diff --git a/src/assets/jingdong/yindao.png b/src/assets/jingdong/yindao.png
new file mode 100644
index 0000000..4eb95f0
Binary files /dev/null and b/src/assets/jingdong/yindao.png differ
diff --git a/src/config/jingdong.ts b/src/config/jingdong.ts
index afaaac3..5bb79dd 100644
--- a/src/config/jingdong.ts
+++ b/src/config/jingdong.ts
@@ -1,6 +1,7 @@
 import logoAvatar from '@/assets/jingdong/logo-mark.png'
 import logoIcon from '@/assets/jingdong/logo_1.png'
 import userAvatar from '@/assets/jingdong/jingdong.png'
+import guideImage from '@/assets/jingdong/yindao.png'
 import caseOriginal from '@/assets/jingdong/原图.png'
 import caseEffect from '@/assets/jingdong/效果图.png'
 import caseScene from '@/assets/jingdong/场景图.png'
@@ -17,7 +18,7 @@ export const jingdongConfig = {
   brandName: '速哇手办制作Agent',
   primaryColor: '#3A8E4D',
   primarySoft: '#E8F5E9',
-  background: '#F5F5F5',
+  background: '#FFFFFF',
 
   images: {
     /** 顶栏 / Agent 对话头像 */
@@ -27,6 +28,8 @@ export const jingdongConfig = {
     userAvatar,
     /** 浏览器标签 favicon */
     logoIcon,
+    /** 对话引导图（照片要求） */
+    guide: guideImage,
     caseOriginal,
     caseEffect,
     caseScene,
@@ -43,18 +46,22 @@ export const jingdongConfig = {
   pollTimeoutMs: 5 * 60 * 1000,
 
   messages: {
-    welcome: '你好～先上传一张照片，我来帮你做成专属手办效果图。',
-    caseIntro: '先看看效果案例：原图 → 效果图 → 场景应用',
+    welcome: '你好，上传一张照片，或直接说说想做成什么样的手办。',
+    caseIntro: '上传照片前，先看下照片要求',
     caseLabels: ['原图', '效果图', '场景应用'] as const,
     placeholder: '描述你想要的手办，例如：橘猫，戴黄色围巾...',
-    placeholderNeedPhoto: '请先点击左侧按钮上传照片',
+    placeholderNeedPhoto: '描述你想要的手办，例如：橘猫，戴黄色围巾...',
     placeholderEditing: '说说想怎么改，例如：换成蓝色围巾、表情更开心…',
+    customTextLabel: '自定义文字',
+    customTextPlaceholder: '输入自定义文字...',
+    customTextMax: 18,
     defaultPrompt: '按所选产品、风格生成手办效果图～',
-    editingHint: '正在编辑效果图 · 描述想调整的地方后发送',
+    editingHint: '正在编辑效果图 · 输入文字描述想调整的地方',
     exitEdit: '退出编辑',
     view: '查看',
     edit: '编辑',
     buyNow: '立即购买',
+    buyDisabledTip: '编辑调整中，暂不可购买',
     buyToast: '购买功能即将开放',
     noRemain: '生图次数已用完，暂时无法继续生成',
     remainTip: (n: number) => (n > 0 ? `还可以生成 ${n} 次效果图` : '生图次数已用完'),
diff --git a/src/views/jingdong/components/ChatComposer.vue b/src/views/jingdong/components/ChatComposer.vue
index 568bd56..5e46b02 100644
--- a/src/views/jingdong/components/ChatComposer.vue
+++ b/src/views/jingdong/components/ChatComposer.vue
@@ -2,8 +2,8 @@
   <div class="composer">
     <div v-if="editing" class="composer__edit-bar">
       <span class="composer__edit-left">
-        <el-icon :size="14"><EditPen /></el-icon>
-        <span>{{ editingHint }}</span>
+        <el-icon class="composer__edit-icon" :size="14"><EditPen /></el-icon>
+        <span class="composer__edit-text">{{ editingHint }}</span>
       </span>
       <button class="composer__exit" type="button" @click="emit('exit-edit')">
         <el-icon :size="12"><Close /></el-icon>
@@ -13,7 +13,36 @@
 
     <p v-if="statusTip" class="composer__tip" :class="{ 'is-warn': tipWarn }">{{ statusTip }}</p>
 
-    <div ref="boxRef" class="composer__box" :class="{ 'is-editing': editing, 'is-disabled': disabled }">
+    <div
+      ref="boxRef"
+      class="composer__box"
+      :class="{ 'is-editing': editing, 'is-disabled': disabled, 'has-custom': !!titleSpec }"
+    >
+      <template v-if="titleSpec">
+        <div class="composer__custom" :class="{ 'is-invalid': titleInvalid }">
+          <label class="composer__custom-label" :for="titleInputId">
+            <el-icon class="composer__custom-icon" :size="14"><EditPen /></el-icon>
+            <span>{{ customLabel }}</span>
+          </label>
+          <input
+            :id="titleInputId"
+            class="composer__custom-input"
+            type="text"
+            :value="productTitle"
+            :maxlength="titleInputMaxlength"
+            :placeholder="customPlaceholder"
+            :disabled="disabled"
+            :aria-invalid="titleInvalid"
+            @input="onTitleInput"
+          />
+          <span class="composer__custom-count">{{ titleCount }}/{{ customMax }}</span>
+        </div>
+        <p v-if="titleSpec.hint" class="composer__custom-hint">{{ titleSpec.hint }}</p>
+        <p v-if="titleInvalid" class="composer__custom-error" role="alert">
+          请填写{{ customLabel }}
+        </p>
+      </template>
+
       <div v-if="previewUrl" ref="previewRef" class="composer__preview">
         <img class="composer__preview-img" :src="previewUrl" alt="已选图片" />
         <span v-if="inspecting" class="composer__preview-mask">识别中</span>
@@ -28,28 +57,6 @@
         </button>
       </div>
 
-      <div v-if="titleSpec" class="composer__title" :class="{ 'is-invalid': titleInvalid }">
-        <label class="composer__title-label" :for="titleInputId">{{ titleSpec.label }}</label>
-        <div class="composer__title-field">
-          <input
-            :id="titleInputId"
-            class="composer__title-input"
-            type="text"
-            :value="productTitle"
-            :maxlength="titleInputMaxlength"
-            :placeholder="titleSpec.placeholder"
-            :disabled="disabled"
-            :aria-invalid="titleInvalid"
-            @input="onTitleInput"
-          />
-          <span class="composer__title-count">{{ titleCount }} / {{ titleSpec.max }}</span>
-        </div>
-        <p v-if="titleSpec.hint" class="composer__title-hint">{{ titleSpec.hint }}</p>
-        <p v-if="titleInvalid" class="composer__title-error" role="alert">
-          请填写{{ titleSpec.label }}
-        </p>
-      </div>
-
       <textarea
         ref="textareaRef"
         class="composer__input"
@@ -69,7 +76,7 @@
           :disabled="disabled || editing || inspecting"
           @click="emit('upload')"
         >
-          <el-icon v-if="inspecting" class="is-loading" :size="26"><Loading /></el-icon>
+          <el-icon v-if="inspecting" class="is-loading" :size="28"><Loading /></el-icon>
           <el-icon v-else :size="28"><Picture /></el-icon>
         </button>
 
@@ -115,6 +122,9 @@ const props = withDefaults(
     placeholder?: string
     placeholderNeedPhoto?: string
     placeholderEditing?: string
+    customTextLabel?: string
+    customTextPlaceholder?: string
+    customTextMax?: number
     previewUrl?: string
     tags?: ComposerTag[]
     editing?: boolean
@@ -127,7 +137,7 @@ const props = withDefaults(
     /** 底部状态提示 */
     statusTip?: string
     tipWarn?: boolean
-    /** 产品标题规则（有值时展示标题输入） */
+    /** 产品标题规则（有值时参与校验 / 场景道具模式） */
     titleSpec?: ProductTitleSpec | null
     productTitle?: string
     /** 标题未填时高亮错误 */
@@ -136,8 +146,11 @@ const props = withDefaults(
   {
     modelValue: '',
     placeholder: '',
-    placeholderNeedPhoto: '请先点击左侧按钮上传照片',
+    placeholderNeedPhoto: '描述你想要的手办，例如：橘猫，戴黄色围巾...',
     placeholderEditing: '说说想怎么改…',
+    customTextLabel: '自定义文字',
+    customTextPlaceholder: '输入自定义文字...',
+    customTextMax: 18,
     previewUrl: '',
     tags: () => [],
     editing: false,
@@ -166,11 +179,23 @@ const emit = defineEmits<{
 const titleInputId = 'jd-composer-product-title'
 const isPropsTitle = computed(() => props.titleSpec?.mode === 'props')
 
+/** 按产品显示：场景道具 / 飘带标题 / 相框标题；无规则时回退自定义文字 */
+const customLabel = computed(
+  () => props.titleSpec?.label || props.customTextLabel || '自定义文字',
+)
+const customPlaceholder = computed(() => {
+  if (props.titleSpec?.placeholder) return props.titleSpec.placeholder
+  return props.customTextPlaceholder || '输入自定义文字...'
+})
+const customMax = computed(() => {
+  if (props.titleSpec) return props.titleSpec.max
+  return props.customTextMax || 18
+})
+
 /** 道具模式不按字符截断；字符模式仍用 max */
 const titleInputMaxlength = computed(() => {
-  if (!props.titleSpec) return undefined
-  if (props.titleSpec.mode === 'props') return undefined
-  return props.titleSpec.max
+  if (props.titleSpec?.mode === 'props') return undefined
+  return customMax.value
 })
 
 const titleCount = computed(() => {
@@ -273,33 +298,57 @@ defineExpose({ focus, getPreviewEl, getFlyTargetEl })
   display: flex;
   align-items: center;
   justify-content: space-between;
-  gap: 8px;
+  gap: 10px;
   margin-bottom: 8px;
-  padding: 8px 12px;
-  border-radius: 12px;
-  background: #eaf6ec;
-  color: #3a8e4d;
-  font-size: 12px;
+  padding: 8px 8px 8px 12px;
+  border-radius: 999px;
+  background: #f2f2f2;
+  box-sizing: border-box;
 }
 
 .composer__edit-left {
   display: inline-flex;
-  align-items: center;
+  align-items: flex-start;
   gap: 6px;
   min-width: 0;
+  flex: 1;
+}
+
+.composer__edit-icon {
+  flex-shrink: 0;
+  margin-top: 1px;
+  color: #3a8e4d;
+}
+
+.composer__edit-text {
+  min-width: 0;
+  color: #3a8e4d;
+  font-size: 12px;
+  font-weight: 500;
+  line-height: 1.4;
 }
 
 .composer__exit {
   display: inline-flex;
   align-items: center;
-  gap: 3px;
+  justify-content: center;
+  gap: 4px;
   flex-shrink: 0;
+  height: 28px;
+  padding: 0 10px;
   border: 0;
-  background: transparent;
-  color: #3a8e4d;
+  border-radius: 999px;
+  background: #ffffff;
+  color: #1a1a1a;
   font-size: 12px;
+  font-weight: 500;
+  line-height: 1;
   cursor: pointer;
-  padding: 0;
+  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
+
+  &:active {
+    opacity: 0.88;
+  }
 }
 
 .composer__box {
@@ -308,6 +357,7 @@ defineExpose({ focus, getPreviewEl, getFlyTargetEl })
   background: #ffffff;
   border: 1px solid #ebebeb;
   box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
+  box-sizing: border-box;
   transition: border-color 0.2s ease, box-shadow 0.2s ease;
 
   &.is-editing {
@@ -320,6 +370,90 @@ defineExpose({ focus, getPreviewEl, getFlyTargetEl })
   }
 }
 
+.composer__custom {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  min-width: 0;
+  margin: 0 0 10px;
+  padding: 0 0 10px;
+  border-bottom: 1px solid #f0f0f0;
+
+  &.is-invalid .composer__custom-input {
+    border-color: rgba(196, 92, 38, 0.55);
+    background: #fff8f4;
+  }
+}
+
+.composer__custom-label {
+  display: inline-flex;
+  align-items: center;
+  gap: 4px;
+  flex-shrink: 0;
+  color: #3a8e4d;
+  font-size: 13px;
+  font-weight: 600;
+  line-height: 1;
+  white-space: nowrap;
+  cursor: pointer;
+}
+
+.composer__custom-icon {
+  color: #3a8e4d;
+}
+
+.composer__custom-input {
+  flex: 1;
+  min-width: 0;
+  height: 32px;
+  padding: 0 10px;
+  border: 1px solid #e6e6e6;
+  border-radius: 8px;
+  outline: none;
+  background: #fafafa;
+  font-size: 13px;
+  color: #1a1a1a;
+  font-family: inherit;
+  box-sizing: border-box;
+
+  &::placeholder {
+    color: #b0b0b0;
+  }
+
+  &:disabled {
+    opacity: 0.6;
+  }
+
+  &:focus {
+    border-color: rgba(58, 142, 77, 0.55);
+    background: #ffffff;
+  }
+}
+
+.composer__custom-count {
+  flex-shrink: 0;
+  min-width: 32px;
+  font-size: 12px;
+  color: #999;
+  text-align: right;
+  white-space: nowrap;
+  line-height: 1;
+}
+
+.composer__custom-hint {
+  margin: -4px 0 10px;
+  font-size: 11px;
+  line-height: 1.4;
+  color: #888;
+}
+
+.composer__custom-error {
+  margin: -4px 0 10px;
+  font-size: 12px;
+  line-height: 1.3;
+  color: #c45c26;
+}
+
 .composer__preview {
   position: relative;
   width: 56px;
@@ -365,80 +499,6 @@ defineExpose({ focus, getPreviewEl, getFlyTargetEl })
   padding: 0;
 }
 
-.composer__title {
-  margin: 0 0 10px;
-  padding: 8px 10px;
-  border-radius: 12px;
-  background: #f7f8f7;
-  border: 1px solid transparent;
-
-  &.is-invalid {
-    border-color: rgba(196, 92, 38, 0.45);
-    background: #fff8f4;
-  }
-}
-
-.composer__title-label {
-  display: block;
-  margin-bottom: 6px;
-  font-size: 12px;
-  font-weight: 600;
-  color: #3a8e4d;
-}
-
-.composer__title-field {
-  display: flex;
-  align-items: center;
-  gap: 8px;
-}
-
-.composer__title-input {
-  flex: 1;
-  min-width: 0;
-  height: 32px;
-  padding: 0 10px;
-  border: 1px solid #e6e6e6;
-  border-radius: 8px;
-  outline: none;
-  background: #fff;
-  font-size: 13px;
-  color: #1a1a1a;
-  font-family: inherit;
-
-  &::placeholder {
-    color: #b0b0b0;
-  }
-
-  &:disabled {
-    opacity: 0.6;
-  }
-
-  &:focus {
-    border-color: rgba(58, 142, 77, 0.55);
-  }
-}
-
-.composer__title-count {
-  flex-shrink: 0;
-  font-size: 11px;
-  color: #999;
-  white-space: nowrap;
-}
-
-.composer__title-hint {
-  margin: 6px 0 0;
-  font-size: 11px;
-  line-height: 1.4;
-  color: #888;
-}
-
-.composer__title-error {
-  margin: 6px 0 0;
-  font-size: 12px;
-  line-height: 1.3;
-  color: #c45c26;
-}
-
 .composer__input {
   display: block;
   width: 100%;
@@ -474,9 +534,9 @@ defineExpose({ focus, getPreviewEl, getFlyTargetEl })
   display: inline-flex;
   align-items: center;
   justify-content: center;
-  width: 44px;
-  height: 44px;
-  margin: -6px 0 -6px -6px;
+  width: 40px;
+  height: 40px;
+  margin: -2px 0 -2px -4px;
   padding: 0;
   border: 0;
   background: transparent;
diff --git a/src/views/jingdong/components/GenerationStage.vue b/src/views/jingdong/components/GenerationStage.vue
index 05b3d35..1591093 100644
--- a/src/views/jingdong/components/GenerationStage.vue
+++ b/src/views/jingdong/components/GenerationStage.vue
@@ -234,7 +234,7 @@ onUnmounted(() => {
 
 <style scoped lang="scss">
 .jd-stage {
-  width: min(280px, 72vw);
+  width: 100%;
   max-width: 100%;
 }
 
@@ -242,10 +242,9 @@ onUnmounted(() => {
   position: relative;
   width: 100%;
   aspect-ratio: 1 / 1;
-  max-width: 360px;
   overflow: hidden;
   border-radius: 12px;
-  background: #f0f4f9;
+  background: #f7f7f7;
 }
 
 .jd-stage__gif,
@@ -254,8 +253,8 @@ onUnmounted(() => {
   inset: 0;
   width: 100%;
   height: 100%;
-  object-fit: cover;
-  object-position: center;
+  object-fit: contain;
+  object-position: center top;
   pointer-events: none;
   will-change: opacity, transform;
   backface-visibility: hidden;
@@ -263,13 +262,14 @@ onUnmounted(() => {
 
 .jd-stage__gif {
   z-index: 1;
+  object-fit: cover;
+  object-position: center;
 }
 
 .jd-stage__result {
   z-index: 3;
-  /* 与结果卡片一致，避免切换时构图跳变 */
-  object-position: center top;
-  background: #f0f4f9;
+  /* 与结果卡片一致：完整显示效果图 */
+  background: #f7f7f7;
 }
 
 .jd-stage__status {
diff --git a/src/views/jingdong/components/ResultCard.vue b/src/views/jingdong/components/ResultCard.vue
index 321e21b..dd9244d 100644
--- a/src/views/jingdong/components/ResultCard.vue
+++ b/src/views/jingdong/components/ResultCard.vue
@@ -1,13 +1,22 @@
 <template>
   <div class="result-card" :class="{ 'is-editing': editing }">
     <div class="result-card__media">
-      <img ref="imgRef" class="result-card__img" :src="image" alt="效果图" />
-      <button class="result-card__view" type="button" @click="emit('view')">
-        <span>{{ viewLabel }}</span>
-        <el-icon :size="12"><FullScreen /></el-icon>
-      </button>
+      <img
+        ref="imgRef"
+        class="result-card__img"
+        :src="image"
+        alt="效果图"
+        draggable="false"
+        @click="onImageClick"
+        @pointerdown="onPointerDown"
+        @pointerup="onPointerUp"
+        @pointerleave="onPointerUp"
+        @pointercancel="onPointerUp"
+        @contextmenu.prevent
+      />
       <button
         class="result-card__edit"
+        :class="{ 'is-exit': editing }"
         type="button"
         @click="onEditClick"
       >
@@ -20,21 +29,25 @@
           <span>{{ editLabel }}</span>
         </template>
       </button>
-      <button class="result-card__download" type="button" aria-label="下载" @click="emit('download')">
-        <el-icon :size="16"><Download /></el-icon>
-      </button>
     </div>
     <div class="result-card__meta">{{ meta }}</div>
-    <button v-if="showBuy" class="result-card__buy" type="button" @click="emit('buy')">
+    <button
+      class="result-card__buy"
+      type="button"
+      :disabled="editing"
+      :aria-disabled="editing"
+      @click="onBuyClick"
+    >
       <el-icon :size="16"><ShoppingCart /></el-icon>
       <span>{{ buyLabel }}</span>
     </button>
+    <p v-if="editing" class="result-card__buy-tip">{{ buyDisabledTip }}</p>
   </div>
 </template>
 
 <script setup lang="ts">
-import { ref } from 'vue'
-import { Close, Download, EditPen, FullScreen, ShoppingCart } from '@element-plus/icons-vue'
+import { onBeforeUnmount, ref } from 'vue'
+import { Close, EditPen, ShoppingCart } from '@element-plus/icons-vue'
 import { rectFromElement, type FlyRect } from '@/utils/fly-image'
 
 const props = withDefaults(
@@ -42,19 +55,17 @@ const props = withDefaults(
     image: string
     meta: string
     editing?: boolean
-    showBuy?: boolean
-    viewLabel?: string
     editLabel?: string
     exitEditLabel?: string
     buyLabel?: string
+    buyDisabledTip?: string
   }>(),
   {
     editing: false,
-    showBuy: true,
-    viewLabel: '查看',
     editLabel: '编辑',
     exitEditLabel: '退出编辑',
     buyLabel: '立即购买',
+    buyDisabledTip: '编辑调整中，暂不可购买',
   },
 )
 
@@ -67,6 +78,39 @@ const emit = defineEmits<{
 }>()
 
 const imgRef = ref<HTMLImageElement | null>(null)
+const LONG_PRESS_MS = 520
+let pressTimer: number | null = null
+let longPressed = false
+
+function clearPressTimer() {
+  if (pressTimer != null) {
+    window.clearTimeout(pressTimer)
+    pressTimer = null
+  }
+}
+
+function onPointerDown() {
+  longPressed = false
+  clearPressTimer()
+  pressTimer = window.setTimeout(() => {
+    longPressed = true
+    pressTimer = null
+    emit('download')
+  }, LONG_PRESS_MS)
+}
+
+function onPointerUp() {
+  clearPressTimer()
+}
+
+function onImageClick() {
+  // 长按保存后不再触发查看大图
+  if (longPressed) {
+    longPressed = false
+    return
+  }
+  emit('view')
+}
 
 function onEditClick() {
   if (props.editing) {
@@ -75,6 +119,15 @@ function onEditClick() {
   }
   emit('edit', { sourceRect: rectFromElement(imgRef.value) })
 }
+
+function onBuyClick() {
+  if (props.editing) return
+  emit('buy')
+}
+
+onBeforeUnmount(() => {
+  clearPressTimer()
+})
 </script>
 
 <style scoped lang="scss">
@@ -86,7 +139,7 @@ function onEditClick() {
   position: relative;
   overflow: hidden;
   border-radius: 14px;
-  background: #f0f0f0;
+  background: #f7f7f7;
   border: 1.5px solid transparent;
 }
 
@@ -109,51 +162,39 @@ function onEditClick() {
 .result-card__img {
   display: block;
   width: 100%;
-  aspect-ratio: 1 / 1;
-  object-fit: cover;
+  height: auto;
+  object-fit: contain;
   object-position: center top;
+  cursor: pointer;
+  -webkit-touch-callout: none;
+  user-select: none;
+  vertical-align: top;
 }
 
-.result-card__view,
-.result-card__edit,
-.result-card__download {
+.result-card__edit {
   position: absolute;
+  left: 10px;
+  bottom: 10px;
   display: inline-flex;
   align-items: center;
   gap: 4px;
+  height: 26px;
+  padding: 0 8px;
   border: 0;
+  border-radius: 8px;
   cursor: pointer;
   color: #fff;
   background: rgba(0, 0, 0, 0.45);
   backdrop-filter: blur(4px);
+  font-size: 12px;
   animation: jd-result-chrome-in 0.55s ease both;
-}
 
-.result-card__view {
-  top: 10px;
-  right: 10px;
-  height: 26px;
-  padding: 0 8px;
-  border-radius: 8px;
-  font-size: 12px;
-}
-
-.result-card__edit {
-  left: 10px;
-  bottom: 10px;
-  height: 26px;
-  padding: 0 8px;
-  border-radius: 8px;
-  font-size: 12px;
-}
-
-.result-card__download {
-  right: 10px;
-  bottom: 10px;
-  width: 30px;
-  height: 30px;
-  justify-content: center;
-  border-radius: 8px;
+  &.is-exit {
+    color: #1a1a1a;
+    background: #ffffff;
+    border-radius: 999px;
+    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.12);
+  }
 }
 
 .result-card__meta {
@@ -179,12 +220,25 @@ function onEditClick() {
   font-size: 14px;
   font-weight: 600;
   cursor: pointer;
-  transition: opacity 0.15s ease, transform 0.15s ease;
+  transition: background 0.15s ease, color 0.15s ease, opacity 0.15s ease;
   animation: jd-result-chrome-in 0.55s ease 0.12s both;
 
-  &:active {
+  &:active:not(:disabled) {
     opacity: 0.9;
-    transform: scale(0.98);
+  }
+
+  &:disabled {
+    background: #ececec;
+    color: #b0b0b0;
+    cursor: not-allowed;
   }
 }
+
+.result-card__buy-tip {
+  margin: 8px 0 0;
+  text-align: center;
+  font-size: 12px;
+  line-height: 1.4;
+  color: #b0b0b0;
+}
 </style>
diff --git a/src/views/jingdong/index.vue b/src/views/jingdong/index.vue
index a8cd0a4..abac591 100644
--- a/src/views/jingdong/index.vue
+++ b/src/views/jingdong/index.vue
@@ -27,19 +27,14 @@
           </div>
 
           <div v-else-if="msg.type === 'case'" class="msg__bubble msg__bubble--case">
-            <p class="msg__case-intro">{{ config.messages.caseIntro }}</p>
-            <div class="msg__case-grid">
-              <figure
-                v-for="(item, idx) in caseItems"
-                :key="item.label"
-                class="msg__case-item"
-              >
-                <div class="msg__case-thumb">
-                  <img :src="item.src" :alt="item.label" @click="previewImages(caseItems.map((c) => c.src), idx)" />
-                </div>
-                <figcaption>{{ item.label }}</figcaption>
-              </figure>
-            </div>
+            <button
+              class="msg__guide"
+              type="button"
+              :aria-label="config.messages.caseIntro"
+              @click="previewImages([config.images.guide], 0)"
+            >
+              <img class="msg__guide-img" :src="config.images.guide" :alt="config.messages.caseIntro" />
+            </button>
           </div>
 
           <div
@@ -65,11 +60,10 @@
               :image="msg.image"
               :meta="msg.meta"
               :editing="editingResultId === msg.id"
-              :show-buy="editingResultId !== msg.id"
-              :view-label="config.messages.view"
               :edit-label="config.messages.edit"
               :exit-edit-label="config.messages.exitEdit"
               :buy-label="config.messages.buyNow"
+              :buy-disabled-tip="config.messages.buyDisabledTip"
               @view="previewImages([msg.image], 0)"
               @edit="(payload) => enterEdit(msg.id, payload?.sourceRect)"
               @exit-edit="exitEdit"
@@ -91,6 +85,9 @@
       :placeholder="config.messages.placeholder"
       :placeholder-need-photo="config.messages.placeholderNeedPhoto"
       :placeholder-editing="config.messages.placeholderEditing"
+      :custom-text-label="titleSpec?.label || config.messages.customTextLabel"
+      :custom-text-placeholder="titleSpec?.placeholder || config.messages.customTextPlaceholder"
+      :custom-text-max="titleSpec?.max || config.messages.customTextMax"
       :preview-url="pendingPreview"
       :tags="composerTags"
       :editing="isEditing"
@@ -189,12 +186,6 @@ function formatTime(date = new Date()) {
   return `${h}:${m}`
 }
 
-const caseItems = [
-  { label: config.messages.caseLabels[0], src: config.images.caseOriginal },
-  { label: config.messages.caseLabels[1], src: config.images.caseEffect },
-  { label: config.messages.caseLabels[2], src: config.images.caseScene },
-]
-
 /**
  * 剩余次数：
  * - 首屏用接口 remain_count 打底
@@ -814,6 +805,7 @@ async function startGenerate(opts: {
   /** 编辑效果图：直接 submit，传 image_id，不走 url/confirm */
   imageId?: string
   sceneProp?: string
+  customText?: string
 }) {
   if (remainCount.value <= 0) {
     showToast(config.messages.noRemain)
@@ -877,13 +869,14 @@ async function startGenerate(opts: {
     }
 
     const sceneProp = String(opts.sceneProp || '').trim()
+    const customText = String(opts.customText || '').trim()
     const task = await jingdongApi.submitImageGen({
       session_id: sid,
       ...(isEdit ? { image_id: editImageId } : { upload_id: uploadId }),
       prompt: opts.userText,
       mode: opts.mode,
       scene_prop: sceneProp,
-      custom_text: '',
+      custom_text: customText,
     })
     let taskId = task.task_id
     if (!taskId) throw new Error('提交生成失败')
@@ -940,13 +933,23 @@ function onSend() {
 
   if (titleSpec.value && !productTitle.value.trim()) {
     titleInvalid.value = true
-    showToast(config.messages.needProductTitle(titleSpec.value.label))
+    showToast(
+      config.messages.needProductTitle(
+        titleSpec.value.label || config.messages.customTextLabel,
+      ),
+    )
     return
   }
   titleInvalid.value = false
 
   const text = draft.value.trim()
-  const sceneProp = resolveScenePropFromOrder(orderStat.value, productTitle.value)
+  // 必须在 reset 前取出：场景道具走 scene_prop，其余走 custom_text
+  const titleValue = productTitle.value.trim()
+  const isPropsTitle = titleSpec.value?.mode === 'props'
+  const sceneProp = isPropsTitle
+    ? resolveScenePropFromOrder(orderStat.value, titleValue)
+    : ''
+  const customText = isPropsTitle ? '' : titleValue
 
   if (isEditing.value) {
     if (!text) {
@@ -976,6 +979,7 @@ function onSend() {
       mode: 'edit',
       imageId,
       sceneProp,
+      customText,
     })
     return
   }
@@ -1018,6 +1022,7 @@ function onSend() {
     mode: 'generate',
     uploadId,
     sceneProp,
+    customText,
   })
 }
 
@@ -1158,7 +1163,10 @@ onBeforeUnmount(() => {
 <style scoped lang="scss">
 .jd-page {
   --jd-primary: #3a8e4d;
-  --jd-bg: #f5f5f5;
+  --jd-bg: #ffffff;
+  --jd-avatar: 36px;
+  --jd-avatar-gap: 10px;
+  --jd-avatar-slot: calc(var(--jd-avatar) + var(--jd-avatar-gap));
   display: flex;
   flex-direction: column;
   height: 100vh;
@@ -1198,8 +1206,8 @@ onBeforeUnmount(() => {
 }
 
 .msg__avatar {
-  width: 36px;
-  height: 36px;
+  width: var(--jd-avatar);
+  height: var(--jd-avatar);
   flex-shrink: 0;
   border-radius: 8px;
   overflow: hidden;
@@ -1227,7 +1235,8 @@ onBeforeUnmount(() => {
 }
 
 .msg__body {
-  max-width: calc(100% - 52px);
+  /* 左侧头像占位后，右侧再留一个头像宽度，与用户侧对称 */
+  max-width: calc(100% - var(--jd-avatar-slot) - var(--jd-avatar));
   min-width: 0;
 }
 
@@ -1235,11 +1244,11 @@ onBeforeUnmount(() => {
   display: flex;
   flex-direction: column;
   align-items: flex-end;
-  max-width: min(268px, calc(100% - 52px));
+  max-width: min(268px, calc(100% - var(--jd-avatar-slot)));
 }
 
 .msg.is-case .msg__body {
-  max-width: calc(100% - 46px);
+  max-width: calc(100% - var(--jd-avatar-slot) - var(--jd-avatar));
 }
 
 .msg__bubble {
@@ -1259,6 +1268,8 @@ onBeforeUnmount(() => {
 
 .msg:not(.is-user) .msg__bubble {
   border-radius: 4px 16px 16px 16px;
+  border: 1px solid #e6e6e6;
+  box-sizing: border-box;
 }
 
 .msg__bubble--user {
@@ -1303,62 +1314,45 @@ onBeforeUnmount(() => {
 }
 
 .msg__bubble--case {
-  padding: 12px;
-}
-
-.msg__case-intro {
-  margin: 0 0 10px;
-  font-size: 14px;
-  line-height: 1.5;
-  color: #222;
-}
-
-.msg__case-grid {
-  display: grid;
-  grid-template-columns: repeat(3, 1fr);
-  gap: 8px;
-}
-
-.msg__case-item {
-  margin: 0;
-  min-width: 0;
-
-  figcaption {
-    margin-top: 6px;
-    text-align: center;
-    font-size: 12px;
-    color: #999;
-    line-height: 1.2;
-  }
-}
-
-.msg__case-thumb {
-  width: 100%;
-  aspect-ratio: 1 / 1;
-  border-radius: 10px;
+  padding: 0;
   overflow: hidden;
-  background: #f0f0f0;
+  background: #ffffff;
+  box-shadow: none;
+}
 
-  img {
-    display: block;
-    width: 100%;
-    height: 200%;
-    object-fit: contain;
-    object-position: center top;
-    cursor: pointer;
-  }
+.msg__guide {
+  display: block;
+  width: 100%;
+  margin: 0;
+  padding: 0;
+  border: 0;
+  background: transparent;
+  cursor: pointer;
+  border-radius: 16px;
+  overflow: hidden;
+}
+
+.msg__guide-img {
+  display: block;
+  width: 100%;
+  height: auto;
+  vertical-align: top;
 }
 
 .msg__bubble--generating {
   padding: 0;
-  background: transparent;
+  background: #ffffff;
   box-shadow: none;
   overflow: hidden;
+  width: 60vw;
+  max-width: 100%;
+  box-sizing: border-box;
 }
 
 .msg__bubble--result {
   padding: 10px;
-  width: min(280px, 72vw);
+  /* 效果图最大占整屏宽度 60% */
+  width: 60vw;
   max-width: 100%;
   box-sizing: border-box;
 }