:root{--bg:#f7fafc;--surface:#fff;--text:#172033;--muted:#667085;--brand:#176b87;--brand2:#6b5cff;--accent:#ffb84d;--border:#e5e7eb;--shadow:0 10px 30px rgba(23,32,51,.08);--radius:18px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);line-height:1.6}a{color:inherit;text-decoration:none}.container{width:min(1120px,92%);margin:auto}.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 0}.brand{font-weight:800;font-size:1.35rem;letter-spacing:-.02em}.brand span{color:var(--brand)}.nav-links{display:flex;gap:18px;align-items:center;color:#3c4659;font-size:.95rem}.nav-links a:hover{color:var(--brand)}.hero{padding:76px 0 48px;background:radial-gradient(circle at 10% 20%,rgba(107,92,255,.12),transparent 35%),radial-gradient(circle at 90% 10%,rgba(23,107,135,.14),transparent 30%)}.eyebrow{display:inline-flex;gap:8px;align-items:center;background:#eef7fa;color:var(--brand);padding:7px 11px;border-radius:999px;font-weight:700;font-size:.84rem}.hero h1{font-size:clamp(2.4rem,6vw,4.8rem);line-height:1.03;max-width:850px;margin:18px 0;letter-spacing:-.045em}.hero p{font-size:1.15rem;color:var(--muted);max-width:760px;margin:0}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:12px;padding:12px 17px;font-weight:750;cursor:pointer}.btn-primary{background:var(--brand);color:white}.btn-secondary{background:white;border:1px solid var(--border)}.section{padding:56px 0}.section h2{font-size:2rem;letter-spacing:-.03em;margin:0 0 10px}.section-lead{color:var(--muted);max-width:720px;margin:0 0 28px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}.card h3{margin:8px 0;font-size:1.08rem}.card p{margin:0;color:var(--muted);font-size:.95rem}.card .tag{display:inline-block;margin-top:14px;color:var(--brand);font-weight:700;font-size:.88rem}.tool-shell{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(260px,.7fr);gap:22px;align-items:start;margin-top:26px}.tool-panel,.result-panel{background:white;border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}.result-panel{position:sticky;top:90px}label{display:block;font-weight:700;margin:10px 0 7px}input,textarea,select{width:100%;border:1px solid #cfd5df;border-radius:12px;padding:11px 12px;font:inherit;background:white;color:var(--text)}textarea{min-height:220px;resize:vertical}.row{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:12px}.stat{border:1px solid var(--border);border-radius:12px;padding:13px;background:#fbfcfe}.stat strong{display:block;font-size:1.35rem}.stat span{font-size:.82rem;color:var(--muted)}.tool-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}.prose{background:white;border:1px solid var(--border);border-radius:var(--radius);padding:28px;margin-top:24px}.prose p,.prose li{color:#475467}.faq{border-top:1px solid var(--border);padding:15px 0}.faq:first-child{border-top:0}.footer{border-top:1px solid var(--border);padding:34px 0 44px;color:var(--muted);background:white}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:24px}.small{font-size:.9rem;color:var(--muted)}.notice{padding:12px 14px;border-radius:12px;background:#fff8e8;border:1px solid #f7d791;color:#694b12;font-size:.9rem}.searchbox{max-width:520px;margin-top:24px}.pill{display:inline-block;background:#eef7fa;color:var(--brand);font-size:.78rem;font-weight:700;padding:5px 9px;border-radius:999px}table{width:100%;border-collapse:collapse;margin-top:12px}th,td{text-align:left;border-bottom:1px solid var(--border);padding:10px}.timer{font-size:3.6rem;font-weight:800;letter-spacing:-.05em;text-align:center;padding:18px 0}.hidden{display:none!important}@media(max-width:850px){.grid{grid-template-columns:1fr 1fr}.tool-shell{grid-template-columns:1fr}.result-panel{position:static}.nav-links{display:none}}@media(max-width:560px){.grid,.row,.footer-grid{grid-template-columns:1fr}.hero{padding-top:48px}.hero h1{font-size:2.7rem}}