:root{--bg:#f8fafc;--ink:#172033;--muted:#5b6475;--brand:#0d9488;--brand2:#1d4ed8;--card:#ffffff;--line:#e2e8f0;--soft:#ecfeff;--warn:#fff7ed}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.65}a{color:var(--brand2);text-decoration:none}a:hover{text-decoration:underline}.wrap{max-width:1120px;margin:0 auto;padding:0 20px}.top{background:#ffffff;color:var(--ink);border-bottom:1px solid var(--line);box-shadow:0 1px 10px rgba(15,23,42,.04)}.nav{display:flex;align-items:center;justify-content:space-between;gap:22px;padding:16px 0}.logo{display:flex;align-items:center;gap:16px;color:#172033;font-weight:850;font-size:40px;letter-spacing:-.03em;line-height:1}.logo img{width:116px;height:116px;display:block;border-radius:50%;background:transparent;padding:0;box-shadow:none;object-fit:contain;flex:none}.links{display:flex;gap:22px;flex-wrap:wrap;align-items:center}.links a{color:#334155;font-size:18px;font-weight:750;line-height:1.2;padding:8px 0}.links a:hover{color:#1d4ed8;text-decoration:none}.hero{padding:58px 0 66px;background:linear-gradient(135deg,#0f172a 0%,#134e4a 52%,#1e3a8a 100%);color:white}.hero h1{font-size:clamp(34px,5vw,58px);line-height:1.05;margin:0 0 18px}.hero p{font-size:20px;max-width:780px;color:#e6fffb}.cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}.btn{display:inline-block;border-radius:999px;padding:12px 18px;font-weight:700}.btn.primary{background:#facc15;color:#111827}.btn.secondary{border:1px solid rgba(255,255,255,.5);color:white}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.two{display:grid;grid-template-columns:1.2fr .8fr;gap:24px}.section{padding:46px 0}.card{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:24px;box-shadow:0 8px 24px rgba(15,23,42,.05)}.card h3{margin-top:0}.pill{display:inline-block;background:#ccfbf1;color:#115e59;border-radius:999px;padding:4px 10px;font-size:12px;font-weight:800;letter-spacing:.04em;text-transform:uppercase}.muted{color:var(--muted)}.list-clean{padding-left:20px}.notice{background:var(--warn);border:1px solid #fed7aa;border-radius:18px;padding:18px}.tool{background:var(--soft);border:1px solid #99f6e4;border-radius:18px;padding:20px}.tool label{display:block;font-weight:700;margin:10px 0 4px}.tool input,.tool select,.tool textarea{width:100%;padding:11px;border:1px solid #cbd5e1;border-radius:10px;background:white}.result{margin-top:14px;background:white;border:1px solid var(--line);border-radius:14px;padding:14px}.footer{background:#0f172a;color:#cbd5e1;padding:38px 0;margin-top:50px}.footer a{color:#e0f2fe}.footer-brand{display:inline-flex;align-items:center;gap:16px;color:#ffffff!important;font-size:36px;font-weight:850;letter-spacing:-.03em;line-height:1}.footer-brand:hover{text-decoration:none}.footer-brand img{width:116px;height:116px;display:block;object-fit:contain;border-radius:50%;background:#ffffff;padding:0;flex:none}.article h1{font-size:40px;line-height:1.15}.article h2{margin-top:34px}.toc{background:#f1f5f9;border:1px solid var(--line);border-radius:18px;padding:18px}.adbox{border:2px dashed #cbd5e1;border-radius:16px;text-align:center;color:#64748b;padding:22px;background:#fff;margin:24px 0;font-size:14px}.table{width:100%;border-collapse:collapse;background:white}.table th,.table td{border:1px solid var(--line);padding:10px;text-align:left}.badge{font-size:13px;background:#e0f2fe;border-radius:999px;padding:4px 9px;display:inline-block;margin:4px 4px 0 0}@media(max-width:820px){.grid,.two{grid-template-columns:1fr}.nav{align-items:flex-start;flex-direction:column}.logo{font-size:30px}.logo img{width:78px;height:78px}.footer-brand{font-size:30px}.footer-brand img{width:78px;height:78px}.hero{padding:42px 0}.links{gap:16px}.links a{font-size:16px;padding:5px 0}.article h1{font-size:32px}}