*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--bg:#0f172a;--bg2:#1e293b;--bg3:#334155;--text:#e2e8f0;--text2:#94a3b8;--accent:#1a73e8;--accent2:#34d399;--danger:#f87171;--warning:#fbbf24;--radius:12px;--radius-sm:8px;--shadow:0 4px 24px rgba(0,0,0,.3);--font:system-ui,-apple-system,sans-serif;--max:720px}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased}
.container{max-width:var(--max);margin:0 auto;padding:0 20px}
a{color:var(--accent2);text-decoration:none}
a:hover{text-decoration:underline}
img,svg{max-width:100%;height:auto}

/* Header */
.site-header{background:var(--bg2);border-bottom:1px solid var(--bg3);position:sticky;top:0;z-index:100}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:56px}
.logo{display:flex;align-items:center;gap:8px;color:var(--text);text-decoration:none;font-size:.9rem}
.logo:hover{text-decoration:none}
.logo strong{color:var(--accent2)}
.site-nav{display:flex;gap:20px;align-items:center}
.site-nav a{color:var(--text2);font-size:.85rem;text-decoration:none;white-space:nowrap}
.site-nav a:hover{color:var(--text)}
.ext-link{color:var(--accent2)!important}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;flex-direction:column;gap:4px;padding:4px}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--text);border-radius:1px}

/* Hero */
.hero{padding:60px 0 40px;text-align:center;background:linear-gradient(180deg,var(--bg2) 0%,var(--bg) 100%)}
.hero-tag{display:inline-block;background:var(--accent);color:#fff;font-size:.75rem;font-weight:700;padding:4px 12px;border-radius:20px;margin-bottom:16px;letter-spacing:.5px}
.hero h1{font-size:clamp(1.6rem,5vw,2.4rem);line-height:1.2;margin-bottom:12px}
.hero-sub{color:var(--text2);font-size:1rem;max-width:480px;margin:0 auto 24px}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 20px;border-radius:var(--radius-sm);font-size:.9rem;font-weight:600;cursor:pointer;border:2px solid transparent;text-decoration:none;transition:background .15s,border-color .15s}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:#1558b0}
.btn-secondary{background:transparent;border-color:var(--bg3);color:var(--text)}
.btn-secondary:hover{border-color:var(--text2)}
.btn-sm{padding:6px 14px;font-size:.8rem}
.btn-lg{padding:14px 28px;font-size:1rem}

/* Sections */
section{padding:48px 0}
.section-intro{color:var(--text2);margin-bottom:28px;font-size:.95rem}

/* Guide */
.guide-section{background:var(--bg2)}
.scenario-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-bottom:28px}
.scenario-card{background:var(--bg);border:2px solid var(--bg3);border-radius:var(--radius);padding:20px 16px;text-align:center;cursor:pointer;transition:border-color .15s,background .15s;color:var(--text);font-family:inherit}
.scenario-card:hover,.scenario-card.active{border-color:var(--accent);background:#1a2744}
.scenario-card.active{box-shadow:0 0 0 2px var(--accent)}
.scenario-icon{font-size:1.6rem;margin-bottom:8px}
.scenario-card h3{font-size:.9rem;margin-bottom:4px}
.scenario-card p{font-size:.78rem;color:var(--text2)}

.action-panel{background:var(--bg);border-radius:var(--radius);padding:24px;border:1px solid var(--bg3)}
.action-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;flex-wrap:wrap;gap:8px}
.action-header h3{font-size:1.2rem}
.action-est{font-size:.78rem;color:var(--text2)}
.action-steps{list-style:none;counter-reset:step}
.action-steps li{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--bg3);font-size:.92rem}
.action-steps li:last-child{border-bottom:none}
.action-steps li::before{counter-increment:step;content:counter(step);flex-shrink:0;width:28px;height:28px;background:var(--accent);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:700;margin-top:1px}

.action-script{margin-top:24px;background:var(--bg2);border-radius:var(--radius-sm);padding:16px}
.action-script h4{font-size:.85rem;color:var(--text2);margin-bottom:8px}
.action-script blockquote{border-left:3px solid var(--accent2);padding:12px 16px;background:var(--bg);border-radius:0 var(--radius-sm) var(--radius-sm)0;font-style:italic;font-size:.9rem;margin-bottom:12px}

.action-warnings{margin-top:20px}
.action-warnings h4{font-size:.85rem;color:var(--danger);margin-bottom:8px}
.action-warnings ul{list-style:none;display:grid;gap:6px}
.action-warnings li{font-size:.85rem;color:var(--text2);padding-left:20px;position:relative}
.action-warnings li::before{content:"✕";position:absolute;left:0;color:var(--danger);font-weight:700}

/* Mistakes */
.mistakes-section{background:var(--bg)}
.mistake-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px}
.mistake-card{background:var(--bg2);border-radius:var(--radius);padding:20px;border:1px solid var(--bg3)}
.mistake-num{width:32px;height:32px;background:var(--danger);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.85rem;margin-bottom:12px}
.mistake-card h3{font-size:1rem;margin-bottom:6px}
.mistake-card p{font-size:.85rem;color:var(--text2)}

/* Edge Cases */
.edge-section{background:var(--bg2)}
.edge-card{background:var(--bg);border:1px solid var(--bg3);border-radius:var(--radius);margin-bottom:12px;overflow:hidden}
.edge-card summary{padding:16px 20px;cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between}
.edge-card summary::-webkit-details-marker{display:none}
.edge-card summary::after{content:"+";font-size:1.2rem;color:var(--text2);transition:transform .2s}
.edge-card[open] summary::after{content:"−"}
.edge-card summary h3{font-size:.95rem}
.edge-card p{padding:0 20px 16px;font-size:.88rem;color:var(--text2)}

/* Glovebox Card */
.card-section{background:var(--bg)}
.card-actions{display:flex;gap:12px;margin-bottom:24px;flex-wrap:wrap}
.glovebox-card{background:#fff;color:#111;border-radius:var(--radius);padding:20px;max-width:400px;border:2px dashed var(--bg3)}
.card-top{display:flex;justify-content:space-between;align-items:center;border-bottom:2px solid #111;padding-bottom:10px;margin-bottom:14px}
.card-top strong{font-size:1rem}
.card-top span{font-size:.7rem;color:#555}
.card-body ol{padding-left:20px;display:grid;gap:8px}
.card-body li{font-size:.82rem;line-height:1.5}
.card-qr{display:flex;align-items:center;gap:10px;margin-top:16px;padding-top:14px;border-top:1px solid #ddd}
.card-qr span{font-size:.7rem;color:#555}

/* Affiliate */
.affiliate-section{background:var(--bg2)}
.affiliate-card{display:flex;gap:20px;align-items:flex-start;background:var(--bg);border-radius:var(--radius);padding:20px;border:1px solid var(--bg3)}
.affiliate-img{flex-shrink:0}
.affiliate-info h3{font-size:1rem;margin-bottom:6px}
.affiliate-info p{font-size:.85rem;color:var(--text2);margin-bottom:12px}

/* FAQ */
.faq-section{background:var(--bg)}
.faq-item{background:var(--bg2);border:1px solid var(--bg3);border-radius:var(--radius);margin-bottom:10px;overflow:hidden}
.faq-item summary{padding:14px 20px;cursor:pointer;font-size:.92rem;font-weight:600;list-style:none;display:flex;align-items:center;justify-content:space-between}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:1.1rem;color:var(--text2)}
.faq-item[open] summary::after{content:"−"}
.faq-item p{padding:0 20px 14px;font-size:.88rem;color:var(--text2)}

/* Footer */
.site-footer{background:var(--bg2);border-top:1px solid var(--bg3);padding:32px 0 20px}
.footer-top{display:flex;justify-content:space-between;flex-wrap:wrap;gap:20px;margin-bottom:20px}
.footer-brand strong{font-size:.95rem}
.footer-brand p{font-size:.8rem;color:var(--text2);max-width:300px;margin-top:4px}
.footer-links{display:flex;gap:16px;flex-wrap:wrap}
.footer-links a{font-size:.8rem;color:var(--text2)}
.footer-bottom{border-top:1px solid var(--bg3);padding-top:16px}
.footer-bottom p{font-size:.75rem;color:var(--text2);margin-bottom:4px}

/* Responsive */
@media(max-width:640px){
  .site-nav{display:none;position:absolute;top:56px;left:0;right:0;background:var(--bg2);flex-direction:column;padding:16px;gap:12px;border-bottom:1px solid var(--bg3)}
  .site-nav.open{display:flex}
  .nav-toggle{display:flex}
  .hero{padding:40px 0 28px}
  .scenario-grid{grid-template-columns:1fr 1fr}
  .affiliate-card{flex-direction:column}
  .footer-top{flex-direction:column}
}

@media print{
  .site-header,.site-footer,.card-actions,.affiliate-section,.faq-section,.nav-toggle{display:none}
  body{background:#fff;color:#000}
  .glovebox-card{border:2px solid #000}
}



/* Factory-injected deployment helpers. The AI owns the site design above this block. */
.ad-unit {
  width: min(100%, 720px);
  min-height: 120px;
  margin: 24px auto;
  display: block;
}

.legal-page {
  width: min(900px, calc(100% - 32px));
  margin: 40px auto;
}

.factory-fallback-nav {
  width: min(900px, calc(100% - 32px));
  margin: 24px auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  font-size: 0.95rem;
}

.factory-fallback-nav a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}