:root{--paper:#f6f7f3;--ink:#203e36;--muted:#61736b;--line:#dce5dd;--green:#245949;--soft:#e8eee6;--amber:#efe1c9}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 system-ui,-apple-system,"Microsoft YaHei",sans-serif}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #b86a28;outline-offset:4px}button{color:inherit}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.35}header{border-bottom:1px solid var(--line);background:#fff}.header-inner{max-width:1280px;margin:auto;display:flex;align-items:center;gap:38px;padding:20px 28px}.brand{display:flex;gap:12px;align-items:center;font-weight:800;font-size:22px;white-space:nowrap}.brand i{background:var(--green);color:white;font-style:normal;width:40px;height:40px;border-radius:12px;display:grid;place-items:center}.brand small{font-size:12px;font-weight:500;margin-left:6px;letter-spacing:.7px}.nav{display:flex;gap:26px;margin-left:auto;font-size:15px}.nav a{padding:8px 0;border-bottom:2px solid transparent}.nav a[aria-current=page]{border-color:var(--green);font-weight:700}.wrap{max-width:1280px;padding:36px 28px 64px;margin:auto}.eyebrow{font-size:12px;letter-spacing:1.5px;font-weight:700;color:var(--green);margin-bottom:12px}.mast{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;margin-bottom:30px}.mast h1{font-size:42px;letter-spacing:-1.5px;margin-bottom:12px}.mast h1 em{font-style:normal;color:#5b796b}.mast p{color:var(--muted);margin-bottom:0}.searchbox{display:flex;gap:8px;padding:8px;background:white;border:1px solid #b9c9be;border-radius:14px}.searchbox input{min-width:0;flex:1;border:0;background:transparent;padding:8px 12px;color:var(--ink)}.primary{background:var(--green);color:white;border:0;border-radius:9px;padding:10px 18px}.search-note{display:flex;gap:15px;margin-top:10px;font-size:13px;color:var(--muted);flex-wrap:wrap}.search-note a{text-decoration:underline;text-underline-offset:4px}.hero-grid{display:grid;grid-template-columns:1.7fr 1fr;gap:24px;margin-bottom:38px}.hero{position:relative;min-height:368px;overflow:hidden;border-radius:22px;background:#2b5141;color:white}.hero>img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}.hero:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(15,36,28,.95),rgba(15,36,28,.6) 50%,rgba(15,36,28,.04))}.hero-copy{position:relative;z-index:1;padding:30px;display:flex;min-height:368px;flex-direction:column;justify-content:flex-end;align-items:flex-start}.kicker{border:1px solid #ffffff77;border-radius:99px;padding:3px 12px;font-size:12px;margin-bottom:15px}.hero h2{font-size:31px;margin-bottom:12px;max-width:560px}.hero p{max-width:530px;color:#e3ede4;margin-bottom:18px;font-size:15px}.hero .go{display:inline-block;font-weight:700;border-bottom:1px solid #e8eee699;padding-bottom:4px}.side-stack{display:grid;gap:16px}.side-card{border:1px solid var(--line);background:white;border-radius:18px;padding:24px;display:block}.side-card.alt{background:#edf0e8}.side-card h2{font-size:22px;margin-bottom:10px}.side-card p{font-size:14px;color:var(--muted);margin-bottom:8px}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:20px}.section-head h2{font-size:26px;margin:0}.section-head p{font-size:14px;color:var(--muted);margin:8px 0 0}.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:22px}.filter{background:#fff;border:1px solid var(--line);padding:8px 17px;border-radius:99px;font-size:14px}.filter[aria-pressed=true]{color:white;background:var(--green);border-color:var(--green)}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.knowledge-card{background:#fff;border:1px solid var(--line);border-radius:16px;display:flex;flex-direction:column;padding:24px;min-height:265px;transition:transform .15s,box-shadow .15s}.knowledge-card:hover{transform:translateY(-2px);box-shadow:0 6px 22px #244c3810}.category{font-size:12px;font-weight:650;color:#547064;letter-spacing:.8px;margin-bottom:15px}.knowledge-card h3{font-size:21px;margin-bottom:12px}.knowledge-card p{color:var(--muted);font-size:14px;flex:1;margin-bottom:18px}.card-bottom{border-top:1px solid #edf0ea;padding-top:12px;display:flex;justify-content:space-between;gap:12px;font-size:12px;color:#52685e}.empty{padding:36px;border:1px solid var(--line);border-radius:18px;background:white}.tool-band{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:38px}.tool{border-radius:18px;border:1px solid var(--line);padding:25px;background:#edf0e8;display:flex;justify-content:space-between;gap:20px;align-items:center}.tool h3{font-size:22px;margin-bottom:8px}.tool p{font-size:14px;color:var(--muted);margin-bottom:0}.tool>span{font-size:26px}.trust{border-top:1px solid var(--line);padding:24px 0 0;margin-top:35px;display:flex;gap:22px;align-items:center;color:var(--muted);font-size:14px}.trust strong{color:var(--ink);white-space:nowrap}footer{background:white;border-top:1px solid var(--line);padding:24px;text-align:center;color:var(--muted);font-size:12px}.crumb{color:var(--muted);font-size:13px;margin-bottom:24px}.crumb a{text-decoration:underline;text-underline-offset:3px}.article-layout{display:grid;grid-template-columns:minmax(0,800px) minmax(230px,1fr);gap:52px}.article-top{border-bottom:1px solid var(--line);padding-bottom:25px;margin-bottom:28px}.article-top h1{font-size:38px;margin-bottom:18px}.article-summary{font-size:19px;color:#577064;line-height:1.75;margin-bottom:20px}.article-meta{font-size:13px;color:var(--muted)}.body-section{margin-bottom:31px}.body-section h2{font-size:24px;margin-bottom:13px}.body-section p{font-size:17px;line-height:1.95;margin:0;overflow-wrap:anywhere}.aside-box{border:1px solid var(--line);background:#fff;border-radius:16px;padding:22px;margin-bottom:18px}.aside-box h2{font-size:17px;margin-bottom:12px}.aside-box p,.aside-box a{font-size:14px;color:var(--muted)}.aside-box a{display:block;margin:10px 0;text-decoration:underline;text-underline-offset:4px;overflow-wrap:anywhere}.batch{background:#f0eee4;border:1px solid #e1ddcb;border-radius:16px;padding:22px;margin-bottom:28px}.batch h2{font-size:18px}.batch dl{display:grid;grid-template-columns:110px 1fr;gap:8px 18px;margin:0;font-size:14px}.batch dt{color:var(--muted)}.batch dd{margin:0;overflow-wrap:anywhere}.source-list{border-top:1px solid var(--line);padding-top:25px;margin-top:36px}.source-list h2{font-size:21px}.source-list a{color:var(--green);text-decoration:underline;overflow-wrap:anywhere}.source-list li{margin:12px 0;font-size:14px}.source-list p{font-size:13px;color:var(--muted)}.skip{position:fixed;top:-100px;left:8px;background:white;padding:10px;z-index:10}.skip:focus{top:8px}[hidden]{display:none!important}.mobile-nav{display:none}.photo-credit{position:absolute;top:12px;right:16px;z-index:2;font-size:10px;color:#fff;background:#18352999;border-radius:5px;padding:3px 7px}.screen-title{margin:5px 0 24px}.screen-title h1{font-size:38px;margin-bottom:8px}.screen-title p{color:var(--muted)}
@media(max-width:1000px){.header-inner{gap:14px}.nav{gap:14px}.brand small{display:none}.mast{gap:28px}.mast h1{font-size:34px}.hero-grid{grid-template-columns:1.4fr 1fr}.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.article-layout{gap:28px;grid-template-columns:minmax(0,1fr) 250px}.article-top h1{font-size:32px}}
@media(max-width:700px){.header-inner{padding:14px 20px}.brand{font-size:20px}.brand i{width:34px;height:34px}.nav{gap:16px;font-size:13px}.nav .desktop-only{display:none}.wrap{padding:24px 20px 36px}.mast{grid-template-columns:1fr;gap:22px;margin-bottom:24px}.mast h1{font-size:32px}.mast p{font-size:14px}.hero-grid{grid-template-columns:1fr;gap:16px;margin-bottom:30px}.hero,.hero-copy{min-height:345px}.hero-copy{padding:24px}.hero h2{font-size:28px}.hero p{font-size:14px}.side-stack{grid-template-columns:1fr;gap:12px}.side-card{padding:21px}.side-card h2{font-size:20px}.cards{grid-template-columns:1fr;gap:14px}.knowledge-card{min-height:0;padding:22px}.knowledge-card h3{font-size:22px}.filters{gap:7px}.filter{font-size:13px;padding:8px 13px}.tool-band{grid-template-columns:1fr;gap:14px}.trust{display:block}.trust strong{display:block;margin-bottom:9px}.section-head{align-items:start}.section-head h2{font-size:24px}.article-layout{grid-template-columns:1fr;gap:16px}.article-top h1{font-size:31px}.article-summary{font-size:18px}.body-section p{font-size:17px}.article-aside{display:none}.batch dl{grid-template-columns:90px 1fr;gap:8px}.mobile-nav{display:flex;gap:8px;margin-top:14px;border-top:1px solid var(--line);padding-top:12px;justify-content:space-between;font-size:13px}.screen-title h1{font-size:32px}.searchbox input{padding:8px; font-size:15px}.primary{padding:9px 14px}.photo-credit{font-size:9px}.card-bottom{font-size:12px}}
@media(prefers-reduced-motion:reduce){.knowledge-card{transition:none}}

/* Installed shell integration; no prototype data or inline scripts. */
body.discovery-page>header{position:static}body.discovery-page>header .nav{display:flex}.discovery-page .brand small{display:inline}.discovery-page .release-note .wrap{padding:10px 28px;font-size:13px}.discovery-page .release-note{border-bottom:1px solid var(--line)}.discovery-page .body-section p+p{margin-top:18px}.discovery-page .article-aside nav{display:block}
.discovery-page .article-top{background:transparent}
.discovery-page .section-sources{font-size:13px;margin-top:12px;color:var(--muted)}.discovery-page .section-sources a{text-decoration:underline; margin-right:12px}.discovery-page .article-limits{background:var(--soft);border-radius:12px;padding:18px;margin-top:26px;font-size:14px}.discovery-page .article-limits p:last-child{margin-bottom:0}.discovery-page .pagination{display:flex;gap:18px;justify-content:center;align-items:center;margin:28px 0}.discovery-page .pagination a{padding:8px 15px;border:1px solid var(--line);border-radius:8px;background:#fff}.discovery-page .catalog-search{max-width:680px;margin-bottom:24px}.discovery-page .filter[aria-current=page]{color:#fff;background:var(--green);border-color:var(--green)}.discovery-page .notice-warning{font-size:13px;color:var(--muted);margin:12px 0 0}.discovery-page .related-list a{display:block;padding:14px 0;border-top:1px solid var(--line)}.discovery-page .topic-links{display:flex;flex-wrap:wrap;gap:10px;margin:10px 0 18px;font-size:13px}.discovery-page .topic-links a{text-decoration:underline}.discovery-page .screen-title .eyebrow{color:var(--green)}

/* Knowledge cards are not the legacy image-card component. */
.discovery-page .cards{gap:22px}
.discovery-page .knowledge-card{padding:24px;min-height:0}
.discovery-page .knowledge-card .category{font-size:12px;line-height:1.5;margin:0 0 12px}
.discovery-page .knowledge-card h3{font-size:20px;line-height:1.5;margin:0 0 24px;font-weight:650;text-wrap:balance}
.discovery-page .knowledge-card .card-bottom{margin-top:auto;padding-top:0;gap:16px;font-size:13px}
.discovery-page .knowledge-card .read-link{margin-left:auto}
@media(max-width:700px){.discovery-page .knowledge-card{padding:22px}.discovery-page .knowledge-card h3{font-size:20px}}