/*
 * normalized
 */
html {
    font-size: 14px;
    font-family: PingFangSC-Medium, "Microsoft YaHei UI" , sans-serif;
}
body,p,h1,h2,h3,h4,h5,h6 {
    margin: 0;
    padding: 0;
    color: #333333;
}
ul,ol,li {
    margin: 0;
    padding: 0;
    list-style: none;
}
a {
    color: #333333;
    text-decoration: none;
}
div {
    box-sizing: border-box;
}
button {
    outline: none;
    border: none;
    cursor: pointer;
}
article,aside,dialog,footer,header,section,footer,nav,figure,menu {
    display:block
}
.fl {
    float: left;
}
.fr {
    float: right;
}
.clearfix {clear:both
}
.fs-16 {
    font-size: 16px;
}
.fs-18 {
    font-size: 18px;
}
.pos-a {
    position: absolute;
}