/* 通用章节样式 */
.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(0,102,255,0.1);
    color: var(--primary);
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 16px;
}

.section-header h1.main-title {
    font-size: 3rem;
    margin-bottom: 32px;
    color: var(--text);
    font-weight: 700;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
    color: var(--text);
}

.section-header p {
    color: var(--text-light);
    font-size: 1.1rem;
    max-width: 650px;
    margin: 0 auto;
}

.ai-native-aspects {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-top: 32px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.aspect-section {
    margin-bottom: 32px;
}

.aspect-section h3 {
    font-size: 1.5rem;
    margin-bottom: 24px;
    color: var(--text);
    font-weight: 600;
    line-height: 1.5;
    text-align: center;
}

.aspect-section p {
    color: var(--text-light);
    font-size: 1.1rem;
    line-height: 1.6;
    margin: 0;
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.process-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 32px;
}

.process-card {
    background: white;
    padding: 24px;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}

.process-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
}

.process-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

.process-icon i {
    font-size: 1.8rem;
    color: white;
}

.process-card h4 {
    font-size: 1.2rem;
    margin-bottom: 12px;
    color: var(--text);
    font-weight: 600;
}

.process-card p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

/* 特性部分 */
.features-section {
    padding-top: 60px;
    padding-bottom: 60px;
    background: white;
    border-bottom: 1px solid var(--border-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

/* 合作伙伴 */
.partners-section {
    padding-top: 60px;
    padding-bottom: 60px;
    background: white;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
    align-items: stretch;
}

.partner-card {
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.25s ease;
}

.partner-card img {
    max-width: 140px;
    max-height: 56px;
    object-fit: contain;
    filter: saturate(1.05);
}

.partner-card:hover {
    opacity: 0.8;
}

.feature-card {
    background: var(--bg-light);
    padding: 40px;
    border-radius: 16px;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.1);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.feature-icon i {
    font-size: 1.8rem;
    color: white;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.feature-card ul {
    list-style: none;
}

.feature-card ul li {
    margin-bottom: 12px;
    padding-left: 24px;
    position: relative;
}

.feature-card ul li:before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--primary);
}

/* 解决方案部分 */
.solutions-section {
    padding-top: 60px;
    padding-bottom: 60px;
    background: var(--bg-light);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.solution-card {
    background: white;
    padding: 40px;
    border-radius: 16px;
    transition: all 0.3s ease;
}

.solution-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.1);
}

.solution-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.solution-icon i {
    font-size: 1.8rem;
    color: white;
}

.solution-content h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.solution-content ul {
    list-style: none;
    margin-bottom: 24px;
}

.solution-content ul li {
    margin-bottom: 12px;
    padding-left: 24px;
    position: relative;
}

.solution-content ul li:before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--primary);
}

.learn-more {
    color: var(--primary);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
    transition: gap 0.3s ease;
}

.learn-more:hover {
    gap: 12px;
}

/* 全流程闭环部分 */
.workflow-closed-loop-section {
    padding-top: 60px;
    padding-bottom: 60px;
    background: linear-gradient(135deg, #F8FAFF 0%, #E8F0FF 100%);
}

.closed-loop-container {
    position: relative;
    margin-bottom: 60px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.closed-loop-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
    position: relative;
    width: 100%;
}

.flow-step {
    background: white;
    padding: 40px 30px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    min-width: 200px;
    flex: 1;
    max-width: 250px;
}

.flow-step:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.12);
}

.flow-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
}

.flow-icon i {
    font-size: 2rem;
    color: white;
}

.flow-step h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
    color: var(--text);
}

.flow-step p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

.flow-arrow {
    font-size: 2rem;
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 60px;
}

.flow-arrow i {
    animation: pulse 2s ease-in-out infinite;
}

.flow-arrow-return {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-top: 30px;
    position: relative;
    width: 100%;
    background: white;
    padding: 16px 32px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.06);
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
}

.flow-arrow-return i {
    font-size: 1.5rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.flow-arrow-return .loop-label {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text);
    white-space: nowrap;
}

.closed-loop-benefits {
    display: flex;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 12px;
    background: white;
    padding: 16px 32px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}

.benefit-item i {
    font-size: 1.5rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.benefit-item span {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text);
}

@keyframes pulse {
    0%, 100% { 
        transform: scale(1);
        opacity: 1;
    }
    50% { 
        transform: scale(1.1);
        opacity: 0.8;
    }
}

/* 工作流程部分 */
.workflow-section {
    padding-bottom: 60px;
    background: white;
}

.workflow-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    position: relative;
}

.workflow-step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--gradient);
    border-radius: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    margin: 0 auto 24px;
}

.step-content h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.step-content p {
    color: var(--text-light);
    margin-bottom: 24px;
}

.step-content img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 12px 30px rgba(0,0,0,0.1);
}

/* 价格方案部分 */
.pricing-section {
    padding: 120px 0;
    background: var(--bg-light);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 60px;
}

.pricing-card {
    background: white;
    border-radius: 16px;
    padding: 40px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
}

.pricing-card.featured {
    border: 2px solid var(--primary);
    transform: scale(1.05);
}

.pricing-tag {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    padding: 4px 16px;
    border-radius: 12px;
    font-size: 0.9rem;
}

.pricing-header {
    margin-bottom: 32px;
}

.pricing-header h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.price {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
}

.price span {
    font-size: 1rem;
    opacity: 0.7;
}

.pricing-header p {
    color: var(--text-light);
    font-size: 0.9rem;
}

.pricing-features {
    list-style: none;
    margin: 32px 0;
    text-align: left;
}

.pricing-features li {
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.pricing-features i {
    color: #4CAF50;
    font-size: 1.1rem;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .features-grid,
    .solutions-grid,
    .workflow-steps {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }

    .pricing-card.featured {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    .section-header {
        margin-bottom: 40px;
    }
    
    .section-header h1.main-title {
        font-size: 2rem;
        margin-bottom: 24px;
    }
    
    .section-header h2 {
        font-size: 1.75rem;
        margin-bottom: 12px;
    }
    
    .section-header p {
        font-size: 1rem;
        padding: 0 16px;
    }
    
    .ai-native-aspects {
        gap: 20px;
        margin-top: 24px;
        padding: 0 16px;
    }
    
    .aspect-section {
        margin-bottom: 24px;
    }
    
    .aspect-section h3 {
        font-size: 1.2rem;
        margin-bottom: 16px;
    }
    
    .aspect-section p {
        font-size: 0.95rem;
    }
    
    .process-cards {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-top: 24px;
    }
    
    .process-card {
        padding: 20px;
    }
    
    .process-icon {
        width: 56px;
        height: 56px;
    }
    
    .process-icon i {
        font-size: 1.5rem;
    }
    
    .process-card h4 {
        font-size: 1.1rem;
    }
    
    .process-card p {
        font-size: 0.9rem;
    }

    .features-grid,
    .solutions-grid,
    .workflow-steps {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .feature-card,
    .solution-card {
        padding: 24px;
    }

    .pricing-card.featured {
        grid-column: auto;
        transform: none;
    }

    .workflow-step {
        padding: 0 20px;
    }

    .features-section,
    .solutions-section,
    .workflow-section,
    .pricing-section,
    .workflow-closed-loop-section {
        padding: 40px 0;
    }

    .closed-loop-flow {
        flex-direction: column;
        gap: 24px;
    }

    .flow-arrow {
        transform: rotate(90deg);
        min-width: 40px;
    }

    .flow-arrow-return {
        /* margin-top: 0; */
        padding: 12px 24px;
    }

    .flow-arrow-return i {
        transform: rotate(90deg);
    }

    .flow-step {
        max-width: 100%;
        width: 100%;
        padding: 24px 20px;
    }

    .flow-icon {
        width: 64px;
        height: 64px;
    }

    .flow-icon i {
        font-size: 1.5rem;
    }

    .flow-step h3 {
        font-size: 1.3rem;
    }

    .flow-step p {
        font-size: 0.9rem;
    }

    .closed-loop-benefits {
        flex-direction: column;
        gap: 16px;
        align-items: center;
        padding: 0 16px;
    }

    .benefit-item {
        width: 100%;
        max-width: 100%;
        padding: 12px 20px;
    }

    .benefit-item i {
        font-size: 1.3rem;
    }

    .benefit-item span {
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .section-header h1.main-title {
        font-size: 1.75rem;
    }
    
    .section-header h2 {
        font-size: 1.5rem;
    }
    
    .section-header p {
        font-size: 0.95rem;
    }
    
    .aspect-section h3 {
        font-size: 1.1rem;
    }
    
    .aspect-section p {
        font-size: 0.9rem;
    }
    
    .process-card {
        padding: 16px;
    }
    
    .process-icon {
        width: 48px;
        height: 48px;
    }
    
    .process-icon i {
        font-size: 1.3rem;
    }
    
    .feature-card,
    .solution-card {
        padding: 20px;
    }
    
    .feature-icon,
    .solution-icon {
        width: 56px;
        height: 56px;
    }
    
    .feature-icon i,
    .solution-icon i {
        font-size: 1.5rem;
    }
    
    .feature-card h3,
    .solution-content h3 {
        font-size: 1.3rem;
    }
    
    .flow-step {
        padding: 20px 16px;
    }
    
    .flow-icon {
        width: 56px;
        height: 56px;
    }
    
    .flow-step h3 {
        font-size: 1.2rem;
    }
}