/* roulang page: index */
:root {
            --primary: #b8472e;
            --primary-dark: #8a3320;
            --primary-light: #f0d9d0;
            --secondary: #26343f;
            --secondary-light: #3a4e5d;
            --bg: #f5f1e8;
            --card-bg: #fffdf7;
            --text: #2b2b2b;
            --text-light: #787061;
            --border: #ddd3bf;
            --border-dark: #b8ab93;
            --dark-bg: #1c1e26;
            --dark-text: #eae4d8;
            --radius: 14px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow: 0 4px 18px rgba(60, 50, 30, 0.08);
            --shadow-lg: 0 8px 28px rgba(60, 50, 30, 0.13);
            --font-serif: "Noto Serif SC", "Source Han Serif SC", Georgia, "Times New Roman", serif;
            --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        button,
        input,
        select,
        textarea {
            font: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 36px;
        }
        .page-section {
            padding: 96px 0;
        }
        .section-head {
            margin-bottom: 48px;
        }
        .section-head.center {
            text-align: center;
        }
        .eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 3px;
            color: var(--primary);
            text-transform: uppercase;
            border-left: 3px solid var(--primary);
            padding-left: 12px;
            margin-bottom: 16px;
        }
        .section-head.center .eyebrow {
            border-left: none;
            padding-left: 0;
            position: relative;
        }
        .section-head.center .eyebrow::after {
            content: "";
            display: block;
            width: 30px;
            height: 2px;
            background: var(--primary);
            margin: 8px auto 0;
        }
        .section-head h2 {
            font-family: var(--font-serif);
            font-size: 38px;
            line-height: 1.25;
            margin-bottom: 12px;
            color: var(--text);
        }
        .section-head p {
            color: var(--text-light);
            font-size: 16px;
            max-width: 640px;
        }
        .section-head.center p {
            margin-left: auto;
            margin-right: auto;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 30px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 15px;
            cursor: pointer;
            border: 2px solid transparent;
            transition: var(--transition);
            text-decoration: none;
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 14px rgba(184, 71, 46, 0.35);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(184, 71, 46, 0.4);
        }
        .btn-primary:focus {
            outline: 3px solid rgba(184, 71, 46, 0.3);
            outline-offset: 2px;
        }
        .btn-ghost {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.6);
        }
        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            transform: translateY(-2px);
        }
        .btn-ghost:focus {
            outline: 3px solid rgba(255, 255, 255, 0.3);
            outline-offset: 2px;
        }
        .btn-light {
            background: #fff;
            color: var(--secondary);
            border-color: #fff;
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
        }
        .btn-light:hover {
            background: var(--primary-light);
            border-color: var(--primary-light);
            transform: translateY(-2px);
        }
        .btn-light:focus {
            outline: 3px solid rgba(255, 255, 255, 0.3);
            outline-offset: 2px;
        }
        .text-link {
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }
        .text-link:hover {
            color: var(--primary-dark);
            gap: 12px;
        }

        .site-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: 280px;
            height: 100vh;
            background: var(--dark-bg);
            color: var(--dark-text);
            display: flex;
            flex-direction: column;
            padding: 36px 28px;
            z-index: 100;
            border-right: 3px solid var(--primary);
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 48px;
        }
        .brand-mark {
            background: var(--primary);
            color: #fff;
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 700;
            width: 46px;
            height: 46px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            border: 2px solid rgba(255, 255, 255, 0.3);
            flex-shrink: 0;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
        }
        .brand-text {
            font-family: var(--font-serif);
            font-size: 19px;
            font-weight: 700;
            letter-spacing: 0.5px;
            line-height: 1.3;
            color: #fff;
        }
        .brand-text:hover {
            color: var(--primary-light);
        }
        .side-nav {
            display: flex;
            flex-direction: column;
            gap: 6px;
            flex: 1;
        }
        .nav-link {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 18px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            color: rgba(255, 255, 255, 0.75);
            border-left: 3px solid transparent;
            transition: var(--transition);
            font-size: 15px;
        }
        .nav-link:hover,
        .nav-link.active {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            border-left-color: var(--primary);
            transform: translateX(4px);
        }
        .nav-link:focus {
            outline: 3px solid rgba(255, 255, 255, 0.25);
            outline-offset: -2px;
        }
        .nav-link i {
            width: 22px;
            text-align: center;
            font-size: 17px;
        }
        .sidebar-note {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            line-height: 1.8;
        }
        .sidebar-note .note-icon {
            font-size: 20px;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .sidebar-note p {
            margin-bottom: 4px;
        }

        .site-main {
            margin-left: 280px;
        }

        .hero {
            min-height: 100vh;
            background:
                linear-gradient(135deg, rgba(20, 22, 28, 0.78) 0%, rgba(20, 22, 28, 0.4) 100%),
                url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            padding: 80px 40px;
        }
        .hero-content {
            max-width: 700px;
            text-align: center;
            color: #fff;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.35);
            border-radius: 40px;
            padding: 6px 18px;
            font-size: 13px;
            letter-spacing: 2px;
            text-transform: uppercase;
            backdrop-filter: blur(6px);
            margin-bottom: 26px;
            color: rgba(255, 255, 255, 0.9);
        }
        .hero h1 {
            font-family: var(--font-serif);
            font-size: 66px;
            line-height: 1.15;
            margin-bottom: 22px;
            font-weight: 700;
            color: #fff;
        }
        .hero h1 em {
            font-style: normal;
            background: linear-gradient(90deg, #e8734a, #f0a55a);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 540px;
            margin: 0 auto 38px;
            line-height: 1.85;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .about-wrap {
            display: grid;
            grid-template-columns: 1.1fr 1fr;
            gap: 64px;
            align-items: center;
        }
        .about-text h2 {
            font-family: var(--font-serif);
            font-size: 38px;
            line-height: 1.3;
            margin-bottom: 18px;
        }
        .about-text>p {
            color: var(--text-light);
            font-size: 16px;
            margin-bottom: 26px;
            max-width: 480px;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 22px;
        }
        .stat-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 30px 24px;
            box-shadow: var(--shadow);
            text-align: center;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .stat-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), #f0a55a);
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .stat-card strong {
            display: block;
            font-size: 42px;
            font-family: var(--font-serif);
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .stat-card span {
            color: var(--text-light);
            font-size: 14px;
        }

        .category-section {
            background: var(--bg);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .category-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr 1fr;
            gap: 26px;
        }
        .cat-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .cat-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .cat-img {
            height: 190px;
            overflow: hidden;
            position: relative;
        }
        .cat-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .cat-card:hover .cat-img img {
            transform: scale(1.05);
        }
        .cat-body {
            padding: 26px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .cat-tag {
            align-self: flex-start;
            background: var(--primary-light);
            color: var(--primary-dark);
            font-size: 12px;
            font-weight: 700;
            border-radius: 20px;
            padding: 3px 12px;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .cat-body h3 {
            font-family: var(--font-serif);
            font-size: 22px;
            margin-bottom: 8px;
        }
        .cat-body p {
            color: var(--text-light);
            font-size: 14px;
            line-height: 1.7;
            flex: 1;
        }
        .cat-link {
            margin-top: 18px;
            font-weight: 600;
            color: var(--primary);
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }
        .cat-link:hover {
            gap: 10px;
            color: var(--primary-dark);
        }

        .news-section {
            background: var(--card-bg);
        }
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 26px;
        }
        .post-card {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            position: relative;
            overflow: hidden;
        }
        .post-card::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), transparent);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.4s ease;
        }
        .post-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }
        .post-card:hover::after {
            transform: scaleX(1);
        }
        .post-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 14px;
        }
        .post-cat {
            background: var(--secondary);
            color: #fff;
            font-size: 12px;
            padding: 4px 12px;
            border-radius: 20px;
            font-weight: 600;
            letter-spacing: 0.5px;
        }
        .post-date {
            font-size: 13px;
            color: var(--text-light);
        }
        .post-card h3 {
            font-size: 18px;
            line-height: 1.5;
            margin-bottom: 10px;
            color: var(--text);
            font-weight: 700;
            transition: color 0.3s;
        }
        .post-card:hover h3 {
            color: var(--primary);
        }
        .post-card p {
            color: var(--text-light);
            font-size: 14px;
            line-height: 1.7;
            flex: 1;
        }
        .read-more {
            margin-top: 16px;
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .empty-tip {
            grid-column: 1 / -1;
            text-align: center;
            color: var(--text-light);
            font-size: 16px;
            padding: 40px 0;
            background: var(--bg);
            border-radius: var(--radius);
            border: 1px dashed var(--border-dark);
        }

        .feature-section {
            background: var(--bg);
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 26px;
        }
        .feature-card {
            text-align: center;
            padding: 40px 26px;
            background: transparent;
            border: 1px dashed var(--border-dark);
            border-radius: var(--radius-lg);
            transition: var(--transition);
        }
        .feature-card:hover {
            background: var(--card-bg);
            border-style: solid;
            border-color: var(--border);
            box-shadow: var(--shadow);
            transform: translateY(-4px);
        }
        .feature-icon {
            width: 66px;
            height: 66px;
            margin: 0 auto 20px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            transition: var(--transition);
        }
        .feature-card:hover .feature-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(-8deg) scale(1.05);
        }
        .feature-card h3 {
            font-family: var(--font-serif);
            font-size: 20px;
            margin-bottom: 10px;
        }
        .feature-card p {
            color: var(--text-light);
            font-size: 14px;
            line-height: 1.7;
        }

        .picks-section {
            background: var(--card-bg);
            border-top: 1px solid var(--border);
        }
        .picks-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 26px;
        }
        .pick-card {
            background: var(--bg);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .pick-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }
        .pick-img {
            height: 200px;
            overflow: hidden;
        }
        .pick-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }
        .pick-card:hover .pick-img img {
            transform: scale(1.06);
        }
        .pick-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .pick-body .pick-label {
            font-size: 12px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 1px;
            margin-bottom: 8px;
            text-transform: uppercase;
        }
        .pick-body h3 {
            font-size: 18px;
            line-height: 1.4;
            margin-bottom: 10px;
            font-family: var(--font-serif);
        }
        .pick-body p {
            color: var(--text-light);
            font-size: 14px;
            flex: 1;
        }

        .flow-section {
            background: var(--bg);
            border-top: 1px solid var(--border);
        }
        .flow-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            counter-reset: step;
        }
        .flow-step {
            position: relative;
            background: var(--card-bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 40px 28px 28px;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .flow-step:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .flow-step::before {
            counter-increment: step;
            content: counter(step);
            position: absolute;
            top: -18px;
            left: 26px;
            width: 40px;
            height: 40px;
            background: var(--secondary);
            color: #fff;
            font-family: var(--font-serif);
            font-weight: 700;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            border: 3px solid var(--bg);
        }
        .flow-step h3 {
            font-family: var(--font-serif);
            font-size: 20px;
            margin-bottom: 10px;
        }
        .flow-step p {
            color: var(--text-light);
            font-size: 14px;
            line-height: 1.7;
        }

        .faq-section {
            background: var(--card-bg);
            border-top: 1px solid var(--border);
        }
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-dark);
        }
        .faq-item summary {
            list-style: none;
            cursor: pointer;
            padding: 22px 28px;
            font-weight: 600;
            font-size: 16px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: background 0.3s;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: "\f078";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            color: var(--primary);
            transition: transform 0.3s;
            flex-shrink: 0;
            margin-left: 16px;
        }
        .faq-item[open] summary {
            background: var(--primary-light);
            color: var(--primary-dark);
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            padding: 4px 28px 22px;
            color: var(--text-light);
            font-size: 15px;
            line-height: 1.8;
        }

        .cta-section {
            background:
                linear-gradient(rgba(20, 22, 28, 0.82), rgba(20, 22, 28, 0.82)),
                url('/assets/images/backpic/back-2.png') center/cover fixed no-repeat;
            color: #fff;
            text-align: center;
            padding: 110px 40px;
        }
        .cta-section h2 {
            font-family: var(--font-serif);
            font-size: 40px;
            margin-bottom: 14px;
            color: #fff;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            max-width: 580px;
            margin: 0 auto 38px;
            font-size: 16px;
        }
        .cta-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .site-footer {
            background: var(--dark-bg);
            color: rgba(255, 255, 255, 0.6);
            padding: 64px 0 28px;
        }
        .footer-inner {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 36px;
        }
        .footer-brand .footer-logo {
            font-family: var(--font-serif);
            font-size: 24px;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 14px;
            max-width: 320px;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            margin-bottom: 16px;
            font-weight: 700;
        }
        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.55);
            font-size: 14px;
            margin-bottom: 10px;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 48px;
            padding-top: 22px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        @media (max-width: 1023px) {
            .site-sidebar {
                position: sticky;
                top: 0;
                width: 100%;
                height: auto;
                flex-direction: row;
                align-items: center;
                padding: 12px 20px;
                gap: 16px;
                border-right: none;
                border-bottom: 3px solid var(--primary);
            }
            .brand {
                margin-bottom: 0;
                gap: 10px;
            }
            .brand-mark {
                width: 38px;
                height: 38px;
                font-size: 17px;
            }
            .brand-text {
                font-size: 16px;
            }
            .side-nav {
                flex-direction: row;
                gap: 4px;
                margin-left: auto;
                flex: initial;
            }
            .nav-link {
                padding: 8px 14px;
                font-size: 14px;
                border-left: none;
                border-bottom: 2px solid transparent;
                border-radius: 6px;
            }
            .nav-link:hover,
            .nav-link.active {
                transform: none;
                border-bottom-color: var(--primary);
                background: rgba(255, 255, 255, 0.06);
            }
            .sidebar-note {
                display: none;
            }
            .site-main {
                margin-left: 0;
            }
            .hero h1 {
                font-size: 48px;
            }
            .about-wrap {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .category-grid {
                grid-template-columns: 1fr 1fr;
            }
            .category-grid .cat-card:first-child {
                grid-column: 1 / -1;
            }
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-grid {
                grid-template-columns: 1fr 1fr;
            }
            .picks-grid {
                grid-template-columns: 1fr 1fr;
            }
            .flow-list {
                grid-template-columns: 1fr;
                gap: 40px;
                max-width: 520px;
                margin: 0 auto;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 22px;
            }
            .page-section {
                padding: 72px 0;
            }
            .section-head h2 {
                font-size: 30px;
            }
            .hero {
                padding: 60px 24px;
                min-height: 88vh;
            }
            .hero h1 {
                font-size: 38px;
            }
            .hero p {
                font-size: 16px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: center;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
            .stats-grid {
                gap: 14px;
            }
            .stat-card {
                padding: 22px 16px;
            }
            .stat-card strong {
                font-size: 32px;
            }
            .category-grid {
                grid-template-columns: 1fr;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .picks-grid {
                grid-template-columns: 1fr;
            }
            .feature-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .feature-card {
                padding: 28px 18px;
            }
            .feature-icon {
                width: 54px;
                height: 54px;
                font-size: 22px;
            }
            .footer-inner {
                flex-direction: column;
                gap: 24px;
            }
            .cta-section {
                padding: 80px 24px;
            }
            .cta-section h2 {
                font-size: 30px;
            }
            .faq-item summary {
                font-size: 15px;
                padding: 18px 20px;
            }
        }

        @media (max-width: 520px) {
            .site-sidebar {
                padding: 10px 14px;
                gap: 8px;
            }
            .brand-text {
                font-size: 14px;
            }
            .brand-mark {
                width: 32px;
                height: 32px;
                font-size: 14px;
            }
            .nav-link {
                padding: 6px 10px;
                font-size: 13px;
                gap: 6px;
            }
            .side-nav {
                gap: 2px;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 32px;
            }
            .hero-badge {
                font-size: 11px;
            }
            .stat-card strong {
                font-size: 28px;
            }
            .flow-step {
                padding: 36px 20px 22px;
            }
        }

/* roulang page: article */
:root {
            --primary: #8c5b3f;
            --primary-dark: #6b4226;
            --primary-light: #a87a5c;
            --secondary: #3d5a45;
            --secondary-dark: #2a3f32;
            --accent: #d89a6e;
            --accent-soft: #f2dcc8;
            --bg: #f6f1e7;
            --bg-deep: #ece0cf;
            --surface: #fffaf2;
            --surface-deep: #f0e8da;
            --text: #3e2f23;
            --text-weak: #8a7565;
            --border: #e2d6c4;
            --radius-sm: 8px;
            --radius: 14px;
            --radius-lg: 22px;
            --shadow-sm: 0 4px 12px rgba(62, 47, 35, .06);
            --shadow: 0 10px 30px rgba(62, 47, 35, .09);
            --shadow-lg: 0 18px 44px rgba(62, 47, 35, .13);
            --space-section: 88px;
            --sidebar-width: 270px;
            --transition: all .25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        ul,
        ol {
            list-style: none;
            margin: 0;
            padding: 0;
        }

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

        .site-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: var(--sidebar-width);
            background: var(--secondary-dark);
            background-image: linear-gradient(160deg, #2a3f32 0%, #1e3026 100%);
            color: #f5efe2;
            padding: 36px 24px 28px;
            display: flex;
            flex-direction: column;
            z-index: 100;
            border-right: 3px solid var(--accent);
            transition: var(--transition);
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 56px;
            padding-bottom: 20px;
            border-bottom: 1px dashed rgba(255, 255, 255, .22);
        }

        .brand-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            background: var(--accent);
            color: #2a1d12;
            font-weight: 800;
            font-size: 18px;
            border-radius: 14px 14px 14px 0;
            box-shadow: 0 4px 14px rgba(216, 154, 110, .4);
            letter-spacing: 1px;
            flex-shrink: 0;
        }

        .brand-text {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.4;
            letter-spacing: .5px;
        }

        .side-nav {
            display: flex;
            flex-direction: column;
            gap: 6px;
            flex: 1;
        }

        .nav-link {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 13px 18px;
            border-radius: var(--radius-sm);
            color: rgba(245, 239, 226, .75);
            font-size: 15px;
            font-weight: 500;
            letter-spacing: .3px;
            border: 1px solid transparent;
            transition: var(--transition);
        }

        .nav-link i {
            width: 20px;
            text-align: center;
            font-size: 15px;
        }

        .nav-link:hover {
            background: rgba(255, 255, 255, .08);
            color: #fff;
            transform: translateX(4px);
        }

        .nav-link.active {
            background: rgba(216, 154, 110, .18);
            color: #f2d9c0;
            border-color: rgba(216, 154, 110, .25);
            box-shadow: 0 4px 16px rgba(0, 0, 0, .18);
        }

        .nav-link:focus-visible,
        .brand:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            border-radius: 6px;
        }

        .sidebar-note {
            margin-top: 24px;
            padding: 18px 16px;
            background: rgba(0, 0, 0, .18);
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: var(--radius-sm);
            text-align: center;
        }

        .note-icon {
            font-size: 24px;
            margin-bottom: 8px;
            color: var(--accent);
        }

        .sidebar-note p {
            font-size: 13px;
            line-height: 1.7;
            color: rgba(245, 239, 226, .65);
        }

        .main-content {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        .article-hero {
            position: relative;
            padding: 72px 0 60px;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            color: #fff;
        }

        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(43, 32, 23, .82) 20%, rgba(42, 63, 50, .72) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
        }

        .breadcrumbs {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, .72);
            margin-bottom: 28px;
        }

        .breadcrumbs a {
            color: rgba(255, 255, 255, .82);
            border-bottom: 1px solid transparent;
        }

        .breadcrumbs a:hover {
            color: #fff;
            border-color: var(--accent);
        }

        .breadcrumbs i {
            font-size: 10px;
            color: rgba(255, 255, 255, .5);
        }

        .hero-category {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #2a1d12;
            font-size: 13px;
            font-weight: 700;
            padding: 6px 16px;
            border-radius: 30px;
            letter-spacing: 1px;
            margin-bottom: 18px;
            text-transform: uppercase;
        }

        .hero-category::before {
            content: '';
            width: 6px;
            height: 6px;
            background: #2a1d12;
            border-radius: 50%;
        }

        .article-hero h1 {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.35;
            max-width: 860px;
            margin-bottom: 20px;
            text-shadow: 0 2px 12px rgba(0, 0, 0, .3);
            letter-spacing: .5px;
        }

        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 22px;
            font-size: 14px;
            color: rgba(255, 255, 255, .78);
        }

        .hero-meta .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }

        .hero-meta i {
            color: var(--accent);
        }

        .article-main-section {
            padding: 60px 0 0;
        }

        .article-layout {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 320px;
            gap: 48px;
            align-items: start;
        }

        .article-primary {
            min-width: 0;
        }

        .article-featured-img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            margin-bottom: 32px;
            width: 100%;
            max-height: 460px;
            object-fit: cover;
            border: 2px solid var(--border);
        }

        .article-body {
            background: var(--surface);
            border: 2px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 40px 44px;
            box-shadow: var(--shadow-sm);
        }

        .article-body p {
            margin-bottom: 20px;
            font-size: 17px;
            line-height: 1.9;
            color: var(--text);
        }

        .article-body h2 {
            font-size: 26px;
            font-weight: 800;
            color: var(--primary-dark);
            margin: 40px 0 16px;
            padding-left: 14px;
            border-left: 4px solid var(--accent);
            line-height: 1.4;
        }

        .article-body h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--secondary-dark);
            margin: 30px 0 14px;
        }

        .article-body img {
            border-radius: var(--radius);
            margin: 24px 0;
            border: 2px solid var(--border);
        }

        .article-body ul,
        .article-body ol {
            margin: 16px 0 24px;
            padding-left: 22px;
        }

        .article-body ul li {
            list-style: disc;
            margin-bottom: 8px;
            padding-left: 4px;
        }

        .article-body ol li {
            list-style: decimal;
            margin-bottom: 8px;
            padding-left: 4px;
        }

        .article-body blockquote {
            border-left: 4px solid var(--secondary);
            background: var(--surface-deep);
            padding: 16px 22px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 24px 0;
            font-style: normal;
            color: var(--text);
            position: relative;
        }

        .article-body blockquote::before {
            content: '\f10d';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            color: var(--accent);
            margin-right: 10px;
            font-size: 14px;
        }

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

        .article-body a:hover {
            color: var(--primary-dark);
            text-decoration-thickness: 2px;
        }

        .article-tags {
            margin-top: 32px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .article-tags .tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--surface-deep);
            border: 1px solid var(--border);
            border-radius: 30px;
            padding: 6px 16px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-dark);
            transition: var(--transition);
        }

        .article-tags .tag:hover {
            background: var(--accent-soft);
            border-color: var(--accent);
            transform: translateY(-2px);
        }

        .article-tags .tag::before {
            content: '#';
            color: var(--accent);
            font-weight: 700;
        }

        .article-sidebar {
            position: sticky;
            top: 24px;
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .side-card {
            background: var(--surface);
            border: 2px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            padding: 24px;
            transition: var(--transition);
        }

        .side-card:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow);
        }

        .side-card h3 {
            font-size: 16px;
            font-weight: 800;
            color: var(--primary-dark);
            padding-bottom: 14px;
            border-bottom: 2px dashed var(--border);
            margin-bottom: 16px;
            letter-spacing: .5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .side-card h3::before {
            content: '';
            width: 4px;
            height: 16px;
            background: var(--accent);
            border-radius: 4px;
        }

        .info-card ul {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .info-card li {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 14px;
            padding: 8px 0;
            border-bottom: 1px dotted var(--border);
        }

        .info-card li:last-child {
            border-bottom: none;
        }

        .info-card li span {
            color: var(--text-weak);
            font-size: 13px;
        }

        .info-card li strong {
            font-weight: 600;
            color: var(--text);
        }

        .latest-card .latest-item {
            display: flex;
            flex-direction: column;
            gap: 4px;
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }

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

        .latest-card .latest-item:hover {
            padding-left: 8px;
            border-color: var(--accent);
        }

        .latest-card .latest-cat {
            font-size: 12px;
            color: var(--accent);
            font-weight: 700;
            letter-spacing: 1px;
        }

        .latest-card .latest-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.5;
        }

        .latest-card .latest-item:hover .latest-title {
            color: var(--primary);
        }

        .empty-text {
            font-size: 14px;
            color: var(--text-weak);
            padding: 16px 0;
            text-align: center;
        }

        .not-found-card {
            background: var(--surface);
            border: 2px dashed var(--border);
            border-radius: var(--radius-lg);
            padding: 60px 40px;
            text-align: center;
        }

        .not-found-card .nf-icon {
            font-size: 48px;
            color: var(--accent);
            margin-bottom: 16px;
        }

        .not-found-card h2 {
            font-size: 26px;
            color: var(--primary-dark);
            margin-bottom: 10px;
        }

        .not-found-card p {
            color: var(--text-weak);
            margin-bottom: 24px;
        }

        .author-section {
            padding: 64px 0 0;
        }

        .author-card {
            background: var(--surface);
            border: 2px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            display: flex;
            align-items: center;
            gap: 24px;
            box-shadow: var(--shadow-sm);
        }

        .author-avatar {
            flex-shrink: 0;
        }

        .author-avatar .brand-mark {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            font-size: 16px;
        }

        .author-info h3 {
            font-size: 18px;
            font-weight: 800;
            color: var(--primary-dark);
            margin-bottom: 4px;
        }

        .author-info p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.6;
        }

        .related-section {
            padding: 88px 0 40px;
        }

        .section-title {
            font-size: 30px;
            font-weight: 800;
            color: var(--primary-dark);
            text-align: center;
            letter-spacing: 1px;
            margin-bottom: 40px;
            position: relative;
        }

        .section-title::after {
            content: '';
            display: block;
            width: 48px;
            height: 4px;
            background: var(--accent);
            border-radius: 4px;
            margin: 14px auto 0;
        }

        .related-card {
            display: flex;
            flex-direction: column;
            height: 100%;
            background: var(--surface);
            border: 2px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: var(--transition);
        }

        .related-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary);
        }

        .card-top {
            position: relative;
            height: 170px;
            background-size: cover;
            background-position: center;
            flex-shrink: 0;
        }

        .card-top::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(0, 0, 0, .3), transparent);
        }

        .card-cat {
            position: absolute;
            left: 14px;
            bottom: 12px;
            z-index: 2;
            background: var(--accent);
            color: #2a1d12;
            font-size: 11px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 20px;
            letter-spacing: .5px;
        }

        .card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .card-body h3 {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.45;
            color: var(--text);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card:hover .card-body h3 {
            color: var(--primary);
        }

        .card-body p {
            font-size: 13px;
            color: var(--text-weak);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-date {
            font-size: 12px;
            color: var(--text-weak);
            margin-top: auto;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .card-date i {
            color: var(--accent);
        }

        .faq-section {
            padding: 88px 0 40px;
            background: var(--bg-deep);
        }

        .faq-section .section-title {
            margin-bottom: 36px;
        }

        .accordion {
            max-width: 860px;
            margin: 0 auto;
        }

        .accordion .accordion-item {
            background: var(--surface);
            border: 2px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            transition: var(--transition);
        }

        .accordion .accordion-item:hover {
            border-color: var(--primary-light);
        }

        .accordion .accordion-title {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            padding: 18px 20px;
            background: transparent;
            border: none;
            border-radius: var(--radius-sm) var(--radius-sm) 0 0;
        }

        .accordion .accordion-title::before {
            content: '\f059';
            font-family: 'Font Awesome 6 Free';
            font-weight: 400;
            color: var(--accent);
            font-size: 18px;
        }

        .accordion .accordion-title:hover {
            color: var(--primary);
            background: rgba(216, 154, 110, .05);
        }

        .accordion .accordion-content {
            padding: 0 20px 18px 50px;
            font-size: 15px;
            color: var(--text-weak);
            line-height: 1.75;
            border-top: 1px dashed var(--border);
        }

        .accordion .accordion-content p {
            margin-bottom: 8px;
            padding-top: 12px;
        }

        .accordion .accordion-item.is-active {
            border-color: var(--accent);
        }

        .cta-section {
            padding: 88px 0 100px;
        }

        .cta-card {
            background: var(--secondary-dark);
            background-image: radial-gradient(circle at 90% 20%, rgba(216, 154, 110, .18) 0%, transparent 50%), linear-gradient(135deg, #2a3f32, #1e3026);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            text-align: center;
            color: #f5efe2;
            border: 2px solid rgba(216, 154, 110, .3);
            position: relative;
            overflow: hidden;
        }

        .cta-card::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 180px;
            height: 180px;
            border: 2px dashed rgba(216, 154, 110, .25);
            border-radius: 50%;
        }

        .cta-card h2 {
            font-size: 30px;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: 1px;
        }

        .cta-card p {
            font-size: 16px;
            color: rgba(245, 239, 226, .7);
            margin-bottom: 28px;
        }

        .cta-actions {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 16px;
        }

        .btn-primary,
        .btn-secondary,
        .btn-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 30px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 15px;
            border: 2px solid transparent;
            cursor: pointer;
            transition: var(--transition);
        }

        .btn-primary {
            background: var(--accent);
            color: #2a1d12;
        }

        .btn-primary:hover {
            background: #c9875b;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(216, 154, 110, .35);
        }

        .btn-secondary {
            background: rgba(255, 255, 255, .08);
            border-color: rgba(255, 255, 255, .25);
            color: #f5efe2;
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, .16);
            border-color: var(--accent);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-light {
            background: var(--surface);
            color: var(--primary-dark);
            border-color: var(--border);
        }

        .btn-light:hover {
            background: var(--surface-deep);
            transform: translateY(-2px);
            box-shadow: var(--shadow);
        }

        .btn-primary:focus-visible,
        .btn-secondary:focus-visible,
        .btn-light:focus-visible {
            outline: 3px solid rgba(216, 154, 110, .6);
            outline-offset: 2px;
        }

        .site-footer {
            background: var(--secondary-dark);
            color: rgba(245, 239, 226, .72);
            padding: 56px 0 28px;
            margin-left: var(--sidebar-width);
            border-top: 3px solid var(--accent);
        }

        .footer-inner {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 36px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }

        .footer-logo .brand-mark {
            width: 38px;
            height: 38px;
            font-size: 14px;
            border-radius: 10px 10px 10px 0;
        }

        .footer-logo span:last-child {
            font-size: 17px;
            font-weight: 700;
            color: #f5efe2;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.75;
            color: rgba(245, 239, 226, .6);
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #f5efe2;
            margin-bottom: 14px;
            letter-spacing: 1px;
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(245, 239, 226, .6);
            padding: 5px 0;
            transition: var(--transition);
        }

        .footer-col a:hover {
            color: var(--accent);
            padding-left: 6px;
        }

        .copyright {
            border-top: 1px solid rgba(255, 255, 255, .12);
            padding-top: 22px;
            text-align: center;
            font-size: 13px;
            color: rgba(245, 239, 226, .45);
        }

        .copyright p {
            margin: 0;
        }

        @media (max-width: 1100px) {
            .article-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .article-sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
        }

        @media (max-width: 900px) {
            .site-sidebar {
                width: 100%;
                position: relative;
                height: auto;
                padding: 14px 24px;
                display: flex;
                flex-direction: row;
                align-items: center;
                flex-wrap: wrap;
                border-right: none;
                border-bottom: 3px solid var(--accent);
            }

            .brand {
                margin-bottom: 0;
                padding-bottom: 0;
                border-bottom: none;
            }

            .brand-mark {
                width: 40px;
                height: 40px;
                font-size: 14px;
            }

            .brand-text {
                font-size: 15px;
            }

            .side-nav {
                flex-direction: row;
                gap: 4px;
                margin-left: auto;
                flex: none;
            }

            .nav-link {
                padding: 8px 14px;
                font-size: 14px;
            }

            .nav-link:hover {
                transform: none;
            }

            .sidebar-note {
                display: none;
            }

            .main-content {
                margin-left: 0;
            }

            .site-footer {
                margin-left: 0;
            }

            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 640px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .site-sidebar {
                padding: 12px 16px;
            }

            .brand-text {
                display: none;
            }

            .brand {
                gap: 0;
            }

            .side-nav {
                gap: 2px;
            }

            .nav-link {
                padding: 8px 10px;
                font-size: 13px;
                gap: 6px;
            }

            .nav-link i {
                font-size: 13px;
                width: 16px;
            }

            .article-hero {
                padding: 48px 0 40px;
            }

            .article-hero h1 {
                font-size: 24px;
                line-height: 1.4;
            }

            .hero-meta {
                gap: 12px;
                font-size: 13px;
                flex-direction: column;
                gap: 8px;
            }

            .article-body {
                padding: 24px 18px;
            }

            .article-body p {
                font-size: 15px;
                line-height: 1.8;
            }

            .article-body h2 {
                font-size: 22px;
            }

            .article-body h3 {
                font-size: 18px;
            }

            .article-featured-img {
                max-height: 220px;
            }

            .article-sidebar {
                grid-template-columns: 1fr;
            }

            .related-section {
                padding: 56px 0 32px;
            }

            .section-title {
                font-size: 24px;
            }

            .faq-section {
                padding: 56px 0 32px;
            }

            .cta-section {
                padding: 56px 0 64px;
            }

            .cta-card {
                padding: 36px 24px;
            }

            .cta-card h2 {
                font-size: 24px;
            }

            .author-card {
                flex-direction: column;
                text-align: center;
                padding: 24px;
            }

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

            .footer-brand p {
                max-width: 100%;
            }

            .accordion .accordion-title {
                font-size: 14px;
                padding: 16px;
                line-height: 1.5;
            }

            .accordion .accordion-content {
                padding: 0 16px 16px 40px;
                font-size: 14px;
            }

            .article-tags .tag {
                font-size: 12px;
                padding: 5px 12px;
            }
        }

        @media (max-width: 420px) {
            .nav-link {
                font-size: 12px;
                padding: 6px 8px;
            }

            .nav-link i {
                font-size: 12px;
            }

            .article-hero h1 {
                font-size: 20px;
            }

            .hero-category {
                font-size: 12px;
            }

            .notification-bar {
                font-size: 12px;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #2e4a3a;
            --color-primary-dark: #1e352a;
            --color-accent: #b98a4e;
            --color-accent-light: #d4ab72;
            --color-bg: #f4efe6;
            --color-bg-deep: #1f1c17;
            --color-card: #fffaf0;
            --color-text: #2b2925;
            --color-text-soft: #6f6557;
            --color-border: #ddd2be;
            --color-border-dark: #b5a88f;
            --radius-lg: 18px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-lg: 0 12px 40px rgba(31, 28, 23, 0.12);
            --shadow-md: 0 6px 24px rgba(31, 28, 23, 0.08);
            --shadow-sm: 0 3px 10px rgba(31, 28, 23, 0.06);
            --transition: 0.35s cubic-bezier(.4, 0, .2, 1);
            --font-serif: "Songti SC", "Noto Serif SC", Georgia, serif;
            --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

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

        a {
            text-decoration: none;
            color: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            background: none;
        }

        .container,
        .grid-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 32px;
        }

        /* ===== 左侧竖向导航 ===== */
        .site-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: 260px;
            background: var(--color-bg-deep);
            color: #e8e0d4;
            padding: 40px 28px 30px;
            display: flex;
            flex-direction: column;
            gap: 36px;
            z-index: 100;
            border-right: 1px solid rgba(255, 255, 255, 0.06);
            box-shadow: 4px 0 30px rgba(0, 0, 0, 0.15);
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .brand-mark {
            width: 42px;
            height: 42px;
            background: var(--color-accent);
            color: #1f1c17;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            font-weight: 800;
            letter-spacing: 1px;
            flex-shrink: 0;
            border: 2px solid #1f1c17;
            box-shadow: 3px 3px 0 rgba(255, 255, 255, 0.12);
        }

        .brand-text {
            font-size: 18px;
            font-weight: 700;
            color: #f0e9dd;
            letter-spacing: 1px;
            font-family: var(--font-serif);
        }

        .side-nav {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .nav-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 14px;
            border-radius: 10px;
            color: #b5ac9e;
            font-size: 15px;
            font-weight: 600;
            transition: var(--transition);
            border: 1px solid transparent;
        }

        .nav-link i {
            width: 20px;
            text-align: center;
            font-size: 15px;
        }

        .nav-link:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #f0e9dd;
            transform: translateX(4px);
        }

        .nav-link.active {
            background: rgba(185, 138, 78, 0.18);
            color: var(--color-accent-light);
            border-color: rgba(185, 138, 78, 0.3);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
        }

        .sidebar-note {
            margin-top: auto;
            padding: 18px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 14px;
            border: 1px dashed rgba(255, 255, 255, 0.12);
        }

        .note-icon {
            color: var(--color-accent);
            font-size: 18px;
            margin-bottom: 8px;
        }

        .sidebar-note p {
            font-size: 13px;
            color: #9a9184;
            line-height: 1.6;
        }

        /* ===== 主内容区 ===== */
        .site-main {
            margin-left: 260px;
            min-height: 100vh;
        }

        section {
            padding: 90px 0;
        }

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 3px;
            color: var(--color-accent);
            background: rgba(185, 138, 78, 0.12);
            border: 1px solid rgba(185, 138, 78, 0.25);
            padding: 6px 14px;
            border-radius: 30px;
            margin-bottom: 14px;
        }

        .section-head {
            margin-bottom: 48px;
            max-width: 680px;
        }

        .section-head h2 {
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: 1px;
            font-family: var(--font-serif);
        }

        .section-head p {
            color: var(--color-text-soft);
            font-size: 16px;
        }

        /* ===== 分类 Hero ===== */
        .category-hero {
            position: relative;
            padding: 100px 0 90px;
            background-color: #1f1c17;
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0.45;
        }

        .hero-shade {
            position: absolute;
            inset: 0;
            background: linear-gradient(130deg, rgba(31, 28, 23, 0.92) 0%, rgba(31, 28, 23, 0.58) 60%, rgba(31, 28, 23, 0.25) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 760px;
        }

        .hero-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            border: 1px solid rgba(185, 138, 78, 0.5);
            color: var(--color-accent-light);
            background: rgba(185, 138, 78, 0.1);
            border-radius: 30px;
            font-size: 13px;
            letter-spacing: 2px;
            margin-bottom: 22px;
        }

        .category-hero h1 {
            font-size: 52px;
            font-weight: 800;
            color: #f0e9dd;
            font-family: var(--font-serif);
            letter-spacing: 4px;
            margin-bottom: 16px;
            line-height: 1.2;
        }

        .category-hero p {
            font-size: 18px;
            color: #c4b9a8;
            margin-bottom: 32px;
            max-width: 620px;
            line-height: 1.8;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 15px;
            transition: var(--transition);
            border: 1px solid transparent;
            cursor: pointer;
            line-height: 1.4;
        }

        .btn-primary {
            background: var(--color-accent);
            color: #1f1c17;
            border: 2px solid #1f1c17;
            box-shadow: 4px 4px 0 rgba(31, 28, 23, 0.9);
        }

        .btn-primary:hover {
            transform: translate(-2px, -2px);
            box-shadow: 6px 6px 0 rgba(31, 28, 23, 0.9);
            background: var(--color-accent-light);
        }

        .btn-primary:active {
            transform: translate(0);
            box-shadow: 2px 2px 0 rgba(31, 28, 23, 0.9);
        }

        .btn-ghost {
            background: transparent;
            color: #e8e0d4;
            border: 1px solid rgba(255, 255, 255, 0.25);
        }

        .btn-ghost:hover {
            border-color: var(--color-accent-light);
            color: var(--color-accent-light);
            background: rgba(185, 138, 78, 0.08);
        }

        .btn-ghost:focus {
            outline: 2px solid var(--color-accent-light);
            outline-offset: 3px;
        }

        .btn-light {
            background: var(--color-accent);
            color: #1f1c17;
            font-weight: 700;
            border: 2px solid #1f1c17;
            box-shadow: 4px 4px 0 rgba(255, 255, 255, 0.15);
        }

        .btn-light:hover {
            transform: translate(-2px, -2px);
            box-shadow: 6px 6px 0 rgba(255, 255, 255, 0.15);
            background: var(--color-accent-light);
        }

        .btn:focus {
            outline: 2px solid var(--color-accent-light);
            outline-offset: 3px;
        }

        /* ===== 分类介绍 ===== */
        .category-intro {
            position: relative;
            background: var(--color-bg);
        }

        .intro-copy p {
            color: var(--color-text-soft);
            font-size: 16px;
            line-height: 1.9;
            margin-bottom: 18px;
        }

        .intro-note {
            background: var(--color-card);
            border: 2px solid var(--color-border-dark);
            border-radius: var(--radius-lg);
            padding: 34px;
            position: relative;
            box-shadow: var(--shadow-md);
            margin-top: 10px;
        }

        .intro-note::before {
            content: '';
            position: absolute;
            top: 6px;
            left: 6px;
            right: 6px;
            bottom: 6px;
            border: 1px dashed rgba(181, 168, 143, 0.5);
            border-radius: 12px;
            pointer-events: none;
        }

        .intro-note i {
            font-size: 36px;
            color: var(--color-accent);
            display: block;
            margin-bottom: 14px;
        }

        .intro-note p {
            font-size: 15px;
            color: var(--color-text-soft);
            line-height: 1.9;
        }

        /* ===== 资讯列表 ===== */
        .news-section {
            background: linear-gradient(180deg, var(--color-bg) 0%, #efe8db 100%);
        }

        .news-col {
            margin-bottom: 28px;
        }

        .news-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-border-dark);
        }

        .card-media {
            position: relative;
            display: block;
            overflow: hidden;
            height: 200px;
            background: #ddd2be;
        }

        .card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .news-card:hover .card-media img {
            transform: scale(1.05);
        }

        .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(31, 28, 23, 0.82);
            color: #f0e9dd;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 1px;
            backdrop-filter: blur(4px);
        }

        .card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .card-body h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.5;
            transition: color 0.3s;
        }

        .card-body h3 a:hover {
            color: var(--color-accent);
        }

        .card-body p {
            color: var(--color-text-soft);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 18px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 16px;
            border-top: 1px dashed var(--color-border);
            font-size: 13px;
            color: var(--color-text-soft);
            margin-top: auto;
        }

        .read-link {
            color: var(--color-accent);
            font-weight: 600;
            transition: gap 0.3s;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .read-link:hover {
            color: var(--color-primary);
            gap: 8px;
        }

        /* ===== 标签区 ===== */
        .tag-section {
            background: var(--color-bg-deep);
            position: relative;
        }

        .tag-section .section-tag {
            border-color: rgba(185, 138, 78, 0.4);
            background: rgba(185, 138, 78, 0.15);
        }

        .tag-section .section-head h2 {
            color: #f0e9dd;
        }

        .tag-section .section-head p {
            color: #9a9184;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .tag-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 9px 18px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 30px;
            font-size: 14px;
            color: #c4b9a8;
            transition: var(--transition);
        }

        .tag-item i {
            font-size: 12px;
            color: var(--color-accent);
        }

        .tag-item:hover {
            border-color: var(--color-accent);
            color: var(--color-accent-light);
            background: rgba(185, 138, 78, 0.12);
            transform: translateY(-2px);
        }

        .tag-item:focus {
            outline: 2px solid var(--color-accent-light);
            outline-offset: 2px;
        }

        /* ===== 精选推荐 ===== */
        .featured-section {
            background: var(--color-bg);
        }

        .featured-list {
            display: flex;
            flex-direction: column;
            gap: 26px;
        }

        .featured-item {
            display: grid;
            grid-template-columns: 80px 220px 1fr;
            align-items: center;
            gap: 28px;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-left: 4px solid var(--color-accent);
            border-radius: var(--radius-lg);
            padding: 22px 24px;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .featured-item:hover {
            transform: translateX(8px);
            box-shadow: var(--shadow-md);
            border-color: var(--color-border-dark);
        }

        .featured-num {
            font-family: var(--font-serif);
            font-size: 42px;
            font-weight: 800;
            color: var(--color-border-dark);
            text-align: center;
            line-height: 1;
        }

        .featured-thumb {
            width: 220px;
            height: 130px;
            border-radius: 10px;
            overflow: hidden;
            background: #ddd2be;
        }

        .featured-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .featured-item:hover .featured-thumb img {
            transform: scale(1.03);
        }

        .featured-content h3 {
            font-size: 18px;
            margin-bottom: 8px;
            font-weight: 700;
        }

        .featured-content p {
            font-size: 14px;
            color: var(--color-text-soft);
            margin-bottom: 10px;
            line-height: 1.7;
        }

        .featured-link {
            font-size: 14px;
            color: var(--color-accent);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap 0.3s;
        }

        .featured-link:hover {
            gap: 8px;
            color: var(--color-primary);
        }

        /* ===== 数据统计 ===== */
        .stats-section {
            background: var(--color-card);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
            padding: 70px 0;
        }

        .stat-col {
            margin-bottom: 20px;
        }

        .stat-item {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 30px 20px;
            background: #fffdf8;
            position: relative;
            text-align: center;
            height: 100%;
            transition: var(--transition);
        }

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

        .stat-item strong {
            font-size: 36px;
            font-weight: 800;
            color: var(--color-primary);
            display: block;
            font-family: var(--font-serif);
            margin-bottom: 6px;
        }

        .stat-item span {
            font-size: 14px;
            color: var(--color-text-soft);
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--color-bg);
        }

        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            overflow: hidden;
            background: var(--color-card);
            transition: var(--transition);
        }

        .faq-item summary {
            cursor: pointer;
            padding: 20px 24px;
            font-weight: 600;
            font-size: 16px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: var(--transition);
            list-style: none;
            gap: 16px;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            color: var(--color-accent);
            transition: transform 0.3s;
            flex-shrink: 0;
        }

        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }

        .faq-item[open] {
            border-color: var(--color-border-dark);
            box-shadow: var(--shadow-sm);
        }

        .faq-item summary:hover {
            background: rgba(185, 138, 78, 0.05);
        }

        .faq-answer {
            padding: 0 24px 20px;
            color: var(--color-text-soft);
            font-size: 15px;
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--color-bg-deep);
            position: relative;
        }

        .cta-card {
            background: linear-gradient(135deg, rgba(185, 138, 78, 0.15), rgba(31, 28, 23, 0.5));
            border: 1px solid rgba(185, 138, 78, 0.3);
            border-radius: var(--radius-lg);
            padding: 64px;
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
            box-shadow: var(--shadow-lg);
        }

        .cta-card h2 {
            color: #f0e9dd;
            font-size: 30px;
            margin-bottom: 14px;
            font-family: var(--font-serif);
            letter-spacing: 1px;
        }

        .cta-card p {
            color: #b5ac9e;
            margin-bottom: 30px;
            font-size: 16px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            margin-left: 260px;
            background: var(--color-bg-deep);
            color: #b5ac9e;
            padding: 70px 0 0;
        }

        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            color: #f0e9dd;
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 16px;
            font-family: var(--font-serif);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: #8d8478;
        }

        .footer-col h4 {
            font-size: 15px;
            color: #f0e9dd;
            margin-bottom: 18px;
            font-weight: 700;
        }

        .footer-col a {
            display: block;
            padding: 6px 0;
            color: #8d8478;
            font-size: 14px;
            transition: var(--transition);
        }

        .footer-col a:hover {
            color: var(--color-accent-light);
            padding-left: 6px;
        }

        .footer-col a:focus {
            outline: 2px solid var(--color-accent-light);
            outline-offset: 2px;
        }

        .copyright {
            padding: 24px 0 30px;
            text-align: center;
            font-size: 13px;
            color: #6f6557;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .news-col {
                margin-bottom: 24px;
            }

            .featured-item {
                grid-template-columns: 60px 180px 1fr;
                gap: 20px;
                padding: 18px;
            }

            .featured-thumb {
                width: 180px;
                height: 110px;
            }

            .featured-num {
                font-size: 34px;
            }
        }

        @media (max-width: 840px) {
            .site-sidebar {
                position: relative;
                width: 100%;
                height: auto;
                padding: 16px 20px;
                flex-direction: row;
                align-items: center;
                flex-wrap: wrap;
                gap: 10px;
                border-right: none;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                box-shadow: none;
            }

            .site-main {
                margin-left: 0;
            }

            .site-footer {
                margin-left: 0;
            }

            .brand {
                margin-right: auto;
            }

            .brand-text {
                font-size: 16px;
            }

            .side-nav {
                flex-direction: row;
                flex-wrap: wrap;
                width: 100%;
                order: 3;
                margin-top: 6px;
                gap: 6px;
            }

            .nav-link {
                padding: 8px 14px;
                font-size: 14px;
                border-radius: 30px;
            }

            .nav-link:hover {
                transform: none;
            }

            .sidebar-note {
                display: none;
            }

            .category-hero {
                padding: 70px 0 60px;
            }

            .category-hero h1 {
                font-size: 38px;
            }

            .container,
            .grid-container {
                padding: 0 24px;
            }

            .cta-card {
                padding: 44px 30px;
            }
        }

        @media (max-width: 640px) {
            section {
                padding: 65px 0;
            }

            .container,
            .grid-container {
                padding: 0 20px;
            }

            .category-hero h1 {
                font-size: 30px;
                letter-spacing: 2px;
            }

            .category-hero p {
                font-size: 16px;
            }

            .hero-actions {
                flex-direction: column;
            }

            .btn {
                width: 100%;
                justify-content: center;
            }

            .section-head h2 {
                font-size: 26px;
            }

            .section-head p {
                font-size: 15px;
            }

            .featured-item {
                grid-template-columns: 1fr;
                text-align: left;
                padding: 20px;
            }

            .featured-num {
                display: none;
            }

            .featured-thumb {
                width: 100%;
                height: 160px;
                margin-bottom: 12px;
            }

            .footer-inner {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .stat-item strong {
                font-size: 28px;
            }

            .cta-card {
                padding: 36px 20px;
            }

            .cta-card h2 {
                font-size: 24px;
            }

            .copyright {
                padding: 20px 0 24px;
            }
        }