.lightbox {
  width: min(94vw, 1500px);
  max-width: none;
  box-shadow: rgb(6 12 32 / 0.4) 0 35px 120px;
  padding: 42px 20px 20px;
  border-width: 0;
  border-style: none;
  border-color: currentcolor;
  border-image: none;
  border-radius: 18px;
  background: rgb(247 248 252 / 0.98);
}

.lightbox::backdrop {
  background: rgb(7 11 25 / .78);
  backdrop-filter: blur(8px);
}

/* IE 等浏览器下的 polyfill 遮罩 */
.lightbox + .backdrop {
  background: rgb(7 11 25 / .78);
}

.lightbox img {
  display: block;
  max-width: 100%;
  max-height: 86vh;
  margin: auto;
  border-radius: 10px;
}

.lightbox-close {
  position: absolute;
  top: 7px;
  right: 12px;
  width: 34px;
  height: 34px;
  border: 0;
  color: #303642;
  background: transparent;
  font-size: 28px;
  line-height: 1;
  outline: none;
  cursor: pointer;
}

@media (max-width: 600px) {
  .lightbox {
    width: 96vw;
    padding: 40px 8px 8px;
  }
}