:root {
  --ink: #17212b;
  --muted: #60707d;
  --paper: #fffdf8;
  --cream: #f7efe3;
  --red: #8f1d2c;
  --red-dark: #68141f;
  --gold: #c79b52;
  --blue: #17324d;
  --line: rgba(23, 33, 43, .13);
  --shadow: 0 20px 60px rgba(48, 28, 17, .11);
  --radius: 24px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, "Noto Sans SC", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.75;
}

a { color: inherit; }

.skip-link {
  position: fixed;
  top: -100px;
  left: 20px;
  z-index: 100;
  padding: 10px 16px;
  background: white;
  border-radius: 8px;
}

.skip-link:focus { top: 12px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 82px;
  padding: 12px clamp(22px, 5vw, 76px);
  background: rgba(255, 253, 248, .93);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand {
  display: flex;
  gap: 13px;
  align-items: center;
  text-decoration: none;
  line-height: 1.2;
}

.brand-logo {
  width: 54px;
  height: 54px;
  object-fit: cover;
  border: 1px solid rgba(199, 155, 82, .65);
  border-radius: 50%;
  box-shadow: 0 8px 20px rgba(23, 50, 77, .18);
}

.brand strong { display: block; font-size: 17px; letter-spacing: .04em; }
.brand small { display: block; margin-top: 4px; color: var(--muted); font-size: 10px; letter-spacing: .04em; }

nav { display: flex; gap: clamp(18px, 3vw, 36px); }
nav a { color: #384651; font-size: 14px; text-decoration: none; }
nav a:hover, nav a:focus-visible { color: var(--red); }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, .9fr);
  align-items: center;
  min-height: calc(100vh - 82px);
  overflow: hidden;
  background: linear-gradient(125deg, #fffdf8 0%, #fffaf1 55%, #f4e4cf 100%);
}

.hero-content { padding: 80px 5vw 90px 9vw; }

.eyebrow {
  margin: 0 0 14px;
  color: var(--red);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .17em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 700px;
  margin-bottom: 6px;
  font-family: Georgia, "Songti SC", "STSong", serif;
  font-size: clamp(48px, 7vw, 94px);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -.04em;
}

.hero-en {
  margin-bottom: 30px;
  color: var(--gold);
  font-family: Georgia, serif;
  font-size: clamp(19px, 2vw, 29px);
  font-style: italic;
}

.hero-copy { max-width: 590px; color: #4a5965; font-size: 18px; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }

.button {
  display: inline-flex;
  min-width: 138px;
  justify-content: center;
  padding: 12px 22px;
  border: 1px solid var(--red);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: transform .2s ease, background .2s ease;
}

.button:hover { transform: translateY(-2px); }
.button-primary { color: white; background: var(--red); }
.button-primary:hover { background: var(--red-dark); }
.button-secondary { color: var(--red); background: transparent; }

.hero-art { position: relative; align-self: stretch; display: grid; align-items: end; }
.hero-art svg { display: block; width: 110%; height: auto; margin-left: -4%; }

.hero-logo {
  position: absolute;
  z-index: 2;
  top: 25%;
  right: 12%;
  width: min(22%, 210px);
  aspect-ratio: 1;
  object-fit: cover;
  border: 3px solid rgba(255, 253, 248, .92);
  border-radius: 50%;
  box-shadow: 0 16px 38px rgba(23, 50, 77, .24);
}

.section { padding: 110px clamp(24px, 8vw, 130px); }
.section-heading { max-width: 760px; margin-bottom: 44px; }
.section-heading.centered { margin-inline: auto; text-align: center; }

h2 {
  margin-bottom: 16px;
  font-family: Georgia, "Songti SC", "STSong", serif;
  font-size: clamp(34px, 4vw, 56px);
  font-weight: 600;
  line-height: 1.2;
}

.bilingual-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 26px;
}

.bilingual-grid article {
  padding: 38px;
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.bilingual-grid p { margin-bottom: 0; color: #43525d; font-size: 17px; }

.language-tag {
  display: inline-block;
  margin-bottom: 20px;
  padding: 4px 12px;
  color: var(--red);
  background: #f8e9e8;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
}

.purpose { color: white; background: var(--blue); }
.purpose .eyebrow { color: #e1bc78; }
.purpose .section-heading > p:last-child { color: #c5d1da; }

.purpose-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  max-width: 1250px;
  margin-inline: auto;
}

.purpose-card {
  padding: 34px 30px;
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .15);
  border-radius: var(--radius);
}

.card-number { color: #e1bc78; font-family: Georgia, serif; font-size: 15px; }
.purpose-card h3 { margin: 22px 0 18px; font-size: 22px; }
.purpose-card h3 small { display: block; margin-top: 4px; color: #9fb1bf; font-size: 12px; font-weight: 500; text-transform: uppercase; letter-spacing: .12em; }
.purpose-card p { color: #d7e0e6; font-size: 14px; }
.purpose-card p:last-child { margin-bottom: 0; color: #aebcc6; }

.details {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: clamp(50px, 9vw, 130px);
  align-items: start;
  background: var(--cream);
}

.details > div > p:last-child { color: var(--muted); }
.details dl { margin: 0; background: var(--paper); border-radius: var(--radius); box-shadow: var(--shadow); }
.details dl div { display: grid; grid-template-columns: 170px 1fr; gap: 20px; padding: 20px 28px; border-bottom: 1px solid var(--line); }
.details dl div:last-child { border-bottom: 0; }
.details dt { color: var(--muted); font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: .07em; }
.details dd { margin: 0; font-weight: 700; }

.contact {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: clamp(45px, 8vw, 110px);
  align-items: center;
}

.contact > div p { max-width: 720px; color: var(--muted); }
.contact-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 34px;
  color: white;
  background: var(--red);
  border-radius: var(--radius);
  text-decoration: none;
  box-shadow: 0 22px 50px rgba(143, 29, 44, .25);
}

.contact-card span:first-child { color: #efd9d8; font-size: 12px; letter-spacing: .08em; text-transform: uppercase; }
.contact-card strong { overflow-wrap: anywhere; font-size: clamp(17px, 2vw, 24px); }
.contact-card .arrow { position: absolute; top: 20px; right: 24px; font-size: 24px; }

footer {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  padding: 35px clamp(24px, 8vw, 130px);
  color: #b9c6cf;
  background: #101f2d;
  font-size: 12px;
}

footer strong, footer span { display: block; }
footer strong { color: white; font-size: 15px; }
footer p { margin: 0; }

@media (max-width: 900px) {
  .site-header { min-height: 74px; }
  nav { display: none; }
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .hero-content { padding: 75px 7vw 40px; }
  .hero-art { max-height: 410px; overflow: hidden; }
  .hero-art svg { width: 100%; margin: 0; }
  .hero-logo { top: 8%; right: 17%; width: min(21%, 150px); }
  .bilingual-grid, .purpose-grid, .details, .contact { grid-template-columns: 1fr; }
  .purpose-grid { max-width: 620px; }
}

@media (max-width: 560px) {
  .brand small { display: none; }
  .section { padding-block: 76px; }
  h1 { font-size: 50px; }
  .hero-art { max-height: 285px; }
  .brand-logo { width: 48px; height: 48px; }
  .hero-logo { top: 8%; right: 17%; width: min(21%, 105px); border-width: 2px; }
  .bilingual-grid article { padding: 27px; }
  .details dl div { grid-template-columns: 1fr; gap: 5px; }
  footer { align-items: start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}