:root {
  --ai-paper: #f7f4ee;
  --ai-paper-bright: #fbfaf6;
  --ai-ink: #282a2d;
  --ai-muted: #72726c;
  --ai-faint: #9a978f;
  --ai-line: #d7d1c7;
  --ai-line-dark: #bfb7aa;
  --ai-rust: #a5522d;
  --ai-rust-soft: #efe1d7;
  --ai-olive: #7e8053;
  --ai-indigo: #293047;
  --ai-green: #536b5c;
}

html[data-theme="light"] body.academic-index-page {
  color: var(--ai-ink);
  background: var(--ai-paper);
}

.academic-index-page main { overflow: clip; }
.academic-index-page .resource-flow-screen { min-height: 100vh; background: var(--ai-paper); }
.academic-index-page .resource-flow-screen::before { display: none; }
.academic-index-page .site-header { border-bottom-color: rgba(83, 77, 68, .18); background: rgba(250, 248, 243, .96); }
.academic-index-page .site-header .header-inner { max-width: 1440px; }
.academic-index-page .site-header .header-actions { display: none; }
.academic-index-page button,
.academic-index-page input,
.academic-index-page select { font-family: inherit; }
.academic-index-page button:focus-visible,
.academic-index-page a:focus-visible,
.academic-index-page input:focus-visible,
.academic-index-page select:focus-visible,
.academic-index-page summary:focus-visible { outline: 2px solid var(--ai-rust); outline-offset: 3px; }

.academic-index-page .ad-index-desk {
  display: grid;
  width: min(100%, 1440px);
  min-height: calc(100vh - 76px);
  margin: 0 auto;
  grid-template-columns: 300px minmax(0, 1fr);
  border-inline: 1px solid rgba(83, 77, 68, .08);
}

.academic-index-page .ad-index-sidebar {
  position: relative;
  min-width: 0;
  padding: 50px 34px 72px;
  border-right: 1px solid var(--ai-line);
  background: rgba(249, 247, 242, .62);
}

.academic-index-page .ad-index-sidebar-head { display: grid; gap: 8px; padding: 0 0 30px; border-bottom: 1px solid var(--ai-line-dark); }
.academic-index-page .ad-index-sidebar-head strong { font-size: 25px; font-weight: 720; letter-spacing: .08em; }
.academic-index-page .ad-index-sidebar-head span { color: var(--ai-muted); font-size: 14px; letter-spacing: .12em; }
.academic-index-page .ad-index-sidebar section { padding: 26px 0; border-bottom: 1px solid var(--ai-line); }
.academic-index-page .ad-index-side-title { display: flex; min-height: 28px; align-items: center; justify-content: space-between; gap: 16px; }
.academic-index-page .ad-index-side-title h2 { margin: 0; font-size: 15px; font-weight: 720; letter-spacing: .03em; }
.academic-index-page .ad-index-side-title > button { display: inline-flex; min-height: 32px; align-items: center; gap: 5px; padding: 0; border: 0; color: var(--ai-muted); background: transparent; font-size: 12px; cursor: pointer; }
.academic-index-page .ad-index-side-title > button:hover { color: var(--ai-rust); }
.academic-index-page .ad-index-side-title > button img { width: 15px; height: 15px; }

.academic-index-page .ad-index-scope .ad-literature-tools { display: grid; grid-template-columns: 1fr; gap: 0; margin: 12px 0 0; }
.academic-index-page .ad-index-scope .ad-literature-tools label {
  display: grid;
  min-height: 44px;
  align-items: center;
  grid-template-columns: 18px 72px minmax(0, 1fr);
  gap: 8px;
  border-bottom: 1px solid rgba(191, 183, 170, .52);
  color: var(--ai-muted);
}
.academic-index-page .ad-index-scope .ad-literature-tools label > img { width: 16px; height: 16px; opacity: .75; }
.academic-index-page .ad-index-scope .ad-literature-tools label > span { font-size: 12px; }
.academic-index-page .ad-index-scope .ad-literature-tools select {
  width: 100%; min-width: 0; height: 43px; padding: 0 20px 0 0; border: 0; outline: 0;
  color: var(--ai-ink); background: transparent; font-size: 13px; font-weight: 650; cursor: pointer;
}

.academic-index-page .ad-nebula-labels { display: grid; gap: 0; margin-top: 16px; }
.academic-index-page .ad-nebula-labels button {
  display: grid; min-height: 34px; align-items: center; grid-template-columns: 18px 1fr; gap: 8px;
  padding: 0 8px; border: 0; border-left: 2px solid transparent; color: var(--ai-muted); background: transparent;
  font-size: 12px; text-align: left; cursor: pointer; transition: color .2s ease, background .2s ease, border-color .2s ease;
}
.academic-index-page .ad-nebula-labels button:first-child { border-left-color: var(--ai-rust); color: var(--ai-ink); background: rgba(165, 82, 45, .055); }
.academic-index-page .ad-nebula-labels button:hover { color: var(--ai-rust); background: rgba(165, 82, 45, .045); }
.academic-index-page .ad-nebula-labels img { width: 14px; height: 14px; opacity: .62; }

.academic-index-page .ad-search-memory { display: block; margin: 0; padding: 26px 0; border: 0; border-bottom: 1px solid var(--ai-line); border-radius: 0; background: transparent; box-shadow: none; }
.academic-index-page .ad-search-memory-status { display: block; margin: 10px 0 2px; color: var(--ai-faint); font-size: 11px; line-height: 1.5; }
.academic-index-page .ad-search-memory-status[data-state="new"] { color: var(--ai-rust); }
.academic-index-page .ad-search-presets { display: grid; gap: 3px; margin-top: 10px; }
.academic-index-page .ad-search-preset { display: grid; grid-template-columns: minmax(0, 1fr) 28px; align-items: center; }
.academic-index-page .ad-search-preset > button:first-child { display: grid; gap: 2px; padding: 8px; border: 0; color: var(--ai-ink); background: transparent; text-align: left; cursor: pointer; }
.academic-index-page .ad-search-preset > button:first-child small { color: var(--ai-faint); }
.academic-index-page .ad-search-preset > button:last-child { width: 28px; height: 28px; padding: 7px; border: 0; background: transparent; cursor: pointer; opacity: .5; }
.academic-index-page .ad-search-preset img { width: 100%; height: 100%; }
.academic-index-page .ad-search-preset-empty { color: var(--ai-faint); font-size: 11px; line-height: 1.65; }

.academic-index-page .ad-flow-workspace { margin: 0; border-radius: 0; background: transparent; }
.academic-index-page .ad-flow-workspace-actions { display: grid; gap: 2px; margin-top: 10px; }
.academic-index-page .ad-flow-workspace-actions button {
  display: grid; min-height: 40px; align-items: center; grid-template-columns: 18px 1fr auto; gap: 10px;
  padding: 0 8px; border: 0; color: var(--ai-ink); background: transparent; font-size: 12px; text-align: left; cursor: pointer;
}
.academic-index-page .ad-flow-workspace-actions button:hover { color: var(--ai-rust); background: rgba(165, 82, 45, .045); }
.academic-index-page .ad-flow-workspace-actions img { width: 16px; height: 16px; }
.academic-index-page .ad-flow-workspace-actions small { color: var(--ai-faint); }
.academic-index-page .ad-index-side-note { display: grid; grid-template-columns: 20px 1fr; gap: 10px; margin: 56px 0 0; color: var(--ai-faint); font-size: 11px; line-height: 1.6; }
.academic-index-page .ad-index-side-note img { width: 19px; height: 19px; opacity: .72; }

.academic-index-page .academic-discovery-main { min-width: 0; padding: 48px 62px 92px; background: var(--ai-paper-bright); }
.academic-index-page .ad-index-heading { display: flex; min-height: 68px; align-items: flex-start; justify-content: space-between; gap: 32px; }
.academic-index-page .ad-index-heading h1 { margin: 0; color: var(--ai-ink); font-size: 30px; font-weight: 730; line-height: 1.2; letter-spacing: .08em; }
.academic-index-page .ad-index-heading p { margin: 8px 0 0; color: var(--ai-muted); font-size: 13px; letter-spacing: .04em; }
.academic-index-page .ad-index-heading time { display: inline-flex; align-items: center; gap: 8px; margin-top: 12px; color: var(--ai-muted); font-size: 12px; white-space: nowrap; }
.academic-index-page .ad-index-heading time img { width: 15px; height: 15px; }

.academic-index-page .ad-flow-command { padding: 0; border: 0; border-radius: 0; background: transparent; box-shadow: none; }
.academic-index-page .ad-editorial-search {
  position: relative; display: grid; min-height: 48px; grid-template-columns: 88px minmax(0, 1fr) 142px; align-items: stretch;
  margin-top: 16px; border: 1px solid #87857f; background: #fff;
}
.academic-index-page .ad-editorial-search > label { position: relative; display: flex; align-items: center; justify-content: center; gap: 10px; border-right: 1px solid var(--ai-line); font-size: 13px; }
.academic-index-page .ad-editorial-search > label img { width: 14px; height: 14px; }
.academic-index-page .ad-search-field-selector select { width: 100%; height: 100%; padding: 0 30px 0 18px; border: 0; outline: 0; color: var(--ai-ink); background: transparent; font: inherit; cursor: pointer; appearance: none; }
.academic-index-page .ad-search-field-selector > img { position: absolute; right: 14px; pointer-events: none; }
.academic-index-page .ad-editorial-search input { min-width: 0; padding: 0 20px; border: 0; outline: 0; color: var(--ai-ink); background: transparent; font-size: 14px; }
.academic-index-page .ad-editorial-search input::placeholder { color: #a29e97; }
.academic-index-page .ad-editorial-search button { border: 0; font-size: 13px; cursor: pointer; }
.academic-index-page .ad-editorial-search button[type="reset"] { position: absolute; top: 0; right: 142px; bottom: 0; display: inline-flex; align-items: center; gap: 5px; padding: 0 12px; color: var(--ai-muted); background: #fff; }
.academic-index-page .ad-editorial-search button[type="reset"][hidden] { display: none; }
.academic-index-page .ad-editorial-search button[type="reset"] img { width: 14px; height: 14px; }
.academic-index-page .ad-editorial-search button[type="submit"] { display: inline-flex; align-items: center; justify-content: center; gap: 9px; color: #fff; background: var(--ai-indigo); font-weight: 680; letter-spacing: .06em; transition: background .2s ease, transform .2s ease; }
.academic-index-page .ad-editorial-search button[type="submit"]:hover { background: #343c58; }
.academic-index-page .ad-editorial-search button[type="submit"]:active { transform: translateY(1px); }
.academic-index-page .ad-editorial-search button[type="submit"] img { width: 16px; height: 16px; filter: brightness(0) invert(1); }

.academic-index-page .ad-index-search-fields { display: flex; min-height: 54px; align-items: center; gap: 34px; padding: 0 8px; border-bottom: 1px solid var(--ai-line); }
.academic-index-page .ad-index-search-fields button,
.academic-index-page .ad-index-search-fields a { display: inline-flex; min-height: 36px; align-items: center; gap: 8px; padding: 0 8px; border: 0; border-radius: 9px; color: var(--ai-muted); background: transparent; font-size: 12px; text-decoration: none; cursor: pointer; }
.academic-index-page .ad-index-search-fields .ad-advanced-search-toggle { margin-left: auto; }
.academic-index-page .ad-index-search-fields img { width: 14px; height: 14px; }
.academic-index-page .ad-index-search-fields button:hover,
.academic-index-page .ad-index-search-fields a:hover,
.academic-index-page .ad-index-search-fields button[aria-pressed="true"],
.academic-index-page .ad-index-search-fields .ad-advanced-search-toggle[aria-expanded="true"] { color: var(--ai-rust); background: rgba(165, 82, 45, .065); }
.academic-index-page .ad-advanced-search {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)) auto; gap: 12px; align-items: end;
  padding: 15px 16px 17px; border-bottom: 1px solid var(--ai-line); background: #fbfcfb;
  animation: adAdvancedIn 240ms var(--rh-ease) both;
}
.academic-index-page .ad-advanced-search[hidden] { display: none; }
.academic-index-page .ad-advanced-search label { display: grid; gap: 7px; color: var(--ai-muted); font-size: 10px; }
.academic-index-page .ad-advanced-search input { min-width: 0; min-height: 40px; padding: 0 12px; border: 1px solid var(--ai-line); border-radius: 10px; outline: 0; color: var(--ai-ink); background: #fff; font: inherit; font-size: 12px; }
.academic-index-page .ad-advanced-search input:focus { border-color: color-mix(in srgb, var(--ai-rust) 46%, var(--ai-line)); box-shadow: 0 0 0 3px rgba(165,82,45,.07); }
.academic-index-page .ad-advanced-search > div { display: flex; gap: 7px; }
.academic-index-page .ad-advanced-search button { display: inline-flex; min-height: 40px; align-items: center; gap: 7px; padding: 0 13px; border: 0; border-radius: 10px; color: var(--ai-muted); background: #eef1ee; font-size: 11px; cursor: pointer; }
.academic-index-page .ad-advanced-search button:last-child { color: #fff; background: var(--ai-rust); }
.academic-index-page .ad-advanced-search button img { width: 14px; height: 14px; }
.academic-index-page .ad-advanced-search button:last-child img { filter: brightness(0) invert(1); }
@keyframes adAdvancedIn { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }

.academic-index-page .ad-mode-tabs { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0; margin: 0; padding: 0; border: 0; border-bottom: 1px solid var(--ai-line); border-radius: 0; background: transparent; box-shadow: none; }
.academic-index-page .ad-mode-tabs button {
  position: relative; display: flex; min-height: 62px; align-items: center; justify-content: center; gap: 10px;
  padding: 0 12px; border: 0; color: #545550; background: transparent; font-size: 14px; cursor: pointer;
}
.academic-index-page .ad-mode-tabs button::after { position: absolute; right: 0; bottom: -1px; left: 0; height: 3px; background: transparent; content: ""; }
.academic-index-page .ad-mode-tabs button[aria-pressed="true"] { color: var(--ai-rust); font-weight: 720; }
.academic-index-page .ad-mode-tabs button[aria-pressed="true"]::after { background: var(--ai-rust); }
.academic-index-page .ad-mode-tabs img { width: 18px; height: 18px; }
.academic-index-page .ad-mode-tabs small { color: var(--ai-faint); font-size: 10px; }

.academic-index-page .ad-literature { padding: 0; }
.academic-index-page .ad-literature-head { display: flex; min-height: 74px; align-items: center; justify-content: space-between; gap: 26px; padding: 0; border-bottom: 1px solid var(--ai-line); }
.academic-index-page .ad-literature-head > div:first-child { display: flex; min-width: 0; align-items: baseline; gap: 22px; }
.academic-index-page .ad-literature-head h2 { margin: 0; color: var(--ai-ink); font-size: 20px; font-weight: 730; letter-spacing: .05em; }
.academic-index-page .ad-literature-head strong { color: var(--ai-faint); font-size: 12px; font-weight: 520; }
.academic-index-page .ad-literature-head strong span { color: var(--ai-rust); font-size: 14px; font-weight: 720; }
.academic-index-page .ad-literature-head [data-ap-window] { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.academic-index-page .ad-literature-summary { display: flex; min-width: 0; align-items: center; gap: 18px; padding: 0; border: 0; border-radius: 0; background: transparent; }
.academic-index-page .ad-literature-summary > span { max-width: 350px; overflow: hidden; color: var(--ai-muted); font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }
.academic-index-page .ad-literature-summary button { display: inline-flex; min-height: 34px; align-items: center; gap: 7px; padding: 0 2px; border: 0; border-bottom: 1px solid var(--ai-line-dark); color: var(--ai-ink); background: transparent; font-size: 12px; cursor: pointer; }
.academic-index-page .ad-literature-summary button:hover { color: var(--ai-rust); border-color: var(--ai-rust); }
.academic-index-page .ad-literature-summary button img { width: 14px; height: 14px; }

.academic-index-page .ad-paper-source-state { display: none; }
.academic-index-page .ad-paper-source-state strong { color: var(--ai-muted); font-weight: 650; }
.academic-index-page .ad-paper-source-state span { display: inline-flex; align-items: center; gap: 5px; }
.academic-index-page .ad-paper-source-state i { width: 5px; height: 5px; border-radius: 50%; background: var(--ai-green); }
.academic-index-page .ad-paper-source-state small { color: var(--ai-ink); }
.academic-index-page .ad-paper-source-state em { margin-left: auto; overflow: hidden; text-overflow: ellipsis; font-style: normal; }
.academic-index-page .ad-paper-status { margin: 0; padding: 12px 0; border-bottom: 1px solid var(--ai-line); color: var(--ai-muted); font-size: 12px; }
.academic-index-page .ad-paper-status[data-state="error"] { color: #a13f2d; }

.academic-index-page .ad-flow-feature { border-bottom: 1px solid var(--ai-line); }
.academic-index-page .ad-nebula-preview { display: grid; min-width: 0; grid-template-columns: 62px minmax(0, 1fr); padding: 18px 0 0; }
.academic-index-page .ad-feature-index { padding: 0 0 0 10px; color: var(--ai-rust); font-family: Georgia, "Times New Roman", serif; font-size: 34px; font-style: italic; line-height: 1.2; }
.academic-index-page .ad-feature-paper { min-width: 0; }
.academic-index-page .ad-feature-source { display: flex; min-height: 24px; align-items: center; gap: 15px; color: var(--ai-muted); font-size: 11px; }
.academic-index-page .ad-feature-source strong { color: var(--ai-rust); }
.academic-index-page .ad-feature-source span:nth-of-type(1) { color: var(--ai-olive); }
.academic-index-page .ad-feature-source code { font: inherit; }
.academic-index-page .ad-feature-paper h2 { max-width: none; margin: 8px 0 0; color: var(--ai-ink); font-size: 21px; font-weight: 720; line-height: 1.42; letter-spacing: -.015em; }
.academic-index-page .ad-feature-paper h2.is-long-title { font-size: 20px; }
.academic-index-page .ad-editorial-original { margin: 8px 0 0; color: var(--ai-muted); font-size: 13px; line-height: 1.6; }
.academic-index-page .ad-editorial-original span { margin-right: 10px; color: var(--ai-rust); font-size: 11px; }
.academic-index-page .ad-editorial-provenance { display: flex; flex-wrap: wrap; gap: 8px 34px; margin-top: 18px; color: var(--ai-muted); font-size: 11px; }
.academic-index-page .ad-editorial-provenance strong { color: var(--ai-muted); font-weight: 520; }
.academic-index-page .ad-editorial-abstract { display: -webkit-box; max-width: 100%; margin: 18px 0 0; overflow: hidden; color: #545651; font-size: 13px; line-height: 1.9; -webkit-box-orient: vertical; -webkit-line-clamp: 4; }
.academic-index-page .ad-editorial-abstract strong { color: var(--ai-ink); }
.academic-index-page .ad-nebula-preview-actions { display: flex; flex-wrap: wrap; margin-top: 18px; border-top: 1px solid var(--ai-line); }
.academic-index-page .ad-nebula-preview-actions button,
.academic-index-page .ad-nebula-preview-actions a { display: inline-flex; min-height: 50px; flex: 1 1 110px; align-items: center; justify-content: center; gap: 8px; padding: 0 12px; border: 0; border-right: 1px solid var(--ai-line); color: var(--ai-muted); background: transparent; font-size: 12px; text-decoration: none; cursor: pointer; }
.academic-index-page .ad-nebula-preview-actions button:first-child { border-left: 1px solid var(--ai-line); }
.academic-index-page .ad-nebula-preview-actions button:hover,
.academic-index-page .ad-nebula-preview-actions a:hover,
.academic-index-page .ad-nebula-preview-actions [aria-pressed="true"] { color: var(--ai-rust); background: rgba(165, 82, 45, .04); }
.academic-index-page .ad-nebula-preview-actions img { width: 17px; height: 17px; }
.academic-index-page .ad-nebula-preview-actions span { display: inline-flex; }
.academic-index-page .ad-nebula-preview-actions small { font-size: 12px; }
.academic-index-page .ad-nebula-preview-actions small,
.academic-index-page .ad-paper-actions span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.academic-index-page .ad-nebula-preview-loading,
.academic-index-page .ad-editorial-loading-state,
.academic-index-page .ad-editorial-error-state,
.academic-index-page .ad-editorial-empty-state { grid-column: 1 / -1; display: grid; min-height: 260px; place-content: center; justify-items: center; gap: 10px; color: var(--ai-muted); text-align: center; }
.academic-index-page .ad-nebula-preview-loading img,
.academic-index-page .ad-editorial-state-icon img { width: 24px; height: 24px; }

.academic-index-page .ad-paper-grid { display: block; }
.academic-index-page .ad-paper-record { display: grid; min-width: 0; grid-template-columns: 62px minmax(0, 1fr); padding: 0; border-bottom: 1px solid var(--ai-line); background: transparent; }
.academic-index-page .ad-paper-index { padding: 20px 0 0 10px; color: var(--ai-rust); font-family: Georgia, "Times New Roman", serif; font-size: 24px; font-style: italic; }
.academic-index-page .ad-paper-record-body { min-width: 0; }
.academic-index-page .ad-paper-record-line { display: grid; min-height: 62px; align-items: center; grid-template-columns: minmax(155px, .75fr) minmax(260px, 2.2fr) minmax(130px, .8fr) 90px 30px; gap: 15px; }
.academic-index-page .ad-paper-record-source { display: flex; min-width: 0; align-items: center; gap: 9px; overflow: hidden; color: var(--ai-muted); font-size: 10px; white-space: nowrap; }
.academic-index-page .ad-paper-record-source > span { color: var(--ai-rust); }
.academic-index-page .ad-paper-record-source b { color: var(--ai-olive); font-weight: 650; }
.academic-index-page .ad-paper-record-source small { overflow: hidden; text-overflow: ellipsis; }
.academic-index-page .ad-paper-record-line h3 { min-width: 0; margin: 0; font-size: 13px; font-weight: 620; line-height: 1.45; }
.academic-index-page .ad-paper-record-line h3 a { display: -webkit-box; overflow: hidden; color: var(--ai-ink); text-decoration: none; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
.academic-index-page .ad-paper-record-line h3 a:hover { color: var(--ai-rust); }
.academic-index-page .ad-paper-row-journal,
.academic-index-page .ad-paper-record-line time { overflow: hidden; color: var(--ai-muted); font-size: 10px; text-overflow: ellipsis; white-space: nowrap; }
.academic-index-page .ad-paper-save { display: grid; width: 30px; height: 30px; place-items: center; padding: 0; border: 0; color: var(--ai-muted); background: transparent; cursor: pointer; }
.academic-index-page .ad-paper-save:hover,
.academic-index-page .ad-paper-save[aria-pressed="true"] { color: var(--ai-rust); }
.academic-index-page .ad-paper-save img { width: 16px; height: 16px; }
.academic-index-page .ad-paper-row-details { border-top: 1px solid transparent; }
.academic-index-page .ad-paper-row-details[open] { border-top-color: rgba(215, 209, 199, .55); }
.academic-index-page .ad-paper-row-details > summary { display: flex; min-height: 32px; align-items: center; justify-content: flex-end; gap: 7px; color: var(--ai-faint); font-size: 10px; cursor: pointer; list-style: none; }
.academic-index-page .ad-paper-row-details > summary::-webkit-details-marker { display: none; }
.academic-index-page .ad-paper-row-details > summary img { width: 13px; height: 13px; transition: transform .22s ease; }
.academic-index-page .ad-paper-row-details[open] > summary img { transform: rotate(180deg); }
.academic-index-page .ad-paper-row-detail-content { padding: 4px 0 24px; }
.academic-index-page .ad-paper-row-meta { color: var(--ai-muted); font-size: 11px; line-height: 1.7; }
.academic-index-page .ad-paper-original-title { margin: 4px 0 8px; color: var(--ai-muted); font-size: 12px; line-height: 1.6; }
.academic-index-page .ad-paper-original-title span { margin-right: 10px; color: var(--ai-rust); }
.academic-index-page .ad-paper-abstract-block { margin-top: 12px; padding-left: 16px; border-left: 2px solid var(--ai-rust-soft); }
.academic-index-page .ad-paper-abstract-block > span { color: var(--ai-rust); font-size: 10px; }
.academic-index-page .ad-paper-abstract { margin: 7px 0 0; color: #555752; font-size: 12px; line-height: 1.85; }
.academic-index-page .ad-paper-abstract-block details { margin-top: 10px; color: var(--ai-muted); font-size: 11px; }
.academic-index-page .ad-paper-abstract-block details p { line-height: 1.75; }
.academic-index-page .ad-paper-actions { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 16px; }
.academic-index-page .ad-paper-actions button,
.academic-index-page .ad-paper-actions a { display: inline-flex; min-height: 32px; align-items: center; gap: 7px; padding: 0; border: 0; border-bottom: 1px solid transparent; color: var(--ai-muted); background: transparent; font-size: 11px; text-decoration: none; cursor: pointer; }
.academic-index-page .ad-paper-actions button:hover,
.academic-index-page .ad-paper-actions a:hover { color: var(--ai-rust); border-bottom-color: var(--ai-rust); }
.academic-index-page .ad-paper-actions img { width: 14px; height: 14px; }
.academic-index-page .ad-paper-routes { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.academic-index-page .ad-paper-routes a,
.academic-index-page .ad-paper-routes button { display: inline-flex; min-height: 34px; align-items: center; gap: 7px; padding: 0 12px; border: 1px solid var(--ai-line); color: var(--ai-ink); background: #fff; font-size: 10px; text-decoration: none; }
.academic-index-page .ad-paper-routes img { width: 13px; height: 13px; }
.academic-index-page .ad-paper-record.is-skeleton { min-height: 88px; align-items: center; }
.academic-index-page .ad-paper-record.is-skeleton > span,
.academic-index-page .ad-paper-record.is-skeleton > div > span { height: 10px; background: #ebe7df; }

.academic-index-page .ad-paper-empty { padding: 70px 20px; text-align: center; }
.academic-index-page .ad-paper-empty img { width: 28px; height: 28px; }
.academic-index-page .ad-paper-empty h3 { margin: 14px 0 0; }
.academic-index-page .ad-paper-empty p { color: var(--ai-muted); font-size: 12px; }
.academic-index-page .ad-paper-empty button { min-height: 38px; padding: 0 16px; border: 1px solid var(--ai-line-dark); background: transparent; cursor: pointer; }
.academic-index-page .ad-paper-footer { display: flex; min-height: 70px; align-items: center; justify-content: space-between; gap: 24px; color: var(--ai-muted); font-size: 11px; }
.academic-index-page .ad-paper-footer-actions { display: flex; gap: 10px; }
.academic-index-page .ad-paper-footer-actions button { display: inline-flex; min-height: 38px; align-items: center; padding: 0 15px; border: 1px solid var(--ai-line-dark); color: var(--ai-ink); background: transparent; font-size: 11px; cursor: pointer; }
.academic-index-page .ad-paper-footer-actions button:hover { color: #fff; border-color: var(--ai-indigo); background: var(--ai-indigo); }

.academic-index-page .ad-catalog { padding: 26px 0 0; }
.academic-index-page .ad-catalog-toolbar { display: flex; align-items: flex-start; gap: 20px; padding-bottom: 22px; border-bottom: 1px solid var(--ai-line); }
.academic-index-page .ad-subject-list { display: flex; flex: 1; flex-wrap: wrap; gap: 8px 18px; }
.academic-index-page .ad-subject-list button,
.academic-index-page .ad-catalog-toolbar > button { display: inline-flex; min-height: 34px; align-items: center; gap: 6px; padding: 0 4px; border: 0; border-bottom: 1px solid transparent; color: var(--ai-muted); background: transparent; font-size: 11px; cursor: pointer; }
.academic-index-page .ad-subject-list button[aria-pressed="true"],
.academic-index-page .ad-subject-list button:hover,
.academic-index-page .ad-catalog-toolbar > button:hover { color: var(--ai-rust); border-bottom-color: var(--ai-rust); }
.academic-index-page .ad-catalog-toolbar img { width: 14px; height: 14px; }
.academic-index-page .ad-results-head { display: flex; min-height: 78px; align-items: center; justify-content: space-between; gap: 24px; border-bottom: 1px solid var(--ai-line); }
.academic-index-page .ad-results-head p { margin: 0; color: var(--ai-muted); font-size: 11px; }
.academic-index-page .ad-results-head h2 { margin: 6px 0 0; font-size: 20px; }
.academic-index-page .ad-results-head label { display: flex; align-items: center; gap: 10px; color: var(--ai-muted); font-size: 11px; }
.academic-index-page .ad-results-head select { height: 36px; border: 0; border-bottom: 1px solid var(--ai-line-dark); background: transparent; }
.academic-index-page .ad-card-grid { display: block; }
.academic-index-page .ad-card { display: grid; min-height: 150px; grid-template-columns: 120px minmax(0, 1fr) 160px; gap: 22px; padding: 24px 0; border: 0; border-bottom: 1px solid var(--ai-line); border-radius: 0; background: transparent; box-shadow: none; }
.academic-index-page .ad-card:hover { background: rgba(165, 82, 45, .025); transform: none; }
.academic-index-page .ad-card-top { align-content: start; }
.academic-index-page .ad-card-title { text-align: left; }
.academic-index-page .ad-card h3 { font-size: 18px; }
.academic-index-page .ad-card > p { grid-column: 2; }
.academic-index-page .ad-card footer { grid-column: 3; grid-row: 1 / span 4; align-content: end; }

.academic-index-page .ad-journal-ranking,
.academic-index-page .ad-smart-result { margin-top: 14px; }
.academic-index-page .ad-compare-tray { border-radius: 0; background: var(--ai-indigo); }
.academic-index-page .ad-dialog { border-radius: 8px; }
.academic-index-page .ad-dialog h2 { font-family: inherit; }
.academic-index-page .paper-graph-dialog-head {
  grid-template-columns: 230px minmax(0, 1fr);
  align-items: center;
  gap: 28px;
  padding: 0 58px 14px 2px;
}
.academic-index-page .paper-graph-dialog-head .rh-eyebrow { margin-bottom: 5px; font-size: 9px; letter-spacing: .16em; }
.academic-index-page .paper-graph-dialog-head h2 {
  margin: 0;
  font-size: 30px;
  font-weight: 720;
  line-height: 1.15;
  letter-spacing: -.025em;
}
.academic-index-page .paper-graph-dialog-head > p { max-width: 68ch; font-size: 12px; line-height: 1.6; }
.academic-index-page .paper-graph-stage canvas { cursor: default; }
.academic-index-page .paper-graph-stage canvas:active { cursor: grabbing; }
.academic-index-page .paper-graph-sidebar .paper-graph-dialog-head { grid-template-columns: 1fr; gap: 7px; padding: 0 34px 0 0; }
.academic-index-page .paper-graph-sidebar .paper-graph-dialog-head h2 { font-size: 27px; }
.academic-index-page .paper-graph-sidebar .paper-graph-dialog-head > p { font-size: 10px; line-height: 1.5; }

.academic-index-page .ro-reveal { opacity: 0; transform: translate3d(0, 18px, 0); transition: opacity .58s ease, transform .68s cubic-bezier(.2,.8,.2,1); }
.academic-index-page .ro-reveal.is-in-view { opacity: 1; transform: translate3d(0, 0, 0); }

@media (max-width: 1180px) {
  .academic-index-page .ad-index-desk { grid-template-columns: 250px minmax(0, 1fr); }
  .academic-index-page .ad-index-sidebar { padding-inline: 25px; }
  .academic-index-page .academic-discovery-main { padding-inline: 38px; }
  .academic-index-page .ad-paper-record-line { grid-template-columns: minmax(128px, .7fr) minmax(220px, 2fr) minmax(110px, .7fr) 82px 30px; gap: 10px; }
  .academic-index-page .ad-literature-summary > span { display: none; }
}

@media (max-width: 900px) {
  .academic-index-page .ad-index-desk { grid-template-columns: 1fr; }
  .academic-index-page .ad-index-sidebar { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 28px; padding: 30px 28px; border-right: 0; border-bottom: 1px solid var(--ai-line); }
  .academic-index-page .ad-index-sidebar-head,
  .academic-index-page .ad-index-side-note { grid-column: 1 / -1; }
  .academic-index-page .ad-index-sidebar-head { padding-bottom: 18px; }
  .academic-index-page .ad-index-sidebar section { padding-block: 20px; }
  .academic-index-page .ad-index-side-note { margin-top: 18px; }
  .academic-index-page .academic-discovery-main { padding: 34px 28px 72px; }
  .academic-index-page .ad-paper-record-line { grid-template-columns: minmax(120px, .7fr) minmax(220px, 2fr) 76px 30px; }
  .academic-index-page .ad-paper-row-journal { display: none; }
}

@media (max-width: 680px) {
  .academic-index-page .ad-index-sidebar { display: block; padding: 22px 20px 0; }
  .academic-index-page .ad-index-sidebar-head { padding-bottom: 14px; }
  .academic-index-page .ad-index-sidebar-head strong { font-size: 22px; }
  .academic-index-page .ad-index-scope { padding: 16px 0 12px; }
  .academic-index-page .ad-index-scope .ad-nebula-labels,
  .academic-index-page .ad-search-memory,
  .academic-index-page .ad-flow-workspace,
  .academic-index-page .ad-index-side-note { display: none; }
  .academic-index-page .ad-index-scope .ad-literature-tools { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 14px; }
  .academic-index-page .ad-index-scope .ad-literature-tools label { grid-template-columns: 16px minmax(0, 1fr); padding: 0 2px; }
  .academic-index-page .ad-index-scope .ad-literature-tools label > span { display: none; }
  .academic-index-page .ad-index-scope .ad-literature-tools select { font-size: 12px; }
  .academic-index-page .academic-discovery-main { padding: 30px 20px 60px; }
  .academic-index-page .ad-index-heading { display: grid; }
  .academic-index-page .ad-index-heading h1 { font-size: 27px; }
  .academic-index-page .ad-index-heading time { margin-top: 0; white-space: normal; }
  .academic-index-page .ad-editorial-search { grid-template-columns: 72px minmax(0, 1fr) 48px; }
  .academic-index-page .ad-editorial-search button[type="submit"] { width: 48px; padding: 0; }
  .academic-index-page .ad-editorial-search button[type="submit"] span { display: none; }
  .academic-index-page .ad-editorial-search button[type="reset"] { display: none; }
  .academic-index-page .ad-index-search-fields { gap: 20px; }
  .academic-index-page .ad-index-search-fields a { display: none; }
  .academic-index-page .ad-mode-tabs { grid-template-columns: repeat(5, 74px); overflow-x: auto; justify-content: start; }
  .academic-index-page .ad-mode-tabs button { min-height: 58px; flex-direction: column; gap: 3px; font-size: 11px; }
  .academic-index-page .ad-mode-tabs small { display: none; }
  .academic-index-page .ad-literature-head { align-items: flex-start; flex-direction: column; justify-content: center; padding-block: 16px; }
  .academic-index-page .ad-literature-summary { width: 100%; justify-content: space-between; }
  .academic-index-page .ad-paper-source-state { display: none; }
  .academic-index-page .ad-nebula-preview { grid-template-columns: 44px minmax(0, 1fr); }
  .academic-index-page .ad-feature-index { padding-left: 0; font-size: 26px; }
  .academic-index-page .ad-feature-paper h2 { font-size: 20px; }
  .academic-index-page .ad-editorial-provenance { display: grid; gap: 7px; }
  .academic-index-page .ad-nebula-preview-actions > * { flex-basis: 46%; border-bottom: 1px solid var(--ai-line); }
  .academic-index-page .ad-paper-record { grid-template-columns: 42px minmax(0, 1fr); }
  .academic-index-page .ad-paper-index { padding-left: 0; font-size: 20px; }
  .academic-index-page .ad-paper-record-line { min-height: 84px; grid-template-columns: minmax(0, 1fr) 72px 30px; }
  .academic-index-page .ad-paper-record-source { grid-column: 1 / -1; padding-top: 12px; }
  .academic-index-page .ad-paper-record-line h3 { grid-column: 1; }
  .academic-index-page .ad-paper-record-line time { grid-column: 2; }
  .academic-index-page .ad-paper-row-journal { display: none; }
  .academic-index-page .ad-paper-footer { align-items: flex-start; flex-direction: column; padding-block: 22px; }
  .academic-index-page .ad-card { grid-template-columns: 1fr; }
  .academic-index-page .ad-card > p,
  .academic-index-page .ad-card footer { grid-column: 1; grid-row: auto; }
  .academic-index-page .paper-graph-dialog-head { grid-template-columns: 1fr; gap: 5px; padding: 4px 44px 10px 2px; }
  .academic-index-page .paper-graph-dialog-head h2 { font-size: 24px; }
}

/* Academic Observatory V4 — page-specific discovery language. */
.academic-index-page {
  --ao-ink: #202a31;
  --ao-copy: #59646a;
  --ao-faint: #879096;
  --ao-line: rgba(40, 55, 64, .12);
  --ao-blue: #396d83;
  --ao-blue-soft: #e6f0f3;
  --ao-rust: #af6446;
  --ao-rust-soft: #f7e9e0;
  --ao-violet: #75668e;
  --ao-violet-soft: #efebf4;
  --ao-amber: #a97535;
  --ao-amber-soft: #f7eedf;
  --ao-paper: #f3f0e9;
  --ao-white: #fcfcfa;
}
html[data-theme="light"] body.academic-index-page {
  color: var(--ao-ink);
  background:
    radial-gradient(circle at 82% 4%, rgba(57,109,131,.12), transparent 28rem),
    radial-gradient(circle at 12% 34%, rgba(175,100,70,.08), transparent 24rem),
    var(--ao-paper);
}
.academic-index-page .resource-flow-screen { background: transparent; }
.academic-index-page .ad-index-desk {
  width: min(calc(100% - 36px), 1540px);
  grid-template-columns: 278px minmax(0, 1fr);
  gap: 20px;
  margin: 22px auto 0;
  border: 0;
}
.academic-index-page .ad-index-sidebar {
  position: sticky;
  top: 94px;
  align-self: start;
  max-height: calc(100vh - 116px);
  overflow: auto;
  padding: 26px 22px 34px;
  border: 1px solid var(--ao-line);
  border-radius: 28px;
  background: rgba(247,249,249,.88);
  box-shadow: 0 20px 60px rgba(34,49,56,.08);
  scrollbar-width: thin;
  scrollbar-color: rgba(57,109,131,.24) transparent;
  backdrop-filter: blur(18px) saturate(115%);
}
.academic-index-page .ad-index-sidebar-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 0 2px 22px;
  border-bottom: 1px solid var(--ao-line);
}
.academic-index-page .ad-index-sidebar-head > div { display: grid; gap: 4px; }
.academic-index-page .ad-index-sidebar-head small {
  color: var(--ao-blue);
  font-size: 9px;
  font-weight: 780;
  letter-spacing: .19em;
}
.academic-index-page .ad-index-sidebar-head strong {
  color: var(--ao-ink);
  font-size: 23px;
  font-weight: 760;
  letter-spacing: .025em;
}
.academic-index-page .ad-index-sidebar-head span { color: var(--ao-faint); font-size: 11px; letter-spacing: .12em; }
.academic-index-page .ad-index-sidebar-head > button {
  display: none;
  width: 72px;
  height: 38px;
  align-items: center;
  justify-content: center;
  gap: 7px;
  border: 1px solid var(--ao-line);
  border-radius: 19px;
  color: var(--ao-blue);
  background: rgba(255,255,255,.74);
  font-size: 11px;
  font-weight: 700;
}
.academic-index-page .ad-index-sidebar-head > button img { width: 15px; height: 15px; }
.academic-index-page .ad-index-sidebar section { padding: 21px 2px; border-color: var(--ao-line); }
.academic-index-page .ad-index-side-title h2 { color: var(--ao-ink); font-size: 13px; }
.academic-index-page .ad-index-side-title > button { color: var(--ao-blue); font-weight: 700; }
.academic-index-page .ad-index-side-title > button:hover { color: var(--ao-rust); }
.academic-index-page .ad-index-scope .ad-literature-tools { gap: 7px; margin-top: 14px; }
.academic-index-page .ad-index-scope .ad-literature-tools label {
  min-height: 50px;
  grid-template-columns: 18px 64px minmax(0, 1fr);
  padding: 0 10px;
  border: 1px solid transparent;
  border-radius: 14px;
  background: rgba(255,255,255,.58);
  transition: border-color .2s ease, background .2s ease, transform .2s ease;
}
.academic-index-page .ad-index-scope .ad-literature-tools label:hover {
  border-color: rgba(57,109,131,.18);
  background: #fff;
  transform: translateX(2px);
}
.academic-index-page .ad-index-scope .ad-literature-tools label > img { opacity: .82; }
.academic-index-page .ad-index-scope .ad-literature-tools select { color: var(--ao-ink); font-size: 12px; }
.academic-index-page .ad-nebula-labels { grid-template-columns: repeat(2, minmax(0,1fr)); gap: 6px; }
.academic-index-page .ad-nebula-labels button,
.academic-index-page .ad-nebula-labels button:first-child {
  min-height: 34px;
  grid-template-columns: 14px minmax(0,1fr);
  padding: 0 9px;
  border: 1px solid var(--ao-line);
  border-radius: 17px;
  color: var(--ao-copy);
  background: rgba(255,255,255,.62);
  font-size: 10px;
}
.academic-index-page .ad-nebula-labels button:hover { border-color: rgba(175,100,70,.25); color: var(--ao-rust); background: var(--ao-rust-soft); }
.academic-index-page .ad-flow-workspace-actions button { border-radius: 12px; }
.academic-index-page .ad-flow-workspace-actions button:hover { color: var(--ao-blue); background: var(--ao-blue-soft); }
.academic-index-page .ad-index-side-note { margin-top: 26px; color: var(--ao-faint); }

.academic-index-page .academic-discovery-main {
  padding: 0 0 88px;
  background: transparent;
}
.academic-index-page .ad-index-heading {
  position: relative;
  display: grid;
  min-height: 306px;
  grid-template-columns: minmax(0, 1.06fr) minmax(300px, .94fr);
  align-items: stretch;
  gap: 34px;
  padding: 34px;
  overflow: hidden;
  border: 1px solid var(--ao-line);
  border-radius: 34px;
  background:
    linear-gradient(130deg, rgba(255,255,255,.94), rgba(246,243,236,.84)),
    var(--ao-white);
  box-shadow: 0 24px 70px rgba(37,50,57,.08);
}
.academic-index-page .ad-index-heading::before {
  position: absolute;
  width: 250px;
  height: 250px;
  right: 29%;
  bottom: -175px;
  border-radius: 50%;
  background: rgba(175,100,70,.09);
  content: "";
  filter: blur(2px);
}
.academic-index-page .ad-index-heading-copy { position: relative; z-index: 1; display: flex; flex-direction: column; justify-content: center; }
.academic-index-page .ad-index-heading .ad-index-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  color: var(--ao-blue);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .22em;
}
.academic-index-page .ad-index-eyebrow > span { width: 34px; height: 2px; border-radius: 2px; background: var(--ao-rust); }
.academic-index-page .ad-index-heading h1 {
  max-width: 8em;
  color: var(--ao-ink);
  font-size: clamp(38px, 4vw, 61px);
  font-weight: 760;
  line-height: 1.06;
  letter-spacing: -.045em;
}
.academic-index-page .ad-index-heading-copy > p:not(.ad-index-eyebrow) {
  max-width: 32em;
  margin: 18px 0 0;
  color: var(--ao-copy);
  font-size: 15px;
  line-height: 1.85;
  letter-spacing: .015em;
}
.academic-index-page .ad-index-trust { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.academic-index-page .ad-index-trust span {
  display: inline-flex;
  min-height: 31px;
  align-items: center;
  padding: 0 12px;
  border: 1px solid var(--ao-line);
  border-radius: 16px;
  color: var(--ao-copy);
  background: rgba(255,255,255,.7);
  font-size: 10px;
  font-weight: 680;
}
.academic-index-page .ad-index-trust span:nth-child(1) { color: var(--ao-rust); background: var(--ao-rust-soft); }
.academic-index-page .ad-index-trust span:nth-child(2) { color: var(--ao-blue); background: var(--ao-blue-soft); }
.academic-index-page .ad-index-visual {
  position: relative;
  min-height: 230px;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(57,109,131,.14);
  border-radius: 25px;
  background: #e6edf0;
  box-shadow: 0 16px 40px rgba(35,53,62,.12);
}
.academic-index-page .ad-index-visual > img { width: 100%; height: 100%; object-fit: cover; object-position: center; transition: transform 1.4s cubic-bezier(.2,.8,.2,1); }
.academic-index-page .ad-index-heading:hover .ad-index-visual > img { transform: scale(1.035); }
.academic-index-page .ad-index-visual::after {
  position: absolute;
  inset: 38% 0 0;
  background: linear-gradient(180deg, transparent, rgba(20,35,43,.78));
  content: "";
  pointer-events: none;
}
.academic-index-page .ad-index-visual figcaption {
  position: absolute;
  z-index: 1;
  right: 18px;
  bottom: 16px;
  left: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  color: #fff;
  font-size: 10px;
}
.academic-index-page .ad-index-visual figcaption span,
.academic-index-page .ad-index-visual figcaption time { display: inline-flex; align-items: center; gap: 7px; }
.academic-index-page .ad-index-visual figcaption i { width: 7px; height: 7px; border-radius: 50%; background: #8dd5c3; box-shadow: 0 0 0 5px rgba(141,213,195,.15); }
.academic-index-page .ad-index-visual figcaption img { width: 14px; height: 14px; filter: brightness(0) invert(1); }

.academic-index-page .ad-flow-command {
  position: relative;
  z-index: 2;
  margin: 18px 0 0;
  padding: 14px;
  border: 1px solid var(--ao-line);
  border-radius: 26px;
  background: rgba(252,252,250,.92);
  box-shadow: 0 18px 54px rgba(37,50,57,.075);
  backdrop-filter: blur(16px);
}
.academic-index-page .ad-editorial-search {
  min-height: 58px;
  grid-template-columns: 96px minmax(0,1fr) 154px;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(57,109,131,.2);
  border-radius: 17px;
  background: #f7f9f8;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.8);
  transition: border-color .25s ease, box-shadow .25s ease, transform .25s ease;
}
.academic-index-page .ad-editorial-search:focus-within { border-color: rgba(57,109,131,.52); box-shadow: 0 0 0 5px rgba(57,109,131,.08); transform: translateY(-1px); }
.academic-index-page .ad-editorial-search button[type="submit"] {
  border-radius: 13px;
  margin: 5px;
  color: #fff;
  background: linear-gradient(135deg, #477e92, #315d72);
  box-shadow: 0 8px 20px rgba(49,93,114,.18);
}
.academic-index-page .ad-editorial-search button[type="submit"]:hover { background: linear-gradient(135deg, #315d72, #244b5d); transform: translateY(-1px); }
.academic-index-page .ad-editorial-search button[type="reset"] { right: 154px; background: #f7f9f8; }
.academic-index-page .ad-index-search-fields { min-height: 50px; gap: 10px; padding: 7px 2px 0; border: 0; }
.academic-index-page .ad-index-search-fields button { min-height: 34px; padding-inline: 11px; border-radius: 17px; }
.academic-index-page .ad-index-search-fields button:hover,
.academic-index-page .ad-index-search-fields button[aria-pressed="true"],
.academic-index-page .ad-index-search-fields .ad-advanced-search-toggle[aria-expanded="true"] { color: var(--ao-blue); background: var(--ao-blue-soft); }
.academic-index-page .ad-advanced-search { margin: 4px 0 12px; border: 1px solid var(--ao-line); border-radius: 17px; background: #f6f8f7; }
.academic-index-page .ad-mode-tabs {
  grid-template-columns: repeat(5, minmax(112px,1fr));
  gap: 8px;
  padding: 7px 0 0;
  border: 0;
}
.academic-index-page .ad-mode-tabs button {
  min-height: 58px;
  justify-content: flex-start;
  padding: 0 14px;
  overflow: hidden;
  border: 1px solid transparent;
  border-radius: 16px;
  color: var(--ao-copy);
  background: transparent;
  transition: color .22s ease, background .22s ease, border-color .22s ease, transform .22s ease;
}
.academic-index-page .ad-mode-tabs button::after { display: none; }
.academic-index-page .ad-mode-tabs button:hover { border-color: var(--ao-line); background: rgba(255,255,255,.72); transform: translateY(-2px); }
.academic-index-page .ad-mode-tabs button[aria-pressed="true"] { border-color: rgba(57,109,131,.19); color: var(--ao-blue); background: var(--ao-blue-soft); font-weight: 760; }
.academic-index-page .ad-mode-tabs button:nth-child(2)[aria-pressed="true"] { border-color: rgba(117,102,142,.19); color: var(--ao-violet); background: var(--ao-violet-soft); }
.academic-index-page .ad-mode-tabs button:nth-child(3)[aria-pressed="true"] { border-color: rgba(169,117,53,.2); color: var(--ao-amber); background: var(--ao-amber-soft); }
.academic-index-page .ad-mode-tabs button:nth-child(4)[aria-pressed="true"] { border-color: rgba(175,100,70,.2); color: var(--ao-rust); background: var(--ao-rust-soft); }
.academic-index-page .ad-mode-tabs button:nth-child(5)[aria-pressed="true"] { border-color: rgba(57,109,131,.19); color: #446f69; background: #e5f0ed; }
.academic-index-page .ad-mode-tabs button img { flex: 0 0 auto; }
.academic-index-page .ad-mode-tabs small { margin-left: auto; font-variant-numeric: tabular-nums; }

.academic-index-page .ad-literature { margin-top: 20px; }
.academic-index-page .ad-literature-head {
  min-height: 84px;
  padding: 0 20px;
  border: 1px solid var(--ao-line);
  border-radius: 23px;
  background: rgba(252,252,250,.76);
}
.academic-index-page .ad-literature-head h2 { color: var(--ao-ink); font-size: 24px; letter-spacing: -.02em; }
.academic-index-page .ad-literature-head strong span { color: var(--ao-rust); }
.academic-index-page .ad-literature-summary button {
  min-height: 40px;
  gap: 8px;
  padding: 0 14px;
  border: 1px solid rgba(57,109,131,.16);
  border-radius: 20px;
  color: var(--ao-blue);
  background: var(--ao-blue-soft);
  font-weight: 700;
}
.academic-index-page .ad-literature-summary button:hover { border-color: rgba(57,109,131,.34); color: #244f63; background: #dcebef; }
.academic-index-page .ad-paper-status {
  margin: 12px 0 0;
  padding: 13px 18px;
  border: 1px solid var(--ao-line);
  border-radius: 16px;
  color: var(--ao-copy);
  background: rgba(255,255,255,.58);
  line-height: 1.65;
}
.academic-index-page .ad-paper-status[data-state="error"] { border-color: rgba(175,100,70,.24); color: #9b4e36; background: var(--ao-rust-soft); }
.academic-index-page .ad-flow-feature { margin: 12px 0 0; border: 0; }
.academic-index-page .ad-nebula-preview {
  grid-template-columns: 66px minmax(0,1fr);
  padding: 22px 22px 0;
  overflow: hidden;
  border: 1px solid rgba(175,100,70,.14);
  border-radius: 25px;
  background: linear-gradient(135deg, rgba(255,251,247,.98), rgba(247,237,228,.76));
  box-shadow: 0 16px 42px rgba(72,49,39,.07);
}
.academic-index-page .ad-feature-index,
.academic-index-page .ad-paper-index { color: var(--journal-color, var(--ao-rust)); }
.academic-index-page .ad-feature-paper-panel { padding-bottom: 20px; }
.academic-index-page .ad-nebula-preview-actions,
.academic-index-page .ad-paper-actions { gap: 8px; padding: 10px; border: 0; border-radius: 15px; background: rgba(255,255,255,.58); }
.academic-index-page .ad-nebula-preview-actions button,
.academic-index-page .ad-nebula-preview-actions a,
.academic-index-page .ad-paper-actions button,
.academic-index-page .ad-paper-actions a {
  min-height: 43px;
  border: 1px solid transparent;
  border-radius: 12px;
  color: var(--ao-copy);
  background: rgba(255,255,255,.7);
  transition: color .2s ease, border-color .2s ease, background .2s ease, transform .2s ease;
}
.academic-index-page .ad-nebula-preview-actions button:hover,
.academic-index-page .ad-nebula-preview-actions a:hover,
.academic-index-page .ad-paper-actions button:hover,
.academic-index-page .ad-paper-actions a:hover { border-color: color-mix(in srgb, var(--journal-color, var(--ao-blue)) 28%, transparent); color: var(--journal-color, var(--ao-blue)); transform: translateY(-1px); }
.academic-index-page .ad-paper-grid { display: grid; gap: 10px; margin-top: 10px; }
.academic-index-page .ad-paper-record {
  display: block;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--journal-color) 14%, var(--ao-line));
  border-radius: 22px;
  background: color-mix(in srgb, var(--journal-soft) 36%, rgba(252,252,250,.96));
  box-shadow: 0 10px 30px rgba(37,50,57,.045);
  transition: border-color .25s ease, box-shadow .25s ease, transform .25s ease;
}
.academic-index-page .ad-paper-record:hover { border-color: color-mix(in srgb, var(--journal-color) 32%, var(--ao-line)); box-shadow: 0 18px 44px rgba(37,50,57,.075); transform: translateY(-2px); }
.academic-index-page .ad-paper-record-line { min-height: 112px; grid-template-columns: 58px minmax(0,1fr) 76px; gap: 20px; padding: 18px 22px; }
.academic-index-page .ad-paper-index {
  display: grid;
  width: 47px;
  height: 47px;
  place-items: center;
  align-self: center;
  padding: 0;
  border: 1px solid color-mix(in srgb, var(--journal-color) 22%, transparent);
  border-radius: 50%;
  background: color-mix(in srgb, var(--journal-soft) 68%, #fff);
  font-size: 18px;
}
.academic-index-page .ad-paper-record-summary { gap: 7px; }
.academic-index-page .ad-paper-record-summary > span { color: var(--journal-color); font-weight: 720; letter-spacing: .015em; }
.academic-index-page .ad-paper-record-summary > strong { color: var(--ao-ink); font-size: 18px; line-height: 1.48; }
.academic-index-page .ad-paper-record-summary > small { color: var(--ao-faint); line-height: 1.55; }
.academic-index-page .ad-paper-expand-state {
  display: inline-flex;
  min-height: 36px;
  align-items: center;
  justify-content: center;
  gap: 6px;
  align-self: center;
  border: 1px solid color-mix(in srgb, var(--journal-color) 16%, transparent);
  border-radius: 18px;
  background: rgba(255,255,255,.62);
}
.academic-index-page .ad-paper-row-detail-content { padding: 0 22px 22px 100px; }
.academic-index-page .ad-journal-ranking {
  gap: 12px;
  padding: 13px 15px;
  border: 1px solid color-mix(in srgb, var(--journal-color, var(--ao-violet)) 16%, transparent);
  border-left: 4px solid var(--journal-color, var(--ao-violet));
  border-radius: 14px;
  background: color-mix(in srgb, var(--journal-soft, var(--ao-violet-soft)) 58%, #fff);
}
.academic-index-page .ad-journal-ranking.is-status span { color: var(--ao-copy); }
.academic-index-page .ad-paper-abstract-block { border-radius: 14px; background: rgba(255,255,255,.55); }
.academic-index-page .ad-paper-footer { border-color: var(--ao-line); border-radius: 22px; background: rgba(252,252,250,.72); box-shadow: 0 12px 38px rgba(37,50,57,.045); }
.academic-index-page .ad-paper-pagination button,
.academic-index-page .ad-paper-footer-actions button { border-radius: 18px; color: var(--ao-blue); background: var(--ao-blue-soft); }
.academic-index-page .ad-card { margin-top: 10px; padding: 22px; border: 1px solid var(--ao-line); border-radius: 22px; background: rgba(252,252,250,.78); box-shadow: 0 12px 34px rgba(37,50,57,.05); }
.academic-index-page .ad-card:hover { background: #fff; transform: translateY(-2px); }

@media (max-width: 1180px) {
  .academic-index-page .ad-index-desk { grid-template-columns: 248px minmax(0,1fr); }
  .academic-index-page .ad-index-heading { grid-template-columns: minmax(0,1fr) 300px; gap: 24px; padding: 28px; }
  .academic-index-page .ad-index-heading h1 { font-size: 44px; }
  .academic-index-page .ad-mode-tabs { grid-template-columns: repeat(5, minmax(100px,1fr)); }
  .academic-index-page .ad-mode-tabs button { padding-inline: 10px; font-size: 12px; }
}
@media (max-width: 900px) {
  .academic-index-page .ad-index-desk { width: min(calc(100% - 24px), 820px); grid-template-columns: 1fr; gap: 12px; margin-top: 12px; }
  .academic-index-page .ad-index-sidebar {
    position: sticky;
    top: 76px;
    z-index: 18;
    display: block;
    max-height: calc(100vh - 88px);
    padding: 16px 18px;
    border-radius: 22px;
  }
  .academic-index-page .ad-index-sidebar-head { padding: 0; border: 0; }
  .academic-index-page .ad-index-sidebar-head > button { display: inline-flex; }
  .academic-index-page .ad-index-sidebar > section,
  .academic-index-page .ad-index-sidebar > .ad-index-side-note { display: none; }
  .academic-index-page .ad-index-sidebar.is-open > section { display: block; }
  .academic-index-page .ad-index-sidebar.is-open > .ad-index-side-note { display: grid; }
  .academic-index-page .ad-index-sidebar.is-open .ad-index-sidebar-head { padding-bottom: 16px; border-bottom: 1px solid var(--ao-line); }
  .academic-index-page .ad-index-sidebar.is-open .ad-index-sidebar-head > button { color: var(--ao-rust); background: var(--ao-rust-soft); }
  .academic-index-page .academic-discovery-main { padding: 0 0 68px; }
  .academic-index-page .ad-index-heading { min-height: 288px; grid-template-columns: minmax(0,1fr) 270px; }
  .academic-index-page .ad-index-heading h1 { font-size: 39px; }
  .academic-index-page .ad-index-heading-copy > p:not(.ad-index-eyebrow) { font-size: 13px; }
  .academic-index-page .ad-mode-tabs { display: flex; overflow-x: auto; scroll-snap-type: x proximity; scrollbar-width: none; }
  .academic-index-page .ad-mode-tabs::-webkit-scrollbar { display: none; }
  .academic-index-page .ad-mode-tabs button { min-width: 128px; scroll-snap-align: start; }
}
@media (max-width: 680px) {
  .academic-index-page .ad-index-desk { width: 100%; margin-top: 0; }
  .academic-index-page .ad-index-sidebar { top: 68px; margin: 8px 10px 0; border-radius: 18px; }
  .academic-index-page .ad-index-sidebar-head strong { font-size: 19px; }
  .academic-index-page .ad-index-sidebar-head span { display: block; font-size: 9px; }
  .academic-index-page .ad-index-sidebar.is-open .ad-index-scope .ad-literature-tools { grid-template-columns: 1fr; gap: 6px; }
  .academic-index-page .ad-index-sidebar.is-open .ad-index-scope .ad-literature-tools label { grid-template-columns: 18px 58px minmax(0,1fr); }
  .academic-index-page .ad-index-sidebar.is-open .ad-index-scope .ad-literature-tools label > span { display: inline; }
  .academic-index-page .academic-discovery-main { padding-inline: 10px; }
  .academic-index-page .ad-index-heading {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 22px;
    padding: 25px 20px 20px;
    border-radius: 25px;
  }
  .academic-index-page .ad-index-heading h1 { max-width: none; font-size: 35px; }
  .academic-index-page .ad-index-heading-copy > p:not(.ad-index-eyebrow) { margin-top: 13px; line-height: 1.7; }
  .academic-index-page .ad-index-trust { margin-top: 18px; }
  .academic-index-page .ad-index-visual { min-height: 142px; border-radius: 18px; }
  .academic-index-page .ad-index-visual figcaption { right: 12px; bottom: 11px; left: 12px; }
  .academic-index-page .ad-flow-command { margin-top: 10px; padding: 9px; border-radius: 20px; }
  .academic-index-page .ad-editorial-search { min-height: 53px; grid-template-columns: 68px minmax(0,1fr) 52px; border-radius: 14px; }
  .academic-index-page .ad-editorial-search button[type="submit"] { width: auto; border-radius: 11px; }
  .academic-index-page .ad-editorial-search button[type="reset"] { display: none; }
  .academic-index-page .ad-index-search-fields { gap: 3px; overflow-x: auto; }
  .academic-index-page .ad-index-search-fields button { flex: 0 0 auto; padding-inline: 9px; font-size: 10px; }
  .academic-index-page .ad-mode-tabs { padding-top: 3px; }
  .academic-index-page .ad-mode-tabs button { min-width: 104px; min-height: 56px; flex-direction: row; font-size: 11px; }
  .academic-index-page .ad-literature { margin-top: 10px; }
  .academic-index-page .ad-literature-head { min-height: 0; gap: 14px; padding: 16px; border-radius: 19px; }
  .academic-index-page .ad-literature-head > div:first-child { gap: 12px; }
  .academic-index-page .ad-literature-head h2 { font-size: 21px; }
  .academic-index-page .ad-literature-summary button { min-height: 36px; font-size: 10px; }
  .academic-index-page .ad-paper-status { padding: 12px 14px; }
  .academic-index-page .ad-nebula-preview { grid-template-columns: 46px minmax(0,1fr); padding: 16px 14px 0; border-radius: 20px; }
  .academic-index-page .ad-paper-record { border-radius: 19px; }
  .academic-index-page .ad-paper-record-line { min-height: 0; grid-template-columns: 40px minmax(0,1fr); gap: 12px; padding: 15px 14px; }
  .academic-index-page .ad-paper-index { width: 38px; height: 38px; font-size: 14px; }
  .academic-index-page .ad-paper-record-summary > strong { font-size: 16px; }
  .academic-index-page .ad-paper-expand-state { grid-column: 2; justify-self: start; min-height: 30px; padding: 0 10px; }
  .academic-index-page .ad-paper-row-detail-content { padding: 0 14px 16px; }
  .academic-index-page .ad-paper-footer { border-radius: 19px; }
}
@media (prefers-reduced-motion: reduce) {
  .academic-index-page .ad-index-visual > img,
  .academic-index-page .ad-paper-record,
  .academic-index-page .ad-mode-tabs button { transition-duration: .01ms; }
}

/* Citation desk: compact utility panel, aligned with the literature workspace. */
.academic-index-page .ad-citation-dialog {
  width: min(calc(100% - 36px), 760px);
  max-height: min(82vh, 660px);
  overflow: auto;
  border: 1px solid rgba(39, 57, 48, .12);
  border-radius: 22px;
  background: color-mix(in srgb, var(--ai-paper) 97%, var(--ai-wash));
  box-shadow: 0 28px 80px rgba(17, 30, 23, .2);
}
.academic-index-page .ad-citation-dialog::backdrop { background: rgba(25, 35, 30, .34); backdrop-filter: blur(6px); }
.academic-index-page .ad-citation-dialog > .ad-dialog-close {
  position: sticky;
  top: 14px;
  width: 36px;
  height: 36px;
  margin: 14px 14px -36px auto;
  border: 0;
  border-radius: 50%;
  box-shadow: 0 8px 22px rgba(35, 48, 40, .08);
}
.academic-index-page .ad-citation-dialog > .ad-dialog-close img { width: 15px; height: 15px; }
.academic-index-page .ad-citation-dialog [data-ap-citation-content] { padding: 28px 32px 30px; }
.academic-index-page .ad-citation-dialog .rh-eyebrow { margin: 0 0 7px; font-size: 8px; letter-spacing: .18em; }
.academic-index-page .ad-citation-dialog h2 {
  max-width: none;
  margin: 0;
  font: 750 30px/1.18 inherit;
  letter-spacing: -.035em;
}
.academic-index-page .ad-citation-dialog .ad-dialog-summary {
  max-width: none;
  margin: 8px 52px 18px 0;
  color: var(--ai-muted);
  font-size: 12px;
  line-height: 1.65;
}
.academic-index-page .ad-citation-record {
  gap: 6px;
  padding: 16px 18px;
  border-color: color-mix(in srgb, var(--journal-color, var(--ai-indigo)) 18%, transparent);
  border-radius: 15px;
  background: color-mix(in srgb, var(--journal-soft, var(--ai-wash)) 48%, var(--ai-paper));
}
.academic-index-page .ad-citation-record span { font-size: 9px; letter-spacing: .03em; }
.academic-index-page .ad-citation-record strong {
  max-width: none;
  overflow-wrap: anywhere;
  font: 720 17px/1.42 inherit;
  letter-spacing: -.015em;
}
.academic-index-page .ad-citation-record small {
  overflow: hidden;
  color: var(--ai-muted);
  font-size: 10px;
  line-height: 1.55;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.academic-index-page .ad-citation-preview {
  margin-top: 12px;
  border-radius: 13px;
  background: color-mix(in srgb, var(--ai-wash) 72%, var(--ai-paper));
}
.academic-index-page .ad-citation-preview summary { min-height: 42px; padding: 0 15px; font-size: 10px; }
.academic-index-page .ad-citation-preview summary::after { font-size: 17px; }
.academic-index-page .ad-citation-preview pre { max-height: 190px; padding: 14px 15px; font-size: 10px; line-height: 1.65; }
.academic-index-page .ad-citation-actions {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
  margin-top: 12px;
}
.academic-index-page .ad-citation-actions button,
.academic-index-page .ad-citation-actions button:nth-last-child(-n + 3) {
  display: inline-flex;
  min-width: 0;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 0 10px;
  border: 1px solid color-mix(in srgb, var(--ai-indigo) 18%, transparent);
  border-radius: 12px;
  color: var(--ai-indigo);
  background: color-mix(in srgb, var(--ai-indigo) 6%, var(--ai-paper));
  font-size: 10px;
  font-weight: 680;
  transition: color 180ms ease, background 180ms ease, border-color 180ms ease, transform 220ms var(--rh-ease);
}
.academic-index-page .ad-citation-actions button:hover,
.academic-index-page .ad-citation-actions button:focus-visible {
  color: #fff;
  border-color: var(--ai-indigo);
  background: var(--ai-indigo);
  transform: translateY(-2px);
}
.academic-index-page .ad-citation-actions button img { width: 15px; height: 15px; opacity: .82; }
.academic-index-page .ad-citation-actions button:hover img,
.academic-index-page .ad-citation-actions button:focus-visible img { filter: brightness(0) invert(1); opacity: 1; }
html[data-theme="dark"] .academic-index-page .ad-citation-dialog { border-color: rgba(225, 235, 228, .12); background: #161e19; }
html[data-theme="dark"] .academic-index-page .ad-citation-record { background: color-mix(in srgb, var(--journal-soft, #27302a) 36%, #161e19); }
html[data-theme="dark"] .academic-index-page .ad-citation-actions button,
html[data-theme="dark"] .academic-index-page .ad-citation-actions button:nth-last-child(-n + 3) { color: #d8e7de; border-color: rgba(216, 231, 222, .14); background: rgba(255, 255, 255, .045); }
html[data-theme="dark"] .academic-index-page .ad-citation-actions button:hover,
html[data-theme="dark"] .academic-index-page .ad-citation-actions button:focus-visible { color: #fff; border-color: #58768a; background: #58768a; }
@media (max-width: 680px) {
  .academic-index-page .ad-citation-dialog { width: calc(100% - 20px); max-height: 90vh; border-radius: 18px; }
  .academic-index-page .ad-citation-dialog [data-ap-citation-content] { padding: 24px 18px 20px; }
  .academic-index-page .ad-citation-dialog h2 { font-size: 26px; }
  .academic-index-page .ad-citation-dialog .ad-dialog-summary { margin-right: 36px; }
  .academic-index-page .ad-citation-record small { white-space: normal; }
  .academic-index-page .ad-citation-actions { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .academic-index-page .ad-citation-actions button:last-child { grid-column: 1 / -1; }
}

@media (prefers-reduced-motion: reduce) {
  .academic-index-page *, .academic-index-page *::before, .academic-index-page *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}

/* 2026-08 literature desk refinement: white canvas, readable controls, card accordion. */
html[data-theme="light"] body.academic-index-page {
  --ai-paper: #fff;
  --ai-paper-bright: #fff;
  background: #fff;
}
.academic-index-page .resource-flow-screen,
.academic-index-page .ad-index-sidebar,
.academic-index-page .academic-discovery-main { background: var(--ai-paper-bright); }
.academic-index-page .site-header { background: color-mix(in srgb, var(--ai-paper-bright) 96%, transparent); }
.academic-index-page .site-header .header-actions { display: flex; }
.academic-index-page .site-header .header-quick-actions { display: flex; }
.academic-index-page .site-header .header-contact { display: inline-flex; }

.academic-index-page .ad-index-side-title h2 { font-size: 17px; }
.academic-index-page .ad-index-side-title > button,
.academic-index-page .ad-index-scope .ad-literature-tools label > span,
.academic-index-page .ad-index-scope .ad-literature-tools select,
.academic-index-page .ad-nebula-labels button,
.academic-index-page .ad-flow-workspace-actions button { font-size: 13px; }
.academic-index-page .ad-search-memory-status,
.academic-index-page .ad-search-preset-empty,
.academic-index-page .ad-index-side-note { font-size: 12px; line-height: 1.75; }
.academic-index-page .ad-search-preset > button:first-child { min-height: 44px; font-size: 13px; }
.academic-index-page .ad-index-side-note { grid-template-columns: 24px minmax(0, 1fr); align-items: start; }
.academic-index-page .ad-index-side-note img { width: 22px; height: 22px; }

.academic-index-page .ad-flow-feature { margin-top: 18px; border: 0; }
.academic-index-page .ad-nebula-preview {
  display: block;
  padding: 0;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--journal-color, #5f7668) 18%, transparent);
  border-radius: 22px;
  background: color-mix(in srgb, var(--journal-soft, #eef5f0) 62%, #fff);
  box-shadow: 0 16px 38px rgba(41, 55, 47, .07);
}
.academic-index-page .ad-feature-paper-toggle {
  display: grid;
  width: 100%;
  min-height: 96px;
  grid-template-columns: 58px minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 17px 22px 17px 16px;
  border: 0;
  border-radius: 22px;
  color: var(--ai-ink);
  background: transparent;
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: background .22s ease, border-radius .22s ease;
}
.academic-index-page .ad-feature-paper-toggle:hover { background: color-mix(in srgb, var(--journal-soft, #eef5f0) 82%, #fff); }
.academic-index-page .ad-nebula-preview.is-open .ad-feature-paper-toggle { border-radius: 22px 22px 0 0; }
.academic-index-page .ad-feature-paper-toggle .ad-feature-index { padding: 0; }
.academic-index-page .ad-feature-paper-summary { display: grid; min-width: 0; gap: 7px; }
.academic-index-page .ad-feature-paper-summary > span:first-child { color: var(--journal-color); font-size: 10px; font-weight: 720; }
.academic-index-page .ad-feature-paper-summary > strong { display: -webkit-box; overflow: hidden; font-size: 18px; line-height: 1.42; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
.academic-index-page .ad-feature-paper-summary > small { overflow: hidden; color: var(--ai-muted); font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }
.academic-index-page .ad-feature-expand-state { display: inline-flex; align-items: center; gap: 7px; color: var(--journal-color); font-size: 11px; font-weight: 700; }
.academic-index-page .ad-feature-expand-state img { width: 15px; height: 15px; transition: transform .24s ease; }
.academic-index-page .ad-nebula-preview.is-open .ad-feature-expand-state img { transform: rotate(180deg); }
.academic-index-page .ad-feature-paper-panel {
  max-height: 0;
  padding: 0 26px 0 88px;
  overflow: hidden;
  border-top: 1px solid transparent;
  opacity: 0;
  transform: translateY(-8px);
  transition: max-height 720ms var(--rh-ease), padding 720ms var(--rh-ease), opacity 320ms ease, transform 480ms var(--rh-ease), border-color 320ms ease;
  will-change: max-height, opacity, transform;
}
.academic-index-page .ad-nebula-preview.is-open .ad-feature-paper-panel { max-height: none; padding-bottom: 22px; border-top-color: color-mix(in srgb, var(--journal-color) 12%, transparent); opacity: 1; transform: none; }
.academic-index-page .ad-feature-paper-panel[hidden] { display: none; }
.academic-index-page .ad-journal-chip,
.academic-index-page .ad-paper-row-journal {
  display: inline-flex;
  width: fit-content;
  max-width: 100%;
  min-height: 26px;
  align-items: center;
  padding: 0 10px;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--journal-color) 24%, transparent);
  border-radius: 999px;
  color: var(--journal-color) !important;
  background: var(--journal-soft);
  font-weight: 680 !important;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.academic-index-page .ad-editorial-abstract {
  display: block;
  width: 100%;
  max-width: 100%;
  margin: 16px 0 0;
  padding: 12px 14px;
  overflow: hidden;
  border: 0;
  border-radius: 14px;
  color: #4e5550;
  background: color-mix(in srgb, var(--journal-soft, #eef5f0) 54%, #fff);
  font: inherit;
  font-size: 13px;
  line-height: 1.85;
  text-align: left;
  cursor: pointer;
  transition: background .22s ease, box-shadow .22s ease, transform .22s ease;
}
.academic-index-page .ad-editorial-abstract:hover {
  background: color-mix(in srgb, var(--journal-soft, #eef5f0) 78%, #fff);
  box-shadow: 0 8px 22px color-mix(in srgb, var(--journal-color, #5f7668) 12%, transparent);
  transform: translateY(-1px);
}
.academic-index-page .ad-editorial-abstract span {
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 4;
}
.academic-index-page .ad-editorial-abstract[aria-expanded="true"] span { display: block; overflow: visible; }
.academic-index-page .ad-editorial-abstract em {
  display: inline-flex;
  margin-top: 7px;
  color: var(--journal-color, var(--ai-rust));
  font-size: 11px;
  font-style: normal;
  font-weight: 700;
}

.academic-index-page .ad-nebula-preview-actions,
.academic-index-page .ad-paper-actions {
  display: grid;
  grid-template-columns: repeat(7, minmax(76px, 1fr));
  gap: 8px;
  margin-top: 18px;
  padding: 9px;
  border: 0;
  border-radius: 22px;
  background: rgba(255,255,255,.72);
  box-shadow: inset 0 0 0 1px rgba(72, 85, 77, .08);
}
.academic-index-page .ad-nebula-preview-actions button,
.academic-index-page .ad-nebula-preview-actions a,
.academic-index-page .ad-paper-actions button,
.academic-index-page .ad-paper-actions a {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 0 10px;
  border: 0;
  border-radius: 14px !important;
  color: #42574b;
  background: #edf5f0;
  font-size: 11px;
  text-decoration: none;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, filter .2s ease;
}
.academic-index-page .ad-nebula-preview-actions > :nth-child(4n+2),
.academic-index-page .ad-paper-actions > :nth-child(4n+2) { color: #755e36; background: #f8f0dd; }
.academic-index-page .ad-nebula-preview-actions > :nth-child(4n+3),
.academic-index-page .ad-paper-actions > :nth-child(4n+3) { color: #4d6285; background: #eaf0f8; }
.academic-index-page .ad-nebula-preview-actions > :nth-child(4n),
.academic-index-page .ad-paper-actions > :nth-child(4n) { color: #704d72; background: #f3eaf4; }
.academic-index-page .ad-nebula-preview-actions button:hover,
.academic-index-page .ad-nebula-preview-actions a:hover,
.academic-index-page .ad-paper-actions button:hover,
.academic-index-page .ad-paper-actions a:hover {
  color: inherit;
  border: 0;
  box-shadow: 0 8px 18px rgba(50, 61, 55, .11);
  filter: saturate(1.12);
  transform: translateY(-2px);
}

.academic-index-page .ad-paper-grid {
  display: grid;
  gap: 13px;
  margin-top: 18px;
  border: 0;
}
.academic-index-page .ad-paper-record {
  --card-soft: #f7f9f7;
  display: block;
  min-width: 0;
  padding: 0;
  overflow: hidden;
  border: 1px solid rgba(65, 79, 70, .1);
  border-radius: 18px;
  background: var(--card-soft);
  box-shadow: 0 9px 24px rgba(43, 56, 48, .045);
  transition: border-color .25s ease, box-shadow .25s ease, transform .25s ease;
}
.academic-index-page .ad-paper-record:nth-child(4n+1) { --card-soft: #f4f8f5; }
.academic-index-page .ad-paper-record:nth-child(4n+2) { --card-soft: #fbf7ef; }
.academic-index-page .ad-paper-record:nth-child(4n+3) { --card-soft: #f4f6fb; }
.academic-index-page .ad-paper-record:nth-child(4n) { --card-soft: #faf3f5; }
.academic-index-page .ad-paper-record:hover,
.academic-index-page .ad-paper-record.is-open {
  border-color: color-mix(in srgb, var(--journal-color) 28%, transparent);
  box-shadow: 0 16px 34px rgba(39, 55, 46, .08);
}
.academic-index-page .ad-paper-record.is-open { transform: translateY(-1px); }
.academic-index-page .ad-paper-index { padding: 0; color: var(--journal-color); font-family: Georgia, "Times New Roman", serif; font-size: 26px; font-style: italic; }
.academic-index-page .ad-paper-record-line {
  position: relative;
  display: grid;
  width: 100%;
  min-height: 96px;
  align-items: center;
  grid-template-columns: 58px minmax(0, 1fr) auto;
  gap: 14px;
  padding: 17px 22px 17px 16px;
  cursor: pointer;
}
.academic-index-page .ad-paper-record-line:hover { background: color-mix(in srgb, var(--journal-soft) 78%, transparent); }
.academic-index-page .ad-paper-record-summary { display: grid; min-width: 0; gap: 7px; }
.academic-index-page .ad-paper-record-summary > span { color: var(--journal-color); font-size: 10px; font-weight: 720; }
.academic-index-page .ad-paper-record-summary > strong { display: -webkit-box; overflow: hidden; color: var(--ai-ink); font-size: 18px; font-weight: 720; line-height: 1.42; letter-spacing: -.015em; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
.academic-index-page .ad-paper-record-summary > small { overflow: hidden; color: var(--ai-muted); font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }
.academic-index-page .ad-paper-expand-state {
  position: static;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--journal-color);
  font-size: 11px;
  font-weight: 700;
}
.academic-index-page .ad-paper-expand-state img { width: 15px; height: 15px; transition: transform .24s ease; }
.academic-index-page .ad-paper-record.is-open .ad-paper-expand-state img { transform: rotate(180deg); }
.academic-index-page .ad-paper-row-details {
  max-height: 0;
  overflow: hidden;
  border: 0;
  opacity: 0;
  transform: translateY(-8px);
  transition: max-height 720ms var(--rh-ease), opacity 320ms ease, transform 480ms var(--rh-ease);
  will-change: max-height, opacity, transform;
}
.academic-index-page .ad-paper-record.is-open .ad-paper-row-details { max-height: none; opacity: 1; transform: none; }
.academic-index-page .ad-paper-row-details[hidden] { display: none; }
.academic-index-page .ad-paper-row-detail-content { padding: 0 26px 22px 88px; border-top: 1px solid color-mix(in srgb, var(--journal-color) 12%, transparent); }
.academic-index-page .ad-paper-identity {
  display: grid;
  gap: 10px;
  margin: 16px 0 12px;
  padding: 14px 16px;
  border: 1px solid color-mix(in srgb, var(--journal-color) 18%, transparent);
  border-radius: 15px;
  background: color-mix(in srgb, var(--journal-soft) 46%, #fff);
}
.academic-index-page .ad-paper-identity > div { display: grid; grid-template-columns: 48px minmax(0, 1fr); gap: 12px; align-items: start; }
.academic-index-page .ad-paper-identity dt { color: var(--journal-color); font-size: 11px; font-weight: 750; line-height: 1.7; }
.academic-index-page .ad-paper-identity dd { min-width: 0; margin: 0; color: var(--ai-ink); font-size: 12px; line-height: 1.7; }
.academic-index-page .ad-paper-identity a { display: inline-flex; max-width: 100%; align-items: center; gap: 6px; color: var(--journal-color); font-weight: 680; overflow-wrap: anywhere; text-decoration: none; }
.academic-index-page .ad-paper-identity a:hover { text-decoration: underline; text-underline-offset: 3px; }
.academic-index-page .ad-paper-identity a img { width: 13px; height: 13px; }
.academic-index-page .ad-paper-abstract-block { border-left-color: var(--journal-color); }
.academic-index-page .ad-paper-abstract-block > span { color: var(--journal-color); }
.academic-index-page .ad-paper-abstract-block .ad-editorial-abstract { margin-top: 0; }
.academic-index-page .ad-paper-visual {
  display: grid; gap: 9px; max-width: 760px; margin: 16px 0 0; padding: 10px;
  border: 1px solid color-mix(in srgb, var(--journal-color) 18%, transparent); border-radius: 16px;
  background: rgba(255,255,255,.68);
}
.academic-index-page .ad-paper-visual[hidden] { display: none; }
.academic-index-page .ad-paper-visual > img { display: block; width: 100%; max-height: 360px; object-fit: contain; border-radius: 11px; background: #fff; }
.academic-index-page .ad-paper-visual figcaption { display: flex; align-items: center; justify-content: space-between; gap: 14px; color: var(--journal-color); font-size: 11px; font-weight: 700; }
.academic-index-page .ad-paper-visual figcaption a { display: inline-flex; align-items: center; gap: 6px; color: var(--ai-muted); font-weight: 550; text-decoration: none; }
.academic-index-page .ad-paper-visual figcaption a:hover { color: var(--journal-color); }
.academic-index-page .ad-paper-visual figcaption img { width: 13px; height: 13px; }
.academic-index-page .ad-paper-actions { grid-template-columns: repeat(auto-fit, minmax(96px, 1fr)); }
.academic-index-page .ad-paper-routes a,
.academic-index-page .ad-paper-routes button { border-radius: 11px; }
@media (prefers-reduced-motion: reduce) {
  .academic-index-page .ad-feature-paper-panel,
  .academic-index-page .ad-paper-row-details { transition-duration: 0.01ms; }
}

.academic-index-page .ad-paper-footer {
  display: grid;
  min-height: 92px;
  grid-template-columns: minmax(220px, 1fr) auto auto auto;
  align-items: center;
  gap: 14px;
  margin-top: 18px;
  padding: 14px 16px;
  border: 1px solid rgba(61, 75, 66, .1);
  border-radius: 16px;
  background: #f8faf8;
}
.academic-index-page .ad-paper-page-settings,
.academic-index-page .ad-paper-pagination { display: flex; align-items: center; gap: 8px; }
.academic-index-page .ad-paper-page-settings label { display: inline-flex; align-items: center; gap: 6px; }
.academic-index-page .ad-paper-page-settings select { min-height: 36px; padding: 0 28px 0 10px; border: 1px solid var(--ai-line); border-radius: 10px; color: var(--ai-ink); background: #fff; }
.academic-index-page .ad-paper-pagination button,
.academic-index-page .ad-paper-footer-actions button {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  gap: 5px;
  padding: 0 13px;
  border: 0;
  border-radius: 11px;
  color: #34594a;
  background: #e9f2ed;
}
.academic-index-page .ad-paper-pagination button:disabled { cursor: not-allowed; opacity: .45; }
.academic-index-page .ad-paper-pagination img { width: 14px; height: 14px; }
.academic-index-page .ad-paper-pagination output { min-width: 76px; text-align: center; }

html[data-theme="dark"] body.academic-index-page {
  --ai-paper: #101512;
  --ai-paper-bright: #121914;
  --ai-ink: #edf3ef;
  --ai-muted: #aab6af;
  --ai-faint: #859188;
  --ai-line: #303a33;
  --ai-line-dark: #475249;
  color: var(--ai-ink);
  background: var(--ai-paper);
}
html[data-theme="dark"] .academic-index-page .site-header { background: rgba(14,20,16,.94); }
html[data-theme="dark"] .academic-index-page .ad-editorial-search,
html[data-theme="dark"] .academic-index-page .ad-editorial-search button[type="reset"],
html[data-theme="dark"] .academic-index-page .ad-paper-page-settings select { color: var(--ai-ink); background: #18201a; }
html[data-theme="dark"] .academic-index-page .ad-nebula-preview,
html[data-theme="dark"] .academic-index-page .ad-paper-record { background: color-mix(in srgb, var(--journal-color, #5f7668) 10%, #151c17); }
html[data-theme="dark"] .academic-index-page .ad-feature-paper-toggle { color: var(--ai-ink); }
html[data-theme="dark"] .academic-index-page .ad-feature-paper-toggle:hover { background: rgba(255,255,255,.04); }
html[data-theme="dark"] .academic-index-page .ad-editorial-abstract,
html[data-theme="dark"] .academic-index-page .ad-editorial-abstract:hover { color: #c3cdc6; background: rgba(255,255,255,.045); }
html[data-theme="dark"] .academic-index-page .ad-paper-identity { background: color-mix(in srgb, var(--journal-color) 10%, #151c17); }
html[data-theme="dark"] .academic-index-page .ad-nebula-preview-actions,
html[data-theme="dark"] .academic-index-page .ad-paper-actions { background: rgba(0,0,0,.16); }
html[data-theme="dark"] .academic-index-page .ad-nebula-preview-actions > *,
html[data-theme="dark"] .academic-index-page .ad-paper-actions > * { filter: brightness(.78) saturate(.8); }
html[data-theme="dark"] .academic-index-page .ad-paper-footer { background: #161d18; }

@media (max-width: 1180px) {
  .academic-index-page .ad-paper-footer { grid-template-columns: 1fr auto; }
  .academic-index-page .ad-paper-footer > p { grid-column: 1 / -1; }
}
@media (max-width: 900px) {
  .academic-index-page .ad-nebula-preview-actions { grid-template-columns: repeat(4, minmax(80px, 1fr)); }
}
@media (max-width: 680px) {
  .academic-index-page .site-header .header-contact { display: none; }
  .academic-index-page .ad-feature-paper-toggle { grid-template-columns: 38px minmax(0,1fr); padding: 14px; }
  .academic-index-page .ad-feature-expand-state { grid-column: 2; }
  .academic-index-page .ad-feature-paper-panel { padding-right: 14px; padding-left: 14px; }
  .academic-index-page .ad-nebula-preview.is-open .ad-feature-paper-panel { padding-bottom: 16px; }
  .academic-index-page .ad-nebula-preview-actions,
  .academic-index-page .ad-paper-actions { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .academic-index-page .ad-paper-record-line { grid-template-columns: 38px minmax(0,1fr); padding: 14px; }
  .academic-index-page .ad-paper-expand-state { grid-column: 2; }
  .academic-index-page .ad-paper-row-detail-content { padding: 0 14px 16px; }
  .academic-index-page .ad-paper-identity > div { grid-template-columns: 40px minmax(0, 1fr); gap: 8px; }
  .academic-index-page .ad-paper-footer { display: flex; align-items: stretch; }
  .academic-index-page .ad-paper-page-settings,
  .academic-index-page .ad-paper-pagination { flex-wrap: wrap; }
}