.cards {
    max-width: 1200px;
    margin: 0 auto;
}
/*字体设置*/
.text-center {
    font-family:"微软雅黑", "Times New Roman", Times, serif;
}
.card-text {
    font-family:"微软雅黑", "Times New Roman", Times, serif;
}
.cards a:hover {
    color:unset;
    text-decoration: none;
}