/* 薄荷晴绿与文章阅读版式；以独立资源维护，沿用原主题与导航。 */
html[data-theme="light"],
html[data-theme="light"] body {
  --color-accent: #237D70 !important;
  --color-accent-secondary: #39AD9C !important;
  --color-accent-rgb: 35, 125, 112 !important;
  --color-bg: #F7FCF9;
  --color-bg-soft: #F0F8F4;
  --color-bg-mute: #E5F1EB;
  --color-text: #2C3D4B;
  --color-text-primary: #2C3D4B;
  --color-text-secondary: #4F646C;
  --color-text-muted: #5D7178;
  --color-border: #BFD9D3;
  --color-border-hover: #75B8AA;
  --day-surface: rgba(247, 252, 249, 0.95);
  --day-surface-hover: rgba(247, 252, 249, 0.98);
  --day-control-bg: #237D70;
  --link-submit-widget-form-button-bg-color: var(--day-control-bg);
  --link-submit-widget-form-button-hover-bg-color: #1C695E;
  --link-submit-widget-form-button-text-color: #FFFFFF;
  --halo-cw-primary-1-color: #237D70;
  --halo-cw-primary-2-color: rgba(35, 125, 112, 0.6);
  --halo-cw-primary-3-color: rgba(35, 125, 112, 0.3);
  --halo-cw-text-1-color: #2C3D4B;
  --halo-cw-text-2-color: #237D70;
  --halo-cw-text-3-color: #4F646C;
  --halo-cw-muted-1-color: rgba(35, 125, 112, 0.14);
  --halo-cw-muted-2-color: rgba(35, 125, 112, 0.07);
  --halo-cw-muted-3-color: rgba(35, 125, 112, 0.035);
  --halo-cw-emoji-picker-rgb-color: 44, 61, 75;
  --halo-cw-emoji-picker-rgb-accent: 35, 125, 112;
  --halo-cw-emoji-picker-rgb-background: 247, 252, 249;
  --halo-cw-emoji-picker-rgb-input: 240, 248, 244;
  --halo-cw-emoji-picker-color-border: #BFD9D3;
  --halo-cw-emoji-picker-color-border-over: #75B8AA;
}

html[data-theme="light"] .serenity-capsule-header {
  --capsule-bg: var(--day-surface);
  --capsule-border: rgba(93, 143, 129, 0.2);
  --capsule-hover: #EAF5EF;
  --capsule-active: #DDEFE7;
}

html[data-theme="light"] .sidebar-widget,
html[data-theme="light"] .search-modal-content {
  background: var(--day-surface);
}

html[data-theme="light"] .sidebar-widget:hover {
  background: var(--day-surface-hover);
}

html[data-theme="light"] :is(.copyright-badge, .author-hover-overlay, .post-reward,
  .serenity-popup, .share-copy-bubble, .welcome-mascot-bubble) {
  background: var(--day-control-bg);
}

html[data-theme="light"] ::selection {
  background: #CAE8DC;
  color: #163E36;
}

/* 封面与双栏共用同一个容器内容框，边界在所有断点保持一致。 */
.serenity-reading-page {
  --reading-card-padding: clamp(20px, 2.2vw, 32px);
  --reading-card-radius: 20px;
}

.serenity-reading-page > .post-hero,
.serenity-reading-page > .post-layout {
  box-sizing: border-box;
  width: 100%;
  max-width: 100%;
  margin-left: 0;
  margin-right: 0;
}

.serenity-reading-page > .post-hero {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: flex-end;
  min-height: clamp(280px, 27vw, 360px);
  margin-top: calc(var(--header-height) + 24px);
  margin-bottom: 24px;
  border-radius: var(--reading-card-radius);
  isolation: isolate;
}

.serenity-reading-page .post-hero-overlay {
  background: linear-gradient(180deg, rgba(10, 29, 38, 0.02) 28%, rgba(10, 29, 38, 0.38) 65%, rgba(10, 29, 38, 0.8) 100%);
}

.serenity-reading-page .post-hero-bg img {
  object-position: center;
}

.serenity-reading-page .post-hero-content {
  box-sizing: border-box;
  width: 100%;
  flex: 0 1 auto;
  padding: var(--reading-card-padding);
}

.serenity-reading-page .post-hero-title {
  order: initial;
  font-size: clamp(25px, 2.5vw, 38px);
  line-height: 1.4;
  margin: 0 0 18px;
  overflow-wrap: anywhere;
  text-wrap: balance;
}

.serenity-reading-page .post-hero-details {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px 24px;
}

.serenity-reading-page .post-hero-meta {
  order: initial;
  flex: 0 1 auto;
  gap: 10px 16px;
  min-width: 0;
}

.serenity-reading-page .post-hero-meta > * {
  font-size: 13px;
  font-weight: 500;
  color: #F8FCFA;
}

.serenity-reading-page .post-hero-tags {
  position: static;
  flex: 1 1 320px;
  min-width: 0;
  padding: 0;
  justify-content: flex-end;
  gap: 8px 14px;
}

.serenity-reading-page :is(.post-hero-category-link, .post-hero-tag-link) {
  max-width: 100%;
  font-size: 13px;
  line-height: 1.5;
  color: #F8FCFA;
  overflow-wrap: anywhere;
}

.serenity-reading-page :is(.post-hero-meta, .post-hero-tags) svg {
  flex-shrink: 0;
  color: currentColor;
}

.serenity-reading-page > .post-layout {
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 24px;
  align-items: start;
}

.serenity-reading-page .post-main > .post,
.serenity-reading-page .post-sidebar .sidebar-widget {
  box-sizing: border-box;
  width: 100%;
  margin: 0;
  padding: var(--reading-card-padding) !important;
  border-radius: var(--reading-card-radius);
}

html .serenity-reading-page .post-layout > .post-main > .post:not(.has-wallpaper-bg) {
  border-radius: var(--reading-card-radius);
}

.serenity-reading-page .post.has-wallpaper-bg .wallpaper-bg-container {
  border-radius: var(--reading-card-radius);
}

.serenity-reading-page .post-sidebar {
  min-width: 0;
  padding-top: 0;
}

html[data-theme="light"] .serenity-reading-page .post-main > .post:not(.has-wallpaper-bg),
html[data-theme="light"] .serenity-reading-page .post.has-wallpaper-bg .wallpaper-bg-container {
  background: var(--day-surface);
  border-radius: var(--reading-card-radius);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

html[data-theme="light"] .serenity-reading-page .post-sidebar .sidebar-widget,
html[data-theme="light"] .serenity-reading-page .post-sidebar .sidebar-widget:hover {
  background: var(--day-surface) !important;
  border: 1px solid rgba(93, 143, 129, 0.15) !important;
}

/* 正文保留原有字体，使用可读字号与统一的段落/列表层级。 */
html .serenity-reading-page .post-content {
  font-size: 18px;
  line-height: 1.72;
  width: 100%;
  max-width: 40em !important;
  margin-left: auto;
  margin-right: auto;
  color: var(--color-text);
  overflow: visible;
  overflow-wrap: anywhere;
}

.serenity-reading-page .post-content > :first-child {
  margin-top: 0;
}

.serenity-reading-page .post-content > * + * {
  margin-top: 0.8em;
}

.serenity-reading-page .post-content :is(h1, h2, h3, h4, h5, h6) {
  line-height: 1.5;
  scroll-margin-top: 90px;
}

.serenity-reading-page .post-content h2 {
  margin: 1.4em 0 0.4em;
  padding-top: 0;
  padding-bottom: 0;
}

.serenity-reading-page .post-content h3 {
  margin: 1.2em 0 0.35em;
  padding-top: 0;
  padding-bottom: 0;
}

.serenity-reading-page .post-content h4 {
  margin: 1.1em 0 0.3em;
  padding-top: 0;
  padding-bottom: 0;
}

.serenity-reading-page .post-content > :is(h2, h3, h4):first-child {
  margin-top: 0;
}

html[data-theme="light"] .serenity-reading-page .post-content :is(h1, h2, h3) {
  color: var(--color-accent);
}

html[data-theme="light"] .serenity-reading-page .post-content .post-heading-inline::after {
  background: none;
}

html[data-theme="light"] .serenity-reading-page .post-content a {
  border-bottom-color: rgba(35, 125, 112, 0.3);
}

html[data-theme="light"] .serenity-reading-page .post-content strong {
  background: linear-gradient(to bottom, transparent 50%, rgba(57, 173, 156, 0.1) 50%);
}

.serenity-reading-page .post-content p {
  margin: 0 0 0.8em;
  line-height: inherit;
  text-align: start;
  text-indent: 0;
}

/* 首行缩进包含行内代码与公式；媒体和独立块内容保留独立对齐。 */
.serenity-reading-page .post-content > p:not(.image-caption, .caption, .footnote-definition):not(:has(img, picture, video, audio, iframe, svg, pre, .katex-display, .math.block, .math-block, .math-display, mjx-container[display="true"])) {
  text-indent: 2em;
}

.serenity-reading-page .post-content p:empty {
  display: none;
}

.serenity-reading-page .post-content :is(blockquote, .callout) p {
  margin: 0;
  text-indent: 0;
}

.serenity-reading-page .post-content :is(blockquote, .callout) p + p {
  margin-top: 0.5em;
}

.serenity-reading-page .post-content :is(ul, ol) {
  padding-left: 1.7em;
}

.serenity-reading-page .post-content li > :is(ul, ol) {
  margin-top: 0.35em;
  margin-bottom: 0.6em;
}

.serenity-reading-page .post-content li > p {
  margin-top: 0.25em;
  margin-bottom: 0.45em;
}

.serenity-reading-page .post-content li::marker {
  color: var(--color-accent);
}

.serenity-reading-page .post-content :is(figure, .image-embed) {
  max-width: 100%;
  margin: 1.5em auto;
}

.serenity-reading-page .post-content img {
  display: block;
  max-width: 100%;
  height: auto;
  max-height: none;
  object-fit: contain;
  margin: 1.4em auto;
}

.serenity-reading-page .post-content figure img {
  margin-bottom: 0.7em;
}

.serenity-reading-page .post-content :is(figcaption, .image-caption) {
  color: var(--color-text-secondary);
  font-size: 0.88em;
  line-height: 1.65;
  text-align: center;
  overflow-wrap: anywhere;
}

/* 表格由局部容器横滚，保留真实 table 的语义和居中列。 */
html .serenity-reading-page .post-content .serenity-table-scroll {
  display: block;
  box-sizing: border-box;
  width: fit-content;
  max-width: 100%;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  -webkit-overflow-scrolling: touch;
  margin: 1.6em auto;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: var(--color-bg-soft);
}

html .serenity-reading-page .post-content table {
  display: block;
  box-sizing: border-box;
  width: fit-content !important;
  max-width: 100%;
  overflow-x: auto;
  margin: 1.6em auto;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--color-bg-soft);
  color: var(--color-text);
  font-size: 0.88em;
  line-height: 1.7;
  table-layout: auto;
}

html .serenity-reading-page .post-content .serenity-table-scroll > table {
  display: table;
  min-width: 100%;
  width: auto !important;
  max-width: none;
  margin: 0;
  border: 0;
  border-radius: 0;
  overflow: visible;
}

html .serenity-reading-page .post-content :is(thead, tbody, tfoot, tr, th, td) {
  background: transparent;
  color: var(--color-text);
}

html .serenity-reading-page .post-content :is(th, td) {
  min-width: 6.5em;
  max-width: 28em;
  padding: 13px 18px;
  vertical-align: middle;
  text-align: center !important;
  border: 0;
  border-bottom: 1px solid var(--color-border);
  text-transform: none;
  letter-spacing: normal;
  overflow-wrap: break-word;
}

html .serenity-reading-page .post-content th {
  font-size: 1em;
  font-weight: 600;
}

html .serenity-reading-page .post-content th::after {
  display: none;
}

html .serenity-reading-page .post-content :is(th, td) p {
  text-align: center;
  margin: 0;
}

html .serenity-reading-page .post-content tbody tr:nth-child(n),
html .serenity-reading-page .post-content tbody tr:hover {
  background: transparent;
  transform: none;
  box-shadow: none;
}

html .serenity-reading-page .post-content tbody tr:last-child > :is(th, td) {
  border-bottom: 0;
}

/* 代码、公式各自横滚，正文宽度保持稳定。 */
html .serenity-reading-page .post-content pre,
html .serenity-reading-page .post-content pre[class*="language-"] {
  box-sizing: border-box;
  max-width: 100% !important;
  overflow-x: auto !important;
  overflow-y: hidden;
  white-space: pre !important;
  word-break: normal !important;
  overflow-wrap: normal !important;
  word-wrap: normal !important;
  padding: 18px 20px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  line-height: 1.65;
  tab-size: 4;
}

html .serenity-reading-page .post-content pre code,
html .serenity-reading-page .post-content pre[class*="language-"] code {
  white-space: pre !important;
  word-break: normal !important;
  overflow-wrap: normal !important;
  word-wrap: normal !important;
  overflow-x: visible !important;
  max-width: none !important;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 14px;
}

.serenity-reading-page .post-content :is(.katex-display, .math.block, .math-block, .math-display, mjx-container[display="true"]) {
  display: block;
  max-width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 0.5em 0;
  margin: 1.3em 0;
  overscroll-behavior-inline: contain;
}

.serenity-reading-page .post-content .katex-display > .katex {
  white-space: nowrap;
}

.serenity-reading-page .post-content .math.inline {
  display: inline-block;
  text-indent: 0;
  max-width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  vertical-align: middle;
}

.serenity-reading-page .post-content :is(.katex, mjx-container) {
  text-indent: 0;
}

.serenity-reading-page .post-content :is(blockquote, .callout) {
  max-width: 100%;
  box-sizing: border-box;
  padding: 1em 1.25em;
  border-radius: 10px;
  border-left: 3px solid var(--color-accent);
  background: color-mix(in srgb, var(--color-accent) 6%, var(--color-bg-soft));
  color: var(--color-text);
  font-style: normal;
  box-shadow: none;
}

.serenity-reading-page .post-content blockquote::before,
.serenity-reading-page .post-content blockquote::after {
  display: none;
}

.serenity-reading-page .post-content :is(.callout-title, .callout-title-inner) {
  font-weight: 600;
  color: var(--color-accent);
}

.serenity-reading-page .post-content :is(.footnotes, section[data-footnotes]) {
  max-width: 100%;
  font-size: 0.9em;
  overflow-wrap: anywhere;
}

@media (max-width: 1024px) {
  .serenity-reading-page > .post-layout { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 768px) {
  .serenity-reading-page { --reading-card-padding: 20px; --reading-card-radius: 16px; }
  .serenity-reading-page > .post-hero {
    width: 100%;
    max-width: 100%;
    min-height: 300px;
    margin: calc(var(--header-height) + 16px) 0 16px;
    border-radius: var(--reading-card-radius);
  }
  .serenity-reading-page .post-hero-title { font-size: 25px; margin-bottom: 14px; }
  .serenity-reading-page .post-hero-details { gap: 12px; }
  .serenity-reading-page .post-hero-meta { gap: 8px 12px; }
  .serenity-reading-page .post-hero-tags { flex-basis: 100%; justify-content: flex-start; gap: 6px 12px; }
  .serenity-reading-page :is(.post-hero-meta > *, .post-hero-category-link, .post-hero-tag-link) { font-size: 12px; }
  html .serenity-reading-page .post-content { font-size: 16px; line-height: 1.72; max-width: 100% !important; }
  html .serenity-reading-page .post-content :is(th, td) { padding: 11px 14px; }
  html .serenity-reading-page .post-content pre { padding: 14px; }
}