*{margin:0;padding:0;box-sizing:border-box}
:root{--primary:#6366f1;--primary-dark:#4f46e5;--secondary:#8b5cf6;--accent:#ec4899;--dark:#1e293b;--light:#f8fafc;--gray:#64748b;--success:#10b981;--warning:#f59e0b;--gradient:linear-gradient(135deg,#6366f1 0%,#8b5cf6 50%,#ec4899 100%)}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;line-height:1.6;color:var(--dark);background:var(--light);overflow-x:hidden}
a{text-decoration:none;color:inherit;transition:color .3s}
img{max-width:100%;height:auto;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 28px;border-radius:50px;font-weight:600;font-size:15px;cursor:pointer;transition:all .3s;border:none;text-align:center}
.btn-primary{background:var(--gradient);color:#fff;box-shadow:0 4px 15px rgba(99,102,241,.4)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(99,102,241,.5)}
.btn-outline{background:transparent;color:var(--primary);border:2px solid var(--primary)}
.btn-outline:hover{background:var(--primary);color:#fff}
.btn-lg{padding:16px 36px;font-size:17px}
.section{padding:80px 0}
.section-title{text-align:center;margin-bottom:50px}
.section-title h2{font-size:36px;font-weight:700;margin-bottom:15px;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.section-title p{font-size:18px;color:var(--gray);max-width:600px;margin:0 auto}
header{position:fixed;top:0;left:0;right:0;z-index:1000;padding:15px 0;transition:all .3s}
header.scrolled{background:rgba(30,41,59,.95);backdrop-filter:blur(10px);box-shadow:0 2px 20px rgba(0,0,0,.1);padding:10px 0}
.nav-container{display:flex;align-items:center;justify-content:space-between;max-width:1200px;margin:0 auto;padding:0 20px}
.logo{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:700;color:#fff}
.logo img{width:40px;height:40px;border-radius:8px}
.nav-menu{display:flex;align-items:center;gap:35px;list-style:none}
.nav-menu>li{position:relative}
.nav-menu>li>a{color:#fff;font-weight:500;font-size:15px;padding:8px 0;transition:color .3s}
.nav-menu>li>a:hover{color:var(--primary)}
.nav-menu>li>a .arrow{display:inline-block;margin-left:5px;transition:transform .3s;font-size:12px}
.nav-menu>li:hover>a .arrow{transform:rotate(180deg)}
.dropdown{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(10px);background:#fff;border-radius:12px;box-shadow:0 10px 40px rgba(0,0,0,.15);padding:15px;min-width:200px;opacity:0;visibility:hidden;transition:all .3s}
.nav-menu>li:hover .dropdown{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.dropdown a{display:block;padding:10px 15px;border-radius:8px;color:var(--dark);font-size:14px;transition:all .3s}
.dropdown a:hover{background:var(--light);color:var(--primary)}
.nav-btn{margin-left:20px}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:10px}
.hamburger span{width:25px;height:3px;background:#fff;border-radius:3px;transition:all .3s}
.hero{min-height:100vh;display:flex;align-items:center;background:linear-gradient(135deg,#1e293b 0%,#334155 50%,#1e293b 100%);position:relative;overflow:hidden;padding-top:80px}
.hero::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:url('../images/hero-bg.jpg') center/cover;opacity:.1}
.hero::after{content:'';position:absolute;top:-50%;right:-20%;width:80%;height:200%;background:radial-gradient(circle,rgba(99,102,241,.15) 0%,transparent 70%)}
.hero-content{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;position:relative;z-index:1}
.hero-text h1{font-size:48px;font-weight:800;color:#fff;line-height:1.2;margin-bottom:20px}
.hero-text h1 span{background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-text p{font-size:20px;color:rgba(255,255,255,.8);margin-bottom:30px}
.hero-stats{display:flex;gap:40px;margin-top:40px}
.stat-item{text-align:center}
.stat-item .number{font-size:36px;font-weight:700;color:#fff}
.stat-item .label{font-size:14px;color:rgba(255,255,255,.6);margin-top:5px}
.hero-buttons{display:flex;gap:15px;flex-wrap:wrap}
.demo-container{background:rgba(255,255,255,.05);backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.1);border-radius:20px;padding:30px;position:relative}
.demo-header{display:flex;align-items:center;gap:8px;margin-bottom:20px;padding-bottom:15px;border-bottom:1px solid rgba(255,255,255,.1)}
.demo-dot{width:12px;height:12px;border-radius:50%}
.demo-dot.red{background:#ff5f57}
.demo-dot.yellow{background:#ffbd2e}
.demo-dot.green{background:#28ca42}
.demo-title{color:#fff;font-size:14px;margin-left:10px;opacity:.7}
.demo-body{display:flex;flex-direction:column;gap:20px}
.demo-map{background:rgba(0,0,0,.3);border-radius:12px;padding:20px;position:relative;min-height:200px}
.demo-map svg{width:100%;height:auto}
.demo-controls{display:flex;justify-content:space-between;align-items:center}
.demo-connect-btn{background:var(--gradient);color:#fff;border:none;padding:15px 40px;border-radius:50px;font-size:16px;font-weight:600;cursor:pointer;transition:all .3s;box-shadow:0 4px 15px rgba(99,102,241,.4)}
.demo-connect-btn:hover{transform:scale(1.05);box-shadow:0 8px 25px rgba(99,102,241,.5)}
.demo-connect-btn.connected{background:linear-gradient(135deg,#10b981,#059669)}
.demo-status{color:#fff;font-size:14px}
.demo-speed{text-align:center;padding:15px;background:rgba(0,0,0,.2);border-radius:12px}
.demo-speed .value{font-size:32px;font-weight:700;color:#fff}
.demo-speed .unit{font-size:14px;color:rgba(255,255,255,.6)}
.demo-nodes{display:flex;gap:10px;flex-wrap:wrap}
.demo-node{padding:8px 16px;background:rgba(255,255,255,.1);border-radius:20px;color:#fff;font-size:13px;cursor:pointer;transition:all .3s;border:1px solid rgba(255,255,255,.1)}
.demo-node:hover,.demo-node.active{background:var(--primary);border-color:var(--primary)}
.features{background:#fff}
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:30px}
.feature-card{background:var(--light);border-radius:16px;padding:30px;text-align:center;transition:all .3s;border:1px solid transparent}
.feature-card:hover{transform:translateY(-5px);box-shadow:0 20px 40px rgba(0,0,0,.1);border-color:var(--primary)}
.feature-icon{width:70px;height:70px;margin:0 auto 20px;background:var(--gradient);border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:30px;color:#fff}
.feature-card h3{font-size:20px;font-weight:600;margin-bottom:10px}
.feature-card p{color:var(--gray);font-size:15px}
.scenarios{background:linear-gradient(180deg,var(--light) 0%,#fff 100%)}
.scenarios-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:25px}
.scenario-card{background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 5px 20px rgba(0,0,0,.08);transition:all .3s}
.scenario-card:hover{transform:translateY(-5px);box-shadow:0 15px 40px rgba(0,0,0,.12)}
.scenario-img{height:180px;background:var(--gradient);display:flex;align-items:center;justify-content:center;font-size:50px;color:#fff}
.scenario-content{padding:25px}
.scenario-content h3{font-size:18px;font-weight:600;margin-bottom:10px}
.scenario-content p{color:var(--gray);font-size:14px}
.pricing{background:#fff}
.pricing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px;max-width:1000px;margin:0 auto}
.pricing-card{background:var(--light);border-radius:20px;padding:40px 30px;text-align:center;position:relative;transition:all .3s;border:2px solid transparent}
.pricing-card:hover{transform:translateY(-5px)}
.pricing-card.popular{background:var(--gradient);color:#fff;border-color:var(--primary);transform:scale(1.05)}
.pricing-card.popular:hover{transform:scale(1.05) translateY(-5px)}
.pricing-badge{position:absolute;top:-15px;left:50%;transform:translateX(-50%);background:var(--accent);color:#fff;padding:5px 20px;border-radius:20px;font-size:13px;font-weight:600}
.pricing-card h3{font-size:22px;font-weight:600;margin-bottom:10px}
.pricing-price{font-size:48px;font-weight:700;margin:20px 0}
.pricing-price .currency{font-size:24px;vertical-align:top}
.pricing-price .period{font-size:16px;opacity:.7}
.pricing-features{list-style:none;margin:30px 0;text-align:left}
.pricing-features li{padding:10px 0;border-bottom:1px solid rgba(0,0,0,.05);display:flex;align-items:center;gap:10px}
.pricing-card.popular .pricing-features li{border-color:rgba(255,255,255,.2)}
.pricing-features li::before{content:'✓';color:var(--success);font-weight:700}
.pricing-card.popular .pricing-features li::before{color:#fff}
.faq{background:var(--light)}
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border-radius:12px;margin-bottom:15px;overflow:hidden;box-shadow:0 2px 10px rgba(0,0,0,.05)}
.faq-question{padding:20px 25px;font-weight:600;font-size:16px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:background .3s}
.faq-question:hover{background:var(--light)}
.faq-question::after{content:'+';font-size:24px;color:var(--primary);transition:transform .3s}
.faq-item.active .faq-question::after{transform:rotate(45deg)}
.faq-answer{padding:0 25px;max-height:0;overflow:hidden;transition:all .3s}
.faq-item.active .faq-answer{padding:0 25px 20px;max-height:500px}
.faq-answer p{color:var(--gray);line-height:1.8}
.testimonials{background:#fff}
.testimonials-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px}
.testimonial-card{background:var(--light);border-radius:16px;padding:30px;position:relative}
.testimonial-card::before{content:'"';position:absolute;top:10px;left:20px;font-size:60px;color:var(--primary);opacity:.2;font-family:serif}
.testimonial-content{position:relative;z-index:1}
.testimonial-text{color:var(--dark);font-size:15px;line-height:1.8;margin-bottom:20px;font-style:italic}
.testimonial-author{display:flex;align-items:center;gap:15px}
.testimonial-avatar{width:50px;height:50px;border-radius:50%;background:var(--gradient);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:18px}
.testimonial-info h4{font-size:16px;font-weight:600}
.testimonial-info p{font-size:13px;color:var(--gray)}
.news{background:var(--light)}
.news-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:30px}
.news-card{background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 5px 20px rgba(0,0,0,.08);transition:all .3s}
.news-card:hover{transform:translateY(-5px);box-shadow:0 15px 40px rgba(0,0,0,.12)}
.news-img{height:200px;background:var(--gradient);display:flex;align-items:center;justify-content:center;color:#fff;font-size:40px}
.news-img img{width:100%;height:100%;object-fit:cover}
.news-content{padding:25px}
.news-date{font-size:13px;color:var(--gray);margin-bottom:10px}
.news-content h3{font-size:18px;font-weight:600;margin-bottom:10px;line-height:1.4}
.news-content h3 a:hover{color:var(--primary)}
.news-excerpt{color:var(--gray);font-size:14px;line-height:1.6}
.cta{background:var(--gradient);padding:80px 0;text-align:center}
.cta h2{font-size:36px;font-weight:700;color:#fff;margin-bottom:20px}
.cta p{font-size:18px;color:rgba(255,255,255,.9);margin-bottom:30px;max-width:600px;margin-left:auto;margin-right:auto}
.cta .btn{background:#fff;color:var(--primary)}
.cta .btn:hover{background:var(--dark);color:#fff}
footer{background:var(--dark);color:#fff;padding:60px 0 30px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand p{color:rgba(255,255,255,.6);margin-top:15px;font-size:14px;line-height:1.8}
.footer-col h4{font-size:16px;font-weight:600;margin-bottom:20px}
.footer-col ul{list-style:none}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{color:rgba(255,255,255,.6);font-size:14px;transition:color .3s}
.footer-col ul li a:hover{color:var(--primary)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:30px;text-align:center;color:rgba(255,255,255,.5);font-size:14px}
.breadcrumb{background:var(--light);padding:15px 0;border-bottom:1px solid #e2e8f0}
.breadcrumb-list{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--gray)}
.breadcrumb-list a:hover{color:var(--primary)}
.breadcrumb-list span{color:var(--primary)}
.article-container{display:grid;grid-template-columns:1fr 320px;gap:40px;padding:40px 0}
.article-main{background:#fff;border-radius:16px;padding:40px;box-shadow:0 5px 20px rgba(0,0,0,.08)}
.article-main h1{font-size:32px;font-weight:700;line-height:1.4;margin-bottom:20px}
.article-meta{display:flex;align-items:center;gap:20px;color:var(--gray);font-size:14px;margin-bottom:30px;padding-bottom:20px;border-bottom:1px solid #e2e8f0}
.article-content{line-height:1.9;font-size:16px;color:#334155}
.article-content h2{font-size:24px;font-weight:600;margin:30px 0 15px;color:var(--dark)}
.article-content p{margin-bottom:20px}
.article-content img{border-radius:12px;margin:20px 0}
.article-sidebar{position:sticky;top:100px;align-self:start}
.sidebar-card{background:#fff;border-radius:16px;padding:25px;margin-bottom:20px;box-shadow:0 5px 20px rgba(0,0,0,.08)}
.sidebar-card h3{font-size:18px;font-weight:600;margin-bottom:20px;padding-left:15px;border-left:4px solid var(--primary)}
.toc-list{list-style:none}
.toc-list li{padding:10px 0;border-left:2px solid #e2e8f0;margin-left:10px;padding-left:20px;position:relative;transition:all .3s}
.toc-list li::before{content:'';position:absolute;left:-6px;top:50%;transform:translateY(-50%);width:10px;height:10px;border-radius:50%;background:#e2e8f0;transition:all .3s}
.toc-list li.active{border-color:var(--primary)}
.toc-list li.active::before{background:var(--primary)}
.toc-list li a{color:var(--gray);font-size:14px;transition:color .3s}
.toc-list li.active a{color:var(--primary);font-weight:600}
.hot-news-list{list-style:none}
.hot-news-list li{display:flex;align-items:center;gap:15px;padding:12px 0;border-bottom:1px solid #f1f5f9}
.hot-news-list li:last-child{border-bottom:none}
.hot-rank{width:28px;height:28px;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;color:#fff;flex-shrink:0}
.hot-rank.rank-1{background:linear-gradient(135deg,#f59e0b,#d97706)}
.hot-rank.rank-2{background:linear-gradient(135deg,#8b5cf6,#6d28d9)}
.hot-rank.rank-3{background:linear-gradient(135deg,#ec4899,#be185d)}
.hot-rank.rank-other{background:#94a3b8}
.hot-news-list li a{font-size:14px;color:var(--dark);transition:color .3s;flex:1}
.hot-news-list li a:hover{color:var(--primary)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
.tag-item{padding:6px 14px;background:var(--light);border-radius:20px;font-size:13px;color:var(--gray);transition:all .3s;cursor:pointer}
.tag-item:hover{background:var(--primary);color:#fff}
.comments-section{margin-top:40px;padding-top:40px;border-top:1px solid #e2e8f0}
.comments-section h3{font-size:20px;font-weight:600;margin-bottom:25px}
.comment-item{display:flex;gap:15px;padding:20px 0;border-bottom:1px solid #f1f5f9}
.comment-item:last-child{border-bottom:none}
.comment-avatar{width:45px;height:45px;border-radius:50%;background:var(--gradient);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:16px;flex-shrink:0}
.comment-content{flex:1}
.comment-header{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.comment-name{font-weight:600;font-size:15px}
.comment-date{font-size:13px;color:var(--gray)}
.comment-text{font-size:14px;color:#475569;line-height:1.7}
.related-news{margin-top:40px;padding-top:40px;border-top:1px solid #e2e8f0}
.related-news h3{font-size:20px;font-weight:600;margin-bottom:25px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.related-card{background:var(--light);border-radius:12px;padding:20px;transition:all .3s}
.related-card:hover{background:#fff;box-shadow:0 5px 20px rgba(0,0,0,.1)}
.related-card h4{font-size:15px;font-weight:600;margin-bottom:8px;line-height:1.4}
.related-card p{font-size:13px;color:var(--gray)}
.article-nav{display:flex;justify-content:space-between;margin-top:30px;padding-top:30px;border-top:1px solid #e2e8f0}
.article-nav a{display:flex;align-items:center;gap:10px;padding:15px 20px;background:var(--light);border-radius:12px;font-size:14px;transition:all .3s;max-width:45%}
.article-nav a:hover{background:var(--primary);color:#fff}
.download-hero{background:linear-gradient(135deg,#1e293b 0%,#334155 100%);padding:120px 0 80px;color:#fff}
.download-hero .hero-content{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.download-info h1{font-size:42px;font-weight:700;margin-bottom:20px}
.download-info p{font-size:18px;opacity:.8;margin-bottom:30px}
.download-stats{display:flex;gap:30px;margin-top:30px}
.download-stat{text-align:center}
.download-stat .value{font-size:28px;font-weight:700}
.download-stat .label{font-size:13px;opacity:.7;margin-top:5px}
.versions{background:#fff}
.version-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px}
.version-card{background:var(--light);border-radius:16px;padding:30px;text-align:center;transition:all .3s;border:2px solid transparent}
.version-card:hover{border-color:var(--primary);transform:translateY(-5px)}
.version-card h3{font-size:22px;font-weight:600;margin-bottom:10px}
.version-size{color:var(--gray);font-size:14px;margin-bottom:20px}
.version-features{list-style:none;text-align:left;margin:20px 0}
.version-features li{padding:8px 0;font-size:14px;display:flex;align-items:center;gap:10px}
.version-features li::before{content:'✓';color:var(--success);font-weight:700}
.system-req{background:var(--light)}
.req-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}
.req-item{background:#fff;border-radius:12px;padding:25px;display:flex;align-items:center;gap:15px}
.req-icon{width:50px;height:50px;background:var(--gradient);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:24px;color:#fff;flex-shrink:0}
.req-info h4{font-size:15px;font-weight:600;margin-bottom:5px}
.req-info p{font-size:13px;color:var(--gray)}
.install-steps{background:#fff}
.steps-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:30px}
.step-card{text-align:center;padding:30px;position:relative}
.step-number{width:60px;height:60px;background:var(--gradient);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:24px;font-weight:700;margin:0 auto 20px}
.step-card h3{font-size:18px;font-weight:600;margin-bottom:10px}
.step-card p{color:var(--gray);font-size:14px}
.sitemap-page{padding:100px 0 60px}
.sitemap-page h1{font-size:36px;font-weight:700;text-align:center;margin-bottom:40px}
.sitemap-section{background:#fff;border-radius:16px;padding:30px;margin-bottom:20px;box-shadow:0 5px 20px rgba(0,0,0,.08)}
.sitemap-section h2{font-size:20px;font-weight:600;margin-bottom:20px;padding-bottom:15px;border-bottom:2px solid var(--primary)}
.sitemap-links{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:15px}
.sitemap-links a{display:block;padding:10px 15px;background:var(--light);border-radius:8px;font-size:14px;transition:all .3s}
.sitemap-links a:hover{background:var(--primary);color:#fff}
.error-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--light);text-align:center}
.error-content h1{font-size:120px;font-weight:700;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.error-content p{font-size:20px;color:var(--gray);margin:20px 0 30px}
.countdown{font-size:16px;color:var(--primary);font-weight:600}
.mobile-menu{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(30,41,59,.98);z-index:999;display:none;flex-direction:column;align-items:center;justify-content:center;gap:30px}
.mobile-menu.active{display:flex}
.mobile-menu a{color:#fff;font-size:20px;font-weight:500}
.mobile-close{position:absolute;top:20px;right:20px;font-size:30px;color:#fff;cursor:pointer}
@media(max-width:992px){.hero-content,.download-hero .hero-content{grid-template-columns:1fr;text-align:center}.hero-stats,.download-stats{justify-content:center}.hero-buttons{justify-content:center}.demo-container{margin-top:40px}.footer-grid{grid-template-columns:1fr 1fr}.article-container{grid-template-columns:1fr}.article-sidebar{position:static}.nav-menu{display:none}.hamburger{display:flex}.related-grid{grid-template-columns:1fr}}
@media(max-width:768px){.hero-text h1{font-size:36px}.section-title h2{font-size:28px}.footer-grid{grid-template-columns:1fr}.pricing-card.popular{transform:none}.pricing-card.popular:hover{transform:translateY(-5px)}.features-grid,.scenarios-grid,.news-grid,.version-grid,.req-grid,.steps-grid{grid-template-columns:1fr}}
@media(max-width:480px){.hero-text h1{font-size:28px}.hero-stats{flex-direction:column;gap:20px}.btn{padding:10px 20px;font-size:14px}.section{padding:50px 0}}