div.guide {
    z-index: 90;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    /* 毛玻璃效果 */
    backdrop-filter: blur(10px);
}


#close_guide{
    width: 2rem;
    height: 2rem;
    position: absolute;
    top: 0;
    right: 0;
    z-index: 91;
    font-size: xx-large;
    color: white;
    background-color: transparent;
    border: none;
    cursor: pointer;
    padding: 10px;
    margin: 10px;
    background-size: contain;
    background-image: url("../img/close.png");
    border-radius: 50%;
    /* 添加光晕 */
    box-shadow: 0 0 10px 5px rgba(255, 255, 255, 0.5);
}


#no_show_again_box{
    position: absolute;
    top: 0;
    right: 3rem;
    z-index: 91;
    font-size: larger;
    color: white;
    background-color: transparent;
    border: none;
    cursor: pointer;
    padding: 10px;
    margin: 10px;
}

.mouse_use_guide {
    /*width: 80%;*/
    width: 50%;
    height: 50%;
    top: 40%;
    /*left: 10%;*/
    position: relative;
    margin: 0 auto;
}

.mouse_use_guide img {
    /* 可以根据需要设置图片的最大宽度或高度 */
    max-width: 100%; /* 确保图片不会超出容器宽度 */
    max-height: 100%; /* 确保图片不会超出容器高度 */
  }

a#user_guide{
    background-image: url("../img/系统使用导航.png");
}


/* 工具图标及其说明 */

div.tool_shelf {
    position: fixed;
    bottom: 0;
    width: 4em;
    z-index: 91;
}

div.tool_shelf>ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

div.tool_shelf>ul>li {
    position: relative;
    margin-bottom: 10px; /* 添加一些间距 */
}

a.tool_button {
    background-size: contain;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 3em;
    height: 3em;
    border: none;
    transition: background-image 0.3s ease;
    position: relative;
}

a.tool_button::after {
    content: '';
    position: absolute;
    left: 120%;
    width: 100%;
    height: 1px;
    background-color: white; /* 指引线的颜色 */
}

a.tool_button span {
    position: absolute;
    left: 250%;
    white-space: nowrap;
    font-size: 1.5em; /* 文本大小 */
    color: white;
    visibility: visible;
}

div.tool_shelf.hide_guide>ul>li>a.tool_button::after {
    display: none;
}

div.tool_shelf.hide_guide>ul>li>a.tool_button span {
    visibility: hidden;
}

#to_home{
    position: fixed;
    z-index: 91;
    margin: 1em;
    display: flex;
    align-items: center;
}

#to_home img{
    width: 2em;
    height: 2em;
}

.nav-link {
    color: white;
    text-decoration: none;
}

.nav-link span {
    width: 100px;
    position: absolute;
    top: 50%;
    transform: translateY(-50%); /* 向上移动自身高度的一半 */
    font-size: x-large;
}

.v3d-annotation-dialog {
    font-size: large;
}

#no_show_again {
    transform: scale(1.5); /* 放大1.5倍 */
    transform-origin: left; /* 从左侧开始缩放，防止复选框位置偏移 */
    margin-right: 0.5em; /* 添加右边距以防止复选框与文本重叠 */
}

#no_show_again_box input,
#no_show_again_box label {
    vertical-align: middle;
}