#banner {
    background: url('../img/share/banner_bg.png') no-repeat center center;
    height: 300px;
    display: flex;
    justify-content: center;
    align-items: center;
}

h2 {
    font-size: 28px;
    font-family: PingFangSC-Semibold, PingFang SC;
    font-weight: 600;
    color: #333333;
    text-align: center;
    line-height: 40px;
    margin: 60px 0 0;
}

#tab-col {
    display: flex;
    margin: 25px 0 40px;
    justify-content: center;
}

#tab-col a {
    width: 140px;
    height: 36px;
    border-radius: 4px;
    border: 1px solid #EEEEEE;
    font-size: 14px;
    font-family: PingFangSC-Semibold, PingFang SC;
    color: #333333;
    line-height: 36px;
    text-align: center;
    margin: 0 7px;
}

#tab-col .active {
    background: #00D0D0;
    color: #ffffff;
    border-color: transparent;
}

.container {
    margin: 0 auto;
    padding: 0;
}

#article-box .container {
    width: 1230px;
}

.container .row {
    margin: 0;
}

#div1 {
    display: none;
    margin: auto;
    position: relative;
}

.box {
    float: left;
}

.box img {
    width: 216px;
}

#chat-img {
    padding-bottom: 120px;
}

.loadmore-line {
    margin-top: 4.4em;
}

#article-box {
    padding-bottom: 80px;
}

.article-item {
    height: 290px;
    position: relative;
    border-bottom: 1px solid #EEEEEE;
    box-sizing: border-box;
    margin-bottom: 40px;
}

.article-item::after {
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    border-bottom: 2px solid #00BFBF;
    bottom: -1px;
    content: " ";
    display: block;
    position: absolute;
    -webkit-transition: all 280ms ease-in-out;
    transition: all 280ms ease-in-out;
    width: 0;
}

.article-item:hover::after {
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    border-color: #00BFBF;
    -webkit-transition: width 1200ms ease-in-out;
    transition: width 1200ms ease-in-out;
    width: 100%;
}

.article-item:hover .article-title>a {
    color: #00D0D0;
}

.item-image {
    position: relative;
    width: 380px;
    padding-bottom: 37%;
    overflow: hidden;
    border-radius: 10px;
}

.item-image>a {
    position: absolute;
    display: block;
}

.item-image img {
    width: 100%;
}

.article-title {
    margin: 12px 0;
}

.article-title>a {
    font-size: 16px;
    font-family: PingFangSC-Semibold, PingFang SC;
    font-weight: 600;
    color: #333333;
    line-height: 22px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 1;
    overflow: hidden;
}

.article-title>a:hover,
.article-title>a:focus,
.article-title>a:active {
    color: #00D0D0;
}

.article-intro {
    font-size: 14px;
    font-family: PingFangSC-Regular, PingFang SC;
    color: #999999;
    line-height: 24px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
}

.article-tag {
    font-size: 12px;
    font-family: PingFangSC-Regular, PingFang SC;
    color: #999999;
    line-height: 17px;
    position: absolute;
    left: 0;
    bottom: 18px;
}

.pager {
    margin: 0;
}

.pager li>a,
.pager li>span {
    width: 40px;
    height: 40px;
    background: #FFFFFF;
    border-radius: 3px;
    border: 1px solid #EEEEEE;
    font-size: 14px;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 400;
    color: #999999;
    line-height: 20px;
    padding: 0.7em 0.93em;
}

.pagination>.active>a,
.pagination>.active>span,
.pagination>.active>a:hover,
.pagination>.active>span:hover,
.pagination>.active>a:focus,
.pagination>.active>span:focus,
.pager li>a:hover,
.pager li>a:focus {
    background: #00BFBF;
    border-radius: 3px;
    color: #FFFFFF;
    border: none;
}

#activity-box {
    padding-bottom: 60px;
}

#activity-box .container {
    width: 1220px;
}

#activity-box .container .col-sm-4 {
    padding: 0 10px 15px;
}

#activity-box .image-item {
    position: relative;
    width: 386px;
    padding-bottom: 62%;
}

#activity-box .image-item>img {
    position: absolute;
    width: 100%;
}

@media (max-width: 1460px) {
    #article-box {
        padding-bottom: 60px;
    }

    #article-box .container {
        width: 920px;
    }

    #article-box .col-sm-4 {
        padding: 0 10px;
    }

    .article-item {
        height: 250px;
        margin-bottom: 30px;
    }

    .item-image {
        width: 286px;
    }

    .article-title {
        margin: 8px 0 11px;
    }

    #activity-box .container {
        width: 920px;
    }

    #activity-box .image-item {
        width: 286px;
    }

    #activity-box {
        padding-bottom: 50px;
    }
}

@media (max-width: 1080px) {
    #article-box .container {
        width: 720px;
    }

    .article-item {
        height: 206px;
        margin-bottom: 20px;
    }

    .article-title {
        margin: 8px 0;
    }

    .article-title>a {
        font-size: 14px;
        line-height: 20px;
    }

    .article-intro {
        font-size: 12px;
        line-height: 22px;
    }

    .item-image {
        width: 220px;
    }

    .article-tag {
        bottom: 11px;
    }

    #article-box {
        padding-bottom: 40px;
    }

    #activity-box .container {
        width: 710px;
    }

    #activity-box .image-item {
        width: 226px;
    }

    #activity-box .container .col-sm-4 {
        padding: 0 5px 5px;
    }
}

@media (max-width: 767px) {

    #article-box .container,
    #activity-box .container {
        width: auto;
        max-width: 520px;
        padding: 0 10px;
    }

    .article-item {
        height: 152px;
    }

    .article-title {
        margin: 6px 0;
    }

    .item-image {
        width: 100%;
    }

    .article-tag {
        bottom: 12px;
    }

    #banner {
        height: 140px;
        background: #00D0D0;
    }

    #banner>img {
        width: 300px;
    }

    h2 {
        font-size: 18px;
        line-height: 30px;
        margin: 40px 0 0;
    }

    #tab-col {
        margin: 14px 0 22px;
        padding: 0 10px;
    }

    #tab-col a {
        width: 100px;
        font-size: 12px;
        margin: 0 5px;
    }

    #activity-box .image-item {
        width: 100%;
    }

    #activity-box {
        padding-bottom: 40px;
    }

    #chat-img {
        padding-bottom: 0;
    }
}

@media (max-width: 470px) {
    .box img {
        width: 44vw;
    }
}

@media (max-width: 420px) {
    #article-box .container {
        width: 100%;
        padding: 0 10px;
    }

    .article-item {
        height: auto;
        padding-bottom: 14px;
    }

    .col-xs-6 {
        width: 100%;
    }

    .article-title {
        margin: 10px 0 6px;
    }

    .article-tag {
        position: static;
    }

    #activity-box .container .col-sm-4 {
        padding-bottom: 10px;
    }
}