/* 基本样式重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* 设置全局字体和背景 */
body {
  font-family: 'Roboto', sans-serif;
  font-size: 16px;
  color: #424242;
  background: linear-gradient(135deg, #1565C0, #82B1FF);
  line-height: 1.6;
}

/* 导航栏样式 */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background-color: rgba(21, 101, 192, 0.9);
  color: #FFFFFF;
  padding: 20px 0;
  text-align: center;
  z-index: 1000;
  transition: background-color 0.3s ease;
}

.navbar.scrolled {
  background-color: #1565C0;
}

.navbar .logo {
  font-size: 24px;
  font-weight: bold;
}

.navbar ul {
  list-style: none;
  display: flex;
  justify-content: center;
  margin-top: 10px;
}

.navbar ul li {
  margin: 0 15px;
}

.navbar ul li a {
  text-decoration: none;
  color: #FFFFFF;
  font-size: 16px;
  transition: color 0.3s ease;
}

.navbar ul li a:hover {
  color: #FF9800;
}

/* 主要容器 */
.container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  padding: 120px 60px 60px;
}

/* 响应式设计 */
@media (max-width: 1200px) {
  .container {
    grid-template-columns: 1fr;
    padding: 100px 40px 40px;
  }
}

@media (max-width: 768px) {
  .navbar ul {
    flex-direction: column;
    align-items: center;
  }

  .navbar ul li {
    margin: 10px 0;
  }

  .container {
    padding: 80px 20px 20px;
  }
}

/* 卡片样式 */
.card {
  background-color: #FFFFFF;
  border: 1px solid #E0E0E0;
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

/* CTA按钮样式 */
.cta-button {
  background-color: #FF9800;
  color: #FFFFFF;
  padding: 15px 30px;
  border: none;
  border-radius: 25px;
  cursor: pointer;
  font-size: 16px;
  transition: transform 0.2s ease, background-color 0.2s ease;
  text-decoration: none;
  display: inline-block;
}

.cta-button:hover {
  transform: scale(1.05);
  background-color: #FB8C00;
}

/* 图片样式 */
.image-container img {
  width: 100%;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.image-container img:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

/* 文章样式 */
article {
  background-color: rgba(255, 255, 255, 0.9);
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

article h2, article h3, article h4 {
  color: #1A237E;
  margin-bottom: 20px;
}

article p {
  margin-bottom: 20px;
}

article pre {
  background-color: #F5F5F5;
  padding: 20px;
  border-radius: 8px;
  overflow-x: auto;
  margin-bottom: 20px;
}

article code {
  font-family: 'Courier New', Courier, monospace;
  color: #D32F2F;
}

/* 提示信息样式 */
.prompt {
  background-color: rgba(255, 152, 0, 0.1);
  border-left: 5px solid #FF9800;
  padding: 15px 20px;
  margin: 40px 0;
  border-radius: 4px;
  font-size: 18px;
  color: #424242;
}

/* 代码块样式 */
.code-example {
  background-color: #E3F2FD;
  padding: 15px;
  border-radius: 8px;
  font-family: 'Courier New', Courier, monospace;
  color: #1565C0;
  overflow-x: auto;
}

.code-example:hover {
  background-color: #BBDEFB;
}

/* 结束样式 */