.btb-wrap{--bt-primary:#23AAE1;--bt-accent:#6D6E72;--bt-dark:#1E2530;--bt-card-bg:#FFFFFF;--bt-page-bg:#F4F7FA;--bt-border:#CED5DC;--bt-text:#1E2530;--bt-muted:#5A6472;--bt-radius:8px;--bt-radius-lg:12px;--bt-shadow:0 2px 12px rgba(30,37,48,.08);--bt-shadow-hover:0 6px 24px rgba(30,37,48,.14);--bt-font:'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;--bt-font-display:'Playfair Display', Georgia, serif;background:var(--bt-page-bg);padding:0;font-family:var(--bt-font)}.btb-section-header{text-align:center;margin-bottom:36px;padding-bottom:28px;border-bottom:1px solid var(--bt-border)}.btb-section-title{font-family:var(--bt-font-display);font-size:clamp(1.6rem, 3vw, 2.2rem);font-weight:700;color:var(--bt-dark);margin:0 0 10px;line-height:1.2}.btb-section-subtitle{font-size:1rem;color:var(--bt-muted);margin:0;max-width:560px;margin:0 auto;line-height:1.6}.btb-controls{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-bottom:28px}.btb-filter-bar{display:flex;flex-wrap:wrap;gap:6px}.btb-filter-btn{display:inline-block;font-family:var(--bt-font);font-size:.82rem;font-weight:600;padding:6px 16px;border-radius:100px;border:1.5px solid var(--bt-border);color:var(--bt-muted);text-decoration:none;transition:all .18s;background:var(--bt-card-bg)}.btb-filter-btn:hover{border-color:var(--bt-primary);color:var(--bt-primary)}.btb-filter-btn.active{background:var(--bt-primary);border-color:var(--bt-primary);color:#fff}.btb-search-form{display:flex;gap:0;border:1.5px solid var(--bt-border);border-radius:var(--bt-radius);overflow:hidden;background:var(--bt-card-bg);transition:border-color .18s}.btb-search-form:focus-within{border-color:var(--bt-primary)}.btb-search-input{border:none;outline:none;padding:9px 14px;font-family:var(--bt-font);font-size:.88rem;color:var(--bt-text);background:#fff0;min-width:180px;flex:1}.btb-search-btn{background:var(--bt-primary);border:none;cursor:pointer;padding:0 14px;color:#fff;display:flex;align-items:center;transition:background .18s}.btb-search-btn:hover{background:var(--bt-accent)}.btb-grid{display:grid;gap:24px}.btb-layout-grid-3{grid-template-columns:repeat(3,1fr)}.btb-layout-grid-2{grid-template-columns:repeat(2,1fr)}.btb-layout-masonry{grid-template-columns:repeat(3,1fr)}.btb-layout-list{grid-template-columns:1fr}.btb-layout-minimal{grid-template-columns:1fr;gap:0}@media (max-width:900px){.btb-layout-grid-3{grid-template-columns:repeat(2,1fr)}.btb-layout-masonry{grid-template-columns:repeat(2,1fr)}}@media (max-width:600px){.btb-layout-grid-3,.btb-layout-grid-2,.btb-layout-masonry{grid-template-columns:1fr}.btb-controls{flex-direction:column;align-items:stretch}.btb-search-form{width:100%}}.btb-card--standard{background:var(--bt-card-bg);border:1px solid var(--bt-border);border-radius:var(--bt-radius-lg);overflow:hidden;display:flex;flex-direction:column;text-decoration:none;color:inherit;transition:box-shadow .22s,transform .22s}.btb-card--standard:hover{box-shadow:var(--bt-shadow-hover);transform:translateY(-3px);border-color:rgb(35 170 225 / .3)}.btb-card-img-link{display:block;text-decoration:none}.btb-card-img{width:100%;overflow:hidden;position:relative;flex-shrink:0}.btb-card-img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .3s}.btb-card--standard:hover .btb-card-img img{transform:scale(1.04)}.btb-img-rounded .btb-card-img{border-radius:var(--bt-radius-lg) var(--bt-radius-lg) 0 0}.btb-img-sharp .btb-card-img{border-radius:0}.btb-img-circle .btb-card-img{width:80px;height:80px!important;border-radius:50%;margin:20px auto 0}.btb-card-img-placeholder{width:100%;height:100%;background:linear-gradient(135deg,#E8EDF2 0%,#CED5DC 100%);display:flex;align-items:center;justify-content:center;font-size:48px}.btb-placeholder-large{font-size:72px}.btb-card-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}.btb-card-meta{display:flex;align-items:center;flex-wrap:wrap;gap:6px;margin-bottom:10px;font-size:.75rem}.btb-badge{display:inline-block;font-size:.72rem;font-weight:700;padding:3px 10px;border-radius:100px;background:rgb(35 170 225 / .12);color:var(--bt-primary);border:1px solid rgb(35 170 225 / .2);text-decoration:none;letter-spacing:.03em;transition:background .15s}.btb-badge:hover{background:var(--bt-primary);color:#fff}.btb-badge-lg{font-size:.78rem;padding:4px 14px}.btb-meta-date,.btb-meta-read{color:var(--bt-muted)}.btb-meta-sep{color:var(--bt-border)}.btb-card-title{font-family:var(--bt-font-display);font-size:1.05rem;font-weight:700;line-height:1.3;margin:0 0 10px;color:var(--bt-dark)}.btb-card-title a{color:inherit;text-decoration:none;transition:color .15s}.btb-card-title a:hover{color:var(--bt-primary)}.btb-card-excerpt{font-size:.875rem;color:var(--bt-muted);line-height:1.65;margin:0 0 14px;flex:1}.btb-card-author{display:flex;align-items:center;gap:8px;font-size:.8rem;color:var(--bt-muted);margin-bottom:12px}.btb-card-author img{border-radius:50%}.btb-read-more{font-size:.82rem;font-weight:700;color:var(--bt-primary);text-decoration:none;display:inline-flex;align-items:center;gap:4px;margin-top:auto;transition:gap .15s}.btb-read-more:hover{gap:8px;color:var(--bt-accent)}.btb-read-more-lg{font-size:.9rem}.btb-card--list{background:var(--bt-card-bg);border:1px solid var(--bt-border);border-radius:var(--bt-radius-lg);display:flex;flex-direction:row;overflow:hidden;transition:box-shadow .22s,transform .22s}.btb-card--list:hover{box-shadow:var(--bt-shadow-hover);transform:translateY(-2px)}.btb-list-img-wrap{flex-shrink:0;text-decoration:none}.btb-list-img{width:220px;height:100%;overflow:hidden}.btb-list-img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .3s}.btb-card--list:hover .btb-list-img img{transform:scale(1.04)}@media (max-width:600px){.btb-card--list{flex-direction:column}.btb-list-img{width:100%;height:180px}}.btb-card--minimal{padding:22px 0;border-bottom:1px solid var(--bt-border);display:flex;flex-direction:column}.btb-card--minimal:first-child{border-top:1px solid var(--bt-border)}.btb-card--minimal .btb-card-title{font-size:1.15rem;margin-bottom:8px}.btb-minimal-footer{display:flex;align-items:center;justify-content:space-between;margin-top:10px}.btb-magazine{display:flex;flex-direction:column;gap:28px}.btb-magazine-featured{display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:center;background:var(--bt-card-bg);border:1px solid var(--bt-border);border-radius:var(--bt-radius-lg);overflow:hidden;transition:box-shadow .22s}.btb-magazine-featured:hover{box-shadow:var(--bt-shadow-hover)}.btb-mag-img-link{display:block;text-decoration:none}.btb-mag-img{width:100%;height:380px;overflow:hidden}.btb-mag-img img{width:100%;height:100%;object-fit:cover;transition:transform .3s}.btb-magazine-featured:hover .btb-mag-img img{transform:scale(1.03)}.btb-mag-body{padding:32px 32px 32px 0}.btb-mag-title{font-family:var(--bt-font-display);font-size:clamp(1.3rem, 2.5vw, 1.9rem);font-weight:700;line-height:1.2;color:var(--bt-dark);margin:12px 0 14px}.btb-mag-title a{color:inherit;text-decoration:none}.btb-mag-title a:hover{color:var(--bt-primary)}.btb-mag-excerpt{font-size:.95rem;color:var(--bt-muted);line-height:1.7;margin-bottom:20px}.btb-magazine-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}@media (max-width:900px){.btb-magazine-featured{grid-template-columns:1fr}.btb-mag-img{height:260px}.btb-mag-body{padding:24px}.btb-magazine-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:600px){.btb-magazine-grid{grid-template-columns:1fr}}.btb-pagination{margin-top:40px;display:flex;justify-content:center}.btb-pagination .page-numbers{display:inline-flex}.btb-pagination .page-numbers li a,.btb-pagination .page-numbers li span{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;margin:0 3px;border:1.5px solid var(--bt-border);border-radius:var(--bt-radius);font-family:var(--bt-font);font-size:.85rem;font-weight:600;color:var(--bt-muted);text-decoration:none;transition:all .15s;background:var(--bt-card-bg)}.btb-pagination .page-numbers li a:hover{border-color:var(--bt-primary);color:var(--bt-primary)}.btb-pagination .page-numbers li span.current{background:var(--bt-primary);border-color:var(--bt-primary);color:#fff}.btb-pagination .page-numbers li a.prev,.btb-pagination .page-numbers li a.next{width:auto;padding:0 14px}.btb-prev-next{display:flex;gap:12px}.btb-prev-next a{font-family:var(--bt-font);font-size:.85rem;font-weight:600;color:var(--bt-primary);text-decoration:none;padding:9px 18px;border:1.5px solid var(--bt-primary);border-radius:var(--bt-radius);transition:all .15s}.btb-prev-next a:hover{background:var(--bt-primary);color:#fff}.btb-no-posts{text-align:center;padding:60px 20px;color:var(--bt-muted);font-size:.95rem}.btb-no-posts svg{display:block;margin:0 auto 16px}.btb-btn-reset{display:inline-block;margin-top:16px;font-size:.85rem;font-weight:600;color:var(--bt-primary);border:1.5px solid var(--bt-primary);padding:8px 20px;border-radius:var(--bt-radius);text-decoration:none;transition:all .15s}.btb-btn-reset:hover{background:var(--bt-primary);color:#fff}