* {
    /* 初始化 取消页面的内外边距 */
    padding: 0;
    margin: 0;
}

.section30 {
    /* 弹性布局 让页面元素垂直+水平居中 */
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    height: max-content;
    background-color: #ffffff;
    width: 100vw;
}


.section30_container {
    display: flex;
    /* 让一行中的元素平均分配宽度 */
    justify-content: center;
    align-items: center;
    /* 元素在一行放不下时自动换行 */
    flex-wrap: wrap;
    width: 100vw;
    height: max-content;
}

.section30_container .section30_box {
    display: flex;
    justify-content: space-around;
    align-items: center;
    /* 让元素垂直排列 这里就是让包含图片的div和文字垂直排列 */
    flex-direction: column;
    width: 14vh;
    height: 18vh;
    margin: 2vh;
    /* 鼠标放上去变成小手 */
    cursor: pointer;
}
.section30_box p{
    font-size: 2vh;
    color: #000000;
    font-weight: bold;

}

.section30_container .section30_box .section30_img {
    /* 这里让图片在盒子里垂直+水平居中 */
    display: flex;
    justify-content: center;
    align-items: center;
    width: 14vh;
    height: 14vh;
    /* 圆角属性 */
    border-radius: 2vh;
    /* 盒子阴影 */
    box-shadow: 18px 18px 30px rgba(0, 0, 0, 0.2),
        -18px -18px 30px rgba(255, 255, 255, 1);
    /* 过渡时间 ease-out是指先快速 后慢速 */
    transition: all 0.2s ease-out;
    object-fit: cover;
    overflow: hidden;
}

.section30_container .section30_box .section30_img img {
    width: 9vh;
    height: 9vh;
    border-radius: 2vh;
    transition: all 0.2s ease-out;
}

.section30_container .section30_box p {
    color: slategrey;
}

.section30_container .section30_box .section30_img:hover {
    /* inset 是内部阴影 默认是外部阴影outset */
    box-shadow: 0 0 0 rgba(0, 0, 0, 0.2), 0 0 0 rgba(255, 255, 255, 0.8),
        inset 18px 18px 30px rgba(0, 0, 0, 0.1),
        inset -18px -18px 30px rgba(255, 255, 255, 1);
}

.section30_container .section30_box .section30_img:hover img {
    width: 12vh;
}