:root{
  --ink:#0A1A2A; --ink-2:#3A5A6A; --cream:#E0F7FA; --cream-2:#B2EBF2;
  --bg:#012A40; --bar:rgba(224,247,250,.95); --accent:#4DD0E1; --accent-2:#0277BD;
  --purple:#5C6BC0; --sun:#FFE08A; --title:#80DEEA; --sky:linear-gradient(180deg,#012a40,#0288d1 50%,#b2ebf2);
  --sci-bg:#E1F5FE; --r:28px;
  --font-d:"ZCOOL KuaiLe","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-b:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}

/* topic accents */
.hero-emoji{font-size:clamp(120px,28vw,220px);filter:drop-shadow(0 14px 18px rgba(0,0,0,.28));}
.disclaimer{font-size:.85rem;opacity:.85;margin:.6rem 0 0;max-width:36em;}

.hero{min-height:min(70svh,560px)!important;}
.hero-emoji{display:none;}
.hero-soft{position:absolute;inset:auto 0 12% 0;display:flex;align-items:flex-end;justify-content:center;gap:clamp(12px,4vw,28px);pointer-events:none;}
.hero-soft .hs-shark{font-size:clamp(64px,14vw,110px);filter:drop-shadow(0 10px 14px rgba(0,0,0,.25));}
.hero-soft .hs-bubble{font-size:clamp(28px,6vw,44px);opacity:.85;transform:translateY(-18px);}
.station-echo{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;margin:0 auto 16px;max-width:920px;padding:10px 14px;border-radius:16px;background:rgba(255,255,255,.55);border:1px solid rgba(0,0,0,.06);}
.sec-dark .station-echo{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.12);color:inherit;}
.station-echo p{margin:0;flex:1 1 220px;font-size:clamp(14px,2.4vw,17px);line-height:1.45;}