/* =========================================================
   弘羊账ERP管理系统 文章中心样式
   ========================================================= */

:root {
  --primary: #2f6bff;
  --primary-dark: #1d4fd7;
  --primary-light: #eaf1ff;
  --dark: #111827;
  --gray: #6b7280;
  --bg-soft: #f6f8fc;
  --border: #e5e9f2;
}

body.blog-body {
  background: #fbfcfe;
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  color: #1f2937;
  line-height: 1.7;
  margin: 0;
  padding-top: 72px;
}
.blog-body * { box-sizing: border-box; }
.blog-body a { text-decoration: none; color: var(--primary); }
.blog-body img { max-width: 100%; display: block; }
.blog-body .container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ---------------- 顶部导航（复用主站风格） ---------------- */
.blog-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.blog-header .nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.blog-header .logo { display: flex; align-items: center; gap: 10px; }
.blog-header .logo img { width: 38px; height: 38px; }
.blog-header .logo-text { font-size: 22px; font-weight: 800; color: var(--dark); }
.blog-header .logo-sub {
  font-size: 13px; font-weight: 700;
  color: var(--primary); background: var(--primary-light);
  border-radius: 6px; padding: 2px 7px; margin-left: 4px;
}
.blog-header .nav { display: flex; gap: 30px; align-items: center; }
.blog-header .nav a {
  font-size: 15px; font-weight: 500; color: #4b5563;
  transition: color .2s;
}
.blog-header .nav a:hover, .blog-header .nav a.active { color: var(--primary); }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; font-weight: 600; border-radius: 10px;
  font-family: inherit; cursor: pointer; border: none;
  transition: all .25s ease; white-space: nowrap;
}
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 6px 18px rgba(47,107,255,.35); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); }
.btn-sm { padding: 8px 18px; font-size: 14px; }
.btn-lg { padding: 13px 26px; font-size: 15px; }

/* ---------------- 面包屑 ---------------- */
.breadcrumb {
  padding: 34px 0 10px;
  font-size: 14px;
  color: var(--gray);
}
.breadcrumb a { color: var(--gray); }
.breadcrumb a:hover { color: var(--primary); }

/* ---------------- 文章列表页 ---------------- */
.blog-list-head { padding: 20px 0 30px; }
.blog-list-head h1 { font-size: 32px; font-weight: 800; color: var(--dark); margin: 0 0 10px; }
.blog-list-head p { color: var(--gray); margin: 0; }

.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; padding-bottom: 70px; }
.blog-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .3s, box-shadow .3s;
}
.blog-card:hover { transform: translateY(-5px); box-shadow: 0 14px 34px rgba(17,24,39,.09); }
.blog-card .cover { overflow: hidden; }
.blog-card .cover img {
  width: 100%; aspect-ratio: 16 / 9; object-fit: cover;
  transition: transform .5s;
}
.blog-card:hover .cover img { transform: scale(1.05); }
.blog-card .body { padding: 20px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.blog-card .tag {
  align-self: flex-start;
  font-size: 12.5px; font-weight: 600;
  color: var(--primary); background: var(--primary-light);
  padding: 4px 12px; border-radius: 100px;
  margin-bottom: 12px;
}
.blog-card h3 { font-size: 18px; font-weight: 700; color: var(--dark); line-height: 1.5; margin: 0 0 10px; }
.blog-card h3 a { color: inherit; }
.blog-card h3 a:hover { color: var(--primary); }
.blog-card .desc { font-size: 14px; color: var(--gray); margin: 0 0 16px; flex: 1; }
.blog-card .meta { font-size: 13px; color: #9ca3af; display: flex; gap: 16px; }

/* ---------------- 文章详情页 ---------------- */
.article-wrap { max-width: 860px; margin: 0 auto; padding-bottom: 70px; }
.article-head { padding: 10px 0 26px; }
.article-head .tag {
  display: inline-block;
  font-size: 13px; font-weight: 600;
  color: var(--primary); background: var(--primary-light);
  padding: 5px 14px; border-radius: 100px; margin-bottom: 16px;
}
.article-head h1 { font-size: 32px; font-weight: 800; color: var(--dark); line-height: 1.4; margin: 0 0 16px; }
.article-meta { display: flex; flex-wrap: wrap; gap: 18px; font-size: 14px; color: var(--gray); }
.article-meta svg { vertical-align: -3px; margin-right: 5px; }
.article-cover {
  border-radius: 16px; overflow: hidden;
  margin-bottom: 34px;
}
.article-cover img { width: 100%; aspect-ratio: 21 / 9; object-fit: cover; }

.article-content { font-size: 16px; color: #374151; }
.article-content h2 {
  font-size: 24px; font-weight: 800; color: var(--dark);
  margin: 40px 0 16px; padding-left: 14px;
  border-left: 4px solid var(--primary);
}
.article-content h3 { font-size: 19px; font-weight: 700; color: var(--dark); margin: 30px 0 12px; }
.article-content p { margin: 0 0 18px; }
.article-content ul, .article-content ol { margin: 0 0 20px; padding-left: 24px; }
.article-content li { margin-bottom: 8px; }
.article-content strong { color: var(--dark); }
.article-content blockquote {
  background: var(--primary-light);
  border-left: 4px solid var(--primary);
  border-radius: 0 10px 10px 0;
  padding: 14px 18px;
  margin: 0 0 20px;
  color: #334155;
  font-size: 15px;
}
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 22px;
  font-size: 14.5px;
}
.article-content th, .article-content td {
  border: 1px solid var(--border);
  padding: 10px 14px;
  text-align: left;
}
.article-content th { background: var(--bg-soft); color: var(--dark); font-weight: 600; }
.article-content tr:nth-child(even) td { background: #fafbfe; }

/* 文章内 CTA 引导块 */
.article-cta {
  margin: 40px 0;
  background: linear-gradient(120deg, #2f6bff, #1d4fd7);
  border-radius: 16px;
  padding: 30px 34px;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.article-cta h4 { margin: 0 0 6px; font-size: 19px; font-weight: 700; }
.article-cta p { margin: 0; font-size: 14px; opacity: .92; }
.article-cta .btn { background: #fff; color: var(--primary); font-weight: 700; }
.article-cta .btn:hover { transform: translateY(-2px); }

/* 相关文章 */
.related {
  margin-top: 48px;
  border-top: 1px solid var(--border);
  padding-top: 26px;
}
.related h3 { font-size: 17px; font-weight: 700; color: var(--dark); margin: 0 0 14px; }
.related-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 24px; }
.related-list a {
  font-size: 14.5px; color: #4b5563;
  padding: 10px 14px;
  background: #fff; border: 1px solid var(--border);
  border-radius: 10px;
  transition: all .2s;
}
.related-list a:hover { color: var(--primary); border-color: rgba(47,107,255,.4); }
.related-list .arrow { float: right; color: #c4cad5; }

/* ---------------- 页脚 ---------------- */
.blog-footer { background: #0f172a; color: #cbd5e1; padding: 28px 0; text-align: center; }
.blog-footer p { font-size: 13px; color: #64748b; margin: 0; }
.blog-footer a { color: #94a3b8; }
.blog-footer a:hover { color: var(--primary); }

/* ---------------- 响应式 ---------------- */
@media (max-width: 1024px) {
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .blog-grid { grid-template-columns: 1fr; }
  .blog-header .nav { gap: 16px; }
  .blog-header .nav a { font-size: 14px; }
  .article-head h1 { font-size: 25px; }
  .article-content h2 { font-size: 21px; }
  .related-list { grid-template-columns: 1fr; }
  .blog-header .nav-download { display: none; }
}