query($sql);
$reports = $result ? $result->fetch_all(MYSQLI_ASSOC) : [];
$mysqli->close();
// Group by subject_type for organization
$groups = [];
foreach ($reports as $r) {
$type = $r['subject_type'] ?: '其他';
$groups[$type][] = $r;
}
?>
宏观研究
$items): ?>