*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:#0b0f19;color:#e7eaf2;line-height:1.55}
a{color:#7dd3fc}.w{max-width:960px;margin:0 auto;padding:0 20px}
header{display:flex;justify-content:space-between;align-items:center;padding:16px 0}.logo{font-weight:800;font-size:1.3rem;color:#fff;text-decoration:none}.logo b{color:#22d3ee}
nav a{margin-left:16px;text-decoration:none;color:#cbd5e1;font-size:.95rem}
.hero{padding:48px 0 32px}.hero h1{font-size:clamp(2rem,6vw,3.4rem);line-height:1.1;margin:0 0 16px}.hero h1 span{color:#22d3ee}
.hero p{font-size:1.15rem;color:#aab3c5;max-width:640px}
.btn{display:inline-block;background:#22d3ee;color:#04121a;font-weight:700;border:0;border-radius:12px;padding:14px 22px;font-size:1rem;cursor:pointer;text-decoration:none}
.btn.ghost{background:transparent;color:#e7eaf2;border:1px solid #334155}
section{padding:36px 0}h2{font-size:1.7rem;margin:0 0 12px}
.grid{display:grid;gap:16px;grid-template-columns:1fr}@media(min-width:720px){.grid{grid-template-columns:repeat(3,1fr)}}
.card{background:#121829;border:1px solid #1f2a44;border-radius:16px;padding:20px}
.card h3{margin:0 0 8px}.muted{color:#94a3b8;font-size:.92rem}
.q{margin:18px 0}.q p{font-weight:600;margin:0 0 8px}.opts{display:flex;flex-wrap:wrap;gap:8px}
.opts label{background:#121829;border:1px solid #2a3654;border-radius:999px;padding:8px 14px;cursor:pointer}
.opts input{display:none}.opts input:checked+span{color:#22d3ee;font-weight:700}
.tag{display:inline-block;font-size:.75rem;padding:2px 8px;border-radius:999px;background:#1e293b;margin-right:6px;color:#cbd5e1}
.rank{color:#22d3ee;font-weight:800}pre{white-space:pre-wrap;background:#0b1222;padding:10px;border-radius:8px;font-size:.85rem}
.pro{border-color:#22d3ee}.price{font-size:2rem;font-weight:800}
form.wl{display:flex;gap:8px;flex-wrap:wrap}form.wl input{flex:1;min-width:220px;padding:14px;border-radius:12px;border:1px solid #334155;background:#0b1222;color:#fff;font-size:1rem}
footer{border-top:1px solid #1f2a44;padding:24px 0 40px;color:#8391a7;font-size:.85rem}