/* 关于我们页面专用样式 */

/* 页面标题 */
.about-header {
    background: var(--bg-light);
    padding: 5rem 0 4rem;
}

.about-header h1 {
    font-size: 3rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
    font-weight: 600;
}

.about-header .header-line {
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 0 auto 1.5rem;
}

.about-header p {
    color: var(--text-light);
    font-size: 1.2rem;
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto;
}

/* 企业简介 */
.company-intro {
    background: var(--bg-white);
    padding: 6rem 0;
}

.intro-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 5rem;
    align-items: center;
}

.intro-image {
    position: relative;
}

.intro-image .intro-img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.intro-image .placeholder-image {
    width: 100%;
    height: 450px;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.intro-content h2 {
    font-size: 2.2rem;
    color: var(--text-dark);
    margin-bottom: 2rem;
    font-weight: 600;
}

.intro-content p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 2;
    font-size: 1.05rem;
}

.vision-values {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    margin-top: 3rem;
    padding-top: 3rem;
    border-top: 1px solid var(--border-color);
}

.vision-item,
.values-item {
    display: flex;
    gap: 1.2rem;
    align-items: flex-start;
}

.vision-icon,
.values-icon {
    font-size: 2.2rem;
    color: var(--primary-color);
    flex-shrink: 0;
}

.vision-item h4,
.values-item h4 {
    font-size: 1.1rem;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.vision-item p,
.values-item p {
    color: var(--text-light);
    font-size: 0.95rem;
    margin: 0;
}

/* 数据统计 */
.stats-section {
    background: var(--primary-color);
    padding: 6rem 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
}

.stats-grid .stat-item {
    text-align: center;
    padding: 0 1rem;
}

.stats-grid .stat-item h4 {
    font-size: 3.5rem;
    color: white;
    margin-bottom: 0.8rem;
    font-weight: 700;
}

.stats-grid .stat-item p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1rem;
    font-weight: 400;
}

/* 设计理念 */
.design-philosophy {
    background: var(--bg-light);
    padding: 6rem 0;
}

.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
}

.philosophy-card {
    background: white;
    padding: 3.5rem;
    border-radius: 12px;
    transition: var(--transition);
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
}

.philosophy-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.philosophy-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
}

.philosophy-card h3 {
    font-size: 1.6rem;
    color: var(--text-dark);
    margin-bottom: 1.2rem;
    font-weight: 600;
}

.philosophy-card p {
    color: var(--text-light);
    line-height: 2;
    font-size: 1.05rem;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .intro-grid {
        gap: 3rem;
    }
    
    .vision-values {
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .about-header {
        padding: 4rem 0 3rem;
    }
    
    .about-header h1 {
        font-size: 2.2rem;
    }
    
    .company-intro {
        padding: 4rem 0;
    }
    
    .intro-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
    
    .stats-grid .stat-item h4 {
        font-size: 2.5rem;
    }
    
    .philosophy-grid {
        grid-template-columns: 1fr;
    }
    
    .vision-values {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .about-header h1 {
        font-size: 1.8rem;
    }
    
    .intro-content h2 {
        font-size: 1.8rem;
    }
    
    .stats-grid .stat-item h4 {
        font-size: 2rem;
    }
}