diff --git a/apps/api/prisma/migrations/20260611062554_add_health_grade_sort_order/migration.sql b/apps/api/prisma/migrations/20260611062554_add_health_grade_sort_order/migration.sql
new file mode 100644
index 0000000..f0e6f20
--- /dev/null
+++ b/apps/api/prisma/migrations/20260611062554_add_health_grade_sort_order/migration.sql
@@ -0,0 +1,9 @@
+-- AlterTable
+ALTER TABLE "materials" ADD COLUMN     "healthGrade" TEXT,
+ADD COLUMN     "sortOrder" INTEGER NOT NULL DEFAULT 0;
+
+-- CreateIndex
+CREATE INDEX "materials_healthGrade_idx" ON "materials"("healthGrade");
+
+-- CreateIndex
+CREATE INDEX "materials_sortOrder_idx" ON "materials"("sortOrder");
diff --git a/apps/api/prisma/schema.prisma b/apps/api/prisma/schema.prisma
index 4b694c3..c317b08 100644
--- a/apps/api/prisma/schema.prisma
+++ b/apps/api/prisma/schema.prisma
@@ -33,8 +33,10 @@ model Material {
   brand        String? // 材料品牌
   manufacturer String? // 材料厂家
   spec         String? // 材料规格，如 2.7SE / 18mm
-  envGrade     String? // 环保等级 E0/E1/E2
+  envGrade     String? // 环保等级 E0/E1/E2（甲醛释放量分级）
+  healthGrade  String? // 健康等级 A/B/C（综合健康评级，独立于环保等级）
   usageUnit    String   @default("m²") // 用量单位
+  sortOrder    Int      @default(0) // 手动排序权重（越小越靠前，为厂商竞价排名预留）
 
   /// 污染物散发参数 Record<Pollutant, {y0,yp,b}>，对应 shared 的 EmissionParams
   emissionParams Json
@@ -51,7 +53,9 @@ model Material {
   @@index([category])
   @@index([brand])
   @@index([envGrade])
+  @@index([healthGrade])
   @@index([isPublic])
+  @@index([sortOrder])
   @@map("materials")
 }
 
diff --git a/apps/api/prisma/seed.ts b/apps/api/prisma/seed.ts
index e1683cb..6c085aa 100644
--- a/apps/api/prisma/seed.ts
+++ b/apps/api/prisma/seed.ts
@@ -37,10 +37,13 @@ async function main() {
   });
   console.log('组织已就绪:', org.username, org.name);
 
-  for (const m of MATERIALS) {
+  for (let i = 0; i < MATERIALS.length; i++) {
+    const m = MATERIALS[i];
+    const healthGrade = ['A', 'B', 'C'][i % 3]; // 示例健康等级
+    const sortOrder = (i + 1) * 10; // 预留竞价排名（越小越靠前）
     await prisma.material.upsert({
       where: { id: m.id },
-      update: {},
+      update: { healthGrade, sortOrder }, // 回填已存在的材料
       create: {
         id: m.id,
         name: m.name,
@@ -49,6 +52,8 @@ async function main() {
         manufacturer: m.manufacturer,
         spec: m.spec ?? undefined,
         envGrade: m.envGrade ?? undefined,
+        healthGrade,
+        sortOrder,
         usageUnit: 'm²',
         emissionParams: ep(m.y0),
         isPublic: true,
diff --git a/apps/api/src/materials/dto/create-material.dto.ts b/apps/api/src/materials/dto/create-material.dto.ts
index 722574c..3e1aab3 100644
--- a/apps/api/src/materials/dto/create-material.dto.ts
+++ b/apps/api/src/materials/dto/create-material.dto.ts
@@ -29,7 +29,9 @@ export class CreateMaterialDto {
   @IsOptional() @IsString() manufacturer?: string;
   @IsOptional() @IsString() spec?: string;
   @IsOptional() @IsString() envGrade?: string;
+  @IsOptional() @IsString() healthGrade?: string;
   @IsOptional() @IsString() usageUnit?: string;
+  @IsOptional() @IsNumber() sortOrder?: number;
 
   @IsObject()
   @ValidateNested()
diff --git a/apps/api/src/materials/dto/query-materials.dto.ts b/apps/api/src/materials/dto/query-materials.dto.ts
index ce3245b..66dc0b4 100644
--- a/apps/api/src/materials/dto/query-materials.dto.ts
+++ b/apps/api/src/materials/dto/query-materials.dto.ts
@@ -9,6 +9,7 @@ export class QueryMaterialsDto {
   @IsOptional() @IsString() manufacturer?: string;
   @IsOptional() @IsString() spec?: string;
   @IsOptional() @IsString() envGrade?: string;
+  @IsOptional() @IsString() healthGrade?: string;
 
   /** 公共库 public | 自建库 self */
   @IsOptional() @IsIn(['public', 'self']) scope?: 'public' | 'self';
diff --git a/apps/api/src/materials/dto/update-material.dto.ts b/apps/api/src/materials/dto/update-material.dto.ts
index cb720b3..2acb7f2 100644
--- a/apps/api/src/materials/dto/update-material.dto.ts
+++ b/apps/api/src/materials/dto/update-material.dto.ts
@@ -1,5 +1,5 @@
 import { Type } from 'class-transformer';
-import { IsObject, IsOptional, IsString, ValidateNested } from 'class-validator';
+import { IsNumber, IsObject, IsOptional, IsString, ValidateNested } from 'class-validator';
 import { EmissionParamsDto } from './create-material.dto';
 
 export class UpdateMaterialDto {
@@ -9,7 +9,9 @@ export class UpdateMaterialDto {
   @IsOptional() @IsString() manufacturer?: string;
   @IsOptional() @IsString() spec?: string;
   @IsOptional() @IsString() envGrade?: string;
+  @IsOptional() @IsString() healthGrade?: string;
   @IsOptional() @IsString() usageUnit?: string;
+  @IsOptional() @IsNumber() sortOrder?: number;
 
   @IsOptional()
   @IsObject()
diff --git a/apps/api/src/materials/materials.service.ts b/apps/api/src/materials/materials.service.ts
index b545a23..d171a02 100644
--- a/apps/api/src/materials/materials.service.ts
+++ b/apps/api/src/materials/materials.service.ts
@@ -26,6 +26,7 @@ export class MaterialsService {
     if (q.manufacturer) where.manufacturer = { contains: q.manufacturer };
     if (q.spec) where.spec = { contains: q.spec };
     if (q.envGrade) where.envGrade = q.envGrade;
+    if (q.healthGrade) where.healthGrade = q.healthGrade;
 
     if (q.favorited === 'true') {
       const favIds = await this.favorites.idsOf(orgId, 'material');
@@ -71,7 +72,9 @@ export class MaterialsService {
         manufacturer: dto.manufacturer,
         spec: dto.spec,
         envGrade: dto.envGrade,
+        healthGrade: dto.healthGrade,
         usageUnit: dto.usageUnit ?? 'm²',
+        sortOrder: dto.sortOrder ?? 0,
         emissionParams: dto.emissionParams as unknown as Prisma.InputJsonValue,
         isPublic: false,
         ownerOrgId: orgId,
@@ -110,11 +113,14 @@ export class MaterialsService {
     return 'PM' + n;
   }
 
-  private parseSort(sort?: string): Prisma.MaterialOrderByWithRelationInput {
-    if (!sort) return { updatedAt: 'desc' };
+  private parseSort(
+    sort?: string,
+  ): Prisma.MaterialOrderByWithRelationInput | Prisma.MaterialOrderByWithRelationInput[] {
+    // 默认按手动排序权重（竞价排名）升序，其次最近更新
+    if (!sort) return [{ sortOrder: 'asc' }, { updatedAt: 'desc' }];
     const [field, dir] = sort.split(':');
-    const allowed = ['updatedAt', 'name', 'id', 'envGrade'];
-    if (!allowed.includes(field)) return { updatedAt: 'desc' };
+    const allowed = ['updatedAt', 'name', 'id', 'envGrade', 'healthGrade', 'sortOrder'];
+    if (!allowed.includes(field)) return [{ sortOrder: 'asc' }, { updatedAt: 'desc' }];
     return { [field]: dir === 'asc' ? 'asc' : 'desc' };
   }
 }
diff --git a/apps/web/src/api/materials.ts b/apps/web/src/api/materials.ts
index 587406e..69b2499 100644
--- a/apps/web/src/api/materials.ts
+++ b/apps/web/src/api/materials.ts
@@ -9,7 +9,9 @@ export interface Material {
   manufacturer?: string;
   spec?: string;
   envGrade?: string;
+  healthGrade?: string;
   usageUnit: string;
+  sortOrder: number;
   emissionParams: Record<Pollutant, EmissionParams>;
   isPublic: boolean;
   ownerOrgId?: string;
@@ -25,6 +27,7 @@ export interface MaterialQuery {
   manufacturer?: string;
   spec?: string;
   envGrade?: string;
+  healthGrade?: string;
   scope?: 'public' | 'self';
   favorited?: string;
   page?: number;
@@ -46,7 +49,9 @@ export interface MaterialInput {
   manufacturer?: string;
   spec?: string;
   envGrade?: string;
+  healthGrade?: string;
   usageUnit?: string;
+  sortOrder?: number;
   emissionParams: Record<Pollutant, EmissionParams>;
 }
 
diff --git a/apps/web/src/components/MaterialFormModal.vue b/apps/web/src/components/MaterialFormModal.vue
index 38b34dc..2ef2d54 100644
--- a/apps/web/src/components/MaterialFormModal.vue
+++ b/apps/web/src/components/MaterialFormModal.vue
@@ -28,17 +28,24 @@
         <a-col :span="12">
           <a-form-item label="材料厂家"><a-input v-model:value="form.manufacturer" placeholder="请输入" /></a-form-item>
         </a-col>
-        <a-col :span="8">
+        <a-col :span="6">
           <a-form-item label="材料规格"><a-input v-model:value="form.spec" placeholder="请输入" /></a-form-item>
         </a-col>
-        <a-col :span="8">
+        <a-col :span="6">
           <a-form-item label="环保级别">
             <a-select v-model:value="form.envGrade" allow-clear placeholder="请选择">
               <a-select-option v-for="g in envGrades" :key="g" :value="g">{{ g }}</a-select-option>
             </a-select>
           </a-form-item>
         </a-col>
-        <a-col :span="8">
+        <a-col :span="6">
+          <a-form-item label="健康等级">
+            <a-select v-model:value="form.healthGrade" allow-clear placeholder="请选择">
+              <a-select-option v-for="g in healthGrades" :key="g" :value="g">{{ g }} 级</a-select-option>
+            </a-select>
+          </a-form-item>
+        </a-col>
+        <a-col :span="6">
           <a-form-item label="用量单位">
             <a-select v-model:value="form.usageUnit">
               <a-select-option v-for="u in units" :key="u" :value="u">{{ u }}</a-select-option>
@@ -78,6 +85,7 @@ import {
   POLLUTANT_LABELS,
   MATERIAL_CATEGORIES,
   ENV_GRADES,
+  HEALTH_GRADES,
   USAGE_UNITS,
   type Pollutant,
   type EmissionParams,
@@ -91,6 +99,7 @@ const pollutants = POLLUTANTS;
 const labels = POLLUTANT_LABELS;
 const categories = MATERIAL_CATEGORIES;
 const envGrades = ENV_GRADES;
+const healthGrades = HEALTH_GRADES;
 const units = USAGE_UNITS;
 
 const formRef = ref();
@@ -111,6 +120,7 @@ const form = reactive<MaterialInput>({
   manufacturer: '',
   spec: '',
   envGrade: undefined,
+  healthGrade: undefined,
   usageUnit: 'm²',
   emissionParams: emptyParams(),
 });
@@ -128,6 +138,7 @@ watch(
         manufacturer: props.material.manufacturer,
         spec: props.material.spec,
         envGrade: props.material.envGrade,
+        healthGrade: props.material.healthGrade,
         usageUnit: props.material.usageUnit,
         emissionParams: JSON.parse(JSON.stringify(props.material.emissionParams)),
       });
@@ -135,7 +146,7 @@ watch(
       isEdit.value = false;
       Object.assign(form, {
         name: '', category: '', brand: '', manufacturer: '', spec: '',
-        envGrade: undefined, usageUnit: 'm²', emissionParams: emptyParams(),
+        envGrade: undefined, healthGrade: undefined, usageUnit: 'm²', emissionParams: emptyParams(),
       });
     }
   },
diff --git a/apps/web/src/components/MaterialPickerModal.vue b/apps/web/src/components/MaterialPickerModal.vue
index 1a002ef..deabeb0 100644
--- a/apps/web/src/components/MaterialPickerModal.vue
+++ b/apps/web/src/components/MaterialPickerModal.vue
@@ -5,102 +5,105 @@
       <a-button type="primary" @click="emit('cancel')">完 成（已加 {{ existingIds.length }}）</a-button>
     </template>
 
-    <!-- 顶部：库 + 分类勾选 -->
-    <div class="picker-head">
-      <div class="scope-row">
-        <span class="lbl">材料库：</span>
-        <a-radio-group v-model:value="scope" size="small" button-style="solid" @change="onScopeChange">
-          <a-radio-button value="public">公共库</a-radio-button>
-          <a-radio-button value="self">自建库</a-radio-button>
-        </a-radio-group>
-        <span class="tip">勾选大类或二级分类，下方生成对应窗口，点击窗口放大快速录入</span>
-      </div>
-      <a-checkbox-group v-model:value="selectedCats" class="cat-group">
-        <div v-for="g in tree" :key="g.major" class="cat-line">
-          <a-checkbox :value="g.major" class="major">{{ g.major }}<template v-if="g.subs.length">（整类）</template></a-checkbox>
-          <span v-if="g.subs.length" class="arrow">▸</span>
-          <a-checkbox v-for="s in g.subs" :key="s" :value="g.major + '/' + s">{{ s }}</a-checkbox>
-        </div>
-      </a-checkbox-group>
+    <!-- 顶部筛选 -->
+    <div class="filters">
+      <span class="lbl">材料库：</span>
+      <a-radio-group v-model:value="scope" size="small" button-style="solid" @change="reload">
+        <a-radio-button value="public">公共库</a-radio-button>
+        <a-radio-button value="self">自建库</a-radio-button>
+      </a-radio-group>
+      <span class="lbl" style="margin-left: 20px">健康等级：</span>
+      <a-select v-model:value="healthGrade" size="small" style="width: 110px" allow-clear placeholder="全部" @change="reload">
+        <a-select-option v-for="g in healthGrades" :key="g" :value="g">{{ g }} 级</a-select-option>
+      </a-select>
+      <span class="lbl" style="margin-left: 20px">环保等级：</span>
+      <a-select v-model:value="envGrade" size="small" style="width: 100px" allow-clear placeholder="全部" @change="reload">
+        <a-select-option v-for="g in envGrades" :key="g" :value="g">{{ g }}</a-select-option>
+      </a-select>
     </div>
 
-    <a-divider style="margin: 12px 0" />
+    <!-- 级联：大类 -->
+    <div class="cascade-row">
+      <span class="cascade-lbl">大类</span>
+      <a-tag
+        v-for="g in tree"
+        :key="g.major"
+        :color="major === g.major ? '#b4232a' : 'default'"
+        class="cas-tag"
+        @click="selectMajor(g.major)"
+      >{{ g.major }}</a-tag>
+    </div>
+    <!-- 级联：子类 -->
+    <div class="cascade-row" v-if="currentSubs.length">
+      <span class="cascade-lbl">子类</span>
+      <a-tag
+        :color="sub === null ? '#b4232a' : 'default'"
+        class="cas-tag"
+        @click="selectSub(null)"
+      >全部</a-tag>
+      <a-tag
+        v-for="s in currentSubs"
+        :key="s"
+        :color="sub === s ? '#b4232a' : 'default'"
+        class="cas-tag"
+        @click="selectSub(s)"
+      >{{ s }}</a-tag>
+    </div>
 
-    <!-- 放大窗口 -->
-    <div v-if="enlarged" class="enlarged">
-      <div class="ehead">
-        <a @click="enlarged = null">← 返回平铺</a>
-        <b>{{ catLabel(enlarged) }}（{{ (cache[enlarged] || []).length }} 种）</b>
-        <a-button type="primary" size="small" :disabled="checkedCount === 0" @click="addSelected">
-          批量添加所选（{{ checkedCount }}）
-        </a-button>
-      </div>
-      <a-table
-        :columns="bigColumns"
-        :data-source="cache[enlarged] || []"
-        :loading="loading"
-        row-key="id"
-        size="small"
-        :pagination="false"
-        :scroll="{ y: 360 }"
-      >
-        <template #bodyCell="{ column, record }">
-          <template v-if="column.key === 'check'">
-            <a-checkbox
-              :checked="!!rowState[record.id]?.checked"
-              :disabled="picked.has(record.id)"
-              @change="(e: any) => toggleRow(record.id, e.target.checked)"
-            />
-          </template>
-          <template v-else-if="column.key === 'envGrade'">
-            <a-tag v-if="record.envGrade">{{ record.envGrade }}</a-tag><span v-else>-</span>
-          </template>
-          <template v-else-if="column.key === 'area'">
-            <span v-if="picked.has(record.id)" class="added">已添加</span>
-            <a-input-number
-              v-else
-              :value="rowState[record.id]?.area"
-              :min="0"
-              size="small"
-              placeholder="面积"
-              style="width: 110px"
-              addon-after="m²"
-              @change="(v: any) => setArea(record.id, v)"
-            />
-          </template>
+    <a-divider style="margin: 10px 0" />
+
+    <!-- 当前类别材料 -->
+    <div class="list-head">
+      <span>{{ major }}<template v-if="sub"> / {{ sub }}</template> · 共 {{ list.length }} 种</span>
+      <a-button type="primary" size="small" :disabled="checkedCount === 0" @click="addSelected">
+        批量添加所选（{{ checkedCount }}）
+      </a-button>
+    </div>
+    <a-table
+      :columns="columns"
+      :data-source="list"
+      :loading="loading"
+      row-key="id"
+      size="small"
+      :pagination="false"
+      :scroll="{ y: 380 }"
+    >
+      <template #bodyCell="{ column, record }">
+        <template v-if="column.key === 'check'">
+          <a-checkbox
+            :checked="!!rowState[record.id]?.checked"
+            :disabled="picked.has(record.id)"
+            @change="(e: any) => toggleRow(record.id, e.target.checked)"
+          />
         </template>
-      </a-table>
-    </div>
-
-    <!-- 平铺窗口 -->
-    <div v-else>
-      <a-empty v-if="!selectedCats.length" description="请在上方勾选材料类别" />
-      <a-row v-else :gutter="[12, 12]">
-        <a-col v-for="cat in selectedCats" :key="cat" :span="6">
-          <a-card hoverable size="small" class="win" @click="enlarge(cat)">
-            <template #title>
-              <span class="win-title">{{ catLabel(cat) }}</span>
-              <a-badge :count="(cache[cat] || []).length" :number-style="{ backgroundColor: '#b4232a' }" show-zero />
-            </template>
-            <div v-if="loadingCats.has(cat)" class="prev muted">加载中…</div>
-            <template v-else>
-              <div v-for="m in (cache[cat] || []).slice(0, 4)" :key="m.id" class="prev">
-                · {{ m.brand || m.name }} {{ m.spec || '' }}
-              </div>
-              <div v-if="!(cache[cat] || []).length" class="prev muted">该类暂无材料</div>
-            </template>
-            <div class="more">点击放大 →</div>
-          </a-card>
-        </a-col>
-      </a-row>
-    </div>
+        <template v-else-if="column.key === 'envGrade'">
+          <a-tag v-if="record.envGrade">{{ record.envGrade }}</a-tag><span v-else>-</span>
+        </template>
+        <template v-else-if="column.key === 'healthGrade'">
+          <a-tag v-if="record.healthGrade" :color="healthColor(record.healthGrade)">{{ record.healthGrade }}</a-tag><span v-else>-</span>
+        </template>
+        <template v-else-if="column.key === 'area'">
+          <span v-if="picked.has(record.id)" class="added">已添加</span>
+          <a-input-number
+            v-else
+            :value="rowState[record.id]?.area"
+            :min="0"
+            size="small"
+            placeholder="面积"
+            style="width: 110px"
+            addon-after="m²"
+            @change="(v: any) => setArea(record.id, v)"
+          />
+        </template>
+      </template>
+    </a-table>
   </a-modal>
 </template>
 
 <script setup lang="ts">
 import { computed, reactive, ref, watch } from 'vue';
 import { message } from 'ant-design-vue';
-import { MATERIAL_CATEGORIES } from '@airpredict/shared';
+import { MATERIAL_CATEGORIES, HEALTH_GRADES, ENV_GRADES } from '@airpredict/shared';
 import { listMaterials, type Material } from '../api/materials';
 
 const props = defineProps<{ open: boolean; existingIds: string[] }>();
@@ -109,119 +112,114 @@ const emit = defineEmits<{
   (e: 'cancel'): void;
 }>();
 
+const healthGrades = HEALTH_GRADES;
+const envGrades = ENV_GRADES;
+
 const scope = ref<'public' | 'self'>('public');
+const healthGrade = ref<string | undefined>(undefined);
+const envGrade = ref<string | undefined>(undefined);
+const major = ref<string>('');
+const sub = ref<string | null>(null);
+const list = ref<Material[]>([]);
 const loading = ref(false);
-const selectedCats = ref<string[]>([]);
-const enlarged = ref<string | null>(null);
-const cache = reactive<Record<string, Material[]>>({});
-const loadingCats = reactive<Set<string>>(new Set());
 const rowState = reactive<Record<string, { checked: boolean; area: number | null }>>({});
 
 const picked = computed(() => new Set(props.existingIds));
 
-// 由 MATERIAL_CATEGORIES 解析出 大类 -> 二级[]
+// 大类 -> 子类[]
 const tree = computed(() => {
   const map = new Map<string, string[]>();
   for (const c of MATERIAL_CATEGORIES) {
-    const [major, sub] = c.split('/');
-    if (!map.has(major)) map.set(major, []);
-    if (sub && !map.get(major)!.includes(sub)) map.get(major)!.push(sub);
+    const [m, s] = c.split('/');
+    if (!map.has(m)) map.set(m, []);
+    if (s && !map.get(m)!.includes(s)) map.get(m)!.push(s);
   }
-  return [...map.entries()].map(([major, subs]) => ({ major, subs }));
+  return [...map.entries()].map(([m, subs]) => ({ major: m, subs }));
 });
+const currentSubs = computed(() => tree.value.find((g) => g.major === major.value)?.subs || []);
 
-const bigColumns = [
+const columns = [
   { title: '', key: 'check', width: 40 },
   { title: '材料ID', dataIndex: 'id' },
   { title: '材料名称', dataIndex: 'name' },
-  { title: '材料类别', dataIndex: 'category' },
   { title: '品牌', dataIndex: 'brand' },
   { title: '规格', dataIndex: 'spec' },
   { title: '环保', key: 'envGrade', width: 64 },
+  { title: '健康', key: 'healthGrade', width: 64 },
   { title: '使用量（面积）', key: 'area', width: 150 },
 ];
 
-const checkedCount = computed(
-  () => Object.values(rowState).filter((r) => r.checked).length,
-);
+const checkedCount = computed(() => Object.values(rowState).filter((r) => r.checked).length);
 
-function catLabel(cat: string) {
-  return cat.includes('/') ? cat.split('/')[1] : cat + '（整类）';
+function healthColor(g: string) {
+  return { A: 'green', B: 'blue', C: 'orange' }[g] || 'default';
 }
 
-async function loadCat(cat: string) {
-  if (loadingCats.has(cat)) return;
-  loadingCats.add(cat);
+function selectMajor(m: string) {
+  major.value = m;
+  sub.value = null;
+  reload();
+}
+function selectSub(s: string | null) {
+  sub.value = s;
+  reload();
+}
+
+async function reload() {
+  if (!major.value) return;
+  loading.value = true;
+  for (const k of Object.keys(rowState)) delete rowState[k];
   try {
-    const res = await listMaterials({ category: cat, scope: scope.value, page: 1, pageSize: 200 });
-    cache[cat] = res.items;
+    const category = sub.value ? `${major.value}/${sub.value}` : major.value;
+    const res = await listMaterials({
+      category,
+      healthGrade: healthGrade.value,
+      envGrade: envGrade.value,
+      scope: scope.value,
+      page: 1,
+      pageSize: 300,
+    });
+    list.value = res.items;
   } finally {
-    loadingCats.delete(cat);
+    loading.value = false;
   }
 }
 
-watch(selectedCats, (cats) => {
-  for (const c of cats) if (!cache[c]) loadCat(c);
-});
-
-function onScopeChange() {
-  for (const k of Object.keys(cache)) delete cache[k];
-  for (const c of selectedCats.value) loadCat(c);
-}
-
-function enlarge(cat: string) {
-  enlarged.value = cat;
-  for (const k of Object.keys(rowState)) delete rowState[k];
-  for (const m of cache[cat] || []) rowState[m.id] = { checked: false, area: null };
-}
-
 function toggleRow(id: string, checked: boolean) {
-  if (rowState[id]) rowState[id].checked = checked;
+  rowState[id] = { checked, area: rowState[id]?.area ?? null };
 }
 function setArea(id: string, v: number | null) {
-  if (!rowState[id]) rowState[id] = { checked: false, area: null };
-  rowState[id].area = v;
-  if (v && v > 0) rowState[id].checked = true; // 填了面积自动勾选
+  rowState[id] = { checked: !!(v && v > 0) || !!rowState[id]?.checked, area: v };
 }
 
 function addSelected() {
-  const cat = enlarged.value!;
-  const items = (cache[cat] || [])
+  const items = list.value
     .filter((m) => rowState[m.id]?.checked && !picked.value.has(m.id))
     .map((m) => ({ material: m, usageAmount: Number(rowState[m.id].area) || 0 }));
   if (!items.length) return message.warning('请先勾选材料');
   emit('add', items);
   message.success(`已添加 ${items.length} 种材料`);
-  enlarged.value = null;
+  for (const k of Object.keys(rowState)) delete rowState[k];
 }
 
 watch(
   () => props.open,
   (o) => {
     if (o) {
-      enlarged.value = null;
-      for (const k of Object.keys(cache)) delete cache[k];
-      for (const c of selectedCats.value) loadCat(c);
+      if (!major.value) major.value = tree.value[0]?.major || '';
+      sub.value = null;
+      reload();
     }
   },
 );
 </script>
 
 <style scoped>
-.picker-head { }
-.scope-row { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
-.scope-row .lbl { color: #555; }
-.scope-row .tip { color: #999; font-size: 12px; }
-.cat-group { display: flex; flex-direction: column; gap: 6px; max-height: 150px; overflow-y: auto; }
-.cat-line { display: flex; align-items: center; flex-wrap: wrap; gap: 4px 12px; padding: 2px 0; }
-.cat-line .major { font-weight: 600; }
-.cat-line .arrow { color: #ccc; }
-.win { cursor: pointer; min-height: 150px; }
-.win-title { font-weight: 600; margin-right: 8px; }
-.prev { font-size: 12px; color: #666; line-height: 1.8; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
-.prev.muted { color: #bbb; }
-.more { margin-top: 8px; color: #b4232a; font-size: 12px; }
-.enlarged .ehead { display: flex; align-items: center; gap: 16px; margin-bottom: 10px; }
-.enlarged .ehead b { flex: 1; }
+.filters { display: flex; align-items: center; margin-bottom: 12px; }
+.filters .lbl { color: #555; }
+.cascade-row { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; margin-bottom: 8px; }
+.cascade-lbl { color: #999; font-size: 12px; width: 32px; flex-shrink: 0; }
+.cas-tag { cursor: pointer; user-select: none; margin: 0; }
+.list-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; color: #555; }
 .added { color: #999; }
 </style>
diff --git a/apps/web/src/pages/MaterialLibrary.vue b/apps/web/src/pages/MaterialLibrary.vue
index b3cdd34..cc6cd77 100644
--- a/apps/web/src/pages/MaterialLibrary.vue
+++ b/apps/web/src/pages/MaterialLibrary.vue
@@ -18,6 +18,13 @@
             <a-select-option value="E2">E2</a-select-option>
           </a-select>
         </a-form-item>
+        <a-form-item label="健康等级">
+          <a-select v-model:value="q.healthGrade" allow-clear style="width: 100px" placeholder="全部" @change="reload">
+            <a-select-option value="A">A 级</a-select-option>
+            <a-select-option value="B">B 级</a-select-option>
+            <a-select-option value="C">C 级</a-select-option>
+          </a-select>
+        </a-form-item>
         <a-form-item>
           <a-button @click="reset">重 置</a-button>
           <a-button type="primary" style="margin-left: 8px" @click="reload">查询</a-button>
@@ -40,6 +47,10 @@
           <a-tag v-if="record.envGrade">{{ record.envGrade }}</a-tag>
           <span v-else>-</span>
         </template>
+        <template v-else-if="column.key === 'healthGrade'">
+          <a-tag v-if="record.healthGrade" :color="healthColor(record.healthGrade)">{{ record.healthGrade }} 级</a-tag>
+          <span v-else>-</span>
+        </template>
         <template v-else-if="column.key === 'action'">
           <a @click="showDetail(record)">详情</a>
           <template v-if="scope === 'self'">
@@ -97,11 +108,12 @@ import MaterialFormModal from '../components/MaterialFormModal.vue';
 
 const pollutants = POLLUTANTS;
 const labels = POLLUTANT_LABELS;
+const healthColor = (g: string) => ({ A: 'green', B: 'blue', C: 'orange' } as Record<string, string>)[g] || 'default';
 
 const scope = ref<'public' | 'self'>('public');
 const loading = ref(false);
 const data = ref<Paged<Material>>({ total: 0, page: 1, pageSize: 10, items: [] });
-const q = reactive<any>({ id: '', name: '', category: '', brand: '', envGrade: undefined });
+const q = reactive<any>({ id: '', name: '', category: '', brand: '', envGrade: undefined, healthGrade: undefined });
 const page = ref(1);
 
 const columns = [
@@ -112,6 +124,7 @@ const columns = [
   { title: '材料厂家', dataIndex: 'manufacturer', key: 'manufacturer' },
   { title: '材料规格', dataIndex: 'spec', key: 'spec' },
   { title: '环保等级', key: 'envGrade' },
+  { title: '健康等级', key: 'healthGrade' },
   { title: '操作', key: 'action', width: 160 },
   { title: '收藏', key: 'favorite', width: 70 },
 ];
diff --git a/packages/shared/src/enums.ts b/packages/shared/src/enums.ts
index 606bc18..c1ced4c 100644
--- a/packages/shared/src/enums.ts
+++ b/packages/shared/src/enums.ts
@@ -11,10 +11,14 @@ export type SpaceType = (typeof SPACE_TYPES)[number];
 /** 空间户型：等高 / 非等高 */
 export type SpaceLayout = 'uniform' | 'non-uniform';
 
-/** 环保等级 */
+/** 环保等级（甲醛释放量国标分级） */
 export const ENV_GRADES = ['E0', 'E1', 'E2'] as const;
 export type EnvGrade = (typeof ENV_GRADES)[number];
 
+/** 健康等级（综合健康评级，独立于环保等级） */
+export const HEALTH_GRADES = ['A', 'B', 'C'] as const;
+export type HealthGrade = (typeof HEALTH_GRADES)[number];
+
 /** 预测评级 */
 export const PREDICTION_RATINGS = ['A', 'B', 'C', 'D'] as const;
 export type PredictionRating = (typeof PREDICTION_RATINGS)[number];