.card {
            transition: all 0.2s;
            user-select: none;
        }
        .card:hover {
            transform: translateY(-10px);
            z-index: 10;
        }
        .card.selected {
            transform: translateY(-20px);
            box-shadow: 0 0 15px rgba(249, 115, 22, 0.6);
            border-color: #f97316;
            z-index: 20;
            position: relative;
        }
        #my-hand {
            padding-top: 20px; /* 为上浮留出空间 */
        }
        .player-active {
            border: 2px solid #f97316;
            box-shadow: 0 0 10px rgba(249, 115, 22, 0.3);
        }
        .animate-explode {
            animation: explode 0.5s ease-in-out;
        }
        @keyframes explode {
            0% { transform: scale(1); }
            50% { transform: scale(1.5); opacity: 1; }
            100% { transform: scale(2); opacity: 0; }
        }
        /* Custom scrollbar for card area */
        .cards-scroll::-webkit-scrollbar {
            height: 8px;
        }
        .cards-scroll::-webkit-scrollbar-track {
            background: #f1f5f9;
            border-radius: 4px;
        }
        .cards-scroll::-webkit-scrollbar-thumb {
            background: #cbd5e1;
            border-radius: 4px;
        }
        .cards-scroll::-webkit-scrollbar-thumb:hover {
            background: #94a3b8;
        }
        .scrollbar-hide::-webkit-scrollbar {
            display: none;
        }
        .scrollbar-hide {
            -ms-overflow-style: none;
            scrollbar-width: none;
        }
        /* Draw Card Animation */
        .draw-anim-container {
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            z-index: 100;
            pointer-events: none;
            animation: popInAndOut 1.5s forwards;
        }
        @keyframes popInAndOut {
            0% { transform: translate(-50%, -50%) scale(0.5); opacity: 0; }
            20% { transform: translate(-50%, -50%) scale(1.5); opacity: 1; }
            70% { transform: translate(-50%, -50%) scale(1.5); opacity: 1; }
            100% { transform: translate(-50%, 50%) scale(0.5); opacity: 0; }
        }