.signature-header .guide-menu .deck-teaser-link{border:1px solid var(--line-2);background:var(--muted-block);margin-bottom:6px;min-height:72px;text-align:start}
.signature-header .guide-menu .deck-teaser-link:hover{border-color:var(--accent)}
.deck-teaser-link i{display:grid;place-items:center;flex:none;width:36px;height:36px;border:1px solid var(--line-2);border-radius:50%;font-size:13px;background:var(--surface);transition:transform .2s ease}
.deck-teaser-link:hover i{transform:scale(1.08)}
html.deck-teaser-open{overflow:hidden}
dialog.deck-teaser{position:fixed;inset:0;margin:auto;padding:0;width:min(420px,calc(100vw - 32px));height:fit-content;max-width:none;max-height:calc(100svh - 24px);overflow:auto;overscroll-behavior:contain;border:1px solid var(--line-2);border-radius:20px;background:var(--surface);color:var(--ink);box-shadow:0 24px 90px #0006}
dialog.deck-teaser:not([open]){display:none}
dialog.deck-teaser[open]{display:flex;flex-direction:column;animation:teaser-enter .24s ease-out}
dialog.deck-teaser::backdrop{background:rgba(4,10,24,.82);backdrop-filter:blur(8px)}
.deck-teaser-head{display:flex;gap:16px;align-items:center;justify-content:space-between;padding:16px 16px 14px 20px;border-bottom:1px solid var(--line);flex:none}
.deck-teaser-head h2{margin:0;font-family:inherit;font-size:17px;font-weight:600;line-height:1.35;color:var(--ink)}
.deck-teaser-head p{margin:5px 0 0;font-size:11px;line-height:1.45;color:var(--ink-3)}
.deck-teaser-close{display:grid;place-items:center;flex:none;width:44px;height:44px;padding:0;border:1px solid var(--line-2);border-radius:50%;background:var(--muted-block);color:var(--ink);font:26px/1 system-ui;cursor:pointer}
.deck-teaser-close:hover{color:var(--accent);border-color:var(--accent)}
.deck-teaser :focus-visible,.deck-teaser-link:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.deck-teaser-player{background:#050b16;min-height:0;flex:none}
.deck-teaser video{display:block;width:100%;height:min(70svh,calc(100svh - 200px));min-height:120px;object-fit:contain;background:#050b16}
.deck-teaser-foot{padding:12px 20px;flex:none}
.deck-teaser-foot p{font-size:11px;line-height:1.6;color:var(--ink-3);margin:0}
.deck-teaser-foot a{color:var(--accent);text-underline-offset:3px}
.deck-teaser-error[hidden]{display:none}
@keyframes teaser-enter{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:760px){.guide-menu{max-height:calc(100svh - 165px)}.deck-teaser-head{padding:12px 12px 12px 16px}.deck-teaser-head h2{font-size:16px}}
@media(prefers-reduced-motion:reduce){dialog.deck-teaser[open]{animation:none}.deck-teaser-link i{transition:none}}
@media print{.deck-teaser{display:none!important}}