/* ============================================================
   B2B 企业黄页 默认主题 (default) 主样式
   ============================================================ */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --c-primary: #0d43c8;
  --c-primary-dark: #0931a0;
  --c-text: #23272e;
  --c-text-2: #5b6472;
  --c-text-3: #8a93a3;
  --c-border: #e7eaf0;
  --c-bg: #f5f7fa;
  --c-bg-hover: #eef3ff;
  --c-surface: #ffffff;
  --c-footer-bg: #23272e;
  --c-footer-border: #333945;
  --c-footer-text: #9aa3b2;
  --c-footer-title: #dfe4ec;
  --c-footer-bottom: #6b7486;
  --radius: 8px;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--c-text);
  background: var(--c-bg);
  font-size: 14px;
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
a:hover { color: var(--c-primary); }
img { max-width: 100%; display: block; }
ul { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 16px; }

/* ---------- 头部 ---------- */
.site-header { background: var(--c-surface); border-bottom: 1px solid var(--c-border); }
.header-top { display: flex; align-items: center; gap: 32px; padding: 14px 0; }
.logo { display: flex; align-items: center; gap: 10px; font-size: 22px; font-weight: 700; color: var(--c-primary); white-space: nowrap; }
.logo img { height: 34px; }
.header-search { flex: 1; display: flex; max-width: 560px; }
.header-search input {
  flex: 1; height: 40px; border: 2px solid var(--c-primary); background: var(--c-surface);
  border-right: none; border-radius: var(--radius) 0 0 var(--radius);
  padding: 0 14px; font-size: 14px; outline: none; color: var(--c-text);
}
.header-search button {
  width: 92px; height: 40px; background: var(--c-primary); color: #fff;
  border: none; border-radius: 0 var(--radius) var(--radius) 0;
  cursor: pointer; font-size: 14px;
}
.header-search button:hover { background: var(--c-primary-dark); }
.header-tip { color: var(--c-text-3); font-size: 12px; white-space: nowrap; }
.main-nav { display: flex; gap: 8px; }
.main-nav a {
  padding: 10px 18px; font-size: 15px; color: var(--c-text);
  border-bottom: 2px solid transparent;
}
.main-nav a:hover, .main-nav a.active { color: var(--c-primary); border-bottom-color: var(--c-primary); font-weight: 600; }

/* ---------- 面包屑 ---------- */
.breadcrumb { padding: 12px 0; color: var(--c-text-3); font-size: 13px; }
.breadcrumb a { color: var(--c-text-3); }
.breadcrumb a:hover { color: var(--c-primary); }
.breadcrumb span.sep { margin: 0 6px; }

/* ---------- 页面布局 ---------- */
.page-body { display: flex; gap: 16px; align-items: flex-start; padding-bottom: 32px; }
.main-col { flex: 1; min-width: 0; }
.side-col { width: 300px; flex-shrink: 0; }
.panel { background: var(--c-surface); border-radius: var(--radius); border: 1px solid var(--c-border); margin-bottom: 16px; }
.panel-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 18px; border-bottom: 1px solid var(--c-border);
}
.panel-title { font-size: 17px; font-weight: 700; position: relative; padding-left: 12px; }
.panel-title::before {
  content: ""; position: absolute; left: 0; top: 4px; bottom: 4px;
  width: 4px; border-radius: 2px; background: var(--c-primary);
}
.panel-more { font-size: 13px; color: var(--c-text-3); }
.panel-body { padding: 16px 18px; }

/* ---------- 企业卡片 ---------- */
.company-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.company-card {
  display: flex; gap: 12px; background: var(--c-surface); border: 1px solid var(--c-border);
  border-radius: var(--radius); padding: 14px; transition: all .2s;
}
.company-card:hover { border-color: var(--c-primary); box-shadow: 0 4px 16px rgba(30,94,255,.08); }
.company-card .logo { width: 64px; height: 64px; border-radius: 6px; background: var(--c-bg); object-fit: contain; flex-shrink: 0; padding: 4px; border: 1px solid var(--c-border); }
.company-card .info { flex: 1; min-width: 0; }
.company-card h3 { font-size: 15px; margin-bottom: 4px; }
.company-card h3 a { display: inline-block; max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.company-card p { color: var(--c-text-2); font-size: 13px; margin-bottom: 2px; overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.card-meta { display: flex; gap: 10px; color: var(--c-text-3); font-size: 12px; margin-top: 6px; flex-wrap: wrap; }
.tag { display: inline-block; padding: 1px 8px; background: var(--c-bg-hover); color: var(--c-primary); border-radius: 4px; font-size: 12px; margin-right: 6px; margin-bottom: 4px; }
.tag.hot { background: #fff3ec; color: #ff6d2e; }

/* ---------- 文章列表 ---------- */
.article-list li { display: flex; gap: 14px; padding: 14px 0; border-bottom: 1px dashed var(--c-border); }
.article-list li:last-child { border-bottom: none; }
.article-list .thumb { width: 140px; height: 88px; object-fit: cover; border-radius: 6px; flex-shrink: 0; background: var(--c-bg); }
.article-list .a-info { flex: 1; min-width: 0; }
.article-list h3 { font-size: 15px; margin-bottom: 6px; }
.article-list h3 a { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; display: inline-block; max-width: 100%; }
.article-list p { color: var(--c-text-2); font-size: 13px; overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.a-meta { display: flex; gap: 14px; color: var(--c-text-3); font-size: 12px; margin-top: 6px; flex-wrap: wrap; }

/* 简洁文章行（侧栏/最新块） */
.simple-list li { padding: 8px 0; border-bottom: 1px dashed var(--c-border); display: flex; justify-content: space-between; gap: 12px; }
.simple-list li:last-child { border-bottom: none; }
.simple-list a { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.simple-list time { color: var(--c-text-3); font-size: 12px; white-space: nowrap; }

/* ---------- 城市入口 ---------- */
.city-cloud { display: flex; flex-wrap: wrap; gap: 10px; }
.city-cloud a {
  padding: 6px 16px; background: var(--c-bg); border-radius: 20px;
  color: var(--c-text-2); font-size: 14px;
}
.city-cloud a:hover { background: var(--c-primary); color: #fff; }

/* ---------- 筛选条 ---------- */
.filter-bar { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); padding: 12px 18px; margin-bottom: 16px; font-size: 14px; }
.filter-row { display: flex; gap: 8px; align-items: baseline; padding: 4px 0; flex-wrap: wrap; }
.filter-label { color: var(--c-text-3); flex-shrink: 0; }
.filter-row a { padding: 2px 12px; border-radius: 4px; color: var(--c-text-2); }
.filter-row a.active, .filter-row a:hover { background: var(--c-primary); color: #fff; }

/* ---------- 排序条 ---------- */
.sort-bar { display: flex; gap: 8px; background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); padding: 10px 18px; margin-bottom: 16px; }
.sort-bar a { padding: 3px 14px; border-radius: 4px; color: var(--c-text-2); }
.sort-bar a.active { background: var(--c-primary); color: #fff; }

/* ---------- 分页 ---------- */
.pagination { display: flex; gap: 8px; justify-content: center; padding: 24px 0; flex-wrap: wrap; }
.pagination a, .pagination span {
  min-width: 36px; height: 36px; padding: 0 10px; display: inline-flex;
  align-items: center; justify-content: center; background: var(--c-surface);
  border: 1px solid var(--c-border); border-radius: 6px; color: var(--c-text-2); font-size: 13px;
}
.pagination .current { background: var(--c-primary); border-color: var(--c-primary); color: #fff; }
.pagination a:hover { border-color: var(--c-primary); color: var(--c-primary); }
.pagination .disabled { color: #c0c6d1; cursor: not-allowed; }

/* ---------- 企业详情 ---------- */
.company-hero { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); padding: 24px; display: flex; gap: 20px; margin-bottom: 16px; }
.company-hero .logo { width: 96px; height: 96px; border-radius: 10px; border: 1px solid var(--c-border); object-fit: contain; background: var(--c-bg); padding: 8px; flex-shrink: 0; }
.company-hero h1 { font-size: 22px; margin-bottom: 6px; }
.hero-meta { display: flex; gap: 20px; color: var(--c-text-2); font-size: 13px; flex-wrap: wrap; }
.hero-tags { margin-top: 10px; }
.info-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.info-table th { width: 100px; text-align: right; color: var(--c-text-3); font-weight: normal; padding: 8px 12px; vertical-align: top; white-space: nowrap; }
.info-table td { padding: 8px 12px; color: var(--c-text); }
.contact-box { padding: 16px 18px; }
.contact-box li { display: flex; gap: 8px; padding: 6px 0; color: var(--c-text-2); font-size: 13px; }
.contact-box .k { color: var(--c-text-3); flex-shrink: 0; }

/* ---------- FAQ ---------- */
.faq-item { border-bottom: 1px dashed var(--c-border); padding: 14px 0; }
.faq-item:last-child { border-bottom: none; }
.faq-q { font-weight: 600; font-size: 15px; margin-bottom: 6px; }
.faq-q::before { content: "Q"; color: #fff; background: var(--c-primary); display: inline-block; width: 20px; height: 20px; line-height: 20px; text-align: center; border-radius: 4px; font-size: 13px; margin-right: 8px; }
.faq-a { color: var(--c-text-2); font-size: 14px; padding-left: 28px; }

/* ---------- 产品 ---------- */
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.product-card { border: 1px solid var(--c-border); border-radius: 6px; overflow: hidden; }
.product-card img { width: 100%; height: 130px; object-fit: cover; background: var(--c-bg); }
.product-card .p-name { padding: 8px 10px; font-size: 13px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.product-card .p-intro { padding: 0 10px 10px; font-size: 12px; color: var(--c-text-3); overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }

/* ---------- 文章详情 ---------- */
.article-page { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); padding: 28px 32px; }
.article-page h1 { font-size: 24px; line-height: 1.4; margin-bottom: 12px; }
.article-subtitle { color: var(--c-text-3); font-size: 15px; margin-bottom: 14px; }
.article-meta { display: flex; gap: 18px; color: var(--c-text-3); font-size: 13px; padding-bottom: 16px; border-bottom: 1px solid var(--c-border); margin-bottom: 20px; flex-wrap: wrap; }
.article-content { font-size: 15px; color: var(--c-text); line-height: 1.9; word-break: break-word; }
.article-content h2 { font-size: 19px; margin: 26px 0 12px; padding-left: 10px; border-left: 4px solid var(--c-primary); }
.article-content h3 { font-size: 16px; margin: 20px 0 10px; }
.article-content p { margin-bottom: 14px; }
.article-content img { margin: 14px auto; border-radius: 6px; }
.article-content table { width: 100%; border-collapse: collapse; margin: 14px 0; }
.article-content table th, .article-content table td { border: 1px solid var(--c-border); padding: 8px 12px; font-size: 14px; }
.article-content table th { background: var(--c-bg); }
.article-content ul { padding-left: 22px; list-style: disc; margin-bottom: 14px; }
.article-content blockquote { border-left: 4px solid var(--c-border); background: var(--c-bg); padding: 10px 16px; color: var(--c-text-2); margin-bottom: 14px; }
.publisher-box { display: flex; gap: 14px; align-items: center; background: var(--c-bg); border-radius: var(--radius); padding: 16px 20px; margin: 26px 0 0; }
.publisher-box img { width: 56px; height: 56px; border-radius: 8px; object-fit: contain; background: var(--c-surface); border: 1px solid var(--c-border); padding: 4px; }
.publisher-box .p-name { font-weight: 700; font-size: 15px; margin-bottom: 2px; }
.publisher-box .p-desc { color: var(--c-text-2); font-size: 13px; }
.publisher-box .btn-view { margin-left: auto; flex-shrink: 0; background: var(--c-primary); color: #fff; padding: 8px 18px; border-radius: 6px; font-size: 13px; }
.publisher-box .btn-view:hover { background: var(--c-primary-dark); color: #fff; }

/* ---------- 表单 ---------- */
.form-item { margin-bottom: 16px; }
.form-item label { display: block; font-size: 14px; margin-bottom: 6px; color: var(--c-text-2); }
.form-item label b { color: #e5484d; margin-right: 2px; }
.form-item input, .form-item textarea {
  width: 100%; border: 1px solid var(--c-border); border-radius: 6px; background: var(--c-surface);
  padding: 9px 12px; font-size: 14px; outline: none; font-family: inherit; color: var(--c-text);
}
.form-item input:focus, .form-item textarea:focus { border-color: var(--c-primary); }
.btn-primary { background: var(--c-primary); color: #fff; border: none; border-radius: 6px; padding: 10px 32px; font-size: 14px; cursor: pointer; }
.btn-primary:hover { background: var(--c-primary-dark); }

/* ---------- 单页 ---------- */
.static-page { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); padding: 32px 36px; }
.static-page h1 { font-size: 22px; margin-bottom: 18px; }
.static-page h2 { font-size: 17px; margin: 22px 0 10px; }
.static-page p { color: var(--c-text-2); margin-bottom: 12px; }

/* ---------- 404 ---------- */
.error-page { text-align: center; padding: 100px 0 140px; }
.error-page .code { font-size: 90px; font-weight: 800; color: var(--c-primary); }
.error-page p { color: var(--c-text-3); margin: 12px 0 24px; }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--c-footer-bg); color: var(--c-footer-text); margin-top: 32px; padding: 36px 0 0; font-size: 13px; }
.footer-grid { display: flex; gap: 60px; padding-bottom: 28px; flex-wrap: wrap; }
.footer-grid h4 { color: var(--c-footer-title); font-size: 15px; margin-bottom: 12px; }
.footer-grid a { display: block; padding: 3px 0; color: var(--c-footer-text); }
.footer-grid a:hover { color: #fff; }
.friend-links { border-top: 1px solid var(--c-footer-border); padding: 14px 0; }
.friend-links a { color: var(--c-footer-text); margin-right: 16px; }
.friend-links a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid var(--c-footer-border); padding: 14px 0; text-align: center; }
.footer-bottom, .footer-bottom a { color: var(--c-footer-bottom); }

/* ---------- 响应式 ---------- */
@media (max-width: 920px) {
  .header-top { flex-wrap: wrap; gap: 12px; }
  .header-tip { display: none; }
  .main-nav { overflow-x: auto; }
  .main-nav a { white-space: nowrap; padding: 10px 12px; }
  .page-body { flex-direction: column; }
  .side-col { width: auto; }
  .company-grid { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { gap: 24px; }
  .sort-bar { flex-wrap: wrap; }
}
@media (max-width: 560px) {
  .company-hero { flex-direction: column; }
  .product-grid { grid-template-columns: 1fr; }
  .article-list .thumb { width: 104px; height: 70px; }
  .article-page { padding: 20px 18px; }
  .static-page { padding: 22px 18px; }
}