/* LAVUMALL category.php 拆分模組 */
/* 左下方美學浮球 FAB */
        .fab-container { position: fixed; bottom: 30px; left: 25px; z-index: 990; display: flex; flex-direction: column-reverse; align-items: center; gap: 12px; }
        .fab-main-btn { width: 48px; height: 48px; border-radius: 50%; background-color: #0071e3; color: #ffffff; border: none; cursor: pointer; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 14px rgba(0, 113, 227, 0.35); transition: transform 0.25s, background-color 0.3s; }
        .fab-main-btn i { font-size: 18px; transition: transform 0.3s ease; }
        .fab-menu { display: flex; flex-direction: column-reverse; align-items: center; gap: 10px; opacity: 0; pointer-events: none; transform: translateY(15px) scale(0.85); transition: all 0.3s; }
        .fab-container.open .fab-menu { opacity: 1; pointer-events: auto; transform: translateY(0) scale(1); }
        .fab-container.open .fab-main-btn i { transform: rotate(135deg); }
        .fab-item { width: 40px; height: 40px; border-radius: 50%; background-color: rgba(255, 255, 255, 0.95); backdrop-filter: blur(8px); color: #1d1d1f; border: 1px solid rgba(229, 229, 231, 0.8); cursor: pointer; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08); transition: transform 0.2s, background-color 0.2s, color 0.2s; font-size: 15px; }