<!DOCTYPE html>
<html lang="zh">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>登录页面</title>
    <link rel="stylesheet" href="style.css">
</head>
<body>

<div class="login-wrap">
    <div class="login-container">
        <h2 class="login-title">欢迎登录</h2>
        <form action="/your-login-processing-url" method="post">
            <div class="input-field">
                <i class="fas fa-user icon"></i>
                <input type="text" id="username" name="username" placeholder="用户名" required>
            </div>
            <div class="input-field">
                <i class="fas fa-lock icon"></i>
                <input type="password" id="password" name="password" placeholder="密码" required>
            </div>
            <button type="submit" class="login-btn">登录</button>
            <p class="signup-link">还没有账号?<a href="#">立即注册</a></p>
        </form>
    </div>
</div>

</body>
</html>

<style>
  @import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0-beta3/css/all.min.css');

body, html {
    height: 100%;
    margin: 0;
    font-family: 'Roboto', sans-serif;
    background-image: linear-gradient(to right, #f0f2f5, #dfe4ea);
}

.login-wrap {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 30px;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.login-title {
    text-align: center;
    margin-bottom: 30px;
    color: #333;
}

.input-field {
    position: relative;
    margin-bottom: 20px;
}

.input-field input {
    width: 100%;
    padding: 15px 20px 15px 45px;
    border: 1px solid #ddd;
    border-radius: 5px;
    outline: none;
    transition: all 0.3s ease;
}

.input-field input:focus {
    border-color: #0099cc;
}

.icon {
    position: absolute;
    top: 50%;
    left: 15px;
    transform: translateY(-50%);
    color: #aaa;
}

.login-btn {
    width: 100%;
    padding: 15px;
    background-color: #0099cc;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    transition: all 0.3s ease;
}

.login-btn:hover {
    background-color: #0077aa;
}

.signup-link {
    text-align: center;
    margin-top: 20px;
    color: #777;
}

.signup-link a {
    color: #0099cc;
    text-decoration: none;
}

.signup-link a:hover {
    text-decoration: underline;
}
</style>