:root {
  --ink: #17221f;
  --muted: #5f6e69;
  --line: #d7e1dd;
  --soft-line: #e8eeeb;
  --paper: #ffffff;
  --canvas: #f4f7f5;
  --canvas-strong: #eaf1ed;
  --green: #08795f;
  --green-dark: #05634e;
  --green-soft: #dff2eb;
  --sky: #2f88c8;
  --sky-soft: #e4f1fa;
  --gold: #e5aa21;
  --gold-soft: #fff3cf;
  --coral: #c96455;
  --coral-soft: #fae9e5;
  --charcoal: #26322f;
  --shadow: 0 18px 48px rgba(24, 42, 36, 0.13);
  --font: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  letter-spacing: 0;
  text-rendering: optimizeLegibility;
}
button, input, textarea, select { font: inherit; letter-spacing: 0; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; }
img { display: block; max-width: 100%; }
[hidden] { display: none !important; }
[data-lang="en"] { display: none !important; }
html[data-locale="en"] [data-lang="zh"] { display: none !important; }
html[data-locale="en"] [data-lang="en"] { display: revert !important; }

.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 200;
  padding: 10px 14px;
  color: #fff;
  background: var(--charcoal);
  border-radius: 6px;
  text-decoration: none;
}
.skip-link:focus { top: 12px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: 72px;
  border-bottom: 1px solid rgba(215, 225, 221, 0.92);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
}
.header-inner,
.section-inner,
.footer-inner,
.hero-copy {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}
.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 30px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-size: 21px;
  font-weight: 800;
  text-decoration: none;
}
.brand img { border-radius: 8px; }
.primary-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-left: auto;
}
.primary-nav a,
.footer-links a {
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
  text-decoration: none;
}
.primary-nav a:hover,
.footer-links a:hover,
.text-link:hover { color: var(--green); }
.language-switch {
  display: inline-flex;
  flex: 0 0 auto;
  height: 36px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--canvas);
}
.language-switch button {
  min-width: 38px;
  padding: 0 9px;
  border: 0;
  border-radius: 4px;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
  font-size: 13px;
  font-weight: 750;
}
.language-switch button[aria-pressed="true"] {
  color: #fff;
  background: var(--green);
}

.hero {
  overflow: hidden;
  padding: 62px 0 38px;
  border-bottom: 1px solid var(--line);
  background: var(--canvas);
}
.hero-copy { position: relative; z-index: 2; }
.eyebrow {
  margin: 0 0 12px;
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}
.hero h1 {
  margin: 0;
  font-size: 76px;
  line-height: 0.98;
  font-weight: 850;
}
.hero-lead {
  max-width: 820px;
  margin: 18px 0 0;
  font-size: 28px;
  line-height: 1.35;
  font-weight: 720;
}
.hero-support {
  max-width: 800px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 17px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border: 1px solid transparent;
  border-radius: 7px;
  font-size: 15px;
  font-weight: 760;
  text-decoration: none;
  cursor: pointer;
}
.button-primary { color: #fff; background: var(--green); }
.button-primary:hover { background: var(--green-dark); }
.button-secondary { color: var(--ink); border-color: var(--line); background: var(--paper); }
.button-secondary:hover { border-color: var(--green); color: var(--green); }
.button-light { color: var(--green-dark); background: #fff; }
.text-link { color: var(--green); font-weight: 750; text-underline-offset: 4px; }
[data-store-link][data-store-ready="false"] .store-ready-copy,
[data-store-link][data-store-ready="true"] .store-pending-copy { display: none; }
.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  margin-top: 24px;
  color: var(--muted);
  font-size: 13px;
}
.hero-facts > span { display: inline-flex; align-items: center; gap: 7px; }
.hero-facts b { color: var(--gold); font-size: 11px; }

.product-demo {
  width: min(1180px, calc(100% - 48px));
  min-height: 620px;
  margin: 50px auto 0;
  overflow: hidden;
  border: 1px solid #cbd8d3;
  border-radius: 8px;
  background: var(--paper);
  box-shadow: var(--shadow);
}
.demo-topbar {
  height: 44px;
  display: grid;
  grid-template-columns: 90px minmax(180px, 420px) 1fr;
  align-items: center;
  gap: 12px;
  padding: 0 14px;
  border-bottom: 1px solid var(--line);
  background: #f7f9f8;
}
.demo-browser-controls { display: flex; gap: 6px; }
.demo-browser-controls i { width: 9px; height: 9px; border-radius: 50%; background: #b8c5c0; }
.demo-browser-controls i:nth-child(1) { background: var(--coral); }
.demo-browser-controls i:nth-child(2) { background: var(--gold); }
.demo-browser-controls i:nth-child(3) { background: #3aa983; }
.demo-address {
  overflow: hidden;
  padding: 6px 14px;
  border: 1px solid var(--soft-line);
  border-radius: 6px;
  color: #78847f;
  background: #fff;
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.demo-brand {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  font-size: 13px;
  font-weight: 800;
}
.demo-brand img { border-radius: 5px; }
.demo-workspace { height: 430px; display: grid; grid-template-columns: 220px minmax(0, 1fr); }
.demo-sidebar { border-right: 1px solid var(--line); background: #f7f9f8; }
.demo-search { height: 31px; margin: 14px; border-radius: 5px; background: #e5ebe8; }
.demo-contact {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  min-height: 64px;
  padding: 10px 14px;
  color: var(--muted);
}
.demo-contact.is-active { color: var(--ink); background: #e7f3ef; }
.demo-contact span:last-child { min-width: 0; }
.demo-contact b, .demo-contact small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.demo-contact b { font-size: 13px; }
.demo-contact small { color: var(--muted); font-size: 11px; }
.avatar {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  border-radius: 50%;
  font-size: 11px;
  font-weight: 850;
}
.avatar-green { color: #075d49; background: #bfe9dc; }
.avatar-blue { color: #245f8a; background: #cfe7f7; }
.avatar-gold { color: #7a5914; background: #f7e3a9; }
.demo-chat { position: relative; min-width: 0; overflow: hidden; background: #eef3f0; }
.demo-chat-header {
  height: 60px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--line);
  background: #fff;
}
.demo-customer { min-width: 0; }
.demo-customer b, .demo-customer small { display: block; }
.demo-customer b { font-size: 14px; }
.demo-customer small { color: var(--muted); font-size: 11px; }
.demo-ai-button {
  margin-left: auto;
  padding: 7px 12px;
  border: 0;
  border-radius: 6px;
  color: #fff;
  background: var(--green);
  font-size: 12px;
  font-weight: 780;
}
.demo-tags {
  min-height: 39px;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 6px 16px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.92);
}
.demo-tags span {
  flex: 0 0 auto;
  padding: 4px 8px;
  border: 1px solid #b8d5cb;
  border-radius: 5px;
  color: #426058;
  background: #fff;
  font-size: 10px;
  font-weight: 700;
  transition: color 240ms ease, border-color 240ms ease, background 240ms ease, transform 240ms ease;
}
.demo-messages { height: 255px; padding: 14px 16px 76px; overflow: hidden; }
.demo-message {
  width: min(520px, 78%);
  margin: 0 0 10px;
  padding: 10px 12px;
  border-radius: 7px;
  background: #fff;
  box-shadow: 0 4px 12px rgba(30, 50, 43, 0.07);
  font-size: 12px;
}
.demo-message p { margin: 0; line-height: 1.45; }
.demo-translation,
.demo-transcript {
  max-height: 0;
  margin-top: 0;
  overflow: hidden;
  opacity: 0;
  transform: translateY(-6px);
  transition: max-height 420ms ease, margin 420ms ease, padding 420ms ease, opacity 300ms ease, transform 420ms ease;
}
.demo-translation small,
.demo-transcript small { display: block; margin-bottom: 3px; color: var(--green); font-size: 9px; font-weight: 800; }
.demo-message-voice { width: min(400px, 66%); }
.voice-row { display: grid; grid-template-columns: 28px minmax(0, 1fr) 32px; gap: 8px; align-items: center; }
.voice-row button { width: 28px; height: 28px; padding: 0; border: 0; color: #fff; border-radius: 50%; background: var(--green); font-size: 9px; }
.voice-row span { color: var(--muted); font-size: 10px; }
.waveform { height: 24px; display: flex; align-items: center; gap: 3px; }
.waveform i { width: 3px; border-radius: 2px; background: #72b9a4; }
.waveform i:nth-child(1), .waveform i:nth-child(6), .waveform i:nth-child(11) { height: 8px; }
.waveform i:nth-child(2), .waveform i:nth-child(5), .waveform i:nth-child(9) { height: 14px; }
.waveform i:nth-child(3), .waveform i:nth-child(8), .waveform i:nth-child(12) { height: 20px; }
.waveform i:nth-child(4), .waveform i:nth-child(7), .waveform i:nth-child(10) { height: 11px; }
.demo-composer {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 12px;
  min-height: 55px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 34px;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border: 1px solid #cad8d3;
  border-radius: 7px;
  background: #fff;
}
.demo-composer p { grid-column: 1; margin: 0; overflow: hidden; font-size: 11px; line-height: 1.35; text-overflow: ellipsis; white-space: nowrap; }
.demo-composer button { grid-column: 2; grid-row: 1 / span 3; width: 34px; height: 34px; border: 0; border-radius: 50%; color: #fff; background: var(--green); }
.composer-language { display: none; gap: 7px; color: var(--muted); font-size: 9px; }
.composer-language b { color: var(--green); }
.composer-result { max-height: 0; opacity: 0; color: var(--green-dark); transition: max-height 260ms ease, opacity 260ms ease; }
.demo-ai-panel {
  position: absolute;
  inset: 60px 0 0;
  z-index: 5;
  padding: 18px;
  visibility: hidden;
  opacity: 0;
  transform: translateY(-12px);
  background: rgba(248, 251, 249, 0.98);
  transition: opacity 280ms ease, transform 280ms ease, visibility 0s linear 280ms;
}
.demo-ai-panel > header { display: flex; align-items: start; justify-content: space-between; gap: 12px; }
.demo-ai-panel header b, .demo-ai-panel header small { display: block; }
.demo-ai-panel header b { font-size: 16px; }
.demo-ai-panel header small { color: var(--muted); font-size: 10px; }
.match-score { padding: 4px 8px; border-radius: 5px; color: #116650; background: var(--green-soft); font-size: 10px; font-weight: 750; }
.demo-suggestions { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 14px; }
.suggestion { min-width: 0; padding: 13px; border: 1px solid var(--line); border-radius: 7px; background: #fff; }
.suggestion.is-selected { border-color: var(--green); }
.suggestion b { font-size: 12px; }
.suggestion p { margin: 5px 0 0; font-size: 11px; line-height: 1.5; }
.suggestion button { width: 100%; margin-top: 10px; padding: 7px; border: 0; border-radius: 5px; color: #fff; background: var(--green); font-size: 10px; font-weight: 750; }

.product-demo[data-step="1"] .demo-translation,
.product-demo[data-step="2"] .demo-translation,
.product-demo[data-step="3"] .demo-translation,
.product-demo[data-step="4"] .demo-translation,
.product-demo[data-step="5"] .demo-translation {
  max-height: 90px;
  margin-top: 8px;
  padding-top: 7px;
  border-top: 1px solid var(--soft-line);
  opacity: 1;
  transform: translateY(0);
}
.product-demo[data-step="2"] .demo-transcript,
.product-demo[data-step="3"] .demo-transcript,
.product-demo[data-step="4"] .demo-transcript,
.product-demo[data-step="5"] .demo-transcript {
  max-height: 132px;
  margin-top: 8px;
  padding-top: 7px;
  border-top: 1px solid var(--soft-line);
  opacity: 1;
  transform: translateY(0);
}
.product-demo[data-step="3"] .composer-language,
.product-demo[data-step="4"] .composer-language,
.product-demo[data-step="5"] .composer-language { display: flex; }
.product-demo[data-step="3"] .composer-result,
.product-demo[data-step="5"] .composer-result { max-height: 40px; opacity: 1; }
.product-demo[data-step="4"] .demo-ai-panel { visibility: visible; opacity: 1; transform: translateY(0); transition-delay: 0s; }
.product-demo[data-step="5"] .demo-tags span { color: #075d49; border-color: var(--green); background: var(--green-soft); transform: translateY(-1px); }
.product-demo[data-step="5"] .demo-tags span:nth-child(2) { transition-delay: 80ms; }
.product-demo[data-step="5"] .demo-tags span:nth-child(3) { transition-delay: 160ms; }
.product-demo[data-step="5"] .demo-tags span:nth-child(4) { transition-delay: 240ms; }

.demo-controls {
  min-height: 77px;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  background: #fff;
}
.demo-step-list { display: grid; grid-template-columns: repeat(5, minmax(96px, 1fr)); gap: 7px; flex: 1; }
.demo-step-list button {
  min-width: 0;
  height: 50px;
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  align-items: center;
  gap: 7px;
  padding: 5px 9px;
  border: 1px solid transparent;
  border-radius: 6px;
  color: var(--muted);
  background: var(--canvas);
  cursor: pointer;
  text-align: left;
}
.demo-step-list button b { color: #8a9692; font-size: 10px; }
.demo-step-list button span { min-width: 0; overflow: hidden; font-size: 11px; font-weight: 720; text-overflow: ellipsis; white-space: nowrap; }
.demo-step-list button[aria-current="step"] { color: #fff; background: var(--green); }
.demo-step-list button[aria-current="step"] b { color: #d7eee7; }
.demo-playback { display: flex; gap: 7px; }
.icon-button {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--charcoal);
  background: #fff;
  cursor: pointer;
  font-size: 18px;
}
.icon-button:hover { border-color: var(--green); color: var(--green); }
.demo-toggle .play-icon { display: none; font-size: 12px; }
.demo-toggle[data-playing="false"] .pause-icon { display: none; }
.demo-toggle[data-playing="false"] .play-icon { display: inline; }
.demo-caption { min-height: 50px; padding: 12px 20px; border-top: 1px solid var(--soft-line); color: var(--muted); background: #f8faf9; }
.demo-caption p { margin: 0; text-align: center; font-size: 13px; }

.section { padding: 94px 0; }
.section-heading { max-width: 750px; margin-bottom: 38px; }
.section-heading h2,
.workflow-copy h2,
.privacy-band h2,
.closing-section h1,
.closing-section h2,
.privacy-hero h1 {
  margin: 0;
  font-size: 40px;
  line-height: 1.22;
}
.section-heading > p:last-child,
.workflow-copy > p,
.closing-section > p { color: var(--muted); }
.feature-section { background: #fff; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.feature-card {
  min-height: 270px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}
.feature-mark {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 7px;
  font-size: 17px;
  font-weight: 850;
}
.mark-green { color: #075d49; background: var(--green-soft); }
.mark-blue { color: #275f84; background: var(--sky-soft); }
.mark-gold { color: #795812; background: var(--gold-soft); }
.mark-charcoal { color: #fff; background: var(--charcoal); font-size: 12px; }
.mark-coral { color: #8e4034; background: var(--coral-soft); }
.mark-sky { color: #1f6c9e; background: #ddecf7; }
.feature-card h3 { margin: 20px 0 9px; font-size: 20px; line-height: 1.3; }
.feature-card p { margin: 0; color: var(--muted); font-size: 14px; }

.workflow-section { border-block: 1px solid var(--line); background: var(--canvas); }
.workflow-layout { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 80px; align-items: start; }
.workflow-copy { position: sticky; top: 110px; }
.workflow-copy > p { margin: 16px 0; }
.workflow-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.workflow-list li {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 14px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}
.workflow-list li > b { color: var(--gold); font-size: 13px; }
.workflow-list strong, .workflow-list small { display: block; }
.workflow-list strong { font-size: 18px; }
.workflow-list small { margin-top: 5px; color: var(--muted); font-size: 13px; }

.privacy-band { color: #fff; background: var(--charcoal); }
.privacy-band .eyebrow { color: #87d4bd; }
.privacy-band-inner { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 48px 72px; align-items: start; }
.privacy-points { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.privacy-points p { margin: 0; color: #c8d4d0; font-size: 13px; }
.privacy-points b { display: block; margin-bottom: 7px; color: #fff; font-size: 15px; }
.privacy-band .button { grid-column: 2; justify-self: start; }

.faq-layout { display: grid; grid-template-columns: 0.75fr 1.25fr; gap: 70px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { padding: 22px 36px 22px 0; cursor: pointer; font-size: 17px; font-weight: 760; }
.faq-list details p { margin: -8px 0 22px; color: var(--muted); font-size: 14px; }

.closing-section { padding: 90px 0; text-align: center; background: var(--canvas); }
.closing-inner { display: flex; flex-direction: column; align-items: center; }
.closing-inner img { margin-bottom: 24px; border-radius: 14px; }
.closing-inner p { margin: 13px 0 24px; color: var(--muted); }
.site-footer { padding: 44px 0; border-top: 1px solid var(--line); background: #fff; }
.footer-inner { display: grid; grid-template-columns: 1fr auto; gap: 24px 60px; align-items: start; }
.footer-inner > div:first-child p { margin: 9px 0 0; color: var(--muted); font-size: 13px; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 18px; }
.footer-legal { grid-column: 1 / -1; margin: 12px 0 0; padding-top: 20px; border-top: 1px solid var(--soft-line); color: #87928e; font-size: 12px; }

[data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity 560ms ease, transform 560ms ease; }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

/* Privacy page */
.privacy-hero { padding: 72px 0 54px; border-bottom: 1px solid var(--line); background: var(--canvas); }
.privacy-hero-inner { width: min(900px, calc(100% - 48px)); margin: 0 auto; }
.privacy-hero h1 { margin-top: 8px; font-size: 52px; }
.privacy-hero .policy-meta { display: flex; flex-wrap: wrap; gap: 8px 18px; margin: 18px 0 0; color: var(--muted); font-size: 13px; }
.privacy-summary { margin-top: 26px; padding: 20px; border-left: 4px solid var(--green); background: #fff; }
.privacy-summary p { margin: 0; }
.privacy-layout { width: min(1100px, calc(100% - 48px)); display: grid; grid-template-columns: 230px minmax(0, 1fr); gap: 60px; margin: 0 auto; padding: 60px 0 100px; }
.privacy-toc { position: sticky; top: 102px; align-self: start; }
.privacy-toc strong { display: block; margin-bottom: 10px; font-size: 13px; }
.privacy-toc a { display: block; padding: 6px 0; color: var(--muted); font-size: 13px; text-decoration: none; }
.privacy-toc a:hover { color: var(--green); }
.policy-section { scroll-margin-top: 100px; padding: 0 0 38px; margin: 0 0 38px; border-bottom: 1px solid var(--line); }
.policy-section:last-child { border-bottom: 0; }
.policy-section h2 { margin: 0 0 16px; font-size: 26px; line-height: 1.3; }
.policy-section h3 { margin: 24px 0 8px; font-size: 17px; }
.policy-section p { margin: 0 0 12px; color: #44524d; }
.policy-section ul { margin: 10px 0 16px; padding-left: 22px; color: #44524d; }
.policy-section li { margin: 7px 0; }
.policy-table { width: 100%; margin: 18px 0; border-collapse: collapse; font-size: 14px; }
.policy-table th, .policy-table td { padding: 13px 14px; border: 1px solid var(--line); text-align: left; vertical-align: top; }
.policy-table th { background: var(--canvas); }
.policy-note { padding: 16px; border-left: 4px solid var(--gold); background: var(--gold-soft); color: #5e4a16 !important; }
.limited-use { padding: 22px; border: 1px solid #acd4c7; border-radius: 8px; background: var(--green-soft); }
.limited-use p:last-child { margin-bottom: 0; }

@media (max-width: 900px) {
  .primary-nav a:nth-child(-n+3) { display: none; }
  .hero { padding-top: 48px; }
  .hero h1 { font-size: 64px; }
  .hero-lead { font-size: 24px; }
  .product-demo { min-height: 610px; }
  .demo-workspace { grid-template-columns: 160px minmax(0, 1fr); }
  .demo-sidebar { overflow: hidden; }
  .demo-step-list { overflow-x: auto; grid-template-columns: repeat(5, 114px); }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .workflow-layout, .faq-layout { grid-template-columns: 1fr; gap: 38px; }
  .workflow-copy { position: static; }
  .privacy-band-inner { grid-template-columns: 1fr; }
  .privacy-points { grid-template-columns: repeat(3, 1fr); }
  .privacy-band .button { grid-column: 1; }
  .privacy-layout { grid-template-columns: 1fr; gap: 26px; }
  .privacy-toc { position: static; display: flex; flex-wrap: wrap; gap: 2px 16px; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
  .privacy-toc strong { flex-basis: 100%; }
}

@media (max-width: 640px) {
  .header-inner, .section-inner, .footer-inner, .hero-copy { width: min(100% - 32px, 1180px); }
  .site-header { height: 64px; }
  .header-inner { gap: 12px; }
  .brand { font-size: 18px; }
  .brand img { width: 32px; height: 32px; }
  .primary-nav { margin-left: auto; }
  .primary-nav a { display: none; }
  .primary-nav a:last-child { display: block; }
  .language-switch { height: 34px; }
  .language-switch button { min-width: 34px; padding-inline: 7px; }
  .hero { padding: 38px 0 26px; }
  .hero h1 { font-size: 52px; }
  .hero-lead { font-size: 21px; }
  .hero-support { font-size: 15px; }
  .hero-actions { display: grid; grid-template-columns: 1fr; }
  .button { width: 100%; }
  .hero-facts { gap: 10px 16px; }
  .product-demo { width: 100%; min-height: 596px; margin-top: 36px; border-inline: 0; border-radius: 0; }
  .demo-topbar { grid-template-columns: 50px minmax(0, 1fr); }
  .demo-brand { display: none; }
  .demo-workspace { grid-template-columns: 1fr; height: 420px; }
  .demo-sidebar { display: none; }
  .demo-chat-header { padding-inline: 12px; }
  .demo-tags { padding-inline: 12px; }
  .demo-messages { padding-inline: 12px; }
  .demo-message { width: 88%; }
  .demo-message-voice { width: 82%; }
  .demo-ai-panel { padding: 12px; }
  .demo-suggestions { grid-template-columns: 1fr; }
  .demo-suggestions .suggestion:nth-child(2) { display: none; }
  .demo-controls { align-items: stretch; padding: 10px 12px; }
  .demo-step-list { grid-template-columns: repeat(5, 104px); }
  .demo-step-list button { grid-template-columns: 20px minmax(0, 1fr); }
  .demo-playback { flex-direction: column; }
  .demo-playback .icon-button { width: 34px; height: 24px; font-size: 14px; }
  .demo-caption { min-height: 72px; padding-inline: 16px; }
  .section { padding: 68px 0; }
  .section-heading h2, .workflow-copy h2, .privacy-band h2, .closing-section h1, .closing-section h2 { font-size: 32px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: auto; }
  .privacy-points { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-links { justify-content: flex-start; }
  .footer-legal { grid-column: 1; }
  .privacy-hero { padding: 48px 0 38px; }
  .privacy-hero-inner, .privacy-layout { width: calc(100% - 32px); }
  .privacy-hero h1 { font-size: 40px; }
  .privacy-layout { padding-top: 38px; }
  .policy-section h2 { font-size: 23px; }
  .policy-table { display: block; overflow-x: auto; white-space: normal; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
}