// 覆盖默认组纪检样式, 使用id(layoutMain), class由于权重问题会导致无效
.main-container {
    background: url('../images/index/bg.png') no-repeat left top;
    background-size: cover;
}
#layoutMain {
    height: 1080px;
    .left {
        padding-right: 0px;
        background: url('../images/index/leftBg.png') no-repeat right top;
    }
    .right {
        padding-left: 0px;
        background: url('../images/index/rightBg.png') no-repeat left top;
    }
}
