header img.portrait {
  display: block;
  width: 270px;
  max-width: 100%;
  height: auto;
  margin: 0 0 22px;
  border-radius: 3px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.07);
}

ul.news-list {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
}

ul.news-list li {
  display: flex;
  gap: 16px;
  margin: 0 0 16px;
  line-height: 1.5;
}

ul.news-list .news-date {
  flex: 0 0 130px;
  color: #A04030;
  font-weight: 700;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding-top: 2px;
}

ul.news-list .news-group {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

ul.news-list .news-body {
  display: block;
}

.paper-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0 0 26px;
}

.paper-filter .filter-label {
  color: var(--muted);
  margin-right: 6px;
  font-size: 14px;
  font-style: italic;
}

.filter-chip {
  min-height: 38px;
  border: 1px solid #918783;
  background: transparent;
  color: var(--muted);
  padding: 6px 14px;
  border-radius: 999px;
  font-family: inherit;
  font-size: 14px;
  line-height: 1.2;
  cursor: pointer;
  touch-action: manipulation;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.filter-chip:hover {
  border-color: #A04030;
  color: #A04030;
}

.filter-chip.active {
  background: #A04030;
  border-color: #A04030;
  color: #fff;
}

.research-work {
  margin-bottom: 34px;
  padding-left: 12px;
  border-left: 2px solid transparent;
  transition: border-color 0.2s ease;
}

.research-work:hover {
  border-left-color: #A04030;
}

.research-work h3 {
  margin: 0 0 3px;
  line-height: 1.3;
}

.paper-status {
  display: inline-block;
  margin: 0 8px 2px 0;
  padding: 2px 7px 1px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  vertical-align: 0.15em;
  white-space: nowrap;
}

.paper-status-new {
  color: #fff;
  background: var(--burgundy);
  border-color: var(--burgundy);
}

.paper-status-preliminary {
  color: var(--burgundy-dark);
  background: var(--burgundy-tint);
  border-color: #d8b7b0;
}

.research-work p {
  margin: 0 0 3px;
}

.research-work .work-muted {
  color: var(--muted);
  font-size: 16px;
}

.research-work .work-abstract {
  margin: 4px 0 3px;
}

a.abstract-link {
  color: #6F2C20;
  font-size: 16px;
  font-weight: 600;
  font-style: italic;
  border-bottom: none;
}

a.abstract-link:hover,
a.abstract-link:focus {
  color: #4A1C14;
  border-bottom: none;
}

a.abstract-link span {
  display: inline;
}

.research-work .abstract-body {
  color: #4a4a4a;
  display: block;
  margin-top: 8px;
  padding: 12px 16px;
  background: #f3efe9;
  border-left: 3px solid #A04030;
  border-radius: 0 3px 3px 0;
  font-size: 16px;
  line-height: 1.55;
}

@media screen and (max-width: 1160px) {
  header::after {
    content: "";
    display: table;
    clear: both;
  }

  header img.portrait {
    float: right;
    width: 200px;
    margin: 0 0 24px 32px;
  }
}

@media screen and (max-width: 720px) {
  header img.portrait {
    float: none;
    width: min(46vw, 170px);
    margin: 0 0 20px;
  }

  ul.news-list li {
    display: block;
    margin-bottom: 20px;
  }

  ul.news-list .news-date {
    display: block;
    margin-bottom: 4px;
    padding-top: 0;
  }

  .paper-filter {
    gap: 8px;
  }

  .paper-filter .filter-label {
    flex: 0 0 100%;
    margin: 0 0 2px;
  }

  .filter-chip {
    min-height: 44px;
    padding: 8px 15px;
  }

  a.abstract-link {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
  }

  .research-work {
    padding-left: 8px;
  }
}