body{
    margin:0;
    font-family:Arial,Helvetica,sans-serif;
    background:#f5f7fa;
    display:flex;
    justify-content:center;
    align-items:center;
    min-height:100vh;
}

.card{
    background:#fff;
    width:90%;
    max-width:550px;
    padding:40px;
    border-radius:14px;
    border:1px solid #ddd;
    box-shadow:0 10px 25px rgba(0,0,0,.08);
    text-align:center;
}

h1{
    margin-top:0;
    font-size:46px;
}

p{
    color:#666;
}

input{
    width:100%;
    padding:16px;
    margin-top:20px;
    border:1px solid #ccc;
    border-radius:8px;
    box-sizing:border-box;
    font-size:16px;
}

button{
    width:100%;
    padding:16px;
    margin-top:18px;
    border:none;
    border-radius:8px;
    background:#1565c0;
    color:white;
    font-size:17px;
    cursor:pointer;
}

button:hover{
    background:#0d47a1;
}

h2{
    margin-top:25px;
}

hr{
    margin:40px 0;
    border:none;
    border-top:1px solid #ddd;
}

h3{
    margin-bottom:20px;
}

ul{
    list-style:none;
    padding:0;
    margin:0;
    display:flex;
    flex-direction:column;
    gap:12px;
}

ul li{
    margin:0;
}

ul a{
    display:block;
    padding:14px;
    background:#f5f7fa;
    border:1px solid #ddd;
    border-radius:8px;
    color:#222;
    text-decoration:none;
    font-weight:600;
    transition:.2s;
}

ul a:hover{
    background:#1565c0;
    color:#fff;
}

.back-home{
    display:inline-block;
    margin-top:35px;
    color:#1565c0;
    text-decoration:none;
    font-weight:bold;
}

.back-home:hover{
    text-decoration:underline;
}

.info{
    margin-top:50px;
    padding:30px;
    background:white;
    border:1px solid #ddd;
    border-radius:12px;
    line-height:1.7;
}

.info h2{
    margin-top:0;
}

.info h3{
    margin-top:30px;
}

.info p{
    color:#666;
}