:root {
  --ink: #17362f;
  --muted: #6d7f77;
  --paper: #f4f0e8;
  --surface: #fffdf8;
  --line: #d8dfd8;
  --green: #20392f;
  --green-soft: #dce8df;
  --blue: #4d8b86;
  --amber: #d7b16a;
  --shadow: 0 22px 70px rgba(26, 52, 42, .12);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: var(--paper); color: var(--ink); }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--blue); }
.atlas-shell { min-height: 100vh; overflow: hidden; }
.atlas-header { width: min(1180px, calc(100% - 48px)); margin: 0 auto; min-height: 78px; display: flex; align-items: center; gap: 18px; border-bottom: 1px solid var(--line); }
.atlas-brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: .02em; font-size: 20px; }
.atlas-mark { width: 25px; height: 25px; border-radius: 8px; background: var(--green); position: relative; box-shadow: inset 7px -7px 0 rgba(77,139,134,.45); }
.atlas-mark::after { content: ""; position: absolute; width: 6px; height: 6px; border-radius: 50%; right: 5px; top: 5px; background: var(--amber); }
.atlas-label { color: var(--muted); font-size: 13px; padding-left: 12px; border-left: 1px solid var(--line); }
.atlas-nav { margin-left: auto; display: flex; gap: 22px; align-items: center; font-size: 13px; color: var(--muted); }
.atlas-nav-link { padding: 28px 0 25px; border-bottom: 2px solid transparent; }
.atlas-nav-link.is-current { color: var(--ink); border-color: var(--amber); }
.atlas-menu-toggle { display: none; border: 1px solid var(--line); border-radius: 6px; padding: 9px 12px; background: var(--surface); color: var(--ink); }
.atlas-mobile-menu { display: none; }
.atlas-main, .atlas-simple-page, .atlas-article-page { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }
.atlas-cover { min-height: 580px; display: grid; grid-template-columns: .92fr 1.08fr; gap: clamp(30px, 6vw, 92px); align-items: center; padding: 78px 0 70px; }
.atlas-cover-copy { max-width: 560px; }
.atlas-eyebrow, .atlas-page-intro > span, .atlas-section-heading > span, .atlas-article-kicker { color: var(--blue); font-size: 11px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.atlas-cover h1, .atlas-page-intro h1 { font-size: clamp(36px, 5vw, 65px); line-height: 1.05; letter-spacing: 0; margin: 20px 0 24px; max-width: 700px; }
.atlas-cover p, .atlas-page-intro > p, .atlas-section-heading > p { color: var(--muted); font-size: 17px; line-height: 1.85; margin: 0; }
.atlas-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.atlas-actions a, .atlas-section-link { display: inline-flex; align-items: center; justify-content: center; min-height: 45px; padding: 0 18px; border-radius: 6px; background: var(--green); color: #fff; font-size: 13px; font-weight: 700; }
.atlas-actions a:last-child { background: transparent; border: 1px solid var(--green); color: var(--green); }
.atlas-index-row { display: flex; gap: 28px; margin-top: 48px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.atlas-index-row span { display: grid; gap: 5px; }
.atlas-index-row b { color: var(--ink); font-size: 22px; font-weight: 700; }
.atlas-cover-visual { margin: 0; position: relative; }
.atlas-cover-visual::before { content: ""; position: absolute; inset: -18px 18px 18px -18px; border: 1px solid rgba(77,139,134,.32); border-radius: 8px; transform: rotate(-2deg); }
.atlas-cover-visual img { display: block; width: 100%; aspect-ratio: 1672 / 941; object-fit: cover; border-radius: 8px; position: relative; box-shadow: var(--shadow); }
.atlas-cover-visual figcaption { margin-top: 12px; color: var(--muted); font-size: 12px; position: relative; }
.atlas-route-board, .atlas-report-section { padding: 70px 0; border-top: 1px solid var(--line); }
.atlas-section-heading { max-width: 680px; margin-bottom: 28px; }
.atlas-section-heading h2, .atlas-feature-band h2 { font-size: clamp(27px, 3vw, 42px); line-height: 1.15; letter-spacing: 0; margin: 12px 0 12px; }
.atlas-route-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.atlas-route-grid a, .atlas-download-grid a { min-height: 178px; display: flex; flex-direction: column; justify-content: space-between; gap: 10px; padding: 21px; border: 1px solid var(--line); border-radius: 7px; background: var(--surface); transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; }
.atlas-route-grid a:hover, .atlas-download-grid a:hover { transform: translateY(-4px); border-color: var(--blue); box-shadow: 0 12px 30px rgba(77,139,134,.12); }
.atlas-route-grid b { color: var(--amber); font-size: 26px; }
.atlas-route-grid strong, .atlas-download-grid strong { font-size: 16px; }
.atlas-route-grid span, .atlas-download-grid span { color: var(--muted); font-size: 13px; line-height: 1.6; }
.atlas-route-grid em { color: var(--blue); font-size: 12px; font-style: normal; }
.atlas-feature-band { display: grid; grid-template-columns: 1fr .85fr; gap: 70px; align-items: center; padding: 68px 7%; background: var(--green); color: #f4f0e8; border-radius: 8px; }
.atlas-feature-band .atlas-eyebrow { color: var(--amber); }
.atlas-feature-band p { max-width: 560px; color: #c9d6ce; line-height: 1.85; }
.atlas-feature-band ol { list-style: none; margin: 0; padding: 0; border-left: 1px solid rgba(255,255,255,.26); }
.atlas-feature-band li { display: grid; grid-template-columns: 1fr; gap: 5px; padding: 17px 0 17px 24px; border-bottom: 1px solid rgba(255,255,255,.14); }
.atlas-feature-band li:last-child { border-bottom: 0; }
.atlas-feature-band li b { font-size: 15px; }
.atlas-feature-band li span { color: #b7c8be; font-size: 13px; }
.atlas-card-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.atlas-article-card { min-height: 240px; padding: 20px; border: 1px solid var(--line); border-radius: 7px; background: var(--surface); display: flex; flex-direction: column; }
.atlas-card-meta { display: flex; justify-content: space-between; gap: 12px; color: var(--blue); font-size: 11px; }
.atlas-card-meta time { color: var(--muted); }
.atlas-article-card h3 { margin: 23px 0 12px; font-size: 17px; line-height: 1.5; }
.atlas-article-card p { margin: auto 0 0; color: var(--muted); font-size: 13px; line-height: 1.75; }
.atlas-section-link { margin-top: 26px; background: transparent; color: var(--green); border: 1px solid var(--green); }
.atlas-report-section { padding-bottom: 100px; }
.atlas-simple-page { padding: 82px 0 100px; }
.atlas-page-intro { max-width: 760px; padding-bottom: 48px; border-bottom: 1px solid var(--line); }
.atlas-page-intro h1 { font-size: clamp(34px, 5vw, 58px); }
.atlas-download-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 36px; }
.atlas-note { margin-top: 24px; padding: 20px 22px; border-left: 3px solid var(--amber); background: var(--green-soft); }
.atlas-note strong { display: block; margin-bottom: 7px; }
.atlas-note p { margin: 0; color: var(--muted); line-height: 1.7; }
.atlas-device-list { margin-top: 42px; display: grid; gap: 10px; }
.atlas-device-list section { display: grid; grid-template-columns: 240px 1fr; gap: 20px; padding: 28px 0; border-bottom: 1px solid var(--line); }
.atlas-device-list section > div { display: flex; gap: 15px; align-items: baseline; }
.atlas-device-list b { color: var(--amber); font-size: 22px; }
.atlas-device-list h2 { margin: 0; font-size: 21px; }
.atlas-device-list p { margin: 0; color: var(--muted); line-height: 1.8; }
.atlas-help-list { margin-top: 38px; max-width: 820px; }
.atlas-help-list details { padding: 20px 0; border-bottom: 1px solid var(--line); }
.atlas-help-list summary { cursor: pointer; font-weight: 700; }
.atlas-help-list p { color: var(--muted); line-height: 1.8; margin: 15px 0 0; }
.atlas-prose { max-width: 820px; padding-top: 42px; }
.atlas-prose h2 { font-size: 22px; margin: 30px 0 10px; }
.atlas-prose p { color: var(--muted); line-height: 1.9; margin: 0; }
.atlas-contact { font-size: 22px; margin-top: 22px !important; }
.atlas-article-page { padding: 82px 0 100px; }
.atlas-article-page h1 { max-width: 850px; margin: 16px 0; font-size: clamp(34px, 5vw, 58px); line-height: 1.12; }
.atlas-article-lead { max-width: 760px; color: var(--muted); line-height: 1.85; font-size: 17px; }
.atlas-article-copy { max-width: 820px; margin-top: 50px; padding-top: 30px; border-top: 1px solid var(--line); }
.atlas-article-copy h2 { margin: 34px 0 10px; font-size: 23px; }
.atlas-article-copy p { margin: 0; color: #4c6158; line-height: 2; }
.atlas-check-table { margin: 28px 0; border-top: 1px solid var(--line); }
.atlas-check-table div { display: grid; grid-template-columns: 140px 1fr; gap: 15px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.atlas-check-table strong { color: var(--ink); }
.atlas-check-table span { color: var(--muted); }
.atlas-related { margin-top: 75px; }
.atlas-related h2 { font-size: 25px; }
.atlas-related .atlas-card-grid { grid-template-columns: repeat(3, 1fr); }
.atlas-not-found { width: min(760px, calc(100% - 48px)); margin: 0 auto; padding: 130px 0; min-height: 62vh; }
.atlas-not-found h1 { font-size: 44px; }
.atlas-not-found p { color: var(--muted); line-height: 1.8; }
.atlas-footer { width: min(1180px, calc(100% - 48px)); margin: 0 auto; padding: 34px 0 44px; display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 35px; border-top: 1px solid var(--line); }
.atlas-footer strong { font-size: 18px; }
.atlas-footer p { max-width: 350px; color: var(--muted); font-size: 12px; line-height: 1.7; }
.atlas-footer-group { display: grid; align-content: start; gap: 9px; font-size: 12px; }
.atlas-footer-group > span { color: var(--muted); margin-bottom: 4px; }
@media (max-width: 900px) {
  .atlas-nav { display: none; }
  .atlas-menu-toggle { display: block; margin-left: auto; }
  .atlas-mobile-menu { width: min(1180px, calc(100% - 48px)); margin: 0 auto; display: none; grid-template-columns: repeat(2, 1fr); gap: 2px; padding-bottom: 14px; }
  .atlas-mobile-menu.is-open { display: grid; }
  .atlas-mobile-menu a { padding: 12px; background: var(--surface); border: 1px solid var(--line); font-size: 13px; }
  .atlas-cover { grid-template-columns: 1fr; padding-top: 55px; }
  .atlas-cover-visual { max-width: 760px; }
  .atlas-route-grid, .atlas-card-grid, .atlas-download-grid { grid-template-columns: repeat(2, 1fr); }
  .atlas-feature-band { grid-template-columns: 1fr; gap: 30px; padding: 48px 7%; }
  .atlas-device-list section { grid-template-columns: 1fr; gap: 10px; }
}
@media (max-width: 560px) {
  .atlas-header, .atlas-main, .atlas-simple-page, .atlas-article-page, .atlas-footer, .atlas-mobile-menu { width: min(100% - 32px, 1180px); }
  .atlas-label { display: none; }
  .atlas-cover { min-height: 0; padding: 42px 0 54px; gap: 38px; }
  .atlas-cover h1, .atlas-page-intro h1, .atlas-article-page h1 { font-size: 35px; }
  .atlas-cover p, .atlas-page-intro > p { font-size: 15px; }
  .atlas-index-row { gap: 16px; margin-top: 34px; }
  .atlas-index-row b { font-size: 19px; }
  .atlas-route-board, .atlas-report-section { padding: 52px 0; }
  .atlas-route-grid, .atlas-card-grid, .atlas-download-grid { grid-template-columns: 1fr; }
  .atlas-route-grid a { min-height: 150px; }
  .atlas-feature-band { border-radius: 6px; }
  .atlas-section-heading h2, .atlas-feature-band h2 { font-size: 29px; }
  .atlas-article-page, .atlas-simple-page { padding: 56px 0 70px; }
  .atlas-article-copy { margin-top: 35px; }
  .atlas-check-table div { grid-template-columns: 95px 1fr; }
  .atlas-related .atlas-card-grid { grid-template-columns: 1fr; }
  .atlas-footer { grid-template-columns: 1fr 1fr; gap: 24px; }
  .atlas-footer > div:first-child { grid-column: 1 / -1; }
}