一、HTML

               <div
					className='content'
					style={{
						width: '100%',
						position: 'relative',
						overflow: 'hidden',
						height: `${fold ? '14.69rem' : '29.38rem'}`,
					}}
				>
					<img
						src={bottomBanner}
						className='contentImg1'
						style={{
							display: `${fold ? 'block' : 'none'}`
						}}
					/>
					<img
						src={bottomBannerOpen}
						className='contentImg2'
						style={{
							display: `${fold ? 'none' : 'block'}`
						}}
					/>
					{
						gameList?.map((item, index) => (
							<GameList key={index} gemeItem={item} />
						))
					}
				</div>

二、CSS


.content > .contentImg1 {
  z-index: -1;
  position: absolute;
  width: 100%;
  height: 14.69rem;
}
.content > .contentImg2 {
  z-index: -1;
  position: absolute;
  width: 100%;
  height: 29.38rem;
}


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