html, body {
  height: 100%;
  margin: 0;
  padding: 0;
  font-family: 'Merriweather', 'Georgia', serif;
  line-height: 1.6;
  color: #333;
  background-color: #f4f4f4;
  font-weight: 300;
  letter-spacing: 0.02em;
  font-size: 16px;
}

h1, h2 {
  font-family: 'Lora', 'Times New Roman', serif;
  font-weight: 500;
  color: #2c3e50;
}

h1 {
  border-bottom: 2px solid #3498db;
  padding-bottom: 10px;
  margin-top: 0;
  font-size: 2.2rem;
  margin-bottom: 1rem;
}

h2 {
  color: #2980b9;
  margin-top: 20px;
  font-size: 1.6rem;
  margin-bottom: 0.75rem;
}

a {
  text-decoration: none;
  color: #0366d6;
  transition: color 0.3s ease;
}

a:hover {
  color: #024b8d;
}

section {
  margin-bottom: 2rem;
}

hr {
  border: none;
  height: 1px;
  background-color: #e1e4e8;
  margin: 2rem 0;
}

/* 容器布局 */
.container {
  max-width: 1200px;
  margin: 20px auto;
  padding: 20px;
  background-color: #fff;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
  display: flex;
  gap: 20px;
}

/* Sidebar */
.sidebar {
  width: 220px;
  background-color: #f8f9fa;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 1rem;
  box-sizing: border-box;
}

.profile-image-container {
  width: 120px;
  height: 120px;
  margin-bottom: 1rem;
  overflow: hidden;
  border-radius: 50%;
}

.profile-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sidebar-links,
.social-links {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  margin-top: 10px;
}

.sidebar-links a,
.social-links a {
  text-decoration: none;
  color: #0066cc;
  transition: color 0.3s ease;
}

.sidebar-links a:hover,
.social-links a:hover {
  color: #004080;
}

/* Main content */
.main-content {
  flex: 1;
  min-width: 300px;
}

.main-content p {
  margin-bottom: 1rem;
  font-size: 0.95em;
  text-align: justify;
  hyphens: auto;
  -webkit-hyphens: auto;
  -moz-hyphens: auto;
}

/* About 页面用的缩略图 */
.thumbnail-instructions {
  font-size: 0.9em;
  color: #555;
  margin-bottom: 5px;
}

.thumbnail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 10px;
  margin-bottom: 20px;
}

.thumbnail-grid img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 4px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  transition: transform 0.3s ease;
}

.thumbnail-grid img:hover {
  transform: scale(1.05);
}

/* Lightbox2 关闭按钮 */
.lb-close,
.lb-data .lb-close {
  z-index: 10000 !important;
  position: absolute;
  top: 10px;
  right: 10px;
}

/* Modal弹出框样式 */
.modal {
  display: none; /* 默认隐藏 */
  position: fixed;
  z-index: 9999; /* 确保弹出框位于其他内容之上 */
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8); /* 半透明背景 */
  overflow: auto; /* 如果图片比屏幕大，可以滚动 */
}

.modal-content {
  margin: auto;
  display: block;
  max-width: 80%; /* 限制图片最大尺寸 */
  max-height: 80%;
}

.close-modal {
  position: absolute;
  top: 10px;
  right: 25px;
  color: #fff;
  font-size: 35px;
  font-weight: bold;
  cursor: pointer;
}

#modalCaption {
  text-align: center;
  color: #fff;
  padding: 10px;
}

/* 项目页面样式 */
.project-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.project-item {
  background-color: #fafafa;
  padding: 15px;
  border-radius: 5px;
  border: 1px solid #eee;
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.project-header {
  margin-bottom: 10px;
}

.project-title {
  text-decoration: none;
  color: #333;
  font-weight: bold;
  cursor: pointer;
  user-select: none;
}

.toggle-icon {
  margin-left: 5px;
  font-size: 0.8em;
  color: #666;
}

.project-description {
  display: block;
}

/* 确保视频和图片不超出容器 */
.main-content img,
.project-video,
.project-video-small {
  max-width: 100%;
  height: auto;
}

/* 两个视频并排显示 */
.video-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 10px;
}
.video-row video {
  flex: 1 1 48%;
}

/* 3×2 视频网格 (Project 7) */
.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 10px;
  margin-top: 10px;
  height: 500px; /* 可根据需要调整，原先 180px 改为 240px 以确保视频完整显示 */
}
.video-grid video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 响应式 */
@media (max-width: 768px) {
  .container {
    flex-direction: column;
    align-items: center;
  }
  .sidebar {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid #e0e0e0;
  }
  .main-content {
    padding: 10px;
  }
}