.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} }