:root{
  --ink:#1E1433;
  --ink-2:#2B1D4A;
  --violet:#7A4DFF;
  --violet-d:#5A2EE0;
  --violet-l:#EFE9FF;
  --pink:#F25CA2;
  --pink-d:#D63C86;
  --pink-l:#FFE9F4;
  --bg:#F8F5FF;
  --glass:rgba(255,255,255,.72);
  --line:rgba(122,77,255,.15);
  --muted:#6C6383;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  color:var(--ink);background:#fff;line-height:1.85;font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{line-height:1.35;font-weight:800}
.wrap{width:100%;max-width:1100px;margin:0 auto;padding:0 26px}

/* ============ 顶栏：玻璃 ============ */
.top{
  position:sticky;top:0;z-index:90;
  background:rgba(255,255,255,.76);
  border-bottom:1px solid var(--line);
  -webkit-backdrop-filter:blur(16px) saturate(160%);backdrop-filter:blur(16px) saturate(160%);
}
.top.on{box-shadow:0 10px 30px rgba(90,46,224,.1)}
.top-in{display:flex;align-items:center;height:70px;gap:18px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand img{width:36px;height:36px;border-radius:12px;box-shadow:0 4px 14px rgba(122,77,255,.28)}
.brand-t b{display:block;font-size:18px;letter-spacing:1.2px;line-height:1.2}
.brand-t small{display:block;font-size:10px;letter-spacing:2px;color:var(--muted);margin-top:3px}
.nav{display:flex;gap:24px;margin-left:auto;font-size:13px;font-weight:700;color:#574C71}
.nav a{position:relative;padding:4px 0}
.nav a::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--violet),var(--pink));transition:right .25s ease;
}
.nav a:hover{color:var(--violet-d)}
.nav a:hover::after{right:0}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;color:var(--ink);padding:4px}
.cta{
  flex:none;color:#fff;font-size:12.5px;font-weight:800;letter-spacing:.6px;
  padding:10px 21px;border-radius:999px;
  background:linear-gradient(120deg,var(--violet),var(--pink));
  box-shadow:0 6px 18px rgba(122,77,255,.34);
}
.cta:hover{filter:brightness(1.06)}

/* ============ 英雄区：夜空紫粉 ============ */
.hero{
  position:relative;overflow:hidden;padding:64px 0 60px;color:#F4F0FF;
  background:
    radial-gradient(560px 420px at 82% 0%,rgba(242,92,162,.34),transparent 70%),
    radial-gradient(640px 480px at 6% 96%,rgba(122,77,255,.5),transparent 72%),
    linear-gradient(150deg,#170F2E 0%,#241547 52%,#321A5C 100%);
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(620px 420px at 50% 30%,#000,transparent 78%);
  mask-image:radial-gradient(620px 420px at 50% 30%,#000,transparent 78%);
}
.hero::after{
  content:"";position:absolute;width:420px;height:420px;right:-120px;bottom:-180px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,92,162,.3),transparent 66%);
  filter:blur(10px);pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:46px;align-items:center;position:relative;z-index:1}
.kick{
  display:inline-flex;align-items:center;gap:9px;font-size:11px;letter-spacing:2.6px;
  color:#E7C9FF;margin-bottom:16px;
}
.kick::before{content:"";width:8px;height:8px;border-radius:3px;transform:rotate(45deg);background:linear-gradient(135deg,#B894FF,var(--pink))}
.hero h1{
  font-size:64px;letter-spacing:4px;line-height:1.1;margin-bottom:14px;color:#FBF8FF;font-weight:900;
}
.hero h1 span{
  background:linear-gradient(100deg,#B894FF 0%,#F58FC5 58%,#FFD3E8 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero .lead{font-size:18.5px;font-weight:800;color:#F0E8FF;margin-bottom:13px;letter-spacing:.4px}
.hero .desc{font-size:14.6px;color:rgba(240,232,255,.76);max-width:552px;margin-bottom:26px;line-height:2}
.acts{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.btn{
  display:inline-flex;align-items:center;gap:8px;color:#fff;
  padding:13px 28px;border-radius:999px;font-weight:800;font-size:15px;
  background:linear-gradient(120deg,var(--violet),var(--pink));
  box-shadow:0 8px 24px rgba(242,92,162,.32),0 3px 0 rgba(90,46,224,.5);
}
.btn svg{width:17px;height:17px}
.btn:hover{filter:brightness(1.07);transform:translateY(1px)}
.ghost{
  display:inline-flex;align-items:center;padding:12px 22px;border-radius:999px;
  border:1px solid rgba(255,255,255,.34);color:#F0E8FF;font-size:13.5px;font-weight:700;
  background:rgba(255,255,255,.08);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
}
.ghost:hover{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.56)}
.facts{
  display:flex;flex-wrap:wrap;gap:0;margin-top:30px;padding-top:16px;
  border-top:1px solid rgba(255,255,255,.18);
}
.facts div{padding:0 20px;border-left:1px solid rgba(255,255,255,.14)}
.facts div:first-child{padding-left:0;border-left:0}
.facts b{display:block;font-size:12.5px;color:#F4EEFF;letter-spacing:.6px}
.facts span{display:block;font-size:11px;color:rgba(240,232,255,.56);margin-top:2px}

/* 玻璃屏叠放 */
.album{position:relative;height:486px;z-index:1}
.orb{
  position:absolute;left:8%;top:6%;width:84%;height:84%;border-radius:50%;
  background:conic-gradient(from 210deg,rgba(122,77,255,.6),rgba(242,92,162,.5),rgba(140,200,255,.4),rgba(122,77,255,.6));
  filter:blur(46px);opacity:.55;
}
.pane{
  position:absolute;margin:0;padding:7px;border-radius:22px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.32);
  box-shadow:0 24px 50px rgba(10,4,30,.5),inset 0 1px 0 rgba(255,255,255,.4);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
}
.pane img{width:100%;height:100%;object-fit:cover;border-radius:16px}
.p1{left:0;top:9%;width:52%;height:68%;transform:rotate(-5deg);z-index:2}
.p2{left:25%;top:0;width:50%;height:64%;transform:rotate(3.4deg);z-index:3}
.p3{right:2%;bottom:2%;width:46%;height:58%;transform:rotate(-2deg);z-index:4}
.chip{
  position:absolute;left:2%;bottom:11%;z-index:6;
  padding:8px 15px;border-radius:999px;font-size:11.5px;font-weight:800;letter-spacing:1.6px;color:#fff;
  background:linear-gradient(120deg,rgba(122,77,255,.9),rgba(242,92,162,.9));
  border:1px solid rgba(255,255,255,.4);
  box-shadow:0 12px 26px rgba(20,8,48,.44);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}

/* ============ 通用区块 ============ */
.sec{padding:68px 0;background:#fff}
.band{
  background:
    radial-gradient(520px 300px at 92% 0%,rgba(242,92,162,.1),transparent 70%),
    radial-gradient(520px 320px at 4% 100%,rgba(122,77,255,.12),transparent 72%),
    var(--bg);
  border-top:1px solid rgba(122,77,255,.1);border-bottom:1px solid rgba(122,77,255,.1);
}
.hd2{display:grid;grid-template-columns:90px 1fr;gap:18px;align-items:start;margin-bottom:32px}
.hd2 .no{
  font-size:10.5px;font-weight:800;letter-spacing:1px;color:var(--violet-d);
  background:var(--violet-l);border:1px solid rgba(122,77,255,.2);
  border-radius:999px;padding:5px 11px;white-space:nowrap;text-align:center;
}
.hd2 h2{font-size:31px;letter-spacing:1.6px;margin-bottom:7px}
.hd2 h2::after{
  content:"";display:block;width:52px;height:4px;border-radius:3px;margin-top:10px;
  background:linear-gradient(90deg,var(--violet),var(--pink));
}
.hd2 p{font-size:14.4px;color:var(--muted);max-width:800px}

/* 特色：玻璃卡 */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{
  position:relative;overflow:hidden;background:var(--glass);
  border:1px solid rgba(255,255,255,.9);border-radius:20px;
  padding:22px 20px 24px;
  box-shadow:0 12px 32px rgba(90,46,224,.08);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  transition:transform .22s ease,box-shadow .22s ease;
}
.card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:linear-gradient(90deg,var(--violet),var(--pink));opacity:.75;
}
.card .n{
  display:inline-block;font-size:11px;font-weight:900;letter-spacing:1.6px;color:var(--pink-d);
  padding:1px 9px;border-radius:999px;background:var(--pink-l);
}
.card h4{font-size:17.5px;letter-spacing:.8px;margin:11px 0 7px}
.card p{font-size:13.5px;color:#5F5578;line-height:1.9}
.card:hover{transform:translateY(-4px);box-shadow:0 20px 42px rgba(122,77,255,.16)}

/* 界面：一大 + 三小 */
.spread{display:grid;grid-template-columns:1.1fr .9fr;gap:20px;align-items:start}
.spread figure{
  margin:0;background:var(--glass);border:1px solid rgba(255,255,255,.9);border-radius:20px;
  box-shadow:0 14px 34px rgba(90,46,224,.09);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
}
.big{padding:10px}
.big img{width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:14px}
.big figcaption{font-size:12.5px;color:var(--muted);padding:10px 4px 2px;letter-spacing:.6px}
.strip{display:grid;gap:14px}
.strip figure{display:grid;grid-template-columns:88px 1fr;gap:14px;align-items:center;padding:10px}
.strip img{width:88px;height:118px;object-fit:cover;border-radius:12px}
.strip figcaption{font-size:13.2px;color:#5F5578;letter-spacing:.4px}

/* 指南：五步 */
.steps{
  list-style:none;position:relative;margin-top:4px;padding:24px 26px 8px;max-width:900px;
  background:var(--glass);border:1px solid rgba(255,255,255,.9);border-radius:22px;
  box-shadow:0 14px 34px rgba(90,46,224,.08);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
}
.steps::before{
  content:"";position:absolute;left:45px;top:40px;bottom:32px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,var(--violet),rgba(242,92,162,.2));
}
.steps li{position:relative;padding:0 0 22px 52px;font-size:14.2px;color:#4E4468;line-height:1.9}
.steps li:last-child{padding-bottom:14px}
.steps b{
  position:absolute;left:0;top:-1px;width:38px;height:38px;border-radius:13px;
  background:linear-gradient(135deg,var(--violet),var(--pink));color:#fff;
  display:grid;place-items:center;font-size:12px;font-weight:900;
  box-shadow:0 6px 16px rgba(122,77,255,.3);z-index:1;
}
.gnote{
  margin-top:16px;max-width:900px;border-radius:14px;
  border-left:3px solid var(--pink);background:var(--pink-l);
  padding:12px 16px;font-size:13px;color:#8A4568;
}

/* 答疑：玻璃条目 */
.qa{display:grid;gap:12px}
.qa-item{
  display:grid;grid-template-columns:58px 1fr;gap:16px;align-items:start;
  padding:18px 20px;border-radius:16px;background:var(--glass);
  border:1px solid rgba(255,255,255,.92);box-shadow:0 8px 24px rgba(90,46,224,.06);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
}
.qa-item .qn{
  font-size:12px;font-weight:900;color:var(--violet-d);letter-spacing:1px;
  padding:4px 0 0;text-align:center;
}
.qa-item h3{font-size:16.5px;letter-spacing:.6px;margin-bottom:7px}
.qa-item p{font-size:13.8px;color:#5F5578;line-height:1.9}

/* 评价 */
.rev-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.rev-card{
  position:relative;background:var(--glass);border:1px solid rgba(255,255,255,.92);
  border-radius:20px;padding:26px 20px 16px;
  box-shadow:0 14px 34px rgba(90,46,224,.09);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
}
.rev-card::before{
  content:"\201C";position:absolute;top:0;right:14px;font-family:Georgia,serif;
  font-size:66px;line-height:1;
  background:linear-gradient(120deg,var(--violet),var(--pink));
  -webkit-background-clip:text;background-clip:text;color:transparent;opacity:.55;
}
.rev-card:nth-child(2){margin-top:16px}
.rev-card blockquote{position:relative;z-index:1;font-size:13.4px;color:#4E4468;line-height:1.95}
.rev-card .who{
  display:flex;align-items:center;gap:8px;margin-top:14px;padding-top:10px;
  border-top:1px dashed var(--line);font-size:10.8px;color:var(--muted);
}
.rev-card .who i{
  width:23px;height:23px;border-radius:8px;
  background:linear-gradient(135deg,var(--violet-l),var(--pink-l));color:var(--violet-d);
  font-style:normal;font-size:10.5px;font-weight:900;display:grid;place-items:center;
}
.rev-card .who time{letter-spacing:0}

/* ============ 下载区 ============ */
.get{
  position:relative;overflow:hidden;padding:66px 0 68px;color:#F4F0FF;text-align:center;
  background:
    radial-gradient(520px 340px at 50% 0%,rgba(242,92,162,.3),transparent 72%),
    radial-gradient(620px 400px at 12% 100%,rgba(122,77,255,.4),transparent 74%),
    linear-gradient(160deg,#1A1036,#2A1650 60%,#371B60);
}
.get::before{
  content:"";position:absolute;left:50%;top:12px;width:440px;height:440px;margin-left:-220px;
  border:1px solid rgba(255,255,255,.16);border-radius:50%;
}
.get::after{
  content:"";position:absolute;left:50%;top:58px;width:348px;height:348px;margin-left:-174px;
  border:1px dashed rgba(255,255,255,.14);border-radius:50%;
}
.get-in{position:relative;z-index:1}
.dlogo{display:flex;align-items:center;justify-content:center;gap:11px;margin-bottom:14px}
.dlogo img{width:46px;height:46px;border-radius:14px;border:1px solid rgba(255,255,255,.4);box-shadow:0 8px 20px rgba(0,0,0,.3)}
.dlogo em{font-style:normal;font-size:10px;letter-spacing:3px;color:rgba(240,232,255,.62)}
.get h2{font-size:34px;letter-spacing:2px;margin-bottom:11px;color:#FBF8FF}
.get h2 em{
  font-style:normal;
  background:linear-gradient(100deg,#B894FF,#FFA8D4);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.get p{font-size:13.9px;color:rgba(240,232,255,.74);max-width:660px;margin:0 auto 20px;line-height:1.95}
.dm{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-bottom:24px}
.dm span{
  font-size:11px;border:1px solid rgba(255,255,255,.26);border-radius:999px;
  padding:3px 12px;color:rgba(240,232,255,.84);background:rgba(255,255,255,.06);
}
.get .btn{box-shadow:0 10px 30px rgba(242,92,162,.36),0 3px 0 rgba(90,46,224,.5)}

/* ============ 页脚 ============ */
.ft{background:#150E28;color:rgba(240,232,255,.6);padding:34px 0 26px;font-size:12.2px}
.ft-in{display:flex;flex-wrap:wrap;gap:10px 26px;align-items:flex-start;justify-content:space-between}
.ft-brand{display:flex;align-items:center;gap:9px;color:#F0E8FF;font-weight:800;font-size:13.5px;letter-spacing:1.2px}
.ft-brand img{width:26px;height:26px;border-radius:9px}
.ft p{max-width:520px;line-height:1.9;color:rgba(240,232,255,.56)}
.ft-links{display:flex;gap:16px;flex-wrap:wrap;font-size:11.8px}
.ft-links a:hover{color:#FFA8D4}
.ft-copy{width:100%;border-top:1px solid rgba(255,255,255,.12);padding-top:13px;font-size:11px;color:rgba(240,232,255,.4);line-height:1.9}

/* ============ 返回顶部 ============ */
.backtop{
  position:fixed;right:24px;bottom:88px;z-index:70;width:42px;height:42px;border-radius:14px;
  background:rgba(255,255,255,.86);border:1px solid rgba(122,77,255,.24);color:var(--violet-d);
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  box-shadow:0 8px 22px rgba(90,46,224,.18);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  opacity:0;visibility:hidden;transition:opacity .2s ease;
}
.backtop.on{opacity:1;visibility:visible}
.backtop:hover{background:linear-gradient(135deg,var(--violet),var(--pink));color:#fff;border-color:transparent}

/* ============ 响应式 960 ============ */
@media (max-width:960px){
  .nav{
    display:none;position:absolute;top:70px;left:0;right:0;margin-left:0;
    background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);
    flex-direction:column;gap:0;padding:6px 26px 12px;
    -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  }
  .nav.open{display:flex}
  .nav a{padding:10px 0;border-bottom:1px solid rgba(122,77,255,.12)}
  .nav a::after{display:none}
  .nav-toggle{display:block;margin-left:auto}
  .cta{padding:9px 14px;font-size:11.5px}
  .hero{padding:48px 0 50px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero h1{font-size:52px}
  .hero .desc{max-width:none}
  .album{max-width:460px;width:100%;height:440px;margin:0 auto}
  .feat-grid{grid-template-columns:1fr 1fr}
  .spread{grid-template-columns:1fr}
  .strip{grid-template-columns:repeat(3,1fr)}
  .strip figure{display:block;padding:9px}
  .strip img{width:100%;height:auto;aspect-ratio:3/4;border-radius:12px}
  .strip figcaption{display:block;padding-top:8px;font-size:12.4px}
  .rev-grid{grid-template-columns:1fr 1fr}
  .rev-card:nth-child(2){margin-top:0}
  .rev-card:nth-child(3){grid-column:1 / -1}
}

/* ============ 响应式 600 ============ */
@media (max-width:600px){
  body{font-size:15px}
  .wrap{padding:0 18px}
  .top-in{height:62px;gap:10px}
  .brand img{width:32px;height:32px;border-radius:10px}
  .brand-t b{font-size:16px;letter-spacing:.8px}
  .brand-t small{font-size:9px;letter-spacing:1.4px}
  .nav{top:62px;padding:4px 18px 10px}
  .cta{padding:8px 11px;font-size:10.8px}
  .hero{padding:36px 0 40px}
  .hero h1{font-size:42px;letter-spacing:2px}
  .hero .lead{font-size:16.5px}
  .hero .desc{font-size:13.8px}
  .facts div{padding:0 12px}
  .facts b{font-size:11.5px}
  .facts span{font-size:10px}
  .album{height:362px;max-width:340px}
  .chip{font-size:10.5px;padding:6px 12px;left:0}
  .sec{padding:44px 0}
  .hd2{grid-template-columns:1fr;gap:10px;margin-bottom:22px}
  .hd2 .no{justify-self:start}
  .hd2 h2{font-size:24px;letter-spacing:1px}
  .hd2 p{font-size:13.4px}
  .feat-grid{grid-template-columns:1fr}
  .card{padding:19px 16px 21px;border-radius:16px}
  .strip{grid-template-columns:1fr}
  .strip figure{grid-template-columns:78px 1fr;display:grid;padding:9px}
  .strip img{width:78px;height:104px}
  .steps{padding:20px 16px 6px;border-radius:18px}
  .steps li{padding-left:46px;font-size:13.6px}
  .steps::before{left:35px;top:34px}
  .steps b{width:34px;height:34px;font-size:11px;border-radius:11px}
  .qa-item{grid-template-columns:40px 1fr;gap:10px;padding:16px 14px}
  .qa-item h3{font-size:15.5px}
  .rev-grid{grid-template-columns:1fr}
  .rev-card:nth-child(3){grid-column:auto}
  .get{padding:46px 0 50px}
  .get::before{width:300px;height:300px;margin-left:-150px}
  .get::after{width:232px;height:232px;margin-left:-116px}
  .get h2{font-size:25px;letter-spacing:1.4px}
  .dm span{font-size:10.4px;padding:2px 10px}
  .ft-in{flex-direction:column}
  .backtop{right:14px;bottom:74px;width:38px;height:38px;border-radius:12px}
}