/* szcfwood-rebuild-poc 演示站样式：工业风、简洁、移动端优先 */
:root {
  --primary: #1a5c3a;
  --primary-dark: #14482d;
  --accent: #d97706;
  --text: #1f2937;
  --muted: #6b7280;
  --bg: #ffffff;
  --bg-soft: #f3f6f4;
  --border: #e5e7eb;
  --radius: 8px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif; color: var(--text); line-height: 1.7; background: var(--bg); }
.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* 演示声明横幅 */
.demo-banner { background: #fef3c7; color: #92400e; text-align: center; font-size: 13px; padding: 6px 12px; }

/* 页头 */
.site-header { border-bottom: 1px solid var(--border); background: var(--bg); position: sticky; top: 0; z-index: 10; }
.site-header .container { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px; padding: 10px 20px; }
.brand-cn { font-size: 20px; font-weight: 700; color: var(--primary-dark); display: block; }
.brand-en { font-size: 11px; color: var(--muted); display: block; }
.main-nav { display: flex; gap: 14px; flex-wrap: wrap; font-size: 14px; }
.main-nav a { color: var(--text); padding: 4px 2px; }
.main-nav a:hover { color: var(--primary); }
.main-nav a[aria-current="page"] { color: var(--primary); font-weight: 700; border-bottom: 2px solid var(--primary); }
.main-nav .nav-en { color: var(--muted); }

main { min-height: 60vh; }

/* Hero */
.hero { background: linear-gradient(135deg, var(--primary-dark), var(--primary)); color: #fff; padding: 56px 0; }
.hero h1 { font-size: 32px; margin-bottom: 12px; line-height: 1.4; }
.hero p { font-size: 16px; opacity: 0.92; max-width: 720px; }
.hero .hero-meta { margin-top: 16px; display: flex; gap: 24px; flex-wrap: wrap; font-size: 14px; }
.hero .hero-meta b { font-size: 20px; display: block; }

/* 区块 */
.section { padding: 40px 0; }
.section-alt { background: var(--bg-soft); }
.section h2, .section h1 { font-size: 24px; color: var(--primary-dark); margin-bottom: 20px; }
.section h3 { font-size: 18px; margin: 16px 0 8px; }
.section p { margin-bottom: 10px; }
.section ul, .section ol { padding-left: 22px; margin-bottom: 12px; }

/* 卡片网格 */
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.card { border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; background: var(--bg); }
.card h3 { margin-top: 0; }
.card p { font-size: 14px; color: var(--muted); }

/* 产品图片占位（演示：用文字 alt 展示替代真实图片） */
.product-figure { margin: 12px 0; }
.product-figure img { width: 100%; max-width: 480px; border: 1px solid var(--border); border-radius: var(--radius); background: #eef1ee; display: block; }
.product-figure figcaption { font-size: 12px; color: var(--muted); margin-top: 4px; }

/* 规格表 */
.spec-table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 14px; }
.spec-table th, .spec-table td { border: 1px solid var(--border); padding: 10px 12px; text-align: left; }
.spec-table th { background: var(--bg-soft); font-weight: 600; white-space: nowrap; }

/* FAQ */
.faq-item { border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 12px; padding: 16px; }
.faq-item h3 { margin: 0 0 8px; font-size: 16px; }

/* 表格与提示 */
.note { background: #eff6ff; border-left: 4px solid #2563eb; padding: 12px 16px; border-radius: 4px; font-size: 14px; margin: 16px 0; }
.price-block { background: #fffbeb; border: 1px solid #fde68a; border-radius: var(--radius); padding: 14px 16px; margin: 16px 0; }

/* CTA */
.cta { background: var(--primary); color: #fff; text-align: center; padding: 28px 20px; border-radius: var(--radius); margin: 24px 0; }
.cta h3 { margin-bottom: 8px; }
.cta a { color: #fde68a; font-weight: 600; }

/* 面包屑 */
.breadcrumb { font-size: 13px; color: var(--muted); padding: 14px 0; }
.breadcrumb a { color: var(--muted); }

/* 页脚 */
.site-footer { background: var(--primary-dark); color: #d1d5db; padding: 32px 0 20px; margin-top: 40px; font-size: 14px; }
.site-footer h3 { color: #fff; font-size: 15px; margin-bottom: 8px; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; margin-bottom: 20px; }
.site-footer a { color: #fde68a; }
.footer-note { font-size: 12px; opacity: 0.8; }
.copyright { font-size: 12px; opacity: 0.6; margin-top: 8px; }

/* 文章 */
.article-body { max-width: 780px; }
.article-body h2, .article-body h1 { font-size: 22px; margin: 28px 0 12px; }
.article-meta { font-size: 13px; color: var(--muted); margin-bottom: 20px; }

@media (max-width: 640px) {
  .hero h1 { font-size: 24px; }
  .section h2 { font-size: 20px; }
}