.opc-landing{--blue:#1E7BCA;--blue-light:#5DB4F2;--cyan:#3FC4FF;--gold:#E8C887;--gold-deep:#D1A153;--bg:#05070f;--bg-2:#0a0f1e;--ink:#e8f0ff;--muted:#8da3c4;--glass:rgba(18,28,50,.45);--glass-bd:rgba(95,180,242,.18);--glow:0 0 30px rgba(63,196,255,.45);--radius:18px;--maxw:1180px;--hero-img:url(/landing/hero.jpg);--knowledge-img:url(https://www.genspark.ai/api/files/s/lgFKYn3F?cache_control=3600);font-family:Noto Sans SC,system-ui,sans-serif;background:var(--bg);color:var(--ink);overflow-x:clip;position:relative;line-height:1.7;min-height:100vh;scroll-behavior:smooth}body:has(.opc-landing){margin:0}.opc-landing *{margin:0;padding:0;box-sizing:border-box}.opc-landing a{color:inherit;text-decoration:none}.opc-landing .accent{background:linear-gradient(100deg,var(--cyan),var(--blue-light) 50%,var(--gold));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.opc-landing .gold{background:linear-gradient(100deg,var(--gold),var(--gold-deep));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.opc-landing .silver{color:#c8d4e6}.opc-landing .preloader{position:fixed;top:0;right:0;bottom:0;left:0;z-index:9999;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:26px;background:radial-gradient(ellipse at center,#0a1326,#05070f 70%);transition:opacity .8s ease,visibility .8s}.opc-landing .preloader.hide{opacity:0;visibility:hidden}.opc-landing .pre-core{position:relative;width:120px;height:120px;display:grid;place-items:center}.opc-landing .pre-ring{position:absolute;top:0;right:0;bottom:0;left:0;border-radius:50%;border:2px solid transparent;border-top-color:var(--cyan);border-right-color:var(--cyan);animation:opc-spin 1s linear infinite;box-shadow:0 0 24px #3fc4ff80}.opc-landing .pre-ring.r2{top:18px;right:18px;bottom:18px;left:18px;border-top-color:var(--gold);border-right-color:transparent;border-left-color:var(--gold);animation:opc-spin 1.4s linear infinite reverse}.opc-landing .pre-star{font-size:1.8rem;color:var(--gold);filter:drop-shadow(0 0 12px var(--gold-deep));animation:opc-pulse 1.6s infinite}@keyframes opc-spin{to{transform:rotate(360deg)}}.opc-landing .pre-text{font-weight:900;font-size:1.15rem;letter-spacing:.06em}.opc-landing .pre-bar{width:220px;height:4px;border-radius:4px;background:#5fb4f226;overflow:hidden}.opc-landing .pre-bar span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--cyan),var(--gold));border-radius:4px;animation:opc-load 2.2s ease forwards;box-shadow:0 0 12px var(--cyan)}@keyframes opc-load{to{width:100%}}.opc-landing .pre-tip{font-family:Orbitron,sans-serif;font-size:.7rem;letter-spacing:.25em;color:var(--cyan);opacity:.7}.opc-landing .bg-particles{position:fixed;top:0;right:0;bottom:0;left:0;z-index:0;display:block}.opc-landing .grid-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:0;pointer-events:none;background-image:linear-gradient(rgba(63,196,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(63,196,255,.05) 1px,transparent 1px);background-size:60px 60px;mask-image:radial-gradient(ellipse 80% 60% at 50% 30%,#000 30%,transparent 80%);-webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 30%,#000 30%,transparent 80%)}.opc-landing .aurora{position:fixed;z-index:0;border-radius:50%;filter:blur(130px);opacity:.4;pointer-events:none}.opc-landing .aurora-1{width:600px;height:600px;background:radial-gradient(circle,var(--blue),transparent 70%);top:-150px;left:-120px;animation:opc-float1 18s ease-in-out infinite}.opc-landing .aurora-2{width:520px;height:520px;background:radial-gradient(circle,#6b4cf0,transparent 70%);bottom:-150px;right:-100px;animation:opc-float2 22s ease-in-out infinite}.opc-landing .aurora-3{width:480px;height:480px;background:radial-gradient(circle,var(--gold-deep),transparent 70%);top:40%;left:50%;opacity:.18;animation:opc-float1 26s ease-in-out infinite}@keyframes opc-float1{50%{transform:translate(120px,80px) scale(1.15)}}@keyframes opc-float2{50%{transform:translate(-100px,-60px) scale(1.1)}}.opc-landing .noise{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1;pointer-events:none;opacity:.04;mix-blend-mode:overlay;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}.opc-landing main,.opc-landing .site-header,.opc-landing .site-footer{position:relative;z-index:2}.opc-landing .site-header{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:24px;padding:16px clamp(18px,4vw,48px);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#05070f8c;border-bottom:1px solid rgba(95,180,242,.12);transition:box-shadow .3s}.opc-landing .brand-mini{display:flex;align-items:center;gap:12px;font-weight:700;font-size:1.05rem;white-space:nowrap}.opc-landing .brand-mini-mark{position:relative;width:34px;height:34px;display:grid;place-items:center;border-radius:10px;background:linear-gradient(135deg,var(--blue),var(--cyan));box-shadow:var(--glow)}.opc-landing .brand-mini-mark .fa-cloud{color:#fff;font-size:.95rem}.opc-landing .brand-mini-mark .fa-star{position:absolute;font-size:.55rem;color:var(--gold);right:4px;bottom:4px;filter:drop-shadow(0 0 4px var(--gold))}.opc-landing .brand-mini-text b{background:linear-gradient(100deg,var(--cyan),var(--gold));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.opc-landing .site-nav{display:flex;gap:26px;margin-left:auto;font-size:.92rem}.opc-landing .site-nav a{color:var(--muted);transition:.25s;position:relative}.opc-landing .site-nav a:hover{color:var(--ink)}.opc-landing .site-nav a:after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:2px;background:linear-gradient(90deg,var(--cyan),var(--gold));transition:.25s}.opc-landing .site-nav a:hover:after{width:100%}.opc-landing .nav-cta{border:none;cursor:pointer;font-family:inherit;font-weight:700;font-size:.9rem;color:#04101e;padding:10px 20px;border-radius:30px;background:linear-gradient(100deg,var(--cyan),var(--blue-light));box-shadow:0 0 18px #3fc4ff80;transition:.25s;white-space:nowrap}.opc-landing .nav-cta:hover{transform:translateY(-2px);box-shadow:0 0 28px #3fc4ffbf}.opc-landing .hero{position:relative;min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:90px clamp(18px,4vw,48px) 60px;gap:22px;overflow:hidden}.opc-landing .hero-bg{position:absolute;top:-5%;right:-5%;bottom:-5%;left:-5%;z-index:0;transition:transform .35s cubic-bezier(.2,.7,.2,1);will-change:transform;background:radial-gradient(circle at 22% 55%,rgba(63,196,255,.5),transparent 42%),radial-gradient(circle at 78% 30%,rgba(232,200,135,.32),transparent 40%),radial-gradient(circle at 60% 80%,rgba(107,76,240,.32),transparent 45%),linear-gradient(160deg,#071021,#05070f 70%)}.opc-landing .hero-img{position:absolute;top:-12%;right:-12%;bottom:-12%;left:-12%;width:124%;height:124%;object-fit:cover;display:block;filter:saturate(1.2) contrast(1.08) brightness(1.02);transform:scale(1.12);transform-origin:50% 46%;animation:opc-heroBreak 30s ease-in-out infinite alternate;will-change:transform}@keyframes opc-heroBreak{0%{transform:scale(1.1) translate(0) rotate(0)}35%{transform:scale(1.28) translate(-2%,-1.4%) rotate(-.6deg)}70%{transform:scale(1.42) translate(1.6%,-2.4%) rotate(.5deg)}to{transform:scale(1.6) translate(-1%,-3%) rotate(-.3deg)}}.opc-landing .hero-img:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:inherit;opacity:0;mix-blend-mode:screen;animation:none}.opc-landing .hero-veil{position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(ellipse 65% 60% at 50% 50%,transparent 0%,rgba(5,7,15,.45) 58%,rgba(5,7,15,.9) 100%),linear-gradient(180deg,rgba(5,7,15,.5) 0%,transparent 28%,transparent 52%,rgba(5,7,15,.97) 100%);animation:opc-veilBreath 30s ease-in-out infinite alternate}@keyframes opc-veilBreath{to{transform:scale(1.06);opacity:.92}}.opc-landing .hero-bg:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;z-index:1;pointer-events:none;background:radial-gradient(circle at 50% 48%,rgba(63,196,255,.18),transparent 40%);animation:opc-corePulse 8s ease-in-out infinite;mix-blend-mode:screen}@keyframes opc-corePulse{0%,to{opacity:.4;transform:scale(1)}50%{opacity:.85;transform:scale(1.12)}}.opc-landing .hero-scan{position:absolute;top:0;right:0;bottom:0;left:0;z-index:1;background:linear-gradient(180deg,transparent,rgba(63,196,255,.09),transparent);height:42%;animation:opc-scanMove 7s linear infinite;mix-blend-mode:screen}@keyframes opc-scanMove{0%{transform:translateY(-120%)}to{transform:translateY(320%)}}.opc-landing .hero-inner{position:relative;z-index:2;max-width:920px;display:flex;flex-direction:column;align-items:center;gap:22px}.opc-landing .hero-badge{display:inline-flex;align-items:center;gap:10px;font-size:.82rem;letter-spacing:.12em;font-family:Orbitron,sans-serif;color:var(--cyan);padding:8px 18px;border:1px solid var(--glass-bd);border-radius:30px;background:#0a0f1e8c;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);text-transform:uppercase}.opc-landing .pulse-dot{width:9px;height:9px;border-radius:50%;background:var(--cyan);box-shadow:0 0 #3fc4ffb3;animation:opc-pulse 1.8s infinite}@keyframes opc-pulse{70%{box-shadow:0 0 0 12px #3fc4ff00}to{box-shadow:0 0 #3fc4ff00}}.opc-landing .hero-title{font-size:clamp(2.2rem,6.5vw,4.8rem);line-height:1.06;font-weight:900;letter-spacing:.01em;text-shadow:0 4px 40px rgba(0,0,0,.6)}.opc-landing .hero-title .line{display:block}.opc-landing .hero-title .accent{font-family:Orbitron,Noto Sans SC,sans-serif}.opc-landing .type-line:after{content:"";display:inline-block;width:3px;height:1em;background:var(--cyan);margin-left:4px;vertical-align:-2px;animation:opc-caret .7s step-end infinite;box-shadow:0 0 10px var(--cyan)}@keyframes opc-caret{50%{opacity:0}}.opc-landing .hero-slogan{font-family:Orbitron,sans-serif;font-size:clamp(1rem,2.4vw,1.5rem);letter-spacing:.18em;color:var(--cyan);text-shadow:0 0 22px rgba(63,196,255,.5)}.opc-landing .hero-sub{max-width:620px;color:#c5d4ec;font-size:clamp(.95rem,1.6vw,1.1rem);text-shadow:0 2px 12px rgba(0,0,0,.6)}.opc-landing .hero-actions{display:flex;gap:16px;flex-wrap:wrap;justify-content:center;margin-top:6px}.opc-landing .btn{display:inline-flex;align-items:center;gap:10px;cursor:pointer;font-family:inherit;font-weight:700;font-size:1rem;padding:14px 30px;border-radius:40px;border:none;transition:.28s}.opc-landing .btn-primary{color:#04101e;background:linear-gradient(100deg,var(--cyan),var(--blue-light));box-shadow:0 0 24px #3fc4ff8c;position:relative;overflow:hidden}.opc-landing .btn-primary:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(100deg,transparent,rgba(255,255,255,.55),transparent);transform:translate(-120%);transition:.5s}.opc-landing .btn-primary:hover{transform:translateY(-3px);box-shadow:0 0 40px #3fc4ffe6}.opc-landing .btn-primary:hover:before{transform:translate(120%)}.opc-landing .btn-ghost{color:var(--ink);background:#0a0f1e80;border:1px solid var(--glass-bd);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.opc-landing .btn-ghost:hover{border-color:var(--cyan);color:var(--cyan);transform:translateY(-3px)}.opc-landing .btn.big{font-size:1.15rem;padding:18px 44px}.opc-landing .btn.block{width:100%;justify-content:center}.opc-landing .status-track{list-style:none;display:flex;gap:14px;flex-wrap:wrap;justify-content:center;margin-top:14px}.opc-landing .status-item{display:flex;flex-direction:column;align-items:center;gap:6px;min-width:150px;padding:18px 16px;border-radius:var(--radius);background:#0a0f1e8c;border:1px solid var(--glass-bd);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);transition:.3s}.opc-landing .status-item:hover{transform:translateY(-4px);border-color:var(--cyan)}.opc-landing .status-ico{width:46px;height:46px;display:grid;place-items:center;border-radius:12px;font-size:1.1rem;color:var(--cyan);background:#3fc4ff1f}.opc-landing .status-item b{font-size:1.05rem}.opc-landing .status-item small{color:var(--muted);font-size:.78rem}.opc-landing .status-item.is-live{border-color:var(--gold)}.opc-landing .status-item.is-live .status-ico{color:var(--gold);background:#e8c88724}.opc-landing .scroll-hint{position:absolute;bottom:24px;left:50%;transform:translate(-50%);z-index:2;font-size:.75rem;letter-spacing:.15em;color:var(--muted);display:flex;flex-direction:column;align-items:center;gap:8px}.opc-landing .scroll-hint span{width:22px;height:36px;border:2px solid var(--glass-bd);border-radius:14px;position:relative}.opc-landing .scroll-hint span:after{content:"";position:absolute;top:6px;left:50%;transform:translate(-50%);width:4px;height:7px;border-radius:3px;background:var(--cyan);animation:opc-scrolldot 1.6s infinite}@keyframes opc-scrolldot{0%{opacity:0;top:6px}40%{opacity:1}to{opacity:0;top:18px}}.opc-landing .section{position:relative;max-width:var(--maxw);margin:0 auto;padding:clamp(70px,10vw,120px) clamp(18px,4vw,48px)}.opc-landing .bg-section{max-width:none;margin:0;padding-left:clamp(18px,4vw,48px);padding-right:clamp(18px,4vw,48px)}.opc-landing .bg-section .section-head,.opc-landing .bg-section .card-grid{max-width:var(--maxw);margin-left:auto;margin-right:auto}.opc-landing .section-bg{position:absolute;top:0;right:0;bottom:0;left:0;z-index:0;background-size:cover;background-position:center;opacity:.22;mask-image:radial-gradient(ellipse 70% 80% at 50% 50%,#000,transparent 75%);-webkit-mask-image:radial-gradient(ellipse 70% 80% at 50% 50%,#000,transparent 75%)}.opc-landing .knowledge-bg{background-image:var(--knowledge-img)}.opc-landing .section>*{position:relative;z-index:1}.opc-landing .section-head{text-align:center;max-width:760px;margin:0 auto 50px}.opc-landing .kicker{font-family:Orbitron,sans-serif;font-size:.8rem;letter-spacing:.25em;color:var(--cyan);text-transform:uppercase}.opc-landing .section-head h2{font-size:clamp(1.7rem,4vw,2.8rem);font-weight:900;margin:14px 0 16px;line-height:1.2}.opc-landing .section-head p{color:var(--muted);font-size:clamp(.95rem,1.6vw,1.08rem)}.opc-landing .stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.opc-landing .stat{text-align:center;padding:30px 16px;border-radius:var(--radius);background:var(--glass);border:1px solid var(--glass-bd);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.opc-landing .stat b{display:block;font-family:Orbitron,sans-serif;font-size:clamp(1.8rem,5vw,3rem);background:linear-gradient(100deg,var(--cyan),var(--gold));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.opc-landing .stat span{color:var(--muted);font-size:.9rem}.opc-landing .card-grid{display:grid;gap:22px}.opc-landing .card-grid.three{grid-template-columns:repeat(3,1fr)}.opc-landing .glass-card{padding:32px 28px;border-radius:var(--radius);background:var(--glass);border:1px solid var(--glass-bd);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);transition:.35s}.opc-landing .glass-card:hover{transform:translateY(-6px);border-color:var(--cyan);box-shadow:0 18px 40px #0006,var(--glow)}.opc-landing .card-ico{width:56px;height:56px;display:grid;place-items:center;border-radius:14px;font-size:1.5rem;margin-bottom:18px;-webkit-text-fill-color:currentColor}.opc-landing .card-ico.blue{color:var(--blue-light);background:#1e7bca26}.opc-landing .card-ico.cyan{color:var(--cyan);background:#3fc4ff26}.opc-landing .card-ico.gold{color:var(--gold);background:#e8c88726}.opc-landing .glass-card h3{font-size:1.25rem;margin-bottom:10px}.opc-landing .glass-card p{color:var(--muted);font-size:.95rem}.opc-landing .domains-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.opc-landing .domain{position:relative;padding:26px 20px;border-radius:var(--radius);background:var(--glass);border:1px solid var(--glass-bd);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);text-align:center;transition:.35s;overflow:hidden}.opc-landing .domain:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(circle at 50% 0%,rgba(63,196,255,.18),transparent 70%);opacity:0;transition:.35s}.opc-landing .domain:hover{transform:translateY(-6px);border-color:var(--cyan)}.opc-landing .domain:hover:before{opacity:1}.opc-landing .domain .d-ico{font-size:1.7rem;color:var(--cyan);margin-bottom:12px;filter:drop-shadow(0 0 8px rgba(63,196,255,.4))}.opc-landing .domain h4{font-size:1.05rem;margin-bottom:6px;position:relative}.opc-landing .domain p{color:var(--muted);font-size:.82rem;position:relative}.opc-landing .card-grid.tools{gap:24px}.opc-landing .tool-card{position:relative;border-radius:22px;border:1px solid var(--glass-bd);overflow:hidden;transition:.4s;isolation:isolate;background:linear-gradient(160deg,#3fc4ff38,#0a0f1e 60%)}.opc-landing .tool-cover{position:absolute;top:0;right:0;bottom:0;left:0;z-index:0;background:var(--cover) center/cover no-repeat;transform:scale(1.05);transition:transform .6s ease;filter:saturate(1.1)}.opc-landing .tool-card:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;z-index:1;background:linear-gradient(180deg,#05070f40,#05070fc7 55%,#05070ff5)}.opc-landing .tool-card:hover{transform:translateY(-10px);border-color:var(--cyan);box-shadow:0 28px 60px #0009,var(--glow)}.opc-landing .tool-card:hover .tool-cover{transform:scale(1.14)}.opc-landing .tool-body{position:relative;z-index:2;padding:200px 28px 30px;display:flex;flex-direction:column}.opc-landing .tool-ico{width:58px;height:58px;display:grid;place-items:center;border-radius:16px;font-size:1.6rem;color:#04101e;background:linear-gradient(135deg,var(--cyan),var(--blue-light));box-shadow:var(--glow);margin-bottom:14px}.opc-landing .tool-tag{font-family:Orbitron,sans-serif;font-size:.65rem;letter-spacing:.2em;color:var(--gold)}.opc-landing .tool-card h3{font-size:1.35rem;margin:8px 0 10px}.opc-landing .tool-card p{color:#c5d4ec;font-size:.95rem;margin-bottom:16px}.opc-landing .tool-card ul{list-style:none;display:flex;flex-direction:column;gap:8px;margin-bottom:18px}.opc-landing .tool-card li{font-size:.88rem;color:var(--ink);display:flex;align-items:center;gap:9px}.opc-landing .tool-card li:before{content:"";font-family:"Font Awesome 6 Free";font-weight:900;color:var(--cyan);font-size:.85rem}.opc-landing .tool-state{align-self:flex-start;font-size:.78rem;font-weight:700;padding:6px 16px;border-radius:20px;color:var(--cyan);border:1px solid var(--glass-bd);background:#3fc4ff1f}.opc-landing .roadmap{list-style:none;max-width:720px;margin:0 auto;position:relative;padding-left:30px}.opc-landing .roadmap:before{content:"";position:absolute;left:6px;top:6px;bottom:6px;width:2px;background:linear-gradient(var(--cyan),var(--gold))}.opc-landing .rm-item{position:relative;padding:0 0 38px 22px}.opc-landing .rm-item:last-child{padding-bottom:0}.opc-landing .rm-dot{position:absolute;left:-30px;top:2px;width:16px;height:16px;border-radius:50%;background:var(--bg-2);border:2px solid var(--muted)}.opc-landing .rm-item.done .rm-dot{background:var(--cyan);border-color:var(--cyan);box-shadow:var(--glow)}.opc-landing .rm-item.active .rm-dot{background:var(--gold);border-color:var(--gold);box-shadow:0 0 18px var(--gold-deep);animation:opc-pulse 1.8s infinite}.opc-landing .rm-item b{font-size:1.1rem}.opc-landing .rm-item.active b{color:var(--gold)}.opc-landing .rm-item p{color:var(--muted);font-size:.9rem;margin-top:4px}.opc-landing .final-cta{padding-bottom:120px}.opc-landing .cta-box{max-width:760px;margin:0 auto;text-align:center;padding:60px clamp(24px,5vw,60px);border-radius:28px;background:linear-gradient(135deg,#1e7bca2e,#6b4cf01f);border:1px solid var(--glass-bd);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);box-shadow:0 0 60px #3fc4ff33}.opc-landing .cta-box h2{font-size:clamp(1.8rem,5vw,3rem);font-weight:900;line-height:1.15}.opc-landing .cta-box p{color:var(--muted);margin:16px 0 28px}.opc-landing 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