/* 联系信息 */
.contact-info-section {
    padding: 60px 0;
    background: white;
}

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

.contact-card {
    text-align: center;
    padding: 2rem;
    border-radius: 15px;
    background: #f8f9fa;
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
    background: white;
}

.contact-icon {
    width: 80px;
    height: 80px;
    background: #ff6b35;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
}

.contact-card h3 {
    font-size: 1.3rem;
    font-weight: bold;
    color: #000;
    margin-bottom: 1rem;
}

.contact-card p {
    font-size: 1.1rem;
    color: #333;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.contact-time {
    color: #666;
    font-size: 0.9rem;
}

/* 联系表单 */
.contact-form-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.form-container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.form-header {
    text-align: center;
    margin-bottom: 2rem;
}

.form-header h2 {
    font-size: 2rem;
    font-weight: bold;
    color: #000;
    margin-bottom: 1rem;
}

.form-header p {
    color: #666;
    font-size: 1.1rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    color: #333;
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #ff6b35;
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.submit-btn {
    background: #ff6b35;
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 1rem;
}

.submit-btn:hover {
    background: #e55a2b;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(255, 107, 53, 0.3);
}

/* 商务合作 */
.business-section {
    padding: 80px 0;
    background: white;
}

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

.business-card {
    text-align: center;
    padding: 2.5rem;
    border-radius: 15px;
    background: #f8f9fa;
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
}

.business-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    background: white;
}

.business-icon {
    width: 100px;
    height: 100px;
    background: #ff6b35;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2.5rem;
}

.business-card h3 {
    font-size: 1.5rem;
    font-weight: bold;
    color: #000;
    margin-bottom: 1rem;
}

.business-card p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.business-link {
    color: #ff6b35;
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    transition: all 0.3s ease;
}

.business-link:hover {
    color: #e55a2b;
    gap: 10px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .form-container {
        padding: 2rem;
        margin: 0 1rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .contact-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 1.5rem;
    }
    
    .business-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .form-header h2 {
        font-size: 1.8rem;
    }
}

@media (max-width: 480px) {
    .form-container {
        padding: 1.5rem;
    }
    
    .contact-card {
        padding: 1.5rem;
    }
    
    .business-card {
        padding: 2rem;
    }
    
    .contact-icon,
    .business-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .business-icon {
        width: 80px;
        height: 80px;
        font-size: 2rem;
    }
}