vscode安装cssrem插件
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>移动端复杂布局示例（px）</title>
<style>
html {
font-size: calc(100vw / 375 * 100); /* 1rem = 设计稿100px */
}
html, body {
margin: 0;
padding: 0;
overflow-x: hidden; /* 防止横向滚动条 */
}
/* Banner */
.banner {
width: 375px; /* 固定宽度，等于设计稿宽 */
height: 150px;
background-color: #4CAF50;
color: white;
display: flex;
justify-content: center;
align-items: center;
font-size: 24px;
margin: 0 auto;
}
/* 轮播图 */
.carousel img {
width: 375px;
height: 150px;
display: block;
margin: 0 auto;
}
/* 功能卡片 */
.features {
display: flex;
justify-content: space-around;
width: 375px;
padding: 20px 0;
margin: 0 auto;
}
.feature {
width: 80px;
height: 80px;
background-color: #FFC107;
border-radius: 10px;
display: flex;
justify-content: center;
align-items: center;
font-size: 18px;
}
/* 文章列表 */
.articles {
width: 375px;
padding: 15px;
margin: 0 auto;
}
.article {
background: #f0f0f0;
padding: 15px;
margin-bottom: 10px;
border-radius: 15px;
}
.article h3 {
font-size: 20px;
margin: 0 0 5px 0;
}
.article p {
font-size: 16px;
margin: 0;
}
/* 按钮 */
.btn {
display: block;
width: 300px;
height: 50px;
margin: 20px auto;
font-size: 18px;
background-color: #2196F3;
color: white;
border: none;
border-radius: 5px;
}
</style>
</head>
<body>
<header class="banner">头部 Banner</header>
<section class="carousel">
<img src="https://placehold.co/375x150.png?text=Placeholder+Image" alt="轮播图">
</section>
<section class="features">
<div class="feature">功能1</div>
<div class="feature">功能2</div>
<div class="feature">功能3</div>
<div class="feature">功能4</div>
</section>
<section class="articles">
<div class="article">
<h3>文章标题1</h3>
<p>文章摘要内容，固定 px 单位显示</p>
</div>
<div class="article">
<h3>文章标题2</h3>
<p>文章摘要内容，固定 px 单位显示</p>
</div>
</section>
<button class="btn">立即体验</button>
</body>
</html>
适配
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>移动端复杂布局示例（px）</title>
<style>
html {
font-size: calc(100vw / 375 * 100); /* 100px = 设计稿1rem */
}
html, body {
margin: 0;
padding: 0;
overflow-x: hidden; /* 防止横向滚动条 */
}
/* Banner */
.banner {
width: 3.75rem; /* 固定宽度，等于设计稿宽 */
height: 1.5rem;
background-color: #4CAF50;
color: white;
display: flex;
justify-content: center;
align-items: center;
font-size: .24rem;
margin: 0 auto;
}
/* 轮播图 */
.carousel img {
width: 3.75rem;
height: 1.5rem;
display: block;
margin: 0 auto;
}
/* 功能卡片 */
.features {
display: flex;
justify-content: space-around;
width: 3.75rem;
padding: .2rem 0;
margin: 0 auto;
}
.feature {
width: .8rem;
height: .8rem;
background-color: #FFC107;
border-radius: .1rem;
display: flex;
justify-content: center;
align-items: center;
font-size: .18rem;
}
/* 文章列表 */
.articles {
width: 3.75rem;
padding: .15rem;
margin: 0 auto;
}
.article {
background: #f0f0f0;
padding: .15rem;
margin-bottom: .1rem;
border-radius: .15rem;
}
.article h3 {
font-size: .2rem;
margin: 0 0 .05rem 0;
}
.article p {
font-size: .16rem;
margin: 0;
}
/* 按钮 */
.btn {
display: block;
width: 3rem;
height: .5rem;
margin: .2rem auto;
font-size: .18rem;
background-color: #2196F3;
color: white;
border: none;
border-radius: .05rem;
}
</style>
</head>
<body>
<header class="banner">头部 Banner</header>
<section class="carousel">
<img src="https://placehold.co/375x150.png?text=Placeholder+Image" alt="轮播图">
</section>
<section class="features">
<div class="feature">功能1</div>
<div class="feature">功能2</div>
<div class="feature">功能3</div>
<div class="feature">功能4</div>
</section>
<section class="articles">
<div class="article">
<h3>文章标题1</h3>
<p>文章摘要内容，固定 px 单位显示</p>
</div>
<div class="article">
<h3>文章标题2</h3>
<p>文章摘要内容，固定 px 单位显示</p>
</div>
</section>
<button class="btn">立即体验</button>
</body>
</html>