<!DOCTYPE html>
<html lang="zh">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
<title>登录界面</title>
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
font-family: Arial, sans-serif;
background-color: #f4f4f4;
min-height: 90vh;
max-height: 100vh;
}
.login-container {
display: flex;
justify-content: center;
align-items: flex-start;
width: 100%;
height: 100%;
}
.login-box {
background-color: white;
padding: 30px;
box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
border-radius: 8px;
width: 100%;
max-width: 400px;
box-sizing: border-box;
margin-top: 100px;
}
h2 {
text-align: center;
margin-bottom: 20px;
}
.input-group {
margin-bottom: 20px;
}
.input-group label {
display: block;
font-size: 14px;
color: #333;
margin-bottom: 8px;
}
.input-group input {
width: 100%;
padding: 10px;
font-size: 14px;
border: 1px solid #ddd;
border-radius: 4px;
outline: none;
}
.input-group input:focus {
border-color: #007bff;
}
.input-group button {
width: 100%;
padding: 10px;
font-size: 16px;
background-color: #007bff;
color: white;
border: none;
border-radius: 4px;
cursor: pointer;
transition: background-color 0.3s;
}
.input-group button:hover {
background-color: #0056b3;
}
@media (max-width: 390px) {
.login-box {
padding: 20px;
max-width: 90%;
}
h2 {
font-size: 24px;
}
.input-group input,
.input-group button {
font-size: 16px;
padding: 12px;
}
}
</style>
</head>
<body>
<div class="login-container">
<div class="login-box">
<h2>登录</h2>
<form action="#">
<div class="input-group">
<label for="username">用户名</label>
<input type="text" id="username" placeholder="请输入用户名" required>
</div>
<div class="input-group">
<label for="password">密码</label>
<input type="password" id="password" placeholder="请输入密码" required>
</div>
<div class="input-group">
<button type="submit">登录</button>
</div>
</form>
</div>
</div>
</body>
</html>