:root {
  --ink: #172033;
  --muted: #667085;
  --paper: #fffaf1;
  --paper-soft: #f6efe3;
  --line: #e4dacb;
  --green: #1f7157;
  --green-soft: #e8f3ee;
  --gold: #c8913d;
  --gold-soft: #f8ead4;
  --blue: #315d7d;
  --blue-soft: #eaf0f5;
  --red: #b95444;
  --red-soft: #fae9e5;
  --shadow: 0 26px 80px rgba(35, 38, 45, 0.2);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 18%, rgba(31, 113, 87, 0.14), transparent 28%),
    radial-gradient(circle at 82% 78%, rgba(200, 145, 61, 0.18), transparent 30%),
    linear-gradient(135deg, #eee7db 0%, #e6ded0 48%, #f4efe6 100%);
}

button {
  font: inherit;
}

.app-shell {
  min-height: 100vh;
}

.training-book {
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  padding: 18px 24px 20px;
}

.topbar {
  width: min(1180px, 100%);
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: rgba(23, 32, 51, 0.82);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mark {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  color: white;
  font-weight: 800;
  background: linear-gradient(135deg, var(--green), #2d8366);
  box-shadow: 0 10px 28px rgba(31, 113, 87, 0.24);
}

.brand strong {
  display: block;
  font-size: 16px;
}

.brand span {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-top: 2px;
}

.top-actions {
  display: flex;
  gap: 10px;
}

.ghost-button,
.controls button,
.toc button {
  border: 1px solid rgba(23, 32, 51, 0.14);
  background: rgba(255, 250, 241, 0.82);
  color: var(--ink);
  border-radius: 999px;
  padding: 9px 15px;
  cursor: pointer;
  box-shadow: 0 8px 22px rgba(40, 38, 35, 0.08);
}

.ghost-button:hover,
.controls button:hover:not(:disabled),
.toc button:hover {
  border-color: rgba(31, 113, 87, 0.36);
  color: var(--green);
}

.book-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 0;
  perspective: 1800px;
}

.book-spread {
  position: relative;
  width: min(1160px, 94vw);
  height: min(700px, calc(100vh - 158px));
  min-height: 600px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-radius: 18px;
  box-shadow: var(--shadow);
  transform-style: preserve-3d;
}

@keyframes bookIn {
  from {
    opacity: 0;
    transform: translateY(18px) rotateX(3deg);
  }
  to {
    opacity: 1;
    transform: translateY(0) rotateX(0);
  }
}

.book-spread::before {
  content: "";
  position: absolute;
  inset: 0 50% 0 calc(50% - 1px);
  width: 2px;
  background: linear-gradient(180deg, transparent, rgba(75, 62, 47, 0.22), transparent);
  z-index: 4;
}

.book-page {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.48), transparent 18%),
    linear-gradient(180deg, var(--paper), #fbf4e8);
  border: 1px solid rgba(97, 79, 55, 0.16);
  min-height: 100%;
}

.book-page.left {
  border-radius: 18px 0 0 18px;
  transform-origin: right center;
}

.book-page.right {
  border-radius: 0 18px 18px 0;
  transform-origin: left center;
}

.book-page.mobile {
  border-radius: 18px;
  min-height: auto;
  margin: 0 0 18px;
  box-shadow: 0 12px 36px rgba(35, 38, 45, 0.1);
}

.page-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 22px 28px 0;
  color: var(--muted);
  font-size: 13px;
}

.page-number {
  letter-spacing: 0.08em;
}

.page-content {
  flex: 1;
  min-height: 0;
  padding: 22px 40px 34px;
  display: flex;
  flex-direction: column;
}

.kicker {
  margin: 0 0 12px;
  color: var(--green);
  font-size: 14px;
  font-weight: 800;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

.book-page h2 {
  margin-bottom: 12px;
  font-size: 34px;
  line-height: 1.14;
  letter-spacing: 0;
}

.subtitle {
  color: #4e5a6a;
  font-size: 18px;
  line-height: 1.58;
  margin-bottom: 18px;
}

.body-text {
  color: #303848;
  font-size: 16px;
  line-height: 1.72;
}

.body-text p {
  margin-bottom: 10px;
}

.takeaway {
  margin: auto 0 0;
  padding: 14px 16px;
  color: #234b3d;
  background: var(--green-soft);
  border-left: 4px solid var(--green);
  border-radius: 10px;
  font-size: 15px;
  line-height: 1.55;
}

.visual {
  min-height: 132px;
  margin: 14px 0 18px;
  border: 1px solid rgba(31, 113, 87, 0.14);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.52);
  display: grid;
  place-items: center;
  color: var(--green);
  overflow: hidden;
}

.controls {
  width: min(1160px, 94vw);
  margin: 16px auto 0;
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 14px;
}

.controls button:disabled {
  opacity: 0.38;
  cursor: default;
}

.progress {
  height: 8px;
  background: rgba(23, 32, 51, 0.12);
  border-radius: 999px;
  overflow: hidden;
}

.progress span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--green), var(--gold));
  transition: width 240ms ease;
}

.toc {
  position: fixed;
  inset: 0;
  z-index: 20;
  background: rgba(23, 32, 51, 0.32);
  display: grid;
  place-items: center;
  padding: 24px;
}

.toc[hidden] {
  display: none;
}

.toc-panel {
  width: min(680px, 94vw);
  max-height: 82vh;
  overflow: auto;
  background: var(--paper);
  border-radius: 22px;
  padding: 24px;
  box-shadow: var(--shadow);
}

.toc-panel h3 {
  font-size: 24px;
  margin-bottom: 16px;
}

.toc-list {
  display: grid;
  gap: 8px;
}

.toc-list button {
  width: 100%;
  text-align: left;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.56);
}

.mobile-story {
  display: none;
}

.seal {
  width: 118px;
  height: 118px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: white;
  font-size: 22px;
  font-weight: 900;
  background: radial-gradient(circle at 30% 25%, #4ca384, var(--green));
  box-shadow: 0 18px 45px rgba(31, 113, 87, 0.28);
}

.cover-lines {
  position: absolute;
  right: 34px;
  bottom: 34px;
  display: grid;
  gap: 9px;
  width: 120px;
}

.cover-lines span {
  height: 8px;
  border-radius: 8px;
  background: rgba(200, 145, 61, 0.55);
}

.bridge,
.split-metric,
.role,
.truths {
  display: flex;
  align-items: center;
  gap: 16px;
  font-weight: 800;
  font-size: 22px;
}

.bridge b {
  width: 110px;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--gold), var(--green));
}

.split-metric b,
.split-metric strong,
.truths span,
.role span,
.role strong {
  padding: 16px 18px;
  border-radius: 14px;
  background: var(--blue-soft);
  color: var(--blue);
}

.split-metric strong,
.role strong {
  background: var(--green-soft);
  color: var(--green);
}

.nodes,
.risk-grid,
.dashboard-mini,
.afs-chain,
.checklist {
  display: grid;
  gap: 10px;
}

.nodes {
  grid-template-columns: repeat(5, 52px);
}

.nodes i,
.risk-grid span,
.afs-chain span,
.checklist span,
.flow span,
.steps span,
.weeks span {
  display: grid;
  place-items: center;
  min-height: 42px;
  padding: 8px;
  border-radius: 12px;
  background: var(--green-soft);
  color: var(--green);
  font-style: normal;
  font-weight: 800;
}

.risk-grid {
  grid-template-columns: repeat(3, 86px);
}

.chain,
.flow,
.steps,
.weeks {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.chain span {
  padding: 12px 14px;
  border-radius: 14px;
  background: var(--gold-soft);
  color: #8a5a19;
  font-weight: 800;
}

.case-card {
  display: grid;
  grid-template-columns: repeat(4, 72px);
  gap: 10px;
}

.case-card b {
  min-height: 72px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: linear-gradient(180deg, #fff, var(--red-soft));
  color: var(--red);
}

.truths {
  display: grid;
  grid-template-columns: repeat(4, 74px);
}

.visual svg {
  width: 78%;
  height: 140px;
}

.matrix {
  width: 260px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid rgba(49, 93, 125, 0.24);
  border-radius: 16px;
  overflow: hidden;
}

.matrix span {
  min-height: 64px;
  display: grid;
  place-items: center;
  background: var(--blue-soft);
  border: 1px solid rgba(49, 93, 125, 0.12);
  color: var(--blue);
  font-weight: 800;
}

.bars,
.waterfall {
  height: 142px;
  width: 260px;
  display: flex;
  align-items: end;
  justify-content: center;
  gap: 16px;
}

.bars i,
.waterfall i {
  width: 32px;
  border-radius: 10px 10px 0 0;
  background: linear-gradient(180deg, var(--gold), var(--green));
}

.waterfall i:nth-child(1) { height: 82%; }
.waterfall i:nth-child(2) { height: 64%; }
.waterfall i:nth-child(3) { height: 48%; }
.waterfall i:nth-child(4) { height: 58%; }
.waterfall i:nth-child(5) { height: 36%; background: linear-gradient(180deg, #d57660, var(--red)); }

.dashboard-mini {
  grid-template-columns: repeat(3, 76px);
}

.dashboard-mini b {
  height: 54px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--green-soft), #fff);
  border: 1px solid rgba(31, 113, 87, 0.18);
}

.lights {
  display: flex;
  gap: 18px;
}

.lights span {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  box-shadow: inset 0 0 0 8px rgba(255, 255, 255, 0.5);
}

.lights span:nth-child(1) { background: #2f9d72; }
.lights span:nth-child(2) { background: #d8a23a; }
.lights span:nth-child(3) { background: #c25649; }

.loop,
.trace {
  max-width: 88%;
  padding: 22px;
  border-radius: 16px;
  color: #244235;
  background: var(--green-soft);
  font-weight: 800;
  line-height: 1.7;
}

.afs-chain {
  grid-template-columns: repeat(3, 88px);
}

.checklist {
  grid-template-columns: repeat(2, 118px);
}

.section-open { --accent: var(--green); --accent-soft: var(--green-soft); }
.section-tax { --accent: #9a5b22; --accent-soft: #fff1df; }
.section-ops { --accent: var(--blue); --accent-soft: var(--blue-soft); }
.section-cfo { --accent: #2b7a68; --accent-soft: #e7f5f0; }
.section-afs { --accent: #6b5fb8; --accent-soft: #eeeafd; }
.section-next { --accent: var(--gold); --accent-soft: var(--gold-soft); }

.section-tax .kicker,
.section-tax .page-meta,
.section-tax .takeaway { color: #7c4a1e; }
.section-tax .takeaway { background: #fff3e4; border-left-color: #c77b2c; }
.section-ops .kicker,
.section-ops .page-meta,
.section-ops .takeaway { color: var(--blue); }
.section-ops .takeaway { background: var(--blue-soft); border-left-color: var(--blue); }
.section-afs .kicker,
.section-afs .page-meta,
.section-afs .takeaway { color: #5a51a3; }
.section-afs .takeaway { background: #eeeafd; border-left-color: #6b5fb8; }

.layout-poster {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.42), transparent 44%),
    radial-gradient(circle at 82% 18%, color-mix(in srgb, var(--accent) 18%, transparent), transparent 32%),
    linear-gradient(180deg, var(--paper), #fbf4e8);
}

.layout-poster h2 {
  font-size: 38px;
}

.layout-poster .visual {
  min-height: 176px;
}

.layout-case .visual,
.layout-dashboard .visual,
.layout-map .visual {
  min-height: 188px;
}

.layout-dashboard .page-content {
  display: grid;
  grid-template-rows: auto auto auto 1fr auto;
}

.layout-dashboard .visual {
  background: linear-gradient(135deg, #ffffff, var(--accent-soft));
}

.layout-case .visual {
  background: linear-gradient(135deg, #ffffff 0%, var(--accent-soft) 100%);
}

.layout-map .visual {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.86), rgba(255, 255, 255, 0.42)),
    repeating-linear-gradient(45deg, transparent 0 13px, rgba(31, 113, 87, 0.035) 13px 14px);
}

.turn-sheet {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 50%;
  z-index: 8;
  transform-style: preserve-3d;
  pointer-events: none;
}

.turn-next {
  right: 0;
  transform-origin: left center;
  animation: turnRightToLeft 760ms cubic-bezier(.2, .74, .18, 1) forwards;
}

.turn-prev {
  left: 0;
  transform-origin: right center;
  animation: turnLeftToRight 760ms cubic-bezier(.2, .74, .18, 1) forwards;
}

.turn-face {
  position: absolute;
  inset: 0;
  overflow: hidden;
  backface-visibility: hidden;
  transform-style: preserve-3d;
  filter: drop-shadow(0 24px 28px rgba(29, 28, 24, 0.16));
}

.turn-back {
  transform: rotateY(180deg);
}

.turn-sheet .book-page {
  height: 100%;
  border-radius: 0 18px 18px 0;
}

.turn-prev .book-page {
  border-radius: 18px 0 0 18px;
}

@keyframes turnRightToLeft {
  0% { transform: rotateY(0deg); }
  42% { box-shadow: -20px 20px 48px rgba(35, 38, 45, 0.18); }
  100% { transform: rotateY(-180deg); }
}

@keyframes turnLeftToRight {
  0% { transform: rotateY(0deg); }
  42% { box-shadow: 20px 20px 48px rgba(35, 38, 45, 0.18); }
  100% { transform: rotateY(180deg); }
}

.cover-hero {
  position: relative;
  width: 100%;
  min-height: 180px;
  display: grid;
  place-items: center;
}

.cover-stack {
  position: absolute;
  right: 28px;
  bottom: 20px;
  display: grid;
  gap: 8px;
}

.cover-stack span {
  padding: 8px 12px;
  border-radius: 999px;
  color: #7a5524;
  background: rgba(248, 234, 212, 0.9);
  font-weight: 800;
}

.cash-gap-visual,
.past-future-visual {
  width: min(92%, 420px);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 16px;
  align-items: center;
}

.statement-card,
.past-future-visual div {
  min-height: 120px;
  padding: 18px;
  border-radius: 18px;
  background: #fff;
  border: 1px solid rgba(23, 32, 51, 0.1);
  box-shadow: 0 14px 30px rgba(35, 38, 45, 0.08);
}

.statement-card small,
.statement-card span,
.past-future-visual small,
.past-future-visual span {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.statement-card strong,
.past-future-visual b {
  display: block;
  margin: 8px 0;
  font-size: 28px;
  color: var(--green);
}

.statement-card.cash strong {
  color: var(--gold);
}

.cash-bridge {
  display: grid;
  place-items: center;
  gap: 8px;
  color: #7a5524;
  font-size: 12px;
  font-weight: 800;
}

.cash-bridge i {
  width: 72px;
  height: 7px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--green), var(--gold));
}

.past-future-visual em {
  font-style: normal;
  color: var(--gold);
  font-size: 28px;
  font-weight: 900;
}

.data-web-visual {
  position: relative;
  width: 320px;
  height: 220px;
}

.data-web-visual::before,
.data-web-visual::after {
  content: "";
  position: absolute;
  inset: 32px;
  border: 1px solid rgba(154, 91, 34, 0.2);
  border-radius: 50%;
}

.data-web-visual .center {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
  padding: 18px 20px;
  border-radius: 50%;
  color: white;
  background: #9a5b22;
  font-weight: 900;
}

.data-web-visual i {
  position: absolute;
  left: calc(50% + var(--x) * 110px);
  top: calc(50% + var(--y) * 76px);
  transform: translate(-50%, -50%);
  padding: 12px 14px;
  border-radius: 14px;
  background: #fff;
  color: #7c4a1e;
  font-style: normal;
  font-weight: 800;
  box-shadow: 0 12px 26px rgba(90, 54, 24, 0.12);
}

.risk-board,
.dashboard-visual,
.afs-system,
.health-check {
  width: min(92%, 430px);
  display: grid;
  gap: 10px;
}

.risk-board {
  grid-template-columns: repeat(2, 1fr);
}

.risk-board span,
.afs-system span,
.health-check span {
  min-height: 44px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: #fff;
  color: var(--accent);
  font-weight: 800;
  box-shadow: 0 10px 20px rgba(35, 38, 45, 0.06);
}

.trace-ladder,
.capital-pipeline,
.explain-stack,
.meeting-loop {
  width: min(92%, 460px);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
}

.trace-ladder span,
.capital-pipeline span,
.explain-stack span,
.meeting-loop span {
  padding: 14px 16px;
  border-radius: 14px;
  background: #fff;
  color: var(--accent);
  font-weight: 800;
  box-shadow: 0 10px 22px rgba(35, 38, 45, 0.07);
}

.case-timeline {
  width: min(95%, 460px);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.case-timeline div {
  min-height: 128px;
  padding: 14px;
  border-radius: 16px;
  background: #fff;
  border: 1px solid rgba(185, 84, 68, 0.14);
}

.case-timeline b,
.case-timeline span {
  display: block;
}

.case-timeline b {
  color: var(--red);
  margin-bottom: 10px;
  font-size: 18px;
}

.case-timeline span {
  color: #6a4850;
  font-size: 13px;
  line-height: 1.5;
}

.truth-diamond {
  position: relative;
  width: 260px;
  height: 220px;
}

.truth-diamond span,
.truth-diamond b {
  position: absolute;
  display: grid;
  place-items: center;
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 12px 28px rgba(35, 38, 45, 0.08);
  font-weight: 900;
  color: var(--blue);
}

.truth-diamond span { width: 72px; height: 58px; }
.truth-diamond span:nth-child(1) { left: 94px; top: 0; }
.truth-diamond span:nth-child(2) { right: 0; top: 80px; }
.truth-diamond span:nth-child(3) { left: 94px; bottom: 0; }
.truth-diamond span:nth-child(4) { left: 0; top: 80px; }
.truth-diamond b {
  left: 74px;
  top: 78px;
  width: 112px;
  height: 64px;
  color: var(--green);
  font-size: 14px;
}

.chart-card {
  width: min(92%, 430px);
  padding: 14px;
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 16px 34px rgba(35, 38, 45, 0.08);
}

.chart-card svg {
  width: 100%;
  height: 150px;
}

.chart-card .gridline {
  stroke: rgba(49, 93, 125, 0.13);
  stroke-width: 1;
}

.chart-card .area {
  fill: rgba(31, 113, 87, 0.13);
}

.chart-card .curve {
  fill: none;
  stroke: var(--green);
  stroke-width: 7;
  stroke-linecap: round;
}

.chart-caption,
.capital-pipeline b,
.afs-system b,
.health-check b {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 13px;
}

.matrix-rich {
  position: relative;
  width: 300px;
  height: 210px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.matrix-rich span {
  display: grid;
  place-items: center;
  text-align: center;
  border-radius: 16px;
  background: #fff;
  color: var(--blue);
  font-weight: 900;
  line-height: 1.5;
}

.matrix-rich .good { background: #e6f4ee; color: var(--green); }
.matrix-rich .bad { background: #fae9e5; color: var(--red); }
.matrix-rich .axis {
  position: absolute;
  color: var(--muted);
  font-size: 12px;
}
.matrix-rich .x { bottom: -20px; left: 120px; }
.matrix-rich .y { transform: rotate(-90deg); left: -44px; top: 92px; }

.roi-chart,
.waterfall-rich {
  width: 300px;
  height: 188px;
  display: flex;
  align-items: end;
  justify-content: center;
  gap: 18px;
  position: relative;
  padding-bottom: 24px;
}

.roi-chart i,
.waterfall-rich i {
  width: 34px;
  border-radius: 12px 12px 4px 4px;
  background: linear-gradient(180deg, var(--gold), var(--green));
}

.waterfall-rich i:nth-child(1) { height: 112px; }
.waterfall-rich i:nth-child(2) { height: 84px; }
.waterfall-rich i:nth-child(3) { height: 62px; }
.waterfall-rich i:nth-child(4) { height: 76px; }
.waterfall-rich i:nth-child(5) { height: 48px; background: linear-gradient(180deg, #d57660, var(--red)); }

.roi-chart small,
.waterfall-rich span {
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  color: var(--muted);
  white-space: nowrap;
}

.week-map {
  width: min(92%, 430px);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.week-map span {
  min-height: 52px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: #fff;
  color: var(--green);
  font-weight: 900;
}

.week-map .warn {
  background: var(--gold-soft);
  color: #8a5a19;
}

.week-map b {
  grid-column: 1 / -1;
  color: var(--muted);
  text-align: center;
}

.warning-panel {
  display: grid;
  grid-template-columns: repeat(3, 72px);
  justify-content: center;
  gap: 16px;
  text-align: center;
}

.warning-panel span {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  box-shadow: inset 0 0 0 9px rgba(255, 255, 255, 0.54), 0 14px 30px rgba(35, 38, 45, 0.1);
}

.warning-panel .green { background: #35a97b; }
.warning-panel .gold { background: #d5a24b; }
.warning-panel .red { background: #c65a50; }
.warning-panel b,
.warning-panel small {
  grid-column: 1 / -1;
}

.dashboard-visual {
  grid-template-columns: repeat(3, 1fr);
}

.dashboard-visual .kpi,
.dashboard-visual .mini-line,
.dashboard-visual .mini-bars {
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 12px 28px rgba(35, 38, 45, 0.08);
}

.dashboard-visual .kpi {
  padding: 14px;
}

.dashboard-visual small {
  display: block;
  color: var(--muted);
  margin-bottom: 8px;
}

.dashboard-visual b {
  font-size: 25px;
  color: var(--green);
}

.mini-line,
.mini-bars {
  grid-column: span 3;
  height: 70px;
}

.mini-line {
  position: relative;
}

.mini-line::after {
  content: "";
  position: absolute;
  left: 24px;
  right: 24px;
  top: 34px;
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--blue), var(--green), var(--gold));
}

.mini-bars {
  display: flex;
  align-items: end;
  justify-content: center;
  gap: 14px;
  padding: 14px;
}

.mini-bars i {
  width: 28px;
  border-radius: 8px 8px 0 0;
  background: linear-gradient(180deg, var(--gold), var(--green));
}
.mini-bars i:nth-child(1) { height: 38px; }
.mini-bars i:nth-child(2) { height: 24px; }
.mini-bars i:nth-child(3) { height: 46px; }
.mini-bars i:nth-child(4) { height: 32px; }

.afs-system {
  grid-template-columns: repeat(3, 1fr);
}

.afs-system b,
.health-check b {
  grid-column: 1 / -1;
  justify-content: center;
  font-size: 15px;
  color: #5a51a3;
}

.invoice-demo {
  width: min(92%, 460px);
  display: grid;
  grid-template-columns: 82px 1fr;
  gap: 10px;
  align-items: center;
}

.invoice-demo strong {
  grid-row: span 5;
  min-height: 190px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  color: white;
  background: #6b5fb8;
}

.invoice-demo i {
  display: none;
}

.invoice-demo span {
  padding: 12px 14px;
  border-radius: 14px;
  background: #fff;
  color: #5a51a3;
  font-weight: 800;
}

.health-check {
  grid-template-columns: repeat(2, 1fr);
}

@media (min-width: 821px) {
  .book-wrap {
    display: flex;
  }

  .mobile-story {
    display: none;
  }
}

@media (max-width: 1120px) {
  .book-page h2 {
    font-size: 29px;
  }

  .page-content {
    padding: 18px 28px 28px;
  }

  .subtitle {
    font-size: 17px;
  }

  .visual {
    min-height: 118px;
  }
}

@media (max-width: 820px) {
  body {
    background: #eee7db;
  }

  .training-book {
    display: block;
    padding: 14px;
  }

  .topbar {
    position: sticky;
    top: 0;
    z-index: 12;
    margin-bottom: 14px;
    padding: 10px 0;
    background: rgba(238, 231, 219, 0.92);
    backdrop-filter: blur(12px);
  }

  .brand span {
    display: none;
  }

  .book-wrap,
  .controls {
    display: none;
  }

  .mobile-story {
    display: block;
  }

  .book-page.mobile {
    display: block;
  }

  .page-meta {
    padding: 18px 18px 0;
    font-size: 12px;
  }

  .page-content {
    padding: 18px 20px 22px;
  }

  .book-page h2 {
    font-size: 28px;
    line-height: 1.16;
  }

  .subtitle {
    font-size: 16px;
  }

  .body-text {
    font-size: 15px;
  }

  .visual {
    min-height: 132px;
  }

  .takeaway {
    font-size: 14px;
  }

  .toc-panel {
    padding: 18px;
  }
}