/* ========== 全局样式 ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Noto Serif SC", "Source Han Serif SC", "SimSun", "宋体", serif;
    font-size: 16px;
    line-height: 1.8;
    color: #f5f0e8;
    background-color: #1a1a1a;
}

a {
    color: #b8944f;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #5a7a6a;
}

/* ========== 导航栏 ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(to bottom, rgba(26,26,26,0.95), rgba(26,26,26,0.85));
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 0 5%;
    border-bottom: 1px solid rgba(184,148,79,0.3);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-family: "ZCOOL XiaoWei", "KaiTi", "楷体", serif;
    font-size: 26px;
    font-weight: bold;
    color: #b8944f;
    letter-spacing: 4px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-links a {
    font-family: "Noto Serif SC", "SimSun", serif;
    font-size: 17px;
    font-weight: 500;
    color: #f5f0e8;
    letter-spacing: 2px;
    padding: 5px 0;
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
}

.nav-links a:hover {
    color: #b8944f;
    border-bottom-color: #b8944f;
}

.nav-links a.active {
    color: #b8944f;
    border-bottom-color: #b8944f;
}

/* ========== Hero区域 ========== */
.hero {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.4) contrast(1.1);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, 
        rgba(26,26,26,0.3) 0%, 
        rgba(26,26,26,0.1) 40%, 
        rgba(26,26,26,0.6) 100%);
}

.hero-content {
    position: relative;
    text-align: center;
    z-index: 2;
    padding: 0 20px;
}

.hero-title {
    font-family: "ZCOOL XiaoWei", "KaiTi", "楷体", serif;
    font-size: 72px;
    font-weight: bold;
    color: #b8944f;
    letter-spacing: 12px;
    margin-bottom: 20px;
    text-shadow: 0 2px 20px rgba(0,0,0,0.5);
}

.hero-subtitle {
    font-family: "Noto Serif SC", "SimSun", serif;
    font-size: 28px;
    font-weight: 400;
    color: #f5f0e8;
    letter-spacing: 8px;
    margin-bottom: 40px;
}

.hero-desc {
    max-width: 800px;
    margin: 0 auto;
    font-size: 17px;
    line-height: 2;
    color: rgba(245,240,232,0.85);
    letter-spacing: 1px;
}

.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 14px;
    color: rgba(245,240,232,0.6);
    letter-spacing: 4px;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-10px); }
}

/* ========== 通用区域 ========== */
.section {
    padding: 80px 5%;
}

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

.section-title {
    font-family: "ZCOOL XiaoWei", "KaiTi", "楷体", serif;
    font-size: 42px;
    font-weight: bold;
    color: #b8944f;
    text-align: center;
    margin-bottom: 15px;
    letter-spacing: 6px;
}

.section-subtitle {
    font-size: 18px;
    color: rgba(245,240,232,0.6);
    text-align: center;
    margin-bottom: 60px;
    letter-spacing: 2px;
}

/* ========== 文化卡片 ========== */
.culture-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 35px;
    margin-bottom: 80px;
}

.culture-card {
    background: rgba(245,240,232,0.05);
    border: 1px solid rgba(184,148,79,0.25);
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.4s ease;
    cursor: pointer;
}

.culture-card:hover {
    transform: translateY(-8px);
    border-color: #b8944f;
    box-shadow: 0 15px 40px rgba(0,0,0,0.3);
}

.culture-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: transform 0.4s ease;
}

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

.culture-card-content {
    padding: 25px;
}

.culture-card-title {
    font-family: "ZCOOL XiaoWei", "KaiTi", "楷体", serif;
    font-size: 24px;
    font-weight: bold;
    color: #b8944f;
    margin-bottom: 12px;
    letter-spacing: 2px;
}

.culture-card-desc {
    font-size: 15px;
    color: rgba(245,240,232,0.75);
    line-height: 1.7;
}

/* ========== 引言区域 ========== */
.intro-section {
    background: rgba(245,240,232,0.03);
    border-top: 1px solid rgba(184,148,79,0.15);
    border-bottom: 1px solid rgba(184,148,79,0.15);
}

.intro-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.intro-text {
    font-size: 18px;
    line-height: 2.2;
    color: rgba(245,240,232,0.85);
    letter-spacing: 1px;
}

.intro-highlight {
    color: #b8944f;
    font-weight: bold;
}

/* ========== 表格样式 ========== */
.table-section {
    margin: 60px 0;
}

.styled-table {
    width: 100%;
    border-collapse: collapse;
    margin: 30px 0;
    font-size: 15px;
}

.styled-table thead tr {
    background: rgba(184,148,79,0.2);
    border-bottom: 2px solid #b8944f;
}

.styled-table th {
    padding: 18px 20px;
    text-align: center;
    font-family: "KaiTi", "楷体", serif;
    font-size: 18px;
    font-weight: bold;
    color: #b8944f;
    letter-spacing: 2px;
    border-right: 1px solid rgba(184,148,79,0.3);
}

.styled-table th:last-child {
    border-right: none;
}

.styled-table td {
    padding: 15px 20px;
    text-align: left;
    border-bottom: 1px solid rgba(184,148,79,0.15);
    border-right: 1px solid rgba(184,148,79,0.1);
    color: rgba(245,240,232,0.85);
    line-height: 1.6;
}

.styled-table td:last-child {
    border-right: none;
}

.styled-table tbody tr:nth-child(even) {
    background: rgba(245,240,232,0.03);
}

.styled-table tbody tr:hover {
    background: rgba(184,148,79,0.08);
}

/* 合并单元格样式 */
.styled-table .merged-cell {
    text-align: center;
    vertical-align: middle;
    font-weight: bold;
    color: #b8944f;
    background: rgba(184,148,79,0.05);
}

/* ========== 时间线 ========== */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 60px auto;
    padding-left: 40px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 3px;
    background: linear-gradient(to bottom, #b8944f, #5a7a6a);
}

.timeline-item {
    position: relative;
    padding: 30px 0 30px 40px;
    border-bottom: 1px solid rgba(184,148,79,0.15);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -48px;
    top: 35px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #b8944f;
    border: 3px solid #1a1a1a;
    box-shadow: 0 0 0 2px #b8944f;
}

.timeline-year {
    font-family: "ZCOOL XiaoWei", "KaiTi", "楷体", serif;
    font-size: 24px;
    font-weight: bold;
    color: #b8944f;
    margin-bottom: 8px;
}

.timeline-title {
    font-size: 20px;
    font-weight: bold;
    color: #f5f0e8;
    margin-bottom: 10px;
    letter-spacing: 1px;
}

.timeline-desc {
    font-size: 16px;
    color: rgba(245,240,232,0.75);
    line-height: 1.8;
}

/* ========== 热点地图区域 ========== */
.hotspot-map {
    position: relative;
    max-width: 800px;
    margin: 50px auto;
}

.hotspot-map img {
    width: 100%;
    border-radius: 8px;
    border: 1px solid rgba(184,148,79,0.3);
}

/* ========== 表单样式 ========== */
.form-section {
    max-width: 700px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 30px;
}

.form-label {
    display: block;
    font-size: 17px;
    font-weight: bold;
    color: #b8944f;
    margin-bottom: 10px;
    letter-spacing: 1px;
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 14px 18px;
    background: rgba(245,240,232,0.08);
    border: 1px solid rgba(184,148,79,0.3);
    border-radius: 6px;
    color: #f5f0e8;
    font-family: "Noto Serif SC", "SimSun", serif;
    font-size: 16px;
    transition: all 0.3s ease;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: #b8944f;
    background: rgba(245,240,232,0.12);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-select option {
    background: #2a2a2a;
    color: #f5f0e8;
}

.radio-group,
.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 10px;
}

.radio-item,
.checkbox-item {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.radio-item input,
.checkbox-item input {
    width: 18px;
    height: 18px;
    accent-color: #b8944f;
    cursor: pointer;
}

.radio-item label,
.checkbox-item label {
    font-size: 16px;
    color: rgba(245,240,232,0.85);
    cursor: pointer;
}

.btn-submit {
    display: inline-block;
    padding: 14px 50px;
    background: linear-gradient(135deg, #b8944f, #9a7a3f);
    color: #1a1a1a;
    font-family: "Noto Serif SC", "KaiTi", serif;
    font-size: 18px;
    font-weight: bold;
    letter-spacing: 4px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(184,148,79,0.3);
}

/* ========== 联系方式区域 ========== */
.contact-info {
    background: rgba(245,240,232,0.05);
    border: 1px solid rgba(184,148,79,0.25);
    border-radius: 8px;
    padding: 40px;
    margin-top: 50px;
}

.contact-info-title {
    font-family: "KaiTi", "楷体", serif;
    font-size: 24px;
    color: #b8944f;
    margin-bottom: 25px;
    text-align: center;
    letter-spacing: 3px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 0;
    border-bottom: 1px solid rgba(184,148,79,0.15);
    font-size: 16px;
    color: rgba(245,240,232,0.85);
}

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

.contact-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(184,148,79,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}

/* ========== 页脚版权 ========== */
.footer {
    background: #111;
    border-top: 1px solid rgba(184,148,79,0.2);
    padding: 40px 5%;
    text-align: center;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

.footer-links a {
    font-size: 15px;
    color: rgba(245,240,232,0.6);
    letter-spacing: 1px;
}

.footer-links a:hover {
    color: #b8944f;
}

.footer-copyright {
    font-size: 14px;
    color: rgba(245,240,232,0.5);
    line-height: 2;
}

.footer-copyright .author {
    color: #b8944f;
    font-weight: bold;
}

/* ========== 特色展示图 ========== */
.featured-image {
    text-align: center;
    margin: 50px auto;
    max-width: 1000px;
}

.featured-image img {
    width: 100%;
    border-radius: 10px;
    border: 1px solid rgba(184,148,79,0.3);
    box-shadow: 0 10px 40px rgba(0,0,0,0.4);
}

.featured-caption {
    margin-top: 15px;
    font-size: 14px;
    color: rgba(245,240,232,0.5);
    font-style: italic;
}

/* ========== 页头横幅 ========== */
.page-banner {
    position: relative;
    width: 100%;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-top: 70px;
}

.page-banner img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.3);
}

.page-banner-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.page-banner-title {
    font-family: "ZCOOL XiaoWei", "KaiTi", "楷体", serif;
    font-size: 48px;
    font-weight: bold;
    color: #b8944f;
    letter-spacing: 8px;
    margin-bottom: 15px;
}

.page-banner-subtitle {
    font-size: 20px;
    color: rgba(245,240,232,0.7);
    letter-spacing: 3px;
}

/* ========== 内容网格 ========== */
.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin: 50px 0;
}

.content-card {
    background: rgba(245,240,232,0.05);
    border: 1px solid rgba(184,148,79,0.2);
    border-radius: 8px;
    padding: 35px;
    transition: all 0.3s ease;
}

.content-card:hover {
    border-color: #b8944f;
    background: rgba(245,240,232,0.08);
}

.content-card h3 {
    font-family: "KaiTi", "楷体", serif;
    font-size: 22px;
    color: #b8944f;
    margin-bottom: 15px;
    letter-spacing: 2px;
}

.content-card p {
    font-size: 15px;
    color: rgba(245,240,232,0.75);
    line-height: 1.8;
}

/* ========== 两栏布局 ========== */
.two-column {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

@media (max-width: 768px) {
    .two-column {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 42px;
    }
    
    .nav-links {
        gap: 20px;
    }
    
    .nav-links a {
        font-size: 14px;
    }
}

/* ========== 滚动动画 ========== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========== 知识测试区域 ========== */
.quiz-section {
    background: rgba(245,240,232,0.03);
    border: 1px solid rgba(184,148,79,0.2);
    border-radius: 10px;
    padding: 40px;
    margin-top: 50px;
}

.quiz-title {
    font-family: "KaiTi", "楷体", serif;
    font-size: 26px;
    color: #b8944f;
    text-align: center;
    margin-bottom: 30px;
    letter-spacing: 3px;
}

.quiz-question {
    font-size: 17px;
    font-weight: bold;
    color: #f5f0e8;
    margin-bottom: 20px;
}