.banner {
    height: 780px;
    background: url(../images/bigData.png) no-repeat center center/cover;
    color: #fff;
}

.banner-inner {
    padding-top: 160px;
    margin-left: -100px;
}

.banner-gif {
    margin-bottom: 20px;
    margin-left: -10px;
}

@media screen and (max-width: 1440px) {
    .banner-inner {
        margin-left: 0;
    }
    .banner-gif {
        margin-left: 0;
    }
}
.banner-text .text1{
  font-size: 62px;
  margin-bottom: 30px;
  width: 820px;
 text-align: center;
}
.banner-text .text2{
    font-size: 22px;
    text-align: center;
    width: 820px;
    margin-bottom: 10px;
 letter-spacing: 2px;
}
.box-list{
    padding: 100px 0;
}
.box-left{
    width: 584px;
    height: 428px;
    position: relative;
}
.box-left img{
    position: absolute;
  
}
.box-left img:first-child{
    top: 0;
    left: 0;
    z-index: 2;
}
.box-left img:first-child+img{
    bottom: 0;
    right: 0;
}
.box-right{
    overflow: hidden;
    padding-left: 34px;
    height: 428px;
    flex-direction: column;
    justify-content: space-between;
}
.box-right .title{
    text-align: left;
    padding-bottom: 15px;
    border-bottom: 1px solid #ccc;
}
.box-right .word{
    font-size: 24px;
    padding-top: 20px;
    color: #7d8288;
    padding-right: 5px;
    padding-left: 5px;
    text-align: justify;
}
@media screen and (max-width: 1440px) {
    .box-right .title{
       font-size: 24px;
       padding-bottom: 5px;
    }
    .box-right .word{
        font-size: 20px;
        padding-top: 5px;
    }
}
.box{
    height: 1056px;
    color: #fff;
    background: url(../images/bigData6.png) no-repeat center center/cover;
}
.box .box-title{
    padding-top: 100px;
    color: #fff;
}
.box .box-dec{
    padding: 30px 30px 66px;
    text-align: center;
    font-size: 24px;
}
.box--2{
    height: 704px;
    background: url(../images/bigData10.png) no-repeat center center/cover;
}
.box--2 .box-line{
    width: 86px;
    height: 4px;
    border-radius: 2px;
    margin:20px auto 80px;
    background-color: #4fc1f1;
}
.box-img{
    text-align: center;
}
.box--2 .box-text{
    padding: 36px 18px;
    font-size: 24px;
    margin-top: 54px;
    background-color: rgba(255, 255, 255, 0.3);
    text-align: center;
    line-height: 36px;
}
.box-list--3{
   
}
.box-list--3 .box-img{
    width: 48%;
    margin-top: 70px;
}