/* 关于我们页面样式 */

.aboutus-main {
    padding: 40px 0 60px;
    background: #f8f9fa;
    min-height: calc(100vh - 200px);
}

.aboutus-header {
    text-align: center;
    margin-bottom: 50px;
    padding: 40px 0;
}

.aboutus-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #222;
    margin-bottom: 16px;
}

.aboutus-subtitle {
    font-size: 1.1rem;
    color: #666;
    max-width: 800px;
    margin: 0 auto;
}

.aboutus-section {
    background: #ffffff;
    border-radius: 18px;
    padding: 40px;
    margin-bottom: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    border: 1px solid #edf0f7;
}

.section-header {
    margin-bottom: 30px;
    padding-bottom: 16px;
    border-bottom: 2px solid #f0f0f0;
}

.section-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: #222;
    margin: 0;
}

.section-content {
    line-height: 1.8;
}

.intro-text {
    font-size: 1rem;
    color: #555;
    margin-bottom: 20px;
    line-height: 1.8;
}

.intro-text:last-child {
    margin-bottom: 0;
}

/* 职责卡片网格 */
.duty-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin-top: 20px;
}

.duty-card {
    padding: 24px;
    background: #f8f9fa;
    border-radius: 12px;
    border: 1px solid #e9ecef;
    transition: all 0.3s ease;
}

.duty-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    border-color: #667eea;
}

.duty-icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
}

.duty-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: #222;
    margin-bottom: 12px;
}

.duty-desc {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.7;
    margin: 0;
}

/* 服务范围网格 */
.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.service-card {
    padding: 24px;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border-radius: 12px;
    border: 1px solid #e9ecef;
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
    border-color: #667eea;
}

.service-name {
    font-size: 1.3rem;
    font-weight: 600;
    color: #222;
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 2px solid #667eea;
}

.service-desc {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.7;
    margin: 0;
}

/* 优势列表 */
.advantage-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.advantage-item {
    padding: 16px 20px;
    margin-bottom: 12px;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid #667eea;
    font-size: 1rem;
    color: #555;
    line-height: 1.7;
}

.advantage-item strong {
    color: #222;
    font-weight: 600;
}

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

/* 服务保障网格 */
.guarantee-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
    margin-top: 20px;
}

.guarantee-item {
    text-align: center;
    padding: 24px;
    background: #f8f9fa;
    border-radius: 12px;
    border: 1px solid #e9ecef;
    transition: all 0.3s ease;
}

.guarantee-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    border-color: #667eea;
}

.guarantee-icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
}

.guarantee-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #222;
    margin-bottom: 8px;
}

.guarantee-item p {
    font-size: 0.9rem;
    color: #666;
    margin: 0;
}

/* 联系我们 */
.aboutus-contact {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #ffffff;
}

.aboutus-contact .section-title {
    color: #ffffff;
}

.aboutus-contact .section-header {
    border-bottom-color: rgba(255, 255, 255, 0.3);
}

.contact-info {
    font-size: 1rem;
    line-height: 2;
}

.contact-info p {
    margin-bottom: 12px;
    color: rgba(255, 255, 255, 0.95);
}

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

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

/* 响应式设计 */
@media (max-width: 768px) {
    .aboutus-main {
        padding: 20px 0 40px;
    }

    .aboutus-header {
        padding: 30px 0;
        margin-bottom: 30px;
    }

    .aboutus-title {
        font-size: 2rem;
    }

    .aboutus-subtitle {
        font-size: 1rem;
    }

    .aboutus-section {
        padding: 24px;
        margin-bottom: 20px;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .duty-grid,
    .service-grid {
        grid-template-columns: 1fr;
    }

    .guarantee-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .guarantee-grid {
        grid-template-columns: 1fr;
    }
}