html { scroll-behavior: smooth; }
section[id] { scroll-margin-top: 90px; }
.form-result { display: none; margin-bottom: 15px; }
.form-control.is-invalid, .form-select.is-invalid { border-color: #dc3545; }
.hp-field { position: absolute !important; left: -9999px !important; height: 0; overflow: hidden; }
.post-article img.cover { max-width: 100%; height: auto; margin-bottom: 25px; }