.cs-wrap{position:fixed;bottom:30px;right:30px;z-index:9999}.cs-icon{width:60px;height:60px;cursor:pointer;border-radius:50%;box-shadow:0 2px 12px #00000026;transition:transform .3s}.cs-icon:hover{transform:scale(1.1)}.cs-panel{position:fixed;bottom:100px;right:30px;width:420px;height:600px;background:#fff;border-radius:12px;box-shadow:0 4px 24px #0003;display:flex;flex-direction:column;overflow:hidden}@media (max-width: 768px){.cs-panel{bottom:0;right:0;width:100vw;height:100vh;border-radius:0}}.cs-panel-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:#2951ff;color:#fff;font-size:16px;flex-shrink:0}.cs-close{background:none;border:none;color:#fff;font-size:24px;cursor:pointer;line-height:1}.cs-panel-body{flex:1;position:relative}.cs-loading{position:absolute;top:0;left:0;width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;background:#f5f7fa;z-index:1;color:#666;font-size:14px}.cs-spinner{width:36px;height:36px;border:3px solid #e0e0e0;border-top-color:#2951ff;border-radius:50%;animation:cs-spin .8s linear infinite}@keyframes cs-spin{to{transform:rotate(360deg)}}.cs-panel-body iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:none;opacity:1;transition:opacity .3s}