#game {
    width: 100%;
    height: 100%;
}

.dos_game_container {
    position: absolute;
    top: 130px;
    left: 50%;
    /*transform: translate(-50%, -50%);*/
    transform: translate(-50%, 0%);
    width: 52%;
    height: 70%;
    max-width: 100%;
    max-height: 100%;
    box-sizing: border-box;
    min-width: 480px;
    min-height: 320px;
    background-color: black;
    border: 4px double #3498db;
    border-radius: 5px;
    z-index: 999;
    /*outline: 10px solid #555;*/
    /*box-shadow: 0px 0px 10px rgba(52, 152, 219, 0.5);*/
}

.dos-game_container_v2 {
    width: 100%;
    /*height: 100%;*/
    height: 600px;
    box-sizing: border-box;
    background-color: black;
    border: 4px double #3498db;
    border-radius: 5px;
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

@media (min-width: 992px) {
    /* 大屏幕 */
    .dos-game_container_v2-left {
        /*margin: auto;*/
        /*width:90%;*/
        margin-left: 0px;
    }
}

.dos-game_container_v3 {
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    aspect-ratio: 640/480;
    width: 100%;
    /*height: 100%;*/
    margin: auto;
    /*border-radius: 5px;*/
    box-shadow: inset 0 2px 5px rgba(0, 0, 0, .6), 0 5px 2px rgba(0, 0, 0, .1), 0 4px 8px rgba(0, 0, 0, .8);
    border-color: #2F2D2D #434040 #4F4C4C #434040;
    background-color: black
}

.dos-game-loading {
    position: absolute;
    top: 70%;
    /*left: 50%;*/
    /*transform: translate(-50%, -0%);*/
    z-index: 1;
    /*background-color: black;*/
    /*display: none;*/
}

.dos-game-loading-text {
    display: flex;
    color: #ffffff;
    font-size: 30px;
    /*text-transform: uppercase;*/
    font-weight: 500;
    text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.1);
    text-align: justify;
    letter-spacing: 2px;
    transition: all .3s;
    justify-content: center;
    align-items: center;
    width:100%;
    text-align: center;
    line-height: 2;
}

@media (max-width: 768px) {
    .dos-game-loading-text {
        font-size: 15px; /* 小屏幕时字体大小 */
    }
}