:root{
  --bg:#131316; --bg-2:#16161a; --panel:#1b1b20; --line:#2b2b33; --text:#f4f5f7;
  --muted:#989ca6; --brand:#ff4d35; --brand-2:#ff6a52; --green:#3ddc97; --gold:#f0b350;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font:15px/1.75 -apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}
a{color:inherit;text-decoration:none}
.nav{max-width:1180px;margin:auto;height:74px;display:flex;align-items:center;gap:34px;padding:0 22px;border-bottom:1px solid var(--line)}
.brand{font-weight:800;letter-spacing:.8px;font-size:17px}
.brand span{color:var(--brand)}
.nav nav{display:flex;gap:24px;margin:auto;font-size:13.5px;color:#c3c6cd}
.nav nav a:hover{color:#fff}
.nav .actions{display:flex;gap:9px;align-items:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 20px;border-radius:26px;border:1px solid var(--line);background:transparent;color:var(--text);cursor:pointer;font-size:13.5px;transition:.18s}
.btn:hover{border-color:#46464f}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
.btn.primary:hover{background:var(--brand-2)}
.btn.sm{padding:8px 16px;font-size:13px}
.hero{max-width:1180px;margin:auto;padding:86px 22px 60px;display:grid;grid-template-columns:1.05fr .95fr;gap:30px;align-items:center}
.eyebrow{color:var(--brand);font-size:12px;letter-spacing:2px;font-weight:700;margin:0 0 12px}
.hero h1{font-size:53px;line-height:1.12;margin:0 0 18px;letter-spacing:-1px}
.hero h1 em{color:var(--brand);font-style:normal}
.lead{color:var(--muted);max-width:520px;margin:0 0 26px;font-size:15px}
.hero .actions{display:flex;gap:10px;margin-bottom:26px}
.trust{display:flex;gap:18px;flex-wrap:wrap;color:#b9bcc4;font-size:12.5px}
.trust span::before{content:"✓";color:var(--green);margin-right:6px}
.visual{position:relative;height:400px}
.orb{position:absolute;inset:80px 100px;border-radius:50%;display:grid;place-items:center;text-align:center;
  background:radial-gradient(circle at 34% 28%,#ff8a76,#e8402a 46%,#5c130c);box-shadow:0 0 90px rgba(255,77,53,.28);z-index:2}
.orb b{font-size:32px;font-weight:800;letter-spacing:-1px}
.orb small{display:block;font-size:11px;letter-spacing:3px;opacity:.85}
.ring{position:absolute;border:1px solid #35353d;border-radius:50%;inset:38px 58px}
.ring.r2{inset:8px 24px;border-color:#2a2a31}
.chip{position:absolute;background:rgba(27,27,32,.94);border:1px solid #36363f;border-radius:12px;padding:11px 15px;font-size:12.5px;z-index:3;box-shadow:0 12px 30px rgba(0,0,0,.35)}
.chip b{display:block;font-size:13.5px;margin-top:2px}
.chip small{color:var(--muted);font-size:11px}
.c1{top:26px;left:0}
.c2{right:-4px;top:132px}
.c3{left:16px;bottom:16px}
.stats{max-width:1180px;margin:0 auto 10px;display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:16px;overflow:hidden}
.stats div{padding:22px 24px;border-right:1px solid var(--line)}
.stats div:last-child{border:0}
.stats b{display:block;font-size:22px;letter-spacing:-.4px}
.stats span{color:var(--muted);font-size:12px}
.section{max-width:1180px;margin:auto;padding:64px 22px}
.section h2{font-size:33px;margin:0 0 10px;letter-spacing:-.6px}
.section .sub{color:var(--muted);margin:0 0 30px;max-width:640px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:15px;padding:22px}
.card i{font-style:normal;color:var(--brand);font-size:12px;letter-spacing:1px;font-weight:700}
.card h3{margin:10px 0 8px;font-size:16px}
.card p{margin:0;color:var(--muted);font-size:13.5px}
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}
.plan{background:linear-gradient(180deg,#1e1e24,#18181d);border:1px solid var(--line);border-radius:16px;padding:22px;position:relative;transition:.2s}
.plan:hover{border-color:#4a3230;transform:translateY(-2px)}
.plan .rate{font-size:34px;font-weight:800;color:var(--brand);letter-spacing:-1px}
.plan .rate small{font-size:13px;color:var(--muted);font-weight:500;letter-spacing:0}
.plan h3{margin:6px 0 10px;font-size:15px}
.plan ul{margin:0 0 18px;padding-left:17px;color:var(--muted);font-size:13px;line-height:2}
.plan .btn{width:100%}
.flow{max-width:1180px;margin:auto;padding:24px 22px 64px}
.flow ol{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;list-style:none;padding:0;margin:26px 0 0}
.flow li{border:1px solid var(--line);border-radius:14px;padding:18px}
.flow li b{color:var(--brand);font-size:12px;letter-spacing:1px}
.flow li span{display:block;margin-top:6px;font-size:14px}
.flow li small{display:block;color:var(--muted);font-size:12.5px;margin-top:4px;line-height:1.7}
.notices{display:flex;flex-direction:column;gap:10px}
.notice{border:1px solid var(--line);border-radius:12px;padding:15px 18px;background:var(--panel);transition:.15s;cursor:pointer}
.notice:hover{border-color:#403a3a}
.notice h4{margin:0 0 4px;font-size:14.5px;display:flex;align-items:center;gap:8px}
.notice p{margin:0;color:var(--muted);font-size:13px;line-height:1.7}
.notice time{color:#6f737c;font-size:11.5px}
.dot{width:6px;height:6px;border-radius:50%;background:var(--brand);flex:0 0 6px}
.faq{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.faq details{border:1px solid var(--line);border-radius:12px;padding:15px 18px;background:var(--panel)}
.faq summary{cursor:pointer;font-size:14px;font-weight:600}
.faq p{margin:10px 0 0;color:var(--muted);font-size:13px;line-height:1.8}
.banner{max-width:1180px;margin:20px auto 0;padding:0 22px}
.banner div{border:1px solid #4a2a24;background:linear-gradient(90deg,rgba(255,77,53,.14),rgba(255,77,53,.02));border-radius:12px;padding:12px 16px;font-size:13px;color:#ffb3a6}
footer{border-top:1px solid var(--line);margin-top:40px}
.foot{max-width:1180px;margin:auto;padding:30px 22px;display:flex;justify-content:space-between;gap:16px;color:var(--muted);font-size:12.5px;flex-wrap:wrap}
.foot a{color:#c3c6cd}
@media(max-width:900px){
  .hero{grid-template-columns:1fr;padding-top:52px}
  .hero h1{font-size:37px}
  .visual{display:none}
  .nav nav{display:none}
  .stats{grid-template-columns:1fr 1fr}
  .stats div:nth-child(2){border-right:0}
  .cards,.faq,.plan{grid-template-columns:1fr}
  .flow ol{grid-template-columns:1fr 1fr}
  .section{padding:44px 18px}
  .section h2{font-size:26px}
}