#rk-bubble{position:fixed;right:20px;bottom:20px;width:58px;height:58px;border-radius:50%;background:#1f4e79;color:#fff;border:0;font-size:26px;cursor:pointer;box-shadow:0 4px 14px rgba(0,0,0,.25);z-index:9999}
#rk-panel{position:fixed;right:20px;bottom:90px;width:340px;max-width:calc(100vw - 40px);height:480px;max-height:calc(100vh - 120px);background:#fff;border-radius:12px;box-shadow:0 8px 30px rgba(0,0,0,.25);display:none;flex-direction:column;overflow:hidden;z-index:9999;font:14px/1.4 system-ui,sans-serif;color:#222}
#rk-panel.open{display:flex}
#rk-head{background:#1f4e79;color:#fff;padding:10px 12px;display:flex;justify-content:space-between;align-items:center}
#rk-head a{color:#fff;font-size:12px}
#rk-head button{background:none;border:0;color:#fff;font-size:18px;cursor:pointer}
#rk-log{flex:1;overflow-y:auto;padding:10px;background:#f5f7fa}
.rk-m{margin:6px 0;padding:8px 10px;border-radius:10px;max-width:88%;white-space:pre-wrap}
.rk-bot{background:#fff;border:1px solid #dde3ea}
.rk-user{background:#1f4e79;color:#fff;margin-left:auto}
.rk-m a{color:#1f4e79;font-weight:600}
.rk-user a{color:#fff}
#rk-quick{padding:6px;display:flex;flex-wrap:wrap;gap:4px;border-top:1px solid #eee}
#rk-quick button{border:1px solid #1f4e79;background:#fff;color:#1f4e79;border-radius:14px;padding:4px 9px;font-size:12px;cursor:pointer}
#rk-form{display:flex;border-top:1px solid #eee}
#rk-in{flex:1;border:0;padding:10px;font-size:14px}
#rk-form button{border:0;background:#1f4e79;color:#fff;padding:0 14px;cursor:pointer}