/* QuickQ static site design system */
:root{
  --bg:#011022;
  --bg-2:#04182f;
  --surface:rgba(255,255,255,.04);
  --border:rgba(120,180,255,.18);
  --text:#eaf2ff;
  --muted:#9fb4d1;
  --brand:#2071ff;
  --cyan:#00d1ff;
  --grad:linear-gradient(90deg,#2071ff,#00d1ff);
  --radius:16px;
  --maxw:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  line-height:1.7;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(1,16,34,.82);backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;gap:22px;height:68px}
.logo{display:flex;align-items:center;gap:9px;font-weight:800;font-size:20px;letter-spacing:.4px}
.logo span.dot{width:11px;height:11px;border-radius:50%;background:var(--grad);box-shadow:0 0 14px var(--cyan)}
.nav-links{display:flex;gap:20px;flex-wrap:wrap;font-size:15px;color:var(--muted)}
.nav-links a:hover,.nav-links a[aria-current="page"]{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);padding:5px 10px;border-radius:999px}
.lang:hover{color:#fff}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 22px;border-radius:999px;font-weight:700;font-size:15px;transition:.2s;border:1px solid transparent}
.btn-primary{background:var(--grad);color:#00121f;box-shadow:0 10px 28px rgba(32,113,255,.35)}
.btn-primary:hover{transform:translateY(-2px)}
.btn-ghost{border-color:var(--border);color:var(--text)}
.btn-ghost:hover{border-color:var(--cyan);color:#fff}

/* hero */
.hero{position:relative;overflow:hidden;padding:80px 0 70px}
.hero::after{content:"";position:absolute;inset:-30% 40% 40% -20%;background:radial-gradient(circle,rgba(32,113,255,.35),transparent 65%);pointer-events:none}
.hero .wrap{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:2px;text-transform:uppercase;color:var(--cyan);border:1px solid var(--border);border-radius:999px;padding:5px 14px;margin-bottom:18px}
h1{font-size:clamp(30px,4.4vw,52px);line-height:1.2;margin:0 0 18px;font-weight:800}
.lead{font-size:18px;color:var(--muted);margin:0 0 28px;max-width:36em}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{display:flex;gap:34px;margin-top:34px;flex-wrap:wrap}
.hero-stats b{display:block;font-size:26px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-stats small{color:var(--muted);font-size:13px}
.hero-visual{border-radius:24px;overflow:hidden;border:1px solid var(--border);box-shadow:0 30px 80px rgba(0,0,0,.55)}

/* sections */
section{padding:70px 0}
.section-head{text-align:center;max-width:720px;margin:0 auto 44px}
h2{font-size:clamp(24px,3vw,36px);margin:0 0 12px;font-weight:800}
.section-head p{color:var(--muted);margin:0}
h3{font-size:19px;margin:0 0 8px}
.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(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:26px;transition:.25s}
.card:hover{transform:translateY(-4px);border-color:rgba(0,209,255,.45)}
.card p{color:var(--muted);margin:0;font-size:15px}
.icon{width:44px;height:44px;border-radius:12px;background:var(--grad);display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:14px;color:#00121f;font-weight:800}
.alt{background:linear-gradient(180deg,transparent,rgba(32,113,255,.07),transparent)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
ul.check{list-style:none;padding:0;margin:0;color:var(--muted)}
ul.check li{padding-left:26px;position:relative;margin-bottom:10px}
ul.check li::before{content:"✓";position:absolute;left:0;color:var(--cyan);font-weight:800}

/* pricing */
.plan{position:relative;background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:30px}
.plan.featured{border-color:var(--cyan);box-shadow:0 20px 60px rgba(0,209,255,.16)}
.tag{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--grad);color:#00121f;font-size:12px;font-weight:800;padding:4px 14px;border-radius:999px}
.price{font-size:40px;font-weight:800;margin:10px 0 2px}
.price small{font-size:14px;color:var(--muted);font-weight:500}
.was{color:var(--muted);text-decoration:line-through;font-size:14px}
.plan .btn{width:100%;margin-top:20px}

/* steps / guide */
ol.steps{list-style:none;counter-reset:s;padding:0;margin:0;display:grid;gap:18px}
ol.steps li{counter-increment:s;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px 22px 22px 68px;position:relative;color:var(--muted)}
ol.steps li::before{content:counter(s);position:absolute;left:22px;top:20px;width:30px;height:30px;border-radius:50%;background:var(--grad);color:#00121f;font-weight:800;display:flex;align-items:center;justify-content:center}
ol.steps li strong{display:block;color:var(--text);margin-bottom:4px;font-size:17px}
.faq{border:1px solid var(--border);border-radius:var(--radius);padding:18px 22px;background:var(--surface);margin-bottom:14px}
.faq summary{cursor:pointer;font-weight:700}
.faq p{color:var(--muted);margin:10px 0 0}

.cta{text-align:center;background:linear-gradient(135deg,rgba(32,113,255,.18),rgba(0,209,255,.1));border:1px solid var(--border);border-radius:24px;padding:52px 24px;margin:0 0 20px}

/* footer */
footer{border-top:1px solid var(--border);padding:44px 0 30px;color:var(--muted);font-size:14px;margin-top:40px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px;margin-bottom:28px}
.foot-grid h4{color:var(--text);font-size:15px;margin:0 0 12px}
.foot-grid a{display:block;margin-bottom:8px}
.foot-grid a:hover{color:#fff}
.copy{border-top:1px solid var(--border);padding-top:18px;text-align:center;font-size:13px}

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