:root{--bg:#0a0e27;--gold:#ffd166;--gold2:#ffb703;--text:#eef1ff;--muted:#9aa3c7;--card:rgba(255,255,255,.05);--line:rgba(255,255,255,.12)}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;background:radial-gradient(1200px 800px at 70% -10%,#1c2756 0%,var(--bg) 55%);color:var(--text);line-height:1.7;overflow-x:hidden}
a{color:inherit;text-decoration:none}
.wrap{max-width:820px;margin:0 auto;padding:0 24px}
.stars{position:fixed;inset:0;z-index:-1;opacity:.6;background-image:radial-gradient(1.5px 1.5px at 20% 30%,#fff 50%,transparent),radial-gradient(1.5px 1.5px at 80% 20%,#fff 50%,transparent),radial-gradient(1px 1px at 50% 60%,#fff 50%,transparent),radial-gradient(2px 2px at 90% 70%,var(--gold) 50%,transparent),radial-gradient(1px 1px at 10% 70%,#fff 50%,transparent);animation:tw 6s ease-in-out infinite alternate}
@keyframes tw{from{opacity:.35}to{opacity:.75}}
nav{position:sticky;top:0;z-index:10;backdrop-filter:blur(12px);background:rgba(10,14,39,.6);border-bottom:1px solid var(--line)}
nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700}
.logo .dot{width:14px;height:14px;border-radius:50%;background:radial-gradient(circle at 30% 30%,var(--gold),var(--gold2));box-shadow:0 0 16px var(--gold2)}
.lang a{color:var(--muted);font-size:14px;padding:6px 10px;border:1px solid var(--line);border-radius:999px;margin-left:6px;transition:.2s}
.lang a:hover{color:var(--gold);border-color:var(--gold)}
header.page{padding:64px 0 24px;text-align:center}
header.page h1{font-size:clamp(30px,5vw,44px);font-weight:800;background:linear-gradient(180deg,#fff,var(--gold));-webkit-background-clip:text;background-clip:text;color:transparent}
header.page .meta{color:var(--muted);font-size:14px;margin-top:10px}
.doc{padding:24px 0 72px}
.doc section{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:28px;margin-bottom:20px}
.doc h2{font-size:20px;margin-bottom:12px;color:var(--gold)}
.doc p,.doc li{color:var(--text);font-size:15px}
.doc ul{padding-left:22px;margin-top:8px}
.doc li{margin-bottom:6px}
.doc .muted{color:var(--muted)}
.doc a.link{color:var(--gold);border-bottom:1px dashed var(--gold)}
.faq .q{font-weight:700;color:var(--text);margin-top:16px}
.faq .q:first-of-type{margin-top:0}
.faq .a{color:var(--muted);margin-top:6px;font-size:15px}
footer{border-top:1px solid var(--line);padding:28px 0;color:var(--muted);font-size:14px;text-align:center}
footer a{color:var(--gold)}
.contact-card{text-align:center;background:var(--card);border:1px solid var(--line);border-radius:18px;padding:32px}
.contact-card .btn{display:inline-block;padding:12px 24px;border-radius:12px;font-weight:600;background:linear-gradient(135deg,var(--gold),var(--gold2));color:#1a1300;margin-top:14px}
@media(max-width:600px){header.page{padding:44px 0 16px}.doc section{padding:20px}}