/* Base Reset & Variables - Orange Theme */
:root {
    --primary-color: #ff6600;
    --primary-dark: #e55c00;
    --primary-light: #ff8c42;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --light-bg: #fff8f2;
    --card-bg: #ffffff;
    --border-color: #ffe5d6;
    --text-primary: #2c2c2c;
    --text-secondary: #666666;
    --shadow-sm: 0 1px 3px rgba(255, 102, 0, 0.12);
    --shadow-md: 0 4px 6px -1px rgba(255, 102, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(255, 102, 0, 0.1);
    --radius: 8px;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--light-bg);
}

.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
.header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 1rem 0;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    text-decoration: none;
}

.logo i {
    font-size: 2rem;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo-subtitle {
    font-size: 0.8rem;
    font-weight: 400;
    opacity: 0.9;
}

.quick-stats {
    font-size: 1rem;
}

/* Main Search Area */
.search-section {
    padding: 2.5rem 0;
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
}

.search-container {
    max-width: 800px;
    margin: 0 auto;
}

.search-title {
    text-align: center;
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.search-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.search-box {
    display: flex;
    gap: 10px;
    margin-bottom: 1.5rem;
}

.search-input {
    flex: 1;
    padding: 15px 20px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 1.1rem;
    transition: var(--transition);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 102, 0, 0.1);
}

.search-btn {
    padding: 0 30px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.search-btn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-1px);
}

.quick-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}

/*.filter-chip {
    padding: 8px 16px;
    background-color: var(--light-bg);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}

.filter-chip:hover {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}*/
.filter-chip {
    display: inline-block;  /* 确保链接能正确显示为块级元素 */
    padding: 8px 16px;
    background-color: var(--light-bg);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;  /* 移除下划线 */
    color: var(--text-primary);  /* 确保颜色正确 */
}

.filter-chip:hover {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    text-decoration: none;  /* 确保hover时也没有下划线 */
}

/* 为已激活的筛选器添加特殊样式（可选） */
.filter-chip.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}
/* Results Display Area */
.results-section {
    padding: 2rem 0;
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 15px;
}

.results-count {
    font-size: 1.2rem;
    color: var(--text-primary);
    font-weight: 600;
}

.bulk-inquiry-btn {
    padding: 10px 20px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.bulk-inquiry-btn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-1px);
}

/* Table View */
.results-table {
    width: 100%;
    background-color: var(--card-bg);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.table-header {
    display: grid;
    grid-template-columns: 1fr 2fr 1fr 1fr;
    background-color: #fff5ee;
    padding: 15px;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
}

.table-row {
    display: grid;
    grid-template-columns: 1fr 2fr 1fr 1fr;
    padding: 15px;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.table-row:hover {
    background-color: var(--light-bg);
}

.inquiry-btn {
    padding: 8px 16px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 5px;
    width: fit-content;
}

.inquiry-btn:hover {
    background-color: var(--primary-dark);
}

/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    padding: 20px;
}

.modal-overlay.active {
    display: flex;
}

.modal-content {
    background-color: var(--card-bg);
    border-radius: var(--radius);
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--danger-color);
}

/* Form Styles */
#email-inquiry-form,
#single-inquiry-form {
    padding: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 102, 0, 0.1);
}

textarea.form-control {
    resize: vertical;
    min-height: 80px;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary-color);
}

.form-actions {
    display: flex;
    gap: 15px;
    margin-top: 2rem;
}

.submit-btn {
    flex: 1;
    padding: 15px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.submit-btn:hover {
    background-color: var(--primary-dark);
}

.cancel-btn {
    flex: 1;
    padding: 15px;
    background-color: var(--light-bg);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.cancel-btn:hover {
    background-color: #f0f0f0;
}

/* Pagination Styles */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 2rem;
    padding: 1rem 0;
    flex-wrap: wrap;
}

.pagination a,
.pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    background-color: var(--card-bg);
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition);
    cursor: pointer;
}

.pagination a:hover:not(.disabled) {
    background-color: var(--primary-light);
    border-color: var(--primary-light);
    color: white;
    transform: translateY(-2px);
}

.pagination .current {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    font-weight: 600;
}

.pagination .disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background-color: var(--light-bg);
}

.pagination .ellipsis {
    border: none;
    background: none;
    min-width: auto;
    padding: 0 5px;
    cursor: default;
}

.pagination a[rel="prev"],
.pagination a[rel="next"] {
    padding: 0 15px;
    font-weight: 600;
}

/* Footer Styles */
.footer {
    background-color: #2c2c2c;
    color: white;
    padding: 3rem 0 1.5rem;
    margin-top: 3rem;
}

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

.footer-section h3 {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-section p {
    color: #cccccc;
    margin-bottom: 0.5rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid #444;
    color: #999;
}

/* Utility Classes */
.hidden {
    display: none !important;
}

.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--border-color);
}

/* Mobile Optimization */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .search-box {
        flex-direction: column;
    }
    
    .results-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .bulk-inquiry-btn {
        width: 100%;
        justify-content: center;
    }
    
    .table-header,
    .table-row {
        grid-template-columns: 1fr 1fr;
        font-size: 0.9rem;
    }
    
    .table-row div:last-child {
        grid-column: span 2;
        margin-top: 10px;
        justify-content: center;
    }
    
    .modal-content {
        margin: 10px;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .pagination {
        gap: 5px;
    }
    
    .pagination a,
    .pagination span {
        min-width: 35px;
        height: 35px;
        font-size: 0.85rem;
    }
    
    .pagination a[rel="prev"],
    .pagination a[rel="next"] {
        padding: 0 10px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .search-title {
        font-size: 1.5rem;
    }
    
    .search-subtitle {
        font-size: 1rem;
    }
    
    .table-header,
    .table-row {
        grid-template-columns: 1fr;
        padding: 10px;
    }
    
    .table-row div {
        padding: 5px 0;
    }
}

/* 数据库功能介绍样式 */
.database-features {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 25px;
    margin: 30px 0;
    border: 1px solid #eaeaea;
}

.database-features h3 {
    color: #2c3e50;
    margin-bottom: 20px;
    font-size: 1.4rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.database-features h3 i {
    color: #667eea;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 25px;
}

.feature-item {
    background: white;
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid #667eea;
    display: flex;
    gap: 15px;
    transition: transform 0.3s;
}

.feature-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.feature-icon {
    font-size: 1.2rem;
    color: #28a745;
}

.feature-content h4 {
    margin: 0 0 8px 0;
    color: #2c3e50;
    font-size: 1.1rem;
}

.feature-content p {
    margin: 0;
    color: #666;
    font-size: 0.95rem;
    line-height: 1.4;
}

/* 联系提示样式 */
.contact-tip {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 25px;
    border-radius: 10px;
    margin-top: 20px;
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.tip-icon {
    font-size: 2rem;
}

.tip-content h4 {
    margin: 0 0 10px 0;
    font-size: 1.3rem;
}

.tip-content > p {
    margin: 0 0 15px 0;
    opacity: 0.9;
}

.contact-options {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    margin-bottom: 10px;
}

.whatsapp-btn {
    background: #25D366;
    color: white;
    padding: 12px 25px;
    border-radius: 5px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    transition: all 0.3s;
}

.whatsapp-btn:hover {
    background: #1da851;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(37, 211, 102, 0.3);
    color: white;
}

.contact-options .inquiry-btn {
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: 12px 25px;
    border-radius: 5px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    transition: all 0.3s;
}

.contact-options .inquiry-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: white;
    transform: translateY(-2px);
}

.small-text {
    font-size: 0.9rem;
    opacity: 0.8;
    margin-top: 10px !important;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .features-grid {
        grid-template-columns: 1fr;
    }

    .contact-tip {
        flex-direction: column;
        text-align: center;
    }

    .contact-options {
        flex-direction: column;
    }

    .whatsapp-btn,
    .contact-options .inquiry-btn {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .database-features {
        padding: 15px;
    }

    .feature-item {
        flex-direction: column;
        text-align: center;
    }

    .contact-tip {
        padding: 20px 15px;
    }
}

/* 移动端联系栏 */
.mobile-contact-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    padding: 10px;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
    z-index: 1000;
    display: flex;
    gap: 10px;
}

.mobile-whatsapp, .mobile-inquiry {
    flex: 1;
    padding: 12px;
    border-radius: 5px;
    text-align: center;
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.mobile-whatsapp {
    background: #25D366;
    color: white;
}

.mobile-inquiry {
    background: #667eea;
    color: white;
    border: none;
    cursor: pointer;
}

@media (max-width: 768px) {
    .mobile-contact-bar {
        display: flex;
    }
}


/* 搜索提示行 */
.search-tips {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin: 15px 0;
    flex-wrap: wrap;
}

.tip-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #666;
    font-size: 0.95rem;
}

.tip-item i {
    color: #667eea;
}

.tip-item a {
    color: #25D366;
    text-decoration: none;
    font-weight: 500;
}

.tip-item a:hover {
    text-decoration: underline;
}

/* 更多信息折叠区 */
.more-info-section {
    margin: 20px 0;
    text-align: center;
}

.more-info-toggle {
    background: none;
    border: 1px solid #ddd;
    padding: 10px 20px;
    border-radius: 5px;
    color: #666;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s;
}

.more-info-toggle:hover {
    border-color: #667eea;
    color: #667eea;
}

.more-info-content {
    margin-top: 20px;
    text-align: left;
}

/* 数据库特性网格 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
    margin: 20px 0;
}

.feature {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.feature-icon {
    color: #28a745;
    font-size: 1.1rem;
    margin-top: 2px;
}

.feature-text {
    font-size: 0.95rem;
    line-height: 1.4;
}

.contact-note {
    background: #f8f9fa;
    padding: 15px;
    border-radius: 5px;
    margin-top: 20px;
    font-size: 0.95rem;
}

/* 响应式 */
@media (max-width: 768px) {
    .search-tips {
        gap: 10px;
    }

    .tip-item {
        font-size: 0.9rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }
}