.combination-limits-form {
    max-width: 400px;
    margin: 0 auto;
    padding: 20px;
    background-color: #f7f7f7;
    border: 1px solid #ddd;
    border-radius: 5px;
    text-align: center;
}

.combination-limits-form label {
    display: block;
    margin-bottom: 10px;
    font-weight: bold;
}

.combination-limits-form .round-input {
    padding: 5px 10px;
    font-size: 16px;
    border: none;
    border-radius: 20px;
    background-color: #f9f9f9;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    transition: box-shadow 0.3s;
}

.combination-limits-form .round-input:hover,
.combination-limits-form .round-input:focus {
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    outline: none;
}

.combination-limits-form input[type="submit"] {
    font-size: 20px;
    display: block;
    margin: 20px auto 0;
    padding: 10px 20px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 20px; /* 添加这一行以设置圆弧半径 */
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2); /* 添加阴影效果 */
    transition: box-shadow 0.3s; /* 添加过渡效果 */
}

.combination-limits-form input[type="submit"]:hover {
    background-color: #0069d9;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3); /* 鼠标悬停时加深阴影 */
}

.combination-limits-result {
    font-size: 18px;
    font-weight: bold;
    margin-top: 20px;
    text-align: center;
    animation: blink 1s infinite;
}

.combination-limits-result p {
    margin: 5px 0;
}

/* 添加閃動動畫 */
@keyframes blink {
    0% {
        opacity: 1;
    }
    50% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}