/* roulang page: index */
:root{
      --bg:#08110f;
      --bg-2:#0c1715;
      --panel:#111f1c;
      --panel-2:#162824;
      --card:#13221f;
      --text:#eef8f4;
      --muted:#9eb5ae;
      --muted-2:#6f8880;
      --line:rgba(161, 218, 199, .16);
      --line-strong:rgba(83, 232, 185, .42);
      --primary:#35e7b0;
      --primary-2:#1fb7d4;
      --warm:#f6bd55;
      --danger:#ff7b7b;
      --shadow:0 20px 60px rgba(0,0,0,.28);
      --shadow-soft:0 12px 36px rgba(0,0,0,.18);
      --radius:18px;
      --radius-lg:26px;
      --container:1240px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      color:var(--text);
      background:
        radial-gradient(circle at 84% 6%, rgba(53,231,176,.16), transparent 34%),
        radial-gradient(circle at 10% 30%, rgba(31,183,212,.11), transparent 34%),
        linear-gradient(180deg, #07100e 0%, #0a1513 46%, #070d0c 100%);
      font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC",sans-serif;
      line-height:1.72;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.022) 1px, transparent 1px);
      background-size:36px 36px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.75), transparent 78%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img,svg{display:block;max-width:100%}
    button,input,textarea{font:inherit}
    button{cursor:pointer;border:0}
    input,textarea{width:100%}
    .site-container{width:min(var(--container), calc(100% - 40px));margin:0 auto}
    .skip-link{position:absolute;left:-999px;top:12px;background:var(--primary);color:#05201a;padding:10px 14px;border-radius:12px;z-index:99}
    .skip-link:focus{left:12px;outline:3px solid rgba(246,189,85,.45)}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      border-bottom:1px solid rgba(255,255,255,.08);
      background:rgba(8,17,15,.78);
      backdrop-filter:blur(18px);
    }
    .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:18px}
    .brand{display:flex;align-items:center;gap:12px;min-width:max-content}
    .brand-mark{
      width:42px;height:42px;border-radius:14px;
      display:grid;place-items:center;
      background:linear-gradient(135deg, rgba(53,231,176,.22), rgba(31,183,212,.14));
      border:1px solid rgba(53,231,176,.28);
      box-shadow:0 0 0 6px rgba(53,231,176,.04);
      position:relative;overflow:hidden;
    }
    .brand-mark:after{content:"";position:absolute;width:18px;height:18px;border-radius:5px;border:2px solid var(--primary);transform:rotate(45deg)}
    .brand-mark:before{content:"";position:absolute;width:6px;height:6px;border-radius:99px;background:var(--warm);right:9px;top:9px}
    .brand-title{font-weight:850;letter-spacing:-.02em;font-size:18px}
    .brand-sub{font-size:12px;color:var(--muted);margin-top:-4px}
    .nav-links{
      display:flex;align-items:center;gap:6px;
      padding:6px;
      border:1px solid rgba(255,255,255,.08);
      border-radius:999px;
      background:rgba(255,255,255,.035);
    }
    .nav-links a{
      padding:9px 14px;border-radius:999px;color:#c6d8d2;
      font-size:14px;font-weight:700;transition:.22s ease;
    }
    .nav-links a:hover,.nav-links a.active{color:#061b16;background:var(--primary)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:44px;padding:0 18px;border-radius:14px;
      font-weight:800;font-size:14px;letter-spacing:.01em;
      transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease, background .22s ease, color .22s ease;
      white-space:nowrap;
    }
    .btn-primary{background:linear-gradient(135deg, var(--primary), #6df0ca);color:#06241d;box-shadow:0 12px 30px rgba(53,231,176,.18)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 42px rgba(53,231,176,.28)}
    .btn-secondary{border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.05);color:#e6f5f0}
    .btn-secondary:hover{transform:translateY(-2px);border-color:rgba(53,231,176,.45);background:rgba(53,231,176,.08)}
    .btn-warm{background:linear-gradient(135deg, var(--warm), #ffe0a3);color:#2b1b04;box-shadow:0 14px 34px rgba(246,189,85,.18)}
    .btn:focus-visible,.nav-links a:focus-visible,.faq-question:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(53,231,176,.35);outline-offset:3px}
    .mobile-toggle{display:none;width:44px;height:44px;border-radius:14px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);color:var(--text)}
    .mobile-panel{display:none;border-top:1px solid rgba(255,255,255,.08);padding:0 0 18px}
    .mobile-panel.open{display:block}
    .mobile-panel a{display:block;padding:12px 14px;margin-top:8px;border-radius:14px;background:rgba(255,255,255,.04);color:#d7e8e2;font-weight:750}
    main{overflow:hidden}
    section{position:relative}
    .section-pad{padding:92px 0}
    .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:30px}
    .section-kicker{display:inline-flex;align-items:center;gap:8px;padding:7px 11px;border-radius:999px;border:1px solid rgba(53,231,176,.22);background:rgba(53,231,176,.07);color:#aaf4dc;font-size:13px;font-weight:800;margin-bottom:14px}
    .section-title{font-size:clamp(28px,3.4vw,46px);line-height:1.18;letter-spacing:-.04em;font-weight:900;margin:0}
    .section-desc{max-width:690px;color:var(--muted);font-size:16px;margin:12px 0 0}
    .hero{padding:58px 0 88px}
    .hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:42px;align-items:center}
    .hero-copy{position:relative;z-index:2}
    .hero-badges{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px}
    .badge{
      display:inline-flex;align-items:center;gap:8px;
      padding:7px 11px;border-radius:999px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.055);
      color:#d9eee7;font-size:13px;font-weight:800;
    }
    .badge .dot{width:7px;height:7px;border-radius:99px;background:var(--primary);box-shadow:0 0 12px var(--primary)}
    h1{font-size:clamp(42px,5.4vw,72px);line-height:1.04;letter-spacing:-.06em;font-weight:950;margin:0}
    .hero-intro{font-size:18px;color:#bfd1cb;margin:22px 0 0;max-width:630px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
    .hero-kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:30px}
    .kpi-card{
      border:1px solid rgba(255,255,255,.1);
      background:linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.035));
      border-radius:var(--radius);
      padding:16px;
    }
    .kpi-num{font-variant-numeric:tabular-nums;font-size:24px;font-weight:950;color:#eafff8}
    .kpi-text{font-size:13px;color:var(--muted);margin-top:2px}
    .dp-cover{
      min-height:500px;
      border-radius:34px;
      border:1px solid rgba(53,231,176,.2);
      background:
        linear-gradient(135deg, rgba(53,231,176,.1), transparent 32%),
        radial-gradient(circle at 76% 18%, rgba(246,189,85,.22), transparent 22%),
        linear-gradient(160deg, #14211f, #0a1513 58%, #152925);
      box-shadow:var(--shadow);
      transform:rotate(-2deg) translateY(10px);
      position:relative;
      overflow:hidden;
    }
    .dp-cover:before{
      content:"";
      position:absolute;inset:20px;
      border-radius:26px;
      border:1px solid rgba(255,255,255,.09);
      background:
        linear-gradient(120deg, rgba(255,255,255,.07), transparent),
        repeating-linear-gradient(90deg, rgba(255,255,255,.035) 0 1px, transparent 1px 74px);
    }
    .cover-panel{
      position:absolute;
      border:1px solid rgba(255,255,255,.11);
      background:rgba(8,17,15,.72);
      backdrop-filter:blur(14px);
      border-radius:22px;
      box-shadow:0 18px 48px rgba(0,0,0,.22);
    }
    .cover-main{left:42px;right:80px;top:52px;padding:22px}
    .cover-main h2{font-size:28px;line-height:1.2;margin:0;font-weight:950}
    .cover-main p{color:var(--muted);font-size:14px;margin:10px 0 0}
    .cover-list{display:grid;gap:10px;margin-top:18px}
    .cover-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px;border-radius:15px;background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.06)}
    .cover-row span:first-child{font-weight:800}
    .cover-row span:last-child{color:var(--primary);font-weight:900;font-variant-numeric:tabular-nums}
    .cover-float{right:30px;bottom:50px;width:260px;padding:18px;transform:rotate(4deg)}
    .cover-meter{height:9px;border-radius:99px;background:rgba(255,255,255,.08);overflow:hidden;margin-top:14px}
    .cover-meter i{display:block;width:76%;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--primary),var(--warm))}
    .cover-chip{left:70px;bottom:38px;padding:12px 14px;color:#fff;font-weight:850}
    .cover-chip strong{color:var(--warm)}
    .notice-bar{
      margin-top:28px;
      display:flex;align-items:center;justify-content:space-between;gap:18px;
      border:1px solid rgba(246,189,85,.2);
      background:linear-gradient(90deg, rgba(246,189,85,.1), rgba(53,231,176,.06));
      border-radius:18px;padding:13px 16px;color:#f3e7d2;font-size:14px;
    }
    .notice-bar strong{color:#ffe0a3}
    .card{
      border:1px solid var(--line);
      background:linear-gradient(180deg, rgba(255,255,255,.065), rgba(255,255,255,.032));
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-soft);
      transition:transform .22s ease, border-color .22s ease, box-shadow .22s ease, background .22s ease;
    }
    .card:hover{transform:translateY(-4px);border-color:rgba(53,231,176,.34);box-shadow:0 24px 60px rgba(0,0,0,.28)}
    .icon{
      width:42px;height:42px;border-radius:14px;
      display:grid;place-items:center;
      background:rgba(53,231,176,.1);
      border:1px solid rgba(53,231,176,.2);
      color:var(--primary);
      font-weight:950;
    }
    .benefit-grid{display:grid;grid-template-columns:1.2fr .9fr .9fr;gap:18px}
    .benefit-card{padding:24px;min-height:230px}
    .benefit-card.featured{background:linear-gradient(135deg, rgba(53,231,176,.14), rgba(246,189,85,.08) 48%, rgba(255,255,255,.035));grid-row:span 2}
    .benefit-card h3{font-size:22px;line-height:1.25;margin:18px 0 8px;font-weight:900}
    .benefit-card p{color:var(--muted);margin:0;font-size:15px}
    .mini-tag{display:inline-flex;margin-top:18px;padding:6px 10px;border-radius:999px;background:rgba(246,189,85,.1);border:1px solid rgba(246,189,85,.2);color:#ffe2a6;font-weight:800;font-size:12px}
    .material-wrap{display:grid;grid-template-columns:.92fr 1.08fr;gap:22px;align-items:stretch}
    .resource-stack{display:grid;gap:14px}
    .resource-item{padding:18px;border-radius:20px;background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.09);display:flex;gap:14px;align-items:flex-start}
    .resource-item strong{display:block;font-size:17px;margin-bottom:4px}
    .resource-item p{margin:0;color:var(--muted);font-size:14px}
    .stage-card{padding:24px;position:relative;overflow:hidden}
    .stage-card:after{content:"";position:absolute;right:-90px;top:-80px;width:260px;height:260px;border-radius:50%;background:rgba(53,231,176,.12)}
    .stage-lines{display:grid;gap:13px;margin-top:22px;position:relative;z-index:1}
    .stage-line{display:grid;grid-template-columns:108px 1fr 66px;gap:12px;align-items:center}
    .stage-line b{font-size:14px}
    .progress{height:10px;border-radius:99px;background:rgba(255,255,255,.08);overflow:hidden}
    .progress i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--primary-2),var(--primary))}
    .stage-line span{font-size:13px;color:var(--muted);text-align:right;font-variant-numeric:tabular-nums}
    .compare-section{background:linear-gradient(180deg, rgba(255,255,255,.035), rgba(53,231,176,.035));border-top:1px solid rgba(255,255,255,.06);border-bottom:1px solid rgba(255,255,255,.06)}
    .compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
    .compare-box{padding:24px;border-radius:26px;border:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.045)}
    .compare-box.good{border-color:rgba(53,231,176,.28);background:linear-gradient(180deg, rgba(53,231,176,.1), rgba(255,255,255,.035))}
    .compare-box h3{margin:0 0 18px;font-size:24px;font-weight:950}
    .compare-list{display:grid;gap:13px}
    .compare-item{display:grid;grid-template-columns:28px 1fr;gap:12px;align-items:start;color:#d8e8e3}
    .mark{width:28px;height:28px;border-radius:10px;display:grid;place-items:center;font-weight:950}
    .mark.yes{background:rgba(53,231,176,.14);color:var(--primary)}
    .mark.no{background:rgba(255,123,123,.1);color:var(--danger)}
    .ranking-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:22px}
    .rank-list{overflow:hidden}
    .rank-item{display:grid;grid-template-columns:54px 1fr 86px 72px;gap:12px;align-items:center;padding:16px 20px;border-bottom:1px solid rgba(255,255,255,.08)}
    .rank-item:last-child{border-bottom:0}
    .rank-no{width:34px;height:34px;border-radius:12px;background:rgba(53,231,176,.09);color:var(--primary);display:grid;place-items:center;font-weight:950}
    .rank-title{font-weight:900}
    .rank-sub{font-size:13px;color:var(--muted);margin-top:2px}
    .rank-metric{font-size:13px;color:#d2e1dc}
    .trend{font-size:12px;color:#06241d;background:var(--primary);border-radius:999px;padding:5px 8px;text-align:center;font-weight:900}
    .guide-card{padding:24px}
    .guide-steps{display:grid;gap:16px;margin-top:18px}
    .guide-step{display:flex;gap:14px;align-items:flex-start}
    .step-num{width:32px;height:32px;border-radius:12px;background:rgba(246,189,85,.13);color:#ffd78b;display:grid;place-items:center;font-weight:950;flex:0 0 auto}
    .guide-step strong{display:block}
    .guide-step p{margin:3px 0 0;color:var(--muted);font-size:14px}
    .news-layout{display:grid;grid-template-columns:1.45fr .55fr;gap:22px}
    .news-list{display:grid;gap:14px}
    .news-card{padding:20px;border-radius:22px;border:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.045);transition:.22s ease}
    .news-card:hover{border-color:rgba(53,231,176,.36);transform:translateY(-3px);box-shadow:0 18px 44px rgba(0,0,0,.24)}
    .news-meta{display:flex;gap:10px;flex-wrap:wrap;align-items:center;color:var(--muted-2);font-size:13px;margin-bottom:8px}
    .news-category{color:#05231c;background:var(--primary);border-radius:999px;padding:4px 8px;font-weight:900}
    .news-card h3{font-size:20px;line-height:1.35;margin:0 0 8px;font-weight:950}
    .news-card p{margin:0;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
    .news-link{display:inline-flex;margin-top:12px;color:#9ff0d5;font-weight:900}
    .recommend-card{padding:22px;position:sticky;top:96px}
    .recommend-list{display:grid;gap:12px;margin-top:16px}
    .recommend-item{padding:14px;border-radius:16px;background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.08)}
    .recommend-item b{display:block;margin-bottom:4px}
    .recommend-item span{color:var(--muted);font-size:13px}
    .empty-state{padding:28px;border-radius:22px;border:1px dashed rgba(255,255,255,.18);background:rgba(255,255,255,.04);color:var(--muted);text-align:center}
    .story-band{padding:34px;border-radius:32px;border:1px solid rgba(53,231,176,.18);background:linear-gradient(135deg, rgba(53,231,176,.12), rgba(31,183,212,.07), rgba(246,189,85,.06));display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:center}
    .story-band h2{font-size:clamp(28px,3vw,42px);line-height:1.18;margin:0;font-weight:950;letter-spacing:-.04em}
    .story-band p{color:#c3d7d0;margin:14px 0 0}
    .story-pills{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
    .story-pills span{padding:8px 11px;border-radius:999px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);color:#dff2ec;font-size:13px;font-weight:800}
    .faq-wrap{display:grid;grid-template-columns:.82fr 1.18fr;gap:26px}
    .faq-list{display:grid;gap:12px}
    .faq-item{border:1px solid rgba(255,255,255,.1);border-radius:20px;background:rgba(255,255,255,.045);overflow:hidden}
    .faq-question{width:100%;display:flex;justify-content:space-between;gap:18px;align-items:center;padding:18px 20px;background:transparent;color:var(--text);font-weight:900;text-align:left}
    .faq-icon{width:28px;height:28px;border-radius:10px;background:rgba(53,231,176,.1);color:var(--primary);display:grid;place-items:center;flex:0 0 auto;transition:.2s ease}
    .faq-answer{display:none;padding:0 20px 20px;color:var(--muted)}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-icon{transform:rotate(45deg);background:var(--primary);color:#06241d}
    .cta-section{padding:86px 0 104px}
    .cta-panel{display:grid;grid-template-columns:1fr .72fr;gap:24px;padding:30px;border-radius:34px;border:1px solid rgba(53,231,176,.22);background:linear-gradient(135deg, rgba(53,231,176,.14), rgba(255,255,255,.045) 54%, rgba(246,189,85,.08));box-shadow:var(--shadow)}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .field{display:grid;gap:8px}
    .field.full{grid-column:1/-1}
    .field label{font-size:14px;color:#d9ede6;font-weight:800}
    .field input,.field textarea{
      min-height:48px;border-radius:15px;border:1px solid rgba(255,255,255,.12);
      background:rgba(4,10,9,.42);color:var(--text);padding:12px 14px;outline:none;
      transition:border-color .2s ease, box-shadow .2s ease, background .2s ease;
    }
    .field textarea{min-height:124px;resize:vertical}
    .field input::placeholder,.field textarea::placeholder{color:#718981}
    .field input:focus,.field textarea:focus{border-color:rgba(53,231,176,.55);box-shadow:0 0 0 4px rgba(53,231,176,.1);background:rgba(4,10,9,.62)}
    .checkline{display:flex;gap:10px;align-items:flex-start;color:var(--muted);font-size:14px;margin:16px 0}
    .checkline input{width:18px;height:18px;margin-top:4px;accent-color:var(--primary);flex:0 0 auto}
    .contact-card{padding:24px;border-radius:26px;background:rgba(4,10,9,.32);border:1px solid rgba(255,255,255,.1)}
    .contact-card h3{font-size:24px;margin:0 0 12px;font-weight:950}
    .contact-points{display:grid;gap:12px;margin-top:20px}
    .contact-point{display:flex;gap:12px;align-items:flex-start;padding:14px;border-radius:16px;background:rgba(255,255,255,.045)}
    .contact-point b{display:block}
    .contact-point span{display:block;color:var(--muted);font-size:13px;margin-top:2px}
    .site-footer{border-top:1px solid rgba(255,255,255,.08);background:rgba(3,8,7,.55);padding:42px 0 28px}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:26px}
    .footer-title{font-weight:950;font-size:18px;margin-bottom:10px}
    .footer-text{color:var(--muted);font-size:14px;margin:0;max-width:520px}
    .footer-links{display:grid;gap:8px}
    .footer-links a{color:#c8ddd6;font-size:14px;transition:.2s ease}
    .footer-links a:hover{color:var(--primary);transform:translateX(2px)}
    .copyright{margin-top:30px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:var(--muted-2);font-size:13px}
    @media (min-width:1280px){
      .hero-grid{gap:58px}
      .dp-cover{min-height:530px}
    }
    @media (max-width:1279px){
      :root{--container:1120px}
      .nav-links a{padding:9px 11px}
      .hero-grid{gap:28px}
      h1{font-size:56px}
    }
    @media (max-width:1023px){
      .nav-links,.nav-actions{display:none}
      .mobile-toggle{display:grid;place-items:center}
      .mobile-panel .nav-actions-mobile{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px}
      .hero-grid,.material-wrap,.compare-grid,.ranking-grid,.news-layout,.story-band,.faq-wrap,.cta-panel{grid-template-columns:1fr}
      .hero{padding-top:42px}
      .dp-cover{min-height:440px;transform:rotate(0deg)}
      .benefit-grid{grid-template-columns:1fr 1fr}
      .benefit-card.featured{grid-row:auto;grid-column:1/-1}
      .recommend-card{position:relative;top:auto}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:767px){
      .site-container{width:min(100% - 28px, var(--container))}
      .nav-wrap{height:68px}
      .brand-title{font-size:16px}
      .brand-sub{display:none}
      .section-pad{padding:64px 0}
      .section-head{display:block}
      h1{font-size:42px}
      .hero-intro{font-size:16px}
      .hero-actions,.notice-bar{align-items:stretch;flex-direction:column}
      .btn{width:100%}
      .hero-kpis{grid-template-columns:1fr}
      .dp-cover{min-height:420px;border-radius:26px}
      .cover-main{left:18px;right:18px;top:24px}
      .cover-float{right:18px;bottom:52px;width:calc(100% - 36px);transform:none}
      .cover-chip{left:18px;bottom:18px}
      .benefit-grid{grid-template-columns:1fr}
      .stage-line{grid-template-columns:82px 1fr 48px}
      .rank-item{grid-template-columns:42px 1fr;gap:10px}
      .rank-metric,.trend{grid-column:2}
      .form-grid{grid-template-columns:1fr}
      .cta-panel{padding:20px;border-radius:26px}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:block}
      .copyright span{display:block;margin-top:8px}
    }
    @media (max-width:520px){
      .section-title{font-size:29px}
      .cover-main h2{font-size:22px}
      .cover-row{font-size:13px}
      .news-card h3{font-size:18px}
      .mobile-panel .nav-actions-mobile{grid-template-columns:1fr}
    }

/* roulang page: article */
:root{
      --bg:#08110f;
      --bg-2:#0c1715;
      --panel:#111f1c;
      --panel-2:#162824;
      --card:#13221f;
      --text:#eef8f4;
      --muted:#9eb5ae;
      --muted-2:#6f8880;
      --line:rgba(161, 218, 199, .16);
      --line-strong:rgba(83, 232, 185, .42);
      --primary:#35e7b0;
      --primary-2:#1fb7d4;
      --warm:#f6bd55;
      --danger:#ff7b7b;
      --shadow:0 20px 60px rgba(0,0,0,.28);
      --shadow-soft:0 12px 36px rgba(0,0,0,.18);
      --radius:18px;
      --radius-lg:26px;
      --container:1240px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      color:var(--text);
      background:
        radial-gradient(circle at 84% 6%, rgba(53,231,176,.16), transparent 34%),
        radial-gradient(circle at 10% 30%, rgba(31,183,212,.11), transparent 34%),
        linear-gradient(180deg, #07100e 0%, #0a1513 46%, #070d0c 100%);
      font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC",sans-serif;
      line-height:1.72;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.022) 1px, transparent 1px);
      background-size:36px 36px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.75), transparent 78%);
      z-index:-1;
    }
    ::selection{background:rgba(53,231,176,.28);color:#fff}
    a{color:inherit;text-decoration:none}
    img,svg{display:block;max-width:100%}
    button,input,textarea{font:inherit}
    button{cursor:pointer;border:0}
    input,textarea,select{width:100%}
    .site-container{width:min(var(--container), calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      border-bottom:1px solid rgba(255,255,255,.08);
      background:rgba(8,17,15,.78);
      backdrop-filter:blur(18px);
    }
    .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:18px}
    .brand{display:flex;align-items:center;gap:12px;min-width:max-content}
    .brand-mark{
      width:42px;height:42px;border-radius:14px;
      display:grid;place-items:center;
      background:linear-gradient(135deg, rgba(53,231,176,.22), rgba(31,183,212,.14));
      border:1px solid rgba(53,231,176,.28);
      box-shadow:0 0 0 6px rgba(53,231,176,.04);
      position:relative;overflow:hidden;
    }
    .brand-mark:after{content:"";position:absolute;width:18px;height:18px;border-radius:5px;border:2px solid var(--primary);transform:rotate(45deg)}
    .brand-mark:before{content:"";position:absolute;width:6px;height:6px;border-radius:99px;background:var(--warm);right:9px;top:9px}
    .brand-title{font-weight:850;letter-spacing:-.02em;font-size:18px}
    .brand-sub{font-size:12px;color:var(--muted);margin-top:-4px}
    .nav-links{
      display:flex;align-items:center;gap:6px;
      padding:6px;
      border:1px solid rgba(255,255,255,.08);
      border-radius:999px;
      background:rgba(255,255,255,.035);
    }
    .nav-links a{
      padding:9px 14px;border-radius:999px;color:#c6d8d2;
      font-size:14px;font-weight:700;transition:.22s ease;
    }
    .nav-links a:hover,.nav-links a.active{
      color:#061b16;background:var(--primary);
      box-shadow:0 10px 24px rgba(53,231,176,.15);
    }
    .nav-actions{display:flex;align-items:center;gap:10px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:44px;padding:0 18px;border-radius:14px;
      font-weight:800;font-size:14px;letter-spacing:.01em;
      transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease, background .22s ease, color .22s ease, opacity .22s ease;
      white-space:nowrap;
    }
    .btn:hover{transform:translateY(-2px)}
    .btn-primary{
      background:linear-gradient(135deg, var(--primary), #6df0ca);
      color:#06241d;
      box-shadow:0 12px 30px rgba(53,231,176,.18);
    }
    .btn-primary:hover{box-shadow:0 18px 42px rgba(53,231,176,.28)}
    .btn-secondary{
      border:1px solid rgba(255,255,255,.16);
      background:rgba(255,255,255,.05);
      color:#e6f5f0;
    }
    .btn-secondary:hover{
      border-color:rgba(53,231,176,.45);
      background:rgba(53,231,176,.08);
      box-shadow:0 16px 34px rgba(0,0,0,.12);
    }
    .btn-warm{
      background:linear-gradient(135deg, var(--warm), #ffe0a3);
      color:#2b1b04;
      box-shadow:0 14px 34px rgba(246,189,85,.18);
    }
    .btn-warm:hover{box-shadow:0 18px 42px rgba(246,189,85,.26)}
    .btn:focus-visible,.nav-links a:focus-visible,.faq-summary:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
      outline:3px solid rgba(53,231,176,.35);
      outline-offset:3px;
    }
    .mobile-toggle{
      display:none;width:44px;height:44px;border-radius:14px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.1);
      color:var(--text)
    }
    .mobile-panel{
      display:none;
      border-top:1px solid rgba(255,255,255,.08);
      padding:0 0 18px;
    }
    .mobile-panel.open{display:block}
    .mobile-panel a{
      display:block;
      padding:12px 14px;
      margin-top:8px;
      border-radius:14px;
      background:rgba(255,255,255,.04);
      color:#d7e8e2;
      font-weight:750;
    }
    .mobile-panel a:hover{background:rgba(53,231,176,.08)}
    .nav-actions-mobile{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px}
    main{overflow:hidden}
    .section-pad{padding:80px 0}
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:26px;
    }
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 11px;
      border-radius:999px;
      border:1px solid rgba(53,231,176,.22);
      background:rgba(53,231,176,.07);
      color:#aaf4dc;
      font-size:13px;
      font-weight:800;
      letter-spacing:.02em;
      margin-bottom:14px;
    }
    .section-title{
      font-size:clamp(26px,3.2vw,44px);
      line-height:1.18;
      letter-spacing:-.04em;
      font-weight:900;
      margin:0;
    }
    .section-desc{
      max-width:690px;
      color:var(--muted);
      font-size:16px;
      margin:12px 0 0;
    }
    .breadcrumb{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:8px;
      color:var(--muted-2);
      font-size:14px;
      margin-bottom:14px;
    }
    .breadcrumb a{color:#cfe4dd}
    .breadcrumb a:hover{color:var(--primary)}
    .article-hero{
      border:1px solid rgba(255,255,255,.09);
      background:
        linear-gradient(180deg, rgba(255,255,255,.055), rgba(255,255,255,.03)),
        linear-gradient(135deg, rgba(53,231,176,.05), rgba(31,183,212,.03));
      box-shadow:var(--shadow);
      border-radius:var(--radius-lg);
      padding:28px;
      position:relative;
      overflow:hidden;
    }
    .article-hero:after{
      content:"";
      position:absolute;
      inset:auto -12% -24% auto;
      width:340px;height:340px;
      background:radial-gradient(circle, rgba(53,231,176,.11), transparent 70%);
      pointer-events:none;
    }
    .article-title{
      margin:0;
      font-size:clamp(30px,4.2vw,58px);
      line-height:1.1;
      letter-spacing:-.05em;
      font-weight:950;
      max-width:860px;
    }
    .article-summary{
      margin-top:16px;
      max-width:860px;
      color:#c3d5cf;
      font-size:17px;
      line-height:1.9;
    }
    .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:18px;
    }
    .meta-chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:36px;
      padding:0 12px;
      border-radius:999px;
      color:#dff2ec;
      border:1px solid rgba(255,255,255,.11);
      background:rgba(255,255,255,.04);
      font-size:13px;
      font-weight:750;
    }
    .meta-chip .dot{width:7px;height:7px;border-radius:999px;background:var(--primary);box-shadow:0 0 0 4px rgba(53,231,176,.08)}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
    .status-meter{
      margin-top:22px;
      display:flex;
      align-items:center;
      gap:12px;
      flex-wrap:wrap;
      color:var(--muted);
      font-size:13px;
    }
    .meter{
      flex:1 1 220px;
      height:10px;
      border-radius:999px;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.05);
      min-width:220px;
    }
    .meter span{
      display:block;height:100%;
      width:78%;
      border-radius:inherit;
      background:linear-gradient(90deg, var(--primary), var(--primary-2));
      box-shadow:0 0 24px rgba(53,231,176,.22);
    }
    .hero-side{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:12px;
    }
    .mini-stat{
      border-radius:20px;
      background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
      border:1px solid rgba(255,255,255,.08);
      padding:16px;
      min-height:124px;
      box-shadow:var(--shadow-soft);
    }
    .mini-stat .icon{
      width:38px;height:38px;border-radius:12px;
      display:grid;place-items:center;
      background:rgba(53,231,176,.1);
      border:1px solid rgba(53,231,176,.18);
      color:#b5ffea;
    }
    .mini-stat .label{
      margin-top:12px;
      color:var(--muted);
      font-size:13px;
      font-weight:700;
    }
    .mini-stat .num{
      margin-top:4px;
      font-size:27px;
      line-height:1;
      letter-spacing:-.05em;
      font-weight:900;
      font-variant-numeric:tabular-nums;
    }
    .mini-stat .desc{
      margin-top:8px;
      color:var(--muted-2);
      font-size:12px;
      line-height:1.6;
    }
    .article-layout{
      display:grid;
      grid-template-columns:minmax(0,720px) minmax(300px,340px);
      gap:24px;
      align-items:start;
    }
    .article-card{
      border:1px solid rgba(255,255,255,.09);
      background:var(--panel);
      border-radius:var(--radius-lg);
      padding:26px;
      box-shadow:var(--shadow-soft);
    }
    .content-prose{
      max-width:720px;
      color:#deede8;
      font-size:16px;
      line-height:1.95;
    }
    .content-prose > *:first-child{margin-top:0}
    .content-prose > *:last-child{margin-bottom:0}
    .content-prose h2,
    .content-prose h3,
    .content-prose h4{
      margin:1.65em 0 .8em;
      line-height:1.25;
      letter-spacing:-.03em;
      font-weight:900;
      color:#f4fbf8;
    }
    .content-prose h2{font-size:1.7rem}
    .content-prose h3{font-size:1.28rem}
    .content-prose h4{font-size:1.08rem}
    .content-prose p{margin:1em 0;color:#d9e8e3}
    .content-prose a{
      color:#8ef0cf;
      border-bottom:1px solid rgba(53,231,176,.35);
      transition:.2s ease;
    }
    .content-prose a:hover{color:#d0fff1;border-bottom-color:rgba(53,231,176,.65)}
    .content-prose ul,
    .content-prose ol{
      margin:1em 0;
      padding-left:1.35em;
    }
    .content-prose li{margin:.55em 0}
    .content-prose blockquote{
      margin:1.35em 0;
      padding:16px 18px;
      border-left:4px solid var(--primary);
      background:rgba(53,231,176,.06);
      border-radius:0 16px 16px 0;
      color:#def8ef;
    }
    .content-prose hr{
      margin:1.6em 0;
      border:0;
      border-top:1px solid var(--line);
    }
    .content-prose code{
      padding:.2em .45em;
      border-radius:8px;
      background:rgba(255,255,255,.08);
      color:#dfffee;
      font-size:.94em;
    }
    .content-prose pre{
      margin:1.4em 0;
      padding:16px;
      overflow:auto;
      border-radius:18px;
      background:#091513;
      border:1px solid rgba(255,255,255,.08);
    }
    .content-prose pre code{
      padding:0;
      background:transparent;
      color:#c8fce9;
      white-space:pre;
    }
    .content-prose img{
      border-radius:18px;
      margin:1.3em 0;
      border:1px solid rgba(255,255,255,.08);
      box-shadow:var(--shadow-soft);
    }
    .content-prose table{
      width:100%;
      margin:1.3em 0;
      border-collapse:collapse;
      overflow:hidden;
      border-radius:16px;
      border:1px solid rgba(255,255,255,.08);
      display:block;
    }
    .content-prose table thead{background:rgba(255,255,255,.05)}
    .content-prose table th,
    .content-prose table td{
      padding:12px 14px;
      border-bottom:1px solid rgba(255,255,255,.06);
      text-align:left;
      vertical-align:top;
      white-space:nowrap;
    }
    .sidebar-stack{
      display:grid;
      gap:14px;
    }
    .aside-card{
      border:1px solid rgba(255,255,255,.09);
      background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.03));
      border-radius:var(--radius);
      padding:18px;
      box-shadow:var(--shadow-soft);
    }
    .aside-title{
      font-size:15px;
      font-weight:900;
      letter-spacing:-.02em;
      margin-bottom:12px;
      color:#f3fbf8;
    }
    .aside-list{
      display:grid;
      gap:10px;
    }
    .aside-list div{
      display:flex;
      justify-content:space-between;
      gap:12px;
      padding:12px 0;
      border-bottom:1px solid rgba(255,255,255,.06);
      font-size:13px;
    }
    .aside-list div:last-child{border-bottom:0;padding-bottom:0}
    .aside-list span{color:var(--muted)}
    .aside-list strong{color:#f2fbf8;text-align:right;max-width:58%}
    .entry-card{
      display:block;
      padding:14px 14px 15px;
      border-radius:18px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
      transition:transform .22s ease, border-color .22s ease, box-shadow .22s ease, background .22s ease;
    }
    .entry-card:hover{
      transform:translateY(-2px);
      border-color:rgba(53,231,176,.28);
      background:rgba(53,231,176,.06);
      box-shadow:0 18px 32px rgba(0,0,0,.16);
    }
    .entry-tag{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:28px;
      padding:0 10px;
      border-radius:999px;
      background:rgba(53,231,176,.08);
      border:1px solid rgba(53,231,176,.16);
      color:#aaf4dc;
      font-size:12px;
      font-weight:800;
      margin-bottom:10px;
    }
    .entry-card strong{
      display:block;
      font-size:15px;
      line-height:1.4;
      color:#f3fbf8;
    }
    .entry-card em{
      display:block;
      margin-top:7px;
      color:var(--muted);
      font-style:normal;
      font-size:13px;
      line-height:1.7;
    }
    .feature-grid{
      display:grid;
      gap:14px;
      grid-template-columns:repeat(4,minmax(0,1fr));
    }
    .feature-card{
      border:1px solid rgba(255,255,255,.09);
      background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.025));
      border-radius:22px;
      padding:18px;
      min-height:184px;
      box-shadow:var(--shadow-soft);
      transition:transform .22s ease, border-color .22s ease, box-shadow .22s ease;
    }
    .feature-card:hover{
      transform:translateY(-2px);
      border-color:rgba(53,231,176,.24);
      box-shadow:0 20px 42px rgba(0,0,0,.18);
    }
    .feature-ico{
      width:42px;height:42px;border-radius:14px;
      display:grid;place-items:center;
      background:rgba(53,231,176,.1);
      border:1px solid rgba(53,231,176,.18);
      color:#bdf7e2;
    }
    .feature-title{
      margin-top:14px;
      font-size:17px;
      font-weight:900;
      letter-spacing:-.02em;
    }
    .feature-text{
      margin-top:10px;
      color:var(--muted);
      font-size:14px;
      line-height:1.8;
      min-height:78px;
    }
    .feature-badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:28px;
      padding:0 10px;
      border-radius:999px;
      border:1px solid rgba(246,189,85,.22);
      background:rgba(246,189,85,.08);
      color:#ffe2ab;
      font-size:12px;
      font-weight:800;
      margin-top:8px;
    }
    .news-grid{
      display:grid;
      gap:14px;
      grid-template-columns:repeat(3,minmax(0,1fr));
    }
    .news-card{
      display:flex;
      flex-direction:column;
      gap:12px;
      padding:18px;
      min-height:220px;
      border-radius:22px;
      border:1px solid rgba(255,255,255,.09);
      background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.025));
      box-shadow:var(--shadow-soft);
      transition:transform .22s ease, border-color .22s ease, box-shadow .22s ease;
    }
    .news-card:hover{
      transform:translateY(-2px);
      border-color:rgba(53,231,176,.24);
      box-shadow:0 22px 42px rgba(0,0,0,.18);
    }
    .news-top{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      align-items:center;
      justify-content:space-between;
    }
    .news-title{
      margin:0;
      font-size:18px;
      line-height:1.45;
      font-weight:900;
      letter-spacing:-.02em;
      color:#f5fbf8;
    }
    .news-text{
      color:var(--muted);
      line-height:1.8;
      font-size:14px;
      flex:1 1 auto;
    }
    .news-foot{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      flex-wrap:wrap;
      color:var(--muted-2);
      font-size:13px;
      padding-top:6px;
      border-top:1px solid rgba(255,255,255,.06);
    }
    .news-foot .link{
      color:#aaf4dc;
      font-weight:800;
    }
    .faq-list{
      display:grid;
      gap:12px;
    }
    .faq-item{
      border:1px solid rgba(255,255,255,.09);
      background:rgba(255,255,255,.04);
      border-radius:18px;
      overflow:hidden;
      box-shadow:var(--shadow-soft);
    }
    .faq-summary{
      list-style:none;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:18px 20px;
      cursor:pointer;
      color:#f4fbf8;
      font-size:16px;
      font-weight:850;
      letter-spacing:-.02em;
    }
    .faq-summary::-webkit-details-marker{display:none}
    .faq-summary .mark{
      width:30px;height:30px;border-radius:10px;
      display:grid;place-items:center;
      background:rgba(53,231,176,.08);
      border:1px solid rgba(53,231,176,.16);
      color:#b8f6e0;
      flex:0 0 auto;
      transition:transform .22s ease;
    }
    .faq-item[open] .faq-summary .mark{transform:rotate(45deg)}
    .faq-answer{
      padding:0 20px 18px;
      color:var(--muted);
      font-size:15px;
      line-height:1.9;
    }
    .contact-card{
      border:1px solid rgba(255,255,255,.09);
      background:
        linear-gradient(135deg, rgba(53,231,176,.08), rgba(31,183,212,.04)),
        linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.03));
      border-radius:var(--radius-lg);
      padding:28px;
      box-shadow:var(--shadow);
    }
    .form-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:14px;
    }
    .field{display:flex;flex-direction:column;gap:8px}
    .field.full{grid-column:1 / -1}
    .field label{
      font-size:13px;
      color:#d7ebe4;
      font-weight:800;
    }
    .field input,.field textarea{
      border:1px solid rgba(255,255,255,.1);
      background:rgba(7,16,14,.62);
      color:var(--text);
      border-radius:16px;
      padding:14px 15px;
      transition:border-color .22s ease, box-shadow .22s ease, background .22s ease, transform .22s ease;
    }
    .field textarea{min-height:140px;resize:vertical}
    .field input::placeholder,.field textarea::placeholder{color:#80938d}
    .field input:focus,.field textarea:focus{
      border-color:rgba(53,231,176,.42);
      background:rgba(7,16,14,.8);
      box-shadow:0 0 0 4px rgba(53,231,176,.09);
    }
    .check-row{
      display:flex;
      gap:10px;
      align-items:flex-start;
      margin-top:14px;
      color:var(--muted);
      font-size:13px;
      line-height:1.7;
    }
    .check-row input{
      width:18px;height:18px;
      margin-top:2px;
      flex:0 0 auto;
      accent-color:var(--primary);
    }
    .submit-row{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      align-items:center;
      margin-top:18px;
    }
    .submit-note{
      color:var(--muted-2);
      font-size:13px;
      line-height:1.7;
    }
    .service-stack{
      display:grid;
      gap:12px;
    }
    .service-card{
      border:1px solid rgba(255,255,255,.09);
      background:rgba(255,255,255,.04);
      border-radius:18px;
      padding:16px;
    }
    .service-card strong{
      display:block;
      font-size:15px;
      color:#f4fbf8;
      margin-bottom:8px;
    }
    .service-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.8;
    }
    .empty-state{
      border:1px dashed rgba(53,231,176,.28);
      background:rgba(53,231,176,.05);
      border-radius:22px;
      padding:28px;
      text-align:center;
    }
    .empty-title{
      font-size:24px;
      font-weight:900;
      letter-spacing:-.03em;
      margin:0;
    }
    .empty-state p{
      margin:12px auto 0;
      max-width:640px;
      color:var(--muted);
      line-height:1.9;
    }
    .site-footer{
      margin-top:14px;
      padding:32px 0 26px;
      border-top:1px solid rgba(255,255,255,.08);
      background:rgba(5,12,11,.5);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.25fr .7fr .9fr;
      gap:26px;
      padding:12px 0 22px;
    }
    .footer-title{
      font-size:15px;
      font-weight:900;
      color:#f5fbf8;
      margin-bottom:12px;
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:#c7d9d2;
      transition:.2s ease;
    }
    .footer-links a:hover{color:var(--primary)}
    .footer-text{
      color:var(--muted);
      font-size:14px;
      line-height:1.85;
    }
    .copyright{
      padding-top:18px;
      border-top:1px solid rgba(255,255,255,.08);
      display:flex;
      justify-content:space-between;
      gap:12px;
      flex-wrap:wrap;
      color:var(--muted-2);
      font-size:13px;
    }
    .muted{color:var(--muted)}
    .text-strong{color:#f5fbf8}
    @media (max-width:1279px){
      .article-layout{grid-template-columns:minmax(0,1fr) 320px}
      .feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    }
    @media (max-width:1024px){
      .nav-links,.nav-actions{display:none}
      .mobile-toggle{display:grid;place-items:center}
      .article-layout{grid-template-columns:1fr}
      .hero-side{grid-template-columns:repeat(2,minmax(0,1fr))}
      .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .site-container{width:min(var(--container), calc(100% - 28px))}
      .nav-wrap{height:72px}
      .section-pad{padding:64px 0}
      .article-hero{padding:22px}
      .article-card{padding:20px}
      .contact-card{padding:22px}
      .hero-side,.feature-grid,.news-grid,.footer-grid,.form-grid{grid-template-columns:1fr}
      .section-head{align-items:flex-start;flex-direction:column}
      .btn{width:auto}
      .hero-actions,.submit-row,.nav-actions-mobile{grid-template-columns:1fr}
      .nav-actions-mobile,.submit-row,.hero-actions{display:flex;flex-direction:column;align-items:stretch}
      .copyright{flex-direction:column}
      .article-title{font-size:clamp(28px,8vw,44px)}
      .article-summary{font-size:16px}
      .content-prose{font-size:15px;line-height:1.9}
      .content-prose h2{font-size:1.45rem}
      .content-prose h3{font-size:1.15rem}
    }
    @media (max-width:520px){
      .brand-title{font-size:17px}
      .brand-sub{font-size:11px}
      .article-hero:after{width:220px;height:220px}
      .mini-stat{min-height:auto}
      .mini-stat .num{font-size:24px}
      .faq-summary{padding:16px}
      .faq-answer{padding:0 16px 16px}
    }