/* roulang page: index */
:root {
            --bg-primary: #0A0E17;
            --bg-surface: #111827;
            --bg-surface-light: #1F2937;
            --accent: #00F0C0;
            --accent-purple: #7B61FF;
            --accent-amber: #F5B800;
            --text-primary: #F9FAFB;
            --text-body: #D1D5DB;
            --text-muted: #9CA3AF;
            --border-color: rgba(255,255,255,0.08);
            --border-hover: rgba(0,240,192,0.55);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-card: 0 6px 20px rgba(0,0,0,0.25);
            --shadow-hover: 0 12px 28px rgba(0,240,192,0.08);
            --font-title: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", sans-serif;
            --font-mono: "Space Grotesk", "Inter", "Roboto Mono", monospace;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-title);
            background-color: var(--bg-primary);
            color: var(--text-body);
            font-size: 16px;
            line-height: 1.8;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color .2s ease, border-color .2s ease, background-color .2s ease, opacity .2s ease;
        }

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

        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
        }

        button {
            cursor: pointer;
            background: none;
            border: none;
            color: inherit;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: 60px 0;
            position: relative;
        }

        .section-alt {
            background-color: rgba(17,24,39,0.55);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .section-title {
            font-size: 28px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            margin-bottom: 12px;
            line-height: 1.35;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 720px;
            margin-bottom: 36px;
            line-height: 1.8;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .card {
            background: linear-gradient(145deg, #111827 0%, #1F2937 100%);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
        }

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

        .card-image {
            border-radius: var(--radius-sm);
            overflow: hidden;
            position: relative;
            background: #0A0E17;
            aspect-ratio: 16/9;
        }

        .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-sm);
            padding: 10px 20px;
            font-weight: 700;
            font-size: 14px;
            transition: all .25s ease;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .btn-primary {
            background-color: var(--accent);
            color: #0A0E17;
            border: 1px solid var(--accent);
        }

        .btn-primary:hover {
            background-color: #2DEA9B;
            border-color: #2DEA9B;
            box-shadow: 0 0 20px rgba(0,240,192,0.25);
            transform: translateY(-2px);
        }

        .btn-secondary {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid rgba(255,255,255,0.25);
        }

        .btn-secondary:hover {
            border-color: var(--accent);
            color: var(--accent);
            box-shadow: 0 0 16px rgba(0,240,192,0.12);
            transform: translateY(-2px);
        }

        .btn-outline-accent {
            background: transparent;
            color: var(--accent);
            border: 1px solid var(--accent);
        }
        .btn-outline-accent:hover {
            background: rgba(0,240,192,0.08);
            box-shadow: 0 0 16px rgba(0,240,192,0.15);
        }

        .tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            letter-spacing: 0.04em;
        }
        .tag-accent {
            color: var(--accent);
            background: rgba(0,240,192,0.08);
            border: 1px solid rgba(0,240,192,0.2);
        }
        .tag-purple {
            color: var(--accent-purple);
            background: rgba(123,97,255,0.08);
            border: 1px solid rgba(123,97,255,0.2);
        }
        .tag-amber {
            color: var(--accent-amber);
            background: rgba(245,184,0,0.08);
            border: 1px solid rgba(245,184,0,0.2);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-mono);
            font-size: 22px;
            font-weight: 700;
            color: var(--accent);
        }

        .icon-circle {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(0,240,192,0.08);
            border: 1px solid rgba(0,240,192,0.2);
            color: var(--accent);
            font-size: 18px;
            flex-shrink: 0;
        }

        .app-shell {
            display: flex;
            min-height: 100vh;
        }

        .sidebar {
            position: fixed;
            left: 0;
            top: 0;
            bottom: 0;
            width: 240px;
            background: #0B0F1A;
            border-right: 1px solid rgba(255,255,255,0.06);
            display: flex;
            flex-direction: column;
            z-index: 50;
            transition: transform .3s ease;
        }

        .sidebar-logo {
            padding: 20px 20px 16px;
            border-bottom: 1px solid rgba(255,255,255,0.06);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .sidebar-logo-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.06em;
            line-height: 1.2;
        }

        .sidebar-logo-sub {
            font-size: 10px;
            color: var(--text-muted);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-top: 2px;
        }

        .sidebar-nav {
            flex: 1;
            padding: 16px 12px;
            display: flex;
            flex-direction: column;
            gap: 4px;
            overflow-y: auto;
        }

        .sidebar-nav-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            color: var(--text-body);
            font-size: 14px;
            font-weight: 600;
            position: relative;
            transition: all .2s ease;
            border-left: 2px solid transparent;
        }

        .sidebar-nav-link:hover {
            background: rgba(255,255,255,0.04);
            color: var(--text-primary);
        }

        .sidebar-nav-link.active {
            background: rgba(0,240,192,0.08);
            color: var(--accent);
            border-left-color: var(--accent);
        }

        .sidebar-nav-link i {
            width: 18px;
            text-align: center;
            font-size: 15px;
        }

        .sidebar-footer {
            padding: 14px 20px;
            border-top: 1px solid rgba(255,255,255,0.06);
            display: flex;
            flex-direction: column;
            gap: 8px;
            font-size: 12px;
            color: var(--text-muted);
        }

        .sidebar-footer a {
            color: var(--text-muted);
            font-size: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color .2s ease;
        }
        .sidebar-footer a:hover {
            color: var(--accent);
        }

        .main-content {
            flex: 1;
            margin-left: 240px;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }

        .mobile-header {
            display: none;
            height: 56px;
            background: #0B0F1A;
            border-bottom: 1px solid rgba(255,255,255,0.06);
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
            position: sticky;
            top: 0;
            z-index: 60;
        }

        .mobile-header .hamburger {
            display: flex;
            flex-direction: column;
            gap: 5px;
            padding: 6px;
            background: none;
            border: none;
            cursor: pointer;
        }
        .mobile-header .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all .3s ease;
        }
        .mobile-header .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .mobile-header .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .mobile-header .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0,0,0,0.6);
            z-index: 55;
            opacity: 0;
            transition: opacity .3s ease;
        }
        .drawer-overlay.active {
            display: block;
            opacity: 1;
        }

        .hero-section {
            min-height: 86vh;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
            background: #0A0E17;
            border-bottom: 1px solid var(--border-color);
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            overflow: hidden;
            pointer-events: none;
        }
        .hero-bg::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10,14,23,0.92) 0%, rgba(10,14,23,0.75) 40%, rgba(10,14,23,0.85) 100%);
            z-index: 2;
        }
        .hero-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: 1;
        }

        .pixel-grid {
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(0,240,192,0.06) 1px, transparent 1px), linear-gradient(90deg, rgba(0,240,192,0.06) 1px, transparent 1px);
            background-size: 40px 40px;
            z-index: 3;
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 5;
        }

        .hero-form {
            background: rgba(17,24,39,0.85);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            backdrop-filter: blur(12px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.4);
        }

        .hero-form input {
            width: 100%;
            background: #0A0E17;
            border: 1px solid rgba(255,255,255,0.15);
            border-radius: var(--radius-sm);
            padding: 12px 14px;
            color: var(--text-primary);
            font-size: 14px;
            outline: none;
            transition: border-color .2s ease, box-shadow .2s ease;
        }
        .hero-form input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(0,240,192,0.12);
        }
        .hero-form input::placeholder {
            color: var(--text-muted);
        }

        .stat-badge {
            display: flex;
            align-items: center;
            gap: 10px;
            background: rgba(17,24,39,0.7);
            border: 1px solid rgba(255,255,255,0.08);
            border-radius: var(--radius-md);
            padding: 12px 18px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .stat-badge .num {
            font-family: var(--font-mono);
            font-size: 24px;
            font-weight: 700;
            color: var(--accent);
        }

        .timeline {
            position: relative;
            padding-left: 20px;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 0;
            top: 6px;
            bottom: 6px;
            width: 2px;
            background: rgba(0,240,192,0.25);
        }
        .timeline-item {
            position: relative;
            padding-left: 28px;
            margin-bottom: 20px;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -6px;
            top: 4px;
            width: 14px;
            height: 14px;
            background: var(--accent);
            border-radius: 50%;
            border: 3px solid #0A0E17;
            box-shadow: 0 0 10px rgba(0,240,192,0.4);
        }

        .progress-bar {
            height: 8px;
            background: rgba(255,255,255,0.06);
            border-radius: 999px;
            overflow: hidden;
            margin-top: 8px;
        }
        .progress-bar .fill {
            height: 100%;
            border-radius: 999px;
            background: linear-gradient(90deg, #00F0C0, #2DEA9B);
            transition: width 1s ease;
        }
        .progress-bar .fill-purple {
            background: linear-gradient(90deg, #7B61FF, #A78BFA);
        }
        .progress-bar .fill-amber {
            background: linear-gradient(90deg, #F5B800, #FBBF24);
        }

        .faq-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color .3s ease;
            background: rgba(17,24,39,0.5);
        }
        .faq-item:hover {
            border-color: rgba(0,240,192,0.35);
        }
        .faq-item button {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 16px 20px;
            font-weight: 700;
            font-size: 15px;
            color: var(--text-primary);
            text-align: left;
            gap: 16px;
        }
        .faq-item button i {
            color: var(--accent);
            transition: transform .3s ease;
            flex-shrink: 0;
        }
        .faq-item.open button i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease;
            padding: 0 20px;
            color: var(--text-body);
            font-size: 14px;
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            max-height: 240px;
            padding-bottom: 18px;
        }

        .news-item {
            display: flex;
            flex-direction: column;
            gap: 10px;
            padding: 18px 0;
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }
        .news-item:last-child {
            border-bottom: none;
        }
        .news-date {
            font-family: var(--font-mono);
            font-size: 12px;
            color: var(--accent-amber);
            letter-spacing: 0.04em;
        }
        .news-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.5;
        }
        .news-title:hover {
            color: var(--accent);
        }
        .news-excerpt {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .site-footer {
            background: #070A12;
            border-top: 1px solid rgba(255,255,255,0.06);
            padding: 48px 0 24px;
            margin-top: auto;
        }
        .site-footer a {
            color: var(--text-muted);
            font-size: 13px;
            transition: color .2s ease;
        }
        .site-footer a:hover {
            color: var(--accent);
        }
        .site-footer h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }
        .site-footer p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.06);
            padding-top: 18px;
            margin-top: 28px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: var(--text-muted);
        }

        .image-placeholder {
            width: 100%;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #0A0E17 0%, #1F2937 100%);
            color: var(--text-muted);
            font-size: 13px;
        }

        .scroll-track {
            display: flex;
            overflow-x: auto;
            gap: 18px;
            padding: 4px 0 16px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: rgba(0,240,192,0.3) transparent;
        }
        .scroll-track::-webkit-scrollbar {
            height: 4px;
        }
        .scroll-track::-webkit-scrollbar-track {
            background: transparent;
        }
        .scroll-track::-webkit-scrollbar-thumb {
            background: rgba(0,240,192,0.3);
            border-radius: 999px;
        }
        .scroll-card {
            flex: 0 0 280px;
            scroll-snap-align: start;
        }

        .focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        @media (max-width: 1024px) {
            .sidebar {
                width: 220px;
            }
            .main-content {
                margin-left: 220px;
            }
            .section-title {
                font-size: 24px;
            }
            .scroll-card {
                flex: 0 0 240px;
            }
        }

        @media (max-width: 768px) {
            .sidebar {
                transform: translateX(-100%);
                width: 78vw;
                max-width: 300px;
                box-shadow: 0 0 30px rgba(0,0,0,0.5);
            }
            .sidebar.open {
                transform: translateX(0);
            }
            .main-content {
                margin-left: 0;
            }
            .mobile-header {
                display: flex;
            }
            .drawer-overlay {
                display: block;
            }
            .section {
                padding: 36px 0;
            }
            .section-title {
                font-size: 22px;
            }
            .hero-section {
                min-height: auto;
                padding: 60px 0 40px;
            }
            .hero-form {
                padding: 20px 16px;
            }
            .card {
                padding: 18px;
            }
            .scroll-card {
                flex: 0 0 240px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .container {
                padding: 0 16px;
            }
        }

        @media (max-width: 520px) {
            .section-title {
                font-size: 20px;
            }
            .btn {
                padding: 8px 16px;
                font-size: 13px;
            }
            .stat-badge .num {
                font-size: 20px;
            }
            .news-title {
                font-size: 15px;
            }
            .scroll-card {
                flex: 0 0 200px;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0A0E17;
            --bg-surface: #111827;
            --bg-surface-light: #1F2937;
            --accent: #00F0C0;
            --accent-purple: #7B61FF;
            --accent-amber: #F5B800;
            --text-primary: #F9FAFB;
            --text-body: #D1D5DB;
            --text-muted: #9CA3AF;
            --border-color: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(0, 240, 192, 0.55);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-card: 0 6px 20px rgba(0, 0, 0, 0.25);
            --shadow-hover: 0 12px 28px rgba(0, 240, 192, 0.08);
            --font-title: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", sans-serif;
            --font-mono: "Space Grotesk", "Inter", "Roboto Mono", monospace;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-title);
            background-color: var(--bg-primary);
            color: var(--text-body);
            font-size: 16px;
            line-height: 1.8;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color .2s ease, border-color .2s ease, background-color .2s ease, opacity .2s ease;
        }

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        button {
            cursor: pointer;
            background: none;
            border: none;
            color: inherit;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: 56px 0;
            position: relative;
        }

        .section-alt {
            background-color: rgba(17, 24, 39, 0.55);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .section-title {
            font-size: 26px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            margin-bottom: 10px;
            line-height: 1.35;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 720px;
            margin-bottom: 32px;
            line-height: 1.8;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .card {
            background: linear-gradient(145deg, #111827 0%, #1F2937 100%);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 22px;
            transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
        }

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

        .card-image {
            border-radius: var(--radius-sm);
            overflow: hidden;
            position: relative;
            background: #0A0E17;
            aspect-ratio: 16/9;
        }

        .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-sm);
            padding: 10px 20px;
            font-weight: 700;
            font-size: 14px;
            transition: all .25s ease;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .btn-primary {
            background-color: var(--accent);
            color: #0A0E17;
            border: 1px solid var(--accent);
        }

        .btn-primary:hover {
            background-color: #2DEA9B;
            border-color: #2DEA9B;
            box-shadow: 0 0 20px rgba(0, 240, 192, 0.25);
            transform: translateY(-2px);
        }

        .btn-secondary {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid rgba(255, 255, 255, 0.25);
        }

        .btn-secondary:hover {
            border-color: var(--accent);
            color: var(--accent);
            box-shadow: 0 0 16px rgba(0, 240, 192, 0.12);
            transform: translateY(-2px);
        }

        .btn-outline-accent {
            background: transparent;
            color: var(--accent);
            border: 1px solid var(--accent);
        }

        .btn-outline-accent:hover {
            background: rgba(0, 240, 192, 0.08);
            box-shadow: 0 0 16px rgba(0, 240, 192, 0.15);
        }

        .tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            letter-spacing: 0.04em;
        }

        .tag-accent {
            color: var(--accent);
            background: rgba(0, 240, 192, 0.08);
            border: 1px solid rgba(0, 240, 192, 0.2);
        }

        .tag-purple {
            color: var(--accent-purple);
            background: rgba(123, 97, 255, 0.08);
            border: 1px solid rgba(123, 97, 255, 0.2);
        }

        .tag-amber {
            color: var(--accent-amber);
            background: rgba(245, 184, 0, 0.08);
            border: 1px solid rgba(245, 184, 0, 0.2);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-mono);
            font-size: 22px;
            font-weight: 700;
            color: var(--accent);
        }

        .sidebar-logo {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.06em;
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 14px;
            border-bottom: 1px solid var(--border-color);
            margin-bottom: 14px;
        }

        .sidebar-logo i {
            color: var(--accent);
            font-size: 22px;
        }

        .sidebar-nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
            padding: 0 10px;
        }

        .sidebar-nav-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            position: relative;
            transition: all .2s ease;
        }

        .sidebar-nav-link i {
            width: 18px;
            text-align: center;
            font-size: 14px;
        }

        .sidebar-nav-link:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.04);
        }

        .sidebar-nav-link.active {
            color: var(--accent);
            background: rgba(0, 240, 192, 0.08);
        }

        .sidebar-nav-link.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 2px;
            height: 22px;
            background: var(--accent);
            border-radius: 2px;
        }

        .sidebar-footer {
            padding: 14px 20px;
            border-top: 1px solid var(--border-color);
            margin-top: auto;
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .sidebar-footer a {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-muted);
            transition: color .2s ease;
        }

        .sidebar-footer a:hover {
            color: var(--accent);
        }

        .sidebar-shell {
            position: fixed;
            left: 0;
            top: 0;
            width: 240px;
            height: 100vh;
            background: var(--bg-primary);
            border-right: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            z-index: 50;
            padding: 0;
        }

        .main-content {
            margin-left: 240px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .mobile-header {
            display: none;
            position: sticky;
            top: 0;
            z-index: 60;
            background: var(--bg-primary);
            border-bottom: 1px solid var(--border-color);
            padding: 10px 16px;
            align-items: center;
            justify-content: space-between;
            height: 56px;
        }

        .mobile-header .logo-text {
            font-size: 17px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.04em;
        }

        .hamburger {
            display: flex;
            flex-direction: column;
            gap: 4px;
            background: transparent;
            border: none;
            width: 36px;
            height: 36px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            transition: background .2s ease;
        }

        .hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all .3s ease;
        }

        .hamburger.open span:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }
        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.open span:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }

        .drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.55);
            z-index: 55;
            opacity: 0;
            transition: opacity .3s ease;
        }

        .drawer-overlay.show {
            opacity: 1;
        }

        .drawer {
            position: fixed;
            left: 0;
            top: 0;
            height: 100vh;
            width: 78vw;
            max-width: 300px;
            background: var(--bg-primary);
            border-right: 1px solid var(--border-color);
            z-index: 70;
            transform: translateX(-100%);
            transition: transform .3s ease;
            display: flex;
            flex-direction: column;
            padding: 16px;
        }

        .drawer.show {
            transform: translateX(0);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            padding: 16px 0;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-muted);
            transition: color .2s ease;
        }

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

        .breadcrumb .separator {
            color: var(--accent);
            font-family: var(--font-mono);
        }

        .breadcrumb .current {
            color: var(--accent);
        }

        .rating-bar {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .rating-bar .bar-track {
            flex: 1;
            height: 6px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 3px;
            overflow: hidden;
        }
        .rating-bar .bar-fill {
            height: 100%;
            background: var(--accent);
            border-radius: 3px;
            transition: width .4s ease;
        }
        .rating-bar .score {
            font-family: var(--font-mono);
            font-weight: 700;
            font-size: 15px;
            color: var(--accent);
            min-width: 36px;
            text-align: right;
        }

        .spec-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            color: var(--text-muted);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-color);
            border-radius: 6px;
            padding: 4px 10px;
            font-family: var(--font-mono);
        }

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

        .hot-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .editor-pick-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr;
            grid-auto-rows: minmax(180px, auto);
            gap: 16px;
        }

        .editor-pick-main {
            grid-row: span 2;
        }

        .cta-strip {
            background: linear-gradient(135deg, rgba(0, 240, 192, 0.07) 0%, rgba(123, 97, 255, 0.06) 100%);
            border: 1px solid rgba(0, 240, 192, 0.2);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }

        .faq-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            overflow: hidden;
            margin-bottom: 12px;
            transition: border-color .2s ease, background .2s ease;
        }
        .faq-item:hover {
            border-color: rgba(0, 240, 192, 0.3);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 16px 20px;
            font-weight: 700;
            color: var(--text-primary);
            background: transparent;
            width: 100%;
            text-align: left;
            font-size: 15px;
            cursor: pointer;
            transition: color .2s ease;
        }
        .faq-question:hover {
            color: var(--accent);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            font-size: 14px;
            color: var(--text-muted);
            transition: transform .3s ease, color .2s ease;
        }
        .faq-item.open .faq-icon {
            transform: rotate(180deg);
            color: var(--accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease, padding .35s ease;
            padding: 0 20px;
            color: var(--text-body);
            font-size: 14px;
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        .site-footer {
            background: var(--bg-primary);
            border-top: 1px solid var(--border-color);
            padding: 48px 0 24px;
            margin-top: 24px;
        }

        .site-footer h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }

        .site-footer p {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 8px;
            line-height: 1.7;
        }

        .site-footer a {
            color: var(--text-muted);
            font-size: 13px;
            transition: color .2s ease;
        }
        .site-footer a:hover {
            color: var(--accent);
        }

        .footer-bottom {
            margin-top: 32px;
            padding-top: 16px;
            border-top: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: var(--text-muted);
        }

        .footer-bottom a {
            font-size: 12px;
        }

        @media (max-width: 1024px) {
            .sidebar-shell {
                display: none;
            }
            .main-content {
                margin-left: 0;
            }
            .mobile-header {
                display: flex;
            }
            .review-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hot-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .editor-pick-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 22px;
            }
            .container {
                padding: 0 16px;
            }
            .review-grid {
                grid-template-columns: 1fr;
            }
            .hot-list {
                grid-template-columns: 1fr 1fr;
            }
            .editor-pick-grid {
                grid-template-columns: 1fr;
            }
            .cta-strip {
                flex-direction: column;
                align-items: flex-start;
                padding: 20px;
            }
        }

        @media (max-width: 520px) {
            .hot-list {
                grid-template-columns: 1fr;
            }
            .breadcrumb {
                font-size: 12px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0A0E17;
            --bg-surface: #111827;
            --bg-surface-light: #1F2937;
            --accent: #00F0C0;
            --accent-purple: #7B61FF;
            --accent-amber: #F5B800;
            --text-primary: #F9FAFB;
            --text-body: #D1D5DB;
            --text-muted: #9CA3AF;
            --border-color: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(0, 240, 192, 0.55);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-card: 0 6px 20px rgba(0, 0, 0, 0.25);
            --shadow-hover: 0 12px 28px rgba(0, 240, 192, 0.08);
            --font-title: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", sans-serif;
            --font-mono: "Space Grotesk", "Inter", "Roboto Mono", monospace;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-title);
            background-color: var(--bg-primary);
            color: var(--text-body);
            font-size: 16px;
            line-height: 1.8;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color .2s ease, border-color .2s ease, background-color .2s ease, opacity .2s ease, transform .2s ease;
        }

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        button {
            cursor: pointer;
            background: none;
            border: none;
            color: inherit;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: 52px 0;
            position: relative;
        }

        .section-alt {
            background-color: rgba(17, 24, 39, 0.55);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .section-title {
            font-size: 26px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            margin-bottom: 10px;
            line-height: 1.35;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 720px;
            margin-bottom: 32px;
            line-height: 1.8;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .card {
            background: linear-gradient(145deg, #111827 0%, #1F2937 100%);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 20px;
            transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
        }

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

        .card-image {
            border-radius: var(--radius-sm);
            overflow: hidden;
            position: relative;
            background: #0A0E17;
            aspect-ratio: 16/9;
        }

        .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-sm);
            padding: 10px 20px;
            font-weight: 700;
            font-size: 14px;
            transition: all .25s ease;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .btn-primary {
            background-color: var(--accent);
            color: #0A0E17;
            border: 1px solid var(--accent);
        }

        .btn-primary:hover {
            background-color: #2DEA9B;
            border-color: #2DEA9B;
            box-shadow: 0 0 20px rgba(0, 240, 192, 0.25);
            transform: translateY(-2px);
        }

        .btn-secondary {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid rgba(255, 255, 255, 0.25);
        }

        .btn-secondary:hover {
            border-color: var(--accent);
            color: var(--accent);
            box-shadow: 0 0 16px rgba(0, 240, 192, 0.12);
            transform: translateY(-2px);
        }

        .btn-outline-accent {
            background: transparent;
            color: var(--accent);
            border: 1px solid var(--accent);
        }

        .btn-outline-accent:hover {
            background: rgba(0, 240, 192, 0.08);
            box-shadow: 0 0 16px rgba(0, 240, 192, 0.15);
        }

        .tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            letter-spacing: 0.04em;
        }

        .tag-accent {
            color: var(--accent);
            background: rgba(0, 240, 192, 0.08);
            border: 1px solid rgba(0, 240, 192, 0.2);
        }

        .tag-purple {
            color: var(--accent-purple);
            background: rgba(123, 97, 255, 0.08);
            border: 1px solid rgba(123, 97, 255, 0.2);
        }

        .tag-amber {
            color: var(--accent-amber);
            background: rgba(245, 184, 0, 0.08);
            border: 1px solid rgba(245, 184, 0, 0.2);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-mono);
            font-size: 22px;
            font-weight: 700;
            color: var(--accent);
        }

        .sidebar-logo {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.04em;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .sidebar-logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--accent), var(--accent-purple));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            color: #0A0E17;
            font-size: 18px;
        }

        .sidebar-nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
            margin-top: 28px;
        }

        .sidebar-nav-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 11px 14px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            color: var(--text-muted);
            position: relative;
            transition: all .2s ease;
        }

        .sidebar-nav-link i {
            width: 18px;
            text-align: center;
            font-size: 15px;
        }

        .sidebar-nav-link:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.05);
        }

        .sidebar-nav-link.active {
            color: var(--accent);
            background: rgba(0, 240, 192, 0.08);
        }

        .sidebar-nav-link.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 24px;
            background: var(--accent);
            border-radius: 0 3px 3px 0;
        }

        .sidebar-bottom {
            margin-top: auto;
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            gap: 10px;
            font-size: 13px;
            color: var(--text-muted);
        }

        .sidebar-bottom a {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-muted);
        }

        .sidebar-bottom a:hover {
            color: var(--accent);
        }

        .sidebar-bottom-social {
            display: flex;
            gap: 12px;
            margin-top: 4px;
        }

        .sidebar-bottom-social a {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--text-muted);
            transition: all .2s ease;
        }

        .sidebar-bottom-social a:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(0, 240, 192, 0.08);
        }

        /* 侧边栏桌面 */
        .app-sidebar {
            position: fixed;
            left: 0;
            top: 0;
            bottom: 0;
            width: 230px;
            background: #0B0F1A;
            border-right: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            padding: 24px 18px;
            z-index: 50;
            transition: transform .3s ease;
        }

        .main-content {
            margin-left: 230px;
            flex: 1;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* 移动端顶部栏 */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 56px;
            background: #0B0F1A;
            border-bottom: 1px solid var(--border-color);
            z-index: 60;
            align-items: center;
            padding: 0 16px;
            justify-content: space-between;
        }

        .mobile-header-logo {
            font-size: 18px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.04em;
        }

        .burger-btn {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            color: var(--text-primary);
            font-size: 18px;
            transition: all .2s ease;
        }

        .burger-btn:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        /* 抽屉遮罩 */
        .drawer-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 55;
            opacity: 0;
            transition: opacity .3s ease;
        }

        .drawer-overlay.active {
            opacity: 1;
        }

        /* 响应式 */
        @media (max-width: 767px) {
            .app-sidebar {
                transform: translateX(-100%);
                width: 78vw;
                max-width: 300px;
                z-index: 70;
                padding-top: 20px;
                box-shadow: 4px 0 24px rgba(0, 0, 0, 0.5);
            }

            .app-sidebar.open {
                transform: translateX(0);
            }

            .mobile-header {
                display: flex;
            }

            .drawer-overlay {
                display: block;
                pointer-events: none;
            }

            .drawer-overlay.active {
                pointer-events: auto;
            }

            .main-content {
                margin-left: 0;
                padding-top: 56px;
            }

            .section {
                padding: 32px 0;
            }

            .container {
                padding: 0 16px;
            }

            .section-title {
                font-size: 22px;
            }

            .card {
                padding: 16px;
            }

            .btn {
                padding: 8px 14px;
                font-size: 13px;
            }
        }

        @media (min-width: 768px) and (max-width: 1023px) {
            .app-sidebar {
                width: 200px;
                padding: 20px 14px;
            }

            .main-content {
                margin-left: 200px;
            }

            .sidebar-nav-link {
                padding: 10px 12px;
                font-size: 13px;
            }
        }

        /* 面包屑 */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
            padding: 16px 0 0;
        }

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

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

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

        .breadcrumb .current {
            color: var(--text-primary);
            font-weight: 600;
        }

        /* 分类页H1区 */
        .category-header {
            padding: 32px 0 28px;
            position: relative;
            border-bottom: 1px solid var(--border-color);
            margin-bottom: 40px;
        }

        .category-header-bg {
            position: absolute;
            top: 0;
            right: 0;
            bottom: 0;
            left: 0;
            overflow: hidden;
            border-radius: var(--radius-lg);
            opacity: 0.12;
            pointer-events: none;
        }

        .category-header-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .category-header-content {
            position: relative;
            z-index: 1;
        }

        .category-header h1 {
            font-size: 30px;
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.3;
            margin: 6px 0 12px;
            letter-spacing: 0.02em;
        }

        .category-header-desc {
            font-size: 15px;
            color: var(--text-body);
            max-width: 680px;
            line-height: 1.8;
        }

        /* 攻略卡片 */
        .guide-card {
            display: flex;
            flex-direction: column;
            background: linear-gradient(145deg, #111827 0%, #1F2937 100%);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
            height: 100%;
        }

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

        .guide-card-image {
            aspect-ratio: 16/9;
            overflow: hidden;
            position: relative;
            background: #0A0E17;
        }

        .guide-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }

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

        .guide-card-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .guide-card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 10px;
        }

        .guide-card-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.5;
            margin-bottom: 8px;
        }

        .guide-card-excerpt {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .guide-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--text-muted);
            border-top: 1px solid var(--border-color);
            padding-top: 12px;
        }

        .guide-card-date {
            font-family: var(--font-mono);
            font-size: 12px;
            color: var(--text-muted);
        }

        .guide-card-link {
            font-size: 13px;
            font-weight: 700;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .guide-card-link:hover {
            color: #2DEA9B;
            gap: 10px;
        }

        /* 热门排行 */
        .rank-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .rank-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 14px 16px;
            background: rgba(17, 24, 39, 0.7);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            transition: all .25s ease;
        }

        .rank-item:hover {
            border-color: var(--border-hover);
            background: rgba(17, 24, 39, 0.95);
            transform: translateX(4px);
        }

        .rank-number {
            font-family: var(--font-mono);
            font-size: 24px;
            font-weight: 800;
            color: var(--accent);
            width: 40px;
            text-align: center;
            flex-shrink: 0;
        }

        .rank-info {
            flex: 1;
        }

        .rank-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 2px;
        }

        .rank-meta {
            font-size: 12px;
            color: var(--text-muted);
            font-family: var(--font-mono);
        }

        /* 标签chips */
        .chips-container {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-body);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-color);
            transition: all .2s ease;
        }

        .chip:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(0, 240, 192, 0.06);
        }

        /* 编辑推荐 */
        .editor-feature {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 16px;
        }

        .editor-feature-main {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            aspect-ratio: 16/9;
            border: 1px solid var(--border-color);
            cursor: pointer;
            transition: all .25s ease;
        }

        .editor-feature-main:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-hover);
        }

        .editor-feature-main img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .editor-feature-main-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 20px 24px;
            background: linear-gradient(to top, rgba(0, 0, 0, 0.85), transparent);
            color: var(--text-primary);
        }

        .editor-feature-main-overlay h5 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .editor-feature-main-overlay p {
            font-size: 13px;
            color: var(--text-body);
        }

        .editor-feature-side {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .editor-feature-small {
            display: flex;
            gap: 12px;
            align-items: center;
            background: rgba(17, 24, 39, 0.7);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 10px;
            transition: all .25s ease;
            flex: 1;
        }

        .editor-feature-small:hover {
            border-color: var(--border-hover);
            background: rgba(17, 24, 39, 0.95);
        }

        .editor-feature-small img {
            width: 80px;
            height: 56px;
            object-fit: cover;
            border-radius: 4px;
            flex-shrink: 0;
        }

        .editor-feature-small-info {
            flex: 1;
        }

        .editor-feature-small-info h6 {
            font-size: 13px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 2px;
            line-height: 1.4;
        }

        .editor-feature-small-info span {
            font-size: 11px;
            color: var(--text-muted);
            font-family: var(--font-mono);
        }

        /* CTA小条 */
        .cta-strip {
            background: linear-gradient(135deg, rgba(0, 240, 192, 0.06), rgba(123, 97, 255, 0.06));
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 28px 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }

        .cta-strip-text h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .cta-strip-text p {
            font-size: 14px;
            color: var(--text-muted);
            margin: 0;
        }

        .cta-strip-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .cta-strip-form input {
            background: #0A0E17;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 10px 16px;
            color: var(--text-primary);
            font-size: 14px;
            min-width: 220px;
            outline: none;
            transition: border-color .2s ease;
        }

        .cta-strip-form input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 12px rgba(0, 240, 192, 0.15);
        }

        .cta-strip-form input::placeholder {
            color: var(--text-muted);
            font-size: 13px;
        }

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

        .faq-item {
            background: rgba(17, 24, 39, 0.7);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: all .25s ease;
        }

        .faq-item:hover {
            border-color: rgba(0, 240, 192, 0.3);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            text-align: left;
            transition: color .2s ease;
        }

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

        .faq-arrow {
            font-size: 14px;
            color: var(--text-muted);
            transition: transform .3s ease;
            flex-shrink: 0;
        }

        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--accent);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease, padding .35s ease;
            padding: 0 20px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 16px;
        }

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

        /* 页脚 */
        .site-footer {
            background: #0B0F1A;
            border-top: 1px solid var(--border-color);
            padding: 40px 0 24px;
            margin-top: auto;
        }

        .site-footer h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .site-footer p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 8px;
        }

        .site-footer a {
            font-size: 13px;
            color: var(--text-muted);
            transition: color .2s ease;
        }

        .site-footer a:hover {
            color: var(--accent);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            margin-top: 28px;
            border-top: 1px solid var(--border-color);
            font-size: 12px;
            color: var(--text-muted);
        }

        .footer-bottom a {
            font-size: 12px;
            color: var(--text-muted);
        }

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

        @media (max-width: 767px) {
            .editor-feature {
                grid-template-columns: 1fr;
            }

            .cta-strip {
                flex-direction: column;
                align-items: flex-start;
                padding: 20px;
            }

            .cta-strip-form input {
                min-width: 100%;
            }

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

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (min-width: 768px) and (max-width: 1023px) {
            .editor-feature {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: category3 */
:root {
 --bg-primary: #0A0E17;
 --bg-surface: #111827;
 --bg-surface-light: #1F2937;
 --accent: #00F0C0;
 --accent-purple: #7B61FF;
 --accent-amber: #F5B800;
 --text-primary: #F9FAFB;
 --text-body: #D1D5DB;
 --text-muted: #9CA3AF;
 --border-color: rgba(255,255,255,0.08);
 --border-hover: rgba(0,240,192,0.55);
 --radius-sm: 8px;
 --radius-md: 12px;
 --radius-lg: 16px;
 --radius-xl: 20px;
 --shadow-card: 0 6px 20px rgba(0,0,0,0.25);
 --shadow-hover: 0 12px 28px rgba(0,240,192,0.08);
 --font-title: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", sans-serif;
 --font-mono: "Space Grotesk", "Inter", "Roboto Mono", monospace;
}
html {
 scroll-behavior: smooth;
 -webkit-text-size-adjust: 100%;
}
body {
 font-family: var(--font-title);
 background-color: var(--bg-primary);
 color: var(--text-body);
 font-size: 16px;
 line-height: 1.8;
 min-height: 100vh;
 overflow-x: hidden;
 margin: 0;
}
a {
 text-decoration: none;
 color: inherit;
 transition: color .2s ease, border-color .2s ease, background-color .2s ease, opacity .2s ease;
}
img {
 display: block;
 max-width: 100%;
 height: auto;
}
button, input, select, textarea {
 font-family: inherit;
 font-size: inherit;
}
button {
 cursor: pointer;
 background: none;
 border: none;
 color: inherit;
}
.container {
 width: 100%;
 max-width: 1200px;
 margin: 0 auto;
 padding: 0 24px;
}
.section {
 padding: 60px 0;
 position: relative;
}
.section-alt {
 background-color: rgba(17,24,39,0.55);
 border-top: 1px solid var(--border-color);
 border-bottom: 1px solid var(--border-color);
}
.section-title {
 font-size: 28px;
 font-weight: 800;
 color: var(--text-primary);
 letter-spacing: 0.02em;
 margin-bottom: 12px;
 line-height: 1.35;
}
.section-subtitle {
 font-size: 15px;
 color: var(--text-muted);
 max-width: 720px;
 margin-bottom: 36px;
 line-height: 1.8;
}
.section-label {
 display: inline-block;
 font-size: 13px;
 font-weight: 700;
 color: var(--accent);
 letter-spacing: 0.08em;
 text-transform: uppercase;
 margin-bottom: 10px;
}
.card {
 background: linear-gradient(145deg, #111827 0%, #1F2937 100%);
 border: 1px solid var(--border-color);
 border-radius: var(--radius-md);
 padding: 24px;
 transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.card:hover {
 transform: translateY(-4px);
 border-color: var(--border-hover);
 box-shadow: var(--shadow-hover);
}
.card-image {
 border-radius: var(--radius-sm);
 overflow: hidden;
 position: relative;
 background: #0A0E17;
 aspect-ratio: 16/9;
}
.card-image img {
 width: 100%;
 height: 100%;
 object-fit: cover;
 transition: transform .4s ease;
}
.card:hover .card-image img {
 transform: scale(1.04);
}
.btn {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 gap: 8px;
 border-radius: var(--radius-sm);
 padding: 10px 20px;
 font-weight: 700;
 font-size: 14px;
 transition: all .25s ease;
 letter-spacing: 0.02em;
 white-space: nowrap;
}
.btn-primary {
 background-color: var(--accent);
 color: #0A0E17;
 border: 1px solid var(--accent);
}
.btn-primary:hover {
 background-color: #2DEA9B;
 border-color: #2DEA9B;
 box-shadow: 0 0 20px rgba(0,240,192,0.25);
 transform: translateY(-2px);
}
.btn-secondary {
 background: transparent;
 color: var(--text-primary);
 border: 1px solid rgba(255,255,255,0.25);
}
.btn-secondary:hover {
 border-color: var(--accent);
 color: var(--accent);
 box-shadow: 0 0 16px rgba(0,240,192,0.12);
 transform: translateY(-2px);
}
.btn-outline-accent {
 background: transparent;
 color: var(--accent);
 border: 1px solid var(--accent);
}
.btn-outline-accent:hover {
 background: rgba(0,240,192,0.08);
 box-shadow: 0 0 16px rgba(0,240,192,0.15);
}
.tag {
 display: inline-block;
 font-size: 12px;
 font-weight: 600;
 padding: 4px 12px;
 border-radius: 999px;
 letter-spacing: 0.04em;
}
.tag-accent {
 color: var(--accent);
 background: rgba(0,240,192,0.08);
 border: 1px solid rgba(0,240,192,0.2);
}
.tag-purple {
 color: var(--accent-purple);
 background: rgba(123,97,255,0.08);
 border: 1px solid rgba(123,97,255,0.2);
}
.tag-amber {
 color: var(--accent-amber);
 background: rgba(245,184,0,0.08);
 border: 1px solid rgba(245,184,0,0.2);
}
.badge {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 font-family: var(--font-mono);
 font-size: 22px;
 font-weight: 700;
 color: var(--accent);
}
.sidebar {
 position: fixed;
 top: 0;
 left: 0;
 width: 232px;
 height: 100vh;
 background: rgba(10,14,23,0.98);
 border-right: 1px solid var(--border-color);
 z-index: 50;
 display: flex;
 flex-direction: column;
 padding: 22px 16px;
}
.sidebar-header {
 padding: 8px 8px 24px;
 border-bottom: 1px solid var(--border-color);
 margin-bottom: 24px;
}
.sidebar-logo {
 font-size: 24px;
 font-weight: 800;
 color: var(--text-primary);
 letter-spacing: 0.04em;
 display: flex;
 align-items: center;
 gap: 10px;
}
.sidebar-logo i {
 color: var(--accent);
 font-size: 26px;
}
.sidebar-nav {
 display: flex;
 flex-direction: column;
 gap: 6px;
 flex: 1;
}
.sidebar-nav-link {
 display: flex;
 align-items: center;
 gap: 12px;
 padding: 11px 14px;
 border-radius: var(--radius-sm);
 font-size: 15px;
 font-weight: 600;
 color: var(--text-body);
 border-left: 2px solid transparent;
 transition: all .2s ease;
}
.sidebar-nav-link i {
 width: 18px;
 font-size: 14px;
 color: var(--text-muted);
 transition: color .2s ease;
}
.sidebar-nav-link:hover {
 color: var(--text-primary);
 background: rgba(255,255,255,0.04);
}
.sidebar-nav-link:hover i {
 color: var(--accent);
}
.sidebar-nav-link.active {
 color: var(--accent);
 background: rgba(0,240,192,0.06);
 border-left-color: var(--accent);
}
.sidebar-nav-link.active i {
 color: var(--accent);
}
.sidebar-footer {
 padding-top: 18px;
 border-top: 1px solid var(--border-color);
 display: flex;
 flex-direction: column;
 gap: 6px;
 font-size: 13px;
 color: var(--text-muted);
}
.sidebar-footer a {
 display: flex;
 align-items: center;
 gap: 8px;
 color: var(--text-muted);
 transition: color .2s ease;
}
.sidebar-footer a:hover {
 color: var(--accent);
}
.mobile-header {
 display: none;
 position: fixed;
 top: 0;
 left: 0;
 right: 0;
 height: 56px;
 background: rgba(10,14,23,0.96);
 border-bottom: 1px solid var(--border-color);
 z-index: 40;
 align-items: center;
 justify-content: space-between;
 padding: 0 16px;
}
.mobile-logo {
 font-size: 18px;
 font-weight: 800;
 color: var(--text-primary);
 letter-spacing: 0.03em;
}
.hamburger {
 display: flex;
 flex-direction: column;
 justify-content: center;
 gap: 5px;
 width: 40px;
 height: 40px;
 padding: 8px;
 border-radius: var(--radius-sm);
}
.hamburger span {
 display: block;
 width: 22px;
 height: 2px;
 background: var(--text-primary);
 border-radius: 2px;
 transition: all .25s ease;
}
.sidebar-overlay {
 display: none;
 position: fixed;
 inset: 0;
 background: rgba(0,0,0,0.6);
 z-index: 45;
 opacity: 0;
 pointer-events: none;
 transition: opacity .3s ease;
}
.sidebar-overlay.is-visible {
 opacity: 1;
 pointer-events: auto;
}
.content-wrapper {
 margin-left: 232px;
 min-height: 100vh;
 display: flex;
 flex-direction: column;
}
.main-content {
 flex: 1;
}
.breadcrumb {
 padding: 18px 0 0;
 font-size: 14px;
 color: var(--text-muted);
 display: flex;
 align-items: center;
 gap: 8px;
 flex-wrap: wrap;
}
.breadcrumb a {
 color: var(--text-muted);
}
.breadcrumb a:hover {
 color: var(--accent);
}
.breadcrumb span {
 color: var(--text-muted);
}
.category-header {
 padding: 32px 0 40px;
 display: flex;
 flex-wrap: wrap;
 gap: 32px;
 align-items: flex-end;
 justify-content: space-between;
}
.category-header h1 {
 font-size: 36px;
 font-weight: 800;
 color: var(--text-primary);
 letter-spacing: 0.02em;
 line-height: 1.25;
 margin-bottom: 14px;
}
.category-header p {
 font-size: 16px;
 color: var(--text-muted);
 max-width: 680px;
 line-height: 1.8;
}
.category-stats {
 display: flex;
 gap: 24px;
 flex-wrap: wrap;
}
.category-stats div {
 text-align: center;
 min-width: 82px;
}
.category-stats strong {
 display: block;
 font-family: var(--font-mono);
 font-size: 26px;
 font-weight: 700;
 color: var(--accent);
 line-height: 1.2;
}
.category-stats span {
 font-size: 12px;
 color: var(--text-muted);
}
.news-card {
 background: var(--bg-surface);
 border: 1px solid var(--border-color);
 border-radius: var(--radius-md);
 overflow: hidden;
 transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.news-card:hover {
 transform: translateY(-4px);
 border-color: var(--border-hover);
 box-shadow: var(--shadow-hover);
}
.news-card .card-image {
 border-radius: 0;
 aspect-ratio: 16/9;
}
.news-card-body {
 padding: 18px 20px 20px;
}
.news-card-title {
 font-size: 18px;
 font-weight: 700;
 color: var(--text-primary);
 line-height: 1.45;
 margin: 10px 0 6px;
}
.news-card-summary {
 font-size: 14px;
 color: var(--text-muted);
 line-height: 1.7;
 margin-bottom: 14px;
}
.news-card-meta {
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 12px;
 flex-wrap: wrap;
}
.news-card-date {
 font-family: var(--font-mono);
 font-size: 13px;
 color: var(--accent-amber);
}
.topic-chip {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 padding: 6px 16px;
 border-radius: 999px;
 font-size: 13px;
 font-weight: 600;
 color: var(--text-body);
 background: rgba(255,255,255,0.04);
 border: 1px solid var(--border-color);
 transition: all .2s ease;
 cursor: default;
}
.topic-chip:hover {
 color: var(--accent);
 border-color: var(--accent);
 background: rgba(0,240,192,0.06);
}
.ranking-item {
 display: flex;
 align-items: center;
 gap: 16px;
 padding: 14px 16px;
 background: var(--bg-surface);
 border: 1px solid var(--border-color);
 border-radius: var(--radius-md);
 transition: border-color .2s ease, transform .2s ease;
}
.ranking-item:hover {
 border-color: var(--border-hover);
 transform: translateX(4px);
}
.ranking-number {
 font-family: var(--font-mono);
 font-size: 24px;
 font-weight: 700;
 color: var(--accent);
 min-width: 44px;
}
.ranking-content {
 flex: 1;
 min-width: 0;
}
.ranking-title {
 font-size: 14px;
 font-weight: 600;
 color: var(--text-primary);
 white-space: nowrap;
 overflow: hidden;
 text-overflow: ellipsis;
}
.ranking-meta {
 font-size: 12px;
 color: var(--text-muted);
 font-family: var(--font-mono);
}
.editor-feature {
 position: relative;
 border-radius: var(--radius-md);
 overflow: hidden;
 aspect-ratio: 16/9;
 border: 1px solid var(--border-color);
}
.editor-feature img {
 width: 100%;
 height: 100%;
 object-fit: cover;
}
.editor-feature-overlay {
 position: absolute;
 left: 0;
 right: 0;
 bottom: 0;
 padding: 24px;
 background: linear-gradient(180deg, transparent 0%, rgba(10,14,23,0.9) 100%);
}
.editor-feature-overlay h3 {
 font-size: 20px;
 font-weight: 700;
 color: var(--text-primary);
 margin-bottom: 6px;
}
.editor-feature-overlay p {
 font-size: 13px;
 color: var(--text-body);
}
.editor-small {
 border-radius: var(--radius-md);
 overflow: hidden;
 border: 1px solid var(--border-color);
 background: var(--bg-surface);
 transition: border-color .2s ease, transform .2s ease;
}
.editor-small:hover {
 border-color: var(--border-hover);
 transform: translateY(-3px);
}
.editor-small .card-image {
 aspect-ratio: 16/9;
}
.editor-small-body {
 padding: 12px 14px;
}
.editor-small-body h4 {
 font-size: 14px;
 font-weight: 600;
 color: var(--text-primary);
 line-height: 1.4;
}
.schedule-row {
 display: flex;
 align-items: center;
 gap: 16px;
 padding: 14px 16px;
 background: var(--bg-surface);
 border: 1px solid var(--border-color);
 border-radius: var(--radius-md);
 transition: border-color .2s ease, transform .2s ease;
}
.schedule-row:hover {
 border-color: var(--border-hover);
 transform: translateX(4px);
}
.schedule-date {
 font-family: var(--font-mono);
 font-size: 13px;
 font-weight: 700;
 color: var(--accent-amber);
 min-width: 94px;
}
.schedule-name {
 flex: 1;
 font-weight: 600;
 color: var(--text-primary);
 font-size: 14px;
}
.schedule-tag {
 font-size: 12px;
 color: var(--accent-purple);
}
.faq-item {
 border: 1px solid var(--border-color);
 border-radius: var(--radius-md);
 background: var(--bg-surface);
 margin-bottom: 12px;
 overflow: hidden;
}
.faq-question {
 width: 100%;
 padding: 16px 20px;
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 16px;
 font-size: 15px;
 font-weight: 700;
 color: var(--text-primary);
 text-align: left;
 transition: background .2s ease;
}
.faq-question:hover {
 background: rgba(255,255,255,0.03);
}
.faq-arrow {
 color: var(--accent);
 font-size: 14px;
 transition: transform .25s ease;
}
.faq-item[open] .faq-arrow {
 transform: rotate(180deg);
}
.faq-answer {
 padding: 0 20px 18px;
 font-size: 14px;
 color: var(--text-muted);
 line-height: 1.8;
}
.subscribe-bar {
 background: linear-gradient(135deg, rgba(0,240,192,0.08) 0%, rgba(11,15,26,0.6) 50%, rgba(123,97,255,0.08) 100%);
 border: 1px solid var(--border-color);
 border-radius: var(--radius-lg);
 padding: 28px 24px;
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 24px;
 flex-wrap: wrap;
}
.subscribe-bar h3 {
 font-size: 22px;
 font-weight: 800;
 color: var(--text-primary);
 margin-bottom: 6px;
}
.subscribe-bar p {
 font-size: 14px;
 color: var(--text-muted);
}
.subscribe-form {
 display: flex;
 gap: 10px;
 flex-wrap: wrap;
}
.subscribe-form input {
 background: var(--bg-primary);
 border: 1px solid var(--border-color);
 border-radius: var(--radius-sm);
 padding: 10px 14px;
 color: var(--text-primary);
 outline: none;
 min-width: 220px;
 transition: border-color .2s ease, box-shadow .2s ease;
}
.subscribe-form input::placeholder {
 color: var(--text-muted);
}
.subscribe-form input:focus {
 border-color: var(--accent);
 box-shadow: 0 0 0 3px rgba(0,240,192,0.1);
}
.site-footer {
 background: #080B12;
 border-top: 1px solid var(--border-color);
 padding: 56px 0 24px;
 margin-top: auto;
}
.site-footer h4 {
 font-size: 16px;
 font-weight: 700;
 color: var(--text-primary);
 margin-bottom: 16px;
}
.site-footer p {
 font-size: 14px;
 color: var(--text-muted);
 margin-bottom: 8px;
 line-height: 1.7;
}
.site-footer a {
 color: var(--text-muted);
}
.site-footer a:hover {
 color: var(--accent);
}
.footer-bottom {
 margin-top: 32px;
 padding-top: 20px;
 border-top: 1px solid var(--border-color);
 display: flex;
 justify-content: space-between;
 align-items: center;
 gap: 16px;
 flex-wrap: wrap;
 font-size: 13px;
 color: var(--text-muted);
}
.footer-bottom a {
 color: var(--text-muted);
}
.footer-bottom a:hover {
 color: var(--accent);
}
@media (max-width: 1023px) {
 .sidebar {
  transform: translateX(-100%);
  transition: transform .3s ease;
 }
 .sidebar.is-open {
  transform: translateX(0);
 }
 .content-wrapper {
  margin-left: 0;
 }
 .mobile-header {
  display: flex;
 }
 .sidebar-overlay {
  display: block;
 }
 .category-header h1 {
  font-size: 28px;
 }
 .section {
  padding: 40px 0;
 }
 .container {
  padding: 0 18px;
 }
 .section-title {
  font-size: 24px;
 }
}
@media (min-width: 1024px) {
 .mobile-header,
 .sidebar-overlay {
  display: none !important;
 }
}

/* roulang page: category4 */
:root {
            --bg-primary: #0A0E17;
            --bg-surface: #111827;
            --bg-surface-light: #1F2937;
            --accent: #00F0C0;
            --accent-purple: #7B61FF;
            --accent-amber: #F5B800;
            --text-primary: #F9FAFB;
            --text-body: #D1D5DB;
            --text-muted: #9CA3AF;
            --border-color: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(0, 240, 192, 0.55);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-card: 0 6px 20px rgba(0, 0, 0, 0.25);
            --shadow-hover: 0 12px 28px rgba(0, 240, 192, 0.08);
            --font-title: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", sans-serif;
            --font-mono: "Space Grotesk", "Inter", "Roboto Mono", monospace;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-title);
            background-color: var(--bg-primary);
            color: var(--text-body);
            font-size: 16px;
            line-height: 1.8;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color .2s ease, border-color .2s ease, background-color .2s ease, opacity .2s ease, box-shadow .2s ease;
        }

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        button {
            cursor: pointer;
            background: none;
            border: none;
            color: inherit;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: 56px 0;
            position: relative;
        }

        .section-alt {
            background-color: rgba(17, 24, 39, 0.55);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .section-title {
            font-size: 26px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            margin-bottom: 12px;
            line-height: 1.35;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 720px;
            margin-bottom: 36px;
            line-height: 1.8;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .card {
            background: linear-gradient(145deg, #111827 0%, #1F2937 100%);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
        }

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

        .card-image {
            border-radius: var(--radius-sm);
            overflow: hidden;
            position: relative;
            background: #0A0E17;
            aspect-ratio: 16/9;
        }

        .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-sm);
            padding: 10px 20px;
            font-weight: 700;
            font-size: 14px;
            transition: all .25s ease;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .btn-primary {
            background-color: var(--accent);
            color: #0A0E17;
            border: 1px solid var(--accent);
        }

        .btn-primary:hover {
            background-color: #2DEA9B;
            border-color: #2DEA9B;
            box-shadow: 0 0 20px rgba(0, 240, 192, 0.25);
            transform: translateY(-2px);
        }

        .btn-secondary {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid rgba(255, 255, 255, 0.25);
        }

        .btn-secondary:hover {
            border-color: var(--accent);
            color: var(--accent);
            box-shadow: 0 0 16px rgba(0, 240, 192, 0.12);
            transform: translateY(-2px);
        }

        .btn-outline-accent {
            background: transparent;
            color: var(--accent);
            border: 1px solid var(--accent);
        }

        .btn-outline-accent:hover {
            background: rgba(0, 240, 192, 0.08);
            box-shadow: 0 0 16px rgba(0, 240, 192, 0.15);
        }

        .tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            letter-spacing: 0.04em;
        }

        .tag-accent {
            color: var(--accent);
            background: rgba(0, 240, 192, 0.08);
            border: 1px solid rgba(0, 240, 192, 0.2);
        }

        .tag-purple {
            color: var(--accent-purple);
            background: rgba(123, 97, 255, 0.08);
            border: 1px solid rgba(123, 97, 255, 0.2);
        }

        .tag-amber {
            color: var(--accent-amber);
            background: rgba(245, 184, 0, 0.08);
            border: 1px solid rgba(245, 184, 0, 0.2);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-mono);
            font-size: 22px;
            font-weight: 700;
            color: var(--accent);
        }

        /* Sidebar App Shell */
        .sidebar-shell {
            display: flex;
            min-height: 100vh;
        }

        .sidebar-nav {
            position: fixed;
            left: 0;
            top: 0;
            bottom: 0;
            width: 240px;
            background-color: #0B0F1A;
            border-right: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            z-index: 50;
            padding: 24px 16px 16px;
            overflow-y: auto;
        }

        .sidebar-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.04em;
            padding: 0 8px 24px;
            border-bottom: 1px solid var(--border-color);
            margin-bottom: 20px;
        }

        .sidebar-logo i {
            color: var(--accent);
            font-size: 22px;
        }

        .sidebar-nav-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 11px 12px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            border-left: 2px solid transparent;
            transition: all .2s ease;
            margin-bottom: 4px;
        }

        .sidebar-nav-link i {
            width: 18px;
            text-align: center;
            font-size: 15px;
        }

        .sidebar-nav-link:hover {
            background-color: rgba(255, 255, 255, 0.04);
            color: var(--text-primary);
            border-left-color: var(--accent);
        }

        .sidebar-nav-link.active {
            background-color: rgba(0, 240, 192, 0.08);
            color: var(--accent);
            border-left-color: var(--accent);
            font-weight: 600;
        }

        .sidebar-footer {
            margin-top: auto;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .sidebar-footer a {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            color: var(--text-muted);
            padding: 6px 8px;
            border-radius: 6px;
            transition: all .2s ease;
        }

        .sidebar-footer a:hover {
            color: var(--accent);
            background: rgba(0, 240, 192, 0.05);
        }

        .main-content {
            flex: 1;
            margin-left: 240px;
            min-width: 0;
        }

        /* Mobile Top Bar */
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 56px;
            background-color: #0B0F1A;
            border-bottom: 1px solid var(--border-color);
            z-index: 60;
            align-items: center;
            padding: 0 16px;
            gap: 12px;
        }

        .hamburger-btn {
            display: flex;
            flex-direction: column;
            gap: 5px;
            width: 28px;
            height: 24px;
            justify-content: center;
            align-items: center;
            flex-shrink: 0;
        }

        .hamburger-btn span {
            display: block;
            width: 22px;
            height: 2px;
            background-color: var(--text-primary);
            border-radius: 2px;
            transition: all .25s ease;
        }

        .hamburger-btn.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .hamburger-btn.open span:nth-child(2) {
            opacity: 0;
        }

        .hamburger-btn.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-logo {
            font-size: 17px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.03em;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .mobile-logo i {
            color: var(--accent);
            font-size: 18px;
        }

        .drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 55;
            opacity: 0;
            transition: opacity .3s ease;
        }

        .drawer-overlay.show {
            display: block;
            opacity: 1;
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            padding: 16px 0;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-muted);
            transition: color .2s ease;
        }

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

        .breadcrumb .separator {
            color: #4B5563;
        }

        .breadcrumb .current {
            color: var(--text-body);
        }

        /* Category Hero Compact */
        .category-hero {
            padding: 32px 0 40px;
            border-bottom: 1px solid var(--border-color);
            position: relative;
            background: linear-gradient(180deg, rgba(0, 240, 192, 0.03) 0%, transparent 100%);
        }

        .category-hero h1 {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .category-hero p {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 780px;
            line-height: 1.8;
        }

        /* News Card */
        .news-card {
            background: linear-gradient(145deg, #111827 0%, #1F2937 100%);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
            display: flex;
            flex-direction: column;
            height: 100%;
        }

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

        .news-card .card-image {
            border-radius: 0;
            aspect-ratio: 16/9;
            flex-shrink: 0;
        }

        .news-card-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .news-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 8px;
            flex-wrap: wrap;
        }

        .news-card-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.5;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card-text {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 16px;
            flex: 1;
        }

        .news-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding-top: 12px;
            border-top: 1px solid var(--border-color);
        }

        .news-card-footer .date {
            font-family: var(--font-mono);
            font-size: 12px;
            color: var(--text-muted);
        }

        .read-more-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap .2s ease;
        }

        .read-more-link:hover {
            gap: 8px;
        }

        /* Ranking List */
        .ranking-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid var(--border-color);
            transition: background-color .2s ease;
        }

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

        .ranking-item:hover {
            background-color: rgba(255, 255, 255, 0.02);
        }

        .ranking-number {
            font-family: var(--font-mono);
            font-size: 18px;
            font-weight: 700;
            color: var(--accent);
            min-width: 40px;
            text-align: center;
            flex-shrink: 0;
        }

        .ranking-number.purple {
            color: var(--accent-purple);
        }

        .ranking-number.amber {
            color: var(--accent-amber);
        }

        .ranking-content {
            flex: 1;
            min-width: 0;
        }

        .ranking-content .title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 2px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .ranking-content .meta {
            font-size: 12px;
            color: var(--text-muted);
            font-family: var(--font-mono);
        }

        /* Tag Chips */
        .tag-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            border: 1px solid var(--border-color);
            background: rgba(255, 255, 255, 0.03);
            color: var(--text-body);
            transition: all .2s ease;
            cursor: default;
        }

        .tag-chip:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(0, 240, 192, 0.05);
        }

        /* Editor Choice */
        .editor-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 16px;
        }

        .editor-main {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            aspect-ratio: 16/9;
            background: #0A0E17;
            border: 1px solid var(--border-color);
            transition: border-color .25s ease;
        }

        .editor-main:hover {
            border-color: var(--border-hover);
        }

        .editor-main img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .editor-main-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 24px;
            background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.85) 100%);
        }

        .editor-main-overlay .title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .editor-main-overlay .meta {
            font-size: 12px;
            color: var(--text-muted);
            font-family: var(--font-mono);
        }

        .editor-side {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .editor-side-item {
            display: flex;
            gap: 12px;
            padding: 12px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            background: rgba(17, 24, 39, 0.7);
            transition: border-color .25s ease, background-color .25s ease;
        }

        .editor-side-item:hover {
            border-color: var(--border-hover);
            background: rgba(17, 24, 39, 0.95);
        }

        .editor-side-item img {
            width: 96px;
            height: 64px;
            object-fit: cover;
            border-radius: 6px;
            flex-shrink: 0;
        }

        .editor-side-item .info {
            flex: 1;
            min-width: 0;
        }

        .editor-side-item .info .title {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 2px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .editor-side-item .info .meta {
            font-size: 11px;
            color: var(--text-muted);
            font-family: var(--font-mono);
        }

        /* CTA Bar */
        .cta-bar {
            background: linear-gradient(135deg, rgba(0, 240, 192, 0.08) 0%, rgba(123, 97, 255, 0.06) 100%);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .cta-bar .text-group {
            flex: 1;
            min-width: 200px;
        }

        .cta-bar .text-group .title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .cta-bar .text-group .desc {
            font-size: 13px;
            color: var(--text-muted);
        }

        .subscribe-form {
            display: flex;
            gap: 8px;
            flex-shrink: 0;
        }

        .subscribe-form input {
            background: #0A0E17;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            color: var(--text-primary);
            font-size: 14px;
            width: 220px;
            outline: none;
            transition: border-color .2s ease, box-shadow .2s ease;
        }

        .subscribe-form input::placeholder {
            color: #6B7280;
        }

        .subscribe-form input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 12px rgba(0, 240, 192, 0.12);
        }

        .subscribe-form .btn {
            flex-shrink: 0;
        }

        /* FAQ */
        .faq-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            background: rgba(17, 24, 39, 0.6);
            margin-bottom: 8px;
            overflow: hidden;
            transition: border-color .2s ease;
        }

        .faq-item:hover {
            border-color: rgba(0, 240, 192, 0.3);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 16px 20px;
            cursor: pointer;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            transition: color .2s ease;
            width: 100%;
            text-align: left;
        }

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

        .faq-question .faq-icon {
            font-size: 14px;
            color: var(--text-muted);
            transition: transform .3s ease, color .2s ease;
            flex-shrink: 0;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            color: var(--accent);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease, padding .3s ease;
            padding: 0 20px;
        }

        .faq-item.open .faq-answer {
            max-height: 200px;
            padding: 0 20px 16px;
        }

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

        /* Footer */
        .site-footer {
            background-color: #0B0F1A;
            border-top: 1px solid var(--border-color);
            padding: 48px 0 24px;
            margin-top: auto;
        }

        .site-footer h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .site-footer p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 8px;
        }

        .site-footer p a {
            font-size: 13px;
            color: var(--text-muted);
            transition: color .2s ease;
        }

        .site-footer p a:hover {
            color: var(--accent);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            padding-top: 24px;
            margin-top: 32px;
            border-top: 1px solid var(--border-color);
            font-size: 12px;
            color: #6B7280;
        }

        .footer-bottom a {
            color: #6B7280;
            transition: color .2s ease;
        }

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

        /* Focus Visible */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        /* Section Divider */
        .section-divider {
            height: 1px;
            background: var(--border-color);
            margin: 0;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .sidebar-nav {
                width: 200px;
            }
            .main-content {
                margin-left: 200px;
            }
            .editor-grid {
                grid-template-columns: 1fr;
            }
            .editor-side {
                flex-direction: row;
                flex-wrap: wrap;
            }
            .editor-side-item {
                flex: 1;
                min-width: 200px;
            }
        }

        @media (max-width: 768px) {
            .sidebar-nav {
                display: none;
            }
            .main-content {
                margin-left: 0;
                padding-top: 56px;
            }
            .mobile-topbar {
                display: flex;
            }

            .sidebar-nav.drawer-open {
                display: flex;
                position: fixed;
                left: 0;
                top: 0;
                bottom: 0;
                width: 78vw;
                max-width: 320px;
                z-index: 58;
                padding: 20px 16px;
                animation: slideInLeft .25s ease;
            }

            @keyframes slideInLeft {
                from {
                    transform: translateX(-100%);
                }
                to {
                    transform: translateX(0);
                }
            }

            .section {
                padding: 40px 0;
            }

            .section-title {
                font-size: 22px;
            }

            .category-hero h1 {
                font-size: 26px;
            }

            .container {
                padding: 0 16px;
            }

            .editor-side {
                flex-direction: column;
            }

            .editor-side-item {
                flex: none;
            }

            .cta-bar {
                flex-direction: column;
                align-items: stretch;
                text-align: left;
                padding: 20px;
            }

            .subscribe-form {
                flex-direction: column;
                width: 100%;
            }

            .subscribe-form input {
                width: 100%;
            }

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

        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 22px;
            }
            .container {
                padding: 0 12px;
            }
            .news-card-body {
                padding: 16px;
            }
            .news-card-footer {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .ranking-number {
                font-size: 16px;
                min-width: 30px;
            }
            .editor-side-item img {
                width: 72px;
                height: 48px;
            }
        }

/* roulang page: category5 */
:root {
            --bg-primary: #0A0E17;
            --bg-surface: #111827;
            --bg-surface-light: #1F2937;
            --accent: #00F0C0;
            --accent-purple: #7B61FF;
            --accent-amber: #F5B800;
            --text-primary: #F9FAFB;
            --text-body: #D1D5DB;
            --text-muted: #9CA3AF;
            --border-color: rgba(255,255,255,0.08);
            --border-hover: rgba(0,240,192,0.55);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-card: 0 6px 20px rgba(0,0,0,0.25);
            --shadow-hover: 0 12px 28px rgba(0,240,192,0.08);
            --font-title: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", sans-serif;
            --font-mono: "Space Grotesk", "Inter", "Roboto Mono", monospace;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: var(--font-title);
            background-color: var(--bg-primary);
            color: var(--text-body);
            font-size: 16px;
            line-height: 1.8;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color .2s ease, border-color .2s ease, background-color .2s ease, opacity .2s ease;
        }
        img {
            display: block;
            max-width: 100%;
            height: auto;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        button {
            cursor: pointer;
            background: none;
            border: none;
            color: inherit;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Sidebar */
        .sidebar {
            position: fixed;
            left: 0;
            top: 0;
            bottom: 0;
            width: 232px;
            background-color: #0A0E17;
            border-right: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            z-index: 60;
            transition: transform .3s ease;
            overflow-y: auto;
        }
        .sidebar-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 24px 20px 18px;
            font-size: 20px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.04em;
            border-bottom: 1px solid var(--border-color);
        }
        .sidebar-logo .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--accent) 0%, var(--accent-purple) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #0A0E17;
            font-weight: 900;
        }
        .sidebar-nav {
            flex: 1;
            padding: 12px 10px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .sidebar-nav-link {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 14px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-muted);
            border-radius: var(--radius-sm);
            border-left: 2px solid transparent;
            transition: all .22s ease;
            white-space: nowrap;
        }
        .sidebar-nav-link i {
            width: 18px;
            text-align: center;
            font-size: 15px;
        }
        .sidebar-nav-link:hover {
            color: var(--text-primary);
            background: rgba(255,255,255,0.04);
        }
        .sidebar-nav-link.active {
            color: var(--accent);
            background: rgba(0,240,192,0.06);
            border-left-color: var(--accent);
        }
        .sidebar-footer {
            padding: 16px 20px;
            border-top: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            gap: 10px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .sidebar-footer a {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-muted);
            transition: color .2s ease;
        }
        .sidebar-footer a:hover {
            color: var(--accent);
        }

        /* Main wrapper */
        .main-wrapper {
            margin-left: 232px;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        .main-content {
            flex: 1;
            padding-bottom: 0;
        }

        /* Mobile header */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 56px;
            background: #0A0E17;
            border-bottom: 1px solid var(--border-color);
            z-index: 50;
            align-items: center;
            padding: 0 16px;
            gap: 12px;
        }
        .mobile-header .logo-text {
            font-size: 17px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.03em;
        }
        .hamburger {
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 40px;
            height: 40px;
            padding: 8px;
            border-radius: 8px;
            transition: background .2s ease;
            flex-shrink: 0;
        }
        .hamburger:hover {
            background: rgba(255,255,255,0.06);
        }
        .hamburger span {
            display: block;
            width: 100%;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all .3s ease;
        }
        .hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0,0,0,0.6);
            z-index: 55;
            opacity: 0;
            transition: opacity .3s ease;
        }
        .drawer-overlay.show {
            display: block;
            opacity: 1;
        }

        /* Sections */
        .section {
            padding: 56px 0;
            position: relative;
        }
        .section-alt {
            background-color: rgba(17,24,39,0.55);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }
        .section-title {
            font-size: 26px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            margin-bottom: 12px;
            line-height: 1.35;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 760px;
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            padding: 16px 0;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-muted);
            transition: color .2s ease;
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb .sep {
            color: #4B5563;
            user-select: none;
        }
        .breadcrumb .current {
            color: var(--accent);
            font-weight: 600;
        }

        /* Cards */
        .card {
            background: linear-gradient(145deg, #111827 0%, #1F2937 100%);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 22px;
            transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
        }
        .card:hover {
            transform: translateY(-4px);
            border-color: var(--border-hover);
            box-shadow: var(--shadow-hover);
        }
        .card-image {
            border-radius: var(--radius-sm);
            overflow: hidden;
            position: relative;
            background: #0A0E17;
            aspect-ratio: 16/9;
        }
        .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .card:hover .card-image img {
            transform: scale(1.04);
        }
        .card-image-tag {
            position: absolute;
            top: 10px;
            left: 10px;
            z-index: 2;
        }
        .tech-card {
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .tech-card .tech-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            margin: 12px 0 8px;
        }
        .tech-card .tech-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.45;
            margin-bottom: 8px;
        }
        .tech-card .tech-summary {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
        }
        .tech-card .tech-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 16px;
            padding-top: 14px;
            border-top: 1px solid var(--border-color);
        }
        .tech-card .tech-date {
            font-family: var(--font-mono);
            font-size: 12px;
            color: var(--text-muted);
        }
        .tech-card .tech-btn {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap .2s ease;
        }
        .tech-card .tech-btn:hover {
            gap: 10px;
            color: #2DEA9B;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-sm);
            padding: 10px 20px;
            font-weight: 700;
            font-size: 14px;
            transition: all .25s ease;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .btn-primary {
            background-color: var(--accent);
            color: #0A0E17;
            border: 1px solid var(--accent);
        }
        .btn-primary:hover {
            background-color: #2DEA9B;
            border-color: #2DEA9B;
            box-shadow: 0 0 20px rgba(0,240,192,0.25);
            transform: translateY(-2px);
        }
        .btn-secondary {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid rgba(255,255,255,0.25);
        }
        .btn-secondary:hover {
            border-color: var(--accent);
            color: var(--accent);
            box-shadow: 0 0 16px rgba(0,240,192,0.12);
            transform: translateY(-2px);
        }
        .btn-outline-accent {
            background: transparent;
            color: var(--accent);
            border: 1px solid var(--accent);
        }
        .btn-outline-accent:hover {
            background: rgba(0,240,192,0.08);
            box-shadow: 0 0 16px rgba(0,240,192,0.15);
        }
        .btn-sm {
            padding: 7px 14px;
            font-size: 12px;
            border-radius: 6px;
        }

        /* Tags */
        .tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            letter-spacing: 0.04em;
        }
        .tag-accent {
            color: var(--accent);
            background: rgba(0,240,192,0.08);
            border: 1px solid rgba(0,240,192,0.2);
        }
        .tag-purple {
            color: var(--accent-purple);
            background: rgba(123,97,255,0.08);
            border: 1px solid rgba(123,97,255,0.2);
        }
        .tag-amber {
            color: var(--accent-amber);
            background: rgba(245,184,0,0.08);
            border: 1px solid rgba(245,184,0,0.2);
        }

        /* H1 zone */
        .page-head {
            padding: 28px 0 18px;
            border-bottom: 1px solid var(--border-color);
            background: linear-gradient(180deg, rgba(17,24,39,0.7) 0%, transparent 100%);
        }
        .page-head h1 {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            line-height: 1.3;
            margin-bottom: 10px;
        }
        .page-head .head-desc {
            font-size: 15px;
            color: var(--text-muted);
            max-width: 800px;
            line-height: 1.8;
        }
        .page-head .head-stats {
            display: flex;
            gap: 24px;
            margin-top: 16px;
            flex-wrap: wrap;
        }
        .page-head .head-stat {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .page-head .head-stat i {
            color: var(--accent);
            font-size: 14px;
        }

        /* Hot list */
        .hot-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            background: rgba(17,24,39,0.7);
            transition: all .22s ease;
        }
        .hot-item:hover {
            border-color: var(--border-hover);
            background: rgba(0,240,192,0.04);
        }
        .hot-rank {
            font-family: var(--font-mono);
            font-size: 20px;
            font-weight: 700;
            color: var(--accent);
            width: 36px;
            text-align: center;
            flex-shrink: 0;
        }
        .hot-rank.top {
            color: var(--accent-amber);
        }
        .hot-info {
            flex: 1;
            min-width: 0;
        }
        .hot-info h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .hot-info p {
            font-size: 12px;
            color: var(--text-muted);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        /* Tag chips */
        .tag-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            font-size: 13px;
            font-weight: 600;
            border-radius: 999px;
            border: 1px solid var(--border-color);
            color: var(--text-body);
            background: rgba(17,24,39,0.8);
            transition: all .22s ease;
        }
        .tag-chip:hover {
            border-color: var(--accent-purple);
            color: var(--accent-purple);
            background: rgba(123,97,255,0.06);
            transform: translateY(-2px);
        }
        .tag-chip i {
            font-size: 12px;
            color: var(--accent-purple);
        }

        /* Editor pick */
        .editor-main {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 16/9;
            background: #0A0E17;
        }
        .editor-main img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .editor-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 30%, rgba(10,14,23,0.9) 100%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 28px;
        }
        .editor-overlay h4 {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.4;
            margin-bottom: 8px;
        }
        .editor-overlay p {
            font-size: 14px;
            color: #D1D5DB;
            line-height: 1.7;
            max-width: 560px;
        }
        .editor-mini {
            display: flex;
            gap: 12px;
            padding: 12px;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            background: rgba(17,24,39,0.7);
            transition: all .22s ease;
        }
        .editor-mini:hover {
            border-color: var(--border-hover);
            background: rgba(0,240,192,0.04);
        }
        .editor-mini .mini-thumb {
            width: 96px;
            height: 64px;
            border-radius: 6px;
            overflow: hidden;
            flex-shrink: 0;
            background: #0A0E17;
        }
        .editor-mini .mini-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .editor-mini .mini-info {
            flex: 1;
            min-width: 0;
        }
        .editor-mini .mini-info h5 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
            margin-bottom: 4px;
        }
        .editor-mini .mini-info p {
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* CTA strip */
        .cta-strip {
            background: linear-gradient(135deg, #0F1420 0%, #1A1F35 50%, #0F1420 100%);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }
        .cta-strip h3 {
            font-size: 19px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .cta-strip p {
            font-size: 14px;
            color: var(--text-muted);
        }
        .cta-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .cta-form input {
            background: rgba(10,14,23,0.8);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 10px 16px;
            font-size: 14px;
            color: var(--text-primary);
            width: 260px;
            transition: border-color .2s ease, box-shadow .2s ease;
            outline: none;
        }
        .cta-form input::placeholder {
            color: #6B7280;
        }
        .cta-form input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(0,240,192,0.1);
        }

        /* FAQ */
        .faq-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            margin-bottom: 10px;
            overflow: hidden;
            transition: border-color .22s ease;
        }
        .faq-item.open {
            border-color: var(--border-hover);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            background: rgba(17,24,39,0.7);
            transition: background .2s ease;
            text-align: left;
        }
        .faq-question:hover {
            background: rgba(0,240,192,0.04);
        }
        .faq-question i {
            font-size: 14px;
            color: var(--accent);
            transition: transform .3s ease;
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease, padding .35s ease;
            padding: 0 20px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 16px;
        }
        .faq-answer p {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.8;
        }

        /* Step code block */
        .step-code {
            font-family: var(--font-mono);
            font-size: 13px;
            background: rgba(10,14,23,0.9);
            border: 1px solid var(--border-color);
            border-radius: 6px;
            padding: 12px 16px;
            color: var(--accent);
            overflow-x: auto;
            white-space: pre;
            line-height: 1.6;
        }

        /* Footer */
        .site-footer {
            background: #080B12;
            border-top: 1px solid var(--border-color);
            padding: 48px 0 24px;
            margin-top: 40px;
        }
        .site-footer h4 {
            font-size: 16px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }
        .site-footer p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 6px;
        }
        .site-footer p a {
            color: var(--text-muted);
            transition: color .2s ease;
        }
        .site-footer p a:hover {
            color: var(--accent);
        }
        .site-footer .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 32px;
            padding-top: 18px;
            border-top: 1px solid var(--border-color);
            font-size: 12px;
            color: #6B7280;
        }
        .site-footer .footer-bottom a {
            color: #6B7280;
            transition: color .2s ease;
        }
        .site-footer .footer-bottom a:hover {
            color: var(--accent);
        }

        /* Focus visible */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        /* Responsive */
        @media (max-width: 1023px) {
            .sidebar {
                transform: translateX(-100%);
                width: 78vw;
                max-width: 320px;
            }
            .sidebar.mobile-open {
                transform: translateX(0);
                box-shadow: 0 0 40px rgba(0,0,0,0.5);
            }
            .main-wrapper {
                margin-left: 0;
            }
            .mobile-header {
                display: flex;
            }
            .main-content {
                padding-top: 56px;
            }
            .page-head h1 {
                font-size: 26px;
            }
            .section {
                padding: 40px 0;
            }
            .cta-strip {
                flex-direction: column;
                align-items: flex-start;
                padding: 22px 20px;
            }
            .cta-form input {
                width: 100%;
            }
            .cta-form {
                width: 100%;
            }
            .editor-overlay {
                padding: 18px;
            }
            .editor-overlay h4 {
                font-size: 16px;
            }
        }
        @media (max-width: 640px) {
            .container {
                padding: 0 16px;
            }
            .page-head h1 {
                font-size: 22px;
            }
            .section-title {
                font-size: 22px;
            }
            .page-head .head-stats {
                gap: 14px;
                flex-wrap: wrap;
            }
            .hot-item {
                padding: 10px 12px;
            }
            .editor-mini {
                flex-direction: column;
            }
            .editor-mini .mini-thumb {
                width: 100%;
                height: 120px;
            }
            .cta-form input {
                width: 100%;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
            .tech-card .tech-footer {
                flex-direction: column;
                gap: 8px;
                align-items: flex-start;
            }
        }