feat(flutter): 完成 K28-A1 四 Tab 首页

lib/pages/discover/widgets/feed_banner_carousel.dart

@@ -4,13 +4,14 @@ import 'dart:async';
 
 import 'package:flutter/material.dart';
 
-import '../../../core/data/models/home_feed.dart';
 import '../../../core/data/models/drama.dart';
+import '../../../core/data/models/home_feed.dart';
 import '../../../core/theme/app_colors.dart';
 import '../../../core/theme/app_dimens.dart';
 import '../../../core/widgets/remote_image.dart';
 import '../../../l10n/app_localizations.dart';
 
+const double _carouselHeight = 154;
 const double _indicatorHeight = 24;
 const double _dotSize = 6;
 const double _activeDotWidth = 18;
@@ -115,6 +116,9 @@ class _FeedBannerCarouselState extends State<FeedBannerCarousel> {
   @override
   Widget build(BuildContext context) {
     if (widget.banners.isEmpty) return const SizedBox.shrink();
+    final height = widget.dramaFor == null
+        ? _carouselHeight
+        : AppDimens.heroBannerHeight;
     return Listener(
       key: const Key('feed-banner-carousel'),
       onPointerDown: (_) => _pause(),
@@ -123,7 +127,7 @@ class _FeedBannerCarouselState extends State<FeedBannerCarousel> {
       child: Column(
         children: [
           SizedBox(
-            height: AppDimens.heroBannerHeight,
+            height: height,
             child: PageView.builder(
               controller: _controller,
               itemCount: widget.banners.length,
@@ -147,20 +151,22 @@ class _FeedBannerCarouselState extends State<FeedBannerCarousel> {
         fit: StackFit.expand,
         children: [
           RemoteImage(banner.imageUrl, showFallbackIcon: true),
-          const DecoratedBox(
+          DecoratedBox(
             decoration: BoxDecoration(
               gradient: LinearGradient(
                 begin: Alignment.topCenter,
                 end: Alignment.bottomCenter,
-                colors: [Color(0x120B0C10), Color(0xE60B0C10)],
+                colors: drama == null
+                    ? const [Color(0x00000000), Color(0x8A0B0C10)]
+                    : const [Color(0x120B0C10), Color(0xE60B0C10)],
               ),
             ),
           ),
           if (drama != null)
             Positioned(
-              left: 16,
-              right: 64,
-              bottom: 14,
+              left: AppDimens.pageHorizontal,
+              right: _copyRightGap,
+              bottom: AppDimens.cardPadding,
               child: Column(
                 crossAxisAlignment: CrossAxisAlignment.start,
                 mainAxisSize: MainAxisSize.min,
@@ -244,6 +250,8 @@ class _FeedBannerCarouselState extends State<FeedBannerCarousel> {
   }
 }
 
+const double _copyRightGap = 64;
+
 class _PlayMark extends StatelessWidget {
   const _PlayMark();