:root{--color-primary:#6f3815;--color-primary-hover:#572b0e;--color-primary-light:#995229;--color-primary-dark:#3b1d0b;--color-primary-tint:#fbf5ef;--color-primary-border:#ebd9cb;--color-accent:#c67804;--color-accent-hover:#9c5c00;--color-accent-light:#fef3c7;--color-accent-tint:#fef9ec;--color-terracotta:#a64d26;--color-terracotta-hover:#8f461c;--color-terracotta-tint:#fdf6f2;--color-terracotta-border:#f2d4c7;--color-map-visited:#a85c2c;--color-map-visited-hover:#8f461c;--color-map-unvisited:#ebe4d8;--color-map-unvisited-hover:#ded4c5;--color-map-ocean:#f3eee6;--color-compass:#2c6673;--color-compass-light:#44808e;--color-compass-tint:#edf5f7;--color-bg-body:#faf9f7;--color-bg-surface:#ffffff;--color-bg-subtle:#f5f2eb;--color-bg-muted:#ebe5dc;--color-border-subtle:#efebe4;--color-border-default:#e4ddd2;--color-border-strong:#c8bfae;--color-text-primary:#181513;--color-text-secondary:#47403a;--color-text-muted:#7d736a;--color-text-inverse:#ffffff;--color-code-bg:#f4efe6;--color-code-text:#6f3815;--color-code-border:#e6ddce;--color-pre-bg:#25211e;--color-pre-text:#f7f4ef;--shadow-sm:0 1px 3px rgba(43,38,34,0.05);--shadow-md:0 4px 14px rgba(43,38,34,0.06);--shadow-lg:0 10px 24px rgba(59,29,11,0.08)}*{margin:0;padding:0;box-sizing:border-box}@viewport{zoom:1;width:extend-to-zoom}html{scroll-behavior:smooth}body,html{background-color:var(--color-bg-body)}body{min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Noto Sans SC,Source Han Sans SC,WenQuanYi Micro Hei,sans-serif;font-weight:400;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body,p{color:var(--color-text-primary)}p{margin:1.25rem 0}ol,p,ul{line-height:1.8}ol,ul{margin:1rem 1.5rem}li>p{margin:0}strong{font-weight:700;color:var(--color-text-primary)}a{color:var(--color-primary);text-decoration:none;transition:color .15s ease}a:hover{color:var(--color-primary-light)}code{background-color:var(--color-code-bg);color:var(--color-code-text);font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation 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16px;text-align:left;letter-spacing:.02em;font-size:.9rem}tr:nth-child(odd){background-color:var(--color-bg-surface)}tr:nth-child(2n){background-color:var(--color-bg-subtle)}td{padding:12px 16px;text-align:left;font-size:.9rem;line-height:1.5;border-bottom:1px solid var(--color-border-subtle)}#main{font-size:18px;line-height:1.8;overflow-wrap:break-word}#main h1{font-size:1.85rem;font-weight:800;line-height:1.35;color:var(--color-text-primary);border-bottom:2px solid var(--color-border-default);padding-bottom:12px;margin:1.5rem 0 1.25rem;letter-spacing:-.5px}#main h2{font-size:1.4rem;font-weight:700;line-height:1.35;margin:2.25rem 0 1rem;border-bottom:1px solid var(--color-border-subtle);padding-bottom:8px;color:var(--color-primary)}#main h3{font-size:1.2rem;line-height:1.4;font-weight:700;margin:1.75rem 0 .75rem;color:var(--color-primary-light)}#main h4{font-size:1.05rem;font-weight:600;margin:1.25rem 0 .5rem;color:var(--color-text-secondary)}#main img{display:block;margin:1.5rem auto;max-width:90%;border-radius:8px;box-shadow:var(--shadow-sm)}.add{background-color:#e8f5e9;color:#2e7d32;border:1px solid #c8e6c9;border-radius:3px;font-weight:600}.add,.del{padding:1px 5px;margin:0 2px}.del{background-color:#fbe9e7;color:#c62828;border:1px solid #ffccbc;border-radius:3px;text-decoration:line-through}.blue{background-color:var(--color-compass-tint);color:var(--color-compass);border:1px solid #bce1e8;border-radius:3px}.blue,.yellow{padding:1px 5px;margin:0 2px;font-weight:600}.yellow{background-color:var(--color-accent-light);color:var(--color-accent-hover);border:1px solid #fde68a;border-radius:3px}.purple{background-color:#f3e8ff;color:#6b21a8;border:1px solid #e9d5ff;border-radius:3px;padding:1px 5px;margin:0 2px;font-weight:600}.eg{color:var(--color-text-secondary);border:1px solid var(--color-border-subtle);border-radius:4px;padding:2px 6px;margin:0 2px;font-size:.9em}.eg,.eg-ruby{background-color:var(--color-bg-subtle)}.eg-ruby{border:1px solid 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