.center_1 {
    background: url(../img/about_top1_bg.png) no-repeat center;
    background-size: cover;
    position: relative;
}

.center_1>div {
    width: 100%;
    height: auto;
    position: absolute;
    top: 35%;
    left: 0;
    line-height: 3.5vw;
}

.center_1>div>h3 {
    font-size: 0.5rem;
    color: #fff;
    text-align: center;
}

.center_1>div>p {
    color: #fff;
    font-size: 0.20rem;
    text-align: center;
}

/* ********************************center_2************** */
.center_2 {
    position: relative;
    background-color: #fff;
    background-image: url(../img/ab_gsjj.png);
    background-size: cover;
    background-repeat: no-repeat;
}

.center_2>.center_2_lf {
    width: 40%;
    height: auto;
    position: absolute;
    top: 12%;
    left: 8%;
}

.center_2>.center_2_lf>h2 {
    font-size: 0.6rem;
    color: #fff;
}

.center_2>.center_2_lf>p {
    font-size: 0.24rem;
    color: #E2E2E4;
    margin-bottom: 15%;
}

.center_2>.center_2_lf>ul {
    width: 100%;
    line-height: 1.5vw;
    margin-bottom: 5%;
}

.center_2>.center_2_lf>ul>li {
    font-size: 0.16rem;
    color: #fff;
}

.center_2>.center_2_rt {
    width: 53%;
    height: 80%;
    position: absolute;
    right: 5%;
    bottom: 0;
}

.center_2>.center_2_rt>img {
    width: 100%;
    height: 100%;
    z-index: 1;
}

.center_2>.center_2_rt>img:last-child {
    width: 45.5%;
    position: absolute;
    top: 67.4%;
    left: 28%;
    z-index: 10;
    height: 16.2%;
    z-index: 20;
}

.center_2>.center_2_rt>video {
    position: absolute;
    width: 34%;
    height: 34.5%;
    top: 51.5%;
    left: 39%;
    z-index: 5;
}

.center_2>.center_2_rt>span {
    position: absolute;
    width: 10%;
    top: 64%;
    left: 52%;
    z-index: 10;
}

.center_2>.center_2_rt>span>img {
    width: 100%;
    position: absolute;
    display: none;
    z-index: 10;
}

.center_2>.center_2_rt>span>img.active {
    display: block;
}

/* ***********************center_3********************* */
.center_3 {
    padding: 4% 8% 0 8%;
    position: relative;
    background: url(../img/ab_3_bg.png) no-repeat center center;
    background-size: cover;
}

.center_3>h2 {
    font-size: 0.6rem;
    color: #2B2E3D;
}

.center_3>p {
    font-size: 0.24rem;
    color: #E0E0E2;
}

.center_3>div {
    width: 80%;
    height: 20%;
    margin: 3% auto;
    /* padding-top: 5%; */
    background-color: #fff;
    box-shadow: 0px 0px 10px 0px darkgrey;
}

.center_3>div>span {
    width: 22%;
    height: 60%;
    margin: 0 auto;
    padding-top: 2.5%;
    display: block;
    z-index: 10;
}

.center_3>div>span>img {
    width: 100%;
    display: block;
    /* height: 100%; */
    /* box-shadow: 0px 0px 10px 0px darkgrey; */
}

.center_3>ul {
    width: 80%;
    margin: 0 auto;
    height: 41%;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.center_3>ul>li {
    width: 32%;
    height: 100%;
    padding: 10% 0 0 20%;
    line-height: 2vw;
    position: relative;
    box-shadow: 0px 0px 10px 0px darkgrey;
    padding: 5% 0 0 5%;
    background-color: #fff;
}

.center_3>ul>li:first-child {
    border-bottom-left-radius: 20%;
}

.center_3>ul>li:last-child {
    border-bottom-right-radius: 20%;
}

.center_3>ul>li>span {
    width: 30%;
    display: inline-block;
    height: 30%;
}

.center_3>ul>li>span>img {
    width: 100%;
}

.center_3>ul>li:first-child {
    /* width: 49%; */
    /* padding: 5% 0 0 10%; */
    /* background: url(../img/ab_3_2.png) no-repeat center; */
    /* background-size: cover; */
}

.center_3>ul>li:last-child {
    /* width: 45%; */
    /* padding: 5% 0 0 10%; */
    /* background: url(../img/ab_3_3.png) no-repeat center; */
    /* background-size: cover; */
}

.center_3>ul>li>h3 {
    font-size: 0.3rem;
    display: inline-block;
    top: 25%;
    margin-left: 5%;
    /* position: absolute; */
}

.center_3>ul>li>p>b {
    font-size: 0.18rem;
    font-size: 0.35rem;
    font-weight: 600;
}

.center_3>ul>li>h3 {
    font-size: 0.3rem;
    display: inline-block;
}

.center_3>ul>li>p {
    font-size: 0.16rem;
    text-align: left;
}

/* ****************************top_4********************** */
.center_4 {
    position: relative;
    padding-top: 6%;
    background: url(../img/ab_fzlc.png) no-repeat center;
    background-size: cover;
}

.center_4>h2 {
    font-size: 0.6rem;
    margin-left: 11%;
    color: #fff;
}

.center_4>p {
    font-size: 0.24rem;
    color: #686A84;
    margin-left: 11%;
}

.center_4>span {
    width: 50px;
    height: 50px;
    display: block;
    position: absolute;
    border-radius: 50%;
    transition: 0.5s;
    top: 45%;
    background: url(../img/left.png) no-repeat center #333;
    cursor: pointer;
    z-index: 20;
}

.center_4>span.lf {
    left: 5%;
}

.center_4>span.rt {
    right: 5%;
    transform: rotate(180deg);
    background-position: 40% 50%;
}

.center_4>span:hover {
    background-color: #F06E1B;
}

.center_4>div {
    width: 80%;
    position: absolute;
    top: 34%;
    left: 10%;
    height: 50%;
    overflow: hidden;
}

.center_4>div>ul {
    width: 200%;
    height: 100%;
    color: #fff;
    margin-left: 1%;
    transform: translateX(-34%);
    transition: 1.5s;
    -webkit-transition: 1.5s;
    -moz-transition: 1.5s;
    -ms-transition: 1.5s;
    -o-transition: 1.5s;
    -webkit-transform: translateX(-34%);
    -moz-transform: translateX(-34%);
    -ms-transform: translateX(-34%);
    -o-transform: translateX(-34%);
}

.center_4>div>ul>li {
    float: left;
    height: 100%;
    width: 17%;
}

.center_4>div>ul>li>p {
    font-size: 0.35rem;
}

.center_4>div>ul>li>p:nth-child(2) {
    font-size: 0.2rem;
}

.center_4>div>ul>li>p>b {
    font-family: "PANGMENZHENGDAOBIAOTITI-1";
}

.center_4>div>ul>li>p>q {}

.center_4>div>ul>li>p:nth-child(2)>b {
    transform: translateY(-40%);
    display: inline-block;
    font-weight: 600;
}

.center_4>div>ul>li>.big_ld {
    width: 50px;
    height: 50px;
    position: relative;
    border-radius: 50%;
    background-color: #fff;
    margin: 1% 0;
}

.center_4>div>ul>li>.big_ld>span {
    display: block;
    width: 20%;
    height: 0%;
    position: absolute;
    bottom: -100%;
    /* border-radius: 10px; */
    left: 42%;
    background-color: #EF6D28;
    transition: 1.5s;
    -webkit-transition: 1.5s;
    -moz-transition: 1.5s;
    -ms-transition: 1.5s;
    -o-transition: 1.5s;
}

.center_4>div>ul>li>.big_ld>div {
    width: 15px;
    height: 15px;
    position: absolute;
    top: 36%;
    left: 36%;
    background-color: #a6aaad;
}

.center_4>div>ul>li>ul {
    margin-top: 15%;
    line-height: 1.5vw;
    transition: 1.5s;
    -webkit-transition: 1.5s;
    -moz-transition: 1.5s;
    -ms-transition: 1.5s;
    -o-transition: 1.5s;
}

.center_4>div>ul>li>ul>li {
    font-size: 0.16rem;
    line-height: 1vw;
}

.center_4>div>ul>li>ul>li>b {
    font-size: 0.28rem;
}

.center_4>div>ul>li.active {}

.center_4>div>ul>li.active>ul {
    margin-top: 15%;
}

.center_4>div>ul>li.active>p {
    color: #F06E1B;
}

.center_4>div>ul>li.active>p:nth-child(2) {
    color: #fff;
}

.center_4>div>ul>li.active>ul>li>b {
    color: #F06E1B;
}

.center_4>div>ul>li.active>.big_ld {}

.center_4>div>ul>li.active>.big_ld>div {
    background-color: #EF6D28;
}

.center_4>div>ul>li.active>.big_ld>span {
    height: 100%;
}

/* ***************************center5******************** */
.center_5 {
    padding: 6% 0 0 8%;
    position: relative;
}

.center_5>h2 {
    font-size: 0.6rem;
    color: #2B2E3D;
}

.center_5>p {
    font-size: 0.24rem;
    color: #E0E0E2;
}

.center_5>ul {
    width: 90%;
    height: 68%;
    margin-top: 4%;
}

.center_5>ul>li {
    width: 33.3%;
    height: 50%;
    float: left;
    position: relative;
    z-index: 10;
    overflow: hidden;
}

.center_5>ul>li:nth-child(1):hover>img,
.center_5>ul>li:nth-child(3):hover>img,
.center_5>ul>li:nth-child(5):hover>img {
    transform: scale(1.3);
    -webkit-transform: scale(1.3);
    -moz-transform: scale(1.3);
    -ms-transform: scale(1.3);
    -o-transform: scale(1.3);
}

.center_5>ul>li>img {
    height: 100%;
    width: 100%;
    position: absolute;
    z-index: 1;
    transition: 1.5s;
    -webkit-transition: 1.5s;
    -moz-transition: 1.5s;
    -ms-transition: 1.5s;
    -o-transition: 1.5s;
}

.center_5>ul>li>span {
    display: block;
    width: 50px;
    height: 50px;
    position: absolute;
    top: 25%;
    left: 10%;
    z-index: 20;
}

.center_5>ul>li>span>img {
    width: 100%;
}

.center_5>ul>li>b {
    font-size: 0.24rem;
    color: #fff;
    position: absolute;
    z-index: 20;
    left: 10%;
    top: 10%;
}

.center_5>ul>li>h4 {
    position: absolute;
    z-index: 20;
    color: #fff;
    font-size: 0.34rem;
    top: 20%;
    left: 10%;
}

.center_5>ul>li>p {
    font-size: 0.16rem;
    position: absolute;
    bottom: 30%;
    z-index: 20;
    width: 90%;
    color: #fff;
    left: 10%;
}

/* **********************************center_6************ */
.center_6 {
    padding: 6% 0 0 8%;
    position: relative;
    background: url(../img/ab_zzry_bg.png) center center;
    background-size: cover;
    overflow: hidden;
}

.center_6>h2 {
    font-size: 0.6rem;
    color: #2B2E3D;
}

.center_6>p {
    font-size: 0.24rem;
    color: #E0E0E2;
}

/* .center_6>div {
    width: 100%;
    height: 80%;
    overflow: hidden;
}

.center_6>div>ul {
    width: 100%;
    height: 100%;
    padding-top: 5%;
    position: relative;
    left: 5%;
}

.center_6>div>ul>li {
    width: 15%;
    height: auto;
    z-index: 15;
    position: absolute;
    transition: 1.5s;
    top: 20%;
    background-color: #fff;
    border: 1px solid lightgray;
    -webkit-transition: 1.5s;
    -moz-transition: 1.5s;
    -ms-transition: 1.5s;
    -o-transition: 1.5s;
}

.center_6>div>ul>li.on {
    z-index: 20;
    left: 30%;
    top: 10%;
    width: 20%;
    box-shadow: 0px 0px 10px 0px darkgrey;
}

.center_6>div>ul>li.on>img {
    left: 5%;
}

.center_6>div>ul>li:first-child {
    width: 10%;
    top: 30%;
    z-index: 10;
}

.center_6>div>ul>li:last-child {
    width: 10%;
    top: 30%;
    z-index: 10;
}

.center_6>div>ul>li>img {
    width: 100%;
}

.center_6>div>span {
    display: block;
    width: 50px;
    height: 50px;
    position: absolute;
    top: 55%;
    -webkit-border-radius: 50%;
    -moz-border-radius: 50%;
    -ms-border-radius: 50%;
    -o-border-radius: 50%;
    border-radius: 50%;
    -webkit-transition: 0.5s;
    -moz-transition: 0.5s;
    -ms-transition: 0.5s;
    -o-transition: 0.5s;
    transition: 0.5s;
    background: url(../img/left.png) no-repeat center #333;
}

.center_6>div>.lf {
    left: 5%;
}

.center_6>div>.rt {
    right: 5%;
    transform: rotate(180deg);
    background-position: 40% 50%;
}

.center_6>div>span:hover {
    background-color: #F06E1B;
}

.center_6>div>ul>li.active {
    width: 20%;
    top: 10%;
    z-index: 20;
    box-shadow: 0px 0px 10px 0px darkgrey;
} */
.wrap {
    position: relative;
    width: 100%;
    height: 600px;
    margin: 0 auto;
}

.content {
    position: relative;
    width: 63%;
    height: 100%;
    margin: 0 auto;
}

.content li {
    position: absolute;
    background-size: 100% 100%;
    cursor: pointer;
}

.wrap a {
    position: absolute;
    z-index: 99;
    top: 45%;
    display: block;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    transition: 0.5s;
    background: url(../img/left.png) no-repeat center #333;
}

.wrap a:hover {
    background-color: #F06E1B;
}

.prev {
    left: 5%;
}

.next {
    right: 10%;
    transform: rotate(180deg);
    background-position: 40% 50%;
}

/* *********************************center_7************** */
.center_7 {
    padding: 6% 0 0 8%;
    position: relative;
}

.center_7>h2 {
    font-size: 0.6rem;
    color: #2B2E3D;
}

.center_7>p {
    font-size: 0.24rem;
    color: #E0E0E2;
}

.center_7>div {
    width: 100%;
    height: 80%;
    display: flex;
    justify-content: space-between;
    margin-top: 3%;
}

.center_7>div>ul {
    width: 25%;
    height: 80%;
    display: flex;
    flex-direction: column;
    justify-content: start;
}

.center_7>div>ul>li {
    width: 100%;
    height: 24%;
    border-top: 1px solid darkgray;
    padding-top: 6%;
    cursor: pointer;
}

.center_7>div>ul>li>i {
    float: left;
    width: 15px;
    height: 20px;
    margin-top: 1%;
    display: block;
    background: url(../img/ab_ic_0.png) no-repeat center;
    background-size: cover;
}

.center_7>div>ul>li>div {
    width: 80%;
    height: 100%;
    float: left;
    margin-left: 2%;
}

.center_7>div>ul>li>div>p {
    font-size: 0.16rem;
    color: #666;
}

.center_7>div>ul>li>div>p:nth-child(1) {
    font-size: 0.20rem;
    color: #333;
}

.center_7>div>ul>.active>i {
    background: url(../img/ab_ic_1.png) no-repeat center;
    background-size: cover;
}

.center_7>div>ul>.active>div>p:nth-child(1) {
    color: #EF6D28;
}

.center_7>div>div {
    width: 65%;
    height: 100%;
    position: relative;
    font-size: 16px;
}

.center_7>div>div>div {
    width: 100%;
    position: absolute;
    opacity: 0;
    transition: 1.5s;
    -webkit-transition: 1.5s;
    -moz-transition: 1.5s;
    -ms-transition: 1.5s;
    -o-transition: 1.5s;
    z-index: 1;
}

.center_7>div>div>div>img {
    max-width: 100%;
}

.center_7>div>div>div.active {
    opacity: 1;
    z-index: 10;
}

.tiao {
    right: 2%;
}



@media screen and (max-width: 1600px) {
    .center_2>.center_2_rt>img:last-child {
        top: 52%;
    }

    .center_4>div>ul>li.active>ul {
        margin-top: 12%;
    }

    .center_4>div>ul>li>ul {
        margin-top: 12%;
    }

    .content {
        width: 80%;
    }
}

@media screen and (max-width: 1600px) and (max-height:850px) {
    .center_2>.center_2_rt>img:last-child {
        top: 67.5%;
    }
}

@media screen and (max-width: 1440px) and (max-height:740px) {
    element.style {
        height: 800px !important;
    }
}

@media screen and (max-width: 1440px) and (max-height:900px) {
    .center_2>.center_2_rt>img:last-child {
        top: 47%;
    }

    .content {
        width: 88%;
    }

    .center_2>.center_2_rt>video {
        /* top: 34.5%; */
    }

    .center_2>.center_2_rt>span {
        /* top: 43%; */
    }

    .wrap a {
        top: 35%;
    }

    .next {
        right: 15%;
    }
}

@media screen and (max-width: 1440px) and (max-height:850px) {
    .center_2>.center_2_rt>img:last-child {
        top: 67.4%;
    }

    .center_2>.center_2_rt {
        height: 80%;
    }

    .center_2>.center_2_rt>video {
        top: 51.5%;
    }

    .center_2>.center_2_rt>span {
        top: 62%;
    }

    .center_4>div {
        top: 35.5%;
    }

    .center_6>div>span {
        top: 50%;
    }

    .center_7>div>ul {
        width: 25%;
        height: 60%;
    }
}

@media screen and (max-width: 1440px) and (max-height:757px) {
    .center_2>.center_2_rt>img:last-child {
        top: 67.3%;
    }
}

@media screen and (max-width: 1440px) and (max-height:720px) {
    .center_4>div {
        top: 33.5%;
    }

    .center_6>div>span {
        top: 54%;
    }

    .center_7>div>ul {
        height: 80%;
    }
}

@media screen and (max-width: 1280px) {
    .content {
        width: 95%;
    }

    .wrap a {
        top: 35%;
    }

    .prev {
        left: 2%;
    }

    .center_2>.center_2_rt>video {
        top: 51.5%;
    }

    .center_2>.center_2_rt>span {
        top: 64%;
    }
}

@media screen and (max-width: 1280px) and (max-height:740px) {
    element.style {
        height: 800px !important;
    }
}

@media screen and (max-width: 1280px) and (max-height:768px) {
    .center_2>.center_2_rt>img:last-child {
        top: 67.5%;
    }

    .center_4>div>ul>li.active>.big_ld>span {
        height: 90%;
    }

    .center_4>div>ul>li>.big_ld>span {
        bottom: -90%;
    }
}

@media screen and (max-width: 1280px) and (max-height:740px) {
    .center_4>div>ul>li>ul>li {
        font-size: 0.16rem;
        line-height: 1.2vw;
    }

    .center_5>ul>li>p {
        width: 80%;
        bottom: 25%;
    }

    .center_5>ul>li>span>img {
        display: block;
    }

    .center_5>ul>li>span {
        top: 36%;
    }

    .center_7>div>ul>li>div {
        width: 90%;
    }
}

@media screen and (max-width: 1280px) and (max-height:600px) {
    .center_2>.center_2_rt>img:last-child {
        top: 67.5%;
    }

    .center_2>.center_2_rt>video {
        top: 49.5%;
    }

    .center_2>.center_2_rt>span {
        top: 60%;
    }

    .center_4>div>ul {
        margin-top: 0%;
    }

    .center_4>div>ul>li.active>.big_ld>span {
        height: 90%;
    }

    .center_4>div>ul>li>.big_ld>span {
        bottom: -90%;
    }

    .center_5>ul>li>span {
        width: 35px;
        height: 35px;
        top: 20%;
    }
}

@media screen and (max-width: 450px) {

    .footer>.main>.ft_right>.ft_rt_one>p,
    .footer>.main>.ft_left>.ft_rt_two>p,
    .footer>.main>.ft_left>.ft_rt_three>p,
    .footer>.main>.ft_left>.ft_rt_three>p:first-child {
        font-size: 0.2rem !important;
    }

    .center_7>div {
        flex-direction: column;
    }

    .center_7>div>ul {
        width: 95% !important;
        height: 90%;
    }

    .center_2>.center_2_rt>img:last-child {
        top: 62.5%;
    }

    .center_3 {
        height: auto !important;
    }

    .center_3>ul {
        width: 100%;
    }

    .center_3>ul>li {
        width: 100%;
        height: 32%;
        margin: 0 auto;
        margin-bottom: 10%;
        line-height: 2vw;
        padding: 5% 0% 15% 10%;
    }

    .center_3>ul>li>p {
        font-size: 14px;
        line-height: 7vw;
    }

    .center_3>ul>li>h3 {
        font-size: 18px;
        line-height: 50px;
    }

    .center_3>ul>li:last-child>h3 {
        transform: translateY(-10px);
        -webkit-transform: translateY(-10px);
        -moz-transform: translateY(-10px);
        -ms-transform: translateY(-10px);
        -o-transform: translateY(-10px);
    }

    .center_3>div {
        width: 100%;
        height: 10%;
        margin: 3% auto;
        background-color: #fff;
    }

    .center_3>ul {
        width: 100%;
    }

    .center_3>div>span {
        padding-bottom: 4%;
    }

    .center_3>ul>li:last-child {
        margin-bottom: 25%;
        padding-left: 5%;
        padding-right: 5%;
    }

    .wrap a {
        width: 40px;
        height: 40px;
        top: 50%;
    }
}

@media screen and (max-width:736px) and (max-height:815px) {
    .center_5>ul>li>span {
        top: 17%;
    }
}

@media screen and (max-width:736px) and (max-height:670px) {
    .center_5>ul>li>span {
        top: 33%;
    }
}
@media screen and (max-width:540px){
    .center_7>div>div>div {
        transform: translateY(100px);
        -webkit-transform: translateY(100px);
        -moz-transform: translateY(100px);
        -ms-transform: translateY(100px);
        -o-transform: translateY(100px);
}
}