:root{--bg:#fffdfb;--ink:#0b1220;--muted:#5b6b85;--ring:#ece6f2;--card:#ffffff;--primary:#ff2a55;--secondary:#0b57d0;}
*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font:16px/1.6 Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial}
a{color:var(--secondary);text-decoration:none}.wrap{max-width:1120px;margin:0 auto;padding:20px}
header.nav{display:flex;justify-content:space-between;align-items:center}.brand img{height:44px}nav a{color:var(--muted);margin-left:14px}
.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:22px;align-items:center;margin-top:16px}.hero .panel{background:var(--card);border:1px solid var(--ring);border-radius:16px;padding:24px}
h1{margin:0 0 10px;font-size:clamp(30px,4.8vw,50px);line-height:1.05}.lead{color:var(--muted);margin:8px 0 16px}
.btn{display:inline-block;padding:12px 16px;border-radius:10px;border:1px solid var(--ring)}.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}
.kv{border:1px solid var(--ring);border-radius:16px;overflow:hidden}.kv img{width:100%;height:auto;display:block}
.section{margin-top:22px}.card{background:var(--card);border:1px solid var(--ring);border-radius:14px;padding:18px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.price{font-size:18px;color:#5b6b85;margin:6px 0 10px}.buy{display:inline-block;background:var(--primary);color:#fff;border:none;padding:12px 16px;border-radius:10px}
.note{color:var(--muted)}.footer{border-top:1px solid var(--ring);margin-top:28px;padding:18px;color:var(--muted);font-size:14px;text-align:center}
.stepcards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.step{background:var(--card);border:1px solid var(--ring);border-radius:12px;padding:14px}.step h3{margin:6px 0 4px;font-size:18px}
.icon{height:56px;display:flex;align-items:center;justify-content:center;border:1px dashed #ffd7e2;border-radius:12px;background:#fff5f7}
@media (max-width:900px){.hero{grid-template-columns:1fr}.grid4{grid-template-columns:1fr 1fr}.grid3{grid-template-columns:1fr}.stepcards{grid-template-columns:1fr}}