body {  
    display: flex;  
    justify-content: center;  
    align-items: center;  
    height: 100vh;  
    background: url('/2.png') no-repeat center center fixed; 
    background-size: cover;   
    font-family: 'SimSun', serif;
    color: #333; 
}  

.registration-container {  
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid #8B4513; 
    padding: 40px;  
    border-radius: 15px;  
    box-shadow: 0 6px 30px rgba(0, 0, 0, 0.2);  
    max-width: 450px;  
    width: 125%;  
    text-align: center;   

}  

h1 {  
    margin-bottom: 10px;  
    color: #8B4513;  
    font-size: 28px;  
}  

.subtitle {  
    margin-bottom: 20px;  
    color: #5B3A29;
    font-size: 14px;  
}  

.input-group {  
    margin-bottom: 20px;  
    text-align: left;   
}  

label {  
    display: block;  
    margin-bottom: 5px;  
    font-weight: bold;  
    color: #333;  
}  

input {  
    width: 100%;  
    padding: 12px;  
    border: 1px solid #ccc;  
    border-radius: 5px;  
    transition: border-color 0.3s;  
    font-size: 14px;   
    box-sizing: border-box; 
}  

input:focus {  
    border-color: #8B4513;  
    outline: none;  
}  

button {  
    width: 100%;  
    padding: 12px;  
    background-color: #8B4513; 
    color: white;  
    border: none;  
    border-radius: 5px;  
    font-weight: bold;  
    cursor: pointer;  
    transition: background-color 0.3s;  
    font-size: 16px;   
}  

button:hover {  
    background-color: #6F3C2A; 
}  

#message {  
    text-align: center;  
    margin-top: 15px;  
    color: red;  
}  

.footer {  
    text-align: center;  
    margin-top: 20px;  
}  

.footer a {  
    color: #8B4513; 
    text-decoration: none;  
}  

.footer a:hover {  
    text-decoration: underline;  
}