/* 隐藏水平滚动条（底部滚动条） */
html, body {
    overflow-x: hidden;
}

.banner-transform{
    min-height: 60px;
    background-image: linear-gradient(#05173B, #40495a);
}

.knowledge-btn{
    display: inline-block;
    height: 150px;
    width: 150px;
    margin-top: 20px;
    border-radius: 25px;
    border:  solid #05173B 1px;
}

.knowledge-header{
    min-height: 100px;
    background-color: #40495a;
    text-align: center;
    color: #ffffff;
    font-size: 30px;
}

.knowledge-block{
    margin-top:30px;
    height:400px;
    border: #40495a solid 2px;
    background-image: url(https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fimg.1ppt.com%2Fuploads%2Fallimg%2F2010%2F1_201028193154_3.JPG&refer=http%3A%2F%2Fimg.1ppt.com&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=jpeg?sec=1643373299&t=eb939754cedf0a536fd9d681aac0a7e4);
}