/* ── Support / Knowledge base ── */

.kb-article {
  max-width: 720px;
  margin: 0 auto;
  padding: 100px 24px 140px;
}

.kb-breadcrumb {
  font-size: 14px;
  color: var(--text-dim);
  margin: 0 0 24px;
}
.kb-breadcrumb a { color: var(--text-dim); transition: color .15s; }
.kb-breadcrumb a:hover { color: var(--accent); }

.kb-article h1 {
  font-size: clamp(32px, 5vw, 48px);
  margin: 0 0 12px;
}

.kb-updated {
  color: var(--text-dim);
  font-size: 14px;
  margin: 0 0 4px;
}

.kb-time {
  color: var(--text-dim);
  font-size: 14px;
  margin: 0 0 48px;
}

.kb-toc {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin: 0 0 40px;
}
.kb-toc p {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  margin: 0 0 10px;
}
.kb-toc ul {
  margin: 0;
  padding-left: 20px;
}
.kb-toc li { font-size: 15px; }
.kb-toc a { color: var(--accent); }

.kb-article h2 {
  font-size: 22px;
  margin: 40px 0 12px;
}
.kb-article h3 {
  font-size: 18px;
  margin: 28px 0 10px;
}
.kb-article p, .kb-article li {
  color: var(--text-dim);
  font-size: 16px;
  line-height: 1.7;
}
.kb-article ul, .kb-article ol {
  padding-left: 22px;
  margin: 12px 0;
}
.kb-article a { color: var(--accent); }
.kb-article hr {
  border: none;
  border-top: 1px solid rgba(255,255,255,0.08);
  margin: 32px 0;
}
.kb-article code {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 6px;
  padding: 2px 6px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 14px;
  color: var(--text);
}
.kb-article pre {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 16px 20px;
  overflow-x: auto;
  margin: 16px 0;
}
.kb-article pre code {
  background: none;
  border: none;
  padding: 0;
  color: var(--text-dim);
  line-height: 1.6;
}
.kb-article table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 15px;
}
.kb-article th, .kb-article td {
  border: 1px solid rgba(255,255,255,0.08);
  padding: 10px 14px;
  text-align: left;
  color: var(--text-dim);
}
.kb-article th { color: var(--text); font-weight: 700; }
.kb-article blockquote {
  border-left: 3px solid var(--accent);
  margin: 16px 0;
  padding: 4px 0 4px 16px;
  color: var(--text-dim);
}
.kb-article .placeholder {
  background: rgba(255,255,255,0.03);
  border: 1px dashed rgba(255,255,255,0.16);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  color: var(--text-dim);
}

.kb-contact {
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 15px;
  color: var(--text-dim);
}
.kb-contact a { color: var(--accent); }

/* ── Knowledge base index ── */
.kb-index {
  max-width: 900px;
  margin: 0 auto;
  padding: 100px 24px 140px;
}
.kb-index h1 {
  font-size: clamp(32px, 5vw, 48px);
  margin: 0 0 12px;
}
.kb-index .legal-updated {
  color: var(--text-dim);
  font-size: 14px;
  margin: 0 0 48px;
}
.kb-index h2 {
  font-size: 20px;
  margin: 40px 0 16px;
}
.kb-group {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.kb-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 20px 24px;
  transition: border-color .15s, background .15s, transform .15s;
  display: block;
}
.kb-card:hover {
  border-color: var(--accent);
  background: rgba(255,255,255,0.05);
  transform: translateY(-2px);
}
.kb-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 6px;
}
.kb-card p {
  font-size: 14px;
  color: var(--text-dim);
  margin: 0;
}

@media (max-width: 700px) {
  .kb-group { grid-template-columns: 1fr; }
}