.sd-article {
  margin: 16px 0 0;
  padding: clamp(20px, 5vw, 26px) clamp(20px, 5vw, 28px);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow-card);
  font-family: var(--serif);
  font-size: clamp(15px, 4vw, 17px);
  line-height: 1.55;
  color: var(--fg);
}
.sd-article h3 {
  margin: 0 0 10px;
  font-family: var(--sans);
  font-size: clamp(20px, 5vw, 24px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--fg);
}
.sd-article a.bluelink {
  color: var(--accent-3, #126a82);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  font: inherit;
}
.sd-article a.bluelink:hover { background: var(--accent-soft); border-radius: 3px; }
.sd-article a.bluelink.target { font-weight: 700; }
.sd-trail {
  margin-top: 12px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--fg-faint);
  word-break: break-word;
}
.sd-trail .arrow { color: var(--accent); margin: 0 4px; }