:root {
  --font-body: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Baskerville, Georgia, serif;
  --font-ui: "Trebuchet MS", "Avenir Next Rounded", "Arial Rounded MT Bold", "Nunito", "Segoe UI", sans-serif;
  --color-bg: #f4f5ef;
  --color-bg-soft: rgba(255, 255, 255, 0.6);
  --color-surface: #fbfbf7;
  --color-text: #1f2924;
  --color-text-muted: #5f6d66;
  --color-text-soft: #66736d;
  --color-accent: #6f9e8c;
  --color-accent-strong: #4d7767;
  --color-border: rgba(31, 41, 36, 0.14);
  --color-border-strong: rgba(31, 41, 36, 0.22);
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 5rem;
  --space-10: 6rem;
  --radius-soft: 1rem;
  --content-width: 72rem;
  --reading-width: 44rem;
  --measure-wide: 56rem;
  --transition: 180ms ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background:
    radial-gradient(circle at top, rgba(111, 158, 140, 0.14), transparent 32%),
    linear-gradient(180deg, #f8f8f3 0%, var(--color-bg) 100%);
  line-height: 1.7;
  text-rendering: optimizeLegibility;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--color-accent-strong);
  text-decoration-thickness: 0.06em;
  text-underline-offset: 0.18em;
  transition:
    color var(--transition),
    text-decoration-color var(--transition),
    opacity var(--transition);
}

a:hover,
a:focus-visible {
  color: var(--color-accent-strong);
  text-decoration-color: var(--color-accent-strong);
}

p,
ul,
ol,
dl,
blockquote {
  margin: 0;
}

p + p,
ul + p,
p + ul,
p + ol,
ol + p,
blockquote + p {
  margin-top: var(--space-4);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.03em;
}

h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
}

h2 {
  font-size: clamp(1.4rem, 3vw, 2rem);
}

h3 {
  font-size: clamp(1.15rem, 2vw, 1.35rem);
}

strong {
  font-weight: 600;
}

hr {
  border: 0;
  border-top: 1px solid var(--color-border);
  margin: var(--space-7) 0;
}

:focus-visible {
  outline: 2px solid var(--color-accent-strong);
  outline-offset: 0.18rem;
}

.site-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.skip-link {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  padding: 0.7rem 0.95rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  color: var(--color-text);
  text-decoration: none;
  transform: translateY(-140%);
  transition: transform var(--transition);
  z-index: 20;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  padding: var(--space-5) clamp(var(--space-4), 5vw, var(--space-7)) 0;
}

.site-header__inner,
.content-wrap,
.site-footer {
  width: min(calc(100% - (2 * clamp(var(--space-4), 5vw, var(--space-7)))), var(--content-width));
  margin: 0 auto;
}

.site-header__inner {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) 0;
  border-bottom: 1px solid var(--color-border);
}

.site-brand,
.site-nav a,
.entry-layout__eyebrow,
.entry-layout__meta dt,
.site-footer {
  font-family: var(--font-ui);
}

.site-brand {
  color: var(--color-text);
  text-decoration: none;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-5);
}

.site-nav a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 1.08rem;
  font-weight: 700;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-brand:hover,
.site-brand:focus-visible {
  color: var(--color-accent-strong);
}

.site-main {
  flex: 1;
  padding: var(--space-8) 0 var(--space-9);
}

.page-rail {
  position: fixed;
  right: clamp(var(--space-4), 3vw, var(--space-6));
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  pointer-events: none;
}

.page-rail__track {
  position: relative;
  width: 0.28rem;
  height: min(48vh, 22rem);
  border-radius: 999px;
  background:
    linear-gradient(180deg, rgba(111, 158, 140, 0.2) 0%, rgba(111, 158, 140, 0.48) 100%);
  overflow: visible;
}

.page-rail__dot {
  --scroll-progress: 0;
  position: absolute;
  left: 50%;
  top: calc(var(--scroll-progress) * (100% - 1.05rem));
  width: 1.05rem;
  height: 1.05rem;
  border: 2px solid rgba(77, 119, 103, 0.35);
  border-radius: 999px;
  background: var(--color-surface);
  box-shadow: 0 0 0 0.22rem rgba(111, 158, 140, 0.18);
  transform: translate(-50%, 0);
  transition:
    top 140ms ease-out,
    box-shadow var(--transition),
    border-color var(--transition);
}

.page-rail__position {
  order: -1;
  margin: 0;
  max-width: 12rem;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--color-border-strong);
  border-radius: 0.95rem;
  background: rgba(251, 251, 247, 0.92);
  backdrop-filter: blur(14px);
  color: var(--color-text);
  font-family: var(--font-ui);
  font-size: 0.88rem;
  font-weight: 700;
  line-height: 1.45;
}

.page-layout,
.entry-layout {
  max-width: var(--measure-wide);
}

.page-layout__header,
.entry-layout__header {
  padding-bottom: var(--space-6);
  margin-bottom: var(--space-7);
  border-bottom: 1px solid var(--color-border);
}

.page-layout__header {
  max-width: var(--reading-width);
}

.page-layout__heading-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-5);
}

.page-layout__intro,
.entry-layout__meaning {
  margin-top: var(--space-4);
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: var(--color-text-muted);
  max-width: var(--reading-width);
}

.page-layout__content,
.entry-layout__body {
  max-width: var(--reading-width);
}

.page-layout__content > * + * {
  margin-top: var(--space-5);
}

.page-layout__content > h2 {
  margin-top: var(--space-8);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border);
}

.page-layout__content > h2:first-child {
  margin-top: 0;
}

.page-layout__content > ul,
.page-layout__content > ol {
  padding-left: 1.4rem;
  border-top: 1px solid var(--color-border);
}

.page-layout__content > ul li,
.page-layout__content > ol li {
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-border);
}

.page-layout__content blockquote {
  padding-left: var(--space-5);
  border-left: 2px solid var(--color-border-strong);
  color: var(--color-text-muted);
}

.page-layout__content a[href],
.entry-layout__body a[href] {
  font-weight: 600;
}

.entry-layout {
  max-width: 48rem;
}

.entry-layout__eyebrow {
  margin-bottom: var(--space-3);
  color: var(--color-text-soft);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.entry-layout__title {
  max-width: 18ch;
}

.entry-layout__title-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-3);
}

.entry-layout__phonetic-inline {
  margin: 0;
  color: var(--color-text-soft);
  font-family: var(--font-ui);
  font-size: 1.08rem;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.entry-layout__meaning {
  font-size: 1.52rem;
  line-height: 1.6;
}

.entry-layout__section {
  padding: var(--space-4) 0;
}

.entry-layout__section h2 {
  margin-bottom: var(--space-3);
}

.entry-layout__definition {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 1.18rem;
  line-height: 1.75;
}

.entry-layout__meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
  gap: var(--space-3);
}

.entry-layout__meta div {
  padding: var(--space-3);
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-soft);
}

.entry-layout__meta dt {
  margin-bottom: var(--space-2);
  font-size: 0.78rem;
  color: var(--color-text-soft);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.entry-layout__meta dd {
  margin: 0;
  font-size: 1.05rem;
}

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

.entry-layout__examples li {
  padding: 0.45rem 0;
  font-size: 1.12rem;
  line-height: 1.75;
}

.entry-layout__notes .entry-layout__body > * + * {
  margin-top: var(--space-4);
}

.entry-layout__notes .entry-layout__body,
.entry-layout__notes .entry-layout__body p,
.entry-layout__notes .entry-layout__body li {
  font-size: 1.12rem;
  line-height: 1.75;
}

.entry-layout__backlink {
  margin-top: var(--space-5);
}

.entry-list-item {
  padding: 0.12rem 0;
}

.entry-sort-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-5);
  max-width: 100%;
  margin: 0;
  font-family: var(--font-ui);
}

.entry-sort-controls__option + .entry-sort-controls__option {
  position: relative;
}

.entry-sort-controls__option + .entry-sort-controls__option::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 1px;
  height: 1rem;
  background: rgba(31, 41, 36, 0.14);
  transform: translate(-50%, -50%);
}

.entry-sort-controls__option {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: auto;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--color-text-soft);
  font-family: "Trebuchet MS", "Avenir Next Rounded", "Arial Rounded MT Bold", "Nunito", "Segoe UI", sans-serif;
  line-height: 1.2;
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition:
    color var(--transition),
    text-decoration-color var(--transition);
  text-decoration: underline;
  text-decoration-color: transparent;
  text-decoration-thickness: 0.05em;
  text-underline-offset: 0.18em;
}

.entry-sort-controls__option:hover,
.entry-sort-controls__option:focus-visible {
  color: var(--color-text-muted);
  text-decoration-color: currentColor;
}

.entry-sort-controls__option[aria-pressed="true"] {
  color: var(--color-text-soft);
  text-decoration-color: transparent;
}

.entry-sort-controls__option[aria-pressed="true"]:hover,
.entry-sort-controls__option[aria-pressed="true"]:focus-visible {
  text-decoration-color: currentColor;
}

.entry-list-item__summary,
.entry-list-item__subline {
  margin: 0;
}

.entry-list-item__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem;
  color: var(--color-text-muted);
  font-family: var(--font-ui);
  font-size: 1.14rem;
  font-weight: 600;
}

.entry-list-item__number {
  color: var(--color-text-soft);
  min-width: 2rem;
}

.entry-list-item__link {
  color: var(--color-accent-strong);
  text-decoration: none;
  font-size: 1.42rem;
  font-weight: 700;
}

.entry-list-item__link:hover,
.entry-list-item__link:focus-visible {
  color: var(--color-accent-strong);
  text-decoration: underline;
  text-decoration-thickness: 0.05em;
  text-underline-offset: 0.16em;
}

.entry-list-item__sep {
  color: var(--color-text-soft);
}

.entry-list-item__pos {
  color: #627a8e;
}

.entry-list-item__meaning-text {
  color: #8c5a47;
}

.entry-list-item__subline {
  margin-top: 0.06rem;
  padding-left: 2.35rem;
  color: var(--color-text-soft);
  font-family: var(--font-ui);
  font-size: 1.02rem;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.pronounce-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.4rem;
  height: 1.4rem;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--color-accent-strong);
  font-size: 0.95rem;
  cursor: pointer;
}

.pronounce-button:hover,
.pronounce-button:focus-visible {
  color: var(--color-text);
}

.pronounce-button.is-speaking {
  color: var(--color-text);
  transform: scale(1.08);
}

.site-footer {
  padding: 0 0 var(--space-7);
  color: var(--color-text-soft);
  font-size: 0.9rem;
}

.site-footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border);
}

.site-footer__brand,
.site-footer__meta p {
  margin: 0;
}

.site-footer__meta {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-ui);
}

.site-footer__meta--secondary {
  justify-content: flex-end;
  text-align: right;
}

.site-footer__brand,
.site-footer__meta p {
  padding: 0.48rem 0.9rem;
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
  color: var(--color-text-muted);
  font-size: 0.94rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  white-space: nowrap;
  transition:
    border-color var(--transition),
    background-color var(--transition),
    color var(--transition);
}

.site-footer__brand:hover,
.site-footer__brand:focus-within,
.site-footer__meta p:hover,
.site-footer__meta p:focus-within {
  border-color: var(--color-border-strong);
  background: rgba(255, 255, 255, 0.68);
  color: var(--color-text);
}

.site-footer__brand a {
  color: inherit;
  font-family: inherit;
}

.site-footer__meta time {
  font-variant-numeric: tabular-nums;
}

#busuanzi_container_site_pv {
  display: inline;
}

.home-page .page-layout {
  max-width: 45rem;
  margin: 0 auto;
}

.home-page .page-layout__header {
  max-width: 100%;
  margin-left: 0;
  margin-right: 0;
  text-align: center;
  border-bottom: 0;
  padding-bottom: var(--space-4);
}

.home-page .page-layout__content {
  max-width: 100%;
}

.home-page .page-layout__content > * + * {
  margin-top: 0;
}

.home-actions {
  display: grid;
  gap: var(--space-4);
  width: 100%;
  margin: 0;
  max-width: none;
}

.home-actions__link {
  width: 100%;
  display: grid;
  grid-template-columns: minmax(10rem, auto) auto;
  align-items: baseline;
  gap: var(--space-5);
  padding: var(--space-3) 0;
  text-align: left;
  text-decoration: none;
  color: inherit;
}

.home-actions__label,
.home-actions__meta {
  font-family: var(--font-ui);
}

.home-actions__label {
  font-size: clamp(1.75rem, 5vw, 3rem);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--color-accent-strong);
  text-decoration: underline;
  text-decoration-color: transparent;
  text-decoration-thickness: 0.05em;
  text-underline-offset: 0.16em;
  transition:
    color var(--transition),
    text-decoration-color var(--transition);
}

.home-actions__meta {
  display: inline-flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  justify-self: end;
  gap: var(--space-2);
  color: var(--color-text-soft);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  white-space: nowrap;
  text-align: right;
}

.home-actions__link:hover,
.home-actions__link:focus-visible {
  color: inherit;
}

.home-actions__link:hover .home-actions__label,
.home-actions__link:focus-visible .home-actions__label {
  color: var(--color-text);
  text-decoration-color: currentColor;
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

@media (max-width: 48rem) {
  h1 {
    letter-spacing: -0.04em;
  }

  .site-header {
    padding-top: var(--space-4);
  }

  .site-header__inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-main {
    padding: var(--space-7) 0 var(--space-8);
  }

  .page-layout__header,
  .entry-layout__header {
    margin-bottom: var(--space-6);
  }

  .page-layout__content > h2 {
    margin-top: var(--space-7);
  }

  .page-layout__heading-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .entry-sort-controls {
    justify-content: flex-start;
    gap: var(--space-4);
  }

  .entry-sort-controls__option + .entry-sort-controls__option::before {
    left: 50%;
  }

  .site-footer__inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .page-rail {
    right: var(--space-3);
    gap: var(--space-2);
  }

  .page-rail__track {
    height: min(40vh, 16rem);
  }

  .page-rail__position {
    max-width: 8.5rem;
    padding: 0.58rem 0.65rem;
    font-size: 0.76rem;
  }

  .site-footer__meta {
    align-items: flex-start;
    text-align: left;
  }

  .site-footer__meta--secondary {
    justify-content: flex-start;
  }

  .home-actions__link {
    flex-direction: column;
    align-items: flex-start;
  }

  .home-actions__meta {
    justify-content: flex-start;
    white-space: normal;
  }

  .entry-layout__meta {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 34rem) {
  .site-nav {
    gap: var(--space-2) var(--space-4);
  }

  .entry-sort-controls {
    display: flex;
    width: 100%;
    border-radius: var(--radius-soft);
  }

  .entry-sort-controls__option {
    flex: 1 1 11rem;
    width: 100%;
  }

  .page-layout__content > ul li,
  .page-layout__content > ol li,
  .entry-layout__examples li,
  .entry-layout__section {
    padding-top: var(--space-4);
    padding-bottom: var(--space-4);
  }
}