*{margin:0;padding:0;box-sizing:border-box;}
  :root{
    --bg:#0a1017;--bg-2:#0c1521;--surface:#0f1c2b;--surface-2:#122336;--card:#152b40;
    --border:#213a52;--border-soft:#1a2c40;
    --accent:#2b9cb0;--accent-2:#37b0c6;--glow:#0ea5c0;
    --ok:#3ec98a;--warn:#e5b567;--bad:#e07a6a;
    --text:#e7eef5;--text-2:#a2b4c6;--text-muted:#647889;
    --mono:'JetBrains Mono',ui-monospace,monospace;--sans:'Exo 2',sans-serif;
    --maxw:820px;
  }
  html{scroll-behavior:smooth;}
  body{background:var(--bg);color:var(--text);font-family:var(--sans);font-size:16px;font-weight:300;line-height:1.7;-webkit-font-smoothing:antialiased;min-height:100vh;
    background-image:
      radial-gradient(ellipse 60% 50% at 80% 0%,rgba(14,165,192,.1),transparent 60%),
      radial-gradient(ellipse 70% 60% at 10% 100%,rgba(43,156,176,.07),transparent 60%);
    background-attachment:fixed;}
  ::selection{background:rgba(14,165,192,.28);color:#fff;}
  a{color:var(--accent-2);}

  .logo-mark{width:28px;height:32px;flex-shrink:0;overflow:visible;}
  .logo-mark .hex{fill:rgba(14,165,192,.08);stroke:var(--accent);stroke-width:1.3;stroke-opacity:.5;}
  .logo-mark .n{stroke:var(--accent-2);stroke-width:4.6;stroke-linecap:round;}
  .logo-mark .node{fill:var(--accent-2);}
  .logo-mark .core{fill:#dff2f7;fill-opacity:.5;}

  /* NAV */
  nav{position:sticky;top:0;z-index:100;display:flex;align-items:center;justify-content:space-between;
    padding:0 1.5rem;height:64px;background:rgba(10,16,23,.86);backdrop-filter:blur(14px);border-bottom:1px solid var(--border-soft);}
  .nav-logo{display:flex;align-items:center;gap:.65rem;text-decoration:none;}
  .nav-logo .wm{font-family:var(--sans);font-weight:300;font-size:1.2rem;letter-spacing:.06em;color:var(--text);}
  .nav-logo .wm b{font-weight:600;color:#fff;}
  .nav-right{display:flex;align-items:center;gap:1.25rem;}
  .nav-back{font-size:.85rem;color:var(--text-2);text-decoration:none;transition:color .2s;}
  .nav-back:hover{color:var(--accent-2);}
  .lang-toggle{display:flex;align-items:center;border:1px solid var(--border);border-radius:5px;overflow:hidden;}
  .lang-btn{background:none;border:none;color:var(--text-muted);cursor:pointer;font-family:var(--mono);font-size:.7rem;letter-spacing:.06em;padding:.32rem .55rem;transition:background .2s,color .2s;}
  .lang-btn:not(.active):hover{color:var(--text);}
  .lang-btn.active{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#04121a;}
  .lang-divider{width:1px;height:14px;background:var(--border);}

  .shell{max-width:var(--maxw);margin:0 auto;padding:3.5rem 1.5rem 5rem;}

  /* INTRO */
  .intro-tag{display:inline-flex;align-items:center;gap:.6rem;font-family:var(--mono);font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;color:var(--accent-2);border:1px solid var(--border);border-radius:100px;padding:.4rem 1rem;background:rgba(14,165,192,.05);margin-bottom:1.6rem;}
  .intro-tag .dot{width:6px;height:6px;border-radius:50%;background:var(--accent-2);box-shadow:0 0 10px var(--accent-2);}
  h1.intro-title{font-size:clamp(1.9rem,4.5vw,2.9rem);font-weight:200;line-height:1.12;letter-spacing:-.015em;color:#fff;margin-bottom:1rem;}
  h1.intro-title strong{font-weight:600;background:linear-gradient(100deg,#fff 10%,var(--accent-2) 60%,var(--glow) 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;}
  .intro-sub{color:var(--text-2);font-size:1.05rem;line-height:1.75;max-width:640px;margin-bottom:1.6rem;}
  .intro-meta{display:flex;flex-wrap:wrap;gap:1.4rem;margin-bottom:2.4rem;}
  .intro-meta span{display:flex;align-items:center;gap:.5rem;font-family:var(--mono);font-size:.76rem;color:var(--text-muted);letter-spacing:.02em;}
  .intro-meta svg{width:16px;height:16px;stroke:var(--accent-2);fill:none;stroke-width:1.6;}
  .btn-start{display:inline-flex;align-items:center;gap:.6rem;background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#04121a;text-decoration:none;padding:.9rem 2rem;border-radius:7px;font-size:.98rem;font-weight:600;border:none;cursor:pointer;transition:filter .2s,transform .2s,box-shadow .25s;box-shadow:0 6px 22px rgba(14,165,192,.22);}
  .btn-start:hover{filter:brightness(1.08);transform:translateY(-3px);box-shadow:0 12px 30px rgba(14,165,192,.4);}
  .intro-note{margin-top:1.1rem;font-size:.8rem;color:var(--text-muted);}

  /* QUIZ */
  .quiz{display:none;}
  .quiz.active{display:block;animation:fadeIn .4s ease;}
  @keyframes fadeIn{from{opacity:0;transform:translateY(10px);}to{opacity:1;transform:none;}}
  .progress-wrap{margin-bottom:2.2rem;}
  .progress-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:.6rem;}
  .progress-step{font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--accent-2);}
  .progress-pct{font-family:var(--mono);font-size:.72rem;color:var(--text-muted);}
  .progress-track{height:6px;background:var(--surface);border:1px solid var(--border-soft);border-radius:100px;overflow:hidden;}
  .progress-fill{height:100%;width:0%;background:linear-gradient(90deg,var(--accent),var(--accent-2));border-radius:100px;transition:width .4s cubic-bezier(.22,.61,.36,1);}

  .q-cat{font-family:var(--mono);font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--text-muted);margin-bottom:.7rem;}
  .q-text{font-size:clamp(1.25rem,2.6vw,1.6rem);font-weight:300;color:#fff;line-height:1.35;margin-bottom:1.8rem;}
  .q-options{display:flex;flex-direction:column;gap:.8rem;}
  .opt{display:flex;align-items:center;gap:1rem;width:100%;text-align:left;background:var(--surface);border:1px solid var(--border-soft);border-radius:10px;padding:1.1rem 1.3rem;cursor:pointer;font-family:var(--sans);font-size:1rem;font-weight:300;color:var(--text);transition:border-color .2s,background .2s,transform .15s;}
  .opt:hover{border-color:rgba(55,176,198,.5);background:var(--surface-2);transform:translateY(-2px);}
  .opt.sel{border-color:var(--accent-2);background:rgba(14,165,192,.08);}
  .opt .mark{width:22px;height:22px;flex-shrink:0;border-radius:50%;border:1.5px solid var(--border);display:flex;align-items:center;justify-content:center;transition:border-color .2s,background .2s;}
  .opt.sel .mark{border-color:var(--accent-2);background:var(--accent-2);}
  .opt.sel .mark::after{content:'';width:8px;height:8px;border-radius:50%;background:#04121a;}
  .q-nav{display:flex;justify-content:space-between;align-items:center;margin-top:2rem;}
  .btn-ghost{background:none;border:1px solid var(--border);color:var(--text-2);padding:.6rem 1.2rem;border-radius:6px;font-family:var(--sans);font-size:.86rem;cursor:pointer;transition:border-color .2s,color .2s;}
  .btn-ghost:hover{border-color:var(--accent);color:#fff;}
  .btn-ghost:disabled{opacity:.35;cursor:not-allowed;}
  .q-hint{font-family:var(--mono);font-size:.72rem;color:var(--text-muted);}

  /* RESULT */
  .result{display:none;}
  .result.active{display:block;animation:fadeIn .5s ease;}
  .gauge{display:flex;align-items:center;gap:2rem;flex-wrap:wrap;background:var(--surface);border:1px solid var(--border-soft);border-radius:16px;padding:2rem;margin-bottom:1.6rem;position:relative;overflow:hidden;}
  .gauge::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--rc,var(--accent));}
  .gauge-ring{position:relative;width:150px;height:150px;flex-shrink:0;}
  .gauge-ring svg{transform:rotate(-90deg);}
  .gauge-num{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;}
  .gauge-num .n{font-family:var(--mono);font-size:2.1rem;font-weight:500;color:#fff;line-height:1;}
  .gauge-num .d{font-family:var(--mono);font-size:.72rem;color:var(--text-muted);margin-top:.2rem;}
  .gauge-info{flex:1;min-width:220px;}
  .risk-badge{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;padding:.35rem .8rem;border-radius:100px;margin-bottom:.9rem;border:1px solid var(--rc);color:var(--rc);background:color-mix(in srgb,var(--rc) 12%,transparent);}
  .risk-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--rc);}
  .gauge-info h2{font-size:1.5rem;font-weight:300;color:#fff;margin-bottom:.6rem;line-height:1.25;}
  .gauge-info p{font-size:.95rem;color:var(--text-2);line-height:1.7;}

  .rec-block{background:var(--surface);border:1px solid var(--border-soft);border-radius:14px;padding:1.8rem;margin-bottom:1.6rem;}
  .rec-block h3{font-size:1.05rem;font-weight:500;color:#fff;margin-bottom:1.1rem;display:flex;align-items:center;gap:.6rem;}
  .rec-block h3 svg{width:20px;height:20px;stroke:var(--accent-2);fill:none;stroke-width:1.6;}
  .rec-list{list-style:none;display:flex;flex-direction:column;gap:.9rem;}
  .rec-list li{display:flex;gap:.8rem;font-size:.92rem;color:var(--text-2);line-height:1.6;}
  .rec-list li .ic{flex-shrink:0;width:20px;height:20px;border-radius:5px;display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:.6rem;margin-top:.1rem;}
  .rec-list li.bad .ic{background:rgba(224,122,106,.14);color:var(--bad);border:1px solid rgba(224,122,106,.3);}
  .rec-list li.warn .ic{background:rgba(229,181,103,.14);color:var(--warn);border:1px solid rgba(229,181,103,.3);}
  .rec-list li b{color:var(--text);font-weight:500;}
  .rec-empty{font-size:.92rem;color:var(--text-2);line-height:1.7;}

  .cta-card{background:linear-gradient(160deg,var(--surface-2),var(--surface));border:1px solid rgba(55,176,198,.32);border-radius:14px;padding:2rem;margin-bottom:1.4rem;position:relative;overflow:hidden;}
  .cta-card::before{content:'';position:absolute;inset:0;border-radius:14px;padding:1px;background:linear-gradient(140deg,rgba(55,176,198,.5),transparent 55%);-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;}
  .cta-card h3{font-size:1.15rem;font-weight:500;color:#fff;margin-bottom:.5rem;}
  .cta-card p{font-size:.9rem;color:var(--text-2);line-height:1.65;margin-bottom:1.3rem;}
  .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:.9rem;margin-bottom:.9rem;}
  label{font-family:var(--mono);font-size:.62rem;letter-spacing:.09em;text-transform:uppercase;color:var(--text-muted);display:block;margin-bottom:.35rem;}
  input{width:100%;background:var(--surface);border:1px solid var(--border);color:var(--text);padding:.72rem .95rem;font-family:var(--sans);font-size:.9rem;font-weight:300;border-radius:6px;outline:none;transition:border-color .25s,background .25s,box-shadow .25s;}
  input:focus{border-color:var(--accent);background:var(--surface-2);box-shadow:0 0 0 3px rgba(14,165,192,.12);}
  .consent{display:flex;align-items:flex-start;gap:.6rem;cursor:pointer;margin:.4rem 0 1.1rem;}
  .consent input[type=checkbox]{appearance:none;-webkit-appearance:none;width:18px;height:18px;flex-shrink:0;margin-top:.15rem;background:var(--surface);border:1px solid var(--border);border-radius:4px;cursor:pointer;position:relative;transition:border-color .2s,background .2s;}
  .consent input[type=checkbox]:checked{background:var(--accent);border-color:var(--accent);}
  .consent input[type=checkbox]:checked::after{content:'';position:absolute;left:50%;top:47%;width:5px;height:9px;border:solid #04121a;border-width:0 2px 2px 0;transform:translate(-50%,-50%) rotate(45deg);}
  .consent span{font-size:.76rem;color:var(--text-2);line-height:1.55;}
  .consent a{text-decoration:underline;text-underline-offset:2px;}
  .btn-send{display:inline-flex;align-items:center;gap:.5rem;background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#04121a;border:none;cursor:pointer;padding:.8rem 1.8rem;border-radius:6px;font-family:var(--sans);font-size:.92rem;font-weight:600;transition:filter .2s,transform .2s,box-shadow .25s;}
  .btn-send:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 8px 22px rgba(14,165,192,.32);}
  .form-msg{margin-top:.9rem;font-family:var(--mono);font-size:.8rem;display:none;}
  .result-actions{display:flex;flex-wrap:wrap;gap:.9rem;align-items:center;}
  .btn-outline{display:inline-flex;align-items:center;gap:.5rem;border:1px solid var(--border);color:var(--text-2);text-decoration:none;padding:.75rem 1.6rem;border-radius:6px;font-size:.9rem;transition:border-color .2s,color .2s,background .2s;cursor:pointer;background:none;font-family:var(--sans);}
  .btn-outline:hover{border-color:var(--accent);color:#fff;background:rgba(14,165,192,.06);}
  .disclaimer{font-size:.76rem;color:var(--text-muted);line-height:1.6;margin-top:1.6rem;border-top:1px solid var(--border-soft);padding-top:1.2rem;}

  footer{border-top:1px solid var(--border-soft);padding:2rem 1.5rem;text-align:center;background:var(--bg-2);}
  footer .fl{display:inline-flex;align-items:center;gap:.5rem;margin-bottom:.5rem;}
  footer .fl .wm{font-size:1rem;font-weight:300;color:var(--text);letter-spacing:.05em;}
  footer .fl .wm b{font-weight:600;color:#fff;}
  footer .ft{font-family:var(--mono);font-size:.6rem;letter-spacing:.2em;text-transform:uppercase;color:var(--text-muted);margin-bottom:.6rem;}
  footer .fc{font-size:.75rem;color:var(--text-muted);}

  @media(max-width:600px){
    .form-grid{grid-template-columns:1fr;}
    .gauge{padding:1.5rem;gap:1.4rem;}
    .shell{padding:2.5rem 1.25rem 4rem;}
  }
  @media (prefers-reduced-motion: reduce){*,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important;}}