@charset "UTF-8";

:root {
  --canvas: #f8f7f2;
  --ink: #252921;
  --muted: #73746b;
  --orange: #c84d26;
  --bright-orange: #ef7545;
  --line: #e2e3d9;
  --green: #354c3f;
  --serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 106px; }
body { margin: 0; background: var(--canvas); color: var(--ink); font-family: var(--sans); -webkit-font-smoothing: antialiased; }
body, button, a { -webkit-tap-highlight-color: transparent; }
button, input { font: inherit; }
button, a { touch-action: manipulation; }
button { color: inherit; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; }
img, video { display: block; max-width: 100%; }
button, a, summary { outline-offset: 6px; }
:focus-visible { outline: 2px solid var(--orange); }
::selection { color: var(--ink); background: #f5cfaf; }
[hidden] { display: none !important; }
.icon-definitions { position: absolute; width: 0; height: 0; overflow: hidden; }
.icon { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; flex: 0 0 auto; }
.container { width: min(1216px, calc(100% - 112px)); margin-inline: auto; }
.skip-link { position: fixed; top: 8px; left: 12px; padding: 14px; z-index: 100; background: var(--ink); color: white; transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }

.site-header { position: sticky; top: 0; z-index: 20; background: rgba(248,247,242,.94); border-bottom: 1px solid rgba(37,41,33,.08); backdrop-filter: blur(18px); }
.nav { height: 92px; display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.brand { display: inline-flex; gap: 11px; align-items: center; font-size: 27px; font-weight: 750; letter-spacing: -1.3px; white-space: nowrap; }
.brand img { width: 40px; height: 40px; border-radius: 11px; }
.brand-dot { color: var(--orange); }
.nav-links { display: flex; align-items: center; gap: 31px; font-size: 14px; font-weight: 500; }
.nav-links a { padding-block: 15px; transition: color .2s; }
.nav-links a:hover, .footer-links a:hover, .footer-bottom a:hover { color: var(--orange); }
.nav-actions { display: flex; align-items: center; gap: 24px; }
.language-switch { border: 0; background: none; padding: 10px 0; display: flex; gap: 6px; align-items: center; font-size: 12px; white-space: nowrap; }
.language-switch .icon { width: 17px; height: 17px; }
.button { background: var(--ink); color: white; border-radius: 7px; display: inline-flex; justify-content: center; align-items: center; gap: 22px; font-size: 13px; font-weight: 550; transition: background .2s, transform .2s; }
.button:hover { background: var(--green); transform: translateY(-2px); }
.button-small { padding: 14px 17px; }
.button .icon { width: 18px; height: 18px; }
.menu-toggle { display: none; width: 42px; height: 42px; padding: 10px; border: 1px solid var(--line); border-radius: 6px; background: transparent; }
.menu-toggle span { height: 1.5px; width: 20px; background: var(--ink); display: block; margin: 6px 0; transition: transform .2s; }

.hero { display: grid; grid-template-columns: 1fr 1.03fr; align-items: center; min-height: 718px; position: relative; padding-block: 48px 54px; gap: 10px; }
.eyebrow { margin: 0 0 25px; display: flex; align-items: center; gap: 10px; color: var(--orange); font-size: 10px; letter-spacing: 1.9px; text-transform: uppercase; font-weight: 650; line-height: 1.6; }
.little-star { font-size: 25px; line-height: 1; font-weight: 400; }
h1, h2, h3, p { overflow-wrap: break-word; }
h1, h2 { font-family: var(--serif); font-weight: 400; }
h1 { font-size: clamp(64px, 6.8vw, 94px); line-height: 1.04; letter-spacing: -5.5px; margin: 0; }
h1 em, h2 em { color: var(--orange); font-weight: 400; }
h1 em { display: inline-block; position: relative; }
h1 em::after { content: ""; position: absolute; height: 8px; left: 0; right: -8px; bottom: -9px; border-top: 2px solid var(--orange); transform: rotate(-3deg); border-radius: 50%; opacity: .75; }
.hero-description { font-size: 16px; line-height: 1.9; color: #6b6d63; max-width: 403px; margin: 32px 0 28px; }
.hero-actions { display: flex; align-items: center; gap: 24px; }
.app-store { background: var(--ink); color: white; display: inline-flex; align-items: center; gap: 11px; border-radius: 9px; padding: 11px 14px; min-height: 59px; transition: transform .2s, background .2s; }
.app-store:hover { transform: translateY(-3px); background: #3d483a; }
.app-store > .icon { width: 29px; height: 29px; }
.app-store small { font-size: 9px; letter-spacing: .2px; display: block; margin-bottom: 1px; }
.app-store strong { font-size: 21px; font-weight: 500; line-height: 1.15; letter-spacing: -.4px; display: block; }
.app-store .store-arrow { width: 17px; height: 17px; margin-left: 9px; align-self: flex-end; margin-bottom: 5px; opacity: .75; }
.demo-link { display: inline-flex; align-items: center; gap: 9px; font-size: 12px; font-weight: 500; }
.play-circle { width: 35px; height: 35px; border: 1px solid #bfc2b6; border-radius: 50%; display: grid; place-items: center; transition: background .2s; }
.play-circle .icon { width: 18px; height: 18px; }
.demo-link:hover .play-circle { background: #e7ecdf; }
.hero-footnote { display: flex; align-items: center; gap: 7px; margin: 22px 0 0; font-size: 10px; letter-spacing: .2px; color: var(--muted); }
.status-dot { width: 5px; height: 5px; background: #648563; border-radius: 50%; flex: 0 0 auto; }
.hero-art { height: 596px; position: relative; isolation: isolate; }
.hero-orbit { position: absolute; width: 490px; height: 490px; background: #e9edde; border-radius: 50%; left: 50%; top: 52%; transform: translate(-50%, -50%); z-index: -2; }
.hero-orbit::before { content: ""; position: absolute; inset: -22px; border: 1px dashed #d4d9cb; border-radius: 50%; }
.hero-orbit::after { content: ""; position: absolute; inset: 35px; background-image: radial-gradient(#d0d9c4 .8px, transparent .8px); background-size: 15px 15px; border-radius: 50%; }
.phone { position: relative; aspect-ratio: 1350 / 2760; filter: drop-shadow(9px 19px 15px rgba(35,43,30,.19)); }
/* User-provided Apple product frame, kept at its original proportions and alpha. */
.phone::after { content: ""; position: absolute; inset: 0; z-index: 2; background: url("devices/iphone-black-portrait.png") center / 100% 100% no-repeat; pointer-events: none; }
.phone-screen { position: absolute; inset: 2.4% 5.1%; padding: 16% 0 3%; border-radius: 15% / 7%; overflow: hidden; background: #f5f4f9; }
.phone-screen > img, .phone-screen > video { width: 100%; height: 100%; object-fit: cover; }
.phone-back { position: absolute; width: 216px; left: 9%; top: 112px; transform: rotate(-11deg); }
.phone-front { position: absolute; width: 246px; left: 47%; top: 65px; transform: rotate(9deg); z-index: 2; }
.orbit-caption { position: absolute; right: 51px; top: 12px; font-size: 10px; letter-spacing: .3px; display: flex; gap: 7px; align-items: center; transform: rotate(7deg); color: #6e7b5f; }
.orbit-caption .icon { width: 16px; height: 16px; }
.hero-sticker { position: absolute; z-index: 3; }
.hero-sticker img { object-fit: contain; width: 100%; height: auto; filter: drop-shadow(3px 8px 4px rgba(68,60,41,.09)); }
.hero-sticker > span { position: absolute; left: 20%; bottom: -4px; padding: 4px 9px; background: #fffdf7; border-radius: 3px; font-size: 18px; font-weight: 600; letter-spacing: -.4px; box-shadow: 1px 3px 9px #3b321b12; white-space: nowrap; }
.hero-sticker small { display: block; font-weight: 400; font-size: 9px; letter-spacing: .2px; text-align: center; color: var(--muted); margin: 3px 0 1px; }
.sticker-ice-cream { width: 139px; left: -6px; top: 37px; transform: rotate(-14deg); }
.sticker-orange { width: 175px; right: -9px; bottom: 4px; transform: rotate(13deg); }
.sticker-orange > span { bottom: -6px; left: 22%; }
.handwritten-note { position: absolute; left: 80px; bottom: 15px; color: #748267; transform: rotate(-7deg); }
.handwritten-note svg { width: 68px; height: 44px; position: absolute; bottom: 24px; left: 18px; transform: rotate(-42deg); }
.handwritten-note span { font-family: var(--serif); font-style: italic; font-size: 16px; white-space: nowrap; }
.art-spark { position: absolute; color: var(--orange); }
.spark-one { right: -3px; top: 55px; font-size: 40px; transform: rotate(15deg); }
.spark-two { left: -20px; top: 352px; font-size: 30px; color: #728767; }

.benefit-strip { background: #efefe6; border-block: 1px solid var(--line); }
.benefits { min-height: 81px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.benefits p { display: flex; align-items: center; gap: 11px; font-size: 12px; color: #555e4d; }
.benefits .icon { width: 21px; height: 21px; color: #6c7a60; }
.benefit-dot { width: 3px; height: 3px; background: #a9b099; border-radius: 50%; }
.section { padding-block: 104px 0; }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; margin-bottom: 42px; }
.section-heading .eyebrow { margin-bottom: 19px; }
h2 { font-size: clamp(40px, 4.2vw, 58px); line-height: 1.08; letter-spacing: -2px; margin: 0; }
.section-intro { width: 258px; color: var(--muted); font-size: 14px; line-height: 1.8; margin: 0 14px 5px 0; }
.demo-tabs { display: grid; grid-template-columns: repeat(3, 1fr); margin-bottom: 23px; border-bottom: 1px solid var(--line); gap: 23px; }
.demo-tab { display: flex; gap: 15px; align-items: center; text-align: left; padding: 21px 0 23px; background: transparent; border: none; border-bottom: 2px solid transparent; margin-bottom: -1px; }
.demo-tab[aria-selected="true"] { border-bottom-color: var(--orange); }
.step-index { width: 33px; height: 33px; border: 1px solid #d6d9cf; border-radius: 50%; display: grid; place-items: center; font-size: 11px; color: #747c6d; flex: 0 0 auto; transition: all .2s; }
.demo-tab[aria-selected="true"] .step-index { background: var(--orange); border-color: var(--orange); color: white; }
.demo-tab strong { display: block; font-weight: 550; font-size: 15px; }
.demo-tab small { display: block; font-size: 10px; margin-top: 6px; color: var(--muted); }
.demo-tab > .icon { margin-left: auto; margin-right: 15px; width: 20px; height: 20px; color: #747c6d; }
.demo-panel { display: grid; grid-template-columns: 1fr 1fr; min-height: 586px; border-radius: 18px; background: #eaf0e4; position: relative; overflow: hidden; border: 1px solid #e2e8da; }
.panel-gallery { background: #f2e8dc; border-color: #eae0d4; }
.panel-review { background: #eae8ee; border-color: #e2dfe7; }
.demo-copy { padding: 65px 25px 60px 63px; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; }
.feature-kicker { display: flex; align-items: center; gap: 9px; font-size: 10px; color: #64735b; }
.feature-kicker .icon { width: 16px; height: 16px; }
.demo-copy h3 { font-family: var(--serif); font-weight: 400; font-size: 44px; letter-spacing: -1.6px; line-height: 1.1; max-width: 355px; margin: 21px 0 17px; }
.demo-copy > p { color: #6a7363; font-size: 14px; line-height: 1.9; max-width: 355px; margin: 0 0 22px; }
.check-list { list-style: none; padding: 0; margin: 0 0 30px; }
.check-list li { display: flex; align-items: center; gap: 7px; font-size: 11px; margin-block: 10px; line-height: 1.5; }
.check-list .icon { width: 14px; height: 14px; color: #657b55; }
.text-button { display: inline-flex; align-items: center; gap: 15px; background: transparent; border: 0; border-bottom: 1px solid #858c78; padding: 8px 0; font-size: 12px; font-weight: 550; }
.text-button .icon { width: 17px; height: 17px; transition: transform .2s; }
.text-button:hover .icon { transform: translateX(4px); }
.recording-note { margin-top: 19px; font-size: 9px; color: #727769; letter-spacing: .2px; }
.demo-stage { display: grid; place-items: center; position: relative; padding: 27px 0 42px; isolation: isolate; }
.stage-ring { position: absolute; width: 375px; height: 375px; border: 1px solid #cbd6bf; border-radius: 50%; z-index: -1; }
.stage-ring::before, .stage-ring::after { content: ""; position: absolute; inset: 27px; border: 1px solid #d7dfce; border-radius: 50%; }
.stage-ring::after { inset: -30px; opacity: .45; }
.panel-gallery .stage-ring, .panel-gallery .stage-ring::before, .panel-gallery .stage-ring::after { border-color: #ddcbb5; }
.panel-review .stage-ring, .panel-review .stage-ring::before, .panel-review .stage-ring::after { border-color: #d0c8d8; }
.demo-phone { width: 236px; transform: rotate(4deg); transition: transform .5s; }
.demo-phone:has(video.is-playing) { transform: rotate(0); }
.demo-phone video { width: 100%; height: 100%; object-fit: cover; }
.video-overlay { width: 64px; height: 64px; position: absolute; left: calc(50% - 32px); top: calc(50% - 32px); background: var(--ink); color: white; border: 5px solid #ffffffd9; border-radius: 50%; display: grid; place-items: center; box-shadow: 0 3px 20px #0002; }
.video-overlay .icon { width: 28px; height: 28px; }
.video-overlay:hover { background: var(--orange); }
.stage-label { position: absolute; bottom: 18px; display: flex; gap: 7px; align-items: center; font-size: 9px; color: #737968; letter-spacing: .5px; }
.video-message, .no-script-note { color: var(--orange); font-size: 13px; line-height: 1.7; }
.no-script-note a { text-decoration: underline; }

.feature-grid { display: grid; grid-template-columns: 1.06fr 1fr; grid-template-rows: 1fr 1fr; gap: 20px; }
.feature-card { border-radius: 16px; padding: 33px; overflow: hidden; }
.feature-icon { display: grid; place-items: center; width: 34px; height: 34px; border: 1px solid #d4dccc; border-radius: 9px; margin-bottom: 19px; }
.feature-icon .icon { width: 18px; height: 18px; }
.feature-card h3 { font-family: var(--serif); font-size: 27px; font-weight: 400; letter-spacing: -.7px; margin: 0 0 12px; line-height: 1.15; }
.feature-card p { font-size: 14px; line-height: 1.85; color: #727568; margin: 0; max-width: 385px; }
.collection-card { grid-row: span 2; background: #edf0e7; min-height: 510px; }
.collection-art { position: relative; height: 304px; margin-top: 24px; }
.paper-word { background: #fcfbf6; box-shadow: 0 8px 22px #46513d12; border: 1px solid #e5e5da; width: 188px; height: 235px; position: absolute; top: 15px; left: 6%; transform: rotate(-11deg); border-radius: 8px; padding: 15px; text-align: center; }
.paper-word img { height: 145px; width: 145px; object-fit: contain; margin: 0 auto 5px; }
.paper-word strong { display: block; font-family: var(--serif); font-size: 24px; font-weight: 400; }
.paper-word > span { font-size: 9px; display: block; margin-top: 5px; color: #848779; }
.orange-word { left: auto; right: 3%; top: 36px; transform: rotate(10deg); }
.collection-annotation { position: absolute; bottom: -3px; left: 0; width: 100%; text-align: center; font-family: var(--serif); font-style: italic; font-size: 14px; color: #7b876d; }
.voice-card { background: #f6eae1; }
.voice-card .feature-icon { border-color: #e4cfbe; }
.voice-visual { display: flex; gap: 16px; align-items: center; margin-top: 22px; }
.sound-bubble { width: 37px; height: 37px; border-radius: 50%; background: #ecd6c7; display: grid; place-items: center; color: #975c3d; }
.sound-bubble .icon { width: 18px; height: 18px; }
.waveform { display: flex; height: 32px; align-items: center; gap: 4px; color: #b97e57; }
.waveform i { width: 3px; height: 9px; background: currentColor; border-radius: 3px; }
.waveform i:nth-child(3n) { height: 25px; }.waveform i:nth-child(3n + 1) { height: 16px; }.waveform i:nth-child(5n) { height: 33px; }
.voice-word { font-family: var(--serif); font-size: 19px; margin-left: auto; color: #856952; }
.offline-card { background: #eeedf3; display: flex; align-items: center; gap: 22px; }
.offline-card .feature-icon { border-color: #d6d3e0; }
.offline-card h3 { max-width: 230px; }
.offline-card p { max-width: 257px; }
.offline-stamp { width: 100px; height: 100px; border: 1px dashed #acaba1; border-radius: 50%; flex: 0 0 auto; text-align: center; display: grid; place-content: center; gap: 7px; color: #717e64; transform: rotate(13deg); }
.offline-stamp .icon { margin: auto; width: 29px; height: 29px; }
.offline-stamp span { font-size: 8px; letter-spacing: 1.2px; line-height: 1.5; }

.review-section { padding-top: 74px; }
.review-band { background: var(--green); color: #f8f7ef; border-radius: 20px; overflow: hidden; padding: 56px 48px 27px; }
.review-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; margin-bottom: 38px; }
.review-copy { min-width: 0; }
.review-copy .eyebrow { color: #d4dcb8; font-size: 9px; }
.review-copy h2 { font-size: 53px; line-height: 1.12; }
.review-copy h2 em { color: #d3dfb6; }
.review-intro { width: 287px; flex: 0 0 auto; padding-bottom: 4px; }
.review-intro p { font-size: 13px; line-height: 1.85; color: #d3dacd; margin: 0 0 19px; }
.light-link { display: inline-flex; align-items: center; gap: 24px; padding-bottom: 7px; border-bottom: 1px solid #9dae96; font-size: 11px; }
.light-link .icon { width: 17px; height: 17px; }
.review-highlights { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.motion-card { min-width: 0; }
.motion-viewport { aspect-ratio: 666 / 840; position: relative; overflow: hidden; border-radius: 13px; background: #f8f5f8; border: 1px solid #ffffff30; isolation: isolate; }
.motion-viewport video { width: 100%; height: 100%; object-fit: contain; }
.motion-badge { position: absolute; top: 15px; left: 16px; display: flex; align-items: center; gap: 6px; color: #59644e; background: #fffdf8d9; border: 1px solid #dddcd866; padding: 7px 10px; border-radius: 30px; font-size: 9px; letter-spacing: .2px; pointer-events: none; }
.motion-badge .icon { width: 12px; height: 12px; }
.motion-tools { display: none; position: absolute; bottom: 13px; right: 13px; gap: 6px; }
.motion-card.is-enhanced .motion-tools { display: flex; }
.motion-tools button { display: flex; align-items: center; justify-content: center; gap: 5px; border: 1px solid #ffffff6b; border-radius: 30px; background: #293d31e6; color: #fffef6; min-width: 44px; min-height: 44px; padding: 9px 12px; font-size: 10px; backdrop-filter: blur(8px); transition: background .2s; }
.motion-tools button:hover { background: #1f3026; }
.motion-tools .icon { width: 17px; height: 17px; }
.motion-tools button:focus-visible { outline-color: #bd612e; outline-offset: 3px; }
.motion-caption { display: flex; gap: 14px; margin: 25px 3px 0; }
.motion-number { flex: 0 0 auto; width: 28px; height: 28px; display: grid; place-items: center; border: 1px solid #8ea07d; border-radius: 50%; font-size: 9px; color: #d3dfb6; }
.motion-caption h3 { margin: 0 0 10px; font-family: var(--serif); font-weight: 400; font-size: 26px; line-height: 1.2; letter-spacing: -.6px; }
.motion-caption p { margin: 0; color: #d0d9c7; font-size: 12px; line-height: 1.8; max-width: 370px; }
.review-footnote { display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 7px; border-top: 1px solid #93a38742; color: #bfcdb3; font-size: 10px; margin: 34px 0 0; padding-top: 22px; }
.review-footnote .icon { width: 14px; height: 14px; }
.review-footnote a, .motion-error a { text-decoration: underline; text-underline-offset: 3px; }
.motion-error { color: #ffe0c6; font-size: 12px; line-height: 1.8; }

.questions-section { display: grid; grid-template-columns: 1fr 1.48fr; gap: 70px; padding-top: 110px; }
.questions-heading .eyebrow { margin-bottom: 17px; }
.questions-heading > p:not(.eyebrow) { font-size: 13px; color: var(--muted); margin: 22px 0 25px; }
.questions-heading .text-button { font-size: 11px; }
.faq-list { padding-top: 2px; }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list details:first-child { border-top: 1px solid var(--line); }
.faq-list summary { list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 20px; cursor: pointer; font-size: 14px; font-weight: 500; padding: 23px 0; line-height: 1.5; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-plus { width: 16px; height: 16px; position: relative; flex: 0 0 auto; }
.faq-plus::before, .faq-plus::after { content: ""; position: absolute; top: 7px; left: 3px; width: 10px; height: 1px; background: #65705c; }
.faq-plus::after { transform: rotate(90deg); transition: transform .2s; }
details[open] .faq-plus::after { transform: rotate(0); }
.faq-list details p { font-size: 13px; color: #6d7366; line-height: 1.9; margin: -4px 30px 23px 0; }
.faq-list details a { text-decoration: underline; text-underline-offset: 3px; }
.download-section { padding-top: 105px; }
.download-band { position: relative; overflow: hidden; border: 1px solid #eddcc9; border-radius: 18px; padding: 55px 0 52px; background: #f6e8d8; text-align: center; }
.download-copy { position: relative; z-index: 2; }
.download-copy .eyebrow { justify-content: center; font-size: 9px; margin-bottom: 19px; }
.download-copy h2 { font-size: 57px; }
.download-copy > p:not(.eyebrow) { font-size: 12px; color: #7f7466; margin: 20px 0 25px; }
.download-copy .app-store { text-align: left; }
.download-ice-cream { width: 235px; height: auto; position: absolute; top: 100px; left: 17px; transform: rotate(-18deg); filter: drop-shadow(5px 8px 3px #4b36281a); }
.download-orange { width: 210px; height: auto; position: absolute; top: 143px; right: 0; transform: rotate(17deg); filter: drop-shadow(5px 8px 3px #4b36281a); }
.download-spark { position: absolute; top: 36px; right: 95px; font-size: 39px; color: #cb744c; }
.site-footer { padding-block: 68px 25px; }
.footer-top { display: flex; justify-content: space-between; align-items: center; gap: 30px; padding-bottom: 37px; }
.footer-top .brand { font-size: 24px; }
.footer-top .brand img { width: 34px; height: 34px; border-radius: 9px; }
.footer-top p { font-size: 11px; color: var(--muted); margin: 13px 0 0; }
.footer-links { display: flex; align-items: center; gap: 29px; font-size: 11px; }
.footer-bottom { border-top: 1px solid var(--line); padding-top: 25px; display: flex; justify-content: space-between; gap: 20px; font-size: 9px; color: var(--muted); }
.footer-bottom > div { display: flex; gap: 24px; }
.footer-made { font-family: var(--serif); font-style: italic; font-size: 12px; }

/* Chinese keeps the same hierarchy with a more natural reading width. */
html[lang="zh-CN"] h1, html[lang="zh-CN"] h2, html[lang="zh-CN"] h3 { font-family: var(--sans); font-weight: 550; }
html[lang="zh-CN"] h1 { font-size: clamp(41px, 4.4vw, 61px); line-height: 1.4; letter-spacing: -2px; }
html[lang="zh-CN"] h1 em, html[lang="zh-CN"] h2 em { font-style: normal; font-weight: 550; }
html[lang="zh-CN"] h2 { font-size: 42px; line-height: 1.4; letter-spacing: -1px; }
html[lang="zh-CN"] .demo-copy h3 { font-size: 33px; line-height: 1.4; }
html[lang="zh-CN"] .feature-card h3 { font-size: 23px; line-height: 1.5; }
html[lang="zh-CN"] .hero-description { line-height: 2; max-width: 385px; font-size: 15px; }
html[lang="zh-CN"] .eyebrow { letter-spacing: 2px; }
html[lang="zh-CN"] .offline-card h3 { max-width: none; }

@media (min-width: 1500px) {
  .hero { min-height: 758px; }
}
@media (max-width: 1160px) {
  .container { width: calc(100% - 72px); }
  .nav-links { gap: 20px; font-size: 12px; }
  .nav-actions { gap: 15px; }
  .hero { min-height: 664px; }
  .hero h1 { font-size: 73px; letter-spacing: -4px; }
  .hero-art { height: 560px; transform: scale(.91); transform-origin: center; }
  .phone-front { left: 44%; }
  .phone-back { left: 3%; }
  .hero-orbit { width: 420px; height: 420px; }
  .sticker-orange { right: -30px; bottom: -2px; width: 161px; }
  .sticker-ice-cream { left: -29px; }
  .handwritten-note { left: 25px; bottom: 10px; }
  .orbit-caption { right: 5px; }
  .spark-one { right: -30px; }
  .hero-actions { gap: 17px; }
  .hero-description { max-width: 360px; font-size: 15px; }
  .demo-link { font-size: 11px; gap: 7px; }
  .demo-copy { padding-left: 42px; }
  .demo-copy h3 { font-size: 38px; }
  .demo-copy > p { max-width: 290px; }
  .demo-panel { min-height: 558px; }
  .demo-phone { width: 224px; }
  .stage-ring { width: 320px; height: 320px; }
  .feature-card { padding: 28px; }
  .paper-word { width: 165px; height: 218px; padding: 10px; }
  .paper-word img { width: 135px; height: 135px; }
  .paper-word { left: 0; }.orange-word { left: auto; right: 0; }
  .offline-stamp { width: 78px; height: 78px; }
  .voice-visual { gap: 10px; }.voice-word { font-size: 16px; }.waveform { gap: 3px; }
  .review-band { padding: 44px 32px 25px; }
  .review-copy h2 { font-size: 46px; }
  .review-intro { width: 245px; }
  .motion-caption h3 { font-size: 23px; }
  .download-ice-cream { width: 190px; left: 5px; top: 125px; }.download-orange { width: 177px; right: -4px; top: 155px; }
  html[lang="zh-CN"] .hero h1 { font-size: 46px; }
}
@media (max-width: 920px) {
  .container { width: calc(100% - 48px); }
  .nav { height: 77px; gap: 15px; }
  .brand { font-size: 24px; }.brand img { width: 35px; height: 35px; }
  .nav-links { gap: 16px; font-size: 11px; }
  .nav-download { display: none; }
  .hero { grid-template-columns: 1fr 1fr; min-height: 610px; padding-block: 35px; }
  .hero h1 { font-size: 59px; letter-spacing: -3.5px; }
  .eyebrow { font-size: 8px; letter-spacing: 1.2px; }
  .hero-description { font-size: 13px; max-width: 310px; margin-block: 27px; }
  .hero-art { width: 430px; height: 540px; transform: scale(.78); transform-origin: center left; margin-left: -7px; margin-right: -100px; }
  .hero-actions { gap: 16px; flex-wrap: wrap; }
  .hero-footnote { font-size: 8px; }
  .benefits { gap: 12px; min-height: 72px; }
  .benefits p { font-size: 10px; gap: 7px; }.benefits .icon { width: 18px; height: 18px; }
  .section { padding-top: 79px; }
  .section-intro { width: 225px; font-size: 12px; }
  h2 { font-size: 43px; }
  .demo-tab { gap: 10px; }.demo-tab strong { font-size: 13px; }.demo-tab small { font-size: 9px; }.demo-tab > .icon { display: none; }
  .demo-copy { padding: 35px 20px 35px 30px; }.demo-copy h3 { font-size: 34px; }.demo-copy > p { font-size: 12px; }.check-list li { font-size: 10px; }
  .demo-panel { min-height: 522px; }.demo-phone { width: 210px; }.stage-ring { width: 270px; height: 270px; }
  .feature-card { padding: 24px; }.feature-card h3 { font-size: 23px; }.feature-card p { font-size: 11px; }
  .paper-word { width: 143px; height: 194px; top: 24px; }.paper-word img { width: 116px; height: 116px; }.orange-word { top: 65px; }
  .offline-card { gap: 10px; }.offline-stamp { width: 61px; height: 61px; }.offline-stamp span { font-size: 6px; }.offline-stamp .icon { width: 20px; height: 20px; }
  .voice-word { display: none; }
  .review-band { padding: 36px 26px 24px; }.review-heading { gap: 25px; }.review-copy h2 { font-size: 39px; }.review-intro { width: 216px; }.review-intro p { font-size: 12px; }
  .review-highlights { gap: 18px; }.motion-caption { gap: 10px; margin-top: 21px; }.motion-caption h3 { font-size: 21px; }.motion-caption p { font-size: 11px; }
  .questions-section { gap: 40px; grid-template-columns: 1fr 1.4fr; }.faq-list summary { font-size: 12px; }
  .download-section { padding-top: 80px; }.download-copy h2 { font-size: 49px; }.download-ice-cream { width: 153px; left: -18px; top: 123px; }.download-orange { width: 148px; right: -12px; top: 176px; }
  .footer-links { gap: 20px; }
  html[lang="zh-CN"] .hero h1 { font-size: 39px; letter-spacing: -1.5px; }
  html[lang="zh-CN"] h2 { font-size: 32px; }html[lang="zh-CN"] .demo-copy h3 { font-size: 26px; }html[lang="zh-CN"] .feature-card h3 { font-size: 21px; }
}
@media (max-width: 700px) {
  html { scroll-padding-top: 88px; }
  .container { width: calc(100% - 40px); }
  .nav { height: 73px; }
  .nav-actions { gap: 18px; }
  .brand { font-size: 25px; }
  .menu-toggle { display: block; }
  .nav-links { display: none; position: absolute; left: 0; top: 72px; width: 100%; background: var(--canvas); padding: 16px 20px 24px; box-shadow: 0 14px 15px #343b2910; border-bottom: 1px solid var(--line); flex-direction: column; align-items: stretch; gap: 0; }
  .nav-links a { padding: 15px 0; font-size: 14px; }
  .site-header.menu-open .nav-links { display: flex; }
  .menu-open .menu-toggle span:first-child { transform: translateY(3.75px) rotate(45deg); }
  .menu-open .menu-toggle span:last-child { transform: translateY(-3.75px) rotate(-45deg); }
  .hero { grid-template-columns: minmax(0, 1fr); padding-top: 50px; padding-bottom: 17px; gap: 0; overflow: hidden; }
  .hero-copy { max-width: 480px; width: 100%; margin: auto; }
  .hero .eyebrow { font-size: 9px; margin-bottom: 23px; }
  .hero h1 { font-size: clamp(54px, 10.4vw, 76px); line-height: 1.1; letter-spacing: -3.4px; }
  .hero-description { font-size: 14px; line-height: 1.85; max-width: 370px; margin-block: 27px; }
  .hero-actions { gap: 19px; }
  .hero-actions .app-store { padding: 10px 12px; gap: 8px; }.app-store strong { font-size: 20px; }.app-store .store-arrow { margin-left: 3px; }
  .demo-link { font-size: 11px; }.play-circle { width: 30px; height: 30px; }
  .hero-footnote { font-size: 9px; margin-top: 20px; }
  .hero-art { width: 440px; height: 588px; justify-self: center; margin: 27px 0 -40px; transform: scale(.88); transform-origin: center top; left: 0; }
  .hero-orbit { width: 410px; height: 410px; }
  .phone-front { left: 44%; top: 77px; width: 222px; }.phone-back { width: 200px; left: 6%; top: 110px; }
  .sticker-ice-cream { width: 128px; left: 0; top: 39px; }
  .sticker-orange { width: 150px; right: -9px; bottom: 35px; }
  .handwritten-note { left: 28px; bottom: 25px; }.handwritten-note span { font-size: 15px; }
  .spark-one { top: 55px; right: -4px; }.spark-two { left: -2px; }
  .orbit-caption { top: 14px; right: 30px; font-size: 9px; }
  .benefits { display: grid; grid-template-columns: 1fr; gap: 0; padding-block: 13px; min-height: 0; }
  .benefits p { margin: 8px 0; font-size: 11px; gap: 12px; justify-content: center; }.benefit-dot { display: none; }
  .section { padding-top: 66px; }
  .section-heading { display: block; margin-bottom: 24px; }
  .section-heading .eyebrow { font-size: 9px; margin-bottom: 15px; }
  h2 { font-size: 42px; letter-spacing: -1.8px; }
  .section-intro { width: auto; max-width: 330px; font-size: 12px; margin: 19px 0 0; }
  .demo-tabs { gap: 12px; margin-bottom: 18px; }
  .demo-tab { display: block; padding: 15px 0; }
  .step-index { width: 28px; height: 28px; font-size: 10px; margin-bottom: 11px; }
  .demo-tab strong { font-size: 11px; }.demo-tab small { display: none; }
  .demo-panel { grid-template-columns: 1fr; border-radius: 13px; min-height: 0; }
  .demo-copy { padding: 29px 25px 20px; }.demo-copy h3 { font-size: 34px; max-width: 300px; margin-block: 20px 14px; }.demo-copy > p { max-width: 430px; font-size: 12px; margin-bottom: 13px; }
  .feature-kicker { font-size: 9px; }.check-list { margin-bottom: 12px; }.check-list li { font-size: 10px; }
  .recording-note { font-size: 8px; margin-top: 13px; }
  .demo-stage { padding: 25px 0 48px; }.demo-phone { width: 218px; }.stage-ring { width: 310px; height: 310px; }
  .stage-label { bottom: 17px; font-size: 8px; }
  .feature-grid { grid-template-columns: 1fr; grid-template-rows: auto; gap: 14px; }
  .feature-card { padding: 28px; }.feature-card h3 { font-size: 25px; }.feature-card p { max-width: 420px; font-size: 12px; }
  .collection-card { min-height: 470px; grid-row: auto; }.collection-art { height: 261px; max-width: 350px; margin: 21px auto 0; }
  .paper-word { width: 156px; height: 201px; top: 10px; left: 5%; }.paper-word img { width: 122px; height: 122px; }.orange-word { left: auto; right: 4%; top: 30px; }
  .collection-annotation { font-size: 12px; bottom: 0; }
  .voice-visual { margin-top: 25px; gap: 15px; }.voice-word { display: block; }
  .offline-card { gap: 20px; }.offline-card p { max-width: none; }.offline-stamp { width: 75px; height: 75px; }.offline-stamp span { font-size: 7px; }
  .review-section { padding-top: 38px; }
  .review-band { padding: 34px 20px 23px; }.review-heading { display: block; margin-bottom: 28px; }.review-copy h2 { font-size: 39px; }.review-intro { width: auto; max-width: 400px; margin-top: 22px; }
  .review-copy .eyebrow { font-size: 8px; margin-bottom: 19px; }
  .review-highlights { grid-template-columns: minmax(0, 1fr); gap: 29px; }.motion-caption { margin-top: 19px; }.motion-caption h3 { font-size: 23px; }.motion-caption p { font-size: 12px; }
  .motion-badge { top: 11px; left: 11px; font-size: 8px; padding: 6px 9px; }.motion-tools { bottom: 10px; right: 10px; }.review-footnote { margin-top: 27px; font-size: 9px; }
  .questions-section { grid-template-columns: 1fr; gap: 29px; }
  .questions-heading h2 br { display: none; }.questions-heading h2 em::before { content: " "; }.questions-heading > p:not(.eyebrow) { margin: 16px 0; }.questions-heading .eyebrow { font-size: 9px; }
  .faq-list summary { font-size: 13px; padding-block: 21px; }.faq-list details p { font-size: 12px; }
  .download-section { padding-top: 64px; }
  .download-band { padding: 43px 20px 49px; }.download-copy h2 { font-size: 41px; }.download-copy .eyebrow { font-size: 8px; }.download-copy > p:not(.eyebrow) { font-size: 11px; }
  .download-ice-cream { width: 93px; top: auto; bottom: 17px; left: -18px; opacity: .8; }.download-orange { width: 96px; top: auto; bottom: 14px; right: -15px; }.download-spark { font-size: 22px; right: 16px; top: 18px; }
  .site-footer { padding-top: 43px; }.footer-top { display: block; padding-bottom: 28px; }.footer-links { margin-top: 23px; justify-content: space-between; gap: 12px; font-size: 10px; }.footer-links .language-switch { font-size: 10px; }
  .footer-bottom { flex-wrap: wrap; gap: 20px; font-size: 9px; }.footer-made { display: none; }.footer-bottom > div { gap: 17px; }
  html[lang="zh-CN"] .hero h1 { font-size: clamp(33px, 6.8vw, 49px); letter-spacing: -1.5px; line-height: 1.5; }
  html[lang="zh-CN"] .hero-description { font-size: 14px; }
  html[lang="zh-CN"] h2 { font-size: 30px; line-height: 1.5; }
  html[lang="zh-CN"] .demo-copy h3 { font-size: 28px; }
  html[lang="zh-CN"] .feature-card h3 { font-size: 22px; }
  html[lang="zh-CN"] .questions-heading h2 br { display: block; }
}
@media (max-width: 480px) {
  .hero-art { transform: scale(.78); margin-bottom: -100px; }
}
@media (max-width: 380px) {
  .container { width: calc(100% - 32px); }
  .hero-actions { gap: 11px; }.demo-link { font-size: 10px; gap: 6px; }.hero-actions .app-store { padding: 9px 11px; }.app-store .store-arrow { display: none; }
  .hero-art { transform: scale(.66); margin-bottom: -172px; }
  .hero h1 { font-size: 54px; }.hero-description { font-size: 13px; }
  .feature-card { padding: 23px; }.paper-word { width: 139px; height: 191px; left: 0; }.paper-word img { width: 116px; height: 116px; }.orange-word { left: auto; right: 0; }
  .voice-visual { gap: 10px; }.voice-word { font-size: 14px; }
  .offline-card { gap: 11px; }.offline-stamp { width: 62px; height: 62px; }
  .review-band { padding-inline: 16px; }.review-copy h2 { font-size: 34px; }.motion-caption h3 { font-size: 21px; }
  .download-copy h2 { font-size: 36px; }
  html[lang="zh-CN"] .hero h1 { font-size: 31px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}