* {
  padding: 0;
  margin: 0;
  font-family: "Microsoft YaHei";
  moz-user-select: -moz-none;
  -moz-user-select: none;
  -o-user-select: none;
  -khtml-user-select: none;
  -webkit-user-select: none;
  -ms-user-select: none;
  user-select: none;
}
body {
  background: url(https://cdn-file.szyrtech.com/web2/prozip/images/index_bg-f294379345.png);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.header {
  width: 100%;
  height: 72px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0px 3px 6px 1px rgba(0, 0, 0, 0.07);
}
.header .center {
  width: 1040px;
  height: 72px;
  margin: 0 auto;
}
.header .center img {
  float: left;
  margin-top: 21px;
}
.header .center .download {
  margin-top: 15px;
  float: right;
  width: 144px;
  height: 40px;
  background: #3873FA;
  text-align: center;
  line-height: 40px;
  cursor: pointer;
  font-weight: 400;
  font-size: 14px;
  color: #FFFFFF;
}
.header .center .download:hover {
  background: #3264F2;
}
.main {
  width: 1350px;
  margin: 0 auto;
  position: relative;
  padding-top: 145px;
}
.main .title {
  margin: 0 auto;
  width: 472px;
  height: 77px;
}
.main .title img {
  width: 100%;
  height: 100%;
}
.main .spec {
  margin-top: 38px;
  font-weight: 400;
  font-size: 20px;
  color: #666666;
  text-align: center;
}
.main .download {
  margin: 31px auto 0;
  width: 240px;
  height: 72px;
  cursor: pointer;
  background: url(https://cdn-file.szyrtech.com/web2/prozip/images/index_download-71d20676e2.png) no-repeat;
}
.main .download:hover {
  background-position-x: -240px;
}
.main .info {
  margin: 43px auto 0;
  width: 1350px;
  height: 500px;
}
.main .info img {
  width: 100%;
  height: 100%;
}
.footer {
  width: 100%;
  height: 56px;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: rgba(255, 255, 255, 0.5);
  margin-top: -20px;
}
.footer p {
  padding: 0 26px;
  font-weight: 400;
  font-size: 12px;
  color: #9C9C9C;
}