:root {
  --ink: #171329;
  --ink-soft: #2a2340;
  --violet: #6d48e5;
  --violet-bright: #8b6af2;
  --lavender: #d8ccff;
  --mist: #f4f1ff;
  --paper: #fcfbff;
  --cyan: #27c2c9;
  --green: #24a87a;
  --red: #d95873;
  --line: #ded8ef;
  --muted: #6f667e;
  --shell: 1320px;
}

* { box-sizing: border-box; }
html { max-width: 100%; overflow-x: clip; scroll-behavior: smooth; }
body {
  max-width: 100%;
  overflow-x: clip;
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, "SF Pro Display", "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
button, a { font: inherit; }
img { max-width: 100%; }
.shell { width: min(var(--shell), calc(100% - 68px)); margin-inline: auto; position: relative; }
.page-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background-image: linear-gradient(rgba(79, 54, 139, .045) 1px, transparent 1px), linear-gradient(90deg, rgba(79, 54, 139, .045) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, #000, transparent 72%);
}
.skip-link { position: fixed; left: 14px; top: -100px; z-index: 20; padding: 11px 14px; border-radius: 8px; background: var(--ink); color: white; transition: top .2s; }
.skip-link:focus { top: 12px; }

.site-header { height: 86px; display: flex; align-items: center; border-bottom: 1px solid var(--line); z-index: 10; }
.brand { display: inline-flex; align-items: center; color: var(--ink); text-decoration: none; letter-spacing: -.025em; }
.brand img { width: 34px; height: 34px; object-fit: contain; margin-right: 11px; }
.brand strong { font-size: 18px; }
.site-nav { display: flex; align-items: center; gap: 20px; margin-left: auto; }
.site-nav a { color: #534a68; text-decoration: none; font-size: 14px; transition: color .2s; }
.site-nav a:hover { color: var(--violet); }
.site-nav .nav-button { border: 1px solid #cabdf5; border-radius: 999px; padding: 10px 16px; color: var(--ink); background: rgba(255,255,255,.76); }
.menu-button { display: none; margin-left: auto; border: 1px solid var(--line); border-radius: 9px; background: white; padding: 8px 11px; color: var(--ink); }
.locale-toggle { flex: 0 0 auto; display: inline-flex; align-items: center; gap: 7px; min-height: 36px; margin-left: 12px; padding: 5px 10px; border: 1px solid #cabdf5; border-radius: 999px; background: rgba(255,255,255,.82); color: #665b77; font-size: 11px; font-weight: 800; cursor: pointer; transition: border-color .2s, background .2s, color .2s; }
.locale-toggle i { width: 18px; height: 10px; position: relative; border-radius: 99px; background: #ded6f7; }
.locale-toggle i::after { content:""; position:absolute; width: 7px; height: 7px; left: 2px; top: 1.5px; border-radius:50%; background:var(--violet); transition:transform .2s; }
.locale-toggle:hover,.locale-toggle:focus-visible { border-color: var(--violet); color: var(--violet); outline: none; }
html[lang="zh-CN"] .locale-toggle { background:#f2edff; color:#513892; }
html[lang="zh-CN"] .locale-toggle i::after { transform:translateX(7px); }
html[lang="zh-CN"] .locale-zh, html[lang="en"] .locale-en { color:var(--violet); }

.hero { display: grid; grid-template-columns: 1.07fr .93fr; gap: 64px; padding-block: 76px 58px; min-height: 596px; }
.hero-copy { align-self: center; }
.eyebrow, .section-kicker { margin: 0; color: var(--violet); font: 750 11px/1.2 ui-monospace, SFMono-Regular, Menlo, monospace; text-transform: uppercase; letter-spacing: .16em; }
.eyebrow { display: flex; align-items: center; gap: 10px; }
.eyebrow::before { content: ""; width: 32px; height: 2px; background: var(--violet); }
.hero h1 { margin: 0 0 26px; font-size: clamp(58px, 6vw, 88px); line-height: .94; letter-spacing: -.067em; }
.hero h1 span { color: var(--violet); }
.hero-lead { max-width: 680px; margin: 0; color: #5e566e; font-size: 19px; line-height: 1.58; }
.hero-actions, .closing-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 31px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 47px; padding: 0 19px; border-radius: 12px; font-size: 14px; font-weight: 750; text-decoration: none; transition: transform .2s, box-shadow .2s, border-color .2s; }
.button:hover { transform: translateY(-2px); }
.button-dark { background: var(--ink); color: white; box-shadow: 0 9px 24px rgba(23, 19, 41, .14); }
.button-light { border: 1px solid #cfc5e6; color: var(--ink); background: rgba(255,255,255,.76); }
.coverage { display: flex; gap: 0; margin: 43px 0 0; }
.coverage > div { padding: 0 31px; border-left: 1px solid #d8d0e8; }
.coverage > div:first-child { padding-left: 0; border-left: 0; }
.coverage dt { font-size: 27px; font-weight: 800; letter-spacing: -.045em; }
.coverage dd { margin: 5px 0 0; color: #7b728b; font-size: 11px; text-transform: uppercase; letter-spacing: .08em; }

.audio-console { align-self: center; position: relative; overflow: hidden; padding: 22px; border-radius: 28px; background: var(--ink); color: white; box-shadow: 0 30px 80px rgba(79, 49, 160, .22); transform: rotate(.35deg); }
.audio-console::after { content: ""; position: absolute; inset: -35% 42% 45% -30%; pointer-events: none; background: radial-gradient(circle, rgba(109,72,229,.5), transparent 68%); }
.console-heading, .waveform, .sample-current, .sample-progress, .sample-chooser { position: relative; z-index: 1; }
.console-heading { display: flex; align-items: center; justify-content: space-between; }
.window-dots { display: flex; gap: 6px; }
.window-dots i { width: 7px; height: 7px; border-radius: 50%; background: #655d77; }
.console-status { color: #b9a5ff; font: 750 9px ui-monospace, monospace; letter-spacing: .14em; text-transform: uppercase; }
.waveform { height: 104px; display: flex; align-items: center; gap: 4px; padding-inline: 4px; margin: 16px 0 2px; }
.waveform i { display: block; flex: 1; max-width: 5px; height: var(--height); border-radius: 9px; background: linear-gradient(to top, #7651ee, #b8a2ff); animation: pulse 1.7s ease-in-out infinite; animation-delay: var(--delay); }
.audio-console.playing .waveform i { animation-duration: .85s; }
@keyframes pulse { 50% { height: calc(var(--height) * .55); opacity: .68; } }
.sample-current { display: flex; align-items: end; justify-content: space-between; gap: 18px; border-top: 1px solid #3e374f; padding-top: 18px; }
.sample-location { margin: 0 0 7px; color: #9f96b0; font: 10px ui-monospace, monospace; text-transform: uppercase; letter-spacing: .08em; }
.sample-current h2 { margin: 0 0 7px; font-size: 21px; }
.sample-transcript { max-width: 390px; min-height: 42px; margin: 0; color: #ddd6eb; font-size: 14px; line-height: 1.5; }
.play-button { flex: 0 0 auto; width: 54px; height: 54px; border: 0; border-radius: 50%; background: var(--violet); color: white; font-size: 19px; cursor: pointer; box-shadow: 0 0 0 8px rgba(109,72,229,.16); transition: transform .2s, background .2s; }
.play-button:hover { transform: scale(1.05); background: var(--violet-bright); }
.sample-progress { height: 3px; overflow: hidden; margin-top: 16px; border-radius: 99px; background: #393146; }
.sample-progress span { display: block; width: 0; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--violet-bright), var(--cyan)); }
.sample-chooser { display: grid; grid-template-columns: repeat(6, 1fr); gap: 6px; margin-top: 14px; }
.sample-chip { border: 1px solid #443c55; border-radius: 9px; padding: 9px 3px; background: transparent; color: #a9a0b8; font-size: 11px; cursor: pointer; }
.sample-chip[aria-pressed="true"] { border-color: #8f72ef; background: #34255f; color: white; }

.proof { display: grid; grid-template-columns: 1.05fr repeat(3, 1fr); min-height: 188px; border-top: 1px solid var(--line); }
.proof > * { padding: 28px 26px; border-right: 1px solid var(--line); }
.proof > :first-child { padding-left: 0; }
.proof > :last-child { border-right: 0; }
.proof h2 { margin: 12px 0 0; font-size: 26px; line-height: 1.08; letter-spacing: -.04em; }
.proof-metric strong { font-size: 42px; letter-spacing: -.055em; }
.proof-metric strong span { color: var(--violet); }
.proof-metric p { margin: 8px 0 0; color: #746b83; font-size: 12px; line-height: 1.5; }

.section { padding-block: 104px; }
.section-mist { background: var(--mist); }
.section-header { display: grid; grid-template-columns: 1.1fr .9fr; gap: 80px; align-items: end; margin-bottom: 42px; }
.section-header h2, .architecture-copy h2, .closing h2 { margin: 12px 0 0; font-size: clamp(38px, 4vw, 58px); line-height: 1.02; letter-spacing: -.055em; }
.section-header > p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.65; }
.capability-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 18px; }
.capability { grid-column: span 4; min-height: 348px; display: flex; flex-direction: column; position: relative; overflow: hidden; padding: 24px; border: 1px solid #ded6ef; border-radius: 22px; background: rgba(255,255,255,.84); }
.capability-large { grid-column: span 8; }
.capability-wide { grid-column: span 7; min-height: 300px; }
.capability-wide + .capability { grid-column: span 5; min-height: 300px; }
.capability-number { align-self: flex-start; border: 1px solid #d7cdf0; border-radius: 999px; padding: 5px 8px; color: #7866a8; font: 700 10px ui-monospace, monospace; }
.capability > div:last-of-type, .capability > .capability-label { margin-top: auto; }
.capability-label { margin-bottom: 8px; color: var(--violet); font: 750 10px ui-monospace, monospace; text-transform: uppercase; letter-spacing: .12em; }
.capability h3 { max-width: 560px; margin: 0 0 10px; font-size: 24px; line-height: 1.12; letter-spacing: -.035em; }
.capability p:not(.capability-label) { max-width: 580px; margin: 0; color: #71687e; font-size: 13px; line-height: 1.55; }
.capability-purple { background: linear-gradient(145deg, #5d3bd0, #7650e6); border-color: #6b48d7; color: white; }
.capability-purple .capability-number { border-color: rgba(255,255,255,.35); color: white; }
.capability-purple .capability-label { color: #ded3ff; }
.capability-purple p:not(.capability-label) { color: #e4dcf8; }
.language-orbit { display: flex; flex-wrap: wrap; gap: 8px; max-width: 470px; margin: 52px 0 36px; transform: rotate(-3deg); }
.language-orbit span { border: 1px solid rgba(255,255,255,.3); border-radius: 999px; padding: 10px 16px; background: rgba(255,255,255,.11); font-weight: 700; }
.latency-dial { width: 145px; height: 145px; display: grid; place-content: center; position: relative; margin: 34px auto 28px; border: 14px solid #e5dcff; border-right-color: var(--violet); border-radius: 50%; text-align: center; }
.latency-dial i { position: absolute; right: 7px; bottom: 2px; width: 28px; height: 2px; background: var(--violet); transform: rotate(-46deg); transform-origin: right; }
.latency-dial strong { font-size: 35px; letter-spacing: -.06em; }
.latency-dial small { color: #796b8c; }
.context-demo { display: grid; gap: 8px; width: min(100%, 540px); margin: 36px 0 28px; }
.context-demo span { padding: 13px 15px; border-radius: 11px; background: #f6f3fb; color: #786e84; font: 12px ui-monospace, monospace; }
.context-demo .wrong { text-decoration: line-through; text-decoration-color: var(--red); }
.context-demo .right { background: #ece8ff; color: #4f378e; box-shadow: inset 4px 0 var(--violet); }
.hotword-stack { display: grid; gap: 9px; margin: 45px 0 30px; }
.hotword-stack span { padding: 13px 14px; border: 1px solid #ddd4f1; border-radius: 11px; background: #f6f2ff; color: #4d387e; font: 700 11px ui-monospace, monospace; }
.hotword-stack span + span { margin-left: 22px; background: white; color: #776d83; }
.capability-dark { grid-column: span 12; min-height: 250px; display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: auto auto auto; column-gap: 70px; align-content: center; background: radial-gradient(circle at 18% 30%, #352468, transparent 42%), var(--ink); color: white; border-color: var(--ink); }
.capability-dark > .capability-number { position: absolute; left: 24px; top: 24px; }
.capability-dark > .polish-line { grid-column: 1; grid-row: 1 / 4; align-self: center; }
.capability-dark > .capability-label,
.capability-dark > h3,
.capability-dark > p:last-child { grid-column: 2; }
.capability-dark > .capability-label { align-self: end; margin-top: 0; }
.capability-dark .capability-number { border-color: #4a405b; color: #c7b8ea; }
.capability-dark .capability-label { color: #bdaaff; }
.capability-dark p:not(.capability-label) { color: #b7afc3; }
.polish-line { margin: 50px 0 38px; font-size: 18px; line-height: 1.55; }
.polish-line s { color: #d66b84; text-decoration-thickness: 2px; }
.polish-line b { color: #65ddb1; }

.results-heading { margin-bottom: 31px; }
.result-tabs { display: flex; gap: 6px; margin-bottom: 14px; }
.result-tabs button { border: 1px solid var(--line); border-radius: 999px; padding: 10px 15px; background: white; color: #70667f; font-size: 12px; cursor: pointer; }
.result-tabs button[aria-selected="true"] { border-color: var(--violet); background: var(--violet); color: white; }
.result-view { display: grid; grid-template-columns: 1.45fr .55fr; min-height: 500px; overflow: hidden; border: 1px solid var(--line); border-radius: 23px; background: white; }
.result-figure { display: grid; place-items: center; min-width: 0; padding: 27px; }
.result-figure img { width: 100%; max-height: 470px; object-fit: contain; }
.result-copy { display: flex; flex-direction: column; padding: 34px; border-left: 1px solid #d9cdf6; background: linear-gradient(145deg, #f5f1ff, #eee7ff); }
.result-number { display: block; margin: 25px 0 2px; font-size: 68px; line-height: .95; letter-spacing: -.07em; }
.result-copy h3 { margin: 8px 0 14px; font-size: 22px; line-height: 1.1; }
.result-copy > p:not(.section-kicker) { color: #665b77; font-size: 13px; line-height: 1.65; }
.result-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: auto; }
.result-tags span { border: 1px solid #d9cdf2; border-radius: 8px; padding: 7px 9px; background: rgba(255,255,255,.72); color: #6e6280; font-size: 10px; }
.evaluation-note { max-width: 970px; margin: 18px 0 0; color: #81778d; font-size: 11px; line-height: 1.6; }

.section-ink { position: relative; overflow: hidden; background: var(--ink); color: white; }
.section-ink::before { content: ""; position: absolute; width: 650px; height: 650px; right: -160px; top: -300px; border: 1px solid #4f3c80; border-radius: 50%; box-shadow: 0 0 0 80px rgba(109,72,229,.04), 0 0 0 160px rgba(109,72,229,.025); }
.section-header-light > p { color: #aca3bb; }
.context-stage { position: relative; overflow: hidden; padding: 30px; border: 1px solid #413650; border-radius: 24px; background: rgba(255,255,255,.025); }
.context-cue { display: grid; grid-template-columns: 180px 1fr; align-items: center; padding-bottom: 24px; border-bottom: 1px solid #3f364d; }
.context-cue span, .context-flow span { color: #91869e; font: 700 9px ui-monospace, monospace; text-transform: uppercase; letter-spacing: .12em; }
.context-cue p { margin: 0; color: #d8d0e0; font-size: 14px; }
code { color: #c5b2ff; font-family: ui-monospace, monospace; }
.context-flow { display: grid; grid-template-columns: 1fr 50px 1fr; align-items: center; padding-block: 40px 24px; }
.context-flow > i { color: #8060e8; font-size: 24px; font-style: normal; text-align: center; }
.context-flow p { margin: 13px 0 0; font-size: 25px; line-height: 1.4; }
mark { border-radius: 5px; padding: 1px 5px; color: white; }
.mark-bad { background: rgba(217,88,115,.24); color: #ff91a7; text-decoration: line-through; }
.mark-good { background: rgba(36,168,122,.24); color: #69ddb4; }
.context-pips { display: flex; gap: 8px; }
.context-pips button { width: 31px; height: 5px; border: 0; border-radius: 99px; background: #494053; cursor: pointer; }
.context-pips button[aria-pressed="true"] { background: var(--violet-bright); }

.architecture-section { display: grid; grid-template-columns: .74fr 1.26fr; gap: 64px; align-items: center; }
.architecture-copy > p:not(.section-kicker) { color: var(--muted); font-size: 15px; line-height: 1.65; }
.architecture-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 13px; margin: 29px 0; }
.architecture-facts div { padding-left: 13px; border-left: 2px solid var(--lavender); }
.architecture-facts dt { font-size: 24px; font-weight: 800; }
.architecture-facts dd { margin: 3px 0 0; color: #7c7387; font-size: 10px; }
.text-link { color: var(--violet); font-size: 13px; font-weight: 750; text-decoration: none; }
.architecture-figure { margin: 0; padding: 19px; border: 1px solid var(--line); border-radius: 23px; background: white; }
.architecture-figure img { display: block; width: 100%; max-height: 590px; object-fit: contain; }
.architecture-figure figcaption { margin-top: 9px; color: #8a8195; font-size: 10px; text-align: center; }

.closing { display: grid; grid-template-columns: 1fr auto; gap: 50px; align-items: end; padding-block: 76px; border-top: 1px solid var(--line); }
.closing h2 { max-width: 850px; }
.closing-actions { justify-content: flex-end; }
.site-footer { padding-block: 28px; border-top: 1px solid var(--line); background: white; }
.site-footer .shell { display: grid; grid-template-columns: 1fr auto auto; gap: 32px; align-items: center; }
.footer-brand img { width: 28px; height: 28px; }
.footer-brand strong { font-size: 14px; }
.footer-brand span { font-size: 13px; }
.site-footer p { margin: 0; color: #857c90; font-size: 10px; }

@media (max-width: 1050px) {
  .hero { grid-template-columns: 1fr 1fr; gap: 34px; }
  .hero h1 { font-size: 64px; }
  .coverage > div { padding-inline: 18px; }
  .proof { grid-template-columns: 1fr 1fr; }
  .proof > * { border-bottom: 1px solid var(--line); }
  .proof > :nth-child(2) { border-right: 0; }
  .proof > :nth-child(3) { padding-left: 0; }
  .capability { grid-column: span 6; }
  .capability-large, .capability-wide, .capability-wide + .capability { grid-column: span 6; }
  .capability-dark { grid-column: span 12; }
  .result-view { grid-template-columns: 1.25fr .75fr; }
  .architecture-section { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .shell { width: min(100% - 36px, var(--shell)); }
  .site-header { height: 70px; }
  .menu-button { display: block; }
  .locale-toggle { margin-left: 8px; }
  .site-nav { display: none; position: absolute; top: 62px; left: 0; right: 0; padding: 16px; border: 1px solid var(--line); border-radius: 14px; background: white; box-shadow: 0 14px 35px rgba(23,19,41,.12); }
  .site-nav.open { display: grid; }
  .site-nav .nav-button { border-radius: 9px; text-align: center; }
  .hero { grid-template-columns: 1fr; padding-block: 53px 40px; }
  .hero h1 { font-size: 58px; }
  .hero-lead { font-size: 16px; }
  .coverage { flex-wrap: wrap; row-gap: 22px; }
  .coverage > div { flex: 1 1 30%; padding-inline: 15px; }
  .audio-console { transform: none; }
  .sample-transcript { min-height: 64px; }
  .proof { grid-template-columns: 1fr; }
  .proof > * { padding: 24px 0; border-right: 0; }
  .proof > :nth-child(3) { padding-left: 0; }
  .section { padding-block: 72px; }
  .section-header { grid-template-columns: 1fr; gap: 19px; margin-bottom: 30px; }
  .capability, .capability-large, .capability-wide, .capability-wide + .capability { grid-column: 1 / -1; }
  .capability { min-height: 325px; }
  .capability-dark { display: flex; min-height: 325px; }
  .capability-dark > .capability-number { position: static; }
  .result-tabs { overflow-x: auto; padding-bottom: 4px; }
  .result-tabs button { flex: 0 0 auto; }
  .result-view { grid-template-columns: 1fr; }
  .result-figure { min-height: 320px; padding: 14px; }
  .result-copy { min-height: 330px; border-left: 0; border-top: 1px solid #d9cdf6; }
  .context-cue { grid-template-columns: 1fr; gap: 9px; }
  .context-flow { grid-template-columns: 1fr; gap: 20px; }
  .context-flow > i { transform: rotate(90deg); }
  .architecture-facts { grid-template-columns: 1fr; }
  .closing { grid-template-columns: 1fr; align-items: start; }
  .closing-actions { justify-content: flex-start; }
  .site-footer .shell { grid-template-columns: 1fr; gap: 12px; }
}

/* Final atlas precedence overrides */
.combination-builder.atlas-composer { min-height: 0; display: grid; grid-template-columns: 1.2fr 1fr 1.15fr; padding: 24px 28px; }
.combination-builder.atlas-composer .combination-actions { margin-top: 0; }
.combination-builder.atlas-composer .combination-code { margin: 0; }
.combination-builder.atlas-composer[hidden] { display: none; }
@media (max-width: 1050px) { .combination-builder.atlas-composer { grid-template-columns: 1fr 1fr; } .combination-builder.atlas-composer .combination-code { grid-column: 1 / -1; } }
@media (max-width: 760px) { .combination-builder.atlas-composer { grid-template-columns: 1fr; padding: 22px; } .combination-builder.atlas-composer .combination-code { grid-column: auto; } }

/* Final stacking order: interactive map first, full-width listening console below. */
.atlas-layout { grid-template-columns: minmax(0,1fr); }
.atlas-map-view { height: auto; min-height: 610px; }
.atlas-player { min-height: 540px; }
.atlas-player .sample-current { min-height: 190px; }
.atlas-player .showcase-selector { grid-template-columns: repeat(8,minmax(0,1fr)); max-height: none; overflow: visible; }
.world-map .map-canvas > img { min-height: 610px; }

@media (max-width: 1050px) {
  .atlas-player .showcase-selector { grid-template-columns: repeat(4,minmax(0,1fr)); }
}

@media (max-width: 760px) {
  .atlas-map-view,.world-map .map-canvas > img { min-height: 390px; }
  .atlas-player { min-height: 600px; }
  .atlas-player .showcase-selector { grid-template-columns: repeat(2,minmax(0,1fr)); }
}

/* Geographic maps: real boundaries with markers projected from longitude/latitude. */
.geographic-map {
  position: absolute;
  inset: 18px;
  width: calc(100% - 36px);
  height: calc(100% - 36px);
  overflow: visible;
}
.world-map .geographic-map,
.china-map .geographic-map {
  inset: 18px;
  width: calc(100% - 36px);
  height: calc(100% - 36px);
}
.geo-region {
  fill: rgba(83,58,150,.075);
  stroke: rgba(92,70,148,.26);
  stroke-width: .7;
  vector-effect: non-scaling-stroke;
  transition: fill .18s ease, stroke .18s ease, filter .18s ease;
}
.geo-region.is-supported {
  fill: rgba(109,72,229,.22);
  stroke: rgba(91,59,191,.58);
  cursor: pointer;
}
.geo-region.is-supported:hover,
.geo-region.is-supported:focus-visible {
  fill: rgba(109,72,229,.45);
  stroke: #6d48e5;
  filter: drop-shadow(0 0 5px rgba(109,72,229,.36));
  outline: none;
}
.china-province {
  fill: rgba(109,72,229,.105);
  stroke: rgba(90,60,170,.43);
  stroke-width: 1;
}
.china-province.is-supported { fill: rgba(109,72,229,.23); }
.geo-marker { cursor: pointer; outline: none; }
.geo-marker circle {
  fill: #6d48e5;
  stroke: rgba(255,255,255,.98);
  stroke-width: 2;
  vector-effect: non-scaling-stroke;
  filter: drop-shadow(0 0 7px rgba(109,72,229,.72));
  transition: r .18s ease, fill .18s ease;
}
.geo-marker text {
  fill: #503b72;
  paint-order: stroke;
  stroke: rgba(255,255,255,.96);
  stroke-width: 5px;
  stroke-linejoin: round;
  font: 800 10px ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: .05em;
  text-anchor: middle;
  opacity: 0;
  pointer-events: none;
  transition: opacity .18s ease;
}
.geo-marker:hover circle,
.geo-marker:focus-visible circle,
.geo-marker.is-active circle { r: 10px; fill: #8f6cff; }
.geo-marker:hover text,
.geo-marker:focus-visible text,
.geo-marker.is-active text { opacity: 1; }
.dialect-geo-marker text { font-size: 12px; }

@media (max-width: 760px) {
  .geographic-map,
  .world-map .geographic-map,
  .china-map .geographic-map { inset: 8px; width: calc(100% - 16px); height: calc(100% - 16px); }
  .geo-marker circle { r: 8px; }
}

/* Map first, listening console second */
.atlas-layout { grid-template-columns: 1fr; }
.atlas-map-view { min-height: 610px; cursor: zoom-in; touch-action: none; }
.atlas-map-view.is-dragging { cursor: grabbing; }
.map-canvas { position: absolute; inset: 0; transform-origin: center; transition: transform .16s ease-out; will-change: transform; }
.atlas-map-view.is-dragging .map-canvas { transition: none; }
.world-map .map-canvas > img { width: 100%; height: 100%; min-height: 610px; padding: 34px; opacity: .32; object-fit: contain; filter: sepia(.2) saturate(1.8) hue-rotate(218deg); }
.china-map .map-canvas > svg { position: absolute; inset: 30px; width: calc(100% - 60px); height: calc(100% - 60px); }
.atlas-player { min-height: 0; }
.atlas-player .sample-current { min-height: 190px; }
.atlas-player .showcase-selector { grid-template-columns: repeat(8,minmax(0,1fr)); max-height: none; overflow: visible; }
.map-controls { position: absolute; z-index: 12; top: 22px; right: 22px; display: flex; gap: 6px; padding: 6px; border: 1px solid rgba(109,72,229,.18); border-radius: 13px; background: rgba(255,255,255,.88); box-shadow: 0 10px 28px rgba(61,40,119,.12); backdrop-filter: blur(12px); }
.map-controls button { min-width: 35px; height: 35px; padding: 0 10px; border: 1px solid #ddd4f5; border-radius: 8px; background: white; color: #533a96; font-weight: 800; cursor: pointer; }
.map-controls button:last-child { font-size: 9px; text-transform: uppercase; letter-spacing: .06em; }
.map-controls button:hover,.map-controls button:focus-visible { border-color: #8f73e7; background: #f3efff; outline: none; }

@media (max-width: 1050px) {
  .atlas-player .showcase-selector { grid-template-columns: repeat(4,minmax(0,1fr)); }
}
@media (max-width: 760px) {
  .atlas-map-view,.world-map .map-canvas > img { min-height: 390px; }
  .atlas-player .showcase-selector { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .map-controls { top: 13px; right: 13px; }
  .map-controls button { min-width: 32px; height: 32px; }
}

/* Interactive geographic audio atlas */
.atlas-section { padding-top: 104px; }
.atlas-switch { margin: 0 0 18px; }
.atlas-layout { display: grid; grid-template-columns: minmax(0,1.08fr) minmax(420px,.92fr); gap: 18px; align-items: stretch; }
.atlas-map { min-width: 0; }
.atlas-map-view { height: 100%; min-height: 690px; }
.atlas-map-view[hidden] { display: none !important; }
.atlas-map-view.world-map > img { min-height: 690px; padding: 26px; opacity: .32; }
.atlas-player { min-height: 690px; padding: 26px; transform: none; }
.atlas-player .waveform { height: 110px; margin: 16px 0 8px; gap: 5px; }
.atlas-player .sample-current { min-height: 250px; align-items: center; }
.atlas-player .sample-current > div { min-width: 0; }
.atlas-player .sample-current h3 { margin: 12px 0; color: white; font-size: clamp(28px,3vw,43px); line-height: 1.05; letter-spacing: -.04em; }
.atlas-player .sample-transcript { min-height: 76px; color: #f1ecfa; font-size: 17px; line-height: 1.55; }
.atlas-player .sample-translation { min-height: 42px; color: #aca2b8; font-size: 12px; line-height: 1.55; }
.atlas-player .play-button:disabled { opacity: .3; cursor: not-allowed; box-shadow: none; }
.atlas-hint { margin: 15px 0 10px; color: #8f849d; font-size: 10px; }
.atlas-player .showcase-selector { grid-template-columns: repeat(3,minmax(0,1fr)); max-height: 180px; margin-top: 0; padding-right: 4px; overflow-y: auto; }
.atlas-player .showcase-chip.is-pending { opacity: .45; }
.atlas-composer { min-height: 0; display: grid; grid-template-columns: 1.2fr 1fr 1.15fr; column-gap: 28px; align-items: center; margin-top: 18px; padding: 24px 28px; border-radius: 20px 20px 58px 20px; }
.atlas-composer h3 { margin: 7px 0 0; font-size: 25px; }
.atlas-composer .combination-actions { margin-top: 0; }
.atlas-composer .combination-code { margin: 0; }

.language-map-points,.dialect-map-points { position: absolute; inset: 26px; z-index: 4; pointer-events: none; }
.map-marker { position: absolute; left: var(--left); top: var(--top); width: 28px; height: 28px; padding: 0; transform: translate(-50%,-50%); border: 0; background: transparent; pointer-events: auto; cursor: pointer; }
.map-marker i { position: absolute; inset: 8px; border: 1px solid rgba(255,255,255,.95); border-radius: 50%; background: #6d48e5; box-shadow: 0 0 0 5px rgba(109,72,229,.13),0 0 18px rgba(109,72,229,.52); transition: transform .2s,box-shadow .2s; }
.map-marker b { position: absolute; left: 50%; bottom: 25px; padding: 4px 6px; transform: translateX(-50%) translateY(3px); border: 1px solid #d8ccf8; border-radius: 6px; background: rgba(255,255,255,.96); color: #503b72; font: 800 8px ui-monospace,monospace; letter-spacing: .06em; opacity: 0; transition: opacity .16s,transform .16s; white-space: nowrap; }
.map-marker:hover,.map-marker:focus-visible { z-index: 8; outline: none; }
.map-marker:hover i,.map-marker:focus-visible i,.map-marker[aria-pressed="true"] i { transform: scale(1.55); box-shadow: 0 0 0 8px rgba(109,72,229,.15),0 0 25px rgba(109,72,229,.72); }
.map-marker:hover b,.map-marker:focus-visible b,.map-marker[aria-pressed="true"] b { opacity: 1; transform: translateX(-50%) translateY(0); }
.map-marker.is-pending i { background: #a8a0b8; box-shadow: 0 0 0 4px rgba(110,100,130,.1); }
.china-map { position: relative; overflow: hidden; min-height: 690px; border: 1px solid var(--line); border-radius: 24px; background: radial-gradient(circle at 35% 40%,rgba(127,83,235,.2),transparent 42%),linear-gradient(145deg,#faf8ff,#eee8ff); }
.china-map svg { position: absolute; inset: 30px; width: calc(100% - 60px); height: calc(100% - 60px); }
.china-outline,.china-island { fill: rgba(109,72,229,.12); stroke: rgba(102,73,177,.38); stroke-width: 3; vector-effect: non-scaling-stroke; }
.china-map::before { content:"CHINA DIALECT MAP"; position:absolute; left:28px; top:26px; z-index:2; color:#755add; font:800 10px ui-monospace,monospace; letter-spacing:.13em; }
.china-map .dialect-map-points { inset: 30px; }

@media (max-width: 1050px) {
  .atlas-layout { grid-template-columns: 1fr; }
  .atlas-map-view,.atlas-map-view.world-map > img,.china-map,.atlas-player { min-height: 560px; }
  .atlas-composer { grid-template-columns: 1fr 1fr; row-gap: 20px; }
  .atlas-composer .combination-code { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
  .atlas-section { padding-top: 72px; }
  .atlas-map-view,.atlas-map-view.world-map > img,.china-map { min-height: 390px; }
  .atlas-player { min-height: 600px; }
  .atlas-player .showcase-selector { grid-template-columns: repeat(2,minmax(0,1fr)); max-height: 220px; }
  .atlas-player .sample-current { min-height: 265px; }
  .atlas-composer { grid-template-columns: 1fr; padding: 22px; }
  .atlas-composer .combination-code { grid-column: auto; }
  .language-map-points,.china-map .dialect-map-points { inset: 12px; }
  .map-marker { width: 22px; height: 22px; }
  .map-marker i { inset: 6px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}

/* Expanded demo modules */
.demo-switch, .example-switch {
  display: inline-flex;
  gap: 6px;
  padding: 5px;
  margin-bottom: 22px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.78);
}
.demo-switch button, .example-switch button {
  border: 0;
  border-radius: 999px;
  padding: 10px 16px;
  background: transparent;
  color: #716881;
  font-size: 12px;
  font-weight: 750;
  cursor: pointer;
}
.demo-switch button[aria-selected="true"], .example-switch button[aria-selected="true"] { background: var(--violet); color: white; }
.audio-atlas { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.audio-card { min-width: 0; display: grid; grid-template-columns: 42px 1fr; gap: 13px; align-items: start; min-height: 154px; padding: 18px; border: 1px solid #ddd5ef; border-radius: 18px; background: rgba(255,255,255,.88); transition: transform .2s, border-color .2s, box-shadow .2s; }
.audio-card:hover { transform: translateY(-2px); border-color: #beaef0; box-shadow: 0 12px 30px rgba(71,48,132,.08); }
.atlas-play { width: 40px; height: 40px; border: 1px solid #d4c8f6; border-radius: 50%; background: #f2edff; color: var(--violet); cursor: pointer; }
.atlas-play.is-playing { background: var(--violet); color: white; box-shadow: 0 0 0 6px rgba(109,72,229,.12); }
.atlas-play:disabled { border-color: #e0dbe8; background: #f4f1f6; color: #aaa2b2; cursor: not-allowed; }
.audio-card span { color: var(--violet); font: 750 9px ui-monospace, monospace; text-transform: uppercase; letter-spacing: .08em; }
.audio-card h3 { margin: 7px 0 8px; font-size: 17px; letter-spacing: -.025em; }
.audio-card p { margin: 0; color: #665d73; font-size: 12px; line-height: 1.5; overflow-wrap: anywhere; }
.audio-card small { display: block; margin-top: 9px; padding-top: 9px; border-top: 1px solid #eee9f7; color: #8a8095; font-size: 10px; line-height: 1.45; }
.audio-card-disabled { opacity: .72; }

.prompt-strip { display: grid; grid-template-columns: 1.25fr 1fr 1fr 1fr; gap: 9px; padding: 12px; margin-bottom: 26px; border: 2px solid #b9a9ef; border-radius: 18px 18px 58px 18px; background: linear-gradient(120deg,#faf8ff,#eee8ff); }
.prompt-strip span, .prompt-strip strong { display: grid; place-items: center; min-height: 54px; padding: 8px 13px; border: 1px solid #cec2f6; border-radius: 13px; background: rgba(255,255,255,.74); font-size: 15px; text-align: center; }
.prompt-strip strong { color: white; background: linear-gradient(135deg,#7956e9,#5e39cf); }
.language-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 8px; }
.language-grid div { display: grid; grid-template-columns: 32px 1fr auto; align-items: center; gap: 8px; padding: 11px 12px; border: 1px solid var(--line); border-radius: 11px; background: white; }
.language-grid b { color: var(--violet); font: 800 10px ui-monospace, monospace; text-transform: uppercase; }
.language-grid span { min-width: 0; overflow: hidden; font-size: 11px; font-weight: 700; text-overflow: ellipsis; }
.language-grid small { color: #8e8499; font-size: 9px; }

.experience-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.experience-card { min-height: 290px; display: flex; flex-direction: column; padding: 26px; border: 1px solid #4a3c62; border-radius: 22px; background: linear-gradient(145deg,rgba(255,255,255,.06),rgba(109,72,229,.1)); color: white; text-decoration: none; transition: transform .2s, border-color .2s, background .2s; }
.experience-card:hover { transform: translateY(-4px); border-color: #9a7ff0; background: linear-gradient(145deg,rgba(255,255,255,.08),rgba(109,72,229,.18)); }
.experience-card span { color: #bdaaff; font: 750 10px ui-monospace, monospace; text-transform: uppercase; letter-spacing: .11em; }
.experience-card h3 { margin: 54px 0 12px; font-size: 24px; line-height: 1.08; letter-spacing: -.04em; overflow-wrap: anywhere; }
.experience-card p { margin: 0; color: #afa6ba; font-size: 13px; line-height: 1.55; }
.experience-card b { margin-top: auto; color: #d7cbff; font-size: 11px; }

.paper-gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 74px; }
.paper-gallery figure { overflow: hidden; margin: 0; border: 1px solid var(--line); border-radius: 17px; background: white; }
.paper-gallery a { height: 230px; display: grid; place-items: center; padding: 14px; background: #faf9fd; }
.paper-gallery img { width: 100%; height: 100%; object-fit: contain; transition: transform .25s; }
.paper-gallery a:hover img { transform: scale(1.018); }
.paper-gallery figcaption { min-height: 67px; padding: 14px 16px; color: #645b72; font-size: 11px; line-height: 1.45; }
.paper-gallery figcaption span { display: block; margin-bottom: 4px; color: var(--violet); font: 800 9px ui-monospace, monospace; text-transform: uppercase; letter-spacing: .12em; }

.result-details { display: grid; gap: 10px; margin-top: 58px; }
.result-details details { width: 100%; min-width: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 15px; background: white; }
.result-details summary { padding: 18px 20px; color: var(--ink); font-size: 14px; font-weight: 750; cursor: pointer; }
.result-details summary span { display: inline-block; margin-right: 9px; color: var(--violet); font: 800 10px ui-monospace, monospace; text-transform: uppercase; letter-spacing: .1em; }
.table-scroll { width: 100%; min-width: 0; max-width: 100%; overflow-x: auto; padding: 0 18px 18px; }
.table-scroll + .table-scroll, .table-scroll table + table { margin-top: 28px; }
table { width: 100%; border-collapse: collapse; font-size: 10px; }
caption { padding: 9px 0; color: var(--violet); font: 750 10px ui-monospace, monospace; text-align: left; text-transform: uppercase; letter-spacing: .08em; }
th, td { padding: 9px 10px; border-bottom: 1px solid #ebe6f3; text-align: left; white-space: nowrap; }
th { position: sticky; top: 0; background: #f1edfd; color: #4b3b72; font-weight: 800; }
tbody tr:hover { background: #faf8ff; }

.example-switch { border-color: #493b5d; background: rgba(255,255,255,.035); }
.example-switch button { color: #aaa0b6; }
.example-panel { min-height: 520px; padding: 24px; border: 1px solid #413650; border-radius: 23px; background: rgba(255,255,255,.025); }
.correction-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.correction-grid article { min-height: 173px; padding: 18px; border: 1px solid #463953; border-radius: 15px; background: rgba(255,255,255,.025); }
.correction-grid article > span { color: #a792ea; font: 750 9px ui-monospace, monospace; text-transform: uppercase; letter-spacing: .1em; }
.correction-grid article > p { min-height: 42px; margin: 12px 0 19px; color: #c9c1d2; font-size: 12px; line-height: 1.5; }
.correction-grid article > div { display: grid; grid-template-columns: 1fr 26px 1fr; align-items: center; gap: 8px; padding-top: 14px; border-top: 1px solid #40364c; font-size: 13px; }
.correction-grid s { color: #f08399; text-decoration-thickness: 2px; }
.correction-grid b { color: #8062df; text-align: center; }
.correction-grid strong { color: #68dbb3; }
.example-lead { display: grid; grid-template-columns: .65fr 1.35fr; gap: 35px; }
.example-lead h3 { margin: 16px 0 14px; font-size: 35px; line-height: 1.03; letter-spacing: -.045em; }
.example-lead > div > p:not(.section-kicker) { color: #aaa1b4; font-size: 13px; line-height: 1.6; }
.example-panel table { color: #d3cbdc; }
.example-panel th { background: #342c41; color: #c7b8f6; }
.example-panel td { border-color: #42384d; }
.example-panel tbody tr:hover { background: rgba(255,255,255,.03); }
.example-visual { width: 100%; margin-top: 25px; border-radius: 12px; background: white; }
.polish-gallery { display: grid; grid-template-columns: 1.35fr .65fr; gap: 16px; }
.polish-gallery figure { margin: 0; display: flex; flex-direction: column; padding: 15px; border: 1px solid #453951; border-radius: 16px; background: white; }
.polish-gallery img { width: 100%; flex: 1; min-height: 0; object-fit: contain; }
.polish-gallery figcaption { padding-top: 12px; color: #71687e; font-size: 10px; }

@media (max-width: 1120px) {
  .site-nav { gap: 13px; }
  .site-nav a { font-size: 12px; }
  .audio-atlas { grid-template-columns: repeat(3, 1fr); }
  .language-grid { grid-template-columns: repeat(4, 1fr); }
  .paper-gallery { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 760px) {
  .brand strong { font-size: 15px; }
  .demo-switch, .example-switch { width: 100%; overflow-x: auto; border-radius: 14px; }
  .demo-switch button, .example-switch button { flex: 0 0 auto; }
  .audio-atlas { grid-template-columns: 1fr; }
  .audio-card { min-height: 132px; }
  .prompt-strip { grid-template-columns: 1fr 1fr; border-radius: 16px 16px 42px 16px; }
  .language-grid { grid-template-columns: 1fr 1fr; }
  .experience-grid { grid-template-columns: 1fr; }
  .experience-card { min-height: 235px; }
  .paper-gallery { grid-template-columns: 1fr; }
  .paper-gallery a { height: 245px; }
  .correction-grid { grid-template-columns: 1fr; }
  .example-lead, .polish-gallery { grid-template-columns: 1fr; }
  .example-panel { padding: 14px; }
}

/* Purpose-led paper narrative */
.hero-overview { align-self: center; overflow: hidden; margin: 0; border: 1px solid var(--line); border-radius: 24px; background: rgba(255,255,255,.9); box-shadow: 0 28px 70px rgba(69,44,132,.12); }
.hero-overview img { display: block; width: 100%; min-height: 390px; padding: 15px; object-fit: contain; background: linear-gradient(145deg,#fff,#f5f1ff); }
.hero-overview figcaption, .dialect-evidence figcaption, .streaming-evidence figcaption, .training-story figcaption { padding: 12px 15px; color: #756b82; font-size: 10px; line-height: 1.5; }
.hero-overview figcaption span, .training-story figcaption span { margin-right: 7px; color: var(--violet); font: 800 9px ui-monospace, monospace; text-transform: uppercase; letter-spacing: .1em; }

.audio-showcase { width: 100%; padding: 30px 34px 34px; transform: none; }
.audio-showcase .waveform { height: 150px; max-width: 820px; gap: 7px; margin: 24px 0 12px; }
.audio-showcase .sample-current { min-height: 184px; align-items: center; }
.audio-showcase .sample-current > div { max-width: 920px; }
.audio-showcase .sample-current h2 { font-size: clamp(30px,3.1vw,45px); }
.audio-showcase .sample-transcript { max-width: 900px; min-height: 0; color: #f2edf9; font-size: clamp(17px,1.7vw,24px); }
.sample-translation { max-width: 900px; margin: 10px 0 0; color: #aaa0ba; font-size: 12px; line-height: 1.55; }
.audio-showcase .play-button { width: 78px; height: 78px; font-size: 25px; box-shadow: 0 0 0 12px rgba(109,72,229,.16); }
.showcase-selector { display: grid; grid-template-columns: repeat(8,minmax(0,1fr)); gap: 8px; margin-top: 23px; }
.showcase-chip { min-width: 0; display: grid; grid-template-columns: auto 1fr; align-items: center; gap: 8px; padding: 10px 11px; border: 1px solid #473e59; border-radius: 11px; background: rgba(255,255,255,.025); color: #b8afc3; text-align: left; cursor: pointer; }
.showcase-chip b { display: grid; place-items: center; min-width: 29px; height: 29px; border-radius: 8px; background: #332656; color: #bda8ff; font: 800 10px ui-monospace,monospace; }
.showcase-chip span { min-width: 0; overflow: hidden; font-size: 10px; font-weight: 700; text-overflow: ellipsis; white-space: nowrap; }
.showcase-chip[aria-pressed="true"] { border-color: #9679ef; background: #34255f; color: white; box-shadow: 0 0 0 3px rgba(109,72,229,.12); }
.showcase-chip:disabled { opacity: .38; cursor: not-allowed; }
.dialect-evidence { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 32px; }
.dialect-evidence figure, .streaming-evidence figure, .training-story figure { overflow: hidden; margin: 0; border: 1px solid var(--line); border-radius: 18px; background: white; }
.dialect-evidence img, .streaming-evidence img, .training-story img { display: block; width: 100%; height: 290px; padding: 12px; object-fit: contain; background: #fbfaff; }

.world-language-stage { display: grid; grid-template-columns: 1.22fr .78fr; gap: 18px; }
.world-map { position: relative; overflow: hidden; min-height: 470px; border: 1px solid var(--line); border-radius: 24px; background: radial-gradient(circle at 70% 18%,rgba(139,106,242,.16),transparent 30%),linear-gradient(145deg,#f8f5ff,#ece6ff); }
.world-map > img { width: 100%; height: 100%; min-height: 470px; padding: 35px; opacity: .25; object-fit: contain; filter: sepia(.2) saturate(1.8) hue-rotate(218deg); }
.language-map-points { position: absolute; inset: 35px; z-index: 1; pointer-events: none; }
.language-map-points > span { position: absolute; left: var(--left); top: var(--top); width: 12px; height: 12px; transform: translate(-50%,-50%); pointer-events: auto; }
.language-map-points i { position: absolute; inset: 2px; border: 1px solid rgba(255,255,255,.9); border-radius: 50%; background: #6d48e5; box-shadow: 0 0 0 4px rgba(109,72,229,.13),0 0 18px rgba(109,72,229,.55); animation: languageGlow 2.4s ease-in-out infinite alternate; }
.language-map-points b { position: absolute; z-index: 3; left: 50%; bottom: 15px; padding: 3px 5px; border: 1px solid #d9cef7; border-radius: 5px; background: rgba(255,255,255,.96); color: #564076; font: 800 7px ui-monospace,monospace; letter-spacing: .05em; opacity: 0; transform: translateX(-50%) translateY(3px); transition: opacity .15s,transform .15s; white-space: nowrap; }
.language-map-points > span:hover { z-index: 5; }.language-map-points > span:hover b,.language-map-points > span:focus-within b { opacity: 1; transform: translateX(-50%) translateY(0); }
.language-map-points > span:nth-child(3n) i { animation-delay: -.8s; }.language-map-points > span:nth-child(3n+1) i { animation-delay: -1.6s; }
@keyframes languageGlow { to { transform: scale(1.35); box-shadow: 0 0 0 6px rgba(109,72,229,.07),0 0 22px rgba(109,72,229,.72); } }
.map-pulse { position: absolute; width: 18px; height: 18px; border: 4px solid rgba(109,72,229,.45); border-radius: 50%; background: var(--violet); box-shadow: 0 0 0 9px rgba(109,72,229,.11); animation: mapPulse 2.2s ease-out infinite; }
.map-asia { left: 70%; top: 43%; }.map-europe { left: 50%; top: 32%; animation-delay: -.7s; }.map-americas { left: 22%; top: 42%; animation-delay: -1.4s; }
@keyframes mapPulse { 70%,100% { box-shadow: 0 0 0 25px rgba(109,72,229,0); } }
.map-count { position: absolute; left: 28px; bottom: 27px; display: flex; align-items: end; gap: 12px; padding: 15px 18px; border: 1px solid rgba(255,255,255,.7); border-radius: 15px; background: rgba(255,255,255,.82); backdrop-filter: blur(13px); }
.map-count strong { color: var(--violet); font-size: 44px; line-height: .8; letter-spacing: -.06em; }.map-count span { color: #60566f; font-size: 11px; font-weight: 750; }
.combination-builder { display: flex; flex-direction: column; min-height: 470px; padding: 30px; border: 1px solid #cabcf5; border-radius: 24px 24px 76px 24px; background: linear-gradient(145deg,#fff,#eee8ff); }
.combination-builder h3 { margin: 14px 0 28px; font-size: 32px; line-height: 1.05; letter-spacing: -.04em; }
.selected-languages { display: flex; flex-wrap: wrap; gap: 9px; }
.selected-languages button { display: grid; grid-template-columns: auto 1fr auto; column-gap: 8px; align-items: center; padding: 10px 11px; border: 1px solid #d6caf6; border-radius: 12px; background: white; color: var(--ink); cursor: pointer; }
.selected-languages button > span { grid-row: 1 / 3; font-size: 19px; }.selected-languages b { font-size: 11px; text-align: left; }.selected-languages small { grid-column: 2; color: #8a8096; font-size: 9px; text-align: left; }.selected-languages i { grid-column: 3; grid-row: 1 / 3; color: #aa9eb8; font-style: normal; }
.combination-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 26px; }
.combination-actions button { min-height: 46px; border: 1px solid #cabcf3; border-radius: 11px; background: rgba(255,255,255,.7); color: #423464; cursor: pointer; }
.combination-actions button:last-child { border-color: #6d48e5; background: var(--violet); color: white; }
.combination-code { margin: auto 0 0; padding: 14px; overflow-x: auto; border-radius: 11px; background: var(--ink); white-space: nowrap; }
.language-directory { margin-top: 18px; border: 1px solid var(--line); border-radius: 15px; background: white; }
.language-directory summary { padding: 17px 20px; color: #4e4167; font-size: 12px; font-weight: 800; cursor: pointer; }
.language-directory .language-grid { padding: 0 18px 18px; }

.streaming-layout { display: grid; grid-template-columns: 1.24fr .76fr; gap: 18px; align-items: stretch; }
.video-frame { overflow: hidden; min-height: 570px; display: flex; flex-direction: column; border: 1px solid #bfaef5; border-radius: 24px; background: radial-gradient(circle at 10% 0,#3a226f,transparent 40%),#171329; color: white; box-shadow: 0 24px 60px rgba(71,48,132,.16); }
.video-topline { display: flex; align-items: center; gap: 10px; padding: 18px 21px; border-bottom: 1px solid #3a3149; color: #aea4bc; font-size: 11px; }.video-topline span { margin-right: auto; font: 750 9px ui-monospace,monospace; text-transform: uppercase; letter-spacing: .11em; }.video-topline b:last-child { color: #bca7ff; }.video-topline i { color: #776c83; font-style: normal; }
.video-mock { display: grid; grid-template-columns: 1fr 1fr; flex: 1; }
.video-mock > div { position: relative; padding: 34px; border-right: 1px solid #3a3149; }.video-mock > div:last-child { border-right: 0; background: rgba(109,72,229,.07); }
.video-mock small { color: #9d90ae; font: 800 9px ui-monospace,monospace; letter-spacing: .11em; }.video-mock > div:last-child small { color: #bda7ff; }
.video-mock p { margin-top: 70px; color: #e6dfef; font-size: 23px; line-height: 1.65; }.video-mock > div:first-child p { color: #aaa1b4; }
.typing-caret { display: inline-block; width: 2px; height: 22px; background: #a589ff; animation: blink 1s steps(1) infinite; } @keyframes blink { 50% { opacity: 0; } }
.video-pending { display: grid; grid-template-columns: auto 1fr; gap: 16px; align-items: center; padding: 16px 21px; border-top: 1px solid #3a3149; background: rgba(255,255,255,.035); }.video-pending strong { color: #c8b7ff; font-size: 11px; }.video-pending span { color: #91869d; font-size: 10px; line-height: 1.5; }
.streaming-evidence { display: grid; gap: 18px; }.streaming-evidence figure { display: flex; flex-direction: column; }.streaming-evidence img { height: 230px; flex: 1; }

.training-story { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 12px; }
.training-story img { height: 350px; }

@media (max-width: 1050px) {
  .showcase-selector { grid-template-columns: repeat(4,minmax(0,1fr)); }
  .world-language-stage, .streaming-layout { grid-template-columns: 1fr; }
  .streaming-evidence { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .hero-overview img { min-height: 0; }
  .audio-showcase { padding: 22px 18px 24px; }
  .audio-showcase .waveform { height: 95px; gap: 4px; }
  .audio-showcase .sample-current { min-height: 210px; align-items: end; }
  .audio-showcase .play-button { width: 58px; height: 58px; }
  .showcase-selector { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .dialect-evidence, .training-story, .streaming-evidence { grid-template-columns: 1fr; }
  .dialect-evidence img, .training-story img { height: auto; min-height: 210px; }
  .world-map, .world-map > img { min-height: 320px; }
  .combination-builder { min-height: 430px; padding: 23px; border-radius: 20px 20px 55px 20px; }
  .combination-actions { grid-template-columns: 1fr; }
  .language-directory .language-grid { grid-template-columns: 1fr; }
  .video-frame { min-height: 620px; }
  .video-topline { flex-wrap: wrap; }.video-topline span { width: 100%; }
  .video-mock { grid-template-columns: 1fr; }.video-mock > div { padding: 24px; border-right: 0; border-bottom: 1px solid #3a3149; }.video-mock > div:last-child { border-bottom: 0; }.video-mock p { margin-top: 24px; font-size: 18px; }
  .video-pending { grid-template-columns: 1fr; }
  .result-details, .example-panel, .example-lead { min-width: 0; }
}

/* Focused revision: coverage, streaming, and evidence density */
.dialect-cluster { position: absolute; z-index: 2; left: 63%; top: 37%; width: 220px; padding: 9px 12px; border: 1px solid rgba(109,72,229,.22); border-radius: 12px; background: rgba(255,255,255,.92); box-shadow: 0 10px 30px rgba(64,43,120,.12); }
.dialect-cluster summary { display: grid; grid-template-columns: auto auto 1fr; align-items: center; column-gap: 8px; list-style: none; cursor: pointer; }.dialect-cluster summary::-webkit-details-marker { display: none; }
.dialect-cluster i { width: 12px; height: 12px; border: 3px solid #c8b8fa; border-radius: 50%; background: var(--violet); box-shadow: 0 0 0 7px rgba(109,72,229,.1); }
.dialect-cluster b { color: var(--violet); font-size: 18px; line-height: 1; }.dialect-cluster small { color: #6f657d; font-size: 8px; white-space: nowrap; }.dialect-cluster p { margin: 11px 0 2px; padding-top: 10px; border-top: 1px solid #e6dff7; color: #6b6177; font-size: 8px; line-height: 1.55; }

.streaming-player { min-height: 650px; }
.streaming-audio-control { display: grid; grid-template-columns: auto 1fr auto; gap: 15px; align-items: center; padding: 20px 24px; border-bottom: 1px solid #3a3149; background: rgba(255,255,255,.025); }
.streaming-audio-control button { width: 52px; height: 52px; border: 0; border-radius: 50%; background: var(--violet); color: white; cursor: pointer; box-shadow: 0 0 0 8px rgba(109,72,229,.14); }
.streaming-audio-control button:disabled { background: #514566; color: #9f96aa; cursor: not-allowed; box-shadow: 0 0 0 8px rgba(255,255,255,.035); }
.streaming-audio-control > div:nth-child(2) { display: grid; gap: 4px; }.streaming-audio-control b { color: white; font-size: 13px; }.streaming-audio-control span { color: #998faa; font-size: 10px; }
.stream-time { display: flex; gap: 6px; align-items: center; font: 700 10px ui-monospace,monospace; }.stream-time i { color: #5f556b; font-style: normal; }
.streaming-player .video-mock { min-height: 450px; }
.streaming-player .video-mock p { min-height: 180px; margin-top: 54px; }
.streaming-player .typing-caret { opacity: 0; }.streaming-player.is-playing .typing-caret { opacity: 1; }
.stream-track { height: 5px; background: #30283c; }.stream-track span { display: block; width: 0; height: 100%; background: linear-gradient(90deg,#8561ef,#b9a5ff); }

.result-view { grid-template-columns: minmax(0,1fr) 320px; min-height: 0; }
.result-figure { min-height: 610px; padding: 10px; }
.result-figure img { width: 100%; height: 590px; max-height: none; object-fit: contain; }
.result-copy { padding: 28px; }
.example-panel { min-height: 0; }
.example-lead { align-items: start; }
.example-lead .table-scroll { padding-inline: 0; }
.correction-grid article { min-height: 0; }

.polishing-redesign { display: grid; grid-template-columns: .76fr 1.24fr; gap: 18px; }
.polishing-intro { min-height: 520px; display: flex; flex-direction: column; padding: 34px; border: 1px solid #5a4778; border-radius: 18px; background: radial-gradient(circle at 75% 12%,rgba(126,84,235,.25),transparent 36%),#211936; }
.polishing-intro h3 { margin: 18px 0 16px; color: white; font-size: 38px; line-height: 1.05; letter-spacing: -.045em; }.polishing-intro > p:not(.section-kicker) { color: #aaa0b5; font-size: 13px; line-height: 1.65; }
.polish-score-grid { display: grid; gap: 8px; margin-top: auto; }
.polish-score-grid > div { display: grid; grid-template-columns: 1fr auto auto auto auto; align-items: end; gap: 8px; padding: 12px 13px; border: 1px solid #4a3b5c; border-radius: 13px; background: rgba(255,255,255,.025); }
.polish-score-grid span { align-self: center; color: #c8bed3; font-size: 9px; font-weight: 750; line-height: 1.25; }
.polish-score-grid b { color: white; font-size: 22px; line-height: 1; letter-spacing: -.04em; }
.polish-score-grid small { color: #91869d; font-size: 7px; line-height: 1.2; }
.polish-score-grid .metric-highlight { border-color: #9679ef; background: linear-gradient(100deg,rgba(109,72,229,.9),rgba(126,84,235,.55)); box-shadow: 0 8px 25px rgba(109,72,229,.18); }
.polish-score-grid .metric-highlight span,.polish-score-grid .metric-highlight small { color: #e8e0ff; }
.polish-transformations { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }.polish-transformations article { min-height: 254px; display: flex; flex-direction: column; padding: 24px; border: 1px solid #4a3b5c; border-radius: 17px; background: linear-gradient(145deg,rgba(255,255,255,.055),rgba(109,72,229,.055)); }.polish-transformations span { color: #a78cf5; font: 800 9px ui-monospace,monospace; text-transform: uppercase; letter-spacing: .1em; }.polish-transformations s { margin-top: auto; color: #e37f95; font-size: 13px; line-height: 1.55; text-decoration-thickness: 2px; }.polish-transformations strong { margin-top: 15px; color: #d9ccff; font-size: 18px; line-height: 1.35; }.polish-transformations p { margin: 5px 0 0; color: #aca2b7; font-size: 12px; line-height: 1.45; }

.site-footer .shell { display: flex; justify-content: center; }

@media (max-width: 1050px) {
  .result-view { grid-template-columns: 1fr; }.result-copy { min-height: 290px; border-left: 0; border-top: 1px solid #d9cdf6; }
  .polishing-redesign { grid-template-columns: 1fr; }.polishing-intro { min-height: 400px; }
}

@media (max-width: 760px) {
  .dialect-cluster { left: auto; right: 12px; top: 22%; width: 190px; }.map-count { left: 16px; bottom: 16px; }.map-count strong { font-size: 35px; }
  .streaming-player { min-height: 700px; }.streaming-audio-control { grid-template-columns: auto 1fr; }.stream-time { grid-column: 2; }.streaming-player .video-mock { min-height: 480px; }.streaming-player .video-mock p { min-height: 80px; margin-top: 15px; }
  .result-figure { min-height: 330px; }.result-figure img { height: auto; max-height: 430px; }
  .language-map-points { inset: 18px; }
  .language-map-points i { inset: 3px; }
  .polish-transformations { grid-template-columns: 1fr; }.polishing-intro { min-height: 460px; padding: 24px; }.polish-score-grid > div { grid-template-columns: 1fr auto auto auto auto; gap: 5px; padding-inline: 10px; }.polish-score-grid b { font-size: 18px; }.polish-score-grid small { font-size: 6px; }
}

/* Keep the compact language composer after legacy component rules. */
.combination-builder.atlas-composer { min-height: 0; display: grid; grid-template-columns: 1.2fr 1fr 1.15fr; padding: 24px 28px; }
.combination-builder.atlas-composer .combination-actions { margin-top: 0; }
.combination-builder.atlas-composer .combination-code { margin: 0; }
@media (max-width: 1050px) { .combination-builder.atlas-composer { grid-template-columns: 1fr 1fr; } .combination-builder.atlas-composer .combination-code { grid-column: 1 / -1; } }
@media (max-width: 760px) { .combination-builder.atlas-composer { grid-template-columns: 1fr; padding: 22px; } .combination-builder.atlas-composer .combination-code { grid-column: auto; } }

/* Final atlas layout. Keep this block last so legacy rules cannot restore columns. */
.atlas-layout { grid-template-columns: minmax(0,1fr); }
.atlas-map-view { height: auto; min-height: 610px; }
.atlas-player { min-height: 540px; }
.atlas-player .sample-current { min-height: 190px; }
.atlas-player .showcase-selector { grid-template-columns: repeat(8,minmax(0,1fr)); max-height: none; overflow: visible; }
.world-map .map-canvas > img { min-height: 610px; }

@media (max-width: 1050px) {
  .atlas-player .showcase-selector { grid-template-columns: repeat(4,minmax(0,1fr)); }
}

@media (max-width: 760px) {
  .atlas-map-view,.world-map .map-canvas > img { min-height: 390px; }
  .atlas-player { min-height: 600px; }
  .atlas-player .showcase-selector { grid-template-columns: repeat(2,minmax(0,1fr)); }
}

/* Text is replayed directly from the original video frames. */
.streaming-player { min-height: 0; }
.stream-replay-labels { display: grid; grid-template-columns: 1fr 1fr; background: #171329; }
.stream-replay-labels span { padding: 26px 3.2% 8px; font: 700 12px ui-monospace,monospace; letter-spacing: .08em; color: #c5b7e8; }
.stream-replay-labels span + span { border-left: 1px solid #3a3149; }
.stream-replay-video { display: block; width: 100%; height: auto; background: #171329; }