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, hgroup, menu, nav, output, ruby, section, summary, time, mark, audio, video, dialog, input {
    margin: 0;
    padding: 0;
    border: 0;
    font-size: 100%;
    vertical-align: baseline;
    -webkit-tap-highlight-color: transparent;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    -ms-box-sizing: border-box;
    box-sizing: border-box;
}
article, aside, details, figcaption, figure, footer, header, hgroup, menu, nav, section {
    display: block;
}
/* ios默认文本框阴影 */
input[type=text], textarea {
    -webkit-appearance: none;
}
/* 低版本安卓文本框层级问题 */
input:focus {
    -webkit-user-modify: read-write-plaintext-only;
}
ol, ul, li, menu {
    list-style: none;
}
table {
    border-collapse: collapse;
    border-spacing: 0;
}
html, body {
    width: 100%;
    font-size: 10px;
    font-family: "思源黑体", "Arial";
    line-height: 1;
    color: #303030;
}
html {
    -webkit-text-size-adjust: none;
    -ms-text-size-adjust: 100%;
}
a, button, input {
    outline: 0 none;
    text-decoration: none;
}
img {
    border: 0 none;
    vertical-align: bottom;
    -ms-interpolation-mode: bicubic;
    max-width: 100%;
}
.hide {
    display: none;
}
.cf:after { clear: both; content: ""; display: block; height: 0; overflow: hidden; visibility: hidden; zoom: 1; }

.help2{
    width:110px;
    height:280px;
    background-color: #F9FAFB;
    box-shadow:1px 1px 5px 0px #333;
    position: fixed;
    top:200px;
    right:20px;
    z-index: 100;
    text-align: center;
    border-radius: 5px;
    padding-top: 10px;
}
.help2 .help-close{
    width:20px;
    height:20px;
    border: 1px solid #666;
    border-radius: 50%;
    background-color: #fff;
    position: absolute;
    top:-10px;
    right:-2px;
    font-size:18px;
    color: #666;
    cursor: pointer;
    text-align: center;
    line-height: 20px;
}
.help2 .help-first{
    display: inline-block;
    width:80px;
    height:80px;
    border: 2px solid #fff;
    border-radius: 50%;
    background-color: #F9FAFB;
    box-shadow:1px 1px 5px 0px #999;
    overflow: hidden;
}
.help2 .help-first img{
    width:70px;
    height:80px;
    transition: all 0.5s
}
.help2 .help-first img:hover{
    width:80px;
    height:90px;
}
.help2 .help-tit{
    display: inline-block;
    width:100%;
    font-size:16px;
    color: #F99503;
    padding: 5px 0;
    border-bottom: 2px solid #c5c5c5;
}
.help2 .help-a{
    width:100%;
    display: inline-block;
    margin-top: 5px;
}

@media screen and (max-width:768px) {
    .help2{
        display: none;
    }
}