/* QuickQ static site — shared stylesheet */
:root{
  --primary:#2171ff;
  --primary-soft:rgba(33,113,255,.14);
  --cyan:#00d1ff;
  --base100:#050b14;
  --base200:#070e1c;
  --base300:#081225;
  --line:rgba(255,255,255,.12);
  --text:#eaf1ff;
  --muted:#93a4bf;
  --radius:16px;
  --max:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--base100);color:var(--text);
  font-family:"Helvetica Neue",Helvetica,Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  line-height:1.7;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:800}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px}
.muted{color:var(--muted)}
.center{text-align:center}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(5,11,20,.82);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:18px;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.4px}
.brand img{height:28px;width:auto}
.nav-links{display:flex;gap:22px;margin-left:14px;flex-wrap:wrap}
.nav-links a{color:#cfdcf2;font-size:15px;padding:6px 0;border-bottom:2px solid transparent}
.nav-links a:hover,.nav-links a.active{color:#fff;border-color:var(--primary)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.lang-switch{display:flex;border:1px solid var(--line);border-radius:999px;overflow:hidden;font-size:13px}
.lang-switch a{padding:5px 12px;color:var(--muted)}
.lang-switch a.active{background:var(--primary-soft);color:#fff}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:999px;font-weight:700;font-size:15px;transition:.2s;border:1px solid transparent;cursor:pointer}
.btn-primary{background:linear-gradient(120deg,var(--primary),#00a8ff);color:#fff;box-shadow:0 10px 30px rgba(33,113,255,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 38px rgba(0,209,255,.42)}
.btn-ghost{border-color:var(--line);color:#dbe7fb}
.btn-ghost:hover{border-color:var(--primary);color:#fff}
.btn-sm{padding:9px 18px;font-size:14px}

/* hero */
.hero{position:relative;overflow:hidden;padding:88px 0 72px;background:
  radial-gradient(900px 420px at 15% 0%,rgba(33,113,255,.28),transparent 70%),
  radial-gradient(700px 420px at 90% 20%,rgba(0,209,255,.18),transparent 70%),var(--base100)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero h1{font-size:clamp(30px,4.4vw,54px);letter-spacing:-.5px}
.hero .sub{margin-top:18px;font-size:17px;color:var(--muted)}
.hero-cta{margin-top:28px;display:flex;gap:14px;flex-wrap:wrap}
.release{margin-top:22px;font-size:14px;color:var(--muted)}
.os-list{margin-top:14px;display:flex;flex-wrap:wrap;gap:10px 22px;font-size:14px;color:#c4d4ee}
.hero-shots{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.hero-shots img{border-radius:14px;border:1px solid var(--line);box-shadow:0 20px 60px rgba(0,0,0,.5)}
.hero-shots img:first-child{grid-column:1 / -1}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:56px}
.stat{background:var(--base200);border:1px solid var(--line);border-radius:var(--radius);padding:22px;text-align:center}
.stat b{display:block;font-size:30px;color:#fff}
.stat span{font-size:14px;color:var(--muted)}

/* sections */
section{padding:78px 0}
.section-alt{background:var(--base200)}
.section-head{max-width:760px;margin:0 auto 44px;text-align:center}
.section-head h2{font-size:clamp(24px,3vw,38px)}
.section-head p{margin-top:14px;color:var(--muted)}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:2px;text-transform:uppercase;color:var(--cyan);margin-bottom:12px}

.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:var(--base300);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.2s}
.card:hover{border-color:rgba(33,113,255,.55);transform:translateY(-4px)}
.card h3{font-size:19px;margin-bottom:10px}
.card p{color:var(--muted);font-size:15px}
.card .ico{font-size:26px;margin-bottom:14px}

/* nodes */
.nodes{background:var(--base100) url("/assets/img/globalmapbg.webp") center/cover no-repeat}
.node-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.node{background:rgba(8,18,37,.82);border:1px solid var(--line);border-radius:12px;padding:12px 14px;font-size:14px}
.node b{display:block;font-weight:700}
.node span{font-size:12px;color:#4ade80}

/* split feature */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split.rev .split-media{order:2}
.split-media img{border-radius:var(--radius);border:1px solid var(--line)}
.check-list li{display:flex;gap:10px;padding:8px 0;color:#cfdcf2;font-size:15px}
.check-list li:before{content:"✓";color:var(--cyan);font-weight:800}
.promo{margin-top:26px;display:flex;align-items:center;gap:16px;background:var(--primary-soft);border:1px solid rgba(33,113,255,.4);border-radius:14px;padding:16px 20px}
.promo b{font-size:22px;color:#fff}

/* payments */
.pay-row{display:flex;flex-wrap:wrap;gap:18px;justify-content:center;align-items:center}
.pay-row img{height:34px;width:auto;opacity:.9}

/* testimonials */
.quote-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.quote{background:var(--base300);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.quote p{color:#dbe7fb;font-size:15px}
.who{margin-top:18px;display:flex;align-items:center;gap:12px}
.who img{width:44px;height:44px;border-radius:50%}
.who b{display:block;font-size:15px}
.who span{font-size:13px;color:var(--muted)}

/* faq */
.faq{max-width:900px;margin:0 auto}
.faq details{border:1px solid var(--line);border-radius:12px;background:var(--base300);padding:16px 20px;margin-bottom:12px}
.faq summary{cursor:pointer;font-weight:700;font-size:16px;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq p{margin-top:12px;color:var(--muted);font-size:15px}

/* pricing */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:start}
.plan{background:var(--base300);border:1px solid var(--line);border-radius:20px;padding:30px}
.plan.featured{border-color:var(--primary);box-shadow:0 0 50px rgba(33,113,255,.25);transform:translateY(-8px)}
.plan .tag{display:inline-block;font-size:12px;padding:4px 12px;border-radius:999px;background:var(--primary-soft);color:#9dc4ff;margin-bottom:12px}
.price{display:flex;align-items:flex-end;gap:6px;margin:12px 0 6px}
.price b{font-size:40px;line-height:1}
.price s{color:var(--muted);font-size:15px}
.plan .btn{width:100%;margin-top:22px}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius)}
table{width:100%;border-collapse:collapse;font-size:15px;min-width:560px}
th,td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line)}
th{background:var(--base300);font-size:14px;color:#cfdcf2}
td{color:var(--muted)}

/* tabs / platform cards */
.plat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.plat{background:var(--base300);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.plat h3{font-size:20px}
.plat .meta{margin:10px 0 18px;color:var(--muted);font-size:14px}
.plat ul li{font-size:14px;color:var(--muted);padding:4px 0}
.chips{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-bottom:34px}
.chips a{padding:9px 20px;border:1px solid var(--line);border-radius:999px;font-size:14px;color:#cfdcf2}
.chips a:hover{border-color:var(--primary);color:#fff}

/* guide */
.guide-layout{display:grid;grid-template-columns:250px 1fr;gap:40px;align-items:start}
.toc{position:sticky;top:90px;background:var(--base300);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.toc b{display:block;margin-bottom:12px;font-size:15px}
.toc a{display:block;padding:6px 0;font-size:14px;color:var(--muted)}
.toc a:hover{color:#fff}
.step{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}
.step .n{flex:0 0 34px;height:34px;border-radius:50%;background:var(--primary-soft);border:1px solid rgba(33,113,255,.5);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px}
.step h4{font-size:17px;margin-bottom:6px}
.step p{color:var(--muted);font-size:15px}
.block{margin-bottom:56px}
.block > h2{font-size:26px;margin-bottom:8px}
.block > .lead{color:var(--muted);margin-bottom:22px}

/* cta band */
.cta-band{background:linear-gradient(120deg,rgba(33,113,255,.22),rgba(0,209,255,.14));border-top:1px solid var(--line);border-bottom:1px solid var(--line);text-align:center}
.cta-band h2{font-size:clamp(22px,3vw,34px)}
.cta-band p{margin:14px auto 26px;color:#cfdcf2;max-width:620px}

/* footer */
.site-footer{background:var(--base200);border-top:1px solid var(--line);padding:56px 0 28px}
.foot-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:32px}
.foot-grid h4{font-size:15px;margin-bottom:14px}
.foot-grid li{padding:5px 0}
.foot-grid a,.foot-grid p{color:var(--muted);font-size:14px}
.foot-grid a:hover{color:#fff}
.foot-logo{height:34px;width:auto;margin-bottom:14px}
.copyright{margin-top:36px;padding-top:20px;border-top:1px solid var(--line);text-align:center;color:var(--muted);font-size:13px}

@media (max-width:1024px){
  .cards,.plans,.plat-grid{grid-template-columns:repeat(2,1fr)}
  .node-grid{grid-template-columns:repeat(4,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .guide-layout{grid-template-columns:1fr}
  .toc{position:static}
}
@media (max-width:820px){
  .hero-grid,.split,.quote-grid{grid-template-columns:1fr}
  .split.rev .split-media{order:0}
  .nav{height:auto;padding:12px 0;flex-wrap:wrap}
  .nav-links{order:3;width:100%;margin-left:0;gap:16px;overflow-x:auto}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){
  .cards,.plans,.plat-grid{grid-template-columns:1fr}
  .node-grid{grid-template-columns:repeat(2,1fr)}
}