:root {
  --page-width: 1200px;
  --font-en-sans: "Roboto", "HelveticaNeue", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-cn-sans: "Roboto", "HelveticaNeue", "Helvetica Neue", Helvetica, Arial, "Noto Sans SC", sans-serif;
  --font-cn-serif: "Roboto", "HelveticaNeue", "Helvetica Neue", Helvetica, Arial, "Noto Serif SC", "Noto Sans SC", serif;

  /* Main typography knobs */
  --hero-title-size: 42px;
  --hero-lead-size: 24px;
  --section-title-size: 30px;
  --body-size: 16px;
  --small-label-size: 12px;

  --bg: #e7edf4;
  --bg-glow: rgba(118, 145, 178, 0.12);
  --panel: rgba(247, 250, 253, 0.92);
  --panel-strong: #fcfeff;
  --ink: #1d2430;
  --muted: #66717f;
  --line: rgba(99, 116, 138, 0.14);
  --line-strong: rgba(99, 116, 138, 0.22);
  --accent: #56738f;
  --accent-soft: rgba(86, 115, 143, 0.08);
  --gold: #7f94ae;
  --heading-title: #3f5877;
  --heading-strong: #4f6782;
  --heading-soft: #758ba4;
  --heading-warm: #6c7f95;
  --feature-title-color: #627995;
  --shadow: 0 24px 64px rgba(45, 33, 21, 0.08);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, var(--bg-glow), transparent 26%),
    radial-gradient(circle at bottom right, rgba(128, 156, 188, 0.12), transparent 28%),
    linear-gradient(180deg, #f5f8fc 0%, var(--bg) 100%);
  color: var(--ink);
  font-family: var(--font-cn-sans);
  font-size: var(--body-size);
  line-height: 1.75;
}

html:lang(en) body {
  font-family: var(--font-en-sans);
}

a,
audio,
button {
  -webkit-tap-highlight-color: transparent;
}

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

.page {
  padding: 26px 20px 72px;
}

.page-frame {
  max-width: calc(var(--page-width) + 180px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 136px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.page-shell {
  min-width: 0;
}

.demo-sidebar {
  position: sticky;
  top: 24px;
  align-self: start;
}

.demo-sidebar__inner {
  display: grid;
  gap: 12px;
  padding: 16px 12px;
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 24px;
  background: rgba(247, 250, 253, 0.86);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.demo-sidebar__title {
  color: var(--gold);
  font-family: var(--font-en-sans);
  font-size: var(--small-label-size);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.demo-sidebar__links {
  display: grid;
  gap: 8px;
}

.demo-sidebar__link {
  display: block;
  padding: 10px 12px;
  border-radius: 16px;
  color: var(--muted);
  text-decoration: none;
  font-family: var(--font-en-sans);
  font-size: 13px;
  line-height: 1.45;
  transition: background-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.demo-sidebar__link:hover,
.demo-sidebar__link.is-active {
  color: var(--heading-strong);
  background: rgba(86, 115, 143, 0.08);
  transform: translateX(2px);
}

.section-panel {
  position: relative;
  overflow: hidden;
  padding: 38px 40px;
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: var(--radius-xl);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.section-panel + .section-panel {
  margin-top: 22px;
}

.section-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.58), transparent 42%),
    radial-gradient(circle at top right, rgba(118, 145, 178, 0.1), transparent 22%);
  pointer-events: none;
}

.demo-block.section-panel {
  background: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.98);
  box-shadow: none;
  backdrop-filter: none;
}

.demo-block.section-panel::before {
  content: none;
}

.hero-heading,
.block-head,
.hero-grid,
.hero-video,
.hero-actions,
.case-list {
  position: relative;
  z-index: 1;
}

.section-kicker,
.feature-card__index,
.case-card__index,
.text-panel__label,
.audio-panel__label,
.keyword-card__note {
  font-family: var(--font-en-sans);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-heading {
  text-align: center;
}

.hero-brand {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
  margin-bottom: 18px;
}

.page-switch {
  position: absolute;
  top: 22px;
  right: 24px;
  z-index: 2;
}

.page-switch__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 14px;
  border: 1px solid rgba(171, 188, 208, 0.42);
  border-radius: 999px;
  background: rgba(251, 253, 255, 0.82);
  color: var(--heading-strong);
  text-decoration: none;
  font-family: var(--font-en-sans);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  transition:
    background-color 180ms ease,
    border-color 180ms ease,
    transform 180ms ease;
}

.page-switch__link:hover {
  background: rgba(245, 249, 253, 0.96);
  border-color: rgba(160, 180, 203, 0.66);
  transform: translateY(-1px);
}

.hero-brand__image {
  display: block;
  width: auto;
  max-width: min(240px, 38vw);
  max-height: 72px;
  object-fit: contain;
}

.section-kicker {
  color: var(--gold);
}

.hero-title,
.block-title {
  font-family: var(--font-cn-serif);
  letter-spacing: -0.02em;
  color: var(--heading-title);
}

html:lang(en) .hero-title,
html:lang(en) .block-title {
  font-family: var(--font-en-sans);
  font-weight: 700;
}

.hero-title {
  margin-top: 10px;
  font-size: clamp(26px, 2.6vw, 34px);
  line-height: 1.18;
  white-space: pre-line;
  text-wrap: pretty;
  color: #38516d;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: 28px;
}

.hero-left {
  display: grid;
  gap: 20px;
}

.hero-intro {
  max-width: none;
  margin: 0;
}

.hero-lead {
  max-width: 60ch;
  margin: 14px auto 0;
  font-size: 20px;
  line-height: 1.48;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #5f7693;
}

.hero-description,
.block-description,
.feature-card__body,
.text-panel p,
.keyword-card__note {
  color: var(--muted);
}

.hero-description {
  margin-top: 0;
  max-width: none;
  padding: 0 8px 0 14px;
  text-align: left;
  text-indent: 2em;
  white-space: normal;
  text-wrap: pretty;
  line-height: 1.9;
}

.feature-list {
  display: grid;
  gap: 14px;
}

.feature-card,
.keyword-card,
.case-card,
.text-panel,
.audio-panel,
.output-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(251, 253, 255, 0.92);
}

.feature-card {
  padding: 20px 22px;
}

.feature-card__meta {
  display: grid;
  gap: 8px;
}

.feature-card__index {
  color: var(--gold);
}

.feature-card__title {
  font-size: 20px;
  line-height: 1.5;
  color: var(--feature-title-color);
}

.feature-card__body {
  margin-top: 0;
  line-height: 1.8;
}

.feature-card__title-inline {
  color: inherit;
  font-weight: 700;
}

.keyword-stage {
  position: relative;
  margin-top: 6px;
  padding: 10px 0 2px;
}

.keyword-stage::before,
.keyword-stage::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.keyword-stage::before {
  display: none;
}

.keyword-stage::after {
  inset: 0 12% auto;
  height: 132px;
  background: radial-gradient(circle at center, rgba(120, 148, 181, 0.14), transparent 72%);
  filter: blur(20px);
  opacity: 0.75;
}

.keyword-grid {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px 30px;
  align-items: baseline;
}

.keyword-card {
  position: relative;
  display: inline-flex;
  align-items: center;
  width: auto;
  min-height: 0;
  padding: 0;
  border: none;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
  transition: transform 180ms ease, opacity 180ms ease;
}

.keyword-card::before {
  content: "✓";
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin-right: 10px;
  border: 1px solid rgba(122, 134, 154, 0.28);
  border-radius: 5px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.96), rgba(236, 242, 249, 0.92));
  color: var(--heading-soft);
  font-family: var(--font-en-sans);
  font-size: 11px;
  font-weight: 700;
  line-height: 1;
  box-shadow:
    0 6px 16px rgba(69, 52, 38, 0.06),
    inset 0 1px 0 rgba(255, 255, 255, 0.85);
}

.keyword-card:hover {
  transform: translateY(-1px);
  opacity: 0.92;
}

.keyword-card__name {
  font-family: var(--font-cn-sans);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0.02em;
  color: #5f6674;
  white-space: nowrap;
}

html:lang(en) .hero-lead,
html:lang(en) .hero-description,
html:lang(en) .block-description,
html:lang(en) .feature-card__title,
html:lang(en) .feature-card__body,
html:lang(en) .keyword-card__name,
html:lang(en) .case-card__title,
html:lang(en) .text-panel p,
html:lang(en) .block-description__lead,
html:lang(en) .block-description__group-title,
html:lang(en) .block-description__line,
html:lang(en) .block-description__text-heading,
html:lang(en) .block-description__pillar-item,
html:lang(en) .block-description__subitem,
html:lang(en) .block-description__copy,
html:lang(en) .block-description__item {
  font-family: var(--font-en-sans);
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  margin-top: 28px;
}

.hero-video {
  margin-top: 28px;
}

.hero-video__media {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  border: 1px solid rgba(171, 188, 208, 0.36);
  border-radius: 24px;
  background: #0f1720;
  box-shadow: 0 18px 42px rgba(58, 76, 98, 0.16);
}

.hero-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none;
  font-family: var(--font-en-sans);
  font-size: 14px;
  font-weight: 700;
  transition: transform 180ms ease, background-color 180ms ease, border-color 180ms ease;
}

.hero-button:hover {
  transform: translateY(-1px);
}

.hero-button--primary {
  background: var(--accent);
  color: #fdfaf6;
}

.hero-button--secondary {
  background: rgba(255, 255, 255, 0.68);
  border-color: var(--line-strong);
  color: var(--ink);
}

.block-head {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 18px;
  align-items: end;
}

.block-head--stacked {
  grid-template-columns: 1fr;
}

.block-head--stacked > div {
  display: grid;
}

.block-head--stacked .block-description {
  position: relative;
  overflow: hidden;
  margin-top: 14px;
  width: 100%;
  max-width: none;
  padding: 18px 22px 18px 26px;
  border: 1px solid rgba(95, 106, 126, 0.14);
  border-radius: 20px;
  background: rgba(251, 253, 255, 0.97);
  box-shadow:
    0 12px 24px rgba(45, 33, 21, 0.035),
    inset 0 1px 0 rgba(255, 255, 255, 0.82);
  line-height: 1.72;
  text-wrap: pretty;
}

.block-head--stacked .block-description::before {
  content: "";
  position: absolute;
  top: 14px;
  bottom: 14px;
  left: 0;
  width: 4px;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--gold), var(--heading-soft));
}

.block-head--stacked .block-description::after {
  content: none;
}

.block-title {
  margin-top: 8px;
  font-size: 28px;
  line-height: 1.3;
  white-space: nowrap;
}

.block-description {
  max-width: 68ch;
}

.block-description__copy,
.block-description--list {
  position: relative;
  z-index: 1;
}

.block-description__copy {
  display: block;
}

.block-description__lead {
  position: relative;
  z-index: 1;
  margin: 0;
  color: var(--heading-strong);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.64;
}

.block-description--list {
  display: grid;
  gap: 10px;
}

.block-description__item {
  position: relative;
  display: block;
  z-index: 1;
  padding-left: 18px;
  line-height: 1.64;
}

.block-description__item::before {
  content: "";
  position: absolute;
  top: 0.78em;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: rgba(122, 134, 154, 0.9);
  transform: translateY(-50%);
}

.block-description--list .block-description__item:first-child {
  color: var(--muted);
  font-weight: 400;
}

.block-description--list-plain .block-description__item:first-child {
  color: var(--muted);
  font-weight: 400;
}

.block-description--nested {
  display: grid;
  gap: 12px;
}

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

.block-description__group-list {
  display: grid;
  gap: 10px;
}

.block-description__group {
  display: grid;
  gap: 8px;
}

.block-description__group-title {
  position: relative;
  display: block;
  z-index: 1;
  padding-left: 18px;
  color: var(--heading-strong);
  font-weight: 600;
  line-height: 1.72;
}

.block-description__group-title::before {
  content: "";
  position: absolute;
  top: 0.78em;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: rgba(122, 134, 154, 0.9);
  transform: translateY(-50%);
}

.block-description__sublist {
  display: grid;
  gap: 8px;
  padding-left: 22px;
}

.block-description__subitem {
  position: relative;
  display: block;
  z-index: 1;
  padding-left: 16px;
  color: var(--muted);
  line-height: 1.72;
}

.block-description__subitem::before {
  content: "";
  position: absolute;
  top: 0.82em;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: rgba(122, 134, 154, 0.74);
  transform: translateY(-50%);
}

.block-description--spotlight {
  display: grid;
  gap: 16px;
}

.block-description__intro {
  display: grid;
  gap: 10px;
}

.block-description__band-list {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 8px;
}

.block-description__pillar-list {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 14px;
}

.block-description__line {
  margin: 0;
  padding-left: 1.4em;
  color: var(--muted);
  line-height: 1.78;
  text-indent: -1.4em;
}

.block-description__line-label {
  color: var(--heading-soft);
  font-weight: 700;
}

.block-description__line-label::after {
  content: " - ";
  color: var(--muted);
  font-weight: 500;
}

.block-description__text-block {
  display: grid;
  gap: 8px;
}

.block-description__text-title {
  margin: 0;
  padding-left: 1.1em;
  text-indent: -1.1em;
}

.block-description__text-index {
  color: var(--gold);
  font-family: var(--font-en-sans);
  font-size: 13px;
  font-weight: 700;
}

.block-description__text-heading {
  color: var(--heading-strong);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
}

.block-description__pillar-items {
  display: grid;
  gap: 8px;
  padding-left: 22px;
}

.block-description__pillar-item {
  margin: 0;
  color: var(--muted);
  line-height: 1.72;
}

.case-list {
  display: grid;
  gap: 16px;
  margin-top: 20px;
}

.case-card {
  position: relative;
  overflow: hidden;
  padding: 18px 18px 16px;
  border: 1px solid rgba(193, 206, 222, 0.98);
  border-radius: 22px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.985), rgba(245, 249, 253, 0.96)),
    #ffffff;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.92),
    0 8px 20px rgba(112, 133, 160, 0.045);
  transition:
    border-color 180ms ease,
    box-shadow 180ms ease,
    background-color 180ms ease,
    transform 180ms ease;
}

.case-card::before {
  content: "";
  position: absolute;
  inset: 10px;
  border-radius: 20px;
  background: rgba(86, 115, 143, 0.08);
  opacity: 0;
  transform: translateX(-10px);
  transition: opacity 180ms ease, transform 180ms ease;
  pointer-events: none;
}

.case-card::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  top: 18px;
  bottom: 18px;
  border-radius: 999px;
  background:
    linear-gradient(180deg, rgba(241, 246, 252, 0.92), rgba(230, 239, 248, 0.8));
  box-shadow: 0 14px 30px rgba(112, 133, 160, 0.08);
  opacity: 0;
  transform: translateX(-14px) scale(0.978);
  transform-origin: left center;
  transition: opacity 200ms ease, transform 200ms ease;
  pointer-events: none;
}

#scenes-demo .case-card::after,
#persona-demo .case-card::after {
  top: 22px;
  bottom: 16px;
  border-radius: 26px;
  background:
    radial-gradient(120% 92% at 50% 58%, rgba(241, 246, 252, 0.82) 0%, rgba(231, 239, 248, 0.68) 58%, rgba(231, 239, 248, 0) 100%);
  box-shadow: 0 18px 34px rgba(112, 133, 160, 0.06);
}

.case-card__head {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  transition: transform 180ms ease, border-color 180ms ease;
}

.case-card__index {
  color: var(--gold);
}

.case-card__title {
  font-size: 22px;
  line-height: 1.4;
  color: var(--heading-strong);
  transition: color 180ms ease;
}

#scenes-demo .case-card__title,
#persona-demo .case-card__title {
  font-size: 19px;
  color: #617894;
}

.case-card__body {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.98fr) minmax(0, 1.12fr) minmax(220px, 0.58fr);
  gap: 14px;
  margin-top: 16px;
  align-items: stretch;
  transition: transform 180ms ease;
}

.case-rail,
.case-main {
  display: grid;
  gap: 14px;
}

.script-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) minmax(0, 1.06fr);
  gap: 14px;
}

.case-card__body > * {
  height: 100%;
}

.case-card__prompt {
  grid-column: 1 / span 2;
  grid-row: 1;
}

.case-card__prompt-audio {
  grid-column: 3;
  grid-row: 1;
  align-content: center;
}

.case-card__context {
  grid-column: 1;
  grid-row: 2;
}

.case-card__script {
  grid-column: 2;
  grid-row: 2;
}

.case-card__result {
  grid-column: 3;
  grid-row: 2;
  align-content: center;
}

#scenes-demo .case-card:hover,
#scenes-demo .case-card:focus-within,
#persona-demo .case-card:hover,
#persona-demo .case-card:focus-within {
  border-color: rgba(160, 180, 203, 0.98);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.985), rgba(230, 239, 248, 0.08)),
    rgba(255, 255, 255, 0.98);
  box-shadow: 0 22px 42px rgba(98, 121, 149, 0.14);
  transform: translateY(-5px);
}

#scenes-demo .case-card:hover::before,
#scenes-demo .case-card:focus-within::before,
#persona-demo .case-card:hover::before,
#persona-demo .case-card:focus-within::before {
  opacity: 1;
  transform: translateX(0);
}

#scenes-demo .case-card:hover::after,
#scenes-demo .case-card:focus-within::after,
#persona-demo .case-card:hover::after,
#persona-demo .case-card:focus-within::after {
  opacity: 1;
  transform: translateX(0) scale(1);
}

#scenes-demo .case-card:hover .case-card__head,
#scenes-demo .case-card:focus-within .case-card__head,
#scenes-demo .case-card:hover .case-card__body,
#scenes-demo .case-card:focus-within .case-card__body,
#persona-demo .case-card:hover .case-card__head,
#persona-demo .case-card:focus-within .case-card__head,
#persona-demo .case-card:hover .case-card__body,
#persona-demo .case-card:focus-within .case-card__body {
  transform: translateX(6px);
}

#scenes-demo .case-card:hover .case-card__head,
#scenes-demo .case-card:focus-within .case-card__head,
#persona-demo .case-card:hover .case-card__head,
#persona-demo .case-card:focus-within .case-card__head {
  border-color: transparent;
}

#scenes-demo .case-card:hover .case-card__title,
#scenes-demo .case-card:focus-within .case-card__title,
#persona-demo .case-card:hover .case-card__title,
#persona-demo .case-card:focus-within .case-card__title {
  color: #42607f;
}

.text-panel,
.audio-panel,
.output-panel {
  position: relative;
  padding: 18px 14px 10px;
  border-radius: 18px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.65);
  align-content: center;
}

.text-panel {
  display: grid;
  gap: 5px;
}

.text-panel__label,
.audio-panel__label {
  position: absolute;
  top: -10px;
  left: 14px;
  display: inline-flex;
  align-items: center;
  padding: 0 8px;
  min-height: 20px;
  background: rgba(255, 253, 249, 0.96);
  color: var(--gold);
  line-height: 1;
}

.text-panel p {
  margin-top: 0;
}

.text-panel--prompt {
  background: rgba(242, 244, 247, 0.96);
}

.text-panel--prompt .text-panel__label {
  background: rgba(247, 249, 252, 0.98);
}

.text-panel--context {
  padding-bottom: 18px;
  border: 1px dashed rgba(108, 128, 152, 0.34);
  background: rgba(251, 253, 255, 0.98);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    0 10px 24px rgba(124, 148, 176, 0.04);
}

.text-panel--context::after {
  content: "";
  position: absolute;
  top: 12px;
  right: 12px;
  width: 36px;
  height: 36px;
  border-top: 1px solid rgba(115, 137, 162, 0.26);
  border-right: 1px solid rgba(115, 137, 162, 0.26);
  border-top-right-radius: 12px;
  pointer-events: none;
}

.text-panel--context .text-panel__label {
  background: transparent;
  top: -10px;
  color: #5f7b99;
}

.text-panel--context p {
  color: var(--heading-strong);
  font-size: 16px;
  line-height: 1.88;
}

.text-panel--context .inline-context-mark--context {
  color: #6f84a0;
}

.text-panel__edge-note {
  position: absolute;
  left: 14px;
  bottom: -10px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  max-width: calc(100% - 28px);
  min-height: 20px;
  padding: 0 10px 0 8px;
  background: linear-gradient(180deg, #f7fbff 0%, #edf3fa 100%);
  color: #6e87a1;
  font-size: 11px;
  line-height: 1.4;
  letter-spacing: 0.01em;
  z-index: 2;
}

.text-panel__edge-note::before {
  content: "";
  flex: 0 0 auto;
  width: 5px;
  height: 5px;
  border-radius: 999px;
  background: rgba(119, 143, 171, 0.58);
  box-shadow: none;
}

.text-panel--script {
  padding-bottom: 18px;
  border: 1px solid rgba(132, 152, 176, 0.16);
  background: rgba(251, 253, 255, 0.98);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.92),
    0 12px 28px rgba(111, 135, 163, 0.05);
}

.text-panel--script::before {
  content: "";
  position: absolute;
  top: 16px;
  bottom: 16px;
  left: 0;
  width: 3px;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(123, 149, 177, 0.72), rgba(123, 149, 177, 0.18));
}

.text-panel--script .text-panel__label {
  background: transparent;
  top: -10px;
  color: #627d99;
}

.text-panel--script p {
  color: var(--heading-strong);
  line-height: 1.88;
}

.inline-context-mark {
  display: inline;
  padding: 0.06em 0.42em 0.12em;
  border: 1px solid rgba(182, 198, 219, 0.72);
  border-radius: 0.72em;
  background: linear-gradient(180deg, rgba(247, 250, 254, 0.96), rgba(236, 242, 249, 0.82));
  color: #6f84a0;
  font-size: 0.84em;
  font-weight: 500;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    0 1px 4px rgba(120, 146, 176, 0.08);
  text-shadow: 0 0 6px rgba(120, 146, 176, 0.04);
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.audio-panel,
.output-panel {
  display: grid;
  gap: 8px;
}

.audio-panel {
  background: rgba(242, 244, 247, 0.96);
}

.output-panel--result {
  border: 1px solid rgba(132, 152, 176, 0.14);
  background: rgba(251, 253, 255, 0.98);
}

.output-panel--result .audio-panel__label {
  background: transparent;
  top: -10px;
}

.text-panel--context .text-panel__label,
.text-panel--script .text-panel__label,
.output-panel--result .audio-panel__label {
  isolation: isolate;
}

.text-panel--context .text-panel__label::before,
.text-panel--script .text-panel__label::before,
.output-panel--result .audio-panel__label::before {
  content: "";
  position: absolute;
  left: -4px;
  right: -4px;
  top: 3px;
  bottom: 3px;
  border-radius: 999px;
  background: rgba(251, 253, 255, 0.99);
  z-index: -1;
}

.audio-panel audio,
.output-panel audio {
  width: 100%;
}

.audio-panel--prompt audio {
  color-scheme: light;
}

.audio-panel--prompt audio::-webkit-media-controls-enclosure,
.audio-panel--prompt audio::-webkit-media-controls-panel {
  background-color: rgba(249, 252, 255, 0.98);
}

.shared-prompt-layout {
  display: grid;
  gap: 14px;
}

.shared-prompt-group-list {
  display: grid;
  gap: 22px;
}

.shared-prompt-group {
  display: grid;
  gap: 14px;
}

.shared-prompt-group + .shared-prompt-group {
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.shared-prompt-group__label {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 22px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(86, 115, 143, 0.08);
  color: var(--accent);
  font-family: var(--font-en-sans);
  font-size: var(--small-label-size);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.shared-prompt-row {
  display: grid;
  grid-template-columns: minmax(0, 2.16fr) minmax(220px, 0.58fr);
  gap: 14px;
  align-items: stretch;
  padding: 0 18px;
}

.shared-case-list {
  display: grid;
  gap: 22px;
}

.shared-case-row {
  position: relative;
  padding: 18px 18px 16px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(120, 146, 176, 0.06)),
    rgba(248, 251, 254, 0.92);
}

#global-demo .shared-case-row,
#local-demo .shared-case-row {
  padding: 0;
  border: none;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

#global-demo .text-panel--context,
#local-demo .text-panel--context {
  background: rgba(251, 253, 255, 0.98);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.88);
}

#global-demo .text-panel--context .text-panel__label,
#local-demo .text-panel--context .text-panel__label,
#global-demo .text-panel__edge-note,
#local-demo .text-panel__edge-note {
  background: rgba(244, 248, 252, 0.98);
}

#global-demo .text-panel--context .text-panel__label,
#local-demo .text-panel--context .text-panel__label {
  background: transparent;
}

#global-demo .text-panel--script::before,
#local-demo .text-panel--script::before {
  background: rgba(123, 149, 177, 0.36);
}

#global-demo .text-panel--script .text-panel__label,
#local-demo .text-panel--script .text-panel__label {
  background: transparent;
}

#global-demo .inline-context-mark,
#local-demo .inline-context-mark {
  background: rgba(240, 245, 250, 0.96);
  box-shadow: none;
  text-shadow: none;
}

.shared-case-row__tag {
  position: absolute;
  top: -10px;
  left: 14px;
  display: inline-flex;
  align-items: center;
  min-height: 20px;
  padding: 0 8px;
  border-radius: 999px;
  background: rgba(255, 253, 249, 0.96);
  color: var(--gold);
  font-family: var(--font-en-sans);
  font-size: var(--small-label-size);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.shared-case-row__grid {
  display: grid;
  grid-template-columns: minmax(0, 2.16fr) minmax(220px, 0.58fr);
  gap: 14px;
  align-items: stretch;
}

.shared-case-row__texts {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 14px;
  height: 100%;
}

#global-demo .shared-prompt-group,
#local-demo .shared-prompt-group {
  position: relative;
  padding: 18px 18px 16px;
  border: 1px solid rgba(193, 206, 222, 0.98);
  border-radius: 22px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.985), rgba(245, 249, 253, 0.96)),
    #ffffff;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.92),
    0 8px 20px rgba(112, 133, 160, 0.045);
}

#global-demo .shared-prompt-group + .shared-prompt-group,
#local-demo .shared-prompt-group + .shared-prompt-group {
  padding-top: 18px;
}

#global-demo .shared-prompt-row,
#local-demo .shared-prompt-row {
  position: relative;
  padding: 0;
  transition: transform 180ms ease;
}

#global-demo .shared-prompt-row::before,
#local-demo .shared-prompt-row::before {
  content: "";
  position: absolute;
  inset: 8px 10px;
  border-radius: 26px;
  background:
    linear-gradient(180deg, rgba(241, 246, 252, 0.9), rgba(231, 239, 248, 0.76));
  box-shadow: 0 14px 30px rgba(112, 133, 160, 0.08);
  opacity: 0;
  transform: translateX(-14px) scale(0.978);
  transform-origin: left center;
  transition: opacity 200ms ease, transform 200ms ease;
  pointer-events: none;
}

#global-demo .shared-prompt-row > *,
#local-demo .shared-prompt-row > * {
  position: relative;
  z-index: 1;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease,
    background-color 180ms ease;
}

#global-demo .shared-case-row,
#local-demo .shared-case-row {
  overflow: visible;
  transition:
    border-color 180ms ease,
    box-shadow 180ms ease,
    background-color 180ms ease,
    transform 180ms ease;
}

#global-demo .shared-case-row::before,
#local-demo .shared-case-row::before {
  content: "";
  position: absolute;
  inset: 10px;
  border-radius: 20px;
  background: rgba(86, 115, 143, 0.08);
  opacity: 0;
  transform: translateX(-10px);
  transition: opacity 180ms ease, transform 180ms ease;
  pointer-events: none;
}

#global-demo .shared-case-row::after,
#local-demo .shared-case-row::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  top: 18px;
  bottom: 18px;
  border-radius: 999px;
  background:
    linear-gradient(180deg, rgba(241, 246, 252, 0.92), rgba(230, 239, 248, 0.8));
  box-shadow: 0 14px 30px rgba(112, 133, 160, 0.08);
  opacity: 0;
  transform: translateX(-14px) scale(0.978);
  transform-origin: left center;
  transition: opacity 200ms ease, transform 200ms ease;
  pointer-events: none;
}

#global-demo .shared-case-row__grid,
#local-demo .shared-case-row__grid {
  position: relative;
  z-index: 1;
  transition: transform 180ms ease;
}

#global-demo .shared-prompt-group.is-prompt-linked-active .shared-prompt-row,
#local-demo .shared-prompt-group.is-prompt-linked-active .shared-prompt-row {
  transform: translateY(-3px);
}

#global-demo .shared-prompt-group.is-prompt-linked-active .shared-prompt-row::before,
#local-demo .shared-prompt-group.is-prompt-linked-active .shared-prompt-row::before {
  opacity: 1;
  transform: translateX(0) scale(1);
}

#global-demo .shared-prompt-group.is-prompt-linked-active .shared-prompt-row > *,
#local-demo .shared-prompt-group.is-prompt-linked-active .shared-prompt-row > * {
  transform: translateX(6px);
  border-color: rgba(182, 197, 216, 0.92);
  background: rgba(249, 252, 255, 0.98);
  box-shadow: 0 12px 26px rgba(98, 121, 149, 0.08);
}

#global-demo .shared-case-row:hover,
#global-demo .shared-case-row:focus-within,
#local-demo .shared-case-row:hover,
#local-demo .shared-case-row:focus-within {
  border-color: transparent;
  background: transparent;
  box-shadow: none;
  transform: translateY(-5px);
}

#global-demo .shared-case-row:hover::before,
#global-demo .shared-case-row:focus-within::before,
#local-demo .shared-case-row:hover::before,
#local-demo .shared-case-row:focus-within::before {
  opacity: 1;
  transform: translateX(0);
}

#global-demo .shared-case-row:hover::after,
#global-demo .shared-case-row:focus-within::after,
#local-demo .shared-case-row:hover::after,
#local-demo .shared-case-row:focus-within::after {
  opacity: 1;
  transform: translateX(0) scale(1);
}

#global-demo .shared-case-row:hover .shared-case-row__grid,
#global-demo .shared-case-row:focus-within .shared-case-row__grid,
#local-demo .shared-case-row:hover .shared-case-row__grid,
#local-demo .shared-case-row:focus-within .shared-case-row__grid {
  transform: translateX(6px);
}

.shared-prompt-row > *,
.shared-case-row__grid > * {
  height: 100%;
}

.shared-prompt-layout .text-panel,
.shared-prompt-layout .audio-panel,
.shared-prompt-layout .output-panel {
  height: 100%;
}

.shared-prompt-layout .audio-panel,
.shared-prompt-layout .output-panel {
  align-content: center;
}

@media (max-width: 1100px) {
  :root {
    --hero-title-size: 36px;
    --hero-lead-size: 22px;
    --section-title-size: 28px;
  }

  .hero-title {
    white-space: pre-line;
  }

  .page-frame {
    grid-template-columns: 1fr;
  }

  .hero-grid,
  .block-head,
  .case-card__body,
  .script-panel,
  .shared-prompt-row,
  .shared-case-row__grid {
    grid-template-columns: 1fr;
  }

  .hero-description {
    white-space: normal;
  }

  .case-card__prompt,
  .case-card__prompt-audio,
  .case-card__context,
  .case-card__script,
  .case-card__result {
    grid-column: auto;
    grid-row: auto;
  }

  .shared-case-row__texts {
    grid-template-columns: 1fr;
  }

  .shared-prompt-row {
    padding: 0;
  }

  .keyword-stage {
    padding: 14px 0 6px;
  }

  .keyword-grid {
    gap: 12px 24px;
  }

  .demo-sidebar {
    display: none;
  }
}

@media (max-width: 820px) {
  :root {
    --hero-title-size: 30px;
    --hero-lead-size: 20px;
    --section-title-size: 24px;
    --body-size: 15px;
  }

  .page {
    padding: 14px 14px 48px;
  }

  .section-panel {
    padding: 24px 18px;
    border-radius: 24px;
  }

  .page-switch {
    top: 16px;
    right: 16px;
  }

  .page-switch__link {
    min-height: 32px;
    padding: 0 12px;
    font-size: 11px;
  }

  .hero-brand {
    margin-bottom: 14px;
  }

  .hero-brand__image {
    max-width: min(200px, 54vw);
    max-height: 56px;
  }

  .keyword-grid {
    justify-content: flex-start;
    gap: 10px 18px;
  }

  .block-description__lead {
    font-size: 17px;
  }

  .block-head--stacked .block-description {
    padding: 16px 16px 16px 22px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-button {
    width: 100%;
  }

  .case-card__head {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
}