/* ========== 关于我们页面样式 ========== */

/* 公司简介区域 */
.company-intro {
    background: white;
}

.intro-content h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 1.5rem;
}

.intro-content p {
    color: var(--text-light);
    line-height: 2;
    margin-bottom: 1rem;
    text-align: justify;
}

.intro-image {
    position: relative;
}

.intro-image img {
    border-radius: 20px;
    box-shadow: var(--shadow-md);
}

.intro-image .experience-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--gradient-primary);
    color: white;
    padding: 1.5rem 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.experience-badge h3 {
    font-size: 2.5rem;
    font-weight: 700;
    margin: 0;
}

.experience-badge p {
    margin: 0;
    font-size: 0.9rem;
    opacity: 0.9;
}

/* 发展历程 */
.history-section {
    background: var(--light-color);
}

.timeline {
    position: relative;
    padding: 2rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 3px;
    height: 100%;
    background: var(--gradient-primary);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
}

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

.timeline-content {
    width: 45%;
    padding: 2rem;
    background: white;
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
    position: relative;
    transition: var(--transition);
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

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

.timeline-item:nth-child(even) .timeline-content {
    margin-right: auto;
}

.timeline-dot {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border-radius: 50%;
    border: 4px solid white;
    box-shadow: var(--shadow-sm);
    z-index: 1;
}

.timeline-content h4 {
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.timeline-content p {
    color: var(--text-light);
    margin: 0;
}

/* 数据统计 */
.stats-section {
    background: var(--gradient-dark);
    color: white;
    padding: 60px 0;
}

.stat-item {
    text-align: center;
    padding: 2rem;
}

.stat-item h2 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--accent-color);
}

.stat-item p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin: 0;
}

/* 合作伙伴 */
.partners-section {
    background: white;
}

.partner-card {
    background: var(--light-color);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    height: 100%;
    transition: var(--transition);
}

.partner-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-md);
}

.partner-card img {
    max-height: 80px;
    margin-bottom: 1rem;
}

.partner-card h5 {
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.partner-card p {
    color: var(--text-light);
    font-size: 0.9rem;
    margin: 0;
}

/* 客户展示 */
.clients-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.client-item {
    background: white;
    border-radius: 10px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    height: 100px;
}

.client-item:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.client-item img {
    max-height: 60px;
    max-width: 100%;
    object-fit: contain;
}

/* 响应式 */
@media (max-width: 991px) {
    .timeline::before {
        left: 30px;
    }
    
    .timeline-content {
        width: calc(100% - 80px);
        margin-left: 80px !important;
    }
    
    .timeline-dot {
        left: 30px;
    }
    
    .intro-image .experience-badge {
        bottom: -10px;
        right: -10px;
        padding: 1rem 1.5rem;
    }
    
    .experience-badge h3 {
        font-size: 2rem;
    }
    
    .clients-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 767px) {
    .stat-item h2 {
        font-size: 2.5rem;
    }
    
    .clients-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .intro-image {
        margin-bottom: 3rem;
    }
}