/* 基础样式重置与通用设置 */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Noto Sans SC', sans-serif;
    line-height: 1.8;
    background-color: #f8f5f0;
    color: #333;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* 动画效果定义 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* 头部导航样式 */
.header , .header-navigation {
    background: #fff;
    color: #8b4513;
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.logo {
    text-align: center;
    margin-bottom: 10px;
}

.logo h3 {
    font-size: 1.8em;
    letter-spacing: 2px;
}

.logo-img {
    position: absolute;
    top: 10px;
    left: 10px;
    width: 110px;
    height: auto;
}

.nav {
    text-align: center;
}

.nav-item {
    position: relative;
    display: inline-block;
}

/* 扩展导航项的悬停区域，覆盖子菜单与父菜单之间的间隙 */
.nav-item::after {
    content: '';
    position: absolute;
    bottom: -10px; /* 扩展距离，覆盖间隙 */
    left: 0;
    width: 100%;
    height: 10px; /* 扩展高度 */
    background: transparent;
    pointer-events: auto; /* 确保可以触发悬停 */
}

/* 子菜单样式 */
.sub-menu {
    display: none;
    position: absolute;
    background-color: #f9f9f9;
    min-width: 160px;
    max-height: 500px;
    overflow-y: auto;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    z-index: 102;
    top: 100%; /* 确保子菜单从父元素底部开始 */
    left: 0;
    border-radius: 4px;
    transition: opacity 0.2s ease, transform 0.2s ease; /* 添加过渡效果 */
    opacity: 0; /* 默认透明 */
    transform: translateY(10px); /* 默认下移10px */
}

/* 当父元素被悬停时显示子菜单，并应用过渡 */
.nav-item:hover .sub-menu {
    display: block;
    opacity: 1; /* 完全不透明 */
    transform: translateY(0); /* 移回原位 */
}

/* 导航链接样式 */
.nav-item a {
    display: block;
    color: #333;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
    font-size: 16px;
    transition: background-color 0.3s, color 0.3s;
}

.nav a {
    color: #8b4513;
    margin: 0 12px;
    text-decoration: none;
    font-weight: 500;
    padding: 5px 10px;
    border-radius: 4px;
    transition: all 0.3s ease;
    position: relative;
}

.nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #8b4513;
    transition: width 0.3s ease;
}

.nav a:hover::after,
.nav a.active::after {
    width: 100%;
}

.nav a.active {
    font-weight: bold;
}

.sub-menu a {
    color: #333;
    padding: 8px 15px;
    text-decoration: none;
    display: block;
    margin: 0;
    text-align: left;
}

.nav-item:hover .sub-menu {
    display: block;
    animation: fadeIn 0.3s ease;
}

.header.hidden {
    transform: translateY(-100%);
    transition: transform 0.3s ease;
    visibility: hidden; /* 添加这一行，确保隐藏时不可见 */
}

.sub-menu a:hover {
    background-color: #f1f1f1;
    color: #8b4513;
}

/* 轮播图样式 */
.slider-container {
    position: relative;
    width: 100%;
    height: 500px;
    overflow: hidden;
}

.slider {
    display: flex;
    width: 100%;
    height: 100%;
    transition: transform 0.5s ease;
}

.slide {
    min-width: 100%;
    height: 100%;
    position: relative;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.text-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: white;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.text-overlay h1 {
    font-size: 3em;
    margin-bottom: 20px;
}

.text-overlay p {
    font-size: 1.2em;
}

.slider-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 10;
}

.slider-nav span {
    font-size: 30px;
    color: white;
    cursor: pointer;
    user-select: none;
    background-color: rgba(0,0,0,0.3);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s ease;
}

.slider-nav span:hover {
    background-color: rgba(0,0,0,0.5);
}

/* 特色内容区 */
.featured {
    padding: 60px 20px;
    text-align: center;
}

.featured h2 {
    font-size: 2.2em;
    margin-bottom: 40px;
    color: #8b4513;
    position: relative;
    display: inline-block;
}

.featured h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: #8b4513;
}

.cards {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
}

.card {
    width: 300px;
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.card:hover img {
    transform: scale(1.05);
}

.card h3 {
    padding: 20px 15px 10px;
    color: #8b4513;
}

.card p {
    padding: 0 15px 20px;
    color: #666;
}

/* 顶部banner区域 */
.banner {
    width: 100%;
    position: relative;
}

.banner img {
    width: 100%;
    display: block;
}

.banner .title-box {
    position: absolute;
    top: 20px;
    left: 50px;
}

.banner .title-box .logo {
    width: 80px;
}

.banner .title-box h1 {
    font-size: 28px;
    color: #fff;
    margin-top: 50%;
}

.banner .title-box p {
    font-size: 16px;
    color: #fff;
}

/* 内容容器 */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 30px auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

/* 建筑页面卡片样式 */
.card2 {
    border: 1px solid #eee;
    border-radius: 8px;
    padding: 15px;
    text-align: center;
    transition: all 0.3s ease;
    background-color: white;
}

.card2:hover {
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
    transform: translateY(-5px);
}

.card2 img {
    width: 100%;
    border-radius: 6px;
    margin-bottom: 10px;
}

.card2 h2 {
    font-size: 18px;
    margin-bottom: 8px;
    color: #8b4513;
}

.card2 p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    margin-bottom: 15px;
}

.card2 .btn {
    display: inline-block;
    padding: 8px 16px;
    background-color: #8b4513;
    color: #fff;
    border-radius: 4px;
    font-size: 14px;
    transition: background-color 0.3s ease;
}

.card2 .btn:hover {
    background-color: #6d360f;
}

/* 信息页面样式 */
.info {
    font-family: "微软雅黑", sans-serif;
    margin: 0 auto;
    max-width: 900px;
    padding: 10px;
    color: #333;
}

.info img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    margin: 20px 0;
}

/* 内容区域通用样式 */
.content-section {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
}

.content-section h2 {
    font-size: 2em;
    margin-bottom: 30px;
    color: #8b4513;
    padding-bottom: 10px;
    border-bottom: 2px solid #e0b8b8;
}

/* 时间线样式 */
.timeline {
    position: relative;
    max-width: 1000px;
    margin: 40px auto;
}

.timeline::after {
    content: '';
    position: absolute;
    width: 6px;
    background-color: #e0b8b8;
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -3px;
    border-radius: 3px;
}

.timeline-item {
    padding: 10px 40px;
    position: relative;
    width: 50%;
    box-sizing: border-box;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease-out;
}

.timeline-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.timeline-item:nth-child(odd) {
    left: 0;
}

.timeline-item:nth-child(even) {
    left: 50%;
}

.timeline-item::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    background-color: white;
    border: 4px solid #8b4513;
    border-radius: 50%;
    top: 20px;
    z-index: 1;
    transition: transform 0.3s ease;
}

.timeline-item:hover::after {
    transform: scale(1.3);
}

.timeline-item:nth-child(odd)::after {
    right: -13px;
}

.timeline-item:nth-child(even)::after {
    left: -13px;
}

.timeline-date {
    font-weight: bold;
    color: #8b4513;
    margin-bottom: 10px;
}

.timeline-content {
    padding: 20px;
    background-color: white;
    border-radius: 6px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.timeline-content:hover {
    transform: translateY(-5px);
}

/* 研究资源页面样式 */
.research-resources {
    margin-top: 30px;
}

.resource-category {
    margin-bottom: 40px;
}

.resource-category h3 {
    color: #8b4513;
    margin-bottom: 20px;
    font-size: 1.5em;
}

.resource-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.resource-item {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.resource-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0,0,0,0.1);
}

.resource-item h4 {
    color: #333;
    margin-bottom: 10px;
}

/* 联系页面样式 */
.contact-container {
    display: flex;
    gap: 30px;
    margin-top: 30px;
}

.contact-info, .contact-form {
    flex: 1;
    min-width: 300px;
}

.contact-info h3, .contact-form h3 {
    color: #8b4513;
    margin-bottom: 20px;
    font-size: 1.5em;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: inherit;
    font-size: 1em;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: #8b4513;
    outline: none;
    box-shadow: 0 0 0 2px rgba(139, 69, 19, 0.1);
}

.submit-btn {
    background-color: #8b4513;
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1em;
    transition: all 0.3s ease;
}

.submit-btn:hover {
    background-color: #6d360f;
    transform: translateY(-2px);
}

.submit-btn.success {
    background-color: #4CAF50;
}

/* 文化介绍样式 */
.culture-intro {
    margin: 40px 0;
    padding: 30px;
    background-color: #f9f5f0;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s ease-out;
}

.culture-intro.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 区域地图样式 */
.region-map {
    margin: 50px 0;
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    height: 400px;
}

.region-map img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 8s ease;
}

.region-map:hover img {
    transform: scale(1.05);
}

.map-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, rgba(0,0,0,0.5), rgba(0,0,0,0.7));
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 30px;
    color: white;
}

/* 文化分支样式 */
.culture-features {
    margin: 40px 0;
}

.culture-features h3 {
    font-size: 1.6em;
    color: #333;
    margin-bottom: 20px;
}

.culture-features ul {
    padding-left: 20px;
}

.culture-features li {
    margin-bottom: 15px;
    position: relative;
    padding-left: 25px;
    transition: transform 0.3s ease;
}

.culture-features li:hover {
    transform: translateX(5px);
}

.culture-features li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: #8b4513;
    font-weight: bold;
}

.culture-features span {
    font-weight: bold;
    color: #8b4513;
}

/* 引用区域样式 */
.quote-section {
    margin: 60px 0;
    padding: 50px;
    background-color: #8b4513;
    color: white;
    border-radius: 12px;
    position: relative;
    text-align: center;
}

.quote-section i {
    font-size: 4em;
    opacity: 0.3;
    position: absolute;
    top: 20px;
    left: 20px;
}

.quote-text {
    font-size: 1.5em;
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.quote-author {
    margin-top: 20px;
    font-style: italic;
    opacity: 0.9;
}

/* 延迟动画设置 */
.feature-card:nth-child(1) { transition-delay: 0.1s; }
.feature-card:nth-child(2) { transition-delay: 0.2s; }
.feature-card:nth-child(3) { transition-delay: 0.3s; }
.feature-card:nth-child(4) { transition-delay: 0.4s; }

.timeline-item:nth-child(1) { transition-delay: 0.1s; }
.timeline-item:nth-child(2) { transition-delay: 0.2s; }
.timeline-item:nth-child(3) { transition-delay: 0.3s; }
.timeline-item:nth-child(4) { transition-delay: 0.4s; }
.timeline-item:nth-child(5) { transition-delay: 0.5s; }

/* 响应式设计 */
@media (max-width: 768px) {
    .timeline::after {
        left: 31px;
    }
    
    .timeline-item {
        width: 100%;
        padding-left: 70px;
        padding-right: 25px;
    }
    
    .timeline-item:nth-child(even) {
        left: 0%;
    }
    
    .timeline-item:nth-child(odd)::after,
    .timeline-item:nth-child(even)::after {
        left: 18px;
    }
    
    .nav a {
        display: inline-block;
        margin: 5px 8px;
    }
    
    .text-overlay h1 {
        font-size: 2.2em;
    }
    
    .contact-container {
        flex-direction: column;
    }
    
    .region-map {
        height: 300px;
    }
    
    .quote-text {
        font-size: 1.2em;
    }
    
    .content-section h2 {
        font-size: 1.6em;
    }
    
    .logo-img {
        width: 70px;
    }
    
    .slider-container {
        height: 350px;
    }
}
/* 首页特定样式 */
.hero-slider {
    position: relative;
    width: 100%;
    height: 600px;
    overflow: hidden;
}

.slider-wrapper {
    width: 100%;
    height: 100%;
    position: relative;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.8s ease;
}

.hero-slide.active {
    opacity: 1;
    z-index: 1;
}

.hero-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-caption {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: white;
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
    z-index: 2;
}

.hero-caption h1 {
    font-size: 4em;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease;
}

.hero-caption p {
    font-size: 1.5em;
    margin-bottom: 30px;
    animation: fadeInUp 1s ease 0.3s forwards;
    opacity: 0;
}

.slider-controls {
    position: absolute;
    top: 50%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    transform: translateY(-50%);
    z-index: 10;
}

.slider-controls button {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: rgba(255,255,255,0.3);
    border: none;
    color: white;
    font-size: 1.2em;
    cursor: pointer;
    transition: all 0.3s ease;
}

.slider-controls button:hover {
    background-color: rgba(255,255,255,0.6);
}

.slider-dots {
    position: absolute;
    bottom: 30px;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: center;
    gap: 10px;
    z-index: 10;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255,255,255,0.5);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background-color: white;
    transform: scale(1.3);
}

/* 文化特色概览 */
.culture-highlights {
    padding: 80px 20px;
    background-color: #fff;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5em;
    color: #8b4513;
    margin-bottom: 15px;
}

.section-header p {
    font-size: 1.1em;
    color: #666;
    max-width: 700px;
    margin: 0 auto;
}

.highlights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.highlight-card {
    background-color: #f9f5f0;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    transition: all 0.3s ease;
}

.highlight-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.highlight-icon {
    width: 80px;
    height: 80px;
    background-color: #8b4513;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2em;
    margin: 0 auto 20px;
}

.highlight-card h3 {
    color: #333;
    margin-bottom: 15px;
    font-size: 1.4em;
}

.highlight-card p {
    color: #666;
    line-height: 1.6;
}

/* 最新动态 */
.latest-news {
    padding: 80px 20px;
    background-color: #f8f5f0;
}

.news-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.news-item {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.news-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.news-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.news-content {
    padding: 20px;
}

.news-date {
    display: inline-block;
    color: #8b4513;
    font-size: 0.9em;
    margin-bottom: 10px;
}

.news-item h3 {
    color: #333;
    margin-bottom: 15px;
    font-size: 1.3em;
}

.news-item p {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.read-more {
    display: inline-flex;
    align-items: center;
    color: #8b4513;
    font-weight: 500;
    transition: all 0.3s ease;
}

.read-more i {
    margin-left: 5px;
    transition: transform 0.3s ease;
}

.read-more:hover {
    color: #6d360f;
}

.read-more:hover i {
    transform: translateX(5px);
}

/* 文化体验区 */
.experience-section {
    padding: 80px 20px;
    background-color: #fff;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 40px;
    max-width: 1400px;
    margin: 0 auto;
}

.experience-content {
    flex: 1;
    min-width: 300px;
}

.experience-content h2 {
    font-size: 2.2em;
    color: #8b4513;
    margin-bottom: 20px;
}

.experience-content p {
    font-size: 1.1em;
    color: #666;
    line-height: 1.8;
    margin-bottom: 30px;
    max-width: 600px;
}

.experience-gallery {
    flex: 1;
    min-width: 300px;
    position: relative;
    height: 400px;
}

.exp-img {
    position: absolute;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: all 0.5s ease;
}

.exp-img:hover {
    transform: scale(1.05);
    z-index: 2;
}

.exp-img-1 {
    width: 60%;
    height: 70%;
    top: 0;
    left: 0;
    z-index: 1;
}

.exp-img-2 {
    width: 60%;
    height: 70%;
    bottom: 0;
    right: 0;
    z-index: 1;
}

.exp-img-3 {
    width: 40%;
    height: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
}

/* 文化数据 */
.culture-stats {
    padding: 60px 20px;
    background-color: #8b4513;
    color: white;
}

.stats-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    text-align: center;
}

.stat-item {
    padding: 20px;
    flex: 1;
    min-width: 200px;
}

.stat-number {
    font-size: 3em;
    font-weight: bold;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1.1em;
    opacity: 0.9;
}

/* 订阅区域 */
.subscribe-section {
    padding: 80px 20px;
    background-color: #f9f5f0;
    text-align: center;
}

.subscribe-content {
    max-width: 700px;
    margin: 0 auto;
}

.subscribe-content h2 {
    font-size: 2em;
    color: #8b4513;
    margin-bottom: 15px;
}

.subscribe-content p {
    font-size: 1.1em;
    color: #666;
    margin-bottom: 30px;
}

.subscribe-form {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}

.subscribe-form input {
    padding: 12px 20px;
    width: 350px;
    max-width: 100%;
    border: none;
    border-radius: 4px;
    font-size: 1em;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

/* 按钮样式 */
.btn-primary {
    display: inline-block;
    padding: 12px 30px;
    background-color: #8b4513;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 1em;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: #6d360f;
    transform: translateY(-3px);
}

.btn-secondary {
    display: inline-block;
    padding: 12px 30px;
    background-color: transparent;
    color: #8b4513;
    border: 2px solid #8b4513;
    border-radius: 4px;
    font-size: 1em;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background-color: #8b4513;
    color: white;
    transform: translateY(-3px);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .hero-slider {
        height: 400px;
    }
    
    .hero-caption h1 {
        font-size: 2.5em;
    }
    
    .hero-caption p {
        font-size: 1.2em;
    }
    
    .experience-gallery {
        height: 300px;
    }
    
    .section-header h2 {
        font-size: 2em;
    }
}

@media (max-width: 480px) {
    .hero-slider {
        height: 300px;
    }
    
    .hero-caption h1 {
        font-size: 2em;
    }
    
    .stat-number {
        font-size: 2.2em;
    }
}
/* 轮播图样式 */
.hero-slider {
    position: relative;
    width: 100%;
    height: 600px;
    overflow: hidden;
}

.slider-wrapper {
    width: 100%;
    height: 100%;
    position: relative;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
}

.hero-slide.active {
    opacity: 1;
    z-index: 1;
}

.hero-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-caption {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: white;
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
    z-index: 2;
    width: 90%;
    max-width: 800px;
}

.hero-caption h1 {
    font-size: 4em;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease;
}

.hero-caption p {
    font-size: 1.5em;
    margin-bottom: 30px;
    animation: fadeInUp 1s ease 0.3s forwards;
    opacity: 0;
}

/* 轮播控制按钮 */
.slider-controls {
    position: absolute;
    top: 50%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    transform: translateY(-50%);
    z-index: 10;
}

.slider-controls button {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: rgba(255,255,255,0.3);
    border: none;
    color: white;
    font-size: 1.2em;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-controls button:hover {
    background-color: rgba(255,255,255,0.6);
    transform: scale(1.1);
}

/* 轮播指示器 */
.slider-dots {
    position: absolute;
    bottom: 30px;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: center;
    gap: 10px;
    z-index: 10;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255,255,255,0.5);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background-color: white;
    transform: scale(1.3);
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 滚动动画元素 */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}



/* 响应式调整 */
@media (max-width: 768px) {
    .hero-slider {
        height: 400px;
    }
    
    .hero-caption h1 {
        font-size: 2.5em;
    }
    
    .hero-caption p {
        font-size: 1.2em;
    }
}

@media (max-width: 480px) {
    .hero-slider {
        height: 300px;
    }
    
    .hero-caption h1 {
        font-size: 2em;
    }
}
/* AI助手页面提示词样式 */
.ai-prompt-suggestion {
    position: fixed;
    bottom: 180px;
    left: 50%;
    transform: translateX(-50%);
    background-color: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    padding: 16px;
    max-width: 500px;
    width: 90%;
    z-index: 90;
    animation: aiSlideUp 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

.ai-prompt-suggestion.hidden {
    animation: aiSlideDown 0.3s ease forwards;
}

.ai-prompt-suggestion h4 {
    font-size: 14px;
    color: #4E5969;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
}

.ai-prompt-suggestion h4 i {
    margin-right: 6px;
    color: #8b4513;
}

.ai-prompt-suggestion .suggestion-text {
    font-size: 15px;
    color: #272E3B;
    line-height: 1.6;
    margin-bottom: 16px;
}

.ai-prompt-suggestion .suggestion-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

.ai-prompt-suggestion button {
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.ai-prompt-suggestion .cancel-btn {
    background-color: #F5F7FA;
    color: #4E5969;
    border: none;
}

.ai-prompt-suggestion .use-btn {
    background-color: #8b4513;
    color: white;
    border: none;
}

.ai-prompt-suggestion .cancel-btn:hover {
    background-color: #E5E6EB;
}

.ai-prompt-suggestion .use-btn:hover {
    background-color: #6d360f;
}

@keyframes aiSlideUp {
    from {
        opacity: 0;
        transform: translate(-50%, 20px);
    }
    to {
        opacity: 1;
        transform: translate(-50%, 0);
    }
}

@keyframes aiSlideDown {
    from {
        opacity: 1;
        transform: translate(-50%, 0);
    }
    to {
        opacity: 0;
        transform: translate(-50%, 20px);
    }
}
/* 建筑页面特有样式 */
.architecture-intro .intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.architecture-features {
    display: flex;
    gap: 20px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 8px;
    background-color: #f8f5f0;
    padding: 8px 15px;
    border-radius: 20px;
    color: #8b4513;
    font-size: 0.9em;
}

.feature-item i {
    font-size: 1.2em;
}

.types-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.type-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
}

.type-image img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.type-card:hover .type-image img {
    transform: scale(1.05);
}

.type-info {
    padding: 20px;
}

.type-info h3 {
    color: #8b4513;
    margin-bottom: 10px;
    font-size: 1.5em;
}

.type-facts {
    margin-top: 15px;
    display: flex;
    flex-direction: column;
    gap: 5px;
    font-size: 0.9em;
    color: #666;
}

.type-facts i {
    color: #8b4513;
    margin-right: 5px;
}

.exhibition-halls {
    background-color: #f8f5f0;
    padding: 60px 20px;
    margin-top: 30px;
    border-radius: 8px;
}

.interaction-section {
    background-color: #8b4513;
    color: white;
    padding: 60px 20px;
    text-align: center;
    margin-top: 60px;
}

.interaction-content {
    max-width: 600px;
    margin: 0 auto;
}

.qr-code {
    margin: 30px 0;
}

.qr-code img {
    width: 180px;
    height: 180px;
    border: 5px solid white;
    border-radius: 10px;
}

.btn-large {
    padding: 12px 30px;
    font-size: 1.1em;
}

/* 动画效果扩展 */
.reveal-element {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-element.revealed {
    opacity: 1;
    transform: translateY(0);
}

.hover-lift {
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.hover-lift:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.hover-scale {
    transition: transform 0.3s ease;
}

.hover-scale:hover {
    transform: scale(1.03);
}

.navbar-scrolled {
    padding: 8px 0;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .architecture-intro .intro-grid {
        grid-template-columns: 1fr;
    }
    
    .types-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline::after {
        left: 31px;
    }
    
    .timeline-item {
        width: 100%;
        padding-left: 70px;
        padding-right: 25px;
    }
    
    .timeline-item:nth-child(even) {
        left: 0%;
    }
    
    .timeline-item:nth-child(odd)::after,
    .timeline-item:nth-child(even)::after {
        left: 18px;
    }
}
/* 美食页面样式 */
.food-intro {
    padding: 40px 0;
    background-color: #fff;
}

.food-intro p {
    font-size: 1.1em;
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto;
}

/* 分类标签样式 */
.food-categories {
    background-color: #f8f5f0;
    padding: 20px 0;
    border-top: 1px solid #eee;
    border-bottom: 1px solid #eee;
}

.category-btn {
    background-color: transparent;
    border: 1px solid #8b4513;
    color: #8b4513;
    padding: 8px 18px;
    margin: 0 8px 10px 0;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
}

.category-btn.active {
    background-color: #8b4513;
    color: white;
}

.category-btn:hover:not(.active) {
    background-color: rgba(139, 69, 19, 0.1);
}

/* 美食卡片容器 */
.food-container {
    width: 90%;
    max-width: 1200px;
    margin: 40px auto;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

/* 美食卡片样式 */
.food-card {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    display: block;
}

.food-img {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.food-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.food-card:hover .food-img img {
    transform: scale(1.08);
}

.food-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0,0,0,0) 70%, rgba(0,0,0,0.5) 100%);
}

.food-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background-color: #8b4513;
    color: white;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.food-content {
    padding: 20px;
}

.food-content h3 {
    color: #333;
    margin-bottom: 10px;
    font-size: 1.3em;
}

.food-content p {
    color: #666;
    font-size: 0.95em;
    line-height: 1.6;
    margin-bottom: 15px;
}

.food-link {
    display: inline-flex;
    align-items: center;
    color: #8b4513;
    font-weight: 500;
    font-size: 0.9em;
    transition: all 0.3s ease;
}

.food-link i {
    margin-left: 5px;
    font-size: 0.8em;
    transition: transform 0.3s ease;
}

.food-link:hover {
    color: #6d360f;
}

.food-link:hover i {
    transform: translateX(5px);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .food-container {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
    
    .category-btn {
        padding: 6px 12px;
        font-size: 13px;
    }
}
/* 艺术页面特有样式 */
.art-intro {
    margin: 60px auto;
    text-align: center;
}

.intro-content {
    max-width: 800px;
    margin: 30px auto;
    font-size: 1.1em;
    line-height: 1.8;
}

/* 艺术门类样式 */
.art-categories {
    margin: 80px 0;
}

.art-category {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    margin-bottom: 80px;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.art-category.active {
    opacity: 1;
    transform: translateY(0);
}

.art-category.reverse {
    flex-direction: row-reverse;
}

.art-image {
    flex: 1;
    min-width: 300px;
    padding: 0 20px;
}

.art-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.5s ease;
}

.art-category:hover .art-image img {
    transform: scale(1.02);
}

.art-info {
    flex: 1;
    min-width: 300px;
    padding: 0 40px;
}

.art-info h3 {
    font-size: 2em;
    color: #8b4513;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
}

.art-info h3 i {
    margin-right: 15px;
    font-size: 1.5em;
}

.art-info p {
    margin-bottom: 20px;
    line-height: 1.8;
}

.art-characteristics {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin: 30px 0;
}

.characteristic-item {
    display: flex;
    align-items: center;
    background-color: #f1e9e0;
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.9em;
}

.characteristic-item .icon {
    margin-right: 8px;
    color: #8b4513;
}

.more-link {
    display: inline-flex;
    align-items: center;
    color: #8b4513;
    font-weight: 500;
    padding: 8px 15px;
    border: 1px solid #8b4513;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.more-link:hover {
    background-color: #8b4513;
    color: white;
}

.more-link i {
    margin-left: 8px;
    font-size: 0.9em;
}

/* 艺术场馆样式 */
.art-museums {
    margin: 80px auto;
}

.section-desc {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 40px;
    color: #666;
    font-size: 1.1em;
}

.card2.hover-scale {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card2.hover-scale:hover {
    transform: scale(1.03);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

/* 艺术名家样式 */
.art-masters {
    margin: 80px auto;
    background-color: #f9f6f2;
    padding: 60px 20px;
    border-radius: 8px;
}

.masters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.master-card {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.master-card:hover {
    transform: translateY(-5px);
}

.master-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.master-card h3 {
    padding: 20px 15px 10px;
    color: #8b4513;
    text-align: center;
}

.master-card p {
    padding: 0 15px 20px;
    color: #666;
    font-size: 0.95em;
    text-align: center;
    line-height: 1.6;
}

/* 艺术动态样式 */
.art-news {
    margin: 80px auto;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.news-item {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.news-item:hover {
    transform: translateY(-5px);
}

.news-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.news-content {
    padding: 20px;
}

.news-date {
    display: inline-block;
    color: #8b4513;
    font-size: 0.9em;
    margin-bottom: 10px;
}

.news-content h3 {
    color: #333;
    margin-bottom: 15px;
    font-size: 1.2em;
}

.news-content p {
    color: #666;
    font-size: 0.95em;
    margin-bottom: 20px;
    line-height: 1.6;
}

.read-more {
    display: inline-flex;
    align-items: center;
    color: #8b4513;
    font-weight: 500;
    transition: color 0.3s ease;
}

.read-more i {
    margin-left: 8px;
    font-size: 0.9em;
    transition: transform 0.3s ease;
}

.read-more:hover {
    color: #6d360f;
}

.read-more:hover i {
    transform: translateX(5px);
}

/* 滚动显示动画 */
.reveal-section {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-section.active {
    opacity: 1;
    transform: translateY(0);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .art-category {
        flex-direction: column;
    }
    
    .art-category.reverse {
        flex-direction: column;
    }
    
    .art-info {
        padding: 30px 20px 0;
    }
    
    .art-image {
        padding: 0 20px;
    }
    
    .art-characteristics {
        justify-content: center;
    }
}
/* 认证区域样式 */
.auth-section {
    margin-bottom: 40px;
    padding: 20px;
    background-color: #f9f5f0;
    border-radius: 8px;
}

.auth-buttons {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.auth-btn {
    padding: 8px 16px;
    background-color: #8b4513;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.auth-btn:hover {
    background-color: #6d360f;
    transform: translateY(-2px);
}

.user-info {
    margin-left: auto;
    color: #8b4513;
    font-weight: 500;
}

/* 模态框样式 */
.auth-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.auth-modal.modal-visible {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background-color: white;
    padding: 30px;
    border-radius: 8px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transform: translateY(-20px);
    transition: transform 0.3s ease;
}

.auth-modal.modal-visible .modal-content {
    transform: translateY(0);
}

.close-btn {
    float: right;
    font-size: 1.5em;
    cursor: pointer;
    color: #8b4513;
    transition: color 0.3s ease;
}

.close-btn:hover {
    color: #6d360f;
}

/* 反馈列表样式 */
.feedback-list-section {
    margin-top: 60px;
}

.feedback-list-section h3 {
    color: #8b4513;
    margin-bottom: 20px;
    font-size: 1.5em;
    padding-bottom: 10px;
    border-bottom: 2px solid #e0b8b8;
}

.feedback-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.feedback-item {
    background-color: white;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.5s ease forwards;
}

.feedback-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* 为每个反馈项添加不同的动画延迟 */
.feedback-item:nth-child(1) { animation-delay: 0.1s; }
.feedback-item:nth-child(2) { animation-delay: 0.2s; }
.feedback-item:nth-child(3) { animation-delay: 0.3s; }
.feedback-item:nth-child(4) { animation-delay: 0.4s; }
.feedback-item:nth-child(5) { animation-delay: 0.5s; }

.feedback-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid #eee;
}

.feedback-header h4 {
    color: #333;
    margin: 0;
}

.feedback-date {
    font-size: 0.85em;
    color: #666;
}

.feedback-content {
    margin-bottom: 15px;
}

.feedback-meta {
    display: flex;
    justify-content: flex-end;
    font-size: 0.9em;
    color: #8b4513;
}

/* 回复样式 */
.feedback-reply {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px dashed #e0b8b8;
    background-color: #f9f5f0;
    padding: 15px;
    border-radius: 4px;
}

.reply-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-size: 0.9em;
}

.reply-author {
    font-weight: 500;
    color: #8b4513;
}

.reply-date {
    color: #666;
}

/* 回复表单样式 */
.reply-form-container {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px dashed #e0b8b8;
}

.reply-input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    margin-bottom: 10px;
    min-height: 80px;
    resize: vertical;
}

.reply-btn {
    background-color: #8b4513;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.reply-btn:hover {
    background-color: #6d360f;
}

/* 登录提示样式 */
.login-prompt {
    text-align: center;
    padding: 40px 20px;
    background-color: #f1f1f1;
    border-radius: 8px;
    color: #666;
}

.no-feedback {
    text-align: center;
    padding: 40px 20px;
    color: #666;
    background-color: #f9f5f0;
    border-radius: 8px;
}

