/* roulang page: index */
:root {
            --primary: #E8520A;
            --primary-hover: #C54000;
            --primary-light: rgba(232, 82, 10, 0.08);
            --secondary: #1A1A2E;
            --secondary-light: #252540;
            --accent: #00C49A;
            --accent-light: rgba(0, 196, 154, 0.12);
            --bg-light: #F0F2F5;
            --bg-white: #FFFFFF;
            --text-dark: #0B0C10;
            --text-body: #1F2937;
            --text-muted: #6B7280;
            --text-light: #9CA3AF;
            --border: #E5E7EB;
            --border-light: #F3F4F6;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.25);
            --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.12);
            --radius-xs: 6px;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --font-h1: 2.5rem;
            --font-h2: 2rem;
            --font-h3: 1.5rem;
            --font-h4: 1.25rem;
            --font-body: 1rem;
            --font-sm: 0.875rem;
            --font-xs: 0.75rem;
            --font-data: 3rem;
            --line-height-heading: 1.2;
            --line-height-body: 1.8;
            --transition-fast: 0.15s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s ease;
            --nav-height: 64px;
            --container-max: 1200px;
            --container-narrow: 900px;
            --container-wide: 1320px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            font-weight: 400;
            line-height: var(--line-height-body);
            color: var(--text-body);
            background-color: var(--bg-white);
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: var(--line-height-heading);
            color: var(--text-dark);
            font-weight: 700;
        }

        h1 {
            font-size: var(--font-h1);
        }
        h2 {
            font-size: var(--font-h2);
        }
        h3 {
            font-size: var(--font-h3);
        }
        h4 {
            font-size: var(--font-h4);
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        .container--wide {
            max-width: var(--container-wide);
        }
        .container--narrow {
            max-width: var(--container-narrow);
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            font-weight: 600;
            font-size: var(--font-sm);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.01em;
            cursor: pointer;
            border: 2px solid transparent;
            min-width: 100px;
            text-align: center;
        }

        .btn--primary {
            background-color: var(--primary);
            color: #FFFFFF;
            border-color: var(--primary);
        }
        .btn--primary:hover {
            background-color: var(--primary-hover);
            border-color: var(--primary-hover);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(232, 82, 10, 0.35);
        }
        .btn--primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(232, 82, 10, 0.3);
        }

        .btn--outline {
            background-color: transparent;
            color: #FFFFFF;
            border-color: rgba(255, 255, 255, 0.6);
        }
        .btn--outline:hover {
            background-color: rgba(255, 255, 255, 0.08);
            border-color: #FFFFFF;
            color: #FFFFFF;
        }
        .btn--outline-dark {
            background-color: transparent;
            color: var(--text-dark);
            border-color: var(--border);
        }
        .btn--outline-dark:hover {
            background-color: var(--bg-light);
            border-color: var(--text-muted);
            color: var(--primary);
        }

        .btn--lg {
            padding: 16px 32px;
            font-size: 1rem;
            border-radius: var(--radius-md);
        }
        .btn--sm {
            padding: 8px 16px;
            font-size: var(--font-xs);
        }
        .btn--full {
            width: 100%;
        }

        .btn--link {
            background: none;
            border: none;
            padding: 0;
            color: var(--primary);
            font-weight: 600;
            font-size: var(--font-sm);
            min-width: auto;
            gap: 4px;
        }
        .btn--link:hover {
            color: var(--primary-hover);
            text-decoration: underline;
        }

        .tag {
            display: inline-block;
            padding: 4px 12px;
            font-size: var(--font-xs);
            font-weight: 600;
            border-radius: 20px;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .tag--primary {
            background-color: var(--primary-light);
            color: var(--primary);
        }
        .tag--accent {
            background-color: var(--accent-light);
            color: #008F6B;
        }
        .tag--dark {
            background-color: rgba(255, 255, 255, 0.12);
            color: #FFFFFF;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 22px;
            height: 22px;
            padding: 0 8px;
            font-size: 11px;
            font-weight: 700;
            border-radius: 11px;
            background-color: var(--primary);
            color: #FFFFFF;
        }

        .section-label {
            display: inline-block;
            font-size: var(--font-xs);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .section-title {
            font-size: var(--font-h2);
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: var(--font-body);
            color: var(--text-muted);
            max-width: 640px;
            line-height: 1.7;
        }

        .card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .card--dark {
            background: rgba(26, 26, 46, 0.8);
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(10px);
        }

        .card__image {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
        }
        .card__body {
            padding: 20px;
        }
        .card__title {
            font-size: var(--font-h4);
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-dark);
        }
        .card__text {
            font-size: var(--font-sm);
            color: var(--text-muted);
            line-height: 1.6;
        }

        .divider {
            border: none;
            height: 1px;
            background: var(--border);
            margin: 0;
        }
        .divider--dark {
            background: rgba(255, 255, 255, 0.1);
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        @keyframes fadeIn {
            from {
                opacity: 0;
            }
            to {
                opacity: 1;
            }
        }
        @keyframes pulse {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.5;
            }
        }
        @keyframes dataFlow {
            0% {
                background-position: 0% 50%;
            }
            50% {
                background-position: 100% 50%;
            }
            100% {
                background-position: 0% 50%;
            }
        }
        @keyframes glowPulse {
            0%,
            100% {
                box-shadow: 0 0 20px rgba(232, 82, 10, 0.3);
            }
            50% {
                box-shadow: 0 0 40px rgba(232, 82, 10, 0.6);
            }
        }
        @keyframes slideInRight {
            from {
                opacity: 0;
                transform: translateX(30px);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }
        @keyframes countUp {
            from {
                opacity: 0;
                transform: translateY(10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        @keyframes shimmer {
            0% {
                background-position: -200% 0;
            }
            100% {
                background-position: 200% 0;
            }
        }

        .animate-fade-in {
            animation: fadeIn 0.6s ease forwards;
        }
        .animate-fade-up {
            animation: fadeInUp 0.7s ease forwards;
        }

        /* NAVIGATION */
        .nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background-color: var(--secondary);
            display: flex;
            align-items: center;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
            transition: all var(--transition-base);
        }
        .nav__inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-wide);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
        }
        .nav__logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: #FFFFFF;
            letter-spacing: 0.02em;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav__logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-xs);
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            font-weight: 900;
            color: #FFF;
            flex-shrink: 0;
        }
        .nav__links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
            flex-wrap: nowrap;
        }
        .nav__link {
            padding: 8px 14px;
            font-size: var(--font-sm);
            font-weight: 500;
            color: rgba(255, 255, 255, 0.75);
            border-radius: var(--radius-xs);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .nav__link:hover,
        .nav__link--active {
            color: var(--primary);
            background-color: rgba(232, 82, 10, 0.08);
        }
        .nav__link--active {
            font-weight: 600;
        }
        .nav__ctas {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .nav__burger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            z-index: 1001;
            background: none;
            border: none;
        }
        .nav__burger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: #FFFFFF;
            border-radius: 2px;
            transition: all var(--transition-fast);
        }
        .nav__burger--active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .nav__burger--active span:nth-child(2) {
            opacity: 0;
        }
        .nav__burger--active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }
        .nav__mobile {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--secondary);
            z-index: 999;
            flex-direction: column;
            padding: 24px;
            gap: 8px;
            overflow-y: auto;
        }
        .nav__mobile--open {
            display: flex;
        }
        .nav__mobile .nav__link {
            padding: 14px 16px;
            font-size: 1rem;
            border-radius: var(--radius-sm);
            color: rgba(255, 255, 255, 0.85);
        }
        .nav__mobile .nav__ctas {
            flex-direction: column;
            gap: 10px;
            margin-top: 16px;
        }
        .nav__mobile .btn {
            width: 100%;
            justify-content: center;
        }

        /* HERO */
        .hero {
            position: relative;
            min-height: 90vh;
            display: flex;
            align-items: center;
            padding-top: var(--nav-height);
            background: var(--secondary);
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.92) 0%, rgba(26, 26, 46, 0.75) 40%, rgba(26, 26, 46, 0.85) 100%);
            z-index: 1;
        }
        .hero__grid-overlay {
            position: absolute;
            inset: 0;
            z-index: 2;
            background-image:
                linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
            background-size: 40px 40px;
            animation: dataFlow 8s ease infinite;
            pointer-events: none;
        }
        .hero__inner {
            position: relative;
            z-index: 3;
            width: 100%;
            max-width: var(--container-wide);
            margin: 0 auto;
            padding: 60px 24px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .hero__left {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .hero__metrics {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .hero__metric {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 20px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: all var(--transition-base);
        }
        .hero__metric:hover {
            background: rgba(255, 255, 255, 0.07);
            border-color: rgba(255, 255, 255, 0.12);
        }
        .hero__metric-value {
            font-family: 'DIN Alternate', 'DIN', 'Menlo', 'Consolas', monospace;
            font-size: 2.2rem;
            font-weight: 800;
            color: #FFFFFF;
            letter-spacing: -0.02em;
            min-width: 80px;
            text-align: right;
        }
        .hero__metric-trend {
            display: flex;
            align-items: center;
            gap: 4px;
            font-size: var(--font-xs);
            font-weight: 700;
            color: var(--accent);
        }
        .hero__metric-trend--up {
            color: var(--accent);
        }
        .hero__metric-label {
            font-size: var(--font-xs);
            color: var(--text-light);
            margin-top: 2px;
        }
        .hero__metric-info {
            flex: 1;
        }
        .hero__metric-title {
            font-size: var(--font-sm);
            font-weight: 600;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 2px;
        }
        .hero__right {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .hero__card {
            background: rgba(26, 26, 46, 0.7);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 28px;
            backdrop-filter: blur(12px);
            animation: glowPulse 3s ease-in-out infinite;
        }
        .hero__card-match {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 20px;
        }
        .hero__card-team {
            text-align: center;
            flex: 1;
        }
        .hero__card-team-logo {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            margin: 0 auto 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.2rem;
            color: #FFF;
            border: 2px solid rgba(255, 255, 255, 0.2);
        }
        .hero__card-team-name {
            font-size: var(--font-xs);
            color: rgba(255, 255, 255, 0.8);
            font-weight: 600;
        }
        .hero__card-vs {
            font-size: 1.5rem;
            font-weight: 900;
            color: var(--primary);
            flex-shrink: 0;
        }
        .hero__card-countdown {
            text-align: center;
            font-size: var(--font-sm);
            color: var(--accent);
            font-weight: 700;
            margin-bottom: 16px;
            padding: 8px;
            background: rgba(0, 196, 154, 0.08);
            border-radius: var(--radius-xs);
        }
        .hero__card-cta {
            text-align: center;
        }
        .hero__search-wrap {
            margin-top: 8px;
            position: relative;
        }
        .hero__search {
            width: 100%;
            padding: 14px 48px 14px 20px;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.06);
            border: 2px solid rgba(255, 255, 255, 0.15);
            color: #FFFFFF;
            font-size: var(--font-body);
            transition: all var(--transition-base);
        }
        .hero__search::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }
        .hero__search:focus {
            border-color: var(--primary);
            background: rgba(255, 255, 255, 0.1);
            box-shadow: 0 0 0 4px rgba(232, 82, 10, 0.15);
        }
        .hero__search-icon {
            position: absolute;
            right: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: rgba(255, 255, 255, 0.5);
            font-size: 1.1rem;
            pointer-events: none;
        }
        .hero__tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            justify-content: center;
            margin-top: 4px;
        }
        .hero__tag {
            padding: 8px 16px;
            border-radius: 20px;
            font-size: var(--font-xs);
            font-weight: 600;
            background: rgba(255, 255, 255, 0.06);
            color: rgba(255, 255, 255, 0.8);
            border: 1px solid rgba(255, 255, 255, 0.12);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .hero__tag:hover {
            background: rgba(232, 82, 10, 0.2);
            border-color: var(--primary);
            color: #FFFFFF;
        }

        /* SECTIONS */
        .section {
            padding: 80px 0;
        }
        .section--dark {
            background: var(--secondary);
            color: #FFFFFF;
        }
        .section--dark .section-title {
            color: #FFFFFF;
        }
        .section--dark .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }
        .section--gray {
            background: var(--bg-light);
        }
        .section--primary-bg {
            background: var(--primary);
            color: #FFFFFF;
        }
        .section--primary-bg .section-title {
            color: #FFFFFF;
        }
        .section--primary-bg .section-subtitle {
            color: rgba(255, 255, 255, 0.85);
        }
        .section__header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section__header--left {
            text-align: left;
        }

        /* SERVICE GRID */
        .service-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            align-items: start;
        }
        .service-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: all var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .service-card:hover {
            border-color: rgba(232, 82, 10, 0.4);
            background: rgba(255, 255, 255, 0.05);
            box-shadow: 0 0 30px rgba(232, 82, 10, 0.1);
        }
        .service-card__icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background: rgba(232, 82, 10, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .service-card__title {
            font-size: var(--font-h4);
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 8px;
        }
        .service-card__desc {
            font-size: var(--font-sm);
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 16px;
            line-height: 1.6;
        }
        .service-card__list {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
            flex: 1;
        }
        .service-card__list li {
            padding: 4px 0 4px 20px;
            font-size: var(--font-xs);
            color: rgba(255, 255, 255, 0.6);
            position: relative;
        }
        .service-card__list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 10px;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
        }
        .service-card__link {
            color: var(--primary);
            font-weight: 600;
            font-size: var(--font-sm);
            align-self: flex-start;
            transition: all var(--transition-fast);
        }
        .service-card__link:hover {
            color: #FFFFFF;
            text-decoration: underline;
        }

        /* COMPARISON */
        .comparison {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .comparison__col {
            padding: 40px 32px;
        }
        .comparison__col--left {
            background: #F9FAFB;
            border-right: 1px solid var(--border);
        }
        .comparison__col--right {
            background: #FFF;
        }
        .comparison__col-title {
            font-size: var(--font-h3);
            font-weight: 700;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .comparison__col--left .comparison__col-title {
            color: var(--text-muted);
        }
        .comparison__col--right .comparison__col-title {
            color: var(--primary);
        }
        .comparison__item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid var(--border-light);
        }
        .comparison__bar {
            flex: 1;
            height: 8px;
            border-radius: 4px;
            background: var(--border-light);
            overflow: hidden;
        }
        .comparison__bar-fill {
            height: 100%;
            border-radius: 4px;
            transition: width 1s ease;
        }
        .comparison__bar-fill--weak {
            background: #D1D5DB;
            width: 35%;
        }
        .comparison__bar-fill--strong {
            background: var(--primary);
            width: 92%;
        }
        .comparison__label {
            font-size: var(--font-xs);
            font-weight: 600;
            color: var(--text-muted);
            min-width: 60px;
        }
        .comparison__diff {
            font-size: var(--font-xs);
            font-weight: 700;
            color: var(--accent);
            min-width: 40px;
            text-align: right;
        }

        /* BRAND INTRO */
        .brand-intro {
            display: grid;
            grid-template-columns: 280px 1fr;
            gap: 40px;
            align-items: center;
        }
        .brand-intro__logo-area {
            text-align: center;
            padding: 32px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        .brand-intro__logo-icon {
            width: 80px;
            height: 80px;
            border-radius: var(--radius-md);
            background: var(--primary);
            margin: 0 auto 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            font-weight: 900;
            color: #FFF;
        }
        .brand-intro__year {
            font-size: var(--font-sm);
            color: rgba(255, 255, 255, 0.6);
            margin-top: 8px;
        }
        .brand-intro__text {
            font-size: var(--font-body);
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.9;
        }

        /* NEWS */
        .news-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
        }
        .news-item {
            display: grid;
            grid-template-columns: 1fr 140px;
            gap: 20px;
            padding: 24px;
            border-bottom: 1px solid var(--border);
            transition: all var(--transition-base);
            align-items: center;
        }
        .news-item:nth-child(even) {
            grid-template-columns: 140px 1fr;
        }
        .news-item:nth-child(even) .news-item__image {
            order: -1;
        }
        .news-item:hover {
            background: #FAFBFC;
        }
        .news-item__date {
            font-size: var(--font-xs);
            color: var(--primary);
            font-weight: 700;
            margin-bottom: 6px;
            letter-spacing: 0.02em;
        }
        .news-item__title {
            font-size: var(--font-h4);
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text-dark);
        }
        .news-item__excerpt {
            font-size: var(--font-sm);
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 10px;
        }
        .news-item__image {
            width: 140px;
            height: 100px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--border);
            overflow: hidden;
        }
        .faq-item__trigger {
            width: 100%;
            padding: 20px 20px 20px 24px;
            text-align: left;
            font-weight: 700;
            font-size: var(--font-body);
            color: var(--text-dark);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            background: none;
            border: none;
            position: relative;
            transition: all var(--transition-base);
        }
        .faq-item__trigger::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 24px;
            border-radius: 2px;
            background: var(--primary);
            transition: all var(--transition-base);
        }
        .faq-item--open .faq-item__trigger::before {
            background: var(--accent);
            height: 32px;
        }
        .faq-item__trigger:hover {
            color: var(--primary);
        }
        .faq-item__icon {
            font-size: 1.2rem;
            transition: transform var(--transition-base);
            flex-shrink: 0;
            color: var(--text-muted);
        }
        .faq-item--open .faq-item__icon {
            transform: rotate(180deg);
            color: var(--accent);
        }
        .faq-item__content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            background: #FAFBFC;
            padding: 0 24px;
        }
        .faq-item--open .faq-item__content {
            max-height: 400px;
            padding: 16px 24px;
        }
        .faq-item__content p {
            font-size: var(--font-sm);
            color: var(--text-body);
            line-height: 1.8;
        }

        /* CTA FORM */
        .cta-form-section {
            position: relative;
            background: var(--secondary);
            overflow: hidden;
        }
        .cta-form-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(232, 82, 10, 0.15) 0%, transparent 50%, rgba(0, 196, 154, 0.08) 100%);
            pointer-events: none;
            z-index: 1;
        }
        .cta-form-section__inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .cta-form-section__title {
            font-size: var(--font-h2);
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
        }
        .cta-form-section__subtitle {
            color: rgba(255, 255, 255, 0.75);
            font-size: var(--font-body);
            line-height: 1.7;
        }
        .cta-form {
            display: flex;
            flex-direction: column;
            gap: 16px;
            background: rgba(255, 255, 255, 0.04);
            padding: 32px;
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(8px);
        }
        .cta-form__input {
            width: 100%;
            padding: 14px 16px;
            border-radius: var(--radius-xs);
            background: rgba(255, 255, 255, 0.08);
            border: 2px solid rgba(255, 255, 255, 0.15);
            color: #FFFFFF;
            font-size: var(--font-sm);
            transition: all var(--transition-base);
        }
        .cta-form__input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }
        .cta-form__input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(232, 82, 10, 0.2);
            background: rgba(255, 255, 255, 0.12);
        }
        .cta-form__actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* APP DOWNLOAD */
        .app-download {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .app-download__mockup {
            background: var(--secondary);
            border-radius: var(--radius-lg);
            aspect-ratio: 4 / 3;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFF;
            font-weight: 700;
            background-image: url('/assets/images/coverpic/cover-3.webp');
            background-size: cover;
            background-position: center;
            box-shadow: var(--shadow-xl);
        }
        .app-download__info h3 {
            margin-bottom: 12px;
        }
        .app-download__btns {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 20px;
        }

        /* GUARANTEE ICONS */
        .guarantee-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .guarantee-item {
            padding: 24px 16px;
            border-radius: var(--radius-md);
            background: #FFF;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }
        .guarantee-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .guarantee-item__icon {
            font-size: 2.5rem;
            margin-bottom: 12px;
            display: block;
        }
        .guarantee-item__title {
            font-weight: 700;
            font-size: var(--font-sm);
            margin-bottom: 4px;
            color: var(--text-dark);
        }
        .guarantee-item__desc {
            font-size: var(--font-xs);
            color: var(--text-muted);
        }

        /* CHANGELOG */
        .changelog {
            max-width: 700px;
            margin: 0 auto;
        }
        .changelog-item {
            display: flex;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border);
        }
        .changelog-item__version {
            font-weight: 700;
            font-size: var(--font-sm);
            color: var(--primary);
            min-width: 70px;
            flex-shrink: 0;
        }
        .changelog-item__date {
            font-size: var(--font-xs);
            color: var(--text-muted);
            min-width: 80px;
            flex-shrink: 0;
        }
        .changelog-item__desc {
            font-size: var(--font-sm);
            color: var(--text-body);
            line-height: 1.6;
        }

        /* TESTIMONIALS */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .testimonial-card {
            background: #FFF;
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-base);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
        }
        .testimonial-card__stars {
            color: #F59E0B;
            font-size: 1rem;
            margin-bottom: 12px;
            letter-spacing: 2px;
        }
        .testimonial-card__text {
            font-size: var(--font-sm);
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 16px;
            font-style: italic;
        }
        .testimonial-card__author {
            font-weight: 700;
            font-size: var(--font-xs);
            color: var(--text-dark);
        }
        .testimonial-card__role {
            font-size: var(--font-xs);
            color: var(--text-muted);
        }

        /* PARTNERS */
        .partner-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
            align-items: center;
        }
        .partner-logo {
            text-align: center;
            padding: 20px;
            background: #FFF;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            font-weight: 700;
            font-size: var(--font-sm);
            color: var(--text-muted);
            transition: all var(--transition-base);
            min-height: 70px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .partner-logo:hover {
            border-color: var(--primary);
            color: var(--primary);
            box-shadow: var(--shadow-sm);
        }

        /* FOOTER */
        .footer {
            background: var(--secondary);
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 0;
        }
        .footer__grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer__brand-name {
            font-size: 1.3rem;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 12px;
        }
        .footer__brand-desc {
            font-size: var(--font-xs);
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer__col-title {
            font-size: var(--font-sm);
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .footer__link {
            display: block;
            padding: 4px 0;
            font-size: var(--font-xs);
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition-fast);
        }
        .footer__link:hover {
            color: var(--primary);
        }
        .footer__bottom {
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: var(--font-xs);
            color: rgba(255, 255, 255, 0.45);
        }
        .footer__bottom a {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer__bottom a:hover {
            color: var(--primary);
        }
        .footer__bottom-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* RESPONSIVE */
        @media (max-width: 1200px) {
            :root {
                --font-h1: 2.2rem;
                --font-h2: 1.8rem;
                --font-data: 2.5rem;
            }
            .hero__inner {
                gap: 32px;
            }
            .hero__metric-value {
                font-size: 1.8rem;
                min-width: 60px;
            }
            .comparison {
                grid-template-columns: 1fr;
            }
            .comparison__col--left {
                border-right: none;
                border-bottom: 1px solid var(--border);
            }
            .brand-intro {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .brand-intro__logo-area {
                max-width: 300px;
                margin: 0 auto;
            }
            .news-list {
                grid-template-columns: 1fr;
            }
            .news-item,
            .news-item:nth-child(even) {
                grid-template-columns: 1fr 120px;
            }
            .news-item:nth-child(even) .news-item__image {
                order: 0;
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .partner-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .footer__grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 992px) {
            :root {
                --font-h1: 1.9rem;
                --font-h2: 1.6rem;
                --font-h3: 1.3rem;
                --font-data: 2rem;
            }
            .hero__inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero__right {
                order: -1;
            }
            .service-grid {
                grid-template-columns: 1fr;
            }
            .cta-form-section__inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .app-download {
                grid-template-columns: 1fr;
            }
            .guarantee-strip {
                grid-template-columns: repeat(2, 1fr);
            }
            .nav__links {
                display: none;
            }
            .nav__ctas {
                display: none;
            }
            .nav__burger {
                display: flex;
            }
            .nav__mobile .nav__links {
                display: flex;
                flex-direction: column;
            }
            .nav__mobile .nav__ctas {
                display: flex;
                flex-direction: column;
            }
        }

        @media (max-width: 768px) {
            :root {
                --font-h1: 1.7rem;
                --font-h2: 1.4rem;
                --font-h3: 1.2rem;
                --font-h4: 1.1rem;
                --font-data: 1.6rem;
            }
            .section {
                padding: 48px 0;
            }
            .hero {
                min-height: auto;
            }
            .hero__inner {
                padding: 40px 16px;
            }
            .hero__metric {
                padding: 12px 14px;
                gap: 10px;
            }
            .hero__metric-value {
                font-size: 1.5rem;
                min-width: 50px;
            }
            .hero__card {
                padding: 20px;
            }
            .comparison__col {
                padding: 24px 16px;
            }
            .news-item,
            .news-item:nth-child(even) {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .news-item__image {
                width: 100%;
                height: 160px;
                order: -1;
            }
            .news-item:nth-child(even) .news-item__image {
                order: -1;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .partner-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .guarantee-strip {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .footer__grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer__bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-form__actions {
                flex-direction: column;
            }
            .app-download__btns {
                flex-direction: column;
            }
            .container {
                padding: 0 16px;
            }
        }

        @media (max-width: 520px) {
            :root {
                --font-h1: 1.5rem;
                --font-h2: 1.3rem;
                --font-h3: 1.15rem;
                --font-data: 1.4rem;
            }
            .hero__metrics {
                gap: 10px;
            }
            .hero__metric {
                flex-direction: column;
                align-items: flex-start;
                text-align: left;
                gap: 4px;
            }
            .hero__metric-value {
                text-align: left;
                font-size: 1.3rem;
            }
            .hero__tags {
                gap: 6px;
            }
            .hero__tag {
                padding: 6px 12px;
                font-size: 11px;
            }
            .guarantee-strip {
                grid-template-columns: 1fr;
            }
            .partner-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .btn {
                padding: 10px 18px;
                font-size: var(--font-xs);
            }
            .btn--lg {
                padding: 14px 24px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #E8520A;
            --primary-hover: #C54000;
            --primary-light: rgba(232, 82, 10, 0.08);
            --secondary: #1A1A2E;
            --secondary-light: #252540;
            --accent: #00C49A;
            --accent-light: rgba(0, 196, 154, 0.12);
            --bg-light: #F0F2F5;
            --bg-white: #FFFFFF;
            --text-dark: #0B0C10;
            --text-body: #1F2937;
            --text-muted: #6B7280;
            --text-light: #9CA3AF;
            --border: #E5E7EB;
            --border-light: #F3F4F6;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.25);
            --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.12);
            --radius-xs: 6px;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --font-h1: 2.5rem;
            --font-h2: 2rem;
            --font-h3: 1.5rem;
            --font-h4: 1.25rem;
            --font-body: 1rem;
            --font-sm: 0.875rem;
            --font-xs: 0.75rem;
            --font-data: 3rem;
            --line-height-heading: 1.2;
            --line-height-body: 1.8;
            --transition-fast: 0.15s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s ease;
            --nav-height: 64px;
            --container-max: 1200px;
            --container-narrow: 900px;
            --container-wide: 1320px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            font-weight: 400;
            line-height: var(--line-height-body);
            color: var(--text-body);
            background-color: var(--bg-white);
            min-height: 100vh;
            overflow-x: hidden;
            padding-top: var(--nav-height);
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: var(--line-height-heading);
            color: var(--text-dark);
            font-weight: 700;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        .container--wide {
            max-width: var(--container-wide);
        }

        .container--narrow {
            max-width: var(--container-narrow);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            font-weight: 600;
            font-size: var(--font-sm);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.01em;
            cursor: pointer;
            border: 2px solid transparent;
            min-width: 100px;
            text-align: center;
        }

        .btn--primary {
            background-color: var(--primary);
            color: #FFFFFF;
            border-color: var(--primary);
        }

        .btn--primary:hover {
            background-color: var(--primary-hover);
            border-color: var(--primary-hover);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(232, 82, 10, 0.35);
        }

        .btn--primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(232, 82, 10, 0.3);
        }

        .btn--outline {
            background-color: transparent;
            color: #FFFFFF;
            border-color: rgba(255, 255, 255, 0.6);
        }

        .btn--outline:hover {
            background-color: rgba(255, 255, 255, 0.08);
            border-color: #FFFFFF;
            color: #FFFFFF;
        }

        .btn--outline-dark {
            background-color: transparent;
            color: var(--text-dark);
            border-color: var(--border);
        }

        .btn--outline-dark:hover {
            background-color: var(--bg-light);
            border-color: var(--text-muted);
            color: var(--primary);
        }

        .btn--lg {
            padding: 16px 32px;
            font-size: 1rem;
            border-radius: var(--radius-md);
        }

        .btn--sm {
            padding: 8px 16px;
            font-size: var(--font-xs);
            border-radius: var(--radius-xs);
        }

        .btn--accent {
            background-color: var(--accent);
            color: #FFFFFF;
            border-color: var(--accent);
        }

        .btn--accent:hover {
            background-color: #00a882;
            border-color: #00a882;
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(0, 196, 154, 0.35);
        }

        .section {
            padding: 80px 0;
        }

        .section--dark {
            background-color: var(--secondary);
            color: #FFFFFF;
        }

        .section--dark h2,
        .section--dark h3,
        .section--dark h4 {
            color: #FFFFFF;
        }

        .section--light {
            background-color: var(--bg-light);
        }

        .section--primary-tint {
            background-color: var(--primary-light);
        }

        .section__title {
            font-size: var(--font-h2);
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-dark);
        }

        .section__subtitle {
            font-size: var(--font-body);
            color: var(--text-muted);
            margin-bottom: 40px;
            max-width: 700px;
        }

        .section__header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section__header .section__subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        .text-center {
            text-align: center;
        }

        .text-muted {
            color: var(--text-muted);
        }

        .badge {
            display: inline-block;
            padding: 4px 12px;
            font-size: var(--font-xs);
            font-weight: 600;
            border-radius: 20px;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .badge--primary {
            background-color: var(--primary-light);
            color: var(--primary);
        }

        .badge--accent {
            background-color: var(--accent-light);
            color: #008a6a;
        }

        .badge--dark {
            background-color: rgba(255, 255, 255, 0.12);
            color: #FFFFFF;
        }

        /* Navigation */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background-color: var(--secondary);
            height: var(--nav-height);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.2);
        }

        .header__inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--container-wide);
            margin: 0 auto;
            padding: 0 24px;
        }

        .header__logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.3rem;
            color: #FFFFFF;
            letter-spacing: 0.02em;
            flex-shrink: 0;
        }

        .header__logo-icon {
            width: 36px;
            height: 36px;
            background-color: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 800;
            color: #FFFFFF;
            flex-shrink: 0;
        }

        .nav__links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .nav__link {
            padding: 8px 14px;
            font-size: var(--font-sm);
            color: #B0B8C1;
            border-radius: var(--radius-xs);
            transition: all var(--transition-fast);
            white-space: nowrap;
            font-weight: 500;
            letter-spacing: 0.01em;
        }

        .nav__link:hover {
            color: var(--primary);
            background-color: rgba(255, 255, 255, 0.04);
        }

        .nav__link--active {
            color: var(--primary);
            font-weight: 700;
            background-color: rgba(232, 82, 10, 0.12);
        }

        .header__ctas {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .header__ctas .btn {
            padding: 8px 18px;
            font-size: var(--font-xs);
            border-radius: var(--radius-xs);
        }

        .mobile-menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            z-index: 1001;
        }

        .mobile-menu-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: #FFFFFF;
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .mobile-menu-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .mobile-menu-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .mobile-menu-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* Hero */
        .hero {
            background: linear-gradient(160deg, #1A1A2E 0%, #1a1a2e 30%, #252540 60%, #1a1a2e 100%);
            position: relative;
            overflow: hidden;
            padding: 80px 0 90px;
            min-height: 60vh;
            display: flex;
            align-items: center;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(232, 82, 10, 0.04) 1px, transparent 1px),
                linear-gradient(90deg, rgba(232, 82, 10, 0.04) 1px, transparent 1px);
            background-size: 60px 60px;
            animation: gridMove 20s linear infinite;
            pointer-events: none;
        }

        @keyframes gridMove {
            0% {
                background-position: 0 0;
            }
            100% {
                background-position: 60px 60px;
            }
        }

        .hero::after {
            content: '';
            position: absolute;
            top: -50%;
            left: -30%;
            width: 80%;
            height: 200%;
            background: radial-gradient(ellipse at center, rgba(232, 82, 10, 0.08) 0%, transparent 70%);
            pointer-events: none;
            animation: heroGlow 8s ease-in-out infinite alternate;
        }

        @keyframes heroGlow {
            0% {
                opacity: 0.5;
                transform: scale(1);
            }
            100% {
                opacity: 1;
                transform: scale(1.15);
            }
        }

        .hero__content {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 48px;
            flex-wrap: wrap;
        }

        .hero__text {
            flex: 1;
            min-width: 300px;
        }

        .hero__badge {
            display: inline-block;
            padding: 6px 16px;
            background-color: rgba(232, 82, 10, 0.2);
            color: var(--primary);
            font-weight: 600;
            font-size: var(--font-xs);
            border-radius: 20px;
            letter-spacing: 0.03em;
            margin-bottom: 20px;
            border: 1px solid rgba(232, 82, 10, 0.3);
        }

        .hero__title {
            font-size: var(--font-h1);
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .hero__title span {
            color: var(--primary);
        }

        .hero__desc {
            font-size: 1.1rem;
            color: #B0B8C1;
            margin-bottom: 28px;
            max-width: 540px;
            line-height: 1.7;
        }

        .hero__actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .hero__visual {
            flex: 1;
            min-width: 300px;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .hero__image-wrap {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            max-width: 480px;
            width: 100%;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .hero__image-wrap img {
            width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-lg);
        }

        .hero__image-wrap::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(26, 26, 46, 0.5) 100%);
            pointer-events: none;
            border-radius: var(--radius-lg);
        }

        /* Stats Strip */
        .stats-strip {
            background-color: var(--bg-white);
            border-bottom: 1px solid var(--border);
            padding: 32px 0;
        }

        .stats-strip__grid {
            display: flex;
            gap: 32px;
            justify-content: center;
            flex-wrap: wrap;
            text-align: center;
        }

        .stat-item {
            flex: 1;
            min-width: 140px;
            padding: 16px;
            border-radius: var(--radius-md);
            background-color: var(--bg-light);
            transition: all var(--transition-base);
        }

        .stat-item:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .stat-item__number {
            font-size: var(--font-data);
            font-weight: 700;
            color: var(--primary);
            font-family: 'DIN Alternate', 'Courier New', monospace;
            letter-spacing: -0.02em;
            line-height: 1;
        }

        .stat-item__label {
            font-size: var(--font-sm);
            color: var(--text-muted);
            margin-top: 6px;
            font-weight: 500;
        }

        .stat-item__trend {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: var(--font-xs);
            color: var(--accent);
            font-weight: 600;
            margin-top: 4px;
        }

        .stat-item__trend--up::before {
            content: '▲';
            font-size: 10px;
        }

        /* Feature Cards */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .feature-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            border: 1px solid var(--border);
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
            text-align: center;
        }

        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary);
        }

        .feature-card__icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            background-color: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.6rem;
            color: var(--primary);
            transition: all var(--transition-base);
        }

        .feature-card:hover .feature-card__icon {
            background-color: var(--primary);
            color: #FFFFFF;
            transform: scale(1.08);
        }

        .feature-card__title {
            font-size: var(--font-h4);
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-dark);
        }

        .feature-card__desc {
            font-size: var(--font-sm);
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* Topic List */
        .topic-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }

        .topic-card {
            display: flex;
            gap: 16px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 20px;
            border: 1px solid var(--border);
            transition: all var(--transition-base);
            cursor: pointer;
            align-items: flex-start;
        }

        .topic-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
            transform: translateX(4px);
        }

        .topic-card__rank {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--primary);
            font-family: 'DIN Alternate', 'Courier New', monospace;
            flex-shrink: 0;
            width: 40px;
            text-align: center;
            line-height: 1;
        }

        .topic-card__body {
            flex: 1;
            min-width: 0;
        }

        .topic-card__title {
            font-weight: 700;
            font-size: var(--font-body);
            color: var(--text-dark);
            margin-bottom: 4px;
            line-height: 1.4;
        }

        .topic-card__meta {
            font-size: var(--font-xs);
            color: var(--text-muted);
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .topic-card__hot {
            display: inline-block;
            padding: 2px 8px;
            background-color: #FFF0E8;
            color: var(--primary);
            font-size: 11px;
            border-radius: 10px;
            font-weight: 600;
        }

        /* Scenario Section */
        .scenario-row {
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
        }

        .scenario-row--reverse {
            flex-direction: row-reverse;
        }

        .scenario-row__text {
            flex: 1;
            min-width: 280px;
        }

        .scenario-row__text h3 {
            font-size: var(--font-h3);
            margin-bottom: 12px;
            color: var(--text-dark);
        }

        .scenario-row__text p {
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .scenario-row__image {
            flex: 1;
            min-width: 280px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .scenario-row__image img {
            width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-lg);
        }

        .check-list {
            list-style: none;
            padding: 0;
        }

        .check-list li {
            padding: 8px 0 8px 28px;
            position: relative;
            color: var(--text-body);
            font-size: var(--font-sm);
            line-height: 1.6;
        }

        .check-list li::before {
            content: '✓';
            position: absolute;
            left: 0;
            top: 8px;
            color: var(--accent);
            font-weight: 700;
            font-size: 1rem;
        }

        /* Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }

        .step-item {
            position: relative;
            text-align: center;
            padding: 32px 20px 24px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            transition: all var(--transition-base);
            counter-increment: step;
        }

        .step-item:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .step-item__number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background-color: var(--primary);
            color: #FFFFFF;
            font-weight: 700;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-family: 'DIN Alternate', 'Courier New', monospace;
        }

        .step-item__title {
            font-weight: 700;
            font-size: var(--font-body);
            margin-bottom: 8px;
            color: var(--text-dark);
        }

        .step-item__desc {
            font-size: var(--font-sm);
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--bg-white);
            transition: all var(--transition-base);
        }

        .faq-item__question {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 18px 20px;
            cursor: pointer;
            font-weight: 700;
            font-size: var(--font-body);
            color: var(--text-dark);
            transition: all var(--transition-base);
            user-select: none;
            position: relative;
            border-left: 4px solid var(--primary);
        }

        .faq-item__question:hover {
            background-color: var(--bg-light);
        }

        .faq-item__question::after {
            content: '+';
            font-size: 1.4rem;
            font-weight: 300;
            color: var(--text-muted);
            margin-left: auto;
            flex-shrink: 0;
            transition: transform var(--transition-base);
            line-height: 1;
        }

        .faq-item.active .faq-item__question::after {
            content: '−';
            color: var(--primary);
        }

        .faq-item.active .faq-item__question {
            border-left-color: var(--accent);
            background-color: var(--bg-light);
        }

        .faq-item__answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            background-color: #FAFBFC;
        }

        .faq-item.active .faq-item__answer {
            max-height: 400px;
            padding: 16px 20px 20px;
        }

        .faq-item__answer p {
            color: var(--text-muted);
            line-height: 1.8;
            font-size: var(--font-sm);
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(160deg, #1A1A2E 0%, #252540 50%, #1A1A2E 100%);
            position: relative;
            overflow: hidden;
            padding: 80px 0;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(232, 82, 10, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(232, 82, 10, 0.03) 1px, transparent 1px);
            background-size: 50px 50px;
            animation: ctaGrid 15s linear infinite;
            pointer-events: none;
        }

        @keyframes ctaGrid {
            0% {
                background-position: 0 0;
            }
            100% {
                background-position: 50px 50px;
            }
        }

        .cta-section__inner {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 48px;
            flex-wrap: wrap;
        }

        .cta-section__text {
            flex: 1;
            min-width: 280px;
        }

        .cta-section__text h2 {
            color: #FFFFFF;
            font-size: var(--font-h2);
            margin-bottom: 12px;
        }

        .cta-section__text p {
            color: #B0B8C1;
            font-size: var(--font-body);
            line-height: 1.7;
        }

        .cta-section__form {
            flex: 1;
            min-width: 300px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-lg);
            padding: 32px;
            border: 1px solid rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(6px);
        }

        .cta-section__form .form-group {
            margin-bottom: 16px;
        }

        .cta-section__form label {
            display: block;
            color: #B0B8C1;
            font-size: var(--font-sm);
            margin-bottom: 6px;
            font-weight: 500;
        }

        .cta-section__form input {
            width: 100%;
            padding: 12px 16px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-xs);
            color: #FFFFFF;
            font-size: var(--font-sm);
            transition: all var(--transition-fast);
        }

        .cta-section__form input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(232, 82, 10, 0.2);
            background: rgba(255, 255, 255, 0.1);
        }

        .cta-section__form input::placeholder {
            color: rgba(255, 255, 255, 0.35);
        }

        .cta-section__form .btn {
            width: 100%;
            margin-top: 8px;
        }

        /* Community highlight */
        .highlight-banner {
            background: linear-gradient(135deg, #FFF0E8 0%, #FFE0D0 40%, #FFF5F0 100%);
            border-radius: var(--radius-lg);
            padding: 40px;
            display: flex;
            align-items: center;
            gap: 32px;
            flex-wrap: wrap;
            border: 1px solid rgba(232, 82, 10, 0.2);
        }

        .highlight-banner__icon {
            font-size: 4rem;
            flex-shrink: 0;
        }

        .highlight-banner__text h3 {
            font-size: var(--font-h3);
            color: var(--text-dark);
            margin-bottom: 8px;
        }

        .highlight-banner__text p {
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* Footer */
        .footer {
            background-color: var(--secondary);
            color: #B0B8C1;
            padding: 60px 0 24px;
            font-size: var(--font-sm);
        }

        .footer__grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer__brand-name {
            font-size: 1.3rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .footer__brand-desc {
            color: #8B92A0;
            line-height: 1.7;
            font-size: var(--font-sm);
        }

        .footer__col-title {
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 16px;
            font-size: var(--font-body);
            letter-spacing: 0.02em;
        }

        .footer__link {
            display: block;
            color: #8B92A0;
            padding: 5px 0;
            transition: color var(--transition-fast);
            font-size: var(--font-sm);
        }

        .footer__link:hover {
            color: var(--primary);
        }

        .footer__bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            font-size: var(--font-xs);
            color: #8B92A0;
        }

        .footer__bottom-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer__bottom-links a {
            color: #8B92A0;
            transition: color var(--transition-fast);
        }

        .footer__bottom-links a:hover {
            color: var(--primary);
        }

        /* Responsive */
        @media (max-width: 1200px) {
            :root {
                --font-h1: 2.2rem;
                --font-h2: 1.8rem;
                --font-data: 2.5rem;
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .topic-list {
                grid-template-columns: 1fr;
            }
            .footer__grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 992px) {
            :root {
                --font-h1: 1.9rem;
                --font-h2: 1.6rem;
                --font-h3: 1.3rem;
                --font-data: 2rem;
            }
            .nav__links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background-color: var(--secondary);
                flex-direction: column;
                padding: 16px;
                gap: 2px;
                box-shadow: var(--shadow-lg);
                border-top: 1px solid rgba(255, 255, 255, 0.08);
            }
            .nav__links.open {
                display: flex;
            }
            .nav__link {
                padding: 12px 16px;
                width: 100%;
                border-radius: var(--radius-xs);
                font-size: var(--font-body);
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .header__ctas {
                display: none;
            }
            .header__ctas.mobile-visible {
                display: flex;
                flex-direction: column;
                width: 100%;
                padding: 12px 16px;
                gap: 8px;
                position: absolute;
                top: calc(var(--nav-height) + 280px);
                left: 0;
                right: 0;
                background-color: var(--secondary);
                border-top: 1px solid rgba(255, 255, 255, 0.06);
            }
            .header__ctas.mobile-visible .btn {
                width: 100%;
                text-align: center;
            }
            .hero__content {
                flex-direction: column;
                text-align: center;
            }
            .hero__desc {
                margin-left: auto;
                margin-right: auto;
            }
            .hero__actions {
                justify-content: center;
            }
            .hero__visual {
                max-width: 400px;
                margin: 0 auto;
            }
            .features-grid {
                grid-template-columns: 1fr 1fr;
            }
            .scenario-row {
                flex-direction: column;
            }
            .scenario-row--reverse {
                flex-direction: column;
            }
            .cta-section__inner {
                flex-direction: column;
            }
            .footer__grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .section {
                padding: 56px 0;
            }
        }

        @media (max-width: 768px) {
            :root {
                --font-h1: 1.7rem;
                --font-h2: 1.4rem;
                --font-h3: 1.2rem;
                --font-h4: 1.1rem;
                --font-data: 1.6rem;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .topic-list {
                grid-template-columns: 1fr;
            }
            .stats-strip__grid {
                gap: 12px;
            }
            .stat-item {
                min-width: 120px;
                flex: 0 0 calc(50% - 12px);
            }
            .highlight-banner {
                padding: 24px;
                flex-direction: column;
                text-align: center;
            }
            .footer__grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer__bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .section {
                padding: 40px 0;
            }
            .hero {
                padding: 50px 0 60px;
                min-height: auto;
            }
            .cta-section {
                padding: 50px 0;
            }
            .cta-section__form {
                padding: 20px;
            }
        }

        @media (max-width: 520px) {
            :root {
                --font-h1: 1.5rem;
                --font-h2: 1.3rem;
                --font-h3: 1.15rem;
                --font-data: 1.4rem;
            }
            .container {
                padding: 0 16px;
            }
            .hero__actions {
                flex-direction: column;
                width: 100%;
            }
            .hero__actions .btn {
                width: 100%;
            }
            .stat-item {
                flex: 0 0 100%;
                min-width: auto;
            }
            .section__header {
                margin-bottom: 28px;
            }
            .btn--lg {
                padding: 14px 24px;
                font-size: var(--font-sm);
            }
        }

/* roulang page: category3 */
:root {
            --primary: #E8520A;
            --primary-hover: #C54000;
            --primary-light: rgba(232, 82, 10, 0.08);
            --primary-glow: rgba(232, 82, 10, 0.25);
            --secondary: #1A1A2E;
            --secondary-light: #252540;
            --accent: #00C49A;
            --accent-light: rgba(0, 196, 154, 0.12);
            --bg-light: #F0F2F5;
            --bg-white: #FFFFFF;
            --text-dark: #0B0C10;
            --text-body: #1F2937;
            --text-muted: #6B7280;
            --text-light: #9CA3AF;
            --border: #E5E7EB;
            --border-light: #F3F4F6;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.25);
            --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.12);
            --radius-xs: 6px;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --font-h1: 2.5rem;
            --font-h2: 2rem;
            --font-h3: 1.5rem;
            --font-h4: 1.25rem;
            --font-body: 1rem;
            --font-sm: 0.875rem;
            --font-xs: 0.75rem;
            --font-data: 3rem;
            --line-height-heading: 1.2;
            --line-height-body: 1.8;
            --transition-fast: 0.15s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s ease;
            --nav-height: 64px;
            --container-max: 1200px;
            --container-narrow: 900px;
            --container-wide: 1320px;
        }

        @media (max-width: 1200px) {
            :root {
                --font-h1: 2.2rem;
                --font-h2: 1.8rem;
                --font-data: 2.5rem;
            }
        }
        @media (max-width: 992px) {
            :root {
                --font-h1: 1.9rem;
                --font-h2: 1.6rem;
                --font-h3: 1.3rem;
                --font-data: 2rem;
            }
        }
        @media (max-width: 768px) {
            :root {
                --font-h1: 1.7rem;
                --font-h2: 1.4rem;
                --font-h3: 1.2rem;
                --font-h4: 1.1rem;
                --font-data: 1.6rem;
            }
        }
        @media (max-width: 576px) {
            :root {
                --font-h1: 1.5rem;
                --font-h2: 1.3rem;
                --font-h3: 1.15rem;
                --font-data: 1.4rem;
            }
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            font-weight: 400;
            line-height: var(--line-height-body);
            color: var(--text-body);
            background-color: var(--bg-white);
            min-height: 100vh;
            overflow-x: hidden;
            padding-top: var(--nav-height);
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .container--wide {
            max-width: var(--container-wide);
        }
        .container--narrow {
            max-width: var(--container-narrow);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            font-weight: 600;
            font-size: var(--font-sm);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.01em;
            cursor: pointer;
            border: 2px solid transparent;
            min-width: 100px;
            text-align: center;
        }
        .btn--primary {
            background-color: var(--primary);
            color: #FFFFFF;
            border-color: var(--primary);
        }
        .btn--primary:hover {
            background-color: var(--primary-hover);
            border-color: var(--primary-hover);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(232, 82, 10, 0.35);
        }
        .btn--primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(232, 82, 10, 0.3);
        }
        .btn--outline {
            background-color: transparent;
            color: #FFFFFF;
            border-color: rgba(255, 255, 255, 0.6);
        }
        .btn--outline:hover {
            background-color: rgba(255, 255, 255, 0.08);
            border-color: #FFFFFF;
            color: #FFFFFF;
        }
        .btn--outline-dark {
            background-color: transparent;
            color: var(--text-dark);
            border-color: var(--border);
        }
        .btn--outline-dark:hover {
            background-color: var(--bg-light);
            border-color: var(--text-muted);
            color: var(--primary);
        }
        .btn--lg {
            padding: 16px 32px;
            font-size: 1rem;
            border-radius: var(--radius-md);
        }
        .btn--sm {
            padding: 8px 16px;
            font-size: var(--font-xs);
            border-radius: var(--radius-xs);
        }
        .btn--accent {
            background-color: var(--accent);
            color: #FFFFFF;
            border-color: var(--accent);
        }
        .btn--accent:hover {
            background-color: #00a882;
            border-color: #00a882;
            box-shadow: 0 6px 20px rgba(0, 196, 154, 0.35);
            transform: translateY(-1px);
        }

        /* Navigation */
        .nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background-color: var(--secondary);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.3);
        }
        .nav__inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-wide);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
        }
        .nav__logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.35rem;
            color: #FFFFFF;
            letter-spacing: 0.03em;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav__logo-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #fff;
            font-weight: 900;
        }
        .nav__links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .nav__link {
            color: #9CA3AF;
            font-size: var(--font-sm);
            font-weight: 500;
            padding: 8px 14px;
            border-radius: var(--radius-xs);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav__link:hover {
            color: var(--primary);
            background-color: rgba(232, 82, 10, 0.06);
        }
        .nav__link--active {
            color: var(--primary);
            font-weight: 600;
            background-color: rgba(232, 82, 10, 0.1);
        }
        .nav__cta-group {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .nav__hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            z-index: 1001;
            background: transparent;
            border: none;
        }
        .nav__hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: #FFFFFF;
            border-radius: 2px;
            transition: all var(--transition-fast);
        }
        .nav__mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--secondary);
            z-index: 999;
            flex-direction: column;
            padding: 24px;
            gap: 8px;
            overflow-y: auto;
        }
        .nav__mobile-menu--open {
            display: flex;
        }
        .nav__mobile-menu .nav__link {
            font-size: 1.1rem;
            padding: 14px 18px;
            border-radius: var(--radius-sm);
            color: #ccc;
        }
        .nav__mobile-menu .nav__link--active {
            color: var(--primary);
            background-color: rgba(232, 82, 10, 0.12);
        }
        .nav__mobile-menu .btn {
            width: 100%;
            justify-content: center;
            margin-top: 8px;
            font-size: 1rem;
            padding: 14px 20px;
        }

        @media (max-width: 992px) {
            .nav__links {
                display: none;
            }
            .nav__cta-group {
                display: none;
            }
            .nav__hamburger {
                display: flex;
            }
            .nav__mobile-menu .nav__cta-group-mobile {
                display: flex;
                flex-direction: column;
                gap: 10px;
                margin-top: 16px;
            }
        }

        /* Hero */
        .hero {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            background: linear-gradient(160deg, #0d0d1f 0%, #1A1A2E 30%, #1a1a30 60%, #0d0d1f 100%);
            overflow: hidden;
            padding: 60px 0;
        }
        .hero__grid-bg {
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(232, 82, 10, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(232, 82, 10, 0.03) 1px, transparent 1px);
            background-size: 40px 40px;
            animation: gridPulse 4s ease-in-out infinite;
            pointer-events: none;
        }
        @keyframes gridPulse {
            0%,
            100% {
                opacity: 0.5;
            }
            50% {
                opacity: 1;
            }
        }
        .hero__glow {
            position: absolute;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(232, 82, 10, 0.12) 0%, transparent 70%);
            top: -100px;
            right: -100px;
            pointer-events: none;
            animation: glowFloat 6s ease-in-out infinite;
        }
        .hero__glow--left {
            top: auto;
            bottom: -150px;
            left: -120px;
            right: auto;
            background: radial-gradient(circle, rgba(0, 196, 154, 0.08) 0%, transparent 70%);
            animation-delay: 3s;
        }
        @keyframes glowFloat {
            0%,
            100% {
                transform: translate(0, 0);
            }
            33% {
                transform: translate(30px, -20px);
            }
            66% {
                transform: translate(-20px, 15px);
            }
        }
        .hero__inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            width: 100%;
        }
        .hero__content {
            color: #FFFFFF;
        }
        .hero__badge {
            display: inline-block;
            background: rgba(232, 82, 10, 0.2);
            color: var(--primary);
            font-size: var(--font-xs);
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 20px;
            letter-spacing: 0.04em;
            margin-bottom: 20px;
            border: 1px solid rgba(232, 82, 10, 0.3);
        }
        .hero__title {
            font-size: var(--font-h1);
            font-weight: 700;
            line-height: var(--line-height-heading);
            color: #FFFFFF;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .hero__title span {
            color: var(--primary);
        }
        .hero__subtitle {
            font-size: 1.1rem;
            color: #b0b8c1;
            margin-bottom: 28px;
            line-height: 1.7;
            max-width: 480px;
        }
        .hero__stats-row {
            display: flex;
            gap: 28px;
            margin-bottom: 28px;
            flex-wrap: wrap;
        }
        .hero__stat {
            text-align: left;
        }
        .hero__stat-num {
            font-size: 2rem;
            font-weight: 700;
            color: #FFFFFF;
            font-variant-numeric: tabular-nums;
            font-family: 'DIN Alternate', 'Helvetica Neue', system-ui, sans-serif;
            letter-spacing: -0.01em;
        }
        .hero__stat-label {
            font-size: var(--font-xs);
            color: #9CA3AF;
            margin-top: 2px;
        }
        .hero__cta-row {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .hero__panel {
            background: rgba(26, 26, 46, 0.85);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 32px;
            backdrop-filter: blur(10px);
            box-shadow: var(--shadow-lg);
        }
        .hero__panel-title {
            color: #FFFFFF;
            font-size: var(--font-h4);
            font-weight: 600;
            margin-bottom: 8px;
        }
        .hero__panel-subtitle {
            color: #9CA3AF;
            font-size: var(--font-sm);
            margin-bottom: 20px;
        }
        .hero__panel-features {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-bottom: 24px;
        }
        .hero__panel-features li {
            color: #d1d5db;
            font-size: var(--font-sm);
            padding-left: 22px;
            position: relative;
            line-height: 1.5;
        }
        .hero__panel-features li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 6px;
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 50%;
        }
        .hero__panel .btn {
            width: 100%;
            justify-content: center;
        }

        @media (max-width: 992px) {
            .hero__inner {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .hero__panel {
                max-width: 500px;
            }
            .hero {
                min-height: auto;
                padding: 80px 0 50px;
            }
        }
        @media (max-width: 576px) {
            .hero__stats-row {
                gap: 16px;
            }
            .hero__stat-num {
                font-size: 1.5rem;
            }
            .hero__panel {
                padding: 20px;
            }
        }

        /* Section */
        .section {
            padding: 70px 0;
        }
        .section--light {
            background-color: var(--bg-light);
        }
        .section--dark {
            background-color: var(--secondary);
            color: #FFFFFF;
        }
        .section--white {
            background-color: var(--bg-white);
        }
        .section__header {
            text-align: center;
            margin-bottom: 50px;
        }
        .section__title {
            font-size: var(--font-h2);
            font-weight: 700;
            color: var(--text-dark);
            line-height: var(--line-height-heading);
            margin-bottom: 12px;
        }
        .section--dark .section__title {
            color: #FFFFFF;
        }
        .section__subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 650px;
            margin: 0 auto;
            line-height: 1.7;
        }
        .section--dark .section__subtitle {
            color: #b0b8c1;
        }

        /* Metrics strip */
        .metrics-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .metric-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            transition: transform var(--transition-fast), box-shadow var(--transition-fast);
        }
        .metric-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-xl);
        }
        .metric-card__icon {
            font-size: 2rem;
            margin-bottom: 10px;
        }
        .metric-card__value {
            font-size: var(--font-data);
            font-weight: 700;
            color: var(--primary);
            font-family: 'DIN Alternate', 'Helvetica Neue', system-ui, sans-serif;
            letter-spacing: -0.02em;
        }
        .metric-card__unit {
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-muted);
        }
        .metric-card__label {
            font-size: var(--font-sm);
            color: var(--text-muted);
            margin-top: 6px;
        }
        .metric-card__trend {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: var(--font-xs);
            color: var(--accent);
            font-weight: 600;
            margin-top: 4px;
        }
        @media (max-width: 992px) {
            .metrics-strip {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 576px) {
            .metrics-strip {
                grid-template-columns: 1fr;
            }
        }

        /* Feature grid */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            padding: 32px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .feature-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-xl);
            transform: translateY(-2px);
        }
        .feature-card__icon {
            font-size: 2.5rem;
            width: 56px;
            height: 56px;
            background: var(--primary-light);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .feature-card__title {
            font-size: var(--font-h4);
            font-weight: 600;
            color: var(--text-dark);
        }
        .feature-card__desc {
            font-size: var(--font-sm);
            color: var(--text-muted);
            line-height: 1.7;
        }
        .feature-card__list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .feature-card__list li {
            font-size: var(--font-sm);
            color: var(--text-body);
            padding-left: 18px;
            position: relative;
            line-height: 1.6;
        }
        .feature-card__list li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--accent);
            font-weight: 700;
            font-size: 0.8rem;
        }
        .feature-card__link {
            font-size: var(--font-sm);
            font-weight: 600;
            color: var(--primary);
            align-self: flex-start;
            transition: color var(--transition-fast);
        }
        .feature-card__link:hover {
            color: var(--primary-hover);
            text-decoration: underline;
        }
        @media (max-width: 768px) {
            .feature-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Coverage */
        .coverage-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .coverage-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            text-align: center;
            transition: all var(--transition-fast);
        }
        .coverage-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-lg);
        }
        .coverage-card__icon {
            font-size: 2.8rem;
            margin-bottom: 10px;
        }
        .coverage-card__title {
            font-size: var(--font-h4);
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 6px;
        }
        .coverage-card__count {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--primary);
            font-family: 'DIN Alternate', 'Helvetica Neue', system-ui, sans-serif;
        }
        .coverage-card__desc {
            font-size: var(--font-sm);
            color: var(--text-muted);
            margin-top: 4px;
        }
        @media (max-width: 768px) {
            .coverage-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .coverage-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Steps */
        .steps-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            position: relative;
            padding-left: 40px;
        }
        .steps-list::before {
            content: '';
            position: absolute;
            left: 19px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--border);
            border-radius: 1px;
        }
        .step-item {
            position: relative;
            padding: 20px 0 20px 36px;
            border-left: 2px solid transparent;
            transition: all var(--transition-base);
        }
        .step-item::before {
            content: '';
            position: absolute;
            left: -11px;
            top: 24px;
            width: 20px;
            height: 20px;
            background: var(--primary);
            border-radius: 50%;
            z-index: 2;
            border: 3px solid #FFFFFF;
            box-shadow: 0 0 0 4px var(--primary-light);
            transition: all var(--transition-base);
        }
        .step-item:hover::before {
            background: var(--primary-hover);
            box-shadow: 0 0 0 8px rgba(232, 82, 10, 0.15);
            transform: scale(1.2);
        }
        .step-item__num {
            font-size: var(--font-xs);
            font-weight: 700;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 4px;
        }
        .step-item__title {
            font-size: var(--font-h4);
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 4px;
        }
        .step-item__desc {
            font-size: var(--font-sm);
            color: var(--text-muted);
            line-height: 1.7;
        }
        @media (max-width: 576px) {
            .steps-list {
                padding-left: 24px;
            }
            .steps-list::before {
                left: 11px;
            }
            .step-item {
                padding-left: 24px;
            }
            .step-item::before {
                left: -9px;
                width: 16px;
                height: 16px;
            }
        }

        /* Scenario cards */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .scenario-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            padding: 28px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            display: flex;
            gap: 18px;
            align-items: flex-start;
            transition: all var(--transition-fast);
        }
        .scenario-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: var(--primary);
            transform: translateY(-2px);
        }
        .scenario-card__icon {
            font-size: 2.5rem;
            flex-shrink: 0;
            width: 60px;
            height: 60px;
            background: var(--primary-light);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .scenario-card__body h4 {
            font-size: var(--font-h4);
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 6px;
        }
        .scenario-card__body p {
            font-size: var(--font-sm);
            color: var(--text-muted);
            line-height: 1.7;
        }
        @media (max-width: 768px) {
            .scenario-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Tech specs */
        .tech-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .tech-card {
            background: var(--secondary-light);
            border-radius: var(--radius-md);
            padding: 24px;
            text-align: center;
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: all var(--transition-fast);
        }
        .tech-card:hover {
            border-color: rgba(232, 82, 10, 0.4);
            box-shadow: 0 0 30px rgba(232, 82, 10, 0.1);
        }
        .tech-card__icon {
            font-size: 2.2rem;
            margin-bottom: 8px;
        }
        .tech-card__title {
            font-size: var(--font-h4);
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 4px;
        }
        .tech-card__value {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            font-family: 'DIN Alternate', 'Helvetica Neue', system-ui, sans-serif;
        }
        .tech-card__desc {
            font-size: var(--font-xs);
            color: #9CA3AF;
            margin-top: 4px;
        }
        @media (max-width: 992px) {
            .tech-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .tech-grid {
                grid-template-columns: 1fr;
            }
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }
        .faq-item__question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-dark);
            cursor: pointer;
            text-align: left;
            border: none;
            background: transparent;
            gap: 16px;
            line-height: 1.4;
        }
        .faq-item__question:hover {
            background-color: var(--bg-light);
        }
        .faq-item__indicator {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            transition: all var(--transition-base);
        }
        .faq-item--open .faq-item__indicator {
            background: var(--accent-light);
            color: var(--accent);
            transform: rotate(45deg);
        }
        .faq-item__answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 24px;
            font-size: var(--font-sm);
            color: var(--text-muted);
            line-height: 1.8;
            background: var(--bg-light);
        }
        .faq-item--open .faq-item__answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }
        .faq-item__answer-inner {
            padding-top: 8px;
            border-top: 1px solid var(--border-light);
        }

        /* CTA Form */
        .cta-section {
            position: relative;
            background: linear-gradient(160deg, #0d0d1f 0%, #1A1A2E 50%, #151530 100%);
            overflow: hidden;
            padding: 70px 0;
        }
        .cta-section__grid-bg {
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(232, 82, 10, 0.04) 1px, transparent 1px),
                linear-gradient(90deg, rgba(232, 82, 10, 0.04) 1px, transparent 1px);
            background-size: 50px 50px;
            animation: gridPulse 5s ease-in-out infinite;
            pointer-events: none;
        }
        .cta-section__inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .cta-section__content {
            color: #FFFFFF;
        }
        .cta-section__title {
            font-size: var(--font-h2);
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
            line-height: var(--line-height-heading);
        }
        .cta-section__subtitle {
            color: #b0b8c1;
            font-size: 1rem;
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .cta-section__form {
            background: rgba(26, 26, 46, 0.9);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 32px;
            backdrop-filter: blur(10px);
            box-shadow: var(--shadow-lg);
        }
        .cta-form__group {
            margin-bottom: 16px;
        }
        .cta-form__label {
            display: block;
            font-size: var(--font-sm);
            font-weight: 500;
            color: #d1d5db;
            margin-bottom: 6px;
        }
        .cta-form__input {
            width: 100%;
            padding: 12px 16px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-xs);
            color: #FFFFFF;
            font-size: var(--font-sm);
            transition: all var(--transition-fast);
        }
        .cta-form__input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(232, 82, 10, 0.2);
            background: rgba(255, 255, 255, 0.1);
            outline: none;
        }
        .cta-form__input::placeholder {
            color: #6B7280;
        }
        .cta-form__row {
            display: flex;
            gap: 12px;
            margin-top: 20px;
        }
        .cta-form__row .btn {
            flex: 1;
        }
        @media (max-width: 768px) {
            .cta-section__inner {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .cta-form__row {
                flex-direction: column;
            }
        }

        /* Footer */
        .footer {
            background-color: var(--secondary);
            color: #c0c7cf;
            padding: 50px 0 0;
            font-size: var(--font-sm);
        }
        .footer__grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer__brand-name {
            font-size: 1.3rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 10px;
        }
        .footer__brand-desc {
            font-size: var(--font-sm);
            color: #9CA3AF;
            line-height: 1.7;
            max-width: 320px;
        }
        .footer__col-title {
            font-size: 1rem;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 14px;
        }
        .footer__link {
            display: block;
            color: #9CA3AF;
            padding: 5px 0;
            font-size: var(--font-sm);
            transition: color var(--transition-fast);
        }
        .footer__link:hover {
            color: var(--primary);
        }
        .footer__bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            justify-content: space-between;
            padding: 20px 0;
            font-size: var(--font-xs);
            color: #9CA3AF;
        }
        .footer__bottom-links {
            display: flex;
            gap: 16px;
        }
        .footer__bottom-links a {
            color: #9CA3AF;
            transition: color var(--transition-fast);
        }
        .footer__bottom-links a:hover {
            color: var(--primary);
        }
        @media (max-width: 768px) {
            .footer__grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
        }
        @media (max-width: 520px) {
            .footer__grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer__bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #E8520A;
            --primary-hover: #C54000;
            --primary-light: rgba(232, 82, 10, 0.08);
            --secondary: #1A1A2E;
            --secondary-light: #252540;
            --accent: #00C49A;
            --accent-light: rgba(0, 196, 154, 0.12);
            --bg-light: #F0F2F5;
            --bg-white: #FFFFFF;
            --text-dark: #0B0C10;
            --text-body: #1F2937;
            --text-muted: #6B7280;
            --text-light: #9CA3AF;
            --border: #E5E7EB;
            --border-light: #F3F4F6;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.25);
            --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.12);
            --radius-xs: 6px;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --font-h1: 2.5rem;
            --font-h2: 2rem;
            --font-h3: 1.5rem;
            --font-h4: 1.25rem;
            --font-body: 1rem;
            --font-sm: 0.875rem;
            --font-xs: 0.75rem;
            --font-data: 3rem;
            --line-height-heading: 1.2;
            --line-height-body: 1.8;
            --transition-fast: 0.15s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s ease;
            --nav-height: 64px;
            --container-max: 1200px;
            --container-narrow: 900px;
            --container-wide: 1320px;
        }

        @media (max-width: 1200px) {
            :root {
                --font-h1: 2.2rem;
                --font-h2: 1.8rem;
                --font-data: 2.5rem;
            }
        }
        @media (max-width: 992px) {
            :root {
                --font-h1: 1.9rem;
                --font-h2: 1.6rem;
                --font-h3: 1.3rem;
                --font-data: 2rem;
            }
        }
        @media (max-width: 768px) {
            :root {
                --font-h1: 1.7rem;
                --font-h2: 1.4rem;
                --font-h3: 1.2rem;
                --font-h4: 1.1rem;
                --font-data: 1.6rem;
            }
        }
        @media (max-width: 576px) {
            :root {
                --font-h1: 1.5rem;
                --font-h2: 1.3rem;
                --font-h3: 1.15rem;
                --font-data: 1.4rem;
            }
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            font-weight: 400;
            line-height: var(--line-height-body);
            color: var(--text-body);
            background-color: var(--bg-white);
            min-height: 100vh;
            overflow-x: hidden;
            padding-top: var(--nav-height);
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--primary);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }
        button {
            cursor: pointer;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .container--wide {
            max-width: var(--container-wide);
        }
        .container--narrow {
            max-width: var(--container-narrow);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            font-weight: 600;
            font-size: var(--font-sm);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.01em;
            cursor: pointer;
            border: 2px solid transparent;
            min-width: 100px;
            text-align: center;
        }
        .btn--primary {
            background-color: var(--primary);
            color: #FFFFFF;
            border-color: var(--primary);
        }
        .btn--primary:hover {
            background-color: var(--primary-hover);
            border-color: var(--primary-hover);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(232, 82, 10, 0.35);
            color: #FFFFFF;
        }
        .btn--primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(232, 82, 10, 0.3);
        }
        .btn--outline {
            background-color: transparent;
            color: #FFFFFF;
            border-color: rgba(255, 255, 255, 0.6);
        }
        .btn--outline:hover {
            background-color: rgba(255, 255, 255, 0.08);
            border-color: #FFFFFF;
            color: #FFFFFF;
        }
        .btn--outline-dark {
            background-color: transparent;
            color: var(--text-dark);
            border-color: var(--border);
        }
        .btn--outline-dark:hover {
            background-color: var(--bg-light);
            border-color: var(--text-muted);
            color: var(--primary);
        }
        .btn--lg {
            padding: 16px 32px;
            font-size: 1rem;
            border-radius: var(--radius-md);
        }
        .btn--sm {
            padding: 8px 16px;
            font-size: var(--font-xs);
            border-radius: var(--radius-xs);
        }
        .btn--accent {
            background-color: var(--accent);
            color: #FFFFFF;
            border-color: var(--accent);
        }
        .btn--accent:hover {
            background-color: #00a882;
            border-color: #00a882;
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(0, 196, 154, 0.35);
            color: #FFFFFF;
        }

        .section {
            padding: 64px 0;
        }
        .section--dark {
            background-color: var(--secondary);
            color: #FFFFFF;
        }
        .section--light {
            background-color: var(--bg-light);
        }
        .section--primary-tint {
            background-color: var(--primary-light);
        }
        .section__title {
            font-size: var(--font-h2);
            font-weight: 700;
            color: var(--text-dark);
            line-height: var(--line-height-heading);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .section--dark .section__title {
            color: #FFFFFF;
        }
        .section__subtitle {
            font-size: var(--font-body);
            color: var(--text-muted);
            margin-bottom: 40px;
            max-width: 700px;
        }
        .section--dark .section__subtitle {
            color: var(--text-light);
        }
        .section__header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section__header .section__subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        .nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--nav-height);
            background-color: var(--secondary);
            z-index: 1000;
            display: flex;
            align-items: center;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.18);
        }
        .nav__inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-wide);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
        }
        .nav__logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: #FFFFFF;
            letter-spacing: 0.02em;
            flex-shrink: 0;
        }
        .nav__logo-icon {
            width: 36px;
            height: 36px;
            background-color: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.1rem;
            color: #FFFFFF;
            flex-shrink: 0;
        }
        .nav__links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .nav__link {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: var(--font-sm);
            color: #B0B8C1;
            border-radius: var(--radius-xs);
            transition: all var(--transition-fast);
            font-weight: 500;
            white-space: nowrap;
        }
        .nav__link:hover {
            color: var(--primary);
            background-color: rgba(255, 255, 255, 0.04);
        }
        .nav__link--active {
            color: var(--primary);
            background-color: rgba(232, 82, 10, 0.12);
            font-weight: 600;
        }
        .nav__ctas {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .nav__hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            z-index: 1001;
            background: none;
            border: none;
        }
        .nav__hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: #FFFFFF;
            border-radius: 2px;
            transition: all var(--transition-fast);
        }
        .nav__mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background-color: var(--secondary);
            z-index: 999;
            padding: 24px;
            flex-direction: column;
            gap: 8px;
            overflow-y: auto;
        }
        .nav__mobile-menu.is-open {
            display: flex;
        }
        .nav__mobile-menu .nav__link {
            padding: 14px 16px;
            font-size: 1rem;
            border-radius: var(--radius-sm);
            width: 100%;
            justify-content: center;
        }
        .nav__mobile-menu .nav__ctas {
            flex-direction: column;
            width: 100%;
            margin-top: 16px;
            gap: 10px;
        }
        .nav__mobile-menu .btn {
            width: 100%;
            justify-content: center;
        }

        @media (max-width: 992px) {
            .nav__links {
                display: none;
            }
            .nav__ctas {
                display: none;
            }
            .nav__hamburger {
                display: flex;
            }
            .nav__mobile-menu .nav__links {
                display: flex;
                flex-direction: column;
                gap: 4px;
            }
            .nav__mobile-menu .nav__ctas {
                display: flex;
            }
        }

        .hero-category {
            position: relative;
            padding: 80px 0 64px;
            background-color: var(--secondary);
            color: #FFFFFF;
            overflow: hidden;
            min-height: 60vh;
            display: flex;
            align-items: center;
        }
        .hero-category__bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            z-index: 0;
        }
        .hero-category__grid-overlay {
            position: absolute;
            inset: 0;
            background:
                linear-gradient(90deg, rgba(232, 82, 10, 0.04) 1px, transparent 1px),
                linear-gradient(0deg, rgba(232, 82, 10, 0.04) 1px, transparent 1px);
            background-size: 48px 48px;
            z-index: 1;
            animation: gridPulse 8s ease-in-out infinite;
        }
        @keyframes gridPulse {
            0%,
            100% {
                opacity: 0.5;
            }
            50% {
                opacity: 1;
            }
        }
        .hero-category__content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .hero-category__main {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .hero-category__badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: rgba(232, 82, 10, 0.2);
            color: var(--primary);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: var(--font-xs);
            font-weight: 600;
            letter-spacing: 0.04em;
            width: fit-content;
            border: 1px solid rgba(232, 82, 10, 0.3);
        }
        .hero-category__title {
            font-size: var(--font-h1);
            font-weight: 700;
            line-height: var(--line-height-heading);
            letter-spacing: -0.01em;
            color: #FFFFFF;
        }
        .hero-category__title span {
            color: var(--primary);
        }
        .hero-category__desc {
            font-size: 1.05rem;
            color: #B0B8C1;
            line-height: 1.7;
            max-width: 500px;
        }
        .hero-category__actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 8px;
        }
        .hero-category__side {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .hero-category__mini-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            backdrop-filter: blur(4px);
            transition: all var(--transition-base);
        }
        .hero-category__mini-card:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.25);
            transform: translateY(-2px);
        }
        .hero-category__mini-card--accent {
            border-left: 3px solid var(--accent);
        }
        .hero-category__mini-card--primary {
            border-left: 3px solid var(--primary);
        }
        .hero-category__mini-title {
            font-weight: 600;
            font-size: var(--font-sm);
            color: #FFFFFF;
            margin-bottom: 4px;
        }
        .hero-category__mini-val {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--accent);
            font-family: 'DIN Alternate', 'Courier New', monospace;
            letter-spacing: 0.02em;
        }
        .hero-category__mini-val--orange {
            color: var(--primary);
        }
        .hero-category__cta-strip {
            position: relative;
            z-index: 2;
            margin-top: 32px;
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-lg);
            padding: 16px 24px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .hero-category__cta-strip span {
            color: #B0B8C1;
            font-size: var(--font-sm);
        }

        @media (max-width: 768px) {
            .hero-category__content {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .hero-category__side {
                flex-direction: row;
                flex-wrap: wrap;
            }
            .hero-category__mini-card {
                flex: 1 1 140px;
                min-width: 130px;
            }
            .hero-category {
                padding: 48px 0 40px;
                min-height: auto;
            }
            .hero-category__cta-strip {
                flex-direction: column;
                align-items: flex-start;
                text-align: center;
                width: 100%;
            }
            .hero-category__cta-strip .btn {
                width: 100%;
                justify-content: center;
            }
        }

        .card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: var(--border);
        }
        .card--dark {
            background: rgba(26, 26, 46, 0.8);
            border: 1px solid rgba(255, 255, 255, 0.08);
            color: #FFFFFF;
            box-shadow: var(--shadow-lg);
        }
        .card--dark:hover {
            border-color: rgba(255, 255, 255, 0.2);
            box-shadow: var(--shadow-xl);
        }
        .card__icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            flex-shrink: 0;
        }
        .card__icon--orange {
            background-color: var(--primary-light);
            color: var(--primary);
        }
        .card__icon--green {
            background-color: var(--accent-light);
            color: var(--accent);
        }
        .card__icon--dark {
            background-color: rgba(255, 255, 255, 0.08);
            color: #FFFFFF;
        }
        .card__title {
            font-weight: 700;
            font-size: var(--font-h4);
            color: var(--text-dark);
            line-height: var(--line-height-heading);
        }
        .card--dark .card__title {
            color: #FFFFFF;
        }
        .card__desc {
            font-size: var(--font-sm);
            color: var(--text-muted);
            line-height: 1.6;
        }
        .card--dark .card__desc {
            color: #B0B8C1;
        }
        .card__list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 6px;
            padding: 0;
        }
        .card__list li {
            font-size: var(--font-sm);
            color: var(--text-body);
            padding-left: 18px;
            position: relative;
            line-height: 1.5;
        }
        .card--dark .card__list li {
            color: #D1D5DB;
        }
        .card__list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background-color: var(--primary);
        }
        .card__link {
            font-weight: 600;
            font-size: var(--font-sm);
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-top: auto;
            transition: gap var(--transition-fast);
        }
        .card__link:hover {
            gap: 8px;
            color: var(--primary-hover);
        }
        .card__link::after {
            content: '→';
            transition: transform var(--transition-fast);
        }
        .card__link:hover::after {
            transform: translateX(3px);
        }

        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        @media (max-width: 992px) {
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 576px) {
            .grid-2,
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr;
            }
        }

        .stat-block {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 20px 24px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }
        .stat-block:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--border);
        }
        .stat-block__icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background-color: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            flex-shrink: 0;
        }
        .stat-block__info {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .stat-block__val {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-dark);
            font-family: 'DIN Alternate', 'Courier New', monospace;
            letter-spacing: 0.02em;
            line-height: 1;
        }
        .stat-block__label {
            font-size: var(--font-sm);
            color: var(--text-muted);
        }
        .stat-block__trend {
            font-size: var(--font-xs);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 3px;
        }
        .stat-block__trend--up {
            color: var(--accent);
        }
        .stat-block__trend--down {
            color: #EF4444;
        }

        .timeline-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
            list-style: none;
            padding: 0;
        }
        .timeline-list__item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            padding: 20px 24px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            position: relative;
        }
        .timeline-list__item:hover {
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
            border-color: var(--border);
        }
        .timeline-list__item::before {
            content: '';
            position: absolute;
            left: 0;
            top: 20px;
            bottom: 20px;
            width: 3px;
            background-color: var(--primary);
            border-radius: 2px;
            opacity: 0.5;
        }
        .timeline-list__date {
            font-size: var(--font-xs);
            font-weight: 600;
            color: var(--primary);
            white-space: nowrap;
            min-width: 70px;
            padding-top: 2px;
        }
        .timeline-list__body {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .timeline-list__title {
            font-weight: 700;
            font-size: var(--font-h4);
            color: var(--text-dark);
            line-height: var(--line-height-heading);
        }
        .timeline-list__summary {
            font-size: var(--font-sm);
            color: var(--text-muted);
            line-height: 1.6;
        }
        .timeline-list__link {
            font-weight: 600;
            font-size: var(--font-xs);
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            width: fit-content;
        }
        .timeline-list__link:hover {
            color: var(--primary-hover);
            gap: 6px;
        }

        .compare-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .compare-block__col {
            padding: 40px 32px;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .compare-block__col--left {
            background: #FEF2F2;
            border: 1px solid #FECACA;
        }
        .compare-block__col--right {
            background: #ECFDF5;
            border: 1px solid #A7F3D0;
        }
        .compare-block__col-title {
            font-weight: 700;
            font-size: var(--font-h4);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .compare-block__col--left .compare-block__col-title {
            color: #DC2626;
        }
        .compare-block__col--right .compare-block__col-title {
            color: #059669;
        }
        .compare-block__item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid rgba(0, 0, 0, 0.06);
            font-size: var(--font-sm);
        }
        .compare-block__bar {
            flex: 1;
            height: 8px;
            border-radius: 4px;
            background: #E5E7EB;
            overflow: hidden;
        }
        .compare-block__bar-fill {
            height: 100%;
            border-radius: 4px;
            transition: width 1s ease;
        }
        .compare-block__bar-fill--red {
            background: #FCA5A5;
            width: 35%;
        }
        .compare-block__bar-fill--green {
            background: #6EE7B7;
            width: 92%;
        }
        .compare-block__val {
            font-weight: 700;
            font-size: var(--font-sm);
            white-space: nowrap;
            min-width: 50px;
            text-align: right;
        }

        @media (max-width: 768px) {
            .compare-block {
                grid-template-columns: 1fr;
            }
            .compare-block__col {
                padding: 28px 20px;
            }
        }

        .faq {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }
        .faq__item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--bg-white);
            transition: all var(--transition-base);
        }
        .faq__item.is-open {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(232, 82, 10, 0.06);
        }
        .faq__q {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            font-weight: 700;
            font-size: var(--font-body);
            color: var(--text-dark);
            cursor: pointer;
            text-align: left;
            gap: 12px;
            transition: all var(--transition-fast);
            background: none;
            border: none;
            position: relative;
        }
        .faq__q::before {
            content: '';
            position: absolute;
            left: 0;
            top: 14px;
            bottom: 14px;
            width: 3px;
            border-radius: 2px;
            background-color: var(--primary);
            transition: background-color var(--transition-base);
        }
        .faq__item.is-open .faq__q::before {
            background-color: var(--accent);
        }
        .faq__q:hover {
            background-color: var(--bg-light);
        }
        .faq__arrow {
            width: 24px;
            height: 24px;
            flex-shrink: 0;
            transition: transform var(--transition-base);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .faq__item.is-open .faq__arrow {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq__a {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), padding var(--transition-base);
            padding: 0 20px;
            font-size: var(--font-sm);
            color: var(--text-muted);
            line-height: 1.7;
            background-color: var(--bg-light);
        }
        .faq__item.is-open .faq__a {
            max-height: 300px;
            padding: 16px 20px;
        }

        .cta-form-section {
            background-color: var(--secondary);
            position: relative;
            overflow: hidden;
            padding: 64px 0;
        }
        .cta-form-section__bg {
            position: absolute;
            inset: 0;
            background:
                radial-gradient(ellipse at 30% 50%, rgba(232, 82, 10, 0.15) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 50%, rgba(0, 196, 154, 0.1) 0%, transparent 60%);
            z-index: 0;
        }
        .cta-form-section__grid {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .cta-form-section__text {
            display: flex;
            flex-direction: column;
            gap: 16px;
            color: #FFFFFF;
        }
        .cta-form-section__text h2 {
            font-size: var(--font-h2);
            font-weight: 700;
            line-height: var(--line-height-heading);
        }
        .cta-form-section__text p {
            color: #B0B8C1;
            font-size: var(--font-body);
            line-height: 1.7;
        }
        .cta-form {
            display: flex;
            flex-direction: column;
            gap: 14px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            padding: 32px;
            border: 1px solid rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(8px);
        }
        .cta-form__input {
            width: 100%;
            padding: 14px 16px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-xs);
            color: #FFFFFF;
            font-size: var(--font-sm);
            transition: all var(--transition-fast);
        }
        .cta-form__input::placeholder {
            color: #9CA3AF;
        }
        .cta-form__input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(232, 82, 10, 0.2);
            background: rgba(255, 255, 255, 0.12);
        }
        .cta-form__actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        @media (max-width: 768px) {
            .cta-form-section__grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .cta-form {
                padding: 24px 20px;
            }
            .cta-form__actions {
                flex-direction: column;
            }
            .cta-form__actions .btn {
                width: 100%;
            }
        }

        .brand-intro {
            display: grid;
            grid-template-columns: 200px 1fr;
            gap: 36px;
            align-items: center;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 36px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
        }
        .brand-intro__logo-area {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 12px;
            text-align: center;
        }
        .brand-intro__logo-mark {
            width: 80px;
            height: 80px;
            background-color: var(--primary);
            border-radius: var(--radius-lg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 2rem;
            color: #FFFFFF;
        }
        .brand-intro__year {
            font-size: var(--font-sm);
            color: var(--text-muted);
            font-weight: 600;
        }
        .brand-intro__text {
            font-size: var(--font-body);
            color: var(--text-body);
            line-height: 1.8;
        }
        .brand-intro__text strong {
            color: var(--primary);
        }
        @media (max-width: 768px) {
            .brand-intro {
                grid-template-columns: 1fr;
                text-align: center;
                padding: 28px 20px;
            }
            .brand-intro__logo-area {
                flex-direction: row;
                justify-content: center;
                gap: 16px;
            }
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }
        .process-step {
            position: relative;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: center;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            counter-increment: step;
        }
        .process-step:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .process-step::before {
            content: counter(step);
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: var(--primary);
            color: #FFFFFF;
            font-weight: 700;
            font-size: 1.1rem;
            margin: 0 auto 14px;
        }
        .process-step__title {
            font-weight: 700;
            font-size: var(--font-h4);
            color: var(--text-dark);
            margin-bottom: 6px;
        }
        .process-step__desc {
            font-size: var(--font-sm);
            color: var(--text-muted);
            line-height: 1.5;
        }
        @media (max-width: 992px) {
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 576px) {
            .process-steps {
                grid-template-columns: 1fr;
            }
        }

        .footer {
            background-color: var(--secondary);
            color: #FFFFFF;
            padding: 48px 0 24px;
        }
        .footer__grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .footer__brand-name {
            font-weight: 700;
            font-size: 1.3rem;
            margin-bottom: 10px;
            color: #FFFFFF;
        }
        .footer__brand-desc {
            font-size: var(--font-sm);
            color: #B0B8C1;
            line-height: 1.6;
        }
        .footer__col-title {
            font-weight: 700;
            font-size: var(--font-sm);
            color: #FFFFFF;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }
        .footer__link {
            display: block;
            font-size: var(--font-sm);
            color: #B0B8C1;
            padding: 5px 0;
            transition: color var(--transition-fast);
        }
        .footer__link:hover {
            color: var(--primary);
        }
        .footer__bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            justify-content: space-between;
            font-size: var(--font-xs);
            color: #9CA3AF;
        }
        .footer__bottom-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .footer__bottom-links a {
            color: #9CA3AF;
        }
        .footer__bottom-links a:hover {
            color: var(--primary);
        }
        @media (max-width: 768px) {
            .footer__grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 576px) {
            .footer__grid {
                grid-template-columns: 1fr;
            }
            .footer__bottom {
                flex-direction: column;
                align-items: flex-start;
                text-align: center;
            }
        }

        .tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: var(--font-xs);
            font-weight: 600;
            letter-spacing: 0.02em;
        }
        .tag--orange {
            background: var(--primary-light);
            color: var(--primary);
        }
        .tag--green {
            background: var(--accent-light);
            color: #059669;
        }
        .tag--gray {
            background: #F3F4F6;
            color: var(--text-muted);
        }

        .section-divider {
            height: 1px;
            background: var(--border);
            margin: 0;
            border: none;
        }

        .img-cover {
            border-radius: var(--radius-md);
            object-fit: cover;
            width: 100%;
            box-shadow: var(--shadow-sm);
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-in {
            animation: fadeInUp 0.6s ease forwards;
        }

/* roulang page: category5 */
:root {
            --primary: #E8520A;
            --primary-hover: #C54000;
            --primary-light: rgba(232, 82, 10, 0.08);
            --secondary: #1A1A2E;
            --secondary-light: #252540;
            --accent: #00C49A;
            --accent-light: rgba(0, 196, 154, 0.12);
            --bg-light: #F0F2F5;
            --bg-white: #FFFFFF;
            --text-dark: #0B0C10;
            --text-body: #1F2937;
            --text-muted: #6B7280;
            --text-light: #9CA3AF;
            --border: #E5E7EB;
            --border-light: #F3F4F6;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.25);
            --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.12);
            --radius-xs: 6px;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --font-h1: 2.5rem;
            --font-h2: 2rem;
            --font-h3: 1.5rem;
            --font-h4: 1.25rem;
            --font-body: 1rem;
            --font-sm: 0.875rem;
            --font-xs: 0.75rem;
            --font-data: 3rem;
            --line-height-heading: 1.2;
            --line-height-body: 1.8;
            --transition-fast: 0.15s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s ease;
            --nav-height: 64px;
            --container-max: 1200px;
            --container-narrow: 900px;
            --container-wide: 1320px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            font-weight: 400;
            line-height: var(--line-height-body);
            color: var(--text-body);
            background-color: var(--bg-white);
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        .container--wide {
            max-width: var(--container-wide);
        }

        .container--narrow {
            max-width: var(--container-narrow);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            font-weight: 600;
            font-size: var(--font-sm);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.01em;
            cursor: pointer;
            border: 2px solid transparent;
            min-width: 100px;
            text-align: center;
        }

        .btn--primary {
            background-color: var(--primary);
            color: #FFFFFF;
            border-color: var(--primary);
        }

        .btn--primary:hover {
            background-color: var(--primary-hover);
            border-color: var(--primary-hover);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(232, 82, 10, 0.35);
        }

        .btn--primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(232, 82, 10, 0.3);
        }

        .btn--outline {
            background-color: transparent;
            color: #FFFFFF;
            border-color: rgba(255, 255, 255, 0.6);
        }

        .btn--outline:hover {
            background-color: rgba(255, 255, 255, 0.08);
            border-color: #FFFFFF;
            color: #FFFFFF;
        }

        .btn--outline-dark {
            background-color: transparent;
            color: var(--text-dark);
            border-color: var(--border);
        }

        .btn--outline-dark:hover {
            background-color: var(--bg-light);
            border-color: var(--text-muted);
            color: var(--primary);
        }

        .btn--lg {
            padding: 16px 32px;
            font-size: 1rem;
            border-radius: var(--radius-md);
        }

        .btn--sm {
            padding: 8px 16px;
            font-size: var(--font-xs);
        }

        .section {
            padding: 80px 0;
        }

        .section--dark {
            background-color: var(--secondary);
            color: #FFFFFF;
        }

        .section--light {
            background-color: var(--bg-light);
        }

        .section__title {
            font-size: var(--font-h2);
            font-weight: 700;
            line-height: var(--line-height-heading);
            color: var(--text-dark);
            margin-bottom: 16px;
        }

        .section__subtitle {
            font-size: var(--font-body);
            color: var(--text-muted);
            margin-bottom: 48px;
            max-width: 700px;
        }

        .section--dark .section__title {
            color: #FFFFFF;
        }

        .section--dark .section__subtitle {
            color: var(--text-light);
        }

        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background-color: var(--secondary);
            height: var(--nav-height);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
            display: flex;
            align-items: center;
        }

        .header__inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-wide);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
        }

        .header__logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.35rem;
            color: #FFFFFF;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .header__logo-icon {
            width: 36px;
            height: 36px;
            background-color: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #FFFFFF;
            flex-shrink: 0;
        }

        .nav__links {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .nav__link {
            color: rgba(255, 255, 255, 0.75);
            font-size: var(--font-sm);
            font-weight: 500;
            padding: 8px 14px;
            border-radius: var(--radius-xs);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav__link:hover {
            color: var(--primary);
            background-color: rgba(255, 255, 255, 0.05);
        }

        .nav__link--active {
            color: var(--primary);
            background-color: rgba(232, 82, 10, 0.12);
            font-weight: 600;
        }

        .header__cta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .mobile-menu-btn {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            z-index: 1001;
        }

        .mobile-menu-btn span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: #FFFFFF;
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .hero {
            padding: calc(var(--nav-height) + 60px) 0 80px;
            background: linear-gradient(160deg, #1A1A2E 0%, #1F1F38 30%, #252540 60%, #1A1A2E 100%);
            position: relative;
            overflow: hidden;
            min-height: 70vh;
            display: flex;
            align-items: center;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(232, 82, 10, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(232, 82, 10, 0.03) 1px, transparent 1px);
            background-size: 40px 40px;
            animation: gridMove 20s linear infinite;
            pointer-events: none;
        }

        @keyframes gridMove {
            0% {
                background-position: 0 0;
            }
            100% {
                background-position: 40px 40px;
            }
        }

        .hero__inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .hero__content {
            color: #FFFFFF;
        }

        .hero__badge {
            display: inline-block;
            background-color: rgba(232, 82, 10, 0.2);
            color: var(--primary);
            font-size: var(--font-xs);
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 20px;
            letter-spacing: 0.03em;
        }

        .hero__title {
            font-size: var(--font-h1);
            font-weight: 700;
            line-height: var(--line-height-heading);
            margin-bottom: 20px;
            color: #FFFFFF;
        }

        .hero__title span {
            color: var(--primary);
        }

        .hero__desc {
            font-size: var(--font-body);
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.8;
            margin-bottom: 32px;
            max-width: 520px;
        }

        .hero__stats {
            display: flex;
            gap: 24px;
            margin-bottom: 32px;
            flex-wrap: wrap;
        }

        .hero__stat {
            text-align: center;
        }

        .hero__stat-value {
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent);
            line-height: 1;
            font-family: 'DIN Alternate', 'Courier New', monospace;
        }

        .hero__stat-label {
            font-size: var(--font-xs);
            color: rgba(255, 255, 255, 0.6);
            margin-top: 4px;
        }

        .hero__cta-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .hero__visual {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero__card {
            background: rgba(26, 26, 46, 0.85);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 32px;
            backdrop-filter: blur(12px);
            box-shadow: var(--shadow-lg);
            width: 100%;
            max-width: 440px;
        }

        .hero__card-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 20px;
            padding-bottom: 16px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .hero__card-badge {
            background-color: var(--primary);
            color: #FFFFFF;
            font-size: var(--font-xs);
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 4px;
        }

        .hero__card-title {
            font-weight: 600;
            color: #FFFFFF;
            font-size: var(--font-h4);
        }

        .hero__match-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .hero__match-team {
            font-weight: 500;
            color: rgba(255, 255, 255, 0.85);
            font-size: var(--font-sm);
        }

        .hero__match-prob {
            font-weight: 600;
            color: var(--accent);
            font-size: var(--font-sm);
            font-family: 'DIN Alternate', 'Courier New', monospace;
        }

        .cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 32px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: var(--primary);
        }

        .card__icon {
            width: 48px;
            height: 48px;
            background-color: var(--primary-light);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .card__title {
            font-size: var(--font-h4);
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 8px;
            line-height: var(--line-height-heading);
        }

        .card__desc {
            font-size: var(--font-sm);
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 20px;
            flex: 1;
        }

        .card__link {
            font-weight: 600;
            color: var(--primary);
            font-size: var(--font-sm);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition-fast);
        }

        .card__link:hover {
            color: var(--primary-hover);
            gap: 8px;
        }

        .compare-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: stretch;
        }

        .compare-card {
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow-md);
        }

        .compare-card--left {
            background-color: #FEF2F2;
            border: 1px solid #FECACA;
        }

        .compare-card--right {
            background-color: #ECFDF5;
            border: 1px solid #A7F3D0;
        }

        .compare-card__title {
            font-size: var(--font-h3);
            font-weight: 700;
            margin-bottom: 24px;
            line-height: var(--line-height-heading);
        }

        .compare-card--left .compare-card__title {
            color: #991B1B;
        }

        .compare-card--right .compare-card__title {
            color: #065F46;
        }

        .compare-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid rgba(0, 0, 0, 0.06);
            font-size: var(--font-sm);
            color: var(--text-body);
        }

        .compare-bar {
            flex: 1;
            height: 8px;
            background-color: rgba(0, 0, 0, 0.08);
            border-radius: 4px;
            overflow: hidden;
        }

        .compare-bar__fill {
            height: 100%;
            border-radius: 4px;
            transition: width 1s ease;
        }

        .compare-bar__fill--low {
            background-color: #EF4444;
            width: 35%;
        }

        .compare-bar__fill--mid {
            background-color: #F59E0B;
            width: 55%;
        }

        .compare-bar__fill--high {
            background-color: #10B981;
            width: 88%;
        }

        .compare-bar__fill--top {
            background-color: #00C49A;
            width: 92%;
        }

        .timeline {
            position: relative;
            padding-left: 32px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(to bottom, var(--primary), var(--accent));
            border-radius: 1px;
        }

        .timeline__item {
            position: relative;
            margin-bottom: 32px;
            padding-left: 24px;
        }

        .timeline__item::before {
            content: '';
            position: absolute;
            left: -28px;
            top: 6px;
            width: 12px;
            height: 12px;
            background-color: var(--primary);
            border-radius: 50%;
            border: 3px solid #FFFFFF;
            box-shadow: 0 0 0 4px var(--primary-light);
        }

        .timeline__date {
            font-size: var(--font-xs);
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 4px;
        }

        .timeline__title {
            font-size: var(--font-h4);
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 6px;
            line-height: var(--line-height-heading);
        }

        .timeline__desc {
            font-size: var(--font-sm);
            color: var(--text-muted);
            line-height: 1.7;
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--border);
            padding: 0;
        }

        .faq-item__trigger {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 0;
            font-weight: 600;
            font-size: var(--font-body);
            color: var(--text-dark);
            cursor: pointer;
            transition: color var(--transition-fast);
            text-align: left;
            gap: 16px;
            background: none;
            border: none;
        }

        .faq-item__trigger:hover {
            color: var(--primary);
        }

        .faq-item__trigger::after {
            content: '+';
            font-size: 1.5rem;
            font-weight: 300;
            color: var(--text-muted);
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }

        .faq-item--open .faq-item__trigger::after {
            content: '−';
            color: var(--primary);
        }

        .faq-item__content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0;
        }

        .faq-item--open .faq-item__content {
            max-height: 400px;
            padding-bottom: 20px;
        }

        .faq-item__content p {
            font-size: var(--font-sm);
            color: var(--text-muted);
            line-height: 1.8;
        }

        .cta-section {
            background: linear-gradient(135deg, #1A1A2E 0%, #252540 50%, #1A1A2E 100%);
            position: relative;
            overflow: hidden;
            padding: 80px 0;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(232, 82, 10, 0.15) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 50%, rgba(0, 196, 154, 0.1) 0%, transparent 60%);
            pointer-events: none;
        }

        .cta-grid {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .cta-content {
            color: #FFFFFF;
        }

        .cta-content__title {
            font-size: var(--font-h2);
            font-weight: 700;
            line-height: var(--line-height-heading);
            margin-bottom: 16px;
        }

        .cta-content__subtitle {
            color: rgba(255, 255, 255, 0.7);
            font-size: var(--font-body);
            line-height: 1.8;
            margin-bottom: 32px;
        }

        .cta-form {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-lg);
            padding: 40px;
            backdrop-filter: blur(8px);
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-label {
            display: block;
            font-size: var(--font-sm);
            font-weight: 500;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 6px;
        }

        .form-input {
            width: 100%;
            padding: 12px 16px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-xs);
            color: #FFFFFF;
            font-size: var(--font-sm);
            transition: all var(--transition-fast);
        }

        .form-input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(232, 82, 10, 0.2);
            background: rgba(255, 255, 255, 0.12);
        }

        .form-input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }

        .footer {
            background-color: var(--secondary);
            color: rgba(255, 255, 255, 0.75);
            padding: 60px 0 30px;
        }

        .footer__grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer__brand-name {
            font-size: 1.3rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
        }

        .footer__brand-desc {
            font-size: var(--font-sm);
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
        }

        .footer__col-title {
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 16px;
            font-size: var(--font-sm);
        }

        .footer__link {
            display: block;
            font-size: var(--font-sm);
            color: rgba(255, 255, 255, 0.55);
            padding: 4px 0;
            transition: color var(--transition-fast);
        }

        .footer__link:hover {
            color: var(--primary);
        }

        .footer__bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            justify-content: space-between;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: var(--font-xs);
            color: rgba(255, 255, 255, 0.4);
        }

        .footer__bottom-links {
            display: flex;
            gap: 16px;
        }

        .footer__bottom-links a {
            color: rgba(255, 255, 255, 0.4);
        }

        .footer__bottom-links a:hover {
            color: var(--primary);
        }

        @media (max-width: 992px) {
            .hero__inner {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .compare-section {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .cta-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer__grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .nav__links {
                gap: 4px;
            }
            .nav__link {
                padding: 6px 10px;
                font-size: var(--font-xs);
            }
        }

        @media (max-width: 768px) {
            .header__inner {
                flex-wrap: wrap;
            }
            .nav__links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background-color: var(--secondary);
                flex-direction: column;
                padding: 16px;
                gap: 4px;
                box-shadow: var(--shadow-lg);
                border-top: 1px solid rgba(255, 255, 255, 0.1);
            }
            .nav__links--open {
                display: flex;
            }
            .mobile-menu-btn {
                display: flex;
            }
            .header__cta {
                gap: 8px;
            }
            .btn {
                padding: 10px 16px;
                font-size: var(--font-xs);
            }
            .cards-grid {
                grid-template-columns: 1fr;
            }
            .hero__stats {
                gap: 16px;
            }
            .hero__stat-value {
                font-size: 1.5rem;
            }
            .section {
                padding: 48px 0;
            }
            .footer__grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer__bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            :root {
                --font-h1: 1.7rem;
                --font-h2: 1.4rem;
                --font-h3: 1.2rem;
                --font-h4: 1.1rem;
                --font-data: 1.6rem;
            }
        }

        @media (max-width: 576px) {
            .hero {
                padding-top: calc(var(--nav-height) + 30px);
                min-height: auto;
            }
            .hero__card {
                padding: 20px;
            }
            .compare-card {
                padding: 24px;
            }
            .cta-form {
                padding: 24px;
            }
            :root {
                --font-h1: 1.5rem;
                --font-h2: 1.3rem;
                --font-h3: 1.15rem;
                --font-data: 1.4rem;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #E8520A;
            --primary-hover: #C54000;
            --primary-light: rgba(232, 82, 10, 0.08);
            --secondary: #1A1A2E;
            --secondary-light: #252540;
            --accent: #00C49A;
            --accent-light: rgba(0, 196, 154, 0.12);
            --bg-light: #F0F2F5;
            --bg-white: #FFFFFF;
            --text-dark: #0B0C10;
            --text-body: #1F2937;
            --text-muted: #6B7280;
            --text-light: #9CA3AF;
            --border: #E5E7EB;
            --border-light: #F3F4F6;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.25);
            --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.12);
            --radius-xs: 6px;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --font-h1: 2.5rem;
            --font-h2: 2rem;
            --font-h3: 1.5rem;
            --font-h4: 1.25rem;
            --font-body: 1rem;
            --font-sm: 0.875rem;
            --font-xs: 0.75rem;
            --font-data: 3rem;
            --line-height-heading: 1.2;
            --line-height-body: 1.8;
            --transition-fast: 0.15s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s ease;
            --nav-height: 64px;
            --container-max: 1200px;
            --container-narrow: 900px;
            --container-wide: 1320px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            font-weight: 400;
            line-height: var(--line-height-body);
            color: var(--text-body);
            background-color: var(--bg-white);
            min-height: 100vh;
            overflow-x: hidden;
            padding-top: var(--nav-height);
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .container--wide {
            max-width: var(--container-wide);
        }
        .container--narrow {
            max-width: var(--container-narrow);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            font-weight: 600;
            font-size: var(--font-sm);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.01em;
            cursor: pointer;
            border: 2px solid transparent;
            min-width: 100px;
            text-align: center;
        }
        .btn--primary {
            background-color: var(--primary);
            color: #FFFFFF;
            border-color: var(--primary);
        }
        .btn--primary:hover {
            background-color: var(--primary-hover);
            border-color: var(--primary-hover);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(232, 82, 10, 0.35);
        }
        .btn--primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(232, 82, 10, 0.3);
        }
        .btn--outline {
            background-color: transparent;
            color: #FFFFFF;
            border-color: rgba(255, 255, 255, 0.6);
        }
        .btn--outline:hover {
            background-color: rgba(255, 255, 255, 0.08);
            border-color: #FFFFFF;
            color: #FFFFFF;
        }
        .btn--outline-dark {
            background-color: transparent;
            color: var(--text-dark);
            border-color: var(--border);
        }
        .btn--outline-dark:hover {
            background-color: var(--bg-light);
            border-color: var(--text-muted);
            color: var(--primary);
        }
        .btn--lg {
            padding: 16px 32px;
            font-size: 1rem;
            border-radius: var(--radius-md);
        }
        .btn--sm {
            padding: 8px 16px;
            font-size: var(--font-xs);
        }

        /* Navigation */
        .nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--nav-height);
            background-color: var(--secondary);
            z-index: 1000;
            display: flex;
            align-items: center;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
        }
        .nav__inner {
            width: 100%;
            max-width: var(--container-wide);
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .nav__logo {
            font-size: 1.4rem;
            font-weight: 700;
            color: #FFFFFF;
            letter-spacing: 0.03em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition-fast);
        }
        .nav__logo:hover {
            color: var(--primary);
        }
        .nav__logo-icon {
            width: 32px;
            height: 32px;
            background: var(--primary);
            border-radius: var(--radius-xs);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            font-weight: 800;
            flex-shrink: 0;
        }
        .nav__links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .nav__link {
            padding: 8px 14px;
            color: rgba(255, 255, 255, 0.78);
            font-size: var(--font-sm);
            font-weight: 500;
            border-radius: var(--radius-xs);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav__link:hover {
            color: var(--primary);
            background-color: rgba(255, 255, 255, 0.05);
        }
        .nav__link--active {
            color: var(--primary);
            font-weight: 600;
            background-color: rgba(232, 82, 10, 0.12);
        }
        .nav__ctas {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .nav__hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px;
            line-height: 1;
        }
        .nav__mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--secondary);
            z-index: 999;
            flex-direction: column;
            padding: 24px;
            gap: 8px;
            overflow-y: auto;
        }
        .nav__mobile-menu.is-open {
            display: flex;
        }
        .nav__mobile-menu .nav__link {
            padding: 14px 16px;
            font-size: 1rem;
            border-radius: var(--radius-sm);
        }
        .nav__mobile-menu .nav__ctas {
            flex-direction: column;
            gap: 10px;
            margin-top: 16px;
        }
        .nav__mobile-menu .btn {
            width: 100%;
            justify-content: center;
        }

        /* Section common */
        .section {
            padding: 72px 0;
        }
        .section--dark {
            background-color: var(--secondary);
            color: #FFFFFF;
        }
        .section--light {
            background-color: var(--bg-light);
        }
        .section--white {
            background-color: var(--bg-white);
        }
        .section__label {
            display: inline-block;
            font-size: var(--font-xs);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--primary);
            margin-bottom: 12px;
            background: var(--primary-light);
            padding: 6px 14px;
            border-radius: 20px;
        }
        .section__title {
            font-size: var(--font-h2);
            font-weight: 700;
            color: var(--text-dark);
            line-height: var(--line-height-heading);
            margin-bottom: 16px;
        }
        .section--dark .section__title {
            color: #FFFFFF;
        }
        .section__subtitle {
            font-size: var(--font-body);
            color: var(--text-muted);
            max-width: 680px;
            line-height: var(--line-height-body);
        }
        .section--dark .section__subtitle {
            color: rgba(255, 255, 255, 0.7);
        }
        .section__header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section__header .section__subtitle {
            margin: 0 auto;
        }

        /* Hero - Category */
        .hero-cat {
            padding: 80px 0 72px;
            background: linear-gradient(160deg, #1A1A2E 0%, #1f1f38 40%, #1a1a2e 100%);
            position: relative;
            overflow: hidden;
            color: #FFFFFF;
        }
        .hero-cat::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image:
                linear-gradient(rgba(232, 82, 10, 0.04) 1px, transparent 1px),
                linear-gradient(90deg, rgba(232, 82, 10, 0.04) 1px, transparent 1px);
            background-size: 40px 40px;
            pointer-events: none;
            z-index: 0;
        }
        .hero-cat__inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .hero-cat__content {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .hero-cat__badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(232, 82, 10, 0.2);
            border: 1px solid rgba(232, 82, 10, 0.4);
            color: var(--primary);
            font-size: var(--font-xs);
            font-weight: 700;
            padding: 6px 14px;
            border-radius: 20px;
            letter-spacing: 0.04em;
            width: fit-content;
        }
        .hero-cat__title {
            font-size: var(--font-h1);
            font-weight: 700;
            line-height: var(--line-height-heading);
            color: #FFFFFF;
            letter-spacing: -0.01em;
        }
        .hero-cat__title span {
            color: var(--primary);
        }
        .hero-cat__desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.75);
            line-height: var(--line-height-body);
            max-width: 520px;
        }
        .hero-cat__actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 8px;
        }
        .hero-cat__visual {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .hero-cat__visual img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            max-width: 100%;
            border: 2px solid rgba(255, 255, 255, 0.1);
        }
        .hero-cat__stats {
            display: flex;
            gap: 32px;
            margin-top: 8px;
            flex-wrap: wrap;
        }
        .hero-cat__stat {
            text-align: left;
        }
        .hero-cat__stat-num {
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent);
            font-family: 'DIN Alternate', 'Menlo', 'Consolas', monospace;
            line-height: 1;
        }
        .hero-cat__stat-label {
            font-size: var(--font-xs);
            color: rgba(255, 255, 255, 0.6);
            margin-top: 4px;
        }

        /* Service cards */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .service-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 32px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .service-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-xl);
            border-color: var(--primary);
            border-color: rgba(232, 82, 10, 0.2);
        }
        .service-card__icon {
            width: 52px;
            height: 52px;
            background: var(--primary-light);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            flex-shrink: 0;
        }
        .service-card__title {
            font-size: var(--font-h4);
            font-weight: 700;
            color: var(--text-dark);
            line-height: var(--line-height-heading);
        }
        .service-card__desc {
            font-size: var(--font-sm);
            color: var(--text-muted);
            line-height: 1.7;
            flex-grow: 1;
        }
        .service-card__features {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
            margin: 0;
            padding: 0;
        }
        .service-card__features li {
            font-size: var(--font-sm);
            color: var(--text-body);
            padding-left: 20px;
            position: relative;
            line-height: 1.6;
        }
        .service-card__features li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 7px;
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 50%;
        }
        .service-card__link {
            font-size: var(--font-sm);
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
            margin-top: auto;
        }
        .service-card__link:hover {
            gap: 8px;
            color: var(--primary-hover);
        }

        /* Process steps */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
            counter-reset: step;
        }
        .process-step {
            text-align: center;
            position: relative;
            padding: 28px 16px 20px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-base);
        }
        .process-step:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .process-step__num {
            width: 44px;
            height: 44px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            margin: 0 auto 14px;
            font-family: 'DIN Alternate', 'Menlo', 'Consolas', monospace;
        }
        .process-step__title {
            font-weight: 700;
            font-size: var(--font-body);
            color: var(--text-dark);
            margin-bottom: 6px;
        }
        .process-step__desc {
            font-size: var(--font-xs);
            color: var(--text-muted);
            line-height: 1.5;
        }
        .process-step__connector {
            display: none;
        }

        /* Report cards */
        .report-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .report-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .report-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-xl);
        }
        .report-card__image {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-bottom: 3px solid var(--primary);
        }
        .report-card__body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex-grow: 1;
        }
        .report-card__tag {
            font-size: var(--font-xs);
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 4px 10px;
            border-radius: 12px;
            width: fit-content;
        }
        .report-card__title {
            font-size: var(--font-h4);
            font-weight: 700;
            color: var(--text-dark);
            line-height: var(--line-height-heading);
        }
        .report-card__desc {
            font-size: var(--font-sm);
            color: var(--text-muted);
            line-height: 1.6;
            flex-grow: 1;
        }
        .report-card__meta {
            font-size: var(--font-xs);
            color: var(--text-light);
            display: flex;
            gap: 12px;
            align-items: center;
        }
        .report-card__link {
            font-weight: 600;
            font-size: var(--font-sm);
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
        }
        .report-card__link:hover {
            gap: 8px;
            color: var(--primary-hover);
        }

        /* Article list */
        .article-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .article-item {
            display: grid;
            grid-template-columns: 120px 1fr 140px;
            gap: 20px;
            align-items: center;
            padding: 20px 0;
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition-fast);
        }
        .article-item:hover {
            background: rgba(232, 82, 10, 0.02);
            padding-left: 12px;
            margin-left: -12px;
            border-radius: var(--radius-sm);
        }
        .article-item__date {
            font-size: var(--font-sm);
            color: var(--primary);
            font-weight: 600;
            white-space: nowrap;
        }
        .article-item__content {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .article-item__title {
            font-size: var(--font-body);
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.4;
        }
        .article-item__excerpt {
            font-size: var(--font-sm);
            color: var(--text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .article-item__action {
            text-align: right;
            font-size: var(--font-sm);
            font-weight: 600;
            color: var(--primary);
            white-space: nowrap;
            transition: all var(--transition-fast);
        }
        .article-item__action:hover {
            color: var(--primary-hover);
            text-decoration: underline;
        }

        /* Brand intro */
        .brand-intro {
            background: linear-gradient(135deg, rgba(232, 82, 10, 0.04) 0%, rgba(232, 82, 10, 0.01) 100%);
            border-radius: var(--radius-lg);
            padding: 48px;
            border: 1px solid rgba(232, 82, 10, 0.1);
        }
        .brand-intro__grid {
            display: grid;
            grid-template-columns: 200px 1fr;
            gap: 40px;
            align-items: start;
        }
        .brand-intro__logo-area {
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 12px;
        }
        .brand-intro__logo-icon {
            width: 80px;
            height: 80px;
            background: var(--primary);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            color: #fff;
            font-weight: 800;
        }
        .brand-intro__year {
            font-size: var(--font-sm);
            color: var(--text-muted);
            font-weight: 500;
        }
        .brand-intro__text {
            font-size: var(--font-body);
            color: var(--text-body);
            line-height: 1.9;
        }
        .brand-intro__text strong {
            color: var(--primary);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: var(--container-narrow);
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-item.is-open {
            border-color: rgba(232, 82, 10, 0.25);
            box-shadow: var(--shadow-md);
        }
        .faq-item__trigger {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-weight: 700;
            font-size: var(--font-body);
            color: var(--text-dark);
            cursor: pointer;
            text-align: left;
            gap: 12px;
            position: relative;
            transition: color var(--transition-fast);
        }
        .faq-item__trigger::before {
            content: '';
            position: absolute;
            left: 0;
            top: 16px;
            bottom: 16px;
            width: 3px;
            background: var(--primary);
            border-radius: 0 3px 3px 0;
            transition: background var(--transition-base);
        }
        .faq-item.is-open .faq-item__trigger::before {
            background: var(--accent);
        }
        .faq-item__trigger:hover {
            color: var(--primary);
        }
        .faq-item__icon {
            flex-shrink: 0;
            font-size: 1.4rem;
            transition: transform var(--transition-base);
            color: var(--text-muted);
            font-weight: 400;
        }
        .faq-item.is-open .faq-item__icon {
            transform: rotate(45deg);
            color: var(--accent);
        }
        .faq-item__body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            background: var(--bg-light);
            padding: 0 24px;
        }
        .faq-item.is-open .faq-item__body {
            max-height: 400px;
            padding: 16px 24px 20px;
        }
        .faq-item__body p {
            font-size: var(--font-sm);
            color: var(--text-body);
            line-height: 1.7;
            margin: 0;
        }

        /* CTA form */
        .cta-form-section {
            background: var(--secondary);
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-form-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image:
                linear-gradient(rgba(0, 196, 154, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0, 196, 154, 0.03) 1px, transparent 1px);
            background-size: 50px 50px;
            pointer-events: none;
            z-index: 0;
            animation: gridMove 20s linear infinite;
        }
        @keyframes gridMove {
            0% {
                background-position: 0 0;
            }
            100% {
                background-position: 50px 50px;
            }
        }
        .cta-form-section__inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .cta-form-section__title {
            font-size: var(--font-h2);
            font-weight: 700;
            color: #FFFFFF;
            line-height: var(--line-height-heading);
            margin-bottom: 12px;
        }
        .cta-form-section__subtitle {
            color: rgba(255, 255, 255, 0.7);
            font-size: var(--font-body);
            line-height: var(--line-height-body);
        }
        .cta-form {
            display: flex;
            flex-direction: column;
            gap: 14px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-md);
            padding: 28px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .cta-form__input {
            width: 100%;
            padding: 14px 16px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-xs);
            color: #FFFFFF;
            font-size: var(--font-sm);
            transition: all var(--transition-fast);
        }
        .cta-form__input::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }
        .cta-form__input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(232, 82, 10, 0.2);
            background: rgba(255, 255, 255, 0.12);
            outline: none;
        }
        .cta-form__actions {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        /* Footer */
        .footer {
            background-color: var(--secondary);
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 24px;
            font-size: var(--font-sm);
        }
        .footer__grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }
        .footer__brand-name {
            font-size: 1.2rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 10px;
        }
        .footer__brand-desc {
            font-size: var(--font-sm);
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
        }
        .footer__col-title {
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
            font-size: var(--font-body);
        }
        .footer__link {
            display: block;
            padding: 5px 0;
            color: rgba(255, 255, 255, 0.65);
            font-size: var(--font-sm);
            transition: color var(--transition-fast);
        }
        .footer__link:hover {
            color: var(--primary);
        }
        .footer__bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: var(--font-xs);
            color: rgba(255, 255, 255, 0.5);
        }
        .footer__bottom-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .footer__bottom-links a {
            color: rgba(255, 255, 255, 0.5);
            font-size: var(--font-xs);
            transition: color var(--transition-fast);
        }
        .footer__bottom-links a:hover {
            color: var(--primary);
        }

        /* Responsive */
        @media (max-width: 1200px) {
            :root {
                --font-h1: 2.2rem;
                --font-h2: 1.8rem;
                --font-data: 2.5rem;
            }
            .nav__link {
                padding: 8px 10px;
                font-size: var(--font-xs);
            }
            .report-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (max-width: 992px) {
            :root {
                --font-h1: 1.9rem;
                --font-h2: 1.6rem;
                --font-h3: 1.3rem;
                --font-data: 2rem;
            }
            .hero-cat__inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-cat__visual {
                order: -1;
                max-width: 400px;
                margin: 0 auto;
            }
            .service-grid {
                grid-template-columns: 1fr;
            }
            .cta-form-section__inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .brand-intro__grid {
                grid-template-columns: 1fr;
                gap: 24px;
                text-align: center;
            }
            .brand-intro__logo-area {
                margin: 0 auto;
            }
            .article-item {
                grid-template-columns: 90px 1fr;
                gap: 12px;
            }
            .article-item__action {
                grid-column: 1 / -1;
                text-align: left;
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .report-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer__grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --font-h1: 1.7rem;
                --font-h2: 1.4rem;
                --font-h3: 1.2rem;
                --font-h4: 1.1rem;
                --font-data: 1.6rem;
            }
            .section {
                padding: 48px 0;
            }
            .nav__links {
                display: none;
            }
            .nav__ctas {
                display: none;
            }
            .nav__hamburger {
                display: block;
            }
            .nav__inner {
                justify-content: space-between;
            }
            .hero-cat {
                padding: 48px 0 40px;
            }
            .hero-cat__stats {
                gap: 16px;
            }
            .hero-cat__stat-num {
                font-size: 1.5rem;
            }
            .report-grid {
                grid-template-columns: 1fr;
            }
            .process-steps {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .article-item {
                grid-template-columns: 1fr;
                gap: 8px;
                padding: 16px 0;
            }
            .brand-intro {
                padding: 28px 20px;
            }
            .footer__grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer__bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .cta-form {
                padding: 20px;
            }
            .service-card {
                padding: 24px 20px;
            }
        }
        @media (max-width: 520px) {
            :root {
                --font-h1: 1.5rem;
                --font-h2: 1.3rem;
                --font-h3: 1.15rem;
                --font-data: 1.4rem;
            }
            .container {
                padding: 0 16px;
            }
            .hero-cat__actions {
                flex-direction: column;
            }
            .hero-cat__actions .btn {
                width: 100%;
                justify-content: center;
            }
            .cta-form__actions {
                flex-direction: column;
            }
            .cta-form__actions .btn {
                width: 100%;
                justify-content: center;
            }
            .report-card__image {
                height: 140px;
            }
            .faq-item__trigger {
                padding: 16px 18px;
                font-size: var(--font-sm);
            }
        }

/* roulang page: category6 */
:root {
            --primary: #E8520A;
            --primary-hover: #C54000;
            --primary-light: rgba(232, 82, 10, 0.08);
            --primary-glow: rgba(232, 82, 10, 0.25);
            --secondary: #1A1A2E;
            --secondary-light: #252540;
            --secondary-lighter: #2D2D48;
            --accent: #00C49A;
            --accent-light: rgba(0, 196, 154, 0.12);
            --accent-glow: rgba(0, 196, 154, 0.30);
            --bg-light: #F0F2F5;
            --bg-white: #FFFFFF;
            --bg-dark: #0D0D1A;
            --text-dark: #0B0C10;
            --text-body: #1F2937;
            --text-muted: #6B7280;
            --text-light: #9CA3AF;
            --text-white: #E8E8EC;
            --border: #E5E7EB;
            --border-light: #F3F4F6;
            --border-dark: #3A3A55;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.25);
            --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.12);
            --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow-card-hover: 0 8px 28px rgba(0, 0, 0, 0.10);
            --radius-xs: 6px;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --font-h1: 2.5rem;
            --font-h2: 2rem;
            --font-h3: 1.5rem;
            --font-h4: 1.25rem;
            --font-body: 1rem;
            --font-sm: 0.875rem;
            --font-xs: 0.75rem;
            --font-data: 3rem;
            --line-height-heading: 1.2;
            --line-height-body: 1.8;
            --transition-fast: 0.15s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s ease;
            --nav-height: 64px;
            --container-max: 1200px;
            --container-narrow: 900px;
            --container-wide: 1320px;
        }

        @media (max-width: 1200px) {
            :root {
                --font-h1: 2.2rem;
                --font-h2: 1.8rem;
                --font-data: 2.5rem;
            }
        }
        @media (max-width: 992px) {
            :root {
                --font-h1: 1.9rem;
                --font-h2: 1.6rem;
                --font-h3: 1.3rem;
                --font-data: 2rem;
            }
        }
        @media (max-width: 768px) {
            :root {
                --font-h1: 1.7rem;
                --font-h2: 1.4rem;
                --font-h3: 1.2rem;
                --font-h4: 1.1rem;
                --font-data: 1.6rem;
                --nav-height: 56px;
            }
        }
        @media (max-width: 576px) {
            :root {
                --font-h1: 1.5rem;
                --font-h2: 1.3rem;
                --font-h3: 1.15rem;
                --font-data: 1.4rem;
            }
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            font-weight: 400;
            line-height: var(--line-height-body);
            color: var(--text-body);
            background-color: var(--bg-white);
            min-height: 100vh;
            overflow-x: hidden;
            padding-top: var(--nav-height);
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: var(--line-height-heading);
            color: var(--text-dark);
            font-weight: 700;
        }
        h1 {
            font-size: var(--font-h1);
        }
        h2 {
            font-size: var(--font-h2);
        }
        h3 {
            font-size: var(--font-h3);
        }
        h4 {
            font-size: var(--font-h4);
        }
        p {
            margin-bottom: 1rem;
            color: var(--text-body);
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .container--wide {
            max-width: var(--container-wide);
        }
        .container--narrow {
            max-width: var(--container-narrow);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            font-weight: 600;
            font-size: var(--font-sm);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.01em;
            cursor: pointer;
            border: 2px solid transparent;
            min-width: 100px;
            text-align: center;
        }
        .btn--primary {
            background-color: var(--primary);
            color: #FFFFFF;
            border-color: var(--primary);
        }
        .btn--primary:hover {
            background-color: var(--primary-hover);
            border-color: var(--primary-hover);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(232, 82, 10, 0.35);
            color: #FFFFFF;
        }
        .btn--primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(232, 82, 10, 0.3);
        }
        .btn--outline {
            background-color: transparent;
            color: #FFFFFF;
            border-color: rgba(255, 255, 255, 0.6);
        }
        .btn--outline:hover {
            background-color: rgba(255, 255, 255, 0.08);
            border-color: #FFFFFF;
            color: #FFFFFF;
        }
        .btn--outline-dark {
            background-color: transparent;
            color: var(--text-dark);
            border-color: var(--border);
        }
        .btn--outline-dark:hover {
            background-color: var(--bg-light);
            border-color: var(--text-muted);
            color: var(--primary);
        }
        .btn--lg {
            padding: 16px 32px;
            font-size: 1rem;
            border-radius: var(--radius-md);
        }
        .btn--sm {
            padding: 8px 16px;
            font-size: var(--font-xs);
            border-radius: var(--radius-xs);
        }
        .btn--xl {
            padding: 18px 40px;
            font-size: 1.1rem;
            border-radius: var(--radius-lg);
            font-weight: 700;
        }

        /* Header / Navigation */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background-color: var(--secondary);
            display: flex;
            align-items: center;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.25);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }
        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-wide);
            padding: 0 24px;
            gap: 20px;
        }
        .header__logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: #FFFFFF;
            white-space: nowrap;
            flex-shrink: 0;
            letter-spacing: 0.02em;
        }
        .header__logo-icon {
            width: 36px;
            height: 36px;
            background-color: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #fff;
            flex-shrink: 0;
        }
        .nav__links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex-shrink: 1;
            min-width: 0;
        }
        .nav__links::-webkit-scrollbar {
            display: none;
        }
        .nav__link {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: var(--font-sm);
            font-weight: 500;
            color: var(--text-light);
            border-radius: var(--radius-xs);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .nav__link:hover {
            color: #FFFFFF;
            background-color: rgba(255, 255, 255, 0.06);
        }
        .nav__link--active {
            color: var(--primary);
            background-color: rgba(232, 82, 10, 0.12);
            font-weight: 600;
            pointer-events: none;
        }
        .nav__ctas {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .nav__hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            z-index: 1001;
            background: transparent;
            border: none;
        }
        .nav__hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: #FFFFFF;
            border-radius: 2px;
            transition: all var(--transition-fast);
        }
        .nav__mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background-color: var(--secondary);
            z-index: 999;
            padding: 20px 24px;
            flex-direction: column;
            gap: 4px;
            overflow-y: auto;
        }
        .nav__mobile-menu--open {
            display: flex;
        }
        .nav__mobile-menu .nav__link {
            padding: 14px 16px;
            font-size: 1rem;
            border-radius: var(--radius-sm);
            display: block;
            width: 100%;
        }
        .nav__mobile-menu .nav__ctas {
            flex-direction: column;
            gap: 10px;
            margin-top: 16px;
            width: 100%;
        }
        .nav__mobile-menu .btn {
            width: 100%;
            justify-content: center;
        }

        @media (max-width: 992px) {
            .nav__links {
                display: none;
            }
            .nav__ctas {
                display: none;
            }
            .nav__hamburger {
                display: flex;
            }
            .nav__mobile-menu .nav__ctas {
                display: flex;
            }
        }

        /* Section spacing */
        .section {
            padding: 72px 0;
        }
        .section--dark {
            background-color: var(--secondary);
            color: var(--text-white);
        }
        .section--dark h2,
        .section--dark h3,
        .section--dark h4 {
            color: #FFFFFF;
        }
        .section--dark p {
            color: var(--text-light);
        }
        .section--light {
            background-color: var(--bg-light);
        }
        .section--white {
            background-color: var(--bg-white);
        }
        .section--accent-bg {
            background-color: var(--primary-light);
        }
        .section__header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section__header h2 {
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .section__header p {
            color: var(--text-muted);
            font-size: var(--font-body);
            max-width: 700px;
            margin: 0 auto;
        }
        .section--dark .section__header p {
            color: var(--text-light);
        }
        .section__badge {
            display: inline-block;
            padding: 6px 16px;
            background-color: var(--primary-light);
            color: var(--primary);
            font-weight: 600;
            font-size: var(--font-xs);
            border-radius: 20px;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
            text-transform: uppercase;
        }
        .section--dark .section__badge {
            background-color: rgba(232, 82, 10, 0.2);
            color: var(--primary);
        }

        /* Hero Section */
        .hero {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(13, 13, 26, 0.82) 0%, rgba(26, 26, 46, 0.88) 60%, rgba(26, 26, 46, 0.95) 100%);
            z-index: 1;
        }
        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(232, 82, 10, 0.04) 1px, transparent 1px),
                linear-gradient(90deg, rgba(232, 82, 10, 0.04) 1px, transparent 1px);
            background-size: 40px 40px;
            z-index: 2;
            animation: gridPulse 4s ease-in-out infinite;
        }
        @keyframes gridPulse {
            0%,
            100% {
                opacity: 0.5;
            }
            50% {
                opacity: 1;
            }
        }
        .hero__content {
            position: relative;
            z-index: 3;
            width: 100%;
            padding: 40px 0;
        }
        .hero__sub-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 28px;
            justify-content: center;
        }
        .hero__sub-nav-link {
            display: inline-flex;
            align-items: center;
            padding: 10px 20px;
            font-size: var(--font-sm);
            font-weight: 500;
            color: rgba(255, 255, 255, 0.8);
            background-color: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 24px;
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(4px);
            letter-spacing: 0.01em;
        }
        .hero__sub-nav-link:hover {
            background-color: rgba(232, 82, 10, 0.3);
            border-color: var(--primary);
            color: #FFFFFF;
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(232, 82, 10, 0.3);
        }
        .hero__sub-nav-link--active {
            background-color: var(--primary);
            border-color: var(--primary);
            color: #FFFFFF;
            font-weight: 600;
            pointer-events: none;
            box-shadow: 0 4px 20px rgba(232, 82, 10, 0.4);
        }
        .hero__title {
            font-size: var(--font-h1);
            font-weight: 700;
            color: #FFFFFF;
            text-align: center;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
            line-height: 1.15;
        }
        .hero__title span {
            color: var(--primary);
        }
        .hero__subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.75);
            text-align: center;
            max-width: 650px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }
        .hero__cta-row {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .hero__stats-row {
            display: flex;
            gap: 32px;
            justify-content: center;
            flex-wrap: wrap;
            margin-top: 40px;
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
        }
        .hero__stat {
            text-align: center;
        }
        .hero__stat-num {
            font-size: var(--font-data);
            font-weight: 700;
            color: #FFFFFF;
            font-family: 'DIN Alternate', 'Arial Narrow', 'Helvetica Neue', sans-serif;
            letter-spacing: -0.02em;
            line-height: 1;
        }
        .hero__stat-num .accent-arrow {
            color: var(--accent);
            font-size: 0.6em;
            margin-left: 4px;
            display: inline-block;
            animation: arrowUp 2s ease-in-out infinite;
        }
        @keyframes arrowUp {
            0%,
            100% {
                transform: translateY(0);
                opacity: 1;
            }
            50% {
                transform: translateY(-6px);
                opacity: 0.7;
            }
        }
        .hero__stat-label {
            font-size: var(--font-xs);
            color: var(--text-light);
            margin-top: 6px;
            letter-spacing: 0.02em;
        }

        @media (max-width: 768px) {
            .hero {
                min-height: 70vh;
            }
            .hero__sub-nav {
                gap: 6px;
            }
            .hero__sub-nav-link {
                padding: 8px 14px;
                font-size: var(--font-xs);
                border-radius: 20px;
            }
            .hero__stats-row {
                gap: 20px;
                margin-top: 28px;
                padding-top: 24px;
            }
            .hero__stat-num {
                font-size: 2rem;
            }
            .hero__subtitle {
                font-size: 0.95rem;
            }
        }

        /* Data Cards */
        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .data-card {
            background-color: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            border: 1px solid var(--border-light);
            position: relative;
            overflow: hidden;
        }
        .data-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: var(--primary);
        }
        .data-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: opacity var(--transition-base);
        }
        .data-card:hover::before {
            opacity: 1;
        }
        .data-card__icon {
            font-size: 2rem;
            margin-bottom: 12px;
            display: block;
        }
        .data-card__num {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text-dark);
            font-family: 'DIN Alternate', 'Arial Narrow', sans-serif;
            letter-spacing: -0.02em;
            line-height: 1;
            margin-bottom: 6px;
        }
        .data-card__num .trend-up {
            color: var(--accent);
            font-size: 0.5em;
        }
        .data-card__label {
            font-size: var(--font-sm);
            color: var(--text-muted);
            font-weight: 500;
        }
        @media (max-width: 992px) {
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }
        @media (max-width: 576px) {
            .data-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .data-card {
                padding: 20px 16px;
            }
            .data-card__num {
                font-size: 1.6rem;
            }
        }

        /* Live Type Cards */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .live-card {
            background-color: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
        }
        .live-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: var(--primary);
        }
        .live-card__img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }
        .live-card__img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .live-card:hover .live-card__img img {
            transform: scale(1.05);
        }
        .live-card__badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background-color: var(--primary);
            color: #FFFFFF;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: var(--font-xs);
            font-weight: 600;
            z-index: 2;
            letter-spacing: 0.02em;
        }
        .live-card__body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .live-card__body h4 {
            margin-bottom: 8px;
            font-size: 1.05rem;
            color: var(--text-dark);
        }
        .live-card__body p {
            font-size: var(--font-sm);
            color: var(--text-muted);
            margin-bottom: 16px;
            flex: 1;
            line-height: 1.6;
        }
        .live-card__link {
            font-weight: 600;
            font-size: var(--font-sm);
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
        }
        .live-card__link:hover {
            gap: 8px;
            color: var(--primary-hover);
        }
        @media (max-width: 992px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }
        @media (max-width: 576px) {
            .card-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .live-card__img {
                height: 160px;
            }
        }

        /* Steps / Process */
        .steps-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }
        .step-item {
            position: relative;
            padding: 32px 24px;
            background-color: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            text-align: center;
            transition: all var(--transition-base);
        }
        .step-item:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .step-item::before {
            counter-increment: step;
            content: counter(step);
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background-color: var(--primary);
            color: #FFFFFF;
            border-radius: 50%;
            font-weight: 700;
            font-size: 1.2rem;
            margin: 0 auto 16px;
            letter-spacing: 0;
        }
        .step-item h4 {
            margin-bottom: 8px;
            font-size: 1.05rem;
        }
        .step-item p {
            font-size: var(--font-sm);
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.6;
        }
        @media (max-width: 992px) {
            .steps-list {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }
        @media (max-width: 576px) {
            .steps-list {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .step-item {
                padding: 24px 18px;
            }
        }

        /* Timeline / News */
        .timeline-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            position: relative;
        }
        .timeline-list::before {
            content: '';
            position: absolute;
            left: 120px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(180deg, var(--primary), var(--accent), var(--primary));
            opacity: 0.3;
            border-radius: 1px;
        }
        .timeline-item {
            display: flex;
            gap: 32px;
            align-items: flex-start;
            padding: 24px 0;
            position: relative;
            transition: all var(--transition-base);
        }
        .timeline-item:hover {
            background-color: rgba(232, 82, 10, 0.02);
            margin: 0 -16px;
            padding: 24px 16px;
            border-radius: var(--radius-md);
        }
        .timeline-item__date {
            width: 120px;
            flex-shrink: 0;
            font-weight: 700;
            font-size: var(--font-sm);
            color: var(--primary);
            text-align: right;
            padding-right: 20px;
            position: relative;
            letter-spacing: 0.02em;
        }
        .timeline-item__date::after {
            content: '';
            position: absolute;
            right: -6px;
            top: 6px;
            width: 10px;
            height: 10px;
            background-color: var(--primary);
            border-radius: 50%;
            border: 2px solid #FFFFFF;
            box-shadow: 0 0 0 3px rgba(232, 82, 10, 0.2);
            z-index: 2;
        }
        .timeline-item__content {
            flex: 1;
            min-width: 0;
        }
        .timeline-item__content h4 {
            margin-bottom: 6px;
            font-size: 1.05rem;
            color: var(--text-dark);
        }
        .timeline-item__content p {
            font-size: var(--font-sm);
            color: var(--text-muted);
            margin-bottom: 10px;
            line-height: 1.6;
        }
        .timeline-item__tag {
            display: inline-block;
            padding: 4px 10px;
            background-color: var(--primary-light);
            color: var(--primary);
            font-size: var(--font-xs);
            border-radius: 12px;
            font-weight: 500;
            margin-right: 8px;
        }
        @media (max-width: 768px) {
            .timeline-list::before {
                left: 20px;
            }
            .timeline-item {
                flex-direction: column;
                gap: 8px;
                padding-left: 40px;
            }
            .timeline-item__date {
                width: auto;
                text-align: left;
                padding-right: 0;
            }
            .timeline-item__date::after {
                left: -34px;
                right: auto;
                top: 4px;
            }
            .timeline-item:hover {
                margin: 0 -8px;
                padding: 24px 8px 24px 40px;
            }
        }

        /* Compare Section */
        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .compare-col {
            padding: 40px 36px;
        }
        .compare-col--bad {
            background-color: #FFF5F5;
            border-right: 1px solid #FECACA;
        }
        .compare-col--good {
            background-color: #F0FDF9;
        }
        .compare-col h3 {
            margin-bottom: 20px;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .compare-col--bad h3 {
            color: #DC2626;
        }
        .compare-col--good h3 {
            color: #059669;
        }
        .compare-col ul {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .compare-col li {
            font-size: var(--font-sm);
            color: var(--text-body);
            padding-left: 24px;
            position: relative;
            line-height: 1.6;
        }
        .compare-col--bad li::before {
            content: '✕';
            position: absolute;
            left: 0;
            color: #DC2626;
            font-weight: 700;
        }
        .compare-col--good li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: #059669;
            font-weight: 700;
        }
        @media (max-width: 768px) {
            .compare-grid {
                grid-template-columns: 1fr;
            }
            .compare-col--bad {
                border-right: none;
                border-bottom: 1px solid #FECACA;
            }
            .compare-col {
                padding: 28px 24px;
            }
        }

        /* Brand Intro */
        .brand-intro {
            display: flex;
            gap: 48px;
            align-items: center;
            background: linear-gradient(135deg, var(--primary-light) 0%, rgba(0, 196, 154, 0.06) 100%);
            border-radius: var(--radius-xl);
            padding: 48px;
            border: 1px solid var(--border-light);
        }
        .brand-intro__logo-area {
            flex-shrink: 0;
            text-align: center;
        }
        .brand-intro__logo-circle {
            width: 100px;
            height: 100px;
            background-color: var(--primary);
            border-radius: var(--radius-lg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2.5rem;
            color: #fff;
            margin: 0 auto 16px;
            box-shadow: 0 8px 28px rgba(232, 82, 10, 0.3);
        }
        .brand-intro__year {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--primary);
            letter-spacing: 0.03em;
        }
        .brand-intro__text {
            flex: 1;
            min-width: 0;
        }
        .brand-intro__text h3 {
            margin-bottom: 16px;
            font-size: 1.4rem;
        }
        .brand-intro__text p {
            font-size: var(--font-body);
            color: var(--text-body);
            line-height: 1.9;
            margin-bottom: 0;
        }
        @media (max-width: 768px) {
            .brand-intro {
                flex-direction: column;
                gap: 28px;
                padding: 32px 24px;
                text-align: center;
            }
            .brand-intro__logo-circle {
                width: 80px;
                height: 80px;
                font-size: 2rem;
            }
            .brand-intro__text h3 {
                font-size: 1.2rem;
            }
        }

        /* FAQ Accordion */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            background-color: var(--bg-white);
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
        }
        .faq-item--open {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
        }
        .faq-item__header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            cursor: pointer;
            gap: 16px;
            transition: background-color var(--transition-fast);
            user-select: none;
            position: relative;
            padding-left: 36px;
        }
        .faq-item__header::before {
            content: '';
            position: absolute;
            left: 16px;
            top: 22px;
            width: 4px;
            height: 20px;
            background-color: var(--primary);
            border-radius: 2px;
            transition: all var(--transition-base);
        }
        .faq-item--open .faq-item__header::before {
            background-color: var(--accent);
            height: 28px;
            top: 18px;
        }
        .faq-item__header:hover {
            background-color: var(--bg-light);
        }
        .faq-item__header h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-dark);
            margin: 0;
            flex: 1;
        }
        .faq-item__icon {
            font-size: 1.2rem;
            color: var(--text-muted);
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }
        .faq-item--open .faq-item__icon {
            transform: rotate(45deg);
            color: var(--primary);
        }
        .faq-item__body {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), padding var(--transition-base);
            padding: 0 20px;
        }
        .faq-item--open .faq-item__body {
            max-height: 300px;
            padding: 0 20px 20px 36px;
        }
        .faq-item__body p {
            font-size: var(--font-sm);
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
        }

        /* CTA Section */
        .cta-section {
            position: relative;
            background-color: var(--secondary);
            overflow: hidden;
            padding: 64px 0;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(232, 82, 10, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(232, 82, 10, 0.03) 1px, transparent 1px);
            background-size: 50px 50px;
            animation: gridDrift 8s linear infinite;
        }
        @keyframes gridDrift {
            0% {
                background-position: 0 0;
            }
            100% {
                background-position: 50px 50px;
            }
        }
        .cta-section__inner {
            position: relative;
            z-index: 2;
            display: flex;
            gap: 48px;
            align-items: center;
            flex-wrap: wrap;
        }
        .cta-section__text {
            flex: 1;
            min-width: 280px;
        }
        .cta-section__text h2 {
            color: #FFFFFF;
            margin-bottom: 12px;
            font-size: 1.8rem;
        }
        .cta-section__text p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 1rem;
            margin-bottom: 0;
        }
        .cta-section__form {
            flex: 1;
            min-width: 300px;
            background-color: rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-lg);
            padding: 32px;
            border: 1px solid var(--border-dark);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }
        .cta-section__form .form-group {
            margin-bottom: 16px;
        }
        .cta-section__form input {
            width: 100%;
            padding: 14px 16px;
            background-color: rgba(255, 255, 255, 0.08);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-sm);
            color: #FFFFFF;
            font-size: var(--font-sm);
            transition: all var(--transition-fast);
        }
        .cta-section__form input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }
        .cta-section__form input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(232, 82, 10, 0.2);
            background-color: rgba(255, 255, 255, 0.12);
            outline: none;
        }
        .cta-section__form .btn {
            width: 100%;
            margin-top: 8px;
        }
        .cta-section__form .btn--outline {
            margin-top: 10px;
            width: 100%;
        }
        @media (max-width: 768px) {
            .cta-section__inner {
                flex-direction: column;
                gap: 32px;
            }
            .cta-section__text {
                text-align: center;
            }
            .cta-section__text h2 {
                font-size: 1.5rem;
            }
            .cta-section__form {
                padding: 24px 20px;
            }
        }

        /* Scenarios */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .scenario-card {
            background-color: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            transition: all var(--transition-base);
            text-align: center;
        }
        .scenario-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: var(--primary);
        }
        .scenario-card__icon {
            font-size: 2.5rem;
            margin-bottom: 14px;
            display: block;
        }
        .scenario-card h4 {
            margin-bottom: 8px;
            font-size: 1.05rem;
            color: var(--text-dark);
        }
        .scenario-card p {
            font-size: var(--font-sm);
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.6;
        }
        @media (max-width: 992px) {
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }
        @media (max-width: 576px) {
            .scenario-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .scenario-card {
                padding: 22px 18px;
            }
        }

        /* Footer */
        .footer {
            background-color: var(--secondary);
            color: var(--text-white);
            padding: 56px 0 0;
        }
        .footer__grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer__brand-name {
            font-size: 1.3rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .footer__brand-desc {
            font-size: var(--font-sm);
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .footer__col-title {
            font-weight: 600;
            font-size: var(--font-sm);
            color: #FFFFFF;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
            text-transform: uppercase;
        }
        .footer__link {
            display: block;
            font-size: var(--font-sm);
            color: var(--text-light);
            padding: 6px 0;
            transition: color var(--transition-fast);
        }
        .footer__link:hover {
            color: var(--primary);
        }
        .footer__bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: space-between;
            padding: 20px 0;
            border-top: 1px solid var(--border-dark);
            font-size: var(--font-xs);
            color: var(--text-light);
        }
        .footer__bottom-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .footer__bottom-links a {
            color: var(--text-light);
            font-size: var(--font-xs);
        }
        .footer__bottom-links a:hover {
            color: var(--primary);
        }
        @media (max-width: 992px) {
            .footer__grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 576px) {
            .footer__grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer__bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }

        /* Utility */
        .text-center {
            text-align: center;
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }