/* roulang page: index */
:root{
            --bg:#f4f7fc;--white:#fff;--text:#1e2a3a;--text-light:#5a6b7f;--border:#e2e8f0;
            --primary:#14508c;--primary-dark:#0e3d6b;--primary-light:#e8f0fa;
            --accent:#e8a800;--accent-light:#fff4d6;
            --radius:16px;--radius-lg:28px;--radius-md:12px;--radius-sm:8px;
            --shadow-sm:0 2px 10px rgba(0,0,0,.05);--shadow-md:0 10px 30px rgba(0,0,0,.08);
            --shadow-lg:0 20px 50px rgba(0,0,0,.12);--trans:.3s ease;
        }
        *,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
        body{font-family:'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.7;font-size:16px}
        img{max-width:100%;height:auto;display:block}
        a{text-decoration:none;color:inherit;transition:color var(--trans)}
        ul,ol{list-style:none}
        button,input,select,textarea{font-family:inherit;font-size:inherit}
        .container{max-width:1200px;margin:0 auto;padding:0 24px}
        ::selection{background:var(--primary);color:#fff}

        .site-header{background:var(--white);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:1000;box-shadow:var(--shadow-sm)}
        .header-inner{display:flex;align-items:center;justify-content:space-between;height:74px;gap:24px}
        .header-logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
        .logo-mark{width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,var(--primary),#2a7bc8);display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;box-shadow:0 4px 14px rgba(20,80,140,.3)}
        .logo-text{font-size:20px;font-weight:800;color:var(--primary);letter-spacing:.5px}
        .header-nav{display:flex;align-items:center;gap:8px}
        .header-nav-left{justify-content:flex-end}
        .header-nav-right{justify-content:flex-start}
        .header-nav .nav-link{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:var(--radius-md);font-weight:600;font-size:15px;color:var(--text);transition:background var(--trans),color var(--trans)}
        .header-nav .nav-link i{font-size:16px;color:var(--primary)}
        .header-nav .nav-link:hover{background:var(--primary-light);color:var(--primary)}
        .header-nav .nav-link.active{background:var(--primary);color:#fff;box-shadow:0 4px 14px rgba(20,80,140,.25)}
        .header-nav .nav-link.active i{color:#fff}
        .mobile-menu-btn{display:none;width:44px;height:44px;border-radius:var(--radius-md);background:var(--primary-light);border:none;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px}
        .mobile-menu-btn span{width:18px;height:2px;background:var(--primary);border-radius:2px;transition:var(--trans)}
        .mobile-menu{display:none;flex-direction:column;padding:12px 24px 20px;background:var(--white);border-top:1px solid var(--border)}
        .mobile-menu.open{display:flex}
        .mobile-menu .mobile-link{padding:14px 16px;border-radius:var(--radius-md);font-weight:600;color:var(--text);display:flex;align-items:center;gap:10px}
        .mobile-menu .mobile-link.active{background:var(--primary);color:#fff}
        .mobile-menu .mobile-link i{font-size:18px}

        .hero{position:relative;padding:120px 0 140px;overflow:hidden;text-align:center;border-radius:0 0 60px 60px}
        .hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;z-index:0}
        .hero-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(10,30,60,.88),rgba(15,60,120,.72));z-index:1}
        .hero-content{position:relative;z-index:2;max-width:840px;margin:0 auto}
        .hero-badge{display:inline-flex;align-items:center;gap:8px;background:var(--accent-light);color:var(--accent);font-weight:700;font-size:14px;padding:8px 18px;border-radius:50px;margin-bottom:24px;letter-spacing:.5px}
        .hero-badge i{font-size:15px}
        .hero-title{font-size:56px;font-weight:900;color:#fff;margin-bottom:20px;letter-spacing:2px;text-shadow:0 4px 20px rgba(0,0,0,.2)}
        .hero-subtitle{font-size:18px;color:rgba(255,255,255,.88);max-width:640px;margin:0 auto 36px;line-height:1.8}
        .hero-buttons{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;margin-bottom:48px}
        .hero-metrics{display:flex;justify-content:center;gap:32px;flex-wrap:wrap}
        .metric{text-align:center;padding:18px 30px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.15);border-radius:var(--radius-lg);backdrop-filter:blur(6px);min-width:140px}
        .metric span{display:block;font-size:32px;font-weight:900;color:#fff}
        .metric small{color:rgba(255,255,255,.75);font-size:13px;font-weight:500}

        .btn{display:inline-flex;align-items:center;gap:8px;font-weight:600;border-radius:50px;padding:12px 28px;border:2px solid transparent;transition:all var(--trans);cursor:pointer}
        .btn-lg{padding:16px 36px;font-size:16px}
        .btn-primary{background:var(--accent);color:var(--text);border-color:var(--accent)}
        .btn-primary:hover{background:#d49900;border-color:#d49900;transform:translateY(-2px);box-shadow:0 8px 24px rgba(232,168,0,.3)}
        .btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
        .btn-outline-light:hover{background:#fff;color:var(--primary);border-color:#fff;transform:translateY(-2px)}
        .btn-outline-primary{background:transparent;color:var(--primary);border-color:var(--primary)}
        .btn-outline-primary:hover{background:var(--primary);color:#fff;transform:translateY(-2px);box-shadow:0 8px 20px rgba(20,80,140,.2)}

        .section{padding:90px 0}
        .section-sm{padding:60px 0}
        .section-title{text-align:center;font-size:38px;font-weight:800;color:var(--text);margin-bottom:12px;letter-spacing:1px}
        .section-subtitle{text-align:center;font-size:17px;color:var(--text-light);max-width:640px;margin:0 auto 50px;line-height:1.7}
        .section-tag{display:inline-flex;align-items:center;gap:8px;background:var(--primary-light);color:var(--primary);font-size:13px;font-weight:700;padding:6px 16px;border-radius:50px;margin-bottom:12px;letter-spacing:.5px}

        .about-card{background:var(--white);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);border:none;transition:transform var(--trans),box-shadow var(--trans)}
        .about-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
        .about-card .card-img-wrapper{height:260px;overflow:hidden}
        .about-card .card-img-wrapper img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
        .about-card:hover .card-img-wrapper img{transform:scale(1.05)}
        .about-card .card-body{padding:36px}
        .about-card .card-title{font-size:22px;font-weight:700;margin-bottom:14px;color:var(--text)}
        .about-card .feature-list{margin-top:20px;display:grid;gap:10px}
        .about-card .feature-list li{display:flex;align-items:center;gap:10px;color:var(--text-light);font-size:15px}
        .about-card .feature-list i{color:var(--accent);font-size:17px;flex-shrink:0}

        .category-card{background:var(--white);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);height:100%;transition:transform var(--trans),box-shadow var(--trans);border:1px solid var(--border)}
        .category-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-md)}
        .category-icon{width:64px;height:64px;border-radius:18px;display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:20px}
        .cat-1{background:var(--primary-light);color:var(--primary)}
        .cat-2{background:var(--accent-light);color:var(--accent)}
        .category-card .card-body{padding:30px}
        .category-card .category-title{font-size:20px;font-weight:700;margin-bottom:10px}
        .category-card .category-text{font-size:15px;color:var(--text-light);line-height:1.7;margin-bottom:20px}
        .category-link{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--primary);font-size:15px}
        .category-link i{transition:transform var(--trans)}
        .category-card:hover .category-link i{transform:translateX(4px)}

        .news-card{background:var(--white);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);height:100%;border:1px solid var(--border);transition:transform var(--trans),box-shadow var(--trans)}
        .news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
        .news-card .card-img-wrapper{height:200px;overflow:hidden}
        .news-card .card-img-wrapper img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
        .news-card:hover .card-img-wrapper img{transform:scale(1.05)}
        .news-card .card-body{padding:26px;display:flex;flex-direction:column;flex-grow:1}
        .news-card .card-meta{display:flex;align-items:center;gap:12px;margin-bottom:12px;flex-wrap:wrap}
        .badge-soft{background:var(--primary-light);color:var(--primary);font-weight:600;font-size:13px;padding:5px 14px;border-radius:50px}
        .badge-accent{background:var(--accent-light);color:var(--accent);font-weight:600;font-size:13px;padding:5px 14px;border-radius:50px}
        .news-card .card-date{font-size:13px;color:var(--text-light);display:inline-flex;align-items:center;gap:5px}
        .news-card .card-title{font-size:18px;font-weight:700;line-height:1.4;margin-bottom:10px}
        .news-card .card-title a{color:var(--text)}
        .news-card .card-title a:hover{color:var(--primary)}
        .news-card .card-text{font-size:14px;color:var(--text-light);line-height:1.7;flex-grow:1;margin-bottom:16px}
        .read-more{font-size:14px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px}
        .read-more i{transition:transform var(--trans)}
        .news-card:hover .read-more i{transform:translateX(4px)}

        .process-section{background:linear-gradient(180deg,var(--white),var(--bg));border-radius:60px;padding:90px 0}
        .process-step{position:relative;text-align:center;padding:30px 20px}
        .step-circle{width:80px;height:80px;border-radius:50%;background:var(--primary);color:#fff;font-size:28px;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;box-shadow:0 10px 30px rgba(20,80,140,.25)}
        .step-circle.step-2{background:var(--accent);color:var(--text);box-shadow:0 10px 30px rgba(232,168,0,.25)}
        .step-circle.step-3{background:#16a34a;box-shadow:0 10px 30px rgba(22,163,74,.25)}
        .process-step h3{font-size:20px;font-weight:700;margin-bottom:10px}
        .process-step p{font-size:14px;color:var(--text-light);line-height:1.6}
        .step-arrow{position:absolute;top:50%;right:-20px;font-size:28px;color:var(--primary);transform:translateY(-50%);z-index:2}

        .stats-section{background:linear-gradient(135deg,var(--primary),var(--primary-dark));border-radius:0;padding:70px 0;color:#fff}
        .stat-item{text-align:center;padding:30px 20px;border-radius:var(--radius-lg);background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.1);transition:transform var(--trans)}
        .stat-item:hover{transform:translateY(-4px)}
        .stat-icon{font-size:34px;margin-bottom:14px;color:var(--accent)}
        .stat-number{font-size:40px;font-weight:900;margin-bottom:6px}
        .stat-label{font-size:15px;color:rgba(255,255,255,.8)}

        .faq-section{background:var(--white);border-radius:60px 60px 0 0}
        .faq-item{background:var(--bg);border-radius:var(--radius-md);padding:0;margin-bottom:16px;border:1px solid var(--border);overflow:hidden}
        .faq-item summary{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;cursor:pointer;font-weight:600;font-size:16px;color:var(--text);list-style:none;transition:background var(--trans)}
        .faq-item summary::-webkit-details-marker{display:none}
        .faq-item summary:hover{background:var(--primary-light)}
        .faq-item summary i{color:var(--primary);font-size:18px;transition:transform var(--trans)}
        .faq-item[open] summary i{transform:rotate(180deg)}
        .faq-item .faq-content{padding:0 24px 22px;color:var(--text-light);line-height:1.8;font-size:15px}

        .cta-section{position:relative;border-radius:60px;margin:90px 0;overflow:hidden}
        .cta-bg{position:absolute;inset:0;background-size:cover;background-position:center}
        .cta-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(14,45,85,.92),rgba(20,80,140,.78))}
        .cta-content{position:relative;z-index:2;padding:80px 40px;text-align:center;color:#fff}
        .cta-content h2{font-size:36px;font-weight:800;margin-bottom:14px}
        .cta-content p{font-size:17px;max-width:600px;margin:0 auto 30px;color:rgba(255,255,255,.85)}
        .cta-buttons{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}

        .site-footer{background:#0f1e2e;color:rgba(255,255,255,.75);padding:60px 0 0}
        .footer-top{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1)}
        .footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.6)}
        .footer-title{font-size:18px;font-weight:700;color:#fff;margin-bottom:18px}
        .footer-links li{margin-bottom:10px}
        .footer-links a{font-size:14px;color:rgba(255,255,255,.65)}
        .footer-links a:hover{color:var(--accent)}
        .footer-bottom{display:flex;justify-content:space-between;align-items:center;padding:20px 0;font-size:13px;color:rgba(255,255,255,.5);flex-wrap:wrap;gap:12px}
        .footer-bottom a{color:rgba(255,255,255,.6);margin-left:12px}

        .breadcrumb-section{background:var(--primary);padding:16px 0;position:relative;overflow:hidden}
        .breadcrumb-section::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:url('/assets/images/backpic/back-2.png') no-repeat center/cover;opacity:.15}
        .breadcrumb{z-index:1;position:relative}
        .breadcrumb-item{font-size:14px;color:rgba(255,255,255,.75)}
        .breadcrumb-item a{color:rgba(255,255,255,.75)}
        .breadcrumb-item a:hover{color:#fff}
        .breadcrumb-item.active{color:#fff;font-weight:600}
        .breadcrumb-item+.breadcrumb-item::before{color:rgba(255,255,255,.5)}
        .empty-notice{text-align:center;padding:50px 20px;background:var(--white);border-radius:var(--radius-lg);color:var(--text-light);font-size:16px;border:1px dashed var(--border)}

        @media(max-width:991px){
            .desktop-nav{display:none!important}
            .mobile-menu-btn{display:flex}
            .mobile-menu{display:none}
            .mobile-menu.open{display:flex}
            .hero-title{font-size:38px}
            .hero{padding:80px 0 100px}
            .section-title{font-size:30px}
            .footer-top{grid-template-columns:1fr 1fr}
        }
        @media(max-width:767px){
            .hero-title{font-size:30px}
            .hero-subtitle{font-size:16px}
            .section{padding:60px 0}
            .section-title{font-size:26px}
            .section-subtitle{font-size:15px}
            .hero-metrics{gap:16px}
            .metric{min-width:110px;padding:14px 18px}
            .metric span{font-size:24px}
            .footer-top{grid-template-columns:1fr}
            .step-arrow{display:none}
            .cta-content{padding:50px 24px}
            .cta-content h2{font-size:28px}
        }
        @media(max-width:520px){
            .logo-text{font-size:17px}
            .logo-mark{width:36px;height:36px;font-size:15px}
            .hero-title{font-size:25px}
            .hero-buttons{flex-direction:column;align-items:center}
            .btn-lg{width:100%;justify-content:center}
            .header-inner{height:64px}
        }

/* roulang page: category1 */
:root {
            --primary: #1a4b8c;
            --primary-dark: #123562;
            --primary-light: #e8f0fe;
            --accent: #2d8cf0;
            --accent-light: #eaf3ff;
            --bg-body: #f5f8fc;
            --bg-white: #ffffff;
            --bg-light: #f0f4fa;
            --bg-dark: #12263a;
            --text-main: #1e2a38;
            --text-muted: #6b7a8d;
            --text-light: #94a6ba;
            --border-color: #e3eaf2;
            --radius-lg: 18px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 12px rgba(26, 75, 140, 0.06);
            --shadow-md: 0 6px 24px rgba(26, 75, 140, 0.10);
            --shadow-lg: 0 12px 40px rgba(26, 75, 140, 0.14);
            --transition: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background-color: var(--bg-body);
            color: var(--text-main);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

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

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

        .container-lg {
            max-width: 1260px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section-padding {
            padding: 80px 0;
        }

        .section-title-wrap {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 50px;
        }

        .section-title-wrap .badge {
            display: inline-block;
            background: var(--accent-light);
            color: var(--accent);
            font-size: 14px;
            font-weight: 600;
            padding: 6px 18px;
            border-radius: 30px;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .section-title-wrap h2 {
            font-size: 34px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 14px;
            letter-spacing: -0.5px;
        }

        .section-title-wrap p {
            color: var(--text-muted);
            font-size: 16px;
        }

        .site-header {
            background: rgba(255, 255, 255, 0.96);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 999;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .site-header .container {
            max-width: 1260px;
            padding: 0 24px;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 78px;
            gap: 20px;
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .header-logo:hover {
            transform: translateY(-1px);
        }

        .logo-mark {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            box-shadow: 0 4px 14px rgba(26, 75, 140, 0.25);
        }

        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 0.5px;
        }

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

        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 9px 20px;
            border-radius: 30px;
            font-size: 14.5px;
            font-weight: 500;
            color: var(--text-muted);
            transition: var(--transition);
        }

        .nav-link i {
            font-size: 13px;
            color: var(--text-light);
            transition: var(--transition);
        }

        .nav-link:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .nav-link:hover i {
            color: var(--accent);
        }

        .nav-link.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(26, 75, 140, 0.3);
        }

        .nav-link.active i {
            color: rgba(255, 255, 255, 0.85);
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            z-index: 1001;
        }

        .mobile-menu-btn span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-main);
            border-radius: 2px;
            margin: 5px 0;
            transition: var(--transition);
        }

        .mobile-menu {
            display: none;
            background: #fff;
            border-top: 1px solid var(--border-color);
            padding: 16px 24px 20px;
            box-shadow: var(--shadow-md);
        }

        .mobile-menu.show {
            display: block;
        }

        .mobile-link {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 14px 16px;
            border-radius: var(--radius-md);
            font-size: 15.5px;
            font-weight: 500;
            color: var(--text-main);
            margin-bottom: 4px;
        }

        .mobile-link i {
            width: 20px;
            text-align: center;
            color: var(--accent);
        }

        .mobile-link:hover {
            background: var(--bg-light);
        }

        .mobile-link.active {
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 600;
        }

        .page-hero {
            position: relative;
            background: linear-gradient(135deg, #0e2440 0%, #1a4b8c 55%, #2d8cf0 100%);
            padding: 90px 0 100px;
            overflow: hidden;
            color: #fff;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: 30%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
        }

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

        .hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 22px;
        }

        .hero-breadcrumb a {
            color: rgba(255, 255, 255, 0.7);
        }

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

        .hero-breadcrumb i {
            font-size: 12px;
        }

        .page-hero h1 {
            font-size: 44px;
            font-weight: 700;
            margin-bottom: 18px;
            line-height: 1.3;
            letter-spacing: -0.5px;
        }

        .page-hero .hero-desc {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            max-width: 660px;
            margin-bottom: 32px;
        }

        .hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .hero-badges span {
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(4px);
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .hero-badges i {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.8);
        }

        .guide-steps {
            padding: 90px 0 80px;
            background: var(--bg-body);
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-top: 10px;
        }

        .step-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 36px 28px 30px;
            position: relative;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

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

        .step-num {
            font-size: 40px;
            font-weight: 800;
            color: var(--primary-light);
            line-height: 1;
            margin-bottom: 18px;
        }

        .step-icon {
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            margin-bottom: 20px;
            box-shadow: 0 6px 16px rgba(26, 75, 140, 0.24);
        }

        .step-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--text-main);
        }

        .step-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
        }

        .step-arrow {
            position: absolute;
            top: 50%;
            right: -22px;
            transform: translateY(-50%);
            width: 30px;
            height: 30px;
            background: var(--accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 12px;
            z-index: 2;
            box-shadow: 0 4px 10px rgba(45, 140, 240, 0.35);
        }

        .guide-content {
            padding: 80px 0;
            background: var(--bg-white);
        }

        .content-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .content-row.reverse {
            grid-template-columns: 1fr 1fr;
        }

        .content-row.reverse .content-media {
            order: 2;
        }

        .content-row.reverse .content-text {
            order: 1;
        }

        .content-text .tag {
            display: inline-block;
            background: var(--accent-light);
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            padding: 5px 16px;
            border-radius: 20px;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .content-text h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.4;
            margin-bottom: 16px;
        }

        .content-text .desc {
            color: var(--text-muted);
            font-size: 15.5px;
            line-height: 1.85;
            margin-bottom: 24px;
        }

        .content-list {
            list-style: none;
            margin-bottom: 30px;
        }

        .content-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 10px 0;
            color: var(--text-main);
            font-size: 15px;
        }

        .content-list li i {
            color: var(--accent);
            margin-top: 4px;
            font-size: 14px;
            flex-shrink: 0;
        }

        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 14px 32px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 6px 20px rgba(26, 75, 140, 0.25);
        }

        .btn-primary-custom:hover {
            background: var(--primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 10px 28px rgba(26, 75, 140, 0.32);
            color: #fff;
        }

        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
            padding: 13px 32px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }

        .btn-outline-custom:hover {
            background: var(--primary-light);
            border-color: var(--primary-dark);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        .content-media {
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
            box-shadow: var(--shadow-lg);
        }

        .content-media img {
            width: 100%;
            height: 400px;
            object-fit: cover;
            display: block;
            transition: transform 0.4s ease;
        }

        .content-media:hover img {
            transform: scale(1.03);
        }

        .media-badge {
            position: absolute;
            bottom: 20px;
            left: 20px;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(8px);
            padding: 12px 22px;
            border-radius: 12px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
        }

        .tips-panel {
            padding: 90px 0;
            background: linear-gradient(135deg, #eef3fa 0%, #f5f8fc 50%, #e9f2fd 100%);
        }

        .tips-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .tip-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 34px 30px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .tip-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: var(--transition);
        }

        .tip-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
        }

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

        .tip-icon {
            width: 44px;
            height: 44px;
            background: var(--accent-light);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 17px;
            margin-bottom: 18px;
        }

        .tip-card h3 {
            font-size: 17.5px;
            font-weight: 600;
            margin-bottom: 12px;
            color: var(--text-main);
        }

        .tip-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        .faq-section {
            padding: 90px 0;
            background: var(--bg-white);
        }

        .faq-layout {
            display: grid;
            grid-template-columns: 320px 1fr;
            gap: 50px;
            max-width: 1100px;
            margin: 0 auto;
        }

        .faq-intro {
            padding: 30px;
            background: var(--bg-light);
            border-radius: var(--radius-lg);
            align-self: flex-start;
        }

        .faq-intro h2 {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--text-main);
        }

        .faq-intro p {
            font-size: 14.5px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 18px;
        }

        .faq-contact-btn {
            width: 100%;
            justify-content: center;
            padding: 12px 20px;
            font-size: 14.5px;
        }

        .accordion.custom-accordion {
            --bs-accordion-border-width: 0;
            --bs-accordion-border-radius: 16px;
            --bs-accordion-inner-border-radius: 16px;
            --bs-accordion-btn-padding-y: 20px;
            --bs-accordion-btn-padding-x: 24px;
            --bs-accordion-body-padding-y: 0 24px 20px;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .accordion-item {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            overflow: hidden;
            transition: var(--transition);
        }

        .accordion-item:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-sm);
        }

        .accordion-button {
            background: transparent;
            font-weight: 600;
            color: var(--text-main);
            font-size: 15.5px;
            box-shadow: none;
        }

        .accordion-button:not(.collapsed) {
            background: var(--primary-light);
            color: var(--primary);
            box-shadow: none;
        }

        .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(45, 140, 240, 0.15);
            border-color: transparent;
        }

        .accordion-button::after {
            background-size: 16px;
            transition: var(--transition);
        }

        .accordion-body {
            padding: 0 24px 20px;
            color: var(--text-muted);
            font-size: 14.5px;
            line-height: 1.85;
            background: var(--bg-white);
        }

        .resources-section {
            padding: 90px 0;
            background: var(--bg-body);
        }

        .resources-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .resource-card {
            display: flex;
            gap: 20px;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 26px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            align-items: flex-start;
        }

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

        .resource-icon {
            width: 48px;
            height: 48px;
            background: var(--accent-light);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 18px;
            flex-shrink: 0;
        }

        .resource-info h3 {
            font-size: 16.5px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 6px;
        }

        .resource-info p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
            margin-bottom: 0;
        }

        .cta-banner {
            background: linear-gradient(135deg, #0e2440 0%, #1a4b8c 60%, #2d8cf0 100%);
            border-radius: var(--radius-lg);
            padding: 55px 60px;
            text-align: center;
            max-width: 1100px;
            margin: 0 auto;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -50px;
            left: -50px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.07);
        }

        .cta-banner::after {
            content: '';
            position: absolute;
            bottom: -30px;
            right: 30px;
            width: 100px;
            height: 100px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
        }

        .cta-banner h2 {
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            position: relative;
            z-index: 2;
        }

        .cta-banner p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
            position: relative;
            z-index: 2;
        }

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

        .btn-light-custom {
            background: #fff;
            color: var(--primary);
            border: none;
            padding: 13px 34px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 600;
            transition: var(--transition);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
        }

        .btn-light-custom:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
            color: var(--primary-dark);
        }

        .btn-ghost-custom {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.4);
            padding: 13px 34px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 600;
            transition: var(--transition);
        }

        .btn-ghost-custom:hover {
            background: rgba(255, 255, 255, 0.22);
            color: #fff;
            transform: translateY(-2px);
        }

        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 0;
            font-size: 14px;
            line-height: 1.8;
        }

        .site-footer .container {
            max-width: 1260px;
            padding: 0 24px;
        }

        .footer-top {
            display: flex;
            justify-content: space-between;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            flex-wrap: wrap;
        }

        .footer-brand {
            max-width: 360px;
        }

        .footer-brand .header-logo {
            margin-bottom: 16px;
        }

        .footer-brand p {
            font-size: 13.5px;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-title {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .footer-links {
            list-style: none;
        }

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

        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 13.5px;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: #fff;
            padding-left: 5px;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        @media (max-width: 1024px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }

            .step-arrow {
                display: none;
            }

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

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

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

            .faq-contact-btn {
                max-width: 280px;
                margin: 0 auto;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                height: 64px;
            }

            .desktop-nav {
                display: none;
            }

            .mobile-menu-btn {
                display: block;
            }

            .logo-text {
                font-size: 17px;
            }

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

            .page-hero h1 {
                font-size: 32px;
            }

            .page-hero .hero-desc {
                font-size: 15.5px;
            }

            .section-title-wrap h2 {
                font-size: 25px;
            }

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

            .content-row,
            .content-row.reverse {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .content-row.reverse .content-media {
                order: 0;
            }

            .content-row.reverse .content-text {
                order: 0;
            }

            .content-media img {
                height: 260px;
            }

            .tips-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .resources-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .cta-banner {
                padding: 40px 24px;
            }

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

            .footer-top {
                flex-direction: column;
                gap: 30px;
            }

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

        @media (max-width: 520px) {
            .container-lg {
                padding-left: 16px;
                padding-right: 16px;
            }

            .steps-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .page-hero h1 {
                font-size: 27px;
            }

            .hero-badges span {
                padding: 6px 12px;
                font-size: 12.5px;
            }

            .cta-actions {
                flex-direction: column;
                align-items: center;
            }

            .btn-light-custom,
            .btn-ghost-custom {
                width: 100%;
                max-width: 280px;
                justify-content: center;
                text-align: center;
            }

            .resource-card {
                padding: 20px;
            }
        }

/* roulang page: article */
:root {
    --primary: #0d6b55;
    --primary-600: #0a5242;
    --primary-700: #074235;
    --primary-light: #e5f3ef;
    --primary-lighter: #f0f8f6;
    --accent: #eaa64c;
    --accent-light: #fcf0dc;
    --bg: #f6faf8;
    --bg-soft: #edf5f2;
    --surface: #ffffff;
    --text: #153129;
    --text-body: #42564f;
    --muted: #6d847c;
    --border: #d9e6e1;
    --radius-lg: 24px;
    --radius-md: 16px;
    --radius-sm: 10px;
    --radius-pill: 999px;
    --shadow-sm: 0 3px 12px rgba(13, 107, 85, .06);
    --shadow: 0 10px 30px rgba(13, 107, 85, .08);
    --shadow-lg: 0 18px 44px rgba(13, 107, 85, .15);
    --ease: all .28s ease;
}

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

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-body);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: inherit;
    font-weight: 700;
    color: var(--text);
    line-height: 1.35;
}

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

a:hover { color: var(--primary-600); }

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

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

::selection { background: var(--primary); color: #fff; }

:focus-visible { outline: 3px solid rgba(13, 107, 85, .4); outline-offset: 2px; }

.container { max-width: 1180px; }

/* ===== header / nav ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, .92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
}

.site-header .container { position: relative; }

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 76px;
}

.header-nav { display: flex; align-items: center; gap: 6px; flex: 1; }
.header-nav-left { justify-content: flex-start; }
.header-nav-right { justify-content: flex-end; }

.nav-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 18px;
    border-radius: var(--radius-pill);
    font-size: .95rem;
    font-weight: 600;
    color: var(--text);
    text-decoration: none;
    transition: var(--ease);
}

.nav-link i { font-size: .85rem; color: var(--muted); transition: var(--ease); }
.nav-link:hover { background: var(--primary-light); color: var(--primary); }
.nav-link:hover i { color: var(--primary); }
.nav-link.active { background: var(--primary); color: #fff; box-shadow: 0 6px 16px rgba(13, 107, 85, .28); }
.nav-link.active i { color: #fff; }

.header-logo {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    display: inline-flex;
    align-items: center;
    gap: 11px;
    font-size: 1.16rem;
    font-weight: 800;
    color: var(--text);
    text-decoration: none;
    letter-spacing: .01em;
    white-space: nowrap;
}

.header-logo:hover { color: var(--text); }

.logo-mark {
    width: 38px;
    height: 38px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary), var(--primary-600));
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    box-shadow: 0 6px 16px rgba(13, 107, 85, .28);
}

.logo-text { line-height: 1.2; }

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 12px;
    cursor: pointer;
    padding: 0;
    transition: var(--ease);
}

.mobile-menu-btn:hover { background: var(--primary-light); border-color: #b7dbd1; }
.mobile-menu-btn span {
    display: block;
    width: 20px;
    height: 2px;
    border-radius: 3px;
    background: var(--text);
    margin: 2.5px 0;
    transition: var(--ease);
}

.mobile-menu-btn.active span { background: var(--primary); }
.mobile-menu-btn.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mobile-menu-btn.active span:nth-child(2) { opacity: 0; }
.mobile-menu-btn.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu { display: none; }

/* ===== page hero ===== */
.page-hero {
    position: relative;
    padding: 66px 0 52px;
    background: linear-gradient(135deg, var(--primary-700), var(--primary));
    color: #fff;
    overflow: hidden;
}

.page-hero .backdrop {
    position: absolute;
    inset: 0;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    opacity: .2;
}

.page-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(115deg, rgba(7, 66, 53, .9) 20%, rgba(13, 107, 85, .66) 70%, rgba(10, 82, 66, .55));
}

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

.breadcrumb-nav {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    font-size: .85rem;
    margin-bottom: 18px;
}

.breadcrumb-nav a { color: rgba(255, 255, 255, .78); text-decoration: none; }
.breadcrumb-nav a:hover { color: #fff; }
.breadcrumb-nav .sep { color: rgba(255, 255, 255, .45); }
.breadcrumb-nav .current { color: #fff; font-weight: 600; }

.badge-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, .14);
    border: 1px solid rgba(255, 255, 255, .28);
    padding: 6px 16px;
    border-radius: var(--radius-pill);
    font-size: .8rem;
    font-weight: 600;
    letter-spacing: .02em;
    backdrop-filter: blur(6px);
}

.page-hero-title {
    font-size: clamp(1.6rem, 3.2vw, 2.4rem);
    font-weight: 700;
    line-height: 1.4;
    color: #fff;
    max-width: 920px;
    margin: 16px 0 12px;
}

.page-hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    color: rgba(255, 255, 255, .82);
    font-size: .9rem;
}

.page-hero-meta span { display: inline-flex; align-items: center; gap: 7px; }
.page-hero-meta i { opacity: .8; }

/* ===== article body ===== */
.article-main { padding: 60px 0 20px; }

.article-wrap {
    max-width: 860px;
    margin: 0 auto;
    overflow-wrap: break-word;
    word-wrap: break-word;
}

.article-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: clamp(24px, 4vw, 52px);
    box-shadow: var(--shadow);
}

.article-content {
    color: var(--text-body);
    font-size: 1.03rem;
    line-height: 1.9;
}

.article-content > *:first-child { margin-top: 0; }
.article-content > *:last-child { margin-bottom: 0; }
.article-content p { margin-bottom: 1.25em; }
.article-content h2, .article-content h3 { color: var(--text); margin: 1.7em 0 .65em; }
.article-content h2 { font-size: 1.5rem; }
.article-content h3 { font-size: 1.22rem; }
.article-content ul, .article-content ol { margin-bottom: 1.25em; padding-left: 1.3em; }
.article-content li { margin-bottom: .4em; }
.article-content a { color: var(--primary); font-weight: 600; }
.article-content a:hover { text-decoration: underline; }
.article-content img { border-radius: var(--radius-md); box-shadow: var(--shadow-sm); margin: .8em 0; }
.article-content blockquote {
    background: var(--primary-light);
    border-left: 4px solid var(--primary);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    padding: 16px 20px;
    margin: 1.5em 0;
    color: var(--text);
}
.article-content blockquote p { margin: 0; }
.article-content table { width: 100%; border-collapse: collapse; margin: 1.4em 0; }
.article-content th, .article-content td { border: 1px solid var(--border); padding: 10px 14px; }
.article-content th { background: var(--primary-light); color: var(--text); font-weight: 700; }

.note-strip {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    background: linear-gradient(135deg, var(--primary-light), #f4fbf8);
    border: 1px solid #c9e5dc;
    border-radius: var(--radius-md);
    padding: 22px 24px;
    margin-top: 22px;
}

.note-strip > i {
    font-size: 1.55rem;
    color: var(--primary);
    margin-top: 3px;
    flex-shrink: 0;
}

.note-strip h3 { font-size: 1.05rem; font-weight: 700; color: var(--text); margin-bottom: 6px; }
.note-strip p { margin: 0; font-size: .94rem; color: var(--text-body); line-height: 1.75; }

.article-empty {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 84px 36px;
    text-align: center;
    box-shadow: var(--shadow);
}

.empty-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 22px;
    border-radius: 50%;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.article-empty h2 { font-size: 1.8rem; margin-bottom: 10px; }
.article-empty p { color: var(--muted); margin-bottom: 28px; }

/* ===== sections ===== */
.section { padding: 72px 0; }

.section-soft {
    background: var(--bg-soft);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.section-head { max-width: 720px; margin: 0 auto 42px; text-align: center; }

.section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: .82rem;
    font-weight: 700;
    letter-spacing: .12em;
    color: var(--primary);
    background: var(--primary-light);
    border: 1px solid #cdeadf;
    border-radius: var(--radius-pill);
    padding: 5px 16px;
    margin-bottom: 14px;
    text-transform: uppercase;
}

.section-title { font-size: clamp(1.5rem, 2.6vw, 2rem); margin-bottom: 12px; }
.section-desc { color: var(--muted); font-size: 1rem; margin: 0; }

/* ===== buttons ===== */
.btn {
    border-radius: var(--radius-pill);
    font-weight: 600;
    padding: .68rem 1.5rem;
    transition: var(--ease);
}

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

.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active {
    background: var(--primary-600);
    border-color: var(--primary-600);
    box-shadow: 0 10px 22px rgba(13, 107, 85, .24);
    transform: translateY(-2px);
}

.btn-lg { padding: .85rem 1.9rem; font-size: 1.02rem; }

/* ===== steps ===== */
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

.step-card {
    position: relative;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 28px 24px 26px;
    box-shadow: var(--shadow-sm);
    transition: var(--ease);
}

.step-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
    border-color: #b6d9cf;
}

.step-num {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-600));
    color: #fff;
    font-weight: 700;
    font-size: 1.05rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    box-shadow: 0 8px 16px rgba(13, 107, 85, .2);
}

.step-card h3 { font-size: 1.08rem; margin-bottom: 8px; }
.step-card p { font-size: .9rem; color: var(--muted); margin: 0; line-height: 1.7; }

/* ===== read cards ===== */
.read-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

.read-card {
    display: block;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    color: inherit;
    transition: var(--ease);
}

.read-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: #b6d9cf;
    color: inherit;
}

.read-card img { width: 100%; height: 158px; object-fit: cover; display: block; }
.read-card-body { padding: 20px 22px 24px; }

.read-cat {
    display: inline-block;
    font-size: .75rem;
    font-weight: 700;
    color: var(--primary);
    background: var(--primary-light);
    border-radius: var(--radius-pill);
    padding: 3px 12px;
    margin-bottom: 10px;
}

.read-card h3 { font-size: 1.05rem; margin-bottom: 8px; line-height: 1.5; }
.read-card p { font-size: .89rem; color: var(--muted); margin: 0; line-height: 1.7; }

/* ===== faq ===== */
.faq-accordion { max-width: 840px; margin: 0 auto; }

.accordion-item {
    border: 1px solid var(--border);
    border-radius: var(--radius-md) !important;
    margin-bottom: 14px;
    background: var(--surface);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.accordion-item:last-child { margin-bottom: 0; }

.accordion-button {
    background: var(--surface);
    color: var(--text);
    font-weight: 600;
    font-size: 1rem;
    padding: 18px 22px;
    gap: 12px;
}

.accordion-button:not(.collapsed) {
    background: var(--primary-light);
    color: var(--primary);
    box-shadow: none;
}

.accordion-button:focus {
    box-shadow: 0 0 0 3px rgba(13, 107, 85, .18);
    border-radius: var(--radius-md);
}

.accordion-button::after {
    background: none;
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    content: "\f107";
    color: var(--primary);
    width: auto;
    height: auto;
    transition: transform .28s ease;
}

.accordion-button:not(.collapsed)::after { transform: rotate(180deg); }
.accordion-body { color: var(--text-body); font-size: .95rem; line-height: 1.85; padding: 6px 22px 22px; }

/* ===== cta ===== */
.cta-band {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 26px;
    background: linear-gradient(120deg, var(--primary-700), var(--primary));
    border-radius: var(--radius-lg);
    padding: 46px 52px;
    color: #fff;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.cta-band::before {
    content: "";
    position: absolute;
    right: -48px;
    top: -48px;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .08);
}

.cta-band h2 { color: #fff; font-size: clamp(1.3rem, 2.4vw, 1.8rem); margin-bottom: 8px; }
.cta-band p { color: rgba(255, 255, 255, .85); margin: 0; max-width: 600px; }

.cta-btn {
    position: relative;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: #fff;
    color: var(--primary);
    font-weight: 700;
    border-radius: var(--radius-pill);
    padding: 13px 30px;
    text-decoration: none;
    box-shadow: 0 10px 24px rgba(0, 0, 0, .14);
    transition: var(--ease);
}

.cta-btn:hover { transform: translateY(-3px); box-shadow: 0 14px 30px rgba(0, 0, 0, .22); color: var(--primary); }
.cta-btn i { transition: transform .28s ease; }
.cta-btn:hover i { transform: translateX(4px); }

/* ===== footer ===== */
.site-footer {
    background: #0a312a;
    color: rgba(255, 255, 255, .7);
    padding: 58px 0 30px;
    margin-top: 72px;
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, .1);
    margin-bottom: 26px;
}

.site-footer .header-logo { position: static; transform: none; }
.site-footer .header-logo .logo-text { color: #fff; }
.footer-brand p { margin: 18px 0 0; font-size: .92rem; line-height: 1.8; color: rgba(255, 255, 255, .58); max-width: 360px; }
.footer-title { color: #fff; font-size: 1rem; font-weight: 700; margin: 6px 0 18px; }
.footer-links { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.footer-links a { color: rgba(255, 255, 255, .66); font-size: .9rem; text-decoration: none; transition: var(--ease); }
.footer-links a:hover { color: #fff; padding-left: 5px; }

.footer-bottom {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    font-size: .82rem;
    color: rgba(255, 255, 255, .48);
}

/* ===== responsive ===== */
@media (max-width: 991.98px) {
    .desktop-nav { display: none; }
    .mobile-menu-btn { display: flex; }
    .mobile-menu {
        display: block;
        max-height: 0;
        overflow: hidden;
        transition: max-height .35s ease;
        background: #fff;
    }
    .mobile-menu.open { max-height: 220px; border-top: 1px solid var(--border); }
    .mobile-link {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 14px 24px;
        font-weight: 600;
        color: var(--text);
        font-size: .98rem;
        border-bottom: 1px solid #f0f4f3;
    }
    .mobile-link i { width: 22px; color: var(--muted); }
    .mobile-link:hover { background: var(--primary-light); color: var(--primary); }
    .mobile-link:last-child { border-bottom: 0; }
    .header-inner { height: 66px; }
    .header-logo { position: static; transform: none; font-size: 1.05rem; }
    .header-logo .logo-mark { width: 34px; height: 34px; border-radius: 10px; font-size: 14px; }
    .section { padding: 56px 0; }
    .article-main { padding: 44px 0 16px; }
    .steps-grid { grid-template-columns: repeat(2, 1fr); }
    .read-cards { grid-template-columns: 1fr 1fr; }
    .footer-top { grid-template-columns: 1fr 1fr; gap: 36px; }
    .cta-band { padding: 38px 32px; }
}

@media (max-width: 767.98px) {
    .page-hero { padding: 42px 0 34px; }
    .page-hero-title { font-size: 1.55rem; }
    .section { padding: 46px 0; }
    .section-head { margin-bottom: 32px; }
    .steps-grid { grid-template-columns: 1fr; }
    .read-cards { grid-template-columns: 1fr; }
    .footer-top { grid-template-columns: 1fr; gap: 32px; }
    .cta-band { flex-direction: column; text-align: center; align-items: center; padding: 32px 26px; }
    .article-card { padding: 24px 20px; }
    .article-wrap { margin: 0; }
    .note-strip { flex-direction: column; padding: 20px; }
    .footer-bottom { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 519.98px) {
    .header-logo { font-size: .98rem; gap: 8px; }
    .page-hero-meta { gap: 12px; flex-direction: column; align-items: flex-start; }
    .breadcrumb-nav { font-size: .8rem; }
    .badge-chip { font-size: .75rem; padding: 5px 13px; }
    .article-content { font-size: 1rem; }
    .read-card img { height: 140px; }
    .section-eyebrow { font-size: .75rem; }
    .cta-band h2 { font-size: 1.3rem; }
}