添加底部view

keyBoard/Class/Me/V/KBSkinBottomActionView.h

@@ -0,0 +1,37 @@
+//
+//  KBSkinBottomActionView.h
+//  keyBoard
+//
+//  底部操作条（圆角胶囊样式），支持点击。用于皮肤详情页下载/购买。
+//
+
+#import <UIKit/UIKit.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+/// 底部操作条（45 高，左右圆角）。
+/// 结构： [  Title   [coinIcon]  [price]  ] 居中对齐
+@interface KBSkinBottomActionView : UIControl
+
+/// 标题，例如：@"Download"
+@property (nonatomic, copy) NSString *titleText;
+
+/// 价格/金币数，例如：@"20"
+@property (nonatomic, copy) NSString *priceText;
+
+/// 图标（可选），例如金币图
+@property (nonatomic, strong, nullable) UIImage *iconImage;
+
+/// 点击回调（也可直接 addTarget 使用）
+@property (nonatomic, copy, nullable) void (^tapHandler)(void);
+
+/// 配置便捷方法
+- (void)configWithTitle:(nullable NSString *)title price:(nullable NSString *)price icon:(nullable UIImage *)icon;
+
+/// 建议固定高度
++ (CGFloat)preferredHeight;
+
+@end
+
+NS_ASSUME_NONNULL_END
+

keyBoard/Class/Me/V/KBSkinBottomActionView.m

@@ -0,0 +1,153 @@
+//
+//  KBSkinBottomActionView.m
+//  keyBoard
+//
+//
+
+#import "KBSkinBottomActionView.h"
+
+@interface KBSkinBottomActionView ()
+@property (nonatomic, strong) UIView *contentView;       // 内部容器，使三项整体居中
+@property (nonatomic, strong) UILabel *titleLabel;      // 左侧标题
+@property (nonatomic, strong) UIImageView *coinImageView; // 中间图标（可选）
+@property (nonatomic, strong) UILabel *priceLabel;      // 右侧价格
+@end
+
+@implementation KBSkinBottomActionView
+
++ (CGFloat)preferredHeight { return 45.0; }
+
+- (instancetype)initWithFrame:(CGRect)frame {
+    if (self = [super initWithFrame:frame]) {
+        self.backgroundColor = [UIColor colorWithHex:0x02BEAC];
+        self.layer.masksToBounds = YES; // 圆角生效
+
+        // 高亮态轻微透明，突出点击感
+        [self addTarget:self action:@selector(onTouchDown) forControlEvents:UIControlEventTouchDown];
+        [self addTarget:self action:@selector(onTouchUp) forControlEvents:UIControlEventTouchUpInside | UIControlEventTouchUpOutside | UIControlEventTouchCancel];
+
+        // 内部容器，承载三个元素，容器整体水平/垂直居中
+        [self addSubview:self.contentView];
+        [self.contentView mas_makeConstraints:^(MASConstraintMaker *make) {
+            make.centerX.equalTo(self);
+            make.centerY.equalTo(self);
+            // 防止文本过长时超出左右边界
+            make.left.greaterThanOrEqualTo(self).offset(16);
+            make.right.lessThanOrEqualTo(self).offset(-16);
+        }];
+
+        // 三个元素放进容器，左右顺序：Title - Icon - Price
+        [self.contentView addSubview:self.titleLabel];
+        [self.contentView addSubview:self.coinImageView];
+        [self.contentView addSubview:self.priceLabel];
+
+        [self.titleLabel mas_makeConstraints:^(MASConstraintMaker *make) {
+            make.left.equalTo(self.contentView);
+            make.centerY.equalTo(self.contentView);
+        }];
+        [self.coinImageView mas_makeConstraints:^(MASConstraintMaker *make) {
+            make.left.equalTo(self.titleLabel.mas_right).offset(8);
+            make.centerY.equalTo(self.contentView);
+            make.width.height.mas_equalTo(18);
+        }];
+        [self.priceLabel mas_makeConstraints:^(MASConstraintMaker *make) {
+            make.left.equalTo(self.coinImageView.mas_right).offset(6);
+            make.right.equalTo(self.contentView);
+            make.centerY.equalTo(self.contentView);
+        }];
+
+        // 默认文案
+        self.titleText = @"Download";
+        self.priceText = @"20";
+        UIImage *img = [UIImage systemImageNamed:@"circle.fill"];
+        self.iconImage = img; // 若项目没有金币图标，用系统占位（黄色）
+        self.coinImageView.tintColor = [UIColor colorWithRed:1.0 green:0.85 blue:0.2 alpha:1.0];
+        // 点击回调（可选）
+        [self addTarget:self action:@selector(handleTap) forControlEvents:UIControlEventTouchUpInside];
+    }
+    return self;
+}
+
+- (void)layoutSubviews {
+    [super layoutSubviews];
+    // 圆角随高度自适应
+    self.layer.cornerRadius = CGRectGetHeight(self.bounds) * 0.5;
+}
+
+#pragma mark - Public
+
+- (void)configWithTitle:(nullable NSString *)title price:(nullable NSString *)price icon:(nullable UIImage *)icon {
+    if (title.length) self.titleText = title;
+    if (price.length) self.priceText = price;
+    if (icon) self.iconImage = icon;
+}
+
+#pragma mark - Actions
+
+- (void)onTouchDown { self.alpha = 0.85; }
+- (void)onTouchUp { self.alpha = 1.0; }
+
+- (void)handleTap {
+    if (self.tapHandler) { self.tapHandler(); }
+}
+
+#pragma mark - Setters
+
+- (void)setTitleText:(NSString *)titleText {
+    _titleText = [titleText copy];
+    self.titleLabel.text = _titleText;
+}
+
+- (void)setPriceText:(NSString *)priceText {
+    _priceText = [priceText copy];
+    self.priceLabel.text = _priceText;
+}
+
+- (void)setIconImage:(UIImage *)iconImage {
+    _iconImage = iconImage;
+    self.coinImageView.image = _iconImage;
+}
+
+#pragma mark - Lazy
+
+- (UILabel *)titleLabel {
+    if (!_titleLabel) {
+        _titleLabel = [[UILabel alloc] init];
+        _titleLabel.font = [UIFont systemFontOfSize:17 weight:UIFontWeightSemibold];
+        _titleLabel.textColor = [UIColor whiteColor];
+        _titleLabel.textAlignment = NSTextAlignmentCenter;
+    }
+    return _titleLabel;
+}
+
+- (UIView *)contentView {
+    if (!_contentView) {
+        _contentView = [[UIView alloc] init];
+        _contentView.backgroundColor = [UIColor clearColor];
+        // 让容器尽量包裹内容
+        [_contentView setContentHuggingPriority:UILayoutPriorityRequired forAxis:UILayoutConstraintAxisHorizontal];
+        [_contentView setContentCompressionResistancePriority:UILayoutPriorityRequired forAxis:UILayoutConstraintAxisHorizontal];
+    }
+    return _contentView;
+}
+
+- (UIImageView *)coinImageView {
+    if (!_coinImageView) {
+        _coinImageView = [[UIImageView alloc] init];
+        _coinImageView.contentMode = UIViewContentModeScaleAspectFit;
+        _coinImageView.clipsToBounds = YES;
+    }
+    return _coinImageView;
+}
+
+- (UILabel *)priceLabel {
+    if (!_priceLabel) {
+        _priceLabel = [[UILabel alloc] init];
+        _priceLabel.font = [UIFont systemFontOfSize:17 weight:UIFontWeightSemibold];
+        _priceLabel.textColor = [UIColor whiteColor];
+        _priceLabel.textAlignment = NSTextAlignmentCenter;
+    }
+    return _priceLabel;
+}
+
+@end

keyBoard/Class/Me/VC/KBSkinDetailVC.m

@@ -8,8 +8,9 @@
 #import "UICollectionViewLeftAlignedLayout.h"
 #import "KBSkinDetailHeaderCell.h"
 #import "KBSkinTagsContainerCell.h"
-#import "KBSkinCardCell.h"    // 已有的 皮肤卡片 cell（用作 2 列网格）
+#import "KBSkinCardCell.h"
 #import "KBSkinSectionTitleCell.h"
+#import "KBSkinBottomActionView.h"
 
 static NSString * const kHeaderCellId = @"kHeaderCellId";
 static NSString * const kTagsContainerCellId = @"kTagsContainerCellId";
@@ -26,6 +27,7 @@ typedef NS_ENUM(NSInteger, KBSkinDetailSection) {
 
 @interface KBSkinDetailVC () <UICollectionViewDataSource, UICollectionViewDelegateFlowLayout>
 @property (nonatomic, strong) UICollectionView *collectionView; // 主列表
+@property (nonatomic, strong) KBSkinBottomActionView *bottomBar; // 底部操作条
 @property (nonatomic, copy) NSArray<NSString *> *tags;           // 标签数据
 @property (nonatomic, copy) NSArray<NSDictionary *> *gridData;   // 底部网格数据
 @end
@@ -44,9 +46,26 @@ typedef NS_ENUM(NSInteger, KBSkinDetailSection) {
         @{ @"title": @"Dopamine" }, @{ @"title": @"Dopamine" },
     ];
 
+    // 1. 列表
     [self.view addSubview:self.collectionView];
+
+    // 2. 底部操作条（左右 15，高 45，可点击）
+    [self.view addSubview:self.bottomBar];
+    [self.bottomBar mas_makeConstraints:^(MASConstraintMaker *make) {
+        make.left.equalTo(self.view).offset(15);
+        make.right.equalTo(self.view).offset(-15);
+        make.height.mas_equalTo([KBSkinBottomActionView preferredHeight]);
+        if (@available(iOS 11.0, *)) {
+            make.bottom.equalTo(self.view.mas_safeAreaLayoutGuideBottom);
+        } else {
+            make.bottom.equalTo(self.view);
+        }
+    }];
+
+    // 列表底部距离操作条顶部 10
     [self.collectionView mas_makeConstraints:^(MASConstraintMaker *make) {
-        make.edges.equalTo(self.view);
+        make.top.left.right.equalTo(self.view);
+        make.bottom.equalTo(self.bottomBar.mas_top).offset(-10);
     }];
 }
 
@@ -156,4 +175,27 @@ typedef NS_ENUM(NSInteger, KBSkinDetailSection) {
     return _collectionView;
 }
 
+#pragma mark - Lazy (Bottom Bar)
+
+- (KBSkinBottomActionView *)bottomBar {
+    if (!_bottomBar) {
+        _bottomBar = [[KBSkinBottomActionView alloc] init];
+        // 中文注释：配置文案与图标，可根据业务传入金币图/价格
+        [_bottomBar configWithTitle:@"Download" price:@"20" icon:nil];
+        __weak typeof(self) weakSelf = self;
+        _bottomBar.tapHandler = ^{
+            // 示例：点击下载/购买
+//            [KBHUD showText:@"点击了下载"];
+            // TODO: 在此处触发下载/购买逻辑
+            [weakSelf handleDownloadAction];
+        };
+    }
+    return _bottomBar;
+}
+
+#pragma mark - Actions
+- (void)handleDownloadAction {
+    // 预留：下载/购买动作
+}
+
 @end

keyBoard/Class/Me/VC/MyVC.m

@@ -29,10 +29,10 @@
 }
 
 - (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event{
-    MySkinVC *vc = [[MySkinVC alloc] init];
-//    KBSkinDetailVC *vc = [[KBSkinDetailVC alloc] init];
+//    MySkinVC *vc = [[MySkinVC alloc] init];
+    KBSkinDetailVC *vc = [[KBSkinDetailVC alloc] init];
 
-    [self.navigationController pushViewController:vc animated:true];
+//    [self.navigationController pushViewController:vc animated:true];
 }
 
 /*