body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: #f4f4f9;
    color: #333;
    margin: 0;
    padding: 10px;
    box-sizing: border-box;
}

.container {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    text-align: center;
    width: 100%;
    max-width: 800px;
    margin: 20px auto;
}

h1 {
    color: #444;
    font-size: 1.8em;
}

p {
    font-size: 1em;
    color: #666;
}

a {
    color: #007bff;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

input[type="file"] {
    display: block;
    margin: 20px auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

th, td {
    padding: 12px 15px;
    border: 1px solid #ddd;
    text-align: left;
}

th {
    background-color: #f2f2f2;
}

button {
    padding: 10px 15px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1em;
}

button:hover {
    background-color: #0056b3;
}

.phone-container {
    padding: 30px 20px;
}

.phone-number {
    display: block;
    margin-top: 20px;
    font-size: 2.2em;
    font-weight: bold;
    color: #007bff;
    text-decoration: none;
    word-break: break-all;
}

.phone-number:hover {
    text-decoration: underline;
}

/* 移动端适配 */
@media (max-width: 600px) {
    body {
        padding: 0;
    }

    .container {
        padding: 15px;
        margin: 0;
        border-radius: 0;
        box-shadow: none;
        min-height: 100vh;
    }

    h1 {
        font-size: 1.5em;
    }
    
    table, thead, tbody, th, td, tr {
        display: block;
    }

    thead {
        display: none;
    }

    tr {
        border: 1px solid #ddd;
        margin-bottom: 15px;
    }

    td {
        border: none;
        border-bottom: 1px solid #eee;
        position: relative;
        padding-left: 50%;
        text-align: right;
    }

    td::before {
        content: attr(data-label);
        position: absolute;
        left: 10px;
        width: calc(50% - 20px);
        padding-right: 10px;
        font-weight: bold;
        text-align: left;
    }

    td:last-child {
        border-bottom: 0;
    }

    button {
        width: 100%;
        padding: 12px;
    }

    .phone-number {
        font-size: 1.8em;
    }
}