.fixed-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    transition: all .15s;
    box-shadow: 0px 2px 10px -5px rgba(0, 0, 0, 0.75);
}

#list {
    position: absolute;
    left: 0;
    top: 100%;
    /* max-height: 0vh; */
    overflow: hidden;
    transition: all 0.3s ease-in-out, visibility 0s linear 0s, transform 0.3s ease-in-out;
}

#list.active {
    /* max-height: 100vh; */
    display: block;
    overflow: visible;
    box-shadow: 0px 10px 10px -15px rgba(0, 0, 0, 0.75);
}

/* 从左边淡入 */
@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-100px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 从右边边淡入 */
@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(100px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 从上面淡入 */
@keyframes fadeInTop {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }

    to {
        opacity: 1;
        transform: translateY(0px);
    }
}

/* 从下面淡入 */
@keyframes fadeInBottom {
    from {
        opacity: 0;
        transform: translateY(50px);
    }

    to {
        opacity: 1;
        transform: translateY(0px);
    }
}

/* 开屏动画 */
@keyframes animation-screen-start {
    from {
        opacity: 1;
        transform: translateY(0);
    }

    to {
        opacity: 1;
        transform: translateY(-100vh);
    }
}

/* 跳转动画（当前页面结束） */
@keyframes animation-screen-end {
    from {
        opacity: 1;
        transform: translateY(100vh);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}


@font-face {
    font-family: 'Montserrat';
    src: url('../font/Montserrat-VariableFont_wght.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}

@font-face {
    font-family: 'Roboto';
    src: url('../font/Roboto-Regular.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}


@font-face {
    font-family: 'Poppins';
    src: url('../font/Poppins-Regular.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}