调整PPT数据来源的宽度，放下更多的字

src/styles/global.scss

@@ -139,10 +139,12 @@ button:-moz-focusring,[type="button"]:-moz-focusring,[type="reset"]:-moz-focusri
     display: flex;
     gap: 0 20px;
     .chart-source {
-        width: 30%;
+        /* width: 30%; */
+        flex:1;
         min-width: 150px;
     }
 
+
     .calendar-cont {
         display: block;
         margin: 0 auto;
@@ -151,7 +153,7 @@ button:-moz-focusring,[type="button"]:-moz-focusring,[type="reset"]:-moz-focusri
     }
 
     .chart-instruction {
-        flex: 1;
+        width: 30%;
         text-align: right;
     }
 }