/*
 * XBlog Learning UI v3
 * Isolated mobile-first component layer. Legacy theme.css remains as the
 * compatibility base for pages that have not yet moved to the new system.
 */

body.xlt-ui-v2 {
  --xlt-canvas: #f4f5f6;
  --xlt-surface: #ffffff;
  --xlt-surface-soft: #eef0f2;
  --xlt-ink: #242125;
  --xlt-ink-soft: #656167;
  --xlt-line: #ddd9de;
  --xlt-green: #8f2d3a;
  --xlt-green-strong: #6f1f2b;
  --xlt-green-soft: #f3e5e8;
  --xlt-blue: #365c68;
  --xlt-rose: #9d4652;
  --xlt-gold: #ad8848;
  --xlt-danger: #a2343f;
  --xlt-radius: 6px;
  --xlt-shadow: 0 16px 36px rgba(42, 34, 39, 0.09);
  background: var(--xlt-canvas);
  color: var(--xlt-ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

body.xlt-ui-v2 *,
body.xlt-ui-v2 *::before,
body.xlt-ui-v2 *::after {
  box-sizing: border-box;
}

body.xlt-ui-v2 img,
body.xlt-ui-v2 video,
body.xlt-ui-v2 iframe {
  display: block;
  max-width: 100%;
}

body.xlt-ui-v2 a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

body.xlt-ui-v2 button,
body.xlt-ui-v2 input,
body.xlt-ui-v2 select,
body.xlt-ui-v2 textarea {
  font: inherit;
  letter-spacing: 0;
}

body.xlt-ui-v2 .xlt-shell {
  width: min(1180px, calc(100% - 48px));
  margin-inline: auto;
}

body.xlt-ui-v2 .xlt-main {
  min-height: 60vh;
  background: var(--xlt-canvas);
}

body.xlt-ui-v2 .xlt-kicker {
  margin: 0 0 10px;
  color: var(--xlt-gold);
  font-size: 13px;
  font-weight: 750;
  line-height: 1.4;
}

body.xlt-ui-v2 h1,
body.xlt-ui-v2 h2,
body.xlt-ui-v2 h3,
body.xlt-ui-v2 p {
  overflow-wrap: anywhere;
}

body.xlt-ui-v2 h1,
body.xlt-ui-v2 h2 {
  letter-spacing: 0;
}

body.xlt-ui-v2 .xlt-button,
body.xlt-ui-v2 a.xlt-button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  border: 1px solid var(--xlt-green);
  border-radius: 6px;
  background: var(--xlt-green);
  color: #fff;
  font-weight: 720;
  line-height: 1.2;
  text-decoration: none;
  transition: background 160ms ease, border-color 160ms ease, transform 160ms ease;
}

body.xlt-ui-v2 .xlt-button:hover,
body.xlt-ui-v2 .xlt-button:focus-visible {
  border-color: var(--xlt-green-strong);
  background: var(--xlt-green-strong);
  color: #fff;
  transform: translateY(-1px);
}

body.xlt-ui-v2 .xlt-text-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 8px;
  color: var(--xlt-green);
  font-weight: 700;
  text-decoration: none;
}

body.xlt-ui-v2 .xlt-text-link span {
  color: var(--xlt-gold);
}

/* Header */
body.xlt-ui-v2 .xlt-site-header {
  position: sticky;
  z-index: 90;
  top: 0;
  width: 100%;
  border-bottom: 1px solid var(--xlt-line);
  background: rgba(255, 255, 255, 0.98);
  box-shadow: none;
  backdrop-filter: blur(12px);
}

body.admin-bar.xlt-ui-v2 .xlt-site-header {
  top: 32px;
}

body.xlt-ui-v2 .xlt-header-inner {
  position: relative;
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

body.xlt-ui-v2 .xlt-brand-logo-link {
  display: inline-flex;
  min-width: 0;
  align-items: center;
  gap: 11px;
  color: var(--xlt-ink);
  text-decoration: none;
}

body.xlt-ui-v2 .xlt-brand-logo-mark {
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  object-fit: contain;
}

body.xlt-ui-v2 .xlt-brand-logo-text {
  display: grid;
  min-width: 0;
  gap: 1px;
  line-height: 1.25;
}

body.xlt-ui-v2 .xlt-brand-logo-text strong {
  max-width: 290px;
  overflow: hidden;
  color: var(--xlt-ink);
  font-size: 18px;
  font-weight: 780;
  text-overflow: ellipsis;
  white-space: nowrap;
}

body.xlt-ui-v2 .xlt-brand-logo-text small {
  color: var(--xlt-gold);
  font-size: 12px;
  font-weight: 650;
}

body.xlt-ui-v2 .xlt-primary-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

body.xlt-ui-v2 .xlt-primary-nav > a,
body.xlt-ui-v2 .xlt-primary-nav .menu-item > a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  padding: 8px 11px;
  color: var(--xlt-ink-soft);
  font-size: 14px;
  font-weight: 650;
  text-decoration: none;
}

body.xlt-ui-v2 .xlt-primary-nav > a:hover,
body.xlt-ui-v2 .xlt-primary-nav > a:focus-visible,
body.xlt-ui-v2 .xlt-primary-nav .current-menu-item > a {
  color: var(--xlt-green);
}

body.xlt-ui-v2 .xlt-primary-nav .xlt-nav-cta {
  min-height: 40px;
  margin-left: 6px;
  padding-inline: 15px;
  border: 1px solid var(--xlt-green);
  border-radius: 6px;
  background: var(--xlt-green);
  color: #fff;
}

body.xlt-ui-v2 .xlt-primary-nav .xlt-nav-cta-secondary {
  border-color: var(--xlt-line);
  background: transparent;
  color: var(--xlt-green);
}

body.xlt-ui-v2 .xlt-nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  flex: 0 0 44px;
  align-items: center;
  justify-content: center;
  padding: 10px;
  border: 1px solid var(--xlt-line);
  border-radius: 6px;
  background: #fff;
}

body.xlt-ui-v2 .xlt-nav-toggle > span:not(.screen-reader-text) {
  display: block;
  width: 20px;
  height: 2px;
  margin: 4px auto;
  background: var(--xlt-ink);
}

/* Home */
body.xlt-ui-v2 .xlt-home-hero {
  border-bottom: 1px solid var(--xlt-line);
  background: var(--xlt-surface);
}

body.xlt-ui-v2 .xlt-home-hero-inner {
  display: grid;
  min-height: 430px;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  align-items: center;
  gap: 72px;
  padding-block: 64px;
}

body.xlt-ui-v2 .xlt-home-hero-copy {
  max-width: 660px;
}

body.xlt-ui-v2 .xlt-home-hero h1 {
  max-width: 700px;
  margin: 0;
  color: var(--xlt-ink);
  font-family: "Songti SC", "STSong", "SimSun", serif;
  font-size: 48px;
  font-weight: 650;
  line-height: 1.24;
}

body.xlt-ui-v2 .xlt-home-hero-copy > p:not(.xlt-kicker) {
  max-width: 600px;
  margin: 20px 0 0;
  color: var(--xlt-ink-soft);
  font-size: 18px;
  line-height: 1.8;
}

body.xlt-ui-v2 .xlt-home-hero-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: 30px;
}

body.xlt-ui-v2 .xlt-next-lesson {
  display: grid;
  max-width: 620px;
  gap: 4px;
  margin-top: 24px;
  padding-left: 16px;
  border-left: 3px solid var(--xlt-gold);
}

body.xlt-ui-v2 .xlt-next-lesson span,
body.xlt-ui-v2 .xlt-next-lesson small {
  color: var(--xlt-ink-soft);
}

body.xlt-ui-v2 .xlt-next-lesson strong {
  color: var(--xlt-ink);
  font-size: 21px;
  line-height: 1.45;
}

body.xlt-ui-v2 .xlt-home-paths,
body.xlt-ui-v2 .xlt-home-progress {
  border-left: 1px solid var(--xlt-line);
  padding-left: 40px;
}

body.xlt-ui-v2 .xlt-home-paths {
  display: grid;
  gap: 0;
}

body.xlt-ui-v2 .xlt-home-paths > div {
  display: grid;
  grid-template-columns: 44px 1fr;
  grid-template-rows: auto auto;
  column-gap: 16px;
  padding: 22px 0;
  border-bottom: 1px solid var(--xlt-line);
}

body.xlt-ui-v2 .xlt-home-paths > div:last-child {
  border-bottom: 0;
}

body.xlt-ui-v2 .xlt-home-paths span {
  grid-row: 1 / span 2;
  color: var(--xlt-blue);
  font-family: Georgia, serif;
  font-size: 26px;
  line-height: 1.3;
}

body.xlt-ui-v2 .xlt-home-paths > div:last-child span {
  color: var(--xlt-rose);
}

body.xlt-ui-v2 .xlt-home-paths strong {
  font-size: 21px;
}

body.xlt-ui-v2 .xlt-home-paths small {
  color: var(--xlt-ink-soft);
}

body.xlt-ui-v2 .xlt-home-progress {
  display: grid;
  gap: 14px;
}

body.xlt-ui-v2 .xlt-home-progress > div:first-child {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
}

body.xlt-ui-v2 .xlt-home-progress span,
body.xlt-ui-v2 .xlt-home-progress p {
  color: var(--xlt-ink-soft);
}

body.xlt-ui-v2 .xlt-home-progress strong {
  color: var(--xlt-green);
  font-family: Georgia, serif;
  font-size: 44px;
  line-height: 1;
}

body.xlt-ui-v2 .xlt-progress-track {
  height: 7px;
  overflow: hidden;
  border-radius: 4px;
  background: var(--xlt-green-soft);
}

body.xlt-ui-v2 .xlt-progress-track span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--xlt-green);
}

body.xlt-ui-v2 .xlt-home-progress p {
  margin: 0;
  font-size: 14px;
}

body.xlt-ui-v2 .xlt-home-catalog,
body.xlt-ui-v2 .xlt-home-learning-record,
body.xlt-ui-v2 .xlt-home-support,
body.xlt-ui-v2 .xlt-home-updates {
  padding-block: 72px;
}

body.xlt-ui-v2 .xlt-home-catalog {
  background: var(--xlt-canvas);
}

body.xlt-ui-v2 .xlt-section-title {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 28px;
}

body.xlt-ui-v2 .xlt-section-title h2,
body.xlt-ui-v2 .xlt-home-support h2,
body.xlt-ui-v2 .xlt-home-updates h2 {
  margin: 0;
  color: var(--xlt-ink);
  font-family: "Songti SC", "STSong", "SimSun", serif;
  font-size: 34px;
  font-weight: 650;
  line-height: 1.3;
}

body.xlt-ui-v2 .xlt-section-title > a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 7px;
  color: var(--xlt-green);
  font-weight: 700;
  text-decoration: none;
}

body.xlt-ui-v2 .xlt-home-learning-record,
body.xlt-ui-v2 .xlt-home-support {
  border-top: 1px solid var(--xlt-line);
  background: var(--xlt-surface);
}

body.xlt-ui-v2 .xlt-home-record-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  border-block: 1px solid var(--xlt-line);
}

body.xlt-ui-v2 .xlt-home-record-grid article {
  min-width: 0;
  padding: 28px 32px;
}

body.xlt-ui-v2 .xlt-home-record-grid article + article {
  border-left: 1px solid var(--xlt-line);
}

body.xlt-ui-v2 .xlt-home-record-grid span,
body.xlt-ui-v2 .xlt-home-record-grid p {
  color: var(--xlt-ink-soft);
}

body.xlt-ui-v2 .xlt-home-record-grid strong {
  display: block;
  margin-top: 4px;
  font-size: 22px;
}

body.xlt-ui-v2 .xlt-home-record-grid p {
  margin: 8px 0 0;
}

body.xlt-ui-v2 .xlt-home-record-grid a {
  display: inline-block;
  margin-top: 8px;
  color: var(--xlt-green);
  font-weight: 700;
}

body.xlt-ui-v2 .xlt-home-support-inner {
  display: grid;
  grid-template-columns: minmax(240px, 0.75fr) minmax(0, 1.25fr);
  gap: 70px;
  align-items: start;
}

body.xlt-ui-v2 .xlt-home-support ul {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--xlt-line);
  list-style: none;
}

body.xlt-ui-v2 .xlt-home-support li {
  display: flex;
  min-height: 70px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--xlt-line);
}

body.xlt-ui-v2 .xlt-home-support li strong {
  font-size: 18px;
}

body.xlt-ui-v2 .xlt-home-support li span {
  color: var(--xlt-ink-soft);
  text-align: right;
}

body.xlt-ui-v2 .xlt-home-updates {
  border-top: 1px solid var(--xlt-line);
  background: var(--xlt-surface-soft);
}

body.xlt-ui-v2 .xlt-home-updates-inner {
  display: grid;
  grid-template-columns: minmax(240px, 0.7fr) minmax(0, 1.3fr);
  gap: 70px;
}

body.xlt-ui-v2 .xlt-home-updates ol {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--xlt-line);
  list-style: none;
}

body.xlt-ui-v2 .xlt-home-updates li {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 18px;
  padding: 16px 0;
  border-bottom: 1px solid var(--xlt-line);
}

body.xlt-ui-v2 .xlt-home-updates li > span,
body.xlt-ui-v2 .xlt-home-updates small {
  color: var(--xlt-ink-soft);
  font-size: 13px;
}

body.xlt-ui-v2 .xlt-home-updates li div {
  display: grid;
  gap: 2px;
}

body.xlt-ui-v2 .xlt-home-updates strong {
  font-size: 16px;
  line-height: 1.5;
}

/* Course library page and singular shells */
body.xlt-ui-v2 .xlt-library-intro {
  border-bottom: 1px solid var(--xlt-line);
  background: var(--xlt-surface);
}

body.xlt-ui-v2 .xlt-library-intro-inner {
  display: grid;
  min-height: 210px;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.65fr);
  align-items: center;
  gap: 60px;
  padding-block: 44px;
}

body.xlt-ui-v2 .xlt-library-intro h1 {
  margin: 0;
  font-family: "Songti SC", "STSong", "SimSun", serif;
  font-size: 42px;
  font-weight: 650;
  line-height: 1.25;
}

body.xlt-ui-v2 .xlt-library-intro-inner > p {
  margin: 0;
  padding-left: 28px;
  border-left: 1px solid var(--xlt-line);
  color: var(--xlt-ink-soft);
  font-size: 17px;
}

body.xlt-ui-v2 .xlt-library-section,
body.xlt-ui-v2 .xlt-section {
  padding-block: 56px 80px;
}

body.xlt-ui-v2 .xlt-course-shell {
  padding-block: 36px 88px;
}

body.xlt-ui-v2 .xlt-lesson-shell {
  width: min(960px, calc(100% - 48px));
  padding-block: 30px 110px;
}

/* Footer */
body.xlt-ui-v2 .xlt-site-footer {
  border-top: 1px solid #353137;
  background: #211f23;
  color: #f4f1f3;
}

body.xlt-ui-v2 .xlt-footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 48px;
  align-items: end;
  padding-block: 48px 32px;
}

body.xlt-ui-v2 .xlt-footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  text-decoration: none;
}

body.xlt-ui-v2 .xlt-footer-logo-mark {
  width: 46px;
  height: 46px;
  object-fit: contain;
}

body.xlt-ui-v2 .xlt-footer-logo-text {
  display: grid;
  gap: 1px;
}

body.xlt-ui-v2 .xlt-footer-logo-text strong {
  font-size: 19px;
}

body.xlt-ui-v2 .xlt-footer-logo-text small,
body.xlt-ui-v2 .xlt-footer-grid p,
body.xlt-ui-v2 .xlt-footer-bottom {
  color: #bcb6bd;
}

body.xlt-ui-v2 .xlt-footer-grid p {
  margin: 14px 0 0;
}

body.xlt-ui-v2 .xlt-footer-nav,
body.xlt-ui-v2 .xlt-footer-menu {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 0;
  padding: 0;
  list-style: none;
}

body.xlt-ui-v2 .xlt-footer-nav a,
body.xlt-ui-v2 .xlt-footer-menu a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  color: #e6e0e4;
  text-decoration: none;
}

body.xlt-ui-v2 .xlt-footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding-block: 20px 26px;
  border-top: 1px solid #3a363c;
  font-size: 13px;
}

@media (max-width: 1020px) {
  body.xlt-ui-v2 .xlt-header-inner {
    gap: 14px;
  }

  body.xlt-ui-v2 .xlt-primary-nav > a,
  body.xlt-ui-v2 .xlt-primary-nav .menu-item > a {
    padding-inline: 8px;
    font-size: 13px;
  }

  body.xlt-ui-v2 .xlt-home-hero-inner {
    gap: 40px;
  }

  body.xlt-ui-v2 .xlt-home-hero h1 {
    font-size: 42px;
  }
}

@media (max-width: 820px) {
  body.xlt-ui-v2 .xlt-site-header {
    position: relative;
    top: auto;
    backdrop-filter: none;
  }

  body.admin-bar.xlt-ui-v2 .xlt-site-header {
    top: auto;
  }

  body.xlt-ui-v2 .xlt-header-inner {
    min-height: 64px;
  }

  body.xlt-ui-v2 .xlt-brand-logo-mark {
    width: 38px;
    height: 38px;
    flex-basis: 38px;
  }

  body.xlt-ui-v2 .xlt-brand-logo-text strong {
    max-width: 210px;
    font-size: 17px;
  }

  body.xlt-ui-v2 .xlt-brand-logo-text small {
    display: none;
  }

  body.xlt-ui-v2 .xlt-nav-toggle {
    display: block;
  }

  body.xlt-ui-v2 .xlt-primary-nav {
    position: absolute;
    z-index: 100;
    top: calc(100% + 1px);
    right: 0;
    left: 0;
    display: none;
    max-height: calc(100vh - 88px);
    align-items: stretch;
    padding: 10px 16px 18px;
    overflow-y: auto;
    border: 1px solid var(--xlt-line);
    border-top: 0;
    border-radius: 0 0 8px 8px;
    background: #fff;
    box-shadow: var(--xlt-shadow);
  }

  body.xlt-ui-v2 .xlt-primary-nav.is-open {
    display: grid;
  }

  body.xlt-ui-v2 .xlt-primary-nav > a,
  body.xlt-ui-v2 .xlt-primary-nav .menu-item > a {
    min-height: 48px;
    justify-content: space-between;
    padding-inline: 4px;
    border-bottom: 1px solid var(--xlt-line);
    font-size: 16px;
  }

  body.xlt-ui-v2 .xlt-primary-nav .xlt-nav-cta,
  body.xlt-ui-v2 .xlt-primary-nav .xlt-nav-cta-secondary {
    justify-content: center;
    margin: 8px 0 0;
    padding-inline: 16px;
    border: 1px solid var(--xlt-green);
    background: var(--xlt-green);
    color: #fff;
  }

  body.xlt-ui-v2 .xlt-home-hero-inner,
  body.xlt-ui-v2 .xlt-library-intro-inner,
  body.xlt-ui-v2 .xlt-home-support-inner,
  body.xlt-ui-v2 .xlt-home-updates-inner {
    grid-template-columns: minmax(0, 1fr);
  }

  body.xlt-ui-v2 .xlt-home-hero-inner {
    gap: 34px;
  }

  body.xlt-ui-v2 .xlt-home-paths,
  body.xlt-ui-v2 .xlt-home-progress,
  body.xlt-ui-v2 .xlt-library-intro-inner > p {
    padding-left: 0;
    border-left: 0;
  }
}

@media (max-width: 620px) {
  body.xlt-ui-v2 {
    font-size: 16px;
  }

  body.xlt-ui-v2 .xlt-shell,
  body.xlt-ui-v2 .xlt-lesson-shell {
    width: min(100% - 28px, 1180px);
  }

  body.xlt-ui-v2 .xlt-header-inner {
    width: min(100% - 24px, 1180px);
  }

  body.xlt-ui-v2 .xlt-brand-logo-text strong {
    max-width: min(54vw, 230px);
  }

  body.xlt-ui-v2 .xlt-home-hero-inner {
    min-height: 0;
    gap: 24px;
    padding-block: 34px 30px;
  }

  body.xlt-ui-v2 .xlt-home-hero h1 {
    font-size: 32px;
    line-height: 1.3;
  }

  body.xlt-ui-v2 .xlt-home-hero-copy > p:not(.xlt-kicker) {
    margin-top: 14px;
    font-size: 16px;
    line-height: 1.7;
  }

  body.xlt-ui-v2 .xlt-next-lesson {
    margin-top: 18px;
  }

  body.xlt-ui-v2 .xlt-next-lesson strong {
    font-size: 18px;
  }

  body.xlt-ui-v2 .xlt-home-hero-actions {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 12px;
    margin-top: 22px;
  }

  body.xlt-ui-v2 .xlt-home-hero-actions .xlt-button {
    width: 100%;
  }

  body.xlt-ui-v2 .xlt-home-paths {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-top: 1px solid var(--xlt-line);
  }

  body.xlt-ui-v2 .xlt-home-paths > div {
    display: grid;
    min-width: 0;
    grid-template-columns: 28px 1fr;
    padding: 14px 0;
  }

  body.xlt-ui-v2 .xlt-home-paths > div + div {
    padding-left: 14px;
    border-left: 1px solid var(--xlt-line);
  }

  body.xlt-ui-v2 .xlt-home-paths span {
    font-size: 18px;
  }

  body.xlt-ui-v2 .xlt-home-paths strong {
    font-size: 16px;
  }

  body.xlt-ui-v2 .xlt-home-paths small {
    font-size: 12px;
    line-height: 1.5;
  }

  body.xlt-ui-v2 .xlt-home-progress {
    gap: 10px;
    padding-top: 16px;
    border-top: 1px solid var(--xlt-line);
  }

  body.xlt-ui-v2 .xlt-home-progress strong {
    font-size: 34px;
  }

  body.xlt-ui-v2 .xlt-home-catalog,
  body.xlt-ui-v2 .xlt-home-learning-record,
  body.xlt-ui-v2 .xlt-home-support,
  body.xlt-ui-v2 .xlt-home-updates {
    padding-block: 42px;
  }

  body.xlt-ui-v2 .xlt-section-title {
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
  }

  body.xlt-ui-v2 .xlt-section-title h2,
  body.xlt-ui-v2 .xlt-home-support h2,
  body.xlt-ui-v2 .xlt-home-updates h2 {
    font-size: 27px;
  }

  body.xlt-ui-v2 .xlt-section-title > a {
    flex: 0 0 auto;
    font-size: 14px;
  }

  body.xlt-ui-v2 .xlt-home-record-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  body.xlt-ui-v2 .xlt-home-record-grid article {
    padding: 22px 0;
  }

  body.xlt-ui-v2 .xlt-home-record-grid article + article {
    border-top: 1px solid var(--xlt-line);
    border-left: 0;
  }

  body.xlt-ui-v2 .xlt-home-support-inner,
  body.xlt-ui-v2 .xlt-home-updates-inner {
    gap: 26px;
  }

  body.xlt-ui-v2 .xlt-home-support li {
    min-height: 64px;
    gap: 16px;
  }

  body.xlt-ui-v2 .xlt-home-support li strong {
    font-size: 16px;
  }

  body.xlt-ui-v2 .xlt-home-support li span {
    max-width: 54%;
    font-size: 13px;
  }

  body.xlt-ui-v2 .xlt-home-updates li {
    grid-template-columns: 60px minmax(0, 1fr);
    gap: 12px;
  }

  body.xlt-ui-v2 .xlt-library-intro-inner {
    min-height: 0;
    gap: 16px;
    padding-block: 32px;
  }

  body.xlt-ui-v2 .xlt-library-intro h1 {
    font-size: 32px;
  }

  body.xlt-ui-v2 .xlt-library-intro-inner > p {
    font-size: 15px;
  }

  body.xlt-ui-v2 .xlt-library-section,
  body.xlt-ui-v2 .xlt-section {
    padding-block: 34px 60px;
  }

  body.xlt-ui-v2 .xlt-course-shell {
    padding-block: 18px 72px;
  }

  body.xlt-ui-v2 .xlt-lesson-shell {
    padding-block: 16px 112px;
  }

  body.xlt-ui-v2 .xlt-footer-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
    padding-block: 36px 24px;
  }

  body.xlt-ui-v2 .xlt-footer-nav,
  body.xlt-ui-v2 .xlt-footer-menu {
    gap: 4px 18px;
  }

  body.xlt-ui-v2 .xlt-footer-bottom {
    display: grid;
    gap: 4px;
  }
}

@media (prefers-reduced-motion: reduce) {
  body.xlt-ui-v2 *,
  body.xlt-ui-v2 *::before,
  body.xlt-ui-v2 *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}