fix(练习): 优化移动端布局和样式

- 调整底部固定区域布局，输入框和辅助信息分层显示
- 压缩矩阵格子间距和内边距，适配小屏幕
- 辅助信息区域限高并可滚动，只显示前2个裁剪因素
- 减小字体大小和组件尺寸，提升移动端体验
- 修复表头吸顶位置偏移

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

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

src/components/practice/HintInfo.tsx

@@ -1,4 +1,3 @@
-import { motion } from 'framer-motion'
 import type { CellInfo } from '@/utils/practice'
 import { knowledgeAreaMap, processMap } from '@/data'
 
@@ -13,72 +12,53 @@ export function HintInfo({ currentCell }: HintInfoProps) {
     const ka = knowledgeAreaMap.get(currentCell.knowledgeAreaId)
     if (!ka?.tailoringFactors || ka.tailoringFactors.length === 0) {
       return (
-        <motion.div
-          id="hint-info"
-          className="bg-white dark:bg-gray-800 rounded-lg shadow-lg p-6 max-w-3xl mx-auto"
-          initial={{ opacity: 0, y: 20 }}
-          animate={{ opacity: 1, y: 0 }}
-          transition={{ duration: 0.3 }}
-        >
-          <h3 className="text-lg font-semibold text-gray-900 dark:text-gray-100 mb-2">
-            敏捷裁剪因素
-          </h3>
-          <p className="text-gray-500 dark:text-gray-400">暂无裁剪因素信息</p>
-        </motion.div>
+        <div className="text-sm text-gray-500 dark:text-gray-400">
+          暂无裁剪因素信息
+        </div>
       )
     }
 
     return (
-      <motion.div
-        id="hint-info"
-        className="bg-white dark:bg-gray-800 rounded-lg shadow-lg p-6 max-w-3xl mx-auto"
-        initial={{ opacity: 0, y: 20 }}
-        animate={{ opacity: 1, y: 0 }}
-        transition={{ duration: 0.3 }}
-      >
-        <h3 className="text-lg font-semibold text-gray-900 dark:text-gray-100 mb-4">
+      <div className="space-y-2">
+        <h3 className="text-sm font-semibold text-gray-900 dark:text-gray-100">
           敏捷裁剪因素
         </h3>
-        <div className="space-y-3">
-          {ka.tailoringFactors.map((factor, index) => (
-            <div
-              key={index}
-              className="border-l-4 border-blue-500 pl-4 py-2"
-            >
-              <h4 className="font-medium text-gray-900 dark:text-gray-100 mb-1">
-                {factor.title}
-              </h4>
-              <p className="text-sm text-gray-600 dark:text-gray-400">
+        <div className="space-y-1.5 text-xs">
+          {ka.tailoringFactors.slice(0, 2).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">
                 {factor.description}
-              </p>
+              </span>
             </div>
           ))}
+          {ka.tailoringFactors.length > 2 && (
+            <div className="text-gray-500 dark:text-gray-500">
+              +{ka.tailoringFactors.length - 2} 个因素...
+            </div>
+          )}
         </div>
-      </motion.div>
+      </div>
     )
   } else {
     const process = processMap.get(currentCell.processId!)
     const purpose = process?.purpose
 
     return (
-      <motion.div
-        id="hint-info"
-        className="bg-white dark:bg-gray-800 rounded-lg shadow-lg p-6 max-w-3xl mx-auto"
-        initial={{ opacity: 0, y: 20 }}
-        animate={{ opacity: 1, y: 0 }}
-        transition={{ duration: 0.3 }}
-      >
-        <h3 className="text-lg font-semibold text-gray-900 dark:text-gray-100 mb-4">
+      <div>
+        <h3 className="text-sm font-semibold text-gray-900 dark:text-gray-100 mb-1">
           主要作用
         </h3>
         {purpose ? (
-          <p className="text-gray-700 dark:text-gray-300 leading-relaxed">
+          <p className="text-xs text-gray-700 dark:text-gray-300 line-clamp-2">
             {purpose}
           </p>
         ) : (
-          <p className="text-gray-500 dark:text-gray-400">暂无主要作用说明</p>
+          <p className="text-xs text-gray-500 dark:text-gray-400">暂无主要作用说明</p>
         )}
-      </motion.div>
+      </div>
     )
   }
 }

src/components/practice/KnowledgeAreaCell.tsx

@@ -38,13 +38,13 @@ export function KnowledgeAreaCell({
     <motion.div
       data-cell-id={cellId}
       className={clsx(
-        'relative rounded-lg p-4 transition-all duration-200 cursor-pointer',
+        '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-[60px]'
+        !isAnswered && 'min-h-[40px]'
       )}
       onClick={() => onClick(cellId)}
       tabIndex={tabIndex}
@@ -58,14 +58,14 @@ export function KnowledgeAreaCell({
       transition={{ duration: 0.2 }}
     >
       {isAnswered && cellInfo && (
-        <div className="flex items-center gap-2">
+        <div className="flex items-center gap-1.5">
           <span
-            className="inline-block px-2 py-1 rounded text-white font-medium text-sm"
+            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">
+          <span className="text-gray-900 dark:text-gray-100 font-medium text-sm">
             {cellInfo.answer}
           </span>
         </div>

src/components/practice/PracticeMatrix.tsx

@@ -28,19 +28,19 @@ export function PracticeMatrix({
   const sortedPGs = [...processGroups].sort((a, b) => a.order - b.order)
 
   return (
-    <div className="practice-matrix p-4">
+    <div className="practice-matrix px-2">
       {/* 表头 */}
       <div
-        className="grid gap-3 mb-4 sticky bg-gray-50 dark:bg-gray-900 py-2 z-10"
+        className="grid gap-2 mb-3 sticky bg-gray-50 dark:bg-gray-900 py-2 z-10"
         style={{
           gridTemplateColumns: 'repeat(5, 1fr)',
-          top: '60px', // 避开顶部进度条
+          top: '56px', // 避开顶部进度条
         }}
       >
         {sortedPGs.map((pg) => (
           <div
             key={pg.id}
-            className="text-center font-semibold text-sm text-gray-700 dark:text-gray-300"
+            className="text-center font-semibold text-xs text-gray-700 dark:text-gray-300"
           >
             {pg.name}
           </div>
@@ -55,11 +55,11 @@ export function PracticeMatrix({
         return (
           <div
             key={ka.id}
-            className="ka-section mb-6"
+            className="ka-section mb-4"
             style={{
               display: 'grid',
               gridTemplateColumns: 'repeat(5, 1fr)',
-              gap: '0.75rem',
+              gap: '0.5rem',
             }}
           >
             {/* 知识领域格子（横跨5列） */}
@@ -91,14 +91,14 @@ export function PracticeMatrix({
                   <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: '80px' }}
+                    style={{ minHeight: '50px' }}
                     aria-hidden="true"
                   />
                 )
               }
 
               return (
-                <div key={pg.id} className="process-column flex flex-col gap-2">
+                <div key={pg.id} className="process-column flex flex-col gap-1.5">
                   {processes.map((p) => {
                     const processCellId = `process-${p.id}`
 

src/components/practice/ProcessCell.tsx

@@ -37,13 +37,13 @@ export function ProcessCell({
     <motion.div
       data-cell-id={cellId}
       className={clsx(
-        'relative rounded-lg p-3 transition-all duration-200 cursor-pointer',
+        '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-[60px]'
+        !isAnswered && 'min-h-[40px]'
       )}
       onClick={() => onClick(cellId)}
       tabIndex={tabIndex}
@@ -57,14 +57,14 @@ export function ProcessCell({
       transition={{ duration: 0.15 }}
     >
       {isAnswered && (
-        <div className="flex items-center gap-2">
+        <div className="flex items-center gap-1.5">
           <span
-            className="inline-block px-1.5 py-0.5 rounded text-white font-medium shrink-0"
-            style={{ backgroundColor: ka?.color, fontSize: '10px' }}
+            className="inline-block px-1 py-0.5 rounded text-white font-medium shrink-0"
+            style={{ backgroundColor: ka?.color, fontSize: '9px' }}
           >
             {process.code}
           </span>
-          <span className="text-gray-900 dark:text-gray-100 text-sm">
+          <span className="text-gray-900 dark:text-gray-100 text-xs">
             {process.name}
           </span>
         </div>

src/pages/ProcessPracticePage.tsx

@@ -297,38 +297,46 @@ export default function ProcessPracticePage() {
         </div>
       </div>
 
-      {/* 矩阵区域 */}
-      <div className="max-w-7xl mx-auto py-8">
-        <PracticeMatrix
-          cellSequence={cellSequence}
-          answeredCells={answeredCells}
-          currentCellId={currentCellId}
-          showAnswerForCell={showAnswerForCell}
-          onLongPress={handleLongPress}
-          onLongPressEnd={handleLongPressEnd}
-          onCellClick={handleCellClick}
-          getCellTabIndex={getCellTabIndex}
-        />
+      {/* 主内容区域 */}
+      <div className="pb-80">
+        {/* 矩阵区域 */}
+        <div className="max-w-7xl mx-auto py-4">
+          <PracticeMatrix
+            cellSequence={cellSequence}
+            answeredCells={answeredCells}
+            currentCellId={currentCellId}
+            showAnswerForCell={showAnswerForCell}
+            onLongPress={handleLongPress}
+            onLongPressEnd={handleLongPressEnd}
+            onCellClick={handleCellClick}
+            getCellTabIndex={getCellTabIndex}
+          />
+        </div>
       </div>
 
-      {/* 输入区域（固定在屏幕中下部） */}
-      <div className="fixed bottom-32 left-0 right-0 z-10">
-        <InputArea
-          userInput={userInput}
-          charStatuses={charStatuses}
-          isComposing={isComposing}
-          inputLocked={inputLocked}
-          lastErrorTimestamp={lastErrorTimestamp}
-          onInputChange={handleInputChange}
-          onCompositionStart={handleCompositionStart}
-          onCompositionEnd={handleCompositionEnd}
-          onPaste={handlePaste}
-        />
-      </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="max-w-7xl mx-auto">
+          {/* 输入区域 */}
+          <div className="py-4 border-b border-gray-200 dark:border-gray-700">
+            <InputArea
+              userInput={userInput}
+              charStatuses={charStatuses}
+              isComposing={isComposing}
+              inputLocked={inputLocked}
+              lastErrorTimestamp={lastErrorTimestamp}
+              onInputChange={handleInputChange}
+              onCompositionStart={handleCompositionStart}
+              onCompositionEnd={handleCompositionEnd}
+              onPaste={handlePaste}
+            />
+          </div>
 
-      {/* 辅助信息区域（固定在底部） */}
-      <div className="fixed bottom-0 left-0 right-0 bg-gray-50 dark:bg-gray-900 border-t border-gray-200 dark:border-gray-700 py-4 z-10">
-        <HintInfo currentCell={currentCell} />
+          {/* 辅助信息区域 */}
+          <div className="py-3 px-4 max-h-32 overflow-y-auto">
+            <HintInfo currentCell={currentCell} />
+          </div>
+        </div>
       </div>
 
       {/* 无障碍通告区域 */}