正面模板内容：

<video id="video" poster="{{Id}}.jpg" playsinline onclick="playVideo();return false;" controlsList="nodownload" disablepictureinpicture disableRemotePlayback>
  <source src="{{Id}}.mp4" type="video/mp4">
  <source src="{{Id}}.webm" type="video/webm">
</video>

<div class="media-controls">
  <a class="replay-button" href="#" onclick="playVideo();return false;"></a>
  <div class="speed-control">
    <label for="speed">Speed: </label>
    <select id="speed">
      <option value="0.5">0.5x</option>
      <option value="1" selected>1x</option>
      <option value="1.5">1.5x</option>
      <option value="2">2x</option>
    </select>
  </div>
</div>

<div class="snapshot" hidden>{{Snapshot}}</div>

<script>
var video = document.getElementById('video');
var error = false;
var autoplay = true;

function playVideo() {
  if (error) {
    if (typeof pycmd !== 'undefined') {
      pycmd("ankiplay{{Id}}.mp4");
    }
  } else {
    video.currentTime = 0;
    video.play();
  }
}

document.getElementById('speed').addEventListener('change', function() {
  video.playbackRate = this.value;
});

if (!globalThis.jsReplayButtonHandler) {
  document.addEventListener("keyup", (event) => {
    if (event.code === "KeyR") {
      playVideo();
    }
  });
  globalThis.jsReplayButtonHandler = true;
}

onUpdateHook.push(function () {
  if (document.querySelector("#answer")) {
    autoplay = false;
  }

  let source = document.querySelector('video source:last-child');
  source.addEventListener('error', () => {
    error = true;
    if (autoplay) {
      playVideo();
    }
  });

  if (autoplay) {
    playVideo();
  }
})();
</script>

背面模板内容：
{{FrontSide}}

<hr id=answer>

<div class="expression">{{Expression}}</div>

{{#Meaning}}
<div class="meaning">{{Meaning}}</div>
{{/Meaning}}

{{#Notes}}
<div class="notes">{{Notes}}</div>
{{/Notes}}

<div class="media">{{play:Audio}}</div>

样式：

.card {
  font-family: 'Arial', sans-serif;
  font-size: 18px;
  text-align: center;
  color: #2e2e2e;
  background-color: #eef2f3;
  border-radius: 15px;
  box-shadow: 0px 4px 15px rgba(0, 0, 0, 0.1);
  padding: 20px;
  margin: 20px;
  transition: transform 0.3s, background-color 0.3s;
}

.card:hover {
  transform: translateY(-5px);
  background-color: #e0e6e9;
}

.expression {
  font-size: 22px;
  margin-top: 15px;
  margin-bottom: 10px;
  font-weight: bold;
  color: #1a5631;
}

.meaning {
  font-size: 18px;
  color: #388e3c;
  margin-bottom: 15px;
}

.nightMode .meaning {
  color: #81c784;
}

.notes {
  font-size: 16px;
  color: #6d6d6d;
  margin-bottom: 15px;
}

.snapshot {
  margin-bottom: 15px;
  color: #388e3c;
}

img {
  vertical-align: bottom;
  margin: auto;
  max-width: 100%;
  height: auto;
  border-radius: 15px;
  box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.2);
}

.media {
  margin: 10px 0;
}

.media-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 20px 0;
}

hr#answer {
  margin-top: 20px;
  margin-bottom: 20px;
  height: 1px;
  background-color: #c7c7c7;
  border: none;
}

.replay-button {
  height: 40px;
  width: 40px;
  outline: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  content: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' class='playImage' viewBox='0 0 64 64' width='40px' height='40px' version='1.1'%3E%3Ccircle fill='%23ffffff' stroke='%232e2e2e' cx='32' cy='32' r='29'%3E%3C/circle%3E%3Cpath fill='%232e2e2e' d='M56.502,32.301l-37.502,20.101l0.329,-40.804l37.173,20.703Z'%3E%3C/path%3E%3C/svg%3E");
  transition: transform 0.2s;
  margin-right: 15px;
}

.replay-button:hover {
  transform: scale(1.1);
}

.nightMode .replay-button {
  filter: invert(85%);
}

video, audio {
  display: block;
  max-width: 100%;
  margin: auto;
  border-radius: 15px;
  box-shadow: 0px 4px 15px rgba(0, 0, 0, 0.1);
  transition: box-shadow 0.3s;
}

video:hover, audio:hover {
  box-shadow: 0px 6px 20px rgba(0, 0, 0, 0.2);
}

.speed-control {
  display: flex;
  align-items: center;
}

.speed-control label {
  margin-right: 5px;
  font-size: 16px;
}

.speed-control select {
  font-size: 16px;
  padding: 5px;
  border: 1px solid #b2d8b2;
  border-radius: 5px;
  background-color: #ffffff;
  color: #2e2e2e;
  transition: background-color 0.3s, color 0.3s;
}

.speed-control select:focus {
  background-color: #e8f5e9;
  color: #2e2e2e;
}

.nightMode .speed-control select {
  color: #ffffff;
  background-color: #4caf50;
  border: 1px solid #81c784;
}

.nightMode .speed-control select:focus {
  background-color: #388e3c;
  color: #ffffff;
}

.mobile body, .mobile #content {
  margin: 0;
  padding: 0;
}

.mobile .expression,
.mobile .meaning,
.mobile .notes {
  margin-left: 10px;
  margin-right: 10px;
}