diff --git a/dashboard/backend/src/routes/www/sections.ts b/dashboard/backend/src/routes/www/sections.ts
index b3aadbc..fb708cc 100644
--- a/dashboard/backend/src/routes/www/sections.ts
+++ b/dashboard/backend/src/routes/www/sections.ts
@@ -1,5 +1,5 @@
 import { Router, type Request, type Response } from 'express';
-import { eq, and } from 'drizzle-orm';
+import { eq, and, max } from 'drizzle-orm';
 import { db } from '../../config/database.js';
 import { wwwSectionBlocks, wwwSpecGroups, wwwSpecItems } from '../../schemas/index.js';
 import logger from '../../config/logger.js';
@@ -77,6 +77,15 @@ router.post('/api/www/sections', async (req: Request, res: Response) => {
       return;
     }
 
+    // 未指定排序时，自动追加到同 page_type（及同产品）已有区块的最后，避免默认 0 导致乱序
+    let sortOrder = Number(b.sort_order) || 0;
+    if (b.sort_order === undefined || b.sort_order === null) {
+      const scope = [eq(wwwSectionBlocks.pageType, b.page_type)];
+      if (b.product_id) scope.push(eq(wwwSectionBlocks.productId, b.product_id));
+      const [agg] = await db.select({ max: max(wwwSectionBlocks.sortOrder) }).from(wwwSectionBlocks).where(and(...scope));
+      sortOrder = (agg?.max ?? -1) + 1;
+    }
+
     const result = await db.insert(wwwSectionBlocks).values({
       pageType: b.page_type,
       productId: b.product_id || null,
@@ -108,7 +117,7 @@ router.post('/api/www/sections', async (req: Request, res: Response) => {
       videoUrl: b.video_url || '',
       config: b.config || null,
       isVisible: b.is_visible !== undefined ? (b.is_visible ? 1 : 0) : 1,
-      sortOrder: b.sort_order || 0,
+      sortOrder,
     });
 
     const newId = result[0].insertId;
diff --git a/dashboard/frontend/src/router/elegant/routes.ts b/dashboard/frontend/src/router/elegant/routes.ts
index 965c50f..c85cf44 100644
--- a/dashboard/frontend/src/router/elegant/routes.ts
+++ b/dashboard/frontend/src/router/elegant/routes.ts
@@ -246,7 +246,7 @@ export const generatedRoutes: GeneratedRoute[] = [
     meta: {
       title: 'www',
       i18nKey: 'route.www',
-      icon: 'mdi:globe-model',
+      icon: 'iconoir:www',
       order: 7
     },
     children: [
diff --git a/dashboard/frontend/src/service/api/www-sections.ts b/dashboard/frontend/src/service/api/www-sections.ts
index df34ec6..eb32025 100644
--- a/dashboard/frontend/src/service/api/www-sections.ts
+++ b/dashboard/frontend/src/service/api/www-sections.ts
@@ -35,7 +35,7 @@ export function fetchDuplicateSection(id: number) {
 
 // ===== 参数分组 =====
 export function fetchGetSpecGroups(sectionId: number) {
-  return request<Api.Www.SpecGroup[]>({ url: `/www/sections/${sectionId}/spec-groups`, method: 'get' });
+  return request<{ items: Api.Www.SpecGroup[]; total: number }>({ url: `/www/sections/${sectionId}/spec-groups`, method: 'get' });
 }
 
 export function fetchCreateSpecGroup(sectionId: number, data: { title_zh: string; title_en: string; default_visible?: number }) {
@@ -56,7 +56,7 @@ export function fetchSortSpecGroups(sectionId: number, data: Array<{ id: number;
 
 // ===== 参数项 =====
 export function fetchGetSpecItems(groupId: number) {
-  return request<Api.Www.SpecItem[]>({ url: `/www/spec-groups/${groupId}/items`, method: 'get' });
+  return request<{ items: Api.Www.SpecItem[]; total: number }>({ url: `/www/spec-groups/${groupId}/items`, method: 'get' });
 }
 
 export function fetchCreateSpecItem(groupId: number, data: { name_zh: string; name_en: string; value_zh: string; value_en: string }) {
diff --git a/dashboard/frontend/src/typings/api/www.d.ts b/dashboard/frontend/src/typings/api/www.d.ts
index 0c4aa42..7123f4d 100644
--- a/dashboard/frontend/src/typings/api/www.d.ts
+++ b/dashboard/frontend/src/typings/api/www.d.ts
@@ -147,6 +147,8 @@ declare namespace Api {
       title_en: string;
       default_visible: number;
       sort_order: number;
+      /** GET spec-groups 列表接口内联返回的参数项 */
+      items?: SpecItem[];
     }
 
     interface SpecItem {
diff --git a/dashboard/frontend/src/views/www/components/SectionManager.vue b/dashboard/frontend/src/views/www/components/SectionManager.vue
index 6b05306..0ff7ed3 100644
--- a/dashboard/frontend/src/views/www/components/SectionManager.vue
+++ b/dashboard/frontend/src/views/www/components/SectionManager.vue
@@ -4,6 +4,7 @@ import { NButton, NSpace, NSwitch, NTag, type DataTableColumns, type FormInst, t
 import ColorInput from '../page/home/components/ColorInput.vue';
 import MediaSelectInput from './MediaSelectInput.vue';
 import RichTextEditor from './RichTextEditor.vue';
+import SpecManager from './SpecManager.vue';
 import {
   fetchCreateSection,
   fetchDeleteSection,
@@ -110,7 +111,7 @@ const formData = reactive({
   media_url_en: '',
   video_url: '',
   is_visible: true,
-  config: { text_position: 'middle_left', width_percent: 100, container_width: '1200', border_radius: 0, padding_y: null, title_font_size: null, bg_fit: 'cover', media_position: 'left', mosaic_pattern: 'big_3', mosaic_items: emptyMosaicItems(4), min_height: null } as Record<string, unknown>
+  config: { text_position: 'middle_left', width_percent: 100, container_width: '1200', border_radius: 0, padding_y: null, margin_y: null, title_font_size: null, bg_fit: 'cover', media_position: 'left', split_ratio: 50, mosaic_pattern: 'big_3', mosaic_items: emptyMosaicItems(4), min_height: null } as Record<string, unknown>
 });
 
 // 背景图/视频显示模式选项（bg_type 为图片/视频时生效）
@@ -128,6 +129,20 @@ const containerWidthOptions = [
   { label: '全宽', value: 'full' }
 ];
 
+// 图文分栏比例选项（值为素材栏宽占比）；标签顺序随「媒体位置」联动：
+// 素材在左 → 「素材 : 文案」，素材在右 → 「文案 : 素材」（与视觉左右顺序一致，底层存值不变）
+const splitRatioOptions = computed(() => {
+  const mediaRight = formData.config.media_position === 'right';
+  const label = (media: number) => (mediaRight ? `${100 - media} : ${media}` : `${media} : ${100 - media}`);
+  return [
+    { label: `${label(30)}`, value: 30 },
+    { label: `${label(40)}`, value: 40 },
+    { label: `${label(50)}（默认）`, value: 50 },
+    { label: `${label(60)}`, value: 60 },
+    { label: `${label(70)}`, value: 70 }
+  ];
+});
+
 // ===== 马赛克拼贴（layout=mosaic）：固定版式 + 槽位素材，存 config.mosaic_pattern / config.mosaic_items =====
 interface MosaicItemForm {
   type: 'image' | 'video';
@@ -247,11 +262,15 @@ const columns = computed((): DataTableColumns<Api.Www.SectionBlock> => [
   {
     title: '操作',
     key: 'actions',
-    width: 240,
+    width: 290,
     fixed: 'right',
     render(row) {
       return h('div', { class: 'flex-y-center gap-8px' }, [
         h(NButton, { size: 'small', type: 'primary', onClick: () => handleEdit(row) }, { default: () => '编辑' }),
+        // spec_table 布局：管理参数分组与参数项
+        row.layout === 'spec_table'
+          ? h(NButton, { size: 'small', type: 'info', onClick: () => handleSpecManage(row) }, { default: () => '参数' })
+          : null,
         h(NButton, { size: 'small', onClick: () => handleCopy(row) }, { default: () => '复制' }),
         h(NButton, { size: 'small', type: 'error', onClick: () => handleDelete(row) }, { default: () => '删除' })
       ]);
@@ -315,7 +334,7 @@ function handleAdd() {
   formData.media_url_en = '';
   formData.video_url = '';
   formData.is_visible = true;
-  formData.config = { text_position: 'middle_left', width_percent: 100, container_width: '1200', border_radius: 0, padding_y: null, title_font_size: null, bg_fit: 'cover', media_position: 'left', mosaic_pattern: 'big_3', mosaic_items: emptyMosaicItems(4), min_height: null };
+  formData.config = { text_position: 'middle_left', width_percent: 100, container_width: '1200', border_radius: 0, padding_y: null, margin_y: null, title_font_size: null, bg_fit: 'cover', media_position: 'left', split_ratio: 50, mosaic_pattern: 'big_3', mosaic_items: emptyMosaicItems(4), min_height: null };
   dialogVisible.value = true;
 }
 
@@ -356,9 +375,11 @@ function fillFormFromRow(row: Api.Www.SectionBlock) {
     container_width: ['1400', '1600', 'full'].includes(String(cfg.container_width)) ? String(cfg.container_width) : '1200',
     border_radius: typeof cfg.border_radius === 'number' && cfg.border_radius > 0 ? cfg.border_radius : 0,
     padding_y: typeof cfg.padding_y === 'number' && cfg.padding_y >= 0 ? cfg.padding_y : null,
+    margin_y: typeof cfg.margin_y === 'number' && cfg.margin_y >= 0 ? cfg.margin_y : null,
     title_font_size: typeof cfg.title_font_size === 'number' && cfg.title_font_size > 0 ? cfg.title_font_size : null,
     bg_fit: cfg.bg_fit === 'contain' || cfg.bg_fit === 'auto' ? cfg.bg_fit : 'cover',
     media_position: cfg.media_position === 'right' ? 'right' : 'left',
+    split_ratio: [30, 40, 50, 60, 70].includes(Number(cfg.split_ratio)) ? Number(cfg.split_ratio) : 50,
     min_height: typeof cfg.min_height === 'number' && cfg.min_height >= 0 ? cfg.min_height : null,
     mosaic_pattern: ['big_3', 'half_2', 'big_4', 'big_2'].includes(String(cfg.mosaic_pattern)) ? String(cfg.mosaic_pattern) : 'big_3'
   };
@@ -404,7 +425,14 @@ function handleDelete(row: Api.Www.SectionBlock) {
   });
 }
 
-async function handleSubmit() {
+// 参数管理（spec_table 布局）：唤起 SpecManager
+const specManagerRef = ref<InstanceType<typeof SpecManager> | null>(null);
+
+function handleSpecManage(row: Api.Www.SectionBlock) {
+  specManagerRef.value?.open(row);
+}
+
+async function handleSubmit(closeAfter = true) {
   submitLoading.value = true;
   const { id, ...payload } = formData;
   const reqData = {
@@ -412,13 +440,15 @@ async function handleSubmit() {
     page_type: props.pageType,
     product_id: props.productId || null
   };
-  const { error } = id
+  const { data, error } = id
     ? await fetchUpdateSection(id, reqData)
     : await fetchCreateSection(reqData);
   submitLoading.value = false;
   if (!error) {
+    // 「应用」新建后回填新 id，后续保存走更新接口，避免重复创建
+    if (!id && data?.id) formData.id = data.id;
     window.$message?.success(id ? '更新成功' : '创建成功');
-    dialogVisible.value = false;
+    if (closeAfter) dialogVisible.value = false;
     loadData();
   }
 }
@@ -447,6 +477,8 @@ onMounted(loadData);
       :title="dialogTitle"
       class="w-1000px"
       :mask-closable="false"
+      :segmented="{ content: true, footer: 'soft' }"
+      content-style="max-height: calc(85vh - 130px); overflow-y: auto;"
     >
       <NForm ref="formRef" :model="formData" label-placement="left" label-width="120">
         <NDivider>基础配置</NDivider>
@@ -515,6 +547,23 @@ onMounted(loadData);
             <span class="text-12px opacity-60">内容区与区块上下边缘的间距。留空 = 布局默认（多数 96px / 全幅横幅 120px / 主视觉分屏 64px）；0 = 完全贴边</span>
           </div>
         </NFormItem>
+        <NFormItem label="上下外边距">
+          <div class="w-full flex flex-col gap-8px">
+            <NInputNumber
+              :value="(formData.config.margin_y as number | null) ?? null"
+              :min="0"
+              :max="240"
+              :step="8"
+              class="w-full"
+              clearable
+              placeholder="留空 = 紧贴相邻区块"
+              @update:value="v => (formData.config.margin_y = v)"
+            >
+              <template #suffix>px</template>
+            </NInputNumber>
+            <span class="text-12px opacity-60">区块与上下相邻区块之间的间隙，露出页面背景色；适合「区块宽度 &lt; 100 + 圆角」的卡片式区块。留空/0 = 紧贴（默认）</span>
+          </div>
+        </NFormItem>
         <NFormItem label="标题字号">
           <div class="w-full flex flex-col gap-8px">
             <NInputNumber
@@ -596,10 +645,20 @@ onMounted(loadData);
         </NFormItem>
         <NFormItem v-if="formData.layout === 'split_content'" label="媒体位置">
           <NRadioGroup :value="(formData.config.media_position as string) ?? 'left'" @update:value="v => (formData.config.media_position = v)">
-            <NRadio value="left">图片/视频在左</NRadio>
-            <NRadio value="right">图片/视频在右</NRadio>
+            <NRadio value="left">素材｜文案</NRadio>
+            <NRadio value="right">文案｜素材</NRadio>
           </NRadioGroup>
         </NFormItem>
+        <NFormItem v-if="formData.layout === 'split_content'" label="分栏比例">
+          <div class="w-full flex flex-col gap-8px">
+            <NSelect
+              :value="(formData.config.split_ratio as number) ?? 50"
+              :options="splitRatioOptions"
+              @update:value="v => (formData.config.split_ratio = v)"
+            />
+            <span class="text-12px opacity-60">按页面视觉左右顺序标注（{{ formData.config.media_position === 'right' ? '文案 : 素材' : '素材 : 文案' }}），默认五五等分；移动端（小屏）始终单列堆叠不受影响</span>
+          </div>
+        </NFormItem>
         <NFormItem v-if="formData.layout === 'mosaic'" label="拼贴版式">
           <div class="w-full flex flex-col gap-8px">
             <NRadioGroup :value="(formData.config.mosaic_pattern as string) ?? 'big_3'" @update:value="handleMosaicPatternChange">
@@ -700,10 +759,14 @@ onMounted(loadData);
       <template #footer>
         <NSpace justify="end">
           <NButton @click="dialogVisible = false">取消</NButton>
-          <NButton type="primary" :loading="submitLoading" @click="handleSubmit">确定</NButton>
+          <NButton type="success" secondary :loading="submitLoading" @click="handleSubmit(false)">应用</NButton>
+          <NButton type="primary" :loading="submitLoading" @click="handleSubmit()">确定</NButton>
         </NSpace>
       </template>
     </NModal>
+
+    <!-- 参数规格管理（spec_table 布局专用） -->
+    <SpecManager ref="specManagerRef" />
   </div>
 </template>
 
diff --git a/dashboard/frontend/src/views/www/components/SpecManager.vue b/dashboard/frontend/src/views/www/components/SpecManager.vue
new file mode 100644
index 0000000..b550363
--- /dev/null
+++ b/dashboard/frontend/src/views/www/components/SpecManager.vue
@@ -0,0 +1,306 @@
+<script setup lang="ts">
+import { ref } from 'vue';
+import { NButton, NCollapse, NCollapseItem, NEmpty, NForm, NFormItem, NInput, NInputNumber, NModal, NSpace } from 'naive-ui';
+import {
+  fetchCreateSpecGroup,
+  fetchCreateSpecItem,
+  fetchDeleteSpecGroup,
+  fetchDeleteSpecItem,
+  fetchGetSpecGroups,
+  fetchSortSpecGroups,
+  fetchSortSpecItems,
+  fetchUpdateSpecGroup,
+  fetchUpdateSpecItem
+} from '@/service/api';
+
+/**
+ * 参数规格管理（spec_table 布局专用）
+ *
+ * 管理区块下的参数分组（title_zh/en、默认显示行数）与参数项（中英名称/值），
+ * 由 SectionManager 操作列的「参数」按钮唤起。
+ */
+defineOptions({ name: 'SpecManager' });
+
+const visible = ref(false);
+const loading = ref(false);
+const sectionId = ref<number | null>(null);
+const sectionTitle = ref('');
+const groups = ref<Api.Www.SpecGroup[]>([]);
+
+const expandedNames = ref<number[]>([]);
+
+async function open(row: Api.Www.SectionBlock) {
+  sectionId.value = row.id;
+  sectionTitle.value = row.title_zh || '参数规格';
+  visible.value = true;
+  await loadData();
+  // 默认展开首个分组
+  expandedNames.value = groups.value.length ? [groups.value[0].id] : [];
+}
+
+async function loadData() {
+  if (!sectionId.value) return;
+  loading.value = true;
+  const { data, error } = await fetchGetSpecGroups(sectionId.value);
+  loading.value = false;
+  if (!error && data) {
+    groups.value = data.items || [];
+  }
+}
+
+defineExpose({ open });
+
+// ===== 分组排序 =====
+async function moveGroup(index: number, direction: -1 | 1) {
+  const swapIndex = index + direction;
+  if (swapIndex < 0 || swapIndex >= groups.value.length || !sectionId.value) return;
+  const newData = [...groups.value];
+  [newData[index], newData[swapIndex]] = [newData[swapIndex], newData[index]];
+  const { error } = await fetchSortSpecGroups(
+    sectionId.value,
+    newData.map((g, i) => ({ id: g.id, sort_order: i }))
+  );
+  if (!error) {
+    groups.value = newData;
+    window.$message?.success('排序已更新');
+  }
+}
+
+// ===== 分组编辑 =====
+const groupDialogVisible = ref(false);
+const groupSubmitting = ref(false);
+const groupForm = ref<{ id: number | null; title_zh: string; title_en: string; default_visible: number }>({
+  id: null,
+  title_zh: '',
+  title_en: '',
+  default_visible: 5
+});
+
+function handleAddGroup() {
+  groupForm.value = { id: null, title_zh: '', title_en: '', default_visible: 5 };
+  groupDialogVisible.value = true;
+}
+
+function handleEditGroup(group: Api.Www.SpecGroup) {
+  groupForm.value = {
+    id: group.id,
+    title_zh: group.title_zh,
+    title_en: group.title_en,
+    default_visible: group.default_visible || 5
+  };
+  groupDialogVisible.value = true;
+}
+
+async function handleGroupSubmit() {
+  if (!sectionId.value) return;
+  if (!groupForm.value.title_zh || !groupForm.value.title_en) {
+    window.$message?.warning('请填写中英文标题');
+    return;
+  }
+  groupSubmitting.value = true;
+  const payload = {
+    title_zh: groupForm.value.title_zh,
+    title_en: groupForm.value.title_en,
+    default_visible: groupForm.value.default_visible
+  };
+  const { error } = groupForm.value.id
+    ? await fetchUpdateSpecGroup(sectionId.value, groupForm.value.id, payload)
+    : await fetchCreateSpecGroup(sectionId.value, payload);
+  groupSubmitting.value = false;
+  if (!error) {
+    window.$message?.success(groupForm.value.id ? '更新成功' : '创建成功');
+    groupDialogVisible.value = false;
+    await loadData();
+  }
+}
+
+function handleDeleteGroup(group: Api.Www.SpecGroup) {
+  window.$dialog?.warning({
+    title: '警告',
+    content: `确定要删除参数分组「${group.title_zh}」吗？其下所有参数项将一并删除。`,
+    positiveText: '确定',
+    negativeText: '取消',
+    onPositiveClick: async () => {
+      if (!sectionId.value) return;
+      const { error } = await fetchDeleteSpecGroup(sectionId.value, group.id);
+      if (!error) {
+        window.$message?.success('删除成功');
+        await loadData();
+      }
+    }
+  });
+}
+
+// ===== 参数项编辑 =====
+const itemDialogVisible = ref(false);
+const itemSubmitting = ref(false);
+const itemForm = ref<{ groupId: number; id: number | null; name_zh: string; name_en: string; value_zh: string; value_en: string }>({
+  groupId: 0,
+  id: null,
+  name_zh: '',
+  name_en: '',
+  value_zh: '',
+  value_en: ''
+});
+
+function handleAddItem(group: Api.Www.SpecGroup) {
+  itemForm.value = { groupId: group.id, id: null, name_zh: '', name_en: '', value_zh: '', value_en: '' };
+  itemDialogVisible.value = true;
+}
+
+function handleEditItem(group: Api.Www.SpecGroup, item: Api.Www.SpecItem) {
+  itemForm.value = {
+    groupId: group.id,
+    id: item.id,
+    name_zh: item.name_zh,
+    name_en: item.name_en,
+    value_zh: item.value_zh,
+    value_en: item.value_en
+  };
+  itemDialogVisible.value = true;
+}
+
+async function handleItemSubmit() {
+  const f = itemForm.value;
+  if (!f.name_zh || !f.name_en || !f.value_zh || !f.value_en) {
+    window.$message?.warning('请完整填写中英文参数名与参数值');
+    return;
+  }
+  itemSubmitting.value = true;
+  const payload = { name_zh: f.name_zh, name_en: f.name_en, value_zh: f.value_zh, value_en: f.value_en };
+  const { error } = f.id ? await fetchUpdateSpecItem(f.id, payload) : await fetchCreateSpecItem(f.groupId, payload);
+  itemSubmitting.value = false;
+  if (!error) {
+    window.$message?.success(f.id ? '更新成功' : '创建成功');
+    itemDialogVisible.value = false;
+    await loadData();
+  }
+}
+
+function handleDeleteItem(item: Api.Www.SpecItem) {
+  window.$dialog?.warning({
+    title: '警告',
+    content: `确定要删除参数「${item.name_zh}」吗？`,
+    positiveText: '确定',
+    negativeText: '取消',
+    onPositiveClick: async () => {
+      const { error } = await fetchDeleteSpecItem(item.id);
+      if (!error) {
+        window.$message?.success('删除成功');
+        await loadData();
+      }
+    }
+  });
+}
+
+// ===== 参数项排序 =====
+async function moveItem(group: Api.Www.SpecGroup, index: number, direction: -1 | 1) {
+  const items = [...(group.items || [])];
+  const swapIndex = index + direction;
+  if (swapIndex < 0 || swapIndex >= items.length) return;
+  [items[index], items[swapIndex]] = [items[swapIndex], items[index]];
+  const { error } = await fetchSortSpecItems(
+    group.id,
+    items.map((it, i) => ({ id: it.id, sort_order: i }))
+  );
+  if (!error) {
+    await loadData();
+    window.$message?.success('排序已更新');
+  }
+}
+</script>
+
+<template>
+  <NModal v-model:show="visible" preset="card" :title="`参数管理：${sectionTitle}`" class="w-900px" :mask-closable="false">
+    <NSpace justify="space-between" align="center" class="mb-12px">
+      <span class="text-12px opacity-60">前台按分组顺序渲染参数表；「默认显示行数」之外的参数折叠，用户可自行展开</span>
+      <NButton size="small" type="primary" @click="handleAddGroup">新增分组</NButton>
+    </NSpace>
+
+    <NEmpty v-if="!loading && groups.length === 0" description="暂无参数分组，请先新增分组" class="py-40px" />
+
+    <NCollapse v-else :default-expanded-names="expandedNames" arrow-placement="left">
+      <NCollapseItem v-for="(group, gIdx) in groups" :key="group.id" :name="group.id">
+        <template #header>
+          <span class="font-medium">{{ group.title_zh }}</span>
+          <span class="ml-8px text-12px opacity-60">{{ group.title_en }} · 默认显示 {{ group.default_visible || 5 }} 行 · {{ group.items?.length || 0 }} 项</span>
+        </template>
+        <template #header-extra>
+          <div class="flex-y-center gap-4px" @click.stop>
+            <NButton text size="tiny" type="primary" :disabled="gIdx === 0" @click="moveGroup(gIdx, -1)">↑</NButton>
+            <NButton text size="tiny" type="primary" :disabled="gIdx === groups.length - 1" @click="moveGroup(gIdx, 1)">↓</NButton>
+            <NButton text size="tiny" type="primary" @click="handleEditGroup(group)">编辑</NButton>
+            <NButton text size="tiny" type="error" @click="handleDeleteGroup(group)">删除</NButton>
+          </div>
+        </template>
+
+        <div class="flex flex-col gap-8px">
+          <div
+            v-for="(item, iIdx) in group.items || []"
+            :key="item.id"
+            class="flex items-center gap-12px rounded-8px bg-gray-50 px-12px py-8px dark:bg-black/10"
+          >
+            <span class="w-25% shrink-0 text-13px font-medium">{{ item.name_zh }}</span>
+            <span class="flex-1 truncate text-13px opacity-80" :title="item.value_zh">{{ item.value_zh }}</span>
+            <span class="hidden w-30% truncate text-12px opacity-50 md:block" :title="`${item.name_en} / ${item.value_en}`">
+              {{ item.name_en }} / {{ item.value_en }}
+            </span>
+            <NSpace :size="4" class="shrink-0">
+              <NButton text size="tiny" type="primary" :disabled="iIdx === 0" @click="moveItem(group, iIdx, -1)">↑</NButton>
+              <NButton text size="tiny" type="primary" :disabled="iIdx === (group.items?.length || 0) - 1" @click="moveItem(group, iIdx, 1)">↓</NButton>
+              <NButton text size="tiny" type="primary" @click="handleEditItem(group, item)">编辑</NButton>
+              <NButton text size="tiny" type="error" @click="handleDeleteItem(item)">删除</NButton>
+            </NSpace>
+          </div>
+          <NButton dashed size="small" @click="handleAddItem(group)">+ 新增参数项</NButton>
+        </div>
+      </NCollapseItem>
+    </NCollapse>
+
+    <!-- 分组编辑弹窗 -->
+    <NModal v-model:show="groupDialogVisible" preset="card" :title="groupForm.id ? '编辑参数分组' : '新增参数分组'" class="w-560px" :mask-closable="false">
+      <NForm :model="groupForm" label-placement="left" label-width="100">
+        <NFormItem label="标题（中）" required>
+          <NInput v-model:value="groupForm.title_zh" maxlength="100" placeholder="如：基本参数" />
+        </NFormItem>
+        <NFormItem label="标题（英）" required>
+          <NInput v-model:value="groupForm.title_en" maxlength="100" placeholder="e.g. Basic Parameters" />
+        </NFormItem>
+        <NFormItem label="默认显示行数">
+          <NInputNumber v-model:value="groupForm.default_visible" :min="1" :max="50" class="w-full" />
+          <span class="ml-8px text-12px opacity-60">前台默认显示的行数，超出的折叠由用户展开</span>
+        </NFormItem>
+      </NForm>
+      <template #footer>
+        <NSpace justify="end">
+          <NButton @click="groupDialogVisible = false">取消</NButton>
+          <NButton type="primary" :loading="groupSubmitting" @click="handleGroupSubmit">确定</NButton>
+        </NSpace>
+      </template>
+    </NModal>
+
+    <!-- 参数项编辑弹窗 -->
+    <NModal v-model:show="itemDialogVisible" preset="card" :title="itemForm.id ? '编辑参数项' : '新增参数项'" class="w-640px" :mask-closable="false">
+      <NForm :model="itemForm" label-placement="left" label-width="100">
+        <NFormItem label="参数名（中）" required>
+          <NInput v-model:value="itemForm.name_zh" maxlength="100" placeholder="如：型号" />
+        </NFormItem>
+        <NFormItem label="参数名（英）" required>
+          <NInput v-model:value="itemForm.name_en" maxlength="100" placeholder="e.g. Model" />
+        </NFormItem>
+        <NFormItem label="参数值（中）" required>
+          <NInput v-model:value="itemForm.value_zh" type="textarea" :autosize="{ minRows: 1, maxRows: 4 }" placeholder="如：Luxsin X8" />
+        </NFormItem>
+        <NFormItem label="参数值（英）" required>
+          <NInput v-model:value="itemForm.value_en" type="textarea" :autosize="{ minRows: 1, maxRows: 4 }" placeholder="e.g. Luxsin X8" />
+        </NFormItem>
+      </NForm>
+      <template #footer>
+        <NSpace justify="end">
+          <NButton @click="itemDialogVisible = false">取消</NButton>
+          <NButton type="primary" :loading="itemSubmitting" @click="handleItemSubmit">确定</NButton>
+        </NSpace>
+      </template>
+    </NModal>
+  </NModal>
+</template>
diff --git a/db/migrations/x8_balanced_headphone_specs.sql b/db/migrations/x8_balanced_headphone_specs.sql
new file mode 100644
index 0000000..551fe7d
--- /dev/null
+++ b/db/migrations/x8_balanced_headphone_specs.sql
@@ -0,0 +1,9 @@
+-- 产品详情（product_id=1）参数区块「平衡耳机输出性能参数（4.4mm/XLR4输出）」参数项
+-- 区块：www_section_blocks.id=28（spec_table），分组已预建：gid=5
+
+INSERT INTO www_spec_items (spec_group_id, name_zh, name_en, value_zh, value_en, sort_order) VALUES
+(5, '高增益', 'High Gain', 'L+R≥4840mW+4840mW（16Ω, THD+N＜1%）', 'L+R≥4840mW+4840mW (16Ω, THD+N < 1%)', 0),
+(5, '输出阻抗', 'Output Impedance', '＜1Ω', '< 1Ω', 1),
+(5, '总谐波失真', 'THD+N', '＜−117dB (1kHz/0dB@32Ω)', '< -117dB (1kHz / 0dB @ 32Ω)', 2),
+(5, '信噪比', 'SNR', '≥123dB', '≥123dB', 3),
+(5, '声道分离度', 'Crosstalk', '≥119dB (1kHz@32Ω)', '≥119dB (1kHz @ 32Ω)', 4);
diff --git a/db/migrations/x8_basic_specs.sql b/db/migrations/x8_basic_specs.sql
new file mode 100644
index 0000000..8fa38c9
--- /dev/null
+++ b/db/migrations/x8_basic_specs.sql
@@ -0,0 +1,20 @@
+-- 产品详情（product_id=1）参数区块「基本规格」补充参数项
+-- 区块：www_section_blocks.id=28（spec_table），分组：www_spec_groups.id=1（基本规格）
+-- 已存在：型号 / 尺寸 / 重量（手工新增，sort_order 均为 0，此处一并规范化）
+
+-- 1) 规范化已有 3 项排序
+UPDATE www_spec_items SET sort_order = 0 WHERE id = 1;
+UPDATE www_spec_items SET sort_order = 1 WHERE id = 2;
+UPDATE www_spec_items SET sort_order = 2 WHERE id = 3;
+
+-- 2) 按图片补充剩余 9 项
+INSERT INTO www_spec_items (spec_group_id, name_zh, name_en, value_zh, value_en, sort_order) VALUES
+(1, '电源输入', 'Input Power', 'AC 100–120V/220–240V~50/60Hz', 'AC 100-120V/220-240V~50/60Hz', 3),
+(1, '屏幕', 'Display', '4英寸 LCD（480×960）触摸屏', '4" LCD (480*960) Touchscreen', 4),
+(1, '解码', 'DAC', 'Cirrus Logic CS43198 × 8', 'Cirrus Logic CS43198 × 8', 5),
+(1, '内部电源', 'Power Supply', '超低底噪可调电压线性电源', 'Ultra-low-noise, voltage-adjustable Linear Power Supply', 6),
+(1, 'WiFi', 'WiFi', '支持2.4G/5G双频WiFi', 'Wi-Fi 2.4GHz / 5GHz', 7),
+(1, '蓝牙接收', 'Bluetooth', 'Qualcomm SXW5125 (BT 5.1)', 'Qualcomm SXW5125 (BT 5.1)', 8),
+(1, '控制方式', 'Control Methods', '触控屏, 移动设备 APP (Android/iOS), 电脑浏览器, 红外遥控器(选购配件)', 'Touchscreen, Mobile APP (Android/iOS), Web Browser, IR Remote(Optional)', 9),
+(1, '额定功率', 'Rated Power', '25W', '25W', 10),
+(1, '包装清单', 'Packing List', '电源线×1，USB-B线×1, 3.5mm转6.35mm适配器×1', 'Power Cable ×1, USB-B cable ×1, 3.5mm to 6.35mm adapter ×1', 11);
diff --git a/db/migrations/x8_io_specs.sql b/db/migrations/x8_io_specs.sql
new file mode 100644
index 0000000..1bb6a2a
--- /dev/null
+++ b/db/migrations/x8_io_specs.sql
@@ -0,0 +1,15 @@
+-- 产品详情（product_id=1）参数区块「输入 / 输出」参数项
+-- 区块：www_section_blocks.id=28（spec_table），分组：www_spec_groups.id=2（输入 / 输出）
+
+INSERT INTO www_spec_items (spec_group_id, name_zh, name_en, value_zh, value_en, sort_order) VALUES
+(2, 'USB-A 输入', 'USB-A Input', '用于本地固件更新', 'For local firmware update', 0),
+(2, 'USB-B 输入', 'USB-B Input', '最高支持 PCM 768kHz/32bit; DSD512(Native)', 'Up to PCM 768kHz/32bit; DSD512(Native)', 1),
+(2, 'USB-C 输入', 'USB-C Input', '最高支持 PCM 768kHz/32bit; DSD512(Native)', 'Up to PCM 768kHz/32bit; DSD512(Native)', 2),
+(2, 'IIS 输入', 'IIS Input', '最高支持 PCM 768kHz/32bit; DSD512(Native)', 'Up to PCM 768kHz/32bit; DSD512(Native)', 3),
+(2, '同轴输入', 'Coaxial Input', '最高支持 PCM 192kHz/24bit', 'Up to PCM 192kHz/24bit', 4),
+(2, '光纤输入', 'Optical Input', '最高支持 PCM 192kHz/24bit', 'Up to PCM 192kHz/24bit', 5),
+(2, 'TRIGGER IN', 'TRIGGER IN', '标准3.5mm耳机插座', 'Standard 3.5mm headphone jack', 6),
+(2, 'TRIGGER OUT', 'TRIGGER OUT', '标准3.5mm耳机插座', 'Standard 3.5mm headphone jack', 7),
+(2, '模拟输出接口', 'Analog Output', 'RCA', 'RCA', 8),
+(2, '数字输出接口', 'Balanced Output', 'XLR', 'XLR', 9),
+(2, '耳机输出接口', 'Headphone Output', '6.35mm（非平衡），4.4mm（平衡），4 pin XLR（平衡）', '6.35mm (Unbalanced), 4.4mm (Balanced), 4 pin XLR (Balanced)', 10);
diff --git a/db/migrations/x8_rca_output_specs.sql b/db/migrations/x8_rca_output_specs.sql
new file mode 100644
index 0000000..46c126f
--- /dev/null
+++ b/db/migrations/x8_rca_output_specs.sql
@@ -0,0 +1,9 @@
+-- 产品详情（product_id=1）参数区块「RCA 输出音频特性」参数项
+-- 区块：www_section_blocks.id=28（spec_table），分组已预建：gid=4
+
+INSERT INTO www_spec_items (spec_group_id, name_zh, name_en, value_zh, value_en, sort_order) VALUES
+(4, '信噪比', 'SNR', '≥124.5dB', '≥124.5dB', 0),
+(4, '总谐波失真', 'THD+N', '＜−120dB @不加权', '< -120dB @ unweighted', 1),
+(4, '声道分离度', 'Crosstalk', '≥125dB (1kHz@100kΩ)', '≥125dB (1kHz@100kΩ)', 2),
+(4, '底噪', 'Noise Floor', '＜1.3uVrms', '< 1.3uVrms', 3),
+(4, '线路输出电平', 'Output Level', '2.1Vrms (1kHz@100kΩ)', '2.1Vrms (1kHz@100kΩ)', 4);
diff --git a/db/migrations/x8_se_headphone_specs.sql b/db/migrations/x8_se_headphone_specs.sql
new file mode 100644
index 0000000..30d3b82
--- /dev/null
+++ b/db/migrations/x8_se_headphone_specs.sql
@@ -0,0 +1,8 @@
+-- 产品详情（product_id=1）参数区块「单端耳机输出性能参数（6.35mm输出）」参数项
+-- 区块：www_section_blocks.id=28（spec_table），分组已预建：gid=6
+
+INSERT INTO www_spec_items (spec_group_id, name_zh, name_en, value_zh, value_en, sort_order) VALUES
+(6, '高增益', 'High Gain', 'L+R≥2900mW+2900mW（16Ω，THD+N＜1%）', 'L+R≥2900mW+2900mW (16Ω, THD+N < 1%)', 0),
+(6, '输出阻抗', 'Output Impedance', '＜1Ω', '< 1Ω', 1),
+(6, '总谐波失真', 'THD+N', '＜−115dB (1kHz/0dB@32Ω)', '< -115dB (1kHz/0dB@32Ω)', 2),
+(6, '信噪比', 'SNR', '≥121dB', '≥121dB', 3);
diff --git a/db/migrations/x8_section_sort_fix.sql b/db/migrations/x8_section_sort_fix.sql
new file mode 100644
index 0000000..5948323
--- /dev/null
+++ b/db/migrations/x8_section_sort_fix.sql
@@ -0,0 +1,11 @@
+-- Luxsin X8（product_id=1）区块排序修复
+-- 背景：所有区块 sort_order 均为 0，前台按 sort_order 排序导致顺序混乱。
+-- 已确认 www_section_blocks.id 为自增主键，按 id 升序（即创建顺序）重新分配 sort_order（0 起）。
+-- 同时后端 POST /api/www/sections 已改为：未指定 sort_order 时取同 page_type（+product_id）
+-- 下现有区块的 max(sort_order)+1 自动追加，不再默认 0。
+
+SET @row := -1;
+UPDATE www_section_blocks
+SET sort_order = (@row := @row + 1)
+WHERE page_type = 'product_detail' AND product_id = 1
+ORDER BY id;
diff --git a/db/migrations/x8_xlr_output_specs.sql b/db/migrations/x8_xlr_output_specs.sql
new file mode 100644
index 0000000..b7a6bf1
--- /dev/null
+++ b/db/migrations/x8_xlr_output_specs.sql
@@ -0,0 +1,12 @@
+-- 产品详情（product_id=1）参数区块「XLR 输出音频特性」参数项
+-- 区块：www_section_blocks.id=28（spec_table）
+-- 说明：分组「XLR 输出音频特性」已预先存在（gid=3），本脚本仅补参数项；
+--      执行中发现重复建组（gid=7）已清理：参数项改挂 gid=3，重复组已删除。
+--      顺带规范了各分组 sort_order：基本规格=0、输入/输出=1、XLR=2、RCA=3、平衡耳机=4、单端耳机=5
+
+INSERT INTO www_spec_items (spec_group_id, name_zh, name_en, value_zh, value_en, sort_order) VALUES
+(3, '信噪比', 'SNR', '≥129.5dB', '≥129.5dB', 0),
+(3, '总谐波失真', 'THD+N', '＜−121.8dB @不加权', '< -121.8dB @ unweighted', 1),
+(3, '声道分离度', 'Crosstalk', '≥133dB (1kHz@200kΩ)', '≥133dB (1kHz@200kΩ)', 2),
+(3, '底噪', 'Noise Floor', '＜1.1uVrms', '< 1.1uVrms', 3),
+(3, '线路输出电平', 'Output Level', '4.2Vrms (1kHz@200kΩ)', '4.2Vrms (1kHz@200kΩ)', 4);
diff --git a/tmp_home_check.png b/tmp_home_check.png
new file mode 100644
index 0000000..d8bd5b3
Binary files /dev/null and b/tmp_home_check.png differ
diff --git a/www/app/assets/css/main.css b/www/app/assets/css/main.css
index cb69dbc..1c19697 100644
--- a/www/app/assets/css/main.css
+++ b/www/app/assets/css/main.css
@@ -4,6 +4,17 @@ html {
   -moz-osx-font-smoothing: grayscale;
 }
 
+/* UnoCSS wind3 preflight 未含 Tailwind 标准的 border 重置：浏览器默认 border-style 为 none，
+   导致 border-b / border 等宽度工具类不可见，此处补上（宽度默认 0，不影响未显式设置边框的元素） */
+*,
+::before,
+::after {
+  box-sizing: border-box;
+  border-width: 0;
+  border-style: solid;
+  border-color: currentColor;
+}
+
 body {
   margin: 0;
   font-family:
diff --git a/www/app/components/section/SectionRenderer.vue b/www/app/components/section/SectionRenderer.vue
index 0e35d8d..a355e9d 100644
--- a/www/app/components/section/SectionRenderer.vue
+++ b/www/app/components/section/SectionRenderer.vue
@@ -72,6 +72,13 @@ const paddingY = computed(() => {
   return typeof v === 'number' && v >= 0 ? `${v}px` : '';
 });
 
+// 区块上下外边距（config.margin_y）：单位 px，区块与相邻区块的间隙（露出页面背景）；
+// 未设置或 0 = 紧贴相邻区块（默认，全宽无缝拼接设计）
+const marginY = computed(() => {
+  const v = props.section.config?.margin_y;
+  return typeof v === 'number' && v > 0 ? `${v}px` : '';
+});
+
 // 标题字号（config.title_font_size）：桌面端 px，未设置时不下发变量（main.css 的 section h2 规则兜底 36px）；
 // 移动端按桌面值 62.5% 等比缩小（--sec-title-fs-m）
 const titleFontSize = computed(() => {
@@ -89,6 +96,7 @@ const sectionStyleVars = computed<CSSProperties>(() => {
     '--sec-cw': containerWidth,
     borderRadius: borderRadius.value,
     ...(paddingY.value ? { '--sec-py': paddingY.value } : {}),
+    ...(marginY.value ? { marginTop: marginY.value, marginBottom: marginY.value } : {}),
     ...(titleFontSize.value ? { '--sec-title-fs': titleFontSize.value.desktop, '--sec-title-fs-m': titleFontSize.value.mobile } : {})
   } as CSSProperties;
 });
diff --git a/www/app/components/section/layouts/LayoutSpecTable.vue b/www/app/components/section/layouts/LayoutSpecTable.vue
index 0e2e8e2..777e6e8 100644
--- a/www/app/components/section/layouts/LayoutSpecTable.vue
+++ b/www/app/components/section/layouts/LayoutSpecTable.vue
@@ -1,13 +1,14 @@
 <script setup lang="ts">
+import { Icon } from '@iconify/vue';
 import type { SectionBlock, SpecGroup } from '~/types/site';
 
 const props = defineProps<{ section: SectionBlock }>();
 
-const { overline, title, subtitle, isEn, isDark, overlineStyle, titleStyle, bodyStyle } = useSectionContent(props.section);
+const { overline, title, subtitle, content, isEn, isDark, overlineStyle, titleStyle, bodyStyle } = useSectionContent(props.section);
 
 const specGroups = computed<SpecGroup[]>(() => props.section.spec_groups ?? []);
 
-// 每个分组的展开状态（默认收起，仅显示前 default_visible 项）
+// 每个分组的展开状态（默认收起，仅显示前 default_visible 行）
 const expandedMap = ref<Record<number, boolean>>({});
 
 function isExpanded(group: SpecGroup): boolean {
@@ -18,10 +19,10 @@ function toggle(group: SpecGroup) {
   expandedMap.value[group.id] = !expandedMap.value[group.id];
 }
 
-// 分组内可见的参数项：展开时全部，收起时前 default_visible 项
-function visibleItems(group: SpecGroup) {
+// 固定显示的参数项：始终为前 default_visible 项（默认 5 行），
+// 其余项由下方 Transition 区域渲染，避免展开时重复
+function fixedItems(group: SpecGroup) {
   const items = group.items ?? [];
-  if (isExpanded(group)) return items;
   return items.slice(0, group.default_visible || 5);
 }
 
@@ -29,11 +30,44 @@ function visibleItems(group: SpecGroup) {
 function needToggle(group: SpecGroup): boolean {
   return (group.items?.length ?? 0) > (group.default_visible || 5);
 }
+
+// 展开/收起高度过渡：从 0 动画到内容自然高度
+// 注意：钩子必须声明并调用 done 回调（Vue 按形参个数判断是否显式接管完成时机），
+// 否则 leave 结束后元素不会被移除，导致再次展开失效
+const SPEC_TOGGLE_MS = 300;
+
+function onEnter(el: Element, done: () => void) {
+  const html = el as HTMLElement;
+  html.style.overflow = 'hidden';
+  html.style.height = '0';
+  // 强制 reflow 后再切到目标高度，确保过渡生效
+  void html.offsetHeight;
+  html.style.transition = `height ${SPEC_TOGGLE_MS}ms ease`;
+  html.style.height = `${html.scrollHeight}px`;
+  setTimeout(done, SPEC_TOGGLE_MS);
+}
+
+function onAfterEnter(el: Element) {
+  const html = el as HTMLElement;
+  html.style.overflow = '';
+  html.style.height = '';
+  html.style.transition = '';
+}
+
+function onLeave(el: Element, done: () => void) {
+  const html = el as HTMLElement;
+  html.style.overflow = 'hidden';
+  html.style.height = `${html.scrollHeight}px`;
+  void html.offsetHeight;
+  html.style.transition = `height ${SPEC_TOGGLE_MS}ms ease`;
+  html.style.height = '0';
+  setTimeout(done, SPEC_TOGGLE_MS);
+}
 </script>
 
 <template>
   <div class="section-container py-[var(--sec-py,96px)]">
-    <!-- 标题区 -->
+    <!-- 区块标题：整个区块顶部居中 -->
     <div class="text-center max-w-640px mx-auto mb-56px">
       <p v-if="overline" class="text-14px font-semibold tracking-widest uppercase" :class="isDark ? 'text-primary-300' : 'text-primary'" :style="overlineStyle">
         {{ overline }}
@@ -44,49 +78,84 @@ function needToggle(group: SpecGroup): boolean {
       <p v-if="subtitle" class="mt-16px text-base" :class="isDark ? 'text-gray-400' : 'text-gray-500 dark:text-gray-400'" :style="bodyStyle">
         {{ subtitle }}
       </p>
+      <div v-if="content" class="rich-text mt-20px text-15px leading-relaxed" :class="isDark ? 'text-gray-400' : 'text-gray-500 dark:text-gray-400'" :style="bodyStyle" v-html="content" />
     </div>
 
-    <!-- 参数分组卡片 -->
-    <div class="flex flex-col gap-24px max-w-960px mx-auto">
+    <!-- 参数分组：左分组标题 + 右参数卡片 -->
+    <div class="flex flex-col gap-64px">
       <div
         v-for="group in specGroups"
         :key="group.id"
-        class="rounded-16px overflow-hidden"
-        :class="isDark ? 'bg-white/5 border border-white/10' : 'bg-white border border-gray-100 shadow-sm dark:bg-dark-800 dark:border-dark-700'"
+        class="md:grid md:grid-cols-[minmax(0,5fr)_minmax(0,7fr)] gap-64px items-start"
       >
-        <!-- 分组标题 -->
-        <div class="px-32px py-20px border-b" :class="isDark ? 'border-white/10' : 'border-gray-100 dark:border-dark-700'">
-          <h3 class="text-lg font-semibold" :class="isDark ? 'text-white' : 'text-gray-900 dark:text-white'" :style="titleStyle">
+        <!-- 左栏：分组标题（桌面端吸顶） -->
+        <div class="mb-24px md:sticky md:top-120px md:mb-0">
+          <h3 class="text-xl md:text-24px font-bold" :class="isDark ? 'text-white' : 'text-gray-900 dark:text-white'">
             {{ isEn ? group.title_en : group.title_zh }}
           </h3>
         </div>
 
-        <!-- 参数项列表 -->
-        <div class="px-32px">
-          <div
-            v-for="item in visibleItems(group)"
-            :key="item.id"
-            class="flex items-start justify-between gap-24px py-14px border-b last:border-b-0"
-            :class="isDark ? 'border-white/5' : 'border-gray-50 dark:border-dark-700/50'"
-          >
-            <span class="text-sm shrink-0" :class="isDark ? 'text-gray-400' : 'text-gray-500 dark:text-gray-400'">
-              {{ isEn ? item.name_en : item.name_zh }}
-            </span>
-            <span class="text-sm text-right font-medium" :class="isDark ? 'text-gray-200' : 'text-gray-800 dark:text-gray-200'">
-              {{ isEn ? item.value_en : item.value_zh }}
-            </span>
-          </div>
-        </div>
+        <!-- 右栏：参数卡片（2 列：参数名 / 参数值） -->
+        <div
+          class="rounded-16px overflow-hidden"
+          :class="isDark ? 'bg-white/5 border border-white/10' : 'bg-gray-100 border border-gray-200 dark:bg-dark-800 dark:border-dark-700'"
+        >
+          <div class="px-24px md:px-32px py-16px">
+            <div
+              v-for="(item, idx) in fixedItems(group)"
+              :key="item.id"
+              class="flex items-baseline justify-between gap-24px py-16px border-b"
+              :class="[isDark ? 'border-white/10' : 'border-gray-300 dark:border-dark-600', idx === fixedItems(group).length - 1 && (!needToggle(group) || !isExpanded(group)) ? 'border-b-0' : '']"
+            >
+              <span class="text-sm font-semibold w-20% shrink-0" :class="isDark ? 'text-gray-200' : 'text-gray-800 dark:text-gray-200'">
+                {{ isEn ? item.name_en : item.name_zh }}
+              </span>
+              <span class="flex-1 text-sm text-left" :class="isDark ? 'text-gray-400' : 'text-gray-500 dark:text-gray-400'">
+                {{ isEn ? item.value_en : item.value_zh }}
+              </span>
+            </div>
 
-        <!-- 展开/收起按钮 -->
-        <div v-if="needToggle(group)" class="px-32px py-16px">
-          <button
-            class="text-sm font-medium transition-colors"
-            :class="isDark ? 'text-primary-300 hover:text-primary-200' : 'text-primary hover:opacity-80'"
-            @click="toggle(group)"
-          >
-            {{ isExpanded(group) ? '收起参数 ∧' : `查看全部参数（${group.items?.length ?? 0} 项）∨` }}
-          </button>
+            <!-- 收起时隐藏的参数项：高度过渡动画 -->
+            <Transition @enter="onEnter" @after-enter="onAfterEnter" @leave="onLeave">
+              <div v-if="isExpanded(group)">
+                <div
+                  v-for="item in group.items?.slice(group.default_visible || 5)"
+                  :key="item.id"
+                  class="flex items-baseline justify-between gap-24px py-16px border-b"
+                  :class="[isDark ? 'border-white/10' : 'border-gray-300 dark:border-dark-600', item.id === group.items?.at(-1)?.id ? 'border-b-0' : '']"
+                >
+                  <span class="text-sm font-semibold w-20% shrink-0" :class="isDark ? 'text-gray-200' : 'text-gray-800 dark:text-gray-200'">
+                    {{ isEn ? item.name_en : item.name_zh }}
+                  </span>
+                  <span class="flex-1 text-sm text-left" :class="isDark ? 'text-gray-400' : 'text-gray-500 dark:text-gray-400'">
+                    {{ isEn ? item.value_en : item.value_zh }}
+                  </span>
+                </div>
+              </div>
+            </Transition>
+          </div>
+
+          <!-- 展开/收起按钮 -->
+          <div v-if="needToggle(group)" class="px-24px md:px-32px py-16px flex justify-center">
+            <button
+              class="text-sm font-medium inline-flex items-center gap-8px bg-transparent cursor-pointer transition-colors"
+              :class="isDark ? 'text-white' : 'text-gray-600 dark:text-white'"
+              @click="toggle(group)"
+            >
+              <template v-if="isExpanded(group)">
+                {{ isEn ? 'View less' : '收起参数' }}
+                <span class="w-24px h-24px rounded-full flex items-center justify-center text-14px" :class="isDark ? 'bg-white/10 text-white' : 'bg-gray-200 text-gray-700'" aria-hidden="true">
+                  <Icon icon="mingcute:up-line" />
+                </span>
+              </template>
+              <template v-else>
+                {{ isEn ? `View all (${group.items?.length ?? 0})` : `查看全部参数（${group.items?.length ?? 0} 项）` }}
+                <span class="w-24px h-24px rounded-full flex items-center justify-center text-14px" :class="isDark ? 'bg-white/10 text-white' : 'bg-gray-200 text-gray-700'" aria-hidden="true">
+                  <Icon icon="mingcute:down-line" />
+                </span>
+              </template>
+            </button>
+          </div>
         </div>
       </div>
     </div>
diff --git a/www/app/components/section/layouts/LayoutSplitContent.vue b/www/app/components/section/layouts/LayoutSplitContent.vue
index 4c85edd..3f76fa1 100644
--- a/www/app/components/section/layouts/LayoutSplitContent.vue
+++ b/www/app/components/section/layouts/LayoutSplitContent.vue
@@ -12,6 +12,19 @@ const videoUrl = computed(() => resolveAssetUrl(props.section.video_url));
 // 媒体位置（config.media_position）：left 图/视频在左（默认）/ right 在右；移动端始终文案在上
 const mediaPosition = computed(() => (props.section.config as Record<string, string> | null)?.media_position === 'right' ? 'right' : 'left');
 
+// 分栏比例（config.split_ratio）：媒体栏宽占比，档位 30/40/50/60/70，默认 50（五五等分）；移动端单列不受影响
+const splitRatio = computed(() => {
+  const v = Number((props.section.config as Record<string, unknown> | null)?.split_ratio);
+  return [30, 40, 50, 60, 70].includes(v) ? v : 50;
+});
+
+// 栅格轨道随媒体位置：媒体在左 = 首轨为媒体栏，媒体在右 = 次轨为媒体栏（完整字面量供 UnoCSS 提取）
+const gridClass = computed(() =>
+  mediaPosition.value === 'right'
+    ? 'md:grid-cols-[minmax(0,1fr)_var(--split-media,50%)]'
+    : 'md:grid-cols-[var(--split-media,50%)_minmax(0,1fr)]'
+);
+
 // 媒体填满所在栏（去掉 520px 上限与栏内居中），高度按原素材比例自适应
 const mediaWrapClass = computed(() =>
   mediaPosition.value === 'right'
@@ -27,7 +40,11 @@ const textWrapClass = computed(() =>
 </script>
 
 <template>
-  <div class="section-container py-[var(--sec-py,96px)] grid md:grid-cols-2 gap-48px items-center">
+  <div
+    class="section-container py-[var(--sec-py,96px)] grid gap-48px items-center"
+    :class="gridClass"
+    :style="{ '--split-media': `${splitRatio}%` }"
+  >
     <!-- 媒体：视频优先，其次图片 -->
     <div v-if="videoUrl || mediaUrl" :class="mediaWrapClass">
       <video
diff --git a/www/package.json b/www/package.json
index 75f5b3b..a7c20e3 100644
--- a/www/package.json
+++ b/www/package.json
@@ -11,6 +11,7 @@
     "typecheck": "nuxt typecheck"
   },
   "dependencies": {
+    "@iconify/vue": "^5.0.1",
     "@nuxtjs/i18n": "^10.5.0",
     "@pinia/nuxt": "^1.0.1",
     "@vueuse/nuxt": "^14.4.0",
diff --git a/www/pnpm-lock.yaml b/www/pnpm-lock.yaml
index fed9d58..6f280cf 100644
--- a/www/pnpm-lock.yaml
+++ b/www/pnpm-lock.yaml
@@ -8,6 +8,9 @@ importers:
 
   .:
     dependencies:
+      '@iconify/vue':
+        specifier: ^5.0.1
+        version: 5.0.1(vue@3.5.40(typescript@5.8.2))
       '@nuxtjs/i18n':
         specifier: ^10.5.0
         version: 10.5.0(@vue/compiler-dom@3.5.40)(db0@0.3.4)(esbuild@0.28.1)(eslint@10.8.0(jiti@2.7.0)(supports-color@10.0.0))(ioredis@5.11.1(supports-color@10.0.0))(magicast@0.5.3)(pinia@4.0.2(@vue/devtools-api@8.2.1)(typescript@5.8.2)(vue@3.5.40(typescript@5.8.2)))(rolldown@1.2.0)(rollup@4.62.3)(supports-color@10.0.0)(typescript@5.8.2)(vite@8.1.5(@types/node@26.1.2)(esbuild@0.28.1)(jiti@2.7.0)(terser@5.49.0)(yaml@2.9.0))(vue@3.5.40(typescript@5.8.2))(webpack@5.109.1(cssnano@8.0.2(postcss@8.5.23))(csso@5.0.5)(esbuild@0.28.1)(lightningcss@1.33.0)(postcss@8.5.23))
@@ -622,6 +625,11 @@ packages:
   '@iconify/utils@3.1.4':
     resolution: {integrity: sha512-b1S7B1k9ohZ+iNTi2ATxbRYG9fTrJmUT0rc46bvVnNxqNRGW7dyo/vRREwyniI5IRN2RSJHDcm+s3BjWrSAjHw==}
 
+  '@iconify/vue@5.0.1':
+    resolution: {integrity: sha512-aumwwooJlFJ5H5qYWB6ZTAyM0C8hpfcSVLB9/a3qnH1GGvIJ+FEbpEs4s/HfErYe/M5qZeLjwmESR5fFm3lXEw==}
+    peerDependencies:
+      vue: '>=3.0.0'
+
   '@intlify/bundle-utils@11.2.4':
     resolution: {integrity: sha512-eE18yR9eM9k5n8snCkHIYp2MuVTxa19aF8z9OMyxXWv0frz2HlBZDGIPFjA38pP3OJ1IlRBXC/dW5GILeLMSCQ==}
     engines: {node: '>= 22.13'}
@@ -5221,6 +5229,11 @@ snapshots:
       '@iconify/types': 2.0.0
       import-meta-resolve: 4.2.0
 
+  '@iconify/vue@5.0.1(vue@3.5.40(typescript@5.8.2))':
+    dependencies:
+      '@iconify/types': 2.0.0
+      vue: 3.5.40(typescript@5.8.2)
+
   '@intlify/bundle-utils@11.2.4(vue-i18n@11.4.8(vue@3.5.40(typescript@5.8.2)))':
     dependencies:
       '@intlify/message-compiler': 11.4.8