/* ============================================
   公司介绍页样式
   ============================================ */

/* 页面 Hero */
.page-hero {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
    color: var(--color-white);
    text-align: center;
}

.page-hero h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.page-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
}

/* 公司简介 */
.about-intro {
    background-color: var(--color-white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.about-content h2 {
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.about-content .lead {
    font-size: 1.25rem;
    color: var(--color-text);
    font-weight: 500;
    margin-bottom: var(--spacing-md);
}

.about-content p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.about-image img {
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}

/* 使命愿景 */
.mission-section {
    background-color: var(--color-background);
}

.mission-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.mission-card {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.mission-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.mission-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.mission-card h3 {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.mission-text {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

/* 核心定位 */
.positioning-section {
    background-color: var(--color-white);
}

.positioning-content {
    max-width: 800px;
    margin: 0 auto;
}

.positioning-lead {
    font-size: 1.25rem;
    text-align: center;
    color: var(--color-primary);
    font-weight: 500;
    margin-bottom: var(--spacing-xl);
}

.positioning-list {
    list-style: none;
}

.positioning-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.positioning-list li:last-child {
    border-bottom: none;
}

.list-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    flex-shrink: 0;
    font-weight: 700;
}

.positioning-list strong {
    display: block;
    font-size: 1.125rem;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.positioning-list p {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

/* 品牌理念 */
.brand-philosophy {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-white);
    text-align: center;
}

.brand-philosophy .section-title {
    color: var(--color-white);
}

.philosophy-quote {
    font-size: 1.75rem;
    font-style: italic;
    margin-bottom: var(--spacing-md);
}

.philosophy-description {
    font-size: 1.125rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* 资质认证 */
.certifications-section {
    background-color: var(--color-background);
}

.certifications-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.certification-card {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-base);
}

.certification-card:hover {
    transform: translateY(-4px);
}

.certification-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.certification-card h3 {
    font-size: 1.125rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.certification-card p {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/* 响应式 */
@media (max-width: 991px) {
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .mission-grid {
        grid-template-columns: 1fr;
    }
    
    .certifications-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 767px) {
    .page-hero h1 {
        font-size: 1.75rem;
    }
    
    .about-content h2 {
        font-size: 1.5rem;
    }
    
    .certifications-grid {
        grid-template-columns: 1fr;
    }
    
    .positioning-list li {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}