/* 页面通用样式 */

/* Page Hero */
.page-hero {
    padding: 140px 0 80px;
    background: var(--dark);
    position: relative;
    overflow: hidden;
}

.page-hero .hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 30% 50%, rgba(0, 102, 255, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 70%, rgba(0, 212, 170, 0.1) 0%, transparent 40%);
}

.page-hero h1 {
    font-size: 42px;
    font-weight: 700;
    color: white;
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}

.page-hero p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.7);
    position: relative;
    z-index: 1;
}

/* About Section */
.about-section {
    background: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 24px;
}

.about-intro {
    font-size: 17px;
    color: var(--gray);
    margin-bottom: 20px;
    font-weight: 500;
}

.about-text > p {
    font-size: 15px;
    color: var(--gray);
    line-height: 1.8;
    margin-bottom: 30px;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.feature-item i {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.1), rgba(0, 212, 170, 0.1));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--primary);
    flex-shrink: 0;
}

.feature-item h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 4px;
}

.feature-item p {
    font-size: 14px;
    color: var(--gray);
}

.about-image {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.image-card {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: var(--radius-lg);
    padding: 40px;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-placeholder {
    text-align: center;
    color: white;
}

.image-placeholder i {
    font-size: 64px;
    margin-bottom: 16px;
}

.image-placeholder span {
    font-size: 18px;
    font-weight: 600;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.stat-box {
    background: var(--bg-light);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
}

.stat-box .stat-num {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
}

.stat-box .stat-text {
    font-size: 13px;
    color: var(--gray);
}

/* Company Info Section */
.company-info-section {
    background: var(--bg-light);
}

.info-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.info-card {
    background: white;
    border-radius: var(--radius);
    padding: 30px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    transition: var(--transition);
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.info-card .info-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.1), rgba(0, 212, 170, 0.1));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--primary);
    margin: 0 auto 16px;
}

.info-card h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 8px;
}

.info-card p {
    font-size: 14px;
    color: var(--gray);
}

/* Timeline Section */
.timeline-section {
    background: var(--white);
}

.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom, var(--primary), var(--secondary));
}

.timeline-item {
    display: flex;
    justify-content: flex-end;
    padding-right: 50%;
    position: relative;
    margin-bottom: 40px;
}

.timeline-item:nth-child(even) {
    justify-content: flex-start;
    padding-right: 0;
    padding-left: 50%;
}

.timeline-dot {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 16px;
    height: 16px;
    background: var(--primary);
    border-radius: 50%;
    border: 3px solid white;
    box-shadow: 0 0 0 3px var(--primary);
}

.timeline-content {
    background: white;
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
    max-width: 350px;
    margin-right: 40px;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-right: 0;
    margin-left: 40px;
}

.timeline-year {
    font-size: 14px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
    display: block;
}

.timeline-content h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 8px;
}

.timeline-content p {
    font-size: 14px;
    color: var(--gray);
}

/* Services Detail */
.services-detail-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.service-detail-card {
    background: white;
    border-radius: var(--radius);
    padding: 40px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.service-detail-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow);
}

.service-detail-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.1), rgba(0, 212, 170, 0.1));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--primary);
    margin-bottom: 24px;
}

.service-detail-content h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
}

.service-detail-content > p {
    font-size: 14px;
    color: var(--gray);
    margin-bottom: 16px;
    line-height: 1.7;
}

.service-detail-content ul {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.service-detail-content ul li {
    padding: 6px 14px;
    background: var(--bg-light);
    border-radius: 20px;
    font-size: 13px;
    color: var(--gray);
}

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

.solution-card {
    background: white;
    border-radius: var(--radius);
    padding: 40px 30px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.solution-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.solution-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.1), rgba(0, 212, 170, 0.1));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--primary);
    margin-bottom: 24px;
}

.solution-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
}

.solution-card > p {
    font-size: 14px;
    color: var(--gray);
    margin-bottom: 16px;
    line-height: 1.7;
}

.solution-card ul {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.solution-card ul li {
    font-size: 13px;
    color: var(--gray);
    padding-left: 16px;
    position: relative;
}

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

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

.case-card {
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    transition: var(--transition);
}

.case-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.case-image {
    height: 200px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.case-placeholder i {
    font-size: 64px;
    color: rgba(255, 255, 255, 0.3);
}

.case-content {
    padding: 24px;
}

.case-tag {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(0, 102, 255, 0.1);
    color: var(--primary);
    font-size: 12px;
    font-weight: 600;
    border-radius: 4px;
    margin-bottom: 12px;
}

.case-content h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 12px;
    line-height: 1.4;
}

.case-content > p {
    font-size: 14px;
    color: var(--gray);
    margin-bottom: 16px;
    line-height: 1.6;
}

.case-stats {
    display: flex;
    gap: 24px;
    padding-top: 16px;
    border-top: 1px solid var(--gray-lighter);
}

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

.case-stat .num {
    display: block;
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
}

.case-stat .label {
    font-size: 12px;
    color: var(--gray);
}

/* Contact */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 16px;
}

.contact-info > p {
    font-size: 15px;
    color: var(--gray);
    margin-bottom: 40px;
    line-height: 1.8;
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.contact-item .contact-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.1), rgba(0, 212, 170, 0.1));
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: var(--primary);
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 4px;
}

.contact-item p {
    font-size: 14px;
    color: var(--gray);
}

.contact-form-wrapper {
    background: white;
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-lg);
}

.contact-form-wrapper h3 {
    font-size: 22px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 24px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid #E5E7EB;
    border-radius: var(--radius-sm);
    font-size: 15px;
    color: var(--dark);
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

.form-group textarea {
    resize: vertical;
}

.contact-form .btn {
    width: 100%;
    justify-content: center;
    padding: 16px;
    font-size: 16px;
}

.map-section {
    padding-top: 0;
}

.map-placeholder {
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    padding: 80px;
    text-align: center;
}

.map-placeholder i {
    font-size: 48px;
    color: var(--gray-light);
    margin-bottom: 16px;
}

.map-placeholder span {
    display: block;
    font-size: 18px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 8px;
}

.map-placeholder p {
    font-size: 14px;
    color: var(--gray);
}

/* Responsive */
@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .info-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-detail-grid,
    .solutions-grid,
    .cases-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item,
    .timeline-item:nth-child(even) {
        padding: 0 0 0 50px;
        justify-content: flex-start;
    }
    
    .timeline-dot {
        left: 20px;
    }
    
    .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
        margin: 0;
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .page-hero {
        padding: 120px 0 60px;
    }
    
    .page-hero h1 {
        font-size: 28px;
    }
    
    .about-text h2 {
        font-size: 24px;
    }
    
    .info-cards {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .contact-form-wrapper {
        padding: 24px;
    }
    
    .map-placeholder {
        padding: 40px;
    }
}