Форум

$assets = \Bitrix\Main\Page\Asset::getInstance();

$assets->addCss(SITE_TEMPLATE_PATH . '/css/body.css');
$assets->addCss(SITE_TEMPLATE_PATH . '/css/mobile.css');

$assets->addJs(SITE_TEMPLATE_PATH . '/scr/jquery.js');
$assets->addJs(SITE_TEMPLATE_PATH . '/scr/scripts.js');
        
$APPLICATION->ShowHeadStrings();
$APPLICATION->ShowHeadScripts();

<?
$GLOBALS["APPLICATION"]->MoveJSToBody('main');
$APPLICATION->ShowBodyScripts();

// Подключаем css в футере
$APPLICATION->ShowCSS(true);
?>