.hero-hr-about {
    width: 140px;
    height: 4px;
    background-color: #173f38;
    border: none;
    display: block;
    opacity: 1;
    margin: 0.5rem 0 1rem 0;
}

hr.mosaic-slant {

    border: none;
    height: 4px;
    background: repeating-linear-gradient(-45deg,
            #000 0px,
            #000 2px,
            transparent 2px,
            transparent 4px);
    margin: 0 25% 0 5%;
}

.hero-text-container-inner {
    background: #fff;
    padding: 20px;
}

.avatar-img {
    width: 150px;
    height: auto;
    object-fit: cover;
}

.color-1 {
    color: #505050;
}

.color-2 {
    color: #00555f;
}

.placeholder-avatar {
    width: 150px;
    height: 150px;
    background-color: #e9e1de;
    color: #000;
    /* 文字颜色 */
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    font-weight: bold;
    margin: 0 auto;
}


.px-20 {
    padding: 0 150px;
    margin: 0 auto;
}

.video-large-wrapper {
    width: 100%;
    max-width: 100%;
    /* height: 350px; */
    margin-bottom: 2rem;
}

.video-large-wrapper video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.15);
    display: block;
}

.video-small-wrapper {
    width: 180px;
    height: 130px;
    margin-bottom: 1rem;
}

.video-small-wrapper video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    display: block;
}

.video-caption {
    font-size: 14px;
    color: #333;
    margin-top: 0.5rem;
}

.row.g-3 {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: flex-start;
}

.row.g-3 {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
    align-items: flex-start;
}

.video-small-wrapper {
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.video-small-wrapper:hover {
    transform: scale(1.03);
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
}

.video-small-wrapper.active {
    border: 3px solid #007bff;
    border-radius: 8px;
}

@media (max-width: 768px) {

    .px-20 {
        padding: 0 10px;
    }

    .video-large-wrapper {
        height: auto;
        margin-bottom: 1.5rem;
    }

    .video-large-wrapper video {
        width: 100%;
        height: auto;
        border-radius: 4px;
    }

    .video-small-wrapper {
        width: 100%;
        height: auto;
        margin-bottom: 15px;
    }

    .video-small-wrapper video {
        width: 100%;
        height: auto;
        border-radius: 4px;
    }

    .video-caption {
        font-size: 13px;
        text-align: center;
        margin-top: 0.3rem;
    }

    .row.g-3 {
        gap: 0;
        flex-wrap: nowrap;
        flex-direction: column;
    }
}