/* 关于我们页面样式 */

.main-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 60px 20px;
}

/* 介绍内容 */
.intro-content {
    background: #fff;
    border-radius: 12px;
    padding: 50px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.section {
    margin-bottom: 50px;
}

.section:last-child {
    margin-bottom: 0;
}

.section h2 {
    font-size: 28px;
    color: #303133;
    margin-bottom: 20px;
    padding-left: 15px;
    border-left: 4px solid rgba(0,157,217,1);
}

.section h3 {
    font-size: 20px;
    color: #303133;
    margin: 25px 0 15px;
    font-weight: 600;
}

.section p {
    color: #606266;
    line-height: 1.8;
    margin-bottom: 15px;
    font-size: 16px;
}

.highlight-text {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border-left: 4px solid rgba(0,157,217,1);
    padding: 25px;
    border-radius: 8px;
    margin: 30px 0;
    line-height: 1.8;
    color: #303133;
    font-size: 16px;
}

/* 特性卡片 */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin: 30px 0;
}

.feature-card {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s;
    border: 1px solid #e9ecef;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    border-color: rgba(0,157,217,1);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.feature-card h4 {
    font-size: 18px;
    color: #303133;
    margin-bottom: 10px;
    font-weight: 600;
}

.feature-card p {
    color: #606266;
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 0;
}

/* 统计数据 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 25px;
    margin: 40px 0;
}

.stat-card {
    background: linear-gradient(135deg, rgba(0,157,217,0.05) 0%, rgba(0,157,217,0.1) 100%);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    border: 1px solid rgba(0,157,217,0.2);
}

.stat-number {
    font-size: 36px;
    font-weight: 700;
    color: rgba(0,157,217,1);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 16px;
    color: #606266;
}

/* 时间线 */
.timeline {
    position: relative;
    padding-left: 30px;
    margin: 30px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, rgba(0,157,217,1) 0%, rgba(0,157,217,0.3) 100%);
}

.timeline-item {
    position: relative;
    padding-bottom: 30px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -35px;
    top: 5px;
    width: 12px;
    height: 12px;
    background: rgba(0,157,217,1);
    border-radius: 50%;
    border: 3px solid #fff;
    box-shadow: 0 0 0 3px rgba(0,157,217,0.2);
}

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

.timeline-year {
    font-size: 18px;
    font-weight: 600;
    color: rgba(0,157,217,1);
    margin-bottom: 8px;
}

.timeline-content {
    color: #606266;
    line-height: 1.6;
}

/* CTA区域 */
.cta-section {
    background: linear-gradient(135deg, rgba(0,157,217,0.05) 0%, rgba(0,157,217,0.1) 100%);
    border-radius: 12px;
    padding: 40px;
    text-align: center;
    margin: 40px 0;
}

.cta-section h3 {
    font-size: 24px;
    color: #303133;
    margin-bottom: 15px;
}

.cta-section p {
    color: #606266;
    margin-bottom: 25px;
    font-size: 16px;
}

.cta-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

/* 响应式 */
@media (max-width: 768px) {
    .intro-content {
        padding: 30px;
    }

    .section h2 {
        font-size: 24px;
    }

    .section h3 {
        font-size: 18px;
    }

    .feature-grid {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .cta-buttons {
        flex-direction: column;
    }
}