:root {
    --primary-color: #3b82f6;
    --primary-dark: #2563eb;
    --secondary-color: #1e40af;
    --text-color: #333;
    --light-bg: #f3f4f6;
    --gray-text: #6b7280;
}

/* 修改hero样式，与其他页面保持一致 */
.about-us-page .hero {
    background: linear-gradient(to bottom, #dbeafe, #bfdbfe);
    padding: 6rem 0 4rem;
    text-align: center;
    margin-bottom: 0;
    margin-top: 70px; /* 增加顶部边距，避免标题被导航栏压住 */
}

.about-us-page .hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #1e40af;
}

.about-us-page .hero p {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
    color: #4b5563;
}

/* 内容区域样式 */
.about-us-page .content {
    padding: 4rem 0;
    background-color: #fff;
}

.about-us-page .container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* 标签页样式，参考case-studies.css */
.about-us-page .tabs {
    margin-bottom: 3rem;
    text-align: center;
}

.about-us-page .tab-list {
    display: flex;
    justify-content: center;
    list-style: none;
    padding: 0;
    margin: 0;
}

.about-us-page .tab-item {
    padding: 0.75rem 1.5rem;
    margin: 0 0.5rem;
    background-color: #f3f4f6;
    color: #4b5563;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.about-us-page .tab-item:hover,
.about-us-page .tab-item.active {
    background-color: #3b82f6;
    color: #fff;
}

/* 标签内容样式 */
.about-us-page .tab-content {
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.about-us-page .tab-content.active {
    display: block;
    opacity: 1;
}

/* 公司简介样式 */
.about-us-page .company-intro {
    display: flex;
    gap: 2rem;
    align-items: center;
    margin-bottom: 2rem;
}

.about-us-page .company-text {
    flex: 1;
}

.about-us-page .company-text h2 {
    color: #1e40af;
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.about-us-page .company-text p {
    color: #4b5563;
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 1.2rem;
}

/* 首行缩进两字符，用于数据库段落渲染 */
.about-us-page .company-text p.indent-2em {
    text-indent: 2em;
}

.about-us-page .company-image {
    flex: 1;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.about-us-page .company-image img {
    width: 100%;
    height: auto;
    display: block;
}

.about-us-page .learn-more-button {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    margin-top: 1rem;
    background-color: #3b82f6;
    color: #fff;
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.3s ease;
    font-weight: 500;
}

.about-us-page .learn-more-button:hover {
    background-color: #2563eb;
    transform: translateY(-2px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* 团队介绍样式 */
.about-us-page .team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 2rem;
}

.about-us-page .team-member {
    background-color: #f3f4f6;
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
    text-align: center;
    padding-bottom: 1.5rem;
}

.about-us-page .team-member:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.about-us-page .team-member img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.about-us-page .team-member h3 {
    margin: 1rem 0 0.3rem;
    color: #1e40af;
    font-size: 1.3rem;
}

.about-us-page .team-member .position {
    color: #3b82f6;
    margin-bottom: 0.8rem;
    font-weight: 500;
}

.about-us-page .team-member .bio {
    padding: 0 1.5rem;
    color: #4b5563;
    font-size: 0.95rem;
    line-height: 1.6;
}

/* 公司文化样式 */
.about-us-page .values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
}

.about-us-page .value-item {
    background-color: #f3f4f6;
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.about-us-page .value-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.about-us-page .value-item i,
.about-us-page .value-item .value-icon {
    font-size: 2.5rem;
    color: #3b82f6;
    margin-bottom: 1rem;
    display: block;
}

.about-us-page .value-item img.value-icon {
    height: 80px;
    width: auto;
    margin: 0 auto 1rem;
    display: block;
}

.about-us-page .value-item h3 {
    color: #1e40af;
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.about-us-page .value-item p {
    color: #4b5563;
    font-size: 1rem;
    line-height: 1.6;
}

/* CTA区域样式，参考其他页面 */
.about-us-page .cta {
    background-color: #3b82f6;
    color: #fff;
    padding: 4rem 0;
    text-align: center;
    margin-top: 3rem;
}

.about-us-page .cta h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.about-us-page .cta p {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 2rem;
    opacity: 0.9;
}

.about-us-page .cta-button {
    display: inline-block;
    padding: 0.9rem 2rem;
    background-color: #fff;
    color: #3b82f6;
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.3s ease;
    font-weight: 600;
}

.about-us-page .cta-button:hover {
    background-color: #f3f4f6;
    transform: translateY(-2px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .about-us-page .company-intro {
        flex-direction: column;
    }
    
    .about-us-page .company-text,
    .about-us-page .company-image {
        flex: none;
        width: 100%;
    }
    
    .about-us-page .company-image {
        margin-top: 2rem;
    }
    
    .about-us-page .team-grid {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    }
}

@media (max-width: 768px) {
    .about-us-page .hero {
        padding: 5rem 0 3rem;
    }
    
    .about-us-page .tab-list {
        flex-wrap: wrap;
    }
    
    .about-us-page .tab-item {
        margin: 0.3rem;
    }
    
    .about-us-page .values-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .about-us-page .team-grid {
        grid-template-columns: 1fr;
    }
    
    .about-us-page .hero h1 {
        font-size: 2rem;
    }
    
    .about-us-page .hero p {
        font-size: 1rem;
    }
}