@import url('https://fonts.googleapis.com/css2?family=Open+Sans&display=swap');

#top {
  list-style-type: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background-color: #333;
}

.top_bar {
  float: left;
}

.top_bar a {
  display: block;
  color: rgb(155, 195, 238);
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
}

/* Change the link color to #111 (black) on hover */
.top_bar a:hover {
  background-color: #4d4d4d;
}

*{
    list-style: none;
    text-decoration: none;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Open Sans', sans-serif;
}
.tab-active {
    background-color: orangered;
}

#main {
    display: flex;
    width: 100%;
    padding-right: 20px;
    padding-top: 0;
}

#content {
    flex-grow: 1;
    width: 100%;
    padding-left: 20px;
    padding-right: 20px;
    padding-top: 20px;
    padding-bottom: 20px;
}
#chart-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    margin-top: 10px;
    margin-bottom: 50px;
}
.chart {
    border: 1px solid black;
    height: 550px;
    display: flex;
    justify-content: center;
    align-items: center;
}

body {
  font-family: Arial, sans-serif;
}

#control-panel {
  border-left: 1px solid #ddd;
  padding: 10px;
}

#control-panel h2 {
  margin-top: 0;
}

#control-panel button {
  margin-top: 10px;
  margin-right: 5px;
}

#search-box {
    margin-left: 20px;
    margin-top: 10px;
    width: 100%;
}

#search-box2 {
    margin-left: 20px;
    margin-top: 10px;
    width: 100%;
}

#checkbox-container {
    margin-top: 10px;
    margin-left: 20px;
    max-height: 250px;
    width: 200px;
    overflow-y: auto;
    border: 1px solid #ddd;
    padding: 10px;
}

#container {
    display: flex;
    width:100%;
    height: 650px;
}

#checkbox-container2 {
    margin-top: 10px;
    max-height: 300px;
    margin-left: 20px;
    width: 200px;
    overflow-y: auto;
    border: 1px solid #ddd;
    padding: 10px;
}

.select {
    color: #0099CC;
    background: transparent;
    border: 2px solid #0099CC;
    border-radius: 6px;
    padding: 6px 10px;
    text-align: center;
    display: inline-block;
    font-size: 6px;
    margin: 4px 2px;
    -webkit-transition-duration: 0.4s; /* Safari */
    transition-duration: 0.4s;
    cursor: pointer;
    text-decoration: none;
    text-transform: uppercase;
}
.select {
    background-color: white;
    color: black;
    border: 2px solid #008CBA;
}
/* 悬停样式 */
.select:hover {
    background-color: #008CBA;
    color: white;
}

.start {
    display: inline-block;
    border-radius: 4px;
    background-color: #f4511e;
    border: none;
    color: #FFFFFF;
    text-align: center;
    font-size: 20px;
    padding: 10px;
    width: 90px;
    transition: all 0.5s;
    cursor: pointer;
    margin: 5px;
}
.start span {
    cursor: pointer;
    display: inline-block;
    position: relative;
    transition: 0.5s;
}
.start span:after {
    content: '→*/';
    position: absolute;
    opacity: 0;
    top: 0;
    right: -20px;
    transition: 0.5s;
}
.start:hover span {
    padding-right: 25px;
}
.start:hover span:after {
    opacity: 1;
    right: 0;
}
.tooltip {
    text-align: center;
    padding: 5px;
    font: 12px sans-serif;
    background: lightsteelblue;
    border-radius: 8px;
    pointer-events: none;
    border: 2px solid black;
    color: black;
}
 .description{
     font-size: 10px;
     color: gray;
     text-align: left;
 }


.column {
    float: left;
    width: 15%;
    margin-bottom: 16px;
    padding: 0 8px;
}

.card {
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2);
    margin: 8px;
}

.about-section {
    padding: 50px;
    width: 70%;
    text-align: center;
    background-color: #474e5d;
    color: white;
}

.about_container {
    padding: 0 16px;
}

.about_container::after, .row::after {
    content: "";
    clear: both;
    display: table;
}
#side{
    margin-left: 0;
    padding-left: 0;
}

#side li a{
    margin-left: 0;
    display: block;
    padding: 13px 30px;
    border-bottom: 1px solid #10558d;
    color: black;
    font-size: 16px;
    position: relative;
}

#side  li a:hover,
#side  li a.active{
    color: #0c7db1;
    background:white;
    border-right: 2px solid rgb(5, 68, 104);
}

#side  li a:hover .icon,
#side  li a.active .icon{
    color: #0c7db1;
}

#side  li a:hover:before,
#side  li a.active:before{
    display: block;
}
#sidebar {
    width: 15%;
    margin-left: 0;
    border-right: 1px solid black;
}