/* 关于我们页面样式 */
.about-header {
    background-color: var(--primary-color);
    color: white;
    padding: 80px 0;
    text-align: center;
    margin-top: var(--header-height);
}

.about-header h1 {
    font-size: 36px;
    margin-bottom: 15px;
}

.about-header p {
    font-size: 18px;
    max-width: 700px;
    margin: 0 auto;
    opacity: 0.9;
}

/* 公司简介 */
.company-intro {
    padding: 80px 0;
}

.intro-container {
    display: flex;
    align-items: center;
    gap: 50px;
}

.intro-content {
    flex: 1;
}

.intro-content h2 {
    font-size: 30px;
    margin-bottom: 25px;
    color: var(--dark-color);
    position: relative;
}

.intro-content h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 50px;
    height: 3px;
    background-color: var(--primary-color);
}

.intro-content p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-color);
    margin-bottom: 20px;
}

.intro-image {
    flex: 1;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.intro-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* 核心优势 */
.core-advantages {
    padding: 80px 0;
    background-color: var(--light-color);
}

.core-advantages h2 {
    font-size: 30px;
    margin-bottom: 50px;
    text-align: center;
    color: var(--dark-color);
    position: relative;
}

.core-advantages h2:after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    width: 50px;
    height: 3px;
    background-color: var(--primary-color);
    transform: translateX(-50%);
}

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

.advantage-card {
    background-color: white;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.advantage-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.advantage-icon {
    width: 70px;
    height: 70px;
    margin-bottom: 20px;
}

.advantage-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.advantage-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.advantage-card p {
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-light);
}

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

.company-history h2 {
    font-size: 30px;
    margin-bottom: 50px;
    text-align: center;
    color: var(--dark-color);
    position: relative;
}

.company-history h2:after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    width: 50px;
    height: 3px;
    background-color: var(--primary-color);
    transform: translateX(-50%);
}

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

.timeline:before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 2px;
    background-color: var(--border-color);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 50px;
}

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

.timeline-content {
    position: relative;
    width: calc(50% - 30px);
    padding: 20px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-left: auto;
}

.timeline-content:before {
    content: '';
    position: absolute;
    top: 20px;
    width: 20px;
    height: 20px;
    background-color: white;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
}

.timeline-item:nth-child(odd) .timeline-content:before {
    left: -40px;
}

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

.timeline-year {
    display: inline-block;
    padding: 5px 15px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 4px;
    font-weight: 500;
    margin-bottom: 10px;
}

.timeline-content h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--dark-color);
}

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

/* 团队介绍 */
.team-section {
    padding: 80px 0;
    background-color: var(--light-color);
}

.team-section h2 {
    font-size: 30px;
    margin-bottom: 50px;
    text-align: center;
    color: var(--dark-color);
    position: relative;
}

.team-section h2:after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    width: 50px;
    height: 3px;
    background-color: var(--primary-color);
    transform: translateX(-50%);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.team-card {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.team-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.team-image {
    height: 250px;
    overflow: hidden;
}

.team-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.5s ease;
}

.team-card:hover .team-image img {
    transform: scale(1.1);
}

.team-info {
    padding: 20px;
    text-align: center;
}

.team-info h3 {
    font-size: 18px;
    margin-bottom: 5px;
    color: var(--dark-color);
}

.team-info .position {
    font-size: 14px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.team-info p {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 15px;
}

.team-social {
    display: flex;
    justify-content: center;
    gap: 10px;
}

.team-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background-color: var(--light-color);
    transition: all 0.3s ease;
}

.team-social a:hover {
    background-color: var(--primary-color);
}

.team-social img {
    width: 15px;
    height: 15px;
}

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

.company-culture h2 {
    font-size: 30px;
    margin-bottom: 50px;
    text-align: center;
    color: var(--dark-color);
    position: relative;
}

.company-culture h2:after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    width: 50px;
    height: 3px;
    background-color: var(--primary-color);
    transform: translateX(-50%);
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.culture-item {
    display: flex;
    align-items: flex-start;
    background-color: white;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.culture-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.culture-icon {
    width: 50px;
    height: 50px;
    margin-right: 20px;
    flex-shrink: 0;
}

.culture-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.culture-content h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.culture-content p {
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-light);
}

/* 联系信息 */
.contact-info-section {
    padding: 80px 0;
    background-color: var(--light-color);
}

.contact-info-section h2 {
    font-size: 30px;
    margin-bottom: 50px;
    text-align: center;
    color: var(--dark-color);
    position: relative;
}

.contact-info-section h2:after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    width: 50px;
    height: 3px;
    background-color: var(--primary-color);
    transform: translateX(-50%);
}

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

.contact-info-item {
    background-color: white;
    border-radius: 8px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.contact-info-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.contact-info-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
}

.contact-info-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.contact-info-item h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.contact-info-item p {
    font-size: 16px;
    color: var(--text-color);
}

/* 响应式适配 */
@media (max-width: 1200px) {
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .team-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 992px) {
    .intro-container {
        flex-direction: column;
    }
    
    .intro-content, .intro-image {
        width: 100%;
    }
    
    .timeline:before {
        left: 30px;
    }
    
    .timeline-content {
        width: calc(100% - 80px);
        margin-left: 80px !important;
    }
    
    .timeline-item:nth-child(odd) .timeline-content:before,
    .timeline-item:nth-child(even) .timeline-content:before {
        left: -50px;
    }
    
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .culture-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-info-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .culture-item {
        flex-direction: column;
    }
    
    .culture-icon {
        margin-right: 0;
        margin-bottom: 15px;
    }
}