调整了三级分类的文字样式。review by shixiang。

@@ -77,7 +77,7 @@ export default class HotCategoryList extends Component{
 	            <TouchableOpacity activeOpacity={1} onPress={() => this.props.onPressHotCategoryItem && this.props.onPressHotCategoryItem(rowData.toJS(),rowID)}>
 	                <View style={styles.rowContainer}>
                 		<Image style={styles.rowThumbnail} source={{uri: imageUrl}}/>
-                		<Text style={styles.rowText} numberOfLines={1}>{rowData.get("category_name")}</Text>
+                		<View style={styles.rowTextContainer}><Text style={styles.rowText} numberOfLines={2}>{rowData.get("category_name")}</Text></View>
 	                </View>
 	            </TouchableOpacity>
 	        );
@@ -119,7 +119,7 @@ let styles = StyleSheet.create({
 		flexDirection: 'row',
         flexWrap: 'wrap',
 		alignItems:'center',
-		backgroundColor: '#fdfbff',
+		backgroundColor: '#f5f7f6',
 	},
 
 	headerContainer:{
@@ -168,7 +168,7 @@ let styles = StyleSheet.create({
 
 	rowContainer:{
 		width: 70 * DEVICE_WIDTH_RATIO,
-		height: 70 * DEVICE_WIDTH_RATIO,
+		height: 83 * DEVICE_WIDTH_RATIO,
 		paddingLeft: 8.5 * DEVICE_WIDTH_RATIO,
 		paddingRight: 8.5 * DEVICE_WIDTH_RATIO,
 		justifyContent: 'center',
@@ -180,9 +180,13 @@ let styles = StyleSheet.create({
 		height: 55 * DEVICE_WIDTH_RATIO,
 	},
 
-	rowText:{
+	rowTextContainer:{
 		width: 53 * DEVICE_WIDTH_RATIO,
-		height: 15 * DEVICE_WIDTH_RATIO,
+		height: 28 * DEVICE_WIDTH_RATIO,
+		marginTop: 2 * DEVICE_WIDTH_RATIO,
+	},
+
+	rowText:{
 		fontSize: 9 * DEVICE_WIDTH_RATIO,
 		color: '#B0B0B0',
 		textAlign: 'center',