:root {
  color-scheme: light;
  --paper: #f6f0e6;
  --ink: #392b26;
  --muted: #746459;
  --red: #a73d32;
  --line: #ddcfc0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--paper);
}

* { box-sizing: border-box; }
body { margin: 0; border-top: 4px solid var(--red); }
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 3px solid var(--red); outline-offset: 6px; }
.wrap { width: min(1280px, calc(100% - 80px)); margin-inline: auto; }
.skip-link { position: absolute; top: -80px; left: 20px; padding: 12px 20px; background: white; z-index: 1; }
.skip-link:focus { top: 16px; }
.masthead { display: flex; align-items: center; justify-content: space-between; min-height: 112px; border-bottom: 1px solid var(--line); gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 13px; font-size: 17px; letter-spacing: .12em; }
.seal { display: grid; place-items: center; width: 42px; height: 46px; border: 1px solid var(--red); color: var(--red); font-family: "Songti SC", "Noto Serif CJK SC", serif; font-size: 28px; }
.brand-en { display: block; margin-top: 7px; color: var(--muted); font-size: 9px; letter-spacing: .14em; }
.source-link { color: var(--red); font-size: 13px; white-space: nowrap; }
.source-link span { margin-left: 6px; }
.source-link:hover, .footer a:hover { text-decoration: underline; text-underline-offset: 5px; }
.intro { padding: 62px 0 57px; }
.eyebrow { margin: 0 0 19px; color: var(--red); font-size: 12px; letter-spacing: .24em; }
h1 { margin: 0; font-family: "Songti SC", "STSong", "Noto Serif CJK SC", serif; font-size: clamp(34px, 4.5vw, 58px); font-weight: 500; line-height: 1.4; letter-spacing: .04em; }
h1 span { color: var(--red); }
.mobile-break { display: none; }
.intro-copy { margin: 21px 0 0; color: var(--muted); font-size: 15px; line-height: 1.9; }
.section-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 22px; }
.section-heading h2 { margin: 0; font-size: 14px; font-weight: 500; letter-spacing: .15em; }
.section-heading p { margin: 0; font-size: 12px; color: var(--muted); }
.theme-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 25px; }
.theme-card { display: flex; flex-direction: column; min-width: 0; border: 1px solid var(--line); background: #fcf8f1; transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; }
.preview { overflow: hidden; margin: 12px 12px 0; border: 1px solid var(--line); background: #ede1d3; }
.preview img { display: block; width: 100%; height: auto; aspect-ratio: 390 / 844; object-fit: cover; }
.card-copy { display: flex; flex: 1; flex-direction: column; padding: 24px 21px 21px; }
.theme-number { margin: 0 0 10px; font-size: 10px; letter-spacing: .14em; color: var(--muted); }
h3 { display: flex; flex-wrap: wrap; align-items: baseline; gap: 10px; margin: 0; font-family: "Songti SC", "STSong", "Noto Serif CJK SC", serif; font-size: 29px; font-weight: 500; }
h3 span { font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif; font-size: 11px; color: var(--muted); }
.description { flex: 1; margin: 12px 0 23px; color: var(--muted); font-size: 13px; line-height: 1.9; }
.card-action { display: flex; justify-content: space-between; align-items: center; padding-top: 16px; border-top: 1px solid var(--line); font-size: 13px; color: var(--red); }
.card-action span { font-size: 19px; }
.footer { display: flex; justify-content: space-between; gap: 20px; padding-block: 30px; margin-top: 50px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; line-height: 1.8; }
.footer p { margin: 0; }
.footer a { color: var(--red); white-space: nowrap; }

@media (hover: hover) {
  .theme-card:hover { transform: translateY(-5px); border-color: #b88f7e; box-shadow: 0 14px 28px #5033230d; }
}

@media (max-width: 1023px) {
  .wrap { width: calc(100% - 56px); }
  .theme-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
}

@media (max-width: 560px) {
  .wrap { width: calc(100% - 40px); }
  .masthead { min-height: 91px; gap: 12px; }
  .brand { font-size: 15px; gap: 10px; }
  .brand-en { font-size: 8px; letter-spacing: .09em; }
  .seal { width: 35px; height: 40px; font-size: 25px; }
  .source-link { font-size: 12px; }
  .intro { padding: 43px 0 37px; }
  h1 { font-size: 38px; }
  .mobile-break { display: block; }
  .intro-copy { font-size: 14px; margin-top: 18px; max-width: 22em; }
  .section-heading { align-items: baseline; }
  .section-heading p { font-size: 11px; }
  .theme-grid { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .card-copy { padding: 23px; }
  .footer { flex-direction: column; gap: 10px; margin-top: 36px; padding-block: 24px; }
}

@media (prefers-reduced-motion: reduce) {
  .theme-card { transition: none; }
  .theme-card:hover { transform: none; }
}