.w1200 {
    width: 1200px;
    margin: 0 auto;
}

.banner {
    width: 100%;
    height: 790px;
}

.part12 {
    height: 640px;
    margin-top: -105px;
    box-sizing: border-box;
    padding-top: 55px;
}

.tit {
    width: 100%;
    box-sizing: border-box;
    position: relative;
}

.tit_gd {
    position: absolute;
    top: 19px;
    right: 5px;
}

.tit_gd a {
    font-size: 16px;
    color: #0057b0;
}

.p12cont {
    width: 1145px;
    margin: 0 auto;
}

.cont_L,
.cont_R {
    width: 525px;
    float: left;
}

.cont_L {
    margin-right: 50px;
}

.p1_cont_li,
.p3_li {
    width: 100%;
    height: 45px;
    line-height: 45px;
}

.p1_cont_li img,
.p3_li img {
    vertical-align: middle;
    margin-right: 5px;
}

.p1_cont_li a,
.p3_li a {
    font-size: 18px;
}

.cont_rq {
    color: #afafaf;
}

.part3 {
    width: 100%;
    height: 520px;
    background: #e8f1ff;
    box-sizing: border-box;
    padding-top: 50px;
    margin-bottom: 35px;
}

.p3_nr {
    width: 100%;
    height: 345px;
    box-sizing: border-box;
    padding: 50px 42px 0 307px;
}

.p4_cont {
    width: 100%;
    height: 230px;
    margin-top: 10px;
    margin-bottom: 65px;
    box-sizing: border-box;
    padding: 35px 240px 0 135px;
    font-size: 18px;
}

.p4_cont li {
    line-height: 32px;
}

.ewm img {
    width: 140px;
    margin-bottom: 15px;
}