.useful-block-header {
    color: #000000;
    font-weight: 700;
    text-align: center;
}

.useful-card-custom {
    border-radius: 12px;
    overflow: hidden;
}

.useful-element-title {
    color: #000000;
    font-weight: 600;
    transition: color 0.3s ease;
    text-decoration: none;
}

.useful-element-title:hover,
.uk-card-hover:hover .useful-element-title {
    color: #258844;
    text-decoration: none;
}

.useful-download-link {
    color: #000000;
    font-weight: 600;
    text-decoration: none;
    border-bottom: 1px dotted #000000;
    transition: color 0.3s ease, border-color 0.3s ease;
    display: inline-block;
}

.useful-download-link:hover {
    color: #01AA52;
    border-bottom-color: #01AA52;
    text-decoration: none;
}

.cls-1 {
    fill: #ff402f;
}

.useful-video-container {
    position: relative;
    padding-bottom: 65%;
    height: 0;
    overflow: hidden;
}

.useful-video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.useful-contain-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
}

.useful-detail-banner {
    max-height: 500px;
    object-fit: cover;
    object-position: center top;
}

.useful-block-header {
    color: #000000;
    font-weight: 700;
    font-size: 1.5rem;
    line-height: 1.2;
}

h2.useful-block-header {
    text-align: center;
}

.useful-block-desc {
    font-size: 18px;
    line-height: 1.6;
}

.useful-navbar-black {
    background-color: #222222;
    border-radius: 12px;
    transition: all 0.3s ease-in-out;
}

.uk-navbar-sticky .useful-navbar-black {
    border-radius: 0 0 12px 12px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.useful-navbar-black,
ul.uk-navbar-nav.useful-nav-list > li > .useful-nav-link {
    min-height: 48px;
    height: 48px;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 13px;
    letter-spacing: 0.05em;
}

ul.uk-navbar-nav.useful-nav-list > li > .useful-nav-link {
    color: #ffffff;
    opacity: 0.8;
    transition: all 0.2s ease;
}

ul.uk-navbar-nav.useful-nav-list > li > .useful-nav-link:hover {
    color: #ffffff;
    opacity: 1;
}

ul.uk-navbar-nav.useful-nav-list > li.uk-active > .useful-nav-link {
    color: #01AA52;
    opacity: 1;
}

ul.uk-navbar-nav.useful-nav-list > li.uk-active {
    position: relative;
}
ul.uk-navbar-nav.useful-nav-list > li.uk-active::after {
    content: "";
    position: absolute;
    bottom: 8px;
    left: 20px;
    right: 20px;
    height: 2px;
    background: #01AA52;
}

@media all and (max-width:960px) {
    .useful-nav-list .useful-nav-link {
        color: #fff;
        padding: 12px 15px;
    }
}

@media all and (max-width:960px) {
    .useful-nav-list {
        flex-direction: column;
        align-items: center;
        padding: 15px 0;
    }
    .useful-nav-item {
        width: 100%;
        text-align: center;
    }
    .useful-nav-list .useful-nav-link {
        height: auto;
        min-height: 42px;
        padding: 8px 15px;
        justify-content: center;
        font-size: 13px;
        letter-spacing: 0.5px;
    }
}

.useful-modal-dialog.uk-modal-body {
    padding: 35px 15px 15px 15px;
}

@media (min-width: 640px) {
    .useful-modal-dialog.uk-modal-body {
        padding: 30px;
    }
}