*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Segoe UI,system-ui,-apple-system,sans-serif;line-height:1.6}a{color:var(--accent-2);text-decoration:none}a:hover{text-decoration:underline}header.site-header{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(6px);border-bottom:1px solid var(--border)}.header-inner{max-width:1100px;margin:0 auto;padding:.7rem 1rem;display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}.brand{font-weight:700;font-size:1.15rem;color:var(--accent);letter-spacing:.3px}nav.main-nav{display:flex;gap:.25rem;flex-wrap:wrap}nav.main-nav a{color:var(--muted);padding:.3rem .7rem;border-radius:8px;font-size:.95rem}nav.main-nav a:hover{color:var(--text);background:var(--bg-soft);text-decoration:none}nav.main-nav a.navtool{color:var(--accent);border:1px solid color-mix(in srgb,var(--accent) 45%,transparent);background:color-mix(in srgb,var(--accent) 12%,transparent);font-weight:600}nav.main-nav a.navtool:hover{background:color-mix(in srgb,var(--accent) 22%,transparent)}.icon-h1{display:flex;align-items:center;gap:.6rem;flex-wrap:wrap}.icon-h1 img{width:52px;height:52px;object-fit:contain;flex:none}.related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:.75rem}a.related-card{display:flex;align-items:center;gap:.7rem;background:var(--card);border:1px solid var(--border);border-radius:10px;padding:.7rem .85rem;color:inherit;transition:border-color .15s ease,transform .15s ease}a.related-card:hover{border-color:var(--accent);transform:translateY(-2px);text-decoration:none}a.related-card img{width:38px;height:38px;object-fit:contain;flex:none}a.related-card .rc-title{font-weight:600;font-size:.95rem}a.related-card .rc-sub{color:var(--muted);font-size:.82rem}a.related-card.tool-card{border-color:color-mix(in srgb,var(--accent) 55%,var(--border));background:color-mix(in srgb,var(--accent) 10%,var(--card))}a.related-card.tool-card .rc-badge{display:inline-block;background:var(--accent);color:var(--bg);border-radius:999px;padding:.05rem .5rem;font-size:.7rem;font-weight:700;margin-left:.4rem;vertical-align:middle}main{max-width:1100px;margin:0 auto;padding:1.5rem 1rem 3rem}footer.site-footer{border-top:1px solid var(--border);padding:1.5rem 1rem;color:var(--muted);font-size:.85rem;text-align:center}h1{font-size:clamp(1.8rem,4vw,2.6rem);margin:0 0 .5rem}h2{margin:2rem 0 .75rem}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:1.25rem}.grid{display:grid;gap:1rem}.grid-3{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}.grid-2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}.tag{display:inline-block;background:var(--bg-soft);border:1px solid var(--border);color:var(--muted);border-radius:999px;padding:.15rem .6rem;font-size:.78rem}table{width:100%;border-collapse:collapse;background:var(--card);border-radius:10px;overflow:hidden;font-size:.92rem}th,td{padding:.55rem .7rem;text-align:left;border-bottom:1px solid var(--border)}th{background:var(--bg-soft);color:var(--muted);font-weight:600}tr:last-child td{border-bottom:none}input,select,button{font:inherit;color:var(--text);background:var(--bg-soft);border:1px solid var(--border);border-radius:8px;padding:.5rem .75rem}button{background:var(--accent);color:var(--bg);font-weight:600;cursor:pointer}button:hover{filter:brightness(1.08)}.muted{color:var(--muted)}.answer-card{background:color-mix(in srgb,var(--accent) 8%,var(--card));border-color:color-mix(in srgb,var(--accent) 30%,var(--border))}.stat-row{display:flex;gap:1.25rem;flex-wrap:wrap}.stat-num{font-size:1.7rem;font-weight:700;color:var(--text);line-height:1.15}.stat-label{font-size:.78rem;color:var(--muted);text-transform:uppercase;letter-spacing:.4px}.toc{background:var(--bg-soft);border:1px solid var(--border);border-radius:10px;padding:1rem 1.25rem}.toc ul{margin:.4rem 0 0;padding-left:1.2rem}@media(max-width:640px){.header-inner{flex-direction:column;align-items:flex-start}}
