.reading-page {
  --reading-ink: var(--interior-ink, #ede9e0);
  --reading-muted: var(--interior-muted, #a59e91);
  --reading-line: var(--interior-line, rgba(224, 209, 183, .18));
  --reading-accent: var(--interior-accent, #dcb27b);
  --reading-surface: #100d09;
  --reading-surface-raised: #17120d;
  --reading-code: #0f0c09;
  --reading-toc: 220px;
  --reading-main: 900px;
  --reading-source: 100px;
  --reading-gap: clamp(32px, 4vw, 56px);
  --reading-panel-inset: clamp(30px, 5.7vw, 66px);
  --reading-layout-width: calc(var(--reading-toc) + var(--reading-gap) + var(--reading-main));
  position: relative;
  width: min(1332px, calc(100% - 64px));
  margin: 0 auto;
  padding: 128px 0 64px;
  color: var(--reading-ink);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  line-height: 1.7;
  text-align: left;
}

html:has(.reading-page) {
  scroll-padding-top: 0;
}

.reading-page:has(> .reading-layout--with-source),
.reading-page:has(> .reading-layout > .reading-source) {
  --reading-layout-width: calc(var(--reading-toc) + var(--reading-gap) + var(--reading-main) + var(--reading-gap) + var(--reading-source));
}

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

.reading-page ::selection {
  background: rgba(220, 178, 123, .28);
  color: #fff8ec;
}

.reading-layout {
  display: grid;
  grid-template-columns: var(--reading-toc) minmax(0, var(--reading-main));
  gap: var(--reading-gap);
  justify-content: center;
  min-width: 0;
}

.reading-layout--with-source,
.reading-layout:has(> .reading-source) {
  grid-template-columns: var(--reading-toc) minmax(0, var(--reading-main)) var(--reading-source);
}

.reading-breadcrumb {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  width: 100%;
  min-width: 0;
  margin: 0 auto 26px;
  overflow: hidden;
  color: var(--reading-muted);
  font-size: 14px;
  line-height: 1.7;
  white-space: nowrap;
}

.reading-breadcrumb::before {
  content: "";
  flex: none;
  width: max(
    calc(var(--reading-toc) + var(--reading-gap) + var(--reading-panel-inset)),
    calc((100% - var(--reading-layout-width)) / 2 + var(--reading-toc) + var(--reading-gap) + var(--reading-panel-inset))
  );
}

.reading-breadcrumb > a,
.reading-breadcrumb > span {
  min-width: 0;
}

.reading-breadcrumb > a {
  color: var(--reading-muted);
  text-decoration: none;
}

.reading-breadcrumb > a:hover {
  color: var(--reading-ink);
}

.reading-breadcrumb > span[aria-hidden="true"] {
  flex: none;
  margin: 0 9px;
  color: rgba(237, 233, 224, .28);
}

.reading-breadcrumb > span[aria-current="page"] {
  overflow: hidden;
  color: var(--reading-ink);
  text-overflow: ellipsis;
}

.reading-breadcrumb__trail {
  display: flex;
  min-width: 0;
  margin: 0 auto;
  padding: 0;
  overflow: hidden;
  color: var(--reading-muted);
  font-size: inherit;
  line-height: inherit;
  list-style: none;
  white-space: nowrap;
}

.reading-breadcrumb--stacked {
  margin-bottom: 26px;
}

.reading-breadcrumb__trail li {
  display: flex;
  min-width: 0;
  align-items: center;
}

.reading-breadcrumb__trail li + li::before {
  content: "/";
  flex: none;
  margin: 0 9px;
  color: rgba(237, 233, 224, .28);
}

.reading-breadcrumb__trail a {
  flex: none;
  color: var(--reading-muted);
  text-decoration: none;
  transition: color .16s ease;
}

.reading-breadcrumb__trail a:hover {
  color: var(--reading-ink);
}

.reading-breadcrumb__trail li:last-child {
  overflow: hidden;
}

.reading-breadcrumb__trail li:last-child span {
  overflow: hidden;
  color: var(--reading-ink);
  text-overflow: ellipsis;
}

.reading-toc {
  position: sticky;
  top: 112px;
  align-self: start;
  min-width: 0;
  padding-top: 22px;
}

.reading-toc__details {
  min-width: 0;
  max-height: calc(100vh - 134px);
  padding-top: 22px;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: rgba(224, 209, 183, .18) transparent;
}

.reading-toc > summary,
.reading-toc__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 24px;
  margin: 0;
  color: var(--reading-muted);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: .16em;
  list-style: none;
  text-transform: uppercase;
  pointer-events: none;
}

.reading-toc > summary::-webkit-details-marker,
.reading-toc__summary::-webkit-details-marker {
  display: none;
}

.reading-toc > summary::marker,
.reading-toc__summary::marker {
  content: "";
}

.reading-toc__count {
  color: rgba(165, 158, 145, .72);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 10px;
  font-weight: 400;
  letter-spacing: .04em;
}

.reading-toc > nav,
.reading-toc__nav {
  max-height: calc(100vh - 180px);
  margin-top: 18px;
  display: grid;
  gap: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: rgba(224, 209, 183, .18) transparent;
}

.reading-toc:not([open]) > nav {
  display: none;
}

.reading-toc__details:not([open]) > .reading-toc__nav {
  display: none;
}

.reading-toc > nav a,
.reading-toc__link {
  min-width: 0;
  padding: 10px 0 10px 16px;
  border-left: 1px solid rgba(224, 209, 183, .13);
  color: var(--reading-muted);
  font-size: 15px;
  line-height: 1.65;
  text-decoration: none;
  overflow-wrap: anywhere;
  transition: border-color .16s ease, color .16s ease;
}

.reading-toc > nav a[data-depth="3"] {
  padding-left: 28px;
  font-size: 14px;
}

.reading-toc__link {
  padding: 10px 0 10px 16px;
}

.reading-toc__link--child {
  padding-left: 28px;
  font-size: 11px;
}

.reading-toc > nav a:hover,
.reading-toc__link:hover {
  color: var(--reading-ink);
}

.reading-toc > nav a[aria-current="location"],
.reading-toc__link[aria-current="location"] {
  border-left-color: var(--reading-accent);
  color: var(--reading-accent);
}

.reading-toc__empty {
  margin: 20px 0 0;
  color: var(--reading-muted);
  font-size: 12px;
}

.reading-main {
  min-width: 0;
  padding: clamp(42px, 5.4vw, 68px) var(--reading-panel-inset) clamp(48px, 6vw, 76px);
  border: 0;
  border-right: 1px dashed var(--reading-line);
  border-left: 1px dashed var(--reading-line);
  border-radius: 0;
  background: var(--reading-surface);
  box-shadow: none;
}

.reading-header {
  min-width: 0;
  padding-bottom: 28px;
  border-bottom: 1px dashed var(--reading-line);
}

.reading-date {
  display: block;
  margin-bottom: 18px;
  color: var(--reading-accent);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 14px;
  line-height: 1.5;
  letter-spacing: .08em;
}

.reading-title {
  max-width: 14em;
  margin: 0;
  color: #f2ede4;
  font-family: inherit;
  font-size: clamp(38px, 4.3vw, 54px);
  font-weight: 760;
  line-height: 1.16;
  letter-spacing: -.035em;
  text-wrap: balance;
  overflow-wrap: anywhere;
}

.reading-summary {
  max-width: 690px;
  margin: 24px 0 0;
  color: var(--reading-muted);
  font-size: 15px;
  line-height: 1.9;
  text-wrap: pretty;
  overflow-wrap: anywhere;
}

.reading-header > .reading-author {
  display: flex;
  align-items: center;
  gap: 9px;
  min-width: 0;
  margin: 26px 0 0;
  color: var(--reading-ink);
  font-size: 16px;
  line-height: 1.6;
}

.reading-header > .reading-author span {
  color: var(--reading-muted);
  font-size: 13px;
  letter-spacing: .08em;
}

.reading-header > .reading-meta {
  display: flex;
  flex: none;
  align-items: center;
  justify-content: flex-start;
  gap: 12px;
  min-height: 30px;
  margin-top: 12px;
  color: var(--reading-muted);
  font-size: 14px;
  line-height: 1.5;
}

.reading-meta > button {
  min-height: 30px;
  margin: 0;
  padding: 4px 0;
  border: 0;
  border-bottom: 1px solid rgba(220, 178, 123, .45);
  border-radius: 0;
  background: transparent;
  color: var(--reading-accent);
  font: inherit;
  font-size: 14px;
  line-height: 1.5;
  cursor: pointer;
}

.reading-meta > button:hover,
.reading-meta > button.selected {
  border-bottom-color: var(--reading-accent);
  color: #f0cf9c;
}

.reading-meta > button .ico,
.reading-meta > .reading-minutes .ico {
  width: 13px;
  height: 13px;
  margin-right: 4px;
  vertical-align: -2px;
}

.reading-minutes {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
}

.reading-meta__time {
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 14px;
  letter-spacing: .04em;
  white-space: nowrap;
}

.reading-meta__copy {
  min-height: 30px;
  margin: 0;
  padding: 4px 0;
  border: 0;
  border-bottom: 1px solid rgba(220, 178, 123, .45);
  border-radius: 0;
  background: transparent;
  color: var(--reading-accent);
  font: inherit;
  font-size: 14px;
  line-height: 1.5;
  cursor: pointer;
}

.reading-meta__copy:hover {
  border-bottom-color: var(--reading-accent);
  color: #f0cf9c;
}

.reading-meta__status {
  max-width: 170px;
  color: var(--reading-accent);
  font-size: 10px;
  line-height: 1.4;
}

.reading-meta__status[data-status="error"] {
  color: #e0a18b;
}

.reading-cover {
  margin: 30px 0 0;
}

.reading-cover img {
  display: block;
  width: 100%;
  max-height: 560px;
  object-fit: cover;
  border: 1px solid var(--reading-line);
  border-radius: 2px;
}

.reading-body {
  min-width: 0;
  margin-top: 38px;
  color: #d8d1c5;
  font-size: 16px;
  line-height: 1.95;
  overflow-wrap: anywhere;
}

.reading-body > :first-child {
  margin-top: 0;
}

.reading-body > :last-child {
  margin-bottom: 0;
}

.reading-body p {
  margin: 0 0 20px;
}

.reading-body h2,
.reading-body h3,
.reading-body h4 {
  color: #f1ebe1;
  font-family: inherit;
  font-weight: 750;
  line-height: 1.35;
  letter-spacing: -.025em;
  text-wrap: balance;
  scroll-margin-top: 105px;
}

.reading-body h2 {
  margin: 58px 0 20px;
  padding-top: 28px;
  border-top: 1px dashed var(--reading-line);
  font-size: clamp(24px, 3.2vw, 32px);
}

.reading-body h3 {
  margin: 40px 0 14px;
  font-size: clamp(20px, 2.5vw, 24px);
}

.reading-body h4 {
  margin: 30px 0 12px;
  font-size: 18px;
}

.reading-body strong,
.reading-body b {
  color: #f2ede4;
  font-weight: 700;
}

.reading-body a {
  color: var(--reading-accent);
  text-decoration: underline;
  text-decoration-color: rgba(220, 178, 123, .45);
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.reading-body a:hover {
  color: #f0cf9c;
  text-decoration-color: currentColor;
}

.reading-body ul,
.reading-body ol {
  margin: 0 0 22px;
  padding-left: 1.45em;
}

.reading-body li {
  margin: 7px 0;
  padding-left: .2em;
}

.reading-body li::marker {
  color: var(--reading-accent);
}

.reading-body blockquote {
  margin: 28px 0;
  padding: 3px 0 3px 22px;
  border-left: 2px solid var(--reading-accent);
  color: var(--reading-muted);
}

.reading-body blockquote > :last-child {
  margin-bottom: 0;
}

.reading-body code,
.reading-body kbd,
.reading-body samp {
  font-family: ui-monospace, "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: .9em;
}

.reading-body :not(pre) > code {
  padding: .16em .42em;
  border: 1px solid rgba(224, 209, 183, .13);
  border-radius: 3px;
  background: rgba(255, 255, 255, .035);
  color: #ecd2aa;
  overflow-wrap: anywhere;
}

.reading-body pre {
  max-width: 100%;
  margin: 26px 0;
  padding: 20px 22px;
  overflow-x: auto;
  border: 1px solid rgba(224, 209, 183, .13);
  border-radius: 2px;
  background: var(--reading-code);
  color: #e8ddcc;
  font-size: 13px;
  line-height: 1.75;
  tab-size: 2;
  -webkit-overflow-scrolling: touch;
}

.reading-body pre code {
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font-size: inherit;
  white-space: pre;
}

.reading-body table {
  display: block;
  width: 100%;
  max-width: 100%;
  margin: 28px 0;
  overflow-x: auto;
  border-collapse: collapse;
  border-spacing: 0;
  font-size: 14px;
  line-height: 1.65;
  -webkit-overflow-scrolling: touch;
}

.reading-body th,
.reading-body td {
  min-width: 110px;
  padding: 11px 13px;
  border: 1px solid var(--reading-line);
  text-align: left;
  vertical-align: top;
}

.reading-body th {
  background: var(--reading-surface-raised);
  color: var(--reading-ink);
  font-weight: 700;
}

.reading-body img,
.reading-body video,
.reading-body iframe {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 28px auto;
  border: 1px solid var(--reading-line);
  border-radius: 2px;
}

.reading-body iframe {
  width: 100%;
}

.reading-body hr {
  height: 0;
  margin: 38px 0;
  border: 0;
  border-top: 1px dashed var(--reading-line);
}

.reading-body details {
  margin: 24px 0;
  padding: 14px 16px;
  border: 1px solid var(--reading-line);
  border-radius: 2px;
  background: var(--reading-surface-raised);
}

.reading-body summary {
  color: var(--reading-ink);
  cursor: pointer;
}

.reading-body mark {
  background: rgba(220, 178, 123, .22);
  color: inherit;
}

.reading-status {
  min-height: 160px;
  margin: 34px 0 0;
  padding: 32px 0;
  display: grid;
  place-items: center;
  border-top: 1px dashed var(--reading-line);
  color: var(--reading-muted);
  font-size: 13px;
  text-align: center;
}

.reading-status--error {
  color: #e0a18b;
}

.reading-pager {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
  margin-top: 58px;
  padding-top: 24px;
  border-top: 1px dashed var(--reading-line);
}

.reading-pager__link {
  display: grid;
  gap: 8px;
  min-width: 0;
  padding: 8px 0;
  color: var(--reading-ink);
  text-decoration: none;
}

.reading-pager__link small {
  color: var(--reading-muted);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 10px;
  font-weight: 400;
  line-height: 1.5;
  letter-spacing: .05em;
}

.reading-pager__link span {
  color: var(--reading-ink);
  font-size: 15px;
  font-weight: 650;
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.reading-pager__link:hover span {
  color: var(--reading-accent);
}

.reading-pager__link--next {
  text-align: right;
}

.reading-source {
  position: sticky;
  top: 112px;
  align-self: start;
  min-width: 0;
  padding-top: 22px;
  color: var(--reading-muted);
}

.reading-source__label {
  display: block;
  margin-bottom: 13px;
  color: rgba(165, 158, 145, .72);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 9px;
  line-height: 1.5;
  letter-spacing: .12em;
}

.reading-source > span {
  display: block;
  margin-bottom: 13px;
  color: rgba(165, 158, 145, .72);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 9px;
  line-height: 1.5;
  letter-spacing: .12em;
}

.reading-source a {
  display: flex;
  align-items: flex-start;
  gap: 5px;
  color: var(--reading-accent);
  font-size: 11px;
  line-height: 1.65;
  text-decoration: none;
  overflow-wrap: anywhere;
}

.reading-source strong {
  color: var(--reading-ink);
  font-size: 11px;
  font-weight: 500;
  line-height: 1.65;
  overflow-wrap: anywhere;
}

.reading-source a:hover {
  color: #f0cf9c;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.reading-source a span:last-child {
  flex: none;
}

.reading-page :is(a, button, summary, input, textarea, select):focus-visible {
  outline: 2px solid var(--reading-accent);
  outline-offset: 4px;
}

@media (max-width: 1100px) {
  .reading-page {
    --reading-gap: 32px;
  }

  .reading-main {
    padding-right: 44px;
    padding-left: 44px;
  }

  .reading-page {
    --reading-panel-inset: 44px;
  }
}

@media (max-width: 1000px) {
  .reading-page {
    width: min(900px, calc(100% - 40px));
    padding-top: 104px;
  }

  .reading-layout {
    display: block;
  }

  .reading-breadcrumb {
    display: flex;
    width: 100%;
    padding-left: 0;
    margin-bottom: 18px;
  }

  .reading-breadcrumb::before {
    display: none;
  }

  .reading-toc {
    position: static;
    margin-bottom: 18px;
    padding-top: 0;
  }

  .reading-toc__details {
    max-height: none;
    padding-top: 0;
    overflow: visible;
    border-top: 1px solid var(--reading-line);
    border-bottom: 1px solid var(--reading-line);
  }

  .reading-toc {
    border-top: 1px solid var(--reading-line);
    border-bottom: 1px solid var(--reading-line);
  }

  .reading-toc__details {
    border: 0;
  }

  .reading-toc > summary,
  .reading-toc__summary {
    min-height: 52px;
    padding: 0 2px;
    pointer-events: auto;
    cursor: pointer;
  }

  .reading-toc > summary::after,
  .reading-toc__summary::after {
    content: "+";
    flex: none;
    color: var(--reading-accent);
    font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
    font-size: 18px;
    font-weight: 400;
    letter-spacing: 0;
  }

  .reading-toc[open] > summary::after,
  .reading-toc__details[open] .reading-toc__summary::after {
    content: "-";
  }

  .reading-toc > nav,
  .reading-toc__nav {
    max-height: min(52vh, 420px);
    margin: 0;
    padding: 4px 0 15px;
  }

  .reading-toc > nav a,
  .reading-toc__link,
  .reading-toc__link--child {
    padding: 9px 18px;
  }

  .reading-toc > nav a[data-depth="3"] {
    padding-left: 28px;
  }

  .reading-toc__empty {
    margin: 0;
    padding: 2px 2px 17px;
  }

  .reading-source {
    position: static;
    margin-top: 18px;
    padding-top: 16px;
    border-top: 1px dashed var(--reading-line);
  }

  .reading-source__label {
    margin-bottom: 6px;
  }
}

@media (max-width: 640px) {
  .reading-page {
    width: calc(100% - 24px);
    padding-top: 88px;
    padding-bottom: 36px;
  }

  .reading-breadcrumb {
    margin-bottom: 14px;
  }

  .reading-breadcrumb__trail {
    font-size: 10px;
  }

  .reading-breadcrumb__trail li + li::before {
    margin: 0 6px;
  }

  .reading-main {
    padding: 32px 20px 40px;
  }

  .reading-toc {
    margin-bottom: 14px;
  }

  .reading-title {
    font-size: clamp(34px, 10.5vw, 44px);
    line-height: 1.2;
    letter-spacing: -.045em;
  }

  .reading-summary {
    margin-top: 18px;
    font-size: 14px;
    line-height: 1.85;
  }

  .reading-header > .reading-meta {
    flex-wrap: wrap;
    gap: 10px 14px;
    margin-top: 10px;
  }

  .reading-header > .reading-author {
    margin-top: 20px;
  }

  .reading-meta__status {
    max-width: none;
  }

  .reading-header {
    padding-bottom: 23px;
  }

  .reading-date {
    margin-bottom: 14px;
  }

  .reading-cover {
    margin-top: 23px;
  }

  .reading-body {
    margin-top: 30px;
    font-size: 15px;
    line-height: 1.9;
  }

  .reading-body h2 {
    margin-top: 46px;
    padding-top: 23px;
  }

  .reading-body pre {
    margin-right: -6px;
    margin-left: -6px;
    padding: 17px 15px;
    font-size: 12px;
  }

  .reading-body th,
  .reading-body td {
    min-width: 96px;
    padding: 9px 10px;
  }

  .reading-pager {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
    margin-top: 44px;
  }

  .reading-pager__spacer {
    display: none;
  }

  .reading-pager__link--next {
    padding-top: 18px;
    border-top: 1px dashed var(--reading-line);
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  .reading-page,
  .reading-page *,
  .reading-page *::before,
  .reading-page *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}