.content-subnav { border-bottom: 1px solid var(--line); background: var(--canvas); }
.content-subnav nav { width: min(1160px, calc(100% - 64px)); margin: 0 auto; display: flex; gap: 32px; }
.content-subnav a { padding: 17px 0 15px; border-bottom: 2px solid transparent; font-size: 13px; color: var(--muted); font-weight: 550; }
.content-subnav a:hover, .content-subnav a[aria-current="page"] { color: var(--blue); border-bottom-color: var(--blue); }
.content-shell { width: min(1160px, calc(100% - 64px)); margin: 0 auto 80px; }
.content-hero { padding: 52px 0 40px; border-bottom: 1px solid var(--line); }
.content-hero h1 { max-width: 820px; margin: 14px 0 18px; font-size: 40px; font-weight: 600; line-height: 1.35; }
.content-hero > p:not(.eyebrow) { max-width: 790px; color: var(--muted); font-size: 16px; line-height: 1.85; word-break: keep-all; overflow-wrap: anywhere; }
.content-meta { display: flex; flex-wrap: wrap; gap: 16px 32px; margin: 26px 0 0; font-size: 12px; color: var(--muted); }
.content-meta > div { display: grid; gap: 3px; }
.content-meta dt { font-size: 11px; color: var(--subtle); }
.content-meta dd { margin: 0; color: var(--ink); font-size: 13px; }
.content-layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 64px; align-items: start; }
.content-index { position: sticky; top: 100px; margin-top: 38px; }
.content-index summary { list-style: none; color: var(--subtle); font-size: 12px; font-weight: 550; padding: 0 12px 12px; }
.content-index summary::-webkit-details-marker { display: none; }
.content-index summary .icon { display: none; }
.content-index nav { display: grid; gap: 4px; }
.content-index a { display: flex; gap: 12px; align-items: baseline; min-height: 40px; padding: 9px 12px; font-size: 13px; line-height: 1.6; color: var(--muted); border-left: 2px solid transparent; word-break: keep-all; }
.content-index a span { font-size: 11px; color: var(--subtle); font-variant-numeric: tabular-nums; }
.content-index a:hover, .content-index a:focus-visible { color: var(--blue); background: var(--blue-soft); border-left-color: var(--blue); }
.content-article { min-width: 0; }
.content-section { padding: 36px 0; border-bottom: 1px solid var(--line); scroll-margin-top: 20px; }
.content-section h2 { margin: 0 0 18px; font-size: 22px; font-weight: 600; line-height: 1.5; }
.content-section p, .content-section li, .content-section address { color: var(--muted); font-size: 15px; line-height: 1.95; font-weight: 400; font-style: normal; word-break: keep-all; overflow-wrap: anywhere; }
.content-section p + p, .content-section p + ul { margin-top: 16px; }
.content-section ul { display: grid; gap: 9px; margin: 0; padding-left: 20px; }
.content-section li::marker { color: var(--subtle); }
.content-section a:not(.button) { color: var(--blue); text-decoration: underline; text-decoration-color: #a4bffb; text-underline-offset: 4px; }
.content-section strong { color: var(--ink); font-weight: 600; }
.content-section .method-table { width: 100%; table-layout: fixed; border-collapse: collapse; margin-top: 24px; }
.method-table caption { padding-bottom: 10px; text-align: left; font-size: 12px; color: var(--muted); }
.method-table th, .method-table td { padding: 15px 16px; text-align: left; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 14px; line-height: 1.8; vertical-align: top; word-break: keep-all; overflow-wrap: anywhere; }
.method-table th { background: var(--canvas); color: var(--ink); font-weight: 550; }
.method-table th:first-child { width: 27%; }
.method-note { margin-top: 24px; padding: 16px 20px; border-left: 2px solid var(--green); background: var(--canvas); }
.method-note.risk { border-left-color: var(--coral); }
.method-note p { margin: 0; font-size: 14px; }
.support-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.content-related { display: flex; flex-wrap: wrap; gap: 16px 28px; padding: 30px 0; }
.content-related .text-link { color: var(--blue); font-size: 13px; }
@media (min-width: 1001px) {
  .content-index summary { pointer-events: none; }
}
@media (max-width: 1000px) {
  .content-layout { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .content-index { position: static; margin-top: 24px; border-bottom: 1px solid var(--line); }
  .content-index summary { cursor: pointer; display: flex; align-items: center; justify-content: space-between; padding: 14px 0; color: var(--ink); min-height: 48px; }
  .content-index summary .icon { display: block; }
  .content-index[open] summary .icon { transform: rotate(180deg); }
  .content-index nav { grid-template-columns: repeat(2, minmax(0, 1fr)); padding: 0 0 16px; }
}
@media (max-width: 540px) {
  .content-subnav nav { width: calc(100% - 40px); gap: 0 20px; display: grid; grid-template-columns: 1fr 1fr; }
  .content-subnav a { padding: 12px 0 10px; font-size: 12px; }
  .content-shell { width: calc(100% - 40px); margin-bottom: 48px; }
  .content-hero { padding: 34px 0 28px; }
  .content-hero h1 { font-size: 30px; margin-top: 12px; }
  .content-hero > p:not(.eyebrow) { font-size: 15px; }
  .content-meta { gap: 16px 24px; }
  .content-index nav { grid-template-columns: minmax(0, 1fr); }
  .content-index a { min-height: 44px; }
  .content-section { padding: 28px 0; }
  .content-section h2 { font-size: 20px; }
  .content-section p, .content-section li, .content-section address { font-size: 14px; }
  .method-table th, .method-table td { font-size: 13px; padding: 12px 8px; }
  .method-table th:first-child { width: 29%; }
  .method-note { padding: 14px; }
  .support-actions { flex-direction: column; align-items: stretch; }
}