@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&family=Montserrat:wght@400;600;700;900&display=swap');
        
        /* 独立模块作用域：完全隔离外部样式 */
        #ita-event-module {
            font-family: 'Inter', sans-serif !important;
            color: #1E1B18 !important;
        }
        #ita-event-module .sidebar-item.active {
            border-left: 4px solid #3E92CC !important;
            background-color: rgba(62, 146, 202, 0.1) !important;
        }
        #ita-event-module .content-section {
            display: none !important;
        }
        #ita-event-module .content-section.active {
            display: block !important;
            animation: fadeIn 0.5s ease-in-out !important;
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }