.subcategory-card iconify-icon {
  width: 48px;  /* 容器宽度 */
  height: 48px; /* 容器高度 */
  font-size: 48px; /* 控制Iconify图标的大小 */
  margin-bottom: 0.5rem;
  object-fit: contain;
}

.category-grid {
  display: grid;
  gap: 1rem;
}
.category-section .name {
    font-size: 1.8rem;
    font-weight: bold;
    padding: 0.5rem 1rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
  border-left: 5px solid var(--accent-color);
  background: linear-gradient(to right, var(--accent-color-light), transparent);
    position: relative;
    display: inline-block;
    width: 100%;
    box-sizing: border-box;
    border-radius: 0 4px 4px 0;
    transition: all 0.3s ease;
  box-shadow: 0 2px 4px var(--shadow-color);
    width: 100%;
    box-sizing: border-box;
}

.category-section .desc {
    font-size: 1.0rem;
  color: var(--text-dim);
    margin-left: 1rem
}

.subcategory-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1rem;
  justify-content: flex-start;
}

.subcategory-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background-color: var(--card-background);
  border-radius: 12px;
  padding: 10px;
  width: 95px;
  height: 95px;
  justify-content: center;
  box-shadow: 0 2px 4px var(--shadow-color);
  transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
}

.subcategory-card span.book-title {
  word-break: break-word;
}

.subcategory-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 12px var(--shadow-color);
  background-color: var(--card-background-hover);
}

.subcategory-card a {
  text-decoration: none;
  color: var(--card-text-color);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

.subcategory-card img {
  width: 48px;
  height: 48px;
  margin-bottom: 0.5rem;
  object-fit: contain;
}

.subcategory-card span {
    font-size: 0.8rem;
    word-break: break-all;
}

/* Friend List Styles */
.friend-list {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  list-style: none;
  padding: 0;
  margin-top: 1rem;
}

.friend-list li a {
  display: block;
  padding: 0.5rem 1rem;
  background-color: var(--card-background);
  color: var(--card-text-color);
  border-radius: 8px;
  text-decoration: none;
  transition: background-color 0.2s ease, transform 0.2s ease;
  box-shadow: 0 2px 4px var(--shadow-color);
}

.friend-list li a:hover {
  background-color: var(--card-background-hover);
  transform: translateY(-2px);
}

/* Author Profile Styles */
.author-profile {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin: 2rem 0 0 0;
  padding: 1rem;
  background-color: var(--card-background);
  border-radius: 12px;
  box-shadow: 0 4px 8px var(--shadow-color);
}

.author-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--accent-color);
}

.author-info {
  font-size: 1.1rem;
  color: var(--text-dim);
}