body {
  background: #f5f5f5;
}
.banner_wrap {
  background: #fff;
  margin: auto;
}
.banner {
  margin: auto;
  position: relative;
  width: 1920px;
  height: 500px;
  background-image: url(../image/banner_1.png);
  background-repeat: no-repeat;
}
.banner .itemList {
  margin: auto;
  width: 1200px;
  height: 160px;
  padding-top: 380px;
}
.banner .itemList .item {
  float: left;
  margin: 10px;
  width: 280px;
  height: 160px;
  background: #fff;
  border-radius: 6px;
  text-align: center;
}
.banner .itemList .item .img {
  width: 40px;
  height: 40px;
  margin: auto;
  margin-top: 40px;
}
.banner .itemList .item .title {
  margin-top: 10px;
  font-size: 16px;
  color: #333;
  font-weight: 600;
}
.banner .itemList .item .tip {
  font-size: 12px;
  color: #999;
}
.banner .itemList .item:hover .img {
  transform: rotateY(360deg);
  transition-duration: 1s;
}
.banner .itemList .item:hover .title {
  color: #2882ff;
}
.floor_1 {
  width: 100vw;
  margin: 130px auto 50px;
}
.floor_1 .itemList {
  width: 1200px;
  height: 140px;
  margin: auto;
}
.floor_1 .itemList .item {
  transform: rotateX(45deg);
  width: 33.3%;
  float: left;
}
.floor_1 .itemList .item .title {
  height: 100px;
  line-height: 100px;
  float: left;
  font-family: Arial, Helvetica, sans-serif;
  font-weight: 600;
  font-size: 100px;
}
.floor_1 .itemList .item .tip {
  height: 100px;
}
.floor_1 .itemList .item .tip p {
  height: 50px;
  font-size: 26px;
  line-height: 30px;
}
.floor_2 {
  width: 100vw;
  height: 470px;
  margin: auto;
  background: #fff;
}
.floor_2 .aboutCompany {
  width: 1200px;
  margin: auto;
}
.floor_2 .aboutCompany .left_box {
  float: left;
  width: 460px;
  height: 460px;
}
.floor_2 .aboutCompany .right_box {
  width: 50%;
  float: left;
  margin-top: 60px;
  margin-left: 60px;
}
.floor_2 .aboutCompany .right_box .title {
  font-size: 30px;
  font-weight: 500;
  color: #333;
}
.floor_2 .aboutCompany .right_box .intro {
  margin-top: 20px;
  font-size: 14px;
  line-height: 40px;
  color: #666;
  line-height: 24px;
}
.floor_3 {
  margin: auto;
  height: 600px;
}
.floor_4 {
  width: 100vw;
  margin: auto;
  background: #fff;
}
.floor_4 .title_bg {
  width: 1920px;
  height: 215px;
  margin: auto;
  background: red;
}
.floor_4 .supe_wrap {
  width: 100vw;
}
.floor_4 .supe_wrap .itemList {
  width: 1200px ;
  margin: auto;
  background: #fff;
  height: 480px;
}
.floor_4 .supe_wrap .itemList .item {
  width: 200px;
  height: 200px;
  float: left;
  padding-left: 20px;
  margin-right: 20px;
  margin-bottom: 20px;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0px 0px 15px #eee;
}
.floor_4 .supe_wrap .itemList .item .num {
  font-size: 60px;
  font-family: Arial, Helvetica, sans-serif;
  font-weight: bold;
  margin: 14px 0px 10px 20px;
  color: rgba(146, 155, 170, 0.3);
}
.floor_4 .supe_wrap .itemList .item .title {
  font-size: 20px;
  font-weight: bold;
  color: #272B31;
  margin-bottom: 10px;
}
.floor_4 .supe_wrap .itemList .item .intro {
  font-size: 14px;
  color: #929BAA;
  line-height: 20px;
}
.floor_4 .supe_wrap .itemList .item:hover {
  background: linear-gradient(0deg, #1a70eb, #089ff9);
}
.floor_4 .supe_wrap .itemList .item:hover .num,
.floor_4 .supe_wrap .itemList .item:hover .title,
.floor_4 .supe_wrap .itemList .item:hover .intro {
  color: #fff;
}