/* roulang page: index */
:root {
            --color-primary: #2563eb;
            --color-primary-dark: #1d4ed8;
            --color-primary-light: #3b82f6;
            --color-accent: #f97316;
            --color-accent-dark: #ea580c;
            --color-warm: #eab308;
            --color-bg: #f8fafc;
            --color-bg-dark: #0f172a;
            --color-bg-card: #ffffff;
            --color-text: #1e293b;
            --color-text-secondary: #64748b;
            --color-text-light: #94a3b8;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.04);
            --shadow-lg: 0 10px 30px rgba(0,0,0,0.1), 0 4px 10px rgba(0,0,0,0.05);
            --shadow-xl: 0 20px 50px rgba(0,0,0,0.12), 0 8px 20px rgba(0,0,0,0.06);
            --shadow-glow: 0 0 30px rgba(37,99,235,0.25);
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --header-top-height: 36px;
            --header-nav-height: 68px;
        }

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

        body {
            margin: 0;
            padding: 0;
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            outline: none;
        }
        button:focus-visible, a:focus-visible, input:focus-visible {
            outline: 3px solid rgba(37,99,235,0.4);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

        /* Header Top Bar */
        .header-top {
            background: var(--color-bg-dark);
            color: #cbd5e1;
            font-size: 13px;
            height: var(--header-top-height);
            line-height: var(--header-top-height);
            position: relative;
            z-index: 1001;
        }
        .header-top .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .header-top a {
            color: #e2e8f0;
            transition: color var(--transition-fast);
        }
        .header-top a:hover {
            color: #ffffff;
        }
        .header-top__left {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .header-top__left i {
            font-size: 11px;
            margin-right: 4px;
            color: var(--color-accent);
        }
        .header-top__right {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .header-top__badge {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            font-size: 11px;
            padding: 2px 8px;
            border-radius: 10px;
            line-height: 1.5;
            font-weight: 600;
            letter-spacing: 0.3px;
        }

        /* Header Nav */
        .header-nav {
            background: #ffffff;
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--header-nav-height);
            box-shadow: 0 1px 4px rgba(0,0,0,0.04);
            transition: box-shadow var(--transition-base);
        }
        .header-nav.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .nav-logo {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-primary-dark);
            letter-spacing: -0.3px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition-fast);
        }
        .nav-logo:hover {
            color: var(--color-primary);
        }
        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 800;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links li a {
            display: block;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }
        .nav-links li a:hover {
            color: var(--color-primary);
            background: #eff6ff;
        }
        .nav-links li a.active {
            color: var(--color-primary);
            background: #eff6ff;
            font-weight: 600;
        }
        .nav-links li a.nav-cta {
            background: var(--color-primary);
            color: #fff;
            padding: 8px 22px;
            border-radius: 20px;
            font-weight: 600;
            letter-spacing: 0.3px;
            transition: all var(--transition-base);
        }
        .nav-links li a.nav-cta:hover {
            background: var(--color-primary-dark);
            color: #fff;
            box-shadow: var(--shadow-glow);
            transform: translateY(-1px);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--color-text);
            padding: 8px;
            cursor: pointer;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .nav-toggle:hover {
            background: #f1f5f9;
        }

        /* Hero */
        .hero {
            position: relative;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            min-height: 560px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,23,42,0.88) 0%, rgba(30,58,138,0.78) 40%, rgba(37,99,235,0.55) 70%, rgba(15,23,42,0.82) 100%);
            z-index: 1;
        }
        .hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .hero__content {
            color: #fff;
        }
        .hero__tag {
            display: inline-block;
            background: rgba(255,255,255,0.15);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255,255,255,0.25);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 20px;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
        }
        .hero__tag i {
            margin-right: 6px;
            color: var(--color-warm);
        }
        .hero__title {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.2;
            margin: 0 0 16px;
            letter-spacing: -1px;
        }
        .hero__title span {
            background: linear-gradient(135deg, #fbbf24, #f97316);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero__desc {
            font-size: 17px;
            color: #cbd5e1;
            line-height: 1.7;
            margin: 0 0 28px;
            max-width: 480px;
        }
        .hero__actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.3px;
            transition: all var(--transition-base);
            white-space: nowrap;
            cursor: pointer;
            text-align: center;
            justify-content: center;
        }
        .btn-primary {
            background: var(--color-accent);
            color: #fff;
            box-shadow: 0 4px 16px rgba(249,115,22,0.35);
        }
        .btn-primary:hover {
            background: var(--color-accent-dark);
            color: #fff;
            box-shadow: 0 6px 24px rgba(249,115,22,0.5);
            transform: translateY(-2px);
        }
        .btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255,255,255,0.5);
        }
        .btn-outline:hover {
            background: rgba(255,255,255,0.1);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-white {
            background: #fff;
            color: var(--color-primary);
        }
        .btn-white:hover {
            background: #f1f5f9;
            color: var(--color-primary-dark);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .hero__stats {
            display: flex;
            gap: 32px;
            margin-top: 32px;
            flex-wrap: wrap;
        }
        .hero__stat {
            text-align: left;
        }
        .hero__stat-number {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
        }
        .hero__stat-label {
            font-size: 13px;
            color: #94a3b8;
            margin-top: 2px;
        }
        .hero__visual {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .hero__card-stack {
            position: relative;
            width: 100%;
            max-width: 380px;
            aspect-ratio: 3/4;
        }
        .hero__card-stack .stack-card {
            position: absolute;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-xl);
            border: 3px solid rgba(255,255,255,0.3);
            transition: all var(--transition-slow);
        }
        .hero__card-stack .stack-card:nth-child(1) {
            top: 0;
            right: 0;
            width: 75%;
            z-index: 3;
            transform: rotate(3deg);
        }
        .hero__card-stack .stack-card:nth-child(2) {
            top: 10%;
            right: 8%;
            width: 70%;
            z-index: 2;
            transform: rotate(-4deg);
        }
        .hero__card-stack .stack-card:nth-child(3) {
            top: 22%;
            right: 16%;
            width: 65%;
            z-index: 1;
            transform: rotate(2deg);
        }
        .hero__card-stack .stack-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 3/4;
        }

        /* Section */
        .section {
            padding: 64px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }
        .section-header__label {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: var(--color-primary);
            margin-bottom: 8px;
        }
        .section-header__title {
            font-size: 32px;
            font-weight: 800;
            color: var(--color-text);
            margin: 0 0 10px;
            letter-spacing: -0.5px;
        }
        .section-header__desc {
            font-size: 15px;
            color: var(--color-text-secondary);
            max-width: 560px;
            margin: 0 auto;
        }
        .section--alt {
            background: #fff;
        }
        .section--dark {
            background: var(--color-bg-dark);
            color: #fff;
        }
        .section--dark .section-header__title {
            color: #fff;
        }
        .section--dark .section-header__desc {
            color: #94a3b8;
        }

        /* Feature Cards */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .feature-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .feature-card__icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 24px;
            background: #eff6ff;
            color: var(--color-primary);
            transition: all var(--transition-base);
        }
        .feature-card:hover .feature-card__icon {
            background: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-glow);
        }
        .feature-card__title {
            font-size: 17px;
            font-weight: 700;
            margin: 0 0 8px;
            color: var(--color-text);
        }
        .feature-card__desc {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* Category Cards */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .category-card {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            aspect-ratio: 4/3;
            cursor: pointer;
            transition: all var(--transition-slow);
            box-shadow: var(--shadow-md);
            display: block;
            color: #fff;
        }
        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-xl);
            color: #fff;
        }
        .category-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .category-card:hover img {
            transform: scale(1.06);
        }
        .category-card__overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15,23,42,0.9) 0%, rgba(15,23,42,0.3) 50%, rgba(15,23,42,0.05) 100%);
            z-index: 1;
        }
        .category-card__content {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 28px;
            z-index: 2;
        }
        .category-card__tag {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            font-size: 11px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 12px;
            letter-spacing: 0.5px;
            margin-bottom: 8px;
        }
        .category-card__title {
            font-size: 22px;
            font-weight: 700;
            margin: 0 0 4px;
            letter-spacing: -0.3px;
        }
        .category-card__count {
            font-size: 13px;
            color: #cbd5e1;
        }

        /* News List */
        .news-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 14px;
            max-width: 860px;
            margin: 0 auto;
        }
        .news-item {
            display: flex;
            gap: 18px;
            align-items: flex-start;
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            text-decoration: none;
            color: inherit;
        }
        .news-item:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
            transform: translateX(4px);
        }
        .news-item__thumb {
            width: 120px;
            height: 80px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: #f1f5f9;
        }
        .news-item__body {
            flex: 1;
            min-width: 0;
        }
        .news-item__category {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            padding: 2px 10px;
            border-radius: 10px;
            background: #eff6ff;
            color: var(--color-primary);
            letter-spacing: 0.3px;
            margin-bottom: 6px;
        }
        .news-item__title {
            font-size: 16px;
            font-weight: 700;
            margin: 0 0 6px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            color: var(--color-text);
        }
        .news-item:hover .news-item__title {
            color: var(--color-primary);
        }
        .news-item__meta {
            font-size: 12px;
            color: var(--color-text-light);
            display: flex;
            gap: 14px;
            align-items: center;
        }
        .news-empty {
            text-align: center;
            padding: 48px 24px;
            color: var(--color-text-secondary);
            font-size: 15px;
            background: #fff;
            border-radius: var(--radius-lg);
            border: 2px dashed var(--color-border);
        }

        /* Hot Ranking */
        .ranking-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .ranking-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 28px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }
        .ranking-card:hover {
            box-shadow: var(--shadow-lg);
        }
        .ranking-card__header {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 18px;
            font-size: 18px;
            font-weight: 700;
        }
        .ranking-card__header i {
            color: var(--color-warm);
            font-size: 20px;
        }
        .ranking-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
        }
        .ranking-item:last-child {
            border-bottom: none;
        }
        .ranking-item:hover {
            padding-left: 6px;
        }
        .ranking-item__num {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            flex-shrink: 0;
            background: #f1f5f9;
            color: var(--color-text-secondary);
        }
        .ranking-item:nth-child(1) .ranking-item__num {
            background: #fef3c7;
            color: #b45309;
            font-size: 15px;
        }
        .ranking-item:nth-child(2) .ranking-item__num {
            background: #e2e8f0;
            color: #475569;
            font-size: 14px;
        }
        .ranking-item:nth-child(3) .ranking-item__num {
            background: #fed7aa;
            color: #9a3412;
            font-size: 14px;
        }
        .ranking-item__text {
            flex: 1;
            font-size: 14px;
            font-weight: 500;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .ranking-item__badge {
            font-size: 11px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 10px;
            background: #fef2f2;
            color: #dc2626;
            white-space: nowrap;
        }
        .ranking-item__badge.hot {
            background: #fff7ed;
            color: #ea580c;
        }

        /* Tags */
        .tags-scroll {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .tag {
            display: inline-block;
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 500;
            background: #fff;
            border: 1.5px solid var(--color-border);
            color: var(--color-text);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .tag:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: #eff6ff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }
        .tag.tag-hot {
            background: #fef2f2;
            border-color: #fecaca;
            color: #dc2626;
            font-weight: 600;
        }
        .tag.tag-new {
            background: #f0fdf4;
            border-color: #bbf7d0;
            color: #16a34a;
            font-weight: 600;
        }
        .tag.tag-featured {
            background: #fff7ed;
            border-color: #fed7aa;
            color: #ea580c;
            font-weight: 600;
        }

        /* FAQ */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }
        .faq-item__question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 600;
            background: none;
            border: none;
            cursor: pointer;
            color: var(--color-text);
            text-align: left;
            gap: 12px;
            transition: color var(--transition-fast);
        }
        .faq-item__question:hover {
            color: var(--color-primary);
        }
        .faq-item__question i {
            font-size: 14px;
            color: var(--color-text-light);
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }
        .faq-item.open .faq-item__question i {
            transform: rotate(180deg);
            color: var(--color-primary);
        }
        .faq-item__answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 24px;
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }
        .faq-item.open .faq-item__answer {
            max-height: 200px;
            padding: 0 24px 20px;
        }

        /* CTA */
        .cta-block {
            background: linear-gradient(135deg, #1e40af 0%, #2563eb 40%, #3b82f6 100%);
            border-radius: var(--radius-2xl);
            padding: 56px 48px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(255,255,255,0.06);
            pointer-events: none;
        }
        .cta-block::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: rgba(255,255,255,0.04);
            pointer-events: none;
        }
        .cta-block__title {
            font-size: 30px;
            font-weight: 800;
            margin: 0 0 12px;
            position: relative;
            z-index: 1;
        }
        .cta-block__desc {
            font-size: 16px;
            color: #bfdbfe;
            margin: 0 0 28px;
            position: relative;
            z-index: 1;
        }
        .cta-block .btn {
            position: relative;
            z-index: 1;
        }

        /* Footer */
        .footer {
            background: var(--color-bg-dark);
            color: #cbd5e1;
            padding: 48px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
        }
        .footer__brand {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .footer__brand-desc {
            font-size: 13px;
            color: #94a3b8;
            line-height: 1.7;
            max-width: 280px;
        }
        .footer__col-title {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer__links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer__links li {
            margin-bottom: 8px;
        }
        .footer__links a {
            font-size: 13px;
            color: #94a3b8;
            transition: color var(--transition-fast);
        }
        .footer__links a:hover {
            color: #fff;
        }
        .footer__bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            margin-top: 36px;
            padding-top: 20px;
            text-align: center;
            font-size: 12px;
            color: #64748b;
        }

        /* Scroll to top */
        .scroll-top {
            position: fixed;
            bottom: 28px;
            right: 28px;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            box-shadow: var(--shadow-lg);
            cursor: pointer;
            z-index: 999;
            opacity: 0;
            pointer-events: none;
            transition: all var(--transition-base);
            border: none;
        }
        .scroll-top.visible {
            opacity: 1;
            pointer-events: auto;
        }
        .scroll-top:hover {
            background: var(--color-primary-dark);
            transform: translateY(-3px);
            box-shadow: var(--shadow-xl);
        }

        /* Mobile Menu */
        .mobile-menu-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(15,23,42,0.7);
            z-index: 998;
        }
        .mobile-menu-overlay.active {
            display: block;
        }
        .mobile-menu {
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            height: 100vh;
            background: #fff;
            z-index: 999;
            padding: 24px;
            transition: right var(--transition-slow);
            box-shadow: var(--shadow-xl);
            display: flex;
            flex-direction: column;
        }
        .mobile-menu.active {
            right: 0;
        }
        .mobile-menu__close {
            align-self: flex-end;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--color-text);
            padding: 6px;
            cursor: pointer;
            border-radius: var(--radius-sm);
        }
        .mobile-menu__links {
            list-style: none;
            padding: 0;
            margin: 20px 0;
        }
        .mobile-menu__links li a {
            display: block;
            padding: 14px 12px;
            font-size: 16px;
            font-weight: 500;
            border-radius: var(--radius-sm);
            color: var(--color-text);
            transition: all var(--transition-fast);
        }
        .mobile-menu__links li a:hover,
        .mobile-menu__links li a.active {
            background: #eff6ff;
            color: var(--color-primary);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero .container {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .hero__visual {
                order: -1;
                justify-content: center;
            }
            .hero__card-stack {
                max-width: 260px;
            }
            .hero__title {
                font-size: 36px;
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .ranking-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .header-top {
                display: none;
            }
            .nav-links {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .hero {
                min-height: 440px;
            }
            .hero__title {
                font-size: 28px;
            }
            .hero__desc {
                font-size: 15px;
            }
            .hero__stats {
                gap: 20px;
            }
            .hero__stat-number {
                font-size: 24px;
            }
            .hero__card-stack {
                max-width: 200px;
            }
            .section {
                padding: 44px 0;
            }
            .section-header__title {
                font-size: 26px;
            }
            .features-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .category-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .news-item {
                flex-direction: column;
                gap: 12px;
                padding: 16px;
            }
            .news-item__thumb {
                width: 100%;
                height: 160px;
            }
            .ranking-grid {
                grid-template-columns: 1fr;
            }
            .cta-block {
                padding: 36px 24px;
            }
            .cta-block__title {
                font-size: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .scroll-top {
                bottom: 16px;
                right: 16px;
                width: 38px;
                height: 38px;
                font-size: 16px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero {
                min-height: 380px;
            }
            .hero__title {
                font-size: 24px;
            }
            .hero__actions {
                flex-direction: column;
            }
            .hero__actions .btn {
                width: 100%;
                justify-content: center;
            }
            .category-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .category-card {
                aspect-ratio: 16/10;
            }
            .tags-scroll {
                gap: 6px;
            }
            .tag {
                font-size: 12px;
                padding: 6px 13px;
            }
            .btn {
                padding: 12px 22px;
                font-size: 14px;
            }
            .nav-logo {
                font-size: 18px;
            }
            .nav-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
            }
            .header-nav {
                height: 56px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --accent: #f4a261;
            --accent-glow: #ffb703;
            --bg-dark: #0d0f14;
            --bg-card: #161922;
            --bg-card-hover: #1c1f2b;
            --bg-surface: #11131c;
            --bg-elevated: #1a1d28;
            --text-primary: #f0f0f5;
            --text-secondary: #b0b3c0;
            --text-muted: #7a7d8a;
            --border-subtle: #252836;
            --border-strong: #353848;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.25);
            --shadow-md: 0 6px 20px rgba(0,0,0,0.35);
            --shadow-lg: 0 12px 36px rgba(0,0,0,0.5);
            --shadow-glow: 0 0 24px rgba(230,57,70,0.2);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Segoe UI', system-ui, sans-serif;
            --max-width: 1280px;
            --nav-height: 68px;
            --topbar-height: 36px;
        }

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

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

        body {
            font-family: var(--font-body);
            background-color: var(--bg-dark);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 15px;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
            font-size: inherit;
        }

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

        ul, ol {
            list-style: none;
        }

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

        /* 顶部信息条 */
        .top-bar {
            background: var(--bg-surface);
            border-bottom: 1px solid var(--border-subtle);
            height: var(--topbar-height);
            display: flex;
            align-items: center;
            font-size: 12px;
            color: var(--text-muted);
            position: relative;
            z-index: 1001;
        }
        .top-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .top-bar__left {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .top-bar__left i {
            color: var(--primary-light);
            font-size: 11px;
        }
        .top-bar__right {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .top-bar__right a {
            color: var(--text-muted);
            font-size: 12px;
            transition: color var(--transition-fast);
        }
        .top-bar__right a:hover {
            color: var(--primary-light);
        }
        .top-bar__badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: var(--primary);
            color: #fff;
            padding: 2px 10px;
            border-radius: 20px;
            font-size: 11px;
            font-weight: 600;
            animation: pulse-badge 2s infinite;
        }
        @keyframes pulse-badge {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.78; }
        }

        /* 主导航 */
        .header-nav {
            background: rgba(13,15,20,0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-normal);
        }
        .header-nav.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            font-family: var(--font-heading);
            letter-spacing: 0.5px;
            transition: opacity var(--transition-fast);
        }
        .nav-logo:hover {
            opacity: 0.85;
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-radius: var(--radius-sm);
            font-size: 18px;
            font-weight: 800;
            letter-spacing: 0;
            box-shadow: var(--shadow-glow);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-links li a {
            display: inline-flex;
            align-items: center;
            padding: 10px 18px;
            border-radius: var(--radius-md);
            font-size: 14.5px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            position: relative;
        }
        .nav-links li a:hover {
            color: var(--text-primary);
            background: rgba(255,255,255,0.04);
        }
        .nav-links li a.active {
            color: #fff;
            background: rgba(230,57,70,0.15);
            font-weight: 600;
        }
        .nav-links li a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 3px;
        }
        .nav-cta {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark)) !important;
            color: #fff !important;
            font-weight: 600 !important;
            padding: 10px 20px !important;
            border-radius: var(--radius-md) !important;
            box-shadow: 0 4px 16px rgba(230,57,70,0.3);
            transition: all var(--transition-normal) !important;
            gap: 6px;
        }
        .nav-cta:hover {
            box-shadow: 0 6px 22px rgba(230,57,70,0.45) !important;
            transform: translateY(-1px);
            background: linear-gradient(135deg, var(--primary-light), var(--primary)) !important;
        }
        .nav-cta::after {
            display: none !important;
        }
        .nav-toggle {
            display: none;
            color: var(--text-primary);
            font-size: 22px;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .nav-toggle:hover {
            background: rgba(255,255,255,0.06);
        }

        /* 分类Hero */
        .category-hero {
            position: relative;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            min-height: 340px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(13,15,20,0.75) 0%, rgba(13,15,20,0.88) 60%, var(--bg-dark) 100%);
            z-index: 1;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(230,57,70,0.18) 0%, transparent 70%);
            z-index: 0;
            border-radius: 50%;
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            gap: 12px;
            padding-top: 40px;
            padding-bottom: 40px;
        }
        .category-hero__badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(230,57,70,0.2);
            border: 1px solid rgba(230,57,70,0.35);
            color: var(--primary-light);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            width: fit-content;
            letter-spacing: 0.5px;
        }
        .category-hero__badge i {
            font-size: 12px;
        }
        .category-hero h1 {
            font-family: var(--font-heading);
            font-size: 42px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 1px;
            line-height: 1.2;
            max-width: 700px;
        }
        .category-hero h1 span {
            background: linear-gradient(135deg, var(--primary-light), var(--accent-glow));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .category-hero__desc {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 560px;
            line-height: 1.7;
        }
        .category-hero__stats {
            display: flex;
            gap: 28px;
            margin-top: 8px;
        }
        .category-hero__stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .category-hero__stat-num {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            font-family: var(--font-heading);
        }
        .category-hero__stat-label {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 内容区 */
        .category-main {
            padding: 48px 0 60px;
        }
        .category-main .container {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 36px;
            align-items: start;
        }

        /* 标签筛选栏 */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 28px;
            padding-bottom: 20px;
            border-bottom: 1px solid var(--border-subtle);
        }
        .filter-tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 13.5px;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .filter-tag:hover {
            color: var(--text-primary);
            border-color: var(--border-strong);
            background: var(--bg-card-hover);
        }
        .filter-tag.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            font-weight: 600;
            box-shadow: 0 2px 12px rgba(230,57,70,0.3);
        }
        .filter-tag i {
            font-size: 11px;
        }

        /* 封面网格 */
        .cover-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-bottom: 36px;
        }
        .cover-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-normal);
            cursor: pointer;
            position: relative;
        }
        .cover-card:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            background: var(--bg-card-hover);
        }
        .cover-card__img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
        }
        .cover-card__img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .cover-card:hover .cover-card__img-wrap img {
            transform: scale(1.06);
        }
        .cover-card__badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--primary);
            color: #fff;
            font-size: 11px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 4px;
            letter-spacing: 0.5px;
            z-index: 2;
        }
        .cover-card__live-dot {
            position: absolute;
            top: 12px;
            right: 12px;
            display: flex;
            align-items: center;
            gap: 5px;
            background: rgba(0,0,0,0.7);
            color: #ff4444;
            font-size: 11px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 14px;
            z-index: 2;
        }
        .cover-card__live-dot::before {
            content: '';
            width: 7px;
            height: 7px;
            background: #ff4444;
            border-radius: 50%;
            animation: live-pulse 1.4s infinite;
        }
        @keyframes live-pulse {
            0%, 100% { opacity: 1; box-shadow: 0 0 4px #ff4444; }
            50% { opacity: 0.4; box-shadow: 0 0 12px #ff4444; }
        }
        .cover-card__body {
            padding: 18px;
        }
        .cover-card__title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .cover-card__meta {
            font-size: 12.5px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .cover-card__meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* 横向滚动专题 */
        .scroll-section {
            margin-bottom: 36px;
        }
        .scroll-section__header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 16px;
        }
        .scroll-section__title {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            font-family: var(--font-heading);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .scroll-section__title::before {
            content: '';
            width: 4px;
            height: 22px;
            background: var(--primary);
            border-radius: 2px;
        }
        .scroll-section__more {
            font-size: 13px;
            color: var(--primary-light);
            font-weight: 500;
            transition: color var(--transition-fast);
        }
        .scroll-section__more:hover {
            color: var(--accent-glow);
        }
        .scroll-row {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            padding-bottom: 8px;
            scrollbar-width: thin;
            scrollbar-color: var(--border-strong) transparent;
        }
        .scroll-row::-webkit-scrollbar {
            height: 5px;
        }
        .scroll-row::-webkit-scrollbar-track {
            background: transparent;
        }
        .scroll-row::-webkit-scrollbar-thumb {
            background: var(--border-strong);
            border-radius: 10px;
        }
        .scroll-card {
            flex: 0 0 240px;
            scroll-snap-align: start;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-subtle);
            overflow: hidden;
            transition: all var(--transition-normal);
            cursor: pointer;
            flex-shrink: 0;
        }
        .scroll-card:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .scroll-card__img {
            aspect-ratio: 4 / 3;
            overflow: hidden;
        }
        .scroll-card__img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .scroll-card:hover .scroll-card__img img {
            transform: scale(1.08);
        }
        .scroll-card__body {
            padding: 14px;
        }
        .scroll-card__title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .scroll-card__tag {
            display: inline-block;
            font-size: 11px;
            color: var(--accent);
            font-weight: 600;
            margin-bottom: 6px;
        }

        /* 更新条 */
        .update-strip {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 14px 18px;
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 28px;
            overflow: hidden;
            position: relative;
        }
        .update-strip__label {
            flex-shrink: 0;
            background: var(--primary);
            color: #fff;
            font-size: 11px;
            font-weight: 700;
            padding: 5px 12px;
            border-radius: 4px;
            letter-spacing: 0.5px;
        }
        .update-strip__content {
            flex: 1;
            overflow: hidden;
            position: relative;
            height: 22px;
        }
        .update-strip__list {
            display: flex;
            flex-direction: column;
            animation: scroll-up 12s infinite;
        }
        .update-strip__item {
            height: 22px;
            line-height: 22px;
            font-size: 13px;
            color: var(--text-secondary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        @keyframes scroll-up {
            0%, 20% { transform: translateY(0); }
            25%, 45% { transform: translateY(-22px); }
            50%, 70% { transform: translateY(-44px); }
            75%, 95% { transform: translateY(-66px); }
            100% { transform: translateY(0); }
        }

        /* 侧边栏 */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
            position: sticky;
            top: calc(var(--nav-height) + 24px);
        }
        .sidebar-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 20px;
        }
        .sidebar-card__title {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
            font-family: var(--font-heading);
        }
        .sidebar-card__title i {
            color: var(--primary-light);
        }
        .rank-list__item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-subtle);
            transition: background var(--transition-fast);
            cursor: pointer;
        }
        .rank-list__item:last-child {
            border-bottom: none;
        }
        .rank-list__item:hover {
            background: rgba(255,255,255,0.02);
            margin: 0 -8px;
            padding-left: 8px;
            padding-right: 8px;
            border-radius: var(--radius-sm);
        }
        .rank-num {
            width: 24px;
            height: 24px;
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 700;
            flex-shrink: 0;
            background: var(--bg-surface);
            color: var(--text-muted);
        }
        .rank-num.top1 { background: #e63946; color: #fff; }
        .rank-num.top2 { background: #f4a261; color: #fff; }
        .rank-num.top3 { background: #e9c46a; color: #1a1a1a; }
        .rank-info {
            flex: 1;
            min-width: 0;
        }
        .rank-info__name {
            font-size: 13.5px;
            font-weight: 600;
            color: var(--text-primary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .rank-info__sub {
            font-size: 11px;
            color: var(--text-muted);
        }
        .rank-hot {
            font-size: 12px;
            color: var(--primary-light);
            font-weight: 600;
            flex-shrink: 0;
        }

        /* 标签云 */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .tag-cloud a {
            display: inline-block;
            padding: 6px 13px;
            font-size: 12px;
            border-radius: 16px;
            background: var(--bg-surface);
            color: var(--text-secondary);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-fast);
        }
        .tag-cloud a:hover {
            color: #fff;
            background: var(--primary);
            border-color: var(--primary);
        }

        /* CTA区块 */
        .cta-block {
            background: linear-gradient(135deg, var(--bg-elevated), var(--bg-card));
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            text-align: center;
            margin-top: 40px;
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(230,57,70,0.12) 0%, transparent 70%);
            border-radius: 50%;
            z-index: 0;
        }
        .cta-block>* {
            position: relative;
            z-index: 1;
        }
        .cta-block h3 {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            font-family: var(--font-heading);
        }
        .cta-block p {
            color: var(--text-secondary);
            margin-bottom: 24px;
            font-size: 15px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-weight: 600;
            padding: 14px 32px;
            border-radius: var(--radius-md);
            font-size: 15px;
            transition: all var(--transition-normal);
            box-shadow: 0 4px 18px rgba(230,57,70,0.35);
            cursor: pointer;
        }
        .btn-primary:hover {
            box-shadow: 0 8px 28px rgba(230,57,70,0.5);
            transform: translateY(-2px);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            padding: 14px 32px;
            border-radius: var(--radius-md);
            font-size: 15px;
            border: 2px solid var(--border-strong);
            transition: all var(--transition-normal);
            cursor: pointer;
        }
        .btn-outline:hover {
            border-color: var(--primary-light);
            color: #fff;
            background: rgba(230,57,70,0.08);
        }

        /* 页脚 */
        .footer {
            background: var(--bg-surface);
            border-top: 1px solid var(--border-subtle);
            padding: 48px 0 30px;
            margin-top: 20px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .footer__brand {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            font-family: var(--font-heading);
        }
        .footer__brand-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.8;
        }
        .footer__col-title {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer__links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer__links a {
            font-size: 13px;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .footer__links a:hover {
            color: var(--primary-light);
        }
        .footer__bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 20px;
            text-align: center;
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .category-main .container {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .sidebar {
                position: static;
                display: grid;
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .cover-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-hero h1 {
                font-size: 34px;
            }
        }

        @media (max-width: 768px) {
            .top-bar {
                display: none;
            }
            .header-nav {
                height: 60px;
            }
            .nav-logo {
                font-size: 17px;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
            }
            .nav-links {
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(13,15,20,0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                padding: 16px;
                gap: 2px;
                border-bottom: 1px solid var(--border-subtle);
                transform: translateY(-120%);
                opacity: 0;
                transition: all var(--transition-normal);
                z-index: 999;
                box-shadow: var(--shadow-lg);
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
            }
            .nav-links li a {
                display: flex;
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
            }
            .nav-cta {
                justify-content: center;
                margin-top: 6px;
            }
            .nav-toggle {
                display: block;
            }
            .category-hero {
                min-height: 260px;
            }
            .category-hero h1 {
                font-size: 28px;
            }
            .category-hero__stats {
                gap: 16px;
                flex-wrap: wrap;
            }
            .category-hero__stat-num {
                font-size: 22px;
            }
            .cover-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .scroll-card {
                flex: 0 0 180px;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .cta-block {
                padding: 28px 20px;
            }
            .cta-block h3 {
                font-size: 22px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .filter-bar {
                gap: 6px;
            }
            .filter-tag {
                padding: 6px 12px;
                font-size: 12px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .category-hero {
                min-height: 220px;
            }
            .category-hero h1 {
                font-size: 24px;
            }
            .category-hero__desc {
                font-size: 14px;
            }
            .cover-grid {
                grid-template-columns: 1fr;
            }
            .scroll-card {
                flex: 0 0 150px;
            }
            .scroll-card__title {
                font-size: 12px;
            }
            .update-strip {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .btn-primary, .btn-outline {
                padding: 12px 24px;
                font-size: 14px;
            }
            .category-hero__stats {
                gap: 12px;
            }
            .category-hero__stat-num {
                font-size: 18px;
            }
        }

/* roulang page: article */
:root {
            --color-primary: #1a56db;
            --color-primary-dark: #1e40af;
            --color-primary-light: #dbeafe;
            --color-accent: #f59e0b;
            --color-accent-dark: #d97706;
            --color-accent-light: #fef3c7;
            --color-bg: #f1f5f9;
            --color-surface: #ffffff;
            --color-surface-alt: #f8fafc;
            --color-text: #1e293b;
            --color-text-strong: #0f172a;
            --color-text-weak: #64748b;
            --color-text-muted: #94a3b8;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --color-red: #ef4444;
            --color-red-light: #fef2f2;
            --color-green: #10b981;
            --color-green-light: #ecfdf5;
            --radius-xs: 4px;
            --radius-sm: 6px;
            --radius: 10px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 9999px;
            --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
            --shadow: 0 4px 16px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.04);
            --shadow-md: 0 8px 30px rgba(0,0,0,0.10), 0 4px 8px rgba(0,0,0,0.05);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.12), 0 6px 12px rgba(0,0,0,0.06);
            --shadow-btn: 0 2px 8px rgba(26,86,219,0.25);
            --shadow-btn-hover: 0 6px 20px rgba(26,86,219,0.35);
            --transition-fast: 0.15s ease;
            --transition: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --max-width: 1200px;
            --max-width-article: 780px;
            --header-height: 68px;
            --topbar-height: 36px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.65;
            color: var(--color-text);
            background: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
            font-size: inherit;
        }

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

        ul, ol {
            list-style: none;
        }

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

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

        /* ========== TOP BAR ========== */
        .top-bar {
            background: var(--color-primary-dark);
            color: #ffffff;
            font-size: 13px;
            height: var(--topbar-height);
            line-height: var(--topbar-height);
            overflow: hidden;
        }

        .top-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .top-bar__left {
            display: flex;
            align-items: center;
            gap: 6px;
            font-weight: 500;
        }

        .top-bar__left i {
            font-size: 11px;
            color: var(--color-accent);
        }

        .top-bar__right {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .top-bar__right a {
            color: #cbd5e1;
            font-size: 12px;
            transition: color var(--transition-fast);
        }

        .top-bar__right a:hover {
            color: #ffffff;
        }

        .top-bar__badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: var(--color-accent);
            color: #1e293b;
            padding: 2px 10px;
            border-radius: var(--radius-full);
            font-size: 11px;
            font-weight: 600;
            line-height: 1.6;
            height: auto;
            vertical-align: middle;
        }

        /* ========== HEADER / NAV ========== */
        .header-nav {
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-xs);
            height: var(--header-height);
        }

        .header-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text-strong);
            letter-spacing: 0.5px;
            white-space: nowrap;
            transition: opacity var(--transition-fast);
        }

        .nav-logo:hover {
            opacity: 0.85;
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            color: #ffffff;
            border-radius: var(--radius);
            font-size: 18px;
            font-weight: 800;
            letter-spacing: 0;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-links li {
            list-style: none;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-weak);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-links a:hover {
            color: var(--color-primary);
            background: var(--color-primary-light);
        }

        .nav-links a.active {
            color: var(--color-primary);
            background: var(--color-primary-light);
            font-weight: 600;
        }

        .nav-links .nav-cta {
            background: var(--color-primary);
            color: #ffffff !important;
            padding: 9px 20px;
            border-radius: var(--radius);
            font-weight: 600;
            gap: 7px;
            margin-left: 8px;
            box-shadow: var(--shadow-btn);
            transition: all var(--transition);
        }

        .nav-links .nav-cta:hover {
            background: var(--color-primary-dark);
            box-shadow: var(--shadow-btn-hover);
            transform: translateY(-1px);
        }

        .nav-links .nav-cta i {
            font-size: 13px;
        }

        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            color: var(--color-text);
            font-size: 22px;
            transition: background var(--transition-fast);
        }

        .nav-toggle:hover {
            background: var(--color-bg);
        }

        /* ========== ARTICLE BANNER ========== */
        .article-banner {
            background: linear-gradient(170deg, #0f172a 0%, #1e3a5f 40%, #1a4b8c 100%);
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
            padding: 48px 0 44px;
            color: #ffffff;
        }

        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15,23,42,0.82) 0%, rgba(26,75,140,0.78) 100%);
            z-index: 0;
        }

        .article-banner .container {
            position: relative;
            z-index: 1;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 13px;
            color: rgba(255,255,255,0.7);
            margin-bottom: 20px;
        }

        .breadcrumb a {
            color: rgba(255,255,255,0.85);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: #ffffff;
        }

        .breadcrumb .separator {
            color: rgba(255,255,255,0.4);
            font-size: 10px;
        }

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

        .article-banner__title {
            font-size: 2rem;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
            max-width: 800px;
        }

        .article-banner__meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 18px;
            font-size: 14px;
            color: rgba(255,255,255,0.75);
        }

        .article-banner__meta .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .article-banner__meta .meta-item i {
            font-size: 13px;
            color: var(--color-accent);
        }

        .article-banner__category-tag {
            display: inline-flex;
            align-items: center;
            background: var(--color-accent);
            color: #1e293b;
            padding: 4px 14px;
            border-radius: var(--radius-full);
            font-size: 13px;
            font-weight: 600;
            white-space: nowrap;
        }

        /* ========== ARTICLE COVER ========== */
        .article-cover-section {
            background: var(--color-surface);
            padding: 0;
            border-bottom: 1px solid var(--color-border);
        }

        .article-cover-section .container--narrow {
            padding-top: 32px;
            padding-bottom: 0;
        }

        .article-cover-img {
            width: 100%;
            border-radius: var(--radius-lg);
            object-fit: cover;
            max-height: 460px;
            box-shadow: var(--shadow-md);
        }

        /* ========== ARTICLE CONTENT ========== */
        .article-content-section {
            background: var(--color-surface);
            padding: 40px 0 56px;
            flex: 1;
        }

        .article-content {
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-text);
        }

        .article-content h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-text-strong);
            margin: 36px 0 16px;
            padding-left: 16px;
            border-left: 4px solid var(--color-primary);
            line-height: 1.4;
        }

        .article-content h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--color-text-strong);
            margin: 28px 0 12px;
            line-height: 1.4;
        }

        .article-content p {
            margin-bottom: 18px;
            text-align: justify;
        }

        .article-content img {
            border-radius: var(--radius);
            margin: 24px auto;
            box-shadow: var(--shadow-sm);
            max-width: 100%;
        }

        .article-content ul,
        .article-content ol {
            margin-bottom: 18px;
            padding-left: 24px;
        }

        .article-content ul {
            list-style: disc;
        }

        .article-content ol {
            list-style: decimal;
        }

        .article-content li {
            margin-bottom: 8px;
        }

        .article-content blockquote {
            border-left: 4px solid var(--color-accent);
            background: var(--color-accent-light);
            padding: 16px 20px;
            margin: 24px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: #92400e;
            font-style: italic;
        }

        .article-content a {
            color: var(--color-primary);
            font-weight: 500;
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-content a:hover {
            color: var(--color-primary-dark);
        }

        .article-content strong {
            font-weight: 600;
            color: var(--color-text-strong);
        }

        .article-content code {
            background: var(--color-surface-alt);
            padding: 2px 7px;
            border-radius: var(--radius-xs);
            font-size: 0.9em;
            color: var(--color-primary-dark);
            border: 1px solid var(--color-border-light);
        }

        .article-content pre {
            background: #1e293b;
            color: #e2e8f0;
            padding: 20px;
            border-radius: var(--radius);
            overflow-x: auto;
            margin: 20px 0;
            font-size: 14px;
            line-height: 1.6;
        }

        .article-content pre code {
            background: none;
            padding: 0;
            border: none;
            color: inherit;
        }

        /* ========== ARTICLE FOOTER ========== */
        .article-footer-bar {
            border-top: 1px solid var(--color-border);
            padding-top: 24px;
            margin-top: 8px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 14px;
            color: var(--color-text-weak);
        }

        .article-footer-bar .share-hint {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .article-footer-bar .share-icons {
            display: flex;
            gap: 8px;
        }

        .article-footer-bar .share-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-full);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--color-bg);
            color: var(--color-text-weak);
            font-size: 15px;
            transition: all var(--transition-fast);
        }

        .article-footer-bar .share-icon:hover {
            background: var(--color-primary);
            color: #ffffff;
        }

        /* ========== RELATED POSTS ========== */
        .related-section {
            background: var(--color-bg);
            padding: 56px 0 60px;
        }

        .section-header {
            margin-bottom: 32px;
        }

        .section-header__label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            text-transform: uppercase;
            letter-spacing: 0.8px;
            margin-bottom: 8px;
        }

        .section-header__label i {
            font-size: 11px;
        }

        .section-header__title {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-text-strong);
            letter-spacing: 0.3px;
        }

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

        .related-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .related-card__img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--color-bg);
        }

        .related-card__img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .related-card:hover .related-card__img-wrap img {
            transform: scale(1.06);
        }

        .related-card__body {
            padding: 16px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }

        .related-card__category {
            font-size: 11px;
            font-weight: 600;
            color: var(--color-primary);
            background: var(--color-primary-light);
            padding: 3px 10px;
            border-radius: var(--radius-full);
            display: inline-block;
            width: fit-content;
        }

        .related-card__title {
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--color-text-strong);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition-fast);
        }

        .related-card:hover .related-card__title {
            color: var(--color-primary);
        }

        .related-card__date {
            font-size: 12px;
            color: var(--color-text-muted);
            margin-top: auto;
        }

        /* ========== EMPTY STATE ========== */
        .empty-state {
            text-align: center;
            padding: 80px 24px;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
        }

        .empty-state__icon {
            font-size: 56px;
            color: var(--color-text-muted);
            margin-bottom: 20px;
        }

        .empty-state__title {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--color-text-strong);
            margin-bottom: 8px;
        }

        .empty-state__desc {
            font-size: 15px;
            color: var(--color-text-weak);
            margin-bottom: 24px;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary-dark) 0%, #1e3a5f 100%);
            padding: 60px 0;
            text-align: center;
            color: #ffffff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            background: rgba(255,255,255,0.03);
            border-radius: 50%;
            top: -80px;
            right: -60px;
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            width: 200px;
            height: 200px;
            background: rgba(255,255,255,0.03);
            border-radius: 50%;
            bottom: -50px;
            left: -40px;
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
        }

        .cta-section__title {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }

        .cta-section__desc {
            font-size: 15px;
            color: rgba(255,255,255,0.8);
            margin-bottom: 28px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }

        .cta-section__btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: var(--color-accent);
            color: #1e293b;
            font-weight: 700;
            font-size: 16px;
            border-radius: var(--radius);
            transition: all var(--transition);
            box-shadow: 0 4px 20px rgba(245,158,11,0.35);
        }

        .cta-section__btn:hover {
            background: #fbbf24;
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(245,158,11,0.45);
        }

        .cta-section__btn i {
            font-size: 14px;
        }

        /* ========== FOOTER ========== */
        .footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 56px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }

        .footer__brand {
            font-size: 20px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .footer__brand-desc {
            font-size: 13px;
            line-height: 1.7;
            color: #94a3b8;
            max-width: 260px;
        }

        .footer__col-title {
            font-size: 15px;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }

        .footer__links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer__links a {
            font-size: 13px;
            color: #94a3b8;
            transition: color var(--transition-fast);
        }

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

        .footer__bottom {
            padding: 20px 0;
            text-align: center;
            font-size: 12px;
            color: #64748b;
        }

        /* ========== BUTTONS ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 7px;
            padding: 11px 24px;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 15px;
            transition: all var(--transition);
            white-space: nowrap;
            cursor: pointer;
        }

        .btn--primary {
            background: var(--color-primary);
            color: #ffffff;
            box-shadow: var(--shadow-btn);
        }

        .btn--primary:hover {
            background: var(--color-primary-dark);
            box-shadow: var(--shadow-btn-hover);
            transform: translateY(-1px);
        }

        .btn--outline {
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
        }

        .btn--outline:hover {
            background: var(--color-primary);
            color: #ffffff;
        }

        .btn--sm {
            padding: 7px 16px;
            font-size: 13px;
            border-radius: var(--radius-sm);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .article-banner__title {
                font-size: 1.65rem;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 60px;
            }
            .top-bar {
                display: none;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: var(--color-surface);
                flex-direction: column;
                padding: 12px 16px;
                gap: 4px;
                border-bottom: 2px solid var(--color-border);
                box-shadow: var(--shadow-md);
                z-index: 999;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links a {
                padding: 11px 16px;
                width: 100%;
                border-radius: var(--radius-sm);
                font-size: 15px;
            }
            .nav-links .nav-cta {
                margin-left: 0;
                justify-content: center;
                margin-top: 4px;
            }
            .nav-toggle {
                display: flex;
            }
            .article-banner {
                padding: 32px 0 28px;
            }
            .article-banner__title {
                font-size: 1.35rem;
            }
            .article-banner__meta {
                gap: 10px;
                font-size: 12px;
            }
            .article-cover-section .container--narrow {
                padding-top: 20px;
            }
            .article-cover-img {
                border-radius: var(--radius);
                max-height: 280px;
            }
            .article-content-section {
                padding: 28px 0 40px;
            }
            .article-content {
                font-size: 15px;
                line-height: 1.75;
            }
            .article-content h2 {
                font-size: 1.25rem;
                margin: 28px 0 12px;
                padding-left: 12px;
                border-left-width: 3px;
            }
            .article-content h3 {
                font-size: 1.1rem;
            }
            .related-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .related-section {
                padding: 40px 0 44px;
            }
            .section-header__title {
                font-size: 1.3rem;
            }
            .cta-section {
                padding: 44px 0;
            }
            .cta-section__title {
                font-size: 1.4rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer {
                padding: 40px 0 0;
            }
            .footer__brand-desc {
                max-width: 100%;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .nav-logo {
                font-size: 17px;
                gap: 7px;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
            }
            .article-banner {
                padding: 24px 0 22px;
            }
            .article-banner__title {
                font-size: 1.2rem;
            }
            .article-banner__meta {
                gap: 8px;
                font-size: 11px;
                flex-direction: column;
                align-items: flex-start;
            }
            .article-cover-section .container--narrow {
                padding-top: 14px;
            }
            .article-cover-img {
                border-radius: var(--radius-sm);
                max-height: 220px;
            }
            .article-content-section {
                padding: 20px 0 32px;
            }
            .article-content {
                font-size: 14px;
                line-height: 1.7;
            }
            .article-content h2 {
                font-size: 1.15rem;
            }
            .article-content h3 {
                font-size: 1rem;
            }
            .article-content blockquote {
                padding: 12px 14px;
                margin: 18px 0;
            }
            .article-footer-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .related-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .related-section {
                padding: 32px 0 36px;
            }
            .section-header {
                margin-bottom: 20px;
            }
            .section-header__title {
                font-size: 1.2rem;
            }
            .cta-section {
                padding: 36px 0;
            }
            .cta-section__title {
                font-size: 1.2rem;
            }
            .cta-section__desc {
                font-size: 14px;
            }
            .cta-section__btn {
                padding: 12px 24px;
                font-size: 14px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer {
                padding: 32px 0 0;
            }
            .footer__brand-desc {
                max-width: 100%;
            }
            .empty-state {
                padding: 50px 16px;
            }
            .empty-state__icon {
                font-size: 42px;
            }
            .empty-state__title {
                font-size: 1.2rem;
            }
            .breadcrumb {
                font-size: 11px;
                gap: 4px;
                margin-bottom: 14px;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #FF4D4D;
            --color-primary-dark: #E63939;
            --color-primary-light: #FF6B6B;
            --color-accent: #FFB800;
            --color-accent-dark: #E6A600;
            --color-dark: #1B1B2F;
            --color-dark-secondary: #252540;
            --color-text: #1E1E2A;
            --color-text-secondary: #5A5A6E;
            --color-text-muted: #8E8EA0;
            --color-bg: #F2F3F7;
            --color-bg-alt: #F8F9FB;
            --color-white: #FFFFFF;
            --color-card: #FFFFFF;
            --color-border: #E4E6EC;
            --color-border-light: #EEF0F5;
            --color-success: #0EA47A;
            --color-tag-bg: #FFF0EE;
            --color-tag-text: #FF4D4D;
            --color-rank-gold: #FFB800;
            --color-rank-silver: #A0AAB4;
            --color-rank-bronze: #C8946B;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.04);
            --shadow-lg: 0 8px 30px rgba(0,0,0,0.10), 0 3px 10px rgba(0,0,0,0.05);
            --shadow-xl: 0 14px 44px rgba(0,0,0,0.12), 0 5px 16px rgba(0,0,0,0.06);
            --shadow-card-hover: 0 12px 36px rgba(0,0,0,0.13), 0 4px 12px rgba(0,0,0,0.06);
            --transition-fast: 0.18s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-xs: 0.75rem;
            --font-sm: 0.85rem;
            --font-base: 1rem;
            --font-md: 1.1rem;
            --font-lg: 1.25rem;
            --font-xl: 1.5rem;
            --font-2xl: 1.85rem;
            --font-3xl: 2.3rem;
            --font-4xl: 2.8rem;
            --container-max: 1200px;
            --container-narrow: 960px;
            --header-height: 68px;
            --topbar-height: 38px;
        }

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

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            font-size: var(--font-base);
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            background: none;
        }

        input, select, textarea {
            font-family: inherit;
            outline: none;
        }

        ul, ol {
            list-style: none;
        }

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

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

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ========== TOP BAR ========== */
        .top-bar {
            background: var(--color-dark);
            height: var(--topbar-height);
            display: flex;
            align-items: center;
            font-size: var(--font-xs);
            color: rgba(255,255,255,0.75);
            position: relative;
            z-index: 1001;
        }
        .top-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .top-bar__left {
            display: flex;
            align-items: center;
            gap: 18px;
        }
        .top-bar__left span {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .top-bar__left i {
            font-size: 11px;
            color: var(--color-accent);
        }
        .top-bar__right {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .top-bar__right a {
            color: rgba(255,255,255,0.7);
            transition: color var(--transition-fast);
            font-size: var(--font-xs);
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .top-bar__right a:hover {
            color: var(--color-accent);
        }
        .top-bar__badge {
            background: var(--color-primary);
            color: #fff;
            padding: 3px 10px;
            border-radius: var(--radius-full);
            font-size: 10px;
            font-weight: 600;
            letter-spacing: 0.5px;
        }
        @media (max-width: 640px) {
            .top-bar__left .hide-mobile {
                display: none;
            }
            .top-bar__right {
                gap: 8px;
            }
            .top-bar {
                height: 32px;
            }
            :root {
                --topbar-height: 32px;
            }
        }

        /* ========== HEADER / NAV ========== */
        .header-nav {
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border-light);
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--header-height);
            display: flex;
            align-items: center;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-base);
        }
        .header-nav.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: var(--font-xl);
            font-weight: 700;
            color: var(--color-dark);
            letter-spacing: -0.3px;
            white-space: nowrap;
            transition: opacity var(--transition-fast);
        }
        .nav-logo:hover {
            opacity: 0.85;
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            color: #fff;
            border-radius: var(--radius-md);
            font-size: var(--font-lg);
            font-weight: 800;
            letter-spacing: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-links li a {
            display: block;
            padding: 10px 18px;
            font-size: var(--font-sm);
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: var(--radius-full);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-links li a:hover {
            color: var(--color-primary);
            background: rgba(255,77,77,0.05);
        }
        .nav-links li a.active {
            color: var(--color-primary);
            font-weight: 600;
            background: rgba(255,77,77,0.07);
        }
        .nav-cta {
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark)) !important;
            color: #fff !important;
            font-weight: 600 !important;
            padding: 10px 22px !important;
            border-radius: var(--radius-full) !important;
            box-shadow: 0 4px 14px rgba(255,77,77,0.3);
            transition: all var(--transition-base) !important;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-cta:hover {
            box-shadow: 0 6px 22px rgba(255,77,77,0.4) !important;
            transform: translateY(-1px);
            background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary)) !important;
            color: #fff !important;
        }
        .nav-toggle {
            display: none;
            font-size: 1.4rem;
            color: var(--color-text);
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .nav-toggle:hover {
            background: var(--color-bg);
        }
        @media (max-width: 1024px) {
            .nav-links {
                gap: 2px;
            }
            .nav-links li a {
                padding: 8px 12px;
                font-size: 0.8rem;
            }
            .nav-cta {
                padding: 8px 14px !important;
                font-size: 0.8rem !important;
            }
            .nav-logo {
                font-size: var(--font-lg);
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: var(--font-base);
            }
        }
        @media (max-width: 820px) {
            .nav-links {
                position: fixed;
                top: calc(var(--topbar-height) + var(--header-height));
                left: 0;
                right: 0;
                background: var(--color-white);
                flex-direction: column;
                padding: 16px 20px;
                gap: 4px;
                box-shadow: var(--shadow-lg);
                border-bottom: 3px solid var(--color-primary);
                transform: translateY(-110%);
                opacity: 0;
                pointer-events: none;
                transition: all var(--transition-base);
                z-index: 999;
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-links li {
                width: 100%;
            }
            .nav-links li a {
                display: block;
                padding: 14px 16px;
                text-align: center;
                border-radius: var(--radius-md);
                font-size: var(--font-base);
            }
            .nav-cta {
                justify-content: center;
                margin-top: 6px;
            }
            .nav-toggle {
                display: block;
            }
        }
        @media (max-width: 520px) {
            .header-nav {
                height: 56px;
            }
            :root {
                --header-height: 56px;
            }
            .nav-logo {
                font-size: var(--font-md);
            }
            .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.9rem;
                border-radius: var(--radius-sm);
            }
        }

        /* ========== CATEGORY BANNER ========== */
        .cat-banner {
            position: relative;
            background: linear-gradient(160deg, #1B1B2F 0%, #252540 40%, #1F1F35 100%);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 64px 0;
            color: #fff;
            overflow: hidden;
        }
        .cat-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(27,27,47,0.88) 0%, rgba(27,27,47,0.78) 60%, rgba(27,27,47,0.9) 100%);
            z-index: 1;
        }
        .cat-banner .container {
            position: relative;
            z-index: 2;
        }
        .cat-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: var(--font-sm);
            color: rgba(255,255,255,0.65);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .cat-breadcrumb a {
            color: rgba(255,255,255,0.75);
            transition: color var(--transition-fast);
        }
        .cat-breadcrumb a:hover {
            color: var(--color-accent);
        }
        .cat-breadcrumb .sep {
            font-size: 10px;
            color: rgba(255,255,255,0.4);
        }
        .cat-breadcrumb .current {
            color: #fff;
            font-weight: 500;
        }
        .cat-banner__content {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 30px;
            flex-wrap: wrap;
        }
        .cat-banner__info h1 {
            font-size: var(--font-4xl);
            font-weight: 800;
            letter-spacing: -1px;
            margin-bottom: 10px;
            line-height: 1.2;
        }
        .cat-banner__info h1 .icon-game {
            display: inline-block;
            margin-right: 8px;
            animation: bounce-icon 1.5s ease-in-out infinite;
        }
        @keyframes bounce-icon {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }
        .cat-banner__info p {
            font-size: var(--font-md);
            color: rgba(255,255,255,0.7);
            max-width: 550px;
            line-height: 1.7;
        }
        .cat-banner__stats {
            display: flex;
            gap: 32px;
            flex-shrink: 0;
        }
        .cat-stat-item {
            text-align: center;
            background: rgba(255,255,255,0.08);
            border-radius: var(--radius-lg);
            padding: 18px 24px;
            border: 1px solid rgba(255,255,255,0.1);
            backdrop-filter: blur(6px);
            min-width: 90px;
        }
        .cat-stat-item .stat-num {
            font-size: var(--font-3xl);
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1;
            margin-bottom: 4px;
        }
        .cat-stat-item .stat-label {
            font-size: var(--font-xs);
            color: rgba(255,255,255,0.6);
            letter-spacing: 0.5px;
        }
        @media (max-width: 768px) {
            .cat-banner {
                padding: 40px 0;
            }
            .cat-banner__info h1 {
                font-size: var(--font-2xl);
            }
            .cat-banner__info p {
                font-size: var(--font-sm);
            }
            .cat-banner__stats {
                gap: 12px;
                width: 100%;
            }
            .cat-stat-item {
                flex: 1;
                padding: 12px 14px;
                min-width: auto;
            }
            .cat-stat-item .stat-num {
                font-size: var(--font-xl);
            }
        }
        @media (max-width: 520px) {
            .cat-banner {
                padding: 30px 0;
            }
            .cat-banner__info h1 {
                font-size: var(--font-xl);
            }
            .cat-banner__content {
                gap: 16px;
            }
            .cat-banner__stats {
                gap: 8px;
            }
            .cat-stat-item {
                padding: 10px 10px;
            }
            .cat-stat-item .stat-num {
                font-size: var(--font-lg);
            }
        }

        /* ========== SECTION TITLES ========== */
        .section-header {
            margin-bottom: 32px;
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .section-header__left h3 {
            font-size: var(--font-2xl);
            font-weight: 700;
            color: var(--color-dark);
            letter-spacing: -0.5px;
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .section-header__left h3 .dot {
            width: 10px;
            height: 10px;
            background: var(--color-primary);
            border-radius: 50%;
            display: inline-block;
        }
        .section-header__left p {
            font-size: var(--font-sm);
            color: var(--color-text-muted);
        }
        .section-header__more {
            font-size: var(--font-sm);
            color: var(--color-primary);
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
        }
        .section-header__more:hover {
            gap: 8px;
            color: var(--color-primary-dark);
        }

        /* ========== MAIN LAYOUT ========== */
        .cat-main {
            padding: 48px 0;
        }
        .cat-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 32px;
            align-items: start;
        }
        @media (max-width: 960px) {
            .cat-layout {
                grid-template-columns: 1fr;
            }
        }

        /* ========== TAG FILTER ========== */
        .tag-filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 28px;
            padding: 16px 0;
            border-bottom: 1px solid var(--color-border-light);
        }
        .tag-filter-btn {
            padding: 9px 20px;
            font-size: var(--font-sm);
            font-weight: 500;
            border-radius: var(--radius-full);
            color: var(--color-text-secondary);
            background: var(--color-white);
            border: 1.5px solid var(--color-border);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            user-select: none;
        }
        .tag-filter-btn:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: rgba(255,77,77,0.03);
        }
        .tag-filter-btn.active {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(255,77,77,0.28);
        }
        @media (max-width: 520px) {
            .tag-filter-bar {
                gap: 6px;
                overflow-x: auto;
                flex-wrap: nowrap;
                padding-bottom: 12px;
                -webkit-overflow-scrolling: touch;
                scrollbar-width: none;
            }
            .tag-filter-bar::-webkit-scrollbar {
                display: none;
            }
            .tag-filter-btn {
                padding: 7px 14px;
                font-size: 0.78rem;
                flex-shrink: 0;
            }
        }

        /* ========== GAME CARD GRID ========== */
        .game-card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        @media (max-width: 900px) {
            .game-card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }
        @media (max-width: 520px) {
            .game-card-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
        }
        .game-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            cursor: pointer;
            position: relative;
        }
        .game-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .game-card__img-wrap {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: #e8eaef;
        }
        .game-card__img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .game-card:hover .game-card__img-wrap img {
            transform: scale(1.06);
        }
        .game-card__badge {
            position: absolute;
            top: 10px;
            left: 10px;
            background: var(--color-accent);
            color: #1B1B2F;
            font-size: 11px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: var(--radius-full);
            letter-spacing: 0.5px;
            z-index: 2;
        }
        .game-card__badge--hot {
            background: var(--color-primary);
            color: #fff;
        }
        .game-card__badge--new {
            background: var(--color-success);
            color: #fff;
        }
        .game-card__body {
            padding: 16px 18px 18px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .game-card__title {
            font-size: var(--font-md);
            font-weight: 700;
            color: var(--color-dark);
            margin-bottom: 6px;
            line-height: 1.3;
        }
        .game-card__desc {
            font-size: var(--font-xs);
            color: var(--color-text-muted);
            line-height: 1.5;
            margin-bottom: 12px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .game-card__meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: var(--font-xs);
            color: var(--color-text-muted);
        }
        .game-card__rating {
            display: flex;
            align-items: center;
            gap: 4px;
            color: var(--color-accent);
            font-weight: 600;
        }
        .game-card__rating i {
            font-size: 11px;
        }
        .game-card__players {
            color: var(--color-text-muted);
        }
        .game-card__btn {
            margin-top: 12px;
            display: block;
            width: 100%;
            text-align: center;
            padding: 10px 0;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            color: #fff;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: var(--font-sm);
            transition: all var(--transition-base);
            box-shadow: 0 4px 12px rgba(255,77,77,0.22);
        }
        .game-card__btn:hover {
            box-shadow: 0 6px 20px rgba(255,77,77,0.35);
            transform: translateY(-1px);
            color: #fff;
        }
        @media (max-width: 520px) {
            .game-card__body {
                padding: 10px 12px 14px;
            }
            .game-card__title {
                font-size: var(--font-sm);
            }
            .game-card__desc {
                font-size: 0.7rem;
                -webkit-line-clamp: 2;
            }
            .game-card__btn {
                padding: 8px 0;
                font-size: 0.75rem;
            }
        }

        /* ========== SIDEBAR ========== */
        .cat-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .sidebar-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: 22px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
        }
        .sidebar-card__title {
            font-size: var(--font-lg);
            font-weight: 700;
            color: var(--color-dark);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card__title i {
            color: var(--color-accent);
            font-size: 1rem;
        }
        .rank-list-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--color-border-light);
            transition: background var(--transition-fast);
            border-radius: var(--radius-sm);
            padding: 10px 8px;
            margin: 0 -8px;
        }
        .rank-list-item:last-child {
            border-bottom: none;
        }
        .rank-list-item:hover {
            background: var(--color-bg-alt);
        }
        .rank-num {
            width: 26px;
            height: 26px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: var(--font-sm);
            flex-shrink: 0;
            color: #fff;
            background: #B0B8C0;
        }
        .rank-num.top-1 {
            background: linear-gradient(135deg, #FFB800, #FF9500);
        }
        .rank-num.top-2 {
            background: linear-gradient(135deg, #A0AAB4, #889099);
        }
        .rank-num.top-3 {
            background: linear-gradient(135deg, #C8946B, #A87850);
        }
        .rank-info {
            flex: 1;
            min-width: 0;
        }
        .rank-info .rank-name {
            font-weight: 600;
            font-size: var(--font-sm);
            color: var(--color-dark);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .rank-info .rank-type {
            font-size: var(--font-xs);
            color: var(--color-text-muted);
        }
        .rank-hot {
            font-size: var(--font-xs);
            color: var(--color-primary);
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 3px;
            flex-shrink: 0;
        }
        @media (max-width: 960px) {
            .cat-sidebar {
                flex-direction: row;
                flex-wrap: wrap;
                gap: 16px;
            }
            .sidebar-card {
                flex: 1;
                min-width: 250px;
            }
        }
        @media (max-width: 600px) {
            .cat-sidebar {
                flex-direction: column;
            }
            .sidebar-card {
                min-width: auto;
            }
        }

        /* ========== HOT SCROLL ROW ========== */
        .hot-scroll-section {
            padding: 40px 0;
            background: var(--color-white);
            border-top: 1px solid var(--color-border-light);
            border-bottom: 1px solid var(--color-border-light);
        }
        .hot-scroll-row {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            padding: 8px 0 16px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: #d0d0d8 transparent;
        }
        .hot-scroll-row::-webkit-scrollbar {
            height: 5px;
        }
        .hot-scroll-row::-webkit-scrollbar-track {
            background: transparent;
        }
        .hot-scroll-row::-webkit-scrollbar-thumb {
            background: #d0d0d8;
            border-radius: 10px;
        }
        .hot-scroll-card {
            flex: 0 0 280px;
            scroll-snap-align: start;
            background: var(--color-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            cursor: pointer;
        }
        .hot-scroll-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .hot-scroll-card__img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #e8eaef;
        }
        .hot-scroll-card__img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .hot-scroll-card:hover .hot-scroll-card__img img {
            transform: scale(1.05);
        }
        .hot-scroll-card__body {
            padding: 14px 16px 16px;
        }
        .hot-scroll-card__body h4 {
            font-size: var(--font-base);
            font-weight: 700;
            color: var(--color-dark);
            margin-bottom: 4px;
        }
        .hot-scroll-card__body p {
            font-size: var(--font-xs);
            color: var(--color-text-muted);
            line-height: 1.4;
        }
        @media (max-width: 520px) {
            .hot-scroll-card {
                flex: 0 0 220px;
            }
        }

        /* ========== UPDATE STRIP ========== */
        .update-strip {
            padding: 20px 0;
            background: linear-gradient(135deg, #FFF8F0, #FFF3EB);
            border-radius: var(--radius-lg);
            margin-bottom: 32px;
            border: 1px solid #FFE8D6;
        }
        .update-strip__inner {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 0 20px;
            flex-wrap: wrap;
        }
        .update-strip__label {
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
            font-size: var(--font-xs);
            padding: 5px 14px;
            border-radius: var(--radius-full);
            flex-shrink: 0;
            letter-spacing: 1px;
        }
        .update-strip__text {
            flex: 1;
            font-size: var(--font-sm);
            color: var(--color-text);
            min-width: 200px;
        }
        .update-strip__text strong {
            color: var(--color-primary);
        }
        .update-strip__time {
            font-size: var(--font-xs);
            color: var(--color-text-muted);
            flex-shrink: 0;
        }
        @media (max-width: 520px) {
            .update-strip__inner {
                gap: 8px;
                padding: 0 14px;
            }
            .update-strip__text {
                font-size: 0.75rem;
            }
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            padding: 56px 0;
            background: var(--color-dark);
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(27,27,47,0.9) 0%, rgba(27,27,47,0.82) 100%);
            z-index: 1;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .cta-section h3 {
            font-size: var(--font-3xl);
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        .cta-section p {
            font-size: var(--font-md);
            color: rgba(255,255,255,0.7);
            margin-bottom: 28px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-btn-group {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn-cta-primary {
            padding: 14px 36px;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
            color: #1B1B2F;
            font-weight: 700;
            font-size: var(--font-base);
            border-radius: var(--radius-full);
            box-shadow: 0 6px 24px rgba(255,184,0,0.35);
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-cta-primary:hover {
            box-shadow: 0 8px 32px rgba(255,184,0,0.5);
            transform: translateY(-2px);
            color: #1B1B2F;
        }
        .btn-cta-outline {
            padding: 14px 36px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: var(--font-base);
            border-radius: var(--radius-full);
            border: 2px solid rgba(255,255,255,0.35);
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-cta-outline:hover {
            border-color: #fff;
            background: rgba(255,255,255,0.08);
            color: #fff;
        }
        @media (max-width: 520px) {
            .cta-section {
                padding: 36px 0;
            }
            .cta-section h3 {
                font-size: var(--font-xl);
            }
            .btn-cta-primary, .btn-cta-outline {
                padding: 12px 24px;
                font-size: var(--font-sm);
            }
        }

        /* ========== FOOTER ========== */
        .footer {
            background: var(--color-dark);
            color: rgba(255,255,255,0.7);
            padding: 52px 0 24px;
            font-size: var(--font-sm);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }
        .footer__brand {
            font-size: var(--font-xl);
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.3px;
        }
        .footer__brand-desc {
            font-size: var(--font-sm);
            color: rgba(255,255,255,0.55);
            line-height: 1.7;
        }
        .footer__col-title {
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
            font-size: var(--font-base);
        }
        .footer__links {
            display: flex;
            flex-direction: column;
            gap: 9px;
        }
        .footer__links a {
            color: rgba(255,255,255,0.55);
            transition: color var(--transition-fast);
            font-size: var(--font-sm);
        }
        .footer__links a:hover {
            color: var(--color-accent);
        }
        .footer__bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            text-align: center;
            font-size: var(--font-xs);
            color: rgba(255,255,255,0.4);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-grid > div:first-child {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer {
                padding: 36px 0 20px;
            }
        }

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

/* roulang page: category3 */
:root {
            --primary: #E63946;
            --primary-hover: #C62835;
            --primary-light: #FFE8EA;
            --primary-dark: #9B1D26;
            --accent: #FF6B35;
            --accent-light: #FFF0E8;
            --secondary: #1D3557;
            --secondary-light: #2B4D75;
            --bg: #F5F5F7;
            --bg-alt: #EDEDF0;
            --surface: #FFFFFF;
            --text: #1A1A1A;
            --text-secondary: #555;
            --text-weak: #888;
            --border: #E0E0E5;
            --border-light: #F0F0F3;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.14);
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 9999px;
            --font-xs: 0.75rem;
            --font-sm: 0.85rem;
            --font-base: 1rem;
            --font-md: 1.1rem;
            --font-lg: 1.25rem;
            --font-xl: 1.5rem;
            --font-2xl: 1.875rem;
            --font-3xl: 2.25rem;
            --font-4xl: 2.75rem;
            --transition-fast: 0.15s ease;
            --transition: 0.25s ease;
            --transition-slow: 0.4s ease;
            --max-width: 1200px;
            --header-height: 72px;
            --topbar-height: 36px;
        }

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

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            font-size: var(--font-base);
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
        }

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

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Top Bar */
        .top-bar {
            background: var(--secondary);
            color: #fff;
            font-size: var(--font-xs);
            height: var(--topbar-height);
            line-height: var(--topbar-height);
            overflow: hidden;
        }
        .top-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .top-bar__left {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .top-bar__left i {
            font-size: 0.7rem;
            margin-right: 4px;
            color: var(--accent);
        }
        .top-bar__right {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .top-bar__right a {
            color: #ccc;
            transition: color var(--transition-fast);
        }
        .top-bar__right a:hover {
            color: #fff;
        }
        .top-bar__badge {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            padding: 2px 8px;
            border-radius: var(--radius-full);
            font-size: 0.7rem;
            font-weight: 600;
            line-height: 1.4;
            animation: pulse-badge 2s infinite;
        }
        @keyframes pulse-badge {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.75;
            }
        }

        /* Header / Nav */
        .header-nav {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            height: var(--header-height);
        }
        .header-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: var(--font-xl);
            font-weight: 700;
            color: var(--secondary);
            letter-spacing: 0.5px;
            white-space: nowrap;
            text-decoration: none;
            transition: opacity var(--transition-fast);
        }
        .nav-logo:hover {
            opacity: 0.85;
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            border-radius: var(--radius);
            font-size: var(--font-lg);
            font-weight: 700;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-links>li>a {
            display: block;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-size: var(--font-sm);
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-links>li>a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .nav-links>li>a.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }
        .nav-cta {
            display: inline-flex !important;
            align-items: center;
            gap: 6px;
            background: var(--primary) !important;
            color: #fff !important;
            padding: 9px 18px !important;
            border-radius: var(--radius-full) !important;
            font-weight: 600 !important;
            font-size: var(--font-sm) !important;
            transition: all var(--transition) !important;
            box-shadow: 0 2px 8px rgba(230, 57, 70, 0.3);
        }
        .nav-cta:hover {
            background: var(--primary-hover) !important;
            box-shadow: 0 4px 14px rgba(230, 57, 70, 0.4);
            transform: translateY(-1px);
        }
        .nav-toggle {
            display: none;
            font-size: 1.4rem;
            color: var(--text);
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .nav-toggle:hover {
            background: var(--bg-alt);
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background: var(--surface);
            border-bottom: 1px solid var(--border-light);
            padding: 10px 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: var(--font-xs);
            color: var(--text-weak);
        }
        .breadcrumb a {
            color: var(--text-weak);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .sep {
            font-size: 0.6rem;
            color: #ccc;
        }
        .breadcrumb .current {
            color: var(--text);
            font-weight: 500;
        }

        /* Category Banner */
        .cat-banner {
            position: relative;
            background: linear-gradient(135deg, var(--secondary) 0%, #0F1E35 100%);
            min-height: 280px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .cat-banner__bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.35;
            mix-blend-mode: overlay;
        }
        .cat-banner__overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(29, 53, 87, 0.55) 0%, rgba(29, 53, 87, 0.85) 100%);
        }
        .cat-banner .container {
            position: relative;
            z-index: 2;
            padding-top: 40px;
            padding-bottom: 40px;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 12px;
        }
        .cat-banner__tag {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            padding: 5px 14px;
            border-radius: var(--radius-full);
            font-size: var(--font-xs);
            font-weight: 600;
            letter-spacing: 0.5px;
        }
        .cat-banner h1 {
            font-size: var(--font-4xl);
            font-weight: 800;
            color: #fff;
            letter-spacing: 1px;
            line-height: 1.2;
        }
        .cat-banner__desc {
            font-size: var(--font-md);
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            line-height: 1.6;
        }
        .cat-banner__stats {
            display: flex;
            gap: 28px;
            margin-top: 8px;
        }
        .cat-banner__stat {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.9);
            font-size: var(--font-sm);
        }
        .cat-banner__stat i {
            font-size: 1.1rem;
            color: var(--accent);
        }
        .cat-banner__stat strong {
            font-size: var(--font-xl);
            font-weight: 700;
            color: #fff;
        }

        /* Main */
        main {
            flex: 1;
            padding-bottom: 60px;
        }

        /* Tag Filter Bar */
        .tag-filter-section {
            background: var(--surface);
            border-bottom: 1px solid var(--border-light);
            padding: 14px 0;
            position: sticky;
            top: var(--header-height);
            z-index: 99;
        }
        .tag-filter {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .tag-filter__label {
            font-size: var(--font-sm);
            font-weight: 600;
            color: var(--text);
            white-space: nowrap;
            margin-right: 4px;
        }
        .tag-filter__item {
            display: inline-block;
            padding: 6px 15px;
            border-radius: var(--radius-full);
            font-size: var(--font-xs);
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg);
            border: 1px solid transparent;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .tag-filter__item:hover {
            color: var(--primary);
            background: var(--primary-light);
            border-color: transparent;
        }
        .tag-filter__item.active {
            color: #fff;
            background: var(--primary);
            border-color: var(--primary);
            font-weight: 600;
            box-shadow: 0 2px 6px rgba(230, 57, 70, 0.3);
        }

        /* Section */
        .section {
            padding: 48px 0;
        }
        .section--alt {
            background: var(--surface);
        }
        .section__header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 28px;
            flex-wrap: wrap;
            gap: 12px;
        }
        .section__title {
            font-size: var(--font-2xl);
            font-weight: 700;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .section__title i {
            color: var(--primary);
            font-size: 1.4rem;
        }
        .section__more {
            font-size: var(--font-sm);
            color: var(--primary);
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition-fast);
        }
        .section__more:hover {
            color: var(--primary-hover);
            gap: 8px;
        }

        /* Hot List + Feed Layout */
        .hot-feed-grid {
            display: grid;
            grid-template-columns: 1fr 1.6fr;
            gap: 28px;
            align-items: start;
        }
        .hot-list-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
        }
        .hot-list-card__title {
            font-size: var(--font-lg);
            font-weight: 700;
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text);
        }
        .hot-list-card__title i {
            color: var(--accent);
        }
        .hot-list-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition-fast);
        }
        .hot-list-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }
        .hot-list-item:hover {
            padding-left: 4px;
        }
        .hot-list-item__rank {
            width: 28px;
            height: 28px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: var(--font-sm);
            flex-shrink: 0;
            color: #fff;
        }
        .hot-list-item__rank.r1 {
            background: var(--primary);
        }
        .hot-list-item__rank.r2 {
            background: var(--accent);
        }
        .hot-list-item__rank.r3 {
            background: #F4A236;
        }
        .hot-list-item__rank.rn {
            background: #B0B8C1;
        }
        .hot-list-item__info h4 {
            font-size: var(--font-sm);
            font-weight: 600;
            color: var(--text);
            line-height: 1.4;
            margin-bottom: 2px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .hot-list-item__info span {
            font-size: var(--font-xs);
            color: var(--text-weak);
        }

        /* Feed List */
        .feed-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .feed-card {
            display: flex;
            gap: 16px;
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 18px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            cursor: pointer;
        }
        .feed-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: transparent;
        }
        .feed-card__img {
            width: 140px;
            height: 100px;
            border-radius: var(--radius);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--bg-alt);
        }
        .feed-card__body {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .feed-card__badge {
            display: inline-block;
            padding: 3px 10px;
            border-radius: var(--radius-full);
            font-size: 0.7rem;
            font-weight: 600;
            margin-bottom: 6px;
            align-self: flex-start;
        }
        .feed-card__badge.announce {
            background: #FFF0E8;
            color: var(--accent);
        }
        .feed-card__badge.event {
            background: #E8F4FD;
            color: #1976D2;
        }
        .feed-card__badge.update {
            background: #E8F5E9;
            color: #2E7D32;
        }
        .feed-card__badge.news {
            background: #F3E5F5;
            color: #7B1FA2;
        }
        .feed-card h3 {
            font-size: var(--font-base);
            font-weight: 600;
            color: var(--text);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .feed-card__meta {
            font-size: var(--font-xs);
            color: var(--text-weak);
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 4px;
        }
        .feed-card__meta i {
            font-size: 0.65rem;
        }

        /* Cover Grid */
        .cover-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .cover-grid-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 3 / 4;
            cursor: pointer;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            group: true;
        }
        .cover-grid-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .cover-grid-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .cover-grid-card:hover img {
            transform: scale(1.06);
        }
        .cover-grid-card__overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 20px;
            background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
            color: #fff;
        }
        .cover-grid-card__tag {
            display: inline-block;
            background: rgba(255, 255, 255, 0.25);
            backdrop-filter: blur(6px);
            padding: 3px 10px;
            border-radius: var(--radius-full);
            font-size: 0.7rem;
            font-weight: 500;
            margin-bottom: 6px;
        }
        .cover-grid-card h4 {
            font-size: var(--font-base);
            font-weight: 700;
            line-height: 1.3;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* Horizontal Scroll */
        .hscroll-wrapper {
            position: relative;
        }
        .hscroll {
            display: flex;
            gap: 18px;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            padding-bottom: 8px;
            scrollbar-width: thin;
            scrollbar-color: #ccc transparent;
        }
        .hscroll::-webkit-scrollbar {
            height: 6px;
        }
        .hscroll::-webkit-scrollbar-track {
            background: transparent;
        }
        .hscroll::-webkit-scrollbar-thumb {
            background: #ccc;
            border-radius: 3px;
        }
        .hscroll-card {
            flex: 0 0 280px;
            scroll-snap-align: start;
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            cursor: pointer;
        }
        .hscroll-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .hscroll-card img {
            width: 100%;
            height: 170px;
            object-fit: cover;
        }
        .hscroll-card__body {
            padding: 16px;
        }
        .hscroll-card__badge {
            display: inline-block;
            padding: 3px 8px;
            border-radius: var(--radius-full);
            font-size: 0.68rem;
            font-weight: 600;
            background: var(--primary-light);
            color: var(--primary);
            margin-bottom: 8px;
        }
        .hscroll-card h4 {
            font-size: var(--font-sm);
            font-weight: 600;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            color: var(--text);
        }
        .hscroll-card__meta {
            font-size: var(--font-xs);
            color: var(--text-weak);
            margin-top: 8px;
        }

        /* Timeline */
        .timeline {
            position: relative;
            padding-left: 36px;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 14px;
            top: 4px;
            bottom: 4px;
            width: 2px;
            background: var(--border);
            border-radius: 1px;
        }
        .timeline-item {
            position: relative;
            padding-bottom: 28px;
        }
        .timeline-item:last-child {
            padding-bottom: 0;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -26px;
            top: 6px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--primary);
            border: 2px solid #fff;
            box-shadow: 0 0 0 3px var(--primary-light);
            z-index: 2;
        }
        .timeline-item:nth-child(even)::before {
            background: var(--accent);
            box-shadow: 0 0 0 3px var(--accent-light);
        }
        .timeline-item__date {
            font-size: var(--font-xs);
            color: var(--text-weak);
            font-weight: 500;
            margin-bottom: 4px;
        }
        .timeline-item h4 {
            font-size: var(--font-base);
            font-weight: 600;
            color: var(--text);
            margin-bottom: 2px;
        }
        .timeline-item p {
            font-size: var(--font-sm);
            color: var(--text-secondary);
            line-height: 1.5;
        }
        .timeline-item__tag {
            display: inline-block;
            padding: 2px 8px;
            border-radius: var(--radius-full);
            font-size: 0.68rem;
            font-weight: 500;
            margin-left: 10px;
            vertical-align: middle;
        }
        .timeline-item__tag.t-update {
            background: #E8F5E9;
            color: #2E7D32;
        }
        .timeline-item__tag.t-event {
            background: #E8F4FD;
            color: #1976D2;
        }
        .timeline-item__tag.t-notice {
            background: #FFF0E8;
            color: #E65100;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--secondary) 0%, #0F1E35 100%);
            color: #fff;
            text-align: center;
            padding: 56px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 30% 50%, rgba(230, 57, 70, 0.2) 0%, transparent 60%);
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: var(--font-3xl);
            font-weight: 800;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: var(--font-md);
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 28px;
        }
        .cta-form {
            display: flex;
            gap: 10px;
            max-width: 460px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .cta-form input {
            flex: 1;
            min-width: 220px;
            padding: 12px 18px;
            border-radius: var(--radius-full);
            border: 2px solid transparent;
            font-size: var(--font-sm);
            outline: none;
            transition: all var(--transition-fast);
            background: #fff;
            color: var(--text);
        }
        .cta-form input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.2);
        }
        .cta-form button {
            padding: 12px 28px;
            border-radius: var(--radius-full);
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: var(--font-sm);
            transition: all var(--transition);
            box-shadow: 0 4px 14px rgba(230, 57, 70, 0.4);
            white-space: nowrap;
        }
        .cta-form button:hover {
            background: var(--primary-hover);
            box-shadow: 0 6px 20px rgba(230, 57, 70, 0.5);
            transform: translateY(-2px);
        }

        /* Pagination */
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            margin-top: 32px;
        }
        .pagination a,
        .pagination span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            font-size: var(--font-sm);
            font-weight: 500;
            transition: all var(--transition-fast);
        }
        .pagination a {
            background: var(--surface);
            color: var(--text-secondary);
            border: 1px solid var(--border);
        }
        .pagination a:hover {
            background: var(--primary-light);
            color: var(--primary);
            border-color: transparent;
        }
        .pagination .current {
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            border: none;
        }
        .pagination .dots {
            background: transparent;
            border: none;
            color: var(--text-weak);
        }

        /* Footer */
        .footer {
            background: var(--secondary);
            color: #ccc;
            padding: 48px 0 24px;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 36px;
        }
        .footer__brand {
            font-size: var(--font-xl);
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .footer__brand-desc {
            font-size: var(--font-sm);
            color: #aaa;
            line-height: 1.6;
            max-width: 280px;
        }
        .footer__col-title {
            font-size: var(--font-sm);
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .footer__links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer__links a {
            font-size: var(--font-sm);
            color: #aaa;
            transition: color var(--transition-fast);
        }
        .footer__links a:hover {
            color: #fff;
        }
        .footer__bottom {
            margin-top: 36px;
            padding-top: 18px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
            font-size: var(--font-xs);
            color: #999;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .cover-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .cover-grid-card {
                aspect-ratio: 3 / 4;
            }
            .hot-feed-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .cat-banner h1 {
                font-size: var(--font-3xl);
            }
            .feed-card__img {
                width: 110px;
                height: 85px;
            }
        }

        @media (max-width: 768px) {
            .top-bar {
                display: none;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                flex-direction: column;
                background: var(--surface);
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-md);
                padding: 12px 20px;
                gap: 2px;
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links>li>a {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                font-size: var(--font-base);
            }
            .nav-cta {
                justify-content: center;
                margin-top: 6px;
            }
            .nav-toggle {
                display: block;
            }
            .cat-banner {
                min-height: 220px;
            }
            .cat-banner h1 {
                font-size: var(--font-2xl);
            }
            .cat-banner__desc {
                font-size: var(--font-sm);
            }
            .cat-banner__stats {
                gap: 16px;
                flex-wrap: wrap;
            }
            .cover-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .cover-grid-card {
                aspect-ratio: 3 / 3.5;
            }
            .feed-card {
                flex-direction: column;
                gap: 10px;
            }
            .feed-card__img {
                width: 100%;
                height: 160px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
                text-align: center;
            }
            .footer__brand-desc {
                max-width: 100%;
                margin: 0 auto;
            }
            .section {
                padding: 32px 0;
            }
            .section__title {
                font-size: var(--font-xl);
            }
            .hscroll-card {
                flex: 0 0 240px;
            }
            .hscroll-card img {
                height: 140px;
            }
            .tag-filter {
                gap: 6px;
            }
            .tag-filter__item {
                padding: 5px 12px;
                font-size: 0.7rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .nav-logo {
                font-size: var(--font-md);
                gap: 6px;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: var(--font-sm);
            }
            .cat-banner {
                min-height: 190px;
            }
            .cat-banner h1 {
                font-size: var(--font-xl);
            }
            .cat-banner__stats {
                gap: 10px;
            }
            .cat-banner__stat {
                font-size: var(--font-xs);
            }
            .cat-banner__stat strong {
                font-size: var(--font-lg);
            }
            .cover-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .cover-grid-card {
                aspect-ratio: 3 / 3.2;
            }
            .cover-grid-card__overlay {
                padding: 12px;
            }
            .cover-grid-card h4 {
                font-size: var(--font-xs);
            }
            .hot-feed-grid {
                gap: 16px;
            }
            .cta-section h2 {
                font-size: var(--font-xl);
            }
            .cta-form {
                flex-direction: column;
                align-items: center;
            }
            .cta-form input {
                width: 100%;
                min-width: 0;
            }
            .cta-form button {
                width: 100%;
            }
            .pagination a,
            .pagination span {
                width: 32px;
                height: 32px;
                font-size: var(--font-xs);
            }
        }