*{box-sizing:border-box}
body{margin:0;font-family:Arial,"Microsoft YaHei",sans-serif;background:#0f1115;color:#f7f7f7;line-height:1.7}
a{color:inherit;text-decoration:none}
.container{max-width:1120px;margin:0 auto;padding:0 24px}
.nav{position:sticky;top:0;z-index:10;background:rgba(15,17,21,.92);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.08)}
.nav-inner{display:flex;justify-content:space-between;align-items:center;height:72px}
.logo{font-weight:800;font-size:22px;letter-spacing:.5px}
.logo span{color:#72f0bd}
.nav a{margin-left:22px;color:#d7d7d7;font-size:15px}
.nav a:hover{color:#72f0bd}
.hero{padding:92px 0 72px;background:radial-gradient(circle at top right,rgba(114,240,189,.16),transparent 36%),linear-gradient(180deg,#141821 0%,#0f1115 100%)}
.badge{display:inline-block;color:#72f0bd;background:rgba(114,240,189,.1);border:1px solid rgba(114,240,189,.28);padding:6px 12px;border-radius:999px;font-size:14px;margin-bottom:18px}
h1{font-size:52px;line-height:1.15;margin:0 0 22px}
h2{font-size:34px;margin:0 0 20px}
h3{font-size:22px;margin:0 0 12px}
p{color:#d5d5d5;font-size:18px;margin:0 0 18px}
.hero p{font-size:21px;max-width:780px}
.btns{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
.btn{display:inline-block;padding:13px 20px;border-radius:12px;font-weight:700}
.btn-primary{background:#72f0bd;color:#0f1115}
.btn-secondary{border:1px solid rgba(255,255,255,.2);color:#f7f7f7}
.section{padding:72px 0;border-top:1px solid rgba(255,255,255,.08)}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.card{background:#171a22;border:1px solid rgba(255,255,255,.09);border-radius:18px;padding:24px}
.card p{font-size:16px}
.muted{color:#aeb3bd;font-size:16px}
.path{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-top:24px}
.step{background:#161a22;border:1px solid rgba(255,255,255,.08);border-radius:16px;padding:18px;text-align:center;color:#d9d9d9}
.footer{padding:36px 0;border-top:1px solid rgba(255,255,255,.08);color:#9da3ae;font-size:14px}
.footer a{color:#9da3ae;margin-right:16px}
.form input,.form select,.form textarea{width:100%;padding:12px 14px;border-radius:10px;border:1px solid rgba(255,255,255,.14);background:#10131a;color:#fff;margin:6px 0 16px;font-size:16px}
.form label{display:block;color:#f2f2f2;font-weight:700}
.result{background:#111b17;border:1px solid rgba(114,240,189,.3);border-radius:16px;padding:20px;margin-top:20px;display:none}
.notice{background:#1b1711;border:1px solid rgba(214,180,106,.32);border-radius:16px;padding:18px;color:#e9d8aa}
.table{width:100%;border-collapse:collapse;margin-top:16px}
.table th,.table td{border:1px solid rgba(255,255,255,.1);padding:12px;text-align:left;color:#ddd}
.table th{background:#171a22;color:#fff}
@media(max-width:800px){
  h1{font-size:38px}
  h2{font-size:28px}
  .grid,.grid2,.path{grid-template-columns:1fr}
  .nav-inner{height:auto;padding:16px 0;align-items:flex-start;gap:12px;flex-direction:column}
  .nav a{margin:0 14px 8px 0;display:inline-block}
}