/* CSS变量定义 - 更规范的命名约定 */
:root {
    /* 主色调 - 蓝色系 */
    --primary-color: #0055A4;
    --primary-color-light: #2E97D8;
    --primary-color-dark: #003366;

    /* 辅助色 */
    --secondary-color: #6c5ce7;
    --secondary-color-light: #a29bfe;

    /* 文本颜色 */
    --text-primary: #333333;
    --text-secondary: #666666;
    --text-light: #999999;
    --text-white: #ffffff;

    /* 背景色 */
    --bg-primary: #ffffff;
    --bg-secondary: #f9f9f9;
    --bg-tertiary: #f0f0f0;

    /* 边框和分隔线 */
    --border-color: #eeeeee;
    --divider-color: #dddddd;

    /* 阴影 */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 5px 20px rgba(0, 0, 0, 0.15);

    /* 圆角 */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;

    /* 过渡动画 */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* 字体 */
    --font-main: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;

    /* 尺寸和间距 */
    --header-height: 80px;
    --spacing-xs: 5px;
    --spacing-sm: 10px;
    --spacing-md: 20px;
    --spacing-lg: 30px;
    --spacing-xl: 40px;
    --spacing-xxl: 60px;

    /* 内容区域最大宽度 */
    --max-content-width: 1600px;}

/* 全局重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;}

html {
    font-size: 16px;
    scroll-behavior: smooth;}

body {
    font-family: var(--font-main);
    color: var(--text-primary);
    line-height: 1.7;
    background-color: var(--bg-secondary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;}

/* 容器样式 */
.container {
    width: 100%;
    max-width: var(--max-content-width);
    margin: 0 auto;
    padding: 0 20px 0 5px;}

/* 通用链接样式 */
a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-normal);}

a:hover {
    color: var(--primary-color-light);}

/* 图片优化 */
img {
    max-width: 100%;
    height: auto;
    display: block;}

/* 标题样式重置 */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);}

/* 段落样式 */
p {
    margin-bottom: var(--spacing-md);}

/* 头部样式 */
.header {
    background: linear-gradient(to right, #003377, #006633);
    color: var(--text-white);
    padding: 10px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);}

.logo a {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    text-decoration: none;
    color: var(--text-white);
    width: 100%;}

.logo-image {
    width: 80px;
    height: 80px;
    object-fit: contain;
    margin-right: 10px;
    transition: var(--transition-normal);}

.logo-image:hover {
    transform: scale(1.05);}

/* 右侧院徽样式 */
.logo-image-right {
    width: 80px;
    height: 80px;
    object-fit: contain;
    margin-left: 10px;
    transition: var(--transition-normal);}

.logo-image-right:hover {
    transform: scale(1.05);}

.logo h1 {
    font-size: 22px;
    font-weight: 700;
    white-space: nowrap;
    letter-spacing: 0;
    text-align: center;
    margin: 0;
    padding: 10px 0;
    color: var(--text-white);}

/* 头部容器布局优化 */
.header .container {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    width: 100%;
    position: relative;}

/* 确保logo和学院名称在左侧 */
.header .container>.logo {
    margin-right: auto;}

/* 导航菜单样式 */
.nav {
    display: block;
    width: 100%;
    margin-top: 10px;
    text-align: center;}

.nav-list {
    list-style: none;
    display: flex;
    flex-wrap: nowrap;
    gap: 0;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 5px 0;
    -ms-overflow-style: none;
    scrollbar-width: none;
    margin: 0 auto;}

.nav-list::-webkit-scrollbar {
    display: none;}

.nav-item {
    position: relative;}

.nav-item a {
    display: block;
    padding: 10px 15px;
    color: var(--text-white);
    text-decoration: none;
    transition: var(--transition-normal);
    font-weight: 500;
    position: relative;
    font-size: 15px;
    min-width: max-content;}

.nav-item:hover a,
.nav-item.active a {
    background-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-1px);}

.nav-item.active a::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 15px;
    right: 15px;
    height: 2px;
    background-color: var(--text-white);
    border-radius: 1px;}

.dropdown-icon {
    font-size: 10px;
    margin-left: 5px;
    display: inline-block;
    transition: transform var(--transition-normal);}

.nav-item:hover .dropdown-icon {
    transform: rotate(180deg);}

/* 下拉菜单样式 */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--bg-primary);
    box-shadow: var(--shadow-lg);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    min-width: 180px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity var(--transition-normal), transform var(--transition-normal), visibility var(--transition-normal);
    z-index: 9999;
    padding: 0;
    margin: 0;}

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

.dropdown-menu li {
    list-style: none;
    border-bottom: 1px solid var(--border-light);}

.dropdown-menu li:last-child {
    border-bottom: none;
    border-radius: 0 0 var(--radius-md) var(--radius-md);}

.dropdown-menu li a {
    display: block;
    padding: 12px 18px;
    color: var(--text-primary);
    font-size: 14px;
    white-space: nowrap;
    font-weight: normal;
    background: transparent;
    transition: padding-left var(--transition-normal), color var(--transition-normal), background-color var(--transition-normal);}

.dropdown-menu li a:hover {
    background-color: var(--bg-light);
    color: var(--primary-color);
    padding-left: 22px;}

/* 二级下拉菜单样式 */
.dropdown-menu .nav-item {
    position: relative;}

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

.dropdown-menu .dropdown-menu {
    top: 0;
    left: 100%;
    transform: translateX(-10px);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    cursor: pointer;
    width: 30px;
    height: 20px;
    position: relative;
    z-index: 1001;}

.mobile-menu-btn span {
    display: block;
    position: absolute;
    height: 3px;
    width: 100%;
    background: var(--color-white);
    border-radius: 3px;
    transition: var(--transition);}

.mobile-menu-btn span:nth-child(1) {
    top: 0;}

.mobile-menu-btn span:nth-child(2) {
    top: 50%;
    transform: translateY(-50%);}

.mobile-menu-btn span:nth-child(3) {
    bottom: 0;}

/* Banner轮播样式 */
.banner {
    position: relative;
    overflow: hidden;
    height: 750px;
    margin-bottom: var(--spacing-lg);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    box-shadow: var(--shadow-md);}

.banner-container {
    height: 100%;
    position: relative;}

.banner-slides {
    height: 100%;
    position: relative;}

.banner-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-long), visibility var(--transition-long);}

.banner-slide.active {
    opacity: 1;
    visibility: visible;
    z-index: 1;}

.banner-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);}

.banner-slide:hover .banner-image {
    transform: scale(1.03);}

.banner-content {
    position: absolute;
    bottom: 40px;
    left: 60px;
    right: 60px;
    color: var(--text-white);
    z-index: 2;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0));
    padding: 30px;
    border-radius: 0 0 var(--radius-md) var(--radius-md);}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translate(-50%, -60%);}

    to {
        opacity: 1;
        transform: translate(-50%, -50%);}
}

.banner-content h2 {
    font-size: 34px;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-white);
    line-height: 1.3;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    margin: 0 0 var(--spacing-md) 0;
    white-space: normal;
    word-wrap: break-word;}

.banner-content p {
    font-size: 18px;
    color: var(--text-white);
    margin: 0;
    white-space: normal;
    word-wrap: break-word;}

/* 轮播控制按钮样式 */
.banner-controls {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 3;
    pointer-events: none;}

.banner-prev,
.banner-next {
    background-color: rgba(255, 255, 255, 0.2);
    color: var(--text-white);
    border: none;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
    transition: background-color var(--transition-normal), transform var(--transition-normal), box-shadow var(--transition-normal);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    opacity: 1;
    pointer-events: all;}

.banner:hover .banner-prev,
.banner:hover .banner-next {
    opacity: 1;}

.banner-prev:hover,
.banner-next:hover {
    background-color: rgba(255, 255, 255, 0.4);
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);}

/* 轮播指示器 */
.banner-indicators {
    position: absolute;
    bottom: 25px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    background-color: rgba(0, 0, 0, 0.3);
    padding: 5px 15px;
    border-radius: 20px;
    backdrop-filter: blur(5px);
    z-index: 3;}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.8);
    background-color: transparent;
    cursor: pointer;
    transition: background-color var(--transition-normal), transform var(--transition-normal);}

.indicator.active {
    background-color: var(--text-white);
    width: 30px;
    border-radius: 5px;
    border-color: var(--text-white);
    transform: scale(1.1);}

.indicator:hover {
    background-color: var(--text-white);
    transform: scale(1.1);}

/* 顶部横幅样式 */
.page-banner {
    height: 220px;
    background-size: cover;
    background-position: center;
    position: relative;
    margin-bottom: 30px;}

.banner-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0) 100%);
    color: white;}

.banner-content h1 {
    font-size: 2.2rem;
    margin: 0;}

/* 主内容区域 */
.main-content {
    padding: var(--spacing-lg) 0;
    background-color: var(--bg-secondary);
    display: flex;
    gap: 30px;}

.page-content-container {
    display: flex;
    gap: 30px;
    margin-top: 20px;}

/* 侧边栏样式 */
.sidebar {
    width: 250px;
    flex-shrink: 0;}

.modern-sidebar {
    position: sticky;
    top: 100px;
    margin-right: 30px;}

.sidebar-nav {
    background: #ffffff;
    border-radius: 16px;
    padding: 0 0 16px;
    box-shadow: 0 12px 24px rgba(11, 90, 165, 0.08);}

.modern-sidebar-list,
.sidebar-nav ul {
    list-style: none;
    padding: 0;
    margin: 0 16px;
    border-radius: 12px;
    overflow: hidden;}

.sidebar-nav ul+ul {
    margin-top: 8px;}

.sidebar-section-title {
    background: linear-gradient(to right, #003377, #006633);
    color: #ffffff;
    padding: 18px 24px;
    font-size: 20px;
    font-weight: 600;
    margin: 0;
    border-radius: 16px 16px 0 0;
    display: flex;
    align-items: center;
    gap: 10px;}

.sidebar-nav .sidebar-item {
    border: none;}

.sidebar-nav .sidebar-item a {
    display: block;
    margin: 4px 0;
    padding: 14px 18px;
    color: #333333;
    text-decoration: none;
    transition: all 0.3s ease;
    background-color: #f5f7fb;
    border-radius: 10px;}

.sidebar-nav .sidebar-item a:hover {
    background-color: #e8f0ff;
    color: #0b5aa5;}

.sidebar-nav .sidebar-item.active a {
    background: linear-gradient(90deg, #8c1f7a 0%, #aa2d91 100%);
    color: #ffffff;
    box-shadow: 0 10px 18px rgba(140, 31, 122, 0.3);}

/* 内容通用样式 */
.content {
    flex: 1;
    background-color: #ffffff;
    border-radius: 16px;
    box-shadow: 0 12px 24px rgba(11, 90, 165, 0.06);
    padding: 30px;}

.section {
    margin-bottom: 40px;}

.section:last-child {
    margin-bottom: 0;}

.section h2 {
    color: #0b5aa5;
    font-size: 24px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #e83e8c;}

.section h3 {
    color: #444;
    font-size: 18px;
    margin: 25px 0 15px;}

.section-content {
    margin-top: 15px;}

.section-content p {
    margin-bottom: 15px;
    line-height: 1.8;
    color: #333333;}

.section-content ul,
.section-content ol {
    margin-bottom: 15px;
    padding-left: 25px;}

.section-content li {
    margin-bottom: 8px;
    line-height: 1.6;
    color: #666666;}

.section-content table.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: 15px 0;
    font-size: 14px;}

.section-content table.comparison-table th,
.section-content table.comparison-table td {
    border: 1px solid #ddd;
    padding: 10px 12px;
    text-align: left;}

.section-content table.comparison-table th {
    background-color: #0b5aa5;
    color: white;
    font-weight: 600;}

.section-content table.comparison-table tr:nth-child(even) td {
    background-color: #f9f9f9;}

.section-content table.comparison-table tr:hover td {
    background-color: #f0f7ff;}

.guide-banner {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    padding: 25px 30px;
    margin: 20px 0;
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);}

.guide-banner h3 {
    color: white;
    font-size: 20px;
    margin: 0 0 15px 0;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 10px;
    margin-top: 15px;}

.contact-info p {
    margin: 5px 0;
    font-size: 14px;
    color: white;}

.contact-info strong {
    font-weight: 600;}

/* 学生事务侧边导航优化 */

.sidebar--student .sidebar-subsection-title {
    margin: 18px 24px 10px;
    font-size: 14px;
    color: #0b5aa5;
    letter-spacing: 1px;
    position: relative;
    text-transform: uppercase;}

.sidebar--student .sidebar-subsection-title::before {
    content: '';
    position: absolute;
    left: -12px;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 14px;
    background-color: #8c1f7a;
    border-radius: 2px;}

/* 内容区域 */
.content-area {
    flex: 1;
    min-width: 0;}

/* 面包屑导航样式 */
.breadcrumb {
    margin: 20px 0;
    font-size: 14px;
    color: var(--color-gray);
    background-color: var(--color-white);
    padding: 12px 20px;
    border-radius: var(--border-radius);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    display: inline-block;}

.breadcrumb a {
    color: var(--color-gray);
    text-decoration: none;
    transition: color 0.3s ease;
    position: relative;
    padding: 0 8px;}

.breadcrumb a:hover {
    color: #6c5ce7;}

.breadcrumb .current {
    color: #6c5ce7;
    font-weight: 600;}

.breadcrumb>span+span::before {
    content: '>';
    margin: 0 8px;
    color: #ccc;
    font-size: 12px;}

/* 位置提示栏 - 现代样式 */
.location-bar {
    margin: 20px 0;}

.location-bar.location-bar--modern {
    display: flex;
    align-items: stretch;
    justify-content: space-between;
    background: linear-gradient(to right, #003377, #006633);
    border-radius: 12px;
    box-shadow: 0 6px 18px rgba(0, 51, 119, 0.2);
    overflow: hidden;
    color: #ffffff;
    min-height: 68px;
    padding: 0;}

.location-bar.location-bar--modern::before {
    display: none;}

.location-bar__title {
    position: relative;
    padding: 18px 54px 18px 42px;
    font-size: 22px;
    font-weight: 600;
    letter-spacing: 1px;
    line-height: 1;
    display: flex;
    align-items: center;
    background: rgba(0, 0, 0, 0.08);
    gap: 18px;}

.location-bar__title::after {
    content: '';
    position: absolute;
    right: -24px;
    top: 0;
    width: 0;
    height: 0;
    border-top: 34px solid transparent;
    border-bottom: 34px solid transparent;
    border-left: 24px solid rgba(0, 0, 0, 0.08);}

.location-bar__title-main {
    font-size: 22px;
    font-weight: 600;}

.location-bar__title-sub {
    position: relative;
    padding-left: 18px;
    font-size: 16px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);}

.location-bar__title-sub::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 2px;
    height: 18px;
    background: rgba(255, 255, 255, 0.6);}

.location-bar__breadcrumbs {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding: 0 32px;
    gap: 12px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.85);}

.location-bar__breadcrumbs .breadcrumbs-label {
    display: flex;
    align-items: center;
    gap: 8px;}

.location-bar__breadcrumbs .breadcrumbs-label::before {
    content: '馃搷';
    font-size: 16px;}

.location-bar__breadcrumbs a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: color 0.3s ease;
    position: relative;
    padding: 0 6px;
    font-weight: 400;}

.location-bar__breadcrumbs a:hover {
    color: #ffffff;}

.location-bar__breadcrumbs span {
    margin: 0 4px;
    color: rgba(255, 255, 255, 0.6);}

.location-bar__breadcrumbs .current {
    color: #ffffff;
    font-weight: 600;}

.location-bar__breadcrumbs .separator {
    margin: 0 6px;
    color: rgba(255, 255, 255, 0.6);}

/* 棣栭〉鍐呭缃戞牸甯冨眬浼樺寲 */
.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-top: 30px;
    margin: 0 auto;
    width: 100%;
    margin-bottom: var(--spacing-xl);}

/* 纭繚姣忎釜鍐呭妯″潡姝ｇ‘鏄剧ず */
.content-module {
    background-color: var(--bg-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);}

.content-module:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);}

/* 鍝嶅簲寮忎晶杈规爮 */
@media (max-width: 768px) {
    .main-content {
        flex-direction: column;}

    .sidebar {
        width: 100%;}

    .modern-sidebar {
        position: static;}

    .sidebar-nav {
        width: 100%;}
}

/* 鍐呭妯″潡鏍峰紡 */
.content-module {
    background-color: var(--color-white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    height: 100%;}

.content-module:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-hover);}

.module-header {
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--bg-light);
    border-bottom: 1px solid var(--border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;}

.module-header h3 {
    font-size: 18px;
    font-weight: 600;
    margin: 0;
    color: var(--color-primary-start);}

.module-header h3 {
    font-size: 18px;
    font-weight: 600;
    margin: 0;}

.more-link {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 14px;
    transition: color var(--transition-normal), transform var(--transition-normal);
    display: flex;
    align-items: center;
    gap: 5px;}

.more-link:hover {
    color: var(--primary-color-light);}

.more-link::after {
    content: '→';
    font-size: 12px;
    transition: transform 0.3s ease;}

.more-link:hover {
    text-decoration: none;
    opacity: 0.9;}

.more-link:hover::after {
    transform: translateX(3px);}

.module-content {
    padding: var(--spacing-md);
    flex: 1;}

/* 新闻列表样式 */
.news-list {
    list-style: none;}

.news-item {
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-light-gray);
    display: flex;
    align-items: flex-start;
    transition: transform 0.2s ease;}

.news-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;}

.news-item:hover {
    transform: translateX(5px);}

.news-date {
    display: inline-block;
    font-size: 13px;
    color: var(--color-gray);
    margin-right: 10px;
    min-width: 80px;
    text-align: right;
    font-weight: 500;}

.news-title {
    color: var(--color-text);
    text-decoration: none;
    transition: var(--transition);
    font-size: 14px;
    line-height: 1.5;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;}

.news-title:hover {
    color: var(--color-primary-start);
    text-decoration: none;}

/* 页脚样式 */
.footer {
    background: linear-gradient(to right, #003377, #006633);
    color: #ffffff;
    padding: 60px 0 40px;
    margin-top: 80px;
    position: relative;
    overflow: hidden;}

.footer::before,
.footer::after {
    content: '';
    position: absolute;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
    filter: blur(0);}

.footer::before {
    top: -60px;
    left: -60px;}

.footer::after {
    bottom: -80px;
    right: -40px;}

.footer .container {
    position: relative;
    z-index: 1;}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 24px;
    margin-bottom: 30px;}

.footer-info h4,
.footer-links h4,
.footer-contact h4 {
    display: none;}

.footer-info p,
.footer-contact p {
    margin: 4px 0;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.92);
    line-height: 1.8;}

.footer-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    font-size: 14px;}

.footer-info::before {
    content: '重庆邮电大学远东联邦大学联合学院';
    font-weight: 600;
    font-size: 18px;
    margin-bottom: 12px;
    letter-spacing: 1px;}

.footer-links ul {
    display: flex;
    align-items: center;
    gap: 24px;
    list-style: none;
    margin: 0;
    padding: 0;}

.footer-links ul::before {
    content: '友情链接';
    font-weight: 600;
    margin-right: 8px;
    letter-spacing: 1px;}

.footer-links li {
    position: relative;
    font-size: 14px;}

.footer-links li:not(:last-child)::after {
    content: '|';
    margin-left: 24px;
    color: rgba(255, 255, 255, 0.7);}

.footer-links a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: opacity 0.3s ease;}

.footer-links a:hover {
    opacity: 1;}

.qrcode-container {
    display: none;}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 14px;}

.footer-contact::before {
    content: '联系我们';
    font-weight: 600;
    margin-bottom: 4px;
    letter-spacing: 1px;}

.footer-contact p {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;}

.footer-contact p::before {
    content: '';}

.footer-copyright {
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 18px;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.85);
    letter-spacing: 0.5px;}

/* 响应式优化 */
@media (max-width: 1200px) {
    .container {
        max-width: 100%;}

    .banner {
        height: 400px;}

    .banner-content h2 {
        font-size: 30px;}

    .banner-content p {
        font-size: 16px;}
}

@media (max-width: 992px) {
    .logo h1 {
        font-size: 16px;}

    .nav-list {
        gap: 2px;}

    .nav-item a {
        padding: 8px 10px;
        font-size: 13px;}

    .banner {
        height: 350px;}

    .banner-content {
        padding: 20px 30px;}

    .banner-content h2 {
        font-size: 24px;}

    .content-grid {
        grid-template-columns: repeat(2, 1fr);}
}

@media (max-width: 768px) {
    .header .container {
        display: flex;
        justify-content: space-between;
        align-items: center;}

    .mobile-menu-btn {
        display: block;}

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background-color: var(--color-primary-start);
        padding: 80px 20px 20px;
        transition: var(--transition);
        z-index: 1000;
        overflow-y: auto;}

    .nav.active {
        right: 0;}

    .nav-list {
        flex-direction: column;
        gap: 0;}

    .nav-item {
        width: 100%;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);}

    .nav-item a {
        padding: 15px 0;
        border-radius: 0;}

    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        background-color: rgba(255, 255, 255, 0.1);
        max-height: 0;
        overflow: hidden;}

    .nav-item:hover .dropdown-menu {
        max-height: 500px;}

    .dropdown-menu li a {
        color: var(--color-white);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        padding-left: 20px;}

    .dropdown-menu li a:hover {
        background-color: rgba(255, 255, 255, 0.2);}

    .banner {
        height: 300px;}

    .banner-content h2 {
        font-size: 20px;}

    .banner-content p {
        font-size: 14px;}

    .content-grid {
        grid-template-columns: 1fr;}

    .footer-content {
        gap: 20px;}
}

@media (max-width: 576px) {

    .logo h1 {
        font-size: 14px;}

    .banner {
        height: 250px;}

    .banner-content {
        padding: 15px 20px;}

    .banner-content h2 {
        font-size: 18px;
        margin-bottom: 10px;}

    .banner-prev,
    .banner-next {
        width: 30px;
        height: 30px;
        font-size: 18px;}

    .footer-content {
        grid-template-columns: 1fr;}
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .container {
        max-width: 100%;}
}

/* 特色新闻模块样式 */
.news-feature .module-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);}

.featured-news {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-lg);
    background-color: var(--bg-white);
    padding: var(--spacing-md);
    transition: box-shadow var(--transition-normal);}

.featured-news:hover {
    box-shadow: var(--shadow-lg);}

.featured-link {
    display: block;
    text-decoration: none;
    color: var(--text-primary);
    transition: transform var(--transition-normal);
    position: relative;}

.featured-link:hover {
    transform: translateY(-2px);}

.featured-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    transition: transform var(--transition-normal);}

.featured-link:hover .featured-image {
    transform: scale(1.03);}

.featured-news h4 {
    margin: var(--spacing-md) 0 var(--spacing-sm);
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    transition: color var(--transition-normal);}

.featured-link:hover h4 {
    color: var(--primary-color);}

.news-summary {
    margin: 0;
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;}

/* 日期标签样式 */
.date-tag {
    position: absolute;
    top: 15px;
    left: 15px;
    background: linear-gradient(135deg, #6c5ce7, #a29bfe);
    color: white;
    padding: 8px 12px;
    border-radius: 6px;
    text-align: center;
    min-width: 60px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;}

.date-tag.purple {
    background: linear-gradient(135deg, #6c5ce7, #a29bfe);}

.date-day {
    font-size: 20px;
    font-weight: bold;
    line-height: 1;}

.date-month {
    font-size: 12px;
    margin: 4px 0;}

.date-week {
    font-size: 10px;
    opacity: 0.9;}

/* 现代新闻列表样式 */
.modern-news-list {
    list-style: none;
    padding: 0;
    margin: 0;}

.modern-news-list .news-item {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    transition: all var(--transition-normal);}

.modern-news-list .news-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;}

.modern-news-list .news-item:hover {
    background-color: var(--bg-tertiary);
    padding-left: var(--spacing-sm);
    transform: translateX(0);}

.news-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-primary);
    width: 100%;}

.news-thumb {
    width: 70px;
    height: 70px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    margin-right: var(--spacing-md);
    flex-shrink: 0;
    transition: transform var(--transition-normal);}

.modern-news-list .news-item:hover .news-thumb {
    transform: scale(1.05);}

.news-link .news-title {
    flex: 1;
    font-size: 14px;
    color: var(--text-primary);
    transition: color var(--transition-normal);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    margin: 0;
    padding-right: 15px;
    position: relative;
    line-height: 1.5;}

.news-link .news-title::after {
    content: '»';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    color: var(--primary-color);
    font-size: 12px;
    font-weight: bold;
    transition: transform var(--transition-normal);}

.news-link:hover .news-title {
    color: var(--primary-color);
    text-decoration: none;}

.news-link:hover .news-title::after {
    transform: translateY(-50%) translateX(3px);}

.news-link .news-date {
    color: var(--text-light);
    font-size: 12px;
    flex-shrink: 0;
    margin-left: var(--spacing-sm);
    min-width: auto;
    text-align: left;
    font-weight: 500;}

/* 通知列表样式 */
.notice-list {
    list-style: none;}

.notice-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--color-light-gray);
    position: relative;
    transform: none;
    transition: all 0.3s ease;}

.notice-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;}

.notice-item .date-tag {
    position: relative;
    margin-right: 15px;
    flex-shrink: 0;
    top: 0;
    left: 0;}

.notice-link {
    display: flex;
    flex-direction: column;
    flex: 1;
    text-decoration: none;}

.notice-title {
    font-size: 14px;
    color: var(--color-text);
    margin-bottom: 8px;
    transition: color 0.3s ease;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.5;
    font-weight: 500;}

.notice-link:hover .notice-title {
    color: #6c5ce7;}

.notice-summary {
    font-size: 12px;
    color: #666;
    line-height: 1.6;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;}

.notice-link:hover .notice-summary {
    color: #888;}

.notice-date {
    font-size: 12px;
    color: var(--color-gray);
    margin-top: auto;}

/* 卡片模块样式 */
.card-module {
    margin-bottom: var(--spacing-xl);}

.card-module .card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);}

.info-card {
    background-color: var(--bg-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    position: relative;}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);}

.card-img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    transition: transform var(--transition-normal);}

.info-card:hover .card-img {
    transform: scale(1.05);}

.card-content {
    padding: var(--spacing-lg);
    background-color: #fff;}

.info-card h4 {
    margin: 0 0 var(--spacing-sm);
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    transition: color var(--transition-normal);}

.info-card p {
    margin: 0 0 var(--spacing-md);
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;}

.card-link {
    display: inline-flex;
    align-items: center;
    font-size: 14px;
    font-weight: 500;
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-normal), transform var(--transition-normal);}

.card-link::after {
    content: '>';
    margin-left: 5px;
    transition: transform var(--transition-normal);}

.card-link:hover {
    color: var(--primary-color-light);
    text-decoration: none;}

.card-link:hover::after {
    transform: translateX(3px);}

/* 彩色卡片样式 */
.purple-card::before,
.blue-card::before,
.green-card::before,
.red-card::before,
.yellow-card::before,
.teal-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;}

.purple-card::before {
    background-color: #6c5ce7;}

.blue-card::before {
    background-color: #3498db;}

.green-card::before {
    background-color: #2ecc71;}

.red-card::before {
    background-color: #e74c3c;}

.yellow-card::before {
    background-color: #f39c12;}

.teal-card::before {
    background-color: #1abc9c;}

.purple-card .card-content {
    background: linear-gradient(135deg, rgba(108, 92, 231, 0.1), rgba(162, 155, 254, 0.1));}

.blue-card .card-content {
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.1), rgba(93, 173, 226, 0.1));}

.green-card .card-content {
    background: linear-gradient(135deg, rgba(46, 204, 113, 0.1), rgba(88, 214, 141, 0.1));}

.red-card .card-content {
    background: linear-gradient(135deg, rgba(231, 76, 60, 0.1), rgba(241, 112, 128, 0.1));}

.yellow-card .card-content {
    background: linear-gradient(135deg, rgba(241, 196, 15, 0.1), rgba(245, 222, 179, 0.1));}

.teal-card .card-content {
    background: linear-gradient(135deg, rgba(26, 188, 156, 0.1), rgba(46, 204, 113, 0.1));}

/* 模块图标样式 */
.module-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    margin-right: 8px;
    color: var(--color-primary-start);
    font-size: 16px;
    font-weight: bold;}

/* 响应式卡片布局 */
@media (min-width: 768px) {
    .card-module .card-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));}
}

/* 响应式内容优化 */
@media (max-width: 768px) {
    .featured-image {
        height: 160px;}

    .news-thumb {
        width: 50px;
        height: 50px;}

    .notice-item {
        flex-direction: column;
        align-items: stretch;}

    .notice-item .date-tag {
        position: relative;
        margin: 0 0 10px;
        align-self: flex-start;}

    .card-img {
        height: 120px;}

    .content-grid {
        grid-template-columns: 1fr;}
}

@media (max-width: 480px) {
    .content-module {
        padding: var(--spacing-md);}

    .module-header h3 {
        font-size: 16px;}

    .featured-image {
        height: 140px;}

    .news-thumb {
        width: 40px;
        height: 40px;}

    .card-img {
        height: 100px;}
}

@media (max-width: 1200px) {
    .banner-content h2 {
        font-size: 28px;}

    .banner-content p {
        font-size: 15px;}
}

@media (max-width: 992px) {
    .banner {
        height: 400px;}

    .banner-content {
        padding: 30px 40px;}

    .banner-content h2 {
        font-size: 24px;}

    .banner-content p {
        font-size: 14px;}
}

@media (max-width: 768px) {
    .banner {
        height: 350px;}

    .banner-content {
        padding: 25px 30px;
        max-width: 95%;}

    .banner-content h2 {
        font-size: 20px;
        margin-bottom: 15px;}

    .banner-content p {
        font-size: 13px;}
}

@media (max-width: 576px) {
    .banner {
        height: 300px;}

    .banner-content {
        padding: 20px 25px;}

    .banner-content h2 {
        font-size: 18px;
        margin-bottom: 10px;
        line-height: 1.3;}

    .banner-content p {
        font-size: 12px;
        line-height: 1.5;}

    .logo h1 {
        font-size: 18px;}

    .nav-list {
        gap: 5px;}

    .nav-item a {
        padding: 8px 12px;
        font-size: 14px;}

    .banner {
        height: 350px;}

    .banner-content {
        padding: 20px 30px;}

    .banner-content h2 {
        font-size: 26px;}

    .content-grid {
        grid-template-columns: repeat(2, 1fr);}
}

@media (max-width: 768px) {
    .header .container {
        display: flex;
        justify-content: space-between;
        align-items: center;}

    .mobile-menu-btn {
        display: block;}

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background-color: var(--color-primary-start);
        padding: 80px 20px 20px;
        transition: var(--transition);
        z-index: 1000;
        overflow-y: auto;}

    .nav.active {
        right: 0;}

    .nav-list {
        flex-direction: column;
        gap: 0;}

    .nav-item {
        width: 100%;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);}

    .nav-item a {
        padding: 15px 0;
        border-radius: 0;}

    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        background-color: rgba(255, 255, 255, 0.1);
        max-height: 0;
        overflow: hidden;}

    .nav-item:hover .dropdown-menu {
        max-height: 500px;}

    .dropdown-menu li a {
        color: var(--color-white);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        padding-left: 20px;}

    .dropdown-menu li a:hover {
        background-color: rgba(255, 255, 255, 0.2);}

    .banner {
        height: 300px;}

    .banner-content h2 {
        font-size: 22px;}

    .banner-content p {
        font-size: 14px;}

    .content-grid {
        grid-template-columns: 1fr;}

    .footer-content {
        gap: 20px;}
}

@media (max-width: 576px) {

    .logo h1 {
        font-size: 16px;}

    .banner {
        height: 250px;}

    .banner-content {
        padding: 15px 20px;}

    .banner-content h2 {
        font-size: 20px;
        margin-bottom: 10px;}

    .banner-prev,
    .banner-next {
        width: 30px;
        height: 30px;
        font-size: 18px;}

    .footer-content {
        grid-template-columns: 1fr;}
}

/* 学院领导、师资队伍样式 */
/* =========================================================
   改良版：学院领导页面布局修复模块
   文件名：style_leaders_fixed.css
   ========================================================= */

/* ---------- 修正变量引用缺失 ---------- */
:root {
    --color-white: #ffffff;
    --color-text: #333333;
    --color-gray: #999999;
    --color-light-gray: #f0f0f0;
    --color-primary-start: #0055A4;
    --color-primary-end: #2E97D8;
    --box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    --box-shadow-hover: 0 6px 18px rgba(0, 0, 0, 0.1);
    --border-radius: 12px;}

/* ---------- 学院领导整体容器 ---------- */
.leaders-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    background-color: var(--color-white);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);}

@media (min-width: 1024px) {
    .leaders-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;}
}

/* ---------- 单个人物信息卡片 ---------- */
.leader-block {
    display: flex;
    flex-direction: row;
    background-color: var(--color-white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    align-items: stretch;}

.leader-block:hover {
    transform: translateY(-3px);
    box-shadow: var(--box-shadow-hover);}

/* ---------- 头像容器 ---------- */
.leader-photo-container {
    flex-shrink: 0;
    width: 220px;
    height: 220px;
    overflow: hidden;
    background-color: var(--color-light-gray);
    position: relative;
    border-right: 4px solid var(--color-primary-start);}

@media (max-width: 768px) {
    .leader-block {
        flex-direction: column;}

    .leader-photo-container {
        width: 100%;
        height: 260px;
        border-right: none;
        border-bottom: 4px solid var(--color-primary-start);}
}

.leader-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;}

.leader-block:hover .leader-photo {
    transform: scale(1.05);}

/* ---------- 人物信息区 ---------- */
.leader-info {
    flex: 1;
    padding: 25px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    min-height: 220px;}

.leader-info h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-primary-start);
    margin-bottom: 10px;}

.leader-position {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 12px;}

.leader-contact-info {
    margin-bottom: 15px;
    font-size: 14px;
    color: var(--color-gray);}

.leader-bio {
    flex-grow: 1;
    font-size: 14px;
    line-height: 1.8;
    color: var(--color-text);
    text-align: justify;
    margin-top: 10px;}

.leadership-team {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
    padding: 20px 0;}

.leader-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: var(--bg-primary);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    width: 280px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;}

.leader-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);}

.leader-card-photo {
    width: 100%;
    height: 320px;
    object-fit: cover;
    object-position: center top;
    display: block;}

.leader-card-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: 15px;
    padding: 0 15px;
    text-align: center;
    line-height: 1.4;
    word-break: keep-all;
    hyphens: auto;}

.leader-card-position {
    font-size: 16px;
    font-weight: 500;
    color: var(--color-primary-start);
    margin-top: 5px;
    margin-bottom: 15px;
    padding: 0 15px;}

@media (max-width: 768px) {
    .leadership-team {
        flex-direction: column;
        align-items: center;}

    .leader-card {
        width: 100%;
        max-width: 350px;}

    .leader-card-photo {
        height: 300px;}
}

/* ---------- 联系信息图标修正 ---------- */
.leader-phone::before,
.leader-address::before,
.leader-email::before {
    background-color: var(--color-primary-end);}

/* ---------- 响应式调整 ---------- */
@media (min-width: 1200px) {
    .leader-photo-container {
        width: 240px;
        height: 240px;}
}

@media (max-width: 576px) {
    .leader-photo-container {
        height: 200px;}

    .leader-info {
        padding: 20px;}

    .leader-info h3 {
        font-size: 20px;}

    .leader-position {
        font-size: 15px;}
}

/* 研究生导师样式 */
.teacher-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 20px;}

.supervisor-card {
    display: flex;
    flex-direction: column;
    background-color: #f9f9f9;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;}

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

.teacher-photo-container {
    display: flex;
    justify-content: center;
    margin-bottom: 15px;}

.teacher-photo {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid #0056b3;}

.supervisor-info {
    text-align: center;}

.supervisor-info h4 {
    color: #0056b3;
    margin-bottom: 10px;
    font-size: 1.2em;}

.supervisor-title {
    font-weight: bold;
    margin-bottom: 5px;
    color: #333;}

.supervisor-department {
    color: #666;
    margin-bottom: 5px;}

.supervisor-research {
    color: #666;
    font-size: 0.9em;
    line-height: 1.4;
    margin-bottom: 5px;}

.supervisor-achievement {
    color: #666;
    font-size: 0.85em;
    line-height: 1.4;
    font-style: italic;}

/* 中方教师和俄方教师样式 */
.teacher-card {
    display: flex;
    flex-direction: column;
    background-color: #f9f9f9;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;}

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

.teacher-info {
    text-align: center;}

/* ѧ�����ͼƬ������ʽ */
.gallery-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    padding: 20px 0;}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
    aspect-ratio: 4/3;}

.gallery-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);}

.gallery-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
    display: block;}

.gallery-item:hover .gallery-image {
    transform: scale(1.1);}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.4) 50%, transparent 100%);
    padding: 20px 15px 15px;
    display: flex;
    align-items: flex-end;
    opacity: 1;
    transition: opacity 0.3s ease;}

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

.gallery-caption {
    color: white;
    font-size: 16px;
    font-weight: 500;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    letter-spacing: 0.5px;}

/* ��Ӧʽ��� */
@media (max-width: 1200px) {
    .gallery-container {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 18px;}
}

@media (max-width: 992px) {
    .gallery-container {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 15px;}
}

@media (max-width: 768px) {
    .gallery-container {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
        gap: 12px;}

    .gallery-caption {
        font-size: 14px;}
}

@media (max-width: 576px) {
    .gallery-container {
        grid-template-columns: repeat(auto-fill, minmax(100%, 1fr));
        gap: 15px;}

    .gallery-item {
        aspect-ratio: 16/9;}
}

/* ͼƬ�����ض��� */
.gallery-image {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;}

.gallery-image[src] {
    animation: none;
    background: none;}

@keyframes loading {
    0% {
        background-position: 200% 0;}

    100% {
        background-position: -200% 0;}
}

/* 图片锟斤拷锟斤拷锟斤拷珊锟侥碉拷锟斤拷效锟斤拷 */
.gallery-image {
    opacity: 0;
    transition: opacity 0.3s ease;}

.gallery-image.loaded {
    opacity: 1;}