/* ========== KSKB Template - Corporate Tech Style ========== */
:root {
    --primary: #0a2463;
    --primary-light: #1e3a8a;
    --accent: #e8a838;
    --accent-hover: #d4942e;
    --text: #333;
    --text-light: #666;
    --bg-light: #f8f9fc;
    --bg-dark: #0a1628;
    --white: #fff;
    --border: #e5e7eb;
    --shadow: 0 4px 20px rgba(10,36,99,.08);
    --radius: 12px;
}
* { box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif; color: var(--text); margin: 0; padding: 0; line-height: 1.6; }
a { color: inherit; text-decoration: none; transition: color .2s; }
a:hover { color: var(--accent); }
img { max-width: 100%; height: auto; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ========== Header ========== */
.kskb-header { background: var(--white); box-shadow: 0 2px 10px rgba(0,0,0,.06); position: sticky; top: 0; z-index: 1000; }
.kskb-header .container { display: flex; align-items: center; justify-content: space-between; height: 80px; }
.kskb-header .logo img { height: 48px; }
.kskb-header .logo-text { font-size: 22px; font-weight: 700; color: var(--primary); }
.kskb-nav { display: flex; align-items: center; gap: 4px; }
.kskb-nav .nav-item { position: relative; }
.kskb-nav .nav-link { display: block; padding: 8px 16px; font-size: 15px; color: var(--text); border-radius: 6px; transition: all .2s; }
.kskb-nav .nav-link:hover, .kskb-nav .nav-link.active { color: var(--primary); background: var(--bg-light); }
.kskb-nav .dropdown-menu { position: absolute; top: 100%; left: 0; min-width: 180px; background: var(--white); border-radius: 8px; box-shadow: var(--shadow); padding: 8px 0; display: none; z-index: 100; }
.kskb-nav .nav-item:hover .dropdown-menu { display: block; }
.kskb-nav .dropdown-item { display: block; padding: 8px 20px; font-size: 14px; color: var(--text); }
.kskb-nav .dropdown-item:hover { color: var(--primary); background: var(--bg-light); }
.nav-toggle { display: none; background: none; border: none; font-size: 24px; cursor: pointer; color: var(--primary); }

/* ========== Hero ========== */
.kskb-hero { position: relative; min-height: 520px; display: flex; align-items: center; justify-content: center; text-align: center; color: var(--white); background: linear-gradient(135deg, #0a1628 0%, #0a2463 50%, #1e3a8a 100%); overflow: hidden; }
.kskb-hero::before { content: ''; position: absolute; inset: 0; background: url('../images/uploads/about-company.jpg') center/cover no-repeat; opacity: .15; }
.kskb-hero::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(10,22,40,.6) 0%, rgba(10,36,99,.4) 100%); }
.kskb-hero-content { position: relative; z-index: 2; max-width: 800px; padding: 40px 20px; }
.kskb-hero h1 { font-size: 48px; font-weight: 700; margin: 0 0 16px; letter-spacing: 2px; }
.kskb-hero h1 span { color: var(--accent); }
.kskb-hero p { font-size: 18px; opacity: .9; margin: 0 0 32px; line-height: 1.8; }
.kskb-hero .btn-hero { display: inline-block; padding: 14px 40px; background: var(--accent); color: var(--white); border-radius: 30px; font-size: 16px; font-weight: 600; transition: all .3s; border: none; }
.kskb-hero .btn-hero:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 8px 25px rgba(232,168,56,.3); color: var(--white); }

/* ========== Section Common ========== */
.kskb-section { padding: 80px 0; }
.kskb-section.bg-light { background: var(--bg-light); }
.kskb-section-title { text-align: center; margin-bottom: 50px; }
.kskb-section-title .subtitle { font-size: 14px; color: var(--accent); font-weight: 600; text-transform: uppercase; letter-spacing: 3px; margin-bottom: 8px; }
.kskb-section-title h2 { font-size: 36px; font-weight: 700; color: var(--primary); margin: 0; }
.kskb-section-title h2::after { content: ''; display: block; width: 60px; height: 3px; background: var(--accent); margin: 16px auto 0; border-radius: 2px; }

/* ========== About Section ========== */
.kskb-about { display: flex; gap: 50px; align-items: center; }
.kskb-about-text { flex: 1; }
.kskb-about-text p { font-size: 15px; color: var(--text-light); line-height: 2; margin-bottom: 20px; }
.kskb-about-img { flex: 1; }
.kskb-about-img mip-img { border-radius: var(--radius); box-shadow: var(--shadow); }
.btn-more { display: inline-block; padding: 12px 32px; background: var(--primary); color: var(--white); border-radius: 30px; font-size: 14px; font-weight: 500; transition: all .3s; }
.btn-more:hover { background: var(--primary-light); color: var(--white); transform: translateY(-2px); }

/* ========== Product Cards ========== */
.kskb-product-tabs { display: flex; justify-content: center; gap: 12px; margin-bottom: 40px; flex-wrap: wrap; }
.kskb-product-tabs .tab-btn { padding: 10px 24px; background: var(--white); border: 2px solid var(--border); border-radius: 30px; font-size: 14px; color: var(--text); cursor: pointer; transition: all .2s; }
.kskb-product-tabs .tab-btn:hover, .kskb-product-tabs .tab-btn.active { background: var(--primary); color: var(--white); border-color: var(--primary); }
.kskb-products { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 24px; }
.kskb-product-card { background: var(--white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: all .3s; }
.kskb-product-card:hover { transform: translateY(-6px); box-shadow: 0 12px 40px rgba(10,36,99,.12); }
.kskb-product-card .card-img { aspect-ratio: 4/3; overflow: hidden; }
.kskb-product-card .card-img mip-img { width: 100%; height: 100%; object-fit: cover; }
.kskb-product-card .card-body { padding: 16px; text-align: center; }
.kskb-product-card .card-body h3 { font-size: 16px; font-weight: 600; color: var(--primary); margin: 0 0 8px; }
.kskb-product-card .card-body .card-desc { font-size: 13px; color: var(--text-light); line-height: 1.6; margin: 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ========== Solution Tabs ========== */
.kskb-solutions { display: flex; gap: 40px; align-items: stretch; }
.kskb-solution-tabs { display: flex; flex-direction: column; gap: 4px; min-width: 200px; }
.kskb-solution-tabs .tab-item { padding: 16px 20px; background: transparent; border: none; text-align: left; font-size: 15px; color: var(--text); cursor: pointer; border-left: 3px solid transparent; transition: all .2s; border-radius: 0 8px 8px 0; }
.kskb-solution-tabs .tab-item:hover { background: var(--bg-light); }
.kskb-solution-tabs .tab-item.active { background: var(--primary); color: var(--white); border-left-color: var(--accent); }
.kskb-solution-content { flex: 1; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.kskb-solution-card[data-cid] { /* controlled by JS */ }
.kskb-solution-card { background: var(--white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: all .3s; }
.kskb-solution-card:hover { transform: translateY(-4px); box-shadow: 0 8px 30px rgba(10,36,99,.1); }
.kskb-solution-card .card-img { aspect-ratio: 16/9; overflow: hidden; }
.kskb-solution-card .card-img mip-img { width: 100%; height: 100%; object-fit: cover; }
.kskb-solution-card .card-body { padding: 16px; }
.kskb-solution-card .card-body h4 { font-size: 15px; font-weight: 600; color: var(--primary); margin: 0; }

/* ========== News Section ========== */
.kskb-news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.kskb-news-card { background: var(--white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: all .3s; }
.kskb-news-card:hover { transform: translateY(-4px); box-shadow: 0 8px 30px rgba(10,36,99,.12); }
.kskb-news-card .news-thumb { aspect-ratio: 16/9; overflow: hidden; }
.kskb-news-card .news-thumb mip-img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s; }
.kskb-news-card:hover .news-thumb mip-img { transform: scale(1.05); }
.kskb-news-card .news-body { padding: 20px; }
.kskb-news-card .news-date { font-size: 13px; color: var(--accent); font-weight: 500; margin-bottom: 8px; }
.kskb-news-card .news-title { font-size: 15px; font-weight: 600; color: var(--text); line-height: 1.6; margin: 0 0 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.kskb-news-card:hover .news-title { color: var(--primary); }
.kskb-news-card .news-desc { font-size: 13px; color: var(--text-light); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin: 0; }
.kskb-news-card .news-more { display: inline-block; margin-top: 12px; font-size: 13px; color: var(--primary); font-weight: 500; }

/* ========== Partners ========== */
.kskb-partners { text-align: center; padding: 60px 0; background: var(--bg-light); }
.kskb-partners-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 30px; margin-top: 30px; }
.kskb-partners-grid mip-img { height: 50px; filter: grayscale(1); opacity: .6; transition: all .3s; }
.kskb-partners-grid mip-img:hover { filter: grayscale(0); opacity: 1; }

/* ========== Footer ========== */
.kskb-footer { background: var(--bg-dark); color: rgba(255,255,255,.7); padding: 60px 0 0; }
.kskb-footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
.kskb-footer h6 { color: var(--white); font-size: 16px; font-weight: 600; margin-bottom: 20px; position: relative; padding-bottom: 12px; }
.kskb-footer h6::after { content: ''; position: absolute; bottom: 0; left: 0; width: 30px; height: 2px; background: var(--accent); }
.kskb-footer ul { list-style: none; padding: 0; margin: 0; }
.kskb-footer ul li { margin-bottom: 10px; }
.kskb-footer ul li a { font-size: 14px; color: rgba(255,255,255,.6); transition: color .2s; }
.kskb-footer ul li a:hover { color: var(--accent); }
.kskb-footer .footer-bottom { border-top: 1px solid rgba(255,255,255,.1); margin-top: 40px; padding: 20px 0; text-align: center; font-size: 13px; color: rgba(255,255,255,.4); }

/* ========== Breadcrumb ========== */
.breadcrumb { display: flex; gap: 8px; padding: 16px 0; margin: 0; list-style: none; font-size: 14px; color: var(--text-light); border-bottom: 1px solid var(--border); }
.breadcrumb li { display: flex; align-items: center; gap: 8px; }
.breadcrumb li + li::before { content: '/'; color: #ccc; }
.breadcrumb li a { color: var(--primary); }
.breadcrumb li a:hover { color: var(--accent); }

/* ========== Article Pages ========== */
.kskb-article-layout { display: grid; grid-template-columns: 1fr 340px; gap: 30px; padding: 30px 0 60px; }
.kskb-article-main .article-title { font-size: 28px; font-weight: 700; color: var(--primary); margin: 0 0 16px; line-height: 1.4; }
.kskb-article-main .article-meta { font-size: 13px; color: var(--text-light); margin-bottom: 24px; display: flex; gap: 16px; flex-wrap: wrap; }
.kskb-article-main .article-content { font-size: 15px; line-height: 2; color: var(--text); }
.kskb-article-main .article-content mip-img { border-radius: 8px; margin: 16px 0; }
.kskb-article-main .article-content p { margin-bottom: 16px; }
.kskb-article-main .prev-next { display: flex; justify-content: space-between; padding: 20px 0; border-top: 1px solid var(--border); margin-top: 30px; font-size: 14px; }
.kskb-article-main .prev-next a { color: var(--primary); }

/* Sidebar */
.kskb-sidebar .sidebar-box { background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow); margin-bottom: 24px; overflow: hidden; }
.kskb-sidebar .sidebar-box h3 { font-size: 16px; font-weight: 600; color: var(--primary); padding: 16px 20px; border-bottom: 2px solid var(--accent); margin: 0; }
.kskb-sidebar .sidebar-box ul { list-style: none; padding: 12px 20px; margin: 0; }
.kskb-sidebar .sidebar-box ul li { padding: 10px 0; border-bottom: 1px solid var(--border); font-size: 14px; }
.kskb-sidebar .sidebar-box ul li:last-child { border-bottom: none; }
.kskb-sidebar .sidebar-box ul li a { color: var(--text); display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.kskb-sidebar .sidebar-box ul li a:hover { color: var(--primary); }
.kskb-sidebar .sidebar-box ul li p { font-size: 12px; color: var(--text-light); margin: 4px 0 0; }

/* Tag Cloud */
.tag-cloud { padding: 16px 20px; display: flex; flex-wrap: wrap; gap: 8px; }
.tag-cloud a { display: inline-block; padding: 4px 12px; background: var(--bg-light); border-radius: 20px; font-size: 13px; color: var(--text-light); transition: all .2s; }
.tag-cloud a:hover { background: var(--primary); color: var(--white); }

/* ========== Category List Page ========== */
.kskb-category-header { background: var(--primary); color: var(--white); padding: 50px 0; text-align: center; }
.kskb-category-header h1 { font-size: 32px; font-weight: 700; margin: 0; }
.kskb-article-list { padding: 30px 0 60px; }
.kskb-list-item { display: flex; gap: 20px; padding: 20px 0; border-bottom: 1px solid var(--border); }
.kskb-list-item .item-media { width: 200px; flex-shrink: 0; border-radius: 8px; overflow: hidden; }
.kskb-list-item .item-media mip-img { width: 100%; height: 130px; object-fit: cover; }
.kskb-list-item .item-content { flex: 1; }
.kskb-list-item .item-content h3 { font-size: 18px; font-weight: 600; margin: 0 0 8px; }
.kskb-list-item .item-content h3 a { color: var(--text); }
.kskb-list-item .item-content h3 a:hover { color: var(--primary); }
.kskb-list-item .item-content p { font-size: 14px; color: var(--text-light); line-height: 1.6; margin: 0 0 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.kskb-list-item .item-content .item-date { font-size: 13px; color: var(--accent); }

/* ========== Pagination ========== */
.kskb-pagination { display: flex; justify-content: center; gap: 8px; padding: 30px 0; }
.kskb-pagination a, .kskb-pagination span { display: inline-block; padding: 8px 16px; border: 1px solid var(--border); border-radius: 6px; font-size: 14px; color: var(--text); transition: all .2s; }
.kskb-pagination a:hover { background: var(--primary); color: var(--white); border-color: var(--primary); }
.kskb-pagination .active { background: var(--primary); color: var(--white); border-color: var(--primary); }

/* ========== Search Page ========== */
.kskb-search-hero { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%); padding: 80px 0; text-align: center; color: var(--white); }
.kskb-search-hero h2 { font-size: 32px; margin: 0 0 24px; }
.kskb-search-form { max-width: 600px; margin: 0 auto; display: flex; gap: 8px; }
.kskb-search-form input { flex: 1; padding: 14px 20px; border: none; border-radius: 30px; font-size: 15px; outline: none; }
.kskb-search-form button { padding: 14px 32px; background: var(--accent); color: var(--white); border: none; border-radius: 30px; font-size: 15px; font-weight: 600; cursor: pointer; transition: background .2s; }
.kskb-search-form button:hover { background: var(--accent-hover); }
.kskb-search-results { padding: 40px 0; }
.kskb-search-results .result-item { padding: 20px 0; border-bottom: 1px solid var(--border); }
.kskb-search-results .result-item h3 { font-size: 18px; margin: 0 0 8px; }
.kskb-search-results .result-item h3 a { color: var(--primary); }
.kskb-search-results .result-item p { font-size: 14px; color: var(--text-light); margin: 0; }

/* ========== Tag Page ========== */
.kskb-tag-header { background: var(--primary); color: var(--white); padding: 50px 0; text-align: center; }
.kskb-tag-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; padding: 40px 0; }
.kskb-tag-card { background: var(--white); border-radius: 8px; padding: 20px; box-shadow: var(--shadow); text-align: center; transition: all .2s; }
.kskb-tag-card:hover { transform: translateY(-4px); }
.kskb-tag-card a { font-size: 15px; color: var(--primary); font-weight: 500; }

/* ========== Login Page ========== */
.kskb-login { max-width: 420px; margin: 60px auto; padding: 40px; background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow); }
.kskb-login h2 { text-align: center; color: var(--primary); margin-bottom: 30px; }

/* ========== Tag Detail Header ========== */
.kskb-tag-info { display: flex; align-items: center; gap: 20px; padding: 30px 0; border-bottom: 1px solid var(--border); margin-bottom: 30px; }
.kskb-tag-info .tag-icon { width: 60px; height: 60px; background: var(--primary); color: var(--white); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 24px; font-weight: 700; flex-shrink: 0; }
.kskb-tag-info h2 { font-size: 24px; font-weight: 700; color: var(--primary); margin: 0; }
.kskb-tag-info p { font-size: 14px; color: var(--text-light); margin: 4px 0 0; }

/* ========== Search Page Extras ========== */
.kskb-so-hot-words { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.kskb-so-hot-words a { padding: 4px 14px; background: var(--bg-light); border-radius: 20px; font-size: 13px; color: var(--text-light); }
.kskb-so-hot-words a:hover { background: var(--primary); color: var(--white); }

/* ========== MIP Components ========== */
mip-gototop { position: fixed !important; bottom: 30px; right: 30px; z-index: 999; }

/* ========== MIP Link Style ========== */
a[data-type="mip"] { cursor: pointer; }

/* ========== Responsive ========== */
@media (max-width: 992px) {
    .kskb-about { flex-direction: column; }
    .kskb-solutions { flex-direction: column; }
    .kskb-solution-tabs { flex-direction: row; flex-wrap: wrap; }
    .kskb-solution-content { grid-template-columns: repeat(2, 1fr); }
    .kskb-news-grid { grid-template-columns: repeat(2, 1fr); }
    .kskb-article-layout { grid-template-columns: 1fr; }
    .kskb-footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .kskb-hero h1 { font-size: 32px; }
    .kskb-hero p { font-size: 15px; }
    .kskb-section { padding: 50px 0; }
    .kskb-section-title h2 { font-size: 26px; }
    .kskb-products { grid-template-columns: repeat(2, 1fr); }
    .kskb-solution-content { grid-template-columns: 1fr; }
    .kskb-news-grid { grid-template-columns: 1fr; }
    .kskb-footer-grid { grid-template-columns: 1fr; }
    .kskb-nav { display: none; }
    .nav-toggle { display: block; }
    .kskb-nav.show { display: flex; flex-direction: column; position: absolute; top: 80px; left: 0; right: 0; background: var(--white); box-shadow: var(--shadow); padding: 16px; z-index: 100; }
    .kskb-list-item { flex-direction: column; }
    .kskb-list-item .item-media { width: 100%; }
    .kskb-tag-grid { grid-template-columns: repeat(2, 1fr); }
    .kskb-category-header h1 { font-size: 24px; }
    .kskb-article-main .article-title { font-size: 22px; }
}

/* ========== 产品栏目切换面板 ========== */
.kskb-product-panels { margin-top: 8px; }
.kskb-product-panel { display: grid; grid-template-columns: 1fr 1.2fr; gap: 40px; align-items: center; background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow); padding: 40px; }
.kskb-product-panel.panel-hide { display: none; }
.kskb-product-panel .panel-info h3 { font-size: 24px; color: var(--primary); font-weight: 700; margin: 0 0 16px; }
.kskb-product-panel .panel-info p { font-size: 14px; color: var(--text-light); line-height: 1.8; margin: 0 0 24px; }
.kskb-product-panel .panel-media a { display: block; }
.kskb-product-panel .panel-media h4 { font-size: 15px; color: var(--text); margin: 12px 0 0; font-weight: 600; transition: color .2s; }
.kskb-product-panel .panel-media a:hover h4 { color: var(--primary); }
@media (max-width: 768px) { .kskb-product-panel { grid-template-columns: 1fr; padding: 24px; gap: 20px; } }