* {
  padding: 0;
  margin: 0;
  border: 0;
  font-family: inherit;
  color: inherit;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}

body {
  font-family: "PingFang SC", "Microsoft Yahei UI", "Microsoft Yahei", "Helvetica", sans-serif;
  width: 100%;
  margin: 0 auto;
}

a {
  text-decoration: none;
}

table {
  border-collapse: collapse;
}

code,
kbd,
pre,
samp,
tt {
  font-family: "Courier New", Courier, monospace;
}

:focus,
:active {
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  outline: none;
}

::-webkit-scrollbar {
  z-index: 50;
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  border-bottom: 1px solid #eeeeee;
  border-right: 1px solid #eeeeee;
  background-color: rgba(0, 0, 0, 0);
}

::-webkit-scrollbar-thumb {
  -webkit-border-radius: 5px;
  -moz-border-radius: 5px;
  border-radius: 5px;
  background-color: #eee;
  transition: all 0.2s;
  height: 3px;
}

:hover::-webkit-scrollbar-thumb {
  background-color: #ccc;
  transition: all 0.2s;
}

::-webkit-scrollbar-button {
  display: none;
}

::-webkit-scrollbar-corner {
  display: none;
}

.unselectable, .operations .operation-item {
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

.btn-like {
  -webkit-transform: translateY(2px);
  -moz-transform: translateY(2px);
  -ms-transform: translateY(2px);
  -o-transform: translateY(2px);
  transform: translateY(2px);
  cursor: pointer;
}

.clock {
  background-color: black;
  width: 100%;
  height: 100%;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-flow: column nowrap;
  font-family: "JetBrains Mono";
}
.clock .time {
  font-weight: bold;
  font-size: 20rem;
  display: flex;
  justify-content: center;
  align-items: flex-end;
  flex-flow: row nowrap;
}
.clock .time .second {
  font-size: 60px;
  padding-bottom: 50px;
}
.clock .separator {
  padding: 0 30px;
}
.clock .date {
  font-weight: 200;
  font-size: 2rem;
}

.operations {
  position: absolute;
  left: 10px;
  bottom: 10px;
}
.operations .operation-item {
  text-align: center;
  padding: 3px 20px;
  -webkit-transform: translateY(2px);
  -moz-transform: translateY(2px);
  -ms-transform: translateY(2px);
  -o-transform: translateY(2px);
  transform: translateY(2px);
  cursor: pointer;
  -webkit-border-radius: 50px;
  -moz-border-radius: 50px;
  border-radius: 50px;
}
.operations .operation-item:hover {
  background-color: rgba(255, 255, 255, 0.2);
  color: #FF9500;
}

.help-info {
  font-family: "JetBrains Mono";
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(15px) saturate(180%);
  -webkit-backdrop-filter: blur(15px) saturate(180%);
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
  -o-transition: all 0.5s;
  transition: all 0.5s;
}
.help-info .info {
  font-size: 14px;
  color: white;
  -webkit-border-radius: 15px;
  -moz-border-radius: 15px;
  border-radius: 15px;
  padding: 30px;
  background-color: rgba(0, 0, 0, 0.5);
  text-shadow: 1px 1px 0 rgba(0, 0, 0, 0.3);
}
.help-info .info h3 {
  text-align: center;
  font-size: 18px;
  margin-bottom: 30px;
}
.help-info .info dl {
  padding: 5px 10px;
  width: 300px;
  display: flex;
  justify-content: space-between;
}
.help-info .info dl dt {
  font-weight: bold;
}
.help-info .info dl dt .tip {
  font-weight: normal;
}
.glass-blur {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  justify-content: center;
  align-items: center;
  backdrop-filter: blur(15px) saturate(180%);
  -webkit-backdrop-filter: blur(15px) saturate(180%);
}

.hide-pointer {
  cursor: none;
}