body{font-family:system-ui;background:#07090f;color:#dde6f5;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;gap:20px}
h1{font-size:22px}
p{color:#6d85a3;font-size:14px;max-width:520px;text-align:center}
button{background:#3b82f6;color:#fff;border:none;padding:14px 32px;border-radius:10px;font-size:15px;font-weight:600;cursor:pointer;transition:all .2s}
button:hover{background:#2563eb;transform:translateY(-1px)}
.btn-back{background:transparent;border:1px solid rgba(255,255,255,0.13);color:#6d85a3;padding:10px 22px;font-size:13px;border-radius:8px;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;gap:6px;transition:all .2s}
.btn-back:hover{border-color:rgba(59,130,246,.5);color:#dde6f5;transform:translateY(-1px)}
.info{background:#101724;border:1px solid rgba(255,255,255,0.08);border-radius:10px;padding:16px 24px;font-size:13px;color:#6d85a3;max-width:520px}
.info b{color:#dde6f5}
.info ul{margin:8px 0 0 16px;line-height:1.9}