.txt_none{
    display: none;
}
.active{
    display: inline-block;
}
/*轮播图 start*/
/*轮播图 end*/
/*活跃度 start*/
#activation{
    width: 100%;
    margin: 50px auto;
}
#activation .activation_box{
    width: 1200px;
    margin: 0 auto;
}
#activation .activation_title{
    text-align: center;
}
#activation .activation_title h3{
    font-size: 32px;
    font-weight: normal;
    color: #2e2e2e;
}
#activation .activation_title p{
    font-size: 18px;
    margin-top: 10px;
    color: #666666;
}
#activation .activation_div{
    display: flex;
    justify-content: space-around;
    margin-top: 40px;
}
#activation .activation_div .activation_item{
    position: relative;
    width: 170px;
    height: 170px;
    background-image: linear-gradient(0deg,#209cff 1%,#68e0cf 100%);
    border-radius: 50%;
}
#activation .activation_div .activation_item:hover{
    animation: flow 1s linear infinite;
    -webkit-animation: flow 1s linear infinite; /* Safari 与 Chrome */
    box-shadow: 0 0 10px;
}
#activation .activation_div .activation_item:hover span{
    animation: sf 1s linear infinite;
    -webkit-animation: sf 1s linear infinite; /* Safari 与 Chrome */
}
#activation .activation_div .activation_item:after{
    content: '';
    display: block;
    position: absolute;
    top: 3px;
    left: 3px;
    background: #fff;
    width: 164px;
    height:164px;
    border-radius: 50%;
}
#activation .activation_div .activation_item span{
    position: absolute;
    left: 0;
    right: 0;
    text-align: center;
    z-index:1;
    transition: .5s;
}
#activation .activation_div .activation_item .num{
    font-size: 52px;
    top: 20%;
}
#activation .activation_div .activation_item .p_num{
    font-size: 18px;
    top: 60%;
}
/*活跃度 end*/
/*优势 start*/
#highlight{
    width: 100%;
    margin: 50px auto;
    background: #f4f4f4;
}
#highlight .highlight_box{
    width: 1200px;
    margin: 0 auto;
    padding-top: 50px;
    padding-bottom: 50px;
}
#highlight .highlight_title{
    text-align: center;
}
#highlight .highlight_title h3{
    font-size: 32px;
    font-weight: normal;
    color: #2e2e2e;
}
#highlight .highlight_div{
    display: flex;
    justify-content: space-around;
    margin-top: 40px;
}
#highlight .highlight_div .highlight_item{
    width: 23%;
    background: #fff;
}
#highlight .highlight_div .highlight_item:hover{
    box-shadow: 0px 6px 8px 0px
    rgba(0, 0, 0, 0.08);
}
#highlight .highlight_div .highlight_item .highlight_img{
    position: relative;
    width: 100%;
    height:160px;
}
#highlight .highlight_div .highlight_item:nth-child(1) .highlight_img{
    background: url('../../images/youshi_1.png') no-repeat;
}
#highlight .highlight_div .highlight_item:nth-child(2) .highlight_img{
    background: url('../../images/youshi_2.png') no-repeat;
}
#highlight .highlight_div .highlight_item:nth-child(3) .highlight_img{
    background: url('../../images/youshi_3.png') no-repeat;
}
#highlight .highlight_div .highlight_item:nth-child(4) .highlight_img{
    background: url('../../images/youshi_4.png') no-repeat;
}
#highlight .highlight_div .highlight_item .highlight_img>p{
    position: absolute;
    bottom: 20px;
    left: 0;
    right: 0;
    margin: 0 auto;
    text-align: center;
    font-size: 18px;
    color: #fff;
}
#highlight .highlight_div .highlight_item .highlight_item_text{
    padding: 18px;
    font-size: 14px;
    color: #666;
    line-height: 24px;
}
/*优势 end*/
/*能力 start*/
#ability{
    width: 100%;
    margin: 50px auto;
}
#ability .ability_box{
    width:1200px;
    margin: 0 auto;
}
#ability .ability_title{
    text-align: center;
}
#ability .ability_title h3{
    font-size: 32px;
    font-weight: normal;
    color: #2e2e2e;
}
#ability .ability_div{
    display: flex;
    justify-content: space-around;
    margin-top: 40px;
}
#ability .ability_div .ability_item{
    padding: 10px 30px;
    text-align: center;
    width: 230px;
    height: 240px;
    box-shadow: 0px 2px 6px 0px rgba(0, 0, 0, 0.1);
}
#ability .ability_div .ability_item:hover{
    box-shadow: 0px 2px 12px 0px rgba(0, 0, 0, 0.16);
}
#ability .ability_div .ability_item img{

}
#ability .ability_div .ability_item .title{
    color: #2e2e2e;
    font-size: 18px;
    margin-top: 5px;
}
#ability .ability_div .ability_item .desc{
    font-size: 14px;
    color: #666;
}
/*能力 end*/
/*理由 start*/
#reason{
    width: 100%;
    margin: 50px auto;
    background-image: linear-gradient(-270deg,#007aff 0%,#00b9ff 100%);
}
#reason .reason_box{
    width: 1200px;
    margin: 0 auto;
    padding: 50px;
}
#reason .reason_title{
    text-align: center;
}
#reason .reason_title h3{
    font-size: 32px;
    font-weight: normal;
    color: #fff;
}
#reason .reason_div{
    display: flex;
    justify-content: space-around;
    margin-top: 40px;
}
#reason .reason_div .reason_item{
    position: relative;
}
#reason .reason_div .reason_item:after{
    content: '';
    display: block;
    background: url('../../images/qiu.png') no-repeat;
    width: 300px;
    height: 300px;
}
#reason .reason_div .reason_item p{
    position: absolute;
    color: #fff;
    text-align: center;
    left: 0;
    right: 0;
}
#reason .reason_div .reason_item .title{
    font-size: 30px;
    top: 35%;
}
#reason .reason_div .reason_item .desc{
    font-size: 18px;
    top: 50%;
}
/*理由 end*/
/*案例 start*/
#case{
    width: 100%;
    margin: 50px auto;
}
#case .case_box{
    width: 1200px;
    margin: 0 auto;
}
#case .case_title{
    text-align: center;
}
#case .case_title h3{
    font-size: 32px;
    font-weight: normal;
    color: #2e2e2e;
}
#case .case_div{
    display: flex;
    justify-content: space-around;
    margin-top: 40px;
    flex-wrap: wrap;
}
#case .case_div .case_item{
    width: 22%;
    margin-bottom: 30px;
    position: relative;
    overflow: hidden;
}
#case .case_div .case_item .main{
    width: 100%;
}
#case .case_div .case_item:hover .case_hover{
    transform: translateY(0);
}
#case .case_div .case_item .case_hover{
    position: absolute;
    background: rgba(0,0,0,.5);
    width: 91%;
    height: 80%;
    top: 38px;
    left: 0;
    right: 0;
    margin: 0 auto;
    text-align: center;
    transition: 1s;
    transform: translateY(115%);
}
#case .case_div .case_item .case_hover>img{
    width: 150px;
    margin-top: 30%;
}
#case .case_div .case_item .case_hover>div{
    width: 125px;
    background: #01A1FF;
    height: 36px;
    line-height: 36px;
    color: #fff;
    margin: 30px auto;
    border-radius: 4px;
}
#case .case_div .case_item .case_hover>div:hover{
    cursor: pointer;
}
#case .case_div .case_item .case_hover>div>img{
    margin-right: 5px;
}
/*案例 end*/
@keyframes flow
{
    0% {
        background-image: linear-gradient(0deg,#209cff 1%,#68e0cf 100%);
    }
    30% {
        background-image: linear-gradient(90deg,#209cff 1%,#68e0cf 100%);
    }
    60% {
        background-image: linear-gradient(180deg,#209cff 1%,#68e0cf 100%);
    }
    100% {
        background-image: linear-gradient(270deg,#209cff 1%,#68e0cf 100%);
    }
}

@-webkit-keyframes flow /* Safari 与 Chrome */
{
    0% {
        background-image: linear-gradient(0deg,#209cff 1%,#68e0cf 100%);
    }
    30% {
        background-image: linear-gradient(90deg,#209cff 1%,#68e0cf 100%);
    }
    60% {
        background-image: linear-gradient(180deg,#209cff 1%,#68e0cf 100%);
    }
    100% {
        background-image: linear-gradient(270deg,#209cff 1%,#68e0cf 100%);
    }
}
@keyframes sf
{
    0% {

    }
    50% {
        transform: scale(0.8);
        opacity: .5;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}