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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: linear-gradient(135deg, #0f0f23 0%, #1a1a3e 100%);
  color: #eaeaea;
  line-height: 1.6;
  min-height: 100vh;
}

a {
  color: #4a9eff;
  text-decoration: none;
  transition: color 0.3s;
}

a:hover {
  color: #7ab8ff;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
}

/* 头部 */
header {
  text-align: center;
  padding: 60px 20px;
  border-bottom: 1px solid rgba(74, 158, 255, 0.2);
}

header h1 {
  font-size: 2.5em;
  margin-bottom: 10px;
  background: linear-gradient(135deg, #4a9eff 0%, #9b59b6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

header p {
  color: #888;
  font-size: 1.1em;
}

/* 导航 */
nav {
  text-align: center;
  padding: 20px 0;
}

nav a {
  margin: 0 15px;
  color: #aaa;
  font-size: 0.95em;
}

nav a:hover {
  color: #4a9eff;
}

/* 文章列表 */
.post-list {
  margin: 40px 0;
}

.post-item {
  background: rgba(26, 26, 62, 0.8);
  border-radius: 12px;
  padding: 25px;
  margin-bottom: 25px;
  border: 1px solid rgba(74, 158, 255, 0.1);
  transition: transform 0.3s, box-shadow 0.3s;
}

.post-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 20px rgba(74, 158, 255, 0.15);
}

.post-title {
  font-size: 1.4em;
  margin-bottom: 10px;
}

.post-title a {
  color: #eaeaea;
}

.post-title a:hover {
  color: #4a9eff;
}

.post-meta {
  color: #666;
  font-size: 0.85em;
  margin-bottom: 15px;
}

.post-excerpt {
  color: #aaa;
  line-height: 1.8;
}

/* 文章页面 */
.post-content {
  background: rgba(26, 26, 62, 0.8);
  border-radius: 12px;
  padding: 40px;
  margin: 30px 0;
  border: 1px solid rgba(74, 158, 255, 0.1);
}

.post-content h1,
.post-content h2,
.post-content h3 {
  color: #eaeaea;
  margin: 30px 0 15px 0;
}

.post-content h1 {
  font-size: 2em;
  text-align: center;
  margin-bottom: 30px;
}

.post-content h2 {
  font-size: 1.5em;
  border-bottom: 2px solid rgba(74, 158, 255, 0.3);
  padding-bottom: 10px;
}

.post-content p {
  margin: 20px 0;
  line-height: 2;
  font-size: 1.05em;
}

.post-content ul,
.post-content ol {
  margin: 20px 0;
  padding-left: 30px;
}

.post-content li {
  margin: 10px 0;
  line-height: 1.8;
}

.post-content blockquote {
  border-left: 4px solid #4a9eff;
  padding: 15px 20px;
  margin: 25px 0;
  background: rgba(74, 158, 255, 0.1);
  border-radius: 0 8px 8px 0;
  color: #ccc;
}

.post-content code {
  background: rgba(0, 0, 0, 0.3);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: "Courier New", monospace;
  font-size: 0.9em;
}

.post-content pre {
  background: rgba(0, 0, 0, 0.4);
  padding: 20px;
  border-radius: 8px;
  overflow-x: auto;
  margin: 20px 0;
}

.post-content pre code {
  background: none;
  padding: 0;
}

/* 标签 */
.tag {
  display: inline-block;
  background: rgba(74, 158, 255, 0.2);
  color: #4a9eff;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.8em;
  margin-right: 8px;
  margin-bottom: 8px;
}

/* 页脚 */
footer {
  text-align: center;
  padding: 40px 20px;
  border-top: 1px solid rgba(74, 158, 255, 0.2);
  color: #666;
  font-size: 0.9em;
}

/* 响应式 */
@media (max-width: 600px) {
  header h1 {
    font-size: 1.8em;
  }
  
  .post-content {
    padding: 25px;
  }
  
  .container {
    padding: 15px;
  }
}

/* 特殊元素 */
.highlight-box {
  background: linear-gradient(135deg, rgba(74, 158, 255, 0.2) 0%, rgba(155, 89, 182, 0.2) 100%);
  border: 1px solid rgba(74, 158, 255, 0.3);
  border-radius: 12px;
  padding: 25px;
  margin: 25px 0;
}

.warning-box {
  background: rgba(231, 76, 60, 0.15);
  border: 1px solid rgba(231, 76, 60, 0.3);
  border-radius: 12px;
  padding: 20px;
  margin: 25px 0;
  color: #ff6b6b;
}

.tip-box {
  background: rgba(46, 204, 113, 0.15);
  border: 1px solid rgba(46, 204, 113, 0.3);
  border-radius: 12px;
  padding: 20px;
  margin: 25px 0;
  color: #2ecc71;
}