/* ==============================================
   法品科技官网样式 - style.css
   ============================================== */

/* 基础重置 */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body { font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif; color: #333; background: #fff; line-height: 1.6; }
a { text-decoration: none; color: inherit; transition: all 0.3s; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ==============================================
   顶部 �?三层结构
   ============================================== */
.header { width: 100%; position: relative; z-index: 1000; }
.clearfix::after { content: ""; display: table; clear: both; }

/* --- 第一层：顶部细条 --- */
.header-top { height: 40px; line-height: 40px; background: #f4f4f4; font-size: 13px; color: #888; border-bottom: 1px solid #eee; }
.header-top-left { float: left; }
.header-top-right { float: right; display: flex; align-items: center; gap: 0; }
.header-top-right a { color: #666; padding: 0 10px; transition: color 0.3s; }
.header-top-right a:hover { color: #1a56db; }
.header-top-right .sep { color: #ddd; padding: 0 2px; }
.lang-switch-mini { cursor: pointer; padding: 0 10px; color: #666; transition: color 0.3s; }
.lang-switch-mini:hover { color: #1a56db; }

/* --- 第二层：logo + 标语 + 电话 --- */
.header-mid { background: #fff; padding: 18px 0; }
.header-logo { float: left; }
.header-logo a { display: flex; align-items: center; }
.header-logo img { height: 52px; width: auto; }
.logo-text-fallback { font-size: 24px; font-weight: 700; color: #1a56db; }
.header-slogan { float: left; margin-left: 24px; padding-left: 24px; border-left: 1px solid #ddd; padding-top: 4px; }
.header-slogan strong { display: block; font-size: 22px; color: #023793; margin-bottom: 5px; line-height: 1.3; }
.header-slogan span { display: block; font-size: 15px; color: #999; }
.header-tel { float: right; display: flex; align-items: center; gap: 14px; margin-top: 4px; }
.header-tel-icon { width: 46px; height: 46px; }
.header-tel-icon img { width: 100%; height: 100%; object-fit: contain; }
.header-tel-info span { display: block; font-size: 13px; color: #999; line-height: 1.4; }
.header-tel-info strong { display: block; font-size: 28px; font-family: Impact, "Arial Narrow", sans-serif; color: #023793; line-height: 1.1; letter-spacing: 1px; }

/* --- 头部中区入场动画 --- */
@keyframes hdrFadeLeft { from { opacity: 0; transform: translateX(-28px); } to { opacity: 1; transform: none; } }
@keyframes hdrFadeRight { from { opacity: 0; transform: translateX(28px); } to { opacity: 1; transform: none; } }
@keyframes hdrTelNum { from { opacity: 0; letter-spacing: 4px; } to { opacity: 1; letter-spacing: 1px; } }
.header-logo { animation: hdrFadeLeft 0.6s cubic-bezier(.22,.6,.36,1) 0.05s both; }
.header-slogan { animation: hdrFadeLeft 0.6s cubic-bezier(.22,.6,.36,1) 0.22s both; }
.header-tel { animation: hdrFadeRight 0.6s cubic-bezier(.22,.6,.36,1) 0.15s both; }
.header-tel-info strong { animation: hdrTelNum 0.8s ease 0.5s both; }

/* --- 第三层：深蓝导航条 --- */
.header-nav { background: #4177b7; }
.nav-list { display: flex; list-style: none; margin: 0; padding: 0; }
.nav-li { position: relative; }
.nav-li > a { display: block; font-size: 16px; line-height: 70px; padding: 0 38px; color: #fff; white-space: nowrap; transition: background 0.3s; }
.nav-li > a:hover,
.nav-li.active > a { background: rgba(0,0,0,0.25); color: #fff; }
/* 二级下拉 */
.nav-dropdown { position: absolute; top: 100%; left: 0; min-width: 100%; background: #fff; box-shadow: 0 12px 36px rgba(0,0,0,0.13); z-index: 200; display: none; border-radius: 0 0 6px 6px; overflow: visible; }
.nav-li:hover .nav-dropdown { display: block; }
.nav-sub-item { position: relative; }
.nav-sub-link { display: block; padding: 0 22px; font-size: 14px; line-height: 46px; color: #333; border-left: 3px solid transparent; border-bottom: 1px solid #f5f5f5; white-space: nowrap; transition: all 0.2s; }
.nav-sub-item:last-child .nav-sub-link { border-bottom: none; }
.nav-sub-item:has(.nav-sub3-link) > .nav-sub-link::after { content: '›'; float: right; margin-left: 12px; color: #bbb; font-size: 18px; transition: color 0.2s; }
.nav-sub-item:hover > .nav-sub-link { color: #4177b7; background: #f0f5ff; border-left-color: #4177b7; }
.nav-sub-item:hover > .nav-sub-link::after { color: #4177b7; }
/* 三级飞出面板 */
.nav-sub3-panel { display: none; position: absolute; left: 100%; top: 0; width: 256px; background: #fff; box-shadow: 8px 12px 36px rgba(0,0,0,0.13); z-index: 201; border-radius: 0 6px 6px 0; }
.nav-sub-item:hover .nav-sub3-panel:has(.nav-sub3-link) { display: grid; grid-template-columns: 1fr 1fr; padding: 12px; gap: 8px; }
.nav-sub3-link { padding: 10px 12px; font-size: 13px; color: #555; text-align: center; border: 1px solid #e4eeff; border-radius: 5px; transition: all 0.22s; box-sizing: border-box; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.nav-sub3-link:hover { background: #4177b7; color: #fff; border-color: #4177b7; box-shadow: 0 3px 10px rgba(65,119,183,0.28); transform: translateY(-1px); }

/* --- 移动端菜单按�?--- */
.mobile-menu-btn { display: none; float: right; padding: 8px 0; margin-top: 10px; cursor: pointer; }
.mobile-menu-btn span { display: block; width: 24px; height: 2px; background: #1a56db; margin: 5px 0; transition: all 0.3s; border-radius: 2px; }
.mobile-nav-arrow { display: none; }

/* ==============================================
   Banner
   ============================================== */
/* banner紧跟在header下面，header不再fixed所以不需要margin-top */
.banner-section { margin-top: 0; position: relative; }
.banner-swiper { width: 100%; overflow: hidden; position: relative; }
.banner-swiper .swiper-slide { position: relative; overflow: hidden; }
.banner-swiper .swiper-slide img { width: 100%; height: auto; display: block; }
.banner-swiper .swiper-slide a { display: block; width: 100%; }
.banner-caption { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); text-align: center; color: #fff; z-index: 2; width: 80%; }
.banner-caption h2 { font-size: 42px; font-weight: 700; margin-bottom: 16px; text-shadow: 0 2px 8px rgba(0,0,0,0.3); }
.banner-caption p { font-size: 18px; opacity: 0.9; text-shadow: 0 1px 4px rgba(0,0,0,0.3); }
.banner-swiper .swiper-button-next,
.banner-swiper .swiper-button-prev { color: rgba(255,255,255,0.8); }
.banner-swiper .swiper-pagination { bottom: 15px !important; }
.banner-swiper .swiper-pagination-bullet { background: #fff; opacity: 0.7; width: 12px; height: 12px; }
.banner-swiper .swiper-pagination-bullet-active { opacity: 1; background: #fff; }

/* ==============================================
   热门关键�?+ 搜索�?
   ============================================== */
.hot-search-bar { padding: 14px 0; background: #f2f2f2; border-bottom: 1px solid #e8e8e8; }
.hot-keywords { float: left; line-height: 34px; font-size: 14px; color: #666; }
.hot-keywords strong { color: #333; margin-right: 6px; }
.hot-keywords a { margin-right: 12px; color: #555; transition: color 0.3s; }
.hot-keywords a:hover { color: #1a56db; }
.hot-search-form { float: right; }
.hot-search-form form { display: flex; }
.hot-search-form input { border: 1px solid #ddd; padding: 6px 14px; width: 220px; font-size: 14px; outline: none; border-radius: 0; height: 34px; transition: border-color 0.3s; }
.hot-search-form input:focus { border-color: #1a56db; }
.hot-search-form button { border: 0; padding: 0 18px; height: 34px; background: #4177b7; color: #fff; font-size: 14px; cursor: pointer; white-space: nowrap; transition: background 0.3s; }
.hot-search-form button:hover { background: #1a56db; }

/* ==============================================
   通用 Section
   ============================================== */
.section { padding: 80px 0; }
.section-title { text-align: center; margin-bottom: 50px; }
.section-title.left-align { text-align: left; }
.section-title h2 { font-size: 34px; font-weight: 700; color: #1a1a2e; position: relative; display: inline-block; padding-bottom: 16px; }
.section-title h2::after { content: ""; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 48px; height: 3px; background: #1a56db; border-radius: 2px; }
.section-title.left-align h2::after { left: 0; transform: none; }
.section-title strong { display: block; font-size: 30px; font-weight: 700; color: #1a1a2e; margin-bottom: 0; }
.section-title p { margin-top: 12px; color: #888; font-size: 14px; letter-spacing: 2px; }

/* ==============================================
   产品中心
   ============================================== */
.products-section { background: #fff; }
.product-tabs { display: flex; gap: 24px; align-items: flex-start; }
.product-tab-nav { display: flex; flex-direction: column; gap: 4px; min-width: 180px; border-right: 1px solid #eee; padding-right: 24px; }
.tab-item { padding: 14px 20px; border-radius: 8px; cursor: pointer; font-size: 15px; font-weight: 500; color: #555; transition: all 0.25s; border-left: 3px solid transparent; }
.tab-item:hover, .tab-item.active { color: #1a56db; background: #f0f5ff; border-left-color: #1a56db; }
.product-tab-content { flex: 1; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }
.product-sub-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.product-sub-item { display: flex; flex-direction: column; align-items: center; gap: 10px; padding: 20px 12px; background: #f8faff; border: 1px solid #e8eef8; border-radius: 10px; text-align: center; font-size: 14px; color: #444; transition: all 0.3s; }
.product-sub-item:hover { background: #1a56db; color: #fff; border-color: #1a56db; transform: translateY(-3px); box-shadow: 0 8px 24px rgba(26,86,219,0.2); }
.product-sub-item img { width: 80px; height: 60px; object-fit: contain; }
.product-sub-icon { width: 80px; height: 60px; background: #dde6f9; border-radius: 6px; }
.tab-panel-more { margin-top: 20px; text-align: right; }
.btn-more { font-size: 14px; color: #1a56db; border-bottom: 1px solid #1a56db; padding-bottom: 2px; }

/* ==============================================
   应用领域
   ============================================== */
.cases-section { background: #f8faff; }
.cases-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.case-item { position: relative; border-radius: 12px; overflow: hidden; aspect-ratio: 4/3; cursor: pointer; display: block; }
.case-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.case-item:hover img { transform: scale(1.07); }
.case-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(15,30,80,0.85) 0%, rgba(0,0,0,0.1) 60%, transparent 100%); display: flex; flex-direction: column; justify-content: flex-end; padding: 20px; color: #fff; }
.case-overlay h3 { font-size: 16px; font-weight: 600; margin-bottom: 6px; }
.case-overlay p { font-size: 13px; opacity: 0; max-height: 0; overflow: hidden; transition: all 0.4s; }
.case-item:hover .case-overlay p { opacity: 0.85; max-height: 60px; }

/* ==============================================
   我们的优�?
   ============================================== */
.advantages-section { background: #fff; }
.advantages-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.advantage-item { text-align: center; padding: 36px 20px; border: 1px solid #eef2fb; border-radius: 12px; transition: all 0.35s; background: #fff; }
.advantage-item:hover { transform: translateY(-6px); box-shadow: 0 16px 40px rgba(26,86,219,0.1); border-color: #1a56db; }
.advantage-icon { width: 64px; height: 64px; margin: 0 auto 20px; color: #1a56db; }
.advantage-icon svg { width: 100%; height: 100%; }
.advantage-item h3 { font-size: 18px; font-weight: 600; color: #1a1a2e; margin-bottom: 12px; }
.advantage-item p { font-size: 14px; color: #666; line-height: 1.7; }

/* ==============================================
   关于我们
   ============================================== */
.about-section { background: #f8faff; }
.about-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-image { border-radius: 12px; overflow: hidden; box-shadow: 0 20px 60px rgba(0,0,0,0.12); }
.about-image img { width: 100%; height: 380px; object-fit: cover; }
.about-desc { margin-bottom: 28px; }
.about-desc p { font-size: 15px; color: #555; line-height: 1.9; }
.about-stats { display: flex; gap: 36px; margin-bottom: 32px; padding: 24px 0; border-top: 1px solid #dde6f9; border-bottom: 1px solid #dde6f9; }
.stat-item { text-align: center; }
.stat-num { display: block; font-size: 36px; font-weight: 700; color: #1a56db; line-height: 1; }
.stat-label { display: block; font-size: 13px; color: #888; margin-top: 6px; }
.btn-primary { display: inline-block; padding: 13px 32px; background: #1a56db; color: #fff; border-radius: 6px; font-size: 15px; font-weight: 500; transition: all 0.3s; }
.btn-primary:hover { background: #0d40a8; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(26,86,219,0.3); }
.btn-outline { display: inline-block; padding: 12px 32px; border: 2px solid #1a56db; color: #1a56db; border-radius: 6px; font-size: 15px; font-weight: 500; transition: all 0.3s; }
.btn-outline:hover { background: #1a56db; color: #fff; }

/* ==============================================
   新闻中心
   ============================================== */
.news-section { background: #fff; }
.news-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.news-card { display: block; border: 1px solid #eef2fb; border-radius: 10px; overflow: hidden; transition: all 0.35s; background: #fff; }
.news-card:hover { transform: translateY(-5px); box-shadow: 0 16px 40px rgba(0,0,0,0.1); }
.news-card-img { height: 180px; overflow: hidden; }
.news-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.news-card:hover .news-card-img img { transform: scale(1.06); }
.news-card-body { padding: 18px; }
.news-card-date { font-size: 12px; color: #999; margin-bottom: 8px; }
.news-card-body h3 { font-size: 15px; font-weight: 600; color: #1a1a2e; margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; line-height: 1.5; }
.news-card-body p { font-size: 13px; color: #888; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 12px; }
.read-more { font-size: 13px; color: #1a56db; }
.section-more { text-align: center; margin-top: 40px; }

/* ==============================================
   面包�?
   ============================================== */
.breadcrumb { background: #f5f7fb; border-bottom: 1px solid #eee; padding: 12px 0; margin-top: 0; }
.breadcrumb ul { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.breadcrumb a { font-size: 13px; color: #666; }
.breadcrumb a:hover { color: #1a56db; }
.breadcrumb li { font-size: 13px; color: #999; }
.breadcrumb span { color: #333; font-weight: 500; }

/* ==============================================
   列表�?
   ============================================== */
.news-item { display: grid; grid-template-columns: 200px 1fr; gap: 20px; border-bottom: 1px solid #eee; padding: 20px 0; align-items: start; }
.news-item:hover h3 { color: #1a56db; }
.news-item img { width: 200px; height: 130px; object-fit: cover; border-radius: 6px; }
.news-content { padding: 4px 0; }
.news-date { font-size: 12px; color: #999; margin-bottom: 8px; }
.news-content h3 { font-size: 16px; font-weight: 600; margin-bottom: 10px; color: #1a1a2e; }
.news-content p { font-size: 14px; color: #777; line-height: 1.7; }

.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.product-item { border: 1px solid #eef2fb; border-radius: 10px; overflow: hidden; transition: all 0.3s; }
.product-item:hover { box-shadow: 0 12px 32px rgba(0,0,0,0.1); transform: translateY(-4px); }
.product-item img { width: 100%; height: 200px; object-fit: cover; transition: transform 0.5s; }
.product-item:hover img { transform: scale(1.05); }
.product-info { padding: 16px; }
.product-info h3 { font-size: 15px; font-weight: 600; color: #1a1a2e; }

.pagination { margin-top: 40px; display: flex; justify-content: center; gap: 6px; }
.pagination a, .pagination span { display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; border: 1px solid #ddd; border-radius: 6px; font-size: 14px; color: #555; transition: all 0.3s; }
.pagination a:hover, .pagination .current { background: #1a56db; border-color: #1a56db; color: #fff; }

/* ==============================================
   底部
   ============================================== */
.site-footer { background: #0f1a35; color: rgba(255,255,255,0.75); padding: 60px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.footer-brand .footer-logo { font-size: 22px; font-weight: 700; color: #fff; margin-bottom: 16px; }
.footer-brand p { font-size: 14px; line-height: 1.8; }
.footer-contact { margin-top: 16px; font-size: 14px; }
.footer-contact p { margin-bottom: 6px; }
.footer-col h4 { font-size: 16px; font-weight: 600; color: #fff; margin-bottom: 18px; padding-bottom: 10px; border-bottom: 1px solid rgba(255,255,255,0.15); }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 14px; color: rgba(255,255,255,0.65); transition: color 0.3s; }
.footer-col ul li a:hover { color: #fff; }
.footer-qrcode { text-align: center; }
.footer-qrcode img { width: 100px; height: 100px; border-radius: 6px; margin: 0 auto 8px; background: #fff; padding: 4px; }
.footer-qrcode p { font-size: 12px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px; }
.footer-links a { font-size: 12px; color: rgba(255,255,255,0.5); }
.footer-links a:hover { color: rgba(255,255,255,0.9); }
.footer-bottom { padding: 18px 0; display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: rgba(255,255,255,0.45); }
.footer-bottom a { color: rgba(255,255,255,0.55); }
.footer-bottom a:hover { color: rgba(255,255,255,0.9); }

/* ==============================================
   响应�?
   ============================================== */
@media (max-width: 1100px) {
    .advantages-grid { grid-template-columns: repeat(2, 1fr); }
    .news-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
    .banner-swiper { height: 380px; }
    .banner-caption h2 { font-size: 28px; }
    .cases-grid { grid-template-columns: repeat(2, 1fr); }
    .about-layout { grid-template-columns: 1fr; }
    .about-image { display: none; }
    .product-tabs { flex-direction: column; }
    .product-tab-nav { flex-direction: row; flex-wrap: wrap; border-right: none; border-bottom: 1px solid #eee; padding-right: 0; padding-bottom: 12px; min-width: unset; }
    .product-sub-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    /* 顶部细条隐藏 */
    .header-top { display: none; }
    /* header-mid 改为 flexbox */
    .header-mid { padding: 10px 0; }
    .header-mid .container { display: flex; align-items: center; gap: 0; }
    .header-logo { float: none; flex-shrink: 0; order: 1; }
    .header-logo img { height: 36px; }
    /* 标语隐藏 */
    .header-slogan { display: none; }
    /* 电话： logo右侧，跟汉堡之间留出间距 */
    .header-tel { float: none; margin-left: auto; margin-right: 10px; gap: 0; flex-shrink: 0; order: 2; }
    .header-tel-icon { display: none; }
    .header-tel-info span { display: none; }
    .header-tel-info strong { font-size: 15px; letter-spacing: 0; color: #023793; font-family: inherit; font-weight: 700; }
    /* 汉堡按钮：最右侧 */
    .mobile-menu-btn { float: none; margin: 0; padding: 4px 0; flex-shrink: 0; order: 3; }
    /* 热门搜索隐藏 */
    .hot-search-bar { display: none; }
    /* 导航浮层覆盖页面，不展开页面 */
    .header-nav { position: absolute; top: 100%; left: 0; right: 0; z-index: 500; box-shadow: 0 8px 20px rgba(0,0,0,0.2); }
    /* 导航改为垂直展开 */
    .nav-list { display: none; flex-direction: column; }
    .nav-list.open { display: flex; }
    .nav-li > a { line-height: 44px; padding: 0 20px; font-size: 15px; border-bottom: 1px solid rgba(255,255,255,0.1); }
    .nav-dropdown { position: static; box-shadow: none; border-radius: 0; background: rgba(0,0,0,0.15); }
    .nav-sub-link { color: rgba(255,255,255,0.9); border-bottom-color: rgba(255,255,255,0.1); border-left: none; }
    .nav-sub-item:has(.nav-sub3-link) > .nav-sub-link::after { color: rgba(255,255,255,0.3); }
    .nav-sub-item:hover > .nav-sub-link { background: rgba(255,255,255,0.1); color: #fff; border-left: none; }
    .nav-li.mobile-open > .nav-dropdown { display: block; }
    .mobile-nav-arrow { display:flex; align-items:center; justify-content:center; position:absolute; right:0; top:0; width:44px; height:44px; color:rgba(255,255,255,.65); font-size:13px; cursor:pointer; z-index:10; transition:transform .25s; user-select:none; }
    .nav-li.mobile-open > .mobile-nav-arrow { transform:rotate(180deg); }
    /* 移动端三级
    .nav-sub3-panel { display: flex !important; flex-wrap: wrap; position: static !important; box-shadow: none !important; border-radius: 0 !important; width: auto !important; background: rgba(0,0,0,0.12); padding: 5px 5px 5px 18px; gap: 5px; }
    .nav-sub3-link { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.15); color: rgba(255,255,255,0.8); padding: 7px 10px; transform: none !important; box-shadow: none !important; }
    .nav-sub3-link:hover { background: rgba(255,255,255,0.2); color: #fff; border-color: transparent; } */
    .mobile-menu-btn { display: block; }
    .section { padding: 52px 0; }
    .section-title h2 { font-size: 26px; }
    .advantages-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
    .news-grid { grid-template-columns: 1fr; }
    .cases-grid { grid-template-columns: 1fr; }
    .banner-swiper { height: 50vw; min-height: 180px; max-height: 300px; }
    .banner-swiper .swiper-slide,
    .banner-swiper .swiper-slide a { width: 100%; height: 100%; }
    .banner-swiper .swiper-slide img { width: 100%; height: 100%; display: block; object-fit: cover; }
    .banner-caption h2 { font-size: 20px; }
    .banner-caption p { font-size: 14px; }
    .footer-grid { grid-template-columns: 1fr; gap: 24px; }
    .about-stats { gap: 20px; }
    .product-sub-grid { grid-template-columns: repeat(2, 1fr); }
    .product-grid { grid-template-columns: repeat(2, 1fr); }
    .news-item { grid-template-columns: 1fr; }
    .news-item img { width: 100%; height: 160px; }
}
@media (max-width: 480px) {
    .product-sub-grid { grid-template-columns: 1fr 1fr; }
    .advantages-grid { grid-template-columns: 1fr; }
    .product-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
    .header-tel-info strong { font-size: 13px; }
    .header-mid { padding: 12px 0; }
}

/* ==============================================
   产品中心 新布局
   ============================================== */
.sec-hd { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 28px; border-bottom: 2px solid #eef2fb; padding-bottom: 16px; }
.sec-hd-left h2 { font-size: 28px; font-weight: 700; color: #1a1a2e; margin-bottom: 4px; }
.sec-hd-left span { font-size: 13px; color: #1a56db; font-weight: 500; letter-spacing: 2px; }
.sec-more { font-size: 14px; color: #1a56db; }
.sec-more:hover { color: #0d3a9e; }
.prod-layout { display: flex; gap: 0; min-height: 400px; border: 1px solid #e8eef8; border-radius: 8px; overflow: hidden; }
.prod-sidebar { width: 200px; flex-shrink: 0; background: #1a3a7a; }
.prod-cat-item { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; color: rgba(255,255,255,0.75); font-size: 14px; cursor: pointer; border-left: 3px solid transparent; transition: all 0.25s; border-bottom: 1px solid rgba(255,255,255,0.08); }
.prod-cat-item:hover, .prod-cat-item.active { color: #fff; background: #1a56db; border-left-color: #60a5fa; }
.prod-cat-item i { font-style: normal; font-size: 18px; opacity: 0.6; }
.prod-content { flex: 1; padding: 24px; background: #fff; }
.prod-panel { display: none; }
.prod-panel.active { display: block; }
.prod-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.prod-card { display: block; border: 1px solid #eef2fb; border-radius: 6px; overflow: hidden; transition: all 0.3s; }
.prod-card:hover { box-shadow: 0 8px 24px rgba(26,86,219,0.12); transform: translateY(-3px); border-color: #1a56db; }
.prod-card-img { height: 150px; overflow: hidden; background: #f5f7fb; }
.prod-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.prod-card:hover .prod-card-img img { transform: scale(1.06); }
.prod-card-name { padding: 10px 12px; font-size: 13px; color: #444; text-align: center; background: #fafbff; border-top: 1px solid #eef2fb; }
.prod-panel-more { margin-top: 16px; text-align: right; }
.prod-panel-more a { font-size: 13px; color: #1a56db; }

/* ==============================================
   品牌优势 - 深色�?
   ============================================== */
.brand-section { background: #0a1628; color: #fff; padding: 70px 0; position: relative; overflow: hidden; }
.brand-bg-text { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); font-size: 120px; font-weight: 900; color: rgba(255,255,255,0.03); white-space: nowrap; pointer-events: none; letter-spacing: 10px; }
.brand-icons { display: grid; grid-template-columns: repeat(4,1fr); gap: 1px; background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.08); border-radius: 8px; margin-bottom: 40px; overflow: hidden; }
.brand-icon-item { text-align: center; padding: 30px 20px; background: rgba(255,255,255,0.03); transition: background 0.3s; }
.brand-icon-item:hover { background: rgba(26,86,219,0.25); }
.brand-icon { width: 52px; height: 52px; margin: 0 auto 14px; color: #60a5fa; }
.brand-icon svg { width: 100%; height: 100%; }
.brand-icon-item h4 { font-size: 16px; font-weight: 600; color: #fff; margin-bottom: 4px; }
.brand-icon-item p { font-size: 12px; color: rgba(255,255,255,0.4); }
.brand-feature { display: flex; gap: 0; border: 1px solid rgba(255,255,255,0.1); border-radius: 8px; overflow: hidden; }
.brand-feature-tabs { width: 220px; flex-shrink: 0; background: rgba(255,255,255,0.04); }
.bf-tab { display: flex; align-items: center; gap: 14px; padding: 20px 24px; cursor: pointer; border-left: 3px solid transparent; transition: all 0.25s; border-bottom: 1px solid rgba(255,255,255,0.06); }
.bf-tab:hover, .bf-tab.active { background: rgba(26,86,219,0.3); border-left-color: #1a56db; }
.bf-num { font-size: 22px; font-weight: 700; color: rgba(255,255,255,0.25); }
.bf-tab.active .bf-num { color: #60a5fa; }
.bf-name { font-size: 14px; color: rgba(255,255,255,0.7); }
.bf-tab.active .bf-name { color: #fff; }
.brand-feature-panels { flex: 1; }
.bf-panel { display: none; height: 100%; }
.bf-panel.active { display: flex; }
.bf-text { flex: 1; padding: 36px 32px; }
.bf-title { font-size: 22px; font-weight: 700; color: #fff; margin-bottom: 16px; padding-bottom: 14px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.bf-text p { font-size: 14px; color: rgba(255,255,255,0.6); line-height: 1.9; }
.bf-img { width: 320px; flex-shrink: 0; }
.bf-img img { width: 100%; height: 100%; object-fit: cover; }

/* ==============================================
   新闻 - 双栏
   ============================================== */
.news-two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.news-col-hd { display: flex; justify-content: space-between; align-items: center; padding-bottom: 12px; border-bottom: 2px solid #1a56db; margin-bottom: 16px; }
.news-col-hd span { font-size: 17px; font-weight: 600; color: #1a1a2e; }
.news-col-hd a { font-size: 12px; color: #888; }
.news-col-hd a:hover { color: #1a56db; }
.news-list-item { display: flex; justify-content: space-between; align-items: center; padding: 11px 0; border-bottom: 1px dashed #eee; gap: 12px; }
.news-list-item:hover .nli-title { color: #1a56db; }
.nli-title { font-size: 14px; color: #444; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; flex: 1; }
.nli-date { font-size: 12px; color: #aaa; white-space: nowrap; flex-shrink: 0; }

/* ==============================================
   定制流程
   ============================================== */
.process-section { background: #f4f7fc; }
.process-steps { display: flex; align-items: center; justify-content: center; gap: 0; flex-wrap: nowrap; }
.process-step { text-align: center; flex: 1; max-width: 140px; }
.process-icon { width: 72px; height: 72px; margin: 0 auto 14px; background: #fff; border: 2px solid #d0ddf5; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #1a56db; transition: all 0.3s; box-shadow: 0 4px 12px rgba(26,86,219,0.08); }
.process-icon svg { width: 36px; height: 36px; }
.process-step:hover .process-icon { background: #1a56db; color: #fff; border-color: #1a56db; box-shadow: 0 8px 24px rgba(26,86,219,0.3); }
.process-name { font-size: 15px; font-weight: 600; color: #1a1a2e; margin-bottom: 4px; }
.process-desc { font-size: 12px; color: #888; }
.process-arrow { font-size: 28px; color: #1a56db; opacity: 0.4; padding: 0 4px; flex-shrink: 0; margin-bottom: 28px; }

/* ==============================================
   关于 新布局
   ============================================== */
.about-tag { display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: 3px; color: #1a56db; border: 1px solid #1a56db; padding: 3px 10px; border-radius: 2px; margin-bottom: 16px; }
.stat-icon { font-size: 24px; font-weight: 700; color: #1a56db; vertical-align: super; margin-left: 2px; }

/* ==============================================
   响应�?补充
   ============================================== */
@media (max-width: 1024px) {
    .prod-grid { grid-template-columns: repeat(2,1fr); }
    .brand-bg-text { font-size: 70px; }
    .bf-img { width: 240px; }
}
@media (max-width: 900px) {
    .brand-icons { grid-template-columns: repeat(2,1fr); }
    .brand-feature { flex-direction: column; }
    .brand-feature-tabs { width: 100%; display: flex; overflow-x: auto; }
    .bf-tab { flex-shrink: 0; border-left: none; border-bottom: 3px solid transparent; }
    .bf-tab.active { border-bottom-color: #1a56db; }
    .bf-panel.active { flex-direction: column; }
    .bf-img { width: 100%; height: 200px; }
    .news-two-col { grid-template-columns: 1fr; }
    .process-steps { flex-wrap: wrap; gap: 16px; }
    .process-arrow { display: none; }
    .prod-layout { flex-direction: column; }
    .prod-sidebar { width: 100%; display: flex; flex-wrap: wrap; background: #1a3a7a; }
    .prod-cat-item { border-left: none; border-bottom: 3px solid transparent; flex: 1; min-width: 100px; justify-content: center; }
    .prod-cat-item.active { border-bottom-color: #60a5fa; }
}

/* ==============================================
   新首页高级视觉覆�?
   ============================================== */
.home-hero { position: relative; padding-bottom: 60px; }
.home-hero .banner-swiper { height: 640px; }
.banner-mask { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(5,17,38,0.75) 0%, rgba(5,17,38,0.38) 38%, rgba(5,17,38,0.05) 100%); z-index: 1; }
.banner-caption-left { left: 8%; top: 50%; transform: translateY(-50%); width: 520px; text-align: left; z-index: 2; }
.hero-kicker { display: inline-block; padding: 7px 14px; border: 1px solid rgba(255,255,255,0.28); background: rgba(255,255,255,0.08); backdrop-filter: blur(6px); border-radius: 999px; font-size: 12px; letter-spacing: 2px; margin-bottom: 18px; }
.banner-caption-left h2 { font-size: 54px; line-height: 1.15; margin-bottom: 16px; }
.banner-caption-left p { font-size: 16px; color: rgba(255,255,255,0.88); line-height: 1.9; max-width: 500px; }
.hero-floating-card { position: absolute; right: calc((100vw - 1200px)/2 + 20px); bottom: 0; width: 360px; padding: 28px; background: rgba(255,255,255,0.95); backdrop-filter: blur(12px); box-shadow: 0 20px 50px rgba(10,22,40,0.15); border-radius: 20px; z-index: 3; }
.hero-card-title { font-size: 24px; font-weight: 700; color: #0f2748; margin-bottom: 12px; }
.hero-card-desc { font-size: 14px; color: #5f6b7a; line-height: 1.9; margin-bottom: 18px; }
.hero-card-meta { display: flex; flex-direction: column; gap: 8px; font-size: 13px; color: #1a56db; }
.home-highlights { margin-top: -10px; padding-bottom: 40px; }
.highlight-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; }
.highlight-item { background: #fff; border: 1px solid #eef3fb; border-radius: 18px; padding: 28px 24px; box-shadow: 0 10px 30px rgba(15,39,72,0.06); }
.highlight-item strong { display: block; font-size: 34px; color: #0f2748; line-height: 1; margin-bottom: 10px; }
.highlight-item span { font-size: 14px; color: #6a7483; }
.premium-section { padding-top: 46px; }
.section-head-premium { display: flex; align-items: end; justify-content: space-between; margin-bottom: 34px; }
.section-head-premium.center { justify-content: center; text-align: center; }
.section-head-premium.light h2, .section-head-premium.light p, .section-head-premium.light .section-en { color: #fff; }
.section-en { display: inline-block; margin-bottom: 10px; color: #1a56db; font-size: 12px; letter-spacing: 2px; font-weight: 700; }
.section-head-premium h2 { font-size: 36px; color: #101828; line-height: 1.2; margin-bottom: 12px; }
.section-head-premium p { max-width: 680px; color: #667085; font-size: 15px; line-height: 1.9; }
.premium-prod-layout { border: none; border-radius: 22px; overflow: hidden; box-shadow: 0 20px 60px rgba(15,39,72,0.08); }
.prod-panel-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 22px; padding-bottom: 16px; border-bottom: 1px solid #eef2fb; }
.prod-panel-head h3 { font-size: 24px; color: #0f2748; }
.prod-panel-head a { font-size: 13px; color: #1a56db; }
.premium-prod-card { background: #fff; }
.premium-prod-card .prod-card-name { font-size: 14px; padding: 14px 14px 16px; background: #fff; }
.solution-section { background: linear-gradient(180deg, #f7fafe 0%, #ffffff 100%); }
.solution-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.solution-card { background: #fff; border: 1px solid #edf2fa; border-radius: 20px; overflow: hidden; box-shadow: 0 10px 30px rgba(15,39,72,0.06); transition: all 0.3s; }
.solution-card:hover { transform: translateY(-8px); box-shadow: 0 18px 45px rgba(15,39,72,0.12); }
.solution-card-img { height: 230px; overflow: hidden; }
.solution-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.solution-card:hover .solution-card-img img { transform: scale(1.05); }
.solution-card-body { padding: 24px; }
.solution-card-body h3 { font-size: 20px; color: #0f2748; margin-bottom: 12px; }
.solution-card-body p { font-size: 14px; color: #667085; line-height: 1.8; min-height: 72px; margin-bottom: 16px; }
.solution-card-body span { color: #1a56db; font-size: 13px; font-weight: 600; }
.brand-section .section-en { color: #93c5fd; }
.bf-art { width: 320px; flex-shrink: 0; position: relative; overflow: hidden; background: linear-gradient(135deg, #15305e, #1a56db); }
.bf-art::before, .bf-art::after { content: ""; position: absolute; border-radius: 50%; background: rgba(255,255,255,0.12); }
.bf-art::before { width: 210px; height: 210px; top: -40px; right: -30px; }
.bf-art::after { width: 160px; height: 160px; bottom: -20px; left: -20px; }
.bf-art.art-2 { background: linear-gradient(135deg, #0f2748, #0b7ad1); }
.bf-art.art-3 { background: linear-gradient(135deg, #132238, #155eef); }
.bf-art.art-4 { background: linear-gradient(135deg, #102a43, #2563eb); }
.bf-art span { position: absolute; left: 28px; bottom: 28px; color: rgba(255,255,255,0.88); font-size: 18px; font-weight: 700; }
.premium-news-section { background: #fff; }
.premium-news-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.premium-news-card { border: 1px solid #edf2fa; border-radius: 20px; overflow: hidden; background: #fff; box-shadow: 0 10px 30px rgba(15,39,72,0.05); transition: all 0.3s; }
.premium-news-card:hover { transform: translateY(-6px); box-shadow: 0 18px 45px rgba(15,39,72,0.12); }
.premium-news-img { height: 220px; overflow: hidden; background: #f6f8fc; }
.premium-news-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.premium-news-card:hover .premium-news-img img { transform: scale(1.05); }
.premium-news-body { padding: 22px; }
.premium-news-date { color: #1a56db; font-size: 12px; letter-spacing: 1px; margin-bottom: 10px; }
.premium-news-body h3 { font-size: 20px; color: #0f2748; line-height: 1.5; margin-bottom: 12px; }
.premium-news-body p { color: #667085; font-size: 14px; line-height: 1.8; margin-bottom: 14px; min-height: 76px; }
.premium-news-body span { color: #1a56db; font-size: 13px; font-weight: 600; }
.premium-about-section { background: linear-gradient(180deg, #ffffff 0%, #f7fafe 100%); }
.premium-about-layout { gap: 40px; align-items: stretch; }
.premium-stats { background: #fff; border: 1px solid #edf2fa; border-radius: 18px; padding: 24px 10px; }
.about-visual { position: relative; min-height: 420px; border-radius: 28px; overflow: hidden; background: radial-gradient(circle at top right, rgba(26,86,219,0.18), transparent 32%), linear-gradient(135deg, #0f2748 0%, #133b7a 55%, #1a56db 100%); box-shadow: 0 20px 60px rgba(15,39,72,0.16); }
.about-visual-card { position: absolute; background: rgba(255,255,255,0.12); backdrop-filter: blur(10px); border: 1px solid rgba(255,255,255,0.14); border-radius: 22px; color: #fff; }
.about-visual-card.main { left: 34px; top: 36px; right: 34px; padding: 30px; }
.about-visual-card.main strong { display: block; font-size: 28px; line-height: 1.35; margin-bottom: 14px; }
.about-visual-card.main p { color: rgba(255,255,255,0.82); font-size: 14px; line-height: 1.9; }
.about-visual-kicker { display: inline-block; padding: 6px 10px; border-radius: 999px; background: rgba(255,255,255,0.12); font-size: 11px; letter-spacing: 2px; margin-bottom: 14px; }
.about-visual-card.sub { padding: 18px 20px; font-size: 18px; font-weight: 700; }
.about-visual-card.sub-a { left: 34px; bottom: 34px; }
.about-visual-card.sub-b { right: 34px; bottom: 68px; }
.cta-band { padding: 0 0 70px; background: #f7fafe; }
.cta-band-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 38px 42px; background: linear-gradient(135deg, #0f2748 0%, #1a56db 100%); border-radius: 26px; color: #fff; box-shadow: 0 20px 60px rgba(15,39,72,0.16); }
.cta-band-inner h2 { font-size: 32px; margin: 10px 0 14px; }
.cta-band-inner p { max-width: 640px; color: rgba(255,255,255,0.84); line-height: 1.9; }
.cta-band-contact { display: flex; flex-direction: column; gap: 12px; min-width: 260px; text-align: right; }
.cta-band-contact span { font-size: 15px; color: #fff; }
@media (max-width: 1280px) {
    .hero-floating-card { right: 20px; }
}
@media (max-width: 1024px) {
    .home-hero .banner-swiper { height: 560px; }
    .banner-caption-left { width: 460px; }
    .banner-caption-left h2 { font-size: 44px; }
    .highlight-grid, .solution-grid, .premium-news-grid { grid-template-columns: repeat(2,1fr); }
    .bf-art { width: 260px; }
}
@media (max-width: 900px) {
    .hero-floating-card { position: static; width: auto; margin: 18px 20px 0; }
    .home-highlights { margin-top: 0; }
    .premium-about-layout { grid-template-columns: 1fr; }
    .about-visual { min-height: 320px; }
    .cta-band-inner { flex-direction: column; align-items: flex-start; }
    .cta-band-contact { text-align: left; min-width: 0; }
}
@media (max-width: 768px) {
    .home-hero .banner-swiper { height: 440px; }
    .banner-caption-left { left: 20px; right: 20px; width: auto; }
    .banner-caption-left h2 { font-size: 32px; }
    .banner-caption-left p { font-size: 14px; }
    .highlight-grid, .solution-grid, .premium-news-grid { grid-template-columns: 1fr; }
    .section-head-premium h2 { font-size: 28px; }
    .prod-panel-head { flex-direction: column; align-items: flex-start; gap: 8px; }
    .cta-band-inner { padding: 30px 24px; }
    .cta-band-inner h2 { font-size: 26px; }
}
@media (max-width: 520px) {
    .hero-kicker { font-size: 10px; letter-spacing: 1px; }
    .banner-caption-left h2 { font-size: 28px; }
    .highlight-item { padding: 22px 18px; }
    .highlight-item strong { font-size: 28px; }
    .about-visual-card.main { left: 18px; right: 18px; top: 18px; padding: 22px; }
    .about-visual-card.sub-a { left: 18px; bottom: 18px; }
    .about-visual-card.sub-b { right: 18px; bottom: 60px; }
}

/* ================= 工业企业首页重构 ================= */
.industrial-hero .banner-swiper{height:560px}
.industrial-hero .swiper-slide a{position:relative;display:block;height:100%}
.industrial-hero .swiper-slide img{width:100%;height:100%;object-fit:cover}
.industrial-hero-text{position:absolute;left:10%;top:50%;transform:translateY(-50%);z-index:2;color:#fff;max-width:560px}
.hero-subtitle{display:inline-block;padding:6px 12px;border:1px solid rgba(255,255,255,.35);border-radius:20px;font-size:12px;letter-spacing:1px;margin-bottom:18px;background:rgba(255,255,255,.08)}
.industrial-hero-text h2{font-size:48px;line-height:1.2;margin-bottom:18px;text-shadow:0 2px 6px rgba(0,0,0,.25)}
.industrial-hero-text p{font-size:16px;line-height:1.9;color:rgba(255,255,255,.92)}
.industrial-title-row{display:flex;justify-content:flex-start;margin-bottom:26px}.industrial-title-row.center{justify-content:center}
.industrial-title-box{text-align:center}.industrial-title-box h2{font-size:34px;color:#111;margin-bottom:10px}.industrial-title-box p{font-size:13px;color:#888;letter-spacing:2px}
.industrial-product-section{padding:60px 0 70px;background:#fff}
.industrial-product-wrap{display:flex;gap:0;border:1px solid #e8ecf2;overflow:hidden}
.industrial-product-sidebar{width:220px;flex-shrink:0;background:#4177b7}
.industrial-product-sidebar-title{padding:24px 20px;color:#fff;font-size:22px;font-weight:700;line-height:1.3;background:linear-gradient(180deg,#1a56db,#133b7a);border-bottom:1px solid rgba(255,255,255,.1)}
.industrial-product-sidebar-title span{display:block;font-size:12px;font-weight:400;opacity:.8;margin-top:6px;letter-spacing:2px;text-transform:uppercase}
.industrial-cat-item{display:flex;align-items:center;justify-content:space-between;padding:15px 20px;color:rgba(255,255,255,.8);border-bottom:1px solid rgba(255,255,255,.08);cursor:pointer;transition:all .25s;font-size:15px}
.industrial-cat-item:hover,.industrial-cat-item.active{background:#fff;color:#4177b7;font-weight:700}
.industrial-cat-item i{font-style:normal;font-size:18px;opacity:.5;transition:all .25s}
.industrial-cat-item.active i,.industrial-cat-item:hover i{opacity:1;color:#1a56db}
.industrial-product-content{flex:1;background:#f8f9fb;padding:20px 24px}
.industrial-product-panel{display:none}.industrial-product-panel.active{display:block}
.industrial-subcats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.industrial-subcat-card{display:block;background:#fff;border:1px solid #e6eaf0;overflow:hidden;transition:all .3s}
.industrial-subcat-card:hover{transform:translateY(-4px);box-shadow:0 10px 28px rgba(0,0,0,.1);border-color:#1a56db}
.industrial-subcat-thumb{height:180px;background:#eef3f9;overflow:hidden;position:relative}
.industrial-subcat-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.industrial-subcat-card:hover .industrial-subcat-thumb img{transform:scale(1.06)}
.industrial-subcat-name{text-align:center;padding:14px 10px;font-size:14px;color:#333;background:#fff;line-height:40px;position:relative}
.industrial-subcat-name::before{content:'';position:absolute;left:50%;bottom:0;width:0;height:2px;background:#1a56db;transition:all .35s;transform:translateX(-50%)}
.industrial-subcat-card:hover .industrial-subcat-name::before{width:60%}
.industrial-subcat-card:hover .industrial-subcat-name{color:#1a56db}
.industrial-case-section{background:#fff;padding-top:10px;padding-bottom:72px}
.industrial-case-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.industrial-case-card{display:block;border:1px solid #e9edf3;border-radius:4px;overflow:hidden;background:#fff;transition:.25s}
.industrial-case-card:hover{transform:translateY(-6px);box-shadow:0 14px 30px rgba(0,0,0,.08);border-color:#0b5dad}.industrial-case-thumb{height:250px;overflow:hidden;background:#eef3f9}.industrial-case-thumb img{width:100%;height:100%;object-fit:cover;transition:.35s}.industrial-case-card:hover .industrial-case-thumb img{transform:scale(1.05)}
.industrial-case-name{text-align:center;padding:16px 12px;font-size:15px;color:#222}
.industrial-advantage-section{padding:74px 0;background:linear-gradient(180deg,#0d1134 0%,#090b22 100%);position:relative;overflow:hidden}
.industrial-advantage-section::before{content:'';position:absolute;left:-10%;bottom:-20%;width:420px;height:420px;background:radial-gradient(circle,rgba(27,121,255,.28),transparent 70%)}
.industrial-advantage-section::after{content:'';position:absolute;right:-8%;top:-10%;width:360px;height:360px;background:radial-gradient(circle,rgba(117,58,255,.18),transparent 70%)}
.industrial-advantage-head{text-align:center;margin-bottom:34px;position:relative;z-index:1}.industrial-advantage-head h2{font-size:36px;color:#fff;margin-bottom:10px}.industrial-advantage-head p{color:rgba(255,255,255,.5);font-size:13px;letter-spacing:1px}
.industrial-advantage-icons{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:26px;position:relative;z-index:1}
.industrial-adv-icon{padding:16px 18px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.04);color:#d7e5ff;text-align:center;border-radius:4px;cursor:pointer;transition:.25s}
.industrial-adv-icon.active,.industrial-adv-icon:hover{background:#0b5dad;color:#fff;border-color:#0b5dad}
.industrial-adv-panels{position:relative;z-index:1}.industrial-adv-panel{display:none}.industrial-adv-panel.active{display:block}
.industrial-adv-gallery{display:grid;grid-template-columns:2fr 1fr 1fr;gap:10px;background:#fff;padding:10px;border-radius:4px}.industrial-adv-gallery .big{grid-row:span 2;height:320px}.industrial-adv-gallery .small{height:155px}.industrial-adv-gallery img{width:100%;height:100%;object-fit:cover;background:#eef3f9}
.industrial-adv-desc{display:flex;align-items:stretch;margin-top:18px;background:#fff;border-radius:4px;overflow:hidden}.industrial-adv-desc .num{width:170px;background:#0b5dad;color:#fff;font-size:46px;font-weight:700;display:flex;align-items:center;justify-content:center}.industrial-adv-desc .text{flex:1;padding:24px 28px}.industrial-adv-desc .text h3{font-size:24px;color:#111;margin-bottom:10px}.industrial-adv-desc .text p{color:#666;line-height:1.9;font-size:14px}
.industrial-news-section{padding:74px 0;background:#fff}
.industrial-news-wrap{display:grid;grid-template-columns:1fr 1fr;gap:26px}.industrial-news-col{background:#fff}.industrial-news-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:12px;border-bottom:2px solid #eceff4;margin-bottom:18px}.industrial-news-head span{font-size:20px;font-weight:700;color:#111}.industrial-news-head a{font-size:12px;color:#888}.industrial-news-head a:hover{color:#0b5dad}
.industrial-news-cover{display:grid;grid-template-columns:220px 1fr;gap:18px;margin-bottom:12px}.industrial-news-cover img{width:100%;height:150px;object-fit:cover;background:#eef3f9;border-radius:4px}.industrial-news-cover-text h3{font-size:18px;line-height:1.5;color:#111;margin-bottom:12px}.industrial-news-cover-text p{font-size:14px;color:#666;line-height:1.9}
.industrial-news-list{background:#fafbfc;border:1px solid #edf0f4}.industrial-news-item{display:flex;justify-content:space-between;gap:14px;padding:13px 16px;border-top:1px dashed #e2e6ec}.industrial-news-item:first-child{border-top:none}.industrial-news-item:hover .title{color:#0b5dad}.industrial-news-item .title{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:14px;color:#333}.industrial-news-item .date{font-size:12px;color:#999;flex-shrink:0}
.process-band{padding:58px 0;background:linear-gradient(180deg,#0a67be 0%,#08539a 100%)}
.process-band-title{text-align:center;margin-bottom:28px}.process-band-title h2{font-size:34px;color:#fff;margin-bottom:8px}.process-band-title p{font-size:13px;color:rgba(255,255,255,.75);letter-spacing:1px}
.process-band-list{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:nowrap}.process-band-item{width:150px;text-align:center;color:#fff}.process-band-item span{display:flex;align-items:center;justify-content:center;width:74px;height:74px;margin:0 auto 14px;border-radius:50%;background:rgba(255,255,255,.15);font-size:22px;font-weight:700;border:2px solid rgba(255,255,255,.2)}.process-band-item strong{display:block;font-size:16px;margin-bottom:6px}.process-band-item em{font-style:normal;font-size:12px;color:rgba(255,255,255,.75)}.process-band-arrow{color:rgba(255,255,255,.55);font-size:28px;margin-top:-28px}
.industrial-about-section{padding:74px 0;background:#fff}
.industrial-about-wrap{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center}.industrial-about-text{padding-right:20px}.industrial-about-en{display:inline-block;padding:6px 12px;background:#eef6ff;color:#0b5dad;font-size:12px;border-radius:20px;margin-bottom:16px}.industrial-about-text h3{font-size:32px;color:#111;margin-bottom:18px}.industrial-about-text p{font-size:15px;color:#666;line-height:2;margin-bottom:24px}.industrial-about-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:24px}.stat-box{padding:18px;background:#f7f9fc;border:1px solid #ebeff4;border-radius:4px;text-align:center}.stat-box strong{display:block;font-size:28px;color:#0b5dad;margin-bottom:8px}.stat-box span{font-size:13px;color:#666}.industrial-about-photo-card{padding:16px;background:linear-gradient(180deg,#0b5dad 0%,#0a4a86 100%);border-radius:4px}.industrial-about-photo-card img{width:100%;height:420px;object-fit:cover;background:#fff}
.site-header{background:#fff;border-bottom:1px solid #edf0f4;box-shadow:none}.site-header.scrolled{box-shadow:0 6px 24px rgba(0,0,0,.08)}.header-inner{height:86px}.site-logo img{height:52px}.site-logo .logo-text{font-size:26px;color:#d92323}
.main-nav{gap:2px}.nav-item>a{height:86px;padding:0 20px;font-size:15px;color:#222;font-weight:600;border-bottom:3px solid transparent}.nav-item>a:hover,.nav-item>a.active{color:#0b5dad;border-bottom-color:#0b5dad}
.dropdown{top:100%;left:50%;transform:translateX(-50%);min-width:180px;border-radius:0 0 6px 6px;padding:8px 0;background:rgba(255,255,255,.98);box-shadow:0 16px 34px rgba(0,0,0,.12)}.dropdown a{padding:11px 18px;font-size:14px}.dropdown a:hover{background:#0b5dad;color:#fff}
.lang-switch{border-color:#d8e2ee;color:#0b5dad;font-weight:600}.lang-switch:hover{background:#0b5dad;color:#fff}
.site-footer{background:#20232b;padding-top:56px}.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:28px;padding-bottom:34px}.footer-brand .footer-logo{font-size:34px;color:#e83434}.footer-contact p{line-height:1.9}.footer-col h4{border-bottom-color:rgba(255,255,255,.08)}.footer-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:24px;padding-top:20px}
@media (max-width: 1100px){.industrial-subcats{grid-template-columns:repeat(2,1fr)}.industrial-case-grid{grid-template-columns:repeat(2,1fr)}.industrial-news-wrap{grid-template-columns:1fr}.industrial-about-wrap{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width: 768px){.industrial-hero .banner-swiper{height:360px}.industrial-hero-text{left:20px;right:20px;max-width:none}.industrial-hero-text h2{font-size:28px}.industrial-hero-text p{font-size:14px}.industrial-product-wrap{flex-direction:column}.industrial-product-sidebar{width:100%;display:flex;flex-wrap:wrap}.industrial-product-sidebar-title{width:100%}.industrial-cat-item{flex:1;min-width:120px;justify-content:center;border-bottom:none;border-right:1px solid rgba(255,255,255,.08)}.industrial-subcats{grid-template-columns:repeat(2,1fr)}.industrial-case-grid{grid-template-columns:1fr}.industrial-advantage-icons{grid-template-columns:repeat(2,1fr)}.industrial-adv-gallery{grid-template-columns:1fr 1fr}.industrial-adv-gallery .big{grid-column:1/-1;grid-row:auto;height:220px}.industrial-adv-gallery .small{height:120px}.industrial-adv-desc{flex-direction:column}.industrial-adv-desc .num{width:100%;height:90px;font-size:36px}.process-band-list{flex-wrap:wrap}.process-band-arrow{display:none}.process-band-item{width:45%}.industrial-news-cover{grid-template-columns:1fr}.industrial-news-cover img{height:180px}.main-nav{top:86px}.nav-item > a{height:auto}.footer-grid{grid-template-columns:1fr}}
@media (max-width: 520px){.industrial-title-box h2,.industrial-advantage-head h2,.process-band-title h2{font-size:28px}.industrial-subcats{grid-template-columns:1fr}.process-band-item{width:100%}.industrial-about-stats{grid-template-columns:1fr}}

/* ==============================================
   产品分类 - 左图右列表 (agency style)
   ============================================== */
.agency-section { width: 100%; overflow: hidden; padding: 60px 0; }
.agency-title { text-align: center; margin-bottom: 36px; }
.agency-title h2 { font-size: 34px; color: #111; margin-bottom: 10px; }
.agency-title p { font-size: 13px; color: #888; letter-spacing: 2px; }
.agency-box { position: relative; width: 1200px; margin: 0 auto; height: 500px; }
.agency-images { position: absolute; left: 0; top: 0; width: 100%; height: 100%; }
.agency-img-item { position: absolute; left: 0; top: 0; width: 100%; height: 100%; opacity: 0; transition: opacity .5s; }
.agency-img-item.active { opacity: 1; }
.agency-img-item img { width: 100%; height: 100%; object-fit: cover; }
.agency-text { position: absolute; right: 0; top: 0; width: 380px; height: 100%; background: linear-gradient(0deg, #2B2A2F 0%, #3D3E42 100%); z-index: 10; }
.agency-list { height: 100%; display: flex; flex-direction: column; list-style: none; margin: 0; padding: 0; }
.agency-list li { flex: 0 0 auto; padding: 28px 36px 28px 42px; border-bottom: 1px solid #55575C; cursor: pointer; transition: all .4s; overflow: hidden; }
.agency-list li:last-child { border-bottom: 1px solid transparent; }
.ag-icon-row { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.ag-icon-row b { color: #fff; font-size: 20px; }
.ag-arrow { color: rgba(255,255,255,.6); font-size: 16px; transition: all .3s; }
.ag-arrow-up { display: none; }
.agency-list li p { font-size: 14px; color: rgba(255,255,255,.85); margin-top: 16px; line-height: 1.8; display: none; }
.ag-btn-row { margin-top: 16px; display: none; }
.ag-btn { display: inline-block; padding: 8px 24px; background: #C50119; color: #fff; font-size: 14px; transition: all .3s; }
.ag-btn:hover { background: #a50015; color: #fff; }
.agency-list li.ag-active { flex: 1 1 auto; }
.agency-list li.ag-active .ag-arrow-down { display: none; }
.agency-list li.ag-active .ag-arrow-up { display: inline; }
.agency-list li.ag-active p { display: block; }
.agency-list li.ag-active .ag-btn-row { display: block; }
@media (max-width: 1240px) {
    .agency-box { width: 96%; margin: 0 auto; }
}
@media (max-width: 900px) {
    .agency-box { height: auto; display: flex; flex-direction: column; width: 96%; }
    .agency-images { position: relative; width: 100%; height: 300px; }
    .agency-text { position: relative; width: 100%; height: auto; }
    .agency-list { height: auto; }
}
@media (max-width: 600px) {
    .agency-images { height: 220px; }
    .agency-text { width: 100%; }
    .agency-list li { padding: 20px 24px; }
    .ag-icon-row b { font-size: 17px; }
}

/* ==============================================
   Container Clearfix 子元素滚动入场动画
   ============================================== */
.cf-child-hidden {
    opacity: 0;
    transform: translateY(26px);
    transition: opacity 0.62s cubic-bezier(.25,.46,.45,.94),
                transform 0.62s cubic-bezier(.25,.46,.45,.94);
}
.cf-child-visible {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

/* ==============================================
   移动端底部固定导航栏
   ============================================== */
.mobile-bottom-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 990;
    height: 56px;
    background: #fff;
    border-top: 1px solid #e2e8f0;
    box-shadow: 0 -3px 14px rgba(0,0,0,0.10);
    flex-direction: row;
    align-items: stretch;
}
@media (max-width: 768px) {
    .mobile-bottom-bar { display: flex; }
    body { padding-bottom: 56px; }
}
.mbb-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    color: #999;
    font-size: 11px;
    line-height: 1.3;
    text-decoration: none;
    transition: color 0.2s;
    -webkit-tap-highlight-color: transparent;
    position: relative;
}
.mbb-item svg {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
    transition: transform 0.2s;
}
.mbb-item:active svg { transform: scale(0.88); }
.mbb-item.active {
    color: #4177b7;
}
.mbb-item.active svg { color: #4177b7; }
/* 电话按钮 — 蓝色圆圆突出样式 */
.mbb-tel {
    color: #fff !important;
    flex: 0 0 60px;
}
.mbb-tel .mbb-tel-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    width: 52px;
    height: 52px;
    background: linear-gradient(145deg, #1a3a7a 0%, #4177b7 100%);
    border-radius: 50%;
    box-shadow: 0 3px 12px rgba(65,119,183,0.45);
    margin-top: -10px;
    font-size: 10px;
    color: #fff;
}
.mbb-tel .mbb-tel-inner svg { width: 20px; height: 20px; }
.mbb-tel > span { display: none; }