/* VLESS Flow canvas (B) — protocol hub */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body.xbrbd {
  margin: 0;
  min-height: 100vh;
  font-family: var(--xbrbd-font);
  font-size: 15px;
  line-height: 1.45;
  color: var(--xbrbd-ink);
  background: linear-gradient(180deg, var(--xbrbd-bg-top, #e8eef5) 0%, var(--xbrbd-bg) 28%, var(--xbrbd-bg) 100%);
}
body.xbrbd-has-dock { padding-bottom: 0; }
@media (max-width: 759px) {
  body.xbrbd-has-dock { padding-bottom: 4.75rem; }
}

body.xbrbd a { color: var(--xbrbd-accent); text-underline-offset: 2px; }
body.xbrbd a:hover { color: var(--xbrbd-ink); }
body.xbrbd code {
  font-family: var(--xbrbd-mono);
  font-size: 0.88em;
  background: color-mix(in srgb, var(--xbrbd-line) 45%, transparent);
  padding: 0.08em 0.28em;
  border-radius: 4px;
}

/* —— chrome —— */
.xbrbd-top {
  max-width: var(--xbrbd-max);
  margin: 0 auto;
  padding: 1rem 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  position: sticky;
  top: 0;
  z-index: 30;
  background: color-mix(in srgb, var(--xbrbd-bg) 92%, transparent);
  backdrop-filter: blur(10px);
}
.xbrbd-mark {
  font-family: var(--xbrbd-mono);
  font-weight: 500;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--xbrbd-ink);
  text-decoration: none;
  flex-shrink: 0;
}
.xbrbd-mark:hover { color: var(--xbrbd-accent); }
.xbrbd-top-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 0.9rem;
  align-items: center;
  justify-content: flex-end;
}
.xbrbd-top-nav > a {
  color: var(--xbrbd-muted);
  text-decoration: none;
  font-size: 0.9rem;
}
.xbrbd-top-nav > a:hover { color: var(--xbrbd-ink); }

/* access chooser */
.xbrbd-access { position: relative; }
.xbrbd-access summary {
  list-style: none;
  cursor: pointer;
  font-size: 0.88rem;
  font-weight: 600;
  color: #fff;
  background: var(--xbrbd-cta-bg, #0c1929);
  padding: 0.45rem 0.8rem;
  border-radius: 8px;
  user-select: none;
}
.xbrbd-access summary::-webkit-details-marker { display: none; }
.xbrbd-access summary::after {
  content: " ▾";
  font-size: 0.75em;
  opacity: 0.75;
}
.xbrbd-access-panel {
  position: absolute;
  right: 0;
  top: calc(100% + 0.4rem);
  z-index: 40;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  min-width: 200px;
  padding: 0.7rem;
  background: #fff;
  border: 1px solid var(--xbrbd-line);
  border-radius: 10px;
  box-shadow: 0 12px 28px rgba(12, 25, 41, 0.12);
}
.xbrbd-access-nav { display: none; }
@media (min-width: 760px) {
  .xbrbd-access-nav { display: block; }
}

/* mobile sticky access */
.xbrbd-mob-dock {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 50;
  padding: 0.65rem 0.85rem calc(0.65rem + env(safe-area-inset-bottom, 0px));
  background: color-mix(in srgb, #fff 92%, transparent);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--xbrbd-line);
  box-shadow: 0 -8px 24px rgba(12, 25, 41, 0.06);
}
@media (max-width: 759px) {
  .xbrbd-mob-dock { display: block; }
}
.xbrbd-access-dock { width: 100%; }
.xbrbd-access-dock summary {
  text-align: center;
  width: 100%;
  box-sizing: border-box;
}
.xbrbd-access-dock .xbrbd-access-panel {
  left: 0;
  right: 0;
  top: auto;
  bottom: calc(100% + 0.45rem);
  position: absolute;
}

.xbrbd-stage {
  max-width: var(--xbrbd-max);
  margin: 0 auto;
  padding: 0.25rem 1.25rem 3.5rem;
}

.xbrbd-foot {
  max-width: var(--xbrbd-max);
  margin: 0 auto;
  padding: 0 1.25rem 2.5rem;
  color: var(--xbrbd-muted);
  font-size: 0.82rem;
}
.xbrbd-foot p { margin: 0 0 0.5rem; max-width: 40rem; }
.xbrbd-foot-links a {
  font-weight: 600;
  text-decoration: none;
  color: var(--xbrbd-accent);
}
.xbrbd-foot-links a:hover { color: var(--xbrbd-ink); }

/* —— CTA buttons (shared) —— */
a.xbrbd-cta-pay,
a.xbrbd-cta-bot {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none !important;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.6rem 0.95rem;
  border-radius: 8px;
  line-height: 1.2;
  white-space: nowrap;
}
a.xbrbd-cta-pay {
  background: var(--xbrbd-ok);
  color: #fff !important;
  border: 1px solid transparent;
}
a.xbrbd-cta-pay:hover {
  filter: brightness(1.06);
  color: #fff !important;
}
a.xbrbd-cta-bot {
  background: transparent;
  color: #fff !important;
  border: 1px solid rgba(255, 255, 255, 0.4);
}
a.xbrbd-cta-bot:hover {
  border-color: #fff;
  color: #fff !important;
}
/* light panel (access dropdown) — dark bot button */
.xbrbd-access-panel a.xbrbd-cta-bot {
  color: var(--xbrbd-ink) !important;
  border-color: var(--xbrbd-line);
  background: #fff;
}
.xbrbd-access-panel a.xbrbd-cta-bot:hover {
  border-color: var(--xbrbd-accent);
  color: var(--xbrbd-accent) !important;
}
.xbrbd-access-panel a.xbrbd-cta-pay { width: 100%; }
.xbrbd-access-panel a.xbrbd-cta-bot { width: 100%; }

/* —— home intro + flow —— */
.xbrbd-intro { max-width: none; width: 100%; margin-bottom: 1.75rem; }
.xbrbd-intro h1 {
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  margin: 0 0 0.5rem;
  letter-spacing: -0.03em;
  font-weight: 700;
  line-height: 1.2;
}
.xbrbd-intro p { margin: 0; color: var(--xbrbd-muted); }

.xbrbd-flow {
  display: grid;
  gap: 0;
  margin: 0 0 2rem;
}
@media (min-width: 760px) {
  .xbrbd-flow {
    grid-template-columns: 1fr auto 1fr auto 1fr;
    align-items: stretch;
    gap: 0.35rem;
  }
}
.xbrbd-node {
  background: var(--xbrbd-node, #fff);
  border: 1.5px solid var(--xbrbd-line);
  border-radius: var(--xbrbd-radius);
  padding: 1.1rem 1.15rem;
  box-shadow: 0 8px 24px rgba(12, 25, 41, 0.04);
}
.xbrbd-node-n {
  font-family: var(--xbrbd-mono);
  font-size: 0.7rem;
  color: var(--xbrbd-accent);
  letter-spacing: 0.08em;
  margin-bottom: 0.35rem;
}
.xbrbd-node strong {
  display: block;
  font-size: 1.05rem;
  margin-bottom: 0.35rem;
  font-weight: 600;
}
.xbrbd-node p { margin: 0; color: var(--xbrbd-muted); font-size: 0.9rem; }

.xbrbd-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--xbrbd-muted);
  font-family: var(--xbrbd-mono);
  font-size: 1.1rem;
  padding: 0.35rem 0;
}
.xbrbd-arrow .xbrbd-h { display: none; }
.xbrbd-arrow .xbrbd-v { display: inline; }
@media (min-width: 760px) {
  .xbrbd-arrow { padding: 0 0.15rem; }
  .xbrbd-arrow .xbrbd-h { display: inline; }
  .xbrbd-arrow .xbrbd-v { display: none; }
}

.xbrbd-clients {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.85rem;
  margin: 0 0 1.75rem;
  padding: 1rem 0;
  border-top: 1px dashed var(--xbrbd-line);
  border-bottom: 1px dashed var(--xbrbd-line);
}
.xbrbd-clients-label {
  font-size: 0.8rem;
  color: var(--xbrbd-muted);
  width: 100%;
  margin-bottom: 0.15rem;
  font-family: var(--xbrbd-mono);
  letter-spacing: 0.04em;
}
.xbrbd-clients a {
  color: var(--xbrbd-accent);
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--xbrbd-accent) 35%, transparent);
}
.xbrbd-clients a:hover { color: var(--xbrbd-ink); }

.xbrbd-cta-once {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1rem;
  padding: 1rem 1.15rem;
  background: var(--xbrbd-cta-bg, #0c1929);
  color: #e8eef5;
  border-radius: var(--xbrbd-radius);
}
.xbrbd-cta-once p {
  margin: 0;
  flex: 1 1 220px;
  font-size: 0.92rem;
  opacity: 0.9;
  color: #e8eef5;
}

/* SEO */
.xbrbd-seo {
  margin-top: 2.25rem;
  max-width: none;
  width: 100%;
}
.xbrbd-seo h2 {
  font-size: 1.15rem;
  margin: 0 0 0.75rem;
  letter-spacing: -0.02em;
}
.xbrbd-seo p {
  margin: 0 0 0.75rem;
  color: var(--xbrbd-muted);
  font-size: 0.95rem;
}

/* scenarios */
.xbrbd-scenarios { margin-top: 2.25rem; }
.xbrbd-scenarios h2,
.xbrbd-arts h2,
.xbrbd-reviews h2,
.xbrbd-faq h2 {
  font-size: 1.05rem;
  margin: 0 0 0.9rem;
  font-weight: 600;
}
.xbrbd-scenario-grid {
  display: grid;
  gap: 0.75rem;
}
@media (min-width: 640px) {
  .xbrbd-scenario-grid { grid-template-columns: 1fr 1fr; }
}
.xbrbd-scenario {
  background: #fff;
  border: 1px solid var(--xbrbd-line);
  border-radius: var(--xbrbd-radius);
  padding: 1rem 1.05rem;
}
.xbrbd-scenario-head {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 0.4rem;
}
.xbrbd-scenario-ico {
  display: inline-flex;
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--xbrbd-accent-soft);
  color: var(--xbrbd-accent);
}
.xbrbd-scenario-ico svg { width: 1.1rem; height: 1.1rem; }
.xbrbd-scenario-head strong {
  display: block;
  font-size: 0.98rem;
  line-height: 1.25;
  margin: 0;
}
.xbrbd-scenario > p {
  margin: 0;
  color: var(--xbrbd-muted);
  font-size: 0.88rem;
}

/* article cards */
.xbrbd-arts { margin-top: 2.25rem; }
.xbrbd-art-grid {
  display: grid;
  gap: 0.75rem;
}
@media (min-width: 640px) {
  .xbrbd-art-grid { grid-template-columns: 1fr 1fr; }
}
a.xbrbd-art-card {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 0.95rem 1rem;
  background: #fff;
  border: 1px solid var(--xbrbd-line);
  border-radius: var(--xbrbd-radius);
  text-decoration: none;
  color: var(--xbrbd-ink);
  transition: border-color 0.15s, box-shadow 0.15s;
}
a.xbrbd-art-card:hover {
  border-color: color-mix(in srgb, var(--xbrbd-accent) 45%, var(--xbrbd-line));
  box-shadow: 0 8px 20px rgba(12, 25, 41, 0.05);
  color: var(--xbrbd-ink);
}
.xbrbd-art-head {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}
.xbrbd-art-ico {
  display: inline-flex;
  flex-shrink: 0;
  width: 2.1rem;
  height: 2.1rem;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--xbrbd-accent-soft);
  color: var(--xbrbd-accent);
}
.xbrbd-art-ico svg { width: 1.1rem; height: 1.1rem; }
a.xbrbd-art-card .xbrbd-art-head strong {
  font-size: 0.95rem;
  line-height: 1.3;
  margin: 0;
}
a.xbrbd-art-card > span:last-child {
  color: var(--xbrbd-muted);
  font-size: 0.82rem;
  line-height: 1.4;
  padding-left: 0;
}
.xbrbd-arts-more {
  display: inline-block;
  margin-top: 0.9rem;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
}

/* reviews */
.xbrbd-reviews { margin-top: 2.25rem; }
.xbrbd-review-grid {
  display: grid;
  gap: 0.75rem;
}
/* clarify + checkup */
.xbrbd-clarify,
.xbrbd-checkup { margin-top: 2.25rem; }
.xbrbd-clarify h2,
.xbrbd-checkup h2 {
  font-size: 1.05rem;
  margin: 0 0 0.9rem;
  font-weight: 600;
}
.xbrbd-clarify-grid {
  display: grid;
  gap: 0.75rem;
}
@media (min-width: 640px) {
  .xbrbd-clarify-grid { grid-template-columns: 1fr 1fr; }
}
.xbrbd-clarify-card {
  background: #fff;
  border: 1px solid var(--xbrbd-line);
  border-radius: var(--xbrbd-radius);
  padding: 1rem 1.05rem;
}
.xbrbd-clarify-head {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 0.4rem;
}
.xbrbd-clarify-ico {
  display: inline-flex;
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--xbrbd-accent-soft);
  color: var(--xbrbd-accent);
}
.xbrbd-clarify-ico svg { width: 1.1rem; height: 1.1rem; }
.xbrbd-clarify-head strong { margin: 0; font-size: 0.98rem; }
.xbrbd-clarify-card p {
  margin: 0;
  color: var(--xbrbd-muted);
  font-size: 0.88rem;
}
.xbrbd-checkup {
  background: #fff;
  border: 1px solid var(--xbrbd-line);
  border-radius: var(--xbrbd-radius);
  padding: 1.1rem 1.15rem;
}
.xbrbd-checkup-list {
  margin: 0 0 0.75rem;
  padding-left: 1.2rem;
  color: var(--xbrbd-ink);
  font-size: 0.92rem;
}
.xbrbd-checkup-list li { margin-bottom: 0.35rem; }
.xbrbd-checkup-note {
  margin: 0;
  font-size: 0.88rem;
  color: var(--xbrbd-muted);
}

/* tables + OS download + format */
.xbrbd-symptoms,
.xbrbd-osdl,
.xbrbd-format { margin-top: 2.25rem; }
.xbrbd-symptoms h2,
.xbrbd-osdl h2,
.xbrbd-format h2 {
  font-size: 1.05rem;
  margin: 0 0 0.9rem;
  font-weight: 600;
}
.xbrbd-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--xbrbd-line);
  border-radius: var(--xbrbd-radius);
  background: #fff;
}
.xbrbd-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.xbrbd-table th,
.xbrbd-table td {
  text-align: left;
  padding: 0.7rem 0.85rem;
  border-bottom: 1px solid var(--xbrbd-line);
  vertical-align: top;
}
.xbrbd-table th {
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--xbrbd-muted);
  background: color-mix(in srgb, var(--xbrbd-bg) 70%, #fff);
  font-weight: 600;
}
.xbrbd-table tr:last-child td { border-bottom: none; }
.xbrbd-table td:first-child { font-weight: 500; min-width: 10rem; }

.xbrbd-osdl-lead {
  margin: -0.35rem 0 0.9rem;
  color: var(--xbrbd-muted);
  font-size: 0.9rem;
  max-width: none;
}
.xbrbd-format-note {
  margin: 1rem 0 0;
  color: var(--xbrbd-muted);
  font-size: 0.9rem;
  max-width: none;
}
.xbrbd-osdl-grid {
  display: grid;
  gap: 0.75rem;
}
@media (min-width: 640px) {
  .xbrbd-osdl-grid { grid-template-columns: 1fr 1fr; }
}
.xbrbd-osdl-card {
  background: #fff;
  border: 1px solid var(--xbrbd-line);
  border-radius: var(--xbrbd-radius);
  padding: 1rem 1.05rem;
}
.xbrbd-osdl-head {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 0.4rem;
}
.xbrbd-osdl-ico {
  display: inline-flex;
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--xbrbd-accent-soft);
  color: var(--xbrbd-accent);
}
.xbrbd-osdl-ico svg { width: 1.1rem; height: 1.1rem; }
.xbrbd-osdl-head strong { margin: 0; font-size: 0.98rem; }
.xbrbd-osdl-card > p {
  margin: 0 0 0.65rem;
  color: var(--xbrbd-muted);
  font-size: 0.88rem;
}
.xbrbd-osdl-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.75rem;
}
.xbrbd-osdl-links a {
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--xbrbd-accent) 35%, transparent);
}

@media (min-width: 720px) {
  .xbrbd-review-grid { grid-template-columns: repeat(3, 1fr); }
}
.xbrbd-review {
  margin: 0;
  background: #fff;
  border: 1px solid var(--xbrbd-line);
  border-radius: var(--xbrbd-radius);
  padding: 1rem;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.55rem 0.7rem;
}
.xbrbd-review-ava {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--xbrbd-accent-soft);
}
.xbrbd-review figcaption { align-self: center; }
.xbrbd-review figcaption strong { display: block; font-size: 0.92rem; }
.xbrbd-review figcaption span {
  font-size: 0.78rem;
  color: var(--xbrbd-muted);
}
.xbrbd-review blockquote {
  grid-column: 1 / -1;
  margin: 0;
  font-size: 0.9rem;
  color: var(--xbrbd-ink);
  line-height: 1.45;
}

.xbrbd-faq { margin-top: 2.25rem; max-width: 42rem; }
.xbrbd-faq details {
  border-bottom: 1px solid var(--xbrbd-line);
  padding: 0.7rem 0;
}
.xbrbd-faq summary {
  cursor: pointer;
  font-weight: 500;
  list-style: none;
}
.xbrbd-faq summary::-webkit-details-marker { display: none; }
.xbrbd-faq p {
  margin: 0.45rem 0 0;
  color: var(--xbrbd-muted);
  font-size: 0.92rem;
}

/* —— inner pages —— */
.xbrbd-page {
  max-width: var(--xbrbd-article-max);
  margin: 0 auto;
  padding: 0.5rem 1.25rem 3rem;
}
.xbrbd-page-wide { max-width: var(--xbrbd-max); }
.xbrbd-page-title {
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  margin: 0 0 1.25rem;
}
.xbrbd-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.5rem;
  font-size: 0.85rem;
  color: var(--xbrbd-muted);
  margin-bottom: 1.25rem;
}
.xbrbd-breadcrumb a { color: var(--xbrbd-muted); text-decoration: none; }
.xbrbd-breadcrumb a:hover { color: var(--xbrbd-accent); }

.xbrbd-prose h1 {
  font-size: clamp(1.4rem, 3vw, 1.75rem);
  letter-spacing: -0.03em;
  margin: 0 0 0.35rem;
  line-height: 1.2;
}
.xbrbd-article-meta {
  font-family: var(--xbrbd-mono);
  font-size: 0.75rem;
  color: var(--xbrbd-muted);
  letter-spacing: 0.04em;
  margin: 0 0 1.25rem;
}
.xbrbd-prose h2 {
  font-size: 1.1rem;
  margin: 1.75rem 0 0.65rem;
  letter-spacing: -0.02em;
}
.xbrbd-prose p { margin: 0 0 0.75rem; color: var(--xbrbd-ink); }
.xbrbd-prose ul, .xbrbd-prose ol { margin: 0 0 0.85rem; padding-left: 1.2rem; }
.xbrbd-prose li { margin-bottom: 0.25rem; }

.xbrbd-prose .article-callout {
  margin: 0.85rem 0;
  padding: 0.75rem 0.9rem;
  border-radius: 8px;
  border-left: 3px solid var(--xbrbd-accent);
  background: var(--xbrbd-accent-soft);
}
.xbrbd-prose .article-callout--warn {
  border-left-color: var(--xbrbd-warn);
  background: var(--xbrbd-warn-bg);
}
.xbrbd-prose .article-callout--tip,
.xbrbd-prose .article-callout--note {
  border-left-color: var(--xbrbd-ok);
  background: var(--xbrbd-ok-bg);
}
.xbrbd-prose .article-facts {
  display: grid;
  gap: 0.5rem;
  margin: 0.85rem 0 1rem;
}
@media (min-width: 560px) {
  .xbrbd-prose .article-facts { grid-template-columns: 1fr 1fr; }
}
.xbrbd-prose .article-fact {
  background: var(--xbrbd-node, #fff);
  border: 1px solid var(--xbrbd-line);
  border-radius: 8px;
  padding: 0.65rem 0.75rem;
}
.xbrbd-prose .article-fact dt {
  font-family: var(--xbrbd-mono);
  font-size: 0.72rem;
  color: var(--xbrbd-muted);
  letter-spacing: 0.04em;
  margin-bottom: 0.2rem;
}
.xbrbd-prose .article-fact dd { margin: 0; font-size: 0.9rem; }
.xbrbd-prose .article-table-wrap {
  overflow-x: auto;
  margin: 0.85rem 0 1rem;
  border: 1px solid var(--xbrbd-line);
  border-radius: 8px;
  background: #fff;
}
.xbrbd-prose .article-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.xbrbd-prose .article-table th,
.xbrbd-prose .article-table td {
  padding: 0.55rem 0.7rem;
  border-bottom: 1px solid var(--xbrbd-line);
  text-align: left;
  vertical-align: top;
}
.xbrbd-prose .article-table th {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--xbrbd-muted);
  background: color-mix(in srgb, var(--xbrbd-bg) 80%, #fff);
}
.xbrbd-prose .article-list { margin: 0 0 0.85rem; }
.xbrbd-prose .article-mark {
  background: color-mix(in srgb, var(--xbrbd-ok) 18%, transparent);
  padding: 0.05em 0.2em;
}
.xbrbd-prose .article-kbd {
  font-family: var(--xbrbd-mono);
  font-size: 0.82em;
  border: 1px solid var(--xbrbd-line);
  border-radius: 4px;
  padding: 0.05em 0.35em;
  background: #fff;
}
.xbrbd-prose figure { margin: 1rem 0; }
.xbrbd-prose figure img { max-width: 100%; height: auto; border-radius: 8px; }
.xbrbd-prose figcaption { font-size: 0.82rem; color: var(--xbrbd-muted); margin-top: 0.35rem; }

.xbrbd-cta-article {
  margin: 1.75rem 0;
  padding: 1.15rem 1.2rem;
  background: var(--xbrbd-cta-bg);
  color: #e8eef5;
  border-radius: var(--xbrbd-radius);
}
.xbrbd-cta-article h2 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
  color: #fff;
}
.xbrbd-cta-article p {
  margin: 0 0 0.95rem;
  font-size: 0.9rem;
  opacity: 0.9;
  color: #e8eef5;
}
.xbrbd-cta-article-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}
.xbrbd-related { margin-top: 2rem; padding-top: 1rem; border-top: 1px solid var(--xbrbd-line); }
.xbrbd-related h2 { font-size: 1rem; margin: 0 0 0.65rem; }
.xbrbd-related a {
  display: block;
  padding: 0.45rem 0;
  color: var(--xbrbd-ink);
  text-decoration: none;
  border-bottom: 1px solid var(--xbrbd-line);
  font-size: 0.92rem;
}
.xbrbd-related a:hover { color: var(--xbrbd-accent); }

/* Per-site layout variants (data-vx-layout → rewritten prefix) */
body.xbrbd[data-xbrbd-layout="compact"] .xbrbd-stage { max-width: 880px; }
body.xbrbd[data-xbrbd-layout="compact"] .xbrbd-intro { padding-block: 1.25rem 0.75rem; }
body.xbrbd[data-xbrbd-layout="wide"] .xbrbd-stage { max-width: 1080px; }
body.xbrbd[data-xbrbd-layout="airy"] .xbrbd-stage { max-width: 960px; }
body.xbrbd[data-xbrbd-layout="airy"] .xbrbd-intro { padding-block: 2.25rem 1.25rem; }
body.xbrbd[data-xbrbd-layout="airy"] .xbrbd-flow { gap: 1.25rem; }
body.xbrbd[data-xbrbd-layout="compact"] .xbrbd-node { padding: 0.85rem 0.95rem; }