.main {
    padding-top: 145px;
}

.main img {
    width: 100%;
}

.content {
    width: 1180px;
    margin: auto;
}

.c-header {
    padding: 80px 0 30px;
    border-bottom: 1px solid rgba(217, 217, 217, 1);
}

.c-header h3 {
    font-size: 24px;
    font-family: MicrosoftYaHei;
    color: rgba(51, 51, 51, 1);
    line-height: 31px;
    text-align: center;
}

.c-header .line {
    width: 84px;
    height: 2px;
    background: rgba(25, 164, 121, 1);
    margin: 10px auto;
}

.c-header .tab {
    width: 600px;
    display: flex;
    justify-content: space-around;
    margin: 30px auto 0;
}

.c-header .tab>li {
    width: 120px;
    height: 42px;
    font-size: 16px;
    font-family: MicrosoftYaHei;
    line-height: 21px;
    border: 1px solid #fff;
    text-align: center;
    line-height: 42px;
}

.c-header .tab>li a {
    color: rgba(51, 51, 51, 1);
}

.c-header .tab>li a:hover {
    color: rgba(25, 164, 121, 1);
}
.tab>li a:hover {
    color: rgba(25, 164, 121, 1);
}
.tab>li .active {
    color: rgba(25, 164, 121, 1) !important;
}
.content-box {
    padding: 30px 50px 50px;
}

.content-box+.content-box {
    padding-top: 0;
}

.content-box .title-box {
    display: flex;
    justify-content: flex-start;
}

.content-box .title-box>img {
    width: 55px;
    height: 55px;
    margin-right: 14px;
}

.content-box .title-box>h3 {
    font-size: 34px;
    font-family: MicrosoftYaHei;
    color: rgba(51, 51, 51, 1);
    line-height: 55px;
    font-weight: 400;
}

.content-box>p {
    font-size: 16px;
    font-family: MicrosoftYaHei;
    color: rgba(102, 102, 102, 1);
    line-height: 26px;
    padding: 20px 0;
}

.content-box>.bigimg {
    display: flex;
    margin:50px auto;
    width: 100%;
}
.content-box .serverImg{
    margin: 50px;
    width: 80%;
}
.content-box>p+p {
    padding-top: 0;
}

.content-box .imgs {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    margin: 20px auto;
}

.content-box .imgs>li {
    margin-bottom: 25px;
}

.content-box .imgs>li>p {
    font-size: 16px;
    font-family: MicrosoftYaHei;
    color: rgba(102, 102, 102, 1);
    line-height: 30px;
    text-align: center;
    padding-top: 10px;
}

.content-box .case-box .case-title {
    width: 250px;
    height: 41px;
    background: rgba(60, 181, 236, 1);
    font-size: 16px;
    font-family: MicrosoftYaHei;
    color: rgba(255, 255, 255, 1);
    line-height: 21px;
    text-align: center;
    line-height: 41px;
}

.content-box .case-box .case-content {
    display: flex;
    justify-content: flex-start;
    margin: 30px;
}
.content-box .case-box .case-content .case-imgBox {
      width: 350px;
     margin-right: 140px;
}
.content-box .case-box .case-content .case-imgBox>img {
    width: 350px;
    height: 230px;
}
.content-box .case-box .case-content .case-imgBox>img:nth-of-type(1){
    margin-bottom: 20px;
}

.content-box .case-box .case-content .right {
    position: relative;
}

.content-box .case-box .case-content .right h6 {
    font-size: 16px;
    font-family: MicrosoftYaHei-Bold,
        MicrosoftYaHei;
    font-weight: bold;
    color: rgba(51, 51, 51, 1);
    line-height: 21px;
}

.content-box .case-box .case-content .right p {
    font-size: 14px;
    font-family: MicrosoftYaHei;
    color: rgba(153, 153, 153, 1);
    line-height: 26px;
    padding: 12px 0;
}

.content-box .case-box .case-content .right .bottom {
    position: absolute;
    bottom: 0;
}
.content-box .case-box .case-content .characteristic{
    width: 600px;
    height: auto;
}