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.5rem}.b-intro{font-size:1.05rem;color:var(--b-text-muted);margin:0 0 2rem;max-width:72ch}.b-prose{line-height:1.7;color:var(--b-text)}.b-prose p,.b-prose ul,.b-prose ol{margin:0 0 1rem}.b-prose a{color:var(--b-primary);text-decoration:underline}.b-align-left{text-align:left}.b-align-center{text-align:center}.b-align-right{text-align:right}.b-cta{display:inline-flex;align-items:center;gap:.5rem;padding:.85rem 1.5rem;border-radius:10px;font-weight:700;text-decoration:none;transition:transform .15s,box-shadow .15s;white-space:nowrap}.b-cta-primary{background:linear-gradient(135deg,var(--b-accent),var(--b-accent-dark));color:#fff;box-shadow:0 4px 12px #f9dd0e59}.b-cta-primary:hover{transform:translateY(-1px);box-shadow:0 6px 18px #f9dd0e80}.b-cta-secondary{background:var(--b-surface);color:var(--b-primary);border:2px solid var(--b-primary)}.b-cta-secondary:hover{background:var(--b-primary);color:#fff}.b-cta-ghost{color:var(--b-primary);padding:.4rem 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#0000000a}.funnel-logo{display:flex;align-items:center;gap:.6rem;text-decoration:none;color:var(--b-primary);font-weight:800;font-size:1.1rem}.funnel-header-cta{display:flex;gap:.5rem;align-items:center}.funnel-hotline{background:var(--b-accent);color:#fff;padding:.5rem 1rem;border-radius:8px;text-decoration:none;font-weight:700;font-size:1rem}.funnel-zalo{color:var(--b-primary);border:1.5px solid var(--b-primary);padding:.45rem .95rem;border-radius:8px;text-decoration:none;font-weight:600;font-size:1rem}.funnel-footer{background:var(--b-primary-dark);color:#cbd5e1;padding:2.5rem 2rem;text-align:center;font-size:1rem}.funnel-footer strong{color:#fff}.funnel-footer a{color:var(--b-accent)}.funnel-footer-legal{margin-top:1rem;font-size:1rem;opacity:.7}.mobile-sticky-cta{display:none;position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--b-border);padding:.6rem;gap:.5rem;z-index:90;box-shadow:0 -4px 20px #00000014;transition:transform 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var(--b-border)}@media(max-width:768px){.mobile-sticky-cta{display:flex}.funnel-header{padding:.75rem 1rem}.funnel-logo span{display:none}.b-container{padding:0 1rem}}section,article{opacity:1}@media(prefers-reduced-motion:no-preference){section:not(.is-revealed):not(.funnel-footer){opacity:0;transform:translateY(20px);transition:opacity .5s,transform .5s}section.is-revealed{opacity:1;transform:none}}.b-section-header{padding:2rem 0 1rem}.b-two-column{display:grid;gap:2rem;padding:2rem 0}.b-two-column.b-ratio-5050{grid-template-columns:1fr 1fr}.b-two-column.b-ratio-6040{grid-template-columns:6fr 4fr}.b-two-column.b-ratio-7030{grid-template-columns:7fr 3fr}.b-two-column.b-ratio-4060{grid-template-columns:4fr 6fr}.b-two-column.b-ratio-3070{grid-template-columns:3fr 7fr}@media(max-width:768px){.b-two-column{grid-template-columns:1fr!important}.b-two-column.b-reverse-mobile 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.b-title{color:#fff}.b-stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;text-align:center}.b-stat-value{font-size:clamp(1.8rem,3vw,2.75rem);font-weight:900;color:var(--b-accent);line-height:1}.b-stat-label{font-size:1rem;color:#ffffffd9;margin-top:.5rem}.b-stat-note{font-size:1rem;color:#fff9;margin-top:.2rem}@media(max-width:768px){.b-stats-grid{grid-template-columns:repeat(2,1fr)}}.b-timeline-roadmap{padding:3rem 0}.b-roadmap{list-style:none;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;position:relative}.b-roadmap:before{content:"";position:absolute;top:24px;left:5%;right:5%;height:2px;background:var(--b-accent);opacity:.3;z-index:0}.b-roadmap-step{position:relative;text-align:center;z-index:1}.b-roadmap-badge{width:48px;height:48px;margin:0 auto 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.b-highlight{background:#f9dd0e1a;font-weight:600}.b-table th.b-highlight{background:var(--b-accent)}.b-gallery{padding:3rem 0}.b-gallery-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1rem}.b-gallery-item{margin:0;overflow:hidden;border-radius:var(--b-radius);position:relative}.b-gallery-item img{width:100%;height:240px;object-fit:cover;transition:transform .3s}.b-gallery-item:hover img{transform:scale(1.05)}.b-gallery-item figcaption{padding:.75rem;background:var(--b-surface);font-size:1rem;color:var(--b-text-muted)}.b-video-embed{padding:2rem 0}.b-video-wrapper{position:relative;border-radius:var(--b-radius-lg);overflow:hidden;box-shadow:var(--b-shadow-lg);background:#000}.b-video-wrapper iframe,.b-video-wrapper video{width:100%;height:100%;border:0;display:block}.b-video-caption{text-align:center;color:var(--b-text-muted);margin-top:.75rem;font-size:1rem;font-style:italic}.b-testimonial-grid{padding:3rem 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var(--b-border)}.b-trust-dark{background:var(--b-primary-dark);color:#fff}.b-trust-inner{display:flex;justify-content:center;gap:2.5rem;align-items:center;flex-wrap:wrap}.b-trust-item{display:flex;gap:.6rem;align-items:center}.b-trust-icon{font-size:1.5rem}.b-trust-value{font-size:1.35rem;font-weight:900;display:block;line-height:1.1}.b-trust-label{font-size:1rem;opacity:.9}.b-aggregate-rating{padding:2rem 0;text-align:center}.b-ar-inner{display:inline-flex;flex-direction:column;align-items:center;padding:1.5rem 2.5rem;background:var(--b-surface);border-radius:var(--b-radius-lg);box-shadow:var(--b-shadow)}.b-ar-stars{font-size:1.6rem;letter-spacing:3px;color:#cbd5e1}.b-ar-stars 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b-pulse{0%,to{opacity:1}50%{opacity:.75}}.b-urgency-inner{display:flex;gap:1.5rem;justify-content:center;align-items:center;flex-wrap:wrap}.b-urgency-text{margin:0}.b-countdown{display:flex;gap:.3rem;font-variant-numeric:tabular-nums;font-family:monospace;font-size:1.1rem}.b-countdown span{background:#0000004d;padding:.1rem .45rem;border-radius:4px;min-width:2ch;text-align:center}.b-cd-done{background:#374151}.b-pricing-table{padding:3rem 0}.b-pricing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;max-width:960px;margin:0 auto}.b-plan{position:relative;padding:2rem 1.5rem;background:var(--b-surface);border:2px solid var(--b-border);border-radius:var(--b-radius-lg);text-align:center}.b-plan-featured{border-color:var(--b-accent);box-shadow:0 20px 50px #f9dd0e33;transform:translateY(-8px)}.b-plan-ribbon{position:absolute;top:-1rem;left:50%;transform:translate(-50%);background:var(--b-accent);color:#fff;padding:.3rem 1rem;border-radius:999px;font-size:1rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em}.b-plan-name{color:var(--b-primary);font-size:1.2rem;margin:0 0 1rem}.b-plan-price{margin:1rem 0}.b-plan-amount{font-size:2.2rem;font-weight:900;color:var(--b-primary)}.b-plan-note{display:block;color:var(--b-text-muted);font-size:1rem;margin-top:.3rem}.b-plan-features{list-style:none;padding:0;margin:1.5rem 0;text-align:left}.b-plan-features li{padding:.4rem 0;color:var(--b-text)}.b-next-steps{padding:2.5rem 0;background:var(--b-surface-alt)}.b-steps-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem}.b-step-card{background:var(--b-surface);padding:1.5rem;border-radius:var(--b-radius);border:1px solid var(--b-border);text-decoration:none;color:var(--b-text);transition:transform .15s,box-shadow .15s;display:block}.b-step-card:hover{transform:translateY(-2px);box-shadow:var(--b-shadow-lg);border-color:var(--b-accent)}.b-step-icon{font-size:1.75rem;margin-bottom:.5rem}.b-step-title{font-size:1.5rem;color:var(--b-primary);margin:0 0 .3rem}.b-step-desc{color:var(--b-text-muted);font-size:1rem;margin:0 0 .75rem}.b-step-action{color:var(--b-accent);font-weight:700;font-size:1rem}.b-faq{padding:3rem 0}.b-faq-list{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:.5rem}.b-faq-item{background:var(--b-surface);border:1px solid var(--b-border);border-radius:var(--b-radius);overflow:hidden;transition:border-color .2s}.b-faq-item[open]{border-color:var(--b-accent)}.b-faq-item summary{padding:1rem 2.5rem 1rem 1.25rem;cursor:pointer;font-weight:700;color:var(--b-primary);list-style:none;position:relative}.b-faq-item summary::-webkit-details-marker{display:none}.b-faq-item summary:after{content:"+";position:absolute;right:1.25rem;top:50%;transform:translateY(-50%);font-size:1.5rem;color:var(--b-accent);transition:transform .2s}.b-faq-item[open] summary:after{content:"−"}.b-faq-answer{padding:0 1.25rem 1.25rem;color:var(--b-text);line-height:1.6}.b-author-bio{padding:2rem 0;background:var(--b-surface-alt)}.b-author-inner{display:flex;gap:1.5rem;align-items:flex-start;max-width:800px;margin:0 auto;background:var(--b-surface);padding:1.5rem;border-radius:var(--b-radius-lg)}.b-author-avatar{border-radius:50%;flex-shrink:0}.b-author-label{font-size:1rem;color:var(--b-text-muted);text-transform:uppercase;letter-spacing:.08em;margin:0}.b-author-name{color:var(--b-primary);margin:.25rem 0;font-size:1.2rem}.b-author-role{color:var(--b-text-muted);font-size:1rem;margin:0 0 .75rem}.b-author-desc{color:var(--b-text);line-height:1.6;margin:0 0 .75rem}.b-author-creds{list-style:none;padding:0;font-size:1rem;color:var(--b-text-muted)}.b-author-social{display:flex;gap:.75rem;margin-top:.75rem}.b-author-social a{color:var(--b-primary);font-size:1rem}.b-related-articles{padding:3rem 0;background:var(--b-surface-alt)}.b-related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1rem}.b-related-card{background:var(--b-surface);border-radius:var(--b-radius);overflow:hidden;text-decoration:none;color:var(--b-text);box-shadow:var(--b-shadow);transition:transform .15s;display:block}.b-related-card:hover{transform:translateY(-3px)}.b-related-card img{width:100%;height:160px;object-fit:cover;display:block}.b-related-body{padding:1rem}.b-related-body h3{margin:0 0 .3rem;font-size:1.5rem;color:var(--b-primary);line-height:1.35}.b-related-body p{margin:0 0 .5rem;color:var(--b-text-muted);font-size:1rem}.b-read-time{color:var(--b-accent);font-size:1rem;font-weight:600}.df-wrapper{text-align:left}.df-form{display:flex;flex-direction:column;gap:.75rem}.df-field{display:flex;flex-direction:column;gap:.3rem}.df-field label{font-size:1rem;font-weight:600;color:var(--b-text)}.df-req{color:#dc2626;margin-left:2px}.df-field input,.df-field select,.df-field textarea{padding:.75rem;border:1.5px solid var(--b-border);border-radius:8px;font-size:1rem;font-family:inherit;background:#fff;color:#0f172a;transition:border-color .15s,box-shadow .15s}.df-field input:focus,.df-field select:focus,.df-field textarea:focus{outline:none;border-color:var(--b-accent);box-shadow:0 0 0 3px #f9dd0e26}.df-field input.df-error,.df-field select.df-error{border-color:#dc2626;animation:b-shake .3s}.df-error-msg{color:#dc2626;font-size:1rem;margin:.2rem 0 0}@keyframes b-shake{0%,to{transform:translate(0)}25%{transform:translate(-4px)}75%{transform:translate(4px)}}.df-btn-primary{padding:.85rem 1.5rem;background:linear-gradient(135deg,var(--b-accent),var(--b-accent-dark));color:#fff;border:none;border-radius:8px;font-weight:700;cursor:pointer;transition:transform .15s,box-shadow .15s;font-size:1rem}.df-btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 18px #f9dd0e66}.df-btn-primary:disabled{opacity:.6;cursor:wait;transform:none}.df-btn-secondary{padding:.85rem 1.25rem;background:transparent;color:var(--b-text-muted);border:1.5px solid var(--b-border);border-radius:8px;font-weight:600;cursor:pointer}.df-actions{display:flex;gap:.5rem}.df-actions .df-btn-primary{flex:1}.df-consent{display:flex;gap:.5rem;align-items:start;font-size:1rem;color:var(--b-text-muted);margin-top:.5rem}.df-success{padding:2rem;text-align:center;background:#dcfce7;border:1px solid #22c55e;border-radius:var(--b-radius);color:#15803d;font-weight:700}