:root{--c-primary: #b91c1c;--c-primary-dark: #7f1d1d;--c-accent: #f59e0b;--c-text: #1a1a1a;--c-muted: #6b7280;--c-bg: #fff8f4;--c-card: #ffffff;--c-border: #f1d6c8;--shadow: 0 1px 2px rgba(15, 23, 42, .06), 0 4px 10px rgba(15, 23, 42, .04);--radius: 10px;--maxw: 1080px;font-family:-apple-system,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Segoe UI,Roboto,sans-serif;color:var(--c-text);background:var(--c-bg);line-height:1.65}*{box-sizing:border-box}html,body{margin:0;padding:0}a{color:var(--c-primary);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}.site-header{background:var(--c-card);border-bottom:1px solid var(--c-border);position:sticky;top:0;z-index:10}.site-header .row{display:flex;align-items:center;gap:24px;height:64px}.site-header .brand{font-weight:700;font-size:18px;color:var(--c-primary-dark)}.site-header nav{display:flex;gap:18px;flex:1}.site-header nav a{color:var(--c-text);font-size:14px}.site-header .cta{background:var(--c-primary);color:#fff;padding:8px 16px;border-radius:var(--radius);font-size:14px}.site-header .cta:hover{background:var(--c-primary-dark);text-decoration:none}.hero{padding:56px 0 32px;background:linear-gradient(180deg,var(--c-card),var(--c-bg));border-bottom:1px solid var(--c-border)}.hero h1{font-size:34px;margin:0 0 12px;color:var(--c-primary-dark)}.hero p{font-size:16px;color:var(--c-muted);max-width:680px;margin:0}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-top:32px}.stats .stat{background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}.stats .stat .v{font-size:28px;font-weight:700;color:var(--c-primary)}.stats .stat .l{font-size:13px;color:var(--c-muted);letter-spacing:.04em}section.block{padding:48px 0}section.block h2{font-size:22px;margin:0 0 24px}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px}.card{background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:8px}.card .meta{font-size:12px;color:var(--c-muted)}.card h3{margin:0;font-size:16px;line-height:1.4}.card .desc{font-size:14px;color:var(--c-text);flex:1}.card .badge{display:inline-block;background:#f59e0b29;color:#b45309;font-size:11px;padding:2px 8px;border-radius:999px;letter-spacing:.04em}.banner{background:#fff3cd;border:1px solid #ffe69c;color:#6b4f00;padding:12px 16px;border-radius:var(--radius);margin:16px 0;font-size:13px}article.prose{padding:48px 0 80px}article.prose h1{font-size:30px;margin:0 0 8px;color:var(--c-primary-dark)}article.prose .meta{font-size:13px;color:var(--c-muted);margin-bottom:24px}article.prose .body{font-size:17px;line-height:1.85}article.prose .body h2{font-size:21px;margin-top:32px}article.prose .body h3{font-size:18px;margin-top:24px}article.prose .body p{margin:16px 0}article.prose .body code{background:#fbe9d7;padding:1px 6px;border-radius:4px;font-size:14px}article.prose .body pre{background:#1c1917;color:#e7e5e4;padding:16px;border-radius:var(--radius);overflow:auto;font-size:13px}.site-footer{border-top:1px solid var(--c-border);padding:32px 0;margin-top:48px;color:var(--c-muted);font-size:13px;background:var(--c-card)}.site-footer .row{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px}.media-block h2{font-size:22px;margin:8px 0 16px;color:var(--c-primary-dark)}.figure{margin:0 0 16px;padding:0}.figure img{display:block;max-width:100%;height:auto;border-radius:var(--radius);background:var(--c-card)}.figure figcaption{margin-top:8px;font-size:14px;color:var(--c-muted);line-height:1.55}.figure figcaption strong{color:var(--c-text);display:inline-block;margin-right:4px}.figure figcaption .kw{color:var(--c-primary);font-style:normal;font-size:12px}.figure-structure img{max-width:480px;margin:0 auto}.figure-hero img{width:100%;max-height:360px;object-fit:cover}.figure-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}.md-figure{margin:24px 0}.coa-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:12px}.coa-list li{background:var(--c-card);padding:12px 16px;border:1px solid var(--c-border);border-radius:var(--radius)}.coa-list .muted{color:var(--c-muted);font-size:13px}