diff --git a/src/layout/components/Navbar.vue b/src/layout/components/Navbar.vue
index e1683ae..4949c82 100644
--- a/src/layout/components/Navbar.vue
+++ b/src/layout/components/Navbar.vue
@@ -64,10 +64,10 @@
 
     <div :class="['el-ment', { 'platform-nav': role === 1 || role === 2, 'school-admin-nav': role === 2, 'teacher-nav': role === 3 }]">
       <template v-for="item in roleList" :key="item.name">
-        <div :class="['el-ment-item', { 'el-ment-item-active': isActive(item) }]" @click="go(item)">
-          <span class="menu-indicator"></span>
-          <el-icon v-if="role === 4 && item.icon" class="menu-ico"><component :is="item.icon" /></el-icon>
-          <span class="menu-text">{{ item.name }}</span>
+        <div :class="['el-ment-item', { 'el-ment-item-active': isActive(item) }]" @click="go(item)">
+          <span class="menu-indicator"></span>
+          <el-icon v-if="role === 4 && item.icon" class="menu-ico"><component :is="item.icon" /></el-icon>
+          <span class="menu-text">{{ item.name }}</span>
         </div>
       </template>
     </div>
@@ -116,7 +116,7 @@
 </template>
 
 <script setup>
-import { ElMessageBox } from "element-plus";
+import { ElMessageBox } from "element-plus";
 import { HomeFilled, Reading, Document, TrendCharts, DataLine } from "@element-plus/icons-vue";
 import Breadcrumb from "@/components/Breadcrumb";
 import TopNav from "@/components/TopNav";
@@ -146,28 +146,28 @@ const roleText = computed(() => {
 
 const studentTopTask = ref(null);
 
-const mentList = ref([
-  { name: "首页", path: "/index", icon: HomeFilled },
-  { name: "学校管理", path: "/platform-schools/index", role: 1, activePrefix: "/platform-schools" },
-  { name: "教师管理", path: "/platform-teachers/index", role: 1, activePrefix: "/platform-teachers" },
-  { name: "实训任务管理", path: "/platform-training-task/index", role: 1, activePrefix: "/platform-training-task" },
-  { name: "院系管理", path: "/admin-faculty/index", role: 2, activePrefix: "/admin-faculty" },
-  { name: "专业管理", path: "/admin-major/index", role: 2, activePrefix: "/admin-major" },
-  { name: "班级管理", path: "/admin-class/index", role: 2, activePrefix: "/admin-class" },
-  { name: "教师管理", path: "/admin-teacher/index", role: 2, activePrefix: "/admin-teacher" },
-  { name: "学生管理", path: "/admin-student/index", role: 2, activePrefix: "/admin-student" },
-  { name: "考试考核", path: "/examination/index", role: 4, activePrefix: "/examination" },
-  { name: "实验报告", path: "/report/index", role: 4, icon: Document },
-  { name: "BI可视化", path: "/bi", role: 4, icon: TrendCharts },
-  { name: "AI学情分析", path: "/analysis/index", icon: DataLine },
-  { name: "AI实训教案", path: "/ai/teaching-plan", role: 3 },
-  { name: "院系管理", path: "/school/index", role: 3, teacherMenu: true, activePrefix: "/school" },
-  { name: "专业管理", path: "/major/index", role: 3, teacherMenu: true, activePrefix: "/major" },
-  { name: "班级管理", path: "/class/index", role: 3, teacherMenu: true, activePrefix: "/class" },
-  { name: "教师管理", path: "/teacher/index", role: 3, teacherMenu: true, activePrefix: "/teacher" },
-  { name: "学生管理", path: "/student/index", role: 3, teacherMenu: true, activePrefix: "/student" },
-  { name: "任务分配", path: "/task/index", role: 3, teacherMenu: true, activePrefix: "/task" },
-  { name: "成绩中心", path: "/score/index", role: 3, teacherMenu: true, activePrefix: "/score" },
+const mentList = ref([
+  { name: "首页", path: "/index", icon: HomeFilled },
+  { name: "学校管理", path: "/platform-schools/index", role: 1, activePrefix: "/platform-schools" },
+  { name: "教师管理", path: "/platform-teachers/index", role: 1, activePrefix: "/platform-teachers" },
+  { name: "实训任务管理", path: "/platform-training-task/index", role: 1, activePrefix: "/platform-training-task" },
+  { name: "院系管理", path: "/admin-faculty/index", role: 2, activePrefix: "/admin-faculty" },
+  { name: "专业管理", path: "/admin-major/index", role: 2, activePrefix: "/admin-major" },
+  { name: "班级管理", path: "/admin-class/index", role: 2, activePrefix: "/admin-class" },
+  { name: "教师管理", path: "/admin-teacher/index", role: 2, activePrefix: "/admin-teacher" },
+  { name: "学生管理", path: "/admin-student/index", role: 2, activePrefix: "/admin-student" },
+  { name: "考试考核", path: "/examination/index", role: 4, activePrefix: "/examination" },
+  { name: "实验报告", path: "/report/index", role: 4, icon: Document },
+  { name: "BI可视化", path: "/bi", role: 4, icon: TrendCharts },
+  { name: "AI学情分析", path: "/analysis/index", icon: DataLine },
+  { name: "AI实训教案", path: "/ai/teaching-plan", role: 3 },
+  { name: "院系管理", path: "/school/index", role: 3, teacherMenu: true, activePrefix: "/school" },
+  { name: "专业管理", path: "/major/index", role: 3, teacherMenu: true, activePrefix: "/major" },
+  { name: "班级管理", path: "/class/index", role: 3, teacherMenu: true, activePrefix: "/class" },
+  { name: "教师管理", path: "/teacher/index", role: 3, teacherMenu: true, activePrefix: "/teacher" },
+  { name: "学生管理", path: "/student/index", role: 3, teacherMenu: true, activePrefix: "/student" },
+  { name: "任务分配", path: "/task/index", role: 3, teacherMenu: true, activePrefix: "/task" },
+  { name: "成绩中心", path: "/score/index", role: 3, teacherMenu: true, activePrefix: "/score" },
 ]);
 const activement = ref(mentList.value[0]);
 
@@ -676,111 +676,111 @@ onMounted(() => {
   }
 }
 
-// ===== 学生端顶部：墨黑极简（与 AI 助学面板同体系）=====
-.student-navbar {
-  background: #1f2937 !important;
-  border-bottom: 1px solid #374151;
-  box-shadow: none;
-
-  .nav-bg-decoration { display: none; }
-
-  // 品牌区：去渐变、去发光
-  .navTitle {
-    background: transparent;
-
-    .logo-area {
-      .logo-icon {
-        filter: none;
-
-        path, circle {
-          stroke: #ffffff;
-        }
-        path:first-child { fill: rgba(255, 255, 255, 0.12); }
-      }
-
-      .nacber-name {
-        color: #ffffff;
-        font-size: 15px;
-        font-weight: 600;
-        letter-spacing: 1px;
-        text-shadow: none;
-      }
-    }
-  }
-
-  // 导航菜单：浅灰文字，hover/active 用半透明白块
-  .el-ment {
-    color: #d1d5db;
-
-    .el-ment-item {
-      padding: 8px 16px;
-      gap: 6px;
-      border-radius: 8px;
-      transition: background 0.16s ease, color 0.16s ease;
-
-      .menu-indicator { display: none; }
-      .menu-ico { font-size: 15px; }
-
-      &:hover {
-        color: #ffffff;
-        background: rgba(255, 255, 255, 0.08);
-        transform: none;
-      }
-    }
-
-    .el-ment-item-active {
-      color: #ffffff;
-      background: rgba(255, 255, 255, 0.14);
-      box-shadow: none;
-
-      &::before { display: none; }
-    }
-  }
-
-  // 右侧操作区：去渐变、去彩色发光环
-  .right-menu {
-    background: transparent;
-
-    .search-box {
-      color: #d1d5db;
-      background: transparent;
-      border: 1px solid rgba(255, 255, 255, 0.2);
-      transition: background 0.16s ease, border-color 0.16s ease, color 0.16s ease;
-
-      &:hover {
-        color: #ffffff;
-        background: rgba(255, 255, 255, 0.1);
-        border-color: rgba(255, 255, 255, 0.32);
-        transform: none;
-      }
-    }
-
-    .divider { background: rgba(255, 255, 255, 0.15); }
-
-    .avatar-container .avatar-wrapper {
-      background: transparent;
-      border: 1px solid rgba(255, 255, 255, 0.2);
-
-      &:hover {
-        background: rgba(255, 255, 255, 0.08);
-        border-color: rgba(255, 255, 255, 0.32);
-      }
-
-      .avatar-ring {
-        padding: 0;
-        background: transparent;
-        box-shadow: none;
-
-        .user-avatar {
-          border: 1px solid rgba(255, 255, 255, 0.25);
-        }
-      }
-
-      .dropdown-icon { color: #d1d5db; }
-    }
-  }
-}
-
+// ===== 学生端顶部：墨黑极简（与 AI 助学面板同体系）=====
+.student-navbar {
+  background: #1f2937 !important;
+  border-bottom: 1px solid #374151;
+  box-shadow: none;
+
+  .nav-bg-decoration { display: none; }
+
+  // 品牌区：去渐变、去发光
+  .navTitle {
+    background: transparent;
+
+    .logo-area {
+      .logo-icon {
+        filter: none;
+
+        path, circle {
+          stroke: #ffffff;
+        }
+        path:first-child { fill: rgba(255, 255, 255, 0.12); }
+      }
+
+      .nacber-name {
+        color: #ffffff;
+        font-size: 15px;
+        font-weight: 600;
+        letter-spacing: 1px;
+        text-shadow: none;
+      }
+    }
+  }
+
+  // 导航菜单：浅灰文字，hover/active 用半透明白块
+  .el-ment {
+    color: #d1d5db;
+
+    .el-ment-item {
+      padding: 8px 16px;
+      gap: 6px;
+      border-radius: 8px;
+      transition: background 0.16s ease, color 0.16s ease;
+
+      .menu-indicator { display: none; }
+      .menu-ico { font-size: 15px; }
+
+      &:hover {
+        color: #ffffff;
+        background: rgba(255, 255, 255, 0.08);
+        transform: none;
+      }
+    }
+
+    .el-ment-item-active {
+      color: #ffffff;
+      background: rgba(255, 255, 255, 0.14);
+      box-shadow: none;
+
+      &::before { display: none; }
+    }
+  }
+
+  // 右侧操作区：去渐变、去彩色发光环
+  .right-menu {
+    background: transparent;
+
+    .search-box {
+      color: #d1d5db;
+      background: transparent;
+      border: 1px solid rgba(255, 255, 255, 0.2);
+      transition: background 0.16s ease, border-color 0.16s ease, color 0.16s ease;
+
+      &:hover {
+        color: #ffffff;
+        background: rgba(255, 255, 255, 0.1);
+        border-color: rgba(255, 255, 255, 0.32);
+        transform: none;
+      }
+    }
+
+    .divider { background: rgba(255, 255, 255, 0.15); }
+
+    .avatar-container .avatar-wrapper {
+      background: transparent;
+      border: 1px solid rgba(255, 255, 255, 0.2);
+
+      &:hover {
+        background: rgba(255, 255, 255, 0.08);
+        border-color: rgba(255, 255, 255, 0.32);
+      }
+
+      .avatar-ring {
+        padding: 0;
+        background: transparent;
+        box-shadow: none;
+
+        .user-avatar {
+          border: 1px solid rgba(255, 255, 255, 0.25);
+        }
+      }
+
+      .dropdown-icon { color: #d1d5db; }
+    }
+  }
+}
+
 // 教师端下拉面板、学生端下拉面板已移至文件末尾非 scoped style 块
 
 // 学生端下拉面板规则见文件末尾（置于基础块之后，避免被深色默认样式反压）
diff --git a/src/views/channel/index.vue b/src/views/channel/index.vue
index 574d1b8..38c9cc6 100644
--- a/src/views/channel/index.vue
+++ b/src/views/channel/index.vue
@@ -1,4 +1,4 @@
-<template>
+<template>
   <div class="channel student-training-shell">
     <main class="training-core">
       <section class="task-header">
diff --git a/src/views/demand/business-feasibility.vue b/src/views/demand/business-feasibility.vue
index a501227..a964af0 100644
--- a/src/views/demand/business-feasibility.vue
+++ b/src/views/demand/business-feasibility.vue
@@ -1,1168 +1,1508 @@
 <template>
-  <div class="feasibility-page student-training-shell">
-    <main class="feasibility-core">
-      <section class="task-header">
-        <div class="task-head-main">
-          <span class="task-badge">DEMAND INSIGHT · BUSINESS CASE</span>
-          <h1 class="task-title">{{ taskTitle }}</h1>
-          <p class="task-brief">
-            <span class="task-brief-text">{{ taskBackground }}</span>
-            <button type="button" class="task-brief-toggle" @click="briefOpen = !briefOpen">
-              {{ briefOpen ? "收起" : "展开目标与要求" }}
-            </button>
-            <span v-if="briefOpen" class="task-brief-more">
-              <b>实训目标</b>
-              <ul><li v-for="goal in taskGoals" :key="goal">{{ goal }}</li></ul>
-              <b>实训要求</b>
-              <p>{{ taskRequirement }}</p>
-            </span>
-          </p>
-        </div>
-        <div class="workbench-actions">
-          <TrainingMaterialButton
-            :material-name="taskConfig?.materialName"
-            :material-url="taskConfig?.materialUrl"
-            :training-data-name="taskConfig?.trainingDataName"
-            :training-data-url="taskConfig?.trainingDataUrl"
-            :guide-manual-name="taskConfig?.guideManualName"
-            :guide-manual-url="taskConfig?.guideManualUrl"
-            :ai-manual-name="taskConfig?.aiManualName"
-            :ai-manual-url="taskConfig?.aiManualUrl"
-          />
-          <button class="action-button" type="button" @click="exportOutcome"><el-icon><Download /></el-icon>导出实训成果</button>
-        </div>
-      </section>
-
-      <section class="workbench">
-
-        <nav class="step-indicator" aria-label="商业可行性论证步骤">
-          <button
-            v-for="(step, index) in trainingSteps"
-            :key="step"
-            type="button"
-            :class="['step-tab', { active: currentStep === index + 1, complete: currentStep > index + 1 }]"
-            :aria-label="`第 ${index + 1} 步：${step}`"
-            :aria-current="currentStep === index + 1 ? 'step' : undefined"
-            :title="step"
-            @click="switchStep(index + 1)"
-          >
-            <span class="step-bar" aria-hidden="true"></span>
-            <span class="step-no" aria-hidden="true">{{ String(index + 1).padStart(2, '0') }}</span>
-            <span class="step-name">{{ step }}</span>
-          </button>
-        </nav>
-
-        <section v-if="currentStep === 1" class="step-card">
-          <div class="step-heading"><div><p class="section-eyebrow">Step 01</p><h2>商业可行性论证</h2></div><em>结构化论证</em></div>
-          <p class="intro">商业可行性论证需要从多个维度系统展开。以下提供了可行性分析的各个子模块，根据案例信息，完善填写以下信息。</p>
-
-          <section class="form-section">
-            <div class="section-title"><span>01</span><div><h3>项目概述</h3><p>结合前序 PEST、SWOT 分析，说明项目为何值得推进。</p></div></div>
-            <div class="form-table overview-table">
-              <label v-for="field in overviewFields" :key="field.key"><span>{{ field.label }}</span><el-input v-model="form.projectOverview[field.key]" type="textarea" :autosize="{ minRows: 2, maxRows: 6 }" :placeholder="field.placeholder" /></label>
-            </div>
-          </section>
-
-          <section class="form-section">
-            <div class="section-title"><span>02</span><div><h3>市场规模与竞争格局</h3><p>填写可验证的市场数据，比例项目以百分数填写，例如 12.5。</p></div></div>
-            <div class="form-table market-table">
-              <label v-for="field in marketFields" :key="field.key"><span>{{ field.label }}</span><div class="input-with-suffix"><el-input-number v-if="field.type === 'number'" v-model="form.marketAnalysis[field.key]" :min="0" :step="0.01" controls-position="right" :placeholder="field.placeholder" /><el-input v-else v-model="form.marketAnalysis[field.key]" :placeholder="field.placeholder" /><b v-if="field.suffix">{{ field.suffix }}</b></div></label>
-            </div>
-          </section>
-
-          <section class="form-section">
-            <div class="section-title"><span>03</span><div><h3>目标用户群体分析</h3><p>从不同消费能力和使用场景中识别最有价值的用户。</p></div></div>
-            <div class="table-wrap"><table><thead><tr><th>用户群体</th><th>典型场景</th><th>核心需求</th><th>消费能力</th></tr></thead><tbody><tr v-for="(user, index) in form.targetUsers" :key="index"><td><el-input v-model="user.userGroup" type="textarea" :autosize="{ minRows: 2, maxRows: 4 }" :placeholder="targetUserExamples[index].userGroup" /></td><td><el-input v-model="user.scenario" type="textarea" :autosize="{ minRows: 2, maxRows: 4 }" :placeholder="targetUserExamples[index].scenario" /></td><td><el-input v-model="user.coreNeed" type="textarea" :autosize="{ minRows: 2, maxRows: 4 }" :placeholder="targetUserExamples[index].coreNeed" /></td><td><el-input v-model="user.spendingPower" :placeholder="targetUserExamples[index].spendingPower" /></td></tr></tbody></table></div>
-          </section>
-
-          <section class="form-section">
-            <div class="section-title"><span>04</span><div><h3>商业模式梳理</h3><p>分别说明基础销售和持续增值服务如何形成收入。</p></div></div>
-            <div class="table-wrap"><table><thead><tr><th>模块</th><th>案例公司的策略</th><th>说明</th></tr></thead><tbody><tr v-for="model in form.businessModels" :key="model.module"><td class="fixed-cell">{{ model.module }}</td><td><el-input v-model="model.strategy" type="textarea" :autosize="{ minRows: 2, maxRows: 4 }" placeholder="填写渠道、产品组合或服务策略" /></td><td><el-input v-model="model.explanation" type="textarea" :autosize="{ minRows: 2, maxRows: 4 }" placeholder="说明策略与用户、成本的关系" /></td></tr></tbody></table></div>
-          </section>
-
-          <section class="form-section">
-            <div class="section-title"><span>05</span><div><h3>成本结构分析</h3><p>填写各项单位成本，单位总成本由系统自动汇总。</p></div></div>
-            <div class="table-wrap"><table><thead><tr><th>成本项目</th><th>金额（元/台）</th></tr></thead><tbody><tr v-for="cost in form.costs" :key="cost.id"><td class="fixed-cell">{{ cost.label }}</td><td><el-input-number v-model="cost.amount" :min="0" :step="0.01" controls-position="right" placeholder="填写金额" /></td></tr><tr class="total-row"><td>单位总成本</td><td><span class="computed-value">{{ currency(totalCost) }}</span></td></tr></tbody></table></div>
-          </section>
-
-          <section class="form-section">
-            <div class="section-title"><span>06</span><div><h3>定价与毛利分析</h3><p>单位毛利 = 单位目标售价 − 单位总成本；毛利率 = 单位毛利 ÷ 单位总成本。</p></div></div>
-            <div class="table-wrap"><table><thead><tr><th>指标</th><th>数值</th></tr></thead><tbody><tr><td class="fixed-cell">目标售价（元/台）</td><td><el-input-number v-model="form.targetPrice" :min="0" :step="0.01" controls-position="right" placeholder="填写目标售价" /></td></tr><tr class="total-row"><td>单位毛利（元/台）</td><td><span class="computed-value">{{ currency(unitGrossProfit) }}</span></td></tr><tr class="total-row"><td>毛利率（%）</td><td><span class="computed-value">{{ percent(grossMargin) }}</span></td></tr></tbody></table></div>
-          </section>
-
-          <section class="form-section">
-            <div class="section-title"><span>07</span><div><h3>风险识别与评估</h3><p>识别项目主要风险，并明确影响程度及可执行的应对措施。</p></div></div>
-            <div class="table-wrap"><table><thead><tr><th>风险类型</th><th>具体风险描述</th><th>影响程度</th><th>应对措施</th></tr></thead><tbody><tr v-for="risk in form.risks" :key="risk.type"><td class="fixed-cell">{{ risk.type }}</td><td><el-input v-model="risk.description" type="textarea" :autosize="{ minRows: 2, maxRows: 4 }" placeholder="填写具体风险" /></td><td><el-select v-model="risk.impact" placeholder="请选择" size="default" class="risk-impact-select"><el-option label="高" value="高" /><el-option label="中" value="中" /><el-option label="低" value="低" /></el-select></td><td><el-input v-model="risk.response" type="textarea" :autosize="{ minRows: 2, maxRows: 4 }" placeholder="填写应对措施" /></td></tr></tbody></table></div>
-          </section>
-
-          <div class="step-actions"><button class="action-button primary" type="button" :disabled="saving" @click="validateAndContinue">{{ saving ? '校验并保存中…' : '校验并进入第 2 步' }}</button><button class="action-button" type="button" :disabled="saving" @click="resetForm"><el-icon><RefreshLeft /></el-icon>清空填写</button></div>
-        </section>
-
-        <section v-else-if="currentStep === 2" class="step-card">
-          <div class="step-heading"><div><p class="section-eyebrow">Step 02</p><h2>项目可行性初步决策</h2></div><em>立项判断</em></div>
-          <p class="intro">综合以上所有分析，初步判断项目的可行性，并明确如果立项后最需要优先解决的关键问题。</p>
-          <section class="decision-section">
-            <h3><span>01</span>该项目商业可行性总体评估为：</h3>
-            <el-radio-group v-model="stepTwo.decision" class="decision-grid" @change="handleDecisionChange">
-              <el-radio v-for="option in feasibilityOptions" :key="option.value" :label="option.value" class="decision-option">
-                <strong>{{ option.label }}</strong><small>{{ option.hint }}</small>
-              </el-radio>
-            </el-radio-group>
-          </section>
-          <section class="decision-section priority-section" :class="{ muted: stepTwo.decision === 'not-feasible' }">
-            <div class="priority-heading"><h3><span>02</span>如果立项，你认为最需要优先解决的 3 个关键问题是：</h3><b>{{ selectedPriorityCount }}/3</b></div>
-            <p v-if="stepTwo.decision === 'not-feasible'" class="hint">已选择"不建议立项"，本项无需填写。</p>
-            <p v-else class="hint">请选择且仅选择 3 项，作为后续立项推进的优先事项。</p>
-            <el-checkbox-group v-model="stepTwo.priorities" class="priority-grid">
-              <el-checkbox v-for="item in priorityOptions" :key="item.value" :label="item.value" :disabled="stepTwo.decision === 'not-feasible' || (!stepTwo.priorities.includes(item.value) && selectedPriorityCount >= 3)" class="priority-option">
-                <span><strong>{{ item.label }}</strong><small>{{ item.detail }}</small></span>
-              </el-checkbox>
-            </el-checkbox-group>
-          </section>
-          <div class="step-actions"><button class="action-button primary" type="button" :disabled="saving" @click="saveStepTwo">{{ saving ? '校验并保存中…' : '保存并进入第 3 步' }}</button><button class="action-button" type="button" :disabled="saving" @click="resetStepTwo"><el-icon><RefreshLeft /></el-icon>清空填写</button></div>
-        </section>
-        <section v-else-if="currentStep === 3" class="step-card report-step">
-          <div class="step-heading"><div><p class="section-eyebrow">Step 03</p><h2>可行性论证报告</h2></div><em>成果提交</em></div>
-          <div class="report-guide"><p>根据前两步的论证结构与信息，结合实训 4–6，撰写可行性论证报告。可参考以下方法：</p><ol><li>根据报告模板，自行分析撰写可行性论证报告。</li><li>使用通用 AI 大模型辅助完成报告，参考步骤提示词见案例文档。</li></ol></div>
-          <section class="report-upload-panel">
-            <input ref="reportInput" class="visually-hidden" type="file" accept=".pdf,.doc,.docx,.png,.jpg,.jpeg" @change="handleReportUpload" />
-            <template v-if="!report.url"><el-icon class="upload-orbit"><Document /></el-icon><h3>上传可行性论证报告</h3><p>支持 PDF、Word、PNG、JPG，文件不超过 20MB。</p><button class="action-button primary" type="button" :disabled="uploading" @click="openReportPicker"><el-icon><UploadFilled /></el-icon>{{ uploading ? '上传中…' : '选择报告附件' }}</button></template>
-            <template v-else><div class="report-file-card"><div class="report-file-icon"><el-icon><Document /></el-icon></div><div class="report-file-meta"><strong>{{ report.name || '可行性论证报告' }}</strong><span>{{ reportKindLabel }} · {{ readableSize(report.size) }}</span></div><div class="report-file-actions"><button type="button" @click="openReportPreview"><el-icon><View /></el-icon>预览</button><button type="button" @click="downloadReport"><el-icon><Download /></el-icon>下载</button><button type="button" class="danger" @click="clearReport"><el-icon><Delete /></el-icon>移除</button></div></div><div class="report-replace"><button class="text-action" type="button" :disabled="uploading" @click="openReportPicker"><el-icon><UploadFilled /></el-icon>{{ uploading ? '上传中…' : '更换附件' }}</button><span>附件已上传，可随时预览或下载核对。</span></div></template>
-          </section>
-          <div class="step-actions"><button class="action-button primary" type="button" :disabled="saving || uploading" @click="saveStepThree">{{ saving ? '校验并保存中…' : '保存并进入第 4 步' }}</button></div>
-          <el-dialog v-model="reportPreviewVisible" class="report-preview-dialog" :title="report.name || '可行性论证报告预览'" width="min(1100px, 94vw)" destroy-on-close append-to-body><div class="report-preview"><el-image v-if="reportKind === 'image'" :src="report.url" fit="contain" :preview-src-list="[report.url]" preview-teleported /><iframe v-else :src="reportPreviewUrl" title="可行性论证报告预览"></iframe></div><template #footer><button class="action-button" type="button" @click="downloadReport"><el-icon><Download /></el-icon>下载附件</button></template></el-dialog>
-        </section>
-        <section v-else class="step-card placeholder"><p>第 {{ currentStep }} 步将在后续实训页面中配置。</p><button class="action-button" type="button" @click="currentStep = 3">返回第 3 步</button></section>
-      </section>
-    </main>
-    <TrainingAiSidebar study-tip="先从案例资料中提炼可验证的市场、用户与成本依据，再形成一致的商业论证。" reference-title="可行性论证提示" reference-text="• 结论要有数据或前序分析支撑<br />• 价格、成本和毛利需要逻辑一致<br />• 风险应附带可执行的应对措施" :progress-items="progressItems" />
-  </div>
+    <div class="feasibility-page student-training-shell">
+        <main class="feasibility-core">
+            <section class="task-header">
+                <div class="task-head-main">
+                    <span class="task-badge">DEMAND INSIGHT · BUSINESS CASE</span>
+                    <h1 class="task-title">{{ taskTitle }}</h1>
+                    <p class="task-brief">
+                        <span class="task-brief-text">{{ taskBackground }}</span>
+                        <button type="button" class="task-brief-toggle" @click="briefOpen = !briefOpen">
+                            {{ briefOpen ? "收起" : "展开目标与要求" }}
+                        </button>
+                        <span v-if="briefOpen" class="task-brief-more">
+                            <b>实训目标</b>
+                            <ul>
+                                <li v-for="goal in taskGoals" :key="goal">{{ goal }}</li>
+                            </ul>
+                            <b>实训要求</b>
+                            <p>{{ taskRequirement }}</p>
+                        </span>
+                    </p>
+                </div>
+                <div class="workbench-actions">
+                    <TrainingMaterialButton :material-name="taskConfig?.materialName"
+                        :material-url="taskConfig?.materialUrl" :training-data-name="taskConfig?.trainingDataName"
+                        :training-data-url="taskConfig?.trainingDataUrl"
+                        :guide-manual-name="taskConfig?.guideManualName" :guide-manual-url="taskConfig?.guideManualUrl"
+                        :ai-manual-name="taskConfig?.aiManualName" :ai-manual-url="taskConfig?.aiManualUrl" />
+                    <button class="action-button" type="button" @click="exportOutcome"><el-icon>
+                            <Download />
+                        </el-icon>导出实训成果</button>
+                </div>
+            </section>
+
+            <section class="workbench">
+
+                <nav class="step-indicator" aria-label="商业可行性论证步骤">
+                    <button v-for="(step, index) in trainingSteps" :key="step" type="button"
+                        :class="['step-tab', { active: currentStep === index + 1, complete: currentStep > index + 1 }]"
+                        :aria-label="`第 ${index + 1} 步：${step}`"
+                        :aria-current="currentStep === index + 1 ? 'step' : undefined" :title="step"
+                        @click="switchStep(index + 1)">
+                        <span class="step-bar" aria-hidden="true"></span>
+                        <span class="step-no" aria-hidden="true">{{ String(index + 1).padStart(2, '0') }}</span>
+                        <span class="step-name">{{ step }}</span>
+                    </button>
+                </nav>
+
+                <section v-if="currentStep === 1" class="step-card">
+                    <div class="step-heading">
+                        <div>
+                            <p class="section-eyebrow">Step 01</p>
+                            <h2>商业可行性论证</h2>
+                        </div><em>结构化论证</em>
+                    </div>
+                    <p class="intro">商业可行性论证需要从多个维度系统展开。以下提供了可行性分析的各个子模块，根据案例信息，完善填写以下信息。</p>
+
+                    <section class="form-section">
+                        <div class="section-title"><span>01</span>
+                            <div>
+                                <h3>项目概述</h3>
+                                <p>结合前序 PEST、SWOT 分析，说明项目为何值得推进。</p>
+                            </div>
+                        </div>
+                        <div class="form-table overview-table">
+                            <label v-for="field in overviewFields" :key="field.key"><span>{{ field.label
+                                    }}</span><el-input v-model="form.projectOverview[field.key]" type="textarea"
+                                    :autosize="{ minRows: 2, maxRows: 6 }" :placeholder="field.placeholder" /></label>
+                        </div>
+                    </section>
+
+                    <section class="form-section">
+                        <div class="section-title"><span>02</span>
+                            <div>
+                                <h3>市场规模与竞争格局</h3>
+                                <p>填写可验证的市场数据，比例项目以百分数填写，例如 12.5。</p>
+                            </div>
+                        </div>
+                        <div class="form-table market-table">
+                            <label v-for="field in marketFields" :key="field.key"><span>{{ field.label }}</span>
+                                <div class="input-with-suffix"><el-input-number v-if="field.type === 'number'"
+                                        v-model="form.marketAnalysis[field.key]" :min="0" :step="0.01"
+                                        controls-position="right" :placeholder="field.placeholder" /><el-input v-else
+                                        v-model="form.marketAnalysis[field.key]" :placeholder="field.placeholder" /><b
+                                        v-if="field.suffix">{{ field.suffix }}</b></div>
+                            </label>
+                        </div>
+                    </section>
+
+                    <section class="form-section">
+                        <div class="section-title"><span>03</span>
+                            <div>
+                                <h3>目标用户群体分析</h3>
+                                <p>从不同消费能力和使用场景中识别最有价值的用户。</p>
+                            </div>
+                        </div>
+                        <div class="table-wrap">
+                            <table>
+                                <thead>
+                                    <tr>
+                                        <th>用户群体</th>
+                                        <th>典型场景</th>
+                                        <th>核心需求</th>
+                                        <th>消费能力</th>
+                                    </tr>
+                                </thead>
+                                <tbody>
+                                    <tr v-for="(user, index) in form.targetUsers" :key="index">
+                                        <td><el-input v-model="user.userGroup" type="textarea"
+                                                :autosize="{ minRows: 2, maxRows: 4 }"
+                                                :placeholder="targetUserExamples[index].userGroup" /></td>
+                                        <td><el-input v-model="user.scenario" type="textarea"
+                                                :autosize="{ minRows: 2, maxRows: 4 }"
+                                                :placeholder="targetUserExamples[index].scenario" /></td>
+                                        <td><el-input v-model="user.coreNeed" type="textarea"
+                                                :autosize="{ minRows: 2, maxRows: 4 }"
+                                                :placeholder="targetUserExamples[index].coreNeed" /></td>
+                                        <td><el-input v-model="user.spendingPower"
+                                                :placeholder="targetUserExamples[index].spendingPower" /></td>
+                                    </tr>
+                                </tbody>
+                            </table>
+                        </div>
+                    </section>
+
+                    <section class="form-section">
+                        <div class="section-title"><span>04</span>
+                            <div>
+                                <h3>商业模式梳理</h3>
+                                <p>分别说明基础销售和持续增值服务如何形成收入。</p>
+                            </div>
+                        </div>
+                        <div class="table-wrap">
+                            <table>
+                                <thead>
+                                    <tr>
+                                        <th>模块</th>
+                                        <th>案例公司的策略</th>
+                                        <th>说明</th>
+                                    </tr>
+                                </thead>
+                                <tbody>
+                                    <tr v-for="model in form.businessModels" :key="model.module">
+                                        <td class="fixed-cell">{{ model.module }}</td>
+                                        <td><el-input v-model="model.strategy" type="textarea"
+                                                :autosize="{ minRows: 2, maxRows: 4 }" placeholder="填写渠道、产品组合或服务策略" />
+                                        </td>
+                                        <td><el-input v-model="model.explanation" type="textarea"
+                                                :autosize="{ minRows: 2, maxRows: 4 }" placeholder="说明策略与用户、成本的关系" />
+                                        </td>
+                                    </tr>
+                                </tbody>
+                            </table>
+                        </div>
+                    </section>
+
+                    <section class="form-section">
+                        <div class="section-title"><span>05</span>
+                            <div>
+                                <h3>成本结构分析</h3>
+                                <p>填写各项单位成本，单位总成本由系统自动汇总。</p>
+                            </div>
+                        </div>
+                        <div class="table-wrap">
+                            <table>
+                                <thead>
+                                    <tr>
+                                        <th>成本项目</th>
+                                        <th>金额（元/台）</th>
+                                    </tr>
+                                </thead>
+                                <tbody>
+                                    <tr v-for="cost in form.costs" :key="cost.id">
+                                        <td class="fixed-cell">{{ cost.label }}</td>
+                                        <td><el-input-number v-model="cost.amount" :min="0" :step="0.01"
+                                                controls-position="right" placeholder="填写金额" /></td>
+                                    </tr>
+                                    <tr class="total-row">
+                                        <td>单位总成本</td>
+                                        <td><span class="computed-value">{{ currency(totalCost) }}</span></td>
+                                    </tr>
+                                </tbody>
+                            </table>
+                        </div>
+                    </section>
+
+                    <section class="form-section">
+                        <div class="section-title"><span>06</span>
+                            <div>
+                                <h3>定价与毛利分析</h3>
+                                <p>单位毛利 = 单位目标售价 − 单位总成本；毛利率 = 单位毛利 ÷ 单位总成本。</p>
+                            </div>
+                        </div>
+                        <div class="table-wrap">
+                            <table>
+                                <thead>
+                                    <tr>
+                                        <th>指标</th>
+                                        <th>数值</th>
+                                    </tr>
+                                </thead>
+                                <tbody>
+                                    <tr>
+                                        <td class="fixed-cell">目标售价（元/台）</td>
+                                        <td><el-input-number v-model="form.targetPrice" :min="0" :step="0.01"
+                                                controls-position="right" placeholder="填写目标售价" /></td>
+                                    </tr>
+                                    <tr class="total-row">
+                                        <td>单位毛利（元/台）</td>
+                                        <td><span class="computed-value">{{ currency(unitGrossProfit) }}</span></td>
+                                    </tr>
+                                    <tr class="total-row">
+                                        <td>毛利率（%）</td>
+                                        <td><span class="computed-value">{{ percent(grossMargin) }}</span></td>
+                                    </tr>
+                                </tbody>
+                            </table>
+                        </div>
+                    </section>
+
+                    <section class="form-section">
+                        <div class="section-title"><span>07</span>
+                            <div>
+                                <h3>风险识别与评估</h3>
+                                <p>识别项目主要风险，并明确影响程度及可执行的应对措施。</p>
+                            </div>
+                        </div>
+                        <div class="table-wrap">
+                            <table>
+                                <thead>
+                                    <tr>
+                                        <th>风险类型</th>
+                                        <th>具体风险描述</th>
+                                        <th>影响程度</th>
+                                        <th>应对措施</th>
+                                    </tr>
+                                </thead>
+                                <tbody>
+                                    <tr v-for="risk in form.risks" :key="risk.type">
+                                        <td class="fixed-cell">{{ risk.type }}</td>
+                                        <td><el-input v-model="risk.description" type="textarea"
+                                                :autosize="{ minRows: 2, maxRows: 4 }" placeholder="填写具体风险" /></td>
+                                        <td><el-select v-model="risk.impact" placeholder="请选择" size="default"
+                                                class="risk-impact-select"><el-option label="高" value="高" /><el-option
+                                                    label="中" value="中" /><el-option label="低" value="低" /></el-select>
+                                        </td>
+                                        <td><el-input v-model="risk.response" type="textarea"
+                                                :autosize="{ minRows: 2, maxRows: 4 }" placeholder="填写应对措施" /></td>
+                                    </tr>
+                                </tbody>
+                            </table>
+                        </div>
+                    </section>
+
+                    <div class="step-actions"><button class="action-button primary" type="button" :disabled="saving"
+                            @click="validateAndContinue">{{ saving ? '校验并保存中…' : '校验并进入第 2 步' }}</button><button
+                            class="action-button" type="button" :disabled="saving" @click="resetForm"><el-icon>
+                                <RefreshLeft />
+                            </el-icon>清空填写</button></div>
+                </section>
+
+                <section v-else-if="currentStep === 2" class="step-card">
+                    <div class="step-heading">
+                        <div>
+                            <p class="section-eyebrow">Step 02</p>
+                            <h2>项目可行性初步决策</h2>
+                        </div><em>立项判断</em>
+                    </div>
+                    <p class="intro">综合以上所有分析，初步判断项目的可行性，并明确如果立项后最需要优先解决的关键问题。</p>
+                    <section class="decision-section">
+                        <h3><span>01</span>该项目商业可行性总体评估为：</h3>
+                        <el-radio-group v-model="stepTwo.decision" class="decision-grid" @change="handleDecisionChange">
+                            <el-radio v-for="option in feasibilityOptions" :key="option.value" :label="option.value"
+                                class="decision-option">
+                                <strong>{{ option.label }}</strong><small>{{ option.hint }}</small>
+                            </el-radio>
+                        </el-radio-group>
+                    </section>
+                    <section class="decision-section priority-section"
+                        :class="{ muted: stepTwo.decision === 'not-feasible' }">
+                        <div class="priority-heading">
+                            <h3><span>02</span>如果立项，你认为最需要优先解决的 3 个关键问题是：</h3><b>{{ selectedPriorityCount }}/3</b>
+                        </div>
+                        <p v-if="stepTwo.decision === 'not-feasible'" class="hint">已选择"不建议立项"，本项无需填写。</p>
+                        <p v-else class="hint">请选择且仅选择 3 项，作为后续立项推进的优先事项。</p>
+                        <el-checkbox-group v-model="stepTwo.priorities" class="priority-grid">
+                            <el-checkbox v-for="item in priorityOptions" :key="item.value" :label="item.value"
+                                :disabled="stepTwo.decision === 'not-feasible' || (!stepTwo.priorities.includes(item.value) && selectedPriorityCount >= 3)"
+                                class="priority-option">
+                                <span><strong>{{ item.label }}</strong><small>{{ item.detail }}</small></span>
+                            </el-checkbox>
+                        </el-checkbox-group>
+                    </section>
+                    <div class="step-actions"><button class="action-button primary" type="button" :disabled="saving"
+                            @click="saveStepTwo">{{ saving ? '校验并保存中…' : '保存并进入第 3 步' }}</button><button
+                            class="action-button" type="button" :disabled="saving" @click="resetStepTwo"><el-icon>
+                                <RefreshLeft />
+                            </el-icon>清空填写</button></div>
+                </section>
+                <section v-else-if="currentStep === 3" class="step-card report-step">
+                    <div class="step-heading">
+                        <div>
+                            <p class="section-eyebrow">Step 03</p>
+                            <h2>可行性论证报告</h2>
+                        </div><em>成果提交</em>
+                    </div>
+                    <div class="report-guide">
+                        <p>根据前两步的论证结构与信息，结合实训 4–6，撰写可行性论证报告。可参考以下方法：</p>
+                        <ol>
+                            <li>根据报告模板，自行分析撰写可行性论证报告。</li>
+                            <li>使用通用 AI 大模型辅助完成报告，参考步骤提示词见案例文档。</li>
+                        </ol>
+                    </div>
+                    <section class="report-upload-panel">
+                        <input ref="reportInput" class="visually-hidden" type="file"
+                            accept=".pdf,.doc,.docx,.png,.jpg,.jpeg" @change="handleReportUpload" />
+                        <template v-if="!report.url"><el-icon class="upload-orbit">
+                                <Document />
+                            </el-icon>
+                            <h3>上传可行性论证报告</h3>
+                            <p>支持 PDF、Word、PNG、JPG，文件不超过 20MB。</p><button class="action-button primary" type="button"
+                                :disabled="uploading" @click="openReportPicker"><el-icon>
+                                    <UploadFilled />
+                                </el-icon>{{ uploading ? '上传中…' : '选择报告附件' }}</button>
+                        </template>
+                        <template v-else>
+                            <div class="report-file-card">
+                                <div class="report-file-icon"><el-icon>
+                                        <Document />
+                                    </el-icon></div>
+                                <div class="report-file-meta"><strong>{{ report.name || '可行性论证报告' }}</strong><span>{{
+                                        reportKindLabel }} · {{ readableSize(report.size) }}</span></div>
+                                <div class="report-file-actions"><button type="button"
+                                        @click="openReportPreview"><el-icon>
+                                            <View />
+                                        </el-icon>预览</button><button type="button" @click="downloadReport"><el-icon>
+                                            <Download />
+                                        </el-icon>下载</button><button type="button" class="danger"
+                                        @click="clearReport"><el-icon>
+                                            <Delete />
+                                        </el-icon>移除</button></div>
+                            </div>
+                            <div class="report-replace"><button class="text-action" type="button" :disabled="uploading"
+                                    @click="openReportPicker"><el-icon>
+                                        <UploadFilled />
+                                    </el-icon>{{ uploading ? '上传中…' : '更换附件' }}</button><span>附件已上传，可随时预览或下载核对。</span>
+                            </div>
+                        </template>
+                    </section>
+                    <div class="step-actions"><button class="action-button primary" type="button"
+                            :disabled="saving || uploading" @click="saveStepThree">{{ saving ? '校验并保存中…' : '保存并进入第 4 步'
+                            }}</button></div>
+                    <el-dialog v-model="reportPreviewVisible" class="report-preview-dialog"
+                        :title="report.name || '可行性论证报告预览'" width="min(1100px, 94vw)" destroy-on-close append-to-body>
+                        <div class="report-preview"><el-image v-if="reportKind === 'image'" :src="report.url"
+                                fit="contain" :preview-src-list="[report.url]" preview-teleported /><iframe v-else
+                                :src="reportPreviewUrl" title="可行性论证报告预览"></iframe></div><template #footer><button
+                                class="action-button" type="button" @click="downloadReport"><el-icon>
+                                    <Download />
+                                </el-icon>下载附件</button></template>
+                    </el-dialog>
+                </section>
+                <section v-else class="step-card placeholder">
+                    <p>第 {{ currentStep }} 步将在后续实训页面中配置。</p><button class="action-button" type="button"
+                        @click="currentStep = 3">返回第 3
+                        步</button>
+                </section>
+            </section>
+        </main>
+        <TrainingAiSidebar study-tip="先从案例资料中提炼可验证的市场、用户与成本依据，再形成一致的商业论证。" reference-title="可行性论证提示"
+            reference-text="• 结论要有数据或前序分析支撑<br />• 价格、成本和毛利需要逻辑一致<br />• 风险应附带可执行的应对措施"
+            :progress-items="progressItems" />
+    </div>
 </template>
 
 <script setup>
-import { Check, Delete, Document, Download, RefreshLeft, UploadFilled, View } from "@element-plus/icons-vue";
-import { checkBusinessFeasibilityStepOne, checkBusinessFeasibilityStepTwo, checkBusinessFeasibilityStepThree, getStudentTrainingAnswer, saveStudentTrainingAnswer, uploadStudentTrainingFile } from "@/api/studentTrainingAnswer";
-import { getTrainingTaskByKey } from "@/api/trainingTask";
-import { parseTrainingArray } from "@/views/training/taskKeyMap";
-import TrainingAiSidebar from "@/views/components/TrainingAiSidebar.vue";
-import TrainingMaterialButton from "@/views/components/TrainingMaterialButton.vue";
-
-const TASK_KEY = "business-feasibility";
-const DEFAULT_STEPS = ["商业可行性论证", "项目初步决策", "可行性论证报告", "决策结论"];
+import { Check, Delete, Document, Download, RefreshLeft, UploadFilled, View } from "@element-plus/icons-vue"
+import { checkBusinessFeasibilityStepOne, checkBusinessFeasibilityStepTwo, checkBusinessFeasibilityStepThree, getStudentTrainingAnswer, saveStudentTrainingAnswer, uploadStudentTrainingFile } from "@/api/studentTrainingAnswer"
+import { getTrainingTaskByKey } from "@/api/trainingTask"
+import { parseTrainingArray } from "@/views/training/taskKeyMap"
+import TrainingAiSidebar from "@/views/components/TrainingAiSidebar.vue"
+import TrainingMaterialButton from "@/views/components/TrainingMaterialButton.vue"
+
+const TASK_KEY = "business-feasibility"
+const DEFAULT_STEPS = ["商业可行性论证", "项目初步决策", "可行性论证报告", "决策结论"]
 const overviewFields = [
-  { key: "projectBackground", label: "项目背景", placeholder: "示例：根据案例信息简述公司基本情况，再简要阐述智能家居、个护健康、美妆工具等相关市场发展情况和需求情况。" },
-  { key: "productPositioning", label: "产品定位", placeholder: "示例：阐述项目产品针对的目标市场用户、核心卖点、使用场景、差异化理由以及用户收益。" },
-  { key: "projectGoals", label: "项目目标", placeholder: "示例：填写 12 个月短期目标、24 个月中期目标和 36 个月长期目标。" },
-  { key: "macroEnvironmentConclusion", label: "宏观环境分析结论", placeholder: "示例：项目产品 PEST 分析结论。" },
-  { key: "competitiveLandscapeConclusion", label: "竞争态势分析结论", placeholder: "示例：项目产品 SWOT 分析结论。" },
-];
+    { key: "projectBackground", label: "项目背景", placeholder: "示例：根据案例信息简述公司基本情况，再简要阐述智能家居、个护健康、美妆工具等相关市场发展情况和需求情况。" },
+    { key: "productPositioning", label: "产品定位", placeholder: "示例：阐述项目产品针对的目标市场用户、核心卖点、使用场景、差异化理由以及用户收益。" },
+    { key: "projectGoals", label: "项目目标", placeholder: "示例：填写 12 个月短期目标、24 个月中期目标和 36 个月长期目标。" },
+    { key: "macroEnvironmentConclusion", label: "宏观环境分析结论", placeholder: "示例：项目产品 PEST 分析结论。" },
+    { key: "competitiveLandscapeConclusion", label: "竞争态势分析结论", placeholder: "示例：项目产品 SWOT 分析结论。" },
+]
 const marketFields = [
-  { key: "annualMarketSize", label: "年度市场规模", type: "number", suffix: "亿元", placeholder: "例如 80" },
-  { key: "monthlyGrowthRate", label: "月均增长率", type: "number", suffix: "%", placeholder: "例如 2.5" },
-  { key: "topBrandMarketShare", label: "头部第一品牌市场份额", type: "number", suffix: "%", placeholder: "例如 26" },
-  { key: "competitorsPriceRange", label: "主要竞品售价区间", suffix: "元", placeholder: "例如 299 - 899" },
-  { key: "marketConcentrationCr3", label: "市场集中度（CR3）", type: "number", suffix: "%", placeholder: "例如 58" },
-];
+    { key: "annualMarketSize", label: "年度市场规模", type: "number", suffix: "亿元", placeholder: "例如 80" },
+    { key: "monthlyGrowthRate", label: "月均增长率", type: "number", suffix: "%", placeholder: "例如 2.5" },
+    { key: "topBrandMarketShare", label: "头部第一品牌市场份额", type: "number", suffix: "%", placeholder: "例如 26" },
+    { key: "competitorsPriceRange", label: "主要竞品售价区间", suffix: "元", placeholder: "例如 299 - 899" },
+    { key: "marketConcentrationCr3", label: "市场集中度（CR3）", type: "number", suffix: "%", placeholder: "例如 58" },
+]
 const targetUserExamples = [
-  { userGroup: "示例：18-35 岁一二线城市美妆爱好者、美妆博主", scenario: "示例：美妆产品带货、线上美妆教程", coreNeed: "示例：补光效果、AI 测肤精度", spendingPower: "示例：高" },
-  { userGroup: "示例：22-40 岁租房白领、早八通勤族", scenario: "示例：早上上班前快速护肤化妆", coreNeed: "示例：日常化妆、耐用", spendingPower: "示例：中" },
-  { userGroup: "示例：18-28 岁学生群体、礼品采购人群", scenario: "示例：宿舍美妆尝试、礼物赠送", coreNeed: "示例：宿舍美妆工具、生日礼物", spendingPower: "示例：低" },
-];
+    { userGroup: "示例：18-35 岁一二线城市美妆爱好者、美妆博主", scenario: "示例：美妆产品带货、线上美妆教程", coreNeed: "示例：补光效果、AI 测肤精度", spendingPower: "示例：高" },
+    { userGroup: "示例：22-40 岁租房白领、早八通勤族", scenario: "示例：早上上班前快速护肤化妆", coreNeed: "示例：日常化妆、耐用", spendingPower: "示例：中" },
+    { userGroup: "示例：18-28 岁学生群体、礼品采购人群", scenario: "示例：宿舍美妆尝试、礼物赠送", coreNeed: "示例：宿舍美妆工具、生日礼物", spendingPower: "示例：低" },
+]
 const feasibilityOptions = [
-  { value: "highly-feasible", label: "高度可行，建议立即立项启动", hint: "市场、收益与风险条件均具备" },
-  { value: "feasible-after-optimization", label: "基本可行，建议在优化部分条件后立项", hint: "关键条件完善后再推进" },
-  { value: "observe", label: "可行性一般，建议暂缓立项继续观察", hint: "保留机会并持续验证" },
-  { value: "not-feasible", label: "不可行，建议放弃该方向", hint: "当前条件不支持投入" },
-];
+    { value: "highly-feasible", label: "高度可行，建议立即立项启动", hint: "市场、收益与风险条件均具备" },
+    { value: "feasible-after-optimization", label: "基本可行，建议在优化部分条件后立项", hint: "关键条件完善后再推进" },
+    { value: "observe", label: "可行性一般，建议暂缓立项继续观察", hint: "保留机会并持续验证" },
+    { value: "not-feasible", label: "不可行，建议放弃该方向", hint: "当前条件不支持投入" },
+]
 const priorityOptions = [
-  { value: "hardware-cost-control", label: "硬件成本控制", detail: "降低 BOM 成本" },
-  { value: "content-ecosystem", label: "内容生态搭建", detail: "相关教程课程合作" },
-  { value: "channel-expansion", label: "渠道拓展", detail: "线上流量获取" },
-  { value: "brand-differentiation", label: "品牌差异化", detail: "与头部品牌形成区隔" },
-  { value: "supply-chain-management", label: "供应链管理", detail: "产能保障与品质控制" },
-  { value: "capital-planning", label: "资金筹措", detail: "融资或分期投入" },
-];
-const defaultTask = { title: "商业可行性论证", background: "在产品开发前，综合市场机会、用户需求、竞争态势、成本收益和风险，判断项目是否具有可推进的商业价值。", goals: ["掌握商业可行性论证的基本维度", "形成市场、用户、成本与收益的一致判断", "识别主要风险并提出应对措施"], requirement: "请以案例资料和前序分析为依据，完成表格全部内容；成本与价格数据需真实、合理且逻辑一致。" };
-const { proxy } = getCurrentInstance();
-const briefOpen = ref(false);
-const taskConfig = ref(null); const currentStep = ref(1); const saving = ref(false); const uploading = ref(false); const completed = ref(false); const stepTwoCompleted = ref(false); const stepThreeCompleted = ref(false); const reportInput = ref(null); const reportPreviewVisible = ref(false); const report = ref(createReport()); const form = ref(createForm()); const stepTwo = ref(createStepTwo());
-const taskTitle = computed(() => taskConfig.value?.taskName || defaultTask.title); const taskBackground = computed(() => taskConfig.value?.background || defaultTask.background); const taskGoals = computed(() => parseArray(taskConfig.value?.objectives, defaultTask.goals)); const taskRequirement = computed(() => taskConfig.value?.requirements || defaultTask.requirement); const trainingSteps = computed(() => parseTrainingArray(taskConfig.value?.steps, DEFAULT_STEPS));
-const totalCost = computed(() => form.value.costs.reduce((sum, cost) => sum + numeric(cost.amount), 0)); const unitGrossProfit = computed(() => numeric(form.value.targetPrice) - totalCost.value); const grossMargin = computed(() => totalCost.value > 0 ? unitGrossProfit.value / totalCost.value * 100 : null);
-const progressItems = computed(() => [{ text: completed.value ? "项目论证已保存" : "待完成项目论证", status: completed.value ? "done" : "" }, { text: totalCost.value > 0 ? "成本与毛利已计算" : "待填写成本与售价", status: totalCost.value > 0 ? "done" : "" }, { text: form.value.risks.filter((risk) => risk.description && risk.response && risk.impact).length === 4 ? "风险评估已完成" : "待完成风险评估", status: form.value.risks.filter((risk) => risk.description && risk.response && risk.impact).length === 4 ? "done" : "" }]);
-const selectedPriorityCount = computed(() => stepTwo.value.priorities.length);
-const reportKind = computed(() => resolveReportKind(report.value)); const reportKindLabel = computed(() => ({ image: "图片附件", pdf: "PDF 文档", word: "Word 文档" }[reportKind.value] || "报告附件")); const reportPreviewUrl = computed(() => { if (reportKind.value !== "word") return report.value.url; const absoluteUrl = /^https?:\/\//i.test(report.value.url) ? report.value.url : new URL(report.value.url, window.location.origin).href; return `https://view.officeapps.live.com/op/view.aspx?src=${encodeURIComponent(absoluteUrl)}`; });
-
-onMounted(async () => { await loadTaskConfig(); await loadSavedAnswer(); });
-function createForm() { return { projectOverview: { projectBackground: "", productPositioning: "", projectGoals: "", macroEnvironmentConclusion: "", competitiveLandscapeConclusion: "" }, marketAnalysis: { annualMarketSize: "", monthlyGrowthRate: "", topBrandMarketShare: "", competitorsPriceRange: "", marketConcentrationCr3: "" }, targetUsers: Array.from({ length: 3 }, () => ({ userGroup: "", scenario: "", coreNeed: "", spendingPower: "" })), businessModels: [{ module: "产品销售渠道", strategy: "", explanation: "" }, { module: "增值服务", strategy: "", explanation: "" }], costs: [{ id: "hardware-bom", label: "硬件 BOM 成本", amount: "" }, { id: "manufacturing", label: "生产制造费用", amount: "" }, { id: "rd-amortization", label: "研发费用摊销", amount: "" }, { id: "channel-marketing", label: "渠道与营销费用", amount: "" }, { id: "logistics-warehouse", label: "物流仓储费用", amount: "" }], targetPrice: "", risks: ["技术风险", "市场风险", "供应链风险", "资金风险"].map((type) => ({ type, description: "", impact: "", response: "" })) }; }
-function createStepTwo() { return { decision: "", priorities: [] }; }
-function createReport() { return { url: "", name: "", size: 0 }; }
-function numeric(value) { const number = Number(value); return Number.isFinite(number) ? number : 0; }
-function currency(value) { return Number(value || 0).toFixed(2); }
-function percent(value) { return value === null || !Number.isFinite(value) ? "--" : `${Number(value).toFixed(2)}%`; }
-function parseArray(value, fallback) { if (Array.isArray(value) && value.length) return value; if (!value) return fallback; try { const parsed = JSON.parse(value); return Array.isArray(parsed) && parsed.length ? parsed.map((item) => String(item?.name ?? item).trim()).filter(Boolean) : fallback; } catch (_) { const items = String(value).split(/[，,|]/).map((item) => item.trim()).filter(Boolean); return items.length ? items : fallback; } }
-async function loadTaskConfig() { try { taskConfig.value = (await getTrainingTaskByKey(TASK_KEY))?.data || null; } catch (_) { taskConfig.value = null; } }
-async function loadSavedAnswer() { try { const saved = await getStudentTrainingAnswer(TASK_KEY)?.data; if (!saved) return; if (saved.step1Answer) { const parsed = JSON.parse(saved.step1Answer); form.value = mergeForm(parsed?.form || parsed); completed.value = true; } if (saved.step2Answer) { const parsed = JSON.parse(saved.step2Answer); stepTwo.value = { ...createStepTwo(), ...(parsed?.stepTwo || parsed || {}), priorities: Array.isArray(parsed?.stepTwo?.priorities || parsed?.priorities) ? (parsed?.stepTwo?.priorities || parsed?.priorities) : [] }; stepTwoCompleted.value = true; } if (saved.step3Answer) { const parsed = JSON.parse(saved.step3Answer); report.value = { ...createReport(), ...(parsed?.report || parsed || {}) }; stepThreeCompleted.value = Boolean(report.value.url); } if (Number(saved.currentStep) > 0) currentStep.value = Number(saved.currentStep); } catch (_) { /* keep a new answer editable */ } }
-function mergeForm(value) { const fallback = createForm(); const merged = { ...fallback, ...(value || {}), projectOverview: { ...fallback.projectOverview, ...(value?.projectOverview || {}) }, marketAnalysis: { ...fallback.marketAnalysis, ...(value?.marketAnalysis || {}) }, targetUsers: Array.isArray(value?.targetUsers) && value.targetUsers.length === 3 ? value.targetUsers : fallback.targetUsers, businessModels: Array.isArray(value?.businessModels) && value.businessModels.length === 2 ? value.businessModels : fallback.businessModels, costs: fallback.costs.map((cost) => ({ ...cost, ...(value?.costs || []).find((item) => item?.id === cost.id) })), risks: fallback.risks.map((risk) => ({ ...risk, ...(value?.risks || []).find((item) => item?.type === risk.type) })) }; return merged; }
-function payload() { return { ...form.value, costs: form.value.costs.map(({ id, amount }) => ({ id, amount: amount === "" ? null : Number(amount) })), targetPrice: form.value.targetPrice === "" ? null : Number(form.value.targetPrice) }; }
-async function validateAndContinue() { if (saving.value) return; saving.value = true; try { const result = await checkBusinessFeasibilityStepOne(payload()); const calculated = result?.data || {}; form.value.costs = form.value.costs.map((cost) => ({ ...cost, amount: cost.amount === "" ? "" : Number(cost.amount) })); await saveStudentTrainingAnswer(TASK_KEY, { step1Answer: JSON.stringify({ form: form.value, calculations: { unitTotalCost: calculated.unitTotalCost ?? totalCost.value, unitGrossProfit: calculated.unitGrossProfit ?? unitGrossProfit.value, grossMargin: calculated.grossMargin ?? grossMargin.value } }), currentStep: 2, submitted: false, saveAction: "SAVE" }); completed.value = true; currentStep.value = 2; proxy?.$modal?.msgSuccess("已完成校验并保存，已进入第 2 步"); } catch (error) { proxy?.$modal?.msgError?.(error?.message || "请完整填写本步骤内容后再提交"); } finally { saving.value = false; } }
-function resetForm() { form.value = createForm(); completed.value = false; proxy?.$modal?.msgSuccess("已清空第 1 步填写内容"); }
-async function saveStepTwo() { if (saving.value) return; saving.value = true; try { await checkBusinessFeasibilityStepTwo({ ...stepTwo.value }); await saveStudentTrainingAnswer(TASK_KEY, { step2Answer: JSON.stringify({ stepTwo: stepTwo.value }), currentStep: 3, submitted: false, saveAction: "SAVE" }); stepTwoCompleted.value = true; currentStep.value = 3; proxy?.$modal?.msgSuccess("已完成校验并保存，已进入第 3 步"); } catch (error) { proxy?.$modal?.msgError?.(error?.message || "请选择总体评估，并按要求填写优先问题"); } finally { saving.value = false; } }
-function resetStepTwo() { stepTwo.value = createStepTwo(); stepTwoCompleted.value = false; proxy?.$modal?.msgSuccess("已清空第 2 步填写内容"); }
-function handleDecisionChange() { if (stepTwo.value.decision === "not-feasible") stepTwo.value.priorities = []; }
-function openReportPicker() { reportInput.value?.click(); }
-async function handleReportUpload(event) { const file = event?.target?.files?.[0]; if (event?.target) event.target.value = ""; if (!file) return; const extension = file.name.split(".").pop()?.toLowerCase(); if (!["pdf", "doc", "docx", "png", "jpg", "jpeg"].includes(extension)) { proxy?.$modal?.msgError("仅支持 PDF、Word、PNG、JPG 格式的报告附件"); return; } if (file.size > 20 * 1024 * 1024) { proxy?.$modal?.msgError("报告附件不能超过 20MB"); return; } uploading.value = true; try { const data = new FormData(); data.append("file", file); const response = await uploadStudentTrainingFile(data); const url = response?.url || response?.data?.url || ""; if (!url) throw new Error("上传未返回文件地址，请重新选择报告附件"); report.value = { url, name: file.name, size: file.size }; proxy?.$modal?.msgSuccess("报告附件上传成功，可点击预览核对"); } catch (error) { proxy?.$modal?.msgError?.(error?.message || "报告附件上传失败，请重试"); } finally { uploading.value = false; } }
-function resolveReportKind(file) { const name = `${file?.name || ""} ${file?.url || ""}`.toLowerCase(); if (/\.(png|jpe?g)(?:\?|$)/.test(name)) return "image"; if (/\.pdf(?:\?|$)/.test(name)) return "pdf"; return "word"; }
-function readableSize(size) { const value = Number(size || 0); return value > 1024 * 1024 ? `${(value / 1024 / 1024).toFixed(1)} MB` : value > 1024 ? `${(value / 1024).toFixed(1)} KB` : "附件已上传"; }
-function openReportPreview() { if (report.value.url) reportPreviewVisible.value = true; }
-function downloadReport() { if (!report.value.url) return; const link = document.createElement("a"); link.href = report.value.url; link.target = "_blank"; link.rel = "noopener"; link.download = report.value.name || "可行性论证报告"; document.body.appendChild(link); link.click(); document.body.removeChild(link); }
-function clearReport() { report.value = createReport(); reportPreviewVisible.value = false; stepThreeCompleted.value = false; }
-async function saveStepThree() { if (saving.value) return; saving.value = true; try { await checkBusinessFeasibilityStepThree({ reportUrl: report.value.url, reportName: report.value.name }); await saveStudentTrainingAnswer(TASK_KEY, { step3Answer: JSON.stringify({ report: report.value }), currentStep: 4, submitted: false, saveAction: "SAVE" }); stepThreeCompleted.value = true; currentStep.value = 4; proxy?.$modal?.msgSuccess("报告已保存，已进入第 4 步"); } catch (error) { proxy?.$modal?.msgError?.(error?.message || "请先上传可行性论证报告"); } finally { saving.value = false; } }
-function switchStep(step) { if (step > 1 && !completed.value) { proxy?.$modal?.msgWarning("请先完成并保存第 1 步"); return; } if (step > 2 && !stepTwoCompleted.value) { proxy?.$modal?.msgWarning("请先完成并保存第 2 步"); return; } if (step > 3 && !stepThreeCompleted.value) { proxy?.$modal?.msgWarning("请先上传并保存第 3 步报告"); return; } currentStep.value = step; }
-function exportOutcome() { const blob = new Blob([JSON.stringify({ task: taskTitle.value, step: 1, ...payload(), calculations: { unitTotalCost: totalCost.value, unitGrossProfit: unitGrossProfit.value, grossMargin: grossMargin.value } }, null, 2)], { type: "application/json;charset=utf-8" }); const link = document.createElement("a"); link.href = URL.createObjectURL(blob); link.download = "商业可行性论证-第1步.json"; link.click(); URL.revokeObjectURL(link.href); }
+    { value: "hardware-cost-control", label: "硬件成本控制", detail: "降低 BOM 成本" },
+    { value: "content-ecosystem", label: "内容生态搭建", detail: "相关教程课程合作" },
+    { value: "channel-expansion", label: "渠道拓展", detail: "线上流量获取" },
+    { value: "brand-differentiation", label: "品牌差异化", detail: "与头部品牌形成区隔" },
+    { value: "supply-chain-management", label: "供应链管理", detail: "产能保障与品质控制" },
+    { value: "capital-planning", label: "资金筹措", detail: "融资或分期投入" },
+]
+const defaultTask = { title: "商业可行性论证", background: "在产品开发前，综合市场机会、用户需求、竞争态势、成本收益和风险，判断项目是否具有可推进的商业价值。", goals: ["掌握商业可行性论证的基本维度", "形成市场、用户、成本与收益的一致判断", "识别主要风险并提出应对措施"], requirement: "请以案例资料和前序分析为依据，完成表格全部内容；成本与价格数据需真实、合理且逻辑一致。" }
+const { proxy } = getCurrentInstance()
+const briefOpen = ref(false)
+const taskConfig = ref(null); const currentStep = ref(1); const saving = ref(false); const uploading = ref(false); const completed = ref(false); const stepTwoCompleted = ref(false); const stepThreeCompleted = ref(false); const reportInput = ref(null); const reportPreviewVisible = ref(false); const report = ref(createReport()); const form = ref(createForm()); const stepTwo = ref(createStepTwo())
+const taskTitle = computed(() => taskConfig.value?.taskName || defaultTask.title); const taskBackground = computed(() => taskConfig.value?.background || defaultTask.background); const taskGoals = computed(() => parseArray(taskConfig.value?.objectives, defaultTask.goals)); const taskRequirement = computed(() => taskConfig.value?.requirements || defaultTask.requirement); const trainingSteps = computed(() => parseTrainingArray(taskConfig.value?.steps, DEFAULT_STEPS))
+const totalCost = computed(() => form.value.costs.reduce((sum, cost) => sum + numeric(cost.amount), 0)); const unitGrossProfit = computed(() => numeric(form.value.targetPrice) - totalCost.value); const grossMargin = computed(() => totalCost.value > 0 ? unitGrossProfit.value / totalCost.value * 100 : null)
+const progressItems = computed(() => [{ text: completed.value ? "项目论证已保存" : "待完成项目论证", status: completed.value ? "done" : "" }, { text: totalCost.value > 0 ? "成本与毛利已计算" : "待填写成本与售价", status: totalCost.value > 0 ? "done" : "" }, { text: form.value.risks.filter((risk) => risk.description && risk.response && risk.impact).length === 4 ? "风险评估已完成" : "待完成风险评估", status: form.value.risks.filter((risk) => risk.description && risk.response && risk.impact).length === 4 ? "done" : "" }])
+const selectedPriorityCount = computed(() => stepTwo.value.priorities.length)
+const reportKind = computed(() => resolveReportKind(report.value)); const reportKindLabel = computed(() => ({ image: "图片附件", pdf: "PDF 文档", word: "Word 文档" }[reportKind.value] || "报告附件")); const reportPreviewUrl = computed(() => { if (reportKind.value !== "word") return report.value.url; const absoluteUrl = /^https?:\/\//i.test(report.value.url) ? report.value.url : new URL(report.value.url, window.location.origin).href; return `https://view.officeapps.live.com/op/view.aspx?src=${encodeURIComponent(absoluteUrl)}` })
+
+onMounted(async () => { await loadTaskConfig(); await loadSavedAnswer() })
+function createForm() { return { projectOverview: { projectBackground: "", productPositioning: "", projectGoals: "", macroEnvironmentConclusion: "", competitiveLandscapeConclusion: "" }, marketAnalysis: { annualMarketSize: "", monthlyGrowthRate: "", topBrandMarketShare: "", competitorsPriceRange: "", marketConcentrationCr3: "" }, targetUsers: Array.from({ length: 3 }, () => ({ userGroup: "", scenario: "", coreNeed: "", spendingPower: "" })), businessModels: [{ module: "产品销售渠道", strategy: "", explanation: "" }, { module: "增值服务", strategy: "", explanation: "" }], costs: [{ id: "hardware-bom", label: "硬件 BOM 成本", amount: "" }, { id: "manufacturing", label: "生产制造费用", amount: "" }, { id: "rd-amortization", label: "研发费用摊销", amount: "" }, { id: "channel-marketing", label: "渠道与营销费用", amount: "" }, { id: "logistics-warehouse", label: "物流仓储费用", amount: "" }], targetPrice: "", risks: ["技术风险", "市场风险", "供应链风险", "资金风险"].map((type) => ({ type, description: "", impact: "", response: "" })) } }
+function createStepTwo() { return { decision: "", priorities: [] } }
+function createReport() { return { url: "", name: "", size: 0 } }
+function numeric(value) { const number = Number(value); return Number.isFinite(number) ? number : 0 }
+function currency(value) { return Number(value || 0).toFixed(2) }
+function percent(value) { return value === null || !Number.isFinite(value) ? "--" : `${Number(value).toFixed(2)}%` }
+function parseArray(value, fallback) { if (Array.isArray(value) && value.length) return value; if (!value) return fallback; try { const parsed = JSON.parse(value); return Array.isArray(parsed) && parsed.length ? parsed.map((item) => String(item?.name ?? item).trim()).filter(Boolean) : fallback } catch (_) { const items = String(value).split(/[，,|]/).map((item) => item.trim()).filter(Boolean); return items.length ? items : fallback } }
+async function loadTaskConfig() { try { taskConfig.value = (await getTrainingTaskByKey(TASK_KEY))?.data || null } catch (_) { taskConfig.value = null } }
+async function loadSavedAnswer() { try { const saved = await getStudentTrainingAnswer(TASK_KEY)?.data; if (!saved) return; if (saved.step1Answer) { const parsed = JSON.parse(saved.step1Answer); form.value = mergeForm(parsed?.form || parsed); completed.value = true } if (saved.step2Answer) { const parsed = JSON.parse(saved.step2Answer); stepTwo.value = { ...createStepTwo(), ...(parsed?.stepTwo || parsed || {}), priorities: Array.isArray(parsed?.stepTwo?.priorities || parsed?.priorities) ? (parsed?.stepTwo?.priorities || parsed?.priorities) : [] }; stepTwoCompleted.value = true } if (saved.step3Answer) { const parsed = JSON.parse(saved.step3Answer); report.value = { ...createReport(), ...(parsed?.report || parsed || {}) }; stepThreeCompleted.value = Boolean(report.value.url) } if (Number(saved.currentStep) > 0) currentStep.value = Number(saved.currentStep) } catch (_) { /* keep a new answer editable */ } }
+function mergeForm(value) { const fallback = createForm(); const merged = { ...fallback, ...(value || {}), projectOverview: { ...fallback.projectOverview, ...(value?.projectOverview || {}) }, marketAnalysis: { ...fallback.marketAnalysis, ...(value?.marketAnalysis || {}) }, targetUsers: Array.isArray(value?.targetUsers) && value.targetUsers.length === 3 ? value.targetUsers : fallback.targetUsers, businessModels: Array.isArray(value?.businessModels) && value.businessModels.length === 2 ? value.businessModels : fallback.businessModels, costs: fallback.costs.map((cost) => ({ ...cost, ...(value?.costs || []).find((item) => item?.id === cost.id) })), risks: fallback.risks.map((risk) => ({ ...risk, ...(value?.risks || []).find((item) => item?.type === risk.type) })) }; return merged }
+function payload() { return { ...form.value, costs: form.value.costs.map(({ id, amount }) => ({ id, amount: amount === "" ? null : Number(amount) })), targetPrice: form.value.targetPrice === "" ? null : Number(form.value.targetPrice) } }
+async function validateAndContinue() { if (saving.value) return; saving.value = true; try { const result = await checkBusinessFeasibilityStepOne(payload()); const calculated = result?.data || {}; form.value.costs = form.value.costs.map((cost) => ({ ...cost, amount: cost.amount === "" ? "" : Number(cost.amount) })); await saveStudentTrainingAnswer(TASK_KEY, { step1Answer: JSON.stringify({ form: form.value, calculations: { unitTotalCost: calculated.unitTotalCost ?? totalCost.value, unitGrossProfit: calculated.unitGrossProfit ?? unitGrossProfit.value, grossMargin: calculated.grossMargin ?? grossMargin.value } }), currentStep: 2, submitted: false, saveAction: "SAVE" }); completed.value = true; currentStep.value = 2; proxy?.$modal?.msgSuccess("已完成校验并保存，已进入第 2 步") } catch (error) { proxy?.$modal?.msgError?.(error?.message || "请完整填写本步骤内容后再提交") } finally { saving.value = false } }
+function resetForm() { form.value = createForm(); completed.value = false; proxy?.$modal?.msgSuccess("已清空第 1 步填写内容") }
+async function saveStepTwo() { if (saving.value) return; saving.value = true; try { await checkBusinessFeasibilityStepTwo({ ...stepTwo.value }); await saveStudentTrainingAnswer(TASK_KEY, { step2Answer: JSON.stringify({ stepTwo: stepTwo.value }), currentStep: 3, submitted: false, saveAction: "SAVE" }); stepTwoCompleted.value = true; currentStep.value = 3; proxy?.$modal?.msgSuccess("已完成校验并保存，已进入第 3 步") } catch (error) { proxy?.$modal?.msgError?.(error?.message || "请选择总体评估，并按要求填写优先问题") } finally { saving.value = false } }
+function resetStepTwo() { stepTwo.value = createStepTwo(); stepTwoCompleted.value = false; proxy?.$modal?.msgSuccess("已清空第 2 步填写内容") }
+function handleDecisionChange() { if (stepTwo.value.decision === "not-feasible") stepTwo.value.priorities = [] }
+function openReportPicker() { reportInput.value?.click() }
+async function handleReportUpload(event) { const file = event?.target?.files?.[0]; if (event?.target) event.target.value = ""; if (!file) return; const extension = file.name.split(".").pop()?.toLowerCase(); if (!["pdf", "doc", "docx", "png", "jpg", "jpeg"].includes(extension)) { proxy?.$modal?.msgError("仅支持 PDF、Word、PNG、JPG 格式的报告附件"); return } if (file.size > 20 * 1024 * 1024) { proxy?.$modal?.msgError("报告附件不能超过 20MB"); return } uploading.value = true; try { const data = new FormData(); data.append("file", file); const response = await uploadStudentTrainingFile(data); const url = response?.url || response?.data?.url || ""; if (!url) throw new Error("上传未返回文件地址，请重新选择报告附件"); report.value = { url, name: file.name, size: file.size }; proxy?.$modal?.msgSuccess("报告附件上传成功，可点击预览核对") } catch (error) { proxy?.$modal?.msgError?.(error?.message || "报告附件上传失败，请重试") } finally { uploading.value = false } }
+function resolveReportKind(file) { const name = `${file?.name || ""} ${file?.url || ""}`.toLowerCase(); if (/\.(png|jpe?g)(?:\?|$)/.test(name)) return "image"; if (/\.pdf(?:\?|$)/.test(name)) return "pdf"; return "word" }
+function readableSize(size) { const value = Number(size || 0); return value > 1024 * 1024 ? `${(value / 1024 / 1024).toFixed(1)} MB` : value > 1024 ? `${(value / 1024).toFixed(1)} KB` : "附件已上传" }
+function openReportPreview() { if (report.value.url) reportPreviewVisible.value = true }
+function downloadReport() { if (!report.value.url) return; const link = document.createElement("a"); link.href = report.value.url; link.target = "_blank"; link.rel = "noopener"; link.download = report.value.name || "可行性论证报告"; document.body.appendChild(link); link.click(); document.body.removeChild(link) }
+function clearReport() { report.value = createReport(); reportPreviewVisible.value = false; stepThreeCompleted.value = false }
+async function saveStepThree() { if (saving.value) return; saving.value = true; try { await checkBusinessFeasibilityStepThree({ reportUrl: report.value.url, reportName: report.value.name }); await saveStudentTrainingAnswer(TASK_KEY, { step3Answer: JSON.stringify({ report: report.value }), currentStep: 4, submitted: false, saveAction: "SAVE" }); stepThreeCompleted.value = true; currentStep.value = 4; proxy?.$modal?.msgSuccess("报告已保存，已进入第 4 步") } catch (error) { proxy?.$modal?.msgError?.(error?.message || "请先上传可行性论证报告") } finally { saving.value = false } }
+function switchStep(step) { if (step > 1 && !completed.value) { proxy?.$modal?.msgWarning("请先完成并保存第 1 步"); return } if (step > 2 && !stepTwoCompleted.value) { proxy?.$modal?.msgWarning("请先完成并保存第 2 步"); return } if (step > 3 && !stepThreeCompleted.value) { proxy?.$modal?.msgWarning("请先上传并保存第 3 步报告"); return } currentStep.value = step }
+function exportOutcome() { const blob = new Blob([JSON.stringify({ task: taskTitle.value, step: 1, ...payload(), calculations: { unitTotalCost: totalCost.value, unitGrossProfit: unitGrossProfit.value, grossMargin: grossMargin.value } }, null, 2)], { type: "application/json;charset=utf-8" }); const link = document.createElement("a"); link.href = URL.createObjectURL(blob); link.download = "商业可行性论证-第1步.json"; link.click(); URL.revokeObjectURL(link.href) }
 </script>
 
 <style lang="scss" scoped>
 /* 页面级令牌（墨黑极简主题） */
 .feasibility-page {
-  --student-accent: #1f2937;
-  --student-accent-deep: #111827;
-  --student-accent-light: #4b5563;
-  --student-accent-soft: #f3f4f6;
-  --student-text: #1f2937;
-  --student-text-secondary: #6b7280;
-  --student-panel-border: #e5e7eb;
-  --student-panel-bg: #fafbfc;
-  --student-card-bg: #ffffff;
-  --student-danger: #d9554c;
-  --student-success: #4a9d6e;
-  min-width: 0;
-  color: var(--student-text);
-  background: #ffffff;
-  line-height: 1.55;
+    --student-accent: #1f2937;
+    --student-accent-deep: #111827;
+    --student-accent-light: #4b5563;
+    --student-accent-soft: #f3f4f6;
+    --student-text: #1f2937;
+    --student-text-secondary: #6b7280;
+    --student-panel-border: #e5e7eb;
+    --student-panel-bg: #fafbfc;
+    --student-card-bg: #ffffff;
+    --student-danger: #d9554c;
+    --student-success: #4a9d6e;
+    min-width: 0;
+    color: var(--student-text);
+    background: #ffffff;
+    line-height: 1.55;
 }
 
 .feasibility-core {
-  min-width: 0;
-  display: grid;
-  gap: 10px;
+    min-width: 0;
+    display: grid;
+    gap: 10px;
 }
 
 /* task-header 独立卡片 */
 .task-header {
-  display: flex;
-  align-items: flex-start;
-  justify-content: space-between;
-  gap: 12px;
-  margin: 0;
-  padding: 16px;
-  border: 1px solid #e7e9ed;
-  border-radius: 16px;
-  background: #ffffff;
+    display: flex;
+    align-items: flex-start;
+    justify-content: space-between;
+    gap: 12px;
+    margin: 0;
+    padding: 16px;
+    border: 1px solid #e7e9ed;
+    border-radius: 16px;
+    background: #ffffff;
 }
 
 .task-head-main {
-  display: grid;
-  justify-items: start;
-  gap: 8px;
-  min-width: 0;
+    display: grid;
+    justify-items: start;
+    gap: 8px;
+    min-width: 0;
 }
 
 .task-badge {
-  display: inline-flex;
-  align-items: center;
-  padding: 4px 12px;
-  border: 1px solid var(--student-panel-border);
-  border-radius: 999px;
-  color: var(--student-accent-deep);
-  background: var(--student-accent-soft);
-  font-size: 12px;
-  font-weight: 700;
-  letter-spacing: 0;
+    display: inline-flex;
+    align-items: center;
+    padding: 4px 12px;
+    border: 1px solid var(--student-panel-border);
+    border-radius: 999px;
+    color: var(--student-accent-deep);
+    background: var(--student-accent-soft);
+    font-size: 12px;
+    font-weight: 700;
+    letter-spacing: 0;
 }
 
 .task-title {
-  margin: 0;
-  color: var(--student-text);
-  font-size: 17px;
-  font-weight: 700;
-  line-height: 1.35;
+    margin: 0;
+    color: var(--student-text);
+    font-size: 17px;
+    font-weight: 700;
+    line-height: 1.35;
 }
 
 .task-brief {
-  margin: 0;
-  color: var(--student-text-secondary);
-  font-size: 12px;
-  line-height: 1.6;
+    margin: 0;
+    color: var(--student-text-secondary);
+    font-size: 12px;
+    line-height: 1.6;
 }
 
 .task-brief-text {
-  display: -webkit-box;
-  overflow: hidden;
-  -webkit-box-orient: vertical;
-  -webkit-line-clamp: 1;
+    display: -webkit-box;
+    overflow: hidden;
+    -webkit-box-orient: vertical;
+    -webkit-line-clamp: 1;
 }
 
 .task-brief-toggle {
-  padding: 0;
-  border: 0;
-  color: var(--student-accent-deep);
-  background: transparent;
-  font: inherit;
-  font-weight: 700;
-  cursor: pointer;
+    padding: 0;
+    border: 0;
+    color: var(--student-accent-deep);
+    background: transparent;
+    font: inherit;
+    font-weight: 700;
+    cursor: pointer;
 
-  &:hover {
-    text-decoration: underline;
-  }
+    &:hover {
+        text-decoration: underline;
+    }
 }
 
 .task-brief-more {
-  display: grid;
-  gap: 6px;
-  margin-top: 8px;
+    display: grid;
+    gap: 6px;
+    margin-top: 8px;
 
-  b {
-    color: var(--student-text);
-  }
+    b {
+        color: var(--student-text);
+    }
 
-  ul {
-    display: grid;
-    gap: 4px;
-    margin: 0;
-    padding-left: 18px;
-  }
+    ul {
+        display: grid;
+        gap: 4px;
+        margin: 0;
+        padding-left: 18px;
+    }
 
-  p {
-    margin: 0;
-  }
+    p {
+        margin: 0;
+    }
 }
 
 /* workbench：扁平化容器 */
 .workbench {
-  margin-top: 0;
-  padding: 0;
-  border: 0;
-  border-radius: 0;
-  background: transparent;
-  display: grid;
-  gap: 12px;
+    margin-top: 0;
+    padding: 0;
+    border: 0;
+    border-radius: 0;
+    background: transparent;
+    display: grid;
+    gap: 12px;
 }
 
 .workbench-actions {
-  display: flex;
-  flex: 0 0 auto;
-  justify-content: flex-end;
-  gap: 8px;
+    display: flex;
+    flex: 0 0 auto;
+    justify-content: flex-end;
+    gap: 8px;
 }
 
 /* action-button 基础样式（次按钮：白底描边） */
 .action-button {
-  display: inline-flex;
-  align-items: center;
-  justify-content: center;
-  gap: 6px;
-  min-height: 36px;
-  padding: 0 14px;
-  border: 1px solid #d1d5db;
-  border-radius: 8px;
-  color: #374151;
-  background: #ffffff;
-  font: inherit;
-  font-size: 13px;
-  font-weight: 600;
-  cursor: pointer;
-  transition: transform 0.16s ease, border-color 0.16s ease, background 0.16s ease, box-shadow 0.16s ease;
-
-  &:hover:not(:disabled) {
-    transform: translateY(-1px);
-    border-color: var(--student-accent);
-    color: var(--student-accent);
-    background: #f9fafb;
-    box-shadow: 0 2px 6px rgba(17, 24, 39, 0.1);
-  }
-
-  &.primary {
-    border-color: var(--student-accent);
-    color: #ffffff;
-    background: var(--student-accent);
-    font-weight: 700;
-    box-shadow: 0 2px 8px rgba(17, 24, 39, 0.22);
+    display: inline-flex;
+    align-items: center;
+    justify-content: center;
+    gap: 6px;
+    min-height: 36px;
+    padding: 0 14px;
+    border: 1px solid #d1d5db;
+    border-radius: 8px;
+    color: #374151;
+    background: #ffffff;
+    font: inherit;
+    font-size: 13px;
+    font-weight: 600;
+    cursor: pointer;
+    transition: transform 0.16s ease, border-color 0.16s ease, background 0.16s ease, box-shadow 0.16s ease;
 
     &:hover:not(:disabled) {
-      transform: translateY(-1px);
-      border-color: var(--student-accent-deep);
-      background: var(--student-accent-deep);
-      color: #ffffff;
-      box-shadow: 0 4px 12px rgba(17, 24, 39, 0.3);
+        transform: translateY(-1px);
+        border-color: var(--student-accent);
+        color: var(--student-accent);
+        background: #f9fafb;
+        box-shadow: 0 2px 6px rgba(17, 24, 39, 0.1);
     }
-  }
 
-  &:disabled {
-    cursor: not-allowed;
-    opacity: 0.5;
-    transform: none;
-  }
+    &.primary {
+        border-color: var(--student-accent);
+        color: #ffffff;
+        background: var(--student-accent);
+        font-weight: 700;
+        box-shadow: 0 2px 8px rgba(17, 24, 39, 0.22);
+
+        &:hover:not(:disabled) {
+            transform: translateY(-1px);
+            border-color: var(--student-accent-deep);
+            background: var(--student-accent-deep);
+            color: #ffffff;
+            box-shadow: 0 4px 12px rgba(17, 24, 39, 0.3);
+        }
+    }
+
+    &:disabled {
+        cursor: not-allowed;
+        opacity: 0.5;
+        transform: none;
+    }
 }
 
 /* step-card：独立卡片 */
 .step-card {
-  padding: 16px;
-  border: 1px solid var(--student-panel-border);
-  border-radius: 16px;
-  background: var(--student-card-bg);
+    padding: 16px;
+    border: 1px solid var(--student-panel-border);
+    border-radius: 16px;
+    background: var(--student-card-bg);
 }
 
 .step-heading {
-  display: flex;
-  align-items: flex-start;
-  justify-content: space-between;
-  gap: 14px;
+    display: flex;
+    align-items: flex-start;
+    justify-content: space-between;
+    gap: 14px;
 }
 
 .section-eyebrow {
-  margin: 0 0 2px;
-  color: var(--student-text-secondary);
-  font-size: 11px;
-  font-weight: 800;
-  letter-spacing: 0.12em;
+    margin: 0 0 2px;
+    color: var(--student-text-secondary);
+    font-size: 11px;
+    font-weight: 800;
+    letter-spacing: 0.12em;
 }
 
 .step-heading h2 {
-  margin: 0;
-  color: var(--student-text);
-  font-size: 15px;
-  font-weight: 700;
+    margin: 0;
+    color: var(--student-text);
+    font-size: 15px;
+    font-weight: 700;
 }
 
 .step-heading em {
-  padding: 4px 10px;
-  border: 1px solid #d6dae0;
-  border-radius: 999px;
-  color: var(--student-accent-light);
-  background: var(--student-accent-soft);
-  font-size: 11px;
-  font-style: normal;
-  font-weight: 700;
-  white-space: nowrap;
+    padding: 4px 10px;
+    border: 1px solid #d6dae0;
+    border-radius: 999px;
+    color: var(--student-accent-light);
+    background: var(--student-accent-soft);
+    font-size: 11px;
+    font-style: normal;
+    font-weight: 700;
+    white-space: nowrap;
 }
 
 .intro {
-  margin: 10px 0 0;
-  color: #374151;
-  font-size: 13px;
-  line-height: 1.6;
+    margin: 10px 0 0;
+    color: #374151;
+    font-size: 13px;
+    line-height: 1.6;
 }
 
 .form-section {
-  margin-top: 24px;
+    margin-top: 24px;
 }
 
 .section-title {
-  display: flex;
-  align-items: center;
-  gap: 10px;
-  margin-bottom: 12px;
-}
-
-.section-title > span {
-  display: grid;
-  width: 26px;
-  height: 26px;
-  place-items: center;
-  border: 0;
-  border-radius: 6px;
-  color: #ffffff;
-  background: var(--student-accent);
-  font-size: 11px;
-  font-weight: 900;
-  flex-shrink: 0;
+    display: flex;
+    align-items: center;
+    gap: 10px;
+    margin-bottom: 12px;
+}
+
+.section-title>span {
+    display: grid;
+    width: 26px;
+    height: 26px;
+    place-items: center;
+    border: 0;
+    border-radius: 6px;
+    color: #ffffff;
+    background: var(--student-accent);
+    font-size: 11px;
+    font-weight: 900;
+    flex-shrink: 0;
 }
 
 .section-title h3 {
-  margin: 0;
-  color: var(--student-text);
-  font-size: 14px;
-  font-weight: 700;
+    margin: 0;
+    color: var(--student-text);
+    font-size: 14px;
+    font-weight: 700;
 }
 
 .section-title p {
-  margin: 2px 0 0;
-  color: var(--student-text-secondary);
-  font-size: 12px;
-  line-height: 1.55;
+    margin: 2px 0 0;
+    color: var(--student-text-secondary);
+    font-size: 12px;
+    line-height: 1.55;
 }
 
 /* form-table：扁平化表格 */
 .form-table {
-  display: grid;
-  border: 1px solid var(--student-panel-border);
-  border-radius: 12px;
-  overflow: hidden;
-  background: #ffffff;
+    display: grid;
+    border: 1px solid var(--student-panel-border);
+    border-radius: 12px;
+    overflow: hidden;
+    background: #ffffff;
 }
 
 .form-table label {
-  display: grid;
-  grid-template-columns: 180px 1fr;
-  border-bottom: 1px solid var(--student-panel-border);
+    display: grid;
+    grid-template-columns: 180px 1fr;
+    border-bottom: 1px solid var(--student-panel-border);
 }
 
-.form-table label:last-child { border-bottom: 0; }
+.form-table label:last-child {
+    border-bottom: 0;
+}
 
-.form-table label > span {
-  display: flex;
-  align-items: center;
-  justify-content: flex-start;
-  padding: 10px 12px;
-  color: var(--student-text);
-  background: var(--student-panel-bg);
-  font-weight: 700;
-  font-size: 13px;
+.form-table label>span {
+    display: flex;
+    align-items: center;
+    justify-content: flex-start;
+    padding: 10px 12px;
+    color: var(--student-text);
+    background: var(--student-panel-bg);
+    font-weight: 700;
+    font-size: 13px;
 }
 
-.form-table label :deep(.el-textarea),
-.form-table label :deep(.el-input-number),
-.form-table label :deep(.el-input) {
-  margin: 8px 10px;
-  max-width: calc(100% - 20px);
+.market-table {
+    grid-template-columns: repeat(2, minmax(0, 1fr));
 }
 
-.market-table { grid-template-columns: repeat(2, minmax(0, 1fr)); }
-.market-table label { border-right: 1px solid var(--student-panel-border); }
-.market-table label:nth-child(2n) { border-right: 0; }
-.market-table label:last-child { border-bottom: 0; }
+.market-table label {
+    border-right: 1px solid var(--student-panel-border);
+}
+
+.market-table label:nth-child(2n) {
+    border-right: 0;
+}
+
+.market-table label:last-child {
+    border-bottom: 0;
+}
 
 .input-with-suffix {
-  display: flex;
-  align-items: center;
-  gap: 8px;
+    display: flex;
+    align-items: center;
+    gap: 8px;
 }
 
 .input-with-suffix b {
-  color: var(--student-text-secondary);
-  font-size: 12px;
-  white-space: nowrap;
-  font-weight: 700;
+    color: var(--student-text-secondary);
+    font-size: 12px;
+    white-space: nowrap;
+    font-weight: 700;
 }
 
 /* table-wrap + Element Plus table 内的表单组件 */
 .table-wrap {
-  overflow-x: auto;
-  border: 1px solid var(--student-panel-border);
-  border-radius: 12px;
-  background: #ffffff;
+    overflow-x: auto;
+    border: 1px solid var(--student-panel-border);
+    border-radius: 12px;
+    background: #ffffff;
 }
 
 table {
-  width: 100%;
-  min-width: 780px;
-  border-collapse: collapse;
+    width: 100%;
+    min-width: 780px;
+    border-collapse: collapse;
 }
 
 th {
-  color: var(--student-text);
-  font-size: 13px;
-  font-weight: 800;
-  background: var(--student-panel-bg);
-  text-align: center;
+    color: var(--student-text);
+    font-size: 13px;
+    font-weight: 800;
+    background: var(--student-panel-bg);
+    text-align: center;
 }
 
-th, td {
-  border: 1px solid var(--student-panel-border);
-  padding: 8px 10px;
-  vertical-align: middle;
+th,
+td {
+    border: 1px solid var(--student-panel-border);
+    padding: 8px 10px;
+    vertical-align: middle;
 }
 
-tr:last-child td { border-bottom: 0; }
-th:last-child, td:last-child { border-right: 0; }
+tr:last-child td {
+    border-bottom: 0;
+}
+
+th:last-child,
+td:last-child {
+    border-right: 0;
+}
 
 /* Element Plus 组件在表格中的紧凑样式 */
 .table-wrap td :deep(.el-textarea),
 .table-wrap td :deep(.el-input),
 .table-wrap td :deep(.el-select) {
-  max-width: 100%;
+    max-width: 100%;
 }
 
 .table-wrap td :deep(.el-textarea__inner) {
-  min-height: 60px !important;
-  padding: 6px 10px;
-  font-size: 13px;
-  line-height: 1.55;
+    min-height: 60px !important;
+    padding: 6px 10px;
+    font-size: 13px;
+    line-height: 1.55;
 }
 
 .table-wrap td :deep(.el-input__wrapper),
 .table-wrap td :deep(.el-textarea__inner),
 .table-wrap td :deep(.el-select__wrapper) {
-  border-color: #d1d5db !important;
-  border-radius: 8px;
-  background: #ffffff;
-  box-shadow: none !important;
+    border-color: #d1d5db !important;
+    border-radius: 8px;
+    background: #ffffff;
+    box-shadow: none !important;
 
-  &:hover {
-    border-color: var(--student-accent-light) !important;
-  }
+    &:hover {
+        border-color: var(--student-accent-light) !important;
+    }
 }
 
 .table-wrap td :deep(.el-input__wrapper.is-focus),
 .table-wrap td :deep(.el-textarea__inner:focus),
 .table-wrap td :deep(.el-select__wrapper.is-focused) {
-  border-color: var(--student-accent) !important;
-  box-shadow: 0 0 0 2px rgba(31, 41, 55, 0.08) !important;
+    border-color: var(--student-accent) !important;
+    box-shadow: 0 0 0 2px rgba(31, 41, 55, 0.08) !important;
 }
 
 .table-wrap td :deep(.el-input-number) {
-  width: 100%;
+    width: 100%;
 }
 
 .table-wrap td :deep(.el-input-number .el-input__wrapper) {
-  padding: 0 8px;
+    padding: 0 8px;
 }
 
 .fixed-cell {
-  color: var(--student-text);
-  background: var(--student-panel-bg);
-  text-align: center;
-  font-weight: 700;
-  font-size: 13px;
+    color: var(--student-text);
+    background: var(--student-panel-bg);
+    text-align: center;
+    font-weight: 700;
+    font-size: 13px;
 }
 
 .computed-value {
-  display: inline-block;
-  color: var(--student-text);
-  font-weight: 700;
-  font-variant-numeric: tabular-nums;
+    display: inline-block;
+    color: var(--student-text);
+    font-weight: 700;
+    font-variant-numeric: tabular-nums;
 }
 
 .total-row td {
-  color: var(--student-accent);
-  background: var(--student-accent-soft);
-  font-weight: 800;
-  font-size: 13px;
+    color: var(--student-accent);
+    background: var(--student-accent-soft);
+    font-weight: 800;
+    font-size: 13px;
 }
 
 .step-actions {
-  display: flex;
-  justify-content: center;
-  gap: 10px;
-  margin-top: 24px;
+    display: flex;
+    justify-content: center;
+    gap: 10px;
+    margin-top: 24px;
 }
 
 /* placeholder */
 .placeholder {
-  display: grid;
-  min-height: 240px;
-  place-content: center;
-  justify-items: center;
-  gap: 14px;
-  color: var(--student-text-secondary);
-  text-align: center;
+    display: grid;
+    min-height: 240px;
+    place-content: center;
+    justify-items: center;
+    gap: 14px;
+    color: var(--student-text-secondary);
+    text-align: center;
 }
 
 .placeholder p {
-  font-size: 15px;
-  font-weight: 700;
-  color: var(--student-text);
+    font-size: 15px;
+    font-weight: 700;
+    color: var(--student-text);
 }
 
 /* ===== Step 2 决策区 ===== */
 .decision-section {
-  margin-top: 24px;
-  padding: 12px;
-  border: 1px solid var(--student-panel-border);
-  border-radius: 14px;
-  background: var(--student-panel-bg);
+    margin-top: 24px;
+    padding: 12px;
+    border: 1px solid var(--student-panel-border);
+    border-radius: 14px;
+    background: var(--student-panel-bg);
 }
 
 .decision-section h3 {
-  display: flex;
-  align-items: center;
-  gap: 8px;
-  margin: 0;
-  color: var(--student-text);
-  font-size: 14px;
-  font-weight: 700;
-}
-
-.decision-section h3 > span {
-  display: grid;
-  width: 22px;
-  height: 22px;
-  place-items: center;
-  border: 0;
-  border-radius: 6px;
-  color: #ffffff;
-  background: var(--student-accent);
-  font-size: 10px;
-  font-weight: 900;
-  flex-shrink: 0;
+    display: flex;
+    align-items: center;
+    gap: 8px;
+    margin: 0;
+    color: var(--student-text);
+    font-size: 14px;
+    font-weight: 700;
+}
+
+.decision-section h3>span {
+    display: grid;
+    width: 22px;
+    height: 22px;
+    place-items: center;
+    border: 0;
+    border-radius: 6px;
+    color: #ffffff;
+    background: var(--student-accent);
+    font-size: 10px;
+    font-weight: 900;
+    flex-shrink: 0;
 }
 
 /* decision-grid 使用 Element Plus el-radio-group */
 .decision-grid {
-  display: grid;
-  grid-template-columns: repeat(2, minmax(0, 1fr));
-  gap: 10px;
-  margin-top: 12px;
+    display: grid;
+    grid-template-columns: repeat(2, minmax(0, 1fr));
+    gap: 10px;
+    margin-top: 12px;
 }
 
 :deep(.decision-option.el-radio) {
-  display: grid;
-  grid-template-columns: auto 1fr;
-  gap: 8px;
-  align-items: start;
-  padding: 12px;
-  border: 1px solid var(--student-panel-border);
-  border-radius: 10px;
-  color: #374151;
-  background: #ffffff;
-  transition: border-color 0.16s ease, background 0.16s ease, transform 0.16s ease;
-  margin-right: 0;
-  height: auto;
-
-  strong {
-    color: var(--student-text);
-    font-size: 13px;
-    font-weight: 700;
-  }
+    display: grid;
+    grid-template-columns: auto 1fr;
+    gap: 8px;
+    align-items: start;
+    padding: 12px;
+    border: 1px solid var(--student-panel-border);
+    border-radius: 10px;
+    color: #374151;
+    background: #ffffff;
+    transition: border-color 0.16s ease, background 0.16s ease, transform 0.16s ease;
+    margin-right: 0;
+    height: auto;
+
+    strong {
+        color: var(--student-text);
+        font-size: 13px;
+        font-weight: 700;
+    }
 
-  small {
-    display: block;
-    margin-top: 3px;
-    color: var(--student-text-secondary);
-    font-size: 11px;
-    line-height: 1.5;
-  }
+    small {
+        display: block;
+        margin-top: 3px;
+        color: var(--student-text-secondary);
+        font-size: 11px;
+        line-height: 1.5;
+    }
 
-  &:hover {
-    border-color: var(--student-accent-light);
-    transform: translateY(-1px);
-  }
+    &:hover {
+        border-color: var(--student-accent-light);
+        transform: translateY(-1px);
+    }
 }
 
 /* 墨黑单选圆点 */
 :deep(.decision-option.el-radio .el-radio__input .el-radio__inner) {
-  border-color: #9ca3af;
+    border-color: #9ca3af;
 }
 
 :deep(.decision-option.el-radio .el-radio__input.is-checked .el-radio__inner) {
-  border-color: var(--student-accent);
-  background: var(--student-accent);
+    border-color: var(--student-accent);
+    background: var(--student-accent);
 }
 
 :deep(.decision-option.el-radio .el-radio__input.is-checked .el-radio__inner::after) {
-  background: #ffffff;
+    background: #ffffff;
 }
 
 :deep(.decision-option.el-radio.is-checked) {
-  border-color: var(--student-accent);
-  background: var(--student-accent-soft);
+    border-color: var(--student-accent);
+    background: var(--student-accent-soft);
 }
 
 :deep(.decision-option.el-radio.is-checked .el-radio__label) {
-  color: var(--student-accent);
+    color: var(--student-accent);
 }
 
 /* priority-grid */
 .priority-grid {
-  display: grid;
-  grid-template-columns: repeat(2, minmax(0, 1fr));
-  gap: 10px;
-  margin-top: 12px;
+    display: grid;
+    grid-template-columns: repeat(2, minmax(0, 1fr));
+    gap: 10px;
+    margin-top: 12px;
 }
 
 :deep(.priority-option.el-checkbox) {
-  display: grid;
-  grid-template-columns: auto 1fr;
-  gap: 8px;
-  align-items: start;
-  padding: 10px 12px;
-  border: 1px solid var(--student-panel-border);
-  border-radius: 10px;
-  color: #374151;
-  background: #ffffff;
-  transition: border-color 0.16s ease, background 0.16s ease, transform 0.16s ease;
-  margin-right: 0;
-  height: auto;
-
-  strong {
-    display: block;
-    color: var(--student-text);
-    font-size: 13px;
-    font-weight: 700;
-  }
+    display: grid;
+    grid-template-columns: auto 1fr;
+    gap: 8px;
+    align-items: start;
+    padding: 10px 12px;
+    border: 1px solid var(--student-panel-border);
+    border-radius: 10px;
+    color: #374151;
+    background: #ffffff;
+    transition: border-color 0.16s ease, background 0.16s ease, transform 0.16s ease;
+    margin-right: 0;
+    height: auto;
+
+    strong {
+        display: block;
+        color: var(--student-text);
+        font-size: 13px;
+        font-weight: 700;
+    }
 
-  small {
-    display: block;
-    margin-top: 3px;
-    color: var(--student-text-secondary);
-    font-size: 11px;
-    line-height: 1.5;
-  }
+    small {
+        display: block;
+        margin-top: 3px;
+        color: var(--student-text-secondary);
+        font-size: 11px;
+        line-height: 1.5;
+    }
 
-  &:hover:not(.is-disabled) {
-    border-color: var(--student-accent-light);
-    transform: translateY(-1px);
-  }
+    &:hover:not(.is-disabled) {
+        border-color: var(--student-accent-light);
+        transform: translateY(-1px);
+    }
 
-  &.is-disabled {
-    opacity: 0.45;
-    cursor: not-allowed;
-  }
+    &.is-disabled {
+        opacity: 0.45;
+        cursor: not-allowed;
+    }
 }
 
 /* 墨黑复选框 */
 :deep(.priority-option.el-checkbox .el-checkbox__inner) {
-  border-color: #9ca3af;
-  background: #ffffff;
+    border-color: #9ca3af;
+    background: #ffffff;
 }
 
 :deep(.priority-option.el-checkbox.is-checked .el-checkbox__inner) {
-  border-color: var(--student-accent);
-  background: var(--student-accent);
+    border-color: var(--student-accent);
+    background: var(--student-accent);
 }
 
-.priority-section { transition: opacity 0.16s ease; }
-.priority-section.muted { opacity: 0.45; }
+.priority-section {
+    transition: opacity 0.16s ease;
+}
+
+.priority-section.muted {
+    opacity: 0.45;
+}
 
 .priority-heading {
-  display: flex;
-  align-items: center;
-  justify-content: space-between;
-  gap: 14px;
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    gap: 14px;
 }
 
 .priority-heading b {
-  min-width: 44px;
-  padding: 4px 8px;
-  border: 1px solid var(--student-panel-border);
-  border-radius: 999px;
-  color: var(--student-accent);
-  background: var(--student-accent-soft);
-  text-align: center;
-  font-size: 11px;
-  font-weight: 800;
+    min-width: 44px;
+    padding: 4px 8px;
+    border: 1px solid var(--student-panel-border);
+    border-radius: 999px;
+    color: var(--student-accent);
+    background: var(--student-accent-soft);
+    text-align: center;
+    font-size: 11px;
+    font-weight: 800;
 }
 
 .hint {
-  margin: 10px 0 0;
-  color: var(--student-text-secondary);
-  font-size: 12px;
-  line-height: 1.55;
+    margin: 10px 0 0;
+    color: var(--student-text-secondary);
+    font-size: 12px;
+    line-height: 1.55;
 }
 
 /* ===== Step 3 报告区 ===== */
 .report-guide {
-  margin-top: 16px;
-  padding: 12px 14px;
-  border-left: 3px solid var(--student-accent);
-  color: #374151;
-  background: var(--student-accent-soft);
-  line-height: 1.7;
-  font-size: 13px;
-  border-radius: 0 10px 10px 0;
+    margin-top: 16px;
+    padding: 12px 14px;
+    border-left: 3px solid var(--student-accent);
+    color: #374151;
+    background: var(--student-accent-soft);
+    line-height: 1.7;
+    font-size: 13px;
+    border-radius: 0 10px 10px 0;
 }
 
-.report-guide p, .report-guide ol { margin: 0; }
-.report-guide ol { margin-top: 6px; padding-left: 18px; }
-.report-guide li + li { margin-top: 3px; }
+.report-guide p,
+.report-guide ol {
+    margin: 0;
+}
+
+.report-guide ol {
+    margin-top: 6px;
+    padding-left: 18px;
+}
+
+.report-guide li+li {
+    margin-top: 3px;
+}
 
 .report-upload-panel {
-  display: grid;
-  min-height: 260px;
-  place-content: center;
-  justify-items: center;
-  gap: 10px;
-  margin-top: 20px;
-  padding: 30px;
-  border: 1px dashed #d1d5db;
-  border-radius: 14px;
-  background: var(--student-panel-bg);
-  text-align: center;
+    display: grid;
+    min-height: 260px;
+    place-content: center;
+    justify-items: center;
+    gap: 10px;
+    margin-top: 20px;
+    padding: 30px;
+    border: 1px dashed #d1d5db;
+    border-radius: 14px;
+    background: var(--student-panel-bg);
+    text-align: center;
 }
 
 .upload-orbit {
-  display: grid;
-  width: 56px;
-  height: 56px;
-  place-items: center;
-  border: 1px solid var(--student-panel-border);
-  border-radius: 16px;
-  color: var(--student-accent);
-  background: var(--student-accent-soft);
-  font-size: 26px;
+    display: grid;
+    width: 56px;
+    height: 56px;
+    place-items: center;
+    border: 1px solid var(--student-panel-border);
+    border-radius: 16px;
+    color: var(--student-accent);
+    background: var(--student-accent-soft);
+    font-size: 26px;
 }
 
 .report-upload-panel h3 {
-  margin: 4px 0 0;
-  color: var(--student-text);
-  font-size: 15px;
-  font-weight: 700;
+    margin: 4px 0 0;
+    color: var(--student-text);
+    font-size: 15px;
+    font-weight: 700;
 }
 
-.report-upload-panel > p {
-  margin: 0;
-  color: var(--student-text-secondary);
-  font-size: 12px;
+.report-upload-panel>p {
+    margin: 0;
+    color: var(--student-text-secondary);
+    font-size: 12px;
 }
 
 .report-file-card {
-  display: flex;
-  align-items: center;
-  width: min(720px, 100%);
-  gap: 12px;
-  padding: 14px;
-  border: 1px solid var(--student-panel-border);
-  border-radius: 12px;
-  background: #ffffff;
-  text-align: left;
+    display: flex;
+    align-items: center;
+    width: min(720px, 100%);
+    gap: 12px;
+    padding: 14px;
+    border: 1px solid var(--student-panel-border);
+    border-radius: 12px;
+    background: #ffffff;
+    text-align: left;
 }
 
 .report-file-icon {
-  display: grid;
-  flex: 0 0 40px;
-  width: 40px;
-  height: 40px;
-  place-items: center;
-  border-radius: 10px;
-  color: var(--student-accent);
-  background: var(--student-accent-soft);
-  font-size: 22px;
+    display: grid;
+    flex: 0 0 40px;
+    width: 40px;
+    height: 40px;
+    place-items: center;
+    border-radius: 10px;
+    color: var(--student-accent);
+    background: var(--student-accent-soft);
+    font-size: 22px;
 }
 
-.report-file-meta { min-width: 0; flex: 1; }
+.report-file-meta {
+    min-width: 0;
+    flex: 1;
+}
 
-.report-file-meta strong, .report-file-meta span {
-  display: block;
-  overflow: hidden;
-  text-overflow: ellipsis;
-  white-space: nowrap;
+.report-file-meta strong,
+.report-file-meta span {
+    display: block;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    white-space: nowrap;
 }
 
 .report-file-meta strong {
-  color: var(--student-text);
-  font-size: 13px;
-  font-weight: 700;
+    color: var(--student-text);
+    font-size: 13px;
+    font-weight: 700;
 }
 
 .report-file-meta span {
-  margin-top: 3px;
-  color: var(--student-text-secondary);
-  font-size: 11px;
-}
-
-.report-file-actions { display: flex; gap: 6px; flex-shrink: 0; }
-
-.report-file-actions button, .text-action {
-  display: inline-flex;
-  align-items: center;
-  gap: 4px;
-  border: 0;
-  color: var(--student-accent);
-  background: transparent;
-  font: inherit;
-  font-size: 12px;
-  font-weight: 600;
-  cursor: pointer;
-  padding: 4px 6px;
-  border-radius: 6px;
-  transition: background 0.16s ease;
-
-  &:hover {
-    background: var(--student-accent-soft);
-  }
+    margin-top: 3px;
+    color: var(--student-text-secondary);
+    font-size: 11px;
+}
 
-  &.danger {
-    color: var(--student-danger);
-    &:hover { background: rgba(217, 85, 76, 0.08); }
-  }
+.report-file-actions {
+    display: flex;
+    gap: 6px;
+    flex-shrink: 0;
+}
+
+.report-file-actions button,
+.text-action {
+    display: inline-flex;
+    align-items: center;
+    gap: 4px;
+    border: 0;
+    color: var(--student-accent);
+    background: transparent;
+    font: inherit;
+    font-size: 12px;
+    font-weight: 600;
+    cursor: pointer;
+    padding: 4px 6px;
+    border-radius: 6px;
+    transition: background 0.16s ease;
+
+    &:hover {
+        background: var(--student-accent-soft);
+    }
+
+    &.danger {
+        color: var(--student-danger);
+
+        &:hover {
+            background: rgba(217, 85, 76, 0.08);
+        }
+    }
 }
 
 .report-replace {
-  display: flex;
-  align-items: center;
-  gap: 10px;
-  color: var(--student-text-secondary);
-  font-size: 11px;
+    display: flex;
+    align-items: center;
+    gap: 10px;
+    color: var(--student-text-secondary);
+    font-size: 11px;
 }
 
-.text-action:disabled { cursor: not-allowed; opacity: 0.5; }
+.text-action:disabled {
+    cursor: not-allowed;
+    opacity: 0.5;
+}
 
 .visually-hidden {
-  position: absolute;
-  width: 1px;
-  height: 1px;
-  overflow: hidden;
-  clip: rect(0, 0, 0, 0);
-  white-space: nowrap;
+    position: absolute;
+    width: 1px;
+    height: 1px;
+    overflow: hidden;
+    clip: rect(0, 0, 0, 0);
+    white-space: nowrap;
 }
 
 .report-preview {
-  display: grid;
-  min-height: 64vh;
-  place-items: center;
-  background: #ffffff;
+    display: grid;
+    min-height: 64vh;
+    place-items: center;
+    background: #ffffff;
 }
 
 .report-preview .el-image {
-  width: 100%;
-  height: 64vh;
+    width: 100%;
+    height: 64vh;
 }
 
 .report-preview iframe {
-  width: 100%;
-  height: 64vh;
-  border: 0;
-  background: #ffffff;
+    width: 100%;
+    height: 64vh;
+    border: 0;
+    background: #ffffff;
 }
 
 /* 风险评估下拉框宽度 */
 .risk-impact-select {
-  width: 100%;
+    width: 100%;
 }
 
 /* ===== 响应式 ===== */
 @media (max-width: 1280px) {
-  .step-indicator { overflow-x: auto; }
-  .step-tab { min-width: 140px; }
-  .market-table { grid-template-columns: 1fr; }
-  .market-table label { border-right: 0; }
-}
+    .step-indicator {
+        overflow-x: auto;
+    }
 
-@media (max-width: 900px) {
-  .form-table label { grid-template-columns: 1fr; }
-  .form-table label > span { justify-content: flex-start; padding: 8px 12px; }
-  .decision-grid, .priority-grid { grid-template-columns: 1fr; }
-  .step-heading em { display: none; }
-  .step-actions { flex-wrap: wrap; }
-}
+    .step-tab {
+        min-width: 140px;
+    }
 
-@media (max-width: 720px) {
-  .workbench-actions { justify-content: flex-start; flex-wrap: wrap; }
-  .report-upload-panel { padding: 20px 14px; }
-  .report-file-card { align-items: flex-start; flex-wrap: wrap; }
-  .report-file-actions { width: 100%; justify-content: flex-end; }
-  .report-replace { flex-wrap: wrap; justify-content: center; }
+    .market-table {
+        grid-template-columns: 1fr;
+    }
+
+    .market-table label {
+        border-right: 0;
+    }
 }
-</style>
 
-<style lang="scss">
-/* ===== 步骤导航：按钮切换风（foundation 同款） ===== */
-#app .studentLayout section.app-main:has(.feasibility-page) .step-indicator {
-  display: flex !important;
-  flex-wrap: nowrap !important;
-  align-items: stretch !important;
-  justify-content: center !important;
-  gap: 10px !important;
-  width: 100% !important;
-  margin: 4px 0 20px !important;
-  padding: 0 !important;
-  border: none !important;
-  border-radius: 0 !important;
-  background: transparent !important;
-  box-shadow: none !important;
-
-  .step-tab {
-    flex: 0 0 auto !important;
-    min-width: auto !important;
-    max-width: none !important;
-    display: flex !important;
-    flex-direction: row !important;
-    align-items: center !important;
-    justify-content: center !important;
-    gap: 8px !important;
-    height: auto !important;
-    min-height: 42px !important;
-    margin: 0 !important;
-    padding: 8px 14px !important;
-    border: 1px solid #e5e7eb !important;
-    border-radius: 8px !important;
-    background: #ffffff !important;
-    box-shadow: none !important;
-    color: #6b7280 !important;
-    font-size: 13px !important;
-    font-weight: 600 !important;
-    line-height: 1.3 !important;
-    letter-spacing: 0 !important;
-    white-space: nowrap !important;
-    text-align: center !important;
-    cursor: pointer;
-    transition: background-color 0.16s ease, color 0.16s ease, border-color 0.16s ease !important;
-
-    .step-bar { display: none !important; }
-
-    .step-no {
-      position: static !important;
-      flex: 0 0 auto !important;
-      display: inline-flex !important;
-      align-items: center !important;
-      justify-content: center !important;
-      min-width: 22px !important;
-      height: 22px !important;
-      padding: 0 5px !important;
-      border-radius: 6px !important;
-      background: #f3f4f6 !important;
-      color: #6b7280 !important;
-      font-family: ui-monospace, "SF Mono", Consolas, monospace !important;
-      font-size: 12px !important;
-      font-weight: 700 !important;
-      line-height: 1 !important;
-      letter-spacing: 0 !important;
-      transition: background-color 0.16s ease, color 0.16s ease !important;
-
-      &::after { display: none !important; }
+@media (max-width: 900px) {
+    .form-table label {
+        grid-template-columns: 1fr;
+    }
+
+    .form-table label>span {
+        justify-content: flex-start;
+        padding: 8px 12px;
     }
 
-    .step-name { color: inherit !important; }
+    .decision-grid,
+    .priority-grid {
+        grid-template-columns: 1fr;
+    }
 
-    &:hover:not(.active):not(.complete) {
-      border-color: #1f2937 !important;
-      background: #f9fafb !important;
-      color: #1f2937 !important;
+    .step-heading em {
+        display: none;
+    }
 
-      .step-no { background: #1f2937 !important; color: #ffffff !important; }
+    .step-actions {
+        flex-wrap: wrap;
     }
+}
 
-    &.complete:not(.active) {
-      border-color: #dce9e2 !important;
-      color: #374151 !important;
+@media (max-width: 720px) {
+    .workbench-actions {
+        justify-content: flex-start;
+        flex-wrap: wrap;
+    }
 
-      .step-no { background: rgba(74, 157, 110, 0.12) !important; color: #3f8a5f !important; }
+    .report-upload-panel {
+        padding: 20px 14px;
+    }
 
-      &:hover {
-        border-color: #4a9d6e !important;
-        background: #f9fafb !important;
+    .report-file-card {
+        align-items: flex-start;
+        flex-wrap: wrap;
+    }
 
-        .step-no { background: #4a9d6e !important; color: #ffffff !important; }
-      }
+    .report-file-actions {
+        width: 100%;
+        justify-content: flex-end;
     }
 
-    &.active {
-      border-color: #1f2937 !important;
-      background: #1f2937 !important;
-      color: #ffffff !important;
-      font-weight: 700 !important;
+    .report-replace {
+        flex-wrap: wrap;
+        justify-content: center;
+    }
+}
+</style>
 
-      .step-no { background: #ffffff !important; color: #1f2937 !important; }
+<style lang="scss">
+/* ===== 步骤导航：按钮切换风（foundation 同款） ===== */
+#app .studentLayout section.app-main:has(.feasibility-page) .step-indicator {
+    display: flex !important;
+    flex-wrap: nowrap !important;
+    align-items: stretch !important;
+    justify-content: center !important;
+    gap: 10px !important;
+    width: 100% !important;
+    margin: 4px 0 20px !important;
+    padding: 0 !important;
+    border: none !important;
+    border-radius: 0 !important;
+    background: transparent !important;
+    box-shadow: none !important;
 
-      &:hover {
-        background: #111827 !important;
-        border-color: #111827 !important;
-      }
+    .step-tab {
+        flex: 0 0 auto !important;
+        min-width: auto !important;
+        max-width: none !important;
+        display: flex !important;
+        flex-direction: row !important;
+        align-items: center !important;
+        justify-content: center !important;
+        gap: 8px !important;
+        height: auto !important;
+        min-height: 42px !important;
+        margin: 0 !important;
+        padding: 8px 14px !important;
+        border: 1px solid #e5e7eb !important;
+        border-radius: 8px !important;
+        background: #ffffff !important;
+        box-shadow: none !important;
+        color: #6b7280 !important;
+        font-size: 13px !important;
+        font-weight: 600 !important;
+        line-height: 1.3 !important;
+        letter-spacing: 0 !important;
+        white-space: nowrap !important;
+        text-align: center !important;
+        cursor: pointer;
+        transition: background-color 0.16s ease, color 0.16s ease, border-color 0.16s ease !important;
+
+        .step-bar {
+            display: none !important;
+        }
+
+        .step-no {
+            position: static !important;
+            flex: 0 0 auto !important;
+            display: inline-flex !important;
+            align-items: center !important;
+            justify-content: center !important;
+            min-width: 22px !important;
+            height: 22px !important;
+            padding: 0 5px !important;
+            border-radius: 6px !important;
+            background: #f3f4f6 !important;
+            color: #6b7280 !important;
+            font-family: ui-monospace, "SF Mono", Consolas, monospace !important;
+            font-size: 12px !important;
+            font-weight: 700 !important;
+            line-height: 1 !important;
+            letter-spacing: 0 !important;
+            transition: background-color 0.16s ease, color 0.16s ease !important;
+
+            &::after {
+                display: none !important;
+            }
+        }
+
+        .step-name {
+            color: inherit !important;
+        }
+
+        &:hover:not(.active):not(.complete) {
+            border-color: #1f2937 !important;
+            background: #f9fafb !important;
+            color: #1f2937 !important;
+
+            .step-no {
+                background: #1f2937 !important;
+                color: #ffffff !important;
+            }
+        }
+
+        &.complete:not(.active) {
+            border-color: #dce9e2 !important;
+            color: #374151 !important;
+
+            .step-no {
+                background: rgba(74, 157, 110, 0.12) !important;
+                color: #3f8a5f !important;
+            }
+
+            &:hover {
+                border-color: #4a9d6e !important;
+                background: #f9fafb !important;
+
+                .step-no {
+                    background: #4a9d6e !important;
+                    color: #ffffff !important;
+                }
+            }
+        }
+
+        &.active {
+            border-color: #1f2937 !important;
+            background: #1f2937 !important;
+            color: #ffffff !important;
+            font-weight: 700 !important;
+
+            .step-no {
+                background: #ffffff !important;
+                color: #1f2937 !important;
+            }
+
+            &:hover {
+                background: #111827 !important;
+                border-color: #111827 !important;
+            }
+        }
     }
-  }
 }
 
 /* 窄屏：横向滑动 */
 @media (max-width: 900px) {
-  #app .studentLayout section.app-main:has(.feasibility-page) .step-indicator {
-    overflow-x: auto !important;
-    flex-wrap: nowrap !important;
-    justify-content: flex-start !important;
-  }
+    #app .studentLayout section.app-main:has(.feasibility-page) .step-indicator {
+        overflow-x: auto !important;
+        flex-wrap: nowrap !important;
+        justify-content: flex-start !important;
+    }
 
-  #app .studentLayout section.app-main:has(.feasibility-page) .step-indicator .step-tab {
-    flex: 0 0 auto !important;
-    max-width: none !important;
-  }
+    #app .studentLayout section.app-main:has(.feasibility-page) .step-indicator .step-tab {
+        flex: 0 0 auto !important;
+        max-width: none !important;
+    }
 }
 </style>
diff --git a/src/views/demand/consumer-behavior.vue b/src/views/demand/consumer-behavior.vue
index fc94052..fc02c8c 100644
--- a/src/views/demand/consumer-behavior.vue
+++ b/src/views/demand/consumer-behavior.vue
@@ -1,4 +1,4 @@
-<template>
+<template>
   <div class="consumer-behavior-page student-training-shell">
     <main class="training-core">
       <section class="task-header">
diff --git a/src/views/demand/people.vue b/src/views/demand/people.vue
index 282d2ac..737d7fc 100644
--- a/src/views/demand/people.vue
+++ b/src/views/demand/people.vue
@@ -1467,23 +1467,23 @@ function exportOutcome() {
   display: flex;
   gap: 8px;
   padding: 0 20px 14px;
-  border-bottom: 1px solid var(--student-panel-border);
+  border-bottom: 1px solid var(--student-panel-border, #e5e7eb);
 
   button {
     min-width: 52px;
     height: 30px;
-    border: 1px solid var(--student-panel-border);
+    border: 1px solid var(--student-panel-border, #e5e7eb);
     border-radius: 6px;
-    color: var(--student-text-secondary);
+    color: var(--student-text-secondary, #6b7280);
     background: #ffffff;
     cursor: pointer;
     font-weight: 700;
     font-size: 12px;
 
     &.active {
-      border-color: var(--student-accent);
+      border-color: #1f2937;
       color: #ffffff;
-      background: var(--student-accent);
+      background: #1f2937;
     }
   }
 }
@@ -1491,13 +1491,13 @@ function exportOutcome() {
 .interview-dialog-body--panel {
   max-height: 58vh;
   padding: 20px;
-  color: var(--student-text);
+  color: var(--student-text, #1f2937);
   font-size: 13px;
   line-height: 1.65;
 }
 
 .interview-line, .interview-title, .interview-qa p { margin: 0; }
-.interview-title { margin-top: 14px; color: var(--student-text); font-weight: 800; }
+.interview-title { margin-top: 14px; color: var(--student-text, #1f2937); font-weight: 800; }
 .interview-qa { margin-top: 10px; }
 
 /* 画像表格 */