<?xml version="1.0" encoding="utf-8"?>
<!-- 收藏按钮小条 - 带极轻柔阴影 (0 2 6 rgba(0,0,0,0.12)) -->
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
    <!-- 阴影层 - y偏移2dp，模糊6dp -->
    <item
        android:left="0dp"
        android:top="4dp"
        android:right="0dp"
        android:bottom="-2dp">
        <shape android:shape="rectangle">
            <solid android:color="#1F000000" />
            <corners android:radius="12dp" />
        </shape>
    </item>
    <!-- 主体背景 - 白色30%透明度 (#4DFFFFFF = 30%) -->
    <item
        android:left="0dp"
        android:top="0dp"
        android:right="0dp"
        android:bottom="2dp">
        <shape android:shape="rectangle">
            <solid android:color="#4DFFFFFF" />
            <corners android:radius="12dp" />
        </shape>
    </item>
</layer-list>
