.tutorial-center { width: min(1420px, calc(100% - 64px)); margin: 30px auto 76px; color: #17243a; }
.tutorial-center * { box-sizing: border-box; }
.tutorial-center a { color: inherit; }
.tutorial-center a:focus-visible, .tutorial-center button:focus-visible, .tutorial-center input:focus-visible { outline: 3px solid #a6c8ff; outline-offset: 4px; }
.tutorial-masthead { display: flex; align-items: center; justify-content: space-between; gap: 40px; padding: 20px 0 38px; }
.tutorial-kicker { color: #155eef; font-size: 14px; font-weight: 700; }
.tutorial-masthead h1 { font-size: 36px; letter-spacing: -.8px; margin: 10px 0 12px; line-height: 1.25; }
.tutorial-masthead p { color: #69788d; font-size: 16px; line-height: 1.8; margin: 0; }
.tutorial-search { flex: 0 1 530px; display: flex; align-items: center; gap: 12px; padding: 6px 7px 6px 18px; border: 1px solid #dfe6f0; border-radius: 12px; background: #fff; }
.tutorial-search svg { flex: none; color: #8190a4; }
.tutorial-search input { width: 100%; min-width: 0; min-height: 44px; border: 0; background: transparent; color: #17243a; font: inherit; outline-offset: 0; }
.tutorial-search input::placeholder { color: #8793a5; }
.tutorial-search button { min-height: 44px; flex: none; border: 0; border-radius: 8px; padding: 0 24px; background: #155eef; color: #fff; font: inherit; font-weight: 600; cursor: pointer; }
.tutorial-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 60px; align-items: start; }
.tutorial-list-heading { display: flex; align-items: center; justify-content: space-between; min-height: 58px; border-bottom: 1px solid #e6ebf2; gap: 16px; }
.tutorial-list-heading h2 { font-size: 23px; margin: 0; }
.tutorial-list-heading > span { font-size: 14px; color: #7c899a; white-space: nowrap; }
.tutorial-list-item { display: grid; grid-template-columns: 174px minmax(0,1fr); gap: 26px; padding: 28px 0; border-bottom: 1px solid #edf0f5; }
.tutorial-cover { display: flex; align-items: center; justify-content: center; height: 142px; background: #f0f5fc; border-radius: 9px; overflow: hidden; }
.tutorial-cover img { width: 100%; height: 100%; object-fit: contain; padding: 12px; transition: transform .18s ease; }
.tutorial-cover:hover img { transform: scale(1.04); }
.tutorial-list-item h3 { font-size: 20px; line-height: 1.5; margin: 0 0 10px; overflow-wrap: anywhere; }
.tutorial-list-item h3 a:hover, .tutorial-recommendations a:hover b { color: #155eef; }
.tutorial-meta { display: flex; align-items: center; flex-wrap: wrap; column-gap: 16px; row-gap: 6px; font-size: 13px; line-height: 1.5; color: #8994a4; }
.tutorial-meta > span:first-child { color: #306dcc; }
.tutorial-list-item p { color: #69788d; font-size: 15px; line-height: 1.9; margin: 9px 0 0; }
.tutorial-read { display: inline-flex; align-items: center; min-height: 44px; gap: 8px; color: #155eef !important; font-size: 14px; font-weight: 600; }
.tutorial-sidebar h2 { font-size: 18px; margin: 0 0 12px; padding: 18px 0; border-bottom: 1px solid #e6ebf2; }
.tutorial-category { min-height: 48px; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 0 12px; border-radius: 6px; font-size: 15px; }
.tutorial-category > span:last-child { color: #8490a1; font-size: 13px; }
.tutorial-category[aria-current], .tutorial-category:hover { background: #eff5ff; color: #155eef; }
.tutorial-category[aria-current] { font-weight: 600; }
.tutorial-recommendations { margin-top: 26px; }
.tutorial-recommendations > a { display: flex; gap: 14px; padding: 12px 0; align-items: center; }
.tutorial-recommendations img { flex: none; width: 64px; height: 70px; padding: 5px; object-fit: contain; background: #f0f5fc; border-radius: 6px; }
.tutorial-cover img.tutorial-art, .tutorial-recommendations img.tutorial-art { padding: 0; object-fit: contain; background: #f5f8fc; }
.tutorial-recommendations b { font-size: 14px; line-height: 1.7; font-weight: 600; display: block; }
.tutorial-recommendations small { display: block; margin-top: 6px; color: #8490a1; font-size: 12px; }
.tutorial-support { margin-top: 30px; padding: 22px; border-radius: 10px; background: #f5f8fc; }
.tutorial-support h2 { font-size: 16px; border: 0; padding: 0; margin-bottom: 10px; }
.tutorial-support p { font-size: 14px; color: #728198; line-height: 1.9; margin: 0; }
.tutorial-support a { display: inline-flex; gap: 8px; min-height: 44px; align-items: center; font-size: 14px; color: #155eef; font-weight: 600; }
.tutorial-pagination { display: flex; justify-content: center; gap: 10px; margin-top: 30px; }
.tutorial-pagination a { min-width: 44px; height: 44px; display: grid; place-items: center; border: 1px solid #dfe6f0; border-radius: 7px; }
.tutorial-pagination a[aria-current] { background: #155eef; border-color: #155eef; color: white; }
.tutorial-results { color: #728198; font-size: 14px; overflow-wrap: anywhere; }
.tutorial-results a { margin-left: 12px; display: inline-flex; min-height: 44px; align-items: center; color: #155eef; }
.tutorial-empty { padding: 70px 20px; text-align: center; color: #728198; }
.tutorial-empty h3 { color: #17243a; }
.tutorial-empty a { display: inline-flex; min-height: 44px; align-items: center; color: #155eef; }
.tutorial-sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.tutorial-back { display: inline-flex; align-items: center; min-height: 44px; color: #155eef !important; font-size: 14px; }
.tutorial-article-header { padding: 22px 0 30px; border-bottom: 1px solid #e6ebf2; }
.tutorial-article-header h1 { font-size: 34px; line-height: 1.45; letter-spacing: -.5px; margin: 14px 0 18px; overflow-wrap: anywhere; }
.tutorial-article-header > p { color: #6e7c90; font-size: 17px; line-height: 1.9; margin: 0 0 22px; }
.tutorial-toc { background: #f5f8fc; border-radius: 8px; padding: 24px 28px; margin: 30px 0; }
.tutorial-toc h2 { font-size: 16px; margin: 0 0 8px; }
.tutorial-toc ol { padding-left: 22px; margin: 0; color: #59708f; }
.tutorial-toc a { display: inline-flex; align-items: center; min-height: 44px; line-height: 1.6; font-size: 15px; }
.tutorial-toc a:hover { color: #155eef; }
.tutorial-article-body section { scroll-margin-top: 30px; margin-bottom: 34px; }
.tutorial-article-body h2 { font-size: 23px; line-height: 1.5; margin: 0 0 16px; display: flex; align-items: baseline; gap: 12px; }
.tutorial-article-body h2 > span { color: #155eef; font-size: 18px; font-weight: 500; }
.tutorial-article-body p { font-size: 17px; line-height: 2; color: #52627a; margin: 0 0 16px; overflow-wrap: anywhere; }
.tutorial-article-action { display: flex; align-items: center; justify-content: space-between; gap: 20px; background: #eff5ff; border-radius: 9px; padding: 24px; }
.tutorial-article-action h2 { font-size: 18px; margin: 0 0 8px; }
.tutorial-article-action p { font-size: 14px; color: #728198; margin: 0; line-height: 1.7; }
.tutorial-article-action > a { background: #155eef; color: white; border-radius: 7px; min-height: 46px; padding: 0 22px; flex: none; display: inline-flex; align-items: center; gap: 12px; font-size: 15px; }
.tutorial-adjacent { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 32px; margin-top: 30px; padding: 24px 0; border-top: 1px solid #e6ebf2; }
.tutorial-adjacent a { display: flex; flex-direction: column; gap: 10px; line-height: 1.7; }
.tutorial-adjacent small { color: #8a96a7; font-size: 13px; }
.tutorial-adjacent span { font-size: 15px; }
@media (max-width: 1100px) {
  .tutorial-layout { grid-template-columns: minmax(0,1fr) 250px; gap: 32px; }
  .tutorial-masthead { gap: 28px; }
  .tutorial-list-item { grid-template-columns: 132px minmax(0,1fr); gap: 20px; }
  .tutorial-cover { height: 130px; }
}
@media (max-width: 760px) {
  /* This stylesheet is loaded only by the tutorial pages. */
  .site-breadcrumbs { flex-wrap: wrap; }
  .site-breadcrumbs > a, .site-breadcrumbs > span[aria-hidden] { flex-shrink: 0; white-space: nowrap; }
  .tutorial-center { width: calc(100% - 36px); margin: 18px auto 44px; }
  .tutorial-masthead { flex-direction: column; align-items: stretch; gap: 22px; padding: 14px 0 24px; }
  .tutorial-masthead h1 { font-size: 29px; }
  .tutorial-masthead p { font-size: 14px; }
  .tutorial-search { flex-basis: auto; width: 100%; gap: 8px; padding-left: 12px; }
  .tutorial-search button { padding-inline: 18px; }
  .tutorial-layout { display: flex; flex-direction: column; gap: 28px; }
  .tutorial-layout > section, .tutorial-layout > article, .tutorial-sidebar { width: 100%; min-width: 0; }
  .tutorial-center:not(.tutorial-detail) .tutorial-sidebar { display: contents; }
  .tutorial-center:not(.tutorial-detail) .tutorial-sidebar > nav { order: -1; display: flex; flex-wrap: wrap; gap: 6px; }
  .tutorial-center:not(.tutorial-detail) .tutorial-sidebar > nav h2 { display: none; }
  .tutorial-center:not(.tutorial-detail) .tutorial-category { padding-inline: 12px; gap: 10px; border: 1px solid #e6ebf2; }
  .tutorial-center:not(.tutorial-detail) .tutorial-recommendations { display: none; }
  .tutorial-support { margin-top: 0; width: 100%; }
  .tutorial-list-heading h2 { font-size: 21px; }
  .tutorial-list-item { grid-template-columns: 88px minmax(0,1fr); gap: 16px; padding-block: 22px; }
  .tutorial-cover { height: 116px; }
  .tutorial-cover img { padding: 7px; }
  .tutorial-list-item h3 { font-size: 17px; margin-bottom: 8px; }
  .tutorial-list-item p { font-size: 14px; line-height: 1.8; }
  .tutorial-meta { font-size: 12px; column-gap: 10px; }
  .tutorial-article-header h1 { font-size: 27px; }
  .tutorial-article-header > p, .tutorial-article-body p { font-size: 16px; }
  .tutorial-article-body h2 { font-size: 20px; }
  .tutorial-toc { padding: 20px; }
  .tutorial-article-action { align-items: stretch; flex-direction: column; }
  .tutorial-article-action > a { justify-content: center; }
  .tutorial-adjacent { gap: 20px; }
}
@media (prefers-reduced-motion: reduce) { .tutorial-cover img { transition: none; } }