新版ha的毛玻璃特效该怎么写

alabo

代码如下，添加什么才能在alue: 'off'的时候背景毛玻璃化？
type: custom:button-card
entity: switch.b460edce41a0_outlet
name: 主卧插座
icon: mdi:power-socket-us
custom_fields:
  power: |
    [[[
      return `<ha-icon
      icon="mdi:power-plug-outline"
      style="width: 25px; height: 30px; color: red;">
      </ha-icon><span>${states['sensor.b460edce41a0_power'].state}W</span>`
    ]]]
show_state: true
tap_action:
  action: toggle
state:
  - value: 'on'
    color: rgb(103 57 182)
  - value: 'off'
    styles:
      card:
        - filter: opacity(70%)
      icon:
        - filter: grayscale(50%)
styles:
  card:
    - width: 180px
    - height: 180px
  icon:
    - width: 80px
    - height: 80px
    - top: 15%
    - left: 15%
  name:
    - justify-self: start
    - padding-left: 25px
    - font-weight: bold
    - text-transform: lowercase
  state:
    - justify-self: start
    - padding-left: 50px
style: |
  ha-card:hover {
    transform: scale(1.1);
  }