@import url('https://fonts.googleapis.com/css2?family=Google+Sans+Flex:ROND,wght@60,500..700&family=Noto+Sans+TC:wght@500..700&display=swap');

:root { color-scheme: dark; --background: #0c0f11; --text: #f1f3f3; --muted: #acb5ba; --rule: #303639; --accent: #83ccec; font: 500 16px/1.6 'Google Sans Flex', 'Noto Sans TC', 'PingFang TC', 'Microsoft JhengHei', sans-serif; font-optical-sizing: auto; }
* { box-sizing: border-box; letter-spacing: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; scrollbar-color: #69737a var(--background); }
body { margin: 0; background: var(--background); color: var(--text); }
::selection { background: var(--accent); color: var(--background); }
a { color: inherit; text-decoration: none; text-underline-offset: 5px; }
button { color: inherit; font: inherit; cursor: pointer; }
a, button { -webkit-tap-highlight-color: transparent; transition: color 160ms ease-out, background-color 160ms ease-out, box-shadow 200ms ease-out; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
img { display: block; flex: none; }
h1, h2, h3, p { margin: 0; }
#accountSky { position: fixed; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.hero, .site-footer { position: relative; }
.shell { width: min(100%, 1160px); margin-inline: auto; padding-inline: 40px; }
.skip-link { position: fixed; top: 12px; left: 12px; z-index: 100; padding: 12px 20px; color: var(--background); background: var(--text); transform: translateY(-160%); }
.skip-link:focus { transform: none; }
.hero-header { min-height: 100px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.hero-header::after { position: absolute; top: 99px; width: min(calc(100% - 80px), 1080px); height: 1px; content: ''; background: var(--rule); }
.wordmark { font-size: 28px; font-weight: 650; line-height: 1; }
.hero-nav, .header-right { display: flex; align-items: center; gap: 28px; }
.header-right { min-width: 0; gap: 16px; }
.wordmark, .hero-nav, .mobile-menu-btn { flex-shrink: 0; }
.header-right #accountButton { min-width: 0; max-width: 220px; }
#accountButton[hidden], #loginLink[hidden] { display: none; }
.hero-nav { color: var(--muted); font-size: 14px; }
.hero-nav a, .account-link { display: inline-flex; align-items: center; min-height: 44px; }
.hero-nav a:hover, .site-footer a:hover { color: var(--text); text-decoration: underline; }
.account-link { gap: 14px; color: var(--text); font-size: 14px; }
.account-link img, .text-link img, .service-row img, .mobile-menu-btn img, .mobile-menu-close img { filter: brightness(0) invert(0.85); }
.account-link img, .primary-link img, .service-row img, .text-link img { transition: transform 200ms ease-out; }
.home-intro { min-height: min(620px, calc(100svh - 220px)); display: flex; align-items: center; padding-block: 64px 88px; }
.hero-content { width: min(100%, 500px); margin-left: max(0px, calc((100% - 500px) * 0.65)); }
h1 { width: fit-content; max-width: 100%; font-size: 96px; font-weight: 650; line-height: 1.05; }
@supports (background-clip: text) or (-webkit-background-clip: text) {
  h1 { color: transparent; background: linear-gradient(110deg, #dce6e9 42%, #ffffff 49%, #dce6e9 56%); background-size: 260% 100%; background-position: 100% 0; background-clip: text; -webkit-background-clip: text; animation: letter-flow 18s ease-in-out infinite; animation-play-state: paused; }
  .auth-workspace[data-motion-visible='true'] h1 { animation-play-state: running; }
  [data-sky-visibility='hidden'] h1 { animation-play-state: paused; }
}
@keyframes letter-flow { 0%, 15% { background-position: 100% 0; } 45%, 100% { background-position: 0 0; } }
@media (forced-colors: active) { h1 { color: CanvasText; background: none; animation: none; } }
.orbit-line { margin-top: 16px; font-size: 24px; line-height: 1.5; }
.intro-copy { margin-top: 28px; max-width: 32em; color: var(--muted); line-height: 1.8; }
.primary-link { display: inline-flex; align-items: center; justify-content: space-between; gap: 40px; min-height: 48px; margin-top: 32px; padding: 10px 20px; color: #182024; background: #e1edf2; border-radius: 4px; font-size: 15px; }
.primary-link:hover, .primary-link:focus-visible { background: #f1f7f8; box-shadow: 0 0 24px rgb(164 201 217 / 12%); }
.primary-link:focus-visible img, .primary-link:active img, .account-link:focus-visible img, .account-link:active img, .text-link:focus-visible img, .text-link:active img, .service-row:focus-visible img, .service-row:active img { transform: translateX(4px); }
.services-band, .about-band, .details-band, .site-footer { background: var(--background); }
.services-band { border-top: 1px solid var(--rule); padding-block: 48px 56px; }
.section-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin-bottom: 40px; }
h2 { font-size: 28px; line-height: 1.45; font-weight: 600; text-wrap: balance; }
.section-heading p, .environment-note { color: var(--muted); font-size: 14px; }
.service-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; }
.service-group { min-width: 0; }
.service-group h3 { margin-bottom: 16px; color: var(--accent); font-size: 14px; font-weight: 500; }
.service-row { display: grid; grid-template-columns: minmax(140px, 0.9fr) minmax(0, 1fr) 18px; align-items: center; gap: 16px; min-height: 108px; padding-block: 24px; border-top: 1px solid var(--rule); }
.service-row:last-child { border-bottom: 1px solid var(--rule); }
.service-name { font-size: 20px; line-height: 1.4; font-weight: 600; }
.service-domain { display: block; margin-top: 6px; color: var(--muted); font-size: 12px; overflow-wrap: anywhere; }
.service-description { color: var(--muted); font-size: 14px; line-height: 1.7; }
.service-row:hover .service-name, .text-link:hover { color: var(--accent); }
.environment-note { margin-top: 32px; }
.about-band { padding-block: 80px; border-top: 1px solid var(--rule); }
.about-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; }
.about-copy { min-width: 0; }
.about-copy p { max-width: 40em; color: var(--muted); line-height: 1.9; }
.about-copy p + p { margin-top: 20px; }
.text-link { display: inline-flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 44px; font-size: 14px; }
.about-copy .text-link { margin-top: 24px; }
.details-band { padding-block: 40px 64px; border-top: 1px solid var(--rule); }
.details-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; }
.details-layout h2 { font-size: 20px; }
.detail-links { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 32px; }
.site-footer { border-top: 1px solid var(--rule); color: var(--muted); font-size: 12px; }
.footer-content { display: flex; align-items: center; gap: 32px; min-height: 88px; }
.footer-content span { margin-right: auto; }
.site-footer a { display: inline-flex; align-items: center; min-height: 44px; }
.mobile-menu-btn, .mobile-menu-close { display: none; width: 44px; height: 44px; padding: 11px; border: 0; background: transparent; }
.mobile-nav-overlay { display: none; }
@media (hover: hover) and (pointer: fine) {
  .primary-link:hover img, .account-link:hover img, .service-row:hover img, .text-link:hover img { transform: translateX(4px); }
}
@media (max-width: 1000px) {
  .service-columns, .about-layout, .details-layout { gap: 40px; }
  .service-row { grid-template-columns: 1fr 18px; gap: 8px 16px; }
  .service-description { grid-column: 1; }
  .service-row > img { grid-column: 2; grid-row: 1 / 3; }
}
@media (max-width: 840px) {
  .hero-nav { display: none; }
  .header-right { flex: 1; justify-content: flex-end; gap: 8px; }
  .header-right #accountButton { flex: 0 1 auto; max-width: min(140px, calc(100% - 52px)); }
  .mobile-menu-btn, .mobile-menu-close { display: block; }
  .mobile-nav-overlay.active { display: flex; }
  .mobile-nav-overlay { position: fixed; inset: 0; z-index: 50; flex-direction: column; background: var(--background); padding: 100px 40px 40px; overflow-y: auto; overscroll-behavior: contain; }
  .mobile-menu-close { position: absolute; top: 22px; right: 24px; }
  .mobile-nav { display: flex; flex-direction: column; gap: 16px; width: min(100%, 420px); margin: auto; }
  .mobile-nav a { min-height: 64px; display: flex; align-items: center; font-size: 24px; border-bottom: 1px solid var(--rule); }
  .hero-content { width: min(100%, 460px); margin-left: auto; margin-right: auto; }
}
@media (max-width: 600px) {
  .shell { padding-inline: 24px; }
  .hero-header { min-height: 88px; gap: 16px; }
  .hero-header::after { top: 87px; width: calc(100% - 48px); }
  .wordmark { font-size: 26px; }
  .home-intro { padding-block: 56px 64px; min-height: min(620px, calc(100svh - 224px)); }
  .hero-content { margin-left: 0; }
  h1 { font-size: 64px; }
  .orbit-line { font-size: 20px; margin-top: 16px; }
  .intro-copy { margin-top: 24px; font-size: 15px; }
  .primary-link { margin-top: 28px; }
  .services-band { padding-block: 32px 40px; }
  .section-heading { display: block; margin-bottom: 32px; }
  .section-heading p { margin-top: 8px; }
  h2 { font-size: 24px; }
  .service-columns, .about-layout, .details-layout { grid-template-columns: 1fr; gap: 40px; }
  .service-row { grid-template-columns: minmax(130px, 0.9fr) minmax(0, 1fr) 18px; gap: 12px; }
  .service-description { grid-column: auto; }
  .service-row > img { grid-column: auto; grid-row: auto; }
  .service-name { font-size: 18px; }
  .service-domain { font-size: 11px; }
  .service-description { font-size: 13px; }
  .about-band { padding-block: 48px; }
  .about-layout { gap: 24px; }
  .details-band { padding-block: 32px 40px; }
  .details-layout { gap: 16px; }
  .detail-links { grid-template-columns: 1fr; gap: 4px; }
  .footer-content { gap: 16px; flex-wrap: wrap; padding-block: 16px; }
}
@media (max-width: 360px) {
  .shell { padding-inline: 20px; }
  .hero-header::after { width: calc(100% - 40px); }
  .service-row { grid-template-columns: 1fr 18px; }
  .service-description { grid-column: 1; }
  .service-row > img { grid-column: 2; grid-row: 1 / 3; }
}
.mobile-nav-overlay.active { animation: menu-material 220ms cubic-bezier(0.16, 1, 0.3, 1); }
@keyframes menu-material { from { opacity: 0.9; } to { opacity: 1; } }