/* 基础样式设置 */
:root {
  --primary-color: #0a192f;
  --secondary-color: #172a45;
  --accent-color: #64ffda;
  --text-primary: #e6f1ff;
  --text-secondary: #8892b0;
}

body {
  margin: 0;
  padding: 0;
  font-family: 'Roboto', 'Helvetica Neue', sans-serif;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: var(--text-primary);
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

/* 头部样式 */
.header {
  text-align: center;
  padding: 4rem 0;
  background: linear-gradient(rgba(10,25,47,0.9), rgba(23,42,69,0.9));
  position: relative;
  overflow: hidden;
}

.header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 50% 50%, rgba(100,255,218,0.1) 0%, transparent 50%);
  animation: pulse 4s infinite;
}

/* 内容区域样式 */
.content-section {
  background: rgba(23,42,69,0.8);
  border-radius: 10px;
  padding: 2rem;
  margin: 2rem 0;
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
  backdrop-filter: blur(10px);
}

.grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin: 2rem 0;
}

.card {
  background: rgba(10,25,47,0.8);
  border-radius: 8px;
  padding: 1.5rem;
  transition: transform 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
}

/* 文章样式 */
article {
  background: rgba(255,255,255,0.05);
  padding: 2rem;
  border-radius: 10px;
  margin: 2rem 0;
}

article h2 {
  color: var(--accent-color);
  margin-bottom: 1.5rem;
}

article h3 {
  color: var(--text-primary);
  margin: 2rem 0 1rem;
}

pre {
  background: rgba(10,25,47,0.9);
  padding: 1rem;
  border-radius: 5px;
  overflow-x: auto;
}

code {
  color: var(--accent-color);
  font-family: 'Fira Code', monospace;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .container {
    padding: 1rem;
  }
  
  .grid-container {
    grid-template-columns: 1fr;
  }
}

/* 动画效果 */
@keyframes pulse {
  0% { opacity: 0.5; }
  50% { opacity: 0.8; }
  100% { opacity: 0.5; }
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeIn 0.8s ease forwards;
}

@keyframes fadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 图片样式 */
.image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

.image-grid img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  transition: transform 0.3s ease;
}

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