import React, { useState, useEffect, useCallback } from 'react';
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import { useCaseData } from '../../contexts/CaseDataContext';
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import RecommendAPIService from '../../services/RecommendAPIService';
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import { Spin, Alert } from 'antd';
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import './SimilarCaseContent.css';
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/**
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* 类案与法条推荐 - 弹窗内容
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* 按原型 similar_case.html 和 UI 图实现
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*/
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const SimilarCaseContent = () => {
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// 状态管理
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const [cases, setCases] = useState([]);
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const [laws, setLaws] = useState([]);
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const [loading, setLoading] = useState(false);
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const [error, setError] = useState(null);
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const [expandedId, setExpandedId] = useState(null);
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const [activeLawId, setActiveLawId] = useState(null);
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// 分页加载状态
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const [loadedCount, setLoadedCount] = useState(3); // 默认加载3条
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// 获取timeline数据
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const { caseData: timeline } = useCaseData();
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// 参数构建函数
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const buildRequestParams = (timelineData) => {
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return {
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caseDes: timelineData.case_des || '',
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caseClaim: timelineData.case_claim || '',
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caseId: timelineData.case_id
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};
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};
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// API调用函数
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const loadRecommendations = useCallback(async () => {
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setLoading(true);
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setError(null);
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try {
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const params = buildRequestParams(timeline);
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// 并行调用类案和法条推荐API
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const [casesResult, lawsResult] = await Promise.all([
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RecommendAPIService.getSimilarCases({
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caseDes: params.caseDes,
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caseClaim: params.caseClaim,
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caseId: params.caseId
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}),
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RecommendAPIService.getSimilarLaws({
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caseDes: params.caseDes,
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caseClaim: params.caseClaim,
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caseId: params.caseId
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})
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]);
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// 从API返回的data中提取similarCases和provisions/laws数组
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const casesData = casesResult.data?.similarCases || casesResult.data?.cases || [];
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const lawsData = lawsResult.data?.provisions || lawsResult.data?.laws || [];
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console.log('类案推荐数据:', casesData);
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console.log('法条推荐数据:', lawsData);
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setCases(casesData);
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setLaws(lawsData);
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// 设置默认选中的法条
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if (lawsData && lawsData.length > 0) {
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setActiveLawId(lawsData[0].lawProvisionId || lawsData[0].id || lawsData[0].lawId || null);
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}
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} catch (err) {
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setError(err.message);
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console.error('获取推荐数据失败:', err);
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// 不使用mock数据降级，直接显示错误
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setCases([]);
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setLaws([]);
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setActiveLawId(null);
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} finally {
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setLoading(false);
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}
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}, [timeline]);
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// 自动加载数据
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useEffect(() => {
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if (timeline && (timeline.caseDes || timeline.case_claim || timeline.case_id)) {
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loadRecommendations();
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}
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}, [loadRecommendations]);
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// 使用API数据，如果没有数据则显示空状态，不使用mock数据
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// 确保displayCases和displayLaws始终为数组类型，避免TypeError
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const displayCases = Array.isArray(cases) ? cases : [];
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const displayLaws = Array.isArray(laws) ? laws : [];
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const activeLaw = displayLaws.length > 0 ? (displayLaws.find((law) => (law.lawProvisionId || law.id) === activeLawId) || displayLaws[0]) : null;
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// 分页显示的案例（默认3条，每次加载3条）
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const displayedCases = displayCases.slice(0, loadedCount);
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const hasMore = loadedCount < displayCases.length;
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const totalCases = displayCases.length;
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// 相似度分级函数
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const getSimilarityLevel = (score) => {
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const numScore = typeof score === 'string' ? parseFloat(score) : score;
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if (numScore >= 0.6) {
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return { text: '极高相似度', className: 'extreme-similarity' };
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}
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if (numScore >= 0.5) {
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return { text: '高相似度', className: 'high-similarity' };
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}
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return { text: '一般相似度', className: 'normal-similarity' };
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};
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// 事件处理函数
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const handleToggleCase = (id) => {
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setExpandedId((prev) => (prev === id ? null : id));
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};
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const handleSelectLaw = (id) => {
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setActiveLawId(id);
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};
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// 加载更多案例
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const handleLoadMore = () => {
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setLoadedCount((prev) => Math.min(prev + 3, totalCases));
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};
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// 渲染Loading状态
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if (loading) {
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return (
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<div className="similar-case-container" style={{ display: 'flex', justifyContent: 'center', alignItems: 'center', height: '600px' }}>
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<Spin size="large" tip="正在加载推荐数据..." />
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</div>
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);
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}
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// 渲染错误状态
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if (error) {
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return (
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<div className="similar-case-container">
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<Alert
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message="数据加载失败"
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description={error}
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type="error"
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showIcon
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style={{ marginBottom: '20px' }}
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/>
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<div style={{ textAlign: 'center', padding: '40px' }}>
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<p>暂时无法获取推荐数据，请稍后重试。</p>
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</div>
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</div>
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);
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}
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return (
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<div className="similar-case-container">
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{/* 左侧：相似典型案例TOP{loadedCount} */}
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<section className="cases-section">
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<h2 className="similar-section-title">
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<i className="fas fa-folder-open"></i>
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相似典型案例TOP{loadedCount}
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</h2>
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<div className="cases-list">
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{displayedCases.length > 0 ? (
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displayedCases.map((item) => {
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const isExpanded = expandedId === (item.cpwsCaseTextId || item.id || item.caseId);
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const similarity = item.similarity || item.score;
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const similarityLevel = similarity ? getSimilarityLevel(similarity) : null;
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return (
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<div className="case-card" key={item.cpwsCaseTextId || item.id || item.caseId}>
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<div
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className={isExpanded ? 'case-header active' : 'case-header'}
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onClick={() => handleToggleCase(item.cpwsCaseTextId || item.id || item.caseId)}
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>
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<div className="case-title-container">
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<h3 className="case-title">
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{item.caseName || item.title || item.caseTitle || '未命名案例'}
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{similarityLevel && (
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<span className={`similarity-tag ${similarityLevel.className}`}>
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<i className="fas fa-chart-line"></i>
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{similarityLevel.text}
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</span>
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)}
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</h3>
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<div className="case-meta-container">
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<div className="case-meta">
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{item.caseNumber && (
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<div className="case-meta-item">
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<i className="fas fa-file-alt"></i>
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<span>案号：{item.caseNumber}</span>
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</div>
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)}
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{(item.date || item.occurTime || item.judgmentDate) && (
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<div className="case-meta-item">
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<i className="far fa-calendar-alt"></i>
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<span>日期：{item.judgmentDate || item.date || item.occurTime}</span>
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</div>
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)}
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{(item.court || item.location) && (
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<div className="case-meta-item">
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<i className="fas fa-map-marker-alt"></i>
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<span>{item.court ? '法院：' : '地点：'}{item.court || item.location}</span>
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</div>
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)}
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{item.caseType && (
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<div className="case-meta-item">
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<i className="fas fa-balance-scale"></i>
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<span>案由类型：{item.caseType}</span>
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</div>
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)}
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</div>
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<div
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className={
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(item.caseType || item.type) === 'mediation'
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? 'case-type-badge mediation'
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: 'case-type-badge judgment'
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}
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>
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<i className={(item.caseType || item.type) === 'mediation' ? 'fas fa-handshake' : 'fas fa-gavel'}></i>
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{(item.caseType || item.type) === 'mediation' ? '调解案例' : '判决文书'}
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</div>
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</div>
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</div>
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<button className="toggle-btn" onClick={() => handleToggleCase(item.cpwsCaseTextId || item.id || item.caseId)}>
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<i className={isExpanded ? 'fas fa-chevron-up' : 'fas fa-chevron-down'}></i>
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</button>
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</div>
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<div className={isExpanded ? 'case-content expanded' : 'case-content'}>
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<div className="case-detail">
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{(item.basicCaseInfo || item.overview || item.caseOverview) && (
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<div className="detail-section">
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<h4 className="detail-title">案例概述</h4>
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<div className="detail-content">
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<p>{item.basicCaseInfo || item.overview || item.caseOverview}</p>
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</div>
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</div>
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)}
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{(item.background || item.caseBackground) && (
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<div className="detail-section">
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<h4 className="detail-title">调解/审理背景</h4>
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<div className="detail-content">
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<p>{item.background || item.caseBackground}</p>
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</div>
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</div>
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)}
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{(item.plaintiffDemand || item.demands) && Array.isArray(item.plaintiffDemand || item.demands) && (
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<div className="detail-section plaintiff-demand">
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<h4 className="detail-title">原告诉讼请求</h4>
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<div className="detail-content">
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<ol>
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{(item.plaintiffDemand || item.demands).map((demand, index) => (
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<li key={index}>{demand}</li>
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))}
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</ol>
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</div>
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</div>
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)}
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{(item.judgment || item.courtDecision) && (
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<div className="detail-section court-decision">
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<h4 className="detail-title">法院审理与判决</h4>
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<div className="detail-content">
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<p>{item.judgment || item.courtDecision}</p>
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</div>
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</div>
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)}
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{item.legalBasis && (
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<div className="detail-section">
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<h4 className="detail-title">法律依据</h4>
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<div className="detail-content">
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<p>{item.legalBasis}</p>
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</div>
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</div>
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)}
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{item.trialFinding && (
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<div className="detail-section">
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<h4 className="detail-title">审理查明</h4>
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<div className="detail-content">
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<p>{item.trialFinding}</p>
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</div>
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</div>
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)}
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{item.trialProcess && (
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<div className="detail-section">
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<h4 className="detail-title">审理经过</h4>
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<div className="detail-content">
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<p>{item.trialProcess}</p>
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</div>
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</div>
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)}
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{item.mediationScheme && Array.isArray(item.mediationScheme) && (
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<div className="detail-section mediation-scheme">
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<h4 className="detail-title">调解方案</h4>
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<div className="detail-content">
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<ul>
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{item.mediationScheme.map((scheme, index) => (
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<li key={index}>{scheme}</li>
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))}
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</ul>
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</div>
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</div>
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)}
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{item.mediationResult && Array.isArray(item.mediationResult) && (
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<div className="detail-section mediation-result">
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<h4 className="detail-title">调解结果</h4>
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<div className="detail-content">
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<ol>
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{item.mediationResult.map((r, index) => (
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<li key={index}>{r}</li>
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))}
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</ol>
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</div>
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</div>
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)}
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</div>
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</div>
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</div>
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);
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})
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) : (
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<div className="empty-state">
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<div className="empty-icon">
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<i className="fas fa-file-alt"></i>
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</div>
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<p className="empty-text">暂无类案推荐</p>
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</div>
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)}
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{/* 加载更多按钮 */}
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{displayedCases.length > 0 && (
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<div className="load-more-container">
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{hasMore ? (
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<button className="load-more-btn" onClick={handleLoadMore}>
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<i className="fas fa-angle-down"></i>
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加载更多
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</button>
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) : (
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<div className="no-more-data">
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<i className="fas fa-check-circle"></i>
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没有更多案例数据
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</div>
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)}
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</div>
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)}
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</div>
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</section>
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{/* 右侧：相关专业法条 */}
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<section className="laws-section">
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<h2 className="similar-section-title">
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<i className="fas fa-book"></i>
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相关专业法条
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</h2>
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<div className="laws-count">
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与本案相关的法律条文共 <strong>{displayLaws.length}条</strong>
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</div>
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<div className="laws-list">
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{displayLaws.length > 0 ? (
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displayLaws.map((law) => (
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<div
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key={law.lawProvisionId || law.id || law.lawId}
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className={(law.lawProvisionId || law.id) === activeLawId ? 'law-card active' : 'law-card'}
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onClick={() => handleSelectLaw(law.lawProvisionId || law.id || law.lawId)}
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>
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<h3 className="law-title">{law.lawTitle || '未命名法条'}</h3>
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<div className="law-meta">
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{law.lawValidityName && (
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<div className="law-meta-item">
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<i className="fas fa-check-circle" style={{ color: 'var(--success-color)' }}></i>
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<span>时效性：{law.lawValidityName}</span>
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</div>
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)}
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{law.authorityName && (
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<div className="law-meta-item">
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<i className="fas fa-landmark"></i>
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<span>制定机关：{law.authorityName}</span>
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</div>
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)}
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</div>
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{/* 法条内容区域 */}
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{(law.provisionIndex && law.provisionText) && (
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<div className="law-content">
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<div className="law-article">
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<span className="article-number">{law.provisionIndex}</span>
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<span>{law.provisionText}</span>
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</div>
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</div>
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)}
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</div>
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))
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) : (
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<div className="empty-state">
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<div className="empty-icon">
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<i className="fas fa-gavel"></i>
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</div>
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<p className="empty-text">暂无相关专业法条数据</p>
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</div>
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)}
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{/* 当前选中法条详情 - 放在 laws-list 内部实现整体滚动 */}
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{activeLaw && (
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<div className="law-detail-panel">
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<h3 className="law-detail-title">{activeLaw.lawTitle || '未命名法条'}</h3>
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{/* 添加时效性和制定机关信息 */}
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<div className="law-meta" style={{ marginBottom: '15px' }}>
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{activeLaw.lawValidityName && (
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<div className="law-meta-item">
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<i className="fas fa-check-circle" style={{ color: 'var(--success-color)' }}></i>
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<span>时效性：{activeLaw.lawValidityName}</span>
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</div>
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)}
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{activeLaw.authorityName && (
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<div className="law-meta-item">
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<i className="fas fa-landmark"></i>
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<span>制定机关：{activeLaw.authorityName}</span>
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</div>
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)}
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</div>
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<div className="law-detail-content">
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{(activeLaw.provisionIndex && activeLaw.provisionText) ? (
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<div className="law-article">
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<span className="article-number">{activeLaw.provisionIndex}</span>
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<span>{activeLaw.provisionText}</span>
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</div>
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) : (
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<p>暂无详细内容</p>
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)}
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</div>
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</div>
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)}
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</div>
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</section>
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</div>
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);
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};
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export default SimilarCaseContent;
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