/* roulang page: index */
:root {
            --primary: #B8860B;
            --primary-dark: #8B6914;
            --primary-light: #D4A843;
            --secondary: #6B3A2A;
            --accent: #CD853F;
            --bg-cream: #F5F0E8;
            --bg-dark: #2D2A24;
            --bg-card: #FAF6EF;
            --text-dark: #3D3028;
            --text-light: #F0E8D8;
            --text-muted: #8A7A6A;
            --border-color: #D4C5A8;
            --border-rusty: #B8860B;
            --shadow-sm: 0 2px 8px rgba(45, 42, 36, 0.08);
            --shadow-md: 0 6px 24px rgba(45, 42, 36, 0.12);
            --shadow-lg: 0 12px 40px rgba(45, 42, 36, 0.16);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --font-serif: 'Noto Serif SC', Georgia, 'Times New Roman', serif;
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --nav-width: 240px;
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-sans);
            background-color: var(--bg-cream);
            color: var(--text-dark);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--primary-dark);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary);
            text-decoration: underline;
        }
        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

        button,
        input,
        textarea {
            font-family: inherit;
            transition: var(--transition);
        }

        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-serif);
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-dark);
        }

        h1 {
            font-size: 2.8rem;
            font-weight: 900;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 2.2rem;
            font-weight: 700;
            letter-spacing: -0.01em;
        }
        h3 {
            font-size: 1.6rem;
            font-weight: 600;
        }
        h4 {
            font-size: 1.25rem;
            font-weight: 600;
        }
        h5 {
            font-size: 1.05rem;
            font-weight: 600;
        }

        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
            margin-left: auto;
            margin-right: auto;
        }

        @media (min-width: 1400px) {
            .container {
                max-width: 1320px;
            }
        }

        /* ===== 左侧导航 ===== */
        .sidebar-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--nav-width);
            height: 100vh;
            background: var(--bg-dark);
            color: var(--text-light);
            display: flex;
            flex-direction: column;
            z-index: 1050;
            padding: 28px 20px;
            box-shadow: 4px 0 20px rgba(0, 0, 0, 0.2);
            border-right: 2px solid var(--border-rusty);
            overflow-y: auto;
        }

        .sidebar-brand {
            font-family: var(--font-serif);
            font-size: 1.4rem;
            font-weight: 900;
            color: var(--primary-light);
            letter-spacing: 0.04em;
            padding-bottom: 16px;
            margin-bottom: 20px;
            border-bottom: 2px solid rgba(212, 168, 67, 0.3);
            display: block;
            text-decoration: none;
            line-height: 1.3;
        }
        .sidebar-brand:hover {
            color: #e8c878;
            text-decoration: none;
        }
        .sidebar-brand small {
            display: block;
            font-size: 0.7rem;
            font-family: var(--font-sans);
            font-weight: 400;
            color: var(--text-muted);
            letter-spacing: 0.1em;
            margin-top: 4px;
        }

        .sidebar-nav-list {
            list-style: none;
            padding: 0;
            margin: 0;
            flex: 1;
        }

        .sidebar-nav-list li {
            margin-bottom: 4px;
        }

        .sidebar-nav-list a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            color: rgba(240, 232, 216, 0.75);
            font-size: 0.95rem;
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            text-decoration: none;
            border-left: 3px solid transparent;
        }
        .sidebar-nav-list a i {
            width: 20px;
            text-align: center;
            font-size: 1.1rem;
            color: var(--accent);
        }
        .sidebar-nav-list a:hover {
            background: rgba(184, 134, 11, 0.15);
            color: var(--primary-light);
            text-decoration: none;
            border-left-color: var(--primary-light);
        }
        .sidebar-nav-list a.active {
            background: rgba(184, 134, 11, 0.2);
            color: var(--primary-light);
            border-left-color: var(--primary);
            font-weight: 600;
        }
        .sidebar-nav-list a.active i {
            color: var(--primary-light);
        }

        .sidebar-footer {
            padding-top: 16px;
            border-top: 1px solid rgba(212, 168, 67, 0.15);
            font-size: 0.75rem;
            color: var(--text-muted);
            text-align: center;
        }

        /* ===== 主内容区 ===== */
        .main-wrapper {
            margin-left: var(--nav-width);
            min-height: 100vh;
        }

        /* ===== 移动端顶部导航 ===== */
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            background: var(--bg-dark);
            padding: 12px 20px;
            border-bottom: 2px solid var(--border-rusty);
            align-items: center;
            justify-content: space-between;
        }
        .mobile-topbar .brand {
            font-family: var(--font-serif);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary-light);
            text-decoration: none;
        }
        .mobile-topbar .brand:hover {
            color: #e8c878;
            text-decoration: none;
        }
        .mobile-menu-btn {
            background: none;
            border: 1px solid rgba(212, 168, 67, 0.3);
            color: var(--primary-light);
            font-size: 1.4rem;
            padding: 6px 12px;
            border-radius: var(--radius-sm);
            cursor: pointer;
        }
        .mobile-menu-btn:hover {
            background: rgba(184, 134, 11, 0.2);
        }

        /* 移动端抽屉菜单 */
        .mobile-drawer {
            position: fixed;
            top: 0;
            left: -300px;
            width: 280px;
            height: 100vh;
            background: var(--bg-dark);
            z-index: 1060;
            padding: 24px 20px;
            transition: left 0.35s ease;
            box-shadow: 4px 0 30px rgba(0, 0, 0, 0.3);
            overflow-y: auto;
            border-right: 2px solid var(--border-rusty);
        }
        .mobile-drawer.open {
            left: 0;
        }
        .mobile-drawer-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1055;
            display: none;
        }
        .mobile-drawer-overlay.show {
            display: block;
        }
        .mobile-drawer .drawer-brand {
            font-family: var(--font-serif);
            font-size: 1.3rem;
            font-weight: 900;
            color: var(--primary-light);
            padding-bottom: 16px;
            margin-bottom: 20px;
            border-bottom: 2px solid rgba(212, 168, 67, 0.3);
            display: block;
            text-decoration: none;
        }
        .mobile-drawer .drawer-brand:hover {
            color: #e8c878;
            text-decoration: none;
        }
        .mobile-drawer .drawer-nav-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .mobile-drawer .drawer-nav-list li {
            margin-bottom: 4px;
        }
        .mobile-drawer .drawer-nav-list a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 16px;
            color: rgba(240, 232, 216, 0.75);
            font-size: 1rem;
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            text-decoration: none;
            border-left: 3px solid transparent;
        }
        .mobile-drawer .drawer-nav-list a i {
            width: 22px;
            text-align: center;
            color: var(--accent);
        }
        .mobile-drawer .drawer-nav-list a:hover {
            background: rgba(184, 134, 11, 0.15);
            color: var(--primary-light);
            border-left-color: var(--primary-light);
        }
        .mobile-drawer .drawer-nav-list a.active {
            background: rgba(184, 134, 11, 0.2);
            color: var(--primary-light);
            border-left-color: var(--primary);
        }
        .drawer-close {
            position: absolute;
            top: 16px;
            right: 16px;
            background: none;
            border: none;
            color: var(--text-muted);
            font-size: 1.5rem;
            cursor: pointer;
        }
        .drawer-close:hover {
            color: var(--primary-light);
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            padding: 100px 0 80px;
            background: var(--bg-dark);
            color: var(--text-light);
            overflow: hidden;
            min-height: 480px;
            display: flex;
            align-items: center;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.35;
            filter: saturate(0.7) sepia(0.3);
        }
        .hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(45, 42, 36, 0.85) 40%, rgba(45, 42, 36, 0.5) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }
        .hero-badge {
            display: inline-block;
            padding: 6px 18px;
            background: rgba(184, 134, 11, 0.25);
            border: 1px solid rgba(212, 168, 67, 0.3);
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 500;
            color: var(--primary-light);
            letter-spacing: 0.06em;
            margin-bottom: 20px;
            font-family: var(--font-sans);
        }
        .hero-section h1 {
            color: var(--text-light);
            margin-bottom: 20px;
            font-size: 3.2rem;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
        }
        .hero-section h1 span {
            color: var(--primary-light);
        }
        .hero-section p {
            font-size: 1.15rem;
            color: rgba(240, 232, 216, 0.85);
            margin-bottom: 32px;
            max-width: 600px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn-retro {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            font-family: var(--font-sans);
            font-weight: 600;
            font-size: 0.95rem;
            border: 2px solid var(--border-rusty);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            cursor: pointer;
            text-decoration: none;
            background: transparent;
            color: var(--text-light);
            letter-spacing: 0.02em;
        }
        .btn-retro:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(184, 134, 11, 0.3);
            text-decoration: none;
        }
        .btn-retro:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(184, 134, 11, 0.2);
        }
        .btn-retro-primary {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 16px rgba(184, 134, 11, 0.25);
        }
        .btn-retro-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            box-shadow: 0 8px 28px rgba(184, 134, 11, 0.35);
        }
        .btn-retro-outline-light {
            border-color: rgba(240, 232, 216, 0.4);
            color: var(--text-light);
        }
        .btn-retro-outline-light:hover {
            background: rgba(240, 232, 216, 0.1);
            border-color: var(--text-light);
        }
        .btn-retro-sm {
            padding: 10px 22px;
            font-size: 0.85rem;
        }

        /* ===== 板块通用 ===== */
        .section-block {
            padding: 72px 0;
            position: relative;
        }
        .section-block-alt {
            background: var(--bg-card);
        }
        .section-block-dark {
            background: var(--bg-dark);
            color: var(--text-light);
        }
        .section-block-dark h2,
        .section-block-dark h3,
        .section-block-dark .section-title {
            color: var(--text-light);
        }

        .section-title {
            font-family: var(--font-serif);
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 560px;
            margin-bottom: 40px;
            font-weight: 400;
        }
        .section-block-dark .section-subtitle {
            color: rgba(240, 232, 216, 0.6);
        }

        .section-divider {
            width: 60px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
            margin-bottom: 20px;
        }
        .section-block-dark .section-divider {
            background: var(--primary-light);
        }

        /* ===== 卡片复古风格 ===== */
        .card-retro {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            overflow: hidden;
            height: 100%;
        }
        .card-retro:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
        }
        .card-retro .card-img-top {
            border-bottom: 2px solid var(--border-color);
            aspect-ratio: 16 / 10;
            object-fit: cover;
            width: 100%;
        }
        .card-retro .card-body {
            padding: 24px 22px;
        }
        .card-retro .card-title {
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: 1.15rem;
            margin-bottom: 10px;
        }
        .card-retro .card-title a {
            color: var(--text-dark);
            text-decoration: none;
        }
        .card-retro .card-title a:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }
        .card-retro .card-text {
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.7;
        }
        .card-retro .card-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 12px;
            padding-top: 12px;
            border-top: 1px solid rgba(212, 197, 168, 0.4);
        }
        .card-retro .card-meta i {
            margin-right: 4px;
            color: var(--accent);
        }

        .card-retro-dark {
            background: rgba(45, 42, 36, 0.6);
            border-color: rgba(212, 168, 67, 0.15);
            color: var(--text-light);
        }
        .card-retro-dark .card-title a {
            color: var(--text-light);
        }
        .card-retro-dark .card-title a:hover {
            color: var(--primary-light);
        }
        .card-retro-dark .card-text {
            color: rgba(240, 232, 216, 0.7);
        }
        .card-retro-dark .card-meta {
            border-top-color: rgba(212, 168, 67, 0.15);
            color: rgba(240, 232, 216, 0.5);
        }

        /* ===== 标签 / 徽章 ===== */
        .badge-retro {
            display: inline-block;
            padding: 4px 14px;
            font-size: 0.75rem;
            font-weight: 500;
            font-family: var(--font-sans);
            border-radius: 30px;
            border: 1px solid var(--border-color);
            background: rgba(184, 134, 11, 0.08);
            color: var(--primary-dark);
            letter-spacing: 0.03em;
            text-transform: none;
        }
        .badge-retro-primary {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .badge-retro-outline {
            background: transparent;
            border-color: var(--border-rusty);
            color: var(--primary-dark);
        }

        /* ===== 特色功能/特点卡 ===== */
        .feature-icon {
            width: 56px;
            height: 56px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(184, 134, 11, 0.1);
            border: 1px solid rgba(184, 134, 11, 0.2);
            border-radius: var(--radius-sm);
            font-size: 1.4rem;
            color: var(--primary-dark);
            margin-bottom: 16px;
            transition: var(--transition);
        }
        .card-retro:hover .feature-icon {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* ===== 流程/步骤 ===== */
        .step-item {
            display: flex;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px dashed rgba(212, 197, 168, 0.4);
        }
        .step-item:last-child {
            border-bottom: none;
        }
        .step-number {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: 1.2rem;
            background: var(--bg-dark);
            color: var(--primary-light);
            border-radius: 50%;
            border: 2px solid var(--border-rusty);
        }
        .step-content h5 {
            margin-bottom: 4px;
        }
        .step-content p {
            color: var(--text-muted);
            font-size: 0.92rem;
            margin-bottom: 0;
        }

        /* ===== FAQ ===== */
        .faq-item {
            border-bottom: 1px solid var(--border-color);
            padding: 18px 0;
        }
        .faq-item:first-child {
            padding-top: 0;
        }
        .faq-question {
            font-weight: 600;
            font-size: 1.05rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            color: var(--text-dark);
            user-select: none;
        }
        .faq-question i {
            color: var(--accent);
            transition: transform 0.3s ease;
            font-size: 1.1rem;
        }
        .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding-top: 12px;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--bg-dark);
            padding: 80px 0;
            text-align: center;
            border-top: 2px solid var(--border-rusty);
            border-bottom: 2px solid var(--border-rusty);
        }
        .cta-section h2 {
            color: var(--text-light);
            font-size: 2.4rem;
        }
        .cta-section p {
            color: rgba(240, 232, 216, 0.7);
            max-width: 520px;
            margin: 16px auto 32px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(240, 232, 216, 0.6);
            padding: 48px 0 32px;
            border-top: 1px solid rgba(212, 168, 67, 0.1);
        }
        .site-footer .footer-brand {
            font-family: var(--font-serif);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--primary-light);
            display: block;
            margin-bottom: 8px;
            text-decoration: none;
        }
        .site-footer .footer-brand:hover {
            color: #e8c878;
            text-decoration: none;
        }
        .site-footer p {
            font-size: 0.88rem;
            color: rgba(240, 232, 216, 0.5);
        }
        .site-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            justify-content: center;
        }
        .site-footer .footer-links a {
            color: rgba(240, 232, 216, 0.6);
            font-size: 0.88rem;
            text-decoration: none;
            transition: var(--transition);
        }
        .site-footer .footer-links a:hover {
            color: var(--primary-light);
        }
        .footer-divider {
            height: 1px;
            background: rgba(212, 168, 67, 0.1);
            margin: 24px 0;
        }
        .footer-copy {
            font-size: 0.8rem;
            color: rgba(240, 232, 216, 0.35);
            text-align: center;
        }

        /* ===== 统计数字 ===== */
        .stat-item {
            text-align: center;
            padding: 16px;
        }
        .stat-number {
            font-family: var(--font-serif);
            font-size: 2.6rem;
            font-weight: 900;
            color: var(--primary);
            line-height: 1.2;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 4px;
        }
        .section-block-dark .stat-number {
            color: var(--primary-light);
        }
        .section-block-dark .stat-label {
            color: rgba(240, 232, 216, 0.6);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991px) {
            .sidebar-nav {
                display: none;
            }
            .main-wrapper {
                margin-left: 0;
                padding-top: 64px;
            }
            .mobile-topbar {
                display: flex;
            }
            .hero-section {
                padding: 60px 0 50px;
                min-height: 380px;
            }
            .hero-section h1 {
                font-size: 2.2rem;
            }
            .hero-section p {
                font-size: 1rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.3rem;
            }
            .section-block {
                padding: 48px 0;
            }
            .cta-section {
                padding: 56px 0;
            }
            .cta-section h2 {
                font-size: 1.8rem;
            }
            .stat-number {
                font-size: 2rem;
            }
        }

        @media (max-width: 767px) {
            .hero-section h1 {
                font-size: 1.8rem;
            }
            .hero-section {
                padding: 40px 0 36px;
                min-height: 320px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-retro {
                justify-content: center;
            }
            h2 {
                font-size: 1.5rem;
            }
            .section-block {
                padding: 36px 0;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 28px;
            }
            .card-retro .card-body {
                padding: 18px 16px;
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .step-item {
                flex-direction: column;
                gap: 12px;
            }
            .step-number {
                width: 36px;
                height: 36px;
                font-size: 1rem;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
            .site-footer .footer-links {
                gap: 8px 16px;
            }
        }

        @media (max-width: 520px) {
            .hero-section h1 {
                font-size: 1.5rem;
            }
            .hero-badge {
                font-size: 0.7rem;
                padding: 4px 14px;
            }
            .btn-retro {
                padding: 12px 24px;
                font-size: 0.85rem;
            }
            .mobile-topbar .brand {
                font-size: 0.95rem;
            }
            .mobile-drawer {
                width: 260px;
            }
        }

        /* ===== 辅助 ===== */
        .text-gold {
            color: var(--primary-light);
        }
        .text-rusty {
            color: var(--primary-dark);
        }
        .bg-cream {
            background-color: var(--bg-cream);
        }
        .bg-card {
            background-color: var(--bg-card);
        }
        .border-rusty {
            border-color: var(--border-rusty) !important;
        }
        .gap-y-8 {
            row-gap: 32px;
        }

        /* 空列表提示 */
        .empty-tip {
            text-align: center;
            padding: 40px 20px;
            color: var(--text-muted);
            font-size: 0.95rem;
            background: rgba(184, 134, 11, 0.04);
            border: 1px dashed var(--border-color);
            border-radius: var(--radius-md);
        }
        .empty-tip i {
            font-size: 2rem;
            color: var(--accent);
            display: block;
            margin-bottom: 12px;
        }

        /* 文章列表链接 hover */
        .post-link {
            text-decoration: none;
            color: inherit;
        }
        .post-link:hover {
            text-decoration: none;
        }
        .post-link:hover .card-title {
            color: var(--primary-dark);
            text-decoration: underline;
        }

        /* 图片自适应容器 */
        .img-cover-wrapper {
            overflow: hidden;
            border-radius: var(--radius-sm);
        }
        .img-cover-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.45s ease;
        }
        .card-retro:hover .img-cover-wrapper img {
            transform: scale(1.03);
        }

        /* Bootstrap 补丁 */
        .row.g-4 {
            --bs-gutter-y: 1.5rem;
        }

        /* 滚动条美化 */
        .sidebar-nav::-webkit-scrollbar {
            width: 4px;
        }
        .sidebar-nav::-webkit-scrollbar-track {
            background: var(--bg-dark);
        }
        .sidebar-nav::-webkit-scrollbar-thumb {
            background: rgba(212, 168, 67, 0.3);
            border-radius: 4px;
        }
        .mobile-drawer::-webkit-scrollbar {
            width: 4px;
        }
        .mobile-drawer::-webkit-scrollbar-track {
            background: var(--bg-dark);
        }
        .mobile-drawer::-webkit-scrollbar-thumb {
            background: rgba(212, 168, 67, 0.3);
            border-radius: 4px;
        }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #8B5E3C;
            --primary-dark: #6F4A2E;
            --primary-light: #A87B5A;
            --secondary: #D4A574;
            --secondary-light: #E8C9A8;
            --accent: #C97B4A;
            --bg-dark: #1E1612;
            --bg-card: #2D231E;
            --bg-section: #261E18;
            --bg-body: #1A1410;
            --text-light: #F2EAE2;
            --text-muted: #B8A69A;
            --text-soft: #D9C8B8;
            --border-color: #4A382E;
            --border-light: #6B5546;
            --radius: 14px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
            --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.3);
            --transition: 0.25s ease;
            --font-serif: 'Georgia', 'Noto Serif SC', serif;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.7;
            background-color: var(--bg-body);
            color: var(--text-light);
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--secondary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--secondary-light);
        }
        a:focus-visible {
            outline: 2px solid var(--secondary);
            outline-offset: 3px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-serif);
            color: var(--text-light);
            line-height: 1.3;
            margin-top: 0;
        }

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== Layout: Left Sidebar + Right Content ===== */
        .app-wrapper {
            display: flex;
            min-height: 100vh;
        }

        /* ---- Sidebar (Desktop) ---- */
        .sidebar {
            width: 240px;
            flex-shrink: 0;
            background: var(--bg-dark);
            border-right: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            z-index: 1040;
            padding: 28px 16px 20px;
            transition: transform var(--transition);
        }

        .sidebar-brand {
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 8px 0 20px;
            border-bottom: 1px solid var(--border-color);
            margin-bottom: 24px;
            font-family: var(--font-serif);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--secondary);
            letter-spacing: 1px;
            text-decoration: none;
            transition: color var(--transition);
        }
        .sidebar-brand:hover {
            color: var(--secondary-light);
        }
        .sidebar-brand small {
            font-size: 0.7rem;
            font-weight: 400;
            color: var(--text-muted);
            letter-spacing: 2px;
            margin-top: 2px;
        }

        .sidebar-nav-list {
            list-style: none;
            padding: 0;
            margin: 0;
            flex: 1;
        }
        .sidebar-nav-list li {
            margin-bottom: 6px;
        }
        .sidebar-nav-list a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            color: var(--text-soft);
            font-size: 1rem;
            font-weight: 500;
            transition: all var(--transition);
            text-decoration: none;
        }
        .sidebar-nav-list a i {
            width: 20px;
            text-align: center;
            font-size: 1.1rem;
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .sidebar-nav-list a:hover {
            background: var(--bg-card);
            color: var(--secondary-light);
        }
        .sidebar-nav-list a:hover i {
            color: var(--secondary);
        }
        .sidebar-nav-list a.active {
            background: var(--primary-dark);
            color: var(--secondary-light);
            box-shadow: inset 3px 0 0 var(--secondary);
        }
        .sidebar-nav-list a.active i {
            color: var(--secondary);
        }

        .sidebar-footer {
            margin-top: 20px;
            padding: 16px 12px;
            border-top: 1px solid var(--border-color);
            font-size: 0.8rem;
            color: var(--text-muted);
            text-align: center;
            letter-spacing: 0.5px;
        }
        .sidebar-footer i {
            color: var(--secondary);
        }

        /* ---- Main Content Area ---- */
        .main-content {
            margin-left: 240px;
            flex: 1;
            min-width: 0;
            padding: 0 0 0 0;
            background: var(--bg-body);
        }

        /* ---- Top Bar (Mobile) ---- */
        .top-bar {
            display: none;
            background: var(--bg-dark);
            border-bottom: 1px solid var(--border-color);
            padding: 12px 20px;
            align-items: center;
            justify-content: space-between;
            position: sticky;
            top: 0;
            z-index: 1030;
        }
        .top-bar-brand {
            font-family: var(--font-serif);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--secondary);
            text-decoration: none;
        }
        .top-bar-brand small {
            font-size: 0.6rem;
            color: var(--text-muted);
            margin-left: 4px;
        }
        .top-bar .btn-menu {
            background: none;
            border: none;
            color: var(--text-soft);
            font-size: 1.5rem;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
        }
        .top-bar .btn-menu:hover {
            background: var(--bg-card);
        }
        .top-bar .btn-menu:focus-visible {
            outline: 2px solid var(--secondary);
            outline-offset: 2px;
        }

        /* ---- Overlay for mobile sidebar ---- */
        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 1035;
            backdrop-filter: blur(2px);
        }
        .sidebar-overlay.show {
            display: block;
        }

        /* ===== Hero / Page Banner ===== */
        .page-hero {
            position: relative;
            padding: 100px 0 80px;
            background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-section) 60%, var(--bg-card) 100%);
            overflow: hidden;
            border-bottom: 1px solid var(--border-color);
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.15;
            pointer-events: none;
        }
        .page-hero .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, transparent 0%, var(--bg-body) 80%);
            pointer-events: none;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .page-hero h1 {
            font-size: 2.8rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--secondary-light);
            letter-spacing: 1px;
        }
        .page-hero h1 i {
            color: var(--accent);
            margin-right: 12px;
        }
        .page-hero .lead {
            font-size: 1.15rem;
            color: var(--text-soft);
            max-width: 680px;
            line-height: 1.8;
        }
        .page-hero .breadcrumb-custom {
            display: flex;
            gap: 8px;
            align-items: center;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .page-hero .breadcrumb-custom a {
            color: var(--secondary);
        }
        .page-hero .breadcrumb-custom a:hover {
            color: var(--secondary-light);
        }
        .page-hero .breadcrumb-custom span {
            color: var(--text-soft);
        }

        /* ===== Section Common ===== */
        .section-block {
            padding: 80px 0;
            border-bottom: 1px solid var(--border-color);
        }
        .section-block:last-of-type {
            border-bottom: none;
        }
        .section-block.bg-alt {
            background: var(--bg-section);
        }
        .section-block.bg-card-bg {
            background: var(--bg-card);
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--secondary-light);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .section-sub {
            font-size: 1rem;
            color: var(--text-muted);
            max-width: 600px;
            margin-bottom: 40px;
        }
        .section-title-center {
            text-align: center;
        }
        .section-sub-center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        /* ===== Cards ===== */
        .custom-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 28px 24px;
            box-shadow: var(--shadow-soft);
            transition: all var(--transition);
            height: 100%;
        }
        .custom-card:hover {
            transform: translateY(-4px);
            border-color: var(--border-light);
            box-shadow: var(--shadow);
        }
        .custom-card .card-icon {
            font-size: 2.2rem;
            color: var(--secondary);
            margin-bottom: 16px;
        }
        .custom-card h3 {
            font-size: 1.3rem;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--text-light);
        }
        .custom-card p {
            color: var(--text-soft);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 0;
        }
        .custom-card .badge-tag {
            display: inline-block;
            background: var(--primary-dark);
            color: var(--secondary-light);
            font-size: 0.7rem;
            font-weight: 500;
            padding: 3px 12px;
            border-radius: 20px;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
        }

        /* ===== Buttons ===== */
        .btn-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 12px 32px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            border: none;
            background: var(--primary);
            color: var(--text-light);
            transition: all var(--transition);
            box-shadow: 0 4px 16px rgba(139, 94, 60, 0.3);
            text-decoration: none;
        }
        .btn-custom:hover {
            background: var(--primary-dark);
            color: var(--secondary-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(139, 94, 60, 0.4);
        }
        .btn-custom:focus-visible {
            outline: 2px solid var(--secondary);
            outline-offset: 3px;
        }
        .btn-custom-outline {
            background: transparent;
            border: 2px solid var(--primary-light);
            color: var(--secondary-light);
            box-shadow: none;
        }
        .btn-custom-outline:hover {
            background: var(--primary-dark);
            border-color: var(--primary);
            color: var(--text-light);
        }
        .btn-custom-sm {
            padding: 8px 22px;
            font-size: 0.9rem;
        }

        /* ===== Tags / Badges ===== */
        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 12px;
        }
        .tag-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            color: var(--text-soft);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 500;
            transition: all var(--transition);
            text-decoration: none;
        }
        .tag-item:hover {
            background: var(--primary-dark);
            border-color: var(--primary-light);
            color: var(--secondary-light);
        }

        /* ===== Process / Timeline ===== */
        .process-step {
            display: flex;
            gap: 20px;
            margin-bottom: 32px;
            position: relative;
        }
        .process-step:last-child {
            margin-bottom: 0;
        }
        .process-step .step-num {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--text-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.2rem;
            font-family: var(--font-serif);
            box-shadow: 0 4px 12px rgba(139, 94, 60, 0.3);
        }
        .process-step .step-content h4 {
            font-size: 1.15rem;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--secondary-light);
        }
        .process-step .step-content p {
            color: var(--text-soft);
            font-size: 0.95rem;
            margin-bottom: 0;
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            padding: 20px 24px;
            margin-bottom: 14px;
            transition: border-color var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-light);
        }
        .faq-item .faq-q {
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--secondary-light);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .faq-item .faq-q i {
            color: var(--accent);
            font-size: 1.1rem;
        }
        .faq-item .faq-a {
            color: var(--text-soft);
            font-size: 0.95rem;
            line-height: 1.7;
            padding-left: 28px;
        }

        /* ===== CTA ===== */
        .cta-box {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--bg-card) 100%);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 56px 40px;
            text-align: center;
            box-shadow: var(--shadow);
        }
        .cta-box h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--secondary-light);
            margin-bottom: 16px;
        }
        .cta-box p {
            color: var(--text-soft);
            font-size: 1.05rem;
            max-width: 500px;
            margin: 0 auto 28px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            border-top: 1px solid var(--border-color);
            padding: 48px 0 36px;
        }
        .site-footer .footer-brand {
            font-family: var(--font-serif);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--secondary);
            text-decoration: none;
        }
        .site-footer .footer-brand:hover {
            color: var(--secondary-light);
        }
        .site-footer p {
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 16px 0 12px;
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 24px;
        }
        .footer-links a {
            color: var(--text-soft);
            font-size: 0.9rem;
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: var(--secondary-light);
        }
        .footer-divider {
            height: 1px;
            background: var(--border-color);
            margin: 20px auto;
            max-width: 400px;
        }
        .footer-copy {
            text-align: center;
            color: var(--text-muted);
            font-size: 0.8rem;
            letter-spacing: 0.5px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .page-hero h1 {
                font-size: 2.2rem;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .cta-box {
                padding: 40px 28px;
            }
        }

        @media (max-width: 768px) {
            .sidebar {
                transform: translateX(-100%);
            }
            .sidebar.show {
                transform: translateX(0);
            }
            .main-content {
                margin-left: 0;
            }
            .top-bar {
                display: flex;
            }
            .page-hero {
                padding: 80px 0 60px;
            }
            .page-hero h1 {
                font-size: 1.8rem;
            }
            .page-hero .lead {
                font-size: 1rem;
            }
            .section-block {
                padding: 60px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .custom-card {
                padding: 20px 18px;
            }
            .cta-box h2 {
                font-size: 1.5rem;
            }
            .cta-box {
                padding: 32px 20px;
            }
            .process-step .step-num {
                width: 40px;
                height: 40px;
                font-size: 1rem;
            }
            .footer-links {
                gap: 16px;
            }
            .footer-links a {
                font-size: 0.85rem;
            }
        }

        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 1.5rem;
            }
            .page-hero h1 i {
                margin-right: 6px;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .section-block {
                padding: 44px 0;
            }
            .custom-card {
                padding: 16px 14px;
            }
            .btn-custom {
                padding: 10px 24px;
                font-size: 0.9rem;
            }
            .faq-item {
                padding: 16px 16px;
            }
            .faq-item .faq-a {
                padding-left: 0;
            }
            .cta-box h2 {
                font-size: 1.3rem;
            }
            .footer-links {
                gap: 12px;
                flex-direction: column;
                align-items: center;
            }
        }

        /* ===== Utility ===== */
        .text-secondary-custom {
            color: var(--secondary) !important;
        }
        .text-soft {
            color: var(--text-soft);
        }
        .mb-0 {
            margin-bottom: 0 !important;
        }
        .gap-3 {
            gap: 16px;
        }
        .gap-4 {
            gap: 24px;
        }

/* roulang page: article */
:root {
            --primary: #7D5A3C;
            --primary-dark: #5C3F2A;
            --primary-light: #9E7A5A;
            --secondary: #C4A882;
            --secondary-light: #E0CDB3;
            --bg-cream: #F5F0E8;
            --bg-warm: #EDE4D8;
            --bg-dark: #2C1810;
            --bg-dark-light: #3D2B1F;
            --text-dark: #3D2B1F;
            --text-body: #4A3728;
            --text-muted: #8A7A6A;
            --text-light: #E8DDD0;
            --border-color: #D4C5A9;
            --border-light: #E5D9C8;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 18px;
            --shadow: 0 4px 20px rgba(44, 24, 16, 0.08);
            --shadow-hover: 0 8px 32px rgba(44, 24, 16, 0.15);
            --shadow-dark: 0 4px 20px rgba(0, 0, 0, 0.3);
            --font-serif: 'Georgia', 'Noto Serif SC', serif;
            --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans SC', sans-serif;
            --sidebar-width: 220px;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-cream);
            color: var(--text-body);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

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

        /* ===== Sidebar ===== */
        .sidebar-nav {
            width: var(--sidebar-width);
            background: var(--bg-dark);
            color: var(--text-light);
            display: flex;
            flex-direction: column;
            flex-shrink: 0;
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            z-index: 1040;
            padding: 28px 0 20px;
            box-shadow: 2px 0 20px rgba(0, 0, 0, 0.25);
            transition: transform var(--transition);
            border-right: 1px solid rgba(255, 255, 255, 0.05);
        }

        .sidebar-brand {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            padding: 8px 16px 24px;
            color: var(--text-light);
            font-family: var(--font-serif);
            font-size: 26px;
            font-weight: 700;
            letter-spacing: 2px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            margin: 0 16px 20px;
            transition: color var(--transition);
        }
        .sidebar-brand:hover {
            color: var(--secondary);
        }
        .sidebar-brand small {
            font-size: 13px;
            font-weight: 400;
            font-family: var(--font-sans);
            letter-spacing: 1px;
            opacity: 0.7;
            margin-top: 2px;
        }

        .sidebar-nav-list {
            list-style: none;
            padding: 0 12px;
            flex: 1;
        }
        .sidebar-nav-list li {
            margin-bottom: 4px;
        }
        .sidebar-nav-list li a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            color: rgba(255, 255, 255, 0.7);
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            transition: all var(--transition);
            border: 1px solid transparent;
        }
        .sidebar-nav-list li a i {
            width: 20px;
            text-align: center;
            font-size: 16px;
        }
        .sidebar-nav-list li a:hover {
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-light);
            border-color: rgba(255, 255, 255, 0.08);
            transform: translateX(4px);
        }
        .sidebar-nav-list li a.active {
            background: rgba(196, 168, 130, 0.15);
            color: var(--secondary);
            border-color: rgba(196, 168, 130, 0.2);
        }
        .sidebar-nav-list li a:focus-visible {
            outline: 2px solid var(--secondary);
            outline-offset: 2px;
        }

        .sidebar-footer {
            padding: 20px 16px 8px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            margin: 0 16px;
            letter-spacing: 0.5px;
        }
        .sidebar-footer i {
            color: var(--secondary);
            opacity: 0.6;
        }

        /* ===== Mobile Top Nav ===== */
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: var(--bg-dark);
            padding: 12px 20px;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.3);
        }
        .mobile-topbar .brand-text {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 700;
            color: var(--text-light);
            letter-spacing: 1px;
        }
        .mobile-topbar .brand-text small {
            font-size: 12px;
            font-weight: 400;
            opacity: 0.7;
            font-family: var(--font-sans);
        }
        .mobile-menu-btn {
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 24px;
            padding: 4px 8px;
            border-radius: 6px;
            transition: background var(--transition);
            cursor: pointer;
        }
        .mobile-menu-btn:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        .mobile-menu-btn:focus-visible {
            outline: 2px solid var(--secondary);
            outline-offset: 2px;
        }

        .mobile-menu-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 1035;
            backdrop-filter: blur(4px);
        }
        .mobile-menu-overlay.show {
            display: block;
        }

        .mobile-menu-drawer {
            position: fixed;
            top: 0;
            left: -280px;
            width: 260px;
            bottom: 0;
            background: var(--bg-dark);
            z-index: 1060;
            padding: 28px 16px 20px;
            transition: left 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: 2px 0 30px rgba(0, 0, 0, 0.4);
            overflow-y: auto;
        }
        .mobile-menu-drawer.open {
            left: 0;
        }
        .mobile-menu-drawer .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-bottom: 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            margin-bottom: 20px;
        }
        .mobile-menu-drawer .drawer-brand {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 700;
            color: var(--text-light);
            letter-spacing: 1px;
        }
        .mobile-menu-drawer .drawer-close {
            background: none;
            border: none;
            color: rgba(255, 255, 255, 0.6);
            font-size: 22px;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: all var(--transition);
        }
        .mobile-menu-drawer .drawer-close:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }
        .mobile-menu-drawer .drawer-nav-list {
            list-style: none;
        }
        .mobile-menu-drawer .drawer-nav-list li {
            margin-bottom: 4px;
        }
        .mobile-menu-drawer .drawer-nav-list li a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 16px;
            color: rgba(255, 255, 255, 0.7);
            border-radius: var(--radius-sm);
            font-size: 16px;
            font-weight: 500;
            transition: all var(--transition);
            border: 1px solid transparent;
        }
        .mobile-menu-drawer .drawer-nav-list li a i {
            width: 20px;
            text-align: center;
        }
        .mobile-menu-drawer .drawer-nav-list li a:hover {
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-light);
        }
        .mobile-menu-drawer .drawer-nav-list li a.active {
            background: rgba(196, 168, 130, 0.15);
            color: var(--secondary);
            border-color: rgba(196, 168, 130, 0.2);
        }
        .mobile-menu-drawer .drawer-footer {
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            text-align: center;
            color: rgba(255, 255, 255, 0.3);
            font-size: 13px;
        }

        /* ===== Main Content ===== */
        .main-content {
            flex: 1;
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            background: var(--bg-cream);
        }

        .article-wrapper {
            flex: 1;
            padding: 40px 48px 60px;
            max-width: 900px;
            margin: 0 auto;
            width: 100%;
        }

        /* ===== Breadcrumb ===== */
        .article-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 28px;
            flex-wrap: wrap;
        }
        .article-breadcrumb a {
            color: var(--primary);
            font-weight: 500;
        }
        .article-breadcrumb a:hover {
            color: var(--primary-dark);
        }
        .article-breadcrumb .sep {
            color: var(--border-color);
            font-size: 12px;
        }
        .article-breadcrumb .current {
            color: var(--text-muted);
            max-width: 240px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        /* ===== Article Header ===== */
        .article-header {
            margin-bottom: 36px;
            border-bottom: 2px solid var(--border-light);
            padding-bottom: 28px;
        }
        .article-meta-top {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .article-category-badge {
            display: inline-block;
            background: var(--secondary);
            color: var(--bg-dark);
            padding: 4px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.5px;
        }
        .article-date {
            font-size: 14px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-date i {
            font-size: 13px;
        }
        .article-title {
            font-family: var(--font-serif);
            font-size: 32px;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.35;
            margin-bottom: 8px;
            letter-spacing: 0.5px;
        }
        .article-description {
            font-size: 17px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-top: 8px;
        }

        /* ===== Article Cover ===== */
        .article-cover {
            margin-bottom: 36px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            aspect-ratio: 16 / 9;
            background: var(--bg-warm);
            position: relative;
        }
        .article-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .article-cover:hover img {
            transform: scale(1.02);
        }

        /* ===== Article Body ===== */
        .article-body {
            font-size: 17px;
            line-height: 1.9;
            color: var(--text-body);
            margin-bottom: 40px;
        }
        .article-body p {
            margin-bottom: 1.4em;
        }
        .article-body h2,
        .article-body h3,
        .article-body h4 {
            font-family: var(--font-serif);
            color: var(--text-dark);
            margin-top: 1.6em;
            margin-bottom: 0.8em;
            font-weight: 700;
        }
        .article-body h2 {
            font-size: 26px;
            border-left: 4px solid var(--secondary);
            padding-left: 16px;
        }
        .article-body h3 {
            font-size: 22px;
        }
        .article-body blockquote {
            border-left: 4px solid var(--secondary);
            background: var(--bg-warm);
            padding: 16px 24px;
            margin: 1.5em 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--text-muted);
        }
        .article-body ul,
        .article-body ol {
            padding-left: 24px;
            margin-bottom: 1.4em;
        }
        .article-body li {
            margin-bottom: 0.4em;
        }
        .article-body a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-body a:hover {
            color: var(--primary-dark);
        }
        .article-body img {
            margin: 1.5em auto;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .article-body code {
            background: var(--bg-warm);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.9em;
            color: var(--primary-dark);
        }
        .article-body pre {
            background: var(--bg-dark);
            color: var(--text-light);
            padding: 20px 24px;
            border-radius: var(--radius);
            overflow-x: auto;
            margin: 1.5em 0;
            font-size: 15px;
            line-height: 1.6;
        }

        /* ===== Article Tags ===== */
        .article-tags {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            padding: 20px 0;
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
            margin-bottom: 36px;
        }
        .article-tags .tag-label {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 500;
        }
        .article-tags .tag-item {
            display: inline-block;
            background: var(--bg-warm);
            color: var(--text-body);
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 13px;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .article-tags .tag-item:hover {
            background: var(--secondary);
            color: var(--bg-dark);
            border-color: var(--secondary);
        }

        /* ===== Article Nav ===== */
        .article-nav-links {
            display: flex;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }
        .article-nav-links a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            background: var(--bg-warm);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            color: var(--text-body);
            font-size: 14px;
            font-weight: 500;
            transition: all var(--transition);
        }
        .article-nav-links a:hover {
            background: var(--secondary-light);
            border-color: var(--secondary);
            color: var(--text-dark);
            transform: translateY(-1px);
        }

        /* ===== Related Posts ===== */
        .related-section {
            margin-bottom: 48px;
        }
        .related-section .section-title {
            font-family: var(--font-serif);
            font-size: 24px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .related-section .section-title::after {
            content: '';
            flex: 1;
            height: 1px;
            background: var(--border-light);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
            gap: 20px;
        }
        .related-card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .related-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--secondary);
        }
        .related-card .card-img {
            aspect-ratio: 16 / 10;
            background: var(--bg-warm);
            overflow: hidden;
        }
        .related-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .related-card:hover .card-img img {
            transform: scale(1.05);
        }
        .related-card .card-body {
            padding: 16px 18px 20px;
        }
        .related-card .card-cat {
            font-size: 12px;
            color: var(--primary);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 4px;
        }
        .related-card .card-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            line-height: 1.4;
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-title a {
            color: var(--text-dark);
        }
        .related-card .card-title a:hover {
            color: var(--primary);
        }
        .related-card .card-date {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: var(--bg-dark);
            border-radius: var(--radius-lg);
            padding: 40px 48px;
            text-align: center;
            color: var(--text-light);
            margin-bottom: 48px;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(196, 168, 130, 0.08) 0%, transparent 70%);
            border-radius: 50%;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(196, 168, 130, 0.05) 0%, transparent 70%);
            border-radius: 50%;
        }
        .cta-section h3 {
            font-family: var(--font-serif);
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
        }
        .cta-section .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            background: var(--secondary);
            color: var(--bg-dark);
            font-weight: 600;
            font-size: 16px;
            border-radius: 40px;
            border: none;
            transition: all var(--transition);
            position: relative;
            z-index: 1;
            text-decoration: none;
        }
        .cta-section .btn-cta:hover {
            background: #f0d8b8;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(196, 168, 130, 0.3);
            color: var(--bg-dark);
        }
        .cta-section .btn-cta:focus-visible {
            outline: 2px solid var(--secondary);
            outline-offset: 4px;
        }

        /* ===== Not Found ===== */
        .not-found-box {
            text-align: center;
            padding: 60px 20px;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
        }
        .not-found-box .icon-big {
            font-size: 64px;
            color: var(--border-color);
            margin-bottom: 16px;
        }
        .not-found-box h2 {
            font-family: var(--font-serif);
            font-size: 28px;
            color: var(--text-dark);
            margin-bottom: 10px;
        }
        .not-found-box p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }
        .not-found-box .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            background: var(--primary);
            color: #fff;
            border-radius: 40px;
            font-weight: 600;
            transition: all var(--transition);
            border: none;
        }
        .not-found-box .btn-back:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(125, 90, 60, 0.3);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 40px 0 28px;
            margin-top: auto;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }
        .site-footer .footer-brand {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 700;
            color: var(--text-light);
            letter-spacing: 1px;
            transition: color var(--transition);
        }
        .site-footer .footer-brand:hover {
            color: var(--secondary);
        }
        .site-footer p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-links {
            list-style: none;
            padding: 0;
            display: flex;
            justify-content: center;
            gap: 32px;
            flex-wrap: wrap;
            margin-bottom: 16px;
        }
        .footer-links li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            font-weight: 500;
            transition: all var(--transition);
            padding: 4px 0;
            border-bottom: 1px solid transparent;
        }
        .footer-links li a:hover {
            color: var(--secondary);
            border-bottom-color: var(--secondary);
        }
        .footer-divider {
            height: 1px;
            background: rgba(255, 255, 255, 0.06);
            margin: 16px auto;
            max-width: 600px;
        }
        .footer-copy {
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.35);
            letter-spacing: 0.5px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-wrapper {
                padding: 32px 28px 48px;
            }
            .article-title {
                font-size: 28px;
            }
            .related-grid {
                grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
            }
        }

        @media (max-width: 768px) {
            .sidebar-nav {
                transform: translateX(-100%);
            }
            .sidebar-nav.mobile-show {
                transform: translateX(0);
            }

            .mobile-topbar {
                display: flex;
            }

            .main-content {
                margin-left: 0;
                padding-top: 60px;
            }

            .article-wrapper {
                padding: 24px 18px 40px;
            }

            .article-title {
                font-size: 24px;
            }
            .article-description {
                font-size: 15px;
            }
            .article-body {
                font-size: 16px;
            }
            .article-body h2 {
                font-size: 22px;
            }
            .article-body h3 {
                font-size: 19px;
            }

            .article-cover {
                aspect-ratio: 16 / 10;
                border-radius: var(--radius);
            }

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

            .cta-section {
                padding: 32px 24px;
            }
            .cta-section h3 {
                font-size: 22px;
            }

            .article-breadcrumb .current {
                max-width: 140px;
            }

            .article-nav-links {
                flex-direction: column;
                align-items: stretch;
            }
            .article-nav-links a {
                justify-content: center;
            }

            .footer-links {
                gap: 20px;
            }
        }

        @media (max-width: 520px) {
            .article-wrapper {
                padding: 16px 14px 32px;
            }
            .article-title {
                font-size: 20px;
            }
            .article-meta-top {
                gap: 10px;
            }
            .article-category-badge {
                font-size: 12px;
                padding: 3px 12px;
            }
            .article-date {
                font-size: 13px;
            }
            .article-body {
                font-size: 15px;
                line-height: 1.8;
            }
            .article-body h2 {
                font-size: 20px;
                padding-left: 12px;
            }
            .article-body h3 {
                font-size: 18px;
            }
            .related-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .cta-section {
                padding: 24px 16px;
            }
            .cta-section h3 {
                font-size: 20px;
            }
            .cta-section .btn-cta {
                padding: 12px 28px;
                font-size: 15px;
            }
            .not-found-box {
                padding: 40px 16px;
            }
            .not-found-box .icon-big {
                font-size: 48px;
            }
            .not-found-box h2 {
                font-size: 22px;
            }
            .article-breadcrumb {
                font-size: 13px;
            }
            .article-breadcrumb .current {
                max-width: 100px;
            }
            .footer-links {
                gap: 14px;
                flex-direction: column;
                align-items: center;
            }
        }

        @media (min-width: 769px) {
            .mobile-topbar {
                display: none !important;
            }
            .mobile-menu-overlay,
            .mobile-menu-drawer {
                display: none !important;
            }
        }