/* roulang page: index */
:root {
            --color-ink: #16181E;
            --color-carbon: #0E1015;
            --color-deep: #1D2027;
            --color-coral: #FF5A47;
            --color-coral-dark: #E84A3A;
            --color-coral-deep: #C93A2D;
            --color-amber: #D4A850;
            --color-amber-light: #E8C77B;
            --color-cream: #F5EFE6;
            --color-warm-gray: #E8E2D9;
            --color-muted: #9A948C;
            --color-muted-light: #B8B2A8;
            --color-border: rgba(255, 255, 255, 0.08);
            --color-border-light: rgba(255, 255, 255, 0.14);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 8px 32px rgba(0, 0, 0, 0.5);
            --font-sans: 'Inter', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --transition-base: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: var(--font-sans);
            background-color: var(--color-ink);
            color: var(--color-cream);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
        }

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

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

        button,
        input,
        select,
        textarea {
            font-family: var(--font-sans);
            font-size: 16px;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }

        button {
            cursor: pointer;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-wide {
            max-width: 1360px;
            margin: 0 auto;
            padding: 0 32px;
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(14, 16, 21, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--color-border);
            transition: box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 16px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--color-coral), var(--color-coral-dark));
            border-radius: var(--radius-md);
            font-weight: 800;
            font-size: 18px;
            color: #fff;
            letter-spacing: -1px;
        }

        .nav-logo-text {
            font-weight: 800;
            font-size: 20px;
            letter-spacing: -0.5px;
            color: var(--color-cream);
            white-space: nowrap;
        }

        .nav-logo-text span {
            color: var(--color-coral);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
        }

        .nav-links a {
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--color-muted-light);
            position: relative;
            white-space: nowrap;
            transition: color var(--transition-base), background var(--transition-base);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            width: 0;
            height: 2px;
            background: var(--color-coral);
            border-radius: 2px;
            transition: all var(--transition-base);
            transform: translateX(-50%);
        }

        .nav-links a:hover {
            color: var(--color-cream);
            background: rgba(255, 90, 71, 0.08);
        }

        .nav-links a:hover::after {
            width: 24px;
        }

        .nav-links a.active {
            color: var(--color-coral);
            background: rgba(255, 90, 71, 0.1);
        }

        .nav-links a.active::after {
            width: 24px;
        }

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

        .nav-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 12px;
            background: rgba(212, 168, 80, 0.12);
            border: 1px solid rgba(212, 168, 80, 0.3);
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-amber-light);
            white-space: nowrap;
        }

        .nav-badge-dot {
            width: 7px;
            height: 7px;
            background: #4ADE80;
            border-radius: 50%;
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(0.7);
            }
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 22px;
            background: var(--color-coral);
            color: #fff;
            font-weight: 700;
            font-size: 14px;
            border-radius: var(--radius-md);
            transition: background var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
            border: none;
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--color-coral-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(255, 90, 71, 0.4);
        }

        .btn-primary:active {
            background: var(--color-coral-deep);
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(255, 90, 71, 0.3);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--color-amber);
            outline-offset: 2px;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 22px;
            background: transparent;
            color: var(--color-cream);
            font-weight: 600;
            font-size: 14px;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            transition: border-color var(--transition-base), background var(--transition-base), transform var(--transition-base);
            white-space: nowrap;
        }

        .btn-secondary:hover {
            border-color: rgba(255, 255, 255, 0.35);
            background: rgba(255, 255, 255, 0.04);
            transform: translateY(-1px);
        }

        .btn-secondary:active {
            transform: translateY(0);
        }

        .btn-secondary:focus-visible {
            outline: 2px solid var(--color-amber);
            outline-offset: 2px;
        }

        .btn-gold {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 22px;
            background: var(--color-amber);
            color: #1A1A1A;
            font-weight: 700;
            font-size: 14px;
            border-radius: var(--radius-md);
            transition: background var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
            border: none;
            white-space: nowrap;
        }

        .btn-gold:hover {
            background: var(--color-amber-light);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(212, 168, 80, 0.35);
        }

        .btn-gold:focus-visible {
            outline: 2px solid var(--color-coral);
            outline-offset: 2px;
        }

        .btn-large {
            padding: 14px 30px;
            font-size: 16px;
            border-radius: var(--radius-md);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            padding: 6px;
            cursor: pointer;
            z-index: 110;
        }

        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-cream);
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .nav-toggle.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* Mobile menu */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 68px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(14, 16, 21, 0.98);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            z-index: 90;
            padding: 20px 24px;
            flex-direction: column;
            align-items: center;
            overflow-y: auto;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu a {
            display: block;
            padding: 16px 20px;
            font-size: 18px;
            font-weight: 600;
            color: var(--color-cream);
            border-bottom: 1px solid var(--color-border);
            width: 100%;
            text-align: center;
            transition: color var(--transition-base), background var(--transition-base);
        }

        .mobile-menu a:hover {
            color: var(--color-coral);
            background: rgba(255, 90, 71, 0.05);
        }

        .mobile-menu a.active {
            color: var(--color-coral);
        }

        .mobile-menu .mobile-cta {
            margin-top: 20px;
            width: 100%;
            display: flex;
            gap: 12px;
            flex-direction: column;
        }

        /* Hero */
        .hero {
            position: relative;
            min-height: 560px;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-color: var(--color-carbon);
            overflow: hidden;
            padding: 80px 0;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(14, 16, 21, 0.88) 0%, rgba(14, 16, 21, 0.7) 45%, rgba(29, 32, 39, 0.65) 100%);
            z-index: 1;
        }

        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background-image: radial-gradient(circle at 20% 50%, rgba(212, 168, 80, 0.06) 0%, transparent 50%),
                radial-gradient(circle at 80% 40%, rgba(255, 90, 71, 0.05) 0%, transparent 50%);
            z-index: 1;
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 48px;
            align-items: center;
        }

        .hero-text h1 {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -1.5px;
            color: var(--color-cream);
            margin-bottom: 20px;
        }

        .hero-text h1 .highlight {
            color: var(--color-coral);
            position: relative;
        }

        .hero-text h1 .highlight-gold {
            color: var(--color-amber-light);
        }

        .hero-text p {
            font-size: 17px;
            line-height: 1.8;
            color: var(--color-muted-light);
            max-width: 560px;
            margin-bottom: 30px;
        }

        .hero-cta-row {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            align-items: center;
            margin-bottom: 24px;
        }

        .hero-trust-row {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            align-items: center;
        }

        .trust-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 14px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--color-border);
            border-radius: 20px;
            font-size: 12px;
            color: var(--color-muted-light);
            font-weight: 500;
        }

        .trust-tag i {
            color: var(--color-amber);
            font-size: 11px;
        }

        .hero-card {
            background: rgba(29, 32, 39, 0.7);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-xl);
            padding: 28px;
            box-shadow: var(--shadow-card);
        }

        .hero-card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-cream);
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero-card-title i {
            color: var(--color-amber);
        }

        .hero-card-sub {
            font-size: 13px;
            color: var(--color-muted-light);
            margin-bottom: 18px;
        }

        .group-progress {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }

        .group-avatars {
            display: flex;
            align-items: center;
        }

        .group-avatars .avatar {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: linear-gradient(135deg, #3A3F4A, #2A2E38);
            border: 2px solid var(--color-deep);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            font-weight: 700;
            color: #fff;
            margin-right: -8px;
        }

        .group-avatars .avatar:first-child {
            background: linear-gradient(135deg, var(--color-coral), #b83a2a);
        }
        .group-avatars .avatar:nth-child(2) {
            background: linear-gradient(135deg, var(--color-amber), #a07d2e);
        }
        .group-avatars .avatar:nth-child(3) {
            background: linear-gradient(135deg, #4A5A6A, #3A4A5A);
        }

        .group-count {
            font-size: 13px;
            color: var(--color-muted-light);
            font-weight: 500;
        }

        .group-count strong {
            color: var(--color-coral);
            font-size: 16px;
        }

        .progress-bar {
            width: 100%;
            height: 8px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 10px;
            overflow: hidden;
            margin-bottom: 18px;
        }

        .progress-bar-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--color-coral), var(--color-amber));
            border-radius: 10px;
            width: 78%;
            transition: width 0.6s ease;
        }

        .group-btn-row {
            display: flex;
            gap: 10px;
        }

        .group-btn-row .btn-primary,
        .group-btn-row .btn-gold {
            flex: 1;
            justify-content: center;
        }

        .hero-card-note {
            font-size: 12px;
            color: var(--color-muted);
            margin-top: 14px;
            text-align: center;
        }

        /* Section common */
        .section {
            padding: 80px 0;
        }

        .section-header {
            margin-bottom: 48px;
        }

        .section-header h2 {
            font-size: 32px;
            font-weight: 800;
            letter-spacing: -1px;
            color: var(--color-cream);
            margin-bottom: 14px;
            line-height: 1.3;
        }

        .section-header p {
            font-size: 16px;
            color: var(--color-muted-light);
            max-width: 680px;
            line-height: 1.75;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            background: rgba(255, 90, 71, 0.1);
            border: 1px solid rgba(255, 90, 71, 0.25);
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-coral);
            margin-bottom: 14px;
            letter-spacing: 1px;
            text-transform: uppercase;
        }

        /* Metrics dashboard */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }

        .metric-card {
            background: var(--color-deep);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 22px 18px;
            text-align: center;
            transition: border-color var(--transition-base), transform var(--transition-base);
        }

        .metric-card:hover {
            border-color: rgba(255, 90, 71, 0.4);
            transform: translateY(-2px);
        }

        .metric-value {
            font-size: 36px;
            font-weight: 800;
            letter-spacing: -1.5px;
            color: var(--color-cream);
            margin-bottom: 4px;
            font-variant-numeric: tabular-nums;
        }

        .metric-value .unit {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-muted-light);
            letter-spacing: 0;
        }

        .metric-label {
            font-size: 13px;
            color: var(--color-muted-light);
            font-weight: 500;
        }

        .metric-trend {
            display: inline-flex;
            align-items: center;
            gap: 3px;
            font-size: 11px;
            font-weight: 600;
            color: #4ADE80;
            margin-top: 6px;
        }

        .metric-trend.down {
            color: var(--color-coral);
        }

        .metric-accent {
            border-color: rgba(212, 168, 80, 0.35);
        }

        .metric-accent .metric-value {
            color: var(--color-amber-light);
        }

        /* News section */
        .news-layout {
            display: grid;
            grid-template-columns: 1.4fr 0.6fr;
            gap: 32px;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .news-item {
            display: flex;
            gap: 18px;
            align-items: flex-start;
            padding: 18px 0;
            border-bottom: 1px solid var(--color-border);
            transition: padding-left var(--transition-base);
            cursor: pointer;
        }

        .news-item:hover {
            padding-left: 8px;
        }

        .news-item:first-child {
            padding-top: 0;
        }

        .news-date {
            flex-shrink: 0;
            width: 52px;
            height: 52px;
            background: var(--color-deep);
            border-radius: var(--radius-md);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            color: var(--color-muted-light);
            font-weight: 500;
            border: 1px solid var(--color-border);
        }

        .news-date .day {
            font-size: 18px;
            font-weight: 800;
            color: var(--color-cream);
            line-height: 1.1;
        }

        .news-date .month {
            font-size: 10px;
        }

        .news-body h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-cream);
            margin-bottom: 6px;
            line-height: 1.45;
        }

        .news-body p {
            font-size: 14px;
            color: var(--color-muted-light);
            line-height: 1.7;
        }

        .news-body .news-meta {
            display: flex;
            gap: 16px;
            font-size: 12px;
            color: var(--color-muted);
            margin-top: 6px;
        }

        .news-body .news-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .news-sidebar-card {
            background: var(--color-deep);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 22px;
        }

        .news-sidebar-card h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-cream);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .news-sidebar-card h4 i {
            color: var(--color-amber);
        }

        .hot-list-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px solid var(--color-border);
            font-size: 13px;
            color: var(--color-muted-light);
            cursor: pointer;
            transition: color var(--transition-base);
        }

        .hot-list-item:hover {
            color: var(--color-cream);
        }

        .hot-list-item:last-child {
            border-bottom: none;
        }

        .hot-rank {
            font-size: 14px;
            font-weight: 800;
            color: var(--color-coral);
            width: 22px;
            flex-shrink: 0;
            text-align: center;
        }

        .hot-rank.top {
            color: var(--color-amber);
        }

        /* Service Matrix */
        .service-matrix {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 20px;
        }

        .service-matrix-left {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .service-card {
            background: var(--color-deep);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 24px;
            transition: border-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }

        .service-card:hover {
            border-color: rgba(255, 90, 71, 0.35);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }

        .service-card .card-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: rgba(255, 90, 71, 0.1);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            color: var(--color-coral);
            font-size: 18px;
        }

        .service-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-cream);
            margin-bottom: 10px;
        }

        .service-card p {
            font-size: 14px;
            color: var(--color-muted-light);
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .service-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-amber-light);
            transition: color var(--transition-base);
        }

        .service-card .card-link:hover {
            color: var(--color-amber);
        }

        .service-card-large {
            grid-column: 1 / -1;
            display: flex;
            gap: 20px;
            align-items: center;
            background: var(--color-deep);
            border: 1px solid rgba(212, 168, 80, 0.3);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: border-color var(--transition-base), transform var(--transition-base);
            cursor: pointer;
        }

        .service-card-large:hover {
            border-color: rgba(212, 168, 80, 0.55);
            transform: translateY(-2px);
        }

        .service-card-large .card-icon {
            background: rgba(212, 168, 80, 0.12);
            color: var(--color-amber);
            flex-shrink: 0;
        }

        .service-matrix-right {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .service-highlight {
            flex: 1;
            background: linear-gradient(135deg, rgba(255, 90, 71, 0.08), rgba(212, 168, 80, 0.04));
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 28px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .service-highlight h3 {
            font-size: 20px;
            font-weight: 800;
            color: var(--color-cream);
            margin-bottom: 10px;
        }

        .service-highlight p {
            font-size: 14px;
            color: var(--color-muted-light);
            line-height: 1.7;
        }

        .service-highlight .highlight-img {
            width: 100%;
            height: 140px;
            border-radius: var(--radius-md);
            overflow: hidden;
            margin: 16px 0;
        }

        .service-highlight .highlight-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* Comparison section */
        .comparison-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .comparison-card {
            background: var(--color-deep);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 30px;
        }

        .comparison-card.featured {
            border-color: rgba(255, 90, 71, 0.4);
            background: linear-gradient(135deg, rgba(255, 90, 71, 0.06), var(--color-deep));
        }

        .comparison-card.dim {
            opacity: 0.75;
        }

        .comparison-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--color-cream);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .comparison-card h3 .icon-check {
            color: var(--color-coral);
        }
        .comparison-card h3 .icon-x {
            color: var(--color-muted);
        }

        .comparison-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .comparison-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--color-muted-light);
            line-height: 1.6;
        }

        .comparison-list li i {
            font-size: 14px;
            margin-top: 4px;
            flex-shrink: 0;
        }

        .comparison-list li i.fa-check-circle {
            color: #4ADE80;
        }
        .comparison-list li i.fa-times-circle {
            color: var(--color-muted);
        }

        /* Testimonials */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .testimonial-card {
            background: var(--color-deep);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 16px;
            transition: border-color var(--transition-base), transform var(--transition-base);
        }

        .testimonial-card:hover {
            border-color: rgba(255, 90, 71, 0.3);
            transform: translateY(-2px);
        }

        .testimonial-stars {
            display: flex;
            gap: 3px;
            color: var(--color-amber);
            font-size: 13px;
        }

        .testimonial-text {
            font-size: 14px;
            color: var(--color-cream);
            line-height: 1.7;
            flex: 1;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .testimonial-author .avatar {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: linear-gradient(135deg, #3A3F4A, #2A2E38);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 13px;
            color: #fff;
        }

        .testimonial-author .name {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-cream);
        }

        .testimonial-author .title {
            font-size: 11px;
            color: var(--color-muted);
        }

        /* Partners */
        .partners-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 14px;
        }

        .partner-tag {
            background: var(--color-deep);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 16px 18px;
            text-align: center;
            transition: border-color var(--transition-base), transform var(--transition-base);
            cursor: pointer;
        }

        .partner-tag:hover {
            border-color: rgba(212, 168, 80, 0.4);
            transform: translateY(-2px);
        }

        .partner-tag .p-name {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-cream);
            margin-bottom: 4px;
        }

        .partner-tag .p-desc {
            font-size: 12px;
            color: var(--color-muted-light);
            line-height: 1.5;
        }

        /* Brand intro */
        .brand-intro {
            background: var(--color-deep);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-xl);
            padding: 40px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }

        .brand-intro h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--color-cream);
            margin-bottom: 16px;
            letter-spacing: -1px;
        }

        .brand-intro p {
            font-size: 15px;
            color: var(--color-muted-light);
            line-height: 1.8;
        }

        .brand-intro-img {
            border-radius: var(--radius-md);
            overflow: hidden;
            height: 200px;
        }

        .brand-intro-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 820px;
        }

        .faq-item {
            background: var(--color-deep);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color var(--transition-base);
        }

        .faq-item:hover {
            border-color: rgba(255, 90, 71, 0.3);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-cream);
            gap: 12px;
            user-select: none;
            transition: color var(--transition-base);
        }

        .faq-question:hover {
            color: var(--color-coral);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255, 90, 71, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--color-coral);
            transition: transform var(--transition-base), background var(--transition-base);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
            font-size: 14px;
            color: var(--color-muted-light);
            line-height: 1.75;
            padding: 0 22px;
        }

        .faq-answer-inner {
            padding-bottom: 18px;
            border-top: 1px solid var(--color-border);
            padding-top: 14px;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: rgba(255, 90, 71, 0.18);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }

        /* Form section */
        .form-section {
            background: var(--color-carbon);
            border-radius: var(--radius-xl);
            padding: 48px;
            border: 1px solid var(--color-border);
            position: relative;
            overflow: hidden;
        }

        .form-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 220px;
            height: 220px;
            background: radial-gradient(circle, rgba(255, 90, 71, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .form-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 180px;
            height: 180px;
            background: radial-gradient(circle, rgba(212, 168, 80, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }

        .form-wrapper {
            max-width: 560px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
        }

        .form-wrapper h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--color-cream);
            text-align: center;
            margin-bottom: 12px;
            letter-spacing: -1px;
        }

        .form-wrapper .form-sub {
            text-align: center;
            font-size: 15px;
            color: var(--color-muted-light);
            margin-bottom: 30px;
        }

        .form-group {
            margin-bottom: 18px;
        }

        .form-label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-cream);
            margin-bottom: 6px;
        }

        .form-input,
        .form-select {
            width: 100%;
            padding: 13px 16px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            color: var(--color-cream);
            font-size: 14px;
            transition: border-color var(--transition-base), background var(--transition-base);
        }

        .form-input:focus,
        .form-select:focus {
            border-color: var(--color-coral);
            background: rgba(255, 255, 255, 0.07);
            outline: none;
        }

        .form-input::placeholder {
            color: var(--color-muted);
        }

        .form-select {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%239A948C' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
            padding-right: 40px;
        }

        .form-select option {
            background: var(--color-deep);
            color: var(--color-cream);
        }

        .form-check {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            color: var(--color-muted);
            margin-bottom: 18px;
        }

        .form-check input {
            width: 16px;
            height: 16px;
            accent-color: var(--color-coral);
        }

        .form-privacy {
            font-size: 11px;
            color: var(--color-muted);
            text-align: center;
            margin-top: 12px;
            line-height: 1.6;
        }

        /* Footer */
        .site-footer {
            background: var(--color-carbon);
            border-top: 1px solid var(--color-border);
            padding: 60px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand h3 {
            font-size: 22px;
            font-weight: 800;
            color: var(--color-cream);
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }

        .footer-brand h3 span {
            color: var(--color-coral);
        }

        .footer-brand p {
            font-size: 13px;
            color: var(--color-muted-light);
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-cream);
            margin-bottom: 14px;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul a {
            font-size: 13px;
            color: var(--color-muted-light);
            transition: color var(--transition-base);
        }

        .footer-col ul a:hover {
            color: var(--color-coral);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            padding-top: 24px;
            border-top: 1px solid var(--color-border);
            font-size: 12px;
            color: var(--color-muted);
        }

        .footer-bottom a {
            color: var(--color-muted-light);
            transition: color var(--transition-base);
        }

        .footer-bottom a:hover {
            color: var(--color-coral);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-links {
                gap: 0;
            }
            .nav-links a {
                padding: 8px 10px;
                font-size: 13px;
            }
            .hero-content {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-text h1 {
                font-size: 36px;
            }
            .metrics-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 12px;
            }
            .service-matrix {
                grid-template-columns: 1fr;
            }
            .testimonials-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .partners-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            .nav-wrapper {
                height: 60px;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-links {
                display: none;
            }
            .nav-cta-wrapper .nav-badge {
                display: none;
            }
            .nav-cta-wrapper .btn-primary {
                display: none;
            }
            .mobile-menu {
                top: 60px;
            }
            .hero {
                padding: 50px 0;
                min-height: auto;
            }
            .hero-text h1 {
                font-size: 30px;
                letter-spacing: -0.5px;
            }
            .section {
                padding: 50px 0;
            }
            .section-header h2 {
                font-size: 26px;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .metric-value {
                font-size: 28px;
            }
            .service-matrix-left {
                grid-template-columns: 1fr;
            }
            .comparison-wrapper {
                grid-template-columns: 1fr;
            }
            .testimonials-grid {
                grid-template-columns: 1fr;
            }
            .partners-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .brand-intro {
                grid-template-columns: 1fr;
                padding: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .form-section {
                padding: 28px 20px;
            }
            .container-wide {
                padding: 0 16px;
            }
            .container {
                padding: 0 16px;
            }
            .hero-card {
                padding: 20px;
            }
            .group-btn-row {
                flex-direction: column;
            }
        }

        @media (max-width: 480px) {
            .hero-text h1 {
                font-size: 26px;
            }
            .hero-text p {
                font-size: 15px;
            }
            .metrics-grid {
                grid-template-columns: 1fr;
            }
            .partners-grid {
                grid-template-columns: 1fr;
            }
            .section-header h2 {
                font-size: 22px;
            }
            .hero-cta-row {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-cta-row .btn-primary,
            .hero-cta-row .btn-secondary {
                justify-content: center;
            }
            .news-item {
                flex-direction: column;
                gap: 12px;
            }
            .news-date {
                width: 42px;
                height: 42px;
            }
            .comparison-card {
                padding: 20px;
            }
        }

/* roulang page: category1 */
:root {
            --color-ink: #16181E;
            --color-carbon: #0E1015;
            --color-deep: #1D2027;
            --color-coral: #FF5A47;
            --color-coral-dark: #E84A3A;
            --color-coral-deep: #C93A2D;
            --color-amber: #D4A850;
            --color-amber-light: #E8C77B;
            --color-cream: #F5EFE6;
            --color-warm-gray: #E8E2D9;
            --color-muted: #9A948C;
            --color-muted-light: #B8B2A8;
            --color-border: rgba(255, 255, 255, 0.08);
            --color-border-light: rgba(255, 255, 255, 0.14);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 8px 32px rgba(0, 0, 0, 0.5);
            --font-sans: 'Inter', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --transition-base: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--color-ink);
            color: var(--color-cream);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-base);
        }
        button,
        input,
        select,
        textarea {
            font-family: var(--font-sans);
            font-size: 16px;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }
        button {
            cursor: pointer;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-wide {
            max-width: 1360px;
            margin: 0 auto;
            padding: 0 32px;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(14, 16, 21, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--color-border);
            transition: box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 16px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--color-coral), var(--color-coral-dark));
            border-radius: var(--radius-md);
            font-weight: 800;
            font-size: 18px;
            color: #fff;
            letter-spacing: -1px;
        }
        .nav-logo-text {
            font-weight: 800;
            font-size: 20px;
            letter-spacing: -0.5px;
            color: var(--color-cream);
            white-space: nowrap;
        }
        .nav-logo-text span {
            color: var(--color-coral);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
        }
        .nav-links a {
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--color-muted-light);
            position: relative;
            white-space: nowrap;
            transition: color var(--transition-base), background var(--transition-base);
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            width: 0;
            height: 2px;
            background: var(--color-coral);
            border-radius: 2px;
            transition: all var(--transition-base);
            transform: translateX(-50%);
        }
        .nav-links a:hover {
            color: var(--color-cream);
            background: rgba(255, 90, 71, 0.08);
        }
        .nav-links a:hover::after {
            width: 24px;
        }
        .nav-links a.active {
            color: var(--color-coral);
            background: rgba(255, 90, 71, 0.1);
        }
        .nav-links a.active::after {
            width: 24px;
        }
        .nav-cta-wrapper {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .nav-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 12px;
            background: rgba(212, 168, 80, 0.12);
            border: 1px solid rgba(212, 168, 80, 0.3);
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-amber-light);
            white-space: nowrap;
        }
        .nav-badge-dot {
            width: 7px;
            height: 7px;
            background: #4ADE80;
            border-radius: 50%;
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 11px 22px;
            background: var(--color-coral);
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
            box-shadow: 0 4px 14px rgba(255, 90, 71, 0.35);
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: var(--color-coral-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(255, 90, 71, 0.45);
        }
        .btn-primary:active {
            background: var(--color-coral-deep);
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(255, 90, 71, 0.3);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--color-amber-light);
            outline-offset: 2px;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 20px;
            background: transparent;
            color: var(--color-cream);
            font-weight: 500;
            font-size: 14px;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-sm);
            transition: border-color var(--transition-base), background var(--transition-base);
            white-space: nowrap;
        }
        .btn-secondary:hover {
            border-color: var(--color-amber);
            background: rgba(212, 168, 80, 0.08);
        }
        .btn-secondary:focus-visible {
            outline: 2px solid var(--color-amber);
            outline-offset: 2px;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 5px;
            width: 40px;
            height: 40px;
            background: transparent;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-sm);
            transition: background var(--transition-base);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--color-cream);
            border-radius: 2px;
            transition: all var(--transition-base);
            transform-origin: center;
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .breadcrumb-area {
            padding: 28px 0 8px;
            border-bottom: 1px solid var(--color-border);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-muted);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--color-muted-light);
            transition: color var(--transition-base);
        }
        .breadcrumb a:hover {
            color: var(--color-coral);
        }
        .breadcrumb .sep {
            color: var(--color-muted);
            font-size: 10px;
        }
        .breadcrumb .current {
            color: var(--color-amber-light);
            font-weight: 500;
        }
        .page-head {
            padding: 24px 0 28px;
            background: var(--color-carbon);
            border-bottom: 1px solid var(--color-border);
        }
        .page-head-inner {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        .page-head-left h1 {
            font-size: 36px;
            font-weight: 800;
            letter-spacing: -1px;
            color: var(--color-cream);
            line-height: 1.3;
            margin: 0 0 8px;
        }
        .page-head-left h1 span {
            color: var(--color-coral);
        }
        .page-head-left p {
            margin: 0;
            font-size: 15px;
            color: var(--color-muted-light);
            max-width: 680px;
            line-height: 1.7;
        }
        .page-head-stats {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            flex-shrink: 0;
        }
        .head-stat {
            text-align: center;
            padding: 10px 18px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            min-width: 90px;
        }
        .head-stat-number {
            font-size: 22px;
            font-weight: 800;
            color: var(--color-amber-light);
            line-height: 1.3;
            font-variant-numeric: tabular-nums;
        }
        .head-stat-label {
            font-size: 11px;
            color: var(--color-muted);
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }
        .category-intro {
            padding: 48px 0 32px;
        }
        .category-intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .category-intro-text h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-cream);
            letter-spacing: -0.5px;
            margin: 0 0 16px;
        }
        .category-intro-text h2 span {
            color: var(--color-amber);
        }
        .category-intro-text p {
            font-size: 15px;
            color: var(--color-muted-light);
            line-height: 1.8;
            margin: 0 0 12px;
            max-width: 560px;
        }
        .category-intro-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 16px;
        }
        .intro-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            background: rgba(212, 168, 80, 0.1);
            border: 1px solid rgba(212, 168, 80, 0.25);
            border-radius: 20px;
            font-size: 12px;
            font-weight: 500;
            color: var(--color-amber-light);
        }
        .intro-tag i {
            font-size: 11px;
        }
        .category-intro-image {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 16/10;
            background: var(--color-deep);
            border: 1px solid var(--color-border);
        }
        .category-intro-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .category-intro-image:hover img {
            transform: scale(1.03);
        }
        .category-intro-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(14, 16, 21, 0.7) 0%, rgba(14, 16, 21, 0.1) 60%);
            pointer-events: none;
        }
        .intro-image-label {
            position: absolute;
            bottom: 16px;
            left: 16px;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(14, 16, 21, 0.85);
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 12px;
            font-weight: 600;
            color: var(--color-cream);
            backdrop-filter: blur(4px);
        }
        .intro-image-label i {
            color: var(--color-coral);
        }
        .filter-list-section {
            padding: 24px 0 56px;
        }
        .filter-list-layout {
            display: grid;
            grid-template-columns: 260px 1fr;
            gap: 32px;
            align-items: start;
        }
        .filter-panel {
            background: var(--color-carbon);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            position: sticky;
            top: 88px;
        }
        .filter-panel-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-cream);
            margin: 0 0 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .filter-panel-title i {
            color: var(--color-coral);
            font-size: 14px;
        }
        .filter-group {
            margin-bottom: 20px;
        }
        .filter-group:last-child {
            margin-bottom: 0;
        }
        .filter-group-label {
            font-size: 12px;
            font-weight: 600;
            color: var(--color-muted);
            letter-spacing: 0.5px;
            margin-bottom: 8px;
            text-transform: uppercase;
        }
        .filter-options {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .filter-option {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 7px 10px;
            border-radius: var(--radius-sm);
            font-size: 13px;
            color: var(--color-muted-light);
            cursor: pointer;
            transition: background var(--transition-base), color var(--transition-base);
            border: 1px solid transparent;
        }
        .filter-option:hover {
            background: rgba(255, 255, 255, 0.05);
            color: var(--color-cream);
        }
        .filter-option.active {
            background: rgba(255, 90, 71, 0.1);
            border-color: rgba(255, 90, 71, 0.3);
            color: var(--color-coral);
        }
        .filter-option-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--color-muted);
            flex-shrink: 0;
        }
        .filter-option.active .filter-option-dot {
            background: var(--color-coral);
        }
        .filter-option-count {
            margin-left: auto;
            font-size: 11px;
            color: var(--color-muted);
            font-variant-numeric: tabular-nums;
        }
        .filter-clear {
            width: 100%;
            padding: 8px;
            margin-top: 12px;
            background: transparent;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            font-size: 12px;
            color: var(--color-muted);
            transition: all var(--transition-base);
            text-align: center;
        }
        .filter-clear:hover {
            border-color: var(--color-coral);
            color: var(--color-coral);
        }
        .live-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .live-card {
            display: grid;
            grid-template-columns: 200px 1fr auto;
            gap: 20px;
            background: var(--color-deep);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            padding: 16px;
            transition: border-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
            box-shadow: var(--shadow-card);
        }
        .live-card:hover {
            border-color: var(--color-border-light);
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
        }
        .live-card-image {
            border-radius: var(--radius-md);
            overflow: hidden;
            aspect-ratio: 16/9;
            background: var(--color-carbon);
            border: 1px solid var(--color-border);
            position: relative;
            flex-shrink: 0;
        }
        .live-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .live-card:hover .live-card-image img {
            transform: scale(1.04);
        }
        .live-card-image .live-badge {
            position: absolute;
            top: 8px;
            left: 8px;
            padding: 3px 8px;
            border-radius: 4px;
            font-size: 10px;
            font-weight: 700;
            letter-spacing: 0.5px;
            z-index: 2;
        }
        .live-badge.live-now {
            background: #EF4444;
            color: #fff;
            animation: live-pulse 1.5s infinite;
        }
        @keyframes live-pulse {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.6;
            }
        }
        .live-badge.upcoming {
            background: rgba(212, 168, 80, 0.9);
            color: #1a1a1a;
        }
        .live-badge.ended {
            background: rgba(120, 120, 120, 0.8);
            color: #e0e0e0;
        }
        .live-card-info {
            display: flex;
            flex-direction: column;
            justify-content: center;
            min-width: 0;
        }
        .live-card-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 11px;
            font-weight: 600;
            color: var(--color-amber-light);
            letter-spacing: 0.5px;
            margin-bottom: 6px;
        }
        .live-card-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-cream);
            margin: 0 0 6px;
            line-height: 1.5;
        }
        .live-card-teams {
            font-size: 14px;
            color: var(--color-muted-light);
            margin-bottom: 8px;
        }
        .live-card-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: var(--color-muted);
        }
        .live-card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .live-card-meta i {
            font-size: 11px;
            color: var(--color-amber);
        }
        .live-card-action {
            display: flex;
            flex-direction: column;
            align-items: flex-end;
            justify-content: center;
            gap: 8px;
            flex-shrink: 0;
        }
        .live-card-heat {
            font-size: 13px;
            font-weight: 700;
            color: var(--color-amber-light);
            display: flex;
            align-items: center;
            gap: 4px;
            font-variant-numeric: tabular-nums;
        }
        .live-card-heat i {
            color: var(--color-coral);
        }
        .btn-watch {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            background: var(--color-coral);
            color: #fff;
            font-weight: 600;
            font-size: 12px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-base), transform var(--transition-base);
            white-space: nowrap;
        }
        .btn-watch:hover {
            background: var(--color-coral-dark);
            transform: translateY(-1px);
        }
        .btn-watch:active {
            background: var(--color-coral-deep);
            transform: translateY(0);
        }
        .list-footer-bar {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px 0;
            margin-top: 8px;
        }
        .btn-load-more {
            padding: 10px 28px;
            background: transparent;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-sm);
            color: var(--color-muted-light);
            font-size: 14px;
            font-weight: 500;
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-load-more:hover {
            border-color: var(--color-amber);
            color: var(--color-cream);
            background: rgba(212, 168, 80, 0.08);
        }
        .cta-section {
            padding: 56px 0 64px;
            background: var(--color-carbon);
            border-top: 1px solid var(--color-border);
        }
        .cta-card {
            background: linear-gradient(135deg, var(--color-deep) 0%, #1a1d25 50%, #1f2230 100%);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-xl);
            padding: 40px 48px;
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 32px;
            align-items: center;
            position: relative;
            overflow: hidden;
        }
        .cta-card::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 90, 71, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-card::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(212, 168, 80, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-content h3 {
            font-size: 26px;
            font-weight: 700;
            color: var(--color-cream);
            margin: 0 0 12px;
            letter-spacing: -0.5px;
            position: relative;
            z-index: 1;
        }
        .cta-content h3 span {
            color: var(--color-coral);
        }
        .cta-content p {
            font-size: 15px;
            color: var(--color-muted-light);
            margin: 0 0 24px;
            line-height: 1.7;
            max-width: 520px;
            position: relative;
            z-index: 1;
        }
        .cta-form-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }
        .cta-input {
            flex: 1;
            min-width: 220px;
            padding: 12px 16px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-sm);
            color: var(--color-cream);
            font-size: 14px;
            transition: border-color var(--transition-base), background var(--transition-base);
        }
        .cta-input::placeholder {
            color: var(--color-muted);
        }
        .cta-input:focus {
            border-color: var(--color-coral);
            background: rgba(255, 255, 255, 0.08);
        }
        .cta-select {
            padding: 12px 16px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-sm);
            color: var(--color-cream);
            font-size: 14px;
            min-width: 140px;
            transition: border-color var(--transition-base);
        }
        .cta-select:focus {
            border-color: var(--color-coral);
        }
        .cta-select option {
            background: var(--color-deep);
            color: var(--color-cream);
        }
        .cta-visual {
            flex-shrink: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-rings {
            display: flex;
            gap: 8px;
        }
        .cta-ring {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            border: 2px solid rgba(255, 90, 71, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            color: var(--color-coral);
            background: rgba(255, 90, 71, 0.08);
        }
        .cta-note {
            font-size: 12px;
            color: var(--color-muted);
            text-align: center;
        }
        .site-footer {
            background: var(--color-carbon);
            border-top: 1px solid var(--color-border);
            padding: 48px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-brand h3 {
            font-size: 22px;
            font-weight: 800;
            color: var(--color-cream);
            margin: 0 0 12px;
            letter-spacing: -0.5px;
        }
        .footer-brand h3 span {
            color: var(--color-coral);
        }
        .footer-brand p {
            font-size: 13px;
            color: var(--color-muted);
            line-height: 1.7;
            margin: 0;
            max-width: 360px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-cream);
            margin: 0 0 12px;
            letter-spacing: 0.5px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            font-size: 13px;
            color: var(--color-muted);
            transition: color var(--transition-base);
        }
        .footer-col ul li a:hover {
            color: var(--color-coral);
        }
        .footer-bottom {
            border-top: 1px solid var(--color-border);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--color-muted);
        }
        .footer-bottom a {
            color: var(--color-muted-light);
            transition: color var(--transition-base);
        }
        .footer-bottom a:hover {
            color: var(--color-coral);
        }
        @media (max-width: 1024px) {
            .filter-list-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .filter-panel {
                position: static;
                display: grid;
                grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
                gap: 16px;
            }
            .filter-panel-title {
                grid-column: 1 / -1;
            }
            .category-intro-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .cta-card {
                grid-template-columns: 1fr;
                text-align: left;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 768px) {
            .nav-wrapper {
                height: 60px;
            }
            .nav-links {
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                background: rgba(14, 16, 21, 0.98);
                backdrop-filter: blur(14px);
                -webkit-backdrop-filter: blur(14px);
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 16px 24px;
                border-bottom: 1px solid var(--color-border);
                transform: translateY(-120%);
                transition: transform var(--transition-smooth);
                z-index: 99;
                max-height: calc(100vh - 60px);
                overflow-y: auto;
            }
            .nav-links.open {
                transform: translateY(0);
            }
            .nav-links a {
                padding: 14px 12px;
                font-size: 15px;
                border-bottom: 1px solid var(--color-border);
                border-radius: 0;
            }
            .nav-links a::after {
                display: none;
            }
            .nav-links a.active {
                background: rgba(255, 90, 71, 0.08);
            }
            .nav-toggle {
                display: flex;
            }
            .nav-cta-wrapper .btn-primary {
                display: none;
            }
            .page-head-left h1 {
                font-size: 28px;
            }
            .page-head-stats {
                width: 100%;
                justify-content: flex-start;
            }
            .live-card {
                grid-template-columns: 1fr;
                gap: 14px;
                padding: 14px;
            }
            .live-card-image {
                aspect-ratio: 16/8;
            }
            .live-card-action {
                flex-direction: row;
                align-items: center;
                justify-content: space-between;
            }
            .cta-card {
                padding: 28px 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }
            .container {
                padding: 0 16px;
            }
            .container-wide {
                padding: 0 16px;
            }
        }
        @media (max-width: 480px) {
            .page-head-left h1 {
                font-size: 24px;
            }
            .head-stat {
                min-width: 70px;
                padding: 8px 12px;
            }
            .head-stat-number {
                font-size: 18px;
            }
            .category-intro-text h2 {
                font-size: 22px;
            }
            .filter-panel {
                grid-template-columns: 1fr;
                padding: 16px;
            }
            .live-card-title {
                font-size: 14px;
            }
            .cta-form-row {
                flex-direction: column;
            }
            .cta-input,
            .cta-select {
                width: 100%;
                min-width: auto;
            }
            .btn-primary {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: category2 */
:root {
            --color-ink: #16181E;
            --color-carbon: #0E1015;
            --color-deep: #1D2027;
            --color-coral: #FF5A47;
            --color-coral-dark: #E84A3A;
            --color-coral-deep: #C93A2D;
            --color-amber: #D4A850;
            --color-amber-light: #E8C77B;
            --color-cream: #F5EFE6;
            --color-warm-gray: #E8E2D9;
            --color-muted: #9A948C;
            --color-muted-light: #B8B2A8;
            --color-border: rgba(255, 255, 255, 0.08);
            --color-border-light: rgba(255, 255, 255, 0.14);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 8px 32px rgba(0, 0, 0, 0.5);
            --font-sans: 'Inter', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --transition-base: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--color-ink);
            color: var(--color-cream);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-base);
        }
        button,
        input,
        select,
        textarea {
            font-family: var(--font-sans);
            font-size: 16px;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }
        button {
            cursor: pointer;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-wide {
            max-width: 1360px;
            margin: 0 auto;
            padding: 0 32px;
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(14, 16, 21, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--color-border);
            transition: box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 16px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--color-coral), var(--color-coral-dark));
            border-radius: var(--radius-md);
            font-weight: 800;
            font-size: 18px;
            color: #fff;
            letter-spacing: -1px;
        }
        .nav-logo-text {
            font-weight: 800;
            font-size: 20px;
            letter-spacing: -0.5px;
            color: var(--color-cream);
            white-space: nowrap;
        }
        .nav-logo-text span {
            color: var(--color-coral);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
        }
        .nav-links a {
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--color-muted-light);
            position: relative;
            white-space: nowrap;
            transition: color var(--transition-base), background var(--transition-base);
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            width: 0;
            height: 2px;
            background: var(--color-coral);
            border-radius: 2px;
            transition: all var(--transition-base);
            transform: translateX(-50%);
        }
        .nav-links a:hover {
            color: var(--color-cream);
            background: rgba(255, 90, 71, 0.08);
        }
        .nav-links a:hover::after {
            width: 24px;
        }
        .nav-links a.active {
            color: var(--color-coral);
            background: rgba(255, 90, 71, 0.1);
        }
        .nav-links a.active::after {
            width: 24px;
        }
        .nav-cta-wrapper {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .nav-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 12px;
            background: rgba(212, 168, 80, 0.12);
            border: 1px solid rgba(212, 168, 80, 0.3);
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-amber-light);
            white-space: nowrap;
        }
        .nav-badge-dot {
            width: 7px;
            height: 7px;
            background: #4ADE80;
            border-radius: 50%;
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.5);
            }
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 22px;
            background: var(--color-coral);
            color: #fff;
            font-weight: 700;
            font-size: 14px;
            border-radius: var(--radius-md);
            transition: background var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
            box-shadow: 0 2px 10px rgba(255, 90, 71, 0.3);
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: var(--color-coral-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 18px rgba(255, 90, 71, 0.4);
        }
        .btn-primary:active {
            background: var(--color-coral-deep);
            transform: translateY(0);
            box-shadow: 0 1px 6px rgba(255, 90, 71, 0.3);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--color-amber);
            outline-offset: 2px;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 22px;
            background: transparent;
            color: var(--color-cream);
            font-weight: 600;
            font-size: 14px;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            transition: border-color var(--transition-base), background var(--transition-base), color var(--transition-base);
            white-space: nowrap;
        }
        .btn-secondary:hover {
            border-color: var(--color-cream);
            background: rgba(255, 255, 255, 0.05);
        }
        .btn-secondary:focus-visible {
            outline: 2px solid var(--color-amber);
            outline-offset: 2px;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 4px;
            padding: 8px;
            border-radius: var(--radius-sm);
            background: transparent;
            border: 1px solid var(--color-border-light);
            transition: background var(--transition-base);
        }
        .nav-toggle span {
            width: 22px;
            height: 2px;
            background: var(--color-cream);
            border-radius: 2px;
            transition: transform var(--transition-base), opacity var(--transition-base);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-toggle.active span:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }

        /* Breadcrumb */
        .breadcrumb-wrapper {
            background: var(--color-carbon);
            border-bottom: 1px solid var(--color-border);
            padding: 16px 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-muted);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--color-muted-light);
            transition: color var(--transition-base);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb a:hover {
            color: var(--color-coral);
        }
        .breadcrumb i {
            font-size: 10px;
            color: var(--color-muted);
        }
        .breadcrumb .current {
            color: var(--color-amber-light);
            font-weight: 600;
        }

        /* Category Page Header */
        .category-header {
            background: linear-gradient(180deg, var(--color-carbon) 0%, var(--color-ink) 100%);
            padding: 48px 0 32px;
            border-bottom: 1px solid var(--color-border);
            position: relative;
            overflow: hidden;
        }
        .category-header::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 90, 71, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-header-content {
            position: relative;
            z-index: 1;
        }
        .category-header-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            background: rgba(255, 90, 71, 0.12);
            border: 1px solid rgba(255, 90, 71, 0.3);
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-coral);
            margin-bottom: 16px;
        }
        .category-header h1 {
            font-size: 36px;
            font-weight: 800;
            letter-spacing: -1px;
            color: var(--color-cream);
            margin-bottom: 12px;
            line-height: 1.25;
        }
        .category-header p {
            font-size: 16px;
            color: var(--color-muted-light);
            max-width: 680px;
            line-height: 1.8;
        }

        /* Featured Card */
        .featured-card-section {
            padding: 48px 0 32px;
        }
        .featured-card {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            background: var(--color-deep);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-xl);
            overflow: hidden;
            padding: 36px;
            position: relative;
            transition: box-shadow var(--transition-smooth), transform var(--transition-smooth);
        }
        .featured-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .featured-card-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
            min-height: 300px;
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: flex-end;
            padding: 24px;
        }
        .featured-card-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(14, 16, 21, 0.85) 100%);
            border-radius: var(--radius-lg);
        }
        .featured-card-image-content {
            position: relative;
            z-index: 1;
        }
        .featured-card-image-content .live-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--color-coral);
            color: #fff;
            padding: 4px 12px;
            border-radius: 12px;
            font-size: 12px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .featured-card-image-content .live-tag i {
            font-size: 8px;
            animation: pulse-dot 1.5s infinite;
        }
        .featured-card-image-content h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-cream);
            margin-bottom: 4px;
        }
        .featured-card-image-content p {
            font-size: 13px;
            color: var(--color-warm-gray);
        }
        .featured-card-body h2 {
            font-size: 26px;
            font-weight: 800;
            color: var(--color-cream);
            letter-spacing: -0.5px;
            margin-bottom: 14px;
            line-height: 1.35;
        }
        .featured-card-body p {
            font-size: 15px;
            color: var(--color-muted-light);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .featured-card-stats {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }
        .featured-card-stat {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-amber-light);
            font-weight: 600;
        }
        .featured-card-stat i {
            font-size: 16px;
            color: var(--color-amber);
        }
        .featured-card-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* Horizontal Scroll Cards */
        .h-scroll-section {
            padding: 32px 0 48px;
        }
        .section-header-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 24px;
            gap: 16px;
            flex-wrap: wrap;
        }
        .section-header-row h2 {
            font-size: 28px;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: var(--color-cream);
        }
        .section-header-row .section-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-coral);
            display: flex;
            align-items: center;
            gap: 6px;
            transition: color var(--transition-base);
        }
        .section-header-row .section-link:hover {
            color: var(--color-amber-light);
        }
        .h-scroll-track {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            padding-bottom: 18px;
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 90, 71, 0.4) rgba(255, 255, 255, 0.04);
            -webkit-overflow-scrolling: touch;
        }
        .h-scroll-track::-webkit-scrollbar {
            height: 6px;
        }
        .h-scroll-track::-webkit-scrollbar-track {
            background: rgba(255, 255, 255, 0.04);
            border-radius: 3px;
        }
        .h-scroll-track::-webkit-scrollbar-thumb {
            background: rgba(255, 90, 71, 0.4);
            border-radius: 3px;
        }
        .h-scroll-card {
            flex: 0 0 300px;
            scroll-snap-align: start;
            background: var(--color-deep);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 22px;
            transition: border-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
        }
        .h-scroll-card:hover {
            border-color: var(--color-coral);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card);
        }
        .h-scroll-card-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 14px;
        }
        .h-scroll-card-tag {
            font-size: 11px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 10px;
            background: rgba(212, 168, 80, 0.12);
            color: var(--color-amber-light);
            border: 1px solid rgba(212, 168, 80, 0.25);
        }
        .h-scroll-card-status {
            display: flex;
            align-items: center;
            gap: 5px;
            font-size: 12px;
            color: #4ADE80;
            font-weight: 600;
        }
        .h-scroll-card-status i {
            font-size: 7px;
            animation: pulse-dot 1.5s infinite;
        }
        .h-scroll-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-cream);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .h-scroll-card p {
            font-size: 13px;
            color: var(--color-muted);
            line-height: 1.7;
            margin-bottom: 14px;
        }
        .h-scroll-card-metrics {
            display: flex;
            gap: 16px;
            padding-top: 12px;
            border-top: 1px solid var(--color-border);
        }
        .h-scroll-card-metric {
            text-align: center;
            flex: 1;
        }
        .h-scroll-card-metric-number {
            font-size: 20px;
            font-weight: 800;
            color: var(--color-coral);
            font-variant-numeric: tabular-nums;
        }
        .h-scroll-card-metric-label {
            font-size: 11px;
            color: var(--color-muted);
            margin-top: 2px;
        }

        /* Data Stats Section */
        .data-stats-section {
            padding: 48px 0;
            background: var(--color-carbon);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }
        .data-stats-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }
        .data-stat-block {
            text-align: center;
            padding: 24px 16px;
            background: var(--color-deep);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            transition: border-color var(--transition-base), transform var(--transition-base);
        }
        .data-stat-block:hover {
            border-color: var(--color-coral);
            transform: translateY(-2px);
        }
        .data-stat-number {
            font-size: 32px;
            font-weight: 800;
            color: var(--color-cream);
            font-variant-numeric: tabular-nums;
            letter-spacing: -1px;
            line-height: 1.2;
        }
        .data-stat-number .highlight-number {
            color: var(--color-coral);
        }
        .data-stat-label {
            font-size: 13px;
            color: var(--color-muted-light);
            margin-top: 6px;
            font-weight: 500;
        }
        .data-stat-trend {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            color: #4ADE80;
            margin-top: 6px;
        }

        /* Service Matrix Section */
        .service-matrix-section {
            padding: 56px 0;
        }
        .service-matrix-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 24px;
            margin-top: 28px;
        }
        .service-matrix-main {
            background: var(--color-deep);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-xl);
            padding: 32px;
            grid-row: span 2;
            position: relative;
            overflow: hidden;
        }
        .service-matrix-main::before {
            content: '';
            position: absolute;
            top: -40%;
            left: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 90, 71, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .service-matrix-main h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-cream);
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }
        .service-matrix-main p {
            font-size: 15px;
            color: var(--color-muted-light);
            line-height: 1.8;
            margin-bottom: 18px;
            position: relative;
            z-index: 1;
        }
        .service-matrix-main-list {
            list-style: none;
            padding: 0;
            position: relative;
            z-index: 1;
        }
        .service-matrix-main-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 10px 0;
            font-size: 14px;
            color: var(--color-warm-gray);
            border-bottom: 1px solid var(--color-border);
        }
        .service-matrix-main-list li:last-child {
            border-bottom: none;
        }
        .service-matrix-main-list li i {
            color: var(--color-coral);
            font-size: 16px;
            margin-top: 3px;
            flex-shrink: 0;
        }
        .service-matrix-secondary {
            background: var(--color-deep);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 24px;
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
        }
        .service-matrix-secondary:hover {
            border-color: var(--color-coral);
            box-shadow: var(--shadow-card);
        }
        .service-matrix-secondary h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-cream);
            margin-bottom: 8px;
        }
        .service-matrix-secondary p {
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.7;
        }
        .service-matrix-secondary .matrix-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: rgba(255, 90, 71, 0.1);
            border-radius: var(--radius-md);
            color: var(--color-coral);
            font-size: 18px;
            margin-bottom: 14px;
        }

        /* Features Grid */
        .features-grid-section {
            padding: 48px 0;
            background: var(--color-carbon);
            border-top: 1px solid var(--color-border);
        }
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
            margin-top: 28px;
        }
        .feature-grid-card {
            background: var(--color-deep);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 24px;
            transition: all var(--transition-base);
        }
        .feature-grid-card:hover {
            border-color: var(--color-amber);
            transform: translateY(-2px);
            box-shadow: var(--shadow-card);
        }
        .feature-grid-card .feature-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: rgba(212, 168, 80, 0.1);
            border-radius: var(--radius-md);
            color: var(--color-amber);
            font-size: 20px;
            margin-bottom: 14px;
        }
        .feature-grid-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-cream);
            margin-bottom: 8px;
        }
        .feature-grid-card p {
            font-size: 14px;
            color: var(--color-muted-light);
            line-height: 1.7;
        }

        /* FAQ */
        .faq-section {
            padding: 56px 0;
        }
        .faq-list {
            max-width: 800px;
            margin: 28px auto 0;
        }
        .faq-item {
            background: var(--color-deep);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color var(--transition-base);
        }
        .faq-item:hover {
            border-color: var(--color-border-light);
        }
        .faq-item.active {
            border-color: var(--color-coral);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-cream);
            transition: color var(--transition-base);
            gap: 12px;
            user-select: none;
        }
        .faq-question:hover {
            color: var(--color-coral);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 90, 71, 0.1);
            border-radius: 50%;
            font-size: 14px;
            color: var(--color-coral);
            transition: transform var(--transition-base);
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 20px;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }
        .faq-answer p {
            font-size: 14px;
            color: var(--color-muted-light);
            line-height: 1.8;
            border-top: 1px solid var(--color-border);
            padding-top: 14px;
        }

        /* CTA Section */
        .cta-section {
            padding: 56px 0;
            background: var(--color-carbon);
            border-top: 1px solid var(--color-border);
        }
        .cta-card {
            max-width: 560px;
            margin: 0 auto;
            background: var(--color-deep);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-xl);
            padding: 36px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-card::before {
            content: '';
            position: absolute;
            top: -50%;
            left: 50%;
            transform: translateX(-50%);
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 90, 71, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-card h2 {
            font-size: 26px;
            font-weight: 800;
            color: var(--color-cream);
            letter-spacing: -0.5px;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }
        .cta-card p {
            font-size: 15px;
            color: var(--color-muted-light);
            line-height: 1.8;
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
        }
        .cta-form {
            display: flex;
            flex-direction: column;
            gap: 14px;
            position: relative;
            z-index: 1;
        }
        .cta-form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }
        .cta-form input,
        .cta-form select {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            padding: 12px 16px;
            color: var(--color-cream);
            font-size: 14px;
            transition: border-color var(--transition-base), background var(--transition-base);
        }
        .cta-form input::placeholder {
            color: var(--color-muted);
        }
        .cta-form input:focus,
        .cta-form select:focus {
            border-color: var(--color-coral);
            background: rgba(255, 90, 71, 0.04);
            outline: none;
        }
        .cta-form select option {
            background: var(--color-deep);
            color: var(--color-cream);
        }
        .cta-form button {
            width: 100%;
            justify-content: center;
            padding: 14px 22px;
            font-size: 16px;
            margin-top: 4px;
        }
        .cta-form-note {
            font-size: 12px;
            color: var(--color-muted);
            text-align: center;
            margin-top: 10px;
            position: relative;
            z-index: 1;
        }

        /* Footer */
        .site-footer {
            background: var(--color-carbon);
            border-top: 1px solid var(--color-border);
            padding: 48px 0 20px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand h3 {
            font-size: 22px;
            font-weight: 800;
            color: var(--color-cream);
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        .footer-brand h3 span {
            color: var(--color-coral);
        }
        .footer-brand p {
            font-size: 13px;
            color: var(--color-muted);
            line-height: 1.8;
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-cream);
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 13px;
            color: var(--color-muted);
            transition: color var(--transition-base);
        }
        .footer-col ul li a:hover {
            color: var(--color-coral);
        }
        .footer-bottom {
            border-top: 1px solid var(--color-border);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 12px;
            color: var(--color-muted);
        }
        .footer-bottom a {
            color: var(--color-muted-light);
            transition: color var(--transition-base);
        }
        .footer-bottom a:hover {
            color: var(--color-coral);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-links {
                gap: 0;
            }
            .nav-links a {
                padding: 8px 10px;
                font-size: 13px;
            }
            .featured-card {
                grid-template-columns: 1fr;
                padding: 28px;
            }
            .service-matrix-grid {
                grid-template-columns: 1fr 1fr;
            }
            .service-matrix-main {
                grid-column: span 2;
                grid-row: auto;
            }
            .data-stats-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .container-wide {
                padding: 0 16px;
            }
            .container {
                padding: 0 16px;
            }
            .nav-wrapper {
                height: 60px;
            }
            .nav-links {
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                background: rgba(14, 16, 21, 0.98);
                flex-direction: column;
                align-items: stretch;
                padding: 20px 16px;
                gap: 8px;
                border-bottom: 1px solid var(--color-border-light);
                transform: translateY(-120%);
                transition: transform var(--transition-smooth);
                max-height: calc(100vh - 60px);
                overflow-y: auto;
            }
            .nav-links.open {
                transform: translateY(0);
            }
            .nav-links a {
                padding: 12px 16px;
                font-size: 15px;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-badge {
                display: none;
            }
            .btn-primary {
                padding: 10px 16px;
                font-size: 13px;
            }
            .category-header h1 {
                font-size: 28px;
            }
            .featured-card {
                padding: 20px;
                gap: 20px;
            }
            .featured-card-image {
                min-height: 220px;
                padding: 16px;
            }
            .h-scroll-card {
                flex: 0 0 260px;
                padding: 18px;
            }
            .data-stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .data-stat-number {
                font-size: 24px;
            }
            .service-matrix-grid {
                grid-template-columns: 1fr;
            }
            .service-matrix-main {
                grid-column: span 1;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .cta-form-row {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .section-header-row h2 {
                font-size: 22px;
            }
        }
        @media (max-width: 480px) {
            .data-stats-grid {
                grid-template-columns: 1fr;
            }
            .data-stat-block {
                padding: 18px 12px;
            }
            .category-header {
                padding: 32px 0 24px;
            }
            .category-header h1 {
                font-size: 24px;
            }
            .featured-card-body h2 {
                font-size: 22px;
            }
            .featured-card-stats {
                gap: 12px;
            }
            .h-scroll-card {
                flex: 0 0 240px;
            }
            .cta-card {
                padding: 24px 20px;
            }
            .cta-card h2 {
                font-size: 22px;
            }
        }

/* roulang page: category4 */
:root {
            --color-ink: #16181E;
            --color-carbon: #0E1015;
            --color-deep: #1D2027;
            --color-coral: #FF5A47;
            --color-coral-dark: #E84A3A;
            --color-coral-deep: #C93A2D;
            --color-amber: #D4A850;
            --color-amber-light: #E8C77B;
            --color-cream: #F5EFE6;
            --color-warm-gray: #E8E2D9;
            --color-muted: #9A948C;
            --color-muted-light: #B8B2A8;
            --color-border: rgba(255, 255, 255, 0.08);
            --color-border-light: rgba(255, 255, 255, 0.14);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 8px 32px rgba(0, 0, 0, 0.5);
            --font-sans: 'Inter', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --transition-base: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--color-ink);
            color: var(--color-cream);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-base);
        }
        button,
        input,
        select,
        textarea {
            font-family: var(--font-sans);
            font-size: 16px;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }
        button {
            cursor: pointer;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-wide {
            max-width: 1360px;
            margin: 0 auto;
            padding: 0 32px;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(14, 16, 21, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--color-border);
            transition: box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 16px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--color-coral), var(--color-coral-dark));
            border-radius: var(--radius-md);
            font-weight: 800;
            font-size: 18px;
            color: #fff;
            letter-spacing: -1px;
        }
        .nav-logo-text {
            font-weight: 800;
            font-size: 20px;
            letter-spacing: -0.5px;
            color: var(--color-cream);
            white-space: nowrap;
        }
        .nav-logo-text span {
            color: var(--color-coral);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
        }
        .nav-links a {
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--color-muted-light);
            position: relative;
            white-space: nowrap;
            transition: color var(--transition-base), background var(--transition-base);
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            width: 0;
            height: 2px;
            background: var(--color-coral);
            border-radius: 2px;
            transition: all var(--transition-base);
            transform: translateX(-50%);
        }
        .nav-links a:hover {
            color: var(--color-cream);
            background: rgba(255, 90, 71, 0.08);
        }
        .nav-links a:hover::after {
            width: 24px;
        }
        .nav-links a.active {
            color: var(--color-coral);
            background: rgba(255, 90, 71, 0.1);
        }
        .nav-links a.active::after {
            width: 24px;
        }
        .nav-cta-wrapper {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .nav-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 12px;
            background: rgba(212, 168, 80, 0.12);
            border: 1px solid rgba(212, 168, 80, 0.3);
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-amber-light);
            white-space: nowrap;
        }
        .nav-badge-dot {
            width: 7px;
            height: 7px;
            background: #4ADE80;
            border-radius: 50%;
            animation: pulse-dot 2s infinite;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 22px;
            background: var(--color-coral);
            color: #fff;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 14px;
            white-space: nowrap;
            transition: background var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
            box-shadow: 0 2px 12px rgba(255, 90, 71, 0.35);
        }
        .btn-primary:hover {
            background: var(--color-coral-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 20px rgba(255, 90, 71, 0.5);
        }
        .btn-primary:active {
            background: var(--color-coral-deep);
            transform: translateY(0);
            box-shadow: 0 1px 8px rgba(255, 90, 71, 0.35);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--color-amber);
            outline-offset: 2px;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 22px;
            background: transparent;
            color: var(--color-cream);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            font-weight: 500;
            font-size: 14px;
            white-space: nowrap;
            transition: border-color var(--transition-base), background var(--transition-base);
        }
        .btn-secondary:hover {
            border-color: var(--color-coral);
            background: rgba(255, 90, 71, 0.06);
        }
        .btn-secondary:focus-visible {
            outline: 2px solid var(--color-amber);
            outline-offset: 2px;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 42px;
            height: 42px;
            padding: 10px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--color-border);
        }
        .nav-toggle span {
            display: block;
            width: 100%;
            height: 2px;
            background: var(--color-cream);
            border-radius: 2px;
            transition: all var(--transition-base);
        }
        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }

        .page-banner {
            position: relative;
            padding: 56px 0 48px;
            background: var(--color-carbon);
            border-bottom: 1px solid var(--color-border);
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            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;
            pointer-events: none;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-muted);
            margin-bottom: 20px;
            position: relative;
            z-index: 2;
        }
        .breadcrumb a {
            color: var(--color-muted-light);
            transition: color var(--transition-base);
        }
        .breadcrumb a:hover {
            color: var(--color-coral);
        }
        .breadcrumb .separator {
            color: var(--color-muted);
            opacity: 0.5;
        }
        .breadcrumb .current {
            color: var(--color-coral);
            font-weight: 500;
        }
        .page-banner h1 {
            font-size: 38px;
            font-weight: 800;
            letter-spacing: -1px;
            color: var(--color-cream);
            margin-bottom: 14px;
            position: relative;
            z-index: 2;
            line-height: 1.25;
        }
        .page-banner .subtitle {
            font-size: 16px;
            color: var(--color-muted-light);
            max-width: 680px;
            position: relative;
            z-index: 2;
            line-height: 1.8;
        }

        .main-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 32px;
            padding: 48px 0 64px;
        }

        .tag-cloud-section {
            margin-bottom: 28px;
        }
        .tag-cloud-section h2 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-cream);
            margin-bottom: 18px;
            letter-spacing: -0.3px;
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-cloud .tag-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            background: var(--color-deep);
            border: 1px solid var(--color-border);
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            color: var(--color-muted-light);
            transition: all var(--transition-base);
            cursor: pointer;
        }
        .tag-cloud .tag-item:hover {
            border-color: var(--color-coral);
            color: var(--color-coral);
            background: rgba(255, 90, 71, 0.06);
        }
        .tag-cloud .tag-item .tag-count {
            font-size: 11px;
            font-weight: 600;
            padding: 2px 8px;
            background: rgba(212, 168, 80, 0.12);
            border-radius: 10px;
            color: var(--color-amber-light);
        }

        .timeline-section .section-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 24px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--color-border);
        }
        .timeline-section .section-header h2 {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-cream);
            letter-spacing: -0.3px;
        }
        .timeline-section .update-indicator {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            color: var(--color-muted);
        }
        .timeline-section .update-indicator .live-dot {
            width: 6px;
            height: 6px;
            background: #4ADE80;
            border-radius: 50%;
            animation: pulse-dot 2s infinite;
        }
        .timeline {
            position: relative;
            padding-left: 28px;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--color-border);
            border-radius: 2px;
        }
        .timeline-item {
            position: relative;
            margin-bottom: 28px;
            padding-left: 16px;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -24px;
            top: 6px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--color-amber);
            border: 2px solid var(--color-ink);
            box-shadow: 0 0 0 2px var(--color-border);
        }
        .timeline-item.featured::before {
            background: var(--color-coral);
            box-shadow: 0 0 0 2px rgba(255, 90, 71, 0.3);
        }
        .timeline-card {
            background: var(--color-deep);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 22px 24px;
            transition: border-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
        }
        .timeline-card:hover {
            border-color: var(--color-border-light);
            transform: translateX(4px);
            box-shadow: var(--shadow-card);
        }
        .timeline-card .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 10px;
            flex-wrap: wrap;
        }
        .timeline-card .card-date {
            font-size: 12px;
            font-weight: 600;
            color: var(--color-amber-light);
            background: rgba(212, 168, 80, 0.1);
            padding: 3px 10px;
            border-radius: 10px;
            white-space: nowrap;
        }
        .timeline-card .card-tag {
            font-size: 12px;
            color: var(--color-muted-light);
            white-space: nowrap;
        }
        .timeline-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-cream);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .timeline-card p {
            font-size: 14px;
            color: var(--color-muted-light);
            line-height: 1.75;
            margin-bottom: 12px;
        }
        .timeline-card .stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 12px;
            color: var(--color-muted);
        }
        .timeline-card .stats-row .stat {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .timeline-card .stats-row .stat i {
            color: var(--color-amber);
            font-size: 11px;
        }

        .sidebar-cta-card {
            background: linear-gradient(135deg, var(--color-deep) 0%, #1a1d24 100%);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            position: sticky;
            top: 88px;
            margin-bottom: 24px;
        }
        .sidebar-cta-card .cta-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            background: rgba(255, 90, 71, 0.12);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
        }
        .sidebar-cta-card .cta-icon i {
            font-size: 22px;
            color: var(--color-coral);
        }
        .sidebar-cta-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-cream);
            margin-bottom: 10px;
            letter-spacing: -0.3px;
        }
        .sidebar-cta-card p {
            font-size: 13px;
            color: var(--color-muted-light);
            line-height: 1.7;
            margin-bottom: 18px;
        }
        .sidebar-cta-card .btn-primary {
            width: 100%;
            justify-content: center;
        }
        .sidebar-cta-card .cta-extra {
            margin-top: 16px;
            padding-top: 16px;
            border-top: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--color-muted);
        }
        .sidebar-cta-card .cta-extra .highlight {
            color: var(--color-amber-light);
            font-weight: 600;
        }

        .mini-card {
            background: var(--color-deep);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            transition: border-color var(--transition-base), transform var(--transition-base);
            cursor: pointer;
        }
        .mini-card:hover {
            border-color: var(--color-border-light);
            transform: translateY(-2px);
        }
        .mini-card .mini-title {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-cream);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .mini-card .mini-info {
            font-size: 11px;
            color: var(--color-muted);
        }

        .site-footer {
            background: var(--color-carbon);
            border-top: 1px solid var(--color-border);
            padding: 48px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .footer-brand h3 {
            font-size: 20px;
            font-weight: 800;
            color: var(--color-cream);
            margin-bottom: 10px;
            letter-spacing: -0.5px;
        }
        .footer-brand h3 span {
            color: var(--color-coral);
        }
        .footer-brand p {
            font-size: 13px;
            color: var(--color-muted-light);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-cream);
            margin-bottom: 14px;
            letter-spacing: -0.2px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 13px;
            color: var(--color-muted-light);
            transition: color var(--transition-base);
        }
        .footer-col ul li a:hover {
            color: var(--color-coral);
        }
        .footer-bottom {
            border-top: 1px solid var(--color-border);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: var(--color-muted);
        }
        .footer-bottom a {
            color: var(--color-muted-light);
            transition: color var(--transition-base);
        }
        .footer-bottom a:hover {
            color: var(--color-coral);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 68px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(14, 16, 21, 0.98);
            z-index: 99;
            padding: 32px 24px;
            overflow-y: auto;
            flex-direction: column;
            gap: 8px;
        }
        .mobile-menu.active {
            display: flex;
        }
        .mobile-menu a {
            display: block;
            padding: 14px 18px;
            font-size: 16px;
            font-weight: 500;
            color: var(--color-muted-light);
            border-radius: var(--radius-md);
            border-bottom: 1px solid var(--color-border);
            transition: all var(--transition-base);
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--color-coral);
            background: rgba(255, 90, 71, 0.06);
        }
        .mobile-menu .mobile-cta {
            margin-top: 20px;
        }
        .mobile-menu .mobile-cta .btn-primary {
            width: 100%;
            justify-content: center;
            padding: 14px 20px;
            font-size: 16px;
        }

        @media (max-width: 1024px) {
            .main-layout {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .sidebar-cta-card {
                position: static;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 768px) {
            .container-wide {
                padding: 0 16px;
            }
            .container {
                padding: 0 16px;
            }
            .nav-links {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-cta-wrapper .nav-badge {
                display: none;
            }
            .nav-cta-wrapper .btn-primary {
                display: none;
            }
            .page-banner h1 {
                font-size: 28px;
            }
            .page-banner {
                padding: 36px 0 32px;
            }
            .main-layout {
                padding: 32px 0 48px;
            }
            .timeline {
                padding-left: 20px;
            }
            .timeline-item {
                padding-left: 10px;
            }
            .timeline-item::before {
                left: -16px;
                top: 4px;
                width: 10px;
                height: 10px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }
        @media (max-width: 520px) {
            .page-banner h1 {
                font-size: 24px;
            }
            .tag-cloud .tag-item {
                padding: 6px 12px;
                font-size: 12px;
            }
            .timeline-card {
                padding: 16px 18px;
            }
            .timeline-card h3 {
                font-size: 15px;
            }
            .timeline-card p {
                font-size: 13px;
            }
        }

/* roulang page: category3 */
:root {
            --color-ink: #16181E;
            --color-carbon: #0E1015;
            --color-deep: #1D2027;
            --color-coral: #FF5A47;
            --color-coral-dark: #E84A3A;
            --color-coral-deep: #C93A2D;
            --color-amber: #D4A850;
            --color-amber-light: #E8C77B;
            --color-cream: #F5EFE6;
            --color-warm-gray: #E8E2D9;
            --color-muted: #9A948C;
            --color-muted-light: #B8B2A8;
            --color-border: rgba(255, 255, 255, 0.08);
            --color-border-light: rgba(255, 255, 255, 0.14);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 8px 32px rgba(0, 0, 0, 0.5);
            --font-sans: 'Inter', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --transition-base: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: var(--font-sans);
            background-color: var(--color-ink);
            color: var(--color-cream);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

        * {
            box-sizing: border-box;
        }

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

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

        button, input, select, textarea {
            font-family: var(--font-sans);
            font-size: 16px;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }

        button {
            cursor: pointer;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-wide {
            max-width: 1360px;
            margin: 0 auto;
            padding: 0 32px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(14, 16, 21, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--color-border);
            transition: box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 16px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--color-coral), var(--color-coral-dark));
            border-radius: var(--radius-md);
            font-weight: 800;
            font-size: 18px;
            color: #fff;
            letter-spacing: -1px;
        }

        .nav-logo-text {
            font-weight: 800;
            font-size: 20px;
            letter-spacing: -0.5px;
            color: var(--color-cream);
            white-space: nowrap;
        }

        .nav-logo-text span {
            color: var(--color-coral);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
        }

        .nav-links a {
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--color-muted-light);
            position: relative;
            white-space: nowrap;
            transition: color var(--transition-base), background var(--transition-base);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            width: 0;
            height: 2px;
            background: var(--color-coral);
            border-radius: 2px;
            transition: all var(--transition-base);
            transform: translateX(-50%);
        }

        .nav-links a:hover {
            color: var(--color-cream);
            background: rgba(255, 90, 71, 0.08);
        }

        .nav-links a:hover::after {
            width: 24px;
        }

        .nav-links a.active {
            color: var(--color-coral);
            background: rgba(255, 90, 71, 0.1);
        }

        .nav-links a.active::after {
            width: 24px;
        }

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

        .nav-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 12px;
            background: rgba(212, 168, 80, 0.12);
            border: 1px solid rgba(212, 168, 80, 0.3);
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-amber-light);
            white-space: nowrap;
        }

        .nav-badge-dot {
            width: 7px;
            height: 7px;
            background: #4ADE80;
            border-radius: 50%;
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.4); }
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 22px;
            background: var(--color-coral);
            color: #fff;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 14px;
            white-space: nowrap;
            transition: background var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
            box-shadow: 0 4px 14px rgba(255, 90, 71, 0.25);
        }

        .btn-primary:hover {
            background: var(--color-coral-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 22px rgba(255, 90, 71, 0.35);
        }

        .btn-primary:active {
            background: var(--color-coral-deep);
            transform: translateY(0);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--color-coral);
            outline-offset: 2px;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 22px;
            background: transparent;
            color: var(--color-cream);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            font-weight: 500;
            font-size: 14px;
            white-space: nowrap;
            transition: border-color var(--transition-base), background var(--transition-base);
        }

        .btn-secondary:hover {
            border-color: var(--color-cream);
            background: rgba(255, 255, 255, 0.05);
        }

        .btn-secondary:focus-visible {
            outline: 2px solid var(--color-muted-light);
            outline-offset: 2px;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
            background: transparent;
            border: 1px solid var(--color-border-light);
            transition: background var(--transition-base);
        }

        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--color-cream);
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.05);
        }

        .nav-toggle[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 28px 0 0;
            font-size: 13px;
            color: var(--color-muted);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--color-muted-light);
            transition: color var(--transition-base);
        }

        .breadcrumb a:hover {
            color: var(--color-coral);
        }

        .breadcrumb .separator {
            color: var(--color-muted);
            font-size: 11px;
        }

        .breadcrumb .current {
            color: var(--color-coral);
            font-weight: 500;
        }

        .category-hero {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
            padding: 56px 0 72px;
            position: relative;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: -10%;
            width: 50%;
            height: 100%;
            background: radial-gradient(circle at center, rgba(255, 90, 71, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            background: rgba(212, 168, 80, 0.15);
            border: 1px solid rgba(212, 168, 80, 0.35);
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-amber-light);
            margin-bottom: 16px;
        }

        .hero-badge .dot {
            width: 6px;
            height: 6px;
            background: #4ADE80;
            border-radius: 50%;
        }

        .category-hero h1 {
            font-size: 42px;
            line-height: 1.2;
            font-weight: 800;
            color: var(--color-cream);
            margin: 0 0 18px;
            letter-spacing: -0.5px;
        }

        .category-hero h1 .accent {
            color: var(--color-coral);
        }

        .category-hero .hero-desc {
            font-size: 16px;
            color: var(--color-muted-light);
            line-height: 1.8;
            margin: 0 0 28px;
            max-width: 600px;
        }

        .hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .hero-visual {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            min-height: 380px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
        }

        .hero-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }

        .hero-visual .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(14, 16, 21, 0.7) 0%, rgba(14, 16, 21, 0.1) 100%);
            display: flex;
            align-items: flex-end;
            padding: 24px;
        }

        .hero-visual .overlay-content {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .hero-visual .tag {
            padding: 6px 12px;
            background: rgba(14, 16, 21, 0.75);
            border-radius: var(--radius-sm);
            font-size: 12px;
            color: var(--color-cream);
            font-weight: 500;
            backdrop-filter: blur(8px);
            border: 1px solid var(--color-border-light);
        }

        .section {
            padding: 72px 0;
        }

        .section-alt {
            background: rgba(255, 255, 255, 0.02);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .section-label {
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--color-coral);
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--color-cream);
            margin: 0 0 16px;
            letter-spacing: -0.5px;
            line-height: 1.25;
        }

        .section-desc {
            font-size: 15px;
            color: var(--color-muted-light);
            max-width: 680px;
            line-height: 1.85;
            margin: 0 0 40px;
        }

        .dual-feature {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            padding: 40px 0;
            border-bottom: 1px solid var(--color-border);
        }

        .dual-feature:last-child {
            border-bottom: none;
        }

        .dual-feature.reverse .feature-text {
            order: 2;
        }

        .dual-feature.reverse .feature-image {
            order: 1;
        }

        .feature-text .feature-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: rgba(255, 90, 71, 0.12);
            border-radius: var(--radius-sm);
            color: var(--color-coral);
            font-weight: 800;
            font-size: 14px;
            margin-bottom: 14px;
        }

        .feature-text h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-cream);
            margin: 0 0 12px;
            letter-spacing: -0.3px;
        }

        .feature-text p {
            font-size: 15px;
            color: var(--color-muted-light);
            line-height: 1.85;
            margin: 0 0 16px;
        }

        .feature-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .feature-tags .tag {
            padding: 4px 12px;
            background: rgba(212, 168, 80, 0.1);
            border: 1px solid rgba(212, 168, 80, 0.25);
            border-radius: 16px;
            font-size: 12px;
            color: var(--color-amber-light);
            font-weight: 500;
        }

        .feature-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            aspect-ratio: 16/10;
            position: relative;
        }

        .feature-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .feature-image:hover img {
            transform: scale(1.03);
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .metric-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            transition: border-color var(--transition-base), transform var(--transition-base);
        }

        .metric-card:hover {
            border-color: rgba(255, 90, 71, 0.3);
            transform: translateY(-2px);
        }

        .metric-value {
            font-size: 36px;
            font-weight: 800;
            color: var(--color-coral);
            letter-spacing: -1px;
            font-variant-numeric: tabular-nums;
            line-height: 1.1;
        }

        .metric-label {
            font-size: 13px;
            color: var(--color-muted-light);
            margin-top: 8px;
            font-weight: 500;
        }

        .metric-trend {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            color: #4ADE80;
            font-weight: 600;
            margin-top: 6px;
        }

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

        .service-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: border-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
        }

        .service-card:hover {
            border-color: rgba(255, 90, 71, 0.3);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }

        .service-card .icon-wrap {
            width: 44px;
            height: 44px;
            background: rgba(255, 90, 71, 0.1);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-coral);
            font-size: 18px;
            margin-bottom: 16px;
        }

        .service-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-cream);
            margin: 0 0 10px;
        }

        .service-card p {
            font-size: 14px;
            color: var(--color-muted-light);
            line-height: 1.75;
            margin: 0;
        }

        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .scenario-card {
            display: flex;
            gap: 16px;
            padding: 22px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            transition: border-color var(--transition-base), background var(--transition-base);
        }

        .scenario-card:hover {
            border-color: rgba(255, 90, 71, 0.25);
            background: rgba(255, 255, 255, 0.05);
        }

        .scenario-card .num {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            background: var(--color-coral);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            color: #fff;
        }

        .scenario-card h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-cream);
            margin: 0 0 6px;
        }

        .scenario-card p {
            font-size: 13px;
            color: var(--color-muted-light);
            line-height: 1.7;
            margin: 0;
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
            counter-reset: step;
        }

        .process-step {
            text-align: center;
            padding: 24px 16px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            position: relative;
            transition: border-color var(--transition-base);
        }

        .process-step:hover {
            border-color: rgba(255, 90, 71, 0.3);
        }

        .process-step .step-num {
            width: 36px;
            height: 36px;
            margin: 0 auto 12px;
            background: linear-gradient(135deg, var(--color-coral), var(--color-coral-dark));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 14px;
            color: #fff;
        }

        .process-step h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-cream);
            margin: 0 0 6px;
        }

        .process-step p {
            font-size: 12px;
            color: var(--color-muted);
            line-height: 1.6;
            margin: 0;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color var(--transition-base);
        }

        .faq-item:hover {
            border-color: rgba(255, 90, 71, 0.2);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            width: 100%;
            text-align: left;
            font-weight: 600;
            font-size: 15px;
            color: var(--color-cream);
            transition: color var(--transition-base);
        }

        .faq-question:hover {
            color: var(--color-coral);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            font-size: 14px;
            color: var(--color-muted-light);
            transition: transform var(--transition-base);
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
            color: var(--color-coral);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 22px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--color-muted-light);
            line-height: 1.8;
            margin: 0;
            padding-top: 4px;
            border-top: 1px solid var(--color-border);
        }

        .cta-section {
            background: linear-gradient(180deg, rgba(255, 90, 71, 0.04) 0%, rgba(14, 16, 21, 0.5) 100%);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-xl);
            padding: 56px 48px;
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 48px;
            align-items: center;
        }

        .cta-info h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--color-cream);
            margin: 0 0 14px;
        }

        .cta-info p {
            font-size: 15px;
            color: var(--color-muted-light);
            line-height: 1.8;
            margin: 0 0 20px;
            max-width: 480px;
        }

        .cta-badges {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .cta-badges .badge {
            padding: 5px 12px;
            border-radius: 16px;
            font-size: 12px;
            font-weight: 500;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--color-border-light);
            color: var(--color-muted-light);
        }

        .cta-form-wrap {
            background: rgba(14, 16, 21, 0.8);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-card);
        }

        .cta-form-wrap h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-cream);
            margin: 0 0 20px;
        }

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

        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 500;
            color: var(--color-muted-light);
            margin-bottom: 6px;
        }

        .form-group input,
        .form-group select {
            width: 100%;
            padding: 12px 14px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-sm);
            color: var(--color-cream);
            font-size: 14px;
            transition: border-color var(--transition-base), background var(--transition-base);
        }

        .form-group input::placeholder {
            color: var(--color-muted);
        }

        .form-group input:focus,
        .form-group select:focus {
            border-color: var(--color-coral);
            background: rgba(255, 255, 255, 0.08);
        }

        .form-submit {
            width: 100%;
            padding: 13px 22px;
            background: var(--color-coral);
            color: #fff;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: background var(--transition-base), transform var(--transition-base);
            margin-top: 20px;
        }

        .form-submit:hover {
            background: var(--color-coral-dark);
        }

        .form-submit:active {
            background: var(--color-coral-deep);
            transform: translateY(0);
        }

        .site-footer {
            background: var(--color-carbon);
            border-top: 1px solid var(--color-border);
            padding: 56px 0 32px;
            margin-top: 72px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand h3 {
            font-size: 20px;
            font-weight: 800;
            color: var(--color-cream);
            margin: 0 0 12px;
        }

        .footer-brand h3 span {
            color: var(--color-coral);
        }

        .footer-brand p {
            font-size: 13px;
            color: var(--color-muted);
            line-height: 1.8;
            margin: 0;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-cream);
            margin: 0 0 14px;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul a {
            font-size: 13px;
            color: var(--color-muted);
            transition: color var(--transition-base);
        }

        .footer-col ul a:hover {
            color: var(--color-coral);
        }

        .footer-bottom {
            border-top: 1px solid var(--color-border);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: var(--color-muted);
        }

        .footer-bottom a {
            color: var(--color-muted);
            transition: color var(--transition-base);
        }

        .footer-bottom a:hover {
            color: var(--color-coral);
        }

        @media (max-width: 1024px) {
            .category-hero {
                grid-template-columns: 1fr;
                gap: 32px;
                padding: 40px 0 56px;
            }
            .category-hero h1 {
                font-size: 34px;
            }
            .hero-visual {
                min-height: 280px;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps {
                grid-template-columns: repeat(3, 1fr);
                gap: 12px;
            }
            .cta-section {
                grid-template-columns: 1fr;
                gap: 32px;
                padding: 40px 32px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            .container-wide {
                padding: 0 16px;
            }
            .container {
                padding: 0 16px;
            }
            .nav-wrapper {
                height: 60px;
            }
            .nav-links {
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(14, 16, 21, 0.97);
                backdrop-filter: blur(14px);
                padding: 20px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--color-border);
                transform: translateY(-120%);
                transition: transform var(--transition-smooth);
                z-index: 99;
                align-items: flex-start;
            }
            .nav-links.open {
                transform: translateY(0);
            }
            .nav-links a {
                width: 100%;
                padding: 12px 16px;
                font-size: 15px;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-badge {
                display: none;
            }
            .category-hero h1 {
                font-size: 28px;
            }
            .hero-visual {
                min-height: 220px;
            }
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .dual-feature {
                grid-template-columns: 1fr;
                gap: 24px;
                padding: 28px 0;
            }
            .dual-feature.reverse .feature-text {
                order: 1;
            }
            .dual-feature.reverse .feature-image {
                order: 2;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .metric-value {
                font-size: 28px;
            }
            .service-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .process-step {
                padding: 18px 12px;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 14px;
            }
            .faq-answer p {
                font-size: 13px;
            }
            .cta-section {
                padding: 28px 20px;
            }
            .cta-info h2 {
                font-size: 22px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            .metrics-grid {
                grid-template-columns: 1fr;
            }
            .process-steps {
                grid-template-columns: 1fr;
            }
            .category-hero {
                padding: 24px 0 36px;
            }
            .category-hero h1 {
                font-size: 24px;
            }
            .category-hero .hero-desc {
                font-size: 14px;
            }
            .section {
                padding: 32px 0;
            }
            .cta-section {
                padding: 20px 16px;
                border-radius: var(--radius-lg);
            }
            .hero-actions {
                flex-direction: column;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: category5 */
:root {
            --color-ink: #16181E;
            --color-carbon: #0E1015;
            --color-deep: #1D2027;
            --color-coral: #FF5A47;
            --color-coral-dark: #E84A3A;
            --color-coral-deep: #C93A2D;
            --color-amber: #D4A850;
            --color-amber-light: #E8C77B;
            --color-cream: #F5EFE6;
            --color-warm-gray: #E8E2D9;
            --color-muted: #9A948C;
            --color-muted-light: #B8B2A8;
            --color-border: rgba(255, 255, 255, 0.08);
            --color-border-light: rgba(255, 255, 255, 0.14);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 8px 32px rgba(0, 0, 0, 0.5);
            --font-sans: 'Inter', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --transition-base: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: var(--font-sans);
            background-color: var(--color-ink);
            color: var(--color-cream);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
        }

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

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

        button,
        input,
        select,
        textarea {
            font-family: var(--font-sans);
            font-size: 16px;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }

        button {
            cursor: pointer;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-wide {
            max-width: 1360px;
            margin: 0 auto;
            padding: 0 32px;
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(14, 16, 21, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--color-border);
            transition: box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 16px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--color-coral), var(--color-coral-dark));
            border-radius: var(--radius-md);
            font-weight: 800;
            font-size: 18px;
            color: #fff;
            letter-spacing: -1px;
        }

        .nav-logo-text {
            font-weight: 800;
            font-size: 20px;
            letter-spacing: -0.5px;
            color: var(--color-cream);
            white-space: nowrap;
        }

        .nav-logo-text span {
            color: var(--color-coral);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
        }

        .nav-links a {
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--color-muted-light);
            position: relative;
            white-space: nowrap;
            transition: color var(--transition-base), background var(--transition-base);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            width: 0;
            height: 2px;
            background: var(--color-coral);
            border-radius: 2px;
            transition: all var(--transition-base);
            transform: translateX(-50%);
        }

        .nav-links a:hover {
            color: var(--color-cream);
            background: rgba(255, 90, 71, 0.08);
        }

        .nav-links a:hover::after {
            width: 24px;
        }

        .nav-links a.active {
            color: var(--color-coral);
            background: rgba(255, 90, 71, 0.1);
        }

        .nav-links a.active::after {
            width: 24px;
        }

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

        .nav-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 12px;
            background: rgba(212, 168, 80, 0.12);
            border: 1px solid rgba(212, 168, 80, 0.3);
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-amber-light);
            white-space: nowrap;
        }

        .nav-badge-dot {
            width: 7px;
            height: 7px;
            background: #4ADE80;
            border-radius: 50%;
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.5);
            }
            50% {
                box-shadow: 0 0 0 6px rgba(74, 222, 128, 0);
            }
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 22px;
            background: var(--color-coral);
            color: #fff;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 14px;
            transition: background var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--color-coral-dark);
            box-shadow: 0 4px 16px rgba(255, 90, 71, 0.35);
        }

        .btn-primary:active {
            background: var(--color-coral-deep);
            transform: translateY(1px);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--color-amber);
            outline-offset: 2px;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 22px;
            background: transparent;
            color: var(--color-cream);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            font-weight: 500;
            font-size: 14px;
            transition: border-color var(--transition-base), background var(--transition-base), color var(--transition-base);
            white-space: nowrap;
        }

        .btn-secondary:hover {
            border-color: rgba(255, 90, 71, 0.6);
            background: rgba(255, 90, 71, 0.08);
            color: #fff;
        }

        .btn-secondary:focus-visible {
            outline: 2px solid var(--color-amber);
            outline-offset: 2px;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-border);
            transition: background var(--transition-base);
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--color-cream);
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        .nav-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

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

        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* Page breadcrumb */
        .breadcrumb-bar {
            background: var(--color-carbon);
            border-bottom: 1px solid var(--color-border);
            padding: 14px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-muted);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--color-muted-light);
            transition: color var(--transition-base);
        }

        .breadcrumb a:hover {
            color: var(--color-coral);
        }

        .breadcrumb .separator {
            color: var(--color-muted);
        }

        .breadcrumb .current {
            color: var(--color-amber-light);
            font-weight: 600;
        }

        /* Category page header */
        .category-header {
            padding: 64px 0 48px;
            background: var(--color-carbon);
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--color-border);
        }

        .category-header::before {
            content: '';
            position: absolute;
            top: -180px;
            right: -120px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(255, 90, 71, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .category-header-inner {
            position: relative;
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
        }

        .category-header-text {
            max-width: 680px;
            flex: 1;
            min-width: 280px;
        }

        .category-header-text h1 {
            font-size: 36px;
            font-weight: 800;
            letter-spacing: -1px;
            line-height: 1.3;
            color: var(--color-cream);
            margin: 0 0 12px;
        }

        .category-header-text h1 em {
            color: var(--color-coral);
            font-style: normal;
        }

        .category-header-text .lead {
            font-size: 16px;
            color: var(--color-muted-light);
            line-height: 1.8;
            max-width: 620px;
            margin: 0 0 20px;
        }

        .header-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .header-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 500;
            padding: 5px 12px;
            border-radius: 20px;
            background: rgba(255, 90, 71, 0.08);
            color: var(--color-coral);
            border: 1px solid rgba(255, 90, 71, 0.2);
        }

        .header-tag.gold {
            background: rgba(212, 168, 80, 0.1);
            color: var(--color-amber-light);
            border-color: rgba(212, 168, 80, 0.28);
        }

        .header-promo-card {
            flex-shrink: 0;
            width: 320px;
            background: var(--color-deep);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-xl);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
        }

        .header-promo-card .promo-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-cream);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .header-promo-card .promo-title i {
            color: var(--color-amber);
            font-size: 20px;
        }

        .header-promo-card p {
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.7;
            margin: 0 0 16px;
        }

        .header-promo-card .promo-stats {
            display: flex;
            gap: 16px;
            margin-bottom: 16px;
        }

        .header-promo-card .promo-stats .stat {
            flex: 1;
            text-align: center;
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-sm);
            padding: 10px 8px;
        }

        .header-promo-card .promo-stats .stat .num {
            font-size: 22px;
            font-weight: 800;
            color: var(--color-amber);
            display: block;
            letter-spacing: -0.5px;
        }

        .header-promo-card .promo-stats .stat .label {
            font-size: 11px;
            color: var(--color-muted);
        }

        /* Section common */
        .section {
            padding: 80px 0;
        }

        .section-alt {
            background: var(--color-carbon);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .section-heading {
            margin-bottom: 48px;
        }

        .section-heading h2 {
            font-size: 30px;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: var(--color-cream);
            margin: 0 0 12px;
            line-height: 1.35;
        }

        .section-heading h2 em {
            color: var(--color-coral);
            font-style: normal;
        }

        .section-heading .subtitle {
            font-size: 15px;
            color: var(--color-muted);
            line-height: 1.8;
            max-width: 680px;
            margin: 0;
        }

        /* Benefits grid */
        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 24px;
        }

        .benefit-card {
            border-radius: var(--radius-lg);
            background: var(--color-deep);
            border: 1px solid var(--color-border);
            padding: 28px 24px;
            transition: border-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .benefit-card:hover {
            border-color: rgba(255, 90, 71, 0.4);
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
        }

        .benefit-card.col-span-4 {
            grid-column: span 4;
        }

        .benefit-card.col-span-6 {
            grid-column: span 6;
        }

        .benefit-card.col-span-8 {
            grid-column: span 8;
        }

        .benefit-card.col-span-12 {
            grid-column: span 12;
        }

        .benefit-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: rgba(255, 90, 71, 0.12);
            font-size: 20px;
            color: var(--color-coral);
            margin-bottom: 16px;
        }

        .benefit-icon.amber {
            background: rgba(212, 168, 80, 0.12);
            color: var(--color-amber);
        }

        .benefit-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-cream);
            margin: 0 0 10px;
            line-height: 1.4;
        }

        .benefit-card p {
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.75;
            margin: 0;
        }

        .benefit-card .benefit-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 14px;
            flex-wrap: wrap;
        }

        .benefit-card .benefit-meta span {
            font-size: 12px;
            color: var(--color-muted-light);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .benefit-card .benefit-meta span i {
            color: var(--color-amber);
            font-size: 12px;
        }

        .benefit-image-wrap {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-top: 16px;
            aspect-ratio: 16/9;
        }

        .benefit-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

        .benefit-card:hover .benefit-image-wrap img {
            transform: scale(1.04);
        }

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

        .tier-card {
            background: var(--color-deep);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            position: relative;
            transition: border-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
        }

        .tier-card:hover {
            border-color: rgba(255, 90, 71, 0.35);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }

        .tier-card.featured {
            border-color: rgba(212, 168, 80, 0.4);
            background: linear-gradient(180deg, rgba(212, 168, 80, 0.06) 0%, var(--color-deep) 60%);
        }

        .tier-badge {
            display: inline-block;
            font-size: 11px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            padding: 4px 12px;
            border-radius: 20px;
            background: rgba(255, 90, 71, 0.12);
            color: var(--color-coral);
            margin-bottom: 16px;
        }

        .tier-card.featured .tier-badge {
            background: rgba(212, 168, 80, 0.15);
            color: var(--color-amber-light);
        }

        .tier-card h3 {
            font-size: 22px;
            font-weight: 800;
            color: var(--color-cream);
            margin: 0 0 4px;
            letter-spacing: -0.3px;
        }

        .tier-card .tier-price {
            font-size: 28px;
            font-weight: 800;
            color: var(--color-amber);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .tier-card .tier-price span {
            font-size: 14px;
            font-weight: 500;
            color: var(--color-muted);
        }

        .tier-card ul {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
        }

        .tier-card ul li {
            font-size: 14px;
            color: var(--color-muted-light);
            padding: 8px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .tier-card ul li:last-child {
            border-bottom: none;
        }

        .tier-card ul li i {
            color: var(--color-coral);
            font-size: 13px;
            flex-shrink: 0;
        }

        .tier-card.featured ul li i {
            color: var(--color-amber);
        }

        /* Points / growth section */
        .points-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .point-item {
            background: var(--color-deep);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 20px 16px;
            text-align: center;
            transition: border-color var(--transition-base), transform var(--transition-base);
        }

        .point-item:hover {
            border-color: rgba(255, 90, 71, 0.35);
            transform: translateY(-2px);
        }

        .point-item .point-num {
            font-size: 32px;
            font-weight: 800;
            color: var(--color-coral);
            letter-spacing: -1px;
            display: block;
            margin-bottom: 4px;
        }

        .point-item .point-label {
            font-size: 13px;
            color: var(--color-muted-light);
            font-weight: 500;
        }

        /* FAQ */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--color-border);
            padding: 8px 0;
        }

        .faq-item:first-child {
            border-top: 1px solid var(--color-border);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 0;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-cream);
            transition: color var(--transition-base);
        }

        .faq-question:hover {
            color: var(--color-coral);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--color-amber);
            transition: transform var(--transition-base), background var(--transition-base);
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
            background: rgba(255, 90, 71, 0.15);
            color: var(--color-coral);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 0;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-bottom: 20px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.8;
            margin: 0;
        }

        /* CTA banner */
        .cta-banner-section {
            padding: 72px 0 96px;
            background: var(--color-carbon);
            border-top: 1px solid var(--color-border);
        }

        .cta-banner {
            background: linear-gradient(135deg, var(--color-deep) 0%, #2A1A18 100%);
            border: 1px solid rgba(255, 90, 71, 0.25);
            border-radius: var(--radius-xl);
            padding: 56px 48px;
            position: relative;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle, rgba(255, 90, 71, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-banner::after {
            content: '';
            position: absolute;
            bottom: -90px;
            left: 30%;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(212, 168, 80, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-banner-text {
            position: relative;
            z-index: 1;
            flex: 1;
            min-width: 280px;
        }

        .cta-banner-text h2 {
            font-size: 32px;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: var(--color-cream);
            margin: 0 0 12px;
            line-height: 1.35;
        }

        .cta-banner-text h2 em {
            color: var(--color-amber);
            font-style: normal;
        }

        .cta-banner-text p {
            font-size: 15px;
            color: var(--color-muted-light);
            line-height: 1.8;
            margin: 0 0 20px;
            max-width: 520px;
        }

        .cta-banner-actions {
            position: relative;
            z-index: 1;
            display: flex;
            flex-direction: column;
            gap: 12px;
            flex-shrink: 0;
        }

        .cta-banner-actions .btn-primary {
            font-size: 16px;
            padding: 14px 32px;
            border-radius: var(--radius-md);
            justify-content: center;
        }

        .cta-banner-actions .btn-secondary {
            font-size: 14px;
            justify-content: center;
        }

        .cta-note {
            font-size: 12px;
            color: var(--color-muted);
            margin-top: 4px;
            text-align: center;
        }

        /* Footer */
        .site-footer {
            background: var(--color-carbon);
            border-top: 1px solid var(--color-border);
            padding: 56px 0 32px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand h3 {
            font-size: 20px;
            font-weight: 800;
            color: var(--color-cream);
            margin: 0 0 10px;
            letter-spacing: -0.5px;
        }

        .footer-brand h3 span {
            color: var(--color-coral);
        }

        .footer-brand p {
            font-size: 13px;
            color: var(--color-muted);
            line-height: 1.8;
            margin: 0;
            max-width: 340px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-cream);
            margin: 0 0 14px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            font-size: 13px;
            color: var(--color-muted);
            transition: color var(--transition-base);
        }

        .footer-col ul li a:hover {
            color: var(--color-coral);
        }

        .footer-bottom {
            border-top: 1px solid var(--color-border);
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 12px;
            color: var(--color-muted);
        }

        .footer-bottom a {
            color: var(--color-muted-light);
            transition: color var(--transition-base);
        }

        .footer-bottom a:hover {
            color: var(--color-coral);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .container-wide {
                padding: 0 24px;
            }

            .nav-links {
                gap: 0;
            }

            .nav-links a {
                padding: 8px 10px;
                font-size: 13px;
            }

            .nav-badge {
                display: none;
            }

            .benefit-card.col-span-4,
            .benefit-card.col-span-6,
            .benefit-card.col-span-8 {
                grid-column: span 6;
            }

            .tier-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .tier-card:last-child {
                grid-column: span 2;
            }

            .points-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .cta-banner {
                padding: 40px 32px;
            }

            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr;
            }

            .footer-brand {
                grid-column: span 3;
            }
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }

            .nav-links {
                position: fixed;
                top: 68px;
                left: 0;
                right: 0;
                background: var(--color-carbon);
                flex-direction: column;
                align-items: stretch;
                padding: 16px 24px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--color-border);
                transform: translateY(-120%);
                transition: transform var(--transition-smooth);
                z-index: 99;
            }

            .nav-links.mobile-open {
                transform: translateY(0);
            }

            .nav-links a {
                padding: 14px 12px;
                font-size: 16px;
                border-radius: var(--radius-sm);
                border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            }

            .nav-links a::after {
                display: none;
            }

            .nav-cta-wrapper .btn-primary {
                padding: 10px 14px;
                font-size: 13px;
                gap: 4px;
            }

            .nav-cta-wrapper .btn-primary i {
                display: none;
            }

            .category-header {
                padding: 40px 0 36px;
            }

            .category-header-text h1 {
                font-size: 28px;
            }

            .header-promo-card {
                width: 100%;
            }

            .section {
                padding: 56px 0;
            }

            .section-heading h2 {
                font-size: 24px;
            }

            .benefit-card.col-span-4,
            .benefit-card.col-span-6,
            .benefit-card.col-span-8,
            .benefit-card.col-span-12 {
                grid-column: span 12;
            }

            .tier-grid {
                grid-template-columns: 1fr;
            }

            .tier-card:last-child {
                grid-column: span 1;
            }

            .points-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .cta-banner {
                padding: 32px 24px;
                flex-direction: column;
                text-align: center;
            }

            .cta-banner-text h2 {
                font-size: 24px;
            }

            .cta-banner-actions {
                width: 100%;
                max-width: 320px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .footer-brand {
                grid-column: span 1;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            .container,
            .container-wide {
                padding: 0 16px;
            }

            .nav-logo-text {
                font-size: 17px;
            }

            .nav-logo-icon {
                width: 34px;
                height: 34px;
                font-size: 15px;
            }

            .category-header-text h1 {
                font-size: 24px;
            }

            .category-header-text .lead {
                font-size: 14px;
            }

            .section-heading h2 {
                font-size: 22px;
            }

            .points-grid {
                grid-template-columns: 1fr;
            }

            .benefit-card {
                padding: 20px 16px;
            }

            .benefit-card h3 {
                font-size: 16px;
            }

            .tier-card {
                padding: 24px 18px;
            }

            .cta-banner {
                border-radius: var(--radius-lg);
            }

            .breadcrumb {
                font-size: 12px;
            }
        }