.bannerWrapper {
    width: 100%;
    /* height: 516px; */
}

.banner a {
    display: block;
}

.banner img {
    display: block;
    width: 100%;
    height: 100%;
}

/* main 开始 */
.page-main {
    width: 100%;
}

.container {
    /* width: 1200px;
    margin: 0 auto; */
}

.brick-box-bg {
    background-color: #FFF;
}

.brick-box-bgcolor {
    background-color: #F2F9FF;
}

.brick-box {
    width: 1200px;
    margin: 0 auto;
}

.brick-padding-box {
    padding-bottom: 40px;
}

.nav-tab-item {
    float: left;
    width: 25%;
    text-align: center;
}

.nav-tab-item a {
    display: block;
    line-height: 60px;
    
}

.nav-tab-item a span {
    color: #303030;
}

.nav-tab-item-active a span {
    color: #1D6AEA;
}

.nav-tab-line {
    display: none;
    width: 126px;
    height: 4px;
    background-color: #1D6AEA;
    margin: 0 auto;
}

.nav-tab-item-active a .nav-tab-line {
    display: block;
}

.birck-hd {
    padding: 30px;
}

.birck-bd {
    padding: 0 30px;
}


.birck-title .title {
    text-align: center;
    font-size: 20px;
    font-weight: 400;
    line-height: 58px;
    color: #333;
}

.birck-title .title-1 {
    text-align: center;
    font-size: 20px;
    font-weight: 400;
    line-height: 58px;
    color: #333;
    margin-top: 20px;
}

.birck-title .title-2 {
    text-align: center;
    font-size: 14px;
    font-weight: 400;
    color: #5F5E5E;
}

.birck-bd-video {
    width: 1088px;
    height: 593px;
    margin: 0 auto;
}

.birck-bd-video img {
    display: block;
    width: 100%;
}

.bd-img1 {
    width: 1000px;
    height: 370px;
    margin: 0 auto;
}

.birck-bd-img img {
    display: block;
    width: 100%;
    height: 100%;
}

.bd-img2 {
    width: 700px;
    height: 162px;
    margin: 0 auto;
}

.step-title {
    color: #386BFF;
    font-weight: bold;
    margin-top: 55px;
    margin-bottom: 55px;
    padding: 0 40px;
}

.step-img {
    width: 1050px;
    height: 417px;
    margin: 0 auto;
}

.step-img img {
    display: block;
    width: 100%;
}
.step-img1 {
    width: 580px;
    height: 200px;
}

.step-img2 {
    width: 1000px;
    height: 420px;
}
.step-img3 {
    width: 750px;
    height: 300px;
}



/* 平台亮点开始 */
.birck-bd-list {
    display: flex;
    justify-content: center;
    margin-top: 30px;
}
.birck-bd-item {
    float: left;
    width: 235px;
    margin: 0 30px;
}
.birck-bd-item-img {
    width: 95px;
    height: 120px;
    margin: 0 auto;
}

.birck-bd-item img {
    display: block;
    width: 100%;
    height: 100%;
}

.birck-bd-item-img-line {
    width: 235px;
    height: 4px;
    margin-top: 12px;
}

.birck-bd-title-1 {
    text-align: center;
    color: #282828;
    margin-top: 16px;
}

.w-img {
    width: 120px;
    height: 158px;
}

.w-img img {
    display: block;
    margin: 0 auto;
}

.w-img1 img {
    width: 120px;
    height: 152px;
}

.w-img2 img {
    width: 115px;
    height: 158px;
}
.w-img3 {
    padding-top: 10px;
}

.w-img3 img {
    width: 115px;
    height: 144px;
}

.w-img4 img {
    width: 118px;
    height: 145px;
}
/* 平台亮点结束 */