* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}
.main{ 
    min-width: 1000px;
   
    padding: 20px;
}
.mc{
    display: flex;
}
.head_wrapper{
    background: #3f3f3f;
    width: 100%;
    height: 1.5rem;
}
font,span{
    position: absolute;
}
.head_logo{
    background-color: #f1f1f1;
    height: 3.5rem;
}
.left,.right{
    position: absolute;
}
.navbar {
    display: flex;         /* 使用Flexbox布局 */
    justify-content: center; /* 水平居中 */
    list-style-type: none;  /* 移除默认列表样式 */
    padding: 0;             /* 移除默认padding */
  }
nav ul {
    list-style-type: none; /* 移除默认列表符号 */
    padding: 0; /* 移除默认内边距 */
    margin: 0; /* 移除默认外边距 */
  }
nav ul li {
    display: inline; /* 列表项横向排列 */
    margin-right: 10px; /* 添加右边距以分隔列表项 */
  }
   
  nav ul li a {
    text-decoration: none; /* 移除下划线 */
    color: #686868;/* 设置文本颜色 */
    padding: 5px 10px; /* 添加内边距使链接看起来更好 */
    font-size: .8rem;
  }
   
  nav ul li a:hover {
    color: #07a3eb; /* 鼠标悬停时的背景颜色 */
  }

  .back{
    color: #000;
    font-weight: 1000;
    width: 10rem;
    height: 4rem;
}
.back img{
    padding-left: 20px;
    width: 3rem;
    position: absolute;
    top: 7.6rem;
    left: 2%;
}
.back p{
    width: 6rem;
    position: absolute;
    left: 5%;
    top: 7.3rem;
    color: #000;
}
a:hover p{
    color: red;
}
.main .container{
    width: 100%;
}

.content{
    position: relative;
}
.same{
    position: absolute;
    transform: translateX(-50%);
}
table{
  padding-left: 5%;
  padding-right: 5%;
  width: 100%;
  height: auto;
  border-collapse: separate;
  border-spacing: 0.5rem;
}
table tr td{
  border: 2px dashed rgb(1, 102, 255);
  text-align: center;
  color: #fff;
  font-size: 1.3rem;
  border-radius: 10px;
}
table tr td p{
    color: black;
    font-weight: 1000;
}
table tr td img{
    border: 1px solid black;
    width: 13rem;
}

.content .c1{
  top: 11rem;
  left: 20%;
}
.content .c2{
    top: 11rem;
    left: 35%;
}
.content .c3{
    top: 11rem;
    left: 50%;
}
.content .c4{
    top: 11rem;
    left: 65%;
}
.content .c5{
    top: 11rem;
    left: 80%;
}

.modal {  
    display: none;  
    position: fixed;  
    z-index: 1;  
    left: 0;  
    top: 0;  
    width: 100%;  
    height: 100%;  
    overflow: auto;  
    background-color: rgba(0, 0, 0, 0.9);  
}  


.modal-content {  
    margin: auto;  
    display: block;  
    width: 80%;  
}  

.close {  
    position: absolute;  
    top: 2rem;  
    left: 90%;  
    color: #f1f1f1;  
    font-size: 5rem;  
    font-weight: bold;  
    cursor: pointer;  
}
.foot{
    height: 8rem;
    width: 100%;
    background-color: #f1f1f1;
    display: flex;
    text-align: center;
    align-items: center;
    justify-content: center;
    font-size: 90%;
}
.foot a{
    color: #686868;
}
.foot a:hover{
    color: #07a3eb;
}