diff --git a/art/__pycache__/big_cases.cpython-314.pyc b/art/__pycache__/big_cases.cpython-314.pyc
new file mode 100644
index 0000000..972e03c
Binary files /dev/null and b/art/__pycache__/big_cases.cpython-314.pyc differ
diff --git a/art/__pycache__/sprites.cpython-314.pyc b/art/__pycache__/sprites.cpython-314.pyc
index e88a153..7c4eabd 100644
Binary files a/art/__pycache__/sprites.cpython-314.pyc and b/art/__pycache__/sprites.cpython-314.pyc differ
diff --git a/art/big_cases.py b/art/big_cases.py
new file mode 100644
index 0000000..ee2d3d9
--- /dev/null
+++ b/art/big_cases.py
@@ -0,0 +1,1159 @@
+
+"""显卡检视大图叠加层：用于放大镜检视台的各种真假/成色鉴定 case 细节层。
+与底图同尺寸（192×128），仅绘制发生变化的像素。
+"""
+
+import math
+import random
+from big import (
+    BW,
+    BH,
+    FANS,
+    FR,
+    NOTCH_X,
+    SH0,
+    SH1,
+    FING_Y0,
+    FING_Y1,
+    Canvas,
+    text57,
+    F57,
+)
+
+
+def _new():
+    return Canvas(BW, BH)
+
+
+# ==============================================================================
+# 正面 Case
+# ==============================================================================
+
+
+def fan_dust1():
+    """1. 风扇轻度积灰：叶片边缘灰线、轴心轻微积垢、少量蛛丝细线。"""
+    c = _new()
+    rnd = random.Random(101)
+
+    for cx, cy in FANS:
+        # 轴心周围微灰圈
+        for a_deg in range(0, 360, 15):
+            rad = math.radians(a_deg)
+            r = 7.0 + (rnd.random() * 2.5)
+            x, y = int(cx + math.cos(rad) * r), int(cy + math.sin(rad) * r)
+            c.put(x, y, "m" if rnd.random() < 0.65 else "d")
+
+        # 九片叶片的前缘微量积灰与边角聚灰
+        for blade in range(9):
+            base_ang = blade * (2 * math.pi / 9)
+            for r in range(10, FR - 4, 2):
+                ang = base_ang - (r - 7) * 0.055
+                x = int(cx + math.cos(ang) * r)
+                y = int(cy + math.sin(ang) * r)
+                if rnd.random() < 0.40:
+                    c.put(x, y, "b" if rnd.random() < 0.6 else "m")
+                # 叶尖处积微灰
+                if r > FR - 8 and rnd.random() < 0.55:
+                    c.put(x + 1, y, "l" if rnd.random() < 0.3 else "m")
+
+        # 2~3 根搭在扇叶与风道外框之间的微细蛛丝
+        for p0, p1 in (
+            ((cx - 18, cy - 14), (cx - 25, cy - 10)),
+            ((cx + 10, cy + 18), (cx + 22, cy + 14)),
+        ):
+            x0, y0 = p0
+            x1, y1 = p1
+            steps = max(abs(x1 - x0), abs(y1 - y0))
+            for i in range(steps + 1):
+                t = i / steps
+                sx = int(x0 + (x1 - x0) * t)
+                sy = int(y0 + (y1 - y0) * t + math.sin(t * math.pi) * 1.5)
+                c.put(sx, sy, "l" if i % 2 == 0 else "b")
+
+    return c
+
+
+def fan_dust2():
+    """1. 风扇重度积灰：轴心厚灰结垢、叶面大团絮状灰斑、风道外圈堵灰、蜘蛛网细丝。"""
+    c = _new()
+    rnd = random.Random(102)
+
+    for cx, cy in FANS:
+        # 轴心及周边重垢厚积
+        for dy in range(-12, 13):
+            for dx in range(-12, 13):
+                r = math.hypot(dx, dy)
+                if 5.5 <= r <= 13.0:
+                    val = rnd.random()
+                    if val < 0.70:
+                        c.put(
+                            cx + dx,
+                            cy + dy,
+                            "b" if val < 0.25 else "m" if val < 0.55 else "d",
+                        )
+
+        # 扇叶大面积覆灰与灰絮团
+        for blade in range(9):
+            base_ang = blade * (2 * math.pi / 9)
+            for r in range(8, FR - 3):
+                ang = base_ang - (r - 7) * 0.055
+                x = int(cx + math.cos(ang) * r)
+                y = int(cy + math.sin(ang) * r)
+                c.put(x, y, "b" if rnd.random() < 0.4 else "m")
+                if rnd.random() < 0.35:
+                    c.put(x, y + 1, "d")
+
+        # 风道死角与外圈凹陷堵灰
+        for a_deg in range(0, 360, 4):
+            rad = math.radians(a_deg)
+            for dr in (FR - 6, FR - 5, FR - 4):
+                if rnd.random() < 0.65:
+                    x = int(cx + math.cos(rad) * dr)
+                    y = int(cy + math.sin(rad) * dr)
+                    c.put(x, y, "d" if (x + y) % 2 else "m")
+
+        # 灰絮团（带厚度高光）
+        clumps = (
+            (cx - 14, cy - 8),
+            (cx + 12, cy - 14),
+            (cx - 8, cy + 15),
+            (cx + 15, cy + 12),
+        )
+        for kx, ky in clumps:
+            c.rect(kx - 1, ky - 1, kx + 2, ky + 1, "m")
+            c.rect(kx - 1, ky - 1, kx + 1, ky - 1, "l")
+            c.put(kx + 2, ky + 1, "d")
+            c.put(kx - 2, ky, "b")
+            c.put(kx + 3, ky, "d")
+
+        # 蛛网连线（从内到外蜘蛛网状蛛丝结构）
+        anchors = [
+            (cx - 24, cy - 12),
+            (cx - 16, cy - 20),
+            (cx, cy - 25),
+            (cx + 18, cy - 18),
+            (cx - 12, cy - 5),
+            (cx + 8, cy - 8),
+        ]
+        edges = [(0, 4), (1, 4), (1, 5), (2, 5), (3, 5), (4, 5)]
+        for i0, i1 in edges:
+            x0, y0 = anchors[i0]
+            x1, y1 = anchors[i1]
+            steps = max(abs(x1 - x0), abs(y1 - y0))
+            for s in range(steps + 1):
+                t = s / steps
+                sx = int(x0 + (x1 - x0) * t)
+                sy = int(y0 + (y1 - y0) * t)
+                c.put(sx, sy, "w" if s % 3 == 0 else "l")
+
+    return c
+
+
+def fan_chip():
+    """2. 风扇叶片缺角：扇叶断裂缺损，断面 jagged 崩缺、露出黑风道底，带裂纹延伸至根部。"""
+    c = _new()
+
+    # 左风扇断叶：位于右上方叶片（约 15°~45°）
+    cx, cy = FANS[0]
+    # 崩缺露出底部风道黑腔
+    for r in range(16, FR - 2):
+        for deg in range(12, 44):
+            rad = math.radians(deg)
+            # 形成犬牙交错的不规则裂口形状
+            r_edge = 18 + int(3 * math.sin(deg * 0.7) + 2 * math.cos(deg * 1.3))
+            if r >= r_edge:
+                px = int(cx + math.cos(rad) * r)
+                py = int(cy + math.sin(rad) * r)
+                c.put(px, py, "n" if (px + py) % 3 else "k")
+
+    # 断裂口侧缘受光白色高光毛刺与背光阴影
+    break_edge = [
+        (cx + 17, cy + 6),
+        (cx + 18, cy + 8),
+        (cx + 19, cy + 11),
+        (cx + 20, cy + 12),
+        (cx + 22, cy + 14),
+        (cx + 24, cy + 16),
+        (cx + 25, cy + 20),
+    ]
+    for i, (bx, by) in enumerate(break_edge):
+        c.put(bx, by, "h" if i % 2 == 0 else "w")
+        c.put(bx + 1, by + 1, "k")
+
+    # 裂纹延伸（Stress crack）自断面一路裂向轴心根部
+    crack = [
+        (cx + 16, cy + 6),
+        (cx + 15, cy + 5),
+        (cx + 13, cy + 5),
+        (cx + 12, cy + 4),
+        (cx + 10, cy + 4),
+        (cx + 9, cy + 3),
+        (cx + 7, cy + 2),
+    ]
+    for kx, ky in crack:
+        c.put(kx, ky, "n")
+        c.put(kx, ky - 1, "l")  # 裂缝边缘受光面
+
+    # 右风扇：叶尖崩掉一个小角
+    rx, ry = FANS[1]
+    for r in range(FR - 8, FR - 2):
+        for deg in range(215, 235):
+            rad = math.radians(deg)
+            if r > FR - 6 + (deg % 3):
+                c.put(
+                    int(rx + math.cos(rad) * r),
+                    int(ry + math.sin(rad) * r),
+                    "n",
+                )
+    c.put(rx - 21, ry - 14, "h")
+    c.put(rx - 22, ry - 13, "w")
+    c.put(rx - 20, ry - 13, "k")
+
+    return c
+
+
+def fan_oil():
+    """3. 风扇轴心漏油/褪色：轴承油渍沿离心方向与重力向下渗出浸润、轴心贴纸褪色混浊。"""
+    c = _new()
+
+    for cx, cy in FANS:
+        # 轴心贴纸油污褪色（盖掉原来的鲜艳色，变暗浊褐灰）
+        for dy in range(-4, 5):
+            for dx in range(-4, 5):
+                r = math.hypot(dx, dy)
+                if r <= 4.2:
+                    c.put(cx + dx, cy + dy, "e" if r < 2.5 else "d")
+
+        # 轴心缝隙溢出的深色环状油垢
+        for deg in range(0, 360, 10):
+            rad = math.radians(deg)
+            for r in (5.0, 6.0, 7.0):
+                ox = int(cx + math.cos(rad) * r)
+                oy = int(cy + math.sin(rad) * r)
+                c.put(ox, oy, "c" if deg % 20 == 0 else "e")
+
+        # 向下及顺着离心叶片流淌的渗油泪痕（重力向下，沿扇叶根部流淌）
+        # 1) 主滴漏条（竖直向下）
+        drips = [
+            (cx, cy + 7, "c"),
+            (cx + 1, cy + 7, "e"),
+            (cx, cy + 8, "c"),
+            (cx - 1, cy + 8, "q"),
+            (cx, cy + 9, "e"),
+            (cx, cy + 10, "c"),
+            (cx + 1, cy + 10, "h"),  # 油液反光
+            (cx, cy + 11, "e"),
+            (cx, cy + 12, "q"),
+            (cx, cy + 13, "e"),
+            (cx, cy + 14, "c"),
+            (cx, cy + 15, "h"),
+            (cx, cy + 16, "e"),
+            (cx + 1, cy + 17, "q"),
+        ]
+        for dx, dy, col in drips:
+            c.put(dx, dy, col)
+
+        # 2) 右下斜向叶片根部浸润油晕
+        side_drips = [
+            (cx + 6, cy + 5, "e"),
+            (cx + 7, cy + 6, "c"),
+            (cx + 8, cy + 7, "q"),
+            (cx + 9, cy + 7, "h"),
+            (cx + 10, cy + 8, "e"),
+            (cx + 11, cy + 9, "c"),
+            (cx + 12, cy + 10, "e"),
+            (cx + 13, cy + 10, "q"),
+        ]
+        for dx, dy, col in side_drips:
+            c.put(dx, dy, col)
+
+        # 3) 左上回渗微斑
+        c.put(cx - 6, cy - 4, "e")
+        c.put(cx - 7, cy - 5, "q")
+        c.put(cx - 8, cy - 5, "c")
+
+    return c
+
+
+def fin_dim():
+    """4. 金手指发暗：镀金磨损发褐，失去高光亮黄，露出发黑氧化的暗铜色和划轨。"""
+    c = _new()
+    x0, x1 = SH0[0], SH1[0]
+
+    for x in range(x0 + 2, x1 - 2):
+        if NOTCH_X - 2 <= x <= NOTCH_X + 3 or (x - x0) % 4 == 3:
+            continue
+        pin_offset = (x - x0) % 4
+
+        # 顶部斜切高光被暗黄铜/暗灰取代
+        c.put(x, FING_Y0, "q" if x % 2 == 0 else "m")
+
+        # 针脚本体：失去 'Y'，变为接触氧化的暗褐 'e'、暗铜 'q' 与焦褐
+        for y in range(FING_Y0 + 1, FING_Y1):
+            # 模拟 PCIe 插拔划道痕迹（中间有极细竖向磨损深槽）
+            if pin_offset == 1 and y in (112, 113, 116, 117, 118, 120):
+                c.put(x, y, "c")  # 磨损黑槽
+            elif (x + y * 2) % 5 == 0:
+                c.put(x, y, "c")
+            elif (x + y) % 2 == 0:
+                c.put(x, y, "e")
+            else:
+                c.put(x, y, "q")
+
+        # 底部插拔磨耗端
+        c.put(x, FING_Y1, "c" if pin_offset == 0 else "e")
+
+    return c
+
+
+def fin_oxide():
+    """5. 金手指氧化：铜绿由根部与底部向上爬蔓延，斑驳的蓝绿/深绿锈斑（'G'/'g2'/'S'）。"""
+    c = _new()
+    rnd = random.Random(205)
+    x0, x1 = SH0[0], SH1[0]
+
+    # 定义几个主要锈蚀蔓延爆发区（树枝状爬生）
+    oxide_zones = [
+        (35, 62, 11),  # (x_start, x_end, max_h)
+        (78, 105, 8),
+        (125, 168, 13),
+    ]
+
+    for x in range(x0 + 2, x1 - 2):
+        if NOTCH_X - 2 <= x <= NOTCH_X + 3 or (x - x0) % 4 == 3:
+            continue
+
+        # 计算当前 x 的铜锈高度
+        h_grow = 0
+        for z0, z1, max_h in oxide_zones:
+            if z0 <= x <= z1:
+                mid = (z0 + z1) / 2
+                span = (z1 - z0) / 2
+                wave = math.cos((x - mid) / span * (math.pi / 2))
+                h_grow = max(
+                    h_grow,
+                    int(
+                        wave * max_h
+                        + rnd.randint(-1, 2)
+                        + (1 if x % 3 == 0 else 0)
+                    ),
+                )
+
+        if h_grow > 0:
+            # 铜锈从底部根部 FING_Y1 往上爬
+            for dy in range(h_grow + 1):
+                y = FING_Y1 - dy
+                if y < FING_Y0:
+                    continue
+                # 锈壳中心粉绿 'S'，主体 'G'，深根 'g2'
+                if dy == h_grow:
+                    col = "S" if rnd.random() < 0.4 else "G"
+                elif dy > h_grow // 2:
+                    col = (
+                        "G"
+                        if rnd.random() < 0.7
+                        else "S"
+                        if rnd.random() < 0.5
+                        else "g2"
+                    )
+                else:
+                    col = "g2" if rnd.random() < 0.8 else "c"
+                c.put(x, y, col)
+
+            # 少量铜锈蔓延到相邻缝隙
+            if (x - x0) % 4 == 2 and rnd.random() < 0.65:
+                c.put(x + 1, FING_Y1 - (h_grow // 2), "g2")
+
+    return c
+
+
+def brk_scratch():
+    """6. 挡板划痕与凹坑：斜向金属切划痕（亮边+暗槽）与冲压碰伤凹坑。"""
+    c = _new()
+
+    # 细划痕 1：贯穿上部金属区（斜向上提）
+    scratch1 = [
+        (5, 18, "h"),
+        (6, 17, "w"),
+        (7, 16, "h"),
+        (8, 15, "w"),
+        (9, 14, "h"),
+        (10, 13, "l"),
+        (11, 12, "h"),
+        (12, 11, "k"),
+    ]
+    for x, y, col in scratch1:
+        c.put(x, y, col)
+        c.put(x, y + 1, "k")  # 划痕背光刻沟
+
+    # 细划痕 2：接口 1 与 2 之间的斜割痕
+    scratch2 = [
+        (7, 31, "w"),
+        (8, 32, "h"),
+        (9, 32, "k"),
+        (10, 33, "h"),
+        (11, 33, "w"),
+        (12, 34, "h"),
+        (13, 35, "k"),
+        (14, 35, "h"),
+        (15, 36, "w"),
+    ]
+    for x, y, col in scratch2:
+        c.put(x, y, col)
+        c.put(x, y - 1, "d")
+
+    # 细划痕 3：接口 2 与 3 之间十字交叉滑刀
+    cross1 = [
+        (6, 51, "h"),
+        (7, 52, "w"),
+        (8, 52, "h"),
+        (9, 53, "h"),
+        (10, 54, "w"),
+        (11, 54, "k"),
+    ]
+    cross2 = [
+        (6, 54, "w"),
+        (7, 53, "h"),
+        (8, 53, "k"),
+        (9, 52, "h"),
+        (10, 51, "w"),
+        (11, 51, "h"),
+    ]
+    for x, y, col in cross1:
+        c.put(x, y, col)
+    for x, y, col in cross2:
+        c.put(x, y, col)
+
+    # 细划痕 4：底部螺丝附近的起子滑刀伤
+    slip = [
+        (8, 103, "k"),
+        (9, 104, "w"),
+        (10, 104, "h"),
+        (11, 105, "w"),
+        (12, 105, "h"),
+        (13, 105, "k"),
+        (14, 106, "w"),
+        (15, 106, "h"),
+    ]
+    for x, y, col in slip:
+        c.put(x, y, col)
+        c.put(x, y + 1, "k")
+
+    # 冲压小凹坑（小落伤，凹陷光影：左上暗槽、右下挤压高光圈）
+    pits = ((14, 22), (8, 72), (16, 75))
+    for px, py in pits:
+        c.put(px, py, "k")
+        c.put(px + 1, py, "d")
+        c.put(px, py + 1, "d")
+        c.put(px + 1, py + 1, "w")
+        c.put(px + 2, py + 1, "h")
+
+    return c
+
+
+def brk_port():
+    """7. 挡板接口数量不对：第三个接口被粗糙铁皮焊死/堵死，带焊渣点与开孔被封死。"""
+    c = _new()
+    y0, y1 = 56, 69
+
+    # 盖上一整块粗糙铁皮盲板封死
+    c.rect(5, y0 - 1, 18, y1 + 1, "d")
+    c.rect(6, y0, 17, y1, "m")
+
+    # 盲板拉丝与表面凹凸
+    for x in range(6, 18):
+        for y in range(y0, y1 + 1):
+            if (x * 3 + y * 7) % 5 == 0:
+                c.put(x, y, "b")
+            elif (x + y) % 4 == 0:
+                c.put(x, y, "d")
+
+    # 边缘粗糙焊缝与接合处阴影黑线
+    for y in range(y0 - 1, y1 + 2):
+        c.put(5, y, "n")
+        c.put(18, y, "k")
+    for x in range(5, 19):
+        c.put(x, y0 - 1, "n")
+        c.put(x, y1 + 1, "k")
+
+    # 两处粗糙固定冲压铆钉/点焊斑点
+    for ry in (y0 + 2, y1 - 3):
+        c.rect(10, ry, 13, ry + 2, "k")
+        c.put(11, ry + 1, "b")
+        c.put(12, ry + 1, "h")
+        c.put(10, ry, "d")
+
+    # 焊渣与高温变色痕（铜黄/焦色斑点）
+    weld_slag = [
+        (5, y0 + 1, "e"),
+        (6, y0 + 1, "q"),
+        (17, y0 + 4, "e"),
+        (18, y0 + 5, "c"),
+        (6, y1 - 1, "q"),
+        (5, y1, "e"),
+        (18, y1 - 2, "c"),
+    ]
+    for sx, sy, scol in weld_slag:
+        c.put(sx, sy, scol)
+
+    return c
+
+
+def shroud_chip():
+    """8. 散热罩磕碰/掉漆：外罩棱角撞击凹瘪、掉漆露出底铝银光与发散暗裂纹。"""
+    c = _new()
+
+    # 1) 顶部主磕碰坑（x=80~90 处受剧烈撞击）
+    # 撞入深凹坑
+    c.rect(81, 14, 88, 16, "k")
+    c.rect(82, 14, 87, 15, "n")
+    # 露出的底漆生铝金属高光反光
+    c.rect(83, 16, 86, 17, "w")
+    c.put(82, 16, "h")
+    c.put(87, 16, "l")
+    # 漆皮外卷毛边
+    for kx in range(80, 90):
+        c.put(kx, 13, "h" if kx % 2 == 0 else "l")
+        c.put(kx, 17, "k" if kx % 2 == 0 else "d")
+    # 撞击点向下延伸出的塑料/金属外壳发丝状应力裂纹
+    crack1 = [
+        (84, 18, "n"),
+        (84, 19, "k"),
+        (83, 20, "n"),
+        (83, 21, "k"),
+        (82, 22, "n"),
+        (81, 23, "k"),
+        (81, 24, "n"),
+    ]
+    for cx, cy, col in crack1:
+        c.put(cx, cy, col)
+        c.put(cx + 1, cy, "h")  # 裂缝一侧高光
+
+    # 2) 中筋（两风扇之间）被工具磕掉漆皮
+    c.rect(104, 46, 107, 51, "k")
+    c.rect(105, 47, 106, 49, "w")  # 露底生铝
+    c.put(106, 50, "h")
+    c.put(104, 45, "h")
+    c.put(107, 52, "d")
+
+    # 3) 右上角倒角处擦碰
+    c.rect(179, 17, 183, 20, "k")
+    c.put(180, 18, "w")
+    c.put(181, 19, "h")
+    c.put(182, 20, "l")
+    c.put(178, 16, "h")
+
+    # 4) 下部边缘刮蹭掉漆痕
+    c.rect(34, 93, 44, 94, "k")
+    for gx in range(35, 44, 2):
+        c.put(gx, 93, "w")
+        c.put(gx + 1, 94, "l")
+
+    return c
+
+
+# ==============================================================================
+# 背面 Case
+# ==============================================================================
+
+
+def print_overlay(model_text, style="normal"):
+    """9. 型号丝印：
+    - normal: 激光蚀刻（深色凹槽衬底+规整高光金属字）
+    - skew: 字歪重印（各字上下抖动、墨色不均、重影移位、边缘溢墨）
+    - stamp: 盖章式补印（原字发暗底层+倾斜补印红框印章层覆盖）
+    """
+    c = _new()
+    scale = 2
+    # 丝印凹槽居中计算
+    total_w = len(model_text) * (5 + 1) * scale
+    x_start = max(42, 38 + (136 - total_w) // 2)
+    y_start = 31
+
+    if style == "normal":
+        # 先打一层蚀刻内凹深色边缘刻痕
+        text57(
+            c,
+            x_start + 1,
+            y_start + 1,
+            model_text,
+            "k",
+            scale=scale,
+            skew=False,
+            gap=1,
+        )
+        # 精致激光银白字
+        text57(
+            c,
+            x_start,
+            y_start,
+            model_text,
+            "h",
+            scale=scale,
+            skew=False,
+            gap=1,
+        )
+
+    elif style == "skew":
+        cur_x = x_start
+        rnd = random.Random(309)
+        jitters = [0, 2, -1, 1, -2, 2, 0, 1]
+
+        # 1) 先打一层失准的底墨重影（偏移）
+        for i, ch in enumerate(model_text):
+            dy = jitters[i % len(jitters)]
+            # 偏色与残墨
+            text57(
+                c,
+                cur_x + 1,
+                y_start + dy + 1,
+                ch,
+                "d",
+                scale=scale,
+                skew=False,
+                gap=1,
+            )
+            cur_x += (5 + 1) * scale + (1 if i % 3 == 0 else 0)
+
+        # 2) 正式墨迹（每字高度不齐、颜色深浅不同）
+        cur_x = x_start
+        ink_colors = ["h", "l", "b", "h", "m", "l"]
+        for i, ch in enumerate(model_text):
+            dy = jitters[i % len(jitters)]
+            col = ink_colors[i % len(ink_colors)]
+            text57(
+                c,
+                cur_x,
+                y_start + dy,
+                ch,
+                col,
+                scale=scale,
+                skew=False,
+                gap=1,
+            )
+
+            # 边缘溢墨斑点 (Ink bleed)
+            if ch != " ":
+                for _ in range(4):
+                    bx = cur_x + rnd.randint(-1, 10)
+                    by = y_start + dy + rnd.randint(-1, 14)
+                    if 36 <= bx <= 178 and 26 <= by <= 50:
+                        c.put(bx, by, "x" if rnd.random() < 0.5 else "d")
+
+            cur_x += (5 + 1) * scale + (1 if i % 3 == 0 else 0)
+
+    elif style == "stamp":
+        # 1) 底层被磨掉/发暗的原型号痕迹（原先低配型号残影）
+        orig_text = "RZX 50" if "80" in model_text else "PMD 60"
+        text57(c, x_start + 4, y_start + 1, orig_text, "z", scale=scale, gap=1)
+        text57(c, x_start + 5, y_start + 2, orig_text, "k", scale=scale, gap=1)
+
+        # 2) 盖章边框（红章边框，微倾斜）
+        box_x0 = x_start - 4
+        box_y0 = y_start - 3
+        box_x1 = min(176, x_start + total_w + 4)
+        box_y1 = y_start + 17
+        c.rect(box_x0, box_y0, box_x1, box_y0 + 1, "R")
+        c.rect(box_x0, box_y1 - 1, box_x1, box_y1, "R")
+        c.rect(box_x0, box_y0, box_x0 + 1, box_y1, "R")
+        c.rect(box_x1 - 1, box_y0, box_x1, box_y1, "R")
+
+        # 章角溢印与盖印残红
+        c.put(box_x0 - 1, box_y0, "r2")
+        c.put(box_x1 + 1, box_y1, "r2")
+        c.put(box_x0 + 1, box_y1 + 1, "r2")
+
+        # 3) 盖印文字（红色印油，因印泥压力不均带斑驳漏白）
+        text57(
+            c,
+            x_start,
+            y_start,
+            model_text,
+            "R",
+            scale=scale,
+            skew=False,
+            gap=1,
+        )
+        rnd = random.Random(409)
+        for y in range(box_y0, box_y1 + 1):
+            for x in range(box_x0, box_x1 + 1):
+                if c.px[y][x] == "R" and rnd.random() < 0.22:
+                    c.put(x, y, "r2" if rnd.random() < 0.6 else "w")
+
+    return c
+
+
+def print_skew(model_text="RZX 80Ti"):
+    return print_overlay(model_text, "skew")
+
+
+def print_stamp(model_text="RZX 80Ti"):
+    return print_overlay(model_text, "stamp")
+
+
+def print_normal(model_text="RZX 80Ti"):
+    return print_overlay(model_text, "normal")
+
+
+def sticker_hand():
+    """10. 序列号贴纸：白胶条盖住原条码，上面粗劣手写伪造序列号。"""
+    c = _new()
+
+    # 白胶带打底覆盖条码区域 (x=116..168, y=68..86)
+    c.rect(116, 68, 168, 86, "w")
+    # 胶带边缘立体层感与受光边
+    c.rect(116, 68, 168, 68, "h")
+    c.rect(116, 86, 168, 86, "l")
+    c.rect(116, 68, 116, 86, "h")
+    c.rect(168, 68, 168, 86, "l")
+
+    # 手写体字符 "SN:8942-X"（手写黑色笔画，带运笔粗细与倾斜波动）
+    strokes = [
+        # S
+        (120, 72),
+        (121, 72),
+        (122, 72),
+        (119, 73),
+        (120, 74),
+        (121, 75),
+        (122, 76),
+        (119, 77),
+        (120, 78),
+        (121, 78),
+        # N
+        (125, 78),
+        (125, 77),
+        (125, 76),
+        (125, 75),
+        (125, 74),
+        (125, 73),
+        (125, 72),
+        (126, 74),
+        (127, 75),
+        (128, 76),
+        (129, 77),
+        (129, 72),
+        (129, 73),
+        (129, 74),
+        (129, 75),
+        (129, 76),
+        (129, 78),
+        # :
+        (132, 74),
+        (132, 77),
+        # 8
+        (136, 72),
+        (137, 72),
+        (135, 73),
+        (138, 73),
+        (136, 75),
+        (137, 75),
+        (135, 76),
+        (138, 76),
+        (135, 77),
+        (138, 77),
+        (136, 78),
+        (137, 78),
+        # 9
+        (142, 72),
+        (143, 72),
+        (141, 73),
+        (144, 73),
+        (141, 74),
+        (144, 74),
+        (142, 75),
+        (143, 75),
+        (144, 75),
+        (144, 76),
+        (144, 77),
+        (143, 78),
+        (142, 78),
+        # 4
+        (147, 72),
+        (147, 73),
+        (147, 74),
+        (147, 75),
+        (148, 75),
+        (149, 75),
+        (150, 75),
+        (150, 72),
+        (150, 73),
+        (150, 74),
+        (150, 76),
+        (150, 77),
+        (150, 78),
+        # 2
+        (153, 72),
+        (154, 72),
+        (155, 73),
+        (154, 74),
+        (153, 75),
+        (153, 76),
+        (153, 77),
+        (153, 78),
+        (154, 78),
+        (155, 78),
+        (156, 78),
+        # -
+        (158, 75),
+        (159, 75),
+        (160, 75),
+        # X
+        (162, 72),
+        (163, 73),
+        (164, 74),
+        (165, 76),
+        (166, 77),
+        (166, 78),
+        (166, 72),
+        (165, 73),
+        (164, 75),
+        (163, 77),
+        (162, 78),
+    ]
+    for x, y in strokes:
+        c.put(x, y, "O")
+        c.put(x + 1, y, "O")  # 笔尖圆珠粗细
+        c.put(x, y + 1, "k")  # 圆珠笔纸面压痕阴影
+
+    return c
+
+
+def sticker_scratch():
+    """10. 序列号贴纸：条码被硬物反复恶意刮花破坏，白纸撕破、划痕露底。"""
+    c = _new()
+
+    # 横向主刮痕（钥匙/一字起深划过，条码截断）
+    for x in range(116, 168):
+        c.put(x, 75, "w")
+        c.put(x, 76, "w")
+        c.put(x, 77, "h" if x % 3 == 0 else "l")
+        c.put(x, 78, "d" if x % 2 == 0 else "m")
+
+    # 两道斜向猛烈刮叉痕
+    slash1 = [
+        (120, 70),
+        (123, 72),
+        (126, 74),
+        (130, 77),
+        (134, 80),
+        (138, 82),
+        (142, 84),
+        (145, 86),
+    ]
+    for x, y in slash1:
+        c.rect(x - 1, y - 1, x + 1, y, "w")
+        c.put(x + 2, y, "d")
+        c.put(x - 1, y + 1, "k")
+
+    slash2 = [
+        (160, 71),
+        (157, 73),
+        (153, 76),
+        (149, 79),
+        (145, 82),
+        (142, 84),
+        (138, 86),
+    ]
+    for x, y in slash2:
+        c.rect(x - 1, y - 1, x + 1, y, "w")
+        c.put(x + 1, y + 1, "k")
+        c.put(x - 2, y, "l")
+
+    # 纸屑翻边卷毛 (Torn paper fibers)
+    for fx, fy in (
+        (128, 74),
+        (132, 78),
+        (146, 83),
+        (152, 75),
+        (162, 74),
+        (121, 77),
+    ):
+        c.rect(fx, fy, fx + 1, fy + 1, "h")
+        c.put(fx, fy - 1, "w")
+
+    return c
+
+
+def sticker_torn():
+    """10. 序列号贴纸：贴纸被撕掉一大半，留撕破犬牙撕口与发黄恶心残胶。"""
+    c = _new()
+    rnd = random.Random(510)
+
+    # 撕裂区域：x=120..172, y=64..100（右侧大半被撕走，露出背板石墨底）
+    for y in range(64, 101):
+        # 锯齿状撕裂边界 x_tear
+        x_tear = 120 + int(3 * math.sin(y * 0.45) + (y % 4))
+        # 撕除暴露出的背板底色（重现 backplate 拉丝暗底）
+        for x in range(x_tear, 173):
+            c.put(x, y, "d" if y % 2 else "m" if (x // 3) % 4 else "d")
+
+        # 犬牙差互的白纸撕口边缘 (White torn paper fringe)
+        c.put(x_tear - 2, y, "w")
+        c.put(x_tear - 1, y, "h")
+        c.put(x_tear, y, "l")
+        c.put(x_tear + 1, y, "d")
+
+    # 背板上残留的大片发干、粘着灰尘的胶痕（残胶：'e', 'q', 'm', 'd', 'k'）
+    glue_patches = [
+        (126, 68, 142, 82),
+        (148, 72, 168, 92),
+        (132, 84, 150, 96),
+    ]
+    for gx0, gy0, gx1, gy1 in glue_patches:
+        for gy in range(gy0, gy1 + 1):
+            for gx in range(gx0, gx1 + 1):
+                val = rnd.random()
+                if val < 0.55:
+                    c.put(
+                        gx,
+                        gy,
+                        (
+                            "e"
+                            if val < 0.20
+                            else "q"
+                            if val < 0.35
+                            else "m"
+                            if val < 0.48
+                            else "k"
+                        ),
+                    )
+
+    # 没撕干净的局部纸片孤岛
+    c.rect(156, 82, 165, 87, "w")
+    c.rect(157, 83, 164, 86, "h")
+    c.put(166, 88, "d")
+
+    return c
+
+
+def seal_missing():
+    """11. 封条缺失：防拆封条被撕除，留边缘红碎纸片、底层 honeycomb/VOID 残胶与刮痕。"""
+    c = _new()
+    # 封条原本位置: x=174..182, y=60..104
+
+    # 露出底板金属
+    for y in range(60, 105):
+        for x in range(174, 183):
+            c.put(x, y, "d" if y % 2 else "m" if (x // 3) % 4 else "d")
+
+    # 顶部和底部断裂未撕净的红色封条碎片 (Torn seal scraps)
+    c.rect(174, 60, 182, 63, "R")
+    c.put(174, 64, "R")
+    c.put(175, 64, "r2")
+    c.put(178, 64, "R")
+    c.put(181, 64, "r2")
+
+    c.rect(174, 102, 182, 104, "R")
+    c.put(176, 101, "R")
+    c.put(177, 101, "r2")
+    c.put(180, 101, "R")
+
+    # 撕裂防伪胶转移层遗留的网格残胶斑（VOID 格状残留胶质）
+    for y in range(65, 101):
+        for x in range(174, 183):
+            # 规则点阵中带撕损
+            if (x + y) % 3 == 0:
+                c.put(x, y, "r2" if (x * y) % 2 == 0 else "e")
+            elif (x * 2 + y) % 5 == 0:
+                c.put(x, y, "m")
+
+    # 指甲抠挖清理残胶的竖划痕
+    for y in range(70, 95):
+        c.put(177, y, "h" if y % 3 == 0 else "k")
+        c.put(180, y, "k" if y % 2 == 0 else "d")
+
+    return c
+
+
+def seal_reglued():
+    """11. 封条被重新粘过：封条贴歪、角落起翘卷边（带投影）、内含明显鼓起气泡与折痕。"""
+    c = _new()
+
+    # 封条重贴发生偏斜（整体往左歪 1px，并露出右边缘的旧胶印）
+    # 旧胶缝留痕
+    for y in range(60, 105):
+        c.put(182, y, "e" if y % 2 else "d")
+
+    # 重新贴上的红封条（略微偏斜移位）
+    c.rect(173, 62, 181, 103, "R")
+    c.rect(173, 62, 174, 103, "r2")
+    c.rect(180, 62, 181, 103, "r2")
+
+    # 上端角落起翘卷边 (Curled Dog-ear corner)
+    # 起翘角露出白色背胶与内卷高光
+    c.put(179, 61, "w")
+    c.put(180, 60, "w")
+    c.put(181, 60, "h")
+    c.put(179, 62, "h")
+    c.put(180, 61, "l")
+    # 翘起卷角下方投下的深暗阴影
+    c.put(177, 62, "n")
+    c.put(178, 62, "k")
+    c.put(178, 63, "n")
+
+    # 起泡 1：中间圆形隆起气泡 (Air bubble 1)
+    bubble1 = [
+        (176, 73, "l"),
+        (177, 73, "w"),
+        (178, 73, "h"),
+        (175, 74, "l"),
+        (176, 74, "R"),
+        (177, 74, "w"),
+        (178, 74, "R"),
+        (179, 74, "r2"),
+        (175, 75, "h"),
+        (176, 75, "R"),
+        (177, 75, "R"),
+        (178, 75, "r2"),
+        (179, 75, "k"),
+        (176, 76, "r2"),
+        (177, 76, "k"),
+        (178, 76, "r2"),
+    ]
+    for x, y, col in bubble1:
+        c.put(x, y, col)
+
+    # 起泡 2：下部条状长气泡 (Air bubble 2)
+    bubble2 = [
+        (175, 87, "w"),
+        (176, 87, "l"),
+        (175, 88, "h"),
+        (176, 88, "R"),
+        (177, 88, "r2"),
+        (175, 89, "h"),
+        (176, 89, "R"),
+        (177, 89, "k"),
+        (176, 90, "r2"),
+    ]
+    for x, y, col in bubble2:
+        c.put(x, y, col)
+
+    # 被撕下时产生的死褶横折白印 (Crease stress marks)
+    for x in range(173, 182):
+        c.put(x, 81, "w" if x % 2 == 0 else "h")
+        c.put(x, 82, "r2")
+        c.put(x, 95, "h" if x % 3 == 0 else "w")
+        c.put(x, 96, "r2")
+
+    return c
+
+
+def screw_opened():
+    """12. 背板螺丝被拆过：
+    - (174, 94) 右下螺丝十字孔严重拧花/滑丝，溢出金属毛刺，起子滑出刮花背板；
+    - (36, 24) 左上螺丝十字槽口豁开变形磨损；
+    - (36, 94) 左下螺丝换成了一颗不同款的一字平头生锈旧螺丝。
+    """
+    c = _new()
+
+    # --------------------------------------------------------------------------
+    # 1. 右下螺丝 (174, 94)：十字彻底滑丝拧烂 (Stripped screw) + 滑刀大划痕
+    # --------------------------------------------------------------------------
+    sx, sy = 174, 94
+    # 彻底磨平滑丝的中心烂圆坑
+    c.rect(sx - 2, sy - 2, sx + 2, sy + 2, "k")
+    c.rect(sx - 1, sy - 1, sx + 1, sy + 1, "n")
+    # 被起子强行旋转挤压出来的银白色金属毛刺边缘
+    c.put(sx - 2, sy - 1, "w")
+    c.put(sx - 1, sy - 2, "w")
+    c.put(sx + 2, sy, "h")
+    c.put(sx, sy + 2, "h")
+    c.put(sx + 1, sy + 1, "w")
+    c.put(sx - 2, sy + 2, "l")
+    # 螺丝刀猛烈滑出拧花槽、在背板上划出的一道深深弧形刀痕
+    driver_slip = [
+        (sx - 2, sy - 2, "w"),
+        (sx - 3, sy - 3, "h"),
+        (sx - 4, sy - 4, "w"),
+        (sx - 5, sy - 4, "k"),
+        (sx - 6, sy - 5, "w"),
+        (sx - 7, sy - 5, "h"),
+        (sx - 8, sy - 5, "k"),
+        (sx - 9, sy - 6, "h"),
+        (sx - 10, sy - 6, "w"),
+        (sx - 11, sy - 6, "k"),
+    ]
+    for px, py, pcol in driver_slip:
+        c.put(px, py, pcol)
+        c.put(px, py + 1, "k")  # 划痕阴影
+
+    # --------------------------------------------------------------------------
+    # 2. 左上螺丝 (36, 24)：起子咬合磨损划口，槽角崩损
+    # --------------------------------------------------------------------------
+    tx, ty = 36, 24
+    c.rect(tx - 1, ty - 1, tx + 1, ty + 1, "k")
+    c.put(tx, ty, "n")
+    c.put(tx - 2, ty, "w")  # 槽口外翻高光
+    c.put(tx + 2, ty, "h")
+    c.put(tx, ty - 2, "w")
+    c.put(tx, ty + 2, "k")
+    c.put(tx - 1, ty - 1, "l")
+    c.put(tx + 1, ty + 1, "d")
+
+    # --------------------------------------------------------------------------
+    # 3. 左下螺丝 (36, 94)：被换成了一颗规格不一致的一字平头暗铜色旧螺丝
+    # --------------------------------------------------------------------------
+    lx, ly = 36, 94
+    # 重新画一个完全不同的圆头一字锈螺丝（基调为暗铜色 'q'/'e'）
+    c.rect(lx - 3, ly - 3, lx + 3, ly + 3, "e")
+    c.rect(lx - 3, ly - 3, lx - 1, ly - 3, "q")
+    c.rect(lx - 2, ly - 2, lx + 2, ly + 2, "q")
+    c.rect(lx + 2, ly + 2, lx + 3, ly + 3, "c")
+    # 一字槽（水平横槽，而不是十字孔）
+    c.rect(lx - 2, ly, lx + 2, ly, "n")
+    c.rect(lx - 2, ly - 1, lx + 2, ly - 1, "h")  # 一字边缘受光
+    c.rect(lx - 2, ly + 1, lx + 2, ly + 1, "c")  # 一字边缘阴影
+
+    return c
+
+
+# ==============================================================================
+# 导出字典
+# ==============================================================================
+
+CASES = {
+    # 正面
+    "gpu_big_ov_fan_dust1": fan_dust1,
+    "gpu_big_ov_fan_dust2": fan_dust2,
+    "gpu_big_ov_fan_chip": fan_chip,
+    "gpu_big_ov_fan_oil": fan_oil,
+    "gpu_big_ov_fin_dim": fin_dim,
+    "gpu_big_ov_fin_oxide": fin_oxide,
+    "gpu_big_ov_brk_scratch": brk_scratch,
+    "gpu_big_ov_brk_port": brk_port,
+    "gpu_big_ov_shroud_chip": shroud_chip,
+    # 背面
+    "gpu_big_ov_print_skew": print_skew,
+    "gpu_big_ov_print_stamp": print_stamp,
+    "gpu_big_ov_print_normal": print_normal,
+    "gpu_big_ov_sticker_hand": sticker_hand,
+    "gpu_big_ov_sticker_scratch": sticker_scratch,
+    "gpu_big_ov_sticker_torn": sticker_torn,
+    "gpu_big_ov_seal_missing": seal_missing,
+    "gpu_big_ov_seal_reglued": seal_reglued,
+    "gpu_big_ov_screw_opened": screw_opened,
+}
+
+__all__ = [
+    "CASES",
+    "print_overlay",
+    "fan_dust1",
+    "fan_dust2",
+    "fan_chip",
+    "fan_oil",
+    "fin_dim",
+    "fin_oxide",
+    "brk_scratch",
+    "brk_port",
+    "shroud_chip",
+    "print_skew",
+    "print_stamp",
+    "print_normal",
+    "sticker_hand",
+    "sticker_scratch",
+    "sticker_torn",
+    "seal_missing",
+    "seal_reglued",
+    "screw_opened",
+]
diff --git a/art/sprites.py b/art/sprites.py
index 01c3f99..f866b90 100644
--- a/art/sprites.py
+++ b/art/sprites.py
@@ -568,7 +568,13 @@ if __name__ == '__main__':
             canvas.png(os.path.join(out, name + '.png'))
         for name, make in OVERLAYS.items():
             make().png(os.path.join(out, name + '.png'))
-        import big
-        for name, make in {**big.BIG, **big.BIG_OV}.items():
+        import big, big_cases
+        for name, make in big.BIG.items():
             make().png(os.path.join(out, name + '.png'))
+        for name, make in big_cases.CASES.items():
+            if not name.startswith('gpu_big_ov_print_'):
+                make().png(os.path.join(out, name + '.png'))
+        for m in MODELS:
+            for style in ('normal', 'skew', 'stamp'):
+                big_cases.print_overlay(m, style).png(os.path.join(out, 'gpu_big_ov_print_%s_%s.png' % (style, key(m))))
         print(out)
diff --git a/src/Decentralized.Domain/CardLook.cs b/src/Decentralized.Domain/CardLook.cs
index d05f80d..e4efa64 100644
--- a/src/Decentralized.Domain/CardLook.cs
+++ b/src/Decentralized.Domain/CardLook.cs
@@ -32,6 +32,19 @@ namespace Decentralized.Domain
             return new CardLook { Fan = D(0), Fingers = D(1), Bracket = D(2), Print = D(3), Sticker = D(4) };
         }
 
+        // 外观维度对应卡的真实状态：价格、损耗、暴毙概率都随之变化，所以看外观就是在估价
+        private static readonly double[] FanValue = { 1.00, 0.96, 0.88 }, FanWear = { 1.00, 1.10, 1.30 }, FanDeath = { 1.00, 1.00, 1.20 };
+        private static readonly double[] FingerValue = { 1.00, 0.96, 0.88 }, FingerDeath = { 1.00, 1.10, 1.30 };
+
+        /// <summary>外观对价值的折扣：风扇积灰 −4%、缺角 −12%；金手指发暗 −4%、氧化 −12%；挡板划痕 −2%；封条缺失（开过封）−6%。</summary>
+        public double ValueFactor => FanValue[Fan] * FingerValue[Fingers] * (Bracket == 1 ? 0.98 : 1.0) * (Sticker == 2 ? 0.94 : 1.0);
+
+        /// <summary>每晚损耗倍数：风扇积灰散热差 ×1.1，缺角 ×1.3。</summary>
+        public double WearFactor => FanWear[Fan];
+
+        /// <summary>暴毙概率倍数：风扇缺角 ×1.2；金手指发暗 ×1.1、氧化 ×1.3（接触不良）。</summary>
+        public double DeathFactor => FanDeath[Fan] * FingerDeath[Fingers];
+
         /// <summary>只在假卡上出现的取值：玩家一旦看到，就能肯定是假的。</summary>
         public bool HasFakeSign => Bracket == 2 || Print != 0 || Sticker == 1;
 
@@ -87,8 +100,8 @@ namespace Decentralized.Domain
             return Math.Max(1, (long)Math.Round(spec.Price * f));
         }
 
-        /// <summary>真实价值（芯片型号 + 健康度）。</summary>
-        public static long True(Unit u) => Of(u.FakeOf ?? u.Model, u.Health);
+        /// <summary>真实价值（芯片型号 + 健康度 + 外观折扣）。</summary>
+        public static long True(Unit u) => Math.Max(1, (long)Math.Round(Of(u.FakeOf ?? u.Model, u.Health) * u.Look.ValueFactor));
 
         /// <summary>标称价：贩子报的价，按标称型号算；二手卡也折旧，但只按贩子"自称"的健康度。</summary>
         public static long Quoted(Unit u, double claimedHealth) => Of(u.Model, claimedHealth);
diff --git a/src/Decentralized.Domain/Mining.cs b/src/Decentralized.Domain/Mining.cs
index 50b3a82..0c2c8d2 100644
--- a/src/Decentralized.Domain/Mining.cs
+++ b/src/Decentralized.Domain/Mining.cs
@@ -103,14 +103,14 @@ namespace Decentralized.Domain
         public double DeathChance(ModuleBonus b)
         {
             double p = Tuning.DeathBase + Tuning.DeathWorn * Math.Pow(1 - Health / 100, 2);
-            return p * Label.DeathFactor * (FakeOf != null ? Tuning.FakeDeathFactor : 1) * b.Death;
+            return p * Label.DeathFactor * (FakeOf != null ? Tuning.FakeDeathFactor : 1) * b.Death * Look.DeathFactor;
         }
 
         /// <summary>一夜的损耗与暴毙判定；返回是否在今晚暴毙。</summary>
         public bool Night(ModuleBonus b, Rng rng)
         {
             if (Dead) return false;
-            Health = Math.Max(0, Health - Label.WearFactor * b.Wear);
+            Health = Math.Max(0, Health - Label.WearFactor * b.Wear * Look.WearFactor);
             if (rng.Chance(DeathChance(b)))
             {
                 Dead = true;
diff --git a/src/Decentralized/GpuInspectView.cs b/src/Decentralized/GpuInspectView.cs
index 14df97e..f4499cd 100644
--- a/src/Decentralized/GpuInspectView.cs
+++ b/src/Decentralized/GpuInspectView.cs
@@ -58,6 +58,34 @@ namespace Decentralized
             });
         }
 
+        /// <summary>检视大图的叠加层。五个维度各自对应一种或几种细节，组合时再加几处同源的小细节（磕碰、开过壳的螺丝、重新粘过的封条）。</summary>
+        public static List<string> BigOverlays(GameItem item)
+        {
+            var o = new List<string>();
+            var u = Items.ToUnit(item);
+            if (u.Dead) return o;
+            var l = u.Look;
+            string P = "gpu_big_ov_";
+            if (!Items.IsBack(item))
+            {
+                if (l.Fan == 1) o.Add(P + (l.Fingers > 0 ? "fan_dust2" : "fan_dust1"));
+                if (l.Fan == 2) { o.Add(P + "fan_chip"); if (l.Fingers == 2) o.Add(P + "fan_oil"); }
+                if (l.Fingers == 1) o.Add(P + "fin_dim");
+                if (l.Fingers == 2) o.Add(P + "fin_oxide");
+                if (l.Bracket == 1) { o.Add(P + "brk_scratch"); if (l.Fan > 0) o.Add(P + "shroud_chip"); }
+                if (l.Bracket == 2) o.Add(P + "brk_port");
+            }
+            else
+            {
+                string model = (l.Print == 1 && u.FakeOf != null ? u.FakeOf : u.Model).ToLowerInvariant();
+                o.Add(P + "print_" + (l.Print == 2 ? "skew_" : l.Print == 1 ? "stamp_" : "normal_") + model);
+                if (l.Print == 2) o.Add(P + "screw_opened");                      // 重印过，说明拆开过
+                if (l.Sticker == 1) o.Add(P + "sticker_hand");
+                if (l.Sticker == 2) o.Add(P + (l.Print != 0 ? "seal_reglued" : "seal_missing"));
+            }
+            return o;
+        }
+
         private void Build(InspectionUIManager m)
         {
             root = new GameObject("_PdGpuInspection", typeof(RectTransform)).GetComponent<RectTransform>();
@@ -92,12 +120,11 @@ namespace Decentralized
         {
             foreach (Transform c in cardRoot) Destroy(c.gameObject);
             var keys = new List<string>();
-            string baseKey = Items.LookKeys(item, keys);
-            keys.Insert(0, baseKey);
-            foreach (var small in keys)
+            string baseKey = Items.LookKeys(item, keys);   // 小图键名只用来取底图（品牌与正反面）
+            var layers = new List<string> { "gpu_big_" + baseKey.Substring("gpu_".Length) };
+            layers.AddRange(BigOverlays(item));
+            foreach (var k in layers)
             {
-                // 检视用大图：键名对应小图（gpu_probidia_f → gpu_big_probidia_f，gpu_ov_fan1 → gpu_big_ov_fan1）
-                string k = small.StartsWith("gpu_ov_") ? "gpu_big_ov_" + small.Substring("gpu_ov_".Length) : "gpu_big_" + small.Substring("gpu_".Length);
                 var sprite = Items.ModSprite(k);
                 if (sprite == null) continue;
                 var go = new GameObject(k, typeof(RectTransform), typeof(Image));
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_brk1.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_brk1.png
deleted file mode 100644
index 21e08d2..0000000
Binary files a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_brk1.png and /dev/null differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_brk2.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_brk2.png
deleted file mode 100644
index e804332..0000000
Binary files a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_brk2.png and /dev/null differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_brk_port.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_brk_port.png
new file mode 100644
index 0000000..697655e
Binary files /dev/null and b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_brk_port.png differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_brk_scratch.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_brk_scratch.png
new file mode 100644
index 0000000..cce203e
Binary files /dev/null and b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_brk_scratch.png differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_fan1.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_fan1.png
deleted file mode 100644
index dbf02f7..0000000
Binary files a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_fan1.png and /dev/null differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_fan2.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_fan2.png
deleted file mode 100644
index 9933c6a..0000000
Binary files a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_fan2.png and /dev/null differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_fan_chip.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_fan_chip.png
new file mode 100644
index 0000000..f61d657
Binary files /dev/null and b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_fan_chip.png differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_fan_dust1.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_fan_dust1.png
new file mode 100644
index 0000000..d6cefee
Binary files /dev/null and b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_fan_dust1.png differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_fan_dust2.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_fan_dust2.png
new file mode 100644
index 0000000..32d2733
Binary files /dev/null and b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_fan_dust2.png differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_fan_oil.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_fan_oil.png
new file mode 100644
index 0000000..4e37fdb
Binary files /dev/null and b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_fan_oil.png differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_fin1.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_fin1.png
deleted file mode 100644
index 5f3eb74..0000000
Binary files a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_fin1.png and /dev/null differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_fin2.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_fin2.png
deleted file mode 100644
index 04de9f5..0000000
Binary files a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_fin2.png and /dev/null differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_fin_dim.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_fin_dim.png
new file mode 100644
index 0000000..cd9a6c9
Binary files /dev/null and b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_fin_dim.png differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_fin_oxide.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_fin_oxide.png
new file mode 100644
index 0000000..abe8e80
Binary files /dev/null and b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_fin_oxide.png differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_normal_rz470.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_normal_rz470.png
new file mode 100644
index 0000000..23d18e1
Binary files /dev/null and b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_normal_rz470.png differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_normal_rz580.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_normal_rz580.png
new file mode 100644
index 0000000..2a440ba
Binary files /dev/null and b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_normal_rz580.png differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_normal_rz6800.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_normal_rz6800.png
new file mode 100644
index 0000000..cf272a8
Binary files /dev/null and b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_normal_rz6800.png differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_normal_rz7900.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_normal_rz7900.png
new file mode 100644
index 0000000..4e6dfaa
Binary files /dev/null and b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_normal_rz7900.png differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_normal_rzx50.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_normal_rzx50.png
new file mode 100644
index 0000000..afd9621
Binary files /dev/null and b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_normal_rzx50.png differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_normal_rzx60.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_normal_rzx60.png
new file mode 100644
index 0000000..dd7b405
Binary files /dev/null and b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_normal_rzx60.png differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_normal_rzx70.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_normal_rzx70.png
new file mode 100644
index 0000000..932e7e3
Binary files /dev/null and b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_normal_rzx70.png differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_normal_rzx80ti.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_normal_rzx80ti.png
new file mode 100644
index 0000000..a65824e
Binary files /dev/null and b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_normal_rzx80ti.png differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_normal_rzx90.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_normal_rzx90.png
new file mode 100644
index 0000000..d9ad64a
Binary files /dev/null and b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_normal_rzx90.png differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_skew_rz470.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_skew_rz470.png
new file mode 100644
index 0000000..60d30b6
Binary files /dev/null and b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_skew_rz470.png differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_skew_rz580.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_skew_rz580.png
new file mode 100644
index 0000000..4c959d5
Binary files /dev/null and b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_skew_rz580.png differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_skew_rz6800.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_skew_rz6800.png
new file mode 100644
index 0000000..1d81cef
Binary files /dev/null and b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_skew_rz6800.png differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_skew_rz7900.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_skew_rz7900.png
new file mode 100644
index 0000000..0a05090
Binary files /dev/null and b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_skew_rz7900.png differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_skew_rzx50.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_skew_rzx50.png
new file mode 100644
index 0000000..e281b2d
Binary files /dev/null and b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_skew_rzx50.png differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_skew_rzx60.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_skew_rzx60.png
new file mode 100644
index 0000000..1eab1c2
Binary files /dev/null and b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_skew_rzx60.png differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_skew_rzx70.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_skew_rzx70.png
new file mode 100644
index 0000000..7a30318
Binary files /dev/null and b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_skew_rzx70.png differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_skew_rzx80ti.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_skew_rzx80ti.png
new file mode 100644
index 0000000..dd69532
Binary files /dev/null and b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_skew_rzx80ti.png differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_skew_rzx90.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_skew_rzx90.png
new file mode 100644
index 0000000..51ae82e
Binary files /dev/null and b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_skew_rzx90.png differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_stamp_rz470.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_stamp_rz470.png
new file mode 100644
index 0000000..845c47f
Binary files /dev/null and b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_stamp_rz470.png differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_stamp_rz580.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_stamp_rz580.png
new file mode 100644
index 0000000..81f1a55
Binary files /dev/null and b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_stamp_rz580.png differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_stamp_rz6800.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_stamp_rz6800.png
new file mode 100644
index 0000000..24b0a15
Binary files /dev/null and b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_stamp_rz6800.png differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_stamp_rz7900.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_stamp_rz7900.png
new file mode 100644
index 0000000..f489c99
Binary files /dev/null and b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_stamp_rz7900.png differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_stamp_rzx50.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_stamp_rzx50.png
new file mode 100644
index 0000000..a44d7af
Binary files /dev/null and b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_stamp_rzx50.png differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_stamp_rzx60.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_stamp_rzx60.png
new file mode 100644
index 0000000..e4c5877
Binary files /dev/null and b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_stamp_rzx60.png differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_stamp_rzx70.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_stamp_rzx70.png
new file mode 100644
index 0000000..b301cb9
Binary files /dev/null and b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_stamp_rzx70.png differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_stamp_rzx80ti.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_stamp_rzx80ti.png
new file mode 100644
index 0000000..e967b3c
Binary files /dev/null and b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_stamp_rzx80ti.png differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_stamp_rzx90.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_stamp_rzx90.png
new file mode 100644
index 0000000..4240368
Binary files /dev/null and b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_print_stamp_rzx90.png differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_screw_opened.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_screw_opened.png
new file mode 100644
index 0000000..3fb7a89
Binary files /dev/null and b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_screw_opened.png differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_seal_missing.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_seal_missing.png
new file mode 100644
index 0000000..a5a45d3
Binary files /dev/null and b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_seal_missing.png differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_seal_reglued.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_seal_reglued.png
new file mode 100644
index 0000000..ab260be
Binary files /dev/null and b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_seal_reglued.png differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_shroud_chip.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_shroud_chip.png
new file mode 100644
index 0000000..92699a9
Binary files /dev/null and b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_shroud_chip.png differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_sticker_hand.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_sticker_hand.png
new file mode 100644
index 0000000..642447a
Binary files /dev/null and b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_sticker_hand.png differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_sticker_scratch.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_sticker_scratch.png
new file mode 100644
index 0000000..e313992
Binary files /dev/null and b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_sticker_scratch.png differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_sticker_torn.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_sticker_torn.png
new file mode 100644
index 0000000..f563a40
Binary files /dev/null and b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_sticker_torn.png differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_stk1.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_stk1.png
deleted file mode 100644
index 14051a7..0000000
Binary files a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_stk1.png and /dev/null differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_stk2.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_stk2.png
deleted file mode 100644
index d934e9e..0000000
Binary files a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_stk2.png and /dev/null differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txs_rz470.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txs_rz470.png
deleted file mode 100644
index 55b73ba..0000000
Binary files a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txs_rz470.png and /dev/null differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txs_rz580.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txs_rz580.png
deleted file mode 100644
index f42f89e..0000000
Binary files a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txs_rz580.png and /dev/null differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txs_rz6800.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txs_rz6800.png
deleted file mode 100644
index 939e124..0000000
Binary files a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txs_rz6800.png and /dev/null differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txs_rz7900.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txs_rz7900.png
deleted file mode 100644
index 6dc73a5..0000000
Binary files a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txs_rz7900.png and /dev/null differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txs_rzx50.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txs_rzx50.png
deleted file mode 100644
index 65f66cc..0000000
Binary files a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txs_rzx50.png and /dev/null differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txs_rzx60.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txs_rzx60.png
deleted file mode 100644
index d91bf65..0000000
Binary files a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txs_rzx60.png and /dev/null differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txs_rzx70.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txs_rzx70.png
deleted file mode 100644
index 0cd95fb..0000000
Binary files a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txs_rzx70.png and /dev/null differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txs_rzx80ti.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txs_rzx80ti.png
deleted file mode 100644
index e6d8c83..0000000
Binary files a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txs_rzx80ti.png and /dev/null differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txs_rzx90.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txs_rzx90.png
deleted file mode 100644
index 77e5d14..0000000
Binary files a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txs_rzx90.png and /dev/null differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txt_rz470.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txt_rz470.png
deleted file mode 100644
index 47acb85..0000000
Binary files a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txt_rz470.png and /dev/null differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txt_rz580.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txt_rz580.png
deleted file mode 100644
index 5777ff6..0000000
Binary files a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txt_rz580.png and /dev/null differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txt_rz6800.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txt_rz6800.png
deleted file mode 100644
index c17088c..0000000
Binary files a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txt_rz6800.png and /dev/null differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txt_rz7900.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txt_rz7900.png
deleted file mode 100644
index eac4089..0000000
Binary files a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txt_rz7900.png and /dev/null differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txt_rzx50.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txt_rzx50.png
deleted file mode 100644
index c1d5cce..0000000
Binary files a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txt_rzx50.png and /dev/null differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txt_rzx60.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txt_rzx60.png
deleted file mode 100644
index 383ebc5..0000000
Binary files a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txt_rzx60.png and /dev/null differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txt_rzx70.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txt_rzx70.png
deleted file mode 100644
index 0aed346..0000000
Binary files a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txt_rzx70.png and /dev/null differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txt_rzx80ti.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txt_rzx80ti.png
deleted file mode 100644
index 6d16b64..0000000
Binary files a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txt_rzx80ti.png and /dev/null differ
diff --git a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txt_rzx90.png b/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txt_rzx90.png
deleted file mode 100644
index 6639936..0000000
Binary files a/src/Decentralized/ModFiles/Textures/Items/gpu_big_ov_txt_rzx90.png and /dev/null differ
diff --git a/tests/Decentralized.Domain.Tests/Program.cs b/tests/Decentralized.Domain.Tests/Program.cs
index becffce..36b8d8b 100644
--- a/tests/Decentralized.Domain.Tests/Program.cs
+++ b/tests/Decentralized.Domain.Tests/Program.cs
@@ -156,6 +156,11 @@ internal static class Program
             var u = new Unit { Model = "RZX90", FakeOf = "RZX60", Health = 80 };
             Check(CardValue.True(u) == CardValue.Of("RZX60", 80) && CardValue.Quoted(u, 80) == CardValue.Of("RZX90", 80), "真实价值按芯片型号，标称价按标称型号");
             Check(CardValue.Quoted(u, 80) > CardValue.True(u) * 8, $"假 RZX 90 的标称价 {CardValue.Quoted(u, 80)} 远高于真值 {CardValue.True(u)}");
+            var worn = new Unit { Model = "RZX70", Health = 100, Look = new CardLook { Fan = 2, Fingers = 2, Bracket = 1, Sticker = 2 } };
+            Check(Near(CardLook.Decode("22102").ValueFactor, 0.88 * 0.88 * 0.98 * 0.94, 1e-9) && CardValue.True(worn) == (long)Math.Round(800 * 0.88 * 0.88 * 0.98 * 0.94), "外观折扣乘进真实价值：风扇缺角 + 金手指氧化 + 划痕 + 封条缺失");
+            var clean = new Unit { Model = "RZX70", Health = 80 };
+            var dusty = new Unit { Model = "RZX70", Health = 80, Look = new CardLook { Fan = 2, Fingers = 2 } };
+            Check(dusty.DeathChance(ModuleBonus.None) > clean.DeathChance(ModuleBonus.None) * 1.5 && Near(CardLook.Decode("20000").WearFactor, 1.3, 1e-9), "风扇缺角、金手指氧化抬高暴毙概率与损耗");
             Check(CardValue.Of("RZX70", 100) == 800 && CardValue.Of("RZX70", 0) == 200 && CardValue.Of("RZX70", 50) == 500, "健康 100 满价、0 剩 25%、50 为 62.5%");
         });