html, body {
    height: 100%;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Arial, sans-serif;
    background: #f7f8fa;
    color: #222;
}
body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}
.container {
    background: #fff;
    padding: 2rem 2.5rem;
    border-radius: 12px;
    box-shadow: 0 2px 16px rgba(0,0,0,0.06);
    text-align: center;
    max-width: 400px;
}
h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}
p {
    font-size: 1.05rem;
    margin-bottom: 2rem;
    color: #444;
}
.links {
    display: flex;
    justify-content: center;
    gap: 1.2rem;
}
.links a {
    text-decoration: none;
    color: #2563eb;
    font-weight: 500;
    border-bottom: 1px solid #2563eb;
    transition: color 0.2s, border-bottom 0.2s;
}
.links a:hover {
    color: #1e40af;
    border-bottom: 2px solid #1e40af;
}