:root{--bg: #ffffff;--surface: #f7f8fb;--surface-2: #eef2f8;--text: #16202a;--muted: #5a6878;--border: #d7deea;--accent: #3c5cff;--accent-soft: #edf1ff;--warn: #fff7d6;--danger: #fdecec;--success: #ecfbf1;--max: 1120px;--radius: 16px;--shadow: 0 10px 30px rgba(15, 23, 42, .06)}*{box-sizing:border-box}html{font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.7;color:var(--text);background:var(--bg)}body{margin:0}img{max-width:100%;height:auto}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}code,pre{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.container{width:min(calc(100% - 2rem),var(--max));margin:0 auto}.section{padding:2rem 0}.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.grid{display:grid;gap:1.25rem}.grid-3{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}.pill{display:inline-flex;align-items:center;gap:.4rem;padding:.35rem .7rem;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-size:.88rem;font-weight:600}.muted{color:var(--muted)}h1,h2,h3{line-height:1.22;letter-spacing:-.02em}h1{font-size:clamp(2rem,3.4vw,3.2rem);margin-bottom:1rem}h2{font-size:clamp(1.5rem,2.4vw,2rem);margin-top:2.5rem}h3{font-size:1.2rem;margin-top:1.6rem}article{font-size:1.04rem}article p,article ul,article ol{margin:1rem 0}article table{width:100%;border-collapse:collapse;margin:1.25rem 0;overflow:hidden}article th,article td{border:1px solid var(--border);padding:.8rem;vertical-align:top}article thead th{background:var(--surface);text-align:left}article pre{border-radius:14px;padding:1rem;overflow-x:auto}article blockquote{margin:1.25rem 0;padding:.8rem 1rem;border-left:4px solid var(--accent);background:var(--surface);color:var(--muted)}header.site{position:sticky;top:0;z-index:5;border-bottom:1px solid var(--border);background:#ffffffeb;backdrop-filter:blur(10px)}.site-title{font-weight:800;color:var(--text);text-decoration:none;font-size:clamp(1.2rem,2.6vw,1.65rem);letter-spacing:-.03em;line-height:1.15;border:none;box-shadow:none;-webkit-tap-highlight-color:transparent}.site-title:hover{text-decoration:none;color:var(--accent)}.site-title:focus{outline:none}.site-title:focus-visible{outline:2px solid var(--accent);outline-offset:4px;border-radius:4px}header.site .inner,footer.site .inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:76px}nav.primary{display:flex;flex-wrap:wrap;gap:1rem}.hero{padding:3rem 0 1.25rem}.hero-visual{margin-bottom:1.25rem;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow)}.hero-visual img{display:block;width:100%;max-height:min(42vw,320px);object-fit:cover;object-position:center}.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:1.5rem}.hero-grid--post{grid-template-columns:minmax(0,1fr)}.hero .summary{padding:1rem 1.1rem;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius)}.meta-row{display:flex;flex-wrap:wrap;gap:.7rem 1rem;font-size:.94rem;color:var(--muted)}.kpi-list{list-style:none;padding:0;margin:0}.kpi-list li{padding:.8rem 0;border-top:1px solid var(--border)}.kpi-list li:first-child{border-top:0}.article-card{padding:1.2rem}.article-card h3{margin:.4rem 0 .6rem}.callout{padding:1rem 1.1rem;border-radius:14px;border:1px solid var(--border);margin:1rem 0}.callout.info{background:var(--surface)}.callout.warn{background:var(--warn)}.callout.success{background:var(--success)}.callout.danger{background:var(--danger)}.faq-item+.faq-item{margin-top:.8rem}.faq-item summary{cursor:pointer;font-weight:700;padding:1rem;background:var(--surface);border-radius:12px;border:1px solid var(--border)}.faq-item .answer{padding:.8rem 1rem 0}.footer-links{display:flex;flex-wrap:wrap;gap:.8rem}.term-card{padding:1.1rem}.term-list{display:flex;flex-wrap:wrap;gap:.5rem}.breadcrumbs{margin-bottom:1rem;font-size:.94rem;color:var(--muted)}.breadcrumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:.45rem;padding:0;margin:0}.breadcrumbs li{display:inline-flex;align-items:center;gap:.45rem}.breadcrumbs li:not(:last-child):after{content:"/";color:var(--border)}@media(max-width:860px){.hero-grid{grid-template-columns:1fr}header.site .inner,footer.site .inner{min-height:64px;align-items:flex-start;flex-direction:column;padding:.8rem 0}}