.guide-head{background:#1e4a7a;color:#fff;text-align:center;padding:2.5rem 0 1.5rem}
.guide-head h1{font-size:clamp(1.35rem,3.2vw,1.85rem);font-weight:800;margin-bottom:.5rem}
.guide-head p{font-size:.92rem;color:#a8c4e0;max-width:560px;margin:0 auto}

.guide-layout{padding:2rem 0 3.5rem;display:grid;grid-template-columns:220px 1fr;gap:2rem;align-items:start}
.guide-nav{background:#fff;border:1px solid #d0dce8;position:sticky;top:5rem}
.guide-nav a{display:block;padding:.75rem 1rem;font-size:.86rem;font-weight:600;color:#5a7090;border-bottom:1px solid #e8eef4;text-decoration:none!important}
.guide-nav a:last-child{border-bottom:none}
.guide-nav a:hover,.guide-nav a.active{background:#e8f0f8;color:#1e4a7a;border-left:3px solid #1e4a7a;padding-left:calc(1rem - 3px)}

.guide-panels{display:flex;flex-direction:column;gap:1.25rem}
.guide-panel{background:#fff;border:1px solid #d0dce8;padding:1.35rem 1.4rem}
.guide-panel h2{font-size:1.05rem;font-weight:800;margin-bottom:.5rem;color:#1e4a7a;padding-bottom:.45rem;border-bottom:2px solid #e8f0f8}
.guide-panel p{font-size:.88rem;color:#5a7090;line-height:1.65;margin-bottom:.65rem}
.guide-panel li{font-size:.86rem;color:#5a7090;padding:.22rem 0 .22rem 1.2rem;position:relative}
.guide-panel li::before{content:"•";position:absolute;left:0;color:#1e4a7a;font-weight:900}
.guide-panel img{margin-top:.75rem;border:1px solid #d0dce8;max-width:320px}

.guide-appendix{background:#f4f7fb;border-top:1px solid #d0dce8;border-bottom:1px solid #d0dce8;padding:2.5rem 0}
.appendix-cols{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem}
.appendix-box{background:#fff;border:1px solid #d0dce8;padding:1.25rem}
.appendix-box h3{font-size:.95rem;font-weight:800;color:#1e4a7a;margin-bottom:.6rem}
.appendix-box li{font-size:.86rem;color:#5a7090;padding:.28rem 0}

.guide-cta{text-align:center;padding:2.5rem 1rem;background:#1e4a7a;color:#fff}
.guide-cta h2{font-size:1.15rem;font-weight:800;margin-bottom:.7rem}
.guide-cta a{display:inline-block;background:#fff;color:#1e4a7a!important;padding:.5rem 1.3rem;font-weight:700;text-decoration:none!important}

@media(max-width:768px){
  .guide-layout{grid-template-columns:1fr}
  .guide-nav{position:static;display:flex;flex-wrap:wrap;border:none;background:transparent;gap:.35rem}
  .guide-nav a{border:1px solid #d0dce8;border-radius:4px;background:#fff;flex:1;min-width:120px;text-align:center}
  .guide-nav a.active,.guide-nav a:hover{border-left:1px solid #d0dce8;padding-left:1rem}
  .appendix-cols{grid-template-columns:1fr}
}