feat: 调整样式

pages/home/home.vue

@@ -70,7 +70,7 @@
 							<view class="assistant-icon chat-icon"></view>
 							<text>AI 学习助手（医院知识库）</text>
 						</button>
-						<button class="assistant-button" @click="openTeachingAssistant">
+						<button class="assistant-button disabled" disabled aria-disabled="true">
 							<view class="assistant-icon forum-icon"></view>
 							<text>方老师AI教学助手沟通</text>
 						</button>
@@ -146,10 +146,6 @@ function openLearningAssistant() {
 	showLearningAssistantPage.value = true
 }
 
-function openTeachingAssistant() {
-	showChatPage.value = true
-}
-
 function showToast(message: string) {
 	if (toastTimer) clearTimeout(toastTimer)
 	toastMessage.value = message
@@ -490,6 +486,26 @@ page {
 	transform: scale(0.97);
 }
 
+.assistant-button.disabled,
+.assistant-button[disabled] {
+	background: #e1e2ea;
+	color: #727783;
+	box-shadow: none;
+	opacity: 1;
+	cursor: not-allowed;
+}
+
+.assistant-button.disabled:active,
+.assistant-button[disabled]:active {
+	transform: none;
+	background: #e1e2ea;
+}
+
+.assistant-button.disabled .assistant-icon,
+.assistant-button[disabled] .assistant-icon {
+	background: #727783;
+}
+
 .assistant-icon {
 	width: 20px;
 	height: 20px;