:root {
  color-scheme: light;
  --bg: #f7f8f5; --surface: #fff; --surface-soft: #eef1ec;
  --ink: #182923; --muted: #536259; --line: #dbe1d9;
  --accent: #126349; --accent-hover: #0a4f38; --accent-soft: #e7f0e8;
  --focus: #217fce; --shadow: 0 24px 80px #162b2426;
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #121916; --surface: #1a2420; --surface-soft: #202d26;
  --ink: #eef3ed; --muted: #b2c0b6; --line: #34443a;
  --accent: #a5d7b2; --accent-hover: #c2e5cb; --accent-soft: #263d2f;
  --focus: #8bc8fa; --shadow: 0 24px 80px #0006;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; -webkit-text-size-adjust: 100%; scrollbar-gutter: stable; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, Arial, sans-serif; font-size: 16px; line-height: 1.65; -webkit-font-smoothing: antialiased; }
body.modal-open { overflow: hidden; }
button, a { -webkit-tap-highlight-color: transparent; touch-action: manipulation; }
button, input { font: inherit; }
button { cursor: pointer; }
a { color: inherit; text-underline-offset: 4px; }
a:hover { color: var(--accent); }
img { display: block; max-width: 100%; height: auto; }
svg { fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.icon { width: 22px; height: 22px; flex-shrink: 0; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.13; letter-spacing: -.045em; font-weight: 650; }
h1 { font-size: clamp(3.5rem, 5.6vw, 5.6rem); margin-bottom: 28px; }
h2 { font-size: clamp(1.9rem, 3vw, 2.65rem); margin-bottom: 20px; }
h3 { font-size: 1.3rem; letter-spacing: -.025em; }
p { margin-bottom: 20px; }
[hidden] { display: none !important; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 5px; border-radius: 3px; }
::selection { background: var(--accent); color: var(--bg); }
.container { max-width: 1200px; margin-inline: auto; padding-inline: max(32px, env(safe-area-inset-left)) max(32px, env(safe-area-inset-right)); }
.skip-link { position: fixed; top: -100px; left: 20px; background: var(--ink); color: var(--bg); padding: 12px 20px; z-index: 10; }
.skip-link:focus { top: 12px; }
.site-header { border-bottom: 1px solid var(--line); background: var(--bg); }
.header-inner { display: flex; min-height: 88px; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; gap: 10px; align-items: center; white-space: nowrap; text-decoration: none; font-size: 20px; font-weight: 700; letter-spacing: -.045em; }
.desktop-nav { display: flex; gap: 32px; }
.desktop-nav a { text-decoration: none; color: var(--muted); font-size: 14px; font-weight: 550; }
.desktop-nav a:hover { color: var(--ink); }
.header-actions { display: flex; align-items: center; gap: 14px; }
.theme-toggle, .icon-button { display: inline-flex; width: 44px; height: 44px; align-items: center; justify-content: center; border: 1px solid var(--line); border-radius: 50%; background: transparent; color: var(--ink); }
.theme-toggle:hover, .icon-button:hover { background: var(--surface-soft); }
.button { min-height: 52px; padding: 12px 22px; display: inline-flex; justify-content: center; align-items: center; gap: 16px; border: 1px solid transparent; border-radius: 7px; text-decoration: none; font-size: 15px; line-height: 1.4; font-weight: 600; transition: background .16s, color .16s; }
.button-primary { background: var(--accent); color: var(--surface); }
:root[data-theme="dark"] .button-primary { color: #122a1d; }
.button-primary:hover { background: var(--accent-hover); color: var(--surface); }
:root[data-theme="dark"] .button-primary:hover { color: #122a1d; }
.button-outline { border-color: var(--line); color: var(--ink); background: var(--surface); }
.button-outline:hover { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }
.button-small { min-height: 44px; padding: 9px 18px; gap: 12px; }
.button-small .icon { width: 18px; height: 18px; }
.text-link { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; font-size: 14px; font-weight: 600; min-height: 44px; }
.eyebrow { display: flex; align-items: center; gap: 9px; margin-bottom: 22px; font-size: 11px; font-weight: 700; letter-spacing: .13em; line-height: 1.5; color: var(--muted); }
.status-dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); flex-shrink: 0; }
.accent { color: var(--accent); }
.hero { display: grid; grid-template-columns: 1.05fr 1fr; align-items: center; gap: 50px; padding-top: 78px; padding-bottom: 72px; }
.hero-description { color: var(--muted); font-size: 18px; line-height: 1.75; max-width: 530px; }
.hero-actions { display: flex; gap: 24px; align-items: center; flex-wrap: wrap; margin-top: 32px; }
.hero-platforms { display: flex; align-items: center; gap: 9px; flex-wrap: wrap; margin: 25px 0 0; color: var(--muted); font-size: 12px; }
.hero-platforms .icon { width: 15px; height: 15px; }
.hero-platforms > span { margin-inline: 5px; }
.connection-art { position: relative; min-height: 418px; border-radius: 18px; background: var(--surface-soft); overflow: hidden; }
.art-label { position: absolute; top: 28px; left: 30px; font-size: 9px; font-weight: 650; letter-spacing: .15em; color: var(--muted); }
.art-orbit { position: absolute; width: 360px; height: 360px; top: 25px; right: -110px; border-radius: 50%; border: 1px solid var(--line); }
.orbit-two { width: 470px; height: 470px; top: -30px; right: -165px; }
.art-desktop { position: absolute; width: 80%; left: 6%; top: 82px; background: var(--surface); border: 1px solid var(--line); border-radius: 10px; box-shadow: 0 14px 28px #152d2410; }
.desktop-top { display: flex; align-items: center; height: 30px; padding: 0 12px; gap: 4px; border-bottom: 1px solid var(--line); }
.desktop-top i { width: 5px; height: 5px; background: var(--line); border-radius: 50%; }
.desktop-top > span { font-size: 9px; margin-left: 12px; color: var(--muted); }
.desktop-content { padding: 25px 26px 30px; display: flex; align-items: flex-start; flex-direction: column; }
.desktop-content > img { width: 53px; height: 53px; margin-bottom: 18px; }
.desktop-content strong { font-size: 15px; font-weight: 600; letter-spacing: -.025em; }
.desktop-content p { font-size: 10px; color: var(--muted); margin: 4px 0 0; }
.connection-line { position: absolute; top: 87px; left: 86px; width: calc(100% - 140px); border-top: 1px dashed var(--accent); }
.desktop-bottom { display: flex; gap: 5px; padding: 8px 12px; align-items: center; border-top: 1px solid var(--line); font-size: 8px; color: var(--muted); }
.desktop-bottom .status-dot { width: 4px; height: 4px; }
.desktop-bottom > span:last-child { margin-left: auto; }
.art-phone { position: absolute; right: 7%; top: 148px; width: 112px; height: 215px; border-radius: 21px; border: 5px solid #283e32; background: #e6efe4; color: #182923; box-shadow: 0 12px 24px #152d2420; }
.phone-notch { position: absolute; width: 35px; height: 7px; background: #283e32; left: calc(50% - 17.5px); top: 0; border-radius: 0 0 5px 5px; }
.phone-time { display: block; padding: 10px 9px 0; font-size: 7px; }
.phone-content { display: flex; align-items: center; flex-direction: column; padding: 23px 8px; }
.phone-content > .icon { width: 22px; height: 22px; margin-bottom: 10px; color: #126349; }
.phone-content strong { font-size: 11px; letter-spacing: -.02em; }
.phone-content > span { font-size: 7px; color: #536259; }
.phone-connect { border-radius: 50%; width: 35px; height: 35px; margin-block: 13px 10px; display: grid; place-items: center; background: #126349; color: white; }
.phone-connect .icon { width: 17px; height: 17px; }
.phone-content small { font-size: 7px; color: #536259; }
.phone-home { position: absolute; bottom: 5px; left: calc(50% - 16px); width: 32px; height: 3px; border-radius: 4px; background: #283e32; }
.art-caption { position: absolute; left: 30px; bottom: 28px; font-size: 11px; color: var(--muted); }
.benefit-strip { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 30px 0; }
.benefit-strip > div { display: flex; align-items: center; gap: 16px; padding-inline: 24px; }
.benefit-strip > div:first-child { padding-left: 0; }
.benefit-strip > div + div { border-left: 1px solid var(--line); }
.benefit-strip .icon { color: var(--accent); width: 25px; height: 25px; }
.benefit-strip strong, .benefit-strip small { display: block; }
.benefit-strip strong { font-size: 14px; font-weight: 600; }
.benefit-strip small { font-size: 12px; color: var(--muted); margin-top: 3px; }
.section { padding-block: 88px; }
.section-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 30px; margin-bottom: 34px; }
.section-heading .eyebrow { margin-bottom: 14px; }
.section-heading h2 { margin-bottom: 0; }
.section-heading > p { margin: 0; font-size: 14px; color: var(--muted); }
.platform-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.platform-card { border: 1px solid var(--line); border-radius: 9px; padding: 28px; background: var(--surface); display: flex; flex-direction: column; }
.platform-card-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 32px; }
.platform-card-top > .icon { width: 28px; height: 28px; color: var(--accent); }
.platform-card-top > span { font-size: 10px; font-weight: 600; letter-spacing: .07em; color: var(--muted); }
.platform-card h3 { font-size: 21px; margin-bottom: 14px; }
.platform-card > p { color: var(--muted); font-size: 14px; margin-bottom: 20px; }
.platform-card > small { color: var(--muted); font-size: 12px; margin-top: auto; }
.platform-card-actions { display: flex; flex-direction: column; align-items: stretch; gap: 12px; margin-top: 28px; }
.platform-card-actions .button { justify-content: space-between; font-size: 13px; padding-inline: 16px; }
.platform-card-actions > a:last-child { display: flex; align-items: center; justify-content: space-between; text-decoration: none; font-size: 12px; min-height: 34px; color: var(--muted); }
.platform-card-actions > a:last-child .icon { width: 16px; }
.sharing-inner { background: #183e30; color: #f3f7ef; display: grid; grid-template-columns: 1.2fr 1fr; gap: 60px; padding: 60px; border-radius: 12px; }
.sharing-copy .eyebrow { color: #bad1bd; margin-bottom: 20px; }
.sharing-copy h2 { font-size: clamp(2.1rem, 3.4vw, 3rem); }
.sharing-copy > p:not(.eyebrow) { color: #d0e0d2; font-size: 15px; }
.button-white { background: #f1f5e9; color: #183e30; margin-top: 9px; }
.button-white:hover { background: #d8e6ce; color: #183e30; }
.sharing-copy > .carrier-list { font-size: 11px !important; margin: 30px 0 8px; display: flex; flex-wrap: wrap; gap: 12px; }
.sharing-note { font-size: 11px; color: #bad1bd; display: block; }
.sharing-visual { display: flex; flex-direction: column; align-items: center; justify-content: center; }
.sharing-source { display: flex; flex-direction: column; align-items: center; width: 156px; height: 130px; border: 1px solid #688d73; border-radius: 10px; justify-content: center; gap: 15px; }
.sharing-source .icon { width: 37px; height: 37px; color: #bedcae; }
.sharing-source span { font-size: 11px; }
.sharing-branches { height: 75px; position: relative; width: 190px; }
.sharing-branches::before { content: ''; position: absolute; top: 0; left: 50%; height: 35px; border-left: 1px dashed #88aa91; }
.sharing-branches > span { position: absolute; width: 50%; height: 40px; border-top: 1px dashed #88aa91; top: 35px; }
.sharing-branches > span:first-child { border-left: 1px dashed #88aa91; left: 0; }
.sharing-branches > span:last-child { border-right: 1px dashed #88aa91; right: 0; }
.sharing-targets { display: flex; gap: 70px; }
.sharing-targets > div { display: flex; flex-direction: column; align-items: center; gap: 10px; width: 120px; }
.sharing-targets svg { width: 64px; height: 54px; stroke: #cbe1be; stroke-width: 1.2; }
.sharing-targets span { font-size: 11px; }
.sharing-visual > p { margin: 32px 0 0; font-size: 12px; color: #bad1bd; }
.how-section { display: grid; grid-template-columns: 1fr 1fr; gap: 90px; border-bottom: 1px solid var(--line); }
.how-copy p { color: var(--muted); font-size: 15px; }
.how-copy p:last-of-type { font-size: 13px; }
.faq-section { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; }
.section-description { color: var(--muted); font-size: 14px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { list-style: none; cursor: pointer; padding: 21px 0; font-size: 15px; font-weight: 550; display: flex; justify-content: space-between; align-items: flex-start; gap: 24px; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary > span { font-size: 22px; font-weight: 400; line-height: 1.15; color: var(--muted); }
.faq-list details[open] summary > span { transform: rotate(45deg); }
.faq-answer { font-size: 14px; color: var(--muted); padding: 0 28px 22px 0; }
.faq-answer p { margin-bottom: 14px; }
.faq-answer p:last-child { margin-bottom: 0; }
.faq-answer a { color: var(--accent); }
.site-footer { border-top: 1px solid var(--line); background: var(--surface-soft); padding-top: 40px; }
.footer-top { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.footer-top p { font-size: 13px; color: var(--muted); margin: 0; }
.footer-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 30px; padding: 34px 0 38px; }
.footer-grid > div { display: flex; flex-direction: column; align-items: flex-start; }
.footer-label { font-size: 12px; font-weight: 650; margin-bottom: 13px; }
.footer-grid a { display: inline-flex; align-items: center; gap: 7px; font-size: 12px; color: var(--muted); text-decoration: none; min-height: 32px; }
.footer-grid a:hover { color: var(--accent); }
.footer-grid .icon { width: 12px; height: 12px; }
.footer-bottom { border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 20px; padding-block: 22px; color: var(--muted); }
.footer-bottom p { font-size: 10px; margin: 0; }
.breadcrumbs { display: flex; gap: 12px; color: var(--muted); font-size: 12px; padding-top: 30px; }
.breadcrumbs a { text-decoration: none; }
.guide-hero { display: grid; grid-template-columns: 1.35fr .8fr; gap: 90px; padding-block: 55px 65px; align-items: center; border-bottom: 1px solid var(--line); }
.guide-hero h1 { font-size: clamp(3rem, 4.8vw, 4.5rem); }
.guide-hero .eyebrow .icon { width: 16px; height: 16px; }
.guide-hero .hero-actions > a:not(.button) { font-size: 13px; }
.requirements { padding: 30px; background: var(--surface-soft); border: 1px solid var(--line); border-radius: 10px; }
.requirements .eyebrow { margin-bottom: 15px; }
.requirements h2 { font-size: 25px; }
.requirements ul { padding-left: 19px; font-size: 14px; color: var(--muted); margin: 0; }
.requirements li { margin-bottom: 13px; padding-left: 5px; }
.requirements > p { margin: 24px 0 0; font-size: 11px; color: var(--muted); }
.sharing-requirements { background: #183e30; color: #f3f7ef; border-color: #183e30; }
.sharing-requirements .eyebrow, .sharing-requirements ul, .sharing-requirements p { color: #cbe1ce; }
.guide-layout { display: grid; grid-template-columns: minmax(0, 1fr) 250px; gap: 100px; padding-block: 65px 90px; align-items: start; }
.guide-content h2 { font-size: 29px; }
.install-steps { counter-reset: step; list-style: none; padding-left: 0; margin-block: 34px 0; }
.install-steps > li { counter-increment: step; position: relative; padding-left: 56px; padding-bottom: 32px; }
.install-steps > li::before { content: counter(step, decimal-leading-zero); position: absolute; left: 0; top: 0; font-size: 13px; font-weight: 650; color: var(--accent); border-top: 1px solid var(--accent); padding-top: 5px; width: 32px; }
.install-steps h3 { font-size: 18px; margin-bottom: 11px; line-height: 1.4; }
.install-steps > li > div { font-size: 15px; color: var(--muted); }
.guide-details { border-top: 1px solid var(--line); padding-top: 34px; }
.guide-details h2 { margin-top: 32px; font-size: 25px; }
.guide-details > h2:first-child { margin-top: 0; }
.guide-details p { color: var(--muted); font-size: 15px; }
.guide-details a { color: var(--accent); }
.guide-faq { margin-top: 45px; }
.guide-sidebar { position: sticky; top: 30px; }
.guide-sidebar h2 { font-size: 15px; letter-spacing: -.02em; margin-bottom: 15px; }
.guide-sidebar > a { padding: 15px 0; display: flex; gap: 12px; align-items: center; border-bottom: 1px solid var(--line); text-decoration: none; font-size: 13px; }
.guide-sidebar > a .icon { width: 18px; height: 18px; }
.guide-sidebar > a .icon:last-child { margin-left: auto; width: 15px; }
.guide-sidebar > p { font-size: 12px; color: var(--muted); margin-top: 22px; }
code { font-family: Consolas, "SFMono-Regular", monospace; font-size: .88em; overflow-wrap: anywhere; }
.code-block { background: var(--surface-soft); border: 1px solid var(--line); border-radius: 6px; padding: 18px; margin-block: 20px; }
.code-block code { display: block; font-size: 12px; color: var(--ink); white-space: pre-wrap; line-height: 1.7; }
.copy-button { display: inline-block; min-height: 44px; padding: 8px 15px; margin-top: 14px; border: 1px solid var(--line); background: var(--surface); color: var(--ink); border-radius: 5px; font-size: 12px; }
.copy-button:hover { border-color: var(--accent); }
.download-dialog { padding: 32px; width: min(540px, calc(100% - 32px)); max-width: none; max-height: calc(100dvh - 48px); overflow-y: auto; overscroll-behavior: contain; border: 1px solid var(--line); background: var(--surface); color: var(--ink); border-radius: 15px; box-shadow: var(--shadow); }
.download-dialog::backdrop { background: #111e24a6; }
.dialog-header { display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; }
.dialog-header .eyebrow { margin-bottom: 10px; }
.dialog-header h2 { font-size: 27px; margin-bottom: 14px; }
.dialog-header .icon-button { width: 44px; height: 44px; flex-shrink: 0; border: 0; }
.dialog-intro, .device-note { font-size: 13px; color: var(--muted); }
.device-note { background: var(--accent-soft); border-radius: 6px; padding: 12px; }
.platform-tabs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-bottom: 1px solid var(--line); gap: 7px; margin-bottom: 25px; }
.platform-tabs > button { border: 0; border-bottom: 2px solid transparent; background: transparent; color: var(--muted); padding: 13px 3px; display: flex; align-items: center; justify-content: center; gap: 7px; font-size: 13px; }
.platform-tabs > button[aria-selected="true"] { border-bottom-color: var(--accent); color: var(--accent); font-weight: 650; }
.platform-tabs .icon { width: 18px; height: 18px; }
.download-summary { display: flex; justify-content: space-between; align-items: center; gap: 15px; margin-bottom: 25px; }
.download-summary h3 { font-size: 19px; margin-bottom: 7px; }
.download-summary p { font-size: 12px; color: var(--muted); margin: 0; }
.file-type { border: 1px solid var(--line); border-radius: 4px; padding: 7px 10px; font-size: 10px; font-weight: 600; letter-spacing: .05em; }
.download-file { width: 100%; }
.release-status { font-size: 11px; color: var(--muted); text-align: center; margin: 12px 0 23px; overflow-wrap: anywhere; min-height: 18px; }
.quick-steps { border-top: 1px solid var(--line); padding-top: 20px; }
.quick-steps > span { font-size: 9px; letter-spacing: .12em; font-weight: 650; color: var(--muted); }
.quick-steps ol { font-size: 13px; color: var(--muted); padding-left: 19px; margin-top: 13px; }
.quick-steps li { margin-bottom: 9px; padding-left: 5px; }
.download-help { font-size: 12px; color: var(--muted); }
.download-help a { color: var(--accent); }
.download-links { display: flex; justify-content: space-between; align-items: center; gap: 15px; font-size: 12px; padding-top: 8px; }
.download-links > a { display: flex; align-items: center; gap: 7px; min-height: 44px; }
.download-links .icon { width: 15px; height: 15px; }
.dialog-footnote { border-top: 1px solid var(--line); margin: 18px 0 0; padding-top: 18px; color: var(--muted); font-size: 10px; }
.toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%); max-width: min(450px, calc(100% - 32px)); background: var(--ink); color: var(--surface); border-radius: 7px; padding: 13px 20px; font-size: 13px; opacity: 0; pointer-events: none; z-index: 20; }
.toast.visible { opacity: 1; }
@media (max-width: 1000px) {
  .desktop-nav { gap: 20px; }
  .hero { gap: 32px; }
  h1 { font-size: 4rem; }
  .hero-description { font-size: 16px; }
  .connection-art { min-height: 390px; }
  .art-desktop { width: 85%; left: 5%; }
  .art-phone { right: 5%; width: 102px; height: 210px; }
  .desktop-content { padding-inline: 19px; }
  .desktop-content strong { max-width: 170px; }
  .platform-card { padding: 22px; }
  .platform-card h3 { font-size: 19px; }
  .sharing-inner { padding: 44px; gap: 34px; }
  .sharing-targets { gap: 35px; }
  .sharing-branches { width: 155px; }
  .how-section { gap: 50px; }
  .guide-hero { gap: 40px; }
  .guide-layout { gap: 50px; grid-template-columns: minmax(0, 1fr) 220px; }
}
@media (max-width: 760px) {
  .container { padding-inline: max(22px, env(safe-area-inset-left)) max(22px, env(safe-area-inset-right)); }
  .header-inner { min-height: 76px; gap: 12px; }
  .desktop-nav { display: none; }
  .brand { font-size: 19px; gap: 8px; }
  .brand img { width: 30px; height: 30px; }
  .header-actions { gap: 9px; }
  .theme-toggle { width: 44px; height: 44px; }
  .hero { grid-template-columns: 1fr; padding-block: 48px 40px; gap: 36px; }
  h1 { font-size: clamp(3.15rem, 10vw, 4.4rem); }
  .hero h1 { margin-bottom: 23px; }
  .hero-description { max-width: 570px; }
  .eyebrow { margin-bottom: 20px; }
  .hero-actions { margin-top: 24px; gap: 20px; }
  .hero-platforms { margin-top: 21px; }
  .connection-art { width: 100%; min-height: 365px; }
  .art-desktop { width: 76%; top: 68px; left: 7%; }
  .desktop-content { padding: 23px 26px 29px; }
  .desktop-content strong { max-width: none; }
  .art-phone { right: 8%; top: 119px; }
  .art-label { top: 22px; left: 25px; }
  .art-caption { left: 25px; bottom: 22px; }
  .benefit-strip { grid-template-columns: 1fr; gap: 20px; padding-block: 25px; }
  .benefit-strip > div { padding-inline: 0; }
  .benefit-strip > div + div { border-left: 0; }
  .benefit-strip strong { font-size: 13px; }
  .section { padding-block: 55px; }
  .section-heading { display: block; margin-bottom: 26px; }
  .section-heading > p { margin-top: 17px; }
  .section-heading > p br { display: none; }
  .platform-grid { grid-template-columns: 1fr; gap: 14px; }
  .platform-card { padding: 24px; }
  .platform-card-top { margin-bottom: 22px; }
  .platform-card h3 { font-size: 22px; }
  .platform-card-actions { margin-top: 20px; }
  .platform-card-actions > a:last-child { min-height: 44px; }
  .platform-card > p { margin-bottom: 14px; }
  .sharing-inner { grid-template-columns: 1fr; padding: 32px 27px; gap: 35px; }
  .sharing-copy h2 { font-size: 2.3rem; }
  .sharing-visual { border-top: 1px solid #688d73; padding-top: 30px; }
  .sharing-source { height: 100px; width: 156px; gap: 9px; }
  .sharing-source .icon { width: 28px; height: 28px; }
  .sharing-branches { height: 55px; }
  .sharing-branches::before { height: 25px; }
  .sharing-branches > span { height: 30px; top: 25px; }
  .sharing-visual > p { margin-top: 22px; }
  .how-section, .faq-section { grid-template-columns: 1fr; gap: 18px; }
  .how-section h2 { margin-bottom: 15px; }
  .faq-section { gap: 16px; }
  .faq-list summary { padding-block: 20px; font-size: 14px; }
  .footer-top { display: block; }
  .footer-top p { margin-top: 14px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 26px 18px; }
  .footer-grid a { min-height: 40px; }
  .footer-bottom { display: block; padding-block: 20px 26px; }
  .footer-bottom p + p { margin-top: 8px; }
  .guide-hero { grid-template-columns: 1fr; padding-block: 38px 40px; gap: 32px; }
  .guide-hero h1 { font-size: clamp(2.85rem, 9vw, 4rem); }
  .requirements { padding: 25px; }
  .guide-layout { grid-template-columns: 1fr; gap: 36px; padding-block: 40px 55px; }
  .guide-sidebar { position: static; border-top: 1px solid var(--line); padding-top: 25px; }
  .guide-sidebar > a { min-height: 52px; }
  .guide-content h2 { font-size: 25px; }
  .install-steps > li { padding-left: 45px; }
  .install-steps h3 { font-size: 17px; }
  .install-steps > li > div { font-size: 14px; }
  .guide-details p { font-size: 14px; }
  .download-dialog { padding: 24px; }
}
@media (max-width: 380px) {
  .container { padding-inline: 18px; }
  .header-actions { gap: 6px; }
  .header-actions .button { padding-inline: 12px; }
  .header-actions .button .icon { display: none; }
  .brand { font-size: 18px; }
  .hero-actions { gap: 12px; }
  .hero-actions .button { padding-inline: 18px; }
  .hero-actions .text-link { font-size: 12px; gap: 7px; }
  .connection-art { min-height: 355px; }
  .desktop-content strong { max-width: 150px; font-size: 13px; }
  .sharing-inner { padding: 28px 22px; }
  .sharing-copy h2 { font-size: 2rem; }
  .sharing-targets { gap: 20px; }
  .sharing-targets > div { width: 105px; }
  .sharing-branches { width: 125px; }
  .download-dialog { padding: 21px 18px; width: calc(100% - 20px); max-height: calc(100dvh - 24px); }
  .dialog-header h2 { font-size: 24px; }
  .platform-tabs > button { font-size: 12px; gap: 5px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}