.ab-hero{position:relative;padding:4rem 0;background:linear-gradient(135deg,#0A1628 0%,#0F2847 25%,#163A6A 50%,#0D2240 75%,#081428 100%);overflow:hidden}
@media(min-width:768px){.ab-hero{padding:5rem 0}}
.ab-hero::before{content:'';position:absolute;inset:0;opacity:.12;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1400 500' preserveAspectRatio='none'%3E%3Cline x1='0' y1='120' x2='350' y2='120' stroke='%2360A5FA' stroke-width='1.5'/%3E%3Cline x1='420' y1='120' x2='780' y2='120' stroke='%2360A5FA' stroke-width='1.5'/%3E%3Cline x1='850' y1='120' x2='1200' y2='120' stroke='%2360A5FA' stroke-width='1.5'/%3E%3Cline x1='0' y1='250' x2='280' y2='250' stroke='%233B82F6' stroke-width='2'/%3E%3Cline x1='350' y1='250' x2='650' y2='250' stroke='%233B82F6' stroke-width='2'/%3E%3Cline x1='720' y1='250' x2='1050' y2='250' stroke='%233B82F6' stroke-width='2'/%3E%3Cline x1='1120' y1='250' x2='1400' y2='250' stroke='%233B82F6' stroke-width='2'/%3E%3Cline x1='0' y1='380' x2='450' y2='380' stroke='%2360A5FA' stroke-width='1.5'/%3E%3Cline x1='520' y1='380' x2='900' y2='380' stroke='%2360A5FA' stroke-width='1.5'/%3E%3Cline x1='970' y1='380' x2='1400' y2='380' stroke='%2360A5FA' stroke-width='1.5'/%3E%3Ccircle cx='200' cy='120' r='3.5' fill='%2360A5FA'/%3E%3Ccircle cx='500' cy='250' r='4' fill='%233B82F6'/%3E%3Ccircle cx='800' cy='250' r='4' fill='%233B82F6'/%3E%3Crect x='460' y='210' width='80' height='80' rx='4' stroke='%2393C5FD' stroke-width='1.5' fill='none'/%3E%3Crect x='760' y='200' width='80' height='60' rx='4' stroke='%2393C5FD' stroke-width='1.5' fill='none'/%3E%3Crect x='1060' y='300' width='80' height='80' rx='4' stroke='%2393C5FD' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");background-size:cover}
.ab-hero-inner{position:relative;z-index:2}
.ab-hero h1{font-size:2rem;font-weight:700;color:#fff;margin-bottom:.5rem}
@media(min-width:768px){.ab-hero h1{font-size:2.5rem}}
.ab-hero p{color:rgba(255,255,255,.8);max-width:40rem}
.ab-bc{display:flex;align-items:center;gap:.35rem;font-size:.85rem;color:rgba(255,255,255,.55);margin-bottom:.75rem}
.ab-bc a{color:rgba(255,255,255,.65);text-decoration:none;transition:color .15s}
.ab-bc a:hover{color:#fff}
.ab-bc-current{color:#fff}
.ab-layout{display:flex;gap:2rem;padding-top:2rem;padding-bottom:3rem}
@media(max-width:767.98px){.ab-layout{flex-direction:column;gap:1rem;padding-top:1rem}}
.ab-sidebar{width:16rem;flex-shrink:0}
@media(max-width:991.98px){.ab-sidebar{width:100%}}
.ab-group{margin-bottom:.25rem}
.ab-group-btn{display:flex;align-items:center;gap:.6rem;width:100%;padding:.6rem .75rem;border:none;border-radius:.5rem;font-size:.875rem;font-weight:600;color:#1F2937;background:transparent;cursor:pointer;transition:all .15s;text-align:left}
.ab-group-btn:hover{background:#F8FAFC}
.ab-group-btn.active{background:#1E40AF;color:#fff}
.ab-group-btn.active .ab-nav-ic{opacity:1}
.ab-nav-ic{width:1rem;height:1rem;flex-shrink:0;opacity:.6}
.ab-arrow{width:14px;height:14px;margin-left:auto;flex-shrink:0;transition:transform .2s;color:#9CA3AF}
.ab-arrow.rot{transform:rotate(90deg)}
.ab-group-btn.active .ab-arrow{color:rgba(255,255,255,.7)}
.ab-pages{margin-top:.25rem;margin-left:1rem;padding-left:.5rem;border-left:2px solid #E5E7EB;display:flex;flex-direction:column;gap:2px}
.ab-page-btn{display:block;width:100%;padding:.45rem .6rem;border:none;border-radius:.375rem;font-size:.825rem;color:#6B7280;background:transparent;cursor:pointer;text-align:left;transition:all .15s}
.ab-page-btn:hover{color:#1F2937;background:#F8FAFC}
.ab-page-btn.active{background:#EFF6FF;color:#1E40AF;font-weight:500}
.ab-main{flex:1;min-width:0}
.ab-content-breadcrumb{display:flex;align-items:center;gap:.35rem;font-size:.85rem;color:#6B7280;margin-bottom:1rem}
.ab-content-title{font-size:1.5rem;font-weight:700;color:#1E40AF;padding-bottom:1rem;border-bottom:1px solid #E5E7EB;margin-bottom:1.5rem}
.ab-prose{max-width:none!important}
.ab-prose h2{font-size:1.35rem;font-weight:700;color:#1E40AF;margin:1.25rem 0 .75rem}
.ab-prose h2:first-child{margin-top:0}
.ab-prose h3{font-size:1.05rem;font-weight:700;color:#1E40AF;margin:1.25rem 0 .5rem}
.ab-prose p{color:#374151;line-height:1.8;margin-bottom:.75rem}
.ab-prose ul{padding-left:1.25rem;margin:0 0 .75rem;list-style-type:disc}
.ab-prose li{color:#374151;line-height:1.7;margin-bottom:.25rem}
.ab-prose strong{color:#1E40AF;font-weight:600}
.ab-prose img{max-width:100%;height:auto;border-radius:.5rem}
.ab-prose a{color:#2563EB;text-decoration:underline}
.ab-prose a:hover{color:#1E40AF}
.ab-gallery{margin-top:2rem;display:none}
.ab-gallery-label{font-size:1rem;font-weight:600;color:#1E40AF;display:flex;align-items:center;gap:.5rem;margin-bottom:.75rem}
.ab-gallery-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:.75rem}
@media(min-width:768px){.ab-gallery-grid{grid-template-columns:repeat(3,1fr)}}
.ab-gallery-img{display:block;aspect-ratio:4/3;border-radius:.5rem;overflow:hidden;border:1px solid #E5E7EB;transition:all .2s}
.ab-gallery-img img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.ab-gallery-img:hover{border-color:#93C5FD;box-shadow:0 4px 12px rgba(59,130,246,.15)}
.ab-gallery-img:hover img{transform:scale(1.03)}
#ab-lightbox{display:none;position:fixed;inset:0;z-index:9999;background:rgba(0,0,0,.85);justify-content:center;align-items:center}
.lb-close{position:absolute;top:1rem;right:1rem;color:#fff;font-size:2rem;cursor:pointer;background:none;border:none;line-height:1}
.lb-img{max-width:90vw;max-height:85vh;border-radius:.5rem;object-fit:contain}
#ab-mob-toggle{display:none;position:fixed;bottom:1rem;right:1rem;z-index:50;width:3rem;height:3rem;border-radius:50%;background:#1E40AF;color:#fff;border:none;box-shadow:0 4px 12px rgba(0,0,0,.2);cursor:pointer;align-items:center;justify-content:center}
#ab-mob-toggle svg{width:1.25rem;height:1.25rem}
@media(max-width:767.98px){#ab-mob-toggle{display:flex}}