.top_1 {
    overflow: hidden;
    position: relative;
    background: url(../img/zxy_top1_bg.png) no-repeat center center;
    background-size: cover;
}

.top_1>.lf {
    position: absolute;
    width: 40%;
    z-index: 20;
    top: 26%;
    left: 21%;
    line-height: 2.5vw;
}

.top_1>.lf>h3 {
    font-size: 0.5rem;
    color: #fff;
}

.top_1>.lf>b {
    font-size: 0.5rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 7%;
    display: inline-block;
}

.top_1>.lf>ul {
    width: 70%;
    height: 20%;
    margin-top: 10%;
}

.top_1>.lf>ul>li {
    width: 35%;
    margin-right: 5%;
    padding: 1.3% 0;
    text-align: center;
    font-size: 0.2rem;
    float: left;
    border-radius: 25px;
    background-color: #2E3142;
    color: #fff;
    margin-bottom: 5%;
}

.top_1>.lf>ul>li>span {
    display: block;
    float: left;
    width: 20%;
    height: 100%;
    margin: 2% 8% 0 15%;
}

.top_1>.lf>ul>li>span>img {
    display: block;
    height: 100%;
}

.top_1>.lf>ul>li>p {
    text-align: left;
    line-height: 1.8vw;
}

/* ***************************top2********************** */
.top_2 {
    overflow: hidden;
    position: relative;
    background: url(../img/zxy_top2_bg.png) no-repeat center center;
    background-size: cover;
}

.top_2>.lf {
    width: 70%;
    height: 100%;
    margin: 0 auto;
    position: relative;
}

.top_2>.lf>img:nth-child(1) {
    width: 20%;
    position: absolute;
    bottom: 0;
    right: 5%;
}

.top_2>.lf>img:nth-child(2) {
    width: 17%;
    position: absolute;
    bottom: 0%;
    left: 35%;
}

.top_2>.lf>img:nth-child(3) {
    width: 24%;
    position: absolute;
    top: 37%;
    right: 19%;
    transition: 1s;
    -webkit-transition: 1s;
    -moz-transition: 1s;
    -ms-transition: 1s;
    -o-transition: 1s;
    transition-delay: 1s;
    opacity: 0;
}

.active>.lf>img:nth-child(3) {
    opacity: 1;
}

.top_2>.lf>img:nth-child(4) {
    width: 15%;
    position: absolute;
    top: 25%;
    left: 50%;
    transition: 1s;
    -webkit-transition: 1s;
    -moz-transition: 1s;
    -ms-transition: 1s;
    -o-transition: 1s;
    transition-delay: 2s;
    opacity: 0;
}

.active>.lf>img:nth-child(4) {
    opacity: 1;
}

.top_2>.rt {
    position: absolute;
    top: 25%;
    right: 5%;
    width: 20%;
    z-index: 20;
}

.top_2>.rt>h3 {
    font-size: 0.5rem;
    color: #fff;
    margin-bottom: 9%;
}

.top_2>.rt>h3>b {
    font-size: 0.5rem;
    color: #fff;
    background-color: #F16E1B;
    font-weight: 600;
    padding: 4% 6%;
    margin-left: 0%;
}

.top_2>.rt>p {
    font-size: 0.16rem;
    color: #fff;
    line-height: 2vw;
}

.top_2>.rt>ul {
    width: 80%;
    margin-top: 13%;
}

.top_2>.rt>ul>li {
    overflow: hidden;
    width: 22%;
    float: left;
    transition: 2.5s;
    -webkit-transition: 2.5s;
    border-radius: 10px;
    -moz-transition: 2.5s;
    -ms-transition: 2.5s;
    -o-transition: 2.5s;
    background-color: #2B2E3D;
    padding: 5% 0;
    margin-right: 10%;
}

.top_2>.rt>ul>li>img {
    width: 60%;
    display: block;
    margin: auto;
}

/* ***************************top3********************** */
.top_3 {
    overflow: hidden;
    position: relative;
    background: url(../img/zxy_top3_bg.png) no-repeat;
    background-size: cover;
}

.top_3>.lf {
    width: 40%;
    position: absolute;
    top: 30%;
    left: 9%;
    z-index: 20;
}

.top_3>.lf>h3 {
    font-size: 0.5rem;
    color: #2b2e3d;
    margin-bottom: 7%;
}

.top_3>.lf>h3>b {
    font-size: 0.5rem;
    background-color: #2B2E3D;
    color: #F16E1B;
    font-weight: 600;
    padding: 1.5% 2.5%;
    margin-right: 2%;
}

.top_3>.lf>p {
    font-size: 0.16rem;
    color: #333;
    line-height: 2vw;
}

.top_3>.lf>ul {
    width: 25%;
    height: 20%;
    margin-top: 12%;
}

.top_3>.lf>ul>li {
    width: 100%;
    margin-right: 5%;
    padding: 5% 0;
    text-align: center;
    font-size: 0.2rem;
    float: left;
    border-radius: 25px;
    background-color: #2E3142;
    color: #fff;
    margin-bottom: 10%;
}

.top_3>.lf>ul>li>span {
    display: block;
    float: left;
    margin: 1% 5% 0 13%;
    width: 20%;
    height: 100%;
}

.top_3>.lf>ul>li>span>img {
    display: block;
    height: 100%;
}

.top_3>.lf>ul>li>p {
    text-align: left;
}

.top_3>.top_3_rt {
    width: 12%;
    position: absolute;
    top: 7%;
    right: 16%;
    height: 46%;
    /* opacity: 0; */
}

.top_3>.top_3_rt>ul {
    width: 100%;
    height: 100%;
    position: relative;
}

.top_3>.top_3_rt>ul>li {
    border-radius: 50%;
    -webkit-border-radius: 50%;
    -moz-border-radius: 50%;
    -ms-border-radius: 50%;
    -o-border-radius: 50%;
    background-color: #2B2E3D;
    position: absolute;
}

.top_3>.top_3_rt>ul>li:first-child {
    width: 6%;
    height: 3%;
    top: 0%;
    left: 23%;
}

.top_3>.top_3_rt>ul>li:nth-child(2) {
    width: 4%;
    height: 2%;
    top: 26%;
    left: 5%;
}

.top_3>.top_3_rt>ul>li:nth-child(3) {
    width: 6%;
    height: 3%;
    top: 39%;
    left: 32%;
}

.top_3>.top_3_rt>ul>li:nth-child(4) {
    width: 4%;
    height: 2%;
    top: 40%;
    left: 78%;
}

.top_3>.top_3_rt>ul>li:nth-child(5) {
    width: 4%;
    height: 2%;
    top: 65%;
    left: 5%;
}

.top_3>.top_3_rt>ul>li:nth-child(6) {
    width: 4%;
    height: 2%;
    top: 65%;
    left: 72%;
}

.top_3>.top_3_rt>ul>li:nth-child(7) {
    width: 6%;
    height: 3%;
    bottom: 19%;
    left: 41%;
}

.top_3>.top_3_rt>ul>li:last-child {
    width: 4%;
    height: 2%;
    bottom: 3%;
    left: 55%;
}

.active>.top_3_rt>ul>li {
    opacity: 1;
    animation-name: xfangda;
    animation-delay: 1s;
    animation-duration: 1.5s;
    animation-direction: alternate;
    animation-iteration-count: infinite;
}

/* ***************************top4********************** */
.top_4 {
    overflow: hidden;
    position: relative;
    background: url(../img/zxy_top4_bg.png) no-repeat center center;
    background-size: cover;
}

.top_4>.top4_lf {
    width: 70%;
    margin: 0 auto;
    position: relative;
    height: 100%;
}

.top_4>.top4_lf>img:nth-child(1) {
    width: 17.5%;
    position: absolute;
    left: 0;
    bottom: 0%;
}

.top_4>.top4_lf>img:nth-child(2) {
    width: 18%;
    position: absolute;
    top: 40%;
    left: 20%;
    opacity: 0;
    transition: 1s;
    -webkit-transition: 1s;
    -moz-transition: 1s;
    -ms-transition: 1s;
    -o-transition: 1s;
    transition-delay: 1s;
}

.active>.top4_lf>img:nth-child(2) {
    opacity: 1;
}

.top_4>.top4_lf>img:nth-child(3) {
    width: 22%;
    top: 48%;
    position: absolute;
    left: 20%;
    opacity: 0;
    transition: 1s;
    -webkit-transition: 1s;
    -moz-transition: 1s;
    -ms-transition: 1s;
    -o-transition: 2s;
    transition-delay: 2s;
}

.active>.top4_lf>img:nth-child(3) {
    opacity: 1;
}

.top_4>.rt {
    position: absolute;
    top: 37%;
    right: 7%;
    width: 20%;
    z-index: 20;
}

.top_4>.rt>h3 {
    font-size: 0.5rem;
    color: #fff;
    margin-bottom: 9%;
    margin-left: 5%;
}

.top_4>.rt>h3>b {
    font-size: 0.5rem;
    color: #fff;
    background-color: #F16E1B;
    font-weight: 600;
    padding: 4% 6%;
    margin-left: 0%;
}

.top_4>.rt>ul {
    width: 100%;
    display: flex;
    justify-content: space-between;
    height: 20%;
    margin-top: 20%;
}

.top_4>.rt>ul>li {
    width: 33%;
    height: 100%;
    position: relative;
}

.top_4>.rt>ul>li>span {
    display: block;
    width: 40%;
    margin: 0 auto;
    height: 64px;
}

.top_4>.rt>ul>li:first-child>span {
    width: 30%;
}

.top_4>.rt>ul>li>span>img {
    width: 100%;
    display: block;
}

.top_4>.rt>ul>li>p {
    font-size: 0.18rem;
    text-align: center;
    color: #fff;
}

.top_4>.rt>ul>li>i {
    display: block;
    width: 2%;
    background-color: #F16E1B;
    height: 45%;
    position: absolute;
    right: 1%;
    top: 10%;
}

/* ***************************top5********************** */
.top_5 {
    overflow: hidden;
    position: relative;
    background: url(../img/zxy_top5_bg.png) no-repeat center center;
    background-size: cover;

}

.top_5>.lf {
    width: 40%;
    position: absolute;
    top: 30%;
    left: 9%;
    z-index: 1;
}

.top_5>.lf>h3 {
    font-size: 0.5rem;
    color: #2b2e3d;
    margin-bottom: 7%;
}

.top_5>.lf>h3>b {
    font-size: 0.5rem;
    background-color: #2B2E3D;
    color: #F16E1B;
    font-weight: 600;
    padding: 1.5% 2.5%;
    margin-right: 2%;
}

.top_5>.lf>p {
    font-size: 0.16rem;
    color: #333;
    line-height: 2vw;
}

.top_5>.lf>ul {
    width: 25%;
    height: 20%;
    margin-top: 7%;
}

.top_5>.lf>ul>li {
    width: 100%;
    margin-right: 5%;
    padding: 5% 0;
    text-align: center;
    font-size: 0.2rem;
    float: left;
    border-radius: 25px;
    background-color: #2E3142;
    color: #fff;
    margin-bottom: 10%;
}

.top_5>.mid {
    width: 60%;
    margin: 0 auto;
    position: relative;
    height: 100%;
    z-index: 10;
}

.top_5>.mid>img:nth-child(1) {
    width: 25%;
    position: absolute;
    top: 18%;
    right: 10%;
}

.top_5>.mid>img:nth-child(2) {
    width: 27%;
    position: absolute;
    top: 10%;
    left: 15%;
}

.top_5>.mid>img:nth-child(3) {
    width: 22%;
    position: absolute;
    top: 20%;
    left: 42%;
    opacity: 0;
    transition: 1s;
    -webkit-transition: 1s;
    -moz-transition: 1s;
    -ms-transition: 1s;
    -o-transition: 1s;
    transition-delay: 1s;
}

.active>.mid>img:nth-child(3) {
    opacity: 1;
}

.top_5>.mid>img:nth-child(4) {
    width: 29%;
    position: absolute;
    top: 28%;
    left: 42%;
    opacity: 0;
    transition: 1s;
    -webkit-transition: 1s;
    -moz-transition: 1s;
    -ms-transition: 1s;
    -o-transition: 1s;
    transition-delay: 2s;
}

.active>.mid>img:nth-child(4) {
    opacity: 1;
}

.top_7 .active>img {
    opacity: 1;
    animation: none;
    -webkit-animation: none;
}

@media screen and (max-width:1600px) and (max-height:850px) {
    .top_3>.top_3_rt {
        top: 6%;
        height: 43%;
    }
}

@media screen and (max-width:1440px) {
    .top_3>.top_3_rt {
        height: 42%;
    }
}

@media screen and (max-width:1440px) and (max-height:850px) {
    .top_2>.lf>img:nth-child(4) {
        top: 30%;
    }
    
    .top_3>.top_3_rt {
        height: 40%;
        right: 12%;
        top: 6%;
    }
}
@media screen and (max-width:1440px) and (max-height:780px) {
    .top_3>.top_3_rt {
        height: 42%;
        right: 16%;
        top: 6%;
    }
}

@media screen and (max-width:1440px) and (max-height:757px) {
    .top_3>.top_3_rt {
        height: 43%;
        right: 16%;
        top: 6%;
    }
}
@media screen and (max-width:1440px) and (max-height:720px) {
    .top_3>.top_3_rt {
        height: 47%;
    }
}

@media screen and (max-width:1280px) and (max-height:768px) {
    .top_3>.top_3_rt {
        height: 46%;
    }

    .top_3>.lf>ul>li>p {
        line-height: 2vw;
    }
}

@media screen and (max-width: 1280px) and (max-height: 760px) {
    .top_3>.top_3_rt {
        height: 40%;
        right: 12%;
    }
}
@media screen and (max-width: 1280px) and (max-height: 740px) {
    .top_3>.top_3_rt {
        height: 40%;
        right: 14%;
    }
}
@media screen and (max-width: 1280px) and (max-height: 730px) {
    .top_3>.top_3_rt {
        height: 40%;
        right: 15%;
    }
}
@media screen and (max-width: 1280px) and (max-height: 725px) {
    .top_3>.top_3_rt {
        height: 40%;
        right: 16%;
    }
}

@media screen and (max-width:1280px) and (max-height:600px) {
    .top_3>.top_3_rt {
        height: 50%;
    }
}

@media screen and (max-width:1024px) {

    .top_1>.lf>ul>li>p,
    .top_3>.lf>ul>li>p {
        line-height: 2.5vw;
        text-align: center;
    }

    .top_3>img {
        top: 5%;
    }

    .top_3 {
        background-size: cover;
    }

    .top_3>img {
        width: 11.5%;
        top: 6%;
        right: 3%;
    }

    .top_4>.rt>ul>li>i {
        height: 20%;
    }

    .top_4>.top4_lf>img:nth-child(2) {
        top: 50%;
    }

    .top_4>.top4_lf>img:nth-child(3) {
        top: 58%;
    }
}

@media screen and (max-width:768px) {
    .top_1>.lf {
        width: 60%;
    }

    .top_1>.lf>ul>li>p,
    .top_3>.lf>ul>li>p {
        line-height: 3vw;
        text-align: center;
    }

    .top_2>.lf>img:nth-child(3) {
        top: 55%;
    }

    .top_2>.lf>img:nth-child(4) {
        top: 63%;
    }

    .top_3>.lf>ul {
        width: 40%;
    }

    .top_4>.rt>ul>li>span {
        height: 34px;
    }

    .top_5>.mid>img:nth-child(1) {
        top: 35%;
        right: 5%;
    }

    .top_5>.mid>img:nth-child(2) {
        top: 27%;
        left: 18%;
    }

    .top_5>.mid>img:nth-child(3) {
        top: 33%;
        left: 48%;
    }

    .top_5>.mid>img:nth-child(4) {
        top: 41%;
        left: 48%;
    }
}

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

    .top_1>.lf,
    .top_2>.rt,
    .top_3>.lf,
    .top_4>.rt,
    .top_5>.lf {
        width: 80%;
        top: 10%;
        left: 10%;
        line-height: 5.5vw;
    }

    .top_1>.lf>h3,
    .top_2>.rt>h3,
    .top_2>.rt>h3>b,
    .top_3>.lf>h3,
    .top_3>.lf>h3>b,
    .top_4>.rt>h3,
    .top_4>.rt>h3>b,
    .top_5>.lf>h3,
    .top_5>.lf>h3>b {
        font-size: 22px;
    }

    .top_1>.lf>b {
        font-size: 22px;
        margin-top: 3%;
    }

    .top_1>.lf>ul {
        width: 100%;
    }

    .top_1>.lf>ul>li>p,
    .top_3>.lf>ul>li>p {
        line-height: 7vw;
        text-align: center;
    }

    .top_1>.lf>ul>li>span {
        margin: 2% 5% 0 8%;
    }

    .top_2>.rt>p {
        line-height: 5vw;
        font-size: 0.7rem;
    }

    .top_2>.lf {
        width: 100%;
        height: 100%;
        top: 15%;
        left: 7.5%;
    }
    .top_2>.rt>h3,.top_2>.rt>p {
        color: #333;
    }
    .top_2>.lf>img:nth-child(1) {
        width: 35%;
        bottom: 10%;
        right: 10%;
        height: 42%;
    }

    .top_2>.lf>img:nth-child(2) {
        width: 25%;
        bottom: 10%;
        left: 3%;
        height: 45%;
    }

    .top_2>.lf>img:nth-child(3) {
        top: 30%;
        width: 60%;
        right: 28%;
    }

    .top_2>.lf>img:nth-child(4) {
        top: 35%;
        left: 25%;
        width: 37%;
    }

    .top_3>.lf>ul>li {
        width: 45%;
        margin-right: 5%;
        padding: 3% 0;
    }

    .top_3>.lf>p,
    .top_1>.lf>ul>li>p,
    .top_5>.lf>p,
    .top_3>.lf>ul>li>p {
        font-size: 0.7rem;
    }

    .top_3 {
        overflow: hidden;
        position: relative;
        background: url(../img/zxy_top3_bg.png) no-repeat 28% 100%;
        background-size: cover;
    }

    .top_3>.top_3_rt {
        display: none;
    }

    .top_3>.lf>ul,
    .top_5>.lf>ul {
        width: 100%;
    }

    .top_3>.lf>ul {
        margin-top: 5%;
    }

    .top_5>.lf>ul>li {
        width: 30%;
        margin-right: 2%;
        padding: 3% 0;
        font-size: 0.7rem;
    }

    .top_4>.rt>ul>li>p {
        font-size: 14px;
    }

    .active>img:nth-child(2) {
        top: 59%;
        left: 66%;
        width: 13%;
    }

    .top_4>.rt>ul>li>i {
        height: 60%;
    }

    .top_4>.top4_lf>img:nth-child(1) {
        width: 50%;
    }

    .top_4>.top4_lf>img:nth-child(2) {
        top: 50%;
        left: 40%;
        width: 68%;
    }

    .top_4>.top4_lf>img:nth-child(3) {
        top: 58%;
        width: 70%;
        left: 41%;
    }

    .top_5 {
        background: url(../img/zxy_top5_bg.png) no-repeat center center !important;
    }

    .top_5>.mid {
        width: 100%;
        margin: 0 auto;
        position: relative;
        height: 50%;
        top: 35%;
        z-index: 1;
    }

    .top_5>.mid>img:nth-child(1) {
        top: 35%;
        right: 7%;
        width: 35%;
    }

    .top_5>.mid>img:nth-child(2) {
        top: 27%;
        left: 10%;
        width: 37%;
    }

    .top_5>.mid>img:nth-child(3) {
        top: 5%;
        width: 45%;
        left: 30%;
    }

    .top_5>.mid>img:nth-child(4) {
        top: 16%;
        width: 55%;
        left: 20%;
    }
}
@media screen and (max-width:736px) and (max-height:815px) {
    .top_2>.lf>img:nth-child(1) {
        width: 40%;
    }
    .top_2>.lf>img:nth-child(2) {
        width: 30%;
    }
}
@media screen and (max-width:736px) and (max-height:670px){
    .top_2>.lf>img:nth-child(1) {
        width: 35%;
        bottom: 10%;
        right: 10%;
        height: 42%;
    }
    .top_2>.lf>img:nth-child(2) {
        width: 25%;
        bottom: 10%;
        left: 3%;
        height: 45%;
    }
}
@media screen and (max-width:540px){
     .top_4>.rt {
        top: 10% !important;
    }
}