*{box-sizing:border-box;margin:0;padding:0}
html,body{max-width:100%;overflow-x:hidden}
body{font-family:system-ui,sans-serif;background:#f8f9fa;color:#1a1a2e;line-height:1.6}
.hidden{display:none}
.nav{background:#fff;border-bottom:1px solid #e0e0e0;padding:16px 24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap}
.nav .logo{font-weight:700;font-size:20px;color:#1a1a2e}
.nav>div:last-child{display:flex;align-items:center;justify-content:flex-end;gap:24px;flex-wrap:wrap;min-width:0}
.nav a{color:#555;text-decoration:none;font-size:14px}
.nav .lang-btn,.navbar .lang-btn{color:#1d4ed8;font-weight:600;cursor:pointer;font-size:14px;background:none;border:none}
.navbar .lang-btn{margin-left:12px}
.nav .lang-btn:hover,.navbar .lang-btn:hover{text-decoration:underline}
.hero{text-align:center;padding:80px 24px 60px;background:linear-gradient(135deg,#1a1a2e 0%,#16213e 100%);color:#fff}
.hero h1{font-size:42px;font-weight:800;line-height:1.2;margin:0 auto 16px;max-width:960px;overflow-wrap:break-word}
.hero p{font-size:18px;color:#a0a0c0;max-width:600px;margin:0 auto 32px;overflow-wrap:break-word}
.hero>div{max-width:420px;margin:0 auto}
.btn{display:inline-block;padding:14px 32px;border-radius:8px;font-weight:600;font-size:16px;text-decoration:none;transition:all 0.15s;cursor:pointer;border:none}
.btn-primary{background:#2563eb;color:#fff}
.btn-primary:hover{background:#1d4ed8}
.btn-outline{background:transparent;border:2px solid #1d4ed8;color:#1d4ed8;margin-left:12px}
.btn-outline:hover{background:#1d4ed8;color:#fff}
.section{padding:60px 24px;max-width:900px;margin:0 auto}
.section-muted{background:#f0f2f5}
.section h2{font-size:28px;margin-bottom:24px;text-align:center}
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:24px}
.feature{background:#fff;padding:24px;border-radius:12px;border:1px solid #e8e8e8;text-align:center}
.feature .icon{font-size:32px;margin-bottom:12px}
.feature h3{font-size:16px;margin-bottom:8px}
.feature p{font-size:14px;color:#666}
.how{max-width:700px;margin:0 auto}
.step{display:flex;gap:16px;margin-bottom:24px;align-items:flex-start}
.step .num{background:#4f8cff;color:#fff;width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0;font-size:16px}
.step>div:last-child{min-width:0}
.step h4{font-size:16px;margin-bottom:4px}
.step p{font-size:14px;color:#666;overflow-wrap:break-word}
.pricing{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;max-width:600px;margin:0 auto}
.plan{background:#fff;padding:28px;border-radius:12px;border:1px solid #e8e8e8;text-align:center}
.plan.popular{border-color:#4f8cff;box-shadow:0 4px 20px rgba(79,140,255,0.15)}
.plan h4{font-size:18px;margin-bottom:8px}
.plan .price{font-size:36px;font-weight:800;color:#1a1a2e;margin-bottom:4px}
.plan .period{font-size:14px;color:#666;margin-bottom:16px}
.plan ul{list-style:none;text-align:left;font-size:14px;color:#555;margin-bottom:20px}
.plan ul li{padding:4px 0}
.plan ul li:before{content:"✓ ";color:#4f8cff;font-weight:700}
.full-width{width:100%}
footer{background:#1a1a2e;color:#a0a0c0;text-align:center;padding:32px 24px;font-size:13px}
footer a{color:#4f8cff;text-decoration:none}
footer p{margin-bottom:8px}
.navbar{text-align:right;padding:16px 24px 0}
.navbar .back-link{display:inline-block;margin-top:0}
.container{max-width:600px;margin:20px auto 60px;padding:0 24px}
.card{background:#fff;border-radius:12px;border:1px solid #e8e8e8;padding:32px}
.card h1{font-size:24px;margin-bottom:8px}
.card .sub{font-size:14px;color:#666;margin-bottom:24px}
.question{margin-bottom:24px}
.question label{display:block;font-weight:600;margin-bottom:8px;font-size:15px}
.question .options{display:flex;flex-direction:column;gap:8px}
.question .option{padding:12px 16px;border:2px solid #e0e0e0;border-radius:8px;cursor:pointer;transition:all 0.15s;font-size:14px}
.question .option:hover{border-color:#4f8cff}
.question .option.selected{border-color:#4f8cff;background:#f0f5ff}
.quiz-btn{display:block;width:100%;padding:14px;border-radius:8px;font-weight:600;font-size:16px;cursor:pointer;border:none;transition:all 0.15s}
.quiz-btn.btn-primary{margin-top:16px}
.quiz-btn.btn-primary:disabled{background:#ccc;cursor:not-allowed}
.result{text-align:center}
.result h2{font-size:22px;margin-bottom:8px}
.result .badge{display:inline-block;background:#4f8cff;color:#fff;padding:6px 16px;border-radius:20px;font-size:14px;font-weight:600;margin-bottom:16px}
.result .desc{font-size:14px;color:#555;margin-bottom:8px}
.result .tip{font-size:14px;color:#4f8cff;font-weight:600;margin-bottom:20px}
.lead-copy{font-size:14px;color:#666;margin-top:16px}
.email-form{display:flex;flex-direction:column;gap:12px;margin-top:16px}
.email-form input{padding:12px;border:2px solid #e0e0e0;border-radius:8px;font-size:15px}
.email-form input:focus{outline:none;border-color:#4f8cff}
.email-form select{padding:12px;border:2px solid #e0e0e0;border-radius:8px;font-size:15px;background:#fff}
.honeypot{position:absolute;left:-9999px}
.success{text-align:center;padding:20px}
.success h3{color:#22c55e;font-size:18px;margin-bottom:8px}
.success p{font-size:14px;color:#555}
.back-link{display:block;text-align:center;margin-top:20px;font-size:14px;color:#1d4ed8;text-decoration:none}
@media(max-width:600px){
  .nav{align-items:flex-start;gap:12px;padding:14px 24px}
  .nav>div:last-child{flex:1 1 100%;justify-content:flex-start;gap:8px 20px}
  .hero{padding:64px 24px 56px}
  .hero h1{font-size:26px;max-width:18rem}
  .hero p{font-size:15px;max-width:19rem}
  .section{padding:56px 24px}
  .btn{display:block;width:100%;margin:8px auto}
  .btn-outline{margin-left:auto}
  .step{gap:12px}
}
@media(max-width:420px){
  .hero h1{font-size:24px;max-width:16rem}
  .nav>div:last-child{gap:8px 18px}
}