/* roulang page: index */
:root{
      --bg:#07111f;
      --bg-deep:#040914;
      --bg-soft:#0c1930;
      --panel:rgba(17,35,62,.72);
      --panel-strong:rgba(22,44,78,.88);
      --glass:rgba(255,255,255,.08);
      --glass-2:rgba(255,255,255,.12);
      --text:#eef6ff;
      --muted:#a9bbd4;
      --subtle:#7590b1;
      --line:rgba(178,210,255,.18);
      --line-strong:rgba(135,197,255,.35);
      --primary:#55d8ff;
      --primary-2:#7c5cff;
      --accent:#35ffb6;
      --warning:#ffd166;
      --danger:#ff7a90;
      --white:#ffffff;
      --shadow:0 24px 80px rgba(0,0,0,.36);
      --shadow-soft:0 18px 46px rgba(0,0,0,.24);
      --glow:0 0 24px rgba(85,216,255,.38),0 0 54px rgba(124,92,255,.24);
      --radius-lg:30px;
      --radius:20px;
      --radius-sm:14px;
      --max:1180px;
      --header:76px;
      --ease:cubic-bezier(.2,.8,.2,1);
    }

    *{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 12% 2%, rgba(85,216,255,.18), transparent 32%),
        radial-gradient(circle at 85% 14%, rgba(124,92,255,.20), transparent 34%),
        linear-gradient(180deg,var(--bg-deep) 0%,var(--bg) 36%,#081629 100%);
      line-height:1.65;
      min-height:100vh;
      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:48px 48px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.85),transparent 78%);
      z-index:-2;
    }
    body::after{
      content:"";
      position:fixed;
      width:520px;height:520px;
      right:-180px;bottom:6%;
      border-radius:50%;
      background:radial-gradient(circle,rgba(53,255,182,.12),transparent 68%);
      filter:blur(6px);
      pointer-events:none;
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;height:auto;display:block}
    button,input,select,textarea{font:inherit}
    button{border:0;cursor:pointer}
    input,textarea,select{outline:none}
    ::selection{background:rgba(85,216,255,.32);color:#fff}

    .container{
      width:min(var(--max), calc(100% - 40px));
      margin:0 auto;
    }
    .skip-link{
      position:absolute;
      left:-999px;top:12px;
      background:var(--primary);
      color:#04101f;
      padding:10px 14px;
      border-radius:12px;
      z-index:99;
      font-weight:800;
    }
    .skip-link:focus{left:16px}

    .site-header{
      position:sticky;
      top:0;
      z-index:80;
      backdrop-filter:blur(18px);
      background:linear-gradient(180deg,rgba(4,9,20,.86),rgba(4,9,20,.62));
      border-bottom:1px solid var(--line);
    }
    .nav-wrap{
      height:var(--header);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
    }
    .brand-mark{
      width:42px;height:42px;
      border-radius:15px;
      display:grid;
      place-items:center;
      color:#061120;
      font-weight:950;
      letter-spacing:-.04em;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      box-shadow:var(--glow);
    }
    .brand-name{
      font-size:20px;
      font-weight:900;
      letter-spacing:.02em;
    }
    .brand-note{
      display:block;
      margin-top:-3px;
      color:var(--subtle);
      font-size:12px;
      font-weight:600;
    }
    .nav-right{
      display:flex;
      align-items:center;
      gap:14px;
      min-width:0;
    }
    .primary-nav{
      display:flex;
      align-items:center;
      gap:8px;
    }
    .nav-item{
      position:relative;
    }
    .nav-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 14px;
      border-radius:999px;
      color:var(--muted);
      font-weight:800;
      font-size:14px;
      transition:color .22s var(--ease),background .22s var(--ease),transform .22s var(--ease);
    }
    .nav-link:hover,.nav-link:focus-visible{
      color:var(--text);
      background:rgba(255,255,255,.08);
      transform:translateY(-1px);
    }
    .nav-link.active{
      color:#061120;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      box-shadow:0 8px 26px rgba(85,216,255,.18);
    }
    .nav-link .chev{font-size:11px;opacity:.75}
    .dropdown{
      position:absolute;
      top:calc(100% + 14px);
      left:0;
      width:320px;
      padding:16px;
      border:1px solid var(--line);
      border-radius:22px;
      background:rgba(6,17,33,.92);
      box-shadow:var(--shadow);
      backdrop-filter:blur(18px);
      opacity:0;
      visibility:hidden;
      transform:translateY(8px);
      transition:all .22s var(--ease);
    }
    .nav-item:hover .dropdown,.nav-item:focus-within .dropdown{
      opacity:1;visibility:visible;transform:translateY(0);
    }
    .dropdown-title{
      margin:0 0 10px;
      color:var(--subtle);
      font-size:12px;
      font-weight:900;
      letter-spacing:.08em;
    }
    .dropdown a{
      display:flex;
      justify-content:space-between;
      gap:12px;
      padding:10px 11px;
      border-radius:14px;
      color:var(--muted);
      font-size:14px;
      border:1px solid transparent;
    }
    .dropdown a:hover,.dropdown a:focus-visible{
      color:var(--text);
      background:rgba(255,255,255,.07);
      border-color:var(--line);
    }
    .search-mini{
      display:flex;
      align-items:center;
      gap:8px;
      width:220px;
      padding:8px 10px;
      border:1px solid var(--line);
      border-radius:999px;
      background:rgba(255,255,255,.055);
    }
    .search-mini input{
      width:100%;
      min-width:0;
      border:0;
      color:var(--text);
      background:transparent;
      font-size:13px;
    }
    .search-mini input::placeholder{color:#7990ad}
    .search-mini button{
      width:28px;height:28px;
      border-radius:50%;
      display:grid;
      place-items:center;
      color:#061120;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      transition:transform .2s var(--ease),box-shadow .2s var(--ease);
    }
    .search-mini button:hover{transform:scale(1.06);box-shadow:var(--glow)}
    .menu-toggle{
      display:none;
      width:42px;height:42px;
      border-radius:14px;
      color:var(--text);
      background:rgba(255,255,255,.08);
      border:1px solid var(--line);
    }
    .menu-toggle span{
      display:block;
      width:18px;height:2px;
      margin:4px auto;
      border-radius:2px;
      background:currentColor;
      transition:.2s var(--ease);
    }

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      min-height:46px;
      padding:12px 18px;
      border-radius:999px;
      font-weight:900;
      color:var(--text);
      border:1px solid var(--line);
      background:rgba(255,255,255,.08);
      transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease);
      user-select:none;
      white-space:nowrap;
    }
    .btn:hover,.btn:focus-visible{
      transform:translateY(-2px);
      border-color:var(--line-strong);
      box-shadow:0 16px 38px rgba(0,0,0,.25);
    }
    .btn:active{transform:translateY(0) scale(.99)}
    .btn-primary{
      color:#061120;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      border-color:transparent;
      box-shadow:var(--glow);
    }
    .btn-primary:hover,.btn-primary:focus-visible{
      box-shadow:0 0 28px rgba(85,216,255,.52),0 18px 42px rgba(53,255,182,.18);
    }
    .btn-ghost{
      background:rgba(255,255,255,.06);
      color:var(--text);
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      color:#cfefff;
      background:rgba(85,216,255,.10);
      border:1px solid rgba(85,216,255,.22);
      font-size:13px;
      font-weight:850;
    }
    .badge-dot{
      width:8px;height:8px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 18px rgba(53,255,182,.7);
    }

    main{position:relative}
    section{scroll-margin-top:calc(var(--header) + 22px)}
    .section{
      padding:84px 0;
    }
    .section.compact{padding:58px 0}
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:30px;
    }
    .section-kicker{
      margin:0 0 9px;
      color:var(--primary);
      font-size:13px;
      font-weight:950;
      letter-spacing:.14em;
    }
    .section-title{
      margin:0;
      font-size:clamp(28px,4vw,44px);
      line-height:1.16;
      letter-spacing:-.04em;
    }
    .section-desc{
      margin:12px 0 0;
      max-width:680px;
      color:var(--muted);
      font-size:16px;
    }

    .hero{
      padding:58px 0 74px;
      position:relative;
      overflow:hidden;
    }
    .hero::before{
      content:"";
      position:absolute;
      left:0;right:0;bottom:8px;
      height:88px;
      background:
        radial-gradient(80px 38px at 8% 45%, rgba(85,216,255,.22), transparent 70%),
        radial-gradient(120px 42px at 42% 55%, rgba(124,92,255,.24), transparent 68%),
        radial-gradient(90px 36px at 80% 40%, rgba(53,255,182,.18), transparent 70%);
      opacity:.65;
      clip-path:polygon(0 54%,7% 48%,15% 61%,24% 42%,34% 58%,45% 39%,55% 52%,66% 35%,77% 55%,88% 43%,100% 58%,100% 100%,0 100%);
      pointer-events:none;
    }
    .hero-shell{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:22px;
      align-items:stretch;
      min-height:560px;
    }
    .hero-copy{
      padding:42px;
      border-radius:var(--radius-lg);
      border:1px solid var(--line);
      background:
        linear-gradient(135deg,rgba(255,255,255,.105),rgba(255,255,255,.045)),
        radial-gradient(circle at 18% 12%,rgba(85,216,255,.18),transparent 36%);
      box-shadow:var(--shadow);
      backdrop-filter:blur(20px);
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      overflow:hidden;
      position:relative;
    }
    .hero-copy::after{
      content:"97";
      position:absolute;
      right:-12px;
      bottom:-46px;
      font-size:188px;
      line-height:1;
      font-weight:950;
      letter-spacing:-.12em;
      color:rgba(255,255,255,.035);
      pointer-events:none;
    }
    h1{
      margin:18px 0 16px;
      max-width:780px;
      font-size:clamp(38px,6vw,72px);
      line-height:1.04;
      letter-spacing:-.065em;
    }
    .hero-intro{
      margin:0;
      max-width:680px;
      color:#c3d4eb;
      font-size:18px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:30px;
      position:relative;
      z-index:1;
    }
    .hero-metrics{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      margin-top:38px;
      position:relative;
      z-index:1;
    }
    .metric{
      padding:16px;
      border-radius:18px;
      background:rgba(4,12,25,.45);
      border:1px solid var(--line);
    }
    .metric strong{
      display:block;
      font-size:26px;
      line-height:1;
      color:var(--white);
      letter-spacing:-.04em;
    }
    .metric span{
      display:block;
      margin-top:8px;
      color:var(--subtle);
      font-size:13px;
    }
    .lead-stage{
      display:grid;
      grid-template-rows:auto 1fr;
      gap:18px;
    }
    .whitepaper-card{
      position:relative;
      min-height:332px;
      padding:28px;
      border-radius:var(--radius-lg);
      border:1px solid var(--line);
      background:
        linear-gradient(145deg,rgba(12,32,64,.88),rgba(13,21,42,.72)),
        radial-gradient(circle at 82% 18%,rgba(85,216,255,.22),transparent 38%);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .whitepaper-card::before{
      content:"";
      position:absolute;
      width:220px;height:220px;
      right:-90px;top:-90px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(53,255,182,.22),transparent 68%);
      filter:blur(4px);
    }
    .cover-label{
      display:inline-flex;
      padding:7px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.10);
      border:1px solid var(--line);
      color:#d9efff;
      font-weight:900;
      font-size:12px;
    }
    .cover-title{
      margin:48px 0 12px;
      font-size:clamp(26px,4vw,40px);
      line-height:1.12;
      letter-spacing:-.045em;
    }
    .cover-desc{
      margin:0;
      max-width:390px;
      color:#b7cae3;
    }
    .catalog{
      margin:24px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .catalog li{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:12px 14px;
      border-radius:15px;
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.10);
      color:#dcecff;
      font-size:14px;
    }
    .catalog em{
      color:var(--accent);
      font-style:normal;
      font-weight:950;
    }
    .download-form{
      padding:22px;
      border-radius:var(--radius-lg);
      border:1px solid var(--line);
      background:rgba(255,255,255,.075);
      backdrop-filter:blur(20px);
      box-shadow:var(--shadow-soft);
    }
    .form-title{
      margin:0 0 6px;
      font-size:22px;
      letter-spacing:-.03em;
    }
    .form-desc{
      margin:0 0 16px;
      color:var(--muted);
      font-size:14px;
    }
    .form-grid{
      display:grid;
      gap:12px;
    }
    .field label{
      display:block;
      margin:0 0 7px;
      color:#d8e8fb;
      font-size:13px;
      font-weight:850;
    }
    .field input,.field select,.field textarea{
      width:100%;
      min-height:46px;
      padding:12px 14px;
      border-radius:15px;
      border:1px solid var(--line);
      background:rgba(3,10,22,.55);
      color:var(--text);
      transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
    }
    .field textarea{min-height:86px;resize:vertical}
    .field input::placeholder,.field textarea::placeholder{color:#7289a8}
    .field input:focus,.field select:focus,.field textarea:focus{
      border-color:rgba(85,216,255,.62);
      box-shadow:0 0 0 4px rgba(85,216,255,.12);
      background:rgba(3,10,22,.72);
    }
    .form-hint{
      margin:12px 0 0;
      color:var(--subtle);
      font-size:12px;
    }

    .split-grid{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:24px;
      align-items:start;
    }
    .dark-panel,.glass-card{
      border:1px solid var(--line);
      background:linear-gradient(145deg,rgba(255,255,255,.085),rgba(255,255,255,.035));
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-soft);
      backdrop-filter:blur(18px);
    }
    .dark-panel{padding:30px}
    .commission-board{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:16px;
    }
    .commission-card{
      padding:22px;
      border-radius:var(--radius);
      background:rgba(5,16,32,.64);
      border:1px solid var(--line);
      transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
    }
    .commission-card:hover{
      transform:translateY(-4px);
      border-color:rgba(85,216,255,.38);
      box-shadow:0 18px 42px rgba(0,0,0,.22);
    }
    .commission-card.featured{
      grid-column:span 2;
      display:grid;
      grid-template-columns:1fr auto;
      gap:20px;
      align-items:center;
      background:
        radial-gradient(circle at 80% 22%,rgba(53,255,182,.14),transparent 45%),
        rgba(5,16,32,.70);
    }
    .commission-value{
      margin:0 0 10px;
      font-size:36px;
      line-height:1;
      color:var(--accent);
      font-weight:950;
      letter-spacing:-.04em;
    }
    .commission-card h3{
      margin:0 0 8px;
      font-size:20px;
    }
    .commission-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .ring{
      width:118px;height:118px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:
        conic-gradient(var(--accent) 0 72%,rgba(255,255,255,.12) 72% 100%);
      box-shadow:0 0 34px rgba(53,255,182,.18);
      position:relative;
    }
    .ring::after{
      content:"";
      position:absolute;
      inset:12px;
      border-radius:50%;
      background:#071526;
    }
    .ring span{
      position:relative;
      z-index:1;
      font-size:22px;
      font-weight:950;
      color:#fff;
    }

    .material-layout{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:22px;
    }
    .material-list{
      display:grid;
      gap:14px;
    }
    .material-item{
      display:grid;
      grid-template-columns:52px 1fr;
      gap:16px;
      padding:18px;
      border-radius:20px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.065);
      transition:.22s var(--ease);
    }
    .material-item:hover{
      transform:translateX(4px);
      background:rgba(255,255,255,.09);
      border-color:var(--line-strong);
    }
    .icon-box{
      width:52px;height:52px;
      border-radius:17px;
      display:grid;
      place-items:center;
      color:#061120;
      font-weight:950;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 12px 26px rgba(85,216,255,.18);
    }
    .material-item h3{margin:0 0 5px;font-size:18px}
    .material-item p{margin:0;color:var(--muted);font-size:14px}
    .resource-stack{
      padding:24px;
      border-radius:var(--radius-lg);
      background:
        linear-gradient(145deg,rgba(85,216,255,.12),rgba(124,92,255,.08)),
        rgba(255,255,255,.05);
      border:1px solid var(--line);
      min-height:100%;
    }
    .stack-tabs{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:20px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.07);
      color:#cae4ff;
      font-size:12px;
      font-weight:850;
    }
    .preview-sheet{
      border-radius:22px;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.16);
      background:#061220;
      box-shadow:var(--shadow-soft);
    }
    .sheet-top{
      display:flex;
      gap:6px;
      padding:12px 14px;
      background:rgba(255,255,255,.08);
    }
    .sheet-top i{
      width:9px;height:9px;
      border-radius:50%;
      background:var(--primary);
    }
    .sheet-top i:nth-child(2){background:var(--warning)}
    .sheet-top i:nth-child(3){background:var(--accent)}
    .sheet-body{padding:22px}
    .line{
      height:10px;
      border-radius:999px;
      background:rgba(255,255,255,.10);
      margin:12px 0;
      overflow:hidden;
    }
    .line span{
      display:block;height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg,var(--primary),var(--accent));
    }

    .news-layout{
      display:grid;
      grid-template-columns:1.35fr .65fr;
      gap:24px;
    }
    .news-list{
      margin:0;
      padding:0;
      list-style:none;
      border-radius:var(--radius-lg);
      border:1px solid var(--line);
      overflow:hidden;
      background:rgba(255,255,255,.055);
    }
    .news-list li + li{border-top:1px solid var(--line)}
    .news-link{
      display:grid;
      grid-template-columns:110px 1fr auto;
      gap:16px;
      align-items:center;
      padding:18px 20px;
      transition:background .2s var(--ease),transform .2s var(--ease);
    }
    .news-link:hover,.news-link:focus-visible{
      background:rgba(85,216,255,.075);
    }
    .news-date{
      color:var(--primary);
      font-size:13px;
      font-weight:900;
    }
    .news-link strong{
      display:block;
      font-size:17px;
      color:#f3f8ff;
    }
    .news-link span{
      display:block;
      margin-top:3px;
      color:var(--muted);
      font-size:14px;
    }
    .arrow{
      color:var(--accent);
      font-weight:950;
      transition:transform .2s var(--ease);
    }
    .news-link:hover .arrow{transform:translateX(4px)}
    .recommend{
      padding:24px;
      border-radius:var(--radius-lg);
      border:1px solid var(--line);
      background:rgba(255,255,255,.07);
    }
    .recommend h3{margin:0 0 14px;font-size:22px}
    .recommend-card{
      display:block;
      padding:16px;
      border-radius:18px;
      border:1px solid var(--line);
      background:rgba(4,12,25,.42);
      margin-top:12px;
      transition:.22s var(--ease);
    }
    .recommend-card:hover{
      transform:translateY(-3px);
      border-color:rgba(53,255,182,.36);
      box-shadow:0 16px 36px rgba(0,0,0,.20);
    }
    .recommend-card b{display:block;margin-bottom:6px}
    .recommend-card small{color:var(--muted);font-size:13px}

    .guide-flow{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
      counter-reset:guide;
    }
    .guide-step{
      position:relative;
      padding:24px 20px;
      border-radius:var(--radius);
      border:1px solid var(--line);
      background:rgba(255,255,255,.062);
      min-height:190px;
    }
    .guide-step::before{
      counter-increment:guide;
      content:"0" counter(guide);
      display:inline-flex;
      width:44px;height:44px;
      align-items:center;
      justify-content:center;
      border-radius:15px;
      margin-bottom:18px;
      color:#061120;
      font-weight:950;
      background:linear-gradient(135deg,var(--primary),var(--accent));
    }
    .guide-step h3{margin:0 0 8px;font-size:18px}
    .guide-step p{margin:0;color:var(--muted);font-size:14px}

    .topic-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr .9fr;
      gap:16px;
    }
    .topic-card{
      min-height:210px;
      padding:24px;
      border-radius:var(--radius-lg);
      border:1px solid var(--line);
      background:
        linear-gradient(145deg,rgba(255,255,255,.08),rgba(255,255,255,.035));
      transition:.22s var(--ease);
      position:relative;
      overflow:hidden;
    }
    .topic-card::after{
      content:"";
      position:absolute;
      width:120px;height:120px;
      right:-45px;bottom:-45px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(85,216,255,.16),transparent 70%);
    }
    .topic-card.large{
      grid-row:span 2;
      min-height:436px;
      background:
        radial-gradient(circle at 30% 28%,rgba(85,216,255,.18),transparent 38%),
        linear-gradient(145deg,rgba(255,255,255,.09),rgba(255,255,255,.035));
    }
    .topic-card:hover{
      transform:translateY(-4px);
      border-color:var(--line-strong);
      box-shadow:var(--shadow-soft);
    }
    .topic-card h3{margin:14px 0 8px;font-size:22px}
    .topic-card p{margin:0;color:var(--muted)}
    .topic-pills{
      display:flex;flex-wrap:wrap;gap:8px;margin-top:22px;
    }

    .progress-shell{
      display:grid;
      grid-template-columns:.72fr 1.28fr;
      gap:22px;
      align-items:center;
    }
    .progress-score{
      padding:30px;
      text-align:center;
      border-radius:var(--radius-lg);
      background:
        radial-gradient(circle at 50% 24%,rgba(53,255,182,.18),transparent 40%),
        rgba(255,255,255,.06);
      border:1px solid var(--line);
    }
    .score-number{
      display:block;
      font-size:74px;
      line-height:1;
      font-weight:950;
      letter-spacing:-.08em;
      color:var(--accent);
      text-shadow:0 0 26px rgba(53,255,182,.28);
    }
    .progress-list{
      display:grid;
      gap:14px;
    }
    .progress-item{
      padding:18px;
      border-radius:20px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.055);
    }
    .progress-line{
      height:9px;
      margin-top:12px;
      border-radius:999px;
      background:rgba(255,255,255,.10);
      overflow:hidden;
    }
    .progress-line span{
      display:block;height:100%;
      width:var(--w);
      border-radius:inherit;
      background:linear-gradient(90deg,var(--primary),var(--accent));
      box-shadow:0 0 18px rgba(85,216,255,.28);
    }

    .proof-band{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:16px;
    }
    .quote-card{
      padding:24px;
      border-radius:var(--radius-lg);
      border:1px solid var(--line);
      background:rgba(255,255,255,.06);
    }
    .quote-card p{
      margin:0 0 18px;
      color:#d9e9fb;
    }
    .quote-author{
      display:flex;
      align-items:center;
      gap:12px;
      color:var(--muted);
      font-size:14px;
      font-weight:800;
    }
    .avatar{
      width:38px;height:38px;
      border-radius:14px;
      display:grid;place-items:center;
      color:#061120;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      font-weight:950;
    }

    .faq-wrap{
      display:grid;
      grid-template-columns:.7fr 1.3fr;
      gap:24px;
      align-items:start;
    }
    .faq-list{
      display:grid;
      gap:12px;
    }
    details{
      border:1px solid var(--line);
      border-radius:20px;
      background:rgba(255,255,255,.055);
      overflow:hidden;
    }
    summary{
      list-style:none;
      cursor:pointer;
      padding:18px 20px;
      font-weight:900;
      color:#f4f9ff;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
    }
    summary::-webkit-details-marker{display:none}
    summary::after{
      content:"+";
      width:28px;height:28px;
      display:grid;place-items:center;
      border-radius:50%;
      color:#061120;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      flex:0 0 auto;
      transition:transform .2s var(--ease);
    }
    details[open] summary::after{transform:rotate(45deg)}
    details p{
      margin:0;
      padding:0 20px 20px;
      color:var(--muted);
    }

    .join{
      padding:86px 0;
    }
    .join-card{
      position:relative;
      overflow:hidden;
      display:grid;
      grid-template-columns:1fr .86fr;
      gap:24px;
      padding:36px;
      border-radius:34px;
      border:1px solid var(--line-strong);
      background:
        radial-gradient(circle at 20% 18%,rgba(85,216,255,.18),transparent 38%),
        radial-gradient(circle at 86% 76%,rgba(53,255,182,.12),transparent 36%),
        linear-gradient(145deg,rgba(255,255,255,.10),rgba(255,255,255,.045));
      box-shadow:var(--shadow),var(--glow);
      backdrop-filter:blur(22px);
    }
    .join-card::before{
      content:"";
      position:absolute;
      inset:-2px;
      background:linear-gradient(90deg,transparent,rgba(85,216,255,.20),transparent);
      transform:translateX(-100%);
      animation:shine 7s infinite;
      pointer-events:none;
    }
    @keyframes shine{
      0%,35%{transform:translateX(-100%)}
      55%,100%{transform:translateX(100%)}
    }
    .join h2{
      margin:0;
      font-size:clamp(30px,4.5vw,54px);
      line-height:1.12;
      letter-spacing:-.055em;
    }
    .join p{
      margin:16px 0 0;
      max-width:680px;
      color:#c1d4eb;
    }
    .benefit-list{
      display:grid;
      gap:12px;
      margin:26px 0 0;
      padding:0;
      list-style:none;
    }
    .benefit-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:#dcecff;
    }
    .benefit-list li::before{
      content:"";
      width:10px;height:10px;
      margin-top:8px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 16px rgba(53,255,182,.6);
      flex:0 0 auto;
    }

    .toast{
      position:fixed;
      right:22px;
      bottom:22px;
      max-width:360px;
      padding:14px 16px;
      border-radius:18px;
      color:#061120;
      background:linear-gradient(135deg,var(--primary),var(--accent));
      box-shadow:var(--glow);
      font-weight:900;
      transform:translateY(20px);
      opacity:0;
      pointer-events:none;
      transition:.24s var(--ease);
      z-index:120;
    }
    .toast.show{
      transform:translateY(0);
      opacity:1;
    }

    .site-footer{
      border-top:1px solid var(--line);
      background:rgba(2,7,15,.64);
      padding:44px 0 28px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.1fr .7fr .7fr;
      gap:28px;
      align-items:start;
    }
    .footer-logo{
      display:flex;
      align-items:center;
      gap:12px;
      font-size:20px;
      font-weight:950;
    }
    .footer-logo .brand-mark{width:38px;height:38px;border-radius:14px}
    .footer-text{
      margin:16px 0 0;
      color:var(--muted);
      max-width:520px;
      font-size:14px;
    }
    .footer-col h3{
      margin:0 0 12px;
      font-size:15px;
      color:#ecf6ff;
    }
    .footer-links{
      margin:0;
      padding:0;
      list-style:none;
      display:grid;
      gap:8px;
    }
    .footer-links a{
      color:var(--muted);
      font-size:14px;
      transition:color .2s var(--ease),transform .2s var(--ease);
      display:inline-block;
    }
    .footer-links a:hover,.footer-links a:focus-visible{
      color:var(--primary);
      transform:translateX(3px);
    }
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      margin-top:34px;
      padding-top:20px;
      border-top:1px solid var(--line);
      color:#738aa8;
      font-size:13px;
    }

    @media (max-width:1024px){
      :root{--header:70px}
      .search-mini{display:none}
      .hero-shell,.material-layout,.split-grid,.join-card,.faq-wrap,.progress-shell,.news-layout{
        grid-template-columns:1fr;
      }
      .hero-shell{min-height:auto}
      .hero-copy{min-height:430px}
      .guide-flow{grid-template-columns:repeat(2,1fr)}
      .topic-grid{grid-template-columns:1fr 1fr}
      .topic-card.large{grid-row:auto;grid-column:span 2;min-height:300px}
      .proof-band{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-grid > :first-child{grid-column:span 2}
    }

    @media (max-width:768px){
      .container{width:min(100% - 28px,var(--max))}
      .nav-wrap{position:relative}
      .menu-toggle{display:inline-block}
      .nav-right{
        position:absolute;
        left:0;right:0;top:calc(100% + 10px);
        display:none;
        padding:14px;
        border:1px solid var(--line);
        border-radius:22px;
        background:rgba(4,12,25,.95);
        box-shadow:var(--shadow);
        backdrop-filter:blur(18px);
      }
      .site-header.menu-open .nav-right{display:block}
      .site-header.menu-open .menu-toggle span:nth-child(1){transform:translateY(6px) rotate(45deg)}
      .site-header.menu-open .menu-toggle span:nth-child(2){opacity:0}
      .site-header.menu-open .menu-toggle span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
      .primary-nav{display:grid;width:100%}
      .nav-link{justify-content:space-between;border-radius:16px}
      .dropdown{
        position:static;
        width:100%;
        margin-top:8px;
        opacity:1;
        visibility:visible;
        transform:none;
        display:none;
        box-shadow:none;
        background:rgba(255,255,255,.04);
      }
      .nav-item:focus-within .dropdown,.nav-item:hover .dropdown{display:block}
      .hero{padding-top:34px}
      .hero-copy,.whitepaper-card,.download-form,.dark-panel,.join-card{padding:22px}
      .hero-metrics{grid-template-columns:1fr}
      .commission-board{grid-template-columns:1fr}
      .commission-card.featured{grid-column:auto;grid-template-columns:1fr}
      .ring{width:96px;height:96px}
      .news-link{grid-template-columns:1fr;gap:6px}
      .news-date{order:-1}
      .arrow{display:none}
      .topic-grid{grid-template-columns:1fr}
      .topic-card.large{grid-column:auto}
      .section{padding:62px 0}
      .section-head{display:block}
    }

    @media (max-width:520px){
      .brand-note{display:none}
      .brand-name{font-size:18px}
      .brand-mark{width:38px;height:38px}
      h1{font-size:36px}
      .hero-intro{font-size:16px}
      .hero-actions{display:grid}
      .btn{width:100%;white-space:normal;text-align:center}
      .guide-flow{grid-template-columns:1fr}
      .footer-grid,.footer-grid > :first-child{grid-template-columns:1fr;grid-column:auto}
      .copyright{display:block}
      .copyright span{display:block;margin-top:8px}
      .toast{left:14px;right:14px;bottom:14px;max-width:none}
    }