:root{--paper:#f7f8f3;--white:#fff;--ink:#202c29;--muted:#65706a;--line:#dde2d9;--green:#315c48;--light:#e6ece0;--clay:#9a543b;--radius:16px;--max:1120px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.75 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #6c8a4a;outline-offset:5px}button{cursor:pointer}svg{display:block;max-width:100%}::selection{background:#d7e1c6}.wrap{max-width:var(--max);margin:auto;padding:0 28px}.skip{position:absolute;left:16px;top:-90px;z-index:50;background:var(--ink);color:white;padding:10px 20px}.skip:focus{top:10px}.header{position:sticky;top:0;z-index:20;border-bottom:1px solid var(--line);background:rgba(247,248,243,.97)}.header-inner{height:84px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:12px}.brand-symbol{width:35px;height:35px;color:var(--green)}.brand-word{font:800 22px/1.2 ui-monospace,Consolas,monospace;letter-spacing:-1px}.brand-small{display:block;font:11px/1.6 sans-serif;letter-spacing:3px;color:var(--muted)}nav{display:flex;gap:28px;align-items:center}nav a{font-size:14px;min-height:44px;display:inline-flex;align-items:center;color:var(--muted);position:relative}nav a:hover,nav a.active{color:var(--green)}nav a.active:after{content:"";position:absolute;bottom:3px;left:0;width:18px;height:2px;background:var(--green)}.hero{display:grid;grid-template-columns:1.15fr 1fr;gap:54px;align-items:center;padding-top:67px;padding-bottom:61px}.eyebrow{font:12px/1.6 ui-monospace,Consolas,monospace;letter-spacing:2.3px;color:var(--green);display:flex;align-items:center;gap:10px;text-transform:uppercase}.dot{width:6px;height:6px;border-radius:50%;background:var(--green);display:inline-block}.hero h1{font-size:58px;line-height:1.22;letter-spacing:-2px;font-weight:600;margin:24px 0}.hero h1 span{color:var(--green)}.hero-text{max-width:450px;color:var(--muted);font-size:16px;line-height:1.9}.actions{display:flex;gap:20px;align-items:center;margin-top:30px}.button{display:inline-flex;align-items:center;justify-content:center;gap:20px;background:var(--green);color:white;border:1px solid var(--green);border-radius:7px;padding:11px 20px;font-size:14px;min-height:46px}.button:hover{background:#254736}.text-link{font-size:14px;color:var(--green);min-height:44px;display:inline-flex;align-items:center;gap:9px}.text-link:hover{text-decoration:underline}.hero-art{background:#e8eddf;border:1px solid #d7decf;border-radius:var(--radius);min-height:350px;position:relative;overflow:hidden}.art-top{display:flex;justify-content:space-between;padding:20px 22px;font:10px/1.4 ui-monospace,monospace;letter-spacing:1.5px;color:#55614c}.art-bottom{position:absolute;bottom:20px;left:22px;right:22px;display:flex;justify-content:space-between;font:11px/1.5 ui-monospace,monospace;color:#4e5d45}.hero-art>svg{width:100%;height:278px}.hero-note{margin-top:25px;color:var(--muted);font-size:12px}.section{padding-top:34px;padding-bottom:46px;border-top:1px solid var(--line)}.section-head{display:flex;justify-content:space-between;align-items:end;margin-bottom:24px;gap:20px}.section-head h2{font-size:25px;line-height:1.5;font-weight:600;margin:4px 0 0;letter-spacing:-.6px}.section-head p{margin:0;color:var(--muted);font-size:13px}.small-label{font:10px/1.8 ui-monospace,monospace;letter-spacing:2px;color:var(--muted)}.filters{display:flex;gap:8px;margin-bottom:24px;flex-wrap:wrap}.filters button{background:transparent;border:1px solid var(--line);border-radius:30px;font-size:13px;color:var(--muted);padding:9px 18px;min-height:44px}.filters button[aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:white}.filters button:hover{border-color:var(--green)}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.card{border:1px solid var(--line);border-radius:var(--radius);background:var(--white);overflow:hidden;transition:transform .2s,border-color .2s;display:flex;flex-direction:column}.card:hover{transform:translateY(-4px);border-color:#a7b59f}.card-visual{height:175px;position:relative;display:grid;place-items:center;background:#f1e7df;color:var(--clay)}.card-visual.sage{background:#e4ebe0;color:var(--green)}.card-visual.slate{background:#e7ecee;color:#496374}.card-visual svg{width:145px;height:120px}.card-visual .visual-label{position:absolute;top:19px;left:20px;font:10px/1.4 ui-monospace,monospace;letter-spacing:1.2px}.visual-no{position:absolute;right:20px;bottom:14px;font:11px ui-monospace,monospace;opacity:.8}.card-body{padding:23px;flex:1;display:flex;flex-direction:column}.card-category{font-size:11px;color:var(--muted);margin-bottom:8px}.card h3{font-size:20px;line-height:1.5;margin:0 0 12px;font-weight:600;letter-spacing:-.3px}.card h3 a:after{content:""}.card p{font-size:14px;line-height:1.85;color:var(--muted);margin:0 0 20px}.tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:auto}.tag{font-size:10px;color:#5e685f;border:1px solid #e5e8e0;padding:2px 7px;border-radius:4px}.card-foot{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);margin-top:22px;padding-top:15px;font-size:12px;color:var(--muted)}.card-foot a{color:var(--green);min-height:44px;display:inline-flex;align-items:center;gap:9px}.path-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:34px;padding:18px 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.lead{font-size:17px;color:var(--muted);line-height:1.9;max-width:740px;margin:0}.article-meta{margin-top:20px;display:flex;gap:20px;flex-wrap:wrap;font-size:12px;color:var(--muted)}.article-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:48px;align-items:start;border-top:1px solid var(--line);padding-top:30px;padding-bottom:60px}.toc{position:sticky;top:114px;font-size:13px}.toc-title{font-size:11px;letter-spacing:1px;color:var(--muted);margin-bottom:13px}.toc ol{list-style:none;padding:0;margin:0;counter-reset:toc}.toc li{counter-increment:toc;border-left:1px solid var(--line)}.toc a{display:flex;gap:9px;align-items:center;min-height:42px;color:var(--muted);padding:7px 10px;line-height:1.5}.toc a:before{content:counter(toc,decimal-leading-zero);font:10px ui-monospace,monospace;color:#7b8679}.toc a:hover,.toc a[aria-current=true]{color:var(--green);background:#e9eee3;border-left-color:var(--green)}.article{min-width:0;font-size:15px;line-height:1.95}.article h2{font-size:24px;line-height:1.5;font-weight:600;letter-spacing:-.5px;margin:40px 0 18px;scroll-margin-top:110px}.article h2:first-child{margin-top:0}.article h3{font-size:18px;line-height:1.6;font-weight:600;margin:26px 0 10px}.article p{margin:0 0 18px;color:#4f5d54}.article strong{color:var(--ink);font-weight:600}.article ul,.article ol{padding-left:23px;color:#4f5d54}.article li{padding-left:4px;margin-bottom:9px}.article a{color:var(--green);text-decoration:underline;text-underline-offset:3px;overflow-wrap:anywhere}.table-wrap{overflow-x:auto;margin:20px 0 26px;border:1px solid var(--line);border-radius:9px}table{border-collapse:collapse;width:100%;min-width:510px;font-size:13px;line-height:1.8}th,td{text-align:left;padding:13px 16px;border-bottom:1px solid var(--line);vertical-align:top}th{background:#edf1e7;color:var(--ink);font-size:12px;font-weight:600}tr:last-child td{border-bottom:0}td:first-child{width:34%;color:var(--ink)}kbd{font:12px/1.8 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14px}.sources ol{padding-left:18px;margin-bottom:0}.article-end{border-top:1px solid var(--line);margin-top:35px;padding-top:24px;display:flex;justify-content:space-between;gap:20px;font-size:13px}.about{max-width:760px;margin:45px auto 70px}.about h1{font-size:38px;font-weight:600;line-height:1.4}.about .article h2{font-size:22px}.empty{padding:80px 28px;text-align:center;min-height:52vh}.empty-number{font:96px/1.2 ui-monospace,monospace;color:var(--green);letter-spacing:-7px}.empty h1{font-size:25px;font-weight:600}.empty p{color:var(--muted);font-size:14px}.hidden,[hidden]{display:none!important}
@media(min-width:1600px){.hero{padding-top:85px;padding-bottom:80px}}
@media(max-width:950px){.hero{gap:28px;grid-template-columns:1.1fr 1fr}.hero h1{font-size:45px}.hero-art{min-height:310px}.hero-art>svg{height:235px}.cards{gap:14px}.card-body{padding:18px}.card h3{font-size:18px}.article-layout{grid-template-columns:175px minmax(0,1fr);gap:30px}}
@media(max-width:700px){.wrap{padding:0 20px}.header-inner{height:73px;gap:12px}.brand-word{font-size:20px}.brand-small{letter-spacing:1.5px;font-size:9px}.brand-symbol{width:29px;height:29px}.brand{gap:8px}nav{gap:16px}nav a{font-size:12px}.hero{grid-template-columns:1fr;padding-top:39px;padding-bottom:35px;gap:30px}.hero h1{font-size:43px;letter-spacing:-1px;margin:20px 0}.hero-text{font-size:15px}.hero-art{min-height:275px}.hero-art>svg{height:210px}.hero-note{margin-top:20px}.eyebrow{font-size:10px;letter-spacing:1.8px}.section{padding-top:28px;padding-bottom:35px}.section-head h2{font-size:22px}.section-head p{font-size:11px}.cards{grid-template-columns:1fr;gap:20px}.card-visual{height:185px}.card-body{padding:23px}.card h3{font-size:21px}.card p{font-size:14px}.path-grid{grid-template-columns:1fr;gap:24px}.note-banner{padding:24px;align-items:start;flex-direction:column;gap:12px;margin-bottom:35px}.footer-main{flex-direction:column;align-items:start;gap:12px}.footer-legal{flex-direction:column;gap:9px}.article-head{padding:29px 0}.article-head h1{font-size:32px;letter-spacing:-.7px}.article-head .lead{font-size:15px}.article-meta{gap:12px;font-size:11px}.article-layout{display:block;padding-top:20px}.toc{position:static;border:1px solid var(--line);border-radius:9px;padding:15px;margin-bottom:27px}.toc ol{display:grid;grid-template-columns:1fr 1fr;gap:3px}.toc a{font-size:11px;padding-left:7px}.toc-title{margin-bottom:8px}.article{font-size:15px}.article h2{font-size:22px;margin-top:34px}.table-wrap{margin-left:0;margin-right:0}th,td{padding:11px 13px}table{min-width:485px}.article-end{flex-direction:column}.about{margin:30px auto 45px}.about h1{font-size:31px}.footer{padding:25px 0}.section-head{gap:10px}.text-link{font-size:13px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
@media print{.header,.toc,.footer,.article-end,.breadcrumb,.skip{display:none!important}body{background:white;font-size:11pt}.wrap{max-width:none;padding:0}.article-head h1{font-size:24pt}.article-layout{display:block;border-top:0;padding:0}.article{font-size:11pt}.table-wrap{overflow:visible;break-inside:avoid}table{min-width:0}.article h2{break-after:avoid}.sources{break-inside:avoid}a{color:black!important}}