.announcement-overlay-wrapper {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(168, 85, 247, 0.1));
            backdrop-filter: blur(8px);
            z-index: 9999;
            animation: announcement-fade-in 0.4s ease-in-out;
        }

        .announcement-overlay-wrapper.announcement-active {
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 20px;
        }

        @keyframes announcement-fade-in {
            from {
                opacity: 0;
            }
            to {
                opacity: 1;
            }
        }

        .announcement-popup-container {
            background: linear-gradient(145deg, #ffffff, #f8f9ff);
            border-radius: 0px;
            max-width: 550px;
            width: 100%;
            max-height: 90vh;
            overflow: hidden;
            box-shadow: 0 20px 60px rgba(99, 102, 241, 0.3), 0 0 0 1px rgba(99, 102, 241, 0.1);
            position: relative;
            animation: announcement-slide-up 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
        }

        @keyframes announcement-slide-up {
            from {
                transform: translateY(60px) scale(0.9);
                opacity: 0;
            }
            to {
                transform: translateY(0) scale(1);
                opacity: 1;
            }
        }

        .announcement-close-btn {
            position: absolute;
            top: 20px;
            right: 20px;
            background: rgba(255, 255, 255, 0.95);
            border: 2px solid rgba(99, 102, 241, 0.2);
            width: 40px;
            height: 40px;
            border-radius: 50%;
            cursor: pointer;
            font-size: 24px;
            line-height: 1;
            color: #6366f1;
            transition: all 0.3s ease;
            z-index: 10;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 12px rgba(99, 102, 241, 0.15);
        }

        .announcement-close-btn:hover {
            background: #6366f1;
            color: white;
            transform: rotate(90deg) scale(1.1);
            box-shadow: 0 6px 20px rgba(99, 102, 241, 0.3);
        }

        .announcement-image-container {
            width: 100%;
            height: 280px;
            overflow: hidden;
            position: relative;
        }

        .announcement-image-container::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 100px;
            background: linear-gradient(to top, rgba(248, 249, 255, 1), transparent);
        }

        .announcement-image-container img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .announcement-content-wrapper {
            padding: 30px 35px 35px;
            overflow-y: auto;
            max-height: calc(90vh - 280px);
        }

        .announcement-title-text {
            font-size: 28px;
            font-weight: 800;
            background: linear-gradient(135deg, #6366f1, #a855f7);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin: 0 0 20px 0;
            line-height: 1.3;
        }

        .announcement-meta-info {
            display: flex;
            gap: 12px;
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .announcement-date-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: #6366f1;
            background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(168, 85, 247, 0.1));
            padding: 8px 16px;
            border-radius: 20px;
            border: 1px solid rgba(99, 102, 241, 0.2);
        }

        .announcement-important-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            color: white;
            background: linear-gradient(135deg, #ef4444, #dc2626);
            padding: 8px 16px;
            border-radius: 20px;
            font-weight: 700;
            box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
            animation: announcement-pulse 2s infinite;
        }

        @keyframes announcement-pulse {
            0%, 100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.05);
            }
        }

        .announcement-description-text {
            font-size: 16px;
            line-height: 1.8;
            color: #374151;
            margin: 0;
            font-weight: 400;
        }

        .announcement-decorative-line {
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, #6366f1, #a855f7);
            border-radius: 2px;
            margin-bottom: 20px;
        }

        @media (max-width: 600px) {
            .announcement-popup-container {
                border-radius: 20px;
            }
            
            .announcement-image-container {
                height: 200px;
            }
            
            .announcement-content-wrapper {
                padding: 25px;
            }
            
            .announcement-title-text {
                font-size: 24px;
            }
            
            .announcement-description-text {
                font-size: 15px;
            }
        }