:root {
  color-scheme: light;
  --ink: #172d29;
  --muted: #586965;
  --green: #087f70;
  --line: #dce5e1;
  --hero: #eff6f4;
  --lilac: #f5f4f9;
  --white: #fff;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-synthesis: none;
}
* { box-sizing: border-box; letter-spacing: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body { margin: 0; color: var(--ink); background: var(--white); font-size: 16px; line-height: 1.7; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, summary, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; cursor: pointer; }
button:disabled { cursor: default; opacity: .35; }
a:focus-visible, button:focus-visible, summary:focus-visible, [tabindex]:focus-visible { outline: 3px solid #43877d; outline-offset: 5px; }
button[hidden] { display: none; }
h1, h2, h3, p, figure { margin: 0; }
h1, h2, h3 { line-height: 1.3; overflow-wrap: anywhere; }
p { overflow-wrap: anywhere; }
.container { width: min(1120px, calc(100% - 64px)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 20; top: 8px; left: 16px; padding: 8px 16px; background: var(--white); transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }
.site-header { position: sticky; top: 0; z-index: 10; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--line); }
.header-inner { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; flex-shrink: 0; align-items: center; gap: 10px; font-size: 18px; font-weight: 650; }
.brand img { border-radius: 8px; }
.desktop-nav { display: flex; align-items: center; gap: 32px; font-size: 14px; }
.desktop-nav a:not(.nav-download):hover, .site-footer a:hover { color: var(--green); }
.nav-download { border: 1px solid var(--line); padding: 8px 17px; border-radius: 6px; }
.nav-download:hover { border-color: var(--green); }
.mobile-menu { display: none; position: relative; }
.mobile-menu summary { list-style: none; width: 44px; height: 44px; display: grid; place-items: center; cursor: pointer; }
.mobile-menu summary::-webkit-details-marker { display: none; }
.mobile-menu nav { position: absolute; top: 52px; right: 0; min-width: 180px; padding: 8px; background: white; border: 1px solid var(--line); border-radius: 8px; box-shadow: 0 12px 32px #172d2914; }
.mobile-menu nav a { display: block; padding: 10px 14px; border-radius: 4px; }
.mobile-menu nav a:hover { background: var(--hero); }
.hero { position: relative; isolation: isolate; overflow: hidden; height: min(680px, calc(100svh - 156px)); min-height: 540px; background: var(--hero); text-align: center; }
.hero-scene { position: absolute; z-index: -1; inset: 0; }
.hero-scene img { width: 100%; height: 100%; object-fit: contain; object-position: center bottom; }
.hero-copy { padding-top: 24px; }
.eyebrow { color: var(--green); font-size: 13px; font-weight: 600; margin-bottom: 12px; }
.hero h1 { font-size: 44px; font-weight: 720; }
.hero-description { margin-top: 10px; font-size: 21px; font-weight: 500; }
.hero-note { margin-top: 8px; color: var(--muted); font-size: 14px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 44px; padding: 10px 22px; border-radius: 6px; font-size: 14px; font-weight: 600; }
.button-primary { margin-top: 20px; background: var(--green); color: white; box-shadow: 0 3px 9px #087f7012; }
.button-primary:hover { background: #06675b; }
.button-primary img { filter: brightness(0) invert(1); }
.platform-band { border-bottom: 1px solid var(--line); background: white; }
.platform-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 92px; }
.platform-inner > p { color: var(--muted); font-size: 14px; }
.platform-list { list-style: none; display: flex; flex-wrap: wrap; gap: 36px; align-items: center; padding: 0; margin: 0; font-size: 17px; font-weight: 600; }
.section { padding-block: 88px; }
.section-heading { max-width: 720px; }
h2 { font-size: 34px; font-weight: 650; }
.section-heading > p:last-child { margin-top: 18px; color: var(--muted); font-size: 16px; line-height: 1.9; }
.feature-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 32px; margin-top: 48px; }
.feature { padding-top: 20px; border-top: 1px solid var(--line); min-width: 0; }
.feature-number { color: var(--green); font-size: 12px; font-weight: 600; }
.feature:nth-child(2) .feature-number { color: #7056a3; }
.feature:nth-child(3) .feature-number { color: #aa553b; }
.feature:nth-child(4) .feature-number { color: #3b6a99; }
.feature h3 { margin-top: 14px; font-size: 18px; }
.feature p { margin-top: 12px; color: var(--muted); font-size: 14px; line-height: 1.85; }
.screenshots-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 64px; margin-bottom: 24px; }
.screenshots-heading h3 { font-size: 20px; font-weight: 600; }
.gallery-controls { display: flex; align-items: center; gap: 8px; }
.icon-button { display: inline-grid; place-items: center; flex: 0 0 auto; width: 40px; height: 40px; padding: 0; border: 1px solid var(--line); border-radius: 6px; background: transparent; }
.icon-button:hover:not(:disabled) { background: #eaf1ee; }
.screenshot-gallery { display: grid; grid-auto-flow: column; grid-auto-columns: calc((100% - 96px)/4); gap: 32px; overflow-x: auto; scroll-snap-type: x mandatory; overscroll-behavior-x: contain; scrollbar-width: thin; scrollbar-color: #b5c8c1 transparent; padding: 1px 1px 16px; }
.screenshot-gallery figure { min-width: 0; scroll-snap-align: start; }
.screenshot-gallery img { width: 100%; aspect-ratio: 480/1044; object-fit: contain; border-radius: 8px; border: 1px solid var(--line); background: #f3f7f5; }
.screenshot-gallery figcaption { margin-top: 18px; text-align: center; font-size: 14px; color: var(--muted); }
.capture-note { margin-top: 8px; color: #697772; font-size: 12px; }
.browser-section { background: var(--lilac); }
.browser-layout { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 112px; align-items: center; }
.browser-copy > p:not(.eyebrow) { margin-top: 22px; color: var(--muted); line-height: 1.9; }
.browser-copy h2 { font-size: 36px; line-height: 1.45; }
.browser-steps { list-style: none; margin: 32px 0 0; padding: 0; }
.browser-steps li { display: flex; align-items: flex-start; gap: 16px; margin-top: 24px; }
.browser-steps li > span { width: 28px; height: 28px; display: grid; place-items: center; flex: 0 0 28px; font-size: 13px; color: var(--green); background: #e0ece6; border-radius: 50%; }
.browser-steps h3 { font-size: 16px; font-weight: 600; }
.browser-steps p { margin-top: 5px; font-size: 14px; color: var(--muted); }
.browser-copy .browser-footnote { max-width: 440px; font-size: 12px; }
.browser-capture { width: min(100%, 284px); justify-self: center; }
.browser-capture img { width: 100%; aspect-ratio: 480/1044; border: 5px solid #28453d; border-radius: 24px; box-shadow: 0 16px 36px #263b3314; }
.browser-capture figcaption { margin-top: 20px; color: var(--muted); text-align: center; font-size: 12px; }
.privacy-band { background: #173d34; color: #fff; padding-block: 64px; }
.privacy-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.privacy-inner .eyebrow { color: #8bd9bc; }
.privacy-inner h2 { font-size: 30px; }
.privacy-inner > div:last-child p { color: #d4e7dd; font-size: 15px; line-height: 1.9; }
.text-link { display: inline-flex; align-items: center; gap: 8px; color: var(--green); font-size: 14px; font-weight: 600; }
.text-link:hover { text-decoration: underline; text-underline-offset: 4px; }
.privacy-inner .text-link { color: #a5e4c9; margin-top: 18px; }
.download-notice { color: #755125; font-size: 13px; line-height: 1.9; margin-top: 28px; padding: 14px 18px; background: #fff8eb; border-left: 2px solid #c6a05e; }
.download-notice strong { margin-right: 10px; font-weight: 600; }
.download-grid { display: grid; grid-template-columns: repeat(5,minmax(0,1fr)); margin-top: 32px; gap: 16px; }
.download-item { display: flex; flex-direction: column; align-items: flex-start; min-width: 0; border: 1px solid var(--line); padding: 22px 18px; border-radius: 8px; background: white; }
.download-kind { font-size: 12px; color: var(--muted); }
.download-item h3 { font-size: 22px; margin-top: 12px; }
.download-item > p:not(.download-kind) { font-size: 12px; color: var(--muted); margin-top: 12px; min-height: 44px; }
.download-link { display: inline-flex; align-items: center; justify-content: space-between; gap: 10px; width: 100%; margin-top: 26px; font-size: 14px; color: var(--green); font-weight: 600; }
.download-link:hover { text-decoration: underline; text-underline-offset: 4px; }
.download-link + .download-link { margin-top: 12px; }
.download-link img { flex-shrink: 0; }
.download-windows-note { margin-top: 20px; padding-left: 14px; border-left: 2px solid var(--line); color: var(--muted); font-size: 13px; line-height: 1.9; }
.download-status, .download-alternative { font-size: 11px; margin-top: 8px; color: #687a72; }
.download-pending { font-size: 13px; color: #687a72; margin-top: 26px; }
.download-alternative { color: var(--green); text-decoration: underline; text-underline-offset: 3px; }
.help-section { border-top: 1px solid var(--line); background: #fafbf9; }
.help-layout { display: grid; grid-template-columns: 1fr 1.6fr; gap: 88px; }
.help-heading h2 { font-size: 30px; line-height: 1.5; }
.help-heading > p:not(.eyebrow) { margin-top: 22px; color: var(--muted); font-size: 14px; }
.help-heading .text-link { margin-top: 16px; }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list details:first-child { border-top: 1px solid var(--line); }
.faq-list summary { cursor: pointer; padding: 21px 36px 21px 0; list-style: none; position: relative; font-weight: 550; font-size: 16px; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; top: 20px; right: 2px; width: 24px; text-align: center; font-size: 21px; font-weight: 400; color: var(--green); }
.faq-list details[open] > summary::after { content: "−"; }
.faq-answer { padding: 0 24px 24px 0; color: var(--muted); font-size: 14px; line-height: 1.95; }
.faq-answer .text-link { margin-top: 12px; }
.site-footer { padding-block: 40px 24px; background: white; }
.footer-top { display: flex; align-items: center; flex-wrap: wrap; gap: 24px; padding-bottom: 32px; border-bottom: 1px solid var(--line); }
.footer-top > p { font-size: 13px; color: var(--muted); }
.footer-top nav { display: flex; flex-wrap: wrap; gap: 24px; margin-left: auto; font-size: 13px; color: var(--muted); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 20px; padding-top: 20px; color: var(--muted); font-size: 12px; }
.contact-email { display: flex; align-items: center; gap: 9px; }
.contact-email .icon-button { width: 32px; height: 32px; border: none; }
#copy-status { min-width: 48px; font-size: 11px; }
@media (min-width: 1000px) { .gallery-controls { display: none; } }
@media (max-width: 1000px) {
  .platform-list { gap: 24px; }
  .feature-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 32px; }
  .screenshot-gallery { grid-auto-columns: calc((100% - 48px)/3); gap: 24px; }
  .browser-layout { gap: 48px; }
  .download-grid { grid-template-columns: repeat(3,minmax(0,1fr)); }
  .help-layout { gap: 48px; }
  .footer-top > p { display: none; }
}
@media (max-width: 700px) {
  html { scroll-padding-top: 80px; }
  .container { width: calc(100% - 40px); }
  .header-inner { min-height: 64px; }
  .brand { font-size: 16px; }
  .brand img { width: 32px; height: 32px; }
  .desktop-nav { display: none; }
  .mobile-menu { display: block; }
  .hero { height: min(680px, calc(100svh - 144px)); min-height: 440px; }
  .hero-copy { padding-top: 30px; }
  .hero h1 { font-size: 40px; }
  .hero-description { font-size: 18px; margin-top: 10px; }
  .hero-note { font-size: 12px; margin-top: 8px; }
  .hero .eyebrow { font-size: 12px; margin-bottom: 10px; }
  .hero .button { margin-top: 18px; }
  .platform-inner { padding-block: 22px; flex-direction: column; gap: 14px; text-align: center; }
  .platform-list { justify-content: center; gap: 10px 24px; font-size: 15px; }
  .section { padding-block: 56px; }
  h2 { font-size: 27px; }
  .section-heading > p:last-child { font-size: 14px; margin-top: 16px; }
  .feature-grid { margin-top: 32px; gap: 28px 20px; }
  .feature h3 { font-size: 16px; }
  .feature p { font-size: 13px; }
  .screenshots-heading { margin-top: 42px; margin-bottom: 20px; }
  .screenshots-heading h3 { font-size: 17px; max-width: 200px; }
  .screenshot-gallery { grid-auto-columns: calc((100% - 20px)/2); gap: 20px; }
  .screenshot-gallery figcaption { font-size: 12px; margin-top: 14px; }
  .capture-note { font-size: 11px; }
  .browser-layout, .privacy-inner, .help-layout { grid-template-columns: minmax(0,1fr); gap: 36px; }
  .browser-copy h2 { font-size: 29px; }
  .browser-copy > p:not(.eyebrow) { font-size: 14px; }
  .browser-capture { width: min(68%, 264px); }
  .browser-steps { margin-top: 28px; }
  .privacy-band { padding-block: 44px; }
  .privacy-inner { gap: 22px; }
  .privacy-inner h2 { font-size: 27px; }
  .privacy-inner > div:last-child p { font-size: 14px; }
  .download-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; margin-top: 24px; }
  .download-item { padding: 20px 16px; }
  .download-item h3 { font-size: 21px; }
  .download-link { font-size: 13px; }
  .download-pending { font-size: 12px; }
  .download-notice { font-size: 12px; }
  .help-heading h2 { font-size: 27px; }
  .faq-list summary { font-size: 15px; }
  .footer-top { align-items: flex-start; flex-direction: column; gap: 22px; padding-bottom: 24px; }
  .footer-top nav { margin-left: 0; gap: 24px; }
  .footer-bottom { gap: 12px; }
}
@media (max-height: 720px) and (max-width: 700px) {
  .hero-copy { padding-top: 20px; }
  .hero h1 { font-size: 34px; }
  .hero-description { font-size: 16px; margin-top: 8px; }
  .hero-note { margin-top: 6px; }
  .hero .button { margin-top: 12px; min-height: 40px; padding: 8px 18px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .screenshot-gallery { scroll-behavior: auto; }
}
