增加聊天功能

common/css/common.scss

@@ -105,6 +105,7 @@ page,
 		justify-content: center;
 	}
 	.u-flex-col{
+		display: flex;
 		flex-direction: column!important;
 	}
 	.min-h-100vh{
@@ -115,4 +116,59 @@ page,
 	}
 	.align-center{
 		align-items: center;
-	}
+	}
+	.u-row-between{
+		justify-content: space-between;
+	}
+	.u-row-right {
+		justify-content: flex-end;
+	}
+
+	// 定义字体(rpx)单位，大于或等于20的都为rpx单位字体
+@for $i from 20 through 40 {
+	.u-font-#{$i} {
+		font-size: $i + rpx;
+	}
+}
+
+.min-page{
+	/* #ifdef H5 */
+	min-height: calc(100vh - 44px);
+	/* #endif */
+	/* #ifndef H5 */
+	min-height: 100vh;
+	/* #endif */
+}
+.bg-f7{
+	background-color: #F7F7F7;
+}
+
+.default-box-padding{
+	padding: 32rpx 28rpx;
+}
+.default-box-radius{
+	border-radius: 16rpx;
+}
+.default-box-x-padding{
+	padding-left: 28rpx;
+	padding-right: 28rpx;
+}
+.default-box-y-padding{
+	padding-top: 32rpx;
+	padding-bottom: 32rpx;
+}
+$height: 70rpx;
+
+
+  .u-col-baseline{
+	align-items: baseline;
+  }
+  .text-right{
+	text-align: right;
+  }
+  .u-row-center{
+	justify-content: center;	
+  }
+  .u-col-center{
+	align-items: center;
+  }