/*
 * BIOTEN Observer V7.16.0
 * Company news + industry insights editorial system.
 */

:root {
  --observer-blue: #064f98;
  --observer-blue-deep: #12385e;
  --observer-ink: #13283b;
  --observer-body: #405468;
  --observer-muted: #728293;
  --observer-line: rgba(31, 67, 101, .14);
  --observer-line-strong: rgba(31, 67, 101, .23);
  --observer-surface: #f7f9fb;
  --observer-surface-cool: #eef4f8;
  --observer-paper: #f4f0e8;
  --observer-card: rgba(252, 253, 254, .96);
  --observer-shadow: 0 18px 48px rgba(24, 56, 86, .075);
  --observer-shadow-hover: 0 22px 52px rgba(20, 59, 96, .115);
  --observer-max: 74rem;
  --observer-reading: 48rem;
  --observer-radius: 1rem;
  --observer-control-radius: .625rem;
  --observer-ease: cubic-bezier(.22, 1, .36, 1);
}

body[data-bioten-observer] {
  overflow-x: clip;
  background:
    radial-gradient(circle at 10% 12%, rgba(6, 79, 152, .055), transparent 28rem),
    linear-gradient(180deg, #f8fafb 0%, #f3f6f8 48%, #f7f9fb 100%);
  color: var(--observer-ink);
}

body[data-bioten-observer] :where(a, button, input, summary):focus-visible,
.observer-home :where(a, button):focus-visible {
  outline: .125rem solid rgba(6, 79, 152, .75);
  outline-offset: .2rem;
}

body[data-bioten-observer] :where(.observer-main, .observer-article-main, .observer-document-main) {
  box-sizing: border-box;
  font-family: "PingFang SC", "Noto Sans CJK SC", "Microsoft YaHei", "Helvetica Neue", Arial, system-ui, sans-serif;
}

.observer-home {
  box-sizing: border-box;
  font-family: "PingFang SC", "Noto Sans CJK SC", "Microsoft YaHei", Inter, system-ui, sans-serif;
}

body[data-bioten-observer] :where(.observer-main, .observer-article-main, .observer-document-main) *,
.observer-home * {
  box-sizing: border-box;
}

body[data-bioten-observer] :where(.observer-main, .observer-article-main, .observer-document-main) a,
.observer-home a {
  color: inherit;
  text-decoration: none;
}

body[data-bioten-observer] :where(.observer-main, .observer-article-main, .observer-document-main) :where(h1, h2, h3, p, ul, ol, figure),
.observer-home :where(h2, h3, p, figure) {
  margin-top: 0;
}

/* Collection hero */
.observer-main {
  min-height: 65vh;
  padding: clamp(7.7rem, 12vw, 10.5rem) clamp(1rem, 3.6vw, 3rem) clamp(5rem, 8vw, 7.5rem);
}

.observer-hero,
.observer-tabs,
.observer-content,
.observer-empty,
.observer-legacy {
  width: min(100%, var(--observer-max));
  margin-inline: auto;
}

.observer-hero {
  min-height: 0;
  padding: clamp(2.6rem, 5vw, 4.15rem);
  border: 1px solid rgba(6, 79, 152, .12);
  border-left: .25rem solid var(--observer-blue);
  border-radius: var(--observer-radius);
  background:
    linear-gradient(112deg, rgba(252, 253, 254, .985), rgba(238, 244, 248, .86)),
    var(--observer-surface);
  box-shadow: var(--observer-shadow);
  overflow: hidden;
  position: relative;
}

.observer-hero::before {
  display: none;
}

.observer-hero__brand {
  margin-bottom: 1.15rem;
  color: var(--observer-blue);
  font-size: .72rem;
  font-weight: 760;
  letter-spacing: .17em;
}

.observer-hero h1 {
  max-width: 12em;
  margin-bottom: clamp(1rem, 2vw, 1.45rem);
  color: var(--observer-ink);
  font-size: clamp(2.45rem, 4.6vw, 4rem);
  font-weight: 750;
  letter-spacing: -.05em;
  line-height: 1.08;
  text-wrap: balance;
}

.observer-hero__lead {
  max-width: 52rem;
  margin-bottom: 0;
  color: var(--observer-body);
  font-size: clamp(.98rem, 1.35vw, 1.12rem);
  line-height: 1.78;
  text-wrap: pretty;
}

.observer-tabs {
  display: flex;
  align-items: center;
  gap: clamp(1.35rem, 3vw, 2.4rem);
  padding: .3rem 0 0;
  border-bottom: 1px solid var(--observer-line);
}

.observer-tabs a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.5rem;
  padding: .85rem 0;
  border-bottom: .125rem solid transparent;
  color: var(--observer-body);
  font-size: .86rem;
  font-weight: 660;
  transition: border-color 180ms ease, color 180ms ease;
}

.observer-tabs a:hover,
.observer-tabs a[aria-current="page"] {
  border-bottom-color: var(--observer-blue);
  color: var(--observer-blue-deep);
}

/* Search and filters */
.observer-content {
  padding-top: clamp(3.1rem, 5vw, 4.6rem);
}

.observer-content__head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  min-height: 0;
  padding-bottom: 1.15rem;
  border-bottom: 1px solid var(--observer-line);
}

.observer-content__head h2 {
  margin-bottom: .55rem;
  color: var(--observer-ink);
  font-size: clamp(1.55rem, 2.5vw, 2.15rem);
  font-weight: 730;
  letter-spacing: -.035em;
}

.observer-content__head p {
  margin-bottom: 0;
  color: var(--observer-muted);
  font-size: .82rem;
  font-variant-numeric: tabular-nums;
}

.observer-search {
  display: grid;
  grid-template-columns: minmax(17rem, 28rem) minmax(0, 1fr);
  gap: clamp(1rem, 2.4vw, 2rem);
  align-items: end;
  padding: 1.4rem 0 1.7rem;
}

.observer-search form label {
  display: block;
  margin-bottom: .55rem;
  color: var(--observer-ink);
  font-size: .77rem;
  font-weight: 700;
}

.observer-search form > div {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: .45rem;
}

.observer-search input {
  width: 100%;
  min-width: 0;
  height: 2.75rem;
  padding: 0 .85rem;
  border: 1px solid var(--observer-line-strong);
  border-radius: var(--observer-control-radius);
  background: rgba(252, 253, 254, .94);
  color: var(--observer-ink);
  font: inherit;
  font-size: .85rem;
  box-shadow: inset 0 1px 2px rgba(18, 56, 94, .025);
}

.observer-search input::placeholder {
  color: #8391a0;
}

.observer-search button,
.observer-pagination button {
  min-height: 2.75rem;
  padding: 0 1rem;
  border: 1px solid var(--observer-line-strong);
  border-radius: 999px;
  background: rgba(250, 252, 253, .94);
  color: var(--observer-blue-deep);
  cursor: pointer;
  font: inherit;
  font-size: .79rem;
  font-weight: 680;
  transition: transform 180ms var(--observer-ease), background-color 180ms ease, border-color 180ms ease, color 180ms ease;
}

.observer-search button {
  border-radius: var(--observer-control-radius);
}

.observer-search form button[type="submit"] {
  border-color: var(--observer-blue);
  background: var(--observer-blue);
  color: #f4f8fc;
}

.observer-search button:hover,
.observer-pagination button:hover:not(:disabled) {
  border-color: rgba(6, 79, 152, .45);
  background: rgba(6, 79, 152, .085);
  transform: translateY(-1px);
}

.observer-search form button[type="submit"]:hover {
  background: var(--observer-blue-deep);
  color: #f4f8fc;
}

.observer-tag-filter {
  display: flex;
  gap: .45rem;
  align-items: center;
  overflow-x: auto;
  padding: .15rem 0 .35rem;
  scrollbar-width: thin;
  scroll-snap-type: x proximity;
}

.observer-tag-filter button {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: .45rem;
  min-height: 2.35rem;
  padding: 0 .8rem;
  scroll-snap-align: start;
}

.observer-tag-filter button small {
  color: var(--observer-muted);
  font-size: .68rem;
  font-variant-numeric: tabular-nums;
}

.observer-tag-filter button.is-active {
  border-color: rgba(6, 79, 152, .25);
  background: rgba(6, 79, 152, .1);
  color: var(--observer-blue-deep);
}

/* Cards */
.observer-grid,
.observer-related__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1rem, 2.1vw, 1.55rem);
}

.observer-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--observer-line);
  border-radius: .8rem;
  background: var(--observer-card);
  box-shadow: 0 .8rem 2rem rgba(24, 56, 86, .05);
  transition: border-color 220ms ease, box-shadow 260ms var(--observer-ease), transform 260ms var(--observer-ease);
}

.observer-card:hover {
  border-color: rgba(6, 79, 152, .24);
  box-shadow: var(--observer-shadow-hover);
  transform: translateY(-.12rem);
}

.observer-card[hidden] {
  display: none !important;
}

.observer-card__media {
  display: block;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--observer-surface-cool);
}

.observer-card__media img,
.observer-home-card__media img,
.observer-article-cover img,
.observer-empty > img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: var(--observer-cover-position, center);
}

.observer-card__media img,
.observer-home-card__media img {
  transition: transform 520ms var(--observer-ease), filter 260ms ease;
}

.observer-card:hover .observer-card__media img,
.observer-home-card:hover .observer-home-card__media img {
  transform: scale(1.025);
  filter: saturate(1.025) contrast(1.015);
}

.observer-card__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 1.15rem 1.15rem 1.05rem;
}

.observer-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  margin-bottom: .78rem;
  color: var(--observer-muted);
  font-size: .7rem;
  font-variant-numeric: tabular-nums;
}

.observer-card__meta span {
  color: var(--observer-blue);
  font-weight: 730;
}

.observer-card h2,
.observer-card h3 {
  display: -webkit-box;
  overflow: hidden;
  min-height: 2.96em;
  margin-bottom: .68rem;
  color: var(--observer-ink);
  font-size: clamp(1.02rem, 1.4vw, 1.16rem);
  font-weight: 715;
  letter-spacing: -.025em;
  line-height: 1.48;
  text-wrap: pretty;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.observer-card h2 a,
.observer-card h3 a {
  transition: color 180ms ease;
}

.observer-card h2 a:hover,
.observer-card h3 a:hover {
  color: var(--observer-blue);
}

.observer-card__body > p {
  display: -webkit-box;
  overflow: hidden;
  min-height: 4.65em;
  margin-bottom: .85rem;
  color: var(--observer-body);
  font-size: .83rem;
  line-height: 1.62;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.observer-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem .5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.observer-tags a {
  display: inline-flex;
  align-items: center;
  min-height: 1.72rem;
  padding: .22rem .52rem;
  border: 1px solid rgba(6, 79, 152, .13);
  border-radius: .42rem;
  background: rgba(6, 79, 152, .045);
  color: var(--observer-blue-deep);
  font-size: .68rem;
  font-weight: 640;
  transition: background-color 180ms ease, border-color 180ms ease;
}

.observer-tags a:hover {
  border-color: rgba(6, 79, 152, .28);
  background: rgba(6, 79, 152, .09);
}

.observer-tags--compact {
  margin-top: auto;
}

.observer-card__read {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  margin-top: .9rem;
  padding-top: .75rem;
  border-top: 1px solid var(--observer-line);
  color: var(--observer-blue-deep);
  font-size: .75rem;
  font-weight: 710;
}

.observer-card__read span:last-child {
  transition: transform 180ms var(--observer-ease);
}

.observer-card__read:hover span:last-child {
  transform: translateX(.2rem);
}

.observer-pagination {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .45rem;
  margin-top: clamp(2.5rem, 4vw, 3.5rem);
}

.observer-pagination button {
  min-width: 2.55rem;
  padding-inline: .85rem;
}

.observer-pagination button[aria-current="page"] {
  border-color: var(--observer-blue);
  background: var(--observer-blue);
  color: #f4f8fc;
}

.observer-pagination button:disabled {
  cursor: not-allowed;
  opacity: .42;
}

.observer-no-results,
.observer-empty,
.observer-legacy {
  border: 1px solid var(--observer-line);
  border-radius: var(--observer-radius);
  background: rgba(252, 253, 254, .92);
}

.observer-no-results {
  padding: clamp(2.5rem, 6vw, 5rem);
  text-align: center;
}

.observer-no-results h2,
.observer-empty h2,
.observer-legacy h1 {
  margin-bottom: .75rem;
  color: var(--observer-ink);
  font-weight: 730;
  letter-spacing: -.035em;
}

.observer-no-results p,
.observer-empty p,
.observer-legacy p {
  margin-bottom: 0;
  color: var(--observer-body);
  line-height: 1.75;
}

.observer-empty {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(18rem, .95fr);
  gap: 0;
  margin-top: clamp(3rem, 6vw, 5rem);
  overflow: hidden;
}

.observer-empty > img {
  aspect-ratio: 16 / 9;
}

.observer-empty > div {
  align-self: center;
  padding: clamp(2rem, 5vw, 4rem);
}

.observer-empty a,
.observer-legacy a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.8rem;
  margin-top: 1.35rem;
  padding: .65rem 1.15rem;
  border-radius: 999px;
  background: var(--observer-blue);
  color: #f4f8fc;
  font-size: .82rem;
  font-weight: 700;
}

.observer-legacy {
  max-width: 48rem;
  margin-top: 2rem;
  padding: clamp(2rem, 6vw, 4.5rem);
}

.observer-legacy > div {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
}

.observer-legacy a + a {
  border: 1px solid var(--observer-line-strong);
  background: transparent;
  color: var(--observer-blue-deep);
}

/* Homepage module */
.observer-home {
  position: relative;
  padding: clamp(4.6rem, 7vw, 7rem) clamp(1rem, 3.6vw, 3rem);
  border-top: 1px solid rgba(6, 79, 152, .08);
  border-bottom: 1px solid rgba(6, 79, 152, .1);
  background:
    linear-gradient(90deg, rgba(244, 240, 232, .66), rgba(239, 245, 249, .9)),
    var(--observer-surface);
  color: var(--observer-ink);
}

.observer-home__anchor {
  position: absolute;
  top: -5rem;
}

.observer-home__inner {
  width: min(100%, var(--observer-max));
  margin-inline: auto;
}

.observer-home__head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 1.8rem;
}

.observer-home__head h2 {
  margin-bottom: .35rem;
  color: var(--observer-ink);
  font-size: clamp(1.9rem, 3.3vw, 2.8rem);
  font-weight: 750;
  letter-spacing: -.05em;
}

.observer-home__head p {
  margin-bottom: 0;
  color: var(--observer-blue);
  font-size: .86rem;
  font-weight: 690;
  letter-spacing: .05em;
}

.observer-home__head > a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.7rem;
  padding: .62rem 1.05rem;
  border: 1px solid rgba(6, 79, 152, .26);
  border-radius: 999px;
  color: var(--observer-blue-deep);
  font-size: .8rem;
  font-weight: 700;
  transition: background-color 180ms ease, border-color 180ms ease, transform 180ms var(--observer-ease);
}

.observer-home__head > a:hover {
  border-color: rgba(6, 79, 152, .4);
  background: rgba(6, 79, 152, .075);
  transform: translateY(-1px);
}

.observer-home__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(.8rem, 1.5vw, 1.15rem);
}

.observer-home-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--observer-line);
  border-radius: var(--observer-radius);
  background: rgba(252, 253, 254, .9);
  box-shadow: 0 1rem 2.6rem rgba(24, 56, 86, .055);
  transition: border-color 220ms ease, box-shadow 250ms var(--observer-ease), transform 250ms var(--observer-ease);
}

.observer-home-card:hover {
  border-color: rgba(6, 79, 152, .24);
  box-shadow: 0 1.3rem 3rem rgba(24, 56, 86, .1);
  transform: translateY(-.18rem);
}

.observer-home-card__media {
  display: block;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.observer-home-card > div {
  padding: 1rem;
}

.observer-home-card > div > span {
  display: block;
  margin-bottom: .48rem;
  color: var(--observer-blue);
  font-size: .68rem;
  font-weight: 730;
}

.observer-home-card h3 {
  margin-bottom: .7rem;
  color: var(--observer-ink);
  font-size: .95rem;
  font-weight: 700;
  letter-spacing: -.018em;
  line-height: 1.48;
}

.observer-home-card time {
  color: var(--observer-muted);
  font-size: .67rem;
  font-variant-numeric: tabular-nums;
}

/* Article */
.observer-article-main {
  padding: clamp(7.6rem, 11vw, 10rem) clamp(1rem, 3.6vw, 3rem) clamp(5.5rem, 8vw, 8rem);
}

.observer-article {
  width: min(100%, var(--observer-max));
  margin-inline: auto;
}

.observer-article-hero {
  width: min(100%, 54rem);
  margin: 0 auto clamp(2rem, 4vw, 3.5rem);
  text-align: left;
}

.observer-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-start;
  gap: .4rem;
  margin-bottom: clamp(1.7rem, 3vw, 2.5rem);
  color: var(--observer-muted);
  font-size: .72rem;
}

.observer-breadcrumb a {
  transition: color 180ms ease;
}

.observer-breadcrumb a:hover {
  color: var(--observer-blue);
}

.observer-breadcrumb > * + *::before {
  content: "/";
  margin-right: .4rem;
  color: #9da9b4;
}

.observer-article-hero__category {
  display: inline-flex;
  margin-bottom: 1rem;
  color: var(--observer-blue);
  font-size: .76rem;
  font-weight: 740;
  letter-spacing: .06em;
}

.observer-article-hero h1 {
  max-width: 18em;
  margin: 0 0 1.35rem;
  color: var(--observer-ink);
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 750;
  letter-spacing: -.048em;
  line-height: 1.22;
  text-wrap: balance;
}

.observer-article-hero__meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: .7rem 1.5rem;
  margin-bottom: 1.4rem;
  color: var(--observer-muted);
  font-size: .77rem;
}

.observer-article-hero__meta span {
  display: inline-flex;
  gap: .5rem;
  align-items: center;
}

.observer-article-hero__meta b {
  color: var(--observer-body);
  font-weight: 670;
}

.observer-article-abstract {
  max-width: 46rem;
  margin: 0 0 1.15rem;
  color: var(--observer-body);
  font-size: clamp(1rem, 1.4vw, 1.12rem);
  line-height: 1.9;
  text-wrap: pretty;
}

.observer-article-hero > .observer-tags {
  justify-content: flex-start;
}

.observer-article-cover {
  width: min(100%, 68rem);
  aspect-ratio: 16 / 9;
  margin: 0 auto clamp(3rem, 6vw, 5.5rem);
  overflow: hidden;
  border: 1px solid var(--observer-line);
  border-radius: clamp(1rem, 2vw, 1.5rem);
  background: var(--observer-surface-cool);
  box-shadow: var(--observer-shadow);
}

.observer-core-points,
.observer-article-data,
.observer-faq,
.observer-pdf,
.observer-related {
  width: min(100%, var(--observer-reading));
  margin-inline: auto;
}

.observer-core-points {
  margin-bottom: clamp(3rem, 6vw, 5rem);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border: 1px solid rgba(6, 79, 152, .16);
  border-left: .26rem solid var(--observer-blue);
  border-radius: .75rem;
  background: linear-gradient(135deg, rgba(236, 243, 248, .9), rgba(250, 252, 253, .92));
  box-shadow: none;
}

.observer-core-points h2,
.observer-article-data h2,
.observer-faq h2,
.observer-pdf h2,
.observer-related h2 {
  margin-bottom: 1.1rem;
  color: var(--observer-ink);
  font-size: clamp(1.3rem, 2vw, 1.72rem);
  font-weight: 730;
  letter-spacing: -.035em;
}

.observer-core-points > ul {
  display: grid;
  gap: .75rem;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: observer-point;
}

.observer-core-points > ul > li {
  position: relative;
  padding-left: 2.1rem;
  color: var(--observer-body);
  font-size: .92rem;
  line-height: 1.72;
  counter-increment: observer-point;
}

.observer-core-points > ul > li::before {
  content: counter(observer-point, decimal-leading-zero);
  position: absolute;
  top: .06rem;
  left: 0;
  color: var(--observer-blue);
  font-size: .68rem;
  font-weight: 760;
  letter-spacing: .04em;
}

.observer-core-points__evidence {
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--observer-line);
}

.observer-core-points__evidence .v750-evidence {
  margin: 0 !important;
  border: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
}

.observer-article-body {
  width: min(100%, var(--observer-reading));
  margin: 0 auto clamp(3.5rem, 7vw, 6rem);
  color: var(--observer-body);
}

.observer-article-body > section {
  margin: 0 !important;
  padding: 0 !important;
  border: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
}

.observer-article-body > section + section {
  margin-top: 2.5rem !important;
  padding-top: 0 !important;
}

.observer-article-body :where(.news-content, .content-section) {
  width: 100% !important;
  max-width: none !important;
  margin-inline: 0 !important;
}

.observer-article-body :where(p, li) {
  color: var(--observer-body) !important;
  font-size: clamp(.96rem, 1.22vw, 1.04rem) !important;
  line-height: 1.92 !important;
}

.observer-article-body p {
  margin-bottom: 1.25rem !important;
}

.observer-article-body :where(h2, h3, h4) {
  color: var(--observer-ink) !important;
  font-weight: 730 !important;
  letter-spacing: -.028em !important;
}

.observer-article-body h2 {
  margin: 2.9rem 0 1.1rem !important;
  font-size: clamp(1.4rem, 2.25vw, 1.78rem) !important;
}

.observer-article-body h3 {
  margin: 2rem 0 .8rem !important;
  font-size: clamp(1.15rem, 1.8vw, 1.38rem) !important;
}

.observer-article-body :where(ul, ol) {
  margin: 0 0 1.35rem !important;
  padding-left: 1.25rem !important;
}

.observer-article-body figure {
  width: min(100%, 46rem) !important;
  margin: 2rem auto !important;
}

.observer-article-body figure img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 43rem;
  border: 1px solid var(--observer-line);
  border-radius: .8rem;
  object-fit: contain;
  background: var(--observer-surface-cool);
}

.observer-article-body figcaption {
  margin-top: .55rem;
  color: var(--observer-muted) !important;
  font-size: .74rem !important;
  line-height: 1.6 !important;
  text-align: center;
}

.observer-article-body .observer-moved-cover-caption {
  margin: -1rem 0 2rem !important;
  color: var(--observer-muted) !important;
  font-size: .74rem !important;
  line-height: 1.6 !important;
  text-align: center;
}

.observer-article-body :where(blockquote, aside) {
  margin: 1.7rem 0 !important;
  padding: 1.15rem 1.3rem !important;
  border: 0 !important;
  border-left: .2rem solid rgba(6, 79, 152, .55) !important;
  border-radius: 0 .65rem .65rem 0 !important;
  background: rgba(235, 242, 247, .72) !important;
}

.observer-article-body a {
  color: var(--observer-blue) !important;
  text-decoration: underline;
  text-decoration-color: rgba(6, 79, 152, .32);
  text-underline-offset: .2rem;
}

.observer-article-data,
.observer-faq {
  margin-bottom: clamp(3rem, 6vw, 5rem);
}

.observer-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--observer-line);
  border-radius: .8rem;
  background: rgba(252, 253, 254, .92);
}

.observer-article-data table {
  width: 100%;
  border-collapse: collapse;
  color: var(--observer-body);
  font-size: .85rem;
}

.observer-article-data caption {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.observer-article-data :where(th, td) {
  padding: .9rem 1rem;
  border-bottom: 1px solid var(--observer-line);
  text-align: left;
  vertical-align: top;
}

.observer-article-data tr:last-child :where(th, td) {
  border-bottom: 0;
}

.observer-article-data th {
  width: 10rem;
  background: rgba(235, 242, 247, .56);
  color: var(--observer-ink);
  font-weight: 690;
}

.observer-faq details {
  border-top: 1px solid var(--observer-line);
}

.observer-faq details:last-child {
  border-bottom: 1px solid var(--observer-line);
}

.observer-faq summary {
  position: relative;
  padding: 1.1rem 2.5rem 1.1rem 0;
  color: var(--observer-ink);
  cursor: pointer;
  font-size: .94rem;
  font-weight: 680;
  list-style: none;
}

.observer-faq summary::-webkit-details-marker {
  display: none;
}

.observer-faq summary::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: .35rem;
  color: var(--observer-blue);
  font-size: 1.2rem;
  font-weight: 500;
  transform: translateY(-50%);
}

.observer-faq details[open] summary::after {
  content: "−";
}

.observer-faq details p {
  margin: -.25rem 0 1.15rem;
  padding-right: 2.5rem;
  color: var(--observer-body);
  font-size: .88rem;
  line-height: 1.75;
}

.observer-pdf {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 2rem;
  align-items: center;
  margin-bottom: clamp(4rem, 7vw, 6rem);
  padding: clamp(1.5rem, 4vw, 2.4rem);
  border: 1px solid rgba(6, 79, 152, .18);
  border-radius: var(--observer-radius);
  background: linear-gradient(135deg, rgba(237, 244, 249, .94), rgba(249, 251, 252, .9));
}

.observer-pdf h2 {
  margin-bottom: .55rem;
}

.observer-pdf p {
  max-width: 35rem;
  margin-bottom: 0;
  color: var(--observer-body);
  font-size: .85rem;
  line-height: 1.72;
}

.observer-pdf__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
  justify-content: flex-end;
}

.observer-pdf__actions a,
.observer-document-actions a {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  min-height: 2.85rem;
  padding: .65rem 1rem;
  border: 1px solid var(--observer-line-strong);
  border-radius: 999px;
  background: rgba(252, 253, 254, .82);
  color: var(--observer-blue-deep);
  font-size: .78rem;
  font-weight: 700;
}

.observer-pdf__actions a:first-child,
.observer-document-actions a[data-document-open] {
  border-color: var(--observer-blue);
  background: var(--observer-blue);
  color: #f4f8fc;
}

.observer-related {
  width: min(100%, var(--observer-max));
}

.observer-related > header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--observer-line);
}

.observer-related > header h2 {
  margin-bottom: 0;
}

.observer-related > header a {
  color: var(--observer-blue);
  font-size: .79rem;
  font-weight: 700;
}

/* PDF reader */
.observer-document-main {
  padding: clamp(7.6rem, 11vw, 9.5rem) clamp(1rem, 3.6vw, 3rem) clamp(4rem, 7vw, 6rem);
}

.observer-document-hero,
.observer-document-shell {
  width: min(100%, var(--observer-max));
  margin-inline: auto;
}

.observer-document-hero {
  margin-bottom: 1.4rem;
}

.observer-document-hero .observer-breadcrumb {
  justify-content: flex-start;
  margin-bottom: 1.2rem;
}

.observer-document-hero h1 {
  margin-bottom: .55rem;
  color: var(--observer-ink);
  font-size: clamp(2rem, 4vw, 3.3rem);
  font-weight: 750;
  letter-spacing: -.05em;
}

.observer-document-hero > p {
  margin-bottom: 0;
  color: var(--observer-body);
  line-height: 1.7;
}

.observer-document-shell {
  padding: 1rem;
  border: 1px solid var(--observer-line);
  border-radius: var(--observer-radius);
  background: rgba(252, 253, 254, .94);
  box-shadow: var(--observer-shadow);
}

.observer-document-toolbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1.5rem;
  align-items: center;
  padding: .65rem .45rem 1rem;
}

.observer-document-toolbar > div:first-child > span {
  display: block;
  margin-bottom: .25rem;
  color: var(--observer-blue);
  font-size: .68rem;
  font-weight: 730;
}

.observer-document-toolbar strong {
  display: block;
  color: var(--observer-ink);
  font-size: 1rem;
}

.observer-document-toolbar p {
  margin: .38rem 0 0;
  color: var(--observer-muted);
  font-size: .75rem;
  line-height: 1.6;
}

.observer-document-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: .45rem;
}

.observer-document-frame {
  display: block;
  width: 100%;
  height: min(76vh, 58rem);
  min-height: 36rem;
  border: 1px solid var(--observer-line);
  border-radius: .7rem;
  background: #e8edf1;
}

.observer-document-error {
  padding: 4rem 1.5rem;
  text-align: center;
}

.observer-document-error h2 {
  margin-bottom: .7rem;
  color: var(--observer-ink);
}

.observer-document-error p {
  color: var(--observer-body);
}

.observer-document-error a {
  color: var(--observer-blue);
  font-weight: 700;
}

/* Footer */
.observer-footer {
  border-top: 1px solid rgba(6, 79, 152, .12);
  background:
    linear-gradient(110deg, rgba(234, 241, 247, .97), rgba(247, 249, 251, .95)),
    var(--observer-surface);
  color: var(--observer-ink);
}

.observer-footer__inner,
.observer-footer__bottom {
  width: min(var(--observer-max), calc(100% - 2rem));
  margin-inline: auto;
}

.observer-footer__inner {
  display: grid;
  grid-template-columns: minmax(24rem, 1.12fr) minmax(22rem, .88fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  padding: 2.15rem 0;
}

.observer-footer__identity {
  display: grid;
  grid-template-columns: 7.25rem minmax(0, 1fr);
  gap: 1.25rem;
  align-items: center;
}

.observer-footer__mark img {
  display: block;
  width: 7.25rem;
  height: auto;
}

.observer-footer__identity > div {
  display: grid;
  gap: .28rem;
}

.observer-footer__identity strong {
  color: var(--observer-ink);
  font-size: .83rem;
  font-weight: 710;
}

.observer-footer__identity > div a {
  width: fit-content;
  color: var(--observer-body);
  font-size: .74rem;
}

.observer-footer__routes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem 2rem;
}

.observer-footer__routes > div {
  display: grid;
  gap: .52rem;
}

.observer-footer__routes a {
  width: fit-content;
  color: var(--observer-body);
  font-size: .75rem;
  font-weight: 620;
  transition: color 180ms ease;
}

.observer-footer__routes a:hover,
.observer-footer__identity a:hover,
.observer-footer__bottom a:hover {
  color: var(--observer-blue);
}

.observer-footer__bottom {
  display: grid;
  grid-template-columns: auto auto minmax(18rem, 1fr) auto auto;
  gap: 1rem;
  align-items: center;
  min-height: 3.25rem;
  border-top: 1px solid var(--observer-line);
  color: var(--observer-muted);
  font-size: .66rem;
  white-space: nowrap;
}

.observer-footer__bottom :nth-child(3) {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}

html[lang="en"] body[data-bioten-observer] :where(h1, h2, h3, p, a, span, strong, button, input),
html[lang="en"] .observer-home :where(h2, h3, p, a, span) {
  word-break: normal;
}

@media (max-width: 68.749rem) {
  .observer-search {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .observer-home__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .observer-footer__inner {
    grid-template-columns: 1fr;
  }

  .observer-footer__bottom {
    grid-template-columns: auto auto minmax(10rem, 1fr) auto auto;
    gap: .65rem;
    font-size: .62rem;
  }
}

@media (max-width: 67.499rem) {
  .observer-grid,
  .observer-related__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 53.75rem) {
  .observer-main,
  .observer-article-main,
  .observer-document-main {
    padding-top: 6.7rem;
  }

  .observer-hero {
    grid-template-columns: 1fr;
  }

  .observer-empty {
    grid-template-columns: 1fr;
  }

  .observer-pdf,
  .observer-document-toolbar {
    grid-template-columns: 1fr;
  }

  .observer-pdf__actions,
  .observer-document-actions {
    justify-content: flex-start;
  }

  .observer-document-frame {
    min-height: 31rem;
  }

  .observer-footer__bottom {
    display: flex;
    overflow-x: auto;
    justify-content: flex-start;
    scrollbar-width: thin;
  }
}

@media (max-width: 44.999rem) {
  .observer-main,
  .observer-article-main,
  .observer-document-main {
    padding-right: .9rem;
    padding-left: .9rem;
  }

  .observer-hero {
    min-height: 0;
    padding: 2rem 1.25rem 2.2rem;
  }

  .observer-hero h1 {
    font-size: clamp(2.35rem, 12vw, 3.25rem);
  }

  .observer-tabs {
    overflow-x: auto;
    scroll-snap-type: x proximity;
  }

  .observer-tabs a {
    flex: 0 0 auto;
    scroll-snap-align: start;
  }

  .observer-search form > div {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .observer-search form button[data-observer-reset] {
    grid-column: 1 / -1;
  }

  .observer-grid,
  .observer-related__grid,
  .observer-home__grid {
    grid-template-columns: 1fr;
  }

  .observer-card__body > p {
    min-height: 0;
  }

  .observer-home {
    padding-right: .9rem;
    padding-left: .9rem;
  }

  .observer-home__head {
    align-items: center;
  }

  .observer-home__head p {
    letter-spacing: .025em;
  }

  .observer-home__head > a {
    flex: 0 0 auto;
  }

  .observer-article-hero {
    text-align: left;
  }

  .observer-article-hero h1,
  .observer-article-abstract {
    margin-inline: 0;
  }

  .observer-article-hero h1 {
    font-size: clamp(1.9rem, 9vw, 2.65rem);
  }

  .observer-breadcrumb,
  .observer-article-hero__meta,
  .observer-article-hero > .observer-tags {
    justify-content: flex-start;
  }

  .observer-core-points,
  .observer-pdf {
    padding: 1.25rem;
  }

  .observer-article-data th {
    width: 7.5rem;
  }

  .observer-pdf__actions,
  .observer-pdf__actions a,
  .observer-document-actions,
  .observer-document-actions a {
    width: 100%;
  }

  .observer-related > header {
    align-items: center;
  }

  .observer-footer__inner {
    padding: 1.7rem 0;
  }

  .observer-footer__identity {
    grid-template-columns: 6rem minmax(0, 1fr);
    gap: 1rem;
  }

  .observer-footer__mark img {
    width: 6rem;
  }

  .observer-footer__routes {
    gap: 1rem;
  }
}

@media (max-width: 27.499rem) {
  .observer-content__head,
  .observer-home__head,
  .observer-related > header {
    align-items: flex-start;
    flex-direction: column;
    gap: .75rem;
  }

  .observer-search form > div {
    grid-template-columns: 1fr;
  }

  .observer-search form button,
  .observer-search form button[data-observer-reset] {
    grid-column: 1;
    width: 100%;
  }

  .observer-footer__identity,
  .observer-footer__routes {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .observer-card,
  .observer-card__media img,
  .observer-home-card,
  .observer-home-card__media img,
  .observer-card__read span:last-child,
  .observer-search button,
  .observer-pagination button,
  .observer-home__head > a {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}

/* --------------------------------------------------------------------------
 * V7.17.1 BIOTEN Observer compact list refinement
 * Scope: collection pages only. Article, PDF reader and homepage cards retain
 * their established editorial composition.
 * -------------------------------------------------------------------------- */

.observer-main[data-observer-layout="compact-small-media"] {
  --observer-list-thumb: clamp(10.5rem, 15vw, 12.5rem);
  padding-bottom: clamp(4.5rem, 7vw, 6.5rem);
}

.observer-main[data-observer-layout="compact-small-media"] .observer-hero {
  padding: clamp(2.25rem, 4vw, 3.35rem);
  border-left-width: .1875rem;
  box-shadow: 0 12px 34px rgba(24, 56, 86, .055);
}

.observer-main[data-observer-layout="compact-small-media"] .observer-hero__brand {
  margin-bottom: .85rem;
  font-size: .66rem;
  letter-spacing: .15em;
}

.observer-main[data-observer-layout="compact-small-media"] .observer-hero h1 {
  margin-bottom: .85rem;
  font-size: clamp(2.25rem, 4vw, 3.45rem);
}

.observer-main[data-observer-layout="compact-small-media"] .observer-hero__lead {
  max-width: 46rem;
  font-size: clamp(.92rem, 1.15vw, 1.02rem);
  line-height: 1.72;
}

.observer-main[data-observer-layout="compact-small-media"] .observer-tabs {
  gap: clamp(1.1rem, 2.3vw, 1.8rem);
  padding-top: .15rem;
}

.observer-main[data-observer-layout="compact-small-media"] .observer-tabs a {
  min-height: 3rem;
  padding: .65rem 0;
  color: var(--observer-muted);
  font-size: .76rem;
  font-weight: 610;
  opacity: .82;
}

.observer-main[data-observer-layout="compact-small-media"] .observer-tabs a:hover,
.observer-main[data-observer-layout="compact-small-media"] .observer-tabs a[aria-current="page"] {
  color: var(--observer-blue-deep);
  opacity: 1;
}

.observer-main[data-observer-layout="compact-small-media"] .observer-content {
  padding-top: clamp(2.1rem, 3.6vw, 3rem);
}

.observer-main[data-observer-layout="compact-small-media"] .observer-content__head {
  padding-bottom: .8rem;
}

.observer-main[data-observer-layout="compact-small-media"] .observer-content__head h2 {
  margin-bottom: .3rem;
  font-size: clamp(1.35rem, 2vw, 1.75rem);
}

.observer-main[data-observer-layout="compact-small-media"] .observer-content__head p {
  font-size: .72rem;
}

.observer-main[data-observer-layout="compact-small-media"] .observer-search {
  grid-template-columns: minmax(16rem, 23rem) minmax(0, 1fr);
  gap: clamp(.85rem, 1.8vw, 1.4rem);
  align-items: center;
  padding: .8rem 0 1.35rem;
}

.observer-main[data-observer-layout="compact-small-media"] .observer-search form label {
  margin-bottom: .35rem;
  color: var(--observer-muted);
  font-size: .66rem;
  font-weight: 610;
}

.observer-main[data-observer-layout="compact-small-media"] .observer-search form > div {
  gap: .35rem;
}

.observer-main[data-observer-layout="compact-small-media"] .observer-search input,
.observer-main[data-observer-layout="compact-small-media"] .observer-search button {
  min-height: 2.3rem;
  height: 2.3rem;
  font-size: .72rem;
}

.observer-main[data-observer-layout="compact-small-media"] .observer-search input {
  border-color: rgba(31, 67, 101, .14);
  background: rgba(252, 253, 254, .72);
  box-shadow: none;
}

.observer-main[data-observer-layout="compact-small-media"] .observer-search form button[type="submit"] {
  border-color: rgba(6, 79, 152, .18);
  background: rgba(6, 79, 152, .075);
  color: var(--observer-blue-deep);
}

.observer-main[data-observer-layout="compact-small-media"] .observer-search form button[type="submit"]:hover {
  border-color: rgba(6, 79, 152, .3);
  background: rgba(6, 79, 152, .12);
  color: var(--observer-blue-deep);
}

.observer-main[data-observer-layout="compact-small-media"] .observer-search button[data-observer-reset] {
  border-color: transparent;
  background: transparent;
  color: var(--observer-muted);
}

.observer-main[data-observer-layout="compact-small-media"] .observer-tag-filter {
  gap: .22rem;
  padding: .1rem 0 .2rem;
  opacity: .72;
  scrollbar-width: none;
  transition: opacity 180ms ease;
}

.observer-main[data-observer-layout="compact-small-media"] .observer-tag-filter:hover,
.observer-main[data-observer-layout="compact-small-media"] .observer-tag-filter:focus-within {
  opacity: 1;
}

.observer-main[data-observer-layout="compact-small-media"] .observer-tag-filter::-webkit-scrollbar {
  display: none;
}

.observer-main[data-observer-layout="compact-small-media"] .observer-tag-filter button {
  min-height: 1.9rem;
  height: 1.9rem;
  padding: 0 .55rem;
  border-color: transparent;
  background: transparent;
  color: var(--observer-muted);
  font-size: .67rem;
  font-weight: 600;
}

.observer-main[data-observer-layout="compact-small-media"] .observer-tag-filter button small {
  font-size: .6rem;
  opacity: .78;
}

.observer-main[data-observer-layout="compact-small-media"] .observer-tag-filter button.is-active {
  border-color: rgba(6, 79, 152, .13);
  background: rgba(6, 79, 152, .06);
  color: var(--observer-blue-deep);
}

.observer-main[data-observer-layout="compact-small-media"] .observer-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(.75rem, 1.5vw, 1rem);
}

.observer-main[data-observer-layout="compact-small-media"] .observer-card {
  display: grid;
  grid-template-columns: var(--observer-list-thumb) minmax(0, 1fr);
  align-items: stretch;
  min-height: 13rem;
  border-radius: .72rem;
  background: rgba(252, 253, 254, .9);
  box-shadow: 0 .45rem 1.4rem rgba(24, 56, 86, .038);
}

.observer-main[data-observer-layout="compact-small-media"] .observer-card:hover {
  box-shadow: 0 .8rem 2rem rgba(20, 59, 96, .08);
  transform: translateY(-.08rem);
}

.observer-main[data-observer-layout="compact-small-media"] .observer-card__media {
  align-self: start;
  margin: .9rem 0 .9rem .9rem;
  aspect-ratio: 16 / 9;
  border-radius: .5rem;
}

.observer-main[data-observer-layout="compact-small-media"] .observer-card__body {
  min-width: 0;
  padding: .9rem 1rem .85rem;
}

.observer-main[data-observer-layout="compact-small-media"] .observer-card__meta {
  gap: .55rem;
  margin-bottom: .52rem;
  font-size: .64rem;
}

.observer-main[data-observer-layout="compact-small-media"] .observer-card h2,
.observer-main[data-observer-layout="compact-small-media"] .observer-card h3 {
  min-height: 2.88em;
  margin-bottom: .48rem;
  font-size: clamp(.94rem, 1.15vw, 1.04rem);
  line-height: 1.44;
}

.observer-main[data-observer-layout="compact-small-media"] .observer-card__body > p {
  min-height: 3.05em;
  margin-bottom: .55rem;
  font-size: .75rem;
  line-height: 1.52;
  -webkit-line-clamp: 2;
}

.observer-main[data-observer-layout="compact-small-media"] .observer-tags {
  gap: .25rem;
}

.observer-main[data-observer-layout="compact-small-media"] .observer-tags li:nth-child(n + 3) {
  display: none;
}

.observer-main[data-observer-layout="compact-small-media"] .observer-tags a {
  min-height: 1.42rem;
  padding: .1rem .4rem;
  border-color: rgba(6, 79, 152, .09);
  background: rgba(6, 79, 152, .03);
  font-size: .61rem;
  font-weight: 610;
}

.observer-main[data-observer-layout="compact-small-media"] .observer-card__read {
  margin-top: .5rem;
  padding-top: .48rem;
  border-top-color: rgba(31, 67, 101, .09);
  font-size: .68rem;
}

.observer-main[data-observer-layout="compact-small-media"] .observer-pagination {
  margin-top: clamp(2rem, 3.5vw, 2.75rem);
}

.observer-main[data-observer-layout="compact-small-media"] .observer-pagination button {
  min-width: 2.25rem;
  min-height: 2.25rem;
  padding-inline: .7rem;
  font-size: .72rem;
}

@media (max-width: 68.749rem) {
  .observer-main[data-observer-layout="compact-small-media"] .observer-search {
    grid-template-columns: minmax(15rem, 22rem) minmax(0, 1fr);
  }
}

@media (max-width: 56.249rem) {
  .observer-main[data-observer-layout="compact-small-media"] {
    --observer-list-thumb: clamp(10rem, 26vw, 13rem);
  }

  .observer-main[data-observer-layout="compact-small-media"] .observer-search,
  .observer-main[data-observer-layout="compact-small-media"] .observer-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .observer-main[data-observer-layout="compact-small-media"] .observer-search {
    align-items: stretch;
  }

  .observer-main[data-observer-layout="compact-small-media"] .observer-card {
    min-height: 11.75rem;
  }
}

@media (max-width: 44.999rem) {
  .observer-main[data-observer-layout="compact-small-media"] {
    --observer-list-thumb: clamp(7.25rem, 31vw, 8.5rem);
  }

  .observer-main[data-observer-layout="compact-small-media"] .observer-hero {
    padding: 1.75rem 1.15rem 1.9rem;
  }

  .observer-main[data-observer-layout="compact-small-media"] .observer-hero h1 {
    font-size: clamp(2.15rem, 10.5vw, 2.85rem);
  }

  .observer-main[data-observer-layout="compact-small-media"] .observer-tabs {
    gap: 1.15rem;
  }

  .observer-main[data-observer-layout="compact-small-media"] .observer-tabs a {
    min-height: 2.75rem;
    font-size: .72rem;
  }

  .observer-main[data-observer-layout="compact-small-media"] .observer-search form > div {
    grid-template-columns: minmax(0, 1fr) auto auto;
  }

  .observer-main[data-observer-layout="compact-small-media"] .observer-search form button[data-observer-reset] {
    grid-column: auto;
    width: auto;
  }

  .observer-main[data-observer-layout="compact-small-media"] .observer-grid {
    gap: .65rem;
  }

  .observer-main[data-observer-layout="compact-small-media"] .observer-card {
    min-height: 0;
  }

  .observer-main[data-observer-layout="compact-small-media"] .observer-card__media {
    margin: .72rem 0 .72rem .72rem;
    border-radius: .42rem;
  }

  .observer-main[data-observer-layout="compact-small-media"] .observer-card__body {
    padding: .72rem .78rem .7rem .7rem;
  }

  .observer-main[data-observer-layout="compact-small-media"] .observer-card__meta {
    align-items: flex-start;
    margin-bottom: .4rem;
    font-size: .59rem;
  }

  .observer-main[data-observer-layout="compact-small-media"] .observer-card h2,
  .observer-main[data-observer-layout="compact-small-media"] .observer-card h3 {
    min-height: 2.84em;
    margin-bottom: .3rem;
    font-size: .86rem;
    line-height: 1.42;
  }

  .observer-main[data-observer-layout="compact-small-media"] .observer-card__body > p,
  .observer-main[data-observer-layout="compact-small-media"] .observer-card .observer-tags {
    display: none;
  }

  .observer-main[data-observer-layout="compact-small-media"] .observer-card__read {
    margin-top: auto;
    padding-top: .35rem;
    border-top: 0;
    font-size: .64rem;
  }
}

@media (max-width: 27.499rem) {
  .observer-main[data-observer-layout="compact-small-media"] .observer-search form > div {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .observer-main[data-observer-layout="compact-small-media"] .observer-search form button[data-observer-reset] {
    grid-column: 1 / -1;
    justify-self: end;
    height: 1.7rem;
    min-height: 1.7rem;
  }
}

/* --------------------------------------------------------------------------
 * V7.17.1 BIOTEN Observer refined editorial wall
 * The public collection view is intentionally reduced to image, category,
 * date, headline and reading path. Search and tag data remain available to
 * the publishing system but no longer compete with the editorial hierarchy.
 * -------------------------------------------------------------------------- */

.observer-main[data-observer-layout="compact-small-media"] {
  --observer-mini-radius: .52rem;
  padding-bottom: clamp(4rem, 6vw, 5.5rem);
}

.observer-main[data-observer-layout="compact-small-media"] .observer-hero {
  padding: clamp(1.85rem, 3.2vw, 2.75rem);
  border-left-width: .15rem;
  border-radius: .7rem;
  box-shadow: 0 .7rem 2rem rgba(24, 56, 86, .04);
}

.observer-main[data-observer-layout="compact-small-media"] .observer-hero__brand {
  margin-bottom: .62rem;
  font-size: .61rem;
  letter-spacing: .14em;
}

.observer-main[data-observer-layout="compact-small-media"] .observer-hero h1 {
  margin-bottom: .62rem;
  font-size: clamp(2.05rem, 3.6vw, 3.05rem);
  letter-spacing: -.045em;
}

.observer-main[data-observer-layout="compact-small-media"] .observer-hero__lead {
  max-width: 43rem;
  font-size: clamp(.84rem, 1vw, .94rem);
  line-height: 1.68;
}

.observer-main[data-observer-layout="compact-small-media"] .observer-tabs {
  gap: clamp(1rem, 2vw, 1.55rem);
}

.observer-main[data-observer-layout="compact-small-media"] .observer-tabs a {
  min-height: 2.65rem;
  padding: .55rem 0;
  border-bottom-width: .0625rem;
  font-size: .7rem;
  font-weight: 630;
}

.observer-main[data-observer-layout="compact-small-media"] .observer-content {
  padding-top: clamp(1.6rem, 2.7vw, 2.25rem);
}

.observer-main[data-observer-layout="compact-small-media"] .observer-content__head[hidden],
.observer-main[data-observer-layout="compact-small-media"] .observer-search[hidden] {
  display: none !important;
}

.observer-main[data-observer-layout="compact-small-media"] .observer-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(1.7rem, 2.7vw, 2.35rem) clamp(.85rem, 1.5vw, 1.2rem);
}

.observer-main[data-observer-layout="compact-small-media"] .observer-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 0;
  padding: 0 0 .8rem;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  overflow: visible;
  transform: none;
  transition: transform 220ms cubic-bezier(.2, .75, .25, 1);
}

.observer-main[data-observer-layout="compact-small-media"] .observer-card::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(6, 79, 152, .42), rgba(31, 67, 101, .1));
  transform: scaleX(.24);
  transform-origin: left center;
  transition: transform 260ms cubic-bezier(.2, .75, .25, 1);
}

.observer-main[data-observer-layout="compact-small-media"] .observer-card:hover {
  box-shadow: none;
  transform: translateY(-.14rem);
}

.observer-main[data-observer-layout="compact-small-media"] .observer-card:hover::after,
.observer-main[data-observer-layout="compact-small-media"] .observer-card:focus-within::after {
  transform: scaleX(1);
}

.observer-main[data-observer-layout="compact-small-media"] .observer-card__media {
  position: relative;
  align-self: stretch;
  width: 100%;
  margin: 0;
  aspect-ratio: 16 / 9;
  border-radius: var(--observer-mini-radius);
  background: #e9eef2;
  box-shadow: inset 0 0 0 1px rgba(31, 67, 101, .08);
  overflow: hidden;
}

.observer-main[data-observer-layout="compact-small-media"] .observer-card__media::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255, 255, 255, .28);
  border-radius: inherit;
  box-shadow: inset 0 -1.2rem 2rem rgba(20, 48, 73, .035);
  pointer-events: none;
}

.observer-main[data-observer-layout="compact-small-media"] .observer-card__media img {
  transform: scale(1.001);
  transition: transform 420ms cubic-bezier(.2, .75, .25, 1), filter 220ms ease;
}

.observer-main[data-observer-layout="compact-small-media"] .observer-card:hover .observer-card__media img,
.observer-main[data-observer-layout="compact-small-media"] .observer-card:focus-within .observer-card__media img {
  filter: saturate(1.025) contrast(1.015);
  transform: scale(1.035);
}

.observer-main[data-observer-layout="compact-small-media"] .observer-card__body {
  flex: 1;
  min-width: 0;
  padding: .7rem .06rem .05rem;
}

.observer-main[data-observer-layout="compact-small-media"] .observer-card__meta {
  gap: .42rem;
  margin-bottom: .38rem;
  color: #748291;
  font-size: .59rem;
  line-height: 1.35;
}

.observer-main[data-observer-layout="compact-small-media"] .observer-card__meta span {
  color: var(--observer-blue-deep);
  font-weight: 680;
}

.observer-main[data-observer-layout="compact-small-media"] .observer-card h2,
.observer-main[data-observer-layout="compact-small-media"] .observer-card h3 {
  display: -webkit-box;
  min-height: 4.25em;
  margin: 0;
  color: var(--observer-ink);
  font-size: clamp(.82rem, .92vw, .92rem);
  font-weight: 675;
  letter-spacing: -.018em;
  line-height: 1.42;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
}

.observer-main[data-observer-layout="compact-small-media"] .observer-card__body > p,
.observer-main[data-observer-layout="compact-small-media"] .observer-card .observer-tags {
  display: none;
}

.observer-main[data-observer-layout="compact-small-media"] .observer-card__read {
  gap: .3rem;
  margin-top: auto;
  padding-top: .55rem;
  border-top: 0;
  color: #687787;
  font-size: .61rem;
  font-weight: 620;
}

.observer-main[data-observer-layout="compact-small-media"] .observer-card__read:hover {
  color: var(--observer-blue-deep);
}

.observer-main[data-observer-layout="compact-small-media"] .observer-pagination {
  gap: .32rem;
  margin-top: clamp(2.2rem, 3.7vw, 3rem);
}

.observer-main[data-observer-layout="compact-small-media"] .observer-pagination button {
  min-width: 2.05rem;
  min-height: 2.05rem;
  padding-inline: .62rem;
  font-size: .67rem;
  box-shadow: none;
}

@media (max-width: 77.999rem) {
  .observer-main[data-observer-layout="compact-small-media"] .observer-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 57.999rem) {
  .observer-main[data-observer-layout="compact-small-media"] .observer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .observer-main[data-observer-layout="compact-small-media"] .observer-card h2,
  .observer-main[data-observer-layout="compact-small-media"] .observer-card h3 {
    font-size: .9rem;
  }
}

@media (max-width: 41.999rem) {
  .observer-main[data-observer-layout="compact-small-media"] .observer-hero {
    padding: 1.55rem 1.1rem 1.7rem;
  }

  .observer-main[data-observer-layout="compact-small-media"] .observer-hero h1 {
    font-size: clamp(1.95rem, 9.5vw, 2.55rem);
  }

  .observer-main[data-observer-layout="compact-small-media"] .observer-content {
    padding-top: 1.35rem;
  }

  .observer-main[data-observer-layout="compact-small-media"] .observer-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: .85rem;
  }

  .observer-main[data-observer-layout="compact-small-media"] .observer-card {
    display: grid;
    grid-template-columns: clamp(7.35rem, 31vw, 8.75rem) minmax(0, 1fr);
    gap: .8rem;
    align-items: start;
    padding-bottom: .8rem;
  }

  .observer-main[data-observer-layout="compact-small-media"] .observer-card__body {
    min-height: 100%;
    padding: .03rem 0 0;
  }

  .observer-main[data-observer-layout="compact-small-media"] .observer-card__meta {
    margin-bottom: .3rem;
    font-size: .56rem;
  }

  .observer-main[data-observer-layout="compact-small-media"] .observer-card h2,
  .observer-main[data-observer-layout="compact-small-media"] .observer-card h3 {
    min-height: 4.2em;
    font-size: .82rem;
    line-height: 1.4;
  }

  .observer-main[data-observer-layout="compact-small-media"] .observer-card__read {
    display: none;
  }
}

@media (max-width: 27.499rem) {
  .observer-main[data-observer-layout="compact-small-media"] .observer-tabs {
    gap: .85rem;
  }

  .observer-main[data-observer-layout="compact-small-media"] .observer-tabs a {
    font-size: .66rem;
  }

  .observer-main[data-observer-layout="compact-small-media"] .observer-card {
    grid-template-columns: 6.8rem minmax(0, 1fr);
    gap: .68rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .observer-main[data-observer-layout="compact-small-media"] .observer-card,
  .observer-main[data-observer-layout="compact-small-media"] .observer-card::after,
  .observer-main[data-observer-layout="compact-small-media"] .observer-card__media img {
    transition: none !important;
  }

  .observer-main[data-observer-layout="compact-small-media"] .observer-card:hover {
    transform: none;
  }
}

/* --------------------------------------------------------------------------
 * V7.17.1 BIOTEN Observer international editorial front page
 * Visual archetype: cool soft-structuralism + asymmetrical editorial bento.
 * One lead report and two supporting reports establish hierarchy before the
 * compact archive wall. Homepage cards and article pages remain untouched.
 * -------------------------------------------------------------------------- */

.observer-main[data-observer-layout="compact-small-media"] .observer-hero {
  padding: clamp(2.6rem, 5vw, 4.3rem) 0 clamp(1.8rem, 3.2vw, 2.6rem);
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  overflow: visible;
}

.observer-main[data-observer-layout="compact-small-media"] .observer-hero > div {
  display: grid;
  grid-template-columns: minmax(12rem, .42fr) minmax(0, .58fr);
  gap: 1rem clamp(2rem, 5vw, 5.25rem);
  align-items: end;
}

.observer-main[data-observer-layout="compact-small-media"] .observer-hero__brand {
  grid-column: 1 / -1;
  margin: 0 0 clamp(1.4rem, 2.8vw, 2.2rem);
  color: #064f98;
  font-size: clamp(3.45rem, 8.15vw, 7.35rem);
  font-weight: 790;
  letter-spacing: -.072em;
  line-height: .82;
  white-space: nowrap;
}

.observer-main[data-observer-layout="compact-small-media"] .observer-hero h1 {
  max-width: none;
  margin: 0;
  color: #163a5b;
  font-size: clamp(1.5rem, 2.2vw, 2rem);
  font-weight: 720;
  letter-spacing: -.035em;
  line-height: 1.16;
}

.observer-main[data-observer-layout="compact-small-media"] .observer-hero__lead {
  justify-self: end;
  max-width: 38rem;
  margin: 0;
  color: #53677a;
  font-size: clamp(.84rem, 1vw, .94rem);
  line-height: 1.72;
}

.observer-main[data-observer-layout="compact-small-media"] .observer-tabs {
  justify-content: flex-end;
  gap: clamp(1.1rem, 2.4vw, 2rem);
  border-top: 1px solid rgba(31, 67, 101, .08);
  border-bottom-color: rgba(31, 67, 101, .12);
}

.observer-main[data-observer-layout="compact-small-media"] .observer-tabs a {
  min-height: 3rem;
  font-size: .72rem;
  letter-spacing: .01em;
}

.observer-main[data-observer-layout="compact-small-media"] .observer-content {
  padding-top: clamp(1.9rem, 3.6vw, 3.15rem);
}

.observer-frontpage {
  display: grid;
  grid-template-columns: minmax(0, 1.42fr) minmax(20rem, .78fr);
  grid-template-rows: repeat(2, minmax(0, 1fr));
  gap: clamp(.8rem, 1.35vw, 1.05rem);
  margin-bottom: clamp(2.7rem, 5vw, 4.4rem);
}

.observer-frontpage[hidden],
.observer-grid--archive[hidden] {
  display: none !important;
}

.observer-frontpage .observer-card {
  padding: .42rem;
  border-radius: .9rem;
  background: rgba(6, 79, 152, .045);
  box-shadow:
    inset 0 0 0 1px rgba(6, 79, 152, .075),
    0 1.25rem 3.6rem rgba(17, 56, 91, .055);
  overflow: hidden;
}

.observer-frontpage .observer-card::after {
  display: none;
}

.observer-frontpage .observer-card--lead {
  grid-row: 1 / 3;
}

.observer-frontpage .observer-card--lead .observer-card__media {
  border-radius: .62rem;
}

.observer-frontpage .observer-card--lead .observer-card__body {
  padding: clamp(.9rem, 1.5vw, 1.25rem) clamp(.75rem, 1.35vw, 1.1rem) .75rem;
}

.observer-frontpage .observer-card--lead .observer-card__meta {
  margin-bottom: .55rem;
  font-size: .64rem;
}

.observer-frontpage .observer-card--lead h2 {
  min-height: 0;
  font-size: clamp(1.15rem, 1.75vw, 1.52rem);
  font-weight: 710;
  letter-spacing: -.035em;
  line-height: 1.32;
  -webkit-line-clamp: 3;
}

.observer-frontpage .observer-card--lead .observer-card__body > p {
  display: -webkit-box;
  max-width: 58ch;
  margin: .65rem 0 0;
  color: #607285;
  font-size: .75rem;
  line-height: 1.62;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}

.observer-frontpage .observer-card--lead .observer-card__read {
  margin-top: .72rem;
  color: #315f89;
  font-size: .66rem;
}

.observer-frontpage .observer-card--side {
  display: grid;
  grid-template-columns: minmax(9.25rem, .92fr) minmax(0, 1.08fr);
  gap: .7rem;
  align-items: center;
  min-height: 0;
}

.observer-frontpage .observer-card--side .observer-card__media {
  align-self: center;
  border-radius: .58rem;
}

.observer-frontpage .observer-card--side .observer-card__body {
  min-height: 100%;
  padding: .45rem .55rem .42rem 0;
}

.observer-frontpage .observer-card--side .observer-card__meta {
  margin-bottom: .38rem;
  font-size: .57rem;
}

.observer-frontpage .observer-card--side h2 {
  min-height: 4.2em;
  font-size: clamp(.82rem, 1vw, .94rem);
  line-height: 1.4;
}

.observer-frontpage .observer-card--side .observer-card__read {
  padding-top: .42rem;
  font-size: .59rem;
}

.observer-grid--archive {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.observer-grid--archive .observer-card {
  transition: transform 260ms cubic-bezier(.22, .75, .24, 1);
}

@media (prefers-reduced-motion: no-preference) {
  @keyframes observer-editorial-enter {
    from {
      opacity: 0;
      transform: translateY(1.15rem);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .observer-main[data-observer-layout="compact-small-media"] .observer-hero > div,
  .observer-frontpage,
  .observer-grid--archive {
    animation: observer-editorial-enter 760ms cubic-bezier(.2, .72, .2, 1) both;
  }

  .observer-frontpage {
    animation-delay: 90ms;
  }

  .observer-grid--archive {
    animation-delay: 160ms;
  }
}

@media (max-width: 63.999rem) {
  .observer-main[data-observer-layout="compact-small-media"] .observer-hero__brand {
    font-size: clamp(3.2rem, 10vw, 6.2rem);
  }

  .observer-frontpage {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: auto;
  }

  .observer-frontpage .observer-card--lead {
    grid-column: 1 / -1;
    grid-row: auto;
  }

  .observer-frontpage .observer-card--side {
    grid-template-columns: minmax(8.2rem, .78fr) minmax(0, 1.22fr);
  }

  .observer-grid--archive {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 47.999rem) {
  .observer-main[data-observer-layout="compact-small-media"] .observer-hero {
    padding: 2.35rem 0 1.8rem;
  }

  .observer-main[data-observer-layout="compact-small-media"] .observer-hero > div {
    grid-template-columns: minmax(0, 1fr);
    gap: .75rem;
  }

  .observer-main[data-observer-layout="compact-small-media"] .observer-hero__brand,
  .observer-main[data-observer-layout="compact-small-media"] .observer-hero h1,
  .observer-main[data-observer-layout="compact-small-media"] .observer-hero__lead {
    grid-column: 1;
    justify-self: start;
  }

  .observer-main[data-observer-layout="compact-small-media"] .observer-hero__brand {
    margin-bottom: 1rem;
    font-size: clamp(2rem, 11.5vw, 4.35rem);
  }

  .observer-main[data-observer-layout="compact-small-media"] .observer-hero h1 {
    font-size: 1.45rem;
  }

  .observer-main[data-observer-layout="compact-small-media"] .observer-tabs {
    justify-content: flex-start;
  }

  .observer-frontpage {
    grid-template-columns: minmax(0, 1fr);
    margin-bottom: 2.5rem;
  }

  .observer-frontpage .observer-card--lead,
  .observer-frontpage .observer-card--side {
    grid-column: 1;
  }

  .observer-frontpage .observer-card--side {
    grid-template-columns: clamp(7.75rem, 31vw, 9.5rem) minmax(0, 1fr);
  }

  .observer-grid--archive {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 41.999rem) {
  .observer-grid--archive {
    grid-template-columns: minmax(0, 1fr);
  }

  .observer-frontpage .observer-card--lead {
    display: flex;
  }

  .observer-frontpage .observer-card--side {
    display: grid;
  }
}

@media (max-width: 27.499rem) {
  .observer-main[data-observer-layout="compact-small-media"] .observer-hero__brand {
    font-size: clamp(1.85rem, 11.2vw, 3.1rem);
  }

  .observer-frontpage .observer-card--side {
    grid-template-columns: 6.9rem minmax(0, 1fr);
    gap: .6rem;
  }

  .observer-frontpage .observer-card--side .observer-card__body {
    padding-right: .25rem;
  }
}

/* --------------------------------------------------------------------------
 * V7.17.1 BIOTEN Observer precision editorial rail
 * Collection pages use a left-led section rail and compact publication cards.
 * The homepage module, articles and PDF reader keep their existing layouts.
 * -------------------------------------------------------------------------- */

.observer-main[data-observer-layout="precision-editorial-rail"] {
  padding-bottom: clamp(4.25rem, 7vw, 6.25rem);
}

.observer-main[data-observer-layout="precision-editorial-rail"] .observer-hero {
  padding: clamp(2.1rem, 3.8vw, 3rem) 0 clamp(1.65rem, 2.8vw, 2.15rem);
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  overflow: visible;
}

.observer-main[data-observer-layout="precision-editorial-rail"] .observer-hero__brand {
  margin: 0 0 .72rem;
  color: var(--observer-blue);
  font-size: .63rem;
  font-weight: 760;
  letter-spacing: .14em;
  line-height: 1.25;
}

.observer-main[data-observer-layout="precision-editorial-rail"] .observer-hero h1 {
  max-width: none;
  margin: 0;
  color: #173a59;
  font-size: clamp(1.85rem, 3vw, 2.55rem);
  font-weight: 735;
  letter-spacing: -.045em;
  line-height: 1.12;
  text-wrap: balance;
}

.observer-main[data-observer-layout="precision-editorial-rail"] .observer-hero__lead {
  max-width: 56ch;
  margin: .72rem 0 0;
  color: #5c6f80;
  font-size: clamp(.78rem, .92vw, .86rem);
  line-height: 1.72;
  text-wrap: pretty;
}

.observer-main[data-observer-layout="precision-editorial-rail"] .observer-layout {
  display: grid;
  grid-template-columns: minmax(9.75rem, 12rem) minmax(0, 1fr);
  gap: clamp(2rem, 4vw, 4.5rem);
  align-items: start;
  width: min(100%, var(--observer-max));
  margin-inline: auto;
  padding-top: clamp(1.25rem, 2.4vw, 1.85rem);
  border-top: 1px solid rgba(31, 67, 101, .13);
}

.observer-main[data-observer-layout="precision-editorial-rail"] .observer-rail {
  position: sticky;
  top: 7.25rem;
  min-width: 0;
}

.observer-main[data-observer-layout="precision-editorial-rail"] .observer-tabs {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: .18rem;
  width: 100%;
  margin: 0;
  padding: 0;
  border: 0;
}

.observer-main[data-observer-layout="precision-editorial-rail"] .observer-tabs a {
  justify-content: flex-start;
  min-height: 2.55rem;
  padding: .64rem .7rem;
  border: 0;
  border-left: .125rem solid transparent;
  border-radius: 0 .38rem .38rem 0;
  color: #687989;
  font-size: .86rem;
  font-weight: 650;
  letter-spacing: -.012em;
  line-height: 1.25;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease;
}

.observer-main[data-observer-layout="precision-editorial-rail"] .observer-tabs a:hover {
  background: rgba(6, 79, 152, .035);
  color: var(--observer-blue-deep);
}

.observer-main[data-observer-layout="precision-editorial-rail"] .observer-tabs a[aria-current="page"] {
  border-left-color: var(--observer-blue);
  background: linear-gradient(90deg, rgba(6, 79, 152, .075), rgba(6, 79, 152, 0));
  color: var(--observer-blue-deep);
  font-weight: 735;
}

.observer-main[data-observer-layout="precision-editorial-rail"] .observer-content,
.observer-main[data-observer-layout="precision-editorial-rail"] .observer-empty {
  width: 100%;
  min-width: 0;
  margin: 0;
}

.observer-main[data-observer-layout="precision-editorial-rail"] .observer-content {
  padding-top: 0;
}

.observer-main[data-observer-layout="precision-editorial-rail"] .observer-content__head[hidden],
.observer-main[data-observer-layout="precision-editorial-rail"] .observer-search[hidden] {
  display: none !important;
}

.observer-main[data-observer-layout="precision-editorial-rail"] .observer-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(.85rem, 1.5vw, 1.2rem) clamp(.6rem, 1vw, .82rem);
}

.observer-main[data-observer-layout="precision-editorial-rail"] .observer-card {
  min-height: 0;
  padding: .26rem .26rem .52rem;
  border: 1px solid rgba(31, 67, 101, .095);
  border-radius: .54rem;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, .76), rgba(247, 250, 252, .58)),
    rgba(252, 253, 254, .64);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .82),
    0 .42rem 1.4rem rgba(24, 56, 86, .032);
  transform: none;
  transition: border-color 200ms ease, box-shadow 220ms ease;
}

.observer-main[data-observer-layout="precision-editorial-rail"] .observer-card:hover,
.observer-main[data-observer-layout="precision-editorial-rail"] .observer-card:focus-within {
  border-color: rgba(6, 79, 152, .2);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .88),
    0 .65rem 1.7rem rgba(24, 56, 86, .055);
  transform: none;
}

.observer-main[data-observer-layout="precision-editorial-rail"] .observer-card__media {
  border-radius: .34rem;
  background: #eaf0f4;
  box-shadow:
    inset 0 0 0 1px rgba(31, 67, 101, .07),
    0 .18rem .55rem rgba(24, 56, 86, .025);
}

.observer-main[data-observer-layout="precision-editorial-rail"] .observer-card__media img {
  transform: scale(1.001);
  transition: transform 360ms cubic-bezier(.2, .75, .25, 1), filter 220ms ease;
}

.observer-main[data-observer-layout="precision-editorial-rail"] .observer-card:hover .observer-card__media img,
.observer-main[data-observer-layout="precision-editorial-rail"] .observer-card:focus-within .observer-card__media img {
  filter: saturate(1.02) contrast(1.012);
  transform: scale(1.02);
}

.observer-main[data-observer-layout="precision-editorial-rail"] .observer-card__body {
  padding: .5rem .28rem .03rem;
}

.observer-main[data-observer-layout="precision-editorial-rail"] .observer-card__meta {
  gap: .38rem;
  margin-bottom: .3rem;
  color: #7b8996;
  font-size: .52rem;
  line-height: 1.3;
}

.observer-main[data-observer-layout="precision-editorial-rail"] .observer-card__meta span {
  color: #315f89;
  font-weight: 710;
}

.observer-main[data-observer-layout="precision-editorial-rail"] .observer-card h2,
.observer-main[data-observer-layout="precision-editorial-rail"] .observer-card h3 {
  min-height: 4.32em;
  margin: 0;
  color: #1e3448;
  font-size: clamp(.64rem, .56vw, .69rem);
  font-weight: 620;
  letter-spacing: -.012em;
  line-height: 1.44;
  text-wrap: pretty;
  -webkit-line-clamp: 3;
}

.observer-main[data-observer-layout="precision-editorial-rail"] .observer-card__body > p,
.observer-main[data-observer-layout="precision-editorial-rail"] .observer-card .observer-tags,
.observer-main[data-observer-layout="precision-editorial-rail"] .observer-card__read {
  display: none;
}

.observer-main[data-observer-layout="precision-editorial-rail"] .observer-pagination {
  gap: .3rem;
  margin-top: clamp(2rem, 3.7vw, 2.8rem);
}

.observer-main[data-observer-layout="precision-editorial-rail"] .observer-pagination button {
  min-width: 2rem;
  min-height: 2rem;
  padding-inline: .58rem;
  font-size: .65rem;
  box-shadow: none;
}

.observer-main[data-observer-layout="precision-editorial-rail"] .observer-empty {
  grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
  border-color: rgba(31, 67, 101, .1);
  border-radius: .72rem;
  background: rgba(252, 253, 254, .68);
  box-shadow: 0 .7rem 2rem rgba(24, 56, 86, .04);
}

.observer-main[data-observer-layout="precision-editorial-rail"] .observer-empty h2 {
  font-size: clamp(1.15rem, 1.8vw, 1.5rem);
}

.observer-main[data-observer-layout="precision-editorial-rail"] .observer-empty p {
  font-size: .82rem;
}

@media (max-width: 73.999rem) {
  .observer-main[data-observer-layout="precision-editorial-rail"] .observer-layout {
    grid-template-columns: 9.25rem minmax(0, 1fr);
    gap: clamp(1.5rem, 3vw, 2.5rem);
  }

  .observer-main[data-observer-layout="precision-editorial-rail"] .observer-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 56.999rem) {
  .observer-main[data-observer-layout="precision-editorial-rail"] .observer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 47.999rem) {
  .observer-main[data-observer-layout="precision-editorial-rail"] .observer-hero {
    padding: 1.8rem 0 1.35rem;
  }

  .observer-main[data-observer-layout="precision-editorial-rail"] .observer-hero h1 {
    font-size: clamp(1.65rem, 6.8vw, 2.1rem);
  }

  .observer-main[data-observer-layout="precision-editorial-rail"] .observer-hero__lead {
    max-width: 48ch;
    font-size: .78rem;
  }

  .observer-main[data-observer-layout="precision-editorial-rail"] .observer-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 1.3rem;
    padding-top: 1rem;
  }

  .observer-main[data-observer-layout="precision-editorial-rail"] .observer-rail {
    position: static;
  }

  .observer-main[data-observer-layout="precision-editorial-rail"] .observer-tabs {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .45rem;
  }

  .observer-main[data-observer-layout="precision-editorial-rail"] .observer-tabs a {
    min-height: 2.35rem;
    padding: .55rem .65rem;
    border: 1px solid rgba(31, 67, 101, .1);
    border-left-width: .125rem;
    border-radius: .38rem;
    background: rgba(252, 253, 254, .48);
    font-size: .78rem;
  }

  .observer-main[data-observer-layout="precision-editorial-rail"] .observer-tabs a[aria-current="page"] {
    border-color: rgba(6, 79, 152, .18);
    border-left-color: var(--observer-blue);
  }

  .observer-main[data-observer-layout="precision-editorial-rail"] .observer-empty {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 39.999rem) {
  .observer-main[data-observer-layout="precision-editorial-rail"] .observer-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: .72rem;
  }

  .observer-main[data-observer-layout="precision-editorial-rail"] .observer-card {
    display: grid;
    grid-template-columns: clamp(7.1rem, 31vw, 8.25rem) minmax(0, 1fr);
    gap: .62rem;
    align-items: start;
    padding: .32rem;
  }

  .observer-main[data-observer-layout="precision-editorial-rail"] .observer-card__body {
    min-height: 100%;
    padding: .08rem .15rem .08rem 0;
  }

  .observer-main[data-observer-layout="precision-editorial-rail"] .observer-card__meta {
    margin-bottom: .28rem;
    font-size: .53rem;
  }

  .observer-main[data-observer-layout="precision-editorial-rail"] .observer-card h2,
  .observer-main[data-observer-layout="precision-editorial-rail"] .observer-card h3 {
    min-height: 0;
    font-size: .67rem;
    line-height: 1.44;
    -webkit-line-clamp: 3;
  }
}

@media (max-width: 27.499rem) {
  .observer-main[data-observer-layout="precision-editorial-rail"] .observer-tabs a {
    font-size: .74rem;
  }

  .observer-main[data-observer-layout="precision-editorial-rail"] .observer-card {
    grid-template-columns: 6.55rem minmax(0, 1fr);
    gap: .55rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .observer-main[data-observer-layout="precision-editorial-rail"] .observer-card,
  .observer-main[data-observer-layout="precision-editorial-rail"] .observer-card__media img,
  .observer-main[data-observer-layout="precision-editorial-rail"] .observer-tabs a {
    transition: none !important;
  }
}