:root{--ink:#102327;--muted:#5f6f73;--line:#dbe6e3;--bg:#f5f8f6;--card:#fff;--teal:#0f5e63;--teal-dark:#0b4549;--mint:#dff0eb;--amber:#f59e0b;--amber-soft:#fff5d8;--shadow:0 18px 45px rgba(16,35,39,.09);--radius:22px;--max:1180px}*{box-sizing:border-box}html{min-height:100%}html{scroll-behavior:smooth}body{min-height:100vh;display:flex;flex-direction:column;margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg);line-height:1.65}main#main-content{flex:1 0 auto}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.container{width:min(var(--max),calc(100% - 40px));margin-inline:auto}.skip-link{position:absolute;left:-999px;top:auto}.skip-link:focus{left:20px;top:12px;z-index:20;background:#fff;padding:10px 14px;border-radius:10px}.site-header{position:sticky;top:0;z-index:10;background:rgba(245,248,246,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:16px 0}.brand{display:flex;align-items:center;gap:12px}.brand-mark{display:grid;place-items:center;width:44px;height:44px;border-radius:14px;background:linear-gradient(135deg,var(--teal),#168f8a);color:#fff;font-weight:800;letter-spacing:.04em}.brand-text{display:flex;flex-direction:column;line-height:1.15}.brand-text small{color:var(--muted);font-size:.78rem;margin-top:2px}.main-nav{display:flex;align-items:center;gap:18px;font-weight:700;font-size:.95rem}.main-nav a{color:#294145}.main-nav a:hover{color:var(--teal)}.hero{padding:78px 0 58px;background:radial-gradient(circle at 78% 20%,#d5ede9 0,transparent 34%),linear-gradient(180deg,#fff 0%,var(--bg) 100%)}.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(320px,.85fr);gap:42px;align-items:center}.eyebrow{text-transform:uppercase;letter-spacing:.13em;font-weight:800;color:var(--teal);font-size:.78rem;margin:0 0 12px}.hero h1,.page-hero h1{font-size:clamp(2.5rem,5vw,5.2rem);line-height:.98;margin:0 0 22px;letter-spacing:-.055em}.lead{font-size:1.18rem;color:#405559;max-width:760px;margin:0 0 28px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:13px 19px;font-weight:800;border:1px solid transparent}.button.primary{background:var(--teal);color:#fff;box-shadow:0 12px 26px rgba(15,94,99,.22)}.button.primary:hover{background:var(--teal-dark)}.button.secondary{background:#fff;border-color:var(--line);color:var(--teal)}.hero-panel{background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:var(--radius);padding:28px}.panel-topline{font-weight:900;margin-bottom:12px}.hero-panel ol{margin:0;padding-left:22px}.hero-panel li{margin:10px 0;color:#32484c}.section-block{padding:64px 0}.section-heading{max-width:760px;margin-bottom:28px}.section-heading h2,.mission-block h2,.feature-grid strong{font-size:clamp(1.8rem,3vw,2.8rem);line-height:1.06;letter-spacing:-.04em;margin:0 0 12px}.section-heading p{color:var(--muted);margin:0}.split{display:flex;align-items:end;justify-content:space-between;gap:20px;max-width:none}.text-link{font-weight:900;color:var(--teal);border-bottom:2px solid var(--teal)}.category-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px}.category-grid.expanded{grid-template-columns:repeat(3,minmax(0,1fr))}.category-card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:20px;min-height:220px;display:flex;flex-direction:column;gap:11px;box-shadow:0 10px 24px rgba(16,35,39,.04);transition:transform .2s ease,box-shadow .2s ease}.category-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.category-icon{width:42px;height:42px;display:grid;place-items:center;border-radius:14px;background:var(--mint);color:var(--teal);font-weight:900}.category-card 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img{transform:scale(1.04)}.card-body{padding:18px}.meta-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;color:var(--muted);font-size:.84rem;font-weight:700}.badge{display:inline-flex;align-items:center;border-radius:999px;background:var(--amber-soft);color:#8a5300;padding:5px 10px;font-size:.76rem;font-weight:900}.card h2{font-size:1.18rem;line-height:1.25;margin:12px 0 10px;letter-spacing:-.02em}.card h2 a:hover{color:var(--teal)}.card p{margin:0;color:var(--muted);font-size:.95rem}.mission-block{margin:28px auto 76px;padding:34px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);display:grid;grid-template-columns:.9fr 1.1fr;gap:30px;box-shadow:var(--shadow)}.mission-block p:last-child{margin:0;color:#405559}.page-hero{padding:58px 0;background:#fff;border-bottom:1px solid var(--line)}.page-hero.compact h1{font-size:clamp(2.2rem,4vw,4rem)}.breadcrumbs{display:flex;gap:9px;align-items:center;flex-wrap:wrap;color:var(--muted);font-weight:800;font-size:.9rem;margin-bottom:18px}.breadcrumbs a{color:var(--teal)}.archive-layout{display:grid;grid-template-columns:260px minmax(0,1fr);gap:30px;padding:44px 0 72px}.archive-sidebar{position:sticky;top:86px;align-self:start;background:#fff;border:1px solid var(--line);border-radius:20px;padding:20px}.archive-sidebar h2{font-size:1rem;margin:0 0 12px}.archive-sidebar nav{display:grid;gap:8px}.archive-sidebar a{color:#405559;font-weight:800;padding:8px 10px;border-radius:12px}.archive-sidebar a:hover,.archive-sidebar a.active{background:var(--mint);color:var(--teal)}.archive-summary{margin-bottom:18px;color:var(--muted);font-weight:800}.list-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.pagination{display:flex;gap:10px;justify-content:center;list-style:none;padding:28px 0 0;margin:0}.pagination a,.pagination 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0}.toc-wrap{position:relative}.toc-card{position:sticky;top:94px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;max-height:calc(100vh - 120px);overflow:auto}.toc-card strong{display:block;margin-bottom:10px}.toc-card nav ul{list-style:none;padding-left:0;margin:0}.toc-card nav ul ul{padding-left:12px;margin-top:6px}.toc-card a{display:block;color:#50666a;font-size:.9rem;padding:4px 0}.toc-card a:hover{color:var(--teal)}.article-content{font-size:1.05rem}.article-content h2{font-size:2rem;line-height:1.15;letter-spacing:-.035em;margin:42px 0 14px}.article-content h3{font-size:1.35rem;line-height:1.25;margin:28px 0 10px}.article-content p{margin:0 0 18px}.article-content a{color:var(--teal);font-weight:800;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}.article-content ul,.article-content ol{padding-left:24px}.article-content li{margin:8px 0}.article-content table{width:100%;border-collapse:collapse;margin:24px 0;background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 0 0 1px var(--line)}.article-content th,.article-content td{padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top}.article-content th{background:var(--mint);text-align:left}.article-content blockquote{margin:24px 0;padding:18px 20px;border-left:5px solid var(--teal);background:#fff;border-radius:0 16px 16px 0;color:#405559}.disclaimer-box,.article-taxonomy{margin-top:38px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px}.disclaimer-box h2,.article-taxonomy h2{font-size:1.35rem;margin:0 0 10px}.tag-list{display:flex;flex-wrap:wrap;gap:10px}.tag-list a,.tag-list span{border:1px solid var(--line);border-radius:999px;padding:7px 12px;font-size:.88rem;font-weight:800;background:#fff}.related-section{padding:16px 0 80px}.page-content{max-width:840px;padding:44px 0 76px}.sitemap-page{padding:44px 0 76px}.sitemap-page a{color:var(--teal);font-weight:800}.site-footer{flex-shrink:0;background:#102327;color:#d9e7e4;padding:46px 0 22px}.footer-grid{display:grid;grid-template-columns:1.4fr .8fr 1fr;gap:34px}.footer-brand .brand-mark{background:#fff;color:var(--teal)}.site-footer p{color:#b8cac6;margin:14px 0 0}.site-footer h2{font-size:1rem;color:#fff;margin:0 0 12px}.footer-links{display:grid;gap:8px}.footer-links a{color:#d9e7e4;font-weight:700}.footer-links a:hover{color:#fff}.copyright{border-top:1px solid rgba(255,255,255,.13);margin-top:32px;padding-top:18px;color:#a7bbb7;font-size:.9rem}@media (max-width:980px){.main-nav{display:none}.hero-grid,.article-header-grid,.article-layout,.archive-layout,.mission-block,.footer-grid{grid-template-columns:1fr}.category-grid,.category-grid.expanded,.article-grid,.list-grid,.feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.toc-card{position:static}.article-layout{padding-top:28px}.archive-sidebar{position:static}.hero{padding-top:48px}}@media (max-width:640px){.container{width:min(100% - 26px,var(--max))}.category-grid,.category-grid.expanded,.article-grid,.list-grid,.feature-grid{grid-template-columns:1fr}.hero-actions{display:grid}.button{width:100%}.hero h1,.page-hero.compact h1,.article-header h1{letter-spacing:-.04em}.section-block{padding:44px 0}.article-content h2{font-size:1.65rem}.header-inner{padding:12px 0}.brand-text small{display:none}}