:root {
  --xzd-primary: #2563eb;
  --xzd-primary-strong: #1d4ed8;
  --xzd-success: #15803d;
  --xzd-page: #f8fafc;
  --xzd-surface: #ffffff;
  --xzd-surface-alt: #f1f5f9;
  --xzd-text: #0f172a;
  --xzd-text-soft: #334155;
  --xzd-muted: #64748b;
  --xzd-line: #e2e8f0;
  --xzd-line-strong: #cbd5e1;
  --xzd-footer: #0f172a;
  --xzd-radius: 6px;
  --xzd-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
  --xzd-container: 1220px;
  --xzd-header-height: 72px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  letter-spacing: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--xzd-text);
  background: var(--xzd-page);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
}

body.xzd-menu-open {
  overflow: hidden;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  color: var(--xzd-primary);
}

button,
input,
select,
textarea {
  color: inherit;
  font: inherit;
}

button,
select {
  cursor: pointer;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(37, 99, 235, 0.28);
  outline-offset: 2px;
}

button:disabled,
input:disabled {
  cursor: not-allowed;
  opacity: 0.58;
}

h1,
h2,
h3,
h4,
p,
ul,
ol {
  margin-top: 0;
}

h1,
h2,
h3,
h4 {
  color: var(--xzd-text);
  line-height: 1.25;
}

h1 {
  font-size: 40px;
}

h2 {
  font-size: 28px;
}

h3 {
  font-size: 20px;
}

.screen-reader-text {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.screen-reader-text:focus {
  position: fixed;
  z-index: 1000;
  top: 8px;
  left: 8px;
  width: auto;
  height: auto;
  padding: 12px 16px;
  clip: auto;
  color: var(--xzd-text);
  background: var(--xzd-surface);
}

.xzd-skip-link {
  position: fixed;
  z-index: 1000;
  top: -80px;
  left: 16px;
  padding: 10px 16px;
  color: var(--xzd-surface);
  background: var(--xzd-primary);
  border-radius: var(--xzd-radius);
}

.xzd-skip-link:focus {
  top: 12px;
}

.xzd-icon {
  flex: 0 0 auto;
}

.xzd-container {
  width: min(var(--xzd-container), calc(100% - 48px));
  margin-inline: auto;
}

.xzd-main {
  min-height: 62vh;
}

.xzd-band {
  padding: 48px 0;
  background: var(--xzd-surface);
}

.xzd-band--muted {
  background: var(--xzd-page);
}

.xzd-reading-progress {
  position: fixed;
  z-index: 120;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  pointer-events: none;
}

.xzd-reading-progress span {
  display: block;
  width: 0;
  height: 100%;
  background: var(--xzd-primary);
}

.xzd-header {
  position: sticky;
  z-index: 100;
  top: 0;
  min-height: var(--xzd-header-height);
  background: rgba(255, 255, 255, 0.98);
  border-bottom: 1px solid var(--xzd-line);
}

.xzd-header__inner {
  display: flex;
  align-items: center;
  width: min(var(--xzd-container), calc(100% - 48px));
  min-height: var(--xzd-header-height);
  margin-inline: auto;
  gap: 24px;
}

.xzd-brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 10px;
  min-width: 156px;
  color: var(--xzd-text);
  font-size: 23px;
  font-weight: 800;
  line-height: 1;
}

.xzd-brand__mark {
  display: inline-grid;
  width: 38px;
  height: 38px;
  place-items: center;
  color: var(--xzd-surface);
  background: var(--xzd-primary);
  border-radius: var(--xzd-radius);
}

.xzd-brand__image {
  width: auto;
  max-width: 220px;
  max-height: 48px;
}

.xzd-nav {
  flex: 1 1 auto;
  min-width: 0;
}

.xzd-nav__list,
.xzd-nav .menu {
  display: flex;
  align-items: stretch;
  justify-content: center;
  min-height: var(--xzd-header-height);
  padding: 0;
  margin: 0;
  list-style: none;
}

.xzd-nav__item,
.xzd-nav .menu-item {
  position: relative;
  display: flex;
  align-items: center;
}

.xzd-nav__item > a,
.xzd-nav .menu-item > a {
  display: inline-flex;
  align-items: center;
  min-height: var(--xzd-header-height);
  padding: 0 12px;
  color: var(--xzd-text-soft);
  font-size: 14px;
  font-weight: 650;
  white-space: nowrap;
  border-bottom: 3px solid transparent;
}

.xzd-nav__item > a:hover,
.xzd-nav .menu-item > a:hover,
.xzd-nav .current-menu-item > a,
.xzd-nav .current-menu-ancestor > a {
  color: var(--xzd-primary);
  border-bottom-color: var(--xzd-primary);
}

.xzd-nav__dropdown,
.xzd-nav .sub-menu {
  position: absolute;
  top: calc(100% - 1px);
  left: 0;
  display: none;
  width: 220px;
  padding: 8px;
  margin: 0;
  list-style: none;
  background: var(--xzd-surface);
  border: 1px solid var(--xzd-line);
  border-radius: var(--xzd-radius);
  box-shadow: var(--xzd-shadow);
}

.xzd-nav__dropdown a,
.xzd-nav .sub-menu a {
  display: block;
  min-height: 40px;
  padding: 8px 12px;
  color: var(--xzd-text-soft);
  border-radius: 4px;
}

.xzd-nav__dropdown a:hover,
.xzd-nav .sub-menu a:hover {
  color: var(--xzd-primary);
  background: var(--xzd-surface-alt);
}

.xzd-nav__item:hover > .xzd-nav__dropdown,
.xzd-nav__item:focus-within > .xzd-nav__dropdown,
.xzd-nav .menu-item:hover > .sub-menu,
.xzd-nav .menu-item:focus-within > .sub-menu {
  display: block;
}

.xzd-header__tools {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 4px;
}

.xzd-icon-button {
  display: inline-grid;
  width: 44px;
  height: 44px;
  padding: 0;
  place-items: center;
  color: var(--xzd-text);
  background: transparent;
  border: 0;
  border-radius: var(--xzd-radius);
}

.xzd-icon-button:hover,
.xzd-icon-button[aria-expanded="true"] {
  color: var(--xzd-primary);
  background: var(--xzd-surface-alt);
}

.xzd-menu-toggle {
  display: none;
}

.xzd-search-panel {
  padding: 16px 0;
  background: var(--xzd-surface);
  border-top: 1px solid var(--xzd-line);
}

.xzd-search-panel[hidden],
.xzd-mobile-nav[hidden] {
  display: none;
}

.xzd-search-form {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
  gap: 8px;
}

.xzd-search-form__icon {
  position: absolute;
  z-index: 1;
  left: 14px;
  display: grid;
  color: var(--xzd-muted);
}

.xzd-search-form__input {
  width: 100%;
  height: 44px;
  min-width: 0;
  padding: 0 14px 0 44px;
  background: var(--xzd-surface);
  border: 1px solid var(--xzd-line-strong);
  border-radius: var(--xzd-radius);
}

.xzd-search-form__input:focus {
  border-color: var(--xzd-primary);
}

.xzd-search-suggestions {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  padding: 12px;
  margin-top: 8px;
  background: var(--xzd-page);
  border: 1px solid var(--xzd-line);
  border-radius: var(--xzd-radius);
}

.xzd-search-suggestions a {
  min-width: 0;
  padding: 8px 10px;
  overflow: hidden;
  color: var(--xzd-text-soft);
  text-overflow: ellipsis;
  white-space: nowrap;
  background: var(--xzd-surface);
  border: 1px solid var(--xzd-line);
  border-radius: 4px;
}

.xzd-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  border: 1px solid transparent;
  border-radius: var(--xzd-radius);
  transition: background 150ms ease, border-color 150ms ease, transform 100ms ease;
}

.xzd-search-form .xzd-button {
  min-width: 72px;
  padding-inline: 14px;
  white-space: nowrap;
}

.xzd-button:active {
  transform: scale(0.98);
}

.xzd-button--primary {
  color: var(--xzd-surface);
  background: var(--xzd-primary);
}

.xzd-button--primary:hover {
  color: var(--xzd-surface);
  background: var(--xzd-primary-strong);
}

.xzd-button--secondary {
  color: var(--xzd-primary);
  background: var(--xzd-surface);
  border-color: var(--xzd-primary);
}

.xzd-eyebrow {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  margin-bottom: 8px;
  color: var(--xzd-primary);
  font-size: 13px;
  font-weight: 750;
}

.xzd-home-hero {
  position: relative;
  min-height: 430px;
  color: var(--xzd-surface);
  background-color: #102348;
  background-image: url("../images/hero-cover.jpg");
  background-repeat: no-repeat;
  background-position: center right;
  background-size: cover;
}

.xzd-home-hero::before {
  position: absolute;
  inset: 0;
  content: "";
  background: rgba(15, 35, 72, 0.72);
}

.xzd-home-hero__inner {
  position: relative;
  display: flex;
  min-height: 430px;
  align-items: center;
}

.xzd-home-hero__content {
  width: min(680px, 100%);
  padding: 48px 0;
}

.xzd-home-hero .xzd-eyebrow,
.xzd-home-hero h1,
.xzd-home-hero p {
  color: var(--xzd-surface);
}

.xzd-home-hero h1 {
  max-width: 620px;
  margin-bottom: 16px;
}

.xzd-home-hero__content > p:not(.xzd-eyebrow) {
  max-width: 610px;
  margin-bottom: 24px;
  font-size: 18px;
}

.xzd-home-hero .xzd-search-form {
  max-width: 650px;
  padding: 12px;
  background: var(--xzd-surface);
  border-radius: var(--xzd-radius);
}

.xzd-home-hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 18px;
  font-size: 13px;
}

.xzd-home-hero__trust span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.xzd-band--categories {
  padding-top: 24px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--xzd-line);
}

.xzd-section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.xzd-section-heading h2 {
  margin-bottom: 0;
}

.xzd-section-heading > a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--xzd-primary);
  font-size: 14px;
  font-weight: 700;
}

.xzd-section-heading--compact {
  align-items: center;
  margin-bottom: 16px;
}

.xzd-section-heading--compact h2 {
  font-size: 18px;
}

.xzd-category-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.xzd-category-tile {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) 20px;
  min-height: 92px;
  padding: 16px;
  align-items: center;
  gap: 12px;
  background: var(--xzd-surface);
  border: 1px solid var(--xzd-line);
  border-radius: var(--xzd-radius);
  transition: border-color 150ms ease, transform 150ms ease, box-shadow 150ms ease;
}

.xzd-category-tile:hover {
  color: var(--xzd-text);
  border-color: rgba(37, 99, 235, 0.48);
  box-shadow: var(--xzd-shadow);
  transform: translateY(-1px);
}

.xzd-category-tile__icon {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  color: var(--xzd-primary);
  background: #eff6ff;
  border-radius: var(--xzd-radius);
}

.xzd-category-tile__body {
  min-width: 0;
}

.xzd-category-tile strong,
.xzd-category-tile small {
  display: block;
}

.xzd-category-tile strong {
  margin-bottom: 2px;
  font-size: 16px;
}

.xzd-category-tile small {
  overflow: hidden;
  color: var(--xzd-muted);
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.xzd-feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.xzd-article-card {
  min-width: 0;
  overflow: hidden;
  background: var(--xzd-surface);
  border: 1px solid var(--xzd-line);
  border-radius: var(--xzd-radius);
  transition: border-color 150ms ease, box-shadow 150ms ease, transform 150ms ease;
}

.xzd-article-card:hover {
  border-color: var(--xzd-line-strong);
  box-shadow: var(--xzd-shadow);
  transform: translateY(-1px);
}

.xzd-article-card__media {
  display: block;
  overflow: hidden;
  background: var(--xzd-surface-alt);
}

.xzd-article-card__media img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.xzd-article-card__body {
  min-width: 0;
  padding: 16px;
}

.xzd-article-card__title {
  margin: 0 0 8px;
  font-size: 18px;
}

.xzd-article-card__excerpt {
  display: -webkit-box;
  margin-bottom: 12px;
  overflow: hidden;
  color: var(--xzd-muted);
  font-size: 14px;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.xzd-article-card--featured {
  grid-column: span 2;
  grid-row: span 2;
}

.xzd-article-card--featured .xzd-article-card__title {
  font-size: 24px;
}

.xzd-article-card--compact .xzd-article-card__excerpt {
  display: none;
}

.xzd-article-card--horizontal {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  min-height: 176px;
}

.xzd-article-card--horizontal .xzd-article-card__media,
.xzd-article-card--horizontal .xzd-article-card__media img {
  height: 100%;
}

.xzd-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 5px 14px;
  color: var(--xzd-muted);
  font-size: 12px;
  line-height: 1.5;
}

.xzd-meta__item {
  display: inline-flex;
  min-height: 20px;
  align-items: center;
  gap: 5px;
}

.xzd-home-columns {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(280px, 1fr);
  gap: 32px;
  align-items: start;
}

.xzd-article-stream,
.xzd-home-aside,
.xzd-sidebar {
  display: grid;
  gap: 14px;
}

.xzd-question-list,
.xzd-quick-poll,
.xzd-sidebar__section {
  padding: 20px;
  background: var(--xzd-surface);
  border: 1px solid var(--xzd-line);
  border-radius: var(--xzd-radius);
}

.xzd-question-list ol,
.xzd-ranked-list {
  padding: 0;
  margin: 0;
  list-style: none;
  counter-reset: xzd-rank;
}

.xzd-question-list li,
.xzd-ranked-list li {
  position: relative;
  padding: 10px 0 10px 30px;
  border-bottom: 1px solid var(--xzd-line);
  counter-increment: xzd-rank;
}

.xzd-question-list li:last-child,
.xzd-ranked-list li:last-child {
  border-bottom: 0;
}

.xzd-question-list li::before,
.xzd-ranked-list li::before {
  position: absolute;
  top: 11px;
  left: 0;
  display: grid;
  width: 20px;
  height: 20px;
  place-items: center;
  color: var(--xzd-surface);
  font-size: 11px;
  font-weight: 800;
  content: counter(xzd-rank);
  background: var(--xzd-primary);
  border-radius: 4px;
}

.xzd-ranked-list time {
  display: block;
  color: var(--xzd-muted);
  font-size: 11px;
}

.xzd-quick-poll__options {
  display: grid;
  gap: 8px;
}

.xzd-quick-poll button,
.xzd-helpful button {
  min-height: 44px;
  padding: 8px 12px;
  color: var(--xzd-text-soft);
  background: var(--xzd-surface);
  border: 1px solid var(--xzd-line-strong);
  border-radius: var(--xzd-radius);
}

.xzd-status {
  min-height: 22px;
  margin: 8px 0 0;
  color: var(--xzd-success);
  font-size: 13px;
}

.xzd-breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 22px;
  color: var(--xzd-muted);
  font-size: 13px;
}

.xzd-breadcrumbs [aria-current="page"] {
  max-width: 440px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.xzd-page-header {
  padding: 44px 0;
}

.xzd-page-header h1 {
  max-width: 900px;
  margin-bottom: 16px;
}

.xzd-page-header__description {
  max-width: 820px;
  margin-bottom: 22px;
  color: var(--xzd-text-soft);
}

.xzd-page-header--inside {
  padding: 0 0 28px;
}

.xzd-topic-tabs,
.xzd-tag-list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.xzd-topic-tabs a,
.xzd-tag-list a {
  display: inline-flex;
  min-height: 36px;
  padding: 7px 12px;
  align-items: center;
  color: var(--xzd-text-soft);
  white-space: nowrap;
  background: var(--xzd-surface);
  border: 1px solid var(--xzd-line);
  border-radius: var(--xzd-radius);
}

.xzd-list-toolbar {
  display: flex;
  min-height: 52px;
  padding: 8px 12px;
  margin-bottom: 18px;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: var(--xzd-page);
  border: 1px solid var(--xzd-line);
  border-radius: var(--xzd-radius);
}

.xzd-list-toolbar p,
.xzd-sort-form {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-size: 14px;
}

.xzd-sort-form select {
  min-height: 38px;
  padding: 0 32px 0 10px;
  background: var(--xzd-surface);
  border: 1px solid var(--xzd-line-strong);
  border-radius: var(--xzd-radius);
}

.xzd-content-with-sidebar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 32px;
  align-items: start;
}

.xzd-sticky-enabled [data-sui-sticky-sidebar] {
  position: sticky;
  top: calc(var(--xzd-header-height) + 12px);
  align-self: start;
}

.xzd-sidebar__help {
  color: var(--xzd-text-soft);
  background: #eff6ff;
  border-color: #bfdbfe;
}

.xzd-sidebar__help h2 {
  margin: 10px 0 6px;
  font-size: 18px;
}

.xzd-tag-list {
  flex-wrap: wrap;
}

.xzd-pagination {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
  margin-top: 28px;
}

.xzd-pagination .page-numbers {
  display: inline-grid;
  min-width: 42px;
  height: 42px;
  padding: 0 8px;
  place-items: center;
  color: var(--xzd-text-soft);
  background: var(--xzd-surface);
  border: 1px solid var(--xzd-line);
  border-radius: var(--xzd-radius);
}

.xzd-pagination .current,
.xzd-pagination a:hover {
  color: var(--xzd-surface);
  background: var(--xzd-primary);
  border-color: var(--xzd-primary);
}

.xzd-article-shell {
  padding-top: 24px;
}

.xzd-article-layout {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr) 270px;
  gap: 28px;
  align-items: start;
}

.xzd-toc {
  padding: 14px;
  background: var(--xzd-surface);
  border: 1px solid var(--xzd-line);
  border-radius: var(--xzd-radius);
}

.xzd-toc summary {
  min-height: 40px;
  font-weight: 750;
  cursor: pointer;
}

.xzd-toc nav {
  display: grid;
  gap: 3px;
  padding-top: 8px;
}

.xzd-toc a {
  display: block;
  padding: 5px 8px;
  color: var(--xzd-muted);
  font-size: 12px;
  border-left: 2px solid transparent;
}

.xzd-toc a[data-level="3"] {
  padding-left: 18px;
}

.xzd-toc a:hover,
.xzd-toc a.is-active {
  color: var(--xzd-primary);
  background: #eff6ff;
  border-left-color: var(--xzd-primary);
}

.xzd-article {
  min-width: 0;
  padding: 28px;
  background: var(--xzd-surface);
  border: 1px solid var(--xzd-line);
  border-radius: var(--xzd-radius);
}

.xzd-article__header h1 {
  margin-bottom: 16px;
  font-size: 36px;
}

.xzd-article__lead {
  padding: 14px 16px;
  margin: 20px 0 0;
  color: var(--xzd-text-soft);
  background: var(--xzd-page);
  border-left: 3px solid var(--xzd-primary);
}

.xzd-article__hero {
  margin: 24px 0 30px;
}

.xzd-article__hero img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--xzd-radius);
}

.xzd-entry-content {
  color: var(--xzd-text-soft);
  font-size: 17px;
  line-height: 1.8;
}

.xzd-entry-content > * {
  max-width: 100%;
}

.xzd-entry-content h2,
.xzd-entry-content h3,
.xzd-entry-content h4 {
  scroll-margin-top: calc(var(--xzd-header-height) + 20px);
}

.xzd-entry-content h2 {
  padding-top: 18px;
  margin-top: 28px;
  margin-bottom: 16px;
  font-size: 26px;
}

.xzd-entry-content h3 {
  margin-top: 24px;
  margin-bottom: 12px;
  font-size: 20px;
}

.xzd-entry-content p,
.xzd-entry-content ul,
.xzd-entry-content ol {
  margin-bottom: 18px;
}

.xzd-entry-content a {
  color: var(--xzd-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.xzd-entry-content blockquote,
.xzd-entry-content .xzd-note {
  padding: 16px 18px;
  margin: 22px 0;
  color: var(--xzd-text-soft);
  background: #eff6ff;
  border: 0;
  border-left: 3px solid var(--xzd-primary);
}

.xzd-entry-content table {
  display: block;
  width: 100%;
  max-width: 100%;
  margin: 22px 0;
  overflow-x: auto;
  border-spacing: 0;
  border-collapse: collapse;
  border: 1px solid var(--xzd-line);
}

.xzd-entry-content th,
.xzd-entry-content td {
  min-width: 130px;
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
  border: 1px solid var(--xzd-line);
}

.xzd-entry-content th {
  color: var(--xzd-text);
  background: var(--xzd-surface-alt);
}

.xzd-article__tags {
  padding-top: 20px;
  margin-top: 24px;
  border-top: 1px solid var(--xzd-line);
}

.xzd-article-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 18px 0;
  margin-top: 24px;
  border-top: 1px solid var(--xzd-line);
  border-bottom: 1px solid var(--xzd-line);
}

.xzd-helpful {
  display: flex;
  flex: 1 1 260px;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

.xzd-helpful button {
  min-height: 38px;
  padding: 5px 10px;
}

.xzd-post-navigation {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  padding: 24px 0;
}

.xzd-post-navigation > div:last-child {
  text-align: right;
}

.xzd-related {
  padding-top: 18px;
  margin-top: 18px;
  border-top: 1px solid var(--xzd-line);
}

.xzd-related__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.xzd-comments {
  padding-top: 30px;
  margin-top: 30px;
  border-top: 1px solid var(--xzd-line);
}

.xzd-comment-list {
  padding: 0;
  list-style: none;
}

.xzd-comment-list .comment {
  padding: 16px;
  margin-bottom: 12px;
  background: var(--xzd-page);
  border: 1px solid var(--xzd-line);
  border-radius: var(--xzd-radius);
}

.xzd-comment-list .children {
  padding-left: 24px;
  list-style: none;
}

.comment-form {
  display: grid;
  gap: 14px;
}

.comment-form p {
  margin: 0;
}

.comment-form label {
  display: block;
  margin-bottom: 5px;
  font-weight: 650;
}

.comment-form input:not([type="submit"]),
.comment-form textarea {
  width: 100%;
  padding: 10px 12px;
  background: var(--xzd-surface);
  border: 1px solid var(--xzd-line-strong);
  border-radius: var(--xzd-radius);
}

.xzd-page-content {
  max-width: 940px;
}

.xzd-page-article {
  padding: 32px;
  background: var(--xzd-surface);
  border: 1px solid var(--xzd-line);
  border-radius: var(--xzd-radius);
}

.xzd-sitemap-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.xzd-sitemap-grid section,
.xzd-sitemap-pages {
  padding: 20px;
  background: var(--xzd-surface);
  border: 1px solid var(--xzd-line);
  border-radius: var(--xzd-radius);
}

.xzd-sitemap-grid h2,
.xzd-sitemap-pages h2 {
  font-size: 18px;
}

.xzd-sitemap-grid ul,
.xzd-sitemap-pages ul {
  padding: 0;
  margin: 0;
  list-style: none;
}

.xzd-sitemap-grid li,
.xzd-sitemap-pages li {
  border-top: 1px solid var(--xzd-line);
}

.xzd-sitemap-grid li a,
.xzd-sitemap-pages li a {
  display: flex;
  min-height: 42px;
  padding: 8px 0;
  align-items: center;
  justify-content: space-between;
}

.xzd-sitemap-pages {
  margin-top: 16px;
}

.xzd-empty-state {
  display: flex;
  min-height: 320px;
  padding: 36px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: var(--xzd-surface);
  border: 1px dashed var(--xzd-line-strong);
  border-radius: var(--xzd-radius);
}

.xzd-empty-state__icon,
.xzd-empty-state__code {
  color: var(--xzd-primary);
}

.xzd-empty-state__code {
  font-size: 54px;
  font-weight: 800;
}

.xzd-empty-state .xzd-search-form {
  width: min(620px, 100%);
  margin: 12px 0;
}

.xzd-footer {
  color: #cbd5e1;
  background: var(--xzd-footer);
}

.xzd-footer__grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(3, 1fr);
  gap: 40px;
  padding-top: 48px;
  padding-bottom: 40px;
}

.xzd-footer h2 {
  margin-bottom: 14px;
  color: var(--xzd-surface);
  font-size: 17px;
}

.xzd-footer p,
.xzd-footer address {
  color: #94a3b8;
  font-size: 14px;
  font-style: normal;
}

.xzd-footer address {
  display: grid;
  gap: 4px;
}

.xzd-footer ul {
  padding: 0;
  margin: 0;
  list-style: none;
}

.xzd-footer li {
  margin-bottom: 7px;
}

.xzd-footer a:hover {
  color: var(--xzd-surface);
}

.xzd-footer__bottom {
  display: flex;
  min-height: 64px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-top: 1px solid #1e293b;
}

.xzd-footer__bottom p {
  margin: 0;
  font-size: 12px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

@media (max-width: 1120px) {
  .xzd-nav__item > a,
  .xzd-nav .menu-item > a {
    padding-inline: 8px;
    font-size: 13px;
  }

  .xzd-category-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .xzd-article-layout {
    grid-template-columns: 170px minmax(0, 1fr);
  }

  .xzd-article-layout > .xzd-sidebar {
    grid-column: 2;
    position: static;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 980px) {
  :root {
    --xzd-header-height: 60px;
  }

  .xzd-container,
  .xzd-header__inner {
    width: min(100% - 32px, var(--xzd-container));
  }

  .xzd-nav--desktop {
    display: none;
  }

  .xzd-header__inner {
    justify-content: space-between;
  }

  .xzd-menu-toggle {
    display: inline-grid;
  }

  .xzd-mobile-nav {
    position: fixed;
    z-index: 99;
    top: var(--xzd-header-height);
    right: 0;
    bottom: 0;
    width: min(360px, 88vw);
    padding: 16px;
    overflow-y: auto;
    background: var(--xzd-surface);
    border-left: 1px solid var(--xzd-line);
    box-shadow: -100vw 0 0 rgba(15, 23, 42, 0.46);
  }

  .xzd-mobile-nav__list,
  .xzd-mobile-nav .menu,
  .xzd-mobile-nav .xzd-nav__list {
    display: grid;
    padding: 0;
    margin: 0;
    list-style: none;
  }

  .xzd-mobile-nav li {
    border-bottom: 1px solid var(--xzd-line);
  }

  .xzd-mobile-nav a {
    display: flex;
    min-height: 48px;
    padding: 10px 8px;
    align-items: center;
    font-weight: 700;
  }

  .xzd-mobile-nav .sub-menu,
  .xzd-mobile-nav .xzd-nav__dropdown {
    display: grid;
    padding: 0 0 10px 16px;
    margin: 0;
    list-style: none;
  }

  .xzd-mobile-nav .sub-menu a,
  .xzd-mobile-nav .xzd-nav__dropdown a {
    min-height: 44px;
    color: var(--xzd-muted);
    font-size: 14px;
    font-weight: 500;
  }

  .xzd-home-columns,
  .xzd-content-with-sidebar {
    grid-template-columns: 1fr;
  }

  .xzd-sidebar,
  .xzd-sticky-enabled [data-sui-sticky-sidebar] {
    position: static;
  }

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

  .xzd-article-layout {
    grid-template-columns: 1fr;
  }

  .xzd-article-layout > .xzd-toc {
    position: static;
    grid-row: 1;
  }

  .xzd-article-layout > .xzd-article {
    grid-row: 2;
  }

  .xzd-article-layout > .xzd-sidebar {
    grid-row: 3;
    grid-column: 1;
  }

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

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

@media (max-width: 760px) {
  :root {
    --xzd-header-height: 56px;
  }

  body {
    font-size: 15px;
  }

  h1 {
    font-size: 28px;
  }

  h2 {
    font-size: 22px;
  }

  .xzd-container,
  .xzd-header__inner {
    width: calc(100% - 32px);
  }

  .xzd-header__inner {
    min-height: var(--xzd-header-height);
    gap: 8px;
  }

  .xzd-brand {
    min-width: 0;
    font-size: 20px;
  }

  .xzd-brand__mark {
    width: 34px;
    height: 34px;
  }

  .xzd-brand__image {
    max-width: 160px;
    max-height: 38px;
  }

  .xzd-search-panel,
  .xzd-home-hero .xzd-search-form {
    padding: 8px 0;
  }

  .xzd-search-panel .xzd-search-form,
  .xzd-home-hero .xzd-search-form {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 76px;
  }

  .xzd-search-suggestions {
    grid-template-columns: 1fr;
  }

  .xzd-band {
    padding: 32px 0;
  }

  .xzd-home-hero,
  .xzd-home-hero__inner {
    min-height: 460px;
  }

  .xzd-home-hero {
    background-position: 58% center;
  }

  .xzd-home-hero::before {
    background: rgba(15, 35, 72, 0.8);
  }

  .xzd-home-hero__inner {
    align-items: flex-end;
  }

  .xzd-home-hero__content {
    padding: 40px 0 28px;
  }

  .xzd-home-hero h1 {
    font-size: 30px;
  }

  .xzd-home-hero__content > p:not(.xzd-eyebrow) {
    font-size: 16px;
  }

  .xzd-home-hero__trust {
    gap: 10px;
  }

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

  .xzd-category-tile {
    grid-template-columns: 36px minmax(0, 1fr);
    min-height: 82px;
    padding: 12px;
    gap: 8px;
  }

  .xzd-category-tile > .xzd-icon {
    display: none;
  }

  .xzd-category-tile__icon {
    width: 36px;
    height: 36px;
  }

  .xzd-category-tile small {
    white-space: normal;
  }

  .xzd-section-heading {
    align-items: flex-start;
  }

  .xzd-feature-grid {
    grid-template-columns: 1fr;
  }

  .xzd-article-card--featured {
    grid-column: auto;
    grid-row: auto;
  }

  .xzd-article-card--featured .xzd-article-card__title {
    font-size: 20px;
  }

  .xzd-article-card--horizontal {
    grid-template-columns: 124px minmax(0, 1fr);
    min-height: 132px;
  }

  .xzd-article-card--horizontal .xzd-article-card__body {
    padding: 12px;
  }

  .xzd-article-card--horizontal .xzd-article-card__title {
    display: -webkit-box;
    margin-bottom: 6px;
    overflow: hidden;
    font-size: 16px;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
  }

  .xzd-article-card--horizontal .xzd-article-card__excerpt,
  .xzd-article-card--horizontal .xzd-meta__item:nth-child(n + 3) {
    display: none;
  }

  .xzd-page-header {
    padding: 30px 0;
  }

  .xzd-page-header h1,
  .xzd-article__header h1 {
    font-size: 28px;
  }

  .xzd-breadcrumbs [aria-current="page"] {
    max-width: 220px;
  }

  .xzd-list-toolbar {
    align-items: flex-start;
  }

  .xzd-sort-form label {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
  }

  .xzd-article {
    padding: 20px 16px;
  }

  .xzd-entry-content {
    font-size: 16px;
  }

  .xzd-entry-content h2 {
    font-size: 22px;
  }

  .xzd-related__grid,
  .xzd-article-layout > .xzd-sidebar {
    grid-template-columns: 1fr;
  }

  .xzd-helpful {
    justify-content: flex-start;
  }

  .xzd-post-navigation {
    grid-template-columns: 1fr;
  }

  .xzd-post-navigation > div:last-child {
    text-align: left;
  }

  .xzd-page-article {
    padding: 22px 16px;
  }

  .xzd-sitemap-grid {
    grid-template-columns: 1fr;
  }

  .xzd-footer__grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .xzd-footer__bottom {
    padding: 16px 0;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 4px;
  }
}

@media (max-width: 420px) {
  .xzd-category-grid {
    grid-template-columns: 1fr;
  }

  .xzd-article-card--horizontal {
    grid-template-columns: 112px minmax(0, 1fr);
  }

  .xzd-article-actions > .xzd-button {
    flex: 1 1 130px;
  }

  .xzd-helpful {
    flex-basis: 100%;
    flex-wrap: wrap;
  }
}