:root{--bg:#F5F9FD;--card:#fff;--fg:#0E2240;--muted:#51657F;--line:#D5E4F3;--brand:#0B2D5B;--accent:#0EA5FF}
@media (prefers-color-scheme:dark){:root{--bg:#0B1220;--card:#111B2E;--fg:#E6EEF8;--muted:#9FB2CC;--line:#243650;--brand:#7DD3FC;--accent:#38BDF8}}
*{box-sizing:border-box}
body{margin:0;font:16px/1.65 Inter,system-ui,-apple-system,Segoe UI,sans-serif;background:var(--bg);color:var(--fg)}
header{border-bottom:1px solid var(--line);background:var(--bg)}
header .in,main,footer .in{max-width:760px;margin:0 auto;padding-inline:16px}
header .in{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding-block:14px;flex-wrap:wrap}
header a.logo{font:800 1.15rem Montserrat,system-ui,sans-serif;color:var(--brand);text-decoration:none}
header a.logo i{font-style:normal;font-weight:600;font-size:.7rem;letter-spacing:.18em;color:var(--accent);margin-left:.4rem}
header nav a{color:var(--muted);text-decoration:none;margin-left:1rem;font-size:.92rem}
header nav a:hover{color:var(--accent)}
main{padding-block:36px 56px}
h1{font:800 2rem/1.2 Montserrat,system-ui,sans-serif;margin:0 0 .3rem;color:var(--brand)}
.meta{color:var(--muted);font-size:.9rem;margin:0 0 1.6rem}
.doc{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:24px 22px}
.doc p{margin:.8rem 0}.doc ul{margin:.6rem 0 .8rem 1.2rem;padding:0}.doc li{margin:.35rem 0}
.doc a{color:var(--accent)}
blockquote{margin:.8rem 0;padding:.6rem 1rem;border-left:3px solid var(--accent);background:rgba(14,165,255,.08);border-radius:0 8px 8px 0}
.others{margin-top:1.4rem;color:var(--muted);font-size:.92rem}.others a{color:var(--accent);margin-right:.9rem}
footer{border-top:1px solid var(--line);color:var(--muted);font-size:.82rem;padding-block:22px}
@media (max-width:520px){h1{font-size:1.6rem}.doc{padding:18px 14px}header nav a{margin:0 .8rem 0 0}}