@media screen and (min-width:1680px) {
html {
    font-size: 100px!important;
}
}

@media screen and (max-width:1680px) and (min-width:1600px) {
body,
html {
    font-size: 87.50px!important;
}
}

@media screen and (max-width:1599px) and (min-width:1440px) {
body,
html {
    font-size: 83px!important;
}
}

@media screen and (max-width:1439px) and (min-width:1366px) {
body,
html {
    font-size: 75px!important;
}
}

@media screen and (max-width:1365px) {
body,
html {
    font-size: 71px!important;
}
}

/* 兼容 */
/* display: -webkit-box; 老版本语法: Safari, iOS, Android browser, older WebKit browsers. */
/* display: -moz-box; 老版本语法: Firefox (buggy) */
/* display: -ms-flexbox; 混合版本语法: IE 10 */
/* display: -webkit-flex; 新版本语法: Chrome 21+ */
/* display: flex; 新版本语法: Opera 12.1, Firefox 22+ */
/* -webkit-flex-wrap: nowrap; */
/* -ms-flex-wrap: nowrap; */
/* flex-wrap: nowrap; */