:root{--bg:#0f172a;--card:#111827;--muted:#94a3b8;--text:#e5e7eb;--brand:#22c55e;--line:#243244}
*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:linear-gradient(135deg,#0f172a,#111827);color:var(--text)}
a{color:inherit;text-decoration:none}.wrap{max-width:1120px;margin:auto;padding:0 20px}
.nav{position:sticky;top:0;background:rgba(15,23,42,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);z-index:10}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;padding:16px 20px}
.logo{font-weight:800;font-size:22px}.logo span{color:var(--brand)}
.menu{display:flex;gap:14px;flex-wrap:wrap}.menu a{color:#cbd5e1;font-size:14px}
.hero{padding:70px 0 48px}.hero h1{font-size:46px;line-height:1.1;margin:0 0 16px}.hero p{font-size:18px;color:var(--muted);max-width:760px}
.btns{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.btn{padding:13px 18px;border-radius:12px;font-weight:700;border:1px solid var(--line)}.btn.primary{background:var(--brand);color:#052e16;border:0}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;margin:34px 0}
.card{background:rgba(17,24,39,.85);border:1px solid var(--line);border-radius:18px;padding:22px}
.card h3{margin-top:0}.muted{color:var(--muted)}
.section{padding:38px 0}.section h2{font-size:30px;margin:0 0 12px}
.price{font-size:28px;font-weight:800;color:var(--brand)}
.footer{border-top:1px solid var(--line);padding:24px 0;color:var(--muted);margin-top:40px}
input,textarea{width:100%;padding:12px;border-radius:10px;border:1px solid var(--line);background:#0b1220;color:var(--text);margin:8px 0}
.notice{background:#1e293b;border-left:4px solid var(--brand);padding:14px;border-radius:10px}
@media(max-width:700px){.hero h1{font-size:34px}.nav .wrap{align-items:flex-start;gap:12px;flex-direction:column}}