/* Isolated visual system for the commercial kefir production route. */
.ktw-cp {
  --cp-ink: #211f20;
  --cp-teal: #087f87;
  --cp-teal-dark: #155d64;
  --cp-mist: #dceef0;
  --cp-cream: #fbf5ed;
  --cp-yellow: #f4c84a;
  --cp-coral: #e58266;
  --cp-line: #d7d3ce;
  --cp-muted: #5d595a;
  background: #fff;
  color: var(--cp-ink);
}

.ktw-cp *,
.ktw-cp *::before,
.ktw-cp *::after { box-sizing: border-box; }
.ktw-cp button,
.ktw-cp input { font: inherit; }
.ktw-cp [hidden] { display: none !important; }

.ktw-cp-kicker {
  margin: 0 0 14px;
  color: var(--cp-teal-dark);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.ktw-cp-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--cp-line);
  background: var(--cp-yellow);
}
.ktw-cp-hero::before {
  position: absolute;
  top: -260px;
  right: -190px;
  width: 650px;
  height: 650px;
  border: 1px solid rgba(33,31,32,.18);
  border-radius: 50%;
  content: "";
}
.ktw-cp-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  min-height: 650px;
  padding-block: 78px;
  align-items: center;
  grid-template-columns: minmax(0,1.05fr) minmax(390px,.75fr);
  gap: 76px;
}
.ktw-cp-hero h1 {
  max-width: 850px;
  margin: 0 0 25px;
  font-size: clamp(45px,5.5vw,76px);
  line-height: .98;
  letter-spacing: -.035em;
}
.ktw-zh .ktw-cp-hero h1 { font-size: clamp(42px,5vw,68px); line-height: 1.1; }
.ktw-cp-lead {
  max-width: 760px;
  margin: 0;
  color: #393536;
  font-size: clamp(19px,1.8vw,23px);
  line-height: 1.58;
}
.ktw-cp-button {
  display: inline-flex;
  min-height: 52px;
  margin-top: 30px;
  padding: 12px 22px;
  border: 2px solid var(--cp-ink);
  border-radius: 999px;
  align-items: center;
  color: var(--cp-ink);
  font-weight: 800;
  text-decoration: none !important;
  gap: 14px;
}
.ktw-cp-button:hover,
.ktw-cp-button:focus-visible { background: var(--cp-ink); color: #fff; }

.ktw-cp-hero__visual {
  position: relative;
  min-height: 440px;
  border: 1px solid rgba(33,31,32,.2);
  border-radius: 220px 220px 28px 28px;
  background: rgba(255,255,255,.54);
  box-shadow: 0 28px 60px rgba(33,31,32,.12);
}
.ktw-cp-tank {
  position: absolute;
  top: 66px;
  left: 42px;
  display: grid;
  width: 130px;
  height: 180px;
  border: 3px solid var(--cp-ink);
  border-radius: 16px 16px 55px 55px;
  background: #fff;
  place-items: center;
}
.ktw-cp-tank::before { position: absolute; top: -24px; width: 78px; height: 26px; border: 3px solid var(--cp-ink); border-bottom: 0; border-radius: 12px 12px 0 0; content: ""; }
.ktw-cp-tank span,
.ktw-cp-cooler span { font-size: 14px; font-weight: 800; }
.ktw-cp-pipe { position: absolute; top: 150px; left: 172px; width: 160px; height: 8px; border-radius: 999px; background: var(--cp-ink); }
.ktw-cp-pipe::after { position: absolute; right: -3px; bottom: -54px; width: 8px; height: 58px; border-radius: 999px; background: var(--cp-ink); content: ""; }
.ktw-cp-culture {
  position: absolute;
  z-index: 2;
  top: 105px;
  left: 205px;
  width: 78px;
  height: 78px;
  border: 2px solid var(--cp-ink);
  border-radius: 50%;
  background: var(--cp-mist);
}
.ktw-cp-culture i { position: absolute; width: 14px; height: 14px; border-radius: 50%; background: var(--cp-teal); }
.ktw-cp-culture i:nth-child(1) { top: 17px; left: 18px; }
.ktw-cp-culture i:nth-child(2) { top: 25px; right: 14px; background: var(--cp-coral); }
.ktw-cp-culture i:nth-child(3) { right: 28px; bottom: 12px; background: var(--cp-yellow); }
.ktw-cp-cooler {
  position: absolute;
  top: 204px;
  left: 276px;
  display: grid;
  width: 100px;
  height: 95px;
  border: 3px solid var(--cp-ink);
  border-radius: 18px;
  background: var(--cp-mist);
  place-items: center;
}
.ktw-cp-cooler::before,
.ktw-cp-cooler::after { position: absolute; width: 52px; height: 2px; background: var(--cp-teal); content: ""; transform: rotate(45deg); }
.ktw-cp-cooler::after { transform: rotate(-45deg); }
.ktw-cp-bottle {
  position: absolute;
  right: 44px;
  bottom: 40px;
  display: grid;
  width: 112px;
  height: 190px;
  border: 3px solid var(--cp-ink);
  border-radius: 26px 26px 34px 34px;
  background: #fff;
  place-items: center;
}
.ktw-cp-bottle::before { position: absolute; top: -30px; width: 58px; height: 34px; border: 3px solid var(--cp-ink); border-bottom: 0; border-radius: 12px 12px 0 0; background: #fff; content: ""; }
.ktw-cp-bottle span { display: grid; width: 52px; height: 52px; border-radius: 50% 50% 50% 15px; background: var(--cp-teal); color: #fff; font-size: 25px; font-weight: 850; place-items: center; }

.ktw-cp-quicknav { border-bottom: 1px solid var(--cp-line); background: #fff; }
.ktw-cp-quicknav .ktw-shell { display: flex; min-height: 62px; align-items: stretch; gap: 34px; }
.ktw-cp-quicknav a { display: flex; border-bottom: 3px solid transparent; align-items: center; color: var(--cp-teal-dark); font-size: 15px; font-weight: 800; text-decoration: none; }
.ktw-cp-quicknav a:hover,
.ktw-cp-quicknav a:focus-visible { border-color: var(--cp-teal); }

.ktw-cp-section { padding-block: 92px; }
.ktw-cp-section--line { background: var(--cp-cream); }
.ktw-cp-heading { max-width: 820px; margin-bottom: 46px; }
.ktw-cp-heading h2 { margin: 0 0 18px; font-size: clamp(35px,4.4vw,58px); line-height: 1.04; letter-spacing: -.025em; }
.ktw-cp-heading > p:last-child { max-width: 750px; margin: 0; color: var(--cp-muted); font-size: 19px; line-height: 1.6; }

.ktw-cp-line { display: grid; grid-template-columns: 290px minmax(0,1fr); gap: 28px; }
.ktw-cp-line__rail { display: grid; align-content: start; gap: 7px; }
.ktw-cp-line__rail button {
  display: grid;
  min-height: 70px;
  padding: 10px 16px;
  border: 1px solid #aaa59f;
  border-radius: 12px;
  grid-template-columns: 38px minmax(0,1fr);
  align-items: center;
  background: #fff;
  color: var(--cp-ink);
  text-align: left;
  cursor: pointer;
  gap: 12px;
}
.ktw-cp-line__rail button span { display: grid; width: 34px; height: 34px; border-radius: 50%; background: var(--cp-ink); color: #fff; font-size: 12px; font-weight: 800; place-items: center; }
.ktw-cp-line__rail button b { font-size: 15px; line-height: 1.2; }
.ktw-cp-line__rail button:hover,
.ktw-cp-line__rail button:focus-visible,
.ktw-cp-line__rail button[aria-selected="true"] { border-color: var(--cp-teal); background: var(--cp-mist); color: var(--cp-teal-dark); }
.ktw-cp-line__rail button[aria-selected="true"] span { background: var(--cp-teal); }
.ktw-cp-line__panels article { min-height: 560px; padding: 54px; border: 1px solid var(--cp-line); border-radius: 24px; background: #fff; }
.ktw-cp-station { margin: 0 0 70px; color: var(--cp-teal-dark); font-size: 14px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.ktw-cp-line__panels h3 { max-width: 760px; margin: 0 0 22px; font-size: clamp(34px,4.2vw,54px); line-height: 1.04; }
.ktw-cp-line__panels article > p:not(.ktw-cp-station) { max-width: 760px; margin: 0; color: var(--cp-muted); font-size: 20px; line-height: 1.62; }
.ktw-cp-panel-notes { display: grid; margin-top: 54px; padding-top: 30px; border-top: 1px solid var(--cp-line); grid-template-columns: repeat(2,minmax(0,1fr)); gap: 24px; }
.ktw-cp-panel-notes div { display: grid; align-content: start; gap: 8px; }
.ktw-cp-panel-notes span { color: var(--cp-teal-dark); font-size: 13px; font-weight: 800; letter-spacing: .05em; text-transform: uppercase; }
.ktw-cp-panel-notes strong { font-size: 17px; line-height: 1.45; }
.ktw-cp-noscript { margin: 24px 0 0; padding: 18px 20px; border-left: 5px solid var(--cp-teal); background: #fff; }

.ktw-cp-section--builder { background: var(--cp-teal-dark); color: #fff; }
.ktw-cp-heading--light .ktw-cp-kicker { color: #a9e2e4; }
.ktw-cp-heading--light > p:last-child { color: rgba(255,255,255,.82); }
.ktw-cp-builder { display: grid; grid-template-columns: minmax(0,1fr) minmax(360px,.65fr); gap: 42px; }
.ktw-cp-builder__controls { display: grid; gap: 22px; }
.ktw-cp-builder fieldset { margin: 0; padding: 28px; border: 1px solid rgba(255,255,255,.28); border-radius: 18px; }
.ktw-cp-builder legend { padding: 0 10px; font-size: 20px; font-weight: 800; }
.ktw-cp-builder legend span { display: inline-grid; width: 34px; height: 34px; margin-right: 9px; border-radius: 50%; background: var(--cp-yellow); color: var(--cp-ink); font-size: 13px; place-items: center; }
.ktw-cp-builder label { display: block; margin-top: 10px; cursor: pointer; }
.ktw-cp-builder label input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.ktw-cp-builder label > span { display: grid; min-height: 86px; padding: 17px 18px 17px 52px; border: 1px solid rgba(255,255,255,.32); border-radius: 12px; background: rgba(255,255,255,.06); align-content: center; gap: 4px; }
.ktw-cp-builder label > span::before { position: absolute; width: 20px; height: 20px; margin-left: -34px; border: 2px solid #fff; border-radius: 50%; content: ""; }
.ktw-cp-builder label input:checked + span { border-color: var(--cp-yellow); background: rgba(244,200,74,.16); box-shadow: inset 5px 0 0 var(--cp-yellow); }
.ktw-cp-builder label input:checked + span::before { border: 5px solid #fff; background: var(--cp-teal); box-shadow: 0 0 0 2px var(--cp-yellow); }
.ktw-cp-builder label input:focus-visible + span { outline: 3px solid #fff; outline-offset: 3px; }
.ktw-cp-builder label b { font-size: 17px; }
.ktw-cp-builder label small { color: rgba(255,255,255,.74); font-size: 14px; line-height: 1.4; }
.ktw-cp-builder__result { position: sticky; top: 100px; min-height: 590px; padding: 42px; border-radius: 120px 22px 22px 22px; align-self: start; background: #fff; color: var(--cp-ink); box-shadow: 0 26px 60px rgba(0,0,0,.18); }
.ktw-cp-result-label { margin: 0 0 24px; color: var(--cp-teal-dark); font-size: 13px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.ktw-cp-result-bottle { position: relative; display: grid; width: 108px; height: 160px; margin: 0 0 40px 26px; border: 3px solid var(--cp-ink); border-radius: 22px 22px 30px 30px; background: var(--cp-mist); place-items: center; }
.ktw-cp-result-bottle::before { position: absolute; top: -23px; width: 52px; height: 26px; border: 3px solid var(--cp-ink); border-bottom: 0; border-radius: 10px 10px 0 0; background: var(--cp-mist); content: ""; }
.ktw-cp-result-bottle > span { display: grid; width: 48px; height: 48px; border-radius: 50% 50% 50% 14px; background: var(--cp-teal); color: #fff; font-size: 24px; font-weight: 850; place-items: center; }
.ktw-cp-result-bottle i { position: absolute; right: -42px; bottom: 18px; padding: 6px 10px; border: 2px solid var(--cp-ink); border-radius: 999px; background: var(--cp-yellow); color: var(--cp-ink); font-size: 12px; font-style: normal; font-weight: 800; }
.ktw-cp-builder__result h3 { margin: 0 0 18px; font-size: 31px; line-height: 1.1; }
.ktw-cp-builder__result > p:not(.ktw-cp-result-label) { margin: 0; color: var(--cp-muted); font-size: 17px; line-height: 1.55; }
.ktw-cp-builder__result ul { display: grid; margin: 30px 0 0; padding: 22px 0 0; border-top: 1px solid var(--cp-line); list-style: none; gap: 13px; }
.ktw-cp-builder__result li { position: relative; padding-left: 22px; font-size: 14px; line-height: 1.45; }
.ktw-cp-builder__result li::before { position: absolute; top: .55em; left: 0; width: 8px; height: 8px; border-radius: 50%; background: var(--cp-teal); content: ""; }

.ktw-cp-section--label { background: #fff; }
.ktw-cp-label-grid { display: grid; grid-template-columns: repeat(6,minmax(0,1fr)); gap: 18px; }
.ktw-cp-label-grid article { min-height: 300px; padding: 28px; border: 1px solid var(--cp-line); border-radius: 18px; background: var(--cp-cream); grid-column: span 2; }
.ktw-cp-label-grid article:nth-child(4) { grid-column: 2 / span 2; }
.ktw-cp-label-grid article:nth-child(5) { grid-column: span 2; }
.ktw-cp-label-grid article > span { display: grid; width: 48px; height: 48px; margin-bottom: 48px; border-radius: 50%; background: var(--cp-teal); color: #fff; font-weight: 800; place-items: center; }
.ktw-cp-label-grid h3 { margin: 0 0 13px; font-size: 25px; }
.ktw-cp-label-grid p { margin: 0; color: var(--cp-muted); line-height: 1.55; }
.ktw-cp-plain-answer { display: grid; margin-top: 76px; padding: 48px; border-left: 8px solid var(--cp-yellow); border-radius: 0 22px 22px 0; align-items: end; grid-template-columns: minmax(0,1.15fr) minmax(300px,.65fr); gap: 52px; background: var(--cp-ink); color: #fff; }
.ktw-cp-plain-answer .ktw-cp-kicker { color: #a9e2e4; }
.ktw-cp-plain-answer h2 { margin: 0; color: #fff; font-size: clamp(33px,4.2vw,51px); line-height: 1.06; }
.ktw-cp-plain-answer > p { margin: 0; color: rgba(255,255,255,.8); font-size: 18px; line-height: 1.6; }
.ktw-cp-next { display: grid; margin-top: 76px; padding-top: 48px; border-top: 1px solid var(--cp-line); grid-template-columns: minmax(0,1fr) minmax(300px,.58fr); align-items: end; gap: 52px; }
.ktw-cp-next h2 { max-width: 680px; margin: 0; font-size: clamp(31px,3.8vw,48px); line-height: 1.07; }
.ktw-cp-next > a { display: flex; padding: 21px 0; border-top: 3px solid var(--cp-teal); border-bottom: 1px solid var(--cp-line); align-items: center; justify-content: space-between; color: var(--cp-teal-dark); font-size: 18px; font-weight: 800; text-decoration: none; gap: 22px; }
.ktw-cp-next > a span { font-size: 28px; }
.ktw-cp-sources { margin-top: 62px; padding-top: 24px; border-top: 1px solid var(--cp-line); }
.ktw-cp-sources summary { width: fit-content; cursor: pointer; font-weight: 800; }
.ktw-cp-sources ul { display: grid; max-width: 900px; margin: 24px 0 0; padding: 0; list-style: none; gap: 12px; }
.ktw-cp-sources li { display: grid; padding-bottom: 12px; border-bottom: 1px solid var(--cp-line); grid-template-columns: minmax(0,1fr) auto; gap: 20px; }
.ktw-cp-sources a { color: var(--cp-teal-dark); font-weight: 750; text-decoration: underline; }
.ktw-cp-sources span { color: var(--cp-muted); font-size: 14px; }

@media (max-width: 1000px) {
  .ktw-cp-hero__grid { grid-template-columns: minmax(0,1fr) 360px; gap: 40px; }
  .ktw-cp-hero__visual { min-height: 390px; }
  .ktw-cp-tank { top: 70px; left: 30px; width: 110px; height: 150px; }
  .ktw-cp-pipe { left: 140px; width: 140px; }
  .ktw-cp-culture { left: 180px; }
  .ktw-cp-cooler { top: 200px; left: 230px; }
  .ktw-cp-bottle { right: 30px; }
  .ktw-cp-builder { grid-template-columns: minmax(0,1fr) 340px; gap: 28px; }
  .ktw-cp-builder__result { padding: 36px 30px; }
}

@media (max-width: 820px) {
  .ktw-cp-hero__grid { min-height: 0; padding-block: 62px; grid-template-columns: 1fr; }
  .ktw-cp-hero__visual { width: min(100%,520px); min-height: 420px; }
  .ktw-cp-line { grid-template-columns: 1fr; }
  .ktw-cp-line__rail { overflow-x: auto; padding-bottom: 8px; grid-auto-flow: column; grid-auto-columns: minmax(180px,1fr); grid-template-columns: none; scroll-snap-type: x proximity; }
  .ktw-cp-line__rail button { scroll-snap-align: start; }
  .ktw-cp-line__panels article { min-height: 520px; }
  .ktw-cp-builder { grid-template-columns: 1fr; }
  .ktw-cp-builder__result { position: relative; top: auto; min-height: 0; }
  .ktw-cp-plain-answer { grid-template-columns: 1fr; gap: 28px; }
}

@media (max-width: 640px) {
  .ktw-cp-hero__grid { padding-block: 42px 50px; gap: 40px; }
  .ktw-cp-hero h1 { font-size: 41px; line-height: 1.03; }
  .ktw-zh .ktw-cp-hero h1 { font-size: 38px; }
  .ktw-cp-lead { font-size: 18px; }
  .ktw-cp-hero__visual { min-height: 330px; border-radius: 160px 160px 22px 22px; }
  .ktw-cp-tank { top: 58px; left: 20px; width: 88px; height: 126px; }
  .ktw-cp-pipe { top: 124px; left: 108px; width: 118px; }
  .ktw-cp-culture { top: 86px; left: 132px; width: 68px; height: 68px; }
  .ktw-cp-cooler { top: 178px; left: 170px; width: 82px; height: 78px; }
  .ktw-cp-bottle { right: 21px; bottom: 28px; width: 82px; height: 142px; }
  .ktw-cp-bottle span { width: 42px; height: 42px; font-size: 21px; }
  .ktw-cp-quicknav { overflow: hidden; }
  .ktw-cp-quicknav .ktw-shell { overflow-x: auto; min-height: 56px; gap: 26px; }
  .ktw-cp-quicknav a { flex: 0 0 auto; }
  .ktw-cp-section { padding-block: 64px; }
  .ktw-cp-heading { margin-bottom: 34px; }
  .ktw-cp-heading h2 { font-size: 35px; }
  .ktw-cp-heading > p:last-child { font-size: 17px; }
  .ktw-cp-line__rail { margin-right: calc(50% - 50vw); padding-right: 22px; }
  .ktw-cp-line__panels article { min-height: 0; padding: 30px 24px; }
  .ktw-cp-station { margin-bottom: 42px; }
  .ktw-cp-line__panels h3 { font-size: 34px; }
  .ktw-cp-line__panels article > p:not(.ktw-cp-station) { font-size: 18px; }
  .ktw-cp-panel-notes { grid-template-columns: 1fr; }
  .ktw-cp-builder fieldset { padding: 20px 16px; }
  .ktw-cp-builder legend { font-size: 18px; }
  .ktw-cp-builder label > span { padding: 15px 14px 15px 46px; }
  .ktw-cp-builder__result { padding: 34px 24px; border-radius: 80px 18px 18px 18px; }
  .ktw-cp-label-grid { grid-template-columns: 1fr; }
  .ktw-cp-label-grid article,
  .ktw-cp-label-grid article:nth-child(4),
  .ktw-cp-label-grid article:nth-child(5) { min-height: 0; grid-column: auto; }
  .ktw-cp-label-grid article > span { margin-bottom: 26px; }
  .ktw-cp-plain-answer { margin-top: 52px; padding: 34px 24px; }
  .ktw-cp-plain-answer h2 { font-size: 34px; }
  .ktw-cp-next { margin-top: 54px; padding-top: 38px; grid-template-columns: 1fr; gap: 26px; }
  .ktw-cp-sources li { grid-template-columns: 1fr; gap: 4px; }
}

@media (prefers-reduced-motion: no-preference) {
  .ktw-cp-line__panels article { animation: ktw-cp-panel-in .28s ease both; }
  .ktw-cp-result-bottle { transition: background-color .2s ease, transform .2s ease; }
  .ktw-cp-builder__result[data-finish="heated"] .ktw-cp-result-bottle { transform: translateY(2px); }
}

@keyframes ktw-cp-panel-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .ktw-cp *,
  .ktw-cp *::before,
  .ktw-cp *::after { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
}