body,html {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    margin: 0;
    padding: 0;
	height: auto;
}
* {
    box-sizing: border-box;
}
main {
    width: 100%;
    display: flex;
    justify-content: center;
    flex-direction: column;
    align-items: center;
}

table {
    width: 1200px;
    border-collapse: collapse;
    margin-top: 20px;
    border-radius: 15px;
    /* 设置表格四个角的圆角 */
    overflow: hidden;
    /* 确保内容不会超出圆角范围 */
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    /* 添加阴影效果 */

    height: 700px;
}

th,
td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: center;
}

.th {
    background-color: #4a90e2;
    color: black;
    font-weight: bold;
}

tr:nth-child(even) {
    /* background-color: #f2f2f2; */
}

tbody tr td {
    width: 200px;
}

.title {
    width: 1200px;
    height: 100px;
    /* background: aqua; */

    h3 {
        color: #4a90e2;
    }
}
.breadcrumb-item{
    cursor: pointer;
}
@media (max-width: 768px) {
    table{
        width: 100%;
    }
    .title{
        width: 100%;

    }
}