/* roulang page: index */
:root {
            --color-primary: #0f1f3d;
            --color-primary-light: #1e3a5f;
            --color-accent: #e8b84d;
            --color-accent-hover: #d4a030;
            --color-blue: #3b82f6;
            --color-blue-hover: #2563eb;
            --color-bg: #f8fafc;
            --color-surface: #ffffff;
            --color-text: #1e293b;
            --color-text-muted: #64748b;
            --color-text-light: #94a3b8;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.06), 0 1px 4px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.08), 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 24px 56px rgba(0, 0, 0, 0.12), 0 6px 16px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --header-height: 68px;
            --bottom-nav-height: 60px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.65;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
            padding-bottom: 0;
        }

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

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

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

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

        /* 容器 */
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        @media (min-width: 768px) {
            .container {
                padding-left: 32px;
                padding-right: 32px;
            }
        }
        @media (min-width: 1024px) {
            .container {
                padding-left: 40px;
                padding-right: 40px;
            }
        }

        /* 主导航 - 桌面端 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        @media (min-width: 768px) {
            .header-inner {
                padding: 0 32px;
            }
        }
        @media (min-width: 1024px) {
            .header-inner {
                padding: 0 40px;
            }
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--color-primary);
            letter-spacing: -0.01em;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
        }
        .desktop-nav {
            display: none;
            align-items: center;
            gap: 4px;
        }
        @media (min-width: 768px) {
            .desktop-nav {
                display: flex;
            }
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 0.925rem;
            font-weight: 500;
            color: var(--color-text-muted);
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--color-primary);
            background: rgba(15, 31, 61, 0.04);
        }
        .nav-link.active {
            color: var(--color-blue);
            background: rgba(59, 130, 246, 0.08);
            font-weight: 600;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--color-blue);
            border-radius: 2px;
        }
        .nav-cta {
            display: none;
        }
        @media (min-width: 768px) {
            .nav-cta {
                display: inline-flex;
                align-items: center;
                gap: 6px;
                padding: 10px 20px;
                background: var(--color-blue);
                color: #fff;
                border-radius: 8px;
                font-weight: 600;
                font-size: 0.9rem;
                transition: all var(--transition-fast);
                white-space: nowrap;
                margin-left: 8px;
            }
            .nav-cta:hover {
                background: var(--color-blue-hover);
                box-shadow: 0 4px 14px rgba(59, 130, 246, 0.35);
                transform: translateY(-1px);
            }
        }

        /* 移动端底部Tab导航 */
        .bottom-tab-nav {
            display: flex;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 110;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid var(--color-border-light);
            height: var(--bottom-nav-height);
            box-shadow: 0 -2px 16px rgba(0, 0, 0, 0.06);
            padding-bottom: env(safe-area-inset-bottom, 0);
        }
        @media (min-width: 768px) {
            .bottom-tab-nav {
                display: none;
            }
        }
        .bottom-tab-item {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 4px;
            color: var(--color-text-muted);
            font-size: 0.7rem;
            font-weight: 500;
            transition: color var(--transition-fast);
            -webkit-tap-highlight-color: transparent;
            user-select: none;
        }
        .bottom-tab-item i {
            font-size: 1.25rem;
            transition: transform var(--transition-fast);
        }
        .bottom-tab-item.active {
            color: var(--color-blue);
            font-weight: 600;
        }
        .bottom-tab-item.active i {
            transform: scale(1.1);
        }
        .bottom-tab-item:active {
            color: var(--color-blue);
        }

        /* 页面主体底部留白（移动端） */
        @media (max-width: 767px) {
            body {
                padding-bottom: var(--bottom-nav-height);
            }
        }

        /* Hero 板块 */
        .hero-section {
            position: relative;
            background: linear-gradient(160deg, #0a1628 0%, #0f1f3d 30%, #1a2d4a 60%, #0f1f3d 100%);
            color: #fff;
            min-height: 520px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .hero-bg-overlay {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
            pointer-events: none;
        }
        .hero-glow {
            position: absolute;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            filter: blur(120px);
            opacity: 0.12;
            pointer-events: none;
        }
        .hero-glow.top-right {
            top: -200px;
            right: -150px;
            background: #3b82f6;
        }
        .hero-glow.bottom-left {
            bottom: -200px;
            left: -150px;
            background: #e8b84d;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            padding: 60px 0;
            width: 100%;
        }
        @media (min-width: 768px) {
            .hero-content {
                padding: 80px 0;
            }
        }
        @media (min-width: 1024px) {
            .hero-content {
                padding: 100px 0;
            }
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 50px;
            padding: 8px 18px;
            font-size: 0.85rem;
            font-weight: 500;
            color: #e8b84d;
            letter-spacing: 0.02em;
            margin-bottom: 20px;
            animation: fadeIn 0.6s ease-out forwards;
        }
        .hero-badge .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #e8b84d;
            animation: pulseSoft 2s ease-in-out infinite;
        }
        .hero-title {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            animation: slideUp 0.6s ease-out 0.1s forwards;
            opacity: 0;
        }
        @media (min-width: 640px) {
            .hero-title {
                font-size: 2.5rem;
            }
        }
        @media (min-width: 1024px) {
            .hero-title {
                font-size: 3.2rem;
            }
        }
        .hero-subtitle {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.7;
            max-width: 600px;
            margin-bottom: 28px;
            animation: slideUp 0.6s ease-out 0.2s forwards;
            opacity: 0;
        }
        @media (min-width: 768px) {
            .hero-subtitle {
                font-size: 1.15rem;
            }
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            animation: slideUp 0.6s ease-out 0.3s forwards;
            opacity: 0;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            background: var(--color-accent);
            color: #0f1f3d;
            border-radius: 10px;
            font-weight: 700;
            font-size: 0.95rem;
            transition: all var(--transition);
            box-shadow: 0 4px 16px rgba(232, 184, 77, 0.3);
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 8px 28px rgba(232, 184, 77, 0.45);
            transform: translateY(-2px);
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.35);
            border-radius: 10px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }

        /* 板块通用 */
        .section {
            padding: 56px 0;
        }
        @media (min-width: 768px) {
            .section {
                padding: 72px 0;
            }
        }
        @media (min-width: 1024px) {
            .section {
                padding: 88px 0;
            }
        }
        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }
        @media (min-width: 768px) {
            .section-header {
                margin-bottom: 52px;
            }
        }
        .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--color-blue);
            background: rgba(59, 130, 246, 0.08);
            padding: 6px 14px;
            border-radius: 50px;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.01em;
            line-height: 1.3;
        }
        @media (min-width: 768px) {
            .section-title {
                font-size: 2rem;
            }
        }
        .section-desc {
            font-size: 0.95rem;
            color: var(--color-text-muted);
            margin-top: 10px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }

        /* 卡片网格 */
        .card-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }
        @media (min-width: 640px) {
            .card-grid.cols-2 {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-grid.cols-3 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .card-grid.cols-3 {
                grid-template-columns: repeat(3, 1fr);
            }
            .card-grid.cols-4 {
                grid-template-columns: repeat(4, 1fr);
            }
        }
        @media (min-width: 768px) {
            .card-grid.cols-4 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .card-grid.cols-4 {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        /* 卡片组件 */
        .card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #e2e8f0;
        }
        .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .card:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(15, 31, 61, 0.85);
            color: #e8b84d;
            font-size: 0.72rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 4px;
            letter-spacing: 0.03em;
        }
        .card-body {
            padding: 18px 16px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        @media (min-width: 768px) {
            .card-body {
                padding: 20px 20px 24px;
            }
        }
        .card-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.4;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-desc {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.55;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 12px;
            font-size: 0.78rem;
            color: var(--color-text-light);
        }
        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-top: 14px;
            font-weight: 600;
            font-size: 0.88rem;
            color: var(--color-blue);
            transition: gap var(--transition-fast);
        }
        .card-link:hover {
            gap: 8px;
        }

        /* 统计数字 */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            text-align: center;
        }
        @media (min-width: 640px) {
            .stats-row {
                grid-template-columns: repeat(4, 1fr);
                gap: 20px;
            }
        }
        .stat-item {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 24px 16px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition);
        }
        .stat-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            line-height: 1;
        }
        @media (min-width: 768px) {
            .stat-number {
                font-size: 2.5rem;
            }
        }
        .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-top: 6px;
            font-weight: 500;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 760px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--color-surface);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-primary);
            text-align: left;
            background: none;
            border: none;
            cursor: pointer;
            transition: color var(--transition-fast);
            gap: 12px;
        }
        .faq-question:hover {
            color: var(--color-blue);
        }
        .faq-icon {
            flex-shrink: 0;
            font-size: 0.8rem;
            color: var(--color-text-muted);
            transition: transform var(--transition);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 20px;
            font-size: 0.88rem;
            color: var(--color-text-muted);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }
        .faq-item.open .faq-icon {
            transform: rotate(180deg);
            color: var(--color-blue);
        }

        /* CTA板块 */
        .cta-section {
            background: linear-gradient(150deg, #0f1f3d 0%, #1a2d4a 50%, #0f1f3d 100%);
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-glow {
            position: absolute;
            width: 350px;
            height: 350px;
            border-radius: 50%;
            filter: blur(100px);
            opacity: 0.1;
            pointer-events: none;
            background: #e8b84d;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }
        .cta-title {
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
        }
        @media (min-width: 768px) {
            .cta-title {
                font-size: 1.9rem;
            }
        }
        .cta-desc {
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 24px;
            font-size: 0.95rem;
            line-height: 1.6;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        /* 页脚 */
        .site-footer {
            background: #0a1628;
            color: rgba(255, 255, 255, 0.7);
            padding: 40px 0 24px;
            font-size: 0.85rem;
            line-height: 1.7;
        }
        @media (min-width: 768px) {
            .site-footer {
                padding: 52px 0 28px;
            }
        }
        @media (max-width: 767px) {
            .site-footer {
                padding-bottom: 80px;
            }
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 28px;
        }
        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (min-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1.4fr 1fr 1fr;
            }
        }
        .footer-brand-name {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .footer-links-group h4 {
            font-size: 0.85rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.03em;
            text-transform: uppercase;
        }
        .footer-links-group a {
            display: block;
            color: rgba(255, 255, 255, 0.55);
            padding: 3px 0;
            transition: color var(--transition-fast);
            font-size: 0.85rem;
        }
        .footer-links-group a:hover {
            color: #e8b84d;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 28px;
            padding-top: 20px;
            text-align: center;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* 分隔区块 */
        .divider {
            border: none;
            height: 1px;
            background: var(--color-border-light);
            margin: 0;
        }

        /* 标签列表 */
        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .tag-item {
            display: inline-block;
            padding: 5px 12px;
            background: rgba(59, 130, 246, 0.06);
            color: var(--color-blue);
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .tag-item:hover {
            background: rgba(59, 130, 246, 0.14);
        }

        /* 特色卡片 */
        .feature-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            border: 1px solid var(--color-border-light);
            text-align: center;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .feature-icon.blue {
            background: rgba(59, 130, 246, 0.1);
            color: #3b82f6;
        }
        .feature-icon.gold {
            background: rgba(232, 184, 77, 0.15);
            color: #d4a030;
        }
        .feature-icon.green {
            background: rgba(34, 197, 94, 0.1);
            color: #22c55e;
        }
        .feature-card h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
        }
        .feature-card p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.55;
        }

        /* 空状态 */
        .empty-state {
            text-align: center;
            padding: 40px 20px;
            color: var(--color-text-muted);
            font-size: 0.9rem;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px dashed var(--color-border);
        }

/* roulang page: category1 */
:root {
            --color-primary: #1a5fdc;
            --color-primary-dark: #1349b0;
            --color-primary-light: #e8f0fe;
            --color-accent: #f59e0b;
            --color-accent-dark: #d97706;
            --color-bg: #f8fafc;
            --color-surface: #ffffff;
            --color-text: #1e293b;
            --color-text-soft: #64748b;
            --color-text-muted: #94a3b8;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --color-danger: #ef4444;
            --color-success: #10b981;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 12px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.04);
            --shadow-lg: 0 12px 32px rgba(0,0,0,0.10), 0 4px 8px rgba(0,0,0,0.05);
            --shadow-xl: 0 20px 48px rgba(0,0,0,0.12), 0 8px 16px rgba(0,0,0,0.06);
            --max-width: 1200px;
            --header-height: 68px;
            --bottom-tab-height: 60px;
        }
        *,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
        html{scroll-behavior:smooth;font-size:16px;}
        body{
            font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
            line-height:1.65;
            color:var(--color-text);
            background:var(--color-bg);
            min-height:100vh;
            -webkit-font-smoothing:antialiased;
            -moz-osx-font-smoothing:grayscale;
            padding-bottom:0;
        }
        a{text-decoration:none;color:inherit;transition:color 0.2s;}
        img{max-width:100%;height:auto;display:block;}
        button,input,select{font-family:inherit;font-size:inherit;}
        ul,ol{list-style:none;}

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

        /* Header */
        .site-header{
            position:sticky;top:0;z-index:100;
            background:var(--color-surface);
            border-bottom:1px solid var(--color-border);
            box-shadow:var(--shadow-sm);
            height:var(--header-height);
        }
        .header-inner{
            max-width:var(--max-width);
            margin:0 auto;
            padding:0 20px;
            display:flex;
            align-items:center;
            justify-content:space-between;
            height:100%;
        }
        .logo-link{
            display:flex;
            align-items:center;
            gap:9px;
            font-size:1.35rem;
            font-weight:700;
            color:var(--color-primary);
            letter-spacing:-0.01em;
            white-space:nowrap;
            flex-shrink:0;
        }
        .logo-link:hover{color:var(--color-primary-dark);}
        .logo-icon{
            width:36px;height:36px;
            border-radius:var(--radius-sm);
            background:var(--color-primary);
            color:#fff;
            display:flex;
            align-items:center;
            justify-content:center;
            font-size:1rem;
        }
        .desktop-nav{
            display:flex;
            align-items:center;
            gap:6px;
        }
        .nav-link{
            display:inline-flex;
            align-items:center;
            padding:8px 18px;
            border-radius:var(--radius-sm);
            font-weight:500;
            font-size:0.95rem;
            color:var(--color-text-soft);
            transition:all 0.2s;
            white-space:nowrap;
        }
        .nav-link:hover{color:var(--color-primary);background:var(--color-primary-light);}
        .nav-link.active{color:var(--color-primary);background:var(--color-primary-light);font-weight:600;}
        .nav-cta{
            display:inline-flex;
            align-items:center;
            gap:6px;
            padding:9px 20px;
            border-radius:var(--radius-sm);
            font-weight:600;
            font-size:0.9rem;
            color:#fff;
            background:var(--color-primary);
            white-space:nowrap;
            transition:all 0.25s;
            margin-left:8px;
        }
        .nav-cta:hover{background:var(--color-primary-dark);box-shadow:var(--shadow-md);transform:translateY(-1px);color:#fff;}

        /* 面包屑 */
        .breadcrumb-bar{
            background:var(--color-surface);
            border-bottom:1px solid var(--color-border-light);
            padding:10px 0;
        }
        .breadcrumb{
            display:flex;
            align-items:center;
            gap:8px;
            font-size:0.875rem;
            color:var(--color-text-soft);
            flex-wrap:wrap;
        }
        .breadcrumb a{color:var(--color-text-soft);}
        .breadcrumb a:hover{color:var(--color-primary);}
        .breadcrumb .sep{color:var(--color-text-muted);font-size:0.7rem;}
        .breadcrumb .current{color:var(--color-text);font-weight:500;}

        /* 分类Banner */
        .category-banner{
            position:relative;
            background:linear-gradient(135deg, #0f172a 0%, #1e3a5f 40%, #1a5fdc 100%);
            padding:50px 0;
            color:#fff;
            overflow:hidden;
        }
        .category-banner::before{
            content:'';
            position:absolute;
            inset:0;
            background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity:0.18;
            z-index:0;
        }
        .category-banner .container{position:relative;z-index:1;}
        .category-banner-inner{
            display:flex;
            align-items:center;
            gap:32px;
            flex-wrap:wrap;
        }
        .category-banner-icon{
            width:72px;height:72px;
            border-radius:var(--radius-lg);
            background:rgba(255,255,255,0.15);
            backdrop-filter:blur(8px);
            display:flex;
            align-items:center;
            justify-content:center;
            font-size:2rem;
            flex-shrink:0;
            border:1px solid rgba(255,255,255,0.2);
        }
        .category-banner-text h1{
            font-size:2rem;
            font-weight:700;
            letter-spacing:-0.02em;
            margin-bottom:6px;
        }
        .category-banner-text p{
            font-size:1rem;
            opacity:0.85;
            max-width:600px;
            line-height:1.6;
        }
        .category-banner-stats{
            display:flex;
            gap:28px;
            margin-top:14px;
            flex-wrap:wrap;
        }
        .category-stat{
            display:flex;
            align-items:center;
            gap:7px;
            font-size:0.9rem;
            opacity:0.9;
        }
        .category-stat strong{font-size:1.3rem;font-weight:700;}

        /* 主内容区 */
        .main-content{
            padding:40px 0 60px;
        }
        .content-layout{
            display:grid;
            grid-template-columns:1fr 340px;
            gap:32px;
            align-items:start;
        }

        /* 文章列表 */
        .articles-section{}
        .section-header{
            display:flex;
            align-items:center;
            justify-content:space-between;
            margin-bottom:20px;
            flex-wrap:wrap;
            gap:12px;
        }
        .section-header h2{
            font-size:1.35rem;
            font-weight:700;
            color:var(--color-text);
            display:flex;
            align-items:center;
            gap:8px;
        }
        .section-header h2 .count-badge{
            font-size:0.8rem;
            font-weight:500;
            color:var(--color-text-soft);
            background:var(--color-border-light);
            padding:3px 10px;
            border-radius:20px;
        }
        .sort-tabs{
            display:flex;
            gap:4px;
            background:var(--color-border-light);
            border-radius:var(--radius-sm);
            padding:3px;
        }
        .sort-tab{
            padding:7px 16px;
            border-radius:6px;
            font-size:0.85rem;
            font-weight:500;
            color:var(--color-text-soft);
            cursor:pointer;
            transition:all 0.2s;
            border:none;
            background:transparent;
        }
        .sort-tab.active,.sort-tab:hover{background:var(--color-surface);color:var(--color-primary);box-shadow:var(--shadow-sm);}

        .articles-grid{
            display:grid;
            grid-template-columns:repeat(2,1fr);
            gap:20px;
        }
        .article-card{
            background:var(--color-surface);
            border-radius:var(--radius-lg);
            overflow:hidden;
            box-shadow:var(--shadow-sm);
            transition:all 0.3s;
            border:1px solid var(--color-border-light);
            display:flex;
            flex-direction:column;
        }
        .article-card:hover{
            box-shadow:var(--shadow-lg);
            transform:translateY(-3px);
            border-color:var(--color-border);
        }
        .article-card-img-wrap{
            position:relative;
            overflow:hidden;
            aspect-ratio:16/10;
            background:#e2e8f0;
        }
        .article-card-img-wrap img{
            width:100%;
            height:100%;
            object-fit:cover;
            transition:transform 0.4s;
        }
        .article-card:hover .article-card-img-wrap img{transform:scale(1.04);}
        .article-card-tag{
            position:absolute;
            top:12px;
            left:12px;
            background:var(--color-primary);
            color:#fff;
            font-size:0.75rem;
            font-weight:600;
            padding:4px 10px;
            border-radius:4px;
            z-index:2;
            letter-spacing:0.02em;
        }
        .article-card-tag.hot{background:var(--color-danger);}
        .article-card-body{
            padding:16px 18px 18px;
            flex:1;
            display:flex;
            flex-direction:column;
        }
        .article-card-body h3{
            font-size:1.05rem;
            font-weight:600;
            line-height:1.45;
            margin-bottom:8px;
            color:var(--color-text);
            display:-webkit-box;
            -webkit-line-clamp:2;
            -webkit-box-orient:vertical;
            overflow:hidden;
        }
        .article-card-body h3 a{color:inherit;}
        .article-card-body h3 a:hover{color:var(--color-primary);}
        .article-card-excerpt{
            font-size:0.875rem;
            color:var(--color-text-soft);
            line-height:1.6;
            display:-webkit-box;
            -webkit-line-clamp:2;
            -webkit-box-orient:vertical;
            overflow:hidden;
            flex:1;
            margin-bottom:10px;
        }
        .article-card-meta{
            font-size:0.8rem;
            color:var(--color-text-muted);
            display:flex;
            align-items:center;
            gap:12px;
        }

        /* 侧边栏 */
        .sidebar{
            display:flex;
            flex-direction:column;
            gap:24px;
            position:sticky;
            top:calc(var(--header-height) + 20px);
        }
        .sidebar-card{
            background:var(--color-surface);
            border-radius:var(--radius-lg);
            padding:20px;
            box-shadow:var(--shadow-sm);
            border:1px solid var(--color-border-light);
        }
        .sidebar-card h4{
            font-size:1rem;
            font-weight:700;
            margin-bottom:14px;
            color:var(--color-text);
            display:flex;
            align-items:center;
            gap:7px;
        }
        .sidebar-card h4::before{
            content:'';
            width:4px;height:18px;
            border-radius:2px;
            background:var(--color-primary);
        }
        .hot-tag-cloud{
            display:flex;
            flex-wrap:wrap;
            gap:8px;
        }
        .hot-tag{
            display:inline-block;
            padding:6px 14px;
            border-radius:20px;
            font-size:0.82rem;
            font-weight:500;
            background:var(--color-primary-light);
            color:var(--color-primary);
            transition:all 0.2s;
        }
        .hot-tag:hover{background:var(--color-primary);color:#fff;}
        .sidebar-article-list{}
        .sidebar-article-item{
            display:flex;
            gap:10px;
            padding:10px 0;
            border-bottom:1px solid var(--color-border-light);
        }
        .sidebar-article-item:last-child{border-bottom:none;}
        .sidebar-article-thumb{
            width:64px;height:48px;
            border-radius:var(--radius-sm);
            overflow:hidden;
            flex-shrink:0;
            background:#e2e8f0;
        }
        .sidebar-article-thumb img{width:100%;height:100%;object-fit:cover;}
        .sidebar-article-info{flex:1;min-width:0;}
        .sidebar-article-info .sa-title{
            font-size:0.85rem;
            font-weight:500;
            line-height:1.4;
            color:var(--color-text);
            display:-webkit-box;
            -webkit-line-clamp:2;
            -webkit-box-orient:vertical;
            overflow:hidden;
        }
        .sidebar-article-info .sa-title:hover{color:var(--color-primary);}
        .sidebar-article-info .sa-date{font-size:0.75rem;color:var(--color-text-muted);margin-top:4px;}
        .subscribe-box{
            background:linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
            color:#fff;
            border:none;
            border-radius:var(--radius-lg);
            padding:22px;
        }
        .subscribe-box h4{color:#fff;margin-bottom:8px;}
        .subscribe-box h4::before{background:#fff;}
        .subscribe-box p{font-size:0.85rem;opacity:0.9;margin-bottom:14px;}
        .subscribe-input-wrap{
            display:flex;
            gap:0;
            border-radius:var(--radius-sm);
            overflow:hidden;
        }
        .subscribe-input-wrap input{
            flex:1;
            padding:10px 14px;
            border:none;
            outline:none;
            font-size:0.85rem;
            background:rgba(255,255,255,0.95);
            color:var(--color-text);
            min-width:0;
        }
        .subscribe-input-wrap button{
            padding:10px 16px;
            border:none;
            background:var(--color-accent);
            color:#fff;
            font-weight:600;
            font-size:0.85rem;
            cursor:pointer;
            transition:background 0.2s;
            white-space:nowrap;
        }
        .subscribe-input-wrap button:hover{background:var(--color-accent-dark);}

        /* 热门排行区块 */
        .ranking-section{
            padding:50px 0;
            background:var(--color-surface);
            border-top:1px solid var(--color-border-light);
            border-bottom:1px solid var(--color-border-light);
        }
        .ranking-section h2{
            font-size:1.4rem;
            font-weight:700;
            margin-bottom:24px;
            display:flex;
            align-items:center;
            gap:10px;
        }
        .ranking-list{
            display:flex;
            flex-direction:column;
            gap:12px;
            max-width:800px;
        }
        .ranking-item{
            display:flex;
            align-items:center;
            gap:16px;
            padding:14px 18px;
            background:var(--color-bg);
            border-radius:var(--radius-md);
            transition:all 0.25s;
            border:1px solid transparent;
        }
        .ranking-item:hover{
            box-shadow:var(--shadow-md);
            border-color:var(--color-border);
            background:var(--color-surface);
        }
        .ranking-num{
            width:40px;height:40px;
            border-radius:50%;
            display:flex;
            align-items:center;
            justify-content:center;
            font-weight:700;
            font-size:1.1rem;
            flex-shrink:0;
            background:var(--color-border-light);
            color:var(--color-text-soft);
        }
        .ranking-item:nth-child(1) .ranking-num{background:#fbbf24;color:#fff;}
        .ranking-item:nth-child(2) .ranking-num{background:#94a3b8;color:#fff;}
        .ranking-item:nth-child(3) .ranking-num{background:#d4a574;color:#fff;}
        .ranking-info{flex:1;min-width:0;}
        .ranking-info .ri-title{font-weight:600;font-size:0.95rem;color:var(--color-text);}
        .ranking-info .ri-meta{font-size:0.8rem;color:var(--color-text-muted);margin-top:3px;}
        .ranking-tag{
            font-size:0.75rem;
            padding:4px 10px;
            border-radius:4px;
            background:var(--color-primary-light);
            color:var(--color-primary);
            font-weight:500;
            flex-shrink:0;
        }

        /* 分页 */
        .pagination-wrap{
            margin-top:32px;
            display:flex;
            justify-content:center;
        }
        .pagination{
            display:flex;
            gap:6px;
            align-items:center;
        }
        .page-btn{
            width:40px;height:40px;
            border-radius:var(--radius-sm);
            display:flex;
            align-items:center;
            justify-content:center;
            font-weight:500;
            font-size:0.9rem;
            border:1px solid var(--color-border);
            background:var(--color-surface);
            color:var(--color-text);
            cursor:pointer;
            transition:all 0.2s;
        }
        .page-btn:hover{background:var(--color-primary-light);color:var(--color-primary);border-color:var(--color-primary);}
        .page-btn.active{background:var(--color-primary);color:#fff;border-color:var(--color-primary);font-weight:600;}
        .page-btn.disabled{opacity:0.4;pointer-events:none;}

        /* CTA区域 */
        .cta-section{
            padding:60px 0;
            background:linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%);
            color:#fff;
            text-align:center;
        }
        .cta-section h2{font-size:1.8rem;font-weight:700;margin-bottom:12px;}
        .cta-section p{font-size:1rem;opacity:0.85;max-width:550px;margin:0 auto 24px;line-height:1.6;}
        .cta-btn{
            display:inline-flex;
            align-items:center;
            gap:8px;
            padding:13px 32px;
            border-radius:var(--radius-sm);
            font-weight:600;
            font-size:1rem;
            background:var(--color-accent);
            color:#fff;
            transition:all 0.3s;
            border:none;
            cursor:pointer;
        }
        .cta-btn:hover{background:var(--color-accent-dark);box-shadow:var(--shadow-lg);transform:translateY(-2px);}

        /* FAQ */
        .faq-section{
            padding:56px 0;
            background:var(--color-bg);
        }
        .faq-section h2{
            font-size:1.4rem;
            font-weight:700;
            text-align:center;
            margin-bottom:32px;
        }
        .faq-list{
            max-width:750px;
            margin:0 auto;
            display:flex;
            flex-direction:column;
            gap:12px;
        }
        .faq-item{
            background:var(--color-surface);
            border-radius:var(--radius-md);
            padding:18px 22px;
            box-shadow:var(--shadow-sm);
            border:1px solid var(--color-border-light);
            transition:all 0.2s;
        }
        .faq-item:hover{box-shadow:var(--shadow-md);}
        .faq-q{
            font-weight:600;
            font-size:1rem;
            color:var(--color-text);
            cursor:pointer;
            display:flex;
            align-items:center;
            justify-content:space-between;
            gap:12px;
        }
        .faq-q .faq-icon{font-size:0.8rem;color:var(--color-primary);transition:transform 0.3s;}
        .faq-a{
            font-size:0.9rem;
            color:var(--color-text-soft);
            line-height:1.65;
            margin-top:10px;
            display:none;
        }
        .faq-item.open .faq-a{display:block;}
        .faq-item.open .faq-icon{transform:rotate(45deg);}

        /* Footer */
        .site-footer{
            background:#1e293b;
            color:#cbd5e1;
            padding:48px 0 28px;
        }
        .footer-grid{
            display:grid;
            grid-template-columns:1.5fr 1fr 1fr;
            gap:40px;
            margin-bottom:32px;
        }
        .footer-brand-name{
            font-size:1.2rem;
            font-weight:700;
            color:#fff;
            margin-bottom:10px;
        }
        .footer-links-group h4{
            font-size:0.95rem;
            font-weight:600;
            color:#e2e8f0;
            margin-bottom:12px;
        }
        .footer-links-group a{
            display:block;
            padding:4px 0;
            font-size:0.875rem;
            color:#94a3b8;
            transition:color 0.2s;
        }
        .footer-links-group a:hover{color:#fff;}
        .tag-list{display:flex;flex-wrap:wrap;gap:7px;}
        .tag-item{
            padding:5px 12px;
            border-radius:20px;
            font-size:0.78rem;
            background:rgba(255,255,255,0.08);
            color:#cbd5e1;
        }
        .footer-bottom{
            border-top:1px solid rgba(255,255,255,0.1);
            padding-top:18px;
            font-size:0.8rem;
            color:#64748b;
            text-align:center;
        }

        /* 移动端底部Tab导航 */
        .bottom-tab-nav{
            display:none;
            position:fixed;
            bottom:0;
            left:0;
            right:0;
            z-index:99;
            background:var(--color-surface);
            border-top:1px solid var(--color-border);
            box-shadow:0 -2px 12px rgba(0,0,0,0.08);
            height:var(--bottom-tab-height);
        }
        .bottom-tab-inner{
            display:flex;
            align-items:center;
            justify-content:space-around;
            height:100%;
            max-width:500px;
            margin:0 auto;
            padding:0 8px;
        }
        .bottom-tab-item{
            display:flex;
            flex-direction:column;
            align-items:center;
            justify-content:center;
            gap:3px;
            font-size:0.68rem;
            color:var(--color-text-muted);
            padding:6px 12px;
            border-radius:var(--radius-sm);
            transition:all 0.2s;
            text-align:center;
            min-width:56px;
            cursor:pointer;
            border:none;
            background:transparent;
        }
        .bottom-tab-item i{font-size:1.15rem;}
        .bottom-tab-item.active{color:var(--color-primary);font-weight:600;}
        .bottom-tab-item:hover{color:var(--color-primary);}

        /* 响应式 */
        @media(max-width:1024px){
            .content-layout{grid-template-columns:1fr;gap:28px;}
            .sidebar{position:static;flex-direction:row;flex-wrap:wrap;gap:16px;}
            .sidebar-card{flex:1;min-width:260px;}
            .articles-grid{grid-template-columns:repeat(2,1fr);}
        }
        @media(max-width:768px){
            :root{--header-height:56px;}
            .desktop-nav{display:none !important;}
            .header-inner{justify-content:center;}
            .logo-link{font-size:1.15rem;}
            .logo-icon{width:30px;height:30px;font-size:0.85rem;}
            .category-banner{padding:32px 0;}
            .category-banner-icon{width:50px;height:50px;font-size:1.4rem;}
            .category-banner-text h1{font-size:1.4rem;}
            .category-banner-stats{gap:16px;}
            .articles-grid{grid-template-columns:1fr;gap:14px;}
            .section-header{flex-direction:column;align-items:flex-start;}
            .sort-tabs{width:100%;justify-content:stretch;}
            .sort-tab{flex:1;text-align:center;}
            .footer-grid{grid-template-columns:1fr;gap:24px;}
            .sidebar{flex-direction:column;}
            .sidebar-card{min-width:auto;}
            .ranking-list{gap:8px;}
            .ranking-item{padding:10px 14px;gap:10px;}
            .ranking-num{width:32px;height:32px;font-size:0.9rem;}
            .cta-section{padding:40px 16px;}
            .cta-section h2{font-size:1.4rem;}
            .faq-section{padding:36px 0;}
            .faq-item{padding:14px 16px;}
            .pagination{gap:4px;}
            .page-btn{width:36px;height:36px;font-size:0.8rem;}
            body{padding-bottom:var(--bottom-tab-height);}
            .bottom-tab-nav{display:block;}
            .site-footer{padding-bottom:calc(28px + var(--bottom-tab-height));}
        }
        @media(max-width:520px){
            .container{padding:0 12px;}
            .category-banner{padding:24px 0;}
            .category-banner-inner{gap:14px;}
            .category-banner-text h1{font-size:1.2rem;}
            .category-banner-stats{flex-wrap:wrap;gap:10px;}
            .category-stat{font-size:0.78rem;}
            .category-stat strong{font-size:1rem;}
            .articles-grid{gap:10px;}
            .article-card-body{padding:12px 14px 14px;}
            .article-card-body h3{font-size:0.95rem;}
            .section-header h2{font-size:1.15rem;}
            .ranking-item{flex-wrap:wrap;}
            .breadcrumb{font-size:0.78rem;}
        }

/* roulang page: article */
:root {
            --color-primary: #0f1d3d;
            --color-primary-light: #1a3059;
            --color-accent: #e8b830;
            --color-accent-light: #f5d060;
            --color-accent-glow: rgba(232, 184, 48, 0.15);
            --color-surface: #ffffff;
            --color-bg: #f4f5f7;
            --color-bg-alt: #eef0f4;
            --color-text: #1a1a2e;
            --color-text-strong: #0d1117;
            --color-text-weak: #6b7280;
            --color-text-muted: #9ca3af;
            --color-border: #e0e2e7;
            --color-border-light: #eef0f3;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.12);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
            --max-width: 1200px;
            --max-width-article: 820px;
            --header-height: 64px;
            --bottom-tab-height: 60px;
            --transition-fast: 0.18s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s ease;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            line-height: 1.65;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            padding-bottom: 0;
            display: flex;
            flex-direction: column;
        }

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

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

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

        input {
            font-family: inherit;
            outline: none;
        }

        ul,
        ol {
            list-style: none;
        }

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

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

        /* ========== HEADER ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--color-primary);
            height: var(--header-height);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.18);
            display: flex;
            align-items: center;
        }

        .header-inner {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #ffffff;
            font-weight: 700;
            font-size: 1.25rem;
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: opacity var(--transition-fast);
        }

        .logo-link:hover {
            opacity: 0.88;
        }

        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: var(--color-accent);
            color: var(--color-primary);
            font-size: 1rem;
            flex-shrink: 0;
        }

        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            color: rgba(255, 255, 255, 0.82);
            font-weight: 500;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-link:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.08);
        }

        .nav-link.active {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.12);
            font-weight: 600;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 3px;
            background: var(--color-accent);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 20px;
            border-radius: 50px;
            background: var(--color-accent);
            color: var(--color-primary);
            font-weight: 700;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition-base);
            margin-left: 6px;
        }

        .nav-cta:hover {
            background: var(--color-accent-light);
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(232, 184, 48, 0.35);
            color: var(--color-primary);
        }

        .nav-cta:active {
            transform: scale(0.97);
        }

        /* ========== BOTTOM TAB NAV (Mobile) ========== */
        .bottom-tab-nav {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 99;
            background: #ffffff;
            border-top: 1px solid var(--color-border);
            box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.07);
            height: var(--bottom-tab-height);
            padding-bottom: env(safe-area-inset-bottom, 0);
        }

        .bottom-tab-inner {
            display: flex;
            align-items: center;
            justify-content: space-around;
            height: 100%;
            max-width: 500px;
            margin: 0 auto;
        }

        .bottom-tab-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 3px;
            flex: 1;
            height: 100%;
            color: var(--color-text-weak);
            font-size: 0.7rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            position: relative;
        }

        .bottom-tab-item i {
            font-size: 1.25rem;
            transition: all var(--transition-fast);
        }

        .bottom-tab-item.active {
            color: var(--color-primary);
            font-weight: 700;
        }

        .bottom-tab-item.active i {
            color: var(--color-accent);
        }

        .bottom-tab-item.active::before {
            content: '';
            position: absolute;
            top: 0;
            left: 20%;
            right: 20%;
            height: 3px;
            border-radius: 0 0 3px 3px;
            background: var(--color-accent);
        }

        .bottom-tab-item:hover {
            color: var(--color-primary);
        }

        .bottom-tab-cta {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 3px;
            flex: 1;
            height: 100%;
            color: var(--color-accent);
            font-size: 0.7rem;
            font-weight: 700;
            transition: all var(--transition-fast);
            padding: 4px 8px;
            border-radius: var(--radius-sm);
        }

        .bottom-tab-cta i {
            font-size: 1.35rem;
        }

        .bottom-tab-cta:hover {
            color: #c99a20;
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-section {
            background: #ffffff;
            border-bottom: 1px solid var(--color-border-light);
            padding: 14px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 0.88rem;
            color: var(--color-text-weak);
        }

        .breadcrumb a {
            color: var(--color-text-weak);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--color-primary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .breadcrumb .separator {
            color: var(--color-text-muted);
            font-size: 0.7rem;
            margin: 0 2px;
        }

        .breadcrumb .current {
            color: var(--color-text-strong);
            font-weight: 600;
            pointer-events: none;
        }

        /* ========== ARTICLE MAIN ========== */
        .article-main {
            flex: 1;
            padding: 40px 0 60px;
            background: #ffffff;
        }

        .article-header {
            margin-bottom: 28px;
        }

        .article-category-tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 5px 14px;
            border-radius: 50px;
            background: var(--color-accent-glow);
            color: #b8901e;
            font-weight: 600;
            font-size: 0.82rem;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .article-category-tag i {
            font-size: 0.7rem;
        }

        .article-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-text-strong);
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            color: var(--color-text-weak);
            font-size: 0.9rem;
            padding-bottom: 20px;
            border-bottom: 1px solid var(--color-border-light);
        }

        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .article-meta i {
            font-size: 0.85rem;
            color: var(--color-text-muted);
        }

        .article-featured-image {
            margin: 28px 0 32px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            aspect-ratio: 16 / 9;
            background: var(--color-bg-alt);
        }

        .article-featured-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .article-featured-image:hover img {
            transform: scale(1.02);
        }

        .article-content {
            font-size: 1.08rem;
            line-height: 1.85;
            color: var(--color-text);
            word-break: break-word;
        }

        .article-content h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-text-strong);
            margin: 36px 0 16px;
            padding-left: 16px;
            border-left: 4px solid var(--color-accent);
            line-height: 1.3;
        }

        .article-content h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-text-strong);
            margin: 28px 0 12px;
            line-height: 1.35;
        }

        .article-content p {
            margin-bottom: 16px;
        }

        .article-content ul,
        .article-content ol {
            margin: 16px 0;
            padding-left: 24px;
        }

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

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

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

        .article-content blockquote {
            margin: 24px 0;
            padding: 18px 24px;
            background: var(--color-bg);
            border-left: 4px solid var(--color-primary-light);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            color: var(--color-text-weak);
            font-style: italic;
        }

        .article-content img {
            border-radius: var(--radius-md);
            margin: 20px 0;
            box-shadow: var(--shadow-sm);
        }

        .article-content strong {
            color: var(--color-text-strong);
            font-weight: 700;
        }

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

        .article-content a:hover {
            color: #2563eb;
        }

        /* ========== ARTICLE FOOTER ========== */
        .article-footer-section {
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--color-border-light);
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: space-between;
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            align-items: center;
        }

        .article-tags .tag-label {
            font-size: 0.85rem;
            color: var(--color-text-weak);
            font-weight: 500;
        }

        .article-tag {
            display: inline-block;
            padding: 5px 12px;
            border-radius: 50px;
            background: var(--color-bg);
            color: var(--color-text-weak);
            font-size: 0.8rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            border: 1px solid var(--color-border-light);
        }

        .article-tag:hover {
            background: var(--color-primary);
            color: #ffffff;
            border-color: var(--color-primary);
        }

        .back-to-list {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: 50px;
            background: var(--color-primary);
            color: #ffffff;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-base);
        }

        .back-to-list:hover {
            background: var(--color-primary-light);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
            color: #ffffff;
        }

        /* ========== RELATED POSTS ========== */
        .related-section {
            padding: 48px 0 56px;
            background: var(--color-bg);
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--color-accent);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 8px;
        }

        .section-label i {
            font-size: 0.7rem;
        }

        .section-title {
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--color-text-strong);
            margin-bottom: 28px;
            letter-spacing: -0.01em;
        }

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

        .related-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-xs);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .related-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }

        .related-card-image {
            aspect-ratio: 16 / 10;
            background: var(--color-bg-alt);
            overflow: hidden;
        }

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

        .related-card:hover .related-card-image img {
            transform: scale(1.05);
        }

        .related-card-body {
            padding: 16px 18px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .related-card-category {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--color-accent);
            margin-bottom: 8px;
            letter-spacing: 0.03em;
        }

        .related-card-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-text-strong);
            line-height: 1.4;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card-title a {
            color: inherit;
            transition: color var(--transition-fast);
        }

        .related-card-title a:hover {
            color: var(--color-primary-light);
        }

        .related-card-meta {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-top: auto;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            padding: 64px 0;
            background: var(--color-primary);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 600px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .cta-inner h2 {
            font-size: 1.9rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .cta-inner p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.78);
            margin-bottom: 28px;
            line-height: 1.6;
        }

        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 36px;
            border-radius: 50px;
            background: var(--color-accent);
            color: var(--color-primary);
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
        }

        .cta-btn:hover {
            background: var(--color-accent-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(232, 184, 48, 0.4);
            color: var(--color-primary);
        }

        .cta-btn:active {
            transform: scale(0.96);
        }

        /* ========== NOT FOUND STATE ========== */
        .not-found-state {
            text-align: center;
            padding: 60px 24px;
        }

        .not-found-icon {
            font-size: 4rem;
            color: var(--color-text-muted);
            margin-bottom: 16px;
        }

        .not-found-state h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-text-strong);
            margin-bottom: 8px;
        }

        .not-found-state p {
            color: var(--color-text-weak);
            margin-bottom: 24px;
            font-size: 1rem;
        }

        .not-found-state .back-home-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 12px 28px;
            border-radius: 50px;
            background: var(--color-primary);
            color: #ffffff;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-base);
        }

        .not-found-state .back-home-btn:hover {
            background: var(--color-primary-light);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
            color: #ffffff;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #0a1628;
            color: rgba(255, 255, 255, 0.72);
            padding: 48px 0 28px;
            border-top: 3px solid var(--color-accent);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }

        .footer-brand-name {
            font-size: 1.2rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 10px;
        }

        .footer-links-group h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }

        .footer-links-group a {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            margin-bottom: 8px;
            transition: color var(--transition-fast);
        }

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

        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-item {
            display: inline-block;
            padding: 5px 12px;
            border-radius: 50px;
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.8rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            cursor: default;
        }

        .tag-item:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #ffffff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 18px;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.45);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .article-title {
                font-size: 1.7rem;
            }

            .related-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

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

        @media (max-width: 768px) {
            :root {
                --header-height: 56px;
            }

            .container {
                padding: 0 16px;
            }

            .container-narrow {
                padding: 0 16px;
            }

            .header-inner {
                padding: 0 16px;
            }

            .logo-link {
                font-size: 1.1rem;
                gap: 7px;
            }

            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.85rem;
            }

            .desktop-nav .nav-link {
                font-size: 0.82rem;
                padding: 6px 10px;
            }

            .nav-cta {
                font-size: 0.8rem;
                padding: 7px 14px;
                gap: 4px;
            }

            .article-main {
                padding: 24px 0 40px;
            }

            .article-title {
                font-size: 1.45rem;
            }

            .article-content {
                font-size: 1rem;
                line-height: 1.75;
            }

            .article-content h2 {
                font-size: 1.3rem;
            }

            .article-content h3 {
                font-size: 1.12rem;
            }

            .article-featured-image {
                margin: 20px 0 24px;
                border-radius: var(--radius-md);
            }

            .related-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .related-section {
                padding: 36px 0 40px;
            }

            .section-title {
                font-size: 1.4rem;
            }

            .cta-section {
                padding: 44px 0;
            }

            .cta-inner h2 {
                font-size: 1.5rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .site-footer {
                padding: 36px 0 20px;
            }

            .article-footer-section {
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
            }

            /* Bottom Tab Nav visible */
            .bottom-tab-nav {
                display: block;
            }

            body {
                padding-bottom: calc(var(--bottom-tab-height) + env(safe-area-inset-bottom, 0px));
            }

            .site-footer {
                margin-bottom: 0;
                padding-bottom: calc(20px + var(--bottom-tab-height) + env(safe-area-inset-bottom, 0px));
            }
        }

        @media (max-width: 520px) {
            .desktop-nav .nav-link {
                font-size: 0.76rem;
                padding: 5px 8px;
            }

            .nav-cta {
                font-size: 0.74rem;
                padding: 6px 10px;
                margin-left: 2px;
            }

            .article-title {
                font-size: 1.3rem;
            }

            .article-meta {
                font-size: 0.8rem;
                gap: 10px;
            }

            .article-content {
                font-size: 0.95rem;
                line-height: 1.7;
            }

            .breadcrumb {
                font-size: 0.78rem;
            }

            .cta-inner h2 {
                font-size: 1.3rem;
            }

            .cta-inner p {
                font-size: 0.9rem;
            }

            .cta-btn {
                padding: 12px 26px;
                font-size: 0.9rem;
            }

            .bottom-tab-item {
                font-size: 0.65rem;
            }

            .bottom-tab-item i {
                font-size: 1.1rem;
            }

            .bottom-tab-cta {
                font-size: 0.65rem;
            }

            .bottom-tab-cta i {
                font-size: 1.2rem;
            }
        }

        @media (min-width: 769px) {
            .bottom-tab-nav {
                display: none;
            }
            body {
                padding-bottom: 0;
            }
        }