html,body,#app{margin:0;padding:0;height:100%;background:#0f1c2e;overflow:hidden;font-family:-apple-system,PingFang SC,Microsoft YaHei,sans-serif}.touch-web{position:relative;width:100vw;height:100vh;background:#0f1c2e}.touch-iframe{width:100%;height:100%;border:0;display:block}.center{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#fff;gap:24px}.spinner{width:80px;height:80px;border:8px solid rgba(255,255,255,.2);border-top-color:#4dd0e1;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.tip{font-size:36px;letter-spacing:2px}.error-icon{width:100px;height:100px;border-radius:50%;background:#ff5252;color:#fff;font-size:64px;font-weight:700;display:flex;align-items:center;justify-content:center}.retry-btn{padding:16px 48px;font-size:28px;border:none;border-radius:12px;background:#4dd0e1;color:#0f1c2e;cursor:pointer}.offline-bar{position:absolute;top:0;left:0;right:0;background:#ff9800;color:#fff;text-align:center;padding:12px;font-size:20px;z-index:10}