:root {
  --green: #12362e;
  --green-deep: #0a2923;
  --green-soft: #1a443a;
  --ivory: #f1ebdd;
  --paper: #f7f3ea;
  --gold: #c4a35a;
  --red: #a13b31;
  --ink: #17201d;
  --muted: #6d766f;
  --line: rgba(18, 54, 46, .18);
  --serif: "Noto Serif TC", "Songti TC", "PMingLiU", Georgia, serif;
  --sans: Inter, "Noto Sans TC", "Microsoft JhengHei", "PingFang TC", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--paper); }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--gold); color: var(--green-deep); }

.site-header {
  align-items: center;
  background: rgba(247, 243, 234, .9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  height: 90px;
  left: 0;
  padding: 0 clamp(24px, 5vw, 76px);
  position: fixed;
  right: 0;
  top: 0;
  z-index: 20;
}

.brand { align-items: center; display: flex; gap: 13px; width: fit-content; }
.brand-seal {
  align-items: center;
  background: var(--red);
  color: var(--ivory);
  display: inline-flex;
  font-family: var(--serif);
  font-size: 21px;
  height: 39px;
  justify-content: center;
  position: relative;
  width: 39px;
}
.brand-seal::after { border: 1px solid rgba(255,255,255,.55); content: ""; inset: 4px; position: absolute; }
.brand-name { display: flex; flex-direction: column; gap: 3px; }
.brand-name strong { font-family: var(--serif); font-size: 16px; font-weight: 650; letter-spacing: .08em; }
.brand-name small { color: var(--muted); font-size: 7px; letter-spacing: .19em; }
nav { display: flex; gap: 34px; }
nav a, .header-link { font-size: 12px; letter-spacing: .04em; transition: color 180ms ease; }
nav a:hover, .header-link:hover { color: var(--red); }
.header-link { justify-self: end; }

.hero {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  min-height: 850px;
  overflow: hidden;
  padding: 170px clamp(24px, 7vw, 108px) 80px;
  position: relative;
}
.hero::before { background: linear-gradient(90deg, transparent, rgba(196,163,90,.13), transparent); content: ""; height: 1px; left: 0; position: absolute; right: 0; top: 52%; }
.hero-copy { align-self: center; position: relative; z-index: 2; }
.eyebrow { align-items: center; color: #738079; display: flex; font-size: 9px; gap: 12px; letter-spacing: .18em; margin: 0 0 54px; }
.eyebrow span { background: var(--red); height: 7px; transform: rotate(45deg); width: 7px; }
.hero h1 { color: var(--green); font-family: var(--serif); font-size: clamp(66px, 8.2vw, 126px); font-weight: 500; letter-spacing: -.065em; line-height: .97; margin: 0; }
.hero h1 em { color: var(--red); font-style: normal; }
.hero-en { color: var(--gold); font-family: Georgia, serif; font-size: clamp(18px, 2vw, 27px); font-style: italic; line-height: 1.25; margin: 28px 0; }
.hero-intro { color: var(--muted); font-family: var(--serif); font-size: 15px; letter-spacing: .03em; line-height: 1.9; margin: 0 0 34px; max-width: 500px; }
.hero-actions { align-items: center; display: flex; flex-wrap: wrap; gap: 27px; }
.button { align-items: center; display: inline-flex; font-size: 12px; gap: 34px; letter-spacing: .06em; min-height: 52px; transition: transform 180ms ease; }
.button:hover { transform: translateY(-2px); }
.button-solid { background: var(--green); color: var(--ivory); padding: 0 21px; }
.button-text { border-bottom: 1px solid var(--green); min-height: 37px; }

.hero-visual { align-self: center; height: min(42vw, 590px); justify-self: end; position: relative; width: min(42vw, 590px); }
.globe { border: 1px solid rgba(18,54,46,.28); border-radius: 50%; inset: 2%; overflow: hidden; position: absolute; }
.globe::before, .globe::after { border: 1px solid rgba(18,54,46,.16); border-radius: 50%; content: ""; inset: 10%; position: absolute; }
.globe::after { inset: 23%; }
.longitude { border: 1px solid rgba(18,54,46,.18); border-radius: 50%; bottom: 0; left: 30%; position: absolute; top: 0; width: 40%; }
.long-b { left: 9%; width: 82%; }
.latitude { border: 1px solid rgba(18,54,46,.18); border-radius: 50%; height: 40%; left: 0; position: absolute; top: 30%; width: 100%; }
.lat-b { height: 76%; top: 12%; }
.route { border: 1px solid var(--gold); border-bottom: 0; border-radius: 50% 50% 0 0; height: 30%; left: 18%; position: absolute; top: 31%; transform: rotate(16deg); width: 68%; }
.route-b { height: 20%; left: 27%; top: 46%; transform: rotate(-34deg); width: 54%; }
.point { background: var(--red); border: 4px solid var(--paper); border-radius: 50%; box-shadow: 0 0 0 1px var(--red); height: 12px; position: absolute; width: 12px; }
.point-a { left: 20%; top: 36%; }
.point-b { right: 17%; top: 48%; }
.point-c { bottom: 24%; left: 48%; }
.visual-caption { align-items: flex-end; bottom: 2%; display: flex; gap: 14px; position: absolute; right: 0; }
.visual-caption span { color: var(--red); font-family: Georgia, serif; font-size: 36px; }
.visual-caption p { color: var(--muted); font-size: 8px; letter-spacing: .18em; line-height: 1.6; margin: 0; }
.hero-scroll { bottom: 35px; color: #8c958f; font-size: 8px; left: clamp(24px, 7vw, 108px); letter-spacing: .16em; position: absolute; }
.hero-scroll span { color: var(--red); margin-left: 10px; }

.marquee { background: var(--green); color: var(--ivory); overflow: hidden; padding: 17px 0; }
.marquee div { align-items: center; display: flex; justify-content: space-around; min-width: 1100px; }
.marquee span { font-family: var(--serif); font-size: 12px; letter-spacing: .15em; }
.marquee i { color: var(--gold); font-size: 8px; font-style: normal; }

.section { padding: 125px clamp(24px, 7vw, 108px); }
.section-label { align-items: center; color: var(--muted); display: flex; font-size: 9px; gap: 17px; letter-spacing: .14em; text-transform: uppercase; }
.section-label span { color: var(--red); font-family: Georgia, serif; font-size: 19px; }
.section-label.light { color: rgba(241,235,221,.58); }
.section-label.light span { color: var(--gold); }
.section h2, .contact h2 { color: var(--green); font-family: var(--serif); font-size: clamp(43px, 5.5vw, 82px); font-weight: 480; letter-spacing: -.055em; line-height: 1.14; margin: 0; }

.about-layout { display: grid; gap: 11vw; grid-template-columns: 1.15fr .85fr; margin: 66px 0 100px; }
.about-copy { padding-top: 9px; }
.about-copy p { color: var(--muted); font-family: var(--serif); font-size: 14px; letter-spacing: .025em; line-height: 1.85; margin: 0 0 22px; }
.about-copy .lead { color: var(--ink); font-size: 20px; line-height: 1.7; }
.about-copy .english { border-left: 2px solid var(--gold); font-family: Georgia, serif; font-size: 13px; font-style: italic; padding-left: 18px; }
.value-strip { border-left: 1px solid var(--line); display: grid; grid-template-columns: repeat(4,1fr); }
.value-strip div { border-bottom: 1px solid var(--line); border-right: 1px solid var(--line); border-top: 1px solid var(--line); display: flex; flex-direction: column; min-height: 210px; padding: 28px; }
.value-strip small { color: var(--red); font-size: 10px; letter-spacing: .15em; }
.value-strip strong { color: var(--green); font-family: var(--serif); font-size: 37px; font-weight: 500; margin: auto 0 5px; }
.value-strip span { color: var(--muted); font-family: Georgia, serif; font-size: 10px; letter-spacing: .1em; text-transform: uppercase; }

.services { background: var(--green); color: var(--ivory); }
.services-heading { align-items: end; display: grid; gap: 11vw; grid-template-columns: 1.2fr .8fr; margin: 64px 0 78px; }
.services h2 { color: var(--ivory); }
.services-heading > p { color: rgba(241,235,221,.63); font-family: var(--serif); font-size: 14px; line-height: 1.85; margin: 0; }
.service-grid { border-left: 1px solid rgba(241,235,221,.18); display: grid; grid-template-columns: repeat(3,1fr); }
.service-grid article { border-bottom: 1px solid rgba(241,235,221,.18); border-right: 1px solid rgba(241,235,221,.18); border-top: 1px solid rgba(241,235,221,.18); min-height: 510px; padding: 28px; position: relative; transition: background 200ms ease, transform 200ms ease; }
.service-grid article:hover { background: var(--green-soft); transform: translateY(-6px); }
.service-no { color: var(--gold); font-family: Georgia, serif; font-size: 13px; }
.service-mark { height: 110px; margin: 55px 0 38px; position: relative; width: 110px; }
.service-mark i { border: 1px solid var(--gold); border-radius: 50%; height: 78px; left: 0; position: absolute; top: 15px; width: 78px; }
.service-mark i:last-child { left: 32px; }
.mark-two i { border-radius: 0; transform: rotate(45deg) scale(.72); }
.mark-three i { border-radius: 50% 0 50% 50%; }
.service-grid h3 { font-family: var(--serif); font-size: 25px; font-weight: 500; letter-spacing: .02em; margin: 0 0 6px; }
.service-grid h4 { color: var(--gold); font-family: Georgia, serif; font-size: 10px; font-weight: 400; letter-spacing: .12em; margin: 0 0 23px; text-transform: uppercase; }
.service-grid p { color: rgba(241,235,221,.61); font-family: var(--serif); font-size: 13px; line-height: 1.75; margin: 0; }
.service-grid ul { bottom: 27px; display: flex; gap: 7px; left: 28px; list-style: none; margin: 0; padding: 0; position: absolute; }
.service-grid li { border: 1px solid rgba(241,235,221,.22); border-radius: 20px; color: rgba(241,235,221,.65); font-size: 9px; padding: 7px 9px; }

.approach { background: var(--ivory); }
.approach-grid { display: grid; gap: 10vw; grid-template-columns: 1fr 1fr; margin-top: 60px; }
.quote-mark { color: var(--gold); font-family: Georgia, serif; font-size: 100px; line-height: .5; margin: 20px 0 30px; }
.approach-grid ol { border-top: 1px solid var(--line); list-style: none; margin: 0; padding: 0; }
.approach-grid li { align-items: center; border-bottom: 1px solid var(--line); display: grid; gap: 22px; grid-template-columns: 35px 1fr auto; padding: 26px 0; }
.approach-grid li > span { color: var(--red); font-family: Georgia, serif; font-size: 13px; }
.approach-grid h3 { font-family: var(--serif); font-size: 21px; font-weight: 500; margin: 0 0 5px; }
.approach-grid li p { color: var(--muted); font-family: var(--serif); font-size: 12px; margin: 0; }
.approach-grid li small { color: #90978f; font-size: 7px; letter-spacing: .15em; }

.contact { background: var(--green-deep); color: var(--ivory); padding: 115px clamp(24px, 7vw, 108px) 52px; position: relative; }
.contact::before { border: 1px solid rgba(196,163,90,.22); border-radius: 50%; content: ""; height: 560px; position: absolute; right: -160px; top: -170px; width: 560px; }
.contact-top { position: relative; z-index: 1; }
.contact h2 { color: var(--ivory); font-size: clamp(55px, 7.5vw, 110px); margin: 58px 0 22px; }
.contact-top > p { color: var(--gold); font-family: Georgia, serif; font-size: 15px; font-style: italic; margin: 0 0 105px; }
.contact-bottom { align-items: end; border-top: 1px solid rgba(241,235,221,.2); display: grid; gap: 50px; grid-template-columns: 1fr 1fr auto; padding-top: 34px; position: relative; z-index: 1; }
.contact-brand { align-items: center; display: flex; font-family: var(--serif); gap: 15px; }
.contact-brand strong { font-size: 16px; font-weight: 500; letter-spacing: .08em; }
.address-block small { color: var(--gold); display: block; font-size: 8px; letter-spacing: .15em; margin-bottom: 13px; }
.address-block address { color: rgba(241,235,221,.7); font-size: 11px; font-style: normal; letter-spacing: .07em; line-height: 1.75; }
.back-top { align-items: center; border: 1px solid rgba(241,235,221,.25); display: flex; height: 48px; justify-content: center; transition: background 180ms ease; width: 48px; }
.back-top:hover { background: var(--gold); color: var(--green-deep); }
footer { background: #071f1b; color: rgba(241,235,221,.42); display: flex; font-size: 8px; justify-content: space-between; letter-spacing: .11em; padding: 25px clamp(24px, 7vw, 108px); }
footer p { margin: 0; }

@media (max-width: 1000px) {
  .site-header { grid-template-columns: 1fr auto; }
  nav { display: none; }
  .hero { grid-template-columns: 1fr .65fr; }
  .hero-visual { opacity: .62; }
  .about-layout, .services-heading, .approach-grid { gap: 65px; grid-template-columns: 1fr; }
  .service-grid { grid-template-columns: 1fr; }
  .service-grid article { min-height: 430px; }
  .value-strip { grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 650px) {
  .site-header { height: 72px; padding: 0 18px; }
  .brand-seal { font-size: 18px; height: 34px; width: 34px; }
  .brand-name strong { font-size: 13px; }
  .brand-name small { display: none; }
  .header-link { font-size: 10px; }
  .hero { display: block; min-height: 780px; padding: 138px 20px 80px; }
  .hero h1 { font-size: clamp(59px, 20vw, 90px); }
  .hero-visual { bottom: -110px; height: 430px; opacity: .34; position: absolute; right: -210px; width: 430px; }
  .hero-intro { max-width: 90%; }
  .section { padding: 88px 20px; }
  .about-layout { margin: 48px 0 65px; }
  .value-strip { grid-template-columns: 1fr 1fr; }
  .value-strip div { min-height: 170px; padding: 20px; }
  .value-strip strong { font-size: 30px; }
  .services-heading { margin: 48px 0 55px; }
  .service-grid article { min-height: 430px; }
  .approach-grid li { grid-template-columns: 30px 1fr; }
  .approach-grid li small { display: none; }
  .contact { padding: 88px 20px 48px; }
  .contact-top > p { margin-bottom: 75px; }
  .contact-bottom { align-items: start; grid-template-columns: 1fr auto; }
  .address-block { grid-column: 1 / -1; grid-row: 2; }
  .back-top { grid-column: 2; grid-row: 1; }
  footer { flex-direction: column; gap: 9px; padding: 24px 20px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}