.about-collapse-section {
            max-width: 900px;
            margin: 0 auto;
            background: white;
            padding: 2rem;
            border-radius: 0.375rem;
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
        }

        .collapse-item {
            border: 1px solid #d1d5db;
            border-radius: 0.375rem;
            margin-bottom: 1rem;
            overflow: hidden;
        }

        .collapse-button {
            width: 100%;
            background-color: #2f4668;
            color: white;
            padding: 1rem;
            border: none;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 1.125rem;
            font-weight: bold;
            transition: opacity 0.3s;
        }

        .collapse-button:hover {
            opacity: 0.9;
        }

        .collapse-chevron {
            display: inline-block;
            transition: transform 0.3s;
            width: 24px;
            height: 24px;
        }

        .collapse-chevron.open {
            transform: rotate(180deg);
        }

        .collapse-content {
            display: none;
            background-color: #f9fafb;
            padding: 1.5rem;
            color: #555;
            line-height: 1.8;
        }

        .collapse-content.open {
            display: block;
        }

        .collapse-content p {
            margin-bottom: 1rem;
        }

        .collapse-content p:last-child {
            margin-bottom: 0;
        }

        .collapse-content ul {
            margin-left: 1.5rem;
            margin-bottom: 1rem;
        }

        .collapse-content li {
            margin-bottom: 0.5rem;
        }

        .back-to-home {
            margin-bottom: 2rem;
        }

        .back-to-home a {
            color: #2f4668;
            text-decoration: none;
            font-weight: 500;
            transition: opacity 0.3s;
        }

        .back-to-home a:hover {
            opacity: 0.8;
        }

.about-divider {
    width: 40px;
    border: 0;
    height: 2px;
    background: rgba(18.4, 27.5, 40.8, 0.7);
    margin: 0.75rem auto;
    border-radius: 1px;
}