.chuxin-perf-video { position: relative; }
.chuxin-perf-video video { display: block; width: 100%; height: 100%; object-fit: contain; }
.chuxin-perf-play {
  position: absolute; inset: 0; margin: auto; width: 64px; height: 64px;
  display: grid; place-items: center; padding: 0 0 0 4px; border: 2px solid #fff;
  border-radius: 50%; background: rgba(0, 0, 0, .68); color: #fff; font-size: 28px;
  line-height: 1; cursor: pointer; box-shadow: 0 2px 12px rgba(0, 0, 0, .25);
}
.chuxin-perf-play:hover { background: #d61f26; color: #fff; }
.chuxin-perf-play:focus-visible { outline: 3px solid #fff; outline-offset: 5px; }
.chuxin-perf-play[hidden] { display: none; }
.chuxin-perf-fallback { position: absolute; inset: 0; display: grid; place-items: center; color: #fff; background: rgba(0, 0, 0, .65); }