.header{
    position: relative;
    background: #3f4347;
}
.section-ptb{
    padding: 50px 0;
}
.solution1-banner{
    height: 307px;
}
/* .serive2_2{
    padding: 50px;
    padding-left: 60px;
} */
.section4_img,
.section3_img{
    width: 110px;
    height: 110px;
    margin: auto;
}

.section4_img{
    margin: 10px;
}
.section3,
.section4{
    padding-bottom: 80px;
}
.section4_item{
    width: 350px;
    height: 420px;
    box-shadow: 0 0 5px #dddddd;
    box-sizing: border-box;
    margin-bottom: 20px;
}
.section4_2 .section4_item{
    float: left;
    margin-right: 13.3333px;
}
.section4_2::after{
    content: "";
    display: table;
    clear: both;
}
.section4_item:hover .section4_item_top{
    background: #3586df;
}
.section4_item:hover .section4_item_top p{
    color: #ffffff;
}
.section4_item:hover .section4_item_top_2{
    color: #ffffff;
    background: #2d77c9;
}
.section4_item:hover{
    border: 1px solid #3586df;
}
.section4_item_top{
    background: #eaeaeb;
}
.section4_item_top_2{
    background: #d6d6d6;
    color: #333333;
}
.section4_item_top_2>div>div+div{
    border-left: 1px solid #eaeaeb;
}
.section4_subtitle{
    width: 100%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 0;
    color: #888888;
}
.section4_item_bottom>div+div{
    border-top: 1px solid #eaeaeb;
}