body{background:#f8f9fa}.handbook-header{background:linear-gradient(135deg,var(--primary),#3a7ca5);color:#fff;padding:3rem 0}.handbook-header h1{font-size:clamp(1.8rem,4vw,2.6rem)}.handbook-header p{margin:1rem 0 0;font-size:1.1rem}.handbook-main{max-width:1040px}.handbook-nav{display:flex;flex-wrap:wrap;gap:10px;margin:1.5rem 0}.handbook-nav a{display:flex;align-items:center;min-height:44px;border:1px solid #d2dfe8;border-radius:8px;padding:.5rem .8rem;background:#fff;color:var(--primary)}.handbook-section{background:#fff;border-radius:15px;padding:2rem;margin:1.5rem 0;box-shadow:0 4px 20px #00000008;line-height:1.7;scroll-margin-top:20px}.handbook-section h2{color:var(--primary);font-size:1.6rem;margin-bottom:1rem}.handbook-section h3{font-size:1.2rem;margin-top:1.5rem}.handbook-section img{width:100%;height:auto;border-radius:10px}.handbook-section figcaption{margin-top:.5rem;color:#52606c}.handbook-checklist{padding-left:1.4rem}.handbook-checklist li{padding-left:.3rem;margin-bottom:.8rem}.handbook-files{margin:1rem 0}.handbook-files>div{display:grid;grid-template-columns:1fr 1fr;gap:16px;padding:.8rem;border-bottom:1px solid #e3e9ee}.handbook-files dd{margin:0}.handbook-note{padding:1rem;border-left:3px solid #3498db;background:#f0f6fa}.handbook-section details{border-bottom:1px solid #e3e9ee}.handbook-section summary{cursor:pointer;padding:.85rem 0;font-weight:600;color:var(--primary)}.handbook-section details p{padding:0 0 .8rem;margin:0}.handbook-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:1.5rem}@media (max-width:575.98px){.handbook-header{padding:2rem 0}.handbook-section{padding:1.25rem}.handbook-section h2{font-size:1.4rem}.handbook-files>div{grid-template-columns:minmax(0,1fr);gap:.2rem;padding:.8rem 0}.handbook-actions{flex-direction:column}}