style: 指法样式优化

src/subpages/colexiu/fingering/index.module.less

@@ -24,6 +24,13 @@
     > div {
       max-width: 60%;
       margin: auto;
+      img {
+        margin: 10px auto;
+        height: 100%;
+        width: 100% !important;
+        max-width: 100% !important;
+        max-height: 100% !important;
+      }
     }
   }
 

src/subpages/colexiu/index.tsx

@@ -364,7 +364,7 @@ export default defineComponent({
                 paddingBottom:
                   needFingering && (fingeringDetail.value as any).height
                     ? (fingeringDetail.value as any).height
-                    : '60px',
+                    : '40px',
                 background: SettingState.sett.camera
                   ? `rgba(${SettingState.sett.eyeProtection ? '253,244,229' : '255,255,255'} ,${
                       SettingState.sett.opacity / 100