:root{--ink:#132238;--muted:#5b6b7f;--line:#d9e4ea;--paper:#fff;--wash:#f3f8fa;--teal:#087f78;--blue:#2563a6;--gold:#c78318;--shadow:0 18px 48px rgba(15,35,55,.09)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:linear-gradient(180deg,#f5fafb 0,#fff 420px);font:16px/1.7 system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif}.wrap{width:min(1160px,calc(100% - 40px));margin:auto}.sitebar{border-bottom:1px solid rgba(217,228,234,.8);background:rgba(255,255,255,.9);backdrop-filter:blur(12px);position:sticky;top:0;z-index:10}.bar-inner{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:12px;color:inherit;text-decoration:none}.mark{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;color:#fff;font-weight:900;background:linear-gradient(135deg,#0b827b,#2b70b5);box-shadow:0 8px 20px rgba(8,127,120,.2)}.brand strong{display:block;line-height:1.1;font-size:18px}.brand small{display:block;color:var(--muted);font-size:12px;margin-top:4px}.nav{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}.nav a{padding:8px 11px;border-radius:8px;color:#405168;text-decoration:none;font-weight:700;font-size:14px}.nav a:hover,.nav a[aria-current=page]{color:var(--teal);background:#e8f6f4}.hero{padding:76px 0 66px}.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}.eyebrow{color:var(--teal);font-size:13px;font-weight:850;letter-spacing:.12em;text-transform:uppercase}.hero h1{font-size:clamp(34px,5vw,62px);line-height:1.1;letter-spacing:-.02em;margin:14px 0 18px}.hero p{color:var(--muted);font-size:18px;max-width:650px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:11px 16px;border-radius:9px;text-decoration:none;font-weight:800;border:1px solid var(--teal);color:#fff;background:var(--teal)}.btn.alt{color:var(--teal);background:#fff}.hero-media{min-height:330px;border-radius:18px;overflow:hidden;box-shadow:var(--shadow);border:1px solid rgba(255,255,255,.8);background:#dcebed}.hero-media img{width:100%;height:100%;display:block;object-fit:cover;min-height:330px}.section{padding:58px 0}.section.muted{background:#f2f7f8;border-block:1px solid var(--line)}.section h2{font-size:30px;line-height:1.2;margin:0 0 12px}.section-lead{color:var(--muted);max-width:700px;margin:0 0 28px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:23px;box-shadow:0 8px 24px rgba(15,35,55,.04)}.card h3{margin:0 0 8px;font-size:19px}.card p{color:var(--muted);margin:0}.card a{color:var(--teal);font-weight:800;text-decoration:none}.metric-row{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.metric{padding:18px;border-left:3px solid var(--teal);background:#fff;border-radius:8px}.metric b{display:block;font-size:27px}.metric span{color:var(--muted);font-size:13px}.page-head{padding:58px 0 34px}.page-head h1{font-size:clamp(32px,4vw,48px);margin:10px 0}.page-head p{color:var(--muted);max-width:760px}.crumb{font-size:13px;color:var(--muted)}.crumb a{color:var(--teal);text-decoration:none}.article-layout{display:grid;grid-template-columns:minmax(0,860px) 240px;gap:28px;align-items:start;padding-bottom:70px}.article{background:#fff;border:1px solid var(--line);border-radius:14px;padding:clamp(24px,4vw,48px);box-shadow:var(--shadow)}.article h2{font-size:25px;line-height:1.3;margin:32px 0 10px}.article h3{font-size:19px;margin:24px 0 8px}.article p,.article li{line-height:1.9}.article .callout{padding:15px 18px;border-left:4px solid var(--gold);background:#fff8eb;border-radius:0 8px 8px 0;color:#5e4a2a}.article a,.prose a{color:var(--teal)}.article-meta{color:var(--muted);font-size:13px;border-bottom:1px solid var(--line);padding-bottom:18px}.article-pager{display:grid;grid-template-columns:1fr auto 1fr;gap:14px;align-items:center;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:32px;padding:16px 0}.article-pager div:last-child{text-align:right}.article-pager a,.article-pager span{font-size:14px;font-weight:800;text-decoration:none}.article-pager span{color:var(--muted);font-weight:600}.article-pager .pager-index{padding:7px 12px;border:1px solid var(--line);border-radius:8px;white-space:nowrap}.toc{position:sticky;top:96px;border:1px solid var(--line);background:#fff;border-radius:12px;padding:18px}.toc strong{display:block;margin-bottom:8px}.toc a{display:block;color:var(--muted);font-size:13px;text-decoration:none;padding:5px 0}.toc a:hover{color:var(--teal)}.list{display:grid;gap:16px;padding-bottom:70px}.list-card{display:grid;grid-template-columns:140px 1fr;gap:20px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:12px;padding:17px}.list-card img{width:140px;height:100px;object-fit:cover;border-radius:8px}.list-card h2{font-size:20px;margin:0 0 5px}.list-card h2 a{color:var(--ink);text-decoration:none}.list-card p{color:var(--muted);margin:0}.tag{color:var(--teal);font-size:12px;font-weight:850}.prose{padding-bottom:70px}.prose h2{margin-top:30px}.prose li{margin-bottom:8px}.site-footer{padding:34px 0;background:#14263a;color:#dce9ef}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:28px}.site-footer strong{color:#fff;font-size:18px}.site-footer p{color:#b9cbd4;margin:8px 0;font-size:14px}.site-footer a{color:#d8f2ee;text-decoration:none;display:block;margin:5px 0;font-size:14px}.copyright{border-top:1px solid rgba(255,255,255,.15);margin-top:22px;padding-top:16px;color:#9db3bf;font-size:12px}@media(max-width:820px){.wrap{width:min(100% - 28px,680px)}.bar-inner{align-items:flex-start;padding:12px 0;flex-direction:column}.nav{justify-content:flex-start;overflow:auto;flex-wrap:nowrap;width:100%}.hero{padding:48px 0}.hero-grid,.article-layout{grid-template-columns:1fr}.hero-media{min-height:240px}.hero-media img{min-height:240px}.grid3{grid-template-columns:1fr}.metric-row{grid-template-columns:repeat(2,1fr)}.toc{position:static}.list-card{grid-template-columns:1fr}.list-card img{width:100%;height:180px}.footer-grid{grid-template-columns:1fr}.article-pager{grid-template-columns:1fr;gap:8px}.article-pager div:last-child{text-align:left}.article-pager .pager-index{justify-self:start}}