/* 顶级教育 UI 样式 */
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: "Segoe UI", "Microsoft YaHei", -apple-system, sans-serif;
    background: #F1F5F9;
    color: #1E293B;
    line-height: 1.8;
    }
.container { margin: 20px; }
.card {
    background: #ffffff;
    border-radius: 20px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    padding: 50px;
    border: 1px solid #E2E8F0;
}
h1 {
    text-align: center;
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 30px;
    color: #0F172A;
    letter-spacing: -0.025em;
}
p {
    font-size: 17px;
    color: #334155;
    margin-bottom: 20px;
    text-align: justify;
}
.highlight {
    color: #2563EB;
    font-weight: 600;
}

/* 专业表格样式 */
table.data-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin: 30px 0;
    border: 1px solid #E2E8F0;
    border-radius: 12px;
    overflow: hidden;
}
table.data-table thead td {
    background: #F8FAFC;
    font-weight: 700;
    color: #475569;
    border-bottom: 2px solid #E2E8F0;
    padding: 16px;
}
table.data-table tbody td {
    padding: 14px 16px;
    border-bottom: 1px solid #F1F5F9;
    background: #fff;
}
table.data-table tr:hover td {
    background: #F8FAFC;
}
.code-tag {
    font-family: "Courier New", Courier, monospace;
    background: #EEF2FF;
    color: #1E40AF;
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 600;
}

/* 响应式适配 */
@media (max-width: 768px) {
    .card { padding: 30px; }
    h1 { font-size: 24px; }
}