/* Contact Us Page Styles */
/* 使用 contact- 前缀避免选择器冲突 */

/* Contact Container */
.contact-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Page Container */
.contact-page-container {
    background: #f8f9fa;
}

/* Page Header */
.contact-page-header {
    background: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
    color: white;
    padding: 0 0 2rem 0;
}

.contact-hero {
    text-align: center;
    padding: 3rem 0;
}

/* 更新标题样式以支持h1 */
.contact-hero-title {
    font-size: 3.2rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: #ffffff;
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #ffffff 0%, #e3f2fd 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    line-height: 1.2;
}

.contact-hero-title::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    border-radius: 2px;
    box-shadow: 0 2px 8px rgba(52, 152, 219, 0.4);
}

.contact-hero-subtitle {
    font-size: 1.3rem;
    color: #f5f5f5;
    max-width: 650px;
    margin: 0 auto;
    line-height: 1.6;
    font-weight: 400;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Main Content */
.contact-main-content {
    padding: 4rem 0;
}

.contact-content-grid {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 4rem;
    align-items: start;
}

/* Form Section */
.contact-form-section {
    background: white;
    padding: 3rem;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.contact-form-header {
    margin-bottom: 2rem;
}

.contact-form-header h2 {
    font-size: 2rem;
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.contact-form-header p {
    color: #666;
    font-size: 1rem;
}

/* Form Styles */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

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

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

.contact-form-label {
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.contact-form-input,
.contact-form-select,
.contact-form-textarea {
    padding: 0.875rem 1rem;
    border: 2px solid #e1e8ed;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: white;
}

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

.contact-form-input::placeholder,
.contact-form-textarea::placeholder {
    color: #999;
}

.contact-form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.75rem center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: 2.5rem;
}

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

/* Checkbox Styles */
.contact-form-checkbox-group {
    margin: 1rem 0;
}

.contact-form-checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    cursor: pointer;
    font-size: 0.95rem;
    line-height: 1.5;
}

.contact-form-checkbox {
    display: none;
}

.contact-form-checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid #e1e8ed;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    flex-shrink: 0;
    margin-top: 2px;
}

.contact-form-checkbox:checked + .contact-form-checkmark {
    background: #3498db;
    border-color: #3498db;
}

.contact-form-checkbox:checked + .contact-form-checkmark::after {
    content: '✓';
    color: white;
    font-size: 12px;
    font-weight: bold;
}

/* Submit Button */
.contact-form-submit {
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
}

.contact-form-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(52, 152, 219, 0.3);
}

.contact-form-submit:active {
    transform: translateY(0);
}

/* Contact Info Section */
.contact-info-section {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    height: fit-content;
    position: sticky;
    top: 2rem;
}

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

.contact-info-header h2 {
    font-size: 1.5rem;
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.contact-info-header p {
    color: #666;
    font-size: 0.95rem;
}

.contact-info-grid {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    border-radius: 8px;
    background: #f8f9fa;
    transition: all 0.3s ease;
}

.contact-info-item:hover {
    background: #e9ecef;
    transform: translateY(-2px);
}

.contact-info-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #3498db, #2980b9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.contact-info-details h3 {
    font-size: 1.1rem;
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.contact-info-details p {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 0.25rem;
}

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

/* Response Info */
.contact-response-info {
    border-top: 1px solid #e1e8ed;
    padding-top: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-response-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.contact-response-item i {
    color: #3498db;
    font-size: 1.1rem;
    width: 20px;
}

.contact-response-item h4 {
    font-size: 0.95rem;
    color: #2c3e50;
    margin-bottom: 0.25rem;
}

.contact-response-item p {
    font-size: 0.85rem;
    color: #666;
    margin: 0;
}

/* Benefits Section */
.contact-benefits-section {
    background: white;
    padding: 4rem 0;
}

.contact-benefits-header {
    text-align: center;
    margin-bottom: 3rem;
}

.contact-benefits-header h2 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.contact-benefits-header p {
    font-size: 1.1rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

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

.contact-benefit-card {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #e1e8ed;
}

.contact-benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    background: white;
}

.contact-benefit-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #3498db, #2980b9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 1.5rem;
}

.contact-benefit-card h3 {
    font-size: 1.3rem;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.contact-benefit-card p {
    color: #666;
    line-height: 1.6;
    font-size: 0.95rem;
}

/* 移动端滑动展示样式 */
@media (max-width: 768px) {
    .contact-benefits-grid {
        display: flex;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        gap: 1.5rem;
        padding: 0 1rem 1rem 1rem;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none; /* Firefox */
        -ms-overflow-style: none; /* IE and Edge */
    }
    
    .contact-benefits-grid::-webkit-scrollbar {
        display: none; /* Chrome, Safari, Opera */
    }
    
    .contact-benefit-card {
        flex: 0 0 280px;
        scroll-snap-align: start;
        margin-bottom: 0;
    }
    
    /* 滑动指示器 */
    .contact-benefits-section::after {
        content: '';
        display: block;
        width: 100%;
        height: 4px;
        background: linear-gradient(90deg, 
            transparent 0%, 
            rgba(52, 152, 219, 0.3) 20%, 
            rgba(52, 152, 219, 0.6) 50%, 
            rgba(52, 152, 219, 0.3) 80%, 
            transparent 100%);
        margin-top: 1rem;
        border-radius: 2px;
    }
    
    /* 滑动提示文字 */
    .contact-benefits-header::after {
        content: '← Scroll To View More →';
        display: block;
        font-size: 0.9rem;
        color: #999;
        margin-top: 0.5rem;
        font-style: italic;
    }
}

/* Responsive Design */
@media (max-width: 1366px) {
    .contact-content-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-info-section {
        position: static;
    }
}

@media (max-width: 768px) {
    .contact-hero-title {
        font-size: 2.2rem;
    }
    
    .contact-hero-subtitle {
        font-size: 1.1rem;
    }
    
    .contact-form-section {
        padding: 2rem 1.5rem;
    }
    
    .contact-form-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .contact-benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-benefits-header h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .contact-main-content {
        padding: 2rem 0;
    }
    
    .contact-form-section {
        padding: 1.5rem 1rem;
    }
    
    .contact-info-section {
        padding: 1.5rem 1rem;
    }
    
    .contact-hero {
        padding: 2rem 0;
    }
    
    .contact-hero-title {
        font-size: 1.8rem;
    }
    
    /* 移动端select优化 */
    .contact-form-select {
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        font-size: 0.9rem;
    }
}

/* Form Validation Styles */
.contact-form-input:invalid,
.contact-form-select:invalid,
.contact-form-textarea:invalid {
    border-color: #b4aead;
}

.contact-form-input:valid,
.contact-form-select:valid,
.contact-form-textarea:valid {
    border-color: #27ae60;
}

/* Loading State */
.contact-form-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.contact-form-submit.loading {
    position: relative;
}

.contact-form-submit.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 隐私政策链接样式 */
.contact-privacy-link {
    color: #3498db;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.contact-privacy-link:hover {
    color: #2980b9;
    text-decoration: underline;
}

/* Checkbox Styles - 调整间距 */
.contact-form-checkbox-group {
    margin: 0.75rem 0;
}

.contact-form-checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    cursor: pointer;
    font-size: 0.95rem;
    line-height: 1.4;
}

.contact-form-checkbox {
    display: none;
}

.contact-form-checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid #e1e8ed;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    flex-shrink: 0;
    margin-top: 2px;
}

.contact-form-checkbox:checked + .contact-form-checkmark {
    background: #3498db;
    border-color: #3498db;
}

.contact-form-checkbox:checked + .contact-form-checkmark::after {
    content: '✓';
    color: white;
    font-size: 12px;
    font-weight: bold;
}

/* 表单底部文字样式 - 调整间距 */
.contact-form-footer {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid #e1e8ed;
}

.contact-form-consent {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.contact-form-response-time {
    font-size: 0.85rem;
    color: #888;
    font-style: italic;
    margin: 0;
    line-height: 1.3;
}

/* Submit Button - 调整间距 */
.contact-form-submit {
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

.contact-form-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(52, 152, 219, 0.3);
}

.contact-form-submit:active {
    transform: translateY(0);
}



/* 
 * Contact Information Display Styles - Contact Page Only
 * 用于联系信息显示和隐藏功能的样式
 * 包含桌面端hover效果和移动端view按钮样式
 * 使用 .contact-page-container 前缀避免影响footer样式
 */

/* 联系信息字段容器 - 仅限contact页面 */
.contact-page-container .contact-info-field {
    position: relative;
    display: inline-block;
}

/* 联系信息显示按钮 - 移动端专用 - 仅限contact页面 */
.contact-page-container .contact-info-view-btn {
    background: #007bff;
    color: white;
    border: none;
    padding: 4px 6px;
    border-radius: 4px;
    font-size: 11px;
    cursor: pointer;
    margin-left: 6px;
    display: none; /* 默认隐藏，移动端显示 */
    transition: all 0.2s ease;
    vertical-align: middle;
}

.contact-page-container .contact-info-view-btn:hover {
    background: #0056b3;
    transform: translateY(-1px);
}

.contact-page-container .contact-info-view-btn.contact-info-active {
    background: #28a745;
}

.contact-page-container .contact-info-view-btn.contact-info-active:hover {
    background: #1e7e34;
}

/* 联系信息图标按钮样式 - 仅限contact页面 */
.contact-page-container .contact-info-icon-btn {
    background: transparent;
    border: 1px solid #007bff;
    color: #007bff;
    padding: 3px 5px;
    border-radius: 3px;
    cursor: pointer;
    font-size: 10px;
    margin-left: 6px;
    transition: all 0.2s ease;
    display: none;
}

.contact-page-container .contact-info-icon-btn:hover {
    background: #007bff;
    color: white;
}

.contact-page-container .contact-info-icon-btn.contact-info-active {
    background: #28a745;
    border-color: #28a745;
    color: white;
}

/* 移动端样式 - 显示view按钮 - 仅限contact页面 */
@media (max-width: 768px) {
    .contact-page-container .contact-info-mobile-only {
        display: inline-block !important;
    }
    
    /* 移动端联系信息字段间距调整 */
    .contact-page-container .contact-info-field {
        margin-bottom: 4px;
    }
    
    /* 移动端按钮样式优化 */
    .contact-page-container .contact-info-view-btn,
    .contact-page-container .contact-info-icon-btn {
        font-size: 10px;
        padding: 2px 4px;
        margin-left: 4px;
    }
}

/* pad端样式 - 显示view按钮，使用点击交互 - 仅限contact页面 */
@media (min-width: 769px) and (max-width: 1366px) {
    .contact-page-container .contact-info-mobile-only {
        display: inline-block !important;
    }
    
    /* pad端联系信息字段间距调整 */
    .contact-page-container .contact-info-field {
        margin-bottom: 6px;
    }
    
    /* pad端按钮样式优化 - 比移动端稍大 */
    .contact-page-container .contact-info-view-btn,
    .contact-page-container .contact-info-icon-btn {
        font-size: 11px;
        padding: 3px 5px;
        margin-left: 5px;
    }
    
    /* pad端禁用hover效果 */
    .contact-page-container .contact-info-field:hover .contact-display {
        display: inline;
    }
    
    .contact-page-container .contact-info-field:hover .contact-full {
        display: none !important;
    }
}

/* 桌面端hover效果 - 仅限contact页面 */
@media (min-width: 1367px) {
    .contact-page-container .contact-info-field:hover .contact-display {
        display: none;
    }
    
    .contact-page-container .contact-info-field:hover .contact-full {
        display: inline !important;
    }
    
    /* 桌面端隐藏移动端专用按钮 */
    .contact-page-container .contact-info-mobile-only {
        display: none !important;
    }
}

/* 联系信息完整显示状态 - 仅限contact页面 */
.contact-page-container .contact-full {
    display: none;
}

/* 响应时间信息区域样式优化 */
.contact-response-info {
    margin-top: 2rem;
}

.contact-response-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.contact-response-item i {
    margin-right: 0.75rem;
    margin-top: 0.25rem;
    color: #007bff;
    font-size: 1.1em;
}

.contact-response-item h5 {
    margin: 0 0 0.25rem 0;
    font-weight: 600;
    color: #333;
}

.contact-response-item p {
    margin: 0;
    color: #666;
    font-size: 0.9em;
    line-height: 1.4;
}