/* 武夷山历史文化网站主样式 */

/* 字体导入 */
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@300;400;500;600;700&family=Noto+Sans+SC:wght@300;400;500;600;700&display=swap');

/* CSS变量定义 */
:root {
  /* 颜色方案 */
  --primary-color: #2D5016;
  --secondary-color: #D4AF37;
  --background-color: #F8F6F0;
  --text-color: #333333;
  --accent-color: #C8102E;
  --light-gray: #F5F5F5;
  --medium-gray: #CCCCCC;
  --dark-gray: #666666;
  --white: #FFFFFF;
  
  /* 字体 */
  --font-serif: 'Noto Serif SC', 'Source Han Serif', Georgia, serif;
  --font-sans: 'Noto Sans SC', 'Source Han Sans', Arial, sans-serif;
  
  /* 间距 */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;
  
  /* 圆角 */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
  --border-radius-xl: 16px;
  
  /* 阴影 */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.2);
  
  /* 过渡 */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* 基础重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--background-color);
  overflow-x: hidden;
}

/* 无障碍设计 */
*:focus {
  outline: 2px solid var(--accent-color);
  outline-offset: 2px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* 容器 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-fluid {
  width: 100%;
  padding: 0 var(--spacing-md);
}

/* 头部导航 */
.header {
  background: linear-gradient(135deg, var(--primary-color) 0%, #1a3009 100%);
  color: var(--white);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-md);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) 0;
}

.logo {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--secondary-color);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.logo:hover {
  color: var(--white);
  transition: var(--transition-normal);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
  align-items: center;
}

.nav-link {
  color: var(--white);
  text-decoration: none;
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-md);
  transition: var(--transition-normal);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--secondary-color);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 2px;
  background-color: var(--secondary-color);
  transition: var(--transition-normal);
  transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 80%;
}

/* 搜索框 */
.search-container {
  position: relative;
  display: flex;
  align-items: center;
}

.search-input {
  padding: var(--spacing-xs) var(--spacing-sm);
  border: none;
  border-radius: var(--border-radius-md);
  background-color: rgba(255, 255, 255, 0.9);
  color: var(--text-color);
  font-size: 0.9rem;
  width: 250px;
  transition: var(--transition-normal);
}

.search-input:focus {
  background-color: var(--white);
  box-shadow: var(--shadow-sm);
  width: 300px;
}

.search-btn {
  position: absolute;
  right: var(--spacing-xs);
  background: none;
  border: none;
  color: var(--text-color);
  cursor: pointer;
  padding: var(--spacing-xs);
  border-radius: var(--border-radius-sm);
  transition: var(--transition-fast);
}

.search-btn:hover {
  background-color: var(--light-gray);
}

/* 英雄区域 */
.hero {
  position: relative;
  height: 70vh;
  min-height: 500px;
  background: linear-gradient(rgba(45, 80, 22, 0.4), rgba(45, 80, 22, 0.6)),
              url('../images/ShO0Yzw7Syq7.jpg') center/cover no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--white);
}

.hero-content {
  max-width: 800px;
  padding: var(--spacing-xl);
  background: rgba(0, 0, 0, 0.3);
  border-radius: var(--border-radius-xl);
  backdrop-filter: blur(10px);
  animation: fadeInUp 1s ease-out;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
  color: var(--secondary-color);
}

.hero-subtitle {
  font-size: 1.3rem;
  margin-bottom: var(--spacing-lg);
  opacity: 0.9;
  line-height: 1.8;
}

.hero-description {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-xl);
  opacity: 0.8;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* 按钮样式 */
.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  border: none;
  border-radius: var(--border-radius-md);
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  text-align: center;
  cursor: pointer;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--secondary-color) 0%, #b8941f 100%);
  color: var(--white);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  background: linear-gradient(135deg, #b8941f 0%, var(--secondary-color) 100%);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border: 2px solid var(--white);
}

.btn-secondary:hover {
  background-color: var(--white);
  color: var(--primary-color);
}

/* 章节样式 */
.section {
  padding: var(--spacing-xxl) 0;
}

.section-title {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 600;
  text-align: center;
  margin-bottom: var(--spacing-xl);
  color: var(--primary-color);
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, var(--secondary-color) 0%, var(--accent-color) 100%);
  transform: translateX(-50%);
  border-radius: 2px;
}

.section-subtitle {
  text-align: center;
  font-size: 1.2rem;
  color: var(--dark-gray);
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* 历史人物卡片 */
.figures-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.figure-card {
  background: var(--white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
  cursor: pointer;
  position: relative;
}

.figure-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.figure-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: var(--transition-slow);
}

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

.figure-content {
  padding: var(--spacing-md);
}

.figure-name {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: var(--spacing-xs);
}

.figure-title {
  color: var(--secondary-color);
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
}

.figure-period {
  color: var(--dark-gray);
  font-size: 0.9rem;
  margin-bottom: var(--spacing-sm);
}

.figure-description {
  color: var(--text-color);
  font-size: 0.95rem;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.figure-category {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  background: var(--accent-color);
  color: var(--white);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  font-size: 0.8rem;
  font-weight: 500;
}

/* 时间轴 */
.timeline {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
  padding: var(--spacing-lg) 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--secondary-color) 0%, var(--accent-color) 100%);
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--spacing-xl);
  width: 50%;
  padding: 0 var(--spacing-lg);
}

.timeline-item:nth-child(odd) {
  left: 0;
  text-align: right;
}

.timeline-item:nth-child(even) {
  left: 50%;
  text-align: left;
}

.timeline-content {
  background: var(--white);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  position: relative;
  transition: var(--transition-normal);
  cursor: pointer;
}

.timeline-content:hover {
  box-shadow: var(--shadow-md);
  transform: scale(1.02);
}

.timeline-year {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--secondary-color);
  margin-bottom: var(--spacing-xs);
}

.timeline-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: var(--spacing-xs);
}

.timeline-description {
  color: var(--text-color);
  line-height: 1.6;
  font-size: 0.95rem;
}

.timeline-dot {
  position: absolute;
  top: 20px;
  width: 16px;
  height: 16px;
  background: var(--secondary-color);
  border: 4px solid var(--white);
  border-radius: 50%;
  box-shadow: var(--shadow-sm);
}

.timeline-item:nth-child(odd) .timeline-dot {
  right: -8px;
}

.timeline-item:nth-child(even) .timeline-dot {
  left: -8px;
}

/* 快速导航 */
.quick-nav {
  background: linear-gradient(135deg, var(--primary-color) 0%, #1a3009 100%);
  color: var(--white);
  padding: var(--spacing-xxl) 0;
}

.nav-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.nav-card {
  background: rgba(255, 255, 255, 0.1);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  text-align: center;
  transition: var(--transition-normal);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.nav-card:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-5px);
}

.nav-card-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
  color: var(--secondary-color);
}

.nav-card-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.nav-card-description {
  margin-bottom: var(--spacing-md);
  opacity: 0.9;
}

/* 页脚 */
.footer {
  background: var(--text-color);
  color: var(--white);
  padding: var(--spacing-xl) 0 var(--spacing-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-section h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  margin-bottom: var(--spacing-sm);
  color: var(--secondary-color);
}

.footer-section p,
.footer-section a {
  color: var(--light-gray);
  text-decoration: none;
  line-height: 1.8;
}

.footer-section a:hover {
  color: var(--secondary-color);
  transition: var(--transition-fast);
}

.footer-bottom {
  border-top: 1px solid var(--dark-gray);
  padding-top: var(--spacing-md);
  text-align: center;
  color: var(--medium-gray);
}

/* 动画 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.fade-in {
  animation: fadeIn 0.6s ease-out;
}

.fade-in-up {
  animation: fadeInUp 0.8s ease-out;
}

/* 工具类 */
.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.hidden {
  display: none;
}

.visible {
  display: block;
}

/* 加载动画 */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: var(--secondary-color);
  animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}


/* 搜索模态框样式 */
#search-modal {
    display: none;
}

#search-modal .modal-content {
    max-width: 800px;
    max-height: 80vh;
    overflow-y: auto;
}

.search-summary {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--light-gray);
}

.search-summary h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.search-summary p {
    color: var(--dark-gray);
    font-size: 0.95rem;
}

.search-section {
    margin-bottom: 2rem;
}

.search-section h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
    border-left: 4px solid var(--secondary-color);
    padding-left: 1rem;
}

.search-results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
}

.search-results-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.search-result-item {
    background: white;
    border: 1px solid var(--light-gray);
    border-radius: var(--border-radius-md);
    padding: 1rem;
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    gap: 1rem;
}

.search-result-item:hover,
.search-result-item:focus {
    border-color: var(--secondary-color);
    box-shadow: var(--shadow-sm);
    transform: translateY(-2px);
}

.search-result-item img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: var(--border-radius-sm);
    flex-shrink: 0;
}

.search-result-content {
    flex: 1;
}

.search-result-item h5 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.search-result-meta {
    color: var(--dark-gray);
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
}

.search-result-description {
    color: var(--text-color);
    font-size: 0.9rem;
    line-height: 1.5;
}

.search-result-description mark {
    background-color: var(--accent-color);
    color: white;
    padding: 0.1rem 0.2rem;
    border-radius: 2px;
}

.no-results {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--dark-gray);
}

.no-results p:first-child {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.no-results ul {
    text-align: left;
    display: inline-block;
    margin-top: 1rem;
}

.no-results li {
    margin-bottom: 0.5rem;
}

/* 搜索建议样式 */
.search-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border: 1px solid var(--medium-gray);
    border-top: none;
    border-radius: 0 0 var(--border-radius-md) var(--border-radius-md);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    max-height: 300px;
    overflow-y: auto;
}

.search-suggestion-item {
    padding: 0.75rem 1rem;
    cursor: pointer;
    border-bottom: 1px solid var(--light-gray);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-fast);
}

.search-suggestion-item:hover,
.search-suggestion-item:focus {
    background-color: var(--light-gray);
}

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

.suggestion-text {
    font-weight: 500;
    color: var(--primary-color);
}

.suggestion-type {
    font-size: 0.8rem;
    color: var(--dark-gray);
    background: var(--light-gray);
    padding: 0.2rem 0.5rem;
    border-radius: var(--border-radius-sm);
}

/* 反馈模态框样式 */
#feedback-modal {
    display: none;
}

#feedback-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 500;
    color: var(--primary-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem;
    border: 2px solid var(--medium-gray);
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--secondary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

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

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 1rem;
}

/* 快速反馈样式 */
.quick-feedback-container {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    z-index: 1000;
}

.quick-feedback-toggle {
    background: var(--secondary-color);
    color: white;
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    font-weight: 500;
}

.quick-feedback-toggle:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.quick-feedback-options {
    position: absolute;
    bottom: 100%;
    left: 0;
    background: white;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-lg);
    padding: 1rem;
    margin-bottom: 0.5rem;
    min-width: 200px;
}

.quick-feedback-btn {
    display: block;
    width: 100%;
    padding: 0.5rem;
    margin-bottom: 0.5rem;
    background: transparent;
    border: 1px solid var(--medium-gray);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
    text-align: left;
}

.quick-feedback-btn:hover {
    background: var(--light-gray);
    border-color: var(--secondary-color);
}

.quick-feedback-btn:last-child {
    margin-bottom: 0;
}

.quick-feedback-btn.positive:hover {
    background: #d4edda;
    border-color: #28a745;
    color: #155724;
}

.quick-feedback-btn.negative:hover {
    background: #f8d7da;
    border-color: #dc3545;
    color: #721c24;
}

.quick-feedback-btn.neutral:hover {
    background: #d1ecf1;
    border-color: #17a2b8;
    color: #0c5460;
}

/* 满意度调查样式 */
.satisfaction-survey {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    padding: 1.5rem;
    max-width: 300px;
    z-index: 1000;
    border: 1px solid var(--light-gray);
}

.survey-content h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.survey-content p {
    color: var(--text-color);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.satisfaction-options {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.satisfaction-btn {
    padding: 0.5rem;
    background: transparent;
    border: 1px solid var(--medium-gray);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
    text-align: left;
    font-size: 0.9rem;
}

.satisfaction-btn:hover {
    background: var(--light-gray);
    border-color: var(--secondary-color);
}

.survey-close {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: transparent;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    color: var(--dark-gray);
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.survey-close:hover {
    color: var(--primary-color);
}

/* 额外的响应式调整 */
@media (max-width: 768px) {
    .search-results-grid {
        grid-template-columns: 1fr;
    }
    
    .search-result-item {
        flex-direction: column;
        text-align: center;
    }
    
    .search-result-item img {
        width: 100%;
        height: 150px;
        align-self: center;
    }
    
    .quick-feedback-container {
        bottom: 1rem;
        left: 1rem;
    }
    
    .satisfaction-survey {
        bottom: 1rem;
        right: 1rem;
        left: 1rem;
        max-width: none;
    }
    
    .satisfaction-options {
        flex-direction: row;
        flex-wrap: wrap;
    }
    
    .satisfaction-btn {
        flex: 1;
        min-width: calc(50% - 0.25rem);
        font-size: 0.8rem;
        padding: 0.4rem;
    }
}