.bulk-dog-harnesses {
    line-height: 1.6;
    color: #333;
}

.bulk-dog-harnesses .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.bulk-dog-harnesses h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 20px;
    color: #2c3e50;
    line-height: 1.2;
}

.bulk-dog-harnesses h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: #8cbff3;
    line-height: 1.3;
}

.bulk-dog-harnesses h4 {
    font-size: 1.4rem;
    margin-bottom: 10px;
    color: #2c3e50;
    line-height: 1.3;
}

.bulk-dog-harnesses p:not(.shop-heading-title-desc) {
    margin-bottom: 15px;
    color: #666;
}

.bulk-dog-harnesses ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
}

.bulk-dog-harnesses li {
    margin-bottom: 8px;
}

.bulk-dog-harnesses canvas {
    max-width: 100%;
    height: auto;
}

/* =========================================
   动画相关
   ========================================= */
.bulk-dog-harnesses .reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.bulk-dog-harnesses .reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* =========================================
   布局通用类
   ========================================= */
.bulk-dog-harnesses .hero-b2b,
.bulk-dog-harnesses .large-breed-section,
.bulk-dog-harnesses .precision-fit-section,
.bulk-dog-harnesses .breed-guide,
.bulk-dog-harnesses .morphology-section,
.bulk-dog-harnesses .security-tech,
.bulk-dog-harnesses .comfort-section {
    padding: 60px 0;
    background: #fff;
    margin-bottom: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.bulk-dog-harnesses .hero-b2b {
    background: linear-gradient(to bottom, #ffffff, #f0f4f8);
}

/* =========================================
   B2B Tier & Process
   ========================================= */
.bulk-dog-harnesses .b2b-wholesale-tier,
.bulk-dog-harnesses .step-process,
.bulk-dog-harnesses .b2b-grid {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.bulk-dog-harnesses .tier-item,
.bulk-dog-harnesses .step-item,
.bulk-dog-harnesses .b2b-card {
    flex: 1;
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    border: 1px solid #eee;
    min-width: 250px;
    box-sizing: border-box;
}

.bulk-dog-harnesses .tier-price {
    display: block;
    font-size: 1.5rem;
    font-weight: bold;
    color: #e67e22;
}

.bulk-dog-harnesses .step-number {
    width: 40px;
    height: 40px;
    background: #2c3e50;
    color: #fff;
    border-radius: 50%;
    line-height: 40px;
    margin: 0 auto 15px;
    font-weight: bold;
}

/* =========================================
   Articles
   ========================================= */
.bulk-dog-harnesses .article-v1 {
    display: flex;
    gap: 20px;
    margin-top: 30px;
}

.bulk-dog-harnesses .article-v1-item {
    flex: 1;
    height: 200px;
    background: #ddd;
    display: flex;
    align-items: flex-end;
    padding: 20px;
    border-radius: 8px;
    color: #fff;
    text-shadow: 0 1px 3px rgba(0,0,0,0.5);
}

.bulk-dog-harnesses .article-overlay-1 { background-color: #3498db; }
.bulk-dog-harnesses .article-overlay-2 { background-color: #9b59b6; }

/* =========================================
   Large Breed Section
   ========================================= */
.bulk-dog-harnesses .breed-waterfall {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.bulk-dog-harnesses .waterfall-item {
    background: #f8f9fa;
    padding: 20px;
    border-left: 4px solid #2c3e50;
}

/* 表格响应式容器 */
.bulk-dog-harnesses .table-wrapper {
    width: 100%;
    overflow-x: auto;
    margin: 30px 0;
    -webkit-overflow-scrolling: touch; /* 平滑滚动 */
}

.bulk-dog-harnesses .stats-table,
.bulk-dog-harnesses .spec-matrix-table,
.bulk-dog-harnesses .comp-table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    min-width: 600px; /* 确保在小屏幕下有足够的宽度 */
}

.bulk-dog-harnesses .stats-table th,
.bulk-dog-harnesses .stats-table td,
.bulk-dog-harnesses .spec-matrix-table th,
.bulk-dog-harnesses .spec-matrix-table td,
.bulk-dog-harnesses .comp-table th,
.bulk-dog-harnesses .comp-table td {
    border: 1px solid #ddd;
    padding: 12px;
    text-align: left;
}

.bulk-dog-harnesses .stats-table th,
.bulk-dog-harnesses .spec-matrix-table th,
.bulk-dog-harnesses .comp-table th {
    background-color: #f2f2f2;
}

.bulk-dog-harnesses .size-comparison-grid {
    display: flex;
    justify-content: space-around;
    margin: 40px 0;
    text-align: center;
    gap: 20px;
}

.bulk-dog-harnesses .icon-placeholder {
    font-size: 3rem;
    display: block;
    margin-bottom: 10px;
}

.bulk-dog-harnesses .distribution-module {
    display: flex;
    gap: 40px;
    align-items: center;
    margin-top: 40px;
}

.bulk-dog-harnesses .small-breed-content { flex: 1; }

.bulk-dog-harnesses .canvas-container {
    flex: 1;
    text-align: center;
    border: 1px solid #eee;
    padding: 10px;
    border-radius: 8px;
    min-width: 0; /* 防止flex子项溢出 */
}

/* =========================================
   FAQ
   ========================================= */
.bulk-dog-harnesses .faq-accordion details {
    margin-bottom: 15px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 5px;
    cursor: pointer;
}

.bulk-dog-harnesses .faq-accordion details p { white-space: pre-line; }

.bulk-dog-harnesses .faq-accordion summary {
    font-weight: bold;
    outline: none;
    text-transform: capitalize;
}

/* =========================================
   Precision Fit / Small Breed
   ========================================= */
.bulk-dog-harnesses .feature-modules-grid {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
}

.bulk-dog-harnesses .p-module-card {
    flex: 1;
    padding: 20px;
    background: #fff;
    border: 1px solid #eee;
    border-radius: 8px;
    text-align: center;
}

.bulk-dog-harnesses .p-icon {
    font-size: 2.5rem;
    display: block;
    margin-bottom: 15px;
}

.bulk-dog-harnesses .color-swatch-container {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 10px;
    flex-wrap: wrap;
}

.bulk-dog-harnesses .swatch {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: inline-block;
}

.bulk-dog-harnesses .sw-coral { background: #ff7f50; }
.bulk-dog-harnesses .sw-mint { background: #98ff98; }
.bulk-dog-harnesses .sw-lavender { background: #e6e6fa; }
.bulk-dog-harnesses .sw-blue { background: #87ceeb; }

.bulk-dog-harnesses .breed-tag {
    display: inline-block;
    background: #eee;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
    margin: 2px;
}

/* =========================================
   Breed Guide
   ========================================= */
.bulk-dog-harnesses .breed-special-grid {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
}

.bulk-dog-harnesses .special-card {
    flex: 1;
    border: 1px solid #ddd;
    border-radius: 8px;
    overflow: hidden;
}

.bulk-dog-harnesses .tactical-header {
    background: #2c3e50;
    color: #fff;
    padding: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.bulk-dog-harnesses .outdoor-header {
    background: #27ae60;
    color: #fff;
    padding: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.bulk-dog-harnesses .tactical-body,
.bulk-dog-harnesses .outdoor-body {
    padding: 20px;
}

.bulk-dog-harnesses .velcro-patch-demo {
    background: #000;
    color: #fff;
    font-family: monospace;
    padding: 5px 15px;
    display: inline-block;
    margin: 10px 0;
    border: 2px dashed #444;
}

.bulk-dog-harnesses .material-badge {
    background: #e0f2f1;
    color: #00695c;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
    margin-right: 5px;
    display: inline-block;
    margin-bottom: 5px;
}

.bulk-dog-harnesses .feature-list-check li:before {
    content: "✓";
    color: green;
    margin-right: 8px;
}

.bulk-dog-harnesses .competitor-canvas-wrapper {
    text-align: center;
    margin-top: 40px;
    padding: 20px;
    background: #f9f9f9;
    border-radius: 8px;
}

.bulk-dog-harnesses .chart-legend {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 15px;
    flex-wrap: wrap;
}

.bulk-dog-harnesses .legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.bulk-dog-harnesses .legend-color {
    width: 15px;
    height: 15px;
}

.bulk-dog-harnesses .legend-primary { background: rgba(255, 90, 60, 0.8); }
.bulk-dog-harnesses .legend-secondary { background: #ccc; }

/* =========================================
   Morphology Section
   ========================================= */
.bulk-dog-harnesses .morph-grid {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.bulk-dog-harnesses .morph-card {
    flex: 1;
    border: 1px solid #eee;
    border-radius: 8px;
    overflow: hidden;
}

.bulk-dog-harnesses .morph-bulldog-header {
    background: #8e44ad;
    color: white;
    padding: 15px;
    display: flex;
    gap: 10px;
    align-items: center;
}

.bulk-dog-harnesses .morph-corgi-header {
    background: #d35400;
    color: white;
    padding: 15px;
    display: flex;
    gap: 10px;
    align-items: center;
}

.bulk-dog-harnesses .morph-icon {
    font-size: 2rem;
}

.bulk-dog-harnesses .morph-body {
    padding: 20px;
}

.bulk-dog-harnesses .anatomy-diagram {
    display: flex;
    justify-content: space-between;
    background: #f4f4f4;
    padding: 10px;
    border-radius: 6px;
    margin: 15px 0;
    gap: 5px;
}

.bulk-dog-harnesses .anatomy-point {
    text-align: center;
    font-size: 0.8rem;
    flex: 1;
}

.bulk-dog-harnesses .anatomy-point strong {
    display: block;
    color: #333;
}

.bulk-dog-harnesses .ps-item {
    margin-bottom: 15px;
    border-left: 3px solid #ccc;
    padding-left: 10px;
}

.bulk-dog-harnesses .bulldog-accent { border-color: #8e44ad; }
.bulk-dog-harnesses .corgi-accent { border-color: #d35400; }

.bulk-dog-harnesses .ps-title {
    display: block;
    font-weight: bold;
    margin-bottom: 3px;
}

.bulk-dog-harnesses .visibility-module {
    background: #222;
    color: #fff;
    padding: 20px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 20px;
}

.bulk-dog-harnesses .vis-text { flex: 1; }
.bulk-dog-harnesses .vis-text p { color: #ccc; }

.bulk-dog-harnesses .vis-spectrum {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.bulk-dog-harnesses .vis-label {
    padding: 5px 10px;
    border-radius: 4px;
    font-weight: bold;
    color: #000;
    text-align: center;
    white-space: nowrap;
}

.bulk-dog-harnesses .vis-label:nth-child(1) { background: #ff4500; }
.bulk-dog-harnesses .vis-label:nth-child(2) { background: #39ff14; }
.bulk-dog-harnesses .vis-label:nth-child(3) { background: #ffff00; }

/* =========================================
   Resources Styles
   ========================================= */
.bulk-dog-harnesses .resources-row {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    margin-top: 30px;
}

.bulk-dog-harnesses .resource-link-card {
    flex: 1;
    display: block;
    padding: 25px;
    background: #fff;
    border: 1px solid #eee;
    border-radius: 8px;
    text-decoration: none;
    color: #2c3e50;
    font-weight: bold;
    font-size: 1.1rem;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.bulk-dog-harnesses .resource-link-card:hover {
    background: #f0f4f8;
    transform: translateY(-3px);
    border-color: #3498db;
}

/* =========================================
   Security Section Styles
   ========================================= */
.bulk-dog-harnesses .security-tech {
    background-color: #fff;
}

.bulk-dog-harnesses .security-grid-advanced {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
    margin-top: 30px;
}

.bulk-dog-harnesses .sec-card {
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 20px;
    background: #fff;
    display: flex;
    flex-direction: column;
}

.bulk-dog-harnesses .sec-card h4 {
    margin-top: 0;
    border-bottom: 2px solid #f0f0f0;
    padding-bottom: 10px;
    margin-bottom: 15px;
    font-size: 1.2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 5px;
}

.bulk-dog-harnesses .tag-pill {
    font-size: 0.75rem;
    padding: 3px 8px;
    border-radius: 12px;
    text-transform: uppercase;
    font-weight: bold;
}

.bulk-dog-harnesses .core-feature { border-top: 4px solid #34495e; }
.bulk-dog-harnesses .tag-core { background: #e8eaeb; color: #34495e; }

.bulk-dog-harnesses .lock-demo-box {
    background: #f8f9fa;
    border: 1px dashed #bdc3c7;
    padding: 15px;
    text-align: center;
    margin-bottom: 10px;
    flex-grow: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.bulk-dog-harnesses .lock-icon {
    font-size: 2.5rem;
    margin-bottom: 5px;
}

.bulk-dog-harnesses .performance-compare {
    border-top: 4px solid #e74c3c;
    grid-column: span 2;
}

.bulk-dog-harnesses .comp-split-view {
    display: flex;
    height: 100%;
    gap: 0;
    border-radius: 6px;
    overflow: hidden;
}

.bulk-dog-harnesses .comp-side {
    flex: 1;
    padding: 15px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.bulk-dog-harnesses .comp-bad {
    background-color: #ffebee;
    color: #c62828;
    border-right: 1px solid #ffcdd2;
}

.bulk-dog-harnesses .comp-good {
    background-color: #e8f5e9;
    color: #2e7d32;
}

.bulk-dog-harnesses .comp-icon {
    font-size: 2rem;
    display: block;
    margin-bottom: 10px;
}

.bulk-dog-harnesses .comp-desc {
    font-size: 0.85rem;
    line-height: 1.3;
}

.bulk-dog-harnesses .martingale-tech { border-top: 4px solid #f39c12; }
.bulk-dog-harnesses .tag-tech { background: #fef5e7; color: #f39c12; }

.bulk-dog-harnesses .dynamic-logic-viz {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #fff8e1;
    padding: 15px;
    border-radius: 6px;
    margin-bottom: 10px;
}

.bulk-dog-harnesses .logic-step { text-align: center; width: 45%; }
.bulk-dog-harnesses .logic-arrow { font-size: 1.5rem; color: #f39c12; }

.bulk-dog-harnesses .state-icon {
    font-size: 1.8rem;
    display: block;
    margin-bottom: 5px;
}

.bulk-dog-harnesses .handle-usage { border-top: 4px solid #2980b9; }
.bulk-dog-harnesses .tag-use { background: #eaf2f8; color: #2980b9; }

.bulk-dog-harnesses .scenario-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    flex-grow: 1;
}

.bulk-dog-harnesses .scenario-item {
    background: #f4f6f7;
    padding: 10px;
    border-radius: 4px;
    text-align: center;
    font-size: 0.85rem;
}

.bulk-dog-harnesses .s-icon {
    display: block;
    font-size: 1.4rem;
    margin-bottom: 5px;
}

/* =========================================
   Comfort Section
   ========================================= */
.bulk-dog-harnesses .comfort-header {
    text-align: center;
    margin-bottom: 40px;
}

.bulk-dog-harnesses .material-vis-container {
    text-align: center;
    background: #f0f8ff;
    padding: 30px;
    border-radius: 8px;
    margin-bottom: 30px;
}

.bulk-dog-harnesses .material-vis-grid {
    display: flex;
    justify-content: space-around;
    margin-top: 20px;
    gap: 20px;
}

.bulk-dog-harnesses .mat-item {
    max-width: 200px;
    flex: 1;
}

.bulk-dog-harnesses .mat-icon {
    font-size: 2rem;
    display: block;
    margin-bottom: 10px;
    color: #3498db;
}

.bulk-dog-harnesses .comfort-sub-grid {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.bulk-dog-harnesses .comfort-card {
    flex: 1;
    padding: 25px;
    border-radius: 8px;
    color: #fff;
}

.bulk-dog-harnesses .puppy-card {
    background: linear-gradient(135deg, #a18cd1 0%, #fbc2eb 100%);
}

.bulk-dog-harnesses .relief-card {
    background: linear-gradient(135deg, #84fab0 0%, #8fd3f4 100%);
    color: #333;
}

.bulk-dog-harnesses .senior-feature {
    display: flex;
    align-items: center;
    gap: 30px;
    background: #fff3e0;
    padding: 30px;
    border-radius: 8px;
    margin-bottom: 30px;
    border: 1px solid #ffe0b2;
}

.bulk-dog-harnesses .senior-visual {
    font-size: 4rem;
}

.bulk-dog-harnesses .highlight-col {
    background-color: #e8f5e9;
    font-weight: bold;
    border: 2px solid #4CAF50 !important;
}

/* =========================================
   Utilities
   ========================================= */
.bulk-dog-harnesses .center-text { text-align: center; }
.bulk-dog-harnesses .mb-40 { margin-bottom: 40px; }

/* =========================================
   Final Grid
   ========================================= */
.bulk-dog-harnesses .faq-grid-header {
    text-align: center;
    margin-top: 40px;
}

.bulk-dog-harnesses .faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.bulk-dog-harnesses .faq-grid-item {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

/* =========================================
   Responsive Optimizations (Mobile)
   ========================================= */
@media (max-width: 768px) {
    .bulk-dog-harnesses h2 { font-size: 2rem; }

    /* 强制转换为单列布局的网格/Flex容器 */
    .bulk-dog-harnesses .security-grid-advanced,
    .bulk-dog-harnesses .morph-grid,
    .bulk-dog-harnesses .breed-special-grid,
    .bulk-dog-harnesses .feature-modules-grid,
    .bulk-dog-harnesses .b2b-grid,
    .bulk-dog-harnesses .resources-row,
    .bulk-dog-harnesses .b2b-wholesale-tier,
    .bulk-dog-harnesses .step-process,
    .bulk-dog-harnesses .article-v1,
    .bulk-dog-harnesses .distribution-module,
    .bulk-dog-harnesses .comfort-sub-grid,
    .bulk-dog-harnesses .senior-feature,
    .bulk-dog-harnesses .material-vis-grid,
    .bulk-dog-harnesses .size-comparison-grid {
        display: flex;
        flex-direction: column;
        grid-template-columns: 1fr;
    }

    /* 比较图表在手机端改为垂直排列 */
    .bulk-dog-harnesses .comp-split-view {
        flex-direction: column;
    }

    .bulk-dog-harnesses .comp-bad {
        border-right: none;
        border-bottom: 1px solid #ffcdd2;
    }

    .bulk-dog-harnesses .performance-compare {
        grid-column: auto;
    }

    /* 可视化模块调整 */
    .bulk-dog-harnesses .visibility-module {
        flex-direction: column;
        text-align: center;
    }

    .bulk-dog-harnesses .vis-spectrum {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }

    /* 文章卡片高度调整 */
    .bulk-dog-harnesses .article-v1-item {
        height: auto;
        min-height: 180px;
    }

    .bulk-dog-harnesses .mat-item {
        max-width: 100%;
    }
}