body {
    font-family: "Microsoft YaHei", sans-serif;
    background-color: #fffaf3;
    color: #333;
    text-align: center;
    padding: 50px;
}

.container {
    max-width: 500px;
    margin: auto;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 0 10px rgba(255, 153, 0, 0.2);
    background-color: #ffffff;
}

h1 {
    color: #ff6600;
    margin-bottom: 20px;
}

button {
    background-color: #ff6600;
    border: none;
    color: white;
    padding: 12px 24px;
    text-align: center;
    font-size: 16px;
    border-radius: 8px;
    cursor: pointer;
    margin-top: 10px;
}

button:hover {
    background-color: #e65c00;
}

#resultBox {
    margin-top: 20px;
    font-size: 18px;
    color: #ff6600;
}

.footer-note {
    font-size: 12px;
    color: #999;
    margin-top: 40px;
}

.custom-upload-button {
    display: inline-block;
    background-color: #e0e0e0;  /* 淡灰色背景 */
    color: #333;                /* 深灰文字 */
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    margin-top: 10px;
    margin-bottom: 10px;
    font-size: 16px;
    border: 1px solid #ccc;     /* 可选：边框细化质感 */
}

.custom-upload-button:hover {
    background-color: #d5d5d5;  /* 鼠标悬停时略深一点 */
}

#fileName {
    font-size: 14px;
    color: #666;
    margin-left: 10px;
}

input[type="file"] {
    display: none;
}