.bb-single-main {
  padding: 34px 0 0;
  background:
    radial-gradient(circle at 12% 5%, rgba(24, 199, 230, .08), transparent 25%),
    linear-gradient(180deg, #f2fbfe 0%, #f8fdff 100%);
}
.bb-single-shell {
  width: min(var(--bb-shell), calc(100% - 40px));
  margin-inline: auto;
}
.bb-breadcrumb {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 18px;
  color: #6a8797;
  font-size: .76rem;
  font-weight: 720;
}
.bb-breadcrumb a { color: #527384; text-decoration: none; }
.bb-breadcrumb a:hover { color: var(--bb-cyan-strong); }
.bb-single-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  align-items: start;
  gap: 30px;
}
.bb-article-card {
  min-width: 0;
  overflow: hidden;
  background: #fff;
  border: 1px solid #d4edf3;
  border-radius: 26px;
  box-shadow: 0 22px 58px rgba(0, 70, 96, .10);
}
.bb-article-card::before {
  display: block;
  height: 6px;
  background: linear-gradient(90deg, #08b8dc, #63e1f1 55%, #08b8dc);
  content: '';
}
.bb-article-header { padding: 38px 42px 30px; }
.bb-article-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 15px;
  color: #6b8795;
  font-size: .72rem;
  font-weight: 880;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.bb-article-eyebrow a,
.bb-article-eyebrow span:first-child {
  display: inline-flex;
  align-items: center;
  min-height: 29px;
  padding: 0 10px;
  color: #00384f;
  background: #24cbe8;
  border-radius: 9px;
  text-decoration: none;
}
.bb-article-eyebrow time::before { margin-right: 10px; color: #8ca4ae; content: '•'; }
.bb-article-header h1 {
  max-width: 900px;
  margin: 0;
  color: var(--bb-navy-deep);
  font-size: clamp(2.35rem, 4.5vw, 4.05rem);
  font-weight: 920;
  letter-spacing: -.055em;
  line-height: 1.02;
}
.bb-byline {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
  color: #5f7b8a;
  font-size: .82rem;
  font-weight: 650;
}
.bb-byline__avatar {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  color: #fff;
  background: linear-gradient(135deg, #003c56, #08b5d8);
  border-radius: 50%;
  font-size: .75rem;
  font-weight: 900;
  box-shadow: 0 5px 14px rgba(0, 82, 108, .17);
}
.bb-byline__sep { color: #9db0b8; }
.bb-article-chapo {
  margin: 28px 0 0;
  padding: 18px 20px;
  color: #06364d;
  background: linear-gradient(105deg, #ecfbfe, #f6fdff);
  border-left: 5px solid var(--bb-cyan-strong);
  border-radius: 0 15px 15px 0;
  font-size: 1.08rem;
  font-weight: 760;
  line-height: 1.58;
}
.bb-article-figure {
  position: relative;
  margin: 0 28px;
  overflow: hidden;
  background: #dff6fb;
  border: 1px solid #c6e9f0;
  border-radius: 20px;
  box-shadow: 0 16px 36px rgba(0, 66, 92, .10);
}
.bb-article-figure img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.bb-article-figure figcaption {
  padding: 9px 13px;
  color: #67808d;
  background: #f7fdff;
  font-size: .72rem;
  line-height: 1.45;
}

.bb-article-inner { padding: 28px 42px 42px; }
.bb-share-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 9px;
  margin-bottom: 30px;
  padding: 13px;
  background: #f0fbfd;
  border: 1px solid #d1edf3;
  border-radius: 16px;
}
.bb-share-bar--bottom { margin: 30px 0 0; }
.bb-share-label {
  margin-right: 3px;
  color: #466978;
  font-size: .73rem;
  font-weight: 850;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.bb-share-button {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 40px;
  padding: 0 12px;
  color: #06374e;
  background: #fff;
  border: 1px solid #cde8ef;
  border-radius: 11px;
  font-size: .76rem;
  font-weight: 800;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 6px 15px rgba(0, 62, 86, .05);
  transition: transform .18s ease, border-color .18s ease, color .18s ease, box-shadow .18s ease;
}
.bb-share-button:hover {
  color: #007fa2;
  border-color: #6bddec;
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(0, 62, 86, .09);
}
.bb-share-button svg { width: 17px; height: 17px; fill: currentColor; }
.bb-share-button.is-copied { color: #087f5b; border-color: #79d6b6; background: #ecfff7; }
.bb-article-content {
  color: #113e53;
  font-size: 1.06rem;
  line-height: 1.78;
}
.bb-article-content > *:first-child { margin-top: 0; }
.bb-article-content > *:last-child { margin-bottom: 0; }
.bb-article-content p { margin: 0 0 1.35em; }
.bb-article-content a { color: #008fb4; font-weight: 720; }
.bb-article-content strong { color: #082f45; }
.bb-article-content h2,
.bb-article-content h3 {
  color: var(--bb-navy-deep);
  letter-spacing: -.035em;
  line-height: 1.15;
}
.bb-article-content img { height: auto; border-radius: 14px; }
.bb-source-box {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 14px;
  margin-top: 28px;
  padding: 20px;
  background: #f5fcfe;
  border: 1px solid #cceaf1;
  border-radius: 17px;
}
.bb-source-box__icon {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  color: #fff;
  background: linear-gradient(135deg, #005978, #15c3df);
  border-radius: 50%;
  font-family: Georgia, serif;
  font-size: 1rem;
  font-style: italic;
  font-weight: 700;
}
.bb-source-box h2 { margin: 0 0 7px; color: #06364d; font-size: .9rem; letter-spacing: -.01em; }
.bb-source-box ul { margin: 0; padding-left: 18px; color: #4c6e7d; font-size: .82rem; line-height: 1.55; }
.bb-source-box a { display: inline-block; margin-top: 9px; color: #008fb4; font-size: .78rem; font-weight: 800; text-decoration: none; }
.bb-single-sidebar {
  position: sticky;
  top: 112px;
  display: grid;
  gap: 18px;
}
.admin-bar .bb-single-sidebar { top: 144px; }
.bb-sidebar-card,
.bb-watch-card {
  background: #fff;
  border: 1px solid #d0eaf1;
  border-radius: 21px;
  box-shadow: 0 16px 38px rgba(0, 66, 92, .08);
}
.bb-sidebar-card { padding: 22px; }
.bb-sidebar-kicker {
  margin: 0 0 5px;
  color: #00a4c9;
  font-size: .65rem;
  font-weight: 900;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.bb-sidebar-card header h2 { margin: 0 0 17px; color: var(--bb-navy-deep); font-size: 1.55rem; letter-spacing: -.045em; }
.bb-sidebar-list { display: grid; gap: 14px; }
.bb-sidebar-list article {
  display: grid;
  grid-template-columns: 86px minmax(0, 1fr);
  align-items: center;
  gap: 12px;
  padding-top: 14px;
  border-top: 1px solid #e1f0f4;
}
.bb-sidebar-list article:first-child { padding-top: 0; border-top: 0; }
.bb-sidebar-thumb {
  display: block;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: #daf3f8;
  border-radius: 11px;
}
.bb-sidebar-thumb img,
.bb-sidebar-thumb .bb-media-fallback { width: 100%; height: 100%; object-fit: cover; }
.bb-sidebar-list p { margin: 0 0 4px; color: #6e8794; font-size: .61rem; font-weight: 800; text-transform: uppercase; }
.bb-sidebar-list p time { color: #00a1c8; }
.bb-sidebar-list h3 { margin: 0; font-size: .86rem; letter-spacing: -.018em; line-height: 1.26; }
.bb-sidebar-list h3 a { color: #07354b; text-decoration: none; }
.bb-sidebar-list h3 a:hover { color: #00a3c9; }
.bb-sidebar-all {
  display: inline-flex;
  margin-top: 18px;
  padding: 10px 12px;
  color: #006d8d;
  background: #eafbfe;
  border-radius: 10px;
  font-size: .74rem;
  font-weight: 850;
  text-decoration: none;
}
.bb-watch-card {
  display: flex;
  flex-direction: column;
  padding: 23px;
  color: #fff;
  background: linear-gradient(135deg, #00344f 0%, #087b98 58%, #16c5df 100%);
  text-decoration: none;
  box-shadow: 0 16px 38px rgba(0, 66, 92, .13);
}
.bb-watch-card span { color: #82eff9; font-size: .67rem; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.bb-watch-card strong { margin: 16px 0 18px; font-size: 1.16rem; line-height: 1.25; }
.bb-watch-card b { font-size: .76rem; }
.bb-related { margin-top: 44px; padding-bottom: 16px; }
.bb-related__header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 20px;
}
.bb-related__header p { margin: 0 0 4px; color: #00a3c9; font-size: .68rem; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.bb-related__header h2 { margin: 0; color: var(--bb-navy-deep); font-size: clamp(1.9rem, 3vw, 2.6rem); letter-spacing: -.05em; }
.bb-related__header > a { color: #008db1; font-size: .76rem; font-weight: 850; text-decoration: none; }
.bb-related-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.bb-related-card {
  overflow: hidden;
  background: #fff;
  border: 1px solid #d0eaf1;
  border-radius: 19px;
  box-shadow: 0 13px 30px rgba(0, 66, 92, .07);
  transition: transform .2s ease, box-shadow .2s ease;
}
.bb-related-card:hover { transform: translateY(-4px); box-shadow: 0 18px 36px rgba(0, 66, 92, .12); }
.bb-related-card__media { display: block; overflow: hidden; aspect-ratio: 16 / 9; background: #dcf5f9; }
.bb-related-card__media img,
.bb-related-card__media .bb-media-fallback { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.bb-related-card:hover .bb-related-card__media img { transform: scale(1.035); }
.bb-related-card__body { padding: 16px 17px 19px; }
.bb-related-card__body p { display: flex; align-items: center; gap: 8px; margin: 0 0 9px; color: #718894; font-size: .62rem; font-weight: 850; text-transform: uppercase; }
.bb-related-card__body p span { color: #00a5ca; }
.bb-related-card__body time::before { margin-right: 8px; content: '•'; }
.bb-related-card h3 { margin: 0; font-size: 1.05rem; line-height: 1.22; letter-spacing: -.025em; }
.bb-related-card h3 a { color: var(--bb-navy-deep); text-decoration: none; }
.bb-related-card h3 a:hover { color: #00a0c5; }

@media (max-width: 1040px) {
  .bb-single-grid { grid-template-columns: minmax(0, 1fr) 300px; gap: 22px; }
  .bb-article-header { padding: 34px 34px 27px; }
  .bb-article-inner { padding: 26px 34px 36px; }
  .bb-article-figure { margin-inline: 22px; }
}

@media (max-width: 880px) {
  .bb-single-main { padding-top: 22px; }
  .bb-single-shell { width: min(100% - 24px, var(--bb-shell)); }
  .bb-single-grid { grid-template-columns: 1fr; }
  .bb-single-sidebar { position: static; grid-template-columns: 1fr 1fr; }
  .bb-related-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  .bb-single-main { padding-top: 14px; }
  .bb-breadcrumb { margin-bottom: 12px; font-size: .69rem; }
  .bb-article-card { border-radius: 20px; }
  .bb-article-header { padding: 26px 20px 22px; }
  .bb-article-header h1 { font-size: clamp(2rem, 10vw, 2.75rem); line-height: 1.03; }
  .bb-byline { gap: 6px; font-size: .73rem; }
  .bb-byline__avatar { width: 27px; height: 27px; }
  .bb-byline__sep { display: none; }
  .bb-article-chapo { margin-top: 22px; padding: 15px 15px; font-size: .98rem; line-height: 1.55; }
  .bb-article-figure { margin: 0 12px; border-radius: 15px; }
  .bb-article-inner { padding: 22px 20px 28px; }
  .bb-article-content { font-size: 1rem; line-height: 1.72; }
  .bb-share-bar { gap: 7px; margin-bottom: 24px; padding: 10px; }
  .bb-share-label { width: 100%; margin: 0 0 2px; }
  .bb-share-button { width: 43px; min-height: 43px; justify-content: center; padding: 0; border-radius: 11px; }
  .bb-share-button .bb-share-text { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); }
  .bb-source-box { grid-template-columns: 32px minmax(0, 1fr); padding: 16px; }
  .bb-source-box__icon { width: 30px; height: 30px; }
  .bb-single-sidebar { grid-template-columns: 1fr; }
  .bb-sidebar-card { padding: 19px; }
  .bb-related { margin-top: 34px; }
  .bb-related-grid { grid-template-columns: 1fr; }
  .bb-related__header { align-items: flex-start; }
  .bb-related__header h2 { font-size: 2rem; }
}