body,
html {
  width: 100%;
  height: 100%;
}
.clearfix:before,
.clearfix:after {
  content: '';
  width: 0;
  height: 0;
  display: block;
  clear: both;
}
.clearfix {
  zoom: 1;
}
.fl {
  float: left;
}
.fr {
  float: right;
}
a {
  text-decoration: none;
}
.main {
  padding-top: 20px;
  width: 100%;
  height: 100%;
  background: url('../image/bg.png') no-repeat center center;
  background-size: 100% 100%;
}
.top {
  padding: 20px 10px;
}
.top .left {
  height: 100px;
}
.top .left img {
  width: 80px;
  height: 80px;
  border-radius: 8px;
}
.top .center {
  margin-top: 5px;
  margin-left: 10px;
  font-family: 'Sans-serif';
}
.top .center .title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 3px;
}
.top .center .version {
  margin-bottom: 3px;
}
.top .right {
  width: auto;
  margin-left: 10px;
  text-align: center;
  line-height: 100px;
}
.top .right button {
  padding: 8px 15px;
  border: 1px solid #fff;
  background-color: transparent;
  outline: none;
  border-radius: 5px;
}
.top .right button a {
  color: #fff;
}
.download_msg {
  width: 80%;
  margin: 0 auto;
  color: #fff;
}
.download_msg .important {
  color: red;
}
.xiushi {
  width: 90%;
  padding: 0 2%;
  margin: 0 auto;
  border-bottom: 1px solid #f0f0f0;
}
.shade {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.6);
  display: none;
}
.shade img {
  width: 100%;
  height: 200px;
}