body {
        font-family: Arial, sans-serif;
        margin: 20px;
        background-color: #f4f4f4;
        text-align: center;
    }
    .container {
        width: 50%;
        margin: 0 auto; /* 居中显示 */
        background-color: white;
        padding: 20px;
        border-radius: 8px;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    }
    textarea {
        width: 90%;
        height: 150px;
        margin-bottom: 10px;
        padding: 10px;
        border-radius: 8px;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    }
    button {
        margin-top: 10px;
        padding: 10px 20px;
        font-size: 16px;
        cursor: pointer;
        border: none;
        border-radius: 8px;
        background-color: #5cb85c;
        color: white;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    }
    button:hover {
        background-color: #4cae4c;
    }
    .result {
        margin-top: 20px;
    }
    #trackingTable {
        width: 100%;
        border-collapse: collapse;
        margin-top: 10px;
    }
    th, td {
        border: 1px solid #ddd;
        padding: 8px;
        text-align: left;
    }
    th {
        background-color: #f2f2f2;
        border-bottom: 2px solid #ddd;
    }
    .total-count, .unknown-count {
        margin-bottom: 10px;
        font-size: 18px;
        font-weight: bold;
    }
    .unknown-count {
        color: red;
        font-weight: bold;
    }
    
    .unknown {
        color: red;
        font-weight: bold;
    }
    #message {
        display: none;
        position: fixed;
        top: 50%;
        right: 50%;
        background-color: #0b9ab3;
        color: white;
        padding: 10px 20px;
        border-radius: 5px;
        z-index: 1000;
    }

    .message {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #66ccff;
    color: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.2);
    width: fit-content;
    width: 15vw;
    max-width: 30vw;
    height: 50px;
    max-height: 3vw;
    z-index: 9999;
    }
    
    #message-close {
        background: none;
        border: #66ccff;
        border-radius: 100px;
        color: white;
        cursor: pointer;
        font-size: 20px;
    }
    #message-timer {
    color: white;
    font-size: 14px;
}
    .red-number {
        color: red;
    }