一、需求:实现如下图所示的web内容  
 
二、实现结果   
 
三、代码展示  
<!DOCTYPE html>
<html>
<head>
    <title>小米商场</title>
    <style>
        body {
            display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  margin: 0;
        }
        .navbar {
            height: 50px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
        }
        .navbar ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
        }
        .navbar li {
            margin-right: 20px;
        }
        .search-box {
            padding: 10px;
            display: flex;
            align-items: center;
            margin-top: 20px;
        }
        .search-box input[type="text"] {
            border: none;
            padding: 5px;
            font-size: 14px;
            width: 200px;
        }
        .search-box button {
            float: right;
            background-color: #ff6700;
            color: #fff;
            border: none;
            padding: 5px 10px;
            font-size: 14px;
            cursor: pointer;
        }
        .content {
            display: flex;
            align-items: flex-start;
        }
        .left-box {
            flex: 1;
            padding: 20px;
        }
        .image {
            width: 100%;
            display: block;
        }
    </style>
</head>
<body>
    <div class="navbar">
        <ul>
            <li><a href="#">xiaomi手机</a></li>
            <li><a href="#">redmi手机</a></li>
            <li><a href="#">电视</a></li>
            <li><a href="#">笔记本</a></li>
            <li><a href="#">平板</a></li>
            <li><a href="#">家电</a></li>
        </ul>
        <div class="search-box">
            <input type="text" placeholder="请输入搜索关键词">
            <button type="submit">搜索</button>
        </div>
    </div>
    <div class="content">
        <div class="left-box">
            <ul>
            <li><a href='#'>手机</a></li>
            <li><a href='#'>家电</a></li>
            <li><a href='#'>笔记本 平板</a></li>
            <li><a href='#'>出行 穿戴</a></li>
            <li><a href='#'>耳机 音响</a></li>
            <li><a href='#'>健康 儿童</a></li>
            <li><a href='#'>生活 箱包</a></li>
            <li><a href='#'>智能 路由器</a></li>
            <li><a href='#'>电源配件</a></li>
        </ul>
        </div>
        <div class="right-box">
            <img class="image" src="./小米.jpeg" width="400" height="250">
        </div>
    </div>
</body>
</html>