body {
    background-color: rgb(225, 234, 222);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh; /* 讓 body 高度填滿螢幕 */
    margin: 0; /* 移除預設 margin */
}

.container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100vh; /* 讓 container 高度填滿螢幕 */
    padding: 10px; /* 為小螢幕增加一點 padding */
    box-sizing: border-box;
}

video {
    width: 100%;
    max-width: 640px; /* 桌面最大寬度 */
    height: auto;
    display: block;
    margin: 0 auto;
    border: 2px solid #666; /* 可選：增加邊框讓影片區塊更清楚 */
    border-radius: 8px;
}

.video-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 20px;
    text-align: center;
}

/* 讓按鈕區塊整齊排列 */
/* 舊的----讓按鈕上下排列
form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
*/

form {
    display: flex;
    flex-direction: row; /* 改為橫向排列 */
    gap: 10px;            /* 兩個按鈕之間的距離 */
    flex-wrap: wrap;      /* 當螢幕太小可自動換行 */
    justify-content: center; /* 水平置中按鈕 */
}

/* 按鈕樣式 */
button {
    font-size: 16px;
    padding: 8px 16px;
    /*background-color: #6da06f;*/
    background-color: #4c86dd;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.2s;
}

button:hover {
    /*background-color: #588d5e;*/
    background-color: #3772ca;
}

/* 響應式調整：手機與平板 */
@media screen and (max-width: 768px) {
    .container {
        padding: 20px;
        height: auto;
    }

    button {
        width: 100%;
        max-width: 300px;
    }

    video {
        max-width: 100%;
    }
}