/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1B2A4A;
            --primary-light: #2C4270;
            --accent: #C9A84C;
            --accent-light: #E8D48B;
            --accent-dark: #A88A2E;
            --bg: #F8F6F1;
            --bg-dark: #1B2A4A;
            --bg-card: #FFFFFF;
            --text: #2D2D2D;
            --text-light: #6B6B6B;
            --text-white: #F5F0E8;
            --border: #E5E0D8;
            --border-light: #F0ECE6;
            --shadow: 0 4px 20px rgba(0,0,0,0.06);
            --shadow-hover: 0 12px 40px rgba(0,0,0,0.12);
            --radius: 16px;
            --radius-sm: 8px;
            --radius-lg: 24px;
            --nav-width: 240px;
            --header-height: 0px;
            --gap: 24px;
            --gap-lg: 48px;
            --max-width: 1200px;
            --font: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            display: flex;
            min-height: 100vh;
        }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        img { display: block; max-width: 100%; height: auto; }
        button, input, textarea { font-family: inherit; font-size: inherit; border: none; outline: none; }
        button { cursor: pointer; background: none; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 600; color: var(--primary); }
        h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
        h2 { font-size: clamp(1.5rem, 3.5vw, 2.2rem); margin-bottom: var(--gap); }
        h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); }
        p { margin-bottom: 1rem; color: var(--text-light); }
        .container { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--gap); width: 100%; }

        /* ===== 左侧导航 ===== */
        .nav-side {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--nav-width);
            height: 100vh;
            background: var(--primary);
            color: var(--text-white);
            display: flex;
            flex-direction: column;
            z-index: 1000;
            transition: transform var(--transition);
            overflow-y: auto;
            border-right: 1px solid rgba(255,255,255,0.06);
        }
        .nav-side .logo {
            padding: 32px 24px 20px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .nav-side .logo a {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .nav-side .logo a i {
            font-size: 1.6rem;
            color: var(--accent-light);
        }
        .nav-side .logo .sub {
            font-size: 0.7rem;
            color: rgba(255,255,255,0.5);
            letter-spacing: 2px;
            margin-top: 4px;
            padding-left: 2px;
        }
        .nav-side .nav-links {
            flex: 1;
            padding: 16px 0;
        }
        .nav-side .nav-links a {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 24px;
            color: rgba(255,255,255,0.7);
            font-size: 0.95rem;
            font-weight: 400;
            border-left: 3px solid transparent;
            transition: var(--transition);
        }
        .nav-side .nav-links a i {
            width: 20px;
            text-align: center;
            font-size: 1.1rem;
        }
        .nav-side .nav-links a:hover,
        .nav-side .nav-links a.active {
            color: var(--accent-light);
            background: rgba(255,255,255,0.04);
            border-left-color: var(--accent);
        }
        .nav-side .nav-links a.active {
            font-weight: 500;
            color: var(--accent);
        }
        .nav-side .nav-footer {
            padding: 20px 24px;
            border-top: 1px solid rgba(255,255,255,0.06);
            font-size: 0.75rem;
            color: rgba(255,255,255,0.35);
            text-align: center;
            line-height: 1.6;
        }
        .nav-side .nav-footer a {
            color: rgba(255,255,255,0.5);
        }
        .nav-side .nav-footer a:hover {
            color: var(--accent-light);
        }

        /* ===== 主内容区 ===== */
        .main-content {
            margin-left: var(--nav-width);
            flex: 1;
            min-height: 100vh;
            width: calc(100% - var(--nav-width));
        }

        /* ===== 移动端顶部导航 ===== */
        .nav-top-mobile {
            display: none;
            position: sticky;
            top: 0;
            z-index: 999;
            background: var(--primary);
            padding: 12px 20px;
            align-items: center;
            justify-content: space-between;
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }
        .nav-top-mobile .logo-m {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-top-mobile .logo-m i {
            color: var(--accent-light);
        }
        .nav-top-mobile .hamburger {
            color: var(--text-white);
            font-size: 1.5rem;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .nav-top-mobile .hamburger:hover {
            background: rgba(255,255,255,0.1);
        }

        /* ===== 移动端抽屉遮罩 ===== */
        .drawer-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.5);
            z-index: 999;
            opacity: 0;
            transition: opacity var(--transition);
        }
        .drawer-overlay.active {
            opacity: 1;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 70vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--primary);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            overflow: hidden;
            padding: 80px 40px;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(27,42,74,0.75) 0%, rgba(27,42,74,0.3) 100%);
            z-index: 1;
        }
        .hero .hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
            text-align: center;
            color: var(--text-white);
        }
        .hero .hero-content .badge {
            display: inline-block;
            background: var(--accent);
            color: var(--primary);
            padding: 6px 20px;
            border-radius: 40px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 2px;
            margin-bottom: 20px;
            text-transform: uppercase;
        }
        .hero .hero-content h1 {
            color: var(--text-white);
            font-size: clamp(2.2rem, 6vw, 3.8rem);
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 16px;
            text-shadow: 0 2px 20px rgba(0,0,0,0.3);
        }
        .hero .hero-content h1 span {
            color: var(--accent);
        }
        .hero .hero-content p {
            color: rgba(255,255,255,0.85);
            font-size: clamp(1rem, 2vw, 1.2rem);
            max-width: 560px;
            margin: 0 auto 32px;
            line-height: 1.8;
            text-shadow: 0 1px 10px rgba(0,0,0,0.2);
        }
        .hero .hero-content .hero-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 60px;
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition);
            border: 2px solid transparent;
        }
        .btn-primary {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
        }
        .btn-primary:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(201,168,76,0.4);
        }
        .btn-outline {
            background: transparent;
            color: var(--text-white);
            border-color: rgba(255,255,255,0.5);
        }
        .btn-outline:hover {
            background: rgba(255,255,255,0.12);
            border-color: var(--text-white);
            transform: translateY(-2px);
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--bg-card);
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-white);
        }
        .section-dark h2,
        .section-dark h3 {
            color: var(--text-white);
        }
        .section-dark p {
            color: rgba(255,255,255,0.7);
        }
        .section-header {
            text-align: center;
            max-width: 640px;
            margin: 0 auto var(--gap-lg);
        }
        .section-header p {
            font-size: 1.05rem;
        }
        .section-header .badge {
            display: inline-block;
            background: var(--accent);
            color: var(--primary);
            padding: 4px 16px;
            border-radius: 40px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 12px;
        }

        /* ===== 品牌介绍 ===== */
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--gap-lg);
            align-items: center;
        }
        .intro-grid .intro-image {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            aspect-ratio: 4/3;
            background: var(--border);
        }
        .intro-grid .intro-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .intro-grid .intro-text h2 {
            margin-bottom: 16px;
        }
        .intro-grid .intro-text p {
            margin-bottom: 16px;
        }
        .intro-grid .intro-text .feature-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-top: 16px;
        }
        .intro-grid .intro-text .feature-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.95rem;
            color: var(--text);
        }
        .intro-grid .intro-text .feature-list li i {
            color: var(--accent);
            font-size: 1.1rem;
            width: 24px;
        }

        /* ===== 核心特色 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gap);
        }
        .feature-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 36px 28px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid var(--border-light);
            text-align: center;
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .feature-card .icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: rgba(201,168,76,0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.6rem;
            color: var(--accent);
        }
        .feature-card h3 {
            margin-bottom: 10px;
        }
        .feature-card p {
            font-size: 0.9rem;
            margin-bottom: 0;
        }

        /* ===== 分类入口 ===== */
        .category-hero {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--primary);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            min-height: 300px;
            display: flex;
            align-items: center;
            padding: 48px 56px;
            margin-top: 16px;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(27,42,74,0.7) 0%, rgba(27,42,74,0.2) 100%);
            z-index: 1;
        }
        .category-hero .cat-content {
            position: relative;
            z-index: 2;
            color: var(--text-white);
            max-width: 520px;
        }
        .category-hero .cat-content .cat-badge {
            display: inline-block;
            background: var(--accent);
            color: var(--primary);
            padding: 4px 16px;
            border-radius: 40px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 12px;
        }
        .category-hero .cat-content h2 {
            color: var(--text-white);
            margin-bottom: 12px;
        }
        .category-hero .cat-content p {
            color: rgba(255,255,255,0.85);
            margin-bottom: 20px;
        }

        /* ===== 最新资讯 ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: var(--gap);
        }
        .news-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .news-card .card-img {
            aspect-ratio: 16/10;
            background: var(--border);
            overflow: hidden;
        }
        .news-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }
        .news-card:hover .card-img img {
            transform: scale(1.05);
        }
        .news-card .card-body {
            padding: 20px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card .card-body .cat-tag {
            display: inline-block;
            background: rgba(201,168,76,0.12);
            color: var(--accent-dark);
            padding: 2px 12px;
            border-radius: 20px;
            font-size: 0.7rem;
            font-weight: 500;
            margin-bottom: 10px;
            align-self: flex-start;
        }
        .news-card .card-body h3 {
            font-size: 1rem;
            margin-bottom: 8px;
            color: var(--primary);
            line-height: 1.4;
        }
        .news-card .card-body p {
            font-size: 0.85rem;
            color: var(--text-light);
            flex: 1;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card .card-body .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.75rem;
            color: var(--text-light);
            border-top: 1px solid var(--border-light);
            padding-top: 12px;
            margin-top: auto;
        }
        .news-card .card-body .card-meta time i {
            margin-right: 4px;
        }
        .news-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 48px 24px;
            color: var(--text-light);
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px dashed var(--border);
        }
        .news-empty i {
            font-size: 2rem;
            color: var(--accent);
            margin-bottom: 12px;
            display: block;
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--gap);
            text-align: center;
        }
        .stat-item {
            padding: 24px 12px;
        }
        .stat-item .stat-number {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .stat-item .stat-label {
            font-size: 0.9rem;
            color: rgba(255,255,255,0.7);
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 740px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--accent-light);
        }
        .faq-item .faq-q {
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 500;
            color: var(--primary);
            transition: var(--transition);
        }
        .faq-item .faq-q i {
            color: var(--accent);
            transition: transform var(--transition);
            font-size: 0.9rem;
        }
        .faq-item.active .faq-q i {
            transform: rotate(180deg);
        }
        .faq-item .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
            color: var(--text-light);
            font-size: 0.9rem;
            line-height: 1.7;
        }
        .faq-item.active .faq-a {
            max-height: 300px;
            padding: 0 24px 18px;
        }

        /* ===== CTA ===== */
        .cta-block {
            background: var(--primary);
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            border-radius: var(--radius-lg);
            padding: 64px 48px;
            text-align: center;
            color: var(--text-white);
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(27,42,74,0.75) 0%, rgba(27,42,74,0.3) 100%);
            z-index: 1;
        }
        .cta-block .cta-content {
            position: relative;
            z-index: 2;
        }
        .cta-block h2 {
            color: var(--text-white);
            margin-bottom: 12px;
        }
        .cta-block p {
            color: rgba(255,255,255,0.85);
            max-width: 520px;
            margin: 0 auto 28px;
        }
        .cta-block .btn-primary {
            font-size: 1.05rem;
            padding: 16px 40px;
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--primary);
            color: rgba(255,255,255,0.6);
            padding: 48px 0 32px;
            border-top: 1px solid rgba(255,255,255,0.06);
        }
        .footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--gap);
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }
        .footer .footer-brand h3 {
            color: var(--accent);
            font-size: 1.2rem;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer .footer-brand p {
            font-size: 0.85rem;
            color: rgba(255,255,255,0.5);
            max-width: 280px;
        }
        .footer .footer-col h4 {
            color: var(--text-white);
            font-size: 0.9rem;
            margin-bottom: 12px;
            font-weight: 500;
        }
        .footer .footer-col a {
            display: block;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.5);
            padding: 4px 0;
        }
        .footer .footer-col a:hover {
            color: var(--accent-light);
        }
        .footer .footer-bottom {
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.78rem;
            color: rgba(255,255,255,0.35);
        }
        .footer .footer-bottom a {
            color: rgba(255,255,255,0.4);
        }
        .footer .footer-bottom a:hover {
            color: var(--accent-light);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .intro-grid {
                grid-template-columns: 1fr;
                gap: var(--gap);
            }
            .intro-grid .intro-image {
                aspect-ratio: 16/9;
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            body {
                flex-direction: column;
            }
            .nav-side {
                transform: translateX(-100%);
            }
            .nav-side.active {
                transform: translateX(0);
            }
            .nav-top-mobile {
                display: flex;
            }
            .main-content {
                margin-left: 0;
                width: 100%;
            }
            .hero {
                min-height: 60vh;
                padding: 60px 24px;
            }
            .section {
                padding: 48px 0;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .category-hero {
                padding: 32px 24px;
                min-height: 240px;
            }
            .cta-block {
                padding: 40px 24px;
            }
            .footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .drawer-overlay.active {
                display: block;
            }
        }

        @media (max-width: 520px) {
            .hero .hero-content .hero-actions {
                flex-direction: column;
                align-items: center;
            }
            .hero .hero-content .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .stat-item {
                padding: 16px 8px;
            }
            .faq-item .faq-q {
                padding: 14px 16px;
                font-size: 0.9rem;
            }
            .news-card .card-body {
                padding: 16px 18px 20px;
            }
        }

        /* ===== 工具类 ===== */
        .text-center { text-align: center; }
        .mt-16 { margin-top: 16px; }
        .mt-24 { margin-top: 24px; }
        .mb-16 { margin-bottom: 16px; }
        .mb-24 { margin-bottom: 24px; }
        .gap-8 { gap: 8px; }
        .flex-center { display: flex; align-items: center; justify-content: center; }

/* roulang page: article */
/* ===== 设计变量 ===== */
    :root {
        --color-primary: #C9A96E;
        --color-primary-dark: #B8923E;
        --color-primary-light: #E8D5A8;
        --color-secondary: #1A2B4C;
        --color-secondary-light: #2C4068;
        --color-accent: #D4A853;
        --color-bg: #FBF9F6;
        --color-bg-alt: #F4F0EA;
        --color-bg-dark: #0F1B33;
        --color-text: #2C2C2C;
        --color-text-light: #6B6B6B;
        --color-text-muted: #999999;
        --color-border: #E5DDD4;
        --color-white: #FFFFFF;
        --color-success: #4CAF50;
        --color-warning: #FF9800;
        --color-error: #E74C3C;
        --font-primary: 'Georgia', 'Times New Roman', 'Noto Serif SC', serif;
        --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        --radius-sm: 6px;
        --radius-md: 12px;
        --radius-lg: 20px;
        --radius-xl: 28px;
        --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
        --shadow-md: 0 6px 24px rgba(0,0,0,0.10);
        --shadow-lg: 0 16px 48px rgba(0,0,0,0.14);
        --shadow-glow: 0 0 30px rgba(201,169,110,0.25);
        --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        --nav-width: 240px;
        --header-height: 0px;
        --max-width: 1200px;
        --content-max-width: 820px;
        --spacing-section: 80px;
        --spacing-block: 48px;
    }

    /* ===== 基础 Reset ===== */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
    body {
        font-family: var(--font-body);
        color: var(--color-text);
        background: var(--color-bg);
        line-height: 1.7;
        font-size: 16px;
        overflow-x: hidden;
        display: flex;
        min-height: 100vh;
    }
    a { color: var(--color-primary-dark); text-decoration: none; transition: var(--transition); }
    a:hover, a:focus { color: var(--color-secondary); }
    a:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 2px; }
    img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-md); }
    h1, h2, h3, h4, h5, h6 {
        font-family: var(--font-primary);
        font-weight: 700;
        line-height: 1.3;
        color: var(--color-secondary);
    }
    p { margin-bottom: 1.2em; }
    ul, ol { padding-left: 1.5em; margin-bottom: 1.2em; }
    li { margin-bottom: 0.4em; }
    button, input, textarea, select { font-family: inherit; font-size: inherit; }
    .container {
        max-width: var(--max-width);
        margin: 0 auto;
        padding: 0 24px;
    }

    /* ===== 左侧导航 ===== */
    .nav-side {
        position: fixed;
        top: 0; left: 0;
        width: var(--nav-width);
        height: 100vh;
        background: var(--color-secondary);
        color: var(--color-white);
        display: flex;
        flex-direction: column;
        padding: 32px 20px 24px;
        z-index: 1000;
        transition: var(--transition);
        overflow-y: auto;
        box-shadow: 2px 0 20px rgba(0,0,0,0.15);
    }
    .nav-side .logo { margin-bottom: 40px; }
    .nav-side .logo a {
        font-family: var(--font-primary);
        font-size: 22px;
        color: var(--color-primary);
        display: flex;
        align-items: center;
        gap: 10px;
        letter-spacing: 1px;
        transition: var(--transition);
    }
    .nav-side .logo a:hover { color: var(--color-primary-light); }
    .nav-side .logo a i { font-size: 26px; }
    .nav-side .logo .sub {
        font-size: 12px;
        color: rgba(255,255,255,0.5);
        letter-spacing: 3px;
        margin-top: 4px;
        padding-left: 36px;
        font-family: var(--font-body);
    }
    .nav-links {
        display: flex;
        flex-direction: column;
        gap: 6px;
        flex: 1;
    }
    .nav-links a {
        display: flex;
        align-items: center;
        gap: 14px;
        padding: 12px 16px;
        border-radius: var(--radius-sm);
        color: rgba(255,255,255,0.7);
        font-size: 15px;
        font-weight: 500;
        transition: var(--transition);
        position: relative;
    }
    .nav-links a i { width: 20px; text-align: center; font-size: 16px; }
    .nav-links a:hover {
        color: var(--color-white);
        background: rgba(255,255,255,0.08);
    }
    .nav-links a.active {
        color: var(--color-primary);
        background: rgba(201,169,110,0.15);
    }
    .nav-links a.active::before {
        content: '';
        position: absolute;
        left: 0;
        top: 50%;
        transform: translateY(-50%);
        width: 3px;
        height: 24px;
        background: var(--color-primary);
        border-radius: 0 3px 3px 0;
    }
    .nav-footer {
        margin-top: auto;
        padding-top: 24px;
        border-top: 1px solid rgba(255,255,255,0.08);
        font-size: 12px;
        color: rgba(255,255,255,0.35);
        text-align: center;
        line-height: 1.6;
    }
    .nav-footer a { color: rgba(255,255,255,0.4); }
    .nav-footer a:hover { color: var(--color-primary); }

    /* ===== 主内容区 ===== */
    .main-content {
        margin-left: var(--nav-width);
        flex: 1;
        min-height: 100vh;
        display: flex;
        flex-direction: column;
    }

    /* ===== 文章 Banner ===== */
    .article-banner {
        position: relative;
        padding: 100px 0 80px;
        background: var(--color-bg-dark);
        overflow: hidden;
    }
    .article-banner .bg-overlay {
        position: absolute;
        inset: 0;
        background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
        opacity: 0.35;
        mix-blend-mode: overlay;
    }
    .article-banner .bg-gradient {
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg, rgba(15,27,51,0.92) 0%, rgba(26,43,76,0.75) 60%, rgba(201,169,110,0.20) 100%);
    }
    .article-banner .container {
        position: relative;
        z-index: 2;
        max-width: var(--content-max-width);
        text-align: center;
    }
    .article-banner .breadcrumb {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        color: rgba(255,255,255,0.5);
        margin-bottom: 28px;
        flex-wrap: wrap;
        justify-content: center;
    }
    .article-banner .breadcrumb a { color: rgba(255,255,255,0.6); }
    .article-banner .breadcrumb a:hover { color: var(--color-primary); }
    .article-banner .breadcrumb span { color: rgba(255,255,255,0.35); }
    .article-banner .category-badge {
        display: inline-block;
        padding: 6px 20px;
        background: var(--color-primary);
        color: var(--color-secondary);
        font-size: 13px;
        font-weight: 600;
        border-radius: 50px;
        letter-spacing: 1px;
        margin-bottom: 20px;
        text-transform: uppercase;
    }
    .article-banner h1 {
        font-size: 40px;
        color: var(--color-white);
        line-height: 1.25;
        margin-bottom: 20px;
        letter-spacing: 1px;
    }
    .article-meta {
        display: flex;
        justify-content: center;
        align-items: center;
        gap: 24px;
        flex-wrap: wrap;
        color: rgba(255,255,255,0.6);
        font-size: 14px;
    }
    .article-meta i { margin-right: 6px; color: var(--color-primary); }

    /* ===== 文章正文 ===== */
    .article-body-section {
        padding: 64px 0 48px;
        background: var(--color-white);
    }
    .article-body-section .container {
        max-width: var(--content-max-width);
    }
    .article-content {
        font-size: 17px;
        line-height: 1.9;
        color: var(--color-text);
    }
    .article-content p { margin-bottom: 1.6em; }
    .article-content h2 {
        font-size: 28px;
        margin-top: 2em;
        margin-bottom: 0.8em;
        padding-bottom: 12px;
        border-bottom: 2px solid var(--color-border);
    }
    .article-content h3 {
        font-size: 22px;
        margin-top: 1.8em;
        margin-bottom: 0.6em;
        color: var(--color-secondary-light);
    }
    .article-content blockquote {
        margin: 2em 0;
        padding: 24px 32px;
        background: var(--color-bg-alt);
        border-left: 4px solid var(--color-primary);
        border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        font-style: italic;
        color: var(--color-text-light);
        font-size: 18px;
    }
    .article-content blockquote p:last-child { margin-bottom: 0; }
    .article-content ul, .article-content ol { padding-left: 1.8em; margin-bottom: 1.6em; }
    .article-content li { margin-bottom: 0.5em; }
    .article-content img {
        margin: 2em auto;
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-md);
        max-width: 100%;
    }
    .article-content figure {
        margin: 2em 0;
        text-align: center;
    }
    .article-content figure figcaption {
        font-size: 14px;
        color: var(--color-text-muted);
        margin-top: 8px;
    }
    .article-content a { text-decoration: underline; text-underline-offset: 3px; }

    /* ===== 标签 ===== */
    .article-tags {
        padding: 32px 0;
        border-top: 1px solid var(--color-border);
        margin-top: 40px;
    }
    .article-tags .container {
        max-width: var(--content-max-width);
    }
    .article-tags .tags-label {
        font-size: 14px;
        color: var(--color-text-muted);
        margin-right: 12px;
        display: inline-block;
    }
    .article-tags .tag-list {
        display: inline-flex;
        flex-wrap: wrap;
        gap: 10px;
    }
    .article-tags .tag-item {
        display: inline-block;
        padding: 5px 16px;
        background: var(--color-bg-alt);
        color: var(--color-text-light);
        font-size: 13px;
        border-radius: 50px;
        border: 1px solid var(--color-border);
        transition: var(--transition);
    }
    .article-tags .tag-item:hover {
        background: var(--color-primary);
        color: var(--color-white);
        border-color: var(--color-primary);
    }

    /* ===== 相关推荐 ===== */
    .related-section {
        padding: 64px 0;
        background: var(--color-bg-alt);
    }
    .related-section .section-title {
        text-align: center;
        font-size: 30px;
        margin-bottom: 16px;
        color: var(--color-secondary);
    }
    .related-section .section-sub {
        text-align: center;
        color: var(--color-text-muted);
        margin-bottom: 40px;
        font-size: 16px;
    }
    .related-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 28px;
    }
    .related-card {
        background: var(--color-white);
        border-radius: var(--radius-md);
        overflow: hidden;
        box-shadow: var(--shadow-sm);
        transition: var(--transition);
    }
    .related-card:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow-md);
    }
    .related-card .card-img {
        width: 100%;
        height: 200px;
        object-fit: cover;
    }
    .related-card .card-body {
        padding: 24px;
    }
    .related-card .card-cat {
        font-size: 12px;
        color: var(--color-primary-dark);
        font-weight: 600;
        letter-spacing: 1px;
        text-transform: uppercase;
    }
    .related-card .card-title {
        font-size: 18px;
        margin: 8px 0 12px;
        color: var(--color-secondary);
        line-height: 1.4;
    }
    .related-card .card-title a { color: inherit; }
    .related-card .card-title a:hover { color: var(--color-primary-dark); }
    .related-card .card-excerpt {
        font-size: 14px;
        color: var(--color-text-light);
        line-height: 1.6;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    /* ===== FAQ ===== */
    .faq-section {
        padding: 64px 0;
        background: var(--color-white);
    }
    .faq-section .container {
        max-width: var(--content-max-width);
    }
    .faq-section .section-title {
        text-align: center;
        font-size: 30px;
        margin-bottom: 40px;
        color: var(--color-secondary);
    }
    .faq-item {
        border-bottom: 1px solid var(--color-border);
        padding: 18px 0;
    }
    .faq-item:first-child { border-top: 1px solid var(--color-border); }
    .faq-question {
        display: flex;
        justify-content: space-between;
        align-items: center;
        cursor: pointer;
        font-size: 17px;
        font-weight: 600;
        color: var(--color-secondary);
        padding: 4px 0;
        transition: var(--transition);
        background: none;
        border: none;
        width: 100%;
        text-align: left;
        font-family: var(--font-body);
    }
    .faq-question:hover { color: var(--color-primary-dark); }
    .faq-question i { font-size: 14px; transition: var(--transition); color: var(--color-primary); }
    .faq-question.open i { transform: rotate(180deg); }
    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease, padding 0.3s ease;
        color: var(--color-text-light);
        font-size: 15px;
        line-height: 1.7;
    }
    .faq-answer.open {
        max-height: 400px;
        padding-top: 14px;
    }

    /* ===== CTA ===== */
    .cta-section {
        padding: 72px 0;
        background: var(--color-secondary);
        position: relative;
        overflow: hidden;
    }
    .cta-section::before {
        content: '';
        position: absolute;
        inset: 0;
        background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
        opacity: 0.08;
    }
    .cta-section .container {
        position: relative;
        z-index: 2;
        text-align: center;
    }
    .cta-section h2 {
        font-size: 34px;
        color: var(--color-white);
        margin-bottom: 16px;
    }
    .cta-section p {
        color: rgba(255,255,255,0.7);
        font-size: 17px;
        max-width: 600px;
        margin: 0 auto 32px;
    }
    .cta-btn {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        padding: 16px 48px;
        background: var(--color-primary);
        color: var(--color-secondary);
        font-size: 16px;
        font-weight: 700;
        border: none;
        border-radius: 50px;
        cursor: pointer;
        transition: var(--transition);
        letter-spacing: 1px;
        text-decoration: none;
    }
    .cta-btn:hover {
        background: var(--color-primary-dark);
        color: var(--color-white);
        transform: translateY(-2px);
        box-shadow: var(--shadow-glow);
    }
    .cta-btn i { font-size: 18px; }

    /* ===== 分享区 ===== */
    .share-section {
        padding: 32px 0;
        background: var(--color-bg);
        border-top: 1px solid var(--color-border);
    }
    .share-section .container {
        max-width: var(--content-max-width);
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 16px;
    }
    .share-label { font-size: 14px; color: var(--color-text-muted); }
    .share-buttons { display: flex; gap: 10px; }
    .share-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background: var(--color-bg-alt);
        color: var(--color-text-light);
        border: 1px solid var(--color-border);
        transition: var(--transition);
        font-size: 16px;
        text-decoration: none;
    }
    .share-btn:hover {
        background: var(--color-primary);
        color: var(--color-white);
        border-color: var(--color-primary);
        transform: translateY(-2px);
    }

    /* ===== 内容未找到 ===== */
    .not-found-section {
        padding: 120px 0;
        text-align: center;
        background: var(--color-white);
        min-height: 60vh;
        display: flex;
        align-items: center;
    }
    .not-found-section .nf-icon {
        font-size: 64px;
        color: var(--color-primary);
        margin-bottom: 24px;
    }
    .not-found-section h2 {
        font-size: 32px;
        margin-bottom: 16px;
    }
    .not-found-section p {
        color: var(--color-text-light);
        margin-bottom: 32px;
        font-size: 17px;
    }
    .not-found-section .back-home {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 14px 36px;
        background: var(--color-primary);
        color: var(--color-secondary);
        font-weight: 600;
        border-radius: 50px;
        transition: var(--transition);
    }
    .not-found-section .back-home:hover {
        background: var(--color-secondary);
        color: var(--color-white);
    }

    /* ===== 页脚 ===== */
    .footer {
        background: var(--color-bg-dark);
        color: rgba(255,255,255,0.7);
        padding: 64px 0 32px;
        margin-top: auto;
    }
    .footer .container { max-width: var(--max-width); }
    .footer-grid {
        display: grid;
        grid-template-columns: 1.5fr 1fr 1fr 1fr;
        gap: 40px;
        margin-bottom: 40px;
    }
    .footer-brand h3 {
        font-size: 20px;
        color: var(--color-primary);
        margin-bottom: 12px;
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .footer-brand p {
        font-size: 14px;
        color: rgba(255,255,255,0.5);
        line-height: 1.7;
    }
    .footer-col h4 {
        font-size: 15px;
        color: var(--color-white);
        margin-bottom: 16px;
        font-family: var(--font-body);
        font-weight: 600;
    }
    .footer-col a {
        display: block;
        font-size: 14px;
        color: rgba(255,255,255,0.5);
        margin-bottom: 10px;
        transition: var(--transition);
    }
    .footer-col a:hover { color: var(--color-primary); padding-left: 4px; }
    .footer-col a i { width: 20px; margin-right: 6px; }
    .footer-bottom {
        border-top: 1px solid rgba(255,255,255,0.06);
        padding-top: 24px;
        display: flex;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 12px;
        font-size: 13px;
        color: rgba(255,255,255,0.3);
    }
    .footer-bottom a { color: rgba(255,255,255,0.35); }
    .footer-bottom a:hover { color: var(--color-primary); }

    /* ===== 响应式 ===== */
    @media (max-width: 1024px) {
        :root { --nav-width: 200px; --spacing-section: 60px; }
        .article-banner h1 { font-size: 32px; }
        .related-grid { grid-template-columns: repeat(2, 1fr); }
        .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    }

    @media (max-width: 768px) {
        body { flex-direction: column; }
        .nav-side {
            position: relative;
            width: 100%;
            height: auto;
            padding: 16px 20px;
            flex-direction: row;
            flex-wrap: wrap;
            align-items: center;
            box-shadow: 0 2px 12px rgba(0,0,0,0.12);
        }
        .nav-side .logo {
            margin-bottom: 0;
            flex: 1;
        }
        .nav-side .logo a { font-size: 18px; }
        .nav-side .logo .sub { display: none; }
        .nav-links {
            flex-direction: row;
            flex: 0 0 auto;
            gap: 4px;
            margin-left: auto;
        }
        .nav-links a {
            padding: 8px 14px;
            font-size: 13px;
            gap: 8px;
        }
        .nav-links a i { font-size: 14px; width: auto; }
        .nav-links a.active::before { display: none; }
        .nav-footer { display: none; }
        .main-content { margin-left: 0; }
        :root { --nav-width: 0px; --spacing-section: 48px; }

        .article-banner { padding: 60px 0 48px; }
        .article-banner h1 { font-size: 26px; }
        .article-meta { gap: 12px; font-size: 13px; }
        .article-body-section { padding: 40px 0 32px; }
        .article-content { font-size: 16px; }
        .article-content h2 { font-size: 22px; }
        .article-content blockquote { padding: 16px 20px; font-size: 16px; }
        .related-grid { grid-template-columns: 1fr; gap: 20px; }
        .related-section .section-title,
        .faq-section .section-title { font-size: 24px; }
        .cta-section h2 { font-size: 26px; }
        .cta-btn { padding: 14px 32px; font-size: 15px; }
        .footer-grid { grid-template-columns: 1fr; gap: 24px; }
        .footer-bottom { flex-direction: column; text-align: center; }
        .share-section .container { flex-direction: column; text-align: center; }
        .not-found-section { padding: 80px 0; }
        .not-found-section h2 { font-size: 26px; }
    }

    @media (max-width: 520px) {
        .nav-side { padding: 12px 16px; }
        .nav-side .logo a { font-size: 16px; }
        .nav-links a {
            padding: 6px 10px;
            font-size: 12px;
            gap: 4px;
        }
        .nav-links a i { font-size: 12px; }
        .article-banner h1 { font-size: 22px; }
        .article-banner { padding: 40px 0 32px; }
        .article-content { font-size: 15px; }
        .article-content h2 { font-size: 20px; }
        .article-content h3 { font-size: 18px; }
        .cta-section h2 { font-size: 22px; }
        .cta-section p { font-size: 15px; }
        .cta-btn { padding: 12px 24px; font-size: 14px; }
        .faq-question { font-size: 15px; }
        .related-card .card-body { padding: 16px; }
        .related-card .card-title { font-size: 16px; }
    }

    @media (max-width: 400px) {
        .nav-links a { padding: 4px 8px; font-size: 11px; }
        .nav-links a span { display: none; }
        .nav-links a i { font-size: 16px; }
    }

/* roulang page: category1 */
/* ===== Design Variables ===== */
    :root {
        --primary: #b8860b;
        --primary-light: #d4a843;
        --primary-dark: #8b6914;
        --secondary: #1a1a2e;
        --secondary-light: #2d2d44;
        --accent: #c9a962;
        --bg-body: #f7f5f0;
        --bg-card: #ffffff;
        --bg-dark: #0f0f1a;
        --bg-warm: #f0ece4;
        --text-primary: #1e1e2a;
        --text-secondary: #4a4a5a;
        --text-muted: #8a8a9a;
        --text-light: #f0ece4;
        --border: #e0d8cc;
        --border-light: #f0ece4;
        --radius: 12px;
        --radius-sm: 8px;
        --radius-lg: 20px;
        --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
        --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.10);
        --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.15);
        --shadow-gold: 0 8px 30px rgba(184, 134, 11, 0.20);
        --font-sans: 'Segoe UI', system-ui, -apple-system, 'Helvetica Neue', sans-serif;
        --font-serif: 'Georgia', 'Times New Roman', serif;
        --nav-width: 240px;
        --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        --max-width: 1200px;
    }

    /* ===== Reset & Base ===== */
    *,
    *::before,
    *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }

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

    body {
        font-family: var(--font-sans);
        background: var(--bg-body);
        color: var(--text-primary);
        line-height: 1.7;
        font-size: 16px;
        display: flex;
        min-height: 100vh;
    }

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

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

    button,
    input,
    textarea {
        font-family: inherit;
        font-size: inherit;
        border: none;
        outline: none;
        transition: var(--transition);
    }

    ul,
    ol {
        list-style: none;
    }

    h1,
    h2,
    h3,
    h4,
    h5,
    h6 {
        line-height: 1.25;
        font-weight: 700;
        color: var(--text-primary);
    }

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

    .section {
        padding: 72px 0;
    }

    .section-title {
        font-size: 2rem;
        margin-bottom: 12px;
        letter-spacing: -0.5px;
    }

    .section-sub {
        font-size: 1.05rem;
        color: var(--text-secondary);
        max-width: 680px;
        margin-bottom: 40px;
        line-height: 1.6;
    }

    .text-center {
        text-align: center;
    }

    .mx-auto {
        margin-left: auto;
        margin-right: auto;
    }

    /* ===== Left Side Navigation ===== */
    .nav-side {
        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;
        padding: 32px 20px;
        z-index: 1000;
        overflow-y: auto;
        border-right: 1px solid rgba(255, 255, 255, 0.06);
        transition: transform var(--transition);
    }

    .nav-side .logo {
        margin-bottom: 40px;
        padding-bottom: 20px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .nav-side .logo a {
        font-size: 1.35rem;
        font-weight: 700;
        color: var(--primary-light);
        display: flex;
        align-items: center;
        gap: 10px;
        letter-spacing: 0.5px;
    }

    .nav-side .logo a i {
        font-size: 1.6rem;
        color: var(--primary);
    }

    .nav-side .logo .sub {
        font-size: 0.75rem;
        color: var(--text-muted);
        letter-spacing: 2px;
        margin-top: 6px;
        padding-left: 36px;
        text-transform: uppercase;
        font-weight: 300;
    }

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

    .nav-links a {
        padding: 12px 16px;
        border-radius: var(--radius-sm);
        color: rgba(255, 255, 255, 0.7);
        font-size: 0.95rem;
        font-weight: 500;
        display: flex;
        align-items: center;
        gap: 12px;
        transition: var(--transition);
    }

    .nav-links a i {
        width: 20px;
        text-align: center;
        font-size: 1.1rem;
        color: rgba(255, 255, 255, 0.4);
        transition: var(--transition);
    }

    .nav-links a:hover {
        background: rgba(255, 255, 255, 0.06);
        color: #fff;
    }

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

    .nav-links a.active {
        background: rgba(184, 134, 11, 0.18);
        color: var(--primary-light);
        font-weight: 600;
        border-left: 3px solid var(--primary);
    }

    .nav-links a.active i {
        color: var(--primary-light);
    }

    .nav-footer {
        margin-top: 24px;
        padding-top: 20px;
        border-top: 1px solid rgba(255, 255, 255, 0.06);
        font-size: 0.75rem;
        color: var(--text-muted);
        line-height: 1.5;
        text-align: center;
    }

    .nav-footer a {
        color: var(--primary-light);
        opacity: 0.7;
    }

    .nav-footer a:hover {
        opacity: 1;
    }

    /* ===== Mobile Nav Toggle ===== */
    .nav-toggle {
        display: none;
        position: fixed;
        top: 16px;
        left: 16px;
        z-index: 1100;
        background: var(--bg-dark);
        color: var(--primary-light);
        border: none;
        width: 44px;
        height: 44px;
        border-radius: var(--radius-sm);
        font-size: 1.3rem;
        cursor: pointer;
        box-shadow: var(--shadow-md);
        transition: var(--transition);
    }

    .nav-toggle:hover {
        background: var(--secondary-light);
    }

    .nav-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        z-index: 999;
        backdrop-filter: blur(4px);
    }

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

    /* ===== Hero / Banner ===== */
    .category-hero {
        position: relative;
        min-height: 420px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: linear-gradient(135deg, rgba(15, 15, 26, 0.85) 0%, rgba(15, 15, 26, 0.60) 100%), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
        color: #fff;
        text-align: center;
        padding: 80px 24px 60px;
        overflow: hidden;
    }

    .category-hero::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        height: 120px;
        background: linear-gradient(to top, var(--bg-body), transparent);
    }

    .category-hero .hero-content {
        position: relative;
        z-index: 2;
        max-width: 800px;
    }

    .category-hero .hero-badge {
        display: inline-block;
        background: rgba(184, 134, 11, 0.25);
        backdrop-filter: blur(8px);
        border: 1px solid rgba(184, 134, 11, 0.3);
        color: var(--primary-light);
        padding: 6px 20px;
        border-radius: 30px;
        font-size: 0.85rem;
        font-weight: 500;
        letter-spacing: 1px;
        margin-bottom: 20px;
    }

    .category-hero h1 {
        font-size: 3rem;
        font-weight: 800;
        color: #fff;
        margin-bottom: 16px;
        letter-spacing: -1px;
        text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
    }

    .category-hero h1 i {
        color: var(--primary-light);
        margin-right: 8px;
    }

    .category-hero p {
        font-size: 1.15rem;
        color: rgba(255, 255, 255, 0.85);
        max-width: 640px;
        margin: 0 auto 28px;
        line-height: 1.7;
    }

    .hero-stats {
        display: flex;
        gap: 40px;
        justify-content: center;
        flex-wrap: wrap;
    }

    .hero-stats .stat-item {
        text-align: center;
    }

    .hero-stats .stat-num {
        font-size: 2rem;
        font-weight: 800;
        color: var(--primary-light);
        display: block;
        line-height: 1.2;
    }

    .hero-stats .stat-label {
        font-size: 0.85rem;
        color: rgba(255, 255, 255, 0.7);
        font-weight: 400;
    }

    /* ===== Intro Section ===== */
    .intro-section {
        background: var(--bg-card);
        border-radius: var(--radius-lg);
        margin: -60px 24px 0;
        padding: 48px 40px;
        position: relative;
        z-index: 3;
        box-shadow: var(--shadow-lg);
    }

    .intro-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 48px;
        align-items: center;
    }

    .intro-text h2 {
        font-size: 1.75rem;
        margin-bottom: 16px;
        color: var(--text-primary);
    }

    .intro-text h2 span {
        color: var(--primary);
    }

    .intro-text p {
        color: var(--text-secondary);
        margin-bottom: 16px;
        line-height: 1.7;
    }

    .intro-text .tag-list {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        margin-top: 20px;
    }

    .intro-text .tag {
        background: var(--bg-warm);
        color: var(--text-secondary);
        padding: 4px 14px;
        border-radius: 20px;
        font-size: 0.82rem;
        font-weight: 500;
        border: 1px solid var(--border);
    }

    .intro-image {
        border-radius: var(--radius);
        overflow: hidden;
        box-shadow: var(--shadow-md);
        height: 320px;
        background: url('/assets/images/coverpic/cover-1.png') center center / cover no-repeat;
        position: relative;
    }

    .intro-image::after {
        content: '✦ 威尼斯水城风情 ✦';
        position: absolute;
        bottom: 16px;
        left: 16px;
        background: rgba(0, 0, 0, 0.6);
        backdrop-filter: blur(4px);
        color: #fff;
        padding: 6px 16px;
        border-radius: 20px;
        font-size: 0.8rem;
        letter-spacing: 1px;
    }

    /* ===== Featured Cards ===== */
    .features-section {
        background: var(--bg-card);
    }

    .features-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 28px;
    }

    .feature-card {
        background: var(--bg-body);
        border-radius: var(--radius);
        padding: 36px 28px;
        text-align: center;
        border: 1px solid var(--border-light);
        transition: var(--transition);
    }

    .feature-card:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow-md);
        border-color: var(--primary-light);
    }

    .feature-card .icon-wrap {
        width: 64px;
        height: 64px;
        border-radius: 50%;
        background: linear-gradient(135deg, var(--primary-dark), var(--primary));
        color: #fff;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.6rem;
        margin: 0 auto 18px;
        box-shadow: var(--shadow-gold);
    }

    .feature-card h3 {
        font-size: 1.15rem;
        margin-bottom: 10px;
    }

    .feature-card p {
        color: var(--text-secondary);
        font-size: 0.92rem;
        line-height: 1.6;
    }

    /* ===== Hotel Recommendations ===== */
    .hotels-section {
        background: var(--bg-warm);
    }

    .hotels-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 28px;
    }

    .hotel-card {
        background: var(--bg-card);
        border-radius: var(--radius);
        overflow: hidden;
        box-shadow: var(--shadow-sm);
        transition: var(--transition);
        border: 1px solid var(--border-light);
        display: flex;
        flex-direction: column;
    }

    .hotel-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-md);
        border-color: var(--primary-light);
    }

    .hotel-card .hotel-img {
        height: 200px;
        background-size: cover;
        background-position: center;
        position: relative;
    }

    .hotel-card .hotel-img .badge {
        position: absolute;
        top: 12px;
        left: 12px;
        background: rgba(184, 134, 11, 0.9);
        color: #fff;
        padding: 4px 14px;
        border-radius: 20px;
        font-size: 0.75rem;
        font-weight: 600;
        letter-spacing: 0.5px;
        backdrop-filter: blur(4px);
    }

    .hotel-card .hotel-img .rating {
        position: absolute;
        bottom: 12px;
        right: 12px;
        background: rgba(0, 0, 0, 0.7);
        backdrop-filter: blur(4px);
        color: var(--primary-light);
        padding: 4px 12px;
        border-radius: 20px;
        font-size: 0.8rem;
        font-weight: 600;
    }

    .hotel-card .hotel-body {
        padding: 20px 24px 24px;
        flex: 1;
        display: flex;
        flex-direction: column;
    }

    .hotel-card .hotel-body h3 {
        font-size: 1.15rem;
        margin-bottom: 6px;
    }

    .hotel-card .hotel-body .meta {
        font-size: 0.85rem;
        color: var(--text-muted);
        margin-bottom: 10px;
        display: flex;
        gap: 16px;
        align-items: center;
    }

    .hotel-card .hotel-body .meta i {
        color: var(--primary);
        margin-right: 4px;
    }

    .hotel-card .hotel-body p {
        color: var(--text-secondary);
        font-size: 0.9rem;
        line-height: 1.6;
        flex: 1;
        margin-bottom: 16px;
    }

    .hotel-card .hotel-body .btn-outline {
        align-self: flex-start;
    }

    /* ===== Services & Facilities ===== */
    .services-section {
        background: var(--bg-card);
    }

    .services-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
    }

    .service-item {
        text-align: center;
        padding: 28px 16px;
        border-radius: var(--radius);
        background: var(--bg-body);
        border: 1px solid var(--border-light);
        transition: var(--transition);
    }

    .service-item:hover {
        background: var(--bg-warm);
        border-color: var(--primary-light);
        transform: translateY(-3px);
    }

    .service-item i {
        font-size: 2rem;
        color: var(--primary);
        margin-bottom: 12px;
        display: block;
    }

    .service-item h4 {
        font-size: 0.95rem;
        font-weight: 600;
        margin-bottom: 6px;
    }

    .service-item p {
        font-size: 0.82rem;
        color: var(--text-muted);
    }

    /* ===== Booking Flow ===== */
    .flow-section {
        background: var(--bg-dark);
        color: var(--text-light);
    }

    .flow-section .section-title {
        color: #fff;
    }

    .flow-section .section-sub {
        color: rgba(255, 255, 255, 0.7);
    }

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

    .flow-step {
        background: rgba(255, 255, 255, 0.04);
        border: 1px solid rgba(255, 255, 255, 0.08);
        border-radius: var(--radius);
        padding: 32px 20px;
        text-align: center;
        position: relative;
        transition: var(--transition);
        counter-increment: step;
    }

    .flow-step:hover {
        background: rgba(255, 255, 255, 0.08);
        border-color: var(--primary);
        transform: translateY(-4px);
    }

    .flow-step .step-num {
        width: 44px;
        height: 44px;
        border-radius: 50%;
        background: var(--primary);
        color: #fff;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.2rem;
        font-weight: 700;
        margin: 0 auto 16px;
        box-shadow: var(--shadow-gold);
    }

    .flow-step h4 {
        color: #fff;
        font-size: 1.05rem;
        margin-bottom: 8px;
    }

    .flow-step p {
        color: rgba(255, 255, 255, 0.65);
        font-size: 0.85rem;
        line-height: 1.5;
    }

    .flow-step::after {
        content: '→';
        position: absolute;
        right: -16px;
        top: 50%;
        transform: translateY(-50%);
        font-size: 1.5rem;
        color: var(--primary);
        opacity: 0.5;
    }

    .flow-step:last-child::after {
        display: none;
    }

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

    .faq-list {
        max-width: 800px;
        margin: 0 auto;
    }

    .faq-item {
        border-bottom: 1px solid var(--border-light);
        padding: 20px 0;
    }

    .faq-item:first-child {
        padding-top: 0;
    }

    .faq-question {
        display: flex;
        justify-content: space-between;
        align-items: center;
        cursor: pointer;
        font-weight: 600;
        font-size: 1.05rem;
        color: var(--text-primary);
        gap: 16px;
    }

    .faq-question i {
        color: var(--primary);
        font-size: 1.1rem;
        transition: var(--transition);
        flex-shrink: 0;
    }

    .faq-question.open i {
        transform: rotate(180deg);
    }

    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease, padding 0.3s ease;
        color: var(--text-secondary);
        font-size: 0.95rem;
        line-height: 1.7;
    }

    .faq-answer.open {
        max-height: 300px;
        padding-top: 14px;
    }

    /* ===== CTA ===== */
    .cta-section {
        background: linear-gradient(135deg, var(--bg-dark) 0%, var(--secondary-light) 100%);
        color: #fff;
        text-align: center;
        padding: 80px 24px;
        position: relative;
        overflow: hidden;
    }

    .cta-section::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
        opacity: 0.08;
        z-index: 0;
    }

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

    .cta-section h2 {
        color: #fff;
        font-size: 2.2rem;
        margin-bottom: 16px;
    }

    .cta-section p {
        color: rgba(255, 255, 255, 0.75);
        max-width: 560px;
        margin: 0 auto 32px;
        font-size: 1.05rem;
    }

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

    /* ===== Buttons ===== */
    .btn {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 12px 28px;
        border-radius: 30px;
        font-weight: 600;
        font-size: 0.95rem;
        cursor: pointer;
        transition: var(--transition);
        border: 2px solid transparent;
        line-height: 1.2;
    }

    .btn-primary {
        background: var(--primary);
        color: #fff;
        border-color: var(--primary);
    }

    .btn-primary:hover {
        background: var(--primary-dark);
        border-color: var(--primary-dark);
        transform: translateY(-2px);
        box-shadow: var(--shadow-gold);
    }

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

    .btn-outline:hover {
        background: var(--primary);
        color: #fff;
        transform: translateY(-2px);
        box-shadow: var(--shadow-gold);
    }

    .btn-light {
        background: rgba(255, 255, 255, 0.12);
        color: #fff;
        border-color: rgba(255, 255, 255, 0.25);
    }

    .btn-light:hover {
        background: rgba(255, 255, 255, 0.22);
        border-color: rgba(255, 255, 255, 0.4);
        transform: translateY(-2px);
    }

    .btn-lg {
        padding: 16px 40px;
        font-size: 1.05rem;
    }

    /* ===== Footer ===== */
    .footer {
        background: var(--bg-dark);
        color: var(--text-light);
        padding: 60px 24px 24px;
        margin-top: auto;
    }

    .footer .container {
        max-width: var(--max-width);
        margin: 0 auto;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 1.6fr 1fr 1fr 1fr;
        gap: 40px;
        padding-bottom: 40px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .footer-brand h3 {
        color: var(--primary-light);
        font-size: 1.3rem;
        margin-bottom: 12px;
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .footer-brand h3 i {
        color: var(--primary);
    }

    .footer-brand p {
        color: var(--text-muted);
        font-size: 0.9rem;
        line-height: 1.6;
        max-width: 360px;
    }

    .footer-col h4 {
        color: #fff;
        font-size: 0.95rem;
        font-weight: 600;
        margin-bottom: 16px;
        letter-spacing: 0.5px;
    }

    .footer-col a {
        display: block;
        color: var(--text-muted);
        font-size: 0.88rem;
        padding: 4px 0;
        transition: var(--transition);
    }

    .footer-col a:hover {
        color: var(--primary-light);
        padding-left: 4px;
    }

    .footer-col a i {
        width: 20px;
        color: var(--primary);
        margin-right: 4px;
    }

    .footer-bottom {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding-top: 24px;
        font-size: 0.8rem;
        color: var(--text-muted);
        flex-wrap: wrap;
        gap: 12px;
    }

    .footer-bottom a {
        color: var(--primary-light);
        opacity: 0.7;
    }

    .footer-bottom a:hover {
        opacity: 1;
    }

    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
        .services-grid {
            grid-template-columns: repeat(2, 1fr);
        }

        .flow-grid {
            grid-template-columns: repeat(2, 1fr);
        }

        .flow-step::after {
            display: none;
        }

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

    @media (max-width: 900px) {
        .intro-grid {
            grid-template-columns: 1fr;
            gap: 28px;
        }

        .intro-image {
            height: 240px;
            order: -1;
        }

        .hotels-grid {
            grid-template-columns: 1fr;
        }

        .features-grid {
            grid-template-columns: repeat(2, 1fr);
        }
    }

    @media (max-width: 768px) {
        :root {
            --nav-width: 0px;
        }

        .nav-side {
            transform: translateX(-100%);
            width: 280px;
        }

        .nav-side.open {
            transform: translateX(0);
        }

        .nav-overlay.open {
            display: block;
        }

        .nav-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
        }

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

        .category-hero {
            min-height: 320px;
            padding: 60px 20px 40px;
        }

        .category-hero h1 {
            font-size: 2rem;
        }

        .category-hero p {
            font-size: 1rem;
        }

        .hero-stats {
            gap: 20px;
        }

        .hero-stats .stat-num {
            font-size: 1.5rem;
        }

        .intro-section {
            margin: -40px 16px 0;
            padding: 32px 24px;
        }

        .section {
            padding: 48px 0;
        }

        .section-title {
            font-size: 1.5rem;
        }

        .features-grid {
            grid-template-columns: 1fr;
            gap: 16px;
        }

        .services-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
        }

        .flow-grid {
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

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

        .footer-bottom {
            flex-direction: column;
            text-align: center;
        }

        .cta-section h2 {
            font-size: 1.6rem;
        }

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

    @media (max-width: 520px) {
        .category-hero h1 {
            font-size: 1.6rem;
        }

        .hero-stats {
            flex-direction: column;
            gap: 12px;
        }

        .intro-section {
            padding: 24px 16px;
        }

        .hotel-card .hotel-body {
            padding: 16px 18px 20px;
        }

        .services-grid {
            grid-template-columns: 1fr 1fr;
            gap: 8px;
        }

        .service-item {
            padding: 20px 12px;
        }

        .flow-grid {
            grid-template-columns: 1fr;
        }

        .faq-question {
            font-size: 0.95rem;
        }
    }

    /* ===== Scrollbar ===== */
    .nav-side::-webkit-scrollbar {
        width: 4px;
    }

    .nav-side::-webkit-scrollbar-track {
        background: transparent;
    }

    .nav-side::-webkit-scrollbar-thumb {
        background: rgba(255, 255, 255, 0.15);
        border-radius: 4px;
    }

    /* ===== Animations ===== */
    @keyframes fadeInUp {
        from {
            opacity: 0;
            transform: translateY(30px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .animate-in {
        animation: fadeInUp 0.7s ease forwards;
    }

    .delay-1 {
        animation-delay: 0.1s;
    }
    .delay-2 {
        animation-delay: 0.2s;
    }
    .delay-3 {
        animation-delay: 0.3s;
    }
    .delay-4 {
        animation-delay: 0.4s;
    }