/* roulang page: index */
:root {
            --primary: #2563eb;
            --primary-dark: #1d4ed8;
            --primary-light: #60a5fa;
            --accent: #eab308;
            --accent-dark: #ca8a04;
            --bg-body: #f8fafc;
            --bg-card: #ffffff;
            --text-primary: #0f172a;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --border-color: #e2e8f0;
            --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
            --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -1px rgba(0,0,0,0.04);
            --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -2px rgba(0,0,0,0.04);
            --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.10), 0 10px 10px -5px rgba(0,0,0,0.04);
            --radius: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
            background: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, textarea {
            font-family: inherit;
            outline: none;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.25rem;
        }

        /* ===== 杂志导航 ===== */
        .magazine-header {
            background: #ffffff;
            box-shadow: 0 1px 3px rgba(0,0,0,0.06);
            position: sticky;
            top: 0;
            z-index: 100;
            border-bottom: 1px solid var(--border-color);
        }
        .magazine-header .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.75rem 0;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .magazine-header .logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .magazine-header .logo i {
            color: var(--accent);
            font-size: 1.3rem;
        }
        .magazine-header .logo span {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .magazine-header .header-actions {
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        .magazine-header .header-actions .search-box {
            display: flex;
            align-items: center;
            background: #f1f5f9;
            border-radius: 9999px;
            padding: 0.4rem 1rem;
            border: 1px solid transparent;
            transition: all 0.25s;
        }
        .magazine-header .header-actions .search-box:focus-within {
            border-color: var(--primary-light);
            background: #ffffff;
            box-shadow: 0 0 0 3px rgba(37,99,235,0.08);
        }
        .magazine-header .header-actions .search-box input {
            border: none;
            background: transparent;
            padding: 0.25rem 0.5rem;
            font-size: 0.875rem;
            width: 140px;
            color: var(--text-primary);
        }
        .magazine-header .header-actions .search-box input::placeholder {
            color: var(--text-muted);
        }
        .magazine-header .header-actions .search-box i {
            color: var(--text-muted);
            font-size: 0.875rem;
        }
        .magazine-header .header-actions .btn-register {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-radius: 9999px;
            padding: 0.45rem 1.25rem;
            font-size: 0.875rem;
            font-weight: 600;
            transition: all 0.3s;
            box-shadow: 0 2px 8px rgba(37,99,235,0.25);
            white-space: nowrap;
        }
        .magazine-header .header-actions .btn-register:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(37,99,235,0.35);
        }
        .magazine-header .nav-row {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            padding: 0.5rem 0 0.75rem 0;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .magazine-header .nav-row::-webkit-scrollbar {
            display: none;
        }
        .magazine-header .nav-row .nav-item {
            padding: 0.35rem 1rem;
            border-radius: 9999px;
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all 0.25s;
            border: 1px solid transparent;
        }
        .magazine-header .nav-row .nav-item:hover {
            background: #eff6ff;
            color: var(--primary);
        }
        .magazine-header .nav-row .nav-item.active {
            background: var(--primary);
            color: #ffffff;
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(37,99,235,0.25);
        }
        .magazine-header .nav-row .nav-item i {
            margin-right: 0.35rem;
            font-size: 0.8rem;
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--text-primary);
            padding: 0.25rem;
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center center;
            background-repeat: no-repeat;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(2,6,23,0.82) 0%, rgba(15,23,42,0.65) 50%, rgba(30,41,59,0.45) 100%);
            z-index: 1;
        }
        .hero-section .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
            padding: 4rem 0;
        }
        .hero-section .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: rgba(255,255,255,0.12);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255,255,255,0.15);
            padding: 0.35rem 1rem;
            border-radius: 9999px;
            color: #fff;
            font-size: 0.8rem;
            font-weight: 500;
            margin-bottom: 1.5rem;
        }
        .hero-section .hero-badge i {
            color: var(--accent);
        }
        .hero-section h1 {
            font-size: clamp(2.2rem, 5.5vw, 3.8rem);
            font-weight: 900;
            line-height: 1.15;
            color: #ffffff;
            max-width: 780px;
            letter-spacing: -0.02em;
        }
        .hero-section h1 .highlight {
            background: linear-gradient(135deg, #60a5fa, #eab308);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-section .hero-desc {
            font-size: 1.1rem;
            color: rgba(255,255,255,0.85);
            max-width: 600px;
            margin-top: 1.25rem;
            line-height: 1.7;
        }
        .hero-section .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-top: 2rem;
        }
        .hero-section .hero-actions .btn-primary {
            background: linear-gradient(135deg, #3b82f6, #1d4ed8);
            color: #fff;
            padding: 0.85rem 2.2rem;
            border-radius: 9999px;
            font-weight: 700;
            font-size: 1.05rem;
            transition: all 0.3s;
            box-shadow: 0 4px 16px rgba(37,99,235,0.4);
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
        }
        .hero-section .hero-actions .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(37,99,235,0.5);
        }
        .hero-section .hero-actions .btn-secondary {
            background: rgba(255,255,255,0.10);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255,255,255,0.20);
            color: #fff;
            padding: 0.85rem 2rem;
            border-radius: 9999px;
            font-weight: 600;
            font-size: 1.05rem;
            transition: all 0.3s;
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
        }
        .hero-section .hero-actions .btn-secondary:hover {
            background: rgba(255,255,255,0.20);
            border-color: rgba(255,255,255,0.35);
            transform: translateY(-2px);
        }
        .hero-section .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 2.5rem;
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.12);
        }
        .hero-section .hero-stats .stat-item {
            color: #fff;
        }
        .hero-section .hero-stats .stat-item .num {
            font-size: 1.75rem;
            font-weight: 800;
            letter-spacing: -0.01em;
        }
        .hero-section .hero-stats .stat-item .label {
            font-size: 0.85rem;
            color: rgba(255,255,255,0.65);
            margin-top: 0.15rem;
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 4.5rem 0;
        }
        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            text-align: center;
            margin-bottom: 0.75rem;
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            text-align: center;
            color: var(--text-secondary);
            max-width: 640px;
            margin: 0 auto 3rem auto;
            font-size: 1.05rem;
        }
        .section .title-left {
            text-align: left;
            margin-bottom: 0.5rem;
        }
        .section .subtitle-left {
            text-align: left;
            margin-left: 0;
            margin-right: 0;
        }

        /* ===== 卡片 ===== */
        .card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: all 0.3s;
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .card .card-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            display: block;
        }
        .card .card-body {
            padding: 1.25rem;
        }
        .card .card-body .card-tag {
            display: inline-block;
            background: #eff6ff;
            color: var(--primary);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.2rem 0.7rem;
            border-radius: 9999px;
            margin-bottom: 0.5rem;
        }
        .card .card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            line-height: 1.4;
        }
        .card .card-body p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.6;
        }
        .card .card-body .card-meta {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-top: 0.75rem;
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .card .card-body .card-meta i {
            margin-right: 0.25rem;
        }

        /* ===== 分类卡片（大图封面） ===== */
        .category-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 4 / 3;
            display: flex;
            align-items: flex-end;
            background-size: cover;
            background-position: center;
            box-shadow: var(--shadow-md);
            transition: all 0.35s;
            cursor: pointer;
        }
        .category-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-xl);
        }
        .category-card .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(2,6,23,0.80) 0%, rgba(2,6,23,0.20) 60%, transparent 100%);
            z-index: 1;
        }
        .category-card .cat-content {
            position: relative;
            z-index: 2;
            padding: 1.5rem 1.25rem;
            width: 100%;
        }
        .category-card .cat-content .cat-badge {
            display: inline-block;
            background: rgba(255,255,255,0.15);
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255,255,255,0.15);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 0.2rem 0.7rem;
            border-radius: 9999px;
            margin-bottom: 0.5rem;
        }
        .category-card .cat-content h3 {
            color: #fff;
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 0.25rem;
        }
        .category-card .cat-content p {
            color: rgba(255,255,255,0.75);
            font-size: 0.85rem;
        }

        /* ===== 流程步骤 ===== */
        .step-item {
            display: flex;
            gap: 1.25rem;
            align-items: flex-start;
            padding: 1.5rem;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            transition: all 0.3s;
        }
        .step-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
        }
        .step-item .step-num {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.15rem;
        }
        .step-item .step-body h4 {
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 0.3rem;
        }
        .step-item .step-body p {
            color: var(--text-secondary);
            font-size: 0.9rem;
        }

        /* ===== FAQ ===== */
        .faq-item {
            border-bottom: 1px solid var(--border-color);
            padding: 1.1rem 0;
        }
        .faq-item:first-child {
            padding-top: 0;
        }
        .faq-item .faq-q {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            padding: 0.25rem 0;
            transition: color 0.2s;
        }
        .faq-item .faq-q:hover {
            color: var(--primary);
        }
        .faq-item .faq-q i {
            color: var(--text-muted);
            transition: transform 0.3s;
            font-size: 0.9rem;
        }
        .faq-item .faq-q.open i {
            transform: rotate(180deg);
        }
        .faq-item .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            color: var(--text-secondary);
            font-size: 0.925rem;
            line-height: 1.7;
        }
        .faq-item .faq-a.open {
            max-height: 300px;
            padding-top: 0.6rem;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, #1e3a8a, #1d4ed8);
            border-radius: var(--radius-xl);
            padding: 3.5rem 3rem;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: rgba(255,255,255,0.04);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            margin-bottom: 0.75rem;
        }
        .cta-section p {
            opacity: 0.85;
            max-width: 560px;
            margin: 0 auto 1.5rem auto;
            font-size: 1.05rem;
        }
        .cta-section .btn-cta {
            background: #ffffff;
            color: var(--primary-dark);
            padding: 0.85rem 2.5rem;
            border-radius: 9999px;
            font-weight: 700;
            font-size: 1.05rem;
            transition: all 0.3s;
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            box-shadow: 0 4px 16px rgba(0,0,0,0.15);
        }
        .cta-section .btn-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(0,0,0,0.25);
            background: #f8fafc;
        }

        /* ===== 页脚 ===== */
        .footer {
            background: #0f172a;
            color: rgba(255,255,255,0.75);
            padding: 3rem 0 1.5rem 0;
        }
        .footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer .footer-brand .logo {
            font-size: 1.35rem;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-bottom: 0.75rem;
        }
        .footer .footer-brand .logo i {
            color: var(--accent);
        }
        .footer .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 320px;
        }
        .footer .footer-col h4 {
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 0.75rem;
        }
        .footer .footer-col a {
            display: block;
            color: rgba(255,255,255,0.60);
            font-size: 0.875rem;
            padding: 0.25rem 0;
            transition: color 0.2s;
        }
        .footer .footer-col a:hover {
            color: #60a5fa;
        }
        .footer .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 1.25rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            font-size: 0.825rem;
            color: rgba(255,255,255,0.45);
        }
        .footer .footer-bottom a {
            color: rgba(255,255,255,0.55);
        }
        .footer .footer-bottom a:hover {
            color: #60a5fa;
        }

        /* ===== 文章卡片下拉列表 ===== */
        .post-list .post-item {
            display: flex;
            gap: 1.25rem;
            padding: 1.25rem 0;
            border-bottom: 1px solid var(--border-color);
            align-items: flex-start;
        }
        .post-list .post-item:first-child {
            padding-top: 0;
        }
        .post-list .post-item:last-child {
            border-bottom: none;
        }
        .post-list .post-item .post-thumb {
            flex-shrink: 0;
            width: 120px;
            height: 80px;
            border-radius: var(--radius);
            object-fit: cover;
            background: #e2e8f0;
        }
        .post-list .post-item .post-info {
            flex: 1;
        }
        .post-list .post-item .post-info h4 {
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 0.3rem;
            line-height: 1.4;
        }
        .post-list .post-item .post-info h4 a:hover {
            color: var(--primary);
        }
        .post-list .post-item .post-info p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .post-list .post-item .post-info .post-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            margin-top: 0.4rem;
            font-size: 0.75rem;
            color: var(--text-muted);
        }
        .post-list .post-item .post-info .post-meta i {
            margin-right: 0.2rem;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .magazine-header .brand-row {
                padding: 0.5rem 0;
            }
            .magazine-header .header-actions .search-box {
                display: none;
            }
            .magazine-header .header-actions .btn-register {
                font-size: 0.8rem;
                padding: 0.35rem 1rem;
            }
            .magazine-header .nav-row {
                gap: 0.2rem;
                padding: 0.4rem 0 0.6rem 0;
            }
            .magazine-header .nav-row .nav-item {
                font-size: 0.78rem;
                padding: 0.25rem 0.75rem;
            }
            .mobile-menu-btn {
                display: block;
            }
            .hero-section {
                min-height: 380px;
            }
            .hero-section .hero-content {
                padding: 2.5rem 0;
            }
            .hero-section h1 {
                font-size: clamp(1.6rem, 6vw, 2.4rem);
            }
            .hero-section .hero-desc {
                font-size: 0.95rem;
            }
            .hero-section .hero-actions .btn-primary,
            .hero-section .hero-actions .btn-secondary {
                padding: 0.65rem 1.5rem;
                font-size: 0.9rem;
            }
            .hero-section .hero-stats {
                gap: 1.5rem;
                margin-top: 2rem;
                padding-top: 1.25rem;
            }
            .hero-section .hero-stats .stat-item .num {
                font-size: 1.35rem;
            }
            .section {
                padding: 3rem 0;
            }
            .section-subtitle {
                margin-bottom: 2rem;
                font-size: 0.95rem;
            }
            .post-list .post-item .post-thumb {
                width: 90px;
                height: 64px;
            }
            .category-card {
                aspect-ratio: 3 / 2;
            }
            .cta-section {
                padding: 2.5rem 1.5rem;
                border-radius: var(--radius-lg);
            }
            .footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer .footer-bottom {
                flex-direction: column;
                gap: 0.5rem;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 1rem;
            }
            .hero-section h1 {
                font-size: 1.5rem;
            }
            .hero-section .hero-stats {
                flex-direction: column;
                gap: 0.75rem;
            }
            .post-list .post-item {
                flex-direction: column;
                gap: 0.75rem;
            }
            .post-list .post-item .post-thumb {
                width: 100%;
                height: 140px;
            }
            .step-item {
                flex-direction: column;
                align-items: flex-start;
            }
            .step-item .step-num {
                width: 36px;
                height: 36px;
                font-size: 1rem;
            }
        }
        @media (min-width: 769px) {
            .mobile-menu-btn {
                display: none !important;
            }
        }

        /* ===== 辅助 ===== */
        .text-gradient {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .gap-1 { gap: 0.25rem; }
        .gap-2 { gap: 0.5rem; }
        .gap-3 { gap: 0.75rem; }
        .gap-4 { gap: 1rem; }
        .gap-6 { gap: 1.5rem; }
        .gap-8 { gap: 2rem; }

        .empty-state {
            text-align: center;
            padding: 2rem 1rem;
            color: var(--text-muted);
            font-size: 0.95rem;
        }
        .empty-state i {
            font-size: 2rem;
            margin-bottom: 0.5rem;
            display: block;
        }

/* roulang page: article */
:root {
            --primary: #6366f1;
            --primary-dark: #4f46e5;
            --primary-light: #a5b4fc;
            --secondary: #ec4899;
            --accent: #06b6d4;
            --bg-dark: #0f172a;
            --bg-card: #1e293b;
            --bg-section: #1a2332;
            --text-white: #f1f5f9;
            --text-muted: #94a3b8;
            --text-light: #cbd5e1;
            --border-color: #334155;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow-card: 0 8px 32px rgba(0,0,0,0.5);
            --shadow-hover: 0 16px 48px rgba(99,102,241,0.25);
            --transition: all 0.35s cubic-bezier(0.4,0,0.2,1);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            background: var(--bg-dark);
            color: var(--text-white);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, textarea {
            font-family: inherit;
            transition: var(--transition);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-narrow {
            max-width: 880px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header & Nav ===== */
        .top-bar {
            background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
            border-bottom: 1px solid var(--border-color);
            padding: 10px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(12px);
            box-shadow: 0 4px 20px rgba(0,0,0,0.5);
        }
        .top-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-white);
            letter-spacing: -0.02em;
        }
        .logo i {
            color: var(--primary-light);
            font-size: 1.6rem;
        }
        .logo span {
            background: linear-gradient(135deg, #f1f5f9 0%, #a5b4fc 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-row {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .nav-item {
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .nav-item i {
            font-size: 0.85rem;
        }
        .nav-item:hover {
            color: var(--text-white);
            background: rgba(99,102,241,0.15);
            border-color: rgba(99,102,241,0.3);
            transform: translateY(-1px);
        }
        .nav-item.active {
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-color: transparent;
            box-shadow: 0 4px 16px rgba(99,102,241,0.4);
        }
        .nav-item.active:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 24px rgba(99,102,241,0.5);
        }

        /* ===== Article Hero ===== */
        .article-hero {
            position: relative;
            padding: 80px 0 60px;
            background: linear-gradient(135deg, #0f172a 0%, #1a2332 50%, #0f172a 100%);
            border-bottom: 1px solid var(--border-color);
            overflow: hidden;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.12;
            pointer-events: none;
        }
        .article-hero .container-narrow {
            position: relative;
            z-index: 2;
        }
        .article-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 24px;
            flex-wrap: wrap;
        }
        .article-breadcrumb a {
            color: var(--text-muted);
        }
        .article-breadcrumb a:hover {
            color: var(--primary-light);
        }
        .article-breadcrumb .sep {
            color: var(--border-color);
        }
        .article-category-badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 600;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .article-hero h1 {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.3;
            background: linear-gradient(135deg, #f1f5f9 0%, #a5b4fc 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 20px;
            letter-spacing: -0.02em;
        }
        .article-meta {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-wrap: wrap;
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .article-meta i {
            margin-right: 4px;
            color: var(--primary-light);
        }
        .article-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* ===== Article Body ===== */
        .article-body-section {
            padding: 60px 0 80px;
            background: var(--bg-dark);
        }
        .article-body {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--text-light);
        }
        .article-body h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-white);
            margin: 40px 0 16px;
            border-left: 4px solid var(--primary);
            padding-left: 16px;
        }
        .article-body h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--text-white);
            margin: 32px 0 12px;
        }
        .article-body p {
            margin-bottom: 18px;
        }
        .article-body ul, .article-body ol {
            margin: 16px 0 24px;
            padding-left: 24px;
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .article-body a {
            color: var(--primary-light);
            border-bottom: 1px solid transparent;
        }
        .article-body a:hover {
            border-bottom-color: var(--primary-light);
        }
        .article-body blockquote {
            border-left: 4px solid var(--primary);
            padding: 16px 20px;
            margin: 24px 0;
            background: rgba(99,102,241,0.08);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-light);
            font-style: italic;
        }
        .article-body img {
            border-radius: var(--radius);
            margin: 24px 0;
            box-shadow: var(--shadow-card);
        }
        .article-body code {
            background: rgba(99,102,241,0.15);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.9em;
            color: var(--primary-light);
        }
        .article-body pre {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 20px;
            overflow-x: auto;
            margin: 24px 0;
        }
        .article-body pre code {
            background: none;
            padding: 0;
            color: var(--text-light);
        }

        /* ===== Share / Tags ===== */
        .article-footer-bar {
            margin-top: 48px;
            padding-top: 32px;
            border-top: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
        }
        .article-tags {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .article-tags .tag {
            padding: 4px 14px;
            border-radius: 999px;
            font-size: 0.8rem;
            background: rgba(99,102,241,0.12);
            color: var(--text-muted);
            border: 1px solid var(--border-color);
        }
        .article-tags .tag:hover {
            background: rgba(99,102,241,0.25);
            color: var(--text-white);
            border-color: var(--primary);
        }
        .article-share {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .article-share span {
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .share-btn {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .share-btn:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(99,102,241,0.4);
        }

        /* ===== Related Posts ===== */
        .related-section {
            padding: 60px 0;
            background: var(--bg-section);
            border-top: 1px solid var(--border-color);
        }
        .related-section h2 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 32px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .related-section h2 i {
            color: var(--primary-light);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            overflow: hidden;
            transition: var(--transition);
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(99,102,241,0.3);
        }
        .related-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .related-card .card-body {
            padding: 16px 20px 20px;
        }
        .related-card .card-body h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 8px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-body p {
            font-size: 0.85rem;
            color: var(--text-muted);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 12px;
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        .related-card .card-meta i {
            margin-right: 4px;
        }

        /* ===== CTA ===== */
        .article-cta {
            padding: 60px 0;
            background: linear-gradient(135deg, #1a2332 0%, #0f172a 100%);
            border-top: 1px solid var(--border-color);
        }
        .article-cta .cta-box {
            background: linear-gradient(135deg, rgba(99,102,241,0.12), rgba(6,182,212,0.08));
            border: 1px solid rgba(99,102,241,0.25);
            border-radius: var(--radius);
            padding: 48px 40px;
            text-align: center;
        }
        .article-cta .cta-box h2 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 12px;
            background: linear-gradient(135deg, #f1f5f9 0%, #a5b4fc 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .article-cta .cta-box p {
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto 24px;
            font-size: 1rem;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 36px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 1rem;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(99,102,241,0.35);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(99,102,241,0.5);
        }
        .btn-primary i {
            font-size: 0.9rem;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 999px;
            font-weight: 500;
            font-size: 0.95rem;
            border: 1px solid var(--border-color);
            color: var(--text-muted);
            background: transparent;
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--text-white);
            background: rgba(99,102,241,0.1);
        }

        /* ===== Footer ===== */
        .footer {
            background: #0a0f1a;
            border-top: 1px solid var(--border-color);
            padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo {
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 340px;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer-col a {
            display: block;
            font-size: 0.85rem;
            color: var(--text-muted);
            padding: 4px 0;
        }
        .footer-col a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer-bottom {
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-muted);
        }
        .footer-bottom a:hover {
            color: var(--primary-light);
        }

        /* ===== Not Found ===== */
        .not-found-box {
            text-align: center;
            padding: 80px 20px;
        }
        .not-found-box i {
            font-size: 3rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .not-found-box h2 {
            font-size: 1.8rem;
            color: var(--text-white);
            margin-bottom: 12px;
        }
        .not-found-box p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .top-bar .container {
                flex-direction: column;
                align-items: stretch;
                gap: 8px;
            }
            .logo {
                justify-content: center;
                font-size: 1.1rem;
            }
            .nav-row {
                justify-content: center;
                gap: 4px;
            }
            .nav-item {
                padding: 6px 14px;
                font-size: 0.8rem;
            }
            .nav-item i {
                display: none;
            }
            .article-hero h1 {
                font-size: 1.7rem;
            }
            .article-hero {
                padding: 50px 0 40px;
            }
            .article-body {
                font-size: 0.98rem;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .article-cta .cta-box {
                padding: 32px 20px;
            }
            .article-cta .cta-box h2 {
                font-size: 1.3rem;
            }
            .article-footer-bar {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .container-narrow {
                padding: 0 16px;
            }
            .article-hero h1 {
                font-size: 1.4rem;
            }
            .article-meta {
                font-size: 0.8rem;
                gap: 12px;
            }
            .nav-item {
                padding: 5px 12px;
                font-size: 0.75rem;
            }
            .btn-primary {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #e8384f;
            --primary-light: #ff6b7a;
            --primary-dark: #c22a3e;
            --secondary: #f5c518;
            --secondary-light: #ffe07a;
            --accent: #2d3748;
            --bg-body: #0f0f1a;
            --bg-card: #1a1a2e;
            --bg-card-hover: #22223a;
            --bg-elevated: #252540;
            --text-primary: #f1f1f6;
            --text-secondary: #b8b8d0;
            --text-muted: #7a7a9a;
            --border-color: #2e2e4a;
            --border-light: #3a3a58;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-xs: 6px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 16px 48px rgba(232, 56, 79, 0.18);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
        }
        /* ===== 基础重置 ===== */
        *,
        *::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-sans);
            background: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 16px;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
            transition: var(--transition);
        }
        button {
            cursor: pointer;
        }
        /* ===== 容器 ===== */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 640px) {
            .container {
                padding: 0 16px;
            }
        }
        /* ===== 导航 ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(15, 15, 26, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .header-inner {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0 8px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: -0.3px;
        }
        .logo i {
            font-size: 28px;
            color: var(--primary);
        }
        .logo span {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .header-actions .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-elevated);
            border-radius: 30px;
            padding: 6px 16px 6px 20px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            min-width: 200px;
        }
        .header-actions .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(232, 56, 79, 0.15);
        }
        .header-actions .search-box input {
            background: transparent;
            color: var(--text-primary);
            padding: 6px 0;
            width: 100%;
            font-size: 14px;
        }
        .header-actions .search-box input::placeholder {
            color: var(--text-muted);
        }
        .header-actions .search-box i {
            color: var(--text-muted);
            font-size: 14px;
            margin-left: 8px;
        }
        .nav-row {
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 4px 0 10px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .nav-row::-webkit-scrollbar {
            display: none;
        }
        .nav-item {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 20px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: var(--transition);
            background: transparent;
            border: 1px solid transparent;
        }
        .nav-item i {
            font-size: 14px;
            opacity: 0.7;
        }
        .nav-item:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.05);
            border-color: var(--border-light);
        }
        .nav-item.active {
            color: #fff;
            background: var(--primary);
            border-color: var(--primary);
            box-shadow: 0 4px 16px rgba(232, 56, 79, 0.3);
        }
        .nav-item.active i {
            opacity: 1;
        }
        .mobile-toggle {
            display: none;
            background: none;
            color: var(--text-primary);
            font-size: 24px;
            padding: 4px 8px;
            border-radius: 8px;
        }
        .mobile-toggle:hover {
            background: rgba(255, 255, 255, 0.05);
        }
        /* 移动端导航抽屉 */
        .nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.6);
            z-index: 999;
            backdrop-filter: blur(4px);
        }
        .nav-overlay.open {
            display: block;
        }
        .nav-drawer {
            position: fixed;
            top: 0;
            left: -300px;
            width: 280px;
            height: 100%;
            background: var(--bg-card);
            z-index: 1001;
            padding: 24px 20px;
            transition: left 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: 4px 0 40px rgba(0, 0, 0, 0.6);
            overflow-y: auto;
        }
        .nav-drawer.open {
            left: 0;
        }
        .nav-drawer .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 28px;
            padding-bottom: 16px;
            border-bottom: 1px solid var(--border-color);
        }
        .nav-drawer .drawer-header .logo {
            font-size: 18px;
        }
        .nav-drawer .drawer-close {
            background: none;
            color: var(--text-secondary);
            font-size: 22px;
            padding: 4px 8px;
            border-radius: 8px;
        }
        .nav-drawer .drawer-close:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.05);
        }
        .nav-drawer .nav-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 16px;
            border-radius: var(--radius-sm);
            font-size: 16px;
            border: none;
            margin-bottom: 4px;
        }
        .nav-drawer .nav-item i {
            width: 22px;
            text-align: center;
            font-size: 16px;
        }
        /* ===== Banner ===== */
        .page-banner {
            padding: 140px 0 80px;
            background: linear-gradient(135deg, rgba(15, 15, 26, 0.92), rgba(26, 26, 46, 0.88)), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            border-bottom: 1px solid var(--border-color);
            position: relative;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--bg-body), transparent);
            pointer-events: none;
        }
        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }
        .page-banner .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .page-banner .breadcrumb a {
            color: var(--text-secondary);
        }
        .page-banner .breadcrumb a:hover {
            color: var(--primary);
        }
        .page-banner .breadcrumb i {
            font-size: 10px;
            color: var(--text-muted);
        }
        .page-banner h1 {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -1px;
            margin-bottom: 18px;
            background: linear-gradient(135deg, #fff 60%, var(--secondary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .page-banner p {
            font-size: 18px;
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.7;
        }
        .page-banner .banner-stats {
            display: flex;
            gap: 32px;
            margin-top: 28px;
            flex-wrap: wrap;
        }
        .page-banner .banner-stats .stat-item {
            display: flex;
            flex-direction: column;
        }
        .page-banner .banner-stats .stat-item .num {
            font-size: 28px;
            font-weight: 700;
            color: var(--secondary);
        }
        .page-banner .banner-stats .stat-item .label {
            font-size: 13px;
            color: var(--text-muted);
        }
        /* ===== 板块通用 ===== */
        .section {
            padding: 80px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 52px;
        }
        .section-header h2 {
            font-size: 34px;
            font-weight: 700;
            letter-spacing: -0.5px;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .section-header p {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto;
        }
        .section-header .badge-tag {
            display: inline-block;
            padding: 4px 16px;
            border-radius: 30px;
            background: rgba(232, 56, 79, 0.12);
            color: var(--primary-light);
            font-size: 13px;
            font-weight: 500;
            margin-bottom: 12px;
        }
        /* ===== 流程步骤 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .step-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 32px 24px 28px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            text-align: center;
            position: relative;
        }
        .step-card:hover {
            border-color: var(--primary);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .step-card .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin: 0 auto 18px;
        }
        .step-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .step-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .step-card .step-icon {
            font-size: 32px;
            color: var(--primary-light);
            margin-bottom: 16px;
        }
        /* ===== 注册方法卡片 ===== */
        .methods-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .method-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .method-card:hover {
            border-color: var(--border-light);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .method-card .card-img {
            height: 200px;
            background: var(--bg-elevated);
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }
        .method-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
        }
        .method-card .card-body {
            padding: 24px 20px 26px;
        }
        .method-card .card-body .tag {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 20px;
            background: rgba(245, 197, 24, 0.12);
            color: var(--secondary);
            font-size: 12px;
            font-weight: 500;
            margin-bottom: 10px;
        }
        .method-card .card-body h3 {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .method-card .card-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .method-card .card-body .btn-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary-light);
            font-weight: 500;
            font-size: 14px;
        }
        .method-card .card-body .btn-link i {
            font-size: 12px;
            transition: var(--transition);
        }
        .method-card .card-body .btn-link:hover i {
            transform: translateX(4px);
        }
        /* ===== 注意事项 ===== */
        .notice-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .notice-item {
            display: flex;
            gap: 16px;
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            padding: 20px 24px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .notice-item:hover {
            border-color: var(--border-light);
            background: var(--bg-card-hover);
        }
        .notice-item .notice-icon {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(232, 56, 79, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-light);
            font-size: 18px;
        }
        .notice-item .notice-text h4 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 4px;
            color: var(--text-primary);
        }
        .notice-item .notice-text p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        /* ===== FAQ ===== */
        .faq-grid {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-light);
        }
        .faq-item .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-primary);
            cursor: pointer;
            background: none;
            width: 100%;
            text-align: left;
            gap: 16px;
        }
        .faq-item .faq-question i {
            color: var(--text-muted);
            font-size: 14px;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item .faq-question.open i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-item .faq-answer {
            padding: 0 24px 18px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }
        .faq-item .faq-answer.open {
            display: block;
        }
        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark), #8a1f2e);
            border-radius: var(--radius);
            padding: 56px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            pointer-events: none;
        }
        .cta-section h2 {
            font-size: 34px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 520px;
            margin: 0 auto 28px;
        }
        .cta-section .btn-group {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            border-radius: 30px;
            background: #fff;
            color: var(--primary-dark);
            font-weight: 600;
            font-size: 16px;
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
            background: var(--secondary-light);
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            border-radius: 30px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 16px;
            border: 2px solid rgba(255, 255, 255, 0.3);
            transition: var(--transition);
        }
        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }
        /* ===== 页脚 ===== */
        .footer {
            background: var(--bg-card);
            border-top: 1px solid var(--border-color);
            padding: 60px 0 30px;
            margin-top: 40px;
        }
        .footer .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer .footer-brand .logo {
            font-size: 22px;
            margin-bottom: 12px;
        }
        .footer .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .footer .footer-col a {
            display: block;
            font-size: 14px;
            color: var(--text-secondary);
            padding: 4px 0;
            transition: var(--transition);
        }
        .footer .footer-col a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer .footer-bottom a {
            color: var(--text-muted);
        }
        .footer .footer-bottom a:hover {
            color: var(--primary-light);
        }
        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .methods-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }
        }
        @media (max-width: 768px) {
            .header-actions .search-box {
                min-width: 140px;
            }
            .header-actions .search-box input {
                font-size: 13px;
            }
            .nav-row {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .page-banner {
                padding: 120px 0 60px;
            }
            .page-banner h1 {
                font-size: 30px;
            }
            .page-banner p {
                font-size: 16px;
            }
            .page-banner .banner-stats {
                gap: 20px;
            }
            .page-banner .banner-stats .stat-item .num {
                font-size: 22px;
            }
            .section {
                padding: 56px 0;
            }
            .section-header h2 {
                font-size: 26px;
            }
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .methods-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .notice-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .cta-section {
                padding: 40px 24px;
            }
            .cta-section h2 {
                font-size: 26px;
            }
            .cta-section .btn-group {
                flex-direction: column;
                align-items: center;
            }
            .footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .page-banner h1 {
                font-size: 24px;
            }
            .page-banner p {
                font-size: 14px;
            }
            .section-header h2 {
                font-size: 22px;
            }
            .method-card .card-img {
                height: 160px;
            }
            .step-card {
                padding: 24px 16px 20px;
            }
            .notice-item {
                padding: 16px 18px;
            }
            .faq-item .faq-question {
                padding: 14px 18px;
                font-size: 14px;
            }
            .faq-item .faq-answer {
                padding: 0 18px 14px;
                font-size: 13px;
            }
            .btn-primary,
            .btn-outline-light {
                padding: 12px 28px;
                font-size: 14px;
                width: 100%;
                justify-content: center;
            }
            .footer {
                padding: 40px 0 20px;
            }
        }
        /* ===== 工具类 ===== */
        .text-gradient {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .mt-8 {
            margin-top: 32px;
        }
        .mb-8 {
            margin-bottom: 32px;
        }
        /* 骨架屏过渡 */
        .fade-in {
            animation: fadeIn 0.6s ease-out forwards;
        }
        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

/* roulang page: category2 */
:root {
            --primary: #7c3aed;
            --primary-dark: #5b21b6;
            --primary-light: #a78bfa;
            --secondary: #f59e0b;
            --accent: #ec4899;
            --bg-dark: #0f0b1a;
            --bg-card: #1a1430;
            --bg-section: #130e24;
            --text-white: #f8f6ff;
            --text-light: #c4b5e3;
            --text-muted: #8b7aa8;
            --border-color: rgba(124, 58, 237, 0.2);
            --radius: 16px;
            --radius-sm: 10px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 16px 48px rgba(124, 58, 237, 0.2);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            background: var(--bg-dark);
            color: var(--text-white);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input {
            font-family: inherit;
            outline: none;
            border: none;
        }
        ::selection {
            background: var(--primary);
            color: #fff;
        }
        .scrollbar-hide::-webkit-scrollbar {
            display: none;
        }
        .scrollbar-hide {
            -ms-overflow-style: none;
            scrollbar-width: none;
        }

        /* ===== Header & Nav ===== */
        .site-header {
            background: rgba(15, 11, 26, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 0 0 0 0;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            gap: 20px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text-white);
            white-space: nowrap;
        }
        .logo i {
            color: var(--primary-light);
            font-size: 1.6rem;
        }
        .logo span {
            background: linear-gradient(135deg, #c4b5e3, #a78bfa);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        /* Nav Row - 杂志频道风格 */
        .nav-row {
            display: flex;
            align-items: center;
            gap: 6px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding: 4px 0;
        }
        .nav-row::-webkit-scrollbar {
            display: none;
        }
        .nav-item {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: 100px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-light);
            white-space: nowrap;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .nav-item i {
            font-size: 0.85rem;
        }
        .nav-item:hover {
            color: var(--text-white);
            background: rgba(124, 58, 237, 0.15);
            border-color: rgba(124, 58, 237, 0.25);
        }
        .nav-item.active {
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-color: var(--primary);
            box-shadow: 0 4px 20px rgba(124, 58, 237, 0.35);
        }
        .nav-item.active i {
            color: #fff;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .search-toggle {
            background: rgba(124, 58, 237, 0.1);
            border: 1px solid var(--border-color);
            color: var(--text-light);
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            font-size: 1rem;
        }
        .search-toggle:hover {
            background: rgba(124, 58, 237, 0.2);
            color: var(--text-white);
        }
        .btn-cta-nav {
            background: linear-gradient(135deg, var(--secondary), #d97706);
            color: #1a1a2e;
            padding: 8px 22px;
            border-radius: 100px;
            font-weight: 700;
            font-size: 0.85rem;
            display: flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(245, 158, 11, 0.25);
            border: none;
            cursor: pointer;
        }
        .btn-cta-nav:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(245, 158, 11, 0.35);
        }
        .btn-cta-nav i {
            font-size: 0.8rem;
        }

        /* Mobile menu */
        .mobile-menu-btn {
            display: none;
            background: none;
            color: var(--text-white);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 4px 8px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
        }

        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
                padding: 10px 0;
            }
            .mobile-menu-btn {
                display: block;
            }
            .nav-row {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                padding: 12px 0 8px;
                border-top: 1px solid var(--border-color);
                margin-top: 8px;
            }
            .nav-row.open {
                display: flex;
            }
            .nav-item {
                justify-content: center;
                padding: 10px 16px;
                border-radius: var(--radius-sm);
            }
            .header-actions {
                margin-left: auto;
            }
            .btn-cta-nav span {
                display: none;
            }
        }
        @media (max-width: 520px) {
            .logo {
                font-size: 1.1rem;
            }
            .logo i {
                font-size: 1.2rem;
            }
            .container {
                padding: 0 16px;
            }
        }

        /* ===== Hero Banner ===== */
        .category-hero {
            position: relative;
            padding: 80px 0 60px;
            background: linear-gradient(135deg, #0f0b1a 0%, #1a1430 50%, #0f0b1a 100%);
            overflow: hidden;
            text-align: center;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.15;
            z-index: 0;
        }
        .category-hero .container {
            position: relative;
            z-index: 1;
        }
        .category-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(245, 158, 11, 0.15);
            border: 1px solid rgba(245, 158, 11, 0.3);
            padding: 6px 18px;
            border-radius: 100px;
            font-size: 0.8rem;
            color: var(--secondary);
            margin-bottom: 20px;
        }
        .category-hero h1 {
            font-size: clamp(2rem, 5vw, 3.2rem);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            background: linear-gradient(135deg, #f8f6ff, #a78bfa);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .category-hero p {
            font-size: 1.05rem;
            color: var(--text-light);
            max-width: 700px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 30px;
            flex-wrap: wrap;
        }
        .hero-stat {
            text-align: center;
        }
        .hero-stat .num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--secondary);
            display: block;
        }
        .hero-stat .label {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 2px;
        }

        /* ===== Sections ===== */
        section {
            padding: 70px 0;
        }
        .section-title {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 700;
            margin-bottom: 8px;
        }
        .section-sub {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 36px;
            max-width: 600px;
        }
        .section-divider {
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 4px;
            margin-bottom: 24px;
        }

        /* ===== Cards ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }
        .card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(124, 58, 237, 0.4);
        }
        .card-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            position: relative;
            background: #1a1430;
        }
        .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .card:hover .card-img img {
            transform: scale(1.05);
        }
        .card-img .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(124, 58, 237, 0.85);
            backdrop-filter: blur(6px);
            padding: 4px 14px;
            border-radius: 100px;
            font-size: 0.7rem;
            font-weight: 600;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .card-img .card-tag.hot {
            background: rgba(239, 68, 68, 0.85);
        }
        .card-img .card-tag.tip {
            background: rgba(245, 158, 11, 0.85);
        }
        .card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-body h3 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .card-body h3 a:hover {
            color: var(--primary-light);
        }
        .card-body p {
            color: var(--text-light);
            font-size: 0.88rem;
            line-height: 1.6;
            flex: 1;
        }
        .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 16px;
            padding-top: 14px;
            border-top: 1px solid rgba(124, 58, 237, 0.1);
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        .card-meta i {
            margin-right: 4px;
        }
        .card-meta .views {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* ===== List Cards ===== */
        .list-cards {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .list-card {
            display: flex;
            align-items: stretch;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
        }
        .list-card:hover {
            transform: translateX(6px);
            border-color: rgba(124, 58, 237, 0.35);
            box-shadow: var(--shadow-hover);
        }
        .list-card .lc-img {
            width: 160px;
            min-height: 110px;
            flex-shrink: 0;
            background: #1a1430;
            overflow: hidden;
        }
        .list-card .lc-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .list-card .lc-body {
            padding: 14px 20px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            flex: 1;
        }
        .list-card .lc-body h3 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 4px;
        }
        .list-card .lc-body p {
            font-size: 0.82rem;
            color: var(--text-light);
            line-height: 1.5;
        }
        .list-card .lc-body .lc-meta {
            font-size: 0.72rem;
            color: var(--text-muted);
            margin-top: 6px;
            display: flex;
            gap: 16px;
        }
        .lc-rank {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            flex-shrink: 0;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text-muted);
            background: rgba(124, 58, 237, 0.05);
        }
        .lc-rank.gold {
            color: var(--secondary);
        }
        .lc-rank.silver {
            color: #9ca3af;
        }
        .lc-rank.bronze {
            color: #d97706;
        }

        @media (max-width: 640px) {
            .list-card {
                flex-direction: column;
            }
            .list-card .lc-img {
                width: 100%;
                height: 140px;
            }
            .lc-rank {
                width: 100%;
                padding: 8px 0;
                font-size: 1rem;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Tabs ===== */
        .tabs-nav {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }
        .tab-btn {
            padding: 8px 22px;
            border-radius: 100px;
            font-size: 0.85rem;
            font-weight: 500;
            background: rgba(124, 58, 237, 0.08);
            color: var(--text-light);
            border: 1px solid transparent;
            cursor: pointer;
            transition: var(--transition);
        }
        .tab-btn:hover {
            background: rgba(124, 58, 237, 0.15);
            color: var(--text-white);
        }
        .tab-btn.active {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 16px rgba(124, 58, 237, 0.3);
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(124, 58, 237, 0.3);
        }
        .faq-q {
            padding: 16px 20px;
            font-weight: 600;
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            gap: 12px;
            user-select: none;
        }
        .faq-q i {
            transition: transform 0.3s ease;
            color: var(--primary-light);
            flex-shrink: 0;
        }
        .faq-item.open .faq-q i {
            transform: rotate(180deg);
        }
        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 20px;
            color: var(--text-light);
            font-size: 0.88rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-a {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, #1a1430, #2a1f4a);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 50px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            opacity: 0.06;
            z-index: 0;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 700;
            margin-bottom: 12px;
        }
        .cta-section p {
            color: var(--text-light);
            max-width: 600px;
            margin: 0 auto 24px;
        }
        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, var(--secondary), #d97706);
            color: #1a1a2e;
            padding: 14px 36px;
            border-radius: 100px;
            font-weight: 700;
            font-size: 1rem;
            transition: var(--transition);
            box-shadow: 0 6px 24px rgba(245, 158, 11, 0.3);
            border: none;
            cursor: pointer;
        }
        .btn-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(245, 158, 11, 0.4);
        }
        .btn-cta i {
            font-size: 0.9rem;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: 100px;
            font-weight: 600;
            font-size: 0.85rem;
            border: 1px solid var(--primary-light);
            color: var(--primary-light);
            background: transparent;
            transition: var(--transition);
            cursor: pointer;
        }
        .btn-outline:hover {
            background: rgba(124, 58, 237, 0.15);
            border-color: var(--primary);
            color: var(--text-white);
        }

        /* ===== Footer ===== */
        .footer {
            background: #0a0815;
            border-top: 1px solid var(--border-color);
            padding: 50px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 36px;
        }
        .footer-brand .logo {
            margin-bottom: 14px;
        }
        .footer-brand p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 340px;
        }
        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 14px;
            color: var(--text-white);
        }
        .footer-col a {
            display: block;
            font-size: 0.82rem;
            color: var(--text-muted);
            padding: 4px 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-muted);
        }
        .footer-bottom a:hover {
            color: var(--primary-light);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
        }

        /* ===== Responsive extras ===== */
        @media (max-width: 768px) {
            section {
                padding: 50px 0;
            }
            .category-hero {
                padding: 50px 0 40px;
            }
            .hero-stats {
                gap: 16px;
            }
            .cta-section {
                padding: 30px 20px;
            }
            .tabs-nav {
                overflow-x: auto;
                flex-wrap: nowrap;
                padding-bottom: 4px;
            }
            .tab-btn {
                flex-shrink: 0;
            }
        }
        @media (max-width: 520px) {
            .hero-stat .num {
                font-size: 1.3rem;
            }
            .list-card .lc-img {
                height: 120px;
            }
        }

        /* Skeleton / fade-in */
        .fade-in {
            animation: fadeUp 0.6s ease forwards;
            opacity: 0;
        }
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .delay-1 {
            animation-delay: 0.1s;
        }
        .delay-2 {
            animation-delay: 0.2s;
        }
        .delay-3 {
            animation-delay: 0.3s;
        }
        .delay-4 {
            animation-delay: 0.4s;
        }