diff --git a/frontend-web/src/components/workspace/input-box.tsx b/frontend-web/src/components/workspace/input-box.tsx
index cd61334e..73a18a89 100644
--- a/frontend-web/src/components/workspace/input-box.tsx
+++ b/frontend-web/src/components/workspace/input-box.tsx
@@ -2,14 +2,18 @@
 
 import type { ChatStatus } from "ai";
 import {
+  BarChart3Icon,
   BrainCircuitIcon,
   BookMarkedIcon,
   CheckIcon,
+  ClipboardCheckIcon,
   FileTextIcon,
   GraduationCapIcon,
   LightbulbIcon,
+  MessageCircleQuestionIcon,
   PaperclipIcon,
   PlusIcon,
+  RefreshCwIcon,
   ShrinkIcon,
   SparklesIcon,
   RocketIcon,
@@ -105,6 +109,56 @@ import { ModeHoverGuide } from "./mode-hover-guide";
 import { Tooltip } from "./tooltip";
 
 type InputMode = "flash" | "thinking" | "pro" | "ultra";
+const COMPACT_QUICK_STARTS = [
+  {
+    id: "report",
+    title: "撰写报告",
+    content: "请帮我撰写一份结构清晰的专业报告，先向我确认主题、受众和篇幅要求。",
+    icon: FileTextIcon,
+  },
+  {
+    id: "knowledge",
+    title: "知识问答",
+    content: "请基于已有资料回答我的问题，并明确区分已知事实、推断和需要补充的信息。",
+    icon: MessageCircleQuestionIcon,
+  },
+  {
+    id: "planning",
+    title: "任务规划",
+    content: "请把我的目标拆解为可执行的任务计划，列出优先级、里程碑和风险。",
+    icon: ClipboardCheckIcon,
+  },
+  {
+    id: "analysis",
+    title: "数据分析",
+    content: "请帮我分析数据中的关键趋势、异常和可能原因，并给出下一步验证建议。",
+    icon: BarChart3Icon,
+  },
+  {
+    id: "solution",
+    title: "方案策划",
+    content: "请围绕我的目标设计一套完整方案，包含背景、目标、实施步骤、资源需求和风险预案。",
+    icon: LightbulbIcon,
+  },
+  {
+    id: "summary",
+    title: "内容总结",
+    content: "请提炼我提供内容的核心观点、关键结论和待办事项，并按重要程度整理。",
+    icon: BookMarkedIcon,
+  },
+  {
+    id: "research",
+    title: "调研提纲",
+    content: "请根据我的调研主题生成一份结构完整的调研提纲，覆盖对象、问题、方法和输出形式。",
+    icon: GraduationCapIcon,
+  },
+  {
+    id: "polish",
+    title: "文案润色",
+    content: "请在不改变原意的前提下润色我提供的内容，使表达更清晰、专业、简洁。",
+    icon: SparklesIcon,
+  },
+] as const;
 
 
 function getResolvedMode(
@@ -227,6 +281,7 @@ export function InputBox({
   const wasStreamingRef = useRef(false);
 
   const [confirmOpen, setConfirmOpen] = useState(false);
+  const [compactPromptOrder, setCompactPromptOrder] = useState(0);
   const [pendingSuggestion, setPendingSuggestion] = useState<string | null>(
     null,
   );
@@ -237,6 +292,29 @@ export function InputBox({
     !hideAdminRecommendedQuestions &&
     !userPreferences.hide_admin_prompt_prefix &&
     recommendedQuestions.length > 0;
+  const compactQuickStarts = useMemo(() => {
+    if (showAdminRecommendedQuestions) {
+      return recommendedQuestions.map((configured, index) => {
+        const fallback =
+          COMPACT_QUICK_STARTS[index % COMPACT_QUICK_STARTS.length]!;
+        return {
+          ...fallback,
+          id: configured.id,
+          title: desensitize(configured.title) || `提示词 ${index + 1}`,
+          content: configured.content || fallback.content,
+        };
+      });
+    }
+    return [...COMPACT_QUICK_STARTS];
+  }, [recommendedQuestions, showAdminRecommendedQuestions]);
+  const orderedCompactQuickStarts = useMemo(() => {
+    if (compactQuickStarts.length < 2) return compactQuickStarts;
+    const offset = compactPromptOrder % compactQuickStarts.length;
+    return [
+      ...compactQuickStarts.slice(offset),
+      ...compactQuickStarts.slice(0, offset),
+    ];
+  }, [compactPromptOrder, compactQuickStarts]);
 
   useEffect(() => {
     // Multi-round RAG is a frontend execution profile, not a model option.
@@ -593,14 +671,53 @@ export function InputBox({
   }, [context.model_name, disabled, isMock, selectedSingleRoundRag, status, thread.messages, threadId]);
 
   return (
-    <div ref={promptRootRef} className="relative flex flex-col gap-6">
+    <div ref={promptRootRef} className={cn("relative flex flex-col", compact ? "gap-[clamp(32px,6vh,58px)]" : "gap-6")}>
       {extraHeader && (
         <div className="flex items-center justify-center">
           {extraHeader}
         </div>
       )}
 
-      {isNewThread && searchParams.get("mode") !== "skill" && showAdminRecommendedQuestions && (
+      {isNewThread && searchParams.get("mode") !== "skill" && compact && (
+        <section className="px-2" aria-labelledby="recommended-prompts-title">
+          <div className="mb-3 flex items-center justify-center gap-1.5">
+            <h2 id="recommended-prompts-title" className="text-[14px] font-normal text-slate-400 dark:text-slate-500">
+              你可以这样问我
+            </h2>
+            <button
+              type="button"
+              data-prompt-order-refresh="true"
+              title="调整提示词顺序"
+              aria-label="调整提示词顺序"
+              onClick={() => setCompactPromptOrder((current) => current + 1)}
+              className="flex size-7 items-center justify-center rounded-full text-slate-400 transition-colors hover:bg-slate-100 hover:text-primary focus-visible:outline-none focus-visible:ring-4 focus-visible:ring-primary/15 dark:hover:bg-slate-800 dark:hover:text-primary"
+            >
+              <RefreshCwIcon className="size-3.5" strokeWidth={1.8} />
+            </button>
+          </div>
+          <div className="mx-auto flex max-w-[900px] flex-wrap justify-center gap-x-3 gap-y-3">
+            {orderedCompactQuickStarts.map((item) => (
+              <button
+                key={item.id}
+                type="button"
+                data-quick-prompt={item.id}
+                title={item.content}
+                className="inline-flex min-h-11 max-w-full items-center justify-center rounded-xl border border-[#e5e7eb] bg-white px-4 py-2 text-center text-[14px] font-normal leading-5 text-slate-700 shadow-[0_2px_6px_rgba(15,23,42,0.025)] transition-[background-color,border-color,box-shadow] hover:border-primary/25 hover:bg-primary/5 hover:text-slate-900 hover:shadow-[0_4px_10px_rgba(15,23,42,0.04)] focus-visible:outline-none focus-visible:ring-4 focus-visible:ring-primary/15 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-200 dark:hover:border-primary/35 dark:hover:bg-primary/10"
+                onClick={() => {
+                  textInput.setInput(item.content);
+                  requestAnimationFrame(() =>
+                    document.querySelector<HTMLTextAreaElement>("textarea[name='message']")?.focus(),
+                  );
+                }}
+              >
+                <span className="max-w-full whitespace-normal">{item.title}</span>
+              </button>
+            ))}
+          </div>
+        </section>
+      )}
+
+      {isNewThread && searchParams.get("mode") !== "skill" && !compact && showAdminRecommendedQuestions && (
         <div className="flex flex-wrap justify-center gap-2.5 px-4 mb-[10px]">
           {recommendedQuestions.map((q) => (
             <button
@@ -653,7 +770,8 @@ export function InputBox({
       <div className="flex flex-col gap-1.5">
       {isNewThread && (
         <CustomPromptBar
-          className="px-1"
+          compact={compact}
+          className={cn(compact ? "px-2" : "px-1")}
           currentAgentId={agentSelector?.selectedAgentId ?? assistantId ?? null}
           onInsert={(content) => {
             const current = textInput.value?.trim() ?? "";
@@ -677,7 +795,7 @@ export function InputBox({
             : "*:data-[slot='input-group']:rounded-3xl",
           // 紧凑落地态（CM 参考图）：白卡 + 细边 + 轻阴影 + 主色聚焦环（无旋转彩边）
           compact && isNewThread
-            ? "rounded-2xl border border-gray-200/70 bg-white overflow-hidden shadow-[0_4.5px_22px_rgba(0,0,0,0.025)] transition-all duration-300 focus-within:border-[rgb(var(--legacy-primary-rgb)/35%)] focus-within:ring-4 focus-within:ring-[rgb(var(--legacy-primary-rgb)/5%)] focus-within:shadow-[0_10px_35px_rgb(var(--legacy-primary-rgb)/4%)] dark:border-slate-700 dark:bg-slate-800"
+            ? "overflow-hidden rounded-[24px] border border-slate-200/90 bg-white shadow-[0_18px_50px_-32px_rgba(15,23,42,0.22),0_8px_24px_-20px_rgba(15,23,42,0.35)] transition-all duration-300 focus-within:border-primary/35 focus-within:ring-4 focus-within:ring-primary/10 dark:border-slate-700 dark:bg-slate-800"
             : // landing 态：透明，让外层 gemini-gradient-border 提供白卡 + 旋转描边
               // 对话态：常规白卡 + 中性边框 + 轻阴影
               isNewThread
@@ -701,7 +819,7 @@ export function InputBox({
             className={cn(
               "size-full px-2 py-1 text-[15px] leading-7 placeholder:text-muted-foreground/60",
               isNewThread && "min-h-[110px]!",
-              compact && "min-h-[84px]! px-3 pt-3 pb-1 text-[14px]",
+              compact && "min-h-[clamp(150px,18vh,176px)]! px-7 pt-7 pb-2 text-[15px]",
             )}
             disabled={disabled}
             placeholder={t.inputBox.placeholder}
@@ -712,7 +830,7 @@ export function InputBox({
         <PromptInputFooter
           className={cn(
             "flex items-center border-t-0 px-2 pt-1 pb-1.5",
-            compact && "gap-2 px-3 pt-1.5 pb-3",
+            compact && "gap-2 px-6 pt-2 pb-5",
           )}
         >
           <PromptInputTools
diff --git a/frontend-web/src/components/workspace/skill-display-sources.tsx b/frontend-web/src/components/workspace/skill-display-sources.tsx
index b3db288a..27b012cb 100644
--- a/frontend-web/src/components/workspace/skill-display-sources.tsx
+++ b/frontend-web/src/components/workspace/skill-display-sources.tsx
@@ -9,13 +9,21 @@ import {
   DialogTitle,
 } from "@/components/ui/dialog";
 import type { RuntimeDisplaySource } from "@/core/skill-display/runtime";
-import { resolveWeKnoraSourceTarget } from "@/core/llmwiki/source-links";
+import {
+  parseWeKnoraPreviewUrl,
+  resolveWeKnoraSourceTarget,
+} from "@/core/llmwiki/source-links";
 import { useLocalSettings } from "@/core/settings";
 import { useCitationDisplaySettings } from "@/core/system-settings/hooks";
 import { cn } from "@/lib/utils";
 import { useState } from "react";
 import { WeKnoraSourceDrawer } from "@/strategy-components/components/resource-management/llmwiki/WeKnoraSourceDrawer";
 
+/** Whether a source URL is an internal WeKnora preview pointer. */
+export function isWeKnoraSourcePreviewUrl(url?: string | null): boolean {
+  return parseWeKnoraPreviewUrl(url) !== null;
+}
+
 export function SkillDisplaySources({
   highlightedReferenceId,
   sources,
@@ -130,9 +138,9 @@ export function SourceCard({
           </div>
           {source.url && (
             previewTarget ? (
-              <span className="text-muted-foreground bg-muted mt-0.5 inline-flex shrink-0 items-center gap-1 rounded-md px-1.5 py-1 text-[11px] font-medium">
+              <span className="text-primary bg-primary/10 mt-0.5 inline-flex shrink-0 items-center gap-1 rounded-md px-1.5 py-1 text-[11px] font-medium">
                 <FileTextIcon className="size-3.5" />
-                知识库文档
+                查看原文
               </span>
             ) : (
               <ExternalLinkIcon className="text-muted-foreground/60 group-hover:text-primary mt-1 size-3.5 shrink-0 transition-colors" />
diff --git a/frontend-web/src/components/workspace/workspace-header.tsx b/frontend-web/src/components/workspace/workspace-header.tsx
index c66c26db..ea3afbf0 100644
--- a/frontend-web/src/components/workspace/workspace-header.tsx
+++ b/frontend-web/src/components/workspace/workspace-header.tsx
@@ -5,21 +5,24 @@ import Link from "next/link";
 
 import { Button } from "@/components/ui/button";
 import { useSidebar } from "@/components/ui/sidebar";
+import { useTheme } from "@/contexts/ThemeContext";
 import { useI18n } from "@/core/i18n/hooks";
 import { env } from "@/env";
 import { cn } from "@/lib/utils";
 
 function BrandMark({ className }: { className?: string }) {
+  const { theme } = useTheme();
+  const brandLogoSrc =
+    theme === "dark"
+      ? "/cm-assistant-logo.png"
+      : "/cm-assistant-logo-red.png";
+
   return (
-    <div
-      className={cn(
-        "bg-primary text-primary-foreground flex size-9 shrink-0 items-center justify-center rounded-lg text-sm font-bold shadow-sm",
-        className,
-      )}
-      aria-hidden
-    >
-      C
-    </div>
+    <img
+      src={brandLogoSrc}
+      alt="CM 助手"
+      className={cn("size-9 shrink-0 object-contain", className)}
+    />
   );
 }