*{margin:0;padding:0;box-sizing:border-box}
:root{--primary:#2563eb;--primary-dark:#1d4ed8;--accent:#06b6d4;--dark:#0a1628;--dark2:#111d35;--gray:#64748b;--light:#f1f5f9;--white:#fff;--gradient:linear-gradient(135deg,#2563eb,#06b6d4);--gradient2:linear-gradient(135deg,#0a1628,#1e3a5f);--shadow:0 4px 24px rgba(0,0,0,.08);--shadow-lg:0 8px 40px rgba(0,0,0,.12);--radius:12px;--radius-lg:20px}
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:#1e293b;line-height:1.7;background:var(--white);overflow-x:hidden}
a{text-decoration:none;color:inherit;transition:color .3s}
img{max-width:100%;height:auto;display:block}
ul{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;margin-bottom:12px;color:var(--dark)}
.section-title p{color:var(--gray);font-size:1.1rem;max-width:600px;margin:0 auto}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 32px;border-radius:50px;font-weight:600;font-size:1rem;cursor:pointer;transition:all .3s;border:none;text-align:center}
.btn-primary{background:var(--gradient);color:var(--white);box-shadow:0 4px 20px rgba(37,99,235,.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 30px rgba(37,99,235,.4)}
.btn-outline{background:transparent;color:var(--white);border:2px solid rgba(255,255,255,.4)}
.btn-outline:hover{background:rgba(255,255,255,.1);border-color:var(--white)}
.btn-white{background:var(--white);color:var(--primary);box-shadow:var(--shadow)}
.btn-white:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}
header{position:fixed;top:0;left:0;right:0;z-index:1000;transition:all .3s;padding:16px 0}
header.scrolled{background:rgba(10,22,40,.95);backdrop-filter:blur(12px);padding:10px 0;box-shadow:0 2px 20px rgba(0,0,0,.15)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between}
.nav-logo{display:flex;align-items:center;gap:10px;font-size:1.4rem;font-weight:700;color:var(--white)}
.nav-logo img{width:36px;height:36px}
.nav-menu{display:flex;align-items:center;gap:8px}
.nav-item{position:relative}
.nav-link{padding:10px 16px;color:rgba(255,255,255,.85);font-weight:500;font-size:.95rem;transition:color .3s;display:flex;align-items:center;gap:4px}
.nav-link:hover{color:var(--white)}
.nav-link .arrow{font-size:.7rem;transition:transform .3s}
.nav-item:hover .arrow{transform:rotate(180deg)}
.dropdown{position:absolute;top:100%;left:0;min-width:200px;background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:8px 0;opacity:0;visibility:hidden;transform:translateY(10px);transition:all .3s}
.nav-item:hover .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{display:block;padding:10px 20px;color:#334155;font-size:.9rem;transition:all .2s}
.dropdown a:hover{background:var(--light);color:var(--primary)}
.nav-cta .btn{padding:10px 24px;font-size:.9rem}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.hamburger span{width:24px;height:2px;background:var(--white);transition:all .3s;border-radius:2px}
.hero{background:var(--gradient2);min-height:100vh;display:flex;align-items:center;padding-top:80px;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:-50%;right:-20%;width:800px;height:800px;background:radial-gradient(circle,rgba(37,99,235,.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:3rem;font-weight:800;color:var(--white);line-height:1.2;margin-bottom:20px}
.hero-content h1 span{background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.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:700;color:var(--white)}
.hero-stat .label{font-size:.85rem;color:rgba(255,255,255,.6);margin-top:4px}
.vpn-demo{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-lg);padding:30px;backdrop-filter:blur(10px)}
.vpn-demo-header{display:flex;align-items:center;gap:8px;margin-bottom:20px}
.vpn-demo-dot{width:10px;height:10px;border-radius:50%}
.vpn-demo-dot:nth-child(1){background:#ef4444}
.vpn-demo-dot:nth-child(2){background:#f59e0b}
.vpn-demo-dot:nth-child(3){background:#22c55e}
.vpn-demo-title{color:rgba(255,255,255,.6);font-size:.85rem;margin-left:12px}
.vpn-map{position:relative;height:200px;background:rgba(37,99,235,.05);border-radius:var(--radius);margin-bottom:20px;overflow:hidden;display:flex;align-items:center;justify-content:center}
.vpn-map-grid{position:absolute;inset:0;background-image:radial-gradient(rgba(37,99,235,.2) 1px,transparent 1px);background-size:20px 20px}
.vpn-node{position:absolute;width:12px;height:12px;border-radius:50%;background:var(--accent);box-shadow:0 0 12px rgba(6,182,212,.6);cursor:pointer;transition:all .3s}
.vpn-node:hover{transform:scale(1.5)}
.vpn-node.active{background:var(--primary);box-shadow:0 0 20px rgba(37,99,235,.8);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 12px rgba(37,99,235,.6)}50%{box-shadow:0 0 24px rgba(37,99,235,.9)}}
.vpn-connect-btn{width:100%;padding:16px;border-radius:50px;background:var(--gradient);color:var(--white);font-size:1.1rem;font-weight:600;border:none;cursor:pointer;transition:all .3s;position:relative;overflow:hidden}
.vpn-connect-btn:hover{transform:scale(1.02);box-shadow:0 4px 20px rgba(37,99,235,.4)}
.vpn-connect-btn.connected{background:linear-gradient(135deg,#22c55e,#16a34a)}
.vpn-info{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:16px}
.vpn-info-item{text-align:center;padding:12px;background:rgba(255,255,255,.05);border-radius:8px}
.vpn-info-item .val{font-size:1.1rem;font-weight:700;color:var(--white)}
.vpn-info-item .lbl{font-size:.75rem;color:rgba(255,255,255,.5);margin-top:2px}
.vpn-speed-bar{height:4px;background:rgba(255,255,255,.1);border-radius:2px;margin-top:16px;overflow:hidden}
.vpn-speed-fill{height:100%;background:var(--gradient);border-radius:2px;width:0;transition:width 1.5s ease}
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{background:var(--white);border:1px solid #e2e8f0;border-radius:var(--radius-lg);padding:32px;transition:all .3s;position:relative;overflow:hidden}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--primary)}
.feature-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--gradient);opacity:0;transition:opacity .3s}
.feature-card:hover::before{opacity:1}
.feature-icon{width:56px;height:56px;border-radius:14px;background:linear-gradient(135deg,rgba(37,99,235,.1),rgba(6,182,212,.1));display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:20px}
.feature-card h3{font-size:1.15rem;font-weight:600;margin-bottom:10px;color:var(--dark)}
.feature-card p{color:var(--gray);font-size:.92rem;line-height:1.7}
.scenarios-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scenario-card{border-radius:var(--radius-lg);overflow:hidden;position:relative;height:280px;cursor:pointer;transition:all .3s}
.scenario-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.scenario-card img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.scenario-card:hover img{transform:scale(1.05)}
.scenario-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(10,22,40,.9),transparent 60%);display:flex;flex-direction:column;justify-content:flex-end;padding:24px}
.scenario-overlay h3{color:var(--white);font-size:1.15rem;font-weight:600;margin-bottom:6px}
.scenario-overlay p{color:rgba(255,255,255,.7);font-size:.85rem}
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.pricing-card{background:var(--white);border:2px solid #e2e8f0;border-radius:var(--radius-lg);padding:36px;text-align:center;transition:all .3s;position:relative}
.pricing-card.popular{border-color:var(--primary);transform:scale(1.05);box-shadow:var(--shadow-lg)}
.pricing-card.popular::before{content:'最受欢迎';position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--gradient);color:var(--white);padding:4px 20px;border-radius:20px;font-size:.8rem;font-weight:600}
.pricing-card:hover{border-color:var(--primary);box-shadow:var(--shadow-lg)}
.pricing-name{font-size:1.2rem;font-weight:600;color:var(--dark);margin-bottom:8px}
.pricing-price{font-size:2.8rem;font-weight:800;color:var(--primary);margin:16px 0}
.pricing-price span{font-size:1rem;color:var(--gray);font-weight:400}
.pricing-features{text-align:left;margin:24px 0}
.pricing-features li{padding:8px 0;color:#475569;font-size:.92rem;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{border:1px solid #e2e8f0;border-radius:var(--radius);margin-bottom:12px;overflow:hidden;transition:all .3s}
.faq-item.active{border-color:var(--primary);box-shadow:0 2px 12px rgba(37,99,235,.08)}
.faq-q{padding:20px 24px;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:all .3s}
.faq-q:hover{color:var(--primary)}
.faq-q .icon{font-size:1.2rem;transition:transform .3s;color:var(--primary)}
.faq-item.active .faq-q .icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease;padding:0 24px}
.faq-item.active .faq-a{max-height:500px;padding:0 24px 20px}
.faq-a p{color:var(--gray);font-size:.92rem;line-height:1.8;margin-bottom:8px}
.faq-a ol{padding-left:20px;color:var(--gray);font-size:.92rem}
.faq-a ol li{margin-bottom:6px}
.testimonials-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.testimonial-card{background:var(--white);border:1px solid #e2e8f0;border-radius:var(--radius-lg);padding:28px;transition:all .3s}
.testimonial-card:hover{box-shadow:var(--shadow)}
.testimonial-stars{color:#f59e0b;margin-bottom:12px;font-size:1rem}
.testimonial-text{color:#475569;font-size:.92rem;line-height:1.8;margin-bottom:16px;font-style:italic}
.testimonial-author{display:flex;align-items:center;gap:12px}
.testimonial-avatar{width:42px;height:42px;border-radius:50%;background:var(--gradient);display:flex;align-items:center;justify-content:center;color:var(--white);font-weight:600;font-size:1rem}
.testimonial-name{font-weight:600;font-size:.9rem}
.testimonial-role{color:var(--gray);font-size:.8rem}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:var(--white);border:1px solid #e2e8f0;border-radius:var(--radius-lg);overflow:hidden;transition:all .3s}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.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(--gray);margin-bottom:8px}
.news-card-body h3{font-size:1.05rem;font-weight:600;margin-bottom:8px;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:.85rem;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cta-section{background:var(--gradient2);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:radial-gradient(circle,rgba(37,99,235,.15),transparent 70%);border-radius:50%}
.cta-section h2{font-size:2.2rem;font-weight:700;color:var(--white);margin-bottom:16px;position:relative}
.cta-section p{color:rgba(255,255,255,.7);font-size:1.1rem;margin-bottom:32px;position:relative}
.cta-section .btn{position:relative}
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:12px}
.footer-col h4{color:var(--white);font-weight:600;margin-bottom:16px;font-size:1rem}
.footer-col a{display:block;padding:4px 0;font-size:.9rem;transition:color .3s}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;text-align:center;font-size:.85rem}
.breadcrumb{padding:120px 0 20px;background:var(--gradient2)}
.breadcrumb-list{display:flex;align-items:center;gap:8px;font-size:.9rem;color:rgba(255,255,255,.6)}
.breadcrumb-list a{color:rgba(255,255,255,.8);transition:color .3s}
.breadcrumb-list a:hover{color:var(--white)}
.breadcrumb-list .sep{color:rgba(255,255,255,.4)}
.news-detail-wrap{display:grid;grid-template-columns:1fr 320px;gap:40px;padding:40px 0}
.news-content{min-width:0}
.news-content h1{font-size:1.8rem;font-weight:700;line-height:1.4;margin-bottom:20px;color:var(--dark)}
.news-meta{display:flex;align-items:center;gap:16px;color:var(--gray);font-size:.85rem;margin-bottom:24px;padding-bottom:24px;border-bottom:1px solid #e2e8f0}
.news-body h2{font-size:1.3rem;font-weight:600;margin:28px 0 14px;color:var(--dark);padding-left:12px;border-left:3px solid var(--primary)}
.news-body p{margin-bottom:16px;color:#374151;font-size:.95rem;line-height:1.9}
.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:1px solid #e2e8f0;border-radius:var(--radius);padding:20px;margin-bottom:20px}
.sidebar-card h4{font-size:1rem;font-weight:600;margin-bottom:16px;padding-left:12px;border-left:3px solid var(--primary);color:var(--dark)}
.toc-list{position:relative;padding-left:20px}
.toc-list::before{content:'';position:absolute;left:6px;top:0;bottom:0;width:2px;background:#e2e8f0}
.toc-list a{display:block;padding:8px 0;font-size:.85rem;color:var(--gray);transition:all .3s;position:relative}
.toc-list a::before{content:'';position:absolute;left:-17px;top:50%;transform:translateY(-50%);width:10px;height:10px;border-radius:50%;background:#e2e8f0;border:2px solid var(--white);transition:all .3s}
.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:10px 0;border-bottom:1px solid #f1f5f9;font-size:.85rem;transition:all .3s}
.hot-news-list a:last-child{border-bottom:none}
.hot-news-list a:hover{color:var(--primary)}
.hot-badge{width:22px;height:22px;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:.7rem;font-weight:700;color:var(--white);flex-shrink:0}
.hot-badge:nth-child(1){background:linear-gradient(135deg,#ef4444,#dc2626)}
.hot-news-list a:nth-child(1) .hot-badge{background:linear-gradient(135deg,#ef4444,#dc2626)}
.hot-news-list a:nth-child(2) .hot-badge{background:linear-gradient(135deg,#f59e0b,#d97706)}
.hot-news-list a:nth-child(3) .hot-badge{background:linear-gradient(135deg,#eab308,#ca8a04)}
.hot-news-list a:nth-child(n+4) .hot-badge{background:#94a3b8}
.tag-list{display:flex;flex-wrap:wrap;gap:8px}
.tag-list a{padding:6px 14px;background:var(--light);border-radius:20px;font-size:.8rem;color:var(--gray);transition:all .3s;border:1px solid transparent}
.tag-list a:hover{color:var(--primary);border-color:var(--primary);background:rgba(37,99,235,.05)}
.news-nav{display:flex;justify-content:space-between;margin:30px 0;padding:20px 0;border-top:1px solid #e2e8f0;border-bottom:1px solid #e2e8f0}
.news-nav a{font-size:.9rem;color:var(--gray);transition:color .3s}
.news-nav a:hover{color:var(--primary)}
.related-news{margin-top:40px}
.related-news h3{font-size:1.2rem;font-weight:600;margin-bottom:20px}
.comments-section{margin-top:40px;padding-top:30px;border-top:1px solid #e2e8f0}
.comments-section h3{font-size:1.2rem;font-weight:600;margin-bottom:20px}
.comment-item{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid #f1f5f9}
.comment-avatar{width:40px;height:40px;border-radius:50%;background:var(--gradient);display:flex;align-items:center;justify-content:center;color:var(--white);font-weight:600;font-size:.9rem;flex-shrink:0}
.comment-body{flex:1}
.comment-header{display:flex;align-items:center;gap:10px;margin-bottom:4px}
.comment-name{font-weight:600;font-size:.9rem}
.comment-date{color:var(--gray);font-size:.8rem}
.comment-text{color:#475569;font-size:.88rem;line-height:1.7}
.download-hero .container{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.download-info h1{font-size:2.4rem;font-weight:700;color:var(--white);margin-bottom:16px}
.download-info .subtitle{color:rgba(255,255,255,.7);font-size:1.1rem;margin-bottom:24px}
.download-buttons{display:flex;gap:16px;margin-bottom:30px;flex-wrap:wrap}
.download-meta{display:flex;gap:30px}
.download-meta-item{text-align:center}
.download-meta-item .val{font-size:1.3rem;font-weight:700;color:var(--white)}
.download-meta-item .lbl{font-size:.8rem;color:rgba(255,255,255,.6);margin-top:2px}
.versions-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.version-card{background:var(--white);border:2px solid #e2e8f0;border-radius:var(--radius-lg);padding:32px;text-align:center;transition:all .3s}
.version-card:hover{border-color:var(--primary);box-shadow:var(--shadow-lg)}
.version-card h3{font-size:1.2rem;font-weight:600;margin-bottom:8px}
.version-card .size{color:var(--gray);font-size:.85rem;margin-bottom:16px}
.version-card ul{text-align:left;margin:16px 0}
.version-card ul li{padding:6px 0;font-size:.88rem;color:#475569;display:flex;align-items:center;gap:8px}
.version-card ul li::before{content:'✓';color:var(--primary);font-weight:700}
.sysreq-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.sysreq-item{background:var(--light);border-radius:var(--radius);padding:20px;text-align:center}
.sysreq-item .icon{font-size:1.5rem;margin-bottom:8px}
.sysreq-item h4{font-size:.95rem;font-weight:600;margin-bottom:4px}
.sysreq-item p{color:var(--gray);font-size:.85rem}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step-card{text-align:center;padding:30px 20px;position:relative}
.step-num{width:48px;height:48px;border-radius:50%;background:var(--gradient);color:var(--white);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;font-weight:600;margin-bottom:8px}
.step-card p{color:var(--gray);font-size:.85rem}
.sitemap-page{padding:120px 0 60px}
.sitemap-page h1{font-size:2rem;font-weight:700;text-align:center;margin-bottom:40px}
.sitemap-columns{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.sitemap-col h3{font-size:1.1rem;font-weight:600;margin-bottom:16px;padding-bottom:8px;border-bottom:2px solid var(--primary)}
.sitemap-col a{display:block;padding:6px 0;color:var(--gray);font-size:.9rem;transition:color .3s}
.sitemap-col a:hover{color:var(--primary)}
.page-404{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--gradient2);text-align:center;color:var(--white)}
.page-404 h1{font-size:6rem;font-weight:800;margin-bottom:16px}
.page-404 p{font-size:1.2rem;color:rgba(255,255,255,.7);margin-bottom:8px}
.page-404 .countdown{font-size:1rem;color:rgba(255,255,255,.5)}
.anim-fade{opacity:0;transform:translateY(30px);transition:all .6s ease}
.anim-fade.visible{opacity:1;transform:translateY(0)}
@media(max-width:992px){
.hamburger{display:flex}
.nav-menu{position:fixed;top:0;right:-100%;width:280px;height:100vh;background:var(--dark);flex-direction:column;padding:80px 20px 20px;transition:right .3s;overflow-y:auto;gap:0}
.nav-menu.open{right:0}
.nav-item{width:100%}
.nav-link{padding:14px 0;border-bottom:1px solid rgba(255,255,255,.05)}
.dropdown{position:static;opacity:1;visibility:visible;transform:none;background:rgba(255,255,255,.03);box-shadow:none;display:none;padding:0 0 0 16px}
.nav-item.open .dropdown{display:block}
.dropdown a{color:rgba(255,255,255,.7);padding:10px 16px}
.nav-cta{margin-top:16px}
.hero .container,.download-hero .container{grid-template-columns:1fr}
.hero-content h1{font-size:2.2rem}
.hero-stats{gap:20px}
.features-grid,.scenarios-grid,.news-grid,.testimonials-grid,.pricing-grid,.versions-grid,.sysreq-grid{grid-template-columns:1fr 1fr}
.steps-grid{grid-template-columns:1fr 1fr}
.footer-grid{grid-template-columns:1fr 1fr}
.news-detail-wrap{grid-template-columns:1fr}
.news-sidebar{position:static}
.sitemap-columns{grid-template-columns:1fr}
.pricing-card.popular{transform:scale(1)}
}
@media(max-width:768px){
.section{padding:50px 0}
.section-title h2{font-size:1.7rem}
.features-grid,.scenarios-grid,.news-grid,.testimonials-grid,.pricing-grid,.versions-grid,.sysreq-grid,.steps-grid{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr}
.hero-content h1{font-size:1.8rem}
.hero-stats{flex-wrap:wrap;gap:16px}
.download-meta{flex-wrap:wrap;gap:16px}
}
@media(max-width:480px){
.hero-content h1{font-size:1.5rem}
.hero-buttons{flex-direction:column}
.btn{width:100%}
.hero-stat .num{font-size:1.5rem}
}