/* roulang page: index */
:root{
        --primary:#0e1f3d;
        --primary-deep:#081528;
        --accent:#1e6feb;
        --accent-hover:#1557c9;
        --gold:#e8a94e;
        --bg:#f6f8fc;
        --bg-soft:#eef2f8;
        --card:#ffffff;
        --text:#20293a;
        --text-weak:#5c6b82;
        --text-mute:#8494ab;
        --border:#e2e8f0;
        --border-strong:#ccd6e3;
        --radius-sm:8px;
        --radius-md:14px;
        --radius-lg:20px;
        --shadow-sm:0 1px 3px rgba(14,31,61,.06),0 2px 8px rgba(14,31,61,.05);
        --shadow-md:0 4px 16px rgba(14,31,61,.08),0 8px 28px rgba(14,31,61,.06);
        --shadow-lg:0 12px 40px rgba(14,31,61,.12),0 20px 60px rgba(14,31,61,.08);
        --font-sans:'PingFang SC','Microsoft YaHei','Noto Sans SC',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
        --transition:all .25s cubic-bezier(.4,0,.2,1);
        --nav-h:72px;
        --max-w:1180px;
    }
    *,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
        font-family:var(--font-sans);
        font-size:16px;
        line-height:1.7;
        color:var(--text);
        background:var(--bg);
        -webkit-font-smoothing:antialiased;
        -moz-osx-font-smoothing:grayscale;
    }
    a{text-decoration:none;color:inherit;transition:var(--transition)}
    img{max-width:100%;display:block}
    button,input,select,textarea{font-family:inherit;font-size:inherit}
    button{cursor:pointer;border:none;background:none}
    :focus-visible{outline:2px solid var(--accent);outline-offset:2px}
    .container{max-width:var(--max-w);margin:0 auto;padding:0 24px}
    .section-pad{padding:64px 0}
    .section-pad-sm{padding:40px 0}
    .section-alt{background:var(--bg-soft)}
    .section-dark{background:var(--primary);color:#fff}
    .section-head{margin-bottom:36px}
    .section-head .tag{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);background:rgba(30,111,235,.08);padding:6px 14px;border-radius:999px;margin-bottom:14px}
    .section-head .tag i{font-size:12px}
    .section-head h2{font-size:clamp(24px,3.2vw,34px);font-weight:700;color:var(--text);line-height:1.35;margin-bottom:12px}
    .section-head p{font-size:16px;color:var(--text-weak);max-width:700px;line-height:1.8}
    .section-head.center{text-align:center}
    .section-head.center p{margin:0 auto}
    /* Header / Navigation */
    .site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border);height:var(--nav-h);display:flex;align-items:center}
    .nav-row{display:flex;align-items:center;justify-content:space-between;gap:20px}
    .nav-logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:700;color:var(--primary);white-space:nowrap}
    .nav-logo .logo-badge{width:38px;height:38px;background:var(--primary);color:#fff;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;flex-shrink:0}
    .nav-logo span{color:var(--accent)}
    .nav-chips{display:flex;align-items:center;gap:6px;background:var(--bg-soft);border:1px solid var(--border);border-radius:999px;padding:4px}
    .nav-chips a{display:inline-flex;align-items:center;gap:6px;padding:8px 20px;border-radius:999px;font-size:14px;font-weight:600;color:var(--text-weak);transition:var(--transition)}
    .nav-chips a:hover{color:var(--accent);background:rgba(30,111,235,.07)}
    .nav-chips a.active{background:var(--primary);color:#fff}
    .nav-chips a.active:hover{color:#fff;background:var(--primary-deep)}
    .nav-cta{display:flex;align-items:center;gap:10px}
    .nav-cta .btn{white-space:nowrap}
    .nav-toggle{display:none;background:var(--primary);color:#fff;width:40px;height:40px;border-radius:10px;font-size:18px;align-items:center;justify-content:center}
    /* Buttons */
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 26px;border-radius:10px;font-size:15px;font-weight:600;line-height:1.4;transition:var(--transition);text-align:center}
    .btn i{font-size:14px}
    .btn-primary{background:var(--accent);color:#fff;box-shadow:0 4px 14px rgba(30,111,235,.3)}
    .btn-primary:hover{background:var(--accent-hover);color:#fff;box-shadow:0 6px 20px rgba(30,111,235,.4);transform:translateY(-1px)}
    .btn-primary:active{transform:translateY(0)}
    .btn-outline{background:transparent;color:var(--primary);border:1.5px solid var(--border-strong)}
    .btn-outline:hover{border-color:var(--accent);color:var(--accent);background:rgba(30,111,235,.05)}
    .btn-ghost{background:transparent;color:var(--text-weak)}
    .btn-ghost:hover{color:var(--accent);background:rgba(30,111,235,.06)}
    .btn-light{background:#fff;color:var(--primary);box-shadow:0 4px 16px rgba(0,0,0,.18)}
    .btn-light:hover{background:#f0f4ff;color:var(--accent);box-shadow:0 6px 22px rgba(0,0,0,.22);transform:translateY(-1px)}
    .btn-gold{background:var(--gold);color:var(--primary-deep);box-shadow:0 4px 14px rgba(232,169,78,.35)}
    .btn-gold:hover{background:#d99a3d;color:var(--primary-deep);transform:translateY(-1px)}
    .btn-sm{padding:8px 18px;font-size:13px;border-radius:8px}
    .btn-lg{padding:14px 34px;font-size:16px;border-radius:12px}
    /* Hero */
    .hero{position:relative;padding:72px 0 60px;background:var(--primary);color:#fff;overflow:hidden;min-height:calc(100vh - var(--nav-h));display:flex;align-items:center}
    .hero-bg{position:absolute;inset:0;background:url('/assets/images/9028e8e8b77027df.jpg') center/cover no-repeat;opacity:.32;z-index:1}
    .hero-overlay{position:absolute;inset:0;background:linear-gradient(160deg,rgba(14,31,61,.85) 0%,rgba(8,21,40,.65) 60%,rgba(14,31,61,.8) 100%);z-index:2}
    .hero .container{position:relative;z-index:3;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
    .hero-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--gold);background:rgba(232,169,78,.14);padding:7px 16px;border-radius:999px;margin-bottom:20px;letter-spacing:.08em}
    .hero-tag i{font-size:12px}
    .hero h1{font-size:clamp(28px,4vw,42px);font-weight:700;line-height:1.25;color:#fff;margin-bottom:18px}
    .hero h1 em{font-style:normal;color:var(--gold)}
    .hero-desc{font-size:clamp(15px,1.6vw,17px);color:rgba(255,255,255,.82);line-height:1.85;max-width:580px;margin-bottom:28px}
    .hero-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
    .hero-meta{display:flex;align-items:center;gap:28px;margin-top:28px;padding-top:24px;border-top:1px solid rgba(255,255,255,.15)}
    .hero-meta .meta-item{display:flex;flex-direction:column;gap:2px}
    .hero-meta .meta-num{font-size:24px;font-weight:700;color:#fff}
    .hero-meta .meta-label{font-size:13px;color:rgba(255,255,255,.65)}
    /* Hero Slot Panel */
    .hero-panel{background:rgba(255,255,255,.07);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.15);border-radius:var(--radius-lg);padding:28px;box-shadow:0 20px 50px rgba(0,0,0,.28)}
    .hero-panel .panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
    .hero-panel .panel-title{font-size:17px;font-weight:700;color:#fff}
    .hero-panel .panel-badge{font-size:12px;font-weight:600;color:var(--gold);background:rgba(232,169,78,.16);padding:4px 12px;border-radius:999px}
    .slot-list{display:flex;flex-direction:column;gap:10px}
    .slot-item{display:flex;align-items:center;gap:13px;background:rgba(255,255,255,.06);border-radius:var(--radius-sm);padding:12px 16px;transition:var(--transition)}
    .slot-item:hover{background:rgba(255,255,255,.12)}
    .slot-time{font-size:13px;font-weight:700;color:var(--gold);min-width:54px}
    .slot-info{flex:1}
    .slot-info .slot-name{font-size:14px;font-weight:600;color:#fff}
    .slot-info .slot-desc{font-size:12px;color:rgba(255,255,255,.6)}
    .slot-status{font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px;white-space:nowrap}
    .slot-status.open{background:rgba(34,197,94,.22);color:#4ade80}
    .slot-status.full{background:rgba(239,68,68,.22);color:#f87171}
    /* Feature Cards */
    .feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
    .feature-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-md);padding:26px;box-shadow:var(--shadow-sm);transition:var(--transition);position:relative;overflow:hidden}
    .feature-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px);border-color:var(--border-strong)}
    .feature-card .icon-wrap{width:50px;height:50px;background:rgba(30,111,235,.1);color:var(--accent);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:16px}
    .feature-card h3{font-size:17px;font-weight:700;color:var(--text);margin-bottom:10px}
    .feature-card p{font-size:14px;color:var(--text-weak);line-height:1.75}
    /* Security / Compliance */
    .security-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px}
    .security-item{display:flex;align-items:center;gap:14px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-md);padding:18px 20px;box-shadow:var(--shadow-sm)}
    .security-item i{font-size:22px;color:var(--accent);width:40px;height:40px;background:rgba(30,111,235,.08);border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
    .security-item .sec-title{font-size:15px;font-weight:700;color:var(--text)}
    .security-item .sec-desc{font-size:13px;color:var(--text-weak)}
    /* Check Items */
    .check-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px}
    .check-item{display:flex;align-items:flex-start;gap:12px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-md);padding:18px 20px;box-shadow:var(--shadow-sm)}
    .check-item .check-icon{width:26px;height:26px;background:rgba(34,197,94,.12);color:#16a34a;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:13px;flex-shrink:0;margin-top:2px}
    .check-item h4{font-size:15px;font-weight:700;color:var(--text);margin-bottom:6px}
    .check-item p{font-size:13px;color:var(--text-weak);line-height:1.7}
    /* Badges */
    .badge-row{display:flex;flex-wrap:wrap;gap:12px}
    .compliance-badge{display:inline-flex;align-items:center;gap:10px;background:var(--card);border:1px solid var(--border);border-radius:999px;padding:9px 20px;font-size:13px;font-weight:600;color:var(--text);box-shadow:var(--shadow-sm)}
    .compliance-badge i{color:#16a34a;font-size:14px}
    .compliance-badge:hover{border-color:var(--accent);color:var(--accent)}
    /* Boundary / Notice */
    .boundary-box{background:var(--card);border:1px solid var(--border);border-left:4px solid var(--accent);border-radius:var(--radius-md);padding:28px 32px;box-shadow:var(--shadow-sm)}
    .boundary-box h3{font-size:18px;font-weight:700;color:var(--text);margin-bottom:14px}
    .boundary-box p{font-size:14px;color:var(--text-weak);line-height:1.8;margin-bottom:0}
    .boundary-box ul{margin:12px 0 0;padding-left:0;list-style:none}
    .boundary-box li{font-size:14px;color:var(--text-weak);line-height:1.7;position:relative;padding-left:22px;margin-bottom:6px}
    .boundary-box li::before{content:"•";position:absolute;left:4px;color:var(--accent);font-weight:700}
    /* Stats */
    .stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px}
    .stat-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-md);padding:24px;text-align:center;box-shadow:var(--shadow-sm)}
    .stat-card .stat-num{font-size:32px;font-weight:700;color:var(--accent);line-height:1.2}
    .stat-card .stat-label{font-size:14px;color:var(--text-weak);margin-top:6px}
    /* Content List / CMS */
    .content-layout{display:grid;grid-template-columns:1.4fr .6fr;gap:28px}
    .content-main-list{display:flex;flex-direction:column;gap:14px}
    .content-item{display:flex;gap:16px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-md);padding:16px;box-shadow:var(--shadow-sm);transition:var(--transition)}
    .content-item:hover{box-shadow:var(--shadow-md);border-color:var(--border-strong);transform:translateY(-2px)}
    .content-item .thumb{width:120px;height:76px;border-radius:var(--radius-sm);overflow:hidden;flex-shrink:0}
    .content-item .thumb img{width:100%;height:100%;object-fit:cover}
    .content-item .item-body{flex:1;min-width:0}
    .content-item .item-cat{font-size:12px;font-weight:600;color:var(--accent);margin-bottom:4px}
    .content-item h3{font-size:15px;font-weight:700;color:var(--text);margin-bottom:5px;line-height:1.5}
    .content-item .item-excerpt{font-size:13px;color:var(--text-weak);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
    .content-item .item-time{font-size:12px;color:var(--text-mute);margin-top:4px}
    .sidebar-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-md);padding:22px;box-shadow:var(--shadow-sm)}
    .sidebar-card h3{font-size:16px;font-weight:700;color:var(--text);margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--border)}
    .sidebar-item{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid var(--border);transition:var(--transition)}
    .sidebar-item:last-child{border-bottom:none}
    .sidebar-item:hover{opacity:.8}
    .sidebar-item .s-thumb{width:64px;height:44px;border-radius:6px;overflow:hidden;flex-shrink:0}
    .sidebar-item .s-thumb img{width:100%;height:100%;object-fit:cover}
    .sidebar-item .s-title{font-size:13px;font-weight:600;color:var(--text);line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
    /* Topic Cards */
    .topic-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:18px}
    .topic-card{display:flex;gap:16px;align-items:center;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-md);padding:20px 22px;box-shadow:var(--shadow-sm);transition:var(--transition)}
    .topic-card:hover{box-shadow:var(--shadow-md);border-color:var(--accent);transform:translateY(-3px)}
    .topic-card .t-icon{width:48px;height:48px;background:rgba(30,111,235,.09);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--accent);flex-shrink:0}
    .topic-card .t-info h4{font-size:15px;font-weight:700;color:var(--text);margin-bottom:4px}
    .topic-card .t-info p{font-size:13px;color:var(--text-weak);margin-bottom:0;line-height:1.6}
    /* Entry Matrix */
    .entry-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px}
    .entry-btn{display:flex;align-items:center;justify-content:center;gap:10px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-md);padding:18px 16px;font-size:14px;font-weight:600;color:var(--text);box-shadow:var(--shadow-sm);transition:var(--transition)}
    .entry-btn i{font-size:18px;color:var(--accent)}
    .entry-btn:hover{border-color:var(--accent);color:var(--accent);box-shadow:var(--shadow-md);transform:translateY(-2px)}
    /* Tags */
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud a{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--text-weak);background:var(--card);border:1px solid var(--border);border-radius:999px;padding:8px 18px;transition:var(--transition);box-shadow:var(--shadow-sm)}
    .tag-cloud a:hover{color:var(--accent);border-color:var(--accent);background:rgba(30,111,235,.06)}
    .tag-cloud a i{font-size:11px;color:var(--accent)}
    /* Membership */
    .member-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
    .member-item{display:flex;align-items:center;gap:14px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-md);padding:18px 20px;box-shadow:var(--shadow-sm)}
    .member-item i{font-size:20px;color:var(--gold);width:42px;height:42px;background:rgba(232,169,78,.12);border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
    .member-item h4{font-size:15px;font-weight:700;color:var(--text);margin-bottom:4px}
    .member-item p{font-size:13px;color:var(--text-weak);margin-bottom:0}
    /* Trust */
    .trust-grid{display:flex;flex-wrap:wrap;gap:14px}
    .trust-item{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:600;color:var(--text-weak);background:var(--card);border:1px solid var(--border);border-radius:999px;padding:10px 22px;box-shadow:var(--shadow-sm)}
    .trust-item i{color:#16a34a}
    /* FAQ */
    .faq-list{max-width:800px;margin:0 auto}
    .faq-item{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-md);margin-bottom:12px;box-shadow:var(--shadow-sm);overflow:hidden}
    .faq-item details summary{list-style:none;padding:18px 24px;font-weight:700;font-size:15px;color:var(--text);cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;transition:var(--transition)}
    .faq-item details summary::-webkit-details-marker{display:none}
    .faq-item details summary:hover{color:var(--accent)}
    .faq-item details summary::after{content:"\f078";font-family:'Font Awesome 6 Free';font-weight:900;font-size:13px;color:var(--text-mute);transition:var(--transition);flex-shrink:0}
    .faq-item details[open] summary::after{transform:rotate(180deg);color:var(--accent)}
    .faq-item details .faq-answer{padding:0 24px 20px;font-size:14px;color:var(--text-weak);line-height:1.8}
    .faq-item details .faq-answer p{margin-bottom:0}
    /* CTA */
    .cta-box{background:var(--primary);border-radius:var(--radius-lg);padding:48px;color:#fff;text-align:center;box-shadow:var(--shadow-lg);position:relative;overflow:hidden}
    .cta-box::before{content:"";position:absolute;inset:0;background:url('/assets/images/e99636102b6258bc.jpg') center/cover no-repeat;opacity:.15;z-index:1}
    .cta-box>*{position:relative;z-index:2}
    .cta-box h2{font-size:clamp(22px,3vw,30px);font-weight:700;color:#fff;margin-bottom:14px}
    .cta-box p{font-size:15px;color:rgba(255,255,255,.8);max-width:560px;margin:0 auto 24px;line-height:1.8}
    /* Footer */
    .site-footer{background:var(--primary-deep);color:rgba(255,255,255,.7);padding:48px 0 28px}
    .footer-row{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:36px;margin-bottom:32px}
    .footer-brand h3{font-size:18px;font-weight:700;color:#fff;margin-bottom:10px}
    .footer-brand p{font-size:13px;line-height:1.8;color:rgba(255,255,255,.55)}
    .footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px}
    .footer-col ul{list-style:none;padding:0;margin:0}
    .footer-col ul li{margin-bottom:8px}
    .footer-col ul a{font-size:13px;color:rgba(255,255,255,.55);transition:var(--transition)}
    .footer-col ul a:hover{color:#fff}
    .footer-bottom{display:flex;align-items:center;justify-content:space-between;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:rgba(255,255,255,.5);flex-wrap:wrap;gap:12px}
    .footer-bottom a{color:rgba(255,255,255,.5)}
    .footer-bottom a:hover{color:#fff}
    /* Responsive */
    @media(max-width:1024px){
        .hero .container{grid-template-columns:1fr;gap:32px}
        .hero{text-align:center;padding:48px 0 40px}
        .hero-desc{margin:0 auto 24px}
        .hero-actions{justify-content:center}
        .hero-meta{justify-content:center}
        .hero-panel{text-align:left;max-width:480px;margin:0 auto}
        .content-layout{grid-template-columns:1fr}
        .footer-row{grid-template-columns:1fr 1fr}
    }
    @media(max-width:768px){
        .section-pad{padding:40px 0}
        .section-pad-sm{padding:28px 0}
        .nav-chips{display:none}
        .nav-toggle{display:flex}
        .nav-chips.mobile-open{display:flex;position:absolute;top:var(--nav-h);left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;border-radius:0;padding:12px 20px;box-shadow:0 20px 40px rgba(0,0,0,.1);border:1px solid var(--border)}
        .nav-chips.mobile-open a{padding:12px 16px;border-radius:10px}
        .nav-cta .btn-outline{display:none}
        .content-item{flex-direction:row}
        .content-item .thumb{width:90px;height:64px}
        .footer-row{grid-template-columns:1fr;gap:24px}
        .footer-bottom{flex-direction:column;text-align:center}
        .hero h1{font-size:26px}
        .cta-box{padding:32px 20px}
        .boundary-box{padding:20px}
    }
    @media(max-width:520px){
        .container{padding:0 16px}
        .hero{padding:36px 0 28px;min-height:auto}
        .hero h1{font-size:23px}
        .hero-desc{font-size:14px}
        .hero-meta{gap:16px;flex-wrap:wrap}
        .hero-meta .meta-num{font-size:20px}
        .hero-panel{padding:18px}
        .content-item .thumb{width:70px;height:54px}
        .content-item h3{font-size:13px}
        .content-item .item-excerpt{font-size:12px;-webkit-line-clamp:1}
        .section-head h2{font-size:21px}
        .stat-card .stat-num{font-size:26px}
        .topic-card{flex-direction:column;text-align:center;padding:18px}
        .btn-lg{padding:12px 26px;font-size:15px}
        .site-header{height:64px}
        .nav-logo{font-size:17px}
        .nav-logo .logo-badge{width:32px;height:32px;font-size:13px;border-radius:8px}
    }

/* roulang page: category1 */
:root{
            --primary:#0e1f3d;
            --primary-deep:#081528;
            --accent:#1e6feb;
            --accent-hover:#1557c9;
            --gold:#e8a94e;
            --bg:#f6f8fc;
            --bg-soft:#eef2f8;
            --card:#ffffff;
            --text:#20293a;
            --text-weak:#5c6b82;
            --text-mute:#8494ab;
            --border:#e2e8f0;
            --border-strong:#ccd6e3;
            --radius-sm:8px;
            --radius-md:14px;
            --radius-lg:20px;
            --shadow-sm:0 1px 3px rgba(14,31,61,.06),0 2px 8px rgba(14,31,61,.05);
            --shadow-md:0 4px 16px rgba(14,31,61,.08),0 8px 28px rgba(14,31,61,.06);
            --shadow-lg:0 12px 40px rgba(14,31,61,.12),0 20px 60px rgba(14,31,61,.08);
            --font-sans:'PingFang SC','Microsoft YaHei','Noto Sans SC',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
            --transition:all .25s cubic-bezier(.4,0,.2,1);
            --nav-h:72px;
            --max-w:1180px;
        }
        html{scroll-behavior:smooth}
        body{
            font-family:var(--font-sans);
            font-size:16px;
            line-height:1.7;
            color:var(--text);
            background:var(--bg);
            -webkit-font-smoothing:antialiased;
            -moz-osx-font-smoothing:grayscale;
        }
        a{text-decoration:none;color:inherit;transition:var(--transition)}
        img{max-width:100%;display:block}
        button,input,select,textarea{font-family:inherit;font-size:inherit}
        button{cursor:pointer;border:none;background:none}
        .container{max-width:var(--max-w);margin:0 auto;padding:0 24px}
        .section-pad{padding:64px 0}
        .section-pad-sm{padding:40px 0}
        .section-alt{background:var(--bg-soft)}
        .section-dark{background:var(--primary);color:#fff}
        .section-head{margin-bottom:36px}
        .section-head .tag{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);background:rgba(30,111,235,.08);padding:6px 14px;border-radius:999px;margin-bottom:14px}
        .section-head .tag i{font-size:12px}
        .section-head h2{font-size:clamp(24px,3.2vw,34px);font-weight:700;color:var(--text);line-height:1.35;margin-bottom:12px}
        .section-head p{font-size:16px;color:var(--text-weak);max-width:700px;line-height:1.8}
        .section-head.center{text-align:center}
        .section-head.center p{margin:0 auto}
        /* Header / Navigation */
        .site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border);height:var(--nav-h);display:flex;align-items:center}
        .nav-row{display:flex;align-items:center;justify-content:space-between;gap:20px}
        .nav-logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:700;color:var(--primary);white-space:nowrap}
        .nav-logo .logo-badge{width:38px;height:38px;background:var(--primary);color:#fff;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;flex-shrink:0}
        .nav-logo span{color:var(--accent)}
        .nav-chips{display:flex;align-items:center;gap:6px;background:var(--bg-soft);border:1px solid var(--border);border-radius:999px;padding:4px}
        .nav-chips a{display:inline-flex;align-items:center;gap:6px;padding:8px 20px;border-radius:999px;font-size:14px;font-weight:600;color:var(--text-weak);transition:var(--transition)}
        .nav-chips a:hover{color:var(--accent);background:rgba(30,111,235,.07)}
        .nav-chips a.active{background:var(--primary);color:#fff}
        .nav-chips a.active:hover{color:#fff;background:var(--primary-deep)}
        .nav-cta{display:flex;align-items:center;gap:10px}
        .nav-cta .btn{white-space:nowrap}
        .nav-toggle{display:none;background:var(--primary);color:#fff;width:40px;height:40px;border-radius:10px;font-size:18px;align-items:center;justify-content:center}
        /* Buttons */
        .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 26px;border-radius:10px;font-size:15px;font-weight:600;line-height:1.4;transition:var(--transition);text-align:center}
        .btn i{font-size:14px}
        .btn-primary{background:var(--accent);color:#fff;box-shadow:0 4px 14px rgba(30,111,235,.3)}
        .btn-primary:hover{background:var(--accent-hover);color:#fff;box-shadow:0 6px 20px rgba(30,111,235,.4);transform:translateY(-1px)}
        .btn-primary:active{transform:translateY(0)}
        .btn-outline{background:transparent;color:var(--primary);border:1.5px solid var(--border-strong)}
        .btn-outline:hover{border-color:var(--accent);color:var(--accent);background:rgba(30,111,235,.05)}
        .btn-ghost{background:transparent;color:var(--text-weak)}
        .btn-ghost:hover{color:var(--accent);background:rgba(30,111,235,.06)}
        .btn-light{background:#fff;color:var(--primary);box-shadow:0 4px 16px rgba(0,0,0,.18)}
        .btn-light:hover{background:#f0f4ff;color:var(--accent);box-shadow:0 6px 22px rgba(0,0,0,.22);transform:translateY(-1px)}
        .btn-gold{background:var(--gold);color:var(--primary-deep);box-shadow:0 4px 14px rgba(232,169,78,.35)}
        .btn-gold:hover{background:#d99a3d;color:var(--primary-deep);transform:translateY(-1px)}
        .btn-sm{padding:8px 18px;font-size:13px;border-radius:8px}
        .btn-lg{padding:14px 34px;font-size:16px;border-radius:12px}
        /* Hero - Bento Category */
        .cat-hero{position:relative;padding:64px 0 56px;background:var(--primary);color:#fff;overflow:hidden}
        .cat-hero-bg{position:absolute;inset:0;background:url('/assets/images/9028e8e8b77027df.jpg') center/cover no-repeat;opacity:.28;z-index:1}
        .cat-hero-overlay{position:absolute;inset:0;background:linear-gradient(155deg,rgba(14,31,61,.88) 0%,rgba(8,21,40,.62) 55%,rgba(14,31,61,.78) 100%);z-index:2}
        .cat-hero .container{position:relative;z-index:3}
        .cat-hero-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--gold);background:rgba(232,169,78,.14);padding:7px 16px;border-radius:999px;margin-bottom:16px;letter-spacing:.08em}
        .cat-hero-tag i{font-size:12px}
        .cat-hero h1{font-size:clamp(28px,4vw,42px);font-weight:700;line-height:1.22;color:#fff;margin-bottom:16px}
        .cat-hero .cat-hero-desc{font-size:17px;color:rgba(255,255,255,.82);max-width:680px;line-height:1.8;margin-bottom:28px}
        .bento-grid{display:grid;grid-template-columns:1.3fr .7fr;grid-template-rows:auto auto;gap:16px;margin-top:28px}
        .bento-main{grid-row:span 2;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-lg);padding:28px 30px;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
        .bento-main h2{font-size:22px;font-weight:700;color:#fff;margin-bottom:12px;line-height:1.4}
        .bento-main p{font-size:15px;color:rgba(255,255,255,.75);line-height:1.75;margin-bottom:0}
        .bento-stat{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-md);padding:22px 24px;display:flex;flex-direction:column;justify-content:center;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
        .bento-stat .stat-num{font-size:32px;font-weight:700;color:var(--gold);line-height:1.2;margin-bottom:6px}
        .bento-stat .stat-label{font-size:13px;color:rgba(255,255,255,.7);font-weight:500}
        .bento-cta{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-md);padding:22px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
        .bento-cta p{font-size:15px;color:rgba(255,255,255,.82);margin-bottom:0;line-height:1.5}
        /* Topic Cards */
        .topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
        .topic-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-md);padding:26px 22px;transition:var(--transition);position:relative;overflow:hidden}
        .topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--border-strong)}
        .topic-card .topic-icon{width:48px;height:48px;background:rgba(30,111,235,.1);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--accent);margin-bottom:16px}
        .topic-card h3{font-size:17px;font-weight:700;color:var(--text);margin-bottom:8px;line-height:1.4}
        .topic-card p{font-size:14px;color:var(--text-weak);line-height:1.7;margin-bottom:0}
        .topic-card .topic-link{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--accent);margin-top:12px}
        .topic-card .topic-link:hover{color:var(--accent-hover)}
        /* Featured Topic Cards */
        .featured-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
        .featured-card{background:var(--card);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);transition:var(--transition);border:1px solid var(--border)}
        .featured-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
        .featured-card .featured-img{position:relative;height:200px;overflow:hidden}
        .featured-card .featured-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
        .featured-card:hover .featured-img img{transform:scale(1.06)}
        .featured-card .featured-img .badge{position:absolute;top:14px;left:14px;background:rgba(14,31,61,.82);color:#fff;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:600;backdrop-filter:blur(6px)}
        .featured-card .featured-body{padding:20px 22px}
        .featured-card .featured-body h3{font-size:17px;font-weight:700;color:var(--text);margin-bottom:8px;line-height:1.45}
        .featured-card .featured-body p{font-size:14px;color:var(--text-weak);line-height:1.7;margin-bottom:14px}
        .featured-card .featured-meta{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-mute)}
        .featured-card .featured-meta span{display:flex;align-items:center;gap:5px}
        /* Stats Bar */
        .stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
        .stat-block{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-md);padding:24px;text-align:center;transition:var(--transition)}
        .stat-block:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
        .stat-block .stat-value{font-size:36px;font-weight:700;color:var(--primary);line-height:1.2;margin-bottom:6px}
        .stat-block .stat-unit{font-size:18px;font-weight:600;color:var(--accent)}
        .stat-block .stat-desc{font-size:14px;color:var(--text-weak);margin-top:4px}
        /* Experience Cards */
        .exp-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
        .exp-card{background:var(--card);border-radius:var(--radius-md);padding:26px 22px;border:1px solid var(--border);transition:var(--transition)}
        .exp-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}
        .exp-card .exp-icon{width:44px;height:44px;border-radius:10px;background:rgba(30,111,235,.08);display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--accent);margin-bottom:14px}
        .exp-card h3{font-size:16px;font-weight:700;color:var(--text);margin-bottom:8px;line-height:1.4}
        .exp-card p{font-size:14px;color:var(--text-weak);line-height:1.65;margin-bottom:0}
        /* Scene Section */
        .scene-wrap{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:38px 40px;box-shadow:var(--shadow-sm)}
        .scene-text h2{font-size:26px;font-weight:700;color:var(--text);line-height:1.4;margin-bottom:14px}
        .scene-text p{font-size:15px;color:var(--text-weak);line-height:1.8;margin-bottom:22px}
        .scene-list{list-style:none;padding:0;margin:0 0 22px}
        .scene-list li{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text);padding:7px 0;border-bottom:1px solid var(--bg-soft)}
        .scene-list li:last-child{border-bottom:none}
        .scene-list li i{color:var(--accent);font-size:14px;flex-shrink:0}
        .scene-img{border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-lg)}
        .scene-img img{width:100%;height:100%;object-fit:cover;min-height:280px}
        /* News List */
        .news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
        .news-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden;transition:var(--transition);box-shadow:var(--shadow-sm)}
        .news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--border-strong)}
        .news-card .news-body{padding:20px 22px}
        .news-card .news-top{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--accent);font-weight:600;margin-bottom:8px}
        .news-card .news-top i{font-size:11px}
        .news-card h3{font-size:15px;font-weight:700;color:var(--text);line-height:1.5;margin-bottom:8px;transition:var(--transition)}
        .news-card:hover h3{color:var(--accent)}
        .news-card p{font-size:13px;color:var(--text-weak);line-height:1.65;margin-bottom:0}
        .news-empty{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-md);padding:32px;text-align:center;color:var(--text-weak);font-size:15px}
        /* CTA Section */
        .cta-box{background:var(--primary);border-radius:var(--radius-lg);padding:46px 50px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;position:relative;overflow:hidden;box-shadow:var(--shadow-lg)}
        .cta-box::before{content:'';position:absolute;top:-50%;right:-10%;width:300px;height:300px;background:rgba(30,111,235,.15);border-radius:50%;pointer-events:none}
        .cta-box h2{font-size:26px;font-weight:700;color:#fff;margin-bottom:10px;line-height:1.4;position:relative;z-index:1}
        .cta-box p{font-size:15px;color:rgba(255,255,255,.8);margin-bottom:0;line-height:1.7;position:relative;z-index:1;max-width:520px}
        .cta-box .btn{position:relative;z-index:1}
        /* FAQ */
        .faq-list{max-width:820px;margin:0 auto}
        .faq-item{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-md);margin-bottom:12px;overflow:hidden;transition:var(--transition)}
        .faq-item:hover{border-color:var(--border-strong);box-shadow:var(--shadow-sm)}
        .faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;cursor:pointer;list-style:none;font-size:15px;font-weight:600;color:var(--text);line-height:1.5}
        .faq-item summary::-webkit-details-marker{display:none}
        .faq-item summary::after{content:'\f078';font-family:'Font Awesome 6 Free';font-weight:900;font-size:12px;color:var(--text-mute);transition:var(--transition);flex-shrink:0}
        .faq-item[open] summary::after{transform:rotate(180deg);color:var(--accent)}
        .faq-item .faq-answer{padding:0 22px 18px;font-size:14px;color:var(--text-weak);line-height:1.8}
        /* Footer */
        .site-footer{background:var(--primary-deep);color:#b8c4d8;padding:48px 0 24px;margin-top:0}
        .footer-row{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.08);margin-bottom:24px}
        .footer-brand h3{font-size:18px;font-weight:700;color:#fff;margin-bottom:12px}
        .footer-brand h3 span{color:var(--accent)}
        .footer-brand p{font-size:14px;color:#b8c4d8;line-height:1.75;max-width:420px;margin-bottom:0}
        .footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:12px}
        .footer-col ul{list-style:none;padding:0;margin:0}
        .footer-col ul li{margin-bottom:8px}
        .footer-col ul li a{font-size:14px;color:#b8c4d8;transition:var(--transition);display:inline-flex;align-items:center;gap:5px}
        .footer-col ul li a:hover{color:#fff}
        .footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12px;color:#7d8ba3}
        .footer-bottom a{color:#b8c4d8}
        .footer-bottom a:hover{color:#fff}
        /* Responsive */
        @media (max-width:1024px){
            .bento-grid{grid-template-columns:1fr;grid-template-rows:auto auto auto}
            .bento-main{grid-row:auto}
            .topic-grid{grid-template-columns:repeat(2,1fr)}
            .featured-grid{grid-template-columns:repeat(2,1fr)}
            .exp-grid{grid-template-columns:repeat(2,1fr)}
            .news-grid{grid-template-columns:repeat(2,1fr)}
        }
        @media (max-width:768px){
            :root{--nav-h:64px}
            .section-pad{padding:44px 0}
            .section-pad-sm{padding:28px 0}
            .nav-row{gap:14px}
            .nav-chips{display:none}
            .nav-cta{display:none}
            .nav-toggle{display:flex}
            .nav-row.mobile-open .nav-chips{display:flex;flex-direction:column;position:absolute;top:var(--nav-h);left:0;right:0;background:#fff;border-bottom:1px solid var(--border);padding:16px 24px;gap:8px;border-radius:0 0 16px 16px;box-shadow:var(--shadow-lg)}
            .nav-row.mobile-open .nav-chips a{width:100%;justify-content:center;padding:12px}
            .nav-row.mobile-open .nav-cta{display:flex;flex-direction:column;position:absolute;top:calc(var(--nav-h) + 120px);left:0;right:0;padding:12px 24px;background:#fff;border-bottom:1px solid var(--border);box-shadow:var(--shadow-md)}
            .nav-logo{font-size:17px}
            .nav-logo .logo-badge{width:32px;height:32px;font-size:13px;border-radius:8px}
            .cat-hero{padding:44px 0 36px}
            .bento-main{padding:20px}
            .bento-stat{padding:16px 18px}
            .bento-stat .stat-num{font-size:24px}
            .bento-cta{flex-direction:column;align-items:flex-start;gap:14px}
            .topic-grid{grid-template-columns:1fr;gap:14px}
            .featured-grid{grid-template-columns:1fr;gap:18px}
            .stats-grid{grid-template-columns:repeat(2,1fr);gap:14px}
            .exp-grid{grid-template-columns:1fr;gap:14px}
            .scene-wrap{grid-template-columns:1fr;padding:26px;gap:22px}
            .scene-img img{min-height:200px}
            .news-grid{grid-template-columns:1fr;gap:16px}
            .cta-box{flex-direction:column;align-items:flex-start;padding:32px 24px;gap:18px}
            .footer-row{grid-template-columns:1fr;gap:26px}
            .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
        }
        @media (max-width:520px){
            .container{padding:0 16px}
            .cat-hero h1{font-size:24px}
            .cat-hero .cat-hero-desc{font-size:15px}
            .bento-grid{gap:10px}
            .bento-main{padding:16px}
            .bento-main h2{font-size:18px}
            .stats-grid{grid-template-columns:1fr 1fr;gap:10px}
            .stat-block{padding:16px}
            .stat-block .stat-value{font-size:28px}
            .section-head h2{font-size:22px}
            .cta-box h2{font-size:20px}
            .featured-card .featured-img{height:170px}
        }

/* roulang page: article */
:root{
            --primary:#0e1f3d;
            --primary-deep:#081528;
            --accent:#1e6feb;
            --accent-hover:#1557c9;
            --gold:#e8a94e;
            --bg:#f6f8fc;
            --bg-soft:#eef2f8;
            --card:#ffffff;
            --text:#20293a;
            --text-weak:#5c6b82;
            --text-mute:#8494ab;
            --border:#e2e8f0;
            --border-strong:#ccd6e3;
            --radius-sm:8px;
            --radius-md:14px;
            --radius-lg:20px;
            --shadow-sm:0 1px 3px rgba(14,31,61,.06),0 2px 8px rgba(14,31,61,.05);
            --shadow-md:0 4px 16px rgba(14,31,61,.08),0 8px 28px rgba(14,31,61,.06);
            --shadow-lg:0 12px 40px rgba(14,31,61,.12),0 20px 60px rgba(14,31,61,.08);
            --font-sans:'PingFang SC','Microsoft YaHei','Noto Sans SC',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
            --transition:all .25s cubic-bezier(.4,0,.2,1);
            --nav-h:72px;
            --max-w:1180px;
        }
        html{scroll-behavior:smooth}
        body{
            font-family:var(--font-sans);
            font-size:16px;
            line-height:1.7;
            color:var(--text);
            background:var(--bg);
            -webkit-font-smoothing:antialiased;
            -moz-osx-font-smoothing:grayscale;
        }
        a{text-decoration:none;color:inherit;transition:var(--transition)}
        img{max-width:100%;display:block}
        button,input,select,textarea{font-family:inherit;font-size:inherit}
        button{cursor:pointer;border:none;background:none}
        .container{max-width:var(--max-w);margin:0 auto;padding:0 24px}
        .section-pad{padding:64px 0}
        .section-pad-sm{padding:40px 0}
        .section-alt{background:var(--bg-soft)}
        .section-dark{background:var(--primary);color:#fff}
        .section-head{margin-bottom:36px}
        .section-head .tag{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);background:rgba(30,111,235,.08);padding:6px 14px;border-radius:999px;margin-bottom:14px}
        .section-head .tag i{font-size:12px}
        .section-head h2{font-size:clamp(24px,3.2vw,34px);font-weight:700;color:var(--text);line-height:1.35;margin-bottom:12px}
        .section-head p{font-size:16px;color:var(--text-weak);max-width:700px;line-height:1.8}
        .section-head.center{text-align:center}
        .section-head.center p{margin:0 auto}

        /* Header / Navigation */
        .site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border);height:var(--nav-h);display:flex;align-items:center}
        .nav-row{display:flex;align-items:center;justify-content:space-between;gap:20px}
        .nav-logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:700;color:var(--primary);white-space:nowrap}
        .nav-logo .logo-badge{width:38px;height:38px;background:var(--primary);color:#fff;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;flex-shrink:0}
        .nav-logo span{color:var(--accent)}
        .nav-chips{display:flex;align-items:center;gap:6px;background:var(--bg-soft);border:1px solid var(--border);border-radius:999px;padding:4px}
        .nav-chips a{display:inline-flex;align-items:center;gap:6px;padding:8px 20px;border-radius:999px;font-size:14px;font-weight:600;color:var(--text-weak);transition:var(--transition)}
        .nav-chips a:hover{color:var(--accent);background:rgba(30,111,235,.07)}
        .nav-chips a.active{background:var(--primary);color:#fff}
        .nav-chips a.active:hover{color:#fff;background:var(--primary-deep)}
        .nav-cta{display:flex;align-items:center;gap:10px}
        .nav-cta .btn{white-space:nowrap}
        .nav-toggle{display:none;background:var(--primary);color:#fff;width:40px;height:40px;border-radius:10px;font-size:18px;align-items:center;justify-content:center}

        /* Buttons */
        .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 26px;border-radius:10px;font-size:15px;font-weight:600;line-height:1.4;transition:var(--transition);text-align:center}
        .btn i{font-size:14px}
        .btn-primary{background:var(--accent);color:#fff;box-shadow:0 4px 14px rgba(30,111,235,.3)}
        .btn-primary:hover{background:var(--accent-hover);color:#fff;box-shadow:0 6px 20px rgba(30,111,235,.4);transform:translateY(-1px)}
        .btn-primary:active{transform:translateY(0)}
        .btn-outline{background:transparent;color:var(--primary);border:1.5px solid var(--border-strong)}
        .btn-outline:hover{border-color:var(--accent);color:var(--accent);background:rgba(30,111,235,.05)}
        .btn-ghost{background:transparent;color:var(--text-weak)}
        .btn-ghost:hover{color:var(--accent);background:rgba(30,111,235,.06)}
        .btn-light{background:#fff;color:var(--primary);box-shadow:0 4px 16px rgba(0,0,0,.18)}
        .btn-light:hover{background:#f0f4ff;color:var(--accent);box-shadow:0 6px 22px rgba(0,0,0,.22);transform:translateY(-1px)}
        .btn-gold{background:var(--gold);color:var(--primary-deep);box-shadow:0 4px 14px rgba(232,169,78,.35)}
        .btn-gold:hover{background:#d99a3d;color:var(--primary-deep);transform:translateY(-1px)}
        .btn-sm{padding:8px 18px;font-size:13px;border-radius:8px}
        .btn-lg{padding:14px 34px;font-size:16px;border-radius:12px}

        /* Article Header */
        .article-header{position:relative;padding:60px 0 50px;background:var(--primary);color:#fff;overflow:hidden}
        .article-header-bg{position:absolute;inset:0;background:url('/assets/images/e99636102b6258bc.jpg') center/cover no-repeat;opacity:.28;z-index:1}
        .article-header-overlay{position:absolute;inset:0;background:linear-gradient(160deg,rgba(14,31,61,.9) 0%,rgba(8,21,40,.72) 60%,rgba(14,31,61,.85) 100%);z-index:2}
        .article-header .container{position:relative;z-index:3}
        .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.7);margin-bottom:18px}
        .breadcrumb a{color:rgba(255,255,255,.8)}
        .breadcrumb a:hover{color:var(--gold)}
        .breadcrumb i{font-size:11px;opacity:.6}
        .article-header h1{font-size:clamp(26px,4vw,38px);font-weight:700;line-height:1.3;color:#fff;margin-bottom:16px}
        .article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:20px;font-size:14px;color:rgba(255,255,255,.75)}
        .article-meta span{display:inline-flex;align-items:center;gap:8px}
        .article-meta i{color:var(--gold);font-size:14px}
        .article-meta .meta-chip{background:rgba(232,169,78,.16);color:var(--gold);padding:4px 14px;border-radius:999px;font-weight:600}

        /* Article Summary Card */
        .article-summary .summary-card{background:var(--card);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:28px 32px;border:1px solid var(--border);display:flex;gap:20px;align-items:flex-start}
        .summary-card .summary-icon{flex-shrink:0;width:48px;height:48px;background:rgba(30,111,235,.1);color:var(--accent);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:20px}
        .summary-card .summary-text{font-size:16px;color:var(--text-weak);line-height:1.8;margin:0}

        /* Article Body */
        .article-body-section{background:var(--card);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid var(--border);padding:36px 40px}
        .article-body-content{max-width:820px;margin:0 auto;font-size:16px;line-height:1.85;color:var(--text)}
        .article-body-content h2{font-size:24px;font-weight:700;color:var(--primary);margin:32px 0 16px;padding-top:8px}
        .article-body-content h3{font-size:20px;font-weight:700;color:var(--primary);margin:28px 0 12px}
        .article-body-content p{margin-bottom:18px;color:var(--text-weak)}
        .article-body-content img{border-radius:var(--radius-md);margin:24px 0;box-shadow:var(--shadow-md)}
        .article-body-content ul,.article-body-content ol{margin:16px 0 20px 22px;color:var(--text-weak)}
        .article-body-content li{margin-bottom:10px}
        .article-body-content a{color:var(--accent);font-weight:600;text-decoration:underline;text-underline-offset:3px}
        .article-body-content a:hover{color:var(--accent-hover)}
        .article-body-content blockquote{border-left:4px solid var(--accent);background:rgba(30,111,235,.05);padding:18px 22px;border-radius:0 var(--radius-sm) var(--radius-sm) 0;margin:24px 0;color:var(--text-weak);font-style:italic}

        /* Key Points */
        .keypoints-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
        .keypoint-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-md);padding:24px;box-shadow:var(--shadow-sm);transition:var(--transition)}
        .keypoint-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(30,111,235,.3)}
        .keypoint-card .keypoint-icon{width:46px;height:46px;background:rgba(30,111,235,.1);color:var(--accent);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:14px}
        .keypoint-card h3{font-size:18px;font-weight:700;color:var(--primary);margin-bottom:8px}
        .keypoint-card p{font-size:14px;color:var(--text-weak);margin:0}

        /* Related Cards */
        .feature-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm);transition:var(--transition);height:100%}
        .feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(30,111,235,.25)}
        .feature-thumb{display:block;height:180px;background-size:cover;background-position:center;position:relative}
        .feature-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(14,31,61,.55) 100%)}
        .feature-body{display:flex;flex-direction:column;padding:20px;flex:1}
        .feature-tag{display:inline-block;font-size:12px;font-weight:600;color:var(--accent);background:rgba(30,111,235,.08);padding:4px 12px;border-radius:999px;margin-bottom:10px;align-self:flex-start}
        .feature-body h3{font-size:17px;font-weight:700;color:var(--primary);line-height:1.4;margin-bottom:8px}
        .feature-body p{font-size:14px;color:var(--text-weak);line-height:1.6;margin-bottom:14px;flex-grow:1}
        .feature-link{font-size:14px;font-weight:600;color:var(--accent);display:inline-flex;align-items:center;gap:6px}
        .feature-link i{transition:transform .25s ease}
        .feature-card:hover .feature-link i{transform:translateX(4px)}

        /* FAQ */
        .faq-list{max-width:820px;margin:0 auto}
        .faq-item{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-md);margin-bottom:14px;padding:20px 24px;box-shadow:var(--shadow-sm);transition:var(--transition)}
        .faq-item:hover{border-color:rgba(30,111,235,.3)}
        .faq-item h3{font-size:17px;font-weight:700;color:var(--primary);margin-bottom:8px;display:flex;align-items:center;gap:10px}
        .faq-item h3 i{color:var(--gold);font-size:16px}
        .faq-item p{font-size:15px;color:var(--text-weak);margin:0;line-height:1.75}

        /* CTA */
        .cta-band{background:var(--primary);padding:56px 0;text-align:center;color:#fff;position:relative;overflow:hidden}
        .cta-band::before{content:"";position:absolute;width:300px;height:300px;border-radius:50%;background:rgba(30,111,235,.18);top:-100px;right:-80px;z-index:1}
        .cta-band::after{content:"";position:absolute;width:250px;height:250px;border-radius:50%;background:rgba(232,169,78,.12);bottom:-100px;left:-60px;z-index:1}
        .cta-band .container{position:relative;z-index:2}
        .cta-band h2{font-size:clamp(24px,3.4vw,32px);font-weight:700;color:#fff;margin-bottom:12px}
        .cta-band p{font-size:16px;color:rgba(255,255,255,.75);max-width:600px;margin:0 auto 28px;line-height:1.8}

        /* Not Found */
        .not-found-section{min-height:50vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:80px 0}
        .not-found-box{background:var(--card);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);border:1px solid var(--border);padding:48px 40px;max-width:480px}
        .not-found-box .nf-icon{width:64px;height:64px;background:rgba(30,111,235,.1);color:var(--accent);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:26px;margin:0 auto 20px}
        .not-found-box h2{font-size:24px;font-weight:700;color:var(--primary);margin-bottom:10px}
        .not-found-box p{color:var(--text-weak);margin-bottom:24px}

        /* Footer */
        .site-footer{background:var(--primary-deep);color:#fff;padding:60px 0 30px;font-size:15px}
        .footer-row{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;margin-bottom:36px}
        .footer-brand h3{font-size:22px;font-weight:700;color:#fff;margin-bottom:12px}
        .footer-brand p{color:rgba(255,255,255,.65);line-height:1.8;margin:0;max-width:360px}
        .footer-col h4{font-size:16px;font-weight:700;color:#fff;margin-bottom:16px}
        .footer-col ul{list-style:none;margin:0;padding:0}
        .footer-col li{margin-bottom:10px}
        .footer-col a{color:rgba(255,255,255,.65);transition:var(--transition);display:inline-flex;align-items:center;gap:6px}
        .footer-col a:hover{color:var(--gold);transform:translateX(3px)}
        .footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;border-top:1px solid rgba(255,255,255,.12);padding-top:24px;font-size:13px;color:rgba(255,255,255,.55)}
        .footer-bottom a{color:rgba(255,255,255,.7)}
        .footer-bottom a:hover{color:var(--gold)}

        /* Responsive */
        @media(max-width:1024px){
            .hero .container{grid-template-columns:1fr;gap:40px}
            .footer-row{grid-template-columns:1fr 1fr}
            .article-header{padding:50px 0 40px}
        }
        @media(max-width:768px){
            .nav-toggle{display:flex}
            .nav-chips,.nav-cta{display:none}
            .nav-chips.mobile-open{display:flex;flex-direction:column;position:absolute;top:var(--nav-h);left:0;right:0;background:#fff;border-bottom:1px solid var(--border);padding:16px 24px;gap:8px;box-shadow:var(--shadow-md)}
            .nav-chips.mobile-open a{width:100%;justify-content:center}
            .article-header{padding:40px 0 32px}
            .article-summary .summary-card{padding:24px;flex-direction:column}
            .article-body-section{padding:24px 20px}
            .footer-row{grid-template-columns:1fr;gap:28px}
            .section-pad{padding:48px 0}
            .section-pad-sm{padding:32px 0}
        }
        @media(max-width:520px){
            .container{padding:0 16px}
            .article-meta{gap:12px;flex-direction:column;align-items:flex-start}
            .btn-lg{width:100%}
            .cta-band{padding:40px 0}
            .article-header h1{font-size:24px}
        }