wyxd与聊天页面的切换，

pages/Chat/Chat.css

@@ -105,11 +105,13 @@
 	font-size: 36rpx;
 	font-weight: 700;
 	color: #1a1a2e;
+	align-items: center;
 }
 
 .ncd-header uni-icons {
 	display: flex;
 	flex-shrink: 0;
+	align-items: center;
 }
 
 .ncd-options {
@@ -325,6 +327,62 @@
 	color: #ff4d4f;
 }
 
+/* ==========WYXD 文件入口横幅========== */
+.wyxd-banner {
+	display: flex;
+	align-items: center;
+	padding: 14rpx 24rpx;
+	margin: 6rpx 20rpx;
+	background: linear-gradient(135deg, #e8f4fd, #f0e6ff);
+	border: 1.5rpx solid rgba(120, 120, 220, 0.25);
+	border-radius: 16rpx;
+	box-shadow: 0 2rpx 8rpx rgba(100, 100, 200, 0.08);
+}
+
+.wyxd-banner:active {
+	background: linear-gradient(135deg, #d8eafb, #e6d8ff);
+	transform: scale(0.98);
+}
+
+.wyxd-banner-icon {
+	font-size: 32rpx;
+	color: #6c6ce0;
+	margin-right: 12rpx;
+}
+
+.wyxd-banner-text {
+	flex: 1;
+	font-size: 26rpx;
+	font-weight: 600;
+	color: #4a4ab8;
+	overflow: hidden;
+	text-overflow: ellipsis;
+	white-space: nowrap;
+}
+
+.wyxd-banner-arrow {
+	font-size: 24rpx;
+	color: #9999cc;
+}
+
+.wyxd-banner-close {
+	width: 36rpx;
+	height: 36rpx;
+	line-height: 36rpx;
+	text-align: center;
+	font-size: 28rpx;
+	color: #9999cc;
+	border-radius: 50%;
+	background: rgba(100, 100, 200, 0.08);
+	margin-left: 8rpx;
+	flex-shrink: 0;
+}
+
+.wyxd-banner-close:active {
+	background: rgba(100, 100, 200, 0.18);
+	color: #6c6ce0;
+}
+
 /* ==========聊天主体部分========== */
 .main-chat {
 	display: flex;