.k24-et {
  max-width: 1380px;
  margin: 0 auto;
  font-family: Inter, -apple-system, sans-serif;
  color: #333;
}
.k24-et-hero {
  background: #fff;
  border: 1px solid #e3eef4;
  border-radius: 12px;
  padding: 30px 32px;
  box-shadow: 0 10px 24px rgba(26,73,102,.04);
}
.k24-et-hero h1 { color: #1a4966; margin: 0 0 10px; }
.k24-et-hero p  { margin: 0 0 18px; }
.k24-et-search-form {
  display: flex; align-items: stretch;
  border: 2px solid #3db8f2; border-radius: 10px;
  overflow: hidden; background: #fff;
  box-shadow: 0 4px 14px rgba(61,184,242,.15);
}
.k24-et-search-form:focus-within {
  border-color: #2399d1; box-shadow: 0 4px 18px rgba(35,153,209,.25);
}
#k24EtSearch {
  flex: 1; min-width: 0; padding: 14px 18px;
  border: none; outline: none;
  font-size: 16px; color: #333; background: transparent;
}
#k24EtSearch::placeholder { color: #9bb4c1; }
.k24-et-search-btn {
  flex: 0 0 auto; display: flex; align-items: center; justify-content: center;
  width: 56px; padding: 0;
  background: #1a4966; border: none; cursor: pointer;
  transition: background .15s;
}
.k24-et-search-btn:hover { background: #2399d1; }
.k24-et-search-btn svg { width: 20px; height: 20px; fill: #fff; }
.k24-et-nav {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin: 24px 0;
}
.k24-et-nav a {
  display: inline-flex; align-items: center; padding: 7px 15px;
  border: 1px solid #3db8f2; border-radius: 999px;
  text-decoration: none; color: #1a4966; font-size: 15px;
  background: #fff;
}
.k24-et-nav a:hover { border-color: #2399d1; color: #2399d1; }
/* Baureihen-Accordion (Ebene 1) */
.k24-et-gruppe {
  margin-top: 14px;
  border: 1px solid #d7e3ea; border-radius: 12px;
  background: #fff; overflow: hidden;
  scroll-margin-top: 90px;   /* Sticky-Header-Ausgleich beim Pillen-Scroll */
}
.k24-et-gruppe-head {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  cursor: pointer; padding: 18px 22px;
  list-style: none;
  background: #f5f9fc;
}
.k24-et-gruppe-head::-webkit-details-marker { display: none; }
.k24-et-gruppe-title { font-weight: 700; font-size: 19px; color: #1a4966; }
.k24-et-gruppe-stats { font-size: 13px; color: #6b7c87; }
.k24-et-gruppe-head::after {
  content: "▾"; margin-left: auto;
  font-size: 18px; color: #3db8f2; transition: transform .2s;
}
.k24-et-gruppe[open] > .k24-et-gruppe-head::after { transform: rotate(180deg); }
.k24-et-gruppe[open] > .k24-et-gruppe-head { border-bottom: 1px solid #e3eef4; }
.k24-et-gruppe-body { padding: 8px 18px 20px; }
.k24-et-untertitel { margin: 10px 0 6px; color: #555; }
.k24-et-stats { margin: 0 0 16px; font-weight: 600; font-size: 14px; color: #1a4966; }
.k24-et-geraet {
  border: 1px solid #e3eef4; border-radius: 10px;
  margin-top: 12px; background: #fff;
  overflow: hidden;
}
.k24-et-summary {
  display: flex; align-items: center; gap: 10px;
  cursor: pointer; padding: 16px 20px;
  list-style: none;
}
.k24-et-summary::-webkit-details-marker { display: none; }
.k24-et-summary::after {
  content: "Teile anzeigen"; margin-left: auto;
  padding: 6px 12px; border: 1px solid #3db8f2; border-radius: 999px;
  color: #1a4966; font-size: 13px; white-space: nowrap;
}
.k24-et-geraet[open] .k24-et-summary::after { content: "Schließen"; }
.k24-et-br-name { font-weight: 700; font-size: 16px; color: #1a4966; }
.k24-et-br-alt {
  padding: 2px 9px; border-radius: 999px;
  background: #1a4966; color: #fff;
  font-size: 12px; font-weight: 600; letter-spacing: .3px;
}
.k24-et-badge {
  padding: 2px 9px; border-radius: 999px;
  background: #f0f7fb; color: #1a4966; font-size: 12px; font-weight: 600;
}
.k24-et-badge-evo { background: #eef2fb; color: #2355a5; }
.k24-et-teil-count { font-size: 13px; color: #6b7c87; margin-left: auto; }
.k24-et-online-count { color: #1a7c4a; }
.k24-et-anfrage-count { color: #c05a00; }
.k24-et-tbl-wrap { overflow-x: auto; padding: 0 16px 16px; }
.k24-et-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.k24-et-table th {
  text-align: left; padding: 10px 10px; color: #1a4966; font-weight: 600;
  border-bottom: 2px solid #e3eef4; white-space: nowrap;
}
.k24-et-table td { padding: 10px 10px; border-bottom: 1px solid #eef4f7; vertical-align: top; }
.k24-et-row-online { background: #fafffe; }
.k24-et-artnr { font-family: ui-monospace, monospace; color: #1a4966; }
.k24-et-pos  { color: #888; font-size: 12px; }
.k24-et-pos-abb { color: #aaa; font-size: 11px; }
.k24-et-td-pos {
  text-align: center; font-size: 13px; font-weight: 600;
  color: #1a4966; white-space: nowrap; width: 5em;
}
/* Sortierbare Spaltenköpfe */
.k24-et-th-sort {
  cursor: pointer; user-select: none; position: relative; padding-right: 22px;
}
.k24-et-th-sort:hover { color: #2399d1; background: #f5fafd; }
.k24-et-th-sort::after {
  content: "⇕";
  position: absolute; right: 6px; top: 50%; transform: translateY(-50%);
  font-size: 11px; color: #bbb;
}
.k24-et-th-sort[data-sort-dir="asc"]::after  { content: "↑"; color: #1a4966; }
.k24-et-th-sort[data-sort-dir="desc"]::after { content: "↓"; color: #1a4966; }
.k24-et-th-active { background: #f5fafd; }
.k24-et-anz  { color: #666; font-size: 12px; }
.k24-et-komp { color: #666; font-size: 12px; font-style: italic; }
/* CS/FS Regelungsvarianten-Badges (T = thermostatisch, SD = elektronisch) */
.k24-et-variante {
  display: inline-block; padding: 1px 8px; border-radius: 999px;
  font-size: 11px; font-weight: 600; white-space: nowrap;
}
.k24-et-variante-t {
  background: #fdf3e3; color: #9a6a1f; border: 1px solid #ecd9b3;
}
.k24-et-variante-sd {
  background: #e8f4fd; color: #1a4966; border: 1px solid #bfdff5;
}
.k24-et-btn-shop, .k24-et-btn-anfrage {
  display: inline-block; padding: 7px 12px; border-radius: 8px;
  text-decoration: none; font-size: 13px; white-space: nowrap;
}
.k24-et-btn-shop    { background: #3db8f2; color: #fff; }
.k24-et-btn-shop:hover { background: #2399d1; }
.k24-et-btn-anfrage { border: 1px solid #ff6a00; color: #ff6a00; background: #fff; cursor: pointer; font-family: inherit; }
.k24-et-btn-anfrage:hover { background: #ff6a00; color: #fff; }
.k24-et-preis-anfrage { color: #999; font-size: 13px; font-style: italic; }
.k24-et-preis-shop { color: #1a7c4a; font-weight: 700; white-space: nowrap; }
/* ── Anfrage-Modal ─────────────────────────────────────────── */
#k24EtAnfrageModal { position: fixed; inset: 0; z-index: 9998; }
#k24EtAnfrageModal[hidden] { display: none; }
.k24-et-modal-backdrop {
  position: absolute; inset: 0; background: rgba(26,73,102,.55); cursor: pointer;
}
.k24-et-modal-card {
  position: relative; max-width: 720px; margin: 4vh auto 0;
  max-height: 92vh; overflow-y: auto;
  background: #fff; border-radius: 14px; padding: 28px 30px 24px;
  box-shadow: 0 18px 60px rgba(0,0,0,.3);
  font-family: Inter, -apple-system, sans-serif;
}
.k24-et-modal-close {
  position: absolute; top: 10px; right: 14px;
  background: none; border: none; font-size: 28px; line-height: 1;
  color: #999; cursor: pointer; padding: 4px 8px;
}
.k24-et-modal-close:hover { color: #1a4966; }
.k24-et-modal-card h2 { color: #1a4966; font-size: 20px; margin: 0 0 14px; }
.k24-et-modal-teil {
  background: #f0f7fb; border: 1px solid #d7e8f2; border-radius: 8px;
  padding: 12px 16px; margin-bottom: 18px; font-size: 14px;
}
.k24-et-modal-teil-meta { color: #666; font-size: 13px; }
.k24-et-form-row { margin-bottom: 12px; }
.k24-et-form-row label {
  display: block; font-size: 13px; font-weight: 600; color: #1a4966; margin-bottom: 4px;
}
.k24-et-form-row input, .k24-et-form-row textarea, .k24-et-form-row select {
  width: 100%; padding: 9px 12px; font-size: 14px;
  border: 1px solid #d7e3ea; border-radius: 8px; font-family: inherit;
  box-sizing: border-box; background: #fff;
}
.k24-et-form-row input:focus, .k24-et-form-row textarea:focus, .k24-et-form-row select:focus {
  outline: none; border-color: #3db8f2; box-shadow: 0 0 0 3px rgba(61,184,242,.15);
}
.k24-et-form-row-2col {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px 14px;
}
.k24-et-2col-wide { grid-template-columns: 2fr 1fr; }
@media (max-width: 420px) { .k24-et-form-row-2col { grid-template-columns: 1fr; } }
.k24-et-form-pflicht { font-size: 12px; color: #888; margin: 10px 0 2px; }
.k24-et-hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.k24-et-form-dsgvo { font-size: 12px; color: #888; margin: 12px 0; }
.k24-et-form-dsgvo a { color: #2399d1; }
.k24-et-form-actions { display: flex; align-items: center; gap: 14px; }
.k24-et-btn-submit {
  background: #ff6a00; color: #fff; border: none; border-radius: 8px;
  padding: 11px 22px; font-size: 15px; font-weight: 600; cursor: pointer;
  font-family: inherit;
}
.k24-et-btn-submit:hover { background: #e05e00; }
.k24-et-btn-submit:disabled { background: #ccc; cursor: wait; }
.k24-et-form-status { font-size: 13px; color: #c0392b; }
#k24EtAnfrageDone { text-align: center; padding: 18px 0 8px; }
.k24-et-done-icon {
  width: 54px; height: 54px; margin: 0 auto 12px; border-radius: 50%;
  background: #e6f7ee; color: #1a7c4a; font-size: 30px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
@media (max-width: 560px) {
  .k24-et-modal-card { margin: 0; max-height: 100vh; border-radius: 0; }
}
.k24-et-foot { margin-top: 28px; color: #888; font-size: 13px; }
/* Gruppen-Info-Link (Shop-Link für ältere Baureihen) */
.k24-et-grp-info-link { margin: 6px 0 14px; font-size: 13px; }
.k24-et-grp-info-link a { color: #2399d1; }
/* Gerät-Footer: Shop-Link + Fehler melden */
.k24-et-geraet-footer {
  display: flex; align-items: center; gap: 16px;
  padding: 8px 16px 14px; flex-wrap: wrap;
}
.k24-et-geraet-shop-link {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 14px; border-radius: 8px;
  background: #3db8f2; color: #fff; font-size: 13px; font-weight: 600;
  text-decoration: none;
}
.k24-et-geraet-shop-link:hover { background: #2399d1; color: #fff; }
.k24-et-geraet-shop-link svg { width: 12px; height: 12px; flex-shrink: 0; }
.k24-et-btn-fehler {
  background: none; border: none; color: #aaa; font-size: 12px;
  cursor: pointer; padding: 4px 0; font-family: inherit;
}
.k24-et-btn-fehler:hover { color: #e67e22; }
/* Hero-Footer: globaler Fehler-Button */
.k24-et-hero-actions { margin-top: 10px; }
.k24-et-btn-global-fehler {
  font-size: 13px; color: #aaa; background: none; border: none;
  cursor: pointer; font-family: inherit; padding: 0;
}
.k24-et-btn-global-fehler:hover { color: #e67e22; }
/* Fehler-Modal: kleineres Format, orangefarbener Submit-Button */
.k24-et-modal-card--sm { max-width: 440px; }
.k24-et-modal-hint { font-size: 13px; color: #666; margin: 0 0 12px; }
.k24-et-btn-submit--fehler { background: #e67e22; }
.k24-et-btn-submit--fehler:hover { background: #c9690e; }
.k24-et-copyright {
  margin-top: 20px; padding: 14px 18px;
  border: 1px solid #e3eef4; border-radius: 8px;
  font-size: 12px; color: #aaa; line-height: 1.6;
}
.k24-et-copyright strong { color: #999; }
.k24-et-no-result { display: none; margin: 20px 0; padding: 16px;
  border: 1px solid #e3eef4; border-radius: 8px; }
/* Explosionszeichnungen */
.k24-et-imgs { padding: 0 16px 12px; }
.k24-et-imgs-hint { margin: 10px 0 8px; font-size: 13px; color: #888; }
.k24-et-img-row {
  display: flex; flex-wrap: wrap; gap: 14px;
}
.k24-et-img-tab {
  flex: 1 1 260px; max-width: 340px;
  border: 1px solid #e3eef4; border-radius: 8px; overflow: hidden;
  background: #fafcfe;
}
.k24-et-img-label {
  display: block; padding: 6px 10px;
  font-size: 12px; font-weight: 600; color: #1a4966;
  background: #f0f7fb; border-bottom: 1px solid #e3eef4;
}
.k24-et-explode-img {
  display: block; width: 100%; height: auto; max-height: 320px;
  object-fit: contain; padding: 8px;
  cursor: zoom-in;
}
/* Lightbox */
#k24EtLightbox {
  display: none; position: fixed; inset: 0; z-index: 9999;
  background: rgba(0,0,0,.82); align-items: center; justify-content: center;
  cursor: zoom-out;
}
#k24EtLightbox.is-open { display: flex; }
#k24EtLightbox img {
  max-width: 94vw; max-height: 92vh;
  border-radius: 8px; box-shadow: 0 8px 40px rgba(0,0,0,.5);
  background: #fff; padding: 6px;
  cursor: zoom-out;
}
#k24EtLightboxClose {
  position: fixed; top: 16px; right: 20px;
  font-size: 32px; color: #fff; cursor: pointer;
  line-height: 1; background: none; border: none; padding: 4px 10px;
  font-weight: 700;
}
@media (max-width: 768px) {
  .k24-et-hero { padding: 18px 16px; }
  .k24-et-summary { flex-wrap: wrap; padding: 12px 14px; }
  .k24-et-summary::after { margin-left: 0; }
  .k24-et-table { font-size: 13px; }
  .k24-et-table th, .k24-et-table td { padding: 8px 6px; }
  .k24-et-form-row-2col { grid-template-columns: 1fr; }
  .k24-et-modal-card { padding: 18px 16px; }
  .k24-et { padding: 0 6px; }
}
@media (max-width: 480px) {
  .k24-et-nav a { font-size: 13px; padding: 6px 10px; }
  .k24-et-table td:last-child { white-space: nowrap; }
  .k24-et-geraet-footer { gap: 10px; }
}
/* ===== Anleitungs-Sektion (v1.2.0) ===== */
.k24-et-manual-grid {
  display: grid; gap: 10px;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
}
.k24-et-manual-card {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 13px 16px;
  border: 1px solid #e3eef4; border-radius: 10px;
  background: #fff; color: #1a4966;
  text-decoration: none; font-size: 15px; line-height: 1.35;
  box-shadow: 0 4px 10px rgba(26,73,102,.03);
}
.k24-et-manual-card:hover { border-color: #3db8f2; color: #2399d1; }
.k24-et-manual-pdf {
  flex: 0 0 auto;
  padding: 3px 9px;
  border-radius: 6px;
  background: #ff6a00; color: #fff;
  font-size: 12px; font-weight: 700;
}

/* ===== Geraete-Top-Aktionen: Produktlink + Dokumente OBEN (v1.16.0) ===== */
/* Prominenter Block direkt unter dem Geraete-Titel */
.k24-et-geraet-top {
  display: flex; flex-direction: column; gap: 12px;
  padding: 14px 16px;
  background: #f5f9fc;
  border-bottom: 1px solid #e6f0f6;
}
.k24-et-geraet-top .k24-et-geraet-shop-link {
  align-self: flex-start;
  padding: 8px 16px; font-size: 14px;
}
.k24-et-docs-label {
  display: block; margin: 0 0 8px;
  font-size: 12px; font-weight: 600; letter-spacing: .02em;
  color: #1a4966; text-transform: uppercase;
}
/* Kompaktere Dokument-Karten im Geraete-Kontext */
.k24-et-geraet-docs .k24-et-manual-grid {
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}
.k24-et-geraet-docs .k24-et-manual-card {
  font-size: 13.5px; padding: 10px 13px;
}
/* Footer traegt jetzt nur noch den dezenten Fehler-Button */
.k24-et-geraet .k24-et-geraet-footer { padding: 10px 16px 14px; }
/* Viessmann-Kuehlzellen-Sammelkategorie */
.k24-et-kuehlzellen .k24-et-manual-grid { margin-top: 6px; }
/* Anleitungen-Sektion: Untergruppen-Ueberschrift + Produktlink */
.k24-et-anleitungen h3 {
  display: flex; align-items: baseline; flex-wrap: wrap; gap: 10px;
  color: #1a4966; margin: 22px 0 10px; font-size: 17px;
}
.k24-et-anl-produkt {
  font-size: 13px; font-weight: 600; color: #2399d1; text-decoration: none;
}
.k24-et-anl-produkt:hover { text-decoration: underline; }

/* ===== Inline-Icon (SVG-Symbol via <use>) + Nach-oben-Button (v1.17.0) ===== */
.k24-et-ico { flex-shrink: 0; vertical-align: -1px; }
.k24-et-totop {
  position: fixed; bottom: 24px; right: 24px; z-index: 900;
  display: flex; align-items: center; justify-content: center;
  width: 46px; height: 46px; border-radius: 50%;
  border: none; cursor: pointer;
  background: #1a4966; color: #fff; font-size: 22px; line-height: 1;
  box-shadow: 0 4px 14px rgba(26,73,102,.35);
  transition: background .15s;
}
.k24-et-totop:hover { background: #2399d1; }
/* hidden-Attribut respektieren (display:flex wuerde es sonst ueberschreiben) */
.k24-et-totop[hidden] { display: none; }
@media (max-width: 480px) {
  .k24-et-totop { bottom: 16px; right: 16px; width: 42px; height: 42px; }
}