/* ========== 面包屑区域 ========== */
.breadcrumb-section {
    background: var(--primary-light);
    padding: 0.8rem 0;
    border-bottom: 1px solid var(--border-light);
    margin-top: 0;
}
.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-soft);
}
.breadcrumb a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}
.breadcrumb span:last-child {
    color: var(--text-dark);
    font-weight: 500;
}
.breadcrumb svg {
    width: 14px;
    height: 14px;
    vertical-align: middle;
    fill: currentColor;
}

/* ========== 左侧菜单面板 ========== */
.filter-panel .menu-search {
    margin-bottom: 1.2rem;
    position: relative;
}
.filter-panel .menu-search input {
   /* width: 100%;*/
    padding: 12px 16px;
    border-radius: 60px;
    border: 1px solid var(--border-light);
    background: var(--secondary);
    font-size: 0.9rem;
    outline: none;
    transition: 0.2s;
}
.filter-panel .menu-search input:focus {
    border-color: var(--primary);
}
.category-level-1 {
    margin-top: 0.8rem;
}
.cat-1-title {
    font-weight: 700;
    font-size: 1rem;
    padding: 10px 12px;
    background: rgba(0,0,0,0.03);
    border-radius: 40px;
    margin: 8px 0 4px;
    color: var(--primary);
    letter-spacing: -0.2px;
    display: flex;
    justify-content: space-between;
    cursor: pointer;
    transition: 0.2s;
}
.cat-1-title:hover {
    background: var(--primary-light);
}
.cat-1-title .chevron {
    transition: transform 0.2s;
}
.cat-1-title.collapsed .chevron {
    transform: rotate(-90deg);
}
.sub-menu-list {
    list-style: none;
    padding-left: 0.8rem;
    margin-bottom: 0.8rem;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}
.sub-menu-list.collapsed {
    max-height: 0 !important;
    padding: 0;
    margin: 0;
}
.sub-menu-item {
    margin: 4px 0;
}
.sub-menu-btn {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 8px 12px;
    border-radius: 40px;
    background: transparent;
    border: none;
    font-size: 0.85rem;
    text-align: left;
    cursor: pointer;
    transition: all 0.2s;
    color: var(--text-dark);
    gap: 8px;
}
.sub-menu-btn:hover {
    background: var(--primary-light);
}
.sub-menu-btn.active {
    background: var(--primary);
    color: white;
}
.cat-count {
    background: var(--accent);
    color: white;
    border-radius: 40px;
    padding: 2px 10px;
    font-size: 0.7rem;
    font-weight: 600;
    margin-left: auto;
    white-space: nowrap;
}
.sub-menu-btn.active .cat-count {
    background: white;
    color: var(--primary);
}
.all-products-btn {
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border-light);
    padding-bottom: 0.8rem;
}
.all-products-trigger {
    width: 100%;
    background: var(--secondary);
    border: 1px solid var(--primary);
    border-radius: 60px;
    padding: 10px;
    font-weight: 600;
    color: var(--primary);
    transition: 0.2s;
}
.all-products-trigger:hover {
    background: var(--primary);
    color: white;
}

/* ========== 产品卡片 ========== */
.product-card {
    position: relative;
    overflow: hidden;
    background: var(--secondary);
    border-radius: 24px;
    border: 1px solid var(--border-light);
    padding: 1rem 1rem 1.5rem;
    transition: transform 0.2s, box-shadow 0.2s;
    display: flex;
    flex-direction: column;
}
.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.08);
}
.product-img {
    position: relative;
    display: block;
    width: 100%;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    border-radius: 18px;
    background-color: #eef2f6;
}
.product-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.wishlist-icon {
    position: absolute;
    top: 12px;
    right: 12px;
    background: white;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    cursor: pointer;
    z-index: 2;
    transition: 0.2s;
    border: none;
}
.wishlist-icon svg {
    width: 20px;
    height: 20px;
    fill: #ccc;
    transition: fill 0.2s;
}
.wishlist-icon.active svg {
    fill: #e74c3c;
}
.product-details {
    margin-top: 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.product-title {
    font-size: 1rem;
    font-weight: 800;
    margin: 0;
    cursor: pointer;
}
.product-spec-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 12px;
    font-size: 0.75rem;
    color: var(--text-soft);
    margin: 4px 0;
}
.product-spec-grid span {
    background: var(--primary-light);
    padding: 2px 8px;
    border-radius: 30px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.price-block {
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 8px;
    margin: 6px 0;
}
.current-price {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--accent);
}
.old-price {
    font-size: 0.8rem;
    text-decoration: line-through;
    color: var(--text-soft);
}
.discount-badge {
    background: #27ae60;
    color: white;
    border-radius: 20px;
    padding: 2px 8px;
    font-size: 0.7rem;
}
.product-actions {
    display: flex;
    gap: 8px;
    margin-top: auto;
    flex-wrap: wrap;
}
.action-icon-btn {
    flex: 1;
    background: var(--primary-light);
    border: none;
    border-radius: 40px;
    padding: 8px 4px;
    font-size: 0.7rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    cursor: pointer;
    transition: 0.2s;
    color: var(--text-dark);
}
.action-icon-btn svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
}
.action-icon-btn:hover {
    background: var(--primary);
    color: white;
}
.action-icon-btn.compare-active {
    background: var(--accent);
    color: white;
}

/* ========== 分页 ========== */
.pagination {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 2.5rem;
    padding: 0.5rem 0;
}
.page-prev,
.page-next,
.page-num,
.page-dots {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 8px;
    border-radius: 40px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-dark);
    background: transparent;
    border: 1px solid var(--border-light);
    transition: all 0.2s ease;
    cursor: pointer;
    text-decoration: none;
}
.page-prev,
.page-next {
    padding: 0 12px;
}
.page-prev svg,
.page-next svg {
    stroke: var(--text-soft);
    transition: stroke 0.2s;
}
.page-num:hover,
.page-prev:hover,
.page-next:hover {
    background-color: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary);
}
.page-prev:hover svg,
.page-next:hover svg {
    stroke: var(--primary);
}
.page-num.active {
    background-color: var(--primary);
    border-color: var(--primary);
    color: white;
    pointer-events: none;
}
.page-dots {
    border: none;
    background: transparent;
    cursor: default;
    pointer-events: none;
    color: var(--text-soft);
}

/* ========== 无结果提示 ========== */
.no-results {
    text-align: center;
    padding: 3rem;
}

/* ========== 主区域布局 ========== */
.product-listing-section {
    padding: 3rem 0;
    background: var(--secondary);
}
.product-listing-container {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
}
.filter-mobile-header {
    display: none;
    align-items: center;
    justify-content: space-between;
    background: var(--primary-light);
    padding: 10px 16px;
    border-radius: 60px;
    margin-bottom: 1rem;
    border: 1px solid var(--border-light);
}
.filter-mobile-header .filter-tab {
    margin: 0;
    padding: 8px 16px;
    background: var(--secondary);
    border: 1px solid var(--border-light);
    border-radius: 60px;
    font-weight: 600;
}
.filter-mobile-header .filter-tab.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}
.filter-toggle {
    background: none;
    border: none;
    font-size: 2rem;
    line-height: 1;
    cursor: pointer;
    color: var(--primary);
    padding: 0 10px;
}
.filter-panel {
    width: 280px;
    flex-shrink: 0;
    background: var(--primary-light);
    border-radius: 32px;
    padding: 1.5rem 1.2rem;
    box-shadow: 0 8px 20px rgba(0,0,0,0.02);
    border: 1px solid var(--border-light);
}
.product-results {
    flex: 1;
}
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 320px));
    gap: 1.5rem;
    margin-bottom: 2rem;
    justify-content: center;
}

/* ========== 响应式 ========== */
@media (max-width: 768px) {
    .filter-mobile-header {
        display: flex;
    }
    .filter-panel {
        display: none;
        margin-top: 1rem;
        width: 100%;
    }
    .filter-panel.show {
        display: block;
    }
    .product-listing-container {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }
    .filter-panel,
    .product-results {
        width: 100% !important;
    }
    .pagination {
        gap: 6px;
        margin-top: 1.8rem;
    }
    .page-prev,
    .page-next,
    .page-num,
    .page-dots {
        min-width: 36px;
        height: 36px;
        font-size: 0.85rem;
        padding: 0 6px;
    }
    .page-prev,
    .page-next {
        padding: 0 8px;
    }
}
@media (max-width: 600px) {
    .product-grid {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    .product-card {
        width: 100%;
        max-width: 100%;
        margin-left: auto;
        margin-right: auto;
        box-sizing: border-box;
    }
    .product-spec-grid span {
        font-size: 0.7rem;
    }
    .action-icon-btn {
        font-size: 0.65rem;
        padding: 6px 2px;
    }
    .pagination {
        gap: 5px;
    }
    .page-prev,
    .page-next,
    .page-num,
    .page-dots {
        min-width: 32px;
        height: 32px;
        font-size: 0.8rem;
    }
}
@media (min-width: 601px) and (max-width: 992px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}