/* ── Guides intro section (above footer) ── */
.guides-intro-section {
  max-width: 920px;
  margin: 3rem auto 1.5rem;
  padding: 1.5rem 1.5rem;
  background: rgba(99,102,241,.04);
  border: 1px solid rgba(99,102,241,.1);
  border-radius: 14px;
  box-sizing: border-box;
}
.guides-intro-inner h2 {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  font-weight: 700;
  color: var(--tx0);
  margin-bottom: .65rem;
  letter-spacing: -.02em;
}
.guides-intro-inner p {
  font-size: .9rem;
  line-height: 1.75;
  color: var(--tx1);
}
.guides-intro-inner a {
  color: var(--indigo);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(99,102,241,.25);
  transition: color .15s, border-color .15s;
}
.guides-intro-inner a:hover { color: var(--violet); border-bottom-color: var(--violet); }
@media (max-width: 640px) {
  .guides-intro-section { margin: 2rem .75rem 1rem; padding: 1.1rem 1rem; }
}

      .tool-beta {
        font-size: .62rem;
        font-weight: 700;
        background: rgba(0,229,255,.12);
        color: #00e5ff;
        border: 1px solid rgba(0,229,255,.25);
        border-radius: 20px;
        padding: .1em .5em;
        vertical-align: middle;
        margin-left: .3rem;
        letter-spacing: .04em;
      }