.ecology-block {
    margin-bottom: 120px;
}

.ecology-block .block_tit span::before {
    width: 144px;
}
.ecology-intro_lf,.ecology-intro_rt {
    width: 46.66%;
    display: block;
}
.ecology-intro_lf_desc {
    line-height: 1.57em;
    color: #666;
    margin: 0 0 45px 0;
}
.ecology-intro_lf_img img{
    display: block;
    width: 46.43%;
}
.ecology-intro_bottom {
    margin-top: 80px;
    background: #F7F7F7;
    padding: 46px 28px 80px 28px;
}
.ecology-intro_bottom img {
    width: 100%;
    display: block;
}

.ecology-advan_list .ecology-advan_item {
    float: left;
    width: 23.75%;
    -webkit-box-sizing: border-box;
            box-sizing: border-box;
    background: #F7F7F7;
    padding: 0 28px 40px 28px;
    margin-top: 68px;
    height: 244px;
}
.ecology-advan_item_top {
    display: block;
    width: 152px;
    margin: -68px auto 16px auto;
}

.ecology-advan_list .ecology-advan_item:not(:last-child) {
    margin-right: 1.6666%;
}
.ecology-advan_item_content p {
    margin: 0;
}
.ecology-advan_item .ecology-advan_item_content:not(:last-child) {
    margin-bottom: 20px;
}
.ecology-advan_item_content {
    color: #666;
    display: table;
    width: 100%;
}
.ecology-advan_item_tit {
    width: 55px;
    margin: 0;
    padding-right: 10px;
}
.ecology-advan_item_desc {
    line-height: 1.57em;
    display: table-cell;
    width: 100%;
}
.ecology-coop_img img{
    width: 100%;
    display: block;
}