.poster-workspace{display:grid;grid-template-columns:minmax(360px,520px) 1fr;gap:28px;align-items:start}.poster-controls{background:#fff;border:1px solid #ebeaf0;border-radius:24px;padding:28px;box-shadow:0 12px 30px #24202d08}.poster-section-title{display:flex;align-items:center;gap:10px}.poster-section-title i{color:#5541ee;font-size:19px}.poster-section-title h2{font-size:20px}.poster-upload-zone{margin:20px 0 14px;min-height:190px;border:1.5px dashed #d7d4e5;border-radius:18px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;color:#777486;position:relative;text-align:center;padding:20px}.poster-upload-zone i{width:54px;height:54px;display:grid;place-items:center;border-radius:16px;background:#f0eeff;color:#5541ee;font-size:28px}.poster-upload-zone strong{color:#4c4859;font-size:15px}.poster-upload-zone span{font-size:12px;color:#aaa7b3}.poster-upload-zone input{position:absolute;inset:0;opacity:0;cursor:pointer}.poster-upload-zone.has-files{border-color:#5541ee;background:#faf9ff}.poster-thumbnails{max-height:240px;overflow:auto}.poster-analyze{width:100%;margin:4px 0 18px}.poster-prompt{min-height:220px;resize:vertical;line-height:1.55}.poster-size-grid{gap:10px}.poster-size-grid .choice{padding:12px 6px;display:flex;flex-direction:column;gap:4px}.poster-size-grid .choice strong{font-size:15px}.poster-size-grid .choice small{font-size:10px;opacity:.75}.poster-generate{margin-top:18px}.poster-preview-card{min-height:720px}.poster-result{max-width:520px;margin:24px auto 0}.poster-result>img{display:block;width:100%;max-height:620px;object-fit:contain;border-radius:16px;background:#f7f6fa}.poster-preview-card .preview-empty{min-height:620px}@media(max-width:1000px){.poster-workspace{grid-template-columns:1fr}.poster-preview-card{min-height:520px}.poster-preview-card .preview-empty{min-height:420px}}