diff --git a/components/agents/AgentGenerationWorkspaceDarkV2.tsx b/components/agents/AgentGenerationWorkspaceDarkV2.tsx
index 6a0278975..247cf739c 100644
--- a/components/agents/AgentGenerationWorkspaceDarkV2.tsx
+++ b/components/agents/AgentGenerationWorkspaceDarkV2.tsx
@@ -27,6 +27,7 @@ import {
   CollapsibleContent,
   CollapsibleTrigger,
 } from "@/components/ui/collapsible";
+import { Input } from "@/components/ui/input";
 import { Textarea } from "@/components/ui/textarea";
 import {
   Select,
@@ -2417,7 +2418,7 @@ export function AgentGenerationWorkspaceDarkV2({
                   </div>
 
                   <div className="mb-3 flex flex-col gap-2 sm:flex-row">
-                    <Textarea
+                    <Input
                       value={detailReplacementQueryInput}
                       onChange={(e) =>
                         updateDetailReplacementState({
@@ -2426,13 +2427,13 @@ export function AgentGenerationWorkspaceDarkV2({
                         })
                       }
                       placeholder={`输入 SPU，查询任务整套中的${detailReferenceSourceLabel}参考图`}
-                      className="min-h-[56px] resize-none rounded-[22px] border-white/10 bg-black/20 text-sm text-white placeholder:text-white/22 focus:border-emerald-400/30"
+                      className="h-12 rounded-[22px] border-white/10 bg-black/20 text-sm text-white placeholder:text-white/22 focus:border-emerald-400/30"
                     />
                     <Button
                       type="button"
                       onClick={handleDetailReplacementSearch}
                       disabled={detailReplacementSearchState.isLoading}
-                      className="h-14 rounded-[22px] bg-white/[0.04] px-5 text-sm text-white hover:bg-white/[0.08]"
+                      className="h-12 rounded-[22px] bg-white/[0.04] px-5 text-sm text-white hover:bg-white/[0.08]"
                     >
                       {detailReplacementSearchState.isLoading ? (
                         <>
@@ -2448,7 +2449,7 @@ export function AgentGenerationWorkspaceDarkV2({
                         type="button"
                         variant="outline"
                         onClick={handleClearDetailReferenceCards}
-                        className="h-14 rounded-[22px] border-white/10 bg-white/[0.03] px-5 text-sm text-white hover:bg-white/[0.08]"
+                        className="h-12 rounded-[22px] border-white/10 bg-white/[0.03] px-5 text-sm text-white hover:bg-white/[0.08]"
                       >
                         清空参考图
                       </Button>
@@ -2480,7 +2481,7 @@ export function AgentGenerationWorkspaceDarkV2({
                           默认载入最新一套，可随时切换
                         </div>
                       </div>
-                      <div className="agent-dark-scrollbar grid max-h-[360px] grid-cols-2 gap-3 overflow-y-auto pr-1 xl:grid-cols-4">
+                      <div className="agent-dark-scrollbar grid max-h-[360px] grid-cols-1 gap-3 overflow-y-auto pr-1 xl:grid-cols-2">
                         {detailReplacementCandidates.map((candidate) => {
                           const isSelected = detailReplacementSelectedCandidateId === candidate.id;
                           const previewUrls = getCandidatePreviewUrls(
@@ -2488,6 +2489,7 @@ export function AgentGenerationWorkspaceDarkV2({
                             detailReferenceTarget,
                             4
                           );
+                          const primaryPreviewUrl = previewUrls[0] || getCandidatePreviewUrl(candidate, detailReferenceTarget);
                           return (
                             <button
                               key={candidate.id}
@@ -2500,55 +2502,52 @@ export function AgentGenerationWorkspaceDarkV2({
                                   : "border-white/10 bg-white/[0.03] hover:border-white/18"
                               )}
                             >
-                              <div className="relative overflow-hidden bg-[radial-gradient(circle_at_top,rgba(16,185,129,0.18),transparent_58%),linear-gradient(180deg,#0b0d0f_0%,#11161a_100%)] p-2.5">
-                                <div className="grid grid-cols-2 gap-2">
-                                  {Array.from({ length: 4 }).map((_, previewIndex) => {
-                                    const previewUrl = previewUrls[previewIndex];
-                                    return (
-                                      <div
-                                        key={`${candidate.id}-preview-${previewIndex}`}
-                                        className="aspect-[3/4] overflow-hidden rounded-[14px] border border-white/8 bg-black/20"
-                                      >
-                                        {previewUrl ? (
-                                          <img
-                                            src={buildPreviewImageUrl(previewUrl, 360)}
-                                            alt={`${candidate.sceneName || candidate.taskNo || candidate.productModel || "候选整套"} 预览 ${previewIndex + 1}`}
-                                            className="h-full w-full object-cover object-top"
-                                          />
-                                        ) : (
-                                          <div className="h-full w-full bg-[linear-gradient(180deg,rgba(255,255,255,0.03),rgba(255,255,255,0.01))]" />
-                                        )}
-                                      </div>
-                                    );
-                                  })}
-                                </div>
-                                <div className="absolute left-3 top-3 rounded-full border border-white/10 bg-black/45 px-2.5 py-1 text-[11px] text-white/78">
-                                  {getCandidateTargetCount(candidate, detailReferenceTarget)} 张{detailReferenceSourceLabel}
-                                </div>
-                                {isSelected ? (
-                                  <div className="absolute right-3 top-3 rounded-full border border-emerald-300/35 bg-emerald-500/[0.14] px-2.5 py-1 text-[11px] text-emerald-100">
-                                    当前使用
+                              <div className="flex items-stretch gap-3 bg-[radial-gradient(circle_at_top,rgba(16,185,129,0.18),transparent_58%),linear-gradient(180deg,#0b0d0f_0%,#11161a_100%)] p-3">
+                                <div className="relative w-[112px] shrink-0 overflow-hidden rounded-[16px] border border-white/8 bg-black/20 sm:w-[124px]">
+                                  <div className="aspect-[3/4]">
+                                    {primaryPreviewUrl ? (
+                                      <img
+                                        src={buildPreviewImageUrl(primaryPreviewUrl, 360)}
+                                        alt={candidate.sceneName || candidate.taskNo || candidate.productModel || "候选整套"}
+                                        className="h-full w-full object-cover object-top"
+                                      />
+                                    ) : (
+                                      <div className="h-full w-full bg-[linear-gradient(180deg,rgba(255,255,255,0.03),rgba(255,255,255,0.01))]" />
+                                    )}
+                                  </div>
+                                  <div className="absolute left-2 top-2 rounded-full border border-white/10 bg-black/50 px-2 py-0.5 text-[10px] text-white/78">
+                                    {getCandidateTargetCount(candidate, detailReferenceTarget)} 张
                                   </div>
-                                ) : null}
-                              </div>
-                              <div className="space-y-2 px-3 py-3">
-                                <div className="truncate text-[13px] font-medium text-white">
-                                  {candidate.sceneName || candidate.taskNo || candidate.productModel || "候选整套"}
                                 </div>
-                                <div className="line-clamp-2 text-[11px] leading-5 text-white/42">
-                                  {formatCandidateMeta(candidate, detailReferenceTarget) || `点击切换这套${detailReferenceSourceLabel}参考图`}
-                                </div>
-                                <div className="flex flex-wrap gap-1.5 text-[11px] text-white/48">
-                                  {candidate.shopName ? (
-                                    <span className="rounded-full bg-white/[0.05] px-2 py-1">
-                                      {candidate.shopName}
-                                    </span>
-                                  ) : null}
-                                  {candidate.categoryName ? (
-                                    <span className="rounded-full bg-white/[0.05] px-2 py-1">
-                                      {candidate.categoryName}
-                                    </span>
-                                  ) : null}
+                                <div className="min-w-0 flex-1 py-1">
+                                  <div className="flex items-start justify-between gap-2">
+                                    <div className="truncate text-sm font-medium text-white">
+                                      {candidate.sceneName || candidate.taskNo || candidate.productModel || "候选整套"}
+                                    </div>
+                                    {isSelected ? (
+                                      <div className="shrink-0 rounded-full border border-emerald-300/35 bg-emerald-500/[0.14] px-2.5 py-1 text-[11px] text-emerald-100">
+                                        当前使用
+                                      </div>
+                                    ) : null}
+                                  </div>
+                                  <div className="mt-2 line-clamp-3 text-[12px] leading-6 text-white/46">
+                                    {formatCandidateMeta(candidate, detailReferenceTarget) || `点击切换这套${detailReferenceSourceLabel}参考图`}
+                                  </div>
+                                  <div className="mt-3 flex flex-wrap gap-1.5 text-[11px] text-white/48">
+                                    {candidate.shopName ? (
+                                      <span className="rounded-full bg-white/[0.05] px-2 py-1">
+                                        {candidate.shopName}
+                                      </span>
+                                    ) : null}
+                                    {candidate.categoryName ? (
+                                      <span className="rounded-full bg-white/[0.05] px-2 py-1">
+                                        {candidate.categoryName}
+                                      </span>
+                                    ) : null}
+                                  </div>
+                                  <div className="mt-3 text-[11px] text-emerald-200/72">
+                                    点击后下方直接展开这套详情每一屏
+                                  </div>
                                 </div>
                               </div>
                             </button>
@@ -2851,7 +2850,7 @@ export function AgentGenerationWorkspaceDarkV2({
                   </div>
 
                   <div className="mb-3 flex flex-col gap-2 sm:flex-row">
-                    <Textarea
+                    <Input
                       value={skuReplacementQueryInput}
                       onChange={(e) =>
                         updateSkuReplacementState({
@@ -2859,13 +2858,13 @@ export function AgentGenerationWorkspaceDarkV2({
                         })
                       }
                       placeholder={`输入${skuReplacementQueryType === "spu" ? "SPU" : "SKU"}，查询任务整套中的${skuReferenceSourceLabel}参考图`}
-                      className="min-h-[56px] resize-none rounded-[22px] border-white/10 bg-black/20 text-sm text-white placeholder:text-white/22 focus:border-emerald-400/30"
+                      className="h-12 rounded-[22px] border-white/10 bg-black/20 text-sm text-white placeholder:text-white/22 focus:border-emerald-400/30"
                     />
                     <Button
                       type="button"
                       onClick={handleSkuReplacementSearch}
                       disabled={skuReplacementSearchState.isLoading}
-                      className="h-14 rounded-[22px] bg-white/[0.04] px-5 text-sm text-white hover:bg-white/[0.08]"
+                      className="h-12 rounded-[22px] bg-white/[0.04] px-5 text-sm text-white hover:bg-white/[0.08]"
                     >
                       {skuReplacementSearchState.isLoading ? (
                         <>
@@ -2881,7 +2880,7 @@ export function AgentGenerationWorkspaceDarkV2({
                         type="button"
                         variant="outline"
                         onClick={handleClearSkuReferenceCards}
-                        className="h-14 rounded-[22px] border-white/10 bg-white/[0.03] px-5 text-sm text-white hover:bg-white/[0.08]"
+                        className="h-12 rounded-[22px] border-white/10 bg-white/[0.03] px-5 text-sm text-white hover:bg-white/[0.08]"
                       >
                         清空参考图
                       </Button>