/* roulang page: index */
:root{
      --bg:#050b16;
      --bg-2:#071a33;
      --panel:rgba(255,255,255,.075);
      --panel-strong:rgba(255,255,255,.12);
      --text:#f5f8ff;
      --muted:#a7b6d9;
      --weak:#7383a9;
      --line:rgba(255,255,255,.14);
      --primary:#36e4ff;
      --primary-2:#5b7cff;
      --accent:#9df871;
      --warning:#ffd36a;
      --danger:#ff7b9c;
      --radius:24px;
      --radius-sm:16px;
      --shadow:0 22px 70px rgba(0,0,0,.28);
      --shadow-soft:0 14px 38px rgba(5,12,28,.22);
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 8% 6%, rgba(54,228,255,.22), transparent 32%),
        radial-gradient(circle at 86% 14%, rgba(91,124,255,.28), transparent 34%),
        linear-gradient(180deg,#050b16 0%,#061120 48%,#081324 100%);
      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,.035) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.7),transparent 78%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{border:0;cursor:pointer}
    ::selection{background:rgba(54,228,255,.35);color:#fff}
    .container{
      width:min(var(--container),calc(100% - 40px));
      margin-inline:auto;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter:blur(18px);
      background:rgba(5,11,22,.74);
      border-bottom:1px solid rgba(255,255,255,.1);
    }
    .nav-shell{
      min-height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      font-weight:900;
      letter-spacing:-.03em;
      transition:transform .2s ease,color .2s ease;
    }
    .brand:hover{transform:translateY(-1px);color:#fff}
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:15px;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg,rgba(54,228,255,.95),rgba(91,124,255,.95));
      box-shadow:0 0 24px rgba(54,228,255,.28);
      color:#03101d;
      font-weight:950;
    }
    .brand-name{
      font-size:18px;
      white-space:nowrap;
    }
    .nav-menu{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .nav-link{
      padding:10px 16px;
      border-radius:999px;
      color:var(--muted);
      font-weight:700;
      transition:background .2s ease,color .2s ease,box-shadow .2s ease;
    }
    .nav-link:hover,.nav-link.active{
      color:#fff;
      background:rgba(255,255,255,.1);
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.12);
    }
    .nav-search{
      display:flex;
      align-items:center;
      gap:8px;
      width:270px;
      padding:9px 12px;
      border:1px solid rgba(255,255,255,.14);
      border-radius:999px;
      background:rgba(255,255,255,.07);
    }
    .nav-search input{
      width:100%;
      border:0;
      outline:0;
      color:#fff;
      background:transparent;
      font-size:14px;
    }
    .nav-search input::placeholder{color:rgba(167,182,217,.72)}
    .mobile-toggle{
      display:none;
      width:44px;
      height:44px;
      border-radius:14px;
      background:rgba(255,255,255,.08);
      color:#fff;
      border:1px solid rgba(255,255,255,.12);
      transition:background .2s ease,transform .2s ease;
    }
    .mobile-toggle:hover{background:rgba(255,255,255,.13);transform:translateY(-1px)}
    .breadcrumb-wrap{
      border-top:1px solid rgba(255,255,255,.06);
      background:rgba(255,255,255,.035);
    }
    .breadcrumb{
      display:flex;
      align-items:center;
      gap:10px;
      min-height:42px;
      color:var(--weak);
      font-size:13px;
    }
    .breadcrumb a{
      color:var(--muted);
      transition:color .2s ease;
    }
    .breadcrumb a:hover{color:var(--primary)}
    .badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      color:#dff9ff;
      border:1px solid rgba(54,228,255,.24);
      background:rgba(54,228,255,.1);
      box-shadow:inset 0 0 22px rgba(54,228,255,.05);
      font-size:13px;
      font-weight:800;
    }
    .badge-dot{
      width:8px;
      height:8px;
      border-radius:999px;
      background:var(--accent);
      box-shadow:0 0 14px rgba(157,248,113,.72);
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:48px;
      padding:13px 20px;
      border-radius:999px;
      font-weight:900;
      letter-spacing:-.01em;
      transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease;
      outline:none;
    }
    .btn:focus-visible,.nav-link:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
      outline:3px solid rgba(54,228,255,.42);
      outline-offset:3px;
    }
    .btn-primary{
      color:#03101d;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      box-shadow:0 0 28px rgba(54,228,255,.32),0 14px 30px rgba(0,0,0,.22);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 36px rgba(54,228,255,.45),0 20px 42px rgba(0,0,0,.28)}
    .btn-secondary{
      color:#fff;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.16);
    }
    .btn-secondary:hover{transform:translateY(-2px);background:rgba(255,255,255,.13);border-color:rgba(54,228,255,.32)}
    .section{
      padding:84px 0;
      position:relative;
    }
    .section-tight{padding:58px 0}
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:28px;
      margin-bottom:30px;
    }
    .section-kicker{
      color:var(--primary);
      font-size:14px;
      font-weight:900;
      letter-spacing:.08em;
      margin-bottom:10px;
    }
    .section-title{
      font-size:clamp(28px,4vw,46px);
      line-height:1.15;
      letter-spacing:-.05em;
      margin:0;
      font-weight:950;
    }
    .section-desc{
      max-width:650px;
      color:var(--muted);
      margin:12px 0 0;
      font-size:16px;
    }
    .glass{
      background:linear-gradient(180deg,rgba(255,255,255,.105),rgba(255,255,255,.055));
      border:1px solid rgba(255,255,255,.14);
      border-radius:var(--radius);
      box-shadow:var(--shadow-soft);
      backdrop-filter:blur(18px);
    }
    .card{
      position:relative;
      overflow:hidden;
      padding:24px;
      border-radius:var(--radius);
      background:linear-gradient(180deg,rgba(255,255,255,.095),rgba(255,255,255,.045));
      border:1px solid rgba(255,255,255,.13);
      transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease,background .22s ease;
    }
    .card:hover{
      transform:translateY(-5px);
      border-color:rgba(54,228,255,.32);
      box-shadow:0 24px 70px rgba(0,0,0,.26),0 0 28px rgba(54,228,255,.12);
      background:linear-gradient(180deg,rgba(255,255,255,.13),rgba(255,255,255,.06));
    }
    .icon{
      width:46px;
      height:46px;
      display:grid;
      place-items:center;
      border-radius:16px;
      color:#03101d;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 0 22px rgba(54,228,255,.22);
      font-weight:950;
    }
    .hero{
      padding:68px 0 46px;
    }
    .hero-panel{
      position:relative;
      overflow:hidden;
      min-height:560px;
      padding:48px;
      border-radius:34px;
      background:
        linear-gradient(120deg,rgba(8,23,45,.94),rgba(7,20,38,.72)),
        radial-gradient(circle at 80% 20%,rgba(54,228,255,.26),transparent 34%);
      border:1px solid rgba(255,255,255,.14);
      box-shadow:0 30px 90px rgba(0,0,0,.34);
    }
    .hero-panel:before{
      content:"";
      position:absolute;
      inset:auto -15% -45% 35%;
      height:420px;
      background:radial-gradient(circle,rgba(54,228,255,.25),transparent 62%);
      filter:blur(10px);
      pointer-events:none;
    }
    .hero-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:minmax(0,1.08fr) minmax(360px,.72fr);
      gap:36px;
      align-items:stretch;
    }
    .hero h1{
      max-width:840px;
      margin:20px 0 18px;
      font-size:clamp(38px,6vw,72px);
      line-height:1.04;
      letter-spacing:-.07em;
      font-weight:950;
    }
    .hero-lead{
      max-width:760px;
      margin:0 0 26px;
      color:#c6d4f5;
      font-size:18px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:14px;
      margin-bottom:28px;
    }
    .hero-points{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:12px;
      max-width:850px;
      margin-top:26px;
    }
    .point{
      padding:15px;
      border-radius:18px;
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.11);
    }
    .point strong{
      display:block;
      color:#fff;
      font-size:20px;
      line-height:1.1;
      margin-bottom:5px;
    }
    .point span{color:var(--muted);font-size:13px}
    .lead-form{
      align-self:stretch;
      padding:26px;
      border-radius:28px;
      background:rgba(255,255,255,.09);
      border:1px solid rgba(255,255,255,.16);
      backdrop-filter:blur(18px);
      box-shadow:var(--shadow);
    }
    .lead-form h2{
      margin:0 0 8px;
      font-size:24px;
      letter-spacing:-.03em;
      font-weight:950;
    }
    .lead-form p{margin:0 0 18px;color:var(--muted);font-size:14px}
    .form-grid{display:grid;gap:12px}
    .field label{
      display:block;
      color:#d6e2ff;
      font-size:13px;
      font-weight:800;
      margin:0 0 6px;
    }
    .field input,.field select,.field textarea{
      width:100%;
      border:1px solid rgba(255,255,255,.14);
      border-radius:16px;
      color:#fff;
      background:rgba(5,11,22,.48);
      padding:13px 14px;
      outline:0;
      transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
    }
    .field textarea{min-height:92px;resize:vertical}
    .field input::placeholder,.field textarea::placeholder{color:rgba(167,182,217,.62)}
    .field input:focus,.field select:focus,.field textarea:focus{
      border-color:rgba(54,228,255,.48);
      box-shadow:0 0 0 4px rgba(54,228,255,.12);
      background:rgba(5,11,22,.62);
    }
    .form-note{
      margin-top:12px;
      color:var(--weak);
      font-size:12px;
    }
    .success-msg{
      display:none;
      margin-top:12px;
      padding:10px 12px;
      border-radius:14px;
      color:#eafff5;
      background:rgba(157,248,113,.11);
      border:1px solid rgba(157,248,113,.24);
      font-size:13px;
    }
    .commission-layout{
      display:grid;
      grid-template-columns:1fr .86fr;
      gap:22px;
      align-items:stretch;
    }
    .commission-feature{
      padding:34px;
      border-radius:30px;
      background:
        radial-gradient(circle at 20% 20%,rgba(54,228,255,.16),transparent 30%),
        linear-gradient(135deg,rgba(255,255,255,.12),rgba(255,255,255,.055));
      border:1px solid rgba(255,255,255,.14);
    }
    .commission-number{
      font-size:clamp(46px,8vw,88px);
      line-height:1;
      font-weight:950;
      letter-spacing:-.08em;
      color:#fff;
      text-shadow:0 0 30px rgba(54,228,255,.28);
    }
    .commission-list{
      display:grid;
      gap:14px;
    }
    .mini-row{
      display:flex;
      gap:14px;
      align-items:flex-start;
      padding:18px;
      border-radius:22px;
      background:rgba(255,255,255,.075);
      border:1px solid rgba(255,255,255,.11);
    }
    .mini-row .num{
      min-width:40px;
      height:40px;
      display:grid;
      place-items:center;
      border-radius:14px;
      background:rgba(54,228,255,.13);
      color:var(--primary);
      font-weight:950;
    }
    .mini-row h3,.card h3{
      margin:0 0 6px;
      font-size:18px;
      font-weight:950;
      letter-spacing:-.02em;
    }
    .mini-row p,.card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .material-layout{
      display:grid;
      grid-template-columns:.75fr 1.25fr;
      gap:22px;
      align-items:start;
    }
    .material-menu{
      display:grid;
      gap:12px;
    }
    .material-pill{
      padding:18px;
      border-radius:20px;
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.12);
      transition:transform .2s ease,border-color .2s ease;
    }
    .material-pill:hover{
      transform:translateX(4px);
      border-color:rgba(54,228,255,.35);
    }
    .material-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:16px;
    }
    .step-track{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:16px;
      counter-reset:step;
    }
    .step-card{
      counter-increment:step;
      padding:24px;
      border-radius:24px;
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.12);
      position:relative;
      overflow:hidden;
    }
    .step-card:before{
      content:"0" counter(step);
      position:absolute;
      top:18px;
      right:20px;
      color:rgba(54,228,255,.22);
      font-size:46px;
      line-height:1;
      font-weight:950;
      letter-spacing:-.08em;
    }
    .stage{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:22px;
      align-items:center;
      padding:28px;
      border-radius:32px;
      background:
        linear-gradient(135deg,rgba(255,255,255,.11),rgba(255,255,255,.05)),
        radial-gradient(circle at 70% 40%,rgba(91,124,255,.18),transparent 35%);
      border:1px solid rgba(255,255,255,.14);
      box-shadow:var(--shadow-soft);
    }
    .screen{
      border-radius:24px;
      overflow:hidden;
      background:#071427;
      border:1px solid rgba(255,255,255,.14);
      box-shadow:0 30px 80px rgba(0,0,0,.34);
    }
    .screen-top{
      height:46px;
      display:flex;
      align-items:center;
      gap:8px;
      padding:0 16px;
      background:rgba(255,255,255,.07);
      border-bottom:1px solid rgba(255,255,255,.1);
    }
    .dot{width:10px;height:10px;border-radius:999px;background:rgba(255,255,255,.22)}
    .screen-body{
      padding:20px;
      display:grid;
      gap:14px;
    }
    .ui-row{
      display:grid;
      grid-template-columns:1fr 90px;
      gap:12px;
      align-items:center;
      padding:14px;
      border-radius:16px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.09);
    }
    .bar{
      height:10px;
      border-radius:999px;
      background:linear-gradient(90deg,var(--primary),rgba(91,124,255,.32));
    }
    .data-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:20px;
    }
    .kpi-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:14px;
    }
    .kpi{
      padding:22px;
      border-radius:24px;
      background:rgba(255,255,255,.075);
      border:1px solid rgba(255,255,255,.12);
    }
    .kpi strong{
      display:block;
      font-size:36px;
      line-height:1;
      letter-spacing:-.06em;
      margin-bottom:8px;
    }
    .chart{
      min-height:330px;
      padding:24px;
      border-radius:28px;
      display:flex;
      align-items:end;
      gap:14px;
      background:
        linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.045)),
        repeating-linear-gradient(0deg,transparent 0,transparent 48px,rgba(255,255,255,.055) 49px);
      border:1px solid rgba(255,255,255,.12);
    }
    .chart span{
      flex:1;
      min-width:28px;
      border-radius:999px 999px 10px 10px;
      background:linear-gradient(180deg,var(--primary),var(--primary-2));
      box-shadow:0 0 24px rgba(54,228,255,.18);
      position:relative;
    }
    .chart span:after{
      content:attr(data-label);
      position:absolute;
      bottom:-28px;
      left:50%;
      transform:translateX(-50%);
      color:var(--weak);
      font-size:12px;
      white-space:nowrap;
    }
    .collection-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr .85fr;
      gap:18px;
    }
    .collection-card{
      min-height:230px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      padding:24px;
      border-radius:26px;
      background:linear-gradient(145deg,rgba(255,255,255,.105),rgba(255,255,255,.045));
      border:1px solid rgba(255,255,255,.13);
      transition:transform .22s ease,border-color .22s ease;
    }
    .collection-card:hover{transform:translateY(-5px);border-color:rgba(54,228,255,.32)}
    .tag-list{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:14px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      min-height:28px;
      padding:5px 10px;
      border-radius:999px;
      color:#d7e5ff;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.1);
      font-size:12px;
      font-weight:800;
    }
    .news-layout{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:22px;
      align-items:start;
    }
    .news-list{
      display:grid;
      gap:12px;
    }
    .news-item{
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:14px;
      align-items:center;
      padding:18px;
      border-radius:20px;
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.11);
      transition:transform .2s ease,border-color .2s ease,background .2s ease;
    }
    .news-item:hover{
      transform:translateX(4px);
      border-color:rgba(54,228,255,.3);
      background:rgba(255,255,255,.095);
    }
    .news-date{
      width:58px;
      height:58px;
      display:grid;
      place-items:center;
      border-radius:18px;
      color:#03101d;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      font-weight:950;
      line-height:1.1;
      text-align:center;
      font-size:13px;
    }
    .news-item h3{
      margin:0 0 4px;
      font-size:17px;
      font-weight:950;
    }
    .news-item p{margin:0;color:var(--muted);font-size:14px}
    .arrow{
      color:var(--primary);
      font-weight:950;
      transition:transform .2s ease;
    }
    .news-item:hover .arrow{transform:translateX(3px)}
    .recommend-box{
      padding:24px;
      border-radius:26px;
      background:rgba(255,255,255,.075);
      border:1px solid rgba(255,255,255,.12);
    }
    .recommend-box ul{list-style:none;margin:18px 0 0;padding:0;display:grid;gap:12px}
    .recommend-box li{
      padding-left:18px;
      position:relative;
      color:var(--muted);
      font-size:14px;
    }
    .recommend-box li:before{
      content:"";
      position:absolute;
      left:0;
      top:.75em;
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--primary);
      box-shadow:0 0 12px rgba(54,228,255,.55);
    }
    .faq-grid{
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:22px;
      align-items:start;
    }
    .faq-list{display:grid;gap:12px}
    .faq-item{
      border-radius:22px;
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.12);
      overflow:hidden;
    }
    .faq-q{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:18px 20px;
      color:#fff;
      background:transparent;
      text-align:left;
      font-weight:950;
    }
    .faq-q span:last-child{
      width:28px;
      height:28px;
      display:grid;
      place-items:center;
      border-radius:50%;
      background:rgba(54,228,255,.12);
      color:var(--primary);
      transition:transform .2s ease;
    }
    .faq-a{
      display:none;
      padding:0 20px 18px;
      color:var(--muted);
      font-size:14px;
    }
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
    .join-panel{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:22px;
      padding:30px;
      border-radius:34px;
      background:
        radial-gradient(circle at 78% 18%,rgba(54,228,255,.24),transparent 32%),
        linear-gradient(135deg,rgba(255,255,255,.12),rgba(255,255,255,.055));
      border:1px solid rgba(255,255,255,.15);
      box-shadow:var(--shadow);
    }
    .pricing-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:12px;
      margin-top:20px;
    }
    .price-card{
      padding:18px;
      border-radius:20px;
      background:rgba(5,11,22,.35);
      border:1px solid rgba(255,255,255,.12);
    }
    .price-card strong{
      display:block;
      font-size:24px;
      line-height:1;
      margin:10px 0 8px;
      color:#fff;
    }
    .site-footer{
      padding:54px 0 30px;
      background:linear-gradient(180deg,rgba(5,11,22,0),rgba(3,8,16,.82));
      border-top:1px solid rgba(255,255,255,.08);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:24px;
      align-items:start;
    }
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      justify-content:flex-end;
    }
    .footer-links a{
      padding:9px 12px;
      border-radius:999px;
      color:var(--muted);
      background:rgba(255,255,255,.055);
      border:1px solid rgba(255,255,255,.08);
      transition:color .2s ease,background .2s ease;
    }
    .footer-links a:hover{color:#fff;background:rgba(255,255,255,.1)}
    .copyright{
      margin-top:30px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.08);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      color:var(--weak);
      font-size:13px;
    }
    .floating-cta{
      position:fixed;
      left:50%;
      bottom:18px;
      transform:translateX(-50%);
      z-index:40;
      display:flex;
      align-items:center;
      gap:14px;
      padding:10px 12px 10px 18px;
      border-radius:999px;
      background:rgba(8,19,37,.86);
      border:1px solid rgba(255,255,255,.14);
      backdrop-filter:blur(18px);
      box-shadow:0 18px 46px rgba(0,0,0,.3);
    }
    .floating-cta span{color:var(--muted);font-size:14px;white-space:nowrap}
    @media (max-width:1024px){
      .nav-search{display:none}
      .hero-grid,.commission-layout,.material-layout,.stage,.data-grid,.news-layout,.faq-grid,.join-panel,.footer-grid{
        grid-template-columns:1fr;
      }
      .hero-panel{padding:36px}
      .collection-grid{grid-template-columns:1fr 1fr}
      .step-track{grid-template-columns:repeat(2,minmax(0,1fr))}
      .pricing-grid{grid-template-columns:1fr}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,var(--container))}
      .nav-shell{min-height:66px}
      .mobile-toggle{display:grid;place-items:center}
      .nav-menu{
        position:absolute;
        top:66px;
        left:14px;
        right:14px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        padding:12px;
        border-radius:22px;
        background:rgba(6,17,31,.96);
        border:1px solid rgba(255,255,255,.13);
        box-shadow:var(--shadow);
      }
      .nav-menu.open{display:flex}
      .nav-link{text-align:center}
      .breadcrumb{overflow-x:auto;white-space:nowrap}
      .section{padding:62px 0}
      .section-head{display:block}
      .hero{padding:34px 0 32px}
      .hero-panel{min-height:auto;padding:24px;border-radius:28px}
      .hero-grid{gap:24px}
      .hero-points,.material-grid,.kpi-grid,.collection-grid{grid-template-columns:1fr}
      .stage{padding:20px}
      .chart{min-height:260px}
      .news-item{grid-template-columns:auto 1fr}
      .news-item .arrow{display:none}
      .floating-cta{left:14px;right:14px;transform:none;justify-content:space-between;border-radius:24px}
      .floating-cta span{white-space:normal}
    }
    @media (max-width:520px){
      .brand-name{font-size:16px;max-width:190px;overflow:hidden;text-overflow:ellipsis}
      .hero h1{font-size:34px}
      .hero-lead{font-size:16px}
      .hero-actions .btn{width:100%}
      .step-track{grid-template-columns:1fr}
      .commission-feature{padding:24px}
      .join-panel{padding:20px;border-radius:28px}
      .copyright{display:block}
      .footer-links{justify-content:flex-start}
    }