* {
    margin: 0;
    padding: 0;
}

img {
    width: 100%;
}

a {
    text-decoration: none
}

li {
    list-style-type: none;
}

.app_top_nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 8rem;
    border-bottom: 0.1rem solid #cacaca;
    z-index: 10;
}

.app_top_nav .top_box {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: white;
}

.app_top_nav .recover {
    display: flex;
    width: 8rem;
    height: 8rem;
    justify-content: center;
}

.app_top_nav .recover:active {
    background: #f6f6f6;
}

.app_top_nav .recover img {
    width: 5.3rem;
}

.app_top_nav .page_title {
    font-size: 3.5rem;
}

.app_top_nav .menu {
    display: flex;
    width: 8rem;
    height: 8rem;
    justify-content: center;
    align-items: center;
}

.app_top_nav .menu:active {
    background: #f6f6f6;
}

.app_top_nav .menu img {
    width: 4rem;
}

.main_content {
    position: relative;
    top: 8rem;
}

.number_box {
    margin-top: 3rem;
}

/* 吐司 */
.toast_box {
    position: fixed;
    width: 100%;
    display: flex;
    justify-content: center;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 1;
    transition: opacity .7s ease-in-out;
    z-index: 9999;
}

.toast {
    max-width: 30rem;
    font-size: 3rem;
    background: #000000b3;
    color: white;
    padding: 2rem;
    border-radius: 0.6rem;
    text-align: center;
    line-height: 4.5rem;
}

[contenteditable] {
    outline: 0px solid transparent;
}

a {
    -webkit-tap-highlight-color: rgba(255, 255, 255, 0);
    -webkit-user-select: none;
    -moz-user-focus: none;
    -moz-user-select: none;
}


@keyframes blink {
    0% {
        opacity: 1;
    }

    50% {
        opacity: 0.8;
    }

    100% {
        opacity: 1;
    }
}