* {
    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;
    }
}