/* 基础样式 */
:root {
  --primary-color: #4a90e2;
  --secondary-color: #50e3c2;
  --text-color: #333;
  --background-color: #f5f5f5;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--background-color);
}

/* 布局 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 导航栏 */
header {
  background-color: white;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  padding: 1rem 0;
}

nav ul {
  display: flex;
  justify-content: center;
  list-style: none;
}

nav a {
  color: var(--text-color);
  text-decoration: none;
  padding: 0.5rem 1rem;
  transition: color 0.3s;
}

nav a:hover {
  color: var(--primary-color);
}

/* 首页 */
.hero {
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

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

.hero p {
  font-size: 1.2rem;
  color: #666;
}

/* 页脚 */
footer {
  text-align: center;
  padding: 2rem 0;
  margin-top: 2rem;
  border-top: 1px solid #eee;
}

/* 个人简介页面样式 */
.profile {
  margin: 2rem 0;
}

.profile-header {
  text-align: center;
  margin-bottom: 2rem;
}

.photo-placeholder {
  width: 150px;
  height: 150px;
  margin: 0 auto 1rem;
  border-radius: 50%;
  background-color: #e0e0e0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #999;
}

.profile-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.info-card {
  background: white;
  padding: 1.5rem;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

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

.info-card ul {
  list-style: none;
  padding: 0;
}

.info-card li {
  margin-bottom: 0.5rem;
}

/* 时间轴样式 */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 2rem auto;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 20px;
  top: 0;
  width: 2px;
  height: 100%;
  background: var(--primary-color);
}

.timeline-item {
  position: relative;
  margin-bottom: 2rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -34px;
  top: 0;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: white;
  border: 3px solid var(--primary-color);
}

.timeline-content {
  background: white;
  padding: 1.5rem;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.timeline-date {
  color: #666;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

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

/* 荣誉页面样式 */
.honors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin: 2rem 0;
}

.honor-card {
  background: white;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  text-align: center;
  transition: transform 0.3s, box-shadow 0.3s;
}

.honor-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.honor-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

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

.honor-card p {
  color: #666;
  line-height: 1.6;
}

/* 联系方式页面样式 */
.contact-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3rem;
  margin: 2rem 0;
}

.contact-info {
  background: white;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.contact-info ul {
  list-style: none;
  padding: 0;
}

.contact-info li {
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
}

.contact-info i {
  width: 24px;
  margin-right: 1rem;
  color: var(--primary-color);
}

.social-links {
  margin-top: 2rem;
}

.social-icons {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.social-icon {
  font-size: 1.5rem;
  color: var(--primary-color);
  transition: color 0.3s;
}

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

.contact-form {
  background: white;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

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

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

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.8rem;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-family: inherit;
  font-size: 1rem;
}

.form-group textarea {
  resize: vertical;
  min-height: 150px;
}

button[type="submit"] {
  background: var(--primary-color);
  color: white;
  padding: 0.8rem 2rem;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.3s;
}

button[type="submit"]:hover {
  background: var(--secondary-color);
}

/* 响应式设计 */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }
  
  nav ul {
    flex-direction: column;
    text-align: center;
  }

  .profile-content {
    grid-template-columns: 1fr;
  }

  .timeline {
    padding-left: 20px;
  }

  .timeline::before {
    left: 10px;
  }

  .timeline-item::before {
    left: -24px;
  }

  .honors-grid {
    grid-template-columns: 1fr;
  }

  .contact-content {
    grid-template-columns: 1fr;
  }
}