更新

TUICallKit-Vue3/tongji/styles/weekly-stitch.scss

@@ -740,13 +740,22 @@
 .weekly-page .st-float-inner {
     display: flex;
     align-items: center;
-    gap: 24rpx;
-    padding: 16rpx 16rpx 16rpx 40rpx;
+    gap: 16rpx;
+    padding: 16rpx 16rpx 16rpx 28rpx;
     border-radius: 999rpx;
     background: rgba(255, 255, 255, 0.9);
     backdrop-filter: blur(20rpx);
     border: 1rpx solid rgba(0, 108, 73, 0.1);
     box-shadow: var(--st-shadow-float);
+    transition: border-radius 0.22s ease, padding 0.22s ease, border-color 0.22s ease;
+}
+
+/* 聚焦/有内容时展开：底部对齐让输入框向上增高，圆角收敛为圆角矩形 */
+.weekly-page .st-float-inner.is-expanded {
+    align-items: flex-end;
+    border-radius: 32rpx;
+    padding: 18rpx 16rpx 18rpx 32rpx;
+    border-color: rgba(0, 108, 73, 0.28);
 }
 
 .weekly-page .st-float-icon {
@@ -763,15 +772,30 @@
 .weekly-page .st-float-input {
     flex: 1;
     min-width: 0;
-    height: 64rpx;
+    width: 100%;
+    min-height: 64rpx;
+    max-height: 240rpx;
     font-size: 28rpx;
+    line-height: 40rpx;
     color: var(--on-surface);
     background: transparent;
+    padding: 12rpx 0;
+    box-sizing: border-box;
+    transition: min-height 0.2s ease;
+}
+
+/* 聚焦时输入框变大；内容超长时由 auto-height 继续向上增高，超过上限可滚动 */
+.weekly-page .st-float-inner.is-expanded .st-float-input {
+    min-height: 104rpx;
 }
 
 .weekly-page .st-float-placeholder {
     color: rgba(60, 74, 66, 0.6);
-    font-size: 28rpx;
+    font-size: 26rpx;
+    line-height: 40rpx;
+    white-space: nowrap;
+    overflow: hidden;
+    text-overflow: ellipsis;
 }
 
 .weekly-page .st-float-mic {