:root{--bg:#0a0a1a;--bg2:#0f0f2a;--card:rgba(255,255,255,.04);--border:rgba(255,255,255,.08);--accent:#7c5cfc;--text:#e8e8f0;--muted:#9090b0;--grad:linear-gradient(135deg,#7c5cfc,#5b8dee)}
*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:'Segoe UI',system-ui,sans-serif;line-height:1.7}
nav{position:fixed;top:0;left:0;right:0;z-index:200;background:rgba(10,10,26,.9);backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 5%;display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-size:1.3rem;font-weight:800;background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;text-decoration:none}
.nav-cta{background:var(--grad);color:#fff;border:none;padding:9px 22px;border-radius:8px;cursor:pointer;font-size:.9rem;font-weight:700;text-decoration:none}
.nav-cta:hover{opacity:.85}
.nav-links{display:flex;gap:24px;list-style:none}
.nav-links a{color:var(--muted);text-decoration:none;font-size:.9rem;transition:color .2s}
.nav-links a:hover{color:#fff}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:4px}
.burger span{display:block;width:24px;height:2px;background:var(--text);border-radius:2px}
section{padding:100px 5%}
.container{max-width:1200px;margin:0 auto}
.section-title{font-size:2rem;font-weight:800;text-align:center;margin-bottom:14px}
.section-sub{text-align:center;color:var(--muted);max-width:620px;margin:0 auto 52px}
.btn-primary{display:inline-block;background:var(--grad);color:#fff;padding:14px 32px;border-radius:10px;text-decoration:none;font-weight:700;font-size:1rem;transition:opacity .2s,transform .15s}
.btn-primary:hover{opacity:.88;transform:translateY(-1px)}
footer{background:var(--bg);border-top:1px solid var(--border);padding:32px 5%}
.footer-inner{max-width:1200px;margin:0 auto}
.footer-links{display:flex;flex-wrap:wrap;gap:8px 20px;margin-bottom:14px}
.footer-links a{color:var(--muted);text-decoration:none;font-size:.8rem;transition:color .2s}
.footer-links a:hover{color:#a78bfa}
.footer-copy{color:var(--muted);font-size:.8rem}
.doc-page{padding:100px 5% 60px;max-width:880px;margin:0 auto}
.doc-page h1{font-size:1.9rem;font-weight:800;margin-bottom:8px;background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.doc-page .meta{color:var(--muted);font-size:.85rem;border-bottom:1px solid var(--border);padding-bottom:18px;margin-bottom:36px}
.doc-page h2{color:#a78bfa;font-size:1.1rem;font-weight:700;margin:30px 0 10px}
.doc-page h3{font-size:1rem;font-weight:700;margin:18px 0 6px}
.doc-page p,.doc-page li{color:var(--muted);font-size:.95rem;margin-bottom:10px}
.doc-page ul,.doc-page ol{padding-left:20px;margin-bottom:12px}
.doc-page li{margin-bottom:5px}
.doc-page strong{color:var(--text)}
.doc-page table{width:100%;border-collapse:collapse;margin:16px 0;font-size:.9rem}
.doc-page th{background:rgba(124,92,252,.12);color:#a78bfa;padding:10px 14px;text-align:left;border:1px solid var(--border)}
.doc-page td{padding:10px 14px;border:1px solid var(--border);color:var(--muted);vertical-align:top}
.doc-page td:first-child{color:var(--text);font-weight:500;width:42%}
.notice{background:rgba(124,92,252,.08);border:1px solid rgba(124,92,252,.2);border-radius:10px;padding:16px 20px;margin:20px 0}
.notice p{color:#c4b5fd;margin:0;font-size:.9rem}
.back-link{display:inline-flex;align-items:center;gap:6px;color:var(--muted);text-decoration:none;font-size:.88rem;margin-bottom:28px;transition:color .2s}
.back-link:hover{color:#fff}
@media(max-width:820px){
  .nav-links{display:none;flex-direction:column;position:absolute;top:64px;left:0;right:0;background:rgba(10,10,26,.98);padding:20px 5%;gap:14px;border-bottom:1px solid var(--border)}
  .nav-links.open{display:flex}
  .nav-cta-desktop{display:none}
  .burger{display:flex}
}