fix color

task3/07_sensitivity.py

@@ -16,17 +16,66 @@ Task 3 - Step 7: 敏感性分析 (Refined)
 import pandas as pd
 import numpy as np
 from scipy import stats
-import matplotlib.pyplot as plt
 import warnings
 import os
+import tempfile
 from pathlib import Path
 
 warnings.filterwarnings('ignore')
 
-# 设置绘图风格
-plt.style.use('seaborn-v0_8-whitegrid')
-plt.rcParams['font.sans-serif'] = ['Arial Unicode MS', 'SimHei', 'DejaVu Sans']  # 适配中文
-plt.rcParams['axes.unicode_minus'] = False
+# Matplotlib cache dirs（避免 home 目录不可写导致的警告）
+_mpl_config_dir = Path(tempfile.gettempdir()) / "mm_task3_mplconfig"
+_xdg_cache_dir = Path(tempfile.gettempdir()) / "mm_task3_xdg_cache"
+_mpl_config_dir.mkdir(parents=True, exist_ok=True)
+_xdg_cache_dir.mkdir(parents=True, exist_ok=True)
+os.environ.setdefault("MPLCONFIGDIR", str(_mpl_config_dir))
+os.environ.setdefault("XDG_CACHE_HOME", str(_xdg_cache_dir))
+
+import matplotlib.pyplot as plt
+from cycler import cycler
+
+# 设置绘图风格（低饱和度 Morandi 色系）
+MORANDI = {
+    "bg": "#F5F2ED",
+    "grid": "#D7D1C7",
+    "text": "#3F3F3F",
+    "muted_blue": "#8FA3A7",
+    "muted_blue_dark": "#6E858A",
+    "sage": "#AEB8A6",
+    "terracotta": "#B07A6A",
+    "warm_gray": "#8C857A",
+}
+
+plt.rcParams.update(
+    {
+        "figure.facecolor": MORANDI["bg"],
+        "axes.facecolor": MORANDI["bg"],
+        "savefig.facecolor": MORANDI["bg"],
+        "axes.edgecolor": MORANDI["grid"],
+        "axes.labelcolor": MORANDI["text"],
+        "xtick.color": MORANDI["text"],
+        "ytick.color": MORANDI["text"],
+        "text.color": MORANDI["text"],
+        "grid.color": MORANDI["grid"],
+        "grid.alpha": 0.55,
+        "axes.grid": True,
+        "axes.prop_cycle": cycler(
+            "color",
+            [
+                MORANDI["muted_blue"],
+                MORANDI["sage"],
+                MORANDI["terracotta"],
+                MORANDI["warm_gray"],
+            ],
+        ),
+        "legend.frameon": True,
+        "legend.framealpha": 0.9,
+        "legend.facecolor": MORANDI["bg"],
+        "legend.edgecolor": MORANDI["grid"],
+        "font.sans-serif": ["Arial Unicode MS", "SimHei", "DejaVu Sans"],
+        "axes.unicode_minus": False,
+    }
+)
 
 # ============================================
 # 基础参数和函数 (保持不变)
@@ -333,16 +382,38 @@ for i, param in enumerate(params_list):
     data = df_results[df_results['param'] == param].sort_values('value')
     
     # 绘制 E1/E2 - 左轴
-    line1, = ax.plot(data['value'], data['E1'], 'b-', linewidth=1.6, label='Expected Service (E1)')
-    line2, = ax.plot(data['value'], data['E2'], 'g-', linewidth=1.6, alpha=0.9, label='Quality-weighted (E2)')
+    line1, = ax.plot(
+        data['value'],
+        data['E1'],
+        linestyle='-',
+        color=MORANDI["muted_blue_dark"],
+        linewidth=1.8,
+        label='Expected Service (E1)',
+    )
+    line2, = ax.plot(
+        data['value'],
+        data['E2'],
+        linestyle='-',
+        color=MORANDI["sage"],
+        linewidth=1.8,
+        alpha=0.95,
+        label='Quality-weighted (E2)',
+    )
     ax.set_xlabel(param_labels[param][0])
     ax.set_ylabel('Service (E1/E2)')
     
     # 绘制 R1 (风险) - 右轴
     ax2 = ax.twinx()
-    line3, = ax2.plot(data['value'], data['R1'], 'r--', linewidth=1.6, label='Shortfall Risk (R1)')
-    ax2.set_ylabel('Risk Probability (R1)', color='r')
-    ax2.tick_params(axis='y', labelcolor='r')
+    line3, = ax2.plot(
+        data['value'],
+        data['R1'],
+        linestyle='--',
+        color=MORANDI["terracotta"],
+        linewidth=1.8,
+        label='Shortfall Risk (R1)',
+    )
+    ax2.set_ylabel('Risk Probability (R1)', color=MORANDI["terracotta"])
+    ax2.tick_params(axis='y', labelcolor=MORANDI["terracotta"])
     
     # 添加基准线
     if param == 'merge_ratio':
@@ -354,7 +425,7 @@ for i, param in enumerate(params_list):
     elif param == 'cv_max':
         base_val = BASE_CV_MAX
         
-    ax.axvline(x=base_val, color='gray', linestyle=':', alpha=0.5)
+    ax.axvline(x=base_val, color=MORANDI["warm_gray"], linestyle=':', alpha=0.65)
     
     # 图例
     lines = [line1, line2, line3]
@@ -362,7 +433,7 @@ for i, param in enumerate(params_list):
     ax.legend(lines, labels, loc='best', frameon=True)
     
     ax.set_title(f'Effect of {param_labels[param][0]}')
-    ax.grid(True, alpha=0.3)
+    ax.grid(True, alpha=0.55)
 
 plt.tight_layout(rect=[0, 0.03, 1, 0.95])
 plt.savefig(OUTPUT_FIG, dpi=300)