#body-content {
    background-color: #fff;
}

#banner {
    width: 1920px;
    height: 580px;
    background: url("../image/banner.jpg") no-repeat center;
}

.box-title {
    width: 733px;
    height: 80px;
    margin: 0 auto 35px;
    background: url("../image/stb.png") no-repeat top;
    background-size: contain;
    text-align: center;
    overflow: hidden;
}

.box-title h6 {
    font-size: 22px;
    font-weight: 500;
    color: #434343;
    line-height: 29px;
    margin-top: 40px;
    position: relative;
}

.box-title h6::after {
    content: '';
    border-top: 10px solid #21A23A;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    position: absolute;
    bottom: -10px;
    left: 50%;
    margin-left: -10px;
}

.show-box {
    margin: 71px 0 90px;
}

.show-box .box {
    margin-bottom: 17px;
}