:root{
  --bg:#0e1117; --card:#151a23; --muted:#9aa4b2; --txt:#fff;
  --primary:#4da3ff; --primary-2:#478bf4; --accent:#79ffea;
  --ok:#36d399; --warn:#fbbf24; --danger:#fb7185;
  --radius:14px; --wrap:1100px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--txt);font:16px/1.6 system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial}
a{color:var(--primary);text-decoration:none}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.site-header{position:sticky;top:0;backdrop-filter:saturate(180%) blur(8px);background:rgba(14,17,23,.7);z-index:9;border-bottom:1px solid rgba(255,255,255,.06)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;color:#fff}
.nav a{margin:0 10px;color:#fff;opacity:.9}
.nav .btn{margin-left:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 18px;border-radius:10px;border:1px solid rgba(255,255,255,.12);color:#fff;cursor:pointer;transition:.2s}
.btn.small{padding:8px 12px;font-size:14px}
.btn.primary{background:linear-gradient(135deg,var(--primary),var(--primary-2));border-color:transparent}
.btn.ghost{background:transparent}
.btn.wide{min-width:220px}
.hero{padding:64px 0 40px;background:
  radial-gradient(1200px 400px at 50% -10%,rgba(71,139,244,.25),transparent 60%),
  linear-gradient(0deg, rgba(255,255,255,.03), rgba(255,255,255,0) 30%)}
.hero h1{font-size:40px;line-height:1.2;margin:20px 0}
.hero .accent{color:var(--accent)}
.sub{color:var(--muted);max-width:720px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;padding:0;list-style:none;margin:18px 0}
.hero-badges li{background:rgba(255,255,255,.05);padding:8px 12px;border-radius:999px;border:1px solid rgba(255,255,255,.08)}
.hero-cta{margin:18px 0;display:flex;gap:12px}
.hero-img{margin:24px 0;border:1px solid rgba(255,255,255,.06);border-radius:var(--radius);padding:10px;background:rgba(255,255,255,.03)}
.trust{color:var(--muted);margin-top:8px}
.section{padding:70px 0}
.section.alt{background:#0c0f14}
.grid{display:grid;gap:18px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
@media (max-width:900px){.g3{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.g3,.g2{grid-template-columns:1fr}}
.card,.case,.price{background:var(--card);border:1px solid rgba(255,255,255,.06);border-radius:var(--radius);padding:18px}
.card h3,.case h3{margin:0 0 8px}
.price .num{font-size:28px;margin:8px 0 10px}
.price.hot{outline:2px solid var(--primary-2)}
.tip{color:var(--muted);margin-top:10px}
details{background:var(--card);border:1px solid rgba(255,255,255,.06);border-radius:var(--radius);padding:12px 16px;margin:10px 0}
.contact form{background:var(--card);border:1px solid rgba(255,255,255,.06);border-radius:var(--radius);padding:18px}
label{display:flex;flex-direction:column;font-weight:600;gap:6px;color:#fff}
input,select,textarea{background:#0b0f15;color:#fff;border:1px solid rgba(255,255,255,.12);border-radius:10px;padding:12px 12px;outline:none}
input:focus,select:focus,textarea:focus{border-color:var(--primary)}
.agree{display:flex;flex-direction:row;align-items:center;gap:8px;margin:8px 0}
.form-msg{margin-top:10px;color:var(--ok)}
.site-footer{border-top:1px solid rgba(255,255,255,.06);padding:18px 0;color:var(--muted)}
.site-footer .wrap{display:flex;align-items:center;justify-content:space-between}
.legal h1{margin-top:28px}
.center{display:grid;place-items:center;min-height:100vh}
.thanks{text-align:center}
.mini{font-size:13px;color:var(--muted)}