/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.5;
}

/* 通用样式 */
.hidden {
    display: none;
} 

li{
    list-style: none;
}

a{
    text-decoration: none;
}