html, body, p, ul, li, img, h1, h2, h3, h4, pre {
    margin: 0;
    padding: 0;
    border: 0
}

html, body, button, input, textarea, pre {
    font-family: "Microsoft Yahei", Arial, sans-serif
}

html, body {
    width: 100%;
    height: 100%;
    border: 0;
    line-height: 1;
}

body {
    background: #fff;
    -webkit-text-size-adjust: none
}

h1, h2, h3, h4 {
    font-weight: normal
}

ul {
    list-style: none
}

a {
    text-decoration: none;
    color:#333
}

img {
    border: none
}

textarea {
    overflow: auto;
}
input {
    background:none;  
    outline:none;  
    border:none;
}
embed{
    width:100%;
}

* {
    scrollbar-face-color: #bbb;
    scrollbar-arrow-color: #bbb;
    scrollbar-3dlight-color: #c0c0c0;
    scrollbar-highlight-color: #bbb;
    scrollbar-shadow-color: #bbb;
    scrollbar-darkshadow-color: #c0c0c0;
    scrollbar-track-color: #eee;
}

pre{
    border: 0;
    background: 0;
    white-space: pre-line;
}

::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-button {

}

::-webkit-scrollbar-track {
    background-color: #ddd;
}

::-webkit-scrollbar-track-piece {
    background-color: #f3f3f3;
    -webkit-border-radius: 3px;
}

::-webkit-scrollbar-thumb {
    background-color: #ccc;
    border: solid 1px #c0c0c0;
    border-radius: 3px;
}

::-webkit-scrollbar-corner {
    background-color: #f3f3f3;
}

::-webkit-resizer {
    background-repeat: no-repeat;
    background-position: bottom right;
}

::-webkit-scrollbar-thumb:hover {
    background-color: #bbb;
}
div,p,span,ul,ol,li,dt,dd,dl,a{
    font-size: 14px;
    color: #333;
}
.clearfix:after{
    display: block;
    clear: both;
    content: "";
    visibility: hidden;
    height: 0;
}
#main{
    min-width: 1200px;
}
.content_center{
    width: 1200px;
    margin: 0 auto;
}
.header_wrap{
    width: 100%;
    height: 100px;
    line-height: 100px;
    background: #fff;
}
.header_wrap .logo_wrap{
    float: left;
    height: 100px;
}
.header_wrap .nav_wrap{
    float: right;
    display: flex;
}

.header_wrap ul{
    width: 480px;
    display: flex;
    font-size: 16px;
}
.header_wrap ul li{
    flex: 1;
    text-align: center;
    position: relative;
}
.header_wrap ul li>a{
    display: inline-block;
    width: 100%;
    line-height: 94px;
}
.header_wrap ul li:hover a{
    border-bottom: 3px solid #148bdf;
    transition: border-bottom 0.2s ease-out;
}
.header_wrap ul li>a i.iconfont{
    display: inline-block;
    width: 7px;
    height: 7px;
    background: url(../images/arrow_bottom.png) center no-repeat;
    background-size: 100%;
    vertical-align: middle;
    margin-top: -2px;
}
.header_wrap ul li .menu_wrap{
    position: absolute;
    width: 130px;
    background: #fff;
    z-index: 99;
    padding: 0 10px;
    left: -35px;
    max-height: 0;
    transition: max-height 0.2s ease-out;
    overflow: hidden;
}
.header_wrap ul li:hover .menu_wrap{
    transition: max-height 0.3s ease-in;
    max-height: 200px;
}
.header_wrap ul li .menu_wrap a{
    display: block;
    height: 56px;
    line-height: 56px;
    text-align: center;
    color: #666;
    font-size: 16px;
    border-bottom: 1px solid #e9f3fe;
}
.login_btn_wrap{
    margin-left: 30px;
}
.login_btn_wrap a{
    display: inline-block;
    width: 90px;
    height: 34px;
    line-height: 34px;
    text-align: center;
    font-size: 14px;
    border-radius: 4px;
}
.login_btn_wrap a.try_btn{
    border: 1px solid #333;
    color: #333;
}
.login_btn_wrap a.try_btn:hover{
    border: 1px solid #999;
    color: #999;
}
.login_btn_wrap a.login_btn{
    color: #fff;
    background: #288df7;
    margin-left: 10px;
}
.login_btn_wrap a.login_btn:hover{
    background: #62acfa;
}
.banner_wrap{
    width: 100%;
    height: 720px;
    background: url(../images/banner.png) no-repeat center;
}
.banner_wrap .banner_info{
    text-align: center;
    padding-top: 240px;
}
.banner_wrap .banner_info h2{
    font-size: 48px;
    padding-bottom: 58px;
    color: #fff;
}
.banner_wrap .banner_info p.desc{
    font-size: 28px;
    padding-bottom: 75px;
    color: #fff;
}
.banner_wrap .banner_info a.experience_btn{
    font-size: 22px;
    display: inline-block;
    width: 340px;
    height: 54px;
    line-height: 54px;
    text-align: center;
    border: 1px solid #fff;
    color: #fff;
}
.banner_wrap .banner_info a.experience_btn:hover{
    background: #0096ff;
    border: 1px solid #0096ff;
}
.lb_item{
    width: 100%;
}
/* footer */
.lb_trial{
    height: 403px;
    background: url(../images/probation_bg.png) center no-repeat;
    
}
.lb_trial h2{
    font-size: 30px;
    color:#fff;
    text-align: center;
    padding: 80px 0 40px 0;
}
.lb_trial .trial_desc{
    color: #fff;
    text-align: center;
    margin-bottom: 60px;
}
.lb_trial .input_wrap{
    width: 590px;
    height: 50px;
    border-radius: 4px;
    background: #fff;
    margin: 0 auto;
}
.lb_trial .input_wrap input{
    width: 413px;
    height: 50px;
    padding: 0 20px;
    font-size: 16px;
    border: none;
    margin-left: 5px;
}
.lb_trial .experience_btn{
    width: 132px;
    height: 50px;
    line-height: 50px;
    background: #44dba8;
    text-align: center;
    color: #fff;
    vertical-align: top;
    float: right;
    border-top-right-radius: 4px;
    border-bottom-right-radius: 4px;
    font-size: 16px;
}
#lb_footer{
    min-width: 1200px;
}
.lb_footer_nav{
    background: #202530;
    padding-top: 60px;
}
.lb_info_wrap{
    float: left;
    width: 145px;
    text-align: center;
}
.lb_info_wrap .logo_wrap{
    padding-bottom: 66px;
}
.lb_info_wrap .qr_code{
    width: 130px;
    height: 132px;
    background: #fff;
    display: none;
}
.lb_info_wrap .qr_code>img{
    width: 78px;
    height: 78px;
    padding: 12px 26px;
}
.lb_info_wrap .qr_code p{
    font-size: 12px;
    color: #afb0b4;   
}
.lb_info_wrap .current_code_img{
    display: block; 
}
.lb_info_wrap .icon_wrap{
    padding-top: 25px;
    text-align: center;
}
.lb_info_wrap .icon_wrap a{
    display: inline-block;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid #a2a2a2;
    line-height: 38px;
    text-align: center;
    margin: 0 8px;
}
.lb_info_wrap .icon_wrap a .iconfont{
    font-size: 16px;
    color: #fff;
}
.lb_info_wrap .icon_wrap a.current{
    border: 1px solid #288df7;
}
.lb_info_wrap .icon_wrap a.current .iconfont{
    color: #288df7;
}
.footer_nav{
    margin-left: 200px;
}
.footer_nav ul.nav_list{
    height: 362px;
    display: flex;
    justify-content: space-around;
    border-bottom: 1px solid #424854;
}
.footer_nav .nav_list .title{
    font-size: 20px;
    color: #fff;
    padding-bottom: 20px;
}
.footer_nav .nav_list a{
    display: block;
    line-height: 36px;
    color: #afb0b4;
}
.footer_nav .nav_list a:hover{
    color: #fff;
}
.footer_nav .relation{
    padding: 34px 0 49px 0;
}
.footer_nav .relation i{
    margin-right: 5px;
}
.footer_nav span{
    margin-right: 47px;
    font-size: 14px; 
    color: #a5a6ab;
}
.copyright{
    height: 66px;
    line-height: 66px;
    background: #1b1f28;
    font-size: 12px;
    text-align: center;
}
.copyright p{
    color: #3d424c;
}
.lb_item{
    width: 100%;
}
.lb_item h3{
    font-size: 30px;
    color: #343f4b;
    text-align: center;
    padding: 80px 0 40px 0;
}
.lb_item_desc{
    color: #7d858e;
    line-height: 25px;
    width: 800px;
    text-align: center;
    margin: 0 auto;
}