.form-group{margin-bottom:14px}.form-label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:var(--text-primary, #1f2329)}.form-label .required{color:#e54d42}.form-textarea{width:100%;box-sizing:border-box;border:1px solid var(--border-color, #e0e0e6);border-radius:10px;padding:10px 12px;font-size:13px;line-height:1.6;resize:vertical;background:var(--bg-input, #fff);color:var(--text-primary, #1f2329);font-family:inherit}.form-textarea:focus{outline:none;border-color:#534ab7}.form-hint{margin:6px 0 0;font-size:12px;color:var(--text-secondary, #86909c);line-height:1.5}.av-row{display:flex;align-items:flex-start;gap:10px;margin-bottom:12px}.av-row__label{flex:0 0 auto;min-width:70px;font-size:13px;font-weight:600;color:var(--text-primary, #1f2329);line-height:30px}.av-seg{display:inline-flex;flex-wrap:wrap;gap:6px}.av-seg__btn{display:inline-flex;align-items:center;gap:4px;border:1px solid var(--border-color, #e0e0e6);background:var(--bg-input, #fff);color:var(--text-primary, #1f2329);border-radius:999px;padding:5px 14px;font-size:13px;cursor:pointer;transition:all .15s;line-height:1.4}.av-seg__btn i{font-style:normal;font-size:11px;color:var(--text-secondary, #86909c)}.av-seg__btn:hover{border-color:#534ab7;color:#534ab7}.av-seg__btn.active{background:#534ab7;border-color:#534ab7;color:#fff}.av-seg__btn.active i{color:#ffffffbf}.av-mode-hint{margin:-6px 0 12px 80px;font-size:12px;color:var(--text-secondary, #86909c);line-height:1.5}.av-divider{height:1px;background:var(--border-color, #e0e0e6);margin:20px 0 14px}.av-presets{margin-top:10px;display:flex;flex-wrap:wrap;align-items:center;gap:6px}.av-presets__title{font-size:12px;color:var(--text-secondary, #86909c);margin-right:4px}.av-preset-chip{padding:4px 11px;font-size:12px;line-height:1.5;border-radius:999px;border:1px solid var(--border-color, #e0e0e6);background:var(--bg-input, #fff);color:var(--text-primary, #1f2329);cursor:pointer;transition:all .15s}.av-preset-chip:hover{border-color:#534ab7;color:#534ab7}.av-preset-chip:active{background:#534ab7;color:#fff;border-color:#534ab7}.av-thumbs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px}.av-thumb{position:relative;width:76px;height:76px;border-radius:10px;overflow:hidden;border:1px solid var(--border-color, #e0e0e6);background:var(--bg-input, #f7f8fa);flex:0 0 auto}.av-thumb img{width:100%;height:100%;-o-object-fit:cover;object-fit:cover;display:block}.av-thumb__badge{position:absolute;left:0;bottom:0;padding:1px 6px;font-size:11px;line-height:1.6;color:#fff;background:#534ab7eb;border-top-right-radius:6px}.av-thumb__del{position:absolute;top:3px;right:3px;width:20px;height:20px;display:flex;align-items:center;justify-content:center;border:none;border-radius:50%;background:#0000008c;color:#fff;cursor:pointer;padding:0}.av-thumb__del:hover{background:#e54d42}.av-thumb--add{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;border:1px dashed var(--border-color, #c9cdd4);color:var(--text-secondary, #86909c);cursor:pointer;font-size:12px;transition:all .15s}.av-thumb--add:hover{border-color:#534ab7;color:#534ab7}.av-price-note{margin:4px 0 12px;padding:8px 12px;border-radius:8px;background:#534ab714;color:#534ab7;font-size:12px;line-height:1.5}.generate-btn.btn-primary{display:block;width:100%;border:none;border-radius:999px;padding:11px 20px;font-size:15px;font-weight:600;color:#fff;background:linear-gradient(135deg,#534ab7,#7b5cd6);cursor:pointer;transition:opacity .15s}.generate-btn.btn-primary:hover{opacity:.9}.generate-btn.btn-primary:disabled{opacity:.55;cursor:default}.generate-btn.btn-primary.loading{background:var(--text-muted, #636366);opacity:.55;cursor:not-allowed;transform:none}.generate-btn.btn-primary.loading:hover,.generate-btn.btn-primary:disabled:hover{opacity:.55;transform:none}.av-tip{margin:10px 0 0;font-size:12px;color:var(--text-secondary, #86909c);line-height:1.7}.av-wait-time{margin:10px 0 0;font-size:13px;color:var(--text-primary, #1f2329);font-variant-numeric:tabular-nums}.av-wait-hint{margin:6px 0 0;font-size:12px;color:var(--text-secondary, #86909c)}.ai-video-result{display:flex;flex-direction:column;gap:12px;padding:8px}.ai-video-result video{width:100%;max-height:62vh;background:#000;border-radius:12px;-o-object-fit:contain;object-fit:contain;display:block}.ai-video-result__bar{display:flex;align-items:center;gap:12px}.ai-video-dl{width:auto;flex:0 0 auto;padding:9px 22px;font-size:14px}.ai-video-result__note{font-size:12px;color:var(--text-secondary, #86909c)}.ai-result--error__title{font-weight:600;font-size:14px;margin-bottom:6px}.ai-result--error__msg{font-size:13px;word-break:break-all}.ai-result--error__refund{margin-top:10px;font-size:12px;color:#16a34a}