/* QuickQ static site — design system */
:root{
  --bg:#010a16;
  --bg-2:#02132a;
  --card:rgba(255,255,255,.04);
  --border:rgba(255,255,255,.10);
  --fg:#eaf1ff;
  --muted:#95a7c4;
  --brand:#2071ff;
  --brand-2:#00d1ff;
  --radius:18px;
  --max:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:
    radial-gradient(900px 500px at 12% -8%, rgba(32,113,255,.28), transparent 60%),
    radial-gradient(800px 480px at 92% 6%, rgba(0,209,255,.16), transparent 62%),
    var(--bg);
  color:var(--fg);
  font-family:"PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}

/* header */
.site-header{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);background:rgba(1,10,22,.72);border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;gap:22px;height:70px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;letter-spacing:.5px}
.brand img{width:32px;height:32px}
.nav-links{display:flex;flex-wrap:wrap;gap:20px;margin-left:14px;font-size:15px;color:var(--muted)}
.nav-links a:hover,.nav-links a.active{color:#fff}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.lang{font-size:13px;color:var(--muted);border:1px solid var(--border);border-radius:999px;padding:5px 12px}
.lang a{padding:0 3px}
.lang a.on{color:var(--brand-2)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:999px;font-weight:700;font-size:15px;transition:.25s;border:1px solid transparent}
.btn-primary{background:linear-gradient(120deg,var(--brand),var(--brand-2));color:#00122b;box-shadow:0 10px 30px rgba(32,113,255,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 40px rgba(32,113,255,.5)}
.btn-ghost{border-color:var(--border);color:var(--fg);background:var(--card)}
.btn-ghost:hover{border-color:var(--brand)}
.btn-sm{padding:9px 18px;font-size:14px}

/* hero */
.hero{padding:84px 0 60px;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.eyebrow{display:inline-block;font-size:13px;color:var(--brand-2);border:1px solid rgba(0,209,255,.3);background:rgba(0,209,255,.07);border-radius:999px;padding:5px 14px;margin-bottom:18px}
h1{font-size:clamp(32px,4.4vw,54px);line-height:1.18;font-weight:800;letter-spacing:-.5px}
.grad{background:linear-gradient(100deg,#fff 20%,var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{color:var(--muted);font-size:17px;margin:18px 0 28px;max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-visual img{aspect-ratio:4/3;object-fit:cover;width:100%;border-radius:24px;border:1px solid var(--border);box-shadow:0 30px 80px rgba(0,0,0,.55)}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:34px 0 10px}
.stat{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;text-align:center}
.stat b{display:block;font-size:26px;color:#fff}
.stat span{font-size:13px;color:var(--muted)}

/* sections */
section{padding:64px 0}
.sec-head{text-align:center;max-width:720px;margin:0 auto 40px}
h2{font-size:clamp(24px,3vw,36px);font-weight:800}
h3{font-size:19px;font-weight:700;margin-bottom:8px}
.sec-head p{color:var(--muted);margin-top:12px}
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:26px;transition:.25s}
.card:hover{border-color:rgba(32,113,255,.55);transform:translateY(-4px);background:rgba(32,113,255,.07)}
.card p{color:var(--muted);font-size:15px}
.icon{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-size:20px;background:rgba(32,113,255,.16);border:1px solid rgba(32,113,255,.35);margin-bottom:14px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.split img{aspect-ratio:4/3;object-fit:cover;width:100%;border-radius:22px;border:1px solid var(--border)}
.banner{background:linear-gradient(120deg,rgba(32,113,255,.22),rgba(0,209,255,.10));border:1px solid rgba(32,113,255,.35);border-radius:26px;padding:44px;text-align:center}
.price{font-size:40px;font-weight:800;color:#fff}
.price small{font-size:14px;color:var(--muted);font-weight:500}
ul.list{list-style:none;color:var(--muted);font-size:15px}
ul.list li{padding:7px 0 7px 24px;position:relative}
ul.list li:before{content:"✓";position:absolute;left:0;color:var(--brand-2)}
.prose{max-width:860px;margin:0 auto}
.prose h2{margin:34px 0 12px;font-size:24px}
.prose p,.prose li{color:var(--muted);margin-bottom:12px}
.prose ul{padding-left:22px}
table{width:100%;border-collapse:collapse;font-size:15px}
th,td{border:1px solid var(--border);padding:12px 14px;text-align:left;color:var(--muted)}
th{color:#fff;background:rgba(255,255,255,.04)}

/* footer */
.site-footer{border-top:1px solid var(--border);background:rgba(1,7,16,.75);padding:52px 0 26px;margin-top:40px}
.foot-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:28px}
.foot-grid h4{font-size:15px;margin-bottom:12px}
.foot-grid a,.foot-grid p{display:block;color:var(--muted);font-size:14px;padding:4px 0}
.foot-grid a:hover{color:var(--brand-2)}
.copy{border-top:1px solid var(--border);margin-top:30px;padding-top:18px;text-align:center;color:var(--muted);font-size:13px}

@media (max-width:900px){
  .hero,.split{grid-template-columns:1fr;padding-top:48px}
  .g3,.g4,.g2,.stats,.foot-grid{grid-template-columns:repeat(2,1fr)}
  .nav{height:auto;flex-wrap:wrap;padding:12px 0;gap:12px}
  .nav-links{margin-left:0;order:3;width:100%;gap:14px;font-size:14px}
  .nav-right{margin-left:auto}
}
@media (max-width:560px){
  .g3,.g4,.g2,.stats,.foot-grid{grid-template-columns:1fr}
}