:root {
  --literature-paper: #f1ede4;
  --literature-paper-deep: #e5ded2;
  --literature-ink: #191816;
  --literature-soft: #6b645b;
  --literature-red: #963326;
  --literature-dark: #191918;
  --literature-line: rgba(25, 24, 22, 0.2);
}

/* 2026-07-18：统一非首页首屏的文字层级与版面高度 */
.literature-hero {
  min-height: 0;
  height: clamp(500px, 42vw, 620px);
  overflow: hidden;
}

.literature-hero-copy {
  padding: clamp(36px, 4.6vw, 64px) 5vw;
}

.literature-eyebrow {
  margin-bottom: clamp(22px, 2.8vw, 40px);
  font-size: 14px;
  letter-spacing: 0.15em;
}

.literature-hero h1 {
  font-size: clamp(42px, 4.2vw, 64px);
  line-height: 1.16;
  letter-spacing: 0.02em;
}

.literature-hero-lead {
  max-width: 620px;
  margin-top: clamp(22px, 2.6vw, 34px);
  font-size: clamp(16px, 1.1vw, 19px);
  line-height: 1.75;
}

.literature-hero-book {
  min-height: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 14px;
  padding: clamp(26px, 3vw, 42px) 5vw clamp(20px, 2.4vw, 32px);
  background: #171716;
}

.literature-hero-book img {
  width: min(76%, 560px);
  max-height: calc(100% - 40px);
  height: auto;
  object-fit: contain;
  object-position: center;
}

.literature-hero-book figcaption {
  position: static;
  align-self: flex-end;
  max-width: 520px;
  color: rgba(255, 255, 255, 0.78);
  background: none;
  text-shadow: none;
}

@media (max-width: 760px) {
  .literature-hero {
    height: auto;
  }

  .literature-hero-copy {
    padding: 64px 22px 46px;
  }

  .literature-hero h1 {
    font-size: clamp(40px, 11vw, 58px);
  }

  .literature-hero-book img {
    width: min(86%, 420px);
  }
}

/* 2026-07-29：文献页首屏与目录紧凑修正 */
.literature-page .literature-hero {
  isolation: isolate;
}

.literature-page .literature-hero-copy {
  z-index: 3;
}

.literature-page .literature-hero-book {
  z-index: 5;
  pointer-events: none;
}

.literature-page .literature-hero-book img {
  z-index: 6;
  opacity: 1;
  transform: translateX(2.5vw);
}

.literature-page .literature-hero-book figcaption {
  z-index: 7;
}

.literature-page .literature-index-section {
  padding-top: clamp(30px, 2.6vw, 42px);
  padding-bottom: clamp(30px, 2.6vw, 42px);
}

.literature-page .literature-index-heading {
  margin-bottom: 10px;
  padding-bottom: 12px;
}

.literature-page .literature-index-list {
  gap: 0 26px;
}

.literature-page .literature-index-list a {
  min-height: 42px;
  padding: 8px 0;
  gap: 10px;
}

.literature-page .literature-index-list strong {
  font-size: 15px;
  line-height: 1.36;
}

.literature-page .literature-index-list small {
  font-size: 12px;
}

.literature-page .literature-index-list span {
  min-width: 48px;
}

@media (min-width: 1200px) {
  .literature-page .literature-index-section {
    padding-top: 34px;
    padding-bottom: 36px;
  }
}

/* 艺术文献详情页：标题区整体下移，避免贴近顶部导航。 */
.literature-subpage .literature-detail-shell {
  padding-top: clamp(108px, 11vw, 168px);
}

@media (max-width: 720px) {
  .literature-subpage .literature-detail-shell {
    padding-top: 84px;
  }
}

/* 论文详情页：标题下方不再使用横向分割线，阅读区直接承接标题信息。 */
.literature-subpage .literature-detail-intro,
.literature-subpage .literature-magazine {
  border-top: 0;
}

.literature-subpage .literature-detail-shell h1 {
  max-width: 1080px;
  margin-right: auto;
  margin-left: auto;
  text-align: center;
  font-size: clamp(28px, 2.8vw, 44px);
}

.literature-subpage .literature-detail-meta {
  justify-content: center;
  text-align: center;
}

.literature-subpage .literature-magazine {
  padding-top: 0;
}

.literature-subpage .literature-detail-intro {
  max-width: 920px;
  margin-right: auto;
  margin-left: auto;
}

.literature-subpage .literature-detail-copy {
  max-width: 920px;
}

.literature-subpage .literature-detail-summary-line {
  max-width: 920px;
  margin: 18px auto 0;
  color: var(--literature-soft);
  font-family: var(--serif);
  font-size: clamp(17px, 1.15vw, 20px);
  line-height: 1.82;
}

.literature-subpage .literature-detail-summary-line strong {
  color: var(--literature-ink);
  font-weight: 500;
}

.literature-subpage .literature-detail-sections {
  display: block;
}

.literature-subpage .literature-detail-section {
  border-top: 0;
  padding-top: 0;
}

* {
  box-sizing: border-box;
}

.literature-page {
  margin: 0;
  overflow-x: hidden;
  background: var(--literature-paper);
  color: var(--literature-ink);
}

.literature-page img {
  display: block;
  max-width: 100%;
}

.literature-header {
  position: relative;
  z-index: 10;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  min-height: 82px;
  padding: 0 5vw;
  border-bottom: 1px solid var(--literature-line);
  background: rgba(241, 237, 228, 0.97);
}

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

.literature-brand span {
  color: var(--literature-red);
  font-size: 13px;
  letter-spacing: 0.14em;
}

.literature-brand strong {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 400;
  letter-spacing: 0.08em;
}

.literature-header nav {
  display: flex;
  justify-content: center;
  gap: clamp(18px, 2.4vw, 40px);
}

.literature-header a,
.literature-footer a {
  color: inherit;
  text-decoration: none;
}

.literature-header nav a,
.literature-back,
.literature-footer a {
  font-size: 14px;
  letter-spacing: 0.08em;
}

.literature-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(420px, 1.05fr);
  min-height: 0;
  height: clamp(440px, 48vw, 560px);
  overflow: hidden;
  background:
    radial-gradient(circle at 76% 42%, rgba(150, 51, 38, 0.1), transparent 31%),
    linear-gradient(135deg, #e9e3d8 0%, #ded6c9 100%);
  color: var(--literature-ink);
}

.literature-hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 0;
  padding: clamp(40px, 4.5vw, 72px) 5vw;
}

.literature-eyebrow,
.literature-tag {
  margin: 0;
  color: #d6a18c;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.16em;
}

.literature-hero h1 {
  margin: 26px 0 0;
  font-family: var(--serif);
  font-size: clamp(40px, 4.2vw, 64px);
  font-weight: 400;
  line-height: 1.2;
}

.literature-hero h1 em {
  color: #d6a18c;
  font-style: normal;
}

.literature-hero-lead {
  max-width: 560px;
  margin: 28px 0 0;
  color: var(--literature-soft);
  font-family: var(--serif);
  font-size: clamp(16px, 1.1vw, 19px);
  line-height: 1.7;
}

.literature-hero-book {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 0;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: transparent;
}

.literature-hero-book::after {
  content: none;
}

.literature-hero-book img {
  width: 88%;
  height: 88%;
  object-fit: contain;
  object-position: center;
  mix-blend-mode: multiply;
  opacity: 0.96;
}

.literature-hero-book figcaption {
  position: absolute;
  right: 5vw;
  bottom: 30px;
  z-index: 1;
  color: rgba(25, 24, 22, 0.72);
  font-size: 13px;
  letter-spacing: 0.12em;
}

.literature-shell {
  width: min(100%, 1600px);
  margin: 0 auto;
  padding-right: 5vw;
  padding-left: 5vw;
}

.literature-overview {
  padding-top: clamp(62px, 6vw, 94px);
  padding-bottom: clamp(68px, 6vw, 96px);
}

.literature-section-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: clamp(34px, 4vw, 58px);
}

.literature-section-heading > p:first-child {
  display: flex;
  align-items: baseline;
  gap: 18px;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(24px, 1.8vw, 30px);
}

.literature-section-heading > p:first-child span:first-child {
  color: var(--literature-red);
}

.literature-section-heading > p:last-child {
  margin: 0;
  color: var(--literature-soft);
  font-family: var(--serif);
  font-size: clamp(15px, 1.1vw, 18px);
}

.literature-overview-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  align-items: start;
}

.literature-overview-grid h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(34px, 3.4vw, 56px);
  font-weight: 400;
  line-height: 1.15;
}

.literature-overview-grid > p {
  max-width: none;
  margin: 0;
  color: var(--literature-soft);
  font-size: clamp(15px, 1.02vw, 17px);
  line-height: 1.65;
}

.literature-publications {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: clamp(30px, 3.6vw, 54px);
}

.literature-publication {
  min-height: 0;
  padding: 22px 24px;
  border-top: 1px solid var(--literature-line);
  border-bottom: 1px solid var(--literature-line);
}

.literature-publication h3 {
  margin: 46px 0 18px;
  font-family: var(--serif);
  font-size: clamp(22px, 1.8vw, 30px);
  font-weight: 400;
  line-height: 1.35;
}

.literature-publication p:last-child {
  margin: 0;
  color: var(--literature-soft);
  font-size: 15px;
  line-height: 1.8;
}

.literature-list {
  display: grid;
  gap: 7px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  color: var(--literature-soft);
  font-size: 15px;
  line-height: 1.45;
}

.literature-list li {
  position: relative;
  padding-left: 18px;
}

.literature-list li::before {
  content: "";
  position: absolute;
  top: 0.75em;
  left: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--literature-red);
}

.literature-list span {
  display: inline-block;
  min-width: 42px;
  margin-right: 8px;
  color: var(--literature-red);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.literature-reviews {
  padding: clamp(64px, 7vw, 108px) 0;
  background: var(--literature-dark);
  color: var(--literature-paper);
}

.literature-section-heading-light > p:last-child {
  color: rgba(241, 237, 228, 0.68);
}

.literature-review-notice {
  max-width: 900px;
  padding: clamp(32px, 4vw, 58px) 0;
  border-top: 1px solid rgba(241, 237, 228, 0.26);
  border-bottom: 1px solid rgba(241, 237, 228, 0.26);
}

.literature-review-notice h2 {
  margin: 28px 0 20px;
  font-family: var(--serif);
  font-size: clamp(28px, 3vw, 46px);
  font-weight: 400;
  line-height: 1.35;
}

.literature-review-notice > p:last-child {
  max-width: 760px;
  margin: 0;
  color: rgba(241, 237, 228, 0.72);
  font-size: 16px;
  line-height: 1.9;
}

.literature-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 30px 5vw;
  background: var(--literature-dark);
  color: var(--literature-paper);
  font-size: 14px;
  letter-spacing: 0.08em;
}

.literature-footer div {
  display: flex;
  gap: 28px;
}

@media (max-width: 960px) {
  .literature-header nav {
    display: none;
  }

  .literature-header {
    grid-template-columns: 1fr auto;
  }

  .literature-hero {
    grid-template-columns: 1fr 1fr;
  }

  .literature-overview-grid,
  .literature-publications {
    grid-template-columns: 1fr;
  }

}

@media (max-width: 680px) {
  .literature-header {
    min-height: 70px;
    padding: 0 22px;
  }

  .literature-brand span,
  .literature-back span {
    display: none;
  }

  .literature-brand strong {
    font-size: 17px;
  }

  .literature-back {
    font-size: 13px;
  }

  .literature-hero {
    grid-template-columns: 1fr;
    height: auto;
  }

  .literature-hero-copy {
    min-height: 360px;
    padding: 58px 22px 42px;
  }

  .literature-hero-book {
    min-height: 0;
    height: 340px;
  }

  .literature-hero-book img {
    width: 90%;
    height: 90%;
  }

  .literature-hero-book figcaption {
    right: 22px;
  }

  .literature-shell {
    padding-right: 22px;
    padding-left: 22px;
  }

  .literature-section-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 34px;
  }

  .literature-overview-grid h2 {
    font-size: 38px;
  }

  .literature-publication {
    min-height: 0;
  }

  .literature-footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 18px;
    padding: 26px 22px;
  }
}

/* 资料详情：扫描版采用可翻阅的杂志展开方式，正文与图像各自保持清晰。 */
.literature-detail-shell h1 {
  max-width: 100%;
  font-size: clamp(32px, 3.4vw, 56px);
  line-height: 1.18;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.literature-detail-intro {
  margin-top: 42px;
  border-top: 1px solid var(--literature-line);
  padding-top: 34px;
}

.literature-detail-intro .literature-detail-copy {
  max-width: 900px;
}

.literature-detail-note {
  margin-top: 34px;
}

.literature-magazine {
  margin-top: 52px;
  border-top: 1px solid var(--literature-line);
  padding-top: 28px;
}

.literature-magazine-stage {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(12px, 2vw, 28px);
  align-items: stretch;
  width: 100%;
  padding: clamp(16px, 2vw, 30px);
  background: var(--literature-paper-deep);
}

.literature-magazine-page {
  min-width: 0;
  margin: 0;
  background: var(--literature-paper);
  box-shadow: 0 14px 32px rgba(25, 24, 22, 0.14);
}

.literature-magazine-page[hidden] {
  display: none;
}

.literature-magazine-page img {
  width: 100%;
  height: min(72vh, 940px);
  object-fit: contain;
  background: var(--literature-paper);
}

.literature-magazine-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  margin-top: 24px;
}

.literature-magazine-controls button {
  border: 0;
  border-bottom: 1px solid currentColor;
  padding: 0 0 6px;
  background: transparent;
  color: var(--literature-ink);
  font: inherit;
  cursor: pointer;
}

.literature-magazine-controls button:disabled {
  color: rgba(107, 100, 91, 0.38);
  cursor: default;
}

.literature-magazine-controls span {
  min-width: 82px;
  color: var(--literature-soft);
  font-size: 13px;
  text-align: center;
  letter-spacing: 0.08em;
}

.literature-magazine-note {
  margin: 16px 0 0;
  color: var(--literature-soft);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-align: center;
}

@media (max-width: 720px) {
  .literature-detail-shell h1 {
    font-size: 28px;
  }

  .literature-detail-intro {
    margin-top: 30px;
    padding-top: 24px;
  }

  .literature-magazine {
    margin-top: 36px;
  }

  .literature-magazine-stage {
    grid-template-columns: 1fr;
    padding: 12px;
  }

  .literature-magazine-page img {
    height: auto;
    max-height: none;
  }
}

/* 文献索引与详情页：保持每个栏目约十条可见入口，完整内容放入二级页。 */
.literature-index-section {
  padding-top: 42px;
  padding-bottom: 48px;
}

.literature-index-section--tint {
  background: var(--literature-paper-deep);
}

.literature-index-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--literature-line);
  padding-bottom: 18px;
}

.literature-index-heading > div {
  display: flex;
  align-items: baseline;
  gap: 18px;
}

.literature-index-heading h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(25px, 2.2vw, 38px);
  font-weight: 400;
}

.literature-index-number {
  margin: 0;
  color: var(--literature-red);
  font-family: var(--serif);
  font-size: 20px;
}

.literature-index-heading > p:last-child {
  margin: 0;
  color: var(--literature-soft);
  font-size: 14px;
}

.literature-heading-more {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  color: var(--literature-soft);
  font-size: 14px;
  letter-spacing: 0.08em;
  text-decoration: none;
  transition: color 180ms ease;
}

.literature-heading-more span {
  color: var(--literature-red);
  font-size: 17px;
}

.literature-heading-more:hover,
.literature-heading-more:focus-visible {
  color: var(--literature-red);
}

.literature-index-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 34px;
  margin-top: 0;
}

.literature-index-list li {
  min-width: 0;
  padding: 0;
  border-bottom: 1px solid var(--literature-line);
}

.literature-index-list li::before {
  display: none;
}

.literature-index-list a {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 12px;
  min-height: 58px;
  padding: 14px 0;
  color: inherit;
  text-decoration: none;
  transition: color 180ms ease, transform 180ms ease;
}

.literature-index-list a:hover,
.literature-index-list a:focus-visible {
  color: var(--literature-red);
  transform: translateX(4px);
}

.literature-index-list strong {
  min-width: 0;
  overflow: hidden;
  color: inherit;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.55;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.literature-index-list span {
  min-width: 52px;
  margin: 0;
  color: var(--literature-red);
  font-size: 12px;
}

.literature-index-list small {
  color: var(--literature-soft);
  font-size: 13px;
  white-space: nowrap;
}

.literature-index-list em {
  display: none;
}

.literature-index-list b {
  color: var(--literature-red);
  font-size: 16px;
  font-weight: 400;
}

.literature-more {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-top: 22px;
  border-bottom: 1px solid currentColor;
  padding-bottom: 7px;
  color: var(--literature-ink);
  font-size: 14px;
  letter-spacing: 0.08em;
  text-decoration: none;
}

.literature-more span {
  color: var(--literature-red);
  font-size: 18px;
}

.literature-index-heading--light {
  border-color: rgba(241, 237, 228, 0.24);
}

.literature-index-heading--light h2,
.literature-index-heading--light > p:last-child {
  color: var(--literature-paper);
}

.literature-heading-more--light {
  color: rgba(241, 237, 228, 0.72);
}

.literature-heading-more--light span {
  color: #d6a18c;
}

.literature-index-heading--light .literature-index-number {
  color: #d6a18c;
}

.literature-reviews .literature-index-list li {
  border-color: rgba(241, 237, 228, 0.24);
}

.literature-reviews .literature-index-list strong,
.literature-reviews .literature-index-list small {
  color: var(--literature-paper);
}

.literature-reviews .literature-index-list small {
  opacity: 0.68;
}

.literature-reviews .literature-index-list span,
.literature-reviews .literature-index-list b {
  color: #d6a18c;
}

.literature-more--light {
  color: var(--literature-paper);
}

.literature-list-hero {
  padding-top: clamp(76px, 9vw, 138px);
  padding-bottom: clamp(58px, 7vw, 100px);
  border-bottom: 1px solid var(--literature-line);
}

.literature-list-hero h1 {
  margin: 22px 0 12px;
  font-family: var(--serif);
  font-size: clamp(42px, 5vw, 78px);
  font-weight: 400;
}

.literature-list-hero > p:last-child {
  margin: 0;
  color: var(--literature-soft);
  font-size: 16px;
}

.literature-full-list {
  padding-top: 46px;
  padding-bottom: 90px;
}

.literature-full-list .literature-index-list,
.literature-full-list > .literature-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 54px;
  margin: 0;
}

.literature-detail-shell {
  padding-top: clamp(76px, 9vw, 140px);
  padding-bottom: clamp(80px, 10vw, 150px);
}

.literature-detail-kicker {
  margin: 0 0 24px;
  color: var(--literature-red);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.14em;
}

.literature-detail-shell h1 {
  max-width: 1120px;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(38px, 5vw, 76px);
  font-weight: 400;
  line-height: 1.22;
}

.literature-detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin-top: 28px;
  color: var(--literature-soft);
  font-size: 15px;
}

.literature-detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.7fr);
  gap: clamp(36px, 6vw, 100px);
  align-items: start;
  margin-top: 64px;
  border-top: 1px solid var(--literature-line);
  padding-top: 42px;
}

.literature-detail-copy {
  max-width: 760px;
}

.literature-detail-label {
  margin: 0 0 14px;
  color: var(--literature-red);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.12em;
}

.literature-detail-summary,
.literature-detail-copy > p:not(.literature-detail-label):not(.literature-detail-note) {
  margin: 0 0 34px;
  color: var(--literature-soft);
  font-family: var(--serif);
  font-size: clamp(19px, 1.45vw, 25px);
  line-height: 1.85;
}

.literature-detail-sections {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px 36px;
  margin: 8px 0 34px;
}

.literature-detail-section {
  border-top: 1px solid var(--literature-line);
  padding-top: 16px;
}

.literature-detail-shell--book .literature-detail-section {
  border-top: 0;
}

.literature-detail-section h2 {
  margin: 0 0 8px;
  color: var(--literature-red);
  font-family: var(--serif);
  font-size: clamp(17px, 1.2vw, 21px);
  font-weight: 400;
  letter-spacing: 0.06em;
}

.literature-detail-section p {
  margin: 0;
  color: var(--literature-soft);
  font-family: var(--serif);
  font-size: clamp(15px, 1.05vw, 18px);
  line-height: 1.72;
}

.literature-detail-copy blockquote {
  margin: 0 0 34px;
  border-left: 2px solid var(--literature-red);
  padding-left: 20px;
  color: var(--literature-ink);
  font-family: var(--serif);
  font-size: clamp(20px, 1.6vw, 28px);
  line-height: 1.7;
}

.literature-detail-note {
  margin: 52px 0 0;
  color: var(--literature-soft);
  font-size: 13px;
  line-height: 1.7;
}

.literature-detail-scan {
  margin: 0;
}

.literature-detail-scan img {
  width: 100%;
  max-height: 720px;
  object-fit: contain;
  background: var(--literature-paper-deep);
  cursor: zoom-in;
}

.literature-detail-scan figcaption {
  margin-top: 12px;
  color: var(--literature-soft);
  font-size: 12px;
  letter-spacing: 0.08em;
}

@media (max-width: 960px) {
  .literature-index-list,
  .literature-full-list .literature-index-list,
  .literature-full-list > .literature-list {
    grid-template-columns: 1fr;
  }

  .literature-detail-layout {
    grid-template-columns: 1fr;
  }

  .literature-detail-scan {
    max-width: 520px;
  }
}

@media (max-width: 680px) {
  .literature-index-section {
    padding-top: 34px;
    padding-bottom: 38px;
  }

  .literature-index-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .literature-index-heading h2 {
    font-size: 28px;
  }

  .literature-index-list strong {
    font-size: 15px;
    white-space: normal;
  }

  .literature-index-list small,
  .literature-index-list em {
    display: none;
  }

  .literature-detail-shell h1 {
    font-size: 40px;
  }

  .literature-detail-layout {
    margin-top: 40px;
    padding-top: 30px;
  }

  .literature-detail-sections {
    grid-template-columns: 1fr;
    gap: 18px;
  }
}

/* 文章详情：文字稿与原刊扫描并列为两种阅读版本，保持版面克制、紧凑。 */
.literature-detail-shell {
  padding-top: clamp(64px, 7vw, 104px);
  padding-bottom: clamp(60px, 7vw, 108px);
}

.literature-detail-shell h1 {
  max-width: 100%;
  font-size: clamp(30px, 3.3vw, 52px);
  line-height: 1.22;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.literature-detail-kicker {
  margin-bottom: 18px;
}

.literature-detail-meta {
  margin-top: 20px;
}

.literature-detail-intro {
  margin-top: 34px;
  padding-top: 26px;
}

.literature-detail-intro--with-cover {
  display: grid;
  grid-template-columns: minmax(230px, 0.38fr) minmax(0, 1fr);
  align-items: start;
  gap: clamp(32px, 5vw, 72px);
}

.literature-book-cover {
  width: 100%;
  margin: 0;
  background: var(--literature-paper-deep);
  overflow: hidden;
}

.literature-book-cover img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 580px;
  object-fit: contain;
  object-position: center top;
}

.literature-detail-intro--with-cover .literature-detail-copy {
  max-width: none;
}

@media (max-width: 820px) {
  .literature-detail-intro--with-cover {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .literature-book-cover {
    width: min(72vw, 340px);
  }
}

.literature-format-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 32px;
  border-top: 1px solid var(--literature-line);
  border-bottom: 1px solid var(--literature-line);
  padding: 14px 0;
  color: var(--literature-soft);
  font-size: 14px;
}

.literature-format-nav span {
  margin-right: auto;
  color: var(--literature-red);
  font-weight: 600;
  letter-spacing: 0.1em;
}

.literature-format-nav a {
  color: inherit;
  text-decoration: none;
}

.literature-format-nav a:hover,
.literature-format-nav a:focus-visible {
  color: var(--literature-ink);
}

.literature-text-version,
.literature-magazine {
  scroll-margin-top: 88px;
}

.literature-text-version {
  margin-top: 38px;
}

.literature-format-heading {
  display: grid;
  grid-template-columns: minmax(90px, 0.22fr) minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 18px;
  border-bottom: 1px solid var(--literature-line);
  padding-bottom: 16px;
}

.literature-format-heading p,
.literature-format-heading h2,
.literature-format-heading span {
  margin: 0;
}

.literature-format-heading p {
  color: var(--literature-red);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.12em;
}

.literature-format-heading h2 {
  font-family: var(--serif);
  font-size: clamp(24px, 2vw, 32px);
  font-weight: 400;
  line-height: 1.25;
}

.literature-format-heading span {
  color: var(--literature-soft);
  font-size: 13px;
  letter-spacing: 0.08em;
}

.literature-article-body {
  max-width: 920px;
  margin: 24px auto 0;
  color: var(--literature-soft);
  font-family: var(--serif);
  font-size: clamp(17px, 1.15vw, 20px);
  line-height: 1.95;
}

.literature-article-body p {
  margin: 0 0 1.05em;
  text-align: justify;
  text-justify: inter-ideograph;
}

.literature-magazine {
  margin-top: 42px;
  padding-top: 0;
}

.literature-magazine .literature-format-heading {
  margin-bottom: 18px;
}

.literature-magazine-stage {
  gap: clamp(10px, 1.5vw, 22px);
  padding: clamp(12px, 1.5vw, 22px);
}

.literature-magazine-page img {
  height: min(68vh, 860px);
}

.literature-magazine-controls {
  margin-top: 16px;
}

@media (max-width: 720px) {
  .literature-detail-shell {
    padding-top: 52px;
    padding-bottom: 64px;
  }

  .literature-detail-shell h1 {
    font-size: clamp(25px, 7vw, 34px);
    white-space: normal;
  }

  .literature-format-nav {
    gap: 14px;
    font-size: 13px;
  }

  .literature-format-heading {
    grid-template-columns: 1fr auto;
    gap: 6px 14px;
  }

  .literature-format-heading p {
    grid-column: 1 / -1;
  }

  .literature-article-body {
    margin-top: 18px;
    font-size: 16px;
    line-height: 1.88;
  }

  .literature-magazine {
    margin-top: 32px;
  }

  .literature-magazine-page img {
    height: auto;
  }
}

/* 文章详情最终版：正文在前，原刊扫描在后，点击页面查看高清大图。 */
.literature-article-body {
  margin-top: 34px;
}

.literature-article-body h2 {
  margin: 2em 0 0.7em;
  color: var(--literature-ink);
  font-family: var(--serif);
  font-size: clamp(22px, 1.8vw, 30px);
  font-weight: 400;
  line-height: 1.4;
}

.literature-article-figure {
  width: min(100%, 820px);
  margin: 28px auto 34px;
}

.literature-article-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.literature-attachments {
  width: min(100%, 980px);
  margin: 38px auto 0;
  padding-top: 22px;
  border-top: 1px solid var(--literature-line);
}

.literature-attachments h2 {
  margin: 0 0 14px;
  color: var(--literature-red);
  font-size: 15px;
  letter-spacing: 0.12em;
}

.literature-attachments ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.literature-attachments a {
  color: var(--literature-ink);
  text-decoration: none;
}

.literature-magazine {
  margin-top: 48px;
  border-top: 1px solid var(--literature-line);
  padding-top: 28px;
}

.literature-magazine-stage {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: min(72vh, 820px);
  padding: clamp(14px, 2vw, 30px);
  background: #ded7cb;
}

.literature-magazine-page {
  width: min(100%, 920px);
  margin: 0;
  background: transparent;
  box-shadow: none;
}

.literature-magazine-page[hidden] {
  display: none;
}

.literature-magazine-page > button {
  display: block;
  width: 100%;
  border: 0;
  padding: 0;
  background: transparent;
  cursor: zoom-in;
}

.literature-magazine-page img {
  display: block;
  width: 100%;
  height: min(72vh, 820px);
  object-fit: contain;
  background: transparent;
  filter: drop-shadow(0 14px 22px rgba(29, 25, 20, 0.14));
}

.literature-magazine-controls {
  margin-top: 14px;
}

.literature-scan-lightbox[hidden] {
  display: none;
}

.literature-scan-lightbox {
  position: fixed;
  z-index: 9999;
  inset: 0;
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr) 72px;
  grid-template-rows: minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 58px 18px 18px;
  background: rgba(13, 13, 13, 0.96);
}

.literature-scan-lightbox > img {
  grid-column: 2;
  grid-row: 1;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.literature-scan-close,
.literature-scan-step {
  border: 1px solid rgba(255, 255, 255, 0.45);
  background: rgba(0, 0, 0, 0.28);
  color: #fff;
  cursor: pointer;
}

.literature-scan-close {
  position: absolute;
  top: 16px;
  right: 18px;
  padding: 8px 14px;
  font-size: 14px;
}

.literature-scan-step {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  font-size: 34px;
  line-height: 1;
}

.literature-scan-step--previous {
  grid-column: 1;
  grid-row: 1;
}

.literature-scan-step--next {
  grid-column: 3;
  grid-row: 1;
}

.literature-scan-lightbox [data-scan-count] {
  grid-column: 2;
  grid-row: 2;
  color: rgba(255, 255, 255, 0.82);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-align: center;
}

body.is-scan-open {
  overflow: hidden;
}

@media (max-width: 720px) {
  .literature-article-figure {
    margin: 22px auto 26px;
  }

  .literature-magazine {
    margin-top: 34px;
    padding-top: 20px;
  }

  .literature-magazine-stage {
    min-height: 0;
    padding: 10px;
  }

  .literature-magazine-page img {
    height: auto;
    max-height: 72vh;
  }

  .literature-scan-lightbox {
    grid-template-columns: 44px minmax(0, 1fr) 44px;
    gap: 4px;
    padding: 52px 4px 14px;
  }

  .literature-scan-step {
    width: 40px;
    height: 40px;
    font-size: 26px;
  }
}

/* 2026-07-18：最终覆盖——统一非首页首屏的文字格式 */
.literature-hero {
  grid-template-columns: minmax(0, 0.84fr) minmax(460px, 1.16fr);
  min-height: 0;
  height: clamp(500px, 42vw, 620px);
  overflow: hidden;
  background:
    radial-gradient(circle at 74% 46%, rgba(184, 127, 91, 0.2), transparent 35%),
    linear-gradient(90deg, #11100e 0%, #181614 48%, #211d19 100%);
  color: #f1eadf;
}

.literature-hero-copy {
  position: relative;
  z-index: 2;
  padding: clamp(36px, 4.6vw, 64px) 0 clamp(36px, 4.6vw, 64px) 5vw;
  max-width: 660px;
  transform: translateY(clamp(-34px, -2.4vw, -20px));
}

.literature-eyebrow {
  margin-bottom: clamp(22px, 2.8vw, 40px);
  color: #d7a18c;
  font-size: 14px;
  letter-spacing: 0.15em;
}

.literature-hero h1 {
  color: #f4eee4;
  font-size: clamp(36px, 3.3vw, 52px);
  line-height: 1.16;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.literature-hero h1 em {
  color: #d7a18c;
}

.literature-hero-lead {
  max-width: 760px;
  margin-top: clamp(22px, 2.6vw, 34px);
  color: rgba(241, 234, 223, 0.72);
  font-size: clamp(17px, 1.18vw, 20px);
  line-height: 1.75;
  white-space: nowrap;
}

.literature-hero-book {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  height: 100%;
  margin: 0;
  padding: clamp(30px, 4vw, 58px) 2.8vw clamp(24px, 3vw, 42px) clamp(40px, 5vw, 82px);
  overflow: visible;
  background: transparent;
}

.literature-hero-book img {
  position: relative;
  z-index: 4;
  width: min(94%, 680px);
  max-height: calc(100% - 28px);
  height: auto;
  object-fit: contain;
  object-position: center;
  filter:
    drop-shadow(0 18px 18px rgba(34, 27, 22, 0.22))
    drop-shadow(0 36px 42px rgba(34, 27, 22, 0.22));
}

.literature-hero-book figcaption {
  position: absolute;
  right: 3.2vw;
  bottom: 26px;
  max-width: 520px;
  color: rgba(241, 234, 223, 0.62);
  background: none;
  text-shadow: none;
}

@media (max-width: 760px) {
  .literature-hero {
    height: auto;
    grid-template-columns: 1fr;
  }

  .literature-hero-copy {
    padding: 64px 22px 46px;
    transform: none;
  }

  .literature-hero h1 {
    font-size: clamp(40px, 11vw, 58px);
    white-space: normal;
  }

  .literature-hero-book img {
    width: min(86%, 420px);
  }
}

/* 2026-07-29：文献页栏目背景全宽铺满，内容仍保持居中阅读宽度。 */
.literature-page main > .literature-index-section.literature-shell {
  width: 100% !important;
  max-width: none !important;
  margin-right: 0 !important;
  margin-left: 0 !important;
  padding-right: max(24px, 5vw) !important;
  padding-left: max(24px, 5vw) !important;
}

.literature-page main > .literature-index-section:not(.literature-index-section--tint):not(.literature-reviews) {
  background: var(--literature-paper);
}

.literature-page main > .literature-index-section.literature-index-section--tint {
  background: var(--literature-paper-deep);
}

.literature-page main > .literature-index-section.literature-shell > .literature-index-heading,
.literature-page main > .literature-index-section.literature-shell > .literature-index-list,
.literature-page .literature-reviews > .literature-shell {
  width: min(100%, 1320px) !important;
  max-width: 1320px !important;
  margin-right: auto !important;
  margin-left: auto !important;
}

.literature-page main > .literature-index-section.literature-shell > .literature-index-list {
  margin-top: 0 !important;
}

@media (min-width: 1800px) {
  .literature-page main > .literature-index-section.literature-shell > .literature-index-heading,
  .literature-page main > .literature-index-section.literature-shell > .literature-index-list,
  .literature-page .literature-reviews > .literature-shell {
    width: min(100%, 1380px) !important;
    max-width: 1380px !important;
  }
}

/* 2026-07-29：文献页首屏统一为一个展厅背景，书籍始终位于首层。 */
.literature-page .literature-hero {
  isolation: isolate;
  background:
    radial-gradient(ellipse 620px 360px at 72% 48%, rgba(122, 82, 54, 0.28), transparent 72%),
    radial-gradient(ellipse 620px 420px at 34% 48%, rgba(78, 52, 39, 0.2), transparent 76%),
    linear-gradient(90deg, #11100e 0%, #161310 44%, #1b1713 100%) !important;
}

.literature-page .literature-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(17, 16, 14, 0.82) 0%, rgba(17, 16, 14, 0.28) 48%, rgba(17, 16, 14, 0.08) 100%);
  pointer-events: none;
}

.literature-page .literature-hero-copy {
  z-index: 3;
}

.literature-page .literature-hero-book {
  z-index: 4;
  background: transparent !important;
}

.literature-page .literature-hero-book img {
  z-index: 6;
  mix-blend-mode: normal !important;
  opacity: 1 !important;
  filter:
    drop-shadow(0 18px 20px rgba(0, 0, 0, 0.32))
    drop-shadow(0 42px 54px rgba(0, 0, 0, 0.34)) !important;
}

/* 2026-08-01：文献页栏目列表在笔记本与宽屏上保持更均衡的密度。 */
.literature-page .literature-index-section {
  padding-top: clamp(36px, 3.2vw, 48px);
  padding-bottom: clamp(40px, 3.6vw, 54px);
}

.literature-page .literature-index-heading {
  margin-bottom: 16px;
  padding-bottom: 14px;
}

.literature-page .literature-index-heading h2 {
  font-size: clamp(22px, 1.58vw, 30px);
  line-height: 1.24;
}

.literature-page .literature-index-number {
  font-size: 18px;
}

.literature-page .literature-index-list {
  column-gap: clamp(28px, 3vw, 46px);
  row-gap: 0;
}

.literature-page .literature-index-list a {
  min-height: 64px;
  padding: 17px 0;
}

.literature-page .literature-index-list strong {
  line-height: 1.62;
}

@media (min-width: 1500px) {
  .literature-page .literature-index-section {
    padding-top: 38px;
    padding-bottom: 46px;
  }

  .literature-page .literature-index-list {
    column-gap: 40px;
  }

  .literature-page .literature-index-list a {
    min-height: 56px;
    padding: 13px 0;
  }

  .literature-page .literature-index-list strong {
    line-height: 1.48;
  }
}