/* runhuayou68.com - 工业润滑油SEO站 */
/* 字号/配色参照 www.gzxcn.cn */

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: "Microsoft YaHei", "PingFang SC", sans-serif; color: #333; background: #f5f5f5; line-height: 1.6; }
a { text-decoration: none; color: #000; }
a:hover { color: #e00012; }
img { border: 0; }
li { list-style-type: none; }
.fl { float: left; }
.fr { float: right; }
.wd1 { width: 100%; }
.container { width: 1200px; margin: 0 auto; display: block; }

/* ========== 顶部条 - 参照gzxcn: 红线顶+浅粉底28px高 ========== */
.header-top { border-top: 2px solid #e00012; background-color: #fff8f9; line-height: 28px; height: 30px; font-size: 14px; color: #000; }
.header-top .container { overflow: hidden; }
.header-links { color: #999; }
.header-links a { color: #000; }

/* ========== Logo+电话区 ========== */
.header-main { background: #fff; height: 110px; }
.header-main .container { overflow: hidden; }
.logo { display: inline-block; margin-top: 20px; }
.logo-img { height: 60px; width: auto; }
.header-phone { margin-top: 32px; }
.header-phone a { font-size: 30px; font-weight: bold; color: #666; }

/* ========== 导航 ========== */
.nav { background: linear-gradient(135deg, #8b1a1a, #a01020, #8b1a1a); position: relative; z-index: 999; clear: both; }
.nav .container { overflow: hidden; }
.nav_pc { width: 100%; overflow: hidden; }
.nav_pc li { height: 52px; text-align: center; float: left; }
/* 第一行4个 */
.nav_pc:first-child li { width: 25%; }
/* 第二行3个 */
.nav_pc:last-child li { width: 33.333%; }
.nav_pc li a { display: block; width: 100%; height: 52px; }
.nav_pc li a h2 { font-size: 20px; color: #fff; font-weight: 500; line-height: 56px; height: 52px; }
.nav_pc li.active { background: rgba(255,255,255,0.92); }
.nav_pc li.active a h2 { color: #b70101; font-weight: 550; }
.nav_pc li:hover { background: rgba(255,255,255,0.92); }
.nav_pc li:hover a h2 { color: #b70101; }

/* ========== Banner ========== */
.banner { background: linear-gradient(135deg, #1a5276, #2e86c1); color: #fff; padding: 50px 0; text-align: center; margin-top: 0; }
.banner h1 { font-size: 28px; margin-bottom: 12px; font-weight: 580; }
.banner p { font-size: 16px; margin-bottom: 8px; }
.banner a { color: #f9e79f; }

/* ========== 公司简介 - 参照gzxcn: 标题22px描述14px ========== */
.intro { background: #fff; padding: 30px 0; margin-top: 40px; }
.intro h2 { color: #000; margin-bottom: 10px; font-size: 22px; font-weight: 580; }
.intro p { color: #666; font-size: 14px; line-height: 1.8; }

/* ========== 板块标题 - 参照gzxcn: 20px+红竖线+底边线 ========== */
.section-title { border-bottom: 1px solid #333; height: 38px; line-height: 38px; display: flex; align-items: center; justify-content: space-between; margin-bottom: 0; }
.section-title span { font-size: 20px; font-weight: 580; color: #000; }
.section-title-left { display: flex; align-items: center; }
.section-title-left .red-bar { width: 4px; height: 21px; background: #e00012; border-radius: 25px; margin-right: 12px; }
.section-title-right { font-size: 14px; color: #999; }
.section-title-right a { color: #999; font-size: 14px; }

/* ========== 关键词板块 - 参照gzxcn qy4/qy5/qqy6 ========== */
.keywords-section { background: #fff; border-top: 1px solid #d6d6d6; padding: 5px 0; }
.keyword-links { line-height: 1.6; }
.keyword-links a { font-size: 12px; color: #000; }
.keyword-links a:hover { color: #e00012; }

/* 行业板块字更小 - 参照gzxcn qy5 */
.industry-links a { font-size: 10px; }
/* 品牌板块字更小 - 参照gzxcn qy6 */
.brand-links a { font-size: 10px; }

/* ========== 全国城市 - 参照gzxcn qy1_t红底标签+城市名 ========== */
.region-section { background: #fff; border-top: 1px solid #d6d6d6; padding: 5px 0; }
.region-group { display: flex; padding: 4px 0; border-bottom: 1px solid #d6d6d6; align-items: flex-start; }
.region-group:nth-child(even) { background: #f9f9f9; }
.region-province { flex-shrink: 0; margin-right: 8px; padding: 2px 0; }
.region-province a { display: inline-block; font-size: 16px; text-align: center; line-height: 28px; border-radius: 10px; padding: 0 10px; color: #fff; background: #e00012; }
.region-province a:hover { background: #b70101; color: #fff; }
.region-cities { flex: 1; line-height: 1.6; padding: 4px 0; }
.region-cities a { font-size: 12px; color: #000; }
.region-cities a:hover { color: #e00012; }
.district-link { font-size: 11px !important; color: #666 !important; }
.district-link:hover { color: #e00012 !important; }

/* 城市产品组合 - 10px */
.combo-section { background: #fff; border-top: 1px solid #d6d6d6; padding: 5px 0; }
.combo-links a { font-size: 10px; color: #000; }
.combo-links a:hover { color: #e00012; }

/* ========== 新闻列表 - 参照gzxcn: gsdt 14px虚线底 ========== */
.news-section { background: #fff; margin-top: 40px; padding: 0 0 15px; }
.news-item { display: block; height: 34px; line-height: 34px; border-bottom: 1px dashed #999; overflow: hidden; }
.news-item::before { content: "■"; color: #e00012; font-size: 10px; margin-right: 6px; list-style-position: inside; }
.news-title { font-size: 14px; color: #000; }
.news-date { font-size: 13px; color: #666; float: right; margin-right: 8px; }
.empty-tip { color: #999; text-align: center; padding: 30px; font-size: 14px; }

/* ========== 面包屑 - 参照gzxcn: cont_nav 18px ========== */
.breadcrumb { background: #fff; font-size: 18px; color: #999; height: 54px; line-height: 54px; border-bottom: 2px solid #e00012; }
.breadcrumb a { color: #999; font-size: 18px; }
.breadcrumb a:hover { color: #e00012; }

/* ========== 内容页通用 ========== */
.keyword-page, .region-page, .combo-page, .about-page, .contact-page, .article-page, .news-page { background: #fff; padding: 20px; min-height: 400px; }

/* 内容页标题 - 参照gzxcn: cntrc_t 28px居中 */
.keyword-page h1, .region-page h1, .combo-page h1 { font-size: 28px; color: #444; text-align: center; margin: 20px 0; }
.keyword-desc, .region-desc, .combo-desc { color: #666; margin-bottom: 20px; font-size: 15px; text-align: center; }

/* 内容页子标题 - 参照gzxcn: cntlst_line 21px红竖线 */
.combo-links h3, .combo-section h3, .city-list h3, .article-list h3, .related-articles h3 { font-size: 21px; padding-left: 14px; border-left: 2px solid #e00012; height: 24px; line-height: 24px; margin: 20px 0 15px; }

/* 城市产品链接 */
.city-products { padding: 4px 0; line-height: 1.6; border-bottom: 1px dashed #eee; }
.city-label { font-weight: bold; font-size: 14px; }
.city-label a { color: #e00012; }
.city-prod-links a { font-size: 12px; margin-right: 2px; }

/* ========== 文章详情 - 参照gzxcn ========== */
.article-content { max-width: 900px; margin: 0 auto; }
.article-content h1 { font-size: 28px; text-align: center; color: #444; margin: 20px 0; }
.article-meta { color: #999; font-size: 16px; text-align: center; margin-bottom: 20px; padding-bottom: 10px; border-bottom: 2px solid #e00012; }
.article-meta time { color: #666; }
.article-body { line-height: 1.8; font-size: 15px; }
.article-body p { margin-bottom: 12px; }
.article-body h3 { font-size: 18px; margin: 15px 0 8px; color: #333; border-left: 3px solid #e00012; padding-left: 10px; }
.article-tags { margin-top: 20px; padding-top: 15px; border-top: 1px solid #eee; font-size: 14px; }
.article-tags span { display: inline-block; padding: 2px 10px; margin: 3px; background: #f8f8f8; border: 1px dashed #d2d2d2; border-radius: 3px; font-size: 14px; }

/* 文章列表项 - 参照gzxcn: 高48px虚线底红色方块 */
.article-item { display: block; height: 48px; line-height: 48px; border-bottom: 1px solid #ddd; overflow: hidden; }
.article-item::before { content: "■"; color: #e00012; font-size: 10px; margin-right: 6px; }
.article-title { font-size: 14px; color: #000; }
.article-date { font-size: 13px; color: #666; float: right; margin-right: 8px; }

/* 相关文章 - 参照gzxcn xg */
.related-articles { margin-top: 30px; padding-top: 20px; border-top: 1px solid #e00012; }
.related-articles h3 { font-size: 18px; margin-bottom: 10px; border-left: none; padding-left: 0; border-bottom: 1px solid #e00012; padding-bottom: 5px; }

/* 静态内容 */
.static-content { padding: 20px; background: #f8f8f8; border: 1px dashed #d2d2d2; border-radius: 10px; line-height: 1.8; font-size: 15px; }
.static-content p { margin-bottom: 10px; }
.static-content h3 { font-size: 18px; margin: 15px 0 8px; border-left: 3px solid #e00012; padding-left: 10px; }

/* 关于我们 */
.about-content h2 { color: #000; margin: 15px 0 10px; font-size: 22px; }
.about-content h3 { color: #333; margin: 15px 0 8px; font-size: 18px; }
.about-content ul { padding-left: 20px; }
.about-content li { margin-bottom: 5px; font-size: 14px; list-style: square; list-style-position: inside; }
.about-content li::marker { color: #e00012; }

/* 联系我们 */
.contact-info { display: flex; flex-wrap: wrap; gap: 20px; }
.contact-item { flex: 1; min-width: 250px; background: #f8f8f8; padding: 20px; border-radius: 10px; }
.contact-item h3 { color: #333; margin-bottom: 8px; font-size: 21px; padding-left: 14px; border-left: 2px solid #999; height: 24px; line-height: 24px; }
.contact-item p { font-size: 15px; margin-top: 8px; }
.contact-item a { color: #666; font-size: 22px; font-weight: bold; }

/* 分页 */
.pagination { text-align: center; margin-top: 20px; }
.pagination a { display: inline-block; padding: 5px 12px; margin: 0 3px; border: 1px solid #ddd; border-radius: 3px; font-size: 14px; color: #333; }
.pagination a.active { background: #e00012; color: #fff; border-color: #e00012; }

/* ========== 友情链接栏 - 参照gzxcn ft_t ========== */
.friend-bar { background: #e00012; height: 48px; margin-top: 40px; line-height: 48px; }
.friend-title { margin-left: 12px; margin-right: 22px; color: #fff; font-size: 15px; font-weight: 580; }

/* ========== 底部 - 参照gzxcn: 深色背景271a1a ========== */
.footer { background: #271a1a; padding: 10px 0 40px; }
.footer-nav { text-align: center; margin: 10px 0 24px; line-height: 30px; }
.footer-nav a { color: #fff; font-size: 15px; }
.footer-con { overflow: hidden; }
.footer-info { width: 100%; }
.footer-info-line { font-size: 15px; color: #fff; height: 18px; line-height: 18px; margin-top: 8px; overflow: hidden; }
.footer-info a { color: #fff; }
.footer-info a:hover { color: #f9e79f; }

/* ========== 手机浮动电话 ========== */
.phone-float { display: none; position: fixed; bottom: 0; left: 0; right: 0; background: #e00012; text-align: center; z-index: 999; }
.phone-float a { color: #fff; font-size: 16px; font-weight: bold; display: block; padding: 10px 0; }

/* ========== 手机端 - 参照gzxcn @media(max-width:766px) ========== */
@media (max-width: 766px) {
  .container { width: 100%; padding: 0 20px; overflow: hidden; }
  .header-top { display: none; }
  .header-main { height: auto; padding: 10px 0; }
  .header-main .container { display: flex; justify-content: space-between; align-items: center; }
  .logo { margin-top: 10px; }
  .logo-img { height: 40px; }
  .header-phone { margin-top: 0; }
  .header-phone a { font-size: 20px; }
  .nav { height: auto; background: #e60014; }
  .nav .container { padding: 0 !important; }
  .nav_pc { width: 100%; overflow: hidden; display: block; }
  /* 第一行4个 */
  .nav_pc:first-child li { width: 25%; }
  /* 第二行3个 */
  .nav_pc:last-child li { width: 33.333%; }
  .nav_pc li { height: 40px; float: left; display: block; }
  .nav_pc li a { height: 40px; display: block; }
  .nav_pc li a h2 { font-size: 14px; line-height: 42px; height: 40px; white-space: nowrap; }
  .nav_pc li:hover, .nav_pc li.active { background: none; }
  .nav_pc li:hover a h2, .nav_pc li.active a h2 { color: #fff; font-weight: 550; }
  .banner { padding: 30px 0; }
  .banner h1 { font-size: 20px; }
  .banner p { font-size: 14px; }
  .region-group { flex-direction: column; }
  .region-province { width: auto; margin-bottom: 5px; }
  .region-province a { font-size: 12px; line-height: 20px; padding: 0 6px; }
  .phone-float { display: block; }
  .keyword-links a { font-size: 12px; }
  .industry-links a, .brand-links a { font-size: 10px; }
  .combo-links a { font-size: 10px; }
  .footer-nav a { font-size: 14px; }
  .footer-info-line { font-size: 14px; }
  .contact-info { flex-direction: column; }
  .breadcrumb { font-size: 14px; height: 40px; line-height: 40px; }
  .breadcrumb a { font-size: 14px; }
  .keyword-page h1, .region-page h1, .combo-page h1 { font-size: 22px; }
  .article-content h1 { font-size: 22px; }
  .friend-bar { display: none; }
}