:root{
  --brand:#ff7a45; --brand-d:#e8622c; --ink:#2b2f36; --muted:#8a919c;
  --line:#e7e9ee; --bg:#f6f7f9; --card:#fff;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--ink);line-height:1.6}
a{color:inherit;text-decoration:none}
/* 顶栏 */
.topbar{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.topbar-in{max-width:1120px;margin:0 auto;padding:0 20px;height:56px;display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:10px}
.logo-mark{width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--brand),#ffb08a);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700}
.logo-tx b{display:block;font-size:15px;line-height:1.1}
.logo-tx em{font-style:normal;font-size:11px;color:var(--muted)}
.nav{display:flex;gap:4px;flex-wrap:wrap}
.nav a{padding:7px 12px;border-radius:8px;font-size:14px;color:#5b616b}
.nav a:hover{background:var(--bg)}
.nav a.active{background:rgba(255,122,69,.1);color:var(--brand-d);font-weight:600}
/* 通用按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:40px;padding:0 20px;border-radius:9px;border:1px solid var(--line);background:#fff;color:var(--ink);font-size:14px;cursor:pointer;font-family:inherit}
.btn:hover{border-color:var(--brand)}
.btn-primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-d);border-color:var(--brand-d)}
.btn-ghost{background:#fff}
/* 页脚 */
.sitefoot{max-width:1120px;margin:28px auto 0;padding:22px 20px 40px;color:var(--muted);font-size:13px;border-top:1px solid var(--line);text-align:center}
.sitefoot a{color:#5b616b}
.sitefoot .beian{margin-top:6px;font-size:12px}
/* SEO 内容区 */
.content{max-width:860px;margin:0 auto;padding:24px 20px}
.content h1{font-size:24px;margin:6px 0 12px}
.content h2{font-size:18px;margin:26px 0 10px}
.content .lead{color:var(--muted);margin:0 0 16px}
.content p{margin:10px 0}
.crumb{font-size:13px;color:var(--muted);margin-bottom:10px}
.crumb a{color:#5b616b}
.linklist{padding-left:18px}.linklist li{margin:6px 0}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.gcard{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px;text-align:center}
.gcard b{display:block;font-size:15px;margin-bottom:4px}
.gcard span{font-size:12px;color:var(--muted)}
.seo{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px 24px;margin-top:24px}
.seo h2{font-size:17px;margin:16px 0 8px}.seo h2:first-child{margin-top:0}
.seo p{color:#5b616b;font-size:14px;margin:8px 0}
.gcard:hover{border-color:var(--brand)}
.content h1 .byline{font-size:15px;color:var(--muted);font-weight:400;margin-left:8px}
.actrow{display:flex;flex-wrap:wrap;gap:10px;margin:14px 0 6px}
.content h2 .btn,.content p .btn{margin-left:8px;height:32px;padding:0 14px;font-size:13px;vertical-align:middle}
.poembox{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;text-align:center;margin:14px 0}
.poembox .pline{font-size:22px;letter-spacing:2px;margin:8px 0;color:var(--ink);line-height:1.9}