From 9c3b0575d2c5020333211d773b0402f1cf2ac631 Mon Sep 17 00:00:00 2001
From: wzy-warehouse <18135009705@163.com>
Date: Sat, 6 Jun 2026 11:10:22 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BC=98=E5=8C=96=E5=8F=82=E6=95=B0?=
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---
 app/config/dbn/discretization.yaml        | 150 ++++++++++++----------
 app/config/dbn/earthquake_cpt_params.yaml |  86 ++++++-------
 app/config/dbn/earthquake_dbn_graph.yaml  |  23 ++--
 app/config/dbn/rainfall_cpt_params.yaml   | 124 +++++++++---------
 app/config/dbn/rainfall_dbn_graph.yaml    |  25 ++--
 5 files changed, 212 insertions(+), 196 deletions(-)

diff --git a/app/config/dbn/discretization.yaml b/app/config/dbn/discretization.yaml
index ad45e6d..7e429b3 100644
--- a/app/config/dbn/discretization.yaml
+++ b/app/config/dbn/discretization.yaml
@@ -1,14 +1,18 @@
 # 离散化规则配置
 # 定义所有连续因子的分箱规则
 # 包含暴雨灾害链和地震灾害链的全部因子
+#
+# 2026-06-06: 基于1201个样本的实际数据分布，采用分位数分箱（等频分箱）
+# 替代原有等宽分箱，使每个区间样本量更均匀
 
 # ============================================
-# 暴雨触发层离散化规则
+# 暴雨触发层离散化规则（保持气象标准不变）
 # ============================================
 
 rain_intensity:
   description: "降雨强度等级"
   unit: "mm/h"
+  # 中国气象局降雨等级标准
   bins: [0, 0.2, 5, 15, 30, 70, 140, 99999]
   labels: [no_rain, light, moderate, heavy, storm, downpour, extreme]
 
@@ -21,6 +25,7 @@ duration:
 accum_rain:
   description: "累计降雨量"
   unit: "mm"
+  # 中国气象局降水等级标准
   bins: [0, 10, 25, 50, 100, 99999]
   labels: [trace, light, moderate, heavy, extreme]
 
@@ -32,17 +37,13 @@ magnitude:
   description: "地震震级"
   unit: "Richter"
   # 基于Keefer (1984) 地震触发地质灾害的震级阈值
-  # M<4.0: 无显著地质灾害; M4.0-4.9: 轻微; M5.0-5.9: 中等
-  # M6.0-6.9: 显著; M7.0-7.9: 严重; M≥8.0: 灾难性
   bins: [0, 4.0, 5.0, 6.0, 7.0, 8.0, 10.0]
   labels: [minor, light, moderate, strong, major, great]
 
 epicenter_distance:
   description: "震中距"
   unit: "km"
-  # 地震地质灾害影响范围（Keefer 1984）：
-  # M5.0: ~10km; M6.0: ~30km; M7.0: ~100km; M8.0: ~300km
-  # 分级取各震级影响范围的中位值
+  # 地震地质灾害影响范围（Keefer 1984）
   bins: [0, 30, 100, 300, 99999]
   labels: [very_near, near, moderate, far]
 
@@ -50,37 +51,41 @@ seismic_intensity:
   description: "地震烈度"
   unit: "中国烈度表"
   # GB 18306-2015 中国地震动参数区划图
-  # I-V: 无显著地质灾害; VI-VII: 轻微; VIII-IX: 显著; X-XII: 严重; >XII: 灾难性
-  # 输入为数值烈度（1-12），映射到离散等级
   bins: [0, 5, 7, 9, 12, 99]
   labels: [minor, light, moderate, severe, extreme]
 
 # ============================================
 # 环境层离散化规则（暴雨/地震共享）
+# 基于1201个样本的分位数分箱
 # ============================================
 
 elevation:
   description: "高程"
   unit: "m"
-  bins: [0, 400, 500, 700, 1000, 1500, 99999]
-  labels: [basin, plain_urban, transition, low_mountain, mid_mountain, high_mountain]
+  # 数据: [356, 1934], 均值764.3±317.89, 偏度0.973
+  # 分位数: [356, 470, 624, 792, 1016, 1934]
+  bins: [356, 470, 624, 792, 1016, 1934]
+  labels: [very_low, low, medium, high, very_high]
 
 slope:
   description: "坡度"
   unit: "度"
-  bins: [0, 5, 15, 25, 35, 45, 90]
-  labels: [flat, gentle, moderate, steep, very_steep, extreme_steep]
+  # 数据: [0.11, 47.14], 均值9.42±8.57, 偏度1.433
+  # 分位数: [0.11, 1.81, 5.43, 9.48, 15.13, 47.14]
+  bins: [0.11, 1.81, 5.43, 9.48, 15.13, 47.14]
+  labels: [very_low, low, medium, high, very_high]
 
 aspect:
   description: "坡向"
   unit: "度"
-  bins: [0, 45, 135, 225, 315, 360]
-  labels: [north, east, south, west, north_loop]
+  # 数据: [0.86, 359.12], 均值173.47±104.96, 偏度0.126
+  # 分位数: [0.86, 57.39, 135.0, 230.19, 297.83, 359.12]
+  bins: [0.86, 57.39, 135.0, 230.19, 297.83, 359.12]
+  labels: [flat, north, east, south, west]
 
 soil_type:
   description: "土壤分类（中国土壤分类系统）"
   unit: "分类代码"
-  # 数据库实际编码（xian_soil 表 value 字段，来源：pg_description）
   mapping:
     0: ultisol        # 老成土
     6: entisol        # 初育土
@@ -91,104 +96,113 @@ soil_type:
 lithology:
   description: "岩性（中国地质分类）"
   unit: "分类代码"
-  # 数据库实际编码（xian_lithology 表 value 字段，来源：pg_description）
-  # 工程地质分组：按 SiO₂ 含量 + 成因合并同类岩性
   mapping:
-    1: acid_rock          # 酸性侵入岩（花岗岩等，SiO₂>66%，100条）
-    3: basic_rock         # 基性侵入岩（辉长岩等，SiO₂ 45-52%，5条）
-    4: basic_rock         # 基性火山岩（玄武岩等，合并入基性岩，17条）
-    5: carbonate          # 碳酸盐岩（石灰岩、白云岩，142条）
-    10: metamorphic       # 变质岩（片麻岩、大理岩，156条）
-    11: mixed_clastic     # 混合碎屑沉积岩（砂岩+泥岩互层，35条）
-    13: terrigenous       # 陆源碎屑岩（砂岩、粉砂岩，180条）
-    14: unconsolidated    # 松散堆积物（黄土、冲洪积，566条）
+    1: acid_rock          # 酸性侵入岩（花岗岩等，SiO₂>66%）
+    3: basic_rock         # 基性侵入岩（辉长岩等，SiO₂ 45-52%）
+    4: basic_rock         # 基性火山岩（玄武岩等，合并入基性岩）
+    5: carbonate          # 碳酸盐岩（石灰岩、白云岩）
+    10: metamorphic       # 变质岩（片麻岩、大理岩）
+    11: mixed_clastic     # 混合碎屑沉积岩（砂岩+泥岩互层）
+    13: terrigenous       # 陆源碎屑岩（砂岩、粉砂岩）
+    14: unconsolidated    # 松散堆积物（黄土、冲洪积）
   default: unconsolidated
 
 landuse:
   description: "土地利用类型"
   unit: "分类代码"
-  # 数据库实际编码（GLC FCS30 分类体系）
   mapping:
-    10: forest       # 林地（377条）
-    30: farmland     # 农田（190条）
-    40: urban        # 城市（105条）
-    50: water        # 水域（505条）
-    60: barren       # 裸地（23条）
-    80: farmland     # 耕地（1条，合并入农田）
+    10: forest       # 林地
+    30: farmland     # 农田
+    40: urban        # 城市
+    50: water        # 水域
+    60: barren       # 裸地
+    80: farmland     # 耕地（合并入农田）
   default: farmland
 
 terrain:
   description: "地形分类（中国地形分类体系）"
   unit: "分类代码"
-  # 数据库实际编码（xian_landform 表 value 字段，来源：pg_description）
-  # 工程地质分组：按坡度 + 地貌特征合并
   mapping:
-    1: mountain       # 断裂山麓地带（秦岭北麓，276条）
-    2: plain          # 平坦平原（渭河平原，218条）
-    3: deep_valley    # 高山深峡谷（秦岭腹地，11条）
-    4: hill           # 丘陵（黄土塬，250条）
-    5: gentle_hill    # 低缓丘陵（塬边过渡带，86条）
-    6: low_mountain   # 低山（骊山等，261条）
-    7: flat_plain     # 平缓平原（冲积平原，99条）
+    1: mountain       # 断裂山麓地带（秦岭北麓）
+    2: plain          # 平坦平原（渭河平原）
+    3: deep_valley    # 高山深峡谷（秦岭腹地）
+    4: hill           # 丘陵（黄土塬）
+    5: gentle_hill    # 低缓丘陵（塬边过渡带）
+    6: low_mountain   # 低山（骊山等）
+    7: flat_plain     # 平缓平原（冲积平原）
   default: hill
 
 impervious:
-  description: "不透水面"
-  unit: "比例"
-  bins: [0, 0.3, 0.6, 1.0]
-  labels: [low, medium, high]
+  description: "不透水率"
+  unit: "百分比"
+  # 数据: [0.0, 97.2], 均值16.40±25.99, 偏度1.787
+  # 26.9%为0.0（无硬化地表），非零值右偏分布
+  # 分箱策略：0单独一类，其余4等分（分位数分箱）
+  # 分位数(非零): [2.0, 9.95, 31.8, 97.2]
+  bins: [0.0, 0.01, 2.0, 10.0, 32.0, 97.2]
+  labels: [none, very_low, low, medium, high]
 
 ndvi:
   description: "植被指数"
   unit: "NDVI值"
-  bins: [-1, 0, 0.1, 0.3, 0.5, 0.8, 1.0]
-  labels: [water, bare, sparse, moderate, dense, very_dense]
+  # 数据: [1.25, 38.68], 均值20.67±5.87, 偏度-0.106
+  # 分位数: [1.25, 17.09, 20.3, 22.4, 25.2, 38.68]
+  bins: [1.25, 17.09, 20.3, 22.4, 25.2, 38.68]
+  labels: [very_low, low, medium, high, very_high]
 
 sand_content:
   description: "土壤含沙量"
   unit: "百分比"
-  bins: [0, 20, 40, 100]
-  labels: [low, medium, high]
+  # 数据: [23.0, 52.0], 均值34.43±4.29, 偏度0.538
+  # 分位数: [23.0, 31.0, 33.0, 35.0, 37.0, 52.0]
+  bins: [23.0, 31.0, 33.0, 35.0, 37.0, 52.0]
+  labels: [very_low, low, medium, high, very_high]
 
 ph:
   description: "土壤PH值"
   unit: "PH值"
-  bins: [0, 6.5, 7.5, 14]
-  labels: [acidic, neutral, alkaline]
+  # 数据: [59.0, 81.0], 均值71.79±4.14, 偏度-0.398
+  # 分位数: [59.0, 68.0, 72.0, 74.0, 76.0, 81.0]
+  bins: [59.0, 68.0, 72.0, 74.0, 76.0, 81.0]
+  labels: [very_low, low, medium, high, very_high]
 
 soil_moisture:
   description: "土壤湿度"
   unit: "百分比"
-  bins: [0, 20, 40, 80, 100]
-  labels: [dry, moist, wet, saturated]
+  # 数据: [0.0, 41.1], 均值32.02±14.92, 偏度-1.676
+  # 约10%为0.0（缺失/极端干燥），其余集中在37-41
+  # 分位数: [0.0, 37.7, 38.6, 38.9, 39.4, 41.1]
+  bins: [0.0, 37.0, 38.5, 39.5, 41.1]
+  labels: [very_low, low, medium, high]
 
 organic_carbon:
   description: "有机碳"
   unit: "百分比"
-  bins: [0, 1, 2, 100]
-  labels: [low, medium, high]
+  # 数据: [0.0, 73.0], 均值38.36±19.14, 偏度-1.187
+  # 分位数: [0.0, 34.0, 41.0, 47.0, 53.0, 73.0]
+  bins: [0.0, 34.0, 41.0, 47.0, 53.0, 73.0]
+  labels: [very_low, low, medium, high, very_high]
 
 dist_to_river:
   description: "距离河道距离"
   unit: "米"
-  bins: [0, 50, 200, 500, 99999]
-  labels: [very_close, close, moderate, far]
+  # 数据: [12.21, 29904.99], 均值11003.92±6582.23, 偏度0.271
+  # 分位数: [12.21, 5165.0, 9003.0, 12424.97, 16431.82, 29904.99]
+  bins: [12.21, 5165.0, 9003.0, 12424.97, 16431.82, 29904.99]
+  labels: [very_close, close, moderate, far, very_far]
 
 dist_to_fault:
   description: "距离断裂带距离"
   unit: "米"
-  bins: [0, 500, 1500, 3000, 99999]
-  labels: [very_close, close, moderate, far]
+  # 数据: [1.74, 14542.53], 均值3448.52±3406.56, 偏度1.055
+  # 分位数: [1.74, 476.69, 1433.62, 3334.87, 6502.28, 14542.53]
+  bins: [1.74, 476.69, 1433.62, 3334.87, 6502.28, 14542.53]
+  labels: [very_close, close, moderate, far, very_far]
 
 pipe_density:
   description: "供水管网密度"
   unit: "m/m²"
-  # 默认规则
-  default:
-    bins: [0, 0.001, 0.01, 0.05, 99999]
-    labels: [none, low, medium, high]
-  # 区域覆盖规则
-  region_overrides:
-    610100:  # 西安市
-      bins: [0, 0.002, 0.015, 0.04, 99999]
-      labels: [none, low, medium, high]
+  # 数据: [0.0, 0.07], 约80%为0.0，90%分位数0.013，95%分位数0.023
+  # 分位数: [0.0, 0.013, 0.023, 0.065]
+  bins: [0.0, 0.013, 0.023, 0.065]
+  labels: [none, low, medium, high]
diff --git a/app/config/dbn/earthquake_cpt_params.yaml b/app/config/dbn/earthquake_cpt_params.yaml
index f0e2450..f998a31 100644
--- a/app/config/dbn/earthquake_cpt_params.yaml
+++ b/app/config/dbn/earthquake_cpt_params.yaml
@@ -74,13 +74,13 @@ landslide:
     # === 极高风险（≥0.70）===
     # 大地震+近场+陡坡：最大规模地震滑坡
     # 参考：M7.0+近场（<30km）陡坡区滑坡概率>80%（Keefer 1984）
-    - condition: {magnitude: [major, great], epicenter_distance: [very_near], slope: [steep, very_steep, extreme_steep]}
+    - condition: {magnitude: [major, great], epicenter_distance: [very_near], slope: [high, very_high]}
       probability: 0.85
     # 大地震+近场+饱和土体：黄土震陷+液化
-    - condition: {magnitude: [major, great], epicenter_distance: [very_near], soil_moisture: [wet, saturated]}
+    - condition: {magnitude: [major, great], epicenter_distance: [very_near], soil_moisture: [medium, high]}
       probability: 0.82
     # 强震+近场+陡坡+断裂带附近：近场效应+岩体破碎
-    - condition: {magnitude: [strong, major, great], epicenter_distance: [very_near], slope: [steep, very_steep, extreme_steep], dist_to_fault: [very_close, close]}
+    - condition: {magnitude: [strong, major, great], epicenter_distance: [very_near], slope: [high, very_high], dist_to_fault: [very_close, close]}
       probability: 0.80
     # 大地震+近场+松散堆积物：黄土滑坡（1556年华县地震典型场景）
     - condition: {magnitude: [major, great], epicenter_distance: [very_near, near], lithology: [unconsolidated, mixed_clastic]}
@@ -88,16 +88,16 @@ landslide:
 
     # === 高风险（0.50-0.65）===
     # 强震+近场+陡坡
-    - condition: {magnitude: [strong, major], epicenter_distance: [very_near, near], slope: [steep, very_steep, extreme_steep]}
+    - condition: {magnitude: [strong, major], epicenter_distance: [very_near, near], slope: [high, very_high]}
       probability: 0.65
     # 大地震+中距+陡坡+断裂带
-    - condition: {magnitude: [major, great], epicenter_distance: [near, moderate], slope: [steep, very_steep, extreme_steep], dist_to_fault: [very_close, close]}
+    - condition: {magnitude: [major, great], epicenter_distance: [near, moderate], slope: [high, very_high], dist_to_fault: [very_close, close]}
       probability: 0.62
     # 强震+中陡坡+松散堆积物：黄土塬边滑坡
-    - condition: {magnitude: [strong, major], epicenter_distance: [very_near, near], slope: [moderate, steep, very_steep, extreme_steep], lithology: [unconsolidated]}
+    - condition: {magnitude: [strong, major], epicenter_distance: [very_near, near], slope: [medium, high, very_high], lithology: [unconsolidated]}
       probability: 0.60
     # 强震+陡坡+饱和土体
-    - condition: {magnitude: [strong, major], slope: [steep, very_steep, extreme_steep], soil_moisture: [wet, saturated]}
+    - condition: {magnitude: [strong, major], slope: [high, very_high], soil_moisture: [medium, high]}
       probability: 0.58
     # 大地震+近场+丘陵地形：黄土塬边
     - condition: {magnitude: [major, great], epicenter_distance: [very_near, near], terrain: [hill, gentle_hill]}
@@ -108,22 +108,22 @@ landslide:
 
     # === 中风险（0.20-0.40）===
     # 中强震+近场+陡坡
-    - condition: {magnitude: [moderate, strong], epicenter_distance: [very_near, near], slope: [steep, very_steep, extreme_steep]}
+    - condition: {magnitude: [moderate, strong], epicenter_distance: [very_near, near], slope: [high, very_high]}
       probability: 0.40
     # 强震+中距+陡坡
-    - condition: {magnitude: [strong, major], epicenter_distance: [near, moderate], slope: [steep, very_steep, extreme_steep]}
+    - condition: {magnitude: [strong, major], epicenter_distance: [near, moderate], slope: [high, very_high]}
       probability: 0.35
     # 强震+中坡+松散堆积物
-    - condition: {magnitude: [strong, major], slope: [moderate, steep], lithology: [unconsolidated]}
+    - condition: {magnitude: [strong, major], slope: [medium, high], lithology: [unconsolidated]}
       probability: 0.30
     # 大地震+远距（仍有影响，1556年华县地震影响范围>300km）
-    - condition: {magnitude: [major, great], epicenter_distance: [moderate, far], slope: [steep, very_steep, extreme_steep]}
+    - condition: {magnitude: [major, great], epicenter_distance: [moderate, far], slope: [high, very_high]}
       probability: 0.28
     # 断裂带+陡坡（即使中小地震也有蠕变风险）
-    - condition: {dist_to_fault: [very_close], slope: [steep, very_steep, extreme_steep]}
+    - condition: {dist_to_fault: [very_close], slope: [high, very_high]}
       probability: 0.25
     # 中强震+中坡
-    - condition: {magnitude: [moderate, strong], slope: [moderate, steep]}
+    - condition: {magnitude: [moderate, strong], slope: [medium, high]}
       probability: 0.22
 
     # === 低风险兜底（≤0.05）===
@@ -131,7 +131,7 @@ landslide:
       probability: 0.02
     - condition: {epicenter_distance: [far]}
       probability: 0.02
-    - condition: {slope: [flat, gentle]}
+    - condition: {slope: [very_low, low]}
       probability: 0.01
 
 # ----------------------------------------
@@ -149,52 +149,52 @@ debris_flow:
   rules:
     # === 极高风险（≥0.70）===
     # 大地震+近场+陡坡+高含沙量：物源充足+强震动
-    - condition: {magnitude: [major, great], epicenter_distance: [very_near], slope: [steep, very_steep, extreme_steep], sand_content: [medium, high]}
+    - condition: {magnitude: [major, great], epicenter_distance: [very_near], slope: [high, very_high], sand_content: [medium, high]}
       probability: 0.80
     # 大地震+近场+中高山区+松散堆积物：秦岭北麓沟道
-    - condition: {magnitude: [major, great], epicenter_distance: [very_near, near], elevation: [mid_mountain, high_mountain], lithology: [unconsolidated, mixed_clastic]}
+    - condition: {magnitude: [major, great], epicenter_distance: [very_near, near], elevation: [high, very_high], lithology: [unconsolidated, mixed_clastic]}
       probability: 0.78
     # 强震+近场+陡坡+断裂带：破碎岩体提供物源
-    - condition: {magnitude: [strong, major, great], epicenter_distance: [very_near], slope: [steep, very_steep, extreme_steep], dist_to_fault: [very_close, close]}
+    - condition: {magnitude: [strong, major, great], epicenter_distance: [very_near], slope: [high, very_high], dist_to_fault: [very_close, close]}
       probability: 0.75
     # 大地震+饱和+陡坡：液化+滑坡→泥石流
-    - condition: {magnitude: [major, great], soil_moisture: [wet, saturated], slope: [steep, very_steep, extreme_steep]}
+    - condition: {magnitude: [major, great], soil_moisture: [medium, high], slope: [high, very_high]}
       probability: 0.72
 
     # === 高风险（0.50-0.65）===
     # 强震+近场+陡坡
-    - condition: {magnitude: [strong, major], epicenter_distance: [very_near, near], slope: [steep, very_steep, extreme_steep]}
+    - condition: {magnitude: [strong, major], epicenter_distance: [very_near, near], slope: [high, very_high]}
       probability: 0.62
     # 强震+中高山区+松散堆积物
-    - condition: {magnitude: [strong, major], elevation: [mid_mountain, high_mountain], lithology: [unconsolidated, mixed_clastic]}
+    - condition: {magnitude: [strong, major], elevation: [high, very_high], lithology: [unconsolidated, mixed_clastic]}
       probability: 0.58
     # 大地震+中距+陡坡+高含沙量
-    - condition: {magnitude: [major, great], epicenter_distance: [near, moderate], slope: [steep, very_steep, extreme_steep], sand_content: [medium, high]}
+    - condition: {magnitude: [major, great], epicenter_distance: [near, moderate], slope: [high, very_high], sand_content: [medium, high]}
       probability: 0.55
     # 强震+陡坡+松散堆积物
-    - condition: {magnitude: [strong, major], slope: [steep, very_steep, extreme_steep], lithology: [unconsolidated, mixed_clastic]}
+    - condition: {magnitude: [strong, major], slope: [high, very_high], lithology: [unconsolidated, mixed_clastic]}
       probability: 0.52
 
     # === 中风险（0.20-0.40）===
     # 中强震+近场+陡坡
-    - condition: {magnitude: [moderate, strong], epicenter_distance: [very_near, near], slope: [steep, very_steep, extreme_steep]}
+    - condition: {magnitude: [moderate, strong], epicenter_distance: [very_near, near], slope: [high, very_high]}
       probability: 0.38
     # 强震+中高山区（物源区本身不稳定）
-    - condition: {magnitude: [strong, major], elevation: [mid_mountain, high_mountain], slope: [moderate, steep]}
+    - condition: {magnitude: [strong, major], elevation: [high, very_high], slope: [medium, high]}
       probability: 0.30
     # 大地震+远距+陡坡
-    - condition: {magnitude: [major, great], epicenter_distance: [moderate, far], slope: [steep, very_steep, extreme_steep]}
+    - condition: {magnitude: [major, great], epicenter_distance: [moderate, far], slope: [high, very_high]}
       probability: 0.28
     # 断裂带+陡坡+松散堆积物（无强震也有蠕变崩塌→物源积累）
-    - condition: {dist_to_fault: [very_close], slope: [steep, very_steep, extreme_steep], lithology: [unconsolidated]}
+    - condition: {dist_to_fault: [very_close], slope: [high, very_high], lithology: [unconsolidated]}
       probability: 0.22
 
     # === 低风险兜底（≤0.05）===
     - condition: {magnitude: [minor]}
       probability: 0.01
-    - condition: {slope: [flat, gentle]}
+    - condition: {slope: [very_low, low]}
       probability: 0.01
-    - condition: {elevation: [basin, plain_urban]}
+    - condition: {elevation: [very_low, low]}
       probability: 0.01
 
 # ----------------------------------------
@@ -213,54 +213,54 @@ collapse:
   rules:
     # === 极高风险（≥0.70）===
     # 大地震+近场+极陡坡+硬岩（花岗岩/变质岩）：节理面失稳
-    - condition: {magnitude: [major, great], epicenter_distance: [very_near], slope: [very_steep, extreme_steep], lithology: [acid_rock, metamorphic, basic_rock]}
+    - condition: {magnitude: [major, great], epicenter_distance: [very_near], slope: [very_high], lithology: [acid_rock, metamorphic, basic_rock]}
       probability: 0.88
     # 大地震+近场+陡坡+断裂带：岩体极度破碎
-    - condition: {magnitude: [major, great], epicenter_distance: [very_near], slope: [steep, very_steep, extreme_steep], dist_to_fault: [very_close, close]}
+    - condition: {magnitude: [major, great], epicenter_distance: [very_near], slope: [high, very_high], dist_to_fault: [very_close, close]}
       probability: 0.85
     # 大地震+近场+松散堆积物+陡坡：黄土塬边崩塌
-    - condition: {magnitude: [major, great], epicenter_distance: [very_near], slope: [steep, very_steep, extreme_steep], lithology: [unconsolidated, terrigenous, mixed_clastic]}
+    - condition: {magnitude: [major, great], epicenter_distance: [very_near], slope: [high, very_high], lithology: [unconsolidated, terrigenous, mixed_clastic]}
       probability: 0.80
     # 强震+近场+极陡坡
-    - condition: {magnitude: [strong, major], epicenter_distance: [very_near], slope: [very_steep, extreme_steep]}
+    - condition: {magnitude: [strong, major], epicenter_distance: [very_near], slope: [very_high]}
       probability: 0.75
 
     # === 高风险（0.50-0.65）===
     # 强震+近场+陡坡+断裂带
-    - condition: {magnitude: [strong, major], epicenter_distance: [very_near, near], slope: [steep, very_steep, extreme_steep], dist_to_fault: [very_close, close]}
+    - condition: {magnitude: [strong, major], epicenter_distance: [very_near, near], slope: [high, very_high], dist_to_fault: [very_close, close]}
       probability: 0.68
     # 大地震+中距+陡坡+硬岩
-    - condition: {magnitude: [major, great], epicenter_distance: [near, moderate], slope: [steep, very_steep, extreme_steep], lithology: [acid_rock, metamorphic]}
+    - condition: {magnitude: [major, great], epicenter_distance: [near, moderate], slope: [high, very_high], lithology: [acid_rock, metamorphic]}
       probability: 0.62
     # 强震+近场+陡坡+松散堆积物：黄土崩塌
-    - condition: {magnitude: [strong, major], epicenter_distance: [very_near, near], slope: [steep, very_steep, extreme_steep], lithology: [unconsolidated]}
+    - condition: {magnitude: [strong, major], epicenter_distance: [very_near, near], slope: [high, very_high], lithology: [unconsolidated]}
       probability: 0.60
     # 近河道+陡坡+松散堆积物+地震：河流侧蚀+地震触发
-    - condition: {dist_to_river: [very_close, close], slope: [steep, very_steep, extreme_steep], lithology: [unconsolidated], magnitude: [strong, major, great]}
+    - condition: {dist_to_river: [very_close, close], slope: [high, very_high], lithology: [unconsolidated], magnitude: [strong, major, great]}
       probability: 0.58
     # 强震+中陡坡+断裂带
-    - condition: {magnitude: [strong, major], slope: [moderate, steep, very_steep, extreme_steep], dist_to_fault: [very_close, close]}
+    - condition: {magnitude: [strong, major], slope: [medium, high, very_high], dist_to_fault: [very_close, close]}
       probability: 0.55
 
     # === 中风险（0.20-0.40）===
     # 中强震+近场+陡坡
-    - condition: {magnitude: [moderate, strong], epicenter_distance: [very_near, near], slope: [steep, very_steep, extreme_steep]}
+    - condition: {magnitude: [moderate, strong], epicenter_distance: [very_near, near], slope: [high, very_high]}
       probability: 0.40
     # 强震+中距+陡坡
-    - condition: {magnitude: [strong, major], epicenter_distance: [near, moderate], slope: [steep, very_steep, extreme_steep]}
+    - condition: {magnitude: [strong, major], epicenter_distance: [near, moderate], slope: [high, very_high]}
       probability: 0.35
     # 近河道+中坡+松散堆积物（无强震也有侧蚀崩塌）
-    - condition: {dist_to_river: [very_close, close], lithology: [unconsolidated], slope: [moderate, steep]}
+    - condition: {dist_to_river: [very_close, close], lithology: [unconsolidated], slope: [medium, high]}
       probability: 0.30
     # 断裂带+陡坡（无强震也有蠕变崩塌）
-    - condition: {dist_to_fault: [very_close], slope: [steep, very_steep, extreme_steep]}
+    - condition: {dist_to_fault: [very_close], slope: [high, very_high]}
       probability: 0.28
     # 大地震+远距+陡坡
-    - condition: {magnitude: [major, great], epicenter_distance: [moderate, far], slope: [steep, very_steep, extreme_steep]}
+    - condition: {magnitude: [major, great], epicenter_distance: [moderate, far], slope: [high, very_high]}
       probability: 0.25
 
     # === 低风险兜底（≤0.05）===
     - condition: {magnitude: [minor]}
       probability: 0.01
-    - condition: {slope: [flat, gentle]}
+    - condition: {slope: [very_low, low]}
       probability: 0.01
diff --git a/app/config/dbn/earthquake_dbn_graph.yaml b/app/config/dbn/earthquake_dbn_graph.yaml
index 185b85d..9e0f938 100644
--- a/app/config/dbn/earthquake_dbn_graph.yaml
+++ b/app/config/dbn/earthquake_dbn_graph.yaml
@@ -146,21 +146,22 @@ node_states:
   epicenter_distance: [very_near, near, moderate, far]
   seismic_intensity: [minor, light, moderate, severe, extreme]
 
-  # 环境层（与暴雨模型共享，状态名一致）
-  elevation: [basin, plain_urban, transition, low_mountain, mid_mountain, high_mountain]
-  slope: [flat, gentle, moderate, steep, very_steep, extreme_steep]
-  aspect: [north, east, south, west, north_loop]
+  # 环境层（与暴雨模型共享，状态名与 discretization.yaml 一致）
+  # 基于1201个样本的实际数据分布，2026-06-06更新
+  elevation: [very_low, low, medium, high, very_high]
+  slope: [very_low, low, medium, high, very_high]
+  aspect: [flat, north, east, south, west]
   soil_type: [ultisol, entisol, fluvo_aquic, yellow_brown]
   lithology: [acid_rock, basic_rock, carbonate, metamorphic, mixed_clastic, terrigenous, unconsolidated]
   landuse: [forest, farmland, urban, water, barren]
   terrain: [mountain, plain, deep_valley, hill, gentle_hill, low_mountain, flat_plain]
-  ndvi: [water, bare, sparse, moderate, dense, very_dense]
-  sand_content: [low, medium, high]
-  ph: [acidic, neutral, alkaline]
-  soil_moisture: [dry, moist, wet, saturated]
-  organic_carbon: [low, medium, high]
-  dist_to_river: [very_close, close, moderate, far]
-  dist_to_fault: [very_close, close, moderate, far]
+  ndvi: [very_low, low, medium, high, very_high]
+  sand_content: [very_low, low, medium, high, very_high]
+  ph: [very_low, low, medium, high, very_high]
+  soil_moisture: [very_low, low, medium, high]
+  organic_carbon: [very_low, low, medium, high, very_high]
+  dist_to_river: [very_close, close, moderate, far, very_far]
+  dist_to_fault: [very_close, close, moderate, far, very_far]
 
   # 灾害层
   landslide: [none, low, medium, high, very_high]
diff --git a/app/config/dbn/rainfall_cpt_params.yaml b/app/config/dbn/rainfall_cpt_params.yaml
index 713e1cc..15c296d 100644
--- a/app/config/dbn/rainfall_cpt_params.yaml
+++ b/app/config/dbn/rainfall_cpt_params.yaml
@@ -50,53 +50,53 @@ landslide:
   rules:
     # === 极高风险（≥0.70）===
     # 暴雨+陡坡+前期饱和：秦岭北坡典型触发条件
-    - condition: {rain_intensity: [storm, downpour, extreme], slope: [steep, very_steep, extreme_steep], soil_moisture: [wet, saturated]}
+    - condition: {rain_intensity: [storm, downpour, extreme], slope: [high, very_high], soil_moisture: [medium, high]}
       probability: 0.75
     # 暴雨+陡坡+断裂带附近：秦岭北缘断裂沿线，岩体破碎
-    - condition: {rain_intensity: [storm, downpour, extreme], slope: [steep, very_steep, extreme_steep], dist_to_fault: [very_close, close]}
+    - condition: {rain_intensity: [storm, downpour, extreme], slope: [high, very_high], dist_to_fault: [very_close, close]}
       probability: 0.72
     # 长历时暴雨+陡坡+饱和：持续降雨导致深层渗流
-    - condition: {duration: [long], rain_intensity: [heavy, storm, downpour, extreme], slope: [steep, very_steep, extreme_steep], soil_moisture: [wet, saturated]}
+    - condition: {duration: [long], rain_intensity: [heavy, storm, downpour, extreme], slope: [high, very_high], soil_moisture: [medium, high]}
       probability: 0.70
 
     # === 高风险（0.50-0.65）===
     # 暴雨+中陡坡：黄土塬边典型触发条件
-    - condition: {rain_intensity: [storm, downpour, extreme], slope: [moderate, steep, very_steep, extreme_steep]}
+    - condition: {rain_intensity: [storm, downpour, extreme], slope: [medium, high, very_high]}
       probability: 0.60
     # 大雨+陡坡+松散堆积物：黄土滑坡物质条件充分
-    - condition: {rain_intensity: [heavy, storm, downpour], slope: [steep, very_steep, extreme_steep], lithology: [unconsolidated]}
+    - condition: {rain_intensity: [heavy, storm, downpour], slope: [high, very_high], lithology: [unconsolidated]}
       probability: 0.58
     # 暴雨+中陡坡+断裂带附近
-    - condition: {rain_intensity: [heavy, storm, downpour], slope: [moderate, steep, very_steep, extreme_steep], dist_to_fault: [very_close, close]}
+    - condition: {rain_intensity: [heavy, storm, downpour], slope: [medium, high, very_high], dist_to_fault: [very_close, close]}
       probability: 0.55
     # 城区开挖坡脚/弃土加载+暴雨：工程滑坡
-    - condition: {landuse: [urban], slope: [moderate, steep, very_steep, extreme_steep], rain_intensity: [heavy, storm, downpour, extreme]}
+    - condition: {landuse: [urban], slope: [medium, high, very_high], rain_intensity: [heavy, storm, downpour, extreme]}
       probability: 0.52
     # 大雨+陡坡+初育土（黄土）：黄土塬边滑坡
-    - condition: {rain_intensity: [heavy, storm, downpour], slope: [steep, very_steep, extreme_steep], soil_type: [entisol]}
+    - condition: {rain_intensity: [heavy, storm, downpour], slope: [high, very_high], soil_type: [entisol]}
       probability: 0.50
 
     # === 中风险（0.20-0.40）===
     # 大雨+中坡+饱和
-    - condition: {rain_intensity: [heavy], slope: [moderate, steep], soil_moisture: [wet, saturated]}
+    - condition: {rain_intensity: [heavy], slope: [medium, high], soil_moisture: [medium, high]}
       probability: 0.40
     # 中雨+陡坡
-    - condition: {rain_intensity: [moderate, heavy], slope: [steep, very_steep, extreme_steep]}
+    - condition: {rain_intensity: [moderate, heavy], slope: [high, very_high]}
       probability: 0.35
     # 暴雨+缓坡+松散堆积物：塬面黄土
-    - condition: {rain_intensity: [storm, downpour, extreme], slope: [gentle, moderate], lithology: [unconsolidated]}
+    - condition: {rain_intensity: [storm, downpour, extreme], slope: [low, medium], lithology: [unconsolidated]}
       probability: 0.30
     # 断裂带+陡坡（无强降雨也有基岩蠕变风险）
-    - condition: {dist_to_fault: [very_close], slope: [steep, very_steep, extreme_steep]}
+    - condition: {dist_to_fault: [very_close], slope: [high, very_high]}
       probability: 0.25
     # 城区+中坡：工程扰动
-    - condition: {landuse: [urban], slope: [moderate, steep]}
+    - condition: {landuse: [urban], slope: [medium, high]}
       probability: 0.20
 
     # === 低风险兜底（≤0.05）===
     - condition: {rain_intensity: [no_rain, light]}
       probability: 0.02
-    - condition: {slope: [flat, gentle]}
+    - condition: {slope: [very_low, low]}
       probability: 0.02
 
 # ----------------------------------------
@@ -115,52 +115,52 @@ debris_flow:
   rules:
     # === 极高风险（≥0.70）===
     # 暴雨+陡坡+高含沙量：典型泥石流触发条件
-    - condition: {rain_intensity: [storm, downpour, extreme], slope: [steep, very_steep, extreme_steep], sand_content: [medium, high]}
+    - condition: {rain_intensity: [storm, downpour, extreme], slope: [high, very_high], sand_content: [high, very_high]}
       probability: 0.80
     # 暴雨+陡坡+断裂带附近：破碎岩体提供丰富物源
-    - condition: {rain_intensity: [storm, downpour, extreme], slope: [steep, very_steep, extreme_steep], dist_to_fault: [very_close, close]}
+    - condition: {rain_intensity: [storm, downpour, extreme], slope: [high, very_high], dist_to_fault: [very_close, close]}
       probability: 0.75
     # 暴雨+中高山区+松散堆积物：秦岭北麓沟道泥石流
-    - condition: {rain_intensity: [storm, downpour, extreme], elevation: [mid_mountain, high_mountain], lithology: [unconsolidated, mixed_clastic]}
+    - condition: {rain_intensity: [storm, downpour, extreme], elevation: [high, very_high], lithology: [unconsolidated, mixed_clastic]}
       probability: 0.75
     # 长历时暴雨+陡坡+饱和：深层渗透触发
-    - condition: {duration: [long], rain_intensity: [heavy, storm, downpour, extreme], slope: [steep, very_steep, extreme_steep], soil_moisture: [wet, saturated]}
+    - condition: {duration: [long], rain_intensity: [heavy, storm, downpour, extreme], slope: [high, very_high], soil_moisture: [medium, high]}
       probability: 0.72
 
     # === 高风险（0.50-0.65）===
     # 暴雨+中陡坡：沟道汇流
-    - condition: {rain_intensity: [storm, downpour, extreme], slope: [moderate, steep, very_steep, extreme_steep]}
+    - condition: {rain_intensity: [storm, downpour, extreme], slope: [medium, high, very_high]}
       probability: 0.60
     # 大雨+陡坡+高含沙量
-    - condition: {rain_intensity: [heavy, storm, downpour], slope: [steep, very_steep, extreme_steep], sand_content: [medium, high]}
+    - condition: {rain_intensity: [heavy, storm, downpour], slope: [high, very_high], sand_content: [high, very_high]}
       probability: 0.55
     # 中高山区+中等降雨：物源区本身不稳定
-    - condition: {elevation: [mid_mountain, high_mountain], slope: [moderate, steep, very_steep, extreme_steep], rain_intensity: [heavy, storm, downpour, extreme]}
+    - condition: {elevation: [high, very_high], slope: [medium, high, very_high], rain_intensity: [heavy, storm, downpour, extreme]}
       probability: 0.55
     # 松散堆积物+陡坡+大雨：黄土泥石流
-    - condition: {lithology: [unconsolidated, mixed_clastic], slope: [steep, very_steep, extreme_steep], rain_intensity: [heavy, storm, downpour, extreme]}
+    - condition: {lithology: [unconsolidated, mixed_clastic], slope: [high, very_high], rain_intensity: [heavy, storm, downpour, extreme]}
       probability: 0.52
 
     # === 中风险（0.20-0.40）===
     # 大雨+中坡
-    - condition: {rain_intensity: [moderate, heavy], slope: [moderate, steep]}
+    - condition: {rain_intensity: [moderate, heavy], slope: [medium, high]}
       probability: 0.30
     # 中高山区+中等降雨：物源区稳定性差
-    - condition: {elevation: [mid_mountain, high_mountain], slope: [moderate, steep], rain_intensity: [moderate, heavy]}
+    - condition: {elevation: [high, very_high], slope: [medium, high], rain_intensity: [moderate, heavy]}
       probability: 0.28
     # 暴雨+缓坡+松散堆积物
-    - condition: {rain_intensity: [storm, downpour, extreme], slope: [gentle, moderate], lithology: [unconsolidated]}
+    - condition: {rain_intensity: [storm, downpour, extreme], slope: [low, medium], lithology: [unconsolidated]}
       probability: 0.25
     # 断裂带+陡坡（无强降雨，崩塌堆积物也可启动）
-    - condition: {dist_to_fault: [very_close], slope: [steep, very_steep, extreme_steep]}
+    - condition: {dist_to_fault: [very_close], slope: [high, very_high]}
       probability: 0.22
 
     # === 低风险兜底（≤0.05）===
     - condition: {rain_intensity: [no_rain, light]}
       probability: 0.01
-    - condition: {slope: [flat, gentle]}
+    - condition: {slope: [very_low, low]}
       probability: 0.02
-    - condition: {elevation: [basin, plain_urban]}
+    - condition: {elevation: [very_low, low]}
       probability: 0.02
 
 # ----------------------------------------
@@ -179,13 +179,13 @@ flash_flood:
   rules:
     # === 极高风险（≥0.80）===
     # 暴雨+饱和土壤+近河道：入渗率接近零，全部转为地表径流
-    - condition: {rain_intensity: [storm, downpour, extreme], soil_moisture: [saturated], dist_to_river: [very_close, close]}
+    - condition: {rain_intensity: [storm, downpour, extreme], soil_moisture: [high], dist_to_river: [very_close, close]}
       probability: 0.90
     # 暴雨+饱和+山地地形：秦岭北坡典型山洪条件
-    - condition: {rain_intensity: [storm, downpour, extreme], soil_moisture: [wet, saturated], terrain: [mountain, deep_valley, low_mountain]}
+    - condition: {rain_intensity: [storm, downpour, extreme], soil_moisture: [medium, high], terrain: [mountain, deep_valley, low_mountain]}
       probability: 0.85
     # 大暴雨+近河道+低洼区：渭河平原洪水
-    - condition: {rain_intensity: [downpour, extreme], dist_to_river: [very_close, close], elevation: [basin, plain_urban]}
+    - condition: {rain_intensity: [downpour, extreme], dist_to_river: [very_close, close], elevation: [very_low, low]}
       probability: 0.82
 
     # === 高风险（0.55-0.75）===
@@ -196,7 +196,7 @@ flash_flood:
     - condition: {rain_intensity: [storm, downpour, extreme], terrain: [mountain, deep_valley, low_mountain]}
       probability: 0.65
     # 大雨+饱和土壤+近河道
-    - condition: {rain_intensity: [heavy, storm, downpour], soil_moisture: [wet, saturated], dist_to_river: [very_close, close]}
+    - condition: {rain_intensity: [heavy, storm, downpour], soil_moisture: [medium, high], dist_to_river: [very_close, close]}
       probability: 0.60
     # 长历时暴雨+山地：持续汇流
     - condition: {duration: [long], rain_intensity: [heavy, storm, downpour, extreme], terrain: [mountain, deep_valley, low_mountain]}
@@ -210,16 +210,16 @@ flash_flood:
     - condition: {rain_intensity: [heavy], dist_to_river: [very_close, close]}
       probability: 0.45
     # 暴雨+湿土（非饱和）
-    - condition: {rain_intensity: [storm, downpour, extreme], soil_moisture: [wet]}
+    - condition: {rain_intensity: [storm, downpour, extreme], soil_moisture: [medium]}
       probability: 0.40
     # 大雨+山地地形
     - condition: {rain_intensity: [heavy], terrain: [mountain, deep_valley, low_mountain]}
       probability: 0.35
     # 中雨+饱和+近河道
-    - condition: {rain_intensity: [moderate, heavy], soil_moisture: [saturated], dist_to_river: [very_close, close]}
+    - condition: {rain_intensity: [moderate, heavy], soil_moisture: [high], dist_to_river: [very_close, close]}
       probability: 0.40
     # 极端累计+低洼区
-    - condition: {accum_rain: [extreme], elevation: [basin, plain_urban]}
+    - condition: {accum_rain: [extreme], elevation: [very_low, low]}
       probability: 0.35
     # 暴雨+缓坡+近河道（平原河道溢出）
     - condition: {rain_intensity: [storm, downpour, extreme], dist_to_river: [very_close], terrain: [plain, flat_plain]}
@@ -228,7 +228,7 @@ flash_flood:
     # === 低风险兜底（≤0.05）===
     - condition: {rain_intensity: [no_rain, light]}
       probability: 0.01
-    - condition: {dist_to_river: [far]}
+    - condition: {dist_to_river: [far, very_far]}
       probability: 0.03
 
 # ----------------------------------------
@@ -247,50 +247,50 @@ waterlogging:
   rules:
     # === 极高风险（≥0.80）===
     # 暴雨+高不透水面+管网不足：老城区典型内涝条件
-    - condition: {rain_intensity: [storm, downpour, extreme], impervious: [high], pipe_density: [none, low]}
+    - condition: {rain_intensity: [storm, downpour, extreme], impervious: [high, medium], pipe_density: [none, low]}
       probability: 0.90
     # 极端累计降雨+长历时+高不透水面：持续强降雨
-    - condition: {accum_rain: [heavy, extreme], duration: [long], impervious: [medium, high]}
+    - condition: {accum_rain: [heavy, extreme], duration: [long], impervious: [high, medium]}
       probability: 0.82
     # 极端累计+低洼区+管网不足：积水无处排出
-    - condition: {accum_rain: [heavy, extreme], elevation: [basin, plain_urban], pipe_density: [none, low]}
+    - condition: {accum_rain: [heavy, extreme], elevation: [very_low, low], pipe_density: [none, low]}
       probability: 0.80
 
     # === 高风险（0.55-0.75）===
     # 暴雨+高不透水面
-    - condition: {rain_intensity: [storm, downpour, extreme], impervious: [high]}
+    - condition: {rain_intensity: [storm, downpour, extreme], impervious: [high, medium]}
       probability: 0.72
     # 大雨+长历时+高不透水面
-    - condition: {rain_intensity: [heavy], duration: [long], impervious: [high]}
+    - condition: {rain_intensity: [heavy], duration: [long], impervious: [high, medium]}
       probability: 0.65
     # 暴雨+城市用地+管网不足
     - condition: {rain_intensity: [storm, downpour, extreme], landuse: [urban], pipe_density: [none, low]}
       probability: 0.68
     # 大雨+中高不透水面
-    - condition: {rain_intensity: [heavy, storm, downpour], impervious: [medium, high]}
+    - condition: {rain_intensity: [heavy, storm, downpour], impervious: [high, medium]}
       probability: 0.60
     # 极端累计+低洼区（不透水面不高也会积水）
-    - condition: {accum_rain: [extreme], elevation: [basin, plain_urban]}
+    - condition: {accum_rain: [extreme], elevation: [very_low, low]}
       probability: 0.58
     # 饱和土壤+暴雨+低洼区：入渗饱和后地表积水
-    - condition: {soil_moisture: [saturated], rain_intensity: [heavy, storm, downpour, extreme], elevation: [basin, plain_urban]}
+    - condition: {soil_moisture: [high], rain_intensity: [heavy, storm, downpour, extreme], elevation: [very_low, low]}
       probability: 0.55
 
     # === 中风险（0.25-0.45）===
     # 大雨+中高不透水面
-    - condition: {rain_intensity: [moderate, heavy], impervious: [medium, high]}
+    - condition: {rain_intensity: [moderate, heavy], impervious: [high, medium]}
       probability: 0.40
     # 中等累计+管网不足
-    - condition: {accum_rain: [moderate, heavy], pipe_density: [none, low], impervious: [medium]}
+    - condition: {accum_rain: [moderate, heavy], pipe_density: [none, low], impervious: [high, medium]}
       probability: 0.38
     # 暴雨+低不透水面（非城区但排水不畅）
-    - condition: {rain_intensity: [storm, downpour, extreme], impervious: [low]}
+    - condition: {rain_intensity: [storm, downpour, extreme], impervious: [none, very_low, low]}
       probability: 0.30
     # 近河道+暴雨：排水出口受河道水位顶托
-    - condition: {dist_to_river: [very_close, close], rain_intensity: [heavy, storm, downpour, extreme], elevation: [basin, plain_urban]}
+    - condition: {dist_to_river: [very_close, close], rain_intensity: [heavy, storm, downpour, extreme], elevation: [very_low, low]}
       probability: 0.35
     # 农田积水：低洼农田排水不畅
-    - condition: {landuse: [farmland], rain_intensity: [heavy, storm, downpour, extreme], elevation: [basin, plain_urban]}
+    - condition: {landuse: [farmland], rain_intensity: [heavy, storm, downpour, extreme], elevation: [very_low, low]}
       probability: 0.30
 
     # === 低风险兜底（≤0.05）===
@@ -299,7 +299,7 @@ waterlogging:
       probability: 0.05
     - condition: {rain_intensity: [no_rain, light]}
       probability: 0.02
-    - condition: {impervious: [low], pipe_density: [medium, high]}
+    - condition: {impervious: [none, very_low, low], pipe_density: [medium, high]}
       probability: 0.03
 
 # ----------------------------------------
@@ -318,45 +318,45 @@ collapse:
   rules:
     # === 极高风险（≥0.70）===
     # 暴雨+陡坡+松散岩性（黄土/碎屑岩）：黄土塬边崩塌
-    - condition: {rain_intensity: [storm, downpour, extreme], slope: [steep, very_steep, extreme_steep], lithology: [terrigenous, unconsolidated, mixed_clastic]}
+    - condition: {rain_intensity: [storm, downpour, extreme], slope: [high, very_high], lithology: [terrigenous, unconsolidated, mixed_clastic]}
       probability: 0.72
     # 近河道+松散堆积物+陡坡：河流侧蚀致崩塌（渭河/灞河/浐河）
-    - condition: {dist_to_river: [very_close, close], lithology: [unconsolidated], slope: [steep, very_steep, extreme_steep]}
+    - condition: {dist_to_river: [very_close, close], lithology: [unconsolidated], slope: [high, very_high]}
       probability: 0.70
 
     # === 高风险（0.50-0.65）===
     # 暴雨+陡坡+断裂带附近：岩体破碎
-    - condition: {rain_intensity: [storm, downpour, extreme], slope: [moderate, steep, very_steep, extreme_steep], dist_to_fault: [very_close, close]}
+    - condition: {rain_intensity: [storm, downpour, extreme], slope: [medium, high, very_high], dist_to_fault: [very_close, close]}
       probability: 0.65
     # 暴雨+中陡坡+饱和：岩土体强度降低
-    - condition: {rain_intensity: [storm, downpour, extreme], slope: [moderate, steep, very_steep, extreme_steep], soil_moisture: [wet, saturated]}
+    - condition: {rain_intensity: [storm, downpour, extreme], slope: [medium, high, very_high], soil_moisture: [medium, high]}
       probability: 0.60
     # 近河道+暴雨+中陡坡：岸坡浸泡+洪水冲刷
-    - condition: {dist_to_river: [very_close, close], rain_intensity: [storm, downpour, extreme], slope: [moderate, steep, very_steep, extreme_steep]}
+    - condition: {dist_to_river: [very_close, close], rain_intensity: [storm, downpour, extreme], slope: [medium, high, very_high]}
       probability: 0.58
     # 暴雨+中陡坡
-    - condition: {rain_intensity: [storm, downpour, extreme], slope: [moderate, steep, very_steep, extreme_steep]}
+    - condition: {rain_intensity: [storm, downpour, extreme], slope: [medium, high, very_high]}
       probability: 0.50
     # 长历时+大雨+陡坡+松散岩性：持续入渗软化
-    - condition: {duration: [long], rain_intensity: [heavy, storm, downpour, extreme], slope: [steep, very_steep, extreme_steep], lithology: [terrigenous, unconsolidated, mixed_clastic]}
+    - condition: {duration: [long], rain_intensity: [heavy, storm, downpour, extreme], slope: [high, very_high], lithology: [terrigenous, unconsolidated, mixed_clastic]}
       probability: 0.55
 
     # === 中风险（0.20-0.40）===
     # 近河道+缓坡+松散堆积物：侧蚀累积效应
-    - condition: {dist_to_river: [very_close, close], lithology: [unconsolidated], slope: [moderate]}
+    - condition: {dist_to_river: [very_close, close], lithology: [unconsolidated], slope: [medium]}
       probability: 0.35
     # 大雨+中坡
-    - condition: {rain_intensity: [heavy], slope: [moderate, steep]}
+    - condition: {rain_intensity: [heavy], slope: [medium, high]}
       probability: 0.30
     # 断裂带+陡坡（无强降雨也有蠕变崩塌风险）
-    - condition: {dist_to_fault: [very_close], slope: [steep, very_steep, extreme_steep]}
+    - condition: {dist_to_fault: [very_close], slope: [high, very_high]}
       probability: 0.25
     # 暴雨+缓坡+松散岩性
-    - condition: {rain_intensity: [storm, downpour, extreme], slope: [gentle, moderate], lithology: [unconsolidated]}
+    - condition: {rain_intensity: [storm, downpour, extreme], slope: [low, medium], lithology: [unconsolidated]}
       probability: 0.22
 
     # === 低风险兜底（≤0.05）===
     - condition: {rain_intensity: [no_rain, light]}
       probability: 0.01
-    - condition: {slope: [flat, gentle]}
+    - condition: {slope: [very_low, low]}
       probability: 0.01
diff --git a/app/config/dbn/rainfall_dbn_graph.yaml b/app/config/dbn/rainfall_dbn_graph.yaml
index da4185c..f0740e2 100644
--- a/app/config/dbn/rainfall_dbn_graph.yaml
+++ b/app/config/dbn/rainfall_dbn_graph.yaml
@@ -142,22 +142,23 @@ node_states:
   duration: [short, medium, long]
   accum_rain: [trace, light, moderate, heavy, extreme]
 
-  # 环境层（离散字段状态名与数据库编码一一对应，连续字段用工程分级）
-  elevation: [basin, plain_urban, transition, low_mountain, mid_mountain, high_mountain]
-  slope: [flat, gentle, moderate, steep, very_steep, extreme_steep]
-  aspect: [north, east, south, west, north_loop]
+  # 环境层（离散字段状态名与数据库编码一一对应，连续字段用分位数分箱）
+  # 基于1201个样本的实际数据分布，2026-06-06更新
+  elevation: [very_low, low, medium, high, very_high]
+  slope: [very_low, low, medium, high, very_high]
+  aspect: [flat, north, east, south, west]
   soil_type: [ultisol, entisol, fluvo_aquic, yellow_brown]
   lithology: [acid_rock, basic_rock, carbonate, metamorphic, mixed_clastic, terrigenous, unconsolidated]
   landuse: [forest, farmland, urban, water, barren]
   terrain: [mountain, plain, deep_valley, hill, gentle_hill, low_mountain, flat_plain]
-  impervious: [low, medium, high]
-  ndvi: [water, bare, sparse, moderate, dense, very_dense]
-  sand_content: [low, medium, high]
-  ph: [acidic, neutral, alkaline]
-  soil_moisture: [dry, moist, wet, saturated]
-  organic_carbon: [low, medium, high]
-  dist_to_river: [very_close, close, moderate, far]
-  dist_to_fault: [very_close, close, moderate, far]
+  impervious: [none, very_low, low, medium, high]
+  ndvi: [very_low, low, medium, high, very_high]
+  sand_content: [very_low, low, medium, high, very_high]
+  ph: [very_low, low, medium, high, very_high]
+  soil_moisture: [very_low, low, medium, high]
+  organic_carbon: [very_low, low, medium, high, very_high]
+  dist_to_river: [very_close, close, moderate, far, very_far]
+  dist_to_fault: [very_close, close, moderate, far, very_far]
   pipe_density: [none, low, medium, high]
 
   # 灾害层