*{margin:0;padding:0;box-sizing:border-box}
:root{--primary:#4f46e5;--primary-light:#818cf8;--accent:#06b6d4;--accent-light:#22d3ee;--dark:#0f172a;--dark-2:#1e293b;--dark-3:#334155;--gray:#64748b;--gray-light:#94a3b8;--light:#f1f5f9;--white:#ffffff;--gradient:linear-gradient(135deg,#4f46e5,#06b6d4);--gradient-2:linear-gradient(135deg,#818cf8,#22d3ee);--shadow:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -2px rgba(0,0,0,.1);--shadow-lg:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -4px rgba(0,0,0,.1);--shadow-xl:0 20px 25px -5px rgba(0,0,0,.1),0 8px 10px -6px rgba(0,0,0,.1);--radius:12px;--radius-lg:16px;--radius-xl:24px;--transition:all .3s cubic-bezier(.4,0,.2,1)}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--dark);line-height:1.6;overflow-x:hidden;background:var(--white)}
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-dark{background:var(--dark)}
.section-gray{background:var(--light)}
.section-title{text-align:center;margin-bottom:60px}
.section-title h2{font-size:2.5rem;font-weight:800;margin-bottom:16px;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.section-title p{font-size:1.125rem;color:var(--gray);max-width:600px;margin:0 auto}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 28px;border-radius:50px;font-weight:600;font-size:1rem;cursor:pointer;transition:var(--transition);border:none;gap:8px}
.btn-primary{background:var(--gradient);color:#fff;box-shadow:0 4px 15px rgba(79,70,229,.4)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(79,70,229,.5)}
.btn-outline{border:2px solid var(--primary);color:var(--primary);background:transparent}
.btn-outline:hover{background:var(--primary);color:#fff}
.btn-white{background:#fff;color:var(--primary);box-shadow:var(--shadow)}
.btn-white:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.btn-lg{padding:16px 36px;font-size:1.125rem}
.badge{display:inline-block;padding:4px 12px;border-radius:50px;font-size:.75rem;font-weight:600}
.badge-primary{background:rgba(79,70,229,.1);color:var(--primary)}
.badge-accent{background:rgba(6,182,212,.1);color:var(--accent)}
.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;padding:16px 0;transition:var(--transition)}
.navbar.scrolled{background:rgba(15,23,42,.95);backdrop-filter:blur(20px);padding:10px 0;box-shadow:0 4px 30px rgba(0,0,0,.15)}
.navbar .container{display:flex;align-items:center;justify-content:space-between}
.nav-logo{display:flex;align-items:center;gap:10px;font-size:1.5rem;font-weight:800;color:#fff}
.nav-logo img{width:36px;height:36px;border-radius:8px}
.nav-menu{display:flex;align-items:center;gap:8px}
.nav-item{position:relative}
.nav-link{padding:8px 16px;color:rgba(255,255,255,.85);font-weight:500;border-radius:8px;transition:var(--transition);display:flex;align-items:center;gap:4px}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.1)}
.nav-dropdown{position:relative}
.nav-dropdown .nav-link::after{content:"▾";font-size:.7rem;transition:transform .3s}
.nav-dropdown:hover .nav-link::after{transform:rotate(180deg)}
.dropdown-menu{position:absolute;top:100%;left:0;min-width:200px;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-xl);padding:8px;opacity:0;visibility:hidden;transform:translateY(10px);transition:var(--transition)}
.nav-dropdown:hover .dropdown-menu{opacity:1;visibility:visible;transform:translateY(4px)}
.dropdown-menu a{display:block;padding:10px 16px;color:var(--dark);border-radius:8px;font-size:.9rem}
.dropdown-menu a:hover{background:var(--light);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{min-height:100vh;display:flex;align-items:center;background:var(--dark);position:relative;overflow:hidden;padding-top:80px}
.hero::before{content:"";position:absolute;top:-50%;right:-20%;width:800px;height:800px;background:radial-gradient(circle,rgba(79,70,229,.15),transparent 70%);border-radius:50%}
.hero::after{content:"";position:absolute;bottom:-30%;left:-10%;width:600px;height:600px;background:radial-gradient(circle,rgba(6,182,212,.1),transparent 70%);border-radius:50%}
.hero .container{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;position:relative;z-index:1}
.hero-content h1{font-size:3.5rem;font-weight:900;color:#fff;line-height:1.2;margin-bottom:20px}
.hero-content h1 span{background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-content .subtitle{font-size:1.25rem;color:var(--gray-light);margin-bottom:32px;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 .number{font-size:2rem;font-weight:800;background:var(--gradient-2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-stat .label{font-size:.85rem;color:var(--gray-light)}
.hero-demo{position:relative}
.demo-window{background:var(--dark-2);border-radius:var(--radius-xl);border:1px solid rgba(255,255,255,.1);overflow:hidden;box-shadow:0 25px 50px rgba(0,0,0,.5)}
.demo-titlebar{display:flex;align-items:center;gap:8px;padding:12px 16px;background:rgba(0,0,0,.3);border-bottom:1px solid rgba(255,255,255,.05)}
.demo-dot{width:12px;height:12px;border-radius:50%}
.demo-dot.red{background:#ef4444}
.demo-dot.yellow{background:#eab308}
.demo-dot.green{background:#22c55e}
.demo-body{padding:24px}
.demo-map{width:100%;height:200px;background:var(--dark-3);border-radius:var(--radius);margin-bottom:20px;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center}
.demo-map svg{width:90%;height:80%;opacity:.3}
.demo-node{position:absolute;width:10px;height:10px;background:var(--accent);border-radius:50%;animation:pulse 2s infinite}
.demo-node::after{content:"";position:absolute;inset:-4px;border:2px solid var(--accent);border-radius:50%;animation:ripple 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.5}}
@keyframes ripple{0%{transform:scale(1);opacity:1}100%{transform:scale(2.5);opacity:0}}
.demo-controls{display:flex;flex-direction:column;gap:12px}
.demo-connect-btn{width:100%;padding:14px;border-radius:50px;border:none;font-size:1rem;font-weight:700;cursor:pointer;transition:var(--transition);background:var(--gradient);color:#fff}
.demo-connect-btn.connected{background:linear-gradient(135deg,#22c55e,#16a34a)}
.demo-server-select{display:flex;align-items:center;justify-content:space-between;padding:10px 16px;background:rgba(255,255,255,.05);border-radius:var(--radius);color:var(--gray-light);font-size:.9rem}
.demo-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.demo-stat-item{text-align:center;padding:10px;background:rgba(255,255,255,.03);border-radius:8px}
.demo-stat-item .val{font-size:1.25rem;font-weight:700;color:var(--accent-light)}
.demo-stat-item .lbl{font-size:.75rem;color:var(--gray-light)}
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.feature-card{background:#fff;border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow);transition:var(--transition);border:1px solid transparent;position:relative;overflow:hidden}
.feature-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--gradient);transform:scaleX(0);transition:transform .3s;transform-origin:left}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-xl);border-color:rgba(79,70,229,.1)}
.feature-card:hover::before{transform:scaleX(1)}
.feature-icon{width:56px;height:56px;border-radius:var(--radius);background:rgba(79,70,229,.08);display:flex;align-items:center;justify-content:center;margin-bottom:20px;font-size:1.5rem}
.feature-card h3{font-size:1.2rem;font-weight:700;margin-bottom:10px}
.feature-card p{color:var(--gray);font-size:.95rem;line-height:1.7}
.scenarios-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px}
.scenario-card{position:relative;border-radius:var(--radius-lg);overflow:hidden;height:240px;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(15,23,42,.9),transparent);display:flex;flex-direction:column;justify-content:flex-end;padding:24px}
.scenario-overlay h3{color:#fff;font-size:1.2rem;font-weight:700;margin-bottom:6px}
.scenario-overlay p{color:rgba(255,255,255,.7);font-size:.9rem}
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:center}
.pricing-card{background:#fff;border-radius:var(--radius-xl);padding:40px 32px;box-shadow:var(--shadow);transition:var(--transition);position:relative;border:2px solid transparent}
.pricing-card.popular{border-color:var(--primary);transform:scale(1.05);box-shadow:var(--shadow-xl)}
.pricing-card.popular .popular-badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--gradient);color:#fff;padding:6px 20px;border-radius:50px;font-size:.8rem;font-weight:600}
.pricing-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-xl)}
.pricing-card.popular:hover{transform:scale(1.05) translateY(-4px)}
.pricing-name{font-size:1.2rem;font-weight:700;margin-bottom:8px}
.pricing-price{font-size:3rem;font-weight:900;margin:16px 0;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.pricing-price span{font-size:1rem;-webkit-text-fill-color:var(--gray)}
.pricing-features{margin:24px 0;display:flex;flex-direction:column;gap:12px}
.pricing-features li{display:flex;align-items:center;gap:10px;font-size:.95rem;color:var(--dark-3)}
.pricing-features li::before{content:"✓";color:var(--primary);font-weight:700}
.pricing-features li.disabled{color:var(--gray-light);text-decoration:line-through}
.pricing-features li.disabled::before{content:"✕";color:var(--gray-light)}
.faq-list{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:16px}
.faq-item{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid rgba(0,0,0,.05)}
.faq-question{padding:20px 24px;font-weight:600;font-size:1.05rem;cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:var(--transition)}
.faq-question:hover{color:var(--primary)}
.faq-question .icon{width:24px;height:24px;border-radius:50%;background:var(--light);display:flex;align-items:center;justify-content:center;transition:var(--transition);flex-shrink:0}
.faq-item.active .faq-question .icon{transform:rotate(45deg);background:var(--primary);color:#fff}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-answer-inner{padding:0 24px 20px;color:var(--gray);line-height:1.8;font-size:.95rem}
.testimonials-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px}
.testimonial-card{background:#fff;border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow);transition:var(--transition)}
.testimonial-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-xl)}
.testimonial-stars{color:#eab308;margin-bottom:16px;font-size:1.1rem}
.testimonial-text{color:var(--dark-3);font-size:.95rem;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:var(--gradient);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:.95rem}
.testimonial-info .role{font-size:.8rem;color:var(--gray)}
.news-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:24px}
.news-card{background:#fff;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);transition:var(--transition)}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-xl)}
.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(1.08)}
.news-card-body{padding:24px}
.news-card-body .badge{margin-bottom:12px}
.news-card-body h3{font-size:1.1rem;font-weight:700;margin-bottom:10px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card-body h3 a:hover{color:var(--primary)}
.news-card-body p{color:var(--gray);font-size:.9rem;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px}
.news-card-meta{display:flex;align-items:center;justify-content:space-between;font-size:.8rem;color:var(--gray-light)}
.cta-section{background:var(--gradient);padding:80px 0;text-align:center;position:relative;overflow:hidden}
.cta-section::before{content:"";position:absolute;top:-50%;right:-20%;width:600px;height:600px;background:rgba(255,255,255,.05);border-radius:50%}
.cta-section h2{font-size:2.5rem;font-weight:800;color:#fff;margin-bottom:16px}
.cta-section p{color:rgba(255,255,255,.8);font-size:1.125rem;margin-bottom:32px;max-width:600px;margin-left:auto;margin-right:auto}
.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 .logo{font-size:1.5rem;font-weight:800;color:#fff;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.footer-brand p{font-size:.9rem;line-height:1.8;margin-bottom:20px}
.footer-col h4{color:#fff;font-weight:700;margin-bottom:20px;font-size:1rem}
.footer-col a{display:block;padding:6px 0;font-size:.9rem;transition:var(--transition)}
.footer-col a:hover{color:var(--accent-light);padding-left:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;display:flex;justify-content:space-between;align-items:center;font-size:.85rem}
.download-hero{padding:140px 0 80px;background:var(--dark);position:relative;overflow:hidden}
.download-hero::before{content:"";position:absolute;top:-30%;right:-10%;width:600px;height:600px;background:radial-gradient(circle,rgba(79,70,229,.12),transparent 70%);border-radius:50%}
.download-hero .container{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;position:relative;z-index:1}
.download-info h1{font-size:3rem;font-weight:900;color:#fff;margin-bottom:16px}
.download-info h1 span{background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.download-info .subtitle{color:var(--gray-light);font-size:1.125rem;margin-bottom:32px;line-height:1.8}
.download-buttons{display:flex;gap:16px;margin-bottom:32px;flex-wrap:wrap}
.download-meta{display:flex;gap:32px}
.download-meta-item{text-align:center}
.download-meta-item .val{font-size:1.5rem;font-weight:800;color:var(--accent-light)}
.download-meta-item .lbl{font-size:.8rem;color:var(--gray-light)}
.version-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px}
.version-card{background:#fff;border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow);border:2px solid transparent;transition:var(--transition)}
.version-card.recommended{border-color:var(--primary)}
.version-card h3{font-size:1.3rem;font-weight:700;margin-bottom:8px}
.version-card .version-tag{display:inline-block;padding:4px 12px;background:var(--gradient);color:#fff;border-radius:50px;font-size:.75rem;font-weight:600;margin-bottom:16px}
.version-card .size{color:var(--gray);font-size:.9rem;margin-bottom:16px}
.version-card ul{margin-bottom:24px;display:flex;flex-direction:column;gap:10px}
.version-card ul li{display:flex;align-items:center;gap:8px;font-size:.9rem;color:var(--dark-3)}
.version-card ul li::before{content:"✓";color:var(--primary);font-weight:700}
.sys-req-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px}
.sys-req-item{background:#fff;border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);display:flex;align-items:flex-start;gap:16px}
.sys-req-icon{width:48px;height:48px;border-radius:var(--radius);background:rgba(79,70,229,.08);display:flex;align-items:center;justify-content:center;font-size:1.3rem;flex-shrink:0}
.sys-req-item h4{font-size:.95rem;font-weight:600;margin-bottom:4px}
.sys-req-item p{font-size:.85rem;color:var(--gray)}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.steps-grid::before{content:"";position:absolute;top:40px;left:10%;right:10%;height:2px;background:var(--gradient);opacity:.3}
.step-card{text-align:center;position:relative;z-index:1}
.step-number{width:64px;height:64px;border-radius:50%;background:var(--gradient);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.5rem;font-weight:800;margin:0 auto 20px;box-shadow:0 4px 15px rgba(79,70,229,.3)}
.step-card h3{font-size:1.1rem;font-weight:700;margin-bottom:8px}
.step-card p{font-size:.9rem;color:var(--gray);line-height:1.6}
.news-list-page{padding:140px 0 80px;min-height:100vh;background:var(--light)}
.news-list-header{text-align:center;margin-bottom:48px}
.news-list-header h1{font-size:2.5rem;font-weight:800;margin-bottom:12px}
.news-list-header p{color:var(--gray);font-size:1.1rem}
.news-article-page{padding:120px 0 80px;min-height:100vh}
.article-container{max-width:1200px;margin:0 auto;padding:0 20px}
.article-layout{display:grid;grid-template-columns:1fr 320px;gap:40px;align-items:start}
.article-main{background:#fff;border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow)}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:.85rem;color:var(--gray);margin-bottom:24px;flex-wrap:wrap}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:var(--gray-light)}
.article-main h1{font-size:2rem;font-weight:800;line-height:1.4;margin-bottom:20px}
.article-meta{display:flex;align-items:center;gap:16px;margin-bottom:32px;padding-bottom:24px;border-bottom:1px solid var(--light);font-size:.85rem;color:var(--gray)}
.article-meta img{width:36px;height:36px;border-radius:50%;object-fit:cover}
.article-content{font-size:1rem;line-height:2;color:var(--dark-3)}
.article-content h2{font-size:1.5rem;font-weight:700;margin:32px 0 16px;padding-left:12px;border-left:4px solid var(--primary)}
.article-content p{margin-bottom:20px}
.article-content img{border-radius:var(--radius);margin:24px 0}
.article-sidebar{position:sticky;top:100px}
.sidebar-card{background:#fff;border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);margin-bottom:20px}
.sidebar-card-title{font-size:1rem;font-weight:700;margin-bottom:16px;padding-left:12px;border-left:3px solid var(--primary)}
.toc-list{display:flex;flex-direction:column;gap:0;position:relative;padding-left:20px}
.toc-list::before{content:"";position:absolute;left:6px;top:8px;bottom:8px;width:2px;background:var(--light)}
.toc-item{position:relative;padding:8px 0;font-size:.9rem;color:var(--gray);cursor:pointer;transition:var(--transition)}
.toc-item::before{content:"";position:absolute;left:-17px;top:50%;transform:translateY(-50%);width:10px;height:10px;border-radius:50%;background:var(--light);border:2px solid var(--gray-light);transition:var(--transition)}
.toc-item.active{color:var(--primary);font-weight:600}
.toc-item.active::before{background:var(--primary);border-color:var(--primary)}
.toc-item:hover{color:var(--primary)}
.hot-news-list{display:flex;flex-direction:column;gap:12px}
.hot-news-item{display:flex;align-items:center;gap:12px;font-size:.9rem;transition:var(--transition)}
.hot-news-item:hover{color:var(--primary)}
.hot-news-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-news-rank.r1{background:linear-gradient(135deg,#f59e0b,#ef4444)}
.hot-news-rank.r2{background:linear-gradient(135deg,#f97316,#ec4899)}
.hot-news-rank.r3{background:linear-gradient(135deg,#eab308,#f59e0b)}
.hot-news-rank.r4,.hot-news-rank.r5{background:var(--gray-light)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-item{padding:6px 14px;border-radius:50px;font-size:.8rem;background:var(--light);color:var(--gray);transition:var(--transition);cursor:pointer}
.tag-item:hover{background:rgba(79,70,229,.1);color:var(--primary);box-shadow:0 0 0 1px var(--primary)}
.article-nav{display:flex;justify-content:space-between;margin-top:32px;padding-top:24px;border-top:1px solid var(--light);gap:16px}
.article-nav a{padding:12px 20px;background:var(--light);border-radius:var(--radius);font-size:.9rem;transition:var(--transition);max-width:48%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-nav a:hover{background:rgba(79,70,229,.1);color:var(--primary)}
.related-news{margin-top:40px}
.related-news h3{font-size:1.3rem;font-weight:700;margin-bottom:20px}
.comments-section{margin-top:40px}
.comments-section h3{font-size:1.3rem;font-weight:700;margin-bottom:24px}
.comment-list{display:flex;flex-direction:column;gap:20px}
.comment-item{display:flex;gap:12px;padding:16px;background:var(--light);border-radius:var(--radius)}
.comment-avatar{width:40px;height:40px;border-radius:50%;background:var(--gradient);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:6px}
.comment-body .comment-name{font-weight:600;font-size:.9rem}
.comment-body .comment-date{font-size:.8rem;color:var(--gray-light)}
.comment-body .comment-text{font-size:.9rem;color:var(--dark-3);line-height:1.7}
.sitemap-page{padding:140px 0 80px;min-height:100vh}
.sitemap-content{max-width:800px;margin:0 auto}
.sitemap-content h1{font-size:2.5rem;font-weight:800;text-align:center;margin-bottom:40px}
.sitemap-section{margin-bottom:32px}
.sitemap-section h2{font-size:1.3rem;font-weight:700;margin-bottom:16px;padding-bottom:8px;border-bottom:2px solid var(--primary)}
.sitemap-section a{display:inline-block;padding:6px 16px;margin:4px;background:var(--light);border-radius:8px;font-size:.9rem;transition:var(--transition)}
.sitemap-section a:hover{background:var(--primary);color:#fff}
.page-404{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--dark);text-align:center}
.page-404 h1{font-size:8rem;font-weight:900;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.page-404 p{color:var(--gray-light);font-size:1.2rem;margin:16px 0 32px}
.page-404 .countdown{color:var(--accent-light);font-weight:600}
.scroll-top{position:fixed;bottom:30px;right:30px;width:44px;height:44px;border-radius:50%;background:var(--gradient);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;visibility:hidden;transition:var(--transition);box-shadow:0 4px 15px rgba(79,70,229,.4);z-index:999;border:none;font-size:1.2rem}
.scroll-top.visible{opacity:1;visibility:visible}
.scroll-top:hover{transform:translateY(-3px)}
.fade-in{opacity:0;transform:translateY(30px);transition:opacity .6s,transform .6s}
.fade-in.visible{opacity:1;transform:translateY(0)}
.slide-left{opacity:0;transform:translateX(-30px);transition:opacity .6s,transform .6s}
.slide-left.visible{opacity:1;transform:translateX(0)}
.slide-right{opacity:0;transform:translateX(30px);transition:opacity .6s,transform .6s}
.slide-right.visible{opacity:1;transform:translateX(0)}
@media(max-width:992px){
.nav-menu{position:fixed;top:0;right:-100%;width:280px;height:100vh;background:var(--dark-2);flex-direction:column;padding:80px 20px 20px;transition:right .3s;overflow-y:auto;gap:4px}
.nav-menu.open{right:0}
.nav-toggle{display:flex}
.nav-cta{display:none}
.hero .container{grid-template-columns:1fr;text-align:center}
.hero-content h1{font-size:2.5rem}
.hero-stats{justify-content:center}
.hero-buttons{justify-content:center}
.hero-demo{max-width:500px;margin:0 auto}
.download-hero .container{grid-template-columns:1fr;text-align:center}
.download-buttons{justify-content:center}
.download-meta{justify-content:center}
.article-layout{grid-template-columns:1fr}
.article-sidebar{position:static}
.pricing-grid{grid-template-columns:1fr}
.pricing-card.popular{transform:none}
.pricing-card.popular:hover{transform:translateY(-4px)}
.footer-grid{grid-template-columns:1fr 1fr}
.steps-grid{grid-template-columns:repeat(2,1fr)}
.steps-grid::before{display:none}
.dropdown-menu{position:static;opacity:1;visibility:visible;transform:none;background:rgba(255,255,255,.05);box-shadow:none;padding:0 0 0 16px}
.dropdown-menu a{color:rgba(255,255,255,.7)}
.dropdown-menu a:hover{background:rgba(255,255,255,.05);color:var(--accent-light)}
.nav-dropdown .nav-link::after{display:none}
}
@media(max-width:768px){
.section{padding:60px 0}
.section-title h2{font-size:2rem}
.hero-content h1{font-size:2rem}
.hero-stats{flex-direction:column;gap:16px}
.features-grid{grid-template-columns:1fr}
.scenarios-grid{grid-template-columns:1fr}
.news-grid{grid-template-columns:1fr}
.testimonials-grid{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr}
.footer-bottom{flex-direction:column;gap:12px;text-align:center}
.steps-grid{grid-template-columns:1fr}
.article-main{padding:24px}
.article-main h1{font-size:1.5rem}
.download-info h1{font-size:2rem}
.sys-req-grid{grid-template-columns:1fr}
.version-cards{grid-template-columns:1fr}
}
@media(max-width:480px){
.hero-content h1{font-size:1.75rem}
.hero-buttons{flex-direction:column;align-items:center}
.btn{padding:10px 24px;font-size:.9rem}
.btn-lg{padding:14px 28px;font-size:1rem}
.section-title h2{font-size:1.5rem}
.demo-stats{grid-template-columns:1fr}
.download-meta{flex-direction:column;gap:16px}
.article-nav{flex-direction:column}
.article-nav a{max-width:100%}
}