/* ============================================
   PRODUCT DESCRIPTION - Professional Template
   Version: 7.0.0
   通用产品详情页样式 - 简洁、专业、通用
   适用于所有产品类型
   ============================================ */

/* === CSS Variables - 可自定义主题色 === */
.product-description-pro {
    --pd-primary: #0077b3;
    --pd-primary-light: #e8f4fa;
    --pd-primary-dark: #005a8a;
    --pd-text: #1f2937;
    --pd-text-secondary: #4b5563;
    --pd-text-muted: #6b7280;
    --pd-bg-light: #f9fafb;
    --pd-border: #e5e7eb;
    --pd-border-light: #f3f4f6;
    --pd-success: #059669;
    --pd-warning: #d97706;
    --pd-warning-bg: #fefce8;
    --pd-warning-border: #fde047;
    --pd-radius: 8px;
    --pd-radius-lg: 12px;
}

/* === Description Container === */
.description-content {
    max-width: 100%;
}

.product-description-pro {
    color: var(--pd-text);
    line-height: 1.7;
    font-size: 14px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    padding-bottom: 4px;
}

/* === Section Blocks === */
.product-description-pro .desc-block {
    margin-bottom: 28px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--pd-border-light);
}

.product-description-pro .desc-block:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.product-description-pro .desc-block.disclaimer {
    margin-bottom: 4px;
    padding-bottom: 0;
    border-bottom: none;
}

/* === Section Headers === */
.product-description-pro h3 {
    font-size: 15px;
    font-weight: 600;
    color: var(--pd-text);
    margin: 0 0 14px 0;
    padding: 0 0 10px 0;
    border-bottom: 1px solid var(--pd-border);
    letter-spacing: -0.01em;
}

/* 去除默认的伪元素装饰 */
.product-description-pro h3::before {
    display: none;
}

/* === Paragraphs === */
.product-description-pro p {
    margin: 0 0 12px;
    color: var(--pd-text-secondary);
    line-height: 1.7;
    font-size: 14px;
}

.product-description-pro p:last-child {
    margin-bottom: 0;
}

/* 强调文本 */
.product-description-pro p strong,
.product-description-pro strong {
    color: var(--pd-text);
    font-weight: 600;
}

/* === Info Tables (通用表格样式) === */
/* 
 * info-table 核心样式已统一移至 product-detail.css
 * 此处仅保留容器外边距
 */
.product-description-pro .info-table {
    margin-top: 14px;
}

/* === Storage & Handling Grid === */
.product-description-pro .storage-info {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-top: 16px;
}

.product-description-pro .storage-item {
    border-radius: var(--pd-radius);
    border: 1px solid var(--pd-border);
    overflow: hidden;
    background: #fff;
}

.product-description-pro .storage-item h4 {
    font-size: 13px;
    font-weight: 600;
    color: var(--pd-text);
    margin: 0;
    padding: 12px 14px;
    background: var(--pd-bg-light);
    border-bottom: 1px solid var(--pd-border);
    display: flex;
    align-items: center;
    gap: 8px;
}

.product-description-pro .storage-item h4 svg {
    width: 16px;
    height: 16px;
    color: var(--pd-primary);
    flex-shrink: 0;
}

/* 去除默认emoji图标 */
.product-description-pro .storage-item:nth-child(1) h4::before,
.product-description-pro .storage-item:nth-child(2) h4::before,
.product-description-pro .storage-item:nth-child(3) h4::before {
    content: none;
}

.product-description-pro .storage-item ul {
    margin: 0;
    padding: 14px;
    list-style: none;
}

.product-description-pro .storage-item ul li {
    position: relative;
    padding-left: 14px;
    margin-bottom: 8px;
    font-size: 12px;
    color: var(--pd-text-secondary);
    line-height: 1.5;
}

.product-description-pro .storage-item ul li:last-child {
    margin-bottom: 0;
}

.product-description-pro .storage-item ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 5px;
    height: 5px;
    background: var(--pd-primary);
    border-radius: 50%;
}

/* === Applications List === */
.product-description-pro .applications-list {
    margin-top: 12px;
    padding: 12px 16px;
    background: var(--pd-bg-light);
    border-radius: 6px;
    border: 1px solid var(--pd-border);
    font-size: 13px;
    color: var(--pd-text-secondary);
    line-height: 1.6;
}

.product-description-pro .applications-list strong {
    color: var(--pd-text);
    font-weight: 600;
}

/* === Disclaimer Block === */
.product-description-pro .disclaimer {
    margin-top: 20px;
    margin-bottom: 4px;
    padding: 14px 16px;
    background: var(--pd-warning-bg);
    border-radius: 6px;
    border: 1px solid var(--pd-warning-border);
    box-sizing: border-box;
    overflow: visible;
}

.product-description-pro .disclaimer::before {
    content: none;
}

.product-description-pro .disclaimer p {
    margin: 0;
    font-size: 12px;
    color: #854d0e;
    line-height: 1.6;
    padding-left: 0;
}

.product-description-pro .disclaimer strong {
    color: #713f12;
    font-weight: 600;
}

/* === Specification Overview Cards (可选组件) === */
.product-description-pro .spec-overview {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    margin-top: 16px;
}

.product-description-pro .spec-overview-item {
    background: var(--pd-bg-light);
    border-radius: var(--pd-radius);
    padding: 16px 14px;
    text-align: center;
    border: 1px solid var(--pd-border);
}

.product-description-pro .spec-overview-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--pd-text-muted);
    margin-bottom: 4px;
}

.product-description-pro .spec-overview-value {
    font-size: 14px;
    font-weight: 600;
    color: var(--pd-text);
}

/* === Research Tags (可选组件) === */
.product-description-pro .research-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}

.product-description-pro .research-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    background: var(--pd-bg-light);
    border: 1px solid var(--pd-border);
    border-radius: 100px;
    font-size: 12px;
    color: var(--pd-text-secondary);
}

.product-description-pro .research-tag::before {
    content: '✓';
    font-size: 10px;
    color: var(--pd-success);
}

/* === Key Features Grid (可选组件) === */
.product-description-pro .key-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-top: 16px;
}

.product-description-pro .key-feature {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 14px;
    background: var(--pd-bg-light);
    border-radius: var(--pd-radius);
    border: 1px solid var(--pd-border);
}

.product-description-pro .key-feature-icon {
    width: 28px;
    height: 28px;
    background: var(--pd-primary);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 12px;
    flex-shrink: 0;
}

.product-description-pro .key-feature-text {
    font-size: 12px;
    color: var(--pd-text-secondary);
    line-height: 1.4;
}

.product-description-pro .key-feature-text strong {
    display: block;
    color: var(--pd-text);
    font-weight: 600;
    margin-bottom: 2px;
}

/* === Sequence Display (肽类产品专用) === */
.product-description-pro .sequence-display {
    margin-top: 12px;
    padding: 14px 16px;
    background: var(--pd-bg-light);
    border-radius: var(--pd-radius);
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Code', monospace;
    font-size: 12px;
    color: var(--pd-text);
    line-height: 1.6;
    word-break: break-all;
    border: 1px solid var(--pd-border);
}

/* === Molecular Formula Highlight === */
.product-description-pro .formula-highlight {
    display: inline-block;
    padding: 2px 8px;
    background: var(--pd-primary-light);
    border-radius: 4px;
    font-family: 'SF Mono', monospace;
    font-size: 12px;
    color: var(--pd-primary-dark);
    font-weight: 500;
}

/* === Highlight Box (通用高亮框) === */
.product-description-pro .highlight-box {
    margin-top: 12px;
    padding: 14px 16px;
    background: var(--pd-primary-light);
    border-radius: var(--pd-radius);
    border-left: 3px solid var(--pd-primary);
}

.product-description-pro .highlight-box p {
    color: var(--pd-primary-dark);
    margin: 0;
}

/* === List Styles === */
.product-description-pro ul,
.product-description-pro ol {
    margin: 12px 0;
    padding-left: 20px;
}

.product-description-pro li {
    margin-bottom: 8px;
    font-size: 13px;
    color: var(--pd-text-secondary);
    line-height: 1.6;
}

.product-description-pro li:last-child {
    margin-bottom: 0;
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 1024px) {
    .product-description-pro .spec-overview {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .product-description-pro .key-features {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .product-description-pro {
        font-size: 14px;
    }
    
    .product-description-pro .desc-block {
        margin-bottom: 24px;
        padding-bottom: 20px;
    }
    
    .product-description-pro h3 {
        font-size: 14px;
        margin-bottom: 12px;
        padding-bottom: 8px;
    }
    
    /* Storage Grid - Stack on mobile */
    .product-description-pro .storage-info {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .product-description-pro .storage-item h4 {
        padding: 10px 12px;
        font-size: 12px;
    }
    
    .product-description-pro .storage-item ul {
        padding: 12px;
    }
    
    .product-description-pro .storage-item ul li {
        font-size: 12px;
        padding-left: 12px;
    }
    
    .product-description-pro .storage-item ul li::before {
        top: 0.55em;
    }
    
    /* ★★★ Info Tables - 响应式样式已移至 product-detail.css ★★★ */
    
    /* Spec Overview */
    .product-description-pro .spec-overview {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    .product-description-pro .spec-overview-item {
        padding: 12px 10px;
    }
    
    .product-description-pro .spec-overview-label {
        font-size: 10px;
    }
    
    .product-description-pro .spec-overview-value {
        font-size: 13px;
    }
    
    /* Disclaimer */
    .product-description-pro .disclaimer {
        padding: 12px 14px;
    }
    
    .product-description-pro .disclaimer p {
        font-size: 11px;
    }
    
    /* Applications */
    .product-description-pro .applications-list {
        padding: 10px 14px;
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .product-description-pro .spec-overview {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }
    
    /* 超小屏幕表格样式已移至 product-detail.css */
    
    .product-description-pro .key-features {
        gap: 8px;
    }
    
    .product-description-pro .key-feature {
        padding: 10px 12px;
    }
}

/* ============================================
   Tab Content Animation
   ============================================ */

.tab-content.active .description-content {
    animation: pdFadeIn 0.3s ease;
}

@keyframes pdFadeIn {
    from {
        opacity: 0;
        transform: translateY(6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   Print Styles
   ============================================ */

@media print {
    .product-description-pro {
        font-size: 12px;
        line-height: 1.5;
    }
    
    .product-description-pro .desc-block {
        page-break-inside: avoid;
    }
    
    .product-description-pro .storage-info {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ============================================
   Legacy Support / Backwards Compatibility
   支持旧版HTML结构
   ============================================ */

/* 支持不带.product-description-pro容器的旧内容 */
.description-content > section.desc-block {
    margin-bottom: 28px;
    padding-bottom: 24px;
    border-bottom: 1px solid #f3f4f6;
}

.description-content > section.desc-block:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

/* 
 * info-table Legacy样式已统一移至 product-detail.css
 * 此处仅保留容器外边距
 */
.description-content .info-table {
    margin-top: 14px;
}

/* ============================================
   Theme Color Variants (可选)
   通过添加类名来切换主题色
   ============================================ */

/* 绿色主题 - 适合生物/环保类产品 */
.product-description-pro.theme-green {
    --pd-primary: #059669;
    --pd-primary-light: #ecfdf5;
    --pd-primary-dark: #047857;
}

/* 紫色主题 - 适合高端/研究类产品 */
.product-description-pro.theme-purple {
    --pd-primary: #7c3aed;
    --pd-primary-light: #f5f3ff;
    --pd-primary-dark: #6d28d9;
}

/* 橙色主题 - 适合化学/警示类产品 */
.product-description-pro.theme-orange {
    --pd-primary: #ea580c;
    --pd-primary-light: #fff7ed;
    --pd-primary-dark: #c2410c;
}