/* 计算器样式 - 可复用的设计系统 */
:root {
    /* 颜色变量 */
    --primary-color: #004a7c;
    --secondary-color: #3498db;
    --success-color: #2ecc71;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --info-color: #17a2b8;
    --accent-color: #e67e22;
    
    /* 背景渐变 */
    --bg-gradient: linear-gradient(135deg, #1a2a6c, #2c5364);
    --header-gradient: linear-gradient(to right, #004a7c, #0066a6);
    --button-gradient: linear-gradient(to right, #2ecc71, #27ae60);
    
    /* 纯色背景（用于移动设备性能优化） */
    --bg-gradient-mobile: #1a2a6c;
    --header-gradient-mobile: #004a7c;
    --button-gradient-mobile: #2ecc71;
    
    /* 文本颜色 */
    --text-primary: #2c3e50;
    --text-secondary: #7f8c8d;
    --text-light: #ecf0f1;
    --text-muted: #95a5a6;
    
    /* 背景颜色 */
    --bg-white: rgba(255, 255, 255, 0.98);
    --bg-light: #f8fafc;
    --bg-primary: #e6f0f7;
    --bg-success: #e6f7ff;
    --bg-warning: #fdf6e3;
    --bg-info: #e9f7fe;
    
    /* 边框和阴影 */
    --border-radius: 12px;
    --border-color: #d1e0e0;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 10px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.25);
    
    /* 间距 */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    /* 字体大小 */
    --font-xs: 0.85rem;
    --font-sm: 0.95rem;
    --font-md: 1rem;
    --font-lg: 1.2rem;
    --font-xl: 1.5rem;
    --font-2xl: 1.8rem;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    -webkit-tap-highlight-color: transparent;
}

body {
    background: var(--bg-gradient);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding: var(--spacing-md);
    color: var(--text-primary);
    line-height: 1.6;
}

.container {
    background: var(--bg-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    overflow: hidden;
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* 头部样式 */
header.header {
    background: var(--header-gradient);
    color: var(--text-light);
    padding: var(--spacing-lg);
    text-align: center;
    position: relative;
}

header.header h1 {
    font-size: var(--font-2xl);
    margin-bottom: var(--spacing-xs);
    font-weight: 700;
    letter-spacing: 0.5px;
}

header.header p {
    font-size: var(--font-md);
    opacity: 0.95;
    font-weight: 300;
}

.home-link { 
    position: absolute; 
    top: var(--spacing-md); 
    left: var(--spacing-md); 
    font-size: 24px; 
    color: white; 
    text-decoration: none; 
    z-index: 10; 
    padding: var(--spacing-xs);
    border-radius: 50%;
    transition: background-color 0.3s;
}

.home-link:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

/* 主内容区域 */
main.main-content {
    padding: var(--spacing-lg);
    flex: 1;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

/* 区块样式 */
section {
    background: var(--bg-light);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.section-title {
    font-size: var(--font-lg);
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--secondary-color);
    font-weight: 600;
    display: flex;
    align-items: center;
}

.section-title i {
    margin-right: var(--spacing-sm);
    font-size: 1.4rem;
}

/* 输入组样式 */
.input-group {
    margin-bottom: var(--spacing-md);
}

.input-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    font-size: var(--font-md);
    color: var(--text-primary);
    display: flex;
    align-items: center;
}

.input-group label i {
    margin-right: var(--spacing-sm);
    color: var(--secondary-color);
    font-size: 1.1rem;
}

.input-group input {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: var(--font-md);
    background: white;
    transition: all 0.3s;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1);
}

.input-group input:focus {
    border-color: var(--secondary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
}

.input-group input.error {
    border-color: var(--danger-color);
    box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.2);
}

/* 选择框样式 - 复用输入框样式 */
.input-group select {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: var(--font-md);
    background: white;
    transition: all 0.3s;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1);
    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 var(--spacing-sm) center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: calc(var(--spacing-md) * 2 + 1.5em);
}

.input-group select:focus {
    border-color: var(--secondary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
}

.input-group select.error {
    border-color: var(--danger-color);
    box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.2);
}

.error-message {
    color: var(--danger-color);
    font-size: var(--font-xs);
    margin-top: var(--spacing-xs);
    display: none;
}

.error-message.show {
    display: block;
}

.input-hint {
    font-size: var(--font-xs);
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
    margin-left: 2px;
}

/* 结果区域样式 */
.results-section {
    background: var(--bg-success);
}

.result-card {
    background: white;
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    border-left: 4px solid var(--secondary-color);
    box-shadow: var(--shadow-sm);
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.result-title {
    font-size: var(--font-lg);
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
}

.result-title i {
    margin-right: var(--spacing-sm);
    color: var(--danger-color);
}

.result-value {
    font-size: var(--font-xl);
    font-weight: 800;
    color: var(--primary-color);
    text-align: right;
    min-width: 110px;
    padding-left: var(--spacing-sm);
}

.result-formula {
    font-size: var(--font-xs);
    color: #555;
    background: #f8f9fa;
    padding: var(--spacing-sm);
    border-radius: 8px;
    font-family: 'Courier New', monospace;
    margin-top: var(--spacing-sm);
    overflow-x: auto;
    white-space: nowrap;
}

/* 按钮样式 */
.calculate-btn {
    background: var(--button-gradient);
    color: white;
    border: none;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    font-size: var(--font-lg);
    font-weight: 600;
    cursor: pointer;
    width: 100%;
    margin: var(--spacing-md) 0 var(--spacing-xs);
    box-shadow: 0 4px 10px rgba(46, 204, 113, 0.3);
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.3s;
    position: relative;
}

.calculate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(46, 204, 113, 0.4);
}

.calculate-btn:active {
    transform: translateY(0);
}

/* 简化loading状态的动画效果 */
.calculate-btn.loading {
    position: relative;
}

.calculate-btn.loading i {
    animation: loading-spin 1s linear infinite;
}

@keyframes loading-spin {
    to {
        transform: rotate(360deg);
    }
}

.calculate-btn i {
    margin-right: var(--spacing-sm);
    font-size: 1.3rem;
}

.action-buttons {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.action-btn {
    flex: 1;
    padding: var(--spacing-sm);
    border: none;
    border-radius: var(--border-radius);
    font-size: var(--font-sm);
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

.copy-btn {
    background: var(--secondary-color);
    color: white;
}

.copy-btn:hover {
    background: #2980b9;
}

.clear-btn {
    background: var(--danger-color);
    color: white;
}

.clear-btn:hover {
    background: #c0392b;
}

/* 历史记录和缓存统计按钮现在使用统一的 btn-secondary 样式 */

/* 自适应宽度按钮样式 */
.action-buttons-flex {
    display: flex;
    gap: 0.75rem;
    width: 100%;
}

.btn-flex {
    flex: 1;
    min-width: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 标签按钮自适应宽度样式 */
.tabs-flex {
    display: flex;
    gap: 0.5rem;
    width: 100%;
    margin-bottom: 1rem;
}

.tab-flex {
    flex: 1;
    min-width: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    text-align: center;
}

/* 确保按钮在小屏幕上也能正常显示 */
@media (max-width: 640px) {
    .action-buttons-flex {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .btn-flex {
        flex: none;
        width: 100%;
    }
    
    .tabs-flex {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .tab-flex {
        flex: none;
        width: 100%;
    }
}

/* 中等屏幕优化 */
@media (min-width: 641px) and (max-width: 768px) {
    .action-buttons-flex {
        flex-wrap: wrap;
    }
    
    .btn-flex {
        flex: 1 1 calc(50% - 0.375rem);
        min-width: 120px;
    }
    
    .tabs-flex {
        gap: 0.375rem;
    }
    
    .tab-flex {
        min-width: 100px;
    }
}

/* 提示消息样式 */
.toast {
    position: fixed;
    top: 50%;
    left: 50%;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    color: white;
    font-weight: 600;
    z-index: 1000;
    transform: translate(-50%, -50%);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    min-width: 200px;
    text-align: center;
}

.toast.show {
    opacity: 1;
    visibility: visible;
}

.toast.success {
    background: var(--success-color);
}

.toast.error {
    background: linear-gradient(135deg, #ff6b6b, #ee5a52);
}

.toast.info {
    background: var(--info-color);
}

/* 底部导航栏样式 */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-around;
    padding: var(--spacing-sm) 0;
    z-index: 999;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.05);
}

.bottom-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: var(--text-secondary);
    transition: all 0.3s;
    padding: var(--spacing-xs);
    flex: 1;
    max-width: 25%;
}

.bottom-nav-item i {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.bottom-nav-item span {
    font-size: var(--font-xs);
}

.bottom-nav-item.active {
    color: var(--primary-color);
    font-weight: 600;
}

/* 主内容区底部留白，避免被导航栏遮挡 */
.main-content {
    padding-bottom: calc(var(--spacing-xl) * 2);
}

/* 确保容器有足够的内边距，防止内容被导航栏遮挡 */
.container {
    padding-bottom: 60px;
}

/* 公式和示例区域 */
.formula-section {
    background: var(--bg-info);
}

.formula-title {
    font-size: var(--font-lg);
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    display: flex;
    align-items: center;
}

.formula-title i {
    margin-right: var(--spacing-sm);
    color: var(--warning-color);
}

.formula-content {
    font-size: var(--font-sm);
    background: white;
    padding: var(--spacing-sm);
    border-radius: 8px;
    border-left: 4px solid var(--secondary-color);
    overflow-x: auto;
}

.formula-item {
    margin: var(--spacing-sm) 0;
    padding-left: var(--spacing-sm);
    border-left: 3px solid var(--secondary-color);
}

.example-section {
    background: var(--bg-warning);
}

.example-title {
    font-size: var(--font-lg);
    color: #d35400;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    display: flex;
    align-items: center;
}

.example-title i {
    margin-right: var(--spacing-sm);
    color: #e67e22;
}

.example-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xs);
    text-align: left;
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    font-size: var(--font-xs);
}

.example-row {
    display: contents;
}

.example-label {
    padding: var(--spacing-sm);
    background: #f8f9fa;
    font-weight: 600;
}

.example-value {
    padding: var(--spacing-sm);
    border-bottom: 1px solid #eee;
}

.highlight {
    background-color: #fffacd;
    font-weight: 600;
}

/* 页脚样式 */
footer.footer {
    text-align: center;
    padding: calc(var(--spacing-md) / 2); /* 高度减半 */
    color: var(--text-secondary);
    font-size: var(--font-xs);
    background: #f8f9fa;
    border-top: 1px solid #eaeaea;
    display: flex;
    justify-content: center;
    align-items: center;
    height: auto; /* 自动高度 */
}

/* 移除银行信息样式 */
.bank-info {
    display: none;
}

/* 响应式设计 */
@media (max-width: 480px) {
    /* 移动设备使用纯色背景替代渐变以提高性能 */
    body {
        background: var(--bg-gradient-mobile);
        padding: var(--spacing-sm);
    }
    
    header.header {
        background: var(--header-gradient-mobile);
        padding: var(--spacing-md);
    }
    
    header.header h1 {
        font-size: var(--font-xl);
    }
    
    .calculate-btn {
        background: var(--button-gradient-mobile);
        padding: var(--spacing-sm);
        font-size: var(--font-md);
        transition: transform 0.2s, box-shadow 0.2s; /* 简化过渡效果 */
    }
    
    main.main-content {
        padding: var(--spacing-md);
    }
    
    section {
        padding: var(--spacing-md);
    }
    
    .input-group input {
        padding: var(--spacing-sm);
    }
    
    .calculate-btn {
        padding: var(--spacing-sm);
        font-size: var(--font-md);
    }
}

@media (min-width: 481px) and (max-width: 768px) {
    .container {
        max-width: 90%;
    }
}

@media (min-width: 769px) {
    body {
        padding: var(--spacing-lg);
    }
    
    .container {
        max-width: 700px;
    }
    
    header.header {
        padding: var(--spacing-lg);
    }
    
    header.header h1 {
        font-size: 2.2rem;
    }
    
    main.main-content {
        padding: var(--spacing-lg);
    }
    
    section {
        padding: var(--spacing-lg);
    }
}

@media (max-height: 600px) {
    main.main-content {
        overflow-y: visible;
    }
}

/* 修复移动端滚动问题 */
html, body {
    height: 100%;
    overflow: hidden;
}

main.main-content {
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

/* 模态框样式 */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.modal-content {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 600px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-light);
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.modal-header h3 {
    margin: 0;
    color: var(--primary-color);
    font-size: var(--font-lg);
    display: flex;
    align-items: center;
}

.modal-header h3 i {
    margin-right: var(--spacing-sm);
}

.modal-close {
    background: none;
    border: none;
    font-size: var(--font-lg);
    cursor: pointer;
    color: var(--text-secondary);
    padding: var(--spacing-xs);
    border-radius: 50%;
    transition: all 0.3s;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.modal-body {
    padding: var(--spacing-lg);
    overflow-y: auto;
    flex: 1;
}

/* 历史记录样式 */
.history-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

.history-count {
    font-size: var(--font-sm);
    color: var(--text-secondary);
}

.history-list {
    max-height: 400px;
    overflow-y: auto;
}

.no-history {
    text-align: center;
    color: var(--text-secondary);
    padding: var(--spacing-xl);
    font-style: italic;
}

.history-item {
    background: var(--bg-light);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    border-left: 4px solid var(--secondary-color);
    transition: all 0.3s;
}

.history-item:hover {
    background: white;
    box-shadow: var(--shadow-sm);
    transform: translateX(2px);
}

.history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.history-title {
    font-weight: 600;
    color: var(--text-primary);
    font-size: var(--font-md);
}

.history-actions {
    display: flex;
    gap: var(--spacing-xs);
}

.history-details {
    font-size: var(--font-sm);
}

.history-inputs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
}

.history-inputs span {
    background: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 6px;
    font-size: var(--font-xs);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.history-results {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
}

.result-highlight {
    background: var(--bg-success);
    color: var(--primary-color);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 6px;
    font-weight: 600;
    font-size: var(--font-xs);
}

.history-time {
    color: var(--text-muted);
    font-size: var(--font-xs);
    text-align: right;
}

/* 按钮样式 */
.btn {
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: var(--font-sm);
    font-weight: 600;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.btn-small {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-xs);
}

.btn-primary {
    background: var(--secondary-color);
    color: white;
}

.btn-primary:hover {
    background: #2980b9;
    transform: translateY(-1px);
}

.btn-danger {
    background: var(--danger-color);
    color: white;
}

.btn-danger:hover {
    background: #c0392b;
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--text-secondary);
    color: white;
}

.btn-secondary:hover {
    background: #6c757d;
}

/* 统计模态框样式 */
.stats-content {
    background: var(--bg-light);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    font-family: 'Courier New', monospace;
    font-size: var(--font-sm);
    line-height: 1.6;
    color: var(--text-primary);
    white-space: pre-wrap;
    margin-bottom: var(--spacing-md);
}

.stats-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
}

/* 移动端优化 */
@media (max-width: 480px) {
    .modal {
        padding: var(--spacing-sm);
    }
    
    .modal-content {
        max-height: 90vh;
    }
    
    .modal-header {
        padding: var(--spacing-md);
    }
    
    .modal-body {
        padding: var(--spacing-md);
    }
    
    .history-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
    
    .history-actions {
        align-self: flex-end;
    }
    
    .history-inputs {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .history-results {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .stats-actions {
        flex-direction: column;
    }
    
    .action-buttons {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
}

/* 平板设备优化 */
@media (min-width: 481px) and (max-width: 768px) {
    .modal-content {
        max-width: 90%;
    }
    
    .history-inputs span {
        font-size: var(--font-sm);
    }
    
    .result-highlight {
        font-size: var(--font-sm);
    }
}

/* 桌面端优化 */
@media (min-width: 769px) {
    .modal-content {
        max-width: 700px;
    }
    
    .history-list {
        max-height: 500px;
    }
    
    .action-buttons {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: var(--spacing-sm);
    }
}

/* 滚动条样式 */
.history-list::-webkit-scrollbar,
.modal-body::-webkit-scrollbar {
    width: 6px;
}

.history-list::-webkit-scrollbar-track,
.modal-body::-webkit-scrollbar-track {
    background: var(--bg-light);
    border-radius: 3px;
}

.history-list::-webkit-scrollbar-thumb,
.modal-body::-webkit-scrollbar-thumb {
    background: var(--text-secondary);
    border-radius: 3px;
}

.history-list::-webkit-scrollbar-thumb:hover,
.modal-body::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

/* ========== 贷款计算器特定样式 ========== */

/* 标签页样式 */
.tab-container {
    margin-bottom: var(--spacing-lg);
    position: relative;
    overflow: hidden;
    width: 100%;
}

.tabs {
    display: flex;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: var(--spacing-lg);
    background: var(--bg-light);
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    padding: 0;
    position: relative;
    overflow: hidden;
}

/* 隐藏任何可能的右侧箭头或图标 */
.tab-container > *:not(.tabs),
.tab-container .arrow-icon,
.tabs::after,
.tab-container::after,
.tabs .tab:last-child::after {
    display: none !important;
    visibility: hidden !important;
    width: 0 !important;
    height: 0 !important;
}

/* 三个按钮横向铺满 */
.tab {
    flex: 1;
    padding: var(--spacing-md) var(--spacing-sm);
    cursor: pointer;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    transition: all 0.2s ease;
    background: var(--bg-light);
    border: none;
    outline: none;
    font-size: var(--font-md);
    position: relative;
    z-index: 1;
    text-align: center;
}

/* 突出选中按钮的背景色 */
.tab.active {
    color: white;
    background: var(--primary-color);
    border-bottom-color: var(--primary-color);
    border-radius: 0;
    box-shadow: 0 4px 12px rgba(0, 74, 124, 0.3);
    transform: none;
    font-weight: 700;
}

.tab:hover:not(.active) {
    color: var(--primary-color);
    background: rgba(0, 74, 124, 0.08);
    transform: none;
}

/* 移动端优化 */
@media (max-width: 480px) {
    .tab {
        padding: var(--spacing-sm) var(--spacing-xs);
        font-size: var(--font-sm);
    }
}

/* 标签内容 */
.tab-content {
    display: none;
    padding: var(--spacing-lg);
    background: white;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    border: 1px solid var(--border-color);
    border-top: none;
    box-shadow: var(--shadow-sm);
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 还款计划表样式 */
.repayment-table-container {
    border-radius: var(--border-radius);
    background: white;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    overflow: hidden;
    margin-top: var(--spacing-lg);
    max-height: 500px;
    overflow-y: auto;
    will-change: transform;
}

/* 优化表格布局 */
.repayment-table {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed;
    font-size: calc(var(--font-xs) * 0.95);
    will-change: transform;
}

.repayment-table th,
.repayment-table td {
    padding: var(--spacing-xs);
    text-align: right;
    border: 1px solid var(--border-color);
    transition: background-color 0.15s ease-in-out;
    word-wrap: break-word;
    line-height: 1.2;
    white-space: normal;
}

.repayment-table th {
    background: var(--primary-color);
    color: white;
    font-weight: 600;
    position: sticky;
    top: 0;
    z-index: 10;
    padding: var(--spacing-sm);
    font-size: calc(var(--font-xs) * 0.9);
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
    text-align: center;
}

.repayment-table td {
    background: white;
}

.repayment-table tr:nth-child(even) td {
    background: var(--bg-light);
}

.repayment-table tr:hover td {
    background-color: var(--bg-info);
}

/* 表格列宽度 */
.repayment-table th:nth-child(1), .repayment-table td:nth-child(1) { width: 8%; min-width: 50px; text-align: center; }
.repayment-table th:nth-child(2), .repayment-table td:nth-child(2) { width: 10%; min-width: 70px; }
.repayment-table th:nth-child(3), .repayment-table td:nth-child(3) { width: 15%; min-width: 100px; }
.repayment-table th:nth-child(4), .repayment-table td:nth-child(4) { width: 15%; min-width: 100px; }
.repayment-table th:nth-child(5), .repayment-table td:nth-child(5) { width: 15%; min-width: 100px; }
.repayment-table th:nth-child(6), .repayment-table td:nth-child(6) { width: 15%; min-width: 100px; }
.repayment-table th:nth-child(7), .repayment-table td:nth-child(7) { width: 15%; min-width: 100px; }
.repayment-table th:nth-child(8), .repayment-table td:nth-child(8) { width: 7%; min-width: 40px; }

/* 表格特殊样式 */
.repayment-table td:first-child {
    font-weight: 600;
    color: var(--primary-color);
}

.repayment-table td:last-child {
    font-weight: 700;
    color: var(--accent-color);
}

/* 结果汇总卡片 */
.result-summary {
    background: white;
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    margin-top: var(--spacing-lg);
    transition: all 0.3s ease;
}

.result-summary:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.result-summary h3 {
    color: var(--primary-color);
    margin-top: 0;
    margin-bottom: var(--spacing-md);
    font-size: var(--font-lg);
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: var(--spacing-sm);
    display: inline-block;
}

.summary-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.summary-card {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border: 2px solid var(--border-color);
    transition: all 0.2s ease;
}

.summary-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
    border-color: var(--primary-color);
}

.summary-card h4 {
    color: var(--text-secondary);
    margin-top: 0;
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.summary-card .value {
    color: var(--text-primary);
    font-size: var(--font-xl);
    font-weight: 700;
    font-family: 'Courier New', monospace;
    margin: 0;
}

.summary-card.primary {
    border-color: var(--primary-color);
    background: var(--bg-primary);
}

.summary-card.primary .value {
    color: var(--primary-color);
}

.summary-card.success {
    border-color: var(--success-color);
    background: var(--bg-success);
}

.summary-card.success .value {
    color: var(--success-color);
}

.summary-card.warning {
    border-color: var(--warning-color);
    background: var(--bg-warning);
}

.summary-card.warning .value {
    color: var(--warning-color);
}

.summary-card.danger {
    border-color: var(--danger-color);
    background: #fff5f5;
}

.summary-card.danger .value {
    color: var(--danger-color);
}

/* 日期输入组 */
.date-inputs {
    background: var(--bg-light);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--border-color);
}

.term-selector {
    background: var(--bg-light);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--border-color);
}

/* 还款计划表样式 */
.schedule-container {
    overflow-x: auto;
    margin-top: var(--spacing-lg);
    border-radius: var(--border-radius);
    background: white;
    box-shadow: var(--shadow-sm);
}

.repayment-schedule {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-sm);
}

.repayment-schedule th,
.repayment-schedule td {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: center;
    border: 1px solid var(--border-color);
}

.repayment-schedule th {
    background: var(--primary-color);
    color: white;
    font-weight: 600;
    padding: var(--spacing-md);
}

.repayment-schedule tr:nth-child(even) {
    background: var(--bg-light);
}

.repayment-schedule tr:hover {
    background: var(--bg-success);
}

/* ========== 还款利息计算器特定样式 ========== */

/* 双栏布局 */
.two-column-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-lg);
}

.left-column,
.right-column {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

/* 信息区域样式 */
.info-section {
    background: var(--bg-light);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.info-section p {
    line-height: 1.6;
    color: var(--text-secondary);
    margin: 0;
}

/* 输入区域样式 */
.input-section {
    background: white;
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    position: relative;
}

.input-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--primary-color);
}

.input-section:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
    border-color: var(--primary-color);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

.section-header h2 {
    color: var(--primary-color);
    margin: 0;
    font-size: var(--font-lg);
}

.badge {
    background: var(--primary-color);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 20px;
    font-size: var(--font-sm);
    font-weight: 600;
    transition: all 0.3s ease;
}

.badge:hover {
    background: var(--secondary-color);
    transform: scale(1.05);
}

/* 还款记录列表 */
.repayment-list-container {
    border-top: 1px solid var(--border-color);
    padding-top: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    transition: all 0.3s ease;
}

.repayment-list-container:hover {
    border-color: var(--secondary-color);
}

.subtitle {
    font-size: var(--font-md);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.repayment-list {
    max-height: 300px;
    overflow-y: auto;
    margin-bottom: var(--spacing-md);
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) var(--bg-light);
}

.repayment-list::-webkit-scrollbar {
    width: 6px;
}

.repayment-list::-webkit-scrollbar-track {
    background: var(--bg-light);
    border-radius: 3px;
}

.repayment-list::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.repayment-list::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/* 空状态样式 */
.empty-state {
    text-align: center;
    color: var(--text-muted);
    padding: var(--spacing-xl);
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-light);
    transition: all 0.3s ease;
}

.empty-state:hover {
    border-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.empty-state i {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-muted);
    display: block;
    transition: all 0.3s ease;
}

.empty-state:hover i {
    color: var(--secondary-color);
    transform: scale(1.1);
}

.empty-state p {
    margin: 0;
    font-size: var(--font-md);
}

/* 加载状态 */
.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    color: var(--text-muted);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: var(--spacing-md);
}

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

/* 客户信息摘要 */
.customer-summary {
    background: white;
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.customer-summary:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.customer-summary h3 {
    color: var(--primary-color);
    margin-top: 0;
    margin-bottom: var(--spacing-md);
    font-size: var(--font-lg);
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: var(--spacing-sm);
    display: inline-block;
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.summary-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    background: white;
    border: 1px solid var(--border-color);
    transition: all 0.2s ease;
}

.summary-item:hover {
    background: var(--bg-info);
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

.summary-label {
    font-size: var(--font-sm);
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.summary-value {
    font-size: var(--font-lg);
    color: var(--primary-color);
    font-weight: 700;
    font-family: 'Courier New', monospace;
}

/* 结果容器 */
.result-container {
    flex: 1;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    background: white;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-lg);
    transition: all 0.3s ease;
}

.result-container:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--primary-color);
}

.result-header h2 {
    color: var(--primary-color);
    margin: 0;
    font-size: var(--font-lg);
}

/* 总计信息 */
.total-info {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 2px solid var(--border-color);
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.total-info h3 {
    color: var(--accent-color);
    margin-top: 0;
    margin-bottom: var(--spacing-md);
    font-size: var(--font-lg);
    border-bottom: 2px solid var(--accent-color);
    padding-bottom: var(--spacing-sm);
    display: inline-block;
}

.total-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-md);
}

.total-item {
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
    position: relative;
}

.total-item.success {
    background: var(--bg-success);
    border: 2px solid var(--success-color);
}

.total-item.primary {
    background: var(--bg-primary);
    border: 2px solid var(--primary-color);
}

.total-item.warning {
    background: var(--bg-warning);
    border: 2px solid var(--warning-color);
}

.total-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
}

.total-label {
    font-size: var(--font-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.total-value {
    font-size: calc(var(--font-lg) * 1.2);
    font-weight: 700;
    color: var(--text-primary);
    font-family: 'Courier New', monospace;
}

.total-item.success .total-value {
    color: var(--success-color);
}

.total-item.primary .total-value {
    color: var(--primary-color);
}

.total-item.warning .total-value {
    color: var(--warning-color);
}

.total-item.danger {
    background: #fff5f5;
    border: 2px solid var(--danger-color);
}

.total-item.danger .total-value {
    color: var(--danger-color);
}

/* 表格样式优化 */
.table-container {
    border-radius: var(--border-radius);
    background: white;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    margin-bottom: var(--spacing-lg);
    max-height: 400px;
    overflow-y: auto;
    will-change: transform;
}

/* 响应式设计 */
@media (min-width: 769px) {
    .two-column-layout {
        grid-template-columns: 1fr 1.5fr;
    }
}

@media (min-width: 481px) and (max-width: 768px) {
    .two-column-layout {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .summary-grid,
    .total-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
    
    .summary-grid {
        grid-template-columns: 1fr;
    }
    
    .total-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .info-section,
    .input-section {
        padding: var(--spacing-md);
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
    
    .badge {
        align-self: flex-start;
    }
    
    /* 调整表格容器宽度 */
    .repayment-table-container {
        width: 100%;
        overflow-x: auto;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .repayment-table {
        min-width: 768px;
    }
    
    /* 调整操作按钮组 */
    .action-buttons {
        flex-direction: column;
    }
    
    /* 调整汇总卡片 */
    .summary-cards {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
    
    /* 调整标签 */
    .tabs {
        overflow-x: auto;
        padding: 0;
    }
    
    .tab {
        padding: var(--spacing-sm);
        white-space: nowrap;
        font-size: var(--font-sm);
    }
    
    /* 调整表格 */
    .repayment-table {
        min-width: 640px;
    }
    
    .repayment-table th,
    .repayment-table td {
        padding: var(--spacing-xs);
        font-size: var(--font-xs);
    }
    
    /* 调整汇总卡片 */
    .summary-cards {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    /* 移动设备性能优化 */
    .input-section, 
    .customer-summary, 
    .result-container, 
    .total-info,
    .tab-content,
    .repayment-table-container,
    .result-summary {
        box-shadow: var(--shadow-sm);
        transition: transform 0.2s;
    }
    
    /* 简化按钮效果 */
    .action-btn, .calculate-btn {
        transition: transform 0.15s, box-shadow 0.15s;
        padding: var(--spacing-sm);
        font-size: var(--font-sm);
    }
    
    /* 优化表格性能 */
    .table-container,
    .repayment-table-container {
        overflow-x: auto;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        max-height: 300px;
    }
    
    table,
    .repayment-table {
        min-width: 480px;
        font-size: var(--font-xs);
    }
    
    th, td,
    .repayment-table th,
    .repayment-table td {
        padding: var(--spacing-xs);
        word-break: break-word;
    }
    
    /* 简化表格行hover效果 */
    tr:hover td,
    .repayment-table tr:hover td {
        background-color: var(--bg-info);
        transition: none;
    }
    
    /* 简化标签动画 */
    .tab-content.active {
        animation: fadeIn 0.2s ease-in-out;
    }
    
    /* 调整标签 */
    .tabs {
        overflow-x: auto;
        padding: 0;
    }
    
    .tab {
        padding: var(--spacing-sm);
        white-space: nowrap;
        font-size: var(--font-sm);
    }
    
    /* 调整操作按钮组 */
    .action-buttons {
        flex-direction: column;
    }
    
    /* 调整汇总卡片 */
    .summary-cards {
        grid-template-columns: 1fr;
    }
}

/* ========== 核销贷款利息计算器专用样式 ========== */

/* 自适应输入框样式 */
.adaptive-input-container {
    position: relative;
    display: inline-block;
}

.adaptive-input-mirror {
    position: absolute;
    visibility: hidden;
    white-space: nowrap;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-size: 0.875rem;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    min-width: auto;
    letter-spacing: normal;
    word-spacing: normal;
    line-height: normal;
}

.adaptive-input,
.adaptive-input-mirror {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-size: 0.875rem;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    border: 1px solid #d1d5db;
    box-sizing: border-box;
}

.date-input {
    min-width: 90px;
}

.number-input {
    text-align: right;
    min-width: auto !important;
    width: auto !important;
}

.borrower-input {
    min-width: 120px;
}

@media (min-width: 768px) {
    .borrower-input {
        min-width: 150px;
    }
}

/* 高亮值样式 */
.highlight-value {
    font-weight: 500;
    transition: all 0.3s;
}

.editing-breathing-bg {
    animation: breathing 2s ease-in-out infinite;
}

@keyframes breathing {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* 文件拖放区域样式 */
.file-drop-area {
    border: 2px dashed #d1d5db;
    border-radius: 0.5rem;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s;
}

.file-drop-active {
    border-color: #3b82f6;
    background-color: #eff6ff;
}

/* 标签页激活状态 */
.tab-active {
    color: #2563eb;
    border-bottom: 2px solid #2563eb;
    font-weight: 500;
}

/* 银行标识样式 */
.bank-badge {
    background-color: #dbeafe;
    color: #1e40af;
    font-size: 1rem;
    font-weight: 500;
    padding: 0.125rem 0.5rem;
    border-radius: 0.25rem;
    margin-left: 0.5rem;
    display: inline-block;
}

/* 详情弹窗样式 */
.detail-modal {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}

.detail-modal.active {
    opacity: 1;
    pointer-events: auto;
}

.detail-content {
    background-color: white;
    border-radius: 0.5rem;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 28rem;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.95);
    transition: transform 0.3s;
}

.detail-modal.active .detail-content {
    transform: scale(1);
}

.detail-header {
    padding: 1rem;
    border-bottom: 1px solid #e5e7eb;
    background-color: #f9fafb;
    border-radius: 0.5rem 0.5rem 0 0;
}

.detail-body {
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.detail-row {
    display: flex;
    flex-direction: column;
    padding: 0.25rem 0;
    border-bottom: 1px solid #f3f4f6;
}

@media (min-width: 768px) {
    .detail-row {
        flex-direction: row;
        align-items: center;
    }
}

.detail-label {
    font-size: 0.875rem;
    color: #4b5563;
    font-weight: 500;
    width: 100%;
}

@media (min-width: 768px) {
    .detail-label {
        width: 33.333333%;
    }
}

.detail-value {
    font-size: 0.875rem;
    font-weight: 500;
    width: 100%;
    margin-top: 0.25rem;
}

@media (min-width: 768px) {
    .detail-value {
        font-size: 1rem;
        width: 66.666667%;
        margin-top: 0;
    }
}

.detail-section-title {
    font-weight: 700;
    color: #374151;
    font-size: 1rem;
    margin-top: 1rem;
    margin-bottom: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px solid #e5e7eb;
}

.detail-section-title:first-child {
    border-top: none;
    margin-top: 0;
    padding-top: 0;
}

/* 合计项高亮样式 */
.total-highlight {
    font-size: 1.125rem;
    font-weight: 700;
    padding: 0.5rem 0;
    border-top: 1px dashed #d1d5db;
    margin-top: 0.25rem;
}

.interest-total {
    color: #9333ea;
}

.fee-total {
    color: #d97706;
}

.payment-total {
    color: #059669;
}

/* 详情按钮样式 */
.detail-btn {
    background-color: #dbeafe;
    color: #1e40af;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.75rem;
    transition: background-color 0.3s;
}

.detail-btn:hover {
    background-color: #bfdbfe;
}

/* 操作按钮样式 */
.action-button {
    padding: 0.375rem 0.75rem;
    border-radius: 0.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.export-image-button {
    background-color: #4f46e5;
    color: white;
}

.export-image-button:hover {
    background-color: #4338ca;
}

/* 打印样式 */
@media print {
    body * {
        visibility: hidden;
    }
    
    .detail-modal, .detail-modal *, #printableArea, #printableArea * {
        visibility: visible;
    }
    
    .detail-modal {
        position: absolute;
        left: 0;
        top: 0;
        background: white;
    }
    
    .detail-content {
        max-height: none;
        box-shadow: none;
        border: none;
    }
    
    .detail-actions {
        display: none !important;
    }
}

/* 数字输入框样式优化 */
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
    appearance: none;
    margin: 0;
}

input[type="number"] {
    appearance: textfield;
}

/* 表格滚动优化 */
.table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* 行悬停效果 */
tr[data-row-id]:hover {
    background-color: #f9fafb;
    cursor: pointer;
    transition: background-color 0.2s;
}

/* 平板设备优化 */
@media (min-width: 481px) and (max-width: 768px) {
    /* 操作按钮区域响应式 */
    .action-buttons-flex {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .search-container {
        width: 100%;
        margin-top: 0.5rem;
        margin-left: 0;
        max-width: none;
    }
    
    .date-display {
        width: 100%;
        margin-top: 0.5rem;
        text-align: left !important;
        font-size: 0.875rem;
    }
    
    /* 表格移动端优化 */
    .table-wrapper {
        margin-left: -0.5rem;
        margin-right: -0.5rem;
    }
    
    /* 隐藏非关键列 */
    .table-header-mobile:nth-child(6), /* 贷款余额 */
    .table-header-mobile:nth-child(7), /* 表内欠息 */
    .table-header-mobile:nth-child(8), /* 表外欠息 */
    .table-header-mobile:nth-child(9), /* 诉讼费 */
    .table-header-mobile:nth-child(10), /* 保全费 */
    .table-header-mobile:nth-child(11), /* 其他费用 */
    .table-header-mobile:nth-child(12), /* 月利率 */
    .table-header-mobile:nth-child(13), /* 逾期利率 */
    .table-header-mobile:nth-child(14), /* 核销日 */
    .table-header-mobile:nth-child(15), /* 核销天数 */
    .table-header-mobile:nth-child(16), /* 计算利息 */
    .table-header-mobile:nth-child(17) /* 还款合计 */ {
        display: none;
    }
    
    /* 移动端简化表格 */
    .mobile-table-row td:nth-child(6),
    .mobile-table-row td:nth-child(7),
    .mobile-table-row td:nth-child(8),
    .mobile-table-row td:nth-child(9),
    .mobile-table-row td:nth-child(10),
    .mobile-table-row td:nth-child(11),
    .mobile-table-row td:nth-child(12),
    .mobile-table-row td:nth-child(13),
    .mobile-table-row td:nth-child(14),
    .mobile-table-row td:nth-child(15),
    .mobile-table-row td:nth-child(16),
    .mobile-table-row td:nth-child(17) {
        display: none;
    }
    
    /* 移动端操作按钮 */
    .mobile-action-buttons {
        display: flex;
        gap: 0.25rem;
    }
    
    .mobile-action-btn {
        padding: 0.25rem 0.5rem;
        font-size: 0.75rem;
        border-radius: 0.25rem;
    }
    
    /* 移动端详情视图切换 */
    .mobile-detail-toggle {
        background-color: #dbeafe;
        color: #1e40af;
        padding: 0.25rem 0.5rem;
        border-radius: 0.25rem;
        font-size: 0.75rem;
    }
}

/* 移动设备优化 */
@media (max-width: 480px) {
    .header h1 {
        font-size: 1.25rem;
    }
    
    .header p {
        font-size: 0.875rem;
    }
    
    .btn-flex {
        font-size: 0.875rem;
        padding: 0.5rem 0.75rem;
    }
    
    /* 操作按钮区域响应式 */
    .action-buttons-flex {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .search-container {
        width: 100%;
        margin-top: 0.5rem;
        margin-left: 0;
        max-width: none;
    }
    
    .date-display {
        width: 100%;
        margin-top: 0.5rem;
        text-align: left !important;
        font-size: 0.875rem;
    }
    
    /* 表格移动端优化 */
    .table-wrapper {
        margin-left: -0.5rem;
        margin-right: -0.5rem;
    }
    
    /* 隐藏非关键列 */
    .table-header-mobile:nth-child(4), /* 借款日 */
    .table-header-mobile:nth-child(5), /* 到期日 */
    .table-header-mobile:nth-child(6), /* 贷款余额 */
    .table-header-mobile:nth-child(7), /* 表内欠息 */
    .table-header-mobile:nth-child(8), /* 表外欠息 */
    .table-header-mobile:nth-child(9), /* 诉讼费 */
    .table-header-mobile:nth-child(10), /* 保全费 */
    .table-header-mobile:nth-child(11), /* 其他费用 */
    .table-header-mobile:nth-child(12), /* 月利率 */
    .table-header-mobile:nth-child(13), /* 逾期利率 */
    .table-header-mobile:nth-child(14), /* 核销日 */
    .table-header-mobile:nth-child(15), /* 核销天数 */
    .table-header-mobile:nth-child(16), /* 计算利息 */
    .table-header-mobile:nth-child(17) /* 还款合计 */ {
        display: none;
    }
    
    /* 移动端简化表格 */
    .mobile-table-row td:nth-child(4),
    .mobile-table-row td:nth-child(5),
    .mobile-table-row td:nth-child(6),
    .mobile-table-row td:nth-child(7),
    .mobile-table-row td:nth-child(8),
    .mobile-table-row td:nth-child(9),
    .mobile-table-row td:nth-child(10),
    .mobile-table-row td:nth-child(11),
    .mobile-table-row td:nth-child(12),
    .mobile-table-row td:nth-child(13),
    .mobile-table-row td:nth-child(14),
    .mobile-table-row td:nth-child(15),
    .mobile-table-row td:nth-child(16),
    .mobile-table-row td:nth-child(17) {
        display: none;
    }
    
    /* 移动端操作按钮 */
    .mobile-action-buttons {
        display: flex;
        gap: 0.25rem;
    }
    
    .mobile-action-btn {
        padding: 0.25rem 0.5rem;
        font-size: 0.75rem;
        border-radius: 0.25rem;
    }
    
    /* 移动端详情视图切换 */
    .mobile-detail-toggle {
        background-color: #dbeafe;
        color: #1e40af;
        padding: 0.25rem 0.5rem;
        border-radius: 0.25rem;
        font-size: 0.75rem;
    }
    
    /* 借款人列优化 */
    .borrower-input {
        min-width: 100px !important;
        font-size: 0.875rem;
    }
}

/* 移动端详情卡片样式 */
.mobile-detail-card {
    background-color: white;
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    padding: 1rem;
    margin-bottom: 0.75rem;
    border: 1px solid #e5e7eb;
    display: none;
    position: relative;
    z-index: 20;
}

.mobile-detail-card:not(.hidden) {
    display: block;
    animation: slideInUp 0.3s ease-out;
}

.mobile-detail-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid #e5e7eb;
}

.mobile-detail-title {
    font-size: 1rem;
    font-weight: 700;
    color: #374151;
}

.mobile-detail-close {
    color: #9ca3af;
    transition: color 0.3s;
    padding: 0.25rem;
    font-size: 1.2rem;
}

.mobile-detail-close:hover {
    color: #6b7280;
}

.mobile-detail-content {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.mobile-detail-section {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.mobile-detail-section:not(:first-child) {
    padding-top: 0.75rem;
    border-top: 1px solid #f3f4f6;
}

.mobile-detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.mobile-detail-label {
    font-size: 0.875rem;
    color: #4b5563;
    font-weight: 500;
    flex-shrink: 0;
    min-width: 80px;
}

.mobile-detail-value {
    font-size: 0.875rem;
    font-weight: 500;
    text-align: right;
    color: #374151;
    word-break: break-all;
    max-width: 60%;
}

.mobile-detail-row.total-highlight {
    background-color: #eff6ff;
    margin: -0.5rem;
    padding: 0.5rem;
    border-radius: 0.25rem;
}

.mobile-detail-row.total-highlight .mobile-detail-value {
    color: #2563eb;
    font-weight: 700;
}

/* 表格行展开状态 */
.table-row-mobile.detail-expanded {
    background-color: #eff6ff;
    border-left: 4px solid #2563eb;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 分享图片模态窗口样式 */
#shareImageModal {
    animation: fadeIn 0.3s ease-out;
}

#shareImageModal .image-container {
    transition: transform 0.2s ease;
}

#shareImageModal .image-container:active {
    transform: scale(0.98);
}

#shareImageModal img {
    border-radius: 0.375rem;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.5);
}

/* 加载状态优化 */
.calculate-btn.loading {
    pointer-events: none;
    opacity: 0.8;
}

.calculate-btn.loading::after {
    content: '';
    position: absolute;
    right: var(--spacing-md);
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top: 2px solid white;
    border-radius: 50%;
    animation: loading-spin 1s linear infinite;
}

/* 缓存命中提示 */
.cache-hit-indicator {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--success-color);
    color: white;
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 10px;
    font-weight: 600;
    animation: cacheHitPulse 0.5s ease-out;
}

@keyframes cacheHitPulse {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    50% {
        transform: scale(1.2);
        opacity: 1;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

/* ========== 控件一致性标准化样式 ========== */

/* 统一操作按钮区域样式 */
.action-buttons, .btn-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
    margin-bottom: 1rem;
}

/* 标准按钮样式类 */
.btn-primary {
    background-color: #2563eb;
    color: white;
    border-radius: 0.375rem;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    border: none;
    cursor: pointer;
    white-space: nowrap;
}

.btn-primary:hover {
    background-color: #1d4ed8;
}

.btn-secondary {
    background-color: #7c3aed;
    color: white;
    border-radius: 0.375rem;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    border: none;
    cursor: pointer;
    white-space: nowrap;
}

.btn-secondary:hover {
    background-color: #6d28d9;
}

.btn-success {
    background-color: #059669;
    color: white;
    border-radius: 0.375rem;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    border: none;
    cursor: pointer;
    white-space: nowrap;
}

.btn-success:hover {
    background-color: #047857;
}

.btn-danger {
    background-color: #dc2626;
    color: white;
    border-radius: 0.375rem;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    border: none;
    cursor: pointer;
    white-space: nowrap;
}

.btn-danger:hover {
    background-color: #b91c1c;
}

/* 统一搜索功能样式 */
.search-container {
    position: relative;
    flex-grow: 1;
    max-width: 200px;
    margin-left: 0.5rem;
}

.search-input {
    width: 100%;
    padding-left: 2.25rem;
    padding-right: 1rem;
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
    border: 1px solid #d1d5db;
    border-radius: 0.5rem;
    outline: none;
    transition: all 0.2s ease;
}

.search-input:focus {
    ring: 2px;
    ring-color: #3b82f6;
    border-color: #3b82f6;
}

.search-icon {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: #9ca3af;
}

/* 日期显示样式 */
.date-display {
    margin-left: 0.5rem;
    font-size: 0.75rem;
    color: #6b7280;
    align-self: center;
    white-space: nowrap;
}

/* 统一表格头部样式 */
.table-header-mobile {
    padding: 0.5rem;
    text-align: left;
    font-size: 0.75rem;
    font-weight: 500;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.required-field-mark {
    color: #ef4444;
    margin-left: 0.125rem;
}

/* 统一移动端优化 */
@media (max-width: 640px) {
    .action-buttons, .btn-group {
        gap: 0.5rem;
        flex-direction: row;
        flex-wrap: wrap;
    }
    
    .btn-primary, .btn-secondary, .btn-success, .btn-danger {
        padding: 0.375rem 0.75rem;
        font-size: 0.75rem;
    }
    
    .search-container {
        width: 100%;
        margin-top: 0.5rem;
        margin-left: 0;
        max-width: none;
    }
    
    .date-display {
        width: 100%;
        margin-top: 0.5rem;
        text-align: left !important;
        margin-left: 0;
    }
    
    .table-header-mobile {
        padding: 0.5rem;
        font-size: 0.625rem;
    }
}

@media (min-width: 768px) {
    .date-display {
        font-size: 0.875rem;
    }
    .search-container {
        max-width: 240px;
    }
}

/* 统一按钮触摸反馈 */
.btn-primary:active, .btn-secondary:active, .btn-success:active, .btn-danger:active {
    transform: translateY(1px);
    opacity: 0.9;
}

/* 统一禁用状态 */
.btn-primary:disabled, .btn-secondary:disabled, .btn-success:disabled, .btn-danger:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* 统一加载状态 */
.btn-loading {
    position: relative;
    pointer-events: none;
}

.btn-loading::after {
    content: '';
    position: absolute;
    right: 0.75rem;
    width: 14px;
    height: 14px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: loading-spin 1s linear infinite;
}