*{margin:0;padding:0;box-sizing:border-box}
:root{--primary:#2ecc71;--primary-dark:#27ae60;--primary-light:#a8e6cf;--dark:#1a1a2e;--dark2:#16213e;--accent:#0f3460;--text:#333;--text-light:#666;--text-muted:#999;--bg:#f8f9fa;--bg2:#eef2f7;--white:#fff;--shadow:0 4px 20px rgba(0,0,0,.08);--shadow-lg:0 8px 40px rgba(0,0,0,.12);--radius:12px;--radius-sm:8px;--transition:all .3s ease}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--text);background:var(--white);line-height:1.6;overflow-x:hidden}
a{text-decoration:none;color:inherit;transition:var(--transition)}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:80px 0}
.section-title{text-align:center;margin-bottom:50px}
.section-title h2{font-size:2.2rem;font-weight:700;color:var(--dark);margin-bottom:12px}
.section-title p{font-size:1.1rem;color:var(--text-light);max-width:600px;margin:0 auto}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 32px;border-radius:50px;font-size:1rem;font-weight:600;cursor:pointer;border:none;transition:var(--transition);gap:8px}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;box-shadow:0 4px 15px rgba(46,204,113,.4)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 25px rgba(46,204,113,.5)}
.btn-outline{background:transparent;color:var(--primary);border:2px solid var(--primary)}
.btn-outline:hover{background:var(--primary);color:#fff}
.btn-white{background:#fff;color:var(--primary);box-shadow:0 4px 15px rgba(0,0,0,.1)}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 6px 25px rgba(0,0,0,.15)}
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;padding:16px 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;max-width:1200px;margin:0 auto;padding:0 20px}
.nav-logo{display:flex;align-items:center;gap:10px;font-size:1.4rem;font-weight:700;color:#fff}
.nav-logo img{width:36px;height:36px;border-radius:8px}
.nav-menu{display:flex;align-items:center;gap:6px}
.nav-item{position:relative}
.nav-link{display:flex;align-items:center;gap:4px;padding:8px 16px;color:rgba(255,255,255,.85);font-size:.95rem;border-radius:8px;transition:var(--transition)}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.1)}
.nav-link .arrow{font-size:.7rem;transition:transform .3s}
.nav-item:hover .arrow{transform:rotate(180deg)}
.nav-dropdown{position:absolute;top:100%;left:0;min-width:200px;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:8px;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 16px;color:var(--text);border-radius:var(--radius-sm);font-size:.9rem}
.nav-dropdown a:hover{background:var(--bg);color:var(--primary)}
.nav-cta .btn{padding:10px 24px;font-size:.9rem}
.nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2px;background:#fff;border-radius:2px;transition:var(--transition)}
.hero{position:relative;min-height:100vh;display:flex;align-items:center;background:linear-gradient(135deg,var(--dark) 0%,var(--dark2) 50%,var(--accent) 100%);overflow:hidden;padding-top:80px}
.hero::before{content:'';position:absolute;top:-50%;right:-20%;width:800px;height:800px;background:radial-gradient(circle,rgba(46,204,113,.15) 0%,transparent 70%);border-radius:50%}
.hero::after{content:'';position:absolute;bottom:-30%;left:-10%;width:600px;height:600px;background:radial-gradient(circle,rgba(46,204,113,.1) 0%,transparent 70%);border-radius:50%}
.hero-inner{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;position:relative;z-index:1}
.hero-content h1{font-size:3rem;font-weight:800;color:#fff;line-height:1.2;margin-bottom:20px}
.hero-content h1 span{background:linear-gradient(135deg,var(--primary),var(--primary-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-content .subtitle{font-size:1.2rem;color:rgba(255,255,255,.7);margin-bottom:30px;line-height:1.8}
.hero-buttons{display:flex;gap:16px;margin-bottom:40px;flex-wrap:wrap}
.hero-stats{display:flex;gap:40px}
.hero-stat{text-align:center}
.hero-stat .num{font-size:2rem;font-weight:800;color:var(--primary)}
.hero-stat .label{font-size:.85rem;color:rgba(255,255,255,.6);margin-top:4px}
.hero-demo{position:relative}
.demo-device{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:20px;padding:30px;backdrop-filter:blur(10px)}
.demo-screen{background:var(--dark);border-radius:12px;padding:24px;min-height:320px}
.demo-map{position:relative;height:200px;background:linear-gradient(135deg,#0a1628,#1a2a4a);border-radius:12px;overflow:hidden;margin-bottom:20px}
.demo-map::before{content:'';position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 800 400'%3E%3Ccircle cx='200' cy='150' r='3' fill='%232ecc71' opacity='.6'/%3E%3Ccircle cx='400' cy='120' r='3' fill='%232ecc71' opacity='.6'/%3E%3Ccircle cx='600' cy='180' r='3' fill='%232ecc71' opacity='.6'/%3E%3Ccircle cx='350' cy='250' r='3' fill='%232ecc71' opacity='.6'/%3E%3Ccircle cx='550' cy='100' r='3' fill='%232ecc71' opacity='.6'/%3E%3Ccircle cx='150' cy='280' r='3' fill='%232ecc71' opacity='.6'/%3E%3Ccircle cx='650' cy='300' r='3' fill='%232ecc71' opacity='.6'/%3E%3Cline x1='200' y1='150' x2='400' y2='120' stroke='%232ecc71' stroke-width='.5' opacity='.3'/%3E%3Cline x1='400' y1='120' x2='600' y2='180' stroke='%232ecc71' stroke-width='.5' opacity='.3'/%3E%3Cline x1='350' y1='250' x2='550' y2='100' stroke='%232ecc71' stroke-width='.5' opacity='.3'/%3E%3C/svg%3E") center/cover}
.demo-node{position:absolute;width:12px;height:12px;background:var(--primary);border-radius:50%;box-shadow:0 0 10px var(--primary);cursor:pointer;transition:var(--transition)}
.demo-node::after{content:'';position:absolute;inset:-4px;border:2px solid var(--primary);border-radius:50%;animation:pulse 2s infinite}
.demo-node.active{background:#fff;box-shadow:0 0 20px var(--primary)}
@keyframes pulse{0%{transform:scale(1);opacity:1}100%{transform:scale(2);opacity:0}}
.demo-status{display:flex;justify-content:space-between;align-items:center;padding:16px;background:rgba(46,204,113,.1);border-radius:12px;border:1px solid rgba(46,204,113,.2)}
.demo-status .status-left{display:flex;align-items:center;gap:12px}
.demo-status .status-dot{width:10px;height:10px;background:var(--primary);border-radius:50%;animation:blink 1.5s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.3}}
.demo-status .status-text{color:#fff;font-size:.9rem}
.demo-status .status-speed{color:var(--primary);font-weight:700;font-size:1.1rem}
.demo-connect-btn{width:60px;height:60px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-dark));border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 20px rgba(46,204,113,.4);transition:var(--transition)}
.demo-connect-btn:hover{transform:scale(1.1)}
.demo-connect-btn.connected{background:linear-gradient(135deg,#e74c3c,#c0392b)}
.demo-connect-btn svg{width:24px;height:24px;fill:#fff}
.features{background:var(--bg)}
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{background:#fff;border-radius:var(--radius);padding:32px;transition:var(--transition);border:1px solid transparent}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--primary-light)}
.feature-icon{width:56px;height:56px;border-radius:12px;background:linear-gradient(135deg,rgba(46,204,113,.1),rgba(46,204,113,.05));display:flex;align-items:center;justify-content:center;margin-bottom:20px;font-size:1.5rem}
.feature-card h3{font-size:1.15rem;font-weight:600;margin-bottom:10px;color:var(--dark)}
.feature-card p{font-size:.9rem;color:var(--text-light);line-height:1.7}
.scenarios-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scenario-card{position:relative;border-radius:var(--radius);overflow:hidden;height:280px;cursor:pointer}
.scenario-card img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.scenario-card:hover img{transform:scale(1.1)}
.scenario-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,.8) 0%,transparent 60%);display:flex;flex-direction:column;justify-content:flex-end;padding:24px}
.scenario-overlay h3{color:#fff;font-size:1.2rem;margin-bottom:6px}
.scenario-overlay p{color:rgba(255,255,255,.7);font-size:.85rem}
.pricing{background:var(--bg)}
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:center}
.pricing-card{background:#fff;border-radius:var(--radius);padding:36px;text-align:center;transition:var(--transition);border:2px solid transparent;position:relative}
.pricing-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.pricing-card.popular{border-color:var(--primary);transform:scale(1.05)}
.pricing-card.popular:hover{transform:scale(1.05) translateY(-4px)}
.pricing-badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;padding:6px 20px;border-radius:20px;font-size:.8rem;font-weight:600}
.pricing-card h3{font-size:1.3rem;font-weight:600;margin-bottom:8px;color:var(--dark)}
.pricing-price{font-size:2.8rem;font-weight:800;color:var(--primary);margin:16px 0}
.pricing-price span{font-size:1rem;color:var(--text-muted);font-weight:400}
.pricing-features{text-align:left;margin:24px 0}
.pricing-features li{padding:8px 0;color:var(--text-light);font-size:.9rem;display:flex;align-items:center;gap:8px}
.pricing-features li::before{content:'✓';color:var(--primary);font-weight:700}
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border-radius:var(--radius);margin-bottom:12px;overflow:hidden;border:1px solid #eee;transition:var(--transition)}
.faq-item:hover{border-color:var(--primary-light)}
.faq-question{padding:20px 24px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:1rem;color:var(--dark)}
.faq-question .icon{width:24px;height:24px;border-radius:50%;background:var(--bg);display:flex;align-items:center;justify-content:center;transition:var(--transition);font-size:.8rem;color:var(--primary)}
.faq-item.active .faq-question .icon{transform:rotate(45deg);background:var(--primary);color:#fff}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-answer-inner{padding:0 24px 20px;color:var(--text-light);font-size:.9rem;line-height:1.8}
.faq-item.active .faq-answer{max-height:500px}
.testimonials{background:var(--bg)}
.testimonials-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.testimonial-card{background:#fff;border-radius:var(--radius);padding:28px;transition:var(--transition)}
.testimonial-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.testimonial-stars{color:#f1c40f;margin-bottom:12px;font-size:.9rem}
.testimonial-text{color:var(--text-light);font-size:.9rem;line-height:1.8;margin-bottom:20px;font-style:italic}
.testimonial-author{display:flex;align-items:center;gap:12px}
.testimonial-avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-dark));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:1.1rem}
.testimonial-info .name{font-weight:600;font-size:.9rem;color:var(--dark)}
.testimonial-info .role{font-size:.8rem;color:var(--text-muted)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:#fff;border-radius:var(--radius);overflow:hidden;transition:var(--transition);border:1px solid #eee}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--primary-light)}
.news-card-img{height:200px;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(1.05)}
.news-card-body{padding:20px}
.news-card-date{font-size:.8rem;color:var(--text-muted);margin-bottom:8px}
.news-card-body h3{font-size:1rem;font-weight:600;color:var(--dark);margin-bottom:8px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card-body p{font-size:.85rem;color:var(--text-light);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cta-section{background:linear-gradient(135deg,var(--dark),var(--dark2));text-align:center;padding:80px 0}
.cta-section h2{font-size:2.2rem;color:#fff;margin-bottom:16px}
.cta-section p{color:rgba(255,255,255,.7);font-size:1.1rem;margin-bottom:30px}
.cta-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.footer{background:var(--dark);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:.9rem;line-height:1.8;margin-top:16px}
.footer-col h4{color:#fff;font-size:1rem;margin-bottom:16px}
.footer-col a{display:block;padding:4px 0;font-size:.9rem;color:rgba(255,255,255,.6);transition:var(--transition)}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;text-align:center;font-size:.85rem;color:rgba(255,255,255,.5)}
.download-hero{padding-top:120px;padding-bottom:80px}
.download-hero .hero-inner{align-items:center}
.download-info .version-badge{display:inline-block;background:rgba(46,204,113,.15);color:var(--primary);padding:6px 16px;border-radius:20px;font-size:.85rem;font-weight:600;margin-bottom:16px}
.download-meta{display:flex;gap:24px;margin-top:20px;flex-wrap:wrap}
.download-meta-item{display:flex;align-items:center;gap:8px;color:rgba(255,255,255,.7);font-size:.9rem}
.download-versions{background:var(--bg)}
.version-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.version-card{background:#fff;border-radius:var(--radius);padding:32px;border:2px solid #eee;transition:var(--transition)}
.version-card:hover{border-color:var(--primary);box-shadow:var(--shadow)}
.version-card h3{font-size:1.2rem;color:var(--dark);margin-bottom:8px}
.version-card .version-size{color:var(--text-muted);font-size:.85rem;margin-bottom:16px}
.version-card ul{margin:16px 0}
.version-card ul li{padding:6px 0;font-size:.9rem;color:var(--text-light);display:flex;align-items:center;gap:8px}
.version-card ul li::before{content:'✓';color:var(--primary);font-weight:700}
.sys-req{background:#fff}
.sys-req-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.sys-req-item{display:flex;align-items:flex-start;gap:12px;padding:20px;background:var(--bg);border-radius:var(--radius-sm)}
.sys-req-item .icon{width:40px;height:40px;border-radius:10px;background:linear-gradient(135deg,rgba(46,204,113,.1),rgba(46,204,113,.05));display:flex;align-items:center;justify-content:center;font-size:1.1rem;flex-shrink:0}
.sys-req-item h4{font-size:.9rem;color:var(--dark);margin-bottom:4px}
.sys-req-item p{font-size:.8rem;color:var(--text-muted)}
.install-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step-card{text-align:center;padding:32px 20px;background:#fff;border-radius:var(--radius);border:1px solid #eee;transition:var(--transition);position:relative}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.step-num{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.2rem;font-weight:700;margin:0 auto 16px}
.step-card h3{font-size:1rem;color:var(--dark);margin-bottom:8px}
.step-card p{font-size:.85rem;color:var(--text-light)}
.news-page{padding-top:120px}
.news-list-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.news-list-card{display:flex;background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid #eee;transition:var(--transition)}
.news-list-card:hover{box-shadow:var(--shadow);border-color:var(--primary-light)}
.news-list-card img{width:240px;height:180px;object-fit:cover;flex-shrink:0}
.news-list-card .content{padding:20px;display:flex;flex-direction:column;justify-content:center}
.news-list-card .date{font-size:.8rem;color:var(--text-muted);margin-bottom:8px}
.news-list-card h3{font-size:1rem;font-weight:600;color:var(--dark);margin-bottom:8px;line-height:1.5}
.news-list-card p{font-size:.85rem;color:var(--text-light);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.article-page{padding-top:100px;padding-bottom:60px}
.article-header{margin-bottom:30px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:.85rem;color:var(--text-muted);margin-bottom:20px;flex-wrap:wrap}
.breadcrumb a{color:var(--primary)}
.breadcrumb a:hover{text-decoration:underline}
.article-header h1{font-size:2rem;font-weight:700;color:var(--dark);line-height:1.4;margin-bottom:16px}
.article-meta{display:flex;align-items:center;gap:16px;color:var(--text-muted);font-size:.85rem;flex-wrap:wrap}
.article-body-wrap{display:grid;grid-template-columns:1fr 300px;gap:40px;align-items:start}
.article-content{background:#fff;border-radius:var(--radius);padding:32px;border:1px solid #eee}
.article-content p{margin-bottom:16px;font-size:.95rem;line-height:1.9;color:var(--text)}
.article-content h2{font-size:1.4rem;font-weight:600;color:var(--dark);margin:32px 0 16px;padding-left:12px;border-left:3px solid var(--primary)}
.article-content img{border-radius:var(--radius-sm);margin:20px 0}
.article-sidebar{position:sticky;top:100px}
.sidebar-card{background:#fff;border-radius:var(--radius);padding:20px;margin-bottom:20px;border:1px solid #eee}
.sidebar-card h4{font-size:1rem;font-weight:600;color:var(--dark);margin-bottom:16px;padding-left:12px;border-left:3px solid var(--primary)}
.toc-list{position:relative;padding-left:20px}
.toc-list::before{content:'';position:absolute;left:6px;top:0;bottom:0;width:2px;background:#eee}
.toc-list a{display:block;padding:8px 0;font-size:.85rem;color:var(--text-light);position:relative;transition:var(--transition)}
.toc-list a::before{content:'';position:absolute;left:-17px;top:50%;transform:translateY(-50%);width:10px;height:10px;border-radius:50%;background:#eee;border:2px solid #fff;transition:var(--transition)}
.toc-list a.active{color:var(--primary);font-weight:600}
.toc-list a.active::before{background:var(--primary)}
.hot-news-list a{display:flex;align-items:center;gap:10px;padding:8px 0;font-size:.85rem;color:var(--text-light);transition:var(--transition)}
.hot-news-list a:hover{color:var(--primary)}
.hot-rank{width:24px;height:24px;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:700;color:#fff;flex-shrink:0}
.hot-rank.r1{background:linear-gradient(135deg,#e74c3c,#c0392b)}
.hot-rank.r2{background:linear-gradient(135deg,#f39c12,#e67e22)}
.hot-rank.r3{background:linear-gradient(135deg,#f1c40f,#d4ac0f)}
.hot-rank.r4,.hot-rank.r5{background:#bdc3c7}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud a{padding:6px 14px;background:var(--bg);border-radius:20px;font-size:.8rem;color:var(--text-light);border:1px solid transparent;transition:var(--transition)}
.tag-cloud a:hover{color:var(--primary);border-color:var(--primary);background:rgba(46,204,113,.05)}
.article-nav{display:flex;justify-content:space-between;margin-top:30px;padding-top:20px;border-top:1px solid #eee;gap:16px}
.article-nav a{flex:1;padding:16px;background:var(--bg);border-radius:var(--radius-sm);font-size:.85rem;color:var(--text-light);transition:var(--transition)}
.article-nav a:hover{color:var(--primary);background:rgba(46,204,113,.05)}
.article-nav .label{font-size:.75rem;color:var(--text-muted);margin-bottom:4px}
.comments-section{margin-top:40px}
.comments-section h3{font-size:1.2rem;font-weight:600;margin-bottom:20px;color:var(--dark)}
.comment-item{display:flex;gap:12px;padding:16px 0;border-bottom:1px solid #f0f0f0}
.comment-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-dark));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:.9rem;flex-shrink:0}
.comment-body .comment-header{display:flex;align-items:center;gap:8px;margin-bottom:4px}
.comment-body .comment-name{font-weight:600;font-size:.9rem;color:var(--dark)}
.comment-body .comment-date{font-size:.75rem;color:var(--text-muted)}
.comment-body .comment-text{font-size:.85rem;color:var(--text-light);line-height:1.7}
.related-news{margin-top:40px}
.related-news h3{font-size:1.2rem;font-weight:600;margin-bottom:20px;color:var(--dark)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.related-card{background:var(--bg);border-radius:var(--radius-sm);overflow:hidden;transition:var(--transition)}
.related-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.related-card img{height:120px;object-fit:cover}
.related-card .info{padding:12px}
.related-card h4{font-size:.85rem;font-weight:600;color:var(--dark);line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.sitemap-page{padding-top:120px}
.sitemap-content{background:#fff;border-radius:var(--radius);padding:40px;border:1px solid #eee}
.sitemap-content h2{font-size:1.3rem;color:var(--dark);margin:24px 0 12px;padding-bottom:8px;border-bottom:2px solid var(--primary)}
.sitemap-content a{display:inline-block;padding:6px 12px;margin:4px;font-size:.9rem;color:var(--text-light);border-radius:6px;transition:var(--transition)}
.sitemap-content a:hover{background:rgba(46,204,113,.1);color:var(--primary)}
.page-404{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--dark),var(--dark2));text-align:center;color:#fff}
.page-404 h1{font-size:6rem;font-weight:800;background:linear-gradient(135deg,var(--primary),var(--primary-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.page-404 p{font-size:1.2rem;color:rgba(255,255,255,.7);margin:16px 0 30px}
.page-404 .countdown{font-size:.9rem;color:rgba(255,255,255,.5)}
.tech-section{background:linear-gradient(135deg,var(--dark),var(--dark2));color:#fff}
.tech-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.tech-item{text-align:center;padding:24px;background:rgba(255,255,255,.05);border-radius:var(--radius);border:1px solid rgba(255,255,255,.1);transition:var(--transition)}
.tech-item:hover{background:rgba(255,255,255,.1);transform:translateY(-4px)}
.tech-item .tech-icon{font-size:2rem;margin-bottom:12px}
.tech-item h4{font-size:.95rem;margin-bottom:6px}
.tech-item p{font-size:.8rem;color:rgba(255,255,255,.6)}
.speed-data{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:40px}
.speed-item{text-align:center;padding:20px}
.speed-item .speed-num{font-size:2.5rem;font-weight:800;color:var(--primary)}
.speed-item .speed-label{font-size:.85rem;color:rgba(255,255,255,.6);margin-top:4px}
.anim-fade{opacity:0;transform:translateY(30px);transition:opacity .6s ease,transform .6s ease}
.anim-fade.visible{opacity:1;transform:translateY(0)}
@media(max-width:992px){.nav-menu{position:fixed;top:0;right:-100%;width:280px;height:100vh;background:var(--dark);flex-direction:column;align-items:flex-start;padding:80px 20px 20px;transition:var(--transition);overflow-y:auto}.nav-menu.open{right:0}.nav-toggle{display:flex}.nav-dropdown{position:static;opacity:1;visibility:visible;transform:none;background:rgba(255,255,255,.05);box-shadow:none;display:none;padding:0 0 0 16px}.nav-item.open .nav-dropdown{display:block}.nav-dropdown a{color:rgba(255,255,255,.7)}.hero-inner{grid-template-columns:1fr;text-align:center}.hero-stats{justify-content:center}.hero-demo{max-width:500px;margin:0 auto}.features-grid,.scenarios-grid,.pricing-grid,.testimonials-grid,.news-grid,.version-cards,.sys-req-grid,.install-steps,.tech-grid,.speed-data{grid-template-columns:repeat(2,1fr)}.pricing-card.popular{transform:none}.pricing-card.popular:hover{transform:translateY(-4px)}.footer-grid{grid-template-columns:1fr 1fr}.article-body-wrap{grid-template-columns:1fr}.article-sidebar{position:static}.news-list-grid{grid-template-columns:1fr}.news-list-card img{width:180px}.related-grid{grid-template-columns:repeat(2,1fr)}.hero-content h1{font-size:2.2rem}}
@media(max-width:768px){.section{padding:60px 0}.section-title h2{font-size:1.8rem}.features-grid,.scenarios-grid,.pricing-grid,.testimonials-grid,.news-grid,.version-cards,.sys-req-grid,.install-steps,.tech-grid,.speed-data,.footer-grid{grid-template-columns:1fr}.hero-content h1{font-size:1.8rem}.hero-stats{flex-direction:column;gap:16px}.hero-buttons{flex-direction:column;align-items:center}.news-list-card{flex-direction:column}.news-list-card img{width:100%;height:160px}.article-header h1{font-size:1.5rem}.related-grid{grid-template-columns:1fr}.article-nav{flex-direction:column}.nav-cta{display:none}}
@media(max-width:480px){.container{padding:0 16px}.section-title h2{font-size:1.5rem}.hero-content h1{font-size:1.5rem}.hero-content .subtitle{font-size:1rem}.btn{padding:12px 24px;font-size:.9rem}.demo-device{padding:16px}.demo-screen{padding:16px}.pricing-price{font-size:2.2rem}.footer{padding:40px 0 20px}}