a, abbr, acronym, address, applet, article, aside, audio, b, big, blockquote, body, canvas, caption, center, cite, code, dd, del, details, dfn, div, dl, dt, em, embed, fieldset, figcaption, figure, footer, form, h1, h2, h3, h4, h5, h6, header, hgroup, html, i, iframe, img, ins, kbd, label, legend, li, mark, menu, nav, object, ol, output, p, pre, q, ruby, s, samp, section, small, span, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, time, tr, tt, u, ul, var, video { margin: 0; padding: 0; border: 0; -webkit-box-sizing: border-box; -moz-box-sizing: border-box; box-sizing: border-box; -webkit-tap-highlight-color: rgba(255,255,255,0); }

article, aside, details, figcaption, figure, footer, header, hgroup, menu, nav, section { display: block; }

body { font-family: Microsoft Yahei,Helvetica,Arial; }

td, th { word-break: break-all; word-wrap: break-word; }

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

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

.clearfix { zoom: 1; display: block; }

button, input[type=button], input[type=password], input[type=reset], input[type=submit], input[type=text] { -webkit-appearance: none; outline: 0; }

button, input { outline: 0; }

:focus { outline: 0; }

img { border: none; vertical-align: top; font-size:12px; }

button { border: none; }

a { -webkit-tap-highlight-color: rgba(255,255,255,0); text-decoration: none; color: inherit; -webkit-user-select: none; -moz-user-select: none; -ms-user-select: none; user-select: none; -webkit-touch-callout: none; -webkit-text-size-adjust: none; -webkit-tap-highlight-color: transparent; }

a:hover { text-decoration: none; }

a:focus { text-decoration: none; outline: 0; }

a:active { text-decoration: none; outline: 0; }

dd, dl, dt, li, ol, ul { list-style: none; }

b, em, i, strong { font-style: normal; font-weight: 400; }

 html {
      font-size:100px;
    }

@media screen and (max-width: 640px) {
    html {
     font-size:100px;
    }
}
@media screen and (max-width: 624px) {
    html {
      font-size:97.5px;
    }
}
@media screen and (max-width: 608px) {
    html {
      font-size:95px;
    }
}
@media screen and (max-width: 592px) {
    html {
      font-size:92.5px;
    }
}
@media screen and (max-width: 576px) {
    html {
      font-size:90px;
    }
}
@media screen and (max-width: 560px) {
    html {
      font-size:87.5px;
    }
}
@media screen and (max-width: 544px) {
    html {
      font-size:85px;
    }
}
@media screen and (max-width: 528px) {
    html {
      font-size:82.5px;
    }
}
@media screen and (max-width: 512px) {
    html {
      font-size:80px;
    }
}
@media screen and (max-width: 496px) {
    html {
      font-size:77.5px;
    }
}
@media screen and (max-width: 480px) {
    html {
      font-size:75px;
    }
}
@media screen and (max-width: 464px) {
    html {
        font-size: 72.5px;
    }
}
@media screen and (max-width: 448px) {
    html {
        font-size: 70px;
    }
}
@media screen and (max-width: 432px) {
    html {
      font-size:67.5px;
    }
}
@media screen and (max-width: 416px) {
    html {
      font-size:65px;
    }
}

@media screen and (max-width: 400px) {
    html {
      font-size:62.5px;
    }
}
@media screen and (max-width: 384px) {
    html {
      font-size:60px;
    }
}

@media screen and (max-width: 368px) {
    html {
      font-size:57.5px;
    }
}
@media screen and (max-width: 352px) {
    html {
      font-size:55px;
    }
}
@media screen and (max-width: 336px) {
    html {
      font-size:52.5px;
    }
}
@media screen and (max-width: 320px) {
    html {
      font-size:50px;
    }
}