/* TOP */
.top {
    margin-bottom: 40px;
}

.top h2 {
    display: inline-block;
    font-size: 36px;
    line-height: 36px;
    color: #1a459b;
    float: left;
}

.top a {
    font-size: 16px;
    line-height: 30px;
    color: #1a459b;
    float: right;
    background: url(../images/more-bg2.png) no-repeat right;
    padding-right: 55px;
}

.top a:hover {
    font-weight: bold;
}

.top2 {
    margin-bottom: 40px;
}

.top2 h2 {
    display: inline-block;
    font-size: 36px;
    line-height: 36px;
    color: #1a459b;
    float: left;
}

.top2 a {
    font-size: 16px;
    line-height: 30px;
    color: #1a459b;
    float: right;
}

.top2 a:hover {
    font-weight: bold;
}

video {
    width: 100%;
}

/* sec1 */
.s1-left {
    float: left;
    width: 690px;
    margin-top: 6px;
}

.ban1 .pic {
    padding-top: 59.2%;

}

.ban1 .slick-prev {
    background: url(../images/ban1-prev.png) no-repeat center;
    width: 30px;
    height: 75px;
    z-index: 1;
    left: 0;
    top: 40%;
}

.ban1 .slick-next {
    background: url(../images/ban1-next.png) no-repeat center;
    width: 30px;
    height: 75px;
    z-index: 1;
    right: 0;
    top: 40%;
}

.ban1 a {
    position: relative;
}

.ban1 .text {
    position: relative;
    margin: 0 auto;
    bottom: 65px;
    width: 80%;
  background: #0078ff !important;
    padding: 20px 24px 18px 30px;
}

.ban1 .text:hover p {
    font-weight: bold;
}

.ban1 .text p {
    font-size: 18px;
    line-height: 24px;
    max-height: 24px;
    color: #ffffff;
    text-overflow: -o-ellipsis-lastline;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    line-clamp: 1;
    -webkit-box-orient: vertical;
    margin-bottom: 12px;
    white-space: normal;
}

.ban1 .text span {
    font-size: 14px;
    line-height: 24px;
    color: #ffffff;
    background: url(../images/s1-11.png) no-repeat left;
    padding-left: 32px;
    display: block;
}

.s1-right {
    position: relative;
    overflow: hidden;
    padding-left: 32px;
    border-top: 5px solid #1a459b;

}

.s1-right li {
    float: left;
    width: 47%;
    border-bottom: solid 1px #eeeeee;
}

.s1-right li:hover p {
    color: #1a459b;
    font-weight: bold;

}

.s1-right li:hover span {
    color: #1a459b;
}

.s1-right li:nth-child(odd) {
    margin-right: 4.6%;

}

.s1-right li a {
    padding: 20px 0 17px 0;
}

.s1-right li p {
    font-size: 16px;
    line-height: 24px;
    color: #333333;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 10px;
    white-space: nowrap;
}

.s1-right li span {
    display: block;
    font-size: 14px;
    line-height: 24px;
    color: #999999;
    background: url(../images/s1-r-list-bg.png) no-repeat left;
    padding-left: 32px;
}
.s1-right2 {
    position: relative;
    overflow: hidden;
    padding-left: 0px;
    border-top: 5px solid #1a459b;

}

.s1-right2 li {
    float: left;
    width: 47%;
    border-bottom: solid 1px #eeeeee;
}

.s1-right2 li:hover p {
    color: #1a459b;
    font-weight: bold;

}

.s1-right2 li:hover span {
    color: #1a459b;
}

.s1-right2 li:nth-child(odd) {
    margin-right: 4.6%;

}

.s1-right2 li a {
    padding: 20px 0 17px 0;
}

.s1-right2 li p {
    font-size: 16px;
    line-height: 24px;
    color: #333333;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 10px;
    white-space: nowrap;
}

.s1-right2 li span {
    display: block;
    font-size: 14px;
    line-height: 24px;
    color: #999999;
    background: url(../images/s1-r-list-bg.png) no-repeat left;
    padding-left: 32px;
}

/* sec2 */

.sec2 {
    background: url(../images/sec2-bg.png) no-repeat center;
    padding: 50px 0;
    background-size: cover;
}

.sec2-list {
    overflow: hidden;
}

.s1-lb-tit h2 {
    display: inline-block;
    font-size: 30px;
    color: #999999;
    line-height: 36px;
    cursor: pointer;

}

.s1-lb-tit .last {
    margin-left: 56px;
}

.s1-lb-tit .on {
    font-size: 36px;
    color: #1a459b;
}

.more-links {
    float: right;
}

.s1-lb-tit a {
    font-size: 16px;
    line-height: 30px;
    color: #1a459b;
    float: right;
    background: url(../images/more-bg2.png) no-repeat right;
    padding-right: 55px;
}

.s1-lb-tit a:hover {
    font-weight: bold;
}

.top a:hover {
    font-weight: bold;
}

.sec2-list {
    margin-top: 47px;
}

.sec2-list ul>li {
    float: left;
    width: 31.4%;
    position: relative;
    box-shadow: 0px 1px 1px 0px rgba(6, 0, 1, 0.1);
    border: solid 1px #eeeeee;
    background: #ffffff;
}

.sec2-list ul>li:hover {
    box-shadow: 0px 5px 5px 0px rgba(6, 0, 1, 0.1);
}

.sec2-list ul>li:nth-child(3n+2) {
    margin: 0 2.8%;
}

.sec2-list ul>li:nth-child(n+4) {
    margin-top: 35px;
}

.sec2-list ul>li a {
    padding: 20px 25px 0 25px;

}

.sec2-list ul>li:hover .date {
    float: left;
}

.sec2-list ul>li:hover .date p {
    color: #1a459b;
}

.sec2-list ul>li:hover .date span {
    color: #1a459b;
}

.sec2-list ul>li:hover .text h3 {
    color: #1a459b;
}

.sec2-list ul>li:hover .text span {
    background: url(../images/s2-list-bg1.png)
}

.sec2-list ul>li:hover .xq:after {
    width: 120%;
    z-index: -1;
}

.sec2-list ul>li:hover .xq {
    color: #ffffff;
}

.sec2-list ul>li .date {
    width: 65px;
    float: left;
    margin-right: 25px;
    margin-top: 10px;
}

.sec2-list ul>li .date p {
    text-align: center;
    font-size: 48px;
    font-weight: bold;
    line-height: 48px;
    color: #666666;

}

.sec2-list ul>li .date span {
    display: block;
    text-align: center;
    font-size: 14px;
    line-height: 24px;
    color: #999999;
    margin-top: 8px;
}

.sec2-list ul>li .text {
    overflow: hidden;
    border-bottom: dashed 1px #eeeeee;
    padding-bottom: 15px;
}

.sec2-list ul>li .text h3 {
    font-size: 16px;
    line-height: 24px;
    color: #333333;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sec2-list ul>li .text p {
    margin-top: 10px;
    font-size: 14px;
    line-height: 24px;
    height: 48px;
    color: #666666;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
}

.sec2-list ul>li .xq {
    position: relative;
    float: right;
    width: 70%;
    display: block;
    font-size: 14px;
    line-height: 34px;
    color: #cccccc;
    background: url(../images/s2-list-bg.png) no-repeat right;
    z-index: 1;
    transition: all 0.5s;
}

.sec2-list ul>li .xq::after {
    content: '';
    position: absolute;
    width: 0;
    height: 35px;
    bottom: 0;
    right: -24px;
    background: #1a459b url(../images/s2-list-bg1.png) no-repeat 85%;
    transition: all 0.5s;
}

/* sec3 */
.sec3 {
    margin: 48px 0 45px 0;
}

.sec3 .top {
    margin-bottom: 50px;
}

.s3-left {
    float: left;
    width: 605px;
    margin-right: 1.7%;
}
.s3-left{position:relative}
.s3-left:hover .img{-webkit-transform:scale(1.08);-moz-transform:scale(1.08);-ms-transform:scale(1.08);-o-transform:scale(1.08);transform:scale(1.08)}
.s3-left .name{position:absolute;bottom:0;left:0;width:100%;text-align:center;font-size:16px;color:#fff;height:85px;line-height:115px;pointer-events:none;-o-text-overflow:ellipsis;text-overflow:ellipsis;white-space:nowrap;overflow:hidden}
.s3-left .box{display:block;position:relative;overflow:hidden}
.s3-left .video{display:block;width:100%;height:100%;}
.s3-left .play{cursor:pointer;position:absolute;top:50%;left:50%;width:46px;height:46px;background:url(../images/c-i5.png) center no-repeat;-webkit-background-size:100% 100%;-moz-background-size:100%;-o-background-size:100%;background-size:100%;-webkit-transform:translate(-50%,-50%);-moz-transform:translate(-50%,-50%);-ms-transform:translate(-50%,-50%);-o-transform:translate(-50%,-50%);transform:translate(-50%,-50%)}
.s3-left .img{min-width:100%;height:100%;vertical-align:middle;max-width:none;-o-object-fit:cover;object-fit:cover;-webkit-transition:.6s;-o-transition:.6s;-moz-transition:.6s;transition:.6s}

/* 2. 卡片框架：让 alumni 完全共享 right 的排版（加满 !important 镇压系统默认） */
.s3-right .s3-list, 
.s3-alumni .s3-list {
    float: left !important;
    width: 46% !important; 
    padding: 25px 24px 0px 24px !important;
    border: solid 2px #d2d2d2 !important;
    box-sizing: border-box !important; 
    margin-bottom: 25px !important;
    text-align: left !important; /* 强制文字靠左，修复学子风采文字居中的怪病 */
    background: #ffffff !important;
}

/* 用 nth-of-type 代替 nth-child，防止博达系统隐藏标签干扰数数 */
.s3-right .s3-list:nth-of-type(odd),
.s3-alumni .s3-list:nth-of-type(odd) {
    margin-right: 8% !important;
}
.s3-right .s3-list:nth-of-type(even),
.s3-alumni .s3-list:nth-of-type(even) {
    margin-right: 0 !important; /* 偶数贴边，确保不被挤下去 */
}

/* 3. 图片部分（统统加上 !important） */
.s3-right .s3-list .pic, 
.s3-alumni .s3-list .pic {
    padding-top: 65.5% !important;
    margin-bottom: 28px !important;
}

/* 4. 标题部分 */
.s3-right .s3-list h3, 
.s3-alumni .s3-list h3 {
    font-size: 16px !important;
    line-height: 20px !important;
    font-weight: bold !important;
    color: #333333 !important;
    margin-bottom: 23px !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    white-space: nowrap !important;
}

/* 5. 摘要文字部分 */
.s3-right .s3-list p, 
.s3-alumni .s3-list p {
    font-size: 14px !important;
    color: #666666 !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    display: -webkit-box !important;
    -webkit-line-clamp: 3 !important;
    line-clamp: 3 !important;
    -webkit-box-orient: vertical !important;
    margin-bottom: 20px !important;
    line-height: 22px !important;
    max-height: 66px !important;
}

/* 6. 底部时间/图标部分 */
.s3-right .s3-list span, 
.s3-alumni .s3-list span {
    font-size: 14px !important;
    line-height: 14px !important;
    color: #666666 !important;
    background: url(../images/time.png) no-repeat left center !important;
    padding-left: 25px !important;
    display: inline-block !important;
    margin-bottom: 20px !important;
}
/* sec4 */
.sec4 {
    background: url(../images/sec4-bg.png) no-repeat center;
    padding-top: 64px;
    padding-bottom: 50px;
    background-attachment: fixed;
    background-size: cover;
}

.sec4 .top {
    margin-bottom: 60px;
}

.ban2 {
    margin-top: 60px;
}

.ban2 .pic {
    /*padding-top: 125%;*/
    padding-top: 87%;
}

.ban2 ul li a {
    background: url(../images/s4-list-bg-h.png) no-repeat top;
    padding-top: 13px;
    display: block;
    margin: 0 5px;
    padding-right: 35px;
}

.ban2 .slick-prev {
    background: url(../images/ban2-prev.png) no-repeat center;
    width: 70px;
    height: 70px;
    z-index: 1;
    left: -110px;
}

.ban2 .slick-next {
    background: url(../images/ban2-next.png) no-repeat center;
    width: 70px;
    height: 70px;
    z-index: 1;
    right: -110px;
}


.ban2 ul li a p {
    text-align: center;
    width: 124px;
    margin: 0 auto;
    font-size: 16px;
    line-height: 40px;
    color: #ffffff;
    background-color: #1a459b;
    border-radius: 19px;
    margin-top: 30px;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    padding: 0 10px;
}
.ban2-list img{
    
border-radius: 0 45px 0 0;
}
/* sec5 */
.sec5 {
    margin: 60px 0;
}

.ban3 ul li a {
    display: block;
    margin: 0 20px;
    position: relative;
    text-align: center;
}

.ban3 .pic {
    padding-top: 45%;
}

.ban3 p {
    top: 50%;
    transform: translateY(-50%);
    text-align: center;
    position: absolute;
    width: 100%;
    display: block;
    font-size: 30px;
    line-height: 30px;
    font-weight: bold;
    color: #ffffff;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.ban3 .slick-prev {
    background: url(../images/ban3-prev.png) no-repeat center;
    width: 40px;
    height: 60px;
    z-index: 1;
    left: -40px;
}

.ban3 .slick-next {
    background: url(../images/ban3-next.png) no-repeat center;
    background-size: 40px auto;
    width: 40px;
    height: 60px;
    z-index: 1;
    right: -40px;
}
.pic img {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
}
/* 1. 强制重置父容器的对齐方式，防止居中干扰浮动 */
.s3-right > div[style*="text-align: center"], 
.s3-alumni > div[style*="text-align: center"] {
    text-align: left !important; /* 强制改回左对齐 */
    display: block !important;
    overflow: hidden !important; /* 清除浮动 */
}

/* 2. 确保校友风采的框框和团学活动一模一样 */
.s3-alumni .s3-list {
    float: left !important;
    width: 46% !important; 
    margin-right: 8% !important; /* 加上间距 */
    box-sizing: border-box !important;
    display: block !important;
}

/* 3. 每行第二个去掉右间距，防止挤下去 */
.s3-alumni .s3-list:nth-of-type(2n) {
    margin-right: 0 !important;
}

/* 4. 修复图片容器，防止图片撑开框框 */
.s3-alumni .s3-list .pic {
    width: 100% !important;
    height: 0 !important;
    padding-top: 65.5% !important;
    position: relative !important;
    overflow: hidden !important;
}

.s3-alumni .s3-list .pic img {
    position: absolute !important;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.s1-left {
    width: 45%;
}

.s1-right {
    width: 52%;
    float: right;
    padding-left: 0;
    border-top: 3px solid #243b55;
}

.s1-right li {
    width: 100% !important;
    margin-right: 0 !important;
    border-bottom: 1px dashed #e2e8f0;
    display: block !important;
    padding: 0 !important;
}

.s1-right li a {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    padding: 18px 5px !important;
    width: 100%;
    box-sizing: border-box;
}

.s1-right li p {
    margin-bottom: 0 !important;
    flex: 1;
    font-size: 16px;
    text-align: left !important;
    padding-right: 20px;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
}

.s1-right li span {
    width: auto !important;
    text-align: right !important;
    background: none !important;
    padding-left: 0 !important;
    white-space: nowrap !important;
    flex-shrink: 0;
    font-size: 14px;
    color: #999;
}

.sec2-right .sec2-list ul>li {
    width: 100% !important;
    margin: 0 0 15px 0 !important;
    border: none !important;
    border-left: 4px solid transparent !important;
    background: #f8fafc !important;
    box-shadow: none !important;
    display: flex !important;
    align-items: center !important;
    border-radius: 6px;
    padding: 15px !important;
    transition: all 0.3s ease;
}

.sec2-right .sec2-list ul>li:hover {
    border-left: 4px solid #4facfe !important;
    background: #ffffff !important;
    box-shadow: 0 6px 16px rgba(0,0,0,0.06) !important;
    transform: translateX(8px);
}

.sec2-list ul>li .date {
    margin-top: 0;
    margin-right: 20px;
}

.sec2-list ul>li .date p {
    font-size: 36px;
    color: #243b55;
}

.sec2-list ul>li .text {
    border-bottom: none;
    padding-bottom: 0;
    flex: 1;
}

.sec2-list ul>li .xq {
    display: none !important;
}

.s3-right .s3-list, 
.s3-alumni .s3-list {
    width: 100% !important;
    display: flex !important;
    flex-direction: row !important;
    padding: 16px !important;
    border: none !important;
    border-radius: 10px;
    background: #f8fafc !important;
    margin-bottom: 18px !important;
    transition: all 0.3s ease;
}

.s3-right .s3-list:hover, 
.s3-alumni .s3-list:hover {
    background: #ffffff !important;
    box-shadow: 0 10px 25px rgba(0,0,0,0.08) !important;
    transform: translateY(-4px);
}

.s3-right .s3-list .pic, 
.s3-alumni .s3-list .pic {
    width: 160px !important;
    padding-top: 110px !important;
    margin-bottom: 0 !important;
    margin-right: 20px !important;
    flex-shrink: 0;
    border-radius: 6px;
}

.s3-right .s3-list h3, 
.s3-alumni .s3-list h3 {
    margin-bottom: 12px !important;
}

.s3-right .s3-list span, 
.s3-alumni .s3-list span {
    margin-bottom: 10px !important;
}
.sec2 {
    background: #f4f7f9 !important;
}

.sec3 {
    background: #ffffff !important;
    margin: 0 !important;
    padding: 50px 0 !important;
}

.sec4 {
    background: linear-gradient(180deg, #f8fafc 0%, #eef2f6 100%) !important;
}

.footer {
    background: #0f172a !important;
}

.bq {
    background: #020617 !important;
}
.sec2-list ul>li .text {
    flex: 1 !important;
    min-width: 0 !important;
    overflow: hidden !important;
}

.sec2-list ul>li .text h3 {
    width: 100% !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    white-space: nowrap !important;
}
.sec2-list ul>li>a {
    display: flex !important;
    align-items: center !important;
    width: 100% !important;
    box-sizing: border-box !important;
}

.sec2-list ul>li .date {
    float: none !important;
    flex-shrink: 0 !important;
    width: 70px !important;
    margin-right: 20px !important;
    margin-top: 0 !important;
}

.sec2-list ul>li .text {
    float: none !important;
    flex: 1 !important;
    min-width: 0 !important;
}

.sec2-list ul>li .text h3 {
    width: 100% !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
}

.sec2-list ul>li .text p {
    display: -webkit-box !important;
    -webkit-line-clamp: 2 !important;
    -webkit-box-orient: vertical !important;
    overflow: hidden !important;
    white-space: normal !important;
}