:root {
  color-scheme: dark;
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", sans-serif;
  background: #092c22;
  color: #f7f0dc;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at top, rgb(39 104 77 / 55%), transparent 38rem),
    linear-gradient(180deg, #0c382b 0%, #071f19 100%);
}

a {
  color: #f4c86a;
}

a:focus-visible {
  outline: 3px solid #f4c86a;
  outline-offset: 4px;
}

.shell {
  width: min(100% - 2rem, 760px);
  margin: 0 auto;
  padding: 2rem 0 4rem;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 1.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: #f7f0dc;
  font-weight: 750;
  text-decoration: none;
}

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.94rem;
}

.card {
  padding: clamp(1.5rem, 5vw, 3rem);
  border: 1px solid rgb(244 200 106 / 45%);
  border-radius: 24px;
  background: rgb(4 24 19 / 78%);
  box-shadow: 0 24px 80px rgb(0 0 0 / 25%);
}

h1,
h2 {
  margin: 0;
  color: #fff8e7;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2rem, 7vw, 3rem);
  line-height: 1.08;
}

h2 {
  margin-top: 2rem;
  font-size: 1.2rem;
}

p,
li {
  line-height: 1.7;
  color: #e2dfd4;
}

.eyebrow {
  margin: 0 0 0.55rem;
  color: #f4c86a;
  font-size: 0.83rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.lede {
  max-width: 62ch;
  margin: 1rem 0 0;
  font-size: 1.05rem;
}

.meta {
  margin: 0.75rem 0 0;
  color: #aebfb8;
  font-size: 0.9rem;
}

.summary {
  margin: 1.75rem 0;
  padding: 1rem 1.15rem;
  border-left: 4px solid #f4c86a;
  border-radius: 0 12px 12px 0;
  background: rgb(244 200 106 / 9%);
}

.summary p {
  margin: 0;
}

ul,
ol {
  padding-left: 1.35rem;
}

.language-divider {
  margin: 3rem 0;
  border: 0;
  border-top: 1px solid rgb(244 200 106 / 30%);
}

.contact {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  margin-top: 0.5rem;
  padding: 0.65rem 1rem;
  border: 1px solid #f4c86a;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
}

.footer {
  padding-top: 1.25rem;
  color: #aebfb8;
  font-size: 0.85rem;
  text-align: center;
}

@media (max-width: 540px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .card {
    border-radius: 18px;
  }
}