:root{--bg:#f7f8fc;--surface:#fff;--text:#172033;--muted:#687386;--line:#e3e7ef;--brand:#5b5cf0;--brand2:#7c3aed;--good:#0f9d68;--shadow:0 12px 35px rgba(20,28,55,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.65}a{color:inherit}.wrap{width:min(1120px,92%);margin:auto}.site-header{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.nav{min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px}.logo{font-size:21px;font-weight:850;text-decoration:none}.logo span{color:var(--brand)}nav{display:flex;gap:18px;align-items:center}nav a{text-decoration:none;color:var(--muted);font-weight:650}.theme{border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:7px 10px;cursor:pointer}.hero{padding:72px 0 40px;text-align:center}.eyebrow{font-size:12px;letter-spacing:.14em;font-weight:800;color:var(--brand);margin-bottom:8px}h1{font-size:clamp(34px,6vw,60px);line-height:1.05;margin:8px 0 18px}h2{line-height:1.2;margin:12px 0 18px}h3{line-height:1.25}.hero>p{max-width:760px;margin:0 auto 30px;color:var(--muted);font-size:18px}.tool-card{max-width:780px;margin:auto;text-align:left;background:var(--surface);padding:28px;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow)}label{font-weight:750;display:block}input,textarea,select{width:100%;padding:13px 14px;border:1px solid #cfd5e2;border-radius:11px;background:var(--surface);color:var(--text);font:inherit;margin:8px 0 15px}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:15px}.primary{border:0;border-radius:11px;padding:13px 20px;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;font-weight:800;cursor:pointer}.result{margin-top:20px;padding:22px;border-radius:16px;background:#f1f3ff;border:1px solid #dfe2ff}.score{font-size:44px;font-weight:900;color:var(--brand)}.wrap.info{padding:42px 0}.three{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:0 6px 22px rgba(20,28,55,.04)}.tool-grid .card{text-decoration:none}.tool-grid .card:hover{transform:translateY(-2px);transition:.15s}.tool-icon{font-size:30px}.muted{color:var(--muted)}.content-guide ol{padding-left:22px}.faq details{background:var(--surface);border:1px solid var(--line);border-radius:12px;margin:9px 0;padding:14px 16px}.faq summary{font-weight:750;cursor:pointer}.ad-slot{min-height:90px;border:1px dashed #cbd1dc;border-radius:12px;display:grid;place-items:center;color:#8a93a4;margin:22px 0}.site-footer{margin-top:50px;background:#101522;color:#d8deea}.footer{padding:42px 0;display:flex;justify-content:space-between;gap:30px}.footer-links{display:flex;gap:18px;flex-wrap:wrap}.footer a{text-decoration:none}.legal{max-width:850px;padding:55px 0}.dark{--bg:#0e1420;--surface:#151c29;--text:#edf1f8;--muted:#aeb7c8;--line:#293244}.dark .site-header{background:rgba(14,20,32,.92)}.dark .result{background:#1a2040;border-color:#313a72}
@media(max-width:800px){nav a{display:none}.three,.grid2{grid-template-columns:1fr}.hero{padding-top:45px}.tool-card{padding:20px}.footer{flex-direction:column}}