.platform-presentation{width:min(1040px,calc(100% - 32px));max-height:calc(100dvh - 32px);padding:0;border:1px solid var(--border,#d1d1d1);border-radius:14px;background:var(--bg,#fff);color:var(--text,#171717);box-shadow:0 25px 90px #0005;overflow:auto}.platform-presentation::backdrop{background:#0009}.presentation-top,.presentation-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 26px}.presentation-top{font-weight:700}.presentation-top button{font-size:24px;line-height:1;min-width:44px;min-height:44px}.presentation-progress{height:3px;background:#8882}.presentation-progress:after{content:'';display:block;width:var(--progress);height:100%;background:#dc0018;transition:width .25s}.presentation-body{display:grid;grid-template-columns:.85fr 1.15fr;min-height:370px}.presentation-copy{padding:40px 36px;align-self:center}.presentation-copy h2{font-size:clamp(24px,3vw,36px);line-height:1.16;margin:12px 0 20px}.presentation-copy h2:focus{outline:none}.presentation-copy p:last-child{line-height:1.75;margin:0;max-width:55ch}.presentation-count{color:#dc0018;font-weight:700;letter-spacing:.12em}.presentation-visual{background:#dc001809;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:30px;position:relative}.presentation-mark{font-size:65px;font-weight:700;line-height:1;color:#dc0018;margin-bottom:10px}.presentation-node{padding:13px 20px;border:1px solid #8886;border-radius:10px;background:var(--panel,var(--bg,#fff));font-size:14px;font-weight:600;text-align:center;width:min(240px,100%);position:relative}.presentation-node+.presentation-node:before{content:'';position:absolute;left:50%;height:17px;top:-17px;border-left:2px solid #dc001865}.presentation-node.featured{border-color:#dc0018;box-shadow:0 3px 14px #dc001812}.presentation-bottom{border-top:1px solid #8883;align-items:flex-end}.presentation-actions{display:flex;gap:10px;flex-shrink:0}.presentation-actions button,.presentation-voice button{min-height:44px}.presentation-voice{display:flex;align-items:center;gap:12px}.presentation-voice small{max-width:260px;font-size:12px;line-height:1.5}.presentation-voice button:disabled{opacity:.55;cursor:default}[data-theme=dark] .platform-presentation{background:#171b22;color:#f3f3f3}[data-theme=dark] .presentation-node{background:#242a33}[data-theme=dark] .presentation-count{color:#ff6575}@media(max-width:650px){.platform-presentation{width:calc(100% - 16px);max-height:calc(100dvh - 16px)}.presentation-top,.presentation-bottom{padding:14px 18px}.presentation-body{grid-template-columns:1fr;min-height:0}.presentation-visual{flex-direction:row;flex-wrap:wrap;gap:10px;padding:22px 18px}.presentation-mark{font-size:34px;margin:0;width:100%;text-align:center}.presentation-node{width:auto;max-width:100%;padding:9px 12px;font-size:12px}.presentation-node+.presentation-node:before{display:none}.presentation-copy{padding:22px}.presentation-bottom{flex-wrap:wrap;align-items:center}.presentation-actions{margin-left:auto}.presentation-voice{width:100%}}@media(prefers-reduced-motion:reduce){.presentation-progress:after{transition:none}}