:root{--color-ink: #0b1320;--color-accent: #009ea0;--color-border: #e2e6ec;--color-muted: #5b6472;color-scheme:light}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:Segoe UI,system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;color:var(--color-ink);background:#f5f6f8}a{color:var(--color-accent)}.shell{min-height:100vh;display:flex;flex-direction:column}.siteMain{flex:1;padding:40px 24px 64px}.docArticle{max-width:760px;margin:0 auto;background:#fff;border:1px solid var(--color-border);border-radius:12px;padding:40px 48px}.docHeader{border-bottom:1px solid var(--color-border);padding-bottom:20px;margin-bottom:24px}.docHeader h1{font-size:1.6rem;line-height:1.3;margin:0 0 8px}.docSubtitle{margin:0 0 4px;color:var(--color-muted);font-weight:600}.docMeta{margin:12px 0 0;color:var(--color-muted);font-size:.9rem;line-height:1.6}.docBody{font-size:.98rem;line-height:1.7}.docBody h2{font-size:1.15rem;margin:32px 0 12px;padding-top:8px;border-top:1px solid var(--color-border)}.docBody p{margin:0 0 14px}.docBody ul{margin:0 0 14px;padding-left:22px}.docBody li{margin-bottom:6px}.siteFooter{text-align:center;color:var(--color-muted);font-size:.82rem;padding:20px 24px 32px}.siteFooter p{margin:4px 0}@media(max-width:640px){.docArticle{padding:28px 20px}}