.banner {
    width: 100%;
    position: relative;
    overflow: hidden;
}
.banner .banner_bg {
    width: 100%;
}
.banner .banner_bg1 {
    position: absolute;
    top: 0;
    right: -25px;
    width: 69%;
    z-index: 3;
    -webkit-animation: banner 10s infinite;
    animation: banner 10s infinite;
}
.banner .banner_bg2 {
    position: absolute;
    top: -20px;
    right: 0;
    width: 70%;
    -webkit-animation: banner 5s infinite;
    animation: banner 5s infinite;
}
@keyframes banner {
    0% {
        -webkit-transform: scale(1);
        transform: scale(1);
    }
    30% {
        -webkit-transform: scale(1.05);
        transform: scale(1.05);
    }
    55% {
        width: 65%;
        -webkit-transform: scale(1.05) translateX(20px);
        transform: scale(1.05) translateX(20px);
    }
    80% {
        -webkit-transform: scale(1.05) translateX(-20px);
        transform: scale(1.05) translateX(-20px);
    }
    100% {
        -webkit-transform: translateX(0px) scale(1);
        transform: translateX(0px) scale(1);
    }
}
.banner .banner-info {
    position: absolute;
    top: 50%;
    transform:translateY(-50%);
    left: 13%;
    color: #fff;
}
.banner .banner-info .banner-tit {
    font-size: 72px;
    padding-bottom: 10px;
    border-bottom: 1px solid #f2f2f2;
    margin-bottom: 10px;
}
.banner .banner-info .banner-text {
    font-size: 12px;
    text-align: right;
    text-transform: uppercase;
    letter-spacing: 4px;
}
.banner .banner-info .banner-cricle {
    position: absolute;
    bottom: -13px;
    left: 50%;
    margin-left: 45px;
    z-index: -1;
}
.banner .banner-con{
    position: absolute;
    right: 13%;
    z-index: 4;
    top: 50%;
    transform: translateY(-50%);
    color: #fff;
    max-width: 470px;
}
.banner .banner-con .title{
    font-size: 36px;
}
.banner .banner-con .sub-tit{
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 4px;
    margin-bottom: 20px;
}
.banner .banner-con .text{
    font-size: 16px;
    line-height: 2;
    margin-bottom: 20px;
}
.banner .banner-con .text2{
    font-size: 14px;
    line-height: 2;
}
.banner .banner-cricle2 {
    position: absolute;
    left:13%;
    bottom: 20px;
    opacity: 0.6;
}
.banner .banner-cricle2 i {
    font-size: 30px;
    color: #fff;
    margin-left: 1px;
}
.banner .banner-cricle2::after {
    content: "";
    display: block;
    position: absolute;
    left: 50%;
    top: -20px;
    width: 2px;
    height: 30px;
    background: #fff;
    -webkit-animation: circle 6s infinite;
    animation: circle 6s infinite;
}
@keyframes circle {
    50% {
        -webkit-transform: translateY(15px);
        transform: translateY(15px);
    }
    100% {
        -webkit-transform: translateY(0px);
        transform: translateY(0px);
    }
}
@media only all and (max-width: 1366px) {
    .banner .banner-info .banner-tit {
        font-size: 60px;
    }
    .banner .banner-info .banner-cricle{
        margin-left: 7px;
    }
}
@media only all and (max-width: 1024px){
    .banner .banner-info .banner-tit {
        font-size: 50px;
    }
    .banner .banner-info .banner-cricle{
        margin-left: -14px;
    }
    .banner .banner-con .title{
        font-size: 30px;
    }
    .banner .banner-con .sub-tit{
        font-size:14px;
    }
    .banner .banner-con .text{
        font-size: 14px;
    }
    .banner .banner-con{
        right:8%;
    }
}
@media only all and (max-width:768px){
    .banner .banner-info{
        left: 5%;
    }
    .banner .banner-con{
        max-width:40%;
    }
}
@media only all and (max-width:414px){
    .banner .banner-con{
        display: none;
    }
    .banner .banner_bg{
        height: 100%;
    }
    .banner .banner-info .banner-tit {
        font-size: 36px
    }
    .banner .banner-info .banner-cricle {
        margin-left: -40px;
        width: 24%;
    }
    .banner .banner-cricle2 {
        position: absolute;
        left: 50%;
        bottom: 10px;
    }
    .banner .banner_bg {
        height: 240px;
    }
    .banner .banner-cricle2 {
        bottom: 10px;
    }
    .banner .banner-cricle2::after {
        height: 25px;
        top: -10px;
    }
    .banner .banner-cricle2 img {
        width: 20px;
    }
    @keyframes banner {
        0% {
            -webkit-transform: scale(1);
            transform: scale(1);
        }
        30% {
            -webkit-transform: scale(1.12);
            transform: scale(1.12);
        }
        55% {
            width: 65%;
            -webkit-transform: scale(1.12) translateX(10px);
            transform: scale(1.12) translateX(10px);
        }
        80% {
            -webkit-transform: scale(1.12) translateX(-10px);
            transform: scale(1.12) translateX(-10px);
        }
        100% {
            -webkit-transform: translateX(0px) scale(1);
            transform: translateX(0px) scale(1);
        }
    }
}
@media only all and (max-width:320px) {
    .banner .banner_bg {
        height: 210px;
    }
    @keyframes banner {
        0% {
            -webkit-transform: scale(1);
            transform: scale(1);
        }
        30% {
            -webkit-transform: scale(1.12);
            transform: scale(1.12);
        }
        55% {
            width: 65%;
            -webkit-transform: scale(1.12) translateX(10px);
            transform: scale(1.12) translateX(10px);
        }
        80% {
            -webkit-transform: scale(1.12) translateX(-10px);
            transform: scale(1.12) translateX(-10px);
        }
        100% {
            -webkit-transform: translateX(0px) scale(1);
            transform: translateX(0px) scale(1);
        }
    }
}



.history{
    width: 100%;
    position: relative;
}
.history .about_bg1{
    width: 100%;
    max-width: 100%;
}
.history .history-con{
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
    color: #fff;
}
.history .history-con .img_bg{
    margin-left: -100px;
}
.history .history-con .title{
    font-size: 36px;
    /* margin-bottom: 60px; */
}
.history .history-con .history_left{
    float: left;
    width: 50%;
    position: relative;
}
.history .history-con .history_left .img1{
    position: absolute;
    top: 58px;
    left: 236px;
}
.history .history-con .history_left .img2{
    position: absolute;
    left: 69px;
    top: 50%;
}
.history .history-con .history_right{
    width: 50%;
    float: right;
    margin-top: 200px;
}
.history .history-con .text{
    display: inline-block;
    font-size: 14px;
    width: 39%;
    vertical-align: middle;
}
.history .history-con .text2{
    width: 50%;
    vertical-align: text-top;
    margin-left:60px;
}
.target{
    width: 100%;
    position: relative;
    background-image: url(../iamges/about/about_bg3.png);
    background-repeat: no-repeat;
    background-size: 100% 100%;
    height: 960px;
    padding: 80px 0px;
}
.target .title{
    font-size: 36px;
    color: #333;
    margin-bottom: 20px;
}
.target .tab-tit{
    text-align: right;
}
.target .tab-tit .item{
    display: inline-block;
    font-size: 30px;
    color: #666;
    margin-right: 40px;
    border-bottom: 1px solid transparent;
    cursor: pointer;
}
.target .tab-tit .item:last-child{
    margin-right: 0;
}
.target .tab-tit .item.active{
    color:#2765b0;
    padding-bottom: 10px;
    border-bottom-color: #2765b0;
}
.target .tab-con{
    width: 100%;
}
.target .tab-con .item{
    display: none;
    position: relative;
}
.target .tab-con .item.active{
    display: block;
}
.target .tab-con .times{
    font-size: 140px;
    color: #fff;
    font-weight: bold;
}
.target .tab-con .item-con{
    margin-top: -70px;
    text-align: right;
}
.target .tab-con .item-con .item_img{
    width: 57%;
}
.target .tab-con .item-con .tab-info{
    width: 47%;
    background: #fff;
    position: absolute;
    bottom: -50px;
    left: 0;
    z-index: 2;
    text-align: center;
    padding: 60px 0px;
}
.target .tab-con .item-con .tab-info .text{
    font-size: 16px;
    color: #2765b0;
    margin: 10px 0px;
}
.target .tab-con .item-con .tab-info .sub-tit{
    font-size: 30px;
    color: #333;
    margin-bottom: 20px;
}
.target .tab-con .item-con .tab-info .text2{
    color: #666;
    font-size: 16px;
    line-height: 2;
}
.target .tab-con .item-con .tab-info img:hover{
    transform: translate(-5px,-5px);
    transition: all 0.4s;
}
.about3{
    width: 100%;
    height: 930px;
    position: relative;
}
.about3 .tab_bg{
    position: absolute;
    left:0;
    top: 0;
    width: 100%;
    z-index: -1;
    height: 100%;
    opacity: 0;
}
.about3 .tab_bg.active{
    opacity: 1;
}
.about3 .tab_tit2{
    width: 24%;
    display: inline-block;
    margin-top: 200px;
}
.about3 .tab_tit2 .item{
    color: #fff;
    opacity: 0.6;
    font-size: 30px;
    line-height: 2;
    margin-bottom: 60px;
    padding-bottom: 20spx;
    border-bottom: 1px solid transparent;
    cursor: pointer;
}
.about3 .tab_tit2 .item.active{
    opacity: 1;
    border-bottom-color: rgba(255, 255, 255, 0.8);
}
.about3 .tab_con2{
    display: inline-block;
    width: 26%;
    margin-left: 400px;
    vertical-align: middle;
}
.about3 .tab_con2 .item{
    font-size: 14px;
    color: #fff;
    line-height: 2;
    display: none;
}
.about3 .tab_con2 .item.active{
    display: block;
}
@media only all and (max-width:1440px){
    .target .tab-con .item-con .tab-info{
        bottom: -70px;
        padding: 40px 0px;
    }
}
@media only all and (max-width:1280px){
    .history .history-con .text2{
        margin-left:45px ;
    }
    .history .history-con .img_bg{
        margin-left: -60px;
        max-width: 100%;
    }
    .history .history-con .history_left .img1 {
        top: 30px;
        left: 160px;
        width: 33%;
    }
    .history .history-con .history_left .img2 {
        left: 57px;
        width: 30%;
    }
    .history .history-con .history_right{
        margin-top: 128px;
    }
}
@media only all and (max-width:1024px){
    .history .history-con .title{
        font-size: 30px;
    }
    .history .about_bg1{
        height: 600px;
    }
    .target .title{
        font-size: 30px;
    }
    .history .history-con .title{
        font-size: 30px;
    }
    .target .tab-tit .item{
        font-size: 24px;
    }
    .target .tab-con .times{
        font-size: 120px;
    }
    .target .tab-con .item-con{
        margin-top:-55px;
    }
    .target .tab-con .item-con .tab-info{
        width: 50%;
        bottom: -140px;
    }
    .target .tab-con .item-con .tab-info .sub-tit{
        font-size: 24px;
    }
    .target .tab-con .item-con .tab-info .text2{
        font-size: 14px;
    }
    .about3 .tab_tit2{
        width: 40%;
    }
    .about3 .tab_tit2 .item{
        font-size: 24px;
    }
    .about3 .tab_con2{
        width: 30%;
        margin-left: 150px;
    }
}
@media only all and (max-width:768px){
    .history .about_bg1{
        height: 600px;
    }
    .history .history-con .text{
        width:100%
    }
    .history .history-con .text2{
        width: 100%;
        margin-left: 0;
        margin-top: 15px;
    }
    .history .history-con .history_right{
        margin-top: 100px;
    }
    .history .history-con .img_bg{
        margin-left: -24px;
    }
    .target .tab-con .item-con .tab-info {
        width: 60%;
        bottom: -186px;
    }
    .about3{
        height:660px;
    }
    .about3 .tab_tit2{
        margin-top: 150px;
    }
    .about3 .tab_tit2 .item {
        font-size: 20px;
    }
    .about3 .tab_con2 {
        width: 50%;
        margin-left: 40px;
    }
    .target{
        height: 850px;
    }
}
@media only all and (max-width:414px){
    .about3 .tab_tit2{
        margin-top:60px;
        width: 100%;
    }
    .about3 .tab_tit2 .item{
        font-size: 18px;
        margin-bottom: 20px;
    }
    .about3 .tab_con2{
        margin-left: 0;
        width: 100%;
    }
    .about3{
        height: auto;
        padding-bottom: 60px;
    }
    .target .tab-con .times{
        font-size: 60px;
    }
    .target .tab-con .item-con .tab-info{
        width:90%;
        padding: 20px 10px;
        bottom: auto;
        top: 260px;
        left: 5%;
    }
    .target .tab-con .item-con .item_img{
        width: 100%;
        margin-bottom: 20px;
    }
    .target .tab-con .item-con{
        margin-top: 0;
    }
    .history .history-con .history_left{
        width: 100%;
        float: none;
    }
    .history .history-con .history_right{
        width:100%;
        float: none;
        margin-top: 20px;
    }
    .history .history-con{
        position: static;
        transform: none;
        padding: 40px 20px;
    }
    .history .about_bg1{
        position: absolute;
        left: 0;
        top: 0;
        width:100%;
        height: 100%;
        z-index: -1;
    }
    .history .history-con .img_bg{
        margin-left: 0;
        height: 220px;
        width: 100%;
    }
    .history .history-con .history_left .img1 {
        left: 190px;
        top: 20px;
        width: 29%;
    }
    .target{
        padding:60px 0px;
    }
    .history .history-con .history_left .img2{
        width: 24%;
        left: 100px;
    }
}
@media only all and (max-width:375px){
    .history .history-con .history_left .img1 {
        left: auto;
        right: 22%;
        top: 20px;
        width: 26%;
    }
    .history .history-con .history_left .img2 {
        left: 28%;
        top: 49%;
        width: 23%;
    }
    .history .history-con .img_bg{
        height: 180px;
    }
    .about3 .tab_con2 .item{
        line-height: 1.8;
    }
}   
@media only all and (max-width:320px) {
    .history .history-con .history_left .img1 {
        right: 23%;
        top: 15px;
    }
    .history .history-con .history_left .img2 {
        left: 29%;
        top: 51%;
        width: 22%;
    }
    .history .history-con .img_bg {
        height: 160px;
    }
    .target .tab-con .times{
        font-size: 50px;
    }
    .target .tab-con .item-con .tab-info{
        top: 210px;
    }
    .target {
        height: 800px;
    }
    .about3 .tab_tit2{
        margin-top: 30px;
    }
    .about3 .tab_tit2 .item{
        font-size: 16px;
    }
    .about3 .tab_con2 .item {
        font-size: 13px;
    }
}