body {
    font-family: Avenir, sans-serif;
    margin: 20px;
}
.container {
    display: flex;
    max-width: 1000px;
    margin: 0 auto;
}
.content {
    flex: 1;
}
.input-group {
    margin-bottom: 15px;
}
.input-group label {
    display: block;
    margin-bottom: 5px;
}
.input-group input {
    width: 100%;
    padding: 8px;
    box-sizing: border-box;
}
.input-group select {
    width: 100%;
    padding: 8px;
}
.result {
    margin-top: 20px;
    padding: 10px;
    background: #f9f9f9;
    border: 1px solid #ddd;
}
.color-blocks {
    display: flex;
    flex-direction: column;
    gap: 20px; /* 调整间距 */
    margin-left: 50px;
    margin-top: 100px; /* 添加顶部间距 */
    margin-right: 50px;
}
.color-block {
    width: 100px;
    height: 100px;
    border: 1px solid #000;
    position: relative;
}

.color-block::before {
    content: '';
    position: absolute;
    top: -50px;
    left: -50px;
    width: 200%;
    height: 200%;
    background-color: var(--background-color);
    z-index: -1;
}
.ab-chart {
    margin-top: 100px;
    border: 1px solid #ddd;
    width: 300px;
    height: 300px;
    display: block;
    margin-left: 50px;
    margin-right: auto;
}
#labCoordinates {
    margin-top: 100px;
    text-align: center;
}
#labCoordinates p {
    margin: 5px 0;
    font-weight: bold;
}