fix(练习): 重构布局和修复需求问题

- 修复知识领域显示完整名称（如"项目整合管理"）
- 改用 table 布局，参考 process-matrix 样式
- 输入区域添加半透明背景（bg-white/80 + backdrop-blur-md）
- 辅助信息不再省略，显示完整内容
- 删除不需要的 KnowledgeAreaCell 组件
- 知识领域显示在左侧列，过程显示在单元格内

via [HAPI](https://hapi.run)

Co-Authored-By: HAPI <noreply@hapi.run>

src/components/practice/HintInfo.tsx

@@ -23,22 +23,17 @@ export function HintInfo({ currentCell }: HintInfoProps) {
         <h3 className="text-sm font-semibold text-gray-900 dark:text-gray-100">
           敏捷裁剪因素
         </h3>
-        <div className="space-y-1.5 text-xs">
-          {ka.tailoringFactors.slice(0, 2).map((factor, index) => (
+        <div className="space-y-2 text-xs">
+          {ka.tailoringFactors.map((factor, index) => (
             <div key={index} className="flex gap-2">
               <span className="font-medium text-gray-700 dark:text-gray-300 shrink-0">
                 {factor.title}：
               </span>
-              <span className="text-gray-600 dark:text-gray-400 line-clamp-1">
+              <span className="text-gray-600 dark:text-gray-400">
                 {factor.description}
               </span>
             </div>
           ))}
-          {ka.tailoringFactors.length > 2 && (
-            <div className="text-gray-500 dark:text-gray-500">
-              +{ka.tailoringFactors.length - 2} 个因素...
-            </div>
-          )}
         </div>
       </div>
     )
@@ -52,7 +47,7 @@ export function HintInfo({ currentCell }: HintInfoProps) {
           主要作用
         </h3>
         {purpose ? (
-          <p className="text-xs text-gray-700 dark:text-gray-300 line-clamp-2">
+          <p className="text-xs text-gray-700 dark:text-gray-300 leading-relaxed">
             {purpose}
           </p>
         ) : (

src/components/practice/KnowledgeAreaCell.tsx

@@ -1,87 +0,0 @@
-import { motion } from 'framer-motion'
-import clsx from 'clsx'
-import type { KnowledgeArea } from '@/types/itto'
-import type { CellInfo } from '@/utils/practice'
-import { useLongPress } from '@/hooks/useLongPress'
-
-interface KnowledgeAreaCellProps {
-  ka: KnowledgeArea
-  cellInfo?: CellInfo
-  isAnswered: boolean
-  isFocused: boolean
-  showAnswer?: string | null
-  onLongPress: (cellId: string) => void
-  onLongPressEnd: () => void
-  onClick: (cellId: string) => void
-  tabIndex: number
-}
-
-export function KnowledgeAreaCell({
-  ka,
-  cellInfo,
-  isAnswered,
-  isFocused,
-  showAnswer,
-  onLongPress,
-  onLongPressEnd,
-  onClick,
-  tabIndex,
-}: KnowledgeAreaCellProps) {
-  const cellId = `ka-${ka.id}`
-
-  const longPressHandlers = useLongPress(cellId, {
-    onLongPress,
-    onLongPressEnd,
-  })
-
-  return (
-    <motion.div
-      data-cell-id={cellId}
-      className={clsx(
-        'relative rounded-lg p-2 transition-all duration-200 cursor-pointer',
-        'border-2 focus:outline-none',
-        isAnswered
-          ? 'bg-white dark:bg-gray-800 border-solid border-gray-300 dark:border-gray-600'
-          : 'border-dashed border-gray-300 dark:border-gray-600',
-        isFocused && 'ring-2 ring-blue-500 border-blue-500',
-        !isAnswered && 'min-h-[40px]'
-      )}
-      onClick={() => onClick(cellId)}
-      tabIndex={tabIndex}
-      role="button"
-      aria-label={`知识领域：${ka.name}`}
-      aria-describedby="hint-info"
-      aria-current={isFocused ? 'true' : undefined}
-      {...longPressHandlers}
-      initial={{ opacity: 0, y: 10 }}
-      animate={{ opacity: 1, y: 0 }}
-      transition={{ duration: 0.2 }}
-    >
-      {isAnswered && cellInfo && (
-        <div className="flex items-center gap-1.5">
-          <span
-            className="inline-block px-1.5 py-0.5 rounded text-white font-medium text-xs"
-            style={{ backgroundColor: ka.color }}
-          >
-            {ka.order}
-          </span>
-          <span className="text-gray-900 dark:text-gray-100 font-medium text-sm">
-            {cellInfo.answer}
-          </span>
-        </div>
-      )}
-
-      {/* 长按显示答案 */}
-      {showAnswer && (
-        <motion.div
-          className="absolute inset-0 flex items-center justify-center bg-black/80 rounded-lg z-10"
-          initial={{ opacity: 0 }}
-          animate={{ opacity: 1 }}
-          exit={{ opacity: 0 }}
-        >
-          <span className="text-white text-lg font-medium">{showAnswer}</span>
-        </motion.div>
-      )}
-    </motion.div>
-  )
-}

src/components/practice/PracticeMatrix.tsx

@@ -1,10 +1,8 @@
 import { knowledgeAreas, processGroups } from '@/data'
-import { getProcessesByKaAndPg, type CellInfo } from '@/utils/practice'
-import { KnowledgeAreaCell } from './KnowledgeAreaCell'
+import { getProcessesByKaAndPg } from '@/utils/practice'
 import { ProcessCell } from './ProcessCell'
 
 interface PracticeMatrixProps {
-  cellSequence: CellInfo[]
   answeredCells: Map<string, boolean>
   currentCellId: string | null
   showAnswerForCell: { cellId: string; answer: string; expiresAt: number } | null
@@ -15,7 +13,6 @@ interface PracticeMatrixProps {
 }
 
 export function PracticeMatrix({
-  cellSequence,
   answeredCells,
   currentCellId,
   showAnswerForCell,
@@ -28,104 +25,90 @@ export function PracticeMatrix({
   const sortedPGs = [...processGroups].sort((a, b) => a.order - b.order)
 
   return (
-    <div className="practice-matrix px-2">
-      {/* 表头 */}
-      <div
-        className="grid gap-2 mb-3 sticky bg-gray-50 dark:bg-gray-900 py-2 z-10"
-        style={{
-          gridTemplateColumns: 'repeat(5, 1fr)',
-          top: '56px', // 避开顶部进度条
-        }}
-      >
-        {sortedPGs.map((pg) => (
-          <div
-            key={pg.id}
-            className="text-center font-semibold text-xs text-gray-700 dark:text-gray-300"
-          >
-            {pg.name}
-          </div>
-        ))}
-      </div>
+    <div className="overflow-x-auto">
+      <table className="w-full border-collapse min-w-[900px]">
+        {/* 表头：过程组 */}
+        <thead>
+          <tr>
+            <th className="sticky left-0 z-10 bg-gray-100 dark:bg-gray-800 p-2 text-left text-xs font-semibold text-gray-700 dark:text-gray-300 border border-gray-200 dark:border-gray-700 min-w-[120px]">
+              知识领域 / 过程组
+            </th>
+            {sortedPGs.map((pg) => (
+              <th
+                key={pg.id}
+                className="p-2 text-center text-xs font-semibold text-white border border-gray-200 dark:border-gray-700 min-w-[120px]"
+                style={{ backgroundColor: pg.color }}
+              >
+                {pg.name}
+              </th>
+            ))}
+          </tr>
+        </thead>
 
-      {/* 矩阵内容 */}
-      {sortedKAs.map((ka) => {
-        const kaCellId = `ka-${ka.id}`
-        const kaCellInfo = cellSequence.find((c) => c.id === kaCellId)
+        {/* 表体：知识领域 × 过程 */}
+        <tbody>
+          {sortedKAs.map((ka) => {
+            return (
+              <tr key={ka.id}>
+                {/* 知识领域名称 */}
+                <td
+                  className="sticky left-0 z-10 p-2 border border-gray-200 dark:border-gray-700 font-medium"
+                  style={{
+                    backgroundColor: `${ka.color}15`,
+                    borderLeftWidth: 4,
+                    borderLeftColor: ka.color,
+                  }}
+                >
+                  <div className="flex items-center gap-2">
+                    <span className="font-bold text-xs" style={{ color: ka.color }}>
+                      {ka.order}
+                    </span>
+                    <span className="text-xs text-gray-900 dark:text-white">
+                      {ka.name}
+                    </span>
+                  </div>
+                </td>
 
-        return (
-          <div
-            key={ka.id}
-            className="ka-section mb-4"
-            style={{
-              display: 'grid',
-              gridTemplateColumns: 'repeat(5, 1fr)',
-              gap: '0.5rem',
-            }}
-          >
-            {/* 知识领域格子（横跨5列） */}
-            <div style={{ gridColumn: '1 / -1' }}>
-              <KnowledgeAreaCell
-                ka={ka}
-                cellInfo={kaCellInfo}
-                isAnswered={answeredCells.get(kaCellId) || false}
-                isFocused={currentCellId === kaCellId}
-                showAnswer={
-                  showAnswerForCell?.cellId === kaCellId
-                    ? showAnswerForCell.answer
-                    : null
-                }
-                onLongPress={onLongPress}
-                onLongPressEnd={onLongPressEnd}
-                onClick={onCellClick}
-                tabIndex={getCellTabIndex(kaCellId)}
-              />
-            </div>
+                {/* 每个过程组的单元格 */}
+                {sortedPGs.map((pg) => {
+                  const processes = getProcessesByKaAndPg(ka.id, pg.id)
 
-            {/* 过程格子（5个过程组列） */}
-            {sortedPGs.map((pg) => {
-              const processes = getProcessesByKaAndPg(ka.id, pg.id)
+                  return (
+                    <td
+                      key={pg.id}
+                      className="p-2 border border-gray-200 dark:border-gray-700 align-top bg-white dark:bg-gray-800"
+                    >
+                      <div className="space-y-1">
+                        {processes.map((p) => {
+                          const processCellId = `process-${p.id}`
 
-              if (processes.length === 0) {
-                // 空单元格：置灰，不可聚焦
-                return (
-                  <div
-                    key={pg.id}
-                    className="empty-cell bg-gray-100 dark:bg-gray-800 border border-dashed border-gray-300 dark:border-gray-600 rounded-lg"
-                    style={{ minHeight: '50px' }}
-                    aria-hidden="true"
-                  />
-                )
-              }
-
-              return (
-                <div key={pg.id} className="process-column flex flex-col gap-1.5">
-                  {processes.map((p) => {
-                    const processCellId = `process-${p.id}`
-
-                    return (
-                      <ProcessCell
-                        key={p.id}
-                        process={p}
-                        isAnswered={answeredCells.get(processCellId) || false}
-                        isFocused={currentCellId === processCellId}
-                        showAnswer={
-                          showAnswerForCell?.cellId === processCellId
-                            ? showAnswerForCell.answer
-                            : null
-                        }
-                        onLongPress={onLongPress}
-                        onLongPressEnd={onLongPressEnd}
-                        onClick={onCellClick}
-                        tabIndex={getCellTabIndex(processCellId)}
-                      />
-                    )
-                  })}
-                </div>
-              )
-            })}
-          </div>
-        )
-      })}
+                          return (
+                            <ProcessCell
+                              key={p.id}
+                              process={p}
+                              isAnswered={answeredCells.get(processCellId) || false}
+                              isFocused={currentCellId === processCellId}
+                              showAnswer={
+                                showAnswerForCell?.cellId === processCellId
+                                  ? showAnswerForCell.answer
+                                  : null
+                              }
+                              onLongPress={onLongPress}
+                              onLongPressEnd={onLongPressEnd}
+                              onClick={onCellClick}
+                              tabIndex={getCellTabIndex(processCellId)}
+                            />
+                          )
+                        })}
+                      </div>
+                    </td>
+                  )
+                })}
+              </tr>
+            )
+          })}
+        </tbody>
+      </table>
     </div>
   )
 }

src/pages/ProcessPracticePage.tsx

@@ -302,7 +302,6 @@ export default function ProcessPracticePage() {
         {/* 矩阵区域 */}
         <div className="max-w-7xl mx-auto py-4">
           <PracticeMatrix
-            cellSequence={cellSequence}
             answeredCells={answeredCells}
             currentCellId={currentCellId}
             showAnswerForCell={showAnswerForCell}
@@ -315,10 +314,10 @@ export default function ProcessPracticePage() {
       </div>
 
       {/* 底部固定区域 */}
-      <div className="fixed bottom-0 left-0 right-0 bg-white dark:bg-gray-800 border-t border-gray-200 dark:border-gray-700 z-10">
+      <div className="fixed bottom-0 left-0 right-0 bg-white/80 dark:bg-gray-800/80 backdrop-blur-md border-t border-gray-200 dark:border-gray-700 z-10">
         <div className="max-w-7xl mx-auto">
           {/* 输入区域 */}
-          <div className="py-4 border-b border-gray-200 dark:border-gray-700">
+          <div className="py-4 border-b border-gray-200/50 dark:border-gray-700/50">
             <InputArea
               userInput={userInput}
               charStatuses={charStatuses}
@@ -333,7 +332,7 @@ export default function ProcessPracticePage() {
           </div>
 
           {/* 辅助信息区域 */}
-          <div className="py-3 px-4 max-h-32 overflow-y-auto">
+          <div className="py-3 px-4 max-h-40 overflow-y-auto">
             <HintInfo currentCell={currentCell} />
           </div>
         </div>

src/utils/practice.ts

@@ -56,8 +56,8 @@ export function generateCellSequence(): CellInfo[] {
       id: `ka-${ka.id}`,
       type: 'knowledge-area',
       knowledgeAreaId: ka.id,
-      answer: ka.name.replace('项目', ''), // "项目整合管理" -> "整合管理"
-      normalizedAnswer: normalizeAnswer(ka.name, true), // 知识领域去除"项目"
+      answer: ka.name, // 保留完整名称 "项目整合管理"
+      normalizedAnswer: normalizeAnswer(ka.name, true), // 标准化时去除"项目"
       order: order++,
     })