.catalog-page {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0%, #f7f7f8 180px, #f7f7f8 100%);
    min-height: calc(100vh - 56px);
}

.catalog-panel,
.product-card,
.empty-state {
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.04);
}

.catalog-content-section {
    padding: 1.5rem 0 4rem;
}

.catalog-toolbar {
    padding: 0.75rem 1rem;
}

/* 搜索栏：所有屏幕单行布局 */
.catalog-toolbar-form {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.catalog-toolbar-form .form-control {
    flex: 1 1 auto;
    min-width: 0;
}

.catalog-toolbar-form .form-select {
    flex: 0 0 auto;
    width: auto;
    min-width: 0;
}

.catalog-toolbar-form .btn {
    flex: 0 0 auto;
    white-space: nowrap;
}

.catalog-toolbar .form-control,
.catalog-toolbar .form-select,
.catalog-toolbar .btn {
    min-height: 38px;
    font-size: 0.75rem;
    padding: 0.4rem 0.75rem;
}

/* ===== 分类导航：一级标题横排 + 二级图片卡片横排，可鼠标拖动 ===== */
.category-nav-panel {
    padding: 0.85rem 1rem 1rem;
}

.category-level1-scroll,
.category-level2-scroll {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    cursor: grab;
    user-select: none;
    scrollbar-width: none;
    -ms-overflow-style: none;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-x pan-y;
}

.category-level1-scroll::-webkit-scrollbar,
.category-level2-scroll::-webkit-scrollbar {
    display: none;
}

.category-level1-scroll.dragging,
.category-level2-scroll.dragging {
    cursor: grabbing;
}

.category-level1-item {
    flex: 0 0 auto;
    white-space: nowrap;
    padding: 0.45rem 1.1rem;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 999px;
    background: #ffffff;
    color: #4b5563;
    font-size: 0.8rem;
    font-weight: 600;
    line-height: 1.5;
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.category-level1-item:hover {
    background-color: rgba(32, 34, 35, 0.05);
    color: #202223;
}

.category-level1-item.active {
    background: #202223;
    border-color: #202223;
    color: #ffffff;
}

.category-level2-scroll {
    gap: 0.75rem;
    margin-top: 0.85rem;
    padding: 2px 2px 4px;
}

.category-level2-card {
    flex: 0 0 auto;
    display: block;
    width: 150px;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 12px;
    overflow: hidden;
    background: #ffffff;
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.category-level2-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.1);
}

.category-level2-card.active {
    border-color: #202223;
    box-shadow: 0 0 0 2px rgba(32, 34, 35, 0.75);
}

.category-level2-img-wrap {
    display: block;
    width: 150px;
    height: 150px;
    background: #f3f4f6;
    overflow: hidden;
}

.category-level2-img-wrap img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    pointer-events: none;
}

.category-level2-name {
    display: block;
    padding: 0.4rem 0.5rem;
    text-align: center;
    color: #4b5563;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1.4;
}

.category-level2-card:hover .category-level2-name,
.category-level2-card.active .category-level2-name {
    color: #202223;
}

.catalog-results-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 1rem;
    margin-bottom: 1rem;
}

.catalog-results-title {
    color: #202223;
    font-size: 1.1rem;
    font-weight: 700;
    line-height: 1.35;
}

.catalog-results-meta {
    color: #6b7280;
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
}

.product-card {
    border: 1px solid rgba(0, 0, 0, 0.06);
    overflow: hidden;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 18px 36px rgba(15, 23, 42, 0.08);
}

.product-image-link {
    display: block;
    color: inherit;
    text-decoration: none;
}

.product-img-wrap {
    position: relative;
    overflow: hidden;
    aspect-ratio: 1 / 1;
    background: #f3f4f6;
}

.product-img-base,
.product-img-hover {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: opacity 0.3s ease, transform 0.35s ease;
}

.product-img-hover {
    position: absolute;
    inset: 0;
    opacity: 0;
}

.product-img-wrap.has-hover:hover .product-img-hover {
    opacity: 1;
}

.product-img-wrap.has-hover:hover .product-img-base,
.product-img-wrap:hover .product-img-base {
    transform: scale(1.04);
}

.product-card-body {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 0.75rem 1rem 1rem;
}

.product-meta {
    min-height: 1.5rem;
    margin-bottom: 0.15rem;
}

.product-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.5rem;
    border-radius: 999px;
    background-color: rgba(32, 34, 35, 0.06);
    color: #202223;
    font-size: 0.7rem;
    font-weight: 600;
}

.product-name {
    color: #202223;
    font-size: 0.85rem;
    font-weight: 600;
    line-height: 1.5;
    text-decoration: none;
}

.product-name:hover {
    color: #000000;
}

.product-price {
    color: #111827;
    font-size: 0.85rem;
    font-weight: 700;
    line-height: 1.5;
}

.empty-state {
    padding: 3rem 1.5rem;
    text-align: center;
}

.empty-state-title {
    margin-bottom: 0.5rem;
    color: #202223;
    font-size: 1rem;
    font-weight: 700;
}

@media (max-width: 991.98px) {
    .catalog-results-head {
        align-items: baseline;
        flex-wrap: wrap;
    }
}

@media (max-width: 767.98px) {
    .catalog-content-section {
        padding-bottom: 3rem;
    }

    .catalog-toolbar {
        padding: 0.5rem 0.6rem;
    }

    .catalog-toolbar-form {
        gap: 0.35rem;
    }

    .catalog-toolbar .form-control,
    .catalog-toolbar .form-select,
    .catalog-toolbar .btn {
        min-height: 36px;
        font-size: 0.75rem;
        padding: 0.3rem 0.5rem;
    }

    .catalog-toolbar-form .btn {
        padding: 0.3rem 0.7rem;
    }

    .catalog-results-meta {
        white-space: nowrap;
        flex-shrink: 0;
        margin-left: auto;
    }

    .catalog-results-title {
        font-size: 1rem;
    }

    .category-nav-panel {
        padding: 0.75rem 0.75rem 0.85rem;
    }

    .category-level1-item {
        padding: 0.4rem 0.85rem;
        font-size: 0.78rem;
    }

    .category-level2-scroll {
        gap: 0.5rem;
        margin-top: 0.7rem;
    }

    .category-level2-card {
        width: 104px;
        border-radius: 10px;
    }

    .category-level2-img-wrap {
        width: 104px;
        height: 104px;
    }

    .category-level2-name {
        padding: 0.3rem 0.35rem;
        font-size: 0.7rem;
    }

    .product-card-body {
        gap: 0.15rem;
        padding: 0.5rem 0.6rem 0.65rem;
    }

    .product-name,
    .product-price {
        font-size: 0.78rem;
    }

    .product-badge {
        padding: 0.15rem 0.4rem;
        font-size: 0.62rem;
    }

    .product-meta {
        min-height: 1.2rem;
    }
}

@media (max-width: 400px) {
    .category-level2-card,
    .category-level2-img-wrap {
        width: 92px;
    }

    .category-level2-img-wrap {
        height: 92px;
    }
}