.page-hero {
    position: relative;
    padding: 80px 0 70px;
    text-align: center;
    color: var(--white);
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    min-height: 280px;
    display: flex;
    align-items: center;
}
.page-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(10,22,40,0.8) 0%, rgba(26,82,118,0.6) 50%, rgba(0,0,0,0.4) 100%);
    z-index: 1;
}
.page-hero .container {
    position: relative;
    z-index: 2;
}
.page-hero h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}
.page-hero p {
    font-size: 1rem;
    color: rgba(255,255,255,0.85);
    max-width: 640px;
    margin: 0 auto;
}
.page-breadcrumb {
    padding: 12px 0;
    background: var(--gray-100);
    border-bottom: 1px solid var(--gray-200);
}
.page-breadcrumb .container {
    font-size: 0.85rem;
    color: var(--gray-500);
}
.page-breadcrumb .container a {
    color: var(--primary);
}
.page-breadcrumb .container a:hover {
    text-decoration: underline;
}
.page-breadcrumb .container .sep {
    color: var(--gray-300);
    margin: 0 8px;
}
.news-detail-section {
    background: var(--gray-100);
    padding: 40px 0 60px;
}
.news-detail-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 40px;
}
.news-detail-main {
    background: var(--white);
    border-radius: 8px;
    border: 1px solid var(--gray-200);
    overflow: hidden;
}
.news-detail-body-wrapper {
    padding: 30px 32px 20px;
}
.news-detail-header {
    display: flex;
    align-items: center;
    gap: 20px;
    font-size: 0.85rem;
    color: var(--gray-500);
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--gray-200);
}
.news-detail-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 16px;
    line-height: 1.25;
}
.news-detail-body {
    font-size: 1rem;
    color: var(--gray-600);
    line-height: 1.8;
}
.news-detail-body p {
    margin-bottom: 16px;
}
.news-detail-body img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
    margin: 16px 0;
}
.news-detail-body ul,
.news-detail-body ol {
    padding-left: 24px;
    margin: 12px 0 16px;
}
.news-detail-body li {
    margin-bottom: 6px;
}
.news-detail-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
    font-size: 0.92rem;
}
.news-detail-body table thead th {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 10px 14px;
    text-align: left;
    font-weight: 600;
}
.news-detail-body table tbody td {
    padding: 8px 14px;
    border-bottom: 1px solid var(--gray-200);
}
.news-detail-body table tbody tr:nth-child(even) {
    background: var(--gray-100);
}
.news-detail-body table tbody tr:hover {
    background: var(--primary-light);
}
.news-detail-footer {
    border-top: 1px solid var(--gray-200);
    padding: 20px 32px 24px;
}
.news-detail-keywords {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    font-size: 0.85rem;
    color: var(--gray-500);
}
.news-detail-keywords .keywords-label {
    font-weight: 600;
    color: var(--gray-700);
}
.news-detail-keywords .keywords-value {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 4px;
}
.news-detail-keywords .keyword-link {
    display: inline-block;
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s ease;
}
.news-detail-keywords .keyword-link:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}
.news-detail-navigation {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    border-top: 1px solid var(--gray-200);
    padding: 24px 32px 20px;
}
.news-detail-navigation .nav-prev {
    text-align: left;
}
.news-detail-navigation .nav-next {
    text-align: right;
}
.news-detail-navigation .nav-label {
    display: block;
    font-size: 0.7rem;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}
.news-detail-navigation .nav-link {
    font-size: 0.9rem;
    color: var(--primary);
    transition: var(--transition);
}
.news-detail-navigation .nav-link:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}
.news-detail-navigation .nav-link.disabled {
    color: var(--gray-400);
    cursor: default;
}
.news-detail-navigation .nav-link.disabled:hover {
    color: var(--gray-400);
    text-decoration: none;
}
.news-detail-related {
    border-top: 1px solid var(--gray-200);
    padding: 30px 32px 32px;
}
.news-detail-related .related-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 16px;
}
.news-detail-related .related-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}
.news-detail-related .related-item {
    background: var(--white);
    border-radius: 4px;
    overflow: hidden;
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
    text-decoration: none;
    color: inherit;
}
.news-detail-related .related-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
    text-decoration: none;
}
.news-detail-related .related-item .related-image {
    height: 120px;
    overflow: hidden;
    background: var(--gray-100);
}
.news-detail-related .related-item .related-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}
.news-detail-related .related-item:hover .related-image img {
    transform: scale(1.05);
}
.news-detail-related .related-item .related-name {
    padding: 8px 12px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--gray-700);
    text-align: center;
    line-height: 1.3;
}
.news-detail-sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
}
.sidebar-box {
    background: var(--gray-100);
    border-radius: 8px;
    padding: 20px 22px 24px;
    border: 1px solid var(--gray-200);
}
.sidebar-box h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary-light);
}
.sidebar-search-box h4 {
    margin-bottom: 10px;
}
.sidebar-search {
    display: flex;
    align-items: center;
    background: var(--white);
    border-radius: 4px;
    padding: 2px 4px 2px 14px;
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}
.sidebar-search:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26, 82, 118, 0.08);
}
.sidebar-search input {
    flex: 1;
    background: transparent;
    border: none;
    padding: 10px 4px;
    font-size: 0.85rem;
    outline: none;
    color: var(--gray-700);
}
.sidebar-search input::placeholder {
    color: var(--gray-400);
}
.sidebar-search button {
    background: var(--primary);
    border: none;
    color: var(--white);
    cursor: pointer;
    padding: 8px 14px;
    border-radius: 4px;
    font-size: 1rem;
    transition: var(--transition);
}
.sidebar-search button:hover {
    background: var(--primary-dark);
}
.sidebar-categories ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.sidebar-categories ul li {
    margin-bottom: 2px;
}
.sidebar-categories ul li a {
    display: block;
    padding: 7px 12px;
    color: var(--gray-600);
    font-size: 0.88rem;
    border-radius: 4px;
    transition: all 0.3s ease;
    text-decoration: none;
}
.sidebar-categories ul li a:hover {
    background: var(--primary-light);
    color: var(--primary);
}
.sidebar-categories ul li ul {
    padding-left: 16px;
}
.sidebar-categories ul li ul li a {
    font-size: 0.82rem;
    padding: 5px 12px;
}
.sidebar-recent ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.sidebar-recent ul li {
    margin-bottom: 10px;
}
.sidebar-recent ul li:last-child {
    margin-bottom: 0;
}
.sidebar-news-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 8px 10px;
    border-radius: 4px;
    transition: all 0.3s ease;
    text-decoration: none;
    color: inherit;
}
.sidebar-news-item:hover {
    background: var(--white);
    box-shadow: var(--shadow-sm);
}
.sidebar-news-item .sidebar-news-title {
    font-size: 0.85rem;
    color: var(--gray-700);
    line-height: 1.3;
    font-weight: 500;
}
.sidebar-news-item:hover .sidebar-news-title {
    color: var(--primary);
}
.sidebar-news-item .sidebar-news-date {
    font-size: 0.7rem;
    color: var(--gray-400);
}
.sidebar-products ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.sidebar-products ul li {
    margin-bottom: 10px;
}
.sidebar-products ul li:last-child {
    margin-bottom: 0;
}
.sidebar-product-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 10px;
    border-radius: 4px;
    transition: all 0.3s ease;
    text-decoration: none;
    color: inherit;
}
.sidebar-product-item:hover {
    background: var(--white);
    box-shadow: var(--shadow-sm);
}
.sidebar-product-image {
    width: 50px;
    height: 50px;
    flex-shrink: 0;
    overflow: hidden;
    border-radius: 4px;
    background: var(--white);
}
.sidebar-product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.sidebar-product-name {
    font-size: 0.85rem;
    color: var(--gray-700);
    line-height: 1.3;
    flex: 1;
    font-weight: 500;
}
.sidebar-product-item:hover .sidebar-product-name {
    color: var(--primary);
}
.sidebar-quote p {
    font-size: 0.88rem;
    color: var(--gray-500);
    line-height: 1.6;
    margin-bottom: 16px;
}
.sidebar-quote .btn {
    padding: 12px 20px;
    font-size: 0.9rem;
}
.page-cta {
    background: var(--gradient-accent);
    padding: 50px 0;
    text-align: center;
    color: var(--white);
}
.page-cta h2 {
    font-size: 2rem;
    color: var(--white);
    margin-bottom: 12px;
}
.page-cta p {
    font-size: 1.05rem;
    opacity: 0.85;
    max-width: 520px;
    margin: 0 auto 24px;
}
@media (max-width: 992px) {
    .page-hero {
        padding: 60px 0 50px;
        min-height: 240px;
    }
    .page-hero h1 {
        font-size: 2rem;
    }
    .news-detail-layout {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .news-detail-title {
        font-size: 1.6rem;
    }
    .news-detail-sidebar {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }
    .news-detail-related .related-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
    }
    .news-detail-related .related-item .related-image {
        height: 140px;
    }
}
@media (max-width: 768px) {
    .page-hero {
        padding: 50px 0 40px;
        min-height: 200px;
    }
    .page-hero h1 {
        font-size: 1.6rem;
    }
    .page-hero p {
        font-size: 0.95rem;
    }
    .news-detail-body-wrapper {
        padding: 20px 18px 16px;
    }
    .news-detail-title {
        font-size: 1.3rem;
    }
    .news-detail-body {
        font-size: 0.95rem;
    }
    .news-detail-footer {
        padding: 16px 18px 18px;
    }
    .news-detail-navigation {
        padding: 18px 18px 16px;
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .news-detail-navigation .nav-next {
        text-align: left;
    }
    .news-detail-related {
        padding: 20px 18px 22px;
    }
    .news-detail-related .related-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    .news-detail-related .related-item .related-image {
        height: 120px;
    }
    .news-detail-sidebar {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .page-cta {
        padding: 36px 0;
    }
    .page-cta h2 {
        font-size: 1.5rem;
    }
    .page-cta p {
        font-size: 0.95rem;
    }
}
@media (max-width: 480px) {
    .page-hero {
        padding: 40px 0 30px;
        min-height: 170px;
    }
    .page-hero h1 {
        font-size: 1.3rem;
    }
    .news-detail-body-wrapper {
        padding: 16px 14px 14px;
    }
    .news-detail-title {
        font-size: 1.1rem;
    }
    .news-detail-body {
        font-size: 0.9rem;
    }
    .news-detail-body table {
        font-size: 0.78rem;
    }
    .news-detail-body table thead th,
    .news-detail-body table tbody td {
        padding: 6px 10px;
    }
    .news-detail-header {
        font-size: 0.75rem;
        gap: 12px;
        flex-wrap: wrap;
    }
    .news-detail-footer {
        padding: 14px 14px 16px;
    }
    .news-detail-navigation {
        padding: 14px 14px 14px;
    }
    .news-detail-related {
        padding: 16px 14px 18px;
    }
    .news-detail-related .related-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }
    .news-detail-related .related-item .related-image {
        height: 100px;
    }
    .news-detail-related .related-item .related-name {
        font-size: 0.7rem;
        padding: 6px 8px;
    }
    .sidebar-box {
        padding: 14px 14px 16px;
    }
}