/* roulang page: index */
:root {
            --ink: #111113;
            --ink2: #1A1A1C;
            --ink3: #1E1E20;
            --cream: #F5F4F0;
            --cream2: #F7F6F2;
            --acid: #C8FF00;
            --acid-dark: #B3E600;
            --ember: #E84A2A;
            --text-light: #F5F4F0;
            --text-dark: #1A1A1C;
            --text-muted-dark: #6B6B70;
            --text-muted-light: #8A8A8E;
            --border-dark: rgba(255, 255, 255, 0.10);
            --border-light: rgba(0, 0, 0, 0.08);
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 10px;
            --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
            --transition-fast: 200ms ease;
            --transition-smooth: 300ms ease;
            --container-max: 1280px;
            --section-gap: 96px;
            --section-gap-mobile: 56px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
            line-height: 1.75;
            color: var(--text-dark);
            background-color: var(--cream);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast), opacity var(--transition-fast);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background-color: rgba(17, 17, 19, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-dark);
            transition: background-color var(--transition-smooth), box-shadow var(--transition-smooth);
        }

        .site-header.scrolled {
            background-color: rgba(17, 17, 19, 0.98);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.3);
        }

        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            height: 64px;
            padding: 0 24px;
            max-width: var(--container-max);
            margin: 0 auto;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .nav-logo-icon {
            width: 28px;
            height: 28px;
            background-color: var(--acid);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 15px;
            color: var(--ink);
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }

        .nav-logo-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-light);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }

        .nav-logo-text span {
            color: var(--acid);
        }

        .nav-channels {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .nav-channels::-webkit-scrollbar {
            display: none;
        }

        .nav-channel-link {
            display: inline-flex;
            align-items: center;
            padding: 6px 12px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted-dark);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: color var(--transition-fast), background-color var(--transition-fast);
            position: relative;
        }

        .nav-channel-link:hover {
            color: var(--acid);
            background-color: rgba(200, 255, 0, 0.06);
        }

        .nav-channel-link.active {
            color: var(--acid);
            background-color: rgba(200, 255, 0, 0.08);
        }

        .nav-channel-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 12px;
            right: 12px;
            height: 2px;
            background-color: var(--acid);
            border-radius: 1px;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-search {
            display: flex;
            align-items: center;
            gap: 6px;
            background-color: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-sm);
            padding: 6px 10px;
            width: 160px;
            transition: border-color var(--transition-fast), background-color var(--transition-fast);
        }

        .nav-search:focus-within {
            border-color: var(--acid);
            background-color: rgba(255, 255, 255, 0.08);
        }

        .nav-search svg {
            width: 14px;
            height: 14px;
            color: var(--text-muted-dark);
            flex-shrink: 0;
        }

        .nav-search input {
            background: none;
            border: none;
            outline: none;
            color: var(--text-light);
            font-size: 13px;
            width: 100%;
            min-width: 0;
        }

        .nav-search input::placeholder {
            color: var(--text-muted-dark);
        }

        .nav-login {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-light);
            padding: 6px 14px;
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-sm);
            transition: border-color var(--transition-fast), color var(--transition-fast);
            white-space: nowrap;
        }

        .nav-login:hover {
            border-color: var(--acid);
            color: var(--acid);
        }

        .nav-cta {
            font-size: 14px;
            font-weight: 700;
            color: var(--ink);
            background-color: var(--acid);
            padding: 7px 16px;
            border-radius: var(--radius-sm);
            transition: background-color var(--transition-fast), transform var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }

        .nav-cta:hover {
            background-color: var(--acid-dark);
            transform: translateY(-1px);
        }

        .nav-cta:active {
            transform: translateY(0);
        }

        .nav-hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            padding: 8px;
            cursor: pointer;
        }

        .nav-hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background-color: var(--text-light);
            border-radius: 1px;
            transition: var(--transition-fast);
        }

        .mobile-menu {
            display: none;
            background-color: var(--ink);
            border-top: 1px solid var(--border-dark);
            padding: 12px 24px 20px;
        }

        .mobile-menu.open {
            display: block;
        }

        .mobile-menu a {
            display: block;
            padding: 10px 8px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-muted-dark);
            border-bottom: 1px solid var(--border-dark);
            transition: color var(--transition-fast);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--acid);
        }

        /* Hero */
        .hero-section {
            position: relative;
            background-color: var(--ink);
            padding-top: 64px;
            overflow: hidden;
            min-height: 100vh;
            display: flex;
            align-items: center;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
            z-index: 0;
        }

        .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(17, 17, 19, 0.85) 0%, rgba(17, 17, 19, 0.55) 40%, rgba(17, 17, 19, 0.75) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            gap: 48px;
            width: 100%;
            padding: 48px 24px 64px;
            max-width: var(--container-max);
            margin: 0 auto;
        }

        .hero-text {
            flex: 1;
            min-width: 0;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--acid);
            background-color: rgba(200, 255, 0, 0.1);
            border: 1px solid rgba(200, 255, 0, 0.25);
            border-radius: 20px;
            padding: 4px 14px;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
        }

        .hero-badge-dot {
            width: 6px;
            height: 6px;
            background-color: var(--acid);
            border-radius: 50%;
            animation: pulse-dot 2s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.4);
            }
        }

        .hero-title {
            font-size: 56px;
            font-weight: 800;
            color: var(--text-light);
            line-height: 1.15;
            letter-spacing: -1px;
            margin-bottom: 20px;
        }

        .hero-title .highlight {
            color: var(--acid);
            font-weight: 800;
        }

        .hero-subtitle {
            font-size: 17px;
            font-weight: 400;
            color: var(--text-muted-dark);
            line-height: 1.8;
            max-width: 540px;
            margin-bottom: 32px;
        }

        .hero-cta-group {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 36px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 700;
            color: var(--ink);
            background-color: var(--acid);
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            transition: background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            letter-spacing: 0.3px;
            border: 1px solid var(--acid);
        }

        .btn-primary:hover {
            background-color: var(--acid-dark);
            border-color: var(--acid-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(200, 255, 0, 0.25);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-light);
            background-color: transparent;
            border: 1px solid var(--border-dark);
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            transition: border-color var(--transition-fast), color var(--transition-fast), background-color var(--transition-fast);
        }

        .btn-secondary:hover {
            border-color: var(--acid);
            color: var(--acid);
            background-color: rgba(200, 255, 0, 0.05);
        }

        .hero-metrics {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
        }

        .hero-metric {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .hero-metric-value {
            font-size: 30px;
            font-weight: 800;
            font-family: 'ui-monospace', 'SFMono-Regular', 'Menlo', monospace;
            color: var(--acid);
            letter-spacing: -0.5px;
            line-height: 1.2;
        }

        .hero-metric-label {
            font-size: 13px;
            color: var(--text-muted-dark);
            font-weight: 500;
        }

        .hero-visual {
            flex-shrink: 0;
            width: 280px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-phone-card {
            width: 240px;
            aspect-ratio: 9/16;
            background-color: var(--ink2);
            border: 1px solid var(--border-dark);
            border-radius: 16px;
            overflow: hidden;
            position: relative;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
            display: flex;
            flex-direction: column;
        }

        .hero-phone-img {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/coverpic/cover-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.6;
        }

        .hero-phone-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(17, 17, 19, 0.3) 0%, rgba(17, 17, 19, 0.85) 100%);
            z-index: 1;
        }

        .hero-phone-content {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            height: 100%;
            padding: 16px;
            gap: 8px;
        }

        .hero-phone-tag {
            font-size: 10px;
            font-weight: 700;
            color: var(--ink);
            background-color: var(--acid);
            padding: 3px 10px;
            border-radius: 20px;
            align-self: flex-start;
            letter-spacing: 0.5px;
        }

        .hero-phone-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-light);
            line-height: 1.4;
        }

        .hero-phone-stats {
            display: flex;
            gap: 10px;
            font-size: 11px;
            color: var(--text-muted-dark);
        }

        .hero-phone-stats span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .hero-phone-btn {
            font-size: 12px;
            font-weight: 700;
            color: var(--acid);
            display: flex;
            align-items: center;
            gap: 4px;
            cursor: pointer;
            transition: color var(--transition-fast);
        }

        .hero-phone-btn:hover {
            color: var(--acid-dark);
        }

        /* Section general */
        .section {
            padding: var(--section-gap) 0;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 700;
            color: var(--acid);
            letter-spacing: 0.8px;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-label::before {
            content: '';
            width: 20px;
            height: 2px;
            background-color: var(--acid);
            border-radius: 1px;
        }

        .section-title {
            font-size: 36px;
            font-weight: 800;
            color: var(--text-dark);
            line-height: 1.25;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
        }

        .section-title.light {
            color: var(--text-light);
        }

        .section-desc {
            font-size: 16px;
            font-weight: 400;
            color: var(--text-muted-light);
            line-height: 1.8;
            max-width: 620px;
            margin-bottom: 32px;
        }

        .section-desc.dark-bg {
            color: var(--text-muted-dark);
        }

        /* Progress section */
        .progress-section {
            background-color: var(--cream2);
        }

        .progress-card {
            background-color: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-card);
            max-width: 900px;
        }

        .progress-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 16px;
        }

        .progress-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-dark);
        }

        .progress-percent {
            font-size: 30px;
            font-weight: 800;
            font-family: 'ui-monospace', 'SFMono-Regular', 'Menlo', monospace;
            color: var(--ink);
            letter-spacing: -0.5px;
        }

        .progress-bar-wrap {
            background-color: #e8e6e0;
            border-radius: 10px;
            height: 12px;
            overflow: hidden;
            margin-bottom: 16px;
        }

        .progress-bar-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--acid) 0%, #aee600 100%);
            border-radius: 10px;
            transition: width 1s ease;
            width: 67%;
        }

        .progress-info {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            font-size: 14px;
            color: var(--text-muted-light);
            font-weight: 500;
        }

        .progress-info strong {
            color: var(--text-dark);
            font-weight: 700;
            font-family: 'ui-monospace', 'SFMono-Regular', 'Menlo', monospace;
        }

        /* Services asymmetric grid */
        .services-section {
            background-color: var(--ink);
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 16px;
            margin-top: 32px;
        }

        .service-card {
            background-color: var(--ink3);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            padding: 24px;
            transition: transform var(--transition-smooth), border-color var(--transition-fast), box-shadow var(--transition-smooth);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .service-card:hover {
            transform: translateY(-3px);
            border-color: rgba(200, 255, 0, 0.3);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
        }

        .service-card.col-span-4 {
            grid-column: span 4;
        }
        .service-card.col-span-5 {
            grid-column: span 5;
        }
        .service-card.col-span-7 {
            grid-column: span 7;
        }
        .service-card.col-span-6 {
            grid-column: span 6;
        }
        .service-card.col-span-8 {
            grid-column: span 8;
        }
        .service-card.col-span-12 {
            grid-column: span 12;
        }

        .service-card-img {
            width: 100%;
            aspect-ratio: 16/9;
            border-radius: var(--radius-md);
            overflow: hidden;
            background-color: #2a2a2d;
            flex-shrink: 0;
        }

        .service-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

        .service-card:hover .service-card-img img {
            transform: scale(1.03);
        }

        .service-card-tag {
            font-size: 12px;
            font-weight: 700;
            color: var(--acid);
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }

        .service-card-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-light);
            line-height: 1.4;
        }

        .service-card-desc {
            font-size: 14px;
            color: var(--text-muted-dark);
            line-height: 1.7;
            flex: 1;
        }

        .service-card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--acid);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition-fast), color var(--transition-fast);
            align-self: flex-start;
        }

        .service-card-link:hover {
            gap: 10px;
            color: var(--acid-dark);
        }

        .service-card-horizontal {
            flex-direction: row;
            align-items: center;
        }
        .service-card-horizontal .service-card-img {
            width: 120px;
            aspect-ratio: 1/1;
            flex-shrink: 0;
        }
        .service-card-horizontal .service-card-body {
            flex: 1;
        }

        /* Compare section */
        .compare-section {
            background-color: var(--cream);
        }

        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-top: 32px;
        }

        .compare-card {
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid var(--border-light);
            transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
        }

        .compare-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
        }

        .compare-card.advantage {
            background-color: #fff;
            border-left: 4px solid var(--acid);
        }

        .compare-card.traditional {
            background-color: #f0efeb;
            border-left: 4px solid var(--ember);
        }

        .compare-card-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .compare-badge {
            font-size: 11px;
            font-weight: 700;
            padding: 2px 10px;
            border-radius: 20px;
            letter-spacing: 0.5px;
        }

        .compare-badge.advantage {
            background-color: rgba(200, 255, 0, 0.2);
            color: #5a7a00;
        }
        .compare-badge.traditional {
            background-color: rgba(232, 74, 42, 0.12);
            color: var(--ember);
        }

        .compare-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .compare-list li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted-light);
            line-height: 1.6;
        }

        .compare-list li::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            flex-shrink: 0;
            margin-top: 8px;
        }

        .compare-card.advantage .compare-list li::before {
            background-color: var(--acid);
        }
        .compare-card.traditional .compare-list li::before {
            background-color: var(--ember);
        }

        .compare-bar-wrap {
            margin-top: 16px;
        }

        .compare-bar-item {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 10px;
            font-size: 13px;
            color: var(--text-muted-light);
        }

        .compare-bar-item .bar-label {
            width: 80px;
            flex-shrink: 0;
            font-weight: 600;
        }

        .compare-bar-item .bar-track {
            flex: 1;
            height: 8px;
            background-color: #e0ded8;
            border-radius: 4px;
            overflow: hidden;
        }

        .compare-bar-item .bar-fill {
            height: 100%;
            border-radius: 4px;
            transition: width 0.8s ease;
        }

        .bar-fill.acid {
            background-color: var(--acid);
        }
        .bar-fill.ember {
            background-color: var(--ember);
        }
        .bar-fill.muted {
            background-color: #a0a0a5;
        }

        /* Tiers section */
        .tiers-section {
            background-color: var(--cream2);
        }

        .tiers-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 32px;
        }

        .tier-card {
            background-color: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 28px;
            display: flex;
            flex-direction: column;
            gap: 14px;
            transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-fast);
            position: relative;
        }

        .tier-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(200, 255, 0, 0.4);
        }

        .tier-card.featured {
            border-color: var(--acid);
            border-width: 2px;
        }

        .tier-flag {
            position: absolute;
            top: -12px;
            right: 20px;
            font-size: 12px;
            font-weight: 700;
            color: var(--ink);
            background-color: var(--acid);
            padding: 3px 12px;
            border-radius: 20px;
            letter-spacing: 0.5px;
        }

        .tier-name {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-dark);
        }

        .tier-price {
            font-size: 34px;
            font-weight: 800;
            font-family: 'ui-monospace', 'SFMono-Regular', 'Menlo', monospace;
            color: var(--ink);
            letter-spacing: -0.5px;
            display: flex;
            align-items: baseline;
            gap: 6px;
        }

        .tier-price-sub {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted-light);
            font-family: 'PingFang SC', 'Noto Sans SC', sans-serif;
        }

        .tier-desc {
            font-size: 14px;
            color: var(--text-muted-light);
            line-height: 1.7;
        }

        .tier-features {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .tier-features li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted-light);
            line-height: 1.6;
        }

        .tier-features li::before {
            content: '✓';
            color: var(--acid);
            font-weight: 700;
            flex-shrink: 0;
            font-size: 13px;
            margin-top: 1px;
        }

        .tier-btn {
            margin-top: auto;
            text-align: center;
            font-size: 14px;
            font-weight: 700;
            color: var(--ink);
            background-color: var(--acid);
            padding: 10px 16px;
            border-radius: var(--radius-sm);
            transition: background-color var(--transition-fast), transform var(--transition-fast);
            border: 1px solid var(--acid);
        }

        .tier-btn:hover {
            background-color: var(--acid-dark);
            transform: translateY(-1px);
        }

        .tier-btn.outline {
            background-color: transparent;
            color: var(--text-dark);
            border-color: var(--border-light);
        }
        .tier-btn.outline:hover {
            border-color: var(--acid);
            color: #5a7a00;
            background-color: rgba(200, 255, 0, 0.08);
        }

        /* Deep content sections */
        .deep-section {
            background-color: var(--cream);
        }

        .deep-section.alt {
            background-color: var(--ink);
        }

        .deep-article {
            max-width: 820px;
        }

        .deep-article h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 16px;
            line-height: 1.4;
        }

        .deep-section.alt .deep-article h3 {
            color: var(--text-light);
        }

        .deep-article p {
            font-size: 15px;
            font-weight: 400;
            color: var(--text-muted-light);
            line-height: 1.85;
            margin-bottom: 16px;
        }

        .deep-section.alt .deep-article p {
            color: var(--text-muted-dark);
        }

        .deep-article ul {
            list-style: none;
            margin-bottom: 16px;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .deep-article ul li {
            font-size: 15px;
            color: var(--text-muted-light);
            line-height: 1.7;
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }

        .deep-section.alt .deep-article ul li {
            color: var(--text-muted-dark);
        }

        .deep-article ul li::before {
            content: '';
            width: 8px;
            height: 8px;
            background-color: var(--acid);
            border-radius: 2px;
            flex-shrink: 0;
            margin-top: 8px;
        }

        .deep-article .data-quote {
            font-size: 28px;
            font-weight: 800;
            font-family: 'ui-monospace', 'SFMono-Regular', 'Menlo', monospace;
            color: var(--acid);
            letter-spacing: -0.5px;
            margin: 16px 0;
            padding-left: 16px;
            border-left: 3px solid var(--acid);
        }

        /* Supporters wall */
        .supporters-section {
            background-color: var(--cream2);
        }

        .supporters-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 14px;
            margin-top: 32px;
        }

        .supporter-card {
            background-color: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 16px 12px;
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 6px;
            transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
        }

        .supporter-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-card);
        }

        .supporter-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: var(--ink3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            color: var(--acid);
            margin-bottom: 4px;
        }

        .supporter-name {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-dark);
        }

        .supporter-tier {
            font-size: 11px;
            color: var(--text-muted-light);
            font-weight: 500;
        }

        /* News section */
        .news-section {
            background-color: var(--cream);
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            margin-top: 24px;
            border-top: 1px solid var(--border-light);
        }

        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            padding: 20px 4px;
            border-bottom: 1px solid var(--border-light);
            transition: background-color var(--transition-fast), padding-left var(--transition-fast);
            border-radius: var(--radius-sm);
        }

        .news-item:hover {
            background-color: rgba(0, 0, 0, 0.02);
            padding-left: 12px;
        }

        .news-date {
            flex-shrink: 0;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-muted-light);
            font-family: 'ui-monospace', 'SFMono-Regular', 'Menlo', monospace;
            padding-top: 2px;
            min-width: 72px;
        }

        .news-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .news-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.5;
            transition: color var(--transition-fast);
        }

        .news-item:hover .news-title {
            color: #5a7a00;
        }

        .news-summary {
            font-size: 14px;
            color: var(--text-muted-light);
            line-height: 1.7;
        }

        .news-readmore {
            font-size: 13px;
            font-weight: 600;
            color: var(--ink);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            align-self: flex-start;
            padding: 4px 12px;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            transition: border-color var(--transition-fast), color var(--transition-fast), background-color var(--transition-fast);
        }

        .news-readmore:hover {
            border-color: var(--acid);
            color: #5a7a00;
            background-color: rgba(200, 255, 0, 0.08);
        }

        /* Brand section */
        .brand-section {
            background-color: var(--ink);
        }

        .brand-text {
            font-size: 16px;
            font-weight: 400;
            color: var(--text-muted-dark);
            line-height: 1.9;
            max-width: 780px;
        }

        .brand-name {
            font-weight: 700;
            color: var(--acid);
        }

        /* Scenario demo */
        .scenario-section {
            background-color: var(--cream2);
        }

        .scenario-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            margin-top: 32px;
            align-items: center;
        }

        .scenario-visual {
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 16/10;
            background-color: var(--ink3);
            border: 1px solid var(--border-light);
        }

        .scenario-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .scenario-steps {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .scenario-step {
            display: flex;
            align-items: flex-start;
            gap: 14px;
        }

        .scenario-step-num {
            width: 32px;
            height: 32px;
            background-color: var(--acid);
            color: var(--ink);
            font-weight: 800;
            font-size: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }

        .scenario-step-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 4px;
        }

        .scenario-step-desc {
            font-size: 14px;
            color: var(--text-muted-light);
            line-height: 1.7;
        }

        /* Onboarding */
        .onboarding-section {
            background-color: var(--cream);
        }

        .onboarding-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 32px;
        }

        .onboarding-card {
            background-color: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
        }

        .onboarding-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-card);
        }

        .onboarding-num {
            font-size: 32px;
            font-weight: 800;
            font-family: 'ui-monospace', 'SFMono-Regular', 'Menlo', monospace;
            color: var(--acid);
            letter-spacing: -0.5px;
            line-height: 1;
        }

        .onboarding-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-dark);
        }

        .onboarding-desc {
            font-size: 14px;
            color: var(--text-muted-light);
            line-height: 1.7;
        }

        /* FAQ */
        .faq-section {
            background-color: var(--cream2);
        }

        .faq-list {
            max-width: 780px;
            margin-top: 32px;
        }

        .faq-item {
            border-bottom: 1px solid var(--border-light);
            padding: 0;
        }

        .faq-question {
            width: 100%;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-dark);
            padding: 18px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            text-align: left;
            transition: color var(--transition-fast);
            background: none;
            border: none;
            cursor: pointer;
        }

        .faq-question:hover {
            color: #5a7a00;
        }

        .faq-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            border: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--text-muted-light);
            transition: transform var(--transition-smooth), border-color var(--transition-fast), color var(--transition-fast);
            flex-shrink: 0;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            border-color: var(--acid);
            color: #5a7a00;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 300ms ease;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--text-muted-light);
            line-height: 1.8;
            padding-bottom: 18px;
            padding-right: 40px;
        }

        /* Form section */
        .form-section {
            background-color: var(--ink);
        }

        .form-card {
            background-color: var(--ink2);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            padding: 36px;
            max-width: 680px;
            margin: 0 auto;
            margin-top: 32px;
        }

        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-bottom: 16px;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .form-group.full {
            grid-column: span 2;
        }

        .form-group label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-muted-dark);
            letter-spacing: 0.3px;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            background-color: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            font-size: 14px;
            color: var(--text-light);
            transition: border-color var(--transition-fast), background-color var(--transition-fast);
            width: 100%;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--acid);
            background-color: rgba(255, 255, 255, 0.07);
            outline: none;
        }

        .form-group input::placeholder,
        .form-group textarea::placeholder {
            color: var(--text-muted-dark);
        }

        .form-group select {
            appearance: none;
            -webkit-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='%236B6B70' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
            padding-right: 32px;
        }

        .form-group select option {
            background-color: var(--ink2);
            color: var(--text-light);
        }

        .form-submit {
            width: 100%;
            font-size: 15px;
            font-weight: 700;
            color: var(--ink);
            background-color: var(--acid);
            padding: 13px 24px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--acid);
            transition: background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            letter-spacing: 0.3px;
            margin-top: 8px;
        }

        .form-submit:hover {
            background-color: var(--acid-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(200, 255, 0, 0.25);
        }

        .form-submit:active {
            transform: translateY(0);
        }

        .form-note {
            font-size: 12px;
            color: var(--text-muted-dark);
            text-align: center;
            margin-top: 12px;
            line-height: 1.6;
        }

        /* Footer */
        .site-footer {
            background-color: #0c0c0e;
            border-top: 1px solid var(--border-dark);
            padding: 48px 0 32px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-logo-icon {
            width: 24px;
            height: 24px;
            background-color: var(--acid);
            border-radius: 4px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 800;
            color: var(--ink);
        }

        .footer-logo-text {
            font-size: 18px;
            font-weight: 800;
            color: var(--text-light);
        }

        .footer-logo-text span {
            color: var(--acid);
        }

        .footer-desc {
            font-size: 13px;
            color: var(--text-muted-dark);
            line-height: 1.7;
            max-width: 280px;
        }

        .footer-col-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 12px;
        }

        .footer-col a {
            display: block;
            font-size: 13px;
            color: var(--text-muted-dark);
            padding: 4px 0;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--acid);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-dark);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-muted-dark);
        }

        .footer-bottom a {
            color: var(--text-muted-dark);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--acid);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            :root {
                --section-gap: 72px;
            }
            .nav-channels {
                display: none;
            }
            .nav-hamburger {
                display: flex;
            }
            .nav-search {
                width: 120px;
            }
            .hero-content {
                gap: 32px;
                flex-direction: column;
                align-items: flex-start;
            }
            .hero-visual {
                width: 200px;
                align-self: center;
            }
            .hero-title {
                font-size: 40px;
            }
            .services-grid {
                gap: 12px;
            }
            .tiers-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .supporters-grid {
                grid-template-columns: repeat(4, 1fr);
            }
            .onboarding-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 56px;
            }
            .nav-wrap {
                height: 56px;
                gap: 8px;
            }
            .nav-logo-text {
                font-size: 17px;
            }
            .nav-search {
                display: none;
            }
            .nav-login {
                display: none;
            }
            .nav-cta {
                padding: 6px 12px;
                font-size: 13px;
            }
            .hero-section {
                min-height: auto;
                padding-top: 56px;
            }
            .hero-content {
                padding: 32px 16px 40px;
                gap: 24px;
            }
            .hero-title {
                font-size: 32px;
                letter-spacing: -0.5px;
            }
            .hero-subtitle {
                font-size: 15px;
                margin-bottom: 24px;
            }
            .hero-metrics {
                gap: 16px;
            }
            .hero-metric-value {
                font-size: 24px;
            }
            .hero-visual {
                width: 160px;
            }
            .hero-phone-card {
                width: 150px;
            }
            .section-title {
                font-size: 26px;
            }
            .section-desc {
                font-size: 14px;
                margin-bottom: 20px;
            }
            .services-grid {
                grid-template-columns: 1fr;
            }
            .service-card.col-span-4,
            .service-card.col-span-5,
            .service-card.col-span-6,
            .service-card.col-span-7,
            .service-card.col-span-8,
            .service-card.col-span-12 {
                grid-column: span 1;
            }
            .service-card-horizontal {
                flex-direction: column;
                align-items: flex-start;
            }
            .service-card-horizontal .service-card-img {
                width: 100%;
                aspect-ratio: 16/9;
            }
            .compare-grid {
                grid-template-columns: 1fr;
            }
            .tiers-grid {
                grid-template-columns: 1fr;
            }
            .supporters-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-item {
                flex-direction: column;
                gap: 8px;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .onboarding-grid {
                grid-template-columns: 1fr;
            }
            .form-card {
                padding: 24px 18px;
            }
            .form-grid {
                grid-template-columns: 1fr;
            }
            .form-group.full {
                grid-column: span 1;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                text-align: left;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 27px;
            }
            .hero-metrics {
                gap: 12px;
            }
            .hero-metric-value {
                font-size: 20px;
            }
            .hero-cta-group {
                gap: 8px;
            }
            .btn-primary,
            .btn-secondary {
                padding: 10px 16px;
                font-size: 14px;
            }
            .supporters-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .supporter-card {
                padding: 12px 8px;
            }
            .progress-card {
                padding: 20px 16px;
            }
            .progress-percent {
                font-size: 24px;
            }
        }

/* roulang page: category3 */
:root {
            --ink: #111113;
            --ink2: #1A1A1C;
            --ink3: #1E1E20;
            --cream: #F5F4F0;
            --cream2: #F7F6F2;
            --acid: #C8FF00;
            --acid-dark: #B3E600;
            --ember: #E84A2A;
            --text-light: #F5F4F0;
            --text-dark: #1A1A1C;
            --text-muted-dark: #6B6B70;
            --text-muted-light: #8A8A8E;
            --border-dark: rgba(255, 255, 255, 0.10);
            --border-light: rgba(0, 0, 0, 0.08);
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 10px;
            --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
            --transition-fast: 200ms ease;
            --transition-smooth: 300ms ease;
            --container-max: 1280px;
            --section-gap: 72px;
            --section-gap-mobile: 56px;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
            line-height: 1.75;
            color: var(--text-dark);
            background-color: var(--cream);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast), opacity var(--transition-fast);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background-color: rgba(17, 17, 19, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-dark);
            transition: background-color var(--transition-smooth), box-shadow var(--transition-smooth);
        }

        .site-header.scrolled {
            background-color: rgba(17, 17, 19, 0.98);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.3);
        }

        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            height: 64px;
            padding: 0 24px;
            max-width: var(--container-max);
            margin: 0 auto;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .nav-logo-icon {
            width: 28px;
            height: 28px;
            background-color: var(--acid);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 15px;
            color: var(--ink);
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }

        .nav-logo-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-light);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }

        .nav-logo-text span {
            color: var(--acid);
        }

        .nav-channels {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .nav-channels::-webkit-scrollbar {
            display: none;
        }

        .nav-channel-link {
            display: inline-flex;
            align-items: center;
            padding: 6px 12px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted-dark);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: color var(--transition-fast), background-color var(--transition-fast);
            position: relative;
        }

        .nav-channel-link:hover {
            color: var(--acid);
            background-color: rgba(200, 255, 0, 0.06);
        }

        .nav-channel-link.active {
            color: var(--acid);
            background-color: rgba(200, 255, 0, 0.08);
        }

        .nav-channel-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 12px;
            right: 12px;
            height: 2px;
            background-color: var(--acid);
            border-radius: 1px;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-search {
            display: flex;
            align-items: center;
            gap: 6px;
            background-color: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-sm);
            padding: 6px 10px;
            width: 160px;
            transition: border-color var(--transition-fast), background-color var(--transition-fast);
        }

        .nav-search:focus-within {
            border-color: var(--acid);
            background-color: rgba(255, 255, 255, 0.08);
        }

        .nav-search svg {
            width: 14px;
            height: 14px;
            color: var(--text-muted-dark);
            flex-shrink: 0;
        }

        .nav-search input {
            color: var(--text-light);
            font-size: 13px;
            width: 100%;
            background: none;
            border: none;
            outline: none;
        }

        .nav-search input::placeholder {
            color: var(--text-muted-dark);
        }

        .nav-login {
            display: inline-flex;
            align-items: center;
            padding: 7px 14px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-light);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: border-color var(--transition-fast), color var(--transition-fast);
        }

        .nav-login:hover {
            border-color: var(--acid);
            color: var(--acid);
        }

        .nav-publish {
            display: inline-flex;
            align-items: center;
            padding: 7px 16px;
            font-size: 13px;
            font-weight: 700;
            color: var(--ink);
            background-color: var(--acid);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: background-color var(--transition-fast);
            border: none;
        }

        .nav-publish:hover {
            background-color: var(--acid-dark);
        }

        .nav-hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 6px;
            cursor: pointer;
        }

        .nav-hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            background-color: var(--text-light);
            border-radius: 1px;
        }

        /* Magazine Hero */
        .magazine-hero {
            position: relative;
            min-height: 620px;
            display: flex;
            align-items: flex-end;
            background-color: var(--ink);
            overflow: hidden;
            margin-top: 0;
            padding-top: 64px;
        }

        .magazine-hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0.55;
            transition: transform 3s ease;
        }

        .magazine-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(17, 17, 19, 0.95) 0%, rgba(17, 17, 19, 0.55) 45%, rgba(17, 17, 19, 0.25) 100%);
            pointer-events: none;
        }

        .magazine-hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
            padding: 80px 0 56px;
            color: var(--text-light);
        }

        .magazine-hero-tag {
            display: inline-flex;
            align-items: center;
            padding: 5px 12px;
            background-color: var(--acid);
            color: var(--ink);
            font-size: 12px;
            font-weight: 700;
            border-radius: var(--radius-sm);
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }

        .magazine-hero h1 {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -1px;
            max-width: 720px;
            margin-bottom: 16px;
        }

        .magazine-hero h1 .highlight {
            color: var(--acid);
        }

        .magazine-hero-desc {
            font-size: 17px;
            color: rgba(245, 244, 240, 0.8);
            max-width: 560px;
            line-height: 1.85;
            margin-bottom: 28px;
        }

        .magazine-hero-meta {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            font-size: 13px;
            color: rgba(245, 244, 240, 0.7);
        }

        .magazine-hero-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .magazine-hero-meta .dot {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background-color: var(--acid);
        }

        /* Magazine Body */
        .magazine-body {
            padding: var(--section-gap) 0;
            background-color: var(--cream);
        }

        .magazine-section {
            margin-bottom: 72px;
        }

        .magazine-section:last-child {
            margin-bottom: 0;
        }

        .magazine-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .magazine-grid.reverse {
            direction: rtl;
        }

        .magazine-grid.reverse > * {
            direction: ltr;
        }

        .magazine-text h2 {
            font-size: 28px;
            font-weight: 800;
            line-height: 1.35;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
            color: var(--text-dark);
        }

        .magazine-text h2 .accent {
            color: var(--acid-dark);
            font-weight: 800;
        }

        .magazine-text .sub-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            color: var(--ember);
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .magazine-text p {
            font-size: 16px;
            line-height: 1.85;
            color: #4A4A50;
            margin-bottom: 14px;
        }

        .magazine-text .data-inline {
            font-size: 32px;
            font-weight: 800;
            color: var(--ink);
            letter-spacing: -1px;
            margin: 12px 0;
            display: inline-flex;
            align-items: baseline;
            gap: 6px;
        }

        .magazine-text .data-inline .num {
            color: var(--ember);
            font-family: ui-monospace, 'SF Mono', monospace;
        }

        .magazine-figure {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card-hover);
        }

        .magazine-figure img {
            width: 100%;
            height: 380px;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

        .magazine-figure:hover img {
            transform: scale(1.03);
        }

        .magazine-figure-caption {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 16px 20px;
            background: linear-gradient(to top, rgba(17, 17, 19, 0.9), rgba(17, 17, 19, 0));
            color: var(--text-light);
            font-size: 13px;
        }

        /* Stats Strip */
        .stats-strip {
            background-color: var(--ink);
            padding: 48px 0;
            border-top: 1px solid var(--border-dark);
            border-bottom: 1px solid var(--border-dark);
        }

        .stats-strip-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .stats-strip-item {
            text-align: center;
            padding: 20px 12px;
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            background-color: rgba(255, 255, 255, 0.03);
        }

        .stats-strip-item .stat-num {
            font-size: 36px;
            font-weight: 800;
            color: var(--acid);
            font-family: ui-monospace, 'SF Mono', monospace;
            letter-spacing: -1px;
            display: block;
            line-height: 1.2;
        }

        .stats-strip-item .stat-label {
            font-size: 13px;
            color: var(--text-muted-dark);
            margin-top: 6px;
        }

        /* Quote Block */
        .quote-block {
            background-color: var(--cream2);
            border-left: 4px solid var(--acid);
            padding: 24px 28px;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin: 20px 0;
            font-size: 17px;
            line-height: 1.8;
            color: #2A2A30;
            font-weight: 500;
        }

        .quote-block .quote-source {
            display: block;
            font-size: 13px;
            color: var(--text-muted-light);
            margin-top: 8px;
            font-weight: 400;
        }

        /* CTA Section */
        .cta-section {
            padding: var(--section-gap) 0;
            background-color: var(--ink);
            color: var(--text-light);
        }

        .cta-card {
            background-color: var(--ink2);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            padding: 48px;
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }

        .cta-card h2 {
            font-size: 30px;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 12px;
            color: var(--text-light);
        }

        .cta-card p {
            font-size: 16px;
            color: var(--text-muted-dark);
            margin-bottom: 24px;
            line-height: 1.8;
        }

        .cta-card .btn-group {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            background-color: var(--acid);
            color: var(--ink);
            font-weight: 700;
            font-size: 15px;
            border-radius: var(--radius-sm);
            transition: background-color var(--transition-fast), transform var(--transition-fast);
            border: none;
        }

        .btn-primary:hover {
            background-color: var(--acid-dark);
            transform: translateY(-2px);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            background-color: transparent;
            color: var(--text-light);
            font-weight: 600;
            font-size: 15px;
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-sm);
            transition: border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
        }

        .btn-outline-light:hover {
            border-color: var(--acid);
            color: var(--acid);
            transform: translateY(-2px);
        }

        /* Footer */
        .site-footer {
            background-color: var(--ink);
            padding: 48px 0 24px;
            color: var(--text-muted-dark);
            border-top: 1px solid var(--border-dark);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }

        .footer-logo-icon {
            width: 24px;
            height: 24px;
            background-color: var(--acid);
            border-radius: 5px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 13px;
            color: var(--ink);
        }

        .footer-logo-text {
            font-size: 18px;
            font-weight: 800;
            color: var(--text-light);
        }

        .footer-logo-text span {
            color: var(--acid);
        }

        .footer-desc {
            font-size: 13px;
            color: var(--text-muted-dark);
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 12px;
        }

        .footer-col a {
            display: block;
            font-size: 13px;
            color: var(--text-muted-dark);
            padding: 4px 0;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--acid);
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid var(--border-dark);
            font-size: 12px;
            color: var(--text-muted-dark);
        }

        .footer-bottom a {
            color: var(--text-muted-dark);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--acid);
        }

        /* Mobile Nav Drawer */
        .mobile-nav-drawer {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background-color: rgba(17, 17, 19, 0.98);
            border-bottom: 1px solid var(--border-dark);
            z-index: 999;
            padding: 16px 24px 24px;
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
        }

        .mobile-nav-drawer.open {
            display: block;
        }

        .mobile-nav-drawer .nav-channel-link {
            display: block;
            padding: 12px 0;
            font-size: 16px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            color: var(--text-light);
        }

        .mobile-nav-drawer .nav-channel-link.active {
            color: var(--acid);
            background: none;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .magazine-hero h1 {
                font-size: 40px;
            }
            .stats-strip-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-channels {
                display: none;
            }
            .nav-search {
                width: 120px;
            }
            .nav-hamburger {
                display: flex;
            }
            .magazine-hero {
                min-height: 480px;
            }
            .magazine-hero h1 {
                font-size: 32px;
                letter-spacing: -0.5px;
            }
            .magazine-hero-desc {
                font-size: 15px;
            }
            .magazine-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .magazine-grid.reverse {
                direction: ltr;
            }
            .magazine-figure img {
                height: 260px;
            }
            .stats-strip-grid {
                grid-template-columns: 1fr;
            }
            .cta-card {
                padding: 32px 24px;
            }
            .cta-card h2 {
                font-size: 24px;
            }
            :root {
                --section-gap: 56px;
            }
        }

        @media (max-width: 520px) {
            .nav-search {
                width: 100px;
            }
            .nav-login {
                display: none;
            }
            .nav-wrap {
                padding: 0 16px;
                gap: 8px;
            }
            .magazine-hero h1 {
                font-size: 26px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                text-align: left;
            }
        }

/* roulang page: category1 */
:root {
            --ink: #111113;
            --ink2: #1A1A1C;
            --ink3: #1E1E20;
            --cream: #F5F4F0;
            --cream2: #F7F6F2;
            --acid: #C8FF00;
            --acid-dark: #B3E600;
            --ember: #E84A2A;
            --text-light: #F5F4F0;
            --text-dark: #1A1A1C;
            --text-muted-dark: #6B6B70;
            --text-muted-light: #8A8A8E;
            --border-dark: rgba(255, 255, 255, 0.10);
            --border-light: rgba(0, 0, 0, 0.08);
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 10px;
            --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
            --transition-fast: 200ms ease;
            --transition-smooth: 300ms ease;
            --container-max: 1280px;
            --section-gap: 72px;
            --section-gap-mobile: 56px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
            line-height: 1.75;
            color: var(--text-dark);
            background-color: var(--cream);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast), opacity var(--transition-fast);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background-color: rgba(17, 17, 19, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-dark);
            transition: background-color var(--transition-smooth), box-shadow var(--transition-smooth);
        }

        .site-header.scrolled {
            background-color: rgba(17, 17, 19, 0.98);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.3);
        }

        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            height: 64px;
            padding: 0 24px;
            max-width: var(--container-max);
            margin: 0 auto;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .nav-logo-icon {
            width: 28px;
            height: 28px;
            background-color: var(--acid);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 15px;
            color: var(--ink);
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }

        .nav-logo-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-light);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }

        .nav-logo-text span {
            color: var(--acid);
        }

        .nav-channels {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .nav-channels::-webkit-scrollbar {
            display: none;
        }

        .nav-channel-link {
            display: inline-flex;
            align-items: center;
            padding: 6px 12px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted-dark);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: color var(--transition-fast), background-color var(--transition-fast);
            position: relative;
        }

        .nav-channel-link:hover {
            color: var(--acid);
            background-color: rgba(200, 255, 0, 0.06);
        }

        .nav-channel-link.active {
            color: var(--acid);
            background-color: rgba(200, 255, 0, 0.08);
        }

        .nav-channel-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 12px;
            right: 12px;
            height: 2px;
            background-color: var(--acid);
            border-radius: 1px;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-search {
            display: flex;
            align-items: center;
            gap: 6px;
            background-color: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-sm);
            padding: 6px 10px;
            width: 160px;
            transition: border-color var(--transition-fast), background-color var(--transition-fast);
        }

        .nav-search:focus-within {
            border-color: var(--acid);
            background-color: rgba(255, 255, 255, 0.08);
        }

        .nav-search svg {
            width: 14px;
            height: 14px;
            color: var(--text-muted-dark);
            flex-shrink: 0;
        }

        .nav-search input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-light);
            font-size: 13px;
            width: 100%;
            min-width: 0;
        }

        .nav-search input::placeholder {
            color: var(--text-muted-dark);
        }

        .nav-login {
            display: inline-flex;
            align-items: center;
            padding: 7px 14px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-light);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-login:hover {
            border-color: var(--acid);
            color: var(--acid);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            font-size: 13px;
            font-weight: 700;
            color: var(--ink);
            background-color: var(--acid);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-cta:hover {
            background-color: var(--acid-dark);
            transform: translateY(-1px);
        }

        .nav-hamburger {
            display: none;
            flex-direction: column;
            gap: 4px;
            padding: 8px;
            background: transparent;
            border: none;
            flex-shrink: 0;
        }

        .nav-hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            background-color: var(--text-light);
            border-radius: 1px;
            transition: all var(--transition-fast);
        }

        .nav-hamburger:hover span {
            background-color: var(--acid);
        }

        .mobile-menu {
            display: none;
            background-color: rgba(17, 17, 19, 0.98);
            border-bottom: 1px solid var(--border-dark);
            padding: 12px 24px 20px;
        }

        .mobile-menu a {
            display: block;
            padding: 10px 0;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-muted-dark);
            border-bottom: 1px solid var(--border-dark);
            transition: color var(--transition-fast);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--acid);
        }

        .mobile-menu a:last-child {
            border-bottom: none;
        }

        /* Hero Section */
        .hero-section {
            position: relative;
            padding: 120px 0 64px;
            background-color: var(--ink);
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            min-height: 480px;
            display: flex;
            align-items: center;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(17, 17, 19, 0.92) 0%, rgba(17, 17, 19, 0.78) 50%, rgba(17, 17, 19, 0.65) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            background-color: rgba(200, 255, 0, 0.12);
            border: 1px solid rgba(200, 255, 0, 0.3);
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            color: var(--acid);
            margin-bottom: 20px;
        }

        .hero-badge-dot {
            width: 6px;
            height: 6px;
            background-color: var(--acid);
            border-radius: 50%;
            display: inline-block;
        }

        .hero-title {
            font-size: 52px;
            font-weight: 800;
            color: var(--text-light);
            letter-spacing: -1px;
            line-height: 1.15;
            margin-bottom: 20px;
        }

        .hero-title .highlight {
            color: var(--acid);
        }

        .hero-subtitle {
            font-size: 17px;
            color: rgba(245, 244, 240, 0.75);
            line-height: 1.8;
            margin-bottom: 32px;
            max-width: 600px;
        }

        .hero-search-box {
            display: flex;
            align-items: center;
            gap: 10px;
            background-color: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-md);
            padding: 10px 16px;
            max-width: 520px;
            margin-bottom: 20px;
            transition: border-color var(--transition-fast), background-color var(--transition-fast);
        }

        .hero-search-box:focus-within {
            border-color: var(--acid);
            background-color: rgba(255, 255, 255, 0.12);
        }

        .hero-search-box svg {
            width: 18px;
            height: 18px;
            color: var(--text-muted-dark);
            flex-shrink: 0;
        }

        .hero-search-box input {
            flex: 1;
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-light);
            font-size: 15px;
        }

        .hero-search-box input::placeholder {
            color: var(--text-muted-dark);
        }

        .hero-search-btn {
            padding: 8px 20px;
            background-color: var(--acid);
            color: var(--ink);
            font-weight: 700;
            font-size: 14px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .hero-search-btn:hover {
            background-color: var(--acid-dark);
        }

        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            background-color: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 20px;
            font-size: 13px;
            color: rgba(245, 244, 240, 0.75);
            transition: all var(--transition-fast);
        }

        .hero-tag:hover {
            border-color: var(--acid);
            color: var(--acid);
            background-color: rgba(200, 255, 0, 0.08);
        }

        /* Filter Toolbar */
        .filter-toolbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding: 16px 0;
            border-bottom: 1px solid var(--border-light);
            margin-bottom: 32px;
        }

        .filter-group {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .filter-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-muted-light);
            margin-right: 4px;
        }

        .filter-btn {
            padding: 7px 14px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-dark);
            background-color: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .filter-btn:hover {
            border-color: var(--acid);
            color: var(--ink);
            background-color: var(--acid);
        }

        .filter-btn.active {
            background-color: var(--acid);
            border-color: var(--acid);
            color: var(--ink);
            font-weight: 700;
        }

        .sort-select {
            padding: 7px 14px;
            font-size: 13px;
            color: var(--text-dark);
            background-color: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .sort-select:hover,
        .sort-select:focus {
            border-color: var(--acid);
        }

        /* Event List */
        .event-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .event-list-item {
            display: flex;
            gap: 20px;
            padding: 20px;
            background-color: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            cursor: pointer;
        }

        .event-list-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(200, 255, 0, 0.3);
        }

        .event-list-image {
            width: 200px;
            height: 130px;
            border-radius: var(--radius-md);
            overflow: hidden;
            flex-shrink: 0;
            background-color: var(--cream2);
        }

        .event-list-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

        .event-list-item:hover .event-list-image img {
            transform: scale(1.03);
        }

        .event-list-content {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            gap: 8px;
        }

        .event-list-header {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 12px;
        }

        .event-list-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.4;
            transition: color var(--transition-fast);
        }

        .event-list-item:hover .event-list-title {
            color: var(--ember);
        }

        .event-list-date {
            font-size: 13px;
            color: var(--text-muted-light);
            white-space: nowrap;
            flex-shrink: 0;
            font-weight: 500;
        }

        .event-list-summary {
            font-size: 14px;
            color: var(--text-muted-light);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .event-list-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--text-muted-light);
        }

        .event-list-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .event-list-category {
            padding: 3px 10px;
            background-color: rgba(200, 255, 0, 0.15);
            color: #5a7500;
            font-size: 12px;
            font-weight: 700;
            border-radius: 20px;
        }

        .event-list-arrow {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            font-weight: 600;
            color: var(--ember);
            transition: all var(--transition-fast);
        }

        .event-list-arrow svg {
            width: 14px;
            height: 14px;
            transition: transform var(--transition-fast);
        }

        .event-list-item:hover .event-list-arrow svg {
            transform: translateX(4px);
        }

        /* Stats Section */
        .stats-section {
            background-color: var(--ink);
            padding: 56px 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .stat-card {
            padding: 24px;
            background-color: var(--ink3);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            text-align: center;
            transition: all var(--transition-fast);
        }

        .stat-card:hover {
            border-color: rgba(200, 255, 0, 0.3);
            transform: translateY(-2px);
        }

        .stat-number {
            font-size: 40px;
            font-weight: 800;
            color: var(--acid);
            letter-spacing: -1px;
            line-height: 1.2;
            font-family: ui-monospace, 'SF Mono', 'Cascadia Code', monospace;
        }

        .stat-label {
            font-size: 14px;
            color: rgba(245, 244, 240, 0.7);
            margin-top: 8px;
            font-weight: 500;
        }

        /* Section Titles */
        .section {
            padding: var(--section-gap) 0;
        }

        .section-alt {
            background-color: var(--cream2);
        }

        .section-header {
            margin-bottom: 36px;
        }

        .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--ember);
            margin-bottom: 10px;
        }

        .section-kicker::before {
            content: '';
            width: 24px;
            height: 2px;
            background-color: var(--ember);
            display: inline-block;
        }

        .section-title {
            font-size: 34px;
            font-weight: 800;
            color: var(--text-dark);
            letter-spacing: -0.5px;
            line-height: 1.25;
            margin-bottom: 12px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-muted-light);
            line-height: 1.8;
            max-width: 680px;
        }

        /* Deep Content */
        .deep-content {
            padding: 40px 0;
        }

        .deep-content h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-dark);
            margin: 28px 0 12px;
            letter-spacing: -0.3px;
        }

        .deep-content p {
            font-size: 16px;
            color: rgba(17, 17, 19, 0.78);
            line-height: 1.9;
            margin-bottom: 16px;
        }

        .deep-content ul {
            list-style: none;
            padding: 0;
            margin: 16px 0;
        }

        .deep-content ul li {
            padding-left: 24px;
            position: relative;
            font-size: 15px;
            color: rgba(17, 17, 19, 0.75);
            line-height: 1.8;
            margin-bottom: 10px;
        }

        .deep-content ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 10px;
            width: 8px;
            height: 8px;
            background-color: var(--acid);
            border-radius: 2px;
        }

        .deep-highlight {
            color: var(--ember);
            font-weight: 700;
        }

        /* Hot Tags Cloud */
        .tags-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            padding: 20px 0;
        }

        .tag-cloud-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 18px;
            background-color: #fff;
            border: 1px solid var(--border-light);
            border-radius: 20px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-dark);
            transition: all var(--transition-fast);
        }

        .tag-cloud-item:hover {
            border-color: var(--acid);
            background-color: var(--acid);
            color: var(--ink);
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
        }

        .tag-cloud-item .tag-count {
            font-size: 12px;
            color: var(--text-muted-light);
            font-weight: 600;
        }

        .tag-cloud-item:hover .tag-count {
            color: var(--ink);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            border-top: 1px solid var(--border-light);
        }

        .faq-item {
            border-bottom: 1px solid var(--border-light);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 4px;
            background: transparent;
            text-align: left;
            transition: all var(--transition-fast);
        }

        .faq-question:hover .faq-question-text {
            color: var(--ember);
        }

        .faq-question-text {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-dark);
            transition: color var(--transition-fast);
        }

        .faq-icon {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            background-color: #fff;
            border: 1px solid var(--border-light);
            border-radius: 50%;
            font-size: 18px;
            color: var(--text-muted-light);
            transition: all var(--transition-fast);
            font-weight: 600;
        }

        .faq-item.open .faq-icon {
            background-color: var(--acid);
            border-color: var(--acid);
            color: var(--ink);
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 4px;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 4px 20px;
        }

        .faq-answer p {
            font-size: 15px;
            color: var(--text-muted-light);
            line-height: 1.8;
            margin: 0;
        }

        /* CTA Section */
        .cta-section {
            background-color: var(--ink);
            padding: 64px 0;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(17, 17, 19, 0.82);
            z-index: 1;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
        }

        .cta-text h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-light);
            letter-spacing: -0.5px;
            margin-bottom: 12px;
        }

        .cta-text p {
            font-size: 16px;
            color: rgba(245, 244, 240, 0.7);
            line-height: 1.8;
        }

        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 16px 32px;
            background-color: var(--acid);
            color: var(--ink);
            font-size: 16px;
            font-weight: 700;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .cta-btn:hover {
            background-color: var(--acid-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(200, 255, 0, 0.2);
        }

        /* Footer */
        .site-footer {
            background-color: var(--ink);
            padding: 56px 0 28px;
            border-top: 1px solid var(--border-dark);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 16px;
        }

        .footer-logo-icon {
            width: 28px;
            height: 28px;
            background-color: var(--acid);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 15px;
            color: var(--ink);
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }

        .footer-logo-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-light);
            letter-spacing: -0.3px;
        }

        .footer-logo-text span {
            color: var(--acid);
        }

        .footer-desc {
            font-size: 14px;
            color: rgba(245, 244, 240, 0.6);
            line-height: 1.8;
            max-width: 340px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(245, 244, 240, 0.55);
            padding: 6px 0;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--acid);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 20px;
            border-top: 1px solid var(--border-dark);
            font-size: 13px;
            color: rgba(245, 244, 240, 0.5);
        }

        .footer-bottom a {
            color: rgba(245, 244, 240, 0.5);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--acid);
        }

        .footer-bottom strong {
            color: var(--acid);
            font-weight: 700;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-channels {
                display: none;
            }

            .nav-hamburger {
                display: flex;
            }

            .mobile-menu.show {
                display: block;
            }

            .nav-search {
                width: 130px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .hero-title {
                font-size: 40px;
            }
        }

        @media (max-width: 768px) {
            .hero-section {
                padding: 100px 0 48px;
                min-height: 420px;
            }

            .hero-title {
                font-size: 32px;
            }

            .hero-subtitle {
                font-size: 15px;
            }

            .event-list-item {
                flex-direction: column;
                gap: 12px;
                padding: 16px;
            }

            .event-list-image {
                width: 100%;
                height: 160px;
            }

            .event-list-header {
                flex-direction: column;
                gap: 4px;
            }

            .section-title {
                font-size: 26px;
            }

            .filter-toolbar {
                flex-direction: column;
                align-items: flex-start;
            }

            .cta-content {
                flex-direction: column;
                align-items: flex-start;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }

            .stats-grid {
                grid-template-columns: 1fr;
            }

            .nav-wrap {
                padding: 0 16px;
                gap: 8px;
            }

            .nav-search {
                display: none;
            }

            .nav-login {
                display: none;
            }

            .cta-btn {
                width: 100%;
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .hero-title {
                font-size: 28px;
                letter-spacing: -0.3px;
            }

            .hero-badge {
                font-size: 12px;
                padding: 5px 10px;
            }

            .hero-search-box {
                flex-wrap: wrap;
            }

            .hero-search-btn {
                width: 100%;
                text-align: center;
            }

            .stat-number {
                font-size: 30px;
            }
        }

/* roulang page: category2 */
:root {
            --ink: #111113;
            --ink2: #1A1A1C;
            --ink3: #1E1E20;
            --cream: #F5F4F0;
            --cream2: #F7F6F2;
            --acid: #C8FF00;
            --acid-dark: #B3E600;
            --ember: #E84A2A;
            --text-light: #F5F4F0;
            --text-dark: #1A1A1C;
            --text-muted-dark: #6B6B70;
            --text-muted-light: #8A8A8E;
            --border-dark: rgba(255, 255, 255, 0.10);
            --border-light: rgba(0, 0, 0, 0.08);
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 10px;
            --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
            --transition-fast: 200ms ease;
            --transition-smooth: 300ms ease;
            --container-max: 1280px;
            --section-gap: 72px;
            --section-gap-mobile: 56px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
            line-height: 1.75;
            color: var(--text-dark);
            background-color: var(--cream);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast), opacity var(--transition-fast);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            outline: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background-color: rgba(17, 17, 19, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-dark);
            transition: background-color var(--transition-smooth), box-shadow var(--transition-smooth);
        }
        .site-header.scrolled {
            background-color: rgba(17, 17, 19, 0.98);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.3);
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            height: 64px;
            padding: 0 24px;
            max-width: var(--container-max);
            margin: 0 auto;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }
        .nav-logo-icon {
            width: 28px;
            height: 28px;
            background-color: var(--acid);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 15px;
            color: var(--ink);
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }
        .nav-logo-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-light);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }
        .nav-logo-text span {
            color: var(--acid);
        }
        .nav-channels {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .nav-channels::-webkit-scrollbar {
            display: none;
        }
        .nav-channel-link {
            display: inline-flex;
            align-items: center;
            padding: 6px 12px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted-dark);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: color var(--transition-fast), background-color var(--transition-fast);
            position: relative;
        }
        .nav-channel-link:hover {
            color: var(--acid);
            background-color: rgba(200, 255, 0, 0.06);
        }
        .nav-channel-link.active {
            color: var(--acid);
            background-color: rgba(200, 255, 0, 0.08);
        }
        .nav-channel-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 12px;
            right: 12px;
            height: 2px;
            background-color: var(--acid);
            border-radius: 1px;
        }
        .nav-right {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-search {
            display: flex;
            align-items: center;
            gap: 6px;
            background-color: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-sm);
            padding: 6px 10px;
            width: 160px;
            transition: border-color var(--transition-fast), background-color var(--transition-fast);
        }
        .nav-search:focus-within {
            border-color: var(--acid);
            background-color: rgba(255, 255, 255, 0.08);
        }
        .nav-search svg {
            width: 14px;
            height: 14px;
            color: var(--text-muted-dark);
            flex-shrink: 0;
        }
        .nav-search input {
            width: 100%;
            background: transparent;
            color: var(--text-light);
            font-size: 13px;
            padding: 0;
        }
        .nav-search input::placeholder {
            color: var(--text-muted-dark);
        }
        .nav-login-btn {
            display: inline-flex;
            align-items: center;
            padding: 7px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted-dark);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
        }
        .nav-login-btn:hover {
            color: var(--text-light);
            border-color: rgba(255, 255, 255, 0.3);
            background-color: rgba(255, 255, 255, 0.04);
        }
        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            padding: 7px 16px;
            font-size: 14px;
            font-weight: 700;
            color: var(--ink);
            background-color: var(--acid);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: background-color var(--transition-fast), transform var(--transition-fast);
        }
        .nav-cta-btn:hover {
            background-color: var(--acid-dark);
            transform: translateY(-1px);
        }
        .nav-hamburger {
            display: none;
            flex-direction: column;
            gap: 4px;
            background: transparent;
            border: none;
            padding: 4px;
        }
        .nav-hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background-color: var(--text-light);
            border-radius: 1px;
            transition: transform var(--transition-fast), opacity var(--transition-fast);
        }
        /* Page hero */
        .page-hero {
            background-color: var(--ink);
            padding-top: 64px;
            position: relative;
            overflow: hidden;
        }
        .page-hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            pointer-events: none;
        }
        .page-hero .container {
            position: relative;
            z-index: 1;
        }
        /* Section base */
        .section {
            padding: var(--section-gap) 0;
        }
        .section-dark {
            background-color: var(--ink);
            color: var(--text-light);
        }
        .section-cream {
            background-color: var(--cream);
            color: var(--text-dark);
        }
        .section-cream2 {
            background-color: var(--cream2);
            color: var(--text-dark);
        }
        .section-title {
            font-size: 32px;
            font-weight: 800;
            letter-spacing: -0.5px;
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-muted-dark);
            line-height: 1.7;
            max-width: 680px;
        }
        .section-dark .section-subtitle {
            color: var(--text-muted-dark);
        }
        .section-dark .section-title {
            color: var(--text-light);
        }
        /* Data table styles */
        .data-table-wrap {
            background-color: #ffffff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .data-table-row {
            display: grid;
            grid-template-columns: 48px 1fr 90px 90px 90px 90px;
            align-items: center;
            gap: 12px;
            padding: 14px 20px;
            border-bottom: 1px solid var(--border-light);
            transition: background-color var(--transition-fast);
        }
        .data-table-row:last-child {
            border-bottom: none;
        }
        .data-table-row:hover {
            background-color: rgba(200, 255, 0, 0.04);
        }
        .data-table-header {
            display: grid;
            grid-template-columns: 48px 1fr 90px 90px 90px 90px;
            align-items: center;
            gap: 12px;
            padding: 14px 20px;
            background-color: var(--ink);
            border-bottom: 1px solid var(--border-dark);
            font-size: 13px;
            font-weight: 600;
            color: var(--text-muted-dark);
            letter-spacing: 0.3px;
        }
        .data-rank {
            font-size: 16px;
            font-weight: 800;
            color: var(--text-muted-dark);
            font-family: ui-monospace, SFMono-Regular, 'SF Mono', monospace;
        }
        .data-rank.top1 {
            color: var(--ember);
        }
        .data-rank.top2 {
            color: #D4760A;
        }
        .data-rank.top3 {
            color: #B8860B;
        }
        .data-team-name {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-dark);
        }
        .data-team-badge {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background-color: var(--cream2);
            border: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 10px;
            font-weight: 700;
            color: var(--text-muted-dark);
            flex-shrink: 0;
        }
        .data-value {
            font-size: 15px;
            font-weight: 700;
            font-family: ui-monospace, SFMono-Regular, 'SF Mono', monospace;
            color: var(--text-dark);
            text-align: center;
        }
        .data-value.highlight {
            color: var(--ink);
            background-color: var(--acid);
            padding: 2px 8px;
            border-radius: 3px;
            display: inline-block;
        }
        .data-trend {
            display: inline-flex;
            align-items: center;
            gap: 3px;
            font-size: 13px;
            font-weight: 600;
            font-family: ui-monospace, SFMono-Regular, 'SF Mono', monospace;
            text-align: center;
        }
        .data-trend.up {
            color: #16A34A;
        }
        .data-trend.down {
            color: var(--ember);
        }
        .data-trend.flat {
            color: var(--text-muted-dark);
        }
        /* Bar chart */
        .bar-chart-item {
            display: grid;
            grid-template-columns: 120px 1fr 60px;
            align-items: center;
            gap: 16px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
        }
        .bar-chart-item:last-child {
            border-bottom: none;
        }
        .bar-chart-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-dark);
        }
        .bar-chart-track {
            height: 20px;
            background-color: rgba(0, 0, 0, 0.04);
            border-radius: 3px;
            overflow: hidden;
            position: relative;
        }
        .bar-chart-fill {
            height: 100%;
            border-radius: 3px;
            transition: width 1s ease;
            position: relative;
        }
        .bar-chart-fill.acid {
            background-color: var(--acid);
        }
        .bar-chart-fill.ember {
            background-color: var(--ember);
        }
        .bar-chart-fill.dark {
            background-color: var(--ink2);
        }
        .bar-chart-value {
            font-size: 14px;
            font-weight: 700;
            font-family: ui-monospace, SFMono-Regular, 'SF Mono', monospace;
            color: var(--text-dark);
            text-align: right;
        }
        /* Card */
        .data-card {
            background-color: #ffffff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 20px;
            transition: box-shadow var(--transition-fast), transform var(--transition-fast);
        }
        .data-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .data-card-dark {
            background-color: var(--ink3);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            padding: 20px;
            color: var(--text-light);
            transition: border-color var(--transition-fast), transform var(--transition-fast);
        }
        .data-card-dark:hover {
            border-color: rgba(200, 255, 0, 0.3);
            transform: translateY(-2px);
        }
        .stat-number {
            font-size: 36px;
            font-weight: 800;
            font-family: ui-monospace, SFMono-Regular, 'SF Mono', monospace;
            color: var(--text-dark);
            letter-spacing: -1px;
            line-height: 1.2;
        }
        .data-card-dark .stat-number {
            color: var(--acid);
        }
        .stat-label {
            font-size: 13px;
            color: var(--text-muted-dark);
            margin-top: 4px;
        }
        .data-card-dark .stat-label {
            color: var(--text-muted-dark);
        }
        /* Button */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 700;
            color: var(--ink);
            background-color: var(--acid);
            border-radius: var(--radius-md);
            transition: background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            white-space: nowrap;
        }
        .btn-primary:hover {
            background-color: var(--acid-dark);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(200, 255, 0, 0.3);
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-light);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            transition: border-color var(--transition-fast), background-color var(--transition-fast), color var(--transition-fast);
            white-space: nowrap;
        }
        .btn-outline-light:hover {
            border-color: rgba(255, 255, 255, 0.4);
            background-color: rgba(255, 255, 255, 0.05);
            color: var(--acid);
        }
        /* Form */
        .form-card {
            background-color: var(--ink);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            padding: 32px;
            color: var(--text-light);
        }
        .form-input {
            width: 100%;
            padding: 12px 14px;
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            color: var(--text-light);
            background-color: rgba(255, 255, 255, 0.04);
            font-size: 15px;
            transition: border-color var(--transition-fast), background-color var(--transition-fast);
        }
        .form-input:focus {
            border-color: var(--acid);
            background-color: rgba(255, 255, 255, 0.06);
            outline: 2px solid rgba(200, 255, 0, 0.15);
        }
        .form-input::placeholder {
            color: var(--text-muted-dark);
        }
        .form-select {
            width: 100%;
            padding: 12px 14px;
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            color: var(--text-light);
            background-color: rgba(255, 255, 255, 0.04);
            font-size: 15px;
            transition: border-color var(--transition-fast), background-color var(--transition-fast);
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238A8A8E' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
        }
        .form-select:focus {
            border-color: var(--acid);
            outline: 2px solid rgba(200, 255, 0, 0.15);
        }
        .form-label {
            display: block;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted-dark);
            margin-bottom: 6px;
        }
        /* FAQ */
        .faq-item {
            border-bottom: 1px solid var(--border-light);
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 16px 0;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            cursor: pointer;
            transition: color var(--transition-fast);
            text-align: left;
            width: 100%;
        }
        .faq-question:hover {
            color: var(--ink);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            border: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            color: var(--text-muted-dark);
            transition: transform var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            color: var(--ink);
            border-color: var(--acid);
            background-color: var(--acid);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            font-size: 15px;
            color: var(--text-muted-dark);
            line-height: 1.7;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding-bottom: 16px;
        }
        /* Footer */
        .site-footer {
            background-color: #111113;
            color: var(--text-muted-dark);
            padding: 48px 0 24px;
            border-top: 1px solid var(--border-dark);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }
        .footer-logo-icon {
            width: 28px;
            height: 28px;
            background-color: var(--acid);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 15px;
            color: var(--ink);
            flex-shrink: 0;
        }
        .footer-logo-text {
            font-size: 18px;
            font-weight: 800;
            color: var(--text-light);
        }
        .footer-logo-text span {
            color: var(--acid);
        }
        .footer-desc {
            font-size: 14px;
            color: var(--text-muted-dark);
            line-height: 1.7;
            max-width: 420px;
        }
        .footer-col-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 12px;
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: var(--text-muted-dark);
            margin-bottom: 8px;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--acid);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid var(--border-dark);
            font-size: 13px;
            color: var(--text-muted-dark);
        }
        .footer-bottom a {
            color: var(--text-muted-dark);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--acid);
        }
        .footer-bottom strong {
            color: var(--acid);
            font-weight: 700;
        }
        /* Badge / Tag */
        .tag {
            display: inline-flex;
            align-items: center;
            padding: 3px 10px;
            font-size: 12px;
            font-weight: 600;
            border-radius: 3px;
            white-space: nowrap;
        }
        .tag-acid {
            background-color: var(--acid);
            color: var(--ink);
        }
        .tag-dark {
            background-color: rgba(0, 0, 0, 0.06);
            color: var(--text-dark);
        }
        .tag-ember {
            background-color: rgba(232, 74, 42, 0.1);
            color: var(--ember);
        }
        /* Content prose */
        .prose-content h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-dark);
            margin: 24px 0 12px;
            letter-spacing: -0.3px;
        }
        .section-dark .prose-content h3 {
            color: var(--text-light);
        }
        .prose-content p {
            font-size: 15px;
            color: var(--text-muted-dark);
            line-height: 1.8;
            margin-bottom: 14px;
        }
        .section-dark .prose-content p {
            color: var(--text-muted-dark);
        }
        .prose-content strong {
            color: var(--text-dark);
            font-weight: 700;
        }
        .section-dark .prose-content strong {
            color: var(--text-light);
        }
        .prose-content ul {
            list-style: none;
            padding: 0;
            margin: 12px 0;
        }
        .prose-content ul li {
            position: relative;
            padding-left: 20px;
            font-size: 15px;
            color: var(--text-muted-dark);
            margin-bottom: 8px;
            line-height: 1.7;
        }
        .prose-content ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 10px;
            width: 8px;
            height: 8px;
            background-color: var(--acid);
            border-radius: 2px;
        }
        .mobile-menu-panel {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background-color: rgba(17, 17, 19, 0.98);
            z-index: 999;
            padding: 16px 24px;
            border-bottom: 1px solid var(--border-dark);
        }
        .mobile-menu-panel.open {
            display: block;
        }
        .mobile-menu-panel a {
            display: block;
            padding: 12px 0;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-muted-dark);
            border-bottom: 1px solid var(--border-dark);
        }
        .mobile-menu-panel a:last-child {
            border-bottom: none;
        }
        .mobile-menu-panel a:hover {
            color: var(--acid);
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .nav-channels {
                display: none;
            }
            .nav-hamburger {
                display: flex;
            }
            .nav-search {
                width: 120px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .section-title {
                font-size: 28px;
            }
            .data-table-row,
            .data-table-header {
                grid-template-columns: 40px 1fr 70px 70px 70px;
                gap: 8px;
                padding: 12px 14px;
                font-size: 12px;
            }
            .data-table-row > *:nth-child(6),
            .data-table-header > *:nth-child(6) {
                display: none;
            }
            .section {
                padding: 56px 0;
            }
        }
        @media (max-width: 768px) {
            .nav-wrap {
                height: 56px;
                padding: 0 16px;
                gap: 8px;
            }
            .page-hero {
                padding-top: 56px;
            }
            .nav-search {
                display: none;
            }
            .nav-login-btn {
                display: none;
            }
            .nav-logo-text {
                font-size: 17px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .section-title {
                font-size: 24px;
            }
            .data-table-row,
            .data-table-header {
                grid-template-columns: 36px 1fr 60px 60px;
                gap: 6px;
                padding: 10px 10px;
                font-size: 11px;
            }
            .data-table-row > *:nth-child(5),
            .data-table-header > *:nth-child(5) {
                display: none;
            }
            .data-value {
                font-size: 13px;
            }
            .data-team-name {
                font-size: 13px;
                gap: 6px;
            }
            .bar-chart-item {
                grid-template-columns: 90px 1fr 45px;
                gap: 10px;
            }
            .bar-chart-label {
                font-size: 12px;
            }
            .bar-chart-value {
                font-size: 12px;
            }
            .stat-number {
                font-size: 28px;
            }
            .form-card {
                padding: 20px;
            }
            .section {
                padding: 48px 0;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .nav-wrap {
                padding: 0 12px;
            }
            .data-table-row,
            .data-table-header {
                grid-template-columns: 32px 1fr 55px;
                gap: 4px;
                padding: 8px 8px;
                font-size: 10px;
            }
            .data-table-row > *:nth-child(4),
            .data-table-header > *:nth-child(4) {
                display: none;
            }
            .data-team-name {
                font-size: 11px;
                gap: 4px;
            }
            .data-team-badge {
                width: 18px;
                height: 18px;
                font-size: 8px;
            }
            .btn-primary,
            .btn-outline-light {
                padding: 10px 18px;
                font-size: 14px;
            }
            .section-title {
                font-size: 22px;
            }
        }

/* roulang page: category4 */
:root {
            --ink: #111113;
            --ink2: #1A1A1C;
            --ink3: #1E1E20;
            --cream: #F5F4F0;
            --cream2: #F7F6F2;
            --acid: #C8FF00;
            --acid-dark: #B3E600;
            --ember: #E84A2A;
            --text-light: #F5F4F0;
            --text-dark: #1A1A1C;
            --text-muted-dark: #6B6B70;
            --text-muted-light: #8A8A8E;
            --border-dark: rgba(255, 255, 255, 0.10);
            --border-light: rgba(0, 0, 0, 0.08);
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 10px;
            --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
            --transition-fast: 200ms ease;
            --transition-smooth: 300ms ease;
            --container-max: 1280px;
            --section-gap: 72px;
            --section-gap-mobile: 56px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
            line-height: 1.75;
            color: var(--text-dark);
            background-color: var(--cream);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast), opacity var(--transition-fast);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background-color: rgba(17, 17, 19, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-dark);
            transition: background-color var(--transition-smooth), box-shadow var(--transition-smooth);
        }

        .site-header.scrolled {
            background-color: rgba(17, 17, 19, 0.98);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.3);
        }

        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            height: 64px;
            padding: 0 24px;
            max-width: var(--container-max);
            margin: 0 auto;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .nav-logo-icon {
            width: 28px;
            height: 28px;
            background-color: var(--acid);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 15px;
            color: var(--ink);
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }

        .nav-logo-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-light);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }

        .nav-logo-text span {
            color: var(--acid);
        }

        .nav-channels {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .nav-channels::-webkit-scrollbar {
            display: none;
        }

        .nav-channel-link {
            display: inline-flex;
            align-items: center;
            padding: 6px 12px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted-dark);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: color var(--transition-fast), background-color var(--transition-fast);
            position: relative;
        }

        .nav-channel-link:hover {
            color: var(--acid);
            background-color: rgba(200, 255, 0, 0.06);
        }

        .nav-channel-link.active {
            color: var(--acid);
            background-color: rgba(200, 255, 0, 0.08);
        }

        .nav-channel-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 12px;
            right: 12px;
            height: 2px;
            background-color: var(--acid);
            border-radius: 1px;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-search {
            display: flex;
            align-items: center;
            gap: 6px;
            background-color: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-sm);
            padding: 6px 10px;
            width: 160px;
            transition: border-color var(--transition-fast), background-color var(--transition-fast);
        }

        .nav-search:focus-within {
            border-color: var(--acid);
            background-color: rgba(255, 255, 255, 0.08);
        }

        .nav-search svg {
            width: 14px;
            height: 14px;
            color: var(--text-muted-dark);
            flex-shrink: 0;
        }

        .nav-search input {
            background: none;
            border: none;
            outline: none;
            color: var(--text-light);
            font-size: 13px;
            width: 100%;
            padding: 0;
        }

        .nav-search input::placeholder {
            color: var(--text-muted-dark);
        }

        .nav-login {
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-light);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: border-color var(--transition-fast), color var(--transition-fast);
        }

        .nav-login:hover {
            border-color: var(--acid);
            color: var(--acid);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            padding: 7px 16px;
            font-size: 14px;
            font-weight: 700;
            color: var(--ink);
            background-color: var(--acid);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: background-color var(--transition-fast), transform var(--transition-fast);
        }

        .nav-cta:hover {
            background-color: var(--acid-dark);
            transform: translateY(-1px);
        }

        .nav-burger {
            display: none;
            flex-direction: column;
            gap: 4px;
            padding: 8px;
            background: none;
            border: none;
            cursor: pointer;
            flex-shrink: 0;
        }

        .nav-burger span {
            display: block;
            width: 20px;
            height: 2px;
            background-color: var(--text-light);
            border-radius: 1px;
            transition: background-color var(--transition-fast);
        }

        .nav-burger:hover span {
            background-color: var(--acid);
        }

        .nav-mobile-menu {
            display: none;
            background-color: var(--ink2);
            border-bottom: 1px solid var(--border-dark);
            padding: 12px 24px;
            flex-direction: column;
            gap: 4px;
        }

        .nav-mobile-menu.open {
            display: flex;
        }

        .nav-mobile-menu a {
            padding: 10px 12px;
            font-size: 15px;
            color: var(--text-light);
            border-radius: var(--radius-sm);
            transition: background-color var(--transition-fast), color var(--transition-fast);
        }

        .nav-mobile-menu a:hover,
        .nav-mobile-menu a.active {
            background-color: rgba(200, 255, 0, 0.08);
            color: var(--acid);
        }

        /* Hero */
        .hero-membership {
            background-color: var(--ink);
            background-image: linear-gradient(rgba(17, 17, 19, 0.75), rgba(17, 17, 19, 0.92)), url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            padding: 140px 0 80px;
            position: relative;
            border-bottom: 1px solid var(--border-dark);
        }

        .hero-membership::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--acid) 0%, var(--acid) 40%, transparent 40%, transparent 100%);
        }

        .hero-membership-content {
            max-width: 720px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: rgba(200, 255, 0, 0.12);
            border: 1px solid rgba(200, 255, 0, 0.25);
            color: var(--acid);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 20px;
            letter-spacing: 0.3px;
        }

        .hero-badge-dot {
            width: 6px;
            height: 6px;
            background-color: var(--acid);
            border-radius: 50%;
        }

        .hero-membership h1 {
            font-size: 56px;
            font-weight: 800;
            color: var(--text-light);
            line-height: 1.15;
            letter-spacing: -1.5px;
            margin-bottom: 20px;
        }

        .hero-membership h1 span {
            color: var(--acid);
        }

        .hero-subtitle {
            font-size: 18px;
            color: var(--text-muted-dark);
            line-height: 1.8;
            margin-bottom: 32px;
            max-width: 560px;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .hero-btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 16px;
            font-weight: 700;
            color: var(--ink);
            background-color: var(--acid);
            border-radius: var(--radius-md);
            transition: background-color var(--transition-fast), transform var(--transition-fast);
        }

        .hero-btn-primary:hover {
            background-color: var(--acid-dark);
            transform: translateY(-2px);
        }

        .hero-btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-light);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            transition: border-color var(--transition-fast), color var(--transition-fast);
        }

        .hero-btn-secondary:hover {
            border-color: var(--acid);
            color: var(--acid);
        }

        /* Section titles */
        .section-head {
            margin-bottom: 48px;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 700;
            color: var(--acid);
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .section-label::before {
            content: '';
            width: 24px;
            height: 2px;
            background-color: var(--acid);
            border-radius: 1px;
        }

        .section-title {
            font-size: 36px;
            font-weight: 800;
            color: var(--ink);
            letter-spacing: -0.5px;
            line-height: 1.25;
            margin-bottom: 14px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-muted-light);
            line-height: 1.8;
            max-width: 640px;
        }

        /* Membership tier cards */
        .tiers-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .tier-card {
            background-color: #ffffff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
            position: relative;
            overflow: hidden;
        }

        .tier-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(200, 255, 0, 0.3);
        }

        .tier-card.featured {
            background-color: var(--ink2);
            border-color: var(--acid);
        }

        .tier-card.featured .tier-name,
        .tier-card.featured .tier-price,
        .tier-card.featured .tier-desc {
            color: var(--text-light);
        }

        .tier-card.featured .tier-feature {
            color: var(--text-muted-dark);
        }

        .tier-tag {
            position: absolute;
            top: 16px;
            right: 16px;
            font-size: 11px;
            font-weight: 700;
            color: var(--ink);
            background-color: var(--acid);
            padding: 2px 10px;
            border-radius: 20px;
            letter-spacing: 0.5px;
        }

        .tier-name {
            font-size: 20px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 8px;
        }

        .tier-price {
            font-size: 32px;
            font-weight: 800;
            color: var(--ink);
            margin-bottom: 4px;
            letter-spacing: -0.5px;
        }

        .tier-price .unit {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted-light);
            letter-spacing: 0;
        }

        .tier-desc {
            font-size: 14px;
            color: var(--text-muted-light);
            margin-bottom: 16px;
            line-height: 1.7;
        }

        .tier-feature-list {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
        }

        .tier-feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted-light);
            padding: 4px 0;
            line-height: 1.6;
        }

        .tier-feature-list li::before {
            content: '✓';
            color: var(--acid);
            font-weight: 700;
            flex-shrink: 0;
        }

        .tier-card.featured .tier-feature-list li {
            color: var(--text-muted-dark);
        }

        .tier-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 100%;
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 700;
            color: var(--ink);
            background-color: var(--acid);
            border-radius: var(--radius-sm);
            transition: background-color var(--transition-fast);
        }

        .tier-btn:hover {
            background-color: var(--acid-dark);
        }

        .tier-card:not(.featured) .tier-btn {
            background-color: var(--ink);
            color: var(--text-light);
        }

        .tier-card:not(.featured) .tier-btn:hover {
            background-color: var(--ink3);
        }

        /* Timeline */
        .timeline-section {
            background-color: var(--cream2);
            padding: 72px 0;
        }

        .timeline-wrap {
            position: relative;
            max-width: 900px;
            margin: 0 auto;
            padding-left: 40px;
        }

        .timeline-line {
            position: absolute;
            left: 18px;
            top: 0;
            bottom: 0;
            width: 2px;
            background-color: rgba(0, 0, 0, 0.12);
            border-radius: 1px;
        }

        .timeline-item {
            position: relative;
            padding-bottom: 36px;
            padding-left: 28px;
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-dot {
            position: absolute;
            left: -40px;
            top: 6px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background-color: var(--acid);
            border: 3px solid var(--cream2);
            box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.1);
            z-index: 1;
        }

        .timeline-dot.highlight {
            background-color: var(--ember);
            box-shadow: 0 0 0 1px rgba(232, 74, 42, 0.3);
        }

        .timeline-date {
            font-size: 13px;
            font-weight: 700;
            color: var(--text-muted-light);
            letter-spacing: 1px;
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .timeline-date .year {
            color: var(--acid);
            letter-spacing: 0;
        }

        .timeline-card {
            background-color: #ffffff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast);
        }

        .timeline-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
        }

        .timeline-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .timeline-card p {
            font-size: 14px;
            color: var(--text-muted-light);
            line-height: 1.75;
            margin-bottom: 10px;
        }

        .timeline-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }

        .timeline-tag {
            font-size: 12px;
            font-weight: 600;
            color: var(--ink);
            background-color: rgba(200, 255, 0, 0.15);
            padding: 2px 10px;
            border-radius: 20px;
            letter-spacing: 0.3px;
        }

        /* Stats strip */
        .stats-strip {
            background-color: var(--ink);
            padding: 48px 0;
            border-top: 1px solid var(--border-dark);
            border-bottom: 1px solid var(--border-dark);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }

        .stat-item .stat-number {
            font-size: 40px;
            font-weight: 800;
            color: var(--acid);
            letter-spacing: -1px;
            line-height: 1.1;
            margin-bottom: 6px;
        }

        .stat-item .stat-label {
            font-size: 14px;
            color: var(--text-muted-dark);
            letter-spacing: 0.5px;
        }

        /* Deep content */
        .deep-content-section {
            padding: 72px 0;
            background-color: var(--cream);
        }

        .deep-content-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: start;
        }

        .deep-content-text h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 16px;
            line-height: 1.4;
        }

        .deep-content-text p {
            font-size: 15px;
            color: var(--text-muted-light);
            line-height: 1.85;
            margin-bottom: 16px;
        }

        .deep-content-text .highlight-num {
            font-size: 18px;
            font-weight: 700;
            color: var(--ink);
        }

        .deep-content-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .deep-content-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        /* News */
        .news-section {
            padding: 72px 0;
            background-color: var(--cream2);
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            background-color: #ffffff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 18px 24px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .news-item:hover {
            border-color: rgba(200, 255, 0, 0.35);
            box-shadow: var(--shadow-card);
        }

        .news-date {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-muted-light);
            white-space: nowrap;
            padding-top: 2px;
            min-width: 72px;
        }

        .news-body {
            flex: 1;
        }

        .news-body h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 4px;
            line-height: 1.4;
        }

        .news-body p {
            font-size: 14px;
            color: var(--text-muted-light);
            line-height: 1.7;
            margin-bottom: 8px;
        }

        .news-more {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            font-weight: 600;
            color: var(--ink);
            transition: color var(--transition-fast);
        }

        .news-more:hover {
            color: var(--acid-dark);
        }

        .news-more::after {
            content: '→';
            transition: transform var(--transition-fast);
        }

        .news-more:hover::after {
            transform: translateX(3px);
        }

        /* Brand intro */
        .brand-section {
            padding: 72px 0;
            background-color: var(--ink);
        }

        .brand-card {
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
        }

        .brand-card h3 {
            font-size: 28px;
            font-weight: 800;
            color: var(--text-light);
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }

        .brand-card h3 span {
            color: var(--acid);
        }

        .brand-card p {
            font-size: 15px;
            color: var(--text-muted-dark);
            line-height: 1.85;
            text-align: left;
        }

        /* FAQ */
        .faq-section {
            padding: 72px 0;
            background-color: var(--cream);
        }

        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
        }

        .faq-item {
            border-bottom: 1px solid var(--border-light);
            padding: 18px 0;
            transition: border-color var(--transition-fast);
        }

        .faq-item:first-child {
            border-top: 1px solid var(--border-light);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            padding: 8px 0;
            transition: color var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--acid-dark);
        }

        .faq-question h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.5;
        }

        .faq-icon {
            width: 24px;
            height: 24px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            color: var(--ink);
            transition: transform var(--transition-fast);
            border: 1px solid var(--border-light);
            border-radius: 50%;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            color: var(--acid-dark);
            border-color: var(--acid);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding-top: 8px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--text-muted-light);
            line-height: 1.8;
            padding-bottom: 8px;
        }

        /* CTA form */
        .cta-section {
            padding: 72px 0;
            background-color: var(--ink2);
            border-top: 1px solid var(--border-dark);
        }

        .cta-form-card {
            max-width: 620px;
            margin: 0 auto;
            background-color: var(--ink3);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
        }

        .cta-form-card h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 8px;
        }

        .cta-form-card p {
            font-size: 14px;
            color: var(--text-muted-dark);
            margin-bottom: 24px;
            line-height: 1.7;
        }

        .form-group {
            margin-bottom: 16px;
        }

        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-muted-dark);
            margin-bottom: 6px;
            letter-spacing: 0.3px;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 10px 14px;
            font-size: 14px;
            color: var(--text-light);
            background-color: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-sm);
            transition: border-color var(--transition-fast), background-color var(--transition-fast);
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--acid);
            background-color: rgba(255, 255, 255, 0.08);
            outline: none;
        }

        .form-group input::placeholder,
        .form-group textarea::placeholder {
            color: var(--text-muted-dark);
        }

        .form-group select {
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2 4l4 4 4-4' stroke='%238A8A8E' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
            padding-right: 36px;
        }

        .form-group textarea {
            resize: vertical;
            min-height: 90px;
        }

        .form-submit {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 100%;
            padding: 13px 28px;
            font-size: 16px;
            font-weight: 700;
            color: var(--ink);
            background-color: var(--acid);
            border-radius: var(--radius-sm);
            transition: background-color var(--transition-fast), transform var(--transition-fast);
            margin-top: 8px;
        }

        .form-submit:hover {
            background-color: var(--acid-dark);
            transform: translateY(-1px);
        }

        /* Footer */
        .site-footer {
            background-color: #111113;
            padding: 56px 0 28px;
            border-top: 1px solid var(--border-dark);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }

        .footer-brand {
            max-width: 320px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 14px;
        }

        .footer-logo-icon {
            width: 28px;
            height: 28px;
            background-color: var(--acid);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 15px;
            color: var(--ink);
            letter-spacing: -0.5px;
        }

        .footer-logo-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-light);
            letter-spacing: -0.3px;
        }

        .footer-logo-text span {
            color: var(--acid);
        }

        .footer-desc {
            font-size: 13px;
            color: var(--text-muted-dark);
            line-height: 1.75;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .footer-col a {
            display: block;
            font-size: 13px;
            color: var(--text-muted-dark);
            padding: 4px 0;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--acid);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid var(--border-dark);
            font-size: 13px;
            color: var(--text-muted-dark);
        }

        .footer-bottom a {
            color: var(--text-muted-dark);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--acid);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-channels {
                gap: 0;
            }
            .nav-channel-link {
                padding: 6px 8px;
                font-size: 13px;
            }
            .nav-search {
                width: 120px;
            }
            .hero-membership h1 {
                font-size: 44px;
            }
            .section-title {
                font-size: 30px;
            }
            .tiers-grid {
                grid-template-columns: 1fr 1fr;
            }
            .tier-card.featured {
                grid-column: span 2;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-channels {
                display: none;
            }
            .nav-search {
                display: none;
            }
            .nav-login {
                display: none;
            }
            .nav-burger {
                display: flex;
            }
            .nav-mobile-menu {
                display: none;
            }
            .nav-mobile-menu.open {
                display: flex;
            }
            .hero-membership {
                padding: 110px 0 56px;
            }
            .hero-membership h1 {
                font-size: 36px;
                letter-spacing: -0.5px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .stat-item .stat-number {
                font-size: 30px;
            }
            .tiers-grid {
                grid-template-columns: 1fr;
            }
            .tier-card.featured {
                grid-column: span 1;
            }
            .deep-content-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .timeline-wrap {
                padding-left: 28px;
            }
            .timeline-line {
                left: 12px;
            }
            .timeline-dot {
                left: -28px;
                width: 12px;
                height: 12px;
            }
            .timeline-item {
                padding-left: 12px;
            }
            .section-title {
                font-size: 26px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .news-item {
                flex-direction: column;
                gap: 8px;
            }
            .cta-form-card {
                padding: 24px 18px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .nav-wrap {
                padding: 0 16px;
                height: 56px;
            }
            .nav-logo-text {
                font-size: 17px;
            }
            .nav-cta {
                padding: 6px 12px;
                font-size: 13px;
            }
            .hero-membership {
                padding: 96px 0 44px;
            }
            .hero-membership h1 {
                font-size: 29px;
                letter-spacing: -0.3px;
            }
            .hero-btn-primary,
            .hero-btn-secondary {
                padding: 10px 18px;
                font-size: 14px;
                width: 100%;
                justify-content: center;
            }
            .hero-actions {
                flex-direction: column;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stat-item .stat-number {
                font-size: 26px;
            }
            .section-title {
                font-size: 22px;
            }
            .section-head {
                margin-bottom: 32px;
            }
            :root {
                --section-gap: 56px;
            }
        }

/* roulang page: category6 */
:root {
            --ink: #111113;
            --ink2: #1A1A1C;
            --ink3: #1E1E20;
            --cream: #F5F4F0;
            --cream2: #F7F6F2;
            --acid: #C8FF00;
            --acid-dark: #B3E600;
            --ember: #E84A2A;
            --text-light: #F5F4F0;
            --text-dark: #1A1A1C;
            --text-muted-dark: #6B6B70;
            --text-muted-light: #8A8A8E;
            --border-dark: rgba(255, 255, 255, 0.10);
            --border-light: rgba(0, 0, 0, 0.08);
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 10px;
            --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
            --transition-fast: 200ms ease;
            --transition-smooth: 300ms ease;
            --container-max: 1280px;
            --section-gap: 72px;
            --section-gap-mobile: 48px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
            line-height: 1.75;
            color: var(--text-dark);
            background-color: var(--cream);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast), opacity var(--transition-fast);
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            outline: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background-color: rgba(17, 17, 19, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-dark);
            transition: background-color var(--transition-smooth), box-shadow var(--transition-smooth);
        }
        .site-header.scrolled {
            background-color: rgba(17, 17, 19, 0.98);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.3);
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            height: 64px;
            padding: 0 24px;
            max-width: var(--container-max);
            margin: 0 auto;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }
        .nav-logo-icon {
            width: 28px;
            height: 28px;
            background-color: var(--acid);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 15px;
            color: var(--ink);
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }
        .nav-logo-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-light);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }
        .nav-logo-text span {
            color: var(--acid);
        }
        .nav-channels {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .nav-channels::-webkit-scrollbar {
            display: none;
        }
        .nav-channel-link {
            display: inline-flex;
            align-items: center;
            padding: 6px 12px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted-dark);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: color var(--transition-fast), background-color var(--transition-fast);
            position: relative;
        }
        .nav-channel-link:hover {
            color: var(--acid);
            background-color: rgba(200, 255, 0, 0.06);
        }
        .nav-channel-link.active {
            color: var(--acid);
            background-color: rgba(200, 255, 0, 0.08);
        }
        .nav-channel-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 12px;
            right: 12px;
            height: 2px;
            background-color: var(--acid);
            border-radius: 1px;
        }
        .nav-right {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-search {
            display: flex;
            align-items: center;
            gap: 6px;
            background-color: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-sm);
            padding: 6px 10px;
            width: 160px;
            transition: border-color var(--transition-fast), background-color var(--transition-fast);
        }
        .nav-search:focus-within {
            border-color: var(--acid);
            background-color: rgba(255, 255, 255, 0.08);
        }
        .nav-search svg {
            width: 14px;
            height: 14px;
            color: var(--text-muted-dark);
            flex-shrink: 0;
        }
        .nav-search input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-light);
            font-size: 13px;
            width: 100%;
            min-width: 0;
            padding: 0;
        }
        .nav-search input::placeholder {
            color: var(--text-muted-dark);
            font-size: 13px;
        }
        .nav-btn-ghost {
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-light);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: border-color var(--transition-fast), color var(--transition-fast), background-color var(--transition-fast);
        }
        .nav-btn-ghost:hover {
            border-color: var(--acid);
            color: var(--acid);
            background-color: rgba(200, 255, 0, 0.06);
        }
        .nav-btn-primary {
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            font-size: 13px;
            font-weight: 700;
            background-color: var(--acid);
            color: var(--ink);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: background-color var(--transition-fast), transform var(--transition-fast);
        }
        .nav-btn-primary:hover {
            background-color: var(--acid-dark);
            transform: translateY(-1px);
        }
        .nav-hamburger {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            color: var(--text-light);
            border: 1px solid var(--border-dark);
            flex-shrink: 0;
            transition: border-color var(--transition-fast), color var(--transition-fast);
        }
        .nav-hamburger:hover {
            border-color: var(--acid);
            color: var(--acid);
        }
        .nav-hamburger svg {
            width: 20px;
            height: 20px;
        }

        /* Buttons */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 700;
            background-color: var(--acid);
            color: var(--ink);
            border-radius: var(--radius-md);
            transition: background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            white-space: nowrap;
        }
        .btn-primary:hover {
            background-color: var(--acid-dark);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(200, 255, 0, 0.3);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-light);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            transition: border-color var(--transition-fast), color var(--transition-fast), background-color var(--transition-fast);
            white-space: nowrap;
        }
        .btn-outline-light:hover {
            border-color: var(--acid);
            color: var(--acid);
            background-color: rgba(200, 255, 0, 0.06);
        }
        .btn-outline-dark {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-dark);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            transition: border-color var(--transition-fast), color var(--transition-fast), background-color var(--transition-fast);
            white-space: nowrap;
        }
        .btn-outline-dark:hover {
            border-color: var(--ink);
            color: var(--ink);
            background-color: rgba(0, 0, 0, 0.04);
        }

        /* Form styles */
        .form-field {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .form-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-dark);
        }
        .form-label .required {
            color: var(--ember);
            font-weight: 700;
        }
        .form-input,
        .form-select,
        .form-textarea {
            padding: 10px 14px;
            font-size: 14px;
            color: var(--text-dark);
            background-color: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            width: 100%;
        }
        .form-input:focus,
        .form-select:focus,
        .form-textarea:focus {
            border-color: var(--ink);
            box-shadow: 0 0 0 3px rgba(17, 17, 19, 0.08);
        }
        .form-textarea {
            resize: vertical;
            min-height: 100px;
            line-height: 1.6;
        }
        .form-checkbox-group {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .form-checkbox-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-dark);
            background-color: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: border-color var(--transition-fast), background-color var(--transition-fast), color var(--transition-fast);
            user-select: none;
        }
        .form-checkbox-item:hover {
            border-color: var(--ink);
        }
        .form-checkbox-item:has(input:checked) {
            border-color: var(--ink);
            background-color: var(--ink);
            color: var(--text-light);
        }
        .form-checkbox-item input {
            display: none;
        }
        .form-radio-group {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .form-radio-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-dark);
            background-color: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: border-color var(--transition-fast), background-color var(--transition-fast), color var(--transition-fast);
            user-select: none;
        }
        .form-radio-item:hover {
            border-color: var(--ink);
        }
        .form-radio-item:has(input:checked) {
            border-color: var(--ink);
            background-color: var(--ink);
            color: var(--text-light);
        }
        .form-radio-item input {
            display: none;
        }
        .form-hint {
            font-size: 12px;
            color: var(--text-muted-light);
        }

        /* FAQ */
        .faq-accordion {
            border-top: 1px solid var(--border-light);
        }
        .faq-item {
            border-bottom: 1px solid var(--border-light);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 0;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-dark);
            cursor: pointer;
            transition: color var(--transition-fast);
            background: transparent;
            width: 100%;
            text-align: left;
        }
        .faq-question:hover {
            color: var(--ink);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background-color: rgba(0, 0, 0, 0.04);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-dark);
            transition: transform var(--transition-fast), background-color var(--transition-fast);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background-color: var(--acid);
            color: var(--ink);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding-bottom: 20px;
        }
        .faq-answer p {
            font-size: 15px;
            color: var(--text-muted-light);
            line-height: 1.8;
            padding-right: 40px;
        }

        /* Footer */
        .site-footer {
            background-color: var(--ink);
            color: var(--text-muted-dark);
            padding-top: 48px;
            padding-bottom: 24px;
            border-top: 1px solid var(--border-dark);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 16px;
        }
        .footer-logo-icon {
            width: 28px;
            height: 28px;
            background-color: var(--acid);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 15px;
            color: var(--ink);
        }
        .footer-logo-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-light);
        }
        .footer-logo-text span {
            color: var(--acid);
        }
        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-muted-dark);
            max-width: 360px;
        }
        .footer-col-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 14px;
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: var(--text-muted-dark);
            padding: 4px 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--acid);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            padding-top: 16px;
            border-top: 1px solid var(--border-dark);
            font-size: 13px;
            color: var(--text-muted-dark);
        }
        .footer-bottom a {
            color: var(--text-muted-dark);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--acid);
        }

        /* Section */
        .section-gap {
            padding-top: var(--section-gap);
            padding-bottom: var(--section-gap);
        }
        .section-title {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-dark);
            letter-spacing: -0.5px;
            margin-bottom: 12px;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-muted-light);
            line-height: 1.8;
            max-width: 680px;
        }

        /* Card */
        .card {
            background-color: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-fast), transform var(--transition-fast);
        }
        .card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .card-dark {
            background-color: var(--ink3);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-dark);
            transition: border-color var(--transition-fast), transform var(--transition-fast);
        }
        .card-dark:hover {
            border-color: rgba(200, 255, 0, 0.3);
            transform: translateY(-3px);
        }

        /* Hero */
        .hero-dark {
            background-color: var(--ink);
            color: var(--text-light);
            padding-top: 120px;
            padding-bottom: 72px;
            position: relative;
            overflow: hidden;
        }
        .hero-dark::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            z-index: 0;
        }
        .hero-dark > * {
            position: relative;
            z-index: 1;
        }

        /* Info card */
        .info-card {
            background-color: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            padding: 20px;
            box-shadow: var(--shadow-card);
        }
        .info-card-dark {
            background-color: var(--ink3);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-dark);
            padding: 20px;
        }

        /* Mobile menu */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background-color: rgba(17, 17, 19, 0.98);
            border-bottom: 1px solid var(--border-dark);
            z-index: 999;
            padding: 16px 24px;
            max-height: calc(100vh - 64px);
            overflow-y: auto;
        }
        .mobile-menu.open {
            display: block;
        }
        .mobile-menu a {
            display: block;
            padding: 12px 0;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-muted-dark);
            border-bottom: 1px solid var(--border-dark);
            transition: color var(--transition-fast);
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--acid);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-channels {
                display: none;
            }
            .nav-hamburger {
                display: flex;
            }
            .nav-search {
                display: none;
            }
            .nav-right .nav-btn-ghost {
                display: none;
            }
            .section-title {
                font-size: 26px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 48px;
            }
            .section-title {
                font-size: 22px;
            }
            .hero-dark {
                padding-top: 100px;
                padding-bottom: 48px;
            }
            .nav-wrap {
                height: 56px;
                padding: 0 16px;
            }
            .nav-logo-text {
                font-size: 18px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .form-checkbox-group,
            .form-radio-group {
                flex-direction: column;
            }
            .form-checkbox-item,
            .form-radio-item {
                width: 100%;
            }
        }

        @media (max-width: 520px) {
            .section-title {
                font-size: 20px;
            }
            .btn-primary,
            .btn-outline-light {
                padding: 10px 18px;
                font-size: 14px;
            }
            .nav-btn-primary {
                padding: 6px 10px;
                font-size: 12px;
            }
            .nav-logo-icon {
                width: 24px;
                height: 24px;
                font-size: 13px;
            }
        }

/* roulang page: category5 */
:root {
            --ink: #111113;
            --ink2: #1A1A1C;
            --ink3: #1E1E20;
            --cream: #F5F4F0;
            --cream2: #F7F6F2;
            --acid: #C8FF00;
            --acid-dark: #B3E600;
            --ember: #E84A2A;
            --text-light: #F5F4F0;
            --text-dark: #1A1A1C;
            --text-muted-dark: #6B6B70;
            --text-muted-light: #8A8A8E;
            --border-dark: rgba(255, 255, 255, 0.10);
            --border-light: rgba(0, 0, 0, 0.08);
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 10px;
            --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
            --transition-fast: 200ms ease;
            --transition-smooth: 300ms ease;
            --container-max: 1280px;
            --section-gap: 96px;
            --section-gap-mobile: 56px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
            line-height: 1.75;
            color: var(--text-dark);
            background-color: var(--cream);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast), opacity var(--transition-fast);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background-color: rgba(17, 17, 19, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-dark);
            transition: background-color var(--transition-smooth), box-shadow var(--transition-smooth);
        }

        .site-header.scrolled {
            background-color: rgba(17, 17, 19, 0.98);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.3);
        }

        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            height: 64px;
            padding: 0 24px;
            max-width: var(--container-max);
            margin: 0 auto;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .nav-logo-icon {
            width: 28px;
            height: 28px;
            background-color: var(--acid);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 15px;
            color: var(--ink);
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }

        .nav-logo-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-light);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }

        .nav-logo-text span {
            color: var(--acid);
        }

        .nav-channels {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .nav-channels::-webkit-scrollbar {
            display: none;
        }

        .nav-channel-link {
            display: inline-flex;
            align-items: center;
            padding: 6px 12px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted-dark);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: color var(--transition-fast), background-color var(--transition-fast);
            position: relative;
        }

        .nav-channel-link:hover {
            color: var(--acid);
            background-color: rgba(200, 255, 0, 0.06);
        }

        .nav-channel-link.active {
            color: var(--acid);
            background-color: rgba(200, 255, 0, 0.08);
        }

        .nav-channel-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 12px;
            right: 12px;
            height: 2px;
            background-color: var(--acid);
            border-radius: 1px;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-search {
            display: flex;
            align-items: center;
            gap: 6px;
            background-color: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-sm);
            padding: 6px 10px;
            width: 160px;
            transition: border-color var(--transition-fast), background-color var(--transition-fast);
        }

        .nav-search:focus-within {
            border-color: var(--acid);
            background-color: rgba(255, 255, 255, 0.08);
        }

        .nav-search svg {
            width: 14px;
            height: 14px;
            color: var(--text-muted-dark);
            flex-shrink: 0;
        }

        .nav-search input {
            width: 100%;
            background: none;
            border: none;
            outline: none;
            color: var(--text-light);
            font-size: 13px;
            padding: 0;
        }

        .nav-search input::placeholder {
            color: var(--text-muted-dark);
        }

        .nav-btn-outline {
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-light);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: border-color var(--transition-fast), color var(--transition-fast), background-color var(--transition-fast);
        }

        .nav-btn-outline:hover {
            border-color: var(--acid);
            color: var(--acid);
            background-color: rgba(200, 255, 0, 0.04);
        }

        .nav-btn-solid {
            display: inline-flex;
            align-items: center;
            padding: 6px 16px;
            font-size: 14px;
            font-weight: 700;
            color: var(--ink);
            background-color: var(--acid);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: background-color var(--transition-fast), transform var(--transition-fast);
        }

        .nav-btn-solid:hover {
            background-color: var(--acid-dark);
            transform: translateY(-1px);
        }

        .nav-btn-solid:active {
            transform: translateY(0);
        }

        .nav-hamburger {
            display: none;
            flex-direction: column;
            gap: 4px;
            background: none;
            border: none;
            padding: 4px;
            cursor: pointer;
        }

        .nav-hamburger span {
            width: 22px;
            height: 2px;
            background-color: var(--text-light);
            border-radius: 1px;
            transition: transform var(--transition-fast), opacity var(--transition-fast);
        }

        .mobile-menu {
            display: none;
            padding: 12px 24px 20px;
            background-color: rgba(17, 17, 19, 0.98);
            border-bottom: 1px solid var(--border-dark);
        }

        .mobile-menu .nav-channel-link {
            display: block;
            padding: 10px 12px;
            font-size: 15px;
        }

        .mobile-menu .nav-channel-link.active {
            color: var(--acid);
            background-color: rgba(200, 255, 0, 0.06);
        }

        @media (max-width: 1024px) {
            .nav-channels {
                display: none;
            }
            .nav-search {
                width: 130px;
            }
            .nav-hamburger {
                display: flex;
            }
            .mobile-menu.open {
                display: block;
            }
        }

        @media (max-width: 640px) {
            .nav-wrap {
                padding: 0 16px;
                gap: 8px;
            }
            .nav-search {
                display: none;
            }
            .nav-btn-outline {
                display: none;
            }
            .nav-logo-text {
                font-size: 17px;
            }
            .nav-btn-solid {
                padding: 5px 12px;
                font-size: 13px;
            }
        }

        .page-hero {
            padding-top: 120px;
            padding-bottom: 60px;
            background-color: var(--ink);
            position: relative;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            pointer-events: none;
        }

        .page-hero .container {
            position: relative;
            z-index: 1;
        }

        .page-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: rgba(200, 255, 0, 0.10);
            border: 1px solid rgba(200, 255, 0, 0.25);
            color: var(--acid);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .page-hero h1 {
            font-size: 48px;
            font-weight: 800;
            color: var(--text-light);
            letter-spacing: -1px;
            line-height: 1.2;
            margin-bottom: 16px;
        }

        .page-hero h1 .accent {
            color: var(--acid);
        }

        .page-hero-desc {
            font-size: 17px;
            color: var(--text-muted-dark);
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 28px;
        }

        .hero-search-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            max-width: 560px;
            background-color: rgba(255, 255, 255, 0.07);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            padding: 8px 12px;
            transition: border-color var(--transition-fast), background-color var(--transition-fast);
        }

        .hero-search-wrap:focus-within {
            border-color: var(--acid);
            background-color: rgba(255, 255, 255, 0.09);
        }

        .hero-search-wrap svg {
            width: 18px;
            height: 18px;
            color: var(--text-muted-dark);
            flex-shrink: 0;
        }

        .hero-search-wrap input {
            flex: 1;
            background: none;
            border: none;
            outline: none;
            color: var(--text-light);
            font-size: 15px;
        }

        .hero-search-wrap input::placeholder {
            color: var(--text-muted-dark);
        }

        .hero-search-wrap button {
            background-color: var(--acid);
            color: var(--ink);
            font-weight: 700;
            font-size: 14px;
            padding: 8px 20px;
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: background-color var(--transition-fast);
        }

        .hero-search-wrap button:hover {
            background-color: var(--acid-dark);
        }

        .filter-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 20px;
        }

        .filter-tab {
            padding: 6px 16px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-muted-dark);
            background-color: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-dark);
            border-radius: 20px;
            white-space: nowrap;
            transition: all var(--transition-fast);
        }

        .filter-tab:hover {
            color: var(--text-light);
            border-color: rgba(255, 255, 255, 0.25);
        }

        .filter-tab.active {
            color: var(--ink);
            background-color: var(--acid);
            border-color: var(--acid);
            font-weight: 600;
        }

        .resource-section {
            padding: 72px 0;
            background-color: var(--cream2);
        }

        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 36px;
            flex-wrap: wrap;
        }

        .section-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--ink);
            letter-spacing: -0.6px;
            line-height: 1.3;
        }

        .section-title .accent {
            color: var(--acid-dark);
        }

        .section-sub {
            font-size: 15px;
            color: var(--text-muted-light);
            max-width: 520px;
            line-height: 1.7;
        }

        .resource-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        @media (max-width: 1024px) {
            .resource-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .resource-grid {
                grid-template-columns: 1fr;
            }
        }

        .resource-card {
            background-color: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: box-shadow var(--transition-smooth), transform var(--transition-smooth), border-color var(--transition-fast);
        }

        .resource-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: rgba(0, 0, 0, 0.12);
        }

        .resource-card-image {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            background-color: var(--ink2);
        }

        .resource-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

        .resource-card:hover .resource-card-image img {
            transform: scale(1.04);
        }

        .resource-card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background-color: rgba(17, 17, 19, 0.85);
            color: var(--acid);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: var(--radius-sm);
            letter-spacing: 0.3px;
            backdrop-filter: blur(6px);
        }

        .resource-card-icon {
            position: absolute;
            bottom: 12px;
            right: 12px;
            width: 40px;
            height: 40px;
            background-color: var(--acid);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--ink);
            font-size: 18px;
            font-weight: 800;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.25);
        }

        .resource-card-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .resource-card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .resource-card-desc {
            font-size: 14px;
            color: var(--text-muted-light);
            line-height: 1.65;
            flex: 1;
            margin-bottom: 16px;
        }

        .resource-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 12px;
            border-top: 1px solid var(--border-light);
        }

        .resource-card-date {
            font-size: 12px;
            color: var(--text-muted-light);
        }

        .resource-card-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            font-weight: 600;
            color: var(--acid-dark);
            transition: color var(--transition-fast);
        }

        .resource-card-link:hover {
            color: var(--ink);
        }

        .resource-card-link svg {
            width: 14px;
            height: 14px;
        }

        .featured-section {
            padding: 72px 0;
            background-color: var(--ink);
        }

        .featured-section .section-title {
            color: var(--text-light);
        }

        .featured-section .section-sub {
            color: var(--text-muted-dark);
        }

        .featured-card {
            background-color: var(--ink3);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: border-color var(--transition-fast), transform var(--transition-smooth);
        }

        .featured-card:hover {
            border-color: rgba(200, 255, 0, 0.3);
            transform: translateY(-2px);
        }

        .featured-card-image {
            aspect-ratio: 16/7;
            overflow: hidden;
        }

        .featured-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .featured-card-body {
            padding: 24px;
        }

        .featured-card-tag {
            display: inline-block;
            background-color: rgba(200, 255, 0, 0.12);
            color: var(--acid);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: var(--radius-sm);
            margin-bottom: 10px;
            letter-spacing: 0.3px;
        }

        .featured-card-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .featured-card-desc {
            font-size: 14px;
            color: var(--text-muted-dark);
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .featured-card-link {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 14px;
            font-weight: 600;
            color: var(--acid);
            transition: color var(--transition-fast);
        }

        .featured-card-link:hover {
            color: var(--text-light);
        }

        .stats-section {
            padding: 64px 0;
            background-color: var(--cream);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .page-hero h1 {
                font-size: 36px;
            }
            .section-title {
                font-size: 26px;
            }
        }

        @media (max-width: 640px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .page-hero h1 {
                font-size: 28px;
            }
            .section-title {
                font-size: 22px;
            }
            .page-hero {
                padding-top: 96px;
                padding-bottom: 40px;
            }
        }

        .stat-card {
            background-color: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 20px;
            text-align: center;
            transition: box-shadow var(--transition-fast), transform var(--transition-fast);
        }

        .stat-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .stat-number {
            font-size: 36px;
            font-weight: 800;
            color: var(--ink);
            letter-spacing: -1px;
            line-height: 1.2;
            font-family: ui-monospace, 'SF Mono', 'Cascadia Code', monospace;
        }

        .stat-number .accent {
            color: var(--acid-dark);
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-muted-light);
            margin-top: 6px;
            font-weight: 500;
        }

        .content-section {
            padding: 72px 0;
            background-color: var(--cream2);
        }

        .content-section.alt {
            background-color: var(--cream);
        }

        .content-section.dark {
            background-color: var(--ink);
        }

        .content-section.dark .section-title {
            color: var(--text-light);
        }

        .content-section.dark p {
            color: var(--text-muted-dark);
        }

        .content-section.dark h3 {
            color: var(--text-light);
        }

        .content-body {
            max-width: 820px;
        }

        .content-body h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 14px;
            margin-top: 28px;
            letter-spacing: -0.3px;
        }

        .content-section.dark .content-body h3 {
            color: var(--text-light);
        }

        .content-body p {
            font-size: 16px;
            color: var(--text-dark);
            line-height: 1.85;
            margin-bottom: 16px;
        }

        .content-section.dark .content-body p {
            color: var(--text-muted-dark);
        }

        .content-body ul {
            list-style: none;
            padding: 0;
            margin: 16px 0 20px;
        }

        .content-body ul li {
            position: relative;
            padding-left: 24px;
            font-size: 15px;
            color: var(--text-dark);
            line-height: 1.7;
            margin-bottom: 10px;
        }

        .content-section.dark .content-body ul li {
            color: var(--text-muted-dark);
        }

        .content-body ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 9px;
            width: 8px;
            height: 8px;
            background-color: var(--acid);
            border-radius: 2px;
        }

        .content-highlight {
            font-size: 18px;
            font-weight: 700;
            color: var(--ink);
            border-left: 3px solid var(--acid);
            padding-left: 16px;
            margin: 24px 0;
            line-height: 1.6;
        }

        .content-section.dark .content-highlight {
            color: var(--acid);
        }

        .faq-section {
            padding: 72px 0;
            background-color: var(--cream);
        }

        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--border-light);
        }

        .faq-item:first-child {
            border-top: 1px solid var(--border-light);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 4px;
            font-size: 16px;
            font-weight: 700;
            color: var(--ink);
            text-align: left;
            background: none;
            border: none;
            transition: color var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--acid-dark);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background-color: rgba(0, 0, 0, 0.05);
            font-size: 18px;
            font-weight: 700;
            color: var(--ink);
            transition: transform var(--transition-fast), background-color var(--transition-fast);
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background-color: var(--acid);
            color: var(--ink);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 4px;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding-bottom: 18px;
        }

        .faq-answer p {
            font-size: 15px;
            color: var(--text-muted-light);
            line-height: 1.7;
        }

        .cta-section {
            padding: 80px 0;
            background-color: var(--ink);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
        }

        .cta-card {
            background-color: rgba(30, 30, 32, 0.92);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            padding: 40px;
            max-width: 680px;
            margin: 0 auto;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }

        .cta-card h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--text-light);
            margin-bottom: 10px;
            letter-spacing: -0.4px;
        }

        .cta-card p {
            font-size: 15px;
            color: var(--text-muted-dark);
            line-height: 1.7;
            margin-bottom: 24px;
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
            margin-bottom: 14px;
        }

        @media (max-width: 640px) {
            .form-row {
                grid-template-columns: 1fr;
            }
        }

        .form-field {
            display: flex;
            flex-direction: column;
            gap: 5px;
        }

        .form-field label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-muted-dark);
        }

        .form-field input,
        .form-field select,
        .form-field textarea {
            background-color: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-sm);
            padding: 10px 12px;
            color: var(--text-light);
            font-size: 14px;
            transition: border-color var(--transition-fast), background-color var(--transition-fast);
            width: 100%;
        }

        .form-field textarea {
            min-height: 90px;
            resize: vertical;
        }

        .form-field input:focus,
        .form-field select:focus,
        .form-field textarea:focus {
            border-color: var(--acid);
            background-color: rgba(255, 255, 255, 0.08);
            outline: none;
        }

        .form-field select option {
            background-color: var(--ink2);
            color: var(--text-light);
        }

        .form-submit {
            width: 100%;
            padding: 12px 20px;
            background-color: var(--acid);
            color: var(--ink);
            font-size: 16px;
            font-weight: 700;
            border-radius: var(--radius-sm);
            transition: background-color var(--transition-fast), transform var(--transition-fast);
            margin-top: 8px;
        }

        .form-submit:hover {
            background-color: var(--acid-dark);
            transform: translateY(-1px);
        }

        .form-submit:active {
            transform: translateY(0);
        }

        .site-footer {
            background-color: #111113;
            padding: 56px 0 24px;
            border-top: 1px solid var(--border-dark);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 14px;
        }

        .footer-logo-icon {
            width: 28px;
            height: 28px;
            background-color: var(--acid);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 15px;
            color: var(--ink);
        }

        .footer-logo-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-light);
        }

        .footer-logo-text span {
            color: var(--acid);
        }

        .footer-desc {
            font-size: 14px;
            color: var(--text-muted-dark);
            line-height: 1.7;
            max-width: 360px;
        }

        .footer-col-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 14px;
            letter-spacing: -0.2px;
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            color: var(--text-muted-dark);
            margin-bottom: 8px;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--acid);
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid var(--border-dark);
            font-size: 13px;
            color: var(--text-muted-dark);
        }

        .footer-bottom a {
            color: var(--text-muted-dark);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--acid);
        }

        .footer-bottom strong {
            color: var(--acid);
        }

        @media (max-width: 640px) {
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        .icon-doc {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            color: var(--ink);
        }
