.banner{
    width:100%;
    height:610px;
    margin: 125px auto 0 auto;
}
.banner img{
    width:100%;
    height:100%;
    object-fit: cover;
}
.title{
    margin-top:115px;
    margin-bottom:90px;
}
.title h3{
    color:#222;
    font-size:42px;
    text-align:center;
}
.title h3 span{
    border-bottom:6px solid #2AA3A3;
}
article p{
    color:#666;
    font-size:26px;
    line-height:42px;
    font-weight: lighter;
    margin-bottom:60px;
}
/* 左文右图 */
.item_count{
    display:flex;
    justify-content: space-between;
    align-items: center;
    padding:0 50px;
    margin-bottom:100px;
}
.grey{
    background:#EEEEEE;
}
.right h3{
    text-align:right;
}
.item_count .item_text{
    flex:1;
    margin-right:90px;
}
.item_count .item_text h3{
    font-size:32px;
    color:#666;
    padding-bottom:25px;
    border-bottom:1px solid #A3A3A3;
    font-weight: normal;
}
.item_count .item_text p{
    margin-top:20px;
    font-size:26px;
    line-height:42px;
    color:#666;
    font-weight: lighter;
}
.grey .item_pic{
    width:500px;
}
.item_count .item_pic img{
    width: 100%;
}
.right .item_pic{
    width:500px;
}
.right .item_text {
    margin-right:0;
    margin-left:150px;
}
.item_text .text_right{
    text-align:right;
}
.grey .three{
    width:420px;
    margin-top:-55px;
    margin-bottom:40px;
}
.right .four {
    width:680px;
}
.right .te {
    margin-left:0;
}
.grey .last {
    width: 480px;
    margin-top: -55px;
}