style(ui): 预测区高亮 — 标签置于顶部、填充/边框加深

根据反馈进一步优化:
- 预测标签 "预 测" 从 insideTop 改为 top（预测区正上方），13-14px 800 字重
  加黄色阴影辉光，更醒目
- markArea 填充透明度 0.06→0.14 (主图) / 0.08→0.16 (弹窗)
- markArea 边框 0.35/0.4→0.75/0.8，borderWidth 1→1.5
- markLine 竖线 0.55→0.85，粗度 1.2→1.5
- 更新 app.js 缓存版本号到 20260417b

Author: Shadowell

app/static/app.js

@@ -942,26 +942,28 @@ function _klinePredictOption(merged, predStartIdx, realtimeMap) {
         itemStyle: { color: '#ef4444', color0: '#16a34a', borderColor: '#ef4444', borderColor0: '#16a34a' },
         markArea: predBoundary ? {
           silent: true,
-          itemStyle: { color: 'rgba(250, 204, 21, 0.06)', borderColor: 'rgba(250, 204, 21, 0.35)', borderWidth: 1, borderType: 'dashed' },
+          itemStyle: { color: 'rgba(250, 204, 21, 0.14)', borderColor: 'rgba(250, 204, 21, 0.75)', borderWidth: 1.5, borderType: 'dashed' },
           label: {
             show: true,
-            position: 'insideTop',
-            distance: 6,
-            formatter: '▼ 预测区',
+            position: 'top',
+            distance: 4,
+            formatter: '预 测',
             color: '#0b0f19',
-            fontSize: 11,
-            fontWeight: 700,
-            backgroundColor: 'rgba(250, 204, 21, 0.92)',
+            fontSize: 13,
+            fontWeight: 800,
+            backgroundColor: 'rgba(250, 204, 21, 0.98)',
             borderRadius: 4,
-            padding: [3, 8, 3, 8],
+            padding: [4, 12, 4, 12],
+            shadowColor: 'rgba(250, 204, 21, 0.5)',
+            shadowBlur: 6,
           },
           data: [[{ xAxis: predBoundary }, { xAxis: lastDate }]],
         } : undefined,
         markLine: predBoundary ? {
           silent: true, symbol: 'none',
           data: [{
             xAxis: predBoundary,
-            lineStyle: { type: 'dashed', color: 'rgba(250, 204, 21, 0.55)', width: 1.2 },
+            lineStyle: { type: 'dashed', color: 'rgba(250, 204, 21, 0.85)', width: 1.5 },
             label: { show: false },
           }],
         } : undefined,
@@ -2285,26 +2287,28 @@ function renderPredictChartFull(merged, predStartIdx) {
         itemStyle: { color: '#ef4444', color0: '#16a34a', borderColor: '#ef4444', borderColor0: '#16a34a' },
         markArea: predBoundary ? {
           silent: true,
-          itemStyle: { color: 'rgba(250, 204, 21, 0.08)', borderColor: 'rgba(250, 204, 21, 0.4)', borderWidth: 1, borderType: 'dashed' },
+          itemStyle: { color: 'rgba(250, 204, 21, 0.16)', borderColor: 'rgba(250, 204, 21, 0.8)', borderWidth: 1.5, borderType: 'dashed' },
           label: {
             show: true,
-            position: 'insideTop',
-            distance: 6,
-            formatter: '▼ 预测区',
+            position: 'top',
+            distance: 4,
+            formatter: '预 测',
             color: '#0b0f19',
-            fontSize: 12,
-            fontWeight: 700,
-            backgroundColor: 'rgba(250, 204, 21, 0.92)',
+            fontSize: 14,
+            fontWeight: 800,
+            backgroundColor: 'rgba(250, 204, 21, 0.98)',
             borderRadius: 4,
-            padding: [3, 8, 3, 8],
+            padding: [4, 14, 4, 14],
+            shadowColor: 'rgba(250, 204, 21, 0.5)',
+            shadowBlur: 6,
           },
           data: [[{ xAxis: predBoundary }, { xAxis: lastDate }]],
         } : undefined,
         markLine: predBoundary ? {
           silent: true, symbol: 'none',
           data: [{
             xAxis: predBoundary,
-            lineStyle: { type: 'dashed', color: 'rgba(250, 204, 21, 0.6)', width: 1.2 },
+            lineStyle: { type: 'dashed', color: 'rgba(250, 204, 21, 0.85)', width: 1.5 },
             label: { show: false },
           }],
         } : undefined,

app/static/index.html

@@ -421,6 +421,6 @@ <h3 id="predictModalTitle">预测加载中...</h3>
   </div>
 
   <script src="https://cdn.jsdelivr.net/npm/echarts@5/dist/echarts.min.js"></script>
-  <script src="/static/app.js?v=20260416f"></script>
+  <script src="/static/app.js?v=20260417b"></script>
 </body>
 </html>