*{margin:0;padding:0;box-sizing:border-box}.a2hs-prompt{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background-color:rgba(0,0,0,0.6);z-index:9999;align-items:center;justify-content:center;animation:fadeIn .3s ease-out}.a2hs-container{position:relative;background:#fff;border-radius:16px;padding:24px;max-width:320px;width:90%;box-shadow:0 10px 25px rgba(0,0,0,0.2);text-align:center}.a2hs-close{position:absolute;top:12px;right:12px;background:0;border:0;padding:4px;cursor:pointer;color:#888;transition:color .2s}.a2hs-close:hover{color:#333}.a2hs-icon{margin:0 auto 16px;width:64px;height:64px;border-radius:16px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#6e8efb,#a777e3);box-shadow:0 4px 12px rgba(0,0,0,0.1)}.a2hs-icon img{border-radius:12px}.a2hs-title{margin:0 0 8px;font-size:1.4rem;color:#333;font-weight:600}.a2hs-text{margin:0 0 20px;font-size:.9rem;color:#666;line-height:1.5}.a2hs-steps{margin:0 0 24px;text-align:left}.a2hs-step{display:flex;align-items:center;margin-bottom:12px}.a2hs-step-number{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;background:#6e8efb;color:white;border-radius:50%;font-size:.8rem;margin-right:12px;flex-shrink:0}.a2hs-step-text{font-size:.95rem;color:#444}.a2hs-share-icon{margin-left:auto;width:24px;height:24px;background:#333;color:white;border-radius:4px;display:inline-flex;align-items:center;justify-content:center;font-size:.8rem}.a2hs-action{background:#6e8efb;color:white;border:0;border-radius:8px;padding:12px 24px;font-size:1rem;font-weight:500;width:100%;cursor:pointer;transition:background .2s,transform .1s}.a2hs-action:hover{background:#5a7df4}.a2hs-action:active{transform:scale(0.98)}@keyframes fadeIn{from{opacity:0}to{opacity:1}}@keyframes slideUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.a2hs-container{animation:slideUp .3s ease-out}@media(prefers-color-scheme:dark){.a2hs-container{background:#2a2a2a}.a2hs-title{color:#f0f0f0}.a2hs-text,.a2hs-step-text{color:#bbb}.a2hs-close{color:#aaa}.a2hs-close:hover{color:#ddd}.a2hs-share-icon{background:#555}}body{font-family:'Arial',sans-serif;background-color:#f5f5f5}.guide-img img{width:100vw;height:auto;border:0;margin:0;padding:0}.app-container{display:flex;flex-direction:column;height:100vh}.app-header{color:white;padding:15px;display:flex;justify-content:space-between;align-items:center;box-shadow:0 2px 5px rgba(0,0,0,0.2)}.app-header h1{font-size:1.5rem}#refresh-btn{background-color:white;color:#2196f3;border:0;padding:8px 15px;border-radius:4px;font-weight:bold;cursor:pointer}.iframe-container{flex:1;position:relative}iframe{width:100%;height:100%;position:fixed;top:-100%;left:-100%}.loading-indicator{position:fixed;top:0;left:0;right:0;bottom:0;background-color:rgba(0,0,0,0.5);display:none;flex-direction:column;justify-content:center;align-items:center;z-index:1000}.loading-indicator p{color:white;margin-top:15px;font-size:1.2rem}.spinner{border:5px solid #f3f3f3;border-top:5px solid #2196f3;border-radius:50%;width:50px;height:50px;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}