.news-detail-main {
    width: min(1180px, 92%);
    margin: 0 auto;
    padding: 45px 0 70px;
    color: #10356f;
}

.news-detail-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 350px;
    gap: 48px;
    align-items: start;
}

.breadcrumb {
    color: #0057d9;
    font-size: 14px;
    margin-bottom: 35px;
}

.breadcrumb a {
    color: inherit;
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.article-meta {
    display: flex;
    gap: 18px;
    align-items: center;
    color: #41639a;
    font-size: 14px;
    margin-bottom: 16px;
}

.article-meta i {
    color: #0057d9;
    margin-right: 8px;
}

.article-category {
    background: #e9f2ff;
    color: #0057d9;
    padding: 5px 11px;
    border-radius: 7px;
    font-weight: 700;
    font-size: 12px;
}

.news-detail-content h1 {
    max-width: 760px;
    font-size: 36px;
    line-height: 1.18;
    margin: 0 0 18px;
    color: #10356f;
    font-weight: 800;
}

.article-summary {
    max-width: 760px;
    font-size: 17px;
    line-height: 1.6;
    color: #344f82;
    margin: 0 0 28px;
}

.article-image {
    width: 100%;
    object-fit: cover;
    border-radius: 12px;
    display: block;
    margin-bottom: 28px;
}

.article-body {
    max-width: 780px;
}

.article-body p {
    color: #253f72;
    font-size: 16px;
    line-height: 1.75;
    margin: 0 0 18px;
}

.article-body h2,
.article-body h3 {
    color: #10356f;
    margin-top: 30px;
}

.article-body ul {
    padding-left: 22px;
    color: #253f72;
    line-height: 1.7;
}

.article-share {
    display: flex;
    align-items: center;
    gap: 14px;
    margin: 28px 0;
}

.article-share strong {
    font-size: 14px;
}

.article-share a {
    width: 34px;
    height: 34px;
    background: #e9f2ff;
    color: #0057d9;
    border-radius: 50%;
    display: grid;
    place-items: center;
    text-decoration: none;
}

.article-navigation {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border: 1px solid #dce7f6;
    border-radius: 12px;
    overflow: hidden;
    margin-top: 25px;
}

.article-navigation a {
    padding: 18px 22px;
    text-decoration: none;
    color: #10356f;
    background: #fff;
}

.article-navigation a:first-child {
    border-right: 1px solid #dce7f6;
}

.article-nav-empty {
    display: block;
    min-height: 100%;
    background: #fff;
}

.article-navigation span {
    display: block;
    color: #0057d9;
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 7px;
}

.article-navigation strong {
    display: block;
    font-size: 14px;
    line-height: 1.4;
}

.next-article {
    text-align: right;
}

.news-detail-sidebar {
    display: grid;
    gap: 22px;
}

.categories-toggle-btn {
    display: none;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    min-height: 48px;
    margin-bottom: 24px;
    border: none;
    border-radius: 10px;
    background: #0057d9;
    color: #fff;
    font-weight: 700;
    cursor: pointer;
}

.categories-overlay {
    display: none;
}

.categories-mobile-header {
    display: none;
}

.detail-side-card {
    background: #fff;
    border: 1px solid #dce7f6;
    border-radius: 14px;
    padding: 26px;
    box-shadow: 0 14px 35px rgba(21, 67, 130, 0.05);
}

.detail-side-card h3 {
    margin: 0 0 18px;
    color: #10356f;
    font-size: 20px;
    font-weight: 800;
}

.detail-categories {
    list-style: none;
    padding: 0;
    margin: 0;
}

.detail-categories li {
    margin-bottom: 6px;
}

.detail-categories a {
    position: relative;
    display: block;
    padding: 13px 38px 13px 14px;
    border-radius: 9px;
    color: #254d85;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
}

.detail-categories a::after {
    content: "›";
    position: absolute;
    right: 15px;
    color: #0057d9;
    font-size: 20px;
}

.detail-categories li.active a,
.detail-categories a:hover {
    background: #e7f1ff;
    color: #0057d9;
}

.recent-news {
    display: grid;
    gap: 18px;
}

.recent-item {
    display: grid;
    grid-template-columns: 82px 1fr;
    gap: 14px;
    text-decoration: none;
}

.recent-item img {
    width: 82px;
    height: 62px;
    object-fit: cover;
    border-radius: 8px;
}

.recent-item span {
    display: block;
    font-size: 13px;
    color: #49699e;
    margin-bottom: 5px;
}

.recent-item strong {
    display: block;
    color: #10356f;
    font-size: 14px;
    line-height: 1.35;
}

.all-news-link {
    display: inline-block;
    margin-top: 22px;
    color: #0057d9;
    font-weight: 800;
    text-decoration: none;
    font-size: 14px;
}

@media (max-width: 950px) {
    .news-detail-layout {
        grid-template-columns: 1fr;
    }

    .news-detail-sidebar {
        grid-template-columns: 1fr;
    }

    .categories-toggle-btn {
        display: flex;
    }

    .categories-card {
        position: fixed;
        top: 0;
        right: -100%;
        z-index: 1300;
        width: 340px;
        max-width: 88vw;
        height: 100vh;
        margin: 0;
        overflow-y: auto;
        border-radius: 0;
        transition: right 0.3s ease;
    }

    .categories-card.is-open {
        right: 0;
    }

    .categories-mobile-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-bottom: 18px;
        padding-bottom: 14px;
        border-bottom: 1px solid #dce7f6;
    }

    .categories-mobile-header h3 {
        margin: 0;
    }

    .categories-close {
        border: none;
        background: none;
        font-size: 20px;
        color: #6c7fa3;
        cursor: pointer;
    }

    .categories-card > h3 {
        display: none;
    }

    .categories-overlay.is-open {
        display: block;
        position: fixed;
        inset: 0;
        z-index: 1200;
        background: rgba(16, 40, 80, 0.45);
    }
}

@media (max-width: 700px) {
    .news-detail-main {
        padding: 32px 0 50px;
    }

    .news-detail-content h1 {
        font-size: 28px;
    }

    .article-navigation {
        grid-template-columns: 1fr;
    }

    .article-navigation a:first-child {
        border-right: none;
        border-bottom: 1px solid #dce7f6;
    }

    .next-article {
        text-align: left;
    }

    .news-detail-sidebar {
        grid-template-columns: 1fr;
    }
}

.detail-categories a::after {
    content: ">";
}

.article-navigation .article-nav-empty {
    margin-bottom: 0;
    color: inherit;
}