:root {
  --ink: #1c1a17;
  --muted: #5c574e;
  --paper: #f7f3ea;
  --paper-deep: #ebe4d6;
  --line: #d4cbb8;
  --accent: #3d6b63;
  --max: 40rem;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Songti SC", "Noto Serif SC", "Source Han Serif SC", Georgia,
    "Times New Roman", serif;
  color: var(--ink);
  background:
    radial-gradient(ellipse at top, #fffdf8 0%, var(--paper) 55%, var(--paper-deep) 100%);
  line-height: 1.7;
  min-height: 100vh;
}

.hero {
  padding: 3.5rem 1.25rem 2rem;
  text-align: center;
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  margin: 0 0 0.75rem;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  color: var(--muted);
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 6vw, 2.75rem);
  font-weight: 600;
  letter-spacing: 0.12em;
}

.tagline {
  margin: 0.85rem 0 0;
  color: var(--accent);
  font-size: 1.05rem;
}

main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
}

.block {
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--line);
}

.block:last-of-type {
  border-bottom: 0;
}

h2 {
  margin: 0 0 1rem;
  font-size: 1.25rem;
  letter-spacing: 0.08em;
  font-weight: 600;
}

h2 .en {
  margin-left: 0.5rem;
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--muted);
  letter-spacing: 0.02em;
  font-family: Georgia, "Times New Roman", serif;
}

.zh {
  margin: 0 0 0.85rem;
}

.en-body {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  font-family: Georgia, "Times New Roman", serif;
}

.qr {
  margin: 1.5rem 0 0;
  text-align: center;
}

.qr img {
  display: inline-block;
  width: 200px;
  height: 200px;
  background: #fff;
  border: 1px solid var(--line);
  padding: 0.5rem;
}

.qr figcaption {
  margin-top: 0.6rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.qr figcaption .en-cap {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.8rem;
  font-family: Georgia, "Times New Roman", serif;
}

.support {
  margin: 1.1rem 0 0;
  font-size: 0.95rem;
}

.support.zh {
  margin-bottom: 0.5rem;
}

.contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.contact-list li {
  display: grid;
  gap: 0.2rem;
  padding: 0.65rem 0;
  border-bottom: 1px dashed var(--line);
}

.contact-list li:last-child {
  border-bottom: 0;
}

.contact-list .label {
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}

footer {
  text-align: center;
  padding: 2rem 1.25rem 2.5rem;
  font-size: 0.85rem;
  color: var(--muted);
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.35);
}

footer p {
  margin: 0.35rem 0;
}

footer a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

footer a:hover {
  color: var(--accent);
}