:root{--brand-primary:#bc2635;--brand-hover:#991c2a;--brand-deep:#781e2c;--brand-dark:#351c23;--brand-soft:#f9edef;--brand-tint:#f4e1e5;--brand-line:#dfb6bf;--brand-muted:#a86573;--brand-light:#edc9d1;--brand-ink:#6d3542;--text-main:#30292b;--text-secondary:#60565a;--text-muted:#7b7073;--text-faint:#83757a;--surface-soft:#faf7f7;--surface-warm:#fdfafa;--border-default:#e9dfe1;--border-strong:#dac7cc;--focus-ring:#d75465}*{box-sizing:border-box}html{scroll-behavior:smooth}body{color:var(--text-main);background:#fff;margin:0;font-family:Microsoft YaHei,PingFang SC,sans-serif;font-size:15px;line-height:1.75}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}img{max-width:100%;height:auto}h1,h2,h3,p{margin-top:0}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid var(--brand-primary);outline-offset:4px}::selection{background:var(--brand-light);color:var(--brand-deep)}.prose{overflow-wrap:anywhere;font-size:16px;line-height:1.95}.prose h2{margin-top:2em}.prose a{color:var(--brand-primary);text-decoration:underline}.prose img{max-width:100%;height:auto;margin:24px auto;display:block}.prose table{border-collapse:collapse;max-width:100%;display:block;overflow-x:auto}.prose td,.prose th{border:1px solid var(--border-default);padding:12px}.prose blockquote{border-left:3px solid var(--brand-primary);background:var(--surface-soft);margin:24px 0;padding:12px 24px}input,textarea,select{min-width:0;accent-color:var(--brand-primary)}main{min-height:60vh}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}.prose pre{white-space:pre-wrap;overflow-wrap:anywhere;background:var(--surface-soft);border:1px solid var(--border-default);border-radius:6px;padding:18px}