:root {
  --bg: #f7f5ef;
  --paper: #fffdf8;
  --ink: #20211d;
  --muted: #696a62;
  --line: #dedbd1;
  --accent: #2d5a4a;
  --accent-soft: #e6eee9;
  --warm: #efe5d4;
  --shadow: 0 20px 55px rgba(38, 39, 33, .08);
  --radius: 22px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; color: inherit; }

.skip {
  position: absolute;
  left: -9999px;
  top: 8px;
  z-index: 20;
  padding: 8px 12px;
  border-radius: 8px;
  background: var(--ink);
  color: white;
}
.skip:focus { left: 8px; }

.topbar {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
}
.brand-mark {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--accent);
  color: white;
  font: 700 20px/1 Georgia, serif;
}
.brand strong, .brand small { display: block; }
.brand strong { font-size: 14px; letter-spacing: .02em; }
.brand small { color: var(--muted); font-size: 11px; margin-top: 1px; }
.top-link { color: var(--muted); text-decoration: none; font-size: 14px; }
.top-link:hover { color: var(--ink); }

main { overflow: hidden; }
.hero {
  width: min(1160px, calc(100% - 40px));
  margin: 42px auto 64px;
  min-height: 500px;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(380px, .92fr);
  gap: 72px;
  align-items: center;
}
.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: .12em;
  text-transform: uppercase;
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  margin-bottom: 24px;
  font-family: Georgia, "Songti SC", "STSong", serif;
  font-size: clamp(46px, 6vw, 76px);
  line-height: 1.08;
  letter-spacing: -.045em;
  font-weight: 650;
}
.lead {
  max-width: 660px;
  margin-bottom: 30px;
  color: #4d4e47;
  font-size: 19px;
  line-height: 1.8;
}
.hero-actions, .result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 13px;
  border: 1px solid transparent;
  font-weight: 700;
  text-decoration: none;
  transition: transform .16s ease, box-shadow .16s ease, background .16s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn.primary { background: var(--accent); color: white; box-shadow: 0 10px 25px rgba(45, 90, 74, .18); }
.btn.quiet { border-color: var(--line); background: rgba(255,255,255,.45); }
.micro { margin: 14px 0 0; color: var(--muted); font-size: 13px; }

.thought-card {
  position: relative;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(255,253,248,.86);
  box-shadow: var(--shadow);
  transform: rotate(1.2deg);
}
.thought-card::before {
  content: "";
  position: absolute;
  inset: -18px 26px auto -24px;
  height: 86px;
  border-radius: 30px;
  background: var(--warm);
  z-index: -1;
  transform: rotate(-4deg);
}
.tree-title { margin-bottom: 18px; color: var(--muted); font-size: 13px; font-weight: 700; }
.tree-row {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 8px;
  align-items: center;
  min-height: 46px;
  padding: 5px 12px;
  margin: 4px 0;
  border-radius: 10px;
}
.tree-row span { color: #86877f; font: 600 12px/1.3 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.tree-row b { font-size: 15px; font-weight: 650; }
.tree-row.level-2 { margin-left: 22px; }
.tree-row.level-3 { margin-left: 44px; }
.tree-row.active { background: var(--accent-soft); }
.thought-card > p { margin: 20px 4px 2px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }

.thought-demo {
  position: relative;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(255,253,248,.92);
  box-shadow: var(--shadow);
  transform: rotate(.7deg);
}
.thought-demo::before {
  content: "";
  position: absolute;
  inset: -18px 26px auto -24px;
  height: 86px;
  border-radius: 30px;
  background: var(--warm);
  z-index: -1;
  transform: rotate(-4deg);
}
.demo-head {
  min-height: 42px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}
.demo-captions {
  position: relative;
  min-height: 36px;
  flex: 1 1 auto;
  color: var(--ink);
  font-size: 14px;
  font-weight: 750;
}
.demo-captions span {
  position: absolute;
  inset: 0 auto auto 0;
  opacity: 0;
  animation: demo-caption 12s ease-in-out infinite;
}
.demo-captions .caption-2 { animation-delay: 3s; }
.demo-captions .caption-3 { animation-delay: 6s; }
.demo-captions .caption-4 { animation-delay: 9s; }
.demo-live {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 8px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .04em;
}
.demo-live i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  animation: demo-pulse 1.4s ease-in-out infinite;
}
.demo-word {
  overflow: hidden;
  border: 1px solid #d7d8d1;
  border-radius: 16px;
  background: #f3f4f0;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.5);
}
.demo-chrome {
  height: 28px;
  padding: 0 10px;
  display: flex;
  align-items: center;
  gap: 5px;
  border-bottom: 1px solid #dadbd5;
  background: #e9ebe6;
}
.demo-chrome > span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #c4c7c0;
}
.demo-chrome b {
  margin-left: 6px;
  color: #757871;
  font-size: 9px;
  font-weight: 700;
}
.demo-body {
  min-height: 250px;
  display: grid;
  grid-template-columns: minmax(0, 1.16fr) minmax(150px, .84fr);
  background: #fff;
}
.demo-document,
.demo-navigation {
  min-width: 0;
  padding: 12px 10px 14px;
}
.demo-document { border-right: 1px solid #e2e3de; }
.demo-navigation {
  background: #f6f7f4;
  opacity: 0;
  transform: translateX(9px);
  animation: demo-nav-reveal 12s ease-in-out infinite;
}
.demo-pane-title {
  height: 24px;
  color: #878a82;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .08em;
}
.demo-doc-list,
.demo-nav-list { position: relative; }
.demo-doc-row {
  min-height: 38px;
  margin-bottom: 3px;
  padding: 5px 6px;
  display: flex;
  align-items: center;
  gap: 6px;
  border-radius: 7px;
  transform: translateY(0);
}
.demo-doc-row em {
  flex: 0 0 auto;
  min-width: 38px;
  padding: 2px 4px;
  border-radius: 5px;
  background: #eef0ec;
  color: #8a8d85;
  font-size: 8px;
  font-style: normal;
  font-weight: 800;
  opacity: 0;
  transform: translateX(-5px);
  animation: demo-level-badge 12s ease-in-out infinite;
}
.demo-doc-row b {
  min-width: 0;
  color: #3f423c;
  font-family: Georgia, "Songti SC", "STSong", serif;
  font-size: 12px;
  line-height: 1.25;
  font-weight: 650;
}
.demo-doc-row.level-2 { padding-left: 17px; }
.demo-doc-row.level-3 { padding-left: 29px; }
.doc-b { animation: demo-doc-b 12s ease-in-out infinite; }
.doc-c,
.doc-d { animation: demo-doc-block 12s ease-in-out infinite; }
.doc-c.moving,
.doc-d.moving { background: rgba(230,238,233,0); animation-name: demo-doc-block, demo-block-highlight; }
.demo-nav-list { min-height: 204px; }
.demo-nav-row {
  min-height: 34px;
  margin-bottom: 2px;
  padding: 5px 5px;
  display: grid;
  grid-template-columns: 12px minmax(0, 1fr);
  align-items: center;
  gap: 3px;
  border-radius: 7px;
  transform: translateY(0);
}
.demo-nav-row > span {
  color: #a3a69f;
  font-size: 8px;
  letter-spacing: -2px;
}
.demo-nav-row b {
  min-width: 0;
  color: #555850;
  font-size: 9px;
  line-height: 1.25;
  font-weight: 700;
}
.demo-nav-row.level-2 { padding-left: 12px; }
.demo-nav-row.level-3 { padding-left: 22px; }
.nav-b { animation: demo-nav-b 12s ease-in-out infinite; }
.nav-c,
.nav-d { animation: demo-nav-block 12s ease-in-out infinite; }
.nav-c.moving,
.nav-d.moving { animation-name: demo-nav-block, demo-block-highlight; }
.demo-drag-cursor {
  position: absolute;
  top: 76px;
  right: 6px;
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--accent);
  color: white;
  box-shadow: 0 6px 16px rgba(45,90,74,.26);
  font-size: 12px;
  font-weight: 900;
  opacity: 0;
  transform: translateY(30px);
  animation: demo-drag-cursor 12s ease-in-out infinite;
}
.demo-keys {
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
  color: #7a7d75;
  font-size: 9px;
}
.demo-keys span { display: inline-flex; align-items: center; gap: 5px; }
.demo-keys kbd {
  padding: 3px 5px;
  border: 1px solid #d6d8d1;
  border-bottom-width: 2px;
  border-radius: 5px;
  background: #fafaf7;
  color: #5e615a;
  font: 700 8px/1.2 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  white-space: nowrap;
}
.thought-demo > p {
  margin: 10px 2px 0;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 11px;
}

@keyframes demo-caption {
  0%, 21% { opacity: 1; transform: translateY(0); }
  24%, 100% { opacity: 0; transform: translateY(-3px); }
}
@keyframes demo-pulse {
  0%, 100% { opacity: .35; transform: scale(.8); }
  50% { opacity: 1; transform: scale(1); }
}
@keyframes demo-level-badge {
  0%, 5% { opacity: 0; transform: translateX(-5px); }
  12%, 96% { opacity: 1; transform: translateX(0); }
  100% { opacity: 0; transform: translateX(-5px); }
}
@keyframes demo-nav-reveal {
  0%, 23% { opacity: 0; transform: translateX(9px); }
  31%, 96% { opacity: 1; transform: translateX(0); }
  100% { opacity: 0; transform: translateX(9px); }
}
@keyframes demo-doc-b {
  0%, 52% { transform: translateY(0); }
  68%, 96% { transform: translateY(82px); }
  100% { transform: translateY(0); }
}
@keyframes demo-doc-block {
  0%, 52% { transform: translateY(0); }
  68%, 96% { transform: translateY(-41px); }
  100% { transform: translateY(0); }
}
@keyframes demo-nav-b {
  0%, 52% { transform: translateY(0); }
  68%, 96% { transform: translateY(72px); }
  100% { transform: translateY(0); }
}
@keyframes demo-nav-block {
  0%, 52% { transform: translateY(0); }
  68%, 96% { transform: translateY(-36px); }
  100% { transform: translateY(0); }
}
@keyframes demo-block-highlight {
  0%, 46% { background: rgba(230,238,233,0); box-shadow: none; }
  53%, 70% { background: var(--accent-soft); box-shadow: 0 5px 14px rgba(45,90,74,.08); }
  82%, 100% { background: rgba(230,238,233,.55); box-shadow: none; }
}
@keyframes demo-drag-cursor {
  0%, 48% { opacity: 0; transform: translateY(30px); }
  52% { opacity: 1; transform: translateY(30px); }
  66% { opacity: 1; transform: translateY(-5px); }
  72%, 100% { opacity: 0; transform: translateY(-5px); }
}

.chooser-wrap {
  padding: 88px 20px 100px;
  background: #20231f;
  color: #f6f4ee;
}
.section-head { width: min(1000px, 100%); margin: 0 auto 36px; text-align: center; }
.section-head h2 {
  margin-bottom: 12px;
  font-family: Georgia, "Songti SC", "STSong", serif;
  font-size: clamp(34px, 5vw, 52px);
  line-height: 1.15;
  letter-spacing: -.025em;
}
.section-head > p:last-child { color: #b9bbb3; }
.section-head.compact { width: min(820px, 100%); }
.value .section-head > p:last-child, .ready .section-head > p:last-child, .faq .section-head > p:last-child { color: var(--muted); }

.chooser {
  width: min(1040px, 100%);
  margin: 0 auto;
  display: grid;
  gap: 16px;
}
.step, .result {
  padding: 26px;
  border: 1px solid #454942;
  border-radius: 20px;
  background: #292d28;
}
.step.locked { opacity: .42; }
.step.locked button:disabled { opacity: 1; cursor: default; }
.step-head { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 18px; }
.step-no {
  width: 30px; height: 30px; flex: 0 0 30px;
  display: grid; place-items: center;
  border-radius: 50%;
  color: #1f2a24; background: #dce9e1;
  font-weight: 800; font-size: 12px;
}
.step-head h3 { margin: 1px 0 2px; font-size: 18px; }
.step-head p { margin: 0; color: #aeb1a9; font-size: 13px; }
.choice-grid { display: grid; gap: 12px; }
.choice-grid.two { grid-template-columns: repeat(2, 1fr); }
.choice {
  min-height: 104px;
  padding: 18px;
  border: 1px solid #4b5049;
  border-radius: 15px;
  background: #232622;
  text-align: left;
  cursor: pointer;
}
.choice:hover { border-color: #748279; }
.choice.selected { border-color: #a8cbb9; background: #2e3b34; box-shadow: inset 0 0 0 1px #a8cbb9; }
.choice .icon { display: block; margin-bottom: 7px; font-size: 22px; }
.choice strong, .choice small { display: block; }
.choice small { color: #aaa; margin-top: 3px; }

.scheme-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.scheme {
  position: relative;
  overflow: hidden;
  padding: 0;
  border: 1px solid #4b5049;
  border-radius: 15px;
  background: #232622;
  text-align: left;
  cursor: pointer;
}
.scheme:hover { border-color: #748279; }
.scheme.selected { border-color: #a8cbb9; box-shadow: inset 0 0 0 1px #a8cbb9; }
.scheme img { width: 100%; height: 150px; object-fit: cover; object-position: top; display: block; background: #fff; }
.scheme-copy { display: block; padding: 15px; }
.scheme strong, .scheme code, .scheme small { display: block; }
.scheme code { margin-top: 7px; color: #c5ddcf; font-size: 12px; white-space: normal; }
.scheme small { margin-top: 8px; color: #aaa; line-height: 1.5; }
.recommend {
  position: absolute; top: 10px; right: 10px; z-index: 2;
  padding: 3px 8px; border-radius: 999px;
  background: #2d5a4a; color: white; font-size: 10px; font-weight: 800;
}
.placeholder { padding: 28px; border: 1px dashed #51554f; border-radius: 13px; color: #8e918a; text-align: center; }

.result {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 30px;
  align-items: center;
  border-color: #708177;
  background: #313831;
}
.result[hidden] { display: none; }
.result h3 { margin-bottom: 8px; font-size: 28px; }
.number-example { color: #c9dfd3; font: 650 15px/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.result-copy > p:not(.eyebrow):not(.number-example):not(.micro) { color: #ccd0c8; }
.result .btn.primary { background: #e7f0ea; color: #213027; box-shadow: none; }
.result .btn.quiet { color: white; border-color: #68736b; background: transparent; }
.preview { overflow: hidden; border-radius: 15px; background: white; }
.preview img { display: block; width: 100%; max-height: 300px; object-fit: cover; object-position: top; }
.reset { margin-top: 18px; padding: 0; border: 0; background: transparent; color: #aeb6b0; cursor: pointer; text-decoration: underline; }

.value, .ready, .faq { padding: 100px 20px; }
.value-grid {
  width: min(1080px, 100%);
  margin: 48px auto 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.value-grid article {
  padding: 24px 22px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255,255,255,.34);
}
.value-grid article > span { color: var(--accent); font: 700 12px/1 ui-monospace, monospace; }
.value-grid h3 { margin: 18px 0 8px; font-size: 18px; }
.value-grid p { margin-bottom: 0; color: var(--muted); font-size: 14px; }

.ready { padding-top: 20px; }
.pill-grid {
  width: min(900px, 100%);
  margin: 34px auto 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}
.pill-grid span { padding: 9px 14px; border: 1px solid var(--line); border-radius: 999px; background: var(--paper); font-size: 13px; }

.start { padding: 10px 20px 100px; }
.start-card {
  width: min(1040px, 100%);
  margin: 0 auto;
  padding: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  border-radius: 25px;
  background: var(--accent);
  color: white;
}
.start-card .eyebrow { color: #c6dfd3; }
.start-card h2 { margin-bottom: 8px; font: 650 clamp(28px, 4vw, 42px)/1.2 Georgia, "Songti SC", serif; }
.start-card p:last-child { max-width: 680px; margin-bottom: 0; color: #dbe8e1; }
.start-card .btn.primary { flex: 0 0 auto; background: white; color: var(--accent); box-shadow: none; }

.faq { padding-top: 15px; width: min(900px, 100%); margin: 0 auto; }
.faq details { border-top: 1px solid var(--line); }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { padding: 18px 2px; cursor: pointer; font-weight: 700; }
.faq details p { padding: 0 2px 18px; margin: 0; color: var(--muted); }

footer {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
  padding: 26px 0 42px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  border-top: 1px solid var(--line);
  color: #77786f;
  font-size: 12px;
}
.footer-links { display: flex; gap: 18px; }
.footer-links a { color: inherit; text-decoration: none; }
.footer-links a:hover { color: var(--ink); }

@media (max-width: 880px) {
  .hero { grid-template-columns: 1fr; gap: 36px; margin-top: 28px; margin-bottom: 52px; }
  .thought-card, .thought-demo { transform: none; }
  .scheme-grid { grid-template-columns: 1fr; }
  .scheme { display: grid; grid-template-columns: 150px 1fr; }
  .scheme img { height: 100%; min-height: 130px; }
  .result { grid-template-columns: 1fr; }
  .value-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .topbar { width: min(100% - 28px, 1160px); min-height: 68px; }
  .brand strong { font-size: 13px; }
  .top-link { display: none; }
  .hero { width: min(100% - 28px, 1160px); margin-bottom: 48px; }
  h1 { font-size: clamp(38px, 11.5vw, 45px); }
  .lead { font-size: 17px; }
  .hero-actions .btn { width: 100%; }
  .thought-card { padding: 20px 15px; }
  .tree-row { grid-template-columns: 45px 1fr; padding-left: 8px; padding-right: 8px; }
  .tree-row.level-2 { margin-left: 12px; }
  .tree-row.level-3 { margin-left: 24px; }
  .thought-demo { padding: 16px 12px; }
  .demo-head { min-height: 48px; }
  .demo-captions { font-size: 12px; }
  .demo-live { padding: 4px 6px; font-size: 9px; }
  .demo-body { grid-template-columns: minmax(0, 1.15fr) minmax(112px, .85fr); min-height: 224px; }
  .demo-document, .demo-navigation { padding: 10px 7px 12px; }
  .demo-doc-row { min-height: 34px; gap: 4px; padding-left: 3px; padding-right: 3px; }
  .demo-doc-row.level-2 { padding-left: 10px; }
  .demo-doc-row.level-3 { padding-left: 17px; }
  .demo-doc-row em { min-width: 31px; font-size: 7px; }
  .demo-doc-row b { font-size: 10px; }
  .demo-nav-list { min-height: 184px; }
  .demo-nav-row { min-height: 31px; }
  .demo-nav-row b { font-size: 8px; }
  .demo-nav-row.level-2 { padding-left: 7px; }
  .demo-nav-row.level-3 { padding-left: 13px; }
  .doc-b { animation-name: demo-doc-b-mobile; }
  .doc-c, .doc-d { animation-name: demo-doc-block-mobile; }
  .doc-c.moving, .doc-d.moving { animation-name: demo-doc-block-mobile, demo-block-highlight; }
  .nav-b { animation-name: demo-nav-b-mobile; }
  .nav-c, .nav-d { animation-name: demo-nav-block-mobile; }
  .nav-c.moving, .nav-d.moving { animation-name: demo-nav-block-mobile, demo-block-highlight; }
  .demo-keys { display: grid; gap: 4px; }
  .demo-drag-cursor { right: 2px; }
  .chooser-wrap, .value, .ready, .faq { padding-left: 14px; padding-right: 14px; }
  .step, .result { padding: 20px 15px; }
  .choice-grid.two { grid-template-columns: 1fr; }
  .scheme { grid-template-columns: 112px 1fr; }
  .scheme-copy { padding: 12px; }
  .value-grid { grid-template-columns: 1fr; }
  .start { padding-left: 14px; padding-right: 14px; }
  .start-card { padding: 28px 22px; align-items: stretch; flex-direction: column; }
  .start-card .btn { width: 100%; }
  footer { flex-direction: column; width: min(100% - 28px, 1160px); }
}

@keyframes demo-doc-b-mobile {
  0%, 52% { transform: translateY(0); }
  68%, 96% { transform: translateY(74px); }
  100% { transform: translateY(0); }
}
@keyframes demo-doc-block-mobile {
  0%, 52% { transform: translateY(0); }
  68%, 96% { transform: translateY(-37px); }
  100% { transform: translateY(0); }
}
@keyframes demo-nav-b-mobile {
  0%, 52% { transform: translateY(0); }
  68%, 96% { transform: translateY(66px); }
  100% { transform: translateY(0); }
}
@keyframes demo-nav-block-mobile {
  0%, 52% { transform: translateY(0); }
  68%, 96% { transform: translateY(-33px); }
  100% { transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
  .thought-demo *, .thought-demo *::before, .thought-demo *::after { animation: none !important; }
  .demo-captions span { display: none; opacity: 0; }
  .demo-captions .caption-4 { display: block; opacity: 1; }
  .demo-live i { opacity: 1; transform: none; }
  .demo-navigation { opacity: 1; transform: none; }
  .demo-doc-row em { opacity: 1; transform: none; }
  .doc-b { transform: translateY(82px); }
  .doc-c, .doc-d { transform: translateY(-41px); background: rgba(230,238,233,.55); }
  .nav-b { transform: translateY(72px); }
  .nav-c, .nav-d { transform: translateY(-36px); background: rgba(230,238,233,.55); }
  .demo-drag-cursor { display: none; }
}

@media (max-width: 600px) and (prefers-reduced-motion: reduce) {
  .doc-b { transform: translateY(74px); }
  .doc-c, .doc-d { transform: translateY(-37px); }
  .nav-b { transform: translateY(66px); }
  .nav-c, .nav-d { transform: translateY(-33px); }
}