:root {
    --primary-color: #2c3e50;
    --primary-dark: #1a2530;
    --secondary-color: #3498db;
    --accent-color: #e67e22;
    --dark-color: #2c3e50;
    --light-color: #f5f7fa;
    --text-color: #34495e;
    --border-color: #e0e0e0;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --gradient-start: #2c3e50;
    --gradient-end: #3498db;
    --success-color: #2ecc71;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --info-color: #3498db;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-color);
    background-color: #f5f7fa;
    margin: 0;
    padding: 0;
    min-height: 100vh;
}

/* 导航栏样式 */
.navbar {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.2);
    padding: 0.8rem 1rem;
    margin-bottom: 0 !important;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.4rem;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
}

.navbar-brand img {
    height: 32px;
    margin-right: 10px;
}

.navbar-nav .nav-link {
    font-weight: 500;
    padding: 0.7rem 1rem;
    position: relative;
    transition: all 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: white;
    transform: translateY(-2px);
}

.navbar-nav .nav-link.active {
    color: white;
    font-weight: 600;
}

.navbar-nav .nav-link.active:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 3px;
    background-color: white;
    border-radius: 3px;
}

.user-info {
    display: flex;
    align-items: center;
    color: white;
    margin-right: 1rem;
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 10px;
    font-size: 16px;
}

.badge-premium {
    background-color: var(--accent-color);
    color: white;
    font-weight: 600;
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
    margin-left: 8px;
}

.badge-trial {
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
    font-weight: 500;
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
    margin-left: 8px;
}

.btn-nav {
    background-color: rgba(255, 255, 255, 0.15);
    color: white;
    border: none;
    padding: 0.4rem 0.8rem;
    border-radius: 4px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-nav:hover {
    background-color: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
    color: white;
}

/* 页面头部 */
.page-header {
    background: linear-gradient(135deg, rgba(44, 62, 80, 0.95), rgba(52, 152, 219, 0.85)), url('https://source.unsplash.com/random/1600x800/?data,technology') no-repeat center center;
    background-size: cover;
    color: white;
    padding: 3rem 0;
    position: relative;
    margin-bottom: 2rem;
    box-shadow: 0 3px 20px rgba(0, 0, 0, 0.15);
}

.page-header-content {
    position: relative;
    z-index: 2;
    text-align: left;
}

.page-title {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.page-description {
    font-size: 1.1rem;
    max-width: 800px;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.stats-container {
    display: flex;
    margin-top: 1.5rem;
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 1rem;
}

.stat-item {
    background-color: rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    padding: 1.2rem;
    text-align: center;
    min-width: 120px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.stat-item:hover {
    transform: translateY(-5px);
    background-color: rgba(255, 255, 255, 0.12);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: linear-gradient(to right, #ffffff, #f0f0f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.9;
    font-weight: 500;
    letter-spacing: 0.5px;
}

/* 主内容区域 */
.main-content {
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    padding: 2rem;
    margin-bottom: 2rem;
}

/* 选项卡样式 */
.custom-tabs {
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 2rem;
    display: flex;
    overflow-x: auto;
    scrollbar-width: none; /* Firefox */
}

.custom-tabs::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Edge */
}

.custom-tab {
    padding: 1rem 1.5rem;
    font-weight: 600;
    color: var(--text-color);
    border-bottom: 3px solid transparent;
    transition: all 0.3s ease;
    white-space: nowrap;
    display: flex;
    align-items: center;
    text-decoration: none;
}

.custom-tab:hover {
    color: var(--primary-color);
    text-decoration: none;
}

.custom-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.custom-tab i {
    margin-right: 8px;
    font-size: 1.1rem;
}

/* 表单样式 */
.search-form {
    background-color: #f8f9fa;
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
}

.form-label {
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.form-control, .form-select {
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.6rem 1rem;
    transition: all 0.3s ease;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
}

.btn-primary {
    background: linear-gradient(to right, var(--primary-color), var(--primary-dark));
    border: none;
    border-radius: 6px;
    padding: 0.6rem 1.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    background: linear-gradient(to right, var(--primary-dark), var(--primary-color));
}

.btn-success {
    background: linear-gradient(to right, var(--secondary-color), #27ae60);
    border: none;
    border-radius: 6px;
    padding: 0.6rem 1.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* 表格样式 */
.table-container {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.05);
    margin-bottom: 2rem;
}

.table {
    table-layout: fixed;
    width: 100%;
    margin-bottom: 0;
}

.table thead th {
    background: linear-gradient(to right, var(--gradient-start), var(--gradient-end));
    color: white;
    font-weight: 600;
    padding: 1rem;
    border: none;
}

.table th, .table td {
    padding: 1rem;
    vertical-align: middle;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    border-color: var(--border-color);
}

.table tbody tr:hover {
    background-color: #f8f9fa;
}

.table td:hover {
    white-space: normal;
    overflow: visible;
    position: relative;
    z-index: 1;
    background-color: #f8f9fa;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

/* 分页样式 */
.pagination {
    display: flex;
    justify-content: center;
    margin-top: 2rem;
}

.page-item .page-link {
    color: var(--secondary-color);
    border-radius: 4px;
    margin: 0 3px;
    transition: all 0.3s ease;
}

.page-item.active .page-link {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
}

.page-item .page-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

/* 试用提示样式 */
.trial-notice {
    background: linear-gradient(135deg, #f5f7fa, #f8f9fa);
    border-left: 4px solid var(--warning-color);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.trial-notice:before {
    content: '⚠️';
    position: absolute;
    top: -15px;
    right: 10px;
    font-size: 6rem;
    opacity: 0.1;
}

.trial-notice strong {
    color: var(--dark-color);
    display: block;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.trial-notice ul {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

.trial-notice li {
    margin-bottom: 0.5rem;
}

.trial-countdown {
    font-weight: 700;
    color: var(--danger-color);
}

/* 响应式调整 */
@media (max-width: 992px) {
    .page-header {
        padding: 2rem 0;
    }
    
    .page-title {
        font-size: 1.8rem;
    }
    
    .stat-item {
        min-width: 100px;
    }
}

@media (max-width: 768px) {
    .main-content {
        padding: 1.5rem;
    }
    
    .custom-tab {
        padding: 0.8rem 1rem;
    }
    
    .stats-container {
        display: none !important;
    }
    
    .stat-item {
        margin-bottom: 1rem;
        flex: 0 0 calc(50% - 0.5rem);
        margin-right: 0.5rem;
    }
}

/* 进度条样式 */
#progressContainer {
    padding: 1rem 1.5rem;
    display: none;
    background-color: #f8f9fa;
    border-top: 1px solid var(--border-color);
    width: 100%;
    position: relative;
    z-index: 1000 !important;
    margin-top: 10px;
    border-radius: 5px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

#progressContainer.active {
    display: block !important;
}

#progressContainer .progress {
    height: 15px;
    border-radius: 7px;
    background-color: #e0e0e0;
    overflow: hidden;
    width: 100%;
    margin: 0;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1);
}

#progressContainer .progress-bar {
    background: linear-gradient(to right, var(--gradient-start), var(--gradient-end));
    transition: width 0.3s ease;
    text-align: center;
    font-size: 12px;
    line-height: 15px;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    text-shadow: 0 1px 1px rgba(0, 0, 0, 0.3);
}

/* 模块标题和描述 */
.module-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.module-description {
    color: #666;
    margin-bottom: 1.5rem;
}

/* 内容区域样式 */
.content-section {
    margin-bottom: 2.5rem;
}

.content-section h3 {
    color: var(--primary-dark);
    font-weight: 600;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--light-color);
}

.content-section p {
    line-height: 1.8;
    margin-bottom: 1.2rem;
    text-align: justify;
}

.content-section ul {
    padding-left: 1.5rem;
    margin-bottom: 1.5rem;
}

.content-section li {
    margin-bottom: 0.8rem;
    line-height: 1.6;
}

.declaration-box {
    background-color: #f8f9fa;
    border-left: 4px solid var(--primary-color);
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 2rem;
}

.declaration-box p:last-child {
    margin-bottom: 0;
}

.highlight-text {
    font-weight: 600;
    color: var(--primary-dark);
}

/* 会员页面样式 */
.membership-box {
    text-align: center;
    padding: 3rem 2rem;
    background: linear-gradient(135deg, #f6f9fc, #f0f4f8);
    border-radius: 12px;
    margin-bottom: 2rem;
}

.membership-icon {
    font-size: 4rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.membership-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.membership-description {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.contact-info {
    display: inline-block;
    background-color: white;
    padding: 1.5rem 2.5rem;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    margin-top: 1rem;
}

.contact-label {
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.contact-value {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: 700;
}

.benefits-section {
    margin-top: 3rem;
}

.benefits-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 1.5rem;
    text-align: center;
}

.benefit-card {
    background-color: #f8f9fa;
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
    border-left: 4px solid var(--primary-color);
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
}

.benefit-icon {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.benefit-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 0.8rem;
}

.benefit-description {
    color: #666;
    line-height: 1.6;
}

/* 联系方式样式 */
.contact-info-section {
    background-color: #f8f9fa;
    border-radius: 8px;
    padding: 25px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.section-title {
    margin-bottom: 20px;
    color: #333;
    font-weight: 600;
}

.contact-methods {
    margin-top: 20px;
}

.contact-method-item {
    display: flex;
    margin-bottom: 25px;
    align-items: flex-start;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    flex-shrink: 0;
}

.contact-icon i {
    font-size: 24px;
    color: white;
}

.contact-details h4 {
    margin-bottom: 5px;
    font-size: 18px;
    font-weight: 600;
}

.contact-details p {
    margin-bottom: 5px;
    color: #555;
}

.qr-code-section {
    margin-top: 30px;
}

.qr-code-container {
    display: flex;
    align-items: center;
    background-color: white;
    border-radius: 8px;
    padding: 15px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.qr-code-image {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border-radius: 8px;
    margin-right: 15px;
}

.qr-code-instructions p {
    margin-bottom: 8px;
    color: #555;
}

/* FAQ样式 */
.faq-section {
    background-color: #f8f9fa;
    border-radius: 8px;
    padding: 25px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.accordion .card {
    margin-bottom: 10px;
    border: none;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    overflow: hidden;
}

.accordion .card-header {
    background-color: white;
    border-bottom: none;
    padding: 0;
}

.accordion .btn-link {
    color: #333;
    font-weight: 600;
    text-decoration: none;
    padding: 15px;
    position: relative;
}

.accordion .btn-link:hover, 
.accordion .btn-link:focus {
    text-decoration: none;
    color: #2575fc;
}

.accordion .card-body {
    padding: 15px 20px;
    background-color: #f8f9fa;
    border-top: 1px solid #eee;
}

/* 合作交流样式 */
.collaboration-section {
    background-color: #f8f9fa;
    border-radius: 8px;
    padding: 25px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.collaboration-list {
    padding-left: 20px;
}

.collaboration-list li {
    margin-bottom: 10px;
    position: relative;
    padding-left: 5px;
}

/* 法律声明样式 */
.legal-notice .card-header {
    background-color: #f0f2f5;
}

.legal-notice .card-body {
    background-color: #f8f9fa;
}

/* 声明框样式 */
.declaration-box {
    background-color: #f8f9fa;
    border-left: 4px solid #2575fc;
    padding: 20px;
    margin-bottom: 30px;
    border-radius: 0 8px 8px 0;
}

.highlight-text {
    font-weight: 600;
    color: #333;
}

/* 会员权益卡片样式 */
.benefit-card {
    background-color: #fff;
    border-radius: 8px;
    padding: 25px;
    margin-bottom: 25px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    height: 100%;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.benefit-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
}

.benefit-icon i {
    font-size: 24px;
    color: white;
}

.benefit-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    color: #333;
}

.benefit-description {
    color: #666;
    margin-bottom: 0;
}

/* 免责声明样式 */
.disclaimer-section .card-header {
    background-color: #f0f2f5;
}

.disclaimer-section .card-body {
    background-color: #f8f9fa;
}

.disclaimer-section ul {
    padding-left: 20px;
}

.disclaimer-section li {
    margin-bottom: 8px;
}

/* 页面通用样式 */
.page-header {
    background: linear-gradient(135deg, rgba(44, 62, 80, 0.95), rgba(52, 152, 219, 0.85)), url('https://source.unsplash.com/random/1600x800/?data,technology') no-repeat center center;
    background-size: cover;
    color: white;
    padding: 50px 0 30px;
    margin-bottom: 40px;
    box-shadow: 0 3px 20px rgba(0, 0, 0, 0.15);
}

.page-title {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 10px;
}

.page-description {
    font-size: 18px;
    opacity: 0.9;
}

.main-content {
    padding-bottom: 50px;
}

.content-section {
    margin-bottom: 40px;
}

.content-section h3 {
    margin-bottom: 20px;
    color: #333;
    font-weight: 600;
}

/* 警告框样式 */
.alert {
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.alert-heading {
    margin-bottom: 15px;
    color: inherit;
}

/* 导航按钮样式 */
.btn-nav {
    display: inline-block;
    padding: 8px 15px;
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border-radius: 5px;
    text-decoration: none;
    transition: background 0.3s ease;
}

.btn-nav:hover {
    background: rgba(255, 255, 255, 0.25);
    color: white;
    text-decoration: none;
}

.btn-nav.active {
    background: rgba(255, 255, 255, 0.3);
    font-weight: 600;
}

/* 响应式调整 */
@media (max-width: 767px) {
    .page-header {
        padding: 30px 0 20px;
        margin-bottom: 30px;
    }
    
    .page-title {
        font-size: 26px;
    }
    
    .page-description {
        font-size: 16px;
    }
    
    .qr-code-container {
        flex-direction: column;
        align-items: center;
    }
    
    .qr-code-image {
        margin-right: 0;
        margin-bottom: 15px;
    }
    
    .qr-code-instructions {
        text-align: center;
    }
}

/* 重新设计的模块选项卡 */
.module-tabs-container {
    margin-bottom: 2rem;
    background: linear-gradient(to right, rgba(44, 62, 80, 0.05), rgba(52, 152, 219, 0.05));
    border-radius: 10px;
    padding: 0.8rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.module-tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0.8rem;
    align-items: stretch;
}

.module-tab {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.2rem 0.8rem;
    border-radius: 8px;
    background-color: white;
    color: var(--text-color);
    text-decoration: none;
    transition: all 0.3s ease;
    text-align: center;
    min-width: 100px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    border: 1px solid transparent;
    height: 120px;
}

.module-tab i {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
    transition: all 0.3s ease;
}

.module-tab span {
    font-weight: 600;
    font-size: 0.9rem;
    display: block;
    line-height: 1.2;
    width: 100%;
    word-wrap: break-word;
}

.module-tab:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    text-decoration: none;
    color: var(--secondary-color);
}

.module-tab:hover i {
    transform: scale(1.1);
}

.module-tab.active {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
    border-color: rgba(255, 255, 255, 0.2);
}

.module-tab.active i {
    color: white;
}

/* 重新设计的搜索表单 */
.search-panel {
    background: white;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    margin-bottom: 2rem;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.search-form {
    background: none;
    border: none;
    border-radius: 0;
    padding: 0;
    margin: 0;
}

.search-form-content {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    padding: 1.5rem;
    background: linear-gradient(to right, #f5f7fa, #ffffff);
    border-bottom: 1px solid var(--border-color);
    position: relative;
    align-items: flex-end;
}

.search-form-group {
    flex: 1;
    min-width: 200px;
    display: flex;
    flex-direction: column;
}

.search-form-group.keyword-group {
    flex: 2;
    min-width: 300px;
    display: flex;
    flex-direction: column;
}

.search-form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
    width: 100%;
}

.search-form-group label i {
    color: var(--secondary-color);
    margin-right: 0.5rem;
}

.search-form-group .form-control,
.search-form-group .custom-select {
    width: 100%;
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    padding: 0.7rem 1rem;
    font-size: 0.95rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.search-form-group .form-control:focus,
.search-form-group .custom-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
}

.search-form-group .input-group {
    display: flex;
    width: 100%;
    align-items: center;
    flex-wrap: nowrap;
}

.search-form-group .input-group-append {
    margin-left: 30px !important;
    white-space: nowrap;
    flex-shrink: 0;
}

.search-form-group .btn-translate {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
    border: none;
    border-radius: 6px;
    padding: 0.7rem 1.2rem;
    font-weight: 600;
    transition: all 0.3s ease;
    height: 42px;
    white-space: nowrap;
}

.search-form-group .btn-translate:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--secondary-color));
    transform: translateX(2px);
}

.search-form-group.checkbox-group {
    display: inline-flex;
    align-items: center;
    min-width: auto;
    margin-left: 30px !important;
    flex: 0 0 auto;
    margin-bottom: 0;
    white-space: nowrap;
}

.search-form-actions {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding: 1rem 1.5rem;
    background-color: #f8f9fa;
    gap: 1rem;
}

.btn-search {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
    border: none;
    padding: 0.7rem 1.5rem;
    border-radius: 6px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.btn-search:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.btn-export {
    background: linear-gradient(135deg, #2c3e50, #27ae60);
    color: white;
    border: none;
    padding: 0.7rem 1.5rem;
    border-radius: 6px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.btn-export:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
    color: white;
    text-decoration: none;
}

.btn-export-disabled {
    background: #95a5a6;
    color: white;
    border: none;
    padding: 0.7rem 1.5rem;
    border-radius: 6px;
    font-weight: 600;
    opacity: 0.7;
}

#progressContainer {
    padding: 1rem 1.5rem;
    display: none;
    background-color: #f8f9fa;
    border-top: 1px solid var(--border-color);
}

#progressContainer .progress {
    height: 10px;
    border-radius: 5px;
    background-color: #e0e0e0;
    overflow: hidden;
}

#progressContainer .progress-bar {
    background: linear-gradient(to right, var(--gradient-start), var(--gradient-end));
    transition: width 0.3s ease;
    text-align: center;
    font-size: 10px;
    line-height: 10px;
    color: white;
}

/* 响应式调整 */
@media (max-width: 992px) {
    .module-tabs {
        overflow-x: auto;
        padding-bottom: 5px;
    }
    
    .module-tab {
        min-width: 120px;
        height: 120px;
    }
    
    .search-form-group {
        min-width: 100%;
    }
    
    .search-form-group .input-group-append,
    .search-form-group.checkbox-group {
        position: static;
        margin-top: 10px;
    }
    
    .search-form-content {
        align-items: flex-start;
    }
    
    .search-form-group.checkbox-group {
        margin-top: 10px;
        margin-left: 0;
    }
    
    .search-form-group .input-group-append {
        margin-top: 10px;
        margin-left: 0;
    }
}

@media (max-width: 768px) {
    .search-form-actions {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .btn-search, .btn-export, .btn-export-disabled {
        width: 100%;
    }
}

@media (max-width: 576px) {
    .module-tabs {
        justify-content: center;
    }
    
    .module-tab {
        min-width: 45%;
        height: 120px;
    }
}

.custom-control {
    position: relative;
    display: block;
    min-height: 1.5rem;
    padding-left: 1.5rem;
}

.custom-control-input {
    position: absolute;
    z-index: -1;
    opacity: 0;
}

.custom-control-label {
    position: relative;
    margin-bottom: 0;
    vertical-align: top;
    cursor: pointer;
    user-select: none;
    white-space: nowrap;
}

.custom-control-label::before {
    position: absolute;
    top: 0.25rem;
    left: -1.5rem;
    display: block;
    width: 1rem;
    height: 1rem;
    pointer-events: none;
    content: "";
    background-color: #fff;
    border: 1px solid #adb5bd;
    border-radius: 0.25rem;
}

.custom-control-label::after {
    position: absolute;
    top: 0.25rem;
    left: -1.5rem;
    display: block;
    width: 1rem;
    height: 1rem;
    content: "";
    background: no-repeat 50% / 50% 50%;
}

.custom-control-input:checked ~ .custom-control-label::before {
    color: #fff;
    border-color: var(--secondary-color);
    background-color: var(--secondary-color);
}

.custom-control-input:checked ~ .custom-control-label::after {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3e%3cpath fill='%23fff' d='M6.564.75l-3.59 3.612-1.538-1.55L0 4.26 2.974 7.25 8 2.193z'/%3e%3c/svg%3e");
}

/* 两排模块选项卡布局 */
.module-tabs-row {
    width: 100%;
    display: flex;
    justify-content: center;
}
.module-tabs-row + .module-tabs-row {
    margin-top: 18px;
}
.module-tabs {
    width: 100%;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    gap: 0.8rem;
    align-items: stretch;
}