/* Reset */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

.content h2 {
    font-size: 30px;
    font-weight: 600;
    color: #4228d3;
    margin-top: 24px;
    margin-bottom: 12px;
    padding-bottom: 4px;
}

.highlight-text {
    color: #b3460b;
    font-size: 20px;
    background-color: #f9f2f4; /* 可选：加个背景 */
    padding: 6px;
    display: inline-block;
}

body {
    font-family: Calibri, sans-serif;
    line-height: 2;
    font-size: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: #ecefef;
}

/* 主容器宽度用 px 替换 210mm，210mm ≈ 794px */
.content {
    width: 800px;              /* 约等于 210mm */
    max-width: 98vw;           /* 保证小屏幕下不会溢出 */
    background-color: #fff;
    padding: 20px;
    margin: 20px 0;
    box-shadow: 0 0 5px rgba(0,0,0,0.1);
}

/* Logo */
.logo-container {
    width: 800px;
    max-width: 98vw;
    height: 151px;             /* 40mm ≈ 151px */
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    margin-top: 20px;
    background-color: #a6d6e7;
}

.logo-img {
    width: 800px;
    max-width: 98vw;
    height: auto;
    max-height: 151px;
    object-fit: fill;
}

/* 导航栏 */
.navbar {
    width: 800px;
    max-width: 98vw;
    background-color: #333;
    margin-top: 10px;
}

.navbar ul {
    display: flex;
    list-style: none;
}

.navbar li {
    flex: 1;
    text-align: center;
}

.navbar a {
    display: block;
    padding: 12px;
    color: #fff;
    text-decoration: none;
    transition: background 0.3s;
}

.navbar a:hover,
.navbar a.active {
    background-color: #555;
}

/* 内容图像 */
.contain-img {
    width: 100%;
    height: auto;
    max-width: 720px;
    object-fit: contain;
    display: block;
    margin: 0 auto;
}

.content a {
    color: #0066cc;           /* 普通状态颜色 */
    font-weight: bold;        /* 加粗（可选） */
}


/* 数据集表格 */
.dataset-table {
    width: 800px;
    max-width: 98vw;
    margin: 20px auto;
    font-size: 15px;
}

.table-caption {
    text-align: center;
    margin-bottom: 8px;
}

.dataset-table table {
    width: 100%;
    border-collapse: collapse;
    border: 1px solid #ccc;
    background-color: #fff;
}

.dataset-table th,
.dataset-table td {
    border: 0px solid #ccc;
    padding: 4px 8px;
    vertical-align: top;
    text-align: left;
}

.dataset-table th {
    background-color: #f2f2f2;
    text-align: center;
    font-weight: bold;
}

/* 无序列表*/
.content ul {
    margin: 0 0 1em 0;
    padding-left: 1.5em;
}

.content li {
    margin-bottom: 0.5em;
}