.banner{
    width: 100%;
    height: 360px;
    background-color: #17222B;
    margin-top: 54px;
}
.banner-title{
    font-size:36px;
    color:white;
    padding-top:77px;
    padding-bottom:40px;
    text-align: center;
}


/*搜索框*/

.button_m{
    margin: 0;
    padding: 0;
    border: 0px solid transparent;
    outline: none;
    background: white;
    margin-top: 10px;
    margin-left: 8px;
}
.search{
    width: 650px;
    height: 40px;
    background-color: white;
    display: flex;
    border-radius:2px;
    margin: 0 auto;
}
.search input{
    float: left;//左浮动
flex: 4;
    margin-left: 28px;
    width: 580px;
    height: 40px;
    outline: none;
    border: 1px solid white;
    box-sizing: border-box;//盒子模型，怪异IE盒子模型，width=content+border*4+padding*4
padding-left: 10px;
}
.search-icon{
    width: 20px;
    height: 20px;
    float: right;
    margin-top:10px;
}
.search-hot{
    text-align:center;
    line-height: 24px;
    font-size: 14px;
    color: #FFFFFF;
    margin: 40px 0px 0px 440px;
    font-weight:300;
}
.search-hot span{
    opacity: 0.78;
    float: left;
}
.hotwords{
    float: left;
    margin: 0 auto;
    padding-left:10px;
}
.hotwords li{
    color:white !important;
    list-style: none;
    text-decoration: none;
    float: left;
    margin: 0px 30px 0px 0px;
    cursor: pointer;
}
.hotwords a{
    list-style: none;
    text-decoration: none;
}
.hotwords a:hover{
    color: #3BA5FF;
}

.help-con{
    /*padding-bottom: 100px;*/
    display: flex;
    padding-bottom: 100px;
    /*background-color: #4db14d;*/
}
/*产品文档*/

.pro_lit_nav{
    font-size: 16px;

    /*margin-left: 63px;*/
}
.pro_lit_nav a{
    color: #888888;!important;
}

.pro_lit_nav .help_nav:hover{
    color: #44B0F0!important;
}

.help-con-title{
    margin-top: 60px;
    width: 100%;
    /*height: 100px;*/
    /*border-bottom: 1px solid  rgba(204,204,204,0.78);*/
}
.help-con-title p{
    text-align: center;
    width: 120px;
    font-size:18px;
    font-weight:400;
    color:rgba(0,164,255,1);
}
.help-con-title .line{
    position: absolute;
    width:1200px;
    height:1px;
    border-bottom: 1px solid  rgba(204,204,204,0.78);
}
.help-con-title .line02{
    margin-top: -1px;
    position: absolute;
    width:120px;
    height:2px;
    background:rgba(0,164,255,1);
}
.help-con-detail{
    margin-top: 60px;
}
.help{
    width: 600px;
    height: 284px;
    float: left;
}

.help-con-detail .help-con-detail01{
    margin: 0px 60px 0px 100px;
    width: 440px;
}
.help-con-detail .help-con-detail-title{
    width: 440px;
    height:44px;
    border-bottom: 1px solid rgba(204,204,204,0.78) ;
    font-size:18px;
    font-weight:600;
    color:rgba(51,51,51,1);
    margin-bottom: 20px;
}
.help-con-detail-title img{
    margin: 0px 20px 0px 20px;
}
.help-con-detail ul{
    list-style: none;
    text-decoration: none;
    margin-left: 34px;
    margin-bottom: 60px;
}
.help-con-detail li{
    /*text-overflow: ellipsis;*/
    /*white-space: nowrap;*/
    font-size:15px;
    color:rgba(102,102,102,1);
    line-height:40px;
    letter-spacing:1px;
    text-decoration: none;
    overflow: hidden;
    text-overflow:ellipsis;
    white-space: nowrap;
    /*list-style-type: disc ;*/
    cursor: pointer;
}
.help-con-detail a{
    text-decoration: none;
    color:inherit;
}

.help-con-detail li:hover{
    color: #4DBFFF;
}
.help-con-detail a p{
    text-decoration: none;
    color: #333333;
}