:root{--ink:#17212b;--muted:#5d6b77;--line:#d7dee6;--bg:#f6f8f7;--panel:#fff;--accent:#0f766e;--accent2:#b45309;--soft:#e7f4f1}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink);line-height:1.55}a{color:#0f5f59;text-decoration:none}a:hover{text-decoration:underline}.site-header{position:sticky;top:0;z-index:5;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:14px clamp(16px,4vw,48px)}.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--ink)}.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:8px;background:var(--ink);color:#fff}nav{display:flex;gap:18px;flex-wrap:wrap}nav a{color:var(--muted);font-weight:650;font-size:.94rem}.hero{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(280px,.8fr);gap:42px;align-items:center;padding:clamp(44px,8vw,86px) clamp(16px,5vw,72px) 42px;background:linear-gradient(180deg,#fff 0%,#f2f6f5 100%);border-bottom:1px solid var(--line)}.eyebrow{text-transform:uppercase;letter-spacing:.08em;color:var(--accent2);font-weight:800;font-size:.8rem}.hero h1{font-size:clamp(2rem,4.8vw,4.8rem);line-height:1.02;margin:.2rem 0 1rem;letter-spacing:0}.dek{font-size:clamp(1.05rem,1.6vw,1.25rem);color:var(--muted);max-width:780px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:10px 16px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);font-weight:750}.button.primary{background:var(--accent);border-color:var(--accent);color:#fff}.hero-panel{background:#fff;border:1px solid var(--line);border-radius:8px;padding:16px;box-shadow:0 18px 50px rgba(23,33,43,.08)}.hero-panel svg{width:100%;height:auto;display:block}.tool-section,.band{margin:28px auto;padding:clamp(20px,4vw,34px);max-width:1180px;background:var(--panel);border:1px solid var(--line);border-radius:8px}.section-head{display:flex;justify-content:space-between;gap:20px;align-items:end}.section-head p{max-width:620px;color:var(--muted)}h2{font-size:clamp(1.35rem,2.4vw,2rem);line-height:1.16;margin:0 0 14px}.search-box{display:block;margin:18px 0}.search-box span,label span{display:block;color:var(--muted);font-weight:700;margin-bottom:6px}input,select{width:100%;min-height:42px;border:1px solid var(--line);border-radius:8px;padding:9px 11px;background:#fff;color:var(--ink);font:inherit}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:8px;background:#fff}table{width:100%;border-collapse:collapse;min-width:720px}th,td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top}th{background:#eef5f3;font-size:.9rem}tr:last-child td{border-bottom:0}.note{margin-top:16px;background:#fff7ed;border:1px solid #fed7aa;border-radius:8px;padding:14px;color:#63320a}.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}.card,.quick-card{border:1px solid var(--line);border-radius:8px;background:#fff;padding:16px}.link-card{display:flex;flex-direction:column;gap:8px;color:var(--ink)}.link-card span,.quick-card small{color:var(--muted)}.quick-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px}.quick-card{display:flex;flex-direction:column;gap:5px}.quick-card strong{font-size:1.45rem;color:var(--accent)}.split{display:grid;grid-template-columns:1fr 1fr;gap:26px}.check-list{padding-left:1.2rem;margin:0}.check-list li{margin:.45rem 0}.article{max-width:920px}.answer-box{display:grid;gap:4px;border-left:6px solid var(--accent);background:var(--soft);padding:18px;border-radius:8px}.answer-box strong{font-size:2.3rem}.calc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;align-items:end}output{display:block;margin-top:14px;padding:14px;border-radius:8px;background:#eef5f3;font-weight:750}.site-footer{display:flex;justify-content:space-between;gap:24px;align-items:flex-start;padding:34px clamp(16px,5vw,72px);border-top:1px solid var(--line);color:var(--muted);background:#fff}.footer-links{display:flex;gap:14px;flex-wrap:wrap}@media(max-width:760px){.site-header{align-items:flex-start;gap:12px;flex-direction:column}.hero,.split{grid-template-columns:1fr}.section-head{display:block}table{min-width:640px}.site-footer{display:block}.hero h1{font-size:2.2rem}}@media print{.site-header,.site-footer,.hero-actions,.no-print{display:none!important}body{background:#fff}.hero,.tool-section,.band{border:0;box-shadow:none;margin:0;padding:10px}.hero{display:block}.hero-panel{display:none}table{font-size:10pt;min-width:0}th,td{padding:5px}.note{border:1px solid #999;background:#fff}}