:root {
  --bg: #fbfbfd;
  --ink: #1d1d1f;
  --muted: #6e6e73;
  --tag: #86868b;
  --line: rgba(0, 0, 0, 0.08);
  --accent: #0066cc;
  --surface: #ffffff;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 2.75rem; background: #fbfbfd; }
body {
  margin: 0;
  background: #fbfbfd;
  color: #1d1d1f;
  font-family: "Noto Sans TC", "Noto Sans", "PingFang TC", "Microsoft JhengHei", "Source Han Sans TC", sans-serif;
  font-weight: 400;
  line-height: 1.47;
  text-rendering: optimizeLegibility;
}
a { color: inherit; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.skip {
  position: absolute;
  left: 0.75rem;
  top: 0.75rem;
  z-index: 100;
  padding: 0.5rem 1rem;
  background: #fbfbfd;
  color: #1d1d1f;
  text-decoration: none;
  transform: translateY(-150%);
}
.skip:focus { transform: translateY(0); }
.wrap { width: min(980px, calc(100% - 3rem)); margin-inline: auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  height: 44px;
  background: rgba(251, 251, 253, 0.8);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}
.bar {
  display: flex;
  align-items: center;
  gap: 1.25rem 1.75rem;
  height: 44px;
  min-height: 44px;
  flex-wrap: nowrap;
  padding: 0;
}
.brand {
  font-weight: 600;
  letter-spacing: -0.02em;
  font-size: 14px;
  text-decoration: none;
  color: #1d1d1f;
}
.bar nav { display: flex; flex-wrap: wrap; gap: 0.35rem 1.15rem; }
.bar nav a {
  color: rgba(0, 0, 0, 0.8);
  text-decoration: none;
  font-size: 12px;
  font-weight: 400;
  letter-spacing: -0.01em;
}
.bar nav a:hover { color: #0066cc; }
.bar-end { margin-left: auto; display: flex; align-items: center; gap: 1rem; }
.langs { display: flex; gap: 0.45rem; font-size: 12px; letter-spacing: -0.01em; }
.langs a { color: #6e6e73; text-decoration: none; }
.langs a[aria-current="true"] { color: #1d1d1f; }
.contact-pill {
  background: transparent;
  color: rgba(0, 0, 0, 0.8);
  text-decoration: none;
  border-radius: 0;
  padding: 0;
  font-size: 12px;
  line-height: 1.2;
  font-weight: 400;
}
.contact-pill:hover { background: transparent; color: #0066cc; }
.screen {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: 7rem 0 5rem;
  background: #fbfbfd;
}
.copy { max-width: 40rem; }
.kicker, .status {
  display: block;
  margin: 0 0 0.85rem;
  padding: 0;
  border: 0;
  background: transparent;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: -0.01em;
  text-transform: none;
  color: #6e6e73;
}
h1, .screen h2 {
  margin: 0;
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.05;
  font-size: clamp(2.75rem, 7vw, 5.25rem);
  max-width: 12em;
  color: #1d1d1f;
}
.lines {
  margin-top: 1.75rem;
  display: grid;
  gap: 0.65rem;
}
.lines p {
  margin: 0;
  max-width: 28rem;
  color: #6e6e73;
  font-size: 19px;
  line-height: 1.4;
  letter-spacing: -0.016em;
  font-weight: 400;
}
.lines a { color: #0066cc; text-decoration: none; }
.lines a:hover { text-decoration: underline; }
.site-footer {
  background: #f5f5f7;
  color: #6e6e73;
  padding: 3.5rem 0 2.5rem;
  font-size: 12px;
}
.foot {
  display: grid;
  gap: 1.75rem 2.5rem;
  grid-template-columns: 1.1fr 1fr 1fr;
}
.foot-brand {
  margin: 0 0 0.4rem;
  color: #1d1d1f;
  font-size: 12px;
  letter-spacing: -0.01em;
  font-weight: 600;
}
.foot nav, .foot-links { display: grid; gap: 0.45rem; align-content: start; }
.foot a {
  color: #424245;
  text-decoration: none;
  font-size: 12px;
  font-weight: 400;
}
.foot a:hover { color: #0066cc; text-decoration: underline; }
.site-footer a.mail {
  display: inline;
  background: transparent;
  color: #424245;
  border: 0;
  padding: 0;
  font-size: 12px;
}
.site-footer a.mail:hover { background: transparent; color: #0066cc; }
.fine { margin: 0; padding: 0; border: 0; font-size: 12px; color: #6e6e73; }
.foot-langs { display: flex; gap: 0.75rem; margin: 0.45rem 0 0; }
@media (max-width: 700px) {
  .bar { flex-wrap: wrap; height: auto; min-height: 44px; padding: 0.4rem 0; }
  .site-header { height: auto; }
  .foot { grid-template-columns: 1fr; }
  h1, .screen h2 { font-size: clamp(2.4rem, 11vw, 3.4rem); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

.bar nav a[aria-current="page"] { color: #1d1d1f; }
.lines p { max-width: 36rem; }