:root{
      --accent:#ff8a00;
      --accent-2:#ffdd57;
      --bg:#f7f7f8;
      --card:#ffffff;
      --text:#222;
    }
    body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial; margin:0; background:var(--bg); color:var(--text); -webkit-font-smoothing:antialiased;}
    .container{max-width:980px;margin:28px auto;padding:18px;}
    header{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
    header h1{font-size:20px;margin:0}
    header p{margin:0;color:#555}
    .card{background:var(--card);border-radius:12px;padding:18px;box-shadow:0 6px 18px rgba(0,0,0,0.06);}
    .intro{margin-bottom:12px}
    .accordion{margin-top:8px}
    .faq-item{border-top:1px solid #ececec;padding:12px 0;}
    .faq-q{display:flex;justify-content:space-between;align-items:center;cursor:pointer;gap:12px;font-weight:600}
    .faq-q small{color:#666;font-weight:400}
    .faq-a{margin-top:8px;color:#333;line-height:1.5;display:none;padding-right:6px}
    .faq-q:focus{outline:3px solid rgba(255,138,0,0.12);border-radius:6px}
    .controls{margin-top:14px;display:flex;gap:8px;flex-wrap:wrap}
    .btn{background:linear-gradient(90deg,var(--accent-2),var(--accent));color:#000;padding:8px 12px;border-radius:8px;border:none;cursor:pointer;font-weight:700}
    .muted{color:#666;font-size:14px}
    footer{margin-top:18px;text-align:center;color:#666;font-size:13px}
    @media (max-width:640px){
      header h1{font-size:18px}
      .container{padding:12px}
    }