body, html {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    font-family: "Microsoft YaHei", sans-serif;
}

#container {
    width: 100%;
    height: 100%;
}

#panel {
    position: absolute;
    top: 6px; /* 下移面板给坐标显示留出空间 */
    right: 10px;
    width: 300px;
    background: white;
    padding: 10px;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0,0,0,0.2);
    z-index: 1000;
}

.input-group {
    margin-bottom: 10px;
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

input, button {
    width: 100%;
    padding: 8px;
    box-sizing: border-box;
}

button {
    background-color: #3385ff;
    color: white;
    border: none;
    cursor: pointer;
    margin-top: 5px;
}

    button:hover {
        background-color: #2d78f4;
    }

#result {
    margin-top: 10px;
    padding: 10px;
    background: #f5f5f5;
    border-radius: 3px;
    min-height: 60px;
}

#mouse-coord {
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255,255,255,0.9);
    padding: 8px 20px;
    border-radius: 20px;
    box-shadow: 0 0 10px rgba(0,0,0,0.2);
    z-index: 1000;
    font-size: 14px;
    border: 1px solid #ddd;
    display: flex;
    align-items: center;
    white-space: nowrap;
}

    #mouse-coord::before {
        content: "📍";
        margin-right: 8px;
        font-size: 16px;
    }

.coord-highlight {
    color: #3385ff;
    font-weight: bold;
    margin: 0 3px;
}