.container {
            max-width: 900px;
            margin: 60px auto 40px;
            padding: 0 20px;
        }

        .container h2 {
            font-size: 32px;
            color: #333;
            margin-bottom: 40px;
            text-align: center;
            font-weight: 600;
            position: relative;
        }

        .container h2::after {
            content: '';
            position: absolute;
            bottom: -12px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, #16a085, #1abc9c);
            border-radius: 2px;
        }

        .update-item {
            background: #fff;
            border-radius: 12px;
            padding: 24px 30px;
            margin-bottom: 20px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
            border-left: 4px solid #16a085;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .update-item::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, rgba(22, 160, 133, 0.05), transparent);
            border-radius: 0 12px 0 100%;
        }

        .update-item:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(22, 160, 133, 0.15);
            border-left-color: #1abc9c;
        }

        .update-item h4 {
            font-size: 18px;
            color: #16a085;
            margin: 0 0 12px 0;
            font-weight: 600;
            display: flex;
            align-items: center;
        }

        .update-item h4::before {
            content: '📅';
            margin-right: 10px;
            font-size: 16px;
        }

        .update-item p {
            color: #555;
            line-height: 1.8;
            margin: 0;
            font-size: 15px;
        }

        @media (max-width: 768px) {
            .container {
                margin: 40px auto 20px;
                padding: 0 15px;
            }

            .container h2 {
                font-size: 26px;
                margin-bottom: 30px;
            }

            .update-item {
                padding: 18px 22px;
            }

            .update-item h4 {
                font-size: 16px;
            }

            .update-item p {
                font-size: 14px;
            }
        }