/* 联系我们页面样式 - Contact Page Styles */

/* 联系我们头部 */
.contact-header {
    margin-bottom: 50px;
}

.contact-hero {
    background: var(--gradient-card);
    border-radius: 24px;
    padding: 60px 40px;
    text-align: center;
    border: 1px solid var(--border-light);
    position: relative;
    overflow: hidden;
}

.contact-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(79, 70, 229, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(236, 72, 153, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.contact-title {
    font-size: 48px;
    font-weight: 900;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-primary) 50%, var(--accent-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    z-index: 1;
}

.contact-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

/* 联系内容区域 */
.contact-content {
    margin-bottom: 80px;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

/* 联系信息 */
.contact-info {
    background: var(--bg-card);
    border-radius: 24px;
    padding: 40px;
    border: 1px solid var(--border-light);
}

.info-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 30px;
    color: var(--text-primary);
    text-align: center;
}

.info-cards {
    display: grid;
    gap: 25px;
}

.info-card {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 25px;
    background: var(--bg-accent);
    border-radius: 16px;
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
}

.info-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent-primary);
}

.info-icon {
    font-size: 32px;
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.info-content h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.info-content p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 5px;
    line-height: 1.5;
}

.social-links {
    display: flex;
    gap: 10px;
    margin-top: 10px;
}

.social-link {
    padding: 6px 12px;
    background: var(--bg-card);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--accent-primary);
    color: white;
}

/* 联系表单 */
.contact-form-container {
    background: var(--bg-card);
    border-radius: 24px;
    padding: 40px;
    border: 1px solid var(--border-light);
}

.form-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 30px;
    color: var(--text-primary);
    text-align: center;
}

.contact-form {
    display: grid;
    gap: 25px;
}

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

.form-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-input,
.form-select,
.form-textarea {
    padding: 15px 20px;
    background: var(--bg-accent);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 14px;
    transition: all 0.3s ease;
    outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-muted);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
    font-family: inherit;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.form-checkbox {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    flex-shrink: 0;
}

.checkbox-text {
    user-select: none;
}

.submit-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 18px 30px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: 25px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 10px;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-icon {
    font-size: 18px;
}

/* FAQ 部分 */
.faq-section {
    margin-bottom: 60px;
}

.section-subtitle {
    font-size: 16px;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 40px;
}

.faq-grid {
    display: grid;
    gap: 20px;
}

.faq-item {
    background: var(--bg-card);
    border-radius: 16px;
    border: 1px solid var(--border-light);
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-md);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 25px 30px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: var(--bg-accent);
}

.faq-question h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.faq-icon {
    font-size: 20px;
    color: var(--accent-primary);
    font-weight: 700;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

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

.faq-item.active .faq-answer {
    padding: 0 30px 25px 30px;
    max-height: 200px;
}

.faq-answer p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .contact-grid {
        gap: 40px;
    }
    
    .contact-hero {
        padding: 50px 30px;
    }
    
    .contact-title {
        font-size: 40px;
    }
}

@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .contact-hero {
        padding: 40px 25px;
    }
    
    .contact-title {
        font-size: 32px;
    }
    
    .contact-subtitle {
        font-size: 16px;
    }
    
    .contact-info,
    .contact-form-container {
        padding: 30px 25px;
    }
    
    .info-card {
        padding: 20px;
        gap: 15px;
    }
    
    .info-icon {
        width: 50px;
        height: 50px;
        font-size: 24px;
    }
    
    .faq-question {
        padding: 20px 25px;
    }
    
    .faq-item.active .faq-answer {
        padding: 0 25px 20px 25px;
    }
}

@media (max-width: 480px) {
    .contact-hero {
        padding: 30px 20px;
    }
    
    .contact-title {
        font-size: 28px;
    }
    
    .contact-info,
    .contact-form-container {
        padding: 25px 20px;
    }
    
    .info-card {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .info-icon {
        align-self: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .form-input,
    .form-select,
    .form-textarea {
        padding: 12px 15px;
    }
    
    .submit-btn {
        padding: 15px 25px;
        font-size: 14px;
    }
}