:root {
  color-scheme: light;
  --bg: #f6f6f4;
  --ink: #0b1730;
  --muted: #6b6f7a;
  --line: #dcdcdc;
  --accent: #c7a25b;
  --navy: #0b1730;
  --gold: #c7a25b;
  --serif: "Cormorant Garamond", "Times New Roman", serif;
  --sans: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: radial-gradient(circle at 0% 0%, #ffffff 0%, var(--bg) 55%)
    fixed;
  letter-spacing: 0.01em;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: linear-gradient(
      rgba(13, 13, 15, 0.04) 1px,
      transparent 1px
    ),
    linear-gradient(90deg, rgba(13, 13, 15, 0.04) 1px, transparent 1px);
  background-size: 120px 120px;
  pointer-events: none;
  opacity: 0.35;
  z-index: -1;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(1100px, 92vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(246, 246, 244, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: var(--serif);
  font-size: 1.4rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand-logo {
  width: 44px;
  height: 44px;
  aspect-ratio: 1 / 1;
  object-fit: contain;
}

.brand-text {
  letter-spacing: 0.14em;
}

.nav {
  display: flex;
  gap: 22px;
  font-size: 0.95rem;
  color: var(--muted);
}

.nav-en {
  display: block;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.75rem;
}

.nav-cn {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.nav a {
  position: relative;
  padding-bottom: 4px;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: var(--ink);
  transition: width 0.2s ease;
}

.nav a:hover {
  color: var(--ink);
}

.nav a:hover::after {
  width: 100%;
}

.section {
  padding: 120px 0;
}

.hero {
  min-height: 88vh;
  display: flex;
  align-items: center;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}

.hero-content h1 {
  font-family: var(--serif);
  font-size: clamp(3.5rem, 6vw, 6rem);
  margin: 12px 0 8px;
  letter-spacing: 0.03em;
}

.eyebrow {
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.cn {
  font-size: 0.92rem;
  color: var(--muted);
}

.section-cn {
  margin-top: -8px;
  margin-bottom: 18px;
  font-size: 0.95rem;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.subhead {
  font-family: var(--serif);
  font-size: 1.6rem;
  margin-bottom: 10px;
}

.subhead-cn {
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin-top: -6px;
  margin-bottom: 16px;
}

.role {
  font-size: 1.1rem;
  color: var(--muted);
  margin: 0 0 10px;
}

.slogan {
  font-family: var(--serif);
  font-size: 1.6rem;
  margin: 18px 0 8px;
}

.mission {
  font-size: 1.3rem;
  font-weight: 500;
  margin: 8px 0 12px;
}

.intro {
  color: var(--muted);
  max-width: 520px;
  line-height: 1.7;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  margin-top: 26px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: background 0.2s ease, color 0.2s ease;
}

.btn:hover {
  background: var(--ink);
  color: #fff;
}

.hero-visual {
  position: relative;
  min-height: 340px;
  display: grid;
  place-items: center;
}

.hero-visual img {
  width: min(220px, 60%);
  z-index: 2;
}

.ring {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(13, 13, 15, 0.25);
  border-radius: 50%;
}

.ring-small {
  inset: 18% 12% 10% 28%;
  border-style: dashed;
}

.grid-lines {
  position: absolute;
  inset: 12% 0 0 0;
  background-image: linear-gradient(
      90deg,
      rgba(13, 13, 15, 0.1) 1px,
      transparent 1px
    ),
    linear-gradient(rgba(13, 13, 15, 0.1) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.4;
}

h2 {
  font-family: var(--serif);
  font-size: clamp(2rem, 3vw, 3rem);
  margin-bottom: 20px;
}

.lead {
  font-size: 1.1rem;
  color: var(--muted);
}

.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 60px;
  align-items: start;
}

.stack {
  display: grid;
  gap: 24px;
}

.fact-card,
.quote-card,
.focus-card,
.contact-card {
  border: 1px solid var(--line);
  padding: 28px;
  background: #fff;
}

.visual-card,
.logo-card {
  border: 1px solid var(--line);
  background: #fff;
  padding: 28px;
  display: grid;
  place-items: center;
}

.visual-card img,
.logo-card img {
  width: min(220px, 80%);
  height: auto;
  object-fit: contain;
}

.logo-card img[src$=".jpg"],
.logo-card img[src$=".jpeg"] {
  width: min(320px, 100%);
  border-radius: 18px;
  box-shadow: 0 16px 40px rgba(13, 13, 15, 0.12);
}

.fact-title {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--muted);
  margin-bottom: 20px;
}

.fact-item {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

.fact-item:last-child {
  border-bottom: none;
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 24px;
}

.pill-row span {
  border: 1px solid var(--ink);
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 0.9rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin-top: 32px;
}

.focus-innovation {
  margin-top: 48px;
}

.media-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin-top: 32px;
}

.media-card {
  border: 1px solid var(--line);
  background: #fff;
  padding: 18px;
  display: grid;
  place-items: center;
  min-height: 220px;
  text-align: center;
}

.media-video {
  margin-top: 28px;
  border: 1px solid var(--line);
  background: #fff;
  padding: 18px;
}

.community-video {
  width: 100%;
  max-height: 520px;
  border-radius: 16px;
  display: block;
  object-fit: cover;
}

.media-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 14px;
}

.media-card.placeholder {
  border-style: dashed;
  color: var(--muted);
}

.placeholder-label {
  font-size: 0.95rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.placeholder-cn {
  font-size: 0.85rem;
  letter-spacing: 0.12em;
}

.card-icon {
  width: 64px;
  height: 64px;
  margin-bottom: 16px;
}

.focus-card h3 {
  margin-top: 0;
  font-size: 1.2rem;
}

.slogan-inline {
  margin-top: 24px;
  font-family: var(--serif);
  font-size: 1.4rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 30px;
}

.section-head {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 30px;
  align-items: center;
  margin-bottom: 24px;
}

.site-footer {
  padding: 40px 0 60px;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .hero-grid,
  .split,
  .card-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

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

  .section-head {
    grid-template-columns: 1fr;
  }

  .nav {
    display: none;
  }

  .hero {
    padding-top: 80px;
  }
}

@media (max-width: 600px) {
  body {
    background: linear-gradient(180deg, #ffffff 0%, #f3f3f0 100%);
  }

  body::before {
    background-size: 90px 90px;
    opacity: 0.25;
  }

  .section {
    padding: 80px 0;
  }

  .header-inner {
    padding: 16px 0;
  }

  .btn {
    width: 100%;
    box-shadow: 0 12px 30px rgba(13, 13, 15, 0.12);
  }

  .hero {
    min-height: auto;
    padding-top: 56px;
    padding-bottom: 30px;
  }

  .hero-content {
    padding: 28px;
    border: 1px solid var(--line);
    border-radius: 28px;
    background: rgba(255, 255, 255, 0.92);
    box-shadow: 0 24px 70px rgba(13, 13, 15, 0.12);
  }

  .hero-content h1 {
    font-size: clamp(3rem, 12vw, 4.2rem);
    line-height: 0.98;
  }

  .eyebrow {
    font-size: 0.72rem;
    letter-spacing: 0.16em;
  }

  .slogan {
    font-size: 1.3rem;
  }

  .mission {
    font-size: 1.05rem;
  }

  .intro {
    font-size: 0.95rem;
  }

  .hero-visual {
    min-height: 200px;
    margin-top: 28px;
  }

  .hero-visual img {
    width: min(180px, 55%);
  }

  .visual-card,
  .logo-card {
    padding: 18px;
  }

  .visual-card img,
  .logo-card img {
    width: min(180px, 70%);
  }

  .logo-card img[src$=".jpg"],
  .logo-card img[src$=".jpeg"] {
    width: min(240px, 100%);
  }

  .media-card {
    min-height: 180px;
  }

  .media-card img {
    border-radius: 12px;
  }

  .grid-lines {
    background-size: 30px 30px;
  }

  .fact-card,
  .quote-card,
  .focus-card,
  .contact-card {
    border-radius: 22px;
    box-shadow: 0 18px 45px rgba(13, 13, 15, 0.08);
  }

  .pill-row span {
    background: #fff;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .media-grid {
    grid-template-columns: 1fr;
  }
}