:root{--ink:#172033;--muted:#62708a;--blue:#1769e0;--soft:#eef5ff;--border:#d8e0ea;--bg:#f7f9fc;--white:#fff;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}*{box-sizing:border-box}body{margin:0;background:linear-gradient(180deg,#f9fbff,#f5f8fc);color:var(--ink);line-height:1.65}a{color:var(--blue)}.site-header{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px max(20px,calc((100% - 1160px)/2));background:rgba(255,255,255,.95);border-bottom:1px solid var(--border);backdrop-filter:blur(14px)}.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-weight:850}.brand img{width:40px;height:40px}.site-header nav{display:flex;gap:16px;align-items:center}.site-header nav a{text-decoration:none;font-weight:700;font-size:14px}.site-header .open{padding:9px 13px;border-radius:10px;background:var(--blue);color:white}.hero,.content,.related{width:min(1120px,calc(100% - 32px));margin:0 auto}.hero{padding:76px 0 42px;display:grid;grid-template-columns:minmax(0,1.35fr) minmax(300px,.65fr);gap:34px;align-items:center}.eyebrow{color:var(--blue);font-size:12px;font-weight:850;letter-spacing:.1em}.hero h1{font-size:clamp(38px,6vw,68px);line-height:1.02;letter-spacing:-.055em;margin:10px 0 18px}.hero p{font-size:18px;color:var(--muted);max-width:760px}.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 16px;border:1px solid var(--border);border-radius:12px;background:white;text-decoration:none;font-weight:800}.btn.primary{background:var(--blue);border-color:var(--blue);color:white}.tool-preview{padding:24px;border:1px solid #cfe0f4;border-radius:24px;background:linear-gradient(145deg,#fff,#eaf3ff);box-shadow:0 20px 48px rgba(29,52,84,.12)}.tool-preview strong{display:block;font-size:22px;margin-bottom:10px}.tool-preview code{display:block;padding:14px;border-radius:12px;background:#172033;color:#eef5ff;white-space:pre-wrap}.content{display:grid;grid-template-columns:1fr 1fr;gap:18px;padding:14px 0 52px}.card{padding:26px;border:1px solid var(--border);border-radius:18px;background:var(--white);box-shadow:0 8px 24px rgba(29,52,84,.06)}.card h2,.card h3{margin-top:0;line-height:1.2}.steps{counter-reset:item;padding:0;list-style:none}.steps li{counter-increment:item;position:relative;padding-left:42px;margin:14px 0}.steps li:before{content:counter(item);position:absolute;left:0;top:0;width:28px;height:28px;display:grid;place-items:center;border-radius:50%;background:var(--soft);color:var(--blue);font-weight:850}.related{padding:0 0 72px}.related-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.related-grid a{padding:16px;border:1px solid var(--border);border-radius:14px;background:white;text-decoration:none;font-weight:800}.faq details{border-top:1px solid var(--border);padding:12px 0}.faq summary{cursor:pointer;font-weight:800}footer{padding:26px 20px;border-top:1px solid var(--border);text-align:center;color:var(--muted);background:white}@media(max-width:800px){.site-header nav a:not(.open){display:none}.hero{grid-template-columns:1fr;padding-top:44px}.content{grid-template-columns:1fr}.related-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:520px){.hero,.content,.related{width:min(100% - 20px,1120px)}.hero h1{font-size:40px}.related-grid{grid-template-columns:1fr}.site-header{padding:10px}.brand span{font-size:14px}}