.introduction-box .introduction-ul:after, .post-ul:after, .photos-scroll .hd:after, .development-content:after, .development-content .year-wrap:after, .links-ul:after {
    clear: both;
    content: ".";
    display: block;
    line-height: 0;
    font-size: 0;
    visibility: hidden;
}


.about-banner-box {
    height: 299px;
    background: url("../images/about-bg.jpg") no-repeat center center;
}

.about-banner-box .about-banner-content {
    -webkit-animation: banner-slide-20 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0s 1;
            animation: banner-slide-20 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0s 1;
    padding-top: 158px;
    color: #fff;
    font-size: 30px;
    font-weight: bold;
}

.link-menu-box {
    height: 53px;
    position: relative;
}

.link-menu-box .link-menu-wrap {
    background: #fff;
    position: absolute;
    left: 0;
    right: 0;
}

.link-menu-box .link-menu-wrap.fixed {
    position: fixed;
    top: 0;
    -webkit-box-shadow: 1px 1px 4px 1px rgba(192, 192, 192, 0.4);
            box-shadow: 1px 1px 4px 1px rgba(192, 192, 192, 0.4);
    z-index: 99;
}

.link-menu-box a {
    color: #333;
    display: inline-block;
    float: left;
    width: 16.6%;
    height: 52px;
    line-height: 52px;
    text-align: center;
    border-bottom: 1px solid #fff;
}

.link-menu-box a:hover {
    color: #0080ff;
    font-weight: bold;
}

.link-menu-box a.active {
    color: #0080ff;
    font-weight: bold;
    border-color: #0080ff;
}

.introduction-box {
    background: #f5f6fa;
    padding: 96px 0 100px;
}

.introduction-box .introduction-ul {
    margin: 48px 0 60px;
}

.introduction-box .introduction-ul li {
    float: left;
    text-align: center;
    width: 16.6%;
    margin-right: 10.8%;
}

.introduction-box .introduction-ul li p {
    color: #8a8c99;
}

.introduction-box .introduction-ul li:last-child {
    margin-right: 0;
}

.introduction-box .content-wrap {
    padding: 38px 40px 38px 188px;
    background: #fff url("../images/logo-2.png") no-repeat 52px center;
    border-radius: 4px;
    -webkit-box-shadow: 2px 2px 6px 1px rgba(192, 192, 192, 0.4);
            box-shadow: 2px 2px 6px 1px rgba(192, 192, 192, 0.4);
}

.introduction-box .content-wrap p {
    line-height: 30px;
    margin-bottom: 30px;
    text-indent: 28px;
}

.introduction-box .content-wrap p:last-child {
    margin-bottom: 0;
}

.contact-box {
    margin: 100px auto 90px;
}

.contact-box .contact-content-wrap {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
    -webkit-justify-content: space-between;
        -ms-flex-pack: justify;
            justify-content: space-between;
    margin-top: 50px;
}

.contact-box .left-info-wrap {
    -webkit-box-flex: 1;
    -webkit-flex: 1;
        -ms-flex: 1;
            flex: 1;
}

.contact-box .left-info-item {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    line-height: 36px;
    margin-bottom: 24px;
}

.contact-box .left-info-item div:last-child {
    -webkit-box-flex: 1;
    -webkit-flex: 1;
        -ms-flex: 1;
            flex: 1;
}

.contact-box .left-info-item .title {
    width: 128px;
    text-indent: 50px;
}

.contact-box .left-info-item .add-title {
    background: url("../images/contact-add-icon.png") no-repeat left center;
}

.contact-box .left-info-item .phone-title {
    background: url("../images/contact-phone-icon.png") no-repeat left center;
}

.contact-box .left-info-item .qq-title {
    background: url("../images/contact-people-icon.png") no-repeat left top;
}

.contact-box .left-info-item .kf-right-wrap {
    -webkit-box-flex: 0;
    -webkit-flex: none;
        -ms-flex: none;
            flex: none;
    padding-top: 8px;
}

.contact-box .left-info-item .kf-name, .contact-box .left-info-item .kf-right-wrap {
    float: left;
}

.contact-box .left-info-item .icon-kf {
    display: inline-block;
    width: 11px;
    height: 13px;
    vertical-align: middle;
}

.contact-box .left-info-item .icon-kf-qq {
    background: url(../images/icon-kf-qq.png) no-repeat;
}

.contact-box .left-info-item .icon-kf-mobile {
    background: url(../images/icon-kf-mobile.png) no-repeat;
}

.contact-box .left-info-item .kefu-link a {
    width: inherit;
    width: 110px;
    margin-left: 2px;
    margin-bottom: 4px;
    padding: 0 4px;
    display: block;
    background-color: #eef0f7;
    line-height: 1.8;
}

.contact-box .left-info-item .kefu-link .kf-name {
    width: 46px;
    font-style: initial;
    text-align: right;
    margin-right: 10px;
}

.contact-box .left-info-item .kefu-link .kf-num {
    vertical-align: middle;
    font-style: initial;
}

.contact-box .left-info-item .new-qq span {
    display: inline-block;
    width: 48px;
}

.contact-box .company-map {
    width: 738px;
    height: 415px;
    background: url("../images/company-map-2.jpg") no-repeat center center;
    overflow: hidden;
    text-align: center;
}

.contact-box .company-info-wrap {
    display: inline-block;
    color: #fff;
    font-weight: bold;
    width: auto;
    height: 50px;
    line-height: 30px;
    background: -webkit-gradient(linear, left top, right top, from(#007fff), to(#004dff));
    background: -webkit-linear-gradient(left, #007fff, #004dff);
    background: -o-linear-gradient(left, #007fff, #004dff);
    background: linear-gradient(90deg, #007fff, #004dff);
    border-radius: 4px;
    -webkit-box-shadow: 2px 2px 8px 1px rgba(177, 177, 177, 0.8);
            box-shadow: 2px 2px 8px 1px rgba(177, 177, 177, 0.8);
    -webkit-box-sizing: border-box;
            box-sizing: border-box;
    padding: 10px 20px;
    margin: 150px auto 0;
}

.contact-box .map-icon {
    display: inline-block;
    background: url("../images/add-icons.png") no-repeat;
    vertical-align: middle;
    margin: -4px 10px 0 0;
}

.contact-box .add-icon {
    width: 11px;
    height: 15px;
}

.contact-box .phone-icon {
    width: 13px;
    height: 13px;
    background-position: 0 -15px;
}

.contact-box .qq-icon {
    width: 12px;
    height: 13px;
    background-position: 0 -28px;
}

.join-box {
    background: #f5f6fa;
    padding: 90px 0 80px;
}

.post-ul {
    margin-top: 50px;
}

.post-ul li {
    float: left;
    background: #fff;
    width: 184px;
    height: 64px;
    padding: 18px 20px;
    border-radius: 4px;
    margin: 0 20px 20px 0;
    -webkit-transition: all .15s;
    -o-transition: all .15s;
    transition: all .15s;
}

.post-ul li p:first-child {
    margin-bottom: 24px;
}

.post-ul li .add-icon {
    display: inline-block;
    width: 11px;
    height: 14px;
    background: url("../images/add-icon.png") no-repeat;
    vertical-align: middle;
    margin: -2px 4px 0 0;
}

.post-ul li .add {
    color: #8a8c99;
}

.post-ul li:nth-child(5n) {
    margin-right: 0;
}

.post-ul li:hover {
    background: -webkit-gradient(linear, left top, right top, from(#007cff), to(#004bff));
    background: -webkit-linear-gradient(left, #007cff, #004bff);
    background: -o-linear-gradient(left, #007cff, #004bff);
    background: linear-gradient(90deg, #007cff, #004bff);
}

.post-ul li:hover p:first-child {
    color: #fff;
}

.post-ul li:hover .add {
    color: #b2d9ff;
}

.post-ul li:hover .add-icon {
    background: url("../images/add-hover-icon.png") no-repeat;
}

.post-ul li:hover a {
    color: #ffd400;
}

.photos-box {
    padding: 86px 0 34px;
}

.photos-scroll {
    margin-top: 60px;
}

.photos-scroll .hd {
    text-align: center;
}

.photos-scroll .hd li {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #cce6ff;
    margin: 26px 7px 0;
    cursor: pointer;
}

.photos-scroll .hd li.on {
    background: #0080ff;
}

.development-box {
    background: #f5f6fa;
    padding-bottom: 100px;
}

.development-box .common-title {
    padding: 90px 0 56px;
}

.development-content::-webkit-scrollbar {
    height: 10px;
    width: 0;
    background-color: #cfd2e6;
    border-radius: 4px;
}

.development-content::-webkit-scrollbar-button {
    display: none;
}

.development-content::-webkit-scrollbar-thumb {
    background-color: #cfd2e6;
    border-radius: 10px;
    width: 4px;
}

.development-content::-webkit-scrollbar-track-piece {
    background-color: #e6e9f5;
    border-radius: 4px;
}

.development-content {
    padding: 0 0 86px 10px;
    overflow-x: scroll;
}

.development-content .width-wrap {
    width: 3000px;
}

.development-content .width-wrap > .year-wrap:last-child .time-wrap {
    color: #0080ff;
    font-size: 18px;
}

.development-content .width-wrap > .year-wrap:last-child .time-wrap .dot {
    background: #0080ff;
}

.development-content .width-wrap > .year-wrap:last-child .title {
    font-size: 18px;
    font-weight: bold;
}

.development-content .width-wrap > .year-wrap:last-child .month-wrap {
    border-color: #0080ff;
}

.development-content .year-wrap {
    float: left;
    position: relative;
    margin-right: 24px;
}

.development-content .year-wrap .time-wrap {
    position: absolute;
    bottom: -31px;
    left: -4px;
    width: 56px;
    color: #ffaa00;
    font-weight: bold;
}

.development-content .year-wrap .time-wrap .dot {
    position: absolute;
    top: -16px;
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #ffaa00;
}

.development-content .year-wrap .time-wrap .year {
    line-height: 21px;
    height: 21px;
}

.development-content .year-wrap .month-wrap {
    float: left;
    padding: 0 52px 0 8px;
    border-bottom: 1px solid #ffaa00;
    border-left: 2px solid #ffaa00;
}

.development-content .year-wrap .month-wrap .img-wrap {
    width: 200px;
}

.development-content .year-wrap .month-wrap img {
    margin-bottom: 8px;
    max-width: 100%;
}

.development-content .year-wrap .month-wrap .title {
    margin-bottom: 11px;
}

.development-content .year-wrap .month-wrap .month {
    font-weight: bold;
    color: #8a8c99;
    margin-bottom: 20px;
}

.development-content .year-wrap.blue .time-wrap {
    color: #0080ff;
    font-size: 18px;
}

.development-content .year-wrap.blue .time-wrap .dot {
    background: #0080ff;
}

.development-content .year-wrap.blue .title {
    font-size: 18px;
    font-weight: bold;
}

.development-content .year-wrap.blue .month-wrap {
    border-color: #0080ff;
}

.qualification-box {
    height: 645px;
    background: url("../images/qualification-bg.png") no-repeat center center;
}

.qualification-box .common-title {
    padding: 94px 0 46px;
    color: #fff;
}

.qualification-box .more {
    text-align: center;
    margin-top: 42px;
}

.qualification-scroll {
    position: relative;
    padding: 60px 70px 54px;
    border-radius: 4px;
    background: #fff;
}

.qualification-scroll .hd a {
    display: inline-block;
    width: 36px;
    height: 36px;
    position: absolute;
    top: 137px;
    cursor: pointer;
}

.qualification-scroll .hd .prev {
    background: url("../images/scroll-left-arrow.png");
    left: 10px;
    z-index: 2;
}

.qualification-scroll .hd .next {
    background: url("../images/scroll-right-arrow.png");
    right: 10px;
    z-index: 2;
}

.qualification-scroll .bd li {
    float: left;
    width: 184px;
    text-align: center;
    margin-right: 30px;
}

.links-box {
    margin-top: 96px;
}

.links-box .des-icon {
    display: inline-block;
    width: 14px;
    height: 14px;
    background: url("../images/des-icon.png") no-repeat;
    vertical-align: middle;
    margin: -2px 5px 0 0;
}

.links-box .des {
    font-size: 14px;
    line-height: 48px;
}

.links-ul {
    margin: 54px 0 100px;
}

.links-ul li {
    float: left;
    width: 185px;
    height: 60px;
    text-align: center;
    margin-right: 18px;
}

.links-ul li:nth-child(6n) {
    margin-right: 0;
}

.links-ul li img {
    max-width: 185px;
    max-height: 60px;
}

.join-dialog {
    position: fixed;
    width: 800px;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    overflow: hidden;
}

.join-dialog .tag-info {
    height: 80px;
    line-height: 80px;
    font-size: 18px;
    font-weight: bold;
    color: #ff7f00;
    padding: 0 30px;
    background: #fff6e5;
}

.join-dialog .detail-info {
    padding: 20px 30px;
}

.join-dialog .detail-info > div {
    margin-bottom: 20px;
}

.join-dialog .detail-info > div p {
    line-height: 30px;
}

.join-dialog .detail-info > div .title {
    color: #8a8c99;
}

.join-dialog .dialog-foot {
    height: 60px;
    background: #f5f6fa;
    padding: 0 20px;
}

.join-dialog .dialog-foot .dialog-btn {
    display: inline-block;
    width: 130px;
    height: 40px;
    line-height: 40px;
    font-weight: bold;
    text-align: center;
    background: #0080ff;
    color: #fff;
    margin: 10px 0px 0;
    border-radius: 20px;
}

.join-dialog .dialog-foot .dialog-btn:first-child {
    background: -webkit-gradient(linear, left top, right top, from(#ffcd00), to(#ffaa00));
    background: -webkit-linear-gradient(left, #ffcd00, #ffaa00);
    background: -o-linear-gradient(left, #ffcd00, #ffaa00);
    background: linear-gradient(90deg, #ffcd00, #ffaa00);
    color: #332f19;
}

.m-join-box {
    display: none;
}

.m-development-wrap {
    display: none;
}

.m-reg-warp {
    display: none;
}

.m-join-link {
    display: none !important;
}

@media screen and (max-width: 1000px) {
    .m-adout-title-wrap {
        height: 200px;
    }
    .m-adout-title-wrap .about-banner-content {
        padding-top: 90px;
    }
    .m-adout-title-wrap .content p {
        font-size: 20px;
        text-align: center;
    }
    .m-adout-link-wrap .link-menu-wrap a {
        width: 25%;
    }
    .m-adout-link-wrap .link-menu-wrap a:nth-child(5), .m-adout-link-wrap .link-menu-wrap a:nth-child(6) {
        display: none;
    }
    .m-adout-link-wrap .link-menu-wrap .m-join-link {
        display: block !important;
    }
    .m-adout-link-wrap .link-menu-wrap .join-link {
        display: none;
    }
    .m-introduction-wrap {
        padding-top: 50px;
        padding-bottom: 50px;
    }
    .m-introduction-wrap .introduction-ul {
        margin: 40px 0px 60px;
    }
    .m-introduction-wrap .introduction-ul li {
        width: 50%;
        margin-right: 0;
    }
    .m-introduction-wrap .introduction-ul li img {
        width: 100px;
        height: 100px;
    }
    .m-introduction-wrap .content-wrap {
        background: none;
        padding: 50px 15px 0;
        -webkit-box-shadow: none;
                box-shadow: none;
        color: #333333;
        font-size: 14px;
    }
    .m-contact-wrap {
        margin: 30px 0 30px;
    }
    .m-contact-wrap .contact-content-wrap {
        display: block;
    }
    .m-contact-wrap .left-info-wrap {
        display: none;
        margin: 0 20px;
    }
    .m-contact-wrap .left-info-wrap .phone-num {
        color: #0080ff;
    }
    .m-contact-wrap .company-map {
        height: 392px;
        width: 100%;
        margin: auto;
    }
    .m-contact-wrap .company-map .company-info-wrap {
        width: 290px;
        margin: 140px auto 0;
    }
    .m-photos-wrap .photos-scroll {
        min-width: 350px;
        overflow-x: auto;
    }
    .m-qualification-wrap {
        height: 540px;
        min-width: 350px;
        overflow-x: hidden;
    }
    .m-qualification-wrap .qualification-scroll {
        padding: 60px 0 54px;
    }
    .m-qualification-wrap .m-qualification-title {
        padding: 50px 0 30px;
    }
    .pc-join-box {
        display: none;
    }
    .m-join-box {
        display: block;
        background: #fff;
    }
    .m-join-box .common-title {
        margin-bottom: 30px;
    }
    .m-join-box .m-join-item:last-child .m-join-title {
        border-bottom: 1px solid #e1e4f5;
    }
    .m-join-box .m-join-item .m-join-title {
        position: relative;
        height: 80px;
        font-size: 16px;
        color: #333333;
        line-height: 80px;
        padding: 0 32px;
        border-top: 1px solid #e1e4f5;
    }
    .m-join-box .m-join-item .m-join-title span:nth-child(2) {
        float: right;
        font-size: 12px;
        margin-right: 30px;
        position: relative;
    }
    .m-join-box .m-join-item .m-join-title span:nth-child(2)::after {
        content: '';
        display: inline-block;
        position: absolute;
        width: 11px;
        height: 14px;
        background: url(../images/add-icon.png) no-repeat;
        vertical-align: middle;
        top: 32px;
        left: -18px;
    }
    .m-join-box .m-join-item .m-join-title:after {
        content: '';
        position: absolute;
        right: 15px;
        top: 50%;
        margin-top: -8px;
        -webkit-box-sizing: border-box;
        box-sizing: border-box;
        width: 10px;
        height: 10px;
        border-right: 2px solid #333;
        border-bottom: 2px solid #333;
        -webkit-transform: rotate3d(0, 0, 1, 45deg);
        transform: rotate3d(0, 0, 1, 45deg);
        -webkit-transition: -webkit-transform .2s linear;
        transition: -webkit-transform .2s linear;
        -o-transition: transform .2s linear;
        transition: transform .2s linear;
        transition: transform .2s linear, -webkit-transform .2s linear;
    }
    .m-join-box .m-join-item .m-join-title.active:after {
        margin-top: -2px;
        -webkit-transform: rotate3d(0, 0, 1, -135deg);
        transform: rotate3d(0, 0, 1, -135deg);
        border-right: 2px solid #fff;
        border-bottom: 2px solid #fff;
    }
    .m-join-box .m-join-item .m-join-title.active {
        background-image: -webkit-linear-gradient(315deg, #007fff 0%, #002aff 100%), -webkit-linear-gradient(#ffffff, #ffffff);
        background-image: -o-linear-gradient(315deg, #007fff 0%, #002aff 100%), -o-linear-gradient(#ffffff, #ffffff);
        background-image: linear-gradient(135deg, #007fff 0%, #002aff 100%), linear-gradient(#ffffff, #ffffff);
        background-blend-mode: normal, 
 normal;
        color: #fff;
    }
    .m-join-box .m-join-item .m-join-content {
        display: none;
        padding: 0 15px;
        background: #f5f6fa;
    }
    .m-join-box .m-join-item .m-join-content p:nth-child(1) {
        padding: 20px 18px;
        color: #ff7f00;
        font-size: 16px;
    }
    .m-join-box .m-join-item .m-join-content p:nth-child(2), .m-join-box .m-join-item .m-join-content p:nth-child(4) {
        color: #8a8c99;
        font-size: 14px;
        padding: 0 18px;
    }
    .m-join-box .m-join-item .m-join-content p:nth-child(3), .m-join-box .m-join-item .m-join-content p:nth-child(5) {
        color: #333333;
        font-size: 14px;
        padding: 0 18px 35px;
        line-height: 30px;
    }
    .pc-development-wrap {
        display: none;
    }
    .m-development-wrap {
        display: block;
        padding: 20px 26px;
        background: #f5f6fa;
    }
    .m-development-wrap .common-title {
        margin: 50px 0;
    }
    .m-development-wrap .start-line {
        border-left: 1px solid #ffaa00;
        height: 60px;
        margin-left: 51px;
    }
    .m-development-wrap .m-year-wrap {
        margin-bottom: 20px;
    }
    .m-development-wrap .m-year-wrap .year {
        color: #ffaa00;
        font-size: 14px;
        margin-right: 20px;
    }
    .m-development-wrap .m-year-wrap .m-month-wrap {
        padding-left: 10px;
        padding-bottom: 80px;
        border-top: 2px solid #ffaa00;
        border-left: 1px solid #ffaa00;
        position: relative;
    }
    .m-development-wrap .m-year-wrap .m-month-wrap .month {
        color: #8a8c99;
        font-size: 14px;
        margin: 12px 0 20px 0;
    }
    .m-development-wrap .m-year-wrap .m-month-wrap .title {
        color: #333333;
        font-size: 14px;
    }
    .m-development-wrap .m-year-wrap .m-month-wrap .dot {
        position: absolute;
        top: -7px;
        left: -5px;
        display: inline-block;
        width: 10px;
        height: 10px;
        border-radius: 50%;
        background: #ffaa00;
    }
    .m-development-wrap .m-year-wrap:last-child .m-month-wrap {
        border-color: #0080ff;
    }
    .m-development-wrap .m-year-wrap:last-child .year {
        color: #0080ff;
    }
    .m-development-wrap .m-year-wrap:last-child .m-month-wrap .dot {
        background: #0080ff;
    }
    .m-reg-warp {
        display: block;
        height: 80px;
        padding: 0px 15px;
        background: url("../images/join_bg.png") repeat 100% 100%;
    }
    .m-reg-warp .blue {
        margin-top: 22px;
        color: #0080ff;
        font-size: 14px;
    }
    .m-reg-warp .teach {
        font-size: 14px;
        color: #333333;
    }
    .m-reg-warp .registered-btn {
        margin-top: 22px;
        display: inline-block;
        width: 120px;
        height: 40px;
        background-color: #0080ff;
        border-radius: 20px;
        color: #fff;
        text-align: center;
        line-height: 40px;
    }
}