:root{--primary: #6366F1;--secondary: #3B82F6;--accent: #8B5CF6;--bg-main: #080D1C;--surface: #111827;--surface-hover: #172136;--surface-card: rgba(17, 24, 39, .78);--surface-card-hover: rgba(23, 33, 54, .9);--surface-highlight: rgba(30, 42, 69, .95);--surface-glass: rgba(17, 24, 39, .82);--color-emerald: #10B981;--color-amber: #F59E0B;--color-cyan: #38BDF8;--grad-primary: linear-gradient(135deg, #3B82F6 0%, #6366F1 50%, #8B5CF6 100%);--grad-accent-btn: linear-gradient(135deg, #3B82F6 0%, #6366F1 100%);--grad-accent-hover: linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);--grad-glow-soft: radial-gradient(circle, rgba(99, 102, 241, .14) 0%, transparent 70%);--text-main: #F8FAFC;--text-muted: #94A3B8;--text-dim: #64748B;--text-inverse: #030712;--border-subtle: rgba(255, 255, 255, .08);--border-card: rgba(148, 163, 184, .12);--border-card-hover: rgba(99, 102, 241, .45);--border-glow: rgba(99, 102, 241, .35);--shadow-sm: 0 2px 8px rgba(0, 0, 0, .35);--shadow-md: 0 8px 24px rgba(0, 0, 0, .45);--shadow-lg: 0 16px 40px rgba(0, 0, 0, .55);--shadow-soft-glow: 0 0 35px rgba(99, 102, 241, .18);--max-width: 1220px;--radius-sm: 8px;--radius-md: 14px;--radius-lg: 18px;--radius-xl: 24px;--radius-full: 9999px;--transition-fast: .2s cubic-bezier(.4, 0, .2, 1);--transition-normal: .28s cubic-bezier(.4, 0, .2, 1)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-family:-apple-system,BlinkMacSystemFont,Inter,Segoe UI,Roboto,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;font-size:16px;line-height:1.6;color:var(--text-main);background-color:var(--bg-main);scroll-behavior:smooth;scroll-padding-top:86px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{position:relative;overflow-x:hidden;min-height:100vh;background-color:var(--bg-main);background-image:radial-gradient(ellipse at 50% 0%,rgba(99,102,241,.12) 0%,transparent 65%),radial-gradient(ellipse at 85% 18%,rgba(59,130,246,.08) 0%,transparent 50%),radial-gradient(ellipse at 15% 60%,rgba(139,92,246,.06) 0%,transparent 50%);background-attachment:fixed}.bg-grid-overlay{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;background-size:48px 48px;background-image:radial-gradient(circle,rgba(255,255,255,.04) 1px,transparent 1px);z-index:0}h1,h2,h3,h4,h5,h6{color:var(--text-main);font-weight:700;letter-spacing:-.015em;line-height:1.25}a{color:inherit;text-decoration:none;transition:color var(--transition-fast)}.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 24px;position:relative;z-index:1}.gradient-text{background:var(--grad-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;display:inline-block}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-weight:600;font-size:.935rem;padding:12px 24px;border-radius:var(--radius-full);border:1px solid transparent;cursor:pointer;transition:all var(--transition-normal);text-decoration:none;white-space:nowrap}.btn-primary{background:var(--grad-accent-btn);color:#fff;box-shadow:0 4px 18px #6366f159;position:relative;overflow:hidden}.btn-primary:hover{background:var(--grad-accent-hover);box-shadow:0 6px 24px #8b5cf673;transform:translateY(-2px)}.btn-secondary{background:#ffffff0a;border-color:#ffffff1f;color:var(--text-main);backdrop-filter:blur(10px)}.btn-secondary:hover{background:#ffffff17;border-color:#6366f166;transform:translateY(-2px)}.btn-lg{padding:15px 32px;font-size:1.025rem}.btn-sm{padding:8px 18px;font-size:.85rem}.btn-full{width:100%}.aff-disabled{opacity:.55!important;cursor:not-allowed!important;pointer-events:auto!important;filter:grayscale(.5)}.aff-disabled:hover{transform:none!important;box-shadow:none!important}.affiliate-disclosure-box{max-width:820px;margin:32px auto 0;padding:14px 20px;border-radius:var(--radius-sm);background:#6366f10f;border:1px solid rgba(99,102,241,.2);display:flex;align-items:flex-start;gap:10px;font-size:.815rem;color:var(--text-muted);line-height:1.6;text-align:left}.affiliate-disclosure-box svg{flex-shrink:0;margin-top:3px;color:#a5b4fc}.affiliate-disclosure-box strong{color:var(--text-main)}.site-header{position:sticky;top:0;left:0;width:100%;z-index:100;background:#080d1cc7;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border-subtle);transition:all var(--transition-normal)}.site-header.scrolled{background:#080d1cf0;box-shadow:0 8px 24px #00000080;border-bottom-color:#6366f140}.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px}.brand-logo{display:flex;align-items:center;gap:12px}.brand-logo-img{height:36px;width:auto;-o-object-fit:contain;object-fit:contain;display:block;filter:drop-shadow(0 2px 8px rgba(99,102,241,.3));transition:transform var(--transition-fast),filter var(--transition-fast)}.brand-logo:hover 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.85fr;gap:48px;align-items:center}.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:var(--radius-full);background:#6366f11a;border:1px solid rgba(99,102,241,.3);color:#a5b4fc;font-size:.825rem;font-weight:600;margin-bottom:20px}.hero-badge .ping-dot{width:8px;height:8px;border-radius:50%;background:var(--color-emerald);box-shadow:0 0 6px var(--color-emerald)}.hero-title-h1{font-size:clamp(2.4rem,4.2vw,3.8rem);font-weight:800;line-height:1.15;letter-spacing:-.025em;margin-bottom:18px}.hero-subtitle{font-size:1.1rem;color:var(--text-muted);line-height:1.7;margin-bottom:28px;max-width:560px}.hero-selling-points{display:flex;flex-direction:column;gap:12px;margin-bottom:34px}.selling-point-item{display:flex;align-items:center;gap:12px;font-size:.95rem;color:var(--text-main);font-weight:500}.selling-point-icon{width:22px;height:22px;border-radius:50%;background:#6366f126;color:var(--primary);display:flex;align-items:center;justify-content:center;flex-shrink:0}.hero-cta-group{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.topology-card{background:linear-gradient(135deg,#111827d9,#0d1220eb);border:1px solid rgba(99,102,241,.28);border-radius:var(--radius-lg);padding:28px;backdrop-filter:blur(14px);box-shadow:var(--shadow-lg),var(--shadow-soft-glow);position:relative;overflow:hidden}.topology-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;padding-bottom:14px;border-bottom:1px solid var(--border-subtle)}.topology-status{display:flex;align-items:center;gap:8px;font-size:.825rem;color:var(--color-emerald);font-weight:600}.topology-status .dot{width:8px;height:8px;border-radius:50%;background:var(--color-emerald);box-shadow:0 0 6px var(--color-emerald)}.topology-visual{width:100%;height:210px;display:flex;align-items:center;justify-content:center}.topology-footer-info{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:16px}.topo-mini-stat{background:#ffffff06;border:1px solid var(--border-subtle);padding:10px 14px;border-radius:var(--radius-sm)}.topo-mini-label{font-size:.72rem;color:var(--text-dim);text-transform:uppercase}.topo-mini-val{font-size:.88rem;font-weight:700;color:#a5b4fc;margin-top:2px}.metrics-section{padding:20px 0 60px}.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.metric-card{background:var(--surface-card);border:1px solid var(--border-card);border-radius:var(--radius-md);padding:26px 20px;text-align:center;backdrop-filter:blur(10px);transition:all var(--transition-fast);box-shadow:var(--shadow-sm)}.metric-card:hover{transform:translateY(-3px);border-color:var(--border-card-hover);background:var(--surface-card-hover);box-shadow:var(--shadow-md),0 0 20px #6366f11f}.metric-num{font-size:2.25rem;font-weight:800;background:var(--grad-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;line-height:1.1;margin-bottom:6px}.metric-label{font-size:.925rem;font-weight:600;color:var(--text-main);margin-bottom:4px}.metric-desc{font-size:.78rem;color:var(--text-dim)}.section{padding:80px 0;position:relative}.section-header{text-align:center;max-width:680px;margin:0 auto 52px}.section-tag{display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:#a5b4fc;margin-bottom:12px}.section-title{font-size:clamp(1.8rem,3.2vw,2.35rem);font-weight:800;margin-bottom:14px;letter-spacing:-.015em}.section-desc{font-size:.985rem;color:var(--text-muted);line-height:1.65}.features-grid-6{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.feature-card{padding:32px 26px;border-radius:var(--radius-lg);background:var(--surface-card);border:1px solid var(--border-card);backdrop-filter:blur(10px);transition:all var(--transition-normal);position:relative;overflow:hidden;box-shadow:var(--shadow-sm)}.feature-card:before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad-primary);opacity:0;transition:opacity var(--transition-normal)}.feature-card:hover{transform:translateY(-4px);border-color:var(--border-card-hover);background:var(--surface-card-hover);box-shadow:var(--shadow-md),0 0 25px #6366f129}.feature-card:hover:before{opacity:1}.feature-icon-box{width:50px;height:50px;border-radius:var(--radius-md);background:#6366f11a;border:1px solid rgba(99,102,241,.25);display:flex;align-items:center;justify-content:center;margin-bottom:20px;color:var(--primary);transition:all var(--transition-fast)}.feature-card:hover .feature-icon-box{background:var(--grad-primary);color:#fff;border-color:transparent;box-shadow:0 0 16px #6366f166}.feature-title{font-size:1.15rem;font-weight:700;margin-bottom:10px}.feature-desc{font-size:.885rem;color:var(--text-muted);line-height:1.65}.nodes-filter-bar{display:flex;align-items:center;justify-content:center;gap:10px;margin-bottom:36px;flex-wrap:wrap}.filter-btn{background:#ffffff0a;border:1px solid var(--border-subtle);color:var(--text-muted);font-size:.875rem;font-weight:600;padding:8px 18px;border-radius:var(--radius-full);cursor:pointer;transition:all var(--transition-fast)}.filter-btn:hover,.filter-btn.active{background:var(--primary);color:#fff;border-color:var(--primary);box-shadow:0 2px 12px #6366f159}.nodes-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.node-card{background:var(--surface-card);border:1px solid var(--border-card);border-radius:var(--radius-md);padding:22px;backdrop-filter:blur(10px);transition:all 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var(--border-subtle);padding-top:12px;font-size:.85rem}.node-detail-row{display:flex;justify-content:space-between;color:var(--text-muted)}.node-detail-val{color:var(--text-main);font-weight:500}.pricing-tabs-bar{display:flex;align-items:center;justify-content:center;gap:8px;margin-bottom:44px;flex-wrap:wrap}.pricing-tab-btn{background:#ffffff0a;border:1px solid var(--border-subtle);color:var(--text-muted);font-size:.88rem;font-weight:600;padding:9px 20px;border-radius:var(--radius-full);cursor:pointer;transition:all var(--transition-fast)}.pricing-tab-btn:hover,.pricing-tab-btn.active{background:var(--primary);color:#fff;border-color:var(--primary);box-shadow:0 2px 12px #6366f159}.pricing-tab-btn .badge-save{background:var(--color-amber);color:#000;font-size:.7rem;font-weight:800;padding:1px 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16px;border-radius:var(--radius-full);letter-spacing:.08em;text-transform:uppercase;box-shadow:0 4px 12px #6366f166}.price-card-header{margin-bottom:20px}.price-plan-name{font-size:1.3rem;font-weight:700;margin-bottom:6px}.price-plan-audience{font-size:.85rem;color:var(--text-muted)}.price-amount-box{margin-bottom:22px;padding-bottom:20px;border-bottom:1px solid var(--border-subtle);display:flex;align-items:baseline;gap:4px}.price-currency{font-size:1.25rem;font-weight:600}.price-num{font-size:2.6rem;font-weight:800;line-height:1;letter-spacing:-.02em}.price-duration{font-size:.85rem;color:var(--text-dim);margin-left:4px}.price-specs-list{list-style:none;margin-bottom:28px;flex-grow:1;display:flex;flex-direction:column;gap:12px}.price-spec-item{display:flex;align-items:flex-start;gap:10px;font-size:.875rem;color:var(--text-muted)}.price-spec-item svg{flex-shrink:0;margin-top:2px;color:var(--color-emerald)}.price-spec-item strong{color:var(--text-main)}.downloads-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.download-card{background:var(--surface-card);border:1px solid var(--border-card);border-radius:var(--radius-md);padding:24px 18px;display:flex;flex-direction:column;backdrop-filter:blur(10px);transition:all var(--transition-fast);box-shadow:var(--shadow-sm)}.download-card:hover{transform:translateY(-3px);border-color:var(--border-card-hover);background:var(--surface-card-hover);box-shadow:var(--shadow-md),0 0 20px #6366f11f}.download-card-top{display:flex;align-items:center;gap:12px;margin-bottom:12px}.download-icon{width:42px;height:42px;border-radius:var(--radius-sm);background:#6366f11f;color:var(--primary);display:flex;align-items:center;justify-content:center;flex-shrink:0}.download-platform-name{font-size:1.025rem;font-weight:700}.download-software-list{font-size:.78rem;color:var(--text-dim)}.download-desc{font-size:.84rem;color:var(--text-muted);line-height:1.55;margin-bottom:18px;flex-grow:1}.download-actions{display:flex;flex-direction:column;gap:8px}.download-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;font-size:.82rem;font-weight:600;padding:8px 12px;border-radius:var(--radius-sm);background:#ffffff0a;border:1px solid var(--border-subtle);color:var(--text-main);transition:all var(--transition-fast)}.download-btn:hover{background:var(--primary);color:#fff;border-color:var(--primary)}.download-btn.tutorial-link{background:transparent;border-color:transparent;color:#a5b4fc}.download-btn.tutorial-link:hover{text-decoration:underline;background:transparent}.arch-staggered-list{display:flex;flex-direction:column;gap:56px}.arch-row{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}.arch-row.reverse{direction:rtl}.arch-row.reverse .arch-text-col,.arch-row.reverse .arch-visual-col{direction:ltr}.arch-tag{font-size:.78rem;font-weight:700;color:#a5b4fc;text-transform:uppercase;letter-spacing:.1em;margin-bottom:8px}.arch-title{font-size:1.65rem;font-weight:800;margin-bottom:14px}.arch-desc{font-size:.935rem;color:var(--text-muted);line-height:1.7;margin-bottom:18px}.arch-points{display:flex;flex-direction:column;gap:10px}.arch-point-item{display:flex;align-items:center;gap:10px;font-size:.885rem;color:var(--text-main)}.arch-point-item svg{color:var(--color-emerald)}.arch-visual-box{background:var(--surface-card);border:1px solid var(--border-card);border-radius:var(--radius-lg);padding:26px;display:flex;align-items:center;justify-content:center;backdrop-filter:blur(10px);box-shadow:var(--shadow-md)}.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.step-card{background:var(--surface-card);border:1px solid var(--border-card);border-radius:var(--radius-lg);padding:34px 26px;backdrop-filter:blur(10px);display:flex;flex-direction:column;box-shadow:var(--shadow-sm);transition:all var(--transition-fast)}.step-card:hover{transform:translateY(-4px);border-color:var(--border-card-hover);box-shadow:var(--shadow-md),0 0 20px #6366f11f}.step-number{width:40px;height:40px;border-radius:50%;background:var(--grad-primary);color:#fff;font-weight:800;font-size:1.1rem;display:flex;align-items:center;justify-content:center;margin-bottom:18px;box-shadow:0 4px 12px #6366f166}.step-title{font-size:1.2rem;font-weight:700;margin-bottom:10px}.step-desc{font-size:.885rem;color:var(--text-muted);line-height:1.65;margin-bottom:22px;flex-grow:1}.scenarios-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.scenario-card{background:var(--surface-card);border:1px solid var(--border-card);border-radius:var(--radius-md);padding:28px 22px;backdrop-filter:blur(10px);transition:all var(--transition-fast);box-shadow:var(--shadow-sm)}.scenario-card:hover{transform:translateY(-3px);border-color:var(--border-card-hover);background:var(--surface-card-hover);box-shadow:var(--shadow-md),0 0 20px #6366f11f}.scenario-icon{width:44px;height:44px;border-radius:var(--radius-sm);background:#6366f11f;color:var(--primary);display:flex;align-items:center;justify-content:center;margin-bottom:16px}.scenario-title{font-size:1.1rem;font-weight:700;margin-bottom:8px}.scenario-desc{font-size:.865rem;color:var(--text-muted);line-height:1.6}.map-visual-container{background:var(--surface-card);border:1px solid var(--border-card);border-radius:var(--radius-lg);padding:32px 24px;backdrop-filter:blur(12px);box-shadow:var(--shadow-md)}.map-svg-wrapper{width:100%;position:relative;overflow:hidden;border-radius:var(--radius-md);background:#060a16b3;padding:16px;border:1px solid var(--border-subtle)}.map-regions-overview{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:22px}.region-box{background:#ffffff06;border:1px solid var(--border-subtle);border-radius:var(--radius-sm);padding:14px}.region-title{font-size:.925rem;font-weight:700;color:#a5b4fc;margin-bottom:6px}.region-list{font-size:.8rem;color:var(--text-muted);line-height:1.5}.faq-container{max-width:840px;margin:0 auto}.faq-item{border:1px solid var(--border-card);border-radius:var(--radius-md);margin-bottom:12px;background:var(--surface-card);overflow:hidden;transition:all var(--transition-fast);box-shadow:var(--shadow-sm)}.faq-item:hover{border-color:#6366f159}.faq-item.active{border-color:var(--border-card-hover);background:var(--surface-card-hover);box-shadow:var(--shadow-md),0 0 18px #6366f11a}.faq-question{width:100%;text-align:left;background:none;border:none;padding:18px 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