/* 最小1500宽 */

.teaching-tools {
  width: 1400px;
  margin: 0 auto;
}

.teaching-tools-box {
  display: flex;
  justify-content: flex-start;
  gap: 40px;
  
}
.teaching-tools-box .teaching-tools-box-left {
  border: 2px solid #52c79b;
  border-top: 6px solid #3ebf90;
  border-top-left-radius: 6px;
  border-top-right-radius: 6px;
  flex: 1;
  background: #fff;
  height: 620px;
}
.teaching-tools-box .teaching-tools-box-left .ClassInfo {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  background: #fff;
  height: 150px;
  border-bottom: 1px solid #ccc;
  padding: 0 15px;
}

.teaching-tools-box .teaching-tools-box-left .ClassInfo .touxiang {
   height: 100px;
   overflow: hidden;
   border: 1px solid #52c79b;
}

.teaching-tools-box .teaching-tools-box-left .ClassInfo .touxiang img {
  width: 100px;
 
}

.teaching-tools-box .teaching-tools-box-left .ClassInfo .touxiang img:hover {
  transform: scale(1.1);
}

.teaching-tools-box .teaching-tools-box-left .ClassInfo .data {
  width: 150px;
  text-align: left; 
  font-size: 18px;
  margin-top: 10px;
  padding-bottom: 30px;
  font-family: "黑体";
}

.teaching-tools-box .teaching-tools-box-left .list {
  background: #fff;
  /* 一行三个li */
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  margin-top: 15px;
}

.teaching-tools-box .teaching-tools-box-left .list li {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 33.33%;
  height: 80px;
  text-align: center;
  margin-top: 15px;

  /* height: 40px;
  line-height: 40px;
  padding-left: 50px;
  font-size: 16px;
  font-weight: 700; */
}

.teaching-tools-box .teaching-tools-box-left .list li a {
  display: block;
  color: #000;
  font-size: 16px;
  text-decoration: none;
}

.teaching-tools-box .teaching-tools-box-left .list li a p{
  margin-top: 5px;
  text-indent: 0;
}

.teaching-tools-box .teaching-tools-box-left .list li.pitchOn a p {
  color: #219653;
  font-weight: 700;
}
.teaching-tools-box .teaching-tools-box-right {
  width: 1050px;
  background: #fff;
  border-top-left-radius: 6px;
  border-top-right-radius: 6px;

}

/* 分辨率最高1500 */
@media screen and (max-width: 1500px) {
  .teaching-tools {
    width: 1200px;
    margin: 0 auto;
  }

  .teaching-tools-box .teaching-tools-box-right {
    width: 850px;
    background: #fff;

  }
}

.table tbody tr td{
  padding: 10px 0;
}


/* 改进的Bootstrap表格样式 */
.table {
  background-color: #fff;
  border-collapse: separate;
  border-spacing: 0;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.table thead th {
  background: linear-gradient(to bottom, #f8f9fa, #e9ecef);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 2px solid #dee2e6;
  padding: 15px 10px;
  font-size: 14px;
}

.table tbody tr td {
  padding: 15px 10px;
  vertical-align: middle;
  border-top: 1px solid #dee2e6;
  transition: all 0.2s ease;
}

.table tbody tr:hover td {
  background-color: #f8f9fa;
  transform: scale(1.01);
}

.table tbody tr:nth-child(even) {
  background-color: #fdfdfd;
}

.table tbody tr:nth-child(odd) {
  background-color: #ffffff;
}

/* 响应式优化 */
@media screen and (max-width: 768px) {
  .table thead th,
  .table tbody tr td {
    padding: 10px 8px;
    font-size: 14px;
  }
}

/* 悬停效果增强 */
.table tbody tr td:hover {
  background-color: #e9f7fe;
  cursor: pointer;
}

/* 边框圆角处理 */
.table:first-child {
  border-top-left-radius: 8px;
  border-top-right-radius: 8px;
}

.table:last-child {
  border-bottom-left-radius: 8px;
  border-bottom-right-radius: 8px;
}



/* 绿色主题分页样式 */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 30px 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.pagination span {
  display: inline-block;
  margin: 0 3px;
}

.pagination a,
.pagination .current {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

.pagination a {
  color: #555;
  background-color: #fff;
  border: 2px solid #eee;
}

.pagination a:hover {
  background: linear-gradient(135deg, #56ab2f, #a8e063);
  color: white;
  border-color: transparent;
  transform: translateY(-3px);
  box-shadow: 0 6px 12px rgba(86, 171, 47, 0.3);
}

.pagination .current {
  background: linear-gradient(135deg, #2ecc71, #27ae60);
  color: white;
  box-shadow: 0 6px 12px rgba(46, 204, 113, 0.3);
  border: 2px solid transparent;
}

.pagination .page a {
  width: 42px;
  height: 42px;
}

.pagination .next a,
.pagination .last a,
.pagination .prev a,
.pagination .first a {
  width: 42px;
  height: 42px;
  background-color: #f8f9fa;
  color: #27ae60;
  font-weight: bold;
}

.pagination .next a:hover,
.pagination .last a:hover,
.pagination .prev a:hover,
.pagination .first a:hover {
  background: linear-gradient(135deg, #2ecc71, #27ae60);
  color: white;
}

/* 响应式设计 */
@media screen and (max-width: 768px) {
  .pagination {
    margin: 25px 0;
  }
  
  .pagination a,
  .pagination .current {
    width: 36px;
    height: 36px;
    font-size: 14px;
  }
  
  .pagination span {
    margin: 0 2px;
  }
}

@media screen and (max-width: 480px) {
  .pagination {
    margin: 20px 0;
    flex-wrap: wrap;
  }
  
  .pagination a,
  .pagination .current {
    width: 32px;
    height: 32px;
    font-size: 13px;
    margin: 3px 1px;
  }
}

/* 特殊效果 */
.pagination a,
.pagination .current {
  position: relative;
  z-index: 1;
}

.pagination a::before,
.pagination .current::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  z-index: -1;
  opacity: 0;
  transform: scale(0.8);
  transition: all 0.3s ease;
}

.pagination a:hover::before {
  opacity: 1;
  transform: scale(1.2);
  background: rgba(46, 204, 113, 0.1);
}





/* 美化表单样式 */
.teaching-tools-box-right .form-inline {
  background: linear-gradient(135deg, #f8f9fa, #e9ecef);
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  margin-bottom: 25px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 15px;
}

/* .teaching-tools-box-right .form-group {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 0;
} */

.teaching-tools-box-right .form-control {
  border: 2px solid #e1e5e9;
  border-radius: 6px;
  padding: 10px 15px;
  font-size: 14px;
  transition: all 0.3s ease;
  background-color: #fff;
  min-height: 42px;
}

.teaching-tools-box-right .form-control:focus {
  border-color: #2ecc71;
  box-shadow: 0 0 0 3px rgba(46, 204, 113, 0.2);
  outline: none;
}

.teaching-tools-box-right .form-control option {
  padding: 10px;
}

/* 美化下拉选择框 */


.teaching-tools-box-right .form-control {
  appearance: none;
  /* background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23333' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e"); */
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 1em;
  padding-right: 35px;
}

.teaching-tools-box-right select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23333' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 1em;
  padding-right: 35px;
}


/* 查询按钮样式 */
.teaching-tools-box-right .btn-default {
  background: linear-gradient(135deg, #2ecc71, #27ae60);
  color: white;
  border: none;
  border-radius: 6px;
  padding: 10px 25px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 10px rgba(46, 204, 113, 0.3);
  min-height: 42px;
}

.teaching-tools-box-right .btn-default:hover {
  background: linear-gradient(135deg, #27ae60, #219653);
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(46, 204, 113, 0.4);
}

.teaching-tools-box-right .btn-default:active {
  transform: translateY(0);
}

/* 隐藏输入框 */
/* #startTime,
.start_time {
  display: none !important;
} */

/* 响应式设计 */
@media screen and (max-width: 768px) {
 .teaching-tools-box-right  .form-inline {
    flex-direction: column;
    align-items: stretch;
    padding: 15px;
  }
  
 .teaching-tools-box-right  .form-group {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }
  
 .teaching-tools-box-right  .form-control {
    width: 100%;
    padding: 12px 15px;
  }
  
 .teaching-tools-box-right  .btn-default {
    width: 100%;
    padding: 12px;
  }
}

@media screen and (min-width: 769px) and (max-width: 992px) {
 .teaching-tools-box-right  .form-inline {
    gap: 12px;
  }
  
 .teaching-tools-box-right  .form-control {
    padding: 8px 12px;
    min-height: 40px;
  }
  
 .teaching-tools-box-right  .btn-default {
    padding: 8px 20px;
    min-height: 40px;
  }
}



/* 教学工具首页 */

.toolsIndex-background{
  background: url(../images/202512/bookCode_bg.png) no-repeat center;
  background-size: cover;
  padding: 160px 0 100px 0;
  
}

.toolsIndex{
  max-width: 1400px;
  margin: 0 auto;
}

.toolsIndex-top-box{
  background: rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 50px;
  border-radius: 14px;
}

.toolsIndex-top-box-left{
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 20px;
}

.toolsIndex-top-box-left-avait{
  width: 100px;
  height: 100px;
  overflow: hidden;
  border-radius: 50%;
  border: 1px solid rgba(0, 0, 0, 0.1);
}

.toolsIndex-top-box-left-avait img{
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.toolsIndex-top-box-left-data{
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;

}
.toolsIndex-top-box-left-data .class-title{
  font-size: 20px;
  font-weight: 700;
}
.toolsIndex-top-box-left-data .class-telmail{
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 20px;
  margin-top: 10px;
}

.toolsIndex-top-box-left-data .class-telmail > div{
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 2px;
}

.toolsIndex-top-box-right > div > a{
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 5px;
  font-size: 16px;
  margin: 5px 0;
  color: #2f3333;
  text-decoration: none;
  padding: 3px 6px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.toolsIndex-top-box-right > div > a:hover{
  border: 1px solid #11d8ae;
  border-radius: 6px;
  background: linear-gradient(135deg, #c4fef3, #55dfc1);
}



.toolsIndex-top-box-right > div > a i{
  font-size: 20px;
}


.content1-box{
  display: flex;
  justify-content: space-between;
  gap: 40px;
  margin-top: 45px;
}


.content1-box .content1-list{
  flex: 1;
  position: relative;
}

.content1-box .content1-list a{
   color: #000;
}
.content1-box .content1-list .title{
  position: absolute;
  left: 30px;
  bottom: 30px;
  font-size: 16px;
}

.content2-box{
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 45px;
}

.content2-box .content2-list{
  flex: 1;
  position: relative;
}

.content2-box  .content2-list > a{
  background: rgba(255, 255, 255, 0.9);
  display: block;
  padding: 20px;
  border-radius: 10px;
  text-decoration: none;
}

.content2-box  .content2-list > a:hover{
  background: linear-gradient(135deg, #c9fcf2, #7ae7cf);
}
.content2-box  .content2-list > a > div{
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #333333;
}

.content2-box  .content2-list > a > div .content2-list-right{
  display: flex;
  align-items: center;
  justify-content: flex-start;
  font-size: 20px;
}

.content2-box  .content2-list > a > div .content2-list-right i{
  font-size: 30px;
}

.content2-box  .content2-list > a > div .content2-list-left-title{
  font-size: 20px;
  font-weight: 700;
}

.content2-box  .content2-list > a > div .content2-list-left-data{
  font-size: 14px;
  margin-top: 5px;
  color: #686868;
}

.content3-box {
  display: flex;
  justify-content: space-between;
  margin-top: 45px;
}

.content3-student-box{
   display: flex;
    justify-content: space-between;
    margin-top: 45px;
}

.content3-student-box > div:nth-child(1){
  flex:1;
}

.content3-student-box > div:nth-child(2){
  flex:1;
  border-right: none;
}

.content3-list {
  padding: 20px;
  box-sizing: border-box;
  min-height: 200px;
}

.content3-list:nth-child(1) {
  flex: 1.2; /* 左侧div占比1.2 */
  padding-left: 0;
}

.content3-list:nth-child(2) {
  flex: 0.8; /* 中间div占比0.6 */
  border-left: 1px solid #8e8c8c;
  border-right: 1px solid #8e8c8c;
}

.content3-list:nth-child(3) {
  flex: 1; /* 右侧div占比1.2 */
  padding-right: 0;
}


.content3-list .content3-list-title{
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.content3-list .content3-list-title div:nth-child(1){
  font-size: 20px;
  font-weight: 700;
}

.content3-list .content3-list-title div:nth-child(2) a{
  font-size: 12px;
  color: #676968;
}

.content3-list-content-list{
  border-bottom: 1px solid #ccc;
  padding: 10px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.content3-list-content-list > .content3-list-content-list-left > div{
  margin: 10px 0;
}
.content3-list-content-list > .content3-list-content-list-left > div:nth-child(1){
  font-size: 14px;
}
.content3-list-content-list > .content3-list-content-list-left > div:nth-child(1) > span{
  margin-left: 10px;
}
.content3-list-content-list > .content3-list-content-list-left > div:nth-child(2){
  font-size: 12px;
}
.content3-list-content-list > .content3-list-content-list-left > div:nth-child(2) > span{
  margin:0 5px;
}
.content3-list-content-list:last-child{
  border-bottom: none;
}




/* 图表样式 */
.chart-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

/* 优化后的柱状图样式 */
.bar-chart {
    display: flex;
    justify-content: space-between;
    height: 200px;
    margin-bottom: 15px;
    position: relative;
}

.bar {
    width: 40px;
    border-radius: 4px;
    transition: all 0.3s ease;
    /* 使用底部对齐 */
    align-self: flex-end;
    /* 添加渐变色 */
    background: linear-gradient(180deg, #52c79b, #3ebf90);
}

.bar:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 8px rgba(82, 199, 155, 0.3);
}

/* 图表坐标轴 */
.chart-axis {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: #e0e0e0;
}

.chart-grid {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.chart-grid .grid-line {
    position: absolute;
    left: 0;
    right: 0;
    height: 1px;
    background: #e0e0e0;
    opacity: 0.3;
}

.chart-grid .grid-label {
    position: absolute;
    bottom: -15px;
    font-size: 12px;
    color: #666;
    text-align: center;
}

/* 更新图表标题和图例 */
.chart-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

.chart-legend {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: #666;
}

.donut-chart {
    position: relative;
    width: 200px;
    height: 200px;
    margin: 0 auto;
}

.donut-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 24px;
    font-weight: 600;
    color: #52c79b;
    text-align: center;
}

.donut-ring {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    position: relative;
    border: 10px solid #e0e0e0;
    border-top: 10px solid transparent;
    border-left: 10px solid transparent;
    box-shadow: inset 0 0 0 10px #fff;
}

.donut-progress {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 20px solid transparent;
    border-top: 20px solid #52c79b;
    border-left: 20px solid #52c79b;
    transform-origin: center;
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 5px;
}

.legend-color {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}



/* 图书目录美化样式 */
.bookType1 {
    width: 100%;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    margin-bottom: 30px;
}

.bookType1 .left {
    width: 100%;
}

.bookType1 .list {
    list-style: none;
    padding: 0;
    margin: 0;
    position: relative;
}

.bookType1 .list li {
    position: relative;
    padding: 12px 20px;
    border-bottom: 1px solid #e0e0e0;
    transition: all 0.3s ease;
    cursor: pointer;
    font-size: 16px;
    color: #333;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.bookType1 .list li:hover {
    background-color: #eef7ff;
    transform: translateX(5px);
    border-left: 4px solid #52c79b;
    box-shadow: 0 2px 8px rgba(82, 199, 155, 0.1);
}

.bookType1 .list li:last-child {
    border-bottom: none;
}

.bookType1 .list li span {
    font-weight: 500;
    color: #333;
    transition: all 0.3s ease;
}

.bookType1 .list li:hover span {
    color: #52c79b;
}

.bookType1 .list li .icon {
    width: 16px;
    height: 16px;
    margin-right: 10px;
    opacity: 0.6;
    transition: all 0.3s ease;
}

.bookType1 .list li:hover .icon {
    opacity: 1;
    transform: scale(1.1);
}

.bookType1 .list li .arrow {
    width: 12px;
    height: 12px;
    background: url("../images/arrow-down.png") no-repeat center;
    background-size: contain;
    opacity: 0.6;
    transition: all 0.3s ease;
}

.bookType1 .list li:hover .arrow {
    opacity: 1;
    transform: rotate(180deg);
}

/* 激活状态 */
.bookType1 .list li.active {
    background-color: #eef7ff;
    border-left: 4px solid #52c79b;
    color: #52c79b;
    font-weight: 600;
}

.bookType1 .list li.active .icon {
    opacity: 1;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .bookType1 {
        padding: 15px;
        border-radius: 8px;
    }
    
    .bookType1 .list li {
        padding: 10px 15px;
        font-size: 14px;
    }
}

/* 添加动画效果 */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.bookType1 .list li {
    animation: fadeIn 0.5s ease forwards;
}

.no-data {
    text-align: center;
    padding: 40px 20px;
    color: #999;
    font-size: 14px;
    min-height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.no-data:hover {
    opacity: 1;
}


.back a {
    display: flex;
    align-items: center;
    cursor: pointer;
    padding: 10px 15px;
    border-radius: 4px;
    transition: background-color 0.3s ease;
    color: #333;
    font-size: 14px;
    width: fit-content;
    text-decoration: none;
}



.back i {
    margin-right: 8px;
    font-size: 16px;
}



.headPc .login_user {
  position: relative;
}
.headPc .login_user .user_img img {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  object-fit: cover;
}
.headPc .login_user .user_box {
  border-radius: 10px;
  background: #fff;
  box-shadow: 0px 0px 15px 0px rgba(0, 0, 0, 0.1);
  position: absolute;
  top: 100%;
  right: 0;
  width: 252px;
  z-index: 99;
  overflow: hidden;
  visibility: hidden;
  opacity: 0;
  transition: all 0.3s;
}
.headPc .login_user:hover .user_box {
  opacity: 1;
  visibility: inherit;
}
.headPc .login_user .user_box .btop {
  padding: 18px;
  display: flex;
  align-items: center;
  background: linear-gradient(90deg, #d3f1fa 0%, #9ddef5 100%);
}
.headPc .login_user .user_box .btop_img img {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  object-fit: cover;
}
.headPc .login_user .user_box .btop_text {
  margin-left: 12px;
}
.headPc .login_user .user_box .btop_text h2 {
  color: #333;
  font-family: "Source Han Sans CN";
  font-size: 16px;
  font-style: normal;
  font-weight: 500;
  line-height: normal;
}
.headPc .login_user .user_box .btop_text p {
  color: #999;
  font-family: "Source Han Sans CN";
  font-size: 12px;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
}
.headPc .login_user .bcent {
  padding: 12px 18px;
}
.headPc .login_user .bcent li:not(:last-child) {
  margin-bottom: 10px;
}
.headPc .login_user .bcent a {
  display: flex;
  align-items: center;
  color: #333;
}
.headPc .login_user .bcent img {
  width: 20px;
  height: 20px;
}
.headPc .login_user .bcent .icon {
  width: 16px;
  height: 16px;
}
.headPc .login_user .bcent p {
  color: #2f2e3e;
  font-family: "Source Han Sans CN";
  font-size: 14px;
  font-style: normal;
  font-weight: 400;
  line-height: 24px; /* 285.714% */
  margin-left: 10px;
  margin-bottom: 0;
}
.headPc .login_user .btom {
  padding: 16px 18px;
  border-top: 1px solid #eeeff1;
}
.headPc .login_user .btom a {
  display: flex;
  align-items: center;
}
.headPc .login_user .btom img {
  width: 20px;
  height: 20px;
}
.headPc .login_user .btom .icon {
  width: 16px;
  height: 16px;
}
.headPc .login_user .btom p {
  color: #ea2222;
  font-family: "Source Han Sans CN";
  font-size: 14px;
  font-style: normal;
  font-weight: 400;
  line-height: 24px; /* 285.714% */
  margin-left: 10px;
  margin-bottom: 0;
}
.teaching-tools-box-right{
  position: relative;
}
.teaching-tools-box-right .start-btn{
  position: absolute;
  right: 20px;
  top: 30px;
}






/* 优化的主按钮样式 */
.teaching-tools-box-right .start-btn .btn-primary ,
.teaching-tools-box-right .start-btn .btn-success,
.teaching-tools-box-right .padding10 > h3 > .btn-primary {
  background: linear-gradient(135deg, #2ecc71, #27ae60);
  color: white;
  border: none;
  border-radius: 6px;
  padding: 10px 25px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 10px rgba(46, 204, 113, 0.3);
  min-height: 42px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.teaching-tools-box-right .start-btn .btn-primary:hover,
.teaching-tools-box-right .start-btn .btn-success:hover,
.teaching-tools-box-right .padding10 > h3 > .btn-primary:hover{
  background: linear-gradient(135deg, #27ae60, #219653);
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(46, 204, 113, 0.4);
  color: white;
  text-decoration: none;
}

.teaching-tools-box-right .start-btn .btn-primary:active,
.teaching-tools-box-right .start-btn .btn-success:active,
.teaching-tools-box-right .padding10 > h3 > .btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 4px 10px rgba(46, 204, 113, 0.3);
}

.teaching-tools-box-right .start-btn .btn-primary:disabled,
.teaching-tools-box-right .start-btn .btn-success.disabled,
.teaching-tools-box-right .padding10 > h3 > .btn-primary.disabled {
  background: #cccccc;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
  opacity: 0.6;
}

/* 按钮按下效果 */
.teaching-tools-box-right .start-btn .btn-primary:active::after,
.teaching-tools-box-right .start-btn .btn-success:active::after,
.teaching-tools-box-right .padding10 > h3 > .btn-primary:active::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.4s, height 0.4s;
}


.teaching-tools-box-right .padding10 > h4{
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    margin-bottom: 25px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 15px;
}


.teaching-tools-box-right > h4{
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    margin-bottom: 25px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 15px;
}


.teaching-tools-box-right .padding10 > h3{
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    margin-bottom: 25px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
}


.container-bg{

  padding-bottom: 30px;
}

.public-hint {
  text-align: center;
  padding: 40px 20px;
  color: #999;
  font-size: 14px;
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.7;
  transition: opacity 0.3s ease;
  flex-direction: column;
  gap: 10px;
}

.public-hint:hover {
  opacity: 1;
}


.table-height{
  min-height: 300px;
}

.height500{
  min-height: 300px;
}