:root {
  --lsbm-bg:#f3faf3;
  --lsbm-fg:#0f1f15;
  --lsbm-accent:#2fb574;
  --lsbm-accent2:#0d8a5e;
  --lsbm-card:#ffffff;
  --lsbm-line:rgba(0,0,0,.08);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body.lsbm-body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Segoe UI,Roboto,sans-serif;background:var(--lsbm-bg);color:var(--lsbm-fg);min-height:100vh;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none;transition:.2s}
img{max-width:100%;display:block}
.lsbm-wrap{max-width:1240px;margin:0 auto;padding:0 20px}

/* 资源导航 - 顶部居中 + 卡片宫格 */
.lsbm-top{background:#fff;border-bottom:1px solid #e3eee5;position:sticky;top:0;z-index:10}
.lsbm-top .lsbm-wrap{display:flex;align-items:center;gap:18px;padding:14px 20px}
.lsbm-logo{display:flex;align-items:center;gap:10px}
.lsbm-logo h1{margin:0;font-size:19px;color:var(--lsbm-accent2)}
.lsbm-nav{display:flex;gap:4px;flex:1;flex-wrap:wrap;justify-content:center}
.lsbm-nav a{padding:8px 16px;border-radius:8px;font-size:14px;color:#1f3a2b}
.lsbm-nav a:hover{background:#eaf6ec}
.lsbm-nav a.is-active{background:var(--lsbm-accent);color:#fff}
.lsbm-search{display:flex;background:#eaf6ec;border-radius:999px;padding:4px 4px 4px 14px;align-items:center}
.lsbm-search input{background:transparent;border:0;outline:0;font-size:13px;width:160px}
.lsbm-search button{background:var(--lsbm-accent);color:#fff;border:0;border-radius:999px;padding:6px 14px;cursor:pointer;font-size:12px}
.lsbm-breadcrumb{max-width:1240px;margin:0 auto;padding:14px 20px;font-size:13px;color:#5a6d61}
.lsbm-hero{max-width:1240px;margin:0 auto 22px;padding:26px;background:linear-gradient(135deg,#ecf8ee,#fff);border:1px solid #d8ecdc;border-radius:16px}
.lsbm-hero h2{margin:0 0 8px;font-size:22px;color:var(--lsbm-accent2)}
.lsbm-hero p{margin:0;color:#3a544a;font-size:14px}
.lsbm-grid{max-width:1240px;margin:0 auto;padding:0 20px;display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}
.lsbm-card{display:flex;flex-direction:column;background:#fff;border:1px solid #e3eee5;border-radius:14px;overflow:hidden;transition:.25s}
.lsbm-card:hover{transform:translateY(-2px);border-color:var(--lsbm-accent);box-shadow:0 14px 30px -18px rgba(47,181,116,.35)}
.lsbm-card-row{display:flex;gap:12px;padding:12px}
.lsbm-thumb{flex-shrink:0;width:88px;height:66px;border-radius:10px;overflow:hidden;background:#eaf6ec}
.lsbm-thumb img{width:100%;height:100%;object-fit:cover}
.lsbm-card-meta{flex:1;min-width:0}
.lsbm-card-meta h3{margin:0 0 4px;font-size:14px;color:#1f3a2b;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.lsbm-card-meta p{margin:0;font-size:12px;color:#5a6d61;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.lsbm-card-footer{padding:8px 12px;background:#f6fbf6;font-size:12px;color:var(--lsbm-accent2);display:flex;justify-content:space-between;align-items:center;border-top:1px solid #e3eee5}
.lsbm-section{max-width:1240px;margin:32px auto;padding:0 20px}
.lsbm-section h2{font-size:19px;margin:0 0 12px;color:var(--lsbm-accent2);border-left:4px solid var(--lsbm-accent);padding-left:10px}
.lsbm-reviews{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px}
.lsbm-review{background:#fff;padding:16px;border-radius:12px;border:1px solid #e3eee5}
.lsbm-review cite{display:block;margin-top:6px;font-style:normal;color:var(--lsbm-accent2);font-size:13px}
.lsbm-faq details{background:#fff;border:1px solid #e3eee5;border-radius:12px;padding:14px 18px;margin:8px 0}
.lsbm-faq summary{cursor:pointer;font-weight:600;list-style:none;color:#1f3a2b}
.lsbm-faq summary::after{content:"+";float:right;color:var(--lsbm-accent)}
.lsbm-faq details[open] summary::after{content:"−"}
.lsbm-faq p{margin:10px 0 0;color:#5a6d61;font-size:14px}
.lsbm-contact{display:grid;grid-template-columns:1fr 1fr;gap:18px;background:#fff;border:1px solid #e3eee5;border-radius:14px;padding:20px}
.lsbm-contact pre{background:#f6fbf6;color:#1f3a2b;border-radius:10px;padding:12px;font-size:12px;margin:0;overflow:auto}
.lsbm-share{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.lsbm-share a{padding:6px 14px;border-radius:999px;background:#fff;border:1px solid #d8ecdc;color:var(--lsbm-accent2);font-size:13px;cursor:pointer}
.lsbm-share a:hover{background:var(--lsbm-accent);color:#fff}
.lsbm-footer{margin-top:36px;padding:30px 20px;background:#1f3a2b;color:#cfe6d6}
.lsbm-footer .lsbm-wrap{display:grid;grid-template-columns:2fr 1fr 1fr;gap:22px;max-width:1240px;margin:0 auto}
.lsbm-footer h3{color:#fff;font-size:16px;margin:0 0 8px}
.lsbm-footer ul{list-style:none;padding:0;margin:0;font-size:13px}
.lsbm-footer ul li{padding:3px 0;opacity:.8}
@media (max-width:800px){ .lsbm-contact,.lsbm-footer .lsbm-wrap{grid-template-columns:1fr} }