:root{--bg:#f7f8f5;--paper:#fff;--ink:#1c302c;--muted:#6f7d77;--green:#176453;--light:#eaf2ec;--line:#e4e9e2;--serif:Georgia,'Songti SC','SimSun',serif;--sans:Inter,-apple-system,BlinkMacSystemFont,'Segoe UI','Microsoft YaHei',sans-serif}
*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--bg);font:15px/1.65 var(--sans)}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input{touch-action:manipulation}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #8bbda8;outline-offset:4px}button{color:inherit}[hidden]{display:none!important}.sr-only{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.skip-link{position:fixed;z-index:10;top:-60px;left:20px;background:var(--green);color:white;padding:10px 18px;border-radius:8px}.skip-link:focus{top:12px}
.site-header,.home-main,.site-footer{max-width:1240px;margin:auto}.site-header{display:flex;align-items:center;justify-content:space-between;padding:28px 42px;border-bottom:1px solid var(--line)}.brand{display:inline-flex;gap:11px;align-items:center;font-size:18px;font-weight:700;letter-spacing:.02em}.brand-mark{background:var(--green);color:#fff;width:42px;height:42px;border-radius:12px;display:grid;place-items:center;font-family:var(--serif);font-size:25px}.brand small{display:block;font-size:10px;font-weight:500;letter-spacing:.22em;color:var(--muted);margin-top:1px}.header-link{font-size:13px;color:var(--muted)}.header-link:hover{color:var(--green)}.header-link span{padding-left:8px}.home-main{padding:0 42px}.hero{display:flex;align-items:center;justify-content:space-between;gap:40px;padding:57px 0 37px}.eyebrow{font-size:10px;font-weight:650;letter-spacing:.19em;color:var(--green);margin:0 0 15px}.hero h1{font-size:39px;line-height:1.42;letter-spacing:.005em;margin:0;font-weight:650}.hero-description{font-size:14px;color:var(--muted);margin:17px 0 0}.hero-stats{display:flex;gap:39px;padding:20px 2px 20px 25px}.hero-stats div{display:flex;flex-direction:column}.hero-stats strong{font:42px/1.3 var(--serif);color:var(--green);letter-spacing:-.035em}.hero-stats span{font-size:12px;color:var(--muted);margin-top:7px}
.search-wrap{display:flex;align-items:center;background:var(--paper);border:1px solid #d8e1d8;border-radius:12px;box-shadow:0 5px 20px #23493804;padding:0 20px;gap:13px;min-height:62px}.search-wrap:focus-within{border-color:#78a993;box-shadow:0 0 0 3px #1764530c}.search-label{display:flex;color:var(--green)}#search{border:0;outline:0;background:transparent;flex:1;min-width:0;height:60px;color:var(--ink);font-size:15px}#search::placeholder{color:#94a098}#search::-webkit-search-cancel-button{-webkit-appearance:none}#search:focus-visible{outline:none}.search-wrap kbd{font:12px var(--sans);color:#9aa49e;border:1px solid var(--line);padding:2px 8px;border-radius:4px}#clear-search{border:0;background:none;color:var(--green);font-size:12px}.continue-reading{display:flex;align-items:center;gap:12px;padding:14px 2px;font-size:12px}.continue-reading>span:first-child{color:var(--muted);flex:none}.continue-reading a{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--green)}
.library-layout{display:grid;grid-template-columns:204px minmax(0,1fr);gap:44px;margin-top:44px;padding-bottom:65px}.sidebar-label{font-size:10px;letter-spacing:.16em;color:#89968c;margin:0 0 18px 13px}.sidebar nav{display:flex;flex-direction:column;gap:4px}.category{border:0;background:transparent;display:flex;align-items:center;gap:12px;text-align:left;width:100%;padding:12px 13px;border-radius:8px;font-size:13px;color:#64776b}.category:hover{background:#f0f3ee}.category[aria-pressed=true]{background:var(--light);color:var(--green);font-weight:650}.category .cat-symbol{font-size:12px;width:15px;text-align:center;color:#7f9889}.category .cat-count{margin-left:auto;font:11px var(--sans);color:#7e9285}.category[aria-pressed=true] .cat-count{color:var(--green)}.sidebar-note{display:flex;gap:8px;margin:35px 13px 0;border-top:1px solid var(--line);padding-top:23px;color:#91a095;font-size:11px;line-height:1.9}.sidebar-note p{margin:0}.note-dot{width:5px;height:5px;background:#91ad9c;border-radius:50%;flex:none;margin-top:8px}.results-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 0 20px;border-bottom:1px solid var(--line)}.results-toolbar .eyebrow{font-size:9px;margin:0 0 4px;color:#8b9b8f}.results-toolbar h2{font-size:24px;letter-spacing:.03em;margin:0;font-weight:650}#result-count{font-size:12px;color:var(--muted);margin:4px 0 0}.read-filter{display:flex;align-items:center;gap:7px;white-space:nowrap;font-size:12px;color:var(--muted);cursor:pointer}.read-filter input{accent-color:var(--green);width:14px;height:14px}.topics{display:flex;flex-wrap:wrap;gap:7px;margin:17px 0 5px}.topic{border:1px solid var(--line);background:transparent;padding:4px 10px;border-radius:20px;font-size:11px;color:var(--muted)}.topic[aria-pressed=true]{background:var(--green);border-color:var(--green);color:#fff}
.article-card{display:grid;grid-template-columns:1fr auto;gap:14px;position:relative;padding:23px 0 22px;border-bottom:1px solid var(--line)}.article-link{display:block;min-width:0}.article-meta{display:flex;align-items:center;gap:8px;font-size:10px;color:#8a968d;margin-bottom:7px;letter-spacing:.02em}.category-tag{color:var(--green);background:var(--light);padding:2px 7px;border-radius:4px}.article-card h3{font-size:17px;line-height:1.6;margin:0 0 7px;font-weight:600;color:#243a31}.article-link:hover h3{color:var(--green)}.article-excerpt{font-size:12px;line-height:1.8;color:#859187;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;overflow-wrap:anywhere}.article-card mark{background:#e9edb7;color:#344d32;border-radius:2px}.read-toggle{margin-top:28px;width:28px;height:28px;display:grid;place-items:center;border:1px solid #dce4dc;border-radius:50%;font-size:13px;background:transparent;color:#a8b5a9;flex-shrink:0}.read-toggle[aria-pressed=true]{color:white;background:var(--green);border-color:var(--green)}.read-toggle:hover{border-color:var(--green);color:var(--green)}.read-toggle[aria-pressed=true]:hover{color:white;background:#104c3f}.article-card.is-read h3{color:#718277}.article-arrow{font-size:12px;margin-left:auto;color:#9daea0}.load-more{display:block;width:100%;margin:24px 0 0;padding:11px;border:1px solid var(--line);border-radius:7px;background:transparent;color:var(--green);font-size:12px}.load-more:hover{background:var(--light)}.empty-state{text-align:center;padding:65px 20px;color:var(--muted)}.empty-state>span{font-size:40px;color:#9fb3a4}.empty-state h3{font-size:17px;color:var(--ink);font-weight:500;margin:12px 0 5px}.empty-state p{font-size:13px}.empty-state button{background:var(--green);color:white;border:0;padding:9px 18px;border-radius:6px;margin-top:10px;font-size:12px}.no-js{padding:20px;border:1px solid var(--line)}.no-js a{text-decoration:underline}.site-footer{display:flex;align-items:center;justify-content:space-between;gap:25px;padding:25px 42px 32px;border-top:1px solid var(--line);font-size:11px;color:#97a198}.site-footer span:first-child{font-weight:650;color:#65796a}
/* The reading view shares the same assets and works without JavaScript. */
body.library-reader{font:16px/1.85 var(--sans);background:var(--bg);color:#2c3e35}.library-reader main{max-width:930px;margin:30px auto 70px;padding:38px 52px 48px;background:#fff;border:1px solid var(--line);border-radius:12px}.reader-nav{display:flex;justify-content:space-between;align-items:center;gap:14px;font-size:12px;padding-bottom:22px;margin-bottom:25px;border-bottom:1px solid var(--line);color:var(--green)}.reader-nav-links{display:flex;flex-wrap:wrap;gap:17px}.reader-read-toggle{border:1px solid #c4d9ca;color:var(--green);padding:6px 11px;background:var(--light);font:12px var(--sans);border-radius:6px;white-space:nowrap}.reader-read-toggle[aria-pressed=true]{background:var(--green);color:#fff;border-color:var(--green)}.library-reader h1{font-size:30px;line-height:1.6;margin:12px 0 20px;word-break:break-word}.library-reader .source-info{font-size:12px;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:20px;margin-bottom:27px;display:flex;gap:15px;flex-wrap:wrap}.library-reader a{color:var(--green)}.library-reader a:hover{text-decoration:underline}.library-reader pre{background:#f2f5f0;border:1px solid #e6ebe3;color:#294738;padding:20px;border-radius:8px;font-size:13px;line-height:1.7;white-space:pre;overflow-x:auto;overflow-wrap:normal}.library-reader code{font-family:'Cascadia Code',Consolas,'Liberation Mono',monospace}.library-reader .block{margin:18px 0}.library-reader table{font-size:14px;width:100%}.library-reader td,.library-reader th{border-color:#dce4da}.library-reader .warning{background:#fff9e9;border-left:3px solid #d2b474;padding:12px 15px;font-size:13px;color:#846625}.library-reader .type-heading1,.library-reader .type-heading2{font-size:23px;color:#203e30;margin-top:38px}.library-reader .type-heading3{font-size:19px;margin-top:29px}.library-reader img{border-radius:5px;max-width:100%;height:auto}.reading-progress{height:3px;position:fixed;top:0;left:0;background:var(--green);width:0;z-index:5;transition:width .08s linear}.library-reader .nav{font-size:12px}.library-reader .back-to-top{position:fixed;bottom:24px;right:24px;border:1px solid var(--line);width:40px;height:40px;border-radius:50%;background:white;color:var(--green);box-shadow:0 3px 14px #203e3010}.library-reader .back-to-top:hover{background:var(--light)}
@media(min-width:1000px){.sidebar{position:sticky;top:25px;align-self:start}}
@media(max-width:900px){.site-header{padding:23px 25px}.home-main{padding:0 25px}.hero{padding-top:40px;gap:20px}.hero h1{font-size:31px}.hero-stats{gap:24px;padding-left:0}.hero-stats strong{font-size:34px}.library-layout{grid-template-columns:165px minmax(0,1fr);gap:27px}.site-footer{padding-left:25px;padding-right:25px}.library-reader main{margin:20px 18px 60px;padding:25px 30px}}
@media(max-width:650px){.site-header{padding:19px 20px}.brand{font-size:16px}.brand-mark{width:36px;height:36px;font-size:22px}.header-link{font-size:11px}.home-main{padding:0 20px}.hero{display:block;padding:30px 0 25px}.hero h1{font-size:30px}.hero h1 br{display:none}.hero-description{font-size:12px;margin-top:12px}.hero .eyebrow{margin-bottom:10px;font-size:9px}.hero-stats{padding:24px 0 0;gap:39px}.hero-stats strong{font-size:30px}.hero-stats span{font-size:10px;margin-top:2px}.search-wrap{min-height:53px;padding:0 14px;gap:10px}#search{height:52px;font-size:13px}.search-wrap kbd{display:none}.library-layout{display:block;margin-top:27px;padding-bottom:40px}.sidebar-label,.sidebar-note{display:none}.sidebar nav{flex-direction:row;flex-wrap:nowrap;overflow:auto;gap:6px;padding-bottom:13px;scrollbar-width:thin}.category{width:auto;flex:none;padding:8px 11px;gap:6px;font-size:11px;border:1px solid var(--line);background:#fff}.category .cat-symbol,.category .cat-count{display:none}.category[aria-pressed=true]{border-color:#c7dacc}.results-toolbar{margin-top:13px;padding-bottom:15px}.results-toolbar h2{font-size:21px}.results-toolbar .eyebrow{font-size:8px}.article-card{padding:19px 0;gap:12px}.article-card h3{font-size:15px}.article-excerpt{font-size:11px}.article-meta{font-size:9px}.site-footer{padding:22px 20px;gap:10px;flex-wrap:wrap;font-size:10px}.site-footer span:nth-child(2){display:none}.library-reader main{margin:0;padding:21px 20px 45px;border:0;border-radius:0}.library-reader h1{font-size:24px}.reader-nav{gap:10px;font-size:11px}.reader-nav-links{gap:10px}.library-reader pre{font-size:12px;padding:14px}.library-reader .type-heading1,.library-reader .type-heading2{font-size:21px}.library-reader .back-to-top{bottom:14px;right:14px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
@media print{.reader-nav,.reading-progress,.back-to-top{display:none!important}body.library-reader,.library-reader main{background:#fff}.library-reader main{border:0;margin:0;padding:0;max-width:none}.library-reader pre{white-space:pre-wrap;overflow-wrap:anywhere}}