body {
  --mc: #03AEBC;
  --tc: #36536D;
  --brc: #80BAEF;
  --bgc: #e9f2fd;
  --bg: rgba(255,255,255,0.4);
  font-family: "Source Han Sans";
}

.btn {
  margin: 5px auto;
  padding: 8px 20px;
  background: #03AEBC;
  border-radius: 8px;
  color: #DAEDFF;
  font-size: 16px;
}
.btn.btn-small {
  font-size: 14px;
  padding: 3px 12px;
  border-radius: 4px;
}
.btn:hover {
  background-image: linear-gradient(rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.1));
  border-color: rgba(0, 0, 0, 0.1);
  color: #DAEDFF;
  font-weight: 600;
}

.vb-btn {
  color: #176bbc;
  font-size: 14px;
  padding: 5px 10px;
  background-image: url("/Content/Image/ExerciseV2/btn.png");
  background-repeat: no-repeat;
  background-size: 100% 100%;
  font-weight: 600;
}
.vb-btn.active {
  color: #fff;
  background-image: url("/Content/Image/ExerciseV2/btn-active.png");
}

.form .form-control {
  background: var(--bgc);
  color: var(--tc);
  border-radius: 4px;
  border: 1px solid #b5cce2;
  font-size: 1rem;
}
.form .form-control:active, .form .form-control:focus {
  border: 1px solid var(--brc);
}

.select2-container {
  --h: 38px;
  font-size: 1rem;
}
.select2-container.select2-container--open .select2-selection--single {
  border-color: var(--brc);
}
.select2-container .select2-selection--single {
  border-radius: 4px !important;
  background: var(--bgc);
  border: 1px solid #b5cce2;
  height: var(--h);
  line-height: var(--h);
  color: var(--tc);
  padding: 0 15px;
}
.select2-container .select2-selection--single .select2-selection__rendered {
  color: inherit;
  margin: 0;
  padding: 0;
  line-height: var(--h);
  font-size: 1rem;
}
.select2-container .select2-selection--single .select2-selection__arrow {
  right: 8px;
  height: var(--h);
}
.select2-container .select2-dropdown {
  background: #fefefe;
  border: 1px solid #b5cce2;
  border-radius: 4px;
  margin-top: 2px;
}
.select2-container .select2-dropdown .select2-search {
  padding: 8px 10px;
}
.select2-container .select2-dropdown .select2-search .select2-search__field {
  border: 1px solid var(--brc);
  background: var(--bgc);
  color: var(--tc);
  border-radius: 4px;
}
.select2-container .select2-dropdown .select2-results .select2-results__option {
  color: var(--tc);
}
.select2-container .select2-dropdown .select2-results .select2-results__option.select2-results__option--highlighted {
  background: #e7edf4;
}
.select2-container .select2-dropdown .select2-results .select2-results__option.select2-results__option[aria-selected=true] {
  background: #ecf3fc;
  font-weight: 600;
}

.box {
  width: 100%;
  position: relative;
  font-family: "Source Han Sans";
  background: none;
}
.box .body {
  width: 100%;
  height: calc(100vh - 100px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.box .body .icon {
  --w: 240px;
  width: var(--w);
  height: var(--w);
  position: relative;
  margin-bottom: 50px;
  background: url("/Content/Image/ExerciseV2/timer_1.png") no-repeat 100%/100%;
}
.box .body .icon:after {
  content: "";
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  width: var(--w);
  height: var(--w);
  background: url("/Content/Image/ExerciseV2/timer_2.png") no-repeat 100%/100%;
  animation: spin 4s linear infinite;
}
.box .body .icon .ico {
  position: absolute;
  width: 90px;
  height: 90px;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
.box .body .name {
  font-weight: 500;
  font-size: 40px;
  display: flex;
  color: #094B88;
  letter-spacing: 5px;
  padding-left: 5px;
  margin-bottom: 20px;
}
.box .body .group {
  width: 150px;
  padding: 8px;
  text-align: center;
  font-size: 18px;
  color: #fff;
  background: #094B88;
  letter-spacing: 2px;
  opacity: 0.6;
  border-radius: 40px;
}
.box.public .title {
  letter-spacing: 5px;
  padding-left: 5px;
}
.box.public .body .icon {
  --w: 300px;
}
.box.public .body .icon .ico {
  width: 120px;
  height: 120px;
}
.box.public .body .name {
  font-size: 90px;
  letter-spacing: 10px;
  padding-left: 10px;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  50% {
    transform: rotate(180deg);
  }
  100% {
    transform: rotate(360deg);
  }
}