* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "SourceHanSansCN-Medium", "SourceHanSansCN-Light", "微软雅黑", ;
}

.banner-box {
    height: 597px;
    overflow: hidden;
    margin: 0 auto;
}

.banner-list {
    height: 119px;
    background: url("../images/banner_01.jpg") no-repeat center top;
}

.banner-list2 {
    height: 120px;
    background-image: url("../images/banner_02.jpg")
}

.banner-list3 {
    height: 119px;
    background-image: url("../images/banner_03.jpg")
}

.banner-list4 {
    height: 120px;
    background-image: url("../images/banner_04.jpg")
}

.banner-list5 {
    height: 119px;
    background-image: url("../images/banner_05.jpg")
}

.center-box {
    width: 893px;
    margin: 0 auto;
}

.center-img1 {
    display: block;
    height: 331px;
    margin: 32px auto 0;
}

.center-img2 {
    display: block;
    height: 151px;
    margin: 55px auto 0;
}

.center-img3 {
    display: block;
    width: 514px;
    height: 41px;
    margin: 49px auto 0;
}

.center-img4 {
    display: block;
    height: 232px;
    margin: 32px auto 0;
}

.bottom {
    width: 100%;
    height: 279px;
    margin: 84px auto 0;
    background: url("../images/bottom_bg.jpg") no-repeat center top;
}