.o-hero-wide {
    width: 100%;
    margin-bottom: 10px;
    position: relative;
}
.o-hero-cover {
    position: relative;
    height: 450px;
    background-size: cover;
    background-position: center 30%;
    overflow: hidden;
}
.o-hero-cover::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(0deg, var(--color-overlay) 0%, var(--color-overlay-light) 50%, rgba(0,0,0,0.1) 100%);
    z-index: 1;
}
.o-hero-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 70px 50px 60px;
    z-index: 2;
    max-width: 1280px;
    margin: 0 auto;
    width: 100%;
}
.o-hero-badge {
    display: inline-block;
    background: var(--color-accent);
    color: var(--color-primary);
    font-size: 14px;
    font-weight: 700;
    padding: 6px 20px;
    letter-spacing: 1px;
    margin-bottom: 24px;
}
.o-hero-title {
    font-size: 52px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    max-width: 65%;
}
.o-hero-title a {
    color: var(--color-text-white);
    text-shadow: 0 2px 12px rgba(0,0,0,0.3);
    text-decoration: none;
}
.o-hero-title a:hover {
    color: var(--color-accent);
}
.o-hero-summary {
    font-size: 18px;
    color: rgba(255,255,255,0.92);
    line-height: 1.6;
    margin-bottom: 22px;
    max-width: 50%;
}
.o-hero-meta {
    font-size: 14px;
    color: rgba(255,255,255,0.7);
    display: flex;
    gap: 28px;
}

.o-breadcrumb {
    padding: 20px 0;
    color: var(--color-text-muted);
    font-size: 14px;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 32px;
}
.o-breadcrumb a {
    color: var(--color-text-light);
    text-decoration: none;
}
.o-breadcrumb a:hover {
    color: var(--color-primary);
}
.o-breadcrumb .current {
    color: var(--color-primary);
}

.o-top-news {
    margin-bottom: 40px;
}
.o-top-news-banner {
    position: relative;
    width: 100%;
    height: 420px;
    background-size: cover;
    background-position: center;
    overflow: hidden;
}
.o-top-news-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(0deg, rgba(0,0,0,0.75) 0%, rgba(0,0,0,0.2) 50%, transparent 100%);
    z-index: 1;
}
.o-top-news-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 40px 40px 35px;
    z-index: 2;
}
.o-top-news-category {
    display: inline-block;
    background: var(--color-accent);
    color: var(--color-primary);
    font-size: 12px;
    font-weight: 700;
    padding: 4px 16px;
    margin-bottom: 16px;
}
.o-top-news-title {
    font-size: 36px;
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 12px;
    max-width: 65%;
}
.o-top-news-title a {
    color: #fff;
    text-decoration: none;
    text-shadow: 0 1px 4px rgba(0,0,0,0.3);
}
.o-top-news-title a:hover {
    color: var(--color-accent);
}
.o-top-news-summary {
    font-size: 16px;
    color: rgba(255,255,255,0.85);
    line-height: 1.5;
    margin-bottom: 16px;
    max-width: 55%;
}
.o-top-news-meta {
    font-size: 13px;
    color: rgba(255,255,255,0.65);
}
.o-top-news-meta span {
    margin-right: 24px;
}

/* 视频栏目 - 2个16:9 */
.o-video-section {
    margin-bottom: 40px;
}
.o-video-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 18px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--color-accent);
}
.o-video-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-primary);
}
.o-video-more {
    font-size: 12px;
    color: var(--color-text-muted);
    text-decoration: none;
}
.o-video-more:hover {
    color: var(--color-primary);
}
.o-video-grid {
    display: flex;
    gap: 24px;
}
.o-video-card {
    flex: 1;
    background: #fff;
    border: 1px solid var(--color-border);
    overflow: hidden;
    transition: all 0.3s ease;
}
.o-video-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
}
.o-video-img-link {
    display: block;
    position: relative;
}
.o-video-img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}
.o-video-play {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    height: 50px;
    background: rgba(0,0,0,0.6);
    border-radius: 50%;
}
.o-video-play::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 55%;
    transform: translate(-50%, -50%);
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 10px 0 10px 16px;
    border-color: transparent transparent transparent #fff;
}
.o-video-content {
    padding: 14px 16px;
}
.o-video-text {
    font-size: 15px;
    font-weight: 600;
    line-height: 1.4;
    color: var(--color-text-main);
    text-decoration: none;
    display: block;
}
.o-video-text:hover {
    color: var(--color-primary);
}

.o-list-article {
    border-bottom: 1px solid var(--color-border);
    padding: 36px 0;
    display: flex;
    gap: 32px;
}
.o-list-article:last-child {
    border-bottom: none;
}
.o-list-img-link {
    display: block;
    width: 280px;
    flex-shrink: 0;
    overflow: hidden;
}
.o-list-img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.o-list-img-link:hover .o-list-img {
    transform: scale(1.05);
}
.o-list-info {
    flex: 1;
}
.o-list-category {
    display: inline-block;
    font-size: 12px;
    background: var(--color-accent);
    color: var(--color-primary);
    font-weight: 600;
    padding: 3px 12px;
    margin-bottom: 12px;
}
.o-list-title {
    font-size: 22px;
    font-weight: 700;
    line-height: 1.35;
    margin-bottom: 12px;
}
.o-list-title a {
    color: var(--color-text-main);
    text-decoration: none;
}
.o-list-title a:hover {
    color: var(--color-primary);
}
.o-list-summary {
    font-size: 15px;
    color: var(--color-text-light);
    line-height: 1.6;
    margin-bottom: 14px;
}
.o-list-meta {
    font-size: 13px;
    color: #aaa;
}
.o-list-meta span {
    margin-right: 24px;
}

.o-sidebar {
    background: #f5f7fa;
    border-radius: 16px;
    padding: 24px;
}
.o-sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 18px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-primary-muted);
}
.o-sidebar-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-primary);
}
.o-sidebar-more {
    font-size: 12px;
    color: var(--color-text-muted);
    text-decoration: none;
}
.o-sidebar-more:hover {
    color: var(--color-primary);
}

.o-sidebar-list {
    margin: 0;
    padding: 0;
    list-style: none;
}
.o-sidebar-list-item {
    padding: 12px 0;
    border-bottom: 1px solid #e8ecef;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.o-sidebar-list-item:last-child {
    border-bottom: none;
}
.o-sidebar-list-title {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-main);
    text-decoration: none;
    line-height: 1.4;
}
.o-sidebar-list-title:hover {
    color: var(--color-primary);
}
.o-sidebar-list-date {
    font-size: 12px;
    color: var(--color-text-muted);
    flex-shrink: 0;
    margin-left: 15px;
}

.o-notice-badge {
    display: inline-block;
    background: var(--color-accent);
    color: var(--color-primary);
    font-size: 11px;
    font-weight: 600;
    padding: 2px 10px;
    margin-right: 12px;
}

.o-hot-item {
    padding: 12px 0;
    border-bottom: 1px solid #e8ecef;
    display: flex;
    gap: 14px;
}
.o-hot-item:last-child {
    border-bottom: none;
}
.o-hot-num {
    width: 32px;
    height: 32px;
    background: #e8ecef;
    border-radius: 8px;
    text-align: center;
    line-height: 32px;
    font-size: 15px;
    font-weight: 700;
    color: var(--color-text-light);
    flex-shrink: 0;
}
.o-hot-num.top3 {
    background: var(--color-accent);
    color: var(--color-primary);
}
.o-hot-title {
    flex: 1;
    font-size: 14px;
    font-weight: 500;
    line-height: 1.45;
}
.o-hot-title a {
    color: var(--color-text-main);
    text-decoration: none;
}
.o-hot-title a:hover {
    color: var(--color-primary);
}

.o-topic-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.o-topic-tag {
    background: #fff;
    border: 1px solid #e0e6ea;
    padding: 6px 16px;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-primary);
    transition: 0.2s;
    text-decoration: none;
    border-radius: 30px;
}
.o-topic-tag:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

.o-ad {
    text-align: center;
    padding: 16px;
    background: #fff;
    border-radius: 12px;
}
.o-ad img {
    width: 100%;
    border-radius: 8px;
}
.o-ad-text {
    font-size: 12px;
    color: #aaa;
    margin-top: 10px;
}

.o-pagination {
    margin: 40px 0 30px;
    text-align: center;
}
.o-pagination a, .o-pagination span {
    display: inline-block;
    padding: 8px 14px;
    margin: 0 4px;
    border: 1px solid var(--color-border-deep);
    font-size: 13px;
    color: var(--color-text-light);
    transition: 0.2s;
    text-decoration: none;
}
.o-pagination a:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-text-white);
}
.o-pagination .current {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-text-white);
}

.clearfix:after {
    content: "";
    display: table;
    clear: both;
}
.o-grid-8 { width: 66.666%; float: left; }
.o-grid-4 { width: 33.333%; float: left; }
.o-pr-30 { padding-right: 30px; }
.o-pl-30 { padding-left: 30px; }
.o-mt-20 { margin-top: 20px; }