/* 关于我们页面样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: #333;
}

.about-us-container {
    min-height: 600px;
    padding: 40px 20px;
    background-color: #f8f9fa;
}

.content-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.header-section {
    background: linear-gradient(135deg, #ca101a 0%, #e74c3c 100%);
    color: white;
    padding: 60px 40px;
    text-align: center;
}

.header-section h1 {
    font-size: 42px;
    margin-bottom: 16px;
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.header-section .subtitle {
    font-size: 20px;
    opacity: 0.9;
    font-weight: 300;
}

.content-section {
    padding: 60px 40px;
}

.section {
    margin-bottom: 50px;
}

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

.section h2 {
    font-size: 28px;
    color: #333;
    margin-bottom: 20px;
    font-weight: 600;
    border-bottom: 3px solid #ca101a;
    padding-bottom: 10px;
    display: inline-block;
}

.section p {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 16px;
    text-align: justify;
}

.advantage-item {
    margin-bottom: 30px;
    padding: 25px;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid #ca101a;
}

.advantage-item:last-child {
    margin-bottom: 0;
}

.advantage-item h3 {
    font-size: 20px;
    color: #ca101a;
    margin-bottom: 15px;
    font-weight: 600;
}

.advantage-item p {
    margin-bottom: 12px;
}

.advantage-item p:last-child {
    margin-bottom: 0;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 20px;
}

.service-item {
    background: #f8f9fa;
    padding: 25px;
    border-radius: 8px;
    border-top: 4px solid #ca101a;
}

.service-item h4 {
    font-size: 18px;
    color: #333;
    margin-bottom: 12px;
    font-weight: 600;
}

.service-item p {
    margin-bottom: 0;
    font-size: 14px;
    line-height: 1.6;
}

.enterprise-services {
    list-style: none;
    padding: 0;
    margin-top: 20px;
}

.enterprise-services li {
    padding: 15px 20px;
    margin-bottom: 12px;
    background: #f8f9fa;
    border-radius: 6px;
    border-left: 3px solid #ca101a;
}

.enterprise-services li:last-child {
    margin-bottom: 0;
}

.enterprise-services li strong {
    color: #ca101a;
    font-weight: 600;
}

.content-image {
    margin: 30px 0;
    text-align: center;
}

.content-image img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.content-image img:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.contact-info {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 8px;
    border-left: 4px solid #ca101a;
}

.contact-info p {
    margin-bottom: 12px;
    font-size: 16px;
}

.contact-info p:last-child {
    margin-bottom: 0;
}

.contact-info strong {
    color: #333;
    font-weight: 600;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .about-us-container {
        padding: 20px 10px;
    }

    .header-section {
        padding: 40px 20px;
    }

    .header-section h1 {
        font-size: 32px;
    }

    .header-section .subtitle {
        font-size: 16px;
    }

    .content-section {
        padding: 40px 20px;
    }

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

    .advantage-item {
        padding: 20px;
    }

    .advantage-item h3 {
        font-size: 18px;
    }

    .service-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .service-item {
        padding: 20px;
    }

    .service-item h4 {
        font-size: 16px;
    }

    .enterprise-services li {
        padding: 12px 15px;
        font-size: 14px;
    }

    .content-image {
        margin: 20px 0;
    }

    .content-image img {
        border-radius: 6px;
    }

    .contact-info {
        padding: 20px;
    }
}