/* ========== 全局重置与基础样式 ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    color: #333;
    background-color: #f8f8f8;
    /* overflow-x: hidden; */
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

:root {
    --primary-blue: #1b3d86;
    /* 深蓝 */
    --light-blue: #2c5bb5;
    --accent-blue: #0056b3;
    --text-grey: #666;
    --white: #fff;
}

.container {
    width: 1440px;
    margin: 0 auto;
    position: relative;
}

.more-btn {
    width: 124px;
    height: 43px;
    line-height: 43px;
    text-align: center;
    background: #0445B3;
    border-radius: 22px 22px 22px 22px;
    color: #fff;
}

.more-btn:hover {
    color: #fff;
    text-decoration: underline;
}


/* ========== 顶部轮播图 ========== */
.hero-slider {
    min-width: 1440px;
    height: 970px;
    margin-top: 0;
}

.hero-slider .swiper-slide {
    position: relative;
    top: 110px;
    background-size: cover;
    background-position: center;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-overlay {
    position: absolute;
    bottom: 100px;
    text-align: center;
    color: #fff;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-overlay h1 {
    font-size: 48px;
    margin-bottom: 20px;
}

.hero-overlay p {
    font-size: 24px;
}

.swiper-pagination-bullet {
    width: 12px;
    height: 12px;
    background: #fff;
    opacity: 0.5;
}

.swiper-pagination-bullet-active {
    opacity: 1;
    background: #fff;
    width: 20px;
    border-radius: 6px;
}

/* ========== 新闻动态 ========== */
.news-section {
    padding: 50px 0;
    background: #fff;
    height: 750px;
    background-image: url(../img/xw1.png);
}

.news-content {
    display: flex;
    gap: 30px;
}

.news-carousel {
    width: 50%;
    height: 350px;
    border-radius: 8px;
    overflow: hidden;
}

.news-carousel img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.news-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 15px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: #fff;
}

.news-list {
    width: 50%;
}
.news-list-card{
    margin-left: 40px;
}

.news-list-card a:hover{
    text-decoration: underline;
    text-underline-offset: 4px;
    color: #fff;
}

.list-body a:hover{
    text-decoration: none;
    color: #00479d;
}

/* ========== 通知公告 & 学术动态 (蓝底区域) ========== */
.blue-section {
    /*background: #0345B3;*/
    /* 模拟深蓝背景 */
    /* background: linear-gradient(135deg, #112d6e 0%, #0c1e4a 100%); */
    background-image: url(../img/tz.jpg);
    background-repeat: no-repeat;
    background-size: 100% 100%;
    min-width: 1440px;
}

.blue-section-center {
    background: url(../img/20251204-160018.jpg) center center no-repeat;
    background-size: 100% 100%;
    color: #fff;

}

.blue-section .section-title {
    color: #fff;
}

.blue-section .section-header {
    border-bottom-color: rgba(255, 255, 255, 0.2);
}

.dual-columns {
    display: flex;
    gap: 40px;
}

.tzcontainer {
    width: 100%;
    min-width: 1440px;
    margin: 0 auto;
    position: relative;
}

.col-half {
    /* width: 50%;
    margin-top: 20px;
    padding-right: 30px; */
    width: 50%;
    margin-top: 60px;
    padding-right: 30px;
    
}

.col-right {
    width: 50%;
    margin-top: 60px;
    padding-left: 60px;
}

/* ========== 学术观点 (Scholars) ========== */
.scholars-section {
    padding: 48px 0;
    background-image: url(../img/xw2.png);
}

.scholars-grid {
    display: flex;
    gap: 20px;
}

.scholar-card {
    flex: 1;
    background: #fff;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: 0.3s;
    text-align: center;
    border-top: 3px solid transparent;
}

.scholar-card:hover {
    transform: translateY(-5px);
    border-top-color: var(--primary-blue);
}

.scholar-header {
    background: var(--primary-blue);
    color: #fff;
    padding: 15px;
}

.scholar-body {
    padding: 20px;
}

.scholar-img-box {
    width: 100%;
    height: 150px;
    margin-bottom: 15px;
    border: 1px solid #eee;
    padding: 5px;
}

.scholar-img-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ========== 活动专栏 (图片网格 + 悬浮蓝底白字) ========== */
.activity-section {
    padding-bottom: 50px;
    margin-top: 80px;
}

.activity-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    /* 4列 */
    grid-template-rows: 250px 250px;
    gap: 5px;
}

/* 拼图布局模拟 */
.act-item {
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.act-item.large {
    grid-column: span 2;
    grid-row: span 2;
    /* 大图占2x2 */
}

.act-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

/* 悬浮遮罩效果 */
.act-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(27, 61, 134, 0.9);
    /* 蓝底 */
    color: #fff;
    /* 白字 */
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    padding: 20px;
    text-align: center;
}

.act-item:hover .act-overlay {
    opacity: 1;
}

.act-item:hover img {
    transform: scale(1.1);
}

.act-title {
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 10px;
    transform: translateY(20px);
    transition: 0.3s;
}

.act-desc {
    font-size: 14px;
    transform: translateY(20px);
    transition: 0.3s 0.1s;
}

.act-item:hover .act-title,
.act-item:hover .act-desc {
    transform: translateY(0);
}

/* --- 回到顶部按钮样式 --- */
.back-to-top {
    position: fixed;
    bottom: 50px;
    right: 50px;
    width: 45px;
    height: 45px;
    background-color: #4a90e2;
    border-radius: 2px;
    color: #fff;
    cursor: pointer;
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background-color: #357abd;
}

.back-to-top svg {
    width: 24px;
    height: 24px;
    stroke: currentColor;
    stroke-width: 2.5;
    stroke-linecap: round;
    stroke-linejoin: round;
    fill: none;
}

.divider {
    height: 40px;
    width: 1px;
    background: rgba(255, 255, 255, 0.4);
    margin: 0 20px;
}

.college-title {
    font-size: 26px;
    font-weight: bold;
    letter-spacing: 2px;
}

.home-btn {
    /* background: #1e47aa;
    color: #fff;
    padding: 5px 20px;
    border-radius: 20px;
    font-size: 13px;
    border: 1px solid #4a74d4; */
    width: 113px;
    height: 44px;
    background: #0838BA;
    border-radius: 22px 22px 22px 22px;
    line-height: 44px;
    text-align: center;
    color: #fff;
}

.home-btn:hover {
    color: #fff;
}




.nav-item {
    position: relative;
    width: 160px;
    text-align: center;
    height: 50px;
    line-height: 50px;
}

.nav-item:hover a {
    color: #fff;
}

.nav-link {
    color: #fff;
    font-size: 16px;
    /* padding: 10px 0; */
    display: block;
    position: relative;

}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: #fff;
    transition: 0.3s;
    border-radius: 25%;
}

.tzgg::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 20px;
    transform: translateX(-50%);
    width: 40px;
    height: 3px;
    background: #D4C590;
    transition: 0.3s;
    z-index: 3;
}

.nav-link.active::after {
    width: 40px;
}

.nav-item:hover .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown li a {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    font-size: 13px;
    padding: 8px 0;
    transition: 0.2s;
}

.dropdown li a:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
}

.news-section .swiper {
    width: 740px;
    padding: 29px 0 0 29px;
    /* 给外部的蓝色装饰留出空间 */
    /* overflow: visible; */
    /* 允许装饰元素超出容器 */
}

/* 卡片整体样式 */
.news-card {
    background: #fff;
    position: relative;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    width: 100%;
    display: block;
}

/* 左上角蓝色装饰 (利用伪元素实现) */
.news-card::before {
    content: '';
    position: absolute;
    top: -15px;
    left: -15px;
    width: 500px;
    /* 蓝色块宽度 */
    height: 500px;
    /* 蓝色块高度 */
    background-color: #0445b3;
    /* 深蓝色 */
    z-index: -1;
    /* 放在卡片后面 */
}

/* 图片容器 */
.card-image {
    width: 100%;
    height: 340px;
    /* 根据比例固定高度 */
    overflow: hidden;
    background-color: #ddd;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* 内容区域 */
.card-content {
    padding: 30px 20px 10px 20px;
    position: relative;
}

/* 标题样式 */
.card-title {
    font-size: 20px;
    font-weight: bold;
    color: #000;
    margin-bottom: 15px;
    line-height: 1.4;
}

/* 描述/日期文本样式 */
.card-desc {
    font-size: 14px;
    color: #999;
    line-height: 1.6;
    height: 46px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
}

/* 自定义分页器样式 (覆盖 Swiper 默认样式) */
.swiper-pagination-custom {
    position: absolute;
    top: 10px !important;
    /* 位于图片下方，文字上方 */
    bottom: auto !important;
    left: 0;
    width: 100%;
    text-align: center;
    z-index: 10;
}

/* 分页器圆点样式 */
.swiper-pagination-bullet {
    width: 8px;
    height: 8px;
    background: #ccc;
    opacity: 1;
    margin: 0 4px !important;
    transition: all 0.3s;
}

/* 激活的圆点样式 */
.swiper-pagination-bullet-active {
    background: #00479d;
    /* 蓝色高亮 */
    width: 8px;
    border-radius: 50%;
}

/* 顶部蓝色头部 */
.list-header {
    background-color: #0445b3;
    border-radius: 0 0 20px 20px;
    /* 圆角 */
    padding: 30px;
    display: flex;
    align-items: flex-start;
    color: #fff;
    margin-bottom: 20px;
    box-shadow: 0 5px 15px rgba(0, 71, 157, 0.2);
    flex-shrink: 0;
    /* 防止被挤压 */
}

/* 左侧日期盒子 */
.header-date {
    border-right: 1px solid rgba(255, 255, 255, 0.3);
    padding-right: 20px;
    margin-right: 20px;
    text-align: center;
    min-width: 100px;
}

.header-date .date-main {
    display: block;
    font-size: 32px;
    font-weight: bold;
    line-height: 1;
    margin-bottom: 5px;
    color: #fff;
}

.header-date .date-year {
    display: block;
    font-size: 16px;
    opacity: 0.9;
    text-align: right;
    color: #fff;
}

/* 右侧文字内容 */
.header-content {
    flex: 1;
}

.header-title {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 12px;
    line-height: 1.4;
    color: #fff;
}

.header-desc {
    font-size: 14px;
    color: #fff;
    opacity: 0.8;
    line-height: 1.6;
    text-align: justify;
    /* 限制显示2行 */
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
}

/* 列表区域 */
.list-body {
    flex: 1;
    padding: 0 10px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

/* 单个列表项 */
.list-item {
    display: flex;
    align-items: center;
    padding: 6px 0;
    border-bottom: 1px dashed #ddd;
    /* 虚线分割 */
    font-size: 15px;
    color: #333;
    text-decoration: none;
    transition: all 0.3s;
}

/* 最后一个不显示下划线 */
.list-item:last-child {
    border-bottom: none;
}

.list-item:hover {
    color: #00479d;
    background-color: rgba(255, 255, 255, 0.5);
    /* 悬停微微变色 */
}

/* 蓝色圆点 */
.item-dot {
    width: 8px;
    height: 8px;
    background-color: #00479d;
    border-radius: 50%;
    margin-right: 15px;
    flex-shrink: 0;
}

/* 标题文字 */
.item-title {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    /* 超出显示省略号 */
    margin-right: 20px;
}

/* 列表日期 */
.item-date {
    color: #666;
    font-size: 14px;
    font-family: Arial, sans-serif;
    flex-shrink: 0;
}

/* 通知列表 */
.notice-card {
    /* width: 600px;
    height: 560px; */
    /* background: linear-gradient(135deg, #155db5 0%, #00479d 100%); */
    padding: 0px 10px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    /* box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1); */
    color: #fff;
}

.notice-card a:hover{
     text-decoration: underline;
     color: #fff;
}

.date-item-title{
    flex: 1;
    padding: 6px 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-right: 20px;
    color: #fff;
    font-size: 15px;
}
.date-item-date{
    color: #fff;
    font-size: 15px;
    font-family: Arial, sans-serif;
    flex-shrink: 0;
}
.notice-item {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: #fff;
    cursor: pointer;
    padding: 3px 0;
    transition: transform 0.2s;
}

.notice-title:hover {

    text-decoration: none;

}

.date-box {
    width: 90px;
    height: 50px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border-radius: 12px;
    background-color: transparent;
    margin-right: 25px;
    flex-shrink: 0;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.date-day {
    font-size: 30px;
    font-weight: bold;
    line-height: 1;
    /*margin-bottom: 4px;*/
}

.date-year {
    font-size: 14px;
    font-family: Arial, sans-serif;
}

.notice-title {
    font-size: 16px;
    color: #fff;
    line-height: 1.5;
    flex: 1;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s;
}

.notice-item:hover .date-box {
    /* background-color: #fff; */
    color: #00479d;
    /* box-shadow: 6px 6px 0px rgba(0, 0, 0, 0.2); */
    transform: translateY(-2px);
    background-image: url(../img/zu.png);
    background-size: 100% 100%;
    background-repeat: no-repeat;
}

.notice-item:hover .notice-title {
    text-decoration: underline;
    text-underline-offset: 4px;
}



.main-container {
    width: 100%;
}

.card-list {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    /* margin-bottom: 40px; */
    min-height: 450px;
    align-content: flex-start;
}

/* --- 卡片样式 --- */
.lecture-card {
    width: 46%;
    background: #F7F7F7;
    position: relative;
    padding-bottom: 10px;
    transition: box-shadow 0.3s;
    /* 默认显示，JS会控制 display: none */
    display: block;
}

.lecture-card:hover {
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* .card-img-box {
    width: 100%;
    height: 220px;
    position: relative;
}

.card-img-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
} */

.date-badge {
    position: absolute;
    bottom: -25px;
    left: 0;
    width: 60px;
    height: 50px;
    background-color: #0445b3;
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 2;
}

.date-day {
    font-size: 18px;
    font-weight: bold;
    line-height: 1.1;
}

.date-full {
    font-size: 12
px;
    opacity: 0.9;
}

.card-title {
    font-size: 16px;
    color: #000;
    font-weight: bold;
    margin-bottom: 20px;
    line-height: 1.4;
    height: 22px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 1;
}

.info-list {
    list-style: none;
}

.info-item {
    font-size: 14px;
    color: #666;
    margin-bottom: 12px;
    line-height: 1.5;
    display: flex;
}

.info-zt{
    color: #0445b3;
    border-top: 1px dashed #0445b3;
    padding: 6px 0  3px;
    margin-bottom: 0px;
}

.info-zt .info-label{
    color: #0545B3;
}

.info-zj{
    color: #0545B3;
    padding: 3px 0  6px;
    border-bottom: 1px dashed #0545B3;
}
.info-zj .info-label{
    color: #0545B3;
}


.info-label {
    color: #999;
    width: 45px;
    flex-shrink: 0;
}

.info-text {
    flex: 1;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 1;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* --- 分页器样式 --- */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px 0 52px 0;
    gap: 15px;
    user-select: none;
}

.page-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid #00479d;
    color: #00479d;
    background: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: all 0.3s;
}

.page-btn svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
}

.page-btn:hover {
    background-color: #00479d;
    color: #fff;
}

/* 禁用状态 */
.page-btn.disabled {
    border-color: #ddd;
    color: #ccc;
    cursor: not-allowed;
    pointer-events: none;
}

.page-btn.disabled:hover {
    background-color: #fff;
    color: #ccc;
}

.page-numbers {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 16px;
    color: #ccc;
}

.num-item {
    cursor: pointer;
    padding: 0 5px;
}

.num-item.active {
    color: #00479d;
    font-weight: bold;
    font-size: 20px;
}

.num-item:hover:not(.active) {
    color: #666;
}

.separator {
    font-size: 14px;
    margin-top: 2px;
}

.section-container {
    display: flex;
    align-items: stretch;
    /* 让左侧标题和右侧卡片高度协调 */
    /* width: 1200px; */
    padding: 20px 0;
}

/* --- 左侧标题区域 --- */
.section-title-box {
    margin-right: 75px;
    padding-left: 40px;
    display: flex;
    position: relative;
}

/* 金色竖线装饰 */
.section-title-box::before {
    content: '';
    position: absolute;
    left: 0;
    top: 12%;
    transform: translateY(-50%);
    width: 4px;
    height: 60px;
    background-color: #c5a47e;
}

.section-title-text {
    font-family: "SimSun", "Songti SC", serif;
    font-size: 48px;
    font-weight: bold;
    color: #22498D;
    writing-mode: vertical-lr;
    letter-spacing: 10px;
}

/* --- 右侧卡片列表 --- */
.cards-wrapper {
    flex: 1;
    display: flex;
    gap: 20px;
}

/* --- 单个卡片样式 --- */
.academic-card {
    flex: 1;
    background-color: #00479d;
    color: #fff;
    padding: 25px 20px 15px 20px;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s, box-shadow 0.3s;
    position: relative;
    box-shadow: 0 5px 15px rgba(0, 71, 157, 0.2);
}

.academic-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 71, 157, 0.3);
}

/* 1. 姓名 (顶部右对齐) */
.card-name {
    text-align: right;
    font-size: 22px;
    font-weight: bold;
    margin-bottom: 10px;
    letter-spacing: 1px;
    color: #fff;
}

/* 2. 分割线 */
.card-divider {
    width: 100%;
    height: 1px;
    background-color: rgba(255, 255, 255, 0.3);
    margin-bottom: 15px;
}

/* 3. 描述文字 */
.card-desc2 {
    font-size: 15px;
    color: #fff;
    line-height: 1.5;
    min-height: 66px;
    /* 限制高度，约两行 */
    overflow: hidden;
    margin-bottom: 20px;
    opacity: 0.9;
}

/* 4. 图片容器 */
.card-img-box {
    width: 100%;
    height: 220px;
    background-color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 10px;
    position: relative;
}

.card-img-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 5. 底部箭头 */
.card-footer {
    text-align: right;
    margin-top: auto;
}

.arrow-icon {
    display: inline-block;
    width: 20px;
    height: 20px;
}

.arrow-svg {
    fill: #fff;
    width: 24px;
    height: 24px;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.academic-card:hover .arrow-svg {
    opacity: 1;
}

/* --- 网格容器 --- */
.grid-container {
    width: 100%;
    height: 600px;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    grid-template-rows: repeat(3, 1fr);
    gap: 4px;
    background-color: #fff;
    padding: 4px;
}

/* --- 单个网格项 --- */
.grid-item {
    position: relative;
    overflow: hidden;
    cursor: pointer;
    background-color: #ddd;
}

/* 特殊处理：第一个项目（左侧大图）跨越3行 */
.grid-item.large-item {
    grid-row: span 3;
}

/* --- 图片样式 --- */
.grid-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}

/* --- 悬停遮罩层 (蓝底白字) --- */
.hover-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #0445b3a8;
    color: #fff;
    opacity: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 20px;
    text-align: center;
    transition: opacity 0.3s ease;
    z-index: 2;
}

/* 遮罩层内的文字样式 */
.hover-title {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 10px;
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

.hover-desc {
    font-size: 14px;
    line-height: 1.5;
    opacity: 0.9;
    transform: translateY(20px);
    transition: transform 0.3s ease 0.1s;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 4;
    overflow: hidden;
}

/* --- 左上角标签 (如：党委会议) --- */
.tag-label {
    position: absolute;
    top: 20px;
    left: 0;
    background-color: #00479d;
    color: #fff;
    padding: 8px 20px;
    font-size: 14px;
    border-top-right-radius: 20px;
    border-bottom-right-radius: 20px;
    z-index: 3;
    /* 在遮罩层之上 */
    box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.2);
}

/* --- 鼠标悬停交互 --- */
.grid-item:hover .hover-overlay {
    opacity: 1;
    /* 显示遮罩 */
}

.grid-item:hover .hover-title,
.grid-item:hover .hover-desc {
    transform: translateY(0);
    /* 文字上浮归位 */
}

/* 可选：鼠标悬停时图片稍微放大 */
.grid-item:hover img {
    transform: scale(1.05);
}