:root {
  color-scheme: light dark;
  --ink: #15333b;
  --deep: #0b3b4a;
  --teal: #0c6a72;
  --paper: #fffefd;
  --mist: #f2f7f6;
  --line: #cadcd9;
  --gold: #b88943;
  --muted: #557078;
  --hero-wash: #fffefd;
  --scope-bg: #f6f1e8;
  --band-bg: #e7f0ee;
  --contact-bg: #0b3b4a;
  --footer-bg: #072c37;
  --contact-text: #ffffff;
  --footer-text: #b7cecf;
  --role: #37545c;
  --active-text: #ffffff;
  --contact-kicker: #a3d5d2;
  --contact-link: #70bbb8;
  --image-filter: none;
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --ink: #e7eee9;
  --deep: #d5e8e1;
  --teal: #79c4bd;
  --paper: #162522;
  --mist: #1d302c;
  --line: #38514b;
  --gold: #c9a05a;
  --muted: #b3c5bf;
  --hero-wash: #162522;
  --scope-bg: #26332b;
  --band-bg: #1d302c;
  --contact-bg: #10201d;
  --footer-bg: #0c1715;
  --contact-text: #f1f5ef;
  --footer-text: #a9c0ba;
  --role: #bfd0ca;
  --active-text: #10201d;
  --contact-kicker: #8fd0c7;
  --contact-link: #8fd0c7;
  --image-filter: brightness(0.88) saturate(0.9);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --ink: #e7eee9;
    --deep: #d5e8e1;
    --teal: #79c4bd;
    --paper: #162522;
    --mist: #1d302c;
    --line: #38514b;
    --gold: #c9a05a;
    --muted: #b3c5bf;
    --hero-wash: #162522;
    --scope-bg: #26332b;
    --band-bg: #1d302c;
    --contact-bg: #10201d;
    --footer-bg: #0c1715;
    --contact-text: #f1f5ef;
    --footer-text: #a9c0ba;
    --role: #bfd0ca;
    --active-text: #10201d;
    --contact-kicker: #8fd0c7;
    --contact-link: #8fd0c7;
    --image-filter: brightness(0.88) saturate(0.9);
  }
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family:
    "Noto Serif TC", "Songti TC", "PingFang TC", "Microsoft JhengHei", Georgia,
    serif;
  line-height: 1.7;
}
.wrap {
  width: min(1120px, calc(100% - 48px));
  margin: auto;
}
a {
  color: inherit;
}
.head {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}
.theme-toggle {
  width: 34px;
  height: 34px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  font:
    17px/1 system-ui,
    sans-serif;
}
.theme-toggle:hover,
.theme-toggle:focus-visible {
  border-color: var(--gold);
  color: var(--gold);
}
.theme-toggle:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}
.head .wrap {
  min-height: 72px;
  display: flex;
  gap: 24px;
  align-items: center;
}
.brand {
  text-decoration: none;
  color: var(--deep);
  font-weight: 700;
  letter-spacing: 0.1em;
}
.nav {
  display: flex;
  gap: 18px;
  margin-left: auto;
  font:
    13px system-ui,
    sans-serif;
  color: var(--muted);
}
.nav a {
  text-decoration: none;
}
.langs {
  display: flex;
  gap: 8px;
  font:
    700 12px system-ui,
    sans-serif;
}
.langs a {
  padding: 4px 6px;
  text-decoration: none;
  border: 1px solid transparent;
}
.langs a[aria-current="page"] {
  color: var(--active-text);
  background: var(--deep);
  border-color: var(--deep);
}
.hero {
  border-bottom: 1px solid var(--line);
}
.hero .wrap {
  min-height: 650px;
  display: grid;
  grid-template-columns: 1fr 0.72fr;
  gap: 86px;
  align-items: center;
  padding: 56px 0;
}
.kicker {
  margin: 0 0 12px;
  color: var(--teal);
  font:
    700 11px system-ui,
    sans-serif;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
h1 {
  margin: 0;
  color: var(--deep);
  font-size: clamp(48px, 6vw, 82px);
  letter-spacing: 0.06em;
  line-height: 1.05;
}
.english {
  display: block;
  margin: 10px 0 23px;
  color: var(--teal);
  font:
    500 18px system-ui,
    sans-serif;
  letter-spacing: 0.05em;
}
.role {
  margin: 0;
  color: var(--role);
  font-size: 19px;
}
.scope {
  margin: 25px 0 0;
  padding: 16px 18px;
  border-left: 3px solid var(--gold);
  background: var(--scope-bg);
  font-size: 17px;
}
.portrait {
  position: relative;
  width: min(100%, 350px);
  margin-left: auto;
}
.portrait:after {
  position: absolute;
  inset: 17px -17px -17px 17px;
  border: 1px solid var(--gold);
  content: "";
}
.portrait img {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3/4;
  object-fit: cover;
  filter: var(--image-filter);
}
section {
  padding: 78px 0;
  border-bottom: 1px solid var(--line);
}
.hero {
  padding: 0;
}
.band {
  background: var(--band-bg);
}
.two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 68px;
  align-items: end;
}
h2 {
  margin: 0 0 18px;
  color: var(--deep);
  font-size: clamp(30px, 3vw, 46px);
  line-height: 1.25;
}
.lead {
  margin: 0;
  max-width: 740px;
  font-size: 18px;
}
.or {
  width: 100%;
  max-height: 390px;
  object-fit: cover;
  object-position: center 45%;
  filter: var(--image-filter);
}

@media (prefers-reduced-motion: no-preference) {
  body,
  .head,
  .card,
  .contact,
  .foot,
  .portrait img,
  .or {
    transition:
      color 180ms ease,
      background-color 180ms ease,
      border-color 180ms ease,
      filter 180ms ease;
  }
}
.grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
  margin-top: 30px;
}
.card {
  padding: 27px 29px;
  background: var(--paper);
}
.card h3 {
  margin: 0 0 9px;
  color: var(--deep);
  font-size: 21px;
}
.card p,
.card ul {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}
.card ul {
  padding-left: 18px;
}
.approach {
  display: grid;
  grid-template-columns: 0.65fr 1.35fr;
  gap: 48px;
}
.list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.list li {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.contact {
  color: var(--contact-text);
  background: var(--contact-bg);
}
.contact h2 {
  color: var(--contact-text);
}
.contact .kicker {
  color: var(--contact-kicker);
}
.contact a {
  color: var(--contact-text);
  text-decoration-color: var(--contact-link);
  text-underline-offset: 3px;
}
.foot {
  padding: 22px 0;
  background: var(--footer-bg);
  color: var(--footer-text);
  font:
    12px system-ui,
    sans-serif;
}
@media (max-width: 760px) {
  .wrap {
    width: min(100% - 32px, 560px);
  }
  .head .wrap {
    min-height: 62px;
    gap: 10px;
  }
  .nav {
    display: none;
  }
  .langs {
    margin-left: auto;
  }
  .hero .wrap {
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: stretch;
    min-height: 0;
    padding: 30px 0;
  }
  .portrait {
    order: -1;
    width: 145px;
    margin: auto;
  }
  .portrait:after {
    inset: 9px -9px -9px 9px;
  }
  h1 {
    font-size: 48px;
  }
  .scope {
    font-size: 16px;
    margin-top: 20px;
  }
  section {
    padding: 56px 0;
  }
  .two,
  .approach {
    grid-template-columns: 1fr;
    gap: 26px;
  }
  .grid {
    grid-template-columns: 1fr;
  }
  .hero + section {
    padding-top: 30px;
  }
  .or {
    max-height: 300px;
  }
  h2 {
    font-size: 31px;
  }
}