/* index.html页面专用样式 */

/* 确保样式被加载的临时样式 */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: white;
    color: #333;
}

main {
    padding-top: 80px;
}

/* Hero区域 */
.hero-section {
    padding: 5rem 0 3rem;
    background: linear-gradient(135deg, #f8fafc, #e0f2fe);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: #1e293b;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #64748b;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.hero-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.feature-content {
    flex: 1;
}

.feature-item .feature-title {
    font-weight: 600;
    color: #1e293b;
    font-size: 1rem;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.feature-item .feature-desc {
    color: #64748b;
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.hero-visual {
    position: relative;
    padding: 2rem 0;
}

.product-showcase {
    position: relative;
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    border: 1px solid rgba(226, 232, 240, 0.5);
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 400px;
}

.product-image {
    width: 100%;
    height: auto;
    transition: opacity 0.5s ease;
}

/* 通用样式 */
.section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1e293b;
}

.section-subtitle {
    font-size: 1.25rem;
    color: #64748b;
    max-width: 700px;
    margin: 0 auto;
}

.highlight-section {
    background: #f8fafc;
}

/* 产品卡片 */
.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
}

.product-card {
    background: white;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.product-image-container {
    height: 200px;
    overflow: hidden;
    position: relative;
}

.product-image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.product-card:hover .product-image-container img {
    transform: scale(1.05);
}

.product-content {
    padding: 2rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.product-badge {
    display: inline-block;
    background: #eff6ff;
    color: #3b82f6;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    border-radius: 2rem;
    margin-bottom: 1rem;
    width: fit-content;
}

.product-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1e293b;
}

.product-description {
    color: #64748b;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.product-features {
    list-style: none;
    padding: 0;
    margin-bottom: 1.5rem;
}

.product-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    color: #475569;
}

.product-features li i {
    color: #22c55e;
    font-size: 0.875rem;
}

.product-action {
    margin-top: auto;
}

/* 核心机制 */
.mechanism-section {
    padding: 5rem 0;
}

.mechanism-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.mechanism-card {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    border: 1px solid #e2e8f0;
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    transition: all 0.3s ease;
}

.mechanism-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.mechanism-number {
    width: 3rem;
    height: 3rem;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    flex-shrink: 0;
}

.mechanism-number.primary {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
}

.mechanism-number.secondary {
    background: linear-gradient(135deg, #10b981, #059669);
}

.mechanism-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    background: linear-gradient(135deg, #dbeafe, #bfdbfe);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.15);
    transition: all 0.3s ease;
}

.mechanism-icon:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(59, 130, 246, 0.25);
}

.mechanism-icon i {
    font-size: 1.5rem;
    color: #3b82f6;
}

.mechanism-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #1e293b;
}

.mechanism-content p {
    color: #64748b;
    line-height: 1.6;
}

/* 为什么选择 */
.why-choose-section {
    padding: 5rem 0;
    background: #f8fafc;
}

.choose-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.choose-card {
    background: white;
    border-radius: 1rem;
    padding: 2.5rem 2rem;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
}

.choose-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.choose-icon {
    width: 4rem;
    height: 4rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 1.5rem;
    color: white;
}

.choose-icon.primary {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
}

.choose-icon.secondary {
    background: linear-gradient(135deg, #10b981, #059669);
}

.choose-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: #1e293b;
}

.choose-desc {
    color: #64748b;
    line-height: 1.6;
}

/* 合并后的核心功能样式 */
.unified-core-features {
    padding: 2rem 0;
}

.core-feature-section {
    margin-bottom: 4rem;
    padding-bottom: 4rem;
    border-bottom: 1px solid #e2e8f0;
}

.core-feature-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

/* 标签页样式 */
.core-feature-tabs {
    margin-bottom: 3rem;
}

.tabs-navigation {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid #e2e8f0;
    padding-bottom: 1rem;
}

.tab-button {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: transparent;
    border: none;
    border-radius: 0.5rem;
    font-weight: 500;
    color: #64748b;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tab-button:hover {
    background: #f1f5f9;
    color: #334155;
}

.tab-button.active {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.25);
}

.tab-button i {
    font-size: 1.125rem;
}

.tabs-content {
    position: relative;
}

.tab-content {
    display: none;
    animation: fadeIn 0.5s ease;
}

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

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

.section-intro {
    text-align: center;
    max-width: 900px;
    margin: 0 auto 3rem;
}

.core-title {
    font-size: 2rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

.core-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #3b82f6, #8b5cf6);
    border-radius: 2px;
}

.core-desc {
    font-size: 1.125rem;
    color: #475569;
    line-height: 1.7;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.feature-grid .feature-card {
    background: white;
    border-radius: 0.75rem;
    padding: 1.5rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.feature-grid .feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
}

.feature-grid .feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
}

.feature-grid .feature-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 0.75rem;
}

.feature-grid .feature-desc {
    color: #64748b;
    font-size: 0.875rem;
    line-height: 1.5;
}

.metrics-highlight {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.metric-item {
    text-align: center;
    padding: 1.5rem 1rem;
    background: linear-gradient(135deg, #f8fafc, #e2e8f0);
    border-radius: 0.75rem;
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}

.metric-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
}

.metric-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: #3b82f6;
    margin-bottom: 0.5rem;
}

.metric-label {
    color: #64748b;
    font-size: 0.875rem;
}

.core-value-box {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem;
    background: linear-gradient(135deg, #eff6ff, #dbeafe);
    border-radius: 1rem;
    border: 1px solid #bfdbfe;
}

.value-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 1rem;
    display: inline-block;
    position: relative;
}

.value-title::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 40px;
    height: 3px;
    background: #3b82f6;
    border-radius: 2px;
}

.value-desc {
    font-size: 1rem;
    color: #475569;
    line-height: 1.6;
}

.industry-showcase {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin: 2.5rem 0;
}

.industry-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.industry-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, #f8fafc, #e2e8f0);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.industry-item:hover .industry-icon {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.15);
}

.industry-name {
    font-weight: 600;
    color: #475569;
}

.growth-journey {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 2.5rem 0;
    padding: 0 2rem;
    gap: 2rem;
}

.growth-step {
    flex: 1;
    text-align: center;
    padding: 2rem 1rem;
    border-radius: 1rem;
    transition: all 0.3s ease;
    max-width: 220px;
}

.growth-step:hover {
    transform: translateY(-5px);
}

.growth-step:nth-child(1) {
    background: linear-gradient(135deg, #dbeafe, #bfdbfe);
    box-shadow: 0 10px 15px rgba(59, 130, 246, 0.1);
}

.growth-step:nth-child(3) {
    background: linear-gradient(135deg, #e9d5ff, #ddd6fe);
    box-shadow: 0 10px 15px rgba(139, 92, 246, 0.1);
}

.growth-step:nth-child(5) {
    background: linear-gradient(135deg, #d1fae5, #a7f3d0);
    box-shadow: 0 10px 15px rgba(16, 185, 129, 0.1);
}

.step-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.step-title {
    font-weight: 600;
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: #1e293b;
}

.step-value {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.growth-step:nth-child(1) .step-value {
    color: #3b82f6;
}

.growth-step:nth-child(3) .step-value {
    color: #8b5cf6;
}

.growth-step:nth-child(5) .step-value {
    color: #10b981;
}

.step-desc {
    font-size: 0.875rem;
    color: #64748b;
}

.growth-arrow {
    font-size: 2rem;
    color: #94a3b8;
    font-weight: bold;
}

/* 场景区域 */
.scenarios-section {
    padding: 5rem 0;
}

.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
}

.scenario-card {
    background: white;
    border-radius: 1rem;
    padding: 2.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}

.scenario-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.scenario-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #1e293b;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.scenario-emoji {
    font-size: 1.75rem;
}

.scenario-item {
    margin-bottom: 1rem;
    line-height: 1.6;
    color: #475569;
}

.scenario-note {
    background: #fffbeb;
    border-left: 4px solid #f59e0b;
    padding: 1rem;
    border-radius: 0.5rem;
    margin-top: 1.5rem;
    font-size: 0.875rem;
    color: #92400e;
}

/* 核心功能 */
.core-features {
    padding: 3rem 0;
    background: #f8fafc;
}

.core-features .features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.core-features .feature-card {
    background: white;
    border-radius: 1rem;
    padding: 2.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.core-features .feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.core-features .feature-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.core-features .feature-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: white;
    flex-shrink: 0;
}

.core-features .feature-icon.blue {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
}

.core-features .feature-icon.green {
    background: linear-gradient(135deg, #10b981, #059669);
}

.core-features .feature-icon.purple {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
}

.core-features .feature-icon.orange {
    background: linear-gradient(135deg, #f59e0b, #d97706);
}

.core-features .feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1e293b;
}

.feature-description {
    color: #64748b;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.feature-points {
    list-style: none;
    padding: 0;
    margin: 0;
}

.feature-points li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    color: #475569;
}

.feature-points li i {
    color: #22c55e;
    font-size: 0.875rem;
    margin-top: 0.25rem;
    flex-shrink: 0;
}

/* CTA区域 */
.cta-section {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white;
    padding: 5rem 3rem;
    text-align: center;
    border-radius: 1rem;
    margin: 5rem 0;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.cta-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.btn-white {
    background: white;
    color: #3b82f6;
}

.btn-white:hover {
    background: #f8fafc;
}

/* 统计数据 */
.stats-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, #f8fafc, #e2e8f0);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.stat-card {
    text-align: center;
    padding: 2rem 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #eff6ff, #dbeafe);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.15);
}

.stat-icon:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(59, 130, 246, 0.25);
}

.stat-icon i {
    font-size: 1.5rem;
    color: #3b82f6;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: #3b82f6;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.125rem;
    color: #64748b;
    max-width: 150px;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .metrics-highlight {
        grid-template-columns: repeat(2, 1fr);
    }
    .growth-journey {
        flex-direction: column;
        gap: 1rem;
    }
    .growth-arrow {
        transform: rotate(90deg);
    }
    
    .hero-grid, .products-grid, .mechanism-grid, .scenarios-grid, .core-features .features-grid {
        grid-template-columns: 1fr;
    }
    .choose-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .feature-grid {
        grid-template-columns: 1fr;
    }
    .metrics-highlight {
        grid-template-columns: 1fr;
    }
    .industry-showcase {
        flex-wrap: wrap;
        gap: 2rem;
    }
    .core-title {
        font-size: 1.75rem;
    }
    .core-desc {
        font-size: 1rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    .section-title {
        font-size: 2rem;
    }
    .choose-grid, .stats-grid {
        grid-template-columns: 1fr;
    }
    .hero-actions {
        flex-direction: column;
    }
    .cta-section {
        padding: 3rem 1.5rem;
    }
    .cta-title {
        font-size: 2rem;
    }
    .feature-item .feature-title, .feature-item .feature-desc {
        flex-direction: column;
        gap: 0.5rem;
    }
}