/* ========================================
   AI Solutions Page Styles
   ======================================== */

.ai-solutions-page {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    line-height: 1.7;
    color: #333;
    font-size: 26px;
}

/* 与首页一致的 Section 标题字号 */
.ai-solutions-page .section-title {
    font-size: 5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    color: #1a2332;
    line-height: 1.2;
}

.ai-solutions-page .section-subtitle {
    font-size: 2.5rem;
    text-align: center;
    color: #666;
    margin-bottom: 3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* === Hero Section === */
.ai-hero-section {
    position: relative;
    min-height: 70vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, rgba(26, 35, 50, 0.9) 0%, rgba(44, 62, 80, 0.85) 100%),
                url('/wp-content/uploads/2026/02/mtc-hero-ai-solutions.jpg') center/cover no-repeat;
    color: #fff;
    padding: 100px 0;
}

.ai-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(253, 184, 19, 0.1) 0%, transparent 50%);
}

.ai-hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.ai-hero-badge {
    display: inline-block;
    background: rgba(253, 184, 19, 0.2);
    color: #FDB813;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 2.4rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(253, 184, 19, 0.3);
}

.ai-hero-title {
    font-size: 5.2rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.ai-hero-subtitle {
    font-size: 2.6rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

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

/* === AI Offerings Section === */
.ai-offerings-section {
    padding: 100px 0;
    background: #f8f9fa;
}

.offerings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 3rem;
}

.offering-card {
    background: #fff;
    border-radius: 16px;
    padding: 40px 30px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    position: relative;
    border: 2px solid transparent;
}

.offering-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.15);
}

.offering-featured {
    border-color: #FDB813;
    background: linear-gradient(to bottom, #fffef8 0%, #fff 100%);
}

.offering-badge {
    position: absolute;
    top: -12px;
    right: 30px;
    background: #FDB813;
    color: #1a2332;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 2rem;
    font-weight: 700;
    text-transform: uppercase;
}

.offering-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.offering-card h3 {
    font-size: 2.6rem;
    margin-bottom: 0.5rem;
    color: #1a2332;
}

.offering-tagline {
    color: #666;
    font-size: 2.2rem;
    font-style: italic;
    margin-bottom: 1rem;
}

.offering-description {
    color: #555;
    margin-bottom: 1.5rem;
    line-height: 1.7;
    font-size: 2.1rem;
}

.offering-features {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 2rem;
}

.offering-features h4 {
    font-size: 2.2rem;
    text-transform: uppercase;
    color: #999;
    margin-bottom: 1rem;
    letter-spacing: 0.5px;
}

.offering-features ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.offering-features li {
    padding: 8px 0 8px 24px;
    position: relative;
    color: #333;
    font-size: 2.1rem;
}

.offering-features li:before {
    content: '→';
    position: absolute;
    left: 0;
    color: #FDB813;
    font-weight: bold;
}

.offering-cta {
    text-align: center;
}

/* === How It Works Section === */
.ai-how-it-works-section {
    padding: 100px 0;
    background: #fff;
}

.subtitle-accent {
    color: #FDB813;
    font-weight: 400;
    font-size: 2.5rem;
}

.implementation-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 4rem;
}

.timeline-step {
    text-align: center;
    opacity: 0;
    transform: translateY(30px);
}

.timeline-step.fade-in-up {
    opacity: 1;
    transform: translateY(0);
}

.step-number {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #1a2332 0%, #2c3e50 100%);
    color: #FDB813;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
    box-shadow: 0 4px 12px rgba(26, 35, 50, 0.3);
}

.step-content h3 {
    font-size: 2.4rem;
    margin-bottom: 0.5rem;
    color: #1a2332;
}

.step-duration {
    color: #FDB813;
    font-weight: 600;
    font-size: 2rem;
    margin-bottom: 1rem;
}

.step-content p {
    color: #666;
    line-height: 1.7;
    font-size: 2.1rem;
}

/* === Why MTC AI Section === */
.ai-why-mtc-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.why-ai-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 3rem;
}

.why-ai-card {
    background: #fff;
    border-radius: 12px;
    padding: 35px 30px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
}

.why-ai-card.fade-in-up {
    opacity: 1;
    transform: translateY(0);
}

.why-ai-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.12);
}

.why-ai-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.why-ai-card h3 {
    font-size: 2.4rem;
    margin-bottom: 0.75rem;
    color: #1a2332;
}

.why-ai-card p {
    color: #666;
    line-height: 1.7;
    font-size: 2.1rem;
}

/* === Use Cases Section === */
.ai-use-cases-section {
    padding: 100px 0;
    background: #fff;
}

.use-cases-department {
    margin-top: 3rem;
}

.department-block {
    margin-bottom: 4rem;
}

.department-title {
    font-size: 2.5rem;
    color: #1a2332;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 3px solid #FDB813;
}

.department-cases {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.case-item {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 25px 20px;
    border-left: 4px solid #FDB813;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
}

.case-item.fade-in-up {
    opacity: 1;
    transform: translateY(0);
}

.case-item:hover {
    background: #fff;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    transform: translateY(-3px);
}

.case-item h4 {
    font-size: 2.2rem;
    margin-bottom: 0.5rem;
    color: #1a2332;
}

.case-item p {
    color: #666;
    font-size: 2.1rem;
    line-height: 1.7;
}

/* === Pricing Section === */
.ai-pricing-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #1a2332 0%, #2c3e50 100%);
    color: #fff;
}

.ai-pricing-section .section-title {
    color: #fff;
}

.pricing-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.pricing-intro {
    font-size: 2rem;
    margin-bottom: 3rem;
    opacity: 0.9;
}

.pricing-principles {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 40px;
    margin-bottom: 3rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.principle-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 2rem;
    text-align: left;
    opacity: 0;
    transform: translateY(30px);
}

.principle-item.fade-in-up {
    opacity: 1;
    transform: translateY(0);
}

.principle-item:last-child {
    margin-bottom: 0;
}

.principle-icon {
    color: #FDB813;
    font-size: 2rem;
    font-weight: 700;
    flex-shrink: 0;
}

.principle-text h4 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: #fff;
}

.principle-text p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    font-size: 2.1rem;
}

.pricing-cta {
    margin-top: 3rem;
}

.pricing-cta-text {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.pricing-guarantee {
    margin-top: 1rem;
    font-size: 2rem;
    opacity: 0.7;
}

/* === Case Study Section === */
.ai-case-study-section {
    padding: 100px 0;
    background: #f8f9fa;
}

.case-study-featured {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 3rem;
    align-items: center;
}

.case-badge {
    display: inline-block;
    background: #FDB813;
    color: #1a2332;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.case-study-content h3 {
    font-size: 2.6rem;
    margin-bottom: 1rem;
    color: #1a2332;
}

.case-intro {
    font-size: 2.2rem;
    color: #666;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.case-results {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 2rem;
}

.result-stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: #FDB813;
    margin-bottom: 0.25rem;
}

.stat-label {
    display: block;
    font-size: 2rem;
    color: #666;
}

.case-study-image {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}

.case-placeholder {
    aspect-ratio: 16/10;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #e9ecef 0%, #f8f9fa 100%);
    color: #999;
    font-size: 2rem;
    text-align: center;
    padding: 40px;
}

/* === Final CTA Section === */
.ai-final-cta-section {
    padding: 100px 0;
    background: #fff;
}

.final-cta-box {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
    padding: 60px 40px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 16px;
}

.final-cta-box h2 {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1a2332;
}

.final-cta-box > p {
    font-size: 2.2rem;
    color: #666;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.cta-subtext {
    margin-top: 1rem;
    font-size: 2rem;
    color: #999;
}

/* === Responsive Design === */
@media (max-width: 768px) {
    .ai-solutions-page .section-title {
        font-size: 3.2rem;
    }
    .ai-solutions-page .section-subtitle {
        font-size: 2.2rem;
    }
    .ai-hero-title {
        font-size: 3.2rem;
    }
    
    .ai-hero-subtitle {
        font-size: 2.2rem;
    }
    
    .offerings-grid {
        grid-template-columns: 1fr;
    }
    
    .implementation-timeline {
        grid-template-columns: 1fr;
    }
    
    .why-ai-grid {
        grid-template-columns: 1fr;
    }
    
    .department-cases {
        grid-template-columns: 1fr;
    }
    
    .case-study-featured {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .case-results {
        grid-template-columns: 1fr;
    }
}

/* === FAQ Section === */
.faq-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.faq-section .section-title {
    text-align: center;
    margin-bottom: 40px;
    color: #1a2332;
}

.faq-item {
    background: #fff;
    border-radius: 8px;
    padding: 20px 30px;
    margin-bottom: 15px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.faq-item h3 {
    font-size: 2.2rem;
    color: #1a2332;
    margin: 0 0 12px 0;
    cursor: pointer;
    font-weight: 600;
}

.faq-item h3:hover {
    color: #FDB813;
}

.faq-item p {
    padding: 0;
    margin: 0;
    color: #555;
    line-height: 1.7;
    font-size: 2.1rem;
}

/* === Animations === */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
}