/* roulang page: index */
:root{
      --bg:#060b18;
      --bg-2:#081225;
      --bg-3:#0e1d37;
      --panel:rgba(15, 31, 58, .68);
      --panel-strong:rgba(19, 40, 75, .86);
      --glass:rgba(255,255,255,.075);
      --glass-2:rgba(255,255,255,.11);
      --primary:#4dd8ff;
      --primary-2:#157dff;
      --accent:#ff4d6d;
      --accent-2:#ffb84d;
      --success:#38e6a4;
      --text:#eef7ff;
      --muted:#9bb0c9;
      --weak:#6f819c;
      --border:rgba(126, 169, 218, .22);
      --border-strong:rgba(77,216,255,.38);
      --shadow:0 22px 70px rgba(0,0,0,.42);
      --shadow-soft:0 14px 38px rgba(5, 17, 38, .35);
      --glow:0 0 28px rgba(77,216,255,.42), 0 0 56px rgba(21,125,255,.24);
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-sm:12px;
      --container:1180px;
      --section:96px;
      --ease:all .25s ease;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      color:var(--text);
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      line-height:1.72;
      background:
        radial-gradient(circle at 15% 2%, rgba(77,216,255,.18), transparent 30%),
        radial-gradient(circle at 84% 9%, rgba(255,77,109,.15), transparent 28%),
        radial-gradient(circle at 50% 86%, rgba(21,125,255,.16), transparent 35%),
        linear-gradient(180deg, #050914 0%, #071329 42%, #050914 100%);
      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,.8), rgba(0,0,0,.15));
      z-index:-2;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover,a:focus{color:var(--primary)}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(77,216,255,.32);color:#fff}

    .site-shell{position:relative;isolation:isolate}
    .site-shell::after{
      content:"";
      position:absolute;
      width:540px;
      height:540px;
      right:-260px;
      top:420px;
      background:radial-gradient(circle, rgba(77,216,255,.12), transparent 64%);
      pointer-events:none;
      z-index:-1;
    }
    .container{
      width:min(var(--container), calc(100% - 40px));
      margin:0 auto;
    }
    .section{
      padding:var(--section) 0;
      position:relative;
    }
    .section.compact{padding:64px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border:1px solid var(--border);
      border-radius:999px;
      color:#c9ecff;
      background:rgba(77,216,255,.08);
      font-size:13px;
      letter-spacing:.03em;
      box-shadow:inset 0 0 18px rgba(77,216,255,.05);
    }
    .eyebrow .dot{
      width:8px;height:8px;border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 14px var(--accent);
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:28px;
      margin-bottom:34px;
    }
    .section-title{
      margin:14px 0 0;
      font-size:clamp(28px, 4vw, 46px);
      line-height:1.18;
      letter-spacing:-.04em;
    }
    .section-lead{
      max-width:560px;
      margin:0;
      color:var(--muted);
      font-size:16px;
    }
    .muted{color:var(--muted)}
    .text-gradient{
      background:linear-gradient(90deg, #fff, #8ee9ff 46%, #ffb9c7);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }

    .glass-card{
      border:1px solid var(--border);
      background:linear-gradient(145deg, rgba(255,255,255,.105), rgba(255,255,255,.045));
      backdrop-filter:blur(18px);
      -webkit-backdrop-filter:blur(18px);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-soft);
      overflow:hidden;
      transition:var(--ease);
    }
    .glass-card:hover{
      transform:translateY(-4px);
      border-color:var(--border-strong);
      box-shadow:var(--shadow), 0 0 30px rgba(77,216,255,.13);
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      min-height:48px;
      padding:0 20px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:800;
      letter-spacing:.01em;
      transition:var(--ease);
      user-select:none;
      white-space:nowrap;
    }
    .btn-primary{
      color:#04101f;
      background:linear-gradient(135deg, #78e7ff, #3ea3ff 52%, #ff5c79);
      box-shadow:var(--glow);
    }
    .btn-primary:hover,.btn-primary:focus{
      color:#020914;
      transform:translateY(-2px);
      filter:saturate(1.12);
      box-shadow:0 0 34px rgba(77,216,255,.55), 0 16px 35px rgba(0,0,0,.32);
    }
    .btn-ghost{
      color:var(--text);
      background:rgba(255,255,255,.06);
      border-color:var(--border);
    }
    .btn-ghost:hover,.btn-ghost:focus{
      color:#fff;
      border-color:rgba(77,216,255,.55);
      background:rgba(77,216,255,.12);
      transform:translateY(-2px);
    }
    .btn-red{
      color:#fff;
      background:linear-gradient(135deg, #ff4d6d, #ff7a4d);
      box-shadow:0 0 28px rgba(255,77,109,.35);
    }
    .btn-red:hover,.btn-red:focus{
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 0 36px rgba(255,77,109,.52);
    }
    .btn:focus-visible,
    input:focus-visible,
    textarea:focus-visible,
    select:focus-visible,
    .nav-toggle:focus-visible{
      outline:3px solid rgba(77,216,255,.4);
      outline-offset:3px;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:100;
      border-bottom:1px solid rgba(126,169,218,.16);
      background:rgba(5, 10, 22, .72);
      backdrop-filter:blur(18px);
      -webkit-backdrop-filter:blur(18px);
    }
    .nav-wrap{
      height:78px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
      font-weight:900;
      letter-spacing:-.03em;
    }
    .brand-mark{
      width:42px;height:42px;
      display:grid;
      place-items:center;
      border-radius:14px;
      background:
        radial-gradient(circle at 30% 25%, rgba(255,255,255,.9), transparent 16%),
        linear-gradient(135deg, #4dd8ff, #157dff 48%, #ff4d6d);
      box-shadow:0 0 24px rgba(77,216,255,.36);
      color:#031023;
      flex:0 0 auto;
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.1;
    }
    .brand-title{font-size:18px;color:#fff}
    .brand-sub{font-size:12px;color:var(--muted);font-weight:600;letter-spacing:.08em;margin-top:3px}
    .main-nav{
      display:flex;
      align-items:center;
      gap:8px;
      padding:6px;
      border:1px solid rgba(126,169,218,.16);
      background:rgba(255,255,255,.04);
      border-radius:999px;
    }
    .main-nav a{
      display:inline-flex;
      align-items:center;
      min-height:38px;
      padding:0 16px;
      border-radius:999px;
      color:#c8d7ea;
      font-weight:700;
      font-size:14px;
    }
    .main-nav a:hover{
      color:#fff;
      background:rgba(77,216,255,.1);
    }
    .main-nav a.active{
      color:#04101f;
      background:linear-gradient(135deg, #8feeff, #4ca9ff);
      box-shadow:0 0 18px rgba(77,216,255,.28);
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .nav-toggle{
      display:none;
      width:44px;height:44px;
      border:1px solid var(--border);
      border-radius:14px;
      background:rgba(255,255,255,.06);
      color:#fff;
    }

    .hero{
      padding:54px 0 76px;
    }
    .launch-stage{
      position:relative;
      min-height:620px;
      display:grid;
      align-items:stretch;
      border:1px solid rgba(126,169,218,.22);
      border-radius:34px;
      overflow:hidden;
      background:
        linear-gradient(120deg, rgba(8,18,37,.72), rgba(9,27,55,.4)),
        radial-gradient(circle at 20% 38%, rgba(77,216,255,.18), transparent 28%),
        radial-gradient(circle at 80% 58%, rgba(255,77,109,.16), transparent 28%);
      box-shadow:var(--shadow);
    }
    .launch-stage::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px),
        linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px);
      background-size:58px 58px;
      opacity:.35;
      pointer-events:none;
    }
    .launch-content{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:26px;
      padding:42px;
      align-items:center;
    }
    .hero-copy{
      max-width:650px;
    }
    .hero h1{
      margin:18px 0 20px;
      font-size:clamp(38px, 7vw, 78px);
      line-height:.98;
      letter-spacing:-.07em;
    }
    .hero-desc{
      max-width:620px;
      color:#c2d5ec;
      font-size:18px;
      margin:0 0 28px;
    }
    .hero-actions{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:14px;
      margin-bottom:28px;
    }
    .hero-metrics{
      display:grid;
      grid-template-columns:repeat(3, minmax(0, 1fr));
      gap:12px;
      max-width:660px;
    }
    .metric-chip{
      padding:16px;
      border-radius:18px;
      border:1px solid rgba(126,169,218,.2);
      background:rgba(255,255,255,.055);
    }
    .metric-chip strong{
      display:block;
      font-size:24px;
      line-height:1.1;
      color:#fff;
    }
    .metric-chip span{
      display:block;
      margin-top:6px;
      color:var(--muted);
      font-size:13px;
    }
    .hero-panel{
      position:relative;
      min-height:500px;
      border-radius:30px;
      border:1px solid rgba(77,216,255,.25);
      background:
        linear-gradient(160deg, rgba(255,255,255,.12), rgba(255,255,255,.045)),
        radial-gradient(circle at 50% 20%, rgba(77,216,255,.18), transparent 35%);
      backdrop-filter:blur(20px);
      box-shadow:inset 0 0 28px rgba(77,216,255,.07), var(--shadow-soft);
      padding:28px;
      overflow:hidden;
    }
    .hero-panel::after{
      content:"";
      position:absolute;
      width:240px;height:240px;
      right:-90px;bottom:-90px;
      border-radius:50%;
      background:rgba(255,77,109,.16);
      filter:blur(8px);
    }
    .countdown-grid{
      display:grid;
      grid-template-columns:repeat(2, 1fr);
      gap:16px;
      margin-bottom:20px;
    }
    .time-ring{
      aspect-ratio:1;
      border-radius:50%;
      display:grid;
      place-items:center;
      position:relative;
      background:conic-gradient(from 0deg, var(--primary) var(--p), rgba(255,255,255,.08) 0);
      box-shadow:0 0 24px rgba(77,216,255,.18);
    }
    .time-ring::before{
      content:"";
      position:absolute;
      inset:10px;
      border-radius:50%;
      background:rgba(7,18,37,.92);
      border:1px solid rgba(255,255,255,.08);
    }
    .ring-inner{
      position:relative;
      text-align:center;
      z-index:1;
    }
    .ring-inner strong{
      display:block;
      font-size:34px;
      line-height:1;
    }
    .ring-inner span{
      color:var(--muted);
      font-size:13px;
    }
    .feature-rotator{
      position:relative;
      z-index:1;
      padding:18px;
      border:1px solid var(--border);
      border-radius:20px;
      background:rgba(4,12,26,.38);
    }
    .feature-rotator h3{
      margin:0 0 10px;
      font-size:18px;
    }
    .feature-rotator p{
      min-height:54px;
      margin:0;
      color:#bdd0e7;
    }
    .rotator-dots{
      display:flex;
      gap:8px;
      margin-top:16px;
    }
    .rotator-dots button{
      width:34px;
      height:7px;
      padding:0;
      border:0;
      border-radius:999px;
      background:rgba(255,255,255,.18);
      transition:var(--ease);
    }
    .rotator-dots button.active{
      width:54px;
      background:linear-gradient(90deg, var(--primary), var(--accent));
      box-shadow:0 0 14px rgba(77,216,255,.42);
    }
    .preorder-strip{
      position:relative;
      z-index:1;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      margin-top:18px;
      padding:16px;
      border-radius:18px;
      background:rgba(255,77,109,.10);
      border:1px solid rgba(255,77,109,.28);
    }
    .preorder-strip span{color:#ffd6de;font-size:14px}

    .triple-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr 1fr;
      gap:18px;
      align-items:stretch;
    }
    .sell-card{
      padding:26px;
      min-height:250px;
      position:relative;
    }
    .sell-card:nth-child(1){
      grid-row:span 2;
      background:
        linear-gradient(145deg, rgba(77,216,255,.14), rgba(255,255,255,.04));
    }
    .sell-card:nth-child(2){
      min-height:190px;
    }
    .sell-card:nth-child(3){
      min-height:190px;
      background:
        linear-gradient(145deg, rgba(255,77,109,.14), rgba(255,255,255,.04));
    }
    .sell-card:nth-child(4){
      grid-column:2 / 4;
      min-height:180px;
      display:grid;
      grid-template-columns:1fr auto;
      gap:20px;
      align-items:center;
    }
    .icon-badge{
      width:52px;height:52px;
      display:grid;
      place-items:center;
      border-radius:18px;
      background:rgba(77,216,255,.12);
      color:var(--primary);
      border:1px solid rgba(77,216,255,.24);
      margin-bottom:18px;
      font-size:20px;
    }
    .sell-card h3{
      margin:0 0 10px;
      font-size:24px;
      letter-spacing:-.03em;
    }
    .sell-card p{
      margin:0;
      color:#b8c9df;
    }
    .status-line{
      display:flex;
      align-items:center;
      gap:10px;
      margin-top:24px;
      color:#dbeeff;
      font-weight:700;
    }
    .status-line i{color:var(--success)}
    .mini-bars{
      display:flex;
      align-items:flex-end;
      gap:7px;
      height:96px;
      min-width:160px;
    }
    .mini-bars span{
      flex:1;
      border-radius:999px 999px 8px 8px;
      background:linear-gradient(180deg, var(--primary), rgba(21,125,255,.25));
      box-shadow:0 0 14px rgba(77,216,255,.24);
    }

    .demo-layout{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:22px;
      align-items:stretch;
    }
    .demo-console{
      padding:26px;
      background:
        linear-gradient(160deg, rgba(3,10,24,.92), rgba(12,31,61,.7));
      border:1px solid rgba(77,216,255,.25);
      border-radius:var(--radius-xl);
      box-shadow:var(--shadow-soft);
    }
    .console-top{
      display:flex;
      justify-content:space-between;
      align-items:center;
      padding-bottom:16px;
      border-bottom:1px solid rgba(126,169,218,.18);
      margin-bottom:18px;
    }
    .console-lights{display:flex;gap:7px}
    .console-lights span{width:10px;height:10px;border-radius:50%;background:var(--accent)}
    .console-lights span:nth-child(2){background:var(--accent-2)}
    .console-lights span:nth-child(3){background:var(--success)}
    .search-unit{
      display:flex;
      align-items:center;
      gap:10px;
      padding:14px 16px;
      border-radius:16px;
      background:rgba(255,255,255,.06);
      border:1px solid var(--border);
      color:#d4e6fb;
      margin-bottom:18px;
    }
    .search-unit i{color:var(--primary)}
    .demo-tags{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-bottom:20px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(126,169,218,.2);
      background:rgba(255,255,255,.055);
      color:#d3e2f4;
      font-size:13px;
      font-weight:700;
    }
    .tag.hot{border-color:rgba(255,77,109,.35);color:#ffd4dd;background:rgba(255,77,109,.09)}
    .result-row{
      display:flex;
      align-items:center;
      gap:14px;
      padding:14px;
      border-radius:16px;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(255,255,255,.08);
      margin-top:12px;
    }
    .result-index{
      width:34px;height:34px;border-radius:12px;
      display:grid;place-items:center;
      background:rgba(77,216,255,.12);
      color:var(--primary);
      font-weight:900;
    }
    .result-row strong{display:block;font-size:15px}
    .result-row span{display:block;color:var(--muted);font-size:13px}
    .step-rail{
      display:grid;
      gap:14px;
    }
    .step-card{
      display:grid;
      grid-template-columns:54px 1fr;
      gap:16px;
      padding:22px;
      border-radius:22px;
      border:1px solid var(--border);
      background:rgba(255,255,255,.055);
      transition:var(--ease);
    }
    .step-card:hover{
      background:rgba(77,216,255,.08);
      border-color:rgba(77,216,255,.32);
      transform:translateX(4px);
    }
    .step-number{
      width:54px;height:54px;
      border-radius:18px;
      display:grid;
      place-items:center;
      color:#031023;
      font-weight:900;
      background:linear-gradient(135deg, #8ee9ff, #4ca9ff);
      box-shadow:0 0 18px rgba(77,216,255,.28);
    }
    .step-card h3{margin:0 0 6px;font-size:20px}
    .step-card p{margin:0;color:#b8c9df}

    .proof-wrap{
      display:grid;
      grid-template-columns:.92fr 1.08fr;
      gap:22px;
      align-items:stretch;
    }
    .progress-card{
      padding:28px;
      position:relative;
    }
    .progress-head{
      display:flex;
      justify-content:space-between;
      gap:18px;
      margin-bottom:18px;
    }
    .progress-head strong{font-size:34px;line-height:1;color:#fff}
    .progress-head span{color:var(--muted);font-size:14px}
    .progress-track{
      height:16px;
      background:rgba(255,255,255,.08);
      border-radius:999px;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.08);
    }
    .progress-fill{
      height:100%;
      width:76%;
      border-radius:999px;
      background:linear-gradient(90deg, var(--primary), var(--accent));
      box-shadow:0 0 18px rgba(77,216,255,.34);
    }
    .reward-grid{
      display:grid;
      grid-template-columns:repeat(3, 1fr);
      gap:12px;
      margin-top:20px;
    }
    .reward{
      padding:16px;
      border-radius:18px;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(126,169,218,.18);
    }
    .reward strong{display:block;font-size:18px}
    .reward span{display:block;color:var(--muted);font-size:13px;margin-top:4px}
    .wall-card{
      padding:28px;
    }
    .supporter-wall{
      display:grid;
      grid-template-columns:repeat(4, 1fr);
      gap:12px;
      margin-top:20px;
    }
    .supporter{
      min-height:86px;
      display:flex;
      flex-direction:column;
      justify-content:center;
      align-items:center;
      text-align:center;
      border-radius:18px;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(126,169,218,.18);
    }
    .avatar{
      width:34px;height:34px;
      display:grid;place-items:center;
      border-radius:50%;
      margin-bottom:8px;
      background:linear-gradient(135deg, rgba(77,216,255,.9), rgba(255,77,109,.9));
      color:#031023;
      font-weight:900;
    }
    .supporter span{font-size:13px;color:#d6e7fb}

    .compare-grid{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:22px;
    }
    .compare-side{
      padding:28px;
      border-radius:var(--radius-xl);
      border:1px solid var(--border);
      background:rgba(255,255,255,.045);
    }
    .compare-side.highlight{
      border-color:rgba(77,216,255,.35);
      background:linear-gradient(150deg, rgba(77,216,255,.12), rgba(255,255,255,.05));
      box-shadow:0 0 30px rgba(77,216,255,.12);
    }
    .compare-side h3{margin:0 0 18px;font-size:26px}
    .check-list{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:14px;
    }
    .check-list li{
      display:flex;
      gap:12px;
      align-items:flex-start;
      color:#c7d9ee;
    }
    .check-list i{
      margin-top:5px;
      color:var(--success);
    }
    .compare-side:not(.highlight) .check-list i{color:var(--weak)}

    .news-layout{
      display:grid;
      grid-template-columns:1.35fr .65fr;
      gap:22px;
      align-items:start;
    }
    .news-list{
      border-radius:var(--radius-xl);
      overflow:hidden;
      border:1px solid var(--border);
      background:rgba(255,255,255,.045);
    }
    .news-item{
      display:grid;
      grid-template-columns:118px 1fr auto;
      gap:18px;
      align-items:center;
      padding:20px 22px;
      border-bottom:1px solid rgba(126,169,218,.16);
      transition:var(--ease);
    }
    .news-item:last-child{border-bottom:0}
    .news-item:hover{
      background:rgba(77,216,255,.075);
    }
    .news-date{
      color:var(--primary);
      font-weight:900;
      letter-spacing:.04em;
    }
    .news-item h3{
      margin:0 0 4px;
      font-size:19px;
      letter-spacing:-.02em;
    }
    .news-item p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .news-arrow{
      width:38px;height:38px;
      display:grid;place-items:center;
      border-radius:50%;
      border:1px solid rgba(126,169,218,.2);
      color:#d6e8fb;
    }
    .news-item:hover .news-arrow{
      color:#031023;
      background:var(--primary);
      border-color:var(--primary);
      transform:translateX(4px);
    }
    .recommend-card{
      padding:24px;
      position:sticky;
      top:104px;
    }
    .recommend-card h3{margin:0 0 14px;font-size:23px}
    .topic-list{
      display:grid;
      gap:10px;
      margin-top:16px;
    }
    .topic{
      display:flex;
      justify-content:space-between;
      gap:10px;
      align-items:center;
      padding:13px 14px;
      border-radius:16px;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(126,169,218,.16);
      color:#d5e5f8;
      font-weight:700;
    }
    .topic:hover{
      background:rgba(77,216,255,.1);
      border-color:rgba(77,216,255,.32);
    }
    .topic small{color:var(--muted);font-weight:700}

    .beginner-grid{
      display:grid;
      grid-template-columns:repeat(4, 1fr);
      gap:16px;
    }
    .beginner-card{
      padding:24px;
      min-height:230px;
      position:relative;
    }
    .beginner-card::before{
      content:"";
      position:absolute;
      inset:0;
      border-radius:inherit;
      background:linear-gradient(180deg, rgba(77,216,255,.12), transparent 42%);
      opacity:0;
      transition:var(--ease);
    }
    .beginner-card:hover::before{opacity:1}
    .beginner-card .num{
      display:inline-flex;
      width:44px;height:44px;
      align-items:center;justify-content:center;
      border-radius:16px;
      background:rgba(77,216,255,.12);
      border:1px solid rgba(77,216,255,.24);
      color:var(--primary);
      font-weight:900;
      margin-bottom:16px;
    }
    .beginner-card h3{position:relative;margin:0 0 10px;font-size:21px}
    .beginner-card p{position:relative;margin:0;color:#b8c9df}

    .faq-grid{
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:22px;
      align-items:start;
    }
    .faq-aside{
      padding:28px;
      border-radius:var(--radius-xl);
      border:1px solid rgba(255,77,109,.24);
      background:linear-gradient(155deg, rgba(255,77,109,.12), rgba(255,255,255,.045));
    }
    .faq-aside h3{margin:0 0 12px;font-size:28px}
    .faq-aside p{color:#ffd7df;margin:0 0 18px}
    .accordion{
      background:transparent;
    }
    .accordion-item{
      margin-bottom:12px;
      border:1px solid var(--border);
      border-radius:18px;
      overflow:hidden;
      background:rgba(255,255,255,.05);
    }
    .accordion-title{
      border:0;
      color:#fff;
      font-size:17px;
      font-weight:800;
      padding:19px 52px 19px 20px;
      background:transparent;
    }
    .accordion-title:hover,.accordion-title:focus{
      background:rgba(77,216,255,.08);
      color:#fff;
    }
    .accordion-title::before{color:var(--primary);font-size:22px;margin-top:-13px}
    .accordion-content{
      border:0;
      color:#b9cce4;
      background:rgba(4,12,26,.32);
      padding:0 20px 20px;
    }

    .form-section{
      padding-bottom:110px;
    }
    .conversion{
      display:grid;
      grid-template-columns:.92fr 1.08fr;
      gap:24px;
      align-items:stretch;
      border-radius:34px;
      border:1px solid rgba(77,216,255,.26);
      background:
        radial-gradient(circle at 15% 18%, rgba(77,216,255,.18), transparent 28%),
        radial-gradient(circle at 90% 80%, rgba(255,77,109,.14), transparent 30%),
        rgba(255,255,255,.055);
      box-shadow:var(--shadow);
      padding:30px;
      overflow:hidden;
    }
    .conversion-copy{
      padding:18px 6px 18px 12px;
    }
    .conversion-copy h2{
      margin:14px 0 14px;
      font-size:clamp(30px, 4vw, 50px);
      line-height:1.12;
      letter-spacing:-.05em;
    }
    .conversion-copy p{
      color:#c1d4eb;
      margin:0 0 22px;
    }
    .benefit-stack{
      display:grid;
      gap:12px;
      margin-top:24px;
    }
    .benefit{
      display:flex;
      align-items:center;
      gap:12px;
      padding:14px 16px;
      border-radius:16px;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(126,169,218,.16);
      color:#dbeeff;
      font-weight:700;
    }
    .benefit i{color:var(--success)}
    .lead-form{
      padding:24px;
      border-radius:26px;
      border:1px solid rgba(126,169,218,.22);
      background:rgba(4,12,26,.48);
      backdrop-filter:blur(16px);
    }
    .form-row{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
    }
    .field{
      margin-bottom:14px;
    }
    .field label{
      display:block;
      color:#dcecff;
      font-weight:800;
      margin-bottom:8px;
      font-size:14px;
    }
    .field input,
    .field select,
    .field textarea{
      width:100%;
      min-height:50px;
      border-radius:16px;
      border:1px solid rgba(126,169,218,.22);
      background:rgba(255,255,255,.075);
      color:#fff;
      padding:0 15px;
      box-shadow:none;
      transition:var(--ease);
      margin:0;
    }
    .field textarea{
      min-height:112px;
      padding:14px 15px;
      resize:vertical;
    }
    .field select option{color:#071329;background:#fff}
    .field input::placeholder,
    .field textarea::placeholder{color:#7f91aa}
    .field input:focus,
    .field select:focus,
    .field textarea:focus{
      border-color:rgba(77,216,255,.55);
      background:rgba(77,216,255,.09);
      box-shadow:0 0 0 4px rgba(77,216,255,.1);
    }
    .form-tip{
      margin:12px 0 0;
      color:var(--muted);
      font-size:13px;
    }
    .form-message{
      display:none;
      margin-top:14px;
      padding:12px 14px;
      border-radius:14px;
      background:rgba(56,230,164,.12);
      border:1px solid rgba(56,230,164,.25);
      color:#bdf8df;
      font-weight:700;
    }

    .site-footer{
      border-top:1px solid rgba(126,169,218,.16);
      background:rgba(3,8,18,.78);
      padding:44px 0 28px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:28px;
      align-items:start;
    }
    .footer-brand{
      display:flex;
      gap:12px;
      align-items:center;
      margin-bottom:14px;
      font-weight:900;
      font-size:18px;
    }
    .footer-brand .brand-mark{width:38px;height:38px;border-radius:13px}
    .footer-text{
      max-width:520px;
      color:var(--muted);
      margin:0;
    }
    .footer-title{
      margin:0 0 14px;
      font-size:16px;
      color:#fff;
      font-weight:900;
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:#aebfd5;
      font-weight:700;
      width:max-content;
    }
    .footer-links a:hover{
      color:var(--primary);
      transform:translateX(3px);
    }
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      margin-top:34px;
      padding-top:22px;
      border-top:1px solid rgba(126,169,218,.14);
      color:#7f91aa;
      font-size:13px;
    }

    .floating-cta{
      position:fixed;
      left:50%;
      bottom:20px;
      transform:translateX(-50%);
      z-index:90;
      width:min(640px, calc(100% - 28px));
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:14px;
      padding:12px 14px 12px 18px;
      border-radius:999px;
      border:1px solid rgba(77,216,255,.3);
      background:rgba(5,12,26,.82);
      backdrop-filter:blur(18px);
      box-shadow:0 18px 44px rgba(0,0,0,.38), 0 0 26px rgba(77,216,255,.15);
    }
    .floating-cta span{
      color:#dbeeff;
      font-weight:800;
      font-size:14px;
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .floating-cta .btn{
      min-height:40px;
      padding:0 16px;
      font-size:14px;
    }

    @media (max-width:1024px){
      :root{--section:78px}
      .launch-content,
      .demo-layout,
      .proof-wrap,
      .compare-grid,
      .news-layout,
      .faq-grid,
      .conversion{
        grid-template-columns:1fr;
      }
      .hero-panel{min-height:auto}
      .triple-grid{
        grid-template-columns:1fr 1fr;
      }
      .sell-card:nth-child(1),
      .sell-card:nth-child(4){
        grid-column:auto;
        grid-row:auto;
      }
      .sell-card:nth-child(4){
        grid-template-columns:1fr;
      }
      .beginner-grid{
        grid-template-columns:repeat(2, 1fr);
      }
      .recommend-card{position:relative;top:auto}
      .supporter-wall{grid-template-columns:repeat(3, 1fr)}
    }

    @media (max-width:768px){
      .container{width:min(100% - 28px, var(--container))}
      .nav-wrap{height:68px}
      .brand-title{font-size:16px}
      .brand-sub{display:none}
      .nav-toggle{display:grid;place-items:center}
      .main-nav{
        position:absolute;
        top:76px;
        left:14px;
        right:14px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        border-radius:22px;
        padding:10px;
        background:rgba(5, 12, 26, .96);
        box-shadow:var(--shadow);
      }
      .main-nav.open{display:flex}
      .main-nav a{
        justify-content:center;
        border-radius:16px;
        min-height:46px;
      }
      .nav-actions .btn{display:none}
      .launch-content{
        padding:24px;
      }
      .launch-stage{
        border-radius:26px;
        min-height:auto;
      }
      .hero{
        padding:34px 0 58px;
      }
      .hero h1{
        font-size:clamp(36px, 13vw, 58px);
      }
      .hero-desc{font-size:16px}
      .hero-metrics,
      .countdown-grid,
      .triple-grid,
      .reward-grid,
      .supporter-wall,
      .form-row,
      .footer-grid{
        grid-template-columns:1fr;
      }
      .section-head{
        display:block;
      }
      .section-lead{margin-top:14px}
      .news-item{
        grid-template-columns:1fr auto;
      }
      .news-date{
        grid-column:1 / -1;
      }
      .conversion{padding:22px}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:8px}
      .floating-cta{border-radius:22px;align-items:stretch;flex-direction:column}
      .floating-cta span{white-space:normal;text-align:center}
      .floating-cta .btn{width:100%}
    }

    @media (max-width:520px){
      :root{--section:62px}
      .brand-mark{width:38px;height:38px}
      .hero-actions .btn{
        width:100%;
      }
      .hero-metrics{
        gap:10px;
      }
      .metric-chip strong{font-size:22px}
      .hero-panel{padding:18px;border-radius:22px}
      .ring-inner strong{font-size:28px}
      .beginner-grid{
        grid-template-columns:1fr;
      }
      .step-card{
        grid-template-columns:1fr;
      }
      .section-title{
        font-size:30px;
      }
      .news-item{
        padding:18px;
      }
    }