/* roulang page: index */
:root{
  --primary:#0d2a5c;--primary-dark:#081d40;--primary-light:#16418a;
  --accent:#00c389;--accent-dark:#00a06e;--accent-blue:#2e9fff;--warm:#ffb95c;
  --bg-body:#f2f6fb;--bg-soft:#e8eef7;--surface:#ffffff;
  --text-main:#17233b;--text-weak:#5b6b85;--text-faint:#8b98ae;
  --border:#dce5f0;--border-strong:#c2d1e4;
  --radius-lg:20px;--radius-md:14px;--radius-sm:8px;
  --shadow-sm:0 2px 10px rgba(13,42,92,.06);
  --shadow-md:0 8px 24px rgba(13,42,92,.09);
  --shadow-lg:0 18px 48px rgba(13,42,92,.16);
  --sidebar-w:264px;
  --transition:all .3s cubic-bezier(.4,0,.2,1);
  --font-main:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-main);background:var(--bg-body);color:var(--text-main);line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary-light);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--accent)}
ul,ol{list-style:none;padding:0;margin:0}
button,input{font-family:inherit}
.app-shell{display:flex;min-height:100vh}
.app-sidebar{position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);background:linear-gradient(180deg,var(--primary-dark) 0%,var(--primary) 65%,#0e3b7a 100%);color:#fff;z-index:1050;display:flex;flex-direction:column;padding:24px 18px;transition:transform .4s cubic-bezier(.4,0,.2,1);box-shadow:4px 0 24px rgba(8,29,64,.2);overflow-y:auto}
.app-main{flex:1;margin-left:var(--sidebar-w);min-width:0;display:flex;flex-direction:column}
.sidebar-brand{display:flex;align-items:center;gap:12px;padding:8px 8px 22px;border-bottom:1px solid rgba(255,255,255,.14);margin-bottom:20px}
.brand-logo{width:46px;height:46px;border-radius:14px;background:linear-gradient(135deg,#00e2a8,var(--accent-blue));display:flex;align-items:center;justify-content:center;font-size:22px;box-shadow:0 8px 20px rgba(0,195,137,.35);flex-shrink:0}
.brand-text{display:flex;flex-direction:column;line-height:1.3}
.brand-text strong{font-size:19px;letter-spacing:.5px}
.brand-text span{font-size:12px;color:rgba(255,255,255,.6);letter-spacing:2px}
.sidebar-nav{flex:1;display:flex;flex-direction:column;gap:6px}
.sidebar-nav .nav-label{font-size:11px;color:rgba(255,255,255,.4);letter-spacing:3px;text-transform:uppercase;padding:10px 12px 6px}
.sidebar-nav a.nav-link-item{display:flex;align-items:center;gap:12px;padding:13px 16px;border-radius:12px;color:rgba(255,255,255,.72);font-weight:500;font-size:15px;transition:var(--transition);border:1px solid transparent}
.sidebar-nav a.nav-link-item i{width:22px;text-align:center;font-size:16px}
.sidebar-nav a.nav-link-item:hover{background:rgba(255,255,255,.08);color:#fff;transform:translateX(4px)}
.sidebar-nav a.nav-link-item.active{background:linear-gradient(135deg,var(--accent),var(--accent-dark));color:#fff;box-shadow:0 6px 18px rgba(0,195,137,.35);border-color:rgba(255,255,255,.1)}
.sidebar-foot{margin-top:auto;padding-top:20px}
.sidebar-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:16px;display:flex;align-items:center;gap:12px}
.sidebar-card .icon-circle{width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.12);display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0}
.sidebar-card p{font-size:13px;color:rgba(255,255,255,.75);line-height:1.5;margin:0}
.mobile-topbar{display:none;position:sticky;top:0;z-index:1040;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);padding:10px 16px;align-items:center;gap:12px}
.mobile-menu-btn{width:42px;height:42px;border-radius:12px;border:1px solid var(--border);background:var(--surface);color:var(--text-main);font-size:18px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:var(--transition)}
.mobile-menu-btn:hover{border-color:var(--accent);color:var(--accent-dark)}
.mobile-brand{display:flex;align-items:center;gap:8px;font-weight:700;font-size:17px;color:var(--text-main)}
.mobile-brand .brand-logo-sm{width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,#00e2a8,var(--accent-blue));display:flex;align-items:center;justify-content:center;font-size:14px;color:#fff}
.sidebar-mask{display:none;position:fixed;inset:0;background:rgba(8,29,64,.5);z-index:1045;opacity:0;transition:opacity .3s;pointer-events:none}
.sidebar-mask.show{display:block;opacity:1;pointer-events:auto}
.page-content{padding:32px 40px 48px;max-width:1280px;width:100%;margin:0 auto}
.hero-section{position:relative;border-radius:24px;overflow:hidden;padding:72px 60px;margin:32px 40px 8px;background:linear-gradient(135deg,rgba(8,29,64,.85) 0%,rgba(13,42,92,.68) 55%,rgba(0,195,137,.35) 100%),url('/assets/images/backpic/back-1.png') center/cover no-repeat;color:#fff;min-height:420px;display:flex;align-items:center}
.hero-content{max-width:660px;position:relative;z-index:2}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);border-radius:999px;padding:6px 16px;font-size:13px;letter-spacing:1px;margin-bottom:20px;backdrop-filter:blur(6px)}
.hero-title{font-size:44px;font-weight:800;line-height:1.3;margin-bottom:18px;letter-spacing:1px}
.hero-title .highlight{color:#4df3c5}
.hero-desc{font-size:17px;color:rgba(255,255,255,.85);margin-bottom:32px;line-height:1.8}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;border-radius:999px;font-weight:600;font-size:15px;border:none;cursor:pointer;transition:var(--transition);text-decoration:none}
.btn-primary-custom{background:linear-gradient(135deg,var(--accent),var(--accent-dark));color:#fff;box-shadow:0 8px 24px rgba(0,195,137,.35)}
.btn-primary-custom:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(0,195,137,.45);color:#fff}
.btn-outline-light{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.4);color:#fff;backdrop-filter:blur(6px)}
.btn-outline-light:hover{background:rgba(255,255,255,.2);color:#fff;transform:translateY(-3px)}
.btn-outline-dark{background:transparent;border:1px solid var(--border-strong);color:var(--text-main)}
.btn-outline-dark:hover{border-color:var(--accent);color:var(--accent-dark);transform:translateY(-2px)}
.section-block{margin-bottom:56px}
.section-head{text-align:center;max-width:680px;margin:0 auto 40px}
.section-label{display:inline-block;font-size:13px;font-weight:600;color:var(--accent-dark);background:rgba(0,195,137,.1);border-radius:999px;padding:5px 14px;letter-spacing:2px;margin-bottom:14px}
.section-title{font-size:30px;font-weight:800;color:var(--text-main);margin-bottom:12px;letter-spacing:.5px}
.section-sub{color:var(--text-weak);font-size:16px}
.feature-card{background:var(--surface);border-radius:var(--radius-lg);padding:32px 28px;border:1px solid var(--border);box-shadow:var(--shadow-sm);transition:var(--transition);height:100%;position:relative;overflow:hidden}
.feature-card::after{content:'';position:absolute;top:0;left:0;width:100%;height:3px;background:linear-gradient(90deg,var(--accent),var(--accent-blue));transform:scaleX(0);transform-origin:left;transition:transform .5s ease}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:var(--border-strong)}
.feature-card:hover::after{transform:scaleX(1)}
.feature-icon{width:56px;height:56px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:20px;background:rgba(0,195,137,.1);color:var(--accent-dark)}
.feature-icon.blue{background:rgba(46,159,255,.1);color:#1a86d8}
.feature-icon.orange{background:rgba(255,185,92,.15);color:#d98c1a}
.feature-icon.purple{background:rgba(124,92,255,.1);color:#6a4de0}
.feature-card h3{font-size:19px;font-weight:700;margin-bottom:10px}
.feature-card p{color:var(--text-weak);font-size:15px;line-height:1.8;margin-bottom:0}
.category-card{border-radius:var(--radius-lg);overflow:hidden;background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow-sm);transition:var(--transition);height:100%;display:block;color:var(--text-main);position:relative}
.category-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);color:var(--text-main)}
.category-card .cover-wrap{position:relative;height:200px;overflow:hidden}
.category-card .cover-wrap img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.category-card:hover .cover-wrap img{transform:scale(1.06)}
.category-card .cover-mask{position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(8,29,64,.6))}
.category-card .card-body{padding:24px}
.category-card .card-body h3{font-size:20px;font-weight:700;margin-bottom:8px}
.category-card .card-body p{color:var(--text-weak);font-size:14px;margin-bottom:16px}
.card-tag{display:inline-block;font-size:12px;font-weight:600;padding:4px 12px;border-radius:999px;background:rgba(0,195,137,.12);color:var(--accent-dark);margin-bottom:12px}
.news-list{display:flex;flex-direction:column;gap:14px}
.news-item{display:flex;align-items:center;gap:20px;background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:20px 24px;transition:var(--transition)}
.news-item:hover{box-shadow:var(--shadow-md);transform:translateY(-3px);border-color:var(--border-strong)}
.news-item .news-cat{flex-shrink:0;background:var(--bg-soft);color:var(--primary-light);font-size:13px;font-weight:600;padding:6px 14px;border-radius:999px}
.news-item .news-info{flex:1;min-width:0}
.news-item .news-info h3{font-size:17px;font-weight:600;margin-bottom:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.news-item .news-info p{font-size:14px;color:var(--text-weak);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-bottom:0}
.news-item .news-meta{flex-shrink:0;text-align:right}
.news-item .news-date{font-size:13px;color:var(--text-faint);display:block}
.empty-state{background:var(--surface);border:1px dashed var(--border-strong);border-radius:16px;padding:32px;text-align:center;color:var(--text-faint)}
.news-more{text-align:center;margin-top:24px}
.stats-section{background:linear-gradient(120deg,var(--primary-dark),var(--primary) 55%,#0e3b7a);border-radius:24px;padding:56px 48px;color:#fff;position:relative;overflow:hidden}
.stats-section::before{content:'';position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;background:rgba(0,195,137,.15)}
.stat-item{text-align:center;position:relative}
.stat-item .stat-num{font-size:42px;font-weight:800;color:#4df3c5;line-height:1.2}
.stat-item .stat-label{font-size:15px;color:rgba(255,255,255,.7);margin-top:6px}
.step-card{text-align:center;padding:24px 16px;position:relative}
.step-card .step-num{width:46px;height:46px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent-dark));color:#fff;font-weight:700;font-size:18px;display:flex;align-items:center;justify-content:center;margin:0 auto 18px;box-shadow:0 8px 20px rgba(0,195,137,.3)}
.step-card h3{font-size:17px;font-weight:700;margin-bottom:8px}
.step-card p{font-size:14px;color:var(--text-weak);margin-bottom:0}
.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:22px 26px;margin-bottom:14px;transition:var(--transition);cursor:pointer}
.faq-item:hover{border-color:var(--accent);box-shadow:var(--shadow-sm)}
.faq-item .faq-q{font-size:16px;font-weight:600;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq-item .faq-q i{color:var(--accent);transition:transform .3s}
.faq-item.active .faq-q i{transform:rotate(45deg)}
.faq-item .faq-a{display:none;padding-top:12px;color:var(--text-weak);font-size:15px;line-height:1.8}
.faq-item.active .faq-a{display:block;animation:fadeIn .3s ease}
@keyframes fadeIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}
.cta-section{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 60%,var(--accent-dark) 130%);border-radius:24px;padding:56px 60px;color:#fff;text-align:center;position:relative;overflow:hidden}
.cta-section::before{content:'';position:absolute;left:-60px;bottom:-100px;width:260px;height:260px;border-radius:50%;background:rgba(0,195,137,.2)}
.cta-section h2{font-size:32px;font-weight:800;margin-bottom:12px}
.cta-section p{font-size:16px;color:rgba(255,255,255,.78);margin-bottom:28px;max-width:560px;margin-left:auto;margin-right:auto}
.app-footer{background:var(--primary-dark);color:rgba(255,255,255,.65);padding:48px 40px 28px;margin-top:auto}
.footer-brand{font-size:20px;font-weight:700;color:#fff;margin-bottom:8px;display:flex;align-items:center;gap:10px}
.footer-brand i{color:var(--accent)}
.footer-desc{font-size:14px;color:rgba(255,255,255,.5);line-height:1.8;margin-bottom:20px}
.footer-title{font-size:15px;font-weight:600;color:rgba(255,255,255,.85);margin-bottom:14px}
.footer-links{display:flex;gap:10px;flex-wrap:wrap}
.footer-links a{color:rgba(255,255,255,.6);font-size:14px;padding:6px 10px;transition:var(--transition)}
.footer-links a:hover{color:#4df3c5}
.footer-copyright{border-top:1px solid rgba(255,255,255,.1);margin-top:32px;padding-top:20px;font-size:13px;text-align:center;color:rgba(255,255,255,.4)}
.block-bg{background:var(--surface);border-radius:24px;padding:48px;box-shadow:var(--shadow-sm)}
.page-banner{border-radius:24px;padding:60px 56px;color:#fff;position:relative;overflow:hidden;margin:32px 40px 8px;background:linear-gradient(120deg,rgba(8,29,64,.9),rgba(13,42,92,.75)),url('/assets/images/backpic/back-1.png') center/cover no-repeat}
.page-banner h1{font-size:36px;font-weight:800;margin-bottom:10px}
.page-banner p{font-size:16px;color:rgba(255,255,255,.8);max-width:640px;margin-bottom:0}
.page-banner .banner-badge{display:inline-block;background:rgba(255,255,255,.14);border-radius:999px;padding:5px 14px;font-size:13px;margin-bottom:14px;border:1px solid rgba(255,255,255,.2)}
.breadcrumb-custom{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-faint);margin:24px 40px 0;flex-wrap:wrap}
.breadcrumb-custom a{color:var(--text-weak)}
.breadcrumb-custom a:hover{color:var(--accent-dark)}
.breadcrumb-custom i{font-size:12px;color:var(--text-faint)}
.article-header{margin-bottom:28px}
.article-title{font-size:34px;font-weight:800;line-height:1.4;margin-bottom:16px;color:var(--text-main)}
.article-meta{display:flex;flex-wrap:wrap;gap:16px;color:var(--text-faint);font-size:14px;align-items:center}
.article-meta .badge{background:rgba(0,195,137,.12);color:var(--accent-dark);padding:4px 12px;border-radius:999px;font-weight:600;font-size:13px}
.article-body{font-size:16px;line-height:2;color:var(--text-main)}
.article-body p{margin-bottom:1.4em}
.article-body h2{font-size:24px;font-weight:700;margin:1.6em 0 .8em}
.article-body h3{font-size:19px;font-weight:700;margin:1.4em 0 .6em}
.article-body img{border-radius:17px;margin:1.6em 0}
.article-body ul{margin:1em 0;padding-left:1.2em;list-style:disc}
.article-body ol{margin:1em 0;padding-left:1.2em;list-style:decimal}
.article-body blockquote{border-left:4px solid var(--accent);background:var(--bg-soft);padding:16px 20px;border-radius:0 12px 12px 0;margin:1.4em 0;color:var(--text-weak)}
.not-found{background:var(--surface);border-radius:24px;padding:80px 40px;text-align:center;box-shadow:var(--shadow-sm)}
.not-found i{font-size:56px;color:var(--text-faint);margin-bottom:20px}
.not-found h2{font-size:26px;font-weight:700;margin-bottom:12px}
.not-found p{color:var(--text-weak);margin-bottom:24px}
@media(max-width:1199.98px){
  .page-content{padding:28px 24px 40px}
  .hero-section{padding:56px 40px;margin:24px 24px 8px}
  .hero-title{font-size:36px}
  .page-banner{padding:48px 40px;margin:24px 24px 8px}
  .breadcrumb-custom{margin:20px 24px 0}
}
@media(max-width:991.98px){
  .app-sidebar{transform:translateX(-105%)}
  .app-sidebar.show{transform:translateX(0);box-shadow:0 0 60px rgba(0,0,0,.3)}
  .app-main{margin-left:0}
  .mobile-topbar{display:flex}
  .sidebar-mask.show{display:block;opacity:1}
  .hero-section{min-height:360px}
  .hero-title{font-size:32px}
  .page-banner{min-height:auto}
  .page-banner h1{font-size:30px}
}
@media(max-width:767.98px){
  .page-content{padding:20px 16px 32px}
  .hero-section{padding:40px 24px;margin:16px 16px 8px;min-height:auto}
  .hero-title{font-size:26px}
  .hero-desc{font-size:15px}
  .section-title{font-size:24px}
  .stats-section{padding:40px 24px}
  .stat-item .stat-num{font-size:30px}
  .news-item{flex-direction:column;align-items:flex-start;gap:10px;padding:18px}
  .news-item .news-meta{text-align:left}
  .cta-section{padding:40px 24px}
  .cta-section h2{font-size:26px}
  .block-bg{padding:28px 20px}
  .article-title{font-size:26px}
  .page-banner{padding:40px 24px;margin:16px 16px 8px}
  .page-banner h1{font-size:26px}
  .category-card .cover-wrap{height:180px}
  .breadcrumb-custom{margin:16px 16px 0;font-size:13px}
}
@media(max-width:520px){
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%;justify-content:center}
  .hero-title{font-size:23px}
  .hero-desc{font-size:14px}
  .section-title{font-size:22px}
  .news-item .news-cat{font-size:12px}
  .feature-card{padding:24px 20px}
  .faq-item{padding:18px 16px}
  .article-title{font-size:23px}
  .page-banner h1{font-size:23px}
  .footer-links{flex-direction:column;gap:4px}
}
.btn:focus,.form-control:focus{border-color:var(--accent);box-shadow:0 0 0 .25rem rgba(0,195,137,.15)}

/* roulang page: category1 */
:root {
        --primary: #5b5bff;
        --primary-dark: #3c3bf0;
        --primary-light: #eef0ff;
        --secondary: #ff6b41;
        --secondary-light: #fff0ea;
        --accent: #00c9a7;
        --accent-light: #e6faf6;
        --dark: #1b1d2b;
        --ink: #2d3040;
        --muted: #6b7080;
        --bg: #f6f7fb;
        --card-bg: #ffffff;
        --border: #e6e8f0;
        --radius: 18px;
        --radius-sm: 12px;
        --shadow: 0 8px 30px rgba(35, 38, 80, 0.08);
        --shadow-hover: 0 16px 46px rgba(35, 38, 80, 0.14);
        --header-h: 64px;
        --sidebar-w: 252px;
        --transition: 0.25s ease;
    }

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

    html {
        scroll-behavior: smooth;
    }

    body {
        margin: 0;
        font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        background: var(--bg);
        color: var(--ink);
        line-height: 1.7;
        font-size: 15px;
        -webkit-font-smoothing: antialiased;
    }

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

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

    .container-fluid {
        max-width: 1400px;
    }

    .app-shell {
        display: flex;
        min-height: 100vh;
    }

    .app-sidebar {
        width: var(--sidebar-w);
        flex-shrink: 0;
        background: var(--dark);
        color: #e8e9f2;
        display: flex;
        flex-direction: column;
        position: sticky;
        top: 0;
        height: 100vh;
        padding: 26px 18px;
        z-index: 1040;
        transition: transform 0.3s ease;
    }

    .sidebar-brand {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 4px 6px 20px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .brand-logo {
        width: 40px;
        height: 40px;
        background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
        border-radius: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 20px;
        flex-shrink: 0;
    }

    .brand-text {
        font-size: 17px;
        font-weight: 700;
        color: #fff;
        letter-spacing: 0.02em;
        line-height: 1.2;
    }

    .brand-text small {
        display: block;
        font-size: 11px;
        font-weight: 400;
        color: rgba(255, 255, 255, 0.55);
        margin-top: 2px;
    }

    .nav-label {
        font-size: 11px;
        color: rgba(255, 255, 255, 0.4);
        letter-spacing: 0.14em;
        text-transform: uppercase;
        padding: 22px 10px 8px;
        font-weight: 600;
    }

    .sidebar-nav {
        display: flex;
        flex-direction: column;
        gap: 4px;
        flex: 1;
    }

    .nav-link-item {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 12px 14px;
        border-radius: 12px;
        color: rgba(255, 255, 255, 0.68);
        font-size: 14px;
        font-weight: 500;
        transition: background var(--transition), color var(--transition), transform var(--transition);
    }

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

    .nav-link-item:hover {
        background: rgba(255, 255, 255, 0.07);
        color: #fff;
        transform: translateX(2px);
    }

    .nav-link-item.active {
        background: linear-gradient(135deg, var(--primary) 0%, #4a7cf7 100%);
        color: #fff;
        box-shadow: 0 4px 18px rgba(91, 91, 255, 0.35);
    }

    .sidebar-foot {
        padding: 18px 8px 4px;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        font-size: 12px;
        color: rgba(255, 255, 255, 0.35);
        line-height: 1.6;
    }

    .app-main {
        flex: 1;
        min-width: 0;
        display: flex;
        flex-direction: column;
    }

    .top-bar {
        position: sticky;
        top: 0;
        z-index: 1030;
        background: rgba(255, 255, 255, 0.82);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-bottom: 1px solid rgba(230, 232, 240, 0.8);
        height: var(--header-h);
        display: flex;
        align-items: center;
        padding: 0 28px;
    }

    .top-bar-content {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        gap: 16px;
    }

    .sidebar-toggle {
        display: none;
        background: none;
        border: none;
        font-size: 20px;
        color: var(--ink);
        padding: 6px 10px;
        border-radius: 8px;
        cursor: pointer;
    }

    .sidebar-toggle:hover {
        background: var(--primary-light);
    }

    .top-bar-title {
        font-size: 16px;
        font-weight: 600;
        color: var(--ink);
        margin: 0;
    }

    .top-bar-actions {
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .btn-top {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: var(--primary);
        color: #fff;
        border: none;
        border-radius: 10px;
        padding: 8px 18px;
        font-size: 13px;
        font-weight: 600;
        transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
    }

    .btn-top:hover {
        background: var(--primary-dark);
        transform: translateY(-1px);
    }

    .section-padding {
        padding: 76px 0;
    }

    .section-label {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: var(--primary-light);
        color: var(--primary);
        font-size: 13px;
        font-weight: 600;
        padding: 6px 16px;
        border-radius: 30px;
        margin-bottom: 14px;
    }

    .section-title {
        font-size: 40px;
        line-height: 1.2;
        font-weight: 800;
        letter-spacing: -0.5px;
        color: var(--ink);
        margin-bottom: 12px;
    }

    .section-subtitle {
        color: var(--muted);
        font-size: 16px;
        max-width: 620px;
        margin: 0 auto;
    }

    .hero-area {
        background: linear-gradient(135deg, #f0f3ff 0%, #fdf0ff 100%);
        padding: 100px 0 80px;
        position: relative;
        overflow: hidden;
    }

    .hero-area::before {
        content: "";
        position: absolute;
        inset: 0;
        background-image: url("/assets/images/backpic/back-1.png");
        background-size: cover;
        background-position: center;
        opacity: 0.12;
    }

    .hero-content {
        position: relative;
    }

    .hero-title {
        font-size: 46px;
        line-height: 1.18;
        font-weight: 800;
        color: var(--ink);
        margin-bottom: 16px;
        letter-spacing: -0.8px;
    }

    .hero-text {
        color: var(--muted);
        font-size: 17px;
        max-width: 560px;
    }

    .hero-badge {
        display: inline-flex;
        justify-content: center;
        align-items: center;
        gap: 8px;
        background: #fff;
        border-radius: 30px;
        padding: 8px 20px;
        font-size: 13px;
        font-weight: 600;
        color: var(--ink);
        box-shadow: var(--shadow);
        margin-bottom: 24px;
    }

    .hero-badge i {
        color: var(--primary);
    }

    .hero-meta {
        display: flex;
        flex-wrap: wrap;
        gap: 24px;
        margin-top: 28px;
    }

    .hero-meta-item {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 14px;
        color: var(--muted);
    }

    .hero-meta-item i {
        color: var(--primary);
        background: #fff;
        box-shadow: var(--shadow);
        border-radius: 50%;
        width: 32px;
        height: 32px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 13px;
    }

    .hero-image-wrap {
        border-radius: 24px;
        overflow: hidden;
        box-shadow: 0 16px 50px rgba(35, 38, 80, 0.18);
        transform: rotate(1deg);
    }

    .card-standard {
        background: var(--card-bg);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        overflow: hidden;
        transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
        height: 100%;
    }

    .card-standard:hover {
        box-shadow: var(--shadow-hover);
        transform: translateY(-5px);
        border-color: rgba(91, 91, 255, 0.25);
    }

    .card-standard .card-img-wrapper {
        position: relative;
        overflow: hidden;
        aspect-ratio: 16 / 10;
    }

    .card-standard .card-img-wrapper img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.45s ease;
    }

    .card-standard:hover .card-img-wrapper img {
        transform: scale(1.05);
    }

    .card-standard .card-body-custom {
        padding: 24px 24px 26px;
    }

    .card-category {
        font-size: 12px;
        font-weight: 600;
        color: var(--primary);
        letter-spacing: 0.06em;
        margin-bottom: 10px;
        display: block;
    }

    .card-title-custom {
        font-size: 20px;
        font-weight: 700;
        line-height: 1.4;
        color: var(--ink);
        margin-bottom: 10px;
        transition: color 0.2s;
    }

    .card-title-custom a {
        color: inherit;
    }

    .card-title-custom a:hover {
        color: var(--primary);
    }

    .card-desc {
        color: var(--muted);
        font-size: 14px;
        line-height: 1.7;
        margin-bottom: 16px;
    }

    .card-meta-list {
        display: flex;
        flex-wrap: wrap;
        gap: 14px;
        font-size: 13px;
        color: var(--muted);
        border-top: 1px solid var(--bg);
        padding-top: 14px;
    }

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

    .card-meta-list i {
        color: var(--primary);
        font-size: 12px;
    }

    .topic-list-item {
        background: var(--card-bg);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        padding: 28px;
        transition: box-shadow var(--transition), transform var(--transition), border-color 0.2s;
        height: 100%;
        display: flex;
        gap: 18px;
    }

    .topic-list-item:hover {
        box-shadow: var(--shadow-hover);
        transform: translateY(-4px);
        border-color: rgba(91, 91, 255, 0.25);
    }

    .topic-list-item .topic-icon {
        width: 50px;
        height: 50px;
        background: var(--primary-light);
        color: var(--primary);
        border-radius: 14px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 20px;
        flex-shrink: 0;
    }

    .topic-list-item .topic-num {
        font-size: 12px;
        color: var(--muted);
        font-weight: 500;
    }

    .topic-list-item .topic-title {
        font-size: 17px;
        font-weight: 700;
        color: var(--ink);
        margin-bottom: 4px;
    }

    .topic-list-item .topic-desc {
        font-size: 14px;
        color: var(--muted);
        line-height: 1.6;
        margin: 0;
    }

    .feature-card {
        background: #fff;
        border-radius: 18px;
        padding: 30px 24px;
        border: 1px solid var(--border);
        text-align: center;
        transition: all 0.3s ease;
    }

    .feature-card:hover {
        box-shadow: 0 12px 38px rgba(91, 91, 255, 0.15);
        transform: translateY(-4px);
    }

    .feature-card .feature-icon {
        width: 60px;
        height: 60px;
        margin: 0 auto 18px;
        border-radius: 16px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 24px;
        background: var(--primary-light);
        color: var(--primary);
    }

    .feature-card .feature-title {
        font-size: 17px;
        font-weight: 700;
        color: var(--ink);
        margin-bottom: 8px;
    }

    .feature-card .feature-desc {
        font-size: 14px;
        color: var(--muted);
        line-height: 1.6;
        margin-bottom: 0;
    }

    .stat-block {
        background: var(--dark);
        border-radius: 24px;
        padding: 48px 40px;
        color: #fff;
        position: relative;
        overflow: hidden;
    }

    .stat-block::after {
        content: "";
        position: absolute;
        top: -60px;
        right: -60px;
        width: 220px;
        height: 220px;
        border-radius: 50%;
        background: rgba(91, 91, 255, 0.2);
    }

    .stat-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 28px;
        position: relative;
        z-index: 2;
        margin-bottom: 24px;
    }

    .stat-item {
        text-align: center;
        padding: 20px 10px;
        background: rgba(255, 255, 255, 0.05);
        border-radius: 16px;
    }

    .stat-num {
        font-size: 38px;
        font-weight: 800;
        color: #ffd0a0;
        line-height: 1.2;
    }

    .stat-num sup {
        font-size: 18px;
        font-weight: 600;
        top: -14px;
    }

    .stat-label {
        font-size: 14px;
        color: rgba(255, 255, 255, 0.65);
        margin-top: 4px;
    }

    .faq-acc .accordion-item {
        border: 1px solid var(--border);
        border-radius: 14px !important;
        overflow: hidden;
        background: #fff;
        margin-bottom: 12px;
    }

    .faq-acc .accordion-button {
        font-size: 16px;
        font-weight: 600;
        color: var(--ink);
        padding: 18px 24px;
        background: #fff;
        box-shadow: none;
        line-height: 1.5;
    }

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

    .faq-acc .accordion-button:focus {
        box-shadow: 0 0 0 3px rgba(91, 91, 255, 0.15);
    }

    .faq-acc .accordion-body {
        font-size: 14px;
        color: var(--muted);
        padding: 8px 24px 22px;
        line-height: 1.8;
    }

    .cta-section {
        background: linear-gradient(135deg, rgba(91, 91, 255, 0.10) 0%, rgba(255, 107, 65, 0.10) 100%),
            url("/assets/images/backpic/back-2.png");
        background-position: center;
        background-size: cover;
        border: 1px solid var(--border);
        border-radius: 26px;
        margin: 22px 0 70px;
        padding: 60px 48px;
        position: relative;
        overflow: hidden;
    }

    .cta-section h3 {
        font-size: 32px;
        font-weight: 800;
        color: var(--ink);
        margin-bottom: 12px;
    }

    .cta-section p {
        color: var(--muted);
        font-size: 16px;
        max-width: 480px;
    }

    .btn-main {
        display: inline-flex;
        align-items: center;
        gap: 26px;
        background: var(--primary);
        color: #fff;
        border: none;
        border-radius: 14px;
        padding: 14px 30px;
        font-size: 15px;
        font-weight: 700;
        transition: all 0.25s ease;
        white-space: nowrap;
    }

    .btn-main i {
        font-size: 14px;
    }

    .btn-main:hover {
        background: var(--primary-dark);
        color: #fff;
        transform: translateY(-2px);
        box-shadow: 0 10px 24px rgba(91, 91, 255, 0.3);
    }

    .btn-second {
        display: inline-flex;
        align-items: center;
        gap: 26px;
        background: #fff;
        color: var(--ink);
        border: 1px solid var(--border);
        border-radius: 14px;
        padding: 14px 30px;
        font-size: 14px;
        font-weight: 600;
        transition: all 0.25s ease;
        white-space: nowrap;
    }

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

    .app-footer {
        background: var(--dark);
        color: rgba(255, 255, 255, 0.6);
        padding: 56px 0 32px;
        margin-top: auto;
    }

    .app-footer .container-fluid {
        max-width: 1400px;
        padding: 0 32px;
        margin: 0 auto;
    }

    .footer-brand {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 18px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 14px;
    }

    .footer-desc {
        font-size: 14px;
        line-height: 1.8;
        color: rgba(255, 255, 255, 0.5);
        max-width: 340px;
        margin-bottom: 0;
    }

    .footer-title {
        font-size: 15px;
        color: #fff;
        font-weight: 600;
        margin-bottom: 18px;
        letter-spacing: 0.04em;
    }

    .footer-links {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }

    .footer-links a {
        color: rgba(255, 255, 255, 0.55);
        font-size: 14px;
        display: inline-flex;
        align-items: center;
        gap: 8px;
        transition: color var(--transition);
    }

    .footer-links a:hover {
        color: #fff;
    }

    .footer-copyright {
        margin-top: 38px;
        padding-top: 22px;
        border-top: 1px solid rgba(255, 255, 255, 0.08);
        font-size: 13px;
        color: rgba(255, 255, 255, 0.3);
        text-align: center;
    }

    .page-banner {
        background: linear-gradient(135deg, #f0f3ff 0%, #fff0ea 100%),
            url("/assets/images/backpic/back-1.png");
        background-size: cover;
        background-position: center;
        padding: 70px 0 54px;
        position: relative;
        overflow: hidden;
    }

    .page-banner::after {
        content: "";
        position: absolute;
        inset: 0;
        background: url("/assets/images/backpic/back-3.png");
        background-position: right bottom;
        background-repeat: no-repeat;
        background-size: 50% 100%;
        opacity: 0.08;
        pointer-events: none;
    }

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

    .breadcrumb-custom {
        font-size: 13px;
        color: var(--muted);
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        margin-bottom: 18px;
    }

    .breadcrumb-custom a {
        color: var(--muted);
    }

    .breadcrumb-custom a:hover {
        color: var(--primary);
    }

    .breadcrumb-custom .sep {
        opacity: 0.4;
    }

    .page-banner h1 {
        font-size: 40px;
        font-weight: 800;
        color: var(--ink);
        letter-spacing: -0.4px;
        margin-bottom: 10px;
        line-height: 1.2;
    }

    .page-banner .lead-text {
        color: var(--muted);
        font-size: 16px;
        max-width: 620px;
        margin-bottom: 18px;
    }

    .tag-chip {
        display: inline-block;
        background: rgba(91, 91, 255, 0.12);
        color: var(--primary);
        padding: 5px 14px;
        border-radius: 30px;
        font-size: 12px;
        font-weight: 600;
        margin-right: 8px;
    }

    @media (max-width: 1199.98px) {
        .section-title {
            font-size: 34px;
        }

        .hero-title {
            font-size: 36px;
        }

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

        .hero-area {
            padding: 80px 0 64px;
        }
    }

    @media (max-width: 991.98px) {
        .app-sidebar {
            position: fixed;
            left: 0;
            top: 0;
            transform: translateX(-100%);
            width: 280px;
            box-shadow: 6px 0 24px rgba(0, 0, 0, 0.18);
        }

        .app-sidebar.open {
            transform: translateX(0);
        }

        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(27, 29, 43, 0.5);
            z-index: 1035;
        }

        .sidebar-overlay.show {
            display: block;
        }

        .sidebar-toggle {
            display: inline-flex;
        }

        .app-main {
            width: 100%;
        }

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

        .section-title {
            font-size: 32px;
        }

        .hero-title {
            font-size: 34px;
        }

        .cta-section {
            padding: 40px 28px;
        }

        .stat-block {
            padding: 36px 24px;
        }
    }

    @media (max-width: 767.98px) {
        .top-bar {
            padding: 0 16px;
        }

        .top-bar-title {
            display: none;
        }

        .hero-title {
            font-size: 30px;
        }

        .hero-area {
            padding: 60px 0 48px;
        }

        .section-title {
            font-size: 26px;
        }

        .section-subtitle {
            font-size: 15px;
        }

        .card-standard .card-body-custom {
            padding: 18px;
        }

        .topic-list-item {
            flex-direction: column;
            padding: 20px;
        }

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

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

        .cta-section h3 {
            font-size: 26px;
        }

        .btn-main,
        .btn-second {
            padding: 12px 20px;
            font-size: 14px;
            width: 100%;
            justify-content: center;
        }

        .app-footer .container-fluid {
            padding: 0 20px;
        }
    }

    @media (max-width: 520px) {
        body {
            font-size: 14px;
        }

        .page-banner h1 {
            font-size: 28px;
        }

        .page-banner {
            padding: 48px 0 36px;
        }

        .hero-title {
            font-size: 26px;
        }

        .feature-card {
            padding: 22px 16px;
        }

        .card-title-custom {
            font-size: 18px;
        }

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

/* roulang page: article */
:root {
  --primary: #2563eb;
  --primary-dark: #1e40af;
  --primary-light: #dbeafe;
  --primary-lighter: #eff6ff;
  --accent: #f59e0b;
  --accent-dark: #d97706;
  --accent-light: #fef3c7;
  --dark: #0f172a;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-500: #64748b;
  --gray-700: #334155;
  --gray-900: #0f172a;
  --bg: #f0f4fa;
  --card-bg: #ffffff;
  --border: #e8ecf2;
  --text: #1e293b;
  --text-light: #64748b;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 6px rgba(15, 23, 42, 0.04);
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 50px rgba(15, 23, 42, 0.12);
  --transition: all 0.28s ease;
  --sidebar-width: 260px;
}
* , *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, h5, h6 {
  margin: 0 0 0.5em;
  line-height: 1.35;
  font-weight: 700;
  color: var(--gray-900);
}
p { margin: 0 0 1rem; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
button, input, select, textarea { font-family: inherit; }
.container { max-width: 1180px; }
.badge { font-weight: 600; letter-spacing: 0.02em; }
.btn {
  border-radius: 10px;
  padding: 0.65rem 1.4rem;
  font-weight: 600;
  transition: var(--transition);
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border: none;
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.28);
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-dark), #1c3faa);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(37, 99, 235, 0.32);
}
.btn-outline-primary {
  border: 2px solid var(--primary);
  color: var(--primary);
  background: transparent;
}
.btn-outline-primary:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}
.btn-accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  border: none;
  color: #fff;
  box-shadow: 0 6px 18px rgba(245, 158, 11, 0.28);
}
.btn-accent:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(245, 158, 11, 0.36);
}
.btn-light-custom {
  background: rgba(255,255,255,0.92);
  border: 1px solid rgba(255,255,255,0.4);
  color: var(--dark);
  border-radius: 10px;
  font-weight: 600;
  padding: 0.65rem 1.4rem;
  transition: var(--transition);
}
.btn-light-custom:hover {
  background: #fff;
  color: var(--primary);
  transform: translateY(-2px);
}
.btn-icon {
  border: none;
  background: var(--gray-100);
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-700);
  font-size: 18px;
  transition: var(--transition);
}
.btn-icon:hover { background: var(--primary-light); color: var(--primary); }

.app-shell {
  display: flex;
  min-height: 100vh;
}

.app-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: #fff;
  border-right: 1px solid var(--border);
  z-index: 1040;
  display: flex;
  flex-direction: column;
  padding: 24px 18px;
  box-shadow: 2px 0 18px rgba(15,23,42,0.03);
}
.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 6px 8px 22px;
  border-bottom: 1px solid var(--gray-100);
  margin-bottom: 20px;
}
.brand-logo {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, #2563eb, #1e3a8a);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  box-shadow: 0 6px 14px rgba(37,99,235,0.30);
  flex: 0 0 auto;
}
.brand-text {
  font-size: 18px;
  font-weight: 800;
  color: var(--gray-900);
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}
.nav-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--gray-500);
  text-transform: uppercase;
  padding: 8px 12px 6px;
}
.nav-link-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  color: var(--gray-700);
  transition: var(--transition);
}
.nav-link-item i {
  width: 20px;
  text-align: center;
  font-size: 16px;
  color: var(--gray-500);
  transition: var(--transition);
}
.nav-link-item:hover {
  background: var(--gray-100);
  color: var(--primary);
  text-decoration: none;
}
.nav-link-item:hover i { color: var(--primary); }
.nav-link-item.active {
  background: var(--primary-lighter);
  color: var(--primary);
  font-weight: 700;
}
.nav-link-item.active i { color: var(--primary); }

.app-main {
  margin-left: var(--sidebar-width);
  width: calc(100% - var(--sidebar-width));
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
}
.mobile-topbar {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: #fff;
  border-bottom: 1px solid var(--border);
  z-index: 1050;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
  box-shadow: 0 2px 12px rgba(15,23,42,0.04);
}
.mobile-brand {
  font-size: 17px;
  font-weight: 800;
  color: var(--gray-900);
  display: flex;
  align-items: center;
  gap: 8px;
}
.mobile-brand i { color: var(--primary); font-size: 20px; }
.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.5);
  z-index: 1030;
  backdrop-filter: blur(3px);
}
.sidebar-backdrop.show { display: block; }

.article-hero {
  position: relative;
  padding: 68px 0 52px;
  background-size: cover;
  background-position: center;
  color: #fff;
}
.article-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(15, 23, 42, 0.86), rgba(30, 58, 138, 0.66) 55%, rgba(37, 99, 235, 0.4));
}
.article-hero .container { position: relative; z-index: 2; }
.breadcrumb-wrap {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  color: rgba(255,255,255,0.85);
  margin-bottom: 22px;
}
.breadcrumb-wrap a { color: rgba(255,255,255,0.75); transition: var(--transition); }
.breadcrumb-wrap a:hover { color: #fff; text-decoration: underline; }
.breadcrumb-wrap .sep { color: rgba(255,255,255,0.5); font-size: 12px; }
.breadcrumb-wrap .current { color: rgba(255,255,255,0.9); font-weight: 600; }
.article-hero-title {
  font-size: clamp(1.5rem, 2.5vw + 1rem, 2.4rem);
  color: #fff;
  margin-bottom: 16px;
  max-width: 860px;
  line-height: 1.35;
  text-shadow: 0 2px 20px rgba(0,0,0,0.18);
}
.article-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 14px;
  color: rgba(255,255,255,0.85);
}
.article-hero-meta .meta-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.article-hero-meta .meta-item i { opacity: 0.75; }

.article-main-section {
  padding: 40px 0 20px;
}
.article-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  padding: clamp(24px, 4vw, 48px);
  margin-bottom: 28px;
}
.article-body-content {
  font-size: 16px;
  line-height: 1.9;
  color: var(--text);
}
.article-body-content h2 {
  font-size: 1.45rem;
  margin-top: 1.8em;
  margin-bottom: 0.8em;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--gray-100);
}
.article-body-content h3 {
  font-size: 1.2rem;
  margin-top: 1.5em;
  margin-bottom: 0.6em;
}
.article-body-content p { margin-bottom: 1.2em; }
.article-body-content img {
  border-radius: var(--radius-md);
  margin: 1.5em 0;
  box-shadow: var(--shadow);
}
.article-body-content ul, .article-body-content ol {
  margin: 0 0 1.2em 1.2em;
  padding-left: 0.8em;
}
.article-body-content li { margin-bottom: 0.45em; }
.article-body-content blockquote {
  border-left: 4px solid var(--primary);
  background: var(--primary-lighter);
  padding: 16px 20px;
  border-radius: 0 12px 12px 0;
  margin: 1.5em 0;
  color: var(--gray-700);
  font-style: italic;
}
.article-tags-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding-top: 20px;
  margin-top: 28px;
  border-top: 1px solid var(--gray-100);
}
.tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--gray-100);
  color: var(--gray-700);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 30px;
  transition: var(--transition);
}
.tag-chip:hover { background: var(--primary-light); color: var(--primary); }
.article-footer-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--gray-100);
}
.not-found-box {
  text-align: center;
  padding: 56px 20px;
}
.not-found-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--gray-100);
  color: var(--gray-500);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  margin-bottom: 20px;
}
.not-found-box h2 { font-size: 1.6rem; margin-bottom: 8px; }
.not-found-box p { color: var(--text-light); margin-bottom: 24px; }

.related-section {
  padding: 30px 0 50px;
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-lighter);
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: 30px;
  margin-bottom: 10px;
}
.section-heading {
  margin-bottom: 28px;
}
.section-heading h2 {
  font-size: clamp(1.4rem, 2vw + 0.8rem, 1.9rem);
  font-weight: 800;
}
.section-heading .sub-text {
  color: var(--text-light);
  font-size: 15px;
  max-width: 560px;
}
.related-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border);
  background: #fff;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}
.related-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: var(--gray-300);
}
.related-card .card-thumb {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: var(--gray-100);
}
.related-card .card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.related-card:hover .card-thumb img { transform: scale(1.06); }
.related-card .card-thumb .thumb-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(15,23,42,0.4));
  pointer-events: none;
}
.related-card .card-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.related-card .card-cat {
  font-size: 12px;
  font-weight: 700;
  color: var(--primary);
  background: var(--primary-lighter);
  padding: 4px 12px;
  border-radius: 30px;
  display: inline-block;
  margin-bottom: 12px;
  width: fit-content;
}
.related-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 10px;
}
.related-card h3 a { color: var(--gray-900); }
.related-card h3 a:hover { color: var(--primary); }
.related-card .card-desc {
  font-size: 14px;
  color: var(--text-light);
  margin-bottom: 14px;
  line-height: 1.65;
  flex: 1;
}
.related-card .card-meta {
  display: flex;
  gap: 14px;
  font-size: 13px;
  color: var(--gray-500);
  border-top: 1px solid var(--gray-100);
  padding-top: 14px;
}

.cta-section {
  padding: 30px 0 50px;
}
.cta-card {
  position: relative;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 60%, #3b82f6 100%);
  padding: clamp(32px, 5vw, 60px);
  color: #fff;
  overflow: hidden;
  box-shadow: 0 18px 40px rgba(30, 58, 138, 0.3);
}
.cta-card::before {
  content: '';
  position: absolute;
  right: -60px;
  top: -60px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  border: 30px solid rgba(255,255,255,0.08);
}
.cta-card::after {
  content: '';
  position: absolute;
  right: 90px;
  bottom: -50px;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
}
.cta-card .container {
  position: relative;
  z-index: 2;
}
.cta-card h2 {
  color: #fff;
  font-size: clamp(1.5rem, 2.5vw + 0.8rem, 2.2rem);
  font-weight: 800;
  margin-bottom: 12px;
}
.cta-card p {
  color: rgba(255,255,255,0.85);
  font-size: 16px;
  max-width: 600px;
  margin-bottom: 28px;
}
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.faq-section {
  padding: 30px 0 50px;
}
.faq-accordion {
  max-width: 860px;
}
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover {
  box-shadow: var(--shadow-sm);
  border-color: var(--gray-300);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  cursor: pointer;
  font-weight: 600;
  font-size: 15px;
  color: var(--gray-900);
  background: #fff;
  border: none;
  width: 100%;
  text-align: left;
  transition: var(--transition);
}
.faq-question:hover { color: var(--primary); }
.faq-question .faq-icon {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: var(--gray-500);
  flex: 0 0 auto;
  transition: var(--transition);
}
.faq-item.open .faq-icon {
  background: var(--primary);
  color: #fff;
  transform: rotate(45deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.faq-answer-inner {
  padding: 0 24px 22px;
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.75;
}

.app-footer {
  background: #0f172a;
  color: rgba(255,255,255,0.68);
  padding: 56px 0 30px;
  margin-top: auto;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 20px;
  color: #fff;
  font-weight: 800;
  margin-bottom: 16px;
}
.footer-brand .brand-logo {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  font-size: 16px;
}
.footer-desc { font-size: 14px; line-height: 1.7; max-width: 340px; }
.footer-title {
  font-size: 15px;
  color: #fff;
  font-weight: 700;
  margin-bottom: 16px;
  position: relative;
  padding-bottom: 8px;
}
.footer-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 3px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 14px;
}
.footer-links a {
  color: rgba(255,255,255,0.65);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}
.footer-links a:hover { color: #fff; text-decoration: none; padding-left: 4px; }
.footer-links a i { color: var(--primary); font-size: 13px; }
.footer-copyright {
  border-top: 1px solid rgba(255,255,255,0.08);
  margin-top: 40px;
  padding-top: 22px;
  font-size: 13px;
  text-align: center;
  color: rgba(255,255,255,0.45);
}

@media (max-width: 991.98px) {
  :root { --sidebar-width: 280px; }
  .app-sidebar {
    left: -280px;
    transition: left 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: none;
  }
  .app-sidebar.open {
    left: 0;
    box-shadow: 8px 0 40px rgba(15, 23, 42, 0.16);
  }
  .app-main {
    margin-left: 0;
    width: 100%;
    padding-top: 60px;
  }
  .mobile-topbar { display: flex; }
  .article-hero {
    padding-top: 48px;
    padding-bottom: 40px;
  }
  .footer-brand, .footer-links { margin-bottom: 10px; }
}

@media (max-width: 768px) {
  .article-hero-title { font-size: 1.6rem; }
  .article-card { padding: 22px 18px; }
  .cta-card { padding: 28px 22px; }
  .cta-actions .btn { width: 100%; justify-content: center; }
  .article-footer-nav { flex-direction: column; align-items: flex-start; }
  .related-card { margin-bottom: 8px; }
}

@media (max-width: 520px) {
  body { font-size: 15px; }
  .article-hero { padding: 36px 0 30px; }
  .article-hero-title { font-size: 1.35rem; }
  .article-hero-meta { gap: 10px; font-size: 13px; }
  .article-main-section { padding: 24px 0 12px; }
  .article-card { padding: 18px 16px; border-radius: 16px; }
  .breadcrumb-wrap { font-size: 13px; margin-bottom: 16px; }
  .section-heading h2 { font-size: 1.3rem; }
  .faq-question { padding: 16px 16px; font-size: 14px; }
  .faq-answer-inner { padding: 0 16px 18px; }
  .cta-card h2 { font-size: 1.4rem; }
  .cta-card p { font-size: 14px; }
  .footer-brand { font-size: 18px; }
  .app-footer { padding: 40px 0 24px; }
}

/* roulang page: category2 */
:root {
  --primary: #146b4a;
  --primary-dark: #0e4f36;
  --primary-light: #e8f5ef;
  --accent: #f0a93e;
  --accent-dark: #d9922a;
  --bg: #f4f7f5;
  --surface: #ffffff;
  --text: #1e2d27;
  --text-secondary: #5f726a;
  --border: #e2e8e5;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 2px 12px rgba(20,107,74,0.08);
  --shadow-lg: 0 8px 30px rgba(20,107,74,0.14);
  --sidebar-width: 280px;
  --transition: all 0.3s ease;
}
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
}
a { text-decoration: none; color: inherit; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; }
button { font-family: inherit; }
.container { max-width: 1200px; }

/* ===== 侧边栏 ===== */
.app-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: linear-gradient(180deg, #0d3527 0%, #145b40 60%, #1a6b4e 100%);
  color: rgba(255,255,255,0.8);
  display: flex;
  flex-direction: column;
  z-index: 1040;
  padding: 0;
  border-right: 1px solid rgba(255,255,255,0.06);
}
.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 28px 24px 20px;
}
.brand-logo {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--accent), #f7c768);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: #0e4f36;
  box-shadow: 0 4px 14px rgba(240,169,62,0.4);
  flex-shrink: 0;
}
.brand-text {
  font-size: 19px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.sidebar-nav {
  padding: 8px 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
  overflow-y: auto;
}
.nav-label {
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  padding: 18px 8px 8px;
  font-weight: 600;
}
.nav-link-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 13px 14px;
  border-radius: 12px;
  color: rgba(255,255,255,0.72);
  font-size: 15px;
  font-weight: 500;
  transition: var(--transition);
  margin-bottom: 2px;
}
.nav-link-item i {
  width: 22px;
  text-align: center;
  font-size: 17px;
  opacity: 0.85;
}
.nav-link-item:hover {
  background: rgba(255,255,255,0.1);
  color: #fff;
  transform: translateX(3px);
}
.nav-link-item.active {
  background: rgba(255,255,255,0.16);
  color: #fff;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.12);
}
.nav-link-item.active i { color: var(--accent); }
.sidebar-bottom {
  padding: 20px 24px;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.sidebar-contact {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  padding: 8px 4px;
  transition: var(--transition);
}
.sidebar-contact:hover { color: #fff; }
.sidebar-contact i { font-size: 14px; }

/* ===== 移动端顶部栏 ===== */
.mobile-header {
  display: none;
  position: sticky;
  top: 0;
  z-index: 1030;
  background: linear-gradient(135deg, #0d3527, #145b40);
  padding: 12px 20px;
  align-items: center;
  justify-content: space-between;
  color: #fff;
  box-shadow: 0 4px 20px rgba(0,0,0,0.18);
}
.mobile-header .brand-icon {
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, var(--accent), #f7c768);
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  color: #0e4f36;
}
.mobile-header .mobile-brand-name {
  font-weight: 700;
  font-size: 17px;
  margin-left: 10px;
}
.mobile-toggle {
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 10px;
  color: #fff;
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  transition: var(--transition);
}
.mobile-toggle:hover { background: rgba(255,255,255,0.2); }

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

/* ===== 页头 Hero ===== */
.page-hero {
  position: relative;
  min-height: 380px;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  color: #fff;
  overflow: hidden;
  padding: 80px 0 60px;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(9,32,24,0.92) 15%, rgba(13,53,39,0.72) 55%, rgba(13,53,39,0.35) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 680px;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(240,169,62,0.2);
  border: 1px solid rgba(240,169,62,0.45);
  border-radius: 30px;
  padding: 6px 18px;
  font-size: 13px;
  color: #fdd98a;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 22px;
}
.hero-tag i { font-size: 14px; }
.page-hero h1 {
  font-size: 46px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: 1px;
  margin-bottom: 18px;
}
.page-hero p {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255,255,255,0.9);
  margin-bottom: 32px;
  max-width: 560px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ===== 按钮 ===== */
.btn {
  border-radius: 10px;
  font-weight: 600;
  padding: 12px 26px;
  font-size: 15px;
  transition: var(--transition);
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #0e4f36;
}
.btn-primary:hover, .btn-primary:focus {
  background: #f7bf55;
  border-color: #f7bf55;
  color: #0e4f36;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(240,169,62,0.35);
}
.btn-outline-light {
  background: transparent;
  border-color: rgba(255,255,255,0.6);
  color: #fff;
}
.btn-outline-light:hover {
  background: rgba(255,255,255,0.12);
  border-color: #fff;
  color: #fff;
}
.btn-outline-accent {
  background: transparent;
  border-color: var(--accent);
  color: var(--accent);
}
.btn-outline-accent:hover {
  background: var(--accent);
  color: #0e4f36;
}
.btn:focus, .btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(240,169,62,0.25);
}

/* ===== 通用板块 ===== */
.section {
  padding: 80px 0;
}
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 44px;
  flex-wrap: wrap;
}
.section-subtitle {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}
.section-head h2 {
  font-size: 34px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: 0.5px;
  line-height: 1.25;
  margin-bottom: 8px;
}
.section-head .lead {
  color: var(--text-secondary);
  font-size: 15px;
  max-width: 480px;
}
.section-more a {
  font-size: 15px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.section-more a:hover { color: var(--accent-dark); }

/* ===== 快讯卡片 ===== */
.news-card {
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  height: 100%;
  border: 1px solid transparent;
}
.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(20,107,74,0.2);
}
.news-card .card-cover {
  height: 210px;
  overflow: hidden;
  position: relative;
}
.news-card .card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.news-card:hover .card-cover img { transform: scale(1.05); }
.news-card .card-body {
  padding: 26px 24px 24px;
}
.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.badge {
  background: var(--primary-light);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
  border: 1px solid rgba(20,107,74,0.15);
}
.badge-accent {
  background: rgba(240,169,62,0.12);
  color: var(--accent-dark);
  border-color: rgba(240,169,62,0.3);
}
.card-date {
  font-size: 13px;
  color: var(--text-secondary);
}
.news-card h3 {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 10px;
  color: var(--text);
}
.news-card .card-text {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-link {
  font-weight: 600;
  font-size: 14px;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}
.card-link:hover { color: var(--accent-dark); gap: 10px; }

/* ===== 分类卡片 ===== */
.category-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 34px 28px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
  height: 100%;
  border: 1px solid var(--border);
  display: block;
}
.category-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(20,107,74,0.28);
}
.category-icon {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin: 0 auto 18px;
  transition: var(--transition);
}
.category-card:hover .category-icon {
  background: var(--primary);
  color: #fff;
  transform: scale(1.06);
}
.category-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}
.category-card p {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 14px;
}
.category-tag {
  display: inline-block;
  font-size: 12px;
  background: var(--bg);
  color: var(--text-secondary);
  padding: 3px 12px;
  border-radius: 20px;
}

/* ===== 数据统计 ===== */
.section-stats {
  background: linear-gradient(135deg, #0d3527, #145b40);
  color: #fff;
  padding: 70px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}
.stat-item {
  text-align: center;
  padding: 30px 20px;
  border-radius: var(--radius);
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.1);
  transition: var(--transition);
}
.stat-item:hover {
  background: rgba(255,255,255,0.14);
  transform: translateY(-4px);
}
.stat-number {
  font-size: 42px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 10px;
}
.stat-label {
  font-size: 14px;
  color: rgba(255,255,255,0.75);
  letter-spacing: 1px;
}
.stat-icon {
  font-size: 24px;
  color: rgba(255,255,255,0.5);
  margin-bottom: 14px;
}

/* ===== 近期赛程 ===== */
.schedule-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.schedule-item {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 24px 28px;
  display: flex;
  align-items: center;
  gap: 20px;
  box-shadow: var(--shadow);
  border-left: 4px solid var(--primary);
  transition: var(--transition);
  flex-wrap: wrap;
}
.schedule-item:hover {
  box-shadow: var(--shadow-lg);
  transform: translateX(4px);
}
.schedule-date {
  background: var(--primary-light);
  border-radius: 12px;
  padding: 10px 16px;
  text-align: center;
  min-width: 76px;
}
.schedule-date .day {
  font-size: 26px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.1;
}
.schedule-date .month {
  font-size: 13px;
  color: var(--text-secondary);
}
.schedule-info { flex: 1; min-width: 200px; }
.schedule-info h4 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 4px;
}
.schedule-info p {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 0;
}
.schedule-status {
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
}

/* ===== 深度观察 ===== */
.insight-card {
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  height: 100%;
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
}
.insight-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.insight-card .insight-cover {
  height: 220px;
  overflow: hidden;
}
.insight-card .insight-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.insight-card:hover .insight-cover img { transform: scale(1.04); }
.insight-body {
  padding: 28px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.insight-body h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.45;
}
.insight-body p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
  flex: 1;
  margin-bottom: 20px;
}
.insight-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.insight-author {
  display: flex;
  align-items: center;
  gap: 10px;
}
.insight-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}
.insight-author span {
  font-size: 14px;
  font-weight: 600;
}

/* ===== FAQ ===== */
.faq-wrapper {
  max-width: 860px;
  margin: 0 auto;
}
.faq-item {
  background: var(--surface);
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
  border: 1px solid var(--border);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover {
  border-color: rgba(20,107,74,0.25);
  box-shadow: var(--shadow);
}
.faq-item summary {
  padding: 20px 26px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "\f078";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  color: var(--primary);
  transition: var(--transition);
  font-size: 14px;
}
.faq-item[open] summary::after {
  transform: rotate(180deg);
}
.faq-item .faq-answer {
  padding: 0 26px 22px;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ===== CTA ===== */
.section-cta {
  background: linear-gradient(135deg, #0d3527, #1a6b4e);
  border-radius: 24px;
  margin: 0 40px 80px;
  padding: 60px 50px;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.section-cta::before {
  content: "";
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(240,169,62,0.15);
  top: -80px;
  right: -60px;
}
.section-cta::after {
  content: "";
  position: absolute;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
  bottom: -60px;
  left: 30px;
}
.cta-inner {
  position: relative;
  z-index: 2;
  max-width: 640px;
}
.cta-inner h2 {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 14px;
}
.cta-inner p {
  font-size: 16px;
  color: rgba(255,255,255,0.85);
  margin-bottom: 30px;
}
.cta-form {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.cta-form .form-control {
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.25);
  color: #fff;
  border-radius: 10px;
  padding: 13px 20px;
  flex: 1;
  min-width: 240px;
  transition: var(--transition);
}
.cta-form .form-control:focus {
  background: rgba(255,255,255,0.18);
  border-color: var(--accent);
  outline: none;
  box-shadow: 0 0 0 3px rgba(240,169,62,0.25);
}
.cta-form .form-control::placeholder { color: rgba(255,255,255,0.5); }

/* ===== 页脚 ===== */
.app-footer {
  background: #0c2e22;
  color: rgba(255,255,255,0.7);
  padding: 60px 0 28px;
  margin-left: var(--sidebar-width);
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}
.footer-brand .brand-logo {
  width: 36px;
  height: 36px;
  font-size: 16px;
  border-radius: 10px;
}
.footer-desc {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  line-height: 1.8;
  max-width: 340px;
}
.footer-title {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  position: relative;
  padding-bottom: 10px;
}
.footer-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 3px;
  background: var(--accent);
  border-radius: 3px;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a {
  color: rgba(255,255,255,0.6);
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}
.footer-links a:hover {
  color: #fff;
  padding-left: 4px;
}
.footer-links a i {
  font-size: 14px;
  color: var(--accent);
}
.footer-copyright {
  margin-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  font-size: 13px;
  color: rgba(255,255,255,0.4);
  text-align: center;
}

/* ===== 响应式 ===== */
@media (max-width: 1199.98px) {
  .page-hero h1 { font-size: 40px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
}
@media (max-width: 991.98px) {
  .app-sidebar { display: none; }
  .app-main { margin-left: 0; }
  .mobile-header { display: flex; }
  .app-footer { margin-left: 0; }
  .section { padding: 60px 0; }
  .page-hero { min-height: 320px; padding: 60px 0 40px; }
  .page-hero h1 { font-size: 34px; }
  .section-cta { margin: 0 20px 60px; padding: 45px 30px; }
  .section-head { margin-bottom: 30px; }
}
@media (max-width: 767.98px) {
  body { font-size: 15px; }
  .section-head h2 { font-size: 26px; }
  .page-hero h1 { font-size: 28px; }
  .page-hero p { font-size: 15px; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .stat-number { font-size: 32px; }
  .schedule-item { padding: 18px 20px; gap: 14px; }
  .schedule-date { min-width: 64px; padding: 8px 12px; }
  .schedule-date .day { font-size: 22px; }
  .cta-inner h2 { font-size: 24px; }
  .cta-form .form-control { min-width: 100%; }
  .cta-form .btn { width: 100%; }
  .footer-copyright { font-size: 12px; }
}
@media (max-width: 575.98px) {
  .section { padding: 48px 0; }
  .page-hero { min-height: auto; padding: 48px 0 36px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .news-card .card-cover { height: 180px; }
  .insight-card .insight-cover { height: 180px; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .stat-item { padding: 20px 12px; }
  .stat-number { font-size: 28px; }
  .section-cta { padding: 36px 22px; border-radius: 18px; }
}

/* roulang page: category3 */
:root {
  --primary: #2563eb;
  --primary-dark: #1e4fa3;
  --secondary: #06b6d4;
  --accent: #f59e0b;
  --sidebar-bg: #0f172a;
  --sidebar-bg-light: #1e293b;
  --bg: #f4f6fb;
  --bg-alt: #ffffff;
  --text: #1e293b;
  --text-body: #475569;
  --text-muted: #94a3b8;
  --border: #e2e8f0;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 6px 24px rgba(15, 23, 42, 0.07);
  --shadow-lg: 0 16px 40px rgba(15, 23, 42, 0.10);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

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

a { color: inherit; text-decoration: none; }
a:hover { color: var(--primary); }
img { max-width: 100%; height: auto; display: block; }
button, input, select { font-family: inherit; }
ul, ol { list-style: none; }
i { font-style: normal; }

.app-shell {
  display: flex;
  min-height: 100vh;
}

.app-sidebar {
  width: 264px;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  background: var(--sidebar-bg);
  z-index: 1050;
  display: flex;
  flex-direction: column;
  padding: 28px 18px 24px;
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 8px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 20px;
}

.brand-logo {
  width: 42px;
  height: 42px;
  border-radius: 13px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 19px;
  flex-shrink: 0;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

.brand-text {
  color: #fff;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.sidebar-nav {
  flex: 1;
}

.nav-label {
  color: rgba(255, 255, 255, 0.4);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 0 12px;
  margin-bottom: 10px;
}

.nav-link-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 14px;
  border-radius: 12px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 15px;
  font-weight: 500;
  margin-bottom: 4px;
  transition: var(--transition);
  position: relative;
  border: 1px solid transparent;
}

.nav-link-item i {
  width: 20px;
  text-align: center;
  font-size: 16px;
  flex-shrink: 0;
}

.nav-link-item:hover {
  background: rgba(255, 255, 255, 0.07);
  color: #fff;
  transform: translateX(4px);
}

.nav-link-item.active {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.25), rgba(6, 182, 212, 0.15));
  color: #fff;
  border-color: rgba(37, 99, 235, 0.3);
}

.nav-link-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 22px;
  border-radius: 0 4px 4px 0;
  background: linear-gradient(180deg, var(--primary), var(--secondary));
}

.sidebar-footer {
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.btn-sidebar-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 12px 16px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  border: none;
  transition: var(--transition);
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
}

.btn-sidebar-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(37, 99, 235, 0.4);
  color: #fff;
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  z-index: 1045;
  backdrop-filter: blur(2px);
}

.app-main {
  margin-left: 264px;
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.mobile-topbar {
  display: none;
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  height: 62px;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  z-index: 1030;
}

.mobile-topbar .menu-toggle {
  background: none;
  border: none;
  font-size: 22px;
  color: var(--text);
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.mobile-topbar .menu-toggle:hover {
  background: var(--bg);
}

.mobile-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 16px;
}

.mobile-brand .brand-logo {
  width: 34px;
  height: 34px;
  font-size: 15px;
  border-radius: 10px;
}

/* ===== Category Hero ===== */
.category-hero {
  position: relative;
  padding: 72px 0 84px;
  background-size: cover;
  background-position: center 35%;
  color: #fff;
  overflow: hidden;
}

.category-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(15, 23, 42, 0.92) 0%, rgba(15, 23, 42, 0.72) 55%, rgba(15, 23, 42, 0.4) 100%);
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.22);
  padding: 6px 14px;
  border-radius: 30px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.5px;
  backdrop-filter: blur(8px);
  margin-bottom: 20px;
}

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

.category-hero h1 {
  font-size: 44px;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
  line-height: 1.2;
}

.category-hero .hero-lead {
  font-size: 17px;
  max-width: 640px;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.8;
  margin-bottom: 0;
}

.breadcrumb-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.breadcrumb-nav a {
  color: rgba(255, 255, 255, 0.8);
  transition: var(--transition);
}

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

.breadcrumb-nav .fa-chevron-right {
  font-size: 11px;
  opacity: 0.6;
}

/* ===== Section ===== */
.section-block {
  padding: 88px 0;
  background: var(--bg);
}

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

.section-block.section-deep {
  background: var(--sidebar-bg);
  color: #fff;
}

.section-head {
  max-width: 680px;
  margin-bottom: 52px;
}

.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-tag {
  display: inline-block;
  background: rgba(37, 99, 235, 0.12);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 30px;
  letter-spacing: 0.5px;
  margin-bottom: 14px;
  border: 1px solid rgba(37, 99, 235, 0.15);
}

.section-head h2 {
  font-size: 32px;
  font-weight: 800;
  color: var(--text);
  line-height: 1.3;
  margin-bottom: 14px;
  letter-spacing: -0.3px;
}

.section-head p {
  color: var(--text-body);
  font-size: 15px;
  line-height: 1.8;
}

/* ===== Benefit Cards (权益概览) ===== */
.benefit-card {
  background: var(--bg-alt);
  border-radius: var(--radius);
  padding: 32px 28px;
  height: 100%;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.benefit-card::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 100px;
  height: 100px;
  background: radial-gradient(circle at top right, rgba(37, 99, 235, 0.06), transparent 70%);
  border-radius: 0 0 0 100px;
  transition: var(--transition);
}

.benefit-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(37, 99, 235, 0.3);
}

.benefit-card:hover::after {
  transform: scale(1.4);
}

.benefit-icon {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.12), rgba(6, 182, 212, 0.12));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--primary);
  margin-bottom: 20px;
  transition: var(--transition);
}

.benefit-card:hover .benefit-icon {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  transform: scale(1.06) rotate(-4deg);
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.25);
}

.benefit-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
}

.benefit-card p {
  color: var(--text-body);
  font-size: 14px;
  line-height: 1.7;
  margin: 0;
}

.benefit-meta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  background: rgba(37, 99, 235, 0.08);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
}

/* ===== Plan Cards (会员等级) ===== */
.plan-card {
  background: var(--bg-alt);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 32px 28px;
  height: 100%;
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
}

.plan-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.plan-card.featured {
  border-color: var(--primary);
  box-shadow: 0 8px 32px rgba(37, 99, 235, 0.14);
}

.plan-card.featured .plan-name {
  color: var(--primary);
}

.plan-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 3px 14px;
  border-radius: 20px;
  letter-spacing: 0.5px;
  white-space: nowrap;
  box-shadow: 0 4px 10px rgba(37, 99, 235, 0.3);
}

.plan-name {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}

.plan-price {
  font-size: 36px;
  font-weight: 800;
  color: var(--text);
  line-height: 1.2;
  margin-bottom: 4px;
}

.plan-price small {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
}

.plan-desc {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 20px;
  border-bottom: 1px dashed var(--border);
  padding-bottom: 18px;
}

.plan-features {
  flex: 1;
  margin-bottom: 24px;
}

.plan-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--text-body);
  padding: 5px 0;
  line-height: 1.5;
}

.plan-features li i {
  color: var(--primary);
  font-size: 14px;
  margin-top: 3px;
  flex-shrink: 0;
}

.plan-features li.disabled {
  color: #cbd5e1;
}

.plan-features li.disabled i {
  color: #cbd5e1;
}

.btn-plan {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 20px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 600;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  transition: var(--transition);
  text-align: center;
}

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

.btn-plan.solid {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  border: none;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.25);
}

.btn-plan.solid:hover {
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.35);
}

/* ===== Cover Cards (热门福利) ===== */
.cover-card {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: var(--transition);
  height: 100%;
}

.cover-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.cover-thumb {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.cover-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.cover-card:hover .cover-thumb img {
  transform: scale(1.05);
}

.cover-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(15, 23, 42, 0.45));
  opacity: 0;
  transition: var(--transition);
}

.cover-card:hover .cover-thumb::after {
  opacity: 1;
}

.cover-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(6px);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
  z-index: 2;
}

.cover-body {
  padding: 24px;
}

.cover-body h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
}

.cover-body p {
  color: var(--text-body);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 16px;
}

.cover-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  transition: var(--transition);
}

.cover-link:hover {
  gap: 12px;
  color: var(--primary-dark);
}

/* ===== Stats ===== */
.section-stats {
  position: relative;
  padding: 88px 0;
  background-size: cover;
  background-position: center;
  color: #fff;
}

.section-stats::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.93), rgba(15, 23, 42, 0.82));
}

.section-stats .container-fluid {
  position: relative;
  z-index: 2;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.stat-item {
  text-align: center;
  padding: 28px 16px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  backdrop-filter: blur(6px);
  transition: var(--transition);
}

.stat-item:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-4px);
}

.stat-number {
  font-size: 44px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 6px;
  background: linear-gradient(135deg, #fff, #c7d2fe);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.75);
  font-weight: 500;
}

/* ===== Steps (成长路径) ===== */
.steps-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  margin-top: 20px;
}

.step-item {
  position: relative;
  text-align: center;
  padding: 36px 24px;
  background: var(--bg-alt);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.step-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.step-num {
  width: 46px;
  height: 46px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.28);
}

.step-item h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
}

.step-item p {
  color: var(--text-body);
  font-size: 14px;
  line-height: 1.6;
  margin: 0;
}

.step-arrow {
  position: absolute;
  top: 50%;
  right: -24px;
  transform: translateY(-50%);
  color: var(--border);
  font-size: 20px;
  z-index: 2;
}

/* ===== FAQ ===== */
.faq-wrap {
  background: var(--bg-alt);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  overflow: hidden;
}

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

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

.faq-item:not(:last-child) {
  border-bottom: 1px solid var(--border);
}

.faq-question {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 22px 28px;
  cursor: pointer;
  transition: var(--transition);
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  background: none;
  border: none;
  width: 100%;
  text-align: left;
}

.faq-question:hover {
  background: rgba(37, 99, 235, 0.03);
}

.faq-question .faq-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(37, 99, 235, 0.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
  transition: var(--transition);
}

.faq-question.active .faq-icon {
  background: var(--primary);
  color: #fff;
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-answer-inner {
  padding: 0 28px 24px 74px;
  color: var(--text-body);
  font-size: 15px;
  line-height: 1.8;
}

/* ===== CTA ===== */
.section-cta {
  padding: 80px 0;
}

.cta-card {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 24px;
  padding: 56px 48px;
  color: #fff;
  position: relative;
  overflow: hidden;
  text-align: center;
}

.cta-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
}

.cta-card::after {
  content: '';
  position: absolute;
  bottom: -60%;
  left: -10%;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
}

.cta-card > * {
  position: relative;
  z-index: 2;
}

.cta-card h2 {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 14px;
}

.cta-card p {
  font-size: 16px;
  opacity: 0.9;
  max-width: 540px;
  margin: 0 auto 28px;
  line-height: 1.7;
}

.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #fff;
  color: var(--primary);
  font-size: 16px;
  font-weight: 700;
  padding: 14px 32px;
  border-radius: 50px;
  border: none;
  transition: var(--transition);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.btn-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.22);
  color: var(--primary-dark);
}

/* ===== Footer ===== */
.app-footer {
  background: var(--sidebar-bg);
  color: rgba(255, 255, 255, 0.75);
  padding: 56px 0 32px;
  margin-top: auto;
}

.app-footer .container-fluid {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 28px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 19px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}

.footer-desc {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.6);
  max-width: 320px;
}

.footer-title {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}

.footer-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 2px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.65);
  font-size: 14px;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.footer-links a:hover {
  color: #fff;
  transform: translateX(4px);
}

.footer-copyright {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 44px;
  padding-top: 24px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
  text-align: center;
}

/* ===== Responsive ===== */
@media (max-width: 1199.98px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .steps-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
  }
  .step-arrow {
    display: none;
  }
}

@media (max-width: 991.98px) {
  .app-sidebar {
    transform: translateX(-100%);
    width: 280px;
    box-shadow: none;
  }
  .app-sidebar.open {
    transform: translateX(0);
    box-shadow: 0 0 60px rgba(0, 0, 0, 0.35);
  }
  .sidebar-overlay.show {
    display: block;
  }
  .app-main {
    margin-left: 0;
  }
  .mobile-topbar {
    display: flex;
  }
  .section-block {
    padding: 64px 0;
  }
  .category-hero {
    padding: 56px 0 68px;
  }
  .category-hero h1 {
    font-size: 34px;
  }
  .section-head h2 {
    font-size: 26px;
  }
  .cta-card {
    padding: 40px 28px;
  }
  .cta-card h2 {
    font-size: 26px;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767.98px) {
  .section-block {
    padding: 52px 0;
  }
  .category-hero {
    padding: 44px 0 54px;
  }
  .category-hero h1 {
    font-size: 28px;
  }
  .category-hero .hero-lead {
    font-size: 15px;
  }
  .section-head {
    margin-bottom: 36px;
  }
  .section-head h2 {
    font-size: 22px;
  }
  .steps-row {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }
  .stat-number {
    font-size: 32px;
  }
  .cta-card {
    padding: 36px 20px;
    border-radius: 18px;
  }
  .cta-card h2 {
    font-size: 22px;
  }
  .app-footer {
    padding: 44px 0 24px;
  }
  .app-footer .container-fluid {
    padding: 0 20px;
  }
  .faq-question {
    padding: 18px 20px;
    font-size: 15px;
  }
  .faq-answer-inner {
    padding: 0 20px 20px 62px;
  }
  .plan-card {
    padding: 26px 20px;
  }
  .benefit-card {
    padding: 26px 22px;
  }
}

@media (max-width: 519.98px) {
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  .stat-item {
    padding: 20px 10px;
  }
  .stat-number {
    font-size: 28px;
  }
  .steps-row {
    gap: 16px;
  }
  .step-item {
    padding: 28px 18px;
  }
  .cta-card h2 {
    font-size: 20px;
  }
  .btn-cta {
    width: 100%;
    justify-content: center;
  }
  .mobile-topbar {
    padding: 0 14px;
  }
}