/* Editorial learning desk: real materials, compact controls and aligned content. */
body.public-site {
  --site-text: #101d50;
  --site-muted: #486194;
  --site-faint: #486194;
  --site-blue: #155cca;
  --site-blue-hover: #104ca8;
  --site-width: 1480px;
  --site-gutter: clamp(20px, 4.4vw, 68px);
  color: var(--site-text);
  background: #f6faff;
  font-family:
    'PingFang SC', 'Hiragino Sans', 'Noto Sans SC', system-ui, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.public-site *,
.public-site *::before,
.public-site *::after {
  box-sizing: border-box;
}
.public-site [hidden] {
  display: none !important;
}
.public-site a {
  text-underline-offset: 4px;
}
.public-site ::selection {
  color: #101d50;
  background: #d3e6ff;
}
.public-site :focus-visible {
  outline: 2px solid #155cca;
  outline-offset: 4px;
}
.public-site svg {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}
.public-site a {
  transition:
    background-color 160ms ease,
    color 160ms ease;
}
.public-site .site-header {
  width: 100%;
  min-height: 68px;
  padding: 10px var(--site-gutter);
  background: #f8fcff;
  border: 0;
  box-shadow: none;
  backdrop-filter: none;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 30px;
  position: relative;
  z-index: 5;
}
.public-site .brand {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: flex-start;
  color: var(--site-text);
}
.public-site .brand img {
  border-radius: 12px;
  width: 42px;
  height: 42px;
}
.public-site .brand span {
  display: grid;
  gap: 1px;
}
.public-site .brand strong {
  font-size: 23px;
  line-height: 1.25;
  color: var(--site-text);
}
.public-site .brand small {
  font-size: 13px;
  line-height: 1.4;
  color: var(--site-muted);
  letter-spacing: 0.02em;
}
.public-site .site-header > nav {
  display: flex;
  gap: 36px;
}
.public-site .site-header > nav a {
  font-size: 17px;
  font-weight: 600;
  color: var(--site-muted);
  padding: 12px 0;
  border: 0;
  white-space: nowrap;
}
.public-site .site-header > nav a[aria-current='page'] {
  color: var(--site-text);
  box-shadow: 0 3px 0 #101d50;
}
.language-dropdown {
  justify-self: end;
  position: relative;
}
.language-dropdown summary {
  display: flex;
  align-items: center;
  gap: 9px;
  cursor: pointer;
  list-style: none;
  padding: 10px 12px;
  min-height: 44px;
  border-radius: 6px;
  color: var(--site-muted);
  font-size: 14px;
  font-weight: 600;
}
.language-dropdown summary:hover,
.language-dropdown[open] summary {
  background: #e7f1ff;
}
.language-dropdown summary svg {
  width: 16px;
  height: 16px;
}
.language-dropdown summary::-webkit-details-marker {
  display: none;
}
.public-site .language-dropdown .locale-switch {
  position: absolute;
  top: 100%;
  right: 0;
  margin: 8px 0 0;
  padding: 6px;
  display: grid;
  min-width: 136px;
  gap: 2px;
  justify-content: stretch;
  align-items: stretch;
  background: #fff;
  border: 1px solid #cbdcef;
  border-radius: 12px;
  box-shadow: 0 8px 24px #101d5014;
}
.public-site .language-dropdown .locale-switch a {
  padding: 10px 14px;
  border: 0;
  border-radius: 6px;
  text-align: left;
  min-height: 44px;
  font-size: 14px;
  line-height: 24px;
  text-decoration: none;
  color: var(--site-muted);
}
.public-site .locale-switch a:hover,
.public-site .locale-switch a[aria-current] {
  background: #e7f1ff;
  color: var(--site-blue);
}
.public-site .site-footer {
  width: min(100%, 1616px);
  margin: auto auto 0;
  padding: 24px var(--site-gutter);
  background: none;
  border: 0;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 40px;
  font-size: 14px;
  color: var(--site-muted);
}
.public-site .site-footer nav {
  display: flex;
  gap: 36px;
}
.public-site .site-footer p {
  display: block;
  margin: 0;
}
.design-container,
.public-site .bookshelf {
  width: min(100%, 1616px);
  margin-inline: auto;
  padding-inline: var(--site-gutter);
}
.public-site .page-shell {
  width: min(100%, 1400px);
}
.public-site .page-intro,
.public-site .shelf-intro {
  display: block;
  padding: 36px 0 24px;
  margin: 0;
}
.public-site .page-intro h1,
.public-site .shelf-intro h1 {
  color: var(--site-text);
  font-size: clamp(32px, 3.1vw, 48px);
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin: 0 0 10px;
}
.public-site .page-intro p,
.public-site .shelf-intro p {
  color: var(--site-muted);
  font-size: 19px;
  margin: 0;
  line-height: 1.6;
}
.design-icon {
  width: 54px;
  height: 54px;
  flex-shrink: 0;
  background: #e4f1ff;
  color: #0761dc;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.design-icon svg {
  width: 29px;
  height: 29px;
}
.public-site .button.primary,
.public-site .home-primary-action {
  background: #1c5abd;
  color: #fff;
  border: 0;
  border-radius: 12px;
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  font-weight: 600;
  padding: 12px 24px;
}
.public-site .button.primary:hover,
.public-site .home-primary-action:hover {
  background: #154b9e;
}
.public-site .home {
  display: block;
  width: 100%;
  margin: 0;
  min-height: 0;
}
.public-site .home-study {
  min-height: 0;
  display: block;
  background: none;
  padding: 48px 0 36px;
}
.public-site .home-study-inner {
  width: min(100%, 1616px);
  padding: 0 var(--site-gutter);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: center;
}
.public-site .home-study-copy {
  padding: 12px 0;
  min-width: 0;
}
.public-site .home-study-copy h1 {
  font-size: clamp(32px, 3.1vw, 50px);
  line-height: 1.3;
  letter-spacing: -0.025em;
  margin: 0 0 16px;
  text-wrap: balance;
}
.public-site .home-first-summary {
  font-size: clamp(17px, 1.5vw, 23px);
  line-height: 1.65;
  margin: 0 0 30px;
  color: var(--site-muted);
}
.public-site .home-primary-action {
  font-size: 21px;
  width: min(100%, 400px);
  min-height: 62px;
}
.public-site .home-desk-preview {
  margin: 0;
  min-width: 0;
}
.home-desk-preview a {
  display: block;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 12px 28px #235b8b1a;
}
.public-site .home-desk-preview img {
  width: 100%;
  height: auto;
  display: block;
}
.home-modules {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  padding-top: 0;
  padding-bottom: 24px;
}
.home-module {
  background: none;
  border-top: 1px solid #cbdcef;
  padding: 24px 28px 0;
  min-width: 0;
}
.home-module:first-child {
  padding-left: 0;
}
.home-module:last-child {
  padding-right: 0;
}
.home-module + .home-module {
  border-left: 1px solid #cbdcef;
}
.home-module h2 {
  font-size: 24px;
  line-height: 1.4;
  margin: 0;
}
.home-module > p {
  color: var(--site-muted);
  font-size: 15px;
  margin: 5px 0 16px;
  line-height: 1.6;
}
.module-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.module-heading > a {
  display: inline-flex;
  gap: 6px;
  align-items: center;
  font-size: 14px;
  color: var(--site-blue);
  white-space: nowrap;
}
.module-heading > a svg {
  width: 18px;
}
.home-series-list {
  margin-top: 16px;
}
.home-series-list > a,
.home-guide-links > a {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 0;
}
.home-series-list > a + a {
  border-top: 1px solid #e7f1fc;
}
.home-series-list img {
  object-fit: contain;
}
.home-series-list span,
.home-guide-links span:not(.design-icon) {
  flex: 1;
  min-width: 0;
}
.home-series-list strong,
.home-guide-links strong {
  font-size: 17px;
  line-height: 1.5;
  display: block;
}
.home-series-list small,
.home-guide-links small {
  display: block;
  color: var(--site-muted);
  font-size: 14px;
  line-height: 1.6;
  margin-top: 3px;
}
.home-inventory {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 12px;
  margin-bottom: 0 !important;
}
.home-inventory strong,
.home-inventory small {
  display: block;
}
.home-inventory strong {
  color: var(--site-text);
}
.home-inventory small {
  font-size: 13px;
}
.home-guide-links {
  display: grid;
  gap: 0;
  margin-top: 16px;
}
.home-guide-links > a {
  background: none;
  border-radius: 0;
  padding: 18px 0;
  border-bottom: 1px solid #dbe8f8;
}
.resume-book {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 0;
  background: none;
  margin: 20px 0 16px;
}
.resume-book img {
  object-fit: contain;
}
.resume-book strong {
  font-size: 18px;
}
.resume-book p {
  font-size: 15px;
  color: var(--site-muted);
  margin: 10px 0 0;
  line-height: 1.65;
}
.resume-module .button {
  width: 100%;
}
.home-empty {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 0 0;
}
.home-empty p {
  font-size: 15px;
  color: var(--site-muted);
  margin: 0;
  line-height: 1.6;
}
.home-empty a {
  color: var(--site-blue);
  display: flex;
  align-items: center;
  gap: 12px;
}
.public-site .bookshelf {
  padding-top: 0;
  padding-bottom: 0;
}
.public-site .shelf-series {
  background: none;
  padding: 20px 0 14px;
  border-top: 1px solid #cbdcef;
}
.public-site .shelf-series + .shelf-series {
  margin-top: 18px;
}
.public-site .shelf-heading {
  margin-bottom: 10px;
  justify-content: flex-start;
}
.public-site .shelf-heading h2 {
  font-size: 25px;
  white-space: nowrap;
}
.public-site .shelf-heading p {
  color: var(--site-muted);
  font-size: 15px;
  margin: 0;
}
.public-site .shelf-heading a {
  margin-left: auto;
  color: var(--site-blue);
  font-weight: 600;
  white-space: nowrap;
}
.public-site .shelf-grid {
  display: grid;
  grid-template-columns: repeat(var(--columns), minmax(0, 1fr));
  gap: 12px;
}
.public-site .shelf-book {
  background: #f2f8fe;
  padding: 12px 0;
  text-align: center;
  border-radius: 12px;
}
.public-site .shelf-book:hover {
  background: #e7f2ff;
}
.public-site .shelf-cover {
  height: clamp(145px, 14vw, 210px);
  position: relative;
  justify-content: center;
  align-items: center;
}
.public-site .shelf-cover img {
  width: auto;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  box-shadow: 0 6px 14px #1b365214;
}
.public-site .shelf-series + .shelf-series .shelf-cover {
  height: clamp(130px, 11vw, 175px);
}
.public-site .shelf-book h3 {
  font-size: 18px;
  margin: 10px 0 2px;
}
.public-site .shelf-book p {
  font-size: 14px;
  color: var(--site-muted);
  margin: 0 0 10px;
}
.shelf-action {
  border: 1px solid #acc7e6;
  border-radius: 8px;
  padding: 6px 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: #234b81;
  font-size: 14px;
  min-height: 36px;
}
.has-resume .shelf-action {
  color: #fff;
  background: #235d98;
  border-color: #235d98;
}
.resume-badge {
  position: absolute;
  bottom: 2px;
  right: 10px;
  background: #235d98;
  color: #fff;
  font-size: 12px;
  padding: 4px 8px;
  border-radius: 6px;
}
.shelf-returned {
  outline: 2px solid #155cca;
  outline-offset: 2px;
}
.guide-featured {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin: 0 0 28px;
}
.guide-featured > a {
  display: flex;
  align-items: center;
  gap: 24px;
  background: #eaf3fc;
  border-radius: 6px;
  padding: 18px 22px;
}
.guide-featured > a > span:not(.design-icon) {
  flex: 1;
}
.guide-featured .design-icon {
  width: 76px;
  height: 76px;
}
.guide-featured .design-icon svg {
  width: 38px;
  height: 38px;
}
.guide-featured strong {
  font-size: 23px;
  line-height: 1.5;
}
.guide-featured p {
  font-size: 16px;
  color: var(--site-muted);
  margin: 8px 0 0;
  line-height: 1.6;
}
.guide-search {
  max-width: 680px;
  margin: 0 0 26px;
}
.guide-search label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
}
.guide-search input {
  width: 100%;
  min-height: 46px;
  padding: 10px 14px;
  color: var(--site-text);
  background: #fff;
  border: 1px solid var(--site-line-strong);
  border-radius: 10px;
  font: inherit;
}
.guide-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  border-bottom: 1px solid #c8daef;
  padding-bottom: 10px;
  margin-bottom: 20px;
}
.guide-filters a {
  padding: 9px 20px;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
  color: var(--site-muted);
}
.guide-filters a[aria-current='true'] {
  color: #fff;
  background: #1e61d0;
}
.guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 32px;
}
.public-site .guide-tile {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  border: 0;
  border-bottom: 1px solid #dbe8f8;
  border-radius: 0;
  background: none;
  padding: 20px 0;
  min-width: 0;
}
.guide-tile > span:not(.design-icon) {
  flex: 1;
  min-width: 0;
}
.guide-tile .design-icon {
  border-radius: 14px;
  width: 54px;
  height: 54px;
}
.guide-tile > svg {
  align-self: center;
  width: 18px;
}
.public-site .guide-tile strong {
  display: block;
  font-size: 17px;
  line-height: 1.55;
  margin-top: 4px;
}
.guide-tile small {
  color: var(--site-muted);
  font-size: 13px;
}
.guide-tile p {
  color: var(--site-muted);
  font-size: 14px;
  line-height: 1.6;
  margin: 4px 0 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.guide-tile:hover,
.guide-featured > a:hover {
  background: #edf6ff;
}
.faq-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 32px;
}
.faq-shortcuts > strong {
  display: block;
  color: var(--site-muted);
  font-size: 14px;
  margin-bottom: 10px;
}
.faq-shortcuts > div {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.faq-shortcuts a {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #fff;
  border-radius: 10px;
  padding: 12px;
  font-size: 14px;
  font-weight: 600;
}
.faq-shortcuts .design-icon {
  width: 34px;
  height: 34px;
  background: none;
}
.faq-shortcuts .design-icon svg {
  width: 24px;
  height: 24px;
}
.faq-shortcuts a > svg {
  width: 16px;
}
.faq-layout {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 20px;
}
.faq-categories {
  border-radius: 14px;
  background: #ffffffb8;
  padding: 18px 14px;
  align-self: start;
  position: sticky;
  top: 20px;
}
.faq-categories a {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 18px;
  border-radius: 10px;
  font-weight: 600;
  color: var(--site-muted);
  font-size: 19px;
}
.faq-categories a span {
  flex: 1;
}
.faq-categories a > svg {
  width: 26px;
  height: 26px;
}
.faq-categories a > svg:last-child {
  width: 18px;
}
.faq-categories a[aria-current='true'] {
  background: #e4efff;
  color: var(--site-text);
}
.faq-content {
  background: #ffffffcf;
  padding: 28px;
  border-radius: 14px;
}
.public-site .seo-faq-group {
  margin: 0;
}
.seo-faq-group h2 {
  font-size: 28px;
  line-height: 1.4;
  margin: 0 0 16px;
}
.public-site .faq-list {
  border: 0;
  margin: 0;
  padding: 0;
}
.public-site .faq-list details {
  border: 0;
  border-bottom: 1px solid #dbe8f8;
  padding: 0;
  scroll-margin-top: 24px;
}
.public-site .faq-list details[open] {
  background: #fbfdff;
  border: 1px solid #dbe8f8;
  border-radius: 8px;
  margin-bottom: 4px;
}
.public-site .faq-list summary {
  font-size: 19px;
  font-weight: 600;
  list-style: none;
  padding: 20px 24px;
  position: relative;
  padding-right: 54px;
  cursor: pointer;
  line-height: 1.5;
}
.faq-list summary::-webkit-details-marker {
  display: none;
}
.faq-list summary::after {
  content: '+';
  position: absolute;
  right: 22px;
  color: #155cca;
  font-size: 26px;
  top: 16px;
  font-weight: 400;
}
.faq-list details[open] summary::after {
  content: '−';
}
.public-site .seo-faq-answer {
  padding: 0 24px 20px;
}
.public-site .seo-faq-answer p {
  color: var(--site-muted);
  font-size: 16px;
  line-height: 1.85;
  max-width: 75ch;
  margin: 0 0 12px;
}
.public-site .seo-faq-answer .seo-links {
  font-size: 15px;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  padding: 0;
  list-style: none;
}
.faq-help {
  display: flex;
  gap: 20px;
  border-top: 1px solid #d3e3f6;
  margin-top: 30px;
  padding-top: 20px;
}
.faq-help h3 {
  font-size: 20px;
  margin: 0 0 6px;
}
.faq-help p {
  color: var(--site-muted);
  font-size: 15px;
  margin: 0 0 12px;
  line-height: 1.7;
}
.faq-help a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-right: 20px;
  font-size: 15px;
  color: var(--site-blue);
}
/* Desktop entry pages leave room for learning choices instead of scaling the preview with width. */
@media (min-width: 801px) {
  .public-site:has(.home, .bookshelf) .site-header {
    min-height: 60px;
    padding-block: 6px;
  }
  .public-site:has(.home, .bookshelf) .site-footer {
    min-height: 0;
    padding-block: 16px;
  }
  .public-site .home-study {
    padding: 20px 0 24px;
  }
  .public-site .home-study-inner {
    gap: 32px;
  }
  .public-site .home-study-copy h1 {
    font-size: clamp(30px, 2.8vw, 44px);
  }
  .public-site .home-first-summary {
    font-size: clamp(16px, 1.35vw, 20px);
    margin-bottom: 20px;
  }
  .public-site .home-primary-action {
    min-height: 48px;
    font-size: 18px;
    width: min(100%, 340px);
  }
  .home-desk-preview a {
    width: fit-content;
    margin-left: auto;
  }
  .public-site .home-desk-preview img {
    width: auto;
    max-width: 100%;
    max-height: clamp(220px, 36vh, 320px);
    object-fit: contain;
  }
  .home-modules {
    padding-bottom: 12px;
  }
  .home-module {
    padding-top: 16px;
  }
  .home-module h2 {
    font-size: 21px;
  }
  .home-series-list,
  .home-guide-links {
    margin-top: 8px;
  }
  .home-series-list > a {
    padding-block: 8px;
  }
  .home-series-list img {
    width: 30px;
    height: 44px;
  }
  .home-series-list strong,
  .home-guide-links strong {
    font-size: 16px;
  }
  .home-inventory {
    padding-top: 8px;
    font-size: 13px;
  }
  .home-guide-links > a {
    min-height: 56px;
    padding-block: 12px;
  }
  .resume-book {
    margin: 12px 0;
    gap: 16px;
  }
  .resume-book img {
    width: 48px;
    height: 72px;
  }
  .resume-book strong {
    font-size: 16px;
  }
  .resume-book p {
    margin-top: 6px;
    font-size: 14px;
  }
  .resume-module .button {
    min-height: 44px;
    padding-block: 10px;
  }
  .public-site .shelf-intro {
    padding: 12px 0;
  }
  .public-site .shelf-intro h1 {
    font-size: 32px;
    margin-bottom: 0;
  }
  .public-site .shelf-series {
    padding: 12px 0;
  }
  .public-site .shelf-series + .shelf-series {
    margin-top: 12px;
  }
  .public-site .shelf-heading {
    margin-bottom: 8px;
  }
  .public-site .shelf-heading h2 {
    font-size: 21px;
    margin-block: 0;
  }
  .public-site .shelf-cover,
  .public-site .shelf-series + .shelf-series .shelf-cover {
    height: clamp(96px, 12vh, 120px);
  }
  .public-site .shelf-book {
    padding: 8px 10px;
  }
  .public-site .shelf-book h3 {
    font-size: 16px;
    line-height: 1.4;
    margin: 8px 0 2px;
  }
  .public-site .shelf-book p {
    line-height: 1.4;
    margin: 0 0 6px;
  }
  .public-site .shelf-action {
    display: none;
  }
}
@media (max-width: 1200px) {
  .home-module {
    padding: 18px;
  }
  .home-module:first-child {
    padding-left: 0;
  }
  .home-module:last-child {
    padding-right: 0;
  }
  .home-module + .home-module {
    border-left: 1px solid #cbdcef;
  }
  .home-module h2 {
    font-size: 21px;
  }
  .module-heading {
    flex-wrap: wrap;
    gap: 4px;
  }
  .faq-intro {
    grid-template-columns: 1fr;
    gap: 0;
    margin-bottom: 24px;
  }
  .faq-layout {
    grid-template-columns: 260px minmax(0, 1fr);
  }
  .faq-shortcuts > div {
    max-width: 680px;
  }
  .guide-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 800px) {
  .public-site .site-header {
    grid-template-columns: 1fr auto;
    gap: 6px;
    padding-block: 12px 4px;
  }
  .public-site .site-header > nav {
    grid-row: 2;
    grid-column: 1 / -1;
    justify-content: space-between;
    gap: 18px;
  }
  .public-site .site-header > nav a {
    font-size: 15px;
    padding: 10px 0;
  }
  .public-site .brand strong {
    font-size: 20px;
  }
  .public-site .brand small {
    font-size: 12px;
  }
  .public-site .brand img {
    width: 36px;
    height: 36px;
  }
  .public-site .home-study-inner {
    grid-template-columns: 1fr;
    gap: 22px;
  }
  .public-site .home-study-copy h1 {
    font-size: 36px;
  }
  .home-modules {
    grid-template-columns: 1fr;
  }
  .home-module + .home-module {
    border-left: 0;
    margin-top: 24px;
  }
  .home-module {
    padding: 22px 0;
  }
  .module-heading {
    flex-wrap: nowrap;
  }
  .public-site .shelf-heading {
    flex-wrap: wrap;
    gap: 4px 14px;
  }
  .public-site .shelf-heading h2 {
    font-size: 23px;
  }
  .public-site .shelf-heading p {
    order: 3;
    width: 100%;
    font-size: 14px;
  }
  .public-site .shelf-series {
    padding: 16px 0;
  }
  .public-site .shelf-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }
  .public-site .shelf-cover,
  .public-site .shelf-series + .shelf-series .shelf-cover {
    height: 190px;
  }
  .guide-featured {
    grid-template-columns: 1fr;
  }
  .guide-featured > a {
    padding: 20px;
    gap: 16px;
  }
  .guide-featured strong {
    font-size: 20px;
  }
  .guide-featured .design-icon {
    width: 58px;
    height: 58px;
  }
  .guide-grid {
    grid-template-columns: 1fr;
  }
  .guide-filters {
    gap: 5px;
  }
  .guide-filters a {
    padding: 9px 12px;
    font-size: 14px;
  }
  .faq-layout {
    grid-template-columns: 1fr;
  }
  .faq-categories {
    position: static;
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    padding: 10px;
  }
  .faq-categories a {
    padding: 10px;
    font-size: 14px;
    gap: 6px;
  }
  .faq-categories a svg:last-child {
    display: none;
  }
  .faq-categories a > svg {
    width: 18px;
    height: 18px;
  }
  .faq-content {
    padding: 20px;
  }
  .public-site .faq-list summary {
    padding: 16px 32px 16px 12px;
    font-size: 17px;
  }
  .faq-list summary::after {
    right: 10px;
    top: 10px;
  }
  .public-site .seo-faq-answer {
    padding: 0 12px 16px;
  }
  .public-site .site-footer {
    justify-content: center;
    flex-wrap: wrap;
    gap: 16px 24px;
    padding-block: 28px;
  }
}
@media (max-width: 480px) {
  .public-site {
    --site-gutter: 18px;
  }
  .public-site .home-study-copy h1 {
    font-size: 32px;
  }
  .public-site .home-primary-action {
    min-height: 54px;
    font-size: 18px;
  }
  .public-site .page-intro p {
    font-size: 16px;
  }
  .public-site .shelf-cover,
  .public-site .shelf-series + .shelf-series .shelf-cover {
    height: 150px;
  }
  .public-site .shelf-book {
    padding: 10px 8px;
  }
  .shelf-action {
    gap: 4px;
    font-size: 13px;
    padding-inline: 4px;
  }
  .faq-shortcuts > div {
    gap: 8px;
  }
  .faq-shortcuts a {
    flex-direction: column;
    padding: 12px 8px;
    text-align: center;
    font-size: 13px;
  }
  .faq-shortcuts a > svg {
    display: none;
  }
  .faq-content {
    padding: 16px 12px;
  }
  .faq-help {
    gap: 12px;
  }
  .faq-help .design-icon {
    width: 38px;
    height: 38px;
  }
  .guide-featured p {
    font-size: 14px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .public-site a {
    transition: none;
  }
}