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

body {
    font-family: "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    font-size: 14px;
    line-height: 1.8;
    color: #333;
    background-color: #f0f0f0;
}

a {
    text-decoration: none;
    color: #333;
}

a:hover {
    color: #c00;
}

ul, li {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

.container {
    width: 1400px;
    margin: 0 auto;
}

/* 顶部工具栏 */
.top-bar {
    height: 36px;
    line-height: 36px;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0;
    height: 36px;
}

.top-left {
    display: flex;
    align-items: center;
    height: 36px;
}

.top-left a {
    color: #fff;
    font-size: 13px;
    padding: 0 12px;
    display: inline-block;
    transition: color 0.3s;
}

.top-left a:first-child {
    padding-left: 0;
}

.top-left a:hover {
    color: #ffd700;
}

.separator {
    color: rgba(255, 255, 255, 0.4);
    font-size: 12px;
}

.top-right {
    display: flex;
    align-items: center;
    gap: 15px;
    height: 36px;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 5px;
    color: #fff;
    font-size: 13px;
    padding: 0;
    transition: color 0.3s;
}

.lang-btn:hover {
    color: #ffd700;
}

.lang-btn svg {
    width: 14px;
    height: 14px;
}

/* 搜索框 */
.search-box {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 0 5px 0 15px;
    height: 28px;
}

.search-input {
    background: transparent;
    border: none;
    outline: none;
    color: #fff;
    font-size: 12px;
    width: 200px;
    padding: 0;
}

.search-input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.search-btn {
    background: transparent;
    border: none;
    color: #fff;
    cursor: pointer;
    padding: 5px 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.3s;
}

.search-btn:hover {
    color: #ffd700;
}

.search-btn svg {
    width: 14px;
    height: 14px;
}

/* 头部Logo和导航 */
.main-header {
    position: absolute;
    top: 36px;
    left: 0;
    right: 0;
    z-index: 100;
}

.main-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0;
    width: 1400px;
    height: 70px;
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 0 30px;
}

.header-logo img {
    height: 50px;
    filter: brightness(0) invert(1);
}

.school-name {
    font-size: 20px;
    color: #fff;
    font-weight: bold;
    letter-spacing: 2px;
    white-space: nowrap;
}

.main-nav {
    flex: 1;
}

.main-nav ul {
    display: flex;
    height: 70px;
    margin: 0;
    padding: 0;
}

.main-nav li {
    margin: 0;
    display: flex;
    align-items: center;
    position: relative;
}

.main-nav a {
    display: flex;
    align-items: center;
    height: 70px;
    padding: 0 18px;
    font-size: 15px;
    color: #fff;
    transition: all 0.3s;
    font-weight: normal;
    white-space: nowrap;
}

.main-nav a:hover {
    background: rgba(0, 0, 0, 0.2);
    color: #fff;
}

.has-sub > a {
    padding-right: 24px;
    position: relative;
}

.has-sub > a::after {
    content: '▾';
    position: absolute;
    right: 6px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 12px;
    color: rgba(255, 255, 255, 0.8);
    transition: transform 0.2s ease, color 0.2s ease;
}

.has-sub:hover > a::after {
    transform: translateY(-50%) rotate(180deg);
    color: #ffd700;
}

.sub-menu {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 180px;
    background: transparent;
    box-shadow: none;
    padding: 8px 0;
    border-top: none;
    border-radius: 0;
    z-index: 200;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(6px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
}

.sub-menu li {
    display: block;
}

.sub-menu a {
    color: #fff;
    background: transparent;
    padding: 10px 16px;
    height: auto;
    line-height: 1.5;
    font-size: 14px;
    width: 100%;
    white-space: nowrap;
}

.sub-menu a:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #ffd700;
}

.has-sub:hover > .sub-menu {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
}

.nav-left ul {
    justify-content: flex-end;
}

.nav-left li:first-child a {
    padding-left: 0;
}

.nav-right ul {
    justify-content: flex-start;
}

.nav-right li:last-child a {
    padding-right: 0;
}

/* 轮播图 - 纯CSS实现 */
.banner-slider {
    background: #000;
    position: relative;
}

.slider-wrapper {
    position: relative;
    width: 100%;
    height: 1200px;
    overflow: hidden;
}

/* 隐藏radio按钮 */
.slider-wrapper > input[type="radio"] {
    display: none;
}

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

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1);
    transition: transform 6s ease-out;
}

/* 通过radio状态控制幻灯片显示 */
#slide1:checked ~ .slider-container .slide-1,
#slide2:checked ~ .slider-container .slide-2,
#slide3:checked ~ .slider-container .slide-3 {
    opacity: 1;
}

#slide1:checked ~ .slider-container .slide-1 img,
#slide2:checked ~ .slider-container .slide-2 img,
#slide3:checked ~ .slider-container .slide-3 img {
    transform: scale(1.08);
}

/* 自动轮播动画 */
@keyframes autoSlide {
    0%, 30% { opacity: 1; }
    33.33%, 97% { opacity: 0; }
    100% { opacity: 1; }
}

/* 当没有用户交互时启用自动轮播 */
.slider-wrapper:not(:hover) .slide-1 {
    animation: autoSlide 15s infinite;
}

.slider-wrapper:not(:hover) .slide-2 {
    animation: autoSlide 15s infinite 5s;
}

.slider-wrapper:not(:hover) .slide-3 {
    animation: autoSlide 15s infinite 10s;
}

/* 当用户点击radio时禁用动画 */
#slide1:checked ~ .slider-container .slide,
#slide2:checked ~ .slider-container .slide,
#slide3:checked ~ .slider-container .slide {
    animation: none;
}

/* 轮播控制按钮 */
.slider-arrows {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.5);
    color: #fff;
    border: none;
    font-size: 40px;
    padding: 10px 20px;
    cursor: pointer;
    transition: background 0.3s;
    z-index: 10;
    pointer-events: auto;
    display: none;
}

.slider-btn:hover {
    background: rgba(139, 0, 0, 0.8);
}

.slider-btn.prev {
    left: 20px;
}

.slider-btn.next {
    right: 20px;
}

/* 根据当前幻灯片显示对应的箭头 */
#slide1:checked ~ .slider-arrows .arrow-1 {
    display: block;
}

#slide2:checked ~ .slider-arrows .arrow-2 {
    display: block;
}

#slide3:checked ~ .slider-arrows .arrow-3 {
    display: block;
}

/* 轮播指示器 */
.slider-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    transition: all 0.3s;
    border: 2px solid transparent;
}

.indicator:hover {
    background: rgba(255, 255, 255, 0.9);
}

/* 根据radio状态改变指示器样式 */
#slide1:checked ~ .slider-indicators .indicator:nth-child(1),
#slide2:checked ~ .slider-indicators .indicator:nth-child(2),
#slide3:checked ~ .slider-indicators .indicator:nth-child(3) {
    background: #c00;
    border-color: rgba(255, 255, 255, 0.8);
}

/* 更多链接 */
.slider-more {
    position: absolute;
    bottom: 30px;
    right: 50px;
    color: #fff;
    font-size: 14px;
    z-index: 10;
    text-decoration: none;
    transition: all 0.3s;
}

.slider-more:hover {
    color: #ffd700;
}

/* 主内容区域 */
.main-wrapper {
    background: #f0f0f0;
    padding: 20px 0;
}

.main-wrapper .container {
    display: flex;
    gap: 20px;
}

.main-content {
    flex: 1;
    width: 100%;
}

/* 板块标题 */
.section-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
    background: #fff;
    border-left: 4px solid #8b0000;
    margin-bottom: 15px;
}

.section-title h2,
.section-title h3 {
    font-size: 18px;
    font-weight: bold;
    color: #333;
}

.section-title .en {
    font-size: 12px;
    color: #999;
    margin-left: 8px;
    font-weight: normal;
}

.section-title .more {
    font-size: 12px;
    color: #666;
}

.section-title .more:hover {
    color: #8b0000;
}

/* 学校要闻 */
.news-section {
    background: #f5f5f5;
    padding: 30px 0;
    margin-bottom: 20px;
}

.news-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
    padding-left: 15px;
    border-left: 4px solid #8b0000;
}

.news-title-left {
    display: flex;
    flex-direction: column;
}

.news-title-left .title-en {
    font-size: 14px;
    color: #8b0000;
    font-weight: normal;
    margin-bottom: 2px;
}

.news-title-left h2 {
    font-size: 28px;
    font-weight: bold;
    color: #333;
    letter-spacing: 2px;
}

.news-more-btn {
    display: inline-block;
    padding: 10px 24px;
    background: #8b0000;
    color: #fff;
    font-size: 14px;
    border-radius: 0;
    transition: all 0.3s;
}

.news-more-btn:hover {
    background: #a00;
    color: #fff;
}

.news-main {
    display: flex;
    gap: 20px;
}

/* 左侧大图轮播 - 纯CSS实现 */
.news-slider {
    flex: 1;
    position: relative;
    background: #fff;
}

/* 隐藏radio按钮 */
.news-slider > input[type="radio"] {
    display: none;
}

.news-slider-container {
    position: relative;
    width: 100%;
    height: 680px;
    overflow: visible;
}

.news-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
    display: flex;
    flex-direction: column;
}

/* 通过radio状态控制新闻幻灯片显示 */
#news-slide1:checked ~ .news-slider-container .news-slide-1,
#news-slide2:checked ~ .news-slider-container .news-slide-2,
#news-slide3:checked ~ .news-slider-container .news-slide-3 {
    opacity: 1;
}

/* 自动轮播动画 */
@keyframes newsAutoSlide {
    0%, 28% { opacity: 1; }
    33.33%, 95% { opacity: 0; }
    100% { opacity: 1; }
}

/* 当没有用户交互时启用自动轮播 */
.news-slider:not(:hover) .news-slide-1 {
    animation: newsAutoSlide 12s infinite;
}

.news-slider:not(:hover) .news-slide-2 {
    animation: newsAutoSlide 12s infinite 4s;
}

.news-slider:not(:hover) .news-slide-3 {
    animation: newsAutoSlide 12s infinite 8s;
}

/* 当用户点击radio时禁用动画 */
#news-slide1:checked ~ .news-slider-container .news-slide,
#news-slide2:checked ~ .news-slider-container .news-slide,
#news-slide3:checked ~ .news-slider-container .news-slide {
    animation: none;
}

.news-slide-image {
    position: relative;
    height: 580px;
    border-bottom: 4px solid #8b0000;
    flex-shrink: 0;
}

.news-slide-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 120px;
    background: linear-gradient(to top, rgba(139, 0, 0, 0.6) 0%, transparent 100%);
    pointer-events: none;
}

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

.news-slide-info {
    background: #fff;
    padding: 20px 25px;
    color: #333;
}

.news-slide-info h3 {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 10px;
    line-height: 1.5;
}

.news-slide-info h3 a {
    color: #333;
    position: relative;
    display: inline;
    text-decoration: none;
    transition: color 0.3s ease;
}

.news-slide-info h3 a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 0;
    height: 2px;
    background: #8b0000;
    transition: width 0.4s ease;
}

.news-slide-info h3 a:hover {
    color: #8b0000;
}

.news-slide-info h3 a:hover::after {
    width: 100%;
}

.news-slide-info .date {
    font-size: 14px;
    color: #666;
}

/* 新闻轮播指示器 */
.news-slider-dots {
    position: absolute;
    right: 25px;
    top: 545px;
    display: flex;
    gap: 10px;
    z-index: 10;
}

.news-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s;
    border: 2px solid transparent;
}

.news-dot:hover {
    background: rgba(255, 255, 255, 0.8);
}

/* 根据radio状态改变新闻指示器样式 */
#news-slide1:checked ~ .news-slider-dots .news-dot:nth-child(1),
#news-slide2:checked ~ .news-slider-dots .news-dot:nth-child(2),
#news-slide3:checked ~ .news-slider-dots .news-dot:nth-child(3) {
    background: #8b0000;
    border-color: #fff;
}

/* 右侧要闻区域 */
.news-right {
    width: 420px;
    display: flex;
    flex-direction: column;
}

/* 要闻卡片 */
.news-card {
    position: relative;
    height: 200px;
    overflow: hidden;
    margin-bottom: 0;
}

.news-card-bg {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.news-card-header {
    position: absolute;
    top: 15px;
    right: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: #fff;
    font-size: 14px;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.5);
}

.news-card-logo {
    width: 24px;
    height: 24px;
    filter: brightness(0) invert(1);
}

.news-card-title {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 56px;
    font-weight: bold;
    color: #8b0000;
    letter-spacing: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

/* 新闻列表 */
.news-list {
    background: #fff;
    padding: 0;
    flex: 1;
}

.news-list li {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 15px 20px;
    border-bottom: 1px solid #eee;
}

.news-list li:last-child {
    border-bottom: none;
}

.news-list li a {
    flex: 1;
    color: #333;
    font-size: 14px;
    line-height: 1.6;
    padding-right: 20px;
    position: relative;
    transition: color 0.3s ease;
}

.news-list li a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 0;
    height: 2px;
    background: #8b0000;
    transition: width 0.4s ease;
}

.news-list li a:hover {
    color: #8b0000;
}

.news-list li a:hover::after {
    width: calc(100% - 20px);
}

.news-list li span {
    color: #8b0000;
    font-size: 14px;
    white-space: nowrap;
    font-weight: 500;
}

/* 校园看点和媒体聚焦 */
.campus-media-section {
    background: linear-gradient(135deg, #1a3a5c 0%, #0d2840 100%);
    padding: 60px 0;
    position: relative;
    overflow: hidden;
}

.section-bg-text {
    position: absolute;
    left: 30px;
    top: 50%;
    transform: translateY(-50%);
    writing-mode: vertical-rl;
    font-size: 48px;
    font-weight: bold;
    color: rgba(255, 255, 255, 0.08);
    letter-spacing: 15px;
    white-space: nowrap;
    pointer-events: none;
}

.campus-media-container {
    display: flex;
    gap: 60px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 100px;
}

.campus-block,
.media-block {
    flex: 1;
}

.block-title {
    display: flex;
    align-items: baseline;
    gap: 15px;
    margin-bottom: 25px;
    padding-left: 15px;
    border-left: 4px solid #fff;
}

.block-title h3 {
    font-size: 28px;
    font-weight: bold;
    color: #fff;
    letter-spacing: 2px;
}

.block-title .en {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.6);
    font-weight: normal;
}

.block-featured {
    display: flex;
    gap: 20px;
    margin-bottom: 25px;
}

.featured-image {
    width: 320px;
    height: 200px;
    flex-shrink: 0;
    overflow: hidden;
}

.featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

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

.featured-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    padding-top: 10px;
}

.featured-info h4 {
    font-size: 16px;
    font-weight: normal;
    line-height: 1.8;
    margin-bottom: 15px;
}

.featured-info h4 a {
    color: #fff;
    position: relative;
    display: inline;
    transition: color 0.3s ease;
}

.featured-info h4 a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 0;
    height: 2px;
    background: #ff6b6b;
    transition: width 0.4s ease;
}

.featured-info h4 a:hover {
    color: #ff6b6b;
}

.featured-info h4 a:hover::after {
    width: 100%;
}

.featured-info .date {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

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

.block-list li {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 15px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.block-list li:last-child {
    border-bottom: none;
}

.block-list li a {
    flex: 1;
    color: rgba(255, 255, 255, 0.85);
    font-size: 14px;
    line-height: 1.6;
    padding-right: 30px;
    position: relative;
    transition: color 0.3s ease;
}

.block-list li a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 0;
    height: 2px;
    background: #ff6b6b;
    transition: width 0.4s ease;
}

.block-list li a:hover {
    color: #ff6b6b;
}

.block-list li a:hover::after {
    width: calc(100% - 30px);
}

.block-list li span {
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
    white-space: nowrap;
}

/* 学在华科大 */
.study-hust-section {
    background: linear-gradient(135deg, #e8e4df 0%, #d9d5d0 100%);
    padding: 50px 0 60px;
    margin-top: 30px;
    position: relative;
}

.study-hust-title {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 40px;
}

.study-hust-title img {
    height: 60px;
    width: auto;
}

.study-hust-content {
    display: flex;
    gap: 30px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

.study-hust-left {
    flex: 0 0 500px;
}

.study-hust-image {
    position: relative;
    background: #fff;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.study-hust-image::before {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    bottom: 40px;
    width: 10px;
    background: #8b0000;
}

.study-hust-image::after {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: 0;
    height: 10px;
    background: linear-gradient(to right, #8b0000, #c00);
}

.study-hust-image img {
    width: 100%;
    height: auto;
    display: block;
}

.study-hust-caption {
    background: linear-gradient(135deg, rgba(139, 0, 0, 0.9) 0%, rgba(100, 0, 0, 0.95) 100%);
    padding: 15px 20px;
    color: #fff;
}

.study-hust-caption span {
    font-size: 15px;
    line-height: 1.6;
}

.study-hust-right {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.study-hust-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 25px;
    padding-left: 15px;
    border-left: 4px solid #8b0000;
}

.explore-title {
    display: flex;
    flex-direction: column;
}

.explore-title .title-en {
    font-size: 14px;
    color: #8b0000;
    font-weight: normal;
    font-style: italic;
    margin-bottom: 2px;
}

.explore-title h3 {
    font-size: 28px;
    font-weight: bold;
    color: #333;
    letter-spacing: 2px;
}

.explore-more-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #8b0000;
    font-size: 14px;
    transition: all 0.3s;
}

.explore-more-btn:hover {
    color: #a00;
}

.explore-more-btn .arrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border: 2px solid #8b0000;
    border-radius: 50%;
    font-size: 16px;
    transition: all 0.3s;
}

.explore-more-btn:hover .arrow {
    background: #8b0000;
    color: #fff;
}

.explore-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    flex: 1;
}

.explore-card {
    background: #fff;
    padding: 25px 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    display: flex;
    align-items: flex-start;
}

.explore-card:hover {
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    transform: translateY(-3px);
}

.explore-card p {
    font-size: 15px;
    color: #333;
    line-height: 1.8;
    margin: 0;
    transition: color 0.3s;
}

.explore-card:hover p {
    color: #8b0000;
}

/* 通知公告 */
.notice-section {
    background: #fff;
    padding: 50px 40px 60px;
    margin-top: 30px;
    position: relative;
}

.notice-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 35px;
    padding-left: 15px;
    border-left: 4px solid #8b0000;
    position: relative;
    z-index: 1;
}

.notice-title-left {
    display: flex;
    flex-direction: column;
}

.notice-title-left .title-en {
    font-size: 14px;
    color: #8b0000;
    font-weight: normal;
    margin-bottom: 2px;
}

.notice-title-left h2 {
    font-size: 28px;
    font-weight: bold;
    color: #333;
    letter-spacing: 2px;
}

.notice-more-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #8b0000;
    font-size: 14px;
    transition: all 0.3s;
}

.notice-more-btn:hover {
    color: #a00;
}

.notice-more-btn .arrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border: 2px solid #8b0000;
    border-radius: 50%;
    font-size: 16px;
    transition: all 0.3s;
}

.notice-more-btn:hover .arrow {
    background: #8b0000;
    color: #fff;
}

.notice-cards {
    display: flex;
    gap: 30px;
    position: relative;
    z-index: 1;
}

.notice-card {
    flex: 1;
    background: #fff;
    display: flex;
    align-items: flex-start;
    padding: 25px;
    gap: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.notice-date {
    width: 80px;
    padding: 12px 8px;
    background: #8b0000;
    color: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.notice-date .day {
    font-size: 28px;
    font-weight: bold;
    line-height: 1;
}

.notice-date .month {
    font-size: 11px;
    margin-top: 5px;
    white-space: nowrap;
}

.notice-content {
    flex: 1;
    display: flex;
    align-items: center;
}

.notice-content a {
    color: #333;
    font-size: 15px;
    line-height: 1.8;
    position: relative;
    display: inline;
    transition: color 0.3s ease;
}

.notice-content a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 0;
    height: 2px;
    background: #8b0000;
    transition: width 0.4s ease;
}

.notice-content a:hover {
    color: #8b0000;
}

.notice-content a:hover::after {
    width: 100%;
}

/* 专题网站 */
.special-websites-section {
    background: #fff;
    padding: 50px 40px 60px;
    margin-top: 30px;
    position: relative;
}

.special-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 35px;
    padding-left: 15px;
    border-left: 4px solid #8b0000;
    position: relative;
    z-index: 1;
}

.special-title-left {
    display: flex;
    flex-direction: column;
}

.special-title-left .title-en {
    font-size: 14px;
    color: #8b0000;
    font-weight: normal;
    font-style: italic;
    margin-bottom: 2px;
}

.special-title-left h2 {
    font-size: 28px;
    font-weight: bold;
    color: #333;
    letter-spacing: 2px;
}

.special-more-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #8b0000;
    font-size: 14px;
    transition: all 0.3s;
}

.special-more-btn:hover {
    color: #a00;
}

.special-more-btn .arrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border: 2px solid #8b0000;
    border-radius: 50%;
    font-size: 16px;
    transition: all 0.3s;
}

.special-more-btn:hover .arrow {
    background: #8b0000;
    color: #fff;
}

.special-cards {
    display: flex;
    gap: 20px;
    position: relative;
    z-index: 1;
}

.special-card {
    flex: 1;
    display: block;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.4s ease;
}

.special-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
}

.special-card-img {
    position: relative;
    width: 100%;
    overflow: hidden;
}

.special-card-img img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}

.special-card:hover .special-card-img img {
    transform: scale(1.1);
}

/* 通知公告列表样式 */
.notice-list li {
    display: flex;
    align-items: flex-start;
    padding: 12px 0;
    border-bottom: 1px dashed #e5e5e5;
}

.notice-list li a {
    flex: 1;
    color: #333;
    font-size: 13px;
    line-height: 1.6;
}

.notice-list li a:hover {
    color: #8b0000;
}

/* 侧边栏 */
.sidebar-box {
    background: #fff;
    margin-bottom: 20px;
}

.sidebar-title {
    padding: 12px 20px;
    background: #f8f8f8;
    border-left: 4px solid #8b0000;
}

.sidebar-title h3 {
    font-size: 16px;
    font-weight: bold;
}

.sidebar-title .en {
    font-size: 12px;
    color: #999;
    margin-left: 5px;
    font-weight: normal;
}

.sidebar-list {
    padding: 15px 20px;
}

.sidebar-list li {
    padding: 8px 0;
    border-bottom: 1px dashed #e5e5e5;
}

.sidebar-list li:last-child {
    border-bottom: none;
}

.sidebar-list li a {
    color: #666;
    font-size: 13px;
}

.sidebar-list li a:hover {
    color: #8b0000;
}

.sidebar-list li a.more-link {
    color: #8b0000;
    text-align: center;
    display: block;
}

.image-box {
    padding: 15px;
}

.image-box img {
    width: 100%;
    height: auto;
}

/* 社交媒体 */
.social-media {
    padding: 15px 20px;
}

.social-item {
    padding: 15px 0;
    border-bottom: 1px solid #e5e5e5;
}

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

.social-item h4 {
    font-size: 14px;
    margin-bottom: 8px;
    color: #333;
}

.follow-btn {
    display: inline-block;
    padding: 4px 12px;
    border: 1px solid #8b0000;
    color: #8b0000;
    font-size: 12px;
    margin-bottom: 8px;
    border-radius: 3px;
}

.follow-btn:hover {
    background: #8b0000;
    color: #fff;
}

.social-item p {
    font-size: 12px;
    color: #666;
    line-height: 1.6;
}

/* 页脚 */
.footer {
    background: #8b0000;
}

.footer-top {
    background: linear-gradient(135deg, #a01010 0%, #8b0000 50%, #7a0000 100%);
    padding: 40px 0;
}

.footer-top .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 20px;
}

.footer-logo-img {
    width: 320px;
}

.footer-school-name {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.footer-school-name .name-cn {
    font-size: 32px;
    font-weight: bold;
    color: #fff;
    letter-spacing: 8px;
}

.footer-school-name .name-en {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 1px;
}

.footer-links {
    display: flex;
    gap: 8px;
}

.footer-links a {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 70px;
    height: 70px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 8px;
    color: #fff;
    text-decoration: none;
    transition: all 0.3s;
}

.footer-links a:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-3px);
}

.footer-links .link-icon {
    font-size: 20px;
    margin-bottom: 5px;
}

.footer-links .link-text {
    font-size: 11px;
    text-align: center;
    line-height: 1.3;
    color: rgba(255, 255, 255, 0.9);
}

.footer-bottom {
    background: rgba(0, 0, 0, 0.2);
    padding: 15px 0;
}

.footer-bottom .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-info-left p,
.footer-info-right p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
}

.footer-info-right {
    display: flex;
    align-items: center;
    gap: 15px;
}

/* 响应式 */
@media (max-width: 1400px) {
    .container,
    .main-header .container {
        width: 1200px;
    }
}

@media (max-width: 1200px) {
    .container,
    .main-header .container {
        width: 100%;
        padding: 0 15px;
    }
    
    .main-wrapper .container {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
    }
    
    .four-columns {
        grid-template-columns: 1fr;
    }
    
    .news-main {
        flex-direction: column;
    }
    
    .news-right {
        width: 100%;
    }
    
    .news-slider-container {
        height: 350px;
    }
    
    .sites-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .slider-wrapper {
        height: 400px;
    }
    
    .slide-text h2 {
        font-size: 36px;
        letter-spacing: 4px;
    }
    
    .slide-text p {
        font-size: 18px;
    }
}

@media (max-width: 768px) {
    .top-bar {
        height: auto;
        line-height: normal;
    }
    
    .top-bar .container {
        flex-direction: column;
        height: auto;
        padding: 10px 15px;
        gap: 10px;
    }
    
    .top-left {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .search-input {
        width: 150px;
    }
    
    .main-header .container {
        flex-direction: column;
        height: auto;
    }
    
    .header-logo {
        padding: 15px;
    }
    
    .header-logo img {
        height: 40px;
    }
    
    .school-name {
        font-size: 16px;
    }
    
    .main-nav {
        width: 100%;
    }
    
    .main-nav ul {
        flex-wrap: wrap;
        height: auto;
        justify-content: center !important;
    }
    
    .main-nav li {
        flex: 0 0 auto;
    }
    
    .main-nav a {
        height: auto;
        padding: 10px 15px;
        font-size: 13px;
    }
    
    .sites-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .slider-wrapper {
        height: 300px;
    }
    
    .slider-btn {
        font-size: 30px;
        padding: 5px 15px;
    }
    
    .slider-btn.prev {
        left: 10px;
    }
    
    .slider-btn.next {
        right: 10px;
    }
    
    .slide-text h2 {
        font-size: 24px;
        letter-spacing: 2px;
        margin-bottom: 10px;
    }
    
    .slide-text p {
        font-size: 14px;
        letter-spacing: 1px;
    }
}