:root {
  --article-index-ink: var(--ui-color-ink, #122033);
  --article-index-text: var(--ui-color-text, #33465a);
  --article-index-muted: var(--ui-color-muted, #708196);
  --article-index-line: var(--ui-color-line, #dce5ec);
  --article-index-accent: var(--ui-color-accent-600, #007d9b);
}

body.view-articles_list {
  background:
    radial-gradient(circle at 5% 18%, rgba(0, 151, 184, 0.055), transparent 24rem),
    linear-gradient(180deg, #eef4f7 0, #f6f8fa 31rem, #f4f7fa 100%);
}

body.view-articles_list header.masthead.article-index-hero {
  position: relative;
  isolation: isolate;
  min-height: 430px;
  margin-bottom: 0;
  padding: calc(5.5rem + 57px) 0 7.2rem;
  background-position: center 42%;
}

body.view-articles_list header.masthead.article-index-hero::before {
  z-index: -2;
  background:
    linear-gradient(108deg, rgba(5, 20, 35, 0.96) 4%, rgba(8, 43, 66, 0.9) 54%, rgba(0, 90, 116, 0.74) 100%);
}

body.view-articles_list header.masthead.article-index-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(128, 210, 225, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(128, 210, 225, 0.07) 1px, transparent 1px),
    radial-gradient(circle at 75% 35%, rgba(44, 204, 225, 0.17), transparent 25rem);
  background-size: 44px 44px, 44px 44px, auto;
  mask-image: linear-gradient(90deg, transparent 3%, #000 44%, #000 100%);
}

body.view-articles_list header.masthead.article-index-hero .post-heading.article-index-hero-heading {
  max-width: 760px;
  padding: 0;
  text-align: left;
  text-shadow: none;
}

.article-index-hero-eyebrow {
  margin: 0 0 0.7rem;
  color: #78d9e9;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.16em;
}

body.view-articles_list header.masthead.article-index-hero .post-heading h1.article-index-hero-title {
  margin: 0;
  color: #fff;
  font-family: var(--ui-font-serif);
  font-size: clamp(2.35rem, 5vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.12;
}

body.view-articles_list header.masthead.article-index-hero .post-heading .subheading.article-index-hero-description {
  max-width: 650px;
  margin: 1rem 0 0;
  color: rgba(231, 244, 248, 0.86);
  font-size: clamp(1rem, 1.7vw, 1.18rem);
  font-weight: 400;
  line-height: 1.75;
}

.article-index-hero-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.35rem;
  color: rgba(220, 239, 244, 0.72);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.article-index-hero-meta strong {
  color: #fff;
  font-size: 0.92rem;
}

.view-articles_list .article-index-shell {
  position: relative;
  z-index: 3;
  max-width: var(--ui-page-width);
  margin-top: -3.65rem;
  margin-bottom: 3rem;
}

.view-articles_list .article-index-filter {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 1.4rem;
  min-height: 74px;
  padding: 0.85rem 1rem;
  box-shadow: 0 18px 46px rgba(7, 28, 47, 0.12);
}

.article-index-filter-heading {
  display: grid;
  min-width: 116px;
  gap: 0.05rem;
  padding-right: 1.15rem;
  border-right: 1px solid var(--article-index-line);
}

.article-index-filter-heading strong {
  color: var(--article-index-ink);
  font-family: var(--ui-font-serif);
  font-size: 0.98rem;
}

.article-index-filter-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.view-articles_list .ui-chip {
  transition: border-color var(--ui-transition), color var(--ui-transition), background-color var(--ui-transition);
}

.view-articles_list .ui-chip span {
  margin-left: 0.32rem;
  color: var(--ui-color-subtle);
  font-size: 0.68rem;
}

.view-articles_list .ui-chip.is-active {
  border-color: var(--article-index-accent);
  background: var(--ui-color-brand-900);
  color: #fff;
}

.view-articles_list .ui-chip.is-active span {
  color: rgba(255, 255, 255, 0.68);
}

.article-index-active-filter {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0.75rem 0 0;
  padding: 0 0.35rem;
  color: var(--article-index-muted);
  font-size: 0.8rem;
}

.article-index-active-filter strong {
  color: var(--article-index-accent);
}

.article-index-active-filter a {
  margin-left: auto;
  color: var(--article-index-text);
  font-weight: 700;
  text-decoration: none;
}

.article-index-feature {
  margin-top: 1.15rem;
}

.article-index-feature-card {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 178px;
  min-height: 306px;
  overflow: hidden;
  background:
    radial-gradient(circle at 76% 22%, rgba(0, 151, 184, 0.12), transparent 22rem),
    linear-gradient(145deg, #fff 0%, #f7fbfc 100%);
  box-shadow: var(--ui-shadow-md);
  animation: article-index-rise 520ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.article-index-feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 7px;
  height: 100%;
  background: linear-gradient(180deg, #00a7c7, #0b405d);
}

.article-index-feature-content {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 2rem 2.2rem 1.8rem 2.35rem;
}

.article-index-feature-kicker {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.55rem;
  color: var(--article-index-accent);
  font-size: 0.73rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.article-index-feature-kicker span {
  padding: 0.25rem 0.52rem;
  border-radius: 0.3rem;
  background: var(--ui-color-accent-100);
}

.article-index-feature-kicker a {
  color: var(--article-index-muted);
  text-decoration: none;
}

.article-index-feature-title-link {
  margin-top: 0.78rem;
  color: inherit;
  text-decoration: none;
}

.article-index-feature-title-link h2 {
  max-width: 830px;
  margin: 0;
  color: var(--article-index-ink);
  font-family: var(--ui-font-serif);
  font-size: clamp(1.55rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.026em;
  line-height: 1.34;
  transition: color var(--ui-transition);
}

.article-index-feature-title-link:hover h2,
.article-index-feature-title-link:focus-visible h2 {
  color: var(--article-index-accent);
}

.article-index-feature-content > p {
  max-width: 820px;
  margin: 0.75rem 0 0;
  color: var(--article-index-text);
  font-size: 0.94rem;
  line-height: 1.8;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}

.article-index-feature-footer {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-top: auto;
  padding-top: 1rem;
}

.article-index-feature-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.45rem 0.85rem;
  color: var(--article-index-muted);
  font-size: 0.76rem;
  font-weight: 700;
}

.article-index-feature-meta a {
  color: var(--article-index-accent);
  text-decoration: none;
}

.article-index-read-link {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  gap: 0.45rem;
  min-height: 2.55rem;
  border-radius: var(--ui-radius-pill);
  background: var(--ui-color-brand-900);
  color: #fff;
  padding: 0.55rem 1rem;
  font-size: 0.82rem;
  font-weight: 800;
  text-decoration: none;
  transition: background-color var(--ui-transition), transform var(--ui-transition);
}

.article-index-read-link:hover,
.article-index-read-link:focus-visible {
  background: var(--article-index-accent);
  color: #fff;
  text-decoration: none;
  transform: translateY(-1px);
}

.article-index-feature-mark {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 1.65rem;
  border-left: 1px solid rgba(15, 61, 78, 0.1);
  background:
    linear-gradient(rgba(0, 125, 155, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 125, 155, 0.05) 1px, transparent 1px),
    rgba(241, 248, 250, 0.72);
  background-size: 22px 22px;
}

.article-index-feature-mark span {
  color: var(--article-index-accent);
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  writing-mode: vertical-rl;
}

.article-index-feature-mark strong {
  margin-top: 0.75rem;
  color: var(--ui-color-brand-900);
  font-family: var(--ui-font-serif);
  font-size: 4.7rem;
  font-weight: 400;
  letter-spacing: -0.08em;
  line-height: 1;
}

.article-index-feature-mark i {
  width: 2.75rem;
  height: 3px;
  margin-top: 1rem;
  background: var(--article-index-accent);
}

.article-index-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 286px;
  align-items: start;
  gap: 1.25rem;
  margin-top: 1.25rem;
}

.article-index-main {
  display: grid;
  min-width: 0;
  gap: 1rem;
}

.article-index-feed {
  overflow: hidden;
  animation: article-index-rise 520ms 80ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.article-index-section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.45rem 1.55rem 1.15rem;
  border-bottom: 1px solid var(--article-index-line);
}

.article-index-section-head h2,
.article-index-side-head h2 {
  margin: 0.16rem 0 0;
  color: var(--article-index-ink);
  font-family: var(--ui-font-serif);
  font-weight: 700;
}

.article-index-section-head h2 {
  font-size: 1.45rem;
}

.article-index-section-head > p {
  margin: 0;
  color: var(--article-index-muted);
  font-size: 0.75rem;
  font-weight: 700;
}

.article-index-section-head > p span {
  margin: 0 0.25rem;
  color: var(--ui-color-subtle);
}

.article-index-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.article-index-entry {
  position: relative;
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr) 38px;
  gap: 1.15rem;
  padding: 1.4rem 1.45rem;
  transition: background-color var(--ui-transition);
}

.article-index-entry + .article-index-entry {
  border-top: 1px solid var(--article-index-line);
}

.article-index-entry::before {
  content: "";
  position: absolute;
  top: 18%;
  bottom: 18%;
  left: 0;
  width: 3px;
  background: var(--article-index-accent);
  transform: scaleY(0);
  transition: transform var(--ui-transition);
}

.article-index-entry:hover,
.article-index-entry:focus-within {
  background: #f8fbfc;
}

.article-index-entry:hover::before,
.article-index-entry:focus-within::before {
  transform: scaleY(1);
}

.article-index-entry-date {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding-top: 0.15rem;
  color: var(--article-index-muted);
}

.article-index-entry-date strong {
  color: var(--article-index-ink);
  font-family: var(--ui-font-serif);
  font-size: 1.45rem;
  line-height: 1;
}

.article-index-entry-date span {
  margin-top: 0.3rem;
  font-size: 0.67rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.article-index-entry-body {
  min-width: 0;
}

.article-index-entry-labels {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.35rem;
  min-height: 1.25rem;
}

.article-index-entry-labels a,
.article-index-entry-pin {
  color: var(--article-index-muted);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.045em;
  text-decoration: none;
  text-transform: uppercase;
}

.article-index-entry-labels a + a::before {
  content: "/";
  margin-right: 0.35rem;
  color: var(--ui-color-line-strong);
}

.article-index-entry-labels a:hover,
.article-index-entry-labels a:focus-visible {
  color: var(--article-index-accent);
}

.article-index-entry-pin {
  border-radius: 0.25rem;
  background: var(--ui-color-accent-100);
  color: var(--article-index-accent);
  padding: 0.13rem 0.36rem;
}

.article-index-entry-title {
  display: inline-block;
  margin-top: 0.38rem;
  color: inherit;
  text-decoration: none;
}

.article-index-entry-title h3 {
  margin: 0;
  color: var(--article-index-ink);
  font-family: var(--ui-font-serif);
  font-size: clamp(1.08rem, 2vw, 1.28rem);
  font-weight: 700;
  line-height: 1.45;
  transition: color var(--ui-transition);
}

.article-index-entry-title:hover h3,
.article-index-entry-title:focus-visible h3 {
  color: var(--article-index-accent);
}

.article-index-entry-body > p {
  margin: 0.48rem 0 0;
  color: var(--article-index-text);
  font-size: 0.86rem;
  line-height: 1.72;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}

.article-index-entry-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 0.62rem;
  color: var(--article-index-muted);
  font-size: 0.7rem;
  font-weight: 700;
}

.article-index-entry-open {
  align-self: center;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid var(--article-index-line);
  border-radius: 50%;
  color: var(--article-index-accent);
  font-size: 0.76rem;
  text-decoration: none;
  transition: border-color var(--ui-transition), color var(--ui-transition), background-color var(--ui-transition), transform var(--ui-transition);
}

.article-index-entry-open:hover,
.article-index-entry-open:focus-visible {
  border-color: var(--ui-color-brand-900);
  background: var(--ui-color-brand-900);
  color: #fff;
  transform: translateX(2px);
}

.article-index-aside {
  position: sticky;
  top: 84px;
  display: grid;
  gap: 1rem;
}

.article-index-side-card {
  padding: 1.15rem;
  animation: article-index-rise 480ms 150ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.article-index-side-card:nth-child(2) {
  animation-delay: 210ms;
}

.article-index-side-card:nth-child(3) {
  animation-delay: 270ms;
}

.article-index-side-head {
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--article-index-line);
}

.article-index-side-head h2 {
  font-size: 1.05rem;
}

.article-index-overview dl {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.55rem;
  margin: 0.9rem 0 0;
}

.article-index-overview dl > div {
  min-width: 0;
  border-radius: var(--ui-radius-sm);
  background: var(--ui-color-surface-soft);
  padding: 0.65rem;
}

.article-index-overview dl > div.is-wide {
  grid-column: 1 / -1;
}

.article-index-overview dt {
  color: var(--article-index-muted);
  font-size: 0.67rem;
  font-weight: 700;
}

.article-index-overview dd {
  margin: 0.2rem 0 0;
  overflow: hidden;
  color: var(--article-index-ink);
  font-family: var(--ui-font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.3;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.article-index-overview .is-wide dd {
  font-size: 0.86rem;
}

.article-index-clear {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.7rem;
  color: var(--article-index-accent);
  font-size: 0.75rem;
  font-weight: 800;
  text-decoration: none;
}

.article-index-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.85rem;
}

.article-index-tags .ui-chip.is-preview {
  border-style: dashed;
  color: var(--ui-color-subtle);
  cursor: default;
}

.article-index-recent {
  list-style: none;
  margin: 0;
  padding: 0;
}

.article-index-recent li {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 0.45rem;
  padding: 0.75rem 0;
}

.article-index-recent li + li {
  border-top: 1px dashed var(--article-index-line);
}

.article-index-recent li > span,
.article-index-recent time {
  color: var(--ui-color-subtle);
  font-size: 0.66rem;
  font-weight: 800;
}

.article-index-recent a {
  color: var(--article-index-text);
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1.5;
  text-decoration: none;
}

.article-index-recent a:hover,
.article-index-recent a:focus-visible {
  color: var(--article-index-accent);
}

.article-index-pagination {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 0.8rem;
}

.article-index-page-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.42rem;
  min-height: 2.8rem;
  border: 1px solid var(--article-index-line);
  border-radius: var(--ui-radius-md);
  background: #fff;
  color: var(--article-index-text);
  padding: 0.55rem 0.9rem;
  font-size: 0.8rem;
  font-weight: 800;
  text-decoration: none;
  transition: border-color var(--ui-transition), color var(--ui-transition), background-color var(--ui-transition);
}

.article-index-page-link:hover,
.article-index-page-link:focus-visible {
  border-color: rgba(0, 125, 155, 0.4);
  background: #f8fbfc;
  color: var(--article-index-accent);
}

.article-index-page-link.is-disabled {
  border-style: dashed;
  color: var(--ui-color-subtle);
  cursor: not-allowed;
  opacity: 0.72;
}

.article-index-pagination > :first-child {
  justify-self: start;
}

.article-index-pagination > :last-child {
  justify-self: end;
}

.article-index-page-status {
  display: inline-flex;
  align-items: baseline;
  gap: 0.28rem;
  color: var(--article-index-muted);
  font-size: 0.72rem;
}

.article-index-page-status strong {
  color: var(--article-index-ink);
  font-family: var(--ui-font-serif);
  font-size: 1.25rem;
}

.article-index-empty {
  padding: 3rem 1.5rem;
  text-align: center;
}

.article-index-empty h2 {
  margin: 0.35rem 0 0;
  color: var(--article-index-ink);
  font-family: var(--ui-font-serif);
}

.article-index-empty p {
  margin: 0.65rem auto 0;
  color: var(--article-index-muted);
  font-size: 0.9rem;
}

.article-index-empty a {
  display: inline-flex;
  margin-top: 1rem;
  color: var(--article-index-accent);
  font-size: 0.82rem;
  font-weight: 800;
  text-decoration: none;
}

@keyframes article-index-rise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 991.98px) {
  body.view-articles_list header.masthead.article-index-hero {
    min-height: 390px;
    padding: calc(5rem + 57px) 0 6.4rem;
  }

  .view-articles_list .article-index-shell {
    margin-top: -3.1rem;
  }

  .article-index-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .article-index-aside {
    position: static;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .article-index-aside .article-index-side-card:last-child:nth-child(odd) {
    grid-column: 1 / -1;
  }
}

@media (max-width: 767.98px) {
  body.view-articles_list header.masthead.article-index-hero {
    min-height: 360px;
    padding: calc(4.7rem + 57px) 0 5.4rem;
  }

  body.view-articles_list header.masthead.article-index-hero .post-heading h1.article-index-hero-title {
    font-size: 2.35rem;
  }

  .article-index-hero-meta {
    gap: 0.45rem;
  }

  .view-articles_list .article-index-shell {
    margin-top: -2.4rem;
  }

  .view-articles_list .article-index-filter {
    grid-template-columns: 1fr;
    gap: 0.7rem;
    padding: 0.85rem;
  }

  .article-index-filter-heading {
    display: flex;
    align-items: baseline;
    gap: 0.55rem;
    padding: 0 0 0.65rem;
    border-right: 0;
    border-bottom: 1px solid var(--article-index-line);
  }

  .article-index-filter-links {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 0.1rem;
    scrollbar-width: none;
  }

  .article-index-filter-links::-webkit-scrollbar {
    display: none;
  }

  .article-index-filter-links .ui-chip {
    flex-shrink: 0;
  }

  .article-index-feature-card {
    grid-template-columns: minmax(0, 1fr);
    min-height: 0;
  }

  .article-index-feature-content {
    padding: 1.4rem 1.25rem 1.3rem 1.45rem;
  }

  .article-index-feature-mark {
    display: none;
  }

  .article-index-feature-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .article-index-section-head {
    align-items: flex-start;
    flex-direction: column;
    padding: 1.2rem 1.1rem 0.95rem;
  }

  .article-index-entry {
    grid-template-columns: 54px minmax(0, 1fr);
    gap: 0.8rem;
    padding: 1.15rem 1rem;
  }

  .article-index-entry-open {
    display: none;
  }

  .article-index-entry-date strong {
    font-size: 1.2rem;
  }

  .article-index-aside {
    grid-template-columns: minmax(0, 1fr);
  }

  .article-index-aside .article-index-side-card:last-child:nth-child(odd) {
    grid-column: auto;
  }

  .article-index-pagination {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .article-index-page-status {
    grid-column: 1 / -1;
    grid-row: 1;
    justify-self: center;
  }

  .article-index-pagination > :first-child,
  .article-index-pagination > :last-child {
    justify-self: stretch;
  }
}

@media (max-width: 479.98px) {
  .article-index-entry {
    grid-template-columns: minmax(0, 1fr);
  }

  .article-index-entry-date {
    flex-direction: row;
    align-items: baseline;
    gap: 0.35rem;
  }

  .article-index-entry-date strong {
    font-size: 0.78rem;
  }

  .article-index-entry-date span {
    margin: 0;
  }

  .article-index-page-link {
    padding-inline: 0.55rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .article-index-feature-card,
  .article-index-feed,
  .article-index-side-card {
    animation: none;
  }

  .article-index-entry,
  .article-index-entry::before,
  .article-index-entry-open,
  .article-index-read-link,
  .view-articles_list .ui-chip {
    transition: none;
  }
}