*{margin:0;padding:0;box-sizing:border-box;font-family:'Segoe UI','Roboto',sans-serif}
body{background:#eef2f8;padding:1.5rem}
.vat-container{max-width:1100px;margin:0 auto}
.vat-header{background:linear-gradient(135deg,#0f3b4c,#1b6b87);color:#fff;padding:1.1rem 1.5rem;border-radius:16px;margin-bottom:1.8rem}
.vat-logo{font-size:1.2rem;font-weight:600}
.vat-search{background:#fff;border-radius:12px;border:1px solid #dce5ec;padding:.8rem 1.2rem;display:flex;gap:10px;align-items:center;margin-bottom:1.5rem}
.vat-search input{flex:1;border:none;outline:none;font-size:.9rem}
.vat-questions{display:flex;flex-direction:column;gap:1.5rem}
.vat-question-card{background:#fff;border-radius:16px;border:1px solid #dce5ec;overflow:hidden}
.vat-card-header{background:linear-gradient(95deg,#f8fafd,#f1f5f9);padding:1rem 1.5rem;cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:background .2s}
.vat-card-header:hover{background:linear-gradient(95deg,#eef2f6,#e8ecf0)}
.vat-header-left{flex:1}
.vat-title-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.vat-badge{background:#e1f5ee;color:#0f6e56;padding:4px 12px;border-radius:20px;font-size:.75rem;font-weight:700;display:inline-block}
.vat-q-title{font-size:1rem;font-weight:600;color:#1a5d6e}
.vat-tags{display:flex;gap:6px;margin-top:8px;flex-wrap:wrap}
.vat-tag{padding:.2rem .6rem;border-radius:20px;font-size:.7rem;font-weight:600}
.vat-tag-img{background:#dcfce7;color:#166534}
.vat-tag-pdf{background:#dbeafe;color:#1e40af}
.vat-tag-vid{background:#fce7f3;color:#9d174d}
.vat-tag-yt{background:#fef3c7;color:#92400e}
.vat-toggle-icon{font-size:1.2rem;color:#1b6b87;transition:transform .2s}
.vat-card-body{padding:1.4rem;display:flex;flex-direction:column;gap:1.2rem;border-top:1px solid #edf2f7}
.vat-section{font-size:.72rem;text-transform:uppercase;font-weight:700;color:#5f8b9c;margin-bottom:.5rem;display:flex;align-items:center;gap:6px}
.vat-section::before{content:'';display:block;width:3px;height:14px;background:#2c9b7b;border-radius:2px}
.vat-q-text{background:#f8fafc;padding:1rem;border-radius:8px;line-height:1.7;white-space:pre-wrap;font-size:.9rem;color:#333;border:1px solid #edf2f7}
.vat-note{background:#fffbeb;padding:1rem;border-radius:8px;border-left:4px solid #f59e0b;white-space:pre-wrap;line-height:1.7;font-size:.9rem;color:#78350f}
.vat-images{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}
.vat-image{max-width:180px;border:1px solid #ddd;border-radius:8px;overflow:hidden}
.vat-image img{width:100%;height:130px;object-fit:cover;cursor:pointer}
.vat-img-name{font-size:.68rem;padding:4px 6px;text-align:center;background:#eef2f5}
.vat-pdf-buttons,.vat-video-buttons{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}
.vat-pdf-show-btn,.vat-video-show-btn{background:#2271b1;color:#fff;border:none;border-radius:6px;padding:8px 16px;font-size:.8rem;cursor:pointer}
.vat-pdf-show-btn:hover,.vat-video-show-btn:hover{background:#135e96}
.vat-pdf-viewer,.vat-video-viewer{margin-top:10px;border-radius:12px;overflow:hidden;border:1px solid #dce5ec}
.vat-pdf-toolbar,.vat-video-toolbar{background:#e8f0f4;padding:5px 10px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:5px}
.vat-pdf-btns,.vat-video-btns{display:flex;gap:5px}
.vat-pdf-btn,.vat-vid-btn{background:#d0e4ef;border:none;border-radius:4px;padding:3px 9px;font-size:.7rem;color:#1b6b87;cursor:pointer}
.vat-pdf-btn:hover,.vat-vid-btn:hover{background:#b8d4e8}
.vat-pdf-close,.vat-video-close{background:#c73e3e;color:#fff;border:none;border-radius:4px;padding:3px 9px;font-size:.7rem;cursor:pointer}
.vat-pdf-inner{overflow:hidden;transition:height .2s ease;height:500px}
.vat-pdf-inner iframe{width:100%;height:100%;border:none}
.vat-pdf-handle,.vat-video-handle{height:12px;background:#c8dae5;cursor:ns-resize;display:flex;align-items:center;justify-content:center}
.vat-pdf-handle::after,.vat-video-handle::after{content:"⋯";font-size:16px;color:#5f8b9c;letter-spacing:4px}
.vat-video-inner{overflow:hidden;transition:height .2s ease;height:360px}
.vat-video-inner video{width:100%;height:100%;display:block;background:#000;object-fit:contain}
.vat-youtube{display:flex;flex-direction:column;gap:12px;margin-top:8px}
.vat-yt-card{background:#fff5f5;border:1px solid #fecaca;border-radius:10px;padding:11px 14px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.vat-yt-card:hover{background:#fee2e2}
.vat-yt-thumb{width:96px;height:54px;object-fit:cover;border-radius:6px}
.vat-yt-info{flex:1;min-width:150px}
.vat-yt-title{font-size:.84rem;font-weight:600;color:#991b1b}
.vat-yt-url{font-size:.7rem;color:#b91c1c;word-break:break-all}
.vat-yt-play{width:36px;height:36px;background:#ff0000;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer}
.vat-yt-play:hover{transform:scale(1.05)}
.vat-yt-play::after{content:'';border-style:solid;border-width:8px 0 8px 14px;border-color:transparent transparent transparent white;margin-left:3px}
.vat-yt-btn{background:#ff0000;color:#fff;border:none;border-radius:6px;padding:4px 12px;font-size:.75rem;cursor:pointer}
.vat-yt-link{background:#ff0000;color:#fff;border-radius:5px;padding:4px 10px;font-size:.7rem;text-decoration:none}
.vat-yt-player{margin-top:12px;border-radius:12px;overflow:hidden;border:1px solid #fecaca;background:#000;display:none}
.vat-yt-player.open{display:block}
.vat-yt-toolbar{background:#111;padding:6px 12px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:5px}
.vat-yt-size{background:rgba(255,255,255,.15);color:#fff;border:1px solid rgba(255,255,255,.25);border-radius:4px;padding:3px 10px;font-size:.7rem;cursor:pointer}
.vat-yt-close{background:#555;color:#fff;border:none;border-radius:4px;padding:3px 10px;font-size:.7rem;cursor:pointer}
.vat-yt-inner{overflow:hidden;transition:height .2s ease;height:360px}
.vat-yt-inner iframe{width:100%;height:100%;border:none}
.vat-yt-handle{height:12px;background:#1a1a1a;cursor:ns-resize;display:flex;align-items:center;justify-content:center}
.vat-yt-handle::after{content:"⋯";font-size:16px;color:#888;letter-spacing:4px}
.vat-no-video{background:#f4f6f9;padding:.8rem 1rem;border-radius:8px;font-size:.82rem;color:#888;text-align:center}
.vat-empty{text-align:center;padding:3rem;background:#fff;border-radius:16px}
.vat-empty-icon{font-size:48px;margin-bottom:1rem}
.vat-lightbox{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.9);z-index:2000;justify-content:center;align-items:center;cursor:zoom-out}
.vat-lightbox.active{display:flex}
.vat-lightbox img{max-width:92%;max-height:92vh;border-radius:12px}
.vat-footer{text-align:center;margin-top:2rem;font-size:.72rem;color:#6c8da3;padding:1rem 0}
@media(max-width:700px){body{padding:.8rem}.vat-image{max-width:150px}.vat-image img{height:110px}}