/* 关于我们 */
.about-section {
    padding: 4rem 0;
}

.about-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.intro-image img {
    width: 100%;
    border-radius: 20px;
    box-shadow: var(--shadow);
}

.intro-text h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--dark-color);
}

.intro-text p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 1rem;
}

.intro-stats {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
}

.intro-stat {
    text-align: center;
}

.intro-stat .number {
    display: block;
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.intro-stat .label {
    color: #666;
}

/* 服务特色 */
.features-detail {
    padding: 4rem 0;
    background: var(--light-color);
}

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

.feature-detail-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.feature-detail-card:hover {
    transform: translateY(-5px);
}

.feature-detail-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-detail-card h3 {
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.feature-detail-card p {
    color: #666;
    line-height: 1.6;
}

/* 联系我们 */
.contact-section {
    padding: 4rem 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.contact-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow);
}

.contact-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.contact-card h3 {
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.contact-card p {
    color: #666;
}

.contact-form-wrapper {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    max-width: 700px;
    margin: 0 auto;
}

.contact-form-wrapper h3 {
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--dark-color);
}

.contact-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 2px solid #eee;
    border-radius: 10px;
    font-size: 1rem;
    margin-bottom: 1rem;
    transition: var(--transition);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.contact-form .btn {
    width: 100%;
}

/* 响应式 */
@media (max-width: 768px) {
    .about-intro {
        grid-template-columns: 1fr;
    }
    
    .intro-stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .contact-form .form-row {
        grid-template-columns: 1fr;
    }
}