body { font-family: 'Inter', sans-serif; }
        
        /* 品牌色定义 */
        .text-brand { color: #F0081E; }
        .bg-brand { background-color: #F0081E; }
        .border-brand { border-color: #F0081E; }
        .decoration-brand { text-decoration-color: #F0081E; }
        
        /* 呼吸灯动画 - 适配红色光晕 */
        .breath-animation { animation: breathe 4s ease-in-out infinite; }
        @keyframes breathe {
            0% { transform: scale(1); filter: drop-shadow(0 10px 15px rgba(240, 8, 30, 0.1)); }
            50% { transform: scale(1.02); filter: drop-shadow(0 20px 25px rgba(240, 8, 30, 0.2)); }
            100% { transform: scale(1); filter: drop-shadow(0 10px 15px rgba(240, 8, 30, 0.1)); }
        }

        /* 视频背景光晕动画 */
        .video-glow { animation: glow 4s ease-in-out infinite alternate; }
        @keyframes glow {
            from { opacity: 0.15; transform: scale(0.95); }
            to { opacity: 0.3; transform: scale(1.05); }
        }