:root{--bg:#f6f7fb;--surface:#fff;--surface-soft:#f8fafc;--text:#0f172a;--muted:#475569;--border:rgba(15,23,42,.12);--border-soft:rgba(148,163,184,.35);--shadow:0 10px 28px rgba(15,23,42,.08);--brand:#0f766e;--brand2:#1e40af;--accent:#f59e0b;--link:#1e40af;--linkhover:#0f766e;--max:1680px;--radius:18px}*{box-sizing:border-box}html,body{margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:ui-sans-serif,system-ui,-apple-system,Segoe\ UI,Roboto,Helvetica,Arial,sans-serif;font-size:17px;background:radial-gradient(1200px 600px at 10% -10%,rgba(15,118,110,.10),transparent 60%) , radial-gradient(1200px 600px at 90% -10%,rgba(30,64,175,.10),transparent 55%) , var(--bg);color:var(--text);line-height:1.6}img,svg{max-width:100%}a{color:var(--link);text-decoration:none}a:hover{color:var(--linkHover);text-decoration:underline}a:focus-visible{outline:3px solid rgba(30,64,175,.35);outline-offset:3px;border-radius:6px}.wrap{width:min(var(--max),calc(100% - 48px));margin:0 auto;padding:0}header{position:sticky;top:0;z-index:50;background:rgba(246,247,251,.84);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--border)}.nav{display:flex;align-items:center;justify-content:space-between;padding:12px 0;gap:14px;flex-wrap:wrap}.brand{display:flex;align-items:center;gap:10px;min-width:0}.brand img{width:34px;height:34px;flex:0 0 auto}.brand a{font-weight:800;letter-spacing:.2px;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.badge{font-size:.78rem;color:rgba(15,23,42,.82);border:1px solid var(--border);background:rgba(255,255,255,.70);padding:4px 10px;border-radius:999px;white-space:nowrap}.links{display:flex;gap:14px;flex-wrap:wrap;margin-left:auto;justify-content:flex-end}.links a{font-weight:600;color:rgba(15,23,42,.82)}.links a:hover{color:var(--linkHover);text-decoration:none}.hero{padding:36px 0 18px}.hero-card,.content{background:var(--surface);border:1px solid var(--border);border-radius:calc(var(--radius) + 4px);box-shadow:var(--shadow)}.hero-card{padding:26px}.content{width:100%;max-width:min(1440px,100%);padding:34px;margin:18px auto 30px}.kicker{display:inline-flex;align-items:center;gap:10px;font-size:.9rem;color:rgba(15,23,42,.78);margin-bottom:10px}.dot{width:9px;height:9px;flex:0 0 auto;border-radius:99px;background:var(--brand);box-shadow:0 0 0 4px rgba(15,118,110,.12)}h1{font-size:clamp(1.75rem,2.2vw,2.2rem);line-height:1.2;margin:0 0 10px}.content h1{font-size:clamp(1.65rem,2.1vw,2.0rem)}h2{line-height:1.25}.content h2{margin-top:24px;font-size:1.25rem}.content h3{margin-top:18px;font-size:1.05rem;color:rgba(15,23,42,.86)}p{margin:0 0 14px}p.lead,.lead{font-size:clamp(1.02rem,1.1vw,1.1rem);color:rgba(15,23,42,.86);margin:0 0 12px}.meta{color:rgba(15,23,42,.72);font-size:.92rem}.content ul,.content ol{padding-left:22px;margin:0 0 14px}.content li{margin:6px 0}.list{margin:8px 0 0;padding:0;list-style:none}.list li{padding:10px 0;border-top:1px solid var(--border)}.list li:first-child{border-top:0}.list li span.meta{display:inline;margin-left:8px}.grid{display:grid;gap:18px;grid-template-columns:repeat(12,1fr);margin:22px 0 34px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:0 8px 18px rgba(15,23,42,.06);padding:18px;transition:transform .12s ease , box-shadow .12s ease}.card:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(15,23,42,.08)}.card h2{margin:0 0 6px;font-size:1.1rem}.card p{margin:0 0 10px;color:rgba(15,23,42,.78)}.span-4{grid-column:span 4}.span-6{grid-column:span 6}.span-8{grid-column:span 8}.span-12{grid-column:span 12}.ad-slot{border:1px solid var(--border);background:rgba(255,255,255,.92);border-radius:14px;padding:14px;margin:20px 0 24px;box-shadow:0 6px 16px rgba(15,23,42,.04)}.ad-label{font-size:.72rem;letter-spacing:.08em;color:rgba(15,23,42,.55);text-transform:uppercase;margin-bottom:8px}.callout{border-left:4px solid var(--brand);background:rgba(15,118,110,.06);padding:14px;border-radius:12px;margin:14px 0}.review-note,.section-note{border:1px solid rgba(245,158,11,.35);background:rgba(245,158,11,.10);padding:14px 16px;border-radius:12px;margin:18px 0}.example-box{border-left:4px solid var(--brand2);background:rgba(30,64,175,.06);padding:14px 16px;margin:18px 0;border-radius:12px}.publisher-card,.home-note{border:1px solid rgba(15,118,110,.18);border-left:4px solid var(--brand);border-radius:16px;background:rgba(15,118,110,.06);padding:16px;margin:18px 0}.article-table{width:100%;border-collapse:collapse;margin:18px 0;font-size:.95rem}.article-table th,.article-table td{border:1px solid var(--border-soft);padding:10px;vertical-align:top;text-align:left}.article-table th{background:rgba(15,23,42,.06);font-weight:700}.risk-diagram,.home-diagram,.library-map{margin:22px 0;border:1px solid var(--border-soft);border-radius:18px;background:#fff;box-shadow:0 8px 22px rgba(15,23,42,.05);padding:14px;overflow-x:auto}.risk-diagram svg,.home-diagram svg,.library-map svg{display:block;max-width:100%;height:auto;min-width:760px}.diagram-title{font-weight:700;margin:0 0 10px;color:rgba(15,23,42,.86)}.template-box{background:rgba(15,118,110,.06);border:1px solid rgba(15,118,110,.18);border-left:4px solid var(--brand);border-radius:14px;padding:16px;margin:18px 0;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono",monospace;font-size:.92rem;line-height:1.55;white-space:pre-wrap;overflow-x:auto}.about-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:18px 0}.about-panel{border:1px solid var(--border-soft);border-radius:16px;padding:16px;background:rgba(248,250,252,.72)}.about-panel h2,.about-panel h3{margin-top:0}.category-kicker{font-size:.82rem;color:rgba(15,23,42,.68);text-transform:uppercase;letter-spacing:.08em;margin-bottom:6px}.reading-path{margin:12px 0 0;padding-left:1.25rem}.reading-path li{margin:10px 0;padding-left:4px}hr{border:0;border-top:1px solid var(--border);margin:18px 0}footer{border-top:1px solid var(--border);padding:24px 0;color:rgba(15,23,42,.72)}.footer-grid{display:grid;gap:14px;grid-template-columns:repeat(12,1fr);align-items:start}small{display:block;color:rgba(15,23,42,.65)}footer a{color:var(--link)}footer a:hover{color:var(--linkHover)}.pill{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--border);background:rgba(255,255,255,.70);padding:8px 12px;border-radius:999px}.pill .mini,.mini{width:8px;height:8px;flex:0 0 auto;border-radius:99px;background:var(--brand2);box-shadow:0 0 0 4px rgba(30,64,175,.12)}address{font-style:normal;line-height:1.55}@media (min-width:900px){.hero{padding:44px 0 24px}.hero-card{padding:30px}}@media (max-width:860px){h1{font-size:1.7rem}.span-4,.span-6,.span-8{grid-column:span 12}.links{width:100%;margin-left:0;justify-content:flex-start;gap:10px}.links a{font-size:.95rem}.content{padding:22px}.about-grid{grid-template-columns:1fr}}@media (max-width:760px){.article-table{display:block;overflow-x:auto;white-space:normal}.risk-diagram,.home-diagram,.library-map{padding:10px}}@media (max-width:520px){body{font-size:16px}.wrap{width:calc(100% - 28px)}.brand{width:100%}.brand a{max-width:calc(100vw - 130px)}.badge{font-size:.72rem;padding:3px 8px}.hero-card,.content,.card{padding:18px}.list li span.meta{display:block;margin-left:0;margin-top:3px}}