:root{
  --bg:#fffdf8;
  --ink:#1b1736;
  --muted:#5b5678;
  --pink:#ff3f9a;
  --cyan:#2ee6d6;
  --amber:#ffb03a;
  --violet:#7a5bff;
  --lime:#b6ff3d;
  --card:#ffffff;
  --line:rgba(27,23,54,.12);
  --glow:0 0 0 2px rgba(255,255,255,.7), 0 8px 28px rgba(255,63,154,.22);
  --radius:22px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:
    radial-gradient(900px 500px at 8% -5%, #ffe7f4 0%, transparent 60%),
    radial-gradient(800px 500px at 92% 4%, #dffaf6 0%, transparent 60%),
    radial-gradient(700px 500px at 50% 110%, #f3ecff 0%, transparent 65%),
    var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3{line-height:1.25;margin:0;letter-spacing:.01em;}
.wrap{width:min(1180px,92vw);margin:0 auto;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  backdrop-filter:blur(14px);
  background:rgba(255,253,248,.82);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  display:flex;align-items:center;gap:18px;
  padding:12px 0;flex-wrap:wrap;
}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;}
.brand img{height:34px;width:auto;border-radius:9px;}
.brand span{
  background:linear-gradient(92deg,var(--pink),var(--violet) 55%,var(--cyan));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.search-box{
  flex:1 1 260px;display:flex;align-items:center;gap:8px;
  background:#fff;border:1.5px solid var(--line);border-radius:999px;
  padding:8px 16px;min-width:0;
  box-shadow:0 2px 10px rgba(27,23,54,.04);
  transition:box-shadow .25s,border-color .25s;
}
.search-box:focus-within{border-color:var(--pink);box-shadow:var(--glow);}
.search-box input{
  border:0;outline:0;background:transparent;flex:1;min-width:0;
  font-size:14px;color:var(--ink);font-family:inherit;
}
.search-box .icon{color:var(--muted);font-size:15px;}
.cat-nav{display:flex;gap:6px;flex-wrap:wrap;}
.cat-nav a{
  font-size:13.5px;padding:6px 13px;border-radius:999px;
  color:var(--muted);border:1px solid transparent;
  transition:all .22s;
}
.cat-nav a:hover{
  color:var(--ink);border-color:var(--line);
  background:#fff;box-shadow:0 4px 14px rgba(122,91,255,.16);
  transform:translateY(-1px);
}
.login-btn{
  padding:8px 20px;border-radius:999px;font-size:14px;font-weight:700;
  color:#fff;border:0;cursor:pointer;font-family:inherit;
  background:linear-gradient(100deg,var(--pink),var(--violet));
  box-shadow:0 8px 22px rgba(255,63,154,.32);
  transition:transform .14s,box-shadow .2s,filter .2s;
}
.login-btn:hover{filter:brightness(1.06);box-shadow:0 10px 26px rgba(255,63,154,.45);}
.login-btn:active{transform:translateY(2px) scale(.98);box-shadow:0 3px 10px rgba(255,63,154,.3);}

/* ---------- hero ---------- */
.hero{padding:56px 0 40px;}
.hero-grid{
  display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;padding:6px 14px;border-radius:999px;
  background:#fff;border:1.5px solid var(--line);
  color:var(--violet);
  box-shadow:0 0 0 4px rgba(122,91,255,.07);
}
.hero-tag i{
  width:8px;height:8px;border-radius:50%;background:var(--pink);
  box-shadow:0 0 10px var(--pink);display:inline-block;
  animation:pulse 1.8s infinite;
}
@keyframes pulse{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.5);opacity:.55}}
.hero h1{
  font-size:clamp(30px,4.6vw,54px);
  font-weight:900;margin:18px 0 16px;letter-spacing:-.01em;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(96deg,var(--pink) 6%,var(--amber) 44%,var(--cyan) 96%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero p.lead{color:var(--muted);font-size:16px;max-width:520px;margin:0 0 26px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;align-items:center;}
.btn-primary{
  display:inline-flex;align-items:center;gap:9px;
  padding:14px 32px;border-radius:999px;font-weight:800;font-size:16px;
  color:#fff;background:linear-gradient(100deg,var(--pink),var(--violet));
  box-shadow:0 12px 30px rgba(255,63,154,.34);
  transition:transform .14s,box-shadow .22s,filter .2s;
}
.btn-primary:hover{filter:brightness(1.07);box-shadow:0 16px 36px rgba(255,63,154,.46);transform:translateY(-2px);}
.btn-primary:active{transform:translateY(3px) scale(.97);box-shadow:0 4px 12px rgba(255,63,154,.3);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-weight:700;font-size:15px;
  border:1.6px solid var(--line);color:var(--ink);background:#fff;
  transition:transform .14s,box-shadow .2s,border-color .2s;
}
.btn-ghost:hover{border-color:var(--violet);box-shadow:0 8px 20px rgba(122,91,255,.18);}
.btn-ghost:active{transform:translateY(2px) scale(.98);}
.hero-stats{display:flex;gap:30px;margin-top:34px;flex-wrap:wrap;}
.hero-stats div strong{display:block;font-size:19px;font-weight:900;color:var(--violet);}
.hero-stats div span{font-size:13px;color:var(--muted);}

/* slider */
.slider{
  position:relative;border-radius:28px;overflow:hidden;
  background:linear-gradient(150deg,#ffe9f5,#e8fdfa);
  border:2px solid #fff;
  box-shadow:0 24px 60px rgba(122,91,255,.2);
  aspect-ratio:4/4.7;
}
.slide{
  position:absolute;inset:0;opacity:0;transition:opacity .7s ease;
}
.slide.active{opacity:1;}
.slide img{width:100%;height:100%;object-fit:cover;}
.slide-cap{
  position:absolute;left:0;right:0;bottom:0;padding:56px 22px 20px;
  background:linear-gradient(to top,rgba(20,16,40,.88),rgba(20,16,40,0));
  color:#fff;
}
.slide-cap b{display:block;font-size:19px;margin-bottom:4px;}
.slide-cap small{color:rgba(255,255,255,.82);font-size:13px;}
.slider-dots{
  position:absolute;bottom:14px;right:18px;display:flex;gap:7px;z-index:3;
}
.slider-dots button{
  width:9px;height:9px;border-radius:50%;border:0;cursor:pointer;padding:0;
  background:rgba(255,255,255,.45);transition:all .25s;
}
.slider-dots button.on{background:var(--lime);width:22px;border-radius:99px;box-shadow:0 0 10px var(--lime);}

/* ---------- section basics ---------- */
section{padding:52px 0;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:20px;margin-bottom:28px;flex-wrap:wrap;
}
.section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:900;}
.section-head h2 span{color:var(--pink);}
.section-head p{margin:6px 0 0;color:var(--muted);font-size:14.5px;}
.link-more{font-size:13.5px;font-weight:700;color:var(--violet);}
.link-more:hover{color:var(--pink);}

/* ---------- quick categories ---------- */
.quick-grid{
  display:grid;grid-template-columns:repeat(5,1fr);gap:18px;
}
.quick-item{
  display:flex;flex-direction:column;align-items:center;gap:10px;
  padding:22px 10px;border-radius:var(--radius);
  background:#fff;border:1.6px solid var(--line);
  transition:transform .22s,box-shadow .25s,border-color .25s;
  text-align:center;
}
.quick-item .qi-icon{
  width:56px;height:56px;border-radius:18px;
  display:grid;place-items:center;font-size:25px;
  background:linear-gradient(145deg,#fff0f8,#e6fffb);
  box-shadow:inset 0 0 0 1.5px #fff,0 6px 16px rgba(255,63,154,.14);
}
.quick-item span{font-size:14px;font-weight:700;}
.quick-item small{font-size:11.5px;color:var(--muted);}
.quick-item:hover{
  transform:translateY(-5px) scale(1.035);
  border-color:transparent;
  box-shadow:0 14px 34px rgba(255,63,154,.24),0 0 0 2px rgba(46,230,214,.5);
}

/* ---------- editor picks ---------- */
.scroll-row{
  display:flex;gap:20px;overflow-x:auto;padding:4px 2px 18px;
  scroll-snap-type:x mandatory;
}
.scroll-row::-webkit-scrollbar{height:7px;}
.scroll-row::-webkit-scrollbar-thumb{background:linear-gradient(90deg,var(--pink),var(--cyan));border-radius:99px;}
.pick-card{
  flex:0 0 clamp(260px,32vw,360px);scroll-snap-align:start;
  border-radius:26px;overflow:hidden;position:relative;
  background:#fff;border:2px solid #fff;
  box-shadow:0 14px 34px rgba(27,23,54,.12);
  transition:transform .25s,box-shadow .25s;
}
.pick-card img{width:100%;height:230px;object-fit:cover;}
.pick-card:hover{transform:translateY(-6px) scale(1.02);box-shadow:0 22px 46px rgba(122,91,255,.3);}
.pick-body{padding:16px 18px 20px;}
.pick-body b{display:block;font-size:16.5px;margin-bottom:6px;}
.pick-body p{margin:0;color:var(--muted);font-size:13.5px;}
.pick-tag{
  position:absolute;top:14px;left:14px;font-size:11.5px;font-weight:800;
  padding:4px 11px;border-radius:99px;color:#1b1736;
  background:var(--lime);box-shadow:0 0 14px rgba(182,255,61,.8);
}

/* ---------- ranking ---------- */
.tabs{display:flex;gap:8px;flex-wrap:wrap;}
.tab-btn{
  padding:8px 20px;border-radius:999px;font-size:14px;font-weight:700;
  border:1.6px solid var(--line);background:#fff;color:var(--muted);
  cursor:pointer;font-family:inherit;transition:all .2s;
}
.tab-btn:hover{border-color:var(--violet);color:var(--ink);}
.tab-btn.on{
  color:#fff;border-color:transparent;
  background:linear-gradient(100deg,var(--pink),var(--violet));
  box-shadow:0 8px 20px rgba(255,63,154,.32);
}
.tab-btn:active{transform:scale(.96);}
.rank-list{display:grid;gap:12px;}
.rank-item{
  display:flex;align-items:center;gap:16px;
  background:#fff;border:1.6px solid var(--line);border-radius:18px;
  padding:12px 18px;transition:transform .2s,box-shadow .25s,border-color .25s;
}
.rank-item:hover{transform:translateX(5px);border-color:var(--cyan);box-shadow:0 12px 28px rgba(46,230,214,.28);}
.rank-no{
  font-size:23px;font-weight:900;font-style:italic;width:40px;flex:none;
  color:var(--muted);text-align:center;
}
.rank-item:nth-child(1) .rank-no{color:var(--pink);text-shadow:0 0 16px rgba(255,63,154,.55);}
.rank-item:nth-child(2) .rank-no{color:var(--violet);}
.rank-item:nth-child(3) .rank-no{color:var(--amber);}
.rank-cover{width:52px;height:70px;border-radius:10px;object-fit:cover;flex:none;}
.rank-info{flex:1;min-width:0;}
.rank-info b{display:block;font-size:15.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.rank-info small{color:var(--muted);font-size:12.5px;}
.rank-heat{
  font-size:12.5px;font-weight:800;color:#fff;flex:none;
  padding:5px 12px;border-radius:99px;
  background:linear-gradient(100deg,var(--amber),var(--pink));
}
.rank-panel{display:none;}
.rank-panel.on{display:grid;}

/* ---------- updates grid ---------- */
.update-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.up-card{
  border-radius:20px;overflow:hidden;background:#fff;
  border:1.6px solid var(--line);position:relative;
  transition:transform .22s,box-shadow .25s;
}
.up-card img{width:100%;height:200px;object-fit:cover;transition:transform .4s;}
.up-card:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(122,91,255,.24);}
.up-card:hover img{transform:scale(1.06);}
.up-mask{
  position:absolute;inset:0 0 auto 0;height:200px;
  display:grid;place-items:center;
  background:linear-gradient(to top,rgba(27,23,54,.72),rgba(255,63,154,.28));
  opacity:0;transition:opacity .28s;
}
.up-card:hover .up-mask{opacity:1;}
.up-mask span{
  padding:9px 22px;border-radius:99px;font-weight:800;font-size:14px;
  background:#fff;color:var(--pink);
  box-shadow:0 0 18px rgba(255,255,255,.7);
}
.up-body{padding:13px 15px 16px;}
.up-body b{display:block;font-size:14.5px;margin-bottom:3px;}
.up-body small{color:var(--muted);font-size:12px;display:block;}
.up-body em{font-style:normal;color:var(--pink);font-weight:700;}

/* ---------- theme collections ---------- */
.theme-block{
  border-radius:26px;padding:26px 26px 10px;margin-bottom:22px;
  border:1.6px solid var(--line);background:#fff;
  box-shadow:0 10px 26px rgba(27,23,54,.06);
}
.theme-block h3{font-size:18px;display:flex;align-items:center;gap:10px;margin-bottom:4px;}
.theme-block h3 i{
  width:10px;height:22px;border-radius:6px;display:inline-block;
  background:linear-gradient(180deg,var(--pink),var(--amber));
}
.theme-block p.desc{color:var(--muted);font-size:13.5px;margin:0 0 16px;}
.theme-row{display:flex;gap:16px;overflow-x:auto;padding-bottom:16px;}
.theme-book{flex:0 0 116px;transition:transform .22s;}
.theme-book:hover{transform:translateY(-4px);}
.theme-book img{width:116px;height:156px;object-fit:cover;border-radius:14px;box-shadow:0 8px 20px rgba(27,23,54,.16);}
.theme-book span{display:block;font-size:12.5px;margin-top:7px;line-height:1.4;font-weight:600;}

/* ---------- preview (实图) ---------- */
.preview-wrap{
  background:linear-gradient(140deg,#1b1736,#2c2358 55%,#3a1f4d);
  border-radius:32px;padding:44px 36px;color:#fff;
  box-shadow:0 26px 60px rgba(27,23,54,.32);
}
.preview-wrap .section-head h2{color:#fff;}
.preview-wrap .section-head p{color:rgba(255,255,255,.68);}
.shot-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.shot{
  border-radius:20px;overflow:hidden;background:rgba(255,255,255,.07);
  border:1.6px solid rgba(255,255,255,.16);
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.shot:hover{transform:translateY(-6px) scale(1.02);border-color:var(--cyan);box-shadow:0 0 30px rgba(46,230,214,.45);}
.shot img{width:100%;aspect-ratio:9/16;object-fit:cover;object-position:top;}
.shot figcaption{
  padding:10px 12px 13px;font-size:12.5px;color:rgba(255,255,255,.78);
}

/* ---------- app intro ---------- */
.intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;}
.intro-grid h2{font-size:clamp(22px,2.6vw,30px);font-weight:900;margin-bottom:16px;}
.intro-grid h2 span{color:var(--cyan);}
.intro-grid p{color:var(--muted);font-size:15px;margin:0 0 14px;}
.feature-list{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:8px;}
.feature-item{
  background:#fff;border:1.6px solid var(--line);border-radius:18px;
  padding:16px 18px;transition:transform .2s,box-shadow .25s,border-color .25s;
}
.feature-item h3{font-size:15px;margin-bottom:5px;}
.feature-item p{font-size:13px;margin:0;color:var(--muted);}
.feature-item:hover{transform:translateY(-4px);border-color:var(--cyan);box-shadow:0 12px 28px rgba(46,230,214,.24);}
.intro-art{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.intro-art img{border-radius:18px;box-shadow:0 14px 34px rgba(27,23,54,.16);}
.intro-art img:first-child{grid-row:span 2;height:100%;object-fit:cover;}

/* ---------- download ---------- */
.download{
  margin:20px 0 10px;
  border-radius:32px;padding:52px 36px;text-align:center;
  background:
    radial-gradient(600px 240px at 15% 0%,rgba(255,177,58,.35),transparent 65%),
    radial-gradient(600px 260px at 88% 100%,rgba(46,230,214,.35),transparent 65%),
    linear-gradient(120deg,#fff4fb,#eefcff);
  border:1.6px solid var(--line);
}
.download h2{font-size:clamp(24px,3vw,34px);font-weight:900;margin-bottom:12px;}
.download h2 span{color:var(--pink);}
.download p{color:var(--muted);font-size:15px;margin:0 auto 26px;max-width:620px;}
.download .btn-primary{font-size:17px;padding:16px 44px;}
.dl-note{margin-top:16px;font-size:12.5px;color:var(--muted);}

/* ---------- footer ---------- */
.site-footer{
  border-top:1px solid var(--line);margin-top:40px;padding:44px 0 26px;
  background:rgba(255,255,255,.6);
}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;}
.foot-brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:17px;margin-bottom:12px;}
.foot-brand img{height:30px;border-radius:8px;}
.site-footer p{font-size:13px;color:var(--muted);margin:0 0 8px;}
.foot-col h3{font-size:14px;margin-bottom:10px;}
.foot-col a{display:block;font-size:13px;color:var(--muted);padding:3px 0;transition:color .2s;}
.foot-col a:hover{color:var(--pink);}
.foot-bottom{
  border-top:1px solid var(--line);margin-top:30px;padding-top:18px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12.5px;color:var(--muted);
}
.foot-bottom time{color:#9a95b3;}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .slider{aspect-ratio:16/12;max-width:560px;margin:0 auto;width:100%;}
  .quick-grid{grid-template-columns:repeat(4,1fr);}
  .update-grid{grid-template-columns:repeat(3,1fr);}
  .intro-grid{grid-template-columns:1fr;gap:30px;}
  .shot-grid{grid-template-columns:repeat(2,1fr);}
  .foot-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:768px){
  .nav-inner{gap:10px;}
  .search-box{order:3;flex:1 1 100%;}
  .cat-nav{order:4;flex:1 1 100%;overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px;}
  .cat-nav a{white-space:nowrap;}
  .hero{padding:36px 0 24px;}
  section{padding:36px 0;}
  .quick-grid{grid-template-columns:repeat(3,1fr);gap:12px;}
  .quick-item{padding:16px 6px;}
  .quick-item .qi-icon{width:46px;height:46px;font-size:21px;border-radius:15px;}
  .update-grid{grid-template-columns:repeat(2,1fr);gap:14px;}
  .up-card img{height:150px;}
  .up-mask{height:150px;}
  .preview-wrap{padding:28px 18px;border-radius:24px;}
  .shot-grid{grid-template-columns:repeat(2,1fr);gap:12px;}
  .feature-list{grid-template-columns:1fr;}
  .intro-art{grid-template-columns:1fr 1fr;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:22px;}
  .download{padding:36px 20px;border-radius:24px;}
  .rank-item{gap:10px;padding:10px 12px;}
  .rank-heat{display:none;}
  .hero-stats{gap:20px;}
}
@media (max-width:420px){
  .quick-grid{grid-template-columns:repeat(2,1fr);}
  .update-grid{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr;}
}