:root{--bg:#f7f8fc;--text:#172033;--muted:#5f6b7a;--brand:#6c3df4;--brand2:#ff3d8b;--card:#fff;--line:#e7e9f0;--shadow:0 18px 45px rgba(28,32,48,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.65}.container{width:min(1120px,92%);margin:auto}.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:16px;background:#fff;padding:10px;border-radius:8px;z-index:9}.site-header{position:sticky;top:0;background:rgba(255,255,255,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);z-index:5}.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0}.logo{font-weight:800;font-size:1.05rem;color:var(--text);text-decoration:none}.logo span{color:var(--brand)}.menu{display:flex;gap:20px;align-items:center}.menu a{color:var(--text);text-decoration:none;font-weight:600;font-size:.95rem}.menu a:hover{color:var(--brand)}.btn{display:inline-block;border:0;border-radius:999px;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff!important;padding:12px 20px;text-decoration:none;font-weight:800;cursor:pointer;box-shadow:0 12px 28px rgba(108,61,244,.24)}.btn.secondary{background:#fff;color:var(--brand)!important;border:1px solid var(--line);box-shadow:none}.hero{padding:72px 0 34px;background:radial-gradient(circle at 20% 10%,rgba(108,61,244,.15),transparent 30%),radial-gradient(circle at 85% 20%,rgba(255,61,139,.16),transparent 30%)}.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:34px;align-items:center}.eyebrow{color:var(--brand);font-weight:800;text-transform:uppercase;letter-spacing:.08em;font-size:.78rem}.hero h1{font-size:clamp(2.1rem,5vw,4.4rem);line-height:1.06;margin:10px 0 18px}.lead{font-size:1.12rem;color:var(--muted);max-width:680px}.hero-card,.card,.tool-card{background:var(--card);border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow);padding:26px}.hero-card img{width:100%;height:auto;border-radius:22px;background:linear-gradient(135deg,#ede7ff,#ffe9f2)}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:20px}.stat{background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px;text-align:center}.stat strong{display:block;font-size:1.25rem}.section{padding:56px 0}.section-title{text-align:center;max-width:760px;margin:0 auto 30px}.section-title h2{font-size:clamp(1.7rem,3vw,2.5rem);margin:0 0 8px}.section-title p{color:var(--muted);margin:0}.tool-card{max-width:900px;margin:auto}.form-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}label{font-weight:800;display:block;margin-bottom:6px}input{width:100%;border:1px solid var(--line);border-radius:16px;padding:14px 15px;font-size:1rem;background:#fff}.result{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:20px}.result-box{background:#f7f3ff;border:1px solid #ded3ff;border-radius:20px;padding:18px}.result-box strong{display:block;font-size:2rem;color:var(--brand)}.note{font-size:.94rem;color:var(--muted);margin-top:12px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.feature,.post-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:0 12px 30px rgba(28,32,48,.05)}.feature h3,.post-card h3{margin-top:0}.post-card a{font-weight:800;color:var(--brand);text-decoration:none}.cta{background:linear-gradient(135deg,#24134d,#6c3df4);color:#fff;border-radius:32px;padding:42px;text-align:center}.cta p{color:#ebe6ff}.site-footer{background:#111827;color:#cdd5e1;padding:34px 0;margin-top:30px}.footer-grid{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.site-footer a{color:#fff;text-decoration:none;margin-right:14px}.blog-hero{padding:54px 0;background:#fff;border-bottom:1px solid var(--line)}.article{max-width:850px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:28px;padding:34px;box-shadow:var(--shadow)}.article h1{font-size:clamp(2rem,4vw,3.2rem);line-height:1.12}.article h2{margin-top:34px}.article a{color:var(--brand);font-weight:800}.breadcrumb{font-size:.92rem;color:var(--muted)}.placeholder{border:2px dashed #cbd5e1;border-radius:22px;padding:26px;text-align:center;color:var(--muted);background:#fbfcff}.toc{background:#f8fafc;border:1px solid var(--line);border-radius:20px;padding:18px}.toc a{display:block;margin:6px 0}.related{margin-top:28px;padding-top:22px;border-top:1px solid var(--line)}@media (max-width:850px){.hero-grid,.form-grid,.result,.grid-3,.grid-4{grid-template-columns:1fr}.menu{gap:10px;flex-wrap:wrap;justify-content:flex-end}.menu a{font-size:.86rem}.hero{padding-top:42px}.cta{padding:28px}.article{padding:22px}.stats{grid-template-columns:1fr}}