/* 内容区域优化 */
.about-content {
    background: white;
    min-height: 500px;
    background: url('../images/aboutbg.jpg');
    position: relative;
    padding: 5rem 0;
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

.about-us-con{
    border-radius: 15px;
    background-color: #fff;
    padding: 40px;
}