.announcement-container {
            font-family: 'Open Sans', Arial, sans-serif;
            margin-top: 30px;
            margin-bottom: 50px;
        }

        .announcement-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 30px;
        }

        .announcement-header h2 {
            font-size: 28px;
            color: #333;
            font-weight: 300;
        }
        
        .announcement-header .sidebar-title {
            font-size: 28px;
            color: #7ab4c8;
            font-weight: 300;
        }

        .announcement-item {
            display: flex;
            border-bottom: 1px solid #eee;
            padding-bottom: 20px;
            margin-bottom: 20px;
            position: relative;
        }

        .announcement-image {
            width: 120px;
            height: 120px;
            border: 1px solid #ddd;
            border-radius: 4px;
            padding: 5px;
            margin-right: 20px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .announcement-image img {
            max-width: 100%;
            max-height: 100%;
        }

        .announcement-content h4 a {
            color: #2b91c8;
            font-size: 18px;
            text-decoration: none;
            margin-bottom: 10px;
            display: inline-block;
        }

        .announcement-content h4 a:hover {
            text-decoration: underline;
        }

        .announcement-content p {
            color: #777;
            font-size: 13px;
            line-height: 1.6;
        }

        .announcement-footer {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            margin-top: 15px;
        }

        .announcement-date {
            color: #999;
            font-size: 13px;
        }


        .sidebar-text {
            color: #777;
            font-size: 13px;
            line-height: 1.6;
            margin-bottom: 20px;
        }

        .sidebar-stat {
            color: #555;
            font-size: 13px;
            margin-bottom: 20px;
        }

        .sidebar-form {
            border-top: 1px solid #eee;
            padding-top: 20px;
        }

        .sidebar-btn-group {
            margin-top: 15px;
            display: flex;
            justify-content: flex-end;
            gap: 10px;
        }