/* roulang page: index */
:root {
            --primary:#0a6e5b; --primary-dark:#085a4a; --primary-light:#e8f5f2;
            --accent:#f0a83c; --accent-light:#fff7ea;
            --bg:#f8faf9; --bg-white:#ffffff;
            --text:#1e2b28; --text-muted:#6b7b76; --border:#e2ebe8;
            --radius-lg:20px; --radius-md:14px; --radius-sm:8px;
            --shadow-sm:0 2px 8px rgba(0,0,0,0.04);
            --shadow-md:0 8px 30px rgba(0,0,0,0.06);
            --shadow-lg:0 20px 50px rgba(0,0,0,0.08);
            --transition:all 0.3s ease;
        }
        *,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
        body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.7;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;}
        a{text-decoration:none;color:inherit;transition:color 0.2s;}
        a:hover{color:var(--primary);}
        img{max-width:100%;height:auto;display:block;}
        button,input{font-family:inherit;}
        .container{max-width:1200px;padding-left:24px;padding-right:24px;}
        .top-bar{background:var(--primary-dark);color:rgba(255,255,255,0.9);font-size:14px;padding:8px 0;border-bottom:1px solid rgba(255,255,255,0.08);}
        .top-bar .container{display:flex;justify-content:space-between;align-items:center;}
        .top-bar a{color:rgba(255,255,255,0.9);margin-left:20px;}
        .top-bar a:hover{color:var(--accent);}
        .main-nav{background:rgba(255,255,255,0.96);backdrop-filter:blur(12px);position:sticky;top:0;z-index:1000;border-bottom:1px solid var(--border);padding:14px 0;transition:var(--transition);}
        .main-nav .container{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;}
        .brand-logo{font-size:22px;font-weight:800;color:var(--primary);display:flex;align-items:center;gap:10px;white-space:nowrap;}
        .brand-logo i{font-size:28px;color:var(--accent);}
        .brand-logo span{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;}
        .nav-links{display:flex;gap:8px;align-items:center;flex-wrap:wrap;}
        .nav-links a{padding:8px 16px;border-radius:40px;font-size:15px;font-weight:500;color:var(--text);transition:var(--transition);}
        .nav-links a:hover{background:var(--primary-light);color:var(--primary);}
        .nav-links a.active{background:var(--primary);color:#fff;font-weight:600;}
        .nav-cta{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:#1e2b28!important;font-weight:700;padding:10px 22px;border-radius:40px;font-size:14px;transition:var(--transition);box-shadow:0 4px 15px rgba(240,168,60,0.3);}
        .nav-cta:hover{background:#e09a2c;transform:translateY(-2px);box-shadow:0 6px 20px rgba(240,168,60,0.4);}
        .nav-toggle{display:none;background:none;border:none;font-size:24px;color:var(--text);cursor:pointer;}
        .hero{position:relative;padding:110px 0;background:linear-gradient(135deg,rgba(8,90,74,0.92) 0%,rgba(10,110,91,0.75) 50%,rgba(6,65,54,0.9) 100%),url('/assets/images/backpic/back-1.png') no-repeat center center/cover;color:#fff;overflow:hidden;}
        .hero::before{content:'';position:absolute;top:-60%;right:-30%;width:600px;height:600px;background:radial-gradient(circle,rgba(240,168,60,0.15) 0%,transparent 70%);border-radius:50%;}
        .hero-content{position:relative;z-index:2;max-width:640px;}
        .hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,0.12);border:1px solid rgba(255,255,255,0.2);color:var(--accent);padding:6px 16px;border-radius:40px;font-size:14px;margin-bottom:24px;font-weight:600;}
        .hero h1{font-size:46px;font-weight:800;line-height:1.25;margin-bottom:20px;letter-spacing:-0.5px;}
        .hero p{font-size:18px;line-height:1.8;color:rgba(255,255,255,0.9);margin-bottom:36px;max-width:540px;}
        .hero-buttons{display:flex;gap:16px;flex-wrap:wrap;}
        .btn-hero{display:inline-flex;align-items:center;gap:10px;padding:14px 32px;border-radius:50px;font-weight:600;font-size:16px;transition:var(--transition);}
        .btn-hero-primary{background:var(--accent);color:#1e2b28;box-shadow:0 8px 30px rgba(240,168,60,0.35);}
        .btn-hero-primary:hover{background:#ffb84d;transform:translateY(-3px);color:#1e2b28;box-shadow:0 12px 40px rgba(240,168,60,0.45);}
        .btn-hero-outline{background:transparent;color:#fff;border:2px solid rgba(255,255,255,0.4);}
        .btn-hero-outline:hover{background:rgba(255,255,255,0.1);border-color:#fff;color:#fff;transform:translateY(-3px);}
        .hero-stats{display:flex;gap:40px;margin-top:50px;padding-top:36px;border-top:1px solid rgba(255,255,255,0.15);}
        .hero-stat{text-align:left;}
        .hero-stat .num{font-size:36px;font-weight:800;color:var(--accent);line-height:1.2;}
        .hero-stat .label{font-size:14px;color:rgba(255,255,255,0.7);margin-top:4px;}
        .section{padding:90px 0;}
        .section-bg{background:var(--bg-white);}
        .section-head{text-align:center;max-width:720px;margin:0 auto 56px;}
        .section-head .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--primary);background:var(--primary-light);padding:6px 16px;border-radius:40px;font-size:14px;font-weight:600;margin-bottom:16px;}
        .section-head h2{font-size:36px;font-weight:700;margin-bottom:16px;color:var(--text);}
        .section-head p{font-size:16px;color:var(--text-muted);line-height:1.8;}
        .stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
        .stat-card{background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px 28px;text-align:center;transition:var(--transition);position:relative;overflow:hidden;}
        .stat-card::after{content:'';position:absolute;bottom:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--primary),var(--accent));opacity:0;transition:var(--transition);}
        .stat-card:hover::after{opacity:1;}
        .stat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);}
        .stat-card i{font-size:32px;color:var(--primary);margin-bottom:16px;}
        .stat-card .number{font-size:38px;font-weight:800;color:var(--text);line-height:1.2;}
        .stat-card .label{font-size:14px;color:var(--text-muted);margin-top:8px;}
        .feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
        .feature-card{background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius-lg);padding:36px 32px;transition:var(--transition);position:relative;}
        .feature-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:var(--primary);}
        .feature-icon{width:60px;height:60px;background:var(--primary-light);border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:24px;color:var(--primary);margin-bottom:20px;}
        .feature-card h3{font-size:19px;font-weight:700;margin-bottom:12px;}
        .feature-card p{font-size:14px;color:var(--text-muted);line-height:1.7;}
        .category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
        .category-card{border-radius:var(--radius-lg);overflow:hidden;background:var(--bg-white);border:1px solid var(--border);transition:var(--transition);position:relative;}
        .category-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);}
        .category-card .cat-img{height:180px;overflow:hidden;position:relative;}
        .category-card .cat-img img{width:100%;height:100%;object-fit:cover;transition:transform 0.5s ease;}
        .category-card:hover .cat-img img{transform:scale(1.05);}
        .category-card .cat-img::after{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(180deg,transparent 50%,rgba(0,0,0,0.5));}
        .category-card .cat-body{padding:24px;}
        .category-card h3{font-size:18px;font-weight:700;margin-bottom:8px;}
        .category-card p{font-size:14px;color:var(--text-muted);margin-bottom:16px;}
        .category-card .cat-link{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-weight:600;font-size:14px;}
        .category-card .cat-link i{transition:transform 0.3s;}
        .category-card .cat-link:hover i{transform:translateX(4px);}
        .content-section{background:var(--bg);}
        .content-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
        .content-card{background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;transition:var(--transition);}
        .content-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);}
        .content-card .card-img{height:200px;overflow:hidden;}
        .content-card .card-img img{width:100%;height:100%;object-fit:cover;transition:transform 0.5s;}
        .content-card:hover .card-img img{transform:scale(1.04);}
        .content-card .card-body{padding:24px;}
        .card-meta{display:flex;align-items:center;gap:12px;margin-bottom:12px;font-size:13px;color:var(--text-muted);}
        .card-meta .badge-cat{background:var(--primary-light);color:var(--primary);padding:4px 12px;border-radius:20px;font-weight:600;}
        .content-card h3{font-size:17px;font-weight:700;line-height:1.5;margin-bottom:10px;}
        .content-card .card-desc{font-size:14px;color:var(--text-muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
        .steps-section{background:var(--primary-dark);color:#fff;position:relative;overflow:hidden;}
        .steps-section::before{content:'';position:absolute;top:0;right:0;width:400px;height:400px;background:radial-gradient(circle,rgba(240,168,60,0.1) 0%,transparent 70%);}
        .steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;position:relative;}
        .step-item{text-align:center;padding:32px 20px;border-radius:var(--radius-lg);background:rgba(255,255,255,0.05);border:1px solid rgba(255,255,255,0.1);transition:var(--transition);position:relative;}
        .step-item:hover{background:rgba(255,255,255,0.1);transform:translateY(-6px);}
        .step-num{width:48px;height:48px;background:var(--accent);color:#1e2b28;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;margin:0 auto 16px;}
        .step-item h3{font-size:17px;font-weight:700;margin-bottom:10px;}
        .step-item p{font-size:14px;color:rgba(255,255,255,0.75);}
        .faq-container{max-width:800px;margin:0 auto;}
        .faq-item{background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius-md);padding:24px 28px;margin-bottom:16px;transition:var(--transition);cursor:pointer;}
        .faq-item:hover{border-color:var(--primary);}
        .faq-item.active{box-shadow:var(--shadow-sm);}
        .faq-question{display:flex;align-items:center;justify-content:space-between;font-weight:600;font-size:16px;}
        .faq-question i{color:var(--primary);transition:transform 0.3s;}
        .faq-item.active .faq-question i{transform:rotate(45deg);}
        .faq-answer{display:none;padding-top:16px;font-size:14px;color:var(--text-muted);line-height:1.8;border-top:1px solid var(--border);margin-top:16px;}
        .faq-item.active .faq-answer{display:block;}
        .cta-section{position:relative;padding:80px 0;background:linear-gradient(135deg,rgba(10,110,91,0.95) 0%,rgba(6,65,54,0.95) 100%),url('/assets/images/backpic/back-2.png') no-repeat center center/cover;color:#fff;text-align:center;}
        .cta-section h2{font-size:34px;font-weight:800;margin-bottom:16px;}
        .cta-section p{font-size:16px;color:rgba(255,255,255,0.85);max-width:600px;margin:0 auto 36px;}
        footer{background:#0a1613;color:rgba(255,255,255,0.8);padding-top:60px;}
        .footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:40px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,0.08);}
        .footer-brand{font-size:22px;font-weight:800;color:#fff;margin-bottom:12px;}
        .footer-brand i{color:var(--accent);}
        .footer-desc{font-size:14px;line-height:1.7;color:rgba(255,255,255,0.6);}
        .footer-title{font-size:16px;font-weight:700;color:#fff;margin-bottom:20px;}
        .footer-links{list-style:none;padding:0;}
        .footer-links li{margin-bottom:10px;}
        .footer-links a{color:rgba(255,255,255,0.6);font-size:14px;transition:var(--transition);}
        .footer-links a:hover{color:var(--accent);padding-left:4px;}
        .footer-bottom{padding:24px 0;display:flex;justify-content:space-between;align-items:center;font-size:13px;color:rgba(255,255,255,0.5);}
        .footer-bottom a{color:rgba(255,255,255,0.5);}
        .footer-bottom a:hover{color:var(--accent);}
        @media(max-width:1024px){
            .hero h1{font-size:38px;}
            .stats-grid{grid-template-columns:repeat(2,1fr);}
            .feature-grid{grid-template-columns:repeat(2,1fr);}
            .category-grid{grid-template-columns:repeat(2,1fr);}
            .content-grid{grid-template-columns:repeat(2,1fr);}
            .steps-grid{grid-template-columns:repeat(2,1fr);}
            .footer-grid{grid-template-columns:repeat(2,1fr);}
        }
        @media(max-width:768px){
            .nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;padding:20px;box-shadow:0 20px 40px rgba(0,0,0,0.1);flex-direction:column;align-items:flex-start;border-bottom:1px solid var(--border);}
            .nav-links.open{display:flex;}
            .nav-toggle{display:block;}
            .nav-cta{margin-left:auto;}
            .hero{padding:80px 0;}
            .hero h1{font-size:32px;}
            .hero-stats{flex-wrap:wrap;gap:20px;}
            .section{padding:60px 0;}
            .section-head h2{font-size:28px;}
        }
        @media(max-width:520px){
            .stats-grid{grid-template-columns:1fr;}
            .feature-grid{grid-template-columns:1fr;}
            .category-grid{grid-template-columns:1fr;}
            .content-grid{grid-template-columns:1fr;}
            .steps-grid{grid-template-columns:1fr;}
            .footer-grid{grid-template-columns:1fr;}
            .hero h1{font-size:28px;}
            .hero-buttons{flex-direction:column;}
            .btn-hero{justify-content:center;}
            .top-bar .container{flex-direction:column;gap:6px;}
            .footer-bottom{flex-direction:column;gap:12px;text-align:center;}
        }

/* roulang page: category1 */
/* ========== 设计变量 ========== */
        :root {
            --primary: #123b6d;
            --primary-dark: #0c2a4d;
            --accent: #0ea5a4;
            --accent-light: #d7f3f2;
            --bg: #f4f6fb;
            --bg-white: #ffffff;
            --text: #1e293b;
            --text-light: #64748b;
            --border: #e2e8f0;
            --shadow: 0 6px 24px rgba(18, 59, 109, 0.08);
            --shadow-hover: 0 12px 32px rgba(18, 59, 109, 0.14);
            --radius: 16px;
            --radius-sm: 10px;
            --transition: all 0.3s ease;
        }

        /* ========== 基础 reset / base ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

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

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

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

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

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ========== 导航 ========== */
        .main-nav {
            position: sticky;
            top: 0;
            z-index: 999;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.8);
            box-shadow: 0 2px 16px rgba(15, 23, 42, 0.04);
        }

        .main-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .brand-logo i {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            font-size: 1rem;
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border);
            border-radius: 8px;
            font-size: 1.2rem;
            color: var(--primary);
            padding: 6px 10px;
            cursor: pointer;
            line-height: 1;
        }

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

        .nav-links > a {
            position: relative;
            padding: 10px 14px;
            font-weight: 500;
            color: var(--text);
            border-radius: 8px;
            font-size: 0.95rem;
            transition: var(--transition);
        }

        .nav-links > a:hover {
            color: var(--primary);
            background: rgba(18, 59, 109, 0.06);
        }

        .nav-links > a.active {
            color: var(--primary);
            font-weight: 700;
        }

        .nav-links > a.active::after {
            content: "";
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 4px;
            height: 3px;
            border-radius: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff !important;
            border-radius: 30px;
            padding: 10px 22px !important;
            font-weight: 600;
            border: none;
            margin-left: 8px;
            box-shadow: 0 4px 14px rgba(14, 165, 164, 0.25);
        }

        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(14, 165, 164, 0.35);
            background: linear-gradient(135deg, var(--primary-dark), var(--accent));
        }

        .nav-cta i {
            font-size: 0.85rem;
        }

        /* ========== 页面 Banner ========== */
        .page-banner {
            position: relative;
            padding: 100px 0 90px;
            background: linear-gradient(135deg, rgba(12, 42, 77, 0.88), rgba(14, 165, 164, 0.75)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            color: #fff;
            text-align: center;
        }

        .page-banner .banner-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.25);
            padding: 8px 20px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            backdrop-filter: blur(6px);
            margin-bottom: 24px;
        }

        .page-banner .banner-tag i {
            color: #7dd3cb;
        }

        .page-banner h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.3;
            margin: 0 0 16px;
            letter-spacing: 1px;
        }

        .page-banner h1 span {
            color: #7dd3cb;
        }

        .page-banner p {
            font-size: 1.1rem;
            max-width: 720px;
            margin: 0 auto 32px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.8;
        }

        .banner-btns {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-light-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--primary);
            padding: 13px 28px;
            border-radius: 30px;
            font-weight: 700;
            border: none;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
        }

        .btn-light-custom:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
        }

        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            padding: 13px 28px;
            border-radius: 30px;
            font-weight: 600;
            border: 2px solid rgba(255, 255, 255, 0.8);
            transition: var(--transition);
        }

        .btn-outline-custom:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            transform: translateY(-3px);
        }

        .breadcrumb-wrap {
            margin-top: 30px;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
        }

        .breadcrumb-wrap a {
            color: rgba(255, 255, 255, 0.85);
        }

        .breadcrumb-wrap a:hover {
            color: #fff;
        }

        .breadcrumb-wrap .sep {
            margin: 0 8px;
            opacity: 0.6;
        }

        /* ========== 通用 section ========== */
        .section {
            padding: 80px 0;
        }

        .section-alt {
            background: var(--bg-white);
        }

        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 56px;
        }

        .section-head .section-tag {
            display: inline-block;
            background: var(--accent-light);
            color: var(--accent);
            font-size: 0.85rem;
            font-weight: 700;
            padding: 6px 18px;
            border-radius: 30px;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }

        .section-head h2 {
            font-size: 2.1rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 14px;
            line-height: 1.3;
        }

        .section-head p {
            color: var(--text-light);
            font-size: 1rem;
            line-height: 1.8;
            margin: 0;
        }

        /* ========== 登录方式卡片 ========== */
        .method-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: 36px 32px;
            height: 100%;
            border: 1px solid rgba(226, 232, 240, 0.7);
            box-shadow: var(--shadow);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .method-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: var(--transition);
        }

        .method-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(14, 165, 164, 0.3);
        }

        .method-card:hover::before {
            opacity: 1;
        }

        .method-icon {
            width: 62px;
            height: 62px;
            border-radius: 16px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.5rem;
            margin-bottom: 20px;
            box-shadow: 0 8px 20px rgba(18, 59, 109, 0.2);
        }

        .method-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
        }

        .method-card p {
            color: var(--text-light);
            font-size: 0.95rem;
            line-height: 1.8;
            margin-bottom: 0;
        }

        .method-card .method-tag {
            display: inline-block;
            margin-top: 16px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--accent);
            background: var(--accent-light);
            padding: 4px 14px;
            border-radius: 20px;
        }

        /* ========== 登录步骤 ========== */
        .steps-section {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .steps-section::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -60px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(14, 165, 164, 0.2);
        }

        .steps-section .section-head h2 {
            color: #fff;
        }

        .steps-section .section-head p {
            color: rgba(255, 255, 255, 0.75);
        }

        .steps-section .section-tag {
            background: rgba(255, 255, 255, 0.15);
            color: #7dd3cb;
        }

        .step-item {
            text-align: center;
            padding: 20px 12px;
            position: relative;
        }

        .step-num {
            width: 64px;
            height: 64px;
            margin: 0 auto 20px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            border: 2px solid rgba(125, 211, 203, 0.6);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: 800;
            color: #7dd3cb;
        }

        .step-item h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .step-item p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.7;
            margin: 0;
        }

        .step-arrow {
            position: absolute;
            top: 50%;
            right: -18px;
            transform: translateY(-50%);
            color: rgba(125, 211, 203, 0.6);
            font-size: 1.2rem;
            z-index: 2;
        }

        /* ========== 登录注意事项 ========== */
        .notes-wrap {
            display: flex;
            align-items: center;
            gap: 50px;
        }

        .notes-image {
            flex: 0 0 46%;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
        }

        .notes-image img {
            width: 100%;
            height: 340px;
            object-fit: cover;
            transition: var(--transition);
        }

        .notes-image:hover img {
            transform: scale(1.04);
        }

        .notes-content {
            flex: 1;
        }

        .notes-content .section-tag {
            display: inline-block;
            background: var(--accent-light);
            color: var(--accent);
            font-size: 0.85rem;
            font-weight: 700;
            padding: 6px 18px;
            border-radius: 30px;
            margin-bottom: 14px;
        }

        .notes-content h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 18px;
            line-height: 1.3;
        }

        .notes-list {
            margin-top: 24px;
        }

        .notes-list li {
            display: flex;
            gap: 14px;
            padding: 14px 0;
            border-bottom: 1px dashed var(--border);
        }

        .notes-list li:last-child {
            border-bottom: none;
        }

        .notes-list i {
            width: 30px;
            height: 30px;
            flex-shrink: 0;
            border-radius: 8px;
            background: var(--accent-light);
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            margin-top: 3px;
        }

        .notes-list strong {
            display: block;
            font-size: 1rem;
            color: var(--text);
            margin-bottom: 4px;
        }

        .notes-list span {
            font-size: 0.92rem;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* ========== 相关指引卡片 ========== */
        .guide-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid rgba(226, 232, 240, 0.7);
            box-shadow: var(--shadow);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .guide-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-hover);
        }

        .guide-card .guide-cover {
            position: relative;
            height: 190px;
            overflow: hidden;
        }

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

        .guide-card:hover .guide-cover img {
            transform: scale(1.06);
        }

        .guide-card .guide-cover::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(12, 42, 77, 0.35), transparent);
        }

        .guide-card .guide-badge {
            position: absolute;
            bottom: 14px;
            left: 14px;
            z-index: 2;
            background: rgba(255, 255, 255, 0.92);
            color: var(--primary);
            font-size: 0.8rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 20px;
            backdrop-filter: blur(4px);
        }

        .guide-card .guide-body {
            padding: 26px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .guide-card .guide-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .guide-card .guide-body p {
            color: var(--text-light);
            font-size: 0.92rem;
            line-height: 1.75;
            flex: 1;
            margin-bottom: 16px;
        }

        .guide-card .guide-link {
            font-weight: 600;
            color: var(--primary);
            font-size: 0.92rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .guide-card .guide-link:hover {
            color: var(--accent);
            gap: 10px;
        }

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

        .faq-wrap {
            max-width: 850px;
            margin: 0 auto;
        }

        .accordion-item {
            border: 1px solid var(--border) !important;
            border-radius: var(--radius-sm) !important;
            margin-bottom: 14px;
            background: var(--bg);
            box-shadow: 0 2px 8px rgba(18, 59, 109, 0.04);
            overflow: hidden;
        }

        .accordion-button {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            background: var(--bg-white);
            padding: 18px 22px;
            border-radius: var(--radius-sm) !important;
            box-shadow: none !important;
        }

        .accordion-button:focus {
            box-shadow: none !important;
            border-color: transparent;
        }

        .accordion-button:not(.collapsed) {
            background: var(--accent-light);
            color: var(--primary);
        }

        .accordion-button::after {
            background-image: none;
            content: "\f078";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            width: auto;
            height: auto;
            color: var(--accent);
            font-size: 0.85rem;
            transition: var(--transition);
        }

        .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .accordion-body {
            padding: 18px 22px;
            color: var(--text-light);
            font-size: 0.95rem;
            line-height: 1.8;
            border-top: 1px solid rgba(226, 232, 240, 0.6);
        }

        /* ========== CTA 区块 ========== */
        .cta-section {
            padding: 90px 0;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            top: -80px;
            left: 10%;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
        }

        .cta-section::after {
            content: "";
            position: absolute;
            bottom: -100px;
            right: 8%;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
        }

        .cta-section h2 {
            font-size: 2.3rem;
            font-weight: 800;
            margin-bottom: 16px;
            position: relative;
            z-index: 2;
        }

        .cta-section p {
            font-size: 1.1rem;
            max-width: 600px;
            margin: 0 auto 32px;
            color: rgba(255, 255, 255, 0.85);
            position: relative;
            z-index: 2;
        }

        .cta-btns {
            display: flex;
            justify-content: center;
            gap: 16px;
            position: relative;
            z-index: 2;
            flex-wrap: wrap;
        }

        .btn-cta-white {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--primary);
            padding: 14px 30px;
            border-radius: 30px;
            font-weight: 700;
            transition: var(--transition);
            border: none;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
        }

        .btn-cta-white:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 28px rgba(0, 0, 0, 0.2);
        }

        .btn-cta-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            padding: 13px 30px;
            border-radius: 30px;
            font-weight: 600;
            border: 2px solid rgba(255, 255, 255, 0.8);
            transition: var(--transition);
        }

        .btn-cta-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-3px);
        }

        /* ========== 页脚 ========== */
        footer {
            background: #0f1f33;
            color: #94a3b8;
            padding: 60px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-brand i {
            color: var(--accent);
            font-size: 1.3rem;
        }

        .footer-desc {
            font-size: 0.92rem;
            line-height: 1.8;
            margin: 0;
            max-width: 300px;
        }

        .footer-title {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-title::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 3px;
            border-radius: 3px;
            background: var(--accent);
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: #94a3b8;
            font-size: 0.92rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding: 24px 0;
            font-size: 0.85rem;
            color: #64748b;
        }

        .footer-bottom a {
            color: #94a3b8;
        }

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

        /* ========== 滚动动画 ========== */
        .section {
            opacity: 1;
        }

        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(28px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .reveal {
            animation: fadeUp 0.6s ease forwards;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 991.98px) {
            .nav-toggle {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }

            .nav-links {
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: var(--bg-white);
                flex-direction: column;
                align-items: stretch;
                padding: 16px 24px 24px;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 16px 32px rgba(15, 23, 42, 0.1);
                display: none;
                max-height: calc(100vh - 72px);
                overflow-y: auto;
            }

            .nav-links.open {
                display: flex;
            }

            .nav-links > a {
                padding: 14px 16px;
                border-radius: 10px;
            }

            .nav-links > a.active::after {
                display: none;
            }

            .nav-links > a.active {
                background: var(--accent-light);
            }

            .nav-cta {
                margin: 12px 0 0;
                justify-content: center;
            }

            .page-banner h1 {
                font-size: 2.1rem;
            }

            .section {
                padding: 60px 0;
            }

            .section-head h2 {
                font-size: 1.75rem;
            }

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

            .step-arrow {
                display: none;
            }

            .notes-wrap {
                flex-direction: column;
                gap: 30px;
            }

            .notes-image {
                flex: 0 0 100%;
            }

            .notes-image img {
                height: 260px;
            }
        }

        @media (max-width: 767.98px) {
            .page-banner {
                padding: 70px 0 60px;
            }

            .page-banner h1 {
                font-size: 1.75rem;
            }

            .page-banner p {
                font-size: 1rem;
            }

            .section {
                padding: 48px 0;
            }

            .section-head {
                margin-bottom: 40px;
            }

            .section-head h2 {
                font-size: 1.5rem;
            }

            .method-card {
                padding: 28px 24px;
            }

            .cta-section {
                padding: 60px 0;
            }

            .cta-section h2 {
                font-size: 1.7rem;
            }

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

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

        @media (max-width: 575.98px) {
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }

            .page-banner h1 {
                font-size: 1.5rem;
            }

            .banner-btns,
            .cta-btns {
                flex-direction: column;
                align-items: center;
                width: 100%;
            }

            .banner-btns a,
            .cta-btns a {
                width: 100%;
                justify-content: center;
                max-width: 280px;
            }

            .step-item {
                max-width: 320px;
                margin: 0 auto;
            }
        }

/* roulang page: article */
:root {
            --primary: #0f4c81;
            --primary-dark: #0b3b6b;
            --secondary: #2e8b8b;
            --accent: #4ecdc4;
            --bg-body: #f0f4f8;
            --bg-white: #ffffff;
            --bg-light: #f8fafc;
            --text-dark: #172033;
            --text-body: #3d4f61;
            --text-muted: #7a8b9c;
            --border: #dfe6ef;
            --border-light: #edf1f6;
            --radius: 14px;
            --radius-lg: 22px;
            --radius-sm: 8px;
            --shadow: 0 4px 20px rgba(15, 76, 129, 0.07);
            --shadow-lg: 0 14px 44px rgba(15, 76, 129, 0.11);
            --shadow-accent: 0 10px 30px rgba(46, 139, 139, 0.18);
            --transition: all 0.3s ease;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg-body);
            color: var(--text-body);
            line-height: 1.7;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }
        .text-primary-theme {
            color: var(--primary) !important;
        }
        .text-secondary-theme {
            color: var(--secondary) !important;
        }
        .bg-soft {
            background: var(--bg-light) !important;
        }

        /* Top Bar */
        .top-bar {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.88);
            font-size: 13px;
            padding: 7px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .top-bar a {
            color: rgba(255, 255, 255, 0.82);
        }
        .top-bar a:hover {
            color: var(--accent);
        }
        .top-bar-left span {
            display: inline-flex;
            align-items: center;
            margin-right: 18px;
        }
        .top-bar-left i,
        .top-bar-right i {
            margin-right: 4px;
            color: var(--accent);
            font-size: 12px;
        }
        .top-bar-right {
            text-align: right;
        }

        /* Nav */
        .main-nav {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 2px 16px rgba(15, 76, 129, 0.04);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 0;
        }
        .main-nav .container {
            display: flex;
            align-items: center;
            min-height: 68px;
            flex-wrap: wrap;
        }
        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.5px;
            margin-right: 28px;
            white-space: nowrap;
        }
        .brand-logo i {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            border-radius: 12px;
            font-size: 18px;
            box-shadow: 0 4px 14px rgba(15, 76, 129, 0.3);
        }
        .brand-logo span {
            line-height: 1.2;
        }
        .nav-toggle {
            display: none;
            margin-left: auto;
            background: none;
            border: none;
            font-size: 20px;
            color: var(--primary);
            padding: 8px;
            cursor: pointer;
            border-radius: var(--radius-sm);
        }
        .nav-toggle:hover {
            background: var(--bg-light);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            margin-left: auto;
        }
        .nav-links > a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            border-radius: 20px;
            position: relative;
            white-space: nowrap;
        }
        .nav-links > a:hover {
            color: var(--primary);
            background: var(--bg-light);
        }
        .nav-links > a.active {
            color: var(--primary);
            font-weight: 700;
            background: rgba(15, 76, 129, 0.07);
        }
        .nav-links > a.active::after {
            content: '';
            position: absolute;
            bottom: 3px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 3px;
            border-radius: 3px;
            background: var(--secondary);
        }
        .nav-cta {
            background: var(--primary);
            color: #fff !important;
            border-radius: 22px;
            padding: 8px 20px;
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(15, 76, 129, 0.25);
            margin-left: 10px;
        }
        .nav-cta:hover {
            background: var(--secondary);
            color: #fff !important;
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(46, 139, 139, 0.3);
        }

        /* Page Banner (inner) */
        .page-banner {
            background: linear-gradient(135deg, rgba(15, 76, 129, 0.88), rgba(46, 139, 139, 0.82)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            padding: 42px 0;
            color: #fff;
            border-bottom: 4px solid var(--accent);
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.78);
            margin-bottom: 10px;
            flex-wrap: wrap;
        }
        .breadcrumb-nav a {
            color: rgba(255, 255, 255, 0.82);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .breadcrumb-nav a:hover {
            color: var(--accent);
        }
        .breadcrumb-nav i {
            font-size: 12px;
            margin: 0 2px;
            opacity: 0.7;
        }
        .page-banner-title {
            font-size: 30px;
            font-weight: 800;
            line-height: 1.35;
            margin: 0;
            max-width: 820px;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
        }
        .page-banner-desc {
            font-size: 14px;
            opacity: 0.86;
            margin-top: 6px;
            max-width: 650px;
        }

        /* Article Main */
        .article-main {
            padding: 48px 0 20px;
        }
        .article-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow);
            padding: 36px 40px;
            overflow: hidden;
        }
        .article-meta-bar {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 22px;
            padding-bottom: 20px;
            border-bottom: 1px solid var(--border-light);
        }
        .article-meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .article-meta-item i {
            color: var(--secondary);
        }
        .article-meta-item .badge {
            background: rgba(46, 139, 139, 0.12);
            color: var(--secondary);
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 13px;
        }
        .article-cover {
            width: 100%;
            border-radius: var(--radius);
            overflow: hidden;
            margin-bottom: 28px;
            box-shadow: var(--shadow);
        }
        .article-cover img {
            width: 100%;
            height: auto;
            aspect-ratio: 16 / 8;
            object-fit: cover;
        }
        .article-body {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-body);
        }
        .article-body h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
            margin: 34px 0 14px;
            padding-bottom: 8px;
            border-bottom: 2px solid var(--border-light);
        }
        .article-body h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--text-dark);
            margin: 26px 0 10px;
        }
        .article-body p {
            margin-bottom: 18px;
        }
        .article-body img {
            margin: 20px 0;
            border-radius: var(--radius);
        }
        .article-body ul,
        .article-body ol {
            margin: 16px 0 20px;
            padding-left: 24px;
        }
        .article-body li {
            margin-bottom: 8px;
            line-height: 1.75;
        }
        .article-body blockquote {
            border-left: 4px solid var(--secondary);
            background: var(--bg-light);
            padding: 14px 20px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 22px 0;
            color: var(--text-muted);
            font-style: italic;
        }
        .article-body a {
            color: var(--primary);
            font-weight: 600;
            border-bottom: 1px dashed rgba(15, 76, 129, 0.3);
        }
        .article-body a:hover {
            color: var(--secondary);
            border-color: var(--secondary);
        }
        .article-body code {
            background: var(--bg-light);
            color: var(--primary-dark);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 14px;
            border: 1px solid var(--border-light);
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            font-size: 14px;
        }
        .article-body table th,
        .article-body table td {
            border: 1px solid var(--border-light);
            padding: 10px 14px;
            text-align: left;
        }
        .article-body table th {
            background: var(--bg-light);
            font-weight: 600;
            color: var(--text-dark);
        }
        .article-tags {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 28px;
            padding-top: 20px;
            border-top: 1px solid var(--border-light);
        }
        .article-tags .tag-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-muted);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .article-tags .tag-item {
            display: inline-block;
            background: var(--bg-light);
            border: 1px solid var(--border-light);
            color: var(--text-body);
            font-size: 13px;
            padding: 4px 14px;
            border-radius: 20px;
            transition: var(--transition);
        }
        .article-tags .tag-item:hover {
            background: var(--secondary);
            color: #fff;
            border-color: var(--secondary);
        }

        /* Article Missing */
        .article-missing {
            text-align: center;
            padding: 60px 20px 80px;
        }
        .article-missing-icon {
            font-size: 56px;
            color: var(--border);
            margin-bottom: 16px;
        }
        .article-missing h2 {
            font-size: 28px;
            color: var(--text-dark);
            font-weight: 700;
            margin-bottom: 10px;
        }
        .article-missing p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }
        .article-missing .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            padding: 10px 30px;
            border-radius: 26px;
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(15, 76, 129, 0.22);
            transition: var(--transition);
        }
        .article-missing .btn-back:hover {
            background: var(--secondary);
            transform: translateY(-2px);
            color: #fff;
        }

        /* Sidebar */
        .sidebar-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow);
            padding: 22px;
            margin-bottom: 22px;
        }
        .sidebar-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border-light);
        }
        .sidebar-title i {
            color: var(--secondary);
        }
        .sidebar-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .sidebar-list li {
            border-bottom: 1px dashed var(--border-light);
        }
        .sidebar-list li:last-child {
            border-bottom: none;
        }
        .sidebar-list a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 0;
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.4;
        }
        .sidebar-list a:hover {
            color: var(--secondary);
            padding-left: 4px;
        }
        .sidebar-list a .list-icon {
            width: 30px;
            height: 30px;
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(46, 139, 139, 0.1);
            color: var(--secondary);
            border-radius: 8px;
            font-size: 13px;
        }
        .sidebar-list a .list-date {
            margin-left: auto;
            font-size: 12px;
            color: var(--text-muted);
            white-space: nowrap;
        }
        .sidebar-cat a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            border-radius: var(--radius-sm);
            margin-bottom: 6px;
            background: var(--bg-light);
            color: var(--text-body);
            font-size: 14px;
            font-weight: 500;
            border: 1px solid transparent;
            transition: var(--transition);
        }
        .sidebar-cat a:hover {
            background: rgba(46, 139, 139, 0.1);
            color: var(--secondary);
            border-color: rgba(46, 139, 139, 0.2);
            transform: translateX(4px);
        }
        .sidebar-cat a i {
            color: var(--primary);
            width: 20px;
            text-align: center;
        }
        .sidebar-cta {
            background: linear-gradient(135deg, var(--primary-dark), var(--secondary));
            border-radius: var(--radius);
            padding: 24px 22px;
            color: #fff;
            text-align: center;
            box-shadow: var(--shadow-lg);
        }
        .sidebar-cta i.cta-icon {
            font-size: 34px;
            color: var(--accent);
            margin-bottom: 8px;
        }
        .sidebar-cta h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .sidebar-cta p {
            font-size: 13px;
            opacity: 0.85;
            margin-bottom: 16px;
            line-height: 1.6;
        }
        .sidebar-cta .btn-light-theme {
            background: #fff;
            color: var(--primary-dark) !important;
            font-weight: 700;
            border-radius: 22px;
            padding: 8px 24px;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            box-shadow: 0 3px 12px rgba(0, 0, 0, 0.1);
            transition: var(--transition);
        }
        .sidebar-cta .btn-light-theme:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(0, 0, 0, 0.15);
        }

        /* Related Section */
        .related-section {
            padding: 48px 0;
            background: var(--bg-white);
            border-top: 1px solid var(--border-light);
        }
        .related-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 28px;
            flex-wrap: wrap;
            gap: 12px;
        }
        .related-title {
            font-size: 24px;
            font-weight: 800;
            color: var(--text-dark);
            margin: 0;
        }
        .related-title span {
            color: var(--secondary);
        }
        .related-subtitle {
            font-size: 14px;
            color: var(--text-muted);
        }
        .related-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(46, 139, 139, 0.25);
        }
        .related-card .card-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            position: relative;
        }
        .related-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .related-card:hover .card-img img {
            transform: scale(1.05);
        }
        .related-card .card-img .img-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 76, 129, 0.35), transparent 60%);
            opacity: 0.5;
            transition: var(--transition);
        }
        .related-card:hover .card-img .img-overlay {
            opacity: 0.8;
        }
        .related-card .card-body {
            padding: 18px 20px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }
        .related-card .card-category {
            font-size: 12px;
            color: var(--secondary);
            font-weight: 600;
            text-transform: uppercase;
            margin-bottom: 6px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .related-card .card-category i {
            font-size: 10px;
        }
        .related-card .card-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.5;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            min-height: 45px;
        }
        .related-card .card-title a {
            color: inherit;
        }
        .related-card .card-title a:hover {
            color: var(--secondary);
        }
        .related-card .card-meta {
            font-size: 12px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: auto;
        }
        .related-card .card-meta i {
            font-size: 11px;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark), #0f2b4a 60%, var(--secondary));
            color: #fff;
            padding: 56px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 480px;
            height: 480px;
            background: radial-gradient(circle, rgba(78, 205, 196, 0.2), transparent 60%);
        }
        .cta-inner {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 24px;
        }
        .cta-inner .cta-text {
            flex: 1;
            min-width: 280px;
        }
        .cta-inner h2 {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 8px;
        }
        .cta-inner p {
            font-size: 15px;
            opacity: 0.86;
            margin: 0;
            max-width: 520px;
        }
        .cta-btn-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--accent);
            color: var(--primary-dark) !important;
            font-weight: 700;
            padding: 12px 30px;
            border-radius: 30px;
            border: none;
            font-size: 15px;
            box-shadow: 0 6px 24px rgba(78, 205, 196, 0.3);
            transition: var(--transition);
        }
        .btn-cta-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(78, 205, 196, 0.45);
            color: var(--primary-dark) !important;
        }
        .btn-cta-outline {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: transparent;
            color: #fff !important;
            font-weight: 500;
            padding: 11px 28px;
            border-radius: 30px;
            border: 1.5px solid rgba(255, 255, 255, 0.5);
            font-size: 15px;
            transition: var(--transition);
        }
        .btn-cta-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
        }

        /* Footer */
        footer {
            background: #0b1a2e;
            color: rgba(255, 255, 255, 0.72);
            padding: 56px 0 0;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 36px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-brand {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .footer-brand i {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            border-radius: 10px;
            font-size: 16px;
        }
        .footer-desc {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 300px;
        }
        .footer-title {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            position: relative;
            padding-bottom: 8px;
        }
        .footer-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 22px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
        }
        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.68);
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 3px;
        }
        .footer-links a i {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            padding: 20px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* Focus accessibility */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .btn:focus-visible,
        .nav-cta:focus-visible {
            outline-color: #fff;
        }

        /* Responsive */
        @media (max-width: 991px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            .article-card {
                padding: 26px 24px;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 68px;
                left: 0;
                right: 0;
                background: var(--bg-white);
                border-bottom: 1px solid var(--border-light);
                box-shadow: 0 12px 30px rgba(15, 76, 129, 0.1);
                flex-direction: column;
                align-items: stretch;
                padding: 16px 20px;
                gap: 8px;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links > a {
                display: flex;
                align-items: center;
                padding: 10px 16px;
                border-radius: var(--radius-sm);
                width: 100%;
            }
            .nav-links > a.active::after {
                display: none;
            }
            .nav-cta {
                justify-content: center;
                margin: 8px 0 0;
            }
            .nav-toggle {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }
            .page-banner-title {
                font-size: 24px;
            }
        }
        @media (max-width: 767px) {
            .top-bar-left span.ms-3 {
                display: none !important;
            }
            .page-banner {
                padding: 30px 0;
            }
            .page-banner-title {
                font-size: 22px;
            }
            .article-main {
                padding: 30px 0 10px;
            }
            .article-card {
                padding: 20px 16px;
                border-radius: 16px;
            }
            .article-body {
                font-size: 15px;
            }
            .article-body h2 {
                font-size: 20px;
            }
            .article-body h3 {
                font-size: 18px;
            }
            .sidebar-card {
                padding: 16px;
            }
            .cta-inner h2 {
                font-size: 22px;
            }
            .btn-cta-primary,
            .btn-cta-outline {
                padding: 10px 22px;
                font-size: 14px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .related-title {
                font-size: 20px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }
            .brand-logo {
                font-size: 17px;
            }
            .brand-logo i {
                width: 34px;
                height: 34px;
                font-size: 15px;
            }
            .top-bar {
                font-size: 12px;
                padding: 5px 0;
            }
            .article-meta-bar {
                gap: 10px;
            }
            .article-meta-item {
                font-size: 12px;
            }
            .related-card .card-title {
                font-size: 14px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                justify-content: center;
            }
            .cta-btn-group {
                width: 100%;
            }
            .btn-cta-primary,
            .btn-cta-outline {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: category2 */
:root {
  --primary: #0e7490;
  --primary-dark: #155e75;
  --primary-light: #e0f2fe;
  --accent: #06b6d4;
  --accent-light: #cffafe;
  --dark: #0f172a;
  --text: #1e293b;
  --muted: #64748b;
  --bg: #f8fafc;
  --card: #ffffff;
  --border: #e2e8f0;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 10px 36px rgba(15, 23, 42, 0.07);
  --shadow-hover: 0 16px 42px rgba(15, 23, 42, 0.12);
  --transition: all 0.3s ease;
  --font-main: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
}
*, ::before, ::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-main);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
body, h1, h2, h3, h4, h5, h6, p, ul, ol { margin: 0; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; display: block; }
.container { max-width: 1200px; }
section { position: relative; }

/* ===== 顶部信息条 ===== */
.top-bar {
  background: var(--dark);
  color: #cbd5e1;
  font-size: 13px;
  padding: 9px 0;
  line-height: 1.4;
}
.top-bar a {
  color: #e2e8f0;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-left: 20px;
  font-size: 13px;
}
.top-bar a:hover { color: var(--accent); }
.top-bar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.top-bar-left {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.top-bar-left i { color: var(--accent); }

/* ===== 主导航 ===== */
.main-nav {
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1030;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.04);
}
.main-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--dark);
  font-size: 20px;
  font-weight: 800;
  text-decoration: none;
  letter-spacing: 0.4px;
}
.brand-logo i {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  border-radius: 12px;
  font-size: 17px;
  box-shadow: 0 6px 16px rgba(14, 116, 144, 0.25);
}
.brand-logo:hover { color: var(--dark); }
.brand-logo span { font-size: 20px; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-links a {
  color: var(--text);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  padding: 10px 16px;
  border-radius: 10px;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.nav-links a:hover { color: var(--primary); background: var(--primary-light); }
.nav-links a.active {
  color: var(--primary);
  background: var(--primary-light);
  font-weight: 600;
}
.nav-links .nav-cta {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  padding: 10px 22px;
  border-radius: 12px;
  font-weight: 600;
  box-shadow: 0 6px 18px rgba(14, 116, 144, 0.28);
  border: none;
  margin-left: 8px;
}
.nav-links .nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(14, 116, 144, 0.35);
  color: #fff;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
}
.nav-toggle {
  display: none;
  background: transparent;
  border: 2px solid var(--border);
  border-radius: 10px;
  width: 42px;
  height: 42px;
  color: var(--text);
  font-size: 18px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}
.nav-toggle:hover { border-color: var(--primary); color: var(--primary); }

/* ===== 页面 Banner ===== */
.page-hero {
  padding: 110px 0 100px;
  background-size: cover;
  background-position: center;
  color: #fff;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(15, 23, 42, 0.94) 15%, rgba(14, 116, 144, 0.82) 100%);
}
.page-hero .container { position: relative; z-index: 2; }
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.22);
  padding: 8px 18px;
  border-radius: 30px;
  font-size: 13px;
  letter-spacing: 1px;
  font-weight: 600;
  color: #fff;
  backdrop-filter: blur(8px);
  margin-bottom: 24px;
}
.hero-tag i { color: var(--accent); }
.page-hero h1 {
  font-size: 50px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 18px;
  color: #fff;
  letter-spacing: 1px;
}
.page-hero p.lead {
  font-size: 18px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.88);
  max-width: 680px;
  margin-bottom: 32px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-primary-custom {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #fff, #e2e8f0);
  color: var(--dark) !important;
  font-weight: 600;
  padding: 13px 28px;
  border-radius: 12px;
  text-decoration: none;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.16);
  transition: var(--transition);
  border: none;
  font-size: 15px;
}
.btn-primary-custom:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2); color: var(--dark) !important; }
.btn-outline-custom {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.1);
  color: #fff !important;
  font-weight: 600;
  padding: 13px 28px;
  border-radius: 12px;
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(6px);
  transition: var(--transition);
  font-size: 15px;
}
.btn-outline-custom:hover { background: rgba(255, 255, 255, 0.2); border-color: rgba(255, 255, 255, 0.7); color: #fff !important; }

/* ===== 通用区块 ===== */
.section { padding: 90px 0; }
.section-alt { background: var(--card); }
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--primary);
  background: var(--primary-light);
  padding: 7px 18px;
  border-radius: 30px;
  margin-bottom: 14px;
}
.section-title {
  font-size: 32px;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 12px;
  line-height: 1.3;
}
.section-sub {
  font-size: 16px;
  color: var(--muted);
  max-width: 640px;
  line-height: 1.75;
  margin-bottom: 0;
}
.section-head { margin-bottom: 44px; }

/* ===== 数据统计条 ===== */
.stats-strip {
  padding: 40px 0;
  background: var(--card);
  border-bottom: 1px solid var(--border);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.stat-item {
  text-align: center;
  padding: 24px 16px;
  border-radius: var(--radius);
  background: var(--bg);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.stat-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: var(--accent); }
.stat-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-size: 20px;
  box-shadow: 0 8px 18px rgba(14, 116, 144, 0.22);
}
.stat-num {
  font-size: 34px;
  font-weight: 800;
  color: var(--dark);
  line-height: 1.2;
  letter-spacing: -0.5px;
}
.stat-label { font-size: 15px; color: var(--muted); margin-top: 4px; }

/* ===== 资讯卡片 ===== */
.news-card {
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}
.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(6, 182, 212, 0.35);
}
.news-card .card-img-wrap {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--primary-light);
}
.news-card .card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.news-card:hover .card-img-wrap img { transform: scale(1.05); }
.card-badge {
  position: absolute;
  left: 14px;
  top: 14px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 20px;
  backdrop-filter: blur(4px);
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.08);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.news-card .card-body { padding: 22px; flex: 1; display: flex; flex-direction: column; }
.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 8px;
}
.card-meta span { display: inline-flex; align-items: center; gap: 6px; }
.news-card h3 {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 8px;
}
.news-card h3 a { color: var(--dark); text-decoration: none; transition: var(--transition); }
.news-card h3 a:hover { color: var(--primary); }
.news-card .card-text {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.75;
  flex: 1;
}
.card-more {
  margin-top: 16px;
  font-size: 14px;
  color: var(--primary);
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}
.card-more:hover { gap: 10px; color: var(--primary-dark); }

/* ===== 热门专题 ===== */
.feature-box {
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: var(--transition);
  height: 100%;
}
.feature-box:hover { box-shadow: var(--shadow-hover); }
.feature-media {
  position: relative;
  min-height: 280px;
  height: 100%;
  overflow: hidden;
}
.feature-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
  transition: transform 0.6s ease;
}
.feature-box:hover .feature-media img { transform: scale(1.04); }
.feature-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(transparent 40%, rgba(15, 23, 42, 0.6));
}
.feature-tag {
  position: absolute;
  top: 20px;
  left: 20px;
  z-index: 3;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  padding: 7px 16px;
  border-radius: 24px;
  box-shadow: 0 6px 16px rgba(14, 116, 144, 0.3);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.feature-content { padding: 36px; }
.feature-content h3 {
  font-size: 26px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--dark);
  margin-bottom: 14px;
}
.feature-content h3 a { color: var(--dark); text-decoration: none; }
.feature-content h3 a:hover { color: var(--primary); }
.feature-content p {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 20px;
}
.feature-list { list-style: none; padding: 0; margin: 0; }
.feature-list li {
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
  transition: var(--transition);
}
.feature-list li:last-child { border-bottom: 0; }
.feature-list li:hover { padding-left: 6px; }
.feature-list li i { color: var(--accent); font-size: 14px; flex-shrink: 0; }
.feature-list a {
  color: var(--text);
  font-weight: 500;
  font-size: 15px;
  text-decoration: none;
  transition: var(--transition);
  line-height: 1.5;
}
.feature-list a:hover { color: var(--primary); }
.feature-list .feed-date {
  margin-left: auto;
  font-size: 13px;
  color: var(--muted);
  flex-shrink: 0;
  background: var(--bg);
  padding: 3px 10px;
  border-radius: 14px;
}

/* ===== 排行数据 ===== */
.ranking-wrap {
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 30px;
  box-shadow: var(--shadow);
}
.rank-header {
  display: grid;
  grid-template-columns: 70px 1fr 130px 150px;
  gap: 16px;
  padding: 0 18px 16px;
  border-bottom: 2px solid var(--dark);
  font-size: 14px;
  font-weight: 700;
  color: var(--dark);
  letter-spacing: 0.5px;
}
.rank-row {
  display: grid;
  grid-template-columns: 70px 1fr 130px 150px;
  gap: 16px;
  align-items: center;
  padding: 17px 18px;
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.rank-row:last-child { border-bottom: 0; }
.rank-row:hover { background: var(--bg); padding-left: 24px; }
.rank-num {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
}
.rank-num.top { background: linear-gradient(135deg, #f59e0b, #f97316); color: #fff; box-shadow: 0 6px 14px rgba(245, 158, 11, 0.3); }
.rank-title { font-weight: 600; color: var(--text); font-size: 15px; line-height: 1.5; }
.rank-title a { color: var(--text); text-decoration: none; }
.rank-title a:hover { color: var(--primary); }
.rank-heat { font-size: 14px; color: var(--muted); display: inline-flex; align-items: center; gap: 6px; }
.rank-heat i { color: #f59e0b; }
.rank-date { font-size: 14px; color: var(--muted); background: var(--bg); padding: 4px 12px; border-radius: 16px; text-align: center; justify-self: start; }

/* ===== FAQ ===== */
.faq-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover { border-color: var(--accent); }
.faq-toggle {
  width: 100%;
  background: none;
  border: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--dark);
  cursor: pointer;
  text-align: left;
  transition: var(--transition);
  font-family: var(--font-main);
}
.faq-toggle:hover { color: var(--primary); }
.faq-toggle i {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: transform 0.3s ease;
}
.faq-item .collapse.show + .faq-toggle i,
.faq-item .collapsing + .faq-toggle i { transform: rotate(180deg); }
.faq-toggle[aria-expanded="true"] i { transform: rotate(180deg); background: var(--primary); color: #fff; }
.faq-body { padding: 0 24px 22px; }
.faq-body p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
  border-left: 3px solid var(--accent);
  background: var(--bg);
  padding: 14px 18px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* ===== CTA ===== */
.cta-section {
  padding: 90px 0;
  background-size: cover;
  background-position: center;
  position: relative;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(15, 23, 42, 0.94), rgba(14, 116, 144, 0.88));
}
.cta-section .container { position: relative; z-index: 2; }
.cta-box {
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
  color: #fff;
}
.cta-box .section-label {
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(8px);
}
.cta-box h2 {
  font-size: 36px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
  line-height: 1.3;
}
.cta-box p {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.88);
  line-height: 1.8;
  margin-bottom: 30px;
}
.cta-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* ===== 页脚 ===== */
footer {
  background: var(--dark);
  color: #94a3b8;
  padding: 70px 0 0;
  font-size: 14px;
  position: relative;
}
footer .container { position: relative; z-index: 1; }
footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent), transparent);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 50px;
}
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 14px;
}
.footer-brand i {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}
.footer-desc {
  color: #94a3b8;
  line-height: 1.85;
  max-width: 320px;
  font-size: 14px;
  margin-top: 14px;
}
.footer-title {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}
.footer-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 12px; }
.footer-links a {
  color: #94a3b8;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  transition: var(--transition);
}
.footer-links a:hover { color: var(--accent); transform: translateX(4px); }
.footer-links a i { color: var(--accent); width: 18px; text-align: center; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: #64748b;
  flex-wrap: wrap;
  gap: 10px;
}
.footer-bottom a { color: #94a3b8; text-decoration: none; }
.footer-bottom a:hover { color: var(--accent); }

/* ===== 响应式 ===== */
@media (max-width: 991px) {
  .nav-toggle { display: inline-flex; }
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    padding: 16px 20px 20px;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 16px 32px rgba(15, 23, 42, 0.1);
    display: none;
    z-index: 1040;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 13px 16px; font-size: 15px; }
  .nav-links .nav-cta { margin-left: 0; justify-content: center; }
  .page-hero h1 { font-size: 38px; }
  .section-title { font-size: 28px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .rank-header, .rank-row { grid-template-columns: 60px 1fr 110px; }
  .rank-date { display: none; }
  .feature-content { padding: 28px; }
  .feature-content h3 { font-size: 22px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}
@media (max-width: 767px) {
  .top-bar .container { flex-direction: column; gap: 6px; }
  .top-bar a { margin-left: 12px; }
  .page-hero { padding: 80px 0 70px; }
  .page-hero h1 { font-size: 30px; }
  .page-hero p.lead { font-size: 16px; }
  .section { padding: 64px 0; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .stat-num { font-size: 26px; }
  .feature-media { min-height: 220px; }
  .rank-header { display: none; }
  .rank-row { grid-template-columns: 50px 1fr; gap: 14px; padding: 16px 14px; }
  .rank-heat { display: none; }
  .faq-toggle { padding: 17px 18px; font-size: 15px; }
  .faq-body { padding: 0 18px 18px; }
  .cta-box h2 { font-size: 28px; }
  .cta-actions .btn-primary-custom, .cta-actions .btn-outline-custom { width: 100%; justify-content: center; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 520px) {
  .brand-logo span { font-size: 17px; }
  .brand-logo i { width: 34px; height: 34px; font-size: 15px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-item { padding: 16px 10px; }
  .stat-num { font-size: 22px; }
  .section-title { font-size: 24px; }
  .card-meta { flex-direction: column; align-items: flex-start; gap: 4px; }
}

/* roulang page: category3 */
:root {
            --primary: #2563eb;
            --primary-dark: #1e4fdb;
            --primary-light: #e8f0ff;
            --accent: #0ea5e9;
            --teal: #0d9488;
            --success: #10b981;
            --warning: #f59e0b;
            --danger: #ef4444;
            --bg: #f6f9fc;
            --bg-deep: #0b1a33;
            --surface: #ffffff;
            --text: #0f1d36;
            --text-weak: #5b6b85;
            --border: #e5ecf5;
            --radius: 14px;
            --radius-lg: 22px;
            --shadow: 0 8px 30px rgba(15, 29, 54, .07);
            --shadow-lg: 0 20px 50px rgba(15, 29, 54, .12);
            --transition: .25s ease;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "Inter", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color .2s;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
        }

        /* 顶部信息条 */
        .top-info-bar {
            background: var(--bg-deep);
            color: rgba(255, 255, 255, .78);
            font-size: 13px;
            padding: 8px 0;
            border-bottom: 1px solid rgba(255, 255, 255, .06);
        }
        .top-info-bar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 4px 16px;
        }
        .top-info-bar i {
            color: var(--accent);
            margin-right: 5px;
        }
        .top-info-bar a {
            color: rgba(255, 255, 255, .85);
            margin-left: 16px;
        }
        .top-info-bar a:hover {
            color: #fff;
        }

        /* 主导航 */
        .main-nav {
            background: #fff;
            box-shadow: 0 4px 24px rgba(15, 29, 54, .06);
            position: sticky;
            top: 0;
            z-index: 999;
        }
        .main-nav .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 76px;
            position: relative;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--text);
            letter-spacing: .2px;
        }
        .brand-logo i {
            color: var(--primary);
            font-size: 27px;
            background: var(--primary-light);
            border-radius: 10px;
            width: 42px;
            height: 42px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav-links>a {
            padding: 9px 15px;
            border-radius: 9px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
        }
        .nav-links>a:hover {
            background: var(--bg);
            color: var(--primary);
        }
        .nav-links>a.active {
            background: rgba(37, 99, 235, .1);
            color: var(--primary);
            font-weight: 600;
        }
        .nav-links .nav-cta {
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            padding: 10px 22px;
            font-weight: 600;
            margin-left: 10px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .nav-links .nav-cta:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(37, 99, 235, .3);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text);
            cursor: pointer;
            padding: 6px 10px;
            border-radius: 8px;
            transition: background .2s;
        }
        .nav-toggle:hover {
            background: var(--bg);
        }

        /* Hero */
        .page-hero {
            background: linear-gradient(100deg, rgba(11, 26, 51, .94) 0%, rgba(16, 42, 82, .88) 55%, rgba(37, 99, 235, .72) 100%), url('/assets/images/backpic/back-2.png') center / cover no-repeat;
            color: #fff;
            padding: 90px 0 110px;
            position: relative;
            overflow: hidden;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            right: -120px;
            top: -80px;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle, rgba(14, 165, 233, .25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .breadcrumb-line {
            font-size: 13px;
            letter-spacing: .3px;
            margin-bottom: 16px;
            opacity: .85;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            align-items: center;
        }
        .breadcrumb-line a:hover {
            color: var(--accent);
        }
        .breadcrumb-line .sep {
            opacity: .5;
            margin: 0 2px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .22);
            border-radius: 30px;
            padding: 7px 18px;
            font-size: 13px;
            font-weight: 500;
            letter-spacing: .4px;
            backdrop-filter: blur(4px);
            margin-bottom: 20px;
        }
        .hero-badge i {
            color: #7dd3fc;
        }
        .page-hero h1 {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 20px;
            letter-spacing: .3px;
            max-width: 680px;
        }
        .page-hero h1 span {
            color: #7dd3fc;
        }
        .page-hero .hero-desc {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .85);
            max-width: 580px;
            margin-bottom: 34px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 60px;
        }
        .hero-actions .btn {
            border-radius: 12px;
            padding: 14px 30px;
            font-weight: 600;
            font-size: 15px;
            transition: var(--transition);
        }
        .btn-primary-custom {
            background: var(--primary);
            color: #fff;
            border: none;
            box-shadow: 0 8px 24px rgba(37, 99, 235, .35);
        }
        .btn-primary-custom:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(37, 99, 235, .4);
            color: #fff;
        }
        .btn-outline-light-custom {
            background: rgba(255, 255, 255, .08);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, .35);
            backdrop-filter: blur(4px);
        }
        .btn-outline-light-custom:hover {
            background: rgba(255, 255, 255, .18);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }
        .hero-quick-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 34px;
            border-top: 1px solid rgba(255, 255, 255, .18);
            padding-top: 28px;
            max-width: 640px;
        }
        .hero-quick-stats .stat-item {
            position: relative;
            padding-left: 14px;
        }
        .hero-quick-stats .stat-item::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            bottom: 8px;
            width: 3px;
            border-radius: 2px;
            background: linear-gradient(180deg, var(--accent), var(--primary));
        }
        .hero-quick-stats .stat-value {
            font-size: 26px;
            font-weight: 800;
            letter-spacing: .3px;
            line-height: 1.2;
        }
        .hero-quick-stats .stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, .75);
            margin-top: 3px;
        }

        /* Section 通用 */
        .section-block {
            padding: 96px 0;
        }
        .section-block.alt-bg {
            background: #fff;
        }
        .section-head {
            max-width: 720px;
            margin-bottom: 54px;
        }
        .section-head.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }
        .section-eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 1.2px;
            text-transform: uppercase;
            color: var(--primary);
            background: var(--primary-light);
            border-radius: 30px;
            padding: 6px 16px;
            margin-bottom: 14px;
        }
        .section-head h2 {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 14px;
            letter-spacing: .2px;
        }
        .section-head p {
            font-size: 16px;
            color: var(--text-weak);
            line-height: 1.8;
        }

        /* KPI 板块 */
        .kpi-section {
            position: relative;
        }
        .kpi-wrap {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .kpi-card {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 34px 28px;
            box-shadow: var(--shadow);
            position: relative;
            overflow: hidden;
            transition: transform .3s, box-shadow .3s;
        }
        .kpi-card::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 80px;
            height: 80px;
            border-radius: 0 0 0 80px;
            background: rgba(37, 99, 235, .04);
        }
        .kpi-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .kpi-icon {
            width: 50px;
            height: 50px;
            border-radius: 13px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 21px;
            background: var(--primary-light);
            color: var(--primary);
            margin-bottom: 20px;
        }
        .kpi-card:nth-child(2) .kpi-icon {
            background: rgba(14, 165, 233, .12);
            color: var(--accent);
        }
        .kpi-card:nth-child(3) .kpi-icon {
            background: rgba(13, 148, 136, .12);
            color: var(--teal);
        }
        .kpi-card:nth-child(4) .kpi-icon {
            background: rgba(16, 185, 129, .12);
            color: var(--success);
        }
        .kpi-value {
            font-size: 38px;
            font-weight: 800;
            line-height: 1.1;
            color: var(--text);
            letter-spacing: -.5px;
        }
        .kpi-value small {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-weak);
            margin-left: 4px;
        }
        .kpi-label {
            font-size: 14px;
            color: var(--text-weak);
            margin-top: 10px;
            line-height: 1.5;
        }

        /* 防护能力卡片 */
        .features-section {
            background: #fff;
        }
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .feature-card {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 38px 32px;
            transition: transform .3s, box-shadow .3s, border-color .3s;
            position: relative;
        }
        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(37, 99, 235, .25);
            background: #fff;
        }
        .feature-icon {
            width: 58px;
            height: 58px;
            border-radius: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            margin-bottom: 22px;
            box-shadow: 0 8px 22px rgba(37, 99, 235, .25);
        }
        .feature-card:nth-child(2) .feature-icon {
            background: linear-gradient(135deg, var(--accent), var(--teal));
            box-shadow: 0 8px 22px rgba(14, 165, 233, .25);
        }
        .feature-card:nth-child(3) .feature-icon {
            background: linear-gradient(135deg, var(--teal), var(--success));
            box-shadow: 0 8px 22px rgba(13, 148, 136, .25);
        }
        .feature-card:nth-child(4) .feature-icon {
            background: linear-gradient(135deg, #7c3aed, var(--primary));
            box-shadow: 0 8px 22px rgba(124, 58, 237, .25);
        }
        .feature-card:nth-child(5) .feature-icon {
            background: linear-gradient(135deg, var(--warning), #f97316);
            box-shadow: 0 8px 22px rgba(245, 158, 11, .25);
        }
        .feature-card:nth-child(6) .feature-icon {
            background: linear-gradient(135deg, var(--success), var(--teal));
            box-shadow: 0 8px 22px rgba(16, 185, 129, .25);
        }
        .feature-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .feature-card p {
            font-size: 14.5px;
            color: var(--text-weak);
            line-height: 1.75;
            margin-bottom: 16px;
        }
        .feature-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            border-radius: 20px;
            padding: 4px 14px;
            letter-spacing: .2px;
        }

        /* 风险识别 */
        .risk-section {
            background: #fff;
        }
        .risk-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .risk-media {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .risk-media img {
            width: 100%;
            height: 420px;
            object-fit: cover;
        }
        .risk-media .media-float {
            position: absolute;
            left: 20px;
            bottom: 20px;
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(8px);
            border-radius: 12px;
            padding: 14px 20px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, .15);
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .risk-media .media-float i {
            font-size: 22px;
            color: var(--danger);
        }
        .risk-media .media-float .txt {
            font-size: 14px;
            font-weight: 600;
            line-height: 1.3;
        }
        .risk-media .media-float .txt small {
            display: block;
            font-weight: 400;
            font-size: 12px;
            color: var(--text-weak);
        }
        .risk-list {
            list-style: none;
        }
        .risk-list li {
            display: flex;
            gap: 18px;
            padding: 22px 0;
            border-bottom: 1px solid var(--border);
            transition: background .2s;
        }
        .risk-list li:last-child {
            border-bottom: none;
        }
        .risk-list .risk-num {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 15px;
            background: var(--primary-light);
            color: var(--primary);
        }
        .risk-list li:nth-child(2) .risk-num {
            background: rgba(14, 165, 233, .12);
            color: var(--accent);
        }
        .risk-list li:nth-child(3) .risk-num {
            background: rgba(245, 158, 11, .12);
            color: var(--warning);
        }
        .risk-list li:nth-child(4) .risk-num {
            background: rgba(239, 68, 68, .1);
            color: var(--danger);
        }
        .risk-list h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 5px;
        }
        .risk-list p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.7;
        }

        /* 流程 */
        .process-section {
            background: var(--bg-deep);
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .process-section::before {
            content: '';
            position: absolute;
            left: -80px;
            bottom: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(37, 99, 235, .18);
            filter: blur(50px);
        }
        .process-section .section-head h2 {
            color: #fff;
        }
        .process-section .section-head p {
            color: rgba(255, 255, 255, .7);
        }
        .process-section .section-eyebrow {
            background: rgba(37, 99, 235, .25);
            color: #93c5fd;
        }
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            counter-reset: step;
        }
        .process-card {
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: var(--radius-lg);
            padding: 38px 30px;
            backdrop-filter: blur(6px);
            position: relative;
            transition: transform .3s, border-color .3s, background .3s;
        }
        .process-card:hover {
            background: rgba(255, 255, 255, .1);
            border-color: rgba(147, 197, 253, .4);
            transform: translateY(-5px);
        }
        .process-card .step-num {
            font-size: 44px;
            font-weight: 800;
            color: rgba(255, 255, 255, .2);
            line-height: 1;
            margin-bottom: 20px;
            letter-spacing: -1px;
        }
        .process-card .step-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(37, 99, 235, .35);
            color: #bfdbfe;
            font-size: 22px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
        }
        .process-card h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .process-card p {
            font-size: 14px;
            color: rgba(255, 255, 255, .7);
            line-height: 1.75;
        }
        .process-card .step-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: #93c5fd;
            margin-top: 14px;
            transition: gap .2s;
        }
        .process-card .step-link:hover {
            gap: 10px;
            color: #fff;
        }

        /* FAQ */
        .faq-section {
            background: var(--bg);
        }
        .faq-layout {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 16px;
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(15, 29, 54, .03);
            transition: box-shadow .3s, border-color .3s;
        }
        .faq-item:hover {
            border-color: rgba(37, 99, 235, .2);
            box-shadow: var(--shadow);
        }
        .faq-item summary {
            list-style: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            padding: 22px 26px;
            font-size: 16.5px;
            font-weight: 600;
            line-height: 1.5;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary .faq-icon {
            flex-shrink: 0;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: transform .3s, background .3s, color .3s;
        }
        .faq-item[open] summary .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }
        .faq-item .faq-body {
            padding: 0 26px 24px;
            font-size: 15px;
            color: var(--text-weak);
            line-height: 1.85;
        }
        .faq-item .faq-body p {
            margin-bottom: 8px;
        }
        .faq-item .faq-body a {
            color: var(--primary);
            font-weight: 600;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(120deg, #0b1a33 0%, #102a52 50%, #1e4fdb 120%);
            padding: 90px 0;
            position: relative;
            overflow: hidden;
            text-align: center;
            color: #fff;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -100px;
            left: 50%;
            transform: translateX(-50%);
            width: 700px;
            height: 300px;
            background: radial-gradient(ellipse, rgba(37, 99, 235, .25), transparent 70%);
            pointer-events: none;
        }
        .cta-section i.cta-bg-icon {
            position: absolute;
            font-size: 160px;
            opacity: .05;
        }
        .cta-section .cta-icon-big {
            width: 72px;
            height: 72px;
            border-radius: 22px;
            background: rgba(37, 99, 235, .35);
            border: 1px solid rgba(147, 197, 253, .3);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 32px;
            color: #bfdbfe;
            margin-bottom: 24px;
            backdrop-filter: blur(4px);
        }
        .cta-section h2 {
            font-size: 36px;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: .3px;
        }
        .cta-section .cta-desc {
            font-size: 17px;
            color: rgba(255, 255, 255, .8);
            max-width: 560px;
            margin: 0 auto 36px;
            line-height: 1.8;
        }
        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .cta-actions .btn {
            border-radius: 12px;
            padding: 14px 32px;
            font-weight: 600;
            font-size: 15px;
            transition: var(--transition);
        }
        .btn-light-custom {
            background: #fff;
            color: var(--text);
            border: none;
            box-shadow: 0 8px 30px rgba(0, 0, 0, .15);
        }
        .btn-light-custom:hover {
            background: #f0f4ff;
            transform: translateY(-2px);
            color: var(--primary);
            box-shadow: 0 14px 34px rgba(0, 0, 0, .2);
        }
        .btn-outline-white-custom {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, .5);
        }
        .btn-outline-white-custom:hover {
            background: rgba(255, 255, 255, .1);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }

        /* 页脚 */
        footer {
            background: var(--bg-deep);
            color: rgba(255, 255, 255, .8);
            padding: 70px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 46px;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 21px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 18px;
        }
        .footer-brand i {
            color: #7dd3fc;
            font-size: 24px;
        }
        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .6);
            max-width: 280px;
        }
        .footer-title {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: .3px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 3px;
            border-radius: 2px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, .65);
            transition: color .2s, padding-left .2s;
        }
        .footer-links a:hover {
            color: #7dd3fc;
            padding-left: 4px;
        }
        .footer-links a i {
            width: 18px;
            color: #7dd3fc;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding: 26px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, .5);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, .6);
        }
        .footer-bottom a:hover {
            color: #7dd3fc;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .page-hero h1 {
                font-size: 36px;
            }
            .section-head h2 {
                font-size: 30px;
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .kpi-wrap {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .risk-layout {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .top-info-bar .top-info-right {
                display: none;
            }
            .top-info-bar .container {
                justify-content: center;
            }
            .main-nav .container {
                height: 64px;
            }
            .nav-toggle {
                display: block;
            }
            .nav-links {
                position: fixed;
                top: 0;
                right: -100%;
                width: 300px;
                height: 100%;
                background: #fff;
                flex-direction: column;
                align-items: flex-start;
                justify-content: center;
                padding: 80px 32px 32px;
                box-shadow: -20px 0 60px rgba(0, 0, 0, .15);
                transition: right .35s ease;
                z-index: 1001;
                gap: 8px;
            }
            .nav-links.open {
                right: 0;
            }
            .nav-links>a {
                width: 100%;
                font-size: 17px;
                padding: 12px 16px;
            }
            .nav-links .nav-cta {
                margin: 12px 0 0;
                width: 100%;
                justify-content: center;
            }
            .nav-overlay {
                position: fixed;
                inset: 0;
                background: rgba(11, 26, 51, .5);
                opacity: 0;
                visibility: hidden;
                transition: opacity .3s, visibility .3s;
                z-index: 1000;
                backdrop-filter: blur(2px);
            }
            .nav-overlay.show {
                opacity: 1;
                visibility: visible;
            }
            .page-hero {
                padding: 70px 0 80px;
            }
            .page-hero h1 {
                font-size: 30px;
            }
            .page-hero .hero-desc {
                font-size: 15px;
            }
            .hero-actions {
                margin-bottom: 44px;
            }
            .hero-quick-stats {
                gap: 20px;
            }
            .hero-quick-stats .stat-value {
                font-size: 22px;
            }
            .section-block {
                padding: 70px 0;
            }
            .section-head {
                margin-bottom: 40px;
            }
            .features-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .kpi-wrap {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .kpi-card {
                padding: 24px 20px;
            }
            .kpi-value {
                font-size: 30px;
            }
            .process-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .cta-section {
                padding: 70px 0;
            }
            .cta-section h2 {
                font-size: 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 36px;
                padding-bottom: 36px;
            }
            .footer-bottom {
                justify-content: center;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .kpi-wrap {
                grid-template-columns: 1fr;
            }
            .hero-actions .btn {
                width: 100%;
                text-align: center;
            }
            .hero-quick-stats {
                flex-direction: column;
                gap: 16px;
            }
            .hero-quick-stats .stat-item {
                padding-left: 12px;
            }
            .cta-actions .btn {
                width: 100%;
                text-align: center;
            }
            .section-head h2 {
                font-size: 26px;
            }
            .page-hero h1 {
                font-size: 27px;
            }
        }