.book-theme{--movie-surface:#5b7d84;background:radial-gradient(circle at 12% 12%,#ffffff4d 0%,#0000 42%),radial-gradient(circle at 86% 18%,#ecfaff4d 0%,#0000 44%),linear-gradient(160deg,#d8eef0 0%,#cfe8ec 45%,#c4e1e7 100%)}