/* Long-article additions only. Typography, headings, lists, boxes and table cells
   come from the existing articlePanel / blogArticlePanel styles. */
.sa-security-article {
  /* Retain the site's blue hue with readable contrast for this long article. */
  --green-text: color-mix(in srgb, var(--green) 40%, var(--ink));
  --sa-ink: var(--ink);
  --sa-muted: var(--ink-soft);
  --sa-blue: var(--green-text);
  --sa-line: var(--line);
  --sa-pale: var(--surface-blue);
  --sa-pink: var(--coral);
  min-width: 0;
  overflow-wrap: anywhere;
}
.sa-security-article [id] { scroll-margin-block-start: calc(var(--header-height) + 6rem); }
.sa-security-article :is(a, summary, .table-scroll):focus-visible {
  outline: 2px solid var(--green-text);
  outline-offset: 3px;
}
.sa-security-article .sa-anchor:focus-visible { outline: 2px solid var(--green-text); }
.sa-security-article a:hover { color: var(--ink); }
.sa-security-article .sa-brand { display: none; }
.sa-security-article strong { font-weight: 500; }
.sa-security-article .sa-anchor-block,
.sa-security-article .sa-anchor { display: block; height: 0; min-height: 0; margin: 0; padding: 0; border: 0; }
.sa-security-article .sa-chapter { margin-top: 0; }
.sa-security-article .sa-chapter-number {
  color: var(--green-text);
  font-size: 14px;
  font-weight: 500;
  margin: var(--blog-h2-space) 0 8px;
}
.sa-security-article .sa-chapter > h2 { margin-top: 0; }
.sa-security-article h4 { font-size: 16px; font-weight: 500; line-height: 1.8; margin: 1.7em 0 .6em; }
.sa-security-article li > p:last-child { margin-bottom: 0; }
.sa-security-article li > :is(ul, ol) { background: transparent; border: 0; margin: .5em 0; padding: 0 0 0 1.25em; }
.sa-security-article .sa-reading-nav {
  align-items: center;
  background: var(--white);
  border-bottom: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin: 0 0 var(--blog-text-space);
  padding: 12px 0;
  position: sticky;
  top: var(--header-height);
  z-index: 5;
}
.sa-security-article .sa-reading-nav a { font-size: 14px; line-height: 1.8; }
.sa-security-article .sa-full-toc details { margin-top: 4px; }
.sa-security-article .sa-full-toc summary {
  color: var(--green-text);
  cursor: pointer;
  font-size: 13px;
  line-height: 1.8;
  padding: 4px 0;
  width: fit-content;
}
.sa-security-article .sa-full-toc details > ul {
  background: var(--white);
  border: 0;
  border-left: 2px solid var(--sky);
  gap: 10px;
  margin: 8px 0 4px;
  padding: 12px 12px 12px 28px;
}
.sa-security-article .sa-full-toc details li { font-size: 14px; line-height: 1.6; }
.sa-security-article .sa-full-toc .sa-subsection { margin-left: 12px; }
.sa-security-article .sa-official-update,
.sa-security-article .sa-step9-note { margin: var(--blog-text-space) 0; }
.sa-security-article :is(.sa-official-update, .sa-step9-note) > p:last-child { margin-bottom: 0; }
.sa-security-article .sa-cta-status { color: var(--muted); font-size: 14px; margin-top: -12px; }
.sa-security-article .sa-article-footer { border-top: 1px solid var(--line); margin-top: var(--blog-h2-space); padding-top: 20px; }

/* Keep every table two-dimensional. Only the table region scrolls. */
.sa-security-article .sa-table-asset { min-width: 0; width: 100%; margin: var(--blog-text-space) 0; }
.sa-security-article .sa-table-hint { color: var(--ink-soft); font-size: 13px; line-height: 1.7; margin-bottom: 8px; }
.sa-security-article [data-generated-ui="step9-table-scroll"] + .sa-table-asset { margin-top: 0; }
.sa-security-article .table-scroll { max-width: 100%; overflow: auto; overscroll-behavior-x: contain; scrollbar-color: var(--sky) var(--surface-blue); }
.sa-security-article .article-table { margin: 0; min-width: 48rem; max-width: none; }
.sa-security-article .article-table:has(thead th:nth-child(2):last-child) { min-width: 26rem; }
.sa-security-article .article-table:has(thead th:nth-child(3):last-child) { min-width: 40rem; }
.sa-security-article .article-table caption {
  background: var(--surface-blue);
  border: 1px solid var(--line);
  border-bottom: 0;
  color: var(--ink);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.8;
  padding: 14px;
  text-align: left;
}
.sa-security-article .article-table .mobile-label { display: none; }
.sa-security-article .article-table .cell-content { display: block; }
.sa-security-article .article-table tbody th { min-width: 7rem; }
.sa-security-article .asset-t05 .article-table { min-width: 54rem; }
.sa-security-article .asset-t06 .article-table { min-width: 58rem; }
.sa-security-article .asset-t07 .article-table { min-width: 65rem; }
.sa-security-article .asset-t08 .article-table { min-width: 62rem; }
.sa-security-article .asset-t12 .article-table { min-width: 57rem; }
.sa-security-article .asset-t13 .article-table { min-width: 68rem; }
.sa-security-article .asset-t14 .article-table td:nth-child(4) { text-align: center; }

/* Illustrated figures use the approved B style. The complete original diagram
   remains available as compact, selectable text in a native disclosure. */
.sa-security-article :is(.sa-illustrated-diagram, .sa-chapter-art, .sa-spot-art) {
  background: var(--white);
  border: 0;
  border-radius: 0;
  display: block;
  margin: 32px 0;
  min-width: 0;
  padding: 0;
  width: 100%;
}
.sa-security-article .sa-chapter-art { margin: 24px 0 36px; }
.sa-security-article .sa-guide-image {
  border: 0;
  border-radius: 0;
  display: block;
  height: auto;
  margin: 0;
  max-width: 100%;
  width: 100%;
}

/* Apply the same palette in the article and the enlarged image dialog. */
img[data-guide-tone="warm"] {
  filter: url("/assets/images/common/security-guide-tone.svg#warm");
}
.sa-security-article .sa-illustrated-diagram > :is(.sa-dg-title, .sa-dg-deck) {
  clip-path: inset(50%);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
  white-space: nowrap;
  width: 1px;
}
.sa-security-article .sa-artwork-link {
  display: block;
  text-align: right;
  text-decoration: none;
}
.sa-security-article .sa-artwork-link:hover { text-decoration: none; }
.sa-security-article .sa-artwork-zoom {
  display: inline-block;
  font-size: 13px;
  line-height: 1.8;
  padding: 10px 0 12px;
}
.sa-security-article .sa-diagram-text {
  background: linear-gradient(110deg, rgb(var(--sky-rgb) / .09), var(--white) 65%, rgb(var(--pink-rgb) / .055));
  border-block: 1px solid var(--line);
  margin: 0;
}
.sa-security-article .sa-diagram-text > summary {
  color: var(--ink);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.8;
  min-height: 48px;
  padding: 12px 16px;
}
.sa-security-article .sa-diagram-text .sa-dg-content {
  font-size: 14px;
  line-height: 1.85;
  padding: 0 16px 20px;
}
.sa-security-article .sa-diagram-text :is(ul, ol) {
  background: transparent;
  border: 0;
  display: block;
  margin: 12px 0;
  max-width: none;
  padding: 0 0 0 1.4em;
}
.sa-security-article .sa-diagram-text li { font-size: inherit; line-height: inherit; margin: 12px 0; }
.sa-security-article .sa-diagram-text p { font-size: inherit; line-height: inherit; margin: 8px 0; }
.sa-security-article .sa-diagram-text :is(.sa-dg-node-title, .sa-dg-stage-title, .sa-dg-section-label, .sa-dg-direction, .sa-dg-endpoint, .sa-dg-path-label) {
  color: var(--ink);
  font-weight: 500;
}
.sa-security-article .sa-diagram-text :is(.sa-dg-stage-title, .sa-dg-section-label) { margin-top: 20px; }
.sa-security-article .sa-diagram-text .sa-dg-panel + .sa-dg-panel { border-top: 1px solid var(--line); margin-top: 20px; padding-top: 8px; }
.sa-security-article .sa-diagram-text .sa-dg-exchange { border-left: 2px solid var(--sky); margin-top: 10px; padding-left: 12px; }
.sa-security-article .sa-diagram-text .sa-dg-note { color: var(--ink-soft); font-size: 13px; }
.sa-security-article .sa-illustrated-diagram .sa-dg-caption { color: var(--ink-soft); font-size: 14px; line-height: 1.8; margin: 18px 0 10px; }
.sa-security-article .sa-illustrated-diagram .sa-dg-sources { color: var(--ink-soft); font-size: 13px; line-height: 1.8; margin: 10px 0 0; }
.sa-security-article .sa-illustrated-diagram .sa-dg-sources a { text-decoration: none; }
@media (max-width: 680px) {
  .sa-security-article .table-horizontal .article-table thead th:first-child { width: 7.2rem; }
  .sa-security-article .asset-t13 .article-table thead th:first-child { width: 8rem; }
  .sa-security-article .sa-diagram-text > summary { padding-inline: 12px; }
  .sa-security-article .sa-diagram-text .sa-dg-content { padding-inline: 12px; }
}

@media (max-width: 680px) {
  .sa-security-article .sa-reading-nav { column-gap: 12px; row-gap: 4px; padding-block: 8px; }
  .sa-security-article .sa-reading-nav a { font-size: 13px; }
}
@media print {
  .sa-security-article .sa-reading-nav { display: none; }
  .sa-security-article .table-scroll { overflow: visible; }
  .sa-security-article .article-table { min-width: 0 !important; font-size: 8pt; }
}

/* Editorial presentation: existing blog boxes, complete text, separate sources. */
.sa-security-article { container: security-guide / inline-size; }
.sa-security-article a {
  outline: 2px solid transparent;
  outline-offset: 3px;
  transition: opacity var(--sa-motion-duration) var(--sa-motion-ease),
    color var(--sa-motion-duration) var(--sa-motion-ease),
    text-decoration-color var(--sa-motion-duration) var(--sa-motion-ease),
    outline-color var(--sa-motion-duration) var(--sa-motion-ease);
}
.sa-security-article a:hover { opacity: .7; color: var(--green-text); }
.sa-security-article :is(ul, ol, nav, .sa-source-line) a,
.sa-security-article :is(ul, ol, nav, .sa-source-line) a:hover { text-decoration: none; }
.sa-security-article .sa-chapter-navigation a,
.sa-security-article .sa-chapter-navigation a:hover { text-decoration: none; }
.sa-security-article .sa-chapter-navigation { font-size: 14px; line-height: 1.9; }
.sa-security-article .sa-source-line {
  color: var(--ink-soft);
  display: block;
  font-size: 13px;
  font-weight: 400;
  line-height: 1.75;
  margin-top: 14px;
}
.sa-security-article .sa-source-line a { font-size: inherit; line-height: inherit; }
.sa-security-article p:has(> [data-presentation="box"]) { margin-block: 36px; }
.sa-security-article .sa-paragraph-lead {
  color: var(--ink);
  display: block;
  margin-bottom: 12px;
}
.sa-security-article .sa-reading-paragraph { display: block; }
.sa-security-article .sa-reading-paragraph + .sa-reading-paragraph { margin-top: 1.05em; }
.sa-security-article .sa-inline-emphasis {
  background: linear-gradient(transparent 65%, rgb(var(--sky-rgb) / .3) 65%, rgb(var(--pink-rgb) / .2));
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}
.sa-security-article [data-presentation="box"] .sa-source-line {
  border-top: 1px solid rgb(var(--sky-rgb) / .24);
  padding-top: 12px;
}
.sa-security-article .sa-reading-item {
  margin: 24px 0;
}
.sa-security-article .sa-reading-item > p { margin-bottom: 0; }
.sa-security-article .sa-reading-item-title {
  border: 0;
  color: var(--ink);
  font-weight: 500;
  line-height: 1.55;
  margin: 0 0 16px;
  padding: 0;
}
.sa-security-article .sa-reading-item-title::after {
  background: linear-gradient(90deg, var(--sky), var(--pink));
  content: "";
  display: block;
  height: 2px;
  margin-top: 10px;
  width: 44px;
}
.sa-security-article .sa-answer-lead {
  background: linear-gradient(120deg, rgb(var(--sky-rgb) / .12), rgb(var(--pink-rgb) / .07));
  border-left: 3px solid var(--sky);
  color: var(--ink);
  display: block;
  font-weight: 500;
  margin-bottom: 18px;
  padding: 14px 18px;
}
.sa-security-article .sa-faq-answer { margin-bottom: 32px; }
.sa-security-article .sa-chapter > .sa-nav-heading + ul { gap: 0; grid-template-columns: minmax(0, 1fr); list-style: none; padding: 8px 20px; }
.sa-security-article .sa-chapter > .sa-nav-heading + ul > li { margin: 0; padding: 0; }
.sa-security-article .sa-chapter > .sa-nav-heading + ul > li + li { border-top: 1px solid rgb(var(--sky-rgb) / .25); }
.sa-security-article .sa-chapter > .sa-nav-heading + ul a {
  align-items: center;
  color: var(--ink);
  display: flex;
  gap: 12px;
  line-height: 1.7;
  justify-content: space-between;
  min-height: 48px;
  padding: 14px 8px;
  text-decoration: none;
}
.sa-security-article .sa-chapter > .sa-nav-heading + ul a::after {
  color: var(--green-text);
  content: "↓";
  flex: none;
  transition: transform var(--sa-motion-duration) var(--sa-motion-ease);
}
.sa-security-article .sa-chapter > .sa-nav-heading + ul a:hover::after { transform: translateY(3px); }
.sa-security-article .sa-chapter > .sa-nav-heading + ul a:hover { background-color: rgb(var(--sky-rgb) / .09); }
.sa-security-article .sa-chapter > .sa-nav-heading + ul ul {
  border-left: 2px solid rgb(var(--sky-rgb) / .45);
  display: block;
  list-style: none;
  margin: 0 0 12px 8px;
  padding: 0 0 0 14px;
}
.sa-security-article .sa-chapter > .sa-nav-heading + ul ul li { margin: 0; padding: 0; }
.sa-security-article .sa-chapter > .sa-nav-heading + ul li::marker { content: ""; }
.sa-security-article .sa-chapter > .sa-nav-heading + ul a {
  transition: background-color var(--sa-motion-duration) var(--sa-motion-ease),
    opacity var(--sa-motion-duration) var(--sa-motion-ease), outline-color var(--sa-motion-duration) var(--sa-motion-ease);
}

/* Both indexes use the site's 420ms easing, including reversal during a click. */
.sa-animated-details > summary {
  align-items: center;
  cursor: pointer;
  display: flex;
  gap: 10px;
  list-style: none;
  outline: 2px solid transparent;
  outline-offset: 3px;
  transition: opacity var(--sa-motion-duration) var(--sa-motion-ease),
    color var(--sa-motion-duration) var(--sa-motion-ease),
    outline-color var(--sa-motion-duration) var(--sa-motion-ease),
    background-color var(--sa-motion-duration) var(--sa-motion-ease);
}
.sa-animated-details > summary::-webkit-details-marker { display: none; }
.sa-animated-details > summary::marker { content: ""; }
.sa-animated-details > summary::after {
  border-bottom: 1px solid currentColor;
  border-right: 1px solid currentColor;
  content: "";
  height: 6px;
  margin-left: auto;
  margin-right: 3px;
  transform: rotate(45deg);
  transition: transform var(--sa-motion-duration) var(--sa-motion-ease);
  width: 6px;
}
.sa-animated-details[data-expanded="true"] > summary::after,
.sa-animated-details:not([data-expanded])[open] > summary::after { transform: rotate(225deg); }
.sa-animated-details > summary:hover { opacity: .7; }
.sa-security-article .sa-full-toc summary { min-height: 38px; padding: 8px 0; width: auto; }
.sa-security-article .sa-full-toc .sa-accordion-content > ul {
  background: var(--white);
  border: 0;
  border-left: 2px solid var(--sky);
  gap: 0;
  list-style: none;
  margin: 8px 0 4px;
  padding: 8px 16px;
}
.sa-security-article .sa-full-toc .sa-accordion-content > ul > li { padding: 0; }
.sa-security-article .sa-full-toc .sa-accordion-content a {
  color: var(--ink-soft);
  display: block;
  padding: 7px 0 7px 1.05em;
  position: relative;
  text-decoration: none;
}
.sa-security-article .sa-full-toc .sa-accordion-content a::before {
  background: var(--green);
  border-radius: 50%;
  content: "";
  height: .4em;
  left: 0;
  position: absolute;
  top: calc(7px + .8em);
  transform: translateY(-50%);
  width: .4em;
}
.sa-security-article .sa-full-toc .sa-accordion-content a:hover { text-decoration: none; }
.sa-accordion-content { min-height: 0; }

/* The sidebar and mobile chapter index share components/ArticleToc. */

/* Native disclosure animation remains available before hydration / without JS. */
@supports (interpolate-size: allow-keywords) {
  .sa-animated-details:not([data-expanded]) { interpolate-size: allow-keywords; }
  .sa-animated-details:not([data-expanded])::details-content {
    block-size: 0;
    content-visibility: hidden;
    overflow: clip;
    transition: block-size var(--sa-motion-duration) var(--sa-motion-ease),
      content-visibility var(--sa-motion-duration) allow-discrete;
  }
  .sa-animated-details:not([data-expanded])[open]::details-content { block-size: auto; content-visibility: visible; }
}
@media (prefers-reduced-motion: reduce) {
  .sa-security-article, .sa-guide-toc { --sa-motion-duration: 140ms; }
}
@media (max-width: 680px) {
  .sa-security-article .sa-source-line { font-size: 12px; }
  .sa-security-article .sa-reading-item { margin-block: 20px; }
  .sa-security-article .sa-answer-lead { padding: 12px 14px; }
}

/* Chapter spacing follows the ordinary blog; headings use its shared type scale. */
.sa-security-article .sa-chapter-number { margin-top: var(--blog-h2-space); }
.sa-security-article h4:not(.sa-reading-item-title) {
  background: linear-gradient(110deg, rgb(var(--sky-rgb) / .11), rgb(var(--pink-rgb) / .045));
  border-left: 3px solid var(--sky);
  color: var(--ink);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.8;
  margin: clamp(44px, 5vw, 64px) 0 22px;
  padding: 12px 16px;
}
.sa-security-article h5 {
  border-left: 2px solid var(--pink);
  color: var(--ink);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.8;
  margin: clamp(36px, 4vw, 48px) 0 18px;
  padding-left: 14px;
}
.sa-security-article .sa-reading-item { margin-block: clamp(36px, 4vw, 52px); }

.sa-security-article .sa-cta-connected + .sa-cta-status { margin-top: 12px; }

/* Each destination is a separate hit area, not punctuation-separated prose. */
.sa-security-article .sa-purpose-nav {
  background: transparent;
  border: 0;
  display: grid;
  gap: 26px;
  list-style: none;
  margin-block: 24px 44px;
  padding: 0;
}
.sa-security-article .sa-purpose-group {
  background: linear-gradient(120deg, rgb(var(--sky-rgb) / .085), var(--white) 65%, rgb(var(--pink-rgb) / .045));
  border: 1px solid var(--line);
  padding: clamp(16px, 2vw, 22px);
}
.sa-security-article .sa-purpose-title {
  border-left: 3px solid var(--sky);
  color: var(--ink);
  display: block;
  line-height: 1.75;
  margin-bottom: 16px;
  padding-left: 12px;
}
.sa-security-article .sa-destination-link {
  align-items: center;
  background: var(--white);
  border: 1px solid var(--line);
  color: var(--green-text);
  display: flex;
  gap: 12px;
  justify-content: space-between;
  line-height: 1.65;
  min-height: 48px;
  padding: 12px 14px;
  text-decoration: none;
  transition: background-color var(--sa-motion-duration) var(--sa-motion-ease),
    opacity var(--sa-motion-duration) var(--sa-motion-ease), outline-color var(--sa-motion-duration) var(--sa-motion-ease);
}
.sa-security-article .sa-destination-link + .sa-destination-link { margin-top: 8px; }
.sa-security-article .sa-destination-link::after {
  color: var(--green-text);
  content: "↓";
  flex: none;
  transition: transform var(--sa-motion-duration) var(--sa-motion-ease);
}
.sa-security-article .sa-destination-link[href^="https:"]::after { content: "↗"; }
.sa-security-article .sa-destination-link:hover { background-color: var(--surface-blue); text-decoration: none; }
.sa-security-article .sa-destination-link:hover::after { transform: translateY(3px); }
.sa-security-article .sa-table-destinations { min-width: 10rem; }
.sa-security-article .sa-table-destinations .sa-destination-link { font-size: 14px; padding: 10px; }
.sa-security-article .sa-role-list { gap: 0; }
.sa-security-article .sa-role-item + .sa-role-item { border-top: 1px solid var(--line); margin-top: 18px; padding-top: 18px; }
.sa-security-article .sa-role-label { color: var(--ink); display: block; margin-bottom: 8px; }

/* Dragging is optional; selection, links, touch and keyboard remain available. */
.sa-security-article .table-scroll { transition: box-shadow var(--sa-motion-duration) var(--sa-motion-ease); }
.sa-security-article .table-scroll[data-draggable="true"] { cursor: grab; }
.sa-security-article .table-scroll[data-dragging="true"] { cursor: grabbing; box-shadow: inset 0 0 0 2px var(--sky); }
.sa-security-article .table-scroll[data-dragging="true"] * { cursor: grabbing; user-select: none; }
.sa-security-article .table-scroll[data-selecting="true"] { cursor: text; user-select: text; }
.sa-security-article .sa-table-mouse-controls { display: none; }
.sa-security-article .sa-table-hint[data-mouse-scroll="true"] .sa-table-mouse-controls {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-bottom: 4px;
}
.sa-security-article .sa-table-select-toggle {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--ink);
  cursor: pointer;
  flex: none;
  font: inherit;
  min-height: 36px;
  padding: 5px 12px;
  transition: background-color var(--sa-motion-duration) var(--sa-motion-ease), opacity var(--sa-motion-duration) var(--sa-motion-ease);
}
.sa-security-article .sa-table-select-toggle[aria-pressed="true"] { background: var(--surface-blue); }
.sa-security-article .sa-table-select-toggle:hover { opacity: .7; }
.sa-security-article .sa-table-select-toggle:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }

/* One native modal for the mobile index and full-resolution artwork. */
.sa-guide-dialog {
  --sa-motion-duration: 420ms;
  --sa-motion-ease: cubic-bezier(.4, 0, .3, 1);
  background: transparent;
  border: 0;
  color: var(--ink);
  height: 100dvh;
  inset: 0;
  margin: 0;
  max-height: none;
  max-width: none;
  overflow: hidden;
  padding: clamp(16px, 4vw, 48px);
  width: 100%;
}
.sa-guide-dialog[open] { align-items: center; display: flex; justify-content: center; }
.sa-guide-dialog::backdrop { background: rgb(var(--ink-rgb) / .64); }
.sa-guide-dialog[open]::backdrop { animation: sa-guide-fade-in var(--sa-motion-duration) var(--sa-motion-ease) both; }
.sa-guide-dialog[data-phase="closing"]::backdrop { animation-name: sa-guide-fade-out; }
.sa-guide-dialog-panel {
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 20px 80px rgb(24 36 56 / .2);
  display: flex;
  flex-direction: column;
  max-height: 100%;
  min-height: 0;
  min-width: 0;
  overflow: hidden;
  width: min(100%, 1200px);
  animation: sa-guide-panel-in var(--sa-motion-duration) var(--sa-motion-ease) both;
}
.sa-guide-dialog[data-phase="closing"] .sa-guide-dialog-panel { animation-name: sa-guide-panel-out; }
.sa-guide-dialog[data-view="toc"] .sa-guide-dialog-panel { height: min(760px, 100%); max-width: 520px; }
.sa-guide-dialog-header {
  align-items: center;
  border-bottom: 2px solid var(--mint);
  display: flex;
  flex: none;
  gap: 12px;
  justify-content: space-between;
  padding: 16px 20px;
}
.sa-guide-dialog-header p { font-size: 17px; font-weight: 500; line-height: 1.6; margin: 0; }
.sa-guide-dialog button:not([data-article-toc-toggle]) {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--ink);
  cursor: pointer;
  flex: none;
  font: inherit;
  font-size: 14px;
  min-height: 44px;
  padding: 8px 12px;
  transition: background-color var(--sa-motion-duration) var(--sa-motion-ease), opacity var(--sa-motion-duration) var(--sa-motion-ease);
}
.sa-guide-dialog button:not([data-article-toc-toggle]):hover { background: var(--surface-blue); opacity: .7; }
.sa-guide-dialog button:not([data-article-toc-toggle])[aria-pressed="true"] { background: var(--surface-blue); }
.sa-guide-dialog :is(button, a, [tabindex]):focus-visible { outline: 2px solid var(--ink); outline-offset: -2px; }
.sa-guide-close { align-items: center; display: flex; gap: 12px; }
.sa-guide-close span { font-size: 23px; line-height: 1; }
.sa-guide-mobile-toc { display: flex; min-height: 0; padding: 20px; }
.sa-guide-mobile-toc > .sa-guide-toc { width: 100%; }
.sa-guide-lightbox { display: flex; flex-direction: column; min-height: 0; }
.sa-guide-image-tools { align-items: center; display: flex; flex: none; gap: 12px; justify-content: space-between; padding: 12px 20px; }
.sa-guide-image-tools p { color: var(--ink-soft); font-size: 12px; line-height: 1.65; margin: 0; }
.sa-guide-image-viewport { min-height: 0; overflow: auto; overscroll-behavior: contain; padding: 12px; }
.sa-guide-image-viewport img {
  display: block;
  height: auto;
  margin-inline: auto;
  max-width: none;
  width: min(100%, calc((100dvh - 300px) * var(--sa-image-ratio, 1.5)));
  transition: width var(--sa-motion-duration) var(--sa-motion-ease);
}
.sa-guide-image-viewport[data-zoomed="true"] img { width: 180%; }
.sa-guide-dialog [hidden] { display: none; }
.sa-guide-toc-trigger {
  align-items: center;
  background: var(--white);
  border: 1px solid var(--sky);
  border-radius: 999px;
  bottom: calc(22px + env(safe-area-inset-bottom));
  box-shadow: 0 6px 24px rgb(24 36 56 / .14);
  color: var(--ink);
  display: none;
  font-size: 14px;
  font-weight: 500;
  gap: 10px;
  line-height: 1.5;
  min-height: 48px;
  padding: 12px 20px;
  position: fixed;
  right: clamp(16px, 4vw, 28px);
  text-decoration: none;
  transition: opacity 420ms ease, background-color 420ms ease, box-shadow 420ms ease;
  z-index: 35;
}
.sa-guide-toc-trigger:hover { background: var(--surface-blue); opacity: .7; text-decoration: none; }
.sa-guide-toc-trigger:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }
.sa-guide-menu-icon { display: grid; gap: 4px; width: 16px; }
.sa-guide-menu-icon i { background: currentColor; display: block; height: 1px; }
@media (max-width: 1023px) { .sa-guide-toc-trigger { display: flex; } }
@media (max-width: 480px) {
  .sa-guide-dialog { padding: max(16px, env(safe-area-inset-top)) 12px max(20px, env(safe-area-inset-bottom)); }
  .sa-guide-dialog-header { padding: 12px 16px; }
  .sa-guide-mobile-toc { padding: 16px; }
  .sa-guide-image-tools { align-items: flex-start; flex-direction: column; padding: 12px 16px; }
}
@media (prefers-reduced-motion: reduce) {
  .sa-guide-dialog { --sa-motion-duration: 140ms; }
  .sa-guide-toc-trigger { transition-duration: 140ms; }
}
@media print { .sa-guide-toc-trigger, .sa-guide-dialog { display: none; } }
@keyframes sa-guide-fade-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes sa-guide-fade-out { from { opacity: 1; } to { opacity: 0; } }
@keyframes sa-guide-panel-in { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }
@keyframes sa-guide-panel-out { from { opacity: 1; transform: translateY(0); } to { opacity: 0; transform: translateY(16px); } }