*{margin:0;padding:0;box-sizing:border-box}
:root{--primary:#4A90D9;--primary-dark:#357ABD;--primary-light:#6BA5E7;--secondary:#FF6B35;--text:#333;--text-light:#666;--bg:#fff;--bg-light:#f8f9fa;--border:#e1e5e9;--shadow:0 2px 12px rgba(0,0,0,.08);--radius:12px;--transition:.3s ease}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--text);line-height:1.6;background:var(--bg)}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
a{text-decoration:none;color:inherit;transition:color var(--transition)}
ul{list-style:none}
img{max-width:100%;height:auto;display:block}
.btn-primary{display:inline-block;padding:12px 28px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;border-radius:8px;font-weight:600;transition:all var(--transition);border:none;cursor:pointer}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(74,144,217,.35)}
.btn-outline{display:inline-block;padding:12px 28px;border:2px solid var(--primary);color:var(--primary);border-radius:8px;font-weight:600;transition:all var(--transition);background:transparent;cursor:pointer}
.btn-outline:hover{background:var(--primary);color:#fff}
.btn-large{padding:16px 36px;font-size:1.1rem}
.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,.95);backdrop-filter:blur(10px);transition:all var(--transition);border-bottom:1px solid transparent}
.navbar.scrolled{background:rgba(255,255,255,.98);box-shadow:var(--shadow);border-bottom-color:var(--border)}
.nav-container{max-width:1200px;margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;height:70px}
.nav-logo{display:flex;align-items:center;gap:10px;font-size:1.4rem;font-weight:700;color:var(--primary)}
.nav-logo img{height:36px;width:auto}
.logo-text{background:linear-gradient(135deg,var(--primary),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.nav-menu{display:flex;align-items:center;gap:8px}
.nav-item{position:relative}
.nav-link{display:block;padding:10px 16px;color:var(--text);font-weight:500;border-radius:8px;transition:all var(--transition)}
.nav-link:hover,.nav-link.active{color:var(--primary);background:rgba(74,144,217,.08)}
.nav-link .arrow{display:inline-block;margin-left:4px;font-size:.7rem;transition:transform var(--transition)}
.nav-item:hover .arrow{transform:rotate(180deg)}
.dropdown-menu{position:absolute;top:100%;left:0;min-width:180px;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:8px 0;opacity:0;visibility:hidden;transform:translateY(10px);transition:all var(--transition)}
.nav-item:hover .dropdown-menu{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown-menu li a{display:block;padding:10px 20px;color:var(--text);font-size:.95rem;transition:all var(--transition)}
.dropdown-menu li a:hover{background:var(--bg-light);color:var(--primary)}
.nav-actions{display:flex;align-items:center;gap:12px}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.hamburger span{display:block;width:24px;height:2px;background:var(--text);transition:all var(--transition)}
.hero{padding:120px 0 80px;background:linear-gradient(135deg,#f0f7ff 0%,#e8f4f8 100%);min-height:90vh;display:flex;align-items:center}
.hero-container{max-width:1200px;margin:0 auto;padding:0 20px;display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.hero-badge{display:inline-block;padding:8px 16px;background:rgba(74,144,217,.1);color:var(--primary);border-radius:20px;font-size:.9rem;font-weight:600;margin-bottom:20px}
.hero h1{font-size:3rem;font-weight:800;line-height:1.2;margin-bottom:20px;background:linear-gradient(135deg,var(--text) 0%,var(--primary) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-subtitle{font-size:1.2rem;color:var(--text-light);margin-bottom:32px}
.hero-buttons{display:flex;gap:16px;margin-bottom:40px;flex-wrap:wrap}
.hero-stats{display:flex;gap:40px}
.stat-item{text-align:center}
.stat-number{display:block;font-size:2rem;font-weight:800;color:var(--primary)}
.stat-label{font-size:.9rem;color:var(--text-light)}
.hero-demo{position:relative}
.demo-window{background:#1a1a2e;border-radius:16px;overflow:hidden;box-shadow:0 20px 60px rgba(0,0,0,.2)}
.demo-header{display:flex;align-items:center;gap:8px;padding:12px 16px;background:#16213e}
.demo-dot{width:12px;height:12px;border-radius:50%}
.demo-dot.red{background:#ff5f56}
.demo-dot.yellow{background:#ffbd2e}
.demo-dot.green{background:#27c93f}
.demo-title{margin-left:auto;color:#8892b0;font-size:.85rem}
.demo-body{padding:24px}
.demo-status{display:flex;align-items:center;justify-content:center;margin-bottom:20px}
.status-indicator{display:flex;align-items:center;gap:10px;padding:10px 20px;background:rgba(255,255,255,.05);border-radius:30px}
.status-dot{width:10px;height:10px;border-radius:50%;background:#ff5f56;transition:background var(--transition)}
.status-dot.connected{background:#27c93f;animation:pulse 2s infinite}
.status-text{color:#8892b0;font-size:.9rem}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.5}}
.demo-map{margin-bottom:20px}
.world-map{width:100%;height:auto}
.node-point{transition:all var(--transition);cursor:pointer}
.node-point:hover{r:10;fill:var(--secondary)}
.demo-controls{display:flex;gap:12px;margin-bottom:20px}
.node-select{flex:1;padding:12px 16px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:8px;color:#fff;font-size:.95rem;cursor:pointer}
.node-select option{background:#1a1a2e}
.connect-btn{padding:12px 28px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;border:none;border-radius:8px;font-weight:600;cursor:pointer;transition:all var(--transition)}
.connect-btn:hover{transform:scale(1.05)}
.connect-btn.connected{background:linear-gradient(135deg,#27c93f,#1ea835)}
.demo-stats{display:flex;justify-content:center;gap:40px}
.demo-stat{display:flex;align-items:center;gap:8px;color:#8892b0}
.stat-icon{font-size:1.2rem}
.stat-value{font-size:1.5rem;font-weight:700;color:#fff}
.stat-unit{font-size:.85rem}
section{padding:80px 0}
.section-header{text-align:center;margin-bottom:60px}
.section-header h2{font-size:2.5rem;font-weight:700;margin-bottom:12px}
.section-header p{font-size:1.1rem;color:var(--text-light)}
.features{background:var(--bg-light)}
.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.feature-card{background:#fff;padding:32px 24px;border-radius:var(--radius);text-align:center;transition:all var(--transition);border:1px solid var(--border)}
.feature-card:hover{transform:translateY(-8px);box-shadow:var(--shadow);border-color:var(--primary)}
.feature-icon{font-size:3rem;margin-bottom:16px}
.feature-card h3{font-size:1.2rem;margin-bottom:12px}
.feature-card p{color:var(--text-light);font-size:.95rem}
.nodes{background:linear-gradient(135deg,#1a1a2e 0%,#16213e 100%);color:#fff}
.nodes .section-header h2,.nodes .section-header p{color:#fff}
.nodes-map{max-width:1000px;margin:0 auto}
.map-container{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.region-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);padding:24px;transition:all var(--transition)}
.region-card:hover{background:rgba(255,255,255,.1);transform:translateY(-4px)}
.region-card h4{font-size:1.2rem;margin-bottom:16px;color:var(--primary-light)}
.node-list{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.node-tag{padding:4px 12px;background:rgba(74,144,217,.2);border-radius:20px;font-size:.85rem}
.region-stats{color:#8892b0;font-size:.9rem}
.protocol-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.protocol-card{background:#fff;padding:32px 24px;border-radius:var(--radius);text-align:center;border:2px solid var(--border);transition:all var(--transition)}
.protocol-card:hover{border-color:var(--primary);transform:translateY(-4px)}
.protocol-name{font-size:1.4rem;font-weight:700;color:var(--primary);margin-bottom:12px}
.protocol-desc{color:var(--text-light);font-size:.95rem;margin-bottom:16px}
.protocol-features{display:flex;flex-wrap:wrap;justify-content:center;gap:8px}
.protocol-features span{padding:4px 12px;background:var(--bg-light);border-radius:20px;font-size:.8rem;color:var(--text-light)}
.scenarios{background:var(--bg-light)}
.scenarios-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scenario-card{background:#fff;padding:32px 24px;border-radius:var(--radius);text-align:center;transition:all var(--transition);border:1px solid var(--border)}
.scenario-card:hover{transform:translateY(-8px);box-shadow:var(--shadow);border-color:var(--primary)}
.scenario-icon{font-size:3rem;margin-bottom:16px}
.scenario-card h3{font-size:1.2rem;margin-bottom:12px}
.scenario-card p{color:var(--text-light);font-size:.95rem}
.steps-grid{display:flex;align-items:center;justify-content:center;gap:24px;flex-wrap:wrap}
.step-card{background:#fff;padding:40px 32px;border-radius:var(--radius);text-align:center;flex:1;min-width:250px;max-width:320px;position:relative;border:2px solid var(--border);transition:all var(--transition)}
.step-card:hover{border-color:var(--primary);transform:translateY(-4px)}
.step-number{position:absolute;top:-20px;left:50%;transform:translateX(-50%);width:40px;height:40px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700}
.step-icon{font-size:3rem;margin:16px 0}
.step-card h3{font-size:1.3rem;margin-bottom:12px}
.step-card p{color:var(--text-light)}
.step-connector{width:60px;height:2px;background:linear-gradient(90deg,var(--primary),var(--primary-light));position:relative}
.step-connector::after{content:"→";position:absolute;right:-10px;top:-12px;color:var(--primary);font-size:1.5rem}
.pricing{background:var(--bg-light)}
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:1000px;margin:0 auto}
.pricing-card{background:#fff;padding:40px 32px;border-radius:var(--radius);text-align:center;border:2px solid var(--border);transition:all var(--transition);position:relative}
.pricing-card:hover{transform:translateY(-8px);box-shadow:var(--shadow)}
.pricing-card.popular{border-color:var(--primary);transform:scale(1.05)}
.popular-badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);padding:6px 20px;background:linear-gradient(135deg,var(--secondary),#ff8c5a);color:#fff;border-radius:20px;font-size:.85rem;font-weight:600}
.pricing-header h3{font-size:1.4rem;margin-bottom:16px}
.pricing-price{margin-bottom:24px}
.price-currency{font-size:1.2rem;vertical-align:top}
.price-amount{font-size:3.5rem;font-weight:800;color:var(--primary)}
.price-period{color:var(--text-light)}
.pricing-features{text-align:left;margin-bottom:32px}
.pricing-features li{padding:10px 0;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px}
.pricing-features li::before{content:"✓";color:var(--primary);font-weight:700}
.faq-grid{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);margin-bottom:16px;overflow:hidden;transition:all var(--transition)}
.faq-item:hover{border-color:var(--primary)}
.faq-item h3{padding:20px 24px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-size:1.1rem;transition:all var(--transition)}
.faq-item h3::after{content:"+";font-size:1.5rem;color:var(--primary);transition:transform var(--transition)}
.faq-item.active h3::after{transform:rotate(45deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s ease;padding:0 24px}
.faq-item.active .faq-answer{max-height:500px;padding:0 24px 20px}
.faq-answer p{margin-bottom:12px;color:var(--text-light)}
.faq-answer ol{padding-left:20px;margin-bottom:12px}
.faq-answer ol li{margin-bottom:8px;color:var(--text-light)}
.testimonials{background:var(--bg-light)}
.testimonials-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.testimonial-card{background:#fff;padding:32px;border-radius:var(--radius);border:1px solid var(--border);transition:all var(--transition)}
.testimonial-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.testimonial-rating{color:#ffc107;font-size:1.2rem;margin-bottom:16px}
.testimonial-text{color:var(--text-light);font-style:italic;margin-bottom:20px;line-height:1.8}
.testimonial-author{display:flex;align-items:center;gap:12px}
.author-avatar{width:48px;height:48px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.2rem}
.author-name{font-weight:600}
.author-title{font-size:.85rem;color:var(--text-light)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:40px}
.news-card{background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);transition:all var(--transition)}
.news-card:hover{transform:translateY(-8px);box-shadow:var(--shadow)}
.news-image{height:200px;overflow:hidden;background:var(--bg-light)}
.news-image img{width:100%;height:100%;object-fit:cover;transition:transform var(--transition)}
.news-card:hover .news-image img{transform:scale(1.05)}
.news-content{padding:24px}
.news-meta{display:flex;gap:12px;margin-bottom:12px;font-size:.85rem}
.news-date{color:var(--text-light)}
.news-tag{padding:2px 10px;background:rgba(74,144,217,.1);color:var(--primary);border-radius:12px}
.news-content h3{font-size:1.1rem;margin-bottom:12px;line-height:1.4}
.news-content h3 a:hover{color:var(--primary)}
.news-content p{color:var(--text-light);font-size:.95rem;margin-bottom:16px}
.news-link{color:var(--primary);font-weight:600}
.news-more{text-align:center}
.cta{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);color:#fff;text-align:center}
.cta h2{font-size:2.5rem;margin-bottom:16px}
.cta p{font-size:1.2rem;margin-bottom:32px;opacity:.9}
.cta .btn-primary{background:#fff;color:var(--primary)}
.cta .btn-primary:hover{background:var(--bg-light)}
footer{background:#1a1a2e;color:#fff;padding:60px 0 30px}
.footer-container{max-width:1200px;margin:0 auto;padding:0 20px}
.footer-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-bottom:40px}
.footer-col h4{font-size:1.1rem;margin-bottom:20px;color:var(--primary-light)}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{color:#8892b0;transition:color var(--transition)}
.footer-col ul li a:hover{color:#fff}
.footer-bottom{text-align:center;padding-top:30px;border-top:1px solid rgba(255,255,255,.1);color:#8892b0}
@media(max-width:992px){.hero-container{grid-template-columns:1fr;text-align:center}.hero-stats{justify-content:center}.hero-demo{max-width:500px;margin:0 auto}.features-grid,.protocol-grid{grid-template-columns:repeat(2,1fr)}.scenarios-grid,.testimonials-grid,.news-grid{grid-template-columns:repeat(2,1fr)}.pricing-grid{grid-template-columns:1fr;max-width:400px}.pricing-card.popular{transform:none}.map-container{grid-template-columns:1fr}.nav-menu{position:fixed;top:70px;left:0;right:0;background:#fff;flex-direction:column;padding:20px;box-shadow:var(--shadow);transform:translateY(-100%);opacity:0;visibility:hidden;transition:all var(--transition)}.nav-menu.active{transform:translateY(0);opacity:1;visibility:visible}.hamburger{display:flex}.nav-item{width:100%}.nav-link{width:100%}.dropdown-menu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;display:none;padding-left:20px}.nav-item.dropdown-open .dropdown-menu{display:block}.step-connector{display:none}.steps-grid{flex-direction:column}.footer-grid{grid-template-columns:1fr;text-align:center}}
@media(max-width:768px){.hero h1{font-size:2rem}.section-header h2{font-size:1.8rem}.features-grid,.protocol-grid,.scenarios-grid,.testimonials-grid,.news-grid{grid-template-columns:1fr}.hero-stats{flex-direction:column;gap:20px}.demo-controls{flex-direction:column}.demo-stats{flex-direction:column;gap:16px}}
@media(max-width:480px){.hero{padding:100px 0 60px}.hero h1{font-size:1.6rem}.hero-buttons{flex-direction:column}.btn-large{width:100%;text-align:center}.stat-number{font-size:1.5rem}.feature-card,.scenario-card,.testimonial-card,.news-card{padding:20px}}