*{margin:0;padding:0;box-sizing:border-box}
:root{--primary:#6d4aff;--primary-dark:#5a3fe6;--secondary:#1a1a2e;--accent:#00d4aa;--text:#333;--text-light:#666;--bg:#f8f9fa;--white:#fff;--shadow:0 4px 20px rgba(0,0,0,.08);--radius:12px;--transition:all .3s ease}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;color:var(--text);line-height:1.6;overflow-x:hidden}
a{text-decoration:none;color:inherit;transition:var(--transition)}
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:8px;font-weight:600;font-size:15px;cursor:pointer;transition:var(--transition);border:none;text-align:center}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:var(--white);box-shadow:0 4px 15px rgba(109,74,255,.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(109,74,255,.4)}
.btn-outline{background:transparent;color:var(--primary);border:2px solid var(--primary)}
.btn-outline:hover{background:var(--primary);color:var(--white)}
.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:12px;color:var(--secondary)}
.section-title p{font-size:18px;color:var(--text-light);max-width:600px;margin:0 auto}
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;padding:15px 0;transition:var(--transition)}
.nav.scrolled{background:rgba(26,26,46,.95);backdrop-filter:blur(10px);padding:10px 0;box-shadow:0 2px 20px rgba(0,0,0,.1)}
.nav-inner{display:flex;align-items:center;justify-content:space-between}
.nav-logo{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:700;color:var(--white)}
.nav-logo img{width:36px;height:36px}
.nav-menu{display:flex;align-items:center;gap:30px;list-style:none}
.nav-item{position:relative}
.nav-link{color:rgba(255,255,255,.85);font-size:15px;font-weight:500;padding:8px 0;display:flex;align-items:center;gap:5px}
.nav-link:hover{color:var(--white)}
.nav-link .arrow{font-size:10px;transition:transform .3s}
.nav-item:hover .arrow{transform:rotate(180deg)}
.nav-dropdown{position:absolute;top:100%;left:-20px;background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow);padding:12px 0;min-width:180px;opacity:0;visibility:hidden;transform:translateY(10px);transition:var(--transition)}
.nav-item:hover .nav-dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.nav-dropdown a{display:block;padding:10px 20px;color:var(--text);font-size:14px}
.nav-dropdown a:hover{background:var(--bg);color:var(--primary)}
.nav-cta .btn{padding:10px 22px;font-size:14px}
.nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:5px}
.nav-toggle span{width:24px;height:2px;background:var(--white);transition:var(--transition)}
.hero{min-height:100vh;display:flex;align-items:center;background:linear-gradient(135deg,var(--secondary) 0%,#16213e 50%,#0f3460 100%);position:relative;overflow:hidden;padding-top:80px}
.hero::before{content:'';position:absolute;top:-50%;right:-20%;width:80%;height:200%;background:radial-gradient(circle,rgba(109,74,255,.15) 0%,transparent 70%);animation:pulse 8s ease-in-out infinite}
.hero::after{content:'';position:absolute;bottom:-30%;left:-10%;width:60%;height:150%;background:radial-gradient(circle,rgba(0,212,170,.1) 0%,transparent 70%);animation:pulse 10s ease-in-out infinite reverse}
@keyframes pulse{0%,100%{transform:scale(1);opacity:.5}50%{transform:scale(1.1);opacity:.8}}
.hero-inner{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;color:var(--white);line-height:1.2;margin-bottom:20px}
.hero-content h1 span{background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-content p{font-size:18px;color:rgba(255,255,255,.7);margin-bottom:30px;line-height:1.7}
.hero-btns{display:flex;gap:15px;margin-bottom:40px;flex-wrap:wrap}
.hero-stats{display:flex;gap:40px}
.hero-stat{text-align:center}
.hero-stat .num{font-size:32px;font-weight:700;color:var(--white);display:block}
.hero-stat .label{font-size:13px;color:rgba(255,255,255,.6);margin-top:4px}
.hero-demo{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:20px;padding:30px;backdrop-filter:blur(10px)}
.demo-header{display:flex;align-items:center;gap:8px;margin-bottom:20px}
.demo-dot{width:12px;height:12px;border-radius:50%}
.demo-dot:nth-child(1){background:#ff5f56}
.demo-dot:nth-child(2){background:#ffbd2e}
.demo-dot:nth-child(3){background:#27c93f}
.demo-map{position:relative;height:200px;background:linear-gradient(135deg,rgba(109,74,255,.1),rgba(0,212,170,.1));border-radius:12px;margin-bottom:20px;overflow:hidden}
.demo-map::before{content:'';position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1000 500'%3E%3Cpath d='M200,150 Q300,100 400,150 T600,150 T800,150' fill='none' stroke='rgba(109,74,255,0.3)' stroke-width='2'/%3E%3Cpath d='M150,250 Q250,200 350,250 T550,250 T750,250' fill='none' stroke='rgba(0,212,170,0.3)' stroke-width='2'/%3E%3C/svg%3E") center/cover}
.demo-node{position:absolute;width:16px;height:16px;border-radius:50%;background:var(--accent);box-shadow:0 0 20px var(--accent);cursor:pointer;transition:var(--transition)}
.demo-node:hover{transform:scale(1.5)}
.demo-node::after{content:'';position:absolute;inset:-4px;border-radius:50%;border:2px solid var(--accent);animation:ripple 2s infinite}
@keyframes ripple{0%{transform:scale(1);opacity:1}100%{transform:scale(2);opacity:0}}
.demo-node.active{background:var(--primary);box-shadow:0 0 30px var(--primary)}
.demo-controls{display:flex;gap:10px;flex-wrap:wrap}
.demo-btn{padding:8px 16px;border-radius:6px;background:rgba(255,255,255,.1);color:var(--white);border:1px solid rgba(255,255,255,.2);cursor:pointer;font-size:13px;transition:var(--transition)}
.demo-btn:hover,.demo-btn.active{background:var(--primary);border-color:var(--primary)}
.demo-status{display:flex;justify-content:space-between;align-items:center;margin-top:15px;padding:12px;background:rgba(0,0,0,.2);border-radius:8px}
.demo-status .speed{font-size:24px;font-weight:700;color:var(--accent)}
.demo-status .latency{font-size:14px;color:rgba(255,255,255,.6)}
.features{background:var(--white)}
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.feature-card{padding:35px 25px;border-radius:var(--radius);background:var(--white);border:1px solid #eee;transition:var(--transition);text-align:center}
.feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--primary)}
.feature-icon{width:60px;height:60px;margin:0 auto 20px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:28px;background:linear-gradient(135deg,rgba(109,74,255,.1),rgba(0,212,170,.1))}
.feature-card h3{font-size:18px;margin-bottom:10px;color:var(--secondary)}
.feature-card p{font-size:14px;color:var(--text-light);line-height:1.6}
.scenarios{background:var(--bg)}
.scenarios-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
.scenario-card{border-radius:var(--radius);overflow:hidden;background:var(--white);box-shadow:var(--shadow);transition:var(--transition)}
.scenario-card:hover{transform:translateY(-5px)}
.scenario-img{height:180px;overflow:hidden}
.scenario-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.scenario-card:hover .scenario-img img{transform:scale(1.1)}
.scenario-content{padding:20px}
.scenario-content h3{font-size:17px;margin-bottom:8px;color:var(--secondary)}
.scenario-content p{font-size:14px;color:var(--text-light)}
.pricing{background:var(--white)}
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;align-items:center}
.pricing-card{padding:40px 30px;border-radius:var(--radius);background:var(--white);border:2px solid #eee;text-align:center;transition:var(--transition)}
.pricing-card.popular{border-color:var(--primary);transform:scale(1.05);box-shadow:0 10px 40px rgba(109,74,255,.15)}
.pricing-card.popular::before{content:'最受欢迎';position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--primary);color:var(--white);padding:4px 16px;border-radius:20px;font-size:12px;font-weight:600}
.pricing-card{position:relative}
.pricing-name{font-size:20px;font-weight:600;color:var(--secondary);margin-bottom:10px}
.pricing-price{font-size:42px;font-weight:700;color:var(--primary);margin-bottom:5px}
.pricing-price span{font-size:16px;color:var(--text-light);font-weight:400}
.pricing-features{list-style:none;margin:25px 0;text-align:left}
.pricing-features li{padding:8px 0;font-size:14px;color:var(--text-light);display:flex;align-items:center;gap:10px}
.pricing-features li::before{content:'✓';color:var(--accent);font-weight:700}
.faq{background:var(--bg)}
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:var(--white);border-radius:var(--radius);margin-bottom:15px;overflow:hidden;box-shadow:0 2px 10px rgba(0,0,0,.03)}
.faq-question{padding:20px 25px;font-size:16px;font-weight:600;color:var(--secondary);cursor:pointer;display:flex;justify-content:space-between;align-items:center}
.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 ease}
.faq-item.active .faq-answer{padding:0 25px 20px;max-height:500px}
.faq-answer p{font-size:14px;color:var(--text-light);line-height:1.8}
.testimonials{background:var(--white)}
.testimonials-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
.testimonial-card{padding:30px;border-radius:var(--radius);background:var(--bg);position:relative}
.testimonial-card::before{content:'"';position:absolute;top:10px;left:20px;font-size:60px;color:var(--primary);opacity:.2;font-family:serif}
.testimonial-text{font-size:14px;color:var(--text-light);line-height:1.7;margin-bottom:20px;position:relative;z-index:1}
.testimonial-author{display:flex;align-items:center;gap:12px}
.testimonial-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center;color:var(--white);font-weight:600;font-size:16px}
.testimonial-info .name{font-size:14px;font-weight:600;color:var(--secondary)}
.testimonial-info .role{font-size:12px;color:var(--text-light)}
.news-section{background:var(--bg)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
.news-card{border-radius:var(--radius);overflow:hidden;background:var(--white);box-shadow:var(--shadow);transition:var(--transition)}
.news-card:hover{transform:translateY(-5px)}
.news-card-img{height:180px;overflow:hidden}
.news-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.news-card:hover .news-card-img img{transform:scale(1.1)}
.news-card-content{padding:20px}
.news-card-date{font-size:12px;color:var(--text-light);margin-bottom:8px}
.news-card-content h3{font-size:16px;margin-bottom:10px;color:var(--secondary);line-height:1.4}
.news-card-content p{font-size:13px;color:var(--text-light);line-height:1.6}
.cta{background:linear-gradient(135deg,var(--secondary),#16213e);padding:80px 0;text-align:center}
.cta h2{font-size:36px;color:var(--white);margin-bottom:15px}
.cta p{font-size:18px;color:rgba(255,255,255,.7);margin-bottom:30px}
.footer{background:var(--secondary);padding:60px 0 30px;color:rgba(255,255,255,.7)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand p{font-size:14px;line-height:1.7;margin-top:15px}
.footer-col h4{color:var(--white);font-size:16px;margin-bottom:20px}
.footer-col a{display:block;font-size:14px;padding:5px 0;color:rgba(255,255,255,.6)}
.footer-col a:hover{color:var(--white)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:25px;text-align:center;font-size:13px}
.download-hero{background:linear-gradient(135deg,var(--secondary),#16213e);padding:120px 0 80px;position:relative;overflow:hidden}
.download-hero::before{content:'';position:absolute;top:-50%;right:-20%;width:80%;height:200%;background:radial-gradient(circle,rgba(109,74,255,.15) 0%,transparent 70%)}
.download-hero-inner{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;position:relative;z-index:1}
.download-content h1{font-size:42px;font-weight:800;color:var(--white);margin-bottom:15px}
.download-content h1 span{background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.download-content p{font-size:17px;color:rgba(255,255,255,.7);margin-bottom:25px}
.download-stats{display:flex;gap:30px;margin-top:25px}
.download-stat{text-align:center}
.download-stat .num{font-size:28px;font-weight:700;color:var(--white);display:block}
.download-stat .label{font-size:12px;color:rgba(255,255,255,.6)}
.versions{background:var(--white);padding:80px 0}
.version-card{display:grid;grid-template-columns:1fr 2fr 1fr;gap:30px;align-items:center;padding:30px;border:1px solid #eee;border-radius:var(--radius);margin-bottom:20px;transition:var(--transition)}
.version-card:hover{border-color:var(--primary);box-shadow:var(--shadow)}
.version-info h3{font-size:20px;color:var(--secondary);margin-bottom:5px}
.version-info p{font-size:13px;color:var(--text-light)}
.version-features{list-style:none;display:flex;flex-wrap:wrap;gap:10px}
.version-features li{padding:6px 12px;background:var(--bg);border-radius:20px;font-size:12px;color:var(--text-light)}
.sys-req{background:var(--bg);padding:80px 0}
.sys-req-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.sys-req-item{padding:25px;background:var(--white);border-radius:var(--radius);text-align:center}
.sys-req-item .icon{font-size:32px;margin-bottom:12px}
.sys-req-item h4{font-size:15px;color:var(--secondary);margin-bottom:8px}
.sys-req-item p{font-size:13px;color:var(--text-light)}
.install-steps{background:var(--white);padding:80px 0}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px}
.step-card{text-align:center;padding:30px 20px;position:relative}
.step-num{width:50px;height:50px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:var(--white);display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;margin:0 auto 20px}
.step-card h3{font-size:17px;color:var(--secondary);margin-bottom:10px}
.step-card p{font-size:14px;color:var(--text-light)}
.news-list-page{padding:120px 0 80px;background:var(--bg);min-height:100vh}
.news-list-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px;margin-top:40px}
.news-detail{padding:120px 0 80px;background:var(--bg);min-height:100vh}
.news-detail-inner{display:grid;grid-template-columns:1fr 300px;gap:40px}
.news-content{background:var(--white);border-radius:var(--radius);padding:40px;box-shadow:var(--shadow)}
.news-content h1{font-size:28px;color:var(--secondary);margin-bottom:15px;line-height:1.4}
.news-meta{display:flex;gap:20px;margin-bottom:25px;padding-bottom:20px;border-bottom:1px solid #eee;font-size:13px;color:var(--text-light)}
.news-body h2{font-size:22px;color:var(--secondary);margin:30px 0 15px;padding-left:15px;border-left:4px solid var(--primary)}
.news-body p{font-size:15px;color:var(--text);line-height:1.8;margin-bottom:15px}
.news-body img{border-radius:var(--radius);margin:20px 0}
.news-sidebar{position:sticky;top:100px;align-self:start}
.sidebar-card{background:var(--white);border-radius:var(--radius);padding:25px;margin-bottom:20px;box-shadow:var(--shadow)}
.sidebar-card h3{font-size:16px;color:var(--secondary);margin-bottom:15px;padding-left:12px;border-left:3px solid var(--primary)}
.toc-list{list-style:none}
.toc-list li{padding:10px 0 10px 20px;border-left:2px solid #eee;position:relative;font-size:14px;color:var(--text-light);cursor:pointer;transition:var(--transition)}
.toc-list li::before{content:'';position:absolute;left:-5px;top:50%;transform:translateY(-50%);width:8px;height:8px;border-radius:50%;background:#eee;transition:var(--transition)}
.toc-list li.active{color:var(--primary);font-weight:600;border-left-color:var(--primary)}
.toc-list li.active::before{background:var(--primary)}
.hot-news-list{list-style:none}
.hot-news-item{display:flex;gap:12px;padding:10px 0;align-items:center}
.hot-news-rank{width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:var(--white);flex-shrink:0}
.hot-news-rank.r1{background:linear-gradient(135deg,#ff6b6b,#ee5a5a)}
.hot-news-rank.r2{background:linear-gradient(135deg,#ffa502,#ff6348)}
.hot-news-rank.r3{background:linear-gradient(135deg,#ffd700,#ffb142)}
.hot-news-rank.r4,.hot-news-rank.r5{background:#ccc}
.hot-news-item a{font-size:13px;color:var(--text);line-height:1.4}
.hot-news-item a:hover{color:var(--primary)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag{padding:6px 14px;background:var(--bg);border-radius:20px;font-size:12px;color:var(--text-light);cursor:pointer;transition:var(--transition);border:1px solid transparent}
.tag:hover{color:var(--primary);border-color:var(--primary);background:rgba(109,74,255,.05)}
.news-nav{display:flex;justify-content:space-between;margin-top:30px;padding-top:20px;border-top:1px solid #eee}
.news-nav a{font-size:14px;color:var(--primary)}
.related-news{margin-top:40px}
.related-news h3{font-size:18px;color:var(--secondary);margin-bottom:20px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.comments-section{margin-top:40px}
.comments-section h3{font-size:18px;color:var(--secondary);margin-bottom:20px}
.comment{display:flex;gap:15px;padding:20px 0;border-bottom:1px solid #eee}
.comment-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center;color:var(--white);font-weight:600;font-size:16px;flex-shrink:0}
.comment-content{flex:1}
.comment-header{display:flex;justify-content:space-between;margin-bottom:8px}
.comment-name{font-size:14px;font-weight:600;color:var(--secondary)}
.comment-date{font-size:12px;color:var(--text-light)}
.comment-text{font-size:14px;color:var(--text-light);line-height:1.6}
.breadcrumb{display:flex;gap:10px;align-items:center;font-size:13px;color:var(--text-light);margin-bottom:25px}
.breadcrumb a{color:var(--primary)}
.breadcrumb span{color:var(--text-light)}
.sitemap-page{padding:120px 0 80px;background:var(--bg);min-height:100vh}
.sitemap-content{background:var(--white);border-radius:var(--radius);padding:40px;max-width:800px;margin:0 auto}
.sitemap-content h1{font-size:28px;color:var(--secondary);margin-bottom:30px}
.sitemap-section{margin-bottom:30px}
.sitemap-section h2{font-size:18px;color:var(--secondary);margin-bottom:15px;padding-bottom:10px;border-bottom:2px solid var(--primary)}
.sitemap-links{list-style:none;display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.sitemap-links a{font-size:14px;color:var(--text-light);padding:8px 0;display:block}
.sitemap-links a:hover{color:var(--primary)}
.error-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--secondary),#16213e);text-align:center}
.error-content h1{font-size:120px;font-weight:800;color:var(--primary);line-height:1}
.error-content p{font-size:20px;color:rgba(255,255,255,.7);margin:20px 0 30px}
.error-content .countdown{font-size:16px;color:rgba(255,255,255,.5)}
@media(max-width:992px){.nav-menu{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(26,26,46,.98);flex-direction:column;justify-content:center;align-items:center;gap:20px}.nav-menu.active{display:flex}.nav-toggle{display:flex}.hero-inner,.download-hero-inner{grid-template-columns:1fr;text-align:center}.hero-stats,.download-stats{justify-content:center}.hero-demo{margin-top:30px}.features-grid,.scenarios-grid,.testimonials-grid,.news-grid,.news-list-grid,.related-grid{grid-template-columns:repeat(2,1fr)}.pricing-grid{grid-template-columns:1fr;max-width:400px;margin:0 auto}.pricing-card.popular{transform:none}.footer-grid{grid-template-columns:1fr 1fr}.steps-grid{grid-template-columns:repeat(2,1fr)}.sys-req-grid{grid-template-columns:repeat(2,1fr)}.news-detail-inner{grid-template-columns:1fr}.news-sidebar{position:static;margin-top:30px}.version-card{grid-template-columns:1fr;text-align:center}.version-features{justify-content:center}.nav-dropdown{position:static;opacity:1;visibility:visible;transform:none;display:none;background:transparent;box-shadow:none;padding:0}.nav-item.open .nav-dropdown{display:block}}
@media(max-width:768px){.hero-content h1{font-size:36px}.section-title h2{font-size:28px}.features-grid,.scenarios-grid,.testimonials-grid,.news-grid,.news-list-grid,.related-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.steps-grid,.sys-req-grid{grid-template-columns:1fr}.hero-stats{flex-wrap:wrap;gap:20px}.sitemap-links{grid-template-columns:1fr}.download-content h1{font-size:32px}}
@media(max-width:480px){.hero-content h1{font-size:28px}.hero-btns{flex-direction:column}.btn-lg{padding:14px 28px;font-size:15px}.section{padding:60px 0}.news-content{padding:25px}.comment{flex-direction:column;align-items:flex-start}}