:root {
  --ink: #16243b;
  --text: #16243b;
  --muted: #68778b;
  --line: #d8e2ec;
  --line-strong: #c4d2df;
  --primary: #2366d1;
  --secondary: #0b8a83;
  --blue-600: #1677ff;
  --blue-100: #dcecff;
  --blue-050: #edf6ff;
  --title-size: 37.3333px;
  --section-size: 26.6667px;
  --body-size: 18.6667px;
  --note-size: 16px;
  --pad-top: 54px;
  --pad-bottom: 34px;
  --pad-x: 72px;
  --gap-title: 18px;
  --gap-item: 18px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #020b18;
}

body,
button,
input,
textarea {
  color: var(--text);
  font-family: "Microsoft YaHei", "微软雅黑", sans-serif;
}

deck-stage:not(:defined) {
  visibility: hidden;
}

.slide {
  overflow: hidden;
  color: var(--text);
  background: #f7f9fc;
}

/* Cover */
.cover-slide {
  background: #eef4ff;
}

.cover-page {
  position: absolute;
  inset: 0;
  overflow: hidden;
  background:
    linear-gradient(
      90deg,
      rgba(246, 249, 255, 0.96) 0%,
      rgba(246, 249, 255, 0.9) 24%,
      rgba(246, 249, 255, 0.52) 42%,
      rgba(246, 249, 255, 0.08) 57%,
      rgba(246, 249, 255, 0) 68%
    ),
    url("./assets/cover-agent-office-terminal-v2.png") center / cover no-repeat;
}

.cover-title-wrap {
  position: absolute;
  z-index: 3;
  top: 326px;
  left: 96px;
  width: 820px;
}

.cover-title-wrap::before {
  content: "";
  position: absolute;
  top: -62px;
  left: -18px;
  width: 54px;
  height: 38px;
  border-top: 3px solid rgba(35, 102, 209, 0.78);
  border-left: 3px solid rgba(35, 102, 209, 0.78);
}

.cover-title-wrap::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -44px;
  width: 660px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary) 58%, transparent);
}

.cover-title {
  color: var(--ink);
  font-size: 68px;
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: -0.045em;
}

.cover-title span {
  display: block;
}

.cover-title-keyword {
  margin-top: 18px;
  color: var(--primary);
}

.cover-tech-layer {
  position: absolute;
  z-index: 2;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.cover-tech-layer::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.23;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent 5px,
    rgba(35, 102, 209, 0.12) 6px,
    transparent 7px
  );
  mix-blend-mode: multiply;
}

.cover-corner {
  position: absolute;
  width: 92px;
  height: 60px;
  opacity: 0.62;
}

.cover-corner::before,
.cover-corner::after {
  content: "";
  position: absolute;
  background: linear-gradient(90deg, var(--primary), #56c7e8);
}

.cover-corner::before {
  width: 100%;
  height: 3px;
}

.cover-corner::after {
  width: 3px;
  height: 100%;
}

.cover-corner-tl {
  top: 34px;
  left: 34px;
}

.cover-corner-tr {
  top: 34px;
  right: 34px;
  transform: scaleX(-1);
}

.cover-corner-bl {
  bottom: 34px;
  left: 34px;
  transform: scaleY(-1);
}

.cover-corner-br {
  right: 34px;
  bottom: 34px;
  transform: scale(-1);
}

.cover-pixel-cloud {
  position: absolute;
  width: 8px;
  height: 8px;
  background: rgba(35, 102, 209, 0.72);
  box-shadow:
    16px 8px 0 rgba(35, 102, 209, 0.4),
    40px 0 0 rgba(11, 138, 131, 0.48),
    64px 16px 0 rgba(35, 102, 209, 0.28),
    24px 32px 0 rgba(35, 102, 209, 0.34),
    80px 40px 0 rgba(11, 138, 131, 0.35),
    48px 56px 0 rgba(35, 102, 209, 0.2),
    96px 64px 0 rgba(35, 102, 209, 0.34),
    112px 24px 0 rgba(11, 138, 131, 0.24);
}

.cover-pixel-cloud-a {
  top: 116px;
  left: 68px;
}

.cover-pixel-cloud-b {
  right: 154px;
  bottom: 108px;
  transform: rotate(180deg) scale(0.8);
}

.cover-glitch-bars {
  position: absolute;
  width: 72px;
  height: 5px;
  background: rgba(35, 102, 209, 0.62);
  box-shadow:
    20px 12px 0 rgba(11, 138, 131, 0.48),
    -12px 24px 0 rgba(35, 102, 209, 0.3),
    36px 36px 0 rgba(35, 102, 209, 0.18);
}

.cover-glitch-bars-a {
  top: 250px;
  left: 0;
}

.cover-glitch-bars-b {
  right: -10px;
  bottom: 242px;
  transform: rotate(180deg);
}

.cover-scan-band {
  position: absolute;
  right: 0;
  bottom: 44px;
  left: 0;
  height: 54px;
  opacity: 0.22;
  background: repeating-linear-gradient(
    to bottom,
    rgba(35, 102, 209, 0.22) 0,
    rgba(35, 102, 209, 0.22) 2px,
    transparent 2px,
    transparent 7px
  );
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}

.page {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-rows: 76px minmax(0, 1fr) 80px 28px;
  gap: 18px;
  padding: var(--pad-top) var(--pad-x) var(--pad-bottom);
  background:
    radial-gradient(circle at 92% 4%, rgba(72, 165, 230, 0.18), transparent 27%),
    linear-gradient(rgba(35, 102, 209, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(35, 102, 209, 0.025) 1px, transparent 1px),
    linear-gradient(135deg, #ffffff 0%, #f8fafc 54%, #eef4f9 100%);
  background-size: auto, 40px 40px, 40px 40px, auto;
}

.page::before {
  content: "";
  position: absolute;
  left: 72px;
  right: 72px;
  top: 128px;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary) 42%, rgba(34, 199, 242, 0));
}

.page-title {
  align-self: start;
  color: var(--ink);
  font-size: var(--title-size);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

.title-keyword {
  color: var(--primary);
}

.surface {
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 14px 34px rgba(22, 36, 59, 0.075);
}

.takeaway {
  position: relative;
  display: flex;
  align-items: center;
  padding: 0 30px 0 38px;
  overflow: hidden;
  color: #ffffff;
  background: linear-gradient(90deg, #16243b, #1c3557);
}

.takeaway::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 10px;
  background: linear-gradient(180deg, var(--secondary), var(--blue-600));
}

.takeaway-copy {
  font-size: 30.6667px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.01em;
}

.source-footer {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  overflow: hidden;
  color: var(--muted);
  font-size: var(--note-size);
  line-height: 1.2;
}

.source-note {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.source-mark {
  flex: 0 0 auto;
  color: var(--primary);
  font-weight: 700;
  letter-spacing: 0.08em;
}

/* Page 01 */
.context-layout {
  display: grid;
  grid-template-columns: 1020px minmax(0, 1fr);
  gap: 24px;
  min-height: 0;
}

.context-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.context-card {
  --tone: var(--primary);
  position: relative;
  display: grid;
  grid-template-rows: 72px auto minmax(0, 1fr) 76px;
  padding: 30px 28px 26px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-top: 4px solid var(--tone);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 14px 34px rgba(22, 36, 59, 0.075);
}

.context-card[data-tone="teal"] {
  --tone: var(--secondary);
}

.context-card[data-tone="soft"] {
  --tone: #5b87c9;
}

.context-index {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border: 1px solid color-mix(in srgb, var(--tone), white 58%);
  border-radius: 13px;
  color: var(--tone);
  background: color-mix(in srgb, var(--tone), white 91%);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.context-card h2 {
  margin-top: 14px;
  color: var(--ink);
  font-size: 28px;
  font-weight: 700;
  line-height: 1.25;
}

.context-card p {
  margin-top: 18px;
  color: var(--muted);
  font-size: 18.6667px;
  line-height: 1.7;
}

.context-foot {
  align-self: end;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--tone);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.45;
}

.question-panel {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 48px 52px 42px;
  overflow: hidden;
  border-radius: 22px;
  color: #ffffff;
  background:
    radial-gradient(circle at 100% 0%, rgba(80, 150, 255, 0.38), transparent 42%),
    linear-gradient(145deg, #142748 0%, #1c3764 100%);
  box-shadow: 0 16px 32px rgba(23, 43, 77, 0.18);
}

.question-panel::after {
  content: "";
  position: absolute;
  right: -80px;
  bottom: -90px;
  width: 300px;
  height: 300px;
  border: 1px solid rgba(131, 224, 213, 0.22);
  border-radius: 50%;
}

.question-label {
  color: #9fc6ff;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.question {
  margin-top: 26px;
  font-size: 32px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: -0.018em;
}

.question em {
  color: #83e0d5;
  font-style: normal;
}

.subquestions {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 18px;
}

.subq {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  color: #d9e5f5;
  font-size: 18.6667px;
  line-height: 1.45;
}

.subq span {
  color: #83e0d5;
  font-weight: 700;
}

/* Page 02 */
.method-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  min-height: 0;
}

.method-card {
  --tone: var(--primary);
  display: grid;
  grid-template-rows: 104px 124px minmax(0, 1fr) 74px;
  padding: 0 34px 28px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 14px 34px rgba(22, 36, 59, 0.075);
}

.method-card[data-method="quant"] {
  --tone: var(--secondary);
}

.method-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.method-kicker {
  color: var(--tone);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.method-name {
  margin-top: 8px;
  color: var(--ink);
  font-size: 30px;
  font-weight: 700;
  line-height: 1.15;
}

.method-state {
  display: flex;
  align-items: center;
  gap: 14px;
}

.method-status {
  padding: 7px 12px;
  border: 1px solid color-mix(in srgb, var(--tone), white 50%);
  border-radius: 999px;
  color: var(--tone);
  background: color-mix(in srgb, var(--tone), white 91%);
  font-size: 14px;
  font-weight: 700;
}

.sample-size {
  display: flex;
  align-items: baseline;
  gap: 6px;
  color: var(--muted);
}

.sample-size strong {
  color: var(--ink);
  font-size: 46px;
  line-height: 1;
}

.sample-size span {
  font-size: 16px;
  font-weight: 700;
}

.method-object {
  align-self: center;
  padding: 22px 24px;
  border-radius: 16px;
  color: var(--ink);
  background: color-mix(in srgb, var(--tone), white 91%);
  font-size: 18.6667px;
  line-height: 1.55;
}

.method-object strong {
  margin-right: 12px;
  color: var(--tone);
}

.method-body {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  align-content: start;
  column-gap: 22px;
}

.method-row {
  display: contents;
}

.method-row h3,
.method-row p {
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.method-row h3 {
  color: var(--tone);
  font-size: 18.6667px;
  font-weight: 700;
}

.method-row p {
  color: var(--muted);
  font-size: 18.6667px;
  line-height: 1.5;
}

.method-answer {
  align-self: end;
  color: var(--ink);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.5;
}

.method-answer span {
  margin-left: 16px;
  color: var(--muted);
  font-size: 16px;
  font-weight: 500;
}

/* Page 03 */
.persona-spectrum {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  min-height: 0;
}

.persona {
  --tone: var(--primary);
  --tone-soft: #f2f6fc;
  position: relative;
  display: grid;
  grid-template-rows: 84px 234px minmax(0, 1fr) 148px;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-top: 4px solid var(--tone);
  border-radius: 22px;
  background: #ffffff;
  box-shadow: 0 14px 34px rgba(22, 36, 59, 0.075);
}

.persona[data-kind="data"] {
  --tone: var(--secondary);
  --tone-soft: #eff8f7;
}

.persona-head {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 76px;
  border-bottom: 1px solid var(--line);
  background: #ffffff;
}

.persona-index {
  position: absolute;
  left: 22px;
  top: 50%;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid color-mix(in srgb, var(--tone), white 56%);
  border-radius: 11px;
  color: var(--tone);
  background: color-mix(in srgb, var(--tone), white 91%);
  font-size: var(--note-size);
  font-weight: 700;
  letter-spacing: 0.05em;
  transform: translateY(-50%);
}

.persona-title {
  color: var(--text);
  font-size: var(--section-size);
  font-weight: 700;
  line-height: 1;
}

.persona-count {
  position: absolute;
  right: 22px;
  top: 50%;
  display: flex;
  align-items: baseline;
  gap: 5px;
  color: var(--tone);
  font-weight: 700;
  transform: translateY(-50%);
}

.persona-count strong {
  font-size: 34px;
  line-height: 1;
}

.persona-count span {
  color: var(--muted);
  font-size: var(--note-size);
}

.persona-hero {
  position: relative;
  display: grid;
  grid-template-columns: 109px 1fr;
  gap: 21px;
  align-items: center;
  padding: 16px 22px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: var(--tone-soft);
}

.persona-hero::after {
  content: "";
  position: absolute;
  right: 0;
  top: -48px;
  width: 120px;
  height: 120px;
  border: 1px solid color-mix(in srgb, var(--tone), transparent 82%);
  border-radius: 50%;
}

.portrait {
  position: relative;
  z-index: 1;
  width: 109px;
  height: 200px;
  overflow: hidden;
  border-bottom: 2px solid var(--tone);
  background-color: rgba(255, 255, 255, 0.76);
  background-image: url("./assets/persona-archetypes-v1.png");
  background-repeat: no-repeat;
  background-size: auto 110%;
}

.portrait[data-sprite="1"] { background-position: 0% center; }
.portrait[data-sprite="2"] { background-position: 33.333% center; }
.portrait[data-sprite="3"] { background-position: 66.666% center; }
.portrait[data-sprite="4"] { background-position: 100% center; }

.persona-positioning {
  position: relative;
  z-index: 1;
  min-width: 0;
}

.position-label {
  margin-bottom: 12px;
  color: var(--tone);
  font-size: 21.3333px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.position-copy {
  color: var(--ink);
  line-height: 1.42;
  text-wrap: balance;
}

.position-copy strong {
  display: block;
  font-size: 28.44px;
  font-weight: 700;
}

.position-detail {
  display: block;
  margin-top: 3px;
  color: color-mix(in srgb, var(--text), var(--tone) 24%);
  font-size: 24.8933px;
  font-weight: 700;
}

.members {
  min-height: 0;
  padding: 16px 22px 12px;
  background: #ffffff;
}

.micro-heading {
  margin-bottom: 10px;
  color: var(--muted);
  font-size: var(--note-size);
  font-weight: 700;
  letter-spacing: 0.08em;
}

.member-list {
  display: grid;
  align-content: start;
  list-style: none;
  border-top: 1px solid var(--line);
}

.member {
  display: grid;
  grid-template-columns: 104px minmax(0, 1fr);
  align-items: center;
  min-height: 32px;
  border-bottom: 1px solid #dbe7f2;
  font-size: var(--body-size);
  line-height: 1.2;
}

.member-name,
.member-role {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  height: 24px;
  line-height: 24px;
}

.member-name {
  color: var(--ink);
  font-weight: 700;
}

.member-role {
  padding-left: 12px;
  border-left: 1px solid var(--line);
  color: var(--text);
  font-size: 17.3333px;
}

.workflow {
  display: grid;
  align-content: center;
  gap: 8px;
  padding: 14px 22px;
  border-top: 1px solid var(--line-strong);
  background: var(--tone-soft);
}

.workflow-row {
  display: grid;
  grid-template-columns: 52px 1fr;
  align-items: center;
  gap: 10px;
  min-height: 34px;
}

.workflow-label {
  color: var(--secondary);
  font-size: var(--note-size);
  font-weight: 700;
}

.workflow-copy {
  color: var(--text);
  font-size: var(--body-size);
  line-height: 1.35;
}

.profile-page .takeaway-copy {
  font-size: var(--title-size);
}

/* Page 04 */
.depth-layout {
  display: grid;
  grid-template-columns: 790px minmax(0, 1fr);
  gap: 24px;
  min-height: 0;
}

.depth-panel,
.depth-reading {
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 14px 34px rgba(22, 36, 59, 0.075);
}

.depth-panel {
  display: grid;
  grid-template-rows: 76px minmax(0, 1fr) 56px;
  padding: 0 28px 22px;
}

.depth-panel-head,
.depth-reading-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.depth-panel-title,
.depth-reading-title {
  color: var(--ink);
  font-size: var(--section-size);
  font-weight: 700;
}

.depth-axis {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-size: var(--note-size);
  font-weight: 700;
  letter-spacing: 0.04em;
}

.depth-axis::after {
  content: "↑";
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  color: #ffffff;
  background: var(--primary);
  font-size: 18px;
}

.pyramid-shell {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 10px;
  min-height: 0;
}

.depth-arrow {
  position: relative;
  min-height: 0;
}

.depth-arrow::before {
  content: "";
  position: absolute;
  left: 36px;
  top: 92px;
  bottom: 42px;
  width: 5px;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--primary), var(--secondary));
}

.depth-arrow::after {
  content: "";
  position: absolute;
  left: 27px;
  top: 72px;
  width: 0;
  height: 0;
  border-left: 11px solid transparent;
  border-right: 11px solid transparent;
  border-bottom: 20px solid var(--primary);
}

.depth-arrow-label {
  position: absolute;
  left: 0;
  top: 28px;
  width: 76px;
  color: var(--primary);
  font-size: 14.6667px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.04em;
  text-align: center;
}

.depth-arrow-label small {
  display: block;
  margin-top: 6px;
  color: var(--secondary);
  font-size: 12px;
  font-weight: 700;
}

.pyramid {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 18px 0 10px;
}

.pyramid-level {
  position: relative;
  display: grid;
  place-items: center;
  height: 118px;
  min-height: 118px;
  padding: 10px 28px;
  overflow: hidden;
  color: var(--ink);
}

.pyramid-level::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.08), transparent 45%, rgba(255, 255, 255, 0.12));
}

.pyramid-level[data-level="geek"] {
  width: 25%;
  background: linear-gradient(110deg, #f0f7ff, #dfeeff);
  clip-path: polygon(50% 0, 100% 100%, 0 100%);
}

.pyramid-level[data-level="deep"] {
  width: 50%;
  background: linear-gradient(110deg, #d5e8fb, #b9d7f6);
  clip-path: polygon(25% 0, 75% 0, 100% 100%, 0 100%);
}

.pyramid-level[data-level="moderate"] {
  width: 75%;
  color: #ffffff;
  background: linear-gradient(110deg, #5d98e4, #3f7fd5);
  clip-path: polygon(16.667% 0, 83.333% 0, 100% 100%, 0 100%);
}

.pyramid-level[data-level="light"] {
  width: 100%;
  color: #ffffff;
  background: linear-gradient(110deg, #174a96, #2366d1);
  clip-path: polygon(12.5% 0, 87.5% 0, 100% 100%, 0 100%);
}

.pyramid-copy {
  z-index: 1;
  display: grid;
  gap: 7px;
  place-items: center;
  width: 100%;
  text-align: center;
}

.pyramid-name {
  font-size: 25.3333px;
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
}

.pyramid-trait {
  font-size: 14px;
  font-weight: 700;
  line-height: 1.2;
  white-space: nowrap;
  opacity: 0.86;
}

.pyramid-level[data-level="geek"] .pyramid-copy {
  align-self: end;
  padding-bottom: 8px;
}

.pyramid-level[data-level="geek"] .pyramid-name {
  font-size: 22.6667px;
}

.pyramid-level[data-level="geek"] .pyramid-trait {
  font-size: 12.6667px;
}

.dimension-key {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  align-items: center;
  color: var(--muted);
  font-size: 14.6667px;
  font-weight: 700;
  text-align: center;
}

.dimension-key span {
  padding-top: 11px;
  border-top: 2px solid var(--line);
}

.dimension-key strong {
  color: var(--secondary);
}

.depth-reading {
  display: grid;
  grid-template-rows: 76px repeat(4, minmax(0, 1fr));
  padding: 0 28px;
}

.reading-note {
  color: var(--muted);
  font-size: 14.6667px;
  font-weight: 700;
}

.depth-row {
  display: grid;
  grid-template-columns: 122px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  border-bottom: 1px solid var(--line);
}

.depth-row:last-child {
  border-bottom: 0;
}

.depth-row-label {
  display: grid;
  gap: 8px;
  align-content: center;
  min-height: 78px;
  padding: 14px 15px;
  border-left: 5px solid var(--primary);
  border-radius: 0 13px 13px 0;
  background: #f2f6fc;
}

.depth-row[data-level="geek"] .depth-row-label {
  border-left-color: var(--secondary);
  background: #eef8f7;
}

.depth-row-label strong {
  color: var(--ink);
  font-size: 21.3333px;
  line-height: 1;
}

.depth-row[data-level="moderate"] .depth-row-label strong,
.depth-row[data-level="light"] .depth-row-label strong {
  font-size: 24.6667px;
}

.depth-row-label span {
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.25;
}

.depth-row-copy {
  display: grid;
  gap: 7px;
  min-width: 0;
}

.depth-row-claim {
  color: var(--ink);
  font-size: 18.6667px;
  font-weight: 700;
  line-height: 1.45;
}

.depth-row-evidence {
  color: var(--muted);
  font-size: 15.3333px;
  line-height: 1.45;
}

.depth-row-evidence strong {
  color: var(--secondary);
}

/* Page 01—03 · content preserved, visual language aligned to Page 04—05 */
.page.content-only {
  grid-template-rows: 76px minmax(0, 1fr);
}

.page-thesis {
  color: var(--muted);
  font-size: 20px;
  line-height: 1.6;
}

.page-thesis b {
  color: var(--ink);
}

.context-content {
  display: grid;
  grid-template-rows: 68px minmax(0, 1fr) 92px;
  gap: 18px;
  min-height: 0;
}

.context-main {
  display: grid;
  grid-template-columns: 1020px minmax(0, 1fr);
  gap: 24px;
  min-height: 0;
}

.context-card {
  grid-template-rows: 62px auto minmax(0, 1fr);
  padding: 26px 28px 24px;
}

.context-card h2 {
  margin-top: 10px;
}

.context-card p {
  margin-top: 14px;
}

.context-evidence {
  display: grid;
  grid-template-columns: 150px repeat(3, minmax(0, 1fr)) 250px;
  align-items: center;
  gap: 18px;
  padding: 16px 22px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 10px 26px rgba(22, 36, 59, 0.055);
}

.evidence-title {
  color: var(--muted);
  font-size: 16px;
  font-weight: 700;
  white-space: nowrap;
}

.metric {
  display: flex;
  align-items: baseline;
  gap: 10px;
  min-width: 0;
  padding-left: 18px;
  border-left: 1px solid var(--line);
  color: var(--muted);
  font-size: 15.3333px;
  line-height: 1.4;
}

.metric b {
  flex: 0 0 auto;
  color: var(--ink);
  font-size: 25.3333px;
  line-height: 1;
}

.sample-note {
  color: #7b8797;
  font-size: 13.3333px;
  line-height: 1.45;
}

.method-content {
  display: grid;
  grid-template-rows: 68px minmax(0, 1fr);
  gap: 18px;
  min-height: 0;
}

.method-card {
  grid-template-rows: 104px 138px minmax(0, 1fr) 74px;
}

.method-focus {
  display: grid;
  align-content: center;
  gap: 18px;
  padding: 20px 10px 18px 28px;
  color: var(--muted);
  font-size: 18.6667px;
  line-height: 1.5;
}

.method-focus li {
  padding-left: 7px;
}

.agenda-page {
  display: grid;
  grid-template-rows: 1fr;
  place-items: center;
  padding: 72px;
}

.agenda-page::before {
  display: none;
}

.agenda-list {
  display: grid;
  grid-template-rows: 260px 205px 205px;
  gap: 24px;
  width: 1250px;
}

.agenda-item {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 14px 34px rgba(22, 36, 59, 0.075);
}

.agenda-index {
  display: grid;
  place-items: center;
  border-right: 1px solid var(--line);
  background: #f2f6fc;
}

.agenda-index strong {
  color: #8a98a9;
  font-size: 38px;
  line-height: 1;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
}

.agenda-copy {
  display: grid;
  align-content: center;
  gap: 18px;
  padding: 34px 48px;
}

.agenda-copy h2 {
  color: #23314a;
  font-size: 34px;
  font-weight: 700;
  line-height: 1.2;
}

.agenda-copy p {
  color: #758296;
  font-size: 21.3333px;
  line-height: 1.45;
}

.agenda-item.primary {
  border-color: #9fc8ff;
  background: linear-gradient(90deg, var(--blue-100), #ffffff 58%);
  box-shadow: 0 18px 42px rgba(35, 102, 209, 0.14);
}

.agenda-item.primary .agenda-index {
  border-right: 0;
  background: var(--primary);
}

.agenda-item.primary .agenda-index strong {
  color: #ffffff;
}

.agenda-item.primary .agenda-copy h2 {
  color: #071a35;
}

.agenda-item.primary .agenda-copy p {
  color: #405675;
}

.agenda-item.muted {
  opacity: 0.58;
  box-shadow: none;
}

/* v3 · larger reading scale and a shorter Page 01 middle section */
.context-page .page-title,
.method-page .page-title {
  font-size: 42px;
}

.profile-page .page-title,
.depth-page .page-title {
  font-size: 42px;
}

.context-content {
  grid-template-rows: 74px 630px 100px;
}

.context-page .page-thesis,
.method-page .page-thesis {
  font-size: 22px;
}

.context-card {
  grid-template-rows: 68px auto minmax(0, 1fr);
  padding: 25px 28px 22px;
}

.context-index {
  width: 50px;
  height: 50px;
  font-size: 17.3333px;
}

.context-card h2 {
  font-size: 30.6667px;
}

.context-card p {
  font-size: 20.6667px;
  line-height: 1.62;
}

.question-panel {
  padding: 40px 44px 34px;
}

.question-label {
  font-size: 17.3333px;
}

.question {
  margin-top: 22px;
  font-size: 34.6667px;
  line-height: 1.46;
}

.subquestions {
  gap: 15px;
}

.subq {
  font-size: 20px;
}

.context-evidence {
  padding: 16px 24px;
}

.context-evidence .evidence-title {
  font-size: 17.3333px;
}

.context-evidence .metric {
  font-size: 16px;
}

.context-evidence .metric b {
  font-size: 29.3333px;
}

.method-content {
  grid-template-rows: 74px minmax(0, 1fr);
}

.method-card {
  grid-template-rows: 108px 144px minmax(0, 1fr) 78px;
}

.method-object,
.method-focus {
  font-size: 20px;
}

.method-answer {
  font-size: 22px;
}

/* v4 · explicit on-screen navigation */
.deck-navigation {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 2147483600;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px;
  border: 1px solid rgba(196, 210, 223, 0.92);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow:
    0 14px 34px rgba(22, 36, 59, 0.18),
    0 2px 8px rgba(22, 36, 59, 0.08);
  backdrop-filter: blur(16px);
}

.nav-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-width: 96px;
  height: 44px;
  padding: 0 16px;
  border: 1px solid #c9d6e3;
  border-radius: 12px;
  color: var(--ink);
  background: linear-gradient(180deg, #ffffff, #f2f6fa);
  box-shadow:
    0 4px 10px rgba(22, 36, 59, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
  cursor: pointer;
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  transition:
    transform 120ms ease,
    box-shadow 120ms ease,
    border-color 120ms ease;
}

.nav-button-primary {
  border-color: #1e5fc4;
  color: #ffffff;
  background: linear-gradient(180deg, #3477dd, #2366d1);
  box-shadow:
    0 5px 12px rgba(35, 102, 209, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.24);
}

.nav-button:hover:not(:disabled) {
  border-color: var(--primary);
  transform: translateY(-1px);
}

.nav-button:active:not(:disabled) {
  transform: translateY(2px);
  box-shadow:
    0 1px 3px rgba(22, 36, 59, 0.16),
    inset 0 2px 4px rgba(22, 36, 59, 0.12);
}

.nav-button:focus-visible {
  outline: 3px solid rgba(35, 102, 209, 0.28);
  outline-offset: 2px;
}

.nav-button:disabled {
  color: #94a2b3;
  border-color: #d9e2eb;
  background: #f3f6f9;
  box-shadow: none;
  cursor: not-allowed;
  opacity: 0.68;
}

.nav-arrow {
  font-size: 20px;
  line-height: 1;
}

.page-counter {
  min-width: 54px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

/* v6 · Page 05 right panel typography enlarged by 2pt */
.depth-reading-title {
  font-size: 29.3333px;
}

.reading-note {
  font-size: 17.3333px;
}

.depth-row {
  grid-template-columns: 134px minmax(0, 1fr);
  gap: 20px;
}

.depth-row-label {
  gap: 9px;
  padding: 15px 16px;
}

.depth-row-label strong {
  font-size: 24px;
}

.depth-row[data-level="moderate"] .depth-row-label strong,
.depth-row[data-level="light"] .depth-row-label strong {
  font-size: 27.3333px;
}

.depth-row-label span {
  font-size: 16.6667px;
}

.depth-row-copy {
  gap: 9px;
}

.depth-row-claim {
  font-size: 21.3333px;
}

.depth-row-evidence {
  font-size: 18px;
}

@media (min-width: 901px) {
  .deck-navigation {
    top: 18px;
    bottom: auto;
  }
}

@media (max-width: 520px) {
  .deck-navigation {
    right: 10px;
    bottom: 10px;
    gap: 5px;
    padding: 5px;
    border-radius: 15px;
  }

  .nav-button {
    min-width: 88px;
    height: 40px;
    padding: 0 12px;
    font-size: 14px;
  }

  .page-counter {
    min-width: 48px;
  }
}

@media (prefers-reduced-motion: no-preference) {
  [data-deck-active] .fade-up {
    animation: fade-up 0.52s var(--ease) both;
    animation-delay: var(--delay, 0s);
  }
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(22px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media print {
  html,
  body {
    background: #ffffff;
  }
}