html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed,
figure, figcaption, footer, header,
menu, nav, output, ruby, section, summary,
time, mark, audio, video, input, button {
    margin: 0;
    padding: 0;
    border: 0;
    font-size: 100%;
    font-weight: normal;
    vertical-align: baseline;
}

body, html {
    line-height: 1;
    font-family: PingFangSC-Medium, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", Arial, sans-serif;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

body { font-size: 14px; color: #333; -webkit-text-size-adjust: none;}
html { -webkit-text-size-adjust: 100%; -ms-text-size-adjust: 100%;}

html { -webkit-box-sizing: border-box; -moz-box-sizing: border-box; box-sizing: border-box;}
*, *:before, *:after { -webkit-box-sizing: inherit; -moz-box-sizing: inherit; box-sizing: inherit;}

article, aside, details,figcaption,figure,footer,header,hgroup, menu,nav,section { display: block;}

input, button, optgroup, select, textarea { outline: none; margin: 0; font: inherit;}
input[type=submit], input[type=reset], input[type=button] { -webkit-appearance: none; resize: none;}
input[type=search]::-webkit-search-cancel-button,
input[type=search]::-webkit-search-decoration { -webkit-appearance: none;}

a { color: #7e8c8d; -webkit-backface-visibility: hidden; text-decoration: none;}

li { list-style: none;}

img { max-width: 100%; height: auto; width: auto\9; vertical-align: middle; -ms-interpolation-mode: bicubic;}

table { border-collapse: collapse; border-spacing: 0;}

blockquote, q { quotes: none;}
blockquote:before, blockquote:after, q:before, q:after { content: none;}

.clearfix:after { display: block; content: ""; visibility: hidden; height: 0; clear: both;}
.clearfix { zoom: 1;}

.hidden, .h_hide { display: none;}

.fl { float: left;}
.fr { float: right;}
