:root {
  --ink: #143d59;
  --ink-2: #1f2937;
  --muted: #65758b;
  --line: #dbe4ea;
  --soft: #f4f8f8;
  --soft-2: #edf4f2;
  --green: #0f766e;
  --gold: #d9a441;
  --white: #ffffff;
  --shadow: 0 18px 48px rgba(20, 61, 89, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink-2);
  background: var(--white);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, "Noto Sans TC", sans-serif;
  line-height: 1.65;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  min-height: 128px;
  padding: 10px clamp(20px, 5vw, 72px);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(219, 228, 234, 0.82);
  backdrop-filter: blur(18px);
}

.brand img {
  display: block;
  width: min(210px, 38vw);
  height: auto;
}

.nav {
  display: flex;
  justify-content: flex-end;
  gap: 22px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 650;
}

.nav a,
.language-toggle {
  text-decoration: none;
}

.language-toggle {
  padding: 8px 12px;
  color: var(--green);
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--white);
  font-size: 13px;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
}

html[data-lang="en"] .lang-zh,
html[data-lang="zh"] .lang-en {
  display: none !important;
}

.hero {
  position: relative;
  min-height: min(760px, calc(100vh - 76px));
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(7, 24, 34, 0.84) 0%, rgba(13, 45, 61, 0.68) 38%, rgba(13, 45, 61, 0.18) 72%, rgba(13, 45, 61, 0.08) 100%),
    linear-gradient(0deg, rgba(7, 24, 34, 0.24), rgba(7, 24, 34, 0.04));
}

.hero-content {
  position: relative;
  width: min(760px, calc(100% - 40px));
  margin-left: clamp(20px, 7vw, 96px);
  color: var(--white);
  padding: 72px 0;
}

.eyebrow,
.section-label {
  margin: 0 0 14px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 24px;
  font-size: clamp(44px, 6vw, 82px);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  color: var(--ink);
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.06;
  letter-spacing: 0;
}

h3 {
  color: var(--ink);
  font-size: 20px;
  line-height: 1.24;
}

.subtitle {
  max-width: 670px;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(18px, 2vw, 24px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 22px;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 800;
}

.button.primary {
  background: var(--gold);
  color: #14212b;
}

.button.secondary {
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.58);
}

.section {
  padding: clamp(70px, 9vw, 124px) clamp(20px, 6vw, 92px);
}

.intro {
  background: var(--white);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: clamp(32px, 6vw, 84px);
  align-items: start;
}

.split p,
.copy-panel p,
.zh-grid p,
.contact p {
  color: var(--muted);
  font-size: 17px;
}

.facts {
  display: grid;
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
  box-shadow: var(--shadow);
}

.facts div {
  display: grid;
  gap: 8px;
  padding: 22px;
  background: var(--white);
}

.facts span,
.contact-card span,
.contact-card small {
  color: var(--muted);
  font-size: 13px;
  font-weight: 750;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.facts strong {
  color: var(--ink);
  font-size: 18px;
}

.band {
  background: linear-gradient(180deg, var(--soft), var(--soft-2));
}

.grid {
  display: grid;
  gap: 18px;
  margin-top: 34px;
}

.grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid.four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.grid article {
  min-height: 100%;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.grid p {
  color: var(--muted);
}

.icon {
  display: inline-flex;
  margin-bottom: 22px;
  color: var(--green);
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.visual-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
  gap: clamp(34px, 6vw, 80px);
  align-items: center;
}

.visual-row.reverse {
  direction: rtl;
}

.visual-row.reverse > * {
  direction: ltr;
}

.image-panel {
  overflow: hidden;
  border-radius: 8px;
  box-shadow: var(--shadow);
  background: var(--soft);
}

.image-panel img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 11;
  object-fit: cover;
}

.copy-panel {
  max-width: 680px;
}

.check-list {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 28px 0 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 30px;
  color: var(--ink-2);
  font-weight: 650;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--green);
}

.platform-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.platform-list span {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 10px 14px;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--white);
  font-weight: 800;
}

.brand-portfolio {
  background: #fbfcfc;
}

.brand-card {
  display: grid;
  gap: 14px;
  padding: 30px;
  color: var(--ink);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.brand-card span,
.brand-card small {
  color: var(--muted);
  font-size: 13px;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand-card strong {
  font-size: clamp(34px, 5vw, 54px);
  line-height: 1;
}

.brand-card em {
  color: var(--green);
  font-style: normal;
  font-weight: 850;
}

.metrics {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.metrics div {
  padding: 18px;
  border-left: 4px solid var(--green);
  background: var(--soft);
}

.metrics strong {
  display: block;
  color: var(--ink);
}

.metrics span {
  color: var(--muted);
}

.zh-section {
  background: #fbfcfc;
}

.zh-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.zh-grid > div {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.zh-grid ul {
  margin: 0;
  padding-left: 1.2em;
  color: var(--muted);
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 420px);
  gap: 40px;
  align-items: center;
  background: var(--ink);
  color: var(--white);
}

.contact h2,
.contact .section-label {
  color: var(--white);
}

.contact p {
  color: rgba(255, 255, 255, 0.72);
}

.contact-card {
  display: grid;
  gap: 12px;
  padding: 28px;
  border-radius: 8px;
  background: var(--white);
  color: var(--ink);
}

.contact-card a {
  color: var(--green);
  font-size: 22px;
  font-weight: 850;
  text-decoration: none;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 28px clamp(20px, 6vw, 92px);
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-size: 14px;
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .nav {
    grid-column: 1 / -1;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .split,
  .visual-row,
  .contact {
    grid-template-columns: 1fr;
  }

  .grid.three,
  .grid.four,
  .zh-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .site-header {
    position: static;
    gap: 12px;
  }

  .brand img {
    width: 150px;
  }

  .nav {
    flex-wrap: wrap;
    gap: 10px 14px;
    overflow-x: visible;
    font-size: 12px;
  }

  .hero {
    min-height: 680px;
  }

  .hero-content {
    margin-left: 20px;
    padding-right: 18px;
  }

  .grid.three,
  .grid.four,
  .zh-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 62px 20px;
  }

  .site-footer {
    flex-direction: column;
  }
}