* {
    margin: 0;
    padding: 0;
    outline: 0 none;
    box-sizing: border-box;
}

body {
    -webkit-font-smoothing: antialiased;
    background-color: #fff;
    font-family: "PingFang SC", "Microsoft YaHei", Helvetica, Arial, sans-serif,
        "Source Han Serif";
    font-size: 14px;
    color: #666666;
}

em,
i {
    font-style: normal;
}

li {
    list-style: none;
}

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

button {
    cursor: pointer;
}

a {
    color: #666666;
    text-decoration: none;
    cursor: pointer;
}

button,
input {
    border: 0;
}

.hide,
.none {
    display: none;
}

.clearfix:after {
    visibility: hidden;
    clear: both;
    display: block;
    content: ".";
    height: 0;
}

.clearfix {
    *zoom: 1;
}