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

html, body {
    width: 100%;
    height: 100%;
    font-family: PingFangSC-Regular, -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

/* 清除默认样式 */
ul, ol, li {
    list-style: none;
}

a {
    text-decoration: none;
    color: inherit;
}

img {
    border: 0;
    vertical-align: middle;
}

input, button, textarea, select {
    font-family: inherit;
    font-size: inherit;
    outline: none;
    border: none;
    background: none;
}

button {
    cursor: pointer;
}

table {
    border-collapse: collapse;
    border-spacing: 0;
}

/* 清除浮动 */
.clearfix::after {
    content: "";
    display: table;
    clear: both;
}

/* 隐藏元素 */
.hidden {
    display: none !important;
}