:root{--primary:#e50914;--primary-hover:#b2070f;--dark-bg:#141414;--dark-card:#1f1f1f;--text-main:#fff;--text-muted:#a3a3a3;--border-color:#333}.site-footer{background:var(--dark-bg);color:var(--text-muted);padding-top:50px;font-family:sans-serif;border-top:2px solid var(--primary);font-size:14px;line-height:1.6}.footer-container{max-width:1200px;margin:0 auto;padding:0 15px;display:grid;grid-template-columns:1fr 1.2fr 1fr;gap:30px}.footer-title{color:#fff;font-size:16px;font-weight:700;margin-bottom:20px;text-transform:uppercase;border-left:3px solid var(--primary);padding-left:10px}.footer-logo img{max-width:100%;height:auto;object-fit:contain}.text-logo{font-size:30px;font-weight:900;color:#fff;text-transform:uppercase}.text-logo span{color:var(--primary)}.brand-slogan{margin-top:15px;font-style:italic;color:#fff;font-size:13px}.support-box{background:var(--dark-card);padding:10px;border-radius:4px;border:1px solid var(--border-color);margin-top:10px}.support-box span{color:var(--primary);font-weight:bold;display:block;margin-bottom:5px}.support-box p{margin:0;font-size:13px}.footer-list{list-style:none;padding:0}.footer-list li{margin-bottom:10px;display:flex;gap:8px;align-items:flex-start}.footer-list li i{color:var(--primary);margin-top:4px;flex-shrink:0}.footer-list strong{color:#fff}.footer-bottom{background:#000;padding:15px 0;margin-top:40px;border-top:1px solid var(--border-color);font-size:13px}.flex-between{display:flex;justify-content:space-between;align-items:center;grid-template-columns:none}.seo-tagline{color:#666}.fixed-sidebar-left{position:fixed;top:20%;left:20px;z-index:100;width:240px}.vm-support-widget{background:rgba(20,20,20,0.95);backdrop-filter:blur(10px);border:1px solid #333;border-radius:12px;padding:16px 12px;box-shadow:0 10px 30px rgba(0,0,0,0.6);position:relative;overflow:hidden;font-family:'Segoe UI',sans-serif}.vm-support-widget::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,transparent,#e50914,transparent);box-shadow:0 0 15px #e50914}.vm-support-header{text-align:center;margin-bottom:12px}.vm-avatar-box{position:relative;width:50px;height:50px;margin:0 auto 8px}.vm-avatar-img{width:100%;height:100%;object-fit:cover;border-radius:50%;border:2px solid #333;padding:2px;background:#1f1f1f}.vm-status-dot{position:absolute;bottom:2px;right:2px;width:12px;height:12px;background:#22c55e;border:2px solid #141414;border-radius:50%;box-shadow:0 0 10px #22c55e;animation:pulse 2s infinite}@keyframes pulse{0%{transform:scale(0.95);box-shadow:0 0 0 0 rgba(34,197,94,0.7)}70%{transform:scale(1);box-shadow:0 0 0 6px rgba(34,197,94,0)}100%{transform:scale(0.95);box-shadow:0 0 0 0 rgba(34,197,94,0)}}.vm-widget-title{color:#fff;font-size:14px;font-weight:800;margin:0 0 4px;text-transform:uppercase}.vm-widget-desc{color:#aaa;font-size:11px;line-height:1.4;margin:0}.highlight{color:#e50914;font-weight:bold}.vm-support-actions{display:flex;flex-direction:column;gap:6px}.vm-btn{display:flex;align-items:center;padding:6px 10px;border-radius:8px;text-decoration:none;transition:all .3s;border:1px solid transparent;background:#1f1f1f}.vm-btn:hover{transform:translateX(5px);box-shadow:0 5px 15px rgba(0,0,0,0.3);background:#2a2a2a}.vm-icon{width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:6px;margin-right:8px;font-size:14px;flex-shrink:0;background:#111}.vm-btn-text{display:flex;flex-direction:column}.vm-btn-text .label{color:#fff;font-weight:700;font-size:12px;line-height:1.2}.vm-btn-text .sub{color:#777;font-size:9px;font-weight:500}.vm-btn-zalo .vm-icon{color:#0068ff}.vm-btn-zalo:hover{border-color:#0068ff}.vm-btn-fb .vm-icon{color:#1877f2}.vm-btn-fb:hover{border-color:#1877f2}.vm-btn-hotline .vm-icon{color:#e50914}.vm-btn-hotline:hover{border-color:#e50914}.vm-toast{position:fixed;bottom:20px;left:20px;z-index:9999;width:300px;background:rgba(20,20,20,0.95);backdrop-filter:blur(10px);border-left:3px solid var(--primary);border-radius:4px;padding:10px;display:flex;gap:10px;color:#fff;opacity:0;visibility:hidden;transform:translateY(20px);transition:all .5s ease;box-shadow:0 5px 15px rgba(0,0,0,0.5)}.vm-toast.active{opacity:1;visibility:visible;transform:translateY(0)}.vm-toast img{width:40px;height:40px;border-radius:4px;object-fit:cover;background:#333}.vm-toast-content{font-size:12px;line-height:1.4;display:flex;flex-direction:column;justify-content:center}.vm-toast-msg b{color:var(--primary)}.dot-live{display:inline-block;width:6px;height:6px;background:#22c55e;border-radius:50%;margin-right:3px}.back-to-top{position:fixed;bottom:30px;right:30px;width:45px;height:45px;background:var(--primary);border:none;border-radius:50%;color:#fff;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(10px);transition:.3s;z-index:99;box-shadow:0 4px 10px rgba(229,9,20,0.4);display:flex;align-items:center;justify-content:center}.back-to-top.show{opacity:1;visibility:visible;transform:translateY(0)}.back-to-top:hover{background:var(--primary-hover);transform:translateY(-3px)}@media (max-width:768px){.footer-container{grid-template-columns:1fr;gap:20px;text-align:center}.footer-title{border-left:none;border-bottom:2px solid var(--primary);display:inline-block;padding-bottom:5px;padding-left:0}.hidden-mobile{display:none!important}.flex-between{flex-direction:column;gap:10px}.footer-list li{justify-content:center}.vm-toast{width:calc(100% - 20px);max-width:320px;left:10px;right:10px;bottom:80px;padding:12px;font-size:11px}.vm-toast img{width:36px;height:36px;flex-shrink:0}.vm-toast-content{font-size:11px;line-height:1.3}.vm-toast-msg{word-break:break-word;overflow-wrap:break-word}}