:root {
  --ink: #151719;
  --soft-ink: #1b2224;
  --ice: #70dce7;
  --surface: #f3f7f8;
  --ghost: #e7eef1;
  --border: #e8edf0;
  --grey: #8e9da4;
  color-scheme: light;
  font-family: Inter, "Helvetica Neue", Arial, "Noto Sans SC", "Microsoft YaHei", "PingFang SC", sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
* { box-sizing: border-box; }
html, body { margin: 0; min-width: 320px; height: 100%; }
body { color: var(--ink); background: white; }
button { font: inherit; }
.site-shell { display: flex; flex-direction: column; min-height: 100vh; min-height: 100svh; }
.site-header {
  height: 78px; min-height: 78px; background: #fff;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 clamp(24px, 3.6vw, 50px); border-bottom: 1px solid var(--border);
  position: relative; z-index: 10;
}
.brand-link { display: flex; align-items: center; text-decoration: none; }
.brand-link img { display: block; width: 105px; height: auto; }
.language-control { display: flex; align-items: center; gap: 15px; }
.language-button {
  border: 0; background: transparent; color: #949b9e;
  font-size: 12px; font-weight: 500; cursor: pointer; padding: 8px 2px;
  transition: color 160ms ease;
}
.language-button.is-active { color: #111417; font-weight: 700; }
.language-button:hover { color: var(--ink); }
.language-button:focus-visible, .brand-link:focus-visible { outline: 2px solid var(--ice); outline-offset: 5px; border-radius: 3px; }
.lang-separator { font-size: 11px; color: #c4cccf; }
.landing {
  background: var(--surface); flex: 1 1 auto; position: relative;
  overflow: hidden; min-height: 645px;
  display: flex; justify-content: center; align-items: flex-start;
}
.center-content {
  z-index: 2; position: relative; display: flex; flex-direction: column;
  align-items: center; width: 100%; padding: 60px 20px 0;
}
.eyes { display: flex; gap: 5px; height: 39px; align-items: center; justify-content: center; user-select: none; }
.eye {
  --pupil-x: 0px; --pupil-y: 0px;
  position: relative; display: block;
  width: 20px; height: 31px; border-radius: 55% 48% 51% 52%;
  background: #131e23; transform: rotate(-12deg);
  box-shadow: 0 1px 1px rgba(5, 20, 24, 0.12);
  overflow: hidden;
  transition: transform 220ms ease;
}
.eye-right { transform: rotate(-13deg) translateY(-2px); }
.eye .glint {
  display: block; position: absolute; width: 7px; height: 9px;
  left: calc(50% - 3.5px); top: calc(35% - 4px);
  background: #b6fbfd; border-radius: 50%;
  transform: translate(var(--pupil-x), var(--pupil-y));
  box-shadow: 0 0 7px rgba(112, 220, 231, 0.35);
  will-change: transform;
}
.eyebrow {
  margin: 19px 0 0; font-size: 8px; font-weight: 700;
  line-height: 1.5; color: #93aab6; letter-spacing: 0.25em;
}
.headline {
  margin: 27px 0 0; text-align: center; font-size: clamp(38px, 4.3vw, 54px);
  line-height: 1.48; font-weight: 850; letter-spacing: -.068em;
  color: #151719;
}
.headline span { display: block; }
.headline.is-english { font-size: clamp(33px, 4vw, 52px); letter-spacing: -.045em; }
.countdown {
  margin-top: 30px; padding: 12px 35px 10px; min-width: 332px;
  height: 74px; background: #1b2325; border-radius: 200px;
  color: #f3f8f9; display: flex; justify-content: space-between; align-items: center;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.025);
  font-variant-numeric: tabular-nums;
}
.time-cell { width: 42px; display: flex; flex-direction: column; align-items: center; gap: 6px; }
.time-value { font: 400 23px/1.1 ui-monospace, "SFMono-Regular", Consolas, "Liberation Mono", monospace; letter-spacing: 1px; }
.time-value.unknown { position: relative; font-size: 20px; letter-spacing: 0; }
.time-value.unknown::before, .time-value.unknown::after {
  content: attr(data-glitch); position: absolute; inset: 0; pointer-events: none;
  opacity: 0; overflow: hidden;
}
.time-value.unknown::before { color: #70dce7; animation: glitch-top 2.8s infinite steps(1); }
.time-value.unknown::after { color: #f3a3a8; animation: glitch-bottom 3.7s infinite steps(1); }
@keyframes glitch-top {
  0%, 87%, 93%, 100% { opacity: 0; transform: none; }
  88%, 91% { opacity: .8; transform: translate(-2px, -1px); clip-path: inset(0 0 55%); }
}
@keyframes glitch-bottom {
  0%, 81%, 88%, 100% { opacity: 0; transform: none; }
  82%, 85% { opacity: .7; transform: translate(2px, 1px); clip-path: inset(55% 0 0); }
}
.time-value.seconds { color: #adf5f4; }
.time-label { font-size: 9px; color: #93a3a7; letter-spacing: 0.03em; white-space: nowrap; }
.time-separator { color: #74868a; font-size: 15px; transform: translateY(-9px); }
.background-wordmark {
  position: absolute; bottom: -0.11em; left: 50%; z-index: 0;
  transform: translateX(-50%); white-space: nowrap;
  font-size: clamp(196px, 27.2vw, 430px); font-weight: 900; line-height: 0.85;
  letter-spacing: -0.09em; color: var(--ghost); pointer-events: none; user-select: none;
}
.background-ai {
  position: absolute; top: -0.04em; right: -1.05em;
  font-size: 0.095em; letter-spacing: -.02em; opacity: 0.85;
}
.site-footer {
  height: 72px; min-height: 72px; background: #fff; display: grid;
  align-items: center; grid-template-columns: 1fr 2fr 1fr;
  padding: 0 clamp(24px, 4.1vw, 57px); position: relative; z-index: 3;
}
.footer-logo { width: 82px; height: auto; }
.footer-tagline { text-align: center; font-size: 8px; letter-spacing: 0.22em; color: #a5b9c2; }
.footer-contact { display: flex; flex-direction: column; align-items: flex-end; gap: 4px; color: #8e9da4; font-size: 10px; }
.footer-contact a { color: #526b74; text-decoration: none; }
.footer-contact a:hover { text-decoration: underline; }
.footer-contact a:focus-visible { outline: 2px solid var(--ice); outline-offset: 3px; }
@media (min-height: 980px) {
  .landing { min-height: calc(100svh - 150px); }
  .center-content { padding-top: clamp(60px, 7vh, 105px); }
}
@media (max-width: 640px) {
  .site-header { height: 66px; min-height: 66px; padding-inline: 22px; }
  .brand-link img { width: 98px; }
  .language-control { gap: 11px; }
  .landing { min-height: 550px; }
  .center-content { padding: clamp(60px, 11vh, 95px) 14px 0; }
  .eyebrow { margin-top: 18px; font-size: 7px; letter-spacing: .17em; }
  .headline { margin-top: 32px; font-size: clamp(34px, 9.1vw, 46px); letter-spacing: -.055em; line-height: 1.48; }
  .headline.is-english { font-size: clamp(30px, 7vw, 42px); }
  .countdown { margin-top: 35px; padding-inline: 24px; min-width: 306px; height: 72px; }
  .time-value { font-size: 21px; }
  .background-wordmark { font-size: 34vw; bottom: -.1em; }
  .background-ai { right: -.95em; }
  .site-footer { height: auto; min-height: 94px; padding: 14px 23px; grid-template-columns: 1fr 1fr; row-gap: 12px; }
  .footer-logo { width: 75px; }
  .footer-tagline { text-align: right; font-size: 6px; letter-spacing: .09em; }
  .footer-contact { grid-column: 1 / -1; align-items: center; font-size: 10px; }
}
@media (max-width: 355px) {
  .headline { font-size: 32px; }
  .countdown { min-width: 290px; padding-inline: 19px; }
  .eyebrow { font-size: 6px; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; } }
