/* contact.css - 联系我们页面专用样式 */

/* 联系我们页面 Hero 区域 */
.contact-hero {
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://images.unsplash.com/photo-1581094794329-c8112a89af12?ixlib=rb-4.0.3&auto=format&fit=crop&w=1600&q=80');
    background-size: cover;
    background-position: center;
    color: white;
    padding: 100px 0 60px;
    text-align: center;
    margin-top: 0;
}

.contact-hero-content h1 {
    color: white;
    font-size: 3rem;
    margin-bottom: 20px;
}

.contact-hero-content h1 span {
    color: #3498db;
}

.contact-hero-content p {
    font-size: 1.3rem;
    max-width: 700px;
    margin: 0 auto;
    opacity: 0.9;
}

/* 联系信息区域 */
.contact-info-container {
    margin-bottom: 80px;
}

.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.contact-info-card {
    background-color: white;
    padding: 35px 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.contact-info-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.contact-icon {
    font-size: 2.5rem;
    color: #3498db;
    margin-bottom: 20px;
}

.contact-info-card h3 {
    color: #2c3e50;
    margin-bottom: 25px;
    font-size: 1.4rem;
}

.contact-details {
    margin-bottom: 20px;
    text-align: left;
}

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

.contact-details p {
    margin-bottom: 5px;
    color: #5a6c7d;
    line-height: 1.6;
}

.contact-details strong {
    color: #2c3e50;
}

.contact-details a {
    color: #3498db;
    transition: color 0.3s;
}

.contact-details a:hover {
    color: #2980b9;
    text-decoration: underline;
}

/* 联系表单区域 */
.contact-form-container {
    background-color: white;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    margin-bottom: 80px;
}

.contact-form {
    max-width: 900px;
    margin: 0 auto;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 25px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #2c3e50;
    font-weight: 600;
    font-size: 0.95rem;
}

.form-group label[for]::after {
    content: " *";
    color: #e74c3c;
    display: inline;
}

.form-group label[for="company"]::after,
.form-group label[for="phone"]::after {
    content: "";
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: 'Open Sans', sans-serif;
    font-size: 1rem;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 15px center;
    background-size: 16px;
    padding-right: 40px;
}

.error-message {
    color: #e74c3c;
    font-size: 0.85rem;
    margin-top: 5px;
    min-height: 20px;
}

.form-submit {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 40px;
}

.form-submit .btn-primary {
    padding: 15px 40px;
    font-size: 1.1rem;
}

.form-note p {
    color: #7f8c8d;
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* 部门区域 */
.departments-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 80px;
}

.department-card {
    background-color: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: transform 0.3s;
}

.department-card:hover {
    transform: translateY(-10px);
}

.department-icon {
    font-size: 2.2rem;
    color: #3498db;
    margin-bottom: 20px;
}

.department-card h3 {
    color: #2c3e50;
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.department-card p {
    color: #5a6c7d;
    margin-bottom: 20px;
    line-height: 1.6;
}

.department-contact {
    text-align: left;
    border-top: 1px solid #eee;
    padding-top: 20px;
}

.department-contact p {
    margin-bottom: 10px;
    font-size: 0.95rem;
}

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

.department-contact strong {
    color: #2c3e50;
}

.department-contact a {
    color: #3498db;
    transition: color 0.3s;
}

.department-contact a:hover {
    color: #2980b9;
    text-decoration: underline;
}

/* FAQ区域 */
.faq-container {
    max-width: 900px;
    margin: 0 auto 80px;
}

.faq-item {
    background-color: white;
    border-radius: 8px;
    margin-bottom: 15px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 25px 30px;
    text-align: left;
    background-color: white;
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 1.1rem;
    color: #2c3e50;
    transition: background-color 0.3s;
}

.faq-question:hover {
    background-color: #f8f9fa;
}

.faq-question i {
    color: #3498db;
    transition: transform 0.3s;
}

.faq-question.active i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 30px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s, padding 0.3s;
}

.faq-answer.open {
    padding: 0 30px 25px;
    max-height: 500px;
}

.faq-answer p {
    color: #5a6c7d;
    line-height: 1.7;
}

/* CTA区域 */
.contact-cta-container {
    background-color: #3498db;
    color: white;
    padding: 60px;
    border-radius: 8px;
    text-align: center;
}

.contact-cta-container h2 {
    color: white;
    margin-bottom: 15px;
}

.contact-cta-container p {
    max-width: 700px;
    margin: 0 auto 30px;
    opacity: 0.9;
}

.contact-cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.contact-cta-buttons .btn-primary,
.contact-cta-buttons .btn-secondary {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    font-size: 1.1rem;
}

.contact-cta-buttons .btn-primary {
    background-color: white;
    color: #3498db;
    border-color: white;
}

.contact-cta-buttons .btn-primary:hover {
    background-color: #f8f9fa;
    border-color: #f8f9fa;
}

.contact-cta-buttons .btn-secondary {
    background-color: transparent;
    color: white;
    border-color: white;
}

.contact-cta-buttons .btn-secondary:hover {
    background-color: white;
    color: #3498db;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .contact-hero-content h1 {
        font-size: 2.5rem;
    }
    
    .contact-hero-content p {
        font-size: 1.1rem;
    }
}

@media (max-width: 768px) {
    .contact-hero {
        padding: 80px 0 40px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .contact-form-container {
        padding: 30px 20px;
    }
    
    .contact-cta-container {
        padding: 40px 20px;
    }
    
    .contact-cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .contact-cta-buttons a {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .form-submit {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 576px) {
    .contact-hero-content h1 {
        font-size: 2rem;
    }
    
    .contact-info-grid,
    .departments-container {
        grid-template-columns: 1fr;
    }
    
    .faq-question {
        padding: 20px;
        font-size: 1rem;
    }
    
    .faq-answer {
        padding: 0 20px;
    }
    
    .faq-answer.open {
        padding: 0 20px 20px;
    }
}