:root {
  color-scheme: light;
  --ink: var(--ui-ink);
  --muted: var(--ui-muted);
  --line: var(--ui-border);
  --blue: var(--ui-blue);
  --navy: #173357;
  --mint: #29d8b0;
  --page-width: 1120px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body { margin: 0; color: var(--ink); background: #fff; font-family: var(--ui-font); font-size: 15px; line-height: 1.65; -webkit-font-smoothing: antialiased; }
[hidden] { display: none !important; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: .55; }
button, a, input, select, textarea { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid #7ba7ff; outline-offset: 4px; }
::selection { background: #dce9ff; color: #163b7c; }

/* One restrained navigation treatment across all public pages. */
.site-header {
  position: sticky; top: 0; z-index: 20;
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
  height: 76px; gap: 32px; padding: 0 max(28px, calc((100vw - 1280px) / 2));
  border-bottom: 1px solid var(--line); background: rgba(255,255,255,.96);
  backdrop-filter: blur(18px);
}
.brand { display: flex; align-items: center; width: max-content; gap: 9px; font-weight: 800; }
.brand-mark { flex: 0 0 auto; width: 35px; height: 35px; }
.brand-name { color: #142b48; font-size: 25px; line-height: 1.2; letter-spacing: -.9px; }
.brand-cn { color: #66748b; font-size: 13px; margin-left: 2px; font-weight: 500; }
.desktop-nav { display: flex; height: 100%; align-items: stretch; gap: 40px; font-size: 14px; font-weight: 600; }
.desktop-nav a { display: flex; align-items: center; position: relative; color: #61718a; transition: color .2s; }
.desktop-nav a:hover, .desktop-nav a.active { color: var(--blue); }
.desktop-nav a::after { content: ""; position: absolute; height: 3px; left: 0; right: 0; bottom: 0; border-radius: 3px 3px 0 0; background: var(--blue); transform: scaleX(0); transition: transform .2s; }
.desktop-nav a.active::after { transform: scaleX(1); }
.header-actions { justify-self: end; display: flex; gap: 12px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border-radius: var(--ui-control-radius); font-weight: 650; transition: transform .2s, box-shadow .2s, background .2s; }
.button:hover { transform: translateY(-2px); }
.button-login { height: 40px; min-width: 74px; border: 1px solid var(--line); font-size: 14px; background: #fff; }
.button-login:hover { background: var(--ui-canvas); }
.button-register { height: 40px; min-width: 78px; color: #fff; background: var(--blue); font-size: 14px; box-shadow: 0 4px 12px #2465e81a; }
.button-register:hover { background: var(--ui-blue-hover); }
.menu-button, .mobile-nav { display: none; }

/* Landing page: spacious type, a crisp model panel and original role photos. */
.hero-section { position: relative; padding: 88px 28px 64px; overflow: hidden; background: radial-gradient(ellipse at 95% 12%, #dcecff 0, transparent 42%), radial-gradient(ellipse at 2% 72%, #eaf9f5 0, transparent 40%), linear-gradient(#f8fbff, #fff); }
.hero-grid { width: min(var(--page-width),100%); margin: 0 auto; display: grid; grid-template-columns: minmax(0,1.35fr) minmax(0,1fr); gap: 70px; align-items: center; }
.hero-copy { padding: 12px 0; }
.hero-kicker { margin: 0 0 16px; color: #526988; font-size: clamp(24px,2.5vw,32px); line-height: 1.35; font-weight: 450; letter-spacing: -.7px; }
.hero-copy h1 { max-width: 580px; margin: 0; color: #16355b; font-size: clamp(38px,4.25vw,56px); line-height: 1.28; font-weight: 750; letter-spacing: -2px; text-wrap: balance; }
.hero-subtitle { margin: 28px 0 32px; color: var(--muted); font-size: 15px; }
.hero-subtitle strong { color: var(--blue); font-size: 20px; font-weight: 750; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.primary-button { min-width: 148px; min-height: 48px; padding: 0 24px; color: #fff; background: var(--blue); box-shadow: 0 8px 18px -8px #2465e866; }
.primary-button:hover { background: var(--ui-blue-hover); box-shadow: 0 10px 24px -8px #2465e866; }
.secondary-button { min-height: 48px; padding: 0 22px; border: 1px solid #cddbec; background: #fff; color: #365274; }
.secondary-button:hover { background: #f7faff; }

/* Job estimates: an endless, slowly drifting row of cards across the full
   width. Without scripts or with reduced motion it is a row to scroll. */
.use-cases { margin-top: 88px; padding: 64px 0 52px; overflow: hidden; border-block: 1px solid #edf2f9; background: radial-gradient(ellipse at 10% 0, #e6f0ff 0, transparent 44%), radial-gradient(ellipse at 92% 100%, #e8f8f3 0, transparent 40%), linear-gradient(#f8fbff, #fcfdff); }
.use-case-head { width: min(var(--page-width),100%); margin: 0 auto 28px; padding: 0 28px; display: grid; grid-template-columns: minmax(0,1fr) auto; align-items: center; gap: 16px 24px; }
.use-case-head h2 { margin: 0; color: var(--ink); font-size: clamp(26px,3.4vw,40px); font-weight: 750; line-height: 1.25; letter-spacing: -1px; }
.use-case-head h2 span { color: var(--blue); }
.use-case-head p { margin: 10px 0 0; color: var(--muted); font-size: 14px; }
.use-case-actions { display: flex; align-items: center; gap: 10px; }
.pill-button { display: inline-flex; align-items: center; justify-content: center; min-height: 42px; padding: 0 22px; border-radius: 999px; color: #fff; background: var(--ink); font-size: 14px; font-weight: 650; white-space: nowrap; transition: transform .2s, background .2s; }
.pill-button:hover { transform: translateY(-2px); background: #0e1f36; }
.marquee-toggle { display: grid; place-items: center; width: 42px; height: 42px; padding: 0; border: 1px solid #d5e0ee; border-radius: 50%; color: var(--ink); background: #fff; transition: border-color .2s, background .2s; }
.marquee-toggle:hover { border-color: #b8cbe6; background: #f6f9ff; }
.marquee-toggle svg { width: 14px; height: 14px; fill: currentColor; }
.marquee-toggle .icon-play, .marquee-toggle[aria-pressed="true"] .icon-pause { display: none; }
.marquee-toggle[aria-pressed="true"] .icon-play { display: block; }
.marquee { --marquee-gap: 24px; --marquee-edge: max(28px, calc((100% - var(--page-width)) / 2 + 28px)); --marquee-duration: 96s; overflow-x: auto; padding: 8px var(--marquee-edge) 22px; scroll-snap-type: x mandatory; scroll-padding-inline: var(--marquee-edge); scrollbar-width: thin; scrollbar-color: #cad8eb transparent; }
.marquee:focus-visible { outline-offset: -3px; }
.marquee-track { display: flex; width: max-content; }
.marquee-group { display: flex; gap: var(--marquee-gap); margin: 0; padding: 0; list-style: none; }
.job-card { display: flex; flex-direction: column; flex: 0 0 360px; padding: 28px 28px 22px; border: 1px solid #e4ecf6; border-radius: 28px; background: #fafcff; box-shadow: 0 4px 12px rgba(23,45,76,.04), 0 22px 44px -28px rgba(23,45,76,.16); scroll-snap-align: start; }
.job-tag { align-self: flex-start; padding: 4px 14px; border-radius: 999px; color: #fff; background: var(--ink); font-size: 12px; font-weight: 700; line-height: 1.6; }
.job-card h3 { margin: 20px 0 12px; color: var(--ink); font-size: 21px; font-weight: 700; line-height: 1.45; letter-spacing: -.4px; }
.job-card h3 strong { color: var(--blue); font-weight: 750; }
.job-card p { margin: 0 0 22px; color: var(--muted); font-size: 13.5px; line-height: 1.8; }
.job-card small { display: block; margin-top: auto; padding-top: 14px; border-top: 1px solid #ebf0f7; color: #8794a8; font-size: 11.5px; line-height: 1.65; }
/* Two identical groups, each followed by one gap: moving by half the track loops seamlessly. */
.marquee.is-running { overflow: hidden; padding-inline: 0; scroll-snap-type: none; -webkit-mask-image: linear-gradient(90deg, transparent, #000 4%, #000 96%, transparent); mask-image: linear-gradient(90deg, transparent, #000 4%, #000 96%, transparent); }
.marquee.is-running .marquee-group { padding: 0 var(--marquee-gap) 0 0; }
.marquee.is-running .marquee-track { animation: job-marquee var(--marquee-duration) linear infinite; }
.marquee.is-running:is(:hover, :focus-within, .is-paused, .is-offscreen) .marquee-track { animation-play-state: paused; }
@keyframes job-marquee { to { transform: translate3d(-50%, 0, 0); } }
.closing-section { margin: 0 auto; text-align: center; padding: 70px 24px 78px; border-top: 1px solid #edf2f9; background: #f6f9fe; }
.closing-section p { margin: 0 0 12px; color: var(--blue); font-size: 13px; font-weight: 650; letter-spacing: 1px; }
.closing-section h2 { margin: 0 auto 28px; max-width: 640px; font-size: clamp(25px,3vw,34px); font-weight: 700; line-height: 1.5; text-wrap: balance; }

/* Product sections on the landing page. */
.product-panel { padding: 26px; border: 1px solid #d9e5f5; border-radius: 22px; background: #fff; box-shadow: 0 28px 64px -32px #1c4e994f; }
.product-panel h2 { margin: 0 0 6px; font-size: 19px; font-weight: 700; letter-spacing: -.4px; }
.product-panel > p { margin: 0 0 16px; color: var(--muted); font-size: 13px; }
.product-panel ul { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; }
.product-panel li { display: grid; grid-template-columns: 38px 1fr; gap: 12px; align-items: center; padding: 12px 14px; border: 1px solid #edf1f7; border-radius: 12px; background: #fafcff; }
.product-panel li > span { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 10px; color: var(--blue); background: var(--ui-blue-soft); font-size: 13px; font-weight: 750; }
.product-panel li strong { display: block; font-size: 14px; }
.product-panel li small { display: block; color: var(--muted); font-size: 12px; line-height: 1.6; }
.home-section { width: min(var(--page-width),100%); margin: 0 auto; padding: 80px 28px 0; }
.home-section > header { max-width: 640px; margin: 0 auto 32px; text-align: center; }
.home-section > header p:first-child { margin: 0 0 8px; color: var(--blue); font-size: 13px; font-weight: 650; letter-spacing: 1px; }
.home-section > header h2 { margin: 0; font-size: clamp(23px,2.6vw,32px); font-weight: 700; letter-spacing: -.7px; }
.home-section > header p:last-child:not(:first-child) { margin: 10px 0 0; color: var(--muted); font-size: 14px; }
.feature-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 16px; }
.feature-grid article { padding: 24px; border: 1px solid var(--line); border-radius: 16px; background: #fff; transition: border-color .2s, box-shadow .2s; }
.feature-grid article:hover { border-color: #c6d8f6; box-shadow: var(--ui-shadow-small); }
.feature-grid h3 { margin: 0 0 8px; font-size: 16px; }
.feature-grid p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.85; }
.feature-tag { display: inline-block; margin-bottom: 14px; padding: 3px 10px; border-radius: 999px; color: var(--blue); background: var(--ui-blue-soft); font-size: 12px; font-weight: 650; }
.step-list { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 16px; margin: 0; padding: 0; list-style: none; counter-reset: home-step; }
.step-list li { position: relative; padding: 26px 24px 24px; border-radius: 16px; background: var(--ui-canvas); counter-increment: home-step; }
.step-list li::before { content: "0" counter(home-step); display: block; margin-bottom: 12px; color: var(--blue); font-size: 13px; font-weight: 750; letter-spacing: 1px; }
.step-list h3 { margin: 0 0 6px; font-size: 16px; }
.step-list p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.85; }
.step-list a { color: var(--blue); }
.download-band { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 28px; align-items: center; padding: 32px 36px; border: 1px solid #d9e5f5; border-radius: 20px; background: linear-gradient(120deg,#f4f8ff,#f2fbf8); }
.download-band h2 { margin: 0 0 8px; font-size: 22px; }
.download-band p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.85; }
.download-links { display: flex; flex-wrap: wrap; gap: 10px; }
.download-links a { display: inline-flex; flex-direction: column; min-width: 150px; padding: 12px 16px; border: 1px solid #cddbec; border-radius: 12px; background: #fff; font-size: 14px; font-weight: 650; }
.download-links a small { color: var(--muted); font-size: 11px; font-weight: 450; }
.download-links a:hover { border-color: var(--blue); color: var(--blue); }
.trust-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 16px; }
.trust-grid article { padding: 22px; border-top: 3px solid var(--blue); border-radius: 4px 4px 14px 14px; background: #fff; box-shadow: var(--ui-shadow-small); }
.trust-grid h3 { margin: 0 0 6px; font-size: 15px; }
.trust-grid p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.8; }
.home-faq { display: grid; gap: 10px; max-width: 820px; margin: 0 auto; }
.home-faq details { padding: 16px 20px; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
.home-faq summary { cursor: pointer; font-size: 14px; font-weight: 650; }
.home-faq p { margin: 10px 0 0; color: var(--muted); font-size: 13px; line-height: 1.85; }
.home-faq a { color: var(--blue); }
.closing-section { margin-top: 80px; }

/* Shared footer: brand and contact, site links, then company and filing number. */
.site-footer { position: relative; border-top: 1px solid var(--line); background: linear-gradient(#f9fbfe, #f3f7fc); color: var(--muted); font-size: 13px; }
.site-footer::before { content: ""; position: absolute; top: -1px; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, #2465e840 25%, #29d8b040 75%, transparent); }
.footer-main { width: min(var(--page-width),100%); margin: 0 auto; padding: 56px 28px 44px; display: grid; grid-template-columns: minmax(0,1.25fr) minmax(0,2fr); gap: 48px; }
.footer-logo { display: inline-flex; align-items: center; gap: 9px; }
.footer-logo .brand-mark { width: 30px; height: 30px; }
.footer-logo strong { color: #142b48; font-size: 21px; font-weight: 800; line-height: 1.2; letter-spacing: -.7px; }
.footer-logo small { color: #66748b; font-size: 12px; font-weight: 500; }
.footer-brand p { max-width: 340px; margin: 14px 0 20px; font-size: 13px; line-height: 1.85; }
.footer-contact { display: inline-flex; align-items: center; gap: 8px; padding: 8px 15px 8px 12px; border: 1px solid #d9e4f2; border-radius: 999px; color: var(--ink); background: #fff; font-size: 13px; font-weight: 600; transition: border-color .2s, color .2s, box-shadow .2s; }
.footer-contact svg { width: 16px; height: 16px; flex: 0 0 auto; fill: none; stroke: var(--blue); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.footer-contact span { color: var(--muted); font-weight: 500; }
.footer-contact:hover { border-color: #b7ccee; color: var(--blue); box-shadow: var(--ui-shadow-small); }
.footer-links { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 32px; }
.footer-links div { display: grid; align-content: start; justify-items: start; gap: 11px; }
.footer-links h2 { margin: 0 0 5px; color: var(--ink); font-size: 13px; font-weight: 700; letter-spacing: .5px; }
.footer-links a { color: var(--muted); font-size: 13.5px; transition: color .2s; }
.footer-links a:hover, .footer-legal a:hover { color: var(--blue); }
.footer-legal { width: min(calc(var(--page-width) - 56px), calc(100% - 56px)); margin: 0 auto; padding: 18px 0 26px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 6px 24px; border-top: 1px solid #e3eaf3; color: #7c8aa0; font-size: 12px; }

@media (min-width: 761px) and (max-width: 1050px) {
  .hero-section { padding-top: 64px; }
  .hero-grid { gap: 30px; grid-template-columns: 1.1fr 1fr; }
  .hero-copy h1 { font-size: 42px; }
  .feature-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .trust-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
}
@media (max-width: 760px) {
  .site-header { height: 66px; grid-template-columns: 1fr auto; padding: 0 20px; }
  .brand { gap: 7px; }
  .brand-mark { width: 30px; height: 30px; }
  .brand-name { font-size: 22px; }
  .brand-cn { font-size: 12px; }
  .desktop-nav, .header-actions { display: none; }
  .menu-button { display: flex; flex-direction: column; justify-content: center; gap: 5px; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
  .menu-button span { width: 20px; height: 2px; margin: 0 auto; background: var(--ink); transition: .2s; }
  .menu-button[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-button[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-button[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .mobile-nav { display: grid; position: fixed; z-index: 19; top: 66px; left: 0; right: 0; gap: 4px; padding: 12px 20px 20px; background: #fff; border-bottom: 1px solid var(--line); box-shadow: var(--ui-shadow); visibility: hidden; opacity: 0; transform: translateY(-12px); transition: opacity .2s, transform .2s, visibility .2s; }
  .mobile-nav.open { visibility: visible; opacity: 1; transform: translateY(0); }
  .mobile-nav a { padding: 11px 14px; border-radius: 9px; font-size: 14px; }
  .mobile-nav a:hover { background: var(--ui-blue-soft); }
  .mobile-nav .mobile-register { color: #fff; background: var(--blue); text-align: center; }
  .hero-section { padding: 46px 20px 40px; }
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-copy { padding: 0; }
  .hero-kicker { margin-bottom: 12px; font-size: 25px; }
  .hero-copy h1 { font-size: clamp(32px,8.5vw,46px); letter-spacing: -1px; }
  .hero-subtitle { margin: 22px 0 26px; font-size: 13px; }
  .hero-subtitle strong { font-size: 18px; }
  .hero-actions .button { flex: 1; min-width: 0; padding: 0 12px; font-size: 14px; }
  .use-cases { margin-top: 52px; padding: 44px 0 34px; }
  .use-case-head { grid-template-columns: 1fr; margin-bottom: 20px; padding: 0 20px; }
  .use-case-head p { margin-top: 8px; font-size: 13px; }
  .marquee { --marquee-gap: 14px; --marquee-edge: 20px; --marquee-duration: 76s; padding-bottom: 16px; }
  .job-card { flex-basis: 286px; padding: 22px 20px 18px; border-radius: 22px; }
  .job-card h3 { margin: 16px 0 10px; font-size: 18px; }
  .job-card p { margin-bottom: 18px; font-size: 13px; }
  .job-card small { font-size: 11px; }
  .closing-section { padding: 48px 24px 52px; }
  .home-section { padding: 52px 20px 0; }
  .feature-grid, .step-list, .trust-grid { grid-template-columns: 1fr; }
  .download-band { grid-template-columns: 1fr; padding: 24px 20px; }
  .download-links a { flex: 1 1 140px; min-width: 0; }
  .closing-section { margin-top: 52px; }
  .footer-main { grid-template-columns: 1fr; gap: 32px; padding: 40px 20px 30px; }
  .footer-links { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 28px 20px; }
  .footer-legal { width: calc(100% - 40px); padding: 16px 0 24px; flex-direction: column; align-items: flex-start; }
}
@media (prefers-reduced-motion: no-preference) {
  .hero-copy, .product-panel { animation: site-enter .55s var(--ui-ease) both; }
  @keyframes site-enter { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
}