:root { color-scheme: light; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; color: #243247; background: #fff; }
* { box-sizing: border-box; }
body { margin: 0; line-height: 1.85; }
main { width: min(100% - 48px, 960px); margin: 64px auto 96px; }
main > header { margin-bottom: 32px; }
.reading-shell { width: min(100% - 48px, 1120px); margin: 0 auto; }
.reading-header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid #e6eaf0; background: #fff; }
.reading-header-inner { min-height: 88px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.reading-identity { display: flex; align-items: center; gap: 24px; }
.reading-logo { display: inline-flex; flex-shrink: 0; }
.reading-logo img { display: block; height: 36px; width: auto; }
.reading-label { padding-left: 24px; border-left: 1px solid #dce2e8; font-size: 14px; color: #526174; white-space: nowrap; }
.reading-nav { display: flex; align-items: center; gap: 28px; font-size: 14px; white-space: nowrap; }
.reading-nav a { color: #243247; text-decoration: none; }
.reading-nav a:hover { color: #165b9f; text-decoration: underline; }
.reading-nav a span { margin-left: 4px; }
.reading-footer { background: #f6f8fa; border-top: 1px solid #e6eaf0; padding: 36px 0 20px; }
.reading-footer-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 24px; padding-bottom: 24px; }
.reading-footer p { margin: 0; }
.reading-company { color: #243247; font-size: 15px; font-weight: 600; }
.reading-footer .reading-footer-note { color: #657387; font-size: 13px; margin-top: 4px; }
.reading-contact { display: flex; flex-direction: column; text-align: right; text-decoration: none; }
.reading-contact span { color: #657387; font-size: 12px; }
.reading-contact strong { color: #061b3a; font-size: 20px; font-weight: 600; letter-spacing: .3px; }
.reading-footer-bottom { display: flex; flex-wrap: wrap; gap: 8px 24px; padding-top: 18px; border-top: 1px solid #e0e6ed; color: #657387; font-size: 12px; }
.reading-footer-bottom a { color: inherit; text-decoration: none; }
.reading-footer-bottom a:hover { text-decoration: underline; }
.brand { color: #526174; font-size: 15px; }
h1 { color: #061b3a; font-size: clamp(26px, 4vw, 38px); line-height: 1.45; margin: 12px 0; }
h2 { margin: 56px 0 18px; font-size: 26px; }
h3 { margin: 36px 0 14px; font-size: 21px; }
h4 { margin: 24px 0 12px; font-size: 18px; }
h2, h3, h4 { color: #061b3a; line-height: 1.5; scroll-margin-top: 113px; }
#content { scroll-margin-top: 113px; }
p { margin: 0 0 18px; overflow-wrap: anywhere; }
a { color: #165b9f; text-underline-offset: 4px; overflow-wrap: anywhere; }
a:hover { color: #061b3a; }
a:focus-visible, .table-scroll:focus-visible { outline: 2px solid #165b9f; outline-offset: 4px; }
ul { padding-left: 24px; }
li { margin: 6px 0; }
.contents { padding: 0; border-top: 1px solid #dce2e8; }
.contents > p { font-weight: 600; }
.contents ul { list-style: none; padding: 0; }
.contents > ul { margin: 0; }
.contents .chapter-entry { margin: 0; padding: 24px 0; border-bottom: 1px solid #dce2e8; }
.chapter-entry h2 { margin: 0 0 12px; font-size: 22px; }
.chapter-entry h2 a { display: flex; justify-content: space-between; gap: 24px; text-decoration: none; }
.chapter-entry h2 a span { flex-shrink: 0; }
.chapter-entry ul { padding-left: 20px; }
.chapter-entry li { margin: 8px 0; font-size: 15px; }
.document-meta, .directory-hint { font-size: 14px; color: #526174; }
.directory-hint { margin-top: 24px; }
.breadcrumbs { margin-bottom: 32px; font-size: 14px; }
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 8px 12px; list-style: none; margin: 0; padding: 0; }
.breadcrumbs li { display: flex; gap: 12px; margin: 0; }
.breadcrumbs li + li::before { content: "/"; color: #7c8795; }
.breadcrumbs [aria-current] { color: #526174; }
.chapter-navigation { display: grid; grid-template-columns: 1fr auto 1fr; gap: 24px; align-items: end; margin-top: 48px; padding-top: 24px; border-top: 1px solid #dce2e8; }
.chapter-navigation a { font-size: 14px; }
.chapter-navigation a span { display: block; color: #526174; font-size: 12px; }
.chapter-navigation [rel="next"] { text-align: right; }
.related-products { margin-top: 48px; padding-top: 24px; border-top: 1px solid #dce2e8; }
.related-products h2 { margin-top: 0; font-size: 20px; }
.related-products ul { columns: 2; }
.related-products li { break-inside: avoid; font-size: 14px; }
.whitepaper-figure { margin: 28px 0; }
.whitepaper-figure img { display: block; width: 100%; height: auto; }
.whitepaper-figure figcaption { margin-top: 10px; color: #526174; text-align: center; font-size: 13px; }
.table-scroll { overflow-x: auto; margin: 24px 0; }
table { width: 100%; border-collapse: collapse; text-align: left; }
th, td { padding: 14px 16px; border: 1px solid #d9d9d9; vertical-align: top; min-width: 160px; }
th { background: #eef3f8; color: #061b3a; }
.skip-link { position: fixed; top: 8px; left: 24px; transform: translateY(-160%); background: #fff; padding: 8px 12px; z-index: 30; }
.skip-link:focus { transform: none; }
@media (max-width: 600px) { main { width: calc(100% - 32px); margin-top: 32px; } h2 { font-size: 23px; } th, td { padding: 10px 12px; } }
@media (max-width: 600px) { .chapter-entry h2 { font-size: 20px; } .chapter-navigation { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 20px 16px; align-items: start; } .chapter-navigation .back-to-contents { grid-column: 1 / -1; grid-row: 2; text-align: center; } .related-products ul { columns: 1; } }
@media (max-width: 600px) { .reading-shell { width: calc(100% - 32px); } .reading-header-inner { min-height: 72px; gap: 16px; } .reading-logo img { height: 28px; } .reading-label { display: none; } .reading-nav { gap: 16px; font-size: 13px; } .reading-footer { padding-top: 28px; } .reading-footer-top { flex-direction: column; gap: 20px; } .reading-contact { text-align: left; } .reading-footer-bottom { flex-direction: column; gap: 4px; } }
@media (max-width: 600px) { h2, h3, h4, #content { scroll-margin-top: 97px; } }
@media print { main { width: 100%; margin: 0; } .reading-header, .reading-footer, .contents, .skip-link { display: none; } h2, h3, h4 { break-after: avoid; } }