.research-list-page {
  --research-container: 1720px;
  --research-gutter: clamp(48px, 6vw, 120px);
  --research-half-gutter: clamp(24px, 3vw, 60px);
  background:
    radial-gradient(circle at 8% 0%, rgba(222, 239, 255, 0.9) 0, rgba(222, 239, 255, 0) 34%),
    linear-gradient(180deg, #f8fbff 0%, #f9fcff 34%, #fbfdff 58%, #f7fbff 100%);
}

.research-list-page main .container,
.research-list-page .site-footer .container {
  width: min(100% - var(--research-gutter), var(--research-container));
}

.research-list-page .site-header {
  position: sticky;
  top: 0;
  z-index: 80;
}

.research-list-page .site-header .nav-shell {
  width: calc(100% - clamp(32px, 3.4vw, 56px));
  max-width: none;
  min-height: 82px;
  gap: clamp(24px, 3vw, 52px);
}

.research-list-page .brand img {
  width: 150px;
}

.research-list-page .primary-nav {
  gap: clamp(26px, 2.5vw, 46px);
  color: #27354a;
  font-size: 15px;
  font-weight: 500;
}

.research-list-page .round-action {
  width: 40px;
  height: 40px;
}

.research-hero {
  position: relative;
  overflow: hidden;
  min-height: 340px;
  background:
    linear-gradient(90deg, rgba(247, 251, 255, 0.98) 0%, rgba(247, 251, 255, 0.9) 45%, rgba(236, 247, 255, 0.24) 100%);
}

.research-hero::after {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 104px;
  background: linear-gradient(180deg, rgba(247, 251, 255, 0), rgba(249, 252, 255, 0.94));
  content: "";
}

.research-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(520px, 1.18fr);
  min-height: 340px;
}

@media (min-width: 981px) {
  .research-hero,
  .research-hero-grid,
  .research-hero-visual {
    height: 420px;
    min-height: 420px;
  }

  .research-list-page main .research-hero-grid {
    width: calc(100% - max(var(--research-half-gutter), calc(50% - 860px)));
    max-width: none;
    margin-right: 0;
    margin-left: auto;
  }

  .research-hero-visual img {
    position: absolute;
    inset: 0;
    min-height: 0;
  }
}

.research-hero-copy {
  padding: 52px 0 74px;
}

.research-hero h1 {
  margin: 0 0 10px;
  color: #123469;
  font-size: 42px;
  line-height: 1.16;
  font-weight: 800;
}

.hero-subtitle {
  margin: 0 0 14px;
  color: #17233d;
  font-size: 25px;
  line-height: 1.35;
  font-weight: 800;
}

.hero-text {
  margin: 0 0 24px;
  color: #51637c;
  font-size: 14px;
}

.research-values {
  display: grid;
  grid-template-columns: repeat(4, minmax(76px, 1fr));
  max-width: 520px;
  gap: 22px;
}

.research-values article {
  display: grid;
  justify-items: center;
  gap: 4px;
  color: #657792;
  text-align: center;
  font-size: 11px;
}

.research-values img {
  width: 30px;
  height: 30px;
  margin-bottom: 4px;
  filter: brightness(0) saturate(100%) invert(45%) sepia(88%) saturate(1996%) hue-rotate(198deg) brightness(96%) contrast(94%);
}

.research-values strong {
  color: #1c3151;
  font-size: 13px;
}

.research-hero-visual {
  position: relative;
  min-height: 340px;
}

.research-hero-visual::before {
  position: absolute;
  inset: 0 auto 0 -1px;
  z-index: 1;
  width: 36%;
  background: linear-gradient(90deg, #f7fbff 0%, rgba(247, 251, 255, 0.86) 48%, rgba(247, 251, 255, 0) 100%);
  content: "";
}

.research-hero-visual img {
  width: 100%;
  height: 100%;
  min-height: 340px;
  object-fit: cover;
  object-position: center;
}

.research-toolbar {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px 132px;
  gap: 18px;
  align-items: center;
  min-height: 78px;
  margin-top: -36px;
  padding: 0 26px;
  border: 1px solid #e3edf8;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.97);
  box-shadow: var(--shadow-md);
}

.tab-list {
  display: flex;
  gap: 42px;
  align-items: center;
  min-width: 0;
  white-space: nowrap;
}

.tab-list a {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  color: #405575;
  font-size: 14px;
  font-weight: 700;
}

.tab-list a:hover,
.tab-list a.is-active {
  color: var(--primary-dark);
}

.tab-list a.is-active::after {
  position: absolute;
  right: 4px;
  bottom: 6px;
  left: 4px;
  height: 3px;
  border-radius: 999px;
  background: var(--primary);
  content: "";
}

.research-search {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 38px;
  align-items: center;
  height: 42px;
  border: 1px solid #e5edf7;
  border-radius: 8px;
  background: #fff;
}

.research-search input {
  min-width: 0;
  height: 40px;
  padding: 0 14px;
  border: 0;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 12px;
}

.research-search input::placeholder {
  color: #a7b4c4;
}

.research-search button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 0;
  background: transparent;
  color: #6e8199;
}

.research-search .icon {
  width: 18px;
  height: 18px;
}

.publish-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  border-radius: 999px;
  background: linear-gradient(135deg, #3b94ff, #1f73e8);
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  box-shadow: 0 12px 24px rgba(47, 128, 237, 0.22);
}

.publish-button .icon {
  width: 16px;
  height: 16px;
}

.article-list-section {
  padding: 28px 0 16px;
}

.article-list {
  overflow: hidden;
  border: 1px solid #e7f0fb;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow-sm);
}

.research-item {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr) 116px;
  gap: 36px;
  align-items: center;
  min-height: 172px;
  padding: 18px 32px 18px 24px;
}

.research-item + .research-item {
  border-top: 1px solid #edf3fb;
}

.item-cover {
  display: block;
  overflow: hidden;
  border-radius: 8px;
}

.item-cover img {
  width: 100%;
  aspect-ratio: 1.72 / 1;
  object-fit: cover;
  transition: transform 220ms ease;
}

.research-item:hover .item-cover img {
  transform: scale(1.025);
}

.item-body {
  min-width: 0;
}

.article-tag {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
}

.article-tag.green {
  background: #e1f8ed;
  color: #187654;
}

.article-tag.blue {
  background: #e8f2ff;
  color: #1f67be;
}

.article-tag.yellow {
  background: #fff5d8;
  color: #a06b12;
}

.article-tag.purple {
  background: #f0e9ff;
  color: #7150c8;
}

.item-body h3 {
  margin: 8px 0 6px;
  color: #16233a;
  font-size: 19px;
  line-height: 1.35;
  font-weight: 800;
}

.item-body h3 a:hover {
  color: var(--primary-dark);
}

.item-body p {
  max-width: 900px;
  margin: 0 0 12px;
  color: #5e7088;
  font-size: 13px;
  line-height: 1.55;
}

.item-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  align-items: center;
  color: #8a9ab0;
  font-size: 12px;
}

.item-meta span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.item-meta span:nth-child(2)::before {
  width: 14px;
  height: 14px;
  border: 1px solid currentColor;
  border-radius: 50%;
  content: "";
}

.item-meta span:nth-child(3)::before {
  width: 15px;
  height: 10px;
  border: 1px solid currentColor;
  border-radius: 50%;
  content: "";
}

.item-meta span:nth-child(4)::before {
  width: 13px;
  height: 13px;
  border: 1px solid currentColor;
  border-radius: 4px;
  content: "";
}

.item-meta img {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  object-fit: cover;
}

.read-link {
  justify-self: end;
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
}

.read-link:hover {
  color: var(--primary);
}

.pagination {
  display: flex;
  justify-content: center;
  gap: 10px;
  align-items: center;
  margin: 24px 0 0;
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 32px;
  border: 1px solid #e1ebf6;
  border-radius: 6px;
  background: #fff;
  color: #4a5f78;
  font-size: 13px;
}

.pagination a.is-active {
  border-color: var(--primary);
  background: var(--primary);
  color: #fff;
}

.pagination a.is-disabled {
  color: #b8c4d2;
  pointer-events: none;
}

.pagination span {
  border-color: transparent;
  background: transparent;
}

.research-cta {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 186px;
  margin-bottom: 24px;
  padding: 38px 56px;
  overflow: hidden;
  border-radius: 10px;
  background: #eaf6ff;
  isolation: isolate;
}

.research-cta::before {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    90deg,
    rgba(231, 245, 255, 0.98) 0%,
    rgba(231, 245, 255, 0.95) 34%,
    rgba(231, 245, 255, 0.72) 46%,
    rgba(231, 245, 255, 0.12) 62%,
    rgba(231, 245, 255, 0) 100%
  );
  content: "";
}

.research-cta > div {
  position: relative;
  z-index: 2;
  max-width: 560px;
  padding: 0;
}

.research-cta h2 {
  margin: 0 0 8px;
  color: #236fd7;
  font-size: 32px;
  line-height: 1.25;
  font-weight: 800;
}

.research-cta p {
  margin: 0 0 22px;
  color: #61728a;
  font-size: 15px;
}

.research-cta .primary-button {
  min-height: 42px;
  padding: 0 30px;
  font-size: 13px;
}

.research-cta > img {
  position: absolute;
  top: 50%;
  right: 0;
  z-index: 0;
  width: auto;
  height: 130%;
  object-fit: contain;
  object-position: 100% 50%;
  transform: translateY(-50%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, rgba(0, 0, 0, 0.58) 24%, #000 48%);
  mask-image: linear-gradient(90deg, transparent 0%, rgba(0, 0, 0, 0.58) 24%, #000 48%);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 860px) {
  .research-toolbar {
    grid-template-columns: 1fr;
    padding: 16px 20px;
  }

  .tab-list {
    gap: 24px;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .tab-list::-webkit-scrollbar {
    display: none;
  }

  .research-search,
  .publish-button {
    width: 100%;
    min-width: 0;
  }
}

@media (max-width: 980px) {
  .research-hero-grid {
    grid-template-columns: 1fr;
  }

  .research-hero-copy {
    padding: 42px 0 72px;
  }

  .research-hero-visual {
    display: none;
  }

  .research-item {
    grid-template-columns: 180px minmax(0, 1fr);
    gap: 20px;
  }

  .read-link {
    grid-column: 2;
    justify-self: start;
  }

  .research-cta {
    min-height: 170px;
    padding: 30px 36px;
  }

}

@media (min-width: 761px) and (max-width: 980px) {
  .research-list-page .site-header .nav-shell {
    flex-wrap: nowrap;
    gap: 22px;
    min-height: 70px;
    padding: 0;
  }

  .research-list-page .brand img {
    width: 118px;
  }

  .research-list-page .primary-nav {
    order: initial;
    justify-content: center;
    width: auto;
    gap: 24px;
    overflow: visible;
    font-size: 15px;
  }

  .research-list-page .round-action {
    margin-left: 0;
  }
}

@media (max-width: 760px) {
  .research-list-page {
    --research-gutter: 28px;
  }

  .research-list-page .site-header .nav-shell {
    min-height: 70px;
  }

  .research-list-page .brand img {
    width: 118px;
  }

  .research-list-page .primary-nav {
    gap: 18px;
    overflow-x: auto;
    font-size: 15px;
    scrollbar-width: none;
  }

  .research-list-page .primary-nav::-webkit-scrollbar {
    display: none;
  }
}

@media (max-width: 640px) {
  .research-hero {
    min-height: auto;
  }

  .research-hero-grid {
    min-height: auto;
  }

  .research-hero-copy {
    padding: 34px 0 64px;
  }

  .research-hero h1 {
    font-size: 34px;
  }

  .hero-subtitle {
    font-size: 21px;
  }

  .research-values {
    grid-template-columns: 1fr;
    width: calc(100vw - 28px);
    max-width: calc(100vw - 28px);
    gap: 18px 12px;
  }

  .research-values article {
    min-width: 0;
  }

  .research-toolbar {
    margin-top: -28px;
    width: calc(100vw - 28px);
    max-width: calc(100vw - 28px);
  }

  .research-item {
    grid-template-columns: 1fr;
    padding: 18px;
  }

  .item-body h3 {
    font-size: 18px;
  }

  .read-link {
    grid-column: auto;
  }

  .research-cta div {
    max-width: 260px;
  }

  .research-cta h2 {
    font-size: 24px;
  }

  .research-cta {
    min-height: 188px;
    padding: 28px 22px;
  }

  .research-cta > img {
    object-position: 100% 50%;
  }
}
