diff --git a/dashboard/frontend/src/views/www/components/RichTextEditor.vue b/dashboard/frontend/src/views/www/components/RichTextEditor.vue
index 0caa310..90cb05b 100644
--- a/dashboard/frontend/src/views/www/components/RichTextEditor.vue
+++ b/dashboard/frontend/src/views/www/components/RichTextEditor.vue
@@ -90,19 +90,27 @@ const editorConfig = {
   padding: 0 12px;
 }
 
-/* 深色主题适配（wangEditor 默认浅色） */
-:global(html.dark) .rich-editor,
-:global(html.dark) .rich-editor :deep(.w-e-text-container),
-:global(html.dark) .rich-editor :deep(.w-e-toolbar) {
-  background-color: transparent;
-  color: rgba(255, 255, 255, 0.82);
-}
-
-:global(html.dark) .rich-editor :deep(.w-e-bar-item button) {
-  color: rgba(255, 255, 255, 0.72);
-}
-
-:global(html.dark) .rich-editor :deep(.w-e-text-container [data-slate-editor]) {
-  color: rgba(255, 255, 255, 0.82);
+/*
+ * 深色主题适配：wangEditor 通过 CSS 变量（--w-e-*）控制全部内部元素颜色，
+ * 覆盖变量即可一次性适配工具栏、编辑区、下拉菜单、模态框等所有子组件，
+ * 无需逐元素覆写 background-color / color（旧方案漏掉了下拉菜单等内部元素）。
+ */
+:global(html.dark) .rich-editor {
+  --w-e-textarea-bg-color: #18181c;
+  --w-e-textarea-color: rgba(255, 255, 255, 0.82);
+  --w-e-textarea-border-color: rgba(255, 255, 255, 0.12);
+  --w-e-textarea-slight-border-color: rgba(255, 255, 255, 0.08);
+  --w-e-textarea-slight-color: rgba(255, 255, 255, 0.4);
+  --w-e-textarea-slight-bg-color: rgba(255, 255, 255, 0.06);
+  --w-e-textarea-selected-border-color: #1668dc;
+  --w-e-textarea-handler-bg-color: #1668dc;
+  --w-e-toolbar-color: rgba(255, 255, 255, 0.72);
+  --w-e-toolbar-bg-color: #18181c;
+  --w-e-toolbar-active-color: rgba(255, 255, 255, 0.95);
+  --w-e-toolbar-active-bg-color: rgba(255, 255, 255, 0.1);
+  --w-e-toolbar-disabled-color: rgba(255, 255, 255, 0.3);
+  --w-e-toolbar-border-color: rgba(255, 255, 255, 0.1);
+  --w-e-modal-button-bg-color: rgba(255, 255, 255, 0.08);
+  --w-e-modal-button-border-color: rgba(255, 255, 255, 0.15);
 }
 </style>
diff --git a/dashboard/frontend/src/views/www/components/SectionManager.vue b/dashboard/frontend/src/views/www/components/SectionManager.vue
index 0ff7ed3..b0a288e 100644
--- a/dashboard/frontend/src/views/www/components/SectionManager.vue
+++ b/dashboard/frontend/src/views/www/components/SectionManager.vue
@@ -47,11 +47,9 @@ const layoutOptions: LayoutOption[] = [
   { label: '图文分栏', value: 'split_content', desc: '图片与文案左右并排介绍' },
   { label: '图片画廊', value: 'gallery', desc: '多张图片网格展示' },
   { label: '数据统计', value: 'stats', desc: '大数字展示关键指标数据' },
-  { label: '视频展示', value: 'video_showcase', desc: '以视频为主的视觉区块' },
   { label: '标题+媒体', value: 'title_media', desc: '顶部标题文案 + 下方图片/视频，对齐方向可配置' },
   { label: '马赛克拼贴', value: 'mosaic', desc: '一大带多小的不规则网格，每个槽位支持图片/视频、中英双素材' },
-  { label: '滚动叙事', value: 'scroll_narrative', desc: '随滚动逐步展开的叙事内容' },
-  { label: '引言评价', value: 'quote', desc: '引用语 / 用户评价展示' },
+  { label: '跑马灯', value: 'marquee', desc: '图片/视频轮播，可自定义切换间隔，最多 5 个素材' },
   { label: '参数规格表', value: 'spec_table', desc: '产品技术参数规格表格' }
 ];
 
@@ -111,7 +109,7 @@ 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, 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>
+  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), marquee_items: emptyMarqueeItems(1), marquee_interval: 3, 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）
@@ -200,6 +198,43 @@ function handleMosaicPatternChange(value: string) {
 const mosaicSlotItems = computed<MosaicItemForm[]>(() => (formData.config.mosaic_items as MosaicItemForm[]) || []);
 const mosaicSlotLabelList = computed(() => mosaicSlotLabels(String(formData.config.mosaic_pattern ?? 'big_3')));
 
+// ===== 跑马灯（layout=marquee）：图片/视频轮播，存 config.marquee_items / config.marquee_interval =====
+interface MarqueeItemForm {
+  type: 'image' | 'video';
+  media_zh: string;
+  media_en: string;
+  /** 可选跳转链接 */
+  link: string;
+}
+const MARQUEE_MAX = 5;
+
+function emptyMarqueeItem(): MarqueeItemForm {
+  return { type: 'image', media_zh: '', media_en: '', link: '' };
+}
+function emptyMarqueeItems(count: number): MarqueeItemForm[] {
+  return Array.from({ length: count }, () => emptyMarqueeItem());
+}
+// 归一化回填：类型/字段容错，数量限制 1~5（空则给 1 个空槽位）
+function normalizeMarqueeItems(raw: unknown): MarqueeItemForm[] {
+  const arr = Array.isArray(raw) ? raw : [];
+  const list = arr.slice(0, MARQUEE_MAX).map((it): MarqueeItemForm => {
+    const o = (it ?? {}) as Partial<MarqueeItemForm>;
+    return { type: o.type === 'video' ? 'video' : 'image', media_zh: o.media_zh || '', media_en: o.media_en || '', link: o.link || '' };
+  });
+  return list.length ? list : emptyMarqueeItems(1);
+}
+function handleAddMarqueeItem() {
+  const items = (formData.config.marquee_items as MarqueeItemForm[]) || [];
+  if (items.length >= MARQUEE_MAX) return;
+  formData.config.marquee_items = [...items, emptyMarqueeItem()];
+}
+function handleRemoveMarqueeItem(idx: number) {
+  const items = (formData.config.marquee_items as MarqueeItemForm[]) || [];
+  const next = items.filter((_, i) => i !== idx);
+  formData.config.marquee_items = next.length ? next : emptyMarqueeItems(1);
+}
+const marqueeItems = computed<MarqueeItemForm[]>(() => (formData.config.marquee_items as MarqueeItemForm[]) || []);
+
 // 九宫格文案位置（hero_split 专用）
 const textPositionOptions = [
   { label: '左上', value: 'top_left' },
@@ -334,7 +369,7 @@ 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, 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 };
+  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), marquee_items: emptyMarqueeItems(1), marquee_interval: 3, min_height: null };
   dialogVisible.value = true;
 }
 
@@ -381,9 +416,11 @@ function fillFormFromRow(row: Api.Www.SectionBlock) {
     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'
+    mosaic_pattern: ['big_3', 'half_2', 'big_4', 'big_2'].includes(String(cfg.mosaic_pattern)) ? String(cfg.mosaic_pattern) : 'big_3',
+    marquee_interval: typeof cfg.marquee_interval === 'number' && cfg.marquee_interval >= 1 ? Math.min(cfg.marquee_interval, 60) : 3
   };
   formData.config.mosaic_items = normalizeMosaicItems(cfg.mosaic_items, String(formData.config.mosaic_pattern));
+  formData.config.marquee_items = normalizeMarqueeItems(cfg.marquee_items);
 }
 
 function handleEdit(row: Api.Www.SectionBlock) {
@@ -581,6 +618,26 @@ onMounted(loadData);
             <span class="text-12px opacity-60">桌面端标题字号；移动端自动按约 62.5% 缩小（如填 48 → 移动端 30px）。留空 = 兜底 36px；引言布局无标题字段不受影响</span>
           </div>
         </NFormItem>
+        <NFormItem v-if="formData.layout === 'hero_split' || formData.layout === 'mosaic'" :label="formData.layout === 'mosaic' ? '网格高度' : '最小高度'">
+          <div class="w-full flex flex-col gap-8px">
+            <NInputNumber
+              :value="(formData.config.min_height as number | null) ?? null"
+              :min="0"
+              :max="1200"
+              :step="20"
+              class="w-full"
+              clearable
+              :placeholder="formData.layout === 'mosaic' ? '留空 = 默认 16:9 宽高比' : '留空 = 首屏高度（默认）'"
+              @update:value="v => (formData.config.min_height = v)"
+            >
+              <template #suffix>px</template>
+            </NInputNumber>
+            <span class="text-12px opacity-60">
+              <template v-if="formData.layout === 'mosaic'">仅桌面端生效。留空 = 默认 16:9 宽高比；填数值 = 网格固定高度（px），素材自动裁剪填充，可调低区块高度；移动端保持单列堆叠不变</template>
+              <template v-else>仅主视觉分屏布局生效。留空 = 沿用首屏高度（至少 680px 约一屏）；0 = 完全自适应内容（去上下内边距，区块高度严格等于内容高度）；填数值 = 自定义最小高度</template>
+            </span>
+          </div>
+        </NFormItem>
         <NDivider>文案颜色（留空=跟随主题默认色）</NDivider>
         <NFormItem label="Overline 颜色">
           <ColorInput v-model:value="formData.overline_color" />
@@ -607,26 +664,6 @@ onMounted(loadData);
             <NRadio v-for="opt in bgFitOptions" :key="opt.value" :value="opt.value">{{ opt.label }}</NRadio>
           </NRadioGroup>
         </NFormItem>
-        <NFormItem v-if="formData.layout === 'hero_split' || formData.layout === 'mosaic'" :label="formData.layout === 'mosaic' ? '网格高度' : '最小高度'">
-          <div class="w-full flex flex-col gap-8px">
-            <NInputNumber
-              :value="(formData.config.min_height as number | null) ?? null"
-              :min="0"
-              :max="1200"
-              :step="20"
-              class="w-full"
-              clearable
-              :placeholder="formData.layout === 'mosaic' ? '留空 = 默认 16:9 宽高比' : '留空 = 首屏高度（默认）'"
-              @update:value="v => (formData.config.min_height = v)"
-            >
-              <template #suffix>px</template>
-            </NInputNumber>
-            <span class="text-12px opacity-60">
-              <template v-if="formData.layout === 'mosaic'">仅桌面端生效。留空 = 默认 16:9 宽高比；填数值 = 网格固定高度（px），素材自动裁剪填充，可调低区块高度；移动端保持单列堆叠不变</template>
-              <template v-else>仅主视觉分屏布局生效。留空 = 沿用首屏高度（至少 680px 约一屏）；0 = 完全自适应内容（去上下内边距，区块高度严格等于内容高度）；填数值 = 自定义最小高度</template>
-            </span>
-          </div>
-        </NFormItem>
         <NFormItem v-if="formData.layout === 'hero_split' || formData.layout === 'title_media'" label="文案位置">
           <div class="w-full flex flex-col gap-8px">
             <div class="grid grid-cols-3 gap-4px">
@@ -739,6 +776,40 @@ onMounted(loadData);
             </div>
           </NFormItem>
         </template>
+        <template v-else-if="formData.layout === 'marquee'">
+          <NFormItem label="切换间隔">
+            <div class="w-full flex flex-col gap-8px">
+              <NInputNumber
+                :value="(formData.config.marquee_interval as number) ?? 3"
+                :min="1"
+                :max="60"
+                :step="1"
+                class="w-full"
+                @update:value="v => (formData.config.marquee_interval = v ?? 3)"
+              >
+                <template #suffix>秒</template>
+              </NInputNumber>
+              <span class="text-12px opacity-60">相邻素材自动切换的时间间隔（1~60 秒），默认 3 秒</span>
+            </div>
+          </NFormItem>
+          <NFormItem v-for="(item, idx) in marqueeItems" :key="idx" :label="`素材 ${idx + 1}`">
+            <div class="w-full flex flex-col gap-8px">
+              <div class="flex items-center justify-between">
+                <NRadioGroup v-model:value="item.type">
+                  <NRadio value="image">图片</NRadio>
+                  <NRadio value="video">视频</NRadio>
+                </NRadioGroup>
+                <NButton v-if="marqueeItems.length > 1" text type="error" size="tiny" @click="handleRemoveMarqueeItem(idx)">删除</NButton>
+              </div>
+              <MediaSelectInput v-model:value="item.media_zh" :file-type="item.type === 'video' ? 'video' : 'image'" :maxlength="500" placeholder="素材（中）" />
+              <MediaSelectInput v-model:value="item.media_en" :file-type="item.type === 'video' ? 'video' : 'image'" :maxlength="500" placeholder="素材（英，留空回退中文素材）" />
+              <NInput v-model:value="item.link" :maxlength="500" placeholder="跳转链接（可选，点击素材后新窗口打开）" />
+            </div>
+          </NFormItem>
+          <NFormItem label="操作">
+            <NButton :disabled="marqueeItems.length >= 5" @click="handleAddMarqueeItem">+ 添加素材（{{ marqueeItems.length }}/5）</NButton>
+          </NFormItem>
+        </template>
         <template v-else>
           <NFormItem label="图片（中）">
             <MediaSelectInput v-model:value="formData.media_url_zh" file-type="image" :maxlength="500" placeholder="素材路径（支持 /uploads/... 相对路径）" />
diff --git a/www/app/assets/css/main.css b/www/app/assets/css/main.css
index 1c19697..b88ac1a 100644
--- a/www/app/assets/css/main.css
+++ b/www/app/assets/css/main.css
@@ -17,7 +17,11 @@ html {
 
 body {
   margin: 0;
+  /* 正文/UI：英文走 Inter，中文走 Noto Sans SC（已按 unicode-range 拆分按需下载），
+     未加载完成时回退系统字体（macOS PingFang / Windows 微软雅黑），font-display: swap 不阻塞渲染 */
   font-family:
+    'Inter',
+    'Noto Sans SC',
     -apple-system,
     BlinkMacSystemFont,
     'Segoe UI',
@@ -30,6 +34,13 @@ body {
     sans-serif;
 }
 
+/* 品牌大标题字体：英文走 Space Grotesk，中文走 Noto Sans SC（标题元素 font-weight 多为 700，
+   复用正文已加载的 700 字重 CJK 子集，零额外体积）。富文本内标题由 .rich-text 规则还原为正文字体，保证可读性。 */
+h1,
+section h2 {
+  font-family: 'Space Grotesk', 'Noto Sans SC', sans-serif;
+}
+
 /* 链接统一下划线重置，避免浏览器默认样式 */
 a {
   text-decoration: none;
@@ -73,6 +84,8 @@ section h2 {
   margin: 0.6em 0;
   font-weight: 700;
   line-height: 1.3;
+  /* 还原为正文字体，覆盖 h1/section h2 的标题字体（选择器优先级更高） */
+  font-family: 'Inter', 'Noto Sans SC', sans-serif;
 }
 .rich-text h1 {
   font-size: 1.6em;
diff --git a/www/app/components/section/SectionRenderer.vue b/www/app/components/section/SectionRenderer.vue
index a355e9d..b017a47 100644
--- a/www/app/components/section/SectionRenderer.vue
+++ b/www/app/components/section/SectionRenderer.vue
@@ -8,11 +8,9 @@ import LayoutFeatureGrid from './layouts/LayoutFeatureGrid.vue';
 import LayoutSplitContent from './layouts/LayoutSplitContent.vue';
 import LayoutGallery from './layouts/LayoutGallery.vue';
 import LayoutStats from './layouts/LayoutStats.vue';
-import LayoutVideoShowcase from './layouts/LayoutVideoShowcase.vue';
 import LayoutTitleMedia from './layouts/LayoutTitleMedia.vue';
 import LayoutMosaic from './layouts/LayoutMosaic.vue';
-import LayoutScrollNarrative from './layouts/LayoutScrollNarrative.vue';
-import LayoutQuote from './layouts/LayoutQuote.vue';
+import LayoutMarquee from './layouts/LayoutMarquee.vue';
 import LayoutSpecTable from './layouts/LayoutSpecTable.vue';
 
 const props = defineProps<{ section: SectionBlock }>();
@@ -25,11 +23,9 @@ const layoutComponents: Record<SectionLayout, unknown> = {
   split_content: LayoutSplitContent,
   gallery: LayoutGallery,
   stats: LayoutStats,
-  video_showcase: LayoutVideoShowcase,
   title_media: LayoutTitleMedia,
   mosaic: LayoutMosaic,
-  scroll_narrative: LayoutScrollNarrative,
-  quote: LayoutQuote,
+  marquee: LayoutMarquee,
   spec_table: LayoutSpecTable
 };
 
diff --git a/www/app/components/section/layouts/LayoutMarquee.vue b/www/app/components/section/layouts/LayoutMarquee.vue
new file mode 100644
index 0000000..1afa7b2
--- /dev/null
+++ b/www/app/components/section/layouts/LayoutMarquee.vue
@@ -0,0 +1,95 @@
+<script setup lang="ts">
+import type { SectionBlock } from '~/types/site';
+import { resolveAssetUrl } from '~/utils/resolveAssetUrl';
+
+const props = defineProps<{ section: SectionBlock }>();
+
+const { overline, title, subtitle, config, isEn, isDark, overlineStyle, titleStyle, bodyStyle } = useSectionContent(props.section);
+
+// 轮播素材（config.marquee_items）：media_zh/_en 以语言后缀结尾，不命中数据层 resolveAssetUrls，需手动解析相对路径；最多 5 个
+const items = computed(() => {
+  const raw = (config.value.marquee_items ?? []) as Array<{ type?: string; media_zh?: string; media_en?: string; link?: string }>;
+  return raw
+    .slice(0, 5)
+    .map(it => {
+      const src = (isEn.value ? it.media_en || it.media_zh : it.media_zh || it.media_en) || '';
+      return { type: it.type === 'video' ? 'video' : 'image', url: resolveAssetUrl(src), link: (it.link || '').trim() };
+    })
+    .filter(it => !!it.url);
+});
+
+// 点击素材：若配置了跳转链接则新窗口打开
+function handleItemClick(item: { link?: string }) {
+  if (item.link) window.open(item.link, '_blank', 'noopener');
+}
+
+// 切换间隔（config.marquee_interval，秒）：默认 3s，限制 1-60
+const interval = computed(() => {
+  const v = Number(config.value.marquee_interval);
+  return Number.isFinite(v) && v >= 1 ? Math.min(v, 60) : 3;
+});
+
+const current = ref(0);
+
+let timer: ReturnType<typeof setInterval> | null = null;
+function stopTimer() {
+  if (timer) {
+    clearInterval(timer);
+    timer = null;
+  }
+}
+// 素材/间隔变化时重启计时器，并收敛下标防越界
+function startTimer() {
+  stopTimer();
+  if (current.value >= items.value.length) current.value = 0;
+  if (items.value.length < 2) return;
+  timer = setInterval(() => {
+    current.value = (current.value + 1) % items.value.length;
+  }, interval.value * 1000);
+}
+watch([items, interval], startTimer, { immediate: true });
+onBeforeUnmount(stopTimer);
+</script>
+
+<template>
+  <div class="section-container py-[var(--sec-py,96px)]">
+    <!-- 标题区 -->
+    <div v-if="overline || title || subtitle" 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 }}
+      </p>
+      <h2 class="mt-12px font-bold" :class="isDark ? 'text-white' : 'text-gray-900 dark:text-white'" :style="titleStyle">
+        {{ title }}
+      </h2>
+      <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>
+
+    <!-- 轮播容器：淡入淡出切换 -->
+    <div v-if="items.length" class="relative overflow-hidden rounded-16px bg-gray-100 dark:bg-gray-800 aspect-16/9">
+      <div
+        v-for="(item, idx) in items"
+        :key="idx"
+        class="absolute inset-0 transition-opacity duration-500"
+        :class="[idx === current ? 'opacity-100' : 'opacity-0 pointer-events-none', item.link ? 'cursor-pointer' : '']"
+        @click="handleItemClick(item)"
+      >
+        <video v-if="item.type === 'video'" :src="item.url" class="w-full h-full object-cover" autoplay muted loop playsinline preload="metadata" />
+        <img v-else :src="item.url" :alt="title" class="w-full h-full object-cover" loading="lazy" />
+      </div>
+
+      <!-- 指示点（可点击切换） -->
+      <div v-if="items.length > 1" class="absolute bottom-16px left-0 right-0 flex justify-center gap-8px">
+        <button
+          v-for="(item, idx) in items"
+          :key="idx"
+          type="button"
+          class="h-8px rounded-full transition-all"
+          :class="idx === current ? 'w-24px bg-white' : 'w-8px bg-white/50'"
+          @click="current = idx"
+        />
+      </div>
+    </div>
+  </div>
+</template>
diff --git a/www/app/components/section/layouts/LayoutQuote.vue b/www/app/components/section/layouts/LayoutQuote.vue
deleted file mode 100644
index 95e2681..0000000
--- a/www/app/components/section/layouts/LayoutQuote.vue
+++ /dev/null
@@ -1,23 +0,0 @@
-<script setup lang="ts">
-import type { SectionBlock } from '~/types/site';
-
-const props = defineProps<{ section: SectionBlock }>();
-
-// 引言评价：正文 content 作为引用语，subtitle 作为作者/出处
-const { content, subtitle, isDark, titleStyle, bodyStyle } = useSectionContent(props.section);
-</script>
-
-<template>
-  <div class="section-container py-[var(--sec-py,96px)] flex-col-center text-center max-w-800px">
-    <span class="text-6xl leading-none font-serif" :class="isDark ? 'text-primary-300' : 'text-primary'">“</span>
-    <blockquote
-      class="rich-text mt-8px text-2xl md:text-3xl font-medium leading-relaxed"
-      :class="isDark ? 'text-white' : 'text-gray-900 dark:text-white'"
-      :style="titleStyle"
-      v-html="content"
-    />
-    <p v-if="subtitle" class="mt-24px text-sm tracking-wide" :class="isDark ? 'text-gray-400' : 'text-gray-500 dark:text-gray-400'" :style="bodyStyle">
-      —— {{ subtitle }}
-    </p>
-  </div>
-</template>
diff --git a/www/app/components/section/layouts/LayoutScrollNarrative.vue b/www/app/components/section/layouts/LayoutScrollNarrative.vue
deleted file mode 100644
index 3918e7d..0000000
--- a/www/app/components/section/layouts/LayoutScrollNarrative.vue
+++ /dev/null
@@ -1,53 +0,0 @@
-<script setup lang="ts">
-import type { SectionBlock } from '~/types/site';
-
-const props = defineProps<{ section: SectionBlock }>();
-
-const { overline, title, subtitle, config, isEn, isDark, overlineStyle, titleStyle, bodyStyle } = useSectionContent(props.section);
-
-const steps = computed(() => config.value.steps ?? []);
-</script>
-
-<template>
-  <div class="section-container py-[var(--sec-py,96px)]">
-    <!-- 标题区 -->
-    <div class="text-center max-w-640px mx-auto mb-64px">
-      <p v-if="overline" class="text-14px font-semibold tracking-widest uppercase" :class="isDark ? 'text-primary-300' : 'text-primary'" :style="overlineStyle">
-        {{ overline }}
-      </p>
-      <h2 class="mt-12px font-bold" :class="isDark ? 'text-white' : 'text-gray-900 dark:text-white'" :style="titleStyle">
-        {{ title }}
-      </h2>
-      <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>
-
-    <!-- 步骤叙事 -->
-    <div class="flex flex-col gap-64px max-w-960px mx-auto">
-      <div
-        v-for="(step, idx) in steps"
-        :key="idx"
-        class="grid md:grid-cols-2 gap-32px items-center"
-      >
-        <!-- 文案 -->
-        <div class="flex flex-col gap-12px" :class="idx % 2 === 1 ? 'md:order-2' : ''">
-          <span class="text-4xl font-bold opacity-20" :class="isDark ? 'text-white' : 'text-gray-900'">
-            {{ String(idx + 1).padStart(2, '0') }}
-          </span>
-          <h3 class="text-xl font-semibold" :class="isDark ? 'text-white' : 'text-gray-900 dark:text-white'" :style="titleStyle">
-            {{ isEn ? step.title_en : step.title_zh }}
-          </h3>
-          <p class="text-15px leading-relaxed" :class="isDark ? 'text-gray-400' : 'text-gray-500 dark:text-gray-400'" :style="bodyStyle">
-            {{ isEn ? step.desc_en : step.desc_zh }}
-          </p>
-        </div>
-
-        <!-- 配图 -->
-        <div v-if="step.image_url" :class="idx % 2 === 1 ? 'md:order-1' : ''">
-          <img :src="step.image_url" :alt="isEn ? step.title_en : step.title_zh" class="w-full rounded-16px object-cover shadow-md" />
-        </div>
-      </div>
-    </div>
-  </div>
-</template>
diff --git a/www/app/components/section/layouts/LayoutVideoShowcase.vue b/www/app/components/section/layouts/LayoutVideoShowcase.vue
deleted file mode 100644
index 8faaa71..0000000
--- a/www/app/components/section/layouts/LayoutVideoShowcase.vue
+++ /dev/null
@@ -1,46 +0,0 @@
-<script setup lang="ts">
-import type { SectionBlock } from '~/types/site';
-
-const props = defineProps<{ section: SectionBlock }>();
-
-const { overline, title, subtitle, isDark, overlineStyle, titleStyle, bodyStyle } = useSectionContent(props.section);
-
-// 判断是否为可嵌入的 iframe 视频（YouTube / Bilibili）
-const isEmbed = computed(() => /youtube\.com|youtu\.be|bilibili\.com|player\.bilibili\.com/.test(props.section.video_url));
-</script>
-
-<template>
-  <div class="section-container py-[var(--sec-py,96px)]">
-    <!-- 标题区 -->
-    <div class="text-center max-w-640px mx-auto mb-48px">
-      <p v-if="overline" class="text-14px font-semibold tracking-widest uppercase" :class="isDark ? 'text-primary-300' : 'text-primary'" :style="overlineStyle">
-        {{ overline }}
-      </p>
-      <h2 class="mt-12px font-bold" :class="isDark ? 'text-white' : 'text-gray-900 dark:text-white'" :style="titleStyle">
-        {{ title }}
-      </h2>
-      <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>
-
-    <!-- 视频 -->
-    <div class="max-w-960px mx-auto rounded-16px overflow-hidden shadow-xl bg-black aspect-16/9">
-      <iframe
-        v-if="isEmbed"
-        :src="section.video_url"
-        class="w-full h-full"
-        frameborder="0"
-        allowfullscreen
-        scrolling="no"
-      />
-      <video
-        v-else-if="section.video_url"
-        :src="section.video_url"
-        class="w-full h-full object-cover"
-        controls
-        playsinline
-      />
-    </div>
-  </div>
-</template>
diff --git a/www/app/types/site.ts b/www/app/types/site.ts
index c2c2866..3e5d027 100644
--- a/www/app/types/site.ts
+++ b/www/app/types/site.ts
@@ -83,11 +83,9 @@ export type SectionLayout =
   | 'split_content'
   | 'gallery'
   | 'stats'
-  | 'video_showcase'
   | 'title_media'
   | 'mosaic'
-  | 'scroll_narrative'
-  | 'quote'
+  | 'marquee'
   | 'spec_table';
 
 export interface SpecItem {
@@ -147,12 +145,24 @@ export interface MosaicItem {
   media_en: string;
 }
 
+// 跑马灯布局轮播素材（config.marquee_items）：图片/视频，最多 5 个
+export interface MarqueeItem {
+  type: 'image' | 'video';
+  media_zh: string;
+  media_en: string;
+  /** 可选跳转链接 */
+  link?: string;
+}
+
 export interface SectionConfig {
   features?: FeatureItem[];
   stats?: StatItem[];
   steps?: NarrativeStep[];
   images?: GalleryImage[];
   mosaic_items?: MosaicItem[];
+  marquee_items?: MarqueeItem[];
+  /** 跑马灯切换间隔（秒） */
+  marquee_interval?: number;
   [key: string]: unknown;
 }
 
diff --git a/www/nuxt.config.ts b/www/nuxt.config.ts
index 0f713a6..b783a06 100644
--- a/www/nuxt.config.ts
+++ b/www/nuxt.config.ts
@@ -4,7 +4,17 @@ export default defineNuxtConfig({
 
   modules: ['@unocss/nuxt', '@nuxtjs/i18n', '@pinia/nuxt', '@vueuse/nuxt'],
 
-  css: ['~/assets/css/main.css'],
+  css: [
+    // Web 字体（fontsource，font-display: swap；CJK 已按 unicode-range 拆分，浏览器按页面字形按需下载）
+    // 正文/UI：Inter（英）+ Noto Sans SC（中）；品牌大标题：Space Grotesk（英）+ Noto Sans SC 700（中）
+    '@fontsource/inter/400.css',
+    '@fontsource/inter/500.css',
+    '@fontsource/inter/700.css',
+    '@fontsource/noto-sans-sc/400.css',
+    '@fontsource/noto-sans-sc/700.css',
+    '@fontsource/space-grotesk/700.css',
+    '~/assets/css/main.css',
+  ],
 
   // 生产构建（nuxt build/generate，NODE_ENV=production）走同源相对路径 /api，由 nginx 反代到 backend；
   // 开发（pnpm dev）直连本地后端。显式传入的 NUXT_PUBLIC_* 环境变量仍可覆盖。
diff --git a/www/package.json b/www/package.json
index a7c20e3..3927be6 100644
--- a/www/package.json
+++ b/www/package.json
@@ -11,6 +11,9 @@
     "typecheck": "nuxt typecheck"
   },
   "dependencies": {
+    "@fontsource/inter": "^5.3.0",
+    "@fontsource/noto-sans-sc": "^5.3.0",
+    "@fontsource/space-grotesk": "^5.3.0",
     "@iconify/vue": "^5.0.1",
     "@nuxtjs/i18n": "^10.5.0",
     "@pinia/nuxt": "^1.0.1",
diff --git a/www/pnpm-lock.yaml b/www/pnpm-lock.yaml
index 6f280cf..12553f5 100644
--- a/www/pnpm-lock.yaml
+++ b/www/pnpm-lock.yaml
@@ -8,6 +8,15 @@ importers:
 
   .:
     dependencies:
+      '@fontsource/inter':
+        specifier: ^5.3.0
+        version: 5.3.0
+      '@fontsource/noto-sans-sc':
+        specifier: ^5.3.0
+        version: 5.3.0
+      '@fontsource/space-grotesk':
+        specifier: ^5.3.0
+        version: 5.3.0
       '@iconify/vue':
         specifier: ^5.0.1
         version: 5.0.1(vue@3.5.40(typescript@5.8.2))
@@ -599,6 +608,15 @@ packages:
     resolution: {integrity: sha512-+CNAzxglkrpNf/kKywqQfk74QjtceuOE7Qm+AF8miRvPF/wmmK5+OJOgVh3AVTT3RP2mH3+FOaxlE5v72owk0A==}
     engines: {node: ^20.19.0 || ^22.13.0 || >=24}
 
+  '@fontsource/inter@5.3.0':
+    resolution: {integrity: sha512-RofMylZmjlJEfELXeNHFWBRcSs75rGU/6bV2S2jfnvv/3rPXPGe0LgUJTklcHZ9lM4OZmAVFhcJPnACfb91A3g==}
+
+  '@fontsource/noto-sans-sc@5.3.0':
+    resolution: {integrity: sha512-HeqIlGm0+ohOKxZLuHj1qW6r6avHH0OWdKERAcSDI0RQ+MXrteuLKA+M+5eOA8rYy0MFvOR5AT0fQo2rUkye0Q==}
+
+  '@fontsource/space-grotesk@5.3.0':
+    resolution: {integrity: sha512-ksnGizDPXIDuvqcTYTSrmZ+evx9sDlS8rp7+42BQ7wU+spt3twEoXfbJz672C+5CLg6VeUQwRy5RXshWb67LcQ==}
+
   '@humanfs/core@0.19.2':
     resolution: {integrity: sha512-UhXNm+CFMWcbChXywFwkmhqjs3PRCmcSa/hfBgLIb7oQ5HNb1wS0icWsGtSAUNgefHeI+eBrA8I1fxmbHsGdvA==}
     engines: {node: '>=18.18.0'}
@@ -5205,6 +5223,12 @@ snapshots:
       '@eslint/core': 1.2.1
       levn: 0.4.1
 
+  '@fontsource/inter@5.3.0': {}
+
+  '@fontsource/noto-sans-sc@5.3.0': {}
+
+  '@fontsource/space-grotesk@5.3.0': {}
+
   '@humanfs/core@0.19.2':
     dependencies:
       '@humanfs/types': 0.15.0