/* Research hub and article pages */
.article-page,
.hub-page {
  background: #f7f8fb;
  color: #162033;
}
.article-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-size: .95rem;
  font-weight: 700;
}
.article-nav a {
  color: #26344f;
  text-decoration: none;
}
.article-nav a:hover,
.article-nav a.active {
  color: #00274c;
}
.hub-main,
.article-main {
  padding-top: 86px;
}
.hub-hero {
  padding: 5.5rem 0 3rem;
  background:
    radial-gradient(circle at 85% 20%, rgba(255,203,5,.18), transparent 28%),
    linear-gradient(180deg, #f8fbff 0%, #eef4fa 100%);
  border-bottom: 1px solid rgba(0,39,76,.08);
}
.hub-hero h1,
.cv-panel h1,
.article-hero h1 {
  color: #00274c;
  letter-spacing: -.035em;
  margin: .35rem 0 1rem;
}
.hub-hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
}
.hub-hero > .container > p:last-of-type {
  max-width: 720px;
  font-size: 1.08rem;
  color: #526077;
}
.hub-filters {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem;
  margin-top: 2rem;
}
.hub-filters button {
  border: 1px solid rgba(0,39,76,.16);
  background: #fff;
  color: #20334f;
  border-radius: 999px;
  padding: .65rem 1rem;
  font: inherit;
  cursor: pointer;
}
.hub-filters button.active,
.hub-filters button:hover {
  background: #00274c;
  color: #fff;
}
.hub-grid,
.home-article-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 1.35rem;
}
.hub-filter-item {
  min-width: 0;
}
.hub-card {
  height: 100%;
  border: 1px solid rgba(0,39,76,.1);
  border-radius: 20px;
  background: #fff;
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(23,42,67,.07);
  transition: transform .2s ease, box-shadow .2s ease;
}
.hub-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 22px 48px rgba(23,42,67,.11);
}
.hub-card-link {
  color: inherit;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  height: 100%;
}
.hub-card-media {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background:
    radial-gradient(circle at 24% 30%, rgba(255,203,5,.65), transparent 18%),
    radial-gradient(circle at 70% 64%, rgba(32,117,180,.55), transparent 24%),
    linear-gradient(135deg, #001f3d, #00447c 55%, #e8eef5);
}
.hub-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hub-card-placeholder {
  width: 100%;
  height: 100%;
  background:
    linear-gradient(115deg, transparent 0 42%, rgba(255,255,255,.22) 42% 44%, transparent 44% 100%),
    repeating-radial-gradient(circle at 70% 50%, transparent 0 18px, rgba(255,255,255,.14) 19px 20px);
}
.hub-card-body {
  padding: 1.2rem 1.25rem 1.35rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.hub-card-meta {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: #65728a;
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  font-weight: 700;
}
.hub-card-body h3 {
  color: #00274c;
  line-height: 1.25;
  margin: .8rem 0 .65rem;
  font-size: 1.28rem;
}
.hub-card-body p {
  color: #586579;
  line-height: 1.65;
  margin: 0 0 1rem;
}
.hub-card-read {
  color: #00274c;
  font-weight: 800;
  margin-top: auto;
}
.home-articles-section .section-heading {
  align-items: end;
}
.home-article-actions {
  margin-top: 1.6rem;
  display: flex;
  justify-content: flex-end;
}
.home-featured-layout {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 1.5rem;
}
.featured-list,
.topic-list {
  display: grid;
  gap: .75rem;
}
.featured-link,
.topic-link {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding: 1rem 1.1rem;
  border-radius: 14px;
  background: #fff;
  border: 1px solid rgba(0,39,76,.1);
  text-decoration: none;
  color: #20334f;
}
.featured-link strong,
.topic-link strong {
  color: #00274c;
}
.featured-link:hover,
.topic-link:hover {
  border-color: rgba(0,39,76,.28);
}
.article-shell {
  width: min(960px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 4rem 0 6rem;
}
.article-hero {
  padding: 2.5rem 0 2rem;
}
.article-kicker {
  text-transform: uppercase;
  letter-spacing: .09em;
  font-size: .78rem;
  font-weight: 800;
  color: #45627f;
}
.article-hero h1 {
  max-width: 850px;
  font-size: clamp(2.5rem, 6vw, 4.8rem);
  line-height: 1.04;
}
.article-deck {
  max-width: 780px;
  font-size: 1.2rem;
  line-height: 1.7;
  color: #586579;
}
.article-byline {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem 1.25rem;
  margin-top: 1.35rem;
  color: #6b7688;
  font-size: .9rem;
}
.article-cover {
  margin: 2rem 0 0;
}
.article-cover img {
  width: 100%;
  border-radius: 18px;
}
.article-content {
  background: #fff;
  padding: clamp(1.4rem,4vw,3.5rem);
  border: 1px solid rgba(0,39,76,.08);
  border-radius: 22px;
  box-shadow: 0 16px 45px rgba(23,42,67,.06);
  font-size: 1.04rem;
  line-height: 1.85;
}
.article-content h2,
.article-content h3 {
  color: #00274c;
  line-height: 1.25;
  margin-top: 2.2rem;
}
.article-content h2 {
  font-size: 1.75rem;
  border-bottom: 1px solid rgba(0,39,76,.1);
  padding-bottom: .55rem;
}
.article-content pre {
  overflow-x: auto;
  padding: 1rem;
  background: #0f1724;
  color: #ecf3ff;
  border-radius: 12px;
}
.article-content code {
  font-size: .92em;
}
.article-content blockquote {
  margin: 1.5rem 0;
  padding: .2rem 0 .2rem 1rem;
  border-left: 4px solid #ffcb05;
  color: #526077;
}
.article-footer {
  display: flex;
  justify-content: space-between;
  margin-top: 1.25rem;
}
.article-footer a {
  color: #00274c;
  font-weight: 800;
  text-decoration: none;
}
.cv-hero {
  min-height: calc(100vh - 86px);
  display: grid;
  place-items: center;
  padding: 4rem 0;
}
.cv-panel {
  background: #fff;
  border: 1px solid rgba(0,39,76,.09);
  border-radius: 22px;
  padding: clamp(2rem,5vw,4.5rem);
  box-shadow: 0 20px 55px rgba(23,42,67,.08);
}
.cv-panel h1 {
  font-size: clamp(2.5rem,6vw,4.5rem);
}
.cv-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
  margin: 1.5rem 0;
}
.cv-note {
  max-width: 700px;
  color: #687488;
}
@media (max-width: 900px) {
  .article-nav { display: none; }
  .hub-grid,
  .home-article-grid { grid-template-columns: 1fr; }
  .home-featured-layout { grid-template-columns: 1fr; }
}


/* =======================================================================
   Science magazine redesign
   ======================================================================= */
.magazine-page {
  --ink:#102a43;
  --ink-2:#243b53;
  --muted:#66788a;
  --line:#dbe5ed;
  --paper:#fbfcfd;
  --blue:#0b6fb8;
  --navy:#00274c;
  --gold:#ffcb05;
  background:
    radial-gradient(circle at 86% 4%, rgba(255,203,5,.08), transparent 24rem),
    linear-gradient(180deg,#ffffff 0,#fbfcfd 28rem,#ffffff 100%);
}
.magazine-main { padding-top:86px; }
.magazine-masthead { padding:3.5rem 0 1.4rem; }
.magazine-rule { height:5px; background:#102a43; border-radius:999px; }
.magazine-rule.thin { height:1px; background:#cbd8e2; }
.magazine-title-row {
  display:grid;
  grid-template-columns:minmax(0,1.18fr) minmax(280px,.82fr);
  gap:4rem;
  align-items:end;
  padding:2.25rem 0 2rem;
}
.magazine-eyebrow {
  margin:0 0 .6rem;
  color:#597086;
  font-size:.76rem;
  line-height:1.4;
  text-transform:uppercase;
  letter-spacing:.16em;
  font-weight:800;
}
.magazine-title-row h1,
.magazine-section-head h2,
.magazine-note-card h2,
.lead-story-copy h2 {
  font-family:Georgia,"Times New Roman",serif;
  color:var(--ink);
  letter-spacing:-.045em;
}
.magazine-title-row h1 {
  margin:0;
  font-size:clamp(3.25rem,8vw,7rem);
  line-height:.88;
  font-weight:500;
}
.magazine-intro {
  margin:0;
  max-width:38rem;
  color:#4e6275;
  font-size:1.08rem;
  line-height:1.75;
}
.magazine-lead { padding:1.2rem 0 3.5rem; }
.lead-story {
  display:grid;
  grid-template-columns:minmax(0,1.38fr) minmax(300px,.82fr);
  min-height:520px;
  border:1px solid #dfe8ef;
  background:#fff;
  border-radius:28px;
  overflow:hidden;
  text-decoration:none;
  box-shadow:0 28px 70px rgba(32,52,73,.08);
  transition:transform .35s ease,box-shadow .35s ease;
}
.lead-story:hover {
  transform:translateY(-5px);
  box-shadow:0 36px 90px rgba(32,52,73,.12);
}
.lead-story-media {
  position:relative;
  min-height:480px;
  background:#f4f8fb;
  overflow:hidden;
}
.lead-story-media img { width:100%; height:100%; object-fit:cover; display:block; }
.lead-chip {
  position:absolute;
  top:1.25rem;
  left:1.25rem;
  padding:.58rem .82rem;
  border-radius:999px;
  background:rgba(255,255,255,.92);
  color:var(--navy);
  box-shadow:0 8px 20px rgba(0,39,76,.08);
  font-size:.72rem;
  text-transform:uppercase;
  letter-spacing:.11em;
  font-weight:900;
  backdrop-filter:blur(10px);
}
.lead-story-copy {
  display:flex;
  flex-direction:column;
  justify-content:center;
  padding:clamp(2rem,5vw,4rem);
  color:var(--ink-2);
}
.story-source {
  display:flex;
  flex-wrap:wrap;
  gap:.55rem 1rem;
  color:#67798c;
  font-size:.73rem;
  font-weight:800;
  text-transform:uppercase;
  letter-spacing:.09em;
}
.lead-story-copy h2 {
  margin:1.2rem 0 1rem;
  font-size:clamp(2rem,4vw,3.6rem);
  line-height:1.02;
  font-weight:500;
}
.lead-story-copy p { margin:0; color:#566b7c; line-height:1.75; font-size:1.03rem; }
.story-actions {
  display:flex;
  justify-content:space-between;
  gap:1rem;
  align-items:center;
  margin-top:2rem;
  padding-top:1.2rem;
  border-top:1px solid var(--line);
  color:var(--navy);
  font-weight:850;
}
.magazine-section { padding:4.4rem 0; }
.magazine-section + .magazine-section { border-top:1px solid #e3eaf0; }
.magazine-section-head {
  display:flex;
  justify-content:space-between;
  gap:2rem;
  align-items:end;
  margin-bottom:1.75rem;
}
.magazine-section-head h2 {
  margin:0;
  font-size:clamp(2.15rem,4vw,3.45rem);
  line-height:1;
  font-weight:500;
}
.magazine-section-head > a {
  color:var(--navy);
  text-decoration:none;
  font-weight:800;
  white-space:nowrap;
}
.section-note {
  max-width:33rem;
  margin:0;
  color:#687c8d;
  line-height:1.65;
}
.latest-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:1.35rem; }
.topics-section { background:linear-gradient(180deg,#f9fbfc 0,#fff 100%); }
.topic-magazine-grid {
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:1px;
  border:1px solid var(--line);
  background:var(--line);
  border-radius:22px;
  overflow:hidden;
}
.topic-magazine-card {
  min-height:240px;
  padding:1.45rem;
  border:0;
  background:#fff;
  color:var(--ink);
  text-align:left;
  font:inherit;
  cursor:pointer;
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  transition:background .25s ease,transform .25s ease;
}
.topic-magazine-card:hover { background:#f4f9fc; }
.topic-index {
  color:#8da0b2;
  font-family:Georgia,"Times New Roman",serif;
  font-size:1.1rem;
}
.topic-magazine-card strong {
  margin-top:auto;
  font-family:Georgia,"Times New Roman",serif;
  font-size:1.45rem;
  line-height:1.12;
  font-weight:500;
}
.topic-magazine-card > span:nth-of-type(2) { margin-top:.5rem; color:#718496; font-size:.88rem; }
.topic-arrow { margin-top:1.1rem; color:var(--blue); font-size:1.35rem; }
.selected-section { background:#fffdf7; }
.selected-list { border-top:1px solid #d9e2e8; }
.selected-story {
  display:grid;
  grid-template-columns:72px minmax(0,1fr) 42px;
  gap:1rem;
  align-items:center;
  padding:1.35rem .25rem;
  border-bottom:1px solid #d9e2e8;
  color:inherit;
  text-decoration:none;
  transition:padding-left .22s ease,background .22s ease;
}
.selected-story:hover { padding-left:.6rem; }
.selected-number {
  font-family:Georgia,"Times New Roman",serif;
  color:#8b9cab;
  font-size:1.25rem;
}
.selected-copy > span {
  color:#758798;
  font-size:.72rem;
  letter-spacing:.08em;
  text-transform:uppercase;
  font-weight:800;
}
.selected-copy h3 {
  margin:.35rem 0 0;
  font-family:Georgia,"Times New Roman",serif;
  color:var(--ink);
  font-size:clamp(1.25rem,2vw,1.75rem);
  font-weight:500;
}
.selected-arrow { color:var(--blue); font-size:1.35rem; }
.archive-head { align-items:center; }
.archive-tools { min-width:min(100%,340px); }
.article-search input {
  width:100%;
  border:1px solid #ccd9e3;
  background:#fff;
  border-radius:999px;
  padding:.9rem 1.15rem;
  color:var(--ink);
  font:inherit;
  outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.article-search input:focus {
  border-color:#75acd0;
  box-shadow:0 0 0 4px rgba(11,111,184,.08);
}
.archive-grid { margin-top:1.5rem; }
.archive-empty { padding:3rem 0; color:#748696; text-align:center; }
.magazine-note { padding:2rem 0 6rem; }
.magazine-note-card {
  padding:clamp(2rem,5vw,4.6rem);
  border-radius:28px;
  background:
    radial-gradient(circle at 90% 8%,rgba(255,203,5,.18),transparent 16rem),
    #eef6fb;
  border:1px solid #d7e5ef;
}
.magazine-note-card h2 {
  margin:.25rem 0 1rem;
  font-size:clamp(2rem,4vw,3.65rem);
  line-height:1;
  font-weight:500;
}
.magazine-note-card p { max-width:52rem; color:#546a7c; line-height:1.8; }
.magazine-note-card a { display:inline-block; margin-top:.5rem; color:var(--navy); font-weight:850; text-decoration:none; }

/* Upgraded cards */
.magazine-page .hub-card {
  border-radius:22px;
  border-color:#dfe7ed;
  box-shadow:0 16px 38px rgba(30,54,73,.055);
}
.magazine-page .hub-card:hover {
  transform:translateY(-6px);
  box-shadow:0 26px 58px rgba(30,54,73,.10);
}
.magazine-page .hub-card-media { position:relative; background:#f3f8fb; }
.magazine-page .hub-card-badge {
  position:absolute;
  left:.9rem;
  top:.9rem;
  padding:.45rem .65rem;
  border-radius:999px;
  background:rgba(255,255,255,.93);
  color:#234560;
  font-size:.68rem;
  font-weight:900;
  letter-spacing:.075em;
  text-transform:uppercase;
  backdrop-filter:blur(8px);
}
.magazine-page .hub-card-source {
  display:flex;
  justify-content:space-between;
  gap:1rem;
  color:#7b8b99;
  font-size:.7rem;
  text-transform:uppercase;
  letter-spacing:.065em;
  font-weight:800;
}
.magazine-page .hub-card-body { padding:1.15rem 1.2rem 1.25rem; }
.magazine-page .hub-card-body h3 {
  font-family:Georgia,"Times New Roman",serif;
  font-size:1.42rem;
  line-height:1.16;
  font-weight:500;
  letter-spacing:-.02em;
}
.magazine-page .hub-card-body p { font-size:.94rem; line-height:1.67; }
.magazine-page .hub-card-footer {
  display:flex;
  justify-content:space-between;
  gap:1rem;
  margin-top:auto;
  padding-top:.9rem;
  border-top:1px solid #edf1f4;
  color:#768a9a;
  font-size:.75rem;
  font-weight:750;
}
.magazine-page .hub-card-read { color:var(--blue); }

/* Article source panel */
.article-source-panel {
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:1rem 2rem;
  align-items:end;
  margin:0 0 1.4rem;
  padding:1.2rem 1.3rem;
  border:1px solid #d8e5ed;
  border-radius:18px;
  background:#f7fbfd;
}
.article-source-panel small {
  display:block;
  color:#748596;
  text-transform:uppercase;
  letter-spacing:.08em;
  font-weight:800;
}
.article-source-panel strong {
  display:block;
  margin:.3rem 0 .45rem;
  color:#183c58;
  line-height:1.35;
}
.article-source-panel p { margin:0; color:#627789; font-size:.88rem; line-height:1.5; }
.article-source-panel a {
  white-space:nowrap;
  color:#0b6fb8;
  font-weight:850;
  text-decoration:none;
}
.article-related { margin-top:3rem; }
.article-related h2 {
  font-family:Georgia,"Times New Roman",serif;
  color:#102a43;
  font-weight:500;
  letter-spacing:-.03em;
}
.article-related-grid {
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:1rem;
}
.article-related-card {
  padding:1.1rem;
  border:1px solid #dde6ec;
  border-radius:16px;
  background:#fff;
  text-decoration:none;
}
.article-related-card span { color:#738494; font-size:.72rem; text-transform:uppercase; font-weight:800; }
.article-related-card strong { display:block; margin-top:.4rem; color:#173e5c; line-height:1.35; }

.sr-only {
  position:absolute!important;
  width:1px!important;height:1px!important;
  padding:0!important;margin:-1px!important;
  overflow:hidden!important;clip:rect(0,0,0,0)!important;
  white-space:nowrap!important;border:0!important;
}
@media (max-width:1000px) {
  .magazine-title-row,.lead-story { grid-template-columns:1fr; gap:1.5rem; }
  .lead-story-media { min-height:360px; }
  .latest-grid { grid-template-columns:1fr 1fr; }
  .topic-magazine-grid { grid-template-columns:1fr 1fr; }
}
@media (max-width:700px) {
  .magazine-masthead { padding-top:2rem; }
  .magazine-title-row { padding:1.5rem 0; }
  .magazine-section { padding:3.2rem 0; }
  .magazine-section-head { align-items:flex-start; flex-direction:column; gap:.7rem; }
  .latest-grid,.topic-magazine-grid,.article-related-grid { grid-template-columns:1fr; }
  .lead-story-media { min-height:260px; }
  .lead-story-copy { padding:1.55rem; }
  .selected-story { grid-template-columns:45px minmax(0,1fr) 25px; }
  .archive-tools { width:100%; min-width:0; }
  .article-source-panel { grid-template-columns:1fr; }
}


/* Card metadata also used by the homepage article feed */
.hub-card-media { position:relative; }
.hub-card-badge {
  position:absolute;
  left:.85rem;
  top:.85rem;
  padding:.4rem .62rem;
  border-radius:999px;
  background:rgba(255,255,255,.92);
  color:#234560;
  font-size:.66rem;
  font-weight:900;
  letter-spacing:.07em;
  text-transform:uppercase;
  backdrop-filter:blur(8px);
}
.hub-card-source {
  display:flex;
  justify-content:space-between;
  gap:1rem;
  color:#78899a;
  font-size:.7rem;
  text-transform:uppercase;
  letter-spacing:.06em;
  font-weight:800;
}
.hub-card-footer {
  display:flex;
  justify-content:space-between;
  gap:1rem;
  margin-top:auto;
  padding-top:.85rem;
  border-top:1px solid #edf1f4;
  color:#748696;
  font-size:.74rem;
  font-weight:750;
}


/* =======================================================================
   Flagship research magazine + premium individual article experience
   ======================================================================= */

.magazine-v3,
.article-v3 {
  --c-navy:#0a2744;
  --c-blue:#2e8bc0;
  --c-cyan:#8ed8f8;
  --c-sky:#eaf7fd;
  --c-mint:#dff7ef;
  --c-lilac:#efe9ff;
  --c-rose:#ffe9ef;
  --c-peach:#fff0df;
  --c-gold:#ffcb05;
  --c-ink:#17324a;
  --c-muted:#6a7e90;
  --c-line:#dfe8ef;
  --c-paper:#fcfeff;
}

.magazine-v3 {
  background:
    radial-gradient(circle at 88% 7%, rgba(142,216,248,.24), transparent 19rem),
    radial-gradient(circle at 7% 18%, rgba(255,203,5,.13), transparent 20rem),
    linear-gradient(180deg,#ffffff 0,#fbfdff 52rem,#ffffff 100%);
}

.v3-masthead { padding:4.1rem 0 2.5rem; }
.v3-spectrum {
  display:grid;
  grid-template-columns:2fr 1.3fr .9fr .55fr;
  height:7px;
  overflow:hidden;
  border-radius:999px;
  margin-bottom:2rem;
}
.v3-spectrum span:nth-child(1){background:#0a2744}
.v3-spectrum span:nth-child(2){background:#3aa6d8}
.v3-spectrum span:nth-child(3){background:#ffcb05}
.v3-spectrum span:nth-child(4){background:#e7a7c4}

.v3-masthead-grid {
  display:grid;
  grid-template-columns:minmax(0,1.25fr) minmax(320px,.75fr);
  gap:4rem;
  align-items:end;
}
.v3-overline,
.v3-section-title span,
.v3-archive-head > div > span {
  color:#6d8193;
  font-size:.74rem;
  text-transform:uppercase;
  letter-spacing:.16em;
  font-weight:900;
}
.v3-masthead h1 {
  margin:.25rem 0 0;
  font-family:Georgia,"Times New Roman",serif;
  color:var(--c-navy);
  font-size:clamp(4rem,10vw,8.7rem);
  line-height:.82;
  font-weight:500;
  letter-spacing:-.065em;
}
.v3-masthead h1 em {
  color:#2b88ba;
  font-style:italic;
  font-weight:400;
}
.v3-masthead-side > p {
  margin:0 0 1.8rem;
  color:#536b7f;
  font-size:1.06rem;
  line-height:1.8;
}
.v3-counts {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:.7rem;
}
.v3-counts div {
  padding:1rem .9rem;
  border:1px solid #dfe8ef;
  background:rgba(255,255,255,.78);
  border-radius:18px;
}
.v3-counts strong {
  display:block;
  font-family:Georgia,"Times New Roman",serif;
  color:#0a2744;
  font-size:1.85rem;
  line-height:1;
  font-weight:500;
}
.v3-counts span { display:block; margin-top:.35rem; color:#788c9e; font-size:.76rem; }

.v3-feature-zone { padding:2rem 0 5rem; }
.v3-feature-grid {
  display:grid;
  grid-template-columns:minmax(0,1.45fr) minmax(330px,.55fr);
  gap:1.25rem;
}
.v3-lead {
  display:grid;
  grid-template-rows:minmax(430px,1fr) auto;
  min-height:690px;
  border-radius:34px;
  overflow:hidden;
  background:#fff;
  border:1px solid #dce7ee;
  color:inherit;
  text-decoration:none;
  box-shadow:0 30px 80px rgba(35,68,94,.08);
  transition:transform .35s ease,box-shadow .35s ease;
}
.v3-lead:hover { transform:translateY(-6px); box-shadow:0 42px 96px rgba(35,68,94,.13); }
.v3-lead-image { position:relative; overflow:hidden; background:#f1f8fb; }
.v3-lead-image img {
  width:100%; height:100%; object-fit:cover; display:block;
  transition:transform .7s cubic-bezier(.2,.8,.2,1);
}
.v3-lead:hover img { transform:scale(1.025); }
.v3-pill {
  position:absolute; left:1.25rem; top:1.25rem;
  padding:.55rem .8rem;
  background:rgba(255,255,255,.92);
  color:#214765;
  border:1px solid rgba(255,255,255,.7);
  border-radius:999px;
  font-size:.69rem;
  font-weight:900;
  letter-spacing:.09em;
  text-transform:uppercase;
  backdrop-filter:blur(10px);
}
.v3-lead-copy { padding:1.7rem 1.9rem 1.9rem; }
.v3-meta {
  display:flex; flex-wrap:wrap; justify-content:space-between; gap:.5rem 1rem;
  color:#708496; font-size:.72rem; text-transform:uppercase; letter-spacing:.08em; font-weight:800;
}
.v3-lead h2 {
  margin:.8rem 0 .8rem;
  font-family:Georgia,"Times New Roman",serif;
  color:#112f49;
  font-size:clamp(2rem,4vw,3.35rem);
  line-height:1.02;
  letter-spacing:-.045em;
  font-weight:500;
}
.v3-lead-copy p { margin:0; color:#607588; line-height:1.72; font-size:1rem; }
.v3-read {
  display:flex; justify-content:space-between; gap:1rem; align-items:center;
  margin-top:1.25rem; padding-top:1rem; border-top:1px solid #e8eef2;
  color:#1578ad; font-weight:850;
}

.v3-side-stack { display:grid; grid-template-rows:1fr 1fr .78fr; gap:1.25rem; }
.v3-side-story {
  display:grid;
  grid-template-columns:42% 1fr;
  min-height:205px;
  border-radius:26px;
  overflow:hidden;
  border:1px solid #dce7ee;
  background:#fff;
  color:inherit;
  text-decoration:none;
  transition:transform .3s ease,box-shadow .3s ease;
}
.v3-side-story:hover { transform:translateY(-4px); box-shadow:0 18px 45px rgba(35,68,94,.09); }
.v3-side-image { background:#f3f9fc; overflow:hidden; }
.v3-side-image img { width:100%;height:100%;object-fit:cover;display:block; }
.v3-side-copy { display:flex;flex-direction:column;justify-content:center;padding:1.25rem; }
.v3-side-copy > span { color:#5d7890;font-size:.68rem;text-transform:uppercase;letter-spacing:.08em;font-weight:900; }
.v3-side-copy h3 {
  margin:.55rem 0 .75rem;
  color:#153852;
  font-family:Georgia,"Times New Roman",serif;
  font-size:1.28rem;
  line-height:1.13;
  font-weight:500;
}
.v3-side-copy small { color:#7c8d9c;line-height:1.4; }
.v3-browse-tile {
  position:relative;
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  min-height:170px;
  padding:1.4rem;
  overflow:hidden;
  border-radius:26px;
  background:linear-gradient(135deg,#e8f7fd 0%,#fff8d8 48%,#f7eefe 100%);
  border:1px solid #dfe7ec;
  color:#143550;
  text-decoration:none;
}
.v3-browse-orb {
  position:absolute;right:-30px;top:-35px;width:145px;height:145px;border-radius:50%;
  background:radial-gradient(circle at 35% 35%,rgba(255,255,255,.9),rgba(59,164,217,.22) 50%,rgba(59,164,217,0));
}
.v3-browse-tile small { color:#6f8293;text-transform:uppercase;letter-spacing:.08em;font-weight:850;font-size:.66rem; }
.v3-browse-tile strong { max-width:13rem;margin:.45rem 0 .6rem;font-family:Georgia,"Times New Roman",serif;font-size:1.35rem;font-weight:500;line-height:1.15; }
.v3-browse-tile b { color:#1980b6;font-size:1.45rem; }

.v3-topic-strip,
.v3-paper-section,
.v3-selected,
.v3-archive { padding:5rem 0; }
.v3-topic-strip { background:#fbfdff; border-top:1px solid #e8eef2; border-bottom:1px solid #e8eef2; }
.v3-section-title {
  display:flex; justify-content:space-between; gap:2rem; align-items:end; margin-bottom:1.8rem;
}
.v3-section-title h2,
.v3-archive-head h2,
.v3-about-card h2 {
  margin:.25rem 0 0;
  font-family:Georgia,"Times New Roman",serif;
  color:#11314a;
  font-size:clamp(2.2rem,4vw,3.65rem);
  line-height:.98;
  letter-spacing:-.045em;
  font-weight:500;
}
.v3-section-title > p { max-width:36rem;margin:0;color:#667d90;line-height:1.7; }
.v3-topic-grid {
  display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;
}
.v3-topic-card {
  min-height:250px;padding:1.35rem;border:1px solid rgba(24,61,88,.08);
  border-radius:26px;text-align:left;color:#173850;font:inherit;cursor:pointer;
  display:flex;flex-direction:column;align-items:flex-start;
  transition:transform .25s ease,box-shadow .25s ease;
}
.v3-topic-card:hover { transform:translateY(-5px);box-shadow:0 18px 45px rgba(36,76,105,.08); }
.topic-tone-1{background:linear-gradient(145deg,#edf8ff,#dff3ff)}
.topic-tone-2{background:linear-gradient(145deg,#fff6df,#ffedbe)}
.topic-tone-3{background:linear-gradient(145deg,#e8f9f4,#d9f4ec)}
.topic-tone-4{background:linear-gradient(145deg,#f4edff,#eae0ff)}
.v3-topic-num { color:#7990a1;font-family:Georgia,"Times New Roman",serif;font-size:1rem; }
.v3-topic-card strong { margin-top:auto;font-family:Georgia,"Times New Roman",serif;font-size:1.5rem;line-height:1.1;font-weight:500; }
.v3-topic-card small { margin-top:.55rem;color:#698092; }
.v3-topic-card b { margin-top:1rem;color:#1c7eaf;font-size:1.25rem; }

.v3-paper-section { background:white; }
.v3-paper-grid { display:grid;grid-template-columns:repeat(2,1fr);gap:1rem; }
.v3-paper-card {
  min-height:260px;padding:1.5rem;border-radius:28px;text-decoration:none;color:#173850;
  display:flex;flex-direction:column;justify-content:space-between;border:1px solid rgba(30,66,92,.08);
  transition:transform .28s ease,box-shadow .28s ease;
}
.v3-paper-card:hover { transform:translateY(-5px);box-shadow:0 18px 48px rgba(37,74,101,.09); }
.paper-tone-1{background:linear-gradient(135deg,#eff9ff,#ffffff)}
.paper-tone-2{background:linear-gradient(135deg,#fff8df,#ffffff)}
.paper-tone-3{background:linear-gradient(135deg,#edf9f5,#ffffff)}
.paper-tone-4{background:linear-gradient(135deg,#f4efff,#ffffff)}
.v3-paper-card > span { color:#71879a;font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;font-weight:850; }
.v3-paper-card h3 { margin:1.1rem 0;font-family:Georgia,"Times New Roman",serif;font-size:1.6rem;line-height:1.14;font-weight:500; }
.v3-paper-card > div { display:flex;justify-content:space-between;gap:1rem;align-items:center;padding-top:1rem;border-top:1px solid rgba(34,74,102,.09); }
.v3-paper-card small { color:#6e8394; }
.v3-paper-card b { color:#1379ae; }

.v3-selected { background:linear-gradient(180deg,#fffdf8,#fff); }
.v3-selected-list { border-top:1px solid #dde7ed; }
.v3-selected-row {
  display:grid;grid-template-columns:70px 1fr 44px;gap:1rem;align-items:center;
  padding:1.35rem .1rem;border-bottom:1px solid #dde7ed;text-decoration:none;color:inherit;
}
.v3-selected-row:hover h3 { color:#1780b6; }
.v3-selected-index { color:#8da0ae;font-family:Georgia,"Times New Roman",serif;font-size:1.2rem; }
.v3-selected-row small { color:#778b9b;text-transform:uppercase;font-size:.7rem;letter-spacing:.07em;font-weight:850; }
.v3-selected-row h3 { margin:.3rem 0 0;font-family:Georgia,"Times New Roman",serif;font-size:1.55rem;font-weight:500;color:#163650;line-height:1.15;transition:color .2s ease; }
.v3-selected-row b { color:#1980b6;font-size:1.35rem; }

.v3-archive { background:#fbfdfe;border-top:1px solid #e6eef3; }
.v3-archive-head { display:flex;justify-content:space-between;align-items:end;gap:2rem; }
.v3-search { min-width:min(100%,390px); }
.v3-search input {
  width:100%;padding:1rem 1.2rem;border:1px solid #d4e0e7;border-radius:999px;background:#fff;color:#183650;font:inherit;outline:none;
  box-shadow:0 8px 20px rgba(44,79,103,.035);
}
.v3-search input:focus { border-color:#7ec3e6;box-shadow:0 0 0 5px rgba(63,166,217,.08); }
.v3-archive-grid {
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.25rem;margin-top:1.5rem;
}
.v3-about { padding:2rem 0 6rem; }
.v3-about-card {
  position:relative;overflow:hidden;padding:clamp(2rem,6vw,5rem);border-radius:34px;
  background:linear-gradient(135deg,#eaf8ff 0,#fff7d9 48%,#f4ebff 100%);
  border:1px solid #dfe9ef;
}
.v3-about-accent {
  position:absolute;width:260px;height:260px;border-radius:50%;right:-60px;top:-80px;
  background:radial-gradient(circle,rgba(255,255,255,.95),rgba(46,139,192,.16) 48%,rgba(46,139,192,0) 72%);
}
.v3-about-card p { max-width:52rem;color:#587185;line-height:1.8; }
.v3-about-card a { display:inline-flex;gap:.6rem;margin-top:.4rem;color:#106f9e;text-decoration:none;font-weight:850; }

/* Premium article feature layout */
.article-v3 {
  background:
    radial-gradient(circle at 92% 10%,rgba(142,216,248,.16),transparent 19rem),
    linear-gradient(180deg,#ffffff 0,#fcfeff 34rem,#ffffff 100%);
}
.article-feature-main { padding-top:86px; }
.article-feature-shell { width:min(1240px,calc(100% - 2rem));margin:0 auto;padding:3.5rem 0 6rem; }
.article-feature-hero {
  display:grid;grid-template-columns:minmax(0,1.03fr) minmax(380px,.97fr);gap:3rem;align-items:center;
  padding:2rem 0 3rem;
}
.article-backlink { display:inline-block;margin-bottom:1.4rem;color:#5f788c;text-decoration:none;font-size:.86rem;font-weight:750; }
.article-feature-meta { display:flex;flex-wrap:wrap;gap:.55rem 1rem;color:#6e8497;font-size:.72rem;text-transform:uppercase;letter-spacing:.085em;font-weight:900; }
.article-feature-copy h1 {
  margin:1rem 0 1rem;font-family:Georgia,"Times New Roman",serif;color:#0f304a;
  font-size:clamp(3rem,6.8vw,6.4rem);line-height:.95;letter-spacing:-.06em;font-weight:500;
}
.article-feature-deck { max-width:760px;margin:0;color:#587084;font-size:1.17rem;line-height:1.78; }
.article-feature-byline {
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;margin-top:2rem;padding-top:1.2rem;border-top:1px solid #dfe8ee;
}
.article-feature-byline small { display:block;color:#8595a2;font-size:.68rem;text-transform:uppercase;letter-spacing:.075em;font-weight:850; }
.article-feature-byline strong { display:block;margin-top:.3rem;color:#24435c;font-size:.88rem;line-height:1.45; }
.article-feature-art {
  margin:0;padding:1rem;border-radius:32px;background:linear-gradient(135deg,#f2fbff,#fff8df 65%,#f6edff);
  border:1px solid #dce8ef;box-shadow:0 24px 65px rgba(35,68,94,.08);
}
.article-feature-art img { width:100%;display:block;border-radius:23px; }
.article-feature-art figcaption { padding:.7rem .25rem .1rem;color:#7a8c99;font-size:.75rem; }

.article-paper-glance {
  display:grid;grid-template-columns:auto minmax(0,1.4fr) minmax(170px,.45fr) minmax(205px,.55fr);
  gap:0;border:1px solid #dae6ed;border-radius:24px;overflow:hidden;background:#fff;margin:0 0 3rem;
  box-shadow:0 14px 42px rgba(34,69,95,.045);
}
.article-paper-glance > * { padding:1.15rem 1.25rem;border-right:1px solid #e7eef2; }
.article-paper-glance > *:last-child { border-right:0; }
.paper-glance-label {
  display:flex;align-items:center;background:#0d3150;color:#fff;font-size:.7rem;text-transform:uppercase;letter-spacing:.1em;font-weight:900;
}
.article-paper-glance small { display:block;color:#7b8e9e;text-transform:uppercase;letter-spacing:.075em;font-weight:850;font-size:.64rem; }
.article-paper-glance strong { display:block;margin:.3rem 0;color:#1f405a;line-height:1.35;font-size:.9rem; }
.article-paper-glance p,.article-paper-glance span { margin:0;color:#6f8395;font-size:.78rem;line-height:1.45; }
.paper-glance-doi { color:inherit;text-decoration:none;background:#f5fbfe; }
.paper-glance-doi span { color:#197faf;font-weight:850; }

.article-reading-grid {
  display:grid;grid-template-columns:220px minmax(0,760px);gap:3.25rem;justify-content:center;align-items:start;
}
.reading-rail-sticky { position:sticky;top:112px; }
.reading-rail-sticky > p { margin:0 0 .8rem;color:#6c8193;font-size:.69rem;text-transform:uppercase;letter-spacing:.11em;font-weight:900; }
#articleToc { display:grid;border-left:1px solid #d9e4ea; }
#articleToc a {
  padding:.55rem 0 .55rem 1rem;color:#728797;text-decoration:none;font-size:.82rem;line-height:1.35;
  border-left:2px solid transparent;margin-left:-1px;transition:color .2s ease,border-color .2s ease;
}
#articleToc a:hover,#articleToc a.active { color:#147cae;border-left-color:#2e8bc0; }
.article-tag-stack { display:flex;flex-wrap:wrap;gap:.4rem;margin-top:1.25rem; }
.article-tag-stack span {
  padding:.36rem .55rem;border-radius:999px;background:#eef7fb;color:#587488;font-size:.66rem;font-weight:800;
}
.rail-paper-link { display:inline-block;margin-top:1.25rem;color:#1279aa;text-decoration:none;font-size:.8rem;font-weight:850; }

.article-prose {
  min-width:0;color:#294256;font-size:1.06rem;line-height:1.9;
}
.article-prose > :first-child { margin-top:0; }
.article-prose h2 {
  scroll-margin-top:120px;
  margin:3.2rem 0 1rem;
  font-family:Georgia,"Times New Roman",serif;
  color:#123651;
  font-size:clamp(2rem,4vw,2.9rem);
  line-height:1.05;
  letter-spacing:-.035em;
  font-weight:500;
}
.article-prose h3 {
  margin:2.4rem 0 .75rem;color:#1d4968;font-family:Georgia,"Times New Roman",serif;font-size:1.6rem;font-weight:500;
}
.article-prose p { margin:0 0 1.35rem; }
.article-prose a { color:#127cac;text-underline-offset:3px; }
.article-prose blockquote {
  margin:2rem 0;padding:1.4rem 1.5rem;border:0;border-radius:18px;
  background:linear-gradient(135deg,#eef9ff,#fff8df);color:#38576e;
}
.article-prose blockquote p:last-child { margin-bottom:0; }
.article-prose pre {
  overflow:auto;padding:1.25rem 1.35rem;border-radius:18px;background:#102c43;color:#eff8ff;
}
.article-prose code { font-size:.92em; }
.article-prose img {
  max-width:100%;height:auto;border-radius:18px;border:1px solid #e0e9ef;box-shadow:0 14px 40px rgba(35,68,94,.06);
}
.article-prose figure { margin:2.25rem 0; }
.article-prose figcaption { margin-top:.7rem;color:#738696;font-size:.8rem;line-height:1.5; }
.article-prose mjx-container[display="true"] {
  margin:2rem 0 !important;padding:1.1rem 1rem;border-radius:16px;background:#f7fbfd;overflow-x:auto;
}

.article-related-v3 { margin-top:5rem;padding-top:2.5rem;border-top:1px solid #dfe8ee; }
.article-related-heading { display:flex;justify-content:space-between;align-items:end;gap:2rem;margin-bottom:1.35rem; }
.article-related-heading small { color:#778b9b;text-transform:uppercase;letter-spacing:.09em;font-weight:850;font-size:.67rem; }
.article-related-heading h2 { margin:.25rem 0 0;font-family:Georgia,"Times New Roman",serif;color:#12344e;font-size:2.35rem;font-weight:500;letter-spacing:-.035em; }
.article-related-heading a { color:#1379aa;text-decoration:none;font-weight:850; }
.article-related-grid-v3 { display:grid;grid-template-columns:repeat(3,1fr);gap:1rem; }
.article-related-card-v3 {
  overflow:hidden;border:1px solid #dfe7ed;border-radius:22px;background:#fff;text-decoration:none;color:inherit;
  transition:transform .25s ease,box-shadow .25s ease;
}
.article-related-card-v3:hover { transform:translateY(-4px);box-shadow:0 18px 45px rgba(35,68,94,.08); }
.article-related-card-v3 img { width:100%;aspect-ratio:16/9;object-fit:cover;display:block;background:#f4f9fc; }
.article-related-card-v3 div { padding:1rem; }
.article-related-card-v3 span { color:#7b8d9c;font-size:.68rem;text-transform:uppercase;letter-spacing:.07em;font-weight:850; }
.article-related-card-v3 strong { display:block;margin:.45rem 0 .75rem;color:#1d405a;font-family:Georgia,"Times New Roman",serif;font-size:1.2rem;line-height:1.15;font-weight:500; }
.article-related-card-v3 small { color:#147bab;font-weight:850; }
.article-feature-footer {
  display:flex;justify-content:space-between;gap:1rem;margin-top:2rem;padding-top:1.2rem;border-top:1px solid #dfe8ee;
}
.article-feature-footer a { color:#1478a8;text-decoration:none;font-weight:850; }

@media (max-width:1050px) {
  .v3-masthead-grid,.v3-feature-grid,.article-feature-hero { grid-template-columns:1fr; }
  .v3-side-stack { grid-template-columns:1fr 1fr;grid-template-rows:auto; }
  .v3-browse-tile { grid-column:1 / -1; }
  .v3-topic-grid { grid-template-columns:repeat(2,1fr); }
  .article-paper-glance { grid-template-columns:1fr 1fr; }
  .article-paper-glance > * { border-bottom:1px solid #e7eef2; }
  .article-reading-grid { grid-template-columns:1fr;gap:1rem; }
  .article-reading-rail { order:-1; }
  .reading-rail-sticky { position:static; }
  #articleToc { display:flex;flex-wrap:wrap;gap:.4rem;border:0; }
  #articleToc a { margin:0;padding:.45rem .65rem;border:1px solid #dce7ed;border-radius:999px; }
}
@media (max-width:900px) {
  .article-nav { display:none; }
  .site-nav { display:flex; }
  .v3-archive-grid { grid-template-columns:1fr 1fr; }
  .article-related-grid-v3 { grid-template-columns:1fr 1fr; }
}
@media (max-width:700px) {
  .v3-masthead { padding-top:2.4rem; }
  .v3-masthead-grid { gap:1.5rem; }
  .v3-counts { grid-template-columns:repeat(3,1fr); }
  .v3-feature-zone,.v3-topic-strip,.v3-paper-section,.v3-selected,.v3-archive { padding:3.4rem 0; }
  .v3-lead { min-height:0;grid-template-rows:280px auto; }
  .v3-side-stack { grid-template-columns:1fr; }
  .v3-side-story { min-height:180px; }
  .v3-topic-grid,.v3-paper-grid,.v3-archive-grid,.article-related-grid-v3 { grid-template-columns:1fr; }
  .v3-section-title,.v3-archive-head,.article-related-heading { flex-direction:column;align-items:flex-start;gap:.8rem; }
  .v3-search { width:100%;min-width:0; }
  .article-feature-shell { width:min(100% - 1rem,1240px);padding-top:2rem; }
  .article-feature-hero { gap:1.5rem; }
  .article-feature-copy h1 { font-size:clamp(2.75rem,14vw,4.5rem); }
  .article-feature-byline { grid-template-columns:1fr;gap:.8rem; }
  .article-paper-glance { grid-template-columns:1fr; }
  .article-paper-glance > * { border-right:0;border-bottom:1px solid #e7eef2; }
  .article-paper-glance > *:last-child { border-bottom:0; }
  .article-prose { font-size:1rem;line-height:1.82; }
  .article-feature-footer { flex-direction:column; }
  .v3-selected-row { grid-template-columns:45px 1fr 25px; }
}


/* =======================================================================
   Article v4: world-class scientific feature reading experience
   ======================================================================= */
.article-v4 {
  --av4-ink:#132f46;
  --av4-ink-soft:#365166;
  --av4-muted:#748797;
  --av4-line:#dfe8ee;
  --av4-blue:#1679a8;
  --av4-blue-soft:#eaf7fd;
  --av4-gold:#ffcb05;
  --av4-cream:#fffaf0;
  --av4-mint:#eefaf6;
  --av4-lilac:#f4f0ff;
  background:
    radial-gradient(circle at 92% 7%, rgba(122,203,241,.13), transparent 19rem),
    linear-gradient(180deg,#fff 0,#fdfefe 42rem,#fff 100%);
  color:var(--av4-ink-soft);
}
.article-v4-main { padding-top:86px; }
.article-v4-shell {
  width:min(1320px,calc(100% - 2rem));
  margin:0 auto;
  padding:3.8rem 0 6rem;
}
.article-v4-header {
  max-width:1080px;
  margin:0 auto;
  text-align:center;
  padding:1.4rem 0 2.6rem;
}
.article-v4-kicker-row {
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:.45rem .75rem;
  color:#73889a;
  font-size:.71rem;
  line-height:1.4;
  text-transform:uppercase;
  letter-spacing:.095em;
  font-weight:850;
}
.article-v4-kicker-row a { color:inherit;text-decoration:none; }
.article-v4-kicker-row a:hover { color:var(--av4-blue); }
.article-v4-title-wrap { max-width:1060px;margin:1.2rem auto 0; }
.article-v4-title-wrap h1 {
  margin:0;
  font-family:Georgia,"Times New Roman",serif;
  color:#0e304a;
  font-size:clamp(3.1rem,7.6vw,7.2rem);
  line-height:.93;
  letter-spacing:-.065em;
  font-weight:500;
  text-wrap:balance;
}
.article-v4-deck {
  max-width:780px;
  margin:1.35rem auto 0;
  color:#587084;
  font-size:clamp(1.08rem,1.6vw,1.28rem);
  line-height:1.76;
  text-wrap:balance;
}
.article-v4-meta {
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:1.2rem 2rem;
  margin-top:2rem;
  padding-top:1.15rem;
  border-top:1px solid var(--av4-line);
}
.article-v4-author,
.article-v4-meta-item {
  display:flex;
  align-items:center;
  gap:.7rem;
  text-align:left;
}
.article-v4-avatar {
  display:grid;
  place-items:center;
  width:38px;height:38px;
  border-radius:50%;
  background:linear-gradient(135deg,#dff4ff,#fff5c7);
  color:#0d4567;
  font-weight:900;
  font-size:.74rem;
  border:1px solid #dce7ed;
}
.article-v4-meta small {
  display:block;
  color:#8a9aa7;
  font-size:.62rem;
  text-transform:uppercase;
  letter-spacing:.08em;
  font-weight:850;
}
.article-v4-meta strong {
  display:block;
  margin-top:.12rem;
  color:#294a61;
  font-size:.82rem;
  font-weight:750;
}

.article-v4-hero {
  width:min(1180px,100%);
  margin:0 auto 1.35rem;
}
.article-v4-hero-frame {
  padding:14px;
  border-radius:34px;
  background:
    linear-gradient(135deg,rgba(229,247,255,.95),rgba(255,248,218,.95) 52%,rgba(243,236,255,.95));
  border:1px solid #dfe8ee;
  box-shadow:0 30px 75px rgba(30,63,89,.075);
}
.article-v4-hero img {
  display:block;
  width:100%;
  border-radius:24px;
}
.article-v4-hero figcaption {
  max-width:1180px;
  margin:.65rem auto 0;
  padding:0 .25rem;
  color:#8796a3;
  font-size:.74rem;
}

.article-v4-sourcebar {
  width:min(1180px,100%);
  margin:1.75rem auto 4rem;
  display:grid;
  grid-template-columns:auto minmax(0,1.4fr) minmax(150px,.35fr) auto;
  align-items:stretch;
  border:1px solid #dfe8ee;
  border-radius:20px;
  overflow:hidden;
  background:#fff;
  box-shadow:0 12px 36px rgba(33,66,90,.04);
}
.article-v4-sourcebar > * {
  padding:1rem 1.15rem;
  border-right:1px solid #e8eef2;
}
.article-v4-sourcebar > *:last-child { border-right:0; }
.article-v4-sourcebar-label {
  display:flex;
  align-items:center;
  background:#123852;
  color:#fff;
  font-size:.66rem;
  text-transform:uppercase;
  letter-spacing:.095em;
  font-weight:900;
}
.article-v4-sourcebar-main {
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.article-v4-sourcebar-main strong {
  color:#24445d;
  font-size:.91rem;
  line-height:1.36;
}
.article-v4-sourcebar-main span,
.article-v4-sourcebar-journal span {
  margin-top:.28rem;
  color:#7a8d9c;
  font-size:.75rem;
  line-height:1.42;
}
.article-v4-sourcebar-journal {
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.article-v4-sourcebar-journal small {
  color:#62798b;
  font-size:.72rem;
  line-height:1.35;
  font-weight:800;
}
.article-v4-sourcebar-link {
  display:flex;
  align-items:center;
  justify-content:center;
  gap:.45rem;
  color:#137aa9;
  background:#f6fbfe;
  text-decoration:none;
  font-size:.78rem;
  font-weight:850;
  white-space:nowrap;
}
.article-v4-sourcebar-link:hover { background:#eef8fc; }

.article-v4-reading {
  width:min(1060px,100%);
  margin:0 auto;
  display:grid;
  grid-template-columns:210px minmax(0,780px);
  gap:4rem;
  align-items:start;
  justify-content:center;
}
.article-v4-rail-sticky {
  position:sticky;
  top:112px;
}
.article-v4-rail-section + .article-v4-rail-section {
  margin-top:1.4rem;
  padding-top:1.2rem;
  border-top:1px solid #e5ecef;
}
.article-v4-rail-label {
  margin:0 0 .75rem;
  color:#75899a;
  font-size:.66rem;
  text-transform:uppercase;
  letter-spacing:.1em;
  font-weight:900;
}
#articleToc {
  display:grid;
  border-left:1px solid #dce6ec;
}
#articleToc a {
  margin-left:-1px;
  padding:.48rem 0 .48rem .9rem;
  border-left:2px solid transparent;
  color:#718696;
  text-decoration:none;
  font-size:.79rem;
  line-height:1.4;
  transition:color .2s ease,border-color .2s ease;
}
#articleToc a:hover,
#articleToc a.active {
  color:#147cae;
  border-left-color:#2e8bc0;
}
.article-v4-tags {
  display:flex;
  flex-wrap:wrap;
  gap:.36rem;
}
.article-v4-tags span {
  padding:.34rem .52rem;
  border-radius:999px;
  background:#eef7fb;
  color:#577287;
  font-size:.64rem;
  font-weight:800;
}
.article-v4-paper-link {
  color:#1177a6;
  text-decoration:none;
  font-size:.78rem;
  font-weight:850;
}

.article-v4-prose {
  min-width:0;
  color:#304a5f;
  font-size:1.07rem;
  line-height:1.88;
}
.article-v4-prose > :first-child { margin-top:0; }
.article-v4-prose p {
  margin:0 0 1.45rem;
}
.article-v4-prose h2 {
  scroll-margin-top:120px;
  margin:3.6rem 0 1.05rem;
  font-family:Georgia,"Times New Roman",serif;
  color:#113852;
  font-size:clamp(2rem,3.5vw,2.85rem);
  line-height:1.05;
  letter-spacing:-.035em;
  font-weight:500;
}
.article-v4-prose h3 {
  margin:2.5rem 0 .8rem;
  color:#1d4b69;
  font-family:Georgia,"Times New Roman",serif;
  font-size:1.55rem;
  line-height:1.15;
  font-weight:500;
}
.article-v4-prose a {
  color:#1379aa;
  text-underline-offset:3px;
}
.article-v4-prose strong { color:#213f56; }
.article-v4-prose ul,
.article-v4-prose ol {
  margin:0 0 1.5rem;
  padding-left:1.25rem;
}
.article-v4-prose li { margin:.45rem 0; }
.article-v4-prose blockquote {
  margin:2.2rem 0;
  padding:1.45rem 1.55rem;
  border:0;
  border-radius:20px;
  background:linear-gradient(135deg,#eef9ff,#fff8de);
  color:#38586f;
  box-shadow:inset 4px 0 0 #82c6e9;
}
.article-v4-prose blockquote p:last-child { margin-bottom:0; }
.article-v4-prose pre {
  overflow:auto;
  margin:2rem 0;
  padding:1.3rem 1.4rem;
  border-radius:18px;
  background:#102f46;
  color:#edf8ff;
  box-shadow:0 16px 36px rgba(22,54,78,.08);
}
.article-v4-prose code { font-size:.92em; }
.article-v4-prose img {
  max-width:100%;
  height:auto;
  display:block;
  margin:2rem auto 0;
  border-radius:18px;
  border:1px solid #e0e9ef;
  box-shadow:0 14px 40px rgba(35,68,94,.06);
}
.article-v4-prose figure { margin:2.4rem 0; }
.article-v4-prose figcaption {
  margin-top:.65rem;
  color:#758899;
  font-size:.78rem;
  line-height:1.5;
}
.article-v4-prose mjx-container[display="true"] {
  margin:2.2rem 0 !important;
  padding:1.15rem 1rem;
  border:1px solid #e4edf2;
  border-radius:16px;
  background:#f8fbfd;
  overflow-x:auto;
}
.article-v4-prose hr {
  margin:3rem 0;
  border:0;
  border-top:1px solid #e2e9ee;
}

.article-v4-reference {
  margin:3.2rem 0 0;
  padding:1.35rem 1.4rem;
  border-radius:18px;
  background:linear-gradient(135deg,#f6fbfe,#fbfcff);
  border:1px solid #dfe8ee;
}
.article-v4-reference h2 {
  margin:0 0 .8rem;
  font-family:inherit;
  font-size:.68rem;
  text-transform:uppercase;
  letter-spacing:.1em;
  font-weight:900;
  color:#698194;
}
.article-v4-reference p {
  margin:0;
  color:#526b7f;
  font-size:.9rem;
  line-height:1.65;
}

.article-v4-related {
  width:min(1180px,100%);
  margin:5.6rem auto 0;
  padding-top:2.6rem;
  border-top:1px solid #dfe8ee;
}
.article-v4-related-head {
  display:flex;
  justify-content:space-between;
  align-items:end;
  gap:2rem;
  margin-bottom:1.35rem;
}
.article-v4-related-head small {
  color:#7d8f9f;
  font-size:.66rem;
  text-transform:uppercase;
  letter-spacing:.09em;
  font-weight:900;
}
.article-v4-related-head h2 {
  margin:.25rem 0 0;
  font-family:Georgia,"Times New Roman",serif;
  color:#123650;
  font-size:clamp(2.1rem,4vw,3.2rem);
  letter-spacing:-.04em;
  line-height:1;
  font-weight:500;
}
.article-v4-related-head > a {
  color:#137baa;
  text-decoration:none;
  font-weight:850;
  font-size:.86rem;
}
.article-v4-related-grid {
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:1rem;
}
.article-v4-related-card {
  overflow:hidden;
  border:1px solid #dfe7ed;
  border-radius:22px;
  background:#fff;
  text-decoration:none;
  color:inherit;
  transition:transform .28s ease,box-shadow .28s ease;
}
.article-v4-related-card:hover {
  transform:translateY(-5px);
  box-shadow:0 20px 50px rgba(34,69,95,.085);
}
.article-v4-related-media {
  aspect-ratio:16/9;
  overflow:hidden;
  background:#f3f8fb;
}
.article-v4-related-media img {
  width:100%;height:100%;object-fit:cover;display:block;
  transition:transform .55s ease;
}
.article-v4-related-card:hover img { transform:scale(1.025); }
.article-v4-related-copy { padding:1rem 1.05rem 1.15rem; }
.article-v4-related-copy > span {
  color:#7a8e9f;
  font-size:.66rem;
  text-transform:uppercase;
  letter-spacing:.075em;
  font-weight:850;
}
.article-v4-related-copy > strong {
  display:block;
  margin:.45rem 0 .8rem;
  color:#1b3f59;
  font-family:Georgia,"Times New Roman",serif;
  font-size:1.18rem;
  line-height:1.16;
  font-weight:500;
}
.article-v4-related-copy > small {
  color:#127cab;
  font-weight:850;
}

.article-v4-end {
  width:min(1180px,100%);
  margin:2rem auto 0;
  padding:1.5rem 0 0;
  border-top:1px solid #e1e8ed;
  display:flex;
  justify-content:space-between;
  gap:1.5rem;
  align-items:end;
}
.article-v4-end small {
  display:block;
  color:#8494a0;
  font-size:.64rem;
  text-transform:uppercase;
  letter-spacing:.09em;
  font-weight:850;
}
.article-v4-end strong {
  display:block;
  margin-top:.25rem;
  color:#23435b;
}
.article-v4-end-links {
  display:flex;
  flex-wrap:wrap;
  gap:.7rem 1.25rem;
}
.article-v4-end-links a {
  color:#1278a7;
  text-decoration:none;
  font-size:.83rem;
  font-weight:850;
}

@media (max-width:980px) {
  .article-v4-sourcebar {
    grid-template-columns:1fr 1fr;
  }
  .article-v4-sourcebar > * {
    border-bottom:1px solid #e8eef2;
  }
  .article-v4-reading {
    grid-template-columns:1fr;
    gap:1rem;
    width:min(820px,100%);
  }
  .article-v4-rail { order:-1; }
  .article-v4-rail-sticky { position:static; }
  .article-v4-rail-section + .article-v4-rail-section { display:none; }
  #articleToc {
    display:flex;
    flex-wrap:wrap;
    gap:.42rem;
    border:0;
  }
  #articleToc a {
    margin:0;
    padding:.42rem .62rem;
    border:1px solid #dce7ed;
    border-radius:999px;
  }
  .article-v4-related-grid { grid-template-columns:1fr 1fr; }
}

@media (max-width:700px) {
  .article-v4-shell {
    width:min(100% - 1rem,1320px);
    padding-top:2rem;
  }
  .article-v4-header { padding-top:.5rem; }
  .article-v4-kicker-row {
    justify-content:flex-start;
    text-align:left;
  }
  .article-v4-title-wrap,
  .article-v4-header { text-align:left; }
  .article-v4-deck { margin-left:0; }
  .article-v4-title-wrap h1 {
    font-size:clamp(2.7rem,13vw,4.4rem);
    line-height:.98;
  }
  .article-v4-meta {
    justify-content:flex-start;
    gap:.9rem 1.25rem;
  }
  .article-v4-author { width:100%; }
  .article-v4-hero-frame {
    padding:8px;
    border-radius:24px;
  }
  .article-v4-hero img { border-radius:18px; }
  .article-v4-sourcebar {
    grid-template-columns:1fr;
    margin-bottom:2.5rem;
  }
  .article-v4-sourcebar > * {
    border-right:0;
    border-bottom:1px solid #e8eef2;
  }
  .article-v4-sourcebar > *:last-child { border-bottom:0; }
  .article-v4-sourcebar-label { min-height:48px; }
  .article-v4-prose {
    font-size:1rem;
    line-height:1.82;
  }
  .article-v4-related-head,
  .article-v4-end {
    flex-direction:column;
    align-items:flex-start;
  }
  .article-v4-related-grid { grid-template-columns:1fr; }
}


/* =======================================================================
   Article v5: Quanta-inspired long-form scientific storytelling
   ======================================================================= */
.article-v5 {
  --v5-ink:#17324a;
  --v5-body:#344d61;
  --v5-muted:#748797;
  --v5-line:#dde7ed;
  --v5-blue:#1b7fae;
  --v5-sky:#edf8fd;
  --v5-gold:#ffcb05;
  --v5-cream:#fffaf0;
  --v5-mint:#eefaf6;
  --v5-lilac:#f5f0ff;
  background:
    radial-gradient(circle at 92% 8%,rgba(134,207,241,.12),transparent 18rem),
    linear-gradient(180deg,#fff 0,#fdfefe 38rem,#fff 100%);
  color:var(--v5-body);
}
.article-v5-main{padding-top:86px}
.article-v5-shell{
  width:min(1360px,calc(100% - 2rem));
  margin:0 auto;
  padding:3.2rem 0 6rem;
}
.article-v5-header{
  width:min(1000px,100%);
  margin:0 auto;
  padding:1.5rem 0 2.2rem;
}
.article-v5-category-row{
  display:flex;
  flex-wrap:wrap;
  gap:.35rem .65rem;
  align-items:center;
  color:#6d8293;
  font-size:.7rem;
  font-weight:900;
  letter-spacing:.11em;
  text-transform:uppercase;
}
.article-v5-category-row a{color:var(--v5-blue);text-decoration:none}
.article-v5-header h1{
  margin:1rem 0 0;
  max-width:980px;
  font-family:Georgia,"Times New Roman",serif;
  font-size:clamp(3.4rem,7.2vw,7.1rem);
  line-height:.94;
  font-weight:500;
  letter-spacing:-.062em;
  color:#102f47;
  text-wrap:balance;
}
.article-v5-deck{
  max-width:820px;
  margin:1.35rem 0 0;
  font-size:clamp(1.1rem,1.7vw,1.33rem);
  line-height:1.72;
  color:#587084;
  text-wrap:balance;
}
.article-v5-byline{
  display:flex;
  align-items:center;
  gap:.9rem 1rem;
  flex-wrap:wrap;
  margin-top:1.9rem;
  padding-top:1rem;
  border-top:1px solid var(--v5-line);
}
.article-v5-byline>img{
  width:46px;height:46px;object-fit:cover;border-radius:50%;
  border:1px solid #d9e4eb;
}
.article-v5-byline-copy{margin-right:auto}
.article-v5-byline-copy p{margin:.08rem 0;color:#738696;font-size:.79rem}
.article-v5-byline-copy p:first-child{color:#36536a}
.article-v5-byline-copy span{color:#8595a2}
.article-v5-byline-copy strong{color:#1f4058}
.article-v5-byline .dot{padding:0 .28rem}
.article-v5-tools{display:flex;gap:.5rem;flex-wrap:wrap}
.article-v5-tool{
  appearance:none;
  border:1px solid #d8e4ea;
  background:#fff;
  color:#406077;
  border-radius:999px;
  padding:.58rem .82rem;
  font:inherit;
  font-size:.73rem;
  font-weight:800;
  text-decoration:none;
  cursor:pointer;
  transition:background .2s ease,border-color .2s ease,color .2s ease;
}
.article-v5-tool:hover{background:#f3f9fc;border-color:#c7dde8;color:#167aa9}

.article-v5-hero{
  width:min(1180px,100%);
  margin:.75rem auto 4rem;
}
.article-v5-hero img{
  width:100%;
  display:block;
  border-radius:10px;
  border:1px solid #dfe8ed;
  background:#f4f9fc;
  box-shadow:0 24px 64px rgba(28,61,87,.07);
}
.article-v5-hero figcaption{
  max-width:980px;
  margin:.7rem auto 0;
  color:#8494a1;
  font-size:.74rem;
  line-height:1.45;
}

.article-v5-body{
  width:min(1080px,100%);
  margin:0 auto;
  display:grid;
  grid-template-columns:180px minmax(0,760px);
  gap:4.5rem;
  justify-content:center;
  align-items:start;
}
.article-v5-sidebar-inner{position:sticky;top:110px}
.article-v5-side-label{
  margin:0 0 .7rem;
  color:#74889a;
  font-size:.64rem;
  font-weight:900;
  text-transform:uppercase;
  letter-spacing:.11em;
}
.article-v5-sidebar #articleToc{
  display:grid;
  border-left:1px solid #dce6ec;
}
.article-v5-sidebar #articleToc a{
  padding:.46rem 0 .46rem .8rem;
  margin-left:-1px;
  border-left:2px solid transparent;
  color:#718596;
  text-decoration:none;
  font-size:.78rem;
  line-height:1.38;
  transition:color .2s ease,border-color .2s ease;
}
.article-v5-sidebar #articleToc a:hover,
.article-v5-sidebar #articleToc a.active{
  color:#167ba9;
  border-left-color:#2187b7;
}
.article-v5-side-block{
  margin-top:1.35rem;
  padding-top:1.15rem;
  border-top:1px solid #e4ebef;
}
.article-v5-tags{display:flex;flex-wrap:wrap;gap:.35rem}
.article-v5-tags span,
.article-v5-bottom-tags span{
  padding:.32rem .5rem;
  border-radius:999px;
  background:#eef7fb;
  color:#5e7688;
  font-size:.63rem;
  font-weight:800;
}

.article-v5-paper-note{
  margin:0 0 2.6rem;
  padding:1.15rem 1.25rem 1.1rem;
  border-top:3px solid #1d82b2;
  background:linear-gradient(180deg,#f8fcfe,#fff);
  color:#5e7485;
}
.article-v5-paper-note>span{
  display:block;
  margin-bottom:.45rem;
  color:#718596;
  font-size:.64rem;
  font-weight:900;
  text-transform:uppercase;
  letter-spacing:.1em;
}
.article-v5-paper-note strong{
  display:block;
  color:#24445c;
  font-family:Georgia,"Times New Roman",serif;
  font-size:1.08rem;
  line-height:1.38;
  font-weight:500;
}
.article-v5-paper-note p{
  margin:.55rem 0 .45rem;
  font-size:.78rem;
  line-height:1.55;
}
.article-v5-paper-note a{
  color:#147baa;
  text-decoration:none;
  font-size:.76rem;
  font-weight:850;
}

.article-v5-prose{
  color:#304a5e;
  font-size:1.075rem;
  line-height:1.9;
  letter-spacing:.002em;
}
.article-v5-prose>p:first-of-type{
  font-size:1.15rem;
  line-height:1.86;
  color:#29475e;
}
.article-v5-prose h2{
  scroll-margin-top:118px;
  margin:3.6rem 0 1rem;
  font-family:Georgia,"Times New Roman",serif;
  color:#123852;
  font-size:clamp(2rem,3.4vw,2.75rem);
  line-height:1.06;
  font-weight:500;
  letter-spacing:-.034em;
}
.article-v5-prose h3{
  margin:2.4rem 0 .75rem;
  font-family:Georgia,"Times New Roman",serif;
  color:#1c4a68;
  font-size:1.52rem;
  line-height:1.15;
  font-weight:500;
}
.article-v5-prose p{margin:0 0 1.45rem}
.article-v5-prose strong{color:#213f56}
.article-v5-prose a{color:#147ba9;text-underline-offset:3px}
.article-v5-prose ul,
.article-v5-prose ol{padding-left:1.25rem;margin:0 0 1.55rem}
.article-v5-prose li{margin:.48rem 0}
.article-v5-prose blockquote{
  margin:2.1rem -1.2rem;
  padding:1.35rem 1.4rem 1.35rem 1.5rem;
  border:0;
  border-left:4px solid #78c4e7;
  background:linear-gradient(90deg,#f0f9fd,#fff);
  color:#3c5b71;
  font-family:Georgia,"Times New Roman",serif;
  font-size:1.03rem;
  line-height:1.7;
}
.article-v5-prose blockquote p:last-child{margin-bottom:0}
.article-v5-prose pre{
  overflow:auto;
  margin:2rem 0;
  padding:1.25rem 1.35rem;
  border-radius:10px;
  background:#102e45;
  color:#edf8ff;
}
.article-v5-prose code{font-size:.92em}
.article-v5-prose figure{margin:2.5rem 0}
.article-v5-prose img{
  max-width:100%;
  height:auto;
  display:block;
  margin:2rem auto 0;
  border-radius:8px;
  border:1px solid #e0e8ed;
}
.article-v5-prose figcaption{
  margin-top:.65rem;
  color:#7b8d9c;
  font-size:.78rem;
  line-height:1.5;
}
.article-v5-prose mjx-container[display="true"]{
  margin:2rem -1rem !important;
  padding:1.2rem 1rem;
  overflow-x:auto;
  border-top:1px solid #e3ebef;
  border-bottom:1px solid #e3ebef;
  background:#fbfdfe;
}
.article-v5-prose .MathJax{font-size:1.02em!important}
.article-v5-prose hr{
  border:0;
  border-top:1px solid #e2eaee;
  margin:3rem 0;
}

.article-v5-reference{
  margin:3.3rem 0 0;
  padding:1.25rem 1.3rem;
  border-radius:8px;
  border:1px solid #dde7ed;
  background:#f8fbfd;
}
.article-v5-reference h2{
  margin:0 0 .65rem;
  font-family:inherit;
  font-size:.65rem;
  color:#6f8495;
  text-transform:uppercase;
  letter-spacing:.1em;
  font-weight:900;
}
.article-v5-reference p{
  margin:0;
  font-size:.87rem;
  line-height:1.62;
  color:#526b7f;
}

.article-v5-author-card{
  display:grid;
  grid-template-columns:82px 1fr;
  gap:1rem;
  align-items:start;
  margin-top:4rem;
  padding:1.5rem 0;
  border-top:1px solid #dfe8ed;
  border-bottom:1px solid #dfe8ed;
}
.article-v5-author-card img{
  width:82px;height:82px;object-fit:cover;border-radius:50%;
  border:1px solid #dce6eb;
}
.article-v5-author-card small{
  color:#758999;
  font-size:.64rem;
  text-transform:uppercase;
  letter-spacing:.1em;
  font-weight:900;
}
.article-v5-author-card h2{
  margin:.22rem 0 .5rem;
  color:#173a54;
  font-family:Georgia,"Times New Roman",serif;
  font-size:1.55rem;
  font-weight:500;
}
.article-v5-author-card p{
  margin:0;
  color:#607789;
  font-size:.86rem;
  line-height:1.65;
}
.article-v5-author-links{display:flex;gap:.8rem;margin-top:.7rem;flex-wrap:wrap}
.article-v5-author-links a{color:#147aa9;text-decoration:none;font-size:.78rem;font-weight:850}
.article-v5-bottom-tags{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:1.2rem}

.article-v5-related{
  width:min(1180px,100%);
  margin:5.5rem auto 0;
  padding-top:2.5rem;
  border-top:1px solid #dfe8ed;
}
.article-v5-related-head{
  display:flex;
  justify-content:space-between;
  align-items:end;
  gap:2rem;
  margin-bottom:1.35rem;
}
.article-v5-related-head small{
  color:#7b8e9d;
  font-size:.64rem;
  font-weight:900;
  text-transform:uppercase;
  letter-spacing:.1em;
}
.article-v5-related-head h2{
  margin:.25rem 0 0;
  font-family:Georgia,"Times New Roman",serif;
  color:#12364f;
  font-size:clamp(2.2rem,4vw,3.2rem);
  line-height:1;
  font-weight:500;
  letter-spacing:-.04em;
}
.article-v5-related-head>a{
  color:#147aa9;
  text-decoration:none;
  font-size:.82rem;
  font-weight:850;
}
.article-v5-related-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:1rem;
}
.article-v5-related-card{
  color:inherit;
  text-decoration:none;
  border-top:1px solid #dfe8ed;
  padding-top:.85rem;
}
.article-v5-related-image{
  aspect-ratio:16/9;
  overflow:hidden;
  background:#f3f8fb;
  border-radius:7px;
}
.article-v5-related-image img{
  width:100%;height:100%;object-fit:cover;display:block;
  transition:transform .45s ease;
}
.article-v5-related-card:hover img{transform:scale(1.025)}
.article-v5-related-copy{padding:.85rem .1rem 0}
.article-v5-related-copy>span{
  color:#718697;
  font-size:.64rem;
  text-transform:uppercase;
  letter-spacing:.08em;
  font-weight:900;
}
.article-v5-related-copy h3{
  margin:.4rem 0 .55rem;
  color:#1a3e58;
  font-family:Georgia,"Times New Roman",serif;
  font-size:1.25rem;
  line-height:1.17;
  font-weight:500;
}
.article-v5-related-copy p{
  margin:0 0 .6rem;
  color:#617789;
  font-size:.82rem;
  line-height:1.55;
}
.article-v5-related-copy small{color:#7e8f9c;font-size:.68rem}

.article-v5-footer{
  width:min(1180px,100%);
  margin:2.2rem auto 0;
  padding-top:1.2rem;
  border-top:1px solid #e1e8ec;
  display:flex;
  justify-content:space-between;
  gap:1rem;
  flex-wrap:wrap;
}
.article-v5-footer a{
  color:#1479a8;
  text-decoration:none;
  font-size:.8rem;
  font-weight:850;
}

@media(max-width:960px){
  .article-v5-body{grid-template-columns:1fr;gap:1rem;width:min(800px,100%)}
  .article-v5-sidebar{order:-1}
  .article-v5-sidebar-inner{position:static}
  .article-v5-sidebar .article-v5-side-block{display:none}
  .article-v5-sidebar #articleToc{display:flex;flex-wrap:wrap;gap:.4rem;border:0}
  .article-v5-sidebar #articleToc a{
    margin:0;
    padding:.4rem .58rem;
    border:1px solid #dce7ed;
    border-radius:999px;
  }
  .article-v5-related-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:700px){
  .article-v5-shell{width:min(100% - 1rem,1360px);padding-top:2rem}
  .article-v5-header{padding-top:.3rem}
  .article-v5-header h1{font-size:clamp(2.8rem,13vw,4.6rem);line-height:.98}
  .article-v5-deck{font-size:1.05rem}
  .article-v5-byline{align-items:flex-start}
  .article-v5-tools{width:100%;margin-top:.2rem}
  .article-v5-hero{margin-bottom:2.5rem}
  .article-v5-hero img{border-radius:7px}
  .article-v5-paper-note{margin-bottom:2rem}
  .article-v5-prose{font-size:1rem;line-height:1.82}
  .article-v5-prose blockquote,
  .article-v5-prose mjx-container[display="true"]{margin-left:0!important;margin-right:0!important}
  .article-v5-author-card{grid-template-columns:62px 1fr}
  .article-v5-author-card img{width:62px;height:62px}
  .article-v5-related-head{flex-direction:column;align-items:flex-start;gap:.7rem}
  .article-v5-related-grid{grid-template-columns:1fr}
}


/* Targeted article/CV polish: flatter image, unified source block, reduced rounding */
.article-v4-hero-frame{
  padding:0 !important;
  border:0 !important;
  border-radius:0 !important;
  background:none !important;
  box-shadow:none !important;
}
.article-v4-hero img{
  border-radius:0 !important;
  border:0 !important;
  box-shadow:none !important;
}
.article-v4-hero figcaption{display:none !important;}

.article-v4-sourcebar.article-v4-sourcebar-unified{
  display:block !important;
  width:min(980px,100%);
  margin:1.5rem auto 3rem;
  border:1px solid #dfe8ee;
  border-radius:8px !important;
  overflow:visible;
  background:#f8fbfd;
  box-shadow:none;
}
.article-v4-sourcebar-unified .article-v4-sourcebar-content{
  padding:1.1rem 1.2rem;
}
.article-v4-sourcebar-unified small{
  display:block;
  margin-bottom:.35rem;
  color:#718596;
  font-size:.66rem;
  font-weight:900;
  letter-spacing:.09em;
  text-transform:uppercase;
}
.article-v4-sourcebar-unified strong{
  display:block;
  color:#23445c;
  font-size:.98rem;
  line-height:1.4;
}
.article-v4-sourcebar-unified p{
  margin:.45rem 0 .5rem;
  color:#657b8d;
  font-size:.82rem;
  line-height:1.5;
}
.article-v4-sourcebar-unified a{
  color:#137aa9;
  text-decoration:none;
  font-size:.8rem;
  font-weight:850;
}
.article-v4-reference{display:none !important;}

.cv-embed-wrap{
  margin-top:1.5rem;
  border:1px solid #dfe8ee;
  border-radius:8px;
  overflow:hidden;
  background:#fff;
}
.cv-embed{
  display:block;
  width:100%;
  height:min(80vh,1100px);
  min-height:720px;
  border:0;
}
.cv-panel{
  border-radius:8px !important;
}
@media (max-width:700px){
  .article-v4-sourcebar.article-v4-sourcebar-unified{border-radius:6px !important;}
  .cv-embed{min-height:560px;height:75vh;}
}


.article-v4-sourcebar.article-v4-sourcebar-unified > *{
  border:0 !important;
}


/* Keep MathJax inline expressions inside the surrounding sentence. */
.article-v4-prose mjx-container:not([display="true"]){
  display:inline !important;
  margin:0 .04em !important;
  padding:0 !important;
  white-space:nowrap;
  vertical-align:baseline;
}
.article-v4-prose mjx-container:not([display="true"]) > svg{
  display:inline-block !important;
  vertical-align:-0.08em;
}


/* Requested publication-strip correction only: preserve previous four-part layout, with subtle corners. */
.article-v4-sourcebar{
  border-radius:8px !important;
}