@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500&family=Noto+Serif+SC:wght@400&family=Saira&display=swap");
body {
  font-family: "Saira", "Noto Sans SC", sans-serif;
  -webkit-font-smoothing: antialiased;
  background-image: url(https://liyanqwq.github.io/jiaran-emulator/assets/20200724082425.jpg);
  background-color: #fff;
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
  background-attachment: fixed;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  margin: 0;
}

a {
  text-decoration: none;
  color: inherit;
}

.bg-overlay {
  position: fixed;
  left: 0;
  top: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(1.6px) brightness(108%) hue-rotate(15deg);
  z-index: -1;
}

.app-main {
  width: 67vw;
}
.app-main .mdui-card {
  margin: 1em auto 1em;
  background-color: rgba(255, 255, 255, 0.48);
  border-radius: 0.72em;
  backdrop-filter: blur(3.2px);
}
.app-main #app-form-card .mdui-card-content {
  padding-top: 0;
}

.app-main #app-result-card .mdui-card-content {
  font-family: "Noto Serif SC", serif;
}

.app-main #app-result-card .mdui-card-content #app-result {
  user-select: all;
}

.app-main .mdui-btn {
  opacity: 92%;
}

.app-main footer {
  text-align: center;
  color: rgba(0, 0, 0, 0.6);
  line-height: 1.2em;
  font-size: 0.96em;
  margin-top: 0.8em;
}

@media only screen and (max-width: 768px) {
  .app-main {
    width: 96vw;
  }
}