.bw{
    width: 1200px;
}

.minW{
    min-width: 1500px;
}

.height-full{
    height: 100%;
}

.header-top{
    margin-top: 96px;
}

.nav {
    width: 100%;
    background-color: #fff;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 99999;
    transition: all .3s;
}

.nav.shadow{
    box-shadow: 0px 4px 4px rgba(36,46,66,0.03);
}

.other_nav {
    position: relative;
    width: 1200px;
    height: 96px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 16px;
    background-color: #fff;
}

.logo_tag {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.right_content {
    display: flex;
    align-items: center;
    margin-left: 50px;
}

.nav_list {
    display: flex;
    align-items: center;
    height: 100%;
    a {
        text-decoration: none;
    }
}

.nav_item {
    height: 100%;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #000;
    margin-right: 16px;
    cursor: pointer;
    position: relative;
    box-sizing: border-box;
}

.nav_item:last-child{
    margin-right: 0;
}

.nav_item::after {
    content: " ";
    position: absolute;
    left: 0;
    bottom: 0;
    right: 0;
    margin: 0 auto;
    width: 0;
    height: 2px;
    background-color: #006666;
    transition: all 0.1s ease;
}
.nav_item .nav_item_a{
    height: 100%;
    display: block;
    padding: 0 10px;
    color: #000;
    line-height: 96px;
}

.nav_item:hover .nav_item_a{
    color: #006666;
}

/* .nav_item:hover::after {
    content: " ";
    left: 0;
    bottom: 0;
    right: 0;
    margin: 0 auto;
    position: absolute;
    width: 100%;
    height: 2px;
    background-color: #006666;
    transition: all 0.3s;
    transform: scale(1);
} */

.nav_item_active {
    color: #006666;
}

/* .nav_item_active::after {
    content: " ";
    left: 0;
    bottom: 0;
    right: 0;
    margin: 0 auto;
    position: absolute;
    width: 100%;
    height: 2px;
    background-color: #006666;
} */

.customer_item {
    padding: 9px 0;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #111111;
    margin-left: 30px;
    position: relative;
    box-sizing: border-box;
}
.nav_item .icon{
    margin-left: 4px;
    margin-bottom: 4px;
    width: 14px;
    height: 14px;
}
.nav_bar {
    /* display: none; */
    position: fixed;
    top: 70px;
    left: 50%;
    transform: scaleY(0) translateX(-50%);
    transform-origin: 0 0;
    transition: all .3s ease-out;
    visibility: hidden;
    opacity: 0;
    box-shadow: 0px 10px 16px 0px rgba(55, 99, 170, 0.1);
    border-radius: 0px 0px 4px 4px;
}
.content_nav {
    width: 100vw;
    min-height: 472px;
    margin: auto;
    padding: 40px;
    /* opacity: 0.98; */
    background: #FFFFFF;
    border-top: 1px solid #000;
}
.opacity_class {
    width: 100%;
    height: 25px;
    opacity: 0;
}
.nav_bar .content_nav .market,.information,.understand {
    display: none;
}
.class_list {
    margin: auto;
    width: 1200px;
    display: flex;
    justify-content: space-between;
}
.class_list .item {
    padding-bottom: 19px;
    width: 294px;
    border-bottom: 1px solid #E9E9E9;
    font-size: 16px;
    font-weight: 400;
    color: #101112;
}
.product_list {
    margin: auto;
    width: 1200px;
    display: flex;
    justify-content: space-between;
}
.product_list a {
    cursor: pointer;
    margin-top: 24px;
    padding: 16px 14px;
    display: block;
    width: 304px;
    height: 72px;
    border-radius: 4px;
}
.product_list a:hover {
    background: #F6F6F6;
}
.product_list .application {
    display: flex;
}
.product_list .application .icon{
    margin-right: 10px;
    width: 40px;
    height: 40px;
    margin-top: 2px;
}
.product_list .application .icon_img {
    margin-right: 10px;
    width: 40px;
    height: 40px;
}
.product_list .application .icon img{
    width: 100%;
    height: 100%;
}
.product_list .application .icon_img img {
    width: 100%;
    height: 100%;
}
.product_list .application .title {
    font-size: 16px;
    font-family: PingFang SC, Microsoft YaHei;
    font-weight: 400;
    color: #111111;
    line-height: 24px;
}
.product_list .application .value {
    font-size: 12px;
    font-family: PingFang SC, Microsoft YaHei;
    font-weight: 400;
    color: #666666;
    line-height: 20px;
}

.topic-switch{
    display: flex;
    position: absolute;
    right: 4px;
    width: 328px;
    height: 96px;
    padding: 32px 64px;
    margin-right: -170px;
    text-align: center;
    box-sizing: border-box;
    background: url('/images/service/service-switch-bg.png') no-repeat;
    background-size: 328px 96px;
}

.topic-switch .left-btn,
.topic-switch .right-btn{
    display: block;
    width: 96px;
    height: 32px;
    line-height: 32px;
    text-align: center;
    font-size: 14px;
    font-weight: 400;
    color: #006666;
    background: #ffffff;
    border: 1px solid #006666;
    box-sizing: content-box;
}

.topic-switch .check-btn{
    background-color: #006666;
    color: #fff;
    border-radius: 0px 2px 2px 0px;
}
.pass_event{
    position: relative;
}

.free_trial_btn_wrap{
    display: flex;
    align-items: center;
    position: relative;
    height: 100%;
}

.free_trial_btn_wrap:hover .arrow{
    transform: rotate(180deg);
}


.free_trial_btn{
    display: flex;
    align-items: center;
    justify-content: center;
    width: 140px;
    height: 40px;
    background: #006666;
    border-radius: 99px;

}

.free_trial_btn span{
    font-weight: 400;
    font-size: 16px;
    color: #FFFFFF;
    font-family: Microsoft YaHei;
}

.free_trial_btn img{
    width: 14px;
    height: 14px;
    margin-left: 6px;
}

.free_trial_btn .arrow_img{
    display: flex;
    align-items: center;
    justify-content: center;
}

.free_trial_item_btn img{
    display: none;
}
.free_trial_nav .free_trial_item:hover .free_trial_item_btn{
    background: #006666;
    width: 82px;
    color: #FFFFFF;
}

.free_trial_nav .free_trial_item:hover .free_trial_item_btn img{
    display: block;
    width: 16px;
    height: 12px;
}


.free_trial_nav_wrap{
    position: absolute;
    top: 96px;
    right: 0;
    width: 657px;
    height: 0;
    /* border-top: 1px solid #006666; */
    transition: all .3s;
    padding: 0;
    opacity: 0;
    visibility: hidden;
    cursor: default;
    background-color: #fff;
    overflow: hidden;
    font-family: Microsoft YaHei;
    border-radius: 0px 0px 3px 3px;
}

.free_trial_nav{
    padding: 8px 0;
}

.free_trial_nav .free_trial_item{
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 54px;

}

.free_trial_nav .free_trial_item:hover{
    background: #F3F4F6;
    cursor: pointer;
}

.free_trial_item_content{
    display: flex;
    align-items: center;

}

.free_trial_item_content .icon_img{
    width: 40px;
    height: 40px;
    margin-right: 16px;
}

.free_trial_item_content .free_trial_item_title{
    font-size: 16px;
    color: #111111;
}

.free_trial_nav .free_trial_item:hover .free_trial_item_title{
    color: #006666;
}

.free_trial_item_desc{
    font-size: 12px;
    color: #666666;
    line-height: 20px;
}

.free_trial_nav .free_trial_item:hover .free_trial_item_desc{
    color: #000000;
}

.free_trial_item_btn{
    display: flex;
    align-items: center;
    justify-content: center;
    width: 69px;
    height: 30px;
    border-radius: 50px;
    border: 1px solid #006666;
    font-weight: 400;
    font-size: 14px;
    color: #006666;
}

.free_trial_nav_wrap.active{
    height: auto;
    opacity: 1;
    visibility: visible;
}

.new_nav_bar{
    position: absolute;
    height: 0;
    transition: all .3s;
    padding: 0;
    opacity: 0;
    visibility: hidden;
    cursor: default;
    background-color: #fff;
    overflow: hidden;
    border-radius: 0px 0px 3px 3px;
}

.new_nav_bar.product_list_box{
    position: fixed;
    left: 0;
    top: 96px;
    width: 100vw;
    height: 0;
    /* border-top: 1px solid #006666; */
    transition: all .3s ease-out;
    /* padding: 0; */
    opacity: 0;
    visibility: hidden;
}

.new_nav_bar.product_list_box.active{
    height: auto;
    opacity: 1;
    visibility: visible;
}


.nav_product_list_wrap{
    display: flex;
    padding: 40px 0;
    margin: 0 auto;
}

.nav_product_list{
    width: 260px;
    margin-right: 54px;
}

.nav_product_list:last-child{
    margin-right: 0;
}

.nav_product_list .nav_product_list_title{
    font-family: Microsoft YaHei;
    font-weight: 400;
    font-size: 16px;
    color: #000;
    line-height: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid #D8D8D8;
}

.nav_product_list .nav_product_list_content{
    width: 100%;
    margin-top: 24px;
}

.nav_product_list .nav_product_list_item{
    display: flex;
    align-items: center;
    width: 100%;
    padding: 14px;
    cursor: pointer;
    margin-bottom: 24px;
}

.nav_product_list .nav_product_list_item:last-child{
    margin-bottom: 0;
}

.nav_product_list .nav_product_list_item:hover{
    background: #F6F6F6;
    border-radius: 4px 4px 4px 4px;
}

.nav_product_list_item .icon_img{
    width: 40px;
    height: 40px;
}

.nav_product_list_item .item_content{
    font-family: Microsoft YaHei;
    margin-left: 8px;
    font-weight: 400;
    font-size: 16px;
    color: #000;
    line-height: 24px;
}

.nav_product_list_item .item_content_desc{
    font-size: 12px;
    color: #666666;
    line-height: 20px;
}


.new_nav_bar.new_nav_bar_solution{
    width: 224px;
}

.new_nav_bar.new_nav_bar_service,
.new_nav_bar.new_nav_bar_understand{
    width: 180px;
}

.new_nav_bar.new_nav_bar_solution,
.new_nav_bar.new_nav_bar_service,
.new_nav_bar.new_nav_bar_understand{
    position: absolute;
    left: -50%;
    top: 96px;
    height: 0;
    /* border-top: 1px solid #006666; */
    transition: all .3s ease-out;
    opacity: 0;
    visibility: hidden;
}

.new_nav_bar.new_nav_bar_solution.active,
.new_nav_bar.new_nav_bar_service.active,
.new_nav_bar.new_nav_bar_understand.active{
    height: auto;
    opacity: 1;
    visibility: visible;
}



.item_short{
    display: flex;
    justify-content: center;
    width: 100%;
    padding: 16px 0;
    background: #FFFFFF;
    font-size: 16px;
    color: #000000;
    cursor: pointer;
}

.item_short:hover{
    background: #F3F4F6;
    color: #006666;
}