/* roulang page: index */
:root{
      --bg: #0b0d10;
      --bg-soft: #11151b;
      --surface: rgba(255,255,255,.04);
      --surface-strong: rgba(255,255,255,.08);
      --card: #151a21;
      --card-2: #171d25;
      --line: rgba(255,255,255,.10);
      --line-2: rgba(255,255,255,.16);
      --text: #f4f7fb;
      --muted: #a9b3c2;
      --soft: #7f8a9b;
      --accent: #22d3a6;
      --accent-2: #ffb84d;
      --accent-3: #7de2ff;
      --shadow: 0 24px 60px rgba(0,0,0,.34);
      --shadow-soft: 0 12px 28px rgba(0,0,0,.22);
      --radius-lg: 22px;
      --radius-md: 16px;
      --radius-sm: 12px;
      --container: 1180px;
      --gap: 24px;
      --ease: cubic-bezier(.2,.7,.2,1);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      background:
        radial-gradient(circle at top left, rgba(34,211,166,.12), transparent 30%),
        radial-gradient(circle at top right, rgba(255,184,77,.10), transparent 24%),
        linear-gradient(180deg, #090b0e 0%, #0b0d10 40%, #0e1116 100%);
      color:var(--text);
      line-height:1.7;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{
      display:block;
      max-width:100%;
      height:auto;
    }
    button,input,summary{font:inherit}
    ::selection{background:rgba(34,211,166,.28);color:#fff}
    :focus-visible{
      outline:3px solid rgba(34,211,166,.55);
      outline-offset:3px;
    }
    .skip-link{
      position:absolute;
      left:-9999px;
      top:12px;
      z-index:1000;
      padding:10px 14px;
      background:#fff;
      color:#111;
      border-radius:999px;
    }
    .skip-link:focus{left:12px}
    .container{
      width:min(var(--container), calc(100% - 32px));
      margin:0 auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:100;
      backdrop-filter: blur(18px);
      background:rgba(11,13,16,.72);
      border-bottom:1px solid rgba(255,255,255,.07);
    }
    .header-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      min-height:82px;
      padding:14px 0;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:14px;
      background:
        linear-gradient(145deg, rgba(34,211,166,.95), rgba(255,184,77,.85));
      box-shadow:0 12px 30px rgba(34,211,166,.18);
      position:relative;
      flex:0 0 auto;
    }
    .brand-mark:before,
    .brand-mark:after{
      content:"";
      position:absolute;
      inset:10px;
      border-radius:10px;
      border:1px solid rgba(255,255,255,.38);
    }
    .brand-mark:after{
      inset:15px;
      border-radius:7px;
      opacity:.6;
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.2;
    }
    .brand-text strong{
      font-size:16px;
      letter-spacing:.2px;
    }
    .brand-text span{
      font-size:12px;
      color:var(--muted);
      margin-top:3px;
    }
    .site-nav{
      display:flex;
      align-items:center;
      gap:8px;
      flex-wrap:wrap;
      justify-content:center;
    }
    .site-nav a{
      position:relative;
      padding:12px 15px;
      color:var(--muted);
      border-radius:999px;
      transition:color .22s var(--ease), background .22s var(--ease), transform .22s var(--ease);
      font-size:14px;
      letter-spacing:.2px;
    }
    .site-nav a:hover,
    .site-nav a:focus-visible{
      color:var(--text);
      background:rgba(255,255,255,.06);
      transform:translateY(-1px);
    }
    .site-nav a.active{
      color:#091015;
      background:linear-gradient(135deg, rgba(34,211,166,1), rgba(125,226,255,.9));
      box-shadow:0 10px 24px rgba(34,211,166,.18);
      font-weight:700;
    }
    .header-action{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:0 18px;
      border-radius:14px;
      background:linear-gradient(135deg, rgba(255,184,77,1), rgba(255,152,68,1));
      color:#161006;
      font-weight:700;
      box-shadow:0 16px 28px rgba(255,184,77,.16);
      transition:transform .22s var(--ease), box-shadow .22s var(--ease), filter .22s var(--ease);
      white-space:nowrap;
    }
    .header-action:hover,
    .header-action:focus-visible{
      transform:translateY(-2px);
      box-shadow:0 20px 34px rgba(255,184,77,.22);
      filter:saturate(1.05);
    }

    .hero{
      position:relative;
      isolation:isolate;
      min-height:680px;
      padding:52px 0 44px;
      overflow:hidden;
      border-bottom:1px solid rgba(255,255,255,.06);
      background:
        linear-gradient(180deg, rgba(8,10,13,.30), rgba(8,10,13,.75)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    }
    .hero:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(120deg, rgba(11,13,16,.88) 0%, rgba(11,13,16,.50) 42%, rgba(11,13,16,.70) 100%),
        radial-gradient(circle at 18% 18%, rgba(34,211,166,.24), transparent 18%),
        radial-gradient(circle at 80% 20%, rgba(255,184,77,.16), transparent 22%);
      z-index:-1;
    }
    .hero-inner{
      display:grid;
      grid-template-columns:minmax(0,1.12fr) minmax(300px,.88fr);
      gap:34px;
      align-items:end;
      min-height:560px;
    }
    .hero-copy{
      padding:20px 0 10px;
      max-width:760px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border:1px solid rgba(255,255,255,.12);
      border-radius:999px;
      background:rgba(255,255,255,.05);
      color:#d8e1ec;
      font-size:13px;
      letter-spacing:.3px;
      margin-bottom:18px;
    }
    .eyebrow i{
      width:8px;
      height:8px;
      border-radius:999px;
      background:var(--accent);
      box-shadow:0 0 0 4px rgba(34,211,166,.14);
      display:inline-block;
    }
    .hero h1{
      margin:0;
      font-size:clamp(34px, 4.6vw, 64px);
      line-height:1.06;
      letter-spacing:-.02em;
      max-width:10.5em;
    }
    .hero h1 .accent{
      color:var(--accent);
    }
    .hero p{
      margin:18px 0 0;
      max-width:42em;
      font-size:16px;
      color:var(--muted);
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:28px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      min-height:48px;
      padding:0 20px;
      border-radius:14px;
      border:1px solid transparent;
      transition:transform .22s var(--ease), box-shadow .22s var(--ease), background .22s var(--ease), border-color .22s var(--ease), color .22s var(--ease);
      font-weight:700;
      letter-spacing:.2px;
      cursor:pointer;
      user-select:none;
      white-space:nowrap;
    }
    .btn-primary{
      background:linear-gradient(135deg, rgba(34,211,166,1), rgba(125,226,255,.95));
      color:#071013;
      box-shadow:0 16px 30px rgba(34,211,166,.18);
    }
    .btn-primary:hover,
    .btn-primary:focus-visible{
      transform:translateY(-2px);
      box-shadow:0 20px 38px rgba(34,211,166,.24);
    }
    .btn-secondary{
      background:rgba(255,255,255,.05);
      border-color:rgba(255,255,255,.10);
      color:var(--text);
    }
    .btn-secondary:hover,
    .btn-secondary:focus-visible{
      transform:translateY(-2px);
      background:rgba(255,255,255,.08);
      border-color:rgba(255,255,255,.18);
    }
    .btn-ghost{
      background:transparent;
      border-color:rgba(255,255,255,.12);
      color:var(--text);
    }
    .btn-ghost:hover,
    .btn-ghost:focus-visible{
      transform:translateY(-2px);
      background:rgba(255,255,255,.06);
    }
    .hero-panel{
      position:relative;
      align-self:center;
      background:linear-gradient(180deg, rgba(19,23,29,.72), rgba(17,20,26,.88));
      border:1px solid rgba(255,255,255,.10);
      border-radius:28px;
      box-shadow:var(--shadow);
      overflow:hidden;
      backdrop-filter:blur(16px);
    }
    .hero-panel .panel-top{
      padding:22px;
      border-bottom:1px solid rgba(255,255,255,.08);
      background:
        linear-gradient(135deg, rgba(34,211,166,.12), transparent 38%),
        linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,0));
    }
    .hero-panel .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:14px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 10px;
      border-radius:999px;
      font-size:12px;
      font-weight:700;
      letter-spacing:.2px;
      background:rgba(255,255,255,.07);
      color:#eaf0f7;
      border:1px solid rgba(255,255,255,.08);
    }
    .badge.accent{
      background:rgba(34,211,166,.14);
      color:#bcffe9;
      border-color:rgba(34,211,166,.22);
    }
    .badge.warn{
      background:rgba(255,184,77,.13);
      color:#ffe2b5;
      border-color:rgba(255,184,77,.22);
    }
    .hero-panel h2{
      margin:0;
      font-size:22px;
      line-height:1.25;
    }
    .hero-panel p{
      margin:12px 0 0;
      color:var(--muted);
      font-size:14px;
    }
    .panel-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px;
      padding:16px;
    }
    .mini-card{
      border-radius:18px;
      padding:16px;
      background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
      border:1px solid rgba(255,255,255,.08);
      min-height:122px;
      box-shadow:inset 0 1px 0 rgba(255,255,255,.03);
    }
    .mini-card strong{
      display:block;
      font-size:15px;
      margin-bottom:8px;
    }
    .mini-card span{
      color:var(--muted);
      font-size:13px;
    }
    .hero-rail{
      margin-top:26px;
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:14px;
    }
    .entry-card{
      padding:18px 18px 17px;
      background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
      border:1px solid rgba(255,255,255,.08);
      border-radius:20px;
      box-shadow:var(--shadow-soft);
      transition:transform .24s var(--ease), border-color .24s var(--ease), background .24s var(--ease), box-shadow .24s var(--ease);
      min-height:132px;
      position:relative;
      overflow:hidden;
    }
    .entry-card:before{
      content:"";
      position:absolute;
      inset:auto -15% -45% auto;
      width:120px;
      height:120px;
      border-radius:999px;
      background:radial-gradient(circle, rgba(34,211,166,.24), transparent 68%);
      pointer-events:none;
    }
    .entry-card:hover{
      transform:translateY(-3px);
      border-color:rgba(255,255,255,.16);
      box-shadow:0 18px 38px rgba(0,0,0,.28);
    }
    .entry-card .top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-bottom:10px;
    }
    .entry-card h3{
      margin:0;
      font-size:15px;
      line-height:1.35;
    }
    .dot{
      width:10px;
      height:10px;
      border-radius:999px;
      background:var(--accent);
      box-shadow:0 0 0 5px rgba(34,211,166,.14);
      flex:0 0 auto;
    }
    .entry-card p{
      margin:0;
      font-size:13px;
      color:var(--muted);
    }
    .entry-card .link{
      display:inline-flex;
      align-items:center;
      gap:6px;
      margin-top:12px;
      font-size:13px;
      color:#dfe7f1;
    }
    .entry-card .link span{
      transition:transform .22s var(--ease);
      display:inline-block;
    }
    .entry-card:hover .link span{transform:translateX(2px)}

    .section{
      padding:72px 0;
    }
    .section-head{
      display:flex;
      flex-wrap:wrap;
      align-items:end;
      justify-content:space-between;
      gap:16px;
      margin-bottom:24px;
    }
    .section-head .title-wrap{
      max-width:760px;
    }
    .section-head h2{
      margin:0;
      font-size:clamp(24px, 2.6vw, 38px);
      line-height:1.18;
      letter-spacing:-.02em;
    }
    .section-head p{
      margin:10px 0 0;
      color:var(--muted);
      max-width:60ch;
      font-size:15px;
    }
    .section-head .section-actions{
      display:flex;
      gap:10px;
      align-items:center;
      flex-wrap:wrap;
    }

    .feature-split{
      display:grid;
      grid-template-columns:minmax(0,1.18fr) minmax(300px,.82fr);
      gap:22px;
      align-items:stretch;
    }
    .card{
      background:linear-gradient(180deg, rgba(255,255,255,.055), rgba(255,255,255,.028));
      border:1px solid rgba(255,255,255,.08);
      border-radius:var(--radius-lg);
      overflow:hidden;
      box-shadow:var(--shadow-soft);
      transition:transform .24s var(--ease), border-color .24s var(--ease), box-shadow .24s var(--ease), background .24s var(--ease);
    }
    .card:hover{
      transform:translateY(-3px);
      border-color:rgba(255,255,255,.15);
      box-shadow:var(--shadow);
    }
    .card-media{
      position:relative;
      overflow:hidden;
      aspect-ratio:16/9;
      background:#0f1318;
    }
    .card-media img{
      width:100%;
      height:100%;
      object-fit:cover;
      transform:scale(1.01);
      transition:transform .38s var(--ease), filter .38s var(--ease);
    }
    .card:hover .card-media img{
      transform:scale(1.05);
      filter:saturate(1.04);
    }
    .card-media:after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(11,13,16,.02), rgba(11,13,16,.72));
      pointer-events:none;
    }
    .card-body{
      padding:20px;
    }
    .card-head{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-bottom:12px;
    }
    .card-title{
      margin:0;
      font-size:20px;
      line-height:1.3;
    }
    .card-text{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .plain-list{
      list-style:none;
      padding:0;
      margin:16px 0 0;
      display:grid;
      gap:10px;
    }
    .plain-list li{
      display:flex;
      align-items:flex-start;
      gap:10px;
      color:#d6dee8;
      font-size:14px;
    }
    .plain-list li i{
      width:18px;
      height:18px;
      margin-top:4px;
      border-radius:6px;
      background:rgba(34,211,166,.16);
      border:1px solid rgba(34,211,166,.24);
      position:relative;
      flex:0 0 auto;
    }
    .plain-list li i:before{
      content:"";
      position:absolute;
      inset:5px;
      border-radius:3px;
      background:var(--accent);
    }
    .side-stack{
      display:grid;
      gap:16px;
    }
    .aside-card{
      display:grid;
      grid-template-columns:120px 1fr;
      gap:14px;
      align-items:stretch;
      min-height:190px;
    }
    .aside-card .card-media{
      aspect-ratio:auto;
      min-height:100%;
    }
    .aside-card .card-body{
      display:flex;
      flex-direction:column;
      justify-content:center;
      padding:18px 18px 18px 0;
    }
    .aside-card .card-title{
      font-size:18px;
    }
    .aside-card .card-text{
      font-size:13px;
    }

    .grid-area{
      display:grid;
      grid-template-columns:1.18fr .92fr .92fr;
      gap:18px;
      align-items:stretch;
    }
    .grid-card{
      position:relative;
      min-height:100%;
    }
    .grid-card.big{
      grid-column:span 1;
    }
    .grid-card .card-body{
      display:flex;
      flex-direction:column;
      gap:12px;
    }
    .grid-card .meta{
      display:flex;
      align-items:center;
      gap:8px;
      flex-wrap:wrap;
    }
    .chip{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.08);
      color:#dce4ee;
      font-size:12px;
    }
    .grid-card .card-title{
      font-size:19px;
    }
    .grid-card .card-text{
      min-height:44px;
    }
    .grid-card .card-foot{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-top:auto;
      padding-top:8px;
    }
    .mini-link{
      display:inline-flex;
      align-items:center;
      gap:6px;
      color:#f2f5f9;
      font-size:13px;
      font-weight:700;
    }
    .mini-link span{
      transition:transform .22s var(--ease);
      display:inline-block;
    }
    .grid-card:hover .mini-link span{transform:translateX(2px)}
    .grid-card.big .card-media{
      aspect-ratio: 4 / 3;
    }

    .lanes{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:18px;
    }
    .lane{
      padding:20px;
      background:linear-gradient(180deg, rgba(255,255,255,.045), rgba(255,255,255,.026));
      border:1px solid rgba(255,255,255,.08);
      border-radius:22px;
      box-shadow:var(--shadow-soft);
    }
    .lane h3{
      margin:0;
      font-size:18px;
      line-height:1.35;
    }
    .lane .sub{
      margin:8px 0 16px;
      color:var(--muted);
      font-size:13px;
    }
    .lane-list{
      list-style:none;
      margin:0;
      padding:0;
      display:grid;
      gap:12px;
    }
    .lane-list li{
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:10px;
      align-items:start;
      padding:12px 0;
      border-top:1px solid rgba(255,255,255,.08);
    }
    .lane-list li:first-child{border-top:none;padding-top:0}
    .lane-list .kind{
      display:inline-flex;
      min-width:60px;
      justify-content:center;
      padding:5px 9px;
      border-radius:999px;
      background:rgba(34,211,166,.12);
      color:#c8fff0;
      border:1px solid rgba(34,211,166,.16);
      font-size:12px;
      font-weight:700;
    }
    .lane-list .kind.warn{
      background:rgba(255,184,77,.12);
      color:#ffe5ba;
      border-color:rgba(255,184,77,.16);
    }
    .lane-list .kind.soft{
      background:rgba(125,226,255,.10);
      color:#d5f5ff;
      border-color:rgba(125,226,255,.16);
    }
    .lane-list strong{
      display:block;
      font-size:14px;
      line-height:1.45;
      margin-bottom:4px;
    }
    .lane-list p{
      margin:0;
      color:var(--muted);
      font-size:13px;
    }
    .lane-list time{
      color:var(--soft);
      font-size:12px;
      white-space:nowrap;
      padding-top:2px;
    }

    .faq-wrap{
      display:grid;
      gap:12px;
      max-width:920px;
    }
    details.faq-item{
      background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.028));
      border:1px solid rgba(255,255,255,.08);
      border-radius:18px;
      overflow:hidden;
      box-shadow:var(--shadow-soft);
      transition:border-color .22s var(--ease), transform .22s var(--ease), box-shadow .22s var(--ease);
    }
    details.faq-item[open]{
      border-color:rgba(34,211,166,.24);
      box-shadow:0 18px 34px rgba(0,0,0,.26);
    }
    details.faq-item summary{
      list-style:none;
      cursor:pointer;
      padding:18px 20px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      font-weight:700;
      color:var(--text);
    }
    details.faq-item summary::-webkit-details-marker{display:none}
    details.faq-item summary span{
      color:var(--muted);
      font-weight:500;
      font-size:13px;
    }
    details.faq-item summary:after{
      content:"+";
      width:26px;
      height:26px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:8px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.08);
      color:#e9eff6;
      flex:0 0 auto;
      transition:transform .22s var(--ease), background .22s var(--ease);
    }
    details.faq-item[open] summary:after{
      content:"–";
      background:rgba(34,211,166,.12);
      color:#d7fff2;
    }
    .faq-content{
      padding:0 20px 18px;
      color:var(--muted);
      font-size:14px;
    }

    .cta{
      position:relative;
      overflow:hidden;
      border-top:1px solid rgba(255,255,255,.06);
      border-bottom:1px solid rgba(255,255,255,.06);
      background:
        linear-gradient(180deg, rgba(11,13,16,.82), rgba(11,13,16,.92)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    }
    .cta-inner{
      display:grid;
      grid-template-columns:minmax(0,1fr) auto;
      gap:24px;
      align-items:center;
      padding:42px 0;
    }
    .cta h2{
      margin:0;
      font-size:clamp(24px, 3vw, 40px);
      line-height:1.16;
    }
    .cta p{
      margin:12px 0 0;
      max-width:58ch;
      color:var(--muted);
      font-size:15px;
    }
    .cta-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }

    .site-footer{
      padding:36px 0 28px;
      background:linear-gradient(180deg, rgba(10,12,15,.96), rgba(8,10,13,1));
    }
    .footer-top{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr 1fr;
      gap:20px;
      padding-bottom:24px;
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .footer-col h3{
      margin:0 0 12px;
      font-size:15px;
      letter-spacing:.2px;
    }
    .footer-col p,
    .footer-col a,
    .footer-col li{
      color:var(--muted);
      font-size:13px;
      line-height:1.8;
    }
    .footer-col ul{
      list-style:none;
      margin:0;
      padding:0;
      display:grid;
      gap:8px;
    }
    .footer-col a{
      transition:color .22s var(--ease);
    }
    .footer-col a:hover,
    .footer-col a:focus-visible{
      color:#f3f7fb;
    }
    .footer-brand{
      display:flex;
      align-items:flex-start;
      gap:12px;
    }
    .footer-brand .brand-mark{
      width:40px;
      height:40px;
      border-radius:13px;
    }
    .footer-bottom{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      padding-top:18px;
      color:var(--soft);
      font-size:12px;
    }
    .footer-note{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      align-items:center;
    }
    .footer-note a{
      color:var(--soft);
    }

    .section-bg{
      position:relative;
    }
    .section-bg:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 12% 15%, rgba(34,211,166,.08), transparent 24%),
        radial-gradient(circle at 86% 20%, rgba(255,184,77,.07), transparent 22%);
      pointer-events:none;
    }
    .section-bg > .container{
      position:relative;
      z-index:1;
    }

    @media (max-width: 1200px){
      .hero-inner,
      .feature-split,
      .cta-inner{
        grid-template-columns:1fr;
      }
      .hero{
        min-height:auto;
      }
      .hero-inner{
        min-height:auto;
        align-items:start;
      }
      .hero-panel{
        max-width:820px;
      }
      .hero-rail{
        grid-template-columns:repeat(2,minmax(0,1fr));
      }
      .grid-area{
        grid-template-columns:1fr 1fr;
      }
      .grid-card.big{
        grid-column:span 2;
      }
      .footer-top{
        grid-template-columns:1fr 1fr;
      }
      .cta-actions{
        justify-content:flex-start;
      }
    }
    @media (max-width: 992px){
      .header-inner{
        flex-wrap:wrap;
        justify-content:center;
      }
      .site-nav{
        order:3;
        width:100%;
      }
      .header-action{
        margin-left:auto;
      }
      .hero{
        padding-top:34px;
      }
      .section{
        padding:60px 0;
      }
      .lanes{
        grid-template-columns:1fr;
      }
      .aside-card{
        grid-template-columns:140px 1fr;
      }
    }
    @media (max-width: 768px){
      .container{
        width:min(var(--container), calc(100% - 24px));
      }
      .hero{
        padding-bottom:28px;
      }
      .hero-copy{
        padding-top:8px;
      }
      .hero h1{
        max-width:none;
      }
      .hero-rail{
        grid-template-columns:1fr;
      }
      .panel-grid{
        grid-template-columns:1fr;
      }
      .feature-split,
      .grid-area,
      .footer-top{
        grid-template-columns:1fr;
      }
      .grid-card.big{
        grid-column:auto;
      }
      .aside-card{
        grid-template-columns:1fr;
      }
      .aside-card .card-body{
        padding:0 18px 18px;
      }
      .site-header{
        position:relative;
      }
      .header-inner{
        gap:14px;
      }
      .header-action{
        width:100%;
        justify-content:center;
        margin-left:0;
      }
      .site-nav a{
        padding:10px 14px;
      }
      .hero-actions,
      .cta-actions{
        width:100%;
      }
      .btn{
        width:100%;
      }
      .cta-inner{
        padding:34px 0;
      }
    }
    @media (max-width: 520px){
      .brand-text strong{font-size:15px}
      .brand-text span{font-size:11px}
      .header-inner{
        min-height:auto;
        padding:12px 0;
      }
      .hero{
        background-position:center top;
      }
      .hero h1{
        font-size:clamp(30px, 10vw, 42px);
      }
      .hero p,
      .section-head p,
      .cta p{
        font-size:14px;
      }
      .card-body,
      .lane,
      .entry-card{
        border-radius:18px;
      }
      .section-head{
        margin-bottom:20px;
      }
      .card-title,
      .grid-card .card-title,
      .lane h3{
        font-size:17px;
      }
      .hero-panel{
        border-radius:22px;
      }
      .entry-card{
        min-height:auto;
      }
      .faq-wrap{
        gap:10px;
      }
      details.faq-item summary{
        padding:16px;
      }
      .faq-content{
        padding:0 16px 16px;
      }
    }
    @media (max-width: 375px){
      .container{
        width:min(var(--container), calc(100% - 18px));
      }
      .eyebrow{
        font-size:12px;
      }
      .badge,
      .chip{
        font-size:11px;
      }
      .entry-card,
      .mini-card,
      .lane,
      .card-body{
        padding:16px;
      }
      .header-action{
        min-height:44px;
      }
    }
    @media (prefers-reduced-motion: reduce){
      *,*::before,*::after{
        animation:none !important;
        transition:none !important;
        scroll-behavior:auto !important;
      }
    }

/* roulang page: category1 */
:root{
      --bg:#090d11;
      --bg-elev:#111820;
      --bg-soft:#151e27;
      --card:#131b24;
      --card-2:#18222d;
      --text:#eef4f8;
      --muted:#99a7b6;
      --line:#263240;
      --line-2:#334151;
      --accent:#28d6c6;
      --accent-2:#f1a23c;
      --accent-3:#7ce3ff;
      --shadow:0 24px 70px rgba(0,0,0,.32);
      --shadow-soft:0 14px 36px rgba(0,0,0,.24);
      --radius:18px;
      --radius-sm:12px;
      --container:1180px;
      --gap:24px;
      --gap-sm:16px;
      --ease:cubic-bezier(.2,.8,.2,1);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",Segoe UI,Roboto,Arial,sans-serif;
      background:
        radial-gradient(1200px 500px at 15% 0%, rgba(40,214,198,.12), transparent 55%),
        radial-gradient(900px 480px at 85% 10%, rgba(241,162,60,.10), transparent 52%),
        linear-gradient(180deg, #0a0e12 0%, #0d1318 100%);
      color:var(--text);
      line-height:1.7;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
      overflow-x:hidden;
    }
    img{max-width:100%;display:block}
    a{color:inherit;text-decoration:none}
    button,input,select,textarea{font:inherit}
    ::selection{background:rgba(40,214,198,.25);color:var(--text)}
    .container{
      width:min(var(--container), calc(100% - 40px));
      margin:0 auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:100;
      backdrop-filter:blur(16px);
      background:rgba(8,12,16,.72);
      border-bottom:1px solid rgba(255,255,255,.06);
    }
    .header-inner{
      min-height:78px;
      display:flex;
      align-items:center;
      gap:18px;
      justify-content:space-between;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:14px;
      min-width:220px;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:14px;
      background:
        radial-gradient(circle at 30% 30%, rgba(255,255,255,.32), transparent 35%),
        linear-gradient(135deg, rgba(40,214,198,1), rgba(241,162,60,1));
      box-shadow:0 10px 24px rgba(40,214,198,.18);
      position:relative;
      flex:none;
    }
    .brand-mark::after{
      content:"";
      position:absolute;
      inset:11px;
      border:2px solid rgba(255,255,255,.85);
      border-radius:10px;
      transform:rotate(14deg);
      opacity:.8;
    }
    .brand-text{display:flex;flex-direction:column;line-height:1.15}
    .brand-text strong{
      font-size:1.02rem;
      letter-spacing:.02em;
      color:var(--text);
    }
    .brand-text span{
      font-size:.84rem;
      color:var(--muted);
      margin-top:4px;
    }
    .site-nav{
      display:flex;
      align-items:center;
      gap:8px;
      padding:8px;
      border:1px solid rgba(255,255,255,.06);
      background:rgba(255,255,255,.02);
      border-radius:999px;
    }
    .site-nav a{
      position:relative;
      padding:10px 16px;
      border-radius:999px;
      color:var(--muted);
      transition:all .22s var(--ease);
      font-size:.96rem;
      letter-spacing:.01em;
    }
    .site-nav a:hover,
    .site-nav a:focus-visible,
    .site-nav a.active{
      color:var(--text);
      background:rgba(255,255,255,.06);
      outline:none;
    }
    .site-nav a.active::after{
      content:"";
      position:absolute;
      left:16px;
      right:16px;
      bottom:7px;
      height:2px;
      border-radius:2px;
      background:linear-gradient(90deg, var(--accent), var(--accent-2));
    }
    .header-action,
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      min-height:46px;
      padding:0 18px;
      border-radius:14px;
      border:1px solid transparent;
      transition:transform .22s var(--ease), box-shadow .22s var(--ease), background .22s var(--ease), border-color .22s var(--ease), color .22s var(--ease);
      cursor:pointer;
      font-weight:600;
      letter-spacing:.01em;
      white-space:nowrap;
    }
    .header-action{
      background:linear-gradient(135deg, rgba(40,214,198,1), rgba(25,173,160,1));
      color:#061014;
      box-shadow:0 10px 28px rgba(40,214,198,.18);
    }
    .header-action:hover,
    .header-action:focus-visible,
    .btn:hover,
    .btn:focus-visible{
      transform:translateY(-2px);
      outline:none;
    }
    .btn-primary{
      background:linear-gradient(135deg, rgba(40,214,198,1), rgba(241,162,60,1));
      color:#081014;
      box-shadow:0 16px 36px rgba(241,162,60,.12);
    }
    .btn-secondary{
      background:rgba(255,255,255,.03);
      color:var(--text);
      border-color:rgba(255,255,255,.12);
    }
    .btn-secondary:hover,
    .btn-secondary:focus-visible{
      border-color:rgba(40,214,198,.38);
      box-shadow:0 12px 28px rgba(0,0,0,.2);
    }
    .hero{
      position:relative;
      padding:28px 0 26px;
    }
    .hero-panel{
      position:relative;
      overflow:hidden;
      border-radius:28px;
      background:
        linear-gradient(180deg, rgba(7,11,14,.14), rgba(7,11,14,.82)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      border:1px solid rgba(255,255,255,.08);
      box-shadow:var(--shadow);
    }
    .hero-panel::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(700px 280px at 18% 18%, rgba(40,214,198,.18), transparent 58%),
        radial-gradient(540px 260px at 88% 16%, rgba(241,162,60,.16), transparent 56%);
      pointer-events:none;
    }
    .hero-inner{
      position:relative;
      padding:44px;
      display:grid;
      grid-template-columns:minmax(0,1.2fr) minmax(290px,.8fr);
      gap:28px;
      align-items:end;
      min-height:440px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      color:#f3f7fa;
      font-size:.85rem;
      letter-spacing:.08em;
      text-transform:uppercase;
      margin-bottom:18px;
      border:1px solid rgba(255,255,255,.10);
    }
    .eyebrow i{
      width:8px;height:8px;border-radius:50%;
      background:linear-gradient(135deg, var(--accent), var(--accent-2));
      display:inline-block;
    }
    h1{
      margin:0;
      font-size:clamp(2.2rem, 4vw, 4.3rem);
      line-height:1.08;
      letter-spacing:-.03em;
      max-width:10.5em;
    }
    .hero-copy{
      margin:18px 0 0;
      color:#d2dbe3;
      font-size:1.05rem;
      max-width:42rem;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:28px;
    }
    .hero-points{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:12px;
      margin-top:26px;
      max-width:680px;
    }
    .point{
      padding:14px 15px;
      border-radius:16px;
      background:rgba(10,14,18,.50);
      border:1px solid rgba(255,255,255,.08);
      backdrop-filter:blur(8px);
    }
    .point strong{
      display:block;
      font-size:.96rem;
      margin-bottom:4px;
      color:var(--text);
    }
    .point span{
      color:var(--muted);
      font-size:.88rem;
    }
    .hero-side{
      display:grid;
      gap:14px;
    }
    .hero-side-card{
      background:rgba(13,18,24,.78);
      border:1px solid rgba(255,255,255,.08);
      border-radius:22px;
      padding:18px;
      backdrop-filter:blur(8px);
      box-shadow:var(--shadow-soft);
    }
    .hero-side-card h2{
      margin:0 0 10px;
      font-size:1.03rem;
    }
    .hero-side-card p{
      margin:0;
      color:var(--muted);
      font-size:.94rem;
    }
    .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:14px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      min-height:34px;
      padding:0 12px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.09);
      background:rgba(255,255,255,.03);
      color:#dfe7ee;
      font-size:.88rem;
      transition:all .2s var(--ease);
    }
    .tag:hover,
    .tag:focus-visible,
    .tag.is-active{
      background:rgba(40,214,198,.12);
      border-color:rgba(40,214,198,.32);
      color:#fff;
      outline:none;
      transform:translateY(-1px);
    }
    main{padding-bottom:56px}
    .section{
      padding:22px 0;
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:16px;
      margin-bottom:18px;
    }
    .section-title{
      margin:0;
      font-size:1.42rem;
      line-height:1.18;
      letter-spacing:-.02em;
    }
    .section-desc{
      margin:6px 0 0;
      color:var(--muted);
      font-size:.95rem;
      max-width:60ch;
    }
    .crumbs{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      align-items:center;
      color:var(--muted);
      font-size:.92rem;
      margin-bottom:14px;
    }
    .crumbs a{
      color:#d9e1e8;
      transition:color .18s var(--ease);
    }
    .crumbs a:hover,
    .crumbs a:focus-visible{
      color:var(--accent);
      outline:none;
    }
    .crumbs span.sep{opacity:.55}
    .toolbar{
      display:grid;
      grid-template-columns:1fr auto;
      gap:14px;
      padding:16px;
      border-radius:20px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(255,255,255,.07);
    }
    .toolbar .tags{display:flex;flex-wrap:wrap;gap:10px}
    .search{
      position:relative;
      min-width:min(100%, 320px);
    }
    .search input{
      width:100%;
      min-height:46px;
      padding:0 16px 0 44px;
      color:var(--text);
      background:rgba(6,10,13,.55);
      border:1px solid rgba(255,255,255,.10);
      border-radius:14px;
      outline:none;
      transition:border-color .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease);
    }
    .search input::placeholder{color:#748393}
    .search input:focus{
      border-color:rgba(40,214,198,.45);
      box-shadow:0 0 0 4px rgba(40,214,198,.10);
      background:rgba(6,10,13,.72);
    }
    .search svg{
      position:absolute;
      left:14px;
      top:50%;
      transform:translateY(-50%);
      width:18px;height:18px;
      color:#8ba1b1;
      pointer-events:none;
    }
    .feature-grid{
      display:grid;
      grid-template-columns:minmax(0,1.4fr) minmax(300px,.8fr);
      gap:var(--gap);
      align-items:stretch;
    }
    .feature-card,
    .mini-card,
    .article-card,
    .update-card,
    .faq-item,
    .cta-panel{
      background:linear-gradient(180deg, rgba(255,255,255,.025), rgba(255,255,255,.015));
      border:1px solid rgba(255,255,255,.07);
      border-radius:var(--radius);
      box-shadow:var(--shadow-soft);
    }
    .feature-card{
      overflow:hidden;
      display:grid;
      grid-template-columns:minmax(0,.95fr) minmax(220px,.85fr);
      min-height:320px;
    }
    .feature-copy{
      padding:26px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      gap:18px;
    }
    .feature-copy h3{
      margin:0;
      font-size:1.42rem;
      line-height:1.22;
    }
    .feature-copy p{
      margin:14px 0 0;
      color:var(--muted);
      font-size:.98rem;
    }
    .meta-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:16px;
    }
    .meta{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:30px;
      padding:0 10px;
      border-radius:999px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
      color:#d9e3ea;
      font-size:.84rem;
    }
    .feature-media{
      position:relative;
      min-height:100%;
      background:#0d1117;
    }
    .feature-media img{
      width:100%;
      height:100%;
      object-fit:cover;
      min-height:320px;
    }
    .feature-media::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(10,13,17,.04), rgba(10,13,17,.24));
      pointer-events:none;
    }
    .mini-stack{
      display:grid;
      gap:14px;
    }
    .mini-card{
      padding:18px;
      display:grid;
      gap:10px;
      min-height:96px;
    }
    .mini-card .mini-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
    }
    .mini-card strong{
      font-size:1rem;
    }
    .mini-card span{
      color:var(--muted);
      font-size:.9rem;
    }
    .mini-card .badge{
      display:inline-flex;
      align-items:center;
      height:28px;
      padding:0 10px;
      border-radius:999px;
      background:rgba(40,214,198,.12);
      color:#bffbf4;
      border:1px solid rgba(40,214,198,.18);
      font-size:.82rem;
      flex:none;
    }
    .grid-section{
      display:grid;
      grid-template-columns:repeat(12, 1fr);
      gap:var(--gap);
    }
    .article-card{
      grid-column:span 4;
      overflow:hidden;
      transition:transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
    }
    .article-card:hover,
    .article-card:focus-within{
      transform:translateY(-4px);
      box-shadow:0 22px 52px rgba(0,0,0,.34);
      border-color:rgba(40,214,198,.22);
    }
    .article-card .thumb{
      position:relative;
      aspect-ratio:16/10;
      overflow:hidden;
    }
    .article-card .thumb img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .45s var(--ease);
    }
    .article-card:hover .thumb img{transform:scale(1.04)}
    .article-body{
      padding:18px;
    }
    .article-body h3{
      margin:10px 0 8px;
      font-size:1.03rem;
      line-height:1.35;
    }
    .article-body p{
      margin:0;
      color:var(--muted);
      font-size:.92rem;
    }
    .article-foot{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-top:16px;
      color:#a6b5c4;
      font-size:.84rem;
    }
    .article-foot .link{
      color:#dbe8ef;
      transition:color .18s var(--ease);
    }
    .article-foot .link:hover,
    .article-foot .link:focus-visible{
      color:var(--accent);
      outline:none;
    }
    .updates{
      display:grid;
      grid-template-columns:minmax(0,1.1fr) minmax(280px,.9fr);
      gap:var(--gap);
      align-items:start;
    }
    .timeline,
    .list-panel{
      background:rgba(255,255,255,.02);
      border:1px solid rgba(255,255,255,.07);
      border-radius:var(--radius);
      padding:18px;
      box-shadow:var(--shadow-soft);
    }
    .timeline-list{
      list-style:none;
      margin:0;
      padding:0;
      display:grid;
      gap:14px;
    }
    .timeline-item{
      display:grid;
      grid-template-columns:84px 1fr;
      gap:14px;
      align-items:start;
      padding:14px;
      border-radius:16px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(255,255,255,.07);
    }
    .time{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:34px;
      padding:0 10px;
      border-radius:12px;
      background:rgba(241,162,60,.12);
      color:#ffd9ad;
      font-weight:700;
      letter-spacing:.02em;
      font-size:.86rem;
      border:1px solid rgba(241,162,60,.18);
    }
    .timeline-item h3{
      margin:0 0 6px;
      font-size:1rem;
    }
    .timeline-item p{
      margin:0;
      color:var(--muted);
      font-size:.92rem;
    }
    .list-panel h3{
      margin:0 0 14px;
      font-size:1.08rem;
    }
    .compact-list{
      list-style:none;
      margin:0;
      padding:0;
      display:grid;
      gap:12px;
    }
    .compact-list li{
      display:flex;
      align-items:flex-start;
      gap:12px;
      padding:12px 0;
      border-bottom:1px solid rgba(255,255,255,.06);
    }
    .compact-list li:last-child{border-bottom:none;padding-bottom:0}
    .bullet{
      width:10px;height:10px;border-radius:50%;
      margin-top:.5rem;
      background:linear-gradient(135deg, var(--accent), var(--accent-2));
      box-shadow:0 0 0 6px rgba(40,214,198,.09);
      flex:none;
    }
    .compact-list strong{
      display:block;
      margin-bottom:4px;
      font-size:.98rem;
    }
    .compact-list span{
      color:var(--muted);
      font-size:.9rem;
    }
    .faq-grid{
      display:grid;
      gap:12px;
    }
    .faq-item{
      overflow:hidden;
    }
    .faq-item summary{
      list-style:none;
      cursor:pointer;
      padding:18px 18px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      font-weight:600;
      outline:none;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary::after{
      content:"+";
      width:32px;height:32px;
      border-radius:10px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      background:rgba(255,255,255,.05);
      color:#d9e3ea;
      flex:none;
      transition:transform .2s var(--ease), background .2s var(--ease);
    }
    .faq-item[open] summary::after{
      content:"–";
      background:rgba(40,214,198,.12);
      color:#d9fffb;
    }
    .faq-answer{
      padding:0 18px 18px;
      color:var(--muted);
      font-size:.95rem;
    }
    .cta-panel{
      position:relative;
      overflow:hidden;
      padding:28px;
      display:grid;
      grid-template-columns:minmax(0,1fr) auto;
      gap:18px;
      align-items:center;
      background:
        radial-gradient(520px 180px at 10% 20%, rgba(40,214,198,.15), transparent 58%),
        radial-gradient(420px 180px at 88% 80%, rgba(241,162,60,.12), transparent 56%),
        rgba(255,255,255,.03);
    }
    .cta-panel h2{
      margin:0 0 8px;
      font-size:1.45rem;
    }
    .cta-panel p{
      margin:0;
      color:var(--muted);
    }
    .cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}
    .site-footer{
      border-top:1px solid rgba(255,255,255,.08);
      background:rgba(6,9,12,.82);
      padding:34px 0 18px;
    }
    .footer-top{
      display:grid;
      grid-template-columns:1.4fr .7fr .7fr 1fr;
      gap:24px;
      padding-bottom:22px;
    }
    .footer-col h3{
      margin:0 0 14px;
      font-size:1rem;
    }
    .footer-col p,
    .footer-col li{
      color:var(--muted);
      font-size:.92rem;
    }
    .footer-col ul{
      list-style:none;
      margin:0;
      padding:0;
      display:grid;
      gap:10px;
    }
    .footer-col a{
      color:#d7e0e8;
      transition:color .18s var(--ease);
    }
    .footer-col a:hover,
    .footer-col a:focus-visible{
      color:var(--accent);
      outline:none;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      margin-bottom:14px;
    }
    .footer-brand h3{margin:0}
    .footer-brand p{margin:4px 0 0}
    .footer-bottom{
      padding-top:18px;
      border-top:1px solid rgba(255,255,255,.06);
      display:flex;
      gap:12px;
      align-items:center;
      justify-content:space-between;
      color:#8ea0af;
      font-size:.9rem;
      flex-wrap:wrap;
    }
    .footer-note{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
    }
    .footer-note span{opacity:.65}
    .focusable:focus-visible,
    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    summary:focus-visible{
      outline:2px solid rgba(40,214,198,.72);
      outline-offset:2px;
    }

    @media (max-width: 1200px){
      .hero-inner{grid-template-columns:1fr; min-height:auto}
      .feature-grid,
      .updates{grid-template-columns:1fr}
      .feature-card{grid-template-columns:1fr}
      .hero-side{grid-template-columns:repeat(3,1fr)}
      .article-card{grid-column:span 6}
      .footer-top{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width: 992px){
      .header-inner{flex-wrap:wrap; padding:14px 0}
      .site-nav{order:3; width:100%; justify-content:center}
      .header-action{margin-left:auto}
      .hero-inner{padding:32px}
      .hero-points{grid-template-columns:1fr; max-width:none}
      .toolbar{grid-template-columns:1fr}
      .search{min-width:100%}
      .article-card{grid-column:span 12}
      .hero-side{grid-template-columns:1fr}
      .cta-panel{grid-template-columns:1fr}
      .cta-actions{justify-content:flex-start}
    }
    @media (max-width: 768px){
      .container{width:min(var(--container), calc(100% - 28px))}
      .hero{padding-top:18px}
      .hero-panel{border-radius:22px}
      .hero-inner{padding:22px}
      h1{max-width:none; font-size:clamp(2rem, 9vw, 3rem)}
      .section{padding:18px 0}
      .section-head{flex-direction:column; align-items:flex-start}
      .feature-card{min-height:auto}
      .feature-copy{padding:20px}
      .timeline-item{grid-template-columns:1fr}
      .time{width:max-content}
      .footer-top{grid-template-columns:1fr}
      .header-action{width:100%; justify-content:center}
      .site-nav{gap:4px; overflow:auto; justify-content:flex-start; padding:7px}
      .site-nav a{padding:10px 14px}
    }
    @media (max-width: 520px){
      .header-inner{gap:12px}
      .brand{min-width:0}
      .brand-text strong{font-size:.98rem}
      .brand-text span{font-size:.8rem}
      .site-nav{
        border-radius:16px;
        width:100%;
      }
      .hero-inner{padding:18px}
      .hero-copy{font-size:1rem}
      .hero-actions,.tag-row,.hero-points{gap:10px}
      .btn,.header-action{width:100%}
      .toolbar{padding:14px}
      .article-body{padding:16px}
      .cta-panel{padding:20px}
      .cta-actions .btn{width:100%}
    }