.caselist .tabs .tab.cur{
    color: #01509f;
}
.introduction {
    margin: 30px auto;
    width: 90%;
    color: #01509f;
    font-size: 16px;
    text-indent: 2em;
    position: relative;
    line-height: 1.6;
}

.introduction:before {
    content: '';
    width: 14px;
    height: 12px;
    background: url(../images/introduce1.png) no-repeat center;
    position: absolute;
    left: 0;
    top: 0;
}

.introduction:after {
    content: '';
    width: 14px;
    height: 12px;
    background: url(../images/introduce2.png) no-repeat center;
    position: absolute;
    right: 0;
    bottom: 0;
}
@media screen and (min-width: 1400px) {
    h2 {
        font-size: 48px;
        text-align: center;
        color: #333;
        line-height: 1.2;
    }

    h3 {
        font-size: 24px;
        text-align: center;
        color: #333;
        font-weight: normal;
        margin: 40px 0 15px;
        line-height: 1.2;
    }

    h4 {
        width: 810px;
        margin: 0 auto;
        font-size: 18px;
        color: #666;
        font-weight: normal;
        line-height: 1.4;
    }

    .recommend {
        margin-top: 80px;
    }

    .recommend .content {
        margin-top: 70px;
    }

    .recommend .content ul {
        position: relative;
    }

    .recommend .content ul:after {
        content: "";
        width: 2px;
        height: 240px;
        background-color: #dbe2e7;
        position: absolute;
        top: 30px;
        right: -32px;
        z-index: 9;
    }

    .recommend .content ul li {
        width: 160px;
        height: 70px;
        background-color: #fff;
        box-shadow: 0 2px 6px rgba(0, 0, 0, .1);
        padding: 0 15px;
        color: #333;
        font-size: 18px;
        line-height: 1.2;
        cursor: pointer;
        position: relative;
        transition: background-color 0.5s ease;
    }

    .recommend .content ul li+li {
        margin-top: 50px;
    }

    .recommend .content ul li:after {
        content: "";
        width: 10px;
        height: 10px;
        border-radius: 50%;
        background-color: #dbe2e7;
        position: absolute;
        top: 30px;
        right: -36px;
        z-index: 10;
        transition: background-color 0.5s ease;
    }

    .recommend .content ul li.cur {
        background-color: #01509f;
        color: #fff;
    }

    .recommend .content ul li.cur:after {
        background-color: #01509f;
    }

    .recommend .content .info {
        width: 470px;
        margin-left: 75px;
    }

    .recommend .content .info {
        font-size: 14px;
        color: #666;
        line-height: 1.6;
    }

    .recommend .content .info p {
        margin-top: 20px;
    }

    .recommend .content .info .desc {
        margin-bottom: 20px;
        font-size: 16px;
        text-indent: 2em;
    }

    .recommend .content .info a {
        font-size: 14px;
        color: #01509f;
    }

    .recommend .content .info a:hover {
        text-decoration: underline;
    }

    .recommend .case-content .pic {
        width: 440px;
        margin-left: 45px;
    }

    .recommend .case-content {
        display: none;
        flex: 1;
        height: 310px;
        overflow: hidden;
    }

    .recommend .case-content.cur {
        display: block;
    }

    .caselist {
        padding: 75px 0;
        background-color: #f7f9fc;
        margin-top: 80px;
    }

    .caselist .tabs {
        width: 1040px;
        margin: 45px auto 0;
        border-bottom: solid 2px #eee;
    }

    .caselist .tabs .tab {
        font-size: 22px;
        padding-bottom: 15px;
        cursor: pointer;
        position: relative;
    }

    .caselist .tabs .tab::after {
        content: "";
        width: 0;
        position: absolute;
        height: 2px;
        background-color: #01509f;
        bottom: 0;
        left: 0;
        right: 0;
        margin: auto;
        transition: width 0.3s ease;
    }

    .caselist .tabs .tab.cur::after {
        width: 50%;
    }

    .caselist .list {
        margin-top: 35px;
    }

    .list ul {
        margin-left: -20px;
    }

    .list ul:after {
        content: "";
        display: table;
        clear: both;
    }

    .list li {
        float: left;
        margin-left: 20px;
        width: 285px;
        margin-bottom: 20px;
        box-shadow: 0 0 13px rgba(0, 0, 0, .1);
        transition: box-shadow 0.5s ease, border-radius 0.5s ease;
        overflow: hidden;
    }

    .list li img {
        width: 100%;
        height: 238px;
        display: block;
    }

    .list li p {
        height: 70px;
        line-height: 70px;
        font-size: 18px;
        color: #333;
        text-align: center;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        background-color: #fff;
    }

    .list li p a {
        display: block;
        width: calc(100% - 20px);
        height: 100%;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        padding: 0 10px;
    }

    .list li:hover {
        box-shadow: 0 0 20px rgba(1, 80, 159, .8);
        border-radius: 10px;
    }

    .detail {
        margin-top: 30px;
    }

    .detail .content {
        margin-top: 55px;
    }

    .detail .content h1 {
        font-size: 28px;
        color: #333;
        text-align: center;
        line-height: 1.2;
    }

    .detail .content .tip {
        text-align: center;
        font-size: 14px;
        color: #666;
        margin: 22px 0 25px;
    }

    .detail .content .tip span {
        margin: 0 40px;
    }

    .related_recommend {
        margin-top: 90px;
        background-color: #f7f9fc;
        padding: 30px 0;
    }

    .related_recommend .title {
        width: 120px;
        height: 50px;
        text-align: center;
        line-height: 50px;
        background-color: #01509f;
        color: #fff;
        margin-left: 50px;
        margin-bottom: 30px;
        font-size: 18px;
    }

    .related_recommend .left {
        width: 28px;
        height: 28px;
        background: url(../images/left.png) no-repeat center;
        cursor: pointer;
    }

    .related_recommend .right {
        width: 28px;
        height: 28px;
        background: url(../images/right.png) no-repeat center;
        cursor: pointer;
    }

    .related_recommend .scroll {
        flex: 1;
        margin: 0 22px;
        overflow: hidden;
        position: relative;
        height: 300px;
    }

    .related_recommend ul {
        left: -20px;
        position: absolute;
    }

    .related_recommend ul:after {
        content: "";
        display: table;
        clear: both;
    }

    .related_recommend li {
        float: left;
        margin-left: 20px;
        width: 260px;
        transition: border-radius 0.5s ease;
        overflow: hidden;
    }

    .related_recommend li img {
        width: 100%;
        height: 217px;
        display: block;
    }

    .related_recommend li p {
        height: 70px;
        line-height: 70px;
        font-size: 18px;
        color: #333;
        text-align: center;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        background-color: #fff;
    }

    .related_recommend li p a {
        display: block;
        width: calc(100% - 20px);
        height: 100%;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        padding: 0 10px;
    }

    .related_recommend li:hover {
        border-radius: 10px;
    }
}

@media screen and (min-width: 1200px) and (max-width:1399px) {
    h2 {
        font-size: 40px;
        text-align: center;
        color: #333;
        line-height: 1.2;
    }

    h3 {
        font-size: 20px;
        text-align: center;
        color: #333;
        font-weight: normal;
        margin: 30px 0 15px;
        line-height: 1.2;
    }

    h4 {
        width: 810px;
        margin: 0 auto;
        font-size: 16px;
        color: #666;
        font-weight: normal;
        line-height: 1.4;
    }

    .recommend {
        margin-top: 60px;
    }

    .recommend .content {
        margin-top: 50px;
    }

    .recommend .content ul {
        position: relative;
    }

    .recommend .content ul:after {
        content: "";
        width: 2px;
        height: 240px;
        background-color: #dbe2e7;
        position: absolute;
        top: 30px;
        right: -32px;
        z-index: 9;
    }

    .recommend .content ul li {
        width: 160px;
        height: 70px;
        background-color: #fff;
        box-shadow: 0 2px 6px rgba(0, 0, 0, .1);
        padding: 0 15px;
        color: #333;
        font-size: 18px;
        line-height: 1.2;
        cursor: pointer;
        position: relative;
        transition: background-color 0.5s ease;
    }

    .recommend .content ul li+li {
        margin-top: 50px;
    }

    .recommend .content ul li:after {
        content: "";
        width: 10px;
        height: 10px;
        border-radius: 50%;
        background-color: #dbe2e7;
        position: absolute;
        top: 30px;
        right: -36px;
        z-index: 10;
        transition: background-color 0.5s ease;
    }

    .recommend .content ul li.cur {
        background-color: #01509f;
        color: #fff;
    }

    .recommend .content ul li.cur:after {
        background-color: #01509f;
    }

    .recommend .content .info {
        width: 470px;
        margin-left: 65px;
    }

    .recommend .content .info {
        font-size: 14px;
        color: #666;
        line-height: 1.6;
    }

    .recommend .content .info p {
        margin-top: 20px;
    }

    .recommend .content .info .desc {
        margin-bottom: 20px;
        font-size: 16px;
        text-indent: 2em;
    }

    .recommend .content .info a {
        font-size: 14px;
        color: #01509f;
    }

    .recommend .content .info a:hover {
        text-decoration: underline;
    }

    .recommend .case-content .pic {
        width: 260px;
        margin-left: 35px;
    }

    .recommend .case-content {
        display: none;
        flex: 1;
        height: 310px;
        overflow: hidden;
    }

    .recommend .case-content.cur {
        display: block;
    }

    .caselist {
        padding: 55px 0;
        background-color: #f7f9fc;
        margin-top: 60px;
    }

    .caselist .tabs {
        width: 940px;
        margin: 45px auto 0;
        border-bottom: solid 2px #eee;
    }

    .caselist .tabs .tab {
        font-size: 20px;
        padding-bottom: 15px;
        cursor: pointer;
        position: relative;
    }

    .caselist .tabs .tab::after {
        content: "";
        width: 0;
        position: absolute;
        height: 2px;
        background-color: #01509f;
        bottom: 0;
        left: 0;
        right: 0;
        margin: auto;
        transition: width 0.3s ease;
    }

    .caselist .tabs .tab.cur::after {
        width: 50%;
    }

    .caselist .list {
        margin-top: 35px;
    }

    .list ul {
        margin-left: -20px;
    }

    .list ul:after {
        content: "";
        display: table;
        clear: both;
    }

    .list li {
        float: left;
        margin-left: 20px;
        width: 235px;
        margin-bottom: 20px;
        box-shadow: 0 0 13px rgba(0, 0, 0, .1);
        transition: box-shadow 0.5s ease, border-radius 0.5s ease;
        overflow: hidden;
    }

    .list li img {
        width: 100%;
        height: 196px;
        display: block;
    }

    .list li p {
        height: 50px;
        line-height: 50px;
        font-size: 16px;
        color: #333;
        text-align: center;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        background-color: #fff;
    }

    .list li p a {
        display: block;
        width: calc(100% - 20px);
        height: 100%;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        padding: 0 10px;
    }

    .list li:hover {
        box-shadow: 0 0 20px rgba(1, 80, 159, .8);
        border-radius: 10px;
    }

    .detail {
        margin-top: 30px;
    }

    .detail .content {
        margin-top: 55px;
    }

    .detail .content h1 {
        font-size: 28px;
        color: #333;
        text-align: center;
        line-height: 1.2;
    }

    .detail .content .tip {
        text-align: center;
        font-size: 14px;
        color: #666;
        margin: 22px 0 25px;
    }

    .detail .content .tip span {
        margin: 0 40px;
    }

    .related_recommend {
        margin-top: 90px;
        background-color: #f7f9fc;
        padding: 30px 0;
    }

    .related_recommend .title {
        width: 100px;
        height: 40px;
        text-align: center;
        line-height: 40px;
        background-color: #01509f;
        color: #fff;
        margin-left: 50px;
        margin-bottom: 30px;
        font-size: 16px;
    }

    .related_recommend .left {
        width: 28px;
        height: 28px;
        background: url(../images/left.png) no-repeat center;
        cursor: pointer;
    }

    .related_recommend .right {
        width: 28px;
        height: 28px;
        background: url(../images/right.png) no-repeat center;
        cursor: pointer;
    }

    .related_recommend .scroll {
        flex: 1;
        margin: 0 22px;
        overflow: hidden;
        position: relative;
        height: 225px;
    }

    .related_recommend ul {
        left: -20px;
        position: absolute;
    }

    .related_recommend ul:after {
        content: "";
        display: table;
        clear: both;
    }

    .related_recommend li {
        float: left;
        margin-left: 20px;
        width: 210px;
        transition: border-radius 0.5s ease;
        overflow: hidden;
    }

    .related_recommend li img {
        width: 100%;
        height: 175px;
        display: block;
    }

    .related_recommend li p {
        height: 50px;
        line-height: 50px;
        font-size: 16px;
        color: #333;
        text-align: center;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        background-color: #fff;
    }

    .related_recommend li p a {
        display: block;
        width: calc(100% - 20px);
        height: 100%;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        padding: 0 10px;
    }

    .related_recommend li:hover {
        border-radius: 10px;
    }
}

@media screen and (min-width: 992px) and (max-width:1199px) {
    h2 {
        font-size: 40px;
        text-align: center;
        color: #333;
        line-height: 1.2;
    }

    h3 {
        font-size: 20px;
        text-align: center;
        color: #333;
        font-weight: normal;
        margin: 30px 0 15px;
        line-height: 1.2;
    }

    h4 {
        width: 810px;
        margin: 0 auto;
        font-size: 16px;
        color: #666;
        font-weight: normal;
        line-height: 1.4;
    }

    .recommend {
        margin-top: 60px;
    }

    .recommend .content {
        margin-top: 50px;
    }

    .recommend .content ul {
        position: relative;
    }

    .recommend .content ul:after {
        content: "";
        width: 2px;
        height: 240px;
        background-color: #dbe2e7;
        position: absolute;
        top: 30px;
        right: -32px;
        z-index: 9;
    }

    .recommend .content ul li {
        width: 160px;
        height: 70px;
        background-color: #fff;
        box-shadow: 0 2px 6px rgba(0, 0, 0, .1);
        padding: 0 15px;
        color: #333;
        font-size: 18px;
        line-height: 1.2;
        cursor: pointer;
        position: relative;
        transition: background-color 0.5s ease;
    }

    .recommend .content ul li+li {
        margin-top: 50px;
    }

    .recommend .content ul li:after {
        content: "";
        width: 10px;
        height: 10px;
        border-radius: 50%;
        background-color: #dbe2e7;
        position: absolute;
        top: 30px;
        right: -36px;
        z-index: 10;
        transition: background-color 0.5s ease;
    }

    .recommend .content ul li.cur {
        background-color: #01509f;
        color: #fff;
    }

    .recommend .content ul li.cur:after {
        background-color: #01509f;
    }

    .recommend .content .info {
        width: 470px;
        margin-left: 65px;
    }

    .recommend .content .info {
        font-size: 14px;
        color: #666;
        line-height: 1.6;
    }

    .recommend .content .info p {
        margin-top: 20px;
    }

    .recommend .content .info .desc {
        margin-bottom: 20px;
        font-size: 16px;
        text-indent: 2em;
    }

    .recommend .content .info a {
        font-size: 14px;
        color: #01509f;
    }

    .recommend .content .info a:hover {
        text-decoration: underline;
    }

    .recommend .case-content .pic {
        width: 220px;
        margin-left: 35px;
    }

    .recommend .case-content {
        display: none;
        flex: 1;
        height: 310px;
        overflow: hidden;
    }

    .recommend .case-content.cur {
        display: block;
    }

    .caselist {
        padding: 55px 0;
        background-color: #f7f9fc;
        margin-top: 60px;
    }

    .caselist .tabs {
        width: 840px;
        margin: 45px auto 0;
        border-bottom: solid 2px #eee;
    }

    .caselist .tabs .tab {
        font-size: 18px;
        padding-bottom: 10px;
        cursor: pointer;
        position: relative;
    }

    .caselist .tabs .tab::after {
        content: "";
        width: 0;
        position: absolute;
        height: 2px;
        background-color: #01509f;
        bottom: 0;
        left: 0;
        right: 0;
        margin: auto;
        transition: width 0.3s ease;
    }

    .caselist .tabs .tab.cur::after {
        width: 50%;
    }

    .caselist .list {
        margin-top: 35px;
    }

    .list ul {
        margin-left: -20px;
    }

    .list ul:after {
        content: "";
        display: table;
        clear: both;
    }

    .list li {
        float: left;
        margin-left: 20px;
        width: 225px;
        margin-bottom: 20px;
        box-shadow: 0 0 13px rgba(0, 0, 0, .1);
        transition: box-shadow 0.5s ease, border-radius 0.5s ease;
        overflow: hidden;
    }

    .list li img {
        width: 100%;
        height: 188px;
        display: block;
    }

    .list li p {
        height: 50px;
        line-height: 50px;
        font-size: 16px;
        color: #333;
        text-align: center;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        background-color: #fff;
    }

    .list li p a {
        display: block;
        width: calc(100% - 20px);
        height: 100%;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        padding: 0 10px;
    }

    .list li:hover {
        box-shadow: 0 0 20px rgba(1, 80, 159, .8);
        border-radius: 10px;
    }

    .detail {
        margin-top: 20px;
    }

    .detail .content {
        margin-top: 45px;
    }

    .detail .content h1 {
        font-size: 28px;
        color: #333;
        text-align: center;
        line-height: 1.2;
    }

    .detail .content .tip {
        text-align: center;
        font-size: 14px;
        color: #666;
        margin: 22px 0 25px;
    }

    .detail .content .tip span {
        margin: 0 40px;
    }

    .related_recommend {
        margin-top: 90px;
        background-color: #f7f9fc;
        padding: 30px 0;
    }

    .related_recommend .title {
        width: 100px;
        height: 40px;
        text-align: center;
        line-height: 40px;
        background-color: #01509f;
        color: #fff;
        margin-left: 50px;
        margin-bottom: 30px;
        font-size: 16px;
    }

    .related_recommend .left {
        width: 28px;
        height: 28px;
        background: url(../images/left.png) no-repeat center;
        cursor: pointer;
    }

    .related_recommend .right {
        width: 28px;
        height: 28px;
        background: url(../images/right.png) no-repeat center;
        cursor: pointer;
    }

    .related_recommend .scroll {
        flex: 1;
        margin: 0 22px;
        overflow: hidden;
        position: relative;
        height: 225px;
    }

    .related_recommend ul {
        left: -20px;
        position: absolute;
    }

    .related_recommend ul:after {
        content: "";
        display: table;
        clear: both;
    }

    .related_recommend li {
        float: left;
        margin-left: 20px;
        width: 200px;
        transition: border-radius 0.5s ease;
        overflow: hidden;
    }

    .related_recommend li img {
        width: 100%;
        height: 167px;
        display: block;
    }

    .related_recommend li p {
        height: 50px;
        line-height: 50px;
        font-size: 16px;
        color: #333;
        text-align: center;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        background-color: #fff;
    }

    .related_recommend li p a {
        display: block;
        width: calc(100% - 20px);
        height: 100%;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        padding: 0 10px;
    }

    .related_recommend li:hover {
        border-radius: 10px;
    }


}

@media screen and (min-width: 768px) and (max-width:991px) {
    h2 {
        font-size: 36px;
        text-align: center;
        color: #333;
        line-height: 1.2;
    }

    h3 {
        font-size: 18px;
        text-align: center;
        color: #333;
        font-weight: normal;
        margin: 30px 0 15px;
        line-height: 1.2;
    }

    h4 {
        width: 610px;
        margin: 0 auto;
        font-size: 14px;
        color: #666;
        font-weight: normal;
        line-height: 1.4;
    }

    .recommend {
        margin-top: 40px;
    }

    .recommend .content {
        margin-top: 30px;
    }

    .recommend .content.flex {
        flex-direction: column;
    }

    .recommend .content ul {
        position: relative;
        display: flex;
        justify-content: center;
    }

    .recommend .content ul li {
        width: 160px;
        height: 50px;
        background-color: #fff;
        box-shadow: 0 2px 6px rgba(0, 0, 0, .1);
        padding: 0 15px;
        color: #333;
        font-size: 14px;
        line-height: 1.2;
        cursor: pointer;
        position: relative;
        transition: background-color 0.5s ease;
        margin: 0 10px;
    }

    .recommend .content ul li.cur {
        background-color: #01509f;
        color: #fff;
    }

    .recommend .content .info {
        width: 470px;
    }

    .recommend .content .info {
        font-size: 14px;
        color: #666;
        line-height: 1.6;
    }

    .recommend .content .info p {
        margin-top: 20px;
    }

    .recommend .content .info .desc {
        margin-bottom: 20px;
        font-size: 16px;
        text-indent: 2em;
    }

    .recommend .content .info a {
        font-size: 14px;
        color: #01509f;
    }

    .recommend .content .info a:hover {
        text-decoration: underline;
    }

    .recommend .case-content .pic {
        width: 220px;
        margin-left: 35px;
    }

    .recommend .case-content {
        display: none;
        overflow: hidden;
        margin-top: 20px;
        background-color: #f7f7f7;
        padding: 20px;
        border-radius: 20px;
    }

    .recommend .case-content.cur {
        display: block;
    }

    .caselist {
        padding: 55px 0;
        background-color: #f7f9fc;
        margin-top: 60px;
    }

    .caselist .tabs {
        width: 640px;
        margin: 45px auto 0;
        border-bottom: solid 2px #eee;
    }

    .caselist .tabs .tab {
        font-size: 16px;
        padding-bottom: 10px;
        cursor: pointer;
        position: relative;
    }

    .caselist .tabs .tab::after {
        content: "";
        width: 0;
        position: absolute;
        height: 2px;
        background-color: #01509f;
        bottom: 0;
        left: 0;
        right: 0;
        margin: auto;
        transition: width 0.3s ease;
    }

    .caselist .tabs .tab.cur::after {
        width: 50%;
    }

    .caselist .list {
        margin-top: 25px;
    }

    .list ul {
        margin-left: -20px;
    }

    .list ul:after {
        content: "";
        display: table;
        clear: both;
    }

    .list li {
        float: left;
        margin-left: 20px;
        width: 165px;
        margin-bottom: 20px;
        box-shadow: 0 0 13px rgba(0, 0, 0, .1);
        transition: box-shadow 0.5s ease, border-radius 0.5s ease;
        overflow: hidden;
    }

    .list li img {
        width: 100%;
        height: 138px;
        display: block;
    }

    .list li p {
        width: 100%;
        height: 50px;
        line-height: 50px;
        font-size: 14px;
        color: #333;
        text-align: center;

        background-color: #fff;

    }

    .list li p a {
        display: block;
        width: calc(100% - 20px);
        height: 100%;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        padding: 0 10px;
    }

    .list li:hover {
        box-shadow: 0 0 20px rgba(1, 80, 159, .8);
        border-radius: 10px;
    }

    .detail {
        margin-top: 20px;
    }

    .detail .content {
        margin-top: 45px;
    }

    .detail .content h1 {
        font-size: 28px;
        color: #333;
        text-align: center;
        line-height: 1.2;
    }

    .detail .content .tip {
        text-align: center;
        font-size: 14px;
        color: #666;
        margin: 22px 0 25px;
    }

    .detail .content .tip span {
        margin: 0 40px;
    }

    .related_recommend {
        margin-top: 90px;
        background-color: #f7f9fc;
        padding: 30px 0;
    }

    .related_recommend .title {
        width: 100px;
        height: 40px;
        text-align: center;
        line-height: 40px;
        background-color: #01509f;
        color: #fff;
        margin-left: 50px;
        margin-bottom: 30px;
        font-size: 16px;
    }

    .related_recommend .left {
        width: 28px;
        height: 28px;
        background: url(../images/left.png) no-repeat center;
        cursor: pointer;
    }

    .related_recommend .right {
        width: 28px;
        height: 28px;
        background: url(../images/right.png) no-repeat center;
        cursor: pointer;
    }

    .related_recommend .scroll {
        flex: 1;
        margin: 0 22px;
        overflow: hidden;
        position: relative;
        height: 160px;
    }

    .related_recommend ul {
        left: -20px;
        position: absolute;
    }

    .related_recommend ul:after {
        content: "";
        display: table;
        clear: both;
    }

    .related_recommend li {
        float: left;
        margin-left: 20px;
        width: 140px;
        transition: border-radius 0.5s ease;
        overflow: hidden;
    }

    .related_recommend li img {
        width: 100%;
        height: 117px;
        display: block;
    }

    .related_recommend li p {
        height: 40px;
        line-height: 40px;
        font-size: 14px;
        color: #333;
        text-align: center;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        background-color: #fff;
    }

    .related_recommend li p a {
        display: block;
        width: calc(100% - 20px);
        height: 100%;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        padding: 0 10px;
    }

    .related_recommend li:hover {
        border-radius: 10px;
    }
}

@media screen and (max-width: 767px) {
    h2 {
        font-size: 36px;
        text-align: center;
        color: #333;
        line-height: 1.2;
    }

    h3 {
        font-size: 18px;
        text-align: center;
        color: #333;
        font-weight: normal;
        margin: 30px 0 15px;
        line-height: 1.2;
    }

    h4 {
        width: 80%;
        margin: 0 auto;
        font-size: 14px;
        color: #666;
        font-weight: normal;
        line-height: 1.4;
    }

    .recommend {
        margin-top: 40px;
    }

    .recommend .content {
        margin-top: 30px;
    }

    .recommend .content.flex {
        flex-direction: column;
    }

    .recommend .content ul {
        position: relative;
        display: flex;
        justify-content: center;
    }

    .recommend .content ul li {
        width: 150px;
        height: 70px;
        background-color: #fff;
        box-shadow: 0 2px 6px rgba(0, 0, 0, .1);
        padding: 0 15px;
        color: #333;
        font-size: 14px;
        line-height: 1.2;
        cursor: pointer;
        position: relative;
        transition: background-color 0.5s ease;
        margin: 0 10px;
    }

    .recommend .content ul li.cur {
        background-color: #01509f;
        color: #fff;
    }

    .recommend .content .info {
        width: 470px;
    }

    .recommend .content .info {
        font-size: 14px;
        color: #666;
        line-height: 1.6;
    }


    .recommend .content .info .desc {
        margin-bottom: 20px;
        font-size: 16px;
        text-indent: 2em;
    }

    .recommend .content .info a {
        font-size: 14px;
        color: #01509f;
    }

    .recommend .content .info a:hover {
        text-decoration: underline;
    }

    .recommend .case-content .pic {
        width: 220px;
        margin-left: 35px;
        display: none;
    }

    .recommend .case-content {
        width: 95%;
        display: none;
        overflow: hidden;
        margin: 20px auto 0;
        background-color: #f7f7f7;
        border-radius: 20px;
    }

    .recommend .case-content.cur {
        display: block;
    }

    .recommend .case-content .flex {
        padding: 20px;
    }

    .caselist {
        padding: 35px 0;
        background-color: #f7f9fc;
        margin-top: 30px;
    }

    .caselist .container {
        display: flex;
        margin-top: 20px;
        width: 100%;
    }

    .caselist .tabs {
        flex-direction: column;
        justify-content: flex-start;
        background-color: #eee;
    }

    .caselist .tabs .tab {
        font-size: 14px;
        cursor: pointer;
        position: relative;
        width: 100px;
        flex-shrink: 0;
        text-align: center;
        height: 50px;
        line-height: 50px;
    }

    .caselist .tabs .tab.cur {
        background-color: #01509f;
        color: #fff;
    }

    .caselist .list {
        padding-left: 10px;
        width: calc(100% - 110px);
    }

    .list ul {
        margin-left: -10px;
    }

    .list ul:after {
        content: "";
        display: table;
        clear: both;
    }

    .list li {
        float: left;
        width: 44%;
        margin-bottom: 20px;
        box-shadow: 0 0 13px rgba(0, 0, 0, .1);
        transition: box-shadow 0.5s ease, border-radius 0.5s ease;
        overflow: hidden;
        margin-left: 10px;
    }

    .list li img {
        width: 100%;
        height: 100px;
        display: block;
    }

    .list li p {
        width: 100%;
        height: 50px;
        line-height: 50px;
        font-size: 14px;
        color: #333;
        text-align: center;

        background-color: #fff;

    }

    .list li p a {
        display: block;
        width: calc(100% - 20px);
        height: 100%;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        padding: 0 10px;
    }

    .detail {
        margin-top: 20px;
    }

    .detail .container {
        margin: 0 auto;
        width: 95%;
    }

    .detail .content {
        margin-top: 25px;
    }

    .detail .content h1 {
        font-size: 16px;
        color: #333;
        text-align: center;
        line-height: 1.2;
    }

    .detail .content .tip {
        text-align: center;
        font-size: 12px;
        color: #666;
        margin: 10px 0 15px;
    }

    .detail .content .tip span {
        margin: 0 10px;
    }

    .casedetail img {
        display: block;
        width: 100%;
    }

    .related_recommend {
        margin-top: 40px;
        background-color: #f7f9fc;
        padding: 20px 0;
    }

    .related_recommend .title {
        width: 80px;
        height: 30px;
        text-align: center;
        line-height: 30px;
        background-color: #01509f;
        color: #fff;
        margin: 0 auto 20px;
        font-size: 14px;
    }

    .related_recommend .left {
        width: 28px;
        height: 28px;
        background: url(../images/left.png) no-repeat center;
        cursor: pointer;
        display: none;
    }

    .related_recommend .right {
        width: 28px;
        height: 28px;
        background: url(../images/right.png) no-repeat center;
        cursor: pointer;
        display: none;
    }

    .related_recommend .scroll {
        flex: 1;
        position: relative;
        display: flex;
        justify-content: center;
    }

    .related_recommend ul {
        margin-left: -20px;
        width: 320px;
    }

    .related_recommend ul:after {
        content: "";
        display: table;
        clear: both;
    }

    .related_recommend li {
        float: left;
        margin-left: 20px;
        width: 140px;
        transition: border-radius 0.5s ease;
        overflow: hidden;
        margin-bottom: 20px;
    }

    .related_recommend li img {
        width: 100%;
        height: 117px;
        display: block;
    }

    .related_recommend li p {
        height: 40px;
        line-height: 40px;
        font-size: 12px;
        color: #333;
        text-align: center;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        background-color: #fff;
    }

    .related_recommend li p a {
        display: block;
        width: calc(100% - 20px);
        height: 100%;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        padding: 0 10px;
    }

    .related_recommend li:hover {
        border-radius: 10px;
    }
}