/* 关于我们页面样式 */

.company-overview {
    margin-top: 2rem;
}

.company-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.info-card {
    padding: 2.5rem;
}

.info-card h3 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--accent-color);
}

.info-card p {
    line-height: 2;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.info-card strong {
    color: var(--primary-color);
}

.philosophy {
    text-align: center;
    padding: 3rem 0;
}

.philosophy-content h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.philosophy-content p {
    font-size: 1.2rem;
    color: var(--text-light);
    font-style: italic;
}

/* 时间轴样式 */
.timeline {
    position: relative;
    padding: 2rem 0;
    max-width: 900px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--primary-color);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    display: flex;
    align-items: center;
}

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

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

.timeline-year {
    flex: 0 0 150px;
    text-align: center;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    background: var(--white);
    padding: 1rem;
    border-radius: 50%;
    box-shadow: var(--shadow);
    z-index: 1;
    position: relative;
}

.timeline-content {
    flex: 1;
    margin: 0 2rem;
    padding: 2rem;
}

.timeline-content h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
}

.timeline-content p {
    color: var(--text-light);
    line-height: 1.8;
}

/* 设备卡片 */
.equipment-grid {
    margin-top: 2rem;
}

.equipment-card {
    padding: 2.5rem;
}

.equipment-card h3 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--accent-color);
}

.equipment-card ul {
    list-style: none;
    padding: 0;
}

.equipment-card li {
    padding: 0.8rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-dark);
    line-height: 1.8;
}

.equipment-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* 品质管理 */
.quality-grid {
    margin-top: 2rem;
}

.quality-item {
    text-align: center;
    padding: 2.5rem 2rem;
}

.quality-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
}

.quality-item h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.quality-item p {
    color: var(--text-light);
    line-height: 1.8;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .company-info {
        grid-template-columns: 1fr;
    }

    .timeline::before {
        left: 30px;
    }

    .timeline-item {
        flex-direction: row !important;
        padding-left: 60px;
    }

    .timeline-year {
        position: absolute;
        left: 0;
        flex: 0 0 60px;
        font-size: 1rem;
        padding: 0.5rem;
    }

    .timeline-content {
        margin: 0;
        margin-left: 1rem;
    }

    .philosophy-content h3 {
        font-size: 1.5rem;
    }

    .philosophy-content p {
        font-size: 1rem;
    }
}