#yk-portal-v2 .ttl-panel {
  margin: 24px 0 0;
  padding: 22px 24px;
  border: 1px solid #dbe6f2;
  border-radius: 16px;
  background: linear-gradient(135deg, #f4f8fd, #fff 70%);
}
#yk-portal-v2 .ttl-topic-tags { margin-bottom: 26px; }
#yk-portal-v2 .ttl-tag-topics { scroll-margin-top: 96px; }
#yk-portal-v2 .ttl-heading {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 16px;
}
#yk-portal-v2 .ttl-symbol {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  flex: 0 0 40px;
  border-radius: 11px;
  background: #e6effa;
  color: #27588c;
}
#yk-portal-v2 .ttl-symbol svg { width: 19px; height: 19px; }
#yk-portal-v2 .ttl-heading h2 {
  margin: 0;
  color: #17354f;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
}
#yk-portal-v2 .ttl-heading p {
  margin: 3px 0 0;
  color: #556d85;
  font-size: 13px;
  line-height: 1.6;
}
#yk-portal-v2 .ttl-tags,
#yk-portal-v2 .ttl-topic-list {
  margin: 0;
  padding: 0;
  list-style: none;
}
#yk-portal-v2 .ttl-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
#yk-portal-v2 .ttl-tags a,
#yk-portal-v2 .ttl-jump {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 36px;
  padding: 5px 11px;
  border: 1px solid #d8e5f3;
  border-radius: 999px;
  background: #fff;
  color: #224f80;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.4;
  text-decoration: none;
}
#yk-portal-v2 .ttl-tags svg,
#yk-portal-v2 .ttl-jump svg { width: 14px; height: 14px; flex: 0 0 14px; }
#yk-portal-v2 .ttl-jump { margin-top: 9px; min-height: 30px; }
#yk-portal-v2 .ttl-jump span { color: #426c98; font-size: 12px; }
#yk-portal-v2 .ttl-topic-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}
#yk-portal-v2 .ttl-topic-card {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) 15px;
  gap: 10px;
  align-items: center;
  min-height: 74px;
  padding: 9px;
  border: 1px solid #dce7f2;
  border-radius: 12px;
  background: #fff;
  color: #17354f;
  text-decoration: none;
}
#yk-portal-v2 .ttl-topic-cover {
  display: grid;
  place-items: center;
  width: 64px;
  height: 54px;
  overflow: hidden;
  border-radius: 8px;
  background: #183c54;
  color: #d4e8f4;
}
#yk-portal-v2 .ttl-topic-cover img { display: block; width: 100%; height: 100%; object-fit: cover; }
#yk-portal-v2 .ttl-topic-cover svg { width: 22px; height: 22px; }
#yk-portal-v2 .ttl-topic-copy { min-width: 0; overflow-wrap: anywhere; }
#yk-portal-v2 .ttl-topic-copy strong { display: block; font-size: 13px; line-height: 1.45; }
#yk-portal-v2 .ttl-topic-copy small {
  display: block;
  margin-top: 3px;
  overflow: hidden;
  color: #556d85;
  font-size: 12px;
  line-height: 1.5;
  white-space: nowrap;
  text-overflow: ellipsis;
}
#yk-portal-v2 .ttl-topic-arrow { color: #476e97; }
#yk-portal-v2 .ttl-topic-arrow svg { display: block; width: 15px; height: 15px; }
#yk-portal-v2 .ttl-more { margin-top: 10px; }
#yk-portal-v2 .ttl-more summary { padding: 8px 0; color: #224f80; font-size: 13px; cursor: pointer; }
#yk-portal-v2 .ttl-tags a:hover,
#yk-portal-v2 .ttl-jump:hover,
#yk-portal-v2 .ttl-topic-card:hover { border-color: #8fb1d6; background: #f2f7fd; color: #173f6d; }
#yk-portal-v2 .ttl-panel :is(a,summary):focus-visible,
#yk-portal-v2 .ttl-jump:focus-visible { outline: 2px solid #356d9e; outline-offset: 2px; }
@media (max-width: 820px) {
  #yk-portal-v2 .ttl-panel { padding: 17px 14px; border-radius: 13px; }
  #yk-portal-v2 .ttl-topic-list { grid-template-columns: 1fr; }
  #yk-portal-v2 .ttl-heading h2 { font-size: 18px; }
}