:root{color-scheme:dark;--bg:#111017;--surface:#1a1724;--surface-2:#221d30;--line:rgba(191,162,255,.22);--text:#f7f4ff;--muted:#b7b0c4;--accent:#a984ff}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 86% -10%,#34284e 0,transparent 34%),var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.7}.container{width:min(920px,calc(100% - 40px));margin:auto}.nav{position:sticky;top:0;z-index:4;background:rgba(17,16,23,.86);backdrop-filter:blur(18px);border-bottom:1px solid rgba(255,255,255,.06)}.nav-inner{min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:18px}.brand{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:750;text-decoration:none}.brand img{width:30px;height:30px;border-radius:8px}.links{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.links a{color:var(--muted);text-decoration:none;font-size:14px}.links a:hover,.links a[aria-current="page"]{color:var(--text)}.hero{padding:76px 0 44px;border-bottom:1px solid var(--line)}.eyebrow{margin:0 0 12px;color:#c8b3ff;font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}.hero h1{max-width:680px;margin:0;font-size:clamp(36px,6vw,58px);line-height:1.12;letter-spacing:-.04em}.hero p{max-width:700px;margin:18px 0 0;color:var(--muted);font-size:17px}.document{padding:48px 0 72px}.document-card{padding:clamp(24px,5vw,52px);background:rgba(26,23,36,.88);border:1px solid var(--line);border-radius:24px;box-shadow:0 26px 70px rgba(0,0,0,.24)}.document h2{margin:42px 0 12px;font-size:24px;line-height:1.3}.document h2:first-child{margin-top:0}.document h3{margin:24px 0 8px;font-size:18px}.document p{margin:10px 0;color:#e6e1ee}.document ul,.document ol{margin:10px 0;padding-left:24px;color:#e6e1ee}.document li+li{margin-top:7px}.meta{display:flex;flex-wrap:wrap;gap:10px 18px;color:var(--muted);font-size:14px}.footer{padding:30px 0 42px;border-top:1px solid rgba(255,255,255,.07);color:var(--muted);font-size:14px}.footer-inner{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}.footer a{color:var(--muted);text-decoration:none;margin-left:18px}.footer a:hover{color:var(--text)}[data-lang]{display:none}[data-lang].active{display:block}@media(max-width:640px){.container{width:min(100% - 28px,920px)}.links{gap:12px}.links a:nth-child(2),.links a:nth-child(3){display:none}.hero{padding-top:54px}.document{padding-top:28px}.document-card{border-radius:18px;padding:24px 20px}}