/* Use Cases页面专用样式 */

/* 页面英雄区块 */
.page-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
    color: white;
}

@keyframes heroGradient {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.page-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="20" cy="20" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="80" cy="80" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    pointer-events: none;
}

.page-hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.page-hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-emoji {
    display: inline-block;
    font-size: 4rem;
    margin-right: 15px;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.page-subtitle {
    font-size: 1.3rem;
    margin-bottom: 40px;
    color: rgba(255, 255, 255, 0.9);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin: 50px 0 40px;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    padding: 20px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: white;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.scroll-indicator {
    margin-top: 40px;
    text-align: center;
    color: rgba(255, 255, 255, 0.8);
}

.scroll-arrow {
    font-size: 1.5rem;
    margin-top: 10px;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

/* 应用场景概述区块 */
.use-cases-overview {
    padding: 80px 0;
    background: #f8fafc;
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.use-case-card {
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid #e2e8f0;
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.use-case-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.1), transparent);
    transition: left 0.5s ease;
}

.use-case-card:hover::before {
    left: 100%;
}

.use-case-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
    border-color: var(--primary-color);
}

.use-case-icon {
    font-size: 3.5rem;
    margin-bottom: 25px;
    display: block;
    text-align: center;
}

.use-case-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-primary);
    text-align: center;
}

.use-case-description {
    color: var(--text-secondary);
    margin-bottom: 25px;
    line-height: 1.6;
    text-align: center;
}

.use-case-features {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 25px;
    justify-content: center;
}

.feature-tag {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.use-case-metrics {
    display: flex;
    justify-content: space-around;
    gap: 20px;
    padding-top: 20px;
    border-top: 1px solid #e2e8f0;
}

.metric {
    text-align: center;
}

.metric-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.metric-label {
    font-size: 0.85rem;
    color: var(--text-light);
}

/* 技术优势对比区块 */
.tech-comparison {
    padding: 80px 0;
    background: #f8fafc;
}

.comparison-table {
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    margin-top: 50px;
}

.comparison-header {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
}

.header-item {
    padding: 25px 20px;
    text-align: center;
    font-weight: 700;
    font-size: 1.1rem;
}

.header-item.empty {
    background: rgba(255, 255, 255, 0.1);
}

.header-item.our-solution {
    background: linear-gradient(135deg, var(--success-color), #2f855a);
    position: relative;
}



.comparison-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    border-bottom: 1px solid #e2e8f0;
}

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

.row-label {
    padding: 25px 20px;
    background: #f7fafc;
    font-weight: 600;
    display: flex;
    align-items: center;
    border-right: 1px solid #e2e8f0;
}

.cell {
    padding: 25px 20px;
    text-align: center;
    border-right: 1px solid #e2e8f0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    transition: var(--transition);
}

.cell:last-child {
    border-right: none;
}

.cell.traditional {
    background: #fff5f5;
    color: #e53e3e;
}

.cell.competitor {
    background: #fffaf0;
    color: #dd6b20;
}

.cell.our-solution {
    background: #f0fff4;
    color: var(--success-color);
    font-weight: 600;
}

.cell.best {
    position: relative;
    background: linear-gradient(135deg, #f0fff4, #e6fffa);
}

.cell.best::before {
    content: '✓';
    position: absolute;
    top: 10px;
    right: 10px;
    background: var(--success-color);
    color: white;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: bold;
}

.cell small {
    margin-top: 5px;
    opacity: 0.8;
    font-size: 0.85rem;
}

.comparison-row:hover .cell {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

/* 常见问题区块 */
.faq-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    position: relative;
}

.faq-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="rgba(102,126,234,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>');
    pointer-events: none;
}

.faq-container {
    max-width: 900px;
    margin: 50px auto 0;
    position: relative;
    z-index: 2;
}

.faq-item {
    background: white;
    border-radius: 16px;
    margin-bottom: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(102, 126, 234, 0.1);
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
    border-color: var(--primary-color);
}

.faq-item[open] {
    border-color: var(--primary-color);
    box-shadow: 0 8px 30px rgba(102, 126, 234, 0.15);
}

.faq-question {
    padding: 25px 30px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    list-style: none;
    position: relative;
    transition: var(--transition);
    background: linear-gradient(135deg, #fff 0%, #f8fafc 100%);
}

.faq-question::-webkit-details-marker {
    display: none;
}

.faq-question:hover {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    color: var(--primary-color);
}

.question-icon {
    font-size: 1.3rem;
    flex-shrink: 0;
}

.question-text {
    flex: 1;
    line-height: 1.4;
}

.expand-icon {
    flex-shrink: 0;
    transition: transform 0.3s ease;
    color: var(--primary-color);
}

.faq-item[open] .expand-icon {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 30px 30px;
    color: var(--text-secondary);
    line-height: 1.7;
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.faq-answer p {
    margin-bottom: 15px;
}

.faq-answer h4 {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 12px;
    font-size: 1rem;
}

.answer-highlights {
    list-style: none;
    padding: 0;
    margin: 20px 0;
    background: linear-gradient(135deg, #f0fff4 0%, #e6fffa 100%);
    border-radius: 12px;
    padding: 20px;
    border-left: 4px solid var(--success-color);
}

.answer-highlights li {
    margin-bottom: 8px;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.answer-note {
    background: linear-gradient(135deg, #fff8e1 0%, #f3e5f5 100%);
    padding: 15px 20px;
    border-radius: 10px;
    font-style: italic;
    color: var(--text-primary);
    border-left: 3px solid #ff9800;
    margin-top: 20px;
}

.answer-highlight {
    background: linear-gradient(135deg, #e3f2fd 0%, #f3e5f5 100%);
    padding: 15px 20px;
    border-radius: 10px;
    color: var(--text-primary);
    border-left: 3px solid var(--primary-color);
    margin-top: 15px;
}

/* 行业对比 */
.industry-comparison {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin: 20px 0;
}

.industry-item {
    background: white;
    padding: 20px;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    text-align: center;
    transition: var(--transition);
}

.industry-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-color);
}

.industry-item h4 {
    margin-bottom: 10px;
    color: var(--primary-color);
    font-size: 1rem;
}

.industry-item p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0;
}

/* 成本对比 */
.cost-comparison-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin: 25px 0;
}

.cost-item {
    background: white;
    padding: 25px;
    border-radius: 16px;
    text-align: center;
    position: relative;
    border: 2px solid #e2e8f0;
    transition: var(--transition);
}

.cost-item.traditional {
    border-color: #fecaca;
    background: linear-gradient(135deg, #fef2f2 0%, #fff5f5 100%);
}

.cost-item.ai-solution {
    border-color: var(--success-color);
    background: linear-gradient(135deg, #f0fff4 0%, #e6fffa 100%);
    transform: scale(1.05);
}

.cost-item h4 {
    margin-bottom: 20px;
    color: var(--text-primary);
    font-size: 1.1rem;
}

.cost-details {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.cost-amount {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary-color);
}

.cost-time {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.cost-desc {
    font-size: 0.9rem;
    color: var(--text-light);
}

.savings-badge {
    position: absolute;
    top: -10px;
    right: -10px;
    background: var(--success-color);
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(72, 187, 120, 0.3);
}

.roi-stats {
    display: flex;
    justify-content: space-around;
    gap: 20px;
    margin-top: 25px;
    padding: 20px;
    background: linear-gradient(135deg, #e3f2fd 0%, #f3e5f5 100%);
    border-radius: 12px;
    flex-wrap: wrap;
}

.roi-item {
    text-align: center;
}

.roi-number {
    display: block;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.roi-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* 实施步骤 */
.implementation-steps {
    margin: 20px 0;
}

.step-item {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    padding: 20px;
    background: white;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    transition: var(--transition);
}

.step-item:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    border-color: var(--primary-color);
}

.step-number {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.step-content h4 {
    margin-bottom: 8px;
    color: var(--text-primary);
}

.step-content p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.preparation-checklist {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: 20px;
    border-radius: 12px;
    margin-top: 20px;
}

.preparation-checklist h4 {
    margin-bottom: 15px;
    color: var(--text-primary);
}

.preparation-checklist ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.preparation-checklist li {
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* 支持服务 */
.support-services {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.service-category {
    background: white;
    padding: 25px;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    transition: var(--transition);
}

.service-category:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-color);
}

.service-category h4 {
    margin-bottom: 15px;
    color: var(--primary-color);
    font-size: 1.1rem;
}

.service-category ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.service-category li {
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    position: relative;
    padding-left: 15px;
}

.service-category li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: 600;
}

.satisfaction-guarantee {
    background: linear-gradient(135deg, #f0fff4 0%, #e6fffa 100%);
    padding: 20px;
    border-radius: 12px;
    margin-top: 20px;
    text-align: center;
    border: 2px solid var(--success-color);
}

.guarantee-text {
    margin: 0;
    color: var(--text-primary);
    font-size: 1rem;
}

/* 成功案例 */
.success-cases {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.case-item {
    background: white;
    padding: 25px;
    border-radius: 16px;
    border: 1px solid #e2e8f0;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.case-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.1), transparent);
    transition: left 0.5s ease;
}

.case-item:hover::before {
    left: 100%;
}

.case-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    border-color: var(--primary-color);
}

.case-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.case-header h4 {
    margin: 0;
    color: var(--text-primary);
    font-size: 1rem;
}

.case-tag {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
}

.case-results {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.result-metric {
    background: #f8fafc;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    border-left: 3px solid var(--success-color);
}

.case-cta {
    background: linear-gradient(135deg, #e3f2fd 0%, #f3e5f5 100%);
    padding: 20px;
    border-radius: 12px;
    margin-top: 25px;
    text-align: center;
}

.case-cta p {
    margin-bottom: 10px;
    color: var(--text-primary);
    font-weight: 500;
}

.case-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.case-link:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* FAQ底部 */
.faq-footer {
    margin-top: 50px;
    text-align: center;
}

.faq-contact {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(102, 126, 234, 0.1);
}

.faq-contact h3 {
    font-size: 1.8rem;
    color: var(--text-primary);
    margin-bottom: 10px;
    font-weight: 700;
}

.faq-contact p {
    color: var(--text-secondary);
    margin-bottom: 30px;
    font-size: 1.1rem;
}

.contact-options {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.contact-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    font-size: 1rem;
}

.contact-btn.primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.contact-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

.contact-btn.secondary {
    background: white;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.contact-btn.secondary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.btn-icon {
    font-size: 1.1rem;
}

/* 场景痛点和应用方案区块 */
.pain-solution-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
    position: relative;
}

.pain-solution-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="50" height="50" patternUnits="userSpaceOnUse"><path d="M 50 0 L 0 0 0 50" fill="none" stroke="rgba(102,126,234,0.05)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    pointer-events: none;
}

.pain-solution-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    margin-top: 50px;
    position: relative;
    z-index: 2;
}

.pain-solution-card {
    background: white;
    border-radius: 24px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(102, 126, 234, 0.1);
    overflow: hidden;
    transition: var(--transition);
    position: relative;
}

.pain-solution-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-dark), #ff6b6b, #4ecdc4);
    background-size: 200% 100%;
    animation: gradientShift 3s ease-in-out infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.pain-solution-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.12);
    border-color: var(--primary-color);
}

.card-header {
    padding: 30px 30px 20px;
    text-align: center;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border-bottom: 1px solid #e2e8f0;
}

.scene-icon {
    font-size: 3.5rem;
    margin-bottom: 15px;
    display: block;
}

.scene-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.scene-subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin: 0;
}

.pain-solution-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
}

.pain-section {
    padding: 30px;
    background: linear-gradient(135deg, #fff5f5 0%, #fef2f2 100%);
    border-right: 1px solid #fecaca;
}

.solution-section {
    padding: 30px;
    background: linear-gradient(135deg, #f0fff4 0%, #e6fffa 100%);
}

.section-label {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    font-size: 1.1rem;
    font-weight: 700;
}

.pain-label {
    color: #dc2626;
}

.solution-label {
    color: var(--success-color);
}

.label-icon {
    font-size: 1.2rem;
}

.pain-list,
.solution-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.pain-item,
.solution-item {
    display: flex;
    gap: 15px;
    padding: 15px;
    background: white;
    border-radius: 12px;
    border: 1px solid transparent;
    transition: var(--transition);
}

.pain-item {
    border-color: #fecaca;
}

.solution-item {
    border-color: #bbf7d0;
}

.pain-item:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 15px rgba(220, 38, 38, 0.1);
    border-color: #dc2626;
}

.solution-item:hover {
    transform: translateX(-5px);
    box-shadow: 0 4px 15px rgba(72, 187, 120, 0.1);
    border-color: var(--success-color);
}

.pain-icon,
.solution-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.pain-icon {
    background: linear-gradient(135deg, #fecaca, #fca5a5);
}

.solution-icon {
    background: linear-gradient(135deg, #bbf7d0, #86efac);
}

.pain-content h5,
.solution-content h5 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--text-primary);
}

.pain-content p,
.solution-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
    line-height: 1.5;
}

.solution-metrics {
    margin-top: 8px;
}

.metric-tag {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.metric-tag.success {
    background: var(--success-color);
    color: white;
}

.metric-tag.primary {
    background: var(--primary-color);
    color: white;
}

.metric-tag.info {
    background: #3182ce;
    color: white;
}

.metric-tag.warning {
    background: #d69e2e;
    color: white;
}

.card-footer {
    padding: 25px 30px;
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    border-top: 1px solid #e2e8f0;
}

.impact-summary {
    display: flex;
    justify-content: space-around;
    gap: 20px;
}

.impact-item {
    text-align: center;
    padding: 15px;
    background: white;
    border-radius: 12px;
    border: 1px solid #cbd5e0;
    transition: var(--transition);
    flex: 1;
}

.impact-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-color);
}

.impact-number {
    display: block;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.impact-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* CTA区块 */
.pain-solution-cta {
    margin-top: 60px;
    text-align: center;
    position: relative;
    z-index: 2;
}

.cta-content {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(102, 126, 234, 0.1);
    max-width: 800px;
    margin: 0 auto;
}

.cta-content h3 {
    font-size: 1.8rem;
    color: var(--text-primary);
    margin-bottom: 15px;
    font-weight: 700;
}

.cta-content p {
    color: var(--text-secondary);
    margin-bottom: 30px;
    font-size: 1.1rem;
    line-height: 1.6;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    font-size: 1rem;
}

.cta-btn.primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.cta-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

.cta-btn.secondary {
    background: white;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.cta-btn.secondary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.btn-icon {
    font-size: 1.1rem;
}

/* 预约演示区块 */
.demo-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.demo-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="stars" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="2" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23stars)"/></svg>');
    pointer-events: none;
}

.demo-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: white;
}

.demo-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 20px;
}

.demo-header p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
    line-height: 1.6;
}

.demo-cta-section {
    margin-top: 30px;
}

.demo-primary-button {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    background: white;
    color: var(--primary-color);
    padding: 18px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.demo-primary-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.1), transparent);
    transition: left 0.5s ease;
}

.demo-primary-button:hover::before {
    left: 100%;
}

.demo-primary-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.button-icon {
    font-size: 1.2rem;
}

.button-badge {
    background: var(--success-color);
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
}

.demo-button-tip {
    margin-top: 15px;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .use-cases-grid {
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
        gap: 25px;
    }
    
    .use-case-card {
        padding: 30px;
    }
    
    .page-hero h1 {
        font-size: 2.8rem;
    }
    
    .hero-stats {
        gap: 40px;
    }
    
    /* FAQ响应式 - 中等屏幕 */
    .faq-section {
        padding: 60px 0;
    }
    
    .faq-container {
        margin-top: 40px;
    }
    
    .faq-question {
        padding: 20px 25px;
        font-size: 1rem;
    }
    
    .faq-answer {
        padding: 0 25px 25px;
    }
    
    .industry-comparison {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        gap: 12px;
    }
    
    .cost-comparison-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .cost-item.ai-solution {
        order: -1;
        transform: none;
    }
    
    .support-services {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    }
    
    .success-cases {
        grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    }
    
    /* 痛点解决方案响应式 - 中等屏幕 */
    .pain-solution-section {
        padding: 60px 0;
    }
    
    .pain-solution-grid {
        gap: 30px;
        margin-top: 40px;
    }
    
    .card-header {
        padding: 25px 25px 18px;
    }
    
    .scene-icon {
        font-size: 3rem;
        margin-bottom: 12px;
    }
    
    .scene-title {
        font-size: 1.3rem;
    }
    
    .pain-section,
    .solution-section {
        padding: 25px;
    }
    
    .pain-item,
    .solution-item {
        padding: 12px;
        gap: 12px;
    }
    
    .impact-summary {
        gap: 15px;
    }
    
    .impact-item {
        padding: 12px;
    }
    
    .impact-number {
        font-size: 1.5rem;
    }
    
    .cta-content {
        padding: 30px;
    }
    
    .cta-content h3 {
        font-size: 1.5rem;
    }
}

@media (max-width: 768px) {
    .page-hero {
        padding: 100px 0 60px;
    }
    
    .page-hero h1 {
        font-size: 2.2rem;
    }
    
    .hero-emoji {
        font-size: 3rem;
    }
    
    .page-subtitle {
        font-size: 1.1rem;
        margin-bottom: 30px;
    }
    
    .hero-stats {
        gap: 30px;
        margin: 40px 0 30px;
    }
    
    .stat-item {
        padding: 15px 20px;
        min-width: 120px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .hero-buttons {
        gap: 15px;
        margin-bottom: 40px;
    }
    
    .use-cases-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-top: 40px;
    }
    
    .use-case-card {
        padding: 25px;
    }
    
    .use-case-icon {
        font-size: 3rem;
        margin-bottom: 20px;
    }
    
    .use-case-title {
        font-size: 1.2rem;
    }
    
    .use-case-metrics {
        flex-direction: column;
        gap: 15px;
    }
    
    /* 技术对比表格响应式 */
    .comparison-table {
        margin-top: 30px;
    }
    
    .comparison-header,
    .comparison-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .header-item,
    .row-label,
    .cell {
        padding: 15px;
        border-right: none;
        border-bottom: 1px solid #e2e8f0;
    }
    
    .header-item.our-solution::after {
        top: 5px;
        right: 5px;
        font-size: 0.6rem;
        padding: 2px 6px;
    }
    
    .row-label {
        background: var(--primary-color);
        color: white;
        font-weight: 700;
        text-align: center;
    }
    
    .demo-header h2 {
        font-size: 2rem;
    }
    
    .demo-header p {
        font-size: 1rem;
    }
    
    .demo-primary-button {
        padding: 15px 30px;
        font-size: 1rem;
    }
    
    /* FAQ响应式 - 平板和手机 */
    .faq-section {
        padding: 50px 0;
    }
    
    .faq-container {
        margin-top: 30px;
    }
    
    .faq-question {
        padding: 18px 20px;
        font-size: 0.95rem;
        gap: 12px;
    }
    
    .question-icon {
        font-size: 1.1rem;
    }
    
    .faq-answer {
        padding: 0 20px 20px;
        font-size: 0.9rem;
    }
    
    .industry-comparison {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .industry-item {
        padding: 15px;
        text-align: left;
    }
    
    .cost-comparison-grid {
        gap: 15px;
    }
    
    .cost-item {
        padding: 20px;
    }
    
    .cost-amount {
        font-size: 1.5rem;
    }
    
    .roi-stats {
        flex-direction: column;
        gap: 15px;
        padding: 15px;
    }
    
    .roi-item {
        padding: 10px;
        background: white;
        border-radius: 8px;
    }
    
    .step-item {
        flex-direction: column;
        gap: 15px;
        padding: 15px;
        text-align: center;
    }
    
    .step-number {
        width: 35px;
        height: 35px;
        align-self: center;
    }
    
    .support-services {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .service-category {
        padding: 20px;
    }
    
    .success-cases {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .case-item {
        padding: 20px;
    }
    
    .case-header {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }
    
    .faq-contact {
        padding: 30px 20px;
    }
    
    .faq-contact h3 {
        font-size: 1.5rem;
    }
    
    .faq-contact p {
        font-size: 1rem;
    }
    
    .contact-options {
        flex-direction: column;
        gap: 15px;
    }
    
    .contact-btn {
        padding: 12px 25px;
        justify-content: center;
    }
    
    /* 痛点解决方案响应式 - 平板和手机 */
    .pain-solution-section {
        padding: 50px 0;
    }
    
    .pain-solution-grid {
        gap: 25px;
        margin-top: 30px;
    }
    
    .pain-solution-content {
        grid-template-columns: 1fr;
    }
    
    .pain-section {
        border-right: none;
        border-bottom: 1px solid #fecaca;
    }
    
    .card-header {
        padding: 20px 20px 15px;
    }
    
    .scene-icon {
        font-size: 2.5rem;
        margin-bottom: 10px;
    }
    
    .scene-title {
        font-size: 1.2rem;
        margin-bottom: 6px;
    }
    
    .scene-subtitle {
        font-size: 0.9rem;
    }
    
    .pain-section,
    .solution-section {
        padding: 20px;
    }
    
    .section-label {
        font-size: 1rem;
        margin-bottom: 15px;
    }
    
    .pain-item,
    .solution-item {
        padding: 10px;
        gap: 10px;
        flex-direction: column;
        text-align: center;
    }
    
    .pain-icon,
    .solution-icon {
        align-self: center;
        width: 35px;
        height: 35px;
        font-size: 1.3rem;
    }
    
    .pain-content h5,
    .solution-content h5 {
        font-size: 0.95rem;
    }
    
    .pain-content p,
    .solution-content p {
        font-size: 0.85rem;
    }
    
    .card-footer {
        padding: 20px;
    }
    
    .impact-summary {
        flex-direction: column;
        gap: 12px;
    }
    
    .impact-item {
        padding: 10px;
    }
    
    .impact-number {
        font-size: 1.3rem;
    }
    
    .impact-label {
        font-size: 0.8rem;
    }
    
    .pain-solution-cta {
        margin-top: 40px;
    }
    
    .cta-content {
        padding: 25px 20px;
    }
    
    .cta-content h3 {
        font-size: 1.3rem;
        margin-bottom: 12px;
    }
    
    .cta-content p {
        font-size: 1rem;
        margin-bottom: 25px;
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .cta-btn {
        padding: 12px 25px;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .page-hero {
        padding: 80px 0 50px;
    }
    
    .page-hero h1 {
        font-size: 1.8rem;
    }
    
    .hero-emoji {
        font-size: 2.5rem;
        margin-right: 10px;
    }
    
    .page-subtitle {
        font-size: 1rem;
        padding: 0 10px;
    }
    
    .hero-stats {
        gap: 20px;
        margin: 30px 0 25px;
    }
    
    .stat-item {
        padding: 12px 15px;
        min-width: 100px;
    }
    
    .stat-number {
        font-size: 1.6rem;
    }
    
    .stat-label {
        font-size: 0.8rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }
    
    .btn-primary {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
    
    .use-case-card {
        padding: 20px;
    }
    
    .use-case-icon {
        font-size: 2.5rem;
        margin-bottom: 15px;
    }
    
    .use-case-title {
        font-size: 1.1rem;
        margin-bottom: 12px;
    }
    
    .feature-tag {
        font-size: 0.75rem;
        padding: 5px 12px;
    }
    
    .metric-number {
        font-size: 1.2rem;
    }
    
    .metric-label {
        font-size: 0.8rem;
    }
    
    .demo-section {
        padding: 60px 0;
    }
    
    .demo-header h2 {
        font-size: 1.6rem;
        margin-bottom: 15px;
    }
    
    .demo-header p {
        font-size: 0.95rem;
        margin-bottom: 30px;
    }
    
    .demo-primary-button {
        padding: 12px 25px;
        font-size: 0.95rem;
        gap: 10px;
    }
    
    .button-icon {
        font-size: 1rem;
    }
    
    .button-badge {
        padding: 3px 10px;
        font-size: 0.75rem;
    }
    
    /* 技术对比表格移动端优化 */
    .comparison-table {
        margin-top: 25px;
        border-radius: 15px;
    }
    
    .header-item,
    .row-label,
    .cell {
        padding: 12px;
        font-size: 0.9rem;
    }
    
    .header-item.our-solution::after {
        display: none;
    }
    
    .cell small {
        font-size: 0.75rem;
        margin-top: 3px;
    }
    
    .cell.best::before {
        width: 16px;
        height: 16px;
        font-size: 0.7rem;
        top: 8px;
        right: 8px;
    }
    
    /* FAQ响应式 - 小屏手机 */
    .faq-section {
        padding: 40px 0;
    }
    
    .faq-container {
        margin-top: 25px;
    }
    
    .faq-question {
        padding: 15px 18px;
        font-size: 0.9rem;
        gap: 10px;
    }
    
    .question-icon {
        font-size: 1rem;
    }
    
    .question-text {
        line-height: 1.3;
    }
    
    .expand-icon svg {
        width: 16px;
        height: 16px;
    }
    
    .faq-answer {
        padding: 0 18px 18px;
        font-size: 0.85rem;
        line-height: 1.6;
    }
    
    .answer-highlights {
        padding: 15px;
        margin: 15px 0;
    }
    
    .answer-highlights li {
        font-size: 0.85rem;
        margin-bottom: 6px;
    }
    
    .answer-note,
    .answer-highlight {
        padding: 12px 15px;
        margin-top: 12px;
        font-size: 0.85rem;
    }
    
    .industry-item {
        padding: 12px;
    }
    
    .industry-item h4 {
        font-size: 0.9rem;
        margin-bottom: 8px;
    }
    
    .industry-item p {
        font-size: 0.8rem;
    }
    
    .cost-item {
        padding: 18px;
    }
    
    .cost-item h4 {
        font-size: 1rem;
        margin-bottom: 15px;
    }
    
    .cost-amount {
        font-size: 1.3rem;
    }
    
    .cost-time {
        font-size: 0.9rem;
    }
    
    .cost-desc {
        font-size: 0.8rem;
    }
    
    .savings-badge {
        font-size: 0.7rem;
        padding: 4px 8px;
        top: -8px;
        right: -8px;
    }
    
    .roi-item {
        padding: 8px;
    }
    
    .roi-number {
        font-size: 1.2rem;
    }
    
    .roi-label {
        font-size: 0.8rem;
    }
    
    .step-item {
        padding: 12px;
        gap: 12px;
    }
    
    .step-number {
        width: 30px;
        height: 30px;
        font-size: 0.9rem;
    }
    
    .step-content h4 {
        font-size: 0.95rem;
        margin-bottom: 6px;
    }
    
    .step-content p {
        font-size: 0.85rem;
    }
    
    .preparation-checklist {
        padding: 15px;
    }
    
    .preparation-checklist h4 {
        font-size: 0.95rem;
        margin-bottom: 12px;
    }
    
    .preparation-checklist li {
        font-size: 0.85rem;
        margin-bottom: 6px;
    }
    
    .service-category {
        padding: 15px;
    }
    
    .service-category h4 {
        font-size: 1rem;
        margin-bottom: 12px;
    }
    
    .service-category li {
        font-size: 0.85rem;
        margin-bottom: 6px;
    }
    
    .satisfaction-guarantee {
        padding: 15px;
    }
    
    .guarantee-text {
        font-size: 0.9rem;
    }
    
    .case-item {
        padding: 15px;
    }
    
    .case-header h4 {
        font-size: 0.9rem;
    }
    
    .case-tag {
        font-size: 0.7rem;
        padding: 3px 8px;
    }
    
    .result-metric {
        font-size: 0.8rem;
        padding: 6px 10px;
    }
    
    .case-cta {
        padding: 15px;
        margin-top: 20px;
    }
    
    .case-cta p {
        font-size: 0.9rem;
        margin-bottom: 8px;
    }
    
    .case-link {
        font-size: 0.9rem;
    }
    
    .faq-contact {
        padding: 25px 15px;
    }
    
    .faq-contact h3 {
        font-size: 1.3rem;
        margin-bottom: 8px;
    }
    
    .faq-contact p {
        font-size: 0.9rem;
        margin-bottom: 25px;
    }
    
    .contact-btn {
        padding: 10px 20px;
        font-size: 0.9rem;
        gap: 8px;
    }
    
    .btn-icon {
        font-size: 1rem;
    }
    
    /* 痛点解决方案响应式 - 小屏手机 */
    .pain-solution-section {
        padding: 40px 0;
    }
    
    .pain-solution-grid {
        gap: 20px;
        margin-top: 25px;
    }
    
    .pain-solution-card {
        border-radius: 16px;
    }
    
    .card-header {
        padding: 18px 15px 12px;
    }
    
    .scene-icon {
        font-size: 2rem;
        margin-bottom: 8px;
    }
    
    .scene-title {
        font-size: 1.1rem;
        margin-bottom: 5px;
    }
    
    .scene-subtitle {
        font-size: 0.85rem;
    }
    
    .pain-section,
    .solution-section {
        padding: 15px;
    }
    
    .section-label {
        font-size: 0.95rem;
        margin-bottom: 12px;
        gap: 8px;
    }
    
    .label-icon {
        font-size: 1rem;
    }
    
    .pain-list,
    .solution-list {
        gap: 10px;
    }
    
    .pain-item,
    .solution-item {
        padding: 8px;
        gap: 8px;
        border-radius: 8px;
    }
    
    .pain-icon,
    .solution-icon {
        width: 30px;
        height: 30px;
        font-size: 1.1rem;
    }
    
    .pain-content h5,
    .solution-content h5 {
        font-size: 0.9rem;
        margin-bottom: 3px;
    }
    
    .pain-content p,
    .solution-content p {
        font-size: 0.8rem;
        margin-bottom: 5px;
    }
    
    .metric-tag {
        font-size: 0.7rem;
        padding: 3px 8px;
    }
    
    .card-footer {
        padding: 15px;
    }
    
    .impact-item {
        padding: 8px;
    }
    
    .impact-number {
        font-size: 1.1rem;
        margin-bottom: 3px;
    }
    
    .impact-label {
        font-size: 0.75rem;
    }
    
    .pain-solution-cta {
        margin-top: 30px;
    }
    
    .cta-content {
        padding: 20px 15px;
        border-radius: 15px;
    }
    
    .cta-content h3 {
        font-size: 1.2rem;
        margin-bottom: 10px;
    }
    
    .cta-content p {
        font-size: 0.9rem;
        margin-bottom: 20px;
    }
    
    .cta-buttons {
        gap: 12px;
    }
    
    .cta-btn {
        padding: 10px 20px;
        font-size: 0.9rem;
        gap: 8px;
    }
}

/* 行业应用数据展示区块 */
.industry-data-showcase {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 50%, #f1f5f9 100%);
    position: relative;
    overflow: hidden;
}

.industry-data-showcase::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="data-grid" width="50" height="50" patternUnits="userSpaceOnUse"><path d="M 50 0 L 0 0 0 50" fill="none" stroke="rgba(102, 126, 234, 0.05)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23data-grid)"/></svg>');
    pointer-events: none;
}

.data-showcase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 35px;
    margin-top: 60px;
    position: relative;
    z-index: 2;
}

.data-card {
    background: white;
    border-radius: 24px;
    padding: 35px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(226, 232, 240, 0.8);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.data-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.data-card:hover::before {
    transform: scaleX(1);
}

.data-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.12);
    border-color: var(--primary-color);
}

.data-card-header {
    margin-bottom: 30px;
}

.industry-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.badge-icon {
    font-size: 1.1rem;
}

.data-card-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.3;
}

.data-metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 20px;
    margin-bottom: 25px;
}

.metric-item {
    text-align: center;
    padding: 20px 15px;
    border-radius: 16px;
    background: #f8fafc;
    border: 2px solid transparent;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.metric-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.6s ease;
}

.metric-item:hover::before {
    left: 100%;
}

.metric-item.primary {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(102, 126, 234, 0.05));
    border-color: rgba(102, 126, 234, 0.2);
}

.metric-item.success {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.1), rgba(34, 197, 94, 0.05));
    border-color: rgba(34, 197, 94, 0.2);
}

.metric-item.info {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(59, 130, 246, 0.05));
    border-color: rgba(59, 130, 246, 0.2);
}

.metric-item.warning {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1), rgba(245, 158, 11, 0.05));
    border-color: rgba(245, 158, 11, 0.2);
}

.metric-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.metric-value {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 2px;
    margin-bottom: 8px;
}

.metric-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
}

.metric-unit {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.metric-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 10px;
}

.metric-progress {
    width: 100%;
    height: 4px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 2px;
    overflow: hidden;
    position: relative;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
    width: var(--progress, 0%);
    animation: progressFill 2s ease-out 0.5s both;
}

@keyframes progressFill {
    from {
        width: 0%;
    }
    to {
        width: var(--progress, 0%);
    }
}

.data-insight {
    margin-top: 20px;
    padding: 15px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05), rgba(118, 75, 162, 0.05));
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
}

.insight-text {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.insight-icon {
    font-size: 1rem;
    flex-shrink: 0;
    margin-top: 2px;
}

/* 综合数据总览 */
.data-overview {
    margin-top: 80px;
    padding: 50px;
    background: white;
    border-radius: 24px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(226, 232, 240, 0.6);
    position: relative;
    overflow: hidden;
}

.data-overview::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.02), rgba(118, 75, 162, 0.02));
    pointer-events: none;
}

.overview-header {
    text-align: center;
    margin-bottom: 40px;
    position: relative;
    z-index: 2;
}

.overview-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 15px;
}

.overview-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.6;
}

.overview-stats {
    margin-bottom: 50px;
    position: relative;
    z-index: 2;
}

.stat-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.stat-item.large {
    text-align: center;
    padding: 30px 20px;
    background: linear-gradient(135deg, #f8fafc, #ffffff);
    border-radius: 20px;
    border: 2px solid rgba(226, 232, 240, 0.5);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.stat-item.large::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05), rgba(118, 75, 162, 0.05));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.stat-item.large:hover::before {
    opacity: 1;
}

.stat-item.large:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-color);
}

.stat-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
    display: block;
}

.stat-content {
    position: relative;
    z-index: 2;
}

.stat-number {
    font-size: 3rem;
    font-weight: 900;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 5px;
    display: inline-block;
}

.stat-suffix {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-left: 2px;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 600;
    margin-top: 8px;
}

.overview-trends {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    position: relative;
    z-index: 2;
}

.trend-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 25px;
    background: linear-gradient(135deg, #f8fafc, #ffffff);
    border-radius: 16px;
    border: 1px solid rgba(226, 232, 240, 0.8);
    transition: all 0.3s ease;
}

.trend-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    border-color: rgba(102, 126, 234, 0.3);
}

.trend-icon {
    font-size: 1.8rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-fill-color: transparent;
    flex-shrink: 0;
}

.trend-content {
    flex: 1;
}

.trend-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.trend-description {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0;
}

/* 行业对比分析 */
.industry-comparison {
    margin-top: 80px;
    padding: 50px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 24px;
    color: white;
    position: relative;
    overflow: hidden;
}

.industry-comparison::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="comparison-pattern" width="40" height="40" patternUnits="userSpaceOnUse"><circle cx="20" cy="20" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23comparison-pattern)"/></svg>');
    pointer-events: none;
}

.comparison-header {
    text-align: center;
    margin-bottom: 40px;
    position: relative;
    z-index: 2;
}

.comparison-title {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 15px;
}

.comparison-subtitle {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
    line-height: 1.6;
}

.comparison-chart {
    display: flex;
    gap: 30px;
    align-items: stretch;
    position: relative;
    z-index: 2;
}

.chart-industries {
    display: flex;
    flex-direction: column;
    gap: 15px;
    min-width: 120px;
}

.industry-label {
    padding: 12px 15px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    text-align: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.chart-metrics {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.metric-category {
    background: rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: 12px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.category-label {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 15px;
    text-align: center;
}

.metric-bars {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.metric-bar {
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    padding: 0 15px;
}

.metric-bar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: var(--value, 0%);
    background: var(--color, #667eea);
    border-radius: 20px;
    transition: width 1.5s ease-out 0.3s;
    opacity: 0.8;
}

.bar-value {
    position: relative;
    z-index: 2;
    font-size: 0.9rem;
    font-weight: 700;
    color: white;
    margin-left: auto;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .industry-data-showcase {
        padding: 80px 0;
    }
    
    .data-showcase-grid {
        grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
        gap: 25px;
    }
    
    .data-card {
        padding: 30px;
    }
    
    .data-metrics-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
        gap: 15px;
    }
    
    .metric-item {
        padding: 15px 10px;
    }
    
    .metric-number {
        font-size: 1.8rem;
    }
    
    .data-overview {
        padding: 40px;
        margin-top: 60px;
    }
    
    .overview-title {
        font-size: 1.8rem;
    }
    
    .stat-group {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 20px;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .overview-trends {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .industry-comparison {
        padding: 40px;
        margin-top: 60px;
    }
    
    .comparison-chart {
        flex-direction: column;
        gap: 20px;
    }
    
    .chart-industries {
        flex-direction: row;
        flex-wrap: wrap;
        min-width: unset;
    }
    
    .industry-label {
        min-width: 100px;
        flex: 1;
    }
}

@media (max-width: 768px) {
    .industry-data-showcase {
        padding: 60px 0;
    }
    
    .data-showcase-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .data-card {
        padding: 25px;
    }
    
    .data-card-title {
        font-size: 1.2rem;
    }
    
    .data-metrics-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
    
    .metric-number {
        font-size: 1.5rem;
    }
    
    .metric-label {
        font-size: 0.8rem;
    }
    
    .data-overview {
        padding: 30px 20px;
        margin-top: 50px;
    }
    
    .overview-title {
        font-size: 1.6rem;
    }
    
    .overview-subtitle {
        font-size: 1rem;
    }
    
    .stat-group {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .stat-item.large {
        padding: 20px 15px;
    }
    
    .stat-icon {
        font-size: 2rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .stat-suffix {
        font-size: 1.2rem;
    }
    
    .trend-item {
        padding: 20px;
        gap: 12px;
    }
    
    .trend-icon {
        font-size: 1.5rem;
    }
    
    .trend-title {
        font-size: 1rem;
    }
    
    .trend-description {
        font-size: 0.9rem;
    }
    
    .industry-comparison {
        padding: 30px 20px;
        margin-top: 50px;
    }
    
    .comparison-title {
        font-size: 1.6rem;
    }
    
    .comparison-subtitle {
        font-size: 1rem;
    }
    
    .chart-industries {
        gap: 8px;
    }
    
    .industry-label {
        padding: 8px 10px;
        font-size: 0.8rem;
        min-width: 80px;
    }
    
    .metric-category {
        padding: 15px;
    }
    
    .metric-bar {
        height: 35px;
        padding: 0 12px;
    }
    
    .bar-value {
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .industry-data-showcase {
        padding: 50px 0;
    }
    
    .data-card {
        padding: 20px;
    }
    
    .industry-badge {
        padding: 6px 12px;
        font-size: 0.8rem;
    }
    
    .data-card-title {
        font-size: 1.1rem;
    }
    
    .data-metrics-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .metric-item {
        padding: 12px;
    }
    
    .metric-number {
        font-size: 1.4rem;
    }
    
    .insight-text {
        font-size: 0.85rem;
    }
    
    .data-overview {
        padding: 25px 15px;
        margin-top: 40px;
    }
    
    .overview-title {
        font-size: 1.4rem;
    }
    
    .overview-subtitle {
        font-size: 0.95rem;
    }
    
    .stat-group {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .stat-item.large {
        padding: 18px;
    }
    
    .stat-number {
        font-size: 1.8rem;
    }
    
    .stat-suffix {
        font-size: 1rem;
    }
    
    .stat-label {
        font-size: 0.9rem;
    }
    
    .overview-trends {
        gap: 15px;
    }
    
    .trend-item {
        padding: 18px;
        gap: 10px;
    }
    
    .trend-title {
        font-size: 0.95rem;
    }
    
    .trend-description {
        font-size: 0.85rem;
    }
    
    .industry-comparison {
        padding: 25px 15px;
        margin-top: 40px;
    }
    
    .comparison-title {
        font-size: 1.4rem;
    }
    
    .comparison-subtitle {
        font-size: 0.95rem;
    }
    
    .chart-industries {
        gap: 6px;
    }
    
    .industry-label {
        padding: 6px 8px;
        font-size: 0.75rem;
        min-width: 70px;
    }
    
    .metric-category {
        padding: 12px;
    }
    
    .category-label {
        font-size: 0.9rem;
        margin-bottom: 10px;
    }
    
    .metric-bar {
        height: 30px;
        padding: 0 10px;
    }
    
    .bar-value {
        font-size: 0.75rem;
    }
}