:root{
  --bg:#0a0f1a; --bg2:#0d1524; --card:#111a2c; --line:rgba(130,161,204,.17);
  --text:#e8eef7; --muted:#a6b7ce; --accent:#2dd4a7; --accent2:#38bdf8;
  --radius:18px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;color-scheme:dark}
body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;line-height:1.75;font-size:18px;min-height:100vh;display:flex;flex-direction:column}
::selection{background:var(--accent);color:#06251b}
a{color:var(--accent2);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:2px solid var(--accent2);outline-offset:5px}
.wrap{width:100%;max-width:1120px;margin:0 auto;padding:0 28px}
main.wrap{flex:1}
h1,h2,h3{line-height:1.25;text-wrap:balance}
header.site{position:sticky;top:0;background:rgba(10,15,26,.94);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);box-shadow:0 6px 28px rgba(0,0,0,.18);z-index:10}
.nav{display:flex;align-items:center;flex-wrap:wrap;gap:20px;padding-top:18px;padding-bottom:18px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:19px;letter-spacing:-.35px;color:var(--text);white-space:nowrap}
.brand:hover{text-decoration:none}
.brand svg{flex:none;display:block}
.nav .links{margin-left:auto;display:flex;flex-wrap:wrap;gap:20px;align-items:center}
.nav .links a{color:var(--muted);font-size:15px;transition:color .2s}
.nav .links a:hover{color:var(--text);text-decoration:none}
.lang-switch{display:inline-flex;align-items:center;padding:3px;border:1px solid var(--line);border-radius:999px;background:var(--bg2);gap:2px}
.nav .lang-switch a{padding:4px 10px;font-size:12px;line-height:1.6;border-radius:999px;white-space:nowrap}
.nav .lang-switch a[aria-current="true"]{background:rgba(45,212,167,.16);color:var(--accent);box-shadow:inset 0 0 0 1px rgba(45,212,167,.2)}
.btn{display:inline-block;background:var(--accent);color:#06251b;font-weight:700;padding:12px 24px;border-radius:11px;font-size:16px;box-shadow:0 5px 18px rgba(45,212,167,.13);transition:transform .2s,box-shadow .2s,filter .2s}
.btn:hover{text-decoration:none;filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 8px 24px rgba(45,212,167,.22)}
.btn.small{padding:8px 16px;font-size:14px}
.nav .links .btn{color:#06251b}
.hero{position:relative;isolation:isolate;padding:88px 0 48px;text-align:left}
.hero::before{content:"";position:absolute;inset:0 -28px;z-index:-1;pointer-events:none;background:radial-gradient(ellipse at 16% 12%,rgba(45,212,167,.1),transparent 55%),radial-gradient(ellipse at 90% 30%,rgba(56,189,248,.075),transparent 55%),linear-gradient(180deg,rgba(13,21,36,.4),transparent 80%)}
.badge{display:inline-flex;padding:5px 13px;border:1px solid rgba(45,212,167,.28);border-radius:999px;background:rgba(45,212,167,.07);color:var(--accent);font-size:13px;font-weight:600;letter-spacing:.4px;margin-bottom:24px}
.hero h1{font-size:50px;line-height:1.16;letter-spacing:-1.5px;max-width:1000px}
.hero h1 .grad{background:linear-gradient(100deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lede{margin-top:24px;font-size:21px;color:var(--muted);max-width:760px}
.hero .cta{margin-top:32px}
section{padding:48px 0}
h2.sec{font-size:30px;margin-bottom:20px;letter-spacing:-.6px}
p.body{color:var(--muted);max-width:780px}
.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-top:28px}
.card{background:linear-gradient(145deg,var(--card),var(--bg2));border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:0 10px 28px rgba(0,0,0,.14);transition:transform .2s,border-color .2s,box-shadow .2s}
.card:hover{transform:translateY(-4px);border-color:rgba(45,212,167,.42);box-shadow:0 16px 34px rgba(0,0,0,.22)}
.card h3{font-size:20px;margin-bottom:12px;color:var(--text);letter-spacing:-.25px}
.card p{color:var(--muted);font-size:16px}
.mock{background:var(--bg2);border:1px solid var(--line);border-radius:var(--radius);padding:26px;margin-top:48px;box-shadow:0 20px 60px rgba(0,0,0,.24);min-width:0}
.mock .mock-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;color:var(--muted);font-size:13px;letter-spacing:.6px;margin-bottom:18px}
.mock .live{display:inline-flex;align-items:center;gap:8px;color:var(--accent);font-weight:700;white-space:nowrap}
.live-dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(45,212,167,.1);animation:pulse 2.4s ease-in-out infinite}
@keyframes pulse{50%{opacity:.5;box-shadow:0 0 0 7px rgba(45,212,167,.03)}}
.table-scroll{overflow-x:auto;border-radius:8px}
.mock table{width:100%;min-width:540px;border-collapse:collapse;font-size:15px;font-variant-numeric:tabular-nums}
.mock th,.mock td{text-align:left;padding:14px 12px;border-bottom:1px solid var(--line);white-space:nowrap}
.mock th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.7px}
.mock tr:hover td{background:rgba(56,189,248,.045)}
.up{color:var(--accent)} .warn{color:#fbbf24}
.mock .cap{margin-top:18px;color:var(--muted);font-size:13px}
ol.steps,ul.plain{margin:20px 0 0 24px;color:var(--muted);max-width:850px;padding-left:4px}
ol.steps li,ul.plain li{margin-bottom:18px;padding-left:6px}
ol.steps li::marker{color:var(--accent)}
ol.steps b,ul.plain b{color:var(--text)}
.status{background:linear-gradient(135deg,#0d211d,#0d1524);border:1px solid rgba(45,212,167,.2);border-radius:var(--radius);padding:36px;box-shadow:0 12px 32px rgba(0,0,0,.15)}
.contact-box{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:42px;text-align:center;box-shadow:0 12px 32px rgba(0,0,0,.15)}
.contact-box .mail{font-size:25px;font-weight:700;overflow-wrap:anywhere}
footer.site{border-top:1px solid var(--line);background:linear-gradient(180deg,var(--bg2),var(--bg));margin-top:64px;padding:40px 0 48px;color:var(--muted);font-size:14px}
footer.site .disc{max-width:850px;line-height:1.85}
footer.site .fine{margin-top:22px;font-size:13px;overflow-wrap:anywhere}
.page-head{padding:72px 0 12px}
.page-head h1{font-size:44px;letter-spacing:-1px}
.page-head p{color:var(--muted);margin-top:20px;max-width:780px;font-size:20px}
:lang(zh-CN) h1,:lang(zh-CN) h2,:lang(zh-CN) h3{letter-spacing:0;line-height:1.4}
@media(max-width:860px){
  .nav{gap:16px}.nav .links{width:100%;margin-left:0;gap:18px}
  .hero{padding-top:64px}.hero h1{font-size:43px}.hero p.lede{font-size:20px}
  section{padding:40px 0}.grid{gap:20px}.card{padding:26px}
}
@media(max-width:640px){
  .wrap{padding-left:20px;padding-right:20px}.nav{padding-top:14px;padding-bottom:14px;gap:12px}
  .nav .links{gap:10px 14px}.nav .links a{font-size:14px}.nav .links .btn.small{padding:7px 12px;font-size:13px}
  .nav .lang-switch a{font-size:12px;padding:4px 9px}
  .hero{padding:48px 0 28px}.hero::before{inset:0 -20px}.hero h1{font-size:34px;letter-spacing:-.8px}
  .hero p.lede{font-size:18px}.badge{margin-bottom:20px}
  section{padding:32px 0}h2.sec{font-size:25px}.grid{grid-template-columns:1fr;gap:20px}
  .mock{padding:18px;margin-top:36px}.mock .mock-head{font-size:12px}.mock th,.mock td{padding:13px 12px}
  .status,.contact-box{padding:26px}.contact-box .mail{font-size:20px}
  .page-head{padding-top:44px}.page-head h1{font-size:34px}.page-head p{font-size:18px}
  footer.site{margin-top:40px;padding:32px 0 38px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}.card:hover,.btn:hover{transform:none}}