.ro {
  --rail-w: clamp(220px, 15.5vw, 312px);
  --col: 960px;
  --doc-gap: clamp(32px, 2.64vw, 62px);
  --measure: 68ch;
  --row-gap: clamp(10px, 0.72vw, 14px);
  --t-press: 120ms;
}
.ro [x-cloak] { display: none !important; }
.ro [id] { scroll-margin-top: calc(var(--nav-h) + 20px); }
@media (min-width: 1100px) { .ro.rf-help [id] { scroll-margin-top: 20px; } }
.ro b, .ro strong { font-weight: 600; color: var(--ink); }
.ro .num { font-variant-numeric: tabular-nums; }
.ro code { padding: 1px 6px; border-radius: 6px; background: var(--surface); box-shadow: 0 0 0 0.5px rgba(var(--shadow-rgb), 0.2); color: var(--ink); font-family: var(--font); font-size: 0.92em; font-weight: 500; letter-spacing: 0; white-space: nowrap; overflow-wrap: anywhere; }
.ro .link .ico { transition: transform var(--t-hover) var(--ease-out); }
.ro a.link:hover .ico, .ro a:hover > .link .ico { transform: translateX(2px); }
.ro .btn:active, .ro .rf-press:active { transform: scale(0.98); }
.ro .btn { transition: background-color var(--t-hover) ease, box-shadow var(--t-hover) ease, color var(--t-hover) ease, transform var(--t-press) ease; }
.ro ::-webkit-scrollbar { width: 10px; height: 10px; }
.ro ::-webkit-scrollbar-thumb { border: 3px solid transparent; border-radius: 999px; background: rgba(var(--shadow-rgb), 0.18) padding-box; }
.ro ::-webkit-scrollbar-thumb:hover { background: rgba(var(--shadow-rgb), 0.3) padding-box; }
.ro ::-webkit-scrollbar-track { background: transparent; }
.ro * { scrollbar-color: rgba(var(--shadow-rgb), 0.22) transparent; }

.ro .rf-head { padding-bottom: clamp(29px, 2.04vw, 48px); }
.ro .rf-head .page-head { padding-bottom: clamp(20px, 1.632vw, 38px); }
.ro .rf-head .page-head h1 { max-width: 22ch; }
.ro .rf-crumbs { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 4px 8px; margin-bottom: clamp(13px, 0.96vw, 19px); font-size: var(--small); color: var(--muted); }
.ro .rf-crumbs a { display: inline-flex; align-items: center; gap: 7px; color: var(--ink-2); text-decoration: none; font-weight: 500; }
.ro .rf-crumbs a:hover { color: var(--action); text-decoration: underline; }
.ro .rf-crumbs .ico { width: 16px; height: 16px; color: var(--muted); }
.ro .rf-meta { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: clamp(14px, 1.12vw, 22px); }
.ro .rf-meta .chip { height: clamp(28px, 1.548vw, 29px); padding: 0 14px 0 11px; background: var(--surface); box-shadow: var(--shadow-control), 0 0 0 0.5px rgba(var(--shadow-rgb), 0.08); font-size: clamp(13px, 0.78vw, 15px); }
.ro .rf-meta .chip .ico { width: 16px; height: 16px; color: var(--ink-2); }

.ro .rf-tasks-wrap { max-width: 1240px; }
.ro .rf-tasks { padding: clamp(16px, 1.28vw, 26px) clamp(13px, 1.12vw, 22px) clamp(13px, 0.96vw, 19px); border-radius: var(--r-card); background: var(--surface); box-shadow: var(--shadow-object), inset 0 1px 0 #FFFFFF; }
.ro .rf-tasks-h { margin: 0 0 clamp(8px, 0.7vw, 14px) clamp(10px, 0.72vw, 14px); font-size: var(--h3); line-height: 1.2; font-weight: 600; letter-spacing: -0.015em; }
.ro .rf-tasks ul { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 2px clamp(8px, 0.72vw, 14px); }
.ro .rf-tasks a { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: clamp(11px, 0.81vw, 16px); min-height: 100%; padding: clamp(11px, 0.81vw, 16px) clamp(10px, 0.72vw, 14px); border-radius: var(--r-m); text-decoration: none; transition: background-color var(--t-hover) ease; }
.ro .rf-tasks a:hover { background: var(--surface-tint); }
.ro .rf-tasks a > .ico { width: clamp(22px, 1.4vw, 28px); height: clamp(22px, 1.204vw, 24px); color: var(--ink-2); }
.ro .rf-tasks a b { display: block; font-size: var(--body); line-height: 1.3; }
.ro .rf-tasks a > span > span { display: block; margin-top: 3px; font-size: var(--small); line-height: 1.4; color: var(--muted); }
.ro .rf-tasks .go { width: 18px; height: 18px; color: var(--faint); transition: transform var(--t-hover) var(--ease-out), color var(--t-hover) ease; }
.ro .rf-tasks a:hover .go { color: var(--action); transform: translateX(3px); }

.ro .rf-doc { display: grid; grid-template-columns: minmax(0, 1fr); gap: 0; padding: clamp(32px, 2.4vw, 58px) 0 clamp(51px, 3.6vw, 86px); }
@media (min-width: 1100px) {
  .ro .rf-doc { grid-template-columns: var(--rail-w) minmax(0, var(--col)); justify-content: center; column-gap: var(--doc-gap); }
}
.ro .rf-main { min-width: 0; }
.ro .rf-rail { position: relative; min-width: 0; margin-bottom: 32px; }
.ro .rf-rail-toggle { display: none; }
.ro .rf-rail-body { display: grid; gap: clamp(11px, 0.9vw, 16px); font-size: clamp(14px, 0.8vw, 16px); }
@media (min-width: 1100px) {
  .ro .rf-rail { margin-bottom: 0; }
  .ro .rf-rail-body { position: sticky; top: calc(var(--nav-h) + 20px); max-height: calc(100vh - var(--nav-h) - 40px); overflow-y: auto; overscroll-behavior: contain; padding: 4px 6px 24px 2px; }
}
.ro .rf-rail-group ul { display: grid; gap: 1px; margin-top: 2px; padding-left: clamp(27px, 1.52vw, 29px); }
.ro .rf-rail a { position: relative; display: flex; align-items: center; gap: 12px; min-height: 34px; padding: 5px 12px; border-radius: 8px; color: var(--ink-2); line-height: 1.3; text-decoration: none; transition: background-color 120ms ease, color 120ms ease; }
.ro .rf-rail a:hover { background: rgba(var(--shadow-rgb), 0.05); color: var(--ink); }
.ro .rf-rail a .ico { width: 20px; height: 20px; color: var(--ink-2); }
.ro .rf-rail .rf-rail-h { min-height: 38px; font-weight: 600; color: var(--ink); }
.ro .rf-rail a[aria-current="true"] { background: var(--surface); color: var(--ink); font-weight: 600; box-shadow: var(--shadow-control), 0 0 0 0.5px rgba(var(--shadow-rgb), 0.06); }
.ro .rf-rail a[aria-current="true"]::before { content: ""; position: absolute; left: 0; top: 50%; width: 3px; height: 16px; margin-top: -8px; border-radius: 2px; background: var(--action); }
.ro .rf-rail a[aria-current="true"] .ico { color: var(--action); }
.ro .rf-rail .rf-rail-mail { margin-top: 6px; color: var(--action); font-weight: 600; }
.ro .rf-rail .rf-rail-mail .ico { color: var(--action); }
@media (max-width: 1099px) {
  .ro .rf-rail { padding: 6px; border-radius: var(--r-panel); background: var(--surface); box-shadow: var(--shadow-panel); }
  .ro .rf-rail.rf-js .rf-rail-toggle { display: flex; align-items: center; gap: 12px; width: 100%; height: 48px; padding: 0 12px; border: 0; border-radius: 10px; background: transparent; font-weight: 600; cursor: pointer; }
  .ro .rf-rail.rf-js .rf-rail-toggle .chev { margin-left: auto; color: var(--muted); transition: transform 240ms var(--ease-out); }
  .ro .rf-rail.rf-js .rf-rail-toggle[aria-expanded="true"] .chev { transform: rotate(180deg); }
  .ro .rf-rail.rf-js .rf-rail-body { display: none; padding: 6px 6px 10px; }
  .ro .rf-rail.rf-js #toc-h { display: none; }
  .ro .rf-rail.rf-js.open .rf-rail-body { display: grid; }
  .ro .rf-rail.rf-js { position: sticky; top: calc(var(--nav-h) + 8px); z-index: 20; }
  .ro .rf-rail.rf-js.open .rf-rail-body { max-height: calc(100vh - var(--nav-h) - 96px); overflow-y: auto; overscroll-behavior: contain; }
  .ro .rf-rail-body { padding: 8px; }
}

.ro .rf-sec { padding-top: clamp(32px, 2.16vw, 53px); }
.ro .rf-sec:first-child { padding-top: 0; }
.ro .rf-sec + .rf-sec { margin-top: clamp(8px, 0.72vw, 14px); }
.ro .rf-open { display: flex; align-items: flex-start; gap: clamp(13px, 0.99vw, 20px); margin-bottom: clamp(16px, 1.2vw, 26px); }
.ro .rf-open .tile-ico { flex: none; width: clamp(44px, 2.8vw, 56px); background: var(--surface); box-shadow: var(--shadow-panel); color: var(--ink); }
.ro .rf-open h2 { padding-top: clamp(4px, 0.3vw, 8px); font-size: var(--h2); line-height: 1.08; font-weight: 600; letter-spacing: -0.03em; text-wrap: balance; }
.ro .rf-open-lede { margin-top: 8px; font-size: var(--lede); line-height: 1.45; color: var(--ink-2); text-wrap: pretty; }

.ro .rf-prose { max-width: var(--measure); font-size: var(--body); line-height: 1.62; color: var(--ink-2); }
.ro .rf-prose > * + * { margin-top: 0.85em; }
.ro .rf-prose h3, .ro .rf-h3 { margin-top: clamp(27px, 1.768vw, 38px); margin-bottom: 0.5em; font-size: var(--h3); line-height: 1.25; font-weight: 600; letter-spacing: -0.015em; color: var(--ink); text-wrap: balance; }
.ro .rf-prose > h3:first-child { margin-top: clamp(8px, 0.72vw, 14px); }
.ro .rf-prose h4 { margin-top: 1.6em; font-size: var(--body); font-weight: 600; color: var(--ink); }
.ro .rf-prose h3 + p, .ro .rf-prose h4 + p { margin-top: 0; }
.ro .rf-prose p { text-wrap: pretty; }
.ro .rf-prose ul, .ro .rf-prose ol { display: grid; gap: 0.55em; padding-left: 1.3em; }
.ro .rf-prose ul:not(.plain) { list-style: disc; }
.ro .rf-prose ol:not(.plain) { list-style: decimal; }
.ro .rf-prose ul ul { margin-top: 0.55em; }
.ro .rf-prose li::marker { color: var(--muted); }
.ro .rf-prose ol li::marker { color: var(--muted); font-weight: 600; }
.ro .rf-prose a:not(.link) { color: var(--action); font-weight: 600; text-decoration: underline; text-decoration-color: rgba(46, 90, 135, 0.35); }
.ro .rf-prose a:not(.link):hover { text-decoration-color: currentColor; text-decoration-thickness: 2px; }
.ro .rf-prose .link { display: inline; }
.ro .rf-aside { color: var(--muted); }
.ro .rf-fine { margin-top: clamp(18px, 1.28vw, 26px); font-size: var(--small); color: var(--muted); }
.ro .rf-fine .link { display: inline; }

.ro .rf-path { display: inline-flex; align-items: center; gap: 2px; padding: 0 5px; border-radius: 999px; background: var(--surface); box-shadow: 0 0 0 0.5px rgba(var(--shadow-rgb), 0.2); color: var(--ink); font-size: 0.92em; font-weight: 500; line-height: 1.6; white-space: nowrap; vertical-align: baseline; }
.ro .rf-path .ico { width: 13px; height: 13px; color: var(--muted); }
@media (max-width: 640px) { .ro .rf-path { white-space: normal; flex-wrap: wrap; } }

.ro .plain.rf-steps { display: grid; gap: 0; margin: 0 0 clamp(24px, 1.632vw, 33px); padding: 6px clamp(13px, 0.96vw, 19px); border-radius: var(--r-panel); background: var(--surface); box-shadow: var(--shadow-panel); }
.ro .rf-steps li { display: grid; grid-template-columns: auto minmax(0, 1fr); align-items: start; gap: clamp(13px, 0.99vw, 18px); padding: clamp(11px, 0.81vw, 16px) 0; }
.ro .rf-steps li + li { border-top: 1px solid var(--surface-2); }
.ro .rf-steps .tile-ico { width: clamp(38px, 2.4vw, 46px); }
.ro .rf-steps p { padding-top: clamp(7px, 0.5vw, 11px); line-height: 1.55; color: var(--ink-2); max-width: var(--measure); }
.ro .rf-steps .link { display: inline; }

.ro .rf-defs { display: grid; gap: 2px; margin: 1.1em 0 1.4em; padding: 6px clamp(13px, 0.96vw, 19px); border-radius: var(--r-panel); background: var(--surface); box-shadow: var(--shadow-panel); }
.ro .rf-defs > div { display: grid; gap: 4px 28px; padding: clamp(11px, 0.81vw, 16px) 0; }
.ro .rf-defs > div + div { border-top: 1px solid var(--surface-2); }
.ro .rf-defs dt { display: flex; align-items: center; gap: 10px; font-weight: 600; color: var(--ink); }
.ro .rf-defs dt .ico { width: 20px; height: 20px; color: var(--ink-2); }
.ro .rf-defs dd { margin: 0; font-size: var(--small); line-height: 1.55; color: var(--ink-2); }
@media (min-width: 761px) { .ro .rf-defs > div { grid-template-columns: minmax(0, 11em) minmax(0, 1fr); } }

.ro .plain.rf-tiers { display: grid; gap: 0; margin: 1.1em 0 1.4em; padding: 6px clamp(13px, 0.96vw, 19px); border-radius: var(--r-panel); background: var(--surface); box-shadow: var(--shadow-panel); }
.ro .rf-tiers li { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: clamp(11px, 0.9vw, 18px); align-items: start; padding: clamp(11px, 0.81vw, 16px) 0; }
.ro .rf-tiers li + li { border-top: 1px solid var(--surface-2); }
.ro .rf-tiers .n { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 999px; background: var(--surface-2); color: var(--ink); font-size: 14px; font-weight: 600; }
.ro .rf-tiers p { padding-top: 3px; font-size: var(--small); line-height: 1.6; color: var(--ink-2); max-width: var(--measure); }
.ro .rf-tiers p b { font-size: var(--body); }
.ro .rf-tier { display: inline-block; margin: 0 6px 0 4px; padding: 0 8px; border-radius: 999px; background: var(--surface-2); font-size: 12px; font-weight: 600; line-height: 1.75; color: var(--ink-2); vertical-align: 0.1em; }
.ro .rf-tiers-wide .n { display: none; }
.ro .rf-tiers-wide li { grid-template-columns: minmax(0, 1fr); }

.ro .rf-table { margin: 1.1em 0 1.4em; }
.ro .rf-table .table { font-size: var(--small); }
.ro .rf-table .table th, .ro .rf-table .table td { padding: clamp(10px, 0.75vw, 15px) clamp(13px, 0.9vw, 18px); }
.ro .rf-table .table th[scope="row"] { font-size: var(--small); font-weight: 500; color: var(--ink); background: transparent; white-space: normal; text-align: left; border-top: 1px solid var(--surface-2); }
.ro .rf-table .table thead th { font-size: clamp(12.5px, 0.68vw, 16px); }
.ro .rf-table .table td.num, .ro .rf-table .table th.num { text-align: right; white-space: nowrap; }
.ro .rf-table .table .strong { font-weight: 600; color: var(--ink); }
.ro .rf-table .table .none { color: var(--muted); }
.ro .rf-table caption { padding: clamp(11px, 0.81vw, 14px) clamp(13px, 0.9vw, 18px) 4px; text-align: left; font-size: var(--small); font-weight: 600; color: var(--ink); caption-side: top; }
.ro .rf-table tbody tr:first-child > * { border-top: 0; }
.ro .rf-narrow { max-width: 560px; }
.ro .rf-scroll .table { white-space: nowrap; }
@media (max-width: 760px) {
  .ro .rf-scroll { background: linear-gradient(to left, transparent, var(--surface) 70%) right center / 44px 100% no-repeat local, linear-gradient(to left, rgba(var(--shadow-rgb), 0.14), transparent) right center / 22px 100% no-repeat scroll, var(--surface); }
}
.ro .rf-part { display: inline-flex; align-items: center; gap: 10px; }
.ro .rf-part i { flex: none; width: 10px; height: 10px; border-radius: 3px; background: var(--pc); }
.ro .rf-part .ico { width: 18px; height: 18px; color: var(--ink-2); }
.ro .rf-mod th[scope="row"] { color: var(--ink-2); }
.ro .rf-pair { display: grid; gap: clamp(11px, 0.9vw, 18px); margin: 1.1em 0 1.4em; }
.ro .rf-pair .rf-table { margin: 0; }
@media (min-width: 761px) { .ro .rf-pair { grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: start; } }
.ro .rf-pass, .ro .rf-fail { display: inline-flex; align-items: center; gap: 7px; font-weight: 500; }
.ro .rf-pass .ico { width: 16px; height: 16px; color: var(--ok-ink); }
.ro .rf-fail { color: var(--warn-ink); }
.ro .rf-fail .ico { width: 16px; height: 16px; color: var(--warn); }

.ro .rf-fig { margin: 1.2em 0 1.6em; padding: clamp(16px, 1.28vw, 26px) clamp(14px, 1.28vw, 26px); border-radius: var(--r-panel); background: var(--surface); box-shadow: var(--shadow-panel); }
.ro .rf-fig figcaption { margin-top: 14px; font-size: var(--small); color: var(--muted); }
.ro .rf-hundred .hundred { --h: clamp(14px, 1vw, 20px); gap: clamp(3px, 0.3vw, 6px); }
.ro .rf-hundred .hundred .seg { gap: 10px; }
.ro .rf-hundred .hundred .nm { order: -1; flex-wrap: wrap; align-content: flex-end; min-height: 2.6em; font-size: clamp(12.5px, 0.78vw, 15px); font-weight: 600; color: var(--ink); white-space: normal; line-height: 1.25; }
.ro .rf-hundred .hundred .nm b { font-weight: 500; color: var(--muted); }

.ro .plain.rf-formula { display: grid; gap: 8px; margin: 1.1em 0 0; }
.ro .rf-formula li { display: grid; grid-template-columns: 7.5em minmax(0, 1fr); align-items: baseline; gap: 14px; padding: clamp(11px, 0.81vw, 14px) clamp(14px, 0.96vw, 19px); border-radius: var(--r-well); background: var(--surface-2); }
.ro .rf-formula .k { font-size: var(--small); font-weight: 600; color: var(--muted); }
.ro .rf-formula .x { font-size: clamp(15px, 0.892vw, 18px); font-weight: 500; letter-spacing: -0.005em; color: var(--ink); }
.ro .rf-formula .x b { margin: 0 0.15em; color: var(--muted); }

.ro .rf-grades { padding-top: clamp(22px, 1.36vw, 27px); }
.ro .rf-gmeter { position: relative; height: 54px; margin: 0 clamp(4px, 0.9vw, 14px) 14px; }
.ro .rf-gmeter .track { position: absolute; left: 0; right: 0; top: 4px; height: 10px; border-radius: 999px; background: linear-gradient(90deg, var(--surface-3) 0 40%, #CDD2D8 40% 55%, #B4BBC3 55% 70%, #8E979F 70% 85%, #5B636B 85% 95%, var(--accent) 95%); }
.ro .rf-gmeter .tick { position: absolute; top: 0; display: grid; justify-items: start; padding-top: 22px; font-size: 12.5px; line-height: 1.2; color: var(--muted); }
.ro .rf-gmeter .tick::before { content: ""; position: absolute; left: 0; top: 0; width: 2px; height: 18px; border-radius: 1px; background: var(--surface); box-shadow: 0 0 0 0.5px rgba(var(--shadow-rgb), 0.2); }
.ro .rf-gmeter .tick:first-of-type::before { display: none; }
.ro .rf-gmeter .tick b { font-size: clamp(14.5px, 0.855vw, 16px); color: var(--ink); }
.ro .rf-gradelist { display: grid; gap: 2px 28px; margin-top: 10px; }
.ro .rf-gradelist > div { display: grid; grid-template-columns: 9.5em minmax(0, 1fr); align-items: baseline; gap: 16px; padding: 10px 0; }
.ro .rf-gradelist > div + div { border-top: 1px solid var(--surface-2); }
.ro .rf-gradelist dt { display: flex; align-items: baseline; gap: 12px; font-size: var(--small); color: var(--muted); }
.ro .rf-gradelist .gr { min-width: 1.7em; font-size: clamp(21.5px, 1.28vw, 25.5px); line-height: 1; font-weight: 600; letter-spacing: -0.03em; color: var(--ink); }
.ro .rf-gradelist .gr.low { color: var(--warn-ink); }
.ro .rf-gradelist dd { margin: 0; font-size: var(--small); line-height: 1.5; color: var(--ink-2); }
@media (min-width: 1100px) { .ro .rf-gradelist { grid-template-columns: repeat(2, minmax(0, 1fr)); } .ro .rf-gradelist > div:nth-child(2) { border-top: 0; } }

.ro .rf-parth, .ro .rf-modh { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 12px; }
.ro .rf-parth i { flex: none; width: 14px; height: 14px; border-radius: 4px; background: var(--pc); }
.ro .rf-parth .w, .ro .rf-modh .w { padding: 0 10px; border-radius: 999px; background: var(--surface-2); font-size: var(--small); font-weight: 600; line-height: 1.75; color: var(--ink-2); letter-spacing: 0; }
.ro .rf-modh .ico { width: 22px; height: 22px; color: var(--ink-2); }

.ro .rf-examples { display: grid; gap: clamp(11px, 0.9vw, 18px); margin: 1.2em 0 1.6em; }
@media (min-width: 761px) { .ro .rf-examples { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.ro .rf-examples .panel { display: grid; align-content: start; gap: 10px; font-size: var(--small); line-height: 1.55; color: var(--ink-2); }
.ro .rf-examples h4 { font-size: clamp(15px, 0.892vw, 17px); line-height: 1.3; font-weight: 600; letter-spacing: -0.01em; color: var(--ink); text-wrap: balance; }
.ro .rf-ex-meta { display: inline-flex; align-items: center; gap: 7px; width: fit-content; margin-top: -2px; padding: 0 10px; border-radius: 999px; background: var(--surface-2); font-size: 13px; line-height: 1.85; color: var(--ink-2); }
.ro .rf-ex-meta .ico { width: 15px; height: 15px; }
.ro .rf-examples ul { display: grid; gap: 6px; }
.ro .rf-examples li { position: relative; padding-left: 16px; }
.ro .rf-examples li::before { content: ""; position: absolute; left: 0; top: 0.65em; width: 6px; height: 6px; border-radius: 50%; background: var(--line-strong); }
.ro .rf-calc { padding: 12px 14px; border-radius: var(--r-m); background: var(--surface-2); color: var(--ink); font-weight: 500; }

.ro .plain.rf-notes { display: grid; gap: 2px; margin: 1.1em 0 0; max-width: calc(var(--measure) + 40px); }
.ro .rf-notes li { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 14px; padding: 12px 0; }
.ro .rf-notes li + li { border-top: 1px solid var(--line); }
.ro .rf-notes li > .ico { width: 20px; height: 20px; margin-top: 3px; color: var(--ink-2); }
.ro .rf-notes p { font-size: var(--small); line-height: 1.6; color: var(--ink-2); }
.ro .rf-notes .link { display: inline; }

.ro .plain.rf-pages { display: grid; gap: 2px; padding: 6px clamp(13px, 0.96vw, 19px); border-radius: var(--r-panel); background: var(--surface); box-shadow: var(--shadow-panel); }
.ro .rf-pages li { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: clamp(11px, 0.9vw, 16px); padding: clamp(11px, 0.81vw, 16px) 0; }
.ro .rf-pages li + li { border-top: 1px solid var(--surface-2); }
.ro .rf-pages .tile-ico { width: 40px; }
.ro .rf-pages .nm { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; font-weight: 600; color: var(--ink); }
.ro .rf-pages .nm span { font-size: 13px; font-weight: 400; color: var(--muted); }
.ro .rf-pages p + p { margin-top: 4px; font-size: var(--small); line-height: 1.55; color: var(--ink-2); max-width: var(--measure); }
.ro .rf-pages .link { display: inline; }

.ro .rf-options { display: grid; gap: clamp(11px, 0.9vw, 18px); margin: 1.1em 0 1.4em; }
@media (min-width: 761px) { .ro .rf-options { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.ro .rf-options .panel { display: grid; align-content: start; gap: 10px; }
.ro .rf-options .panel > p:last-child { font-size: var(--small); line-height: 1.6; color: var(--ink-2); }
.ro .rf-opt-h { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px; font-weight: 600; color: var(--ink); }
.ro .rf-opt-h .ico { width: 20px; height: 20px; color: var(--ink-2); }
.ro .rf-opt-h .chip { height: 24px; font-size: 12px; }

.ro .rf-fixes { display: grid; gap: 2px; margin: 0.6em 0 1.6em; padding: 4px clamp(13px, 0.96vw, 19px); border-radius: var(--r-panel); background: var(--surface); box-shadow: var(--shadow-panel); }
.ro .rf-fixes > div { display: grid; gap: 6px 28px; padding: clamp(11px, 0.81vw, 16px) 0; }
.ro .rf-fixes > div + div { border-top: 1px solid var(--surface-2); }
.ro .rf-fixes dt { display: flex; align-items: flex-start; gap: 10px; font-weight: 600; line-height: 1.35; color: var(--ink); }
.ro .rf-fixes dt .ico { width: 18px; height: 18px; margin-top: 1px; color: var(--warn); }
.ro .rf-fixes dd { margin: 0; font-size: var(--small); line-height: 1.6; color: var(--ink-2); }
.ro .rf-fixes .link { display: inline; }
@media (min-width: 761px) { .ro .rf-fixes > div { grid-template-columns: minmax(0, 15em) minmax(0, 1fr); } }

.ro .plain.rf-channels { display: grid; gap: 10px; margin: 0 0 clamp(14px, 1.12vw, 22px); }
.ro .rf-channels a { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: clamp(13px, 0.99vw, 20px); padding: clamp(13px, 0.99vw, 20px) clamp(14px, 1.04vw, 21px); border-radius: var(--r-panel); background: var(--surface); box-shadow: var(--shadow-panel); text-decoration: none; transition: box-shadow var(--t-hover) ease, background-color var(--t-hover) ease; }
.ro .rf-channels a:hover { background: var(--surface-tint); }
.ro .rf-channels b { display: block; font-size: var(--body); }
.ro .rf-channels a > span:nth-child(2) > span { display: block; margin-top: 3px; font-size: var(--small); line-height: 1.5; color: var(--muted); }
.ro .rf-channels .link { white-space: nowrap; }
@media (max-width: 760px) { .ro .rf-channels a { grid-template-columns: auto minmax(0, 1fr); } .ro .rf-channels .link { grid-column: 2; } }

.ro .rf-check { display: grid; gap: 12px; }
.ro .rf-check-h { font-weight: 600; color: var(--ink); }
.ro .rf-check ul { display: grid; gap: 8px; }
.ro .rf-check li { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 10px; font-size: var(--small); line-height: 1.5; color: var(--ink-2); }
.ro .rf-check li > .ico { width: 18px; height: 18px; margin-top: 1px; color: var(--ok-ink); }

.ro .rf-catalog { display: grid; grid-template-columns: minmax(0, 1fr); gap: 8px; margin: 1.1em 0 1.6em; }
.ro .rf-cat { min-width: 0; border-radius: var(--r-panel); background: color-mix(in srgb, var(--surface) 55%, var(--ground-alt)); transition: background-color var(--t-hover) ease, box-shadow var(--t-hover) ease; }
.ro .rf-cat.is-open { background: var(--surface); box-shadow: var(--shadow-panel); }
.ro .rf-cat-sum { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 14px; width: 100%; min-height: 56px; padding: 12px clamp(13px, 1.08vw, 20px); border: 0; border-radius: var(--r-panel); background: transparent; text-align: left; cursor: pointer; }
.ro .rf-cat-sum:hover { background: rgba(var(--shadow-rgb), 0.05); }
.ro .rf-cat-sum .nm { font-weight: 600; color: var(--ink); }
.ro .rf-cat-sum .code { font-size: 12.5px; font-weight: 500; color: var(--muted); }
.ro .rf-cat-sum .facts { display: inline-flex; flex-wrap: wrap; gap: 4px 14px; font-size: 13px; color: var(--muted); }
.ro .rf-cat-sum .chev { margin-left: auto; width: 20px; height: 20px; color: var(--muted); transition: transform 240ms var(--ease-out); }
.ro .rf-cat.is-open .chev { transform: rotate(180deg); }
.ro .rf-cat-body { padding: 4px clamp(13px, 1.08vw, 20px) clamp(14px, 1.04vw, 19px); }
.ro .rf-cat-note { max-width: var(--measure); font-size: var(--small); line-height: 1.6; color: var(--ink-2); }
.ro .rf-cat-h { margin-top: 18px; font-size: var(--small); font-weight: 600; color: var(--ink); }
.ro .rf-cat-h + .rf-cat-note { margin-top: 4px; }
.ro .rf-cat .rf-table { box-shadow: none; border-radius: 10px; }

.ro .rf-figs { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 14px 24px; margin: 1em 0; }
.ro .rf-figs > div { min-width: 0; }
.ro .rf-figs dt { display: flex; align-items: center; gap: 7px; font-size: clamp(13px, 0.68vw, 16px); color: var(--muted); }
.ro .rf-figs dt .ico { width: 17px; height: 17px; color: var(--ink-2); }
.ro .rf-figs dd { margin: 3px 0 0; font-size: clamp(16.5px, 1.02vw, 19.5px); line-height: 1.25; font-weight: 600; letter-spacing: -0.01em; color: var(--ink); }
.ro .rf-figs dd small { margin-left: 5px; font-size: clamp(13px, 0.68vw, 16px); font-weight: 500; letter-spacing: 0; color: var(--muted); white-space: nowrap; }
.ro .rf-figs dd small.sub { display: block; margin: 3px 0 0; font-weight: 400; line-height: 1.4; white-space: normal; }
.ro .rf-figs > div > p { margin-top: 4px; font-size: 13px; line-height: 1.5; color: var(--muted); }

.ro.rf-help .rf-prose, .ro.rf-help .rf-steps p, .ro.rf-help .rf-tiers p, .ro.rf-help .rf-pages p + p, .ro.rf-help .rf-cat-note, .ro.rf-help .plain.rf-notes, .ro.rf-help .rf-narrow { max-width: none; }
.ro.rf-help .rf-whole { white-space: nowrap; hyphens: manual; }
.ro.rf-help .rf-main code { display: inline-block; line-height: 1.3; white-space: nowrap; hyphens: manual; }
@media (min-width: 761px) {
  .ro.rf-help .rf-scroll .table { white-space: normal; }
  .ro.rf-help .rf-scroll .table th, .ro.rf-help .rf-scroll .table td { padding-inline: clamp(8px, 0.62vw, 14px); }
  .ro.rf-help .rf-scroll .table th { white-space: normal; vertical-align: bottom; }
  .ro.rf-help .rf-scroll .table td:not(.num) { overflow-wrap: break-word; }
}
@media (min-width: 1100px) { .ro.rf-help .rf-tasks-wrap { max-width: calc(var(--rail-w) + var(--doc-gap) + var(--col)); } }
.ro .rf-shot { margin: 1.2em 0 1.6em; padding: clamp(10px, 0.81vw, 14px); border-radius: var(--r-panel); background: var(--surface); box-shadow: var(--shadow-panel); }
.ro .rf-shot-frame { display: grid; justify-items: center; align-items: start; gap: clamp(10px, 0.81vw, 14px); }
.ro .rf-shot img { display: block; max-width: 100%; height: auto; border-radius: 10px; background: var(--ground-alt); box-shadow: 0 0 0 1px rgba(var(--shadow-rgb), 0.08); }
.ro .rf-shot figcaption { margin: 12px 4px 2px; font-size: var(--small); line-height: 1.5; color: var(--muted); }
@media (min-width: 761px) { .ro .rf-shot-frame.is-pair { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.ro .rf-shot:has(> .is-card) { padding: 0; border-radius: 0; background: transparent; box-shadow: none; }
.ro .rf-shot:has(> .is-card) img { border-radius: 0; background: transparent; box-shadow: none; }
.ro .rf-tasks a > span > span { text-wrap: pretty; }
@media (min-width: 761px) {
  .ro .rf-choices .table tbody th[scope="row"] { white-space: nowrap; }
  .ro .rf-shot:has(> .is-narrow) { display: grid; grid-template-columns: auto minmax(0, 1fr); align-items: center; gap: clamp(16px, 1.3vw, 28px); }
  .ro .rf-shot:has(> .is-narrow) figcaption { margin: 0 8px 0 0; }
}

@media (max-width: 1099px) {
  .ro .rf-tasks ul { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .ro .rf-choices .table, .ro .rf-choices tbody, .ro .rf-choices tr, .ro .rf-choices th, .ro .rf-choices td { display: block; width: auto; }
  .ro .rf-choices thead { display: none; }
  .ro .rf-choices .table tbody tr { padding: 13px 16px; }
  .ro .rf-choices .table tbody tr + tr { border-top: 1px solid var(--surface-2); }
  .ro .rf-choices .table tbody th[scope="row"], .ro .rf-choices .table tbody td { padding: 0; border: 0; }
  .ro .rf-choices .table tbody td { margin-top: 3px; }
  .ro .rf-choices .table tbody td:last-child { color: var(--muted); }
  .ro .rf-choices td[data-l]::before { content: attr(data-l) ": "; font-weight: 500; color: var(--ink-2); }
  .ro .rf-tasks ul { grid-template-columns: minmax(0, 1fr); }
  .ro .rf-tasks a { padding: 12px 8px; }
  .ro .rf-open { gap: 12px; }
  .ro .rf-open .tile-ico { width: 40px; }
  .ro .rf-formula li { grid-template-columns: minmax(0, 1fr); gap: 2px; }
  .ro .rf-gradelist > div { grid-template-columns: minmax(0, 1fr); gap: 4px; }
  .ro .rf-hundred .hundred { display: grid; grid-template-columns: repeat(100, minmax(0, 1fr)); row-gap: 8px; }
  .ro .rf-hundred .hundred .seg { display: contents; }
  .ro .rf-hundred .hundred .fill { grid-row: 1; margin-right: 3px; }
  .ro .rf-hundred .hundred .seg:nth-child(1) .fill { grid-column: 1 / span 30; }
  .ro .rf-hundred .hundred .seg:nth-child(2) .fill { grid-column: 31 / span 20; }
  .ro .rf-hundred .hundred .seg:nth-child(3) .fill { grid-column: 51 / span 15; }
  .ro .rf-hundred .hundred .seg:nth-child(4) .fill { grid-column: 66 / span 15; }
  .ro .rf-hundred .hundred .seg:nth-child(5) .fill { grid-column: 81 / span 10; }
  .ro .rf-hundred .hundred .seg:nth-child(6) .fill { grid-column: 91 / span 10; margin-right: 0; }
  .ro .rf-hundred .hundred .nm { grid-column: span 33; flex-wrap: nowrap; align-items: center; gap: 6px; min-height: 0; font-size: 12px; }
  .ro .rf-hundred .hundred .seg:nth-child(3n) .nm { grid-column: span 34; }
  .ro .rf-hundred .hundred .nm::before { content: ""; flex: none; width: 8px; height: 8px; border-radius: 50%; background: var(--pc); }
  .ro .rf-hundred .hundred .nm b { display: none; }
  .ro .rf-inst-scale .rf-axis span:nth-last-child(2n):not(:first-child) { display: none; }
  .ro .rf-strip-axis span:nth-last-child(2n):not(:first-child), .ro .rf-strip-axis span:nth-child(2) { display: none; }
}

.ro .rf-sechead { max-width: 820px; margin: 0 0 clamp(16px, 1.28vw, 29px); }
.ro .rf-sechead h2, .ro .rf-h2 { font-size: var(--h2); line-height: 1.08; font-weight: 600; letter-spacing: -0.03em; text-wrap: balance; }
.ro .rf-sechead p { margin-top: clamp(8px, 0.7vw, 14px); font-size: var(--lede); line-height: 1.45; color: var(--ink-2); text-wrap: pretty; }
.ro .rf-sechead .link, .ro .rf-plain .link { display: inline; }
.ro .rf-atlas .rf-sechead { max-width: 900px; margin-inline: auto; text-align: center; }

.ro .rf-atlas { padding: clamp(32px, 2.16vw, 53px) 0 clamp(45px, 3vw, 72px); }
.ro .rf-tools { display: grid; grid-template-columns: minmax(0, 1.4fr) auto; align-items: center; gap: 12px clamp(14px, 1.28vw, 26px); margin: 0 auto clamp(13px, 0.96vw, 19px); padding: clamp(11px, 0.9vw, 16px); border-radius: var(--r-card); background: var(--surface); box-shadow: var(--shadow-object), inset 0 1px 0 #FFFFFF; }
.ro .rf-search { position: relative; display: flex; align-items: center; }
.ro .rf-search > .ico { position: absolute; left: 16px; width: 20px; height: 20px; color: var(--muted); pointer-events: none; }
.ro .rf-search input { width: 100%; height: 50px; padding: 0 18px 0 46px; border: 0; border-radius: 999px; background: var(--surface-2); color: var(--ink); font: inherit; font-size: 16px; box-shadow: inset 0 0 0 1px transparent; transition: box-shadow var(--t-hover) ease, background-color var(--t-hover) ease; }
.ro .rf-search input:hover { box-shadow: inset 0 0 0 1px var(--line-strong); }
.ro .rf-search input:focus { outline: none; background: var(--surface); box-shadow: inset 0 0 0 2px var(--action); }
.ro .rf-search input::placeholder { color: var(--muted); }
.ro .rf-filters { display: flex; flex-wrap: wrap; gap: 4px; grid-column: 1 / -1; padding: 4px; border-radius: 12px; background: var(--surface-3); width: fit-content; max-width: 100%; }
.ro .rf-filter { display: inline-flex; align-items: center; height: 34px; padding: 0 14px; border: 0; border-radius: 9px; background: transparent; color: var(--ink-2); font: inherit; font-size: 14px; white-space: nowrap; cursor: pointer; transition: background-color 120ms ease, color 120ms ease, transform var(--t-press) ease; }
.ro .rf-filter:hover { background: rgba(var(--shadow-rgb), 0.05); }
.ro .rf-filter:active { transform: scale(0.97); }
.ro .rf-filter[aria-pressed="true"] { background: var(--surface); color: var(--ink); font-weight: 600; box-shadow: var(--shadow-control); }
.ro .rf-probe { display: flex; align-items: center; gap: 12px; grid-column: 2; grid-row: 1; }
.ro .rf-probe label { display: inline-flex; align-items: center; gap: 7px; font-size: var(--small); font-weight: 600; color: var(--ink); white-space: nowrap; }
.ro .rf-probe output { min-width: 5.2em; font-size: var(--small); font-weight: 600; color: var(--ink); }
.ro input[type="range"] { -webkit-appearance: none; appearance: none; width: clamp(160px, 14vw, 300px); height: 28px; background: transparent; cursor: pointer; }
.ro input[type="range"]::-webkit-slider-runnable-track { height: 6px; border-radius: 3px; background: var(--surface-3); }
.ro input[type="range"]::-moz-range-track { height: 6px; border-radius: 3px; background: var(--surface-3); }
.ro input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 20px; height: 20px; margin-top: -7px; border-radius: 50%; background: var(--surface); box-shadow: inset 0 0 0 3px var(--accent), 0 1px 3px rgba(var(--shadow-rgb), 0.3); }
.ro input[type="range"]::-moz-range-thumb { width: 20px; height: 20px; border: 0; border-radius: 50%; background: var(--surface); box-shadow: inset 0 0 0 3px var(--accent), 0 1px 3px rgba(var(--shadow-rgb), 0.3); }
.ro input[type="range"]:focus-visible { outline: 2px solid var(--action); outline-offset: 4px; border-radius: 6px; }
.ro .rf-probe-sum { margin: 0 auto clamp(11px, 0.9vw, 18px); text-align: center; font-size: var(--small); color: var(--ink-2); }
.ro .rf-probe-sum b { font-weight: 600; }

.ro .rf-atlas-board { display: grid; gap: clamp(14px, 1.12vw, 22px); }
.ro .rf-group { display: grid; gap: 6px; }
.ro .rf-group[hidden] { display: none; }
.ro .rf-group-h { display: flex; align-items: baseline; gap: 12px; margin: 0 0 4px clamp(13px, 1.04vw, 22px); font-size: var(--h3); line-height: 1.2; font-weight: 600; letter-spacing: -0.015em; }
.ro .rf-group-h span { font-size: var(--small); font-weight: 500; letter-spacing: 0; color: var(--muted); }
.ro .rf-group > div { display: grid; gap: 6px; }
.ro .rf-brow { --row: color-mix(in srgb, var(--surface) 55%, var(--ground-alt)); display: grid; grid-template-columns: minmax(0, 3.6fr) minmax(0, 8fr) minmax(0, 1.5fr); align-items: center; gap: 2px var(--gap); min-height: clamp(52px, 2.924vw, 58.5px); padding: 6px clamp(13px, 1.04vw, 22px); border-radius: 14px; background: var(--row); transition: background-color var(--t-hover) ease, box-shadow var(--t-hover) ease; }
.ro .rf-brow[hidden] { display: none; }
.ro .rf-brow:hover { --row: var(--surface); box-shadow: var(--shadow-panel); }
.ro .rf-brow.is-in { --row: var(--surface); box-shadow: var(--shadow-panel); }
.ro .rf-axisrow { position: sticky; top: var(--nav-h); z-index: 3; min-height: 0; padding-top: 8px; padding-bottom: 6px; border-radius: 0; background: color-mix(in srgb, var(--ground-alt) 90%, transparent); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); }
.ro .rf-axisrow:hover { --row: transparent; background: color-mix(in srgb, var(--ground-alt) 90%, transparent); box-shadow: none; }
.ro .rf-brow .who { display: grid; min-width: 0; text-decoration: none; }
.ro .rf-brow .who b { font-size: clamp(14px, 0.85vw, 17px); line-height: 1.25; text-wrap: pretty; }
.ro .rf-brow .who span { font-size: clamp(12.5px, 0.78vw, 15px); line-height: 1.35; color: var(--muted); }
.ro .rf-brow .who:hover b { color: var(--action); text-decoration: underline; text-underline-offset: 0.18em; }
.ro .rf-brow .rng { display: grid; justify-items: end; font-size: clamp(13.5px, 0.88vw, 17px); font-weight: 600; color: var(--ink); white-space: nowrap; text-align: right; }
.ro .rf-brow .rng small { font-size: 12px; font-weight: 500; color: var(--muted); }

.ro .rf-scale { --pc: var(--part-descent); --pt: var(--part-descent-track); position: relative; height: clamp(26px, 1.462vw, 29px); }
.ro .rf-scale::before { content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 2px; margin-top: -1px; border-radius: 1px; background: rgba(var(--shadow-rgb), 0.08); }
.ro .rf-scale .full { position: absolute; left: 0; top: 0; bottom: 0; height: clamp(10px, 0.602vw, 12px); margin: auto 0; border-radius: 999px; background: var(--pt); }
.ro .rf-scale .band { position: absolute; top: 0; bottom: 0; height: clamp(10px, 0.602vw, 12px); margin: auto 0; border-radius: 999px; background: var(--pc); }
.ro .rf-scale.no-floor .full { background: color-mix(in srgb, var(--pc) 40%, var(--pt)); }
.ro .rf-scale.is-vertical .full { background: repeating-linear-gradient(90deg, var(--pt) 0 6px, color-mix(in srgb, var(--pc) 35%, var(--pt)) 6px 9px); }
.ro .rf-scale .probe { position: absolute; top: -6px; bottom: -6px; left: calc(var(--probe, 0) * 1%); display: none; width: 0; border-left: 1.5px dashed var(--accent); opacity: 0.75; }
.ro .rf-live .rf-scale .probe { display: block; }
.ro .rf-scale .median { position: absolute; top: 0; bottom: 0; width: clamp(14px, 1vw, 20px); height: clamp(14px, 0.86vw, 17px); margin: auto 0 auto calc(clamp(13px, 0.9vw, 18px) / -2); border-radius: 50%; background: var(--surface); box-shadow: inset 0 0 0 3px var(--accent), 0 1px 2px rgba(var(--shadow-rgb), 0.2); }
.ro .rf-axis { position: relative; height: 1.5em; font-size: clamp(12px, 0.75vw, 14.5px); color: var(--muted); }
.ro .rf-axis span { position: absolute; bottom: 0; transform: translateX(-50%); white-space: nowrap; }
.ro .rf-axis span:first-child { transform: none; }
.ro .rf-axis span.last { transform: translateX(-100%); }
.ro .plain.rf-legend { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 24px; margin: 0 0 clamp(13px, 0.96vw, 19px); font-size: var(--small); color: var(--muted); }
.ro .rf-legend li { display: inline-flex; align-items: center; gap: 8px; }
.ro .rf-legend li .ico { width: 16px; height: 16px; color: var(--ink-2); }
.ro .rf-legend i { flex: none; width: 22px; height: 10px; border-radius: 999px; }
.ro .rf-legend .k-full { background: var(--part-descent-track); }
.ro .rf-legend .k-band { background: var(--part-descent); }
.ro .rf-legend .k-probe { width: 0; height: 16px; border-radius: 0; border-left: 1.5px dashed var(--accent); }
.ro .rf-atlas:not(.rf-live) .rf-legend .k-probe, .ro .rf-atlas:not(.rf-live) .rf-legend li:last-child { display: none; }

.ro .rf-found { margin: 0 0 clamp(16px, 1.28vw, 26px); padding: clamp(11px, 0.9vw, 16px); border-radius: var(--r-card); background: var(--surface); box-shadow: var(--shadow-panel); }
.ro .rf-found-h { margin: 2px 0 8px clamp(4px, 0.6vw, 12px); font-size: var(--small); font-weight: 600; color: var(--ink); }
.ro .rf-found ul { display: grid; gap: 4px; }
.ro .rf-found .rf-brow { --row: var(--surface-tint); }
.ro .rf-found .who b { font-weight: 600; }

.ro .rf-row-guides { grid-column: 1 / -1; display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin: 2px 0 6px; font-size: 13.5px; color: var(--muted); }
.ro .rf-row-guides .ico { width: 16px; height: 16px; margin-right: 2px; color: var(--ink-2); }
.ro .rf-row-guides a { padding: 2px 10px; border-radius: 999px; background: var(--surface); box-shadow: var(--shadow-control), 0 0 0 0.5px rgba(var(--shadow-rgb), 0.08); color: var(--ink-2); font-weight: 500; text-decoration: none; transition: color var(--t-hover) ease; }
.ro .rf-row-guides a:hover { color: var(--action); text-decoration: underline; text-underline-offset: 0.18em; }
.ro .rf-quiet.rf-fallback { justify-content: center; margin: clamp(14px, 1.12vw, 22px) auto 0; text-align: left; }

.ro .rf-inst { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); align-items: center; gap: clamp(17px, 1.36vw, 33px) clamp(19px, 1.8vw, 43px); padding: clamp(17px, 1.36vw, 30px) clamp(17px, 1.632vw, 35px); border-radius: var(--r-card); background: radial-gradient(140% 60% at 50% 0%, var(--surface) 62%, var(--surface-tint) 100%); box-shadow: var(--shadow-object), inset 0 1px 0 #FFFFFF; }
.ro .rf-inst-read .k { display: flex; align-items: center; gap: 8px; font-size: var(--small); font-weight: 600; color: var(--muted); }
.ro .rf-inst-read .k .ico { width: 18px; height: 18px; color: var(--ink-2); }
.ro .rf-inst-read .fig { margin-top: 8px; font-size: clamp(30.5px, 2.37vw, 50.5px); }
.ro .rf-inst-read .fig-cap { max-width: 34ch; }
.ro .rf-inst-scale { display: grid; gap: 6px; }
.ro .rf-inst-scale .rf-scale { height: clamp(40px, 2.236vw, 48px); }
.ro .rf-inst-scale .rf-scale .full, .ro .rf-inst-scale .rf-scale .band { height: clamp(16px, 0.946vw, 19px); }
.ro .rf-inst-note { display: flex; align-items: center; gap: 8px; margin-top: 6px; font-size: 13.5px; color: var(--muted); }
.ro .rf-inst-note .ico { width: 16px; height: 16px; color: var(--accent); }
.ro .rf-inst-figs { grid-column: 1 / -1; margin: 0; padding-top: clamp(14px, 1.12vw, 22px); border-top: 1px solid var(--surface-2); grid-template-columns: repeat(auto-fit, minmax(min(100%, 190px), 1fr)); }
.ro .rf-inst-none { grid-column: 1 / -1; display: flex; align-items: flex-start; gap: 8px; margin-top: -4px; font-size: var(--small); color: var(--muted); }
.ro .rf-inst-none .ico { flex: none; width: 16px; height: 16px; margin-top: 3px; color: var(--ink-2); }
@media (min-width: 761px) { .ro .nb { white-space: nowrap; } }

.ro .rf-acwrap { display: grid; gap: clamp(45px, 3vw, 72px); padding: clamp(38px, 2.76vw, 67px) 0 var(--sec-pad); }
.ro .rf-block { min-width: 0; }
.ro .rf-intro { max-width: 46ch; font-size: var(--lede); line-height: 1.5; color: var(--ink-2); text-wrap: pretty; }
@media (min-width: 1100px) { .ro .rf-intro { max-width: none; columns: 2; column-gap: clamp(28px, 3vw, 64px); } }
.ro .rf-plain { max-width: var(--measure); margin-top: 14px; color: var(--ink-2); }
.ro .rf-sechead.is-ico { display: grid; grid-template-columns: auto minmax(0, 1fr); align-items: start; gap: clamp(13px, 0.99vw, 20px); max-width: 900px; }
.ro .rf-sechead.is-ico .tile-ico { width: clamp(44px, 2.8vw, 56px); background: var(--surface); box-shadow: var(--shadow-panel); color: var(--ink); }
.ro .rf-sechead.is-ico h2 { padding-top: clamp(4px, 0.3vw, 8px); }
.ro .rf-quiet { display: flex; align-items: flex-start; gap: 10px; max-width: var(--measure); margin: 0; font-size: var(--small); line-height: 1.55; color: var(--muted); }
.ro .rf-quiet > .ico { flex: none; width: 18px; height: 18px; margin-top: 2px; color: var(--ink-2); }
.ro .rf-quiet .link { display: inline; }
.ro .rf-cat-none { margin-top: 14px; }
.ro .rf-coach-panel .rf-h2 { margin-bottom: 4px; }
.ro .rf-ref-grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); align-items: start; gap: clamp(17px, 1.36vw, 30px); }
.ro .rf-ref-side { display: grid; gap: clamp(24px, 1.632vw, 33px); min-width: 0; }
.ro .rf-ref .rf-h3 { display: flex; align-items: center; gap: 10px; margin: 0 0 14px; font-size: clamp(16.5px, 0.984vw, 19.5px); }
.ro .rf-ref .rf-h3 .ico { width: 20px; height: 20px; color: var(--ink-2); }
.ro .rf-ref .rf-data { display: block; }
.ro .rf-ref .rf-match { margin-top: clamp(16px, 1.12vw, 22px); }
.ro .rf-ref-side .rf-reading { grid-template-columns: minmax(0, 1fr); }
.ro .nw { white-space: nowrap; }
.ro .rf-intro + .rf-coach-grid { margin-top: clamp(26px, 1.8vw, 38px); }
.ro .rf-coach-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(17px, 1.36vw, 33px); align-items: start; }
.ro .rf-h2 { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; font-size: var(--h3); letter-spacing: -0.02em; }
.ro .rf-h2 .ico { width: 24px; height: 24px; color: var(--ink-2); }
.ro .rf-coach { display: grid; gap: 8px; }
.ro .rf-coach-grid > .rf-coach-panel { align-self: stretch; }
.ro .rf-coach li { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 12px; padding: 8px 0; font-size: var(--small); line-height: 1.55; color: var(--ink-2); }
.ro .rf-coach li > .ico { width: 18px; height: 18px; margin-top: 2px; color: var(--ok-ink); }
.ro .rf-coach.is-warn li { color: var(--ink-2); }
.ro .rf-coach.is-warn li > .ico { color: var(--warn); }

.ro .rf-curves { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 380px), 1fr)); gap: clamp(11px, 0.9vw, 18px); }
.ro .rf-curve { padding: clamp(14px, 1.12vw, 22px); border-radius: var(--r-panel); background: var(--surface); box-shadow: var(--shadow-panel); }
.ro .rf-curve figcaption, .ro .rf-strip figcaption, .ro .rf-spread figcaption { display: grid; gap: 4px; margin-bottom: clamp(13px, 0.96vw, 19px); }
.ro .rf-curve figcaption b, .ro .rf-strip figcaption b, .ro .rf-spread figcaption b { font-size: clamp(15px, 0.892vw, 17px); line-height: 1.3; }
.ro .rf-curve figcaption span, .ro .rf-strip figcaption span { font-size: var(--small); line-height: 1.5; color: var(--muted); }
.ro .rf-bars { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(0, 1fr); align-items: start; gap: clamp(6px, 0.6vw, 12px); }
.ro .rf-bars .bar { display: grid; justify-items: center; gap: 6px; }
.ro .rf-bars .v { font-size: clamp(14px, 0.9vw, 17px); font-weight: 600; color: var(--ink); }
.ro .rf-bars .col { position: relative; display: block; width: 100%; max-width: 46px; height: clamp(90px, 7vw, 150px); border-radius: 8px; background: var(--surface-2); overflow: hidden; }
.ro .rf-bars .col i { position: absolute; left: 0; right: 0; bottom: 0; border-radius: 8px 8px 0 0; background: var(--bar); }
.ro .rf-bars .bar:first-child .col i { background: var(--accent); }
.ro .rf-bars .x { font-size: 12.5px; color: var(--muted); white-space: nowrap; }
.ro .rf-bars .x small { margin-left: 2px; font-size: 11px; }
.ro .rf-unit { display: none; font-weight: 500; color: var(--muted); }
@media (max-width: 1700px) { .ro .rf-bars .bar:not(:last-child) .x small { display: none; } }
.ro .rf-figs-big { grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: clamp(14px, 1.12vw, 22px); padding: clamp(14px, 1.12vw, 22px); border-radius: var(--r-panel); background: var(--surface); box-shadow: var(--shadow-panel); }

.ro .rf-strip { margin: 0 0 clamp(14px, 1.12vw, 22px); padding: clamp(14px, 1.12vw, 22px) clamp(16px, 1.44vw, 29px); border-radius: var(--r-panel); background: var(--surface); box-shadow: var(--shadow-panel); }
.ro .rf-strip-line { position: relative; height: calc(34px + (var(--rows, 1) - 1) * 14px); margin: 0 6px; }
.ro .rf-strip-line::before { content: ""; position: absolute; left: 0; right: 0; bottom: 16px; height: 2px; border-radius: 1px; background: var(--surface-3); }
.ro .rf-strip .dot { position: absolute; bottom: calc(10px + var(--k, 0) * 14px); width: 14px; height: 14px; margin: 0 0 0 -7px; border-radius: 50%; background: var(--surface); box-shadow: inset 0 0 0 3px var(--accent), 0 1px 2px rgba(var(--shadow-rgb), 0.25); transition: transform var(--t-hover) var(--ease-out), box-shadow var(--t-hover) ease; }
.ro .rf-strip .dot:hover, .ro .rf-strip .dot:focus-visible { z-index: 2; transform: scale(1.3); box-shadow: inset 0 0 0 4px var(--action), 0 1px 3px rgba(var(--shadow-rgb), 0.3); }
.ro .rf-strip .tip { position: absolute; left: 50%; bottom: calc(100% + 10px); display: none; transform: translateX(-50%); padding: 7px 11px; border-radius: 10px; background: var(--surface); color: var(--ink-2); box-shadow: var(--shadow-object); font-size: 13px; line-height: 1.3; white-space: nowrap; pointer-events: none; }
.ro .rf-strip .tip b { margin-left: 6px; color: var(--ink); }
.ro .rf-strip .dot:hover .tip, .ro .rf-strip .dot:focus-visible .tip { display: block; }
.ro .rf-strip-axis { margin: 6px 6px 0; }

.ro .rf-families { --gap: clamp(11px, 0.9vw, 18px); display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); gap: var(--gap); align-items: start; }
.ro .rf-families:has(> :nth-child(5)) { display: block; columns: 4 280px; column-gap: var(--gap); }
.ro .rf-families:has(> :nth-child(5)) > * { margin-bottom: var(--gap); break-inside: avoid; }
.ro .rf-fam { padding: clamp(13px, 1.08vw, 20px); border-radius: var(--r-panel); background: var(--surface); box-shadow: var(--shadow-panel); }
.ro .rf-fam h3 { display: flex; align-items: center; gap: 9px; margin-bottom: 10px; font-size: clamp(14.5px, 0.855vw, 16px); font-weight: 600; }
.ro .rf-fam h3 .ico { width: 18px; height: 18px; color: var(--ink-2); }
.ro .rf-fam h3 span { margin-left: auto; padding: 0 8px; border-radius: 999px; background: var(--surface-2); font-size: 12.5px; font-weight: 600; line-height: 1.7; color: var(--ink-2); }
.ro .rf-fam ul { display: grid; gap: 2px; }
.ro .rf-fam a { display: flex; align-items: baseline; gap: 10px; padding: 6px 8px; border-radius: 8px; font-size: var(--small); color: var(--ink); text-decoration: none; transition: background-color 120ms ease; }
.ro .rf-fam a:hover { background: var(--surface-2); }
.ro .rf-fam a span { min-width: 0; flex: 1; }
.ro .rf-fam a small { font-size: 12.5px; color: var(--muted); white-space: nowrap; }
.ro .rf-fam a .ico { width: 16px; height: 16px; align-self: center; color: var(--action); }

.ro .rf-more { margin-top: clamp(13px, 0.96vw, 19px); }
.ro .rf-more summary { display: inline-flex; align-items: center; gap: 9px; margin-left: -14px; padding: 10px 14px; border-radius: 999px; list-style: none; cursor: pointer; font-weight: 600; color: var(--ink); transition: background-color 120ms ease; }
.ro .rf-more summary::-webkit-details-marker { display: none; }
.ro .rf-more summary:hover { background: rgba(var(--shadow-rgb), 0.05); }
.ro .rf-more summary .ico { width: 18px; height: 18px; color: var(--ink-2); }
.ro .rf-more summary .chev { transition: transform 240ms var(--ease-out); }
.ro .rf-more[open] summary .chev { transform: rotate(180deg); }

.ro .rf-shared-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(11px, 0.9vw, 18px); align-items: stretch; }
.ro .rf-stat .rf-figs { grid-template-columns: repeat(2, minmax(0, 1fr)); margin: 0; gap: clamp(14px, 1.12vw, 22px) 24px; }
.ro .rf-stat .rf-figs dd { font-size: clamp(21.5px, 1.44vw, 29px); letter-spacing: -0.02em; }
.ro .rf-spread-bars { display: grid; gap: 10px; }
.ro .rf-spread-bars .row { display: grid; grid-template-columns: 2.4em minmax(0, 1fr) 3.4em; align-items: center; gap: 12px; }
.ro .rf-spread-bars .gr { font-size: clamp(16.5px, 1.02vw, 19.5px); font-weight: 600; letter-spacing: -0.02em; }
.ro .rf-spread-bars .gr.low { color: var(--warn-ink); }
.ro .rf-spread-bars .track { position: relative; display: block; height: 12px; border-radius: 999px; background: var(--surface-2); overflow: hidden; }
.ro .rf-spread-bars .track i { position: absolute; inset: 0 auto 0 0; border-radius: inherit; background: var(--accent); }
.ro .rf-spread-bars .pc { font-size: var(--small); font-weight: 600; text-align: right; }
.ro .panel.empty { display: grid; justify-items: center; gap: 10px; padding: clamp(24px, 1.768vw, 38px) 20px; text-align: center; }
.ro .panel.empty .tile-ico { width: 52px; }
.ro .panel.empty h3 { font-size: var(--h3); font-weight: 600; letter-spacing: -0.015em; }
.ro .panel.empty p { max-width: 46ch; color: var(--muted); }
.ro .panel.empty .link { display: inline; }

.ro .rf-mini-board { display: grid; gap: 14px; }
.ro .rf-mini-h { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; font-weight: 600; }
.ro .rf-mini-h .ico { width: 18px; height: 18px; color: var(--ink-2); }
.ro .rf-mini-h span { font-size: var(--small); font-weight: 400; color: var(--muted); }

.ro .rf-data { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(17px, 1.36vw, 30px); }
.ro .rf-kv { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 28px; }
.ro .rf-kv dt { font-size: clamp(13px, 0.68vw, 16px); color: var(--muted); }
.ro .rf-kv dd { margin: 2px 0 0; font-weight: 500; color: var(--ink); }
.ro .rf-kv .link { display: inline; }
.ro .rf-match p { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); }
.ro .rf-match p .ico { width: 18px; height: 18px; color: var(--ink-2); }
.ro .rf-match ul { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.ro .rf-match code { display: inline-block; padding: 4px 10px; border-radius: 999px; }

.ro .rf-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.ro .rf-chips a { display: inline-flex; align-items: baseline; gap: 8px; padding: 8px 14px; border-radius: 999px; background: var(--surface); box-shadow: var(--shadow-control), 0 0 0 0.5px rgba(var(--shadow-rgb), 0.08); font-size: var(--small); font-weight: 500; color: var(--ink); text-decoration: none; transition: background-color 120ms ease; }
.ro .rf-chips a:hover { background: var(--surface-2); }
.ro .rf-chips small { font-size: 12.5px; color: var(--muted); }

.ro .rf-reading { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px var(--gap); }
.ro .rf-reading a { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 14px; padding: 14px 16px; border-radius: var(--r-panel); background: var(--surface); box-shadow: var(--shadow-panel); text-decoration: none; transition: background-color var(--t-hover) ease; }
.ro .rf-reading a:hover { background: var(--surface-tint); }
.ro .rf-reading a > .ico { width: 20px; height: 20px; color: var(--ink-2); }
.ro .rf-reading b { display: block; }
.ro .rf-reading span span { display: block; font-size: 13.5px; color: var(--muted); }
.ro .rf-reading .go { color: var(--faint); transition: transform var(--t-hover) var(--ease-out), color var(--t-hover) ease; }
.ro .rf-reading a:hover .go { color: var(--action); transform: translateX(3px); }

@media (max-width: 1099px) {
  .ro .rf-inst { grid-template-columns: minmax(0, 1fr); }
  .ro .rf-inst-figs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ro .rf-shared-grid, .ro .rf-data { grid-template-columns: minmax(0, 1fr); }
  .ro .rf-brow { grid-template-columns: minmax(0, 3.6fr) minmax(0, 8fr) minmax(7.5em, 1.5fr); }
}
@media (max-width: 760px) {
  .ro .rf-tools { grid-template-columns: minmax(0, 1fr); }
  .ro .rf-probe { grid-column: 1; grid-row: auto; flex-wrap: wrap; }
  .ro .rf-probe input[type="range"] { flex: 1; width: auto; min-width: 140px; }
  .ro .rf-filters { width: 100%; }
  .ro .rf-filter { flex: 1 0 auto; justify-content: center; }
  .ro .rf-brow { grid-template-columns: minmax(0, 1fr) auto; gap: 4px 12px; padding: 10px 14px; }
  .ro .rf-brow .who { grid-column: 1; }
  .ro .rf-brow .rng { grid-column: 2; grid-row: 1; }
  .ro .rf-brow .rf-scale { grid-column: 1 / -1; }
  .ro .rf-axisrow { display: none; }
  .ro .rf-coach-grid, .ro .rf-reading, .ro .rf-kv { grid-template-columns: minmax(0, 1fr); }
  .ro .rf-bars .x { font-size: 11px; }
}

.ro .rf-center { margin-inline: auto; text-align: center; }
.ro .hidden { display: none !important; }
.ro .rf-apsearch-wrap { max-width: 860px; }
.ro .rf-apsearch { --field: clamp(60px, 3.268vw, 65.5px); position: relative; }
.ro .rf-apsearch .lead { position: absolute; left: 22px; top: calc(var(--field) / 2); width: 22px; height: 22px; margin-top: -11px; color: var(--muted); pointer-events: none; }
.ro .rf-apsearch input { width: 100%; height: var(--field); padding: 0 60px 0 58px; border: 0; border-radius: 999px; background: var(--surface); color: var(--ink); font: inherit; font-size: clamp(16px, 0.892vw, 18px); box-shadow: var(--shadow-object), inset 0 0 0 1px transparent; transition: box-shadow var(--t-hover) ease; }
.ro .rf-apsearch input:focus { outline: none; box-shadow: var(--shadow-object), inset 0 0 0 2px var(--action); }
.ro .rf-apsearch input::placeholder { color: var(--muted); }
.ro .rf-apsearch input::-webkit-search-cancel-button { -webkit-appearance: none; }
.ro #airport-search-clear { position: absolute; right: 14px; top: calc(var(--field) / 2); display: grid; place-items: center; width: 38px; height: 38px; margin-top: -19px; padding: 0; border: 0; border-radius: 999px; background: var(--surface-2); color: var(--ink-2); cursor: pointer; }
.ro #airport-search-clear:hover { background: var(--surface-3); color: var(--ink); }
.ro #airport-results { position: absolute; left: 0; right: 0; top: calc(100% + 10px); z-index: 30; text-align: left; }
.ro #airport-results > div { overflow: hidden; padding: 6px !important; border: 0; border-radius: var(--r-panel); background: var(--surface); box-shadow: var(--shadow-object); }
.ro #airport-results .airport-result { display: block; padding: 10px 14px; border: 0 !important; border-radius: 10px; color: var(--ink); text-decoration: none; transition: background-color 120ms ease; }
.ro #airport-results .airport-result:hover, .ro #airport-results .airport-result:focus, .ro #airport-results .airport-result[aria-selected="true"] { outline: none; background: var(--surface-2); }
.ro #airport-results .airport-result > div:first-child { display: flex; align-items: baseline; gap: 10px; }
.ro #airport-results .airport-result > div:first-child > span:first-child { font-weight: 600; letter-spacing: 0.02em; }
.ro #airport-results .airport-result > div:last-child { margin-top: 2px; font-size: 13px; color: var(--muted); }
.ro #airport-results mark { border-radius: 3px; background: var(--action-soft); color: var(--action); }
.ro #airport-results p { color: var(--ink-2); }
.ro #airport-results .font-mono { font-family: inherit; }
.ro .rf-keys { margin-top: 14px; text-align: center; font-size: 13px; color: var(--muted); }
.ro kbd { display: inline-block; min-width: 1.6em; padding: 1px 7px; border-radius: 6px; background: var(--surface); box-shadow: 0 0 0 0.5px rgba(var(--shadow-rgb), 0.18), 0 1px 0 rgba(var(--shadow-rgb), 0.18); font: inherit; font-size: 12px; font-weight: 600; color: var(--ink-2); text-align: center; }
@media (pointer: coarse) { .ro .rf-keys { display: none; } }

.ro .rf-world { padding: clamp(32px, 2.16vw, 53px) 0 clamp(38px, 2.64vw, 62px); }
.ro .rf-map { position: relative; margin: 0 auto; padding: clamp(13px, 1.12vw, 22px); border-radius: var(--r-card); background: var(--surface); box-shadow: var(--shadow-object), inset 0 1px 0 #FFFFFF; }
.ro .rf-map svg { display: block; width: 100%; height: auto; overflow: visible; }
.ro .rf-map .land { fill: none; stroke: #C3C9D0; stroke-width: 2.1; stroke-linecap: round; }
.ro .rf-map .spot { fill: rgba(46, 90, 135, 0.18); stroke: var(--action); stroke-width: 1.3; transition: fill var(--t-hover) ease; }
.ro .rf-map a:hover .spot, .ro .rf-map a:focus-visible .spot { fill: rgba(46, 90, 135, 0.6); }
.ro .rf-map a:focus-visible { outline: none; }
.ro .rf-map a:focus-visible .spot { stroke-width: 3.5; }
.ro .rf-map .tags text { fill: var(--ink); font-family: var(--font); font-size: 11px; font-weight: 600; paint-order: stroke; stroke: #FFFFFF; stroke-width: 3px; stroke-linejoin: round; }
.ro .rf-map-empty { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 12px; font-size: var(--small); color: var(--muted); }
.ro .rf-ap-lists { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(11px, 0.9vw, 18px); margin-top: clamp(13px, 0.96vw, 19px); }
.ro .rf-list-h { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; font-size: clamp(15.5px, 0.935vw, 18px); font-weight: 600; letter-spacing: -0.01em; }
.ro .rf-list-h .ico { width: 20px; height: 20px; color: var(--ink-2); }
.ro .rf-aprank { display: grid; gap: 2px; }
.ro .rf-aprank a { display: grid; grid-template-columns: 4.2em minmax(0, 1fr) minmax(60px, 0.6fr) 6.2em; align-items: center; gap: 14px; padding: 9px 10px; border-radius: 10px; color: var(--ink); text-decoration: none; transition: background-color 120ms ease; }
.ro .rf-aprank.is-recent a { grid-template-columns: 4.2em minmax(0, 1fr) 7.5em; }
.ro .rf-aprank a:hover { background: var(--surface-2); }
.ro .rf-aprank .code, .ro .rf-near .code { font-weight: 600; letter-spacing: 0.02em; }
.ro .rf-aprank .nm { display: grid; min-width: 0; }
.ro .rf-aprank .nm small { font-size: 12.5px; color: var(--muted); }
.ro .rf-aprank .meter { height: 8px; }
.ro .rf-aprank .n { display: grid; justify-items: end; font-weight: 600; text-align: right; }
.ro .rf-aprank .n small { font-size: 12px; font-weight: 400; color: var(--muted); }

.ro .rf-popular .rf-pop-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: clamp(14px, 1.12vw, 22px); }
.ro .rf-popular h2 { font-size: var(--h2); line-height: 1.08; font-weight: 600; letter-spacing: -0.03em; }
.ro .rf-popular[aria-busy="true"] #popular-grid, .ro #popular-grid.opacity-40 { opacity: 0.4; }
.ro #popular-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: clamp(10px, 0.72vw, 14px); transition: opacity 200ms ease; }
.ro #popular-grid > a { position: relative; display: grid; align-content: start; gap: 6px; min-width: 0; padding: clamp(13px, 0.99vw, 20px); border: 0; border-radius: var(--r-panel); background: var(--surface); box-shadow: var(--shadow-panel); color: var(--ink); text-decoration: none; transform: none !important; transition: box-shadow var(--t-hover) ease, background-color var(--t-hover) ease; }
.ro #popular-grid > a:hover { background: var(--surface-tint); box-shadow: var(--shadow-panel), 0 0 0 1px var(--line); }
.ro #popular-grid > a > span[aria-hidden] { display: none; }
.ro #popular-grid > a > div:first-of-type { display: flex; align-items: baseline; gap: 8px; margin: 0; }
.ro #popular-grid > a > div:first-of-type > span:first-child { font-size: clamp(20px, 1.2vw, 24px); line-height: 1; font-weight: 600; letter-spacing: -0.01em; color: var(--ink); }
.ro #popular-grid > a > div:first-of-type > span + span { font-size: 13px; font-weight: 600; color: var(--muted); }
.ro #popular-grid > a > p { min-height: 2.6em; margin: 0; font-size: var(--small); font-weight: 600; line-height: 1.3; color: var(--ink); text-wrap: pretty; }
.ro #popular-grid > a > div:last-child { display: flex; margin: 0; font-size: 13px; color: var(--muted); }
.ro #popular-grid > a > div:last-child p { margin: 0; color: var(--muted); }
.ro #popular-grid > a > div:last-child > span { display: none; }
.ro .rf-pop-note { margin-top: 18px; text-align: center; font-size: var(--small); color: var(--muted); }

.ro .rf-apbar { border-bottom: 1px solid var(--line); background: var(--surface); }
.ro .rf-apbar .wrap { display: flex; align-items: center; gap: 16px; padding: 10px 0; }
.ro .rf-back { display: inline-flex; align-items: center; gap: 6px; padding: 8px 12px 8px 8px; border-radius: 999px; color: var(--ink-2); font-size: var(--small); font-weight: 600; text-decoration: none; transition: background-color 120ms ease; }
.ro .rf-back:hover { background: var(--surface-2); color: var(--ink); }
.ro .rf-apsearch.is-small { --field: 46px; flex: 1; max-width: 560px; margin-left: auto; }
.ro .rf-apsearch.is-small .lead { left: 16px; width: 18px; height: 18px; margin-top: -9px; }
.ro .rf-apsearch.is-small input { padding: 0 48px 0 44px; font-size: 16px; background: var(--surface-2); box-shadow: none; }
.ro .rf-apsearch.is-small input:focus { background: var(--surface); box-shadow: inset 0 0 0 2px var(--action); }
.ro .rf-apsearch.is-small #airport-search-clear { right: 8px; width: 32px; height: 32px; margin-top: -16px; }

.ro .rf-diagram { display: grid; grid-template-columns: minmax(0, 1fr); gap: clamp(17px, 1.496vw, 33px); padding: clamp(14px, 1.28vw, 26px); border-radius: var(--r-card); background: radial-gradient(140% 60% at 50% 0%, var(--surface) 62%, var(--surface-tint) 100%); box-shadow: var(--shadow-object), inset 0 1px 0 #FFFFFF; }
.ro .rf-diagram-art { --cap: 72vh; position: relative; display: grid; justify-items: center; border-radius: var(--r-well); background: var(--surface-2); overflow: hidden; }
@media (min-width: 1100px) { .ro .rf-diagram-art { --cap: min(56vh, 640px); } }
.ro .rf-diagram-box { position: relative; width: min(100%, calc(var(--cap) * var(--w, 1) / var(--h, 1))); }
.ro .rf-diagram-box svg { display: block; width: 100%; height: auto; }
.ro .rf-diagram .strip polygon { fill: var(--runway); stroke: #B3BAC2; stroke-width: 0.6; }
.ro .rf-diagram .strip line { stroke: #FFFFFF; stroke-linecap: butt; }
.ro .rf-diagram .strip.is-fav polygon { fill: #AFC0D2; stroke: var(--action); }
.ro .rf-diagram .td { fill: var(--accent); stroke: #FFFFFF; opacity: 0.85; }
.ro .rf-diagram .td.low { fill: var(--warn); }
.ro .rf-rwy { position: absolute; transform: translate(-50%, -50%); padding: 2px 7px; border-radius: 999px; background: var(--surface); box-shadow: 0 0 0 0.5px rgba(var(--shadow-rgb), 0.2), 0 1px 2px rgba(var(--shadow-rgb), 0.12); font-size: clamp(11.5px, 0.75vw, 14px); font-weight: 600; color: var(--ink); white-space: nowrap; pointer-events: none; }
.ro .rf-rwy.is-fav { background: var(--action); color: var(--action-ink); }
.ro .rf-north { position: absolute; right: 14px; bottom: 8px; display: flex; align-items: center; gap: 3px; font-size: 12px; line-height: 16px; font-weight: 600; color: var(--ink-2); }
.ro .rf-north .up { width: 16px; height: 16px; transform: rotate(180deg); }
.ro .rf-scale-mark { position: absolute; left: 14px; bottom: 10px; width: calc(min(100%, calc(var(--cap) * var(--w, 1) / var(--h, 1))) * var(--bar)); padding-bottom: 3px; border-bottom: 2px solid var(--ink-2); font-size: 12px; line-height: 16px; font-weight: 600; color: var(--ink-2); white-space: nowrap; }
.ro .rf-diagram figcaption { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); gap: 14px clamp(18px, 1.8vw, 40px); font-size: var(--small); line-height: 1.55; color: var(--ink-2); }
.ro .rf-diagram figcaption b { color: var(--ink); }
.ro .rf-diagram figcaption .ico { display: inline-block; width: 18px; height: 18px; margin-right: 7px; vertical-align: -0.22em; color: var(--ink-2); }
.ro .rf-diagram figcaption .fav b, .ro .rf-diagram figcaption .fav .ico { color: var(--action); }

.ro .rf-apwrap { display: grid; gap: clamp(38px, 2.64vw, 62px); padding: clamp(38px, 2.76vw, 67px) 0 var(--sec-pad); }
.ro .rf-wx { display: grid; gap: clamp(14px, 1.12vw, 21px); }
.ro .rf-wx-figs { grid-template-columns: repeat(4, minmax(0, 1fr)); margin: 0; gap: clamp(14px, 1.12vw, 21px) 24px; }
.ro .rf-wx-figs dd { font-size: clamp(20px, 1.28vw, 25.5px); letter-spacing: -0.02em; }
.ro .rf-wx-rwy { display: flex; align-items: flex-start; gap: 10px; padding: 12px 16px; border-radius: var(--r-well); background: var(--action-soft); color: var(--ink); font-size: var(--small); line-height: 1.5; }
.ro .rf-wx-rwy .ico { width: 20px; height: 20px; color: var(--action); }
.ro .rf-raw summary { display: inline-flex; align-items: center; gap: 8px; padding: 6px 10px; border-radius: 999px; list-style: none; cursor: pointer; font-size: var(--small); font-weight: 600; color: var(--ink-2); }
.ro .rf-raw summary::-webkit-details-marker { display: none; }
.ro .rf-raw summary:hover { background: var(--surface-2); }
.ro .rf-raw summary .ico { width: 18px; height: 18px; }
.ro .rf-raw[open] summary .chev { transform: rotate(180deg); }
.ro .rf-raw p { margin-top: 8px; padding: 12px 14px; border-radius: var(--r-m); background: var(--surface-2); font-size: var(--small); line-height: 1.6; color: var(--ink); overflow-wrap: anywhere; }
.ro .rf-fresh { display: inline-flex; align-items: center; gap: 7px; font-size: 13px; color: var(--muted); }
.ro .rf-fresh .ico { width: 16px; height: 16px; }

.ro .rf-rwys .rf-end { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; }
.ro .rf-rwys .rf-end .ico { width: 16px; height: 16px; color: var(--ink-2); }
.ro .rf-len { display: grid; grid-template-columns: minmax(80px, 160px) auto; align-items: center; gap: 12px; white-space: nowrap; }
.ro .rf-len .meter { height: 8px; }

.ro .rf-here { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(11px, 0.9vw, 18px); align-items: stretch; }
.ro .rf-here .rf-stat { display: grid; grid-column: 1 / -1; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); align-items: center; gap: 18px clamp(17px, 1.632vw, 38px); }
.ro .rf-here .rf-stat .rf-figs { grid-template-columns: repeat(3, minmax(0, 1fr)); margin: 0; }
.ro .rf-landings { display: grid; gap: 2px; }
.ro .rf-landings li { display: grid; grid-template-columns: 2.2em minmax(0, 1fr) auto; grid-template-areas: "g w who" "g w t"; align-items: center; column-gap: 12px; padding: 8px 6px; }
.ro .rf-landings li + li { border-top: 1px solid var(--surface-2); }
.ro .rf-landings .gr { grid-area: g; font-size: 20px; font-weight: 600; letter-spacing: -0.02em; text-align: center; }
.ro .rf-landings .gr.low { color: var(--warn-ink); }
.ro .rf-landings .what { grid-area: w; display: grid; min-width: 0; }
.ro .rf-landings .what b, .ro .rf-landings .what small { overflow-wrap: anywhere; text-wrap: pretty; }
.ro .rf-landings .what b { font-size: var(--small); }
.ro .rf-landings .what small { font-size: 12.5px; color: var(--muted); }
.ro .rf-landings .who { grid-area: who; justify-self: end; max-width: 10em; font-size: 13px; font-weight: 600; color: var(--action); text-align: right; text-decoration: none; overflow-wrap: anywhere; }
.ro .rf-landings .who:hover { text-decoration: underline; }
.ro .rf-landings time { grid-area: t; justify-self: end; font-size: 12px; color: var(--muted); }

.ro .rf-kv-ico dt { display: flex; align-items: center; gap: 6px; }
.ro .rf-kv-ico dt .ico { width: 16px; height: 16px; color: var(--ink-2); }
.ro .rf-kv dd small { display: block; margin-top: 4px; font-size: clamp(13px, 0.68vw, 16px); font-weight: 400; color: var(--muted); }
.ro .rf-osm { align-self: stretch; padding: 0; overflow: hidden; min-height: 300px; }
.ro .rf-osm-cover { display: grid; justify-items: center; align-content: center; gap: 14px; min-height: 300px; height: 100%; padding: clamp(18px, 1.6vw, 29px); text-align: center; background: radial-gradient(120% 90% at 50% 0%, var(--surface) 55%, var(--surface-tint) 100%); }
.ro .rf-osm-cover p { max-width: 34ch; font-size: var(--small); line-height: 1.5; color: var(--muted); }
.ro .rf-osm-cover .btn[hidden] { display: none; }
.ro .rf-ref-row { margin-top: clamp(24px, 1.632vw, 33px); }
.ro .rf-ref-row > .rf-plain { margin: -4px 0 14px; }
.ro .rf-osm iframe { display: block; width: 100%; height: 100%; min-height: 300px; border: 0; }

.ro .rf-radio { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(11px, 0.9vw, 18px); align-items: stretch; }
.ro .rf-radio .rf-table { margin: 0; }
.ro .rf-freqs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 28px; }
.ro .rf-freqs .g { margin-bottom: 4px; font-size: 13px; font-weight: 600; color: var(--muted); }
.ro .rf-freqs dl > div { display: flex; justify-content: space-between; gap: 12px; padding: 4px 0; font-size: var(--small); }
.ro .rf-freqs dt { color: var(--ink-2); }
.ro .rf-freqs dd { margin: 0; font-weight: 600; color: var(--ink); }

.ro .rf-near { display: flex; flex-wrap: wrap; gap: 8px; }
.ro .rf-near li { display: grid; flex: 1 1 260px; min-width: 0; }
.ro .rf-near .code { grid-area: code; }
.ro .rf-near a { display: grid; grid-template-columns: minmax(0, 1fr) auto; grid-template-areas: "code dist" "nm nm"; align-content: start; align-items: baseline; gap: 2px 12px; padding: 12px 16px; border-radius: var(--r-panel); background: var(--surface); box-shadow: var(--shadow-panel); color: var(--ink); text-decoration: none; transition: background-color 120ms ease; }
.ro .rf-near a:hover { background: var(--surface-2); }
.ro .rf-near .nm { grid-area: nm; min-width: 0; font-size: var(--small); line-height: 1.35; text-wrap: pretty; }
.ro .rf-near .dist { grid-area: dist; font-weight: 600; text-align: right; white-space: nowrap; }
.ro .rf-near .dist small { margin-left: 4px; font-size: 12px; font-weight: 400; color: var(--muted); }
.ro .rf-source { display: flex; align-items: center; justify-content: center; gap: 7px; font-size: 13px; color: var(--muted); }
.ro .rf-source .ico { width: 16px; height: 16px; }

@media (max-width: 1099px) {
  .ro #popular-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .ro .rf-here { grid-template-columns: minmax(0, 1fr); }
  .ro .rf-here .rf-stat { grid-template-columns: minmax(0, 1fr); }
  .ro .rf-radio { grid-template-columns: minmax(0, 1fr); }
  .ro .rf-wx-figs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .ro #airport-results { position: static; margin-top: 10px; }
  .ro .rf-ap-lists { grid-template-columns: minmax(0, 1fr); }
  .ro #popular-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ro .rf-aprank a { grid-template-columns: 3.4em minmax(0, 1fr) 4.8em; gap: 10px; }
  .ro .rf-aprank.is-recent a { grid-template-columns: 3.4em minmax(0, 1fr) 5.6em; }
  .ro .rf-aprank:not(.is-recent) .meter { display: none; }
  .ro .rf-apbar .wrap { align-items: flex-start; }
  .ro .rf-apbar .rf-back { min-height: 46px; }
  .ro .rf-apbar .rf-back span { display: none; }
  .ro .rf-here .rf-stat .rf-figs, .ro .rf-freqs { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .ro .rf-map { padding: 8px; }
  .ro .rf-map .tags text { font-size: 18px; stroke-width: 4px; }
}

.ro .rf-legal-grid { display: grid; gap: clamp(13px, 1.36vw, 27px); padding: clamp(32px, 2.4vw, 58px) 0 clamp(51px, 3.6vw, 86px); }
@media (min-width: 1100px) { .ro .rf-legal-grid { grid-template-columns: minmax(0, 1fr) clamp(260px, 19vw, 360px); align-items: start; } }
.ro .legal-text { min-width: 0; padding: clamp(18px, 2.04vw, 50px); border-radius: var(--r-card); background: var(--surface); box-shadow: var(--shadow-panel); font-size: clamp(15px, 0.807vw, 17px); line-height: 1.65; color: var(--ink-2); }
.ro .legal-sum { margin: 0 0 clamp(26px, 1.8vw, 38px); padding: clamp(15px, 1.292vw, 30px); border-radius: var(--r-well); background: var(--surface-2); }
.ro .legal-sum h2 { display: flex; align-items: center; gap: 10px; font-size: clamp(18px, 1.066vw, 21.5px); line-height: 1.2; font-weight: 600; letter-spacing: -0.015em; color: var(--ink); }
.ro .legal-sum h2 .ico { width: 22px; height: 22px; color: var(--ink-2); }
.ro .legal-sum .legal-sum-note { margin-top: 0.4em; font-size: 0.875em; color: var(--muted); }
.ro .legal-sum ul { display: grid; gap: 0.6em; margin: 1em 0 0; padding-left: 1.2em; }
.ro .legal-sum ul { list-style: disc; }
.ro .legal-sum li::marker { color: var(--muted); }
.ro .legal-sec + .legal-sec { margin-top: clamp(25px, 1.904vw, 41px); }
.ro .legal-sec h2 { display: flex; align-items: baseline; gap: 12px; margin-bottom: 0.6em; font-size: clamp(19px, 1.16vw, 24px); line-height: 1.2; font-weight: 600; letter-spacing: -0.018em; color: var(--ink); text-wrap: balance; }
.ro .legal-sec h2 .legal-n { flex: none; display: inline-grid; place-items: center; min-width: 1.6em; height: 1.6em; padding: 0 0.35em; border-radius: 999px; background: var(--surface-2); font-size: 0.62em; font-weight: 600; letter-spacing: 0; color: var(--ink-2); transform: translateY(-0.12em); }
.ro .legal-part { margin-top: 1.5em; }
.ro .legal-part h3 { display: flex; align-items: baseline; gap: 10px; margin-bottom: 0.45em; font-size: clamp(15.5px, 0.918vw, 18.5px); line-height: 1.3; font-weight: 600; color: var(--ink); }
.ro .legal-n { color: var(--muted); font-variant-numeric: tabular-nums; }
.ro .legal-text p + p, .ro .legal-text p + ul, .ro .legal-text ul + p, .ro .legal-text dl + p, .ro .legal-text .legal-table + p, .ro .legal-text p + .legal-table { margin-top: 0.85em; }
.ro .legal-sec > ul, .ro .legal-part > ul { display: grid; gap: 0.5em; margin: 0.85em 0 0; padding-left: 1.25em; list-style: disc; }
.ro .legal-sec > ul li::marker, .ro .legal-part > ul li::marker { color: var(--line-strong); }
.ro .legal-text strong { font-weight: 600; color: var(--ink); }
.ro .legal-text .pg-link, .ro .legal-text a { color: var(--action); font-weight: 600; text-decoration: underline; text-decoration-color: rgba(46, 90, 135, 0.35); text-underline-offset: 0.2em; }
.ro .legal-text a:hover { text-decoration-color: currentColor; text-decoration-thickness: 2px; }
.ro .legal-btn { padding: 0; border: 0; background: none; font: inherit; font-weight: 600; color: var(--action); text-decoration: underline; text-underline-offset: 0.2em; cursor: pointer; }
.ro .legal-btn:hover { text-decoration-thickness: 2px; }
.ro .legal-defs { margin-top: 0.9em; }
.ro .legal-defs > div { display: grid; gap: 2px 28px; padding-block: 0.7em; border-top: 1px solid var(--surface-2); }
.ro .legal-defs dt { font-weight: 600; color: var(--ink); }
.ro .legal-table { margin-top: 0.9em; }
.ro .legal-table td { vertical-align: top; }
.ro .legal-table td:first-child { font-weight: 600; color: var(--ink); white-space: nowrap; }
@media (max-width: 760px) {
  .ro .legal-table { overflow-x: visible; }
  .ro .legal-table table, .ro .legal-table tbody, .ro .legal-table tr, .ro .legal-table td { display: block; }
  .ro .legal-table thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
  .ro .legal-table tr { padding: 12px 14px; }
  .ro .legal-table tr + tr { border-top: 1px solid var(--surface-2); }
  .ro .legal-table td { padding: 0; border: 0; }
  .ro .legal-table td + td { margin-top: 8px; }
  .ro .legal-table td:first-child { white-space: normal; }
  .ro .legal-table td + td::before { content: attr(data-label); display: block; font-size: 12.5px; font-weight: 600; color: var(--muted); }
}
.ro .legal-whole, .ro .legal-text a, .ro .legal-btn { hyphens: manual; }
.ro .rf-rail-right { align-self: stretch; }
.ro .rf-rail-cap { margin: 6px 12px 4px; font-size: 13px; font-weight: 600; color: var(--muted); }
.ro .rf-rail-cap + .rf-rail-list { margin-bottom: 14px; }
.ro .rf-rail-list { display: grid; gap: 1px; }
.ro .rf-rail-list a { align-items: flex-start; }
.ro .rf-rail-list a .n { flex: none; display: inline-grid; place-items: center; min-width: 26px; height: 22px; padding: 0 6px; border-radius: 999px; background: var(--surface-2); font-size: 12px; font-weight: 600; color: var(--ink-2); }
.ro .rf-rail-list a .ico { width: 18px; height: 18px; margin-top: 1px; }
.ro .rf-rail-list a[aria-current="page"] { color: var(--action); font-weight: 600; }
.ro .rf-rail-list a[aria-current="page"] .ico { color: var(--action); }
@media (min-width: 1100px) { .ro .rf-rail-right .rf-rail-body { padding: 14px 10px 18px; border-radius: var(--r-panel); background: color-mix(in srgb, var(--surface) 55%, var(--ground-alt)); } }
@media (max-width: 1099px) {
  .ro .rf-rail-right { order: -1; }
  .ro .rf-doc, .ro .rf-legal-grid { display: flex; flex-direction: column; }
  .ro .rf-doc > .rf-main, .ro .rf-legal-grid > :not(.rf-rail) { min-width: 0; }
}
@media (min-width: 761px) and (min-height: 561px) {
  .ro .legal-text p, .ro .legal-text li, .ro.rf-help .rf-main :is(.rf-prose p, .rf-prose li, .rf-steps p, .rf-tiers p, .rf-notes p, .rf-defs dd, .rf-fixes dd, .rf-pages p + p, .rf-options .panel > p:last-child, .rf-examples .panel > p:not([class]), .rf-cat-note, .rf-open-lede, figcaption) { text-align: justify; hyphens: auto; hyphenate-limit-chars: 8 4 4; text-wrap: pretty; }
  .ro .legal-defs dt, .ro .legal-defs dd, .ro .legal-table td { text-align: start; hyphens: manual; }
}
@media (min-width: 761px) { .ro .legal-defs > div { grid-template-columns: minmax(0, 15em) minmax(0, 1fr); } }

.ro .rf-posts { display: grid; gap: clamp(32px, 2.4vw, 58px); max-width: 1320px; padding: clamp(32px, 2.4vw, 58px) 0 clamp(51px, 3.6vw, 86px); }
.ro .rf-lead-link { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); overflow: hidden; border-radius: var(--r-card); background: var(--surface); box-shadow: var(--shadow-object), inset 0 1px 0 #FFFFFF; color: var(--ink); text-decoration: none; }
.ro .rf-lead-text { display: grid; align-content: center; gap: clamp(11px, 0.9vw, 18px); padding: clamp(19px, 1.8vw, 43px); }
.ro .rf-lead-text h2 { font-size: clamp(27px, 2.054vw, 44px); line-height: 1.05; font-weight: 600; letter-spacing: -0.03em; text-wrap: balance; }
.ro .rf-lead-link:hover h2 { color: var(--action); }
.ro .rf-lead-text .desc { max-width: 52ch; font-size: var(--lede); line-height: 1.45; color: var(--ink-2); }
.ro .rf-lead-art { display: grid; place-items: center; min-height: 100%; padding: clamp(20px, 1.632vw, 38px); }
.ro .rf-lead-art img { width: min(100%, 360px); height: auto; border-radius: var(--r-card); box-shadow: var(--shadow-object); }
.ro .rf-postmeta { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 8px; font-size: var(--small); color: var(--muted); }
.ro .rf-postmeta .ico { width: 16px; height: 16px; color: var(--ink-2); }
.ro .rf-postmeta .ico + time, .ro .rf-postmeta .ico + span { margin-right: 10px; }
.ro .rf-postmeta .chip { height: 24px; font-size: 12px; }
.ro .rf-posts-h { font-size: var(--h3); }
.ro .rf-more-posts ul { display: grid; gap: 10px; }
.ro .rf-postrow { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 20px; padding: clamp(16px, 1.28vw, 26px) clamp(16px, 1.44vw, 29px); border-radius: var(--r-panel); background: var(--surface); box-shadow: var(--shadow-panel); color: var(--ink); text-decoration: none; transition: background-color var(--t-hover) ease; }
.ro .rf-postrow:hover { background: var(--surface-tint); }
.ro .rf-postrow .t { display: grid; gap: 8px; }
.ro .rf-postrow b { font-size: clamp(17.5px, 1.107vw, 22px); line-height: 1.2; letter-spacing: -0.015em; }
.ro .rf-postrow .desc { max-width: 72ch; font-size: var(--small); line-height: 1.5; color: var(--ink-2); }
.ro .rf-postrow .go { width: 22px; height: 22px; color: var(--faint); transition: transform var(--t-hover) var(--ease-out), color var(--t-hover) ease; }
.ro .rf-postrow:hover .go { color: var(--action); transform: translateX(3px); }

.ro .rf-hero-art { display: grid; justify-items: center; gap: 12px; margin-top: 4px; }
.ro .rf-hero-art img { width: min(100%, 380px); height: auto; border-radius: var(--r-card); box-shadow: var(--shadow-object); }
.ro .rf-hero-art figcaption { font-size: 13.5px; color: var(--muted); }
.ro .rf-article-wrap { display: grid; justify-items: center; gap: clamp(38px, 2.64vw, 62px); padding: clamp(32px, 2.4vw, 58px) 0 var(--sec-pad); }
.ro .rf-article { width: min(100%, var(--measure)); font-size: clamp(15.5px, 0.867vw, 17px); line-height: 1.68; color: var(--ink-2); }
.ro .rf-article > * + * { margin-top: 1em; }
.ro .rf-article h2 { margin-top: 2em; font-size: clamp(22.5px, 1.4vw, 29px); line-height: 1.15; font-weight: 600; letter-spacing: -0.022em; color: var(--ink); text-wrap: balance; }
.ro .rf-article h3 { margin-top: 1.6em; font-size: clamp(17.5px, 0.984vw, 19.5px); line-height: 1.3; font-weight: 600; letter-spacing: -0.01em; color: var(--ink); }
.ro .rf-article h2 + *, .ro .rf-article h3 + * { margin-top: 0.5em; }
.ro .rf-article p { text-wrap: pretty; }
.ro .rf-article a { color: var(--action); font-weight: 600; text-decoration: underline; text-decoration-color: rgba(46, 90, 135, 0.35); text-underline-offset: 0.2em; }
.ro .rf-article a:hover { text-decoration-color: currentColor; text-decoration-thickness: 2px; }
.ro .rf-article ul, .ro .rf-article ol { display: grid; gap: 0.5em; padding-left: 1.3em; }
.ro .rf-article ul:not(.plain) { list-style: disc; }
.ro .rf-article ol:not(.plain) { list-style: decimal; }
.ro .rf-article li::marker { color: var(--muted); }
.ro .rf-article blockquote { padding: 14px 18px; border-radius: var(--r-well); background: var(--surface-2); color: var(--ink); }
.ro .rf-article td { vertical-align: top; }
.ro .rf-article img { max-width: 100%; height: auto; border-radius: var(--r-panel); }
.ro .rf-article hr { height: 0; margin: 2em 0; border: 0; }
.ro .rf-article-foot { display: grid; justify-items: center; gap: 22px; width: min(100%, 1100px); }

.ro .rf-tabs-wrap { display: flex; justify-content: center; }
.ro .rf-tabs { display: inline-flex; flex-wrap: wrap; gap: 2px; padding: 4px; border-radius: 12px; background: var(--surface-3); }
.ro .rf-tabs a { display: inline-flex; align-items: center; gap: 8px; height: 40px; padding: 0 16px 0 13px; border-radius: 9px; color: var(--ink-2); font-size: var(--small); text-decoration: none; white-space: nowrap; transition: background-color 120ms ease, color 120ms ease; }
.ro .rf-tabs a .ico { width: 18px; height: 18px; color: var(--ink-2); }
.ro .rf-tabs a:hover { background: rgba(var(--shadow-rgb), 0.05); }
.ro .rf-tabs a[aria-current="page"] { background: var(--surface); color: var(--ink); font-weight: 600; box-shadow: var(--shadow-control); }
.ro .rf-tabs a[aria-current="page"] .ico { color: var(--action); }
.ro .rf-boardwrap, .ro .rf-logwrap { display: grid; gap: clamp(14px, 1.12vw, 22px); max-width: 1100px; padding: clamp(29px, 2.04vw, 48px) 0 clamp(51px, 3.6vw, 86px); }
.ro .rf-boardhead { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 14px 24px; }
.ro .rf-boardhead h2 { font-size: var(--h3); line-height: 1.2; font-weight: 600; letter-spacing: -0.015em; }
.ro .rf-boardhead p { display: flex; align-items: center; gap: 7px; margin-top: 4px; font-size: 13.5px; color: var(--muted); }
.ro .rf-boardhead p .ico { width: 16px; height: 16px; }
.ro .rf-month { display: flex; align-items: center; gap: 10px; }
.ro .rf-month label { display: inline-flex; align-items: center; gap: 6px; font-size: var(--small); font-weight: 600; }
.ro .rf-month select { height: 44px; padding: 0 40px 0 14px; border: 0; border-radius: 999px; background: var(--surface); color: var(--ink); font: inherit; font-size: 15px; box-shadow: inset 0 0 0 1px var(--line-strong); cursor: pointer; }
.ro .rf-month select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2359616A' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6.5 9.5L12 15L17.5 9.5'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; background-size: 16px 16px; }
.ro .rf-month select:hover { background-color: var(--surface-2); }
.ro .rf-month select:focus { outline: none; box-shadow: inset 0 0 0 2px var(--action); }
.ro .rf-board-table .rk { width: 72px; font-weight: 600; color: var(--muted); }
.ro .rf-board-table .is-top .rk { color: var(--ink); }
.ro .rf-board-table .who { display: grid; min-width: 0; color: var(--ink); text-decoration: none; }
.ro .rf-board-table .who b { overflow-wrap: anywhere; }
.ro .rf-board-table .who:hover b { color: var(--action); text-decoration: underline; }
.ro .rf-board-table .who small { font-size: 13px; color: var(--muted); }
.ro .rf-board-table .rate { display: grid; grid-template-columns: minmax(60px, 1fr) 68px; align-items: center; gap: 12px; }
.ro .rf-board-table .rate .meter { height: 10px; border-radius: 999px; }
.ro .rf-board-table .rate b { text-align: right; }
.ro .rf-board-table .num { color: var(--ink-2); }
.ro .rf-pager { display: flex; align-items: center; justify-content: space-between; gap: 12px; font-size: var(--small); }
.ro .rf-boardnote { display: flex; align-items: flex-start; gap: 8px; margin-top: 8px; font-size: var(--small); color: var(--muted); }
.ro .rf-boardnote .ico { width: 18px; height: 18px; margin-top: 2px; }
.ro .rf-boardnote .link { display: inline; }
.ro .rf-acboards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.ro .rf-acboards > li:only-child { grid-column: 1 / -1; }
.ro .rf-acboards a { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 14px; padding: 12px 16px; border-radius: var(--r-panel); background: var(--surface); box-shadow: var(--shadow-panel); color: var(--ink); text-decoration: none; transition: background-color 120ms ease; }
.ro .rf-acboards a:hover { background: var(--surface-tint); }
.ro .rf-acboards .tile-ico { width: 40px; }
.ro .rf-acboards b { text-wrap: pretty; }
.ro .plain.rf-shortlist { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.ro .rf-shortlist li { padding: 4px 12px; border-radius: 999px; background: var(--surface); box-shadow: var(--shadow-control); font-size: 13.5px; color: var(--ink-2); }

.ro.rf-log { display: grid; gap: clamp(14px, 1.12vw, 22px); }
.ro .rf-log-back { width: fit-content; }
.ro .rf-log-note, .ro .rf-log-foot { display: flex; align-items: flex-start; gap: 9px; font-size: var(--small); color: var(--muted); }
.ro .rf-log-note .ico, .ro .rf-log-foot .ico { width: 18px; height: 18px; margin-top: 2px; }
.ro .rf-releases { display: grid; gap: clamp(11px, 0.9vw, 18px); }
.ro .rf-release { display: grid; grid-template-columns: minmax(150px, 2.2fr) minmax(0, 9.8fr); gap: clamp(13px, 1.36vw, 30px); padding: clamp(16px, 1.28vw, 26px); border-radius: var(--r-panel); background: color-mix(in srgb, var(--surface) 55%, var(--ground-alt)); }
.ro .rf-release.is-current { background: var(--surface); box-shadow: var(--shadow-object), inset 0 1px 0 #FFFFFF; }
.ro .rf-rel-meta { display: grid; align-content: start; justify-items: start; gap: 8px; }
.ro .rf-rel-meta .ver { font-size: clamp(27px, 1.738vw, 36.5px); line-height: 1; font-weight: 600; letter-spacing: -0.03em; color: var(--ink); }
.ro .rf-rel-meta .date { display: flex; align-items: center; gap: 7px; font-size: var(--small); color: var(--muted); }
.ro .rf-rel-meta .date .ico { width: 16px; height: 16px; }
.ro .rf-rel-notes { min-width: 0; max-width: var(--measure); font-size: var(--small); line-height: 1.6; color: var(--ink-2); }
.ro .rf-rel-notes > * + * { margin-top: 0.8em; }
.ro .rf-rel-notes h3 { font-size: clamp(17.5px, 1.025vw, 19.5px); line-height: 1.25; font-weight: 600; letter-spacing: -0.015em; color: var(--ink); }
.ro .rf-rel-notes h4, .ro .rf-rel-notes h5, .ro .rf-rel-notes h6 { margin-top: 1.4em; font-size: clamp(15px, 0.9vw, 17px); line-height: 1.3; font-weight: 600; color: var(--ink); }
.ro .rf-rel-notes > :first-child { margin-top: 0; }
.ro .rf-rel-notes h4 + p, .ro .rf-rel-notes h5 + p { margin-top: 0.3em; }
.ro .rf-rel-notes ul, .ro .rf-rel-notes ol { display: grid; gap: 0.35em; padding-left: 1.2em; }
.ro .rf-rel-notes ul { list-style: disc; }
.ro .rf-rel-notes ol { list-style: decimal; }
.ro .rf-rel-notes li::marker { color: var(--muted); }
.ro .rf-rel-notes code { white-space: normal; }

.ro .rf-errwrap { display: grid; place-items: center; min-height: clamp(560px, 72vh, 980px); padding: clamp(32px, 3vw, 72px) var(--margin); }
.ro .rf-errcard { width: min(100%, clamp(400px, 22vw, 560px)); overflow: hidden; border-radius: var(--r-card); background: radial-gradient(140% 60% at 50% 0%, var(--surface) 62%, var(--surface-tint) 100%); box-shadow: var(--shadow-object), inset 0 1px 0 #FFFFFF; }
.ro .rf-err-top { display: flex; align-items: center; gap: 9px; height: clamp(50px, 2.236vw, 55px); padding: 0 clamp(18px, 0.96vw, 22px); font-size: clamp(14.5px, 0.72vw, 16px); font-weight: 600; letter-spacing: -0.01em; }
.ro .rf-err-head { display: flex; align-items: flex-end; gap: 16px; padding: 4px clamp(18px, 0.96vw, 22px) clamp(13px, 0.72vw, 18px); }
.ro .rf-err-code { flex: none; margin-left: -3px; font-size: clamp(68px, 3.476vw, 88.5px); line-height: 0.76; font-weight: 600; letter-spacing: -0.04em; color: var(--ink); }
.ro .rf-errcard h1 { display: flex; align-items: center; gap: 8px; font-size: clamp(15.5px, 0.892vw, 19.5px); line-height: 1.3; font-weight: 600; letter-spacing: -0.005em; text-wrap: balance; }
.ro .rf-errcard h1 .ico { width: 20px; height: 20px; color: var(--ink-2); }
.ro .rf-err-path { margin-top: 3px; overflow: hidden; font-size: 13px; color: var(--muted); text-overflow: ellipsis; white-space: nowrap; }
.ro .rf-err-note { margin: 0 12px; padding: 12px 14px 14px; border-radius: var(--r-well); background: var(--surface-2); }
.ro .rf-err-note h2 { display: flex; align-items: center; gap: 8px; font-size: clamp(14.5px, 0.765vw, 17px); line-height: 1.4; font-weight: 600; }
.ro .rf-err-note h2 .ico { width: 18px; height: 18px; color: var(--ink-2); }
.ro .rf-err-note p { margin-top: 6px; font-size: clamp(14px, 0.78vw, 17px); line-height: 1.5; color: var(--ink-2); }
.ro .rf-err-acts { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: clamp(13px, 0.72vw, 18px) clamp(18px, 0.96vw, 22px) 8px; }
.ro .rf-err-acts .btn { width: 100%; }
.ro .rf-err-more { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 22px; padding: 8px 20px clamp(16px, 0.8vw, 19px); font-size: clamp(14px, 0.78vw, 17px); }

@media (max-width: 1099px) {
  .ro .rf-lead-link { grid-template-columns: minmax(0, 1fr); }
  .ro .rf-lead-art { order: -1; }
  .ro .rf-release { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 760px) {
  .ro .rf-release.is-current { box-shadow: var(--shadow-panel); }
  .ro .rf-board-table { table-layout: fixed; }
  .ro .rf-board-table th, .ro .rf-board-table td { padding-inline: 10px; }
  .ro .rf-board-table .hide-s { display: none; }
  .ro .rf-board-table th:nth-child(1) { width: 56px; }
  .ro .rf-board-table th:nth-child(3) { width: 92px; }
  .ro .rf-board-table th:last-child { width: 82px; }
  .ro .rf-board-table .rate { grid-template-columns: minmax(0, 1fr); gap: 4px; }
  .ro .rf-board-table .rate .meter { height: 8px; }
  .ro .rf-acboards { grid-template-columns: minmax(0, 1fr); }
  .ro .rf-acboards a { grid-template-columns: auto minmax(0, 1fr); row-gap: 2px; }
  .ro .rf-acboards a > .tile-ico { grid-row: span 2; }
  .ro .rf-acboards a > .link { grid-column: 2; justify-self: start; }
  .ro .rf-tabs { width: 100%; }
  .ro .rf-tabs a { flex: 1 0 auto; justify-content: center; }
  .ro .rf-pager .btn { padding: 0 12px; }
}

@media (max-width: 760px) {
  .ro .rf-sechead.is-ico { gap: 12px; }
  .ro .rf-sechead.is-ico .tile-ico { width: 40px; }
  .ro .rf-ref-grid, .ro .rf-figs-big { grid-template-columns: minmax(0, 1fr); }
  .ro .rf-bars .x small { display: none; }
  .ro .rf-unit { display: inline; }
  .ro .rf-axisrow { display: block; padding: 6px 14px; }
  .ro .rf-axisrow > span { display: none; }
  .ro .rf-axisrow .rf-axis span:nth-child(even) { display: none; }
  .ro .rf-brow .rng { grid-column: 1; grid-row: 2; justify-items: start; text-align: left; }
  .ro .rf-brow > .rf-scale { grid-row: 3; }
  .ro .rf-brow > .rf-row-guides { grid-row: 4; }
}

@media (prefers-reduced-motion: no-preference) {
  html.motion .ro.rf-anim [data-rise] { opacity: 0; transform: translateY(16px); transition: opacity 640ms var(--ease-out), transform 760ms var(--ease-out); transition-delay: calc(min(var(--i, 0), 8) * 80ms); }
  html.motion .ro.rf-anim [data-rise].in { opacity: 1; transform: none; }
  html.motion .ro.rf-anim [data-draw] { transform: scaleX(0); transform-origin: left center; transition: transform 900ms var(--ease-out); transition-delay: calc(200ms + min(var(--i, 0), 10) * 70ms); }
  html.motion .ro.rf-anim .in [data-draw], html.motion .ro.rf-anim [data-draw].in { transform: scaleX(1); }
  html.motion .ro.rf-anim .rf-bars [data-draw], html.motion .ro.rf-anim .rf-spread-bars [data-draw] { transform-origin: left center; }
  html.motion .ro.rf-anim .rf-bars [data-draw] { opacity: 0; transform: none; transition: opacity 420ms var(--ease-out); transition-delay: calc(200ms + min(var(--i, 0), 10) * 90ms); }
  html.motion .ro.rf-anim .in .rf-bars [data-draw], html.motion .ro.rf-anim .rf-bars.in [data-draw] { opacity: 1; }
  .ro svg [data-pop] { transform-box: fill-box; transform-origin: center; }
  html.motion .ro.rf-anim [data-pop] { opacity: 0; transform: scale(0.4); transition: opacity 420ms var(--ease-out), transform 520ms var(--ease-out); transition-delay: calc(500ms + min(var(--i, 0), 12) * 60ms); }
  html.motion .ro.rf-anim .in [data-pop], html.motion .ro.rf-anim [data-pop].in { opacity: 1; transform: none; }
  .ro .rf-rail a { transition: background-color 160ms ease, color 160ms ease, box-shadow 160ms ease; }
}
@media (prefers-reduced-motion: reduce) {
  .ro .btn:active, .ro .rf-press:active { transform: none; }
  .ro .link .ico, .ro .rf-tasks .go { transition: none; }
}
@media (max-width: 400px) {
  .ro .rf-board-table th, .ro .rf-board-table td { padding-inline: 8px; }
  .ro .rf-board-table th:nth-child(1) { width: 50px; }
  .ro .rf-board-table th:nth-child(3) { width: 76px; }
  .ro .rf-board-table th:last-child { width: 76px; }
  .ro .rf-freqs { grid-template-columns: minmax(0, 1fr); }
}