/* ===== News Hero ===== */
.news-hero {
    min-height: 380px;
    background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%);
    display: flex;
    align-items: center;
    padding: 120px 0 60px;
    position: relative;
    overflow: hidden;
}
.news-hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: radial-gradient(ellipse at center, rgba(59,130,246,0.1) 0%, transparent 70%);
}
.news-hero .container {
    position: relative;
    z-index: 1;
    text-align: center;
}
.news-hero .section-tag {
    color: #60a5fa;
    font-size: 14px;
    letter-spacing: 2px;
    margin-bottom: 15px;
    display: block;
}
.news-hero h1 {
    font-size: 38px;
    color: #ffffff;
    font-weight: bold;
    margin-bottom: 16px;
    line-height: 1.3;
}
.news-hero h1 span {
    background: linear-gradient(135deg, #3b82f6, #60a5fa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.news-hero p {
    color: rgba(255,255,255,0.7);
    font-size: 15px;
    max-width: 560px;
    margin: 0 auto 24px;
}
.news-hero .search-box {
    max-width: 480px;
    margin: 0 auto;
    display: flex;
    background: rgba(255,255,255,0.1);
    border-radius: 30px;
    padding: 5px;
    border: 1px solid rgba(255,255,255,0.2);
}
.news-hero .search-box input {
    flex: 1;
    background: transparent;
    border: none;
    padding: 11px 20px;
    color: #ffffff;
    font-size: 14px;
    outline: none;
}
.news-hero .search-box input::placeholder { color: rgba(255,255,255,0.5); }
.news-hero .search-box button {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: #ffffff;
    border: none;
    padding: 11px 22px;
    border-radius: 25px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s;
}
.news-hero .search-box button:hover { transform: scale(1.05); }
@media (max-width: 768px) {
    .news-hero { padding: 100px 0 50px; }
    .news-hero h1 { font-size: 26px; }
    .news-hero .search-box { flex-direction: column; border-radius: 15px; }
    .news-hero .search-box button { border-radius: 15px; margin-top: 8px; }
}

/* ===== 新闻详情页专属样式 ===== */
.ni-topbar {
    background: #f8fafc;
    border-bottom: 1px solid #e8edf5;
    padding: 14px 0;
}
.ni-topbar .ni-breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    margin: 0;
}
.ni-topbar .ni-breadcrumb a {
    color: #64748b;
    font-size: 13px;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: color 0.2s;
}
.ni-topbar .ni-breadcrumb a:hover { color: #3b82f6; }
.ni-topbar .ni-breadcrumb .sep { color: #cbd5e1; font-size: 11px; }
.ni-topbar .ni-breadcrumb .cur {
    color: #1e293b;
    font-size: 13px;
    font-weight: 500;
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.news-info-wrap {
    padding: 40px 0 80px;
    background: #f0f4f8;
}
.news-info-grid {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    max-width: 1140px;
    margin: 0 auto;
}
.ni-article-card {
    flex: 1;
    min-width: 0;
    background: #ffffff;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 2px 16px rgba(0,0,0,0.06);
    font-size: 0;
}
.ni-info-col,
.ni-article-body { font-size: 15px; }
/* 图文区（标题在上，图片在下） */
.ni-head-row {
    display: block;
    border-bottom: 1px solid #f0f4f8;
    font-size: 15px;
    padding: 24px 28px 20px;
}
.ni-cover-col {
    width: 100%;
    overflow: hidden;
    background: linear-gradient(135deg, #1e40af, #3b82f6);
    position: relative;
    border-radius: 10px;
    margin-top: 18px;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.ni-cover-col img {
    width: 100%;
    height: auto;
    max-height: 400px;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
    margin: 0;
    padding: 0;
    vertical-align: top;
    border-radius: 10px;
}
.ni-head-row:hover .ni-cover-col img { transform: scale(1.04); }
.ni-info-col {
    padding: 0;
    text-align: center;
}
.ni-ct-tag {
    display: inline-flex;
    align-items: center;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: #fff !important;
    padding: 3px 13px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.3px;
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.ni-info-title {
    color: #0f172a;
    font-size: 22px;
    font-weight: bold;
    line-height: 1.55;
    margin: 0 0 14px;
    padding-bottom: 14px;
    border-bottom: 1px solid #e8edf5;
}
.ni-info-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 14px;
}
.ni-info-meta span {
    color: #94a3b8;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 5px;
}
.ni-info-meta .ni-meta-date { color: #64748b; }
.ni-info-excerpt {
    color: #64748b;
    font-size: 14px;
    line-height: 1.75;
    margin: 0;
}
/* 无图占位 */
.ni-cover-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 40px 0;
    color: rgba(255,255,255,0.5);
    font-size: 14px;
}
.ni-cover-placeholder i { font-size: 48px; }

.ni-article-body {
    padding: 36px 40px 44px;
}
.ni-divider {
    width: 44px;
    height: 4px;
    background: linear-gradient(135deg, #3b82f6, #60a5fa);
    border-radius: 2px;
    margin-bottom: 26px;
}
.ni-content {
    color: #374151;
    font-size: 15px;
    line-height: 1.9;
}
.ni-content h1, .ni-content h2, .ni-content h3, .ni-content h4, .ni-content h5 {
    color: #1e293b;
    font-weight: bold;
    margin: 28px 0 12px;
    line-height: 1.4;
}
.ni-content h2 { font-size: 20px; border-left: 4px solid #3b82f6; padding-left: 14px; }
.ni-content h3 { font-size: 17px; }
.ni-content h4 { font-size: 15px; }
.ni-content p { margin-bottom: 16px; }
.ni-content img {
    max-width: 100%;
    border-radius: 10px;
    margin: 18px 0;
    display: block;
    box-shadow: 0 4px 16px rgba(0,0,0,0.1);
}
.ni-content ul, .ni-content ol { padding-left: 24px; margin-bottom: 16px; }
.ni-content li { margin-bottom: 8px; }
.ni-content blockquote {
    border-left: 4px solid #3b82f6;
    padding: 12px 20px;
    background: #eff6ff;
    border-radius: 0 10px 10px 0;
    color: #475569;
    margin: 20px 0;
    font-style: italic;
}
.ni-content a { color: #3b82f6; text-decoration: underline; }
.ni-content table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 14px; }
.ni-content table th { background: #eff6ff; color: #1e293b; padding: 10px 14px; border: 1px solid #dbeafe; text-align: left; font-weight: 600; }
.ni-content table td { padding: 10px 14px; border: 1px solid #e2e8f0; color: #374151; }
.ni-content table tr:nth-child(even) td { background: #f8fafc; }
.ni-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 40px;
    padding-top: 28px;
    border-top: 1px solid #e2e8f0;
}
.ni-nav-back {
    width: 100%;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #3b82f6;
    font-size: 13px;
    text-decoration: none;
    margin-bottom: 4px;
    transition: color 0.2s;
}
.ni-nav-back:hover { color: #1d4ed8; }
.ni-nav-link {
    flex: 1;
    padding: 16px 18px;
    background: #f8fafc;
    border-radius: 12px;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s;
    border: 1px solid #e8edf5;
    display: block;
}
.ni-nav-link:hover {
    background: #eff6ff;
    border-color: #93c5fd;
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(59,130,246,0.12);
}
.ni-nav-label {
    font-size: 11px;
    color: #94a3b8;
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.ni-nav-title {
    font-size: 13px;
    color: #1e293b;
    font-weight: 500;
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.ni-nav-link.ni-nav-next { text-align: right; }
.ni-nav-link.ni-nav-next .ni-nav-label { justify-content: flex-end; }
.ni-nav-none {
    flex: 1; padding: 16px 18px;
    background: #f8fafc; border-radius: 12px; border: 1px dashed #e2e8f0;
}
.ni-nav-none .ni-nav-label { color: #d1d5db; }
.ni-nav-none .ni-nav-title { color: #d1d5db; font-size: 13px; }

/* 侧边栏 */
.ni-sidebar { position: sticky; top: 90px; width: 200px; flex-shrink: 0; }
.ni-sb-card {
    background: #ffffff;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    margin-bottom: 18px;
}
.ni-sb-head {
    padding: 16px 20px;
    background: linear-gradient(135deg, #1e40af, #3b82f6);
    color: #ffffff;
    font-size: 15px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}
.ni-sb-body { padding: 16px 20px; }
.ni-cat-list { list-style: none; padding: 0; margin: 0; }
.ni-cat-list li { border-bottom: 1px solid #f1f5f9; }
.ni-cat-list li:last-child { border-bottom: none; }
.ni-cat-list > li > a,
.ni-cat-list .ni-child-item > a {
    display: flex; align-items: center; justify-content: space-between;
    padding: 12px 0; color: #475569; text-decoration: none;
    font-size: 15px; transition: color 0.2s; line-height: 1.4;
}
.ni-cat-list > li > a:hover,
.ni-cat-list .ni-child-item > a:hover { color: #3b82f6; }
.ni-cat-list > li > a.active,
.ni-cat-list .ni-child-item > a.active { color: #3b82f6; font-weight: 600; }
.ni-cat-list .ni-chevron { font-size: 10px; color: #d1d5db; flex-shrink: 0; }
.ni-cat-list .ni-child-item { padding-left: 12px; }
.ni-cat-list .ni-child-item > a { font-size: 12px; color: #64748b; }
.ni-cat-list .ni-child-dash { color: #d1d5db; margin-right: 4px; }
@media (max-width: 1024px) {
    .news-info-grid { max-width: 100%; }
}
@media (max-width: 768px) {
    .news-info-grid { flex-direction: column; }
    .ni-sidebar { width: 100%; }
    .ni-head-row { padding: 16px 16px 14px; }
    .ni-info-title { font-size: 18px; }
    .ni-article-body { padding: 20px 20px 28px; }
    .ni-nav { flex-direction: column; }
    .ni-nav-link.ni-nav-next { text-align: left; }
    .ni-nav-link.ni-nav-next .ni-nav-label { justify-content: flex-start; }
}