/* cases/case.css —— 案例落地页样式（由 tools/gen-cases.js 生成，勿手改）
   品牌色与首页保持一致：主色 #1f2937 / 原木 #b98a5a / 点缀橙 #f97316 / 暖白 #faf7f2 */
:root {
  --ink: #1f2937; --wood: #b98a5a; --orange: #f97316;
  --bg: #faf7f2; --line: #ece6dd; --red: #c8161d;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg); color: var(--ink); line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
.wrap { max-width: 880px; margin: 0 auto; padding: 0 20px; }
a { color: inherit; text-decoration: none; }

.topbar { background: #fff; border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; }
.topbar-in { display: flex; align-items: center; justify-content: space-between; height: 60px; gap: 16px; flex-wrap: wrap; }
.brand { font-size: 17px; font-weight: 600; letter-spacing: .3px; }
.topnav { display: flex; gap: 18px; align-items: center; font-size: 14px; flex-wrap: wrap; }
.topnav .tel { color: var(--red); font-weight: 600; }

.crumb { padding: 16px 20px; font-size: 13px; color: #6b7280; display: flex; gap: 8px; flex-wrap: wrap; }
.crumb a:hover { color: var(--wood); }
.crumb b { color: var(--ink); font-weight: 500; }

.main { padding: 12px 20px 56px; }
h1 { font-size: 28px; line-height: 1.35; font-weight: 700; margin-bottom: 8px; }
.sub { color: #6b7280; font-size: 14px; margin-bottom: 24px; }

.cover { margin: 0 0 24px; border-radius: 16px; overflow: hidden; background: #fff; border: 1px solid var(--line); }
.cover img { display: block; width: 100%; height: auto; }
.cover figcaption { padding: 10px 16px; font-size: 13px; color: #6b7280; border-top: 1px solid var(--line); }

.pano-cta {
  display: block; background: linear-gradient(100deg, #1f2937, #374151); color: #fff;
  border-radius: 16px; padding: 20px 24px; margin-bottom: 36px;
}
.pano-cta:hover { background: linear-gradient(100deg, #111827, #1f2937); }
.pano-cta-t { display: block; font-size: 17px; font-weight: 600; }
.pano-cta-s { display: block; font-size: 13px; opacity: .8; margin-top: 4px; }

.block { margin-bottom: 36px; }
.block h2 {
  font-size: 19px; font-weight: 600; margin-bottom: 14px;
  display: flex; align-items: center; gap: 8px;
}
.block h2::before { content: ""; width: 4px; height: 18px; background: var(--wood); border-radius: 2px; }
.block p { font-size: 15px; }

.specs { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 16px; overflow: hidden; }
.specs > div { background: #fff; padding: 14px 18px; }
.specs dt { font-size: 12px; color: #6b7280; margin-bottom: 2px; }
.specs dd { font-size: 15px; font-weight: 500; }

.hl { padding-left: 20px; }
.hl li { margin-bottom: 10px; font-size: 15px; }

.ask { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 24px; }
.btns { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 16px; }
.btn {
  display: inline-block; padding: 10px 20px; border-radius: 10px; font-size: 15px;
  border: 1px solid var(--line); background: #fff;
}
.btn:hover { border-color: var(--wood); }
.btn-primary { background: var(--ink); color: #fff; border-color: var(--ink); }
.btn-primary:hover { background: #111827; }
.btn-wood { background: var(--wood); color: #fff; border-color: var(--wood); }

.rel { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.rel-card { background: #fff; border: 1px solid var(--line); border-radius: 16px; overflow: hidden; display: block; }
.rel-card:hover { border-color: var(--wood); }
.rel-card img { display: block; width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.rel-t { display: block; padding: 10px 14px 2px; font-size: 15px; font-weight: 500; }
.rel-s { display: block; padding: 0 14px 12px; font-size: 13px; color: #6b7280; }

.foot { background: #1f2937; color: #d1d5db; padding: 32px 0; font-size: 13px; }
.foot p { margin-bottom: 8px; }
.foot a { color: #d1d5db; }
.foot-links { display: flex; gap: 16px; flex-wrap: wrap; }
.foot-links a:hover { color: #fff; }
.icp { opacity: .7; }

@media (max-width: 640px) {
  h1 { font-size: 22px; }
  .topnav { gap: 12px; font-size: 13px; }
  .main { padding: 12px 20px 40px; }
}