更新UI

src/pages/UI8/UI8.css

@@ -96,6 +96,7 @@
   -ms-overflow-style: none;
   /* IE 和 Edge */
   padding: 20px 10px;
+  margin-bottom: 10px;
 }
 
 .ui8-pdf-container::-webkit-scrollbar {
@@ -232,6 +233,7 @@
   flex-direction: column;
   align-items: center;
   justify-content: center;
+  transition: opacity 0.3s ease, transform 0.3s ease;
 }
 
 .ui8-right-section :last-child {
@@ -239,6 +241,12 @@
   margin-left: 100px;
 }
 
+.ui8-right-section--hidden {
+  opacity: 0;
+  transform: translateX(80px);
+  pointer-events: none;
+}
+
 .ui8-printer-panel {
   width: 100%;
   height: -6px;