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 {
    margin: 0;
    padding: 0;
    border: 0;
    font-size: 100%;
    vertical-align: baseline;
}
li {
    list-style: none;
}
a {
    color: #06C1AE;
}
html {
    width: 100%;
    background: #F0F2F5;
    height: 100%;
}
body {
    max-width: 760px;
    min-height: 100%;
    background: #fff;
    margin: 0 auto;
    padding: 50px 20px 50px;
}
.menu {
    position: fixed;
    width: 100%;
    top: 0;
    left: 50%;
    max-width: 800px;
    background: #fff;
    overflow: hidden;
    height: 50px;
    border-bottom: 1px solid #f0f0f0;
    text-align: center;
    line-height: 50px;
    font-size: 16px;
    -webkit-transform: translateX(-50%);
    -moz-transform: translateX(-50%);
    -ms-transform: translateX(-50%);
    -o-transform: translateX(-50%);
    transform: translateX(-50%);
    z-index: 100;box-shadow: 0px 0px 50px 0px rgba(0,0,0,0.08);
    display: flex;
}
.menu>a {
    display: block;
    width: 50px;
}
.menu>a.back {
    background: url('../images/fanhui2.png') no-repeat center;
    background-size: 20px 20px;
}
.menu>a.toindex {
    background: url('../images/shouye.png') no-repeat center;
    background-size: 20px 20px;
}
.menu li {
    flex: 1;
    position: relative;
    cursor: pointer;
    font-weight: bold;
    line-height: 50px!important;
}
.menu li:hover {
    background: #f9f9f9;
}
.menu li a{
    color: #444444;
    text-decoration: none;
    display: block;
}
.menu li.curr a {
    color: #06C1AE;
}
.menu li:after {
    position: absolute;
    content: "";
    left: 50%;
    margin-left: -12px;
    bottom: 0;
    width: 24px;
    height: 3px;
    background: transparent;
}
.menu li.curr {
    color: #06C1AE;
}
.menu li.curr:after {
    background: #06C1AE;
}

.tab-pingtai ,
.tab-liucheng{
    padding-top: 30px;
}
.tab-pingtai .topvideo ,
.tab-liucheng .topvideo{
    display: block;
    width: 100%;
}
.black-title {
    font-size:18px;
    font-weight: bold;
    color:rgba(51,51,51,1);
    line-height:18px;
    margin-bottom: 20px;
    margin-top: 30px;
}
.line {
    height: 1px;
    background: #f0f0f0;
    margin: 30px auto;
}
.default {
    font-size:14px;
    color:rgba(102,102,102,1);
    line-height:25px;
    margin-bottom: 15px;
}
.sec-title,
.aab-title{
    font-size: 16px;
    color: #666666;
    line-height:25px;
    font-weight: bold;
    margin: 0;
    padding: 0;
}
.sec-title::before,.sec-title::after {
    content: "";
    display: none;
}
.aab-title {
    font-size: 14px;
    margin-bottom: 5px;
}
.liuchengp {
    font-size:14px;
    color:rgba(102,102,102,1);
    line-height:25px;
    margin-bottom: 10px;
}
.blackline {
    height:10px;
    background:rgba(247,247,247,1);
    margin: 30px -20px;
}
.video_pic {
    width: 100%;
}