<div class="figures">
  <figure>
    <img src="https://picsum.photos/800/600?random=2" alt="">
  </figure>
  <figure>
    <img src="https://picsum.photos/800/600?random=3" alt="">
  </figure>
  <figure>
    <img src="https://picsum.photos/800/600?random=4" alt="">
  </figure>
  <figure>
    <img src="https://picsum.photos/800/600?random=5" alt="">
  </figure>
  <figure>
    <img src="https://picsum.photos/800/600?random=6" alt="">
  </figure>
  <figure>
    <img src="https://picsum.photos/800/600?random=7" alt="">
  </figure>
</div>

<div class="alert">
  <p>您的浏览器暂时还不支持CSS的<code>:has</code>选择器。请使用 Safari 15.4 或 Chrome Canary 最新版本查看(^_^)!</p>
</div>

@import url("https://fonts.googleapis.com/css2?family=Exo:wght@600&display=swap");

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  width: 100vw;
  min-height: 100vh;
  font-family: "Exo", Arial, sans-serif;
  background-color: #557;
  display: grid;
  place-content: center;
  gap: 20px;
  padding: 80px 20px 20px;
}

img {
  max-width: 100%;
  height: auto;
  object-position: center;
  obejct-fit: cover;
}

.figures {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(min(240px, 100%), 1fr));
  transition: all 0.2s ease;
}

figure {
  display: flex;
  justify-center: center;
  align-items: center;
  border-radius: 0.5rem;
  box-shadow: 0 0.25rem 0.5rem -0.15rem hsla(0 0% 0% / 55%);
  background-color: #fff;
  background-image: linear-gradient(
    135deg,
    rgb(240, 105, 102),
    rgb(250, 214, 166)
  );
  margin: 0;
  aspect-ratio: 16 / 9;
  transition: all 0.2s ease;
  cursor: pointer;
}

figure > img {
  border-radius: 0.5rem;
}

.figures:has(figure:hover) figure:not(:hover) {
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3), 0 6px 20px rgba(0, 0, 0, 0.15);
  z-index: 1;
  position: relative;
  background: inherit;
  transition: all 0.2s ease;
}

.figures:has(figure:hover) figure:not(:hover)::before {
  content: "";
  position: absolute;
  background: rgba(255, 255, 255, 0.25);
  box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
  backdrop-filter: blur(4px);
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  z-index: 2;
  inset: 0;
  transition: all 0.2s ease;
}

.alert {
  display: flex;
  justify-content: center;
  position: fixed;
  padding: 1rem;
  background-color: #ffeeee;
  font-size: 0.75rem;
  top: 0;
  left: 0;
  right: 0;
  color: red;
}

.alert code {
  display: inline-flex;
  padding: 0.25em 0.5em;
  font-weight: bold;
  background-color: #3f51b5;
  color: #fff;
  border-radius: 3px;
  margin: 0 5px;
}

@supports selector(:has(works)) {
  .alert {
    display: none;
  }

  body {
    padding: 20px;
  }
}