@charset "UTF-8";

:root {
  color-scheme: light;
  --ink: #182a42;
  --muted: #65758b;
  --blue: #2254ee;
  --paper: #ffffff;
  --wash: #f6f8fc;
  --line: #e2e8f1;
  --display: "Avenir Next", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --body: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--body); -webkit-font-smoothing: antialiased; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
a { color: inherit; text-decoration: none; }
button, summary, a { touch-action: manipulation; }
button:focus-visible, summary:focus-visible, a:focus-visible { outline: 3px solid var(--blue); outline-offset: 5px; }
button:not(:disabled), summary { cursor: pointer; }
button:disabled { cursor: not-allowed; }
svg { display: block; width: 100%; height: 100%; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
h1, h2, h3, p { margin: 0; }
.container { width: min(1200px, calc(100% - 96px)); margin-inline: auto; }
.skip-link { position: fixed; top: 10px; left: 16px; transform: translateY(-160%); z-index: 100; padding: 12px 20px; background: white; border: 2px solid var(--blue); }
.skip-link:focus { transform: translateY(0); }
.site-header { height: 88px; border-bottom: 1px solid var(--line); background: rgba(255,255,255,.96); }
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.wordmark { display: inline-flex; align-items: center; gap: 12px; font-family: var(--display); font-size: 23px; font-weight: 700; letter-spacing: -.8px; }
.brand-mark { position: relative; display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; color: white; background: var(--blue); font-size: 23px; font-weight: 700; padding-right: 4px; }
.brand-mark span { position: absolute; right: 3px; top: 2px; font-size: 14px; }
.brand-by { margin-left: 5px; padding-left: 15px; border-left: 1px solid #ccd5e3; font-size: 11px; letter-spacing: .1px; font-weight: 500; color: var(--muted); }
nav { display: flex; align-items: center; gap: 34px; font-size: 13px; font-weight: 550; }
nav a { padding: 12px 0; }
nav a:hover, .text-link:hover { color: var(--blue); }
.nav-download { display: flex; gap: 24px; align-items: center; }
.nav-download span { color: var(--blue); font-size: 19px; }
.hero { min-height: 652px; display: grid; grid-template-columns: 1.08fr 1fr; gap: 58px; align-items: center; padding-block: 58px 68px; }
.eyebrow { display: flex; align-items: center; gap: 10px; color: var(--blue); font-size: 10px; line-height: 1.5; font-weight: 700; letter-spacing: 1.8px; }
.eyebrow-line { height: 2px; width: 25px; background: currentColor; }
h1 { margin-top: 24px; font-size: clamp(37px, 3.65vw, 51px); line-height: 1.44; letter-spacing: -2px; font-weight: 650; font-family: var(--display); }
.accent { color: var(--blue); }
.hero-description { margin-top: 24px; font-size: 15px; line-height: 1.95; color: var(--muted); }
.hero-actions { display: flex; align-items: center; gap: 27px; margin-top: 32px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 31px; padding: 17px 22px; border: 0; border-radius: 8px; font-size: 13px; font-weight: 600; }
.button-primary { background: var(--blue); color: white; box-shadow: 0 6px 16px #2254ee20; transition: background .2s, transform .2s; }
.button-primary:hover { background: #1643d2; transform: translateY(-2px); }
.button span { font-size: 19px; line-height: 16px; }
.text-link { display: inline-flex; align-items: center; gap: 13px; padding: 12px 0; font-size: 13px; font-weight: 550; }
.platform-summary { display: flex; gap: 0; color: var(--muted); margin-top: 22px; font-size: 11px; letter-spacing: .1px; }
.platform-summary span + span::before { content: "/"; margin-inline: 12px; color: #b1bdce; }
.hero-note { display: flex; align-items: center; gap: 14px; margin-top: 41px; font-size: 11px; line-height: 1.9; color: var(--muted); }
.hero-note strong { font-weight: 500; color: var(--ink); }
.note-line { width: 29px; height: 29px; border: 1px solid #bacbf0; border-radius: 50%; position: relative; }
.note-line::after { position: absolute; content: ""; width: 11px; height: 11px; border: 1px solid var(--blue); border-radius: 50%; top: 8px; left: 8px; }
.hero-visual { position: relative; margin: 0 0 18px 10px; padding: 9px; border: 1px solid var(--line); border-radius: 28px; background: var(--wash); }
.visual-frame { height: 466px; border-radius: 20px; overflow: hidden; position: relative; background: #1d3354; }
.robot-image { display: block; width: 100%; height: 100%; object-fit: cover; object-position: center top; }
.visual-frame::after { content: ""; position: absolute; inset: 55% 0 0; background: linear-gradient(transparent, #0a19309e); pointer-events: none; }
.visual-caption { position: absolute; bottom: 23px; left: 25px; right: 23px; display: flex; flex-wrap: wrap; gap: 8px; justify-content: space-between; color: #fff; font-size: 9px; letter-spacing: 1.5px; z-index: 1; }
.visual-caption span:last-child { letter-spacing: 1px; }
.visual-coordinate { position: absolute; font-size: 8px; letter-spacing: 1.7px; color: var(--muted); bottom: -25px; right: 9px; }
.overview { padding-block: 40px 76px; border-top: 1px solid var(--line); }
.section-heading { display: flex; gap: 30px; justify-content: space-between; align-items: flex-end; }
h2 { font-size: 28px; font-family: var(--display); font-weight: 600; letter-spacing: -.6px; line-height: 1.55; margin-top: 12px; }
.section-heading > p { font-size: 12px; line-height: 1.9; color: var(--muted); }
.features { margin-top: 35px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.feature { padding-right: 23px; }
.feature + .feature { border-left: 1px solid var(--line); padding-left: 32px; }
.feature-icon { display: block; color: var(--blue); height: 30px; width: 30px; margin-bottom: 20px; }
.feature h3 { font-size: 16px; font-weight: 600; }
.feature p { font-size: 12px; color: var(--muted); line-height: 1.95; margin-top: 12px; }
.feature-detail { display: block; font-size: 10px; margin-top: 20px; color: #596a83; }
.feature-detail span { margin-inline: 10px; color: #a4b3c8; }
.downloads-section { padding-block: 66px 64px; background: var(--wash); border-block: 1px solid var(--line); }
.download-heading { margin-bottom: 33px; }
.product-picker { display: grid; grid-template-columns: repeat(3, 1fr); padding: 6px; gap: 6px; border: 1px solid var(--line); border-radius: 12px; background: #edf1f7; }
.product-option { text-align: left; padding: 15px 18px; border: 1px solid transparent; border-radius: 8px; background: transparent; color: var(--muted); transition: background .18s, color .18s; }
.product-option strong { display: flex; justify-content: space-between; gap: 10px; font-family: var(--display); font-weight: 600; font-size: 15px; }
.product-option strong::after { content: "↗"; opacity: 0; }
.product-option span { display: block; margin-top: 5px; font-size: 10px; }
.product-option[aria-pressed="true"] { background: white; border-color: var(--line); color: var(--blue); box-shadow: 0 2px 5px #20395e07; }
.product-option[aria-pressed="true"] strong::after { opacity: 1; }
.product-option:hover { color: var(--blue); background: #ffffff80; }
.product-intro { display: flex; gap: 20px; justify-content: space-between; align-items: center; margin: 32px 0 23px; }
.product-title-row { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; }
.product-title-row h3 { font-size: 21px; font-family: var(--display); letter-spacing: -.4px; font-weight: 600; }
.audience-label { font-size: 9px; font-weight: 600; color: var(--blue); background: #e6edff; border-radius: 4px; padding: 5px 8px; }
.product-intro p { margin-top: 9px; font-size: 12px; color: var(--muted); line-height: 1.8; }
.product-indicator { flex-shrink: 0; color: #798aa2; font-size: 8px; letter-spacing: 1px; }
.platform-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 17px; }
.platform-card { min-width: 0; padding: 25px 23px 20px; background: white; border: 1px solid var(--line); border-radius: 12px; }
.platform-card-header { display: flex; align-items: center; gap: 14px; padding-bottom: 21px; border-bottom: 1px solid #edf0f5; }
.platform-icon { width: 34px; height: 34px; color: var(--ink); flex-shrink: 0; }
.platform-card h4 { font-family: var(--display); font-size: 20px; font-weight: 600; letter-spacing: -.4px; margin: 0; }
.platform-card-header p { font-size: 10px; color: var(--muted); margin-top: 4px; }
.download-option { margin-top: 18px; }
.download-meta { display: flex; flex-wrap: wrap; gap: 4px 8px; justify-content: space-between; align-items: center; min-height: 17px; margin-bottom: 9px; font-size: 11px; }
.download-version { color: var(--muted); font-size: 10px; overflow-wrap: anywhere; }
.download-button { display: flex; width: 100%; justify-content: space-between; align-items: center; gap: 10px; padding: 12px 14px; border-radius: 6px; border: 1px solid #d9e2fa; color: var(--blue); background: #f2f5ff; font-size: 11px; font-weight: 550; transition: background .2s; }
.download-button:hover { background: #e5ecff; }
.download-button:disabled { color: #768296; background: #f6f7f9; border-color: #e9edf2; font-weight: 400; }
.download-button svg { height: 16px; width: 16px; flex-shrink: 0; }
.platform-card[data-platform="android"] { grid-column: 1 / -1; display: flex; flex-wrap: wrap; align-items: center; gap: 26px; padding-block: 19px; }
.platform-card[data-platform="android"] .platform-card-header { border: 0; padding: 0; flex: 1; }
.platform-card[data-platform="android"] .download-option { margin: 0; min-width: 238px; }
.platform-card[data-platform="android"] .download-meta { margin-bottom: 6px; }
.platform-card[data-platform="android"] .platform-icon { color: #237568; }
.download-note { margin-top: 20px; font-size: 10px; color: var(--muted); line-height: 1.9; }
.catalog-status { padding: 26px; border-radius: 10px; border: 1px solid var(--line); color: var(--muted); background: white; font-size: 14px; line-height: 1.7; }
.catalog-status[hidden] { display: none; }
.faq-section { display: grid; grid-template-columns: .85fr 1.65fr; gap: 75px; padding-block: 73px; }
.faq-heading h2 { font-size: 28px; line-height: 1.55; }
.faq-heading > p:last-child { margin-top: 17px; color: var(--muted); font-size: 12px; }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list details:first-child { border-top: 1px solid var(--line); }
.faq-list summary { list-style: none; padding: 22px 0; display: flex; justify-content: space-between; gap: 20px; font-size: 13px; line-height: 1.6; font-weight: 550; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { color: var(--muted); font-size: 18px; line-height: 20px; transition: transform .2s; }
.faq-list details[open] summary span { transform: rotate(45deg); }
.faq-list details p { padding: 0 32px 22px 0; color: var(--muted); font-size: 12px; line-height: 1.95; }
.site-footer { padding-block: 29px; border-top: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.footer-wordmark { font-size: 18px; }
.site-footer p, .site-footer > a:last-child { color: var(--muted); font-size: 11px; }
.site-footer > a:last-child span { margin-left: 17px; color: var(--blue); }

@media (min-width: 1500px) { .hero { gap: 86px; } }
@media (max-width: 1050px) {
  .container { width: calc(100% - 64px); }
  .hero { gap: 32px; min-height: 600px; }
  h1 { font-size: 37px; }
  .visual-frame { height: 425px; }
  .hero-description { font-size: 13px; }
  .hero-actions { gap: 20px; }
  .button { gap: 19px; padding-inline: 17px; }
  .features { gap: 25px; }
  .feature { padding-right: 0; }
  .feature + .feature { padding-left: 25px; }
  .product-indicator { display: none; }
  .platform-card { padding-inline: 18px; }
  .faq-section { gap: 40px; }
}
@media (max-width: 760px) {
  html { scroll-padding-top: 24px; }
  .container { width: calc(100% - 40px); }
  .site-header { height: 74px; }
  .wordmark { font-size: 21px; gap: 10px; }
  .header-inner .brand-by { display: none; }
  nav { gap: 21px; font-size: 12px; }
  .nav-download { gap: 8px; }
  .hero { grid-template-columns: 1fr; gap: 44px; padding-block: 44px 58px; }
  h1 { font-size: clamp(35px, 6.5vw, 48px); margin-top: 20px; letter-spacing: -1.4px; }
  .hero-description { font-size: 14px; margin-top: 19px; }
  .hero-actions { margin-top: 26px; gap: 26px; }
  .hero-note { display: none; }
  .hero-visual { margin: 0 0 14px 11px; }
  .visual-frame { height: 390px; }
  .visual-coordinate { font-size: 7px; letter-spacing: 1.2px; }
  .section-heading { display: block; }
  .section-heading > p { margin-top: 13px; }
  .section-heading > p br { display: none; }
  h2 { font-size: 24px; letter-spacing: -.6px; }
  .overview { padding-block: 35px 43px; }
  .features { grid-template-columns: 1fr; gap: 0; margin-top: 26px; }
  .feature { position: relative; padding: 22px 0 22px 52px; }
  .feature + .feature { border-left: 0; border-top: 1px solid var(--line); padding-left: 52px; }
  .feature-icon { position: absolute; left: 0; top: 22px; }
  .feature p { font-size: 13px; }
  .feature-detail { margin-top: 12px; }
  .downloads-section { padding-block: 40px; }
  .download-heading { margin-bottom: 26px; }
  .product-picker { grid-template-columns: repeat(2, 1fr); }
  .product-option:last-child:nth-child(odd) { grid-column: 1 / -1; }
  .product-option { padding: 13px 12px; }
  .product-intro { margin-block: 27px 20px; }
  .product-title-row h3 { font-size: 21px; }
  .product-intro p { font-size: 13px; }
  .platform-cards { grid-template-columns: 1fr; gap: 14px; }
  .platform-card { padding: 22px; }
  .platform-card-header { padding-bottom: 18px; }
  .download-meta { font-size: 12px; }
  .download-button { font-size: 12px; padding-block: 14px; }
  .platform-card[data-platform="android"] { display: block; }
  .platform-card[data-platform="android"] .download-option { min-width: 0; margin-top: 18px; }
  .download-note { font-size: 11px; }
  .faq-section { padding-block: 44px; grid-template-columns: 1fr; gap: 25px; }
  .faq-heading h2 { font-size: 24px; }
  .faq-heading h2 br { display: none; }
  .faq-heading > p:last-child { margin-top: 10px; }
  .faq-list summary { font-size: 13px; padding-block: 19px; }
  .faq-list details p { font-size: 13px; padding-right: 0; }
  .site-footer { flex-wrap: wrap; gap: 16px; padding-block: 26px; }
  .site-footer p { order: 3; flex-basis: 100%; }
}
@media (max-width: 380px) {
  .container { width: calc(100% - 32px); }
  nav > a:first-child { display: none; }
  h1 { font-size: 31px; }
  .hero-actions { gap: 19px; }
  .hero-description { font-size: 13px; }
  .visual-frame { height: 345px; }
  .visual-caption { font-size: 8px; left: 16px; right: 16px; letter-spacing: 1px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}