/* access 验证页样式（从 access.php 内联样式移出） */
body { min-height:100vh; }
.card {
  width: 100%;
  max-width: 440px;
  background:#fff;
  border:1px solid #e5e7eb;
  border-radius: 1rem;
  padding: 1.25rem;
  box-shadow: 0 10px 30px rgba(0,0,0,.06);
}
.btn {
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.4rem;
  padding:.55rem .9rem;
  border-radius:.6rem;
  border:1px solid #e5e7eb;
  background:#fff;
}
.btn:hover { background:#f9fafb; }
.btn-red { background:#ef4444; border-color:#ef4444; color:#fff; }
.btn-red:hover { background:#dc2626; }
.btn-link { color:#2563eb; text-decoration:none; }
.btn-link:hover { text-decoration:underline; }
.err { color:#b91c1c; font-size:.9rem; }
.btn-blue { background:#2563eb; border-color:#2563eb; color:#fff; }
.btn-blue:hover { background:#1d4ed8; border-color:#1e40af; }