body {
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial;
  background:#fff;
  color:#222;
}
#qa-layer{
  position:fixed;
  inset:0;
  z-index:9999;
  overflow:hidden;
  display:flex;
  align-items:center;
  justify-content:center;
}
#qa-layer::before{
  content:"";
  position:absolute;
  left:0;
  top:0;
  width:100%;
  height:200%;
  background:url("uploads/bg.js?v=1") center top / cover no-repeat;
  animation:bgMove 20s linear infinite;
  z-index:0;
  pointer-events:none;
}
@keyframes bgMove{
  0%{ transform:translateY(0); }
  100%{ transform:translateY(-50%); }
}
#qa-mask{
  position:absolute;
  inset:0;
  background:rgba(0,0,0,.45);
  z-index:1;
}
#qa-card{
  position:relative;
  background:#fff;
  width:90%;
  max-width:360px;
  border-radius:22px;
  padding:22px 20px;
  box-shadow:0 20px 50px rgba(0,0,0,.35);
  z-index:2;
}
.progress-text{font-size:13px;color:#888;margin-bottom:6px}
.progress-bar{height:6px;background:#eee;border-radius:6px;overflow:hidden}
.progress-bar span{display:block;height:100%;width:0;background:linear-gradient(90deg,#ff6cab,#7366ff);transition:.3s}
#qa-card h1{font-size:25px;margin:10px 0}
#qa-card p{font-size:19px;color:#666}
.options{display:flex;flex-direction:column;gap:12px;margin-top:15px}
.option{background:#f5f5f5;padding:14px;border-radius:14px;text-align:center;cursor:pointer}
.option:hover{background:#ff4081;color:#fff}
.img-options{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:15px}
.img-option{border-radius:14px;overflow:hidden;cursor:pointer;border:2px solid transparent;height:200px}
.img-option:hover{border-color:#ff4081}
.img-option img{width:100%;height:100%;object-fit:cover;display:block}
#popup{
  position:fixed;inset:0;
  background:rgba(0,0,0,.55);
  display:none;
  align-items:center;
  justify-content:center;
  z-index:10000;
}
.popup-box{background:#fff;width:80%;max-width:280px;border-radius:18px;padding:20px;text-align:center}
.popup-box h2{margin:0;color:#ff3b3b;font-size:18px}
.popup-box p{margin:10px 0 15px;font-size:14px}
.popup-box button{border:none;background:#ff4081;color:#fff;padding:10px 25px;border-radius:20px;font-size:14px}
.countdown-bar{height:8px;background:#ffd6d6;border-radius:4px;overflow:hidden;margin-top:14px}
.countdown-bar span{display:block;height:100%;width:0%;background:#ff3b3b;transition:width 2s linear}
.hero {
  text-align:center;
  padding:60px 20px 40px;
  background:linear-gradient(135deg,#ff6cab,#7366ff);
  color:#fff;
  border-bottom-left-radius:50px;
  border-bottom-right-radius:50px;
  box-shadow:0 4px 12px rgba(0,0,0,0.15);
}
.hero img{width:100px;height:100px;border-radius:25px;margin-bottom:15px;box-shadow:0 4px 10px rgba(0,0,0,0.3)}
.hero h1{font-size:28px;margin:10px 0 5px;font-weight:700}
.hero p{font-size:16px;opacity:0.9;margin:0}
.download-btn {
  margin-top:25px;display:inline-block;padding:16px 60px;
  background:#fff;color:#ff4081;font-size:18px;font-weight:600;
  border-radius:35px;text-decoration:none;
  box-shadow:0 6px 15px rgba(0,0,0,0.25);
  animation:bounce 1.5s infinite;cursor:pointer;
}
@keyframes bounce{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
.section{padding:30px 15px;text-align:center}
.section h2{font-size:20px;font-weight:700;margin-bottom:20px}
.features{display:flex;justify-content:space-between;flex-wrap:nowrap}
.feature{flex:1;margin:0 5px;background:#fff;padding:15px;border-radius:15px;box-shadow:0 3px 10px rgba(0,0,0,0.06)}
.feature svg{width:28px;height:28px;margin-bottom:8px;fill:#ff4081}
.feature h3{font-size:15px;margin:8px 0}
.feature p{font-size:13px;color:#ff4081}
.screenshots{display:flex;overflow-x:auto;gap:15px;padding:20px;-webkit-overflow-scrolling:touch}
.screenshots img{width:260px;height:480px;border-radius:20px;flex-shrink:0;object-fit:cover;box-shadow:0 6px 20px rgba(0,0,0,0.15)}
@media (min-width:768px){
  .screenshots{justify-content:center;overflow-x:hidden}
  .screenshots img{width:220px;height:400px}
}
.reviews{max-width:600px;margin:0 auto;text-align:left}
.review-item{background:#fff;border-radius:15px;padding:15px;margin-bottom:15px;box-shadow:0 4px 12px rgba(0,0,0,0.08)}
.review-item b{display:block;margin-bottom:8px;color:#ff4081;font-size:16px;font-weight:600}
.review-item p{margin:0;font-size:14px;color:#444;line-height:1.5}
.info-list{list-style:none;padding:0;margin:20px auto;font-size:14px;max-width:500px}
.info-list li{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px solid #eee}
.footer{text-align:center;font-size:12px;color:#888;padding:10px 15px;margin-top:5px}
#wechat-mask{display:none}
.wechat-mask-bg{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);z-index:10001}
.wechat-mask-pop{position:fixed;top:50%;left:50%;width:85%;max-width:320px;transform:translate(-50%,-50%);background:#fff;border-radius:20px;z-index:10002;overflow:hidden;padding:24px}
.wechat-mask-header{display:flex;align-items:center;margin-bottom:20px}
.wechat-mask-logo{width:50px;height:50px;border-radius:12px}
.wechat-mask-info{margin-left:12px}
.wechat-mask-title{font-size:16px;font-weight:600;color:#333}
.wechat-mask-subtitle{font-size:13px;color:#999;margin-top:4px}
.wechat-mask-steps{background:#f7f8fa;border-radius:12px;padding:16px}
.wechat-mask-steps p{font-size:14px;color:#333;line-height:2;display:flex;align-items:center}
.wechat-mask-steps b{color:#ff4081}
.step-num{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;background:#ff4081;color:#fff;border-radius:50%;font-size:12px;font-weight:600;margin-right:8px;flex-shrink:0}
.wechat-mask-divider{text-align:center;margin:18px 0;position:relative;font-size:12px;color:#ccc}
.wechat-mask-divider::before,.wechat-mask-divider::after{content:'';position:absolute;top:50%;width:25%;height:1px;background:#e5e5e5}
.wechat-mask-divider::before{left:0}
.wechat-mask-divider::after{right:0}
.wechat-mask-copy{position:relative;height:40px;background:#f1f6f9;border-radius:20px;overflow:hidden}
.wechat-mask-copy input{width:100%;height:100%;border:none;outline:none;background:transparent;padding:0 80px 0 16px;font-size:13px;color:#999}
.wechat-mask-copy button{position:absolute;right:0;top:0;height:100%;padding:0 18px;background:linear-gradient(90deg,#ff6cab,#ff4081);color:#fff;border:none;border-radius:0 20px 20px 0;font-size:14px;font-weight:500;cursor:pointer}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes popIn{from{opacity:0;transform:scale(.85)}to{opacity:1;transform:scale(1)}}
#net-modal-btn:active{transform:scale(.96)}