html,
body {
  height: 100%;
  overflow: hidden;
  background-color: transparent;
}

.exercises {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* ===== 练习题型-头部 -start ===== */
.practice-head {
  background-color: #ffffff;
  border-radius: 10px;
  padding: 10px;
  flex-shrink: 0;
}

.practice-head .practice-type {
  width: 50px;
  height: 50px;
  background-color: #ee614f;
  border-radius: 10px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.practice-head .practice-type p {
  font-size: 14px;
  color: #ffffff;
}

.practice-head-2 {
  margin-left: 20px;
  display: flex;
  align-items: center;
  height: 100%;
  height: 50px;
}

.practice-head-2 h3 {
  line-height: 1;
  font-size: 22px;
  color: #333333;
  margin-right: 18px;
}

.practice-head-2 p {
  line-height: 1;
  font-size: 14px;
  color: #808080;
}

.practice-head-score {
  width: 50px;
  height: 50px;
}


.practice-head-date {
  line-height: 50px;
  font-size: 18px;
  color: #808080;
  margin-right: 20px;
}

/* ===== 练习题型-头部 -end ===== */


/* ===== 练习题型-主体 -start ===== */
.practice-main {
  height: 100%;
  overflow: hidden;
  margin-top: 10px;
  background-color: #ffffff;
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}


.practice-main .tips_head {
  position: relative;
  padding: 8px 10px;
  display: flex;
  align-items: start;
  margin: 20px 20px 0px 30px;
  border-radius: 4px;
  background-color: #f2f2fc;
}

.tips_head .tips_icon {
  position: absolute;
  width: 40px;
  height: 28px;
  background-color: #595bb2;
  border-radius: 6px;
  font-weight: Bold;
  font-size: 14px;
  letter-spacing: 0px;
  color: #ffffff;
  text-align: center;
  line-height: 28px;
  margin-right: 5px;
}

.tips_head .tips_text {
  display: inline-block;
  margin-top: 2px;
  text-indent: 46px;
  line-height: 24px;
}

.tips_head .tips_text.up {
  padding-right: 40px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  min-height: 24px;
}

.tips_head .fold_btn.up {
  position: absolute;
  right: 5px;
  top: 50%;
  transform: translateY(-50%);
  width: 24px;
  height: 24px;
  background-color: #595bb2;
  border-radius: 50%;
  background-image: url(/images//2021-10-18/LearningCenter/icon_open.png);
}

.tips_head .fold_btn.put {
  position: absolute;
  right: 5px;
  bottom: 0;
  transform: translateY(50%);
  width: 24px;
  height: 24px;
  background-color: #595bb2;
  border-radius: 50%;
  background-image: url(/images/2021-10-18/LearningCenter/icon_close.png);
}

.practice-main .practice-main_bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 30px;
  margin: 20px 0;
}

.practice-main .practice-main_bar .main_right {
  display: flex;
  align-items: center;
}

.practice-main .practice-main_bar .main_right .item {
  width: 80px;
  height: 36px;
  background-color: #f5f5fa;
  border-radius: 6px;
  font-size: 18px;
  letter-spacing: 0px;
  color: #595bb2;
  text-align: center;
  line-height: 36px;
  margin-right: 20px;
  cursor: pointer;
}

.practice-main .practice-main_bar .main_right .item.activate {
  background-color: #595bb2;
  color: #ffffff;
}

.practice-main .main-head {
  padding: 20px 20px 10px 30px;
  position: relative;
  min-height: 66px;
}

.practice-main .main-head::after {
  content: "";
  display: block;
  position: absolute;
  top: 0;
  left: 20px;
  right: 20px;
  height: 1px;
  background-color: #f2f2f2;
}


/* 机经分类 */
.classify_top {
  padding: 10px 20px;
}

.classify {
  display: flex;
  align-items: center;
  justify-content: space-between;

}

.class_list {
  display: flex;
}

.class_list .list_item {
  padding: 0 22px;
  height: 36px;
  line-height: 36px;
  background-color: #f5f5fa;
  border-radius: 6px;
  margin-right: 10px;
  font-size: 18px;
  letter-spacing: 0px;
  color: #595bb2;
  white-space: nowrap;
  cursor: pointer;
}

.class_list .list_item.activate {
  background-color: #595bb2;
  color: #ffffff;
}

/* 机经分类end */

/* 搜索 */
.practice-main .main-head-search {
  width: 300px;
  height: 36px;
  line-height: 36px;
  background-color: #f5f5fa;
  border-radius: 18px;
  padding-left: 65px;
  padding-right: 45px;
  position: relative;
  /* top: 20px;
    right: 20px; */
}

@media only screen and (max-width:1050px) {
  .practice-main .main-head-search {
    width: 240px;
  }
}

.practice-main .main-head-search .search-select {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 65px;
  text-align: center;
  user-select: none;
  cursor: pointer;
}

.practice-main .main-head-search .search-select .yt-select-val {
  font-size: 14px;
  color: #595bb2;
}

.practice-main .main-head-search .search-select .icon {
  display: inline-block;
  transform: rotate(180deg);
  width: 9px;
}

.practice-main .main-head-search .search-input {
  display: block;
  width: 100%;
  height: 100%;
  text-align: left;
  font-size: 14px;
  color: #333333;
}

.practice-main .main-head-search .search-input::placeholder {
  opacity: 0.5;
  color: #595bb2;
}

.practice-main .main-head-search .search-btn {
  display: block;
  width: 20px;
  height: 20px;
  position: absolute;
  top: 8px;
  right: 14px;
  user-select: none;
  cursor: pointer;
}

/* 筛选 */
.practice-main .mian-filter {
  font-size: 0;
  user-select: none;
  flex-shrink: 0;
}

.practice-main .mian-filter .filter-item {
  display: inline-block;
  vertical-align: middle;
  width: 100px;
  height: 36px;
  background-color: #f5f5fa;
  border-radius: 6px;
}

.practice-main .mian-filter .filter_isfull {
  position: relative;
}

.practice-main .mian-filter .filter_isfull::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  border-radius: 6px;
  animation: glitter 0.7s 2;
  pointer-events: none;
}

@keyframes glitter {
  from {
    border: 2px solid #5052a0;
    opacity: 0;
  }

  to {
    border: 2px solid #5052a0;
    opacity: 1;
  }
}

.practice-main .mian-filter .filter-item:not(:last-child) {
  margin-right: 20px;
}

@media only screen and (max-width:1150px) {
  .practice-main .mian-filter .filter-item:not(:last-child) {
    margin-right: 10px;
  }
}

@media only screen and (max-width:1110px) {
  .practice-main .mian-filter .filter-item {
    width: 90px;
  }
}

.practice-main .mian-filter .filter-item[disabled] {
  pointer-events: none;
}

.practice-main .mian-filter .filter-select {
  width: 100%;
  line-height: 36px;
  text-align: center;
  cursor: pointer;
  position: relative;
  white-space: nowrap;
}

.practice-main .mian-filter .filter-select .yt-select-val {
  display: inline-block;
  vertical-align: middle;
  font-size: 16px;
  color: #595bb2;
  opacity: 0.3;
}

.practice-main .mian-filter .filter-select .yt-select-val.selected {
  opacity: 1;
}

.practice-main .mian-filter .filter-collect .yt-select-val img {
  display: inline-block;
  vertical-align: middle;
  width: 15px;
  height: 20px;
}

.practice-main .mian-filter .filter-collect .yt-select-list .list-item img {
  display: inline-block;
  vertical-align: middle;
  width: 15px;
  height: 20px;
  pointer-events: none;
}

.practice-main .mian-filter .filter-collect .yt-select-list .list-item:hover {
  background-color: #595bb2;
}

.practice-main .mian-filter .filter-collect .yt-select-list .list-item.selected {
  background-color: #595bb2;
}

.practice-main .mian-filter .filter-collect .yt-select-list .list-item:first-child {
  background-color: transparent !important;
}

.practice-main .mian-filter .filter-item .icon {
  display: inline-block;
  vertical-align: middle;
  height: 16px;
  width: 12px;
  background-image: url("/pages/common/machine_classics_list/images/icon_menu_1.png");
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  opacity: 0.3;
  margin-left: 12px;
}

.practice-main .mian-filter .filter-item:hover .icon {
  opacity: 1;
}

.switch-list-btn {
  display: block;
  width: 300px;
  line-height: 36px;
  text-align: center;
  background-color: #f5f5fa;
  border-radius: 6px;
  margin: auto;
  margin-top: 10px;
  font-size: 0;
  cursor: pointer;
}

.switch-list-btn .text {
  vertical-align: middle;
  font-size: 16px;
  color: #595bb2;
}

.switch-list-btn .icon_img {
  display: inline-block;
  vertical-align: middle;
  margin-left: 10px;
  margin-top: -1px;
}


/* 题目列表 */
.practice-main .main-list {
  height: 100%;
  overflow-x: hidden;
  overflow-y: auto;
  padding: 0 10px 0 0;
  margin: 10px 5px 5px 20px;
}

.practice-main .main-list .empty_box {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
}

.practice-main .main-list .empty_box img {
  width: 240px;
}

.practice-main .main-list::-webkit-scrollbar {
  width: 4px;
}

.practice-main .main-list::-webkit-scrollbar-track {
  background: #ffffff;
  border-radius: 112px;
}

.practice-main .main-list::-webkit-scrollbar-thumb {
  background: #f2f2fc;
  border-radius: 10px;
}

/* .practice-main .main-list::-webkit-scrollbar-thumb:hover {
    background: #f2f2fc;
} */

.practice-main .main-list .list-item {
  width: 100%;
  padding: 10px 20px 10px 15px;
  overflow: hidden;
  border-radius: 4px;
  cursor: pointer;
  position: relative;
}

.practice-main .main-list .list-item.activate {
  background-color: rgba(230, 230, 250, 0.5);
  font-weight: bold;

}

.practice-main .main-list .list-item.activate .line_title {
  color: #595bb2;
}

.practice-main .main-list .list-item:hover {
  background-color: rgba(230, 230, 250, 0.5);
}

.practice-main .main-list .list-item .line_1 {
  line-height: 1.5;
  font-size: 14px;
  color: #333333;
}

.practice-main .main-list .list-item.readed .line_1 {
  color: #999999;
}

.practice-main .main-list .list-item.readed_1 .line_1 {
  color: #999999;
}

.practice-main .main-list .list-item .item_slug {
  display: inline-block;
  width: 40px;
  line-height: 20px;
  text-align: center;
  background-color: #f5f5fa;
  border-radius: 4px;
  font-size: 14px;
  color: #595bb2;
  margin-right: 5px;
}

.practice-main .main-list .list-item .item-hot {
  display: inline-block;
  vertical-align: middle;
  width: 14px;
  height: 14px;
  background-image: url("/images/collect/icon_newstar.png");
  background-position: center;
  background-repeat: no-repeat;
  background-size: 100% 100%;
  margin-left: 4px;
  margin-top: -2px;
}

.practice-main .main-list .list-item .item-hot:first-of-type {
  margin-left: 10px;
}

.practice-main .main-list .list-item .line_2 {
  margin-top: 5px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  text-align: left;
}

.practice-main .main-list .list-item .line_2 .img_icon {
  display: inline-flex;
}

.practice-main .main-list .list-item .line_3 {
  margin-top: 10px;
  color: #999999;
  font-size: 0;
}

.practice-main .main-list .list-item span {
  display: inline-block;
  vertical-align: middle;
  font-size: 14px;
  font-weight: bold;
}

.practice-main .main-list .list-item .line_3_icon {
  margin-left: 40px;
  width: 14px;
  height: 14px;
  background-image: url("/pages/common/machine_classics_list/images/icon_confirm.png");
  background-position: center;
  background-repeat: no-repeat;
  background-size: 100% 100%;
  margin-top: -2px;
}

.practice-main .main-list .list-item .line_3_val {
  margin-left: 10px;
}

.practice-main .main-list .list-item .item_status {
  font-size: 0;
  position: absolute;
  top: 10px;
  right: 20px;
  display: flex;
}

.practice-main .main-list .list-item .item_status span {
  display: inline-block;
  vertical-align: middle;
  margin-left: 5px;
  height: 20px;
  line-height: 20px;
  text-align: center;
  padding: 0 6px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: normal;
}

.practice-main .main-list .list-item .item_status_wk {
  color: #53a4f4;
  background-color: #c2e5ff;
}

.practice-main .main-list .list-item .item_status_wk img {
  display: inline-block;
  vertical-align: middle;
  height: 9px;
  margin-right: 3px;
  margin-top: -2px;
}

.practice-main .main-list .list-item .item_status_update {
  color: #ffffff;
  background-color: #bcd977;
}

.practice-main .main-list .list-item .item_status_num {
  margin: 0 5px;
}

.practice-main .main-list .list-item .item_status_num span {
  padding: 0 0px;
  font-size: 14px;
  letter-spacing: 0px;
  color: #595bb2;
}

.practice-main .main-list .list-item .item_status_new {
  color: #ffffff;
  background-color: #f97f46;
}

.practice-main .main-list .list-item .item_status_collect {
  display: inline-block;
  vertical-align: middle;
  height: 20px;
  width: 15px;
  margin-left: 5px;
  background-image: url("/pages/common/machine_classics_list/images/icon_cflag_gray.png");
  background-repeat: no-repeat;
  background-size: 100% 100%;
  background-position: center;
  border-radius: 0 !important;
}

.practice-main .main-list .list-item .item_status_collect[data-color="1"] {
  background-image: url("/images/collect/leftbar_collect_red.png");
}

.practice-main .main-list .list-item .item_status_collect[data-color="2"] {
  background-image: url("/images/collect/leftbar_collect_yellow.png");
}

.practice-main .main-list .list-item .item_status_collect[data-color="3"] {
  background-image: url("/images/collect/leftbar_collect_green.png");
}

.practice-main .main-list .list-item .item_status_collect[data-color="4"] {
  background-image: url("/images/collect/leftbar_collect_blue.png");
}


.practice-main .main-list .list_end {
  font-size: 14px;
  color: rgba(89, 91, 178, 0.5);
  text-align: center;
  line-height: 50px;
  margin-bottom: 20px;
}

/* ===== 练习题型-主体 -end ===== */


/* ------------------  select & 动画 --------- */
.yt-select {
  position: relative;
}

.yt-select-list {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: #f5f5fa;
  border-radius: 6px;
  padding: 5px 0;
  margin-top: 8px;
  z-index: 100;
}

.yt-select-list .list-item {
  line-height: 30px;
  text-align: center;
  font-size: 14px;
  color: #333333;
}

.yt-select-list .list-item:hover {
  color: #595bb2;
}

.yt-select-list .list-item.selected {
  color: #595bb2;
}


.yt-select-list {
  animation: anim_to_top 0.2s;
}

@keyframes anim_to_top {
  from {
    top: 150%;
  }

  to {
    top: 100%;
  }
}



/* ----------------------------- toast ----------------------------- */
.loading {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: none;
}

.loading-content {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  margin: auto;
  width: 80px;
  height: 80px;
  user-select: none;
}

.loading-content img {
  display: block;
  margin: auto;
}

.loading-content p {
  margin-top: 10px;
  text-align: center;
  color: #9e9e9e;
  font-size: 16px;
}

.toast {
  position: absolute;
  top: 10px;
  left: 0;
  right: 0;
  margin: 0 auto;
  width: max-content;
  min-width: 320px;
  padding: 0 10px;
  height: 50px;
  line-height: 50px;
  text-align: center;
  letter-spacing: 1px;
  background: rgba(51, 51, 51, 0.85);
  font-size: 16px;
  color: #ffffff;
  border-radius: 6px;
  transform: translateY(-70px);
  transition: transform 0.3s;
}

.toast.active {
  transform: translateY(0);
}