feat(ui): 调整welcome外层padding

src/App.vue

@@ -72,7 +72,7 @@ window.$toast = showToast;
 <style lang="scss">
 .app {
   display: flex;
-  width: 100vw;
+  width: 100%;
   height: 100vh;
   overflow: hidden;
   background: #f5f5f5;

src/components/chat/ChatHeader.vue

@@ -263,7 +263,7 @@ if (typeof window !== "undefined") {
 }
 
 .learning-mode-label {
-  font-size: 13px;
+  font-size: 14px;
   color: #6b7280;
   user-select: none;
   white-space: nowrap;

src/components/chat/ChatMain.vue

@@ -516,6 +516,7 @@ watch(
 .chat-main {
   display: flex;
   flex-direction: column;
+  min-width: 900px;
   flex: 1;
   height: 100vh;
   background: #ffffff;
@@ -545,8 +546,7 @@ watch(
 }
 
 .input-container {
-  margin: auto;
-  width: 55%;
+  margin: 0 22%;
  // min-width: 1000px;
   // margin: 0 auto;
   transition: max-width 0.3s ease;

src/components/chat/MessageList.vue

@@ -13,11 +13,7 @@
           <button class="action-btn cancel" @click="handleCancelSelect">
             取消
           </button>
-          <button
-            class="action-btn confirm"
-            :disabled="selectedMessageCount === 0"
-            @click="handleConfirmShare"
-          >
+          <button class="action-btn confirm" :disabled="selectedMessageCount === 0" @click="handleConfirmShare">
             确认分享
           </button>
         </div>
@@ -26,36 +22,21 @@
 
     <div ref="containerRef" class="message-list" @scroll="handleScroll">
       <!-- 欢迎界面 -->
-      <WelcomeScreen
-        v-if="visibleMessages.length === 0"
-        @select="$emit('select-suggestion', $event)"
-      />
+      <WelcomeScreen v-if="visibleMessages.length === 0" @select="$emit('select-suggestion', $event)" />
 
       <!-- 消息列表 -->
       <template v-else>
         <div class="messages-wrapper">
           <TransitionGroup name="message">
-            <MessageBubble
-              v-for="(message, index) in visibleMessages"
-              :key="message.id"
-              :message="message"
-              :show-timestamp="showTimestamp"
-              :compact="compact"
-              :is-New="index === visibleMessages.length - 1"
-              :is-message-select-mode="isMessageSelectMode"
-              :is-selected="isMessageSelected(message.id)"
-              @retry="$emit('retry', message.id)"
-              @regenerate="$emit('regenerate', message.id)"
-              @copy="handleCopy(message)"
-              @like="handleLike(message)"
-              @dislike="handleDislike(message)"
-              @select-suggestion="$emit('select-suggestion', $event)"
-              @preview-image="handlePreviewImage"
-              @play-video="handlePlayVideo"
-              @download-file="handleDownloadFile"
+            <MessageBubble v-for="(message, index) in visibleMessages" :key="message.id" :message="message"
+              :show-timestamp="showTimestamp" :compact="compact" :is-New="index === visibleMessages.length - 1"
+              :is-message-select-mode="isMessageSelectMode" :is-selected="isMessageSelected(message.id)"
+              @retry="$emit('retry', message.id)" @regenerate="$emit('regenerate', message.id)"
+              @copy="handleCopy(message)" @like="handleLike(message)" @dislike="handleDislike(message)"
+              @select-suggestion="$emit('select-suggestion', $event)" @preview-image="handlePreviewImage"
+              @play-video="handlePlayVideo" @download-file="handleDownloadFile"
               @toggle-select="handleToggleMessageSelect(message.id)"
-              @enter-select-mode="handleEnterSelectMode(message.id)"
-            />
+              @enter-select-mode="handleEnterSelectMode(message.id)" />
           </TransitionGroup>
 
           <!-- 正在输入指示器 -->
@@ -75,11 +56,7 @@
     </div>
     <!-- 回到底部按钮 -->
     <Transition name="fade">
-      <button
-        v-if="showScrollButton"
-        class="scroll-bottom-btn"
-        @click="handleScrollToBottom"
-      >
+      <button v-if="showScrollButton" class="scroll-bottom-btn" @click="handleScrollToBottom">
         <ChevronDown :size="20" />
         <span v-if="newMessageCount > 0" class="new-count">
           {{ newMessageCount }}
@@ -359,6 +336,7 @@ onMounted(() => {
     &:nth-child(1) {
       animation-delay: -0.32s;
     }
+
     &:nth-child(2) {
       animation-delay: -0.16s;
     }
@@ -366,7 +344,7 @@ onMounted(() => {
 }
 
 .typing-text {
-  font-size: 13px;
+  font-size: 14px;
   color: #9ca3af;
 }
 
@@ -451,6 +429,7 @@ onMounted(() => {
     opacity: 0;
     transform: translateY(10px);
   }
+
   to {
     opacity: 1;
     transform: translateY(0);
@@ -458,12 +437,14 @@ onMounted(() => {
 }
 
 @keyframes typingBounce {
+
   0%,
   80%,
   100% {
     transform: scale(0.7);
     opacity: 0.5;
   }
+
   40% {
     transform: scale(1);
     opacity: 1;
@@ -512,7 +493,7 @@ onMounted(() => {
   padding: 8px 16px;
   border: none;
   border-radius: 8px;
-  font-size: 13px;
+  font-size: 14px;
   font-weight: 500;
   cursor: pointer;
   transition: all 0.2s ease;

src/components/chat/WelcomeScreen.vue

@@ -112,6 +112,11 @@ const iconMap: Record<string, any> = {
   学术: ThesisIcon,
 };
 
+const excludedSuggestionTexts = new Set([
+  "让可学 AI 成为我的全科学习导师？",
+  "让 AI 扮演一位严谨的学术论文写作导师？",
+]);
+
 const suggestions = computed(() => {
   // 内部类型，包含 icon 组件用于渲染
   type SuggestionWithIcon = Suggestion & { iconComponent: typeof Code };
@@ -121,6 +126,8 @@ const suggestions = computed(() => {
   // 遍历 prompt.json 的分类和条目
   for (const category of Object.values(promptData)) {
     for (const [text, systemPrompt] of Object.entries(category)) {
+      if (excludedSuggestionTexts.has(text)) continue;
+
       // 根据文本关键词选择图标
       let iconComponent = Code; // 默认图标
       for (const [keyword, icon] of Object.entries(iconMap)) {
@@ -148,8 +155,8 @@ const suggestions = computed(() => {
   flex-direction: column;
   align-items: center;
   justify-content: space-between;
-  min-height: 80%;
-  padding: 25px 24px;
+  min-height: 70%;
+  padding: 25px 22%;
   animation: fadeIn 0.5s ease;
 }
 
@@ -272,7 +279,7 @@ const suggestions = computed(() => {
 
   p {
     margin: 0;
-    font-size: 13px;
+    font-size: 14px;
     color: #6b7280;
     line-height: 1.5;
 
@@ -317,7 +324,7 @@ const suggestions = computed(() => {
   padding: 12px 20px;
   background: #F8F9FA;
   border: 1px solid transparent;
-  border-radius: 10px;
+  border-radius: 15px;
   font-size: 12px;
   text-align: left;
   cursor: pointer;
@@ -330,12 +337,10 @@ const suggestions = computed(() => {
   }
 // TODO: 悬浮边框和背景颜色
   &:hover {
-    border-color: #3b82f6;
-    background: rgba(59, 130, 246, 0.05);
+    background: #E9EAEB;
 
     .arrow-icon {
       transform: translateX(4px);
-      color: #3b82f6;
     }
   }
 
@@ -367,7 +372,7 @@ const suggestions = computed(() => {
   display: flex;
   align-items: center;
   gap: 8px;
-  font-size: 13px;
+  font-size: 14px;
   color: #9ca3af;
 
   kbd {

src/components/icons/custom/DeleteIcon.vue

@@ -1,8 +1,8 @@
 <template>
-  <svg xmlns="http://www.w3.org/2000/svg" width="14" height="15" viewBox="0 0 14 15" fill="none">
-  <path d="M0.5 2.9H2.9M13.3 2.9H10.9M10.9 2.9V2.5C10.9 1.39543 10.0046 0.5 8.9 0.5H4.9C3.79543 0.5 2.9 1.39543 2.9 2.5V2.9M10.9 2.9H2.9" stroke="#666666" stroke-linecap="round"/>
-  <path d="M2.09985 5.3V12.1C2.09985 13.2046 2.99528 14.1 4.09985 14.1H9.69986C10.8044 14.1 11.6999 13.2046 11.6999 12.1V5.3M5.29985 6.1V12.5M8.49985 6.1V12.5" stroke="#666666" stroke-linecap="round"/>
-</svg>
+  <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16" fill="none">
+    <path d="M1.6001 3.19999H4.0001M14.4001 3.19999H12.0001M12.0001 3.19999V2.79999C12.0001 1.69542 11.1047 0.799988 10.0001 0.799988H6.0001C4.89553 0.799988 4.0001 1.69542 4.0001 2.79999V3.19999M12.0001 3.19999H4.0001" stroke="currentColor" stroke-linecap="round" />
+    <path d="M3.19995 5.59998V12.4C3.19995 13.5045 4.09538 14.4 5.19995 14.4H10.8C11.9045 14.4 12.8 13.5045 12.8 12.4V5.59998M6.39995 6.39998V12.8M9.59995 6.39998V12.8" stroke="currentColor" stroke-linecap="round" />
+  </svg>
 </template>
 
 <script setup lang="ts">

src/components/icons/custom/EditIcon.vue

@@ -1,8 +1,8 @@
 <template>
   <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16" fill="none">
-  <path d="M11.7854 6.40508L3.71021 14.4783H1.51099V12.2791L9.58423 4.2039L11.7854 6.40508ZM12.3801 1.52031C12.4497 1.52042 12.5204 1.54921 12.5735 1.60234L14.387 3.41484C14.4383 3.46622 14.467 3.53595 14.467 3.6082C14.467 3.66395 14.4509 3.71702 14.4211 3.76152L14.387 3.80254L13.3225 4.86699L11.1213 2.66582L12.1858 1.60234L12.1887 1.60039C12.2399 1.5487 12.3071 1.52031 12.3801 1.52031Z" stroke="#666666" stroke-linejoin="round"/>
-  <path d="M6 14.5H14.5" stroke="#666666" stroke-linecap="round"/>
-</svg>
+    <path d="M11.7854 6.40509L3.71021 14.4783H1.51099V12.2791L9.58423 4.20392L11.7854 6.40509ZM12.3801 1.52032C12.4497 1.52043 12.5204 1.54923 12.5735 1.60236L14.387 3.41486C14.4383 3.46624 14.467 3.53597 14.467 3.60822C14.467 3.66397 14.4509 3.71704 14.4211 3.76154L14.387 3.80255L13.3225 4.867L11.1213 2.66583L12.1858 1.60236L12.1887 1.6004C12.2399 1.54872 12.3071 1.52032 12.3801 1.52032Z" stroke="currentColor" stroke-linejoin="round" />
+    <path d="M6 14.5H14.5" stroke="currentColor" stroke-linecap="round" />
+  </svg>
 </template>
 
 <script setup lang="ts">

src/components/icons/custom/LoadingIcon.vue

@@ -0,0 +1,40 @@
+<template>
+  <svg
+    xmlns="http://www.w3.org/2000/svg"
+    width="14"
+    height="14"
+    viewBox="0 0 14 14"
+    fill="none"
+  >
+    <path
+      d="M7 13C10.3137 13 13 10.3137 13 7C13 3.68629 10.3137 1 7 1C3.68629 1 1 3.68629 1 7"
+      stroke="url(#paint0_linear_169_1705)"
+      stroke-width="2"
+      stroke-linecap="round"
+    />
+    <defs>
+      <linearGradient
+        id="paint0_linear_169_1705"
+        x1="1"
+        y1="7"
+        x2="7"
+        y2="13"
+        gradientUnits="userSpaceOnUse"
+      >
+        <stop stop-color="white" />
+        <stop offset="1" stop-color="white" />
+      </linearGradient>
+    </defs>
+  </svg>
+</template>
+
+<script setup lang="ts">
+withDefaults(
+  defineProps<{
+    size?: number;
+  }>(),
+  {
+    size: 14,
+  },
+);
+</script>

src/components/icons/custom/PinActionIcon.vue

@@ -0,0 +1,26 @@
+<template>
+  <svg
+    xmlns="http://www.w3.org/2000/svg"
+    width="16"
+    height="16"
+    viewBox="0 0 16 16"
+    fill="none"
+  >
+    <path
+      d="M5.43994 0.5H5.44189L7.99268 0.507812H8.0083L10.5581 0.5H10.5601C10.6453 0.500024 10.7177 0.541283 10.7603 0.600586L10.7925 0.666016C10.8015 0.697293 10.8004 0.716064 10.7954 0.732422C10.7899 0.750047 10.767 0.804834 10.6704 0.886719L10.6411 0.914062L10.0366 1.51758C9.84509 1.70911 9.74857 1.9731 9.76904 2.23926L9.77002 2.24121L10.0864 6.15332V6.1543C10.1201 6.56503 10.2691 6.95616 10.5151 7.28418L10.6265 7.4209L11.5933 8.5127C11.6397 8.56497 11.6702 8.62659 11.6841 8.68945L11.6929 8.75293C11.6937 8.78175 11.6899 8.8027 11.686 8.81641C11.6827 8.82804 11.6786 8.83521 11.6733 8.8418C11.6651 8.85078 11.647 8.8623 11.6216 8.8623H11.6206L8.87158 8.84277H7.12842L4.37939 8.8623H4.37842C4.34895 8.8623 4.33235 8.84936 4.32764 8.84375L4.32666 8.84277C4.32122 8.83606 4.31665 8.82825 4.31299 8.81543C4.30892 8.80101 4.30578 8.77903 4.30615 8.74902C4.30865 8.66986 4.34102 8.58452 4.40479 8.5127H4.40576L5.37256 7.4209C5.68385 7.06918 5.8747 6.62516 5.91162 6.15332L6.229 2.24121V2.23926C6.24675 2.00853 6.1773 1.77409 6.02783 1.58984L5.95947 1.51465L5.34521 0.900391L5.32959 0.886719L5.27002 0.831055C5.22258 0.780136 5.2087 0.745665 5.20459 0.732422C5.19958 0.716074 5.19847 0.697262 5.20752 0.666016C5.23456 0.573903 5.32611 0.500071 5.43994 0.5Z"
+      stroke="currentColor"
+    />
+    <path d="M8 9V15.5" stroke="currentColor" stroke-linecap="round" />
+  </svg>
+</template>
+
+<script setup lang="ts">
+withDefaults(
+  defineProps<{
+    size?: number;
+  }>(),
+  {
+    size: 18,
+  },
+);
+</script>

src/components/icons/custom/PinOffActionIcon.vue

@@ -0,0 +1,27 @@
+<template>
+  <svg
+    xmlns="http://www.w3.org/2000/svg"
+    width="16"
+    height="16"
+    viewBox="0 0 16 16"
+    fill="none"
+  >
+    <path
+      d="M5.43994 0.5H5.44189L7.99268 0.507812H8.0083L10.5581 0.5H10.5601C10.6453 0.500024 10.7177 0.541283 10.7603 0.600586L10.7925 0.666016C10.8015 0.697293 10.8004 0.716064 10.7954 0.732422C10.7899 0.750047 10.767 0.804834 10.6704 0.886719L10.6411 0.914062L10.0366 1.51758C9.84509 1.70911 9.74857 1.9731 9.76904 2.23926L9.77002 2.24121L10.0864 6.15332V6.1543C10.1201 6.56503 10.2691 6.95616 10.5151 7.28418L10.6265 7.4209L11.5933 8.5127C11.6397 8.56497 11.6702 8.62659 11.6841 8.68945L11.6929 8.75293C11.6937 8.78175 11.6899 8.8027 11.686 8.81641C11.6827 8.82804 11.6786 8.83521 11.6733 8.8418C11.6651 8.85078 11.647 8.8623 11.6216 8.8623H11.6206L8.87158 8.84277H7.12842L4.37939 8.8623H4.37842C4.34895 8.8623 4.33235 8.84936 4.32764 8.84375L4.32666 8.84277C4.32122 8.83606 4.31665 8.82825 4.31299 8.81543C4.30892 8.80101 4.30578 8.77903 4.30615 8.74902C4.30865 8.66986 4.34102 8.58452 4.40479 8.5127H4.40576L5.37256 7.4209C5.68385 7.06918 5.8747 6.62516 5.91162 6.15332L6.229 2.24121V2.23926C6.24675 2.00853 6.1773 1.77409 6.02783 1.58984L5.95947 1.51465L5.34521 0.900391L5.32959 0.886719L5.27002 0.831055C5.22258 0.780136 5.2087 0.745665 5.20459 0.732422C5.19958 0.716074 5.19847 0.697262 5.20752 0.666016C5.23456 0.573903 5.32611 0.500071 5.43994 0.5Z"
+      stroke="currentColor"
+    />
+    <path d="M8 9V15.5" stroke="currentColor" stroke-linecap="round" />
+    <path d="M12 4L8 8L4 12" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" />
+  </svg>
+</template>
+
+<script setup lang="ts">
+withDefaults(
+  defineProps<{
+    size?: number;
+  }>(),
+  {
+    size: 18,
+  },
+);
+</script>

src/components/icons/custom/PlusIcon.vue

@@ -1,7 +1,7 @@
 <template>
-  <svg xmlns="http://www.w3.org/2000/svg" width="13" height="13" viewBox="0 0 13 13" fill="none">
-    <path d="M0.5 6.49457H12.5" stroke="#999999" stroke-linecap="round" />
-    <path d="M6.49414 12.5L6.49414 0.5" stroke="#999999" stroke-linecap="round" />
+  <svg xmlns="http://www.w3.org/2000/svg" width="11" height="11" viewBox="0 0 11 11" fill="none">
+    <path d="M0.5 5.49469H10.5" stroke="#999999" stroke-linecap="round" />
+    <path d="M5.49512 10.5L5.49512 0.5" stroke="#999999" stroke-linecap="round" />
   </svg>
 </template>
 

src/components/icons/custom/ShareIcon.vue

@@ -1,18 +1,11 @@
 <template>
   <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16" fill="none">
-  <g clip-path="url(#clip0_75_622)">
-    <circle cx="10.5" cy="2.5" r="2" stroke="#666666"/>
-    <circle cx="3.5" cy="7.5" r="2" stroke="#666666"/>
-    <path d="M8.79367 3.71881L5.19458 6.28959" stroke="#666666" stroke-linecap="round"/>
-    <path d="M5 9L9.5 12" stroke="#666666" stroke-linecap="round"/>
-    <circle cx="12" cy="13" r="2.5" stroke="#666666"/>
-  </g>
-  <defs>
-    <clipPath id="clip0_75_622">
-      <rect width="16" height="16" fill="white"/>
-    </clipPath>
-  </defs>
-</svg>
+    <circle cx="10.5" cy="2.5" r="2" stroke="currentColor" />
+    <circle cx="3.5" cy="7.5" r="2" stroke="currentColor" />
+    <path d="M8.79367 3.71881L5.19458 6.28959" stroke="currentColor" stroke-linecap="round" />
+    <path d="M5 9L9.5 12" stroke="currentColor" stroke-linecap="round" />
+    <circle cx="12" cy="13" r="2.5" stroke="currentColor" />
+  </svg>
 </template>
 
 <script setup lang="ts">

src/components/icons/custom/StopIcon.vue

@@ -0,0 +1,22 @@
+<template>
+  <svg
+    xmlns="http://www.w3.org/2000/svg"
+    width="12"
+    height="12"
+    viewBox="0 0 12 12"
+    fill="none"
+  >
+    <rect width="12" height="12" rx="2" fill="white" />
+  </svg>
+</template>
+
+<script setup lang="ts">
+withDefaults(
+  defineProps<{
+    size?: number;
+  }>(),
+  {
+    size: 12,
+  },
+);
+</script>

src/components/input/ChatInput.vue

@@ -8,7 +8,14 @@
           @remove="removeAttachment" @add-upload="triggerUploadInput" />
 
         <!-- 隐藏的文件输入框 -->
-        <input ref="uploadInputRef" type="file" multiple hidden @change="handleUploadSelect" />
+        <input
+          ref="uploadInputRef"
+          type="file"
+          :accept="uploadAccept"
+          multiple
+          hidden
+          @change="handleUploadSelect"
+        />
       </div>
 
       <!-- 文本输入框 -->
@@ -58,36 +65,35 @@
       <!-- 右侧功能按钮 -->
       <div class="input-actions right">
         <!-- 发送/停止按钮 -->
-        <button v-if="isStreaming" class="action-btn stop" title="停止生成" @click="$emit('stop')">
-          <StopCircle :size="20" />
-        </button>
-        <button v-else class="action-btn send" :class="{ active: canSend, loading: isProcessingAttachments }"
-          :disabled="!canSend" :title="isProcessingAttachments ? '附件处理中...' : '发送消息 (Ctrl+Enter)'" @click="handleSend">
-          <Loader2 v-if="isProcessingAttachments" :size="20" class="animate-spin" />
-          <SendIcon v-else :size="20" />
-        </button>
+        <button v-if="isStreaming" class="action-btn stop" title="停止生成" @click="$emit('stop')">
+          <StopIcon />
+        </button>
+        <button v-else class="action-btn send" :class="{ active: canSend, loading: isProcessingAttachments }"
+          :disabled="!canSend" :title="isProcessingAttachments ? '附件处理中...' : '发送消息 (Ctrl+Enter)'" @click="handleSend">
+          <LoadingIcon v-if="isProcessingAttachments" class="animate-spin" />
+          <SendIcon v-else :size="20" />
+        </button>
       </div>
     </div>
   </div>
 </template>
 
 <script setup lang="ts">
-import { ref, computed, watch, nextTick, onMounted } from "vue";
-import {
-  StopCircle,
-  Sparkles,
-  Globe,
-  Brain,
-  Loader2,
-  Upload,
-} from "@/components/icons";
+import { ref, computed, watch, nextTick, onMounted } from "vue";
+import {
+  Sparkles,
+  Globe,
+  Brain,
+} from "@/components/icons";
 import { generateId } from "@/utils/helpers";
 import type { Attachment } from "@/types/chat";
 import { chatApi } from "@/services/api";
-import { useAuthStore } from "@/stores/auth";
-import { useSettingsStore } from "@/stores/settings";
-import StackedCards from "@/components/ui/StackedCards.vue";
-import SendIcon from "../icons/custom/SendIcon.vue";
+import { useAuthStore } from "@/stores/auth";
+import { useSettingsStore } from "@/stores/settings";
+import StackedCards from "@/components/ui/StackedCards.vue";
+import SendIcon from "../icons/custom/SendIcon.vue";
+import StopIcon from "../icons/custom/StopIcon.vue";
+import LoadingIcon from "../icons/custom/LoadingIcon.vue";
 
 interface AttachmentWithProgress extends Attachment {
   uploading?: boolean;
@@ -175,10 +181,44 @@ function showThrottledToast(message: string, type: "error" = "error") {
 
 // 计算属性
 const charCount = computed(() => inputText.value.length);
-const isUploading = computed(() => attachments.value.some((a) => a.uploading));
-const isProcessingAttachments = computed(() =>
-  attachments.value.some((a) => a.uploading || a.deleting),
-);
+const isUploading = computed(() => attachments.value.some((a) => a.uploading));
+const isProcessingAttachments = computed(() =>
+  attachments.value.some((a) => a.uploading || a.deleting),
+);
+const textFileAccept =
+  ".txt,.md,.markdown,.pdf,.doc,.docx,.rtf,.csv,.tsv,.json,.xml,.html,.htm,.yaml,.yml,.log,.ini,.conf,.sql,.js,.ts,.jsx,.tsx,.py,.java,.c,.cpp,.h,.hpp,.go,.rs,.sh";
+const uploadAccept = computed(() => {
+  if (props.supports_vision && props.supports_files) {
+    return `image/*,${textFileAccept}`;
+  }
+  if (props.supports_vision) {
+    return "image/*";
+  }
+  if (props.supports_files) {
+    return textFileAccept;
+  }
+  return "";
+});
+
+function getFileExt(fileName: string) {
+  const idx = fileName.lastIndexOf(".");
+  if (idx === -1) return "";
+  return fileName.slice(idx).toLowerCase();
+}
+
+function getUploadTypeByModel(file: File): "image" | "file" | null {
+  const isImage =
+    file.type.startsWith("image/") ||
+    [".png", ".jpg", ".jpeg", ".gif", ".webp", ".bmp", ".svg", ".heic"].includes(
+      getFileExt(file.name),
+    );
+
+  if (isImage) {
+    return props.supports_vision ? "image" : null;
+  }
+
+  return props.supports_files ? "file" : null;
+}
 const canSend = computed(() => {
   return (
     (inputText.value.trim().length > 0 || attachments.value.length > 0) &&
@@ -261,7 +301,7 @@ function handleSend() {
 }
 
 // 处理粘贴事件
-async function handlePaste(event: ClipboardEvent) {
+async function handlePaste(event: ClipboardEvent) {
   const items = event.clipboardData?.items;
   if (!items) return;
 
@@ -281,31 +321,49 @@ async function handlePaste(event: ClipboardEvent) {
     }
   }
 
-  for (const item of items) {
-    if (item.type.startsWith("image/")) {
-      event.preventDefault();
-      const file = item.getAsFile();
-      if (file) {
-        await addFileAsAttachment(file, "image");
-      }
-    }
-  }
-}
-
-function triggerUploadInput() {
-  uploadInputRef.value?.click();
-}
+  for (const item of items) {
+    if (item.type.startsWith("image/")) {
+      const file = item.getAsFile();
+      if (file) {
+        const uploadType = getUploadTypeByModel(file);
+        if (uploadType === "image") {
+          event.preventDefault();
+          await addFileAsAttachment(file, uploadType);
+        } else {
+          event.preventDefault();
+          showThrottledToast("当前模型不支持上传图片");
+        }
+      }
+    }
+  }
+}
+
+function triggerUploadInput() {
+  if (!props.supports_vision && !props.supports_files) {
+    showThrottledToast("当前模型不支持上传附件");
+    return;
+  }
+  uploadInputRef.value?.click();
+}
 
 // 处理上传选择
 async function handleUploadSelect(event: Event) {
   const input = event.target as HTMLInputElement;
   const files = input.files;
-  if (!files) return;
-
-  for (const file of files) {
-    const type = file.type.startsWith("image/") ? "image" : "file";
-    await addFileAsAttachment(file, type);
-  }
+  if (!files) return;
+
+  for (const file of files) {
+    const uploadType = getUploadTypeByModel(file);
+    if (!uploadType) {
+      showThrottledToast(
+        file.type.startsWith("image/")
+          ? "当前模型不支持上传图片"
+          : "当前模型不支持上传附件文件",
+      );
+      continue;
+    }
+    await addFileAsAttachment(file, uploadType);
+  }
 
   input.value = "";
 }
@@ -568,7 +626,7 @@ onMounted(() => {
   }
 
   &.send {
-    background: #e5e7eb;
+    background: rgba(0, 15, 51, 0.20);
     color: #9ca3af;
 
     .dark & {
@@ -586,26 +644,26 @@ onMounted(() => {
     }
 
     &.loading {
-      background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
+      background: #000F33;
       color: white;
       cursor: wait;
     }
 
     &:disabled {
+      background: rgba(0, 15, 51, 0.20);
       cursor: not-allowed;
       opacity: 0.6;
     }
   }
 
-  &.stop {
-    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
-    color: white;
-    animation: pulse 2s infinite;
-
-    &:hover {
-      transform: scale(1.05);
-    }
-  }
+  &.stop {
+    background: #000F33;
+    color: white;
+
+    &:hover {
+      transform: scale(1.05);
+    }
+  }
 }
 
 .textarea-wrapper {
@@ -667,7 +725,7 @@ onMounted(() => {
   background: var(---FFFFFF, #FFF);
   border: 1px solid transparent;
   color: var(--6-666666, #666);
-  font-size: 13px;
+  font-size: 14px;
   cursor: pointer;
   transition: all 0.2s ease;
 
@@ -703,15 +761,4 @@ onMounted(() => {
   }
 }
 
-@keyframes pulse {
-
-  0%,
-  100% {
-    box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4);
-  }
-
-  50% {
-    box-shadow: 0 0 0 8px rgba(239, 68, 68, 0);
-  }
-}
-</style>
+</style>

src/components/input/UploadActionCards.vue

@@ -153,7 +153,7 @@ function handleClick(action: UploadAction) {
 }
 
 .card-title {
-  font-size: 13px;
+  font-size: 14px;
   font-weight: 700;
   line-height: 1.1;
 }

src/components/message/CodeBlock.vue

@@ -120,7 +120,7 @@ function toggleExpand() {
   display: flex;
   align-items: center;
   gap: 8px;
-  font-size: 13px;
+  font-size: 14px;
   font-weight: 500;
   color: #a6adc8;
 
@@ -170,7 +170,7 @@ function toggleExpand() {
 
     code {
       font-family: "JetBrains Mono", "Fira Code", "Monaco", monospace;
-      font-size: 13px;
+      font-size: 14px;
       line-height: 1.6;
       color: #cdd6f4;
       tab-size: 2;

src/components/message/MessageActions.vue

@@ -276,7 +276,7 @@ if (typeof window !== "undefined") {
   border-radius: 8px;
   background: transparent;
   color: #374151;
-  font-size: 13px;
+  font-size: 14px;
   text-align: left;
   cursor: pointer;
   transition: all 0.15s ease;

src/components/message/MessageBubble.vue

@@ -71,13 +71,22 @@
 
           <!-- 图片展示 -->
           <div v-if="message.content.images?.length" class="images-grid">
-            <div v-for="(image, index) in message.content.images" :key="image.id" class="image-item"
-              @click="$emit('preview-image', image, index)">
-              <img :src="image.url" :alt="image.name" loading="lazy" />
-              <div class="image-overlay">
-                <Maximize2 :size="18" />
+            <n-image-group>
+              <div v-for="image in message.content.images" :key="image.id" class="image-item">
+                <n-image
+                  class="message-image"
+                  :src="image.url"
+                  object-fit="cover"
+                  :img-props="{
+                    alt: image.name,
+                    loading: 'lazy',
+                  }"
+                />
+                <div class="image-overlay">
+                  <Maximize2 :size="18" />
+                </div>
               </div>
-            </div>
+            </n-image-group>
           </div>
 
           <!-- 单个视频 -->
@@ -121,15 +130,17 @@
         </template>
 
         <!-- 加载动画 -->
-        <!-- <div v-if="message.isStreaming && !message.content.text" class="loading-dots">
-          <span></span>
-          <span></span>
-          <span></span>
-        </div> -->
+        <div
+          v-if="message.role === 'assistant' && message.isStreaming"
+          class="loading-spinner-row"
+          aria-label="模型正在生成中"
+        >
+          <span class="loading-spinner" aria-hidden="true"></span>
+        </div>
       </div>
 
       <!-- 操作栏 -->
-      <MessageActions v-if="
+      <!-- <MessageActions v-if="
         message.role === 'assistant' &&
         !message.isStreaming &&
         !message.isError &&
@@ -137,7 +148,7 @@
         !isMessageSelectMode
       " :content="message.content.text || ''" :feedback="message.feedback" :show-regenerate="true"
         :is-hovered="isHovered" :is-new="isNew" :is-break="message.isBreak" @copy="handleCopy" @like="handleLike"
-        @dislike="handleDislike" @regenerate="$emit('regenerate')" @share="handleShareClick" />
+        @dislike="handleDislike" @regenerate="$emit('regenerate')" @share="handleShareClick" /> -->
     </div>
   </div>
 </template>
@@ -158,6 +169,7 @@ import {
   Play,
   Check,
 } from "@/components/icons";
+import { NImage, NImageGroup } from "naive-ui";
 import MessageActions from "./MessageActions.vue";
 import { formatFileSize, getFileIcon } from "@/utils/helpers";
 import type { Message, Suggestion, Attachment, VideoInfo } from "@/types/chat";
@@ -361,17 +373,17 @@ setCustomComponents("playground-demo", {
     .message-body {
       position: relative;
 
-      &::after {
-        content: "";
-        position: absolute;
-        bottom: 12px;
-        right: 12px;
-        width: 8px;
-        height: 8px;
-        background: #3b82f6;
-        border-radius: 50%;
-        animation: pulse 1.5s infinite;
-      }
+      // &::after {
+      //   content: "";
+      //   position: absolute;
+      //   bottom: 12px;
+      //   right: 12px;
+      //   width: 8px;
+      //   height: 8px;
+      //   background: #3b82f6;
+      //   border-radius: 50%;
+      //   animation: pulse 1.5s infinite;
+      // }
     }
   }
 }
@@ -441,11 +453,9 @@ setCustomComponents("playground-demo", {
 // markstream-vue 样式覆盖
 .text-content {
   :deep(p) {
-    margin: 0 0 12px;
+    margin: 0 0 16px;
+
 
-    &:last-child {
-      margin-bottom: 0;
-    }
   }
 
   :deep(ul),
@@ -573,7 +583,7 @@ setCustomComponents("playground-demo", {
     border-radius: 6px;
     background: #ef4444;
     color: white;
-    font-size: 13px;
+    font-size: 14px;
     cursor: pointer;
     transition: background 0.2s ease;
 
@@ -599,7 +609,7 @@ setCustomComponents("playground-demo", {
   border-radius: 20px;
   background: white;
   color: #374151;
-  font-size: 13px;
+  font-size: 14px;
   cursor: pointer;
   transition: all 0.2s ease;
 
@@ -635,7 +645,12 @@ setCustomComponents("playground-demo", {
   overflow: hidden;
   cursor: pointer;
 
-  img {
+  :deep(.n-image) {
+    width: 100%;
+    height: 100%;
+  }
+
+  :deep(.n-image img) {
     width: 100%;
     height: 100%;
     object-fit: cover;
@@ -652,10 +667,11 @@ setCustomComponents("playground-demo", {
     color: white;
     opacity: 0;
     transition: opacity 0.2s ease;
+    pointer-events: none;
   }
 
   &:hover {
-    img {
+    :deep(.n-image img) {
       transform: scale(1.05);
     }
 
@@ -664,6 +680,13 @@ setCustomComponents("playground-demo", {
     }
   }
 }
+.images-grid{
+display: flex;
+  flex-wrap: wrap;
+  gap: 12px;
+  margin-top: 12px;
+
+}
 
 .single-video {
   margin-top: 12px;
@@ -734,7 +757,7 @@ setCustomComponents("playground-demo", {
   align-items: center;
   gap: 12px;
   padding: 12px 16px;
-  background: rgba(0, 0, 0, 0.03);
+  background: rgba(0, 0, 0, 0.05);
   border-radius: 10px;
 
   .dark & {
@@ -811,6 +834,26 @@ setCustomComponents("playground-demo", {
   }
 }
 
+.loading-spinner-row {
+  display: flex;
+  align-items: center;
+  padding: 8px 0 0;
+}
+
+.loading-spinner {
+  width: 14px;
+  height: 14px;
+  border: 2px solid rgba(102, 102, 102, 0.25);
+  border-top-color: #666666;
+  border-radius: 50%;
+  animation: spin 0.8s linear infinite;
+
+  .dark & {
+    border-color: rgba(255, 255, 255, 0.25);
+    border-top-color: #f3f4f6;
+  }
+}
+
 @keyframes fadeIn {
   from {
     opacity: 0;
@@ -852,6 +895,12 @@ setCustomComponents("playground-demo", {
   }
 }
 
+@keyframes spin {
+  to {
+    transform: rotate(360deg);
+  }
+}
+
 // 消息选择复选框
 .message-checkbox {
   position: absolute;

src/components/message/components/ThinkingNode.vue

@@ -64,7 +64,7 @@ async function textCopy(data: any) {
       </div> -->
       <div class="thinking-title">
         <!-- TODO: 深度思考样式 -->
-        <span class="text-lg"> 深度思考</span>
+        <span > 深度思考</span>
         <!-- 加载动画 -->
         <span v-if="node.loading" class="thinking-dots visible" aria-hidden="true">
           <span class="dot dot-1" />
@@ -86,7 +86,7 @@ async function textCopy(data: any) {
 
     <!-- 可折叠的内容区域 -->
     <div class="thinking-content" :class="{ collapsed }">
-      <div class="mt-3 text-sm leading-relaxed dark:text-slate-100">
+      <div class="mt-3 text-[13px] leading-relaxed dark:text-slate-100">
         <MarkdownRender :content="node.content" @copy="textCopy" />
       </div>
     </div>
@@ -108,6 +108,7 @@ async function textCopy(data: any) {
   display: flex;
   align-items: center;
   justify-content: space-between;
+  padding: 0 0 15px 0;
   border-bottom: 1px solid #e2e8f0;
   gap: 12px;
   cursor: pointer;
@@ -159,7 +160,7 @@ line-height: 21px;
 .thinking-content {
   color: var(--9-999999, #999);
   font-family: "Microsoft YaHei";
-  font-size: 13px;
+  font-size: 14px;
   font-style: normal;
   font-weight: 400;
   line-height: 20px;

src/components/modals/SettingsModal.vue

@@ -746,7 +746,7 @@ function handleClearData() {
   border-radius: 10px;
   background: white;
   color: #6b7280;
-  font-size: 13px;
+  font-size: 14px;
   cursor: pointer;
   transition: all 0.2s ease;
 
@@ -786,7 +786,7 @@ function handleClearData() {
   border-radius: 8px;
   background: transparent;
   color: #6b7280;
-  font-size: 13px;
+  font-size: 14px;
   cursor: pointer;
   transition: all 0.2s ease;
 

src/components/modals/ShareModal.vue

@@ -354,7 +354,7 @@ watch(show, (newVal: boolean) => {
     display: flex;
     align-items: center;
     gap: 8px;
-    font-size: 13px;
+    font-size: 14px;
     color: #4b5563;
 
     .dark & {
@@ -495,7 +495,7 @@ watch(show, (newVal: boolean) => {
   padding: 12px;
   background: rgba(59, 130, 246, 0.05);
   border-radius: 10px;
-  font-size: 13px;
+  font-size: 14px;
   color: #3b82f6;
 
   .dark & {

src/components/modals/ShareResultModal.vue

@@ -262,7 +262,7 @@ watch(show, (newVal: boolean) => {
 .share-section {
   .share-label {
     display: block;
-    font-size: 13px;
+    font-size: 14px;
     font-weight: 500;
     color: #374151;
     margin-bottom: 8px;
@@ -282,7 +282,7 @@ watch(show, (newVal: boolean) => {
     padding: 12px 14px;
     border: 1px solid #e5e7eb;
     border-radius: 10px;
-    font-size: 13px;
+    font-size: 14px;
     color: #1f2937;
     background: #f9fafb;
 
@@ -307,7 +307,7 @@ watch(show, (newVal: boolean) => {
     border-radius: 10px;
     background: #f3f4f6;
     color: #374151;
-    font-size: 13px;
+    font-size: 14px;
     font-weight: 500;
     cursor: pointer;
     transition: all 0.2s ease;
@@ -336,7 +336,7 @@ watch(show, (newVal: boolean) => {
   padding: 12px;
   background: rgba(245, 158, 11, 0.1);
   border-radius: 10px;
-  font-size: 13px;
+  font-size: 14px;
   color: #f59e0b;
 }
 

src/components/modals/ShortcutsModal.vue

@@ -264,7 +264,7 @@ function close() {
 }
 
 .tip {
-  font-size: 13px;
+  font-size: 14px;
   color: #9ca3af;
 
   kbd {

src/components/sidebar/ChatSidebar.vue

@@ -583,7 +583,7 @@ onBeforeUnmount(() => {
 
 .search-placeholder {
   flex: 1;
-  font-size: 13px;
+  font-size: 14px;
 }
 
 .search-kbd {

src/components/sidebar/ConversationItem.vue

@@ -39,12 +39,11 @@
       <n-tooltip :style="{ borderRadius: '5px', padding: '7px 15px' }">
         <template #trigger>
           <button
-            class="action-btn"
+            class="action-btn pin-toggle-btn"
             @click="handleTogglePin"
           >
-            <!-- TODO: 取消置顶图标 -->
-            <PinOff v-if="conversation.pinned" :size="14" />
-            <PinIcon v-else :size="14" />
+            <PinOffActionIcon v-if="conversation.pinned" :size="14" />
+            <PinActionIcon v-else :size="14" />
           </button>
         </template>
         {{ conversation.pinned ? '取消置顶' : '置顶' }}
@@ -83,7 +82,6 @@
 <script setup lang="ts">
 import { ref, computed, nextTick } from "vue";
 import {
-  PinOff,
   Check,
 } from "@/components/icons";
 import { formatTimestamp } from "@/utils/helpers";
@@ -91,6 +89,8 @@ import type { Conversation } from "@/types/chat";
 import { NTooltip } from "naive-ui";
 import MessageIcon from "../icons/custom/MessageIcon.vue";
 import PinIcon from "../icons/custom/PinIcon.vue";
+import PinActionIcon from "../icons/custom/PinActionIcon.vue";
+import PinOffActionIcon from "../icons/custom/PinOffActionIcon.vue";
 import EditIcon from "../icons/custom/EditIcon.vue";
 import DeleteIcon from "../icons/custom/DeleteIcon.vue";
 import ShareIcon from "../icons/custom/ShareIcon.vue";
@@ -210,11 +210,22 @@ function handleDelete() {
     .item-title {
       font-weight: 700;
     }
+  }
 
+  &.active:hover {
     .item-actions {
       opacity: 1;
       pointer-events: auto;
     }
+
+    .pin-indicator {
+      opacity: 0;
+    }
+
+    .item-content {
+      flex: 0 1 clamp(72px, 28%, 96px);
+      max-width: clamp(72px, 28%, 96px);
+    }
   }
 }
 
@@ -315,7 +326,7 @@ function handleDelete() {
 
   &:hover {
     background: rgba(0, 0, 0, 0.1);
-    color: #374151;
+    color: #000F33;
 
     .dark & {
       background: rgba(255, 255, 255, 0.1);
@@ -324,8 +335,23 @@ function handleDelete() {
   }
 
   &.delete:hover {
-    background: rgba(239, 68, 68, 0.1);
-    color: #ef4444;
+    color: #f86361;
+  }
+}
+
+.pin-toggle-btn {
+  color: #666666;
+
+  .dark & {
+    color: #666666;
+  }
+
+  &:hover {
+    color: #000f33;
+
+    .dark & {
+      color: #000f33;
+    }
   }
 }
 

src/components/sidebar/ShareButton.vue

@@ -74,7 +74,7 @@ function handleShareCurrent() {
 }
 
 .select-info {
-  font-size: 13px;
+  font-size: 14px;
   color: #6b7280;
   text-align: center;
 
@@ -92,7 +92,7 @@ function handleShareCurrent() {
   flex: 1;
   padding: 8px 12px;
   border-radius: 10px;
-  font-size: 13px;
+  font-size: 14px;
   font-weight: 500;
   cursor: pointer;
   transition: all 0.2s ease;

src/components/ui/StackedCards.vue

@@ -1,6 +1,6 @@
 <script setup lang="ts">
 import { ref, computed, onMounted, onUnmounted, watch } from 'vue'
-import { NModal, NImage } from 'naive-ui'
+import { NImage, NTooltip } from 'naive-ui'
 import PlusIcon from '../icons/custom/PlusIcon.vue'
 export interface CardItem {
   id: string | number
@@ -42,16 +42,7 @@ const isExpanded = ref(false)
 const isWrapperHovered = ref(false)
 const hoveredCardId = ref<string | number | null>(null)
 const containerRef = ref<HTMLElement | null>(null)
-const previewCard = ref<CardItem | null>(null)
 const canUpload = computed(() => props.supportsFiles || props.supportsVision)
-const isPreviewVisible = computed({
-  get: () => !!previewCard.value,
-  set: (value: boolean) => {
-    if (!value) {
-      closePreview()
-    }
-  },
-})
 const CARD_SCALE = 0.5
 
 // 默认颜色调色板 - 霓虹色系
@@ -138,21 +129,6 @@ function getCardImageUrl(card: CardItem) {
   return card.thumbnail || ''
 }
 
-function openPreview(card: CardItem) {
-  if (card.type !== 'image') return
-  const imageUrl = getCardImageUrl(card)
-  if (!imageUrl) return
-  previewCard.value = card
-}
-
-function closePreview() {
-  previewCard.value = null
-}
-
-function removePreviewCard() {
-  closePreview()
-}
-
 function removeCard(card: CardItem) {
   emit('remove', card.id)
 }
@@ -170,10 +146,6 @@ function handleCardClick(card: CardItem) {
     expandCards()
     return
   }
-
-  if (card.type === 'image') {
-    openPreview(card)
-  }
 }
 
 const cardStyle = computed(() => (index: number, total: number) => {
@@ -214,9 +186,21 @@ const cardStyle = computed(() => (index: number, total: number) => {
 
 const handleDocumentClick = (event: MouseEvent) => {
   if (!containerRef.value) return
+  const target = event.target as HTMLElement | null
+
+  // Naive UI 图片预览层挂载在 body 下，点击其工具栏不应触发卡片收起
+  if (
+    target?.closest(
+      '.n-image-preview-container, .n-image-preview-toolbar, .n-image-preview-overlay, .n-image-preview-close',
+    )
+  ) {
+    return
+  }
+
+  if (!target) return
 
   // 点击卡片组外部时收起
-  if (!containerRef.value.contains(event.target as Node)) {
+  if (!containerRef.value.contains(target)) {
     if (isExpanded.value) {
       isExpanded.value = false
       hoveredCardId.value = null
@@ -262,58 +246,96 @@ watch(
     @click="expandCards">
     <div class="cards-wrapper" @mouseenter="isWrapperHovered = true" @mouseleave="isWrapperHovered = false">
       <TransitionGroup name="card-spread">
-        <div v-for="(card, index) in cards" :key="card.id" class="card" :style="cardStyle(index, cards.length)"
-          @mouseenter="hoveredCardId = card.id" @mouseleave="hoveredCardId = null" @click="handleCardClick(card)">
-          <div class="card-glow" :style="{ background: getCardColor(card, index) }" />
-          <div v-if="card.type === 'image' && getCardImageUrl(card)" class="card-media">
-            <img :src="getCardImageUrl(card)" :alt="getCardTitle(card, index)" />
-            <div v-if="card.uploading" class="card-media-uploading">
-              <div class="card-media-uploading-spinner" aria-hidden="true" />
-              <span class="card-media-uploading-text">上传中</span>
+        <NTooltip
+          v-for="(card, index) in cards"
+          :key="card.id"
+          trigger="hover"
+          placement="top"
+        >
+          <template #trigger>
+            <div class="card" :style="cardStyle(index, cards.length)"
+              @mouseenter="hoveredCardId = card.id" @mouseleave="hoveredCardId = null" @click="handleCardClick(card)">
+              <div class="card-glow" :style="{ background: getCardColor(card, index) }" />
+              <div v-if="card.type === 'image' && getCardImageUrl(card)" class="card-media">
+                <NImage
+                  :src="getCardImageUrl(card)"
+                  :alt="getCardTitle(card, index)"
+                  object-fit="cover"
+                  :preview-disabled="!isExpanded || card.uploading || card.deleting"
+                  :img-props="{ loading: 'lazy' }"
+                />
+                <div v-if="card.uploading" class="card-media-uploading">
+                  <div class="card-media-uploading-spinner" aria-hidden="true" />
+                  <span class="card-media-uploading-text">上传中</span>
+                </div>
+                <div v-else-if="card.deleting" class="card-media-deleting">
+                  <div class="card-media-deleting-spinner" aria-hidden="true" />
+                  <span class="card-media-deleting-text">删除中</span>
+                </div>
+              </div>
+              <div v-else-if="card.type === 'image'" class="card-preview">
+                <div v-if="getCardImageUrl(card)" class="card-preview-image">
+                  <NImage
+                    :src="getCardImageUrl(card)"
+                    :alt="getCardTitle(card, index)"
+                    object-fit="cover"
+                    :preview-disabled="!isExpanded || card.uploading || card.deleting"
+                    :img-props="{ loading: 'lazy' }"
+                  />
+                </div>
+                <div class="card-preview-fallback">
+                  <span class="card-icon">
+                    {{ getCardIcon(card) }}
+                  </span>
+                </div>
+                <div v-if="card.deleting" class="card-preview-deleting">
+                  <div class="card-preview-deleting-spinner" aria-hidden="true" />
+                  <span class="card-preview-deleting-text">删除中</span>
+                </div>
+              </div>
+              <div v-else class="card-file-preview">
+                <div class="card-file-icon" aria-hidden="true">
+                  <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16" fill="none">
+                    <rect x="2.5" y="1.5" width="11" height="13" rx="1.5" stroke="#666666" />
+                    <path d="M5 5H11" stroke="#666666" stroke-linecap="round" />
+                    <path d="M5 8H11" stroke="#666666" stroke-linecap="round" />
+                    <path d="M5 11H11" stroke="#666666" stroke-linecap="round" />
+                  </svg>
+                </div>
+                <div class="card-file-name" :title="getCardTitle(card, index)">
+                  {{ getCardTitle(card, index) }}
+                </div>
+                <div v-if="card.deleting" class="card-preview-deleting">
+                  <div class="card-preview-deleting-spinner" aria-hidden="true" />
+                  <span class="card-preview-deleting-text">删除中</span>
+                </div>
+              </div>
+              <button v-if="!card.deleting && isWrapperHovered && (hoveredCardId === card.id || (!hoveredCardId && index === 0))"
+                type="button" class="card-delete-btn" title="删除 OSS 文件" @click.stop="removeCard(card)">
+                <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16" fill="none">
+                  <rect width="16.0008" height="16" rx="8" fill="#999999" />
+                  <path d="M5.49512 5.33374L10.6692 10.6624" stroke="white" stroke-linecap="round" />
+                  <path d="M10.5068 5.33813L5.33271 10.6668" stroke="white" stroke-linecap="round" />
+                </svg>
+              </button>
             </div>
-            <div v-else-if="card.deleting" class="card-media-deleting">
-              <div class="card-media-deleting-spinner" aria-hidden="true" />
-              <span class="card-media-deleting-text">删除中</span>
-            </div>
-          </div>
-          <div v-else class="card-preview">
-            <div v-if="getCardImageUrl(card)" class="card-preview-image">
-              <img :src="getCardImageUrl(card)" :alt="getCardTitle(card, index)" />
-            </div>
-            <div class="card-preview-fallback">
-              <span class="card-icon">
-                {{ getCardIcon(card) }}
-              </span>
-            </div>
-            <div v-if="card.deleting" class="card-preview-deleting">
-              <div class="card-preview-deleting-spinner" aria-hidden="true" />
-              <span class="card-preview-deleting-text">删除中</span>
-            </div>
-          </div>
-          <button v-if="!card.deleting && isWrapperHovered && (hoveredCardId === card.id || (!hoveredCardId && index === 0))"
-            type="button" class="card-delete-btn" title="删除 OSS 文件" @click.stop="removeCard(card)">
-            ✕
-          </button>
-        </div>
+          </template>
+          {{ getCardTitle(card, index) }}
+        </NTooltip>
       </TransitionGroup>
     </div>
 
-    <NModal v-model:show="isPreviewVisible" preset="card" :mask-closable="true" :close-on-esc="true"
-      :on-close="removePreviewCard" class="image-preview-modal"
-      :content-style="{ width: '100%', height: '100%', padding: '0', overflow: 'hidden' }"
-      :style="{ width: '100vw', height: '100vh', maxWidth: '100vw', margin: '0', padding: '0', borderRadius: '0', background: 'rgba(5, 7, 12, 0.96)' }">
-      <div class="image-preview-shell">
-        <NImage v-if="previewCard" :src="getCardImageUrl(previewCard)" :alt="getCardTitle(previewCard, 0)"
-          object-fit="contain" preview-disabled :img-props="{
-            style: {
-              width: '100%',
-              height: '100%',
-              maxWidth: '100%',
-              maxHeight: '100%',
-            },
-          }" class="image-preview-content" />
-      </div>
-    </NModal>
+    <button
+      v-if="!isExpanded"
+      type="button"
+      class="cards-upload-fab"
+      :class="{ disabled: !canUpload }"
+      :disabled="!canUpload"
+      :title="canUpload ? '上传附件或图片' : '当前模型不支持上传'"
+      @click.stop="emit('add-upload')"
+    >
+      <PlusIcon :size="12" />
+    </button>
 
   </div>
 </template>
@@ -329,6 +351,35 @@ watch(
   perspective: 1000px;
 }
 
+.cards-upload-fab {
+  position: absolute;
+  right: 2px;
+  bottom: 2px;
+  z-index: 999;
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  width: 18px;
+  height: 18px;
+  border: 1px solid #e5e7eb;
+  border-radius: 999px;
+  background: #ffffff;
+  color: #999999;
+  box-shadow: 0 1px 4px rgba(15, 23, 42, 0.16);
+  cursor: pointer;
+  transition: transform 0.2s ease, opacity 0.2s ease, background 0.2s ease;
+}
+
+.cards-upload-fab:hover:not(:disabled) {
+  transform: scale(1.06);
+}
+
+.cards-upload-fab.disabled,
+.cards-upload-fab:disabled {
+  opacity: 0.45;
+  cursor: not-allowed;
+}
+
 .stacked-cards-empty {
   display: flex;
   align-items: center;
@@ -348,17 +399,18 @@ watch(
   position: absolute;
   width: 74%;
   height: 100%;
-  border-radius: 5px;
+  border-radius: 10px;
   border: 1px solid var(--card-border-color, var(--ffffff, #FFF));
   background: url(<path-to-image>) lightgray 50% / cover no-repeat;
   cursor: pointer;
-  overflow: hidden;
+  /* overflow: hidden; */
   transition: transform 0.35s ease-out, opacity 0.35s ease-out;
   will-change: transform, opacity;
 }
 
 .card-media,
-.card-preview {
+.card-preview,
+.card-file-preview {
   position: absolute;
   inset: 0;
   z-index: 0;
@@ -366,6 +418,8 @@ watch(
 
 .card-media {
   cursor: default;
+  border-radius: 10px;
+  overflow: hidden;
 }
 
 .card-media-uploading {
@@ -456,33 +510,41 @@ watch(
 
 .card-delete-btn {
   position: absolute;
-  top: 0.35rem;
-  right: 0.35rem;
+  top: -0.3rem;
+  right: -0.3rem;
   z-index: 4;
   display: inline-flex;
   align-items: center;
   justify-content: center;
-  width: 0.95rem;
-  height: 0.95rem;
+  width: 16.001px;
+  height: 16px;
+  aspect-ratio: 1 / 1;
   padding: 0;
   border: 0;
-  border-radius: 999px;
-  background: rgba(239, 68, 68, 0.9);
-  color: #fff;
-  font-size: 0.55rem;
-  line-height: 1;
+  border-radius: 50%;
+  background: transparent;
   cursor: pointer;
-  backdrop-filter: blur(10px);
-  transition: transform 0.2s ease, opacity 0.2s ease, background 0.2s ease;
+  transition: transform 0.2s ease, opacity 0.2s ease;
 }
 
 .card-delete-btn:hover {
   transform: scale(1.08);
-  background: rgba(220, 38, 38, 0.98);
 }
 
-.card-media img,
-.card-preview-image img {
+.card-delete-btn svg {
+  width: 16.001px;
+  height: 16px;
+  display: block;
+}
+
+.card-media :deep(.n-image),
+.card-preview-image :deep(.n-image) {
+  width: 100%;
+  height: 100%;
+}
+
+.card-media :deep(.n-image img),
+.card-preview-image :deep(.n-image img) {
   width: 100%;
   height: 100%;
   object-fit: cover;
@@ -555,6 +617,38 @@ watch(
   font-size: 0.95rem;
 }
 
+.card-file-preview {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  gap: 6px;
+  padding: 8px 6px;
+  background: #fff;
+}
+
+.card-file-icon {
+  width: 16px;
+  height: 16px;
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+}
+
+.card-file-name {
+  width: 100%;
+  color: var(--6-666666, #666);
+  font-family: "Microsoft YaHei";
+  font-size: 10px;
+  font-style: normal;
+  font-weight: 400;
+  line-height: normal;
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  text-align: center;
+}
+
 
 .card:hover .card-glow {
   opacity: 0.15;
@@ -709,61 +803,6 @@ watch(
   transform: translateX(-50%) translateY(6px);
 }
 
-.image-preview-modal :deep(.n-card) {
-  background: transparent;
-  width: 100vw;
-  height: 100vh;
-  margin: 0;
-  overflow: hidden;
-  display: flex;
-  flex-direction: column;
-}
-
-.image-preview-modal :deep(.n-card__content) {
-  flex: 1;
-  min-width: 0;
-  min-height: 0;
-  width: 100%;
-  height: 100%;
-  padding: 0;
-  overflow: hidden;
-  display: flex;
-}
-
-.image-preview-shell {
-  position: relative;
-  width: 100%;
-  height: 100%;
-  min-width: 0;
-  min-height: 0;
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  overflow: hidden;
-}
-
-.image-preview-content {
-  flex: 1;
-  width: 100%;
-  height: 100%;
-  max-width: calc(100vw - 48px);
-  max-height: calc(100vh - 48px);
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  overflow: hidden;
-  z-index: 1;
-}
-
-.image-preview-content :deep(img) {
-  width: 100%;
-  height: 100%;
-  max-width: 100%;
-  max-height: 100%;
-  object-fit: contain;
-  display: block;
-}
-
 /* 响应式 */
 @media (max-width: 640px) {
   .stacked-cards-container {

src/styles/main.scss

@@ -39,7 +39,7 @@
   --header-height: 60px;
   --app-text-color: #333;
   --app-font-family: "Microsoft YaHei", sans-serif;
-  --app-font-size: 12px;
+  --app-font-size: 14px;
   --app-font-style: normal;
   --app-font-weight: 400;
   --app-line-height: normal;
@@ -91,3 +91,7 @@ body,
   opacity: 0;
   transform: translateX(-20px);
 }
+
+hr.hr-node[custom-id="playground-demo"]{
+  margin: 1rem 0;
+}

src/views/HomeView.vue

@@ -85,6 +85,7 @@ authStore.init()
   display: flex;
   width: 100%;
   height: 100%;
-  overflow: hidden;
+  overflow-x: auto;
+  overflow-y: hidden;
 }
-</style>
+</style>

src/views/ShareView.vue

@@ -347,7 +347,7 @@ onMounted(() => {
     display: flex;
     align-items: center;
     gap: 6px;
-    font-size: 13px;
+    font-size: 14px;
     color: #6b7280;
 
     &.expired {
@@ -411,7 +411,7 @@ onMounted(() => {
 }
 
 .verify-error {
-  font-size: 13px;
+  font-size: 14px;
   color: #ef4444;
   margin: 0;
 }
@@ -482,7 +482,7 @@ onMounted(() => {
 }
 
 .conversation-count {
-  font-size: 13px;
+  font-size: 14px;
   color: #6b7280;
 }