* { box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  max-width: 720px;
  margin: 0 auto;
  padding: 1.5rem;
  color: #1a1a1a;
  background: #fafafa;
  line-height: 1.5;
}

header {
  border-bottom: 1px solid #e0e0e0;
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
}

header h1 {
  margin: 0;
  font-size: 1.5rem;
}

header h1 a {
  color: inherit;
  text-decoration: none;
}

header h1 a:hover {
  text-decoration: underline;
}

.tagline {
  margin: 0.25rem 0 0;
  color: #666;
  font-size: 0.9rem;
}

.btn {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: #1a1a1a;
  color: #fff;
  border: none;
  cursor: pointer;
  font-size: 0.9rem;
  margin-top: 0.75rem;
  text-decoration: none;
  border-radius: 4px;
  transition: background 0.2s;
}

.btn:hover {
  background: #333;
}

.forum-section {
  margin-bottom: 2rem;
  background: #fff;
  border: 1px solid #eee;
  border-radius: 6px;
  overflow: hidden;
}

.section-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0;
  padding: 1rem;
  font-size: 1.1rem;
  border-bottom: 1px solid #eee;
  background: #fafafa;
}

.section-cover {
  width: 48px;
  height: 48px;
  object-fit: cover;
  border-radius: 4px;
}

.forum-section .post {
  padding: 1rem;
  border-top: 1px solid #f0f0f0;
}

.forum-section .post:first-of-type {
  border-top: none;
}

.post-cover {
  width: 100%;
  max-height: 200px;
  object-fit: cover;
  border-radius: 4px;
  margin-bottom: 0.75rem;
}

.post-link {
  display: block;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

.post-link:hover h3 {
  color: #0066cc;
}

.section-title a {
  color: inherit;
  text-decoration: none;
}

.section-title a:hover {
  color: #0066cc;
}

.post h3 {
  margin: 0 0 0.25rem;
  font-size: 1rem;
  transition: color 0.2s;
}

.post .meta {
  font-size: 0.8rem;
  color: #888;
  margin: 0 0 0.5rem;
}

.post .body {
  margin: 0;
  font-size: 0.9rem;
  color: #444;
  line-height: 1.6;
}

footer {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid #e0e0e0;
  text-align: center;
  color: #999;
  font-size: 0.8rem;
}

footer p {
  margin: 0.25rem 0;
}