/**
 * 分类频道 / 列表页网格
 */
h1.page-title {
  margin: 0 0 8px;
  font-size: 20px;
}

p.page-desc {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

nav.top-nav a {
  margin-right: 10px;
  color: var(--muted);
  font-size: 13px;
}

nav.top-nav a:hover {
  color: var(--text);
}

.grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 14px;
}

@media (max-width: 720px) {
  .grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.card,
.item {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
  background: var(--card);
  transition: border-color 0.2s;
}

.card:hover,
.item:hover {
  border-color: rgba(106, 166, 255, 0.5);
}

.card h2,
.item h2 {
  margin: 0 0 6px;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.35;
}

.card p,
.item p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.ep-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.ep-nav a {
  border: 1px solid var(--line);
  padding: 6px 10px;
  border-radius: 8px;
  font-size: 12px;
  color: var(--muted);
}

.ep-nav a:hover {
  border-color: rgba(106, 166, 255, 0.6);
  color: var(--text);
}

/* 列表页 */
section.grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 14px;
}

@media (max-width: 720px) {
  section.grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .grid,
  section.grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  nav.top-nav a {
    font-size: 12px;
  }
}

article.item {
  border: 1px solid var(--line);
  background: rgba(18, 26, 51, 0.55);
  border-radius: 14px;
  padding: 12px;
  display: block;
  transition: border-color 0.2s;
}

article.item:hover {
  border-color: rgba(106, 166, 255, 0.6);
}

article.item h2 {
  margin: 0 0 6px;
  font-weight: 700;
  font-size: 14px;
  line-height: 1.35;
}

article.item p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}