:root{
  --qq-bg:#071223;
  --qq-bg2:#0c1d36;
  --qq-surface:#102544;
  --qq-surface-2:#132c50;
  --qq-panel:#0f2039;
  --qq-line:rgba(255,255,255,.09);
  --qq-line-soft:rgba(243,198,107,.18);
  --qq-gold:#f1c66d;
  --qq-gold2:#c8963d;
  --qq-blue:#7ea3d9;
  --qq-text:#f7f9ff;
  --qq-muted:#b9c6df;
  --qq-dark-text:#12233f;
  --qq-soft-bg:#eef3fb;
  --qq-soft-text:#536682;
  --qq-shadow:0 26px 70px rgba(0,0,0,.28);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:
    radial-gradient(circle at 82% 10%,rgba(243,198,107,.12),transparent 24%),
    radial-gradient(circle at 18% 0,rgba(126,163,217,.16),transparent 20%),
    linear-gradient(180deg,#071223,#0b1930 42%,#071223);
  color:var(--qq-text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;
}

a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
button{font:inherit}

.qq-wrap{
  width:min(1180px,92%);
  margin:0 auto;
}

.qq-header{
  position:sticky;
  top:0;
  z-index:90;
  background:rgba(7,18,35,.9);
  backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(255,255,255,.07);
}

.qq-header-inner{
  min-height:74px;
  display:flex;
  align-items:center;
  gap:26px;
}

.qq-brand{
  min-width:240px;
  display:flex;
  align-items:center;
  gap:12px;
}

.qq-brand img{
  width:44px;
  height:44px;
  object-fit:contain;
}

.qq-brand b{
  display:block;
  font-size:22px;
  line-height:1;
}

.qq-brand small{
  display:block;
  margin-top:5px;
  font-size:12px;
  color:var(--qq-gold);
  letter-spacing:1.6px;
}

.qq-nav{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:22px;
  font-size:14px;
  font-weight:900;
}

.qq-nav a{
  position:relative;
  padding:27px 0 24px;
  color:#edf3ff;
}

.qq-nav a::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:16px;
  height:3px;
  border-radius:999px;
  background:linear-gradient(90deg,var(--qq-blue),var(--qq-gold));
  transform:scaleX(0);
  transition:.18s ease;
}

.qq-nav a:hover,
.qq-nav a.is-active{
  color:var(--qq-gold);
}

.qq-nav a:hover::after,
.qq-nav a.is-active::after{
  transform:scaleX(1);
}

.qq-head-cta,
.qq-btn{
  min-height:46px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:0 24px;
  border-radius:999px;
  font-weight:1000;
  transition:.18s ease;
}

.qq-head-cta,
.qq-btn-primary{
  background:linear-gradient(135deg,var(--qq-gold),var(--qq-gold2));
  color:var(--qq-dark-text);
  box-shadow:0 14px 30px rgba(243,198,107,.18);
}

.qq-btn-ghost{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.16);
  color:#fff;
}

.qq-btn:hover,
.qq-head-cta:hover{
  transform:translateY(-2px);
}

.qq-menu-btn{
  display:none;
  margin-left:auto;
  width:42px;
  height:38px;
  padding:9px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.04);
}

.qq-menu-btn span{
  display:block;
  height:2px;
  margin:5px 0;
  background:#fff;
  border-radius:6px;
}

.qq-kicker,
.qq-section-head span,
.qq-final span,
.qq-app-copy span,
.qq-split-grid article span,
.qq-gate-head span{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--qq-gold);
  font-size:13px;
  font-weight:1000;
  letter-spacing:1.6px;
  text-transform:uppercase;
}

.qq-kicker::before,
.qq-section-head span::before,
.qq-final span::before,
.qq-app-copy span::before,
.qq-split-grid article span::before,
.qq-gate-head span::before{
  content:"";
  width:34px;
  height:2px;
  background:linear-gradient(90deg,var(--qq-blue),var(--qq-gold));
}

.qq-hero{
  padding:86px 0 68px;
  overflow:hidden;
}

.qq-hero-shell{
  text-align:center;
}

.qq-hero-copy{
  max-width:860px;
  margin:0 auto;
}

.qq-hero h1{
  margin:18px 0 0;
  font-size:clamp(42px,6vw,72px);
  line-height:1.02;
  letter-spacing:-2px;
  font-weight:1000;
}

.qq-hero p{
  margin:22px auto 0;
  max-width:820px;
  color:#d5e0f3;
  font-size:18px;
  line-height:1.84;
}

.qq-hero-gates{
  margin-top:34px;
  display:grid;
  grid-template-columns:1.08fr .84fr 1.08fr;
  gap:18px;
  align-items:stretch;
}

.qq-gate{
  padding:24px;
  border-radius:30px;
  border:1px solid var(--qq-line);
  box-shadow:var(--qq-shadow);
  text-align:left;
}

.qq-gate h2{
  margin:10px 0 0;
  font-size:32px;
  line-height:1.08;
}

.qq-gate p{
  margin:14px 0 0;
  color:var(--qq-muted);
  font-size:15px;
  line-height:1.74;
}

.qq-gate figure{
  margin:18px 0 0;
  min-height:200px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:22px;
  overflow:hidden;
}

.qq-gate figure img{
  max-height:190px;
  object-fit:contain;
}

.qq-gate-download{
  background:linear-gradient(145deg,#112545,#0c1c34);
}

.qq-gate-download figure{
  background:#0a162b;
}

.qq-gate-register{
  background:linear-gradient(180deg,#f5f8fc,#edf3fb);
  border-color:rgba(19,32,52,.08);
  color:var(--qq-dark-text);
}

.qq-gate-register p,
.qq-gate-register .qq-text-link{
  color:var(--qq-soft-text);
}

.qq-gate-list{
  margin-top:18px;
  display:grid;
  gap:10px;
}

.qq-gate-list b{
  padding:12px 14px;
  border-radius:16px;
  background:#fff;
  border:1px solid rgba(19,32,52,.08);
  color:var(--qq-dark-text);
}

.qq-gate-play{
  background:
    radial-gradient(circle at 80% 20%,rgba(243,198,107,.14),transparent 28%),
    linear-gradient(145deg,#0f2039,#133152);
}

.qq-gate-route{
  margin-top:18px;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}

.qq-gate-route span{
  padding:10px 13px;
  border-radius:999px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.1);
  color:#eef5ff;
  font-weight:900;
  font-size:13px;
}

.qq-text-link{
  display:inline-flex;
  margin-top:16px;
  color:var(--qq-gold);
  font-weight:1000;
}

.qq-section{
  padding:86px 0;
}

.qq-section h2,
.qq-app-copy h2,
.qq-final h2{
  margin:14px 0 0;
  font-size:clamp(32px,4vw,52px);
  line-height:1.08;
  letter-spacing:-1.4px;
}

.qq-section p,
.qq-app-copy p,
.qq-final p{
  color:var(--qq-muted);
  line-height:1.8;
  font-size:16px;
}

.qq-section-head{
  max-width:880px;
  margin:0 auto 42px;
  text-align:center;
}

.qq-route{
  background:#081426;
}

.qq-route-track{
  display:grid;
  grid-template-columns:repeat(6,1fr);
  gap:14px;
}

.qq-route-track article{
  position:relative;
  padding:20px 18px;
  border-radius:22px;
  background:linear-gradient(145deg,#112545,#0c1c34);
  border:1px solid var(--qq-line);
}

.qq-route-track article::after{
  content:"";
  position:absolute;
  top:50%;
  right:-8px;
  width:16px;
  height:2px;
  background:rgba(255,255,255,.12);
}

.qq-route-track article:last-child::after{
  display:none;
}

.qq-route-track strong{
  display:block;
  margin-bottom:8px;
  color:#fff;
  font-size:18px;
}

.qq-route-track span{
  color:var(--qq-muted);
  font-size:14px;
  line-height:1.64;
}

.qq-split{
  background:#0b1930;
}

.qq-split-grid{
  display:grid;
  grid-template-columns:1fr 1.1fr 1fr;
  gap:18px;
}

.qq-split-grid article{
  padding:24px;
  border-radius:28px;
  border:1px solid var(--qq-line);
  box-shadow:var(--qq-shadow);
}

.qq-split-grid h2{
  margin:12px 0 0;
  font-size:34px;
  line-height:1.12;
}

.qq-split-grid p{
  margin:14px 0 0;
  color:var(--qq-muted);
  font-size:15px;
  line-height:1.72;
}

.qq-split-grid figure{
  margin:18px 0 0;
  min-height:180px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:22px;
  overflow:hidden;
  background:#0a162b;
}

.qq-split-grid figure img{
  max-height:170px;
  object-fit:contain;
}

.qq-split-download{
  background:linear-gradient(160deg,#102544,#0b1d36);
}

.qq-split-register{
  background:linear-gradient(180deg,#f7f9fd,#edf3fb);
  border-color:rgba(19,32,52,.08);
}

.qq-split-register p{
  color:var(--qq-soft-text);
}

.qq-split-friends{
  background:linear-gradient(160deg,#0f2039,#123056);
}

.qq-split-mobile{
  grid-column:span 2;
  background:linear-gradient(160deg,#112545,#15345e);
}

.qq-split-faq{
  background:linear-gradient(160deg,#15253f,#0e1b31);
}

.qq-app{
  background:#081426;
}

.qq-app-panel{
  display:grid;
  grid-template-columns:1.04fr .96fr;
  gap:24px;
  align-items:center;
  padding:34px;
  border-radius:34px;
  background:linear-gradient(145deg,#112545,#0c1c34);
  border:1px solid var(--qq-line);
  box-shadow:var(--qq-shadow);
}

.qq-app-list{
  margin-top:24px;
  display:grid;
  gap:12px;
}

.qq-app-list article{
  padding:16px 18px;
  border-radius:18px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
}

.qq-app-list b{
  display:block;
  margin-bottom:6px;
}

.qq-app-list span{
  color:var(--qq-muted);
  font-size:14px;
  line-height:1.64;
}

.qq-app-visual{
  margin:0;
  min-height:320px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:24px;
  background:#0a162b;
}

.qq-app-visual img{
  max-height:280px;
  object-fit:contain;
}

.qq-play{
  background:#0b1930;
}

.qq-play-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
}

.qq-play-card{
  padding:24px;
  border-radius:28px;
  background:linear-gradient(145deg,#112545,#0c1c34);
  border:1px solid var(--qq-line);
  box-shadow:var(--qq-shadow);
}

.qq-play-card span{
  color:var(--qq-gold);
  font-size:12px;
  font-weight:1000;
  letter-spacing:1.4px;
}

.qq-play-card h3{
  margin:10px 0 8px;
  font-size:26px;
}

.qq-play-card p{
  margin:0;
  color:var(--qq-muted);
  font-size:14px;
  line-height:1.72;
}

.qq-play-visual{
  padding:18px;
  display:flex;
  align-items:center;
  justify-content:center;
}

.qq-play-visual figure{
  margin:0;
  width:100%;
  min-height:280px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:22px;
  background:#0a162b;
}

.qq-play-visual img{
  max-height:240px;
  object-fit:contain;
}

.qq-faq{
  background:#081426;
}

.qq-faq-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:14px;
}

.qq-faq-grid details{
  border-radius:22px;
  background:linear-gradient(145deg,#102544,#0c1c34);
  border:1px solid var(--qq-line);
  overflow:hidden;
}

.qq-faq-grid summary{
  cursor:pointer;
  list-style:none;
  padding:22px 24px;
  font-weight:1000;
  display:flex;
  justify-content:space-between;
  gap:18px;
}

.qq-faq-grid summary::-webkit-details-marker{display:none}

.qq-faq-grid summary::after{
  content:"+";
  color:var(--qq-gold);
  font-size:24px;
}

.qq-faq-grid details[open] summary::after{
  content:"−";
}

.qq-faq-grid p{
  margin:0;
  padding:0 24px 24px;
  color:var(--qq-muted);
  line-height:1.76;
  font-size:14px;
}

.qq-final{
  padding:84px 0;
  background:
    radial-gradient(circle at 78% 24%,rgba(126,163,217,.18),transparent 32%),
    radial-gradient(circle at 22% 74%,rgba(243,198,107,.12),transparent 24%),
    linear-gradient(135deg,#071223,#0d1d37);
}

.qq-final-card{
  display:grid;
  grid-template-columns:1.08fr .92fr;
  gap:28px;
  align-items:center;
  padding:34px;
  border-radius:34px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
}

.qq-final-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  justify-content:flex-end;
}

.qq-footer{
  padding:36px 0;
  background:#050d1a;
  border-top:1px solid rgba(255,255,255,.07);
}

.qq-footer-inner{
  display:flex;
  justify-content:space-between;
  gap:34px;
}

.qq-footer b{
  font-size:22px;
}

.qq-footer p{
  max-width:780px;
  color:#9fb0cf;
  line-height:1.75;
  font-size:13px;
}

.qq-footer-links{
  display:flex;
  flex-wrap:wrap;
  gap:16px;
  justify-content:flex-end;
}

.qq-footer-links a{
  color:#eef5ff;
  font-size:14px;
}

.img-missing{display:none!important}

@media(max-width:1100px){
  .qq-menu-btn{display:block}
  .qq-nav{
    position:absolute;
    top:72px;
    left:4%;
    right:4%;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:16px;
    border-radius:22px;
    background:#102544;
    border:1px solid var(--qq-line);
  }
  .qq-nav.is-open{display:flex}
  .qq-nav a{padding:14px 12px}
  .qq-nav a::after{display:none}
  .qq-head-cta{display:none}

  .qq-hero-gates,
  .qq-route-track,
  .qq-play-grid,
  .qq-faq-grid,
  .qq-app-panel,
  .qq-final-card{
    grid-template-columns:1fr;
  }

  .qq-split-grid{
    grid-template-columns:1fr 1fr;
  }

  .qq-split-mobile{
    grid-column:auto;
  }

  .qq-footer-inner{
    flex-direction:column;
    align-items:flex-start;
  }
  .qq-footer-links{justify-content:flex-start}
}

@media(max-width:720px){
  .qq-wrap{width:90%}
  .qq-brand{min-width:0}
  .qq-brand img{width:40px;height:40px}
  .qq-brand b{font-size:18px}
  .qq-brand small{display:none}

  .qq-hero{
    padding:60px 0 54px;
  }

  .qq-hero h1{
    font-size:40px;
    letter-spacing:-1.2px;
  }

  .qq-hero p{
    font-size:15px;
  }

  .qq-section{
    padding:62px 0;
  }

  .qq-section h2,
  .qq-app-copy h2,
  .qq-final h2{
    font-size:32px;
  }

  .qq-split-grid{
    grid-template-columns:1fr;
  }

  .qq-gate,
  .qq-app-panel,
  .qq-final-card{
    padding:24px;
  }

  .qq-gate figure,
  .qq-app-visual,
  .qq-play-visual figure{
    min-height:220px;
  }

  .qq-gate figure img,
  .qq-app-visual img,
  .qq-play-visual img{
    max-height:180px;
  }

  .qq-final-actions{
    justify-content:flex-start;
  }
}