@charset "utf-8";.post-md{--md-accent-shallow:color-mix(in srgb, var(--accent) 38%, #fff);--md-accent-faint:color-mix(in srgb, var(--accent) 14%, #fff);--md-accent-deep:color-mix(in srgb, var(--accent) 82%, #000);--md-mono:'SF Mono','Fira Code','Cascadia Code',Menlo,Consolas,monospace}.post-md{width:100%;font-size:16.8px;letter-spacing:.005em;line-height:1.8}.post-md h1{font-size:1.9rem;font-weight:700;line-height:1.3;margin:56px 0 24px;text-align:center;color:var(--font-color-1);letter-spacing:-.02em;position:relative;padding-bottom:14px}.post-md h1::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:48px;height:3.5px;border-radius:3px;background:linear-gradient(to right,var(--md-accent-shallow),var(--accent),var(--md-accent-shallow));transition:width .4s var(--ease-soft)}.post-md h1:hover::after{width:80%}.post-md h2{font-size:1.4rem;font-weight:700;line-height:1.35;margin:48px 0 16px;padding:5px 14px;width:fit-content;color:#fff;border-radius:var(--radius-s);background:linear-gradient(to right,var(--md-accent-shallow),var(--accent),var(--md-accent-shallow));background-size:200% 100%;box-shadow:0 2px 6px color-mix(in srgb,var(--accent) 18%,transparent);letter-spacing:0;transition:background-position .6s var(--ease-soft),box-shadow .3s}.post-md h2:hover{background-position:100% 0;box-shadow:0 4px 12px color-mix(in srgb,var(--accent) 25%,transparent)}.post-md h3{font-size:1.3rem;font-weight:600;line-height:1.35;margin:40px 0 12px;padding-left:14px;position:relative;color:var(--font-color-1);letter-spacing:-.01em;transition:padding-left .3s var(--ease-soft),color .3s}.post-md h3::before{content:'';position:absolute;left:0;top:20%;height:60%;width:4px;border-radius:3px;background:var(--accent);transition:width .3s var(--ease-soft)}.post-md h3:hover{padding-left:18px;color:var(--accent)}.post-md h3:hover::before{width:6px}.post-md h4{font-size:1.15rem;font-weight:600;line-height:1.4;margin:32px 0 10px;padding-left:20px;position:relative;color:var(--font-color-1);letter-spacing:-.01em;transition:color .25s,transform .25s}.post-md h4::before{content:'';position:absolute;left:2px;top:50%;transform:translateY(-50%);width:8px;height:8px;border-radius:50%;background:var(--accent);transition:transform .25s var(--ease-spring),box-shadow .25s}.post-md h4:hover{color:var(--md-accent-deep)}.post-md h4:hover::before{transform:translateY(-50%) scale(1.25);box-shadow:0 0 0 3px var(--md-accent-faint)}.post-md h5{font-size:1.05rem;font-weight:600;line-height:1.4;margin:24px 0 6px;padding-left:20px;position:relative;color:var(--font-color-1);letter-spacing:-.01em}.post-md h5::before{content:'';position:absolute;left:3px;top:50%;transform:translateY(-50%);width:7px;height:7px;border-radius:50%;border:2px solid var(--accent);background:var(--bg-paper)}.post-md h6{font-size:1rem;font-weight:500;line-height:1.4;margin:20px 0 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var(--ease-soft),transform .3s var(--ease-soft)}.post-md img:hover{box-shadow:var(--shadow-md);transform:scale(1.015)}.post-md hr{border:none;height:1px;background:linear-gradient(90deg,transparent,var(--line-1) 20%,var(--line-1) 80%,transparent);max-width:60%;margin:40px auto}.post-md blockquote{width:100%;margin:24px 0;padding:18px 24px;background:var(--bg-zebra);border:none;border-left:3px solid var(--md-accent-shallow);border-radius:var(--radius-m);color:var(--font-color-2);line-height:1.7;word-wrap:break-word;transition:transform .25s var(--ease-soft)}.post-md blockquote:hover{transform:scale(1.008)}.post-md blockquote p{margin:8px 0}.post-md blockquote p:first-child{margin-top:0}.post-md blockquote p:last-child{margin-bottom:0}.post-md table{width:100%;text-align:left;border-collapse:separate;border-spacing:0;border:1px solid var(--border-warm);border-radius:var(--radius-m);overflow:hidden;font-size:.94em;line-height:1.6}.post-md table th{padding:10px 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code:hover{background:var(--md-accent-shallow);color:#fff}.post-md pre code{background:0 0;padding:0;margin:0;color:inherit;font-size:inherit;letter-spacing:normal;border-radius:0}.post-md pre code:hover{background:0 0;color:inherit}.post-md .hljs-ln-numbers{opacity:.5;padding-right:12px}.post-md pre{border-radius:var(--radius-s);overflow:hidden;margin:20px 0;box-shadow:var(--shadow-sm)}.post-md .footnote-ref{display:inline-flex;align-items:center;justify-content:center;width:1.5em;height:1.5em;font-size:.7em;vertical-align:super;background:var(--md-accent-faint);border-radius:50%;color:var(--accent);font-weight:600;text-decoration:none;line-height:1;transition:background .2s,color .2s}.post-md .footnote-ref sup{vertical-align:baseline;font-size:inherit}.post-md .footnote-ref:hover{background:var(--accent);color:#fff}.post-md .footnotes{margin-top:48px;padding-top:24px;border-top:1px dashed var(--line-1);position:relative;font-size:.88em;color:var(--font-color-2)}.post-md .footnotes::before{content:'注释';position:absolute;top:-.7em;left:0;padding:0 8px;background:var(--bg-paper);font-size:.82em;font-weight:500;color:var(--font-color-3);letter-spacing:.1em}.post-md .footnotes>hr{display:none}.post-md .footnotes ol{padding-left:20px;margin:0}.post-md .footnotes li{margin:4px 0}.post-md .footnote-back{display:none}.post-md .task-list{list-style:none;padding-left:4px}.post-md .task-list li{position:relative;padding-left:28px}.post-md .task-list input[type=checkbox]{-webkit-appearance:none;appearance:none;position:absolute;left:0;top:5px;width:18px;height:18px;border:2px solid var(--border-warm);border-radius:var(--radius-xs);background:var(--bg-paper);cursor:pointer;transition:background .2s,border-color .2s}.post-md .task-list input[type=checkbox]:checked{background:var(--accent);border-color:var(--accent)}.post-md .task-list input[type=checkbox]:checked::after{content:'';display:block;width:5px;height:9px;border:solid #fff;border-width:0 2px 2px 0;position:absolute;top:1px;left:4px;transform:rotate(45deg)}.post-md .gfm-alert{border-left:3px solid;border-radius:var(--radius-s);padding:14px 20px;margin:20px 0}.post-md .gfm-alert-title{font-weight:600;font-size:.92em;margin:0 0 6px;display:flex;align-items:center;gap:6px;text-transform:uppercase;letter-spacing:.04em}.post-md .gfm-alert-title svg{width:16px;height:16px;flex-shrink:0}.post-md .gfm-alert-note{border-color:#0969da;background:rgba(9,105,218,.06)}.post-md .gfm-alert-note .gfm-alert-title{color:#0969da}.post-md .gfm-alert-tip{border-color:#1a7f37;background:rgba(26,127,55,.06)}.post-md .gfm-alert-tip .gfm-alert-title{color:#1a7f37}.post-md .gfm-alert-important{border-color:#8250df;background:rgba(130,80,223,.06)}.post-md .gfm-alert-important .gfm-alert-title{color:#8250df}.post-md .gfm-alert-warning{border-color:#9a6700;background:rgba(154,103,0,.06)}.post-md .gfm-alert-warning .gfm-alert-title{color:#9a6700}.post-md .gfm-alert-caution{border-color:#cf222e;background:rgba(207,34,46,.06)}.post-md .gfm-alert-caution .gfm-alert-title{color:#cf222e}figure.highlight{position:relative;overflow:hidden}.code-header{display:flex;justify-content:space-between;align-items:center;margin:-16px -20px 10px;padding:6px 14px;background:#21252b;border-bottom:1px solid rgba(255,255,255,.06);user-select:none}.code-lang{color:#636d83;font-family:var(--md-mono);font-size:12px;letter-spacing:.03em}.code-copy-btn{display:inline-flex;align-items:center;padding:3px 8px;border:none;border-radius:4px;background:rgba(255,255,255,.06);color:#636d83;cursor:pointer;transition:color .2s,background .2s;font-size:12px;line-height:1}.code-copy-btn:hover{color:#abb2bf;background:rgba(255,255,255,.12)}.code-copy-btn.copied{color:#98c379}