* {
    padding: 0;
    margin: 0;
    font-family: "Microsoft YaHei", "微软雅黑", "宋体";}

ul {
    list-style-type: none;}

li {
    list-style-type: none;}

a {
    text-decoration: none;
    color: #333;
    cursor: pointer;}
.text-overflow {
    white-space: nowrap;
    overflow-x: hidden;
    text-overflow: ellipsis;}
.main-container {
    position: relative;
    width: 1200px;
    margin: 0 auto;}
@media (max-width: 768px) {
    .sm-hide {
        display: none;}
    .main-container {
        width: 100%;
        padding: 0 15px;
        box-sizing: border-box;}
}
@media (max-width: 1200px) and (min-width: 768px) {
    html, body {
        width: 1200px;}
}