diff --git a/src/AntSK/Pages/ChatPage/Components/ChatView.razor b/src/AntSK/Pages/ChatPage/Components/ChatView.razor
index 6e4727c..b1659c6 100644
--- a/src/AntSK/Pages/ChatPage/Components/ChatView.razor
+++ b/src/AntSK/Pages/ChatPage/Components/ChatView.razor
@@ -15,42 +15,50 @@
         <Virtualize Items="@(MessageList.OrderBy(o => o.CreateTime).ToList())" Context="item">
             @if (item.IsSend)
             {
-                <GridRow>
+                <GridRow Class="message-row" Gutter="(8,8)">
                     <GridCol Span="23">
-                        <div class="chat-bubble sent">
-                            <Popover Title="@item.CreateTime.ToString()">
-                                <Unbound>
-                                    <Flex Vertical RefBack="context">
-                                        @if (item.FileName != null)
-                                        {
-                                            <p class="message-file">
-                                                <Upload DefaultFileList="[new(){ FileName= item.FileName }]" />
-                                            </p>
-                                        }
-                                        <p class="bubble-text">@(item.Context)</p>
-                                    </Flex>
-                                </Unbound>
-                            </Popover>
+                        <div class="message-shell sent">
+                            <div class="chat-bubble sent">
+                                <Popover Title="@item.CreateTime.ToString()">
+                                    <Unbound>
+                                        <Flex Vertical RefBack="context" Class="bubble-body">
+                                            @if (item.FileName != null)
+                                            {
+                                                <p class="message-file">
+                                                    <Upload DefaultFileList="[new(){ FileName= item.FileName }]" />
+                                                </p>
+                                            }
+                                            <p class="bubble-text">@(item.Context)</p>
+                                        </Flex>
+                                    </Unbound>
+                                </Popover>
+                            </div>
+                            <div class="message-meta meta-right">
+                                <span>@item.CreateTime.ToString("HH:mm")</span>
+                                <Icon Class="meta-action" Type="copy" Theme="outline" OnClick="async () =>await OnCopyAsync(item)" />
+                            </div>
                         </div>
-                        <div class="message-meta meta-right">@item.CreateTime.ToString("HH:mm")</div>
-                        <Icon Style="float:right;margin-top:10px;" Type="copy" Theme="outline" OnClick="async () =>await OnCopyAsync(item)" />
                     </GridCol>
-                    <GridCol Span="1">
-                        <Image Class="avatar" Width="28px" Height="28px" Src="./assets/KDpgvguMpGfqaHPjicRK.svg" />
+                    <GridCol Span="1" Class="avatar-col">
+                        <Image Class="avatar" Width="32px" Height="32px" Src="./assets/KDpgvguMpGfqaHPjicRK.svg" />
                     </GridCol>
                 </GridRow>
             }
             else
             {
-                <GridRow>
-                    <GridCol Span="1">
-                        <Image Class="avatar" Width="28px" Height="28px" Style="margin-top:10px;" Src="./assets/method-draw-image.svg" />
+                <GridRow Class="message-row" Gutter="(8,8)">
+                    <GridCol Span="1" Class="avatar-col">
+                        <Image Class="avatar" Width="32px" Height="32px" Src="./assets/method-draw-image.svg" />
                     </GridCol>
                     <GridCol Span="23">
-                        <div class="chat-bubble received">
-                            @((MarkupString)(item.Context))
+                        <div class="message-shell received">
+                            <div class="chat-bubble received">
+                                @((MarkupString)(item.Context))
+                            </div>
+                            <div class="message-meta meta-left">
+                                <span>@item.CreateTime.ToString("HH:mm")</span>
+                            </div>
                         </div>
-                        <div class="message-meta meta-left">@item.CreateTime.ToString("HH:mm")</div>
                     </GridCol>
                 </GridRow>
             }
@@ -83,12 +91,23 @@
 
 <style>
     :root {
-        --bg-start: #f7f9fc;
-        --bg-end: #eef2f7;
+        --surface-base: #ffffff;
+        --surface-elevated: #f5f7fb;
+        --border-subtle: rgba(15, 23, 42, 0.07);
+        --shadow-soft: 0 16px 28px rgba(15, 23, 42, 0.08);
+        --primary-color: var(--ant-primary-color, #1677ff);
+        --primary-soft: rgba(22, 119, 255, 0.12);
         --bubble-recv: #ffffff;
-        --bubble-sent: #daf8cb;
-        --bubble-border: rgba(0,0,0,0.06);
-        --text-secondary: #8a8f98;
+    --bubble-sent: #dce8ff;
+        --bubble-border-sent: rgba(22, 119, 255, 0.25);
+        --text-primary: #1f2329;
+        --text-secondary: #7a808a;
+    }
+
+    @@supports (color: color-mix(in srgb, white 50%, black 50%)) {
+        :root {
+            --bubble-sent: color-mix(in srgb, var(--primary-color) 28%, white);
+        }
     }
 
     #chat {
@@ -97,116 +116,279 @@
         gap: 8px;
         height: 100%;
         min-height: 65vh;
-        background: linear-gradient(180deg, var(--bg-start), var(--bg-end));
-        border-radius: 8px;
-        padding: 8px 8px 0 8px;
+        background: var(--surface-base);
+        border-radius: 16px;
+        padding: 12px 12px 0 12px;
         box-sizing: border-box;
+        border: 1px solid var(--border-subtle);
+        box-shadow: var(--shadow-soft);
     }
 
     #scrollDiv {
-        background: transparent;
-        border-radius: 8px;
+        background: var(--surface-base);
+        border-radius: 12px;
         box-sizing: border-box;
         scroll-behavior: smooth;
+        padding: 6px 8px 18px;
     }
+
     /* custom scrollbar */
     #scrollDiv::-webkit-scrollbar { height: 8px; width: 8px; }
-    #scrollDiv::-webkit-scrollbar-thumb { background: #c7cbd1; border-radius: 8px; }
-    #scrollDiv::-webkit-scrollbar-track { background: transparent; }
+    #scrollDiv::-webkit-scrollbar-thumb { background: rgba(22, 119, 255, 0.22); border-radius: 8px; }
+    #scrollDiv::-webkit-scrollbar-track { background: rgba(15, 23, 42, 0.03); }
+
+    .message-row {
+        margin-bottom: 4px;
+    }
+
+    .message-shell {
+        display: flex;
+        flex-direction: column;
+        gap: 6px;
+    }
+
+    .message-shell.sent {
+        align-items: flex-end;
+    }
+
+    .message-shell.received {
+        align-items: flex-start;
+    }
 
     .chat-bubble {
-        padding: 12px 14px;
-        margin: 6px 10px;
-        border-radius: 14px;
+        display: inline-flex;
+        flex-direction: column;
+        gap: 6px;
+        padding: 14px 16px;
+        border-radius: 16px;
         max-width: 78%;
         position: relative;
-        box-shadow: 0 1px 2px rgba(0,0,0,0.04);
-        border: 1px solid var(--bubble-border);
+        box-shadow: 0 8px 20px rgba(15, 23, 42, 0.08);
+        border: none;
         word-break: break-word;
-        line-height: 1.6;
-        animation: pop .18s ease-out;
+        line-height: 1.65;
+        animation: pop .2s ease-out;
+        transition: transform .2s ease, box-shadow .2s ease;
     }
 
-    .chat-bubble .bubble-text { margin: 0; white-space: pre-wrap; }
-
-    .received {
-        background-color: var(--bubble-recv);
-        align-self: flex-start;
-        float: left;
+    .chat-bubble:hover {
+        transform: translateY(-1px);
+        box-shadow: 0 14px 30px rgba(15, 23, 42, 0.12);
     }
 
-    .sent {
-        background-color: var(--bubble-sent);
-        align-self: flex-end;
-        float: right;
+    .chat-bubble .bubble-text {
+        margin: 0;
+        white-space: pre-wrap;
+        color: var(--text-primary);
+    }
+
+    .chat-bubble .bubble-body {
+        gap: 10px;
+    }
+
+    .chat-bubble.received {
+        background: var(--bubble-recv);
+        box-shadow: 0 8px 18px rgba(15, 23, 42, 0.06), inset 0 0 0 1px rgba(15, 23, 42, 0.05);
+    }
+
+    .chat-bubble.sent {
+    background: var(--bubble-sent);
+        color: #0c1a33;
+        box-shadow: 0 12px 26px rgba(22, 119, 255, 0.18);
+    }
+
+    .chat-bubble.sent .bubble-text {
+        color: #102347;
     }
 
     /* bubble tails */
-    .chat-bubble.received::after {
-        content: "";
-        position: absolute; left: -6px; bottom: 10px;
-        width: 10px; height: 10px; background: var(--bubble-recv);
-        border-left: 1px solid var(--bubble-border);
-        border-bottom: 1px solid var(--bubble-border);
-        transform: rotate(45deg);
-        border-bottom-left-radius: 2px;
-    }
+    .chat-bubble.received::after,
     .chat-bubble.sent::after {
         content: "";
-        position: absolute; right: -6px; bottom: 10px;
-        width: 10px; height: 10px; background: var(--bubble-sent);
-        border-right: 1px solid var(--bubble-border);
-        border-bottom: 1px solid var(--bubble-border);
-        transform: rotate(45deg);
-        border-bottom-right-radius: 2px;
+        position: absolute;
+        bottom: 16px;
+        width: 16px;
+        height: 18px;
+        transform: none;
+        border-radius: 0;
+        box-shadow: none !important;
+        filter: none !important;
+    }
+
+    .chat-bubble.received::after {
+        left: -12px;
+        background: var(--bubble-recv);
+        clip-path: polygon(100% 0, 0 50%, 100% 100%);
+    }
+
+    .chat-bubble.sent::after {
+        right: -12px;
+        background: var(--bubble-sent);
+        clip-path: polygon(0 0, 100% 50%, 0 100%);
     }
 
     .message-meta {
         font-size: 12px;
         color: var(--text-secondary);
-        margin: 2px 12px 4px;
-        clear: both;
+        display: flex;
+        align-items: center;
+        gap: 8px;
+        margin: 0;
     }
-    @@keyframes pop {
-        from { transform: translateY(4px); opacity: .65; }
-        to { transform: translateY(0); opacity: 1; }
-    }
-    .meta-right { text-align: right; }
-    .meta-left { text-align: left; }
 
-    .avatar { border-radius: 50%; box-shadow: 0 0 0 1px #e6e8eb inset; }
+    .meta-right {
+        justify-content: flex-end;
+    }
+
+    .meta-left {
+        justify-content: flex-start;
+        padding-left: 4px;
+    }
+
+    .meta-action {
+        color: var(--text-secondary);
+        cursor: pointer;
+        transition: color .2s ease;
+    }
+
+    .meta-action:hover {
+        color: var(--primary-color);
+    }
+
+    .avatar-col {
+        display: flex;
+        justify-content: center;
+    }
+
+    .avatar {
+        border-radius: 50%;
+        box-shadow: 0 0 0 1px rgba(15, 23, 42, 0.12) inset, 0 6px 16px rgba(15, 23, 42, 0.12);
+    }
 
     .input-bar {
         gap: 8px;
-        padding: 8px 8px 12px;
-        border-top: 1px solid #e6e8eb;
-        background: rgba(255,255,255,0.6);
-        backdrop-filter: blur(4px);
+        padding: 12px;
+        border-top: 1px solid rgba(15, 23, 42, 0.06);
+        background: var(--surface-base);
         position: sticky;
         bottom: 0;
+        box-shadow: 0 -12px 24px rgba(15, 23, 42, 0.06);
+    }
+
+    .input-bar .ant-input {
+        border-radius: 10px;
     }
 
     /* markdown & code inside bubbles */
-    .chat-bubble pre { background:#0b1021; color:#e6e6e6; padding:12px; border-radius:10px; overflow:auto; }
-    .chat-bubble code { background: rgba(27,31,35,0.06); padding: .15rem .35rem; border-radius: 6px; }
-    .chat-bubble pre code { background: transparent; padding: 0; }
-    .chat-bubble table { width: 100%; border-collapse: collapse; }
-    .chat-bubble table td, .chat-bubble table th { border: 1px solid #e6e8eb; padding: 6px 8px; }
+    .chat-bubble pre {
+        background: #0b1021;
+        color: #e6e6e6;
+        padding: 12px;
+        border-radius: 12px;
+        overflow: auto;
+        box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
+    }
 
-    .ant-card-body { height: 90% !important; }
+    .chat-bubble code {
+        background: rgba(27, 31, 35, 0.08);
+        padding: .15rem .35rem;
+        border-radius: 6px;
+    }
+
+    .chat-bubble pre code {
+        background: transparent;
+        padding: 0;
+    }
+
+    .chat-bubble table {
+        width: 100%;
+        border-collapse: collapse;
+    }
+
+    .chat-bubble table td,
+    .chat-bubble table th {
+        border: 1px solid rgba(15, 23, 42, 0.08);
+        padding: 6px 8px;
+    }
 
     .think {
-        color: gray;
+        color: rgba(22, 119, 255, 0.9);
         font-style: italic;
         text-align: left !important;
         display: block;
         margin-top: 5px;
         margin-left: 8px;
-        padding-left: 8px;
-        border-left: 2px solid #7F7FFF;
+        padding-left: 10px;
+        border-left: 3px solid rgba(22, 119, 255, 0.4);
     }
 
-    .message-file { margin: 0 0 6px 0; }
+    .message-file {
+        margin: 0;
+        border-radius: 10px;
+        overflow: hidden;
+    }
+
+    .message-file .ant-upload-list-item {
+        background: rgba(22, 119, 255, 0.08);
+        border: none !important;
+    }
+
+    @@media (max-width: 992px) {
+        #chat {
+            border-radius: 12px;
+            padding: 10px 10px 0;
+        }
+
+        .chat-bubble {
+            max-width: 88%;
+        }
+
+        .input-bar {
+            flex-wrap: wrap;
+        }
+    }
+
+    @@media (prefers-color-scheme: dark) {
+        :root {
+            --surface-base: #111827;
+            --surface-elevated: #1f2937;
+            --border-subtle: rgba(148, 163, 184, 0.16);
+            --shadow-soft: 0 18px 34px rgba(0, 0, 0, 0.45);
+            --text-primary: #f1f5f9;
+            --text-secondary: #94a3b8;
+            --bubble-recv: #1f2937;
+        }
+
+        #chat {
+            background: var(--surface-elevated);
+        }
+
+        #scrollDiv {
+            background: transparent;
+        }
+
+        .chat-bubble {
+            border: 1px solid rgba(148, 163, 184, 0.16);
+        }
+
+        .chat-bubble.received::after {
+            background: var(--bubble-recv);
+            border: none;
+        }
+
+        .message-file .ant-upload-list-item {
+            background: rgba(22, 119, 255, 0.16);
+        }
+
+        .input-bar {
+            background: var(--surface-elevated);
+        }
+    }
+
+    @@keyframes pop {
+        from { transform: translateY(6px); opacity: .55; }
+        to { transform: translateY(0); opacity: 1; }
+    }
 </style>
 
 @code {