/* Aide : logiciels de messagerie */
        .mailhelp { padding:16px 20px 14px; }
        .mailhelp h3 { margin:0 0 6px; }
        .mc-intro { margin:0 0 4px; font-size:14px; }
        .mc-row { display:flex; gap:14px; overflow-x:auto; padding:10px 4px 8px; }
        .mc { flex:none; width:100px; display:flex; flex-direction:column; align-items:center; gap:7px; padding:8px 4px; border-radius:12px;
              text-decoration:none; color:var(--text); font-size:12.5px; font-weight:600; text-align:center; transition:background .15s; }
        .mc span { white-space:nowrap; }
        .mc:first-child { margin-left:auto; }
        .mc:last-child { margin-right:auto; }
        .mc svg { width:58px; height:58px; filter:drop-shadow(0 3px 5px rgba(15,23,42,.28)); transition:transform .15s; }
        .mc:hover, .mc:focus-visible { background:#eef4ff; }
        .mc:hover svg, .mc:focus-visible svg { transform:translateY(-3px) scale(1.07); }
        .mc:focus-visible { outline:2px solid var(--primary); outline-offset:2px; }
        .mc-hint { min-height:2.6em; margin-top:2px; padding:8px 12px; background:#f8fafc; border-left:3px solid var(--primary); border-radius:4px; font-size:13px; }
        .mc-note { margin-top:8px; color:var(--muted); font-size:11.5px; }