*{
    margin: 0;
    padding: 0;
    list-style: none;
    font-family: "PingFang SC", "Microsoft YaHei", "微软雅黑", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
}
html{}
@media screen and (max-width: 1079px){
    html{
        font-size: calc(100vw /  3.75);
    }
}
input{
    outline: none;
    border: none;
}
input::-webkit-input-placeholder {
    /* WebKit browsers */
    color: #999;
}
input:-moz-placeholder {
    /* Mozilla Firefox 4 to 18 */
    color: #999;
}
input::-moz-placeholder {
    /* Mozilla Firefox 19+ */
    color: #999;
}
input:-ms-input-placeholder {
    /* Internet Explorer 10+ */
    color: #999;
}
a{
    text-decoration: none;
}