p {
    text-indent: 2em;
    color: #606266;
    line-height: 200%;
}

body {
    font-family: '宋体', Arial, Helvetica;
    font-size: 20px;
}
 p strong {
    position: relative; 
      display: inline-block;   
   --note-color: #9900ff; /* 默认颜色 */
   --note-font-size:0.3em;

}

p strong::before {
     content: attr(data-explanation);
     position: absolute; 
     top: -2em; 
     left: 50%;  
      transform: translateX(-50%);   
    font-size: var(--note-font-size); 
    color: var(--note-color); /* 使用 CSS 变量设置颜色 */
    white-space: nowrap;


}
 
.el-row {
    margin-bottom: 20px;
}

.el-main .el-link {
    font-size: var(--linkFontSize);
}

.el-row {
    margin-bottom: 10px;
}

.el-row:last-child {
    margin-bottom: 0px;
}

.el-row:nth-last-child(2) {
    margin-bottom: 100px;
    margin-top: 40px;
}

.el-header {

    height: 160px !important;
}

.Btn1 {
    background-color: rgb(250, 248, 238);
    width: 20px;
    height: 20px;
    border: 0px;
    border-radius: 10px;
    margin: 10px;
}

.Btn1:hover {
    background - color: rgb(250, 238, 238);
}

.Btn2 {
    background-color: rgb(242, 226, 216);
    width: 20px;
    height: 20px;
    border: 0px;
    border-radius: 10px;
    margin: 10px;
}

.Btn2:hover {
    background-color: rgb(242, 226, 216);
}

.Btn3 {
    background-color: rgb(216, 244, 196);
    width: 20px;
    height: 20px;
    border: 12px;
    border-radius: 10px;
    margin: 10px;
}

.Btn3:hover {
    background-color: rgb(216, 244, 196);
}

.Btn4 {
    background-color: rgb(79, 82, 84);
    width: 20px;
    height: 20px;
    border: 0px;
    border-radius: 10px;
    margin: 10px;
}

.Btn4:hover {
    background-color: rgb(79, 82, 84);
}

.Btn5 {
    background-color: rgb(61, 61, 61);
    width: 20px;
    height: 20px;
    border: 0px;
    border-radius: 10px;
    margin: 10px;

}

.Btn5:hover {
    background-color: rgb(61, 61, 61);
}

::-webkit-scrollbar {
    width: 16px;
    display: var(--scrollbar);
}

::-webkit-scrollbar-thumb {
    background: var(--scrollCorlor);
    box-shadow: inset 0 0 4px green;
    border-radius: 30px;
}

#mainContent:fullscreen {
    background-color: var(--fullCorlor);
}

#mainContent {
    padding-left: 100px;
    padding-right: 100px;
}

*