.back-button {
    display: none;
}

.bottom-controller {
    display: none;
}

@media (max-width: 600px) {
    .note-list,
    .app-note-container {
        overflow-y: scroll;
        overflow-x: hidden;
    }

    .note-list {
        height: 74vh;
    }

    .app-note-container {
        height: 70vh;
        padding-right:  10vw;
    }

    .flex-container {
        width: 200vw;
    }

    .flex-container.hidden-middle {
        transform: translateX(-100vw);
    }

    .flex-container {
        transition: transform 0.5s;
        transform: translateX(0vw);
    }

    .flex-container > .left {
        display: none;
    }

    .flex-container > .middle {
        height: 100%;
        /* 宽度不设为 100vw，可以修复老版本 iOS 系统没有光标问题 */
        width: 98vw;
        margin-left: 1vw;
        border-right: none;
    }

    .flex-container > .right-笔记内容 {
        background: white;
        padding: 0;
        width: 100vw;
    }

    .note-header {
        position: sticky;
        top: 0;
    }

    #id-note-time {
        margin-bottom: 0;
    }

    #id-note-time #id-created-time,
    #id-note-time .time-name,
    #id-note-time .note-updated-time {
        display: none;
    }

    .app-note-title #id-button-upload,
    .app-note-title .app-button-save {
        font-size: 14px;
    }

    #id-note-time .time-name,
    #id-span-update-pwd {
        display: none;
    }

    #id-note-time .back-button {
        display: inline-block;
        margin-left: 10px;
        position: relative;
    }

    .back-button svg,
    .back-button #id-back-text {
        color: #f39200;
        font-size: 17px;
    }

    .back-button svg {
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
    }

    .back-button #id-back-text {
        margin-left: 20px;
    }

    .app-note-title {
        margin-top: 14px;
    }

    .bottom-controller {
        display: block;
        width: 100%;
    }

    #id-span-笔记标题 {
        width: 55vw;
        margin-top: 0;
    }

    .bottom-controller-content {
        display: flex;
        width: 100vw;
        height: 6vh;
        background: white;
        align-items: center;
        border-top: 1px solid #e3e3e3;
    }

    .bottom-controller-content > div{
        flex: 1;
        text-align: center;
    }

    .bottom-controller-placeholder {
        height: 50px;
        background: white;
    }

    #id-modal-upload {
        cursor: pointer;
        border: none;
        background: none;
        outline: none;
        text-decoration: underline;
        font-size: inherit;
        color: #545454;
    }

    .app-note-add {
        margin-bottom: 0px;
        border-right: 1px solid #e3e3e3;
    }

    .note-icon-hide,
    .note-sidebar-所有笔记,
    .save-button-shortcut {
        display: none;
    }

    .app-account {
        position: initial;
        padding: 0;
        border-top: 0;
    }

    .note-list-item-容器 .note-list-item-删除 {
        display: none !important;
    }

    #id-note-time-wrapper {
        display: flex;
        justify-content: space-between;
        align-items: center;
        border-bottom: none;
        margin-top: 1.5vh;
    }

    #id-div-upload .app-button-save,
    .app-note-title #id-button-upload{
        display: none;
    }

    #id-mobile-right {
        display: block;
        margin-right: 20px;
        font-size: 17px;
        color: #f39200;
    }

    #id-mobile-save {
        padding-left: 5px;
        font-size: 17px;
    }

    .app-button-save:hover {
        /*手机上不显示 hover 动画*/
        box-shadow: none;
        color: #f39200;
    }

    #id-div-tags {
        margin: 10px 10px 0 10px;
    }

    #id-button-tag-list-mobile {
        display: inline-block;
        bottom: 2px;
        position: relative;
    }

    .tag-list-delete,
    #id-button-list-edit {
        display: none;
    }

    #id-div-editor-top {
        position: sticky;
        top: 0;
        height: 54px;
    }
}