:root{
  --ink:#1A2A1A; --ink-2:#3A5A3A; --cream:#E8F5E9; --cream-2:#C8E6C9;
  --bg:#0E1A10; --bar:rgba(232,245,233,.95); --accent:#A5D6A7; --accent-2:#2E7D32;
  --purple:#6A1B9A; --sun:#FFE08A; --title:#A5D6A7; --sky:linear-gradient(180deg,#0e1a10,#1a4020 45%,#c8e6c9);
  --sci-bg:#E8F5E9; --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;}