body {
    background-color: #f7f7f7;
}

#case0 {
    width: 100%;
    padding: 8% 0;
    min-height: 370px;
    position: relative;
    overflow: hidden;
    background: url(../img/service/bg_zhuanyefuwu.png) center no-repeat;
    background-size: cover;
    display: flex;
    align-items: center;
}

#case0>img {
    width: 100%;
    max-width: none;
}

#case0 .banner {
    background: rgba(211, 47, 47, 1);
    position: relative;
    z-index: 1;
    box-sizing: border-box;
    padding: 4%;
    font-family: PingFangSC-Light;
    font-size: 20px;
    color: #FFFFFF;
    line-height: 2;
}

#case0 .line {
    width: calc(100% - 30px);
    height: 100%;
    border: 4px solid #FFFFFF;
    position: absolute;
    z-index: 0;
    top: 15px;
    left: 30px;
}

#case0 .banner>img {
    width: 60px;
    height: 50px;
    position: absolute;
    right: 10%;
    top: -25px;
}

#case1 {
    padding: 4rem 0;
    position: relative;
    background: #fff;
}

#case1 .introduction {}

#case1 .introduction>div:nth-child(1)>img {
    width: 100%;
}

#case1 .introduction>div:nth-child(2) {
    padding-left: 3%;
}

#case1 .introduction>div:nth-child(2)>dl {
    margin-top: 20px;
}

#case1 .introduction>div:nth-child(2)>dl>dt {
    font-family: PingFangSC-Medium;
    font-size: 30px;
    color: #333333;
    line-height: 1.4;
    margin-bottom: 20px;
}

#case1 .introduction>div:nth-child(2)>dl>dd {
    font-family: PingFangSC-Medium;
    font-size: 14px;
    color: #333333;
    letter-spacing: 2px;
    line-height: 1.3;
    text-transform: uppercase;
}

#case1 .introduction>div:nth-child(2)>span {
    width: 40px;
    height: 4px;
    display: inline-block;
    background: #333333;
    margin-top: 12%;
    margin-bottom: 5%;
}

#case1 .introduction>div:nth-child(2)>p {
    font-family: PingFangSC-Regular;
    font-size: 14px;
    color: #666666;
    line-height: 1.4;
}

#case2 {
    width: 100%;
    height: 300px;
    position: relative;
    overflow: hidden;
    background: url(../img/aboutUs/bg_womendetuandui.jpg) center no-repeat;
    background-size: auto 100%;
}

#case2 .team {
    width: 186px;
    height: 200px;
    position: absolute;
    background: url(../img/aboutUs/ico_80.svg) center no-repeat;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    margin: auto;
    text-align: center;
}

#case2 .team>h2 {
    font-family: PingFangSC-Medium;
    font-size: 30px;
    color: #FFFFFF;
    line-height: 30px;
    margin-top: 56px;
}

#case2 .team>span {
    width: 40px;
    height: 4px;
    background: #fff;
    display: inline-block;
    margin-top: 20px;
    margin-bottom: 20px;
}

#case2 .team>div {
    width: 220px;
    height: 14px;
    position: relative;
    font-family: PingFangSC-Medium;
    font-size: 14px;
    color: #FFFFFF;
    letter-spacing: 10px;
    line-height: 14px;
    left: -10px;
}

#case3 {
    padding: 5% 0;
    width: 100%;
    position: relative;
    background-color: #f7f7f7;
}

#case3 .swiper-container {
    width: 100%;
}

#case3 .swiper-container .swiper-slide {
    position: relative;
    cursor: pointer;
}

#case3 li {
    width: 130%;
    padding-bottom: 5%;
    margin-left: -15%;
    background: rgba(255, 255, 255, 1);
    box-shadow: 0 10px 15px 0 rgba(0, 0, 0, 0.10);
    text-align: center;
    margin-top: 70px;
}

#case3 li:nth-child(1) {
    z-index: 100;
}

#case3 li:nth-child(2) {
    left: 300px;
}

#case3 li:nth-child(3) {
    left: -300px;
}

#case3 li>img {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    box-shadow: 0 10px 20px 0 rgba(0, 0, 0, 0.10);
    margin: -70px auto 0;
}

#case3 li>h3 {
    margin-top: 15%;
    text-align: center;
    font-family: PingFangSC-Medium;
    font-size: 20px;
    color: #333333;
    line-height: 1.4;
    margin-bottom: 4%;
}

#case3 li>span {
    font-family: PingFangSC-Regular;
    font-size: 14px;
    color: #333333;
    line-height: 1.4;
}

#case3 li>p {
    position: relative;
    padding: 7.5% 7.5% 15%;
    margin-top: 10%;
    color: #666;
    font-size: 14px;
    line-height: 1.4;
}

#case3 li>p::before {
    position: absolute;
    left: 7.5%;
    top: -8%;
    content: "";
    width: 40px;
    height: 32px;
    background: url(../img/solution/ico_yinhao02.svg) no-repeat left top;
    background-size: 100% auto;
}

#case3 li>p::after {
    position: absolute;
    right: 7.5%;
    bottom: 0;
    content: "";
    width: 40px;
    height: 32px;
    background: url(../img/solution/ico_yinhao04.svg) no-repeat left bottom;
    background-size: 100% auto;
}

#case3 li>dd {
    width: 600px;
    height: 32px;
}

#case3 li>div>img:nth-child(1) {
    width: 40px;
    position: absolute;
    left: 4%;
    top: 60%;
}

#case3 li>div>img:nth-child(2) {
    position: absolute;
    left: 420px;
    bottom: 36px;
}

#case4 {
    padding: 5rem 0;
    position: relative;
    background: #fff;
}

#case4 .contact>div {
    text-align: right;
}

#case4 .case4_left>.title {
    margin-top: 20px;
    margin-bottom: 32px;
}

#case4 .case4_left>.title>dt {
    font-family: PingFangSC-Medium;
    font-size: 30px;
    color: #333333;
    line-height: 30px;
    margin-bottom: 20px;
}

#case4 .case4_left>.title>dd {
    font-family: PingFangSC-Medium;
    font-size: 14px;
    color: #333333;
    letter-spacing: 10px;
    line-height: 12px;
    text-transform: uppercase;
}

#case4 .case4_left>ul {
    margin-left: 25%;
    padding-left: 3%;
    box-sizing: border-box;
    border: 2px solid #333333;
    border-right: 2px solid transparent;
    position: relative;
}

#case4 .case4_left>ul>div {
    position: absolute;
    right: -2px;
    width: 0px;
    height: 30px;
    border-right: 2px solid #333333;
}

#case4 .case4_left>ul>div:nth-child(1) {
    top: -2px;
}

#case4 .case4_left>ul>div:nth-child(2) {
    bottom: -2px;
}

#case4 .case4_left>ul>li {
    display: flex;
    align-items: self-start;
    justify-content: flex-end;
    margin-bottom: 20px;
    margin-right: -5px;
    font-family: PingFangSC-Regular;
    font-size: 14px;
    color: #666666;
    line-height: 1.4;
}

#case4 .case4_left>ul>li>img {
    margin-left: 10px;
}

#case4 .case4_left>ul>li:nth-of-type(1) {
    margin-top: 10%;
}

#case4 .case4_left>ul>li:last-child {
    margin-bottom: 10%;
}


#case4 .case4_left>.contect {
    margin-top: 30px;
}

#case4 .case4_left>.contect>dt {
    font-family: PingFangSC-Regular;
    font-size: 14px;
    color: #666666;
    line-height: 14px;
    margin-bottom: 10px;
}

#case4 .case4_left>.contect>dd {
    font-family: PingFangSC-Regular;
    font-size: 14px;
    color: #666666;
    line-height: 14px;
}

#case4 .contact>div:nth-child(2) img {
    width: 100%;
}


@media (max-width: 767px) {
    #case0 {
        padding-left: 9%;
        padding-right: 9%;
    }

    #case0 .banner {
        font-size: 14px;
    }

    #case0 .banner>img {
        width: 30px;
        height: 25px;
        top: -12px;
    }

    #case1 {
        padding: 4rem;
    }

    #case1 .introduction>div:nth-child(2) {
        padding: 0 5%;
    }

    #case2 {
        height: 200px;
    }
    #case2 .team{
        background-size: 70% auto;
    }

    #case3 .container {
        padding: 0
    }

    #case3 li>img {
        width: 100px;
        height: 100px;
        margin: -50px auto 0;
    }

    #case3 li>div>img:nth-child(1) {
        width: 20px;
    }

    #case3 li>p::before {
        width: 25px;
        top: -10%;
    }

    #case3 li>p::after {
        width: 25px;
    }

    #case4 {
        padding-left: 5%;
        padding-right: 5%;
    }
}

@media (min-width: 768px) {
    #case0 .banner {
        font-size: 16px;
    }

    #case0 .banner>img {
        width: 30px;
        height: 25px;
        top: -12px;
    }
}

@media (min-width: 992px) {
    #case0 .banner {
        font-size: 20px;
    }

    #case0 .banner>img {
        width: 60px;
        height: 50px;
        top: -25px;
    }
}

@media (min-width: 1200px) {}