body {
    margin: 0;
    min-height: 100vh;
    font-family: Arial, sans-serif;
    background: linear-gradient(-45deg, #eff6ff, #f5f3ff, #fdf2f8, #fff7ed);
    background-size: 400% 400%;
    animation: animatedBg 18s ease infinite;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #111827;
}
@keyframes animatedBg {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}
.box {
    width: min(560px, calc(100% - 32px));
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 18px;
    padding: 30px;
    box-shadow: 0 20px 50px rgba(15, 23, 42, 0.12);
    text-align: center;
}
h1 { margin: 0 0 12px; font-size: 28px; }
p { color: #64748b; line-height: 1.55; margin: 0 0 22px; }
a {
    display: inline-block;
    padding: 14px 20px;
    border-radius: 14px;
    background: linear-gradient(135deg, #2563eb, #7c3aed);
    color: #fff;
    text-decoration: none;
    font-weight: 700;
}
.vin { margin-bottom: 18px; color: #334155; font-weight: 700; }