feat: 游戏场景添加宗门后山背景层

assets/sprites/ui/宗门后山.png.import

@@ -0,0 +1,40 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://cweu17mwblxmg"
+path="res://.godot/imported/宗门后山.png-7a9df51075ec2cc8660f9ccd87b9a616.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://assets/sprites/ui/宗门后山.png"
+dest_files=["res://.godot/imported/宗门后山.png-7a9df51075ec2cc8660f9ccd87b9a616.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/uastc_level=0
+compress/rdo_quality_loss=0.0
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/channel_remap/red=0
+process/channel_remap/green=1
+process/channel_remap/blue=2
+process/channel_remap/alpha=3
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1

src/Core/MainGame.tscn

@@ -4,11 +4,21 @@
 [ext_resource type="PackedScene" uid="uid://cahux61qqblje" path="res://src/UI/Panels/DisciplesPanel/DisciplesPanel.tscn" id="1_d5cpm"]
 [ext_resource type="PackedScene" uid="uid://dl0tb68vsw3c6" path="res://src/UI/HUD/TopBarHUD.tscn" id="1_g6xmk"]
 [ext_resource type="PackedScene" uid="uid://cahbpjpnmbcfv" path="res://src/UI/Panels/RecruitPanel/RecruitPanel.tscn" id="1_k5nrm"]
+[ext_resource type="Texture2D" uid="uid://cweu17mwblxmg" path="res://assets/sprites/ui/宗门后山.png" id="2_2atgf"]
 [ext_resource type="Texture2D" uid="uid://dnjuv1btbxm4o" path="res://assets/sprites/ui/宗门全景.png" id="5_58g0x"]
 
 [node name="MainGame" type="Node" unique_id=2053561265]
 script = ExtResource("1_8bu23")
 
+[node name="BackMounton" type="TextureRect" parent="." unique_id=588798961]
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+texture = ExtResource("2_2atgf")
+expand_mode = 2
+
 [node name="BG" type="TextureRect" parent="." unique_id=1246873308]
 anchors_preset = 15
 anchor_right = 1.0