@media screen and (max-width: 1440px){
.qdhz_2, .qdhz_3 {
    min-height: 800px;
    max-height: 800px;
}
}

@media screen and (max-width: 540px){
.qdhz_2, .qdhz_3 {
height:500px;
    min-height: 500px;
    max-height: 500px;
}
}

/* ******************************qdhz4********************* */
.qdhz_4 {
    width: 100%;
    height: 70%;
    position: relative;
    background-color: #E4E9ED;

}

.qdhz_4>h3 {
    font-size: 39px;
    text-align: center;
    color: #333;
    padding: 2.5% 0;
}

.qdhz_4>ul {
    //width: 100%;
    height: 44%;
    display: flex;
    justify-content: space-between;
overflow:hidden;
padding: 30px 50px 0px 50px;

}

.qdhz_4>ul>li {
    width: 145px;
    height: 145px;
border-radius:50%;
    background-color: #EFF3F6;
    position: relative;
    transition: .7s;
    -webkit-transition: .7s;
    -moz-transition: .7s;
    -ms-transition: .7s;
    -o-transition: .7s;
    cursor: pointer;
}

.qdhz_4>ul>li:hover {
    color: #fff;
    background-color: #2E3142;
    transform: translateY(-10%);
    -webkit-transform: translateY(-10%);
    -moz-transform: translateY(-10%);
    -ms-transform: translateY(-10%);
    -o-transform: translateY(-10%);
}

.qdhz_4>ul>li:not(:last-child)::after {
    content: "\e60f";
    font-family: 'iconfont'; 
    position: absolute;
    top: 50%;
    right: -23%;
    font-size: 23px;
}


.qdhz_4>ul>li>span {
    display: block;
    width: 36px;
    height: 36px;
    margin: 0 auto;
    margin-top: 25%;
    position: relative;
}

.qdhz_4>ul>li>span>img {
    position: absolute;
    top: 0%;
    left: 0%;
    opacity: 0;
    display: block;
    width: 100%;
}

.qdhz_4>ul>li>span>img:first-child {
    opacity: 1;
}

.qdhz_4>ul>li:hover>span>img:first-child {
    opacity: 0;
}

.qdhz_4>ul>li:hover>span>img:last-child {
    opacity: 1;
}

.qdhz_4>ul>li>p {
    font-size: 16px;
    text-align: center;
    margin-top: 12%;
}

.qdhz_4>ul>li>b {
    font-weight: 600;
    color: #C0CBD1;
    display: block;
    height: 50px;
    font-size: 36px;
    text-align: center;
}

.qdhz_4>ul>li:hover>b {
    color: #828596;
}


@media screen and (max-width:1280px) and (max-height:600px){

    .qdhz_4 {
        height: 80%;
    }
}
@media screen and (max-width:1024px) {
    .qdhz_4 {
        height: 30%;
    }
}

@media screen and (max-width:1280px) and (max-height:768px) {

    .qdhz_4 {
        height: 60%;
    }

}

@media screen and (max-width:540px) {
    .qdhz_4 {
        height: 100%;
    }

    .qdhz_4>ul {
        width: 100%;
        height: 100%;
        display: flex;
flex-wrap:wrap;
justify-content: space-between;
    }

    .qdhz_4>ul>li {
        width: 24%;
        margin-right: 3px;
        margin-bottom: 10%;
        height: 34%;
        background-color: #EFF3F6;
        border-radius: 20px;
        position: relative;
        overflow: hidden;
        transition: .5s;
        -webkit-transition: .5s;
        -moz-transition: .5s;
        -ms-transition: .5s;
        -o-transition: .5s;
        cursor: pointer;
        float: left;
    }

.qdhz_4>ul>li:not(:last-child)::after {
    content: "";
display:none;
}

    .qdhz_4>ul>li:hover {
        height: 34%;
        transform: none;
        -webkit-transform: none;
        -moz-transform: none;
        -ms-transform: none;
        -o-transform: none;
    }
    .qdhz_4>ul>li>p {
        font-size: 14px;
    }
    .qdhz_4>ul>li>b {
        bottom: -30%;
        left: 15%;
    }
}


@media screen and (max-width:768px) {

    .qdhz_4>ul {
        width: 100%;
    }

    .qdhz_4 {
        height: 35%;
    }

    .top_9 {
        height: 512px;
    }
}


@media screen and (max-width:736px) and (max-height:815px) {
    .qdhz_4>ul>li>b {
        bottom: -20%;
    }
}
@media screen and (max-width:736px) and (max-height:670px){


    .qdhz_4>ul>li>b {
        bottom: -30%;
    }
}