.tab-shell {
  min-width: 0;
  padding: var(--space-3);
  border: var(--border-thin) solid var(--color-border);
  border-radius: var(--radius-large);
  background: var(--color-panel);
}

.tab-list {
  display: flex;
  max-width: 100%;
  gap: var(--space-2);
  padding: var(--space-1);
  overflow-x: auto;
  border-radius: var(--radius-pill);
  background: var(--color-soft-text);
  scrollbar-width: thin;
}

.tab-list [role="tab"] {
  min-height: 2.75rem;
  flex: 1 0 auto;
  padding-inline: var(--space-5);
  border-radius: var(--radius-pill);
  color: var(--color-text-muted);
  background: var(--color-transparent);
  font-weight: var(--weight-medium);
  white-space: nowrap;
}

.tab-list [role="tab"][aria-selected="true"] {
  color: var(--color-bg);
  background: var(--color-accent);
  box-shadow: var(--shadow-button);
}

.tab-panel {
  min-width: 0;
  padding: var(--space-6) var(--space-4) var(--space-4);
}

.tab-panel[hidden] {
  display: none;
}

.toc-tabs {
  position: sticky;
  top: var(--space-3);
  z-index: 10;
  display: flex;
  max-width: 100%;
  gap: var(--space-2);
  padding: var(--space-2);
  overflow-x: auto;
  border: var(--border-thin) solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  box-shadow: var(--shadow-header);
  overscroll-behavior-inline: contain;
  scrollbar-width: thin;
}

.toc-tabs a {
  display: inline-flex;
  min-height: 2.5rem;
  flex: 0 0 auto;
  align-items: center;
  padding-inline: var(--space-4);
  border-radius: var(--radius-pill);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  white-space: nowrap;
}

.toc-tabs a:hover,
.toc-tabs a:focus-visible {
  color: var(--color-accent);
  background: var(--color-soft-accent);
}

/* 当前所在章节(由共享脚本随滚动切换)。目录条吸顶不动,唯一能表达"读到哪了"的
   就是这个高亮——没有它,条子只是停在那儿,看着就像坏的 */
.toc-tabs a.on {
  color: var(--color-bg);
  font-weight: 600;
  background: var(--color-accent);
}

/* 点目录跳过去时,标题要落在吸顶条**下面**;不留这段空当就正好被条子盖住,
   看着像没跳成功。只在真有目录条的页面上留,别的页面锚点照常顶到最上面 */
body:has(.toc-tabs) section[id] {
  scroll-margin-top: 6rem;
}

.faq-list {
  display: grid;
  gap: var(--space-3);
}

.faq-item {
  min-width: 0;
  border: var(--border-thin) solid var(--color-border);
  border-radius: var(--radius-medium);
  background: var(--color-panel);
  transition:
    border-color var(--transition-fast),
    background-color var(--transition-fast);
}

.faq-item[open] {
  border-color: var(--color-accent-dark);
  background: var(--color-panel-strong);
}

.faq-item summary {
  position: relative;
  display: flex;
  min-height: 4rem;
  align-items: center;
  padding: var(--space-4) 3.5rem var(--space-4) var(--space-5);
  list-style: none;
  color: var(--color-text);
  font-weight: var(--weight-semibold);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::before,
.faq-item summary::after {
  position: absolute;
  top: 50%;
  right: var(--space-5);
  width: 0.875rem;
  height: var(--border-strong);
  content: "";
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  transform: translateY(-50%);
  transition: transform var(--transition-fast);
}

.faq-item summary::after {
  transform: translateY(-50%) rotate(90deg);
}

.faq-item[open] summary::after {
  transform: translateY(-50%) rotate(0);
}

.faq-answer {
  padding: 0 var(--space-5) var(--space-5);
  color: var(--color-text-muted);
}

.faq-answer > :last-child {
  margin-bottom: 0;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: stretch;
  gap: var(--space-5);
}

.plan-card {
  position: relative;
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: var(--space-6);
  overflow: hidden;
  border: var(--border-thin) solid var(--color-border);
  border-radius: var(--radius-large);
  background:
    linear-gradient(145deg, var(--color-soft-text), var(--color-transparent)),
    var(--color-panel);
  transition:
    transform var(--transition-medium),
    border-color var(--transition-medium);
}

.plan-card::after {
  position: absolute;
  right: -20%;
  bottom: -28%;
  width: 12rem;
  height: 12rem;
  content: "";
  border-radius: 50%;
  background: radial-gradient(circle, var(--color-glow-soft), var(--color-transparent) 70%);
  pointer-events: none;
}

.plan-card:hover {
  border-color: var(--color-accent-dark);
  transform: translateY(-5px);
}

.plan-card.is-current {
  border: var(--border-strong) solid var(--color-accent);
  background:
    linear-gradient(145deg, var(--color-soft-accent-strong), var(--color-transparent)),
    var(--color-panel-strong);
  box-shadow: var(--shadow-panel);
}

.plan-value-badge {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  display: inline-flex;
  min-height: 1.75rem;
  align-items: center;
  padding-inline: var(--space-3);
  border-radius: var(--radius-pill);
  color: var(--color-bg);
  background: var(--color-accent);
  font-size: var(--font-size-xs);
  font-weight: var(--weight-bold);
}

.plan-name {
  padding-right: 5rem;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
}

.plan-price {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  margin-top: var(--space-5);
  color: var(--color-text);
}

.plan-price strong {
  font-family: var(--font-mono);
  font-size: clamp(2.5rem, 4vw, 3.75rem);
  line-height: 1;
  letter-spacing: -0.06em;
}

.plan-price span {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.plan-summary {
  min-height: 3.5rem;
  margin: var(--space-4) 0 0;
  color: var(--color-text-muted);
}

.plan-features {
  display: grid;
  gap: var(--space-3);
  margin: var(--space-5) 0 var(--space-6);
  padding: 0;
  list-style: none;
}

.plan-features li {
  position: relative;
  margin: 0;
  padding-left: 1.5rem;
  color: var(--color-text-muted);
}

.plan-features li::before {
  position: absolute;
  top: 0.62em;
  left: 0;
  width: 0.5rem;
  height: 0.5rem;
  content: "";
  border-radius: var(--radius-pill);
  background: var(--color-success);
  box-shadow: 0 0 0.75rem var(--color-soft-success);
}

.plan-card .button {
  z-index: 1;
  width: 100%;
  margin-top: auto;
}

.server-table-shell {
  max-width: 100%;
  overflow: hidden;
  border: var(--border-thin) solid var(--color-border);
  border-radius: var(--radius-large);
  background: var(--color-panel);
}

.server-region {
  min-width: 0;
}

.server-region + .server-region {
  border-top: var(--border-thin) solid var(--color-border);
}

.server-region-title {
  display: flex;
  min-height: 3.25rem;
  align-items: center;
  gap: var(--space-3);
  margin: 0;
  padding-inline: var(--space-5);
  color: var(--color-accent);
  background: var(--color-panel-strong);
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
}

.server-region-title::before {
  width: 0.5rem;
  height: 0.5rem;
  flex-shrink: 0;
  content: "";
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  box-shadow: 0 0 0.75rem var(--color-glow);
}

.server-table-scroll {
  max-width: 100%;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  -webkit-overflow-scrolling: touch;
}

.server-table {
  width: 100%;
  min-width: 42rem;
  border-collapse: collapse;
}

.server-table th,
.server-table td {
  padding: var(--space-4) var(--space-5);
  border-bottom: var(--border-thin) solid var(--color-soft-line);
  color: var(--color-text-muted);
  text-align: left;
  white-space: nowrap;
}

.server-table tr:last-child td {
  border-bottom: 0;
}

.server-table th {
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
}

.server-country {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
}

.server-flag {
  display: inline-grid;
  width: 1.75rem;
  height: 1.75rem;
  flex-shrink: 0;
  place-items: center;
  border: var(--border-thin) solid var(--color-soft-line);
  border-radius: var(--radius-pill);
  background: var(--color-soft-text);
}

.stream-status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-success);
}

.stream-status::before {
  width: 0.45rem;
  height: 0.45rem;
  flex-shrink: 0;
  content: "";
  border-radius: var(--radius-pill);
  background: currentColor;
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: var(--space-4);
}

.platform-card {
  display: flex;
  min-width: 0;
  min-height: 14rem;
  flex-direction: column;
  align-items: flex-start;
  padding: var(--space-5);
  border: var(--border-thin) solid var(--color-border);
  border-radius: var(--radius-large);
  background: var(--color-panel);
  transition:
    transform var(--transition-medium),
    border-color var(--transition-medium),
    background-color var(--transition-medium);
}

.platform-card:nth-child(even) {
  margin-top: var(--space-5);
}

.platform-card:hover {
  border-color: var(--color-accent-dark);
  background: var(--color-panel-strong);
  transform: translateY(-4px);
}

.platform-icon {
  display: grid;
  width: 3rem;
  height: 3rem;
  flex-shrink: 0;
  place-items: center;
  border: var(--border-thin) solid var(--color-accent-dark);
  border-radius: var(--radius-medium);
  color: var(--color-accent);
  background: var(--color-soft-accent);
}

.platform-icon svg {
  width: 1.6rem;
  height: 1.6rem;
}

.platform-card h3 {
  margin-top: var(--space-5);
  font-size: 1.05rem;
}

.platform-card p {
  margin: var(--space-2) 0 var(--space-5);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.platform-card .button {
  width: 100%;
  margin-top: auto;
  padding-inline: var(--space-3);
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--space-5);
}

.article-card {
  position: relative;
  display: flex;
  min-width: 0;
  min-height: 19rem;
  flex-direction: column;
  grid-column: span 4;
  padding: var(--space-6);
  overflow: hidden;
  border: var(--border-thin) solid var(--color-border);
  border-radius: var(--radius-large);
  background: var(--color-panel);
  transition:
    transform var(--transition-medium),
    border-color var(--transition-medium);
}

.article-card:first-child {
  grid-column: span 6;
}

.article-card:nth-child(2) {
  grid-column: span 6;
  background: var(--color-panel-strong);
}

.article-card::after {
  position: absolute;
  right: var(--space-5);
  bottom: var(--space-5);
  width: 4rem;
  height: 4rem;
  content: "";
  border-right: var(--border-thin) dashed var(--color-accent-dark);
  border-bottom: var(--border-thin) dashed var(--color-accent-dark);
  border-radius: 0 0 var(--radius-large) 0;
  opacity: 0.6;
}

.article-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
}

.article-card h3 {
  margin-top: var(--space-5);
  font-size: clamp(1.35rem, 2.2vw, 2rem);
}

.article-card p {
  margin: var(--space-4) 0 var(--space-6);
  color: var(--color-text-muted);
}

.article-link {
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: auto;
  color: var(--color-accent);
  font-weight: var(--weight-semibold);
}

.callout {
  position: relative;
  margin: var(--space-6) 0;
  padding: var(--space-5) var(--space-5) var(--space-5) var(--space-6);
  overflow: hidden;
  border: var(--border-thin) solid var(--color-border);
  border-radius: 0 var(--radius-large) var(--radius-large) 0;
  color: var(--color-text-muted);
  background: linear-gradient(90deg, var(--color-soft-accent), var(--color-panel));
}

.callout::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0.25rem;
  content: "";
  background: var(--color-accent);
  box-shadow: 0 0 1.25rem var(--color-glow);
}

.callout strong,
.callout-title {
  display: block;
  margin-bottom: var(--space-2);
  color: var(--color-text);
}

.callout > :last-child {
  margin-bottom: 0;
}

.promo-block {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-6);
  margin-top: var(--space-9);
  padding: var(--space-7);
  overflow: hidden;
  border: var(--border-thin) solid var(--color-accent-dark);
  border-radius: var(--radius-xlarge);
  background:
    radial-gradient(circle at 88% 20%, var(--color-glow), var(--color-transparent) 34%),
    linear-gradient(135deg, var(--color-panel-strong), var(--color-panel));
  box-shadow: var(--shadow-panel);
}

.promo-block::before {
  position: absolute;
  top: var(--space-5);
  right: var(--space-5);
  width: 8rem;
  height: 5rem;
  content: "";
  border-top: var(--border-thin) dashed var(--color-accent-dark);
  border-right: var(--border-thin) dashed var(--color-accent-dark);
  border-radius: 0 var(--radius-large) 0 0;
}

.promo-copy {
  z-index: 1;
  min-width: 0;
}

.promo-brand {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  font-weight: var(--weight-semibold);
}

.promo-block h2 {
  margin-top: var(--space-3);
  font-size: clamp(1.75rem, 4vw, 3rem);
}

.promo-block p {
  max-width: 42rem;
  margin: var(--space-3) 0 0;
  color: var(--color-text-muted);
}

.promo-block .button {
  z-index: 1;
  white-space: nowrap;
}

.float-cta {
  position: fixed;
  right: var(--space-5);
  bottom: var(--space-5);
  z-index: 60;
  display: inline-flex;
  min-height: 3rem;
  align-items: center;
  gap: var(--space-2);
  padding-inline: var(--space-5);
  border: var(--border-thin) solid var(--color-accent);
  border-radius: var(--radius-pill);
  color: var(--color-bg);
  background: var(--color-accent);
  box-shadow: var(--shadow-panel), 0 0 1.75rem var(--color-glow);
  font-size: var(--font-size-sm);
  font-weight: var(--weight-bold);
  transition: transform var(--transition-fast);
}

.float-cta:hover {
  transform: translateY(-3px);
}

.float-cta svg {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
}

.feature-veins {
  display: grid;
  grid-template-columns: minmax(12rem, 0.46fr) 5rem minmax(0, 1.54fr);
  align-items: stretch;
  min-height: 31rem;
}

.feature-index {
  display: grid;
  align-content: center;
  gap: var(--space-2);
}

.feature-index button {
  position: relative;
  min-height: 3.5rem;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-pill);
  color: var(--color-text-muted);
  background: var(--color-transparent);
  text-align: left;
}

.feature-index button:hover,
.feature-index button[aria-selected="true"] {
  color: var(--color-text);
  background: var(--color-soft-accent);
}

.feature-index button[aria-selected="true"]::after {
  position: absolute;
  top: 50%;
  right: calc(var(--space-5) * -1);
  width: var(--space-5);
  height: var(--border-thin);
  content: "";
  border-top: var(--border-thin) dashed var(--color-accent);
}

.feature-trunk {
  position: relative;
  min-width: 0;
}

.feature-trunk::before {
  position: absolute;
  top: 7%;
  bottom: 7%;
  left: 50%;
  width: var(--border-strong);
  content: "";
  border-radius: var(--radius-pill);
  background: linear-gradient(var(--color-transparent), var(--color-accent), var(--color-transparent));
  box-shadow: 0 0 1rem var(--color-glow);
}

.feature-detail {
  min-width: 0;
  padding: var(--space-8);
  border: var(--border-thin) solid var(--color-border);
  border-radius: var(--radius-xlarge);
  background: var(--color-panel);
  box-shadow: var(--shadow-panel);
}

.feature-detail p {
  color: var(--color-text-muted);
}

.leaf-stage {
  position: relative;
  min-width: 0;
  min-height: 42rem;
  overflow: visible;
}

.leaf-stage::before {
  position: absolute;
  top: 8%;
  right: -4%;
  width: 88%;
  height: 84%;
  content: "";
  border-radius: 46% 54% 56% 44%;
  background: radial-gradient(circle at 44% 45%, var(--color-forest-light), var(--color-transparent) 58%);
  filter: blur(12px);
  transform: rotate(-8deg);
}

.leaf-visual {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(45rem, 103%);
  height: auto;
  color: var(--color-accent);
  filter: drop-shadow(var(--shadow-leaf));
  transform: translate(-48%, -49%);
  animation: leaf-breathe 7s ease-in-out infinite;
}

.leaf-stop-start {
  stop-color: var(--color-panel-strong);
}

.leaf-stop-mid {
  stop-color: var(--color-forest-light);
}

.leaf-stop-end {
  stop-color: var(--color-panel);
}

.leaf-flesh {
  fill: url("#leafFlesh");
  stroke: var(--color-accent);
  stroke-width: 2.2;
}

.leaf-inner-outline {
  fill: none;
  stroke: var(--color-success);
  stroke-width: 0.8;
  opacity: 0.34;
}

.leaf-main-vein {
  fill: none;
  stroke: var(--color-accent);
  stroke-width: 8;
  stroke-linecap: round;
  filter: url("#softGlow");
}

.leaf-main-core {
  fill: none;
  stroke: var(--color-text);
  stroke-width: 1.2;
  stroke-linecap: round;
  opacity: 0.68;
}

.leaf-side-vein {
  fill: none;
  stroke: var(--color-success);
  stroke-width: 2.2;
  stroke-linecap: round;
  opacity: 0.66;
}

.leaf-side-vein-fine {
  fill: none;
  stroke: var(--color-accent-dark);
  stroke-width: 1;
  stroke-linecap: round;
  stroke-dasharray: 4 8;
  opacity: 0.55;
}

.flow-highlight {
  fill: none;
  stroke: var(--color-text);
  stroke-width: 3.4;
  stroke-linecap: round;
  opacity: 0.08;
  filter: url("#softGlow");
  animation: flow-pulse 4.8s ease-in-out infinite;
}

.flow-two {
  animation-delay: 1.6s;
}

.flow-three {
  animation-delay: 3.2s;
}

.route-node {
  fill: var(--color-accent);
  stroke: var(--color-bg);
  stroke-width: 4;
  filter: url("#nodeGlow");
  transform-box: fill-box;
  transform-origin: center;
  animation: node-pulse 3.6s ease-in-out infinite;
}

.node-two {
  animation-delay: 0.6s;
}

.node-three {
  animation-delay: 1.2s;
}

.node-four {
  animation-delay: 1.8s;
}

.node-five {
  animation-delay: 2.4s;
}

.route-label rect {
  fill: var(--color-panel);
  stroke: var(--color-border);
}

.route-label text {
  fill: var(--color-text);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: var(--weight-semibold);
  letter-spacing: 0.08em;
}

.route-label .route-label-muted {
  fill: var(--color-text-muted);
  font-size: 9px;
}

.label-connector {
  fill: none;
  stroke: var(--color-border);
  stroke-width: 1;
  stroke-dasharray: 4 6;
}

.leaf-caption,
.leaf-fact {
  position: absolute;
  z-index: 5;
  border: var(--border-thin) solid var(--color-border);
  background: var(--color-surface-glass);
  box-shadow: var(--shadow-panel);
  backdrop-filter: blur(12px);
}

.leaf-caption {
  top: 5.75rem;
  right: 1.125rem;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-pill);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.69rem;
  letter-spacing: 0.05em;
}

.signal-bars {
  display: inline-flex;
  height: 0.875rem;
  align-items: flex-end;
  gap: 3px;
}

.signal-bars i {
  display: block;
  width: 3px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
}

.signal-bars i:first-child {
  height: 0.32rem;
  opacity: 0.48;
}

.signal-bars i:nth-child(2) {
  height: 0.56rem;
  opacity: 0.72;
}

.signal-bars i:last-child {
  height: 0.875rem;
}

.leaf-fact {
  right: 1.625rem;
  bottom: 5.56rem;
  display: grid;
  grid-template-columns: auto auto;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-medium);
  background: linear-gradient(135deg, var(--color-surface-glass-strong), var(--color-surface-glass));
}

.leaf-fact strong {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 1.25rem;
  letter-spacing: -0.04em;
}

.leaf-fact span {
  max-width: 6.5rem;
  color: var(--color-text-muted);
  font-size: 0.69rem;
  line-height: 1.5;
}

.palette-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-4);
}

.swatch {
  min-width: 0;
  overflow: hidden;
  border: var(--border-thin) solid var(--color-border);
  border-radius: var(--radius-medium);
  background: var(--color-panel);
}

.swatch-color {
  height: 6rem;
}

.swatch-meta {
  padding: var(--space-3);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  overflow-wrap: anywhere;
}

.swatch-bg {
  background: var(--color-bg);
}

.swatch-panel {
  background: var(--color-panel);
}

.swatch-panel-strong {
  background: var(--color-panel-strong);
}

.swatch-border {
  background: var(--color-border);
}

.swatch-accent {
  background: var(--color-accent);
}

.swatch-accent-dark {
  background: var(--color-accent-dark);
}

.swatch-text {
  background: var(--color-text);
}

.swatch-muted {
  background: var(--color-text-muted);
}

.swatch-success {
  background: var(--color-success);
}

.swatch-warn {
  background: var(--color-warn);
}

.swatch-error {
  background: var(--color-error);
}

@keyframes leaf-breathe {
  0%,
  100% {
    transform: translate(-48%, -49%) rotate(-1deg);
  }

  50% {
    transform: translate(-48%, -50.5%) rotate(0.5deg);
  }
}

@keyframes node-pulse {
  0%,
  100% {
    opacity: 0.72;
    transform: scale(0.88);
  }

  50% {
    opacity: 1;
    transform: scale(1.16);
  }
}

@keyframes flow-pulse {
  0%,
  100% {
    opacity: 0.06;
  }

  45%,
  60% {
    opacity: 0.9;
  }
}

@media (max-width: 64rem) {
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .platform-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .platform-card:nth-child(even) {
    margin-top: 0;
  }

  .article-card,
  .article-card:first-child,
  .article-card:nth-child(2) {
    grid-column: span 6;
  }

  .feature-veins {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .feature-index {
    display: flex;
    max-width: 100%;
    overflow-x: auto;
  }

  .feature-index button {
    flex: 0 0 auto;
    white-space: nowrap;
  }

  .feature-index button[aria-selected="true"]::after,
  .feature-trunk {
    display: none;
  }

  .leaf-stage {
    min-height: 36rem;
    overflow-x: clip;
  }
}

@media (max-width: 40rem) {
  .tab-shell {
    padding: var(--space-2);
    border-radius: var(--radius-medium);
  }

  .tab-panel {
    padding: var(--space-5) var(--space-2) var(--space-2);
  }

  .toc-tabs {
    top: var(--space-2);
    border-radius: var(--radius-medium);
  }

  .pricing-grid,
  .platform-grid,
  .article-grid {
    grid-template-columns: 1fr;
  }

  .article-card,
  .article-card:first-child,
  .article-card:nth-child(2) {
    grid-column: auto;
  }

  .plan-card,
  .article-card,
  .feature-detail {
    padding: var(--space-5);
    border-radius: var(--radius-medium);
  }

  .platform-card {
    min-height: 12rem;
  }

  .promo-block {
    grid-template-columns: 1fr;
    padding: var(--space-6);
    border-radius: var(--radius-large);
  }

  .promo-block .button {
    width: 100%;
  }

  .float-cta {
    right: var(--space-3);
    bottom: var(--space-3);
    min-height: 2.75rem;
    padding-inline: var(--space-4);
  }

  .leaf-stage {
    min-height: 27rem;
  }

  .leaf-visual {
    width: min(34rem, 120%);
  }

  .leaf-caption {
    top: var(--space-3);
    right: var(--space-2);
  }

  .leaf-fact {
    right: var(--space-2);
    bottom: var(--space-3);
  }

  .palette-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}