/* About Us Page Specific Styles */
.about-us-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
}

.about-us-header {
    text-align: center;
    margin-bottom: 3rem;
}

.main-title {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 1.5rem;
}

.lead-text {
    font-size: 1.2rem;
    line-height: 1.8;
    color: #34495e;
    max-width: 800px;
    margin: 0 auto;
}

.service-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.highlight-box {
    background: #fff;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.icon-wrapper {
    font-size: 2rem;
    color: #3498db;
    margin-bottom: 1rem;
}

.highlight-box h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

.highlight-box ul {
    list-style: none;
    padding: 0;
}

.highlight-box ul li {
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.highlight-box ul li:before {
    content: "•";
    color: #3498db;
    position: absolute;
    left: 0;
}

.number-types {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.number-tag {
    background: #edf2f7;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
}

.service-guarantee {
    margin-bottom: 3rem;
}

.guarantee-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.guarantee-item {
    text-align: center;
    padding: 1.5rem;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.guarantee-item i {
    font-size: 2rem;
    color: #3498db;
    margin-bottom: 1rem;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.contact-item {
    text-align: center;
    padding: 1.5rem;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.contact-item i {
    font-size: 2rem;
    color: #3498db;
    margin-bottom: 1rem;
}

h2 {
    color: #2c3e50;
    text-align: center;
    margin-bottom: 2rem;
}

/* About page specific media queries */
@media (max-width: 768px) {
    .about-us-container {
        padding: 1rem;
    }

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

    .lead-text {
        font-size: 1rem;
    }

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

    .guarantee-grid,
    .contact-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 1rem;
    }
}