/* GOLD EDITING NOTE — Desktop aerospace masthead: deeper left navy protects the title; each section has its own generated panorama, revealed on the right. Mobile deliberately uses no image. */
.af-sn10{align-self:start;position:sticky;top:calc(var(--af-header-height) + 72px);min-width:0;color:#173c58}
.af-sn10-desktop{display:flex;flex-direction:column;max-height:calc(100dvh - var(--af-header-height) - 92px);background:#fcfdfe;border:1px solid #cad9e3;box-shadow:0 4px 8px #17354b03,0 12px 32px #17354b08;overflow:hidden}
.af-sn10-head{position:relative;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:17px 18px 18px;background-color:#031d33;background-image:linear-gradient(100deg,#031d33f5 0%,#031d33e8 38%,#031d3380 70%,#031d3320 100%),var(--af-sn10-header-image,none);background-position:center,right center;background-size:cover;border-bottom:1px solid #164e72;flex-shrink:0;overflow:hidden}
.af-sn10-head:before{content:"";position:absolute;width:1px;height:150%;right:31%;top:-25%;background:linear-gradient(transparent,#b9dcec45,transparent);transform:rotate(22deg);pointer-events:none}
.af-sn10-head:after{content:"";position:absolute;left:18px;bottom:0;width:34px;height:2px;background:#e7b650;pointer-events:none}
.af-sn10-head p{position:relative;display:flex;align-items:center;gap:7px;margin:0 0 7px;color:#ecc779;font-size:10px;font-weight:650;letter-spacing:.09em;text-transform:uppercase}
.af-sn10-head p:before{content:"";width:15px;height:2px;background:#e7b650;flex-shrink:0}
.af-sn10-head h2{position:relative;margin:0;color:#fff;font-family:inherit;font-size:19px;font-weight:650;line-height:1.25;letter-spacing:-.025em;text-shadow:0 1px 12px #031c32}
.af-sn10-scroll{min-height:0;overflow:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#aabfce transparent;padding:6px 10px 9px}
.af-sn10-icon{width:18px;height:18px;flex-shrink:0;display:block}
.af-sn10-overview{display:flex;align-items:center;gap:9px;min-height:40px;padding:8px 9px;color:#346078;font-size:12px;font-weight:600;border-bottom:1px solid #d4e0e8;margin-bottom:5px}
.af-sn10-overview span{flex:1}.af-sn10-overview>.af-sn10-icon:first-child{color:#0b6ecc}.af-sn10-overview>.af-sn10-icon:last-child{width:16px;height:16px;color:#587b92}
/* GOLD EDITING NOTE — Unified link rhythm and expandable third-level groups. */
.af-sn10-tree{list-style:none;padding:0;margin:0;display:block}
.af-sn10-tree>li{margin:0;padding:2px 0;border-bottom:1px solid #e5ecf0}.af-sn10-tree>li:last-child{border-bottom:0}
.af-sn10-tree[data-depth="0"]>li:nth-child(even){background:#f4f7f966}
.af-sn10-link,.af-sn10-group>summary{display:flex;align-items:center;gap:8px;min-height:40px;padding:8px 9px;color:#27465d;font-size:13px;font-weight:550;line-height:1.4;transition:background .16s,color .16s,box-shadow .16s;position:relative;text-decoration:none;border-radius:2px}
.af-sn10-link>span,.af-sn10-group>summary>span{flex:1;min-width:0}.af-sn10-link>.af-sn10-icon{width:16px;height:16px;color:#56798f;transition:transform .16s,color .16s}
.af-sn10-link:hover,.af-sn10-overview:hover,.af-sn10-group>summary:hover{background:#eaf1f6;color:#084c80;box-shadow:inset 2px 0 #92b2c8}
.af-sn10-link:hover>.af-sn10-icon{color:#0b6ecc;transform:translateX(2px)}
.af-sn10-link[aria-current],.af-sn10-overview[aria-current]{color:#064d83;background:#e0edf7;box-shadow:inset 3px 0 #0b6ecc,inset 0 0 0 1px #bed4e5;font-weight:650}.af-sn10-link[aria-current]>.af-sn10-icon{color:#0b6ecc;transform:none}
.af-sn10-group>summary{cursor:pointer;list-style:none}.af-sn10-group>summary::-webkit-details-marker{display:none}.af-sn10-group>summary::marker{content:""}
.af-sn10-group>summary small{flex-shrink:0;font-size:10px;font-weight:650;color:#44677e;padding:3px 5px;background:#e3ecf2;white-space:nowrap;border-radius:2px}
.af-sn10-group>summary>.af-sn10-icon{width:18px;height:18px;color:#326584;transition:transform .16s}.af-sn10-group[open]>summary>.af-sn10-icon{transform:rotate(180deg)}
.af-sn10-group[open]>summary{background:#eaf1f6;color:#173e59}.af-sn10-group>summary.is-within{box-shadow:inset 3px 0 #0b6ecc}
.af-sn10-children{padding:3px 0 4px 10px;margin-left:10px;border-left:1px solid #a9c6da;background:#f6f9fb}
.af-sn10-children>.af-sn10-link{font-size:11.5px;color:#275b7d;font-weight:600;min-height:36px}
.af-sn10-children .af-sn10-tree .af-sn10-link{font-size:12px;font-weight:500;min-height:38px;padding-block:7px}
.af-sn10 :is(a,button,summary):focus-visible{outline:2px solid #0b6ecc;outline-offset:-2px;z-index:1}
/* GOLD EDITING NOTE — Navy action deck with a filled AF-gold button, subtle 3px corners and a soft underside shadow. Keep the link list light for clear hierarchy. */
.af-sn10-foot{position:relative;flex-shrink:0;padding:13px 18px 15px;background:radial-gradient(ellipse at 110% 0%,#134b6b80,transparent 70%),#062b49;border-top:1px solid #174764}
.af-sn10-foot p{margin:0 0 6px;color:#ecc779;font-size:10px;font-weight:650;letter-spacing:.065em;text-transform:uppercase}
.af-sn10-foot>span{display:block;color:#c0d2df;font-size:11px;line-height:1.5}
.af-sn10-foot>a{display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:38px;margin-top:11px;padding:8px 11px;background:#eab348 linear-gradient(110deg,#f2c56c,#eab348);border:1px solid #edbc5b;border-radius:3px;color:#082c48;font-size:12px;line-height:1.4;font-weight:650;box-shadow:0 3px 9px #00132038,inset 0 1px 0 #fff3;transition:background-color .16s,border-color .16s,color .16s}.af-sn10-foot>a:hover{color:#031e35;background:#f6cb75 linear-gradient(110deg,#f6cb75,#edbb59);border-color:#f6cb75}.af-sn10-foot>a:focus-visible{outline-color:#fff;outline-offset:2px}
.af-sn10-dock{display:none}.af-sn10-sheet:not([open]){display:none}.af-sn10-close{width:44px;height:44px;display:grid;place-items:center;flex-shrink:0;background:#edf3f7;border:1px solid #d6e3ec;border-radius:4px;color:#224f71}
/* GOLD EDITING NOTE — Mobile bottom sheet: native dialog supplies focus trapping, inert background and Escape. */
@media(max-width:767.98px){
 .af-sn10{position:static;z-index:auto}.af-sn10-desktop{display:none}
 .af-sn10-dock{position:fixed;z-index:1035;bottom:max(10px,env(safe-area-inset-bottom));left:10px;right:10px;width:calc(100% - 20px);min-height:58px;padding:8px 13px;display:flex;align-items:center;gap:11px;text-align:left;color:#133b59;background:#f9fbfbed;backdrop-filter:blur(18px);border:1px solid #b9ccd9;border-radius:6px;box-shadow:0 4px 8px #123f600a,0 8px 26px #123f6020;opacity:0;visibility:hidden;transform:translateY(90px);transition:transform .22s,opacity .22s,visibility .22s}
 .af-sn10-dock.is-visible{opacity:1;visibility:visible;transform:none}.af-sn10-dock>span:nth-child(2){flex:1;min-width:0}.af-sn10-dock small{display:block;font-size:10px;color:#5b788e;line-height:1.4}.af-sn10-dock strong{display:block;font-size:12px;line-height:1.4;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px}.af-sn10-dock>i{font-size:16px;color:#0b6ecc}
 .af-sn10-dock-icon{display:grid;place-items:center;width:34px;height:34px;flex-shrink:0;color:#225d86;background:#e5eef4;border-radius:4px}.af-sn10-dock-icon>.af-sn10-icon{width:21px;height:21px}.af-sn10-dock>.af-sn10-icon{transform:rotate(180deg);color:#0b6ecc}
 .af-sn10-sheet[open]{position:fixed;inset:auto 0 0;width:100%;max-width:600px;max-height:calc(100dvh - 24px);height:auto;margin:0 auto;padding:0;border:1px solid #d5e1e9;border-bottom:0;border-radius:12px 12px 0 0;background:#fff;color:#173c58;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 -15px 55px #062d4a33;animation:af-sn10-enter .22s ease-out}
 .af-sn10-sheet::backdrop{background:#092f5073;backdrop-filter:blur(3px)}.af-sn10-handle{flex-shrink:0;width:34px;height:4px;margin:10px auto 0;background:#bdceda;border-radius:3px}
 .af-sn10-sheet .af-sn10-head{padding:11px 18px 13px;background:linear-gradient(110deg,#fff,#f3f6f8);border-color:#d3dfe7}.af-sn10-sheet .af-sn10-head:before,.af-sn10-sheet .af-sn10-head:after{display:none}.af-sn10-sheet .af-sn10-head h2{font-size:20px;color:#102f46;text-shadow:none}.af-sn10-sheet .af-sn10-head p{font-size:10px;color:#596f80}.af-sn10-sheet .af-sn10-head p:before{background:#b38c43}.af-sn10-sheet .af-sn10-scroll{padding:6px 13px 9px;min-height:100px}.af-sn10-sheet .af-sn10-overview{min-height:44px}
 .af-sn10-sheet .af-sn10-link,.af-sn10-sheet .af-sn10-group>summary{font-size:14px;min-height:44px}.af-sn10-sheet .af-sn10-children .af-sn10-link{font-size:13px}.af-sn10-sheet .af-sn10-children .af-sn10-tree .af-sn10-link{min-height:44px;padding-block:9px}.af-sn10-sheet .af-sn10-foot{padding:11px 18px max(14px,env(safe-area-inset-bottom))}.af-sn10-sheet .af-sn10-foot>span{display:none}.af-sn10-sheet .af-sn10-foot p{margin:0}.af-sn10-sheet .af-sn10-foot>a{margin-top:7px;min-height:44px;font-size:13px}
 body.af-sn10-open{overflow:hidden}
 @keyframes af-sn10-enter{from{transform:translateY(40px);opacity:0}to{transform:none;opacity:1}}
}
@media(prefers-reduced-motion:reduce){.af-sn10 *{transition:none!important;animation:none!important}}