.briefing-section {
  background: #fff;
}

.briefing-schedule {
  display: grid;
  gap: 4px;
  min-width: 290px;
  padding: 14px 18px;
  border-left: 3px solid var(--blue);
  background: var(--pale);
}

.briefing-schedule strong {
  color: var(--blue);
  font-size: .92rem;
}

.briefing-schedule span {
  color: var(--muted);
  font-size: .9rem;
}

.briefing-series {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.series-card {
  min-height: 230px;
  padding: 30px;
  color: #fff;
  background: var(--navy);
  border-top: 4px solid var(--mint);
}

.series-card:nth-child(2) {
  background: #eaf2f8;
  color: var(--ink);
  border-color: var(--blue);
}

.series-number {
  display: block;
  margin-bottom: 38px;
  color: var(--mint);
  font-size: .82rem;
  font-weight: 800;
  letter-spacing: .12em;
}

.series-card:nth-child(2) .series-number {
  color: var(--blue);
}

.series-card h3 {
  font-size: 1.5rem;
}

.series-card p {
  max-width: 520px;
  margin-top: 12px;
  color: #c8d6e2;
  font-size: .97rem;
}

.series-card:nth-child(2) p {
  color: var(--muted);
}

.briefing-list-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 25px;
  margin: 48px 0 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--ink);
}

.briefing-list-heading p,
.briefing-list-heading > span {
  color: var(--muted);
  font-size: .9rem;
}

.briefing-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.briefing-card {
  padding: 28px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--blue);
}

.briefing-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  margin-bottom: 16px;
}

.briefing-meta .tag {
  margin: 0;
}

.briefing-card > p {
  margin-top: 12px;
  color: var(--muted);
  font-size: .96rem;
}

.source-count {
  display: block;
  margin-top: 22px;
  color: var(--blue);
  font-size: .82rem;
  font-weight: 700;
}

.activity-divider {
  display: flex;
  align-items: center;
  gap: 18px;
  margin: 58px 0 10px;
  color: var(--muted);
  font-size: .9rem;
  font-weight: 700;
}

.activity-divider::after {
  content: "";
  height: 1px;
  flex: 1;
  background: var(--line);
}

@media (max-width: 760px) {
  .briefing-schedule {
    min-width: 0;
    margin-top: 20px;
  }

  .briefing-series,
  .briefing-list {
    grid-template-columns: 1fr;
  }

  .series-card {
    min-height: 210px;
    padding: 25px;
  }

  .briefing-list-heading {
    display: block;
  }

  .briefing-list-heading > span {
    display: block;
    margin-top: 8px;
  }
}