.category-perex {
    background: #f7f9fc;
    border: 1px solid #dfe6ef;
    border-radius: 10px;
    padding: 20px 22px;
    margin-bottom: 26px;
    box-shadow: 0 4px 14px rgba(0,0,0,0.04);
    position: relative;
}

.category-perex p {
    line-height: 1.65;
    color: #2b3440;
    margin-bottom: 10px;
}

.category-perex strong {
    color: #1f2d3d;
}

.category-perex a:not(.read-more):not(.hide-description) {
    color: #1e73be;
    font-weight: 500;
    text-decoration: none;
}

.category-perex a:not(.read-more):not(.hide-description):hover {
    text-decoration: underline;
}

.category-perex .read-more,
.category-perex .hide-description {
    display: inline-block;
    margin-left: 8px;
    margin-bottom: 2px;
    padding: 3px 8px;
    font-size: 12.5px;
    font-weight: 600;
    border-radius: 6px;
    background: #eaf2fb;
    color: #1e73be !important;
    border: 1px solid #cfe0f5;
    text-decoration: none;
    cursor: pointer;
    transition: background .15s ease, border-color .15s ease;
}

.category-perex .read-more:hover,
.category-perex .hide-description:hover {
    background: #dceafb;
    border-color: #bcd3f0;
    transform: none;
}

.category-perex .hidden-content {
    margin-top: 8px;
    padding-top: 14px;
    border-top: 1px dashed #e3e8ef;
}

.category-perex h2 {
    font-size: 1.6em;
    margin-top: 30px;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 2px solid #2f6fed;
    color: #1f2d3d;
}

.category-perex h3 {
    font-size: 1.25em;
    margin-top: 22px;
    margin-bottom: 12px;
    padding-bottom: 6px;
    border-bottom: 1px solid #e3e8ef;
    color: #2c3e50;
}

.category-perex ul {
    padding-left: 22px;
    margin-bottom: 18px;
}

.category-perex li {
    margin-bottom: 8px;
}

@media (max-width: 768px) {

    .category-perex {
        padding: 14px;
        border-radius: 8px;
    }

    .category-perex p {
        line-height: 1.55;
    }

    .category-perex h2 {
        font-size: 1.2em;
    }

    .category-perex h3 {
        font-size: 1.09em;
    }

    .category-perex .read-more,
    .category-perex .hide-description {
        margin: 6px 0 0 0;
    }
}