:root{--brand:#0f172a;--accent:#38bdf8;--ink:#14161a;--muted:#5b6170;--line:#e4e6eb;--bg:#f7f8fa}
*{box-sizing:border-box}body{margin:0;font:16px/1.55 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--ink)}
a{color:inherit}.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
.top{background:var(--brand);color:#fff}.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px;flex-wrap:wrap}
.logo{font-weight:800;font-size:22px;letter-spacing:-.02em;text-decoration:none}.logo span{color:var(--accent)}
.top nav{display:flex;gap:18px;flex-wrap:wrap;font-size:15px}.top nav a{text-decoration:none;opacity:.9}
.strip{background:var(--accent);color:var(--brand);font-weight:700;text-align:center;padding:8px 12px;font-size:14px}
.hero{padding:40px 0 24px}.hero h1{font-size:clamp(28px,5vw,44px);line-height:1.1;margin:0 0 10px;letter-spacing:-.02em}.hero p{color:var(--muted);font-size:18px;margin:0 0 18px;max-width:640px}
.btn{display:inline-block;background:var(--brand);color:#fff;border:0;border-radius:10px;padding:13px 20px;font:inherit;font-weight:700;text-decoration:none;cursor:pointer}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px;margin:16px 0 32px}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px;display:flex;flex-direction:column;gap:6px}
.thumb{aspect-ratio:4/3;border-radius:10px;background:linear-gradient(135deg,var(--brand),var(--accent));opacity:.85}
.price{font-weight:800;font-size:20px}.was{color:var(--muted);text-decoration:line-through;font-weight:500;font-size:15px;margin-left:6px}
.tag{display:inline-block;background:#ffe9e9;color:#b00020;border-radius:999px;padding:2px 10px;font-size:13px;font-weight:700}
.banner{background:#fff4d6;border:1px solid #f2d27a;border-radius:12px;padding:12px 16px;margin:12px 0;font-weight:600}
.timer{font-variant-numeric:tabular-nums;font-size:22px;font-weight:800;color:#c00020}
.doc{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;margin:24px 0}.doc h1{margin-top:0}.doc h2{font-size:18px;margin-top:22px}
form{display:grid;gap:12px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;max-width:520px}
label{display:grid;gap:4px;font-size:14px;font-weight:600;min-width:0}input,select,textarea{font:inherit;width:100%;min-width:0;padding:11px;border:1px solid #c5c9d2;border-radius:8px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.small{font-size:13px;color:var(--muted)}
.foot{border-top:1px solid var(--line);margin-top:40px;background:#fff}.foot .wrap{padding:24px 20px;display:grid;gap:10px}
.foot nav{display:flex;gap:16px;flex-wrap:wrap;font-size:14px}.demo{margin:0;padding:10px 12px;border-radius:8px;background:#eef0f4;font-size:13px;font-weight:600}