/* 基本页面设置 */
body {
  margin: 0;
  padding: 0;
  font-family: 'Open Sans', sans-serif;
  background: linear-gradient(135deg, #0A1F44 70%, #7F5AF0 25%, #00D084 5%);
  color: #FFFFFF;
  line-height: 1.6;
}

/* 导航栏样式 */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background-color: rgba(10, 31, 68, 0.95);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 50px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  z-index: 1000;
}

.navbar .logo {
  font-family: 'Montserrat', sans-serif;
  font-size: 24px;
  color: #7F5AF0;
}

.navbar nav a {
  color: #FFFFFF;
  text-decoration: none;
  margin: 0 15px;
  font-size: 16px;
  transition: color 0.3s ease;
}

.navbar nav a:hover {
  color: #00D084;
}

/* 章节导航样式 */
.chapter-nav {
  position: fixed;
  top: 100px;
  right: 30px;
  background-color: rgba(0, 0, 0, 0.6);
  padding: 15px;
  border-radius: 8px;
}

.chapter-nav a {
  display: block;
  color: #FFFFFF;
  text-decoration: none;
  margin: 10px 0;
  font-size: 14px;
  transition: color 0.3s ease;
}

.chapter-nav a:hover {
  color: #7F5AF0;
}

/* 主容器样式 */
.container {
  max-width: 1200px;
  margin: 150px auto 50px;
  padding: 20px;
}

/* 文章标题样式 */
h2, h3, h4 {
  font-family: 'Montserrat', sans-serif;
  color: #7F5AF0;
  margin-top: 40px;
}

/* 正文段落样式 */
p {
  font-size: 16px;
  margin: 20px 0;
  color: #FFFFFF;
}

/* 代码块样式 */
pre {
  background-color: rgba(255, 255, 255, 0.1);
  padding: 15px;
  border-radius: 5px;
  overflow-x: auto;
  margin: 20px 0;
}

code {
  font-family: 'Courier New', monospace;
  color: #00D084;
}

/* 图片样式 */
img.decorative {
  width: 320px;
  height: 320px;
  object-fit: cover;
  border-radius: 15px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.3);
  margin: 20px 0;
  transition: transform 0.3s, box-shadow 0.3s;
}

img.decorative:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 12px rgba(0,0,0,0.5);
}

/* 分隔线样式 */
.separator {
  height: 2px;
  background: linear-gradient(to right, #7F5AF0, #00D084);
  margin: 40px 0;
}

/* 按钮样式 */
.button {
  background-color: #00D084;
  color: #FFFFFF;
  padding: 12px 24px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 16px;
  transition: background-color 0.3s, transform 0.3s;
}

.button:hover {
  background-color: #7F5AF0;
  transform: scale(1.05);
}

/* 动画效果 */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.fade-in {
  animation: fadeIn 2s ease-in-out;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .navbar {
    flex-direction: column;
    align-items: flex-start;
    padding: 15px 20px;
  }
  
  .chapter-nav {
    position: static;
    background-color: rgba(0, 0, 0, 0.4);
    margin: 20px 0;
  }
  
  img.decorative {
    width: 100%;
    height: auto;
  }
}

@media (max-width: 480px) {
  .navbar nav a {
    margin: 10px 0;
    font-size: 14px;
  }
  
  .chapter-nav a {
    font-size: 12px;
  }
  
  h2 {
    font-size: 20px;
  }
  
  p {
    font-size: 15px;
  }
}