/* 全局样式 */
body {
  margin: 0;
  padding: 0;
  background: linear-gradient(135deg, #0a153a, #1e274c);
  color: #ffffff;
  font-family: 'Roboto', sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

/* 标题样式 */
header {
  text-align: center;
  padding: 50px 0;
  background: radial-gradient(circle, rgba(255,87,34,0.8), transparent);
  animation: aurora-move 15s linear infinite;
}

header h1 {
  font-family: 'Montserrat', sans-serif;
  font-size: 3rem;
  color: #f5a623;
  text-shadow: 0 0 10px rgba(255, 168, 38, 0.7);
}

header p {
  font-size: 1.2rem;
  color: #ffcc00;
  margin-top: 10px;
}

/* 模块卡片样式 */
.card {
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 15px;
  box-shadow: inset 5px 5px 15px rgba(0, 0, 0, 0.5),
              inset -5px -5px 15px rgba(255, 255, 255, 0.1);
  padding: 20px;
  margin: 20px 0;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

/* 文章样式 */
article {
  background-color: rgba(255, 255, 255, 0.05);
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

article h2 {
  font-family: 'Montserrat', sans-serif;
  font-size: 2rem;
  color: #ffcc00;
  margin-bottom: 20px;
}

article h3 {
  font-size: 1.5rem;
  color: #f5a623;
  margin-top: 30px;
}

article h4 {
  font-size: 1.2rem;
  color: #ffa500;
  margin-top: 20px;
}

article p {
  font-size: 1rem;
  color: #ffffff;
  margin: 15px 0;
}

article ul {
  list-style: disc inside;
  color: #ffffff;
}

article pre {
  background-color: rgba(0, 0, 0, 0.7);
  padding: 15px;
  border-radius: 5px;
  overflow-x: auto;
  margin: 20px 0;
}

article code {
  font-family: 'Courier New', Courier, monospace;
  color: #f5a623;
}

/* 图片样式 */
img {
  width: 100%;
  max-width: 320px;
  height: auto;
  border-radius: 10px;
  margin: 10px;
}

/* 按钮样式 */
button {
  background-color: #1e90ff;
  color: #ffffff;
  border: none;
  padding: 12px 25px;
  border-radius: 5px;
  cursor: pointer;
  font-size: 1rem;
  transition: background-color 0.3s ease, transform 0.3s ease;
}

button:hover {
  background-color: #0074d9;
  transform: scale(1.05);
}

/* 响应式布局 */
@media (max-width: 320px) {
  header h1 {
    font-size: 2rem;
  }
  article h2 {
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  .container {
    width: 95%;
  }
  article h2 {
    font-size: 1.8rem;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 15px;
  }
  article h2 {
    font-size: 2rem;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .container {
    width: 85%;
  }
}

@media (min-width: 1025px) and (max-width: 1200px) {
  .container {
    width: 80%;
  }
}

@media (min-width: 1440px) {
  header h1 {
    font-size: 3.5rem;
  }
  article h2 {
    font-size: 2.2rem;
  }
}

/* 动画效果 */
@keyframes aurora-move {
  0% { background: radial-gradient(circle, rgba(255,87,34,0.8), transparent); }
  50% { background: radial-gradient(circle, rgba(255,168,38,0.8), transparent); }
  100% { background: radial-gradient(circle, rgba(255,87,34,0.8), transparent); }
}