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p{margin-bottom:10px;color:#555}.help-text ol{margin-left:20px;color:#666}.help-text li{margin-bottom:5px}.help-text a{color:#667eea;text-decoration:none}.help-text a:hover{text-decoration:underline}.feishu-loading{position:fixed;top:0;left:0;width:100%;height:100%;background:#ffffffe6;display:flex;flex-direction:column;justify-content:center;align-items:center;z-index:999}.loading-spinner{width:40px;height:40px;border:4px solid #f3f3f3;border-top:4px solid #667eea;border-radius:50%;animation:spin 1s linear infinite;margin-bottom:20px}.feishu-loading p{color:#333;font-size:1rem}.file-source{position:absolute;top:10px;left:10px;background:#667eeae6;color:#fff;padding:2px 8px;border-radius:12px;font-size:.7rem;font-weight:500}.file-source.cache{background:#52c41ae6}@keyframes slideInUp{0%{opacity:0;transform:translateY(50px)}to{opacity:1;transform:translateY(0)}}@keyframes 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