body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  color: #333;
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem;
}
h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}
h2 {
  font-size: 1.8rem;
  margin-top: 2rem;
  margin-bottom: 1rem;
}
h3 {
  font-size: 1.4rem;
  margin-top: 1.5rem;
  margin-bottom: 1rem;
  color: #444;
}
a {
  color: #0066cc;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
ul {
  padding-left: 1.5rem;
}
li {
  margin-bottom: 0.5rem;
}
section {
  margin-bottom: 3rem;
}
form {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}
input[type="email"] {
  flex: 1;
  padding: 0.5rem;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 1rem;
}
button {
  padding: 0.5rem 1rem;
  background-color: #0066cc;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 1rem;
}
button:hover {
  background-color: #0052a3;
}
.social-links {
  margin-bottom: 1.5rem;
  display: flex;
  gap: 1.5rem;
}
.social-links a {
  color: #666;
  text-decoration: none;
  transition: color 0.2s ease;
  font-weight: 500;
}
.social-links a:hover {
  color: #0066cc;
  text-decoration: none;
}
footer {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid #eee;
  color: #666;
}
.post-date {
  color: #666;
  font-size: 0.9rem;
  margin-left: 0.5rem;
}
.categories {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  list-style: none;
  padding: 0;
}
.categories li {
  margin: 0;
}
.categories a {
  display: inline-block;
  padding: 0.3rem 0.8rem;
  background-color: #f5f5f5;
  border-radius: 20px;
  color: #666;
  text-decoration: none;
  transition: all 0.2s ease;
}
.categories a:hover {
  background-color: #e0e0e0;
  color: #333;
  text-decoration: none;
}
@media (max-width: 600px) {
  body {
    padding: 1rem;
  }
  h1 {
    font-size: 2rem;
  }
  form {
    flex-direction: column;
  }
  button {
    width: 100%;
  }
  .categories {
    flex-direction: column;
    gap: 0.5rem;
  }
}
.post-list {
  list-style: none;
  padding: 0;
  margin: 0 0 2rem 0;
}

.post-list li {
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid #eee;
}

.post-list li:last-child {
  border-bottom: none;
}

.post-meta {
  margin: 0.5rem 0;
  color: #666;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.reading-time {
  color: #666;
  font-size: 0.9rem;
}

.post-tags {
  margin: 1rem 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.post-tag {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  background-color: #f0f0f0;
  border-radius: 15px;
  color: #666;
  font-size: 0.8rem;
  text-decoration: none;
  transition: all 0.2s ease;
}

.post-tag:hover {
  background-color: #e0e0e0;
  color: #333;
  text-decoration: none;
}

.post-author {
  margin: 2rem 0;
  padding: 1.5rem;
  background-color: #f9f9f9;
  border-radius: 8px;
}

.post-author p {
  margin: 0.5rem 0;
  color: #666;
}

.post-author p:first-child {
  font-weight: 500;
  color: #333;
}

.post-category {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  background-color: #f5f5f5;
  border-radius: 15px;
  margin-left: 0.5rem;
  font-size: 0.8rem;
}

.post-excerpt {
  margin: 0.5rem 0 0 0;
  color: #666;
  font-size: 0.95rem;
  line-height: 1.5;
}

.post-navigation {
  margin: 2rem 0;
}

.post-share {
  margin: 2rem 0;
  padding: 1rem 0;
  border-top: 1px solid #eee;
  border-bottom: 1px solid #eee;
}

.post-share p {
  margin: 0 0 0.5rem 0;
  color: #666;
}

.post-share a {
  margin-right: 1rem;
}

@media (max-width: 600px) {
  .post-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  
  .post-tags {
    gap: 0.3rem;
  }
}