#service_flowsheet {
    position: relative;
    width: 1200px;
    height: 700px;
    /* background: url(../images/liucehngtu_4.png); */
    background-size: cover;
    margin: 0 auto;
    margin-top: 100px;
}

#service_flowsheet ul {
    width: 800px;
    height: 150px;
    margin: 0 auto;
    margin-top: 65px;
}

#service_flowsheet ul li {
    float: left;
    padding: 2px 5px;
    background: #fff;
    font-size: 14px;
    color: blue;
    font-weight: bold;
    border-radius: 3px;
    opacity: 0.7;
}

#service_flowsheet ul.fuwu_1 li:nth-child(1) {
    position: absolute;
    margin-top: 80px;
    margin-left: 5px;
}

#service_flowsheet ul.fuwu_1 li:nth-child(2) {
    position: absolute;
    margin-top: 70px;
    margin-left: 110px;
}

#service_flowsheet ul.fuwu_1 li:nth-child(3) {
    position: absolute;
    margin-top: 105px;
    margin-left: 190px;
}

#service_flowsheet ul.fuwu_1 li:nth-child(4) {
    position: absolute;
    margin-top: 50px;
    margin-left: 360px;
}

#service_flowsheet ul.fuwu_1 li:nth-child(5) {
    position: absolute;
    margin-top: 100px;
    margin-left: 400px;
}

#service_flowsheet ul.fuwu_1 li:nth-child(6) {
    position: absolute;
    margin-top: 60px;
    margin-left: 500px;
}

#service_flowsheet ul.fuwu_1 li:nth-child(7) {
    position: absolute;
    margin-top: 80px;
    margin-left: 560px;
}

#service_flowsheet ul.fuwu_1 li:nth-child(8) {
    position: absolute;
    margin-top: 70px;
    margin-left: 650px;
}

#service_flowsheet ul.fuwu_1 li:nth-child(9) {
    position: absolute;
    margin-top: 141px;
    margin-left: 750px;
    background: url(../images/kuang_1.png);
    width: 150px;
    height: 70px;
    line-height: 95px;
    text-align: center;
    color: #fff;
}

#service_flowsheet ul.fuwu_2 li {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    padding: 5px;
    line-height: 30px;
    text-align: center;
    font-size: 12px;
}

#service_flowsheet ul.fuwu_2 li:nth-child(1) {
    position: absolute;
    margin-top: 10px;
    margin-left: 40px;
    line-height: 15px;
}

#service_flowsheet ul.fuwu_2 li:nth-child(2) {
    position: absolute;
    margin-top: 20px;
    margin-left: 200px;
}

#service_flowsheet ul.fuwu_2 li:nth-child(3) {
    position: absolute;
    margin-top: 20px;
    margin-left: 260px;
}

#service_flowsheet ul.fuwu_2 li:nth-child(4) {
    position: absolute;
    margin-top: 10px;
    margin-left: 410px;
    line-height: 15px;
}

#service_flowsheet ul.fuwu_2 li:nth-child(5) {
    position: absolute;
    margin-top: 10px;
    margin-left: 490px;
    line-height: 15px;
}

#service_flowsheet ul.fuwu_2 li:nth-child(6) {
    position: absolute;
    margin-top: 30px;
    margin-left: 660px;
    line-height: 15px;
}

#service_flowsheet ul.fuwu_2 li:nth-child(7) {
    position: absolute;
    margin-top: 80px;
    margin-left: 750px;
    background: url(../images/kuang_2.png);
    position: absolute;
    width: 150px;
    height: 66px;
    line-height: 95px;
    text-align: center;
    color: #fff;
    border-radius: 0;
}

#service_flowsheet ul.fuwu_2 li:nth-child(8) {
    position: absolute;
    margin-top: 50px;
    margin-left: 120px;
}

#service_flowsheet ul.fuwu_2 li:nth-child(9) {
    position: absolute;
    margin-top: 50px;
    margin-left: 290px;
    width: 95px;
    height: 35px;
    line-height: 35px;
}

#service_flowsheet ul.fuwu_2 li:nth-child(10) {
    position: absolute;
    margin-top: 60px;
    margin-left: 490px;
}

#service_flowsheet ul.fuwu_2 li:nth-child(11) {
    position: absolute;
    margin-top: 50px;
    margin-left: 610px;
}

#service_flowsheet ul.fuwu_3 {
    margin-top: 30px;
}


/* #service_flowsheet ul.fuwu_3 li:nth-child(1) {
position: absolute;
margin-top: -5px;
margin-left: 5px;
} */

#service_flowsheet ul.fuwu_3 li:nth-child(1) {
    position: absolute;
    /* margin-top: 35px; */
    margin-left: 50px;
}


/* #service_flowsheet ul.fuwu_3 li:nth-child(3) {
position: absolute;
margin-top: 30px;
margin-left: 190px;
} */

#service_flowsheet ul.fuwu_3 li:nth-child(2) {
    position: absolute;
    margin-left: 180px;
}

#service_flowsheet ul.fuwu_3 li:nth-child(3) {
    position: absolute;
    /* margin-top: 35px; */
    margin-left: 330px;
}

#service_flowsheet ul.fuwu_3 li:nth-child(4) {
    position: absolute;
    /* margin-top: -25px; */
    margin-left: 510px;
}

#service_flowsheet ul.fuwu_3 li:nth-child(5) {
    position: absolute;
    /* margin-top: 45px; */
    margin-left: 680px;
}

#service_flowsheet ul.fuwu_3 li:nth-child(6) {
    position: absolute;
    margin-top: 80px;
    margin-left: 750px;
    background: url(../images/kuang_3.png);
    position: absolute;
    width: 150px;
    height: 70px;
    line-height: 95px;
    text-align: center;
    color: #fff;
}

#service_flowsheet ul.fuwu_3 {
    height: 100px;
}

#service_flowsheet ul.fuwu_4 {
    margin-top: 100px;
}

#service_flowsheet ul.fuwu_4 li {
    height: 25px;
    opacity: .6;
}

#service_flowsheet ul.fuwu_4 li:nth-child(1) {
    position: absolute;
    margin-top: -15px;
    margin-left: 45px;
}

#service_flowsheet ul.fuwu_4 li:nth-child(2) {
    position: absolute;
    margin-top: -15px;
    margin-left: 205px;
}

#service_flowsheet ul.fuwu_4 li:nth-child(3) {
    position: absolute;
    margin-top: -15px;
    margin-left: 350px;
}

#service_flowsheet ul.fuwu_4 li:nth-child(4) {
    position: absolute;
    margin-top: -15px;
    margin-left: 510px;
}

#service_flowsheet ul.fuwu_4 li:nth-child(5) {
    position: absolute;
    margin-top: -15px;
    margin-left: 675px;
}

#service_flowsheet ul.fuwu_4 li:nth-child(6) {
    position: absolute;
    margin-top: 60px;
    margin-left: 750px;
    background: url(../images/kuang_4.png);
    position: absolute;
    width: 150px;
    height: 70px;
    line-height: 95px;
    text-align: center;
    color: #fff;
}

.fuwu li:nth-child(1):hover,
.fuwu li:nth-child(2):hover,
.fuwu li:nth-child(3):hover,
.fuwu li:nth-child(5):hover,
.fuwu li:nth-child(7):hover,
.fuwu li:nth-child(8):hover,
.fuwu li:nth-child(9):hover,
.fuwu li:nth-child(10):hover,
.fuwu li:nth-child(11):hover,
.fuwu li:nth-child(12):hover {
    animation: none;
}

.fuwu li:hover {
    opacity: 1;
    -webkit-transition: all .8s cubic-bezier(.25, .46, .45, .94);
    -moz-transition: all .8s cubic-bezier(.25, .46, .45, .94);
    -o-transition: all .8s cubic-bezier(.25, .46, .45, .94);
    transition: all .8s cubic-bezier(.25, .46, .45, .94);
    -webkit-transform: scale(1.2, 1.2);
    -moz-transform: scale(1.2, 1.2);
    transform: scale(1.2, 1.2);
    -ms-transform: scale(1.2, 1.2);
}

#service_flowsheet ol {
    width: 120px;
    height: 50px;
    list-style: none;
    margin: 0 auto;
}

#service_flowsheet ol.jiantou_2 {
    position: absolute;
    width: 120px;
    height: 50px;
    left: 550px;
    margin-top: -50px;
}

#service_flowsheet ol li {
    float: left;
    padding: 2px 5px;
}

#service_flowsheet ol.jiantou_3 {
    width: 800px;
    display: flex;
    justify-content: space-around;
}

@media screen and (max-width:1700px) and (min-width:1300px) {
    #service_flowsheet ul {
        margin-top: 50px;
    }
    #service_flowsheet ul.fuwu_3 {
        margin-top: 30px;
    }
    #service_flowsheet ul.fuwu_4 {
        margin-top: 70px;
    }
}

@media screen and (max-width:1300px) and (min-width:1100px) {
    #service_flowsheet {
        width: 1100px;
        height: 620px;
        margin-top: 60px;
    }
    #service_flowsheet ul {
        margin-top: 40px;
    }
    #service_flowsheet ul.fuwu_4 li:nth-child(1) {
        position: absolute;
        margin-top: -15px;
        margin-left: 90px;
    }
    #service_flowsheet ul.fuwu_4 li:nth-child(2) {
        position: absolute;
        margin-top: -15px;
        margin-left: 225px;
    }
    #service_flowsheet ul.fuwu_4 li:nth-child(3) {
        position: absolute;
        margin-top: -15px;
        margin-left: 350px;
    }
    #service_flowsheet ul.fuwu_4 li:nth-child(4) {
        position: absolute;
        margin-top: -15px;
        margin-left: 490px;
    }
    #service_flowsheet ul.fuwu_4 li:nth-child(5) {
        position: absolute;
        margin-top: -15px;
        margin-left: 630px;
    }
}

@media(max-width:1100px) {
    #service_flowsheet {
        margin-top: 60px;
    }
    #service_flowsheet ul {
        margin-top: 25px;
    }
    #service_flowsheet ul.fuwu_2 li:nth-child(8) {
        margin-left: 30px;
    }
    #service_flowsheet ul.fuwu_2 li:nth-child(1) {
        margin-left: 70px;
    }
    #service_flowsheet ul.fuwu_2 li:nth-child(2) {
        margin-top: 0px;
        margin-left: 130px;
    }
    #service_flowsheet ul.fuwu_2 li:nth-child(3) {
        margin-left: 200px;
    }
    #service_flowsheet ul.fuwu_2 li:nth-child(9) {
        margin-left: 130px;
    }
    #service_flowsheet ul.fuwu_2 li:nth-child(4) {
        margin-left: 330px;
    }
    #service_flowsheet ul.fuwu_2 li:nth-child(5) {
        margin-top: -20px;
        margin-left: 400px;
    }
    #service_flowsheet ul.fuwu_2 li:nth-child(6) {
        margin-left: 470px;
    }
    #service_flowsheet ul.fuwu_2 li:nth-child(11) {
        margin-top: 20px;
        margin-left: 560px;
    }
    #service_flowsheet ul.fuwu_2 li:nth-child(7) {
        margin-left: 550px;
    }
    #service_flowsheet ul.fuwu_1 li:nth-child(9) {
        margin-left: 580px;
    }
    #service_flowsheet ul.fuwu_3 li:nth-child(2) {
        margin-left: 160px;
    }
    #service_flowsheet ul.fuwu_3 li:nth-child(3) {
        margin-left: 270px;
    }
    #service_flowsheet ul.fuwu_3 li:nth-child(4) {
        margin-left: 400px;
    }
    #service_flowsheet ul.fuwu_3 li:nth-child(5) {
        margin-left: 500px;
    }
    #service_flowsheet ul.fuwu_3 li:nth-child(6) {
        margin-top: 10px;
        margin-left: 580px;
    }
    #service_flowsheet ul.fuwu_4 li:nth-child(1) {
        margin-left: 30px;
    }
    #service_flowsheet ul.fuwu_4 li:nth-child(2) {
        margin-left: 160px;
    }
    #service_flowsheet ul.fuwu_4 li:nth-child(3) {
        margin-left: 270px;
    }
    #service_flowsheet ul.fuwu_4 li:nth-child(4) {
        margin-left: 400px;
    }
    #service_flowsheet ul.fuwu_4 li:nth-child(5) {
        margin-left: 520px;
    }
    #service_flowsheet ul.fuwu_4 li:nth-child(6) {
        margin-left: 600px;
    }
}