/* roulang page: index */
:root {
            --primary: #0f7a9e;
            --primary-dark: #0a5d7a;
            --primary-light: #e8f4f8;
            --primary-gradient: linear-gradient(135deg, #0f7a9e 0%, #0a5d7a 100%);
            --accent: #f5a623;
            --accent-dark: #d4891a;
            --accent-light: #fef3e0;
            --bg: #f7f9fc;
            --card-bg: #ffffff;
            --text: #1a2b3c;
            --text-weak: #6b7a88;
            --text-inverse: #ffffff;
            --border: #e2e8f0;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 20px rgba(0,0,0,0.06);
            --shadow-lg: 0 12px 40px rgba(0,0,0,0.08);
            --sidebar-width: 260px;
            --header-height: 64px;
            --font: 'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;
            --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
        }
        *,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }
        a { color: inherit; text-decoration: none; transition: color var(--transition); }
        img { max-width: 100%; height: auto; display: block; }
        button,input,textarea { font-family: inherit; font-size: inherit; outline: none; border: none; }
        button { cursor: pointer; background: none; }
        ul,ol { list-style: none; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
        .container-wide { max-width: 1400px; margin: 0 auto; padding: 0 24px; }

        /* ===== App Shell ===== */
        .app-shell { display: flex; min-height: 100vh; }

        /* ===== Sidebar ===== */
        .sidebar {
            position: fixed; top: 0; left: 0; width: var(--sidebar-width); height: 100vh;
            background: var(--card-bg); border-right: 1px solid var(--border);
            display: flex; flex-direction: column; z-index: 1000;
            transition: transform var(--transition);
        }
        .sidebar-brand {
            display: flex; align-items: center; gap: 12px;
            padding: 28px 24px 20px; font-size: 24px; font-weight: 700;
            color: var(--primary); letter-spacing: 1px;
        }
        .sidebar-brand i { font-size: 28px; color: var(--accent); }
        .sidebar-nav { flex: 1; padding: 8px 16px; overflow-y: auto; }
        .sidebar-nav li { margin-bottom: 4px; }
        .sidebar-nav a {
            display: flex; align-items: center; gap: 14px;
            padding: 12px 18px; border-radius: var(--radius-sm);
            font-size: 15px; font-weight: 500; color: var(--text-weak);
            transition: all var(--transition); position: relative;
        }
        .sidebar-nav a i { width: 20px; font-size: 16px; text-align: center; }
        .sidebar-nav a:hover { background: var(--primary-light); color: var(--primary); }
        .sidebar-nav li.active a {
            background: var(--primary); color: var(--text-inverse);
            box-shadow: 0 4px 12px rgba(15,122,158,0.3);
        }
        .sidebar-nav li.active a:hover { background: var(--primary-dark); }
        .sidebar-footer {
            padding: 20px 24px; border-top: 1px solid var(--border);
            font-size: 12px; color: var(--text-weak); text-align: center;
        }
        .sidebar-overlay {
            display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.4);
            z-index: 999; opacity: 0; transition: opacity var(--transition);
        }
        .sidebar-overlay.open { display: block; opacity: 1; }

        /* ===== Mobile Header ===== */
        .mobile-header {
            display: none; position: fixed; top: 0; left: 0; right: 0;
            height: var(--header-height); background: var(--card-bg);
            border-bottom: 1px solid var(--border); z-index: 998;
            padding: 0 20px; align-items: center; justify-content: space-between;
        }
        .mobile-brand { font-size: 20px; font-weight: 700; color: var(--primary); display: flex; align-items: center; gap: 10px; }
        .mobile-brand i { color: var(--accent); font-size: 22px; }
        .menu-toggle {
            display: flex; align-items: center; justify-content: center;
            width: 40px; height: 40px; border-radius: var(--radius-sm);
            color: var(--text); font-size: 22px; transition: background var(--transition);
        }
        .menu-toggle:hover { background: var(--primary-light); }

        /* ===== Main Content ===== */
        .main-content {
            margin-left: var(--sidebar-width); flex: 1;
            padding-top: 0; min-height: 100vh;
        }
        .page-section {
            padding: 80px 0; position: relative;
        }
        .page-section:nth-child(even) { background: var(--card-bg); }
        .section-title {
            font-size: 32px; font-weight: 700; text-align: center;
            margin-bottom: 12px; color: var(--text); letter-spacing: -0.5px;
        }
        .section-sub {
            font-size: 16px; color: var(--text-weak); text-align: center;
            max-width: 640px; margin: 0 auto 48px; line-height: 1.7;
        }
        .section-sub i { color: var(--accent); margin: 0 4px; }

        /* ===== Hero ===== */
        .hero {
            position: relative; min-height: 600px;
            display: flex; align-items: center; justify-content: center;
            background: var(--primary-dark); overflow: hidden;
        }
        .hero-bg {
            position: absolute; inset: 0; background-size: cover; background-position: center;
            background-repeat: no-repeat; opacity: 0.35; z-index: 1;
        }
        .hero-overlay {
            position: absolute; inset: 0;
            background: linear-gradient(135deg, rgba(10,93,122,0.85) 0%, rgba(15,122,158,0.6) 100%);
            z-index: 2;
        }
        .hero-content {
            position: relative; z-index: 3; text-align: center;
            padding: 60px 24px; max-width: 800px; width: 100%;
        }
        .hero-badge {
            display: inline-flex; align-items: center; gap: 8px;
            background: rgba(255,255,255,0.15); backdrop-filter: blur(8px);
            padding: 8px 20px; border-radius: 50px; font-size: 14px;
            color: var(--text-inverse); margin-bottom: 24px;
            border: 1px solid rgba(255,255,255,0.2);
        }
        .hero-badge i { color: var(--accent); }
        .hero-title {
            font-size: 52px; font-weight: 800; color: var(--text-inverse);
            line-height: 1.2; margin-bottom: 20px; letter-spacing: -1px;
        }
        .hero-title span { color: var(--accent); }
        .hero-desc {
            font-size: 18px; color: rgba(255,255,255,0.85);
            max-width: 600px; margin: 0 auto 36px; line-height: 1.7;
        }
        .hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
        .btn {
            display: inline-flex; align-items: center; gap: 10px;
            padding: 14px 32px; border-radius: 50px; font-size: 16px;
            font-weight: 600; transition: all var(--transition); border: none;
            cursor: pointer; text-decoration: none;
        }
        .btn-primary { background: var(--accent); color: var(--text); box-shadow: 0 4px 16px rgba(245,166,35,0.3); }
        .btn-primary:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(245,166,35,0.4); }
        .btn-outline { background: transparent; color: var(--text-inverse); border: 2px solid rgba(255,255,255,0.4); }
        .btn-outline:hover { border-color: var(--text-inverse); background: rgba(255,255,255,0.1); transform: translateY(-2px); }
        .hero-stats {
            display: flex; gap: 40px; justify-content: center; margin-top: 48px;
            flex-wrap: wrap;
        }
        .hero-stat { text-align: center; }
        .hero-stat-num { font-size: 32px; font-weight: 700; color: var(--text-inverse); }
        .hero-stat-label { font-size: 14px; color: rgba(255,255,255,0.7); margin-top: 4px; }

        /* ===== Intro ===== */
        .intro-grid {
            display: grid; grid-template-columns: 1fr 1fr; gap: 60px;
            align-items: center;
        }
        .intro-image { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
        .intro-image img { width: 100%; height: 100%; object-fit: cover; min-height: 360px; }
        .intro-text h3 { font-size: 26px; font-weight: 700; margin-bottom: 16px; color: var(--primary); }
        .intro-text p { font-size: 16px; color: var(--text-weak); line-height: 1.8; margin-bottom: 16px; }
        .intro-tags { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 20px; }
        .tag {
            display: inline-flex; align-items: center; gap: 6px;
            padding: 6px 16px; border-radius: 50px; font-size: 13px; font-weight: 500;
            background: var(--primary-light); color: var(--primary);
        }
        .tag i { font-size: 12px; }
        .tag-accent { background: var(--accent-light); color: var(--accent-dark); }

        /* ===== Category Cards ===== */
        .cat-grid {
            display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px; margin-top: 16px;
        }
        .cat-card {
            background: var(--card-bg); border-radius: var(--radius-md);
            overflow: hidden; box-shadow: var(--shadow-sm);
            transition: all var(--transition); border: 1px solid var(--border);
            display: flex; flex-direction: column;
        }
        .cat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--primary); }
        .cat-card-img { height: 200px; overflow: hidden; position: relative; }
        .cat-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
        .cat-card:hover .cat-card-img img { transform: scale(1.05); }
        .cat-card-img .cat-badge {
            position: absolute; top: 16px; left: 16px;
            background: var(--accent); color: var(--text); font-size: 12px; font-weight: 600;
            padding: 4px 14px; border-radius: 50px;
        }
        .cat-card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
        .cat-card-body h3 { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
        .cat-card-body p { font-size: 14px; color: var(--text-weak); line-height: 1.7; flex: 1; }
        .cat-card-footer { padding: 16px 24px; border-top: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
        .cat-card-footer .btn-link { font-size: 14px; font-weight: 600; color: var(--primary); display: flex; align-items: center; gap: 6px; }
        .cat-card-footer .btn-link:hover { color: var(--primary-dark); gap: 10px; }
        .cat-card-footer .count { font-size: 13px; color: var(--text-weak); }

        /* ===== CMS List ===== */
        .cms-list { display: flex; flex-direction: column; gap: 20px; margin-top: 16px; }
        .cms-item {
            display: flex; gap: 20px; background: var(--card-bg);
            padding: 20px; border-radius: var(--radius-md);
            border: 1px solid var(--border); transition: all var(--transition);
            align-items: flex-start;
        }
        .cms-item:hover { border-color: var(--primary); box-shadow: var(--shadow-md); transform: translateX(4px); }
        .cms-item-icon {
            flex-shrink: 0; width: 48px; height: 48px; border-radius: var(--radius-sm);
            background: var(--primary-light); display: flex; align-items: center; justify-content: center;
            color: var(--primary); font-size: 20px;
        }
        .cms-item-body { flex: 1; min-width: 0; }
        .cms-item-body h3 { font-size: 17px; font-weight: 600; margin-bottom: 6px; }
        .cms-item-body h3 a { color: var(--text); }
        .cms-item-body h3 a:hover { color: var(--primary); }
        .cms-item-body p { font-size: 14px; color: var(--text-weak); line-height: 1.6; margin-bottom: 8px; }
        .cms-item-meta { display: flex; gap: 16px; font-size: 13px; color: var(--text-weak); flex-wrap: wrap; }
        .cms-item-meta .tag { font-size: 12px; padding: 2px 12px; }
        .cms-item-meta time { display: flex; align-items: center; gap: 4px; }
        .cms-empty {
            text-align: center; padding: 48px 20px; color: var(--text-weak);
            font-size: 16px; background: var(--card-bg); border-radius: var(--radius-md);
            border: 1px dashed var(--border);
        }
        .cms-empty i { font-size: 40px; color: var(--border); margin-bottom: 16px; display: block; }

        /* ===== Stats ===== */
        .stats-grid {
            display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 24px; margin-top: 16px;
        }
        .stat-card {
            text-align: center; padding: 36px 20px; background: var(--card-bg);
            border-radius: var(--radius-md); border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--primary-light); }
        .stat-card i { font-size: 36px; color: var(--primary); margin-bottom: 16px; }
        .stat-card .num { font-size: 36px; font-weight: 800; color: var(--text); margin-bottom: 6px; }
        .stat-card .label { font-size: 15px; color: var(--text-weak); }

        /* ===== Steps / Process ===== */
        .steps-grid {
            display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 32px; margin-top: 16px; position: relative;
        }
        .step-card {
            text-align: center; padding: 32px 20px; position: relative;
        }
        .step-num {
            width: 56px; height: 56px; margin: 0 auto 20px;
            background: var(--primary); color: var(--text-inverse);
            font-size: 22px; font-weight: 700; border-radius: 50%;
            display: flex; align-items: center; justify-content: center;
            box-shadow: 0 6px 20px rgba(15,122,158,0.25);
        }
        .step-card h3 { font-size: 18px; font-weight: 600; margin-bottom: 10px; }
        .step-card p { font-size: 14px; color: var(--text-weak); line-height: 1.7; }

        /* ===== FAQ ===== */
        .faq-list { max-width: 800px; margin: 16px auto 0; display: flex; flex-direction: column; gap: 12px; }
        .faq-item {
            background: var(--card-bg); border-radius: var(--radius-md);
            border: 1px solid var(--border); overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover { border-color: var(--primary-light); }
        .faq-question {
            display: flex; justify-content: space-between; align-items: center;
            padding: 20px 24px; cursor: pointer; font-size: 16px; font-weight: 600;
            transition: background var(--transition); user-select: none;
        }
        .faq-question:hover { background: var(--primary-light); }
        .faq-question i { color: var(--primary); transition: transform var(--transition); font-size: 14px; }
        .faq-item.open .faq-question i { transform: rotate(180deg); }
        .faq-answer {
            max-height: 0; overflow: hidden; transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 24px; color: var(--text-weak); font-size: 15px; line-height: 1.7;
        }
        .faq-item.open .faq-answer { max-height: 300px; padding: 0 24px 20px; }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--primary-gradient); padding: 80px 0; text-align: center;
            position: relative;
        }
        .cta-section::before {
            content: ''; position: absolute; inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.08; z-index: 1;
        }
        .cta-section .container { position: relative; z-index: 2; }
        .cta-section h2 { font-size: 34px; font-weight: 700; color: var(--text-inverse); margin-bottom: 16px; }
        .cta-section p { font-size: 17px; color: rgba(255,255,255,0.8); max-width: 560px; margin: 0 auto 28px; }
        .cta-section .btn { font-size: 17px; padding: 16px 40px; }

        /* ===== Footer ===== */
        .site-footer {
            background: #0f1a2b; color: rgba(255,255,255,0.7); padding: 48px 0 32px;
            margin-left: var(--sidebar-width);
        }
        .footer-grid {
            display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px;
        }
        .footer-brand h3 { font-size: 22px; font-weight: 700; color: #fff; display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
        .footer-brand h3 i { color: var(--accent); }
        .footer-brand p { font-size: 14px; line-height: 1.7; max-width: 320px; }
        .footer-col h4 { font-size: 15px; font-weight: 600; color: #fff; margin-bottom: 16px; }
        .footer-col ul li { margin-bottom: 10px; }
        .footer-col ul a { font-size: 14px; color: rgba(255,255,255,0.6); transition: color var(--transition); display: flex; align-items: center; gap: 6px; }
        .footer-col ul a:hover { color: var(--accent); }
        .footer-bottom {
            margin-top: 40px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.08);
            display: flex; justify-content: space-between; align-items: center;
            font-size: 13px; color: rgba(255,255,255,0.4); flex-wrap: wrap; gap: 12px;
        }
        .footer-bottom a { color: rgba(255,255,255,0.5); }
        .footer-bottom a:hover { color: var(--accent); }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .intro-grid { grid-template-columns: 1fr; gap: 40px; }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
        }

        @media (max-width: 768px) {
            .sidebar { transform: translateX(-100%); }
            .sidebar.open { transform: translateX(0); }
            .mobile-header { display: flex; }
            .main-content { margin-left: 0; padding-top: var(--header-height); }
            .site-footer { margin-left: 0; }
            .hero-title { font-size: 34px; }
            .hero { min-height: 480px; }
            .hero-stats { gap: 24px; }
            .hero-stat-num { font-size: 26px; }
            .section-title { font-size: 26px; }
            .page-section { padding: 56px 0; }
            .cat-grid { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: repeat(2,1fr); }
            .steps-grid { grid-template-columns: 1fr 1fr; gap: 20px; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .cms-item { flex-direction: column; gap: 12px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .intro-image img { min-height: 220px; }
        }

        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .hero-title { font-size: 28px; }
            .hero-desc { font-size: 15px; }
            .hero-content { padding: 40px 16px; }
            .hero-stats { flex-direction: column; gap: 16px; }
            .btn { padding: 12px 24px; font-size: 14px; }
            .section-title { font-size: 22px; }
            .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
            .steps-grid { grid-template-columns: 1fr; gap: 16px; }
            .stat-card { padding: 24px 16px; }
            .stat-card .num { font-size: 28px; }
            .cat-card-img { height: 160px; }
            .cms-item-body h3 { font-size: 15px; }
            .faq-question { font-size: 14px; padding: 16px 18px; }
            .faq-answer { font-size: 14px; }
            .cta-section h2 { font-size: 26px; }
            .sidebar-brand { padding: 20px 16px 16px; font-size: 20px; }
            .sidebar-nav a { padding: 10px 14px; font-size: 14px; }
        }

        @media (min-width: 769px) {
            .sidebar { transform: translateX(0) !important; }
            .sidebar-overlay { display: none !important; }
        }

        /* ===== Animations ===== */
        @keyframes fadeUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
        .animate-in { animation: fadeUp 0.6s 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; }

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1a7a5c;
            --primary-light: #2a9d7a;
            --primary-dark: #0f5c44;
            --primary-bg: #eaf7f2;
            --secondary: #e8b84b;
            --secondary-light: #f0d08a;
            --accent: #d4793a;
            --bg: #f8faf9;
            --bg-card: #ffffff;
            --bg-sidebar: #0d2b22;
            --bg-dark: #0a1f18;
            --text: #1a2e28;
            --text-light: #5a7168;
            --text-white: #f0f7f4;
            --border: #dce8e2;
            --border-light: #eaf2ee;
            --shadow-sm: 0 2px 8px rgba(13, 43, 34, 0.06);
            --shadow-md: 0 6px 24px rgba(13, 43, 34, 0.08);
            --shadow-lg: 0 16px 48px rgba(13, 43, 34, 0.12);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --sidebar-width: 260px;
            --header-height: 64px;
            --max-width: 1200px;
            --content-max-width: 820px;
        }

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

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

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

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

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

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

        ul,
        ol {
            list-style: none;
        }

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

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

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

        /* ===== 侧边栏 ===== */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--bg-sidebar);
            color: var(--text-white);
            display: flex;
            flex-direction: column;
            z-index: 1000;
            transition: transform var(--transition), box-shadow var(--transition);
            overflow-y: auto;
            box-shadow: 2px 0 20px rgba(0, 0, 0, 0.15);
        }

        .sidebar-brand {
            padding: 28px 24px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .sidebar-brand .brand-icon {
            width: 42px;
            height: 42px;
            background: var(--primary);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: #fff;
            flex-shrink: 0;
        }

        .sidebar-brand .brand-text {
            font-size: 22px;
            font-weight: 700;
            letter-spacing: 1px;
            color: #fff;
            line-height: 1.2;
        }
        .sidebar-brand .brand-text small {
            display: block;
            font-size: 11px;
            font-weight: 400;
            opacity: 0.5;
            letter-spacing: 0.5px;
        }

        .sidebar-nav {
            padding: 16px 12px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .sidebar-nav li a {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            color: rgba(255, 255, 255, 0.65);
            font-size: 15px;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
        }

        .sidebar-nav li a i {
            width: 20px;
            text-align: center;
            font-size: 16px;
        }

        .sidebar-nav li a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

        .sidebar-nav li.active a {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 4px 12px rgba(26, 122, 92, 0.35);
        }

        .sidebar-nav li.active a::before {
            content: '';
            position: absolute;
            left: -12px;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 24px;
            background: var(--secondary);
            border-radius: 0 4px 4px 0;
        }

        .sidebar-footer {
            padding: 16px 20px 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 12px;
            color: rgba(255, 255, 255, 0.3);
            text-align: center;
        }

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

        /* ===== 移动端汉堡按钮 ===== */
        .mobile-toggle {
            display: none;
            position: fixed;
            top: 16px;
            left: 16px;
            z-index: 1100;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--bg-card);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border);
            cursor: pointer;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--text);
            transition: var(--transition);
        }
        .mobile-toggle:hover {
            background: var(--primary-bg);
            color: var(--primary);
        }

        /* ===== 遮罩 ===== */
        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.45);
            z-index: 999;
            backdrop-filter: blur(2px);
        }

        /* ===== 文章Banner ===== */
        .article-banner {
            position: relative;
            padding: 80px 0 60px;
            background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            color: #fff;
            margin-top: 0;
        }

        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 31, 24, 0.88) 0%, rgba(13, 43, 34, 0.72) 100%);
            z-index: 1;
        }

        .article-banner .container-narrow {
            position: relative;
            z-index: 2;
        }

        .article-banner .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 24px;
        }

        .article-banner .breadcrumb a {
            color: rgba(255, 255, 255, 0.7);
        }
        .article-banner .breadcrumb a:hover {
            color: #fff;
        }
        .article-banner .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.3);
        }

        .article-banner .category-badge {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 4px 16px;
            border-radius: 20px;
            letter-spacing: 0.3px;
            margin-bottom: 16px;
        }

        .article-banner h1 {
            font-size: 38px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 20px;
            max-width: 780px;
            letter-spacing: -0.3px;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
        }

        .article-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .article-meta span i {
            font-size: 14px;
            opacity: 0.7;
        }

        /* ===== 文章正文 ===== */
        .article-body-section {
            padding: 48px 0 32px;
            background: var(--bg);
        }

        .article-body {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            padding: 48px 56px;
            font-size: 17px;
            line-height: 1.85;
            color: var(--text);
        }

        .article-body p {
            margin-bottom: 1.4em;
        }

        .article-body h2 {
            font-size: 26px;
            margin: 1.8em 0 0.6em;
            color: var(--primary-dark);
        }

        .article-body h3 {
            font-size: 21px;
            margin: 1.4em 0 0.5em;
            color: var(--text);
        }

        .article-body ul,
        .article-body ol {
            margin: 0 0 1.4em 1.6em;
        }
        .article-body ul li {
            list-style: disc;
            margin-bottom: 0.3em;
        }
        .article-body ol li {
            list-style: decimal;
            margin-bottom: 0.3em;
        }

        .article-body blockquote {
            border-left: 4px solid var(--primary);
            background: var(--primary-bg);
            padding: 16px 24px;
            margin: 1.4em 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-light);
            font-style: italic;
        }

        .article-body img {
            border-radius: var(--radius-sm);
            margin: 1.6em 0;
            box-shadow: var(--shadow-sm);
        }

        .article-body a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-body a:hover {
            color: var(--primary-light);
        }

        .article-body code {
            background: var(--border-light);
            padding: 2px 10px;
            border-radius: 4px;
            font-size: 0.9em;
            color: var(--accent);
        }

        .article-body .not-found {
            text-align: center;
            padding: 60px 20px;
        }

        .article-body .not-found i {
            font-size: 48px;
            color: var(--border);
            margin-bottom: 20px;
        }

        .article-body .not-found h2 {
            font-size: 28px;
            margin-bottom: 12px;
        }

        .article-body .not-found p {
            color: var(--text-light);
            margin-bottom: 24px;
        }

        .article-body .not-found .btn {
            display: inline-block;
        }

        /* ===== 文章底部信息 ===== */
        .article-footer-info {
            padding: 24px 0 48px;
            background: var(--bg);
        }

        .article-footer-info .inner {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            padding: 24px 56px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
        }

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

        .article-tags .tag-label {
            font-size: 14px;
            color: var(--text-light);
            margin-right: 4px;
        }

        .article-tags .tag {
            display: inline-block;
            background: var(--primary-bg);
            color: var(--primary-dark);
            font-size: 13px;
            font-weight: 500;
            padding: 4px 14px;
            border-radius: 20px;
            border: 1px solid rgba(26, 122, 92, 0.15);
            transition: var(--transition);
        }

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

        .article-share {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .article-share .share-label {
            font-size: 14px;
            color: var(--text-light);
        }

        .article-share a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--border-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-light);
            font-size: 16px;
            transition: var(--transition);
        }

        .article-share a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== 相关推荐 ===== */
        .related-posts {
            padding: 48px 0;
            background: var(--primary-bg);
        }

        .related-posts .section-header {
            text-align: center;
            margin-bottom: 36px;
        }

        .related-posts .section-header h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }

        .related-posts .section-header p {
            color: var(--text-light);
            font-size: 16px;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
            gap: 24px;
        }

        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border-light);
        }

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

        .related-card .card-img {
            height: 160px;
            background: var(--border-light);
            overflow: hidden;
        }

        .related-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
        }

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

        .related-card .card-body h3 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 6px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

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

        .related-card .card-body .card-meta {
            font-size: 13px;
            color: var(--text-light);
            display: flex;
            gap: 12px;
            margin-top: 6px;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 64px 0;
            background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            position: relative;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 31, 24, 0.88) 0%, rgba(13, 43, 34, 0.75) 100%);
            z-index: 1;
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .cta-section h2 {
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-section p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 600px;
            margin: 0 auto 28px;
        }

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

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 12px 30px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1.2;
            cursor: pointer;
            transition: var(--transition);
            border: 2px solid transparent;
            text-decoration: none;
            background: transparent;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 14px rgba(26, 122, 92, 0.3);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(26, 122, 92, 0.4);
        }

        .btn-secondary {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.4);
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }

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

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

        .btn-sm {
            padding: 8px 20px;
            font-size: 13px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-sidebar);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 0;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-brand h3 {
            font-size: 20px;
            color: #fff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

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

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

        .footer-col ul li a i {
            font-size: 12px;
            opacity: 0.5;
        }

        .footer-col ul li a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.3);
            flex-wrap: wrap;
            gap: 8px;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .article-banner h1 {
                font-size: 32px;
            }
            .article-body {
                padding: 32px 32px;
            }
            .article-footer-info .inner {
                padding: 20px 32px;
            }
        }

        @media (max-width: 768px) {
            .sidebar {
                transform: translateX(-100%);
            }
            .sidebar.open {
                transform: translateX(0);
                box-shadow: 4px 0 40px rgba(0, 0, 0, 0.3);
            }
            .sidebar-overlay.active {
                display: block;
            }
            .main-content {
                margin-left: 0;
            }
            .mobile-toggle {
                display: flex;
            }
            .article-banner {
                padding: 60px 0 40px;
            }
            .article-banner h1 {
                font-size: 26px;
            }
            .article-body {
                padding: 24px 20px;
                font-size: 15px;
            }
            .article-footer-info .inner {
                padding: 16px 20px;
                flex-direction: column;
                align-items: flex-start;
            }
            .related-grid {
                grid-template-columns: 1fr 1fr;
            }
            .cta-section h2 {
                font-size: 26px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .article-meta {
                gap: 12px;
                font-size: 13px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .container-narrow {
                padding: 0 16px;
            }
            .article-banner h1 {
                font-size: 22px;
            }
            .article-body {
                padding: 20px 16px;
                font-size: 15px;
                border-radius: var(--radius-sm);
            }
            .article-footer-info .inner {
                padding: 16px;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .cta-section {
                padding: 48px 0;
            }
            .cta-section h2 {
                font-size: 22px;
            }
            .btn {
                padding: 10px 22px;
                font-size: 14px;
            }
            .article-banner .breadcrumb {
                font-size: 12px;
                flex-wrap: wrap;
            }
            .sidebar-brand {
                padding: 20px 16px 16px;
            }
            .sidebar-brand .brand-text {
                font-size: 18px;
            }
            .sidebar-nav {
                padding: 12px 8px;
            }
            .sidebar-nav li a {
                padding: 10px 14px;
                font-size: 14px;
            }
        }

        @media (max-width: 400px) {
            .article-banner h1 {
                font-size: 20px;
            }
            .article-body {
                padding: 16px 12px;
                font-size: 14px;
            }
            .article-meta {
                flex-direction: column;
                gap: 6px;
            }
            .article-tags .tag {
                font-size: 12px;
                padding: 3px 10px;
            }
            .btn {
                padding: 8px 18px;
                font-size: 13px;
            }
        }

        /* ===== 滚动条美化 ===== */
        .sidebar::-webkit-scrollbar {
            width: 4px;
        }
        .sidebar::-webkit-scrollbar-track {
            background: transparent;
        }
        .sidebar::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.15);
            border-radius: 4px;
        }
        .sidebar::-webkit-scrollbar-thumb:hover {
            background: rgba(255, 255, 255, 0.25);
        }

        /* ===== 打印 ===== */
        @media print {
            .sidebar,
            .mobile-toggle,
            .sidebar-overlay,
            .cta-section,
            .related-posts,
            .site-footer {
                display: none !important;
            }
            .main-content {
                margin-left: 0 !important;
            }
            .article-body {
                box-shadow: none;
                padding: 0;
            }
            .article-banner {
                padding: 20px 0;
                background: #fff !important;
                color: #000 !important;
            }
            .article-banner h1 {
                color: #000 !important;
            }
            .article-banner::before {
                display: none;
            }
            .article-banner .breadcrumb a,
            .article-banner .breadcrumb,
            .article-meta {
                color: #666 !important;
            }
            .article-banner .category-badge {
                background: #eee;
                color: #333;
            }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0d6e4f;
            --primary-dark: #08523a;
            --primary-light: #14a37f;
            --secondary: #f5a623;
            --secondary-light: #ffd166;
            --accent: #e85d3a;
            --bg: #f5f7f6;
            --bg-card: #ffffff;
            --bg-dark: #0a1628;
            --bg-sidebar: #0b1e2e;
            --bg-sidebar-hover: #132d44;
            --text-primary: #1a2a3a;
            --text-secondary: #4a5a6a;
            --text-light: #8a9aab;
            --text-white: #f0f4f0;
            --border-light: #e2e8e6;
            --border-medium: #c8d4ce;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.1);
            --shadow-xl: 0 24px 60px rgba(0, 0, 0, 0.15);
            --font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            --sidebar-width: 260px;
            --header-height-mobile: 64px;
            --transition: all 0.25s 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-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg);
            display: flex;
            min-height: 100vh;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-light);
        }
        a:focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: 2px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: 1rem;
            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: 700;
            color: var(--text-primary);
        }
        h1 {
            font-size: 2.8rem;
        }
        h2 {
            font-size: 2rem;
        }
        h3 {
            font-size: 1.4rem;
        }
        h4 {
            font-size: 1.15rem;
        }
        p {
            margin-bottom: 1rem;
            color: var(--text-secondary);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 左侧导航 Sidebar ===== */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--bg-sidebar);
            color: var(--text-white);
            display: flex;
            flex-direction: column;
            z-index: 1000;
            overflow-y: auto;
            transition: transform 0.35s ease;
            box-shadow: 2px 0 20px rgba(0, 0, 0, 0.2);
        }
        .sidebar-brand {
            padding: 28px 24px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .sidebar-brand .brand-icon {
            font-size: 1.8rem;
            color: var(--secondary);
        }
        .sidebar-brand .brand-text {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: 1px;
        }
        .sidebar-brand .brand-text span {
            color: var(--secondary);
        }
        .sidebar-nav {
            padding: 20px 16px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .sidebar-nav li a {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 18px;
            border-radius: var(--radius-md);
            color: rgba(255, 255, 255, 0.7);
            font-size: 1rem;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
        }
        .sidebar-nav li a i {
            width: 22px;
            text-align: center;
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.5);
            transition: var(--transition);
        }
        .sidebar-nav li a:hover {
            background: var(--bg-sidebar-hover);
            color: var(--text-white);
        }
        .sidebar-nav li a:hover i {
            color: var(--secondary);
        }
        .sidebar-nav li.active a {
            background: rgba(20, 163, 127, 0.18);
            color: var(--text-white);
            font-weight: 600;
            box-shadow: inset 3px 0 0 var(--primary-light);
        }
        .sidebar-nav li.active a i {
            color: var(--primary-light);
        }
        .sidebar-footer {
            padding: 16px 24px 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.35);
            text-align: center;
        }
        .sidebar-footer a {
            color: rgba(255, 255, 255, 0.45);
        }
        .sidebar-footer a:hover {
            color: var(--secondary);
        }

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

        /* ===== 移动端顶部栏 ===== */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-height-mobile);
            background: var(--bg-sidebar);
            z-index: 1100;
            padding: 0 20px;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
        }
        .mobile-header .brand-text {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text-white);
        }
        .mobile-header .brand-text span {
            color: var(--secondary);
        }
        .mobile-header .hamburger {
            font-size: 1.6rem;
            color: var(--text-white);
            background: none;
            border: none;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .mobile-header .hamburger:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        .mobile-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1050;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .mobile-overlay.show {
            opacity: 1;
        }

        /* ===== Hero / Banner ===== */
        .hero-banner {
            position: relative;
            padding: 100px 0 80px;
            background: linear-gradient(135deg, rgba(11, 30, 46, 0.85) 0%, rgba(13, 110, 79, 0.75) 100%), url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            color: var(--text-white);
            text-align: center;
            overflow: hidden;
        }
        .hero-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, var(--bg) 0%, transparent 100%);
        }
        .hero-banner .hero-tag {
            display: inline-block;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(6px);
            padding: 6px 20px;
            border-radius: 30px;
            font-size: 0.85rem;
            color: var(--secondary-light);
            letter-spacing: 1px;
            margin-bottom: 20px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .hero-banner h1 {
            font-size: 3.4rem;
            color: var(--text-white);
            margin-bottom: 16px;
            text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .hero-banner h1 i {
            color: var(--secondary);
            margin-right: 8px;
        }
        .hero-banner p {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 680px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }
        .hero-banner .hero-search {
            display: flex;
            max-width: 520px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(8px);
            border-radius: 50px;
            padding: 4px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .hero-banner .hero-search input {
            flex: 1;
            padding: 14px 22px;
            background: transparent;
            color: var(--text-white);
            border: none;
            font-size: 1rem;
            border-radius: 50px 0 0 50px;
        }
        .hero-banner .hero-search input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }
        .hero-banner .hero-search button {
            padding: 14px 28px;
            background: var(--secondary);
            color: #1a2a3a;
            font-weight: 600;
            border-radius: 50px;
            font-size: 0.95rem;
            transition: var(--transition);
            white-space: nowrap;
        }
        .hero-banner .hero-search button:hover {
            background: var(--secondary-light);
            transform: scale(1.02);
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--bg-card);
        }
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 {
            margin-bottom: 10px;
            position: relative;
            display: inline-block;
        }
        .section-title h2::after {
            content: '';
            display: block;
            width: 60px;
            height: 3px;
            background: var(--primary-light);
            border-radius: 4px;
            margin: 12px auto 0;
        }
        .section-title p {
            max-width: 600px;
            margin: 12px auto 0;
            color: var(--text-light);
            font-size: 1.05rem;
        }
        .section-sub {
            text-align: center;
            margin-bottom: 40px;
            color: var(--text-light);
            font-size: 1.05rem;
        }

        /* ===== 攻略概览 ===== */
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .intro-content h2 {
            margin-bottom: 16px;
        }
        .intro-content h2 i {
            color: var(--primary-light);
            margin-right: 8px;
        }
        .intro-content p {
            margin-bottom: 16px;
            line-height: 1.8;
        }
        .intro-content .feature-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px 24px;
            margin-top: 20px;
        }
        .intro-content .feature-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.95rem;
            color: var(--text-secondary);
        }
        .intro-content .feature-list li i {
            color: var(--primary-light);
            font-size: 0.9rem;
        }
        .intro-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        .intro-image img {
            width: 100%;
            height: 380px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .intro-image:hover img {
            transform: scale(1.04);
        }

        /* ===== 卡片网格 ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 28px;
        }
        .card-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
        }
        .card-item:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary-light);
        }
        .card-item .card-img {
            height: 200px;
            overflow: hidden;
        }
        .card-item .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .card-item:hover .card-img img {
            transform: scale(1.06);
        }
        .card-item .card-body {
            padding: 22px 24px 26px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-item .card-body .card-tag {
            display: inline-block;
            background: rgba(13, 110, 79, 0.08);
            color: var(--primary);
            font-size: 0.8rem;
            padding: 4px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
            font-weight: 500;
            align-self: flex-start;
        }
        .card-item .card-body h3 {
            font-size: 1.2rem;
            margin-bottom: 8px;
        }
        .card-item .card-body p {
            font-size: 0.95rem;
            color: var(--text-light);
            margin-bottom: 14px;
            flex: 1;
        }
        .card-item .card-body .card-link {
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.9rem;
        }
        .card-item .card-body .card-link i {
            transition: transform 0.2s ease;
        }
        .card-item .card-body .card-link:hover i {
            transform: translateX(4px);
        }

        /* ===== 热门攻略列表 ===== */
        .hot-list {
            display: grid;
            gap: 16px;
        }
        .hot-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--bg-card);
            padding: 18px 24px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            cursor: default;
        }
        .hot-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
            transform: translateX(6px);
        }
        .hot-item .hot-num {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--border-medium);
            min-width: 44px;
            text-align: center;
            font-variant-numeric: tabular-nums;
        }
        .hot-item:nth-child(1) .hot-num {
            color: var(--accent);
        }
        .hot-item:nth-child(2) .hot-num {
            color: var(--secondary);
        }
        .hot-item:nth-child(3) .hot-num {
            color: var(--primary-light);
        }
        .hot-item .hot-info {
            flex: 1;
        }
        .hot-item .hot-info h4 {
            font-size: 1.05rem;
            margin-bottom: 4px;
        }
        .hot-item .hot-info p {
            font-size: 0.88rem;
            color: var(--text-light);
            margin: 0;
        }
        .hot-item .hot-meta {
            font-size: 0.82rem;
            color: var(--text-light);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .hot-item .hot-meta i {
            margin-right: 4px;
            color: var(--primary-light);
        }

        /* ===== 流程步骤 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 28px;
            counter-reset: step;
        }
        .step-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 24px 28px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            position: relative;
        }
        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .step-card .step-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 18px;
            background: rgba(13, 110, 79, 0.08);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--primary-light);
            transition: var(--transition);
        }
        .step-card:hover .step-icon {
            background: var(--primary);
            color: var(--text-white);
        }
        .step-card h4 {
            margin-bottom: 8px;
        }
        .step-card p {
            font-size: 0.92rem;
            color: var(--text-light);
            margin: 0;
        }
        .step-card .step-num {
            position: absolute;
            top: -12px;
            right: -8px;
            width: 32px;
            height: 32px;
            background: var(--primary-light);
            color: var(--text-white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            font-weight: 700;
            box-shadow: 0 2px 12px rgba(20, 163, 127, 0.3);
        }

        /* ===== 推荐钓点 ===== */
        .spot-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 28px;
        }
        .spot-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .spot-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .spot-card .spot-img {
            height: 200px;
            position: relative;
            overflow: hidden;
        }
        .spot-card .spot-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .spot-card:hover .spot-img img {
            transform: scale(1.06);
        }
        .spot-card .spot-img .spot-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--accent);
            color: #fff;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
        }
        .spot-card .spot-body {
            padding: 20px 22px 24px;
        }
        .spot-card .spot-body h4 {
            font-size: 1.1rem;
            margin-bottom: 8px;
        }
        .spot-card .spot-body .spot-loc {
            font-size: 0.88rem;
            color: var(--text-light);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .spot-card .spot-body .spot-loc i {
            color: var(--primary-light);
        }
        .spot-card .spot-body p {
            font-size: 0.92rem;
            color: var(--text-light);
            margin-bottom: 12px;
        }
        .spot-card .spot-body .spot-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .spot-card .spot-body .spot-tags span {
            background: rgba(13, 110, 79, 0.06);
            color: var(--primary);
            font-size: 0.78rem;
            padding: 4px 14px;
            border-radius: 20px;
            border: 1px solid rgba(13, 110, 79, 0.1);
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-medium);
        }
        .faq-item summary {
            padding: 20px 24px;
            font-weight: 600;
            font-size: 1.05rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            list-style: none;
            transition: var(--transition);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.85rem;
            color: var(--text-light);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }
        .faq-item summary:hover {
            background: rgba(13, 110, 79, 0.03);
        }
        .faq-item .faq-answer {
            padding: 0 24px 20px;
            color: var(--text-secondary);
            line-height: 1.8;
            font-size: 0.95rem;
        }
        .faq-item .faq-answer p:last-child {
            margin-bottom: 0;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
            padding: 80px 0;
            text-align: center;
            color: var(--text-white);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60%;
            left: -20%;
            width: 140%;
            height: 140%;
            background: radial-gradient(circle at 30% 50%, rgba(255, 255, 255, 0.05) 0%, transparent 60%);
            pointer-events: none;
        }
        .cta-section h2 {
            color: var(--text-white);
            font-size: 2.2rem;
            margin-bottom: 14px;
            position: relative;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            margin: 0 auto 32px;
            font-size: 1.1rem;
            position: relative;
        }
        .cta-section .btn-group {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            position: relative;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 34px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            border: none;
        }
        .btn-primary {
            background: var(--secondary);
            color: #1a2a3a;
        }
        .btn-primary:hover {
            background: var(--secondary-light);
            color: #1a2a3a;
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(245, 166, 35, 0.3);
        }
        .btn-outline-light {
            background: transparent;
            color: var(--text-white);
            border: 2px solid rgba(255, 255, 255, 0.4);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--text-white);
            color: var(--text-white);
            transform: translateY(-2px);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 60px 0 30px;
            margin-top: auto;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .site-footer .footer-brand h3 {
            color: var(--text-white);
            font-size: 1.6rem;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .site-footer .footer-brand h3 i {
            color: var(--secondary);
        }
        .site-footer .footer-brand p {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.92rem;
            max-width: 320px;
            line-height: 1.7;
        }
        .site-footer .footer-col h4 {
            color: var(--text-white);
            font-size: 1rem;
            margin-bottom: 18px;
            font-weight: 600;
        }
        .site-footer .footer-col ul li {
            margin-bottom: 10px;
        }
        .site-footer .footer-col ul li a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }
        .site-footer .footer-col ul li a i {
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.2);
            transition: var(--transition);
        }
        .site-footer .footer-col ul li a:hover {
            color: var(--secondary);
        }
        .site-footer .footer-col ul li a:hover i {
            color: var(--secondary);
            transform: translateX(3px);
        }
        .site-footer .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 24px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.35);
            flex-wrap: wrap;
            gap: 12px;
        }
        .site-footer .footer-bottom span:last-child {
            color: rgba(255, 255, 255, 0.2);
            font-style: italic;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .intro-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .intro-image img {
                height: 300px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            body {
                flex-direction: column;
                padding-top: var(--header-height-mobile);
            }
            .sidebar {
                transform: translateX(-100%);
                width: 280px;
            }
            .sidebar.open {
                transform: translateX(0);
            }
            .mobile-header {
                display: flex;
            }
            .mobile-overlay.show {
                display: block;
            }
            .main-content {
                margin-left: 0;
            }
            .hero-banner {
                padding: 60px 0 50px;
            }
            .hero-banner h1 {
                font-size: 2.2rem;
            }
            .hero-banner p {
                font-size: 1rem;
            }
            .hero-banner .hero-search {
                flex-direction: column;
                background: transparent;
                border: none;
                gap: 12px;
            }
            .hero-banner .hero-search input {
                background: rgba(255, 255, 255, 0.12);
                border-radius: 50px;
                padding: 12px 20px;
            }
            .hero-banner .hero-search button {
                border-radius: 50px;
                padding: 12px 24px;
                width: 100%;
            }
            .section {
                padding: 50px 0;
            }
            .section-title {
                margin-bottom: 32px;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            .intro-content .feature-list {
                grid-template-columns: 1fr;
            }
            .card-grid {
                grid-template-columns: 1fr 1fr;
                gap: 18px;
            }
            .steps-grid {
                grid-template-columns: 1fr 1fr;
                gap: 18px;
            }
            .spot-grid {
                grid-template-columns: 1fr 1fr;
                gap: 18px;
            }
            .hot-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
                padding: 16px 18px;
            }
            .hot-item .hot-meta {
                white-space: normal;
                font-size: 0.8rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-section h2 {
                font-size: 1.7rem;
            }
            .faq-item summary {
                padding: 16px 18px;
                font-size: 0.98rem;
            }
            .faq-item .faq-answer {
                padding: 0 18px 16px;
            }
            .sidebar-footer {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero-banner h1 {
                font-size: 1.8rem;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .spot-grid {
                grid-template-columns: 1fr;
            }
            .section-title h2 {
                font-size: 1.4rem;
            }
            .btn {
                padding: 12px 24px;
                font-size: 0.9rem;
                width: 100%;
                justify-content: center;
            }
            .cta-section .btn-group {
                flex-direction: column;
                align-items: center;
            }
            .intro-image img {
                height: 220px;
            }
            .card-item .card-img {
                height: 170px;
            }
            .spot-card .spot-img {
                height: 170px;
            }
            .hero-banner .hero-tag {
                font-size: 0.75rem;
                padding: 4px 14px;
            }
        }

        /* ===== 工具类 ===== */
        .text-center {
            text-align: center;
        }
        .mt-8 {
            margin-top: 32px;
        }
        .mb-8 {
            margin-bottom: 32px;
        }
        .gap-4 {
            gap: 16px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* ===== 滚动条美化 ===== */
        .sidebar::-webkit-scrollbar {
            width: 4px;
        }
        .sidebar::-webkit-scrollbar-track {
            background: transparent;
        }
        .sidebar::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.15);
            border-radius: 8px;
        }
        .main-content::-webkit-scrollbar {
            width: 6px;
        }
        .main-content::-webkit-scrollbar-track {
            background: transparent;
        }
        .main-content::-webkit-scrollbar-thumb {
            background: var(--border-medium);
            border-radius: 8px;
        }