body {
    font-family: Arial, sans-serif;

    margin: 0;
    padding: 0;
}

h1 {
    color: white;
    /* 减小顶部外边距，这里改为 20px */
    margin-top: 20px;
    display: flex;
    align-items: center;
    width: 60%;
    margin-left: auto;
    margin-right: auto;
    /* 添加左内边距，与表格左边对齐 */
    padding-left: 30px;
}

h1 img {
    /* 图标变大两倍 */
    width: 80px;
    height: 80px;
    margin-right: 20px;
}
/* 新添加的小图标样式 */
.popup-icon {
    position: relative;
    top: -7px;
    right:-5px;
    width: 18px;
    height: 18px;
    cursor: pointer;
}
/* 弹出对话框样式 */
.popup {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7); /* 深灰色半透明 */
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.popup-content {
    background-color: rgba(255,255, 255, 0.9);
    padding: 20px;
    width: 600px;
    height: 400px;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
}

.popup-content img {
    background-color: rgba(255,255, 255, 0.9);
    padding: 2px;
    width: 100px;
    height: 100px;
    margin-left: 450px;
}

/* 关闭按钮样式 */
.close-icon {
    position: absolute;
    top: 20px;
    right: 100px;
    color: #888;
    cursor: pointer;
    font-size: 50px;
}

.close-icon:hover {
    color: #333;
}

ul {
    list-style-type: none;
    padding: 0;
    width: 60%;
    /* 减小顶部外边距，这里改为 15px */
    margin: 15px auto;
    background-color: rgba(255, 255, 255, 0.8);
    -webkit-border-top-left-radius: 8px;
    -webkit-border-top-right-radius: 8px;
    -webkit-border-bottom-left-radius: 8px;
    -webkit-border-bottom-right-radius: 8px;
    -moz-border-radius-topleft: 8px;
    -moz-border-radius-topright: 8px;
    -moz-border-radius-bottomleft: 8px;
    -moz-border-radius-bottomright: 8px;
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
    border-bottom-left-radius: 8px;
    border-bottom-right-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

li {
    padding: 15px 20px;
    border-bottom: 1px dashed #999;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.8em;
}

li:first-child {
    -webkit-border-top-left-radius: 8px;
    -webkit-border-top-right-radius: 8px;
    -moz-border-radius-topleft: 8px;
    -moz-border-radius-topright: 8px;
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
}

li:last-child {
    border-bottom: none;
}

li img {
    width: 20px;
    height: 20px;
    margin-right: 15px;
}

li a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s ease;
    cursor: pointer;
}

li a:hover {
    color: #0056b3;
}

.extra-columns {
    display: flex;
    gap: 20px;
    min-width: 360px;
    justify-content: space-between;
}

/* 表头样式 */
.table-header {
    background-color: #e9e9f2;
    font-weight: bold;
    font-size: 0.9em;
    /* 表头字号变小 */
}

.table-header .extra-columns span,
li .extra-columns span {
    min-width: 100px;
    text-align: center;
}

/* 统一表头和表格内容第一列样式，并添加左内边距使其右移 */
.table-header div:first-child,
li div:first-child {
    min-width: 200px;
    display: flex;
    align-items: center;
    padding-left: 10px;
}

/* 右侧三列除表头外文字字号变小 */
li:not(.table-header).extra-columns span {
    font-size: 0.8em;
}

/* 返回顶部按钮样式 */
#back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #007BFF;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    display: none;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

#back-to-top:hover {
    background-color: #0056b3;
}

/* 自定义工具提示框样式 */
.tooltip {
    position: absolute;
    display: none;
    background-color: white;
    border: 1px solid #ccc;
    padding: 5px;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.2);
    z-index: 1000;
}

.tooltip img {
    width: 100px;
    height: auto;
}

.title {
    display: flex;
    align-items: center;
}

.red-text {
    color: red;
}