update filter style

src/pages/ai/components/AiConversationList.vue

@@ -7,7 +7,7 @@
 		:overlay-props="{ zIndex: popupZIndex - 1 }"
 	>
 		<section class="ai-conversation-list" @scroll="handleScroll">
-			<header class="header glass-white">
+			<header class="header glass-header">
 				<h3>历史会话</h3>
 				<t-button
 					theme="danger"
@@ -65,7 +65,7 @@
 				size="1.5rem"
 				text="正在加载会话"
 			/>
-			<div class="footer glass-white">
+			<div class="footer glass-bottom">
 				<span class="llm gray">Deepseek v4.1-flash</span>
 				<t-button
 					class="agreement-button"
@@ -282,7 +282,6 @@ watch(() => props.sessionKey, async () => {
 		z-index: 1;
 		display: flex;
 		position: sticky;
-		box-shadow: var(--td-shadow-1);
 		align-items: center;
 		justify-content: space-between;
 
@@ -341,16 +340,12 @@ watch(() => props.sessionKey, async () => {
 		display: flex;
 		padding: 0 .5rem;
 		position: sticky;
-		box-shadow: 0 -2px 10px rgba(0, 0, 0, .03);
 		align-items: center;
 		justify-content: space-between;
 
 		.llm {
 			font-size: .875rem;
 		}
-
-		.agreement-button {
-		}
 	}
 }