.fi-btn{position:fixed;bottom:24px;right:24px;width:56px;height:56px;border-radius:50%;background:#2e7d32;color:#fff;border:none;font-size:26px;cursor:pointer;z-index:9999;box-shadow:0 4px 16px rgba(0,0,0,.3);line-height:1}.fi-box{position:fixed;bottom:90px;right:24px;width:340px;height:480px;background:#fff;border-radius:16px;box-shadow:0 8px 32px rgba(0,0,0,.2);z-index:9999;display:none;flex-direction:column;overflow:hidden}.fi-box.open{display:flex}.fi-hdr{background:#2e7d32;color:#fff;padding:14px 16px;font-weight:700;font-size:15px;display:flex;justify-content:space-between;align-items:center}.fi-hdr span{cursor:pointer;font-size:20px;opacity:.8}.fi-msgs{flex:1;overflow-y:auto;padding:12px;display:flex;flex-direction:column;gap:8px}.fi-msg{max-width:82%;padding:9px 13px;border-radius:12px;font-size:14px;line-height:1.45}.fi-msg.bot{background:#f0f5f0;align-self:flex-start}.fi-msg.user{background:#2e7d32;color:#fff;align-self:flex-end}.fi-inp{display:flex;padding:10px;border-top:1px solid #eee;gap:8px}.fi-inp input{flex:1;border:1px solid #ddd;border-radius:20px;padding:8px 14px;font-size:14px;outline:none}.fi-inp input:focus{border-color:#2e7d32}.fi-inp button{background:#2e7d32;color:#fff;border:none;border-radius:20px;padding:8px 16px;cursor:pointer;font-size:14px}