:root{--bg:#f4f5f1;--white:#fff;--ink:#213933;--muted:#657570;--accent:#176b75;--line:#dce3de;--soft:#e7eeea;--serif:Georgia,"Songti SC","SimSun",serif;--sans:-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.8 var(--sans)}body:has(dialog[open]){overflow:hidden}a{color:inherit;text-decoration:none}button,select{font:inherit;color:inherit}button,a,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default}button,a,select{touch-action:manipulation}button{background:none;border:0}a:hover,button:hover{color:var(--accent)}:focus-visible{outline:2px solid var(--accent);outline-offset:4px}h1:focus{outline:none}h1,h2,h3,p{margin:0}h1,h2,h3{text-wrap:pretty}h1{font-size:25px;line-height:1.5}h2{font-size:22px;line-height:1.5}h3{font-size:16px;line-height:1.6}.prototype-note{text-align:center;font-size:11px;background:#e7ece6;color:#53665f;padding:5px 14px}.topbar{background:#fafbf8;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}.top-inner{max-width:1190px;margin:auto;padding:0 30px;display:flex;align-items:center;gap:45px;height:76px}.brand{font:700 28px/1.2 Georgia,serif;letter-spacing:-1px}.brand span{color:var(--accent)}nav{display:flex;gap:30px;align-items:stretch;height:100%;font-size:14px}nav a{display:flex;align-items:center;gap:7px;border-bottom:2px solid transparent}nav a.current{border-color:var(--accent);color:var(--accent);font-weight:600}#save-count:not(:empty){font:12px/1.2 var(--sans);background:var(--soft);padding:2px 6px;border-radius:4px}.directory-button{margin-left:auto;font-size:13px;min-height:44px}.page{max-width:1190px;margin:0 auto;padding:30px}.intro{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:25px}.intro p{color:var(--muted);font-size:13px;margin-top:5px}.quiet{font-size:12px;color:var(--muted)}.layout{display:grid;grid-template-columns:minmax(0,1fr) 235px;gap:30px;align-items:start}.toolbar{display:flex;justify-content:space-between;align-items:center;gap:15px;border-bottom:1px solid var(--line);padding-bottom:15px;margin-bottom:22px}.filters{display:flex;gap:7px;flex-wrap:wrap}.filter{min-height:38px;padding:6px 14px;border-radius:5px;font-size:13px;color:var(--muted)}.filter.active{background:var(--ink);color:#fff}.sort{padding:5px 0;border:0;background:transparent;font-size:12px;color:var(--muted);max-width:126px;height:38px}.waterfall{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;grid-auto-rows:8px;align-items:start}.card{background:var(--white);border:1px solid var(--line);border-radius:8px;overflow:hidden}.card-inner{padding:23px}.card-head{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:11px;color:var(--muted);margin-bottom:16px}.kind{font-weight:600;letter-spacing:.6px;color:var(--accent)}.card-title{display:block;padding:0;text-align:left;font-size:22px;line-height:1.55;letter-spacing:-.3px;font-weight:650;width:100%}.card-summary{margin-top:14px;font-size:14px;line-height:1.9;color:#4c6058}.source-byline{display:flex;gap:10px;align-items:center;margin-top:18px;font-size:12px;color:var(--muted)}.initial{width:28px;height:28px;flex:0 0 auto;display:grid;place-items:center;background:#eef2ef;color:#46655a;font:12px/1 Georgia,serif;border-radius:50%}.reader-note{color:var(--muted);font-size:11px;margin-top:11px}.pull{background:#edf2e9;margin:0;padding:24px 23px}.pull .small-label{font-size:10px;color:#587264;letter-spacing:1.5px}.pull p{font:28px/1.5 var(--serif);margin-top:9px}.process{display:flex;gap:8px;align-items:center;flex-wrap:wrap;padding:15px;margin-top:18px;background:#f1f3ed;font-size:12px;color:#506450}.process span{background:#fff;padding:5px 9px}.debate{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:17px}.debate div{padding:12px;background:#f5f5f0}.debate small{font-size:10px;color:var(--muted)}.debate p{font-size:14px;margin-top:3px}.topic-bridge{display:flex;gap:9px;align-items:flex-start;background:#f8faf8;border-top:1px solid #edf0ec;padding:13px 20px;font-size:11px;color:var(--muted)}.topic-bridge span{white-space:nowrap;padding-top:1px}.topic-bridge a{color:var(--accent);font-size:12px;line-height:1.7;flex:1}.card-actions{display:flex;justify-content:space-between;align-items:center;padding:0 16px;min-height:45px;border-top:1px solid #edf0ec;font-size:12px}.card-actions button{min-height:44px;padding:4px 6px}.card-actions .saved{color:var(--accent);font-weight:600}.read-marker{color:#81938a;font-size:11px}.end{padding:30px 0;text-align:center;font-size:12px;color:var(--muted)}.end a{display:block;color:var(--accent);margin-top:7px}.sidebar{position:sticky;top:101px}.side-block{padding:20px 0;border-top:1px solid var(--line)}.side-block:first-child{border-top:0;padding-top:1px}.side-eyebrow{color:var(--muted);font-size:11px;letter-spacing:1px}.side-block h2{font-size:15px;margin:8px 0 12px}.side-topic{padding:15px 0;border-bottom:1px solid var(--line)}.side-topic a{font-size:13px;line-height:1.7;display:block}.follow{font-size:11px;border:1px solid #cbd8d0;border-radius:4px;min-height:34px;padding:3px 10px;margin-top:10px;color:var(--accent)}.follow[aria-pressed=true]{background:var(--soft)}.side-block p{font-size:12px;color:var(--muted);line-height:1.9}.side-block .text-link{color:var(--accent);display:block;font-size:12px;margin-top:14px}.empty-state{padding:38px 25px;background:#fff;border:1px solid var(--line);border-radius:8px}.empty-state h2{font-size:20px}.empty-state p{margin:12px 0;color:var(--muted);font-size:14px}.primary{background:var(--accent);color:#fff;padding:10px 18px;min-height:44px;border-radius:4px;font-size:13px}.primary:hover{color:#fff;background:#155c65}dialog{padding:0;border:0;color:var(--ink);background:var(--white);box-shadow:0 16px 90px #142b3122}dialog::backdrop{background:#18332d52;backdrop-filter:blur(2px)}#reader{margin:0 0 0 auto;width:min(650px,100vw);max-width:100vw;height:100dvh;max-height:100dvh}#directory{width:min(800px,calc(100vw - 32px));max-height:90dvh;border-radius:8px}.dialog-bar{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:16px 30px;border-bottom:1px solid var(--line);background:#fafbf8;position:sticky;top:0;z-index:1}.dialog-bar span{font-size:12px;color:var(--muted)}.close{min-height:44px;min-width:44px;font-size:24px;line-height:1}.reader-body{padding:28px 36px 44px}.reader-body h1{font-size:30px;line-height:1.55;margin:12px 0 20px}.reader-body .lead{font-size:16px;line-height:1.9;color:#4d6259}.reader-section{padding-top:27px;margin-top:27px;border-top:1px solid var(--line)}.reader-section h2{font-size:17px;margin-bottom:12px}.reader-section p{font-size:14px;color:#52675e;line-height:1.95}.reader-source{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-top:22px}.text-link{color:var(--accent)}.related-row{display:block;padding:14px 0;border-bottom:1px solid var(--line)}.related-row small{display:block;font-size:11px;color:var(--muted)}.related-row strong{font-size:14px;font-weight:500}.question-path{background:#e9f0eb;padding:22px;margin-top:30px}.question-path .label{font-size:11px;color:var(--muted)}.question-path a{display:block;font-size:19px;font-weight:600;line-height:1.65;margin:9px 0}.question-path p{font-size:12px;color:var(--muted)}.topic-page{max-width:880px;margin:auto}.back{display:inline-flex;min-height:44px;align-items:center;gap:8px;color:var(--muted);font-size:13px;margin-bottom:20px}.topic-heading{display:flex;justify-content:space-between;gap:25px;align-items:start}.topic-heading h1{font:32px/1.5 var(--serif);max-width:680px}.topic-intro{font-size:15px;color:var(--muted);margin:17px 0 25px}.topic-tabs{display:flex;gap:24px;border-bottom:1px solid var(--line);margin:28px 0}.topic-tabs button{padding:12px 0;min-height:44px;font-size:14px}.topic-tabs button.active{color:var(--accent);border-bottom:2px solid var(--accent)}.reading-summary{padding:24px;background:var(--soft);margin-bottom:28px}.reading-summary h2{font-size:17px;margin-bottom:13px}.reading-summary p{font-size:14px;line-height:1.9}.topic-list{display:grid;gap:16px}.topic-list .card-inner{padding:22px 25px}.topic-list .card{max-width:none}.topic-list .card-title{font-size:20px}.directory-body{padding:25px 30px 30px}.directory-body h2{font-size:24px;margin-bottom:9px}.directory-body>p{color:var(--muted);font-size:13px}.directory-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 30px;margin-top:20px}.directory-item{padding:19px 0;border-top:1px solid var(--line)}.directory-item a{display:block;font-size:15px;line-height:1.7}.directory-item small{color:var(--muted);display:block;margin:8px 0;font-size:11px}.unknown{padding-left:20px}.unknown li{padding:10px 0}.meta-line{font-size:11px;color:var(--muted)}
@media(max-width:1000px){.layout{grid-template-columns:minmax(0,1fr) 200px;gap:22px}.page{padding:25px}.card-inner{padding:19px}.card-title{font-size:20px}.top-inner{padding:0 25px;gap:30px}.pull{padding:21px}.pull p{font-size:25px}}
@media(max-width:820px){.layout{grid-template-columns:1fr}.sidebar{display:none}.page{max-width:780px}.top-inner{gap:30px}.intro .quiet{display:none}.reader-body{padding:24px 28px}.card-title{font-size:22px}}
@media(max-width:560px){.page{padding:22px 16px}.prototype-note{font-size:10px;line-height:1.6}.top-inner{padding:0 16px;gap:22px;flex-wrap:wrap;height:auto;min-height:72px}.brand{font-size:25px;margin:17px 0 5px}nav{order:3;width:100%;gap:27px;height:43px;font-size:13px}.directory-button{font-size:12px}.waterfall{grid-template-columns:1fr;gap:16px;grid-auto-rows:8px}.intro{margin-bottom:21px}.intro h1{font-size:22px}.intro p{font-size:12px}.toolbar{gap:8px}.filters{gap:0}.filter{padding:5px 11px;font-size:12px}.sort{font-size:11px;max-width:100px}.card-inner{padding:23px}.card-title{font-size:23px}.pull p{font-size:29px}.card-summary{font-size:15px}.directory-grid{grid-template-columns:1fr}.directory-body{padding:22px}.dialog-bar{padding:9px 19px}.reader-body{padding:23px}.reader-body h1{font-size:27px}.topic-heading h1{font-size:27px}.topic-heading{gap:13px}.topic-heading .follow{white-space:nowrap}.topic-tabs{gap:23px}.topic-tabs button{font-size:13px}}
#reader{width:min(720px,100vw)}
.reader-brand{font:700 22px/1.2 Georgia,serif;letter-spacing:-.5px;display:flex;align-items:center}
.reader-brand>span{color:var(--accent);font:inherit}
.reader-brand small{font:12px/1.4 var(--sans);color:var(--muted);letter-spacing:0;margin-left:18px;padding-left:18px;border-left:1px solid var(--line)}
.reader-body{padding:26px 38px 40px}.reader-body h1{font-size:28px;line-height:1.5;margin:13px 0 23px;letter-spacing:-.4px}
.reader-eyebrow{display:flex;justify-content:space-between;gap:16px;font-size:11px;color:var(--muted)}
.original-card{padding:22px 24px;background:#f2f5f1;border:1px solid #dce5df;border-radius:7px}
.original-kicker{display:flex;justify-content:space-between;font-size:11px;color:var(--muted);letter-spacing:.5px}
.original-card h2{font:22px/1.4 var(--serif);margin:12px 0 11px;overflow-wrap:anywhere;letter-spacing:-.25px}
.publication-credit{font-size:12px;color:#52685f;line-height:1.8}.publication-credit>span{padding:0 5px}
.original-actions{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-top:20px}
.original-button{display:inline-flex;align-items:center;justify-content:space-between;gap:40px;font-size:14px;min-width:154px;padding:10px 16px}
.original-actions>button{font-size:12px;min-height:44px;color:var(--muted)}.original-actions>.saved{color:var(--accent)}
.original-address{display:flex;align-items:center;justify-content:space-between;gap:16px;color:var(--muted);font-size:11px;margin-top:12px;overflow-wrap:anywhere}.original-address span{white-space:nowrap;font-size:10px}
.author-section{padding-top:25px}.author-heading{display:flex;align-items:center;gap:12px}.author-heading .initial{width:40px;height:40px;font-size:16px}.section-kicker{font-size:10px;color:var(--muted);letter-spacing:1px}.author-heading h2{font-size:16px;line-height:1.55}.author-section>p{margin:13px 0 7px;color:#52675e;font-size:13px;line-height:1.9}.author-link{display:inline-flex;align-items:center;min-height:32px;font-size:12px;color:var(--accent)}
.source-details{margin-top:17px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:12px 0}.source-details summary{cursor:pointer;color:var(--muted);font-size:11px;line-height:1.8}.source-details summary span{margin-left:13px;color:#849089}.source-details p{margin-top:9px;font-size:12px;line-height:1.8;color:var(--muted)}
.related-section{border-top:0;margin-top:0;padding-top:27px}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:15px}.section-heading h2{font-size:18px;margin:0}.section-heading>span{font-size:11px;color:var(--muted)}.related-row{padding:18px 0;transition:color .15s}.related-meta{display:block;font-size:11px;color:var(--accent);margin-bottom:5px}.related-row strong{display:flex;align-items:start;justify-content:space-between;gap:16px;font-size:16px;font-weight:600;line-height:1.6}.related-row strong span{font-weight:400;color:var(--accent)}.related-credit{display:block;font-size:11px;color:var(--muted);margin-top:6px}
.reader-topics{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:28px;padding-top:3px;font-size:11px;color:var(--muted)}.reader-topics>span{margin-right:5px}.reader-topics>a{border:1px solid var(--line);padding:5px 10px;border-radius:4px;color:var(--accent);min-height:32px}
@media(max-width:560px){.reader-body{padding:23px 22px 35px}.reader-body h1{font-size:25px}.reader-eyebrow{font-size:10px;gap:10px}.original-card{padding:19px}.original-card h2{font-size:21px}.original-address{align-items:start;flex-direction:column;gap:2px}.reader-brand small{margin-left:13px;padding-left:13px}.source-details summary span{display:block;margin-left:14px}.section-heading>span{font-size:10px}.related-row strong{font-size:15px}.reader-topics>a{min-height:40px;display:flex;align-items:center}}
.long-read{padding:32px 42px 45px}.long-read h1{font-size:30px;line-height:1.5;margin:13px 0 18px}.article-byline{display:flex;align-items:center;flex-wrap:wrap;gap:6px 13px;font-size:12px;color:var(--muted)}.article-byline>a:first-child{font-weight:600;color:var(--ink)}.article-byline .original-inline{margin-left:auto;color:var(--accent);min-height:32px;display:inline-flex;align-items:center}.article-bio{margin:8px 0 0;font-size:12px;color:var(--muted);line-height:1.8}.article-origin{margin-top:9px;font-size:11px;color:var(--muted)}.article-origin summary{cursor:pointer;min-height:28px;line-height:28px}.article-origin p{margin:8px 0;font-size:12px;overflow-wrap:anywhere}.article-origin p[lang=en]{font-family:var(--serif);font-size:14px}
.article-text{border-top:1px solid var(--line);margin-top:21px;padding-top:24px;font-size:17px;line-height:2.05;color:#31483e;overflow-wrap:anywhere}.translation-label{display:flex;justify-content:space-between;gap:15px;font-size:11px;letter-spacing:.5px;color:var(--muted);margin-bottom:21px}.article-text p{margin:0 0 1.25em}.article-text h2,.article-text h3{font-size:23px;line-height:1.6;margin:1.8em 0 .9em;letter-spacing:-.4px}.article-text h3{font-size:20px}.article-text ul,.article-text ol{padding-left:1.35em;margin:0 0 1.5em}.article-text li{padding-left:.2em;margin-bottom:1em}.article-text li p{margin-bottom:.5em}.article-text a{color:var(--accent);text-decoration:underline;text-decoration-color:#b6d0cb;text-underline-offset:4px}.article-text a:hover{text-decoration-color:var(--accent)}.article-text strong{font-weight:650;color:var(--ink)}.article-text blockquote{margin:1.3em 0;padding:17px 21px;background:#f3f6f2;font-size:15px;color:#50645a}.article-text blockquote p:last-child{margin-bottom:0}.article-text .figure-link{font-size:12px;margin:12px 0 20px}.article-text .translator-note{font-size:13px;color:var(--muted);line-height:1.9}.article-text .translation-pending{font-size:13px;color:var(--muted);padding:14px 0;border-top:1px solid var(--line)}.translation-credit{font-size:11px;line-height:1.85;color:var(--muted);border-top:1px solid var(--line);padding-top:20px;margin-top:30px}.translation-credit p{margin:0 0 7px}.translation-credit a{color:var(--accent)}.article-bottom-actions{margin-top:24px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:20px;font-size:12px}.article-bottom-actions button{border:1px solid var(--line);padding:7px 15px;min-height:40px;border-radius:4px}.article-bottom-actions .saved{color:var(--accent);background:var(--soft)}
@media(max-width:560px){.long-read{padding:24px 23px 35px}.long-read h1{font-size:27px}.article-byline{font-size:11px;gap:5px 10px}.article-byline .original-inline{margin-left:0}.article-bio{font-size:11px}.article-text{font-size:16px;line-height:2}.article-text h2{font-size:21px}.article-text h3{font-size:19px}.translation-label{font-size:10px}.article-text blockquote{padding:14px 16px;font-size:14px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}
.article-text .article-table-hint{font-size:11px;line-height:1.7;color:var(--muted);margin:12px 0 -9px}
.article-text h2[id]{scroll-margin-top:98px}.article-text h2:focus{outline:none}.article-text h4{font-size:18px;line-height:1.65;margin:1.6em 0 .8em}.article-contents{font-size:12px;color:var(--muted);margin:0 0 26px;border-bottom:1px solid var(--line);padding-bottom:12px}.article-contents summary{cursor:pointer;min-height:32px;line-height:32px}.article-contents>div{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:3px 18px;padding:8px 0}.article-contents button{text-align:left;color:var(--accent);padding:6px 0;font-size:12px}.article-table-scroll{max-width:100%;overflow-x:auto;border:1px solid var(--line);border-radius:4px;margin:20px 0;scrollbar-color:#a9bfb2 #edf2ed}.article-table-scroll table{border-collapse:collapse;min-width:100%;font-size:12px;line-height:1.7;white-space:normal}.article-table-scroll th,.article-table-scroll td{padding:10px 12px;min-width:85px;border-bottom:1px solid var(--line);vertical-align:top;text-align:right}.article-table-scroll th{background:#f0f4ef;font-weight:600;min-width:110px}.article-table-scroll th:first-child,.article-table-scroll td:first-child{text-align:left;min-width:160px;position:sticky;left:0;background:#fafcf9;border-right:1px solid var(--line)}.article-table-scroll th:first-child{background:#f0f4ef}.article-table-scroll tbody tr:last-child td{border-bottom:0}.article-text sup{line-height:0}.article-text code{font:inherit;font-size:.9em}.article-text h2:last-of-type+ul{font-size:12px;line-height:1.9;color:var(--muted)}