:root{
      --bg:#080a12;
      --bg2:#0e1324;
      --card:rgba(255,255,255,.08);
      --card2:rgba(255,255,255,.12);
      --line:rgba(255,255,255,.14);
      --text:#f7f8ff;
      --muted:#b8c0d8;
      --soft:#8892b5;
      --brand:#8b5cf6;
      --brand2:#06b6d4;
      --brand3:#ff4ecd;
      --gold:#ffd166;
      --shadow:0 30px 80px rgba(0,0,0,.38);
      --radius:28px;
      --max: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 18% 8%, rgba(139,92,246,.35), transparent 32%),
        radial-gradient(circle at 82% 15%, rgba(6,182,212,.22), transparent 28%),
        radial-gradient(circle at 55% 82%, rgba(255,78,205,.16), transparent 30%),
        linear-gradient(180deg,#070913 0%,#0b1020 45%,#080a12 100%);
      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:44px 44px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.8), transparent 88%);
      z-index:-2;
    }
    body:after{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background:radial-gradient(circle at center, transparent 0 45%, rgba(0,0,0,.32) 100%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    .container{width:min(var(--max), calc(100% - 40px)); margin:0 auto}
    .skip{position:absolute;left:-999px;top:auto}
    .skip:focus{left:18px;top:18px;background:#fff;color:#111;padding:10px 14px;border-radius:12px;z-index:99}
    header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter:blur(20px);
      background:rgba(8,10,18,.58);
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .nav{
      height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
    }
    .logo{
      display:flex;
      align-items:center;
      gap:12px;
      font-weight:900;
      letter-spacing:.5px;
    }
    .logo-mark{
      width:42px;height:42px;border-radius:16px;
      background:
        radial-gradient(circle at 30% 25%, #fff 0 7%, transparent 8%),
        linear-gradient(135deg,var(--brand),var(--brand3) 52%,var(--brand2));
      box-shadow:0 12px 36px rgba(139,92,246,.38);
      position:relative;
      overflow:hidden;
    }
    .logo-mark:after{
      content:"";
      position:absolute;inset:9px 8px;
      border:2px solid rgba(255,255,255,.74);
      border-left-color:transparent;
      border-radius:50%;
      transform:rotate(-18deg);
    }
    .logo span{font-size:18px}
    .nav-links{
      display:flex;
      align-items:center;
      gap:6px;
      padding:6px;
      border:1px solid rgba(255,255,255,.09);
      background:rgba(255,255,255,.045);
      border-radius:999px;
    }
    .nav-links a{
      color:var(--muted);
      font-size:14px;
      padding:10px 14px;
      border-radius:999px;
      transition:.25s ease;
    }
    .nav-links a:hover{color:#fff;background:rgba(255,255,255,.09)}
    .nav-cta{
      display:flex;align-items:center;gap:10px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      border:1px solid rgba(255,255,255,.14);
      background:rgba(255,255,255,.08);
      color:#fff;
      min-height:44px;
      padding:0 18px;
      border-radius:999px;
      font-weight:700;
      box-shadow:0 12px 34px rgba(0,0,0,.18);
      transition:.28s ease;
      cursor:pointer;
    }
    .btn:hover{transform:translateY(-2px);background:rgba(255,255,255,.13)}
    .btn.primary{
      border:0;
      background:linear-gradient(135deg,var(--brand),var(--brand3) 55%,var(--brand2));
      box-shadow:0 18px 46px rgba(139,92,246,.35);
    }
    .menu-btn{
      display:none;
      width:44px;height:44px;border-radius:14px;
      border:1px solid rgba(255,255,255,.14);
      background:rgba(255,255,255,.07);
      color:#fff;
      cursor:pointer;
    }
    .menu-btn i,.menu-btn i:before,.menu-btn i:after{
      display:block;width:18px;height:2px;background:#fff;border-radius:4px;margin:auto;content:"";
      transition:.25s;
    }
    .menu-btn i:before{transform:translateY(-6px)}
    .menu-btn i:after{transform:translateY(4px)}
    .mobile-open .menu-btn i{background:transparent}
    .mobile-open .menu-btn i:before{transform:translateY(2px) rotate(45deg)}
    .mobile-open .menu-btn i:after{transform:translateY(0) rotate(-45deg)}

    .hero{
      position:relative;
      padding:86px 0 82px;
      overflow:hidden;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1.02fr .98fr;
      gap:54px;
      align-items:center;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:10px;
      color:#dfe5ff;
      border:1px solid rgba(255,255,255,.14);
      background:rgba(255,255,255,.07);
      padding:9px 13px;
      border-radius:999px;
      font-size:14px;
      margin-bottom:22px;
    }
    .pulse{
      width:9px;height:9px;border-radius:50%;
      background:#22c55e;
      box-shadow:0 0 0 0 rgba(34,197,94,.55);
      animation:pulse 1.8s infinite;
    }
    @keyframes pulse{
      70%{box-shadow:0 0 0 12px rgba(34,197,94,0)}
      100%{box-shadow:0 0 0 0 rgba(34,197,94,0)}
    }
    h1{
      margin:0;
      font-size:clamp(42px,7vw,86px);
      line-height:.98;
      letter-spacing:-3px;
    }
    .gradient-text{
      background:linear-gradient(100deg,#fff 0%,#d9ddff 30%,#ff95df 62%,#67e8f9 100%);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .lead{
      margin:26px 0 0;
      max-width:720px;
      color:var(--muted);
      font-size:clamp(16px,2vw,20px);
      line-height:1.85;
    }
    .hero-actions{
      display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;
    }
    .trust-row{
      display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;color:#d2d8f3;font-size:14px;
    }
    .trust-row span{
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.055);
      padding:9px 12px;border-radius:999px;
    }
    .stage{
      position:relative;
      min-height:520px;
      perspective:1200px;
    }
    .orb{
      position:absolute;border-radius:50%;filter:blur(1px);
      opacity:.9;animation:float 7s ease-in-out infinite;
    }
    .orb.one{width:118px;height:118px;background:linear-gradient(135deg,var(--brand),transparent);right:10%;top:2%}
    .orb.two{width:70px;height:70px;background:linear-gradient(135deg,var(--brand2),transparent);left:8%;bottom:18%;animation-delay:-2s}
    .orb.three{width:42px;height:42px;background:var(--gold);right:2%;bottom:12%;animation-delay:-3.5s}
    @keyframes float{
      0%,100%{transform:translateY(0)}
      50%{transform:translateY(-18px)}
    }
    .player-card{
      position:absolute;
      inset:45px 6px 25px 20px;
      border:1px solid rgba(255,255,255,.16);
      border-radius:36px;
      background:
        linear-gradient(145deg,rgba(255,255,255,.14),rgba(255,255,255,.045)),
        radial-gradient(circle at 20% 15%, rgba(255,78,205,.22), transparent 34%),
        radial-gradient(circle at 80% 70%, rgba(6,182,212,.2), transparent 34%);
      box-shadow:var(--shadow);
      backdrop-filter:blur(18px);
      transform:rotateY(-8deg) rotateX(4deg);
      overflow:hidden;
    }
    .player-card:before{
      content:"";
      position:absolute;inset:0;
      background:linear-gradient(115deg,transparent 0 34%,rgba(255,255,255,.18) 43%,transparent 52% 100%);
      transform:translateX(-80%);
      animation:shine 5.5s ease-in-out infinite;
    }
    @keyframes shine{
      0%,45%{transform:translateX(-90%)}
      75%,100%{transform:translateX(95%)}
    }
    .player-top{
      height:62px;
      display:flex;align-items:center;justify-content:space-between;
      padding:0 22px;
      border-bottom:1px solid rgba(255,255,255,.12);
      background:rgba(0,0,0,.13);
    }
    .dots{display:flex;gap:8px}
    .dots b{width:10px;height:10px;border-radius:50%;display:block;background:#ff5f57}
    .dots b:nth-child(2){background:#ffbd2e}
    .dots b:nth-child(3){background:#28c840}
    .live-tag{
      display:inline-flex;align-items:center;gap:8px;
      padding:7px 11px;border-radius:999px;
      background:rgba(255,255,255,.1);
      color:#fff;font-size:13px;
    }
    .visual{
      position:relative;
      margin:22px;
      height:278px;
      border-radius:26px;
      background:
        radial-gradient(circle at 50% 50%, rgba(255,255,255,.18), transparent 8%),
        conic-gradient(from 210deg,rgba(139,92,246,.9),rgba(255,78,205,.7),rgba(6,182,212,.8),rgba(139,92,246,.9));
      overflow:hidden;
      display:grid;place-items:center;
    }
    .visual:before{
      content:"";
      position:absolute;inset:14px;border-radius:22px;
      background:radial-gradient(circle at 50% 50%, rgba(8,10,18,.15), rgba(8,10,18,.78) 72%);
      border:1px solid rgba(255,255,255,.13);
    }
    .play{
      position:relative;
      width:86px;height:86px;border-radius:50%;
      display:grid;place-items:center;
      background:rgba(255,255,255,.16);
      border:1px solid rgba(255,255,255,.28);
      backdrop-filter:blur(12px);
      box-shadow:0 18px 50px rgba(0,0,0,.34);
    }
    .play:after{
      content:"";
      width:0;height:0;
      border-top:16px solid transparent;
      border-bottom:16px solid transparent;
      border-left:24px solid #fff;
      transform:translateX(4px);
    }
    .player-info{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
      padding:0 22px 22px;
    }
    .mini{
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.07);
      border-radius:20px;
      padding:16px;
    }
    .mini strong{display:block;font-size:15px;margin-bottom:8px}
    .mini p{margin:0;color:var(--muted);font-size:13px;line-height:1.55}
    .float-panel{
      position:absolute;
      left:-6px;bottom:30px;
      width:218px;
      padding:16px;
      border-radius:24px;
      background:rgba(12,18,35,.72);
      border:1px solid rgba(255,255,255,.14);
      backdrop-filter:blur(18px);
      box-shadow:0 22px 50px rgba(0,0,0,.28);
    }
    .bar{height:8px;border-radius:99px;background:rgba(255,255,255,.12);overflow:hidden;margin-top:12px}
    .bar i{display:block;height:100%;width:68%;border-radius:99px;background:linear-gradient(90deg,var(--brand3),var(--brand2))}
    .section{
      padding:78px 0;
      position:relative;
    }
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:end;
      gap:28px;
      margin-bottom:34px;
    }
    .kicker{
      color:#95f0ff;
      font-weight:800;
      letter-spacing:.18em;
      font-size:13px;
      text-transform:uppercase;
      margin:0 0 12px;
    }
    h2{
      margin:0;
      font-size:clamp(30px,4vw,52px);
      letter-spacing:-1.5px;
      line-height:1.12;
    }
    .section-desc{
      margin:0;
      color:var(--muted);
      line-height:1.8;
      max-width:520px;
    }
    .cards{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
    }
    .card{
      border:1px solid rgba(255,255,255,.12);
      background:linear-gradient(180deg,rgba(255,255,255,.09),rgba(255,255,255,.045));
      border-radius:var(--radius);
      padding:26px;
      min-height:220px;
      box-shadow:0 18px 60px rgba(0,0,0,.18);
      transition:.3s ease;
      position:relative;
      overflow:hidden;
    }
    .card:before{
      content:"";
      position:absolute;inset:auto -30% -45% -30%;
      height:120px;background:radial-gradient(closest-side,rgba(139,92,246,.28),transparent);
      opacity:0;transition:.3s;
    }
    .card:hover{transform:translateY(-6px);border-color:rgba(255,255,255,.24);background:linear-gradient(180deg,rgba(255,255,255,.13),rgba(255,255,255,.055))}
    .card:hover:before{opacity:1}
    .icon{
      width:52px;height:52px;border-radius:18px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,rgba(139,92,246,.9),rgba(6,182,212,.75));
      box-shadow:0 14px 34px rgba(6,182,212,.16);
      margin-bottom:22px;
    }
    .icon svg{width:26px;height:26px;fill:none;stroke:#fff;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
    h3{margin:0 0 12px;font-size:21px}
    .card p,.feature p,.step p,.faq p{color:var(--muted);line-height:1.76;margin:0}
    .showcase{
      border:1px solid rgba(255,255,255,.12);
      border-radius:36px;
      background:
        radial-gradient(circle at 20% 20%,rgba(139,92,246,.22),transparent 36%),
        radial-gradient(circle at 80% 52%,rgba(6,182,212,.16),transparent 34%),
        rgba(255,255,255,.055);
      padding:26px;
      box-shadow:var(--shadow);
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:22px;
      overflow:hidden;
    }
    .show-menu{
      display:flex;
      flex-direction:column;
      gap:12px;
    }
    .show-menu button{
      text-align:left;color:#fff;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.06);
      border-radius:22px;
      padding:18px;
      cursor:pointer;
      transition:.25s;
    }
    .show-menu button.active,.show-menu button:hover{
      background:linear-gradient(135deg,rgba(139,92,246,.38),rgba(6,182,212,.18));
      border-color:rgba(255,255,255,.28);
      transform:translateX(4px);
    }
    .show-menu strong{display:block;font-size:18px;margin-bottom:7px}
    .show-menu span{display:block;color:var(--muted);font-size:14px;line-height:1.55}
    .show-screen{
      min-height:420px;
      border-radius:28px;
      border:1px solid rgba(255,255,255,.13);
      background:rgba(0,0,0,.2);
      position:relative;
      overflow:hidden;
      padding:24px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .screen-art{
      position:absolute;inset:0;
      background:
        linear-gradient(120deg,rgba(255,255,255,.13) 0 1px,transparent 1px 100%),
        radial-gradient(circle at 30% 25%,rgba(255,78,205,.34),transparent 30%),
        radial-gradient(circle at 74% 70%,rgba(6,182,212,.34),transparent 32%),
        linear-gradient(145deg,#111827,#15122c 48%,#07111d);
      background-size:28px 28px,auto,auto,auto;
      transition:.35s ease;
    }
    .screen-content{position:relative;z-index:1}
    .screen-badge{
      display:inline-flex;align-items:center;gap:8px;
      padding:8px 12px;border-radius:999px;
      background:rgba(0,0,0,.28);
      border:1px solid rgba(255,255,255,.14);
      color:#e6ebff;font-size:14px;
    }
    .screen-title{
      margin-top:130px;
      font-size:clamp(28px,4vw,48px);
      max-width:560px;
      line-height:1.15;
      font-weight:900;
      letter-spacing:-1px;
    }
    .screen-text{
      max-width:560px;color:#d1d7ee;line-height:1.75;margin-top:16px;
    }
    .chips{position:relative;z-index:1;display:flex;gap:10px;flex-wrap:wrap}
    .chips span{font-size:13px;padding:8px 11px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.14)}
    .features{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .feature{
      padding:22px;
      border-radius:26px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.11);
    }
    .feature b{
      display:inline-flex;width:34px;height:34px;align-items:center;justify-content:center;
      border-radius:12px;background:rgba(255,255,255,.11);
      color:#9df4ff;margin-bottom:16px;
    }
    .steps{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
      counter-reset:step;
    }
    .step{
      counter-increment:step;
      position:relative;
      padding:28px 24px;
      border-radius:var(--radius);
      background:linear-gradient(180deg,rgba(255,255,255,.09),rgba(255,255,255,.04));
      border:1px solid rgba(255,255,255,.12);
      min-height:220px;
    }
    .step:before{
      content:"0" counter(step);
      display:block;
      font-size:14px;
      color:#fff;
      width:42px;height:42px;border-radius:16px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,var(--brand3),var(--brand));
      margin-bottom:24px;
      font-weight:900;
    }
    .info-band{
      display:grid;
      grid-template-columns:1fr 1fr 1fr;
      gap:18px;
      padding:22px;
      border-radius:34px;
      border:1px solid rgba(255,255,255,.12);
      background:linear-gradient(135deg,rgba(139,92,246,.18),rgba(6,182,212,.08),rgba(255,78,205,.11));
    }
    .info-item{
      padding:24px;
      border-radius:26px;
      background:rgba(0,0,0,.18);
      border:1px solid rgba(255,255,255,.1);
    }
    .info-item strong{display:block;font-size:22px;margin-bottom:12px}
    .info-item p{margin:0;color:var(--muted);line-height:1.7}
    .faq-wrap{
      display:grid;
      grid-template-columns:.72fr 1.28fr;
      gap:28px;
      align-items:start;
    }
    .faq-list{display:grid;gap:14px}
    .faq{
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.06);
      border-radius:24px;
      overflow:hidden;
    }
    .faq button{
      width:100%;
      border:0;
      background:transparent;
      color:#fff;
      padding:20px 22px;
      text-align:left;
      font-size:17px;
      font-weight:800;
      cursor:pointer;
      display:flex;
      justify-content:space-between;
      gap:18px;
    }
    .faq button:after{content:"+";color:#9df4ff;font-size:24px;line-height:1}
    .faq.open button:after{content:"−"}
    .faq p{padding:0 22px 20px;display:none}
    .faq.open p{display:block}
    .cta{
      text-align:center;
      padding:64px 26px;
      border-radius:40px;
      border:1px solid rgba(255,255,255,.14);
      background:
        radial-gradient(circle at 30% 30%,rgba(255,78,205,.24),transparent 32%),
        radial-gradient(circle at 76% 35%,rgba(6,182,212,.22),transparent 35%),
        linear-gradient(135deg,rgba(255,255,255,.11),rgba(255,255,255,.045));
      box-shadow:var(--shadow);
      overflow:hidden;
      position:relative;
    }
    .cta h2{max-width:780px;margin:0 auto}
    .cta p{max-width:720px;margin:18px auto 0;color:var(--muted);line-height:1.8}
    footer{
      border-top:1px solid rgba(255,255,255,.1);
      padding:36px 0;
      color:var(--soft);
    }
    .footer-grid{
      display:flex;
      justify-content:space-between;
      gap:20px;
      align-items:center;
      flex-wrap:wrap;
    }
    .footer-links{display:flex;gap:14px;flex-wrap:wrap}
    .footer-links a{color:var(--muted);font-size:14px}
    .footer-links a:hover{color:#fff}
    .reveal{opacity:0;transform:translateY(18px);transition:.65s ease}
    .reveal.visible{opacity:1;transform:translateY(0)}
    @media (max-width: 980px){
      .hero{padding-top:54px}
      .hero-grid,.showcase,.faq-wrap{grid-template-columns:1fr}
      .stage{min-height:520px;max-width:640px;margin:0 auto;width:100%}
      .cards,.info-band{grid-template-columns:1fr 1fr}
      .features,.steps{grid-template-columns:1fr 1fr}
      .section-head{align-items:start;flex-direction:column}
      .nav-links{
        position:fixed;
        left:20px;right:20px;top:84px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        border-radius:24px;
        padding:12px;
        background:rgba(12,16,30,.94);
        backdrop-filter:blur(18px);
      }
      .mobile-open .nav-links{display:flex}
      .nav-links a{border-radius:16px;padding:14px 16px}
      .menu-btn{display:block}
      .nav-cta .btn{display:none}
    }
    @media (max-width: 640px){
      .container{width:min(100% - 28px, var(--max))}
      .nav{height:68px}
      h1{letter-spacing:-2px}
      .hero-actions .btn{width:100%}
      .stage{min-height:470px}
      .player-card{inset:20px 0 20px 0;border-radius:28px;transform:none}
      .visual{height:220px;margin:16px;border-radius:22px}
      .player-top{height:56px;padding:0 16px}
      .player-info{grid-template-columns:1fr;padding:0 16px 16px}
      .float-panel{display:none}
      .cards,.features,.steps,.info-band{grid-template-columns:1fr}
      .section{padding:58px 0}
      .show-screen{min-height:390px;padding:18px}
      .screen-title{margin-top:100px}
      .cta{border-radius:28px;padding:46px 18px}
    }