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

.box .box-header {
  display: flex;
  height: 35px;
  width: 100%;
  /*background: linear-gradient(90deg,#b2d9f5,#c2d8f4);*/
  background: linear-gradient(90deg, rgba(82, 197, 233, 0.411765) 0%, rgba(59, 221, 243, 0.12549) 35.99%, rgba(67, 219, 252, 0.00784314) 87.02%);
  box-shadow: inset 0px -2px 4px rgba(117, 185, 248, 0.52);
  border-bottom: 1px solid rgba(98, 156, 215, 0.05);
  position: relative;
}
.box .box-header .title {
  --w: 47px;
  display: flex;
  position: relative;
  height: 100%;
  padding-left: 5px;
  margin-left: var(--w);
  font-size: 18px;
  font-weight: 600;
  color: #094B88;
  align-items: center;
}
.box .box-header .title:before {
  content: "";
  position: absolute;
  left: calc(1px - var(--w));
  height: 100%;
  width: var(--w);
  background: url("/Content/Image/ExerciseV2/title_icon.svg") no-repeat;
  background-size: 100% 100%;
}

.box {
  width: 100%;
  position: relative;
  font-family: "Source Han Sans";
  background: none;
  display: flex;
  flex-direction: column;
}
.box .box-title {
  width: 100%;
  text-align: center;
  font-weight: 600;
  font-size: 38px;
  color: #fff;
  margin-top: 6px;
}
.box .box-body {
  margin: 10px 30px 40px;
  border: 2px solid #fff;
  border-radius: 5px;
}
.box .body-card {
  background: #e9f2fd;
  border-radius: 5px;
  padding: 10px;
  margin-bottom: 10px;
  display: flex;
  position: relative;
}

.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 .box-body {
  position: relative;
}
.box .box-body .body {
  padding: 10px;
  background: #d8e7f9;
  background: linear-gradient(174.54deg, rgba(204, 224, 248, 0.76) 0.23%, rgba(242, 249, 255, 0.76) 120.71%);
  display: flex;
  flex-direction: column;
}
.box .logs-box {
  width: 100%;
  display: flex;
  flex-direction: column;
}
.box .logs-box .log-box {
  display: flex;
  padding: 10px;
  background: rgba(255, 255, 255, 0.6);
  border-radius: 8px;
  margin: 5px 0;
  overflow: hidden;
}
.box .logs-box .log-box .content {
  width: 100%;
  display: flex;
  flex-direction: column;
  padding: 5px;
  padding-right: 15px;
}
.box .logs-box .log-box .content .title {
  font-weight: 600;
  color: #03AEBC;
  font-size: 14px;
}
.box .logs-box .log-box .content .text {
  color: #36536D;
}
.box .logs-box .log-box .btn-box {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 5px;
}
.box .logs-box .log-box .btn-box .btn {
  font-size: 14px;
  width: 90px;
}
.box .logs-box .log-box.send .btn {
  background: #DE5E5E;
}
.box .logs-box .empty {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  color: #36536D;
  font-size: 16px;
  opacity: 0.4;
}

.question {
  display: none;
}
.question button {
  --w: 80px;
  width: var(--w);
  height: var(--w);
  border-radius: var(--w);
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translateX(-50%) translateY(-50%);
  z-index: 5;
  color: #fff;
  border: none;
  outline: none;
}
.question button:hover {
  background-color: #bd2130;
}
.question button i {
  font-size: 40px;
}
.question button:not(:hover) {
  animation: 1s shine ease-in-out infinite;
}
.question button:not(:hover) i {
  animation: 1s flashing ease-in-out infinite;
}

.question-text {
  font-size: 16px;
  margin-bottom: 10px;
  font-weight: 600;
  color: var(--mc);
}

@keyframes shine {
  0% {
    filter: drop-shadow(0 0 12px #dc3545);
  }
  50% {
    filter: drop-shadow(0 0 12px #bd2130);
  }
  100% {
    filter: drop-shadow(0 0 12px #dc3545);
  }
}
@keyframes flashing {
  0% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.5;
    transform: scale(0.9);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}