.activity {
    padding: 10px 0;
}

.activity .container > .row {
    border: 1px solid #e3dfdf;
    padding-bottom: 15px;
}

.activity .container > .row > .col-12 {
    padding: 0;
}

.activity .container > .row > .col-lg-4 {
    border-left: 1px solid #e3dfdf;
}

.activity-main .cls_img_hot_news img {
    height: 420px;
    object-fit: cover;
}

.activity-main .bp_block_item {
       background: linear-gradient(135deg, #f8f5ff 0%, #ffffff 50%, #f0f0f8 100%);
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(111, 66, 193, 0.1);
    margin-bottom: 20px;
    transition: all 0.3s ease;
    border: 1px solid rgba(111, 66, 193, 0.1);
    overflow: hidden;
}
.activity-main .bp_block_item:hover {
    box-shadow: 0 8px 20px rgba(111, 66, 193, 0.15);
}
.activity-main .cls_img_hot_news {
    background: rgba(255, 255, 255, 0.8);
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 15px;
}

.activity-main .bp_hot_news_img img {
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}
.activity-main .cls_content_hot_news {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 8px;
    padding: 20px;
    backdrop-filter: blur(10px);
}

.activity-main .bp_news_info {
    display: none;
}

.activity-main .cls_img_hot_news {
    padding: 0;
}

.activity-main .cls_img_hot_news img {
    border-radius: 0;
}

.activity-main .cls_content_hot_news {
    padding: 20px;
}

.activity-main .news_title {
    font-size: 21px;
    line-height: 25px;
    margin: 0 0 6px 0;
}

.activity-main .news_title a {
    color: #111111;
}

.activity-main .bp-news-button-action {
    margin-top: 20px;
}

.activity-main .bp_news_more {
    background: linear-gradient(to right, #7d3c98, #9b59b6, #8e44ad);
    color: #fff;
    display: inline-block;
    font-size: 13px;
    font-weight: 500;
    line-height: 1;
    padding: 10px 15px;
    transition: background-color 0.4s;
}

.activity-main .bp_news_sub {
    margin-top: 20px;
}

.activity-main .bp_news_sub p {
    font-size: 13px;
    color: #777;
    font-family: "Open Sans", arial, sans-serif;
}

.bp_m_90695 {
    border: 1px solid #e3dfdf;
}

#carousel_fav img {
    object-fit: cover;
}

.ibc .bp_news_info,
.ibc .bp-news-button-action,
.owl-dots {
    display: none;
}

.ibc .card {
    box-shadow: unset !important;
}

.gallery-container .gallery {
    max-width: 100%;
    padding: 0;
}

.participate {
    padding: 50px 0;
}

.participate-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 10px;
    margin-top: 40px;
}

.participate-card {
    background-color: #ffffff;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.participate-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background-color: #8e44ad;
    transition: height 0.3s ease;
}

.participate-card:hover::before {
    height: 10px;
}

.participate-card:hover {
    transform: translateY(-5px);
}

.participate-icon {
    font-size: 3rem;
    color: #8e44ad;
    margin-bottom: 20px;
    display: none;
}

.participate-title {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #e84393;
}

.participate-desc {
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.steps {
    text-align: left;
    margin-top: 20px;
}

.step {
    display: flex;
    margin-bottom: 15px;
    align-items: center;
}

.step-number {
    width: 30px;
    height: 30px;
    background-color: #8e44ad;
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    flex-shrink: 0;
}

.step-text {
    font-size: 0.9rem;
}

.participate-btn {
    display: inline-block;
    padding: 12px 25px;
    background-color: #8e44ad;
    color: #ffffff;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-weight: bold;
    margin-top: 15px;
}

.participate-btn:hover {
    background-color: #e84393;
    transform: translateY(-3px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.section {
    padding: 60px 0;
    margin-bottom: 40px;
}

.section-bg {
    background-color: #ffffff;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    padding: 30px;
}

.participate h2 {
    color: #8e44ad;
    text-align: center;
    margin-bottom: 40px;
    font-size: 2.5rem;
    position: relative;
    padding-bottom: 15px;
}

.participate h2::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background-color: #e84393;
}

.participate h3 {
    color: #e84393;
    margin-bottom: 20px;
    font-size: 1.8rem;
    position: relative;
    padding-left: 15px;
}

.participate h3::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 5px;
    background-color: #e84393;
}

.participate p {
    margin-bottom: 20px;
    text-align: justify;
}

.intro-text {
    display: flex;
    flex-direction: column;
}

.intro-content .bp_hot_news_img a {
    display: inline-block;
    width: 100%;
    height: 100%;
}

.intro-content .bp_hot_news_img {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

@media screen and (max-width:768px) {
    .activity-main .cls_img_hot_news img {
        height: 300px;
    }
    .activity-main .bp-news-button-action {
        margin-bottom: 20px;
    }
}
/* 1. Hiệu ứng hover cho title bài viết */
.activity-main .news_title a {
    transition: color 0.3s ease, text-decoration 0.3s ease;
}

.activity-main .news_title a:hover {
    color: #8e44ad;
    text-decoration: underline;
}

/* 2. Hiệu ứng hover cho button "Xem thêm" */
.activity-main .bp_news_more {
    background: linear-gradient(90deg, #7d3c98, #9b59b6, #8e44ad);
    background-size: 200% 100%;
    transition: background-position 0.3s ease;
}

.activity-main .bp_news_more:hover {
    background-position: 100% 0;
}

/* 3. Hiệu ứng hover cho card "participate-card" */
.participate-card {
    transition: all 0.3s ease, box-shadow 0.3s ease;
}

.participate-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}