/* ============================================================
   安徽用维商贸有限公司 - 全站样式表
   ============================================================ */
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif; color: #333; background: #fff; line-height: 1.6; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
img { max-width: 100%; display: block; }
.container { width: 1200px; margin: 0 auto; }
.clearfix::after { content: ""; display: table; clear: both; }

/* 顶部欢迎条 */
.top-bar { background: #f5f5f5; border-bottom: 1px solid #e0e0e0; font-size: 13px; color: #666; }
.top-bar .container { display: flex; justify-content: space-between; align-items: center; height: 32px; }
.top-bar a { color: #666; margin-left: 15px; }
.top-bar a:hover { color: #c8102e; }

/* 头部 */
.header { padding: 18px 0; background: #fff; }
.header .container { display: flex; justify-content: space-between; align-items: center; }
.header-left { display: flex; align-items: center; gap: 15px; }
.header-left .logo { width: 70px; height: 70px; border-radius: 50%; overflow: hidden; flex-shrink: 0; }
.header-left .logo img { width: 100%; height: 100%; object-fit: cover; }
.header-left .company-info h1 { font-size: 24px; color: #1a3a6c; font-weight: 700; line-height: 1.3; }
.header-left .company-info .en-name { font-size: 12px; color: #888; letter-spacing: 0.5px; }
.header-left .company-info .slogan { font-size: 14px; color: #555; margin-top: 2px; }
.header-right { text-align: right; }
.header-right .hot-label { font-size: 13px; color: #666; }
.header-right .hot-phone { font-size: 28px; color: #c8102e; font-weight: 700; line-height: 1.2; }

/* 导航栏 */
.nav { background: #1a3a6c; position: sticky; top: 0; z-index: 100; }
.nav .container { display: flex; align-items: center; }
.nav ul { display: flex; flex: 1; }
.nav ul li a { display: block; padding: 0 30px; height: 50px; line-height: 50px; color: #fff; font-size: 15px; transition: background 0.2s; }
.nav ul li a:hover, .nav ul li a.active { background: #c8102e; }
.nav .online-service { color: #fff; font-size: 14px; display: flex; align-items: center; gap: 6px; padding-right: 10px; cursor: pointer; }
.nav .online-service::before { content: "💬"; }
.nav-toggle { display: none; flex-direction: column; justify-content: center; gap: 5px; width: 50px; height: 50px; cursor: pointer; padding: 0 15px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: #fff; border-radius: 2px; transition: all 0.3s; }
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 公共模板容器（消除BOM/空白导致的间距） */
.public-templates { margin: 0; padding: 0; font-size: 0; line-height: 0; }
.public-templates > * { font-size: 14px; line-height: 1.6; }
.public-header-templates { display: block; }
.public-footer-templates { display: block; }

/* Banner */
.banner { position: relative; height: 520px; overflow: hidden; }
.banner-slides { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }
.banner-slide { position: absolute; top: 0; left: 0; width: 100%; height: 100%; opacity: 0; transition: opacity 1s ease-in-out; }
.banner-slide.active { opacity: 1; }
.banner-slide img { width: 100%; height: 100%; object-fit: cover; }
.banner-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(90deg, rgba(8,20,45,0.85) 0%, rgba(8,20,45,0.5) 45%, rgba(8,20,45,0.1) 100%); z-index: 1; }
.banner-watermark { position: absolute; top: 68%; left: 50%; transform: translate(-50%, -50%); font-size: 72px; font-weight: 900; color: rgba(255,255,255,0.06); line-height: 1.3; z-index: 1; letter-spacing: 6px; pointer-events: none; text-align: center; width: 100%; }
.banner > .container { height: 100%; }
.banner-content { position: relative; z-index: 2; height: 100%; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; color: #fff; text-align: left; padding-left: 40px; }
.banner-content .main-title { font-size: 44px; font-weight: 800; margin-bottom: 18px; text-shadow: 0 2px 10px rgba(0,0,0,0.4); line-height: 1.3; }
.banner-content .sub-title { font-size: 22px; color: #f5c518; margin-bottom: 10px; font-weight: 600; text-shadow: 0 1px 6px rgba(0,0,0,0.4); }
.banner-content .en-title { font-size: 15px; opacity: 0.85; letter-spacing: 1px; margin-bottom: 30px; }
.banner-buttons { display: flex; gap: 16px; justify-content: flex-start; }
.btn-banner-primary { display: inline-block; background: #c8102e; color: #fff; padding: 13px 42px; font-size: 16px; font-weight: 600; border: none; cursor: pointer; transition: all 0.2s; border-radius: 2px; }
.btn-banner-primary:hover { background: #a00d24; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(200,16,46,0.4); }
.btn-banner-outline { display: inline-block; background: transparent; color: #fff; padding: 13px 42px; font-size: 16px; font-weight: 600; border: 2px solid rgba(255,255,255,0.7); cursor: pointer; transition: all 0.2s; border-radius: 2px; }
.btn-banner-outline:hover { background: rgba(255,255,255,0.15); border-color: #fff; transform: translateY(-1px); }
.banner-dots { position: absolute; bottom: 25px; left: 50%; transform: translateX(-50%); display: flex; gap: 8px; z-index: 3; }
.banner-dots span { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,0.5); cursor: pointer; }
.banner-dots span.active { background: #fff; width: 24px; border-radius: 5px; }
.banner-products { position: absolute; bottom: 30px; right: 60px; display: flex; gap: 10px; z-index: 3; }
.banner-products .p-item { width: 90px; height: 70px; background: #fff; border-radius: 4px; overflow: hidden; box-shadow: 0 2px 10px rgba(0,0,0,0.2); }
.banner-products .p-item img { width: 100%; height: 100%; object-fit: cover; }

/* 悬浮在线咨询 */
.float-consult { position: fixed; left: 0; top: 50%; transform: translateY(-50%); z-index: 99; background: #c8102e; color: #fff; writing-mode: vertical-rl; padding: 15px 8px; font-size: 14px; border-radius: 0 4px 4px 0; cursor: pointer; letter-spacing: 2px; transition: background 0.2s; }
.float-consult:hover { background: #a00d24; }
/* 遮罩层 */
.float-service-overlay { position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.45); z-index: 998; display: none; }
.float-service-overlay.show { display: block; }
/* 居中弹窗 */
.float-service { position: fixed; left: 50%; top: 50%; transform: translate(-50%, -50%) scale(0.9); z-index: 999; background: #fff; border-radius: 10px; padding: 25px 22px 20px; width: 300px; max-width: 90vw; box-shadow: 0 10px 40px rgba(0,0,0,0.2); font-size: 14px; display: none; opacity: 0; transition: opacity 0.25s ease, transform 0.25s ease; }
.float-service.show { display: block; opacity: 1; transform: translate(-50%, -50%) scale(1); }
.float-service .fs-close { position: absolute; top: 10px; right: 14px; font-size: 22px; color: #999; cursor: pointer; line-height: 1; transition: color 0.2s; }
.float-service .fs-close:hover { color: #c8102e; }
.float-service p { margin-bottom: 10px; color: #555; line-height: 1.6; }
.float-service p strong { color: #1a3a6c; }
.float-service .qr-placeholder { width: 140px; height: 140px; background: #f0f0f0; margin: 12px auto 0; display: flex; align-items: center; justify-content: center; color: #999; font-size: 12px; text-align: center; border: 1px dashed #ccc; border-radius: 6px; }
.float-service .qr-img-box { margin: 12px auto 0; text-align: center; }
.float-service .qr-img-box img { width: 140px; height: 140px; object-fit: contain; border: 1px solid #e2e2e2; border-radius: 6px; display: block; margin: 0 auto; }
.float-service .qr-img-box p { font-size: 12px; color: #999; margin-top: 8px; }

/* 热门关键词 + 搜索 */
.keyword-bar { background: #f8f8f8; padding: 12px 0; border-bottom: 1px solid #eee; }
.keyword-bar .container { display: flex; justify-content: space-between; align-items: center; }
.keyword-bar .keywords { font-size: 13px; color: #666; }
.keyword-bar .keywords span { color: #333; font-weight: 600; margin-right: 8px; }
.keyword-bar .keywords a { color: #555; margin-right: 12px; }
.keyword-bar .keywords a:hover { color: #c8102e; }
.search-box { display: flex; }
.search-box input { width: 220px; height: 34px; border: 1px solid #ddd; padding: 0 10px; font-size: 13px; outline: none; }
.search-box button { width: 44px; height: 34px; background: #c8102e; color: #fff; border: none; cursor: pointer; font-size: 16px; }

/* 产品区 */
.product-section { padding: 30px 0; background: #f5f5f5; }
.product-section .container { display: flex; gap: 20px; }
.sidebar { width: 240px; flex-shrink: 0; }
.sidebar .cat-title { background: #1a3a6c; color: #fff; text-align: center; padding: 14px 0; font-size: 17px; font-weight: 600; }
.sidebar .cat-group { background: #fff; border: 1px solid #e0e0e0; border-top: none; }
.sidebar .cat-group .group-title { background: #2a5298; color: #fff; padding: 10px 15px; font-size: 14px; font-weight: 600; cursor: pointer; display: flex; justify-content: space-between; align-items: center; }
.sidebar .cat-group .group-title::after { content: "▾"; font-size: 10px; }
.sidebar .cat-group ul { padding: 5px 0; }
.sidebar .cat-group ul li a { display: block; padding: 8px 15px 8px 30px; font-size: 13px; color: #555; border-bottom: 1px dotted #eee; position: relative; }
.sidebar .cat-group ul li a::before { content: "○"; position: absolute; left: 15px; color: #999; font-size: 10px; }
.sidebar .cat-group ul li a:hover, .sidebar .cat-group ul li a.active { color: #c8102e; background: #f8f8f8; }

.product-main { flex: 1; }
.section-header { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 18px; padding-bottom: 10px; border-bottom: 2px solid #1a3a6c; }
.section-header h2 { font-size: 22px; color: #1a3a6c; font-weight: 700; }
.section-header h2 small { font-size: 13px; color: #999; font-weight: 400; margin-left: 8px; letter-spacing: 1px; }
.section-header .more { font-size: 13px; color: #888; }
.section-header .more:hover { color: #c8102e; }

.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.product-card { background: #fff; border: 1px solid #e8e8e8; transition: box-shadow 0.2s, transform 0.2s; }
.product-card:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.1); transform: translateY(-2px); }
.product-card .p-img { height: 200px; overflow: hidden; background: #fafafa; display: flex; align-items: center; justify-content: center; }
.product-card .p-img img { max-height: 100%; object-fit: contain; transition: transform 0.3s; }
.product-card:hover .p-img img { transform: scale(1.05); }
.product-card .p-name { padding: 12px; text-align: center; font-size: 14px; color: #333; border-top: 1px solid #eee; }
.product-card .p-name:hover { color: #c8102e; }

/* 客户案例 */
.case-section { padding: 40px 0; background: #fff; }
.case-section .container { display: flex; gap: 25px; }
.case-tabs { width: 260px; flex-shrink: 0; }
.case-tab { padding: 14px 18px; background: #f5f5f5; border-left: 3px solid #ddd; margin-bottom: 2px; cursor: pointer; font-size: 14px; color: #555; transition: all 0.2s; display: flex; justify-content: space-between; align-items: center; }
.case-tab.active { background: #2a5298; color: #fff; border-left-color: #c8102e; }
.case-tab::after { content: "›"; font-size: 16px; }
.case-tab.active::after { content: "›"; }
.case-panels { flex: 1; }
.case-panel { display: none; gap: 25px; align-items: flex-start; }
.case-panel.active { display: flex; }
.case-panel .case-img { width: 320px; height: 260px; flex-shrink: 0; background: #f5f5f5; overflow: hidden; }
.case-panel .case-img img { width: 100%; height: 100%; object-fit: cover; }
.case-panel .case-text h3 { font-size: 20px; color: #1a3a6c; margin-bottom: 12px; }
.case-panel .case-text p { font-size: 14px; color: #666; line-height: 1.8; margin-bottom: 20px; }
.btn-red { display: inline-block; background: #c8102e; color: #fff; padding: 10px 36px; font-size: 14px; border: none; cursor: pointer; transition: background 0.2s; }
.btn-red:hover { background: #a00d24; }

/* 关于我们 */
.about-section { padding: 40px 0; background: #f8f8f8; }
.about-section .container { display: flex; gap: 30px; align-items: flex-start; }
.about-img { width: 420px; flex-shrink: 0; height: 300px; overflow: hidden; }
.about-img img { width: 100%; height: 100%; object-fit: cover; }
.about-text { flex: 1; }
.about-text h2 { font-size: 24px; color: #1a3a6c; margin-bottom: 15px; font-weight: 700; }
.about-text p { font-size: 14px; color: #555; line-height: 1.9; margin-bottom: 12px; text-indent: 2em; }
.advantages { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 18px; }
.adv-item { background: #fff; padding: 12px 16px; border-left: 3px solid #c8102e; font-size: 13px; }
.adv-item strong { color: #1a3a6c; display: block; margin-bottom: 3px; }

/* 新闻中心 */
.news-section { padding: 40px 0; background: #fff; }
.news-section > .container > h2 { text-align: center; font-size: 26px; color: #333; margin-bottom: 30px; font-weight: 700; }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 25px; }
.news-col .news-banner { height: 180px; display: flex; flex-direction: column; justify-content: center; padding: 0 25px; color: #fff; margin-bottom: 15px; }
.news-col .news-banner h3 { font-size: 20px; margin-bottom: 8px; }
.news-col .news-banner .highlight { font-size: 22px; font-weight: 700; }
.news-col:nth-child(1) .news-banner { background: #5a7ba8; }
.news-col:nth-child(2) .news-banner { background: #d4944a; }
.news-col:nth-child(3) .news-banner { background: #5aaca8; }
.news-col .col-header { display: flex; justify-content: space-between; align-items: baseline; padding-bottom: 8px; border-bottom: 1px solid #eee; margin-bottom: 10px; }
.news-col .col-header h4 { font-size: 16px; color: #1a3a6c; }
.news-col .col-header h4 small { font-size: 11px; color: #999; margin-left: 6px; letter-spacing: 1px; }
.news-col .col-header a { font-size: 12px; color: #888; }
.news-list li { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px dotted #eee; font-size: 13px; }
.news-list li a { color: #555; flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; padding-right: 10px; }
.news-list li a::before { content: "■"; color: #c8102e; font-size: 8px; margin-right: 6px; vertical-align: middle; }
.news-list li a:hover { color: #c8102e; }
.news-list li .date { color: #999; font-size: 12px; flex-shrink: 0; }

/* 百度地图 */
.map-section { padding: 40px 0; background: #f5f5f5; }
.map-section h2 { text-align: center; font-size: 26px; color: #333; margin-bottom: 8px; font-weight: 700; }
.map-section .sub { text-align: center; color: #888; font-size: 14px; margin-bottom: 25px; }
.map-container { width: 100%; height: 420px; border: 1px solid #ddd; background: #e8e8e8; position: relative; overflow: hidden; }
.map-container iframe { width: 100%; height: 100%; border: none; }

/* 联系我们 */
.contact-section { padding: 40px 0; background: #fff; }
.contact-section h2 { text-align: center; font-size: 26px; color: #333; margin-bottom: 8px; font-weight: 700; }
.contact-section .sub { text-align: center; color: #888; font-size: 14px; margin-bottom: 30px; }
.contact-wrap { display: flex; gap: 40px; max-width: 1000px; margin: 0 auto; background: #fff; padding: 45px; border-radius: 8px; box-shadow: 0 4px 24px rgba(0,0,0,0.06); }
.contact-info { flex: 0 0 40%; }
.contact-info .info-item { display: flex; gap: 15px; margin-bottom: 24px; align-items: flex-start; }
.contact-info .info-icon { width: 48px; height: 48px; background: #1a3a6c; color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 20px; flex-shrink: 0; }
.contact-info .info-text h4 { font-size: 16px; color: #1a3a6c; margin-bottom: 4px; font-weight: 600; }
.contact-info .info-text p { font-size: 15px; color: #666; line-height: 1.7; }
.contact-form { flex: 1; background: #f8f9fb; padding: 35px; border-radius: 6px; }
.contact-form h3 { font-size: 22px; color: #1a3a6c; margin-bottom: 25px; font-weight: 700; }
.form-row { margin-bottom: 20px; }
.form-row label { display: block; font-size: 14px; color: #555; margin-bottom: 8px; font-weight: 500; }
.form-row input, .form-row textarea { width: 100%; padding: 12px 16px; border: 1px solid #ddd; font-size: 15px; outline: none; font-family: inherit; border-radius: 4px; box-sizing: border-box; transition: border-color 0.2s, box-shadow 0.2s; }
.form-row input:focus, .form-row textarea:focus { border-color: #1a3a6c; box-shadow: 0 0 0 3px rgba(26,58,108,0.1); }
.form-row textarea { height: 120px; resize: vertical; }
.form-row .btn-red { width: 100%; padding: 14px; font-size: 16px; font-weight: 600; border-radius: 4px; }
.form-row .captcha-row { display: flex; gap: 10px; align-items: center; }
.form-row .captcha-row input { flex: 1; }
.form-row .captcha-code { background: #1a3a6c; color: #fff; padding: 12px 20px; font-size: 18px; font-weight: 700; letter-spacing: 3px; cursor: pointer; user-select: none; border-radius: 4px; }

/* FAQ */
.faq-section { padding: 40px 0; background: #f5f5f5; }
.faq-section h2 { text-align: center; font-size: 26px; color: #333; margin-bottom: 8px; font-weight: 700; }
.faq-section .sub { text-align: center; color: #888; font-size: 14px; margin-bottom: 30px; }
.faq-list { max-width: 900px; margin: 0 auto; }
.faq-item { background: #fff; margin-bottom: 10px; border: 1px solid #e8e8e8; border-radius: 4px; overflow: hidden; }
.faq-question { padding: 16px 20px; cursor: pointer; display: flex; justify-content: space-between; align-items: center; font-size: 15px; color: #333; font-weight: 600; transition: background 0.2s; }
.faq-question:hover { background: #f8f8f8; }
.faq-question .q-num { color: #c8102e; margin-right: 8px; font-weight: 700; }
.faq-question .toggle { font-size: 20px; color: #999; transition: transform 0.3s; flex-shrink: 0; }
.faq-item.open .faq-question .toggle { transform: rotate(45deg); color: #c8102e; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease, padding 0.3s ease; padding: 0 20px; font-size: 14px; color: #666; line-height: 1.8; }
.faq-item.open .faq-answer { max-height: 300px; padding: 0 20px 16px 48px; }

/* 友情链接 */
.links-section { padding: 30px 0; background: #fff; border-top: 1px solid #eee; }
.links-section h3 { font-size: 16px; color: #1a3a6c; margin-bottom: 12px; }
.links-section h3 small { font-size: 12px; color: #999; margin-left: 6px; letter-spacing: 1px; }
.links-list { display: flex; flex-wrap: wrap; gap: 10px 20px; }
.links-list a { font-size: 13px; color: #666; }
.links-list a:hover { color: #c8102e; }

/* 页脚 */
.footer { background: #232f45; color: #aaa; padding: 35px 0 20px; }
.footer-nav { display: flex; justify-content: center; gap: 0; margin-bottom: 30px; background: rgba(255,255,255,0.05); border-radius: 4px; overflow: hidden; }
.footer-nav a { padding: 12px 35px; color: #ccc; font-size: 14px; border-right: 1px solid rgba(255,255,255,0.08); }
.footer-nav a:last-child { border-right: none; }
.footer-nav a:hover { color: #fff; background: rgba(255,255,255,0.05); }
.footer-content { display: flex; gap: 40px; align-items: flex-start; }
.footer-logo { width: 120px; flex-shrink: 0; text-align: center; }
.footer-logo img { width: 80px; height: 80px; border-radius: 50%; margin: 0 auto 8px; }
.footer-logo .name { font-size: 16px; color: #fff; font-weight: 600; }
.footer-logo .en { font-size: 10px; color: #888; }
.footer-contact { flex: 1; font-size: 13px; line-height: 2; }
.footer-contact p { color: #bbb; }
.footer-contact strong { color: #ddd; }
.footer-contact .phone { color: #e74c3c; font-size: 18px; font-weight: 700; }
.footer-qr { width: 130px; text-align: center; flex-shrink: 0; }
.footer-qr .qr-box { width: 110px; height: 110px; background: #fff; margin: 0 auto 8px; display: flex; align-items: center; justify-content: center; color: #999; font-size: 11px; border-radius: 4px; }
.footer-qr .footer-qr-img { width: 110px; height: 110px; object-fit: contain; background: #fff; margin: 0 auto 8px; border-radius: 4px; display: block; }
.footer-qr p { font-size: 12px; color: #999; }
.footer-bottom { text-align: center; margin-top: 25px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,0.08); font-size: 12px; color: #888; line-height: 1.8; }

/* ============================================================
   子页专用样式
   ============================================================ */

/* 面包屑 */
.breadcrumb { background: #f5f5f5; padding: 12px 0; border-bottom: 1px solid #eee; font-size: 13px; color: #666; }
.breadcrumb a { color: #555; }
.breadcrumb a:hover { color: #c8102e; }
.breadcrumb .sep { margin: 0 6px; color: #999; }
.breadcrumb .current { color: #1a3a6c; font-weight: 600; }

/* 子页主体布局 */
.page-main { padding: 30px 0; background: #f5f5f5; min-height: 500px; }
.page-main .container { display: flex; gap: 20px; }
.page-content { flex: 1; background: #fff; padding: 25px; }
.page-content-full { flex: 1; background: #fff; padding: 25px; }

/* 列表页标题 */
.list-header { margin-bottom: 20px; padding-bottom: 12px; border-bottom: 2px solid #1a3a6c; }
.list-header h1 { font-size: 22px; color: #1a3a6c; font-weight: 700; }
.list-header h1 small { font-size: 13px; color: #999; font-weight: 400; margin-left: 8px; }

/* 产品列表 */
.product-list-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.product-list-item { background: #fff; border: 1px solid #e8e8e8; transition: box-shadow 0.2s, transform 0.2s; }
.product-list-item:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.1); transform: translateY(-2px); }
.product-list-item .p-img { height: 180px; overflow: hidden; background: #fafafa; display: flex; align-items: center; justify-content: center; }
.product-list-item .p-img img { max-height: 100%; object-fit: contain; }
.product-list-item .p-info { padding: 12px; text-align: center; border-top: 1px solid #eee; }
.product-list-item .p-info .p-title { font-size: 14px; color: #333; margin-bottom: 6px; }
.product-list-item .p-info .p-title:hover { color: #c8102e; }
.product-list-item .p-info .p-desc { font-size: 12px; color: #999; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* 新闻列表 */
.news-list-page li { display: flex; gap: 20px; padding: 18px 0; border-bottom: 1px solid #eee; }
.news-list-page .news-img { width: 180px; height: 120px; flex-shrink: 0; overflow: hidden; background: #f5f5f5; }
.news-list-page .news-img img { width: 100%; height: 100%; object-fit: cover; }
.news-list-page .news-text { flex: 1; }
.news-list-page .news-text h3 { font-size: 17px; color: #333; margin-bottom: 8px; }
.news-list-page .news-text h3:hover { color: #c8102e; }
.news-list-page .news-text .news-meta { font-size: 12px; color: #999; margin-bottom: 8px; }
.news-list-page .news-text .news-meta span { margin-right: 15px; }
.news-list-page .news-text .news-desc { font-size: 13px; color: #666; line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-list-page .no-img .news-text { flex: 1; }

/* 案例列表 */
.case-list-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.case-list-item { background: #fff; border: 1px solid #e8e8e8; overflow: hidden; transition: box-shadow 0.2s; }
.case-list-item:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.1); }
.case-list-item .case-img { height: 180px; overflow: hidden; }
.case-list-item .case-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s; }
.case-list-item:hover .case-img img { transform: scale(1.05); }
.case-list-item .case-info { padding: 15px; }
.case-list-item .case-info h3 { font-size: 16px; color: #1a3a6c; margin-bottom: 8px; }
.case-list-item .case-info h3:hover { color: #c8102e; }
.case-list-item .case-info p { font-size: 13px; color: #666; line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* 详情页通用（detail-head / detail-body / related-box） */
.detail-head { background: #fff; padding: 25px 30px; text-align: center; border-bottom: 1px solid #eee; }
.detail-head h1 { font-size: 26px; color: #333; margin-bottom: 12px; line-height: 1.4; font-weight: 700; }
.detail-head .detail-meta { font-size: 13px; color: #999; }
.detail-head .detail-meta span { margin: 0 10px; }

.detail-body { background: #fff; padding: 30px; font-size: 15px; color: #444; line-height: 1.9; }
.detail-body p { margin-bottom: 15px; text-indent: 2em; }
.detail-body h2, .detail-body h3 { color: #1a3a6c; margin: 20px 0 10px; }
.detail-body ul, .detail-body ol { margin: 10px 0 15px 30px; }
.detail-body ul li, .detail-body ol li { margin-bottom: 6px; list-style: disc; }
.detail-body img { max-width: 100%; margin: 15px auto; display: block; border-radius: 4px; }
.detail-body table { width: 100%; border-collapse: collapse; margin: 15px 0; }
.detail-body table td, .detail-body table th { border: 1px solid #ddd; padding: 8px 12px; font-size: 14px; }
.detail-body table th { background: #f5f5f5; color: #1a3a6c; }

.prev-next { background: #fff; padding: 20px 30px; margin-top: 0; border-top: 1px solid #eee; }
.prev-next p { font-size: 14px; color: #555; padding: 6px 0; }
.prev-next a { color: #1a3a6c; }
.prev-next a:hover { color: #c8102e; }
.prev-next .label { color: #999; margin-right: 8px; }

.related-box { background: #fff; padding: 25px 30px; margin-top: 20px; }
.related-box h3 { font-size: 18px; color: #1a3a6c; margin-bottom: 18px; padding-left: 10px; border-left: 4px solid #c8102e; }
.related-list { display: grid; grid-template-columns: repeat(5, 1fr); gap: 15px; }
.r-item { text-align: center; }
.r-item a { display: block; color: #555; text-decoration: none; }
.r-item a:hover { color: #c8102e; }
.r-item .r-img { width: 100%; height: 100px; background: #f5f5f5; border-radius: 4px; overflow: hidden; margin-bottom: 8px; display: flex; align-items: center; justify-content: center; }
.r-item .r-img img { width: 100%; height: 100%; object-fit: cover; }
.r-item .r-img .no-img { font-size: 28px; color: #ccc; }
.r-item p { font-size: 13px; line-height: 1.5; text-align: left; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* 产品详情 */
.product-detail-top { display: flex; gap: 30px; margin-bottom: 30px; }
.product-detail-img { width: 400px; flex-shrink: 0; height: 350px; background: #fafafa; border: 1px solid #eee; display: flex; align-items: center; justify-content: center; }
.product-detail-img img { max-height: 100%; object-fit: contain; }
.product-detail-info { flex: 1; }
.product-detail-info h1 { font-size: 24px; color: #1a3a6c; margin-bottom: 15px; line-height: 1.4; }
.product-detail-info .product-desc { font-size: 14px; color: #666; line-height: 1.8; margin-bottom: 20px; }
.product-detail-info .product-params { background: #f8f8f8; padding: 15px; border-radius: 4px; margin-bottom: 20px; }
.product-detail-info .product-params h4 { font-size: 15px; color: #1a3a6c; margin-bottom: 10px; }
.product-detail-info .product-params ul li { font-size: 13px; color: #555; padding: 4px 0; }
.product-detail-info .contact-btn { display: inline-block; background: #c8102e; color: #fff; padding: 12px 40px; font-size: 15px; font-weight: 600; }
.product-detail-info .contact-btn:hover { background: #a00d24; }

/* 分页 */
.pagination { display: flex; justify-content: center; align-items: center; gap: 6px; margin-top: 30px; flex-wrap: wrap; }
.pagination a, .pagination span { display: inline-block; min-width: 38px; height: 38px; line-height: 36px; padding: 0 14px; border: 1px solid #ddd; background: #fff; font-size: 13px; color: #555; transition: all 0.2s; text-align: center; box-sizing: border-box; }
.pagination a:hover { background: #1a3a6c; color: #fff; border-color: #1a3a6c; }
.pagination .current { background: #c8102e; color: #fff; border-color: #c8102e; font-weight: 600; }

/* 关于我们页面 */
.about-page-content h2 { font-size: 22px; color: #1a3a6c; margin: 25px 0 12px; padding-left: 12px; border-left: 4px solid #c8102e; }
.about-page-content p { font-size: 14px; color: #555; line-height: 1.9; margin-bottom: 12px; text-indent: 2em; }
.about-page-content ul { margin: 10px 0 15px 20px; }
.about-page-content ul li { font-size: 14px; color: #555; padding: 5px 0; list-style: disc; }
.about-banner-img { width: 100%; height: 300px; overflow: hidden; margin-bottom: 25px; }
.about-banner-img img { width: 100%; height: 100%; object-fit: cover; }

/* 空数据提示 */
.empty-tip { text-align: center; padding: 60px 0; color: #999; font-size: 14px; }
.search-empty { text-align: center; padding: 60px 0; color: #999; font-size: 14px; }

/* ============================================================
   子页通用布局（page-banner / inner-section / main-col）
   ============================================================ */

/* 子页顶部横幅 */
.page-banner { position: relative; height: 160px; background: linear-gradient(135deg, #1a3a6c 0%, #2a5298 50%, #1a3a6c 100%); overflow: hidden; }
.page-banner .container { height: 100%; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; }
.page-banner::before { content: ""; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E"); }
.page-banner h2 { position: relative; z-index: 1; font-size: 32px; color: #fff; font-weight: 700; margin-bottom: 6px; letter-spacing: 2px; }
.page-banner .sub-en { position: relative; z-index: 1; font-size: 14px; color: rgba(255,255,255,0.6); letter-spacing: 4px; text-transform: uppercase; }
.page-banner::after { content: ""; position: absolute; right: 60px; top: 50%; transform: translateY(-50%); width: 200px; height: 200px; border: 2px solid rgba(255,255,255,0.08); border-radius: 50%; }

/* 子页主体区域 */
.inner-section { padding: 30px 0; background: #f5f5f5; min-height: 500px; }
.inner-section .container { display: flex; gap: 20px; align-items: flex-start; }
.main-col { flex: 1; min-width: 0; }

/* 侧栏联系电话框 */
.side-contact { background: #fff; border: 1px solid #e0e0e0; border-top: 3px solid #c8102e; padding: 18px 15px; margin-top: 15px; text-align: center; }
.side-contact h4 { font-size: 14px; color: #1a3a6c; margin-bottom: 8px; font-weight: 600; }
.side-contact .phone { font-size: 22px; color: #c8102e; font-weight: 700; margin-bottom: 6px; }
.side-contact p { font-size: 12px; color: #888; }

/* ============================================================
   新闻列表页（news-item 系列）
   ============================================================ */
.news-list-page { background: #fff; padding: 20px; }
.news-item { display: flex; gap: 20px; padding: 20px 0; border-bottom: 1px solid #eee; transition: background 0.2s; }
.news-item:last-child { border-bottom: none; }
.news-item:hover { background: #fafafa; }
.news-item-img { width: 200px; height: 140px; flex-shrink: 0; overflow: hidden; background: #f5f5f5; border-radius: 2px; }
.news-item-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s; }
.news-item:hover .news-item-img img { transform: scale(1.05); }
.news-item-text { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.news-item-text h3 { font-size: 18px; color: #333; margin-bottom: 10px; font-weight: 600; line-height: 1.4; }
.news-item-text h3 a:hover { color: #c8102e; }
.news-item-meta { font-size: 12px; color: #999; margin-bottom: 10px; }
.news-item-meta span { margin-right: 18px; }
.news-item-meta span::before { content: ""; display: inline-block; width: 4px; height: 4px; background: #c8102e; border-radius: 50%; margin-right: 6px; vertical-align: middle; }
.news-item-text p { font-size: 13px; color: #666; line-height: 1.8; flex: 1; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 12px; }
.news-item-text .btn-red { align-self: flex-start; padding: 6px 20px; font-size: 13px; }

/* ============================================================
   案例列表页（case-grid / case-card 系列）
   ============================================================ */
.case-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.case-card { background: #fff; border: 1px solid #e8e8e8; overflow: hidden; transition: box-shadow 0.2s, transform 0.2s; }
.case-card:hover { box-shadow: 0 6px 20px rgba(0,0,0,0.1); transform: translateY(-3px); }
.case-card .c-img { height: 200px; overflow: hidden; position: relative; }
.case-card .c-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.case-card:hover .c-img img { transform: scale(1.08); }
.case-card .c-img::after { content: ""; position: absolute; bottom: 0; left: 0; right: 0; height: 40px; background: linear-gradient(transparent, rgba(0,0,0,0.3)); }
.case-card .c-body { padding: 18px; }
.case-card .c-body h3 { font-size: 16px; color: #1a3a6c; margin-bottom: 10px; font-weight: 600; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.case-card .c-body h3 a:hover { color: #c8102e; }
.case-card .c-body p { font-size: 13px; color: #666; line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ============================================================
   响应式 - 子页新增样式
   ============================================================ */
@media (max-width: 1200px) {
  .container { width: 96%; }
  .product-grid, .product-list-grid { grid-template-columns: repeat(2, 1fr); }
  .related-list { grid-template-columns: repeat(3, 1fr); }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 1024px) {
  .header-left .company-info h1 { font-size: 20px; }
  .header-right .hot-phone { font-size: 24px; }
  .nav ul li a { padding: 0 18px; font-size: 14px; }
  .banner { height: 440px; }
  .banner-content .main-title { font-size: 36px; }
  .banner-content .sub-title { font-size: 18px; }
  .banner-watermark { font-size: 56px; }
  .case-section .container { flex-direction: column; }
  .case-tabs { width: 100%; display: flex; flex-wrap: wrap; gap: 2px; }
  .case-tab { flex: 1; min-width: 140px; text-align: center; }
  .about-section .container { flex-direction: column; }
  .about-img { width: 100%; height: 320px; }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid .news-col:last-child { grid-column: span 2; }
  .contact-wrap { flex-direction: column; padding: 30px; gap: 30px; }
  .contact-info { flex: 1; }
  .footer-content { gap: 25px; }
  .page-main .container { flex-direction: column; }
  .sidebar { width: 100%; }
  .product-detail-top { flex-direction: column; }
  .product-detail-img { width: 100%; height: 300px; }
  .inner-section .container { flex-direction: column; }
  .page-banner { height: 130px; }
  .page-banner h2 { font-size: 26px; }
  .page-banner::after { display: none; }
}

@media (max-width: 768px) {
  .top-bar { display: none; }
  .header { padding: 12px 0; }
  .header .container { flex-wrap: wrap; gap: 10px; }
  .header-left .logo { width: 56px; height: 56px; }
  .header-left .company-info h1 { font-size: 18px; }
  .header-left .company-info .en-name { font-size: 10px; }
  .header-left .company-info .slogan { font-size: 12px; }
  .header-right { text-align: left; width: 100%; }
  .header-right .hot-phone { font-size: 22px; }
  .nav .container { position: relative; }
  .nav-toggle { display: flex !important; }
  .nav ul { display: none; position: absolute; top: 50px; left: 0; right: 0; background: #1a3a6c; flex-direction: column; z-index: 200; box-shadow: 0 4px 12px rgba(0,0,0,0.3); }
  .nav ul.open { display: flex; }
  .nav ul li { width: 100%; border-bottom: 1px solid rgba(255,255,255,0.1); }
  .nav ul li a { padding: 14px 20px; font-size: 15px; }
  .nav .online-service { display: none; }
  .banner { height: 380px; }
  .banner-content { display: none; }
  .banner-watermark { display: none; }
  .banner-products { display: none; }
  .banner-dots { bottom: 15px; }
  .keyword-bar .container { flex-direction: column; gap: 10px; align-items: stretch; }
  .keyword-bar .keywords { text-align: center; line-height: 1.8; }
  .search-box { width: 100%; }
  .search-box input { flex: 1; }
  .product-section .container { flex-direction: column; }
  .product-grid, .product-list-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .product-card .p-img, .product-list-item .p-img { height: 160px; }
  .case-panel.active { flex-direction: column; }
  .case-panel .case-img { width: 100%; height: 240px; }
  .case-list-grid { grid-template-columns: 1fr; }
  .about-img { height: 260px; }
  .advantages { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .news-grid .news-col:last-child { grid-column: span 1; }
  .news-list-page li { flex-direction: column; }
  .news-list-page .news-img { width: 100%; height: 180px; }
  .map-container { height: 320px; }
  .footer-nav { flex-wrap: wrap; justify-content: center; }
  .footer-nav a { padding: 10px 18px; font-size: 13px; border: none; }
  .footer-content { flex-direction: column; align-items: center; text-align: center; }
  .footer-logo { width: auto; }
  .footer-contact { text-align: center; }
  .float-consult, .float-service, .float-service-overlay { display: none; }
  .related-list { grid-template-columns: repeat(2, 1fr); }
  .page-banner { height: 110px; }
  .page-banner h2 { font-size: 22px; }
  .page-banner .sub-en { font-size: 12px; letter-spacing: 2px; }
  .inner-section { padding: 20px 0; }
  .news-item { flex-direction: column; gap: 12px; }
  .news-item-img { width: 100%; height: 180px; }
  .case-grid { grid-template-columns: 1fr; }
  .case-card .c-img { height: 180px; }
  .news-list-page { padding: 15px; }
  .honor-grid { grid-template-columns: repeat(2, 1fr); }
  .advantages-grid { grid-template-columns: repeat(2, 1fr); }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .about-detail { flex-direction: column; }
  .about-detail-img { width: 100%; height: 240px; }
  .about-sidebar { width: 100%; }
  .about-banner { height: 220px; }
}

@media (max-width: 600px) {
  .header-left .company-info h1 { font-size: 16px; }
  .header-left .company-info .slogan { display: none; }
  .banner { height: 340px; }
  .product-grid, .product-list-grid { grid-template-columns: 1fr; }
  .product-card .p-img, .product-list-item .p-img { height: 200px; }
  .section-header h2 { font-size: 18px; }
  .about-text h2, .news-section h2, .contact-section h2, .faq-section h2, .map-section h2 { font-size: 20px; }
  .case-tabs { flex-direction: column; }
  .case-tab { min-width: auto; }
  .detail-header h1 { font-size: 20px; }
  .page-banner { height: 90px; }
  .page-banner h2 { font-size: 20px; }
  .page-banner .sub-en { display: none; }
  .news-item-text h3 { font-size: 16px; }
  .case-card .c-img { height: 160px; }
  .honor-grid { grid-template-columns: 1fr; }
  .advantages-grid { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: 1fr; }
  .honor-intro, .about-detail, .advantages-section, .cert-section { padding: 20px; }
  .about-main { padding: 18px; }
  .about-main-head { flex-direction: column; align-items: flex-start; gap: 8px; }
  .about-banner { height: 160px; }
  .about-article { font-size: 14px; }
}

@media (max-width: 480px) {
  .header-left .logo { width: 48px; height: 48px; }
  .header-left .company-info h1 { font-size: 15px; }
  .header-left .company-info .en-name { display: none; }
  .header-right .hot-label { font-size: 12px; }
  .header-right .hot-phone { font-size: 20px; }
  .banner { height: 300px; }
  .keyword-bar .keywords { font-size: 12px; }
  .keyword-bar .keywords a { margin-right: 8px; }
  .product-card .p-name { font-size: 13px; padding: 10px; }
  .case-panel .case-text h3 { font-size: 17px; }
  .about-text p { font-size: 13px; }
  .news-list li { font-size: 12px; }
  .news-list li .date { font-size: 11px; }
  .contact-info .info-item { gap: 10px; }
  .contact-info .info-icon { width: 38px; height: 38px; font-size: 16px; }
  .contact-info .info-text h4 { font-size: 14px; }
  .contact-info .info-text p { font-size: 13px; }
  .faq-question { font-size: 14px; padding: 13px 15px; }
  .faq-item.open .faq-answer { padding: 0 15px 14px 38px; font-size: 13px; }
  .footer-bottom { font-size: 11px; }
  .map-container { height: 280px; }
  .page-content { padding: 15px; }
}

@media (max-width: 360px) {
  .banner { height: 280px; }
  .header-right .hot-phone { font-size: 18px; }
  .section-header h2 { font-size: 16px; }
}

/* ============================================================
   美化弹窗（Modal）
   ============================================================ */
.modal-mask { position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.5); z-index: 9999; display: none; align-items: center; justify-content: center; animation: fadeIn 0.2s ease; }
.modal-mask.show { display: flex; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { transform: translateY(30px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
.modal-box { background: #fff; border-radius: 8px; width: 400px; max-width: 90%; overflow: hidden; box-shadow: 0 10px 40px rgba(0,0,0,0.2); animation: slideUp 0.3s ease; }
.modal-header { padding: 16px 24px; background: #1a3a6c; color: #fff; font-size: 16px; font-weight: 600; display: flex; justify-content: space-between; align-items: center; }
.modal-header .modal-close { cursor: pointer; font-size: 20px; opacity: 0.8; transition: opacity 0.2s; line-height: 1; }
.modal-header .modal-close:hover { opacity: 1; }
.modal-body { padding: 30px 24px; text-align: center; }
.modal-icon { width: 60px; height: 60px; border-radius: 50%; margin: 0 auto 16px; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 30px; font-weight: 700; }
.modal-icon.success { background: #52c41a; }
.modal-icon.error { background: #ff4d4f; }
.modal-icon.warning { background: #faad14; }
.modal-title { font-size: 18px; color: #1a3a6c; font-weight: 700; margin-bottom: 10px; }
.modal-msg { font-size: 14px; color: #666; line-height: 1.8; }
.modal-footer { padding: 0 24px 24px; text-align: center; }
.modal-btn { display: inline-block; padding: 10px 36px; background: #c8102e; color: #fff; border: none; border-radius: 4px; font-size: 14px; cursor: pointer; transition: background 0.2s; text-decoration: none; }
.modal-btn:hover { background: #a00d24; }
.modal-btn.btn-default { background: #f0f0f0; color: #666; margin-right: 10px; }
.modal-btn.btn-default:hover { background: #e0e0e0; }

/* ============================================================
   荣誉资质页 / 关于我们页 通用样式
   ============================================================ */
.section-title { font-size: 24px; color: #1a3a6c; font-weight: 700; margin-bottom: 20px; padding-left: 12px; border-left: 4px solid #c8102e; }

/* 荣誉资质 */
.honor-intro { background: #fff; padding: 30px; margin-bottom: 25px; border-radius: 4px; }
.honor-desc { font-size: 14px; color: #666; line-height: 1.9; text-indent: 2em; }
.honor-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.honor-card { background: #fff; border: 1px solid #e8e8e8; border-radius: 4px; overflow: hidden; transition: box-shadow 0.2s, transform 0.2s; }
.honor-card:hover { box-shadow: 0 6px 20px rgba(0,0,0,0.1); transform: translateY(-3px); }
.honor-img { height: 200px; background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%); display: flex; align-items: center; justify-content: center; overflow: hidden; }
.honor-img img { max-width: 100%; max-height: 100%; object-fit: contain; transition: transform 0.3s; }
.honor-card:hover .honor-img img { transform: scale(1.05); }
.honor-placeholder { font-size: 56px; }
.honor-info { padding: 18px; }
.honor-info h3 { font-size: 16px; color: #1a3a6c; margin-bottom: 8px; font-weight: 600; line-height: 1.4; }
.honor-info p { font-size: 13px; color: #666; line-height: 1.7; }

/* 关于我们详情 */
.about-detail { display: flex; gap: 30px; background: #fff; padding: 30px; margin-bottom: 25px; border-radius: 4px; align-items: flex-start; }
.about-detail-img { width: 400px; flex-shrink: 0; height: 280px; overflow: hidden; border-radius: 4px; }
.about-detail-img img { width: 100%; height: 100%; object-fit: cover; }
.about-detail-text { flex: 1; }
.about-detail-text h2 { font-size: 26px; color: #1a3a6c; margin-bottom: 8px; font-weight: 700; }
.about-slogan { font-size: 16px; color: #c8102e; font-weight: 600; margin-bottom: 18px; letter-spacing: 2px; }
.about-content { font-size: 14px; color: #555; line-height: 1.9; }
.about-content p { margin-bottom: 12px; text-indent: 2em; }

/* 企业优势 */
.advantages-section { background: #fff; padding: 30px; margin-bottom: 25px; border-radius: 4px; }
.advantages-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.adv-card { text-align: center; padding: 25px 15px; background: #f8f9fa; border-radius: 4px; transition: all 0.2s; }
.adv-card:hover { background: #1a3a6c; }
.adv-card:hover h3, .adv-card:hover p { color: #fff; }
.adv-icon { font-size: 36px; margin-bottom: 12px; }
.adv-card h3 { font-size: 16px; color: #1a3a6c; margin-bottom: 8px; font-weight: 600; }
.adv-card p { font-size: 13px; color: #666; line-height: 1.7; }

/* 授权认证 */
.cert-section { background: #fff; padding: 30px; border-radius: 4px; }
.cert-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.cert-item { text-align: center; padding: 20px 15px; border: 1px solid #e8e8e8; border-radius: 4px; transition: all 0.2s; }
.cert-item:hover { border-color: #c8102e; box-shadow: 0 4px 12px rgba(200,16,46,0.1); }
.cert-img { font-size: 40px; margin-bottom: 12px; }
.cert-item p { font-size: 13px; color: #555; line-height: 1.7; }

/* 首页荣誉资质板块 */
.honor-section { padding: 50px 0; background: #fff; }
.honor-section .section-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 30px; }
.honor-section .section-header h2 { font-size: 26px; color: #1a3a6c; font-weight: 700; margin: 0; }
.honor-section .section-header h2 small { font-size: 14px; color: #999; font-weight: 400; margin-left: 10px; letter-spacing: 1px; }
.honor-section .section-header .more { color: #c8102e; font-size: 14px; text-decoration: none; }
.honor-section .section-header .more:hover { text-decoration: underline; }
.home-honor-grid { grid-template-columns: repeat(4, 1fr); }

/* ============================================================
   关于我们页面（左右栏布局）
   ============================================================ */
.about-sidebar { width: 240px; flex-shrink: 0; }
.about-side-title { background: #2a5298; color: #fff; text-align: center; padding: 16px 0; font-size: 18px; font-weight: 600; letter-spacing: 2px; }
.about-side-menu { background: #fff; border: 1px solid #e0e0e0; border-top: none; list-style: none; margin: 0; padding: 0; }
.about-side-menu li { border-bottom: 1px solid #eee; }
.about-side-menu li:last-child { border-bottom: none; }
.about-side-menu li a { display: block; padding: 14px 20px; font-size: 14px; color: #555; text-align: center; transition: all 0.2s; text-decoration: none; }
.about-side-menu li a:hover { color: #2a5298; background: #f0f5ff; }
.about-side-menu li a.active { color: #2a5298; background: #f0f5ff; font-weight: 600; }
.about-side-contact { background: #fff; border: 1px solid #e0e0e0; border-top: none; padding: 18px 15px; }
.about-side-contact p { font-size: 13px; color: #555; line-height: 1.8; margin-bottom: 4px; word-break: break-all; }
.about-side-contact p strong { color: #333; font-size: 14px; display: block; margin-bottom: 6px; }

.about-main { flex: 1; min-width: 0; background: #fff; padding: 25px 30px 35px; }
.about-main-head { display: flex; justify-content: space-between; align-items: flex-end; border-bottom: 2px solid #2a5298; padding-bottom: 12px; margin-bottom: 20px; }
.about-main-head h2 { font-size: 22px; color: #2a5298; font-weight: 700; margin: 0; }
.about-breadcrumb { font-size: 13px; color: #999; }
.about-breadcrumb a { color: #999; text-decoration: none; }
.about-breadcrumb a:hover { color: #2a5298; }
.about-banner { width: 100%; height: 300px; overflow: hidden; margin-bottom: 25px; border-radius: 4px; }
.about-banner img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.about-banner:hover img { transform: scale(1.03); }
.about-article { font-size: 15px; color: #444; line-height: 1.9; }
.about-article p { margin-bottom: 15px; text-indent: 2em; }
.about-article h3 { color: #2a5298; margin: 20px 0 10px; font-size: 18px; }
.about-article img { max-width: 100%; height: auto; border-radius: 4px; margin: 10px 0; }
.about-article ul, .about-article ol { margin: 10px 0 15px 30px; }
.about-article li { margin-bottom: 6px; }