:root{
  --ink:#2A2140;
  --ink-2:#3B2E5C;
  --violet:#BB86FC;
  --violet-d:#7C4DFF;
  --violet-m:#8A5CF6;
  --violet-l:#F0E7FF;
  --pink:#FF7BA9;
  --mint:#2FD3B0;
  --sun:#FFC845;
  --blue:#5B8DEF;
  --bg:#FBFAFF;
  --bg-2:#F5F0FF;
  --line:#EAE2FA;
  --muted:#6E6688;
}
*{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:var(--bg);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:1.4;font-weight:800}
.wrap{width:100%;max-width:1120px;margin:0 auto;padding:0 26px}

/* ============ 顶栏：浮起白色圆角条 ============ */
.top{
  position:sticky;top:0;z-index:90;
  background:rgba(251,250,255,.9);
  border-bottom:1px solid var(--line);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
}
.top.on{box-shadow:0 8px 26px rgba(90,58,160,.08)}
.top-in{display:flex;align-items:center;height:72px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand img{width:38px;height:38px;border-radius:12px;box-shadow:0 4px 12px rgba(124,77,255,.22)}
.brand-t b{display:block;font-size:18px;letter-spacing:2px;line-height:1.2}
.brand-t small{display:block;font-size:10px;letter-spacing:1.2px;color:var(--muted);margin-top:3px}
.nav{
  display:flex;gap:2px;margin-left:auto;font-size:13px;font-weight:700;color:#5B4F79;
  background:#F3EEFF;border-radius:999px;padding:5px;
}
.nav a{padding:6px 14px;border-radius:999px;transition:background .2s ease,color .2s ease}
.nav a:hover{background:#fff;color:var(--violet-d);box-shadow:0 4px 12px rgba(124,77,255,.14)}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;color:var(--ink);padding:6px}
.cta{
  flex:none;color:#fff;font-size:13px;font-weight:800;letter-spacing:.4px;
  padding:10px 22px;border-radius:999px;
  background:linear-gradient(135deg,#C08BFF,#7C4DFF);
  box-shadow:0 8px 18px rgba(124,77,255,.32);
  transition:transform .18s ease,box-shadow .18s ease;
}
.cta:hover{transform:translateY(-1px);box-shadow:0 11px 22px rgba(124,77,255,.4)}

/* ============ 英雄区：浅紫气泡 ============ */
.hero{
  position:relative;overflow:hidden;padding:58px 0 66px;
  background:
    radial-gradient(430px 350px at 93% 4%,rgba(255,123,169,.18),transparent 70%),
    radial-gradient(560px 430px at 4% 0%,rgba(187,134,252,.3),transparent 72%),
    linear-gradient(180deg,#F8F4FF 0%,#FBFAFF 100%);
}
.hero::before{
  content:"";position:absolute;left:-120px;bottom:-160px;width:340px;height:340px;
  border-radius:50%;background:rgba(47,211,176,.12);filter:blur(10px);
}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:44px;align-items:center;position:relative;z-index:1}
.kick{
  display:inline-flex;align-items:center;gap:8px;font-size:11.5px;font-weight:700;
  letter-spacing:2px;color:#6B3FD1;background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:5px 14px;margin-bottom:16px;
  box-shadow:0 6px 14px rgba(124,77,255,.09);
}
.kick::before{content:"";width:7px;height:7px;border-radius:50%;background:linear-gradient(135deg,#BB86FC,#FF7BA9)}
.hero h1{font-size:64px;letter-spacing:6px;line-height:1.1;margin-bottom:16px;color:var(--ink)}
.hero h1::after{
  content:"";display:block;width:78px;height:9px;border-radius:6px;margin-top:12px;
  background:linear-gradient(90deg,#BB86FC,#FF7BA9);
}
.hero .lead{font-size:18.5px;font-weight:800;color:#4A3B6B;margin-bottom:12px}
.hero .desc{font-size:14.6px;color:#5E5478;max-width:550px;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(135deg,#C08BFF,#7C4DFF);
  box-shadow:0 10px 24px rgba(124,77,255,.34);
  transition:transform .18s ease,box-shadow .18s ease;
}
.btn svg{width:17px;height:17px}
.btn:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(124,77,255,.42)}
.ghost{
  display:inline-flex;align-items:center;padding:12px 22px;border-radius:999px;
  border:1.5px solid rgba(124,77,255,.32);color:#6B3FD1;font-size:13.5px;font-weight:700;
  background:#fff;
}
.ghost:hover{border-color:var(--violet-d);background:#F7F1FF}
.facts{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;
}
.facts div{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:10px 16px;box-shadow:0 8px 18px rgba(90,58,160,.05);
}
.facts b{display:block;font-size:12.5px;color:var(--ink-2);letter-spacing:.4px}
.facts span{display:block;font-size:11px;color:var(--muted);margin-top:1px}

/* 圆角卡片叠放 */
.deck{position:relative;height:472px;z-index:1}
.dcard{
  position:absolute;margin:0;background:#fff;padding:9px;
  border-radius:28px;box-shadow:0 22px 46px rgba(90,58,160,.18);
}
.dcard img{width:100%;height:100%;object-fit:cover;border-radius:20px}
.d1{left:2%;top:4%;width:60%;height:84%;transform:rotate(-2.6deg);z-index:2}
.d2{right:0;top:0;width:46%;height:58%;transform:rotate(3deg);z-index:3}
.d3{right:7%;bottom:0;width:43%;height:50%;transform:rotate(-1.4deg);z-index:4}
.chip{
  position:absolute;z-index:6;background:#fff;border-radius:999px;
  font-size:11.5px;font-weight:800;letter-spacing:.6px;color:#6B3FD1;
  padding:7px 14px;box-shadow:0 10px 22px rgba(90,58,160,.16);
}
.c1{left:-4%;top:11%;color:#C4346A}
.c2{left:6%;bottom:8%;color:#1C9C82}
.egg{
  position:absolute;right:-3%;top:-5%;width:62px;height:62px;border-radius:50%;
  background:linear-gradient(135deg,#BB86FC,#7C4DFF);color:#fff;
  display:grid;place-items:center;font-size:25px;font-weight:800;
  z-index:7;box-shadow:0 14px 28px rgba(124,77,255,.34);
  border:3px solid #fff;
}

/* ============ 通用区块 ============ */
.sec{padding:68px 0;background:var(--bg)}
.band{background:linear-gradient(180deg,#F7F2FF 0%,#FBF8FF 100%)}
.hd2{display:grid;grid-template-columns:78px 1fr;gap:18px;align-items:start;margin-bottom:32px}
.hd2 .no{
  font-family:"SFMono-Regular",Consolas,monospace;font-size:11px;letter-spacing:.6px;
  color:#6B3FD1;background:#EFE5FF;border-radius:999px;padding:5px 0;text-align:center;
  margin-top:5px;white-space:nowrap;
}
.hd2 h2{font-size:32px;letter-spacing:1.5px;margin-bottom:6px}
.hd2 p{font-size:14.4px;color:var(--muted);max-width:800px}

/* 特色：圆角彩色卡 */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:24px;
  padding:22px 22px 26px;
  box-shadow:0 12px 28px rgba(90,58,160,.055);
  transition:transform .2s ease,box-shadow .2s ease;
}
.card .n{
  display:grid;place-items:center;width:44px;height:44px;border-radius:15px;
  font-family:"SFMono-Regular",Consolas,monospace;font-size:13px;font-weight:700;
  color:#fff;background:linear-gradient(135deg,#BB86FC,#8A5CF6);
  box-shadow:0 8px 16px rgba(124,77,255,.26);
}
.card h4{font-size:18px;letter-spacing:.6px;margin:14px 0 7px}
.card p{font-size:13.6px;color:#5E5478;line-height:1.92}
.card:hover{transform:translateY(-4px);box-shadow:0 20px 38px rgba(90,58,160,.12)}
.feat-grid .card:nth-child(2) .n{background:linear-gradient(135deg,#FF9BBB,#FF6E9C);box-shadow:0 8px 16px rgba(255,110,156,.26)}
.feat-grid .card:nth-child(3) .n{background:linear-gradient(135deg,#63E9C8,#22C7A8);box-shadow:0 8px 16px rgba(34,199,168,.26)}
.feat-grid .card:nth-child(4) .n{background:linear-gradient(135deg,#7FB0FF,#4E82F0);box-shadow:0 8px 16px rgba(78,130,240,.26)}
.feat-grid .card:nth-child(5) .n{background:linear-gradient(135deg,#FFD36E,#FFB020);box-shadow:0 8px 16px rgba(255,176,32,.26)}
.feat-grid .card:nth-child(6) .n{background:linear-gradient(135deg,#FFA87A,#FF7E4D);box-shadow:0 8px 16px rgba(255,126,77,.26)}

/* 界面：大图 + 圆角列表 */
.spread{display:grid;grid-template-columns:1.06fr .94fr;gap:20px;align-items:start}
.spread figure{margin:0}
.big{background:#fff;border:1px solid var(--line);border-radius:28px;padding:10px;box-shadow:0 16px 34px rgba(90,58,160,.08)}
.big img{width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:20px}
.big figcaption{font-size:13px;color:var(--muted);padding:12px 8px 4px;letter-spacing:.4px}
.strip{display:grid;gap:12px}
.strip figure{
  display:grid;grid-template-columns:86px 1fr;gap:14px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:20px;padding:10px;
  box-shadow:0 10px 24px rgba(90,58,160,.055);
}
.strip img{width:86px;height:112px;object-fit:cover;border-radius:14px}
.strip figcaption{font-size:13.4px;color:#5E5478;letter-spacing:.4px}

/* 指南：五步圆角卡 */
.steps{list-style:none;display:grid;gap:12px;max-width:900px}
.steps li{
  position:relative;display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:16px 20px;font-size:14.2px;color:#4E4468;line-height:1.85;
  box-shadow:0 8px 20px rgba(90,58,160,.045);
}
.steps b{
  display:grid;place-items:center;width:40px;height:40px;border-radius:50%;
  background:var(--violet-l);color:#6B3FD1;
  font-family:"SFMono-Regular",Consolas,monospace;font-size:12px;font-weight:800;
}
.steps li:nth-child(1) b,.steps li:nth-child(5) b{background:linear-gradient(135deg,#BB86FC,#8A5CF6);color:#fff}
.gnote{
  margin-top:18px;max-width:900px;border-radius:16px;
  background:#FFF6E3;border:1px solid #FFE6B0;
  padding:12px 18px;font-size:13px;color:#7A5B18;
}

/* 答疑：五张圆角卡 */
.qa{display:grid;gap:12px}
.qa-item{
  display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:start;
  background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px 22px;
  box-shadow:0 10px 24px rgba(90,58,160,.045);
}
.qa-item .qn{
  display:grid;place-items:center;width:38px;height:38px;border-radius:13px;
  background:var(--violet-l);color:#6B3FD1;
  font-family:"SFMono-Regular",Consolas,monospace;font-size:12px;font-weight:800;
}
.qa-item h3{font-size:16.5px;letter-spacing:.5px;margin-bottom:6px}
.qa-item p{font-size:13.9px;color:#5E5478;line-height:1.9}

/* 评价：三张气泡卡 */
.rev-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.rev-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:24px;
  padding:26px 22px 18px;box-shadow:0 14px 30px rgba(90,58,160,.07);
}
.rev-card::before{
  content:"\201C";position:absolute;top:-4px;right:16px;font-family:Georgia,serif;
  font-size:66px;line-height:1;color:rgba(187,134,252,.32);
}
.rev-card:nth-child(1){background:linear-gradient(165deg,#F5EDFF,#fff 62%)}
.rev-card:nth-child(2){background:linear-gradient(165deg,#FFEFF5,#fff 62%)}
.rev-card:nth-child(3){background:linear-gradient(165deg,#EAFBF6,#fff 62%)}
.rev-card blockquote{position:relative;z-index:1;font-size:13.6px;color:#4E4468;line-height:1.95}
.rev-card .who{
  display:flex;align-items:center;gap:8px;margin-top:16px;padding-top:12px;
  border-top:1px dashed #E4DBF6;font-size:11px;color:var(--muted);
}
.rev-card .who i{
  width:26px;height:26px;border-radius:50%;font-style:normal;font-size:11px;font-weight:800;
  color:#fff;background:linear-gradient(135deg,#BB86FC,#8A5CF6);display:grid;place-items:center;
}
.rev-card .who time{font-family:"SFMono-Regular",Consolas,monospace;letter-spacing:0}

/* ============ 下载：紫色圆角面板 ============ */
.get{padding:8px 0 74px;background:var(--bg)}
.get-in{
  position:relative;overflow:hidden;text-align:center;color:#fff;
  border-radius:36px;padding:52px 30px 56px;
  background:
    radial-gradient(360px 260px at 88% 4%,rgba(255,255,255,.22),transparent 70%),
    radial-gradient(420px 300px at 6% 96%,rgba(255,123,169,.32),transparent 72%),
    linear-gradient(150deg,#7C4DFF 0%,#A45CFF 58%,#C66BFF 100%);
  box-shadow:0 26px 56px rgba(95,50,190,.26);
}
.get-in::after{
  content:"";position:absolute;right:-70px;top:-70px;width:230px;height:230px;
  border-radius:50%;border:26px solid rgba(255,255,255,.09);
}
.dlogo{display:flex;align-items:center;justify-content:center;gap:10px;margin-bottom:14px;position:relative;z-index:1}
.dlogo img{width:48px;height:48px;border-radius:14px;border:2px solid rgba(255,255,255,.55)}
.dlogo em{font-style:normal;font-size:10px;letter-spacing:3px;color:rgba(255,255,255,.72)}
.get h2{font-size:36px;letter-spacing:2px;margin-bottom:10px;color:#fff;position:relative;z-index:1}
.get h2 em{font-style:normal;color:#FFE07A}
.get p{
  font-size:14px;color:rgba(255,255,255,.86);max-width:650px;margin:0 auto 20px;
  line-height:1.95;position:relative;z-index:1;
}
.dm{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-bottom:26px;position:relative;z-index:1}
.dm span{
  font-size:11.5px;border-radius:999px;padding:4px 13px;
  border:1px solid rgba(255,255,255,.4);color:#fff;background:rgba(255,255,255,.1);
}
.get .btn{background:#fff;color:#6B3FD1;box-shadow:0 12px 26px rgba(40,10,90,.3);position:relative;z-index:1}
.get .btn:hover{background:#FFF4D6;box-shadow:0 16px 32px rgba(40,10,90,.36)}

/* ============ 页脚 ============ */
.ft{
  background:#241B3A;color:rgba(255,255,255,.62);padding:36px 0 26px;font-size:12.2px;
  border-radius:34px 34px 0 0;
}
.ft-in{display:flex;flex-wrap:wrap;gap:12px 26px;align-items:flex-start;justify-content:space-between}
.ft-brand{display:flex;align-items:center;gap:9px;color:#fff;font-weight:800;font-size:13.5px;letter-spacing:1.4px}
.ft-brand img{width:26px;height:26px;border-radius:9px}
.ft p{max-width:520px;line-height:1.9;color:rgba(255,255,255,.6)}
.ft-links{display:flex;gap:16px;flex-wrap:wrap;font-size:11.8px}
.ft-links a:hover{color:#D9BFFF}
.ft-copy{width:100%;border-top:1px solid rgba(255,255,255,.13);padding-top:13px;font-size:11px;color:rgba(255,255,255,.42);line-height:1.9}

/* ============ 返回顶部 ============ */
.backtop{
  position:fixed;right:24px;bottom:88px;z-index:70;width:44px;height:44px;border-radius:50%;
  background:#fff;border:1px solid var(--line);color:#6B3FD1;
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  box-shadow:0 10px 22px rgba(90,58,160,.16);
  opacity:0;visibility:hidden;transition:opacity .2s ease;
}
.backtop.on{opacity:1;visibility:visible}
.backtop:hover{background:linear-gradient(135deg,#BB86FC,#7C4DFF);color:#fff;border-color:transparent}

/* ============ 响应式 960 ============ */
@media (max-width:960px){
  .nav{
    display:none;position:absolute;top:72px;left:14px;right:14px;margin-left:0;
    background:#fff;border:1px solid var(--line);border-radius:22px;
    flex-direction:column;gap:2px;padding:10px;
    box-shadow:0 18px 38px rgba(90,58,160,.16);
  }
  .nav.open{display:flex}
  .nav a{padding:10px 14px;border-radius:14px}
  .nav-toggle{display:block;margin-left:auto}
  .cta{padding:9px 15px;font-size:12px}
  .hero{padding:44px 0 48px}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero h1{font-size:52px}
  .hero .desc{max-width:none}
  .deck{max-width:470px;width:100%;height:432px;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}
  .strip figcaption{display:block;padding-top:8px;font-size:12.4px}
  .rev-grid{grid-template-columns:1fr 1fr}
  .rev-card:nth-child(3){grid-column:1 / -1}
  .get-in{padding:44px 22px 48px;border-radius:30px}
}

/* ============ 响应式 600 ============ */
@media (max-width:600px){
  body{font-size:15px}
  .wrap{padding:0 18px}
  .top-in{height:64px;gap:10px}
  .brand img{width:34px;height:34px;border-radius:11px}
  .brand-t b{font-size:16px;letter-spacing:1.4px}
  .brand-t small{font-size:9px;letter-spacing:.8px}
  .nav{top:64px}
  .cta{padding:8px 12px;font-size:11px}
  .hero{padding:32px 0 38px}
  .hero h1{font-size:42px;letter-spacing:5px}
  .hero h1::after{width:62px;height:8px;margin-top:9px}
  .hero .lead{font-size:16.5px}
  .hero .desc{font-size:13.9px}
  .facts{gap:8px}
  .facts div{padding:8px 12px}
  .facts b{font-size:11.5px}
  .facts span{font-size:10px}
  .deck{height:370px;max-width:350px}
  .egg{width:52px;height:52px;font-size:21px}
  .chip{font-size:10.5px;padding:6px 11px}
  .sec{padding:44px 0}
  .hd2{grid-template-columns:1fr;gap:8px;margin-bottom:22px}
  .hd2 .no{display:inline-block;width:auto;padding:3px 12px;justify-self:start}
  .hd2 h2{font-size:25px;letter-spacing:1px}
  .hd2 p{font-size:13.4px}
  .feat-grid{grid-template-columns:1fr}
  .card{padding:18px 18px 22px;border-radius:20px}
  .strip{grid-template-columns:1fr}
  .strip figure{grid-template-columns:78px 1fr;display:grid;padding:9px}
  .strip img{width:78px;height:100px}
  .steps li{padding:14px 16px;font-size:13.6px;gap:11px}
  .steps b{width:34px;height:34px}
  .qa-item{grid-template-columns:auto 1fr;gap:12px;padding:16px 16px}
  .qa-item h3{font-size:15.5px}
  .rev-grid{grid-template-columns:1fr}
  .rev-card:nth-child(3){grid-column:auto}
  .get{padding:4px 0 56px}
  .get-in{padding:38px 18px 40px;border-radius:26px}
  .get h2{font-size:26px;letter-spacing:1.2px}
  .dm span{font-size:10.6px;padding:3px 10px}
  .ft{border-radius:26px 26px 0 0}
  .ft-in{flex-direction:column}
  .backtop{right:14px;bottom:76px;width:40px;height:40px}
}