html, body, div, span, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
abbr, address, cite, code,
del, dfn, em, img, ins, kbd, q, samp,
small, sub, sup, var,
b, i,
dl, dt, dd, ol,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, figcaption, figure, 
footer, header, menu, nav, section, summary,
time, mark, audio, video {
    margin:0;
    padding:0;
    border:0;
    outline:0;
    vertical-align:baseline;
    background:transparent;
}
/* 除去移动web点击框线问题 */
div,a,button,input,li{
        -webkit-tap-highlight-color: rgba(0,0,0,0);
        -webkit-tap-highlight-color: transparent;
}
a, img {
  touch-callout: none;
    -webkit-touch-callout: none; /* 禁止长按链接与图片弹出菜单 */
}
i{
    font-style: normal;
}
html, body {
    -webkit-user-select: none;   /* 禁止选中文本（如无文本选中需求，此为必选项） */
    user-select: none;
}
body {
  font-size:14px;
}

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

nav ul,ul, ul li {
    list-style:none;
}
blockquote, q {
    quotes:none;
}

blockquote:before, blockquote:after,
q:before, q:after {
    content:'';
    content:none;
}

a {
    margin:0;
    padding:0;
    border:0;
    font-size:100%;
    vertical-align:baseline;
    background:transparent;
}

ins {
    background-color:#ff9;
    color:#000;
    text-decoration:none;
}

mark {
    background-color:#ff9;
    color:#000; 
    font-style:italic;
    font-weight:bold;
}

del {
    text-decoration: line-through;
}

abbr[title], dfn[title] {
    border-bottom:1px dotted #000;
    cursor:help;
}

table {
    border-collapse:collapse;
    border-spacing:0;
}
.clear {
     clear: both;
     height:1px;
     margin-top:-1px;
     overflow:hidden;
}
hr {
    display:block;
    height:1px;
    border:0;
    border-top:1px solid #cccccc;
    margin:1em 0;
    padding:0;
}
.fl{ float:left;}
.fr{ float:right;}
.txtLeft{ text-align: left;}
.txtRight{text-align: right;}
.txtCenter { text-align: center;}
input, select {
    vertical-align:baseline;
}
.mtb30{ margin:30px 0;}
.mtb20{ margin:20px 0;}
.mb1{ margin-bottom:1em;}
.mt6{ margin-top:6em;}
.mt3{ margin-top: 3em;}
.mt2{ margin-top:1em;}
.mb6{ margin-bottom:6em;}
.pb3{ padding-bottom:3em;}
.pt3{ padding-top: 3em;}



@media all and (min-width: 750px) {

}