@charset "utf-8";

:root {
  color-scheme: light;
  --paper: #f3f2ed;
  --paper-deep: #e9e9e0;
  --ink: #16221e;
  --muted: #65716a;
  --line: #d9ddd4;
  --green: #c8ef7a;
  --green-deep: #243d30;
  --white: #fffefa;
  --orange: #a84024;
  --serif: Georgia, "Noto Serif CJK SC", "Songti SC", serif;
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", system-ui, sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}

* { box-sizing: border-box; }
html { min-width: 320px; }
body { margin: 0; background: var(--paper); color: var(--ink); line-height: 1.65; }
a { color: inherit; text-underline-offset: .22em; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible, button:focus-visible { outline: 3px solid #658d30; outline-offset: 4px; border-radius: 4px; }
img { display: block; max-width: 100%; }
.page-shell { width: min(1180px, calc(100% - 64px)); margin-inline: auto; }
.skip-link { position: absolute; z-index: 20; top: 8px; left: 8px; padding: 10px 14px; background: var(--ink); color: white; transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }

.site-header { min-height: 84px; width: min(1320px, calc(100% - 64px)); margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 32px; border-bottom: 1px solid rgba(22,34,30,.12); }
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; font-size: 19px; line-height: 1; font-weight: 760; letter-spacing: -.04em; white-space: nowrap; }
.brand img { border-radius: 12px; }
.site-nav { display: flex; align-items: center; gap: clamp(20px, 3vw, 42px); }
.site-nav a, .header-cta { text-decoration: none; color: #4d5b53; font-size: 13px; font-weight: 650; }
.site-nav a[aria-current="page"] { color: var(--ink); text-decoration: underline; text-decoration-color: #88aa54; text-decoration-thickness: 2px; text-underline-offset: 7px; }
.header-cta { color: var(--ink); border-bottom: 1px solid #9baa8a; padding: 7px 0; }
.header-cta span { margin-left: 8px; color: #63813e; }

.hero { position: relative; display: grid; grid-template-columns: 1.02fr .98fr; min-height: 620px; align-items: center; gap: 24px; padding-block: 58px 88px; }
.hero-copy { position: relative; z-index: 2; max-width: 590px; padding-bottom: 18px; }
.eyebrow { display: flex; align-items: center; gap: 9px; margin: 0 0 22px; color: #627068; font-size: 11px; font-weight: 780; letter-spacing: .14em; text-transform: uppercase; }
.eyebrow-dot { width: 7px; height: 7px; background: #82a94a; border-radius: 50%; box-shadow: 0 0 0 4px rgba(130,169,74,.12); }
h1, h2, h3, p { margin-top: 0; }
.hero h1, .privacy-hero h1 { margin: 0; font-size: clamp(58px, 7.2vw, 92px); line-height: 1.05; font-weight: 680; letter-spacing: -.075em; }
.hero h1 em, .privacy-hero h1 em { color: #658145; font-family: var(--serif); font-size: .94em; font-weight: 500; letter-spacing: -.07em; }
.hero-lede { max-width: 500px; margin: 25px 0 27px; color: #56645b; font-size: 16px; line-height: 1.95; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 22px; }
.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: 14px; padding: 0 20px; border: 1px solid transparent; border-radius: 5px; font-size: 13px; font-weight: 740; text-decoration: none; transition: transform .18s ease, background .18s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--green-deep); color: var(--white); }
.button-primary:hover { background: #31563f; }
.button-light { background: var(--green); color: var(--ink); }
.button-light:hover { background: #d9f69e; }
.button[aria-disabled="true"] { cursor: wait; opacity: .7; }
.text-link { color: #354a3c; font-size: 13px; font-weight: 720; text-decoration-thickness: 1px; }
.text-link span { margin-left: 7px; }
.hero-facts { display: flex; flex-wrap: wrap; gap: 10px 20px; margin-top: 38px; color: #526057; font-size: 11px; }
.fact-check { margin-right: 6px; color: #54743a; font-style: normal; font-weight: 900; }
.hero-art { position: relative; min-height: 430px; display: grid; place-items: center; isolation: isolate; overflow: hidden; }
.hero-art::before { position: absolute; z-index: -2; width: min(88%, 430px); aspect-ratio: 1; content: ""; border-radius: 50%; background: #e0e7d4; }
.hero-art::after { position: absolute; z-index: -1; width: min(73%, 348px); aspect-ratio: 1; content: ""; border: 1px solid rgba(68,95,63,.2); border-radius: 50%; }
.orbit { position: absolute; border: 1px solid rgba(64,86,57,.15); border-radius: 50%; }
.orbit-one { width: 96%; height: 73%; transform: rotate(-31deg); }
.orbit-two { width: 76%; height: 105%; transform: rotate(32deg); }
.voice-card { position: relative; width: min(390px, 85%); padding: 22px 23px 19px; border: 1px solid rgba(255,255,255,.85); border-radius: 14px; background: rgba(255,254,250,.9); box-shadow: 0 28px 80px rgba(42,59,45,.14); backdrop-filter: blur(8px); transform: rotate(-3deg); }
.voice-card-top, .voice-card-bottom { display: flex; align-items: center; justify-content: space-between; }
.live-label { display: inline-flex; align-items: center; gap: 8px; color: #4b6a38; font-size: 11px; font-weight: 760; }
.live-label i { width: 7px; height: 7px; display: inline-block; border-radius: 50%; background: #83a85b; }
.voice-time { color: #99a198; font: 11px/1.2 ui-monospace, Consolas, monospace; }
.waveform { height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 5px; margin: 19px 0 17px; }
.waveform b { width: 5px; height: 20%; border-radius: 8px; background: #80a659; transform-origin: center; animation: pulse-wave 1.15s ease-in-out infinite alternate; }
.waveform b:nth-child(3n) { height: 72%; animation-delay: -.25s; }
.waveform b:nth-child(4n) { height: 43%; animation-delay: -.7s; }
.waveform b:nth-child(5n) { height: 91%; animation-delay: -.45s; }
.waveform b:nth-child(7n) { height: 56%; animation-delay: -.9s; }
.voice-card > p { margin: 0 0 21px; color: #24372c; font-family: var(--serif); font-size: 19px; line-height: 1.75; }
.voice-card-bottom { padding-top: 14px; border-top: 1px solid #e4e8de; color: #899188; font-size: 9px; }
.mic-icon { width: 23px; height: 23px; display: grid; place-items: center; border-radius: 50%; background: var(--green); color: #5f803e; font-size: 9px; }
.art-note { position: absolute; display: flex; align-items: center; gap: 8px; color: #729250; font: 12px/1 ui-monospace, Consolas, monospace; letter-spacing: .04em; }
.art-note span { color: #667468; font: 11px/1.2 "Microsoft YaHei", sans-serif; letter-spacing: 0; }
.note-top { top: 11%; right: 14%; }
.note-bottom { bottom: 13%; left: 11%; }
.art-spark { position: absolute; color: #95b674; font-size: 22px; }
.spark-a { top: 22%; left: 14%; }
.spark-b { right: 12%; bottom: 23%; font-size: 14px; }
.hero-index { position: absolute; bottom: 26px; left: 0; color: #98a098; font: 10px/1.2 ui-monospace, Consolas, monospace; letter-spacing: .11em; }

.ticker { overflow: hidden; background: var(--green); color: #385033; }
.ticker-inner { min-height: 54px; width: min(1180px, calc(100% - 64px)); margin: auto; display: flex; align-items: center; justify-content: space-between; gap: 24px; white-space: nowrap; }
.ticker-inner span { font-family: var(--serif); font-size: 15px; }
.ticker-inner b { color: #718e50; font-size: 12px; }

.section { padding-block: 112px 121px; }
.section-heading { display: grid; grid-template-columns: 1fr 1fr; align-items: end; gap: 18px 60px; margin-bottom: 52px; }
.section-heading .eyebrow { grid-column: 1 / -1; margin-bottom: -4px; }
.section-heading h2, .feature-layout h2, .download-heading h2, .privacy-callout h2 { margin: 0; font-size: clamp(38px, 5vw, 58px); line-height: 1.2; letter-spacing: -.065em; font-weight: 680; }
.mobile-break { display: none; }
.section-intro { max-width: 420px; margin: 0 0 6px; color: var(--muted); font-size: 14px; line-height: 1.9; }
.steps-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.step-card { min-height: 280px; position: relative; padding: 27px 27px 25px; border: 1px solid var(--line); border-radius: 8px; background: rgba(255,254,250,.48); }
.step-card-featured { background: #e9efe0; border-color: #e9efe0; }
.step-number { color: #849182; font: 11px/1 ui-monospace, Consolas, monospace; }
.step-icon { height: 78px; display: flex; align-items: center; justify-content: center; margin: 9px 0 18px; color: #37523b; }
.icon-key { gap: 7px; }
.icon-key kbd { padding: 7px 11px; border: 1px solid #cbd5c1; border-bottom-width: 3px; border-radius: 5px; background: #f7f8f2; font: 11px/1.2 inherit; }
.icon-key > span { color: #82927d; font-size: 11px; }
.icon-key > i { color: #6d9149; font-size: 22px; font-style: normal; }
.icon-wave { gap: 6px; }
.icon-wave i { width: 5px; height: 18px; border-radius: 8px; background: #8aad65; }
.icon-wave i:nth-child(2), .icon-wave i:nth-child(6) { height: 34px; }
.icon-wave i:nth-child(3), .icon-wave i:nth-child(5) { height: 53px; }
.icon-wave i:nth-child(4) { height: 66px; background: #416846; }
.icon-text { gap: 9px; font-size: 11px; }
.icon-text span { padding: 6px 8px; border: 1px solid #d4dbce; border-radius: 4px; background: #f8f8f3; }
.icon-text b { color: #8da07b; }
.step-card h3, .feature-list h3, .notice h3 { margin: 0 0 8px; font-size: 16px; letter-spacing: -.03em; }
.step-card p { max-width: 315px; margin: 0; color: #68746b; font-size: 12px; line-height: 1.85; }

.feature-band { background: #172822; color: var(--white); }
.feature-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: 10%; padding-block: 92px 100px; }
.feature-layout .eyebrow { color: #b4c7a8; }
.feature-layout h2 { font-size: clamp(43px, 5.7vw, 66px); }
.feature-list article { display: grid; grid-template-columns: 38px 1fr; gap: 19px; padding-block: 21px; border-bottom: 1px solid rgba(245,248,237,.16); }
.feature-list article:first-child { padding-top: 0; }
.feature-index { color: var(--green); font: 12px/1.6 ui-monospace, Consolas, monospace; }
.feature-list h3 { color: #f4f5ed; font-size: 15px; }
.feature-list p { max-width: 440px; margin: 0; color: #bdc8bf; font-size: 12px; line-height: 1.85; }

.download-section { padding-block: 110px 112px; }
.download-heading { display: flex; align-items: end; justify-content: space-between; gap: 28px; margin-bottom: 32px; }
.download-heading .eyebrow { margin-bottom: 14px; }
.download-heading h2 { font-size: clamp(40px, 5vw, 57px); }
.download-heading > p { max-width: 340px; margin: 0 0 5px; color: var(--muted); font-size: 13px; line-height: 1.8; }
.download-panel { overflow: hidden; display: grid; grid-template-columns: 1fr .9fr; border: 1px solid var(--line); border-radius: 9px; background: var(--white); }
.download-main { display: flex; align-items: flex-start; gap: 20px; padding: 30px; }
.download-mark { flex: 0 0 auto; }
.download-title-row { display: flex; align-items: center; flex-wrap: wrap; gap: 11px; }
.download-title-row h3 { margin: 0; font-size: 19px; letter-spacing: -.04em; }
.platform-pill { padding: 4px 7px; border-radius: 3px; background: #edf1e7; color: #597143; font: 9px/1.4 ui-monospace, Consolas, monospace; letter-spacing: .04em; }
.release-status { min-height: 22px; margin: 8px 0 15px; color: #78837a; font-size: 11px; }
.download-button { min-width: 185px; }
.download-meta { display: grid; grid-template-columns: 1fr 1fr; gap: 17px 25px; padding: 30px; border-left: 1px solid #e8e9e1; background: #fafaf6; }
.download-meta > div { min-width: 0; }
.download-meta > div:nth-child(2) { grid-column: 1 / -1; }
.download-meta span { display: block; margin-bottom: 5px; color: #89938a; font-size: 10px; }
.download-meta strong { display: block; font-size: 13px; font-weight: 680; }
.download-meta code { display: block; overflow-wrap: anywhere; color: #53654f; font: 10px/1.7 ui-monospace, Consolas, monospace; }
.signature-warning { color: var(--orange); }
.signature-valid { color: #47723c; }
.download-notes { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 14px; }
.notice { display: grid; grid-template-columns: 28px 1fr; gap: 13px; padding: 20px; border: 1px solid #e5e6dc; border-radius: 7px; background: #eeefe8; }
.notice-model { background: #eaf0e4; border-color: #e0e7d8; }
.notice-symbol { color: #718b50; font: 20px/1.2 var(--serif); }
.notice-signature .notice-symbol { color: var(--orange); }
.notice h3 { margin-bottom: 5px; font-size: 12px; }
.notice p { margin: 0; color: #647065; font-size: 11px; line-height: 1.8; }
.download-footnote { margin: 18px 0 0; color: #7d877e; font-size: 11px; }
.download-footnote a { color: #4c6b3c; font-weight: 680; }

.privacy-callout { position: relative; display: grid; grid-template-columns: 70px 1fr auto; align-items: center; gap: 26px; margin-bottom: 100px; padding: 42px; border-radius: 9px; background: #dfe8d6; }
.privacy-mark { width: 56px; height: 56px; display: grid; place-items: center; border: 1px solid #aabd9d; border-radius: 50%; color: #4d7141; font: 39px/1 var(--serif); }
.privacy-callout .eyebrow { margin-bottom: 10px; }
.privacy-callout h2 { font-size: 31px; }
.privacy-callout p:not(.eyebrow) { max-width: 570px; margin: 11px 0 0; color: #586a57; font-size: 12px; line-height: 1.85; }
.privacy-callout .button { white-space: nowrap; }

.site-footer { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 15px 25px; min-height: 130px; border-top: 1px solid var(--line); }
.footer-brand { font-size: 16px; }
.site-footer > p { margin: 0; color: #8a948a; font-family: var(--serif); font-size: 12px; }
.footer-links { display: flex; gap: 19px; }
.footer-links a { color: #5d6b60; font-size: 11px; text-decoration: none; }
.site-footer small { grid-column: 1 / -1; justify-self: end; margin-top: -25px; color: #9aa198; font-size: 9px; }

/* Privacy page */
.privacy-page { padding-block: 83px 100px; }
.privacy-hero { max-width: 740px; padding-bottom: 58px; }
.privacy-hero h1 { font-size: clamp(54px, 7vw, 82px); }
.privacy-hero > p:not(.eyebrow):not(.updated-note) { max-width: 580px; margin: 22px 0 12px; color: #627067; font-size: 15px; line-height: 1.9; }
.updated-note { color: #89948b; font-size: 10px; }
.privacy-content { display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: 0 62px; border-top: 1px solid var(--line); }
.privacy-toc { position: sticky; top: 20px; align-self: start; display: flex; flex-direction: column; gap: 10px; padding-top: 29px; }
.privacy-toc span { margin-bottom: 5px; color: #90988f; font-size: 10px; }
.privacy-toc a { color: #5a695e; font-size: 11px; text-decoration: none; }
.privacy-toc a:hover { color: #36583a; text-decoration: underline; }
.privacy-section { display: grid; grid-template-columns: 44px 1fr; gap: 20px; padding-block: 31px 33px; border-bottom: 1px solid var(--line); scroll-margin-top: 25px; }
.privacy-section-index { padding-top: 5px; color: #789153; font: 11px/1.2 ui-monospace, Consolas, monospace; }
.privacy-section h2 { margin: 0 0 12px; font-size: 22px; letter-spacing: -.05em; }
.privacy-section p { margin: 0 0 12px; color: #58675e; font-size: 12px; line-height: 2; }
.privacy-section p:last-child { margin-bottom: 0; }
.privacy-section code { padding: 2px 4px; border-radius: 3px; background: #e8ebe2; color: #39523a; font: 10px/1.5 ui-monospace, Consolas, monospace; overflow-wrap: anywhere; }
.privacy-section pre { max-width: 100%; overflow-x: auto; margin: 11px 0 15px; padding: 12px 15px; border-radius: 5px; background: #e7ebe1; color: #314b35; font: 10px/1.7 ui-monospace, Consolas, monospace; }
.source-note { padding: 13px 15px; border-left: 2px solid #9bb57a; background: #e9ece3; }
.source-note a { color: #3e673c; }
.privacy-footnote { grid-column: 2; margin-top: 24px; padding: 18px 20px; border: 1px solid var(--line); border-radius: 6px; background: #eceee7; }
.privacy-footnote strong { font-size: 11px; }
.privacy-footnote p { margin: 5px 0 0; color: #6c786e; font-size: 11px; line-height: 1.8; }

@keyframes pulse-wave { from { transform: scaleY(.48); opacity: .62; } to { transform: scaleY(1); opacity: 1; } }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

@media (max-width: 900px) {
  .site-header { gap: 20px; }
  .site-nav { gap: 20px; }
  .hero { min-height: 570px; grid-template-columns: 1fr .88fr; }
  .hero-art { min-height: 360px; }
  .hero h1 { font-size: clamp(56px, 8vw, 78px); }
  .feature-layout { gap: 6%; }
  .privacy-callout { grid-template-columns: 56px 1fr; }
  .privacy-callout .button { grid-column: 2; justify-self: start; }
}

@media (max-width: 680px) {
  .page-shell, .ticker-inner { width: min(100% - 40px, 560px); }
  .site-header { width: calc(100% - 40px); min-height: 72px; flex-wrap: wrap; gap: 0 12px; padding-block: 13px 10px; }
  .brand { font-size: 17px; }
  .brand img { width: 33px; height: 33px; }
  .site-nav { order: 3; width: 100%; justify-content: space-between; gap: 12px; padding-top: 15px; }
  .site-nav a, .header-cta { font-size: 11px; }
  .header-cta { margin-left: auto; }
  .hero { display: block; min-height: auto; padding-block: 59px 57px; }
  .hero-copy { padding: 0; }
  .eyebrow { margin-bottom: 17px; font-size: 9px; }
  .hero h1, .privacy-hero h1 { font-size: clamp(54px, 15vw, 76px); }
  .hero-lede { max-width: 520px; margin-block: 18px 22px; font-size: 13px; }
  .hero-actions { gap: 18px; }
  .button { min-height: 45px; padding-inline: 16px; font-size: 12px; }
  .hero-facts { gap: 8px 13px; margin-top: 25px; font-size: 9px; }
  .hero-art { min-height: 330px; margin-top: 22px; }
  .voice-card { width: min(365px, 83%); padding: 18px; }
  .voice-card > p { font-size: 17px; }
  .hero-index { bottom: 7px; font-size: 8px; }
  .ticker-inner { min-height: 47px; gap: 15px; }
  .ticker-inner span { font-size: 12px; }
  .ticker-inner span:nth-of-type(n+5), .ticker-inner b:nth-of-type(n+5) { display: none; }
  .section { padding-block: 72px 78px; }
  .section-heading { display: block; margin-bottom: 28px; }
  .section-heading h2, .feature-layout h2, .download-heading h2 { font-size: 39px; }
  .mobile-break { display: initial; }
  .section-intro { margin-top: 14px; font-size: 12px; }
  .steps-grid { grid-template-columns: 1fr; gap: 10px; }
  .step-card { min-height: unset; padding: 20px; }
  .step-icon { height: 59px; justify-content: flex-start; margin: 5px 0 12px; padding-left: 12px; }
  .step-card p { max-width: none; }
  .feature-layout { display: block; padding-block: 69px 74px; }
  .feature-layout h2 { margin-bottom: 33px; }
  .feature-list article { grid-template-columns: 25px 1fr; gap: 12px; padding-block: 18px; }
  .download-section { padding-block: 74px 77px; }
  .download-heading { display: block; margin-bottom: 23px; }
  .download-heading > p { margin-top: 13px; font-size: 12px; }
  .download-panel { grid-template-columns: 1fr; }
  .download-main { gap: 13px; padding: 20px; }
  .download-mark img { width: 38px; height: 38px; }
  .download-title-row h3 { font-size: 15px; }
  .release-status { font-size: 10px; }
  .download-meta { gap: 12px 18px; padding: 19px 20px; border-top: 1px solid #e8e9e1; border-left: 0; }
  .download-meta code { font-size: 9px; }
  .download-button { min-width: 0; }
  .download-notes { grid-template-columns: 1fr; gap: 9px; }
  .notice { padding: 16px; }
  .privacy-callout { grid-template-columns: 1fr; gap: 16px; margin-bottom: 63px; padding: 25px; }
  .privacy-mark { width: 46px; height: 46px; font-size: 32px; }
  .privacy-callout h2 { font-size: 29px; }
  .privacy-callout .button { grid-column: auto; }
  .site-footer { grid-template-columns: 1fr auto; gap: 10px; padding-block: 22px; }
  .site-footer > p { grid-column: 1 / -1; grid-row: 2; }
  .footer-links { grid-column: 1 / -1; grid-row: 3; gap: 16px; }
  .site-footer small { grid-column: 1 / -1; grid-row: 4; justify-self: start; margin-top: 0; }
  .privacy-page { padding-block: 56px 75px; }
  .privacy-hero { padding-bottom: 36px; }
  .privacy-hero > p:not(.eyebrow):not(.updated-note) { font-size: 13px; }
  .privacy-content { display: block; }
  .privacy-toc { position: static; flex-direction: row; flex-wrap: wrap; gap: 8px 14px; padding-block: 17px; border-bottom: 1px solid var(--line); }
  .privacy-toc span { width: 100%; }
  .privacy-section { grid-template-columns: 28px 1fr; gap: 10px; padding-block: 23px; }
  .privacy-section h2 { font-size: 19px; }
  .privacy-section p { font-size: 11px; }
  .privacy-footnote { margin-top: 18px; }
}

@media (max-width: 380px) {
  .page-shell, .ticker-inner, .site-header { width: calc(100% - 32px); }
  .site-nav { gap: 8px; }
  .site-nav a, .header-cta { font-size: 10px; }
  .hero h1, .privacy-hero h1 { font-size: 53px; }
  .hero-facts { gap: 8px; }
  .download-main { padding-inline: 15px; }
  .download-meta { padding-inline: 15px; }
  .download-title-row { gap: 7px; }
}