:root{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC",sans-serif;font-size:16px;color:#273338;background:#fff;letter-spacing:0;color-scheme:light;--ink:#273338;--muted:#879092;--teal:#2a756b;--coral:#b46b56;--line:#e7ebeb;--soft:#f3f6f5;--serif:"Noto Serif SC","Source Han Serif SC","Songti SC",SimSun,serif}
*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit;letter-spacing:0}button,a{-webkit-tap-highlight-color:transparent;touch-action:manipulation}button{cursor:pointer;border:0;background:none;color:inherit}button:disabled{opacity:.5;cursor:wait}a{color:inherit;text-decoration:none}h1,h2,h3,p,blockquote,figure{margin:0}h1,h2,h3,p,blockquote{overflow-wrap:anywhere}svg{width:18px;height:18px;stroke-width:1.6;flex-shrink:0}p{line-height:1.9}[hidden]{display:none!important}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:2px solid var(--teal);outline-offset:4px}.skip{position:fixed;top:-100px;left:16px;background:var(--teal);color:#fff;z-index:70;padding:12px}.skip:focus{top:12px}
.topbar{position:sticky;top:0;z-index:30;background:#fff;border-bottom:1px solid var(--line)}.top-inner{max-width:1100px;min-height:78px;padding:0 36px;margin:auto;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;font-family:var(--serif);font-size:27px;font-weight:600}.brand-mark{display:block;width:35px;height:35px;border-radius:8px}.brand-caption{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;font-size:11px;font-weight:400;color:var(--muted);margin-left:16px}.navigation{display:flex;gap:32px;align-self:stretch;margin-left:auto}.navigation a{position:relative;display:flex;gap:7px;align-items:center;font-size:13px;color:var(--muted);min-width:48px;justify-content:center}.navigation a.active{color:var(--ink)}.navigation a.active:after{content:"";position:absolute;height:2px;bottom:-1px;left:0;right:0;background:var(--teal)}.navigation b{font-size:10px;font-weight:400}.header-actions{display:flex;gap:3px}.icon-button{width:38px;height:40px;display:inline-grid;place-items:center;flex-shrink:0;color:#7a8586;border-radius:4px}.icon-button:hover{background:var(--soft);color:var(--teal)}.icon-button[aria-pressed=true]{color:var(--teal)}.icon-button[aria-pressed=true] svg{fill:#e0eeea}
main{max-width:1100px;margin:auto;padding:47px 36px 48px;min-height:75vh;outline:none}.edition-heading{border-bottom:1px solid var(--line);padding-bottom:28px;margin-bottom:38px}.eyebrow{font-size:11px;color:var(--muted);margin-bottom:16px;font-variant-numeric:tabular-nums}.edition-title-row{display:flex;justify-content:space-between;align-items:baseline;gap:16px}.edition-heading h1{font-family:var(--serif);font-size:32px;line-height:1.4;font-weight:600}.edition-date{font-size:11px;color:var(--muted);text-align:right;line-height:1.8}.edition-summary{display:flex;flex-wrap:wrap;align-items:center;gap:20px;font-size:12px;line-height:1.8;color:var(--muted);margin-top:16px}.edition-summary span+span:before{content:"·";margin-right:20px;color:#c3cbca}.layout{display:grid;grid-template-columns:minmax(0,700px) minmax(190px,230px);gap:64px;align-items:start}.reading-column{min-width:0}
.knowledge{border:0;border-bottom:1px solid var(--line);padding:0 0 29px;margin:0 0 35px;scroll-margin-top:106px;min-width:0}.article-meta{display:flex;align-items:center;gap:9px;font-size:10px;line-height:1.8;color:#9aa3a3;min-height:20px;margin-bottom:12px;flex-wrap:wrap}.article-meta .domain{color:var(--teal)}.article-meta .number{margin-left:auto;font-variant-numeric:tabular-nums;flex-shrink:0}.article-title-row{display:flex;align-items:start;gap:12px;margin-bottom:16px}.article-title-row h2{font-family:var(--serif);font-size:25px;font-weight:600;line-height:1.6;flex:1;min-width:0}.article-title-row .icon-button{width:30px;height:38px;margin-top:1px}.article-title-row .icon-button svg{width:16px;height:16px}.preprint{font-size:11px;color:#a1783f;margin:0 0 10px}.fact{font-size:16px;line-height:2;color:#505c60}.fact strong{font-weight:600;color:#273c3c}.quote{font-family:var(--serif);font-size:20px;font-weight:500;color:#334e4b;border-left:2px solid #a9c4bc;padding:5px 0 5px 19px;line-height:1.9;margin:25px 0 0}.fun-note{font-size:12px;line-height:1.95;color:#87908d;margin-top:18px;display:flex;align-items:start;gap:8px}.fun-note svg{width:14px;height:14px;margin-top:5px;color:#a3aca7}.article-controls{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:20px}.feedback-controls{display:flex;gap:4px}.feedback-button{width:74px;height:40px;display:flex;gap:7px;align-items:center;justify-content:center;color:#98a1a0;border-radius:4px}.feedback-button svg{width:17px;height:17px}.feedback-button:hover{background:var(--soft);color:var(--teal)}.feedback-button[aria-pressed=true]{color:var(--teal);background:#f0f6f3}.feedback-button[data-feedback=less][aria-pressed=true]{color:var(--coral);background:#faf1ed}.feedback-label{font-size:11px}
.source-details{font-size:10px;color:var(--muted)}.source-details summary{display:flex;align-items:center;gap:5px;min-height:40px;list-style:none;cursor:pointer}.source-details summary::-webkit-details-marker{display:none}.source-details summary svg{width:13px;height:13px}.source-details[open] summary{color:var(--teal)}.source-body{margin-top:14px;padding-top:14px;border-top:1px solid var(--line);font-size:11px;color:var(--muted);line-height:1.9;overflow-wrap:anywhere}.source-entry+.source-entry{margin-top:12px}.source-link{color:var(--teal);display:inline-flex;align-items:center;gap:5px;text-decoration:underline;text-underline-offset:4px}.source-link svg{width:12px;height:12px}
.media-gallery{display:grid;gap:16px;margin-top:24px;min-width:0}.media-gallery[data-count="2"],.media-gallery[data-count="3"]{grid-template-columns:repeat(2,minmax(0,1fr))}.media-gallery[data-count="3"] .article-figure:first-child{grid-column:1/-1}.article-figure{min-width:0}.media-open{position:relative;display:block;width:100%;padding:0;border-radius:4px;overflow:hidden;cursor:zoom-in;background:#f4f6f5}.media-open img{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:contain;background:#f4f6f5}.media-zoom{position:absolute;right:9px;bottom:9px;display:grid;place-items:center;width:27px;height:27px;color:#fff;background:#243b3e80;border-radius:4px;opacity:0;transition:opacity .15s}.media-zoom svg{width:14px;height:14px}.media-open:hover .media-zoom,.media-open:focus-visible .media-zoom{opacity:1}.article-figure figcaption{display:flex;align-items:start;justify-content:space-between;gap:12px;margin-top:9px;font-size:10px;line-height:1.8;color:#9ba3a1}.article-figure figcaption span{min-width:0}.article-figure figcaption a{display:inline-flex;gap:2px;align-items:center;flex-shrink:0;font-size:9px}.article-figure figcaption a svg{width:10px;height:10px}.media-failed img,.media-failed .media-zoom{visibility:hidden}.media-failed:after{content:"图片暂时无法载入";position:absolute;inset:0;display:grid;place-items:center;color:var(--muted);font-size:12px}
.sidebar{position:sticky;top:110px;min-width:0;font-size:11px;max-height:calc(100vh - 145px);overflow:auto;scrollbar-width:thin;scrollbar-color:#e1e7e4 transparent}.aside-section:not(:last-child){display:none}.aside-heading{display:flex;align-items:center;gap:9px;font-size:11px;font-weight:500;color:#7c8986;padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:12px}.aside-heading svg{width:14px;height:14px}.directory{list-style:none;padding:0;margin:0}.directory a{display:grid;grid-template-columns:20px minmax(0,1fr);gap:10px;align-items:start;padding:9px 0;color:#8d9795;line-height:1.8}.directory .index{font-size:9px;font-variant-numeric:tabular-nums;padding-top:2px;color:#a8b0ad}.directory .leaf{display:block;font-size:9px;color:#a1aaa6}.directory .mini-title{display:block;font-size:11px;color:#596b65;overflow-wrap:anywhere}.directory a:hover .mini-title{color:var(--teal)}
.batch-marker{display:flex;align-items:center;gap:14px;color:var(--teal);font-size:11px;margin:40px 0}.batch-marker:after{content:"";height:1px;flex:1;background:var(--line)}.reading-end{display:flex;align-items:center;justify-content:center;gap:15px;font-family:var(--serif);font-size:13px;color:#a5aeaa;margin:30px 0}.reading-end:before,.reading-end:after{content:"";width:32px;height:1px;background:var(--line)}.more-section{display:flex;align-items:center;flex-direction:column;gap:12px;margin-top:25px;min-height:95px}.more-button{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:48px;min-width:182px;padding:12px 24px;font-size:13px;color:#fff;background:#285b52;border-radius:4px}.more-button:hover{background:#1c4942}.more-button svg{width:16px;height:16px}.more-note{max-width:440px;font-size:11px;color:var(--muted);line-height:1.9;text-align:center}
.status{max-width:1028px;margin:18px auto 0;padding:10px 16px;font-size:12px;line-height:1.8;color:#747e79;background:#f4f6f3;border-left:2px solid #b4c6b8}.status.error{color:#a06550;border-color:#c69177;background:#faf5ef}.empty{display:flex;flex-direction:column;gap:13px;align-items:center;justify-content:center;padding:70px 15px;min-height:240px;text-align:center;color:var(--muted);font-size:13px}.empty svg{width:29px;height:29px;stroke-width:1.3}.empty p{font-size:12px;max-width:360px}.initial-state{text-align:center;color:var(--muted);padding:70px 0;font-size:13px}.site-footer{max-width:1028px;margin:0 auto;padding:24px 0 32px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:10px;color:#9ea8a4;line-height:1.8}.footer-motto{margin-left:15px}.toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);max-width:calc(100vw - 32px);z-index:90;background:#273d39;color:#fff;border-radius:5px;padding:11px 20px;font-size:12px;line-height:1.8;text-align:center}.subheading{font-size:12px;color:var(--muted);margin-top:15px}
.archive-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:12px;color:var(--muted);margin:24px 0}.archive-toolbar input{padding:9px 12px;border:1px solid var(--line);border-radius:4px;background:#fff;max-width:190px;color:#62736b;font-size:12px}.archive-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:40px}.archive-row{padding:25px 0;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:20px}.archive-row>svg{width:15px;height:15px;color:#a1ada6}.archive-date{min-width:47px;flex-shrink:0}.archive-date b{display:block;font-family:var(--serif);font-size:30px;line-height:1.3;font-weight:400;color:#396b5d;font-variant-numeric:tabular-nums}.archive-date span{font-size:10px;color:var(--muted)}.archive-info{flex:1;min-width:0}.archive-info h2{font-family:var(--serif);font-size:17px;line-height:1.8;font-weight:500;margin-bottom:6px}.archive-info p{font-size:10px;color:var(--muted)}.collection-grid{max-width:700px}.toolbar{display:flex;gap:12px;align-items:center;margin:24px 0 32px}.search{display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:4px;padding:0 12px;height:44px;flex:1;min-width:0}.search svg{width:15px;height:15px;color:var(--muted)}.search input{border:0;background:none;outline:none;min-width:0;width:100%;font-size:13px}.toolbar select{max-width:40%;height:44px;border:1px solid var(--line);border-radius:4px;padding:0 9px;background:#fff;color:var(--muted);font-size:12px}
dialog{border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);padding:25px;max-width:calc(100vw - 32px);width:390px;box-shadow:0 16px 100px #17362c26;max-height:calc(100vh - 32px);overflow:auto}dialog:not([open]){display:none}dialog::backdrop{background:#18342e66;backdrop-filter:blur(5px)}.modal-open{overflow:hidden}.dialog-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:24px}.dialog-head h2{font-family:var(--serif);font-size:20px;font-weight:500}.setting-row{display:flex;align-items:center;justify-content:space-between;gap:15px;font-size:14px;margin-bottom:12px}.setting-row input{appearance:none;-webkit-appearance:none;position:relative;width:38px;height:22px;border-radius:15px;background:#dfe6e1;cursor:pointer;margin:0}.setting-row input:before{content:"";position:absolute;top:3px;left:3px;width:16px;height:16px;border-radius:50%;background:#fff}.setting-row input:checked{background:var(--teal)}.setting-row input:checked:before{left:19px}.setting-row input:disabled{opacity:.5;cursor:default}.setting-note{font-size:12px;line-height:1.9;color:var(--muted);margin:0 0 20px;overflow-wrap:anywhere}.install-command{display:flex;align-items:center;gap:10px;padding:10px 0;color:var(--teal);font-size:13px}.install-command svg{width:16px;height:16px}.image-dialog{width:1040px;max-width:calc(100vw - 28px);max-height:calc(100vh - 28px);max-height:calc(100dvh - 28px);padding:14px 20px 22px;overscroll-behavior:contain}.image-dialog::backdrop{background:#14252fdd;backdrop-filter:blur(8px)}.image-dialog-bar{display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:12px;margin-bottom:8px}.image-stage{display:grid;grid-template-columns:36px minmax(0,1fr) 36px;align-items:center;gap:10px;min-height:120px}.image-stage>img{width:100%;min-width:0;max-height:calc(100vh - 200px);max-height:calc(100dvh - 200px);object-fit:contain;grid-column:2;grid-row:1}.image-prev{grid-column:1;grid-row:1}.image-next{grid-column:3;grid-row:1}#image-caption{font-size:13px;margin:14px 46px 0;line-height:1.8}#image-credit{display:block;margin:7px 46px 0;font-size:10px;line-height:1.9;color:var(--muted);overflow-wrap:anywhere;text-decoration:underline;text-underline-offset:3px}.pairing-form{display:flex;gap:10px;max-width:400px;margin:auto}.pairing-form input{min-width:0;flex:1;border:1px solid var(--line);border-radius:4px;padding:10px}.pairing-form button{background:var(--teal);color:#fff;padding:10px;border-radius:4px}
@supports not (selector(dialog:modal)){dialog[open]{position:fixed;z-index:80;top:50%;left:50%;margin:0;transform:translate(-50%,-50%);box-shadow:0 0 0 100vmax #132a2abf}}
@media(max-width:1000px){.layout{grid-template-columns:minmax(0,1fr) 190px;gap:36px}.brand-caption{display:none}.top-inner{padding:0 28px}main{padding:36px 28px}.site-footer{margin:0 28px}.status{margin-left:28px;margin-right:28px}.article-title-row h2{font-size:23px}.navigation{gap:24px}}
@media(max-width:720px){.top-inner{min-height:65px;padding:0 20px;gap:10px}.brand{font-size:25px;gap:9px}.brand-mark{width:31px;height:31px;border-radius:7px}.header-actions{margin-left:auto;gap:0}.header-actions .icon-button{width:37px;height:44px}.header-actions svg{width:17px;height:17px}.navigation{position:fixed;bottom:0;left:0;right:0;z-index:40;height:64px;height:calc(64px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);border-top:1px solid var(--line);background:#fff;justify-content:space-around;gap:0}.navigation a{flex:1;flex-direction:column;gap:5px;font-size:10px}.navigation a svg{width:20px;height:20px}.navigation a.active{color:var(--teal)}.navigation a.active:after{display:none}.navigation b{position:absolute;top:8px;margin-left:36px;font-size:9px}main{padding:30px 23px 30px}.edition-heading{padding:0 0 25px;margin-bottom:32px}.eyebrow{font-size:10px;margin-bottom:13px}.edition-heading h1{font-size:28px}.edition-date{font-size:10px}.edition-summary{font-size:11px;gap:15px;margin-top:14px}.edition-summary span+span:before{margin-right:15px}.layout{display:block}.sidebar{display:none}.knowledge{padding:0 0 25px;margin:0 0 30px;scroll-margin-top:90px}.article-meta{font-size:9px;gap:7px;margin-bottom:11px}.article-title-row{gap:8px;margin-bottom:15px}.article-title-row h2{font-size:23px;line-height:1.65}.article-title-row .icon-button{width:27px;height:38px}.fact{font-size:16px;line-height:2}.quote{font-size:19px;line-height:1.9;padding-left:16px;margin-top:23px}.fun-note{font-size:12px;line-height:1.95;margin-top:17px;gap:8px}.article-controls{margin-top:16px}.feedback-button{height:44px}.source-details summary{min-height:44px}.media-gallery{margin-top:22px;gap:17px}.media-gallery[data-count="2"],.media-gallery[data-count="3"]{grid-template-columns:minmax(0,1fr)}.media-zoom{opacity:1;width:25px;height:25px}.article-figure figcaption{font-size:10px;line-height:1.8;margin-top:9px}.site-footer{margin:0 23px;display:block;padding:22px 0 99px;padding-bottom:calc(99px + env(safe-area-inset-bottom));font-size:10px}.site-footer>span{display:block}.site-footer>span+span{margin-top:8px}.footer-motto{margin-left:12px}.toast{bottom:82px;bottom:calc(82px + env(safe-area-inset-bottom));font-size:12px}.status{margin:14px 23px 0;font-size:11px;padding:9px 12px}.archive-list{grid-template-columns:1fr}.archive-row{padding:22px 0;gap:18px}.archive-info h2{font-size:16px}.archive-toolbar{font-size:11px}.archive-toolbar input{max-width:164px;font-size:12px}.toolbar{gap:8px}.toolbar select{font-size:11px}.search{padding:0 10px}.batch-marker{margin:35px 0}.image-dialog{max-width:calc(100vw - 16px);padding:10px 10px 18px}.image-stage{grid-template-columns:28px minmax(0,1fr) 28px;gap:2px}.image-stage .icon-button{width:28px}.image-stage>img{max-height:calc(100vh - 210px);max-height:calc(100dvh - 210px)}#image-caption,#image-credit{margin-left:5px;margin-right:5px}#image-caption{font-size:12px}.more-button{min-height:48px}.more-note{max-width:300px}}
@media(max-width:360px){.top-inner{padding:0 16px}.header-actions .icon-button{width:33px}.brand{font-size:24px}.brand-mark{width:29px;height:29px}main{padding-left:19px;padding-right:19px}.article-title-row h2{font-size:21px}.edition-heading h1{font-size:27px}.edition-date{font-size:9px}.article-meta{font-size:8px}.quote{font-size:18px}.site-footer{margin:0 19px}}
.article-title-row h2{text-wrap:balance}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
@media print{.topbar,.sidebar,.article-controls,.more-section,.toast,.site-footer{display:none!important}main{max-width:100%;padding:0}.layout{display:block}.knowledge{break-inside:avoid}.quote{font-size:17px}.article-figure img{max-height:220px}.media-zoom{display:none}}