/**
 * ICP4 商品页面样式
 * 紫色科技风
 */

/* ==================== 筛选面板 ==================== */
.icp4-filter-panel {
    background: #fff;
    border-radius: var(--radius-xl);
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-card);
}

.icp4-filter-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--border-light);
}

.icp4-filter-header h3 {
    font-size: 18px;
    font-weight: 700;
    background: var(--purple-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.icp4-multiple-mode {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-secondary);
    cursor: pointer;
}

.icp4-filter-row {
    display: flex;
    gap: 16px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-light);
}

.icp4-filter-row:last-child {
    border-bottom: none;
}

.icp4-filter-label {
    flex: 0 0 100px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    padding-top: 8px;
}

.icp4-filter-values {
    flex: 1;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.icp4-filter-item {
    padding: 8px 16px;
    background: #f8f9fa;
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition-base);
    border: 2px solid transparent;
}

.icp4-filter-item:hover {
    background: rgba(139, 92, 246, 0.1);
    color: var(--purple-primary);
    border-color: var(--purple-primary);
}

.icp4-filter-item.active {
    background: var(--purple-gradient);
    color: #fff;
    font-weight: 600;
}

/* ==================== 排序栏 ==================== */
.icp4-sort-bar {
    background: #fff;
    border-radius: var(--radius-xl);
    padding: 16px 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-card);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.icp4-result-count {
    font-size: 14px;
    color: var(--text-tertiary);
}

.icp4-result-count .count {
    font-size: 18px;
    font-weight: 700;
    background: var(--purple-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0 4px;
}

/* ==================== 商品网格 ==================== */
.icp4-goods-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 30px;
}

.icp4-goods-card {
    background: #fff;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: var(--transition-base);
    text-decoration: none;
    display: block;
}

.icp4-goods-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

.icp4-goods-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
    position: relative;
}

.icp4-goods-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.icp4-goods-card:hover .icp4-goods-image img {
    transform: scale(1.1);
}

.icp4-goods-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    color: #fff;
    padding: 6px 12px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
}

.icp4-goods-badge.hot {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.icp4-goods-badge.new {
    background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
}

.icp4-goods-content {
    padding: 20px;
}

.icp4-goods-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 48px;
}

.icp4-goods-price-row {
    display: flex;
    align-items: baseline;
    gap: 12px;
    margin-bottom: 12px;
}

.icp4-goods-price {
    font-size: 24px;
    font-weight: 700;
    background: var(--purple-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.icp4-goods-price .symbol {
    font-size: 16px;
}

.icp4-goods-market-price {
    font-size: 14px;
    color: var(--text-disabled);
    text-decoration: line-through;
}

.icp4-goods-meta {
    display: flex;
    gap: 16px;
    font-size: 13px;
    color: var(--text-tertiary);
}

.icp4-goods-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* ==================== 商品详情页布局 ==================== */
.icp4-goods-detail-wrapper {
    display: flex;
    gap: 32px;
    margin-bottom: 32px;
}

.icp4-goods-gallery {
    flex: 0 0 500px;
}

.icp4-goods-info {
    flex: 1;
    background: #fff;
    border-radius: var(--radius-xl);
    padding: 32px;
    box-shadow: var(--shadow-card);
}

/* ==================== 商品图片展示（单图） ==================== */
.icp4-goods-image {
    background: #fff;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    position: relative;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
}

.goods-main-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    transition: transform 0.3s ease;
}

.icp4-goods-image:hover .goods-main-image {
    transform: scale(1.05);
}

/* ==================== 商品信息 ==================== */
.icp4-goods-detail-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 16px 0;
    line-height: 1.4;
}

.icp4-goods-tags {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
}

.icp4-goods-tags .tag {
    padding: 6px 12px;
    color: #fff;
    border-radius: var(--radius-md);
    font-size: 13px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 4px;
}

.icp4-goods-tags .tag.hot {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.icp4-goods-tags .tag.new {
    background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
}

.icp4-goods-tags .tag.recommend {
    background: var(--purple-gradient);
}

/* ==================== 价格面板 ==================== */
.icp4-goods-price-panel {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(99, 102, 241, 0.1) 100%);
    border-radius: var(--radius-xl);
    padding: 24px;
    margin-bottom: 24px;
}

.icp4-price-row {
    display: flex;
    align-items: baseline;
    gap: 16px;
    margin-bottom: 16px;
}

.icp4-price-row .label {
    font-size: 16px;
    color: var(--text-secondary);
}

.icp4-price-row .price {
    font-size: 36px;
    font-weight: 700;
    background: var(--purple-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.icp4-price-row .symbol {
    font-size: 24px;
}

.icp4-price-row .market-price {
    font-size: 14px;
    color: var(--text-disabled);
    text-decoration: line-through;
}

.icp4-stats-row {
    display: flex;
    gap: 24px;
    font-size: 14px;
    color: var(--text-tertiary);
}

.icp4-stats-row span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.icp4-stats-row i {
    color: var(--purple-primary);
}

/* ==================== 规格选择 ==================== */
.icp4-goods-specs {
    margin-bottom: 24px;
}

.icp4-spec-row {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
}

.icp4-spec-label {
    flex: 0 0 80px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    padding-top: 8px;
}

.icp4-spec-values {
    flex: 1;
}

.icp4-spec-values ul {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.icp4-spec-item {
    padding: 8px 20px;
    background: #f8f9fa;
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition-base);
    border: 2px solid transparent;
    cursor: pointer;
}

.icp4-spec-item:hover {
    background: rgba(139, 92, 246, 0.1);
    color: var(--purple-primary);
    border-color: var(--purple-primary);
}

.icp4-spec-item.selected {
    background: var(--purple-gradient);
    color: #fff;
    border-color: var(--purple-primary);
}

.icp4-spec-item.disabled {
    background: #e9ecef;
    color: #adb5bd;
    cursor: not-allowed;
    opacity: 0.5;
}

/* ==================== 数量选择 ==================== */
.icp4-quantity-row {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.icp4-quantity-row .label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.icp4-quantity-selector {
    display: flex;
    align-items: center;
    border: 2px solid var(--border-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.icp4-quantity-selector .quantity-down,
.icp4-quantity-selector .quantity-up {
    width: 40px;
    height: 40px;
    border: none;
    background: #f8f9fa;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    user-select: none;
}

.icp4-quantity-selector .quantity-down:hover,
.icp4-quantity-selector .quantity-up:hover {
    background: var(--purple-primary);
    color: #fff;
}

.icp4-quantity-selector .quantity-text {
    width: 60px;
    height: 40px;
    border: none;
    text-align: center;
    font-size: 16px;
    font-weight: 600;
    outline: none;
}

.stock-info {
    font-size: 13px;
    color: var(--text-tertiary);
}

/* ==================== 操作按钮 ==================== */
.icp4-goods-actions {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
}

.icp4-btn-large {
    padding: 16px 32px;
    font-size: 16px;
}

.icp4-btn-icon {
    width: 56px;
    height: 56px;
    padding: 0;
    font-size: 20px;
}

/* ==================== 商家信息卡片 ==================== */
.icp4-merchant-info-card {
    background: #f8f9fa;
    border-radius: var(--radius-xl);
    padding: 20px;
}

.merchant-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.merchant-header img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.merchant-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

/* ==================== 详情标签页 ==================== */
.icp4-goods-tabs {
    background: #fff;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    margin-bottom: 32px;
}

.icp4-tabs-nav {
    display: flex;
    border-bottom: 2px solid var(--border-light);
}

.icp4-tabs-nav .tab-item {
    flex: 1;
    padding: 20px;
    text-align: center;
    background: transparent;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    transition: var(--transition-base);
    border-bottom: 3px solid transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.icp4-tabs-nav .tab-item:hover {
    color: var(--purple-primary);
    background: rgba(139, 92, 246, 0.05);
}

.icp4-tabs-nav .tab-item.active {
    color: var(--purple-primary);
    border-bottom-color: var(--purple-primary);
}

.icp4-tabs-content {
    padding: 32px;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

/* ==================== 商品详情内容 ==================== */
.icp4-goods-detail-content {
    font-size: 15px;
    line-height: 2;
    color: var(--text-secondary);
}

.icp4-goods-detail-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    margin: 16px 0;
}

/* ==================== 参数表格 ==================== */
.icp4-params-table {
    width: 100%;
    border-collapse: collapse;
}

.icp4-params-table tr {
    border-bottom: 1px solid var(--border-light);
}

.icp4-params-table td {
    padding: 16px;
}

.icp4-params-table .param-name {
    width: 200px;
    font-weight: 600;
    color: var(--text-primary);
    background: #f8f9fa;
}

.icp4-params-table .param-value {
    color: var(--text-secondary);
}

/* ==================== 相关推荐 ==================== */
.icp4-related-goods {
    margin-bottom: 32px;
}

.icp4-related-goods h3 {
    font-size: 24px;
    font-weight: 700;
    background: var(--purple-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0 0 24px 0;
    display: flex;
    align-items: center;
    gap: 12px;
}

/* 相关推荐网格布局 - 一行4个（强制四列） */
.icp4-related-grid {
    display: grid !important;
    grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
    gap: 20px;
    /* 防止意外文本节点（如“}”）显示 */
    font-size: 0;
}
.icp4-related-grid > * {
    float: none !important;
    width: auto !important;
}

/* 相关推荐商品卡片 */
.icp4-related-card {
    background: #fff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: var(--transition-base);
    text-decoration: none;
    display: block;
    font-size: 14px; /* 恢复文本字号 */
}

.icp4-related-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(139, 92, 246, 0.2);
}

/* 相关推荐商品图片 */
.icp4-related-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    position: relative;
    background: #f8f9fa;
}

.icp4-related-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.icp4-related-card:hover .icp4-related-image img {
    transform: scale(1.05);
}

/* 相关推荐商品内容 */
.icp4-related-content {
    padding: 16px;
}

/* 相关推荐商品标题 */
.icp4-related-title {
    font-size: 14px;
    font-weight: 500;
    line-height: 1.5;
    color: var(--text-primary);
    margin: 0 0 12px 0;
    height: 42px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 相关推荐商品价格 */
.icp4-related-price {
    font-size: 18px;
    font-weight: 700;
    background: var(--purple-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ==================== 响应式 ==================== */
@media (max-width: 992px) {
    .icp4-goods-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .icp4-related-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .icp4-goods-detail-wrapper {
        flex-direction: column;
    }

    .icp4-goods-gallery {
        flex: 1;
        width: 100%;
    }
}

@media (max-width: 768px) {
    .icp4-goods-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .icp4-related-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .icp4-filter-row {
        flex-direction: column;
        gap: 8px;
    }

    .icp4-filter-label {
        flex: none;
    }

    .icp4-sort-bar {
        flex-direction: column;
        gap: 12px;
    }

    .icp4-goods-image {
        height: 300px;
    }

    .icp4-goods-actions {
        flex-direction: column;
    }
}