.header .logo {
  width: 190px;
  height: 65px;
  background-size: contain;
}
.main-page {
  position: relative;
  width: 100%;
}
.page {
  position: relative;
  width: 100%;
  z-index: 4;
}
.content {
  position: absolute;
  overflow: hidden;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: 2;
  transition: transform 1s ease;
  backface-visibility: hidden;
}
.size-bg-box {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
}
.elem {
  position: absolute;
}
.page1 {
  height: 900px;
  color: #fff;
  overflow: hidden;
  z-index: 2;
}
.page1 .bg1 {
  height: 800px;
  background-image: url(../images/bg1.jpg);
}
.page1 .bg2 {
  top: 800px;
  background-image: url(../images/bg2.jpg);
}
.page1 .page-content {
  position: relative;
  padding-top: 345px;
}
.page1 .t1,
.page1 .t2 {
  font-size: 60px;
  color: #fff;
}
.page1 .t2 {
  margin-top: 40px;
}
.page1 .t3 {
  color: #fff;
  font-size: 20px;
  margin-top: 45px;
}
.page1 .elem0 {
  width: 572px;
  height: 515px;
  top: 139px;
  right: 190px;
}
.page1 .elem0 i {
  background-image: url(../images/e0.png);
  width: 100%;
  height: 100%;
  display: block;
}
.page2 {
  height: 100px;
  color: #000;
  overflow: hidden;
  z-index: 1;
}
.page2 .size-bg-box {
  background-image: url(../images/bg2.jpg);
}
.page2 .content {
  position: relative;
  padding-top: 140px;
}
.page2 .t4 {
  color: #2f343d;
  font-size: 36px;
  text-align: center;
  font-weight: bold;
  position: relative;
}
.page2 .t4 span {
  position: relative;
  z-index: 2;
}
.page2 .t4 .title1 {
  position: absolute;
  z-index: 1;
  background: url(../images/title1.png) center no-repeat;
  width: 540px;
  height: 46px;
  left: 50%;
  margin-left: -270px;
  bottom: -27px;
}
.page2 .list {
  margin-top: 150px;
}
.page2 .list .item {
  float: left;
  width: 11.111111%;
  text-align: center;
}
.page2 .list .item .tag {
  margin: auto;
  background-image: url(../images/tag.png);
  width: 108px;
  height: 34px;
  color: #fff;
  font-size: 18px;
  line-height: 34px;
}
.page2 .list .item .text {
  color: #000;
  font-size: 18px;
  margin-top: 26px;
}
.page3 {
  height: 1058px;
  color: #000;
  overflow: hidden;
  z-index: 1;
}
.page3 .size-bg-box {
  background-image: url(../images/bg3.jpg);
}
.page3 .content {
  position: relative;
  padding-top: 260px;
  overflow: visible;
}
.page3 .t5 {
  color: #fff;
  font-size: 36px;
  text-align: center;
  font-weight: bold;
  position: relative;
  z-index: 2;
}
.page3 .t5 span {
  position: relative;
  z-index: 2;
}
.page3 .t5 .title2 {
  position: absolute;
  z-index: 1;
  background: url(../images/title2.png) center no-repeat;
  width: 412px;
  height: 46px;
  left: 50%;
  margin-left: -206px;
  bottom: -27px;
}
.page3 .elem1 {
  width: 1136px;
  height: 389px;
  z-index: 1;
  left: 50%;
  margin-left: -568px;
  top: 444px;
}
.page3 .elem1 i {
  background-image: url(../images/e1.png);
  width: 100%;
  height: 100%;
  display: block;
}
.page4 {
  height: 1013px;
  color: #000;
  overflow: hidden;
  z-index: 1;
}
.page4 .size-bg-box {
  background-image: url(../images/bg4.jpg);
}
.page4 .content {
  position: relative;
  padding-top: 50px;
  overflow: visible;
}
.page4 .t6 {
  color: #000;
  font-size: 36px;
  text-align: center;
  font-weight: bold;
  position: relative;
  z-index: 2;
}
.page4 .t6 span {
  position: relative;
  z-index: 2;
}
.page4 .t6 .title3 {
  position: absolute;
  z-index: 1;
  background: url(../images/title3.png) center no-repeat;
  width: 328px;
  height: 46px;
  left: 50%;
  margin-left: -164px;
  bottom: -27px;
}
.page4 .about {
  margin: auto;
  margin-top: 135px;
  width: 1028px;
}
.page4 .about .left {
  width: 496px;
  float: left;
  color: #2f343d;
  font-size: 18px;
  line-height: 2;
}
.page4 .about .left p {
  text-indent: 2em;
}
.page4 .about .right {
  float: left;
  margin-left: 98px;
  width: 434px;
  height: 330px;
}
.page4 .about .right i {
  background-image: url(../images/e2.jpg);
  width: 100%;
  height: 100%;
  display: block;
}
.page5 {
  height: 432px;
  color: #000;
  overflow: hidden;
  z-index: 1;
}
.page5 .size-bg-box {
  background-image: url(../images/bg5.jpg);
}
.page5 .content {
  position: relative;
  padding-top: 2px;
  overflow: visible;
}
.page5 .t7 {
  color: #fff;
  font-size: 36px;
  text-align: center;
  font-weight: bold;
  position: relative;
  z-index: 2;
}
.page5 .t7 span {
  position: relative;
  z-index: 2;
}
.page5 .t7 .title4 {
  position: absolute;
  z-index: 1;
  background: url(../images/title4.png) center no-repeat;
  width: 699px;
  height: 46px;
  left: 50%;
  margin-left: -350px;
  bottom: -27px;
}
.page5 .elem3 {
  width: 1121px;
  height: 174px;
  z-index: 1;
  left: 50%;
  margin-left: -561px;
  top: 120px;
}
.page5 .elem3 i {
  background-image: url(../images/e3.png);
  width: 100%;
  height: 100%;
  display: block;
}