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

body {
  font-family: Arial, sans-serif;
  color: #333;
  background: #f5f5f5;
  line-height: 1.6;
}

header {
  background-color: #fff;
  padding: 1rem 2rem;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

header .logo img {
  height: 50px;
  vertical-align: middle;
}

.main-nav a {
  color: #2c3e50;
  text-decoration: none;
  margin-left: 1.5rem;
  font-weight: 600;
}

.main-nav a:hover {
  color: #007BFF;
}

.content-wrapper {
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem;
}

.intro {
  background-color: #ffffff;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
  padding: 2rem;
  margin-bottom: 2rem;
}

.intro h1 {
  color: #2c3e50;
  margin-bottom: 0.5rem;
  font-size: 2rem;
}

.intro p {
  color: #555;
  font-size: 1.1rem;
}

.post-list {
  display: grid;
  gap: 1.5rem;
}

.post-preview {
  background-color: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
  padding: 1.5rem 2rem;
}

.post-preview h3 {
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
}

.post-preview h3 a {
  color: #2c3e50;
  text-decoration: none;
}

.post-preview h3 a:hover {
  color: #007BFF;
}

.post-meta {
  font-size: 0.9rem;
  color: #777;
  margin-bottom: 1rem;
}

.read-more {
  display: inline-block;
  margin-top: 0.5rem;
  color: #007BFF;
  text-decoration: none;
  font-weight: 600;
}

.read-more:hover {
  text-decoration: underline;
}

.post {
  background-color: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
  padding: 2rem;
}

.post h1 {
  color: #2c3e50;
  margin-bottom: 0.5rem;
  font-size: 2rem;
}

.post-content {
  margin-top: 1.5rem;
}

.post-content h2,
.post-content h3 {
  color: #2c3e50;
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
}

.post-content p {
  margin-bottom: 1rem;
}

.post-content ul,
.post-content ol {
  margin-left: 1.5rem;
  margin-bottom: 1rem;
}

.post-content a {
  color: #007BFF;
  text-decoration: none;
}

.post-content a:hover {
  text-decoration: underline;
}

.tag {
  display: inline-block;
  background: #eef6ff;
  color: #007BFF;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-size: 0.8rem;
  margin-right: 0.25rem;
}

footer {
  background-color: #fff;
  padding: 1rem 2rem;
  text-align: center;
  font-size: 0.9rem;
  color: #777;
  box-shadow: 0 -2px 4px rgba(0, 0, 0, 0.05);
  margin-top: 2rem;
}

@media (max-width: 600px) {
  header {
    flex-direction: column;
    align-items: flex-start;
  }

  .main-nav {
    margin-top: 1rem;
  }

  .main-nav a {
    margin-left: 0;
    margin-right: 1rem;
  }
}