フロントエンド開発のよくあるケース (2)

プログラミング 2023-04-09 22:12:26 訪問数: null

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1.ロードローディングアニメーション

コードは以下のように表示されます:

<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>loding加载动画</title>
		<style type="text/css">
			body {
    
    
				margin: 0;
				padding: 0;
			}

			.loading {
    
    
				width: 200px;
				height: 200px;
				background-color: skyblue;
				margin: 100px auto 0;
				position: relative;
			}

			.loading .item {
    
    
				width: 20px;
				height: 20px;
				background-color: rgba(255,255,255,0.2);
				position: absolute;
				top: 0;
				left: 50%;
				margin-left: -10px;
				transform-origin: 10px 100px;
				border-radius: 50%;
				/* 存在逻辑运算 */
				/* 使用自定义属性来进行运算 */
				transform: rotate(calc(var(--i)*40deg));
				animation: loading 1s ease infinite;
				animation-delay: calc(var(--i)*0.11s);
			}
			@keyframes loading {
    
    
				/* 0-1s */
				%0,%50{
    
    
					background-color: rgba(255,255,255,0.2);
				}
				/* 时间50.5%-100% */
				50.5%,100%{
    
    
					background-color: #fff;
				}
			}
			/* .loading .item:nth-child(1) {
				animation-delay: 0s;
			}

			.loading .item:nth-child(2) {
				animation-delay: 0.11s;
			}

			.loading .item:nth-child(3) {
				animation-delay: 0.22s;
			}

			.loading .item:nth-child(4) {
				animation-delay: 0.33s;
			}

			.loading .item:nth-child(5) {
				animation-delay: 0.44s;
			}

			.loading .item:nth-child(6) {
				animation-delay: 0.55s;
			}

			.loading .item:nth-child(7) {
				animation-delay: 0.66s;
			}

			.loading .item:nth-child(8) {
				animation-delay: 0.77s;
			}
			.loading .item:nth-child(9) {
				animation-delay: 0.88s;
			} */
		</style>
	</head>
	<body>
		<div class="loading">
			<div class="item" style="--i:0"></div>
			<div class="item" style="--i:1"></div>
			<div class="item" style="--i:2"></div>
			<div class="item" style="--i:3"></div>
			<div class="item" style="--i:4"></div>
			<div class="item" style="--i:5"></div>
			<div class="item" style="--i:6"></div>
			<div class="item" style="--i:7"></div>
			<div class="item" style="--i:8"></div>
		</div>
	</body>
</html>

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2. 全画面ローディングアニメーション効果

<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>全屏加载动画效果</title>
		<link rel="stylesheet" href="css/animate.min.css">
		<style type="text/css">
			body {
    
    
				margin: 0;
				padding: 0;
			}

			.container {
    
    
				width: 100%;
				/* 浏览器整个高度被分为100份,100vh即为整个页面高度 */
				height: 100vh;
				background-color: aqua;
				position: relative;
			}

			.box {
    
    
				width: 1080px;
				height: 540px;
				/* background-color: beige; */
				position: absolute;
				/* 设置水平居中效果 */
				left: 50%;
				margin-left: -540px;
				top: 50%;
				margin-top: -270px;
			}
			.box .item{
    
    
				float: left;
				margin: 10px;
				border-radius: 10px;
			}
			.item1{
    
    
				width: 250px;
				height: 520px;
				background-image: linear-gradient(to bottom,#fff,pink);
			}
			.item2,.item3{
    
    
				width: 380px;
				height: 250px;
				background-image: linear-gradient(to bottom,pink,#fff);
			}
			.item4,.item5,.item6{
    
    
				width: 250px;
				height: 250px;
				background-image: linear-gradient(to bottom,#fff,pink);
			}
		</style>
	</head>
	<body>
		<div class="container">
			<div class="box">
				<div class="item item1 animate__animated animate__backInDown">可是</div>
				<div class="item item2 animate__animated animate__backInLeft">遗憾的是。</div>
				<div class="item item3 animate__animated animate__backInRight">我们生活在</div>
				<div class="item item4 animate__animated animate__backInUp">两条平行直线</div>
				<div class="item item5 animate__animated animate__bounceIn">永远不会相交的</div>
				<div class="item item6 animate__animated animate__fadeInDown">世界里</div>
			</div>
		</div>
	</body>
</html>

3. パックマン

<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>吃豆豆动画效果</title>
		<style type="text/css">
			body {
    
    
				margin: 0px;
				padding: 0px;
			}

			.eat-peas {
    
    
				width: 600px;
				height: 200px;
				/* background-color: antiquewhite; */
				margin: 150px auto 0;
				position: relative;
			}

			.eat-peas .head {
    
    
				width: 200px;
				height: 200px;
				/* border: 2px solid blue; */
				border-radius: 50%;
				/* 隐藏多余盒子部分 */
				overflow: hidden;
				position: relative;
				z-index: 2;
			}

			/* 利用伪元素构造盒子 */
			.eat-peas .head::before {
    
    
				content: "";
				display: block;
				width: 200px;
				height: 100px;
				background-color: tomato;
				/* 以盒子底部中心为轴向上旋转盒子 */
				transform-origin: bottom center;
				transform: rotate(0deg);
				/* 引入动画 */
				animation: rotate1 .4s ease infinite alternate;
			}

			.eat-peas .head::after {
    
    
				content: "";
				display: block;
				width: 200px;
				height: 100px;
				background-color: tomato;
				/* 以盒子顶部中心为轴向下旋转盒子 */
				transform-origin: top center;
				transform: rotate(0deg);
				/* 引入动画 */
				animation: rotate2 .4s ease infinite alternate;

			}

			@keyframes rotate1 {
    
    
				0% {
    
    
					transform: rotate(0deg);
				}

				100% {
    
    
					transform: rotate(-30deg);
				}
			}
			@keyframes rotate2 {
    
    
				0% {
    
    
					transform: rotate(0deg);
				}
				
				100% {
    
    
					transform: rotate(30deg);
				}
			}
			 /* 眼睛 */
			.eat-peas .eye{
    
    
				width: 20px;
				height: 20px;
				background-color: #000;
				border: 2px solid #fff;
				position: absolute;
				top: 20px;
				left: 80px;
				border-radius: 50%;
			}
			/* 豆豆 */
			.eat-peas .peas{
    
    
				width: 40px;
				height: 40px;
				background-color: tomato;
				border-radius: 50%;
				position: absolute;
				left: 120px;
				top: 50%;
				margin-top: -20px;
				box-shadow: 70px 0px 0px tomato,140px 0px 0px tomato,210px 0px 0px tomato,280px 0px 0px tomato,350px 0px 0px tomato;
				animation: move .8s ease infinite;
			}
			@keyframes move {
    
    
				0%{
    
    
					transform: translateX(0px);
				}
				100%{
    
    
					transform: translateX(-70px);
				}
			}
		</style>
	</head>
	<body>
		<div class="eat-peas">
			<div class="head">
				<div class="eye"></div>
			</div>
			<div class="peas"></div>
		</div>
	</body>
</html>

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4. マウスオーバー 3D フリップ効果

<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>鼠标悬停3D翻转效果</title>
		<style type="text/css">
			body,h3,p{
    
    
				margin: 0;
				padding: 0;
			}
			.scene{
    
    
				width: 400px;
				height: 400px;
				/* border: 2px solid red; */
				margin: 100px auto 0;
				/* 视距,决定了3D效果*/
				perspective: 800px;
			}
			.scene .box{
    
    
				width: 400px;
				height: 300px;
				/* background-color: yellow;*/
				/* 添加过渡动画 */
				transition: all ease 1s;
				position: relative;
				/* 令元素呈现3D效果 */
				transform-style: preserve-3d;
			}
			.scene .box:hover{
    
    
				transform: rotateY(-180deg);
			}
			.box .box-front{
    
    
				width: 400px;
				height: 300px;
				background-color: pink;
				position: absolute;
				left: 0;
				top: 0;
				/* 调高层级 */
				z-index: 2;
			}
			.box .box-mid{
    
    
				width: 400px;
				height: 300px;
				background-color: rgba(0, 0, 0, 0.5);
				position: absolute;
				left: 0;
				top: 0;
				transform: translateZ(-1px);
			}
			.box .box-back{
    
    
				width: 200px;
				height: 200px;
				background-color: skyblue;
				background-image: linear-gradient(to bottom right,pink,#fff,skyblue);
				position: absolute;
				left: 50%;
				margin-left: -100px;
				top: 50%;
				margin-top: -100px;
				transform: translateZ(-100px) rotateY(-180deg);
				font-size: 14px;
				line-height: 20px;
				box-sizing: border-box;
				border-radius: 10px;
			}
			.box .box-back h3{
    
    
				text-align: center;
				color: #000;
				font-weight: 400;
				font-size: 16px;
			}
			.box .box-back p{
    
    
				font-size: 13px;
				margin: 10px;
				font-weight: 200;
				line-height: 20px;
			}
		</style>
	</head>
	<body>
		<div class="scene">
			<div class="box">
				<div class="box-front">
					<img src="images/3d01.jpg" alt="">
				</div>
				<div class="box-mid"></div>
				<div class="box-back">
					<h3>每日一言</h3>
					<p>遗憾的是我们生活在两条平行直线永远不会相交的世界里。</p>
				</div>
			</div>
		</div>
	</body>
</html>

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css3-3d

5.3D カルーセル効果

<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>3D旋转木马效果</title>
		<style type="text/css">
			body{
    
    
				margin: 0;
				padding: 0;
				background-color: #000;
			}
			.scene{
    
    
				width: 600px;
				height: 300px;
				/* border: 2px solid red; */
				margin: 150px auto 0;
				/* 设置视距 */
				perspective: 800px;
			}
			.scene .box{
    
    
				width: 600px;
				height: 300px;
				/* background-color: yellow; */
				/* 设置动画 */
			    /* transition: all 1s ease; */
				position: relative;
				transform-style: preserve-3d;
				animation: rotate 5s ease infinite;
			}
			/* .scene:hover .box{
				transform: rotateY(-300deg);
			} */
			.scene .box .item{
    
    
				width: 200px;
				height: 200px;
				background-color: skyblue;
				position: absolute;
				bottom: 0;
				left: 50%;
				margin-left: -100px;
				/* transform: rotateY(calc(var(--i) * 40deg)) translateZ(300px); */
			}
			.box .item:nth-child(1){
    
    
				transform:  translateZ(300px);
			}
			.box .item:nth-child(2){
    
    
				transform: rotateY(40deg) translateZ(300px);
			}
			.box .item:nth-child(3){
    
    
				transform: rotateY(80deg) translateZ(300px);
			}
			.box .item:nth-child(4){
    
    
				transform: rotateY(120deg) translateZ(300px);
			}
			.box .item:nth-child(5){
    
    
				transform: rotateY(160deg) translateZ(300px);
			}
			.box .item:nth-child(6){
    
    
				transform: rotateY(200deg) translateZ(300px);
			}
			.box .item:nth-child(7){
    
    
				transform: rotateY(240deg) translateZ(300px);
			}
			.box .item:nth-child(8){
    
    
				transform: rotateY(280deg) translateZ(300px);
			}
			.box .item:nth-child(9){
    
    
				transform: rotateY(320deg) translateZ(300px);
			}
			.box:hover{
    
    
				animation-play-state: paused;
			}
			@keyframes rotate {
    
    
				0%{
    
    
					transform: rotateX(-10deg) rotateY(0deg);
				}
				100%{
    
    
					transform: rotateX(-10deg) rotateY(-360deg);
				}
			}
		</style>
	</head>
	<body>
		<div class="scene">
			<div class="box">
				<div class="item --i:0">
					<img src="images/gg1.jpg" alt="" width="200" height="200">
				</div>
				<div class="item --i:1">
					<img src="images/gg2.jpg" alt="" width="200" height="200">
				</div>
				<div class="item --i:2">
					<img src="images/gg3.jpg" alt="" width="200" height="200">
				</div>
				<div class="item --i:3">
					<img src="images/gg4.jpg" alt="" width="200" height="200">
				</div>
				<div class="item --i:4">
					<img src="images/gg4.jpg" alt="" width="200" height="200">
				</div>
				<div class="item --i:5">
					<img src="images/gg1.jpg" alt="" width="200" height="200">
				</div>
				<div class="item --i:6">
					<img src="images/gg1.jpg" alt="" width="200" height="200">
				</div>
				<div class="item --i:7">
					<img src="images/gg1.jpg" alt="" width="200" height="200">
				</div>
				<div class="item --i:8">
					<img src="images/gg1.jpg" alt="" width="200" height="200">
				</div>
			</div>
		</div>
	</body>
</html>

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6.フレックス エラスティック レイアウト - くごうミュージック プレイリスト

<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>flex弹性布局-酷狗音乐播放列表</title>
		<style type="text/css">
			body {
    
    
				margin: 0;
				padding: 0;
			}

			a {
    
    
				text-decoration: none;
			}

			.container {
    
    
				width: 100%;
				/* height: 600px; */
				/* background-color: antiquewhite; */
				/* 设置最小宽度,防止缩至过少造成挤压 */
				min-width: 680px;
				margin-top: 100px;
				/* 弹性布局 */
				display: flex;
				flex-wrap: wrap;
			}
			.container .item {
    
    
				width: 25%;
				display: flex;
				/* 调成内容居中显示 */
				justify-content: center;
				margin-bottom: 20px;
			}

			.container .item .item-con {
    
    
				width: 150px;
				/* border: 1px solid red; */
				/* 弹性布局方向设置为纵向 */
				display: flex;
				flex-direction: column;
			}

			.item-con a.item-con-img {
    
    
				height: 150px;
				/* background-color: antiquewhite; */
				position: relative;
			}

			.item-con a.item-con-img img {
    
    
				border-radius: 10px;
			}
			/* 下方文字 */
			.item a.item-con-img span {
    
    
				font-size: 14px;
				color: #fff;
				/* background-color: red; */
				display: flex;
				position: absolute;
				bottom: 10px;
				left: 10px;
				z-index: 2;
			}

			.item-con a.item-con-img span img {
    
    
				margin-right: 5px;
			}
			/* 图片半下方遮罩层 */
			.item-con a.item-con-img::after{
    
    
				content: '';
				width: 100%;
				height: 50%;
				/* 使用渐变色 */
				background-image: linear-gradient(to bottom,rgba(255,255,255,0),rgba(0,0,0,0.5));
				display: block;
				position: absolute;
				left: 0;
				bottom: 0;
				border-radius: 0px 0px 10px 10px;
			}
			.item-con a.item-con-title{
    
    
				font-size: 14px;
				color: #333;
				margin-top: 10px;
			}
			.item-con a.item-con-title:hover{
    
    
				color: tomato;
			}
		</style>
	</head>
	<body>
		<div class="container">
			<div class="item">
				<div class="item-con">
					<a href="" class="item-con-img">
						<img src="images/flex-01.jpg" alt="">
						<span>
							<img src="images/icon_play.png" alt="" width="14">
							2444.0万
						</span>
					</a>
					<a href="" class="item-con-title">
						催眠：Delta脑波音乐减压深度睡眠
					</a>
				</div>
			</div>
			<div class="item">
				<div class="item-con">
					<a href="" class="item-con-img">
						<img src="images/flex-02.jpg" alt="">
						<span>
							<img src="images/icon_play.png" alt="" width="14">
							2444.0万
						</span>
					</a>
					<a href="" class="item-con-title">
						催眠：Delta脑波音乐减压深度睡眠
					</a>
				</div>
			</div>
			<div class="item">
				<div class="item-con">
					<a href="" class="item-con-img">
						<img src="images/flex-03.jpg" alt="">
						<span>
							<img src="images/icon_play.png" alt="" width="14">
							2444.0万
						</span>
					</a>
					<a href="" class="item-con-title">
						催眠：Delta脑波音乐减压深度睡眠
					</a>
				</div>
			</div>
			<div class="item">
				<div class="item-con">
					<a href="" class="item-con-img">
						<img src="images/flex-04.jpg" alt="">
						<span>
							<img src="images/icon_play.png" alt="" width="14">
							2444.0万
						</span>
					</a>
					<a href="" class="item-con-title">
						催眠：Delta脑波音乐减压深度睡眠
					</a>
				</div>
			</div>
			<div class="item">
				<div class="item-con">
					<a href="" class="item-con-img">
						<img src="images/flex-05.jpg" alt="">
						<span>
							<img src="images/icon_play.png" alt="" width="14">
							2444.0万
						</span>
					</a>
					<a href="" class="item-con-title">
						催眠：Delta脑波音乐减压深度睡眠
					</a>
				</div>
			</div>
			<div class="item">
				<div class="item-con">
					<a href="" class="item-con-img">
						<img src="images/flex-06.jpg" alt="">
						<span>
							<img src="images/icon_play.png" alt="" width="14">
							2444.0万
						</span>
					</a>
					<a href="" class="item-con-title">
						催眠：Delta脑波音乐减压深度睡眠
					</a>
				</div>
			</div>
			<div class="item">
				<div class="item-con">
					<a href="" class="item-con-img">
						<img src="images/flex-07.jpg" alt="">
						<span>
							<img src="images/icon_play.png" alt="" width="14">
							2444.0万
						</span>
					</a>
					<a href="" class="item-con-title">
						催眠：Delta脑波音乐减压深度睡眠
					</a>
				</div>
			</div>
			<div class="item">
				<div class="item-con">
					<a href="" class="item-con-img">
						<img src="images/flex-08.jpg" alt="">
						<span>
							<img src="images/icon_play.png" alt="" width="14">
							2444.0万
						</span>
					</a>
					<a href="" class="item-con-title">
						催眠：Delta脑波音乐减压深度睡眠
					</a>
				</div></div>
		</div>
	</body>
</html>

flex-shrink
flex-shrink 属性は、flex 要素の短縮規則を指定します。デフォルト値は 1 です。flex 要素のデフォルト幅の合計がコンテナーの幅よりも大きい場合、要素は収縮し、収縮のサイズは flex-shrink 値に基づきます。
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フレックス エラスティック レイアウト - 今日の見出しのホームページで人気のビデオ コラム

<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>flex弹性布局-今日头条首页热门视频栏</title>
		<style type="text/css">
			body {
    
    
				margin: 0;
				padding: 0;
			}
			a{
    
    
				text-decoration: none;
			}
			.show-monitor {
    
    
				width: 320px;
				height: 600px;
				/* border: 2px solid red; */
				margin: 50px 0px 0px 50px;
			}

			.panel-head {
    
    
				display: flex;
				/* height: 100px; */
				/* 解除图标变形 */
				align-items: center;
			}

			.panel-head span.panel-head-title {
    
    
				/* 占满全部空间 */
				flex-grow: 1;
				font-size: 20px;
				margin-left: 10px;
			}

			.panel-head .panel-head-sx {
    
    
				font-size: 16px;
				color: red;
				margin-left: 5px;
			}

			.panel-con {
    
    
				height: 94px;
				/* background-color: antiquewhite; */
				margin-top: 20px;
				display: flex;
			}

			.panel-con .panel-con-img {
    
    
				width: 126px;
				/* 高度自动继承 */
				/* height: 94px; */
				/* background-color: aqua; */
				margin-right: 10px;
				flex-shrink: 0;
			}

			.panel-con .panel-con-img img {
    
    
				width: 100%;
				height: 100%;
				/* 裁剪图片 防止变形 */
				object-fit: cover;
			}

			.panel-con .panel-con-txt {
    
    
				/* background-color: aquamarine; */
				/* 占满剩余空间 */
				flex-grow: 1;
				display: flex;
				flex-direction: column;
				text-overflow: ellipsis;
			}
			.panel-con .panel-con-txt a{
    
    
				font-size: 16px;
				color: #222;
				/* 超过44px文字不再显示 */
				max-height: 44px;
				overflow: hidden;
				line-height: 22px;
				/* 弹性伸缩盒子模型显示 */
				display: -webkit-box;
				/* 设置或检索伸缩盒子对象的子元素的排列方式 */
				-webkit-box-orient: vertical;
				/* 限制在一个块级元素显示的文本的行数 */
				-webkit-line-clamp: 2;
				/* 文本溢出显示省略号 */
				text-overflow: ellipsis;
			}
			.panel-con .panel-con-txt span.like{
    
    
				font-size: 12px;
				background-color: #fff2f2;
				color: #f04142;
				/* 消除占满整行现象 变为内容实际所占宽度*/
				align-self: flex-start;
				padding: 3px 6px;
				border-radius: 5px;
				margin-top: 5px;
			}
			.panel-con .panel-con-txt .desc{
    
    
				font-size: 14px;
				color: #999;
				display: flex;
				justify-content: space-between;
				margin-top: 5px;
			}
		</style>
	</head>
	<body>
		<div class="show-monitor">
			<div class="panel-head">
				<img src="images/icon-play.png" alt="" width="22">
				<span class="panel-head-title">热门视频</span>
				<img src="images/icon-sx2.png" alt="" width="16">
				<span class="panel-head-sx">换一换</span>
			</div>
			<div class="panel-con">
				<div class="panel-con-img">
					<a href=""><img src="images/toutiao-01.jpeg" alt=""></a>
				</div>
				<div class="panel-con-txt">
					<a href="">司马南：中国与俄罗斯的战线</a>
					<span class="like">1万评论</span>
					<div class="desc">
						<span>148万次观看</span>
						<span>司马南频道</span>
					</div>
				</div>
			</div>
			<div class="panel-con">
				<div class="panel-con-img">
					<a href=""><img src="images/toutiao-02.jpeg" alt=""></a>
				</div>
				<div class="panel-con-txt">
					<a href="">无论做什么鱼：最忌放盐和料酒研制，大厨教你绝招.</a>
					<span class="like">1万评论</span>
					<div class="desc">
						<span>148万次观看</span>
						<span>司马南频道</span>
					</div>
				</div>
			</div>
			<div class="panel-con">
				<div class="panel-con-img">
					<a href=""><img src="images/toutiao-03.jpeg" alt=""></a>
				</div>
				<div class="panel-con-txt">
					<a href="">司马南：中国与俄罗斯的战线</a>
					<span class="like">1万评论</span>
					<div class="desc">
						<span>148万次观看</span>
						<span>司马南频道</span>
					</div>
				</div>
			</div>
			<div class="panel-con">
				<div class="panel-con-img">
					<a href=""><img src="images/toutiao-04.jpeg" alt=""></a>
				</div>
				<div class="panel-con-txt">
					<a href="">司马南：中国与俄罗斯的战线</a>
					<span class="like">1万评论</span>
					<div class="desc">
						<span>148万次观看</span>
						<span>司马南频道</span>
					</div>
				</div>
			</div>
		</div>
	</body>
</html>

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グリッド レイアウト - 360 度画像表示

<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>grid网格布局-360图片展示</title>
		<style type="text/css">
			body{
    
    
				margin: 0;
				padding: 0;
			}
			.container{
    
    
				width: 100%;
				/* height: 700px; */
				/* background-color: aquamarine; */
				margin-top: 100px;
				display: grid;
				/* 行高 */
				grid-template-rows: 207px 155px 259px;
				grid-template-columns: 420px 365px 299px 118px 296px;
				/* 网格居中显示 */
				justify-content: center;
				/* 合并单元网格 */
				grid-template-areas: 'a b d d f'
									 'a b e h h'
									 'a c e h h';
				/* 行间隙 列间隙 */
				gap: 3px 3px;
			}
			.item:nth-child(1){
    
    
				grid-area: a;
				
			}
			.item:nth-child(2){
    
    
				grid-area: b;
				
			}
			.item:nth-child(3){
    
    
				grid-area: c;
				
			}
			.item:nth-child(4){
    
    
				grid-area: d;
				
			}
			.item:nth-child(5){
    
    
				grid-area: e;
				
			}
			.item:nth-child(6){
    
    
				grid-area: f;
				background-color: pink;
			}
			.item:nth-child(7){
    
    
				grid-area: h;
				
			}
		</style>
	</head>
	<body>
		<div class="container">
			<div class="item"><img src="images/grid-01.jpg" alt=""></div>
			<div class="item"><img src="images/grid-02.jpg" alt=""></div>
			<div class="item"><img src="images/grid-03.jpg" alt=""></div>
			<div class="item"><img src="images/grid-04.jpg" alt=""></div>
			<div class="item"><img src="images/grid-05.jpg" alt=""></div>
			<div class="item"></div>
			<div class="item "><img src="images/grid-06.jpg" alt=""></div>
		</div>
	</body>
</html>

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Mi Mallの左側にある二次メニュー

<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>小米商城左侧二级菜单</title>
		<style type="text/css">
			body {
    
    
				margin: 0;
				padding: 0;
				background-image: linear-gradient(to right, skyblue, #fff);
			}

			a {
    
    
				text-decoration: none;
			}

			.menu {
    
    
				width: 230px;
				height: 420px;
				padding: 20px 0;
				background-color: rgba(0, 0, 0, 0.5);
				margin: 50px 0 0 50px;
				position: relative;
			}

			.menu .item {
    
    
				height: 42px;
				/* border: 1px solid red; */
				color: #fff;
				font-size: 14px;
				line-height: 42px;
				padding-left: 30px;
				background: url('images/right-jiantou.png') no-repeat 200px 10px;
				cursor: pointer;
			}

			.menu .item:hover {
    
    
				background-color: #ff6700;
				background-image: url('images/right-jiantou2.png');
			}

			/* 右侧二级菜单 */
			.menu .item .nav {
    
    
				min-width: 250px;
				height: 460px;
				background-color: #fff;
				border: 1px solid #666;
				position: absolute;
				top: 0;
				left: 100%;
				box-sizing: border-box;
				/* 六行单元格平分整个区域 */
				display: grid;
				grid-template-rows: repeat(6, 1fr);
				grid-template-columns: 250px;
				/* 排列方式设置为先列后行 */
				grid-auto-flow: column;
				/* 设置隐式网格宽度 */
				grid-auto-columns: 250px;
				padding: 20px;
				/* 初始默认隐藏 */
				display: none;
			}

			.item .nav a {
    
    
				/* border: 1px solid red; */
				color: #000;
				display: flex;
				/* 垂直方向居中对齐,防止随父元素高度而被拉伸 */
				align-items: center;
			}

			.item .nav a img {
    
    
				margin-right: 10px;
			}

			.item .nav a:hover {
    
    
				color: #ff6700;
			}

			.item:hover .nav {
    
    
				display: grid;
			}
		</style>
	</head>
	<body>
		<div class="menu">
			<div class="item">手机
				<div class="nav">
					<a href=""><img src="images/grid-mi-01.webp" alt="" width="40">黑鲨5 Pro</a>
					<a href=""><img src="images/grid-mi-02.webp" alt="" width="40">黑鲨5</a>
					<a href=""><img src="images/grid-mi-03.webp" alt="" width="40">Redmi 10A</a>
					<a href=""><img src="images/grid-mi-04.webp" alt="" width="40">Redmi K50 Pro</a>
					<a href=""><img src="images/grid-mi-05.webp" alt="" width="40">Redmi K40S</a>
					<a href=""><img src="images/grid-mi-06.webp" alt="" width="40">黑鲨5 Pro</a>
					<a href=""><img src="images/grid-mi-07.webp" alt="" width="40">黑鲨5</a>
					<a href=""><img src="images/grid-mi-08.webp" alt="" width="40">Redmi 10A</a>
					<a href=""><img src="images/grid-mi-09.webp" alt="" width="40">Redmi K50 Pro</a>
					<a href=""><img src="images/grid-mi-05.webp" alt="" width="40">Redmi K40S</a>
				</div>
			</div>
			<div class="item">电视
				<div class="nav">
					<a href=""><img src="images/grid-mi-01.webp" alt="" width="40">黑鲨5 Pro</a>
					<a href=""><img src="images/grid-mi-02.webp" alt="" width="40">黑鲨5</a>
					<a href=""><img src="images/grid-mi-03.webp" alt="" width="40">Redmi 10A</a>
					<a href=""><img src="images/grid-mi-04.webp" alt="" width="40">Redmi K50 Pro</a>
					<a href=""><img src="images/grid-mi-05.webp" alt="" width="40">Redmi K40S</a>
					<a href=""><img src="images/grid-mi-06.webp" alt="" width="40">黑鲨5 Pro</a>
					<a href=""><img src="images/grid-mi-07.webp" alt="" width="40">黑鲨5</a>
					<a href=""><img src="images/grid-mi-08.webp" alt="" width="40">Redmi 10A</a>
					<a href=""><img src="images/grid-mi-09.webp" alt="" width="40">Redmi K50 Pro</a>
					<a href=""><img src="images/grid-mi-05.webp" alt="" width="40">Redmi K40S</a>
					<a href=""><img src="images/grid-mi-09.webp" alt="" width="40">Redmi K50 Pro</a>
					<a href=""><img src="images/grid-mi-05.webp" alt="" width="40">Redmi K40S</a>
				</div>
			</div>
			<div class="item">笔记本 平板
				<div class="nav">
					<a href=""><img src="images/grid-mi-01.webp" alt="" width="40">黑鲨5 Pro</a>
					<a href=""><img src="images/grid-mi-02.webp" alt="" width="40">黑鲨5</a>
					<a href=""><img src="images/grid-mi-03.webp" alt="" width="40">Redmi 10A</a>
					<a href=""><img src="images/grid-mi-04.webp" alt="" width="40">Redmi K50 Pro</a>
					<a href=""><img src="images/grid-mi-05.webp" alt="" width="40">Redmi K40S</a>
					<a href=""><img src="images/grid-mi-07.webp" alt="" width="40">黑鲨5</a>
					<a href=""><img src="images/grid-mi-08.webp" alt="" width="40">Redmi 10A</a>
					<a href=""><img src="images/grid-mi-09.webp" alt="" width="40">Redmi K50 Pro</a>
					<a href=""><img src="images/grid-mi-05.webp" alt="" width="40">Redmi K40S</a>
					<a href=""><img src="images/grid-mi-01.webp" alt="" width="40">黑鲨5 Pro</a>
					<a href=""><img src="images/grid-mi-02.webp" alt="" width="40">黑鲨5</a>
					<a href=""><img src="images/grid-mi-03.webp" alt="" width="40">Redmi 10A</a>
					<a href=""><img src="images/grid-mi-04.webp" alt="" width="40">Redmi K50 Pro</a>
					<a href=""><img src="images/grid-mi-05.webp" alt="" width="40">Redmi K40S</a>
					<a href=""><img src="images/grid-mi-06.webp" alt="" width="40">黑鲨5 Pro</a>
					<a href=""><img src="images/grid-mi-07.webp" alt="" width="40">黑鲨5</a>
					<a href=""><img src="images/grid-mi-08.webp" alt="" width="40">Redmi 10A</a>
					<a href=""><img src="images/grid-mi-09.webp" alt="" width="40">Redmi K50 Pro</a>
					<a href=""><img src="images/grid-mi-05.webp" alt="" width="40">Redmi K40S</a>
				</div>
			</div>
			<div class="item">家电</div>
			<div class="item">出行 穿戴</div>
			<div class="item">智能 路由器</div>
			<div class="item">电源 配件</div>
			<div class="item">健康 儿童</div>
			<div class="item">耳机 音箱</div>
			<div class="item">生活 箱包</div>
		</div>
	</body>
</html>

ここに画像の説明を挿入

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