:root {
  --bg: #ffffff;
  --surface: #f5f8ff;
  --surface-strong: #eaf2ff;
  --ink: #17213a;
  --muted: #657188;
  --line: #dfe7f2;
  --blue: #4d78ef;
  --blue-dark: #315fca;
  --green-soft: #e2f6ee;
  --purple-soft: #f0eaff;
  --warm-soft: #fff0d9;
  --shadow: 0 20px 60px rgba(52, 80, 124, 0.14);
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
.container { width: min(var(--container), calc(100% - 40px)); margin-inline: auto; }
.skip-link { position: absolute; left: 16px; top: -100px; z-index: 999; padding: 10px 14px; background: var(--ink); color: #fff; border-radius: 8px; }
.skip-link:focus { top: 12px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255, 255, 255, 0.96); border-bottom: 1px solid var(--line); backdrop-filter: blur(14px); }
.nav-wrap { min-height: 72px; display: flex; align-items: center; gap: 28px; }
.brand { flex: 0 0 auto; display: inline-flex; align-items: center; gap: 9px; color: var(--ink); font-size: 18px; font-weight: 700; }
.brand img { width: 38px; height: 38px; object-fit: contain; }
.main-nav { display: flex; align-items: center; gap: 25px; margin-left: auto; }
.main-nav > a, .nav-dropdown-button, .language-button { color: var(--muted); font-size: 15px; }
.main-nav > a:hover, .nav-dropdown-button:hover, .language-button:hover { color: var(--ink); }
.main-nav > a.active, .nav-dropdown-button.active { color: var(--blue-dark); font-weight: 600; }
.nav-dropdown { position: relative; }
.nav-dropdown-button, .language-button { display: inline-flex; align-items: center; gap: 4px; padding: 16px 0; border: 0; background: transparent; cursor: pointer; white-space: nowrap; }
.nav-dropdown-button i { transition: transform 180ms ease; }
.nav-dropdown.open .nav-dropdown-button i { transform: rotate(180deg); }
.nav-dropdown-menu { position: absolute; top: 54px; left: -20px; min-width: 204px; display: none; padding: 9px; background: #fff; border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow); }
.nav-dropdown.open .nav-dropdown-menu { display: grid; }
.nav-dropdown-menu a { display: flex; align-items: center; gap: 10px; padding: 11px 12px; color: var(--muted); border-radius: 10px; }
.nav-dropdown-menu a:hover { color: var(--ink); background: var(--surface); }
.nav-dropdown-menu a.active { color: var(--blue-dark); background: var(--blue-soft); font-weight: 600; }
.nav-dropdown-menu i { color: var(--blue); }
.language-switcher { position: relative; }
.language-button > i:last-child { transition: transform 180ms ease; }
.language-switcher.open .language-button > i:last-child { transform: rotate(180deg); }
.language-menu { position: absolute; top: 54px; right: -18px; min-width: 190px; display: none; padding: 9px; background: #fff; border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow); }
.language-switcher.open .language-menu { display: grid; }
.language-option { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 11px; border: 0; border-radius: 9px; background: transparent; color: var(--muted); text-align: left; cursor: pointer; }
.language-option:hover, .language-option.active { background: var(--surface); color: var(--ink); }
.language-option:disabled { cursor: default; opacity: 0.68; }
.language-option span { color: var(--blue-dark); font-size: 11px; }
.mobile-menu-button { display: none; }

.button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 0 20px; border: 1px solid var(--blue); border-radius: 13px; background: var(--blue); color: #fff; font-weight: 600; box-shadow: 0 10px 24px rgba(77, 120, 239, 0.23); transition: transform 180ms ease, background 180ms ease, border-color 180ms ease; }
.button:hover { background: var(--blue-dark); border-color: var(--blue-dark); transform: translateY(-1px); }
.button:focus-visible, .platform-download:focus-visible, .main-nav a:focus-visible, .nav-dropdown-button:focus-visible, .language-button:focus-visible, .mobile-menu-button:focus-visible { outline: 3px solid rgba(77, 120, 239, 0.35); outline-offset: 3px; }
.button-small { min-height: 42px; padding-inline: 16px; font-size: 14px; }
.button-outline { background: #fff; color: var(--ink); border-color: var(--line); box-shadow: none; }
.button-outline:hover { background: var(--surface); color: var(--ink); border-color: #cad6e7; }
.button-white { background: #fff; color: var(--blue-dark); border-color: #fff; box-shadow: none; }
.button-white:hover { background: #f2f6ff; color: var(--blue-dark); border-color: #f2f6ff; }

.hero { padding: 80px 0 46px; background: var(--surface); border-bottom: 1px solid var(--line); }
.hero-grid { display: block; max-width: 880px; text-align: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 7px; margin: 0 0 16px; color: var(--blue-dark); font-size: 14px; font-weight: 600; }
.hero h1 { margin: 0; max-width: 700px; font-size: clamp(46px, 6vw, 72px); line-height: 1.08; letter-spacing: -0.045em; font-weight: 700; }
.hero h1 span { color: var(--blue); }
.hero-description { max-width: 700px; margin: 24px auto 0; color: var(--muted); font-size: 18px; line-height: 1.85; }
.hero-actions { display: flex; justify-content: center; gap: 12px; margin-top: 30px; flex-wrap: wrap; }
.hero-trust { display: flex; justify-content: center; gap: 18px; margin: 26px 0 0; padding: 0; color: var(--muted); list-style: none; flex-wrap: wrap; }
.hero-trust li { display: flex; align-items: center; gap: 7px; font-size: 14px; }
.hero-trust i { color: var(--blue); }
.platform-downloads { margin-top: 48px; display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; }
.platform-download { min-width: 132px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 11px 15px; background: #fff; border: 1px solid var(--line); border-radius: 12px; color: var(--muted); }
.platform-download:hover, .platform-download.active { color: var(--blue-dark); border-color: #b9caf8; }

.supported-strip { padding: 24px 0; border-bottom: 1px solid var(--line); }
.supported-row { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.supported-row h2 { margin: 0; color: var(--muted); font-size: 15px; font-weight: 500; }
.supported-row ul { display: flex; align-items: center; gap: 25px; margin: 0; padding: 0; list-style: none; color: var(--muted); }
.supported-row li { display: inline-flex; align-items: center; gap: 7px; white-space: nowrap; }
.supported-row li i { color: var(--blue); }
.supported-row > a { color: var(--blue-dark); white-space: nowrap; }

.section { padding: 88px 0; }
.section-heading { max-width: 730px; margin-bottom: 42px; }
.section-heading.centered { margin-inline: auto; text-align: center; }
.section-heading h2 { margin: 0; font-size: clamp(32px, 4.2vw, 48px); line-height: 1.2; letter-spacing: -0.035em; }
.section-heading > p:last-child { margin: 14px 0 0; color: var(--muted); font-size: 17px; line-height: 1.75; }

.product-section { padding-top: 48px; background: #fff; }
.product-preview { max-width: 1042px; margin: 0 auto; overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.preview-bar { height: 48px; display: flex; align-items: center; gap: 7px; padding: 0 18px; background: var(--surface); border-bottom: 1px solid var(--line); }
.preview-bar span { width: 9px; height: 9px; border-radius: 50%; background: #c9d4e4; }
.product-preview img { width: 100%; height: auto; }
.product-preview figcaption { padding: 14px 20px; color: var(--muted); font-size: 13px; text-align: center; border-top: 1px solid var(--line); }

.features-section { background: var(--surface); }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px 28px; }
.feature-item { padding: 30px 0 6px; border-top: 1px solid var(--line); }
.feature-icon { width: 48px; height: 48px; display: grid; place-items: center; margin-bottom: 28px; border-radius: 15px; background: var(--surface-strong); color: var(--blue-dark); font-size: 22px; }
.feature-icon.green, .feature-icon.mint { background: var(--green-soft); color: #26755b; }
.feature-icon.purple { background: var(--purple-soft); color: #6655a9; }
.feature-icon.warm { background: var(--warm-soft); color: #9c6821; }
.feature-icon.blue { background: #e6f5ff; color: #32779f; }
.feature-item h3 { margin: 0; font-size: 20px; }
.feature-item p { margin: 10px 0 0; color: var(--muted); }

.steps-section { background: #fff; }
.steps-grid { display: grid; grid-template-columns: 0.92fr 1.08fr; gap: 70px; align-items: center; }
.steps-list { display: grid; gap: 24px; margin: 0; padding: 0; list-style: none; }
.steps-list li { display: grid; grid-template-columns: 42px 1fr; gap: 15px; }
.steps-list li > span { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 13px; background: var(--blue); color: #fff; font-weight: 700; }
.steps-list h3 { margin: 0 0 6px; font-size: 18px; }
.steps-list p { margin: 0; color: var(--muted); }
.testimonial { margin: 0; padding: 42px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); }
.testimonial > i { color: var(--blue); font-size: 40px; }
.testimonial > p { margin: 16px 0 30px; font-size: 26px; line-height: 1.55; letter-spacing: -0.02em; }
.testimonial footer { display: grid; gap: 2px; color: var(--muted); }
.testimonial strong { color: var(--ink); }

.blog-section { background: var(--surface); }
.article-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.article-grid article { padding-top: 20px; border-top: 1px solid var(--line); }
.article-grid article > span { color: var(--blue-dark); font-size: 13px; font-weight: 600; }
.article-grid h3 { margin: 12px 0 9px; font-size: 20px; line-height: 1.5; }
.article-grid h3 a:hover { color: var(--blue-dark); }
.article-grid p { margin: 0; color: var(--muted); }

.download-cta { padding: 0 0 88px; background: var(--surface); }
.download-cta-inner { padding: 48px; display: flex; align-items: center; justify-content: space-between; gap: 30px; background: var(--blue); border-radius: var(--radius-lg); color: #fff; }
.download-cta-inner h2 { max-width: 650px; margin: 0; font-size: clamp(30px, 4vw, 44px); line-height: 1.25; }
.download-cta-inner p { margin: 10px 0 0; opacity: 0.85; }
.download-cta-inner .button { flex-shrink: 0; }

.site-footer { padding: 56px 0 28px; background: #fff; border-top: 1px solid var(--line); color: var(--muted); }
.footer-grid { display: grid; grid-template-columns: 1.35fr repeat(4, 1fr); gap: 34px; }
.footer-brand img { width: 38px; height: 38px; }
.footer-brand p { max-width: 245px; margin: 16px 0 0; }
.footer-column h2 { margin: 3px 0 16px; color: var(--ink); font-size: 15px; }
.footer-column nav { display: grid; gap: 10px; }
.footer-column a:hover { color: var(--blue-dark); }
.footer-bottom { display: flex; justify-content: space-between; gap: 18px; margin-top: 42px; padding-top: 24px; border-top: 1px solid var(--line); font-size: 13px; flex-wrap: wrap; }
.footer-bottom > div { display: flex; gap: 16px; flex-wrap: wrap; }

.legal-main { min-height: 65vh; padding: 72px 0 88px; background: var(--surface); }
.legal-document { max-width: 820px; padding: 44px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-md); }
.legal-document h1 { margin: 0 0 10px; font-size: clamp(34px, 5vw, 50px); line-height: 1.2; }
.legal-document .updated { margin: 0 0 34px; color: var(--muted); }
.legal-document h2 { margin: 34px 0 10px; font-size: 21px; }
.legal-document p, .legal-document li { color: var(--muted); }
.legal-document a { color: var(--blue-dark); }

.download-page-hero { padding: 72px 0 62px; background: var(--surface); border-bottom: 1px solid var(--line); text-align: center; }
.breadcrumb { display: flex; justify-content: center; align-items: center; gap: 8px; margin: 0 0 18px; padding: 0; color: var(--muted); font-size: 13px; list-style: none; }
.breadcrumb a:hover { color: var(--blue-dark); }
.download-page-hero h1 { margin: 0; font-size: clamp(42px, 6vw, 68px); line-height: 1.1; letter-spacing: -0.045em; }
.download-page-hero h1 span { color: var(--blue); }
.download-page-hero > .container > p { max-width: 680px; margin: 22px auto 0; color: var(--muted); font-size: 18px; }
.detected-device { width: fit-content; display: flex; align-items: center; gap: 8px; margin: 24px auto 0; padding: 9px 13px; background: #fff; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font-size: 13px; }
.detected-device i { color: var(--blue); }

.download-versions { padding: 76px 0 88px; }
.download-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.download-platform-card { position: relative; padding: 30px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-md); transition: border-color 180ms ease, transform 180ms ease, box-shadow 180ms ease; }
.download-platform-card:hover { transform: translateY(-2px); border-color: #b8caf8; box-shadow: 0 16px 40px rgba(52, 80, 124, 0.1); }
.download-platform-card.recommended { border: 2px solid var(--blue); box-shadow: 0 16px 44px rgba(77, 120, 239, 0.14); }
.recommended-label { position: absolute; top: 18px; right: 18px; display: none; padding: 5px 9px; border-radius: 999px; background: var(--blue); color: #fff; font-size: 11px; font-weight: 600; }
.download-platform-card.recommended .recommended-label { display: inline-flex; }
.platform-card-head { display: flex; align-items: center; gap: 15px; padding-right: 76px; }
.platform-large-icon { width: 54px; height: 54px; flex: 0 0 auto; display: grid; place-items: center; border-radius: 17px; background: var(--surface-strong); color: var(--blue-dark); font-size: 27px; }
.platform-card-head h2 { margin: 0; font-size: 24px; }
.platform-card-head p { margin: 2px 0 0; color: var(--muted); font-size: 13px; }
.platform-description { min-height: 52px; margin: 24px 0 20px; color: var(--muted); }
.system-list { display: flex; gap: 8px; margin: 0 0 24px; padding: 0; list-style: none; flex-wrap: wrap; }
.system-list li { padding: 6px 9px; border-radius: 8px; background: var(--surface); color: var(--muted); font-size: 12px; }
.platform-card-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.platform-card-actions .button { flex: 1 1 190px; }
.text-download-link { display: inline-flex; align-items: center; gap: 5px; padding: 8px 0; color: var(--blue-dark); font-size: 13px; }
.download-version-note { margin-top: 14px; color: var(--muted); font-size: 12px; }

.platform-page-hero { padding: 72px 0 78px; background: var(--surface); border-bottom: 1px solid var(--line); }
.platform-page-layout { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(360px, .75fr); gap: 68px; align-items: center; }
.platform-page-copy .breadcrumb { justify-content: flex-start; }
.platform-page-copy h1 { max-width: 720px; margin: 18px 0 20px; font-size: clamp(44px, 6vw, 70px); line-height: 1.08; letter-spacing: -.045em; }
.platform-page-copy h1 span { color: var(--blue); }
.platform-page-copy > p { max-width: 650px; margin: 0; color: var(--muted); font-size: 18px; }
.platform-page-actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 30px; }
.platform-page-meta { display: flex; gap: 18px; flex-wrap: wrap; margin: 20px 0 0; padding: 0; color: var(--muted); font-size: 13px; list-style: none; }
.platform-page-meta li { display: inline-flex; align-items: center; gap: 6px; }
.qr-dialog { width: min(calc(100% - 32px), 420px); padding: 34px; border: 0; border-radius: 24px; background: #fff; color: var(--ink); text-align: center; box-shadow: 0 28px 80px rgba(24, 35, 58, .25); }
.qr-dialog::backdrop { background: rgba(24, 35, 58, .55); backdrop-filter: blur(5px); }
.qr-dialog .eyebrow { margin: 0 0 8px; }
.qr-dialog h2 { margin: 0 0 18px; font-size: 26px; }
.qr-dialog > p:not(.eyebrow) { margin: 14px 0 8px; color: var(--muted); font-size: 14px; }
.qr-dialog-image { width: min(100%, 290px); aspect-ratio: 1; margin: 0 auto; padding: 12px; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
.qr-dialog-image canvas, .qr-dialog-image img { width: 100% !important; height: 100% !important; display: block; }
.qr-dialog-link { display: inline-block; color: var(--blue-dark); font-size: 14px; }
.qr-dialog-close { position: absolute; top: 14px; right: 14px; width: 38px; height: 38px; border: 0; border-radius: 50%; background: var(--surface); color: var(--ink); cursor: pointer; }
.qr-dialog-close:hover { background: var(--blue-soft); color: var(--blue-dark); }
.platform-product-visual { position: relative; margin: 0; padding: 0; background: transparent; border: 0; border-radius: 0; box-shadow: none; overflow: visible; }
.platform-product-visual img { width: 100%; display: block; border-radius: 16px; }
.platform-product-visual.desktop img { aspect-ratio: 1.35 / 1; object-fit: cover; object-position: top center; border: 1px solid var(--line); }
.platform-product-visual.desktop.monitor img { width: 100%; height: 430px; aspect-ratio: auto; object-fit: contain; border: 0; border-radius: 0; }
.platform-product-visual.mobile { width: min(100%, 360px); justify-self: center; }
.platform-product-visual.mobile img { width: 100%; height: 430px; margin: 0 auto; object-fit: contain; object-position: center; border-radius: 0; box-shadow: none; }
.platform-tabs { padding: 18px 0; background: #fff; border-bottom: 1px solid var(--line); }
.platform-tabs nav { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; }
.platform-tabs a { display: inline-flex; align-items: center; gap: 7px; padding: 10px 16px; border: 1px solid var(--line); border-radius: 10px; color: var(--muted); font-size: 14px; }
.platform-tabs a:hover, .platform-tabs a.active { border-color: var(--blue); background: var(--blue-soft); color: var(--blue-dark); }
.platform-info-section { padding: 84px 0; }
.platform-info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.platform-info-card { padding: 30px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-md); }
.platform-info-card h2 { margin: 0 0 12px; font-size: 25px; }
.platform-info-card p { margin: 0; color: var(--muted); }
.platform-info-card ul { display: grid; gap: 12px; margin: 22px 0 0; padding: 0; list-style: none; }
.platform-info-card li { display: flex; gap: 10px; color: var(--muted); }
.platform-info-card li i { color: var(--blue); }

.download-security { padding: 22px 0; background: #fff8e9; border-top: 1px solid #f0dfba; border-bottom: 1px solid #f0dfba; }
.download-security-inner { display: flex; align-items: center; gap: 14px; color: #6f5421; }
.download-security-inner i { font-size: 23px; }
.download-security-inner p { margin: 0; }

.download-help-section { padding: 84px 0; background: var(--surface); }
.download-help-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 70px; align-items: start; }
.download-steps { display: grid; gap: 22px; margin-top: 30px; }
.download-step { display: grid; grid-template-columns: 42px 1fr; gap: 14px; }
.download-step > span { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 13px; background: var(--blue); color: #fff; font-weight: 700; }
.download-step h3 { margin: 0 0 5px; font-size: 18px; }
.download-step p { margin: 0; color: var(--muted); }
.download-faq { display: grid; gap: 10px; }
.download-faq details { background: #fff; border: 1px solid var(--line); border-radius: 14px; }
.download-faq summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 18px 20px; cursor: pointer; color: var(--ink); font-weight: 600; list-style: none; }
.download-faq summary::-webkit-details-marker { display: none; }
.download-faq summary::after { content: "+"; color: var(--blue); font-size: 22px; font-weight: 400; }
.download-faq details[open] summary::after { content: "−"; }
.download-faq details p { margin: 0; padding: 0 20px 20px; color: var(--muted); }

.download-bottom-bar { padding: 48px 0; background: #fff; }
.download-bottom-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.download-bottom-inner h2 { margin: 0; font-size: 28px; }
.download-bottom-inner p { margin: 6px 0 0; color: var(--muted); }
.download-bottom-actions { display: flex; gap: 10px; flex-wrap: wrap; }

.content-page-hero { padding: 74px 0 70px; background: var(--surface); border-bottom: 1px solid var(--line); text-align: center; }
.content-page-hero .breadcrumb { margin-bottom: 20px; }
.content-page-hero h1 { max-width: 850px; margin: 0 auto; font-size: clamp(44px, 6vw, 68px); line-height: 1.08; letter-spacing: -.045em; }
.content-page-hero h1 span { display: inline-block; color: var(--blue); }
.content-page-hero > .container > p:not(.eyebrow) { max-width: 710px; margin: 22px auto 0; color: var(--muted); font-size: 18px; }

.pricing-section { background: #fff; }
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: stretch; }
.pricing-card { position: relative; display: flex; flex-direction: column; padding: 32px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-md); }
.pricing-card.featured { border: 2px solid var(--blue); box-shadow: 0 22px 60px rgba(77, 120, 239, .15); }
.pricing-badge { position: absolute; top: 20px; right: 20px; padding: 5px 10px; border-radius: 999px; background: var(--blue); color: #fff; font-size: 12px; font-weight: 600; }
.pricing-icon { width: 50px; height: 50px; display: grid; place-items: center; border-radius: 15px; background: var(--surface-strong); color: var(--blue-dark); font-size: 24px; }
.pricing-icon.green { background: var(--green-soft); color: #26755b; }
.pricing-label { margin: 22px 0 4px; color: var(--blue-dark); font-size: 13px; font-weight: 600; }
.pricing-card h3 { margin: 0; font-size: 28px; }
.price-value { display: flex; align-items: baseline; gap: 9px; min-height: 60px; margin: 18px 0 8px; }
.price-value strong { font-size: 42px; line-height: 1; letter-spacing: -.04em; }
.price-value strong small { font-size: 20px; }
.price-value > span { color: var(--muted); font-size: 13px; }
.pricing-copy { min-height: 78px; margin: 4px 0 20px; color: var(--muted); }
.pricing-card ul { display: grid; gap: 11px; margin: 0 0 28px; padding: 0; color: var(--muted); list-style: none; }
.pricing-card li { display: flex; gap: 8px; }
.pricing-card li i { color: var(--blue); }
.pricing-card .button { width: 100%; margin-top: auto; }
.billing-switch { display: flex; gap: 4px; margin-top: 16px; padding: 4px; background: var(--surface); border-radius: 11px; }
.billing-switch button { flex: 1; padding: 7px 8px; border: 0; border-radius: 8px; background: transparent; color: var(--muted); cursor: pointer; }
.billing-switch button.active { background: #fff; color: var(--blue-dark); box-shadow: 0 3px 10px rgba(52, 80, 124, .1); }
.pricing-note { display: flex; align-items: flex-start; gap: 8px; max-width: 900px; margin: 24px auto 0; color: var(--muted); font-size: 13px; }
.pricing-note i { color: var(--blue); margin-top: 3px; }
.comparison-section { background: var(--surface); }
.comparison-wrap { overflow-x: auto; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-md); }
.comparison-wrap table { width: 100%; min-width: 620px; border-collapse: collapse; }
.comparison-wrap th, .comparison-wrap td { padding: 18px 24px; border-bottom: 1px solid var(--line); text-align: center; }
.comparison-wrap th:first-child, .comparison-wrap td:first-child { text-align: left; }
.comparison-wrap tr:last-child td { border-bottom: 0; }
.comparison-wrap th { background: #fbfcff; color: var(--muted); font-size: 14px; }
.comparison-wrap td i, .comparison-wrap td strong { color: var(--blue-dark); }

.help-search { max-width: 700px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 10px; margin: 30px auto 0; padding: 8px 8px 8px 18px; background: #fff; border: 1px solid var(--line); border-radius: 16px; box-shadow: 0 14px 36px rgba(52, 80, 124, .1); text-align: left; }
.help-search i { color: var(--muted); font-size: 21px; }
.help-search input { min-width: 0; padding: 8px 0; border: 0; outline: 0; color: var(--ink); }
.help-search button { padding: 10px 18px; border: 0; border-radius: 11px; background: var(--blue); color: #fff; cursor: pointer; }
.help-content { background: #fff; }
.help-filter, .update-filters { display: flex; gap: 8px; flex-wrap: wrap; }
.help-filter, .update-filters { scrollbar-width: none; }
.help-filter::-webkit-scrollbar, .update-filters::-webkit-scrollbar { display: none; }
.help-filter { justify-content: center; margin-bottom: 34px; }
.help-filter button, .update-filters button { padding: 9px 14px; border: 1px solid var(--line); border-radius: 10px; background: #fff; color: var(--muted); cursor: pointer; }
.help-filter button:hover, .help-filter button.active, .update-filters button:hover, .update-filters button.active { border-color: var(--blue); background: var(--blue-soft); color: var(--blue-dark); }
.help-results { min-height: 0; margin: -20px 0 24px; color: var(--muted); text-align: center; font-size: 14px; }
.help-results:empty { display: none; }
.help-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.help-card { position: relative; display: grid; grid-template-columns: 52px 1fr auto; gap: 18px; align-items: start; padding: 26px; background: #fff; border: 1px solid var(--line); border-radius: 18px; transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease; }
a.help-card:hover { transform: translateY(-2px); border-color: #b8caf8; box-shadow: 0 14px 36px rgba(52, 80, 124, .09); }
.help-card[hidden] { display: none; }
.help-card-icon { width: 52px; height: 52px; display: grid; place-items: center; border-radius: 15px; background: var(--surface-strong); color: var(--blue-dark); font-size: 24px; }
.help-card-icon.green { background: var(--green-soft); color: #26755b; }
.help-card-icon.purple { background: var(--purple-soft); color: #6655a9; }
.help-card-icon.warm { background: var(--warm-soft); color: #9c6821; }
.help-card-icon.blue { background: #e6f5ff; color: #32779f; }
.help-card div > span { color: var(--blue-dark); font-size: 12px; font-weight: 600; }
.help-card h2 { margin: 4px 0 7px; font-size: 20px; }
.help-card p { margin: 0; color: var(--muted); font-size: 14px; }
.help-card > i { margin-top: 16px; color: var(--blue); }
.help-empty { padding: 60px 20px; text-align: center; }
.help-empty i { color: var(--blue); font-size: 42px; }
.help-empty h2 { margin: 10px 0 4px; }
.help-empty p { margin: 0; color: var(--muted); }
.help-faq-section { background: var(--surface); }

.manual-filter-bar { position: sticky; top: 72px; z-index: 40; padding: 18px 0 1px; background: rgba(255, 255, 255, .96); border-bottom: 1px solid var(--line); backdrop-filter: blur(12px); }
.manual-filter-bar .help-filter { margin-bottom: 16px; }
.manual-filter-bar .help-results { margin: 0 0 14px; }
.manual-section { padding: 72px 0 90px; background: #fff; }
.manual-layout { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 64px; align-items: start; }
.manual-toc { position: relative; }
.manual-toc-inner { position: sticky; top: 166px; }
.manual-toc p { margin: 0 0 13px; color: var(--ink); font-size: 14px; font-weight: 700; }
.manual-toc nav { display: grid; gap: 2px; padding-left: 12px; border-left: 1px solid var(--line); }
.manual-toc nav a { padding: 6px 12px; border-radius: 8px; color: var(--muted); font-size: 13px; }
.manual-toc nav a:hover { background: var(--surface); color: var(--blue-dark); }
.manual-source-link { display: inline-flex; align-items: center; gap: 5px; margin-top: 18px; color: var(--blue-dark); font-size: 12px; }
.manual-content { min-width: 0; max-width: 820px; }
.manual-chapter { scroll-margin-top: 0; padding: 96px 0 62px; margin: -96px 0 62px; border-bottom: 1px solid var(--line); }
.manual-chapter[hidden] { display: none; }
.manual-chapter:last-of-type { margin-bottom: 0; }
.manual-kicker { display: inline-flex; margin-bottom: 10px; color: var(--blue-dark); font-size: 13px; font-weight: 700; }
.manual-chapter > h2 { margin: 0 0 16px; font-size: clamp(28px, 3.5vw, 38px); line-height: 1.25; letter-spacing: -.03em; }
.manual-chapter > h3 { margin: 30px 0 12px; font-size: 21px; }
.manual-chapter > p { margin: 0 0 20px; color: var(--muted); font-size: 16px; line-height: 1.85; }
.manual-chapter kbd { display: inline-grid; min-width: 31px; min-height: 29px; place-items: center; padding: 2px 7px; border: 1px solid #cad5e5; border-bottom-width: 3px; border-radius: 7px; background: #fff; color: var(--ink); font: 600 12px/1.1 inherit; box-shadow: 0 2px 0 #eef2f7; }
.manual-principles { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: 26px; }
.manual-principles > div { padding: 24px; background: var(--surface); border: 1px solid var(--line); border-radius: 17px; }
.manual-principles h3 { margin: 18px 0 5px; font-size: 18px; }
.manual-principles p { margin: 0; color: var(--muted); font-size: 14px; }
.manual-callout { display: flex; gap: 15px; align-items: flex-start; margin-top: 24px; padding: 20px 22px; background: var(--blue-soft); border-radius: 15px; color: var(--blue-dark); }
.manual-callout.warm { background: var(--warm-soft); color: #76501c; }
.manual-callout > i { margin-top: 2px; font-size: 22px; }
.manual-callout strong { color: var(--ink); }
.manual-callout p { margin: 3px 0 0; color: var(--muted); font-size: 14px; }
.manual-action-row { display: flex; gap: 10px; flex-wrap: wrap; margin: 22px 0 30px; }
.manual-checklist { display: grid; gap: 12px; margin: 0; padding: 0; color: var(--muted); list-style: none; }
.manual-checklist li { display: flex; gap: 9px; }
.manual-checklist i { color: var(--blue); }
.manual-note { display: flex; align-items: flex-start; gap: 8px; margin-top: 22px !important; padding: 16px 18px; background: var(--surface); border-radius: 12px; font-size: 14px !important; }
.manual-note i { margin-top: 4px; color: var(--blue); }
.manual-product-figure { margin: 28px 0 20px; overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: 19px; box-shadow: 0 16px 40px rgba(52, 80, 124, .1); }
.manual-product-figure img { width: 100%; height: auto; }
.manual-product-figure figcaption { padding: 13px 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; text-align: center; }
.manual-region-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.manual-region-grid div { display: grid; gap: 2px; padding: 15px 17px; background: var(--surface); border-radius: 12px; }
.manual-region-grid strong { font-size: 14px; }
.manual-region-grid span { color: var(--muted); font-size: 12px; }
.manual-steps { display: grid; gap: 19px; margin: 28px 0 0; padding: 0; list-style: none; }
.manual-steps li { display: grid; grid-template-columns: 42px 1fr; gap: 14px; }
.manual-steps li > span { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 13px; background: var(--blue); color: #fff; font-weight: 700; }
.manual-steps h3 { margin: 0 0 4px; font-size: 18px; }
.manual-steps p { margin: 0; color: var(--muted); }
.manual-steps.compact { gap: 16px; }
.manual-tip-grid, .manual-send-grid { display: grid; gap: 16px; margin-top: 25px; }
.manual-tip-grid { grid-template-columns: repeat(2, 1fr); }
.manual-send-grid { grid-template-columns: repeat(3, 1fr); }
.manual-tip-grid > div, .manual-send-grid > div { padding: 23px; border: 1px solid var(--line); border-radius: 16px; }
.manual-tip-grid i, .manual-send-grid i { color: var(--blue); font-size: 24px; }
.manual-tip-grid h3, .manual-send-grid h3 { margin: 13px 0 6px; font-size: 17px; }
.manual-tip-grid p, .manual-send-grid p { margin: 0; color: var(--muted); font-size: 14px; }
.keyboard-flow { display: flex; align-items: stretch; gap: 10px; margin-top: 26px; padding: 22px; background: var(--surface); border-radius: 16px; }
.keyboard-flow > div { flex: 1; display: flex; align-items: center; justify-content: center; gap: 6px; flex-wrap: wrap; text-align: center; }
.keyboard-flow > div span { width: 100%; color: var(--muted); font-size: 11px; }
.keyboard-flow > i { align-self: center; color: #a5b2c6; }

.latest-release { max-width: 760px; display: flex; align-items: center; justify-content: space-between; gap: 24px; margin: 34px auto 0; padding: 24px 26px; background: #fff; border: 1px solid var(--line); border-radius: 18px; box-shadow: 0 14px 36px rgba(52, 80, 124, .08); text-align: left; }
.latest-release > div { display: grid; grid-template-columns: auto 1fr; align-items: center; column-gap: 12px; }
.release-status { grid-column: 1 / -1; display: inline-flex; align-items: center; gap: 6px; color: #26755b; font-size: 13px; font-weight: 600; }
.latest-release strong { font-size: 28px; }
.latest-release p { margin: 0; color: var(--muted); font-size: 14px; }
.updates-section { background: #fff; }
.updates-toolbar { display: flex; align-items: flex-end; justify-content: space-between; gap: 28px; margin-bottom: 40px; }
.updates-toolbar .section-heading { margin: 0; }
.update-timeline { position: relative; max-width: 900px; margin: 0 auto; }
.update-timeline::before { content: ""; position: absolute; left: 132px; top: 8px; bottom: 8px; width: 1px; background: var(--line); }
.update-entry { position: relative; display: grid; grid-template-columns: 110px 1fr; gap: 54px; margin-bottom: 24px; }
.update-entry[hidden] { display: none; }
.update-marker { position: absolute; left: 126px; top: 27px; z-index: 1; width: 13px; height: 13px; border: 3px solid #fff; border-radius: 50%; background: #aab7ca; box-shadow: 0 0 0 1px var(--line); }
.update-entry.current .update-marker { background: var(--blue); box-shadow: 0 0 0 5px var(--blue-soft); }
.update-date { padding-top: 21px; color: var(--muted); font-size: 13px; text-align: right; }
.update-card { padding: 25px 28px; background: #fff; border: 1px solid var(--line); border-radius: 18px; }
.update-entry.current .update-card { border-color: #b8caf8; box-shadow: 0 14px 36px rgba(77, 120, 239, .1); }
.update-card-head { display: flex; align-items: center; gap: 10px; }
.update-card-head h3 { margin: 0; font-size: 25px; }
.update-card-head span { padding: 4px 8px; border-radius: 999px; background: var(--blue-soft); color: var(--blue-dark); font-size: 11px; font-weight: 600; }
.update-card ul { display: grid; gap: 8px; margin: 16px 0 0; padding-left: 20px; color: var(--muted); }
.update-card li b { margin-right: 6px; color: var(--blue-dark); }
.update-empty { padding: 50px; color: var(--muted); text-align: center; }

.blog-page-hero { padding: 72px 0 64px; background: var(--surface); border-bottom: 1px solid var(--line); }
.blog-page-hero .breadcrumb { justify-content: flex-start; }
.blog-page-hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 70px; align-items: center; }
.blog-page-hero h1 { max-width: 720px; margin: 0; font-size: clamp(44px, 6vw, 68px); line-height: 1.08; letter-spacing: -.045em; }
.blog-page-hero h1 span { color: var(--blue); }
.blog-page-hero-copy > p:last-child { max-width: 650px; margin: 22px 0 0; color: var(--muted); font-size: 18px; line-height: 1.8; }
.blog-hero-visual { position: relative; min-height: 280px; display: grid; place-items: center; }
.blog-hero-card { position: absolute; width: 225px; padding: 23px; background: #fff; border: 1px solid var(--line); border-radius: 22px; box-shadow: var(--shadow); }
.blog-hero-card:first-child { transform: rotate(-6deg) translate(-42px, -22px); }
.blog-hero-card:last-child { transform: rotate(7deg) translate(50px, 35px); }
.blog-hero-card i { width: 44px; height: 44px; display: grid; place-items: center; margin-bottom: 30px; border-radius: 13px; background: var(--surface-strong); color: var(--blue-dark); font-size: 22px; }
.blog-hero-card span { color: var(--blue-dark); font-size: 12px; font-weight: 700; }
.blog-hero-card strong { display: block; margin-top: 8px; line-height: 1.45; }
.blog-filter-row { display: flex; gap: 10px; padding: 24px 0; overflow-x: auto; scrollbar-width: none; }
.blog-filter-row::-webkit-scrollbar { display: none; }
.blog-filter-row a { flex: 0 0 auto; padding: 8px 14px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font-size: 13px; }
.blog-filter-row a:first-child, .blog-filter-row a:hover { color: var(--blue-dark); border-color: #b7c8f7; background: var(--surface); }
.blog-list-section { padding: 68px 0 96px; }
.blog-featured { display: grid; grid-template-columns: 1.05fr .95fr; overflow: hidden; margin-bottom: 60px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); }
.blog-featured-visual { min-height: 390px; display: grid; place-items: center; padding: 54px; background: linear-gradient(135deg, #dfe9ff, #f7f9ff); }
.blog-featured-window { width: min(100%, 430px); padding: 16px; background: #fff; border: 1px solid #d7e1f1; border-radius: 20px; box-shadow: 0 24px 60px rgba(49, 95, 202, .16); }
.blog-featured-window::before { content: ""; display: block; width: 54px; height: 7px; margin-bottom: 22px; border-radius: 9px; background: #dfe7f2; }
.blog-featured-lines { display: grid; gap: 11px; }
.blog-featured-lines span { display: block; height: 12px; border-radius: 8px; background: var(--surface-strong); }
.blog-featured-lines span:nth-child(2) { width: 77%; }
.blog-featured-lines span:nth-child(3) { width: 88%; }
.blog-featured-lines span:nth-child(4) { width: 62%; background: #dff4ec; }
.blog-featured-copy { display: flex; flex-direction: column; justify-content: center; padding: 48px; }
.blog-category { display: inline-flex; width: fit-content; padding: 5px 9px; border-radius: 7px; background: var(--blue-soft, #eaf2ff); color: var(--blue-dark); font-size: 12px; font-weight: 700; }
.blog-featured h2 { margin: 18px 0 15px; font-size: clamp(28px, 3.2vw, 40px); line-height: 1.3; letter-spacing: -.025em; }
.blog-featured p, .blog-card p { color: var(--muted); }
.blog-meta { display: flex; gap: 10px; align-items: center; margin-top: 22px; color: var(--muted); font-size: 12px; }
.blog-read-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 25px; color: var(--blue-dark); font-weight: 700; }
.blog-card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.blog-card { display: flex; min-height: 310px; flex-direction: column; padding: 28px; border: 1px solid var(--line); border-radius: 20px; background: #fff; transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease; }
.blog-card:hover { transform: translateY(-3px); border-color: #b9caf8; box-shadow: 0 16px 40px rgba(52, 80, 124, .1); }
.blog-card-icon { width: 48px; height: 48px; display: grid; place-items: center; margin-bottom: 32px; border-radius: 15px; background: var(--surface); color: var(--blue-dark); font-size: 23px; }
.blog-card h2 { margin: 14px 0 10px; font-size: 21px; line-height: 1.48; }
.blog-card p { margin: 0; }
.blog-card .blog-meta { margin-top: auto; padding-top: 25px; }
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 46px; flex-wrap: wrap; }
.pagination a, .pagination span { min-width: 40px; height: 40px; display: inline-grid; place-items: center; padding: 0 12px; border: 1px solid var(--line); border-radius: 10px; color: var(--muted); background: #fff; }
.pagination a:hover, .pagination .active, .pagination .page-num-current, .pagination span.current { color: #fff; border-color: var(--blue); background: var(--blue); }
.pagination a.page-num-current { color: #fff; border-color: var(--blue-dark); background: var(--blue); font-weight: 700; box-shadow: 0 8px 18px rgba(77, 120, 239, .28); pointer-events: none; }

.article-page-hero { padding: 62px 0 50px; background: var(--surface); border-bottom: 1px solid var(--line); }
.article-page-hero .breadcrumb { justify-content: flex-start; }
.article-hero-inner { max-width: 920px; }
.article-page-hero h1 { margin: 15px 0 19px; font-size: clamp(40px, 5.7vw, 64px); line-height: 1.14; letter-spacing: -.042em; }
.article-deck { max-width: 780px; margin: 0; color: var(--muted); font-size: 19px; line-height: 1.8; }
.article-author { display: flex; align-items: center; gap: 12px; margin-top: 28px; }
.article-author-mark { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 50%; background: var(--blue); color: #fff; font-weight: 700; }
.article-author div { display: grid; }
.article-author span { color: var(--muted); font-size: 12px; }
.article-body-section { padding: 72px 0 92px; }
.article-layout { display: grid; grid-template-columns: 220px minmax(0, 760px); gap: 70px; align-items: start; justify-content: center; }
.article-toc { position: sticky; top: 108px; padding: 22px; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); }
.article-toc strong { font-size: 14px; }
.article-toc nav { display: grid; gap: 10px; margin-top: 14px; }
.article-toc a { color: var(--muted); font-size: 13px; }
.article-toc a:hover { color: var(--blue-dark); }
.article-prose { min-width: 0; }
.article-lead { margin: 0 0 34px; padding: 25px 27px; border-left: 4px solid var(--blue); border-radius: 0 14px 14px 0; background: var(--surface); color: var(--ink); font-size: 18px; line-height: 1.85; }
.article-prose h2 { scroll-margin-top: 100px; margin: 54px 0 15px; font-size: 30px; line-height: 1.35; letter-spacing: -.02em; }
.article-prose h3 { margin: 34px 0 11px; font-size: 21px; }
.article-prose p, .article-prose li { color: var(--muted); font-size: 16px; line-height: 1.9; }
.article-prose ul, .article-prose ol { display: grid; gap: 10px; padding-left: 24px; }
.article-prose strong { color: var(--ink); }
.post-body img { height: auto; margin: 28px auto; border-radius: 16px; }
.post-body table { width: 100%; margin: 28px 0; border-collapse: collapse; }
.post-body th, .post-body td { padding: 12px 14px; border: 1px solid var(--line); text-align: left; }
.post-body blockquote { margin: 28px 0; padding: 20px 24px; border-left: 4px solid var(--blue); background: var(--surface); }
.post-tags { margin-top: 36px; color: var(--muted); font-size: 13px; }
.post-tags a { display: inline-flex; margin: 4px; padding: 5px 9px; border-radius: 8px; background: var(--surface); color: var(--blue-dark); }
.article-note { margin: 30px 0; padding: 22px 24px; border-radius: 15px; background: var(--warm-soft); color: #74501f; }
.article-note p { margin: 4px 0 0; color: #745f42; }
.article-example { display: grid; gap: 14px; margin: 27px 0; padding: 24px; border: 1px solid var(--line); border-radius: 17px; }
.article-example span { color: var(--blue-dark); font-size: 12px; font-weight: 700; }
.article-example p { margin: 0; }
.update-card-body, .update-card-body p, .update-card-body li { color: var(--muted); }
.update-card-body ul { display: grid; gap: 9px; margin: 18px 0 0; padding-left: 22px; }
.article-share { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: 62px; padding-top: 28px; border-top: 1px solid var(--line); }
.article-share > span { color: var(--muted); font-size: 13px; }
.related-posts { padding: 72px 0 88px; background: var(--surface); }
.related-posts .section-heading { margin-bottom: 30px; }

.company-page-hero { padding: 78px 0 74px; background: var(--surface); border-bottom: 1px solid var(--line); }
.company-page-hero .breadcrumb { justify-content: flex-start; }
.company-hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) 420px; gap: 72px; align-items: center; }
.company-page-hero h1 { max-width: 720px; margin: 0; font-size: clamp(44px, 6vw, 68px); line-height: 1.1; letter-spacing: -.045em; }
.company-page-hero h1 span { color: var(--blue); }
.company-page-hero p:last-child { max-width: 680px; margin: 23px 0 0; color: var(--muted); font-size: 18px; line-height: 1.85; }
.company-mark-panel { position: relative; min-height: 320px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: var(--radius-lg); background: linear-gradient(145deg, #fff, #eaf2ff); overflow: hidden; }
.company-mark-panel::before, .company-mark-panel::after { content: ""; position: absolute; width: 180px; height: 180px; border-radius: 50%; filter: blur(2px); }
.company-mark-panel::before { left: -65px; top: -65px; background: rgba(77, 120, 239, .1); }
.company-mark-panel::after { right: -75px; bottom: -75px; background: rgba(75, 193, 148, .12); }
.company-mark-panel img { position: relative; z-index: 1; width: 104px; height: 104px; }
.company-mark-panel strong { position: relative; z-index: 1; display: block; margin-top: 18px; font-size: 28px; text-align: center; }
.company-mark-panel span { position: relative; z-index: 1; color: var(--muted); font-size: 13px; }
.company-story { padding: 88px 0; }
.company-story-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 82px; align-items: start; }
.company-story-copy p { color: var(--muted); font-size: 17px; line-height: 1.9; }
.company-story-stat { padding: 30px; border: 1px solid var(--line); border-radius: 20px; background: var(--surface); }
.company-story-stat strong { display: block; color: var(--blue-dark); font-size: 36px; }
.company-story-stat span { color: var(--muted); }
.company-values { padding: 82px 0 92px; background: var(--surface); }
.company-value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.company-value { padding: 30px; border: 1px solid var(--line); border-radius: 20px; background: #fff; }
.company-value i { width: 48px; height: 48px; display: grid; place-items: center; margin-bottom: 30px; border-radius: 15px; background: var(--surface-strong); color: var(--blue-dark); font-size: 23px; }
.company-value h2 { margin: 0 0 9px; font-size: 22px; }
.company-value p { margin: 0; color: var(--muted); }
.company-products { padding: 86px 0; }
.company-product-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.company-product-card { padding: 32px; border: 1px solid var(--line); border-radius: 20px; }
.company-product-card h2 { margin: 13px 0 8px; }
.company-product-card p { color: var(--muted); }

.contact-section { padding: 82px 0 96px; }
.contact-layout { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(320px, .95fr); gap: 54px; align-items: start; }
.contact-card-grid { display: grid; gap: 18px; }
.contact-card { display: grid; grid-template-columns: 54px 1fr; gap: 18px; padding: 26px; border: 1px solid var(--line); border-radius: 19px; }
.contact-card > i { width: 54px; height: 54px; display: grid; place-items: center; border-radius: 16px; background: var(--surface-strong); color: var(--blue-dark); font-size: 25px; }
.contact-card h2 { margin: 0 0 5px; font-size: 20px; }
.contact-card p { margin: 0; color: var(--muted); }
.contact-card a:not(.button) { display: inline-flex; margin-top: 12px; color: var(--blue-dark); font-weight: 700; }
.contact-side { position: sticky; top: 108px; padding: 34px; border-radius: var(--radius-lg); background: var(--surface); border: 1px solid var(--line); }
.contact-side h2 { margin: 0 0 10px; font-size: 28px; }
.contact-side > p { color: var(--muted); }
.contact-side ul { display: grid; gap: 13px; margin: 25px 0 0; padding: 0; list-style: none; }
.contact-side li { display: flex; gap: 9px; color: var(--muted); }
.contact-side li i { color: var(--blue); }
.contact-response { margin-top: 24px; padding-top: 22px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.legal-page-intro { margin-bottom: 32px; padding-bottom: 28px; border-bottom: 1px solid var(--line); }
.legal-document ul { display: grid; gap: 8px; padding-left: 22px; }
.legal-document strong { color: var(--ink); }
.legal-document .legal-note { margin-top: 28px; padding: 20px 22px; border-radius: 14px; background: var(--surface); }

@media (max-width: 1020px) {
  .blog-page-hero-grid { grid-template-columns: minmax(0, 1fr) 300px; gap: 38px; }
  .blog-card-grid { grid-template-columns: repeat(2, 1fr); }
  .company-hero-grid { grid-template-columns: minmax(0, 1fr) 330px; gap: 44px; }
  .main-nav { gap: 12px; }
  .main-nav > a, .nav-dropdown-button, .language-button { font-size: 14px; }
  .header-download { padding-inline: 12px; }
  .supported-row { align-items: flex-start; flex-wrap: wrap; }
  .supported-row ul { order: 3; width: 100%; justify-content: space-between; }
  .footer-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 820px) {
  .nav-wrap { min-height: 66px; gap: 12px; }
  .mobile-menu-button { margin-left: auto; display: inline-flex; align-items: center; gap: 6px; padding: 9px 12px; border: 1px solid var(--line); border-radius: 10px; background: #fff; color: var(--ink); cursor: pointer; }
  .main-nav { position: absolute; left: 20px; right: 20px; top: 74px; display: none; padding: 12px; background: #fff; border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow); }
  .main-nav.open { display: grid; gap: 4px; }
  .main-nav > a, .nav-dropdown-button, .language-button { width: 100%; padding: 12px; border-radius: 9px; text-align: left; }
  .main-nav > a:hover, .nav-dropdown-button:hover, .language-button:hover { background: var(--surface); }
  .nav-dropdown-menu { position: static; margin-top: 4px; box-shadow: none; background: var(--surface); }
  .language-menu { position: static; margin-top: 4px; box-shadow: none; background: var(--surface); }
  .header-download { display: none; }
  .hero { padding-top: 58px; }
  .feature-grid, .article-grid { grid-template-columns: 1fr 1fr; }
  .steps-grid { grid-template-columns: 1fr; gap: 46px; }
  .download-grid { grid-template-columns: 1fr; }
  .platform-page-layout, .platform-info-grid { grid-template-columns: 1fr; }
  .platform-page-layout { gap: 42px; }
  .download-help-grid { grid-template-columns: 1fr; gap: 46px; }
  .download-bottom-inner { align-items: flex-start; flex-direction: column; }
  .pricing-grid { grid-template-columns: 1fr; }
  .pricing-copy { min-height: 0; }
  .help-grid { grid-template-columns: 1fr; }
  .updates-toolbar { align-items: flex-start; flex-direction: column; }
  .manual-filter-bar { top: 66px; }
  .manual-layout { grid-template-columns: 1fr; }
  .manual-toc { display: none; }
  .manual-content { max-width: none; }
  .manual-send-grid { grid-template-columns: 1fr; }
  .blog-page-hero-grid { grid-template-columns: 1fr; }
  .blog-hero-visual { display: none; }
  .blog-featured { grid-template-columns: 1fr; }
  .blog-featured-visual { min-height: 300px; }
  .article-layout { grid-template-columns: 1fr; }
  .article-toc { display: none; }
  .company-hero-grid, .company-story-grid, .contact-layout { grid-template-columns: 1fr; }
  .company-mark-panel { min-height: 260px; }
  .company-story-grid { gap: 38px; }
  .contact-side { position: static; }
}

@media (max-width: 580px) {
  .container { width: min(100% - 28px, var(--container)); }
  .brand img { width: 34px; height: 34px; }
  .hero h1 { font-size: clamp(39px, 12vw, 54px); }
  .hero-description { font-size: 16px; }
  .hero-actions .button { width: 100%; }
  .hero-trust { display: grid; justify-content: start; max-width: 260px; margin-inline: auto; text-align: left; }
  .platform-download { min-width: calc(50% - 5px); }
  .supported-row ul { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .section { padding: 68px 0; }
  .feature-grid, .article-grid { grid-template-columns: 1fr; }
  .testimonial { padding: 30px 24px; }
  .testimonial > p { font-size: 22px; }
  .download-cta-inner { padding: 34px 24px; align-items: flex-start; flex-direction: column; }
  .download-cta-inner .button { width: 100%; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px 22px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; }
  .legal-document { padding: 30px 22px; }
  .download-page-hero { padding-top: 56px; }
  .platform-page-hero { padding: 52px 0 60px; }
  .platform-page-copy h1 { font-size: 43px; }
  .platform-page-actions, .platform-page-actions .button { width: 100%; }
  .platform-product-visual { width: 100%; }
  .platform-product-visual.desktop { padding: 0; }
  .platform-product-visual.mobile { max-width: 330px; }
  .platform-product-visual.desktop.monitor img, .platform-product-visual.mobile img { height: 340px; }
  .download-platform-card { padding: 24px 20px; }
  .platform-card-head { padding-right: 70px; }
  .platform-card-actions .button { width: 100%; flex-basis: 100%; }
  .download-security-inner { align-items: flex-start; }
  .download-bottom-actions, .download-bottom-actions .button { width: 100%; }
  .content-page-hero { padding: 54px 0 56px; }
  .content-page-hero h1 { font-size: 43px; }
  .content-page-hero > .container > p:not(.eyebrow) { font-size: 16px; }
  .pricing-card { padding: 26px 22px; }
  .help-search { grid-template-columns: auto 1fr; padding: 10px 14px; }
  .help-search button { grid-column: 1 / -1; width: 100%; }
  .help-filter { justify-content: flex-start; overflow-x: auto; flex-wrap: nowrap; padding-bottom: 6px; }
  .help-filter button { flex: 0 0 auto; }
  .help-card { grid-template-columns: 46px 1fr; padding: 22px 18px; }
  .help-card-icon { width: 46px; height: 46px; }
  .help-card > i { display: none; }
  .latest-release { align-items: flex-start; flex-direction: column; }
  .latest-release .button { width: 100%; }
  .update-filters { overflow-x: auto; flex-wrap: nowrap; width: 100%; padding-bottom: 6px; }
  .update-filters button { flex: 0 0 auto; }
  .update-timeline::before { left: 6px; }
  .update-entry { grid-template-columns: 1fr; gap: 8px; padding-left: 26px; }
  .update-marker { left: 0; top: 9px; }
  .update-date { padding-top: 0; text-align: left; }
  .update-card { padding: 22px 20px; }
  .manual-section { padding: 56px 0 72px; }
  .manual-chapter { padding: 82px 0 48px; margin: -82px 0 48px; }
  .manual-principles, .manual-tip-grid, .manual-region-grid { grid-template-columns: 1fr; }
  .manual-action-row, .manual-action-row .button { width: 100%; }
  .keyboard-flow { display: grid; grid-template-columns: 1fr; }
  .keyboard-flow > i { transform: rotate(90deg); justify-self: center; }
  .blog-page-hero { padding: 52px 0 48px; }
  .blog-page-hero h1 { font-size: 43px; }
  .blog-list-section { padding: 48px 0 70px; }
  .blog-featured { margin-bottom: 38px; }
  .blog-featured-visual { min-height: 230px; padding: 32px 22px; }
  .blog-featured-copy { padding: 30px 23px; }
  .blog-card-grid { grid-template-columns: 1fr; }
  .blog-card { min-height: 280px; padding: 24px 22px; }
  .article-page-hero { padding: 48px 0 42px; }
  .article-page-hero h1 { font-size: 40px; }
  .article-deck { font-size: 17px; }
  .article-body-section { padding: 54px 0 70px; }
  .article-lead { padding: 21px 20px; font-size: 16px; }
  .article-prose h2 { font-size: 27px; }
  .article-share { align-items: flex-start; flex-direction: column; }
  .company-page-hero { padding: 52px 0 50px; }
  .company-page-hero h1 { font-size: 43px; }
  .company-mark-panel { display: none; }
  .company-story, .company-products { padding: 64px 0; }
  .company-values { padding: 62px 0 70px; }
  .company-value-grid, .company-product-row { grid-template-columns: 1fr; }
  .company-value, .company-product-card { padding: 25px 22px; }
  .contact-section { padding: 58px 0 72px; }
  .contact-card { grid-template-columns: 46px 1fr; padding: 22px 18px; }
  .contact-card > i { width: 46px; height: 46px; }
  .contact-side { padding: 26px 22px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}