:root {
  --bg: #0e0d0c;
  --ink: #f3eee6;
  --mute: #a79e91;
  --faint: #8c8377;
  --zhu: #d6452a;
  --rule: rgba(243, 238, 230, 0.14);
  --font: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --measure: 38rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

html:focus-within {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 1.05rem;
  font-weight: 400;
  line-height: 1.85;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

:focus {
  outline: none;
}

:focus-visible {
  outline: 1px solid var(--zhu);
  outline-offset: 3px;
}

a {
  color: inherit;
  text-decoration-color: var(--zhu);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.28em;
}

a:hover {
  color: var(--zhu);
}

.skip {
  position: absolute;
  left: 0.8rem;
  top: 0.8rem;
  z-index: 10;
  padding: 0.4rem 0.7rem;
  background: var(--bg);
  color: var(--ink);
  transform: translateY(-150%);
}

.skip:focus-visible {
  transform: none;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.page {
  min-height: 100vh;
}

.cover {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 0.35rem;
  min-height: 70vh;
  padding: 2.2rem 1.6rem 2.4rem;
  border-bottom: 1px solid var(--rule);
}

.cover-mark {
  position: absolute;
  top: 1.6rem;
  left: 1.6rem;
  margin: 0;
  color: var(--zhu);
  font-size: 0.82rem;
  letter-spacing: 0.4em;
}

.cover-name {
  margin: 0;
  font-size: clamp(3.4rem, 16vw, 5.6rem);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: 0.12em;
}

.cover-handle,
.cover-bio {
  margin: 0;
}

.cover-handle {
  margin-top: 1.4rem;
  color: var(--mute);
  letter-spacing: 0.08em;
}

.cover-handle a {
  text-decoration: none;
}

.cover-bio {
  color: var(--zhu);
  font-size: 1.05rem;
  letter-spacing: 0.04em;
}

.seal {
  position: absolute;
  right: 1.6rem;
  bottom: 2.4rem;
  display: grid;
  place-items: center;
  width: 2.8rem;
  height: 2.8rem;
  border: 1px solid var(--zhu);
  color: var(--zhu);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0;
  box-shadow: inset 0 0 0 3px var(--bg), inset 0 0 0 4px var(--zhu);
  user-select: none;
}

main {
  padding: 2.4rem 1.6rem 3.5rem;
}

.toc {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem 1.8rem;
  margin-bottom: 3.4rem;
  font-size: 0.92rem;
  letter-spacing: 0.18em;
}

.toc a {
  color: var(--mute);
  text-decoration: none;
}

.toc a:hover,
.toc a:focus-visible {
  color: var(--zhu);
}

section {
  max-width: var(--measure);
  margin-bottom: 4.2rem;
}

.folio {
  margin: 0 0 0.7rem;
  color: var(--zhu);
  font-size: 0.78rem;
  letter-spacing: 0.42em;
}

.section-head {
  margin-bottom: 1.6rem;
}

.section-head h2 {
  margin: 0;
  font-size: 1.7rem;
  font-weight: 600;
  letter-spacing: 0.28em;
}

.section-en {
  margin: 0.35rem 0 0;
  color: var(--faint);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
}

.lede-text {
  margin: 0;
  font-size: 1.28rem;
  line-height: 1.7;
  letter-spacing: 0.04em;
}

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

.entry {
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: 0.6rem 1rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--rule);
}

.entry:last-child {
  border-bottom: 1px solid var(--rule);
}

.entry-num {
  margin: 0.35rem 0 0;
  color: var(--zhu);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
}

.entry-body h3 {
  margin: 0 0 0.35rem;
  font-size: 1.12rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1.4;
}

.entry-body h3 a {
  text-decoration: none;
}

.entry-body h3 a:hover {
  text-decoration: underline;
  text-decoration-color: var(--zhu);
  text-underline-offset: 0.22em;
}

.entry-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 1rem;
  margin: 0 0 0.7rem;
  color: var(--faint);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
}

.entry-body > p {
  margin: 0 0 0.85rem;
  color: var(--mute);
}

.bullets {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--mute);
}

.bullets li {
  margin: 0 0 0.55rem;
}

.bullets li:last-child {
  margin-bottom: 0;
}

.bullets code {
  font-size: 0.86em;
  color: var(--ink);
}

.identity {
  margin: -0.4rem 0 1.15rem;
  color: var(--zhu);
  font-size: 1.05rem;
  letter-spacing: 0.22em;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  list-style: none;
  margin: 0 0 1.6rem;
  padding: 0;
}

.tags li {
  padding: 0.18rem 0.7rem 0.22rem;
  border: 1px solid var(--rule);
  color: var(--mute);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
}

.prose p {
  margin: 0 0 1rem;
}

.prose p:last-child {
  margin-bottom: 0;
}

.placeholder {
  color: var(--faint);
  border-left: 2px solid var(--zhu);
  padding-left: 0.9rem;
}

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

.contact-list li {
  display: grid;
  grid-template-columns: 4.2rem 1fr;
  gap: 0.8rem;
  padding: 0.85rem 0;
  border-top: 1px solid var(--rule);
}

.contact-list li:last-child {
  border-bottom: 1px solid var(--rule);
}

.contact-label {
  color: var(--zhu);
  letter-spacing: 0.18em;
  font-size: 0.82rem;
  padding-top: 0.2rem;
}

.contact-value {
  font-size: 1.12rem;
  letter-spacing: 0.04em;
  text-decoration: none;
}

.colophon {
  max-width: var(--measure);
  padding-top: 0.4rem;
  color: var(--faint);
  font-size: 0.82rem;
  letter-spacing: 0.18em;
}

@media (min-width: 880px) {
  .page {
    display: grid;
    grid-template-columns: minmax(17rem, 0.4fr) 1fr;
  }

  .cover {
    position: sticky;
    top: 0;
    height: 100vh;
    min-height: 100vh;
    justify-content: center;
    padding: 3rem 2.4rem 3rem 2.8rem;
    border-bottom: 0;
    border-right: 1px solid var(--rule);
  }

  .cover::after {
    content: "";
    position: absolute;
    top: 3.2rem;
    right: 0;
    width: 2px;
    height: calc(100% - 6.4rem);
    background: var(--zhu);
  }

  .cover-mark {
    top: 2.6rem;
    left: 2.8rem;
  }

  .cover-name {
    writing-mode: vertical-rl;
    font-size: clamp(3.8rem, 8vw, 6.4rem);
    letter-spacing: 0.22em;
    height: min(22rem, 56vh);
  }

  .cover-handle {
    margin-top: 2.2rem;
  }

  .seal {
    right: 2.4rem;
    bottom: 2.8rem;
  }

  main {
    padding: 3.4rem 7vw 4.5rem 4.2rem;
  }

  .toc {
    margin-bottom: 4.8rem;
  }

  section {
    margin-bottom: 5.2rem;
  }
}

@media (min-width: 1240px) {
  .cover {
    padding-left: 4rem;
  }

  main {
    padding-right: 10vw;
  }
}

@media print {
  :root {
    --bg: #f7f2ea;
    --ink: #1a1714;
    --mute: #4d463e;
    --faint: #8c8377;
    --zhu: #b33622;
    --rule: rgba(26, 23, 20, 0.18);
  }

  body {
    background: var(--bg);
    color: var(--ink);
  }

  .cover {
    min-height: auto;
    height: auto;
    position: static;
  }

  .skip,
  .toc {
    display: none;
  }
}