/* Shared DBC navigation/footer surround an isolated materials-guide design. */
html { scroll-padding-top: 96px; }
body.bioten-guide-page { margin: 0; background: #f8f6f0; font: 400 16px/1.6 "Avenir Next", "PingFang SC", "Microsoft YaHei", sans-serif; }
body.bioten-guide-page *, body.bioten-guide-page *::before, body.bioten-guide-page *::after { box-sizing: border-box; }
body.bioten-guide-page .site-header { position: sticky; top: 0; height: 72px; width: 100%; }
body.bioten-guide-page .site-header .header-inner { width: min(1240px, calc(100% - 64px)); height: 100%; margin-inline: auto; display: flex; align-items: center; justify-content: space-between; }
body.bioten-guide-page .site-header .brand-logos { display: flex; align-items: center; gap: 6px; flex: 0 0 auto; }
body.bioten-guide-page .site-header .logo { display: flex; align-items: center; text-decoration: none; }
body.bioten-guide-page .site-header .logo-image img { display: block; width: 72px; height: 36px; object-fit: contain; }
body.bioten-guide-page .site-header .logo-image-biocycle img { width: 36px; height: 36px; }
body.bioten-guide-page .site-header .dbc-header-actions { display: flex; align-items: center; gap: 12px; }
.dbc-guide-sr {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.site-header .dbc-guide-language {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  color: #17483c;
  font-size: 13px;
}
.site-header .dbc-guide-language select {
  width: 112px;
  min-height: 42px;
  margin: 0;
  padding: 7px 20px 7px 6px;
  border: 0;
  border-radius: 4px;
  color: #17483c;
  background-color: transparent;
  font: 500 12px/1.4 system-ui, -apple-system, sans-serif;
  cursor: pointer;
}
.site-header .dbc-guide-language select:focus-visible {
  outline: 3px solid #aa6e24;
  outline-offset: 2px;
}
.site-header .dbc-guide-language noscript a { font-size: 11px; }
#bioten-guide-content { min-width: 0; }
#bioten-guide-content :is(h1, h2, h3, h4) { overflow-wrap: anywhere; hyphens: auto; }
#bioten-guide-content .hero-copy { min-width: 0; }
#bioten-guide-content .dbc-guide-context {
  border-bottom: 1px solid #cdd7ca;
  background: #f8f6f0;
  color: #35544d;
  font-size: 11px;
}
#bioten-guide-content .dbc-guide-context__inner {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 9px 15px;
  width: min(1160px, calc(100% - 44px));
  min-height: 58px;
  margin-inline: auto;
  padding: 12px 0;
  line-height: 1.6;
}
#bioten-guide-content .dbc-guide-context__inner > a { min-height: 30px; display: inline-flex; align-items: center; }
#bioten-guide-content .dbc-guide-context strong { font-weight: 550; }
#bioten-guide-content .dbc-guide-context nav { display: flex; gap: 22px; margin-left: auto; }
#bioten-guide-content .dbc-guide-context nav a { display: inline-flex; align-items: center; min-height: 32px; }
#bioten-guide-content .guide-notes {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  align-items: start;
  gap: 16px 32px;
  padding-block: 28px 30px;
  font-size: 11px;
  color: var(--muted);
}
#bioten-guide-content .guide-notes .footer-brand { color: var(--ink); font-weight: 600; }
#bioten-guide-content .guide-notes .footer-languages { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 8px 22px; }
#bioten-guide-content .guide-notes .footer-languages a { min-height: 36px; display: inline-flex; align-items: center; }
#bioten-guide-content .guide-notes .footer-languages a[aria-current] { color: var(--green); text-decoration: underline; text-underline-offset: 5px; }
#bioten-guide-content .reading-progress { top: 0; z-index: 100002; pointer-events: none; }
body.bioten-guide-page .bp7140-footer { clear: both; }
body.bioten-guide-page .bp7140-footer__bottom { flex-wrap: wrap; padding-block: 12px; white-space: normal; }
body.bioten-guide-page .bp7140-footer__legal { flex-wrap: wrap; }
body.bioten-guide-page .bp7140-footer__group a { overflow-wrap: anywhere; }
body.bioten-guide-page[data-guide-chooser] #bioten-guide-content main { margin: 0 auto; padding-block: 60px 80px; }
#bioten-guide-content .guide-chooser-subtitle { font-size: 14px; }
@media (max-width: 860px) {
  body.bioten-guide-page .site-header .header-inner { width: calc(100% - 36px); }
  .site-header .dbc-guide-language { gap: 0; }
  .site-header .dbc-guide-language > span { display: none; }
  .site-header .dbc-guide-language select { width: 94px; padding-left: 3px; }
  #bioten-guide-content .dbc-guide-context nav { width: 100%; margin-left: 0; }
}
@media (max-width: 480px) {
  html { scroll-padding-top: 86px; }
  .site-header .dbc-guide-language select { width: 76px; padding-right: 10px; font-size: 11px; }
  body.bioten-guide-page .site-header .header-inner { gap: 5px; }
  body.bioten-guide-page .site-header .dbc-header-actions { gap: 5px; }
  #bioten-guide-content .dbc-guide-context__inner { width: calc(100% - 36px); gap: 5px 10px; }
  #bioten-guide-content .guide-notes { grid-template-columns: 1fr; }
  body.bioten-guide-page[data-guide-chooser] #bioten-guide-content main { padding-block: 36px 48px; }
}

/* Integrate the two product photographs without contain-mode side gutters. */
#bioten-guide-content .hero-art { background: transparent; }
#bioten-guide-content .hero-art img {
  width: 100%; height: auto; max-width: 540px; max-height: none;
  aspect-ratio: 1; object-fit: cover; margin-inline: auto;
  background: transparent; border: 0; padding: 0; border-radius: 6px;
}
#bioten-guide-content #fiber .material-image { background: transparent; }
#bioten-guide-content #fiber .material-image img {
  width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover;
  background: transparent; mix-blend-mode: multiply; border: 0; border-radius: 0;
}
@media (max-width: 760px) {
  #bioten-guide-content .hero-art img { max-width: 380px; max-height: none; }
}