feat: 实现 render_three_day_deficit_section HTML渲染函数，与营养报告统一UI风格

utils.py

@@ -102,6 +102,20 @@ ZH = {
     "report_diversity": "饮食多样性",
     "report_suggestions": "饮食建议",
     "report_days": "近{days}天",
+    "three_day_title": "📊 三天深度营养分析",
+    "three_day_subtitle": "基于近三日饮食趋势的持续缺失追踪",
+    "three_day_days": "分析了 {days} 天数据",
+    "three_day_duration": "持续不足的营养素",
+    "three_day_deficit": "缺失风险",
+    "three_day_attention": "需关注",
+    "three_day_good": "摄入达标",
+    "three_day_suggestions": "🍽️ 食材补充建议",
+    "three_day_summary": "📋 总结",
+    "three_day_no_data": "近三天无饮食记录，跳过深度分析",
+    "three_day_all_good": "✅ 各营养素摄入基本达标，继续保持！",
+    "three_day_def_critical": "❌",
+    "three_day_def_warning": "⚠️",
+    "three_day_def_ok": "✅",
 }
 
 EN = {
@@ -154,6 +168,20 @@ EN = {
     "report_diversity": "Diet Diversity",
     "report_suggestions": "Dietary Suggestions",
     "report_days": "Last {days} days",
+    "three_day_title": "📊 3-Day Deep Analysis",
+    "three_day_subtitle": "Continuous deficiency tracking based on recent diet trends",
+    "three_day_days": "Analyzed {days} days of data",
+    "three_day_duration": "Persistent Deficits",
+    "three_day_deficit": "Deficit Risk",
+    "three_day_attention": "Needs Attention",
+    "three_day_good": "Adequate Intake",
+    "three_day_suggestions": "🍽️ Food Suggestions",
+    "three_day_summary": "📋 Summary",
+    "three_day_no_data": "No diet records in the last 3 days, skipping deep analysis",
+    "three_day_all_good": "✅ All nutrients adequate, keep it up!",
+    "three_day_def_critical": "❌",
+    "three_day_def_warning": "⚠️",
+    "three_day_def_ok": "✅",
 }
 
 
@@ -429,6 +457,196 @@ def render_nutrition_report_html(analysis: dict, days: int, lang="zh") -> str:
     </div>"""
 
 
+# ============================================================
+# 三天缺失深度分析 HTML（与营养报告统一视觉风格）
+# ============================================================
+
+def render_three_day_deficit_section(deficit_data: dict, lang="zh") -> str:
+    """
+    渲染三天缺失深度分析板块，与营养报告使用同一套现代UI视觉语言。
+
+    Args:
+        deficit_data: 来自 ThreeDaySummaryPlugin 的数据字典，包含:
+            - "days_analyzed": int
+            - "persistent_deficits": list[str]
+            - "report": str (纯文本报告)
+        lang: 语言标识 "zh" / "en"
+
+    Returns:
+        str: 纯 HTML 字符串，可直接拼接到营养报告之后
+    """
+    if not deficit_data:
+        return ""
+
+    days_analyzed = deficit_data.get("days_analyzed", 0)
+    persistent_deficits = deficit_data.get("persistent_deficits", [])
+    report_text = deficit_data.get("report", "")
+
+    # 如果没有数据则显示提示
+    if deficit_data.get("status") == "no_data" or days_analyzed == 0:
+        no_data_msg = t("three_day_no_data", lang)
+        return f"""
+        <div style="margin-top:20px;padding:20px;text-align:center;color:#aaa;font-size:15px;
+                    background:#fff;border-radius:14px;border:1px solid #f0f0f0;
+                    box-shadow:0 1px 6px rgba(0,0,0,0.04);">
+            {no_data_msg}
+        </div>"""
+
+    # ——— 构建缺失营养素的卡片 ———
+    deficit_cards = ""
+    for nutrient in persistent_deficits:
+        deficit_cards += f"""
+        <div style="background:#fff;border-radius:14px;padding:14px 16px;
+                    box-shadow:0 1px 6px rgba(0,0,0,0.04);border:1px solid #FFCDD2;
+                    transition:all 0.2s;display:flex;align-items:center;gap:12px;">
+            <div style="font-size:24px;min-width:36px;text-align:center;">⚠️</div>
+            <div>
+                <div style="font-weight:600;font-size:15px;color:#C62828;">{nutrient}</div>
+                <div style="font-size:12px;color:#888;margin-top:2px;">{t("three_day_deficit", lang)}</div>
+            </div>
+        </div>"""
+
+    # 如果没有任何缺失，显示全部达标
+    if not deficit_cards:
+        all_good = t("three_day_all_good", lang)
+        deficit_cards = f"""
+        <div style="background:#fff;border-radius:14px;padding:14px 16px;
+                    box-shadow:0 1px 6px rgba(0,0,0,0.04);border:1px solid #C8E6C9;
+                    display:flex;align-items:center;gap:12px;">
+            <div style="font-size:24px;">🎉</div>
+            <div style="font-weight:500;font-size:15px;color:#2E7D32;">{all_good}</div>
+        </div>"""
+
+    # ——— 构建食材建议卡片 ———
+    from modules.nutrition_standards import DRIsParser
+    suggestion_items = ""
+    for nutrient in persistent_deficits[:3]:
+        foods = DRIsParser.RICH_FOODS.get(nutrient, [])
+        if foods:
+            food_tags = "".join(
+                f'<span style="background:#E8F5E9;color:#2E7D32;padding:3px 12px;'
+                f'border-radius:99px;font-size:13px;white-space:nowrap;">{f}</span>'
+                for f in foods[:4]
+            )
+            suggestion_items += f"""
+            <div style="margin-bottom:12px;">
+                <div style="font-weight:600;font-size:14px;color:#E91E63;margin-bottom:6px;">
+                    💪 {nutrient}
+                </div>
+                <div style="display:flex;flex-wrap:wrap;gap:6px;">
+                    {food_tags}
+                </div>
+            </div>"""
+
+    # 如果 persistent_deficits 为空，显示鼓励信息
+    if not suggestion_items:
+        suggestion_items = f"""
+        <div style="font-size:14px;color:#888;text-align:center;padding:8px 0;">
+            🎉 {t("three_day_all_good", lang)}
+        </div>"""
+
+    # ——— 构建纯文本报告（如果存在） ———
+    text_report_html = ""
+    if report_text:
+        # 将纯文本按行转换为 HTML（保留颜色标识）
+        lines = report_text.split("\n")
+        formatted_lines = []
+        for line in lines:
+            line = line.strip()
+            if not line:
+                formatted_lines.append('<div style="height:4px;"></div>')
+            elif line.startswith("📊") or line.startswith("="):
+                # 标题行 + 分隔线
+                continue
+            elif line.startswith("❌"):
+                formatted_lines.append(
+                    f'<div style="font-size:13px;color:#C62828;padding:2px 0;">{line}</div>'
+                )
+            elif line.startswith("⚠️"):
+                formatted_lines.append(
+                    f'<div style="font-size:13px;color:#E65100;padding:2px 0;">{line}</div>'
+                )
+            elif line.startswith("✅"):
+                formatted_lines.append(
+                    f'<div style="font-size:13px;color:#2E7D32;padding:2px 0;">{line}</div>'
+                )
+            elif line.startswith("💡") or line.startswith("-"):
+                continue  # 跳过建议部分（我们已有更好的UI展示）
+            else:
+                formatted_lines.append(
+                    f'<div style="font-size:13px;color:#555;padding:2px 0;">{line}</div>'
+                )
+        if formatted_lines:
+            text_report_html = """
+            <div style="background:#FAFAFA;border-radius:12px;padding:12px 16px;
+                        border:1px solid #f0f0f0;max-height:200px;overflow-y:auto;
+                        font-family:'Courier New',monospace;">
+            """ + "".join(formatted_lines) + "</div>"
+
+    days_label = t("three_day_days", lang).format(days=days_analyzed)
+
+    # ——— 拼装最终 HTML ———
+    return f"""
+    <div style="margin-top:20px;font-family:system-ui,-apple-system,sans-serif;max-width:100%;">
+
+        <!-- ★ Header: 与营养报告统一的渐变风格 -->
+        <div style="background:linear-gradient(135deg,#E8F5E9,#F1F8E9);border-radius:18px;padding:20px 24px;margin-bottom:16px;">
+            <div style="display:flex;justify-content:space-between;align-items:center;">
+                <div>
+                    <div style="font-size:20px;font-weight:700;color:#1B5E20;">{t("three_day_title", lang)}</div>
+                    <div style="color:#888;font-size:13px;margin-top:4px;">{t("three_day_subtitle", lang)}</div>
+                </div>
+                <div style="text-align:right;">
+                    <div style="font-size:32px;font-weight:800;color:#4CAF50;">{days_analyzed}</div>
+                    <div style="font-size:12px;color:#888;">{days_label.split(" ")[-1] if " " in days_label else ""}</div>
+                </div>
+            </div>
+            <div style="margin-top:8px;font-size:13px;color:#555;">{days_label}</div>
+        </div>
+
+        <!-- 双列布局：左侧缺失营养素 | 右侧食材建议 -->
+        <div style="display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:16px;">
+
+            <!-- 左侧：持续不足的营养素 -->
+            <div style="background:#fff;border-radius:14px;padding:14px 16px;
+                        box-shadow:0 1px 6px rgba(0,0,0,0.04);border:1px solid #f0f0f0;">
+                <div style="font-weight:600;font-size:14px;margin-bottom:10px;color:#333;">
+                    ⚠️ {t("three_day_duration", lang)}
+                </div>
+                <div style="display:flex;flex-direction:column;gap:8px;">
+                    {deficit_cards}
+                </div>
+            </div>
+
+            <!-- 右侧：食材补充建议 -->
+            <div style="background:linear-gradient(135deg,#FFF8E1,#FFFDE7);border-radius:14px;padding:14px 16px;
+                        border:1px solid #FFE082;">
+                <div style="font-weight:600;font-size:14px;margin-bottom:10px;color:#E65100;">
+                    {t("three_day_suggestions", lang)}
+                </div>
+                {suggestion_items}
+            </div>
+
+        </div>
+
+        <!-- 详细数据（如果存在） -->
+        {f'''
+        <div style="margin-bottom:12px;">
+            <details style="background:#fff;border-radius:14px;padding:14px 16px;
+                           box-shadow:0 1px 6px rgba(0,0,0,0.04);border:1px solid #f0f0f0;">
+                <summary style="font-weight:600;font-size:14px;color:#666;cursor:pointer;">
+                    📋 {t("three_day_summary", lang)}
+                </summary>
+                <div style="margin-top:10px;">
+                    {text_report_html}
+                </div>
+            </details>
+        </div>
+        ''' if text_report_html else ''}
+
+    </div>"""
+
+
 # ============================================================
 # 自定义 CSS 样式
 # ============================================================