/* 关于我们页面专用样式 */

/* 英雄区域 */
.about-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 120px 0 80px;
    text-align: center;
}

.about-hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    animation: fadeInUp 0.8s ease;
}

.about-hero p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-top: 40px;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.stat-item h3 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: white;
}

.stat-item p {
    font-size: 1rem;
    opacity: 0.8;
    margin: 0;
}

/* 公司介绍 */
.company-intro {
    padding: 80px 0;
    background: #f8fafc;
}

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

.intro-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 30px;
    color: #1a202c;
}

.intro-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #475569;
    margin-bottom: 20px;
}

.intro-features {
    margin-top: 40px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 25px;
    padding: 20px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.feature-text h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: #1a202c;
}

.feature-text p {
    margin: 0;
    color: #64748b;
    font-size: 1rem;
}

.intro-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-placeholder {
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.image-placeholder::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><rect width="100" height="100" fill="none" stroke="rgba(255,255,255,0.2)" stroke-width="2"/><circle cx="50" cy="50" r="20" fill="none" stroke="rgba(255,255,255,0.3)" stroke-width="2"/></svg>') center/contain no-repeat;
}

.placeholder-text {
    color: white;
    font-size: 1.5rem;
    font-weight: 600;
    z-index: 1;
}

/* 发展历程 */
.company-timeline {
    padding: 80px 0;
    background: white;
}

.company-timeline h2 {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    color: #1a202c;
}

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

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, #667eea, #764ba2);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 50px;
    display: flex;
    align-items: center;
}

.timeline-item:nth-child(odd) {
    flex-direction: row;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-date {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 12px 24px;
    border-radius: 25px;
    font-weight: 600;
    font-size: 1.1rem;
    position: relative;
    z-index: 2;
    flex-shrink: 0;
    margin: 0 30px;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.timeline-content {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    flex: 1;
    max-width: 350px;
    position: relative;
}

.timeline-content h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: #1a202c;
}

.timeline-content p {
    color: #64748b;
    margin: 0;
    line-height: 1.6;
}

/* 团队介绍 */
.team-section {
    padding: 80px 0;
    background: #f8fafc;
}

.team-section h2 {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    color: #1a202c;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.team-member {
    background: white;
    border-radius: 16px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.team-member:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.member-avatar {
    margin-bottom: 20px;
}

.avatar-placeholder {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 1.2rem;
    margin: 0 auto;
}

.member-info h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: #1a202c;
}

.member-info p {
    color: #007AFF;
    font-weight: 500;
    margin-bottom: 15px;
}

.member-bio {
    color: #64748b;
    font-size: 0.95rem;
    line-height: 1.5;
}

/* 企业文化 */
.culture-section {
    padding: 80px 0;
    background: white;
}

.culture-section h2 {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    color: #1a202c;
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.culture-item {
    background: #f8fafc;
    border-radius: 16px;
    padding: 40px 30px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.culture-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.culture-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.culture-item h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #1a202c;
}

.culture-item p {
    color: #64748b;
    font-size: 1.1rem;
    line-height: 1.6;
    margin: 0;
}

/* 荣誉资质 */
.awards-section {
    padding: 80px 0;
    background: #f8fafc;
}

.awards-section h2 {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    color: #1a202c;
}

.awards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.award-item {
    background: white;
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.award-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.award-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.award-item h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: #1a202c;
}

.award-item p {
    color: #64748b;
    margin: 0;
    font-size: 0.95rem;
}

/* 联系我们 CTA */
.contact-cta {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

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

/* 响应式设计 */
@media (max-width: 768px) {
    .about-hero {
        padding: 80px 0 60px;
    }
    
    .about-hero h1 {
        font-size: 2.5rem;
    }
    
    .about-hero p {
        font-size: 1.1rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 30px;
    }
    
    .intro-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .intro-text h2 {
        font-size: 2rem;
    }
    
    .image-placeholder {
        height: 300px;
    }
    
    .timeline::before {
        left: 30px;
    }
    
    .timeline-item {
        flex-direction: row !important;
        padding-left: 80px;
    }
    
    .timeline-date {
        position: absolute;
        left: 0;
        margin: 0;
    }
    
    .timeline-content {
        max-width: none;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .culture-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .awards-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .company-timeline h2,
    .team-section h2,
    .culture-section h2,
    .awards-section h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .about-hero h1 {
        font-size: 2rem;
    }
    
    .stat-item h3 {
        font-size: 2rem;
    }
    
    .intro-text h2,
    .company-timeline h2,
    .team-section h2,
    .culture-section h2,
    .awards-section h2 {
        font-size: 1.8rem;
    }
    
    .feature-item {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .timeline-item {
        padding-left: 60px;
    }
    
    .timeline-date {
        padding: 10px 16px;
        font-size: 1rem;
    }
    
    .timeline-content {
        padding: 20px;
    }
    
    .team-member {
        padding: 20px;
    }
    
    .culture-item {
        padding: 30px 20px;
    }
    
    .award-item {
        padding: 20px;
    }
    
    .cta-content h2 {
        font-size: 2rem;
    }
}