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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: #121212;
  color: #e0e0e0;
  line-height: 1.7;
  padding-bottom: 60px;
}

header {
  max-width: 800px;
  margin: 0 auto;
  padding: 30px 20px;
  border-bottom: 1px solid #333;
}

header h1 {
  font-size: 26px;
  font-weight: 500;
  color: #fff;
}

nav {
  margin-top: 10px;
}

nav a {
  color: #aaa;
  text-decoration: none;
  margin-right: 15px;
  font-size: 15px;
}

nav a:hover {
  color: #fff;
}

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

.back {
  display: inline-block;
  margin-bottom: 20px;
  color: #888;
  text-decoration: none;
  font-size: 14px;
}

.back:hover {
  color: #fff;
}

footer {
  text-align: center;
  padding: 20px;
  font-size: 13px;
  color: #666;
  margin-top: 40px;
}

/* 首页文章列表 */
.article-item {
  padding: 20px 0;
  border-bottom: 1px solid #222;
}

.article-item h2 {
  font-size: 20px;
  font-weight: 500;
  margin-bottom: 8px;
}

.article-item a {
  color: #fff;
  text-decoration: none;
}

.article-item a:hover {
  text-decoration: underline;
}

.article-meta {
  font-size: 13px;
  color: #888;
  margin-bottom: 10px;
}

.article-excerpt {
  color: #ccc;
  font-size: 15px;
}

/* 日志页内容 */
.log-title {
  font-size: 26px;
  font-weight: 500;
  margin-bottom: 10px;
  color: #fff;
}

.log-meta {
  font-size: 14px;
  color: #888;
  margin-bottom: 30px;
}

.log-content {
  font-size: 16px;
  color: #ddd;
  line-height: 1.8;
}

.log-content p {
  margin-bottom: 22px;
}

/* 关于页面 */
.about-title {
  font-size: 26px;
  font-weight: 500;
  margin-bottom: 20px;
  color: #fff;
}

.about-content {
  font-size: 16px;
  color: #ddd;
  line-height: 1.8;
}

.about-content p {
  margin-bottom: 20px;
}