:root{
  --bg:#0d0a17;
  --bg-2:#15102a;
  --panel:#1b1436;
  --line:rgba(160,120,255,.22);
  --purple:#8b5cf6;
  --purple-light:#c4a6ff;
  --pink:#ff4d9d;
  --cyan:#33e0ff;
  --text:#efeaff;
  --muted:#a79ec9;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{-webkit-text-size-adjust:100%;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  line-height:1.7;
  overflow-x:hidden;
}
img{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}
section{padding:64px 0;}
.sec-head{margin-bottom:32px;}
.sec-tag{
  display:inline-block;font-size:12px;letter-spacing:.16em;color:var(--purple-light);
  border:1px solid var(--line);border-radius:999px;padding:3px 12px;margin-bottom:12px;
}
h1,h2,h3{line-height:1.35;font-weight:800;}
h2{font-size:clamp(22px,3.4vw,32px);}
h3{font-size:17px;}
p{color:var(--muted);}
.lead{font-size:14px;max-width:640px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(13,10,23,.9);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:16px;min-height:60px;}
.brand{display:flex;align-items:center;gap:8px;flex-shrink:0;}
.brand img{height:32px;width:auto;border-radius:8px;}
.brand span{font-weight:800;font-size:16px;letter-spacing:.04em;}
.nav-toggle{
  margin-left:auto;display:none;background:none;border:1px solid var(--line);
  color:var(--text);border-radius:8px;padding:6px 12px;font-size:13px;cursor:pointer;
}
.main-nav{margin-left:auto;}
.main-nav ul{display:flex;flex-wrap:wrap;gap:4px 14px;list-style:none;font-size:13px;}
.main-nav a{color:var(--muted);padding:4px 0;display:inline-block;}
.main-nav a:hover{color:var(--purple-light);}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;padding:56px 0 64px;
  background:
    radial-gradient(900px 500px at 82% 8%,rgba(139,92,246,.30),transparent 62%),
    radial-gradient(700px 420px at 6% 92%,rgba(255,77,157,.16),transparent 60%),
    linear-gradient(180deg,#0d0a17,#130e26 70%,#0d0a17);
}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:40px;align-items:center;}
.hero h1{
  font-size:clamp(28px,4.6vw,46px);
  background:linear-gradient(100deg,#fff 8%,var(--purple-light) 52%,var(--pink) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:16px;
}
.hero-sub{font-size:15px;color:#c7bde8;margin-bottom:22px;max-width:520px;}
.hero-points{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin-bottom:26px;}
.hero-points li{
  font-size:12.5px;padding:5px 12px;border-radius:999px;
  background:rgba(139,92,246,.14);border:1px solid var(--line);color:#d6c9ff;
}
.dl-group{display:flex;flex-wrap:wrap;gap:12px;}
.dl-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:12px;font-size:14px;font-weight:700;
  transition:transform .2s,box-shadow .2s;border:1px solid transparent;
}
.dl-btn:hover{transform:translateY(-2px);}
.dl-btn.android{background:linear-gradient(120deg,var(--purple),#6d3ff0);color:#fff;box-shadow:0 8px 24px -10px rgba(139,92,246,.9);}
.dl-btn.ios{background:linear-gradient(120deg,#ff4d9d,#c0266f);color:#fff;box-shadow:0 8px 24px -10px rgba(255,77,157,.8);}
.dl-btn.other{background:transparent;border-color:var(--line);color:var(--purple-light);}
.hero-visual{position:relative;}
.phone-stack{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;}
.phone-card{
  border-radius:16px;overflow:hidden;border:1px solid var(--line);
  background:var(--panel);box-shadow:0 18px 40px -22px rgba(0,0,0,.9);
}
.phone-card img{width:100%;aspect-ratio:3/4;object-fit:cover;}
.phone-card:nth-child(2){transform:translateY(22px);}

/* ---------- hot list ---------- */
.hot{background:linear-gradient(180deg,#0d0a17,#15102a);}
.masonry{columns:4;column-gap:16px;}
.masonry .card-break{break-inside:avoid;margin-bottom:16px;}
.story-card{
  border-radius:14px;overflow:hidden;border:1px solid var(--line);
  background:var(--panel);
}
.story-card img{width:100%;aspect-ratio:3/4;object-fit:cover;}
.story-body{padding:10px 12px 14px;}
.story-body h3{font-size:14px;margin-bottom:4px;}
.story-body p{font-size:12px;line-height:1.55;}

/* ---------- original ---------- */
.original{background:radial-gradient(800px 460px at 88% 50%,rgba(139,92,246,.20),transparent 62%),#100b20;}
.z-row{display:grid;grid-template-columns:.85fr 1.15fr;gap:32px;align-items:center;margin-bottom:34px;}
.z-row.reverse{grid-template-columns:1.15fr .85fr;}
.z-row.reverse .z-pic{order:2;}
.z-pic{border-radius:16px;overflow:hidden;border:1px solid var(--line);}
.z-pic img{width:100%;aspect-ratio:3/4;object-fit:cover;}
.z-list{list-style:none;display:grid;gap:10px;}
.z-list li{
  display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:#cfc6ea;
}
.z-list li b{
  flex:0 0 22px;height:22px;border-radius:6px;display:inline-flex;
  align-items:center;justify-content:center;font-size:11px;
  background:rgba(139,92,246,.22);color:var(--purple-light);
}

/* ---------- calendar ---------- */
.calendar{background:linear-gradient(180deg,#0d0a17,#1a1030);}
.timeline{position:relative;padding-left:0;list-style:none;}
.timeline::before{
  content:"";position:absolute;left:58px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg,var(--purple),var(--pink));
  opacity:.5;
}
.tl-item{display:grid;grid-template-columns:100px 1fr;gap:18px;padding:10px 0;position:relative;}
.tl-time{
  font-weight:800;font-size:14px;color:var(--purple-light);
  background:var(--panel);border:1px solid var(--line);border-radius:10px;
  text-align:center;padding:6px 0;height:fit-content;position:relative;z-index:1;
}
.tl-body{
  background:rgba(27,20,54,.72);border:1px solid var(--line);border-radius:12px;
  padding:10px 14px;
}
.tl-body h3{font-size:14px;margin-bottom:3px;}
.tl-body p{font-size:12.5px;}

/* ---------- wish / charts ---------- */
.dual{display:grid;grid-template-columns:1fr 1fr;gap:28px;}
.rank-panel, .wish-panel{
  border:1px solid var(--line);border-radius:18px;padding:22px;
  background:linear-gradient(160deg,rgba(27,20,54,.92),rgba(16,11,32,.92));
}
.rank-list{list-style:none;display:grid;gap:9px;}
.rank-list li{
  display:grid;grid-template-columns:26px 1fr auto;gap:10px;align-items:center;
  font-size:13.5px;padding:8px 10px;border-radius:10px;
  background:rgba(255,255,255,.03);
}
.rank-list li span:first-child{font-weight:800;color:var(--purple-light);font-size:13px;}
.rank-list li em{font-style:normal;font-size:11.5px;color:var(--pink);}
.rank-list li:nth-child(-n+3){
  background:linear-gradient(90deg,rgba(139,92,246,.26),rgba(139,92,246,.04));
}

/* ---------- reviews ---------- */
.reviews{background:radial-gradient(700px 400px at 12% 10%,rgba(255,77,157,.14),transparent 60%),#100b20;}
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.review-card{
  border:1px solid var(--line);border-radius:14px;padding:16px;
  background:rgba(27,20,54,.8);display:flex;flex-direction:column;gap:8px;
}
.review-head{display:flex;align-items:center;gap:10px;}
.review-head img{width:30px;height:30px;border-radius:50%;object-fit:cover;}
.review-head b{font-size:13px;}
.review-card p{font-size:12.5px;}

/* ---------- safety ---------- */
.safety{background:linear-gradient(180deg,#100b20,#0d0a17);}
.qa-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.qa{border:1px solid var(--line);border-radius:12px;padding:16px;background:rgba(27,20,54,.6);}
.qa h3{font-size:14px;margin-bottom:6px;color:#e6ddff;}
.qa p{font-size:12.5px;}

/* ---------- faq ---------- */
.faq{background:#0d0a17;}
.faq-list{display:grid;gap:12px;}
.faq-item{border:1px solid var(--line);border-radius:12px;background:var(--panel);overflow:hidden;}
.faq-q{
  width:100%;text-align:left;background:none;border:0;color:var(--text);
  font-size:14px;font-weight:700;padding:14px 16px;cursor:pointer;
  display:flex;justify-content:space-between;gap:12px;font-family:inherit;
}
.faq-q::after{content:"+";color:var(--purple-light);font-weight:800;}
.faq-item.open .faq-q::after{content:"–";}
.faq-a{padding:0 16px 14px;font-size:13px;color:var(--muted);}

/* ---------- download ---------- */
.download{
  background:
    radial-gradient(720px 420px at 50% 0%,rgba(139,92,246,.28),transparent 62%),
    #0d0a17;
  text-align:center;
}
.download h2{margin-bottom:10px;}
.download .lead{margin:0 auto 28px;}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:0 0 34px;list-style:none;text-align:left;}
.steps li{
  border:1px solid var(--line);border-radius:14px;padding:16px;
  background:rgba(27,20,54,.7);
}
.steps b{display:block;font-size:13px;color:var(--purple-light);margin-bottom:4px;}
.steps p{font-size:12.5px;}
.download .dl-group{justify-content:center;}

/* ---------- footer ---------- */
.site-footer{
  background:#0a0714;border-top:1px solid var(--line);padding:40px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:28px;margin-bottom:26px;}
.footer-grid h3{font-size:14px;margin-bottom:10px;color:#e6ddff;}
.footer-grid p,.footer-grid li{font-size:12.5px;color:var(--muted);}
.footer-grid ul{list-style:none;display:grid;gap:6px;}
.copyright{
  border-top:1px solid var(--line);padding-top:16px;
  font-size:12px;color:#7d7398;display:flex;flex-wrap:wrap;gap:6px 18px;justify-content:space-between;
}
.copy-pop{
  position:fixed;inset:0;background:rgba(6,4,14,.82);display:none;
  align-items:center;justify-content:center;padding:20px;z-index:99;
}
.copy-pop.show{display:flex;}
.copy-box{
  width:100%;max-width:400px;background:var(--panel);border:1px solid var(--line);
  border-radius:16px;padding:22px;
}
.copy-box h3{font-size:15px;margin-bottom:12px;}
.copy-url{
  font-size:12.5px;word-break:break-all;background:#0d0a17;border:1px solid var(--line);
  border-radius:10px;padding:10px 12px;color:var(--purple-light);margin-bottom:14px;
}
.copy-actions{display:flex;gap:10px;}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .masonry{columns:3;}
  .review-grid{grid-template-columns:repeat(2,1fr);}
  .hero-grid{gap:28px;}
}
@media (max-width:768px){
  section{padding:44px 0;}
  .nav-toggle{display:inline-block;}
  .main-nav{
    position:absolute;left:0;right:0;top:100%;
    background:#120d24;border-bottom:1px solid var(--line);
    padding:0 20px;display:none;
  }
  .main-nav.open{display:block;padding:12px 20px 18px;}
  .main-nav ul{flex-direction:column;gap:2px;font-size:14px;}
  .main-nav a{padding:8px 0;display:block;border-bottom:1px solid rgba(160,120,255,.10);}
  .header-inner{position:relative;flex-wrap:nowrap;}
  .hero{padding:40px 0 48px;}
  .hero-grid{grid-template-columns:1fr;gap:26px;}
  .phone-card:nth-child(2){transform:none;}
  .masonry{columns:2;column-gap:12px;}
  .masonry .card-break{margin-bottom:12px;}
  .z-row,.z-row.reverse{grid-template-columns:1fr;gap:20px;}
  .z-row.reverse .z-pic{order:0;}
  .z-pic img{aspect-ratio:4/3;}
  .timeline::before{left:44px;}
  .tl-item{grid-template-columns:76px 1fr;gap:12px;}
  .tl-time{font-size:12.5px;padding:4px 0;}
  .dual{grid-template-columns:1fr;}
  .review-grid{grid-template-columns:1fr;}
  .qa-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:22px;}
  .dl-btn{flex:1 1 calc(50% - 12px);padding:12px 14px;font-size:13.5px;}
  .dl-btn.other{flex:1 1 100%;}
}
@media (max-width:420px){
  .masonry{columns:1;}
  .dl-btn{flex:1 1 100%;}
}