*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --primary:#0f766e;--primary-dark:#0d5c56;--accent:#f59e0b;
  --bg:#f0fdfa;--surface:#fff;--text:#134e4a;--border:#99f6e4;
  --shadow:0 4px 24px rgba(15,118,110,.08);
}
body{font-family:"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);line-height:1.7;font-size:15px}
a{color:var(--primary);text-decoration:none}
a:hover{color:var(--accent)}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:1200px;margin:0 auto;padding:0 16px}
.site-header{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;box-shadow:var(--shadow)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;padding:18px 16px;flex-wrap:wrap;gap:12px}
.logo a{color:#fff;font-size:22px;font-weight:700}
.logo img{max-height:48px}
.site-nav ul{display:flex;flex-wrap:wrap;list-style:none;gap:4px}
.site-nav a{display:block;padding:8px 14px;color:rgba(255,255,255,.92);border-radius:6px;font-size:14px}
.site-nav a:hover,.site-nav a.active{background:rgba(255,255,255,.18);color:#fff}
.hero{background:var(--surface);margin:20px auto;border-radius:12px;overflow:hidden;box-shadow:var(--shadow)}
.hero-grid{display:grid;grid-template-columns:2fr 1fr;gap:0}
.hero-main{position:relative;min-height:320px}
.hero-main img{width:100%;height:320px;object-fit:cover}
.hero-main .caption{position:absolute;bottom:0;left:0;right:0;padding:20px;background:linear-gradient(transparent,rgba(0,0,0,.75));color:#fff}
.hero-main .caption h2{font-size:20px}
.hero-side{padding:16px;display:flex;flex-direction:column;gap:12px;border-left:1px solid var(--border)}
.hero-side a{display:flex;gap:10px;padding:8px;border-radius:8px;background:var(--bg)}
.hero-side img{width:72px;height:54px;object-fit:cover;border-radius:6px;flex-shrink:0}
.hero-side span{font-size:13px;line-height:1.5}
.layout{display:grid;grid-template-columns:1fr 300px;gap:24px;margin:24px auto;padding-bottom:40px}
.section{background:var(--surface);border-radius:12px;padding:20px;box-shadow:var(--shadow);margin-bottom:20px}
.section-title{font-size:18px;font-weight:700;padding-bottom:12px;margin-bottom:16px;border-bottom:2px solid var(--primary)}
.section-title::before{content:"";display:inline-block;width:4px;height:18px;background:var(--accent);margin-right:8px;vertical-align:middle}
.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.card{border:1px solid var(--border);border-radius:10px;overflow:hidden}
.card img{width:100%;height:160px;object-fit:cover}
.card-body{padding:14px}
.card-body h3{font-size:15px;margin-bottom:8px;line-height:1.5}
.card-body p{font-size:13px;color:#64748b}
.card-meta{font-size:12px;color:#94a3b8;margin-top:8px}
.article-list{list-style:none}
.article-list li{padding:12px 0;border-bottom:1px dashed var(--border);display:flex;gap:12px}
.article-list li:last-child{border-bottom:none}
.article-list .num{width:24px;height:24px;background:var(--primary);color:#fff;border-radius:50%;text-align:center;line-height:24px;font-size:12px;flex-shrink:0}
.article-list h4{font-size:14px;margin-bottom:4px}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud a{padding:4px 12px;background:var(--bg);border:1px solid var(--border);border-radius:20px;font-size:12px}
.widget-list{list-style:none}
.widget-list li{padding:8px 0;border-bottom:1px solid var(--border);font-size:13px}
.breadcrumb{font-size:13px;color:#64748b;padding:16px 0}
.article-header h1{font-size:26px;line-height:1.4;margin-bottom:12px}
.article-meta{display:flex;flex-wrap:wrap;gap:16px;font-size:13px;color:#64748b;margin-bottom:20px}
.article-body{font-size:16px;line-height:1.9}
.article-body p{margin-bottom:16px}
.related-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.related-grid a{padding:10px;background:var(--bg);border-radius:8px;font-size:13px;display:block}
.pagination{padding:16px 0;text-align:center}
.pagination a{display:inline-block;margin:0 4px;padding:6px 14px;border:1px solid var(--border);border-radius:6px;font-size:13px}
.site-footer{background:var(--primary-dark);color:rgba(255,255,255,.85);padding:32px 0;margin-top:20px;font-size:13px}
.footer-links{display:flex;flex-wrap:wrap;gap:8px 16px;margin-bottom:16px}
.footer-links a{color:rgba(255,255,255,.75)}
.footer-copy{text-align:center;opacity:.7;line-height:1.8}
@media(max-width:768px){
  .hero-grid,.layout,.card-grid,.related-grid{grid-template-columns:1fr}
  .hero-main img{height:200px}
}

/* === 进阶养蜘蛛模块 === */
.related-links,.spider-hub,.article-tags,.spider-kws{margin:0;padding:0;border:0;background:transparent}
.related-links,.spider-hub{margin:24px 0;padding:20px;background:rgba(0,0,0,.03);border-radius:10px;border:1px solid rgba(0,0,0,.06)}
.hub-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.hub-block{background:#fff;padding:14px;border-radius:8px;border:1px solid rgba(0,0,0,.05)}
.hub-title{font-size:14px;font-weight:700;margin:0 0 10px;padding-bottom:8px;border-bottom:1px dashed rgba(0,0,0,.1)}
.hub-links{display:flex;flex-wrap:wrap;gap:6px 10px;line-height:1.8}
.hub-links a{font-size:13px;display:inline-block;padding:2px 0}
.spider-kws{margin:16px 0;padding:12px;background:rgba(0,0,0,.02);border-radius:6px;font-size:13px;line-height:2;color:inherit;opacity:.85}
.spider-kws span{margin-right:8px}
.spider-footer-extra{margin-top:12px;padding-top:12px;border-top:1px dashed rgba(0,0,0,.08);font-size:12px;line-height:2}
.spider-ft-row{margin:6px 0}
.spider-ft-row a{margin-right:10px;display:inline-block}
.logo-link{display:inline-block;line-height:0;background:url(../images/logo.svg) left center/contain no-repeat;min-width:140px;min-height:44px}
.logo-img{max-height:48px;width:auto;vertical-align:middle}