:root {
  color-scheme: light;
  --paper: #ffffff;
  --surface: #f5f6f8;
  --ink: #1c1c1e;
  --muted: #5c626b;
  --teal: #087f8c;
  --teal-dark: #066b76;
  --tint: #e8f5f5;
  --line: #e3e7e9;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang TC", "Microsoft JhengHei", sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: auto; scroll-padding-top: 100px; }
body { margin: 0; min-width: 320px; background: var(--paper); color: var(--ink); font-size: 16px; line-height: 1.65; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
a { color: inherit; }
img, svg, video { display: block; max-width: 100%; }
figure, p, h1, h2, h3 { margin: 0; }
[hidden] { display: none !important; }
::selection { color: var(--ink); background: #c7e7e9; }
:focus-visible { outline: 3px solid var(--teal); outline-offset: 4px; }

.container { width: min(100% - 48px, 1120px); margin-inline: auto; }
.skip-link { position: fixed; z-index: 100; top: 12px; left: 12px; padding: 10px 16px; background: var(--ink); color: #fff; border-radius: 10px; visibility: hidden; transform: translateY(-160%); }
.skip-link:focus { visibility: visible; transform: translateY(0); }

.site-header { position: relative; z-index: 10; background: #fff; border-bottom: 1px solid var(--line); }
.header-inner { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.brand { display: inline-flex; min-height: 44px; align-items: center; gap: 12px; font-size: 20px; font-weight: 760; line-height: 1; letter-spacing: -.035em; text-decoration: none; white-space: nowrap; }
.brand-mark { display: grid; width: 34px; height: 34px; place-items: center; border-radius: 11px; color: #fff; background: var(--teal); }
.brand-mark svg { width: 25px; height: 25px; }
.brand-zh { font-weight: 680; }
.site-nav { display: flex; align-items: center; gap: 34px; }
.site-nav a { display: inline-flex; min-height: 44px; align-items: center; justify-content: center; color: var(--muted); font-weight: 600; text-decoration: none; transition: color .2s ease, background .2s ease; }
.site-nav a:hover { color: var(--teal); }
.site-nav .nav-download { padding: 0 20px; border-radius: 100px; color: var(--teal); background: var(--tint); }
.site-nav .nav-download:hover { background: #d8eeee; }

.hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .9fr); align-items: center; gap: clamp(38px, 6vw, 95px); padding-top: clamp(72px, 8vw, 124px); padding-bottom: clamp(90px, 10vw, 146px); }
.hero-copy { min-width: 0; }
.eyebrow, .section-label, .panel-kicker { color: var(--teal); font-size: 16px; font-weight: 750; letter-spacing: .045em; }
.eyebrow { display: flex; align-items: center; gap: 10px; margin-bottom: 25px; }
.eyebrow-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--teal); }
.version { font-variant-numeric: tabular-nums; }
.hero h1 { font-size: clamp(58px, 6.3vw, 86px); font-weight: 760; line-height: 1.14; letter-spacing: -.07em; }
.hero-lead { max-width: 570px; margin-top: 31px; color: var(--muted); font-size: 20px; line-height: 1.8; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 24px; margin-top: 38px; }
.button { display: inline-flex; min-height: 56px; align-items: center; justify-content: center; gap: 10px; padding: 12px 22px; border: 1px solid transparent; border-radius: 16px; font-size: 16px; font-weight: 700; line-height: 1.4; text-decoration: none; cursor: pointer; transition: background .2s ease, color .2s ease, transform .2s ease, border-color .2s ease; }
.button svg { width: 20px; height: 20px; flex: none; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #fff; background: var(--teal); }
.button-primary:hover { color: #fff; background: var(--teal-dark); }
.button-text { padding-inline: 10px; color: var(--teal); }
.button-text:hover { color: var(--teal-dark); }
.hero-note { margin-top: 17px; color: var(--muted); font-size: 16px; }
.hero-visual { display: flex; min-height: 570px; flex-direction: column; align-items: center; justify-content: center; gap: 16px; padding: 35px 32px 22px; border-radius: 36px; background: var(--surface); }
.hero-device { position: relative; width: min(100%, 420px); aspect-ratio: 1 / 1.08; overflow: hidden; border: 1px solid #dce1e4; border-radius: 30px; background: #fff; box-shadow: 0 24px 54px rgba(28, 42, 46, .12); }
.hero-device img { width: 100%; height: 100%; object-fit: cover; }
.hero-visual figcaption { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 3px; color: var(--muted); font-size: 16px; text-align: center; }
.hero-expand { display: inline-flex; min-height: 44px; align-items: center; gap: 3px; padding: 0 2px; border: 0; background: transparent; color: var(--teal); font-size: 16px; font-weight: 700; text-decoration: underline; text-underline-offset: 4px; cursor: pointer; }
.hero-expand:hover { color: var(--teal-dark); }

.section { padding-block: clamp(86px, 10vw, 132px); }
.section-heading { max-width: 720px; margin-bottom: 47px; }
.section-label { margin-bottom: 18px; }
h2 { font-size: clamp(36px, 4.5vw, 58px); font-weight: 750; line-height: 1.2; letter-spacing: -.055em; }
.section-heading > p:last-child { margin-top: 19px; color: var(--muted); font-size: 18px; }

.demo-section { background: var(--surface); }
.demo-layout { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); align-items: center; gap: clamp(40px, 7vw, 100px); }
.section-intro h2 { max-width: 440px; }
.section-intro > p:not(.section-label) { max-width: 510px; margin-top: 23px; color: var(--muted); font-size: 18px; line-height: 1.85; }
.section-intro .demo-disclaimer { margin-top: 30px !important; padding-left: 16px; border-left: 2px solid var(--teal); font-size: 16px !important; line-height: 1.7 !important; }
.demo-card { padding: clamp(20px, 3.2vw, 34px); border: 1px solid var(--line); border-radius: 30px; background: #fff; box-shadow: 0 20px 55px rgba(29, 45, 47, .06); }
.demo-card-top { display: flex; min-height: 32px; align-items: center; gap: 9px; font-size: 16px; font-weight: 700; }
.demo-app-dot { width: 10px; height: 10px; flex: none; border-radius: 50%; background: var(--teal); }
.demo-example-tag { margin-left: auto; padding: 3px 10px; border-radius: 100px; color: var(--teal); background: var(--tint); font-size: 14px; }
.demo-input { display: flex; min-height: 170px; align-items: flex-start; margin-top: 26px; padding: 23px 25px; border: 1px solid #dce2e4; border-radius: 20px; background: #fff; font-size: 21px; line-height: 1.7; }
.demo-placeholder { color: #7d858c; }
.demo-output { color: var(--ink); font-weight: 610; }
.demo-script { margin-top: 15px; color: var(--muted); font-size: 16px; line-height: 1.65; }
.demo-script span { color: var(--ink); }
.demo-controls { display: grid; grid-template-columns: 45px 1fr auto; align-items: center; gap: 13px; margin-top: 29px; padding-top: 24px; border-top: 1px solid var(--line); }
.demo-wave { display: flex; width: 40px; height: 36px; align-items: center; justify-content: space-between; gap: 3px; }
.demo-wave i { display: block; width: 3px; height: 8px; border-radius: 100px; background: var(--teal); transform-origin: center; }
.demo-wave i:nth-child(2), .demo-wave i:nth-child(6) { height: 16px; }
.demo-wave i:nth-child(3), .demo-wave i:nth-child(5) { height: 23px; }
.demo-wave i:nth-child(4) { height: 31px; }
.demo-card[data-stage="recording"] .demo-wave i { animation: wave 650ms ease-in-out infinite alternate; }
.demo-card[data-stage="recording"] .demo-wave i:nth-child(2n) { animation-delay: -400ms; }
.demo-card[data-stage="recording"] .demo-wave i:nth-child(3n) { animation-delay: -200ms; }
.demo-card[data-stage="recording"] .demo-app-dot { background: #d85145; box-shadow: 0 0 0 5px rgba(216, 81, 69, .12); }
@keyframes wave { from { transform: scaleY(.4); } to { transform: scaleY(1); } }
.demo-card[data-stage="recording"] .demo-button { animation: action-pop 300ms ease-out; }
.demo-card[data-stage="done"] .demo-output { animation: result-appear 300ms ease-out; }
.speech-turnstile { margin-top: 12px; }
@keyframes action-pop { 0% { transform: scale(.97); } 65% { transform: scale(1.025); } 100% { transform: scale(1); } }
@keyframes result-appear { from { opacity: .25; transform: translateY(5px) scale(.985); } to { opacity: 1; transform: translateY(0) scale(1); } }
.demo-status { color: var(--muted); font-size: 16px; line-height: 1.45; }
.demo-button { min-width: 140px; }
.demo-button:disabled { opacity: .65; cursor: wait; transform: none; }

.features-section { background: #fff; }
.features-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px; }
.feature { padding-top: 26px; border-top: 1px solid #cbd6d8; }
.feature-number { color: var(--teal); font-size: 16px; font-weight: 750; font-variant-numeric: tabular-nums; }
.feature h3 { margin-top: 38px; font-size: 25px; line-height: 1.35; letter-spacing: -.035em; }
.feature p { margin-top: 15px; color: var(--muted); font-size: 17px; line-height: 1.8; }
.feature-example { display: grid; gap: 14px; margin-top: 24px; padding: 21px 19px; border-radius: 20px; background: #f1f7f5; }
.feature-example-row { display: grid; grid-template-columns: 76px minmax(0, 1fr); gap: 10px; align-items: baseline; }
.feature-example-row span { color: var(--teal); font-size: 14px; font-weight: 700; white-space: nowrap; }
.feature-example-row strong { color: var(--ink); font-size: 17px; font-weight: 650; line-height: 1.55; overflow-wrap: anywhere; }
.feature p.feature-note { margin-top: 16px; font-size: 14px; line-height: 1.65; }
.feature-demos { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; margin-top: 64px; }
.feature-demo { min-width: 0; padding: clamp(22px, 3vw, 32px); border: 1px solid var(--line); border-radius: 26px; background: #fbfcfc; }
.feature-demo-head { display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.demo-tag { color: var(--muted); font-size: 13px; font-weight: 650; }
.feature-demo h3 { margin-top: 25px; font-size: clamp(23px, 2.6vw, 30px); line-height: 1.35; letter-spacing: -.035em; }
.feature-demo > p { min-height: 55px; margin-top: 11px; color: var(--muted); font-size: 16px; line-height: 1.7; }
.mini-editor, .mini-output { min-height: 154px; margin-top: 24px; padding: 15px; border: 1px solid #dce5e6; border-radius: 18px; background: #fff; }
.mini-editor { display: grid; align-content: center; gap: 10px; }
.mini-editor-line { display: flex; flex-wrap: wrap; align-items: baseline; gap: 7px 12px; padding: 9px 12px; border-radius: 12px; color: var(--muted); }
.mini-editor-current { color: var(--ink); background: var(--tint); transition: background .25s ease; }
.mini-editor-current.is-converting { background: #d1eeef; }
.mini-editor-kicker { flex: none; color: var(--teal); font-size: 13px; font-weight: 720; }
.mini-editor-line strong { font-size: 17px; font-weight: 690; overflow-wrap: anywhere; }
.mini-speech { display: flex; min-height: 76px; align-items: center; gap: 13px; margin-top: 24px; padding: 14px 15px; border-radius: 18px; color: var(--ink); background: #eaf4f4; font-size: 16px; line-height: 1.5; }
.mini-speaker { display: grid; width: 42px; height: 42px; flex: none; place-items: center; border-radius: 14px; color: var(--teal); background: #fff; }
.mini-speaker svg { width: 30px; height: 30px; }
.speaker-wave { opacity: .5; }
.is-speaking .mini-speaker { animation: speaker-pulse 700ms ease-in-out 2; }
.is-speaking .speaker-wave { animation: speaker-wave 550ms ease-in-out 3 alternate; }
.is-speaking .speaker-wave-outer { animation-delay: 140ms; }
@keyframes speaker-pulse { 50% { transform: scale(1.08); box-shadow: 0 0 0 6px rgba(8,127,140,.11); } }
@keyframes speaker-wave { from { opacity: .15; } to { opacity: 1; } }
.mini-output { position: relative; display: flex; min-height: 84px; align-items: baseline; flex-wrap: wrap; gap: 7px 12px; margin-top: 10px; }
.mini-output > span { color: var(--teal); font-size: 13px; font-weight: 720; }
.mini-output strong { font-size: 18px; font-weight: 700; overflow-wrap: anywhere; }
.typing-caret { display: none; width: 2px; height: 22px; align-self: center; margin-left: -8px; background: var(--teal); }
.is-typing .typing-caret { display: block; animation: typing-caret 600ms step-end infinite; }
@keyframes typing-caret { 50% { opacity: 0; } }
.motion-action { display: inline-flex; min-height: 46px; align-items: center; justify-content: center; gap: 10px; margin-top: 20px; padding: 8px 17px; border: 1px solid #b8d9dc; border-radius: 13px; color: var(--teal); background: #fff; font-size: 15px; font-weight: 740; cursor: pointer; transition: background .2s ease, transform .2s ease; }
.motion-action:hover { background: var(--tint); transform: translateY(-1px); }
.motion-action:disabled { opacity: .72; cursor: wait; transform: none; }

.language-section { background: #f3f8f8; }
.language-layout { display: grid; grid-template-columns: minmax(0, .94fr) minmax(0, 1.06fr); align-items: center; gap: clamp(46px, 7vw, 100px); }
.language-copy h2 { max-width: 560px; font-size: clamp(36px, 3.7vw, 50px); }
.language-lead { max-width: 560px; margin-top: 25px; color: var(--muted); font-size: 19px; line-height: 1.85; }
.language-list { display: flex; flex-wrap: wrap; gap: 9px; margin: 27px 0 0; padding: 0; list-style: none; }
.language-list li { padding: 7px 14px; border: 1px solid #c9dfe1; border-radius: 100px; color: var(--teal-dark); background: #fff; font-size: 15px; font-weight: 700; }
.language-note { max-width: 550px; margin-top: 27px; color: var(--muted); font-size: 14px; line-height: 1.75; }
.language-copy .text-link { margin-top: 21px; }
.language-card { min-width: 0; padding: clamp(20px, 3vw, 32px); border: 1px solid #dbe6e7; border-radius: 30px; background: #fff; box-shadow: 0 22px 60px rgba(26, 48, 51, .07); }
.language-card-head { display: flex; align-items: center; gap: 10px; font-size: 16px; }
.language-card-head strong { font-weight: 750; }
.language-card-head > span:last-child { margin-left: auto; color: var(--muted); font-size: 13px; font-weight: 650; }
.language-card-dot { width: 9px; height: 9px; flex: none; border-radius: 50%; background: var(--teal); }
.language-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.language-tabs button { min-height: 44px; padding: 8px 13px; border: 1px solid #dce5e6; border-radius: 12px; color: var(--muted); background: #fff; font-size: 14px; font-weight: 700; cursor: pointer; transition: color .2s ease, background .2s ease, border-color .2s ease; }
.language-tabs button:hover { border-color: var(--teal); color: var(--teal-dark); }
.language-tabs button.is-selected { border-color: var(--teal); color: #fff; background: var(--teal); }
.language-voice { display: flex; align-items: center; gap: 14px; margin-top: 25px; padding: 16px; border-radius: 18px; background: var(--tint); }
.language-voice > div:last-child { display: grid; gap: 2px; min-width: 0; }
.language-voice span, .language-transcript > span, .language-result > span { color: var(--teal-dark); font-size: 13px; font-weight: 720; }
.language-voice strong { color: var(--ink); font-size: 16px; font-weight: 680; line-height: 1.5; }
.language-voice-mark { display: flex; width: 45px; height: 45px; flex: none; align-items: center; justify-content: center; gap: 3px; border-radius: 14px; background: #fff; }
.language-voice-mark i { width: 3px; height: 12px; border-radius: 3px; background: var(--teal); }
.language-voice-mark i:nth-child(2), .language-voice-mark i:nth-child(4) { height: 23px; }
.language-voice-mark i:nth-child(3) { height: 31px; }
.language-card.is-speaking .language-voice-mark i { animation: wave 520ms ease-in-out 2 alternate; }
.language-card.is-speaking .language-voice-mark i:nth-child(2n) { animation-delay: -220ms; }
.language-transcript, .language-result { margin-top: 13px; padding: 16px 18px; border: 1px solid #dce5e6; border-radius: 18px; background: #fff; }
.language-transcript p, .language-result p { min-height: 30px; margin-top: 7px; color: var(--ink); font-size: 19px; font-weight: 680; line-height: 1.6; overflow-wrap: anywhere; }
.language-translate { display: inline-flex; min-height: 44px; align-items: center; gap: 8px; margin-top: 15px; padding: 0; border: 0; color: var(--teal); background: transparent; font-size: 15px; font-weight: 730; cursor: pointer; text-decoration: underline; text-underline-offset: 4px; }
.language-translate:hover { color: var(--teal-dark); }
.language-result { border-color: #c8dedf; background: #f8fbfb; animation: result-appear 260ms ease-out; }
.language-card-foot { margin-top: 19px; color: var(--muted); font-size: 14px; line-height: 1.6; }

.screens-section { background: var(--surface); }
.swipe-hint { display: none; color: var(--muted); font-size: 16px; }
.screen-gallery { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(18px, 3vw, 32px); }
.screen-item { min-width: 0; }
.screen-image { position: relative; aspect-ratio: 1 / 1.1; overflow: hidden; border: 1px solid #e0e4e7; border-radius: 28px; background: #fff; box-shadow: 0 12px 36px rgba(30, 41, 48, .06); }
.screen-image img { width: 100%; height: 100%; object-fit: cover; }
.screen-home img { object-position: center top; }
.screen-keyboard img { width: 100%; height: 100%; object-fit: cover; }
.screen-item figcaption { display: flex; flex-direction: column; gap: 4px; padding: 19px 3px 0; }
.screen-item figcaption strong { font-size: 20px; line-height: 1.4; }
.screen-item figcaption span { color: var(--muted); font-size: 16px; }
.screen-expand { align-self: flex-start; min-height: 44px; margin-top: 8px; padding: 0; border: 0; background: transparent; color: var(--teal); font-size: 16px; font-weight: 700; text-decoration: underline; text-underline-offset: 4px; cursor: pointer; }
.screen-expand:hover { color: var(--teal-dark); }
.screen-expand span { color: inherit !important; }
.screen-dialog { width: min(92vw, 560px); max-width: 560px; max-height: 94dvh; overflow-y: auto; padding: 18px; border: 1px solid var(--line); border-radius: 24px; background: #fff; box-shadow: 0 20px 80px rgba(18, 30, 34, .22); }
.screen-dialog::backdrop { background: rgba(20, 30, 34, .65); }
.screen-dialog-head { position: sticky; z-index: 1; top: -18px; display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: -18px -18px 14px; padding: 12px 18px; border-bottom: 1px solid var(--line); background: #fff; }
.screen-dialog-head h2 { font-size: 19px; letter-spacing: -.02em; }
.screen-dialog-head button { display: grid; width: 44px; height: 44px; flex: none; place-items: center; border: 0; border-radius: 50%; color: var(--muted); background: var(--surface); cursor: pointer; }
.screen-dialog-head button:hover { color: var(--ink); background: #e8ecee; }
.screen-dialog-head button svg { width: 20px; height: 20px; }
.screen-dialog img { width: min(100%, 395px); height: auto; margin-inline: auto; border: 1px solid var(--line); border-radius: 18px; }

.guide-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .85fr); align-items: center; gap: clamp(50px, 9vw, 130px); }
.guide-lead { max-width: 565px; margin-top: 22px; color: var(--muted); font-size: 18px; line-height: 1.85; }
.guide-steps { display: grid; gap: 0; margin: 37px 0 30px; padding: 0; list-style: none; }
.guide-steps li { display: grid; grid-template-columns: 48px 1fr; gap: 16px; padding: 19px 0; border-top: 1px solid var(--line); }
.guide-steps li:last-child { border-bottom: 1px solid var(--line); }
.guide-steps li > span { padding-top: 3px; color: var(--teal); font-size: 16px; font-weight: 750; font-variant-numeric: tabular-nums; }
.guide-steps strong { font-size: 19px; line-height: 1.4; }
.guide-steps p { margin-top: 5px; color: var(--muted); font-size: 16px; }
.text-link { display: inline-flex; min-height: 44px; align-items: center; gap: 8px; color: var(--teal); font-weight: 700; text-decoration-thickness: 1px; text-underline-offset: 5px; }
.text-link:hover { color: var(--teal-dark); }
.guide-video-wrap { justify-self: center; text-align: center; }
.guide-video-wrap video { width: min(100%, 334px); height: auto; aspect-ratio: 9 / 16; overflow: hidden; border: 1px solid #dce2e4; border-radius: 26px; background: var(--surface); box-shadow: 0 20px 60px rgba(28, 42, 46, .1); }
.guide-video-wrap p { margin-top: 14px; color: var(--muted); font-size: 16px; }

.download-section { background: var(--tint); }
.download-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(265px, 340px); gap: clamp(40px, 7vw, 100px); align-items: center; }
.download-lead { max-width: 600px; margin-top: 22px; color: var(--ink); font-size: 19px; line-height: 1.8; }
.download-meta { max-width: 620px; margin-top: 22px; color: var(--muted); font-size: 16px; line-height: 1.75; }
.download-actions { display: flex; flex-direction: column; align-items: stretch; gap: 9px; }
.download-main { width: 100%; }
.help-link { display: inline-flex; min-height: 44px; align-items: center; justify-content: center; gap: 7px; border: 0; background: transparent; color: var(--teal); font-size: 16px; font-weight: 700; text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 4px; cursor: pointer; }
.help-link:hover { color: var(--teal-dark); }
.help-link { margin-top: 12px; }

.faq-layout { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(44px, 9vw, 120px); }
.faq-layout .section-heading { margin: 0; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { position: relative; display: flex; min-height: 77px; align-items: center; padding: 14px 36px 14px 0; font-size: 19px; font-weight: 680; line-height: 1.45; list-style: none; cursor: pointer; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 4px; color: var(--teal); font-size: 27px; font-weight: 400; line-height: 1; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { padding: 0 34px 25px 0; color: var(--muted); font-size: 16px; line-height: 1.85; }

.site-footer { padding-block: 28px; border-top: 1px solid var(--line); }
.footer-inner { display: flex; justify-content: space-between; gap: 20px; color: var(--muted); font-size: 16px; }
.footer-inner span:first-child { color: var(--ink); font-weight: 750; }
.footer-inner a { display: inline-flex; min-height: 44px; align-items: center; color: var(--teal); font-weight: 650; text-decoration: none; }
.footer-inner a:hover { text-decoration: underline; }

.install-panel { position: fixed; z-index: 50; top: 18px; right: 18px; width: min(420px, calc(100vw - 36px)); max-height: calc(100dvh - 36px); overflow-y: auto; overscroll-behavior: contain; padding: 0 23px 22px; border: 1px solid #d7e2e4; border-radius: 24px; background: #fff; box-shadow: 0 22px 80px rgba(15, 35, 39, .22); }
.install-panel-head { position: sticky; z-index: 1; top: 0; display: flex; align-items: flex-start; gap: 12px; margin: 0 -23px; padding: 22px 23px 14px; border-bottom: 1px solid var(--line); background: #fff; }
.install-panel-head h2 { margin-top: 4px; font-size: 24px; letter-spacing: -.04em; line-height: 1.3; }
.panel-kicker { font-size: 15px; }
.panel-close { display: grid; width: 44px; height: 44px; flex: none; place-items: center; margin: -6px -5px 0 auto; border: 0; border-radius: 50%; color: var(--muted); background: var(--surface); cursor: pointer; }
.panel-close:hover { color: var(--ink); background: #e8ecee; }
.panel-close svg { width: 20px; height: 20px; }
.panel-note { margin-top: 18px; color: var(--muted); font-size: 16px; line-height: 1.55; }
.panel-visuals { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-top: 18px; }
.mini-visual { display: flex; min-width: 0; min-height: 142px; flex-direction: column; align-items: stretch; justify-content: space-between; padding: 12px 10px 9px; border: 1px solid #dfe6e8; border-radius: 15px; background: #fafbfb; }
.mini-visual figcaption { color: var(--muted); font-size: 14px; font-weight: 650; line-height: 1.3; text-align: center; }
.browser-visual { position: relative; height: 86px; border: 1px solid #cdd8dc; border-radius: 7px; background: #fff; }
.browser-bar { display: flex; height: 29px; align-items: center; justify-content: space-between; gap: 8px; padding: 0 8px; border-bottom: 1px solid #dde5e7; }
.browser-bar > span:first-child { width: 70%; height: 9px; border-radius: 50px; background: #edf1f2; }
.browser-dots { color: var(--teal); font-size: 22px; line-height: 1; }
.browser-menu { position: absolute; top: 32px; right: 5px; display: flex; align-items: center; gap: 5px; padding: 4px 6px; border: 1px solid #d4dfe1; border-radius: 5px; background: #fff; box-shadow: 0 4px 10px rgba(26, 44, 49, .08); color: var(--teal); font-size: 13px; white-space: nowrap; }
.browser-menu strong { color: var(--ink); font-size: 13px; }
.source-visual { position: relative; display: flex; height: 86px; flex-direction: column; justify-content: center; padding: 9px 8px; border: 1px solid #cdd8dc; border-radius: 7px; background: #fff; }
.source-app { color: var(--muted); font-size: 12px; }
.source-label { max-width: 95px; margin-top: 3px; color: var(--ink); font-size: 13px; font-weight: 650; line-height: 1.3; }
.source-switch { position: absolute; top: 39px; right: 7px; width: 31px; height: 18px; border-radius: 50px; background: var(--teal); }
.source-switch i { position: absolute; top: 3px; right: 3px; width: 12px; height: 12px; border-radius: 50%; background: #fff; }
.install-steps { display: grid; gap: 17px; margin: 21px 0 0; padding: 0; list-style: none; }
.install-steps li { display: grid; grid-template-columns: 23px 1fr; gap: 10px; }
.install-steps li > span { display: grid; width: 23px; height: 23px; place-items: center; margin-top: 2px; border-radius: 50%; color: #fff; background: var(--teal); font-size: 13px; font-weight: 700; line-height: 1; }
.install-steps p { color: var(--ink); font-size: 16px; line-height: 1.55; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 56px; }
  .hero-visual { width: min(100%, 600px); justify-self: center; }
  .demo-layout { grid-template-columns: 1fr; gap: 48px; }
  .section-intro h2 { max-width: 660px; }
  .guide-layout { gap: 40px; }
  .faq-layout { grid-template-columns: 1fr; gap: 30px; }
  .feature-demos { gap: 16px; }
  .language-layout { grid-template-columns: 1fr; }
  .language-copy h2, .language-lead { max-width: 720px; }
}

@media (max-width: 640px) {
  html { scroll-padding-top: 25px; }
  .header-inner { min-height: 106px; flex-wrap: wrap; justify-content: center; gap: 0; padding-top: 14px; }
  .brand { width: 100%; justify-content: center; }
  .site-nav { width: 100%; justify-content: space-between; gap: 4px; }
  .site-nav a { min-width: 55px; min-height: 48px; font-size: 16px; }
  .site-nav .nav-download { min-height: 44px; padding: 0 13px; }
  .hero { gap: 46px; padding-top: 60px; padding-bottom: 78px; }
  .hero h1 { font-size: clamp(43px, 11vw, 56px); line-height: 1.18; }
  .hero-lead { margin-top: 23px; font-size: 18px; line-height: 1.75; }
  .hero-actions { align-items: flex-start; flex-direction: column; margin-top: 28px; gap: 10px; }
  .hero-actions .button-primary { width: 100%; }
  .hero-note { margin-top: 10px; }
  .hero-visual { min-height: 0; padding: 24px 24px 18px; border-radius: 28px; }
  .hero-device { width: 100%; border-radius: 25px; }
  .section { padding-block: 79px; }
  .section-heading { margin-bottom: 34px; }
  h2 { font-size: clamp(36px, 9vw, 46px); }
  .section-intro > p:not(.section-label) { font-size: 17px; }
  .demo-card { border-radius: 24px; }
  .demo-input { min-height: 158px; margin-top: 19px; padding: 18px; font-size: 19px; }
  .demo-controls { grid-template-columns: 40px 1fr; gap: 8px 11px; }
  .demo-button { grid-column: 1 / -1; width: 100%; margin-top: 11px; }
  .features-grid { grid-template-columns: 1fr; gap: 32px; }
  .feature-demos { grid-template-columns: 1fr; margin-top: 44px; }
  .feature { padding-top: 20px; }
  .feature h3 { margin-top: 18px; }
  .language-lead { font-size: 18px; }
  .language-card { padding: 19px; border-radius: 24px; }
  .language-tabs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .language-tabs button { min-width: 0; }
  .screen-gallery { display: flex; gap: 16px; width: calc(100% + 24px); overflow-x: auto; overflow-y: hidden; padding: 0 24px 15px 0; scroll-snap-type: x mandatory; scrollbar-width: thin; scrollbar-color: #b7c7ca transparent; }
  .screen-item { flex: 0 0 min(72vw, 290px); scroll-snap-align: start; }
  .screen-image { border-radius: 23px; }
  .swipe-hint { display: block; margin: -12px 0 22px; }
  .guide-layout { grid-template-columns: 1fr; gap: 44px; }
  .guide-video-wrap video { width: min(100%, 300px); }
  .download-layout { grid-template-columns: 1fr; gap: 34px; }
  .download-lead { font-size: 18px; }
  .download-actions { max-width: 420px; }
  .faq-list summary { font-size: 18px; }
  .footer-inner { flex-wrap: wrap; justify-content: space-between; }
  .footer-inner span:nth-child(2) { order: 3; width: 100%; }
  .install-panel { top: 10px; right: 10px; width: calc(100vw - 20px); max-height: calc(100dvh - 20px); padding-inline: 18px; border-radius: 20px; }
  .install-panel-head { margin-inline: -18px; padding-inline: 18px; }
  .install-panel-head h2 { font-size: 22px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

/* 0.9.55: preserve the existing calm, readable visual system. */
.site-nav { gap: 26px; }
.hero { padding-top: clamp(56px, 7vw, 100px); padding-bottom: clamp(64px, 8vw, 108px); }
.hero h1 { font-size: clamp(50px, 5.6vw, 74px); }
.hero-visual { min-height: 0; }
.keyboard-crop { position: relative; width: 100%; aspect-ratio: 922 / 870; overflow: hidden; background: #e8ecf2; }
.keyboard-crop img { position: absolute; bottom: 0; left: 0; width: 100%; height: auto; max-width: none; }
.hero-device.keyboard-crop { width: min(100%, 420px); }
.typing-section { border-top: 1px solid var(--line); }
.typing-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; }
.typing-feature { min-width: 0; border-top: 1px solid var(--line); padding-top: 22px; }
.typing-feature h3 { margin: 17px 0 13px; font-size: 23px; letter-spacing: -.035em; line-height: 1.45; }
.typing-feature > p { color: var(--muted); }
.typing-example { display: grid; gap: 12px; margin-top: 24px; padding: 22px; border-radius: 20px; background: var(--surface); }
.typing-example > span { color: var(--muted); font-size: 15px; }
.typing-example code { font: inherit; font-size: 17px; word-break: break-word; }
.typing-example strong { color: var(--teal-dark); font-size: 29px; }
.section-footnote { margin-top: 24px; color: var(--muted); font-size: 16px; line-height: 1.8; }
.flick-layout { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); align-items: center; gap: 65px; padding-top: 95px; }
.flick-layout h2 { font-size: clamp(34px, 4vw, 49px); }
.flick-lead { margin-top: 24px; color: var(--muted); font-size: 18px; }
.flick-keys { display: flex; flex-wrap: wrap; gap: 24px; margin-top: 30px; }
.flick-keys > div { display: grid; gap: 9px; justify-items: center; }
.example-key { display: flex; width: 68px; height: 90px; flex-direction: column; align-items: center; justify-content: center; border: 1px solid #dce2e6; border-bottom-width: 3px; border-radius: 14px; background: #fff; }
.example-key b { font-size: 30px; line-height: 1.3; font-weight: 600; }
.example-key small { color: var(--muted); font-size: 16px; }
.flick-keys > div > span:last-child { font-size: 16px; }
.flick-figure { padding: 22px; border-radius: 28px; background: var(--surface); }
.flick-figure .keyboard-crop { border: 1px solid #dce2e6; border-radius: 20px; }
.flick-figure figcaption { margin-top: 16px; text-align: center; color: var(--muted); font-size: 16px; }
.screen-image.settings-shot { aspect-ratio: 922 / 1700; }
.screen-image.settings-shot img { height: auto; object-fit: contain; object-position: top; }
.setup-walkthrough { margin-top: 28px; padding: 26px; border: 1px solid var(--line); border-radius: 24px; background: #fff; }
.setup-heading { display: grid; gap: 4px; }
.setup-heading > span { color: var(--muted); font-size: 16px; }
.setup-dots { display: flex; gap: 8px; margin: 20px 0 25px; }
.setup-dots i { height: 5px; flex: 1; border-radius: 10px; background: #e5eaed; }
.setup-dots .is-current { background: var(--teal); }
#setup-content { min-height: 180px; }
#setup-title { margin-bottom: 14px; font-size: 25px; letter-spacing: -.03em; line-height: 1.4; }
#setup-description { color: var(--muted); font-size: 18px; }
.setup-actions { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; margin-top: 20px; }
.setup-back { border-color: #c9d2d8; background: #fff; color: var(--ink); }
.setup-actions button:disabled { opacity: .45; cursor: default; transform: none; }
.setup-phone { justify-self: center; width: min(100%, 310px); }
.setup-phone img { width: 100%; height: auto; border: 1px solid var(--line); border-radius: 23px; box-shadow: 0 16px 44px rgba(28, 42, 46, .07); }
.setup-phone figcaption { margin-top: 14px; color: var(--muted); font-size: 16px; text-align: center; }
.technology-section { background: #f7f9f9; }
.model-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin: 0 0 44px; padding: 0; border-top: 1px solid #d7e0e1; border-bottom: 1px solid #d7e0e1; }
.model-stats > div { padding: 27px 20px 28px 0; min-width: 0; }
.model-stats dt { color: var(--muted); font-size: 16px; }
.model-stats dd { margin: 10px 0 6px; font-size: clamp(27px, 3.4vw, 44px); font-weight: 740; line-height: 1.2; font-variant-numeric: tabular-nums; letter-spacing: -.04em; }
.model-stats span { color: var(--muted); font-size: 16px; }
.technology-list { border-top: 0; }
.technology-list .tech-detail { padding-bottom: 25px; }
.technology-list .tech-detail p { padding: 0 32px 18px 0; max-width: 880px; }
.tech-detail a { color: var(--teal-dark); text-decoration-thickness: 1px; text-underline-offset: 3px; }
.engine-flow { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin: 0 0 25px; padding: 0; list-style: none; counter-reset: stage; }
.engine-flow li { min-width: 0; border-left: 2px solid #98cbce; padding: 4px 14px; counter-increment: stage; }
.engine-flow li::before { content: "0" counter(stage); display: block; color: var(--teal); font-size: 16px; margin-bottom: 7px; }
.engine-flow strong, .engine-flow span { display: block; }
.engine-flow span { margin-top: 9px; color: var(--muted); font-size: 16px; }
.download-access { color: var(--muted); font-size: 16px; }
.download-access strong { display: block; color: var(--ink); margin-bottom: 7px; }
.download-main { text-align: center; }
.button:hover { transform: none; }
@media (max-width: 900px) {
  .flick-layout { gap: 32px; }
  .typing-grid { gap: 18px; }
  .typing-example { padding: 16px; }
  .engine-flow { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
}
@media (max-width: 640px) {
  .site-nav { gap: 2px; }
  .site-nav a { min-width: 45px; }
  .hero h1 { font-size: clamp(40px, 10.5vw, 56px); }
  .hero-visual { padding: 16px 12px; }
  .hero-device { border-radius: 17px; }
  .eyebrow { font-size: 15px; gap: 6px; flex-wrap: wrap; }
  .typing-grid { grid-template-columns: 1fr; gap: 36px; }
  .typing-example { padding: 20px; }
  .flick-layout { grid-template-columns: 1fr; padding-top: 64px; }
  .flick-figure { padding: 16px; }
  .flick-keys { gap: 22px; }
  .model-stats { grid-template-columns: 1fr; }
  .model-stats > div { padding: 22px 0; }
  .model-stats > div + div { border-top: 1px solid var(--line); }
  .model-stats dd { font-size: 40px; }
  .setup-walkthrough { padding: 20px; }
  #setup-content { min-height: 215px; }
  .setup-actions .button { padding-inline: 16px; }
  .engine-flow { grid-template-columns: 1fr; }
}


/* Shared language navigation and readable English copy. */
.header-inner { gap: 24px; }
.language-switch { display: flex; align-items: center; gap: 4px; flex-shrink: 0; }
.language-switch a { display: inline-flex; align-items: center; min-height: 44px; padding: 6px 10px; border-radius: 10px; font-size: 14px; font-weight: 650; text-decoration: none; white-space: nowrap; }
.language-switch a[aria-current="page"] { background: var(--tint); color: var(--teal-dark); }
.language-switch a:hover { color: var(--teal); background: var(--surface); }
.footer-inner { flex-wrap: wrap; gap: 14px 24px; }
html[lang="en"] .hero h1 { font-size: clamp(44px, 5.3vw, 70px); letter-spacing: -.045em; line-height: 1.12; }
html[lang="en"] h2 { letter-spacing: -.035em; line-height: 1.16; }
html[lang="en"] .section-label { letter-spacing: .015em; }
html[lang="en"] .model-stats dt { min-height: 3.3em; }
html[lang="en"] .feature-example-row { grid-template-columns: minmax(0, 1fr); gap: 4px; align-items: start; }
html[lang="en"] .feature-example-row span { white-space: normal; }
html[lang="en"] .feature-example-row strong { overflow-wrap: anywhere; }
@media (max-width: 960px) {
  .header-inner { flex-wrap: wrap; justify-content: space-between; gap: 0 16px; padding-top: 12px; }
  .header-inner .brand { width: auto; justify-content: flex-start; }
  .site-nav { order: 3; width: 100%; justify-content: space-between; gap: 8px; }
  .language-switch { order: 2; }
}
@media (max-width: 640px) {
  .header-inner { min-height: 110px; gap: 4px 8px; }
  .brand { font-size: 18px; gap: 8px; }
  .brand-mark { width: 28px; height: 28px; }
  .language-switch a { padding-inline: 7px; font-size: 13px; }
  .site-nav a { min-width: 0; font-size: 14px; }
  .site-nav .nav-download { padding-inline: 12px; }
  html[lang="en"] .hero h1 { font-size: clamp(36px, 9vw, 56px); }
  html[lang="en"] h2 { font-size: clamp(30px, 8vw, 42px); overflow-wrap: break-word; }
  html[lang="en"] .setup-actions { flex-wrap: wrap; }
}

/* The product story: ordinary conversations, generous space and a human voice. */
.story-hero { gap: clamp(40px, 6vw, 86px); padding-block: clamp(52px, 7vw, 96px); }
.story-hero h1 { font-size: clamp(48px, 5.5vw, 72px); line-height: 1.2; letter-spacing: -.055em; }
.story-hero h1 > span { color: var(--teal-dark); }
.story-hero .hero-lead { margin-top: 28px; line-height: 1.95; }
.story-hero .eyebrow { letter-spacing: .03em; font-size: 15px; }
.story-hero .hero-note { margin-top: 23px; font-size: 15px; }
.story-device { gap: 18px; padding: 30px 26px 18px; background: #edf5f3; border-radius: 34px; }
.thought-note { width: 100%; padding: 24px 26px; border: 1px solid #e0e9e4; border-radius: 22px 22px 22px 6px; background: #fff; }
.thought-note > span { font-size: 14px; color: var(--muted); }
.thought-note p { margin: 12px 0 15px; font-size: clamp(22px, 2.2vw, 29px); line-height: 1.65; font-weight: 620; letter-spacing: -.025em; }
.thought-note small { font-size: 12px; color: var(--muted); }
.story-device .hero-device { max-width: 100%; border-radius: 19px; box-shadow: 0 14px 30px rgba(24, 68, 62, .08); }
.story-device figcaption { font-size: 13px; gap: 2px 6px; }
.story-device .hero-expand { font-size: 13px; }
.story-opening { padding-block: clamp(80px, 10vw, 138px); border-top: 1px solid var(--line); background: #fbfaf7; }
.story-opening-inner { max-width: 900px; text-align: center; }
.story-opening h2 { font-size: clamp(33px, 4.2vw, 54px); line-height: 1.42; }
.story-opening-lead { max-width: 650px; margin: 30px auto 0; font-size: 19px; line-height: 2; color: var(--muted); }
.story-opening-close { margin-top: 22px; font-size: 21px; color: var(--teal-dark); font-weight: 620; }
.story-split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: center; gap: clamp(40px, 7vw, 94px); }
.story-copy h2 { line-height: 1.3; }
.story-copy > p:not(.section-label) { margin-top: 27px; color: var(--muted); font-size: 19px; line-height: 1.95; }
.story-copy > .story-copy-soft { color: var(--teal-dark) !important; font-weight: 600; }
.message-story { min-width: 0; }
.spoken-thought, .written-thought { padding: 28px 30px; border-radius: 24px; }
.spoken-thought { margin-right: 26px; border: 1px solid #e8e5dc; background: #faf8f3; border-bottom-left-radius: 5px; }
.written-thought { margin-left: 26px; border: 1px solid #cfdfd9; background: #edf5f0; border-bottom-right-radius: 5px; }
.spoken-thought > span, .written-thought > span { font-size: 14px; font-weight: 600; color: var(--muted); }
.written-thought > span { color: var(--teal-dark); }
.spoken-thought p, .written-thought p { margin-top: 14px; font-size: 21px; line-height: 1.85; }
.written-thought p { font-weight: 600; }
.story-divider { display: flex; justify-content: center; align-items: center; gap: 15px; height: 58px; color: var(--teal); }
.story-divider svg { width: 23px; height: 23px; }
.story-divider span { width: 35px; height: 1px; background: #dce8e2; }
.example-caption { margin-top: 20px; text-align: center; color: var(--muted); font-size: 13px; }
.thoughtful-detail { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(35px, 7vw, 94px); margin-top: 92px; padding-top: 44px; border-top: 1px solid var(--line); }
.thoughtful-detail .section-label { margin-bottom: 13px; }
.thoughtful-detail h3 { font-size: clamp(26px, 2.6vw, 34px); line-height: 1.5; letter-spacing: -.03em; }
.thoughtful-detail > p { color: var(--muted); line-height: 1.95; font-size: 18px; }
.language-copy h2 { line-height: 1.3; }
.language-note { font-size: 14px; }
.language-card-foot { font-size: 15px; color: var(--teal-dark); }
.story-typing .story-keyboard { margin: 0; padding: 27px; background: #f7f4ee; }
.story-typing .story-keyboard figcaption { font-size: 15px; }
.belief-section { color: #f9fcf9; background: #143f3b; }
.belief-inner { max-width: 860px; text-align: center; }
.belief-section .section-label { color: #b7dcd4; }
.belief-section h2 { font-size: clamp(40px, 5vw, 66px); line-height: 1.35; }
.belief-section p:not(.section-label) { max-width: 700px; margin: 30px auto 0; font-size: 20px; line-height: 1.95; color: #d5e6e0; }
.belief-section .belief-last { color: #fff !important; }
.belief-section .text-link { margin-top: 32px; color: #fff; }
.belief-contact-note { display: block; margin-top: 6px; color: #bed8cf; font-size: 14px; }
.demo-section .section-intro .demo-disclaimer { font-size: 14px !important; padding-left: 0; border: 0; }
.download-section h2 { font-size: clamp(34px, 4.3vw, 54px); line-height: 1.3; }
.download-section .text-link { margin-top: 17px; font-size: 15px; }
.help-area { padding-top: 30px; }
.setup-more { border-block: 1px solid var(--line); }
.setup-more > summary { min-height: 70px; padding: 20px 10px; cursor: pointer; font-size: 17px; font-weight: 620; color: var(--teal-dark); }
.setup-more .guide-section { padding-block: 25px 55px; }
.setup-more .guide-layout { width: 100%; }
.setup-more .guide-layout h2 { font-size: 36px; }
.faq-section { padding-block: 75px; }
.faq-section h2 { font-size: clamp(32px, 3.8vw, 46px); line-height: 1.35; }
.footer-inner { align-items: center; font-size: 14px; gap: 8px 24px; }
.footer-inner > span:nth-child(2) { margin-right: auto; }
.changelog-header { flex-wrap: nowrap; min-height: 78px; padding-top: 0; }
.changelog-main { max-width: 940px; padding-block: 48px 90px; }
.changelog-main > .section-label { margin-top: 48px; font-size: 14px; letter-spacing: .12em; }
.changelog-main h1 { font-size: clamp(34px, 5vw, 62px); letter-spacing: -.05em; line-height: 1.2; }
.changelog-lead { max-width: 650px; margin-block: 24px 55px; color: var(--muted); font-size: 19px; line-height: 1.85; }
.release-entry { display: grid; grid-template-columns: 165px minmax(0, 1fr); gap: 38px; padding-block: 40px; border-top: 1px solid var(--line); }
.release-date { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; color: var(--muted); font-size: 15px; }
.release-date span { padding: 4px 10px; border-radius: 7px; color: var(--teal-dark); background: var(--tint); font-size: 13px; }
.release-entry h2, .release-context h2 { font-size: 25px; line-height: 1.5; letter-spacing: -.025em; margin-bottom: 18px; }
.release-entry p, .release-entry li, .release-context p { color: var(--muted); font-size: 17px; line-height: 1.9; }
.release-entry ul { padding-left: 20px; margin: 15px 0; }
.release-entry li + li { margin-top: 10px; }
.release-entry .release-meta { margin-block: 24px 15px; font-size: 14px; }
.release-context { margin-top: 32px; padding: 30px; background: #f6f8f7; border-radius: 18px; }
.release-context p + p { margin-top: 16px; }
html[lang="en"] .story-hero h1 { font-size: clamp(48px, 5.6vw, 76px); }
html[lang="en"] .story-copy h2 { font-size: clamp(36px, 4vw, 52px); }
html[lang="en"] .download-section h2 { font-size: clamp(34px, 3.8vw, 48px); }
@media (max-width: 960px) {
  .story-hero, .story-split { gap: 35px; }
  .story-hero h1 { font-size: 48px; }
  .story-hero .hero-lead { font-size: 18px; }
  .story-device { padding: 22px 18px 12px; }
  .thought-note { padding: 20px; }
  .thoughtful-detail { gap: 35px; }
}
@media (max-width: 700px) {
  .story-hero, .story-split, .thoughtful-detail { grid-template-columns: 1fr; }
  .story-hero { padding-top: 44px; padding-bottom: 50px; gap: 40px; }
  .story-hero h1 { font-size: clamp(41px, 11vw, 59px); }
  .story-hero .hero-lead { margin-top: 24px; font-size: 18px; }
  .story-hero .hero-actions { gap: 8px; margin-top: 28px; }
  .story-hero .eyebrow { margin-bottom: 22px; font-size: 14px; }
  .story-device { width: min(100%, 425px); justify-self: center; }
  .thought-note p { font-size: 24px; }
  .story-opening { padding-block: 72px; }
  .story-opening h2 { font-size: clamp(29px, 7.5vw, 42px); }
  .story-opening-lead { font-size: 17px; line-height: 1.95; }
  .story-opening-close { font-size: 18px; }
  .story-copy > p:not(.section-label) { font-size: 18px; }
  .spoken-thought, .written-thought { padding: 22px; }
  .spoken-thought { margin-right: 15px; }
  .written-thought { margin-left: 15px; }
  .spoken-thought p, .written-thought p { font-size: 19px; }
  .thoughtful-detail { gap: 20px; margin-top: 55px; padding-top: 33px; }
  .story-typing .story-copy { grid-row: 1; }
  .belief-section h2 { font-size: clamp(35px, 9vw, 48px); }
  .belief-section p:not(.section-label) { font-size: 18px; }
  .download-section h2 { font-size: clamp(32px, 8.5vw, 45px); }
  .footer-inner { justify-content: flex-start; }
  .footer-inner > span:nth-child(2) { width: 100%; order: 2; }
  .release-entry { grid-template-columns: 1fr; gap: 20px; }
  .release-date { flex-direction: row; align-items: center; }
  .release-context { padding: 23px; }
  .changelog-header { gap: 4px; }
  html[lang="en"] .story-hero h1 { font-size: clamp(48px, 12vw, 66px); }
  html[lang="en"] .story-copy h2 { font-size: clamp(34px, 8.5vw, 45px); }
  html[lang="en"] .download-section h2 { font-size: clamp(30px, 8vw, 42px); }
}