/* About page: story-led visual redesign. */
body.about-page .about-reading-page {
  --about-green: #07865c;
  --about-green-deep: #056b4a;
  --about-green-soft: #e7f6ef;
  --about-line: #d8e9e1;
  --about-story-h: clamp(220px, 28vh, 335px);
  --about-sidebar-h: min(650px, calc(100vh - var(--about-story-h) - 144px));
  padding: 30px 0 72px;
  background:
    radial-gradient(circle at 86% 8%, rgba(73, 179, 129, 0.12), transparent 27%),
    radial-gradient(circle at 8% 78%, rgba(94, 185, 145, 0.09), transparent 28%),
    linear-gradient(180deg, #f3faf6 0%, #edf7f1 58%, #f7fbf9 100%);
}

body.about-page .about-mobile-library,
body.about-page .about-mobile-reader {
  display: none;
}

body.about-page .about-reading-wrap {
  width: min(1320px, calc(100% - 56px));
}

body.about-page .about-reading-workspace {
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 22px;
}

body.about-page .about-reading-rail {
  grid-column: 1;
  min-width: 0;
  padding-top: calc(var(--about-sidebar-h) + 18px);
}

body.about-page .about-reading-sidebar {
  top: 102px;
  left: max(28px, calc((100% - 1320px) / 2));
  width: 300px;
  height: var(--about-sidebar-h);
  max-height: var(--about-sidebar-h);
  background: rgba(255, 255, 255, 0.94);
  border-color: var(--about-line);
  border-radius: 10px;
  box-shadow: 0 18px 46px rgba(16, 87, 57, 0.08);
  backdrop-filter: blur(14px);
}

body.about-page .about-reading-search {
  padding: 14px 15px 12px;
}

body.about-page .about-reading-search-box {
  height: 40px;
  padding: 0 13px;
  background: linear-gradient(180deg, #f8fcfa 0%, #f2f8f5 100%);
  border-color: #dbe9e2;
}

body.about-page .about-reading-search-box input {
  font-size: 12px;
}

body.about-page .about-reading-sidebar-head {
  padding: 14px 16px 12px;
}

body.about-page .about-reading-sidebar-head span,
body.about-page .about-reading-sidebar-head small,
body.about-page .about-reading-chapter.is-open .about-reading-chapter-chevron,
body.about-page .about-reading-episode:hover,
body.about-page .about-reading-episode.is-active,
body.about-page .about-reading-episode.is-active > span {
  color: var(--about-green);
}

body.about-page .about-reading-sidebar-head strong {
  font-size: 14px;
}

body.about-page .about-reading-chapter.is-open .about-reading-chapter-toggle {
  background: #f0f8f4;
}

body.about-page .about-reading-episode.is-active {
  background: #e7f5ee;
  border-left-color: #12a474;
}

body.about-page .about-reading-sidebar-foot > span {
  background: var(--about-green);
}

body.about-page .about-reading-rail-story {
  position: fixed;
  z-index: 9;
  top: calc(102px + var(--about-sidebar-h) + 18px);
  left: max(28px, calc((100% - 1320px) / 2));
  width: 300px;
  height: var(--about-story-h);
  margin: 0;
  overflow: hidden;
  background: #eaf6f0;
  border: 1px solid rgba(202, 226, 214, 0.9);
  border-radius: 10px;
  box-shadow: 0 18px 42px rgba(18, 89, 59, 0.08);
  transition: opacity 180ms ease, visibility 180ms ease;
}

body.about-page .about-reading-sidebar.is-outside + .about-reading-rail-story {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

body.about-page .about-reading-rail-story::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(234, 247, 240, 0.08));
}

body.about-page .about-reading-rail-story img {
  position: absolute;
  left: 53%;
  bottom: 0;
  display: block;
  width: 140%;
  max-width: none;
  height: auto;
  transform: translateX(-50%);
}

body.about-page .about-reading-content {
  grid-column: 2;
  padding: 22px 28px 20px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.96);
  border-color: var(--about-line);
  border-radius: 10px;
  box-shadow: 0 20px 55px rgba(22, 87, 60, 0.08);
}

body.about-page .about-series-intro {
  max-width: none;
  margin: 0;
  padding: 0 0 4px;
  border: 0;
}

body.about-page .about-series-intro-main {
  position: relative;
  min-height: 332px;
  padding: 0 0 28px;
  overflow: hidden;
  border-bottom: 1px solid var(--about-line);
}

body.about-page .about-series-hero-art {
  position: absolute;
  z-index: 0;
  right: -10px;
  bottom: -40px;
  width: min(76%, 760px);
  height: 340px;
  object-fit: contain;
  object-position: right bottom;
  pointer-events: none;
  user-select: none;
}

body.about-page .about-series-intro-label,
body.about-page .about-series-intro h1,
body.about-page .about-series-intro-lead,
body.about-page .about-series-intro-copy {
  position: relative;
  z-index: 1;
}

body.about-page .about-series-intro-label {
  min-height: 43px;
  margin: 0 0 9px;
  padding-bottom: 12px;
  color: var(--about-green);
  border-bottom: 1px solid rgba(8, 134, 92, 0.42);
  font-size: 10px;
  letter-spacing: 0.16em;
}

body.about-page .about-series-intro-label > div {
  display: flex;
  align-items: center;
  gap: 13px;
  letter-spacing: 0;
}

body.about-page .about-series-intro-label b {
  color: var(--about-green-deep);
  font-size: 11px;
}

body.about-page .about-series-intro-label em {
  color: #3a9c77;
  font-family: "Segoe Script", "Brush Script MT", cursive;
  font-size: 17px;
  font-weight: 500;
  transform: rotate(-7deg);
}

body.about-page .about-series-intro h1 {
  max-width: 720px;
  margin-top: 11px;
  color: #101c17;
  font-size: clamp(38px, 4.25vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.04em;
}

body.about-page .about-series-intro h1 .about-series-years {
  display: inline-block;
  margin-left: 4px;
  color: #008f58;
  font-size: 1.23em;
  line-height: 0.8;
  letter-spacing: -0.08em;
}

body.about-page .about-series-intro h1 .about-series-count {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  margin-left: 8px;
  padding: 0 13px;
  color: var(--about-green-deep);
  background: #e7f5ee;
  border-radius: 999px;
  font-size: 15px;
  letter-spacing: 0;
  vertical-align: middle;
}

body.about-page .about-series-intro-lead {
  margin-top: 14px;
  color: #17251e;
  font-size: 20px;
}

body.about-page .about-series-intro-copy {
  max-width: 650px;
  gap: 4px;
  margin-top: 14px;
}

body.about-page .about-series-intro-copy p,
body.about-page .about-series-intro-note p {
  color: #52675b;
  font-size: 13px;
  line-height: 1.85;
}

body.about-page .about-series-intro-note {
  margin: 0;
  padding: 25px 0 26px;
  border-top: 0;
  border-bottom: 1px solid var(--about-line);
}

body.about-page .about-series-intro-note-label {
  position: relative;
  gap: 12px;
  margin-bottom: 14px;
  padding-left: 16px;
}

body.about-page .about-series-intro-note-label::before {
  content: "";
  position: absolute;
  left: 0;
  top: 3px;
  width: 3px;
  height: 20px;
  background: #16ad78;
  border-radius: 999px;
}

body.about-page .about-series-intro-note-label span {
  width: 27px;
  height: 27px;
  color: var(--about-green);
  background: var(--about-green-soft);
}

body.about-page .about-series-intro-note-label small {
  color: #1b2d24;
  font-size: 16px;
  letter-spacing: 0;
}

body.about-page .about-series-intro-note p + p {
  margin-top: 10px;
}

body.about-page .about-contact-panel {
  max-width: none;
  margin: 0;
  padding: 24px 0 25px;
  border-top: 0;
  border-bottom: 1px solid var(--about-line);
}

body.about-page .about-contact-heading {
  gap: 3px;
  margin-bottom: 13px;
}

body.about-page .about-contact-heading small {
  color: var(--about-green);
}

body.about-page .about-contact-heading h2 {
  color: var(--about-green-deep);
  font-size: 24px;
}

body.about-page .about-contact-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

body.about-page .about-contact-card,
body.about-page .about-contact-card:nth-child(3) {
  grid-column: auto;
  display: block;
  padding: 14px;
  background: #fbfefc;
  border-color: #d8e9e1;
  box-shadow: none;
}

body.about-page .about-contact-card-head,
body.about-page .about-contact-card:nth-child(3) .about-contact-card-head {
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 10px;
  min-height: 58px;
}

body.about-page .about-contact-card-head > span {
  width: 38px;
  height: 38px;
  color: var(--about-green);
  background: var(--about-green-soft);
  font-size: 11px;
}

body.about-page .about-contact-card h3 {
  color: #17271f;
  font-size: 14px;
}

body.about-page .about-contact-qr,
body.about-page .about-contact-card:nth-child(3) .about-contact-qr {
  height: 185px;
  margin-top: 10px;
  padding: 9px;
  background: #fff;
  border-color: #e1eee7;
}

body.about-page .about-reading-closing {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 22px 2px 3px;
}

body.about-page .about-reading-closing-mark {
  height: 44px;
  color: #bcebd6;
  font-family: Georgia, serif;
  font-size: 76px;
  line-height: 1;
}

body.about-page .about-reading-closing p {
  margin: 0;
  color: #586c61;
  font-size: 12px;
  line-height: 1.75;
  font-weight: 650;
}

body.about-page .about-reading-closing-sign {
  display: grid;
  min-width: 122px;
  text-align: right;
}

body.about-page .about-reading-closing-sign strong {
  color: var(--about-green);
  font-family: "Segoe Script", "Brush Script MT", cursive;
  font-size: 24px;
  font-weight: 500;
  transform: rotate(-6deg);
}

body.about-page .about-reading-closing-sign small {
  margin-top: 4px;
  color: #36a37b;
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.26em;
}

@media (max-width: 1180px) and (min-width: 981px) {
  body.about-page .about-reading-wrap {
    width: min(1120px, calc(100% - 36px));
  }

  body.about-page .about-reading-workspace {
    grid-template-columns: 270px minmax(0, 1fr);
    gap: 18px;
  }

  body.about-page .about-reading-sidebar {
    left: 18px;
    width: 270px;
  }

  body.about-page .about-reading-rail-story {
    left: 18px;
    width: 270px;
  }

  body.about-page .about-series-intro h1 {
    font-size: 42px;
  }

  body.about-page .about-series-hero-art {
    right: -42px;
  }
}

@media (max-width: 980px) {
  body.about-page .about-reading-page {
    --about-story-h: auto;
    --about-sidebar-h: auto;
  }

  body.about-page .about-reading-wrap {
    width: min(920px, calc(100% - 36px));
  }

  body.about-page .about-reading-workspace {
    grid-template-columns: 250px minmax(0, 1fr);
  }

  body.about-page .about-reading-rail {
    padding-top: 0;
  }

  body.about-page .about-reading-sidebar {
    position: static;
    width: 100%;
    height: auto;
    max-height: none;
  }

  body.about-page .about-reading-rail-story {
    position: relative;
    z-index: auto;
    top: auto;
    left: auto;
    width: 100%;
    height: 270px;
    margin-top: 16px;
  }

  body.about-page .about-reading-content {
    padding-right: 22px;
    padding-left: 22px;
  }

  body.about-page .about-series-intro h1 {
    font-size: 38px;
  }

  body.about-page .about-series-hero-art {
    right: -150px;
    opacity: 0.72;
  }

  body.about-page .about-contact-grid {
    grid-template-columns: 1fr;
  }

  body.about-page .about-contact-card,
  body.about-page .about-contact-card:nth-child(3) {
    display: grid;
    grid-template-columns: minmax(0, 0.75fr) minmax(180px, 1.25fr);
    align-items: center;
    gap: 12px;
  }

  body.about-page .about-contact-qr,
  body.about-page .about-contact-card:nth-child(3) .about-contact-qr {
    height: 150px;
    margin-top: 0;
  }
}

@media (max-width: 720px) {
  body.about-page .about-reading-page {
    padding-top: 18px;
  }

  body.about-page .about-reading-workspace {
    display: none !important;
  }

  body.about-page .about-mobile-library,
  body.about-page .about-mobile-reader:not([hidden]) {
    display: block;
  }

  body.about-page .about-mobile-library[hidden],
  body.about-page .about-mobile-reader[hidden] {
    display: none !important;
  }

  body.about-page .about-mobile-hero {
    padding: 20px 18px 16px;
    background: linear-gradient(145deg, #ffffff 0%, #edf8f2 100%);
    border: 1px solid #dbeae3;
    border-radius: 13px;
    box-shadow: 0 14px 34px rgba(22,87,60,.07);
  }

  body.about-page .about-mobile-hero > p {
    margin: 0 0 8px;
    color: #07865c;
    font-size: 8px;
    font-weight: 900;
    letter-spacing: .18em;
  }

  body.about-page .about-mobile-hero h1 {
    margin: 0;
    color: #102019;
    font-size: 29px;
    line-height: 1.08;
    letter-spacing: -.045em;
  }

  body.about-page .about-mobile-hero h1 span { color: #07865c; }
  body.about-page .about-mobile-hero > strong { display: block; margin-top: 10px; color: #263f35; font-size: 12px; line-height: 1.5; }
  body.about-page .about-mobile-hero > small { display: block; margin-top: 5px; color: #687970; font-size: 9px; line-height: 1.6; }

  body.about-page .about-mobile-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: 14px;
    padding-top: 12px;
    border-top: 1px solid #dceae3;
  }

  body.about-page .about-mobile-stats span { display: grid; gap: 2px; text-align: center; border-right: 1px solid #dceae3; }
  body.about-page .about-mobile-stats span:last-child { border-right: 0; }
  body.about-page .about-mobile-stats b { color: #07865c; font-size: 17px; }
  body.about-page .about-mobile-stats em { color: #7a8982; font-size: 7px; font-style: normal; }

  body.about-page .about-mobile-search {
    height: 43px;
    display: flex;
    align-items: center;
    gap: 9px;
    margin-top: 12px;
    padding: 0 13px;
    color: #07865c;
    background: #fff;
    border: 1px solid #dceae3;
    border-radius: 10px;
  }

  body.about-page .about-mobile-search svg { width: 17px; height: 17px; }
  body.about-page .about-mobile-search input { min-width: 0; flex: 1; border: 0; outline: 0; color: #263b32; background: transparent; font: inherit; font-size: 11px; }

  body.about-page .about-mobile-heading { display: flex; align-items: end; justify-content: space-between; gap: 10px; margin: 20px 2px 10px; }
  body.about-page .about-mobile-heading small { color: #07865c; font-size: 7px; font-weight: 900; letter-spacing: .16em; }
  body.about-page .about-mobile-heading h2 { margin: 3px 0 0; color: #102019; font-size: 18px; }
  body.about-page .about-mobile-heading > span { color: #819087; font-size: 8px; }

  body.about-page .about-mobile-chapters { display: grid; gap: 8px; }
  body.about-page .about-mobile-chapter { overflow: hidden; background: #fff; border: 1px solid #dceae3; border-radius: 11px; }
  body.about-page .about-mobile-chapter-toggle { width: 100%; display: grid; grid-template-columns: 34px minmax(0,1fr) auto 18px; align-items: center; gap: 8px; padding: 12px; border: 0; color: inherit; background: transparent; text-align: left; }
  body.about-page .about-mobile-chapter-toggle > span:first-child { color: #07865c; font-size: 18px; font-weight: 950; font-style: italic; }
  body.about-page .about-mobile-chapter-toggle > span:nth-child(2) { display: grid; gap: 3px; min-width: 0; }
  body.about-page .about-mobile-chapter-toggle strong { font-size: 12px; }
  body.about-page .about-mobile-chapter-toggle small { overflow: hidden; color: #839087; font-size: 8px; text-overflow: ellipsis; white-space: nowrap; }
  body.about-page .about-mobile-chapter-toggle > b { color: #789087; font-size: 8px; }
  body.about-page .about-mobile-chapter-toggle > i { color: #07865c; transform: rotate(90deg); transition: transform .18s ease; }
  body.about-page .about-mobile-chapter-toggle svg { width: 15px; height: 15px; }
  body.about-page .about-mobile-chapter.is-open .about-mobile-chapter-toggle { background: #f0f8f4; }
  body.about-page .about-mobile-chapter.is-open .about-mobile-chapter-toggle > i { transform: rotate(-90deg); }
  body.about-page .about-mobile-episode-list { display: none; padding: 6px 10px 10px; }
  body.about-page .about-mobile-chapter.is-open .about-mobile-episode-list { display: grid; }
  body.about-page .about-mobile-episode-list > button { min-height: 42px; display: grid; grid-template-columns: 28px minmax(0,1fr) 17px; align-items: center; gap: 7px; padding: 6px 4px; border: 0; border-bottom: 1px solid #edf3f0; color: #2b4037; background: transparent; text-align: left; }
  body.about-page .about-mobile-episode-list > button:last-child { border-bottom: 0; }
  body.about-page .about-mobile-episode-list > button > span { color: #0a9368; font-size: 9px; font-weight: 850; }
  body.about-page .about-mobile-episode-list > button > strong { font-size: 10px; line-height: 1.45; }
  body.about-page .about-mobile-episode-list > button > i { color: #7c9188; }
  body.about-page .about-mobile-episode-list svg { width: 14px; height: 14px; }

  body.about-page .about-mobile-contact { display: grid; grid-template-columns: 34px minmax(0,1fr) 28px; align-items: center; gap: 10px; margin-top: 12px; padding: 12px; color: #244137; background: #e8f6f0; border-radius: 11px; }
  body.about-page .about-mobile-contact > span { width: 34px; height: 34px; display: grid; place-items: center; color: #07865c; background: #fff; border-radius: 50%; }
  body.about-page .about-mobile-contact svg { width: 17px; height: 17px; }
  body.about-page .about-mobile-contact div { display: grid; gap: 3px; }
  body.about-page .about-mobile-contact strong { font-size: 11px; }
  body.about-page .about-mobile-contact small { color: #71837a; font-size: 8px; line-height: 1.45; }
  body.about-page .about-mobile-contact a { color: #07865c; }

  body.about-page .about-mobile-reader { min-height: calc(100vh - 150px); padding: 14px 14px 22px; background: #fff; border: 1px solid #dceae3; border-radius: 12px; }
  body.about-page .about-mobile-reader-bar { display: flex; justify-content: space-between; gap: 10px; padding-bottom: 13px; border-bottom: 1px solid #e4eee9; }
  body.about-page .about-mobile-reader-bar button { padding: 0; border: 0; color: #07865c; background: transparent; font-size: 10px; font-weight: 850; }
  body.about-page .about-mobile-reader header { padding: 23px 1px 18px; }
  body.about-page .about-mobile-reader header small { color: #07865c; font-size: 8px; font-weight: 900; letter-spacing: .08em; }
  body.about-page .about-mobile-reader header h1 { margin: 8px 0 10px; color: #102019; font-size: 25px; line-height: 1.3; letter-spacing: -.03em; }
  body.about-page .about-mobile-reader header p { margin: 0; color: #65776e; font-size: 11px; line-height: 1.7; }
  body.about-page .about-mobile-reader-body { color: #30463c; font-size: 11px; line-height: 1.85; }
  body.about-page .about-mobile-reader-body p { margin: 0 0 16px; }
  body.about-page .about-mobile-reader-body blockquote { margin: 4px 0 17px; padding: 14px; color: #176347; background: #ecf8f2; border-left: 3px solid #079565; border-radius: 0 9px 9px 0; font-weight: 800; }
  body.about-page .about-mobile-reader-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 24px; }
  body.about-page .about-mobile-reader-nav button { min-height: 39px; border: 1px solid #b8d9cb; border-radius: 8px; color: #087a57; background: #fff; font-size: 10px; font-weight: 850; }
  body.about-page .about-mobile-reader-nav button:last-child { color: #fff; background: #07865c; border-color: #07865c; }
  body.about-page .about-mobile-reader-nav button:disabled { opacity: .35; }

  body.about-page .about-reading-page {
    padding-bottom: 14px;
  }

  body.about-page .about-reading-wrap {
    width: calc(100% - 24px);
    max-width: 620px;
  }

  body.about-page .about-reading-workspace {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }

  body.about-page .about-reading-content {
    order: 1;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }

  body.about-page .about-reading-rail {
    order: 2;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }

  body.about-page .about-reading-sidebar {
    margin-bottom: 14px;
  }

  body.about-page .about-reading-rail-story {
    height: 245px;
    margin: 0 0 14px;
  }

  body.about-page .about-reading-content {
    padding: 17px 16px 16px;
  }

  body.about-page .about-series-intro-main {
    min-height: 0;
    padding-bottom: 218px;
  }

  body.about-page .about-series-hero-art {
    right: -32px;
    bottom: -10px;
    width: 125%;
    height: 240px;
    opacity: 0.94;
  }

  body.about-page .about-series-intro-label {
    min-height: 38px;
    padding-bottom: 9px;
  }

  body.about-page .about-series-intro-label > div {
    display: none;
  }

  body.about-page .about-series-intro h1 {
    max-width: none;
    font-size: 32px;
    line-height: 1.12;
  }

  body.about-page .about-series-intro h1 .about-series-years {
    margin-left: 2px;
  }

  body.about-page .about-series-intro h1 .about-series-count {
    min-height: 29px;
    margin-left: 5px;
    padding: 0 10px;
    font-size: 12px;
  }

  body.about-page .about-series-intro-lead {
    margin-top: 12px;
    font-size: 17px;
  }

  body.about-page .about-series-intro-copy p,
  body.about-page .about-series-intro-note p {
    font-size: 12px;
    line-height: 1.75;
  }

  body.about-page .about-series-intro-note {
    padding: 20px 0;
  }

  body.about-page .about-series-intro-note-label small {
    font-size: 14px;
  }

  body.about-page .about-contact-card,
  body.about-page .about-contact-card:nth-child(3) {
    display: block;
  }

  body.about-page .about-contact-qr,
  body.about-page .about-contact-card:nth-child(3) .about-contact-qr {
    height: 210px;
    margin-top: 10px;
  }

  body.about-page .about-reading-closing {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 8px;
    padding-top: 18px;
  }

  body.about-page .about-reading-closing-mark {
    font-size: 60px;
  }

  body.about-page .about-reading-closing-sign {
    grid-column: 2;
    min-width: 0;
    margin-top: 8px;
    text-align: left;
  }
}