.ss-intro{
      --bg:#f5f5f5;
      --line:#e0e0e0;
      --text:#000000;
      --accent:#6d6d6d;
      --accent-bg:rgba(109,109,109,.10);
    }
    .ss-intro.ss-theme-artistic{
      --bg:#fafafa;
      --line:#dcdcdc;
      --accent:#6d6d6d;
      --accent-bg:rgba(109,109,109,.12);
    }
    .ss-intro .card{
      background:var(--bg);
      border:1px solid var(--line);
      border-left:4px solid var(--accent);
      border-radius:14px;
      padding:14px 16px;
      box-shadow:0 2px 8px rgba(16,24,40,.15), 0 3px 6px rgba(0,0,0,.1); 
      font:600 15px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,Arial;
      color:var(--text);
    }
    @media (max-width:640px){
      .ss-intro .card{font-size:14px;padding:12px 14px}
    }