*{margin:0;padding:0;box-sizing:border-box}
:root{--primary:#6366f1;--primary-dark:#4f46e5;--secondary:#8b5cf6;--accent:#ec4899;--dark:#0f172a;--gray:#64748b;--light:#f8fafc;--white:#ffffff;--shadow:0 4px 6px -1px rgba(0,0,0,0.1);--shadow-lg:0 10px 15px -3px rgba(0,0,0,0.1);--gradient:linear-gradient(135deg,#6366f1 0%,#8b5cf6 100%);--gradient-accent:linear-gradient(135deg,#ec4899 0%,#8b5cf6 100%)}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;line-height:1.6;color:var(--dark);background:var(--white);overflow-x:hidden}
a{text-decoration:none;color:inherit;transition:all 0.3s}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.btn{display:inline-block;padding:12px 32px;border-radius:8px;font-weight:600;transition:all 0.3s;cursor:pointer;border:none;font-size:16px}
.btn-primary{background:var(--gradient);color:var(--white);box-shadow:0 4px 14px rgba(99,102,241,0.4)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(99,102,241,0.6)}
.btn-secondary{background:var(--white);color:var(--primary);border:2px solid var(--primary)}
.btn-secondary:hover{background:var(--primary);color:var(--white)}
.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,0.95);backdrop-filter:blur(10px);transition:all 0.3s;padding:15px 0}
.navbar.scrolled{background:rgba(15,23,42,0.95);box-shadow:var(--shadow)}
.navbar .container{display:flex;align-items:center;justify-content:space-between}
.logo{font-size:24px;font-weight:700;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.nav-menu{display:flex;align-items:center;gap:30px;list-style:none}
.nav-item{position:relative}
.nav-link{color:var(--dark);font-weight:500;cursor:pointer;display:flex;align-items:center;gap:5px}
.navbar.scrolled .nav-link{color:var(--white)}
.nav-link:hover{color:var(--primary)}
.dropdown{position:absolute;top:100%;left:0;background:var(--white);border-radius:12px;box-shadow:var(--shadow-lg);padding:10px;min-width:200px;opacity:0;visibility:hidden;transform:translateY(10px);transition:all 0.3s}
.nav-item:hover .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown-item{padding:10px 15px;border-radius:8px;color:var(--dark);display:block}
.dropdown-item:hover{background:var(--light);color:var(--primary)}
.arrow{transition:transform 0.3s;display:inline-block}
.nav-item:hover .arrow{transform:rotate(180deg)}
.mobile-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer}
.mobile-toggle span{width:25px;height:3px;background:var(--dark);transition:all 0.3s}
.navbar.scrolled .mobile-toggle span{background:var(--white)}
.hero{padding:120px 0 80px;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:var(--white);position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><circle cx="100" cy="100" r="80" fill="rgba(255,255,255,0.05)"/><circle cx="1100" cy="500" r="120" fill="rgba(255,255,255,0.05)"/></svg>');opacity:0.3}
.hero .container{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;position:relative;z-index:1}
.hero-content h1{font-size:48px;font-weight:800;margin-bottom:20px;line-height:1.2}
.hero-content p{font-size:20px;margin-bottom:30px;opacity:0.9}
.hero-stats{display:flex;gap:40px;margin-top:40px}
.stat-item{text-align:center}
.stat-value{font-size:36px;font-weight:700;display:block}
.stat-label{font-size:14px;opacity:0.8}
.hero-demo{background:rgba(255,255,255,0.1);border-radius:20px;padding:30px;backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,0.2)}
.demo-header{display:flex;gap:8px;margin-bottom:20px}
.demo-dot{width:12px;height:12px;border-radius:50%;background:rgba(255,255,255,0.3)}
.demo-content{background:rgba(255,255,255,0.05);border-radius:12px;padding:20px;min-height:300px}
.section{padding:80px 0}
.section-title{text-align:center;font-size:36px;font-weight:700;margin-bottom:15px}
.section-subtitle{text-align:center;color:var(--gray);font-size:18px;margin-bottom:60px}
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:30px}
.feature-card{background:var(--white);border-radius:16px;padding:30px;box-shadow:var(--shadow);transition:all 0.3s;border:1px solid rgba(0,0,0,0.05)}
.feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.feature-icon{width:60px;height:60px;border-radius:12px;background:var(--gradient);display:flex;align-items:center;justify-content:center;margin-bottom:20px;font-size:28px}
.feature-card h3{font-size:20px;margin-bottom:10px}
.feature-card p{color:var(--gray);line-height:1.6}
.scenarios-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px}
.scenario-card{position:relative;border-radius:16px;overflow:hidden;height:250px;cursor:pointer}
.scenario-card img{width:100%;height:100%;object-fit:cover;transition:transform 0.3s}
.scenario-card:hover img{transform:scale(1.1)}
.scenario-overlay{position:absolute;bottom:0;left:0;right:0;background:linear-gradient(to top,rgba(0,0,0,0.8),transparent);padding:30px;color:var(--white)}
.scenario-overlay h3{font-size:22px;margin-bottom:8px}
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;max-width:1000px;margin:0 auto}
.pricing-card{background:var(--white);border-radius:16px;padding:40px 30px;text-align:center;box-shadow:var(--shadow);transition:all 0.3s;border:2px solid transparent}
.pricing-card.popular{border-color:var(--primary);transform:scale(1.05);position:relative}
.popular-badge{position:absolute;top:-15px;left:50%;transform:translateX(-50%);background:var(--gradient);color:var(--white);padding:5px 20px;border-radius:20px;font-size:14px;font-weight:600}
.pricing-card h3{font-size:24px;margin-bottom:10px}
.pricing-price{font-size:48px;font-weight:700;color:var(--primary);margin:20px 0}
.pricing-price span{font-size:16px;color:var(--gray)}
.pricing-features{list-style:none;margin:30px 0;text-align:left}
.pricing-features li{padding:10px 0;border-bottom:1px solid var(--light);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:var(--white);border-radius:12px;margin-bottom:15px;box-shadow:var(--shadow);overflow:hidden}
.faq-question{padding:20px 30px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:18px}
.faq-answer{padding:0 30px;max-height:0;overflow:hidden;transition:all 0.3s;color:var(--gray);line-height:1.8}
.faq-item.active .faq-answer{padding:0 30px 20px;max-height:500px}
.faq-item.active .arrow{transform:rotate(180deg)}
.testimonials-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px}
.testimonial-card{background:var(--white);border-radius:16px;padding:30px;box-shadow:var(--shadow)}
.testimonial-header{display:flex;align-items:center;gap:15px;margin-bottom:20px}
.testimonial-avatar{width:50px;height:50px;border-radius:50%;background:var(--gradient);display:flex;align-items:center;justify-content:center;color:var(--white);font-weight:700;font-size:20px}
.testimonial-info h4{font-size:16px;margin-bottom:5px}
.testimonial-info p{font-size:14px;color:var(--gray)}
.testimonial-stars{color:#fbbf24;margin-bottom:15px}
.testimonial-text{color:var(--gray);line-height:1.8}
.news-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:30px}
.news-card{background:var(--white);border-radius:16px;overflow:hidden;box-shadow:var(--shadow);transition:all 0.3s}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.news-image{height:200px;overflow:hidden}
.news-image img{width:100%;height:100%;object-fit:cover;transition:transform 0.3s}
.news-card:hover .news-image img{transform:scale(1.1)}
.news-content{padding:25px}
.news-date{font-size:14px;color:var(--gray);margin-bottom:10px}
.news-content h3{font-size:20px;margin-bottom:10px;line-height:1.4}
.news-content p{color:var(--gray);line-height:1.6;margin-bottom:15px}
.news-link{color:var(--primary);font-weight:600;display:inline-flex;align-items:center;gap:5px}
.cta-section{background:var(--gradient);color:var(--white);text-align:center;padding:80px 0}
.cta-section h2{font-size:36px;margin-bottom:20px}
.cta-section p{font-size:18px;margin-bottom:30px;opacity:0.9}
.footer{background:var(--dark);color:var(--white);padding:60px 0 30px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-col h3{font-size:18px;margin-bottom:20px}
.footer-col p{color:rgba(255,255,255,0.7);line-height:1.8;margin-bottom:15px}
.footer-col ul{list-style:none}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{color:rgba(255,255,255,0.7);transition:color 0.3s}
.footer-col ul li a:hover{color:var(--primary)}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.1);padding-top:30px;text-align:center;color:rgba(255,255,255,0.5)}
.download-page .hero{padding:100px 0 60px}
.download-options{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px;margin:60px 0}
.download-card{background:var(--white);border-radius:16px;padding:30px;box-shadow:var(--shadow);text-align:center}
.download-card h3{font-size:24px;margin-bottom:15px}
.download-card .version{color:var(--gray);margin-bottom:20px}
.download-card .size{display:inline-block;background:var(--light);padding:5px 15px;border-radius:20px;font-size:14px;margin-bottom:20px}
.system-requirements{background:var(--light);border-radius:16px;padding:40px;margin:60px 0}
.requirements-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;margin-top:30px}
.requirement-item{background:var(--white);padding:20px;border-radius:12px;display:flex;align-items:center;gap:15px}
.requirement-icon{width:50px;height:50px;border-radius:10px;background:var(--gradient);display:flex;align-items:center;justify-content:center;color:var(--white);font-size:24px}
.install-steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:30px;margin:60px 0}
.step-card{text-align:center;padding:30px}
.step-number{width:60px;height:60px;border-radius:50%;background:var(--gradient);color:var(--white);display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:700;margin:0 auto 20px}
.news-article{padding:120px 0 80px}
.article-container{display:grid;grid-template-columns:1fr 300px;gap:40px;max-width:1200px;margin:0 auto}
.article-content{background:var(--white);border-radius:16px;padding:40px;box-shadow:var(--shadow)}
.article-sidebar{position:sticky;top:100px;height:fit-content}
.sidebar-card{background:var(--white);border-radius:12px;padding:25px;box-shadow:var(--shadow);margin-bottom:20px}
.sidebar-card h3{font-size:18px;margin-bottom:20px;padding-left:15px;border-left:4px solid var(--primary)}
.toc-list{list-style:none}
.toc-list li{padding:10px 0;border-bottom:1px solid var(--light);position:relative;padding-left:20px}
.toc-list li:before{content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);width:8px;height:8px;border-radius:50%;background:var(--gray)}
.toc-list li.active:before{background:var(--primary)}
.toc-list li.active{color:var(--primary);font-weight:600}
.hot-news-list{list-style:none;counter-reset:hot-news}
.hot-news-list li{padding:12px 0;border-bottom:1px solid var(--light);display:flex;align-items:center;gap:15px;counter-increment:hot-news}
.hot-news-list li:before{content:counter(hot-news);width:30px;height:30px;border-radius:50%;background:var(--light);display:flex;align-items:center;justify-content:center;font-weight:700;color:var(--gray);flex-shrink:0}
.hot-news-list li:nth-child(1):before{background:linear-gradient(135deg,#f59e0b,#ef4444);color:var(--white)}
.hot-news-list li:nth-child(2):before{background:linear-gradient(135deg,#8b5cf6,#ec4899);color:var(--white)}
.hot-news-list li:nth-child(3):before{background:linear-gradient(135deg,#6366f1,#8b5cf6);color:var(--white)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
.tag{padding:8px 16px;background:var(--light);border-radius:20px;font-size:14px;transition:all 0.3s;cursor:pointer}
.tag:hover{background:var(--primary);color:var(--white)}
.breadcrumb{display:flex;gap:10px;align-items:center;margin-bottom:30px;font-size:14px;color:var(--gray)}
.breadcrumb a{color:var(--primary)}
.article-meta{display:flex;gap:20px;margin-bottom:30px;padding-bottom:20px;border-bottom:1px solid var(--light);font-size:14px;color:var(--gray)}
.article-content h1{font-size:32px;margin-bottom:20px;line-height:1.4}
.article-content h2{font-size:24px;margin:30px 0 15px;padding-top:20px}
.article-content p{margin-bottom:20px;line-height:1.8;color:var(--dark)}
.article-content img{width:100%;border-radius:12px;margin:20px 0}
.article-nav{display:flex;justify-content:space-between;margin-top:40px;padding-top:30px;border-top:1px solid var(--light)}
.article-nav a{color:var(--primary);font-weight:600}
.comments-section{margin-top:60px}
.comment{display:flex;gap:15px;padding:20px 0;border-bottom:1px solid var(--light)}
.comment-avatar{width:50px;height:50px;border-radius:50%;background:var(--gradient);display:flex;align-items:center;justify-content:center;color:var(--white);font-weight:700;flex-shrink:0}
.comment-content{flex:1}
.comment-header{display:flex;gap:10px;align-items:center;margin-bottom:8px}
.comment-name{font-weight:600}
.comment-date{font-size:14px;color:var(--gray)}
.comment-text{color:var(--gray);line-height:1.6}
.sitemap-page{padding:120px 0 80px}
.sitemap-content{max-width:800px;margin:0 auto}
.sitemap-section{margin-bottom:40px}
.sitemap-section h2{font-size:24px;margin-bottom:20px;color:var(--primary)}
.sitemap-section ul{list-style:none;padding-left:20px}
.sitemap-section ul li{padding:8px 0}
.sitemap-section ul li a{color:var(--dark);transition:color 0.3s}
.sitemap-section ul li a:hover{color:var(--primary)}
.error-page{min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;background:var(--gradient);color:var(--white)}
.error-content h1{font-size:120px;font-weight:800;margin-bottom:20px}
.error-content p{font-size:24px;margin-bottom:30px}
@media(max-width:992px){.hero .container{grid-template-columns:1fr;gap:40px}.hero-content h1{font-size:36px}.hero-stats{gap:20px}.nav-menu{position:fixed;top:70px;left:0;right:0;background:var(--white);flex-direction:column;padding:20px;transform:translateY(-150%);transition:transform 0.3s}.nav-menu.active{transform:translateY(0)}.mobile-toggle{display:flex}.dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;padding-left:20px;display:none}.nav-item.active .dropdown{display:block}.pricing-grid{grid-template-columns:1fr}.pricing-card.popular{transform:none}.footer-grid{grid-template-columns:1fr 1fr}.article-container{grid-template-columns:1fr}.article-sidebar{position:static}}
@media(max-width:768px){.hero-content h1{font-size:28px}.section-title{font-size:28px}.features-grid,.scenarios-grid,.news-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.hero-stats{flex-direction:column;gap:15px}}
@media(max-width:480px){.container{padding:0 15px}.hero{padding:100px 0 60px}.hero-content h1{font-size:24px}.btn{padding:10px 24px;font-size:14px}.section{padding:60px 0}}