/* 客户案例页面专属样式 */

:root {
    --primary-color: #00a6fb;
    --primary-dark: #0082c8;
    --primary-light: #33b8fc;
    --primary-lighter: #e6f5ff;
    --text-primary: #1a1c3d;
    --text-secondary: #666;
    --text-light: #999;
    --border-light: #e8e8e8;
    --success-color: #52c41a;
    --warning-color: #faad14;
    --gradient-primary: linear-gradient(135deg, #00a6fb 0%, #0082c8 100%);
}

/* Hero Section */
.cases-hero {
    padding: 120px 0 80px;
    background: var(--gradient-primary);
    color: white;
    position: relative;
    overflow: hidden;
}

.cases-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.cases-hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.hero-content h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease forwards;
}

.hero-content p {
    font-size: 20px;
    opacity: 0.95;
    margin-bottom: 32px;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease 0.2s forwards;
}

.trust-indicators {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease 0.4s forwards;
}

.trust-indicators span {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 24px;
    backdrop-filter: blur(10px);
}

.trust-indicators i {
    font-size: 18px;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: var(--primary-lighter);
    border-radius: 24px;
    margin-bottom: 24px;
}

.section-badge i {
    color: var(--primary-color);
    font-size: 16px;
}

.section-badge span {
    color: var(--primary-color);
    font-size: 14px;
    font-weight: 600;
}

.section-header h2 {
    font-size: 36px;
    color: var(--text-primary);
    margin-bottom: 16px;
    font-weight: 600;
}

.section-header p {
    font-size: 18px;
    color: var(--text-secondary);
}

/* Strategic Partnerships Section */
.strategic-partnerships {
    padding: 80px 0;
    background: #f8f9fa;
}

/* Case Study Featured Card */
.case-study-featured {
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    margin-bottom: 40px;
    overflow: hidden;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.case-study-featured.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.case-study-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 32px 40px;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border-bottom: 1px solid var(--border-light);
}

.client-info {
    display: flex;
    align-items: center;
    gap: 24px;
}

.client-logo {
    width: 80px;
    height: 80px;
    object-fit: contain;
    padding: 12px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.client-details h3 {
    font-size: 24px;
    color: var(--text-primary);
    margin-bottom: 8px;
    font-weight: 600;
}

.client-industry {
    color: var(--text-secondary);
    font-size: 14px;
}

.partnership-badge {
    padding: 8px 20px;
    background: var(--gradient-primary);
    border-radius: 24px;
}

.partnership-badge span {
    color: white;
    font-size: 14px;
    font-weight: 600;
}

.case-study-content {
    padding: 40px;
}

/* Challenge and Solution Section */
.challenge-solution {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 48px;
}

.challenge, .solution {
    padding: 24px;
    background: #f8f9fa;
    border-radius: 12px;
}

.challenge h4, .solution h4 {
    font-size: 18px;
    color: var(--text-primary);
    margin-bottom: 20px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.challenge h4 i {
    color: #ff4d4f;
}

.solution h4 i {
    color: var(--success-color);
}

.challenge ul, .solution ul {
    list-style: none;
    padding: 0;
}

.challenge li, .solution li {
    padding: 8px 0;
    color: var(--text-secondary);
    line-height: 1.6;
    position: relative;
    padding-left: 24px;
}

.challenge li::before, .solution li::before {
    content: '•';
    position: absolute;
    left: 8px;
    color: var(--primary-color);
    font-weight: bold;
}

/* Results Section */
.results-section h4 {
    font-size: 20px;
    color: var(--text-primary);
    margin-bottom: 32px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.results-section h4 i {
    color: var(--primary-color);
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.metric-card {
    text-align: center;
    padding: 24px;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border-radius: 12px;
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
    opacity: 0;
    transform: scale(0.9);
}

.metric-card.animate-in {
    opacity: 1;
    transform: scale(1);
    animation: fadeIn 0.6s ease;
}

.metric-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 166, 251, 0.15);
    border-color: var(--primary-light);
}

.metric-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-lighter);
    border-radius: 12px;
}

.metric-icon i {
    font-size: 24px;
    color: var(--primary-color);
}

.metric-value {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.metric-label {
    font-size: 16px;
    color: var(--text-primary);
    margin-bottom: 8px;
    font-weight: 600;
}

.metric-detail {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* Testimonial Section */
.testimonial-section {
    margin-top: 48px;
    padding: 32px;
    background: linear-gradient(135deg, var(--primary-lighter) 0%, rgba(0, 166, 251, 0.05) 100%);
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
}

.client-testimonial {
    margin: 0;
}

.client-testimonial p {
    font-size: 18px;
    line-height: 1.8;
    color: var(--text-primary);
    font-style: italic;
    margin-bottom: 16px;
}

.client-testimonial footer {
    text-align: right;
}

.client-testimonial cite {
    font-size: 14px;
    color: var(--text-secondary);
    font-style: normal;
    font-weight: 600;
}

/* Service Highlight Section */
.service-highlight {
    margin-top: 48px;
    padding: 24px;
    background: #f8f9fa;
    border-radius: 12px;
}

.service-highlight h4 {
    font-size: 20px;
    color: var(--text-primary);
    margin-bottom: 16px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.service-highlight h4 i {
    color: var(--warning-color);
}

.highlight-content p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-secondary);
}

/* Implementation Timeline */
.implementation-timeline {
    margin-top: 48px;
}

.implementation-timeline h4 {
    font-size: 20px;
    color: var(--text-primary);
    margin-bottom: 32px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.implementation-timeline h4 i {
    color: var(--primary-color);
}

.timeline-horizontal {
    display: flex;
    justify-content: space-between;
    position: relative;
    padding: 40px 0;
}

.timeline-horizontal::before {
    content: '';
    position: absolute;
    top: 60px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: var(--border-light);
}

.timeline-item {
    flex: 1;
    text-align: center;
    position: relative;
    opacity: 0;
    transform: translateY(20px);
}

.timeline-item.animate-in {
    opacity: 1;
    transform: translateY(0);
    animation: fadeIn 0.6s ease;
}

.timeline-marker {
    width: 40px;
    height: 40px;
    background: white;
    border: 3px solid var(--primary-color);
    border-radius: 50%;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: var(--primary-color);
    position: relative;
    z-index: 2;
}

.timeline-item.active .timeline-marker {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 0 0 8px rgba(0, 166, 251, 0.2);
}

.timeline-content h5 {
    font-size: 16px;
    color: var(--text-primary);
    margin-bottom: 8px;
    font-weight: 600;
}

.timeline-content p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.timeline-date {
    font-size: 12px;
    color: var(--text-light);
    display: inline-block;
    padding: 4px 12px;
    background: var(--primary-lighter);
    border-radius: 12px;
}

/* Why Choose Us Section */
.why-choose-us {
    padding: 80px 0;
    background: white;
}

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

.advantage-card {
    padding: 32px;
    background: white;
    border-radius: 12px;
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(20px);
}

.advantage-card.animate-in {
    opacity: 1;
    transform: translateY(0);
    animation: fadeIn 0.6s ease;
}

.advantage-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-light);
}

.advantage-icon {
    width: 56px;
    height: 56px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 12px;
}

.advantage-icon i {
    font-size: 28px;
    color: white;
}

.advantage-card h3 {
    font-size: 20px;
    color: var(--text-primary);
    margin-bottom: 12px;
    font-weight: 600;
}

.advantage-card p {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-secondary);
}

/* Technology Excellence Section */
.technology-excellence {
    padding: 80px 0;
    background: #f8f9fa;
}

.tech-showcase {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.tech-card {
    background: white;
    border-radius: 12px;
    padding: 32px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    opacity: 0;
    transform: scale(0.95);
}

.tech-card.animate-in {
    opacity: 1;
    transform: scale(1);
    animation: fadeIn 0.6s ease;
}

.tech-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
}

.tech-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--primary-lighter);
}

.tech-header i {
    font-size: 28px;
    color: var(--primary-color);
}

.tech-header h3 {
    font-size: 20px;
    color: var(--text-primary);
    font-weight: 600;
}

.tech-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
}

.feature-item i {
    color: var(--success-color);
    font-size: 16px;
}

.feature-item span {
    font-size: 14px;
    color: var(--text-secondary);
}

/* CTA Section */
.cta-section {
    padding: 100px 0;
    background: var(--gradient-primary);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    font-size: 36px;
    margin-bottom: 16px;
    font-weight: 600;
}

.cta-content p {
    font-size: 18px;
    opacity: 0.95;
    margin-bottom: 32px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 32px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(255, 255, 255, 0.3);
}

.btn-outline {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.btn-large {
    padding: 16px 40px;
    font-size: 16px;
}

.cta-features {
    display: flex;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
}

.cta-features span {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    opacity: 0.9;
}

.cta-features i {
    color: #52c41a;
    font-size: 16px;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .challenge-solution {
        grid-template-columns: 1fr;
    }
    
    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tech-showcase {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .cases-hero h1 {
        font-size: 36px;
    }
    
    .case-study-header {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .metrics-grid {
        grid-template-columns: 1fr;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline-horizontal {
        flex-direction: column;
        gap: 24px;
    }
    
    .timeline-horizontal::before {
        display: none;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .trust-indicators {
        flex-direction: column;
        align-items: center;
    }
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}