/* Article detail v3 (2026-09-29): sober, report-style page — serif title, one hairline fact strip,
   neutral chips and icons; colour kept only for quartile marks (muted Q1 green … Q4 brick). */
.ax {
  --ink: #111526; --text: #1b2033; --mute: #5c6477; --soft: #8b92a3; --line: #e8e4e5; --line2: #f1eeee; --paper: #faf9f8; --red: #c1121f;
  --q1: #2f7a57; --q2: #a8841f; --q3: #b7632c; --q4: #a93b3b;
  --disp: "Fraunces", Georgia, "Times New Roman", serif;
  background: var(--paper); color: var(--text); padding-bottom: 4rem;
}
.ax-wrap { max-width: 1180px; margin: 0 auto; padding: 0 1.1rem; }
.ax-q--q1 { --qc: var(--q1); }
.ax-q--q2 { --qc: var(--q2); }
.ax-q--q3 { --qc: var(--q3); }
.ax-q--q4 { --qc: var(--q4); }

/* hero */
.ax-hero { padding: 1.3rem 0 2rem; background: #fff; border-bottom: 1px solid var(--line); }
.ax-crumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 0.45rem; font-size: 0.8rem; color: var(--soft); }
.ax-crumbs a { color: var(--mute); text-decoration: none; }
.ax-crumbs a:hover { color: var(--red); }
.ax-crumbs [aria-current] { color: var(--text); max-width: 46ch; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ax-kicker { display: inline-flex; align-items: center; gap: 0.55rem; margin: 1.5rem 0 0; font-size: 0.7rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--red); }
.ax-kicker::before { content: ""; width: 22px; height: 1px; background: currentColor; }
.ax-title { margin: 0.7rem 0 0; max-width: 34ch; font: 600 clamp(1.7rem, 3.6vw, 2.6rem)/1.15 var(--disp); letter-spacing: -0.02em; color: var(--ink); text-wrap: balance; }
.ax-journal { display: flex; flex-wrap: wrap; align-items: center; gap: 0.7rem 1rem; margin-top: 1.2rem; padding: 0.8rem 1rem; max-width: 820px; border-radius: 10px; background: #fff; border: 1px solid var(--line); }
.ax-journal__ic { flex: none; display: grid; place-items: center; width: 2.3rem; height: 2.3rem; border-radius: 8px; background: var(--line2); color: var(--mute); }
.ax-journal__ic svg { width: 20px; height: 20px; }
.ax-journal__txt { display: grid; gap: 0.1rem; min-width: 0; flex: 1; }
.ax-journal__k { font-size: 0.64rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--soft); }
.ax-journal__name { font-size: 1rem; font-weight: 700; color: var(--ink); text-decoration: none; line-height: 1.35; }
a.ax-journal__name:hover { color: var(--red); text-decoration: underline; text-underline-offset: 3px; }
.ax-journal__note { font-size: 0.78rem; color: #92620a; }
.ax-journal__issn { display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.3rem 0.6rem; border-radius: 6px; background: var(--line2); font: 600 0.8rem ui-monospace, SFMono-Regular, Menlo, monospace; color: var(--text); }
.ax-journal__issn em { font: 700 0.6rem Inter, system-ui, sans-serif; font-style: normal; letter-spacing: 0.08em; color: var(--soft); }
.ax-badges { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.9rem; }
.ax-badge { display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.25rem 0.6rem; border-radius: 6px; background: #fff; border: 1px solid var(--line); font-size: 0.74rem; font-weight: 700; color: var(--mute); }
.ax-badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--bc, var(--soft)); }
.ax-badge svg { width: 12px; height: 12px; }
.ax-badge--open::before { display: none; }
.ax-badge--yok { --bc: var(--red); }
.ax-badge--oa { --bc: #0f766e; }
.ax-badge--open { color: #7a5a12; }
.ax-badge--tr { --bc: #2f5673; }
.ax-badge--top { --bc: var(--q2); color: var(--ink); }
.ax-badge--q { --bc: var(--qc); }

/* fact strip: one bordered panel, hairline-separated cells */
.ax-kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr)); max-width: 980px; margin-top: 1.3rem; border: 1px solid var(--line); border-radius: 10px; background: #fff; overflow: hidden; }
.ax-kpi { display: grid; align-content: start; gap: 0.2rem; padding: 0.8rem 1rem 0.85rem; box-shadow: -1px 0 0 var(--line), 0 -1px 0 var(--line); }
.ax-kpi span { font-size: 0.64rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--soft); }
.ax-kpi b { font: 600 1.6rem/1.1 var(--disp); color: var(--ink); letter-spacing: -0.01em; font-variant-numeric: tabular-nums; }
.ax-kpi small { font-size: 0.7rem; color: var(--soft); }
.ax-kpi--q b { color: var(--qc); }
.ax-kpi__track { position: relative; display: block; height: 4px; margin-top: 0.45rem; border-radius: 2px; background: var(--line2); }
.ax-kpi__track b { position: absolute; inset: 0 auto 0 0; border-radius: 2px; background: #c9c3c5; }
.ax-kpi__track em { position: absolute; top: -4px; bottom: -4px; width: 2px; margin-left: -1px; background: var(--ink); }
.ax-qs { display: flex; gap: 2px; margin-top: 0.45rem; max-width: 9rem; }
.ax-qs i { flex: 1; padding: 0.08rem 0; border-radius: 2px; background: var(--line2); color: var(--soft); font-style: normal; font-size: 0.58rem; font-weight: 700; text-align: center; }
.ax-qs i.on { background: var(--qc); color: #fff; }
.ax-links { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1.1rem; }
.ax-link { display: inline-flex; align-items: center; gap: 0.5rem; max-width: 100%; padding: 0.5rem 0.85rem; border-radius: 8px; background: #fff; border: 1px solid var(--line); color: var(--text); font-size: 0.84rem; font-weight: 600; text-decoration: none; overflow: hidden; }
.ax-link > span { flex: none; font-size: 0.62rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--soft); }
.ax-link code { font-size: 0.8rem; word-break: break-all; }
.ax-link svg { flex: none; width: 14px; height: 14px; }
a.ax-link:hover { border-color: var(--ink); color: var(--ink); text-decoration: none; }
.ax-link--main { background: var(--ink); border-color: var(--ink); color: #fff; }
.ax-link--main > span { color: rgba(255, 255, 255, 0.6); }
a.ax-link--main:hover { background: #2a3048; border-color: #2a3048; color: #fff; }

/* provenance ribbon: plain list, colour only on the dots */
.ax-prov { background: #fff; border-bottom: 1px solid var(--line); }
.ax-prov__in { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.5rem 1.2rem; padding-top: 0.8rem; padding-bottom: 0.8rem; }
.ax-prov__lead { margin: 0; font-size: 0.62rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--soft); }
.ax-prov__list { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.35rem 1.2rem; }
.ax-prov__list li { display: inline-flex; align-items: baseline; gap: 0.4rem; font-size: 0.8rem; color: var(--mute); }
.ax-prov__list li::before { content: ""; align-self: center; width: 6px; height: 6px; border-radius: 50%; background: rgb(var(--c, 139, 146, 163)); }
.ax-prov__list b { color: var(--ink); font-weight: 700; }
.ax-prov__list .is-muted { color: var(--soft); }

/* layout + cards */
.ax-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 370px); gap: 1.1rem; margin-top: 1.5rem; align-items: start; }
.ax-main, .ax-aside { display: grid; gap: 1rem; min-width: 0; }
.ax-card { padding: 1.25rem 1.35rem; border-radius: 12px; background: #fff; border: 1px solid var(--line); }
.ax-card__head { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 0.95rem; padding-bottom: 0.75rem; border-bottom: 1px solid var(--line2); }
.ax-card__head h2 { margin: 0; font: 600 1.2rem/1.2 var(--disp); color: var(--ink); letter-spacing: -0.01em; }
.ax-card__head--stack { display: grid; gap: 0.25rem; }
.ax-card__head--split { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 1rem; align-items: start; }
.ax-card__headl { display: flex; align-items: flex-start; gap: 0.6rem; }
.ax-card__lead { margin: 0.2rem 0 0; font-size: 0.82rem; color: var(--mute); line-height: 1.5; }
.ax-card__ic { flex: none; display: grid; place-items: center; width: 2rem; height: 2rem; border-radius: 8px; background: var(--line2); color: var(--mute); }
.ax-card__ic svg { width: 17px; height: 17px; }
.ax-card__count { margin-left: auto; padding: 0.1rem 0.5rem; border-radius: 6px; background: var(--line2); color: var(--mute); font-size: 0.76rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.ax-muted { margin: 0; color: var(--soft); font-size: 0.9rem; }

/* abstract */
.ax-abs__block + .ax-abs__block { margin-top: 1.2rem; padding-top: 1.2rem; border-top: 1px solid var(--line2); }
.ax-abs__meta { display: flex; gap: 0.8rem; margin: 0 0 0.55rem; }
.ax-abs__src, .ax-abs__lang { font-size: 0.64rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--soft); }
.ax-abs__src { color: var(--mute); }
.ax-abs__text { margin: 0; font: 400 1.04rem/1.8 var(--disp); color: #262c3d; max-width: 72ch; }
.ax-empty { display: flex; align-items: center; gap: 0.9rem; padding: 0.9rem 1rem; border-radius: 10px; background: var(--paper); border: 1px dashed var(--line); }
.ax-empty span { flex: none; display: grid; place-items: center; width: 2.2rem; height: 2.2rem; border-radius: 50%; background: #fff; color: var(--soft); }
.ax-empty svg { width: 18px; height: 18px; }
.ax-empty p { margin: 0; font-size: 0.88rem; line-height: 1.55; color: var(--mute); }

/* topics */
.ax-topics { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.4rem; }
.ax-topic { display: inline-flex; align-items: center; gap: 0.45rem; padding: 0.38rem 0.75rem; border-radius: 6px; background: #fff; border: 1px solid var(--line); color: var(--text); font-size: 0.85rem; font-weight: 600; text-decoration: none; transition: border-color 0.15s, color 0.15s; }
a.ax-topic:hover { border-color: var(--ink); color: var(--ink); text-decoration: none; }
.ax-topic.is-primary { border-color: var(--ink); color: var(--ink); font-weight: 700; }
.ax-topic em { font-style: normal; padding: 0.02rem 0.4rem; border-radius: 4px; background: var(--ink); color: #fff; font-size: 0.62rem; font-weight: 700; letter-spacing: 0.04em; }

/* citations */
.ax-cites__n { display: grid; justify-items: end; margin: 0; }
.ax-cites__n b { font: 600 2.3rem/1 var(--disp); color: var(--ink); letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.ax-cites__n span { font-size: 0.78rem; font-weight: 700; color: var(--mute); }
.ax-cites__n small { font-size: 0.7rem; color: var(--soft); max-width: 22ch; text-align: right; }
.ax-cites__lead { margin: 0 0 0.6rem; font-size: 0.85rem; color: var(--mute); }
.ax-cites__list { list-style: none; margin: 0; padding: 0; display: grid; }
.ax-cites__list li + li { border-top: 1px solid var(--line2); }
.ax-cite { display: grid; grid-template-columns: 3.2rem minmax(0, 1fr); gap: 0.8rem; align-items: baseline; padding: 0.65rem 0.2rem; color: var(--text); text-decoration: none; transition: background 0.15s; }
.ax-cite:hover { background: var(--paper); text-decoration: none; }
.ax-cite__y { font-size: 0.8rem; font-weight: 700; color: var(--mute); font-variant-numeric: tabular-nums; }
.ax-cite__t { font-size: 0.92rem; font-weight: 600; line-height: 1.4; }
.ax-cite:hover .ax-cite__t { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
.ax-cite__t small { display: block; margin-top: 0.15rem; font-size: 0.73rem; font-weight: 500; color: var(--soft); }
.ax-pager { display: flex; align-items: center; justify-content: center; gap: 0.5rem; margin-top: 0.9rem; }
.ax-pager a, .ax-pager .is-off { padding: 0.4rem 0.8rem; border-radius: 8px; border: 1px solid var(--line); font-size: 0.82rem; font-weight: 600; color: var(--text); text-decoration: none; }
.ax-pager a:hover { border-color: var(--ink); }
.ax-pager .is-off { opacity: 0.4; }
.ax-pager__n { padding: 0.4rem 0.8rem; font-size: 0.8rem; font-weight: 700; color: var(--mute); }

/* authors */
.ax-authors { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 1.2rem; }
.ax-author { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 0.7rem; align-items: center; padding: 0.6rem 0; border-bottom: 1px solid var(--line2); }
.ax-author__av { display: grid; place-items: center; width: 2.1rem; height: 2.1rem; border-radius: 50%; background: var(--line2); color: var(--mute); font-size: 0.74rem; font-weight: 700; }
.ax-author.is-linked .ax-author__av { background: #fff; box-shadow: inset 0 0 0 1px var(--ink); color: var(--ink); }
.ax-author__txt { display: grid; gap: 0.05rem; min-width: 0; }
.ax-author__name { font-size: 0.9rem; font-weight: 700; color: var(--ink); text-decoration: none; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
a.ax-author__name:hover { color: var(--red); text-decoration: underline; text-underline-offset: 3px; }
.ax-author__uni { font-size: 0.73rem; color: var(--soft); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ax-author__n { font-size: 0.7rem; font-weight: 700; color: var(--soft); font-variant-numeric: tabular-nums; }

/* aside: index */
.ax-idx__card { padding: 0.95rem 1rem; border-radius: 10px; background: #fff; border: 1px solid var(--line); }
.ax-idx__card + .ax-idx__card { margin-top: 0.7rem; }
.ax-idx__src { margin: 0; font-size: 0.62rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--soft); }
.ax-idx__title { margin: 0.3rem 0 0.75rem; font-size: 0.95rem; font-weight: 700; line-height: 1.35; color: var(--ink); }
.ax-idx__qs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--line2); }
.ax-idx__q { display: grid; align-content: start; gap: 0.12rem; padding: 0.7rem 0.8rem 0.2rem; }
.ax-idx__q:first-child { padding-left: 0; }
.ax-idx__q + .ax-idx__q { border-left: 1px solid var(--line2); }
.ax-idx__qlab { font-size: 0.62rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--soft); }
.ax-idx__q strong { font: 600 1.5rem/1.1 var(--disp); color: var(--qc, var(--ink)); }
.ax-idx__qval { font-size: 0.8rem; font-weight: 600; color: var(--text); }
.ax-idx__qyr { font-size: 0.72rem; color: var(--soft); }
.ax-warn { margin: 0.4rem 0 0; padding: 0.4rem 0.55rem; border-radius: 6px; background: #fbf6ea; border: 1px solid #efe2bf; color: #7a5a12; font-size: 0.74rem; line-height: 1.45; }
.ax-idx__years { margin: 0 0 0.45rem; font-size: 0.84rem; color: var(--text); }
.ax-idx__years span { margin-right: 0.35rem; font-size: 0.62rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--soft); }
.ax-idx__ok { margin: 0 0 0.45rem; font-size: 0.84rem; font-weight: 600; }
.ax-idx__ok.is-yes { color: var(--q1); }
.ax-idx__ok.is-no { color: var(--q4); }
.ax-idx__link { display: inline-block; margin-top: 0.6rem; font-size: 0.82rem; font-weight: 700; color: var(--ink); text-decoration: none; }
.ax-idx__link:hover { color: var(--red); text-decoration: underline; }
.ax-unis { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.4rem; }
.ax-unis li { padding: 0.35rem 0.7rem; border-radius: 6px; background: #fff; border: 1px solid var(--line); color: var(--text); font-size: 0.8rem; font-weight: 600; }

@media (max-width: 980px) {
  .ax-layout { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .ax-kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ax-authors { grid-template-columns: 1fr; }
  .ax-card { padding: 1.05rem 1rem; }
  .ax-cites__n { justify-items: start; }
  .ax-cites__n small { text-align: left; }
  .ax-crumbs [aria-current] { max-width: 22ch; }
}
@media (prefers-reduced-motion: reduce) { .ax-topic, .ax-cite { transition: none; } }

.ax-kpi small a { color: var(--mute); text-decoration: underline; text-underline-offset: 2px; }