.about-main {
    min-height: 690px;
    padding-top: 28px;
}

.about-container {
    display: flex;
    gap: 16px;
    align-items: stretch;
}

.about-sidebar-menu {
    width: 185px;
    flex: 0 0 185px;
}

.sidebar-menu-list {
    overflow: hidden;
    border: 1px solid #ececec;
}

.sidebar-menu-item + .sidebar-menu-item {
    border-top: 1px solid #fff;
}

.sidebar-menu-link {
    display: flex;
    min-height: 76px;
    align-items: center;
    justify-content: center;
    padding: 12px 18px;
    background: #f0f0f2;
    color: #3d3d3d;
    font-size: 1.05rem;
    letter-spacing: 0.08em;
    text-align: center;
}

.sidebar-menu-link:hover {
    background: #e8e8ea;
}

.sidebar-menu-link.active {
    background: var(--gradient-red-orange);
    color: #fff;
}

.about-content-area {
    min-width: 0;
    flex: 1;
    background: #fff;
}

.about-banner {
    width: 100%;
    height: 105px;
    margin-bottom: 24px;
    background-position: center;
    background-size: cover;
}

.about-text-content {
    padding: 0 26px 30px 6px;
    color: #555;
    font-size: 1.02rem;
    line-height: 2.05;
}

.about-text-content p {
    margin-bottom: 24px;
    text-align: justify;
    text-indent: 2em;
}

@media (max-width: 768px) {
    .about-main {
        min-height: 0;
        padding-top: 20px;
    }

    .about-container {
        flex-direction: column;
    }

    .about-sidebar-menu {
        width: 100%;
        flex-basis: auto;
    }

    .sidebar-menu-list {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .sidebar-menu-item + .sidebar-menu-item {
        border-top: 0;
        border-left: 1px solid #fff;
    }

    .sidebar-menu-link {
        min-height: 54px;
        padding: 8px;
        font-size: 0.9rem;
        letter-spacing: 0;
    }

    .about-banner {
        height: 90px;
        margin-bottom: 18px;
    }

    .about-text-content {
        padding: 0 4px 10px;
        font-size: 1rem;
        line-height: 1.9;
    }
}