:root{--bg: #ffffff;--surface: #ffffff;--border: #ececec;--border-strong: #111111;--text: #111111;--muted: #6b6b6b;--muted-soft: #b3b3b3;--invert-bg: #111111;--invert-text: #ffffff;--page-max: 1180px;--page-pad: 32px;color-scheme:light dark}@media(prefers-color-scheme:dark){:root{--bg: #0b0b0b;--surface: #0b0b0b;--border: #1f1f1f;--border-strong: #ededed;--text: #ededed;--muted: #9a9a9a;--muted-soft: #555555;--invert-bg: #ededed;--invert-text: #0b0b0b}}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Roboto,Helvetica Neue,Arial,sans-serif;font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.hero{max-width:var(--page-max);margin:0 auto;padding:80px var(--page-pad) 24px}.hero .brand{display:inline-block;text-decoration:none;color:inherit}.hero h1{font-family:New York,Charter,"Source Serif Pro",Iowan Old Style,Songti SC,Georgia,serif;font-size:clamp(40px,5.4vw,60px);font-weight:700;letter-spacing:-.03em;margin:0 0 8px;color:var(--text);line-height:1}.hero .tagline{font-size:15px;color:var(--muted);margin:0 0 16px}.hero-bottom{display:flex;align-items:center;gap:18px;flex-wrap:wrap}.hero-actions{display:inline-flex;align-items:center;gap:10px;margin-left:auto}.hero .meta{font-size:11.5px;color:var(--muted);margin:0;display:flex;gap:10px;flex-wrap:wrap;text-transform:uppercase;letter-spacing:.1em}.hero .meta .dot-sep{color:var(--muted-soft)}.lang-switch{display:inline-flex;align-items:stretch;border:1px solid var(--border-strong);background:var(--surface)}.gh-link{display:inline-flex;align-items:center;justify-content:center;width:32px;height:28px;border:1px solid var(--border-strong);background:var(--surface);color:var(--text);text-decoration:none;transition:background .12s ease,color .12s ease}.gh-link:hover{background:var(--invert-bg);color:var(--invert-text)}.lang-switch button{appearance:none;background:transparent;border:0;border-right:1px solid var(--border-strong);padding:5px 11px;font-size:11.5px;font-weight:600;font-family:inherit;color:var(--muted);cursor:pointer;letter-spacing:.04em;line-height:1.4;transition:background .12s ease,color .12s ease}.lang-switch button:last-child{border-right:0}.lang-switch button:hover{color:var(--text)}.lang-switch button.is-active{background:var(--invert-bg);color:var(--invert-text)}html[data-lang=zh] .title-en,html[data-lang=zh] .summary-en,html[data-lang=en] .title-zh,html[data-lang=en] .summary-zh{display:none!important}html:not([data-lang]) .title-en,html:not([data-lang]) .summary-en{display:none}.source-strip{max-width:var(--page-max);margin:16px auto 0;padding:0 var(--page-pad);display:flex;flex-wrap:wrap;gap:6px}.s-chip{display:inline-flex;align-items:center;gap:6px;padding:5px 10px 5px 8px;font-size:12px;font-weight:500;line-height:1.45;color:var(--text);text-decoration:none;background:var(--surface);border:1px solid var(--border);transition:border-color .12s ease,background .12s ease,color .12s ease,opacity .12s ease;position:relative}.s-chip:hover{border-color:var(--text)}.s-chip-name{white-space:nowrap}.s-chip-err{opacity:.4;border-style:dashed}.s-chip-err:hover{opacity:1;border-style:solid;border-color:var(--text)}.s-chip-dot{width:6px;height:6px;border-radius:50%;background:var(--text);display:inline-block;margin-left:2px}.feed{max-width:var(--page-max);margin:0 auto;padding:12px var(--page-pad) 80px}.feed-banner{display:flex;align-items:baseline;gap:14px;margin:20px 0 8px;padding-bottom:14px;border-bottom:1px solid var(--border)}.feed-banner-title{font-family:New York,Charter,"Source Serif Pro",Iowan Old Style,Songti SC,Georgia,serif;font-size:18px;font-weight:600;letter-spacing:-.01em;color:var(--text)}.feed-banner-meta{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.12em;font-variant-numeric:tabular-nums}.feed-banner-back{margin-left:auto;font-size:11.5px;color:var(--muted);text-transform:uppercase;letter-spacing:.1em;text-decoration:none}.feed-banner-back:hover{color:var(--text);text-decoration:underline;text-underline-offset:3px}.empty{padding:40px 0;color:var(--muted);text-align:center}.day{margin-top:40px;padding-top:14px;border-top:1px solid var(--border-strong)}.day:first-of-type{margin-top:24px}.day-label{display:flex;align-items:baseline;gap:14px;margin:0 0 20px;font-weight:400}.day-label .day-primary{font-family:New York,Charter,"Source Serif Pro",Iowan Old Style,Songti SC,Georgia,serif;font-size:22px;font-weight:600;letter-spacing:-.01em;color:var(--text)}.day-label .day-secondary{font-size:11.5px;color:var(--muted);text-transform:uppercase;letter-spacing:.12em;font-variant-numeric:tabular-nums}.day-label .day-count{margin-left:auto;font-size:11.5px;color:var(--muted);text-transform:uppercase;letter-spacing:.12em;font-variant-numeric:tabular-nums}.day-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:30px 28px}.card{display:flex;flex-direction:column;min-width:0}.card .row{display:flex;align-items:center;gap:10px;margin-bottom:10px;min-width:0}.card .row time{margin-left:auto;font-size:10.5px;color:var(--muted);text-transform:uppercase;letter-spacing:.12em;font-weight:600;white-space:nowrap;flex:none}.brand{display:inline-flex;align-items:center;gap:7px;color:var(--text);min-width:0}.brand-name{font-size:12.5px;font-weight:600;letter-spacing:0;text-transform:none;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;line-height:1.2}.logo{display:inline-block;flex:none;color:var(--text)}.logo-img{border-radius:3px;object-fit:contain;display:block;background:transparent}.logo-fallback{display:inline-flex;align-items:center;justify-content:center;font-size:9px;font-weight:700;background:var(--text);color:var(--invert-text);border-radius:3px;line-height:1}.card .title{display:flex;flex-direction:column;gap:4px;color:var(--text);text-decoration:none;margin:0 0 10px}.card .title-zh{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Roboto,Helvetica Neue,Arial,sans-serif;font-size:16px;font-weight:600;line-height:1.4;color:var(--text);letter-spacing:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.card .title-en{font-family:New York,Charter,"Source Serif Pro",Iowan Old Style,Georgia,serif;font-size:13.5px;font-weight:500;line-height:1.35;color:var(--muted);letter-spacing:-.005em;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.card .title:hover .title-zh,.card .title:focus-visible .title-zh{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px}.card .title:focus-visible{outline:none}.summary-block{display:flex;flex-direction:column;gap:5px}.card .summary{margin:0;display:-webkit-box;-webkit-box-orient:vertical;overflow:hidden}.card .summary-zh{font-size:13px;line-height:1.55;color:var(--muted);-webkit-line-clamp:3}.card .summary-en{font-size:12px;line-height:1.5;color:var(--muted-soft);font-family:New York,Charter,Georgia,serif;-webkit-line-clamp:2}.card .title-mono{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Roboto,sans-serif;font-size:16px;font-weight:600;line-height:1.4;color:var(--text);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.card .summary-mono{font-size:13px;line-height:1.55;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.month-nav{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--border);border:1px solid var(--border);margin-top:48px}.month-nav-prev,.month-nav-next,.month-nav-placeholder{background:var(--surface);padding:18px 20px;text-decoration:none;color:var(--text);display:flex;flex-direction:column;gap:6px;min-height:70px}.month-nav-next{text-align:right;align-items:flex-end}.month-nav .dir{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.12em}.month-nav .ym{font-family:New York,Charter,"Source Serif Pro",Iowan Old Style,Songti SC,Georgia,serif;font-size:16px;font-weight:600}.month-nav-prev:hover,.month-nav-next:hover{background:color-mix(in srgb,var(--text) 4%,var(--surface))}.archive-nav{max-width:var(--page-max);margin:24px auto 0;padding:28px var(--page-pad) 0;border-top:1px solid var(--border)}.archive-head{display:flex;align-items:baseline;gap:12px;margin-bottom:18px}.archive-head .label{font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--text)}.archive-head .hint{font-size:11.5px;color:var(--muted);letter-spacing:.05em}.archive-years{display:flex;flex-direction:column;gap:14px}.archive-year{display:grid;grid-template-columns:60px 1fr;gap:18px;align-items:baseline}.archive-year-label{font-family:New York,Charter,"Source Serif Pro",Iowan Old Style,Songti SC,Georgia,serif;font-size:18px;font-weight:600;color:var(--text);font-variant-numeric:tabular-nums}.archive-month-list{display:flex;flex-wrap:wrap;gap:6px 4px}.archive-month{display:inline-flex;align-items:baseline;gap:5px;padding:5px 10px;font-size:12.5px;color:var(--text);text-decoration:none;border:1px solid var(--border);background:var(--surface);font-variant-numeric:tabular-nums;transition:border-color .12s ease,background .12s ease}.archive-month .n{color:var(--muted);font-size:11px}.archive-month:hover{border-color:var(--text)}.archive-month.is-active{background:var(--invert-bg);color:var(--invert-text);border-color:var(--invert-bg)}.archive-month.is-active .n{color:var(--invert-text);opacity:.7}.footer{max-width:var(--page-max);margin:0 auto;padding:28px var(--page-pad) 64px;font-size:11px;color:var(--muted);border-top:1px solid var(--border);text-transform:uppercase;letter-spacing:.1em}@media(max-width:900px){.day-grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:26px 22px}}@media(max-width:720px){:root{--page-pad: 18px}.hero{padding:48px var(--page-pad) 18px}.hero h1{font-size:38px;letter-spacing:-.02em}.hero .tagline{font-size:14px;margin-bottom:14px}.hero-bottom{gap:12px;align-items:center}.hero .meta{font-size:10.5px;gap:8px}.lang-switch button{padding:8px 16px;font-size:13px;min-width:52px}.source-strip{gap:5px;margin-top:12px}.s-chip{padding:6px 10px 6px 8px;font-size:12px}.feed-banner{gap:10px;flex-wrap:wrap;margin:18px 0 4px}.feed-banner-title{font-size:16px}.feed-banner-meta{font-size:10.5px}.day{margin-top:32px}.day:first-of-type{margin-top:18px}.day-label{flex-wrap:wrap;gap:10px;margin-bottom:16px}.day-label .day-primary{font-size:19px}.day-label .day-secondary,.day-label .day-count{font-size:10.5px}.day-grid{grid-template-columns:1fr;gap:22px}.card .row{gap:8px}.card .title-zh,.card .title-mono{font-size:17px;line-height:1.42;-webkit-line-clamp:4}.card .title-en{font-size:13px}.card .summary-zh,.card .summary-mono{font-size:13.5px;-webkit-line-clamp:3}.card .summary-en{font-size:12px}.archive-nav{padding-top:24px}.archive-year{grid-template-columns:1fr;gap:8px}.archive-year-label{font-size:15px}.archive-month{padding:8px 12px;font-size:13px}.month-nav{grid-template-columns:1fr;margin-top:36px}.month-nav-prev,.month-nav-next,.month-nav-placeholder{padding:16px 18px;min-height:56px}.month-nav-next{text-align:left;align-items:flex-start}.footer{padding-bottom:48px}}@media(max-width:380px){:root{--page-pad: 14px}.hero{padding-top:40px}.hero h1{font-size:32px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition:none!important;animation:none!important}}