FlowingLightBoard/app/src/main/res/layout/activity_set.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:id="@+id/set"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@drawable/background_light"
    android:orientation="vertical">

    <!-- 顶部操作栏：返回+标题+收藏 -->
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="56dp"
        android:gravity="center_vertical"
        android:paddingHorizontal="16dp">

        <ImageView
            android:id="@+id/back"
            android:layout_width="40dp"
            android:layout_height="40dp"
            android:padding="8dp"
            android:src="@mipmap/back"
            android:background="@drawable/shape_circle_click_light" />

        <com.flowing.light.board.tools.CustomTextView
            android:id="@+id/textview_data_name"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:gravity="center"
            android:text="@string/app_name"
            android:textColor="@color/black"
            android:textSize="18sp"
            android:textStyle="bold"
            app:apply_font="true" />

        <ImageView
            android:id="@+id/im_like"
            android:layout_width="40dp"
            android:layout_height="40dp"
            android:padding="8dp"
            android:src="@drawable/selector_love_light"
            android:background="@drawable/shape_circle_click_light" />
    </LinearLayout>

    <!-- 中间预览区：带阴影卡片+大图预览 -->
    <FrameLayout
        android:layout_width="match_parent"
        android:layout_height="280dp"
        android:layout_margin="24dp"
        android:layout_gravity="center_horizontal">

        <androidx.cardview.widget.CardView
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            app:cardBackgroundColor="@color/white"
            app:cardCornerRadius="20dp"
            app:cardElevation="8dp"
            app:cardUseCompatPadding="true">

            <ImageView
                android:id="@+id/image_data"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:scaleType="centerCrop"
                android:background="@color/gray" />
        </androidx.cardview.widget.CardView>

        <!-- 预览图顶部渐变遮罩 -->
        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:background="@drawable/gradient_top_mask_light"
            android:orientation="vertical">
        </LinearLayout>
    </FrameLayout>

    <!-- 底部功能区：下载/应用按钮 -->
    <LinearLayout
        android:id="@+id/layoutDownloadApply"
        android:layout_width="match_parent"
        android:layout_height="56dp"
        android:layout_marginHorizontal="32dp"
        android:layout_marginTop="16dp"
        android:background="@drawable/shape_rounded_button_light"
        android:gravity="center"
        android:backgroundTint="@color/set_btn"
        android:orientation="horizontal">

        <ImageView
            android:id="@+id/im_download"
            android:layout_width="28dp"
            android:layout_height="28dp"
            android:src="@mipmap/download" />

        <com.flowing.light.board.tools.CustomTextView
            android:id="@+id/tv_download"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginStart="12dp"
            android:text="@string/download_apply"
            android:textColor="@color/white"
            android:textSize="17sp"
            android:textStyle="bold"
            app:apply_font="true" />
    </LinearLayout>

    <!-- 推荐标题 -->
    <com.flowing.light.board.tools.CustomTextView
        android:id="@+id/text_for_you"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="24dp"
        android:layout_marginTop="40dp"
        android:text="@string/recommended"
        android:textColor="@color/black"
        android:textSize="18sp"
        android:textStyle="bold"
        app:apply_font="true" />

    <!-- 推荐列表：横向滚动 -->
    <androidx.recyclerview.widget.RecyclerView
        android:id="@+id/recommended_recycler"
        android:layout_width="match_parent"
        android:layout_height="160dp"
        android:layout_marginTop="16dp"
        android:paddingStart="20dp"
        android:clipToPadding="false" />

    <!-- 加载中遮罩 -->
    <FrameLayout
        android:id="@+id/loading"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="@color/black_transparent_50"
        android:clickable="true"
        android:focusable="true"
        android:visibility="gone">

        <ProgressBar
            android:layout_width="60dp"
            android:layout_height="60dp"
            android:layout_gravity="center"
            android:indeterminateTint="@color/white"
            android:background="@drawable/start_pb_drawable_light" />
    </FrameLayout>
</LinearLayout>