html, body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  font: 14px Arial, "Microsoft YaHei", sans-serif;
}
#Layer1 {
  position: absolute;
  inset: 0;
  z-index: -1;
}
#Layer1 img {
  width: 100%;
  height: 100%;
  object-fit: fill;
}
.middle {
  width: 100%;
  height: 100%;
  text-align: center;
}
.middle .logo {
  width: 16%;
  height: auto;
  margin-top: 0;
}
#welcometitle {
  height: 240px;
  width: 200px;
  position: absolute;
  background: #fff;
  top: 2%;
  right: 2%;
  z-index: 3;
  padding-top: 6px;
}
#welcometitle a {
  margin: 0 auto;
  width: 180px;
  display: block;
  text-align: center;
  text-decoration: none;
}
.mobile-link {
  font-size: 20px;
  color: orangered;
}
.ios-link {
  font-size: 16px;
  color: #00e;
}
.qr {
  height: 80%;
  width: 180px;
  margin: 0 auto;
  border: none;
  display: block;
}
.middlebg {
  width: 80%;
  left: 10%;
  bottom: 22%;
  position: absolute;
  background: url(images/middlebg.png) repeat-x;
  border: 2px solid #808080;
  border-radius: 15px;
}
.middle ul {
  width: 100%;
  margin: 0;
  padding: 8px 0;
  list-style: none;
  display: flex;
  justify-content: center;
}
.middle ul li {
  position: relative;
  width: 22%;
  margin: 1% 2% 1% 5%;
  text-align: center;
}
.middle ul li img {
  max-width: 100%;
  height: auto;
  display: block;
}
.middle ul li span {
  position: absolute;
  bottom: 15px;
  left: 0;
  width: 100%;
  color: #fff;
  font-size: 18px;
  font-weight: bold;
  font-family: "Microsoft YaHei", sans-serif;
  -webkit-text-stroke: 1px #000;
}
.footer {
  position: fixed;
  right: 8%;
  bottom: 8px;
  color: #fff;
  z-index: 2;
}
#notice-box {
  position: fixed;
  top: 5%;
  left: 20%;
  width: 60%;
  z-index: 5;
  background: #49484d;
  border: 1px solid #666;
  color: #fff;
}
#notice-box[hidden] { display: none; }
#close-notice {
  position: absolute;
  right: 0;
  top: 0;
  background: red;
  color: #fff;
  padding: 4px 10px;
  text-decoration: none;
}
.etabs { margin: 0; padding: 28px 0 0; list-style: none; }
.tab { display: inline-block; background: #eee; border: 1px solid #999; }
.tab a { color: blue; padding: 6px 10px; display: block; text-decoration: none; }
.tab.active { background: #fff; }
.panel-container { padding: 10px; max-height: 70vh; overflow: auto; }
.panel-container img { width: 100%; }