/* 全局样式变量 */
:root {
  --primary-color: #1976d2;
  --secondary-color: #ffc107;
  --accent-color: #ff5722;
  --text-color: #333;
  --text-light: #666;
  --bg-light: #f8f9fa;
  --border-color: #e0e0e0;
  --shadow: 0 2px 10px rgba(0,0,0,0.1);
  --shadow-hover: 0 4px 20px rgba(0,0,0,0.15);
  --border-radius: 8px;
  --transition: all 0.3s ease;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: #fff;
}

/* 导航栏样式 */
.navbar {
  background-color: #fff;
  box-shadow: var(--shadow);
  padding: 1rem 0;
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
}

.navbar-brand {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--primary-color) !important;
  text-decoration: none;
}

.navbar-nav .nav-link {
  color: var(--text-color) !important;
  font-weight: 500;
  margin: 0 0.5rem;
  transition: var(--transition);
}

.navbar-nav .nav-link:hover {
  color: var(--primary-color) !important;
}

/* 导航栏logo样式 */
.navbar-logo {
  height: 40px;
  width: auto;
  object-fit: contain;
  border-radius: 4px;
}

/* 微信小程序码样式 */
.qr-code-img {
  width: 150px;
  height: 150px;
  object-fit: contain;
  border-radius: 8px;
  border: 2px solid #e9ecef;
  background: white;
  padding: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.qr-code-img:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

/* 下载页面微信小程序码样式 */
.qr-code-large .qr-code-img {
  width: 180px;
  height: 180px;
}

/* 导航栏滚动后的样式 */
.navbar-scrolled {
  background-color: rgba(255, 255, 255, 0.95) !important;
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar-scrolled .navbar-logo {
  height: 35px;
  transition: height 0.3s ease;
}

/* Hero区域样式 */
.hero {
  background: linear-gradient(135deg, var(--primary-color), #1565c0);
  color: white;
  padding: 120px 0 80px;
  margin-top: 80px;
  text-align: center;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.hero .btn {
  margin: 0 0.5rem;
  padding: 0.75rem 2rem;
  font-size: 1.1rem;
  border-radius: var(--border-radius);
}

/* 功能特色区域 */
.features {
  padding: 80px 0;
  background-color: var(--bg-light);
}

.feature-card {
  background: white;
  border-radius: var(--border-radius);
  padding: 2rem;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
  height: 100%;
}

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

.feature-icon {
  width: 80px;
  height: 80px;
  background: var(--primary-color);
  border-radius: 50%;
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 2rem;
}

.feature-card h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

/* 下载区域样式 */
.download-section {
  padding: 80px 0;
  background: white;
}

.download-card {
  background: var(--bg-light);
  border-radius: var(--border-radius);
  padding: 2rem;
  text-align: center;
  border: 2px solid transparent;
  transition: var(--transition);
}

.download-card:hover {
  border-color: var(--primary-color);
  transform: translateY(-3px);
}

.download-icon {
  width: 100px;
  height: 100px;
  margin: 0 auto 1rem;
  background: var(--primary-color);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 3rem;
}

/* 关于我们区域 */
.about-section {
  padding: 80px 0;
  background: var(--bg-light);
}

.company-info {
  background: white;
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--shadow);
}

/* 页脚样式 */
.footer {
  background: #333;
  color: white;
  padding: 40px 0 20px;
}

.footer h5 {
  color: var(--secondary-color);
  margin-bottom: 1rem;
}

.footer a {
  color: #ccc;
  text-decoration: none;
  transition: var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid #555;
  margin-top: 2rem;
  padding-top: 1rem;
  text-align: center;
  color: #ccc;
}

/* 按钮样式 */
.btn-primary {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.btn-primary:hover {
  background-color: #1565c0;
  border-color: #1565c0;
  transform: translateY(-2px);
}

.btn-outline-primary {
  color: var(--primary-color);
  border-color: var(--primary-color);
  border-radius: var(--border-radius);
}

.btn-outline-primary:hover {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

/* 响应式设计 */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .hero p {
    font-size: 1rem;
  }
  
  .hero .btn {
    display: block;
    margin: 0.5rem auto;
    width: 200px;
  }
  
  .navbar-brand {
    font-size: 1.2rem;
  }
  
  .features,
  .download-section,
  .about-section {
    padding: 60px 0;
  }
}

@media (max-width: 576px) {
  .hero {
    padding: 100px 0 60px;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .feature-card,
  .download-card,
  .company-info {
    margin-bottom: 2rem;
  }
}

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

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

/* 迷你功能图标 */
.mini-feature {
  display: flex;
  align-items: center;
  margin-bottom: 0.75rem;
  font-size: 0.9rem;
}

.mini-feature i {
  margin-right: 0.5rem;
  font-size: 1rem;
}

/* 下载按钮样式 */
.download-buttons {
  margin: 1.5rem 0;
}

.download-buttons .btn {
  display: block;
  width: 100%;
  margin-bottom: 0.5rem;
}

/* 二维码样式 */
.qr-code-item {
  text-align: center;
}

.qr-placeholder {
  width: 120px;
  height: 120px;
  border: 2px dashed #ddd;
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
}

/* 统计数据样式 */
.stat-item {
  text-align: center;
}

.stat-item h4 {
  font-size: 2rem;
  font-weight: bold;
  margin-bottom: 0.25rem;
}

/* 社交链接 */
.social-links a {
  color: #ccc;
  font-size: 1.5rem;
  transition: var(--transition);
}

.social-links a:hover {
  color: var(--secondary-color);
}

/* 导航栏滚动效果 */
.navbar-scrolled {
  background-color: rgba(255, 255, 255, 0.95) !important;
  backdrop-filter: blur(10px);
}

/* Hero图片区域 */
.hero-image {
  position: relative;
}

.hero-image::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 300px;
  height: 300px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  z-index: -1;
}

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

.mb-4 {
  margin-bottom: 1.5rem;
}

.mt-4 {
  margin-top: 1.5rem;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 3rem;
  text-align: center;
}

/* 悬停效果增强 */
.download-card:hover .download-icon {
  transform: scale(1.1);
}

.feature-card:hover .feature-icon {
  transform: scale(1.1);
}

/* 页面头部样式 */
.page-header {
  background: linear-gradient(135deg, var(--primary-color), #1565c0);
  color: white;
  padding: 120px 0 80px;
  margin-top: 80px;
  text-align: center;
}

.page-header h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

/* 应用详情区域 */
.app-detail-section {
  padding: 80px 0;
}

.app-intro {
  padding: 2rem 0;
}

.app-badge {
  display: inline-flex;
  align-items: center;
  background: var(--secondary-color);
  color: #333;
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.app-badge i {
  margin-right: 0.5rem;
  font-size: 1.2rem;
}

.app-highlights {
  margin-top: 2rem;
}

.highlight-item {
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.highlight-item i {
  margin-right: 1rem;
  font-size: 1.2rem;
}

/* 手机模型 */
.phone-mockup {
  position: relative;
  padding: 2rem;
}

/* 功能模块卡片 */
.feature-modules {
  margin-top: 4rem;
}

.module-card {
  background: white;
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
  height: 100%;
  border-left: 4px solid var(--primary-color);
}

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

.module-icon {
  width: 60px;
  height: 60px;
  background: var(--primary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

.module-icon.bg-warning {
  background: var(--secondary-color);
  color: #333;
}

.module-card h4 {
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  font-weight: 600;
}

.feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.feature-list li {
  display: flex;
  align-items: center;
  margin-bottom: 0.75rem;
  font-size: 0.95rem;
  color: var(--text-light);
}

.feature-list i {
  margin-right: 0.75rem;
  color: var(--primary-color);
  font-size: 0.8rem;
}

/* 技术优势区域 */
.tech-advantages {
  padding: 80px 0;
  background: var(--bg-light);
}

.tech-card {
  background: white;
  border-radius: var(--border-radius);
  padding: 2rem;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
  height: 100%;
}

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

.tech-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary-color), #1565c0);
  border-radius: 50%;
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 2rem;
}

.tech-card h4 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.tech-card p {
  color: var(--text-light);
  line-height: 1.6;
}

/* 下载统计区域 */
.download-stats {
  padding: 60px 0;
  background: var(--bg-light);
}

.stat-card {
  background: white;
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
  margin-bottom: 2rem;
}

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

.stat-icon {
  width: 60px;
  height: 60px;
  background: var(--primary-color);
  border-radius: 50%;
  margin: 0 auto 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
}

.stat-card h3 {
  font-size: 2.5rem;
  font-weight: bold;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.stat-card p {
  color: var(--text-light);
  margin: 0;
}

/* 应用下载区域 */
.app-downloads {
  padding: 80px 0;
}

.app-download-section {
  margin-bottom: 4rem;
}

.app-header {
  display: flex;
  align-items: center;
  margin-bottom: 2rem;
}

.app-icon {
  width: 80px;
  height: 80px;
  background: var(--primary-color);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 2rem;
  margin-right: 1.5rem;
}

.app-icon.user-app {
  background: var(--secondary-color);
  color: #333;
}

.app-details h2 {
  margin-bottom: 0.5rem;
  color: var(--primary-color);
}

.app-subtitle {
  color: var(--text-light);
  margin-bottom: 1rem;
}

.app-rating {
  display: flex;
  align-items: center;
}

.stars {
  margin-right: 0.5rem;
}

.stars i {
  color: #ffc107;
  margin-right: 0.2rem;
}

.rating-text {
  color: var(--text-light);
  font-size: 0.9rem;
}

/* 下载选项 */
.download-options {
  background: var(--bg-light);
  border-radius: var(--border-radius);
  padding: 2rem;
}

.download-option {
  margin-bottom: 1.5rem;
}

.download-card-horizontal {
  background: white;
  border-radius: var(--border-radius);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.download-card-horizontal:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.download-info {
  display: flex;
  align-items: center;
  flex: 1;
}

.platform-icon {
  width: 50px;
  height: 50px;
  background: #28a745;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  margin-right: 1rem;
}

.platform-icon.ios {
  background: #333;
}

.platform-details h5 {
  margin-bottom: 0.25rem;
  color: var(--text-color);
}

.version-info {
  color: var(--text-light);
  font-size: 0.9rem;
  margin-bottom: 0.25rem;
}

.update-info {
  color: var(--text-light);
  font-size: 0.85rem;
  margin: 0;
}

/* 简单功能列表 */
.feature-list-simple {
  list-style: none;
  padding: 0;
}

.feature-list-simple li {
  display: flex;
  align-items: center;
  margin-bottom: 0.5rem;
  color: var(--text-light);
}

.feature-list-simple i {
  margin-right: 0.75rem;
}

/* 二维码样式 */
.qr-download {
  border-top: 1px solid #e0e0e0;
  padding-top: 1.5rem;
}

.qr-code {
  text-align: center;
}

.qr-placeholder {
  width: 80px;
  height: 80px;
  border: 2px dashed #ddd;
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  font-size: 2rem;
  color: #ddd;
}

/* 微信小程序区域 */
.miniprogram-section {
  padding: 80px 0;
  background: var(--bg-light);
}

.miniprogram-card {
  background: white;
  border-radius: var(--border-radius);
  padding: 3rem;
  box-shadow: var(--shadow);
}

.miniprogram-icon {
  width: 100px;
  height: 100px;
  background: #07c160;
  border-radius: 20px;
  margin: 0 auto 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 3rem;
}

.qr-placeholder-large {
  width: 150px;
  height: 150px;
  border: 2px dashed #ddd;
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  font-size: 4rem;
  color: #ddd;
}

.miniprogram-features h5 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

/* 版本历史 */
.version-history {
  padding: 80px 0;
}

.version-card {
  background: white;
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  height: 100%;
}

.version-card h4 {
  color: var(--primary-color);
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--border-color);
}

.version-item {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid #f0f0f0;
}

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

.version-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.version-number {
  background: var(--primary-color);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-weight: 600;
  font-size: 0.9rem;
}

.version-date {
  color: var(--text-light);
  font-size: 0.9rem;
}

.version-changes {
  list-style: none;
  padding: 0;
  margin: 0;
}

.version-changes li {
  color: var(--text-light);
  margin-bottom: 0.5rem;
  padding-left: 1rem;
  position: relative;
}

.version-changes li:before {
  content: '•';
  color: var(--primary-color);
  position: absolute;
  left: 0;
}

/* 系统要求 */
.system-requirements {
  padding: 80px 0;
  background: var(--bg-light);
}

.requirement-card {
  background: white;
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  height: 100%;
}

.requirement-header {
  display: flex;
  align-items: center;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--border-color);
}

.requirement-header i {
  font-size: 2rem;
  margin-right: 1rem;
  color: var(--primary-color);
}

.requirement-header h4 {
  color: var(--primary-color);
  margin: 0;
}

.requirement-item {
  margin-bottom: 1rem;
  padding: 0.75rem;
  background: var(--bg-light);
  border-radius: 6px;
  color: var(--text-color);
}

.requirement-item strong {
  color: var(--primary-color);
}

/* 公司简介区域 */
.company-intro {
  padding: 80px 0;
}

.intro-content h2 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.company-values {
  margin-top: 2rem;
}

.value-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 2rem;
}

.value-item i {
  font-size: 2rem;
  margin-right: 1rem;
  margin-top: 0.5rem;
}

.value-content h5 {
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.value-content p {
  color: var(--text-light);
  margin: 0;
}

/* 发展历程 */
.company-timeline {
  padding: 80px 0;
  background: var(--bg-light);
}

.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--primary-color);
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  margin-bottom: 3rem;
  width: 50%;
}

.timeline-item:nth-child(odd) {
  left: 0;
  padding-right: 2rem;
}

.timeline-item:nth-child(even) {
  left: 50%;
  padding-left: 2rem;
}

.timeline-marker {
  position: absolute;
  width: 80px;
  height: 40px;
  background: var(--primary-color);
  color: white;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  top: 0;
}

.timeline-item:nth-child(odd) .timeline-marker {
  right: -40px;
}

.timeline-item:nth-child(even) .timeline-marker {
  left: -40px;
}

.timeline-content {
  background: white;
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  margin-top: 20px;
}

.timeline-content h4 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.timeline-content p {
  color: var(--text-light);
  margin: 0;
}

/* 核心数据 */
.core-statistics {
  padding: 80px 0;
}

.stat-box {
  background: white;
  border-radius: var(--border-radius);
  padding: 2rem;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border-top: 4px solid var(--primary-color);
}

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

.stat-box .stat-icon {
  width: 80px;
  height: 80px;
  background: var(--primary-color);
  border-radius: 50%;
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 2rem;
}

.stat-number {
  font-size: 3rem;
  font-weight: bold;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-color);
  margin-bottom: 0.5rem;
}

.stat-description {
  color: var(--text-light);
  font-size: 0.9rem;
}

/* 资质证书 */
.company-certificates {
  padding: 80px 0;
  background: var(--bg-light);
}

.certificate-card {
  background: white;
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
  height: 100%;
  border-left: 4px solid var(--primary-color);
}

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

.certificate-icon {
  width: 60px;
  height: 60px;
  background: var(--primary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

.certificate-card h4 {
  color: var(--primary-color);
  margin-bottom: 1.5rem;
}

.certificate-info p {
  margin-bottom: 0.75rem;
  color: var(--text-light);
  font-size: 0.9rem;
}

.certificate-info strong {
  color: var(--text-color);
}

/* 团队介绍 */
.team-section {
  padding: 80px 0;
}

.team-member {
  background: white;
  border-radius: var(--border-radius);
  padding: 2rem;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
  height: 100%;
}

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

.member-avatar {
  width: 100px;
  height: 100px;
  background: var(--primary-color);
  border-radius: 50%;
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 3rem;
}

.team-member h4 {
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.member-title {
  color: var(--secondary-color);
  font-weight: 600;
  margin-bottom: 1rem;
}

.member-description {
  color: var(--text-light);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* 联系我们 */
.contact-section {
  padding: 80px 0;
  background: var(--bg-light);
}

.contact-info {
  background: white;
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  height: 100%;
}

.contact-info h4 {
  color: var(--primary-color);
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--border-color);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 2rem;
}

.contact-item i {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-right: 1rem;
  margin-top: 0.25rem;
}

.contact-item strong {
  color: var(--text-color);
  display: block;
  margin-bottom: 0.25rem;
}

.contact-item p {
  color: var(--text-light);
  margin: 0;
}

.contact-form {
  background: white;
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--shadow);
}

.contact-form h4 {
  color: var(--primary-color);
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--border-color);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  color: var(--text-color);
  font-weight: 600;
  margin-bottom: 0.5rem;
  display: block;
}

.form-control {
  border: 2px solid #e0e0e0;
  border-radius: var(--border-radius);
  padding: 0.75rem;
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(25, 118, 210, 0.25);
}

/* 响应式设计 - 时间线 */
@media (max-width: 768px) {
  .timeline::before {
    left: 20px;
  }
  
  .timeline-item {
    width: 100%;
    left: 0 !important;
    padding-left: 60px !important;
    padding-right: 0 !important;
  }
  
  .timeline-marker {
    left: 0 !important;
    right: auto !important;
  }
}

/* 法律页面样式 */
.legal-content {
  padding: 80px 0;
}

.content-nav {
  background: white;
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  position: sticky;
  top: 100px;
}

.content-nav h5 {
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--border-color);
}

.content-nav .nav-link {
  color: var(--text-color);
  padding: 0.5rem 1rem;
  border-radius: 6px;
  margin-bottom: 0.5rem;
  transition: var(--transition);
}

.content-nav .nav-link:hover,
.content-nav .nav-link.active {
  background: var(--primary-color);
  color: white;
}

.privacy-content,
.terms-content {
  background: white;
  border-radius: var(--border-radius);
  padding: 3rem;
  box-shadow: var(--shadow);
}

.update-info {
  background: var(--bg-light);
  padding: 1.5rem;
  border-radius: var(--border-radius);
  margin-bottom: 2rem;
  border-left: 4px solid var(--primary-color);
}

.content-section {
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid #f0f0f0;
}

.content-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.content-section h2 {
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--border-color);
}

.content-section h4 {
  color: var(--primary-color);
  margin: 1.5rem 0 1rem;
}

.content-section h5 {
  color: var(--text-color);
  margin: 1rem 0 0.5rem;
}

.highlight-box {
  background: #e3f2fd;
  border: 1px solid #2196f3;
  border-radius: var(--border-radius);
  padding: 1.5rem;
  margin: 1.5rem 0;
}

.highlight-box h5 {
  color: #1565c0;
  margin-bottom: 1rem;
}

.warning-box {
  background: #fff3e0;
  border: 1px solid #ff9800;
  border-radius: var(--border-radius);
  padding: 1.5rem;
  margin: 1.5rem 0;
}

.warning-box h5 {
  color: #f57c00;
  margin-bottom: 1rem;
}

.info-box {
  background: #f3e5f5;
  border: 1px solid #9c27b0;
  border-radius: var(--border-radius);
  padding: 1.5rem;
  margin: 1.5rem 0;
}

.info-box h5 {
  color: #7b1fa2;
  margin-bottom: 1rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.contact-item {
  background: var(--bg-light);
  padding: 1.5rem;
  border-radius: var(--border-radius);
  border-left: 4px solid var(--primary-color);
}

.contact-item h5 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.authority-info {
  background: #f8f9fa;
  padding: 2rem;
  border-radius: var(--border-radius);
  margin-top: 2rem;
  border: 2px solid #e9ecef;
}

.authority-info h5 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.contact-info-simple {
  background: var(--bg-light);
  padding: 1.5rem;
  border-radius: var(--border-radius);
  margin: 1.5rem 0;
}

.signature-section {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 2px solid var(--border-color);
}

/* 响应式设计 */
@media (max-width: 992px) {
  .content-nav {
    position: static;
    margin-bottom: 2rem;
  }
  
  .privacy-content,
  .terms-content {
    padding: 2rem;
  }
}

@media (max-width: 768px) {
  .legal-content {
    padding: 60px 0;
  }
  
  .privacy-content,
  .terms-content {
    padding: 1.5rem;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

/* 链接样式 */
a {
  text-decoration: none;
}

a:hover {
  text-decoration: none;
}