.guide-page { --guide-blue: #4568f5; }
.guide-skip { position: fixed; top: -100px; left: 20px; padding: 14px 20px; z-index: 50; background: white; border: 2px solid var(--blue); border-radius: 8px; }
.guide-skip:focus { top: 10px; }
.guide-page .nav-links [aria-current="page"] { color: var(--blue); }
.guide-heading { display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 64px; padding-block: 45px 64px; }
.guide-back { display: inline-flex; align-items: center; min-height: 44px; font-size: 14px; color: #596d8e; }
.guide-eyebrow { margin: 25px 0 14px; color: var(--blue); font-size: 14px; font-weight: 650; }
.guide-heading h1 { margin: 0; color: var(--ink-strong); font-size: clamp(32px, 3.7vw, 48px); line-height: 1.3; letter-spacing: -.05em; }
.guide-lead { max-width: 36em; margin: 22px 0 28px; color: #60738f; font-size: 16px; line-height: 1.9; }
.guide-visual { margin: 35px 0 0; }
.guide-image-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.guide-image-pair > div { min-width: 0; overflow: hidden; border-radius: 13px; background-color: white; border: 1px solid #dce5ef; }
.guide-image-pair img { display: block; width: 100%; height: auto; aspect-ratio: 1 / 1.15; object-fit: cover; }
.guide-image-pair span { min-height: 44px; display: flex; align-items: center; justify-content: center; padding: 10px; font-size: 13px; color: #4c6285; background: white; }
.guide-image-pair .guide-checker { background-image: repeating-conic-gradient(#e7edf5 0 25%,white 0 50%); background-size: 16px 16px; }
.guide-visual figcaption { margin: 14px 0 0; font-size: 12px; color: #71829c; line-height: 1.8; }
.guide-layout { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 65px; align-items: start; padding-bottom: 72px; border-top: 1px solid #dce4f0; }
.guide-sidebar { position: sticky; top: calc(var(--site-header-height) + 22px); padding-top: 24px; max-height: calc(100dvh - var(--site-header-height) - 40px); overflow-y: auto; }
.guide-toc summary { color: var(--ink); font-size: 15px; font-weight: 700; padding: 12px 0; list-style: none; pointer-events: none; }
.guide-toc summary::-webkit-details-marker { display: none; }
.guide-toc nav { display: grid; border-left: 1px solid #dbe3f0; margin-top: 8px; }
.guide-toc a { display: flex; align-items: center; min-height: 43px; padding: 9px 14px; border-left: 2px solid transparent; margin-left: -1px; color: #61718c; font-size: 14px; line-height: 1.5; }
.guide-toc a:hover, .guide-toc a[aria-current="location"] { color: #294be0; background: #eaf0ff; border-left-color: var(--blue); }
.guide-platform { margin: 22px 12px 0 0; color: #74829a; font-size: 12px; line-height: 1.8; }
.guide-content { min-width: 0; }
.guide-section { padding: 42px 0; border-bottom: 1px solid #dce4f0; scroll-margin-top: 6px; }
.guide-section h2 { margin: 0 0 22px; color: #193353; font-size: 28px; line-height: 1.45; letter-spacing: -.025em; }
.guide-section h3 { margin: 0 0 9px; color: #223d61; font-size: 18px; line-height: 1.55; }
.guide-section p { margin: 12px 0; color: #5d708c; font-size: 15px; line-height: 1.95; }
.guide-section strong { color: #304b70; font-weight: 650; }
.guide-steps { margin: 20px 0; padding-left: 25px; color: #5d708c; font-size: 15px; line-height: 1.95; }
.guide-steps li { padding-left: 8px; margin-bottom: 15px; }
.guide-steps li::marker { color: #4568f5; font-weight: 700; }
.guide-first-steps { counter-reset: first-step; list-style: none; padding: 0; }
.guide-first-steps li { position: relative; padding: 2px 0 10px 54px; counter-increment: first-step; }
.guide-first-steps li::before { content: counter(first-step); position: absolute; left: 0; top: 0; display: grid; place-items: center; width: 36px; height: 36px; color: var(--blue); background: #e6edff; border-radius: 11px; font-weight: 700; }
.guide-note { margin: 24px 0; padding: 18px 22px; border-left: 3px solid #55bcb2; background: #eaf5f3; border-radius: 0 10px 10px 0; }
.guide-note > strong { display: block; color: #286e69; font-size: 15px; }
.guide-note p { margin: 6px 0 0; color: #4b7673; font-size: 14px; }
.guide-section .guide-small { margin-top: 20px; font-size: 13px; color: #70809a; }
.guide-table-wrap { margin: 24px 0; }
.guide-table { width: 100%; border-collapse: collapse; text-align: left; font-size: 14px; line-height: 1.8; }
.guide-table caption { text-align: left; font-size: 13px; color: #6e7f98; padding-bottom: 12px; }
.guide-table th, .guide-table td { padding: 17px 16px; vertical-align: top; border-bottom: 1px solid #dce4ef; overflow-wrap: anywhere; }
.guide-table thead { background: #eaf0fb; color: #526b90; }
.guide-table thead th { font-size: 13px; font-weight: 650; }
.guide-table tbody th { width: 25%; color: #304b70; font-weight: 650; }
.guide-table td { color: #61718a; }
.guide-two-columns, .guide-license-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 32px; }
.guide-license-grid { margin-top: 24px; padding: 22px; border-radius: 12px; background: #edf2fc; }
.guide-license-grid p { margin: 0; font-size: 14px; }
.guide-definitions { margin: 24px 0; }
.guide-definitions > div { display: grid; grid-template-columns: 76px minmax(0,1fr); gap: 16px; padding: 17px 0; border-bottom: 1px solid #e0e7f1; }
.guide-definitions dt { font-size: 15px; font-weight: 700; color: #304b70; }
.guide-definitions dd { margin: 0; font-size: 15px; line-height: 1.9; color: #5d708c; }
.guide-help details { border-bottom: 1px solid #dce4ef; }
.guide-help summary { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 20px 0; cursor: pointer; list-style: none; font-size: 15px; line-height: 1.7; color: #304b70; font-weight: 650; }
.guide-help summary::-webkit-details-marker { display: none; }
.guide-help summary::after { content: "+"; flex: 0 0 auto; font-weight: 400; color: #6078b1; font-size: 22px; }
.guide-help details[open] summary::after { content: "−"; }
.guide-help summary:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; }
.guide-help details p { margin: 0 0 22px; }
.guide-bottom { display: flex; align-items: flex-start; flex-wrap: wrap; gap: 18px 24px; padding: 36px 0 0; }
.guide-bottom > div { flex-basis: 100%; }
.guide-bottom h2 { margin: 0; font-size: 23px; line-height: 1.5; }
.guide-bottom p { margin: 10px 0 0; color: #687b96; font-size: 15px; line-height: 1.8; }
.guide-home-link { display: inline-flex; align-items: center; min-height: 52px; font-size: 14px; color: #4968ba; }
@media (min-width: 1025px) { .guide-toc summary { cursor: default; } }
@media (max-width: 1024px) {
  .guide-heading { gap: 32px; padding-block: 30px 44px; }
  .guide-layout { grid-template-columns: 170px minmax(0,1fr); gap: 32px; }
  .guide-heading h1 { font-size: 36px; }
  .guide-two-columns { grid-template-columns: minmax(0,1fr); gap: 18px; }
}
@media (max-width: 760px) {
  .guide-heading { grid-template-columns: minmax(0,1fr); gap: 28px; }
  .guide-heading h1 { font-size: clamp(30px,7.5vw,40px); }
  .guide-eyebrow { margin-top: 16px; }
  .guide-lead { font-size: 15px; margin-block: 18px 24px; }
  .guide-visual { margin: 0; max-width: 520px; }
  .guide-image-pair img { aspect-ratio: 3 / 2; }
  .guide-layout { display: block; padding-bottom: 46px; }
  .guide-sidebar { position: static; max-height: none; overflow: visible; padding-top: 20px; }
  .guide-toc { background: #edf2fc; border: 1px solid #dbe4f1; border-radius: 12px; padding: 0 16px; }
  .guide-toc summary { display: flex; align-items: center; justify-content: space-between; min-height: 52px; pointer-events: auto; cursor: pointer; }
  .guide-toc summary::after { content: "+"; font-size: 22px; color: #5770a7; font-weight: 400; }
  .guide-toc[open] summary::after { content: "−"; }
  .guide-toc nav { grid-template-columns: repeat(2,minmax(0,1fr)); border-left: 0; margin: 0 0 14px; gap: 2px; }
  .guide-toc a { min-height: 44px; border-left: 0; padding: 8px; margin: 0; border-radius: 6px; }
  .guide-platform { margin-top: 14px; }
  .guide-section { padding: 32px 0; }
  .guide-section h2 { font-size: 25px; }
  .guide-license-grid { grid-template-columns: minmax(0,1fr); gap: 18px; }
}
@media (max-width: 540px) {
  .guide-table thead { display: none; }
  .guide-table, .guide-table tbody { display: block; }
  .guide-table tr { display: block; padding: 17px 0; border-bottom: 1px solid #dce4ef; }
  .guide-table tbody th { display: block; width: auto; padding: 0 0 8px; border: 0; font-size: 16px; }
  .guide-table td { display: block; padding: 5px 0; border: 0; }
  .guide-table td::before { content: attr(data-label); display: block; color: #7b8ba4; font-size: 12px; }
  .guide-steps { padding-left: 20px; }
  .guide-steps li { padding-left: 4px; }
  .guide-first-steps { padding: 0; }
  .guide-first-steps li { padding-left: 46px; }
  .guide-note { padding: 16px; }
  .guide-heading .button, .guide-bottom .button { width: 100%; }
  .guide-help summary { font-size: 15px; }
  .guide-definitions > div { grid-template-columns: 56px minmax(0,1fr); gap: 12px; }
}
@media print {
  .guide-page .topbar, .guide-sidebar, .guide-heading .button, .guide-bottom, .guide-page .footer, .guide-back { display: none; }
  .guide-layout, .guide-heading { display: block; width: 100%; }
  .guide-visual { display: none; }
  .guide-heading { padding-block: 0 24px; }
  .guide-section { break-inside: avoid; padding-block: 20px; }
}