/* C2070 site shell: header, dark intro band, search, fixed index + mini map, info cards, tab flag.
   Loaded after each page's own <style>, so these rules win where they overlap. */
:root{
  --c7-ink:#1f2d36; --c7-mut:#5f7180; --c7-line:#e2e9ee; --c7-soft:#f4f8f9;
  --c7-brand:#0f7d6b; --c7-brand-soft:#e3f2ee; --c7-brand-mid:#cfe9e2; --c7-mint:#43d6b4;
  --c7-night:#081519; --c7-night2:#0c2127;
  --c7-warn:#b06a24; --c7-warn-soft:#fbf0e4; --c7-red:#d52b1e;
  --c7-fs:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",Helvetica,Arial,sans-serif;
  --c7-fm:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --tb:60px; --c7-fixtop:70px;
  /* one sans-serif across every page: override each page's own font tokens */
  --fs:var(--c7-fs); --fd:var(--c7-fs); --fb:var(--c7-fs);
}
@media (max-width:860px){ :root{ --tb:104px; } }

html,body{margin:0}
body{background:#fff;font-family:var(--c7-fs)!important;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,button,input,select,textarea{font-family:var(--c7-fs)}
main h1,main h2,main h3{letter-spacing:-.01em}

/* ================================================================ header */
header.c7-top{position:sticky;top:0;z-index:50;height:var(--tb);display:grid;
  grid-template-columns:auto minmax(0,1fr) auto;grid-template-areas:"brand tabs tools";align-items:center;gap:0 22px;
  padding:0 max(20px,env(safe-area-inset-right,0px)) 0 max(20px,env(safe-area-inset-left,0px));
  background:rgba(255,255,255,.97);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c7-line);color:var(--c7-ink);font:15px/1.3 var(--c7-fs);box-sizing:border-box}
header.c7-top *{box-sizing:border-box}
.c7-brand{grid-area:brand;display:flex;align-items:center;gap:12px;min-width:0}
.c7-brand a{display:flex;align-items:center;gap:8px;color:inherit;text-decoration:none}
.c7-brand a:hover{text-decoration:none}
.c7-brand .c7-mark{height:30px;width:auto;display:block}
.c7-brand .c7-name{font-weight:700;font-size:18px;letter-spacing:.01em}
.c7-brand .c7-sep{width:1px;height:26px;background:currentColor;opacity:.18}
.c7-brand .c7-de img{height:24px;width:auto;display:block}
.c7-brand .c7-de span{font-size:12.5px;opacity:.75;white-space:nowrap}

/* main tabs: soft pill buttons, so they read as clickable */
.c7-tabs{grid-area:tabs;display:flex;align-items:center;gap:8px;min-width:0}
.c7-tabs a{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:36px;padding:0 16px;border-radius:999px;
  background:var(--c7-brand-soft);border:1px solid var(--c7-brand-mid);color:#245a50;text-decoration:none;
  font-size:15px;font-weight:500;white-space:nowrap;transition:background .15s,border-color .15s,color .15s,box-shadow .15s}
.c7-tabs a:hover{background:#d4ece5;border-color:#a9d8cb;color:var(--c7-brand);text-decoration:none}
.c7-tabs a[aria-current="page"]{background:var(--c7-brand);border-color:var(--c7-brand);color:#fff;
  box-shadow:0 2px 10px rgba(15,125,107,.28)}
.c7-tabs a.c7-hm{width:38px;padding:0}
.c7-tabs svg{width:18px;height:18px}

.c7-tools{grid-area:tools;display:flex;align-items:center;gap:6px}
.c7-tools .c7-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:36px;min-width:36px;padding:0 10px;
  border:1px solid var(--c7-line);border-radius:9px;background:transparent;color:inherit;font:inherit;font-size:13.5px;
  cursor:pointer;text-decoration:none}
.c7-tools .c7-btn:hover{border-color:var(--c7-brand);color:var(--c7-brand);text-decoration:none}
.c7-tools .c7-btn svg{width:17px;height:17px;flex:0 0 auto}
.c7-tools .c7-search{min-width:150px;justify-content:flex-start;color:var(--c7-mut)}
.c7-tools kbd{margin-left:auto;font:11px var(--c7-fm);border:1px solid var(--c7-line);border-radius:4px;padding:1px 5px;opacity:.8}
.c7-tools :focus-visible,.c7-tabs a:focus-visible{outline:2px solid var(--c7-brand);outline-offset:2px}
.c7-pres .ex{display:none} :fullscreen .c7-pres .en{display:none} :fullscreen .c7-pres .ex{display:inline}

@media (max-width:1180px){ .c7-brand .c7-de span{display:none} .c7-tools .c7-search{min-width:0} .c7-tools .c7-search span,.c7-tools .c7-search kbd{display:none} }
@media (max-width:980px){ .c7-tabs a{padding:0 12px} }
@media (max-width:860px){
  header.c7-top{grid-template-columns:minmax(0,1fr) auto;grid-template-areas:"brand tools" "tabs tabs";grid-template-rows:56px 48px;gap:0 12px}
  .c7-tabs{overflow-x:auto;scrollbar-width:none;border-top:1px solid var(--c7-line);margin:0 -20px;padding:0 16px;height:48px}
  .c7-tabs::-webkit-scrollbar{display:none}
  .c7-tabs a{height:32px;padding:0 13px;font-size:14px}
}
@media (max-width:420px){ .c7-brand{gap:9px} .c7-brand .c7-name{font-size:17px} }

/* landing: header floats over the dark hero, then turns solid */
header.c7-top.c7-hero{position:fixed;left:0;right:0;top:env(safe-area-inset-top,0px);background:transparent;border-bottom-color:transparent;
  color:#d9ece8;backdrop-filter:none;-webkit-backdrop-filter:none;transition:background .3s,color .3s,border-color .3s}
header.c7-top.c7-hero .c7-tabs a{background:rgba(67,214,180,.10);border-color:rgba(67,214,180,.28);color:#cfeee6}
header.c7-top.c7-hero .c7-tabs a:hover{background:rgba(67,214,180,.2)}
header.c7-top.c7-hero .c7-tabs a[aria-current="page"]{background:var(--c7-mint);border-color:var(--c7-mint);color:#062a24}
header.c7-top.c7-hero .c7-btn{border-color:rgba(217,236,232,.25)}
header.c7-top.c7-hero .c7-search{color:inherit}
header.c7-top.c7-hero .c7-mark,header.c7-top.c7-hero .c7-de img{background:#fff;border-radius:6px;padding:2px 4px;height:32px}
header.c7-top.c7-hero.dim{background:rgba(8,21,25,.88);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
header.c7-top.c7-hero.solid{background:rgba(255,255,255,.97);color:var(--c7-ink);border-bottom-color:var(--c7-line);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
header.c7-top.c7-hero.solid .c7-tabs a{background:var(--c7-brand-soft);border-color:var(--c7-brand-mid);color:#245a50}
header.c7-top.c7-hero.solid .c7-tabs a[aria-current="page"]{background:var(--c7-brand);border-color:var(--c7-brand);color:#fff}
header.c7-top.c7-hero.solid .c7-btn{border-color:var(--c7-line)}
header.c7-top.c7-hero.solid .c7-search{color:var(--c7-mut)}
@media (max-width:860px){ header.c7-top.c7-hero .c7-tabs{border-top-color:rgba(217,236,232,.15)} }

/* ================================================================ dark intro band (every page) */
.c7-band{position:relative;overflow:hidden;color:#e8f4f1;min-height:250px;
  background:radial-gradient(120% 120% at 80% 30%,var(--c7-night2) 0%,var(--c7-night) 65%)}
.c7-band .c7-rain{position:absolute;inset:0;width:100%;height:100%;opacity:.38;pointer-events:none}
.c7-band::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(90deg,rgba(8,21,25,.92) 0%,rgba(8,21,25,.65) 45%,rgba(8,21,25,.25) 100%)}
.c7-band-in{position:relative;z-index:2;box-sizing:border-box;max-width:1160px;margin:0 auto;
  padding:40px max(20px,env(safe-area-inset-right,0px)) 38px max(20px,env(safe-area-inset-left,0px))}
/* keep text clear of the fixed mini map on the right */
@media (min-width:861px){ .c7-band-in{padding-right:max(20px,calc(250px - (100vw - 1160px) / 2))} }
.c7-band .c7-kicker{color:var(--c7-mint);display:flex;align-items:center;gap:10px}
.c7-band .c7-kicker::before{content:"";width:26px;height:2px;background:var(--c7-mint)}
.c7-band h1{color:#f2fbf8;margin:0 0 12px}
.c7-band .c7-lede{color:#b9d3cd;margin:0}
.c7-band .c7-lede b{color:#fff}
.c7-band a{color:var(--c7-mint)}
.c7-band code{background:rgba(255,255,255,.08);color:#d6fff4}
.c7-band .c7-note{margin:18px 0 0;background:rgba(224,154,74,.12);border-left-color:#e09a4a;color:#f1e3d2}
.c7-band .c7-note b{color:#f3b46f}

/* model page: the sheet head sits in the band */
.c7-band .pagehead{max-width:none}
.c7-band .pagehead .kicker{color:var(--c7-mint)}
.c7-band .pagehead h1{color:#f2fbf8}
.c7-band .pagehead .updated{color:#9fbdb6}
.c7-band .pagehead .ver{border-color:rgba(67,214,180,.5);color:var(--c7-mint);background:transparent}
.c7-band .pagehead .stat{background:rgba(255,255,255,.05);border-color:rgba(67,214,180,.22)}
.c7-band .pagehead .stat .n{color:#e9fbf6}
.c7-band .pagehead .stat .l{color:#8fb1aa}
.c7-band .c7-band-in.sheetband{max-width:1368px;padding-left:max(24px,env(safe-area-inset-left,0px))}
@media (min-width:861px){ .c7-band .c7-band-in.sheetband{padding-right:max(24px,calc(250px - (100vw - 1368px) / 2))} }
.c7-band .c7-lede.sheetlede{margin-top:18px;max-width:52em}

/* ================================================================ sub-tab rail (model sheet): soft glow */
nav[role="tablist"]{background:linear-gradient(180deg,#f3fbf8,#eaf6f2)!important;border:1px solid #c9e6dd!important;border-radius:14px;
  padding:5px!important;gap:4px!important;margin-top:18px!important;
  box-shadow:0 0 0 3px rgba(67,214,180,.10),0 8px 26px rgba(15,125,107,.16)}
nav[role="tablist"] button{border-radius:10px!important;border-bottom:0!important;margin:0!important;padding:9px 16px!important;
  color:#3d6a61!important;transition:background .15s,color .15s}
nav[role="tablist"] button:hover{background:rgba(15,125,107,.08)!important;color:var(--c7-brand)!important}
nav[role="tablist"] button[aria-selected="true"]{background:#fff!important;color:var(--c7-brand)!important;
  box-shadow:0 1px 6px rgba(15,125,107,.22),inset 0 0 0 1px #bfe3d8}

/* ================================================================ fixed right column: index + mini map */
.c7-fab{position:fixed;right:max(18px,env(safe-area-inset-right,0px));top:var(--c7-fixtop);z-index:60;
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 15px 0 12px;border-radius:20px;border:1px solid var(--c7-line);
  background:#fff;color:var(--c7-ink);font:600 14px var(--c7-fs);cursor:pointer;box-shadow:0 4px 18px rgba(20,40,50,.14);
  transition:top .25s ease}
.c7-fab:hover{border-color:var(--c7-brand);color:var(--c7-brand)}
.c7-fab svg{width:18px;height:18px}
.c7-toc{position:fixed;right:max(18px,env(safe-area-inset-right,0px));top:calc(var(--c7-fixtop) + 48px);z-index:61;
  width:min(320px,calc(100vw - 32px));max-height:min(64vh,560px);overflow:auto;background:#fff;border:1px solid var(--c7-line);
  border-radius:12px;box-shadow:0 12px 40px rgba(20,40,50,.18);padding:10px 8px;font:14.5px/1.35 var(--c7-fs);color:var(--c7-ink)}
.c7-toc[hidden]{display:none}
.c7-toc h4{margin:6px 10px 6px;font:600 11.5px var(--c7-fm);letter-spacing:.08em;text-transform:uppercase;color:var(--c7-mut)}
.c7-toc a,.c7-toc button{display:block;width:100%;text-align:left;background:none;border:0;font:inherit;color:inherit;
  padding:7px 10px;border-radius:7px;cursor:pointer;text-decoration:none}
.c7-toc a:hover,.c7-toc button:hover{background:var(--c7-soft);text-decoration:none}
.c7-toc .sub{padding-left:22px;font-size:13.5px;color:var(--c7-mut)}
.c7-toc .on{color:var(--c7-brand);font-weight:600}
.c7-toc .top{border-top:1px solid var(--c7-line);margin-top:6px;padding-top:9px;font-size:13px;color:var(--c7-mut)}

.c7-mini{position:fixed;right:max(18px,env(safe-area-inset-right,0px));top:calc(var(--c7-fixtop) + 50px);z-index:58;
  width:200px;height:128px;border-radius:14px;overflow:hidden;cursor:pointer;color:#d9ece8;
  background:radial-gradient(120% 120% at 70% 30%,var(--c7-night2) 0%,var(--c7-night) 70%);
  border:1px solid rgba(67,214,180,.28);box-shadow:0 8px 28px rgba(8,21,25,.28);
  transition:width .35s cubic-bezier(.2,.8,.2,1),height .35s cubic-bezier(.2,.8,.2,1),top .25s ease,border-radius .3s,box-shadow .3s}
.c7-mini .mm{position:absolute;left:0;top:0;width:200px;height:128px;transition:width .35s cubic-bezier(.2,.8,.2,1),height .35s cubic-bezier(.2,.8,.2,1)}
.c7-mini .mm svg{width:100%;height:100%;display:block}
.c7-mini .cap{position:absolute;left:10px;bottom:7px;font:600 10px var(--c7-fm);letter-spacing:.12em;color:var(--c7-mint);opacity:.9;
  text-transform:uppercase;transition:opacity .2s}
.c7-mini .info{position:absolute;left:376px;top:18px;right:18px;opacity:0;transition:opacity .2s;font:14px/1.5 var(--c7-fs)}
.c7-mini .info h4{margin:0 0 4px;font:600 11px var(--c7-fm);letter-spacing:.14em;text-transform:uppercase;color:var(--c7-mint)}
.c7-mini .info p{margin:0 0 8px;color:#b9d3cd;font-size:13.5px}
.c7-mini .info ul{margin:0 0 10px;padding:0;list-style:none}
.c7-mini .info li{padding:4px 0;border-bottom:1px solid rgba(67,214,180,.12);font-size:13.5px;color:#d9ece8}
.c7-mini .info li b{color:#fff;font-variant-numeric:tabular-nums;margin-right:4px}
.c7-mini .info code{font:12px var(--c7-fm);color:#d6fff4;background:rgba(255,255,255,.07);padding:0 4px;border-radius:3px}
.c7-mini .info a{color:var(--c7-mint);font-weight:600;text-decoration:none;font-size:13.5px}
.c7-mini .zt{position:absolute;pointer-events:none;background:#fff;color:var(--c7-ink);font:12.5px var(--c7-fs);padding:3px 8px;border-radius:6px;
  transform:translate(-50%,-140%);white-space:nowrap;opacity:0;transition:opacity .12s}
.c7-mini.chip:not(.open){width:52px;height:52px;border-radius:26px}
.c7-mini.chip:not(.open) .mm{width:200px;height:128px;left:-74px;top:-38px}
.c7-mini.chip:not(.open) .cap{opacity:0}
.c7-mini.open{width:min(660px,calc(100vw - 36px));height:330px;cursor:default;box-shadow:0 18px 60px rgba(8,21,25,.45)}
.c7-mini.open .mm{width:370px;height:236px;top:30px;left:6px}
.c7-mini.open .info{opacity:1;transition-delay:.15s}
.c7-mini.open .cap{opacity:0}
.c7-mini .mm .lk{stroke:var(--c7-mint);stroke-linecap:round;opacity:.55}
.c7-mini .mm .lk.intra{stroke-dasharray:5 5;opacity:.38}
.c7-mini .mm .zn{fill:#0b2329;stroke:var(--c7-mint);stroke-width:3}
.c7-mini .mm .zn.n1{stroke:#7d9a95;stroke-dasharray:3 3}
.c7-mini .mm .zl{fill:#cfeee6;font:600 15px var(--c7-fm);opacity:0;transition:opacity .2s}
.c7-mini.open .mm .zl{opacity:1}
.c7-mini .mm .flow{stroke:#d6fff4;stroke-width:2.2;stroke-linecap:round;stroke-dasharray:2 16;animation:c7flow 2.2s linear infinite;opacity:.8}
@keyframes c7flow{to{stroke-dashoffset:-36}}

@media (max-width:860px){
  .c7-band{min-height:0}
  .c7-mini{display:none}
  .c7-fab{top:auto;bottom:max(20px,env(safe-area-inset-bottom,0px))}
  .c7-toc{top:auto;bottom:calc(72px + env(safe-area-inset-bottom,0px))}
}

/* ================================================================ search */
.c7-sx{position:fixed;inset:0;z-index:80;background:rgba(8,21,25,.45);display:flex;align-items:flex-start;justify-content:center;
  padding:min(12vh,110px) 16px 16px}
.c7-sx[hidden]{display:none}
.c7-sx .box{width:min(640px,100%);background:#fff;border-radius:14px;box-shadow:0 20px 60px rgba(0,0,0,.3);overflow:hidden;
  font:15px/1.45 var(--c7-fs);color:var(--c7-ink)}
.c7-sx .in{display:flex;align-items:center;gap:10px;padding:12px 16px;border-bottom:1px solid var(--c7-line)}
.c7-sx .in svg{width:18px;height:18px;color:var(--c7-mut)}
.c7-sx input{flex:1;border:0;outline:0;font:17px var(--c7-fs);color:var(--c7-ink);background:transparent;min-width:0}
.c7-sx .esc{font:11px var(--c7-fm);border:1px solid var(--c7-line);border-radius:4px;padding:2px 6px;color:var(--c7-mut);background:none;cursor:pointer}
.c7-sx ul{list-style:none;margin:0;padding:6px;max-height:min(58vh,520px);overflow:auto}
.c7-sx li a{display:block;padding:9px 12px;border-radius:8px;color:inherit;text-decoration:none}
.c7-sx li a:hover,.c7-sx li a.on{background:var(--c7-brand-soft);text-decoration:none}
.c7-sx li b{display:block;font-size:15px;font-weight:600}
.c7-sx li small{display:block;color:var(--c7-mut);font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.c7-sx li .pg{font:600 10.5px var(--c7-fm);letter-spacing:.08em;text-transform:uppercase;color:var(--c7-brand)}
.c7-sx mark{background:#fdf0c8;color:inherit;border-radius:2px}
.c7-sx .none{padding:18px 16px;color:var(--c7-mut)}

.c7-toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);z-index:90;background:#22313a;color:#fff;
  padding:10px 16px;border-radius:9px;font:14px var(--c7-fs);box-shadow:0 8px 24px rgba(0,0,0,.25);max-width:calc(100vw - 32px)}

/* ================================================================ info button + morphing card (structure diagram) */
.c7-i{cursor:pointer}
.c7-i circle{fill:#fff;stroke:var(--c7-brand);stroke-width:1.4;transition:fill .15s}
.c7-i text{fill:var(--c7-brand);font:700 11px var(--c7-fs);pointer-events:none}
.c7-i:hover circle,.c7-i:focus circle{fill:var(--c7-brand)}
.c7-i:hover text,.c7-i:focus text{fill:#fff}
.c7-i:focus{outline:none}
.c7-i:focus-visible circle{stroke-width:3}
.c7-veil{position:fixed;inset:0;z-index:70;background:rgba(232,240,243,.45);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);
  opacity:0;transition:opacity .25s}
.c7-veil.on{opacity:1}
.c7-pop{position:fixed;z-index:71;background:#fff;border:1.5px solid var(--c7-brand);border-radius:14px;overflow:hidden;
  box-shadow:0 24px 70px rgba(8,40,40,.28);color:var(--c7-ink);font:15px/1.55 var(--c7-fs);
  transition:left .38s cubic-bezier(.2,.8,.2,1),top .38s cubic-bezier(.2,.8,.2,1),width .38s cubic-bezier(.2,.8,.2,1),height .38s cubic-bezier(.2,.8,.2,1),border-radius .38s,opacity .2s}
.c7-pop.fuel{border-radius:28px}
.c7-pop.big{border-radius:16px}
.c7-pop .pin{padding:20px 22px 18px;opacity:0;transition:opacity .2s}
.c7-pop.big .pin{opacity:1;transition-delay:.22s}
.c7-pop .k{font:600 11px var(--c7-fm);letter-spacing:.12em;text-transform:uppercase;color:var(--c7-brand);margin:0 0 4px}
.c7-pop h3{margin:0 0 4px;font-size:22px;line-height:1.2}
.c7-pop .code{display:inline-block;font:12.5px var(--c7-fm);color:#245a50;background:var(--c7-brand-soft);padding:2px 8px;border-radius:6px;margin:0 0 12px}
.c7-pop p{margin:0 0 10px}
.c7-pop ul{margin:0 0 4px;padding-left:18px}
.c7-pop li{margin:0 0 4px}
.c7-pop .x{position:absolute;right:10px;top:10px;width:30px;height:30px;border-radius:15px;border:1px solid var(--c7-line);background:#fff;
  cursor:pointer;font:16px/1 var(--c7-fs);color:var(--c7-mut)}

/* ================================================================ tab-switch flag (transparent, small) */
/* while the flag plays the page behind it is blurred; the class is set in <head> before first paint */
body>*{transition:filter .5s ease,opacity .5s ease}
html.c7-loading body>*:not(.c7-flag):not(script){filter:blur(8px) saturate(.85);opacity:.7;pointer-events:none}
@media (prefers-reduced-motion:reduce){ html.c7-loading body>*{filter:none;opacity:1} }
.c7-flag{position:fixed;left:50%;top:50%;z-index:95;pointer-events:none;transform:translate(-50%,-50%);
  width:min(380px,80vw);opacity:1;transition:opacity .45s ease}
.c7-flag canvas{display:block;width:100%;height:auto}
.c7-flag .wm{text-align:center;font:600 11px var(--c7-fm);letter-spacing:.3em;color:var(--c7-red);opacity:0;transition:opacity .3s;margin-top:6px}
.c7-flag.lock .wm{opacity:.85}
.c7-flag.out{opacity:0}

/* ================================================================ page pattern: band → cards → details */
.c7-page{max-width:1120px;margin:0 auto;padding:30px max(20px,env(safe-area-inset-right,0px)) 96px max(20px,env(safe-area-inset-left,0px));
  font:16.5px/1.65 var(--c7-fs);color:var(--c7-ink)}
.c7-kicker{font:600 12px var(--c7-fm);letter-spacing:.14em;text-transform:uppercase;color:var(--c7-brand);margin:0 0 10px}
.c7-band h1,.c7-page h1{font-size:clamp(28px,3.6vw,40px);line-height:1.12;letter-spacing:-.02em;font-weight:700}
.c7-lede{font-size:17.5px;color:#3a4c58;max-width:46em;margin:0 0 26px}
.c7-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px;margin:0 0 34px}
.c7-page .c7-card,.c7-card{color:var(--c7-ink)}
.c7-card{display:flex;flex-direction:column;gap:6px;text-align:left;background:#fff;border:1px solid var(--c7-line);border-radius:12px;
  padding:16px 18px 14px;text-decoration:none;font:inherit;cursor:pointer;transition:border-color .15s,box-shadow .15s,transform .15s}
.c7-card:hover{border-color:var(--c7-brand);box-shadow:0 6px 20px rgba(15,125,107,.10);transform:translateY(-1px);text-decoration:none}
.c7-card .ic{width:34px;height:34px;border-radius:9px;background:var(--c7-brand-soft);color:var(--c7-brand);display:flex;align-items:center;justify-content:center}
.c7-card .ic svg{width:19px;height:19px}
.c7-card b{font-size:16.5px;line-height:1.25;font-weight:600}
.c7-card span{font-size:14px;line-height:1.5;color:var(--c7-mut)}
.c7-card em{margin-top:auto;padding-top:6px;font-style:normal;font-size:13.5px;color:var(--c7-brand);font-weight:600}
.c7-card.soon{cursor:default}
.c7-card.soon:hover{transform:none;box-shadow:none;border-color:var(--c7-line)}
.c7-card.soon em{color:var(--c7-mut)}

details.c7-more{border:1px solid var(--c7-line);border-radius:12px;margin:0 0 14px;background:#fff;scroll-margin-top:calc(var(--tb) + 14px)}
details.c7-more>summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:12px;padding:14px 18px;font-weight:600;font-size:18px}
details.c7-more>summary::-webkit-details-marker{display:none}
details.c7-more>summary::after{content:"";margin-left:auto;width:9px;height:9px;border-right:2px solid var(--c7-mut);border-bottom:2px solid var(--c7-mut);
  transform:rotate(45deg);transition:transform .2s}
details.c7-more[open]>summary::after{transform:rotate(-135deg)}
details.c7-more>summary small{font-weight:400;font-size:14px;color:var(--c7-mut)}
details.c7-more>.body{padding:2px 18px 18px;border-top:1px solid var(--c7-line)}
.c7-page h2{font-size:22px;font-weight:600;margin:30px 0 10px;scroll-margin-top:calc(var(--tb) + 14px)}
.c7-page h3{font-size:18px;font-weight:600;margin:22px 0 6px;scroll-margin-top:calc(var(--tb) + 14px)}
.c7-page p{margin:0 0 12px}
.c7-page a{color:var(--c7-brand)}
.c7-page code{background:var(--c7-soft);border-radius:5px;padding:1px 6px;font:13px var(--c7-fm)}
.c7-page pre{background:#0c2127;color:#eaf1f6;border-radius:10px;padding:14px 16px;overflow:auto;font:13px/1.6 var(--c7-fm)}
.c7-page pre code{background:none;padding:0;color:inherit}
.c7-tw{overflow-x:auto;margin:10px 0 14px}
.c7-page table{width:100%;border-collapse:collapse;font-size:14.5px;line-height:1.45}
.c7-page th,.c7-page td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--c7-line);vertical-align:top}
.c7-page th{color:var(--c7-mut);font:600 11.5px var(--c7-fm);letter-spacing:.06em;text-transform:uppercase}
.c7-page blockquote{border-left:3px solid var(--c7-brand);margin:12px 0;padding:4px 16px;background:var(--c7-soft);border-radius:0 8px 8px 0}
.c7-note{border-left:3px solid var(--c7-warn);background:var(--c7-warn-soft);border-radius:0 10px 10px 0;padding:12px 16px;margin:0 0 22px;font-size:15px}
.c7-note b{color:var(--c7-warn)}
.c7-fig{max-width:760px;margin:0 auto 30px;border:1px solid var(--c7-line);border-radius:12px;overflow:hidden;background:#fff}
.c7-fig img{display:block;width:100%;height:auto}
.c7-fig figcaption{padding:12px 16px;font-size:14px;color:var(--c7-mut);border-top:1px solid var(--c7-line)}
.c7-foot{border-top:1px solid var(--c7-line);padding:22px 20px;text-align:center;color:var(--c7-mut);font:13.5px var(--c7-fs)}

/* model page: overview cards under the band */
.c7-ov{margin:22px 0 4px}
.c7-ov .c7-cards{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px;margin:0}
.c7-ov .c7-card{padding:12px 14px 11px}
.c7-ov .c7-card b{font-size:15.5px}
.c7-ov .c7-card span{font-size:13.5px}
.c7-ov .c7-card[aria-pressed="true"]{border-color:var(--c7-brand);background:var(--c7-brand-soft)}
@media (max-width:600px){ .c7-ov .c7-cards{grid-template-columns:repeat(2,minmax(0,1fr))} .c7-ov .c7-card span{display:none} .c7-ov .c7-card .ic{width:28px;height:28px} .c7-ov .c7-card em{display:none} }

@media (prefers-reduced-motion:reduce){ .c7-mini,.c7-mini .mm,.c7-pop,.c7-fab{transition:none} .c7-mini .mm .flow{animation:none} }
@media print{ header.c7-top,.c7-fab,.c7-toc,.c7-sx,.c7-mini,.c7-flag{display:none!important} }