@import url('/fonts/onest.css');
:root { --accent: #2563ff; --ink: #0b1a33; --mute: #6b7787; --line: #e6e9ef; --surface: #f3f5f8; }
* { box-sizing: border-box; margin: 0; }
body { font: 16px/1.65 "Onest", "Segoe UI", Arial, sans-serif; color: var(--ink); background: #fff; -webkit-font-smoothing: antialiased; }
a { color: var(--accent); }
nav { border-bottom: 1px solid var(--line); }
nav .wrap { display: flex; align-items: center; height: 68px; gap: 16px; }
.wrap { max-width: 860px; margin: 0 auto; padding: 0 20px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 18px; text-decoration: none; color: var(--ink); }
.brand .mark { width: 34px; height: 34px; border-radius: 10px; background: var(--accent); display: grid; place-items: center; }
.brand .mark svg { width: 20px; height: 20px; stroke: #fff; stroke-width: 2.4; fill: none; stroke-linejoin: round; }
nav .back { margin-left: auto; color: var(--mute); text-decoration: none; font-size: 15px; }
main { padding: 48px 0 72px; }
h1 { font-size: 36px; line-height: 1.15; font-weight: 800; letter-spacing: -.03em; margin-bottom: 8px; }
.meta { color: var(--mute); font-size: 15px; margin-bottom: 32px; }
.toc { background: var(--surface); border-radius: 18px; padding: 18px 22px; margin-bottom: 36px; columns: 2; column-gap: 28px; font-size: 15px; }
.toc a { display: block; text-decoration: none; padding: 3px 0; break-inside: avoid; }
h2 { font-size: 22px; font-weight: 700; letter-spacing: -.01em; margin: 36px 0 12px; scroll-margin-top: 16px; }
p, li { margin-bottom: 10px; }
ol, ul { padding-left: 22px; }
.n { color: var(--mute); font-weight: 600; margin-right: 4px; }
.box { background: var(--surface); border-radius: 18px; padding: 18px 22px; margin: 14px 0; }
table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 15px; }
td, th { border-bottom: 1px solid var(--line); padding: 10px 8px; text-align: left; vertical-align: top; }
th { color: var(--mute); font-weight: 600; width: 38%; }
footer { border-top: 1px solid var(--line); padding: 28px 0 40px; color: var(--mute); font-size: 14px; }
@media (max-width: 600px) { h1 { font-size: 28px; } .toc { columns: 1; } th { width: auto; } td, th { display: block; padding: 4px 0; border: 0; } tr { display: block; border-bottom: 1px solid var(--line); padding: 8px 0; } }