feat: 重做首页热播榜布局

lib/core/theme/app_colors.dart

@@ -50,6 +50,7 @@ abstract final class AppColors {
   static const vipBadgeSurface = Color(0x1F3D2408);
   static const bronze = Color(0xFFCD7F32);
   static const bronzeDeep = Color(0xFFA9713A);
+  static const rankSilver = Color(0xFFC0C0C0);
 
   /// 成功状态。
   static const success = Color(0xFF2FA873);

lib/core/theme/app_dimens.dart

@@ -141,6 +141,21 @@ abstract final class AppDimens {
   static const double recommendRowHeight = 252;
   static const double recommendCardWidth = 122;
 
+  /// 首页热播榜。
+  static const double rankingHeroTitle = 22;
+  static const double rankingHeroSubtitle = 11;
+  static const double rankingPodiumChampionWidth = 110;
+  static const double rankingPodiumChampionHeight = 146;
+  static const double rankingPodiumWidth = 92;
+  static const double rankingPodiumHeight = 122;
+  static const double rankingPodiumRadius = 10;
+  static const double rankingRowHeight = 96;
+  static const double rankingNumberWidth = 56;
+  static const double rankingNumberFont = 48;
+  static const double rankingCoverWidth = 60;
+  static const double rankingCoverHeight = 80;
+  static const double rankingCoverRadius = 6;
+
   /// 全部短剧筛选与追剧双列。
   static const double filterChipFont = 16;
   static const double filterChipHeight = 32;