body{background:#F4F9FF}
  .thead{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);backdrop-filter:blur(12px);border-bottom:1px solid #E6ECF3}
  .thead__in{max-width:1140px;margin:0 auto;display:flex;align-items:center;gap:14px;padding:12px 22px}
  .thead__logo{display:flex;align-items:center;gap:10px;text-decoration:none}
  .thead__logo img{width:38px;height:38px}
  .thead__logo b{font-family:'Sora',sans-serif;font-size:1.2rem;color:#0A2540}
  .thead__logo b span{color:#00B4E6}
  .thead__back{margin-left:auto;text-decoration:none;color:#1D4ED8;font-weight:700;font-size:.92rem;display:inline-flex;align-items:center;gap:7px}
  .thead__back:hover{text-decoration:underline}
  .twrap{max-width:820px;margin:0 auto;padding:40px 22px 80px}
  .thero{text-align:center;margin-bottom:8px}
  .thero .eyebrow{display:inline-block;background:rgba(0,217,255,.12);color:#0284c7;font-weight:700;font-size:.78rem;letter-spacing:.04em;text-transform:uppercase;padding:6px 14px;border-radius:999px;margin-bottom:14px}
  .thero h1{font-family:'Sora',sans-serif;font-weight:800;font-size:clamp(1.8rem,4vw,2.6rem);color:#0A2540;margin:0 0 10px;line-height:1.1}
  .thero h1 .g{background:linear-gradient(120deg,#00D9FF,#7B61FF);-webkit-background-clip:text;background-clip:text;color:transparent}
  .thero p{color:#5B6B7D;font-size:1.02rem;max-width:560px;margin:0 auto}

  .test-card{margin:30px auto 0;background:#fff;border:1px solid #E6ECF3;border-radius:22px;padding:28px;box-shadow:0 26px 54px -32px rgba(10,37,64,.45)}
  .test-row{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:18px}
  .test-fld{flex:1;min-width:150px;display:flex;flex-direction:column;gap:6px}
  .test-fld label{font-weight:700;font-size:.84rem;color:#33485E}
  .test-fld select{padding:11px 13px;border:1.5px solid #E6ECF3;border-radius:11px;font:inherit;background:#fff;cursor:pointer}
  .test-note{color:#6B7A8D;font-size:.84rem;margin-top:14px;display:flex;align-items:center;gap:7px}
  .test-loading{display:flex;align-items:center;justify-content:center;padding:34px;color:#2563EB;font-weight:600}
  .ai-dot{width:7px;height:7px;border-radius:50%;background:#00D9FF;display:inline-block;animation:aiBlink 1.2s infinite}
  .ai-dot:nth-child(2){animation-delay:.2s}.ai-dot:nth-child(3){animation-delay:.4s}
  @keyframes aiBlink{0%,100%{opacity:.3}50%{opacity:1}}
  .tq{border:1.5px solid #E6ECF3;border-radius:14px;padding:16px 18px;margin-bottom:14px}
  .tq__q{font-weight:700;margin-bottom:12px;color:#0F2238}
  .tq__opt{display:flex;align-items:center;gap:10px;padding:10px 13px;border:1.5px solid #E6ECF3;border-radius:11px;margin-bottom:8px;cursor:pointer;transition:.15s;font-size:.94rem}
  .tq__opt:hover{border-color:#2563EB}
  .tq__opt.sel{border-color:#2563EB;background:rgba(37,99,235,.06)}
  .tq__opt.ok{border-color:#16A34A;background:rgba(22,163,74,.09)}
  .tq__opt.bad{border-color:#EF4444;background:rgba(239,68,68,.09)}
  .tq__opt input{accent-color:#2563EB;width:16px;height:16px}
  .test-score{text-align:center;padding:22px 0}
  .test-score b{font-family:'Sora',sans-serif;font-weight:800;font-size:2.6rem;line-height:1;background:linear-gradient(120deg,#00D9FF,#7B61FF);-webkit-background-clip:text;background-clip:text;color:transparent}
  .test-score p{color:#6B7A8D;margin-top:6px}