html,
body {
    margin: 0;
    height: 100%;
    overflow: hidden;
    background: #030611
}

#hud {
    position: fixed;
    left: 10px;
    top: 10px;
    color: #7df9ff;
    font: 14px monospace;
    z-index: 9
}

#video {
    position: fixed;
    right: 10px;
    bottom: 10px;
    width: 60px;
    opacity: .3;
    transform: scaleX(-1);
    border-radius: 10px;
    z-index: 9
}

/* 输入框样式 */
#inputPictureName {
    position: fixed;
    bottom: 10px;
    right: 330px;
    width:160px;
    padding: 12px 16px;
    font-size: 18px;
    border: 2px solid #ccc;
    border-radius: 8px;
    outline: none;
    transition: border 0.3s;
}

#inputPictureName:focus {
    border-color: #409eff;
}

/* 输入框样式 */
#inputText {
    position: fixed;
    bottom: 10px;
    right: 70px;
    width:160px;
    padding: 12px 16px;
    font-size: 18px;
    border: 2px solid #ccc;
    border-radius: 8px;
    outline: none;
    transition: border 0.3s;
}

#inputText:focus {
    border-color: #409eff;
}

#menuBtn {

    position: fixed;

    top: 20px;
    left: 20px;

    z-index: 20;

    width: auto;
    padding: 12px 18px;

    border: none;
    border-radius: 14px;

    background: rgba(20, 40, 80, 0.85);

    color: #d8ecff;

    font-size: 15px;

    cursor: pointer;

    backdrop-filter: blur(10px);

    border: 1px solid rgba(120, 180, 255, 0.25);

    box-shadow:
        0 0 18px rgba(0, 140, 255, 0.25);

    transition: 0.25s;
}

#menuBtn:hover {

    transform: translateY(-2px);

    background: rgba(40, 80, 140, 0.95);

    box-shadow:
        0 0 24px rgba(80, 180, 255, 0.45);
}