修复部分bug和调整首页的移动端布局

src/assets/style/style.css

@@ -15,6 +15,11 @@ input {
   outline: none;
   border: 0.1rem solid #dcdfe6;
 }
+@media (max-width: 768px) {
+  .mdhidden {
+    display: none !important;
+  }
+}
 select {
   height: 2.5rem;
   border: 0.2rem solid #c4c4c4 !important;

src/assets/style/style.less

@@ -16,6 +16,11 @@ input{
 	outline: none;
 	border: .1rem solid #dcdfe6;
 }
+@media (max-width: 768px) {
+	.mdhidden{
+		display: none !important;				
+	}
+}
 select{
 	height: 2.5rem;
 	border: 0.2rem solid #c4c4c4 !important;