html,
body,
div,
span,
img,
a,
p,
h1,
h3 {
  margin: 0;
  padding: 0;
}

img {
  border: 0;
}

a {
  outline: 0;
  border: 0;
  text-decoration: none;
}

html,
body {
  width: 100%;
  height: 100%;
  background-image: url(https://pc.52tt.com/media/1264/bg.jpg);
  background-size: cover;
}

.wrap {
  position: relative;
  width: 100%;
  height: 100%;
  
  background-size: cover;
  min-width: 1420px;
  min-height: 700px;
  font-family: '微软雅黑';
}

.fullscreenvideo {
  position: absolute;
  top: 50%;
  left: 50%;
  min-width: 100%;
  min-height: 100%;
  /* width: 100%;
  height: 100%; */
  z-index: -100;
  -webkit-transform: translateX(-50%) translateY(-50%);
  transform: translateX(-50%) translateY(-50%);
  -webkit-transition: 1s opacity;
  transition: 1s opacity;
  background-size: 100% 100%;
}
body{
  overflow: hidden;
}

.logo {
  width: 276px;
  margin-top: 22.5px;
  margin-left: 97.5px;
}

.main {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  margin: auto;
  width: 1150px;
  height: 754px;
  overflow: hidden;
}

.pc-img {
  float: left;
  /* max-width: 972px;
  min-width: 800px; */
  width: 602px;
}

.download {
  float: right;
  margin-top: 150px;
}

.title {
  font-size: 60px;
  font-weight: bolder;
  color: rgba(255, 255, 255, 1);
}

.subtitle {
  margin-bottom: 39px;
  height: 60px;
  font-size: 30px;
  font-weight: 400;
  text-align: CENTER;
  color: rgba(255,255,255,0.60);
  line-height: 30px;
}

.download-btn {
  display: inline-block;
  width: 356px;
  height: 100px;
  font-weight: 400;
  color: rgba(255, 255, 255, 1);
  text-align: center;
  background: url('/media/1266/btn_download_normal.png');
  background-size: cover;
}

.download-btn:hover {
  background: url("/media/1265/btn_download_hover.png")
    no-repeat center;
  background-size: cover;
}
.download-btn-new {
  display: inline-block;
  width: 356px;
  height: 100px;
  font-weight: 400;
  color: rgba(255, 255, 255, 1);
  text-align: center;
  background: rgba(255,255,255,0.30);
  border: 2px solid rgba(255,255,255,0.50);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.download-icon {
  margin-top: 13px;
  width: 32px;
  vertical-align: middle;
}

.download-text {
  display: inline-block;
  margin-top: 13px;
  vertical-align: middle;
  font-size: 32px;
}

.download-version {
  display: block;
  font-size: 20px;
  font-weight: 300;
  opacity: 0.5;
}

.version-details {
  display: inline-block;
  margin-left: 15px;
  vertical-align: top;
  font-size: 20px;
  margin-top: 30px;
  line-height: 22px;
}
.version-details span{
  font-size: 13px;
  color: rgba(255,255,255,0.6);
}
a{
  color: rgba(255,255,255,0.8);
}
a:hover{
  color: rgba(255,255,255,1);
}
.download-32,.download-mac  {
  display: block;
  margin-top: 20px;
  width: 310px;
  font-weight: 300;
  font-size: 20px;
}
.download-32 {
  text-indent: 30px;
  text-align: left;
  background: url('/media/1267/icons-download.png') no-repeat 0 center;
  background-size: 24px;
}
.download-mac {
  background: url('/media/1267/icons-download.png') no-repeat 0 center;
  text-align: left;
  text-indent: 30px;
  background-size: 24px;
}

.copyright {
  position: absolute;
  bottom: 30px;
  width: 100%;
  font-size: 14px;
  font-weight: 100;
  color: #FFFFFF;
  text-align: center;
}