.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-img {
    width: 1050px;
    height: 350px;
    padding: 0 75px;
    margin: 0 auto;
}

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

.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%;
}


/* 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 img {
    width: 115px;
    height: 144px;
}

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

/* 应用场景 */
.birck-bd-left-img {
    float: left;
    width: 598px;
    height: 422px;
}

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

.birck-bd-right-step {
    float: left;
    width: 500px;
    padding: 0 30px;
}
.step-item {
    margin-top: 20px;
}

.step-item:first-child {
    margin-top: 0px;
}

.step-item-hd {
    display: flex;
    align-items: center;
}
.step-item-title {
    margin-left: 4px;
}
.step-item-bd {
    margin-top: 6px;
}
.step-item-img {
    width: 18px;
    height: 18px;
}

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

.step-info {
    font-size: 12px;
    color: #505050;
}
/* 应用场景 */