Revert "Revert "Update search.php""

This reverts commit ef411cef40ce283d1896db7df228d952c6571002.
Revert "Revert "Update style_search.css""

This reverts commit 20ce0b4e55972c3e312c5aa309d9435031abdbe1.
Revert "Revert "Update head.php""

This reverts commit 7a07413d4a1a5404df91d89a7a6fe443bdb3eb35.
Revert "Revert "fix разворачивание категорий""

This reverts commit a4b31d39f4772954b1dff00043fe5df250c75980.