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.ai-poster-demo .stage-list details[open]{background:#11192a;border-radius:14px}
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.ai-poster-demo .viewer-canvas img{max-width:none;width:auto;object-fit:contain}
.ai-poster-demo #toast{background:#e1e4ff;color:#11182a;border:1px solid #fff6;border-radius:16px;box-shadow:0 10px 30px #0005}
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@media(max-width:1150px){.ai-poster-demo .workspace{grid-template-columns:250px minmax(0,1fr);gap:24px}.ai-poster-demo .brief-panel{padding:20px}.ai-poster-demo .review-panel{grid-template-columns:210px minmax(0,1fr);gap:24px}.ai-poster-demo .review-notes{grid-column:1/-1}.ai-poster-demo .gallery{gap:12px}.ai-poster-demo .poster-button{padding:6px}.ai-poster-demo .intro{padding-top:42px}}
@media(max-width:760px){.ai-poster-demo .intro-bottom{align-items:start;flex-direction:column;gap:18px}.ai-poster-demo .mode-note{text-align:left}.ai-poster-demo .intro{padding-top:35px}.ai-poster-demo .workspace{gap:28px}.ai-poster-demo .brief-panel{width:100%}.ai-poster-demo .review-panel{padding:24px;width:100%}.ai-poster-demo .site-return{display:none}.ai-poster-demo .gallery-note{flex-wrap:wrap}.ai-poster-demo .poster-button{padding:9px}.ai-poster-demo .gallery{gap:28px}.ai-poster-demo .tabs{gap:18px}.ai-poster-demo h1{letter-spacing:-1px}.ai-poster-demo .viewer-header strong{font-size:13px}}
@media(prefers-reduced-motion:reduce){.ai-poster-demo .poster-button:hover{transform:none}}