*{
    margin: 0;
    padding: 0;
    list-style:  none;
    text-decoration: none;
    font-size: 14px;
}
body{
    background-color: #f5f5f5;
}
.top{
    width: 1920px;
    margin: 85px auto 0;
    background: url("../imgs/help.jpg") no-repeat center;
    background-size: 100% 100%;
    height: 300px;
    text-align: center;
}
.top h2{
    font-weight: 300;
    font-size: 36px;
    color: #fff;
    padding-top: 120px;
    text-shadow: 5px 5px 5px #333;
}
.top p{
    font-size: 20px;
    color: #fff;
    line-height: 30px;
    text-shadow: 5px 5px 5px #333;
}
.menu{
    width: 1200px;
    margin: 0 auto;
    display: block;
    clear: both;
    margin-top: 30px;
}
.menu a{
    display: block;
    width: 98px;
    height: 44px;
    font-size: 14px;
    color: #333;
    text-align: center;
    line-height: 44px;
    background: #e5e5e5;
    margin-right: 10px;
    border-radius: 22px;
    float: left;
}
.menu a:hover{
    background: #ce0000;
    color: #fff;
}
.menu .ischoose{
    background: #ce0000;
    color: #fff;
}
.introduce{
    width: 900px;
    margin: 110px auto 0;
    padding: 30px;
    clear: both;
    background-color: #fff;
}
.zhengshu{
    width: 900px;
    margin: 110px auto 0;
    padding: 30px;
    clear: both;
    background-color: #fff;
}
.anquan{
    width: 900px;
    margin: 110px auto 0;
    padding: 30px;
    clear: both;
    background-color: #fff;
}
.help{
    width: 900px;
    margin: 110px auto 0;
    padding: 30px;
    clear: both;
    background-color: #fff;
}
.zhidao{
    width: 900px;
    margin: 110px auto 0;
    padding: 30px;
    clear: both;
    background-color: #fff;
}
.download111{
    width: 900px;
    margin: 110px auto 0;
    padding: 30px;
    clear: both;
    background-color: #fff;
}
.connect{
    width: 900px;
    margin: 110px auto 0;
    padding: 30px;
    clear: both;
    background-color: #fff;
}
.xieyi{
    width: 900px;
    margin: 110px auto 0;
    padding: 30px;
    clear: both;
    background-color: #fff;
}
.introduce_title{
    border-bottom: 1px solid #999;
    padding-bottom: 15px;
}
.introduce .content p{
    font-size: 14px;
    text-indent: 30px;
    line-height: 30px;
    color: #666;
}
.introduce h2{
    padding: 30px 0;
    color: red;
    font-size: 16px;
}
.zhengshu img{
    margin-top: 30px;
    margin: 30px auto 0;
    display: block;
}
.xieyi{
    color: #666;
}
.xieyi h1{
    margin: 50px 0 35px 0;
    font-size: 18px;
}
.xieyi .content p{
    font-size: 14px;
    line-height: 30px;
    color: #666;
}
.xieyi h2{
    margin-top: 30px;
    margin-bottom: 10px;
    font-size: 18px;
}
.anquan img{
    margin-top: 30px;
    margin-bottom: 40px;
}
.anquan h1{
    font-size: 54px;
    font-weight: 500;
}
.anquan h1 span{
    color: #f34b34;
    font-size: 54px;
}
.anquan .anquan_title{
    margin: 20px 0;
    color: rgb(255, 102, 0);
    font-size: 20px;
}
.content p{
    font-size: 16px;
}
.anquan .content{
    color: #666;
    margin-right: 100px;
}
.text_right{
    text-align: right;
}
.zhidao h2{
    margin-top: 40px;
    font-size: 16px;
}
.zhidao .text{
    text-indent: 28px;
    margin:30px 0 0 0;
    line-height: 26px;
}
.zhidao img{
    display: block;
    margin: 30px auto 0;
}
.zhidao .caopan{
    display: flex;
    margin-top: 30px
}
.zhidao .caopan li{
    text-align: center;
    flex: 1;
}
.zhidao .caopan li img{
    display: block;
    margin: 0 auto;
}
.zhidao .caopan li p{
    margin-top: 10px;
}
.zhidao .img_size{
    width: 600px;
}
.download111 .saoma-box{
    width: 900px;
    height: 538px;
    background-image: url(../imgs/appbg.png);
    background-repeat: no-repeat;
    background-position: center;
    background-size: 900px 100%;
    padding-top: 20px;
   
}
.download111 .saoma-box .xiazai-title {
    width: 200px;
    display: block;
    margin: 0 auto;
    margin-top: 40px;
}
.saoma-box{
    margin-top: 20px;
}
.saoma-box .anzhuo {
    width: 218px;
    height: 222px;
    background-image: url(../imgs/and_icon.png);
    background-repeat: no-repeat;
    background-position: center;
    background-size: 100%;
    margin-left: 60px;
}
.saoma-box .pingguo {
    width: 218px;
    height: 222px;
    background-image: url(../imgs/ios_icon.png);
    background-repeat: no-repeat;
    background-position: center;
    background-size: 100%;
    margin-left: 60px;
}
.saoma-box .pingguo_f {
    width: 218px;
    height: 222px;
    background-image: url(../imgs/ios_f_icon.png);
    background-repeat: no-repeat;
    background-position: center;
    background-size: 100%;
    margin-left: 60px;
}
.saoma-box .anzhuo img {
    width: 160px;
    padding-top: 54px;
    margin-left: 14px;
}
.saoma-box .pingguo img {
    width: 160px;
    padding-top: 54px;
    margin-left: 14px;
}
.saoma-box .pingguo_f img {
    width: 160px;
    padding-top: 54px;
    margin-left: 14px;
}
.fl{
    float: left;
}
.download111 h2{
    font-size: 18px;
    color: #5ab0ff;
    line-height: 44px;
    margin-top: 30px;
}
.download111 .text{
    text-indent: 28px;
}
.download111 .pg-box {
    margin-top: 30px;
    margin-left: 300px;
}
.download111 .pg-box p {
    font-size: 14px;
    line-height: 40px;
    background-image: url(../imgs/nub.png);
    background-repeat: no-repeat;
    background-position: center left;
    background-size: 44px;
    text-indent: 16px;
    color: #fff;
}
.download111 .pg-box span {
    margin-left: 26px;
    color: #333;
}
.help h2{
    font-size: 16px;
    line-height: 26px;
    margin-top: 40px;
}
.help .content p{
    color: #666;
    line-height: 26px;
    margin-top: 15px;
}
.lianxi-center{
    text-align: center;
    margin-top: 60px;
}
.connect h1 {
    margin-top: 60px;
    font-size: 20px;
    color: #333;
    line-height: 30px;
}
.connect .lianxi-center span {
    font-size: 14px;
    color: #666;
    line-height: 30px;
}
.connect ul {
    margin-left: 160px;
    margin-top: 30px;
    margin-bottom: 40px;
    float: left;
}
.connect .lianxi-center li {
    font-size: 14px;
    color: #666;
    margin-right:140px;
}
.connect .lianxi-center li h2 {
    font-size: 18px;
    color: #ee504f;
    margin-bottom: 10px;
    margin-top: 10px;
}
.ditu {
    width: 700px;
    height: 400px;
    margin: 0 auto;
    margin-top: 35px;
    margin-bottom: 176px;
    display: block;
    padding-bottom: 40px;
}
.introduce_title a:hover{
    color: #ce0000;
}