.titles {
    font-weight: bold;
    color: #2A2A2A;
    text-align: center;
    margin-top: 150px;
    font-size: 30px;
}

.list {
    width: 1200px;
    height: 600px;
    margin: auto;
    margin-top: 50px;
}

.list table {
    width: 100%;
}

.list table thead tr {
    height: 40px;
    background: rgb(242, 244, 248);
    font-size: 13px;
    color: #515a6e;
}

.list table tbody tr {
    height: 40px;
    font-size: 14px;
    color: #606266;
    background-color: #ffff;
    border-bottom: 1px solid #dfe6ec;
}

.list table tbody tr span {
    font-weight: 500;
    font-size: 14px;
    color: #1890ff;
}