.briefing-page{--brief-ink:#101418;--brief-muted:#647077;--brief-line:#dce2e5;--brief-green:#18a874;min-height:100vh;color:var(--brief-ink);background:#f3f5f6;font-family:Avenir Next,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.briefing-site-header{border-bottom:1px solid var(--brief-line);background:#fff;align-items:center;gap:28px;height:76px;padding:0 max(24px,50vw - 620px);display:flex}.briefing-site-header .brand-logo{width:126px;height:auto}.briefing-site-header nav{gap:24px;margin-left:auto;display:flex}.briefing-site-header nav a{color:var(--brief-ink);text-underline-offset:5px;font-size:14px}.briefing-main{max-width:1240px;margin:auto;padding:40px 28px 48px}.briefing-heading{justify-content:space-between;align-items:end;gap:36px;margin-bottom:24px;display:flex}.briefing-heading p{color:var(--brief-green);letter-spacing:.14em;margin:0 0 10px;font:700 12px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace}.briefing-heading h1{letter-spacing:-.035em;margin:0 0 8px;font-size:clamp(30px,4vw,48px);line-height:1.15}.briefing-heading span{color:var(--brief-muted);line-height:1.7}.briefing-heading dl{flex:none;gap:32px;margin:0;display:flex}.briefing-heading dl div{border-left:1px solid var(--brief-line);padding-left:18px}.briefing-heading dt{color:var(--brief-muted);margin-bottom:5px;font-size:12px}.briefing-heading dd{margin:0;font-size:14px;font-weight:650}.briefing-heading .is-current{color:var(--brief-green)}.briefing-heading .is-stale{color:#a56616}.briefing-document{border:1px solid var(--brief-line);background:#fff;border-radius:14px;overflow:hidden;box-shadow:0 18px 55px #182a4214}.briefing-document iframe{background:#fff;border:0;width:100%;height:max(760px,100vh - 230px);display:block}.briefing-document.has-images{box-shadow:none;background:0 0;border:0;border-radius:0;overflow:visible}.briefing-gallery{grid-template-columns:220px minmax(0,1fr);align-items:start;gap:20px;display:grid}.briefing-gallery-index{border:1px solid var(--brief-line);background:#fff;border-radius:12px;position:sticky;top:20px;overflow:hidden}.briefing-gallery-index ol{margin:0;padding:8px;list-style:none}.briefing-gallery-index li+li{border-top:1px solid #eef1f2}.briefing-gallery-index button{color:#4d5a60;text-align:left;cursor:pointer;background:0 0;border:0;border-radius:8px;align-items:center;gap:12px;width:100%;padding:11px 10px;font:600 13px/1.3 inherit;display:flex}.briefing-gallery-index button span{color:#899399;font-variant-numeric:tabular-nums;width:25px;font:700 11px/1 inherit}.briefing-gallery-index button:hover{color:var(--brief-ink);background:#f4f7f6}.briefing-gallery-index button.is-current{color:#0e6d4c;background:#eaf7f2}.briefing-gallery-index button.is-current span{color:var(--brief-green)}.briefing-gallery-stage{border:1px solid var(--brief-line);background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 18px 55px #10141812}.briefing-gallery-toolbar,.briefing-gallery-controls{justify-content:space-between;align-items:center;gap:16px;display:flex}.briefing-gallery-toolbar{border-bottom:1px solid var(--brief-line);min-height:56px;padding:0 18px}.briefing-gallery-toolbar div{align-items:baseline;gap:12px;display:flex}.briefing-gallery-toolbar strong{font-size:15px}.briefing-gallery-toolbar span,.briefing-gallery-controls span{color:var(--brief-muted);font-size:12px}.briefing-gallery-toolbar button,.briefing-gallery-controls button{color:#0e6d4c;cursor:pointer;background:#fff;border:1px solid #b9d9cc;border-radius:8px;padding:8px 12px;font:650 12px/1 inherit}.briefing-image-button{cursor:zoom-in;background:#fff;border:0;width:100%;padding:0;display:block}.briefing-image-button img{width:100%;height:auto;display:block}.briefing-gallery-controls{border-top:1px solid var(--brief-line);min-height:58px;padding:0 18px}.briefing-lightbox{z-index:1000;background:#080d10eb;place-items:center;padding:64px 24px 24px;display:grid;position:fixed;inset:0;overflow:auto}.briefing-lightbox img{background:#fff;width:min(2160px,100%);height:auto;display:block;box-shadow:0 24px 80px #00000059}.briefing-lightbox-close{z-index:1;color:#fff;cursor:pointer;background:#136f51;border:1px solid #56ba96;border-radius:8px;padding:10px 16px;font:650 13px/1 inherit;position:fixed;top:16px;right:20px}.briefing-scroll-hint,.briefing-warning{margin:0;padding:10px 18px;font-size:12px;line-height:1.6}.briefing-scroll-hint{color:var(--brief-muted);border-bottom:1px solid var(--brief-line)}.briefing-warning{color:#704b12;background:#fff8e9;border-bottom:1px solid #ead5ae}.briefing-empty{text-align:center;border:1px solid var(--brief-line);background:#fff;border-radius:14px;place-content:center;min-height:420px;display:grid}.briefing-empty p{color:var(--brief-green);letter-spacing:.16em;margin:0;font:700 12px ui-monospace,monospace}.briefing-empty h2{margin:16px 0 10px;font-size:28px}.briefing-empty span,.briefing-note{color:var(--brief-muted)}.briefing-note{padding-top:18px;font-size:12px}.briefing-page :is(a,button,iframe):focus-visible{outline-offset:3px;outline:3px solid #315ae8}@media (max-width:720px){.briefing-site-header{height:64px;padding:0 16px}.briefing-site-header .brand-logo{width:104px}.briefing-site-header nav{gap:14px}.briefing-site-header nav a{font-size:12px}.briefing-main{padding:24px 12px 30px}.briefing-heading{display:block}.briefing-heading dl{gap:20px;margin-top:20px}.briefing-document{border-radius:10px}.briefing-document iframe{height:calc(100vh - 245px);min-height:560px}.briefing-gallery{display:block}.briefing-gallery-index{border-radius:10px;margin-bottom:10px;position:static}.briefing-gallery-index ol{scrollbar-width:thin;gap:6px;padding:7px;display:flex;overflow-x:auto}.briefing-gallery-index li{flex:none;border:0!important}.briefing-gallery-index button{white-space:nowrap;gap:7px;padding:9px 10px}.briefing-gallery-stage{border-radius:10px}.briefing-gallery-toolbar{min-height:52px;padding:0 12px}.briefing-gallery-toolbar button{padding:7px 9px}.briefing-gallery-controls{min-height:54px;padding:0 10px}.briefing-gallery-controls span{display:none}.briefing-lightbox{place-items:start center;padding:58px 8px 16px}}@media (prefers-reduced-motion:reduce){.briefing-page *{scroll-behavior:auto!important}}