:root{
  --mist:#f4f8fb;
  --ice:#e3eef7;
  --mint:#7fe3c4;
  --coral:#ff9a86;
  --ink:#243746;
  --ink-soft:#5b7183;
  --glass:rgba(255,255,255,.55);
  --line:rgba(255,255,255,.8);
  --radius:24px;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  color:var(--ink);
  background:
    radial-gradient(900px 600px at 12% 0%, rgba(127,227,196,.28), transparent 60%),
    radial-gradient(800px 600px at 88% 12%, rgba(255,154,134,.24), transparent 62%),
    linear-gradient(160deg,#f8fbfd 0%,var(--mist) 38%,var(--ice) 100%);
  background-attachment:fixed;
  line-height:1.7;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
.wrap{width:min(1200px,92vw);margin:0 auto;}
.glass{
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:0 18px 44px -26px rgba(60,110,150,.5),inset 0 1px 0 rgba(255,255,255,.9);
  border-radius:var(--radius);
}
/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:50;
  transition:background .3s,box-shadow .3s,padding .3s;
  padding:14px 0;
}
.site-header.shrink{
  background:rgba(248,251,253,.78);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:0 10px 30px -22px rgba(40,90,130,.6);
  padding:8px 0;
}
.header-inner{display:flex;align-items:center;gap:20px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:19px;letter-spacing:.5px;}
.brand img{height:34px;width:auto;border-radius:10px;}
.nav-links{display:flex;gap:22px;margin-left:10px;}
.nav-links a{font-size:14.5px;color:var(--ink-soft);padding:4px 2px;border-bottom:2px solid transparent;transition:.25s;}
.nav-links a:hover{color:var(--ink);border-bottom-color:var(--mint);}
.header-right{margin-left:auto;display:flex;align-items:center;gap:12px;}
.search-box{
  display:flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.7);
  border:1px solid rgba(160,200,225,.5);
  border-radius:999px;padding:7px 14px;
  width:210px;
}
.search-box input{border:none;background:transparent;outline:none;font-size:13.5px;width:100%;color:var(--ink);}
.search-box span{font-size:14px;color:#8fa9bc;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  border-radius:999px;font-size:14.5px;font-weight:600;
  padding:10px 22px;border:none;cursor:pointer;transition:.25s;
}
.btn-main{background:linear-gradient(120deg,var(--mint),var(--coral));color:#12333f;box-shadow:0 10px 26px -14px rgba(120,220,195,.9);}
.btn-main:hover{transform:translateY(-2px);box-shadow:0 16px 30px -14px rgba(255,154,134,.9);}
.btn-ghost{background:rgba(255,255,255,.68);border:1px solid rgba(150,195,220,.6);color:var(--ink);}
.btn-ghost:hover{background:#fff;}
.dl-wrap{position:relative;}
.dl-panel{
  position:absolute;right:0;top:calc(100% + 12px);width:308px;
  padding:18px;border-radius:22px;
  background:rgba(255,255,255,.86);
  border:1px solid var(--line);
  backdrop-filter:blur(20px);
  box-shadow:0 26px 60px -30px rgba(40,90,130,.65);
  display:none;
  transform-origin:top right;
}
.dl-panel.open{display:block;animation:pop .26s ease;}
@keyframes pop{from{opacity:.2;transform:scale(.92);}to{opacity:1;transform:scale(1);}}
.dl-item{
  display:flex;align-items:center;gap:12px;padding:11px 13px;border-radius:16px;
  background:linear-gradient(120deg,rgba(127,227,196,.18),rgba(255,154,134,.14));
  margin-bottom:10px;transition:.2s;
}
.dl-item:hover{transform:translateX(3px);}
.dl-item b{font-size:14.5px;display:block;}
.dl-item small{font-size:12px;color:var(--ink-soft);}
.dl-meta{font-size:12.2px;color:var(--ink-soft);border-top:1px dashed rgba(150,195,220,.6);padding-top:10px;margin-top:4px;}
.dl-meta p{margin-bottom:4px;}
/* ---------- hero ---------- */
.hero{
  position:relative;min-height:100vh;display:flex;align-items:center;
  padding:130px 0 70px;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(150,195,220,.14) 1px,transparent 1px),linear-gradient(90deg,rgba(150,195,220,.14) 1px,transparent 1px);
  background-size:72px 72px;
  mask-image:radial-gradient(circle at 60% 40%,#000,transparent 72%);
  -webkit-mask-image:radial-gradient(circle at 60% 40%,#000,transparent 72%);
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:center;position:relative;}
.hero h1{font-size:clamp(34px,4.4vw,58px);line-height:1.18;letter-spacing:-.5px;font-weight:800;}
.hero h1 .brand-word{
  background:linear-gradient(110deg,#2fae8c,#ff8b73 85%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{margin-top:20px;font-size:16.5px;color:var(--ink-soft);max-width:520px;}
.hero-actions{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap;}
.stats{display:flex;gap:34px;margin-top:38px;flex-wrap:wrap;}
.stat b{display:block;font-size:26px;font-weight:800;letter-spacing:-.5px;}
.stat span{font-size:13px;color:var(--ink-soft);}
.hero-tip{margin-top:24px;font-size:12.6px;color:#8aa3b5;}
/* prism device */
.prism-stage{position:relative;display:flex;justify-content:center;align-items:center;min-height:520px;}
.lightbox{
  position:relative;width:min(340px,84%);padding:22px;border-radius:34px;
  background:linear-gradient(160deg,rgba(255,255,255,.82),rgba(226,240,250,.58));
  border:1px solid rgba(255,255,255,.95);
  box-shadow:0 40px 90px -50px rgba(50,110,160,.85),inset 0 1px 0 #fff;
  backdrop-filter:blur(10px);
}
.lightbox::after{
  content:"";position:absolute;inset:-1px;border-radius:34px;
  background:linear-gradient(140deg,rgba(127,227,196,.75),transparent 42%,rgba(255,154,134,.7));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;padding:1.5px;pointer-events:none;
}
.phone{border-radius:26px;overflow:hidden;border:5px solid #fff;box-shadow:0 18px 36px -22px rgba(40,90,130,.9);background:#fff;}
.phone img{width:100%;aspect-ratio:9/14;object-fit:cover;}
.shard{
  position:absolute;border-radius:14px;
  background:linear-gradient(135deg,rgba(255,255,255,.85),rgba(127,227,196,.34));
  border:1px solid rgba(255,255,255,.9);
  backdrop-filter:blur(6px);
  box-shadow:0 14px 30px -20px rgba(50,110,160,.8);
  animation:float 7s ease-in-out infinite;
}
@keyframes float{0%,100%{transform:translateY(0) rotate(var(--r,0deg));}50%{transform:translateY(-12px) rotate(var(--r,0deg));}}
.shard.s1{width:96px;height:96px;top:2%;left:-4%;--r:-12deg;}
.shard.s2{width:70px;height:70px;bottom:8%;right:-6%;--r:16deg;animation-delay:1.2s;}
.shard.s3{width:52px;height:52px;top:16%;right:4%;--r:24deg;animation-delay:.6s;}
.chip-data{
  position:absolute;padding:9px 14px;border-radius:14px;font-size:12px;font-weight:600;
  background:rgba(255,255,255,.84);border:1px solid rgba(255,255,255,.95);
  box-shadow:0 12px 26px -18px rgba(50,110,160,.9);animation:float 6s ease-in-out infinite;
}
.chip-data.c1{top:8%;right:-2%;color:#2fae8c;}
.chip-data.c2{bottom:14%;left:-6%;color:#e9745f;animation-delay:1.4s;}
/* ---------- section base ---------- */
section{padding:78px 0;position:relative;}
.sec-head{max-width:640px;margin-bottom:38px;}
.sec-head h2{font-size:clamp(24px,2.7vw,34px);font-weight:800;letter-spacing:-.3px;}
.sec-head p{margin-top:12px;color:var(--ink-soft);font-size:15px;}
.eyebrow{font-size:12.5px;letter-spacing:2px;text-transform:uppercase;color:#5fbfa3;font-weight:700;margin-bottom:10px;display:block;}
/* ---------- waterfall ---------- */
.waterfall{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;}
.column{display:flex;flex-direction:column;gap:22px;}
.filter-slice{
  padding:14px 18px;border-radius:20px;font-size:14px;font-weight:700;
  background:linear-gradient(120deg,rgba(255,255,255,.9),rgba(206,236,248,.7));
  border:1px solid rgba(255,255,255,.95);
  box-shadow:0 14px 30px -24px rgba(50,110,160,.9);
  display:flex;justify-content:space-between;align-items:center;
  transition:.3s;cursor:default;
}
.filter-slice span{font-size:12px;font-weight:500;color:var(--ink-soft);}
.column:hover .filter-slice{background:linear-gradient(120deg,rgba(127,227,196,.4),rgba(255,154,134,.3));transform:translateY(-2px);}
.drama-card{padding:12px;border-radius:22px;transition:transform .35s,box-shadow .35s;position:relative;}
.drama-card:hover{transform:translateY(-6px);box-shadow:0 30px 54px -34px rgba(50,110,160,.9);}
.cover{position:relative;border-radius:16px;overflow:hidden;}
.cover img{width:100%;object-fit:cover;aspect-ratio:3/4;transition:transform .5s;}
.drama-card:hover .cover img{transform:scale(1.05);}
.badge{
  position:absolute;top:10px;left:10px;font-size:11.5px;font-weight:700;
  padding:3px 10px;border-radius:999px;color:#0e3440;
  background:linear-gradient(120deg,var(--mint),#bff5e6);
}
.badge.hot{background:linear-gradient(120deg,var(--coral),#ffd0c4);}
.play-fab{
  position:absolute;right:10px;bottom:10px;width:38px;height:38px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-size:13px;color:#12333f;
  background:rgba(255,255,255,.86);box-shadow:0 10px 22px -12px rgba(0,0,0,.4);
  opacity:0;transform:scale(.8);transition:.3s;
}
.drama-card:hover .play-fab{opacity:1;transform:scale(1);}
.card-info{padding:12px 6px 4px;}
.card-info h3{font-size:15.5px;font-weight:700;}
.card-info p{font-size:12.6px;color:var(--ink-soft);margin-top:5px;}
.heat{height:5px;border-radius:99px;background:rgba(150,195,220,.28);margin-top:11px;overflow:hidden;}
.heat i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--mint),var(--coral));}
/* ---------- honeycomb ---------- */
.honeycomb{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;}
.hex{
  width:200px;padding:16px;border-radius:26px;
  background:linear-gradient(150deg,rgba(255,255,255,.86),rgba(220,238,249,.66));
  border:1px solid rgba(255,255,255,.95);
  box-shadow:0 20px 44px -30px rgba(50,110,160,.85);
  transition:transform .35s,box-shadow .35s;position:relative;overflow:hidden;
}
.hex:nth-child(even){transform:translateY(26px);}
.hex:hover{transform:translateY(-10px);box-shadow:0 28px 54px -30px rgba(50,110,160,.95);}
.hex:hover::after{content:"";position:absolute;inset:0;border-radius:26px;border:1.5px solid rgba(127,227,196,.9);pointer-events:none;}
.hex .rank{font-size:26px;font-weight:800;letter-spacing:-1px;}
.rank.gold{background:linear-gradient(120deg,#e8b23c,#f7e6a8);-webkit-background-clip:text;background-clip:text;color:transparent;}
.rank.silver{background:linear-gradient(120deg,#9fb3c4,#e2ecf3);-webkit-background-clip:text;background-clip:text;color:transparent;}
.rank.bronze{background:linear-gradient(120deg,#c98a56,#f0d0b3);-webkit-background-clip:text;background-clip:text;color:transparent;}
.rank.plain{color:#a9c0d0;}
.hex img{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:16px;margin:10px 0;}
.hex b{font-size:14.5px;display:block;}
.hex small{font-size:12.4px;color:var(--ink-soft);}
/* ---------- staggered windows ---------- */
.stagger{display:grid;grid-template-columns:repeat(6,1fr);gap:22px;}
.win{padding:12px;border-radius:22px;transition:.35s;position:relative;}
.win:nth-child(1){grid-column:span 3;}
.win:nth-child(2){grid-column:span 3;transform:translateY(30px);}
.win:nth-child(3){grid-column:span 2;}
.win:nth-child(4){grid-column:span 4;transform:translateY(24px);}
.win:hover{transform:translateY(-8px);box-shadow:0 34px 60px -36px rgba(50,110,160,.95);}
.cover.wide img{aspect-ratio:16/10;}
/* ---------- recommend prism ---------- */
.rec-grid{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center;}
.slice-stack{position:relative;min-height:340px;}
.slice{
  position:relative;padding:20px;border-radius:24px;margin-bottom:-26px;
  background:linear-gradient(140deg,rgba(255,255,255,.9),rgba(198,232,246,.62));
  border:1px solid rgba(255,255,255,.95);
  box-shadow:0 24px 50px -32px rgba(50,110,160,.9);
  transition:.35s;
}
.slice:nth-child(2){margin-left:26px;}
.slice:nth-child(3){margin-left:52px;}
.slice:hover{transform:translateX(-8px) scale(1.02);}
.slice h3{font-size:15.5px;}
.slice p{font-size:13px;color:var(--ink-soft);margin-top:6px;}
.ring{width:70px;height:70px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;color:#26856b;
  background:conic-gradient(var(--mint) 0 78%,rgba(150,195,220,.2) 78% 100%);position:relative;}
.ring::after{content:"";position:absolute;inset:7px;border-radius:50%;background:#f8fbfd;}
.ring b{position:relative;z-index:1;}
.slice-top{display:flex;align-items:center;gap:14px;}
/* ---------- feature chips ---------- */
.chips{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.chip-card{
  padding:26px 22px;border-radius:24px;
  background:linear-gradient(150deg,rgba(255,255,255,.9),rgba(226,241,251,.6));
  border:1px solid rgba(255,255,255,.95);
  box-shadow:0 22px 46px -30px rgba(50,110,160,.8);
  transform:rotate(-1.4deg);transition:.35s;position:relative;
}
.chip-card:nth-child(even){transform:rotate(1.6deg);}
.chip-card:hover{transform:rotate(0) translateY(-8px);
  border-color:rgba(127,227,196,.95);
  box-shadow:0 30px 56px -30px rgba(255,154,134,.6);}
.chip-icon{width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:19px;
  background:linear-gradient(130deg,rgba(127,227,196,.8),rgba(255,154,134,.65));color:#0e3440;margin-bottom:16px;}
.chip-card h3{font-size:16px;margin-bottom:8px;}
.chip-card p{font-size:13.4px;color:var(--ink-soft);}
/* ---------- membership tower ---------- */
.tower{
  display:grid;grid-template-columns:1.4fr 1fr;gap:30px;align-items:center;
  padding:38px;border-radius:32px;
  background:linear-gradient(135deg,rgba(255,255,255,.9),rgba(206,236,248,.62));
  border:1px solid rgba(255,255,255,.95);
  box-shadow:0 36px 80px -50px rgba(50,110,160,.95);
}
.benefit-list{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:20px;}
.benefit{display:flex;gap:10px;font-size:13.8px;color:var(--ink-soft);}
.benefit i{font-style:normal;width:24px;height:24px;border-radius:8px;flex:0 0 24px;
  background:linear-gradient(130deg,rgba(127,227,196,.85),rgba(255,154,134,.7));display:flex;align-items:center;justify-content:center;font-size:12px;color:#12333f;}
.tower-right{text-align:center;}
.tower-right .price{font-size:15px;font-weight:700;color:#2fae8c;margin-bottom:16px;}
.tower-right .btn-main{width:100%;padding:14px 20px;font-size:15.5px;}
.tower-right small{display:block;margin-top:12px;font-size:12px;color:#8aa3b5;}
/* ---------- platforms ---------- */
.platforms{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.pf{
  padding:24px 20px;border-radius:999px 999px 28px 28px;text-align:center;
  background:rgba(255,255,255,.62);border:1px solid rgba(255,255,255,.95);
  box-shadow:0 20px 42px -30px rgba(50,110,160,.85);transition:.35s;
}
.pf:hover{transform:translateY(-8px);background:rgba(255,255,255,.85);}
.pf .pf-ico{width:48px;height:48px;margin:0 auto 14px;border-radius:50%;
  background:linear-gradient(130deg,rgba(127,227,196,.9),rgba(255,154,134,.75));
  display:flex;align-items:center;justify-content:center;font-size:17px;color:#0e3440;font-weight:700;}
.pf b{font-size:14.5px;display:block;}
.pf small{font-size:12.4px;color:var(--ink-soft);}
/* ---------- download box ---------- */
.dl-box{
  display:grid;grid-template-columns:1.5fr 1fr;gap:34px;align-items:center;
  padding:42px;border-radius:32px;position:relative;overflow:hidden;
  background:linear-gradient(140deg,rgba(255,255,255,.92),rgba(214,239,250,.7));
  border:1px solid rgba(255,255,255,.98);
  box-shadow:0 40px 90px -56px rgba(50,110,160,1);
}
.dl-box::before{content:"";position:absolute;width:260px;height:260px;right:-70px;top:-90px;border-radius:40px;
  background:linear-gradient(135deg,rgba(127,227,196,.5),rgba(255,154,134,.4));filter:blur(12px);transform:rotate(28deg);}
.dl-box h2{font-size:clamp(22px,2.5vw,30px);font-weight:800;}
.dl-box p{margin-top:12px;color:var(--ink-soft);font-size:14.6px;max-width:460px;}
.store-row{display:flex;gap:14px;margin-top:26px;flex-wrap:wrap;}
.qr{width:150px;height:150px;border-radius:22px;margin:0 auto;
  background:repeating-conic-gradient(#c3dcea 0 25%,#eaf4fa 0 50%) 0 0/16px 16px;
  border:1px solid rgba(255,255,255,.95);box-shadow:0 18px 36px -26px rgba(50,110,160,.9);
  display:flex;align-items:center;justify-content:center;color:#6d8ba0;font-size:12.5px;}
.qr-side{text-align:center;position:relative;z-index:1;}
.qr-side small{display:block;margin-top:12px;font-size:12.5px;color:var(--ink-soft);}
/* ---------- footer ---------- */
.site-footer{padding:56px 0 26px;border-top:1px solid rgba(150,195,220,.4);margin-top:40px;}
.foot-grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:30px;}
.foot-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;margin-bottom:12px;}
.foot-brand img{height:30px;border-radius:8px;}
.foot-desc{font-size:13px;color:var(--ink-soft);max-width:320px;}
.foot-col h4{font-size:13.5px;margin-bottom:12px;color:var(--ink);}
.foot-col a{display:block;font-size:12.8px;color:#8aa3b5;padding:3px 0;transition:.2s;}
.foot-col a:hover{color:#2fae8c;}
.foot-bottom{margin-top:34px;padding-top:18px;border-top:1px dashed rgba(150,195,220,.5);
  display:flex;flex-wrap:wrap;gap:10px 22px;align-items:center;font-size:12px;color:#96aebb;}
.foot-bottom a{color:#96aebb;}
.foot-bottom a:hover{color:#2fae8c;}
/* ---------- reveal ---------- */
.reveal{opacity:1;transform:none;}
@media (prefers-reduced-motion: no-preference){
  .reveal{transition:transform .7s ease, box-shadow .7s ease;}
  .reveal.pre{transform:translateY(30px);}
  .reveal.in{transform:translateY(0);}
}
/* ---------- responsive ---------- */
@media (max-width:1024px){
  .nav-links{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:20px;}
  .prism-stage{min-height:440px;margin-top:20px;}
  .waterfall{grid-template-columns:repeat(2,1fr);}
  .chips{grid-template-columns:repeat(2,1fr);}
  .platforms{grid-template-columns:repeat(2,1fr);}
  .rec-grid{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr 1fr;}
  .tower{grid-template-columns:1fr;}
  .stagger{grid-template-columns:repeat(4,1fr);}
  .win:nth-child(1),.win:nth-child(2){grid-column:span 2;}
  .win:nth-child(3),.win:nth-child(4){grid-column:span 2;transform:none;}
}
@media (max-width:768px){
  .site-header{padding:10px 0;}
  .search-box{display:none;}
  .brand{font-size:16px;}
  .brand img{height:28px;}
  .hero{padding:110px 0 50px;min-height:auto;}
  .hero h1{font-size:32px;}
  .stats{gap:22px;}
  .stat b{font-size:21px;}
  .waterfall{grid-template-columns:1fr;}
  .honeycomb .hex{width:calc(50% - 8px);}
  .hex:nth-child(even){transform:none;}
  .chips{grid-template-columns:1fr;}
  .platforms{grid-template-columns:1fr;}
  .stagger{grid-template-columns:1fr;}
  .win:nth-child(1),.win:nth-child(2),.win:nth-child(3),.win:nth-child(4){grid-column:span 1;transform:none;}
  .dl-box{grid-template-columns:1fr;padding:28px;}
  .tower{padding:26px;}
  .benefit-list{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr;}
  .slice:nth-child(2){margin-left:10px;}
  .slice:nth-child(3){margin-left:20px;}
  .shard.s1{left:-8%;}
}