/* QuickQ static landing styles */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans","Microsoft YaHei",sans-serif;color:#0f172a;background:#fff;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:1160px;margin:0 auto;padding:0 24px}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid #eef2f7}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{font-size:24px;font-weight:800;color:#2563eb;letter-spacing:-.5px}
.nav-links{display:flex;gap:32px}
.nav-links a{font-size:15px;color:#334155;font-weight:500;transition:color .2s}
.nav-links a:hover{color:#2563eb}
.nav-right{display:flex;align-items:center;gap:12px}
.lang-switch{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border:1px solid #e2e8f0;border-radius:999px;font-size:14px;color:#334155;background:#fff;cursor:pointer;position:relative}
.lang-switch:hover{border-color:#2563eb;color:#2563eb}
.lang-menu{position:absolute;top:calc(100% + 8px);right:0;background:#fff;border:1px solid #e2e8f0;border-radius:12px;box-shadow:0 10px 30px rgba(15,23,42,.08);padding:6px;display:none;min-width:160px}
.lang-switch:hover .lang-menu,.lang-switch:focus-within .lang-menu{display:block}
.lang-menu a{display:block;padding:8px 12px;border-radius:8px;font-size:14px;color:#334155}
.lang-menu a:hover{background:#f1f5f9;color:#2563eb}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:999px;font-weight:600;font-size:15px;transition:transform .15s,box-shadow .15s,background .15s;border:none;cursor:pointer}
.btn-primary{background:#2563eb;color:#fff;box-shadow:0 8px 20px rgba(37,99,235,.25)}
.btn-primary:hover{background:#1d4ed8;transform:translateY(-1px)}
.btn-ghost{background:#f1f5f9;color:#0f172a}
.btn-ghost:hover{background:#e2e8f0}

/* Hero */
.hero{padding:96px 0 72px;text-align:center;background:radial-gradient(1200px 500px at 50% -100px,#e0e7ff 0,transparent 60%)}
.badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;background:#eef2ff;color:#2563eb;border-radius:999px;font-size:13px;font-weight:600;margin-bottom:28px}
.hero h1{font-size:clamp(44px,7vw,88px);font-weight:800;letter-spacing:-2px;line-height:1.05}
.hero h1 .grad{background:linear-gradient(90deg,#2563eb,#7c3aed);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{margin:24px auto 0;max-width:640px;color:#475569;font-size:18px}
.hero-cta{display:flex;justify-content:center;gap:14px;margin-top:36px;flex-wrap:wrap}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:640px;margin:64px auto 0;padding-top:40px;border-top:1px solid #e2e8f0}
.stat-num{font-size:32px;font-weight:800;color:#0f172a}
.stat-label{font-size:14px;color:#64748b;margin-top:4px}

/* Sections */
section{padding:88px 0}
.section-head{text-align:center;margin-bottom:56px}
.section-head h2{font-size:clamp(30px,4vw,44px);font-weight:800;letter-spacing:-1px}
.section-head p{margin-top:12px;color:#64748b;font-size:17px}

/* Features */
.features{background:#f8fafc}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:#fff;border:1px solid #eef2f7;border-radius:20px;padding:32px;transition:transform .2s,box-shadow .2s}
.card:hover{transform:translateY(-4px);box-shadow:0 20px 40px rgba(15,23,42,.06)}
.card .icon{width:52px;height:52px;border-radius:14px;background:#eef2ff;color:#2563eb;display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:20px}
.card h3{font-size:19px;font-weight:700;margin-bottom:10px}
.card p{color:#64748b;font-size:15px}

/* Regions */
.region-card h4{font-size:16px;font-weight:700;color:#2563eb;margin-bottom:8px}
.region-card p{color:#334155;font-size:15px}

/* Pricing */
.pricing{background:#f8fafc}
.grid-price{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
.plan{background:#fff;border:1px solid #eef2f7;border-radius:24px;padding:36px;position:relative;display:flex;flex-direction:column}
.plan.featured{border-color:#2563eb;box-shadow:0 20px 50px rgba(37,99,235,.15);transform:scale(1.03)}
.plan .tag{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:#2563eb;color:#fff;font-size:12px;font-weight:600;padding:4px 14px;border-radius:999px}
.plan h3{font-size:20px;font-weight:700}
.plan .price{font-size:44px;font-weight:800;margin:16px 0 4px}
.plan .price small{font-size:16px;color:#64748b;font-weight:500}
.plan .save{color:#059669;font-size:14px;font-weight:600;margin-bottom:24px}
.plan ul{list-style:none;flex:1;margin-bottom:28px}
.plan li{padding:8px 0;color:#334155;font-size:15px;display:flex;gap:10px}
.plan li::before{content:"✓";color:#2563eb;font-weight:700}

/* Devices */
.devices{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;max-width:900px;margin:0 auto}
.device{background:#fff;border:1px solid #eef2f7;border-radius:16px;padding:24px;text-align:center;font-weight:600;color:#334155}

/* FAQ */
.faq{background:#f8fafc}
.faq-list{max-width:820px;margin:0 auto}
.faq details{background:#fff;border:1px solid #eef2f7;border-radius:14px;padding:20px 24px;margin-bottom:12px}
.faq summary{font-weight:600;font-size:16px;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq summary::after{content:"+";font-size:22px;color:#2563eb;font-weight:400;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin-top:12px;color:#64748b;font-size:15px}

/* Footer */
.site-footer{background:#0f172a;color:#94a3b8;padding:56px 0 32px;text-align:center}
.site-footer .logo{color:#60a5fa;margin-bottom:12px}
.site-footer p{font-size:14px}
.footer-langs{margin:20px 0;display:flex;gap:20px;justify-content:center;flex-wrap:wrap}
.footer-langs a{color:#cbd5e1;font-size:14px}
.footer-langs a:hover{color:#60a5fa}

/* Responsive */
@media(max-width:900px){
  .nav-links{display:none}
  .grid-3,.grid-price,.devices{grid-template-columns:1fr}
  .plan.featured{transform:none}
  .stats{grid-template-columns:repeat(3,1fr);gap:12px}
  .stat-num{font-size:24px}
  section{padding:64px 0}
}