/* 本站专属主题：青 · 清爽 · magazine */
:root{
  --bg:#ffffff;
  --bg-soft:#f1fbfd;
  --card:#ffffff;
  --text:#0f2430;
  --text-soft:#5b7580;
  --border:rgba(0,0,0,.08);
  --primary:#0891b2;
  --primary-dark:#0e7490;
  --primary-soft:rgba(0,0,0,.05);
  --deep:#083344;
  --grad:linear-gradient(135deg,#22d3ee,#0891b2);
  --grad-warm:linear-gradient(135deg,#22d3ee,#0891b2);
  --grad-green:linear-gradient(135deg,#22d3ee,#0891b2);
  --radius:4px;
  --radius-sm:3px;
  --radius-lg:8px;
  --font: "Georgia","Songti SC","Noto Serif SC",serif;
  --font-head: "Georgia","Songti SC","Noto Serif SC",serif;
  --shadow: 0 1px 3px rgba(0,0,0,.05),0 8px 24px rgba(0,0,0,.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,.07),0 18px 44px rgba(0,0,0,.09);
  --ring: 0 0 0 4px rgba(0,0,0,.12);
}
body{background:var(--bg);color:var(--text);font-family:var(--font)}
.site-header{background:var(--card);border-bottom:1px solid var(--border);backdrop-filter:saturate(180%) blur(18px)}
.brand-mark{background:var(--grad)}
.btn-primary{background:var(--primary);border-color:var(--primary)}
.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark)}
.badge,.badge-hot{background:var(--grad);color:#fff}
.cat-circle{background:var(--primary-soft);color:var(--primary)}
a:hover,.card-title:hover{color:var(--primary)}

.container{max-width:1180px}
.site-header{border-bottom:2px solid var(--text);background:transparent;backdrop-filter:none}
.brand-name,.section-title,h1,h2{font-family:var(--font-head);letter-spacing:-.01em}
.card{border:1px solid var(--border);box-shadow:none;border-radius:var(--radius)}
.card:hover{box-shadow:var(--shadow);transform:none}
.grid{gap:22px}
h1{font-size:clamp(26px,3.4vw,40px);line-height:1.2}
.btn{border-radius:2px}