:root {
  --paper: #f3ecdf;
  --paper-2: #f7f2e8;
  --ink: #1c1915;
  --ink-soft: #5e564c;
  --cinnabar: #8f2d2d;
  --gold: #8d6a32;
  --gold-line: rgba(141, 106, 50, 0.38);
  --celadon: #2f6a56;
  --line: rgba(28, 25, 21, 0.12);
  --serif: "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --kai: "KaiTi", "楷体", "Kaiti SC", "STKaiti", "KaiTi_GB2312", serif;
  --display: "ZCOOL XiaoWei", "KaiTi", "STKaiti", "Songti SC", serif;
  --brush: "Ma Shan Zheng", "KaiTi", "STKaiti", cursive;
  --shadow: 0 22px 50px rgba(72, 48, 24, 0.12);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: var(--serif);
  font-weight: 400;
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(141, 106, 50, 0.16), transparent 55%),
    radial-gradient(900px 480px at 110% 8%, rgba(47, 106, 86, 0.1), transparent 50%),
    var(--paper);
  line-height: 1.75;
}

.grain {
  pointer-events: none;
  position: fixed;
  inset: 0;
  opacity: 0.18;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}

.topbar, #main, .colophon {
  position: relative;
  z-index: 1;
  width: min(1080px, calc(100% - 40px));
  margin-inline: auto;
}

.topbar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 0 18px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 14px;
  color: inherit;
  text-decoration: none;
}

.brand-mark {
  font-family: var(--brush);
  font-size: 46px;
  line-height: 1;
  letter-spacing: 0.08em;
}

.brand-sub,
.top-note {
  margin: 0;
  color: var(--ink-soft);
  letter-spacing: 0.22em;
  font-size: 13px;
}

#main { padding: 36px 0 72px; }

.hero {
  margin-bottom: 36px;
}

.kicker {
  margin: 0 0 10px;
  color: var(--cinnabar);
  letter-spacing: 0.28em;
  font-size: 13px;
}

.hero h1,
.poem-head h1 {
  margin: 0;
  font-family: var(--display);
  font-weight: 400;
  letter-spacing: 0.12em;
}

.hero h1 {
  font-size: clamp(48px, 7vw, 84px);
  line-height: 1.05;
}

.lede {
  margin: 18px 0 0;
  max-width: 36em;
  color: var(--ink-soft);
  font-size: 17px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 28px;
  align-items: center;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  border: 1px solid var(--cinnabar);
  background: var(--cinnabar);
  color: #f8f1e6;
  text-decoration: none;
  letter-spacing: 0.18em;
  font-family: var(--serif);
  font-size: 15px;
}

.btn.ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--gold-line);
}

.btn:hover { transform: translateY(-1px); }

.hero-frame {
  position: relative;
  margin-bottom: 22px;
  padding: 12px;
  background: var(--paper-2);
  border: 1px solid var(--gold-line);
  box-shadow: var(--shadow);
}

.hero-frame img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.chop {
  position: absolute;
  right: -14px;
  bottom: -18px;
  width: 72px;
  height: 72px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  place-items: center;
  border: 2px solid var(--cinnabar);
  color: var(--cinnabar);
  background: rgba(243, 236, 223, 0.92);
  font-family: var(--brush);
  font-size: 28px;
  line-height: 1;
  letter-spacing: 0;
  transform: rotate(-8deg);
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.filters { display: flex; flex-wrap: wrap; gap: 8px; }

.search { margin: 0; }

.filters button,
.search input {
  font-family: var(--serif);
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--line);
}

.filters button {
  min-height: 38px;
  padding: 0 14px;
  letter-spacing: 0.08em;
  cursor: pointer;
}

.filters button[aria-pressed="true"] {
  border-color: var(--cinnabar);
  color: var(--cinnabar);
}

.search input {
  width: min(280px, 100%);
  min-height: 40px;
  padding: 0 12px;
  outline: none;
}

.search input:focus,
.filters button:focus-visible,
.catalog-row:focus-visible,
.btn:focus-visible,
.leaf-zoom:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.volume { margin-top: 28px; }

.volume h2 {
  margin: 0 0 8px;
  font-family: var(--display);
  font-size: 28px;
  font-weight: 400;
  letter-spacing: 0.16em;
}

.volume-count {
  margin: 0 0 8px;
  color: var(--ink-soft);
  font-size: 13px;
  letter-spacing: 0.12em;
}

.catalog-row {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) auto;
  gap: 8px 16px;
  align-items: baseline;
  padding: 13px 6px;
  border-bottom: 1px solid var(--line);
  color: inherit;
  text-decoration: none;
}

.catalog-row:hover .row-title { color: var(--cinnabar); }

.seal {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--cinnabar);
  color: var(--cinnabar);
  font-size: 13px;
  letter-spacing: 0.04em;
  transform: translateY(6px);
}

.row-main {
  display: flex;
  align-items: baseline;
  gap: 12px;
  min-width: 0;
}

.row-title {
  margin: 0;
  font-family: var(--kai);
  font-size: 22px;
  font-weight: 400;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.leader {
  flex: 1;
  border-bottom: 1px dotted rgba(28, 25, 21, 0.35);
  transform: translateY(-6px);
}

.row-author {
  color: var(--ink-soft);
  font-size: 14px;
  white-space: nowrap;
}

.badge {
  color: var(--celadon);
  letter-spacing: 0.16em;
  font-size: 13px;
}

.empty {
  padding: 28px 0;
  color: var(--ink-soft);
}

.poem-head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 28px 36px;
  align-items: end;
  margin-bottom: 28px;
}

.poem-head h1 {
  font-family: var(--kai);
  font-size: clamp(42px, 6vw, 72px);
  line-height: 1;
}

.poem-author {
  margin: 12px 0 0;
  color: var(--ink-soft);
  letter-spacing: 0.18em;
}

.back {
  color: var(--ink-soft);
  text-decoration: none;
  letter-spacing: 0.14em;
  font-size: 14px;
}

.back:hover { color: var(--cinnabar); }

.sheet {
  margin: 0 0 36px;
  padding: 28px 8px 8px;
  text-align: center;
}

.sheet p {
  margin: 0 0 10px;
  font-family: var(--kai);
  font-size: clamp(22px, 3vw, 30px);
  letter-spacing: 0.12em;
  line-height: 1.9;
}

.prose {
  max-width: 42em;
  margin: 0 0 22px;
  color: var(--ink);
  font-size: 17px;
}

.glossary {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin: 0 0 42px;
  padding: 0;
  list-style: none;
}

.glossary li {
  padding: 8px 0;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 15px;
}

.glossary b {
  margin-right: 8px;
  color: var(--cinnabar);
  font-weight: 600;
}

.leaf { margin: 0 0 56px; }

.leaf .leaf-zoom { margin: 8px 0 18px; }

.leaf-zoom {
  display: block;
  width: 100%;
  padding: 12px;
  border: 1px solid var(--gold-line);
  background: var(--paper-2);
  box-shadow: var(--shadow);
  cursor: zoom-in;
}

.leaf-zoom img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.leaf-card {
  position: relative;
  margin: -42px 28px 0;
  padding: 22px 26px 8px;
  background: rgba(247, 242, 232, 0.94);
  border: 1px solid var(--gold-line);
}

.verse-no {
  margin: 0;
  color: var(--gold);
  letter-spacing: 0.22em;
  font-size: 13px;
}

.verse-text {
  margin: 4px 0 8px;
  font-family: var(--kai);
  font-size: clamp(28px, 4vw, 40px);
  letter-spacing: 0.14em;
  line-height: 1.4;
}

.verse-literal {
  margin: 0 0 8px;
  color: var(--ink);
  font-size: 18px;
}

.literal-tag {
  display: inline-block;
  margin-right: 8px;
  padding: 0 6px;
  border: 1px solid var(--cinnabar);
  color: var(--cinnabar);
  font-size: 12px;
  letter-spacing: 0.12em;
  vertical-align: 2px;
}

.verse-note {
  margin: 0 0 12px;
  color: var(--ink-soft);
}

.appreciation {
  margin-top: 12px;
  padding-top: 8px;
  border-top: 1px solid var(--line);
}

.gallery {
  display: grid;
  gap: 36px;
  margin-top: 28px;
}

.gallery-item { margin: 0; }

.gallery-item .verse-text {
  margin: 14px 0 0;
  text-align: center;
}

.appreciation h2,
.pending h2 {
  margin: 0 0 8px;
  font-family: var(--display);
  font-size: 28px;
  font-weight: 400;
  letter-spacing: 0.16em;
}

.pager {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 36px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.pager a {
  color: var(--ink);
  text-decoration: none;
  letter-spacing: 0.08em;
}

.pager a:hover { color: var(--cinnabar); }

.pending {
  margin-top: 12px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
}

.colophon {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 0 32px;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 13px;
  letter-spacing: 0.08em;
}

dialog {
  width: min(1040px, 94vw);
  padding: 0;
  border: none;
  background: transparent;
  color: #f6efe4;
  overflow: visible;
}

dialog form { margin: 0; }

dialog::backdrop { background: rgba(22, 16, 12, 0.84); }

dialog img {
  display: block;
  width: 100%;
  height: auto;
}

#lightbox-cap {
  margin: 10px 0 0;
  text-align: center;
  letter-spacing: 0.16em;
  font-family: var(--kai);
  font-size: 22px;
}

.lightbox-close {
  display: block;
  margin: 0 0 10px auto;
  padding: 6px 2px;
  border: none;
  background: transparent;
  color: #f6efe4;
  font-family: var(--serif);
  letter-spacing: 0.16em;
  cursor: pointer;
}

.leaf { animation: rise 0.7s ease both; }

@keyframes rise {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}

@media (max-width: 800px) {
  .hero,
  .poem-head { grid-template-columns: 1fr; }
  .catalog-row { grid-template-columns: 44px minmax(0, 1fr); }
  .leader { display: none; }
  .row-author, .badge { grid-column: 2; }
  .row-title { white-space: normal; }
  .leaf-card { margin: 12px 0 0; }
  .colophon { flex-direction: column; }
  .chop { right: 8px; bottom: -16px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .leaf { animation: none; }
  .btn:hover { transform: none; }
}