.bt-catalog-page{--bt-catalog-blue:#0565e8;--bt-catalog-ink:#072548;--bt-catalog-muted:#62738a;background:#f6f9fe;color:var(--bt-catalog-ink);font-family:Inter,Arial,sans-serif}
.bt-catalog-page *{box-sizing:border-box}
.bt-catalog-page .bt-container,.bt-catalog-page .bt-catalog-container{width:calc(100% - 88px);max-width:1440px;margin:0 auto;padding:0}
.bt-catalog-page a{color:inherit;text-decoration:none}
.bt-catalog-page a:focus-visible,.bt-catalog-page button:focus-visible{outline:3px solid #70b1ff;outline-offset:4px}
.bt-catalog-heading{padding:30px 0 36px;background:#fff;border-bottom:1px solid #e1e9f3}
.bt-catalog-breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:10px;font-size:13px;line-height:1.6;color:#748499;margin-bottom:20px}
.bt-catalog-breadcrumb a:hover{color:var(--bt-catalog-blue)}
.bt-catalog-heading-row{display:flex;align-items:center;justify-content:space-between;gap:28px}
.bt-catalog-kicker{display:block;color:var(--bt-catalog-blue);font-size:11px;font-weight:800;letter-spacing:.12em;line-height:1.5;text-transform:uppercase;margin-bottom:9px}
.bt-catalog-heading h1{font-size:clamp(29px,3vw,46px);line-height:1.15;font-weight:800;letter-spacing:-.045em;color:var(--bt-catalog-ink);margin:0 0 12px;max-width:1040px}
.bt-catalog-lead{font-size:16px;line-height:1.7;color:var(--bt-catalog-muted);max-width:780px;margin:0}
.bt-catalog-outline{display:inline-flex;align-items:center;gap:20px;flex-shrink:0;padding:14px 20px;border:1px solid #c8d9ef;border-radius:10px;background:#fff;color:var(--bt-catalog-blue)!important;font-size:13px;font-weight:700}
.bt-catalog-outline:hover{background:#eef5ff;border-color:var(--bt-catalog-blue)}
.bt-catalog-jump{display:flex;flex-wrap:wrap;gap:12px;margin-top:25px}
.bt-catalog-jump a{display:inline-flex;align-items:center;gap:12px;border:1px solid #dfe8f4;border-radius:999px;background:#f6f9ff;padding:10px 16px;font-size:13px;font-weight:700}
.bt-catalog-jump a:hover{color:var(--bt-catalog-blue);border-color:#8dbcf7;background:#eef5ff}
.bt-catalog-jump span{font-size:11px;font-weight:800;padding:2px 7px;border-radius:999px;background:#e1edff;color:var(--bt-catalog-blue)}
.bt-catalog-content{padding:48px 0 72px}
.bt-category-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:34px;align-items:start}
.bt-category-sidebar{position:sticky;top:100px}
.bt-category-navigation{background:#fff;border:1px solid #e0e8f2;border-radius:16px;padding:24px}
.bt-category-navigation h2{font-size:21px;font-weight:800;margin:0 0 18px;letter-spacing:-.025em}
.bt-category-navigation nav{display:flex;flex-direction:column;gap:2px}
.bt-category-navigation nav a{display:flex;justify-content:space-between;gap:12px;border-radius:8px;padding:11px 10px;font-size:13px;font-weight:600;line-height:1.4;color:#566982}
.bt-category-navigation nav a:hover,.bt-category-navigation nav a[aria-current=page]{background:#edf5ff;color:var(--bt-catalog-blue)}
.bt-catalog-help{display:flex;flex-direction:column;gap:9px;padding:24px;margin-top:20px;border-radius:16px;background:#072548;color:#fff!important}
.bt-catalog-help strong{font-size:16px;line-height:1.4}
.bt-catalog-help>span{font-size:13px;line-height:1.7;color:#c3d4ed}
.bt-catalog-help .bt-catalog-help-link{color:#fff;font-weight:700;margin-top:8px}
.bt-catalog-help-link span{margin-left:12px}
.bt-catalog-group{margin-bottom:52px;scroll-margin-top:110px}
.bt-catalog-section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:23px}
.bt-catalog-section-head h2{font-size:clamp(22px,2vw,29px);line-height:1.3;font-weight:800;letter-spacing:-.035em;margin:0;color:var(--bt-catalog-ink)}
.bt-catalog-count{font-size:12px;color:var(--bt-catalog-muted);padding-bottom:4px;white-space:nowrap}
.bt-catalog-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.bt-catalog-card{overflow:hidden;border:1px solid #dee7f2;border-radius:17px;background:#fff;box-shadow:0 8px 22px rgba(29,65,105,.045);transition:transform .2s ease,box-shadow .2s ease}
.bt-catalog-card:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(29,65,105,.11)}
.bt-catalog-card-image{display:block;position:relative;overflow:hidden;aspect-ratio:1.5;background:#dce8f3}
.bt-catalog-card-image img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .4s ease}
.bt-catalog-card:hover .bt-catalog-card-image img{transform:scale(1.035)}
.bt-catalog-image-label{position:absolute;left:15px;bottom:14px;border-radius:6px;padding:6px 9px;background:rgba(255,255,255,.94);color:#173d69;font-size:10px;font-weight:800;letter-spacing:.025em;box-shadow:0 2px 8px #07254812}
.bt-catalog-card-body{padding:21px;display:flex;flex-direction:column;min-height:213px}
.bt-catalog-card-body .bt-catalog-kicker{font-size:9px;margin-bottom:8px}
.bt-catalog-card h3{font-size:17px;font-weight:800;line-height:1.4;letter-spacing:-.025em;margin:0 0 12px;color:var(--bt-catalog-ink)}
.bt-catalog-card h3 a:hover{color:var(--bt-catalog-blue)}
.bt-catalog-card-body p{font-size:12px;line-height:1.7;color:var(--bt-catalog-muted);margin:0 0 20px}
.bt-catalog-card-bottom{display:flex;justify-content:space-between;align-items:center;gap:10px;padding-top:15px;margin-top:auto;border-top:1px solid #e9eef6}
.bt-catalog-card-bottom>strong{font-size:20px;line-height:1.3;letter-spacing:-.04em;color:var(--bt-catalog-ink)}
.bt-catalog-card-action{display:inline-flex;align-items:center;justify-content:space-between;gap:14px;color:var(--bt-catalog-blue)!important;font-size:12px;font-weight:800;line-height:1.6}
.bt-catalog-card-action:hover{text-decoration:underline}
.bt-category-card .bt-catalog-card-action{border-top:1px solid #e9eef6;padding-top:15px;margin-top:auto}
.bt-catalog-empty{padding:38px;background:#fff;border:1px solid #e0e8f2;border-radius:16px}
.bt-catalog-empty h2{font-size:24px;font-weight:800;line-height:1.4;letter-spacing:-.03em;margin-bottom:14px}
.bt-catalog-empty p{font-size:14px;line-height:1.8;color:var(--bt-catalog-muted);margin-bottom:22px}
.bt-catalog-pagination:empty{display:none}
.bt-catalog-pagination .pagination{margin:0;gap:6px;justify-content:center}
.bt-catalog-pagination .page-link{border-radius:8px!important;border-color:#dae5f2;color:#406284;padding:10px 15px;font-size:13px}
.bt-catalog-pagination .page-item.active .page-link{background:var(--bt-catalog-blue);border-color:var(--bt-catalog-blue);color:#fff}
.bt-detail-intro{max-width:1040px}
.bt-detail-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px 22px;margin-top:22px;color:#5c708a;font-size:12px;line-height:1.6}
.bt-detail-meta span+span:before{content:"•";color:#aebfd2;padding-right:18px}
.bt-course-detail .bt-catalog-content>.bt-catalog-container>.row{margin-left:-16px;margin-right:-16px}
.bt-course-detail .bt-catalog-content>.bt-catalog-container>.row>[class*=col-]{padding-left:16px;padding-right:16px}
.bt-course-detail .bt-detail-panel{padding:30px!important;background:#fff;border:1px solid #e0e8f2;border-radius:16px!important;box-shadow:0 8px 22px rgba(29,65,105,.025);margin-bottom:28px}
.bt-course-detail .bt-detail-panel h3{font-size:25px!important;line-height:1.4;letter-spacing:-.035em;font-weight:800!important;color:var(--bt-catalog-ink)}
.bt-course-detail .bt-detail-panel p,.bt-course-detail .bt-detail-panel li{font-size:14px;line-height:1.9;color:#546880}
.bt-course-detail .bt-detail-panel img{max-width:100%;height:auto}
.bt-course-detail .bt-detail-panel table{max-width:100%}
.bt-course-detail .bt-detail-panel .generic-accordion .card{border:1px solid #e0e8f2;border-radius:10px;margin-bottom:10px;overflow:hidden}
.bt-course-detail .bt-detail-panel .generic-accordion .card-header{border:0;background:#f7faff}
.bt-course-detail .bt-detail-panel .generic-accordion .card-header .btn{font-size:14px!important;font-weight:700;white-space:normal;text-align:left;line-height:1.6;color:var(--bt-catalog-ink);padding:18px}
.bt-course-detail .bt-detail-panel .generic-accordion .card-body{padding:16px 20px}
.bt-course-detail .bt-detail-panel .generic-list-item li{padding:12px 0;border-bottom:1px solid #edf1f7}
.bt-course-detail .bt-detail-panel .generic-list-item li:last-child{border:0}
.bt-course-detail .bt-detail-panel .generic-list-item a{gap:16px;line-height:1.7}
.bt-course-detail .bt-detail-sidebar{margin-top:0;position:sticky;top:96px}
.bt-course-detail .bt-enrolment-card{border:1px solid #dbe5f3;border-radius:17px;box-shadow:0 10px 30px #173e6d0c;overflow:hidden;padding:0;background:#fff;margin-bottom:26px}
.bt-course-detail .bt-enrolment-card>.card-body{padding:0}
.bt-course-detail .bt-detail-photo>a{display:block;position:relative;aspect-ratio:1.5;overflow:hidden}
.bt-course-detail .bt-detail-photo img{width:100%;height:100%;object-fit:cover;border-radius:0!important;display:block}
.bt-course-detail .bt-detail-photo .preview-course-video-content{inset:0;position:absolute;transform:none;width:100%;height:100%;padding:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.bt-course-detail .bt-detail-photo .preview-course-video-content>.overlay{background:linear-gradient(0deg,#07254877,#07254816)}
.bt-course-detail .bt-detail-photo .play-button{width:60px;height:60px;position:relative;z-index:1}
.bt-course-detail .bt-detail-photo .preview-course-video-content p{position:relative;z-index:1;font-size:12px!important}
.bt-course-detail .bt-enrolment-body{padding:27px!important}
.bt-course-detail .bt-enrolment-body .fs-20{font-size:30px!important;line-height:1.35;font-weight:800!important;letter-spacing:-.045em}
.bt-course-detail .bt-enrolment-body [style*="line-through"]{font-size:18px!important;font-weight:500!important;color:#75859a!important}
.bt-course-detail .theme-btn{background:var(--bt-catalog-blue);color:#fff;border:1px solid var(--bt-catalog-blue);border-radius:9px;box-shadow:none;font-size:13px;font-weight:700;line-height:1.6;padding:14px 18px;min-height:48px}
.bt-course-detail .theme-btn:hover{background:#034fc0;color:#fff;border-color:#034fc0}
.bt-course-detail .bt-related-card{border:0;border-top:1px solid #e1e9f3;border-radius:0;margin:0;box-shadow:none}
.bt-course-detail .bt-related-card>.card-body{padding:26px}
.bt-course-detail .bt-related-card .card-title{font-size:19px!important;font-weight:800;letter-spacing:-.03em}
.bt-course-detail .bt-related-card .divider{display:none}
.bt-course-detail .bt-related-card .media-card{gap:14px;margin-top:17px;margin-bottom:18px!important;padding-bottom:18px!important}
.bt-course-detail .bt-related-card .media-img{width:100px;height:76px;flex:0 0 100px;margin-right:0;overflow:hidden;border-radius:9px}
.bt-course-detail .bt-related-card .media-img img{width:100%;height:100%;object-fit:cover;margin:0!important;display:block}
.bt-course-detail .bt-related-card .media-body h5{font-size:12px!important;font-weight:700;line-height:1.55}
.bt-course-detail .bt-related-card .media-body>span{font-size:10px!important;color:#6f8196}
.bt-course-detail .bt-related-card .media-body>p{font-size:13px!important;margin-top:5px}
.bt-catalog-total{display:flex;align-items:baseline;gap:9px;background:#edf5ff;border:1px solid #dceaff;border-radius:12px;padding:17px 22px;font-size:13px;color:#56769a;white-space:nowrap}
.bt-catalog-total strong{font-size:31px;font-weight:800;line-height:1;color:var(--bt-catalog-blue);letter-spacing:-.05em}
.bt-resource-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:48px;align-items:start}
.bt-resource-accordion .card{margin:0 0 14px;border:1px solid #dee7f2;border-radius:13px;overflow:hidden;box-shadow:0 3px 14px #173e6d03;background:#fff}
.bt-resource-accordion .card-header{padding:0;background:#fff;border:0}
.bt-resource-accordion .card-header .btn{width:100%;white-space:normal;text-align:left;gap:16px;padding:21px;color:var(--bt-catalog-ink);font-size:15px;line-height:1.5;text-decoration:none!important}
.bt-resource-file-mark{display:flex;align-items:center;justify-content:center;flex:0 0 42px;width:42px;height:46px;border:1px solid #d6e7ff;border-radius:9px;background:#edf5ff;font-size:12px;font-weight:800;color:var(--bt-catalog-blue)}
.bt-resource-file-name{flex:1;font-weight:700}
.bt-resource-expand{font-size:21px;color:var(--bt-catalog-blue);flex-shrink:0}
.bt-resource-accordion .card-body{border-top:1px solid #edf1f6;padding:24px 28px 28px}
.bt-resource-description{font-size:14px;line-height:1.9;color:#526983;margin-bottom:20px}
.bt-resource-description img{max-width:100%;height:auto}
.bt-resource-description p:last-child{margin-bottom:0}
.bt-resource-description a{color:var(--bt-catalog-blue);text-decoration:underline}
.bt-resource-accordion .btn-outline-success{display:inline-flex;align-items:center;gap:10px;background:var(--bt-catalog-blue);border-color:var(--bt-catalog-blue);color:#fff;border-radius:9px;font-size:12px;font-weight:700;padding:12px 17px}
.bt-resource-accordion .btn-outline-success:hover{background:#034fc0;border-color:#034fc0;color:#fff}
.bt-resource-aside{border-radius:17px;overflow:hidden;background:#fff;border:1px solid #e0e8f2;box-shadow:0 8px 24px #173e6d06}
.bt-resource-cover{width:100%;height:310px;object-fit:cover;display:block}
.bt-resource-aside-copy{padding:27px}
.bt-resource-aside-copy h2{font-size:26px;line-height:1.25;font-weight:800;letter-spacing:-.04em;margin:0 0 16px}
.bt-resource-aside-copy p{font-size:13px;line-height:1.8;color:var(--bt-catalog-muted);margin:0 0 22px}
.bt-resource-aside .bt-catalog-help{border-radius:0;margin:0;padding:27px}
.bt-resource-document{padding:10px;background:#fff;border:1px solid #dce5ef;border-radius:15px;box-shadow:0 12px 32px #173e6d09;overflow:hidden}
.bt-resource-document iframe{display:block;width:100%;min-height:70vh;border:0;border-radius:7px;background:#f1f4f8}
.bt-resource-reader-note{font-size:12px;color:#6e8199;margin:18px 0 0;text-align:center;line-height:1.7}
@media(min-width:1700px){.bt-catalog-page .bt-container,.bt-catalog-page .bt-catalog-container{max-width:1580px}.bt-category-layout{grid-template-columns:250px minmax(0,1fr);gap:42px}.bt-catalog-grid{gap:27px}.bt-catalog-card-body{padding:25px}.bt-catalog-card h3{font-size:19px}.bt-catalog-card-body p{font-size:13px}}
@media(max-width:1199px){.bt-catalog-page .bt-container,.bt-catalog-page .bt-catalog-container{width:calc(100% - 52px)}.bt-category-layout{grid-template-columns:205px minmax(0,1fr);gap:24px}.bt-category-navigation{padding:21px 16px}.bt-catalog-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.bt-resource-layout{grid-template-columns:minmax(0,1fr) 290px;gap:30px}.bt-course-detail .bt-detail-panel{padding:24px!important}.bt-course-detail .bt-related-card>.card-body{padding:22px}.bt-course-detail .bt-related-card .media-img{width:75px;flex-basis:75px;height:68px}}
@media(max-width:991px){.bt-category-layout{grid-template-columns:1fr}.bt-category-sidebar{position:static}.bt-category-navigation{padding:22px}.bt-category-navigation h2{font-size:19px;margin-bottom:13px}.bt-category-navigation nav{flex-direction:row;overflow-x:auto;gap:7px;scrollbar-width:thin}.bt-category-navigation nav a{white-space:nowrap;border:1px solid #e6edf6;padding:9px 12px}.bt-category-navigation nav a>span{display:none}.bt-category-sidebar>.bt-catalog-help{display:none}.bt-catalog-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.bt-catalog-card-body{padding:19px}.bt-catalog-card h3{font-size:16px}.bt-catalog-content{padding-top:34px}.bt-resource-layout{grid-template-columns:1fr}.bt-resource-aside{display:grid;grid-template-columns:200px 1fr}.bt-resource-cover{height:100%;min-height:260px}.bt-resource-aside-copy{padding:28px}.bt-resource-aside .bt-catalog-help{display:none}.bt-course-detail .bt-detail-sidebar{position:static}.bt-course-detail .bt-enrolment-card{max-width:700px}.bt-course-detail .bt-detail-photo>a{aspect-ratio:1.8}.bt-course-detail .bt-related-card .media-img{width:105px;flex-basis:105px;height:76px}.bt-course-detail .bt-related-card .media-body h5{font-size:14px!important}}
@media(max-width:767px){.bt-catalog-page .bt-container,.bt-catalog-page .bt-catalog-container{width:calc(100% - 36px)}.bt-catalog-heading{padding:22px 0 27px}.bt-catalog-breadcrumb{font-size:11px;gap:7px;margin-bottom:17px}.bt-catalog-heading h1{font-size:32px;line-height:1.2}.bt-catalog-kicker{font-size:10px}.bt-catalog-lead{font-size:14px;line-height:1.75}.bt-catalog-heading-row{align-items:start;flex-direction:column;gap:20px}.bt-catalog-outline{font-size:12px;padding:12px 15px}.bt-catalog-jump{gap:8px;margin-top:22px}.bt-catalog-jump a{font-size:11px;padding:9px 12px;gap:8px}.bt-catalog-content{padding:28px 0 48px}.bt-catalog-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:17px}.bt-catalog-card-image{aspect-ratio:1.35}.bt-catalog-card-body{padding:17px;min-height:218px}.bt-catalog-card h3{font-size:16px}.bt-catalog-card-body p{font-size:11px}.bt-catalog-card-bottom{align-items:start;flex-direction:column;gap:12px}.bt-catalog-card-bottom>strong{font-size:20px}.bt-catalog-image-label{left:10px;bottom:10px;font-size:9px;padding:5px 7px}.bt-catalog-section-head{gap:13px;margin-bottom:19px}.bt-catalog-section-head h2{font-size:23px}.bt-catalog-count{font-size:10px}.bt-catalog-group{margin-bottom:34px}.bt-category-navigation{padding:20px}.bt-category-layout{gap:27px}.bt-catalog-total{padding:13px 17px;font-size:12px}.bt-catalog-total strong{font-size:26px}.bt-detail-meta{font-size:11px;gap:8px 16px}.bt-detail-meta span+span:before{padding-right:10px}.bt-course-detail .bt-detail-panel{padding:22px!important;border-radius:13px!important}.bt-course-detail .bt-detail-panel h3{font-size:22px!important}.bt-course-detail .bt-detail-panel p,.bt-course-detail .bt-detail-panel li{font-size:13px}.bt-course-detail .bt-detail-panel .generic-accordion .card-header .btn{padding:15px;font-size:12px!important}.bt-course-detail .bt-detail-panel .generic-accordion .card-body{padding:12px 15px}.bt-course-detail .bt-enrolment-body{padding:23px!important}.bt-resource-accordion .card-header .btn{padding:17px;gap:12px;font-size:13px}.bt-resource-file-mark{width:35px;flex-basis:35px;height:41px;font-size:10px}.bt-resource-accordion .card-body{padding:20px}.bt-resource-aside{grid-template-columns:145px minmax(0,1fr)}.bt-resource-cover{min-height:265px}.bt-resource-aside-copy{padding:21px}.bt-resource-aside-copy h2{font-size:22px}.bt-resource-aside-copy p{font-size:12px}.bt-resource-document{padding:5px;border-radius:10px}.bt-resource-document iframe{height:70vh!important;min-height:540px}}
@media(max-width:480px){.bt-catalog-grid{grid-template-columns:1fr;gap:22px}.bt-catalog-card-image{aspect-ratio:1.6}.bt-catalog-card-body{padding:23px;min-height:0}.bt-catalog-card h3{font-size:20px}.bt-catalog-card-body p{font-size:13px}.bt-catalog-card-body .bt-catalog-kicker{font-size:10px}.bt-catalog-card-bottom{flex-direction:row;align-items:center}.bt-catalog-card-action{font-size:12px}.bt-catalog-image-label{left:15px;bottom:15px;font-size:10px;padding:6px 9px}.bt-resource-aside{display:block}.bt-resource-cover{height:250px;min-height:0}.bt-resource-aside-copy{padding:25px}.bt-resource-aside-copy h2{font-size:27px}.bt-catalog-empty{padding:28px}.bt-catalog-empty h2{font-size:22px}}
@media(prefers-reduced-motion:reduce){.bt-catalog-card,.bt-catalog-card-image img{transition:none}.bt-catalog-card:hover{transform:none}.bt-catalog-card:hover .bt-catalog-card-image img{transform:none}}