:root{--bg:#f7f8fc;--card:#fff;--ink:#0f1b3d;--muted:#5b6478;--accent:#2563eb;--accent2:#f59e0b;--navy:#0f1b3d;--line:#e3e7f0;--radius:16px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.55}
a{color:var(--accent)}img{max-width:100%;height:auto}.wrap{max-width:1040px;margin:0 auto;padding:0 20px}.row{display:flex;align-items:center;justify-content:space-between;gap:14px}
.top{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}.top .wrap{height:62px}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:800;font-size:19px}.brand img{border-radius:9px}.brand sup{font-size:9px;margin-left:1px}
nav{display:flex;gap:14px;align-items:center}nav a{text-decoration:none;color:var(--ink);font-weight:600;font-size:15px}
.btn{display:inline-block;background:var(--accent);color:#fff!important;text-decoration:none;font-weight:800;padding:14px 22px;border-radius:999px;font-size:16px;box-shadow:0 6px 18px rgba(37,99,235,.25);border:0;cursor:pointer}.btn.gold{background:linear-gradient(135deg,#f59e0b,#f97316);box-shadow:0 6px 18px rgba(245,158,11,.3)}.btn.ghost{background:#fff;color:var(--accent)!important;border:2px solid var(--accent);box-shadow:none}.btn.small{padding:9px 16px;font-size:14px}.btn.big{font-size:18px;padding:16px 28px}
.hero{background:radial-gradient(1200px 500px at 50% -20%,#1e3a8a 0%,var(--navy) 60%);color:#fff;padding:56px 0 48px}.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:center}.hero h1{font-size:44px;line-height:1.08;margin:12px 0 14px;letter-spacing:-.5px}.hero p{font-size:18px;color:#dbe4ff;margin:0 0 22px}.badge{display:inline-block;background:var(--accent2);color:#1a1200;font-weight:800;font-size:13px;letter-spacing:.5px;padding:6px 12px;border-radius:999px;text-transform:uppercase}.cta{display:flex;gap:12px;flex-wrap:wrap}.cover{border-radius:18px;box-shadow:0 20px 50px rgba(0,0,0,.35)}.cover.ph{background:#13255b;border:2px dashed #3b5bb8;aspect-ratio:4/5;display:flex;align-items:center;justify-content:center;font-size:90px}
section{padding:46px 0}section h2{font-size:30px;margin:0 0 8px;letter-spacing:-.3px}section .lead{color:var(--muted);font-size:17px;margin:0 0 22px;max-width:700px}
.check{list-style:none;padding:0;margin:0;display:grid;gap:10px}.check li{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px;font-weight:700;display:flex;gap:12px;align-items:center}.check li:before{content:"✓";background:var(--navy);color:var(--accent2);border-radius:50%;width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;flex:none;font-weight:900}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px 20px}.card .ic{font-size:30px}.card h3{margin:8px 0 6px;font-size:18px}.card p{margin:0;color:var(--muted);font-size:15px}
.bridge{background:var(--navy);color:#fff;border-radius:22px;padding:34px 30px;display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:center}.bridge h2{color:#fff}.bridge>div:first-child p{color:#dbe4ff}.bridge .card h3{color:var(--ink)}.bridge .card p{color:var(--muted)}
.sample{background:#fff;border:1px solid var(--line);border-left:5px solid var(--accent2);border-radius:14px;padding:18px 20px;font-size:16px}.sample code{display:block;white-space:pre-wrap;font-family:inherit;background:#f1f4fb;padding:12px 14px;border-radius:10px;margin:10px 0}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;counter-reset:s}.steps div{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 16px;position:relative}.steps div:before{counter-increment:s;content:counter(s);display:inline-flex;width:30px;height:30px;border-radius:50%;background:var(--accent);color:#fff;font-weight:900;align-items:center;justify-content:center;margin-bottom:8px}.steps b{display:block;margin-bottom:4px}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin-bottom:10px}.faq summary{font-weight:700;cursor:pointer}.faq p{margin:10px 0 0;color:var(--muted)}
.kitgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.kit{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:grid;grid-template-columns:150px 1fr;text-decoration:none;color:var(--ink)}.kit img{width:150px;height:100%;object-fit:cover}.kit .ph{width:150px;background:#13255b;display:flex;align-items:center;justify-content:center;font-size:54px}.kit div.t{padding:16px 18px}.kit h3{margin:0 0 6px}.kit p{margin:0;color:var(--muted);font-size:14px}.kit .go{display:inline-block;margin-top:10px;font-weight:800;color:var(--accent)}
.band{text-align:center;background:linear-gradient(135deg,#eef3ff,#fff7e6);border:1px solid var(--line);border-radius:22px;padding:34px 24px}.band h2{margin-bottom:6px}
.muted{color:var(--muted)}.small{font-size:13px}.center{text-align:center}.legal h2{font-size:22px;margin-top:28px}.legal p,.legal li{color:#2b3550}
footer{border-top:1px solid var(--line);background:#fff;padding:34px 0 26px;margin-top:20px}.fgrid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:22px;font-size:14px}.fgrid a{color:var(--ink)}
@media(max-width:800px){.hero .wrap,.bridge,.kitgrid{grid-template-columns:1fr}.hero h1{font-size:32px}.cards,.steps{grid-template-columns:1fr}.fgrid{grid-template-columns:1fr}.hero .wrap>div:last-child{max-width:340px;margin:0 auto}nav a:not(.btn){display:none}}