/* Banner */
.list-banner {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    overflow: hidden;
}

.list-banner img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

/* 新闻列表页面专用样式 */
.list-page-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 0 40px 0;
    background: #fff;
}

/* 面包屑导航 */
.breadcrumb {
    display: flex;
    align-items: center;
    padding: 30px 0 20px 0;
    font-size: 14px;
    color: #666;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.breadcrumb-icon {
    width: 18px;
    height: 18px;
    margin-right: 8px;
    vertical-align: middle;
    flex-shrink: 0;
}

.breadcrumb a {
    color: #666666;
    text-decoration: none;
}

.breadcrumb a:hover {
    color: #0754D7;
    text-decoration: underline;
}

.breadcrumb .possplit {
    display: inline-block;
    width: 20px;
    text-align: center;
}

/* 左右布局容器 */
.list-layout {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 275px 1fr;
    gap: 40px;
    padding: 0 0 60px 0;
    position: relative;
}

/* 左侧栏目导航 */
.column-nav {
    position: relative;
    max-width: 275px;
}

.column-nav-title {
    background: #0754D7;
    color: #fff;
    padding: 0;
    padding-right: 25px;
    height: 100px;
    font-size: 28px;
    font-weight: 400;
    margin-bottom: 0;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 30px 30px 0 0;
    border-bottom: 10px solid #003CA3;
}

.column-nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
    background: url('../images/leftbg.png') no-repeat center;
    background-size: cover;
    min-height: 679px;

    border-top: none;
}

.column-nav-item {
    border-bottom: 1px solid #e5e5e5;
}



.column-nav-item a {
    display: flex;
    align-items: center;
    padding: 18px 65px;
    padding-right: 25px;
    color: #333;
    text-decoration: none;
    font-size: 18px;
    transition: all 0.3s ease;
    position: relative;
}

.column-nav-item a::before {
    content: '';
    display: inline-block;
    width: 0;
    height: 0;
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
    border-left: 8px solid #333;
    margin-right: 12px;
    transition: all 0.3s ease;
}

.column-nav-item a:hover,
.column-nav-item.active a {
    color: #0754D7;
    background: #f5f5f5;
}

.column-nav-item a:hover::before,
.column-nav-item.active a::before {
    border-left-color: #0754D7;
}

/* 二级导航样式 */
.sub_list {
    list-style: none;
    padding: 0;
    margin: 0;
    padding-left: 20px;
}

.sub-item {
    border-bottom: 1px solid #e5e5e5;
}

.sub-item:last-child {
    border-bottom: none;
}

.sub-item-link {
    display: flex;
    align-items: center;
    padding: 12px 65px;
    padding-right: 25px;
    color: #666;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
    position: relative;
}


.sub-item-link:hover,
.sub-item.active .sub-item-link {
    color: #0754D7;
    background: #f5f5f5;
}

.sub-item-link:hover::before,
.sub-item.active .sub-item-link::before {
    background-color: #0754D7;
}

/* 右侧新闻列表 */
.news-list-section {
    position: relative;
}

.news-list-container {
    background: #fff;
}

.news-list-page {
    list-style: none;
    padding: 0;
    margin: 0;
}

.news-list-page-item {
    display: flex;
    flex-direction: column;
    padding: 10px 0;
    border-bottom: 1px solid #E5E5E5;
    transition: all 0.3s ease;    font-size: 16px;
}

.news-list-page-item:last-child {
   /* border-bottom: none;*/
}

.news-item-header {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
}

.news-time-icon {
    width: 18px;
    height: 18px;
    margin-right: 8px;
    flex-shrink: 0;
}

.news-list-page-item .news-date {
    color: #0754D7;
    font-size: 14px;
    white-space: nowrap;
    flex-shrink: 0;
}

.news-item-line {
    width: 120px;
    height: 2px;

    margin-bottom: 10px;
border-bottom: 2px solid #0754d7;
}

.news-list-page-item .news-title {
    color: #333;
    font-size: 16px;
    line-height: 1.6;
    text-decoration: none;
    transition: color 0.3s ease;
    display: block;
}

.news-list-page-item:hover .news-title {
    color: #0754D7;
}

.xueke{ margin-top:50px}
.yingxiang{ margin-top:30px}

/* 学科专业列表样式 - 一行3个，固定尺寸，灰色边框，悬停蓝色背景 */
.news-list-page-xueke {
    list-style: none;
    padding: 0;
    margin: 15px 0 0 0;
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.news-list-page-xueke .news-list-page-item {
    flex: 0 0 calc(33.333% - 14px);
    height: 80px;
    border: 1px solid #E5E5E5;
    border-radius: 4px;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.news-list-page-xueke .news-list-page-item:hover {
    background: #0754D7;
    border-color: #0754D7;
}

.news-list-page-xueke .news-list-page-item .news-item-header,
.news-list-page-xueke .news-list-page-item .news-item-line {
    display: none;
}

.news-list-page-xueke .news-list-page-item .news-title {
    color: #333;
    font-size: 16px;
    line-height: 1.5;
    text-decoration: none;
    text-align: center;
    transition: color 0.3s ease;
    display: block;
    width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.news-list-page-xueke .news-list-page-item:hover .news-title {
    color: #fff;
}

.column-nav,
.news-list-section {
    position: relative;
    z-index: 1;
}

/* xueketitle 样式 - 限制显示7个字符 */
.column-nav-item.xueketitle a {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 270px;
    flex: 0 1 auto;
}

/* 二级菜单选择器样式 - 只在有二级菜单时显示 */
.news-list-select {
    margin: 20px 0;
}

.news-list-select > div {
    margin: 0;
}

.news-list-select ul.news-list-select {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
}

.news-list-select ul.news-list-select .选项 {
    margin: 0;
    padding: 0;
    list-style: none;
}

.news-list-select ul.news-list-select .选项 a {
    display: inline-block;
    padding: 8px 20px;
    background: #f5f5f5;
    color: #333;
    text-decoration: none;
    border-radius: 4px;
    font-size: 14px;
    transition: all 0.3s ease;
    border: 1px solid #e5e5e5;
}

.news-list-select ul.news-list-select .选项 a:hover {
    background: #0754D7;
    color: #fff;
    border-color: #0754D7;
}

.news-list-select ul.news-list-select .选项 a.active,
.news-list-select ul.news-list-select .选项.active a {
    background: #0754D7;
    color: #fff;
    border-color: #0754D7;
}

.news-list-select .column-select {
    display: inline-block;
}

/* 如果没有二级菜单，隐藏选择器 */
.news-list-select ul.news-list-select:empty {
    display: none;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .list-layout {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .column-nav {
        display: none;
    }

    .news-list-section {
        order: 1;
    }
}

@media (max-width: 768px) {
    .list-layout {
        padding: 0 15px 40px;
    }

    .breadcrumb {
        padding-top: 20px;
    }

    .column-nav-title {
        font-size: 20px;
        padding: 15px 20px;
    }

    .column-nav-item a {
        font-size: 16px;
        padding: 15px 20px;
    }

    .news-list-page-item {
        flex-wrap: wrap;
        gap: 10px;
    }

    .news-list-page-item .news-date {
        font-size: 14px;
    }

    .news-list-page-item .news-title {
        font-size: 16px;
        width: 100%;
    }

    /* 移动端：学科专业列表改为一行1个 */
    .news-list-page-xueke {
        gap: 15px;
    }

    .news-list-page-xueke .news-list-page-item {
        flex: 0 0 100%;
    }


    /* 移动端：二级菜单选择器 */
    .news-list-select {
        margin: 15px 0;
    }

    .news-list-select ul.news-list-select {
        gap: 8px;
    }

    .news-list-select ul.news-list-select .选项 a {
        padding: 6px 15px;
        font-size: 13px;
    }
}