.mobile-menu-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    /* Use flex to control direction easily */
    flex-direction: column;
    /* Ensure vertical layout */
}

.mobile-menu-list li {
    margin-bottom: 10px;
    display: block;
}

.mobile-menu-list li a {
    text-decoration: none;
    display: block;
    width: 100%;
}

/* Submenu handling - simple indentation for now */
.mobile-menu-list .sub-menu {
    list-style: none;
    padding-left: 20px;
    margin-top: 5px;
    display: none;
    /* Hide by default, maybe add JS for toggle if requested, but for now specific request was just "list" */
    height: 0;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

/* Simple hover reveal for submenus or always show?
   "Mobile version" usually implies tap to open or always visible if simple.
   Let's check the user request: "в виде списка столбаком" (as a list in a column).
   It doesn't explicitly say "accordion" or "dropdown". 
   Often mobile menus show everything or use toggles.
   For now, let's make submenus visible to be safe, or add a class to show them.
   Or even better, just display: block for submenus too so it's a full list.
*/

.mobile-menu-list .sub-menu {
    display: block !important;
    height: auto !important;
    opacity: 1 !important;
    visibility: visible !important;
    margin-left: 15px;
    /* Indent submenus */
}