body {
  overflow-x: hidden;
  height: fit-content;
  overflow-y: auto;
}

.wrap {
  position: absolute;
  width: 1920px;
  left: 50%;
  transform-origin: 0 0;
  background: url(https://cdn-file.cdcyber.com/web2/cleancut/images/index_bg-bee73fcb18.png) top center no-repeat;
  background-size: cover;
}

.header {
  width: 100%;
  height: 76px;
  background: #FFFFFF;
  box-shadow: 0px 3px 6px 1px rgba(0, 0, 0, 0.16);
}

.header .box {
  width: 1200px;
  height: 76px;
  margin: 0 auto;
}

.header .box .logo {
  float: left;
  width: 157px;
  height: 40px;
  background: url(https://cdn-file.cdcyber.com/web2/cleancut/images/index_logo-719fe0a06b.png) no-repeat;
  background-size: contain;
  margin-top: 18px;
}

.header .box #qqLoginBtn {
  float: right;
  margin-top: 25px;
}

.main .section1 {
  margin: 62px auto 0;
  width: fit-content;
  height: 387px;
  overflow: hidden;
}

.main .section1 .left {
  width: 479px;
  height: 387px;
  float: left;
}

.main .section1 .right {
  float: left;
  margin-left: 87px;
}

.main .section1 .right .title {
  margin-top: 78px;
  width: 517px;
  height: 60px;
  background: url(https://cdn-file.cdcyber.com/web2/cleancut/images/index_title-a12e15c838.png) no-repeat;
  background-size: contain;
}

.main .section1 .right .desc {
  margin-top: 40px;
  font-weight: 400;
  font-size: 24px;
  color: #4F4F4F;
  height: 31px;
  line-height: 31px;
}

.main .section1 .right .download {
  margin-top: 51px;
  width: 240px;
  height: 72px;
  border-radius: 36px 36px 36px 36px;
  cursor: pointer;
  background-image: url(https://cdn-file.cdcyber.com/web2/cleancut/images/index_download-a5e1dbe872.png);
  background-repeat: no-repeat;
  background-size: 720px 72px;
}

.main .section1 .right .download:hover {
  background-position-x: -240px;
}

.main .section2 {
  margin: 160px auto 0;
  height: 206px;
  width: 1050px;
  overflow: hidden;
}

.main .section2 .item {
  float: left;
  margin-left: 96px;
  width: 284px;
  height: 206px;
}

.footer {
  width: 100%;
  margin: 124px auto 49px;
  height: 16px;
  text-align: center;
  font-size: 12px;
  color: #999999;
  line-height: 16px;
}

.footer span {
  margin-left: 20px;
}