*{
  margin:0;
  padding:0;
  box-sizing:border-box;
}

:root{
  --primary:#ffb300;
  --primary-dark:#ff9800;
  --text:#111827;
  --sub:#6b7280;
  --card:#ffffff;
  --line:#f0e4c7;
}

html{
  scroll-behavior:smooth;
}

body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--text);
  overflow-x:hidden;
  background:
    radial-gradient(circle at 10% 10%, rgba(255,190,40,.22), transparent 28%),
    radial-gradient(circle at 92% 22%, rgba(255,135,0,.16), transparent 32%),
    linear-gradient(180deg,#fff6dd 0%,#fffaf0 42%,#ffffff 100%);
}

.bg-glow{
  position:fixed;
  border-radius:999px;
  filter:blur(80px);
  pointer-events:none;
  z-index:0;
}

.glow-one{
  width:360px;
  height:360px;
  left:-120px;
  top:130px;
  background:rgba(255,179,0,.22);
}

.glow-two{
  width:480px;
  height:480px;
  right:-180px;
  top:280px;
  background:rgba(255,152,0,.16);
}

.bg-grid{
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  opacity:.24;
  background-image:
    linear-gradient(rgba(255,179,0,.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,179,0,.14) 1px, transparent 1px);
  background-size:44px 44px;
  mask-image:linear-gradient(to bottom, black, transparent 72%);
}

.container{
  position:relative;
  z-index:2;
  width:100%;
  max-width:1220px;
  margin:0 auto;
  padding:0 24px;
}

.header{
  padding:28px 0;
  display:flex;
  justify-content:space-between;
  align-items:center;
}

.brand{
  display:flex;
  align-items:center;
}

.logo{
  width:68px;
  height:68px;
  border-radius:20px;
  object-fit:contain;
  background:#fff;
  box-shadow:0 16px 35px rgba(255,152,0,.16);
}

.brand-name{
  display:block;
  margin-left:14px;
  font-size:24px;
  font-weight:800;
}

.brand-sub{
  margin-left:14px;
  margin-top:4px;
  color:#8a6b2b;
  font-size:13px;
}

.header-link{
  padding:12px 22px;
  border-radius:999px;
  text-decoration:none;
  color:#8a5300;
  background:rgba(255,255,255,.72);
  border:1px solid rgba(255,179,0,.32);
  box-shadow:0 10px 28px rgba(255,152,0,.10);
  font-weight:700;
  backdrop-filter:blur(12px);
}

.hero{
  padding-top:34px;
  text-align:center;
}

.tag{
  display:inline-flex;
  padding:10px 20px;
  background:rgba(255,255,255,.72);
  color:#b45309;
  border:1px solid rgba(255,179,0,.30);
  border-radius:999px;
  font-size:14px;
  font-weight:700;
  box-shadow:0 12px 28px rgba(255,152,0,.10);
}

.hero h1{
  margin-top:26px;
  font-size:72px;
  line-height:1.08;
  font-weight:900;
  letter-spacing:-2px;
  background:linear-gradient(135deg,#111827 8%,#ff9800 88%);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
}

.subtitle{
  margin-top:18px;
  font-size:26px;
  font-weight:700;
  color:var(--primary-dark);
}

.hero-desc{
  max-width:720px;
  margin:20px auto 0;
  color:var(--sub);
  font-size:18px;
  line-height:1.85;
}

.hero-badges{
  display:flex;
  justify-content:center;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px;
}

.hero-badges span{
  padding:11px 18px;
  background:rgba(255,255,255,.78);
  border:1px solid rgba(255,179,0,.20);
  border-radius:999px;
  box-shadow:0 12px 28px rgba(0,0,0,.045);
  font-size:14px;
  backdrop-filter:blur(10px);
}

.phone-group{
  position:relative;
  height:720px;
  margin-top:74px;
  pointer-events:none;
}

.phone{
  position:absolute;
  overflow:hidden;
  border-radius:56px;
  border:8px solid #151515;
  background:linear-gradient(180deg,#2d2d2d,#111);
  box-shadow:0 42px 90px rgba(64,40,0,.18), inset 0 4px 10px rgba(255,255,255,.06);
}

.phone::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(135deg, rgba(255,255,255,.16), transparent 38%);
  pointer-events:none;
}

.phone img{
  width:100%;
  height:100%;
  object-fit:cover;
  border-radius:42px;
}

.notch{
  position:absolute;
  top:14px;
  left:50%;
  transform:translateX(-50%);
  width:116px;
  height:25px;
  background:#000;
  border-radius:999px;
  z-index:20;
}

.phone-left{
  width:250px;
  height:540px;
  left:120px;
  top:108px;
  transform:rotate(-8deg);
  z-index:1;
  animation:floatLeft 5s ease-in-out infinite;
}

.phone-center{
  width:340px;
  height:700px;
  left:50%;
  margin-left:-170px;
  z-index:3;
  animation:floatCenter 4s ease-in-out infinite;
}

.phone-right{
  width:250px;
  height:540px;
  right:120px;
  top:108px;
  transform:rotate(8deg);
  z-index:1;
  animation:floatRight 5s ease-in-out infinite;
}

@keyframes floatCenter{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-12px)}
}

@keyframes floatLeft{
  0%,100%{transform:rotate(-8deg) translateY(0)}
  50%{transform:rotate(-8deg) translateY(-10px)}
}

@keyframes floatRight{
  0%,100%{transform:rotate(8deg) translateY(0)}
  50%{transform:rotate(8deg) translateY(-10px)}
}

.download-section{
  margin-top:34px;
  padding:46px;
  border-radius:42px;
  background:rgba(255,255,255,.82);
  border:1px solid rgba(255,179,0,.22);
  box-shadow:0 26px 80px rgba(111,72,0,.10);
  position:relative;
  z-index:99;
  backdrop-filter:blur(16px);
}

.download-section::before{
  content:"";
  position:absolute;
  inset:0;
  border-radius:42px;
  background:linear-gradient(135deg, rgba(255,179,0,.10), transparent 38%, rgba(255,152,0,.08));
  pointer-events:none;
}

.download-head{
  position:relative;
  text-align:center;
}

.download-kicker{
  display:inline-block;
  margin-bottom:10px;
  color:#d97706;
  font-size:13px;
  font-weight:800;
  letter-spacing:.08em;
  text-transform:uppercase;
}

.download-section h2{
  font-size:40px;
  line-height:1.2;
}

.download-desc{
  margin-top:12px;
  color:var(--sub);
}

.download-layout{
  position:relative;
  display:grid;
  grid-template-columns:1.08fr .92fr;
  gap:26px;
  align-items:stretch;
  margin-top:34px;
}

.download-actions{
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:16px;
}

.btn{
  display:flex;
  align-items:center;
  gap:16px;
  width:100%;
  min-height:76px;
  padding:16px 20px;
  border-radius:24px;
  text-decoration:none;
  border:none;
  cursor:pointer;
  text-align:left;
  font-family:inherit;
  position:relative;
  z-index:100;
  pointer-events:auto;
  -webkit-tap-highlight-color:transparent;
  appearance:none;
  -webkit-appearance:none;
  transition:transform .18s ease, box-shadow .18s ease;
}

.btn:hover{
  transform:translateY(-2px);
}

.btn-icon{
  width:46px;
  height:46px;
  flex:0 0 46px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:16px;
  background:rgba(255,255,255,.18);
  font-size:24px;
  font-weight:900;
}

.btn strong{
  display:block;
  font-size:19px;
  line-height:1.2;
}

.btn em{
  display:block;
  margin-top:5px;
  font-style:normal;
  font-size:13px;
  opacity:.76;
}

.btn-ios{
  background:#111827;
  color:white;
  box-shadow:0 16px 34px rgba(0,0,0,.18);
}

.btn-android{
  background:linear-gradient(135deg,#ffb300,#ff9800);
  color:white;
  box-shadow:0 16px 34px rgba(255,152,0,.30);
}

.btn-web{
  background:#ffffff;
  border:1px solid #efe7d6;
  color:#111827;
  box-shadow:0 14px 28px rgba(0,0,0,.045);
}

.btn-web .btn-icon{
  background:#fff7e6;
}

.qr-card{
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  min-height:100%;
  padding:30px;
  background:linear-gradient(180deg,#fff,#fff8ec);
  border:1px solid #f7dfae;
  border-radius:30px;
  text-align:center;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.8);
}

.qr-title{
  font-size:22px;
  font-weight:900;
  margin-bottom:18px;
}

.ios-qrcode{
  width:220px;
  height:220px;
  border-radius:22px;
  background:white;
  padding:12px;
  box-shadow:0 16px 42px rgba(0,0,0,.10);
}

.qr-card p{
  margin-top:15px;
  color:#6b7280;
  line-height:1.75;
}

.qr-note{
  margin-top:14px;
  padding:8px 14px;
  border-radius:999px;
  color:#a16207;
  background:#fff1c4;
  font-size:13px;
  font-weight:700;
}

.wechat-box{
  margin-top:34px;
  padding:30px;
  background:rgba(255,247,230,.92);
  border:1px solid #ffe3a3;
  border-radius:28px;
  text-align:center;
}

.wechat-box h3{
  color:#92400e;
  font-size:22px;
}

.wechat-box p{
  margin-top:12px;
  line-height:1.85;
  color:#a16207;
}

.footer-feature{
  display:flex;
  justify-content:center;
  flex-wrap:wrap;
  gap:24px;
  margin-top:54px;
}

.footer-feature div{
  padding:10px 16px;
  border-radius:999px;
  background:rgba(255,255,255,.72);
  color:#4b5563;
  border:1px solid rgba(255,179,0,.18);
}

footer{
  text-align:center;
  margin-top:42px;
  padding-bottom:58px;
  color:#9ca3af;
}

@media(max-width:900px){
  .download-layout{
    grid-template-columns:1fr;
  }

  .phone-left{
    left:40px;
  }

  .phone-right{
    right:40px;
  }
}

@media(max-width:768px){
  .container{
    padding:0 18px;
  }

  .header{
    padding:22px 0;
  }

  .brand{
    justify-content:flex-start;
  }

  .logo{
    width:56px;
    height:56px;
    border-radius:16px;
  }

  .brand-name{
    font-size:20px;
  }

  .brand-sub{
    display:none;
  }

  .header-link{
    padding:10px 16px;
    font-size:14px;
  }

  .hero{
    padding-top:18px;
  }

  .hero h1{
    font-size:43px;
    letter-spacing:-1px;
  }

  .subtitle{
    font-size:20px;
  }

  .hero-desc{
    font-size:15px;
  }

  .phone-group{
    height:540px;
    margin-top:48px;
  }

  .phone-left,
  .phone-right{
    display:none;
  }

  .phone-center{
    width:260px;
    height:520px;
    margin-left:-130px;
  }

  .download-section{
    margin-top:28px;
    padding:28px 20px;
    border-radius:30px;
  }

  .download-section h2{
    font-size:29px;
  }

  .download-layout{
    gap:20px;
  }

  .btn{
    min-height:70px;
    border-radius:22px;
  }

  .btn strong{
    font-size:17px;
  }

  .qr-card{
    padding:24px 18px;
  }

  .ios-qrcode{
    width:200px;
    height:200px;
  }

  .wechat-box{
    padding:24px 18px;
  }

  .footer-feature{
    gap:12px;
  }
}