/* 分类页面样式 */

/* 分类导航 */
.category-nav {
    margin-bottom: 30px;
    padding: 20px;
    background-color: #fff;
}

.category-title {
    font-size: 20px;
    color: var(--text-color);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary-color);
}

.category-list {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.category-item {
    position: relative;
}

.category-item a {
    padding: 8px 15px;
    border-radius: 4px;
    transition: all 0.3s;
}

.category-item.active a {
    color: #fff;
    background-color: var(--primary-color);
}

.category-item:hover a {
    color: var(--primary-color);
}

.category-item.active:hover a {
    color: #fff;
}

/* 图书展示区 */
.book-section {
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
}

/* 筛选器 */
.book-filter {
    margin-bottom: 20px;
    text-align: right;
}

.filter-select {
    padding: 8px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    color: var(--text-color);
    cursor: pointer;
}

.filter-select:hover {
    border-color: var(--primary-color);
}

/* 图书网格 */
.book-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.book-item {
    text-align: center;
    padding: 15px;
    transition: transform 0.3s;
}

.book-item:hover {
    transform: translateY(-5px);
}

.book-item img {
    width: 160px;
    height: 220px;
    object-fit: cover;
    margin-bottom: 15px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.book-item h3 {
    font-size: 16px;
    margin-bottom: 8px;
    color: var(--text-color);
}

.book-item .author {
    color: #666;
    font-size: 14px;
    margin-bottom: 8px;
}

.book-item .price {
    color: var(--primary-color);
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 15px;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.page-item {
    display: inline-block;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    color: var(--text-color);
    transition: all 0.3s;
    cursor: pointer;
}

.page-item.active {
    background-color: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

.page-item:hover:not(.active) {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* 响应式调整 */
@media screen and (max-width: 768px) {
    .category-list {
        flex-direction: column;
        gap: 10px;
    }

    .category-item a {
        display: block;
        padding: 10px;
        text-align: center;
        background-color: #f8f8f8;
    }

    .book-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 20px;
    }

    .book-item img {
        width: 130px;
        height: 180px;
    }

    .pagination {
        flex-wrap: wrap;
    }
}