Luminous dark-fantasy book cover, Sarah J. Maas ACOTAR style, but BRIGHTER and high-contrast with crisp, clearly readable details (not muddy or dark). At the very TOP, small elegant series title in Russian Cyrillic reading "ХРОНИКИ БЕССМЕРТНЫХ ДВОРОВ" in refined thin serif. Just below it, the author name in Russian Cyrillic "ЭЛИС НОКС" in elegant serif. Large centered ornate emblem of a crystalline frozen heart pierced by sharp icicles, surrounded by delicate sparkling frost filigree and snowflakes, sharply detailed and well-lit. Bright icy palette: luminous pale blue, bright silver, white highlights, glowing cold light. Intricate baroque border, clean composition. At the bottom, luxurious gold-foil serif title in Russian Cyrillic "ДВОР ЛЕДЯНЫХ СЕРДЕЦ". Premium fantasy novel cover, symmetrical, sharp focus, high clarity, correct Russian Cyrillic spelling.
