/* ============================================
   湖北梵纯项目管理 - 前台样式 (复刻版)
   ============================================ */

/* 基础变量 - 青色主题 */
:root {
    --primary: #0891b2;
    --primary-dark: #0e7490;
    --primary-light: #06b6d4;
    --primary-bg: #ecfeff;
    --secondary: #64748b;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --text-dark: #1e293b;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1);
    --transition: all 0.3s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--text-dark);
    line-height: 1.7;
    background: #fff;
    -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: var(--text-dark); transition: var(--transition); }
a:hover { color: var(--primary); }
ul, ol, li { list-style: none !important; }
img { max-width: 100%; height: auto; }

/* ========== 导航栏 ========== */
.navbar {
    transition: var(--transition);
    padding: 0;
    height: 70px;
    background: #fff !important;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.navbar.scrolled {
    box-shadow: 0 4px 16px rgba(0,0,0,0.1);
    height: 60px;
}
.navbar-brand {
    padding: 0;
    display: flex;
    align-items: center;
}
.navbar-brand img {
    height: 45px;
}
.navbar-nav {
    gap: 8px;
}
.navbar-nav .nav-link {
    padding: 0 18px !important;
    font-size: 15px;
    font-weight: 500;
    position: relative;
    color: var(--text-dark) !important;
    height: 70px;
    line-height: 70px;
}
.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 15px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
    transform: translateX(-50%);
}
.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
    width: 60%;
}
.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--primary) !important;
}

.nav-placeholder { height: 70px; }

/* ========== 轮播图 ========== */
.banner-swiper {
    width: 100%;
    overflow: hidden;
}
.banner-swiper .swiper-wrapper {
    height: 480px;
}
.banner-swiper .swiper-slide {
    position: relative;
    height: 480px;
    overflow: hidden;
}
.banner-swiper .swiper-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.banner-swiper .banner-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: #fff;
    width: 100%;
    padding: 0 20px;
    z-index: 2;
}
.banner-swiper .banner-content h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 16px;
    text-shadow: 2px 2px 12px rgba(0,0,0,0.4);
    letter-spacing: 4px;
}
.banner-swiper .banner-content p {
    font-size: 20px;
    text-shadow: 1px 1px 8px rgba(0,0,0,0.4);
    letter-spacing: 2px;
}
.banner-swiper .swiper-pagination-bullet-active {
    background: var(--primary);
}
.banner-swiper .swiper-button-next,
.banner-swiper .swiper-button-prev {
    color: #fff;
    width: 50px;
    height: 50px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    transition: var(--transition);
    backdrop-filter: blur(4px);
}
.banner-swiper .swiper-button-next:hover,
.banner-swiper .swiper-button-prev:hover {
    background: var(--primary);
}
.banner-swiper .swiper-button-next::after,
.banner-swiper .swiper-button-prev::after {
    font-size: 20px;
    font-weight: bold;
}

/* ========== 通用区块 ========== */
.section {
    padding: 60px 0;
}
.section-title {
    text-align: center;
    margin-bottom: 50px;
}
.section-title h2 {
    font-size: 30px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 12px;
}
.section-title p {
    color: var(--text-muted);
    font-size: 14px;
    position: relative;
    display: inline-block;
    padding: 0 60px;
}
.section-title p::before,
.section-title p::after {
    content: '-';
    position: absolute;
    top: 50%;
    color: var(--text-muted);
    font-size: 14px;
}
.section-title p::before { left: 0; }
.section-title p::after { right: 0; }

/* ========== 服务卡片 - 首页业务范围 ========== */
.service-card {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    height: 100%;
    border: 1px solid var(--border-light);
}
.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}
.service-card .card-img {
    height: 200px;
    overflow: hidden;
    position: relative;
}
.service-card .card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.service-card:hover .card-img img {
    transform: scale(1.08);
}
.service-card .card-body {
    padding: 20px;
}
.service-card .card-body h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-dark);
}
.service-card .card-body h4 a {
    color: var(--text-dark);
}
.service-card .card-body h4 a:hover {
    color: var(--primary);
}
.service-card .card-body p {
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.service-card .card-body .more {
    color: var(--primary);
    font-size: 14px;
    font-weight: 500;
}
.service-card .card-body .more i {
    transition: var(--transition);
}
.service-card:hover .card-body .more i {
    margin-left: 5px;
}

/* 查看更多链接 */
.view-more {
    display: block;
    text-align: center;
    margin-top: 40px;
}
.view-more a {
    display: inline-block;
    color: var(--text-muted);
    font-size: 14px;
    padding: 8px 20px;
    position: relative;
}
.view-more a:hover {
    color: var(--primary);
}
.view-more a::before {
    content: '-';
    margin-right: 8px;
}
.view-more a::after {
    content: '-';
    margin-left: 8px;
}

/* ========== 关于我们 ========== */
.about-section {
    background: var(--bg-light);
}
.about-content {
    line-height: 2;
    color: #555;
    text-indent: 2em;
    font-size: 15px;
}

/* ========== 列表页文章列表 ========== */
.news-list .news-item {
    padding: 22px 0;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}
.news-list .news-item:last-child { border-bottom: none; }
.news-list .news-item:hover {
    padding-left: 6px;
    padding-right: 6px;
    background: #fafbfc;
    border-radius: 6px;
}
.news-list .news-item h4 {
    font-size: 17px;
    margin-bottom: 10px;
    font-weight: 600;
    line-height: 1.5;
}
.news-list .news-item h4 a {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.news-list .news-item p {
    color: #666;
    font-size: 14px;
    line-height: 1.8;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 10px;
}
.news-list .news-item .news-date {
    color: var(--text-muted);
    font-size: 13px;
}
.news-list .news-item .news-date i {
    margin-right: 5px;
}
.news-list .news-item img {
    border-radius: 6px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}
.news-list .news-item:hover img {
    transform: scale(1.03);
    box-shadow: var(--shadow-md);
}
/* 列表式 - 分类缩略图布局 */
.news-list .news-item .news-item-inner {
    display: flex;
    gap: 18px;
}
.news-list .news-item .cat-thumb {
    flex-shrink: 0;
    width: 120px;
    height: 90px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
    transition: all 0.3s ease;
    background: linear-gradient(135deg, #0891b2 0%, #0e7490 100%);
}
.news-list .news-item .cat-thumb::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(255,255,255,0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255,255,255,0.1) 0%, transparent 50%);
}
.news-list .news-item .cat-thumb-text {
    position: relative;
    z-index: 1;
    color: #fff;
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 2px;
    writing-mode: horizontal-tb;
    text-align: center;
    padding: 10px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}
.news-list .news-item .cat-thumb-9 { background: linear-gradient(135deg, #0891b2 0%, #0e7490 100%); }
.news-list .news-item .cat-thumb-10 { background: linear-gradient(135deg, #10b981 0%, #059669 100%); }
.news-list .news-item .cat-thumb-11 { background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%); }
.news-list .news-item .cat-thumb-12 { background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%); }
.news-list .news-item:hover .cat-thumb {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}
.news-list .news-item .news-item-inner.no-thumb {
    gap: 0;
}
.news-list .news-item .news-item-inner.no-thumb .news-main {
    width: 100%;
}
.news-list .news-item .news-main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.news-list .news-item .news-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
.news-list .news-item .news-row h4 {
    margin: 0;
    font-size: 17px;
    font-weight: 600;
    line-height: 1.5;
    flex: 1;
    min-width: 0;
}
.news-list .news-item .news-row h4 a {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--text-dark);
    text-decoration: none;
}
.news-list .news-item .news-row h4 a:hover {
    color: var(--primary);
}
.news-list .news-item .news-meta {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: 16px;
    font-size: 13px;
    color: var(--text-muted);
    white-space: nowrap;
}
.news-list .news-item .news-meta i {
    color: var(--primary);
    margin-right: 3px;
}
.news-list .news-item .news-row p {
    margin: 0;
    color: #666;
    font-size: 14px;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 首页新闻卡片样式 */
.home-news-item {
    padding: 20px 0;
    border-bottom: 1px solid var(--border-light);
}
.home-news-item:last-child { border-bottom: none; }
.home-news-item h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}
.home-news-item h4 a {
    color: var(--text-dark);
}
.home-news-item h4 a:hover {
    color: var(--primary);
}
.home-news-item p {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 6px;
}
.home-news-item .news-date {
    color: var(--text-light);
    font-size: 13px;
}

/* ========== 案例卡片 ========== */
.case-card {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    height: 100%;
}
.case-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}
.case-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: var(--transition);
}
.case-card:hover img {
    transform: scale(1.05);
}
.case-card .case-info {
    padding: 15px;
    background: #fff;
}
.case-card .case-info h5 {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 5px;
}
.case-card .case-info p {
    color: var(--text-muted);
    font-size: 13px;
    margin: 0;
}

/* ========== 列表页Banner ========== */
.page-banner {
    height: 200px;
    background: linear-gradient(135deg, #0891b2 0%, #0e7490 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.page-banner.has-bg {
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    background-color: #0e7490;
}
.page-banner::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.35);
}
.page-banner.has-bg::before {
    background: rgba(8, 145, 178, 0.5);
}
.page-banner .banner-text {
    position: relative;
    z-index: 1;
}
.page-banner h1 {
    font-size: 36px;
    margin-bottom: 10px;
}
.page-banner p {
    opacity: 0.9;
}

/* ========== 面包屑 ========== */
.breadcrumb-nav {
    padding: 15px 0;
    background: var(--bg-light);
    border-bottom: 1px solid var(--border-color);
}
.breadcrumb {
    margin: 0;
    background: transparent;
    padding: 0;
}
.breadcrumb-item a { color: var(--text-muted); }
.breadcrumb-item.active { color: var(--primary); }

/* ========== 分页 ========== */
.pagination {
    justify-content: center;
    margin-top: 30px;
    gap: 0;
}
.page-item:not(:first-child) .page-link { margin-left: -1px; }
.page-item:first-child .page-link { border-top-left-radius: 4px; border-bottom-left-radius: 4px; }
.page-item:last-child .page-link { border-top-right-radius: 4px; border-bottom-right-radius: 4px; }
.page-link {
    color: var(--primary);
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 0;
    padding: 8px 16px;
    min-width: 42px;
    text-align: center;
    transition: var(--transition);
}
.page-link:hover {
    color: var(--primary);
    background: var(--primary-bg);
    border-color: var(--primary);
}
.page-item.active .page-link,
.page-item.active .page-link:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}
.page-item.disabled .page-link {
    color: var(--text-light);
    background: #f8f9fa;
    border-color: var(--border-color);
    cursor: not-allowed;
}

/* ========== 文章详情 ========== */
.article-detail {
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
}
.article-detail .article-title {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 15px;
    text-align: center;
}
.article-detail .article-meta {
    text-align: center;
    color: var(--text-muted);
    font-size: 14px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 25px;
}
.article-detail .article-meta span {
    margin: 0 10px;
}
.article-detail .article-content {
    line-height: 2;
    color: #444;
    font-size: 16px;
}
.article-detail .article-content img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
    margin: 15px 0;
    display: block;
}
.article-detail .article-content h2,
.article-detail .article-content h3 {
    margin: 20px 0 15px;
    font-weight: 600;
}
.article-detail .article-content h2 { font-size: 22px; }
.article-detail .article-content h3 { font-size: 18px; }
.article-detail .article-content p {
    margin-bottom: 15px;
}
.article-detail .article-content ul,
.article-detail .article-content ol {
    padding-left: 2em;
    margin-bottom: 15px;
}
.article-detail .article-content ul li { list-style: disc; margin-bottom: 6px; }
.article-detail .article-content ol li { list-style: decimal; margin-bottom: 6px; }
.article-detail .article-content blockquote {
    border-left: 3px solid var(--primary);
    padding: 8px 15px;
    margin: 15px 0;
    background: #f6f9ff;
    color: #555;
}
.article-detail .article-content table {
    width: 100%;
    margin: 15px 0;
    border-collapse: collapse;
}
.article-detail .article-content table th,
.article-detail .article-content table td {
    border: 1px solid var(--border-color);
    padding: 8px 12px;
}
.article-detail .article-content table th {
    background: var(--bg-light);
    font-weight: 600;
}

/* ========== 侧边栏 ========== */
.sidebar-widget {
    background: #fff;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
}
.sidebar-widget h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary);
    display: inline-block;
}
.sidebar-widget ul {
    list-style: none !important;
    padding: 0 !important;
    margin: 0 !important;
}
.sidebar-widget ul li {
    padding: 8px 0;
    border-bottom: 1px dashed var(--border-color);
    list-style: none !important;
}
.sidebar-widget ul li:last-child { border-bottom: none; }
.sidebar-widget ul li a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #555;
    font-size: 14px;
}
.sidebar-widget ul li a:hover {
    color: var(--primary);
}

/* ========== 页脚 ========== */
.site-footer {
    background: #1e293b;
    color: #94a3b8;
    padding-top: 50px;
}
.footer-content {
    padding-bottom: 30px;
}
.footer-title {
    color: #fff;
    font-size: 18px;
    margin-bottom: 20px;
    font-weight: 600;
}
.footer-desc {
    line-height: 1.8;
    margin-bottom: 15px;
    font-size: 14px;
}
.footer-contact-info,
.footer-contact-info li {
    list-style: none !important;
    padding: 0 !important;
    margin: 0;
}
.footer-contact-info li {
    margin-bottom: 10px;
    font-size: 14px;
    padding-left: 0 !important;
}
.footer-contact-info i {
    width: 20px;
    color: var(--primary-light);
}
.footer-contact-info a {
    color: #94a3b8;
}
.footer-contact-info a:hover {
    color: var(--primary-light);
}
.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}
.footer-links li {
    padding: 5px 0;
    list-style: none;
}
.footer-links a {
    color: #94a3b8;
    font-size: 14px;
    transition: var(--transition);
}
.footer-links a:hover {
    color: var(--primary-light);
    padding-left: 5px;
}
.qr-code {
    text-align: center;
}
.qr-code img {
    width: 120px;
    height: 120px;
    background: #fff;
    padding: 8px;
    border-radius: 4px;
    margin-bottom: 10px;
}
.qr-code p {
    font-size: 13px;
    color: #94a3b8;
}
.footer-bottom {
    background: #0f172a;
    padding: 18px 0;
    font-size: 13px;
    text-align: center;
}
.footer-bottom a {
    color: #94a3b8;
}
.footer-bottom a:hover {
    color: var(--primary-light);
}

/* ========== 右侧悬浮侧边栏 ========== */
.fixed-sidebar {
    position: fixed;
    right: 20px;
    bottom: 50%;
    transform: translateY(50%);
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.fixed-sidebar-item {
    width: 55px;
    height: 55px;
    background: var(--primary);
    color: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    font-size: 12px;
    line-height: 1.2;
    text-align: center;
}
.fixed-sidebar-item i {
    font-size: 18px;
    margin-bottom: 3px;
}
.fixed-sidebar-item:hover {
    background: var(--primary-dark);
    transform: scale(1.05);
}
.fixed-sidebar-item.green {
    background: #10b981;
}
.fixed-sidebar-item.green:hover {
    background: #059669;
}
.fixed-sidebar-item.blue {
    background: #0891b2;
}
.fixed-sidebar-item.blue:hover {
    background: #0e7490;
}
.fixed-sidebar-item.back-top {
    background: #64748b;
}
.fixed-sidebar-item.back-top:hover {
    background: #475569;
}

/* ========== 返回顶部 ========== */
.back-to-top {
    position: fixed;
    bottom: 80px;
    right: 20px;
    width: 45px;
    height: 45px;
    background: var(--primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 998;
    box-shadow: var(--shadow-md);
}
.back-to-top.show {
    opacity: 1;
    visibility: visible;
}
.back-to-top:hover {
    background: var(--primary-dark);
    color: #fff;
    transform: translateY(-3px);
}

/* ========== 404页面 ========== */
.error-page {
    text-align: center;
    padding: 80px 0;
}
.error-page h1 {
    font-size: 120px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 20px;
}
.error-page h2 {
    font-size: 28px;
    margin-bottom: 15px;
}
.error-page p {
    color: var(--text-muted);
    margin-bottom: 30px;
}

/* ========== 子栏目Tab ========== */
.sub-cat-tabs {
    display: flex;
    gap: 0;
    margin-bottom: 30px;
    border-bottom: 2px solid var(--border-color);
}
.sub-cat-tab {
    padding: 12px 24px;
    color: var(--text-muted);
    font-size: 15px;
    font-weight: 500;
    border-bottom: 3px solid transparent;
    transition: var(--transition);
    margin-bottom: -2px;
}
.sub-cat-tab:hover {
    color: var(--primary);
}
.sub-cat-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

/* ========== 响应式 ========== */
@media (max-width: 992px) {
    .navbar { height: auto; }
    .navbar-nav .nav-link { height: auto; line-height: normal; padding: 10px 0 !important; }
}

@media (max-width: 768px) {
    .section { padding: 40px 0; }
    .section-title h2 { font-size: 24px; }
    .section-title p { font-size: 13px; padding: 0 40px; }
    
    .banner-swiper { height: 260px; }
    .banner-swiper .swiper-wrapper { height: 260px !important; }
    .banner-swiper .swiper-slide { height: 260px; }
    .banner-swiper .banner-content h1 { font-size: 26px; letter-spacing: 2px; }
    .banner-swiper .banner-content p { font-size: 15px; }
    .banner-swiper .swiper-button-next,
    .banner-swiper .swiper-button-prev { display: none; }
    
    .page-banner { height: 150px; }
    .page-banner h1 { font-size: 24px; }
    
    .article-detail { padding: 20px; }
    .article-detail .article-title { font-size: 20px; }
    .article-detail .article-content { font-size: 15px; }
    
    .nav-placeholder { height: 60px; }
    
    .fixed-sidebar { display: none !important; }
    
    .back-to-top { bottom: 70px; right: 15px; width: 40px; height: 40px; }
    
    .navbar { height: auto; }
    .navbar-nav { gap: 0; padding: 10px 0; }
    .navbar-nav .nav-link { height: auto; line-height: normal; padding: 12px 0 !important; border-bottom: 1px solid var(--border-light); }
    .navbar-nav .nav-link::after { display: none; }
    .navbar-nav .nav-item:last-child .nav-link { border-bottom: none; }
    
    .service-card .card-img { height: 160px; }
    
    .home-news-item { flex-direction: column; align-items: flex-start; }
    .home-news-item .news-title { margin-right: 0; margin-bottom: 5px; }
    
    .news-list .news-item .news-item-inner {
        gap: 12px;
    }
    .news-list .news-item .cat-thumb {
        width: 80px;
        height: 70px;
    }
    .news-list .news-item .cat-thumb-text {
        font-size: 14px;
        letter-spacing: 1px;
        padding: 6px;
    }
    .news-list .news-item .news-row {
        flex-wrap: wrap;
    }
    .news-list .news-item .news-meta {
        width: 100%;
        justify-content: flex-end;
    }
    
    .footer-contact-info li { padding-left: 0; }
}

/* ========== 滚动动画 ========== */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
}
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}
.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

/* ========== 关于我们页面样式 ========== */
.about-page-content {
    line-height: 2;
    font-size: 16px;
    color: #334155;
}
.about-page-content img {
    max-width: 100%;
    border-radius: 8px;
    margin: 20px 0;
}

/* ========== 公司简介卡片 ========== */
.about-intro-section {
    background: var(--bg-light);
    padding: 60px 0;
}
.about-intro-text {
    font-size: 15px;
    line-height: 2;
    color: #475569;
    text-indent: 2em;
    margin-bottom: 20px;
}

/* ========== 新闻中心首页样式 ========== */
.home-news-section {
    background: #fff;
}
.home-news-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 0;
    border-bottom: 1px solid var(--border-light);
    transition: var(--transition);
}
.home-news-item:last-child { border-bottom: none; }
.home-news-item:hover {
    padding-left: 10px;
    background: var(--bg-light);
    border-radius: 4px;
}
.home-news-item .news-title {
    flex: 1;
    margin-right: 20px;
}
.home-news-item .news-title h4 {
    font-size: 15px;
    font-weight: 500;
    margin: 0;
}
.home-news-item .news-title h4 a {
    color: var(--text-dark);
}
.home-news-item .news-title h4 a:hover {
    color: var(--primary);
}
.home-news-item .news-meta {
    color: var(--text-light);
    font-size: 13px;
    flex-shrink: 0;
}

/* ========== 联系页面样式 ========== */
.contact-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    padding: 30px 0;
}
.contact-info-box {
    background: #fff;
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 28px;
    transition: var(--transition);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}
.contact-info-box:hover {
    box-shadow: 0 6px 20px rgba(8, 145, 178, 0.12);
    border-color: var(--primary-light);
    transform: translateY(-3px);
}
.contact-info-box h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 18px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--primary-bg);
    display: flex;
    align-items: center;
    gap: 8px;
}
.contact-info-box h3 i {
    color: var(--primary);
    font-size: 20px;
}
.contact-info-box p {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 12px;
    line-height: 1.8;
    display: flex;
    align-items: center;
    gap: 8px;
}
.contact-info-box p strong {
    color: var(--text-dark);
    min-width: 100px;
}
.contact-info-box p i {
    color: var(--primary);
    width: 20px;
    text-align: center;
}
@media (max-width: 768px) {
    .contact-section { grid-template-columns: 1fr; }
    .contact-info-box { padding: 20px; }
}

/* ========== 微信二维码弹窗 ========== */
.wechat-modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    justify-content: center;
    align-items: center;
    animation: fadeIn 0.3s ease;
}
.wechat-modal.show {
    display: flex;
}
.wechat-modal-content {
    background: #fff;
    border-radius: 16px;
    padding: 30px;
    text-align: center;
    max-width: 280px;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: slideUp 0.3s ease;
}
.wechat-close {
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 24px;
    color: #999;
    cursor: pointer;
    line-height: 1;
    transition: color 0.2s;
}
.wechat-close:hover {
    color: #333;
}
.wechat-modal-content h4 {
    margin: 0 0 20px;
    font-size: 18px;
    color: var(--text-dark);
    font-weight: 600;
}
.wechat-qr-img {
    width: 180px;
    height: 180px;
    margin: 0 auto 20px;
    padding: 10px;
    background: #fff;
    border: 1px solid #eee;
    border-radius: 8px;
}
.wechat-qr-img img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.wechat-modal-content p {
    margin: 0;
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}
.wechat-id {
    margin-top: 10px !important;
    color: var(--primary) !important;
    font-weight: 500;
}
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== 前台列表页 - 横向卡片风格（与后台控制台一致）===== */
.news-list {
    padding: 4px 0;
}
.news-list .news-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 22px;
    margin: 10px 0;
    border: 1px solid #eef2f7;
    border-radius: 10px;
    background: #ffffff;
    position: relative;
    transition: all .2s ease;
    border-bottom: 1px solid #eef2f7;
}
.news-list .news-item:last-child { border-bottom: 1px solid #eef2f7; }
.news-list .news-item::before {
    content: "";
    position: absolute;
    left: 0;
    top: 10px;
    bottom: 10px;
    width: 2px;
    background: transparent;
    border-radius: 2px;
    transition: background .2s ease;
}
.news-list .news-item:hover {
    padding-left: 22px;
    padding-right: 22px;
    border-color: #22d3ee;
    background: rgba(8, 145, 178, 0.04);
    box-shadow: 0 2px 10px rgba(8, 145, 178, 0.1);
    transform: translateX(2px);
}
.news-list .news-item:hover::before {
    background: #22d3ee;
}
.news-list .article-card-left {
    display: flex;
    align-items: center;
    gap: 14px;
    min-width: 0;
    flex: 1;
}
.news-list .cat-tag {
    display: inline-block;
    flex-shrink: 0;
    padding: 5px 12px;
    background: #fff7ed;
    color: #c2410c;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    border: 1px solid #fed7aa;
    line-height: 1.3;
}
.news-list .article-title {
    font-size: 17px;
    font-weight: 700;
    color: #0d1117;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    text-decoration: none;
    transition: color .2s;
    flex: 1;
    min-width: 0;
}
.news-list .article-title:hover {
    color: #0e7490;
}
.news-list .article-card-right {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-shrink: 0;
    margin-left: 20px;
}
.news-list .article-date,
.news-list .article-views {
    font-size: 13px;
    color: #6b7280;
    font-weight: 500;
    white-space: nowrap;
}
.news-list .article-date i,
.news-list .article-views i {
    color: #9ca3af;
    margin-right: 4px;
    font-size: 12px;
}

/* 前台列表页 - 移动端响应式 */
@media (max-width: 768px) {
    .news-list .news-item {
        padding: 14px 16px;
        margin: 8px 0;
        flex-wrap: wrap;
        gap: 8px;
    }
    .news-list .news-item:hover {
        transform: none;
    }
    .news-list .article-card-left {
        width: 100%;
        flex-wrap: wrap;
        gap: 10px;
    }
    .news-list .article-title {
        font-size: 15px;
        width: 100%;
        white-space: normal;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
    }
    .news-list .article-card-right {
        width: 100%;
        margin-left: 0;
        justify-content: flex-start;
        gap: 14px;
    }
}


/* ===== 栏目标签分色（cat-tag-{id}）===== */
/* ID 2 公司简介 - 蓝色 */
.news-list .cat-tag-2 { background: #eff6ff; color: #1d4ed8; border-color: #bfdbfe; }
/* ID 3 业务范围 - 靛蓝 */
.news-list .cat-tag-3 { background: #eef2ff; color: #4338ca; border-color: #c7d2fe; }
/* ID 4 新闻中心 - 青色（主色）*/
.news-list .cat-tag-4 { background: #ecfeff; color: #0e7490; border-color: #a5f3fc; }
/* ID 5 服务案例 - 紫色 */
.news-list .cat-tag-5 { background: #faf5ff; color: #7e22ce; border-color: #e9d5ff; }
/* ID 6 招标平台 - 琥珀橙 */
.news-list .cat-tag-6 { background: #fff7ed; color: #c2410c; border-color: #fed7aa; }
/* ID 7 荣誉资质 - 金黄 */
.news-list .cat-tag-7 { background: #fffbeb; color: #a16207; border-color: #fde68a; }
/* ID 8 联系我们 - 绿色 */
.news-list .cat-tag-8 { background: #f0fdf4; color: #15803d; border-color: #bbf7d0; }
/* ID 9 公司动态 - 青色（新闻中心主色）*/
.news-list .cat-tag-9 { background: #ecfeff; color: #0e7490; border-color: #a5f3fc; }
/* ID 10 行业动态 - 翠绿 */
.news-list .cat-tag-10 { background: #ecfdf5; color: #047857; border-color: #a7f3d0; }
/* ID 11 招标信息 - 深橙黄 */
.news-list .cat-tag-11 { background: #fffbeb; color: #b45309; border-color: #fcd34d; }
/* ID 12 中标信息 - 玫红 */
.news-list .cat-tag-12 { background: #fdf2f8; color: #be185d; border-color: #fbcfe8; }


/* ===== 前台顶部导航 - 子栏目下拉菜单 ===== */

/* 桌面端：父菜单相对定位，以便下拉菜单绝对定位 */
@media (min-width: 992px) {
    .navbar-nav > li.has-dropdown {
        position: relative;
    }

    /* 下拉箭头 */
    .navbar-nav .nav-caret {
        margin-left: 5px;
        font-size: 12px;
        transition: transform .2s ease;
        opacity: .7;
    }
    .navbar-nav > li.has-dropdown:hover > .nav-link .nav-caret {
        transform: rotate(180deg);
        opacity: 1;
    }

    /* 下拉容器 - 默认隐藏 */
    .navbar-nav .nav-dropdown-menu {
        position: absolute;
        top: 100%;
        left: 50%;
        transform: translateX(-50%) translateY(8px);
        min-width: 160px;
        padding: 8px 0;
        list-style: none;
        background: #ffffff;
        border-radius: 10px;
        box-shadow: 0 8px 24px rgba(15, 23, 42, 0.12);
        border: 1px solid rgba(226, 232, 240, 0.8);
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transition: all .22s ease;
        z-index: 999;
    }

    /* hover 展开 */
    .navbar-nav > li.has-dropdown:hover > .nav-dropdown-menu {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: translateX(-50%) translateY(0);
    }

    /* 顶部小三角 */
    .navbar-nav .nav-dropdown-menu::before {
        content: "";
        position: absolute;
        top: -6px;
        left: 50%;
        transform: translateX(-50%) rotate(45deg);
        width: 12px;
        height: 12px;
        background: #fff;
        border-left: 1px solid rgba(226, 232, 240, 0.8);
        border-top: 1px solid rgba(226, 232, 240, 0.8);
    }

    /* 子菜单项 */
    .navbar-nav .nav-dropdown-item {
        width: 100%;
    }
    .navbar-nav .nav-dropdown-item a {
        display: block;
        padding: 10px 20px;
        font-size: 14px;
        color: #334155;
        text-decoration: none;
        white-space: nowrap;
        transition: all .15s ease;
    }
    .navbar-nav .nav-dropdown-item a:hover,
    .navbar-nav .nav-dropdown-item a.active {
        background: rgba(8, 145, 178, 0.08);
        color: #0e7490;
    }
}

/* 移动端 - 折叠式手风琴展开（点击展开/收起） */
@media (max-width: 991.98px) {
    .navbar-nav .nav-caret {
        margin-left: 6px;
        font-size: 13px;
        transition: transform .2s ease;
    }
    .navbar-nav > li.has-dropdown.open > .nav-link .nav-caret {
        transform: rotate(180deg);
    }
    .navbar-nav .nav-dropdown-menu {
        list-style: none;
        padding: 0 0 0 18px;
        margin: 4px 0 8px 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height .25s ease;
        background: #f8fafc;
        border-radius: 8px;
    }
    .navbar-nav > li.has-dropdown.open > .nav-dropdown-menu {
        max-height: 500px;
    }
    .navbar-nav .nav-dropdown-item a {
        display: block;
        padding: 10px 14px;
        color: #475569;
        font-size: 14px;
        text-decoration: none;
        border-bottom: 1px solid #e2e8f0;
    }
    .navbar-nav .nav-dropdown-item:last-child a {
        border-bottom: none;
    }
    .navbar-nav .nav-dropdown-item a:hover,
    .navbar-nav .nav-dropdown-item a.active {
        color: #0e7490;
        background: rgba(8, 145, 178, 0.06);
    }
}


/* ======================================================================
   全站宽度自适应 · 补全响应式
   断点一览：
     XXL ≥1400 | XL ≥1200 | LG ≥992 | MD ≥768 | SM ≥576 | XS <576
   Bootstrap 的 col-lg-* / col-md-* 在 <992 时自动堆叠，这里只补：
     - 容器 max-width 细化
     - 横向溢出保护
     - 标题/字号/内边距逐档缩小
     - 组件宽度逐档调整
   ====================================================================== */

/* ---------- 0. 全局溢出保护 & 基础响应式 ---------- */
html, body {
    max-width: 100%;
    overflow-x: hidden;
}

/* Bootstrap container 适配：在大屏加宽（默认 1140 略窄）*/
@media (min-width: 1200px) {
    .container { max-width: 1180px; }
}
@media (min-width: 1400px) {
    .container { max-width: 1320px; }
}

/* 所有表格 & 富文本图片不溢出 */
table { width: 100%; max-width: 100%; border-collapse: collapse; }
.article-detail,
.about-page-content,
.page-content {
    word-break: break-word;
    word-wrap: break-word;
    overflow-wrap: break-word;
}
.article-detail .article-content img,
.about-page-content img,
.page-content img {
    max-width: 100% !important;
    height: auto !important;
    display: block;
    margin-left: auto;
    margin-right: auto;
    border-radius: 6px;
}
/* 详情页表格在窄屏下可横向滚动 */
.article-detail .article-content table,
.about-page-content table {
    display: block;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    white-space: normal;
}

/* 视频/iframe 自适应 */
iframe, embed, object, video {
    max-width: 100% !important;
}

/* ---------- 1. 超大屏（≥1400）视觉放大 ---------- */
@media (min-width: 1400px) {
    body { font-size: 16px; line-height: 1.8; }
    .section { padding: 72px 0; }
    .section-title h2 { font-size: 34px; }
    .section-title { margin-bottom: 60px; }
    .banner-swiper { height: 540px; }
    .banner-swiper .swiper-wrapper { height: 540px !important; }
    .banner-swiper .swiper-slide { height: 540px; }
    .banner-swiper .banner-content h1 { font-size: 54px; }
    .banner-swiper .banner-content p  { font-size: 22px; }
    .service-card .card-img { height: 220px; }
    .news-list .article-title { font-size: 18px; }
    .article-detail .article-title { font-size: 30px; }
    .article-detail .article-content { font-size: 16px; line-height: 1.9; }
}

/* ---------- 2. 大屏（1200–1399） ---------- */
@media (min-width: 1200px) and (max-width: 1399.98px) {
    .section { padding: 64px 0; }
    .banner-swiper { height: 500px; }
    .banner-swiper .swiper-wrapper { height: 500px !important; }
    .banner-swiper .swiper-slide { height: 500px; }
    .banner-swiper .banner-content h1 { font-size: 50px; }
}

/* ---------- 3. 平板 / 小桌面（992–1199） ---------- */
@media (min-width: 992px) and (max-width: 1199.98px) {
    body { font-size: 15px; }
    .section { padding: 56px 0; }
    .section-title h2 { font-size: 28px; }
    .section-title { margin-bottom: 42px; }

    .navbar-nav .nav-link { padding: 0 14px !important; font-size: 14px; }

    .banner-swiper { height: 420px; }
    .banner-swiper .swiper-wrapper { height: 420px !important; }
    .banner-swiper .swiper-slide { height: 420px; }
    .banner-swiper .banner-content h1 { font-size: 40px; letter-spacing: 3px; }
    .banner-swiper .banner-content p  { font-size: 18px; }

    .service-card .card-img { height: 180px; }

    .page-banner { height: 200px; }
    .page-banner h1 { font-size: 28px; }

    .article-detail .article-title { font-size: 24px; }
}

/* ---------- 4. 平板 / 大屏手机（768–991） ---------- */
@media (min-width: 768px) and (max-width: 991.98px) {
    body { font-size: 15px; }
    .section { padding: 48px 0; }
    .section-title h2 { font-size: 26px; }
    .section-title p { font-size: 13px; padding: 0 30px; }

    .banner-swiper { height: 340px; }
    .banner-swiper .swiper-wrapper { height: 340px !important; }
    .banner-swiper .swiper-slide { height: 340px; }
    .banner-swiper .banner-content h1 { font-size: 32px; letter-spacing: 2px; }
    .banner-swiper .banner-content p  { font-size: 16px; }

    .page-banner { height: 180px; }
    .page-banner h1 { font-size: 26px; }

    .article-detail { padding: 24px; }
    .article-detail .article-title { font-size: 22px; }
    .article-detail .article-content { font-size: 15px; line-height: 1.85; }

    .news-list .news-item { padding: 14px 18px; }
    .news-list .article-title { font-size: 16px; }

    /* 侧边栏两栏保持，但字号略缩小 */
    .sidebar-widget h4 { font-size: 15px; }
    .sidebar-widget { font-size: 14px; }

    .footer-contact-info li { font-size: 13px !important; }
}

/* ---------- 5. 小屏手机（576–767） ---------- */
@media (min-width: 576px) and (max-width: 767.98px) {
    body { font-size: 15px; line-height: 1.75; }
    .section { padding: 40px 0; }
    .section-title h2 { font-size: 24px; }
    .section-title p { font-size: 13px; padding: 0 24px; }
    .section-title { margin-bottom: 32px; }

    .banner-swiper { height: 280px; }
    .banner-swiper .swiper-wrapper { height: 280px !important; }
    .banner-swiper .swiper-slide { height: 280px; }
    .banner-swiper .banner-content h1 { font-size: 28px; letter-spacing: 2px; }
    .banner-swiper .banner-content p  { font-size: 15px; }

    .page-banner { height: 160px; }
    .page-banner h1 { font-size: 22px; }

    .article-detail { padding: 18px; }
    .article-detail .article-title { font-size: 20px; line-height: 1.4; }
    .article-detail .article-content { font-size: 15px; }
    .article-detail .article-content h2 { font-size: 20px; }
    .article-detail .article-content h3 { font-size: 17px; }

    .news-list .article-title { font-size: 15px; }
    .news-list .cat-tag { font-size: 12px; padding: 4px 10px; }

    .sidebar-widget { padding: 16px !important; margin-bottom: 18px !important; }
    .sidebar-widget h4 { font-size: 16px; margin-bottom: 14px !important; }

    .footer { padding: 40px 0 20px !important; }
    .footer h5 { font-size: 16px; }
    .footer-contact-info li { font-size: 13px !important; }
    .copyright-info { font-size: 12px !important; }

    .pagination li a,
    .pagination li span {
        min-width: 38px !important;
        height: 38px !important;
        line-height: 36px !important;
        padding: 0 10px !important;
        font-size: 14px;
    }
}

/* ---------- 6. 超小屏 / 窄屏手机（<576） ---------- */
@media (max-width: 575.98px) {
    body { font-size: 14px; line-height: 1.75; }
    .container { padding-left: 14px !important; padding-right: 14px !important; }
    .row { margin-left: -8px !important; margin-right: -8px !important; }
    .row > [class*="col-"] { padding-left: 8px !important; padding-right: 8px !important; }

    .section { padding: 32px 0; }
    .section-title h2 { font-size: 22px; }
    .section-title p { font-size: 12px; padding: 0 20px; }
    .section-title p::before,
    .section-title p::after { display: none; }
    .section-title { margin-bottom: 28px; }

    /* 导航 */
    .navbar { height: auto; padding: 6px 0 !important; }
    .brand-name { font-size: 14px !important; }
    .brand-icon { width: 36px !important; height: 36px !important; font-size: 14px !important; }
    .nav-placeholder { height: 60px !important; }

    /* 轮播 */
    .banner-swiper { height: 220px; }
    .banner-swiper .swiper-wrapper { height: 220px !important; }
    .banner-swiper .swiper-slide { height: 220px; }
    .banner-swiper .banner-content h1 { font-size: 22px; letter-spacing: 1px; margin-bottom: 10px; }
    .banner-swiper .banner-content p  { font-size: 13px; letter-spacing: 1px; }

    /* Banner 页头 */
    .page-banner { height: 140px; }
    .page-banner h1 { font-size: 20px; }
    .page-banner p  { font-size: 13px; }

    /* 子栏目 Tab */
    .sub-cat-tabs { flex-wrap: wrap; gap: 6px !important; }
    .sub-cat-tab { font-size: 13px; padding: 8px 14px !important; }

    /* 面包屑 */
    .breadcrumb { padding: 12px 14px !important; font-size: 13px !important; }

    /* 文章卡片（新闻中心/招标平台列表）*/
    .news-list .news-item {
        padding: 12px 14px;
        margin: 8px 0;
    }
    .news-list .cat-tag { font-size: 12px; padding: 4px 9px; }
    .news-list .article-title {
        font-size: 15px;
        width: 100%;
        white-space: normal;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        display: -webkit-box;
    }
    .news-list .article-date,
    .news-list .article-views { font-size: 12px; }

    /* 文章详情 */
    .article-detail { padding: 16px; border-radius: 6px !important; }
    .article-detail .article-title { font-size: 19px; line-height: 1.35; margin-bottom: 10px; }
    .article-detail .article-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px !important;
        font-size: 12px;
        padding-bottom: 12px !important;
    }
    .article-detail .article-content { font-size: 15px; line-height: 1.85; }
    .article-detail .article-content h2 { font-size: 18px; }
    .article-detail .article-content h3 { font-size: 16px; }
    .article-detail .article-content p  { margin-bottom: 14px; }
    .article-detail .article-content blockquote { padding: 14px 16px; font-size: 14px; }
    .article-detail .article-content table th,
    .article-detail .article-content table td {
        padding: 8px 10px;
        font-size: 13px;
    }

    /* 侧边栏 */
    .sidebar-widget { padding: 16px !important; margin-bottom: 16px !important; border-radius: 6px !important; }
    .sidebar-widget h4 { font-size: 15px; margin-bottom: 12px !important; }
    .sidebar-widget a, .sidebar-widget p { font-size: 13px; }

    /* 分页 */
    .pagination {
        flex-wrap: wrap;
        gap: 6px;
        margin-top: 24px !important;
    }
    .pagination li a,
    .pagination li span {
        min-width: 36px !important;
        height: 36px !important;
        line-height: 34px !important;
        padding: 0 8px !important;
        font-size: 13px;
    }

    /* 关于我们 / 业务范围 */
    .about-page-content { font-size: 15px; line-height: 1.9; text-indent: 2em; }
    .about-intro-section { padding: 32px 0; }
    .service-card .card-img { height: 160px; }

    /* 底部联系信息 */
    .footer { padding: 32px 0 16px !important; }
    .footer h5 { font-size: 15px; margin-bottom: 14px !important; }
    .footer-contact-info li { font-size: 13px !important; margin-bottom: 6px !important; }
    .footer-contact-info i { width: 18px !important; display: inline-block; }
    .copyright-info {
        padding: 14px 0 !important;
        font-size: 12px !important;
        line-height: 1.8;
    }

    /* 返回顶部 & 右侧悬浮 */
    .back-to-top {
        bottom: 20px;
        right: 12px;
        width: 38px;
        height: 38px;
        font-size: 16px;
    }
    .fixed-sidebar { display: none !important; }

    /* 首页：业务范围卡片网格 */
    .home-news-item { flex-direction: column; align-items: flex-start; gap: 6px; }
    .home-news-item .news-title { margin-right: 0; margin-bottom: 0; }
    .home-news-item .news-meta { justify-content: flex-start; }
}

/* ---------- 7. 404 页 & 登录页额外兼容 ---------- */
.error-404 { padding: 60px 20px; text-align: center; }
.error-404 h1 {
    font-size: clamp(64px, 16vw, 128px);
    margin: 0;
}
.error-404 h2 { font-size: clamp(18px, 4vw, 28px); }

@media (max-width: 768px) {
    .error-404 { padding: 40px 16px; }
}