*{margin:0;padding:0;box-sizing:border-box}
:root{--primary:#0066ff;--primary-dark:#0052cc;--secondary:#00d4aa;--dark:#1a1a2e;--gray:#6c757d;--light:#f8f9fa;--white:#fff;--shadow:0 4px 20px rgba(0,0,0,.08);--radius:12px}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;line-height:1.6;color:#333;background:#fff}
a{text-decoration:none;color:inherit;transition:all .3s}
a:hover{color:var(--primary)}
img{max-width:100%;height:auto}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.btn{display:inline-block;padding:12px 28px;border-radius:var(--radius);font-weight:600;text-align:center;transition:all .3s;cursor:pointer;border:none}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 8px 25px rgba(0,102,255,.3)}
.btn-secondary{background:var(--secondary);color:#fff}
.btn-secondary:hover{background:#00b894;transform:translateY(-2px)}
.btn-outline{border:2px solid var(--primary);color:var(--primary);background:transparent}
.btn-outline:hover{background:var(--primary);color:#fff}
header{position:fixed;top:0;left:0;right:0;background:rgba(255,255,255,.98);backdrop-filter:blur(10px);z-index:1000;box-shadow:0 2px 20px rgba(0,0,0,.05)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:15px 0}
.logo{display:flex;align-items:center;gap:10px;font-size:1.5rem;font-weight:700;color:var(--dark)}
.logo img{width:36px;height:36px}
.nav-links{display:flex;gap:30px;list-style:none}
.nav-links a{color:var(--dark);font-weight:500}
.nav-links a:hover{color:var(--primary)}
.nav-cta .btn{padding:10px 24px;font-size:.9rem}
.hero{padding:140px 0 80px;background:linear-gradient(135deg,#f0f7ff 0%,#e8f4ff 100%);position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;top:-50%;right:-20%;width:600px;height:600px;background:radial-gradient(circle,rgba(0,102,255,.1) 0%,transparent 70%);border-radius:50%}
.hero-content{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.hero-text h1{font-size:3rem;font-weight:800;color:var(--dark);line-height:1.2;margin-bottom:20px}
.hero-text h1 span{color:var(--primary)}
.hero-text p{font-size:1.2rem;color:var(--gray);margin-bottom:30px}
.hero-buttons{display:flex;gap:15px;flex-wrap:wrap}
.hero-stats{display:flex;gap:40px;margin-top:40px}
.stat-item{text-align:center}
.stat-item .num{font-size:2rem;font-weight:700;color:var(--primary)}
.stat-item .label{font-size:.9rem;color:var(--gray)}
.simulator{background:#1a1a2e;border-radius:20px;padding:20px;box-shadow:0 20px 60px rgba(0,0,0,.3);position:relative}
.simulator-header{display:flex;align-items:center;gap:8px;padding-bottom:15px;border-bottom:1px solid rgba(255,255,255,.1)}
.simulator-dot{width:12px;height:12px;border-radius:50%}
.simulator-dot.red{background:#ff5f56}
.simulator-dot.yellow{background:#ffbd2e}
.simulator-dot.green{background:#27c93f}
.simulator-title{color:#fff;font-size:.9rem;margin-left:10px;opacity:.7}
.simulator-body{padding:20px 0}
.simulator-screen{background:#0d0d1a;border-radius:12px;padding:20px;min-height:280px}
.simulator-nav{display:flex;gap:15px;margin-bottom:20px;padding-bottom:15px;border-bottom:1px solid rgba(255,255,255,.1)}
.simulator-nav a{color:rgba(255,255,255,.7);font-size:.85rem}
.simulator-nav a:hover{color:#fff}
.simulator-content{color:rgba(255,255,255,.9)}
.simulator-content h3{font-size:1.3rem;margin-bottom:10px;color:#fff}
.simulator-content p{font-size:.9rem;opacity:.8;margin-bottom:15px}
.simulator-btn{display:inline-block;background:var(--primary);color:#fff;padding:10px 20px;border-radius:8px;font-size:.85rem}
.simulator-status{display:flex;align-items:center;gap:8px;margin-top:15px;padding:10px;background:rgba(0,212,170,.1);border-radius:8px}
.simulator-status .dot{width:8px;height:8px;background:var(--secondary);border-radius:50%;animation:pulse 2s infinite}
.simulator-status span{color:var(--secondary);font-size:.85rem}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.5}}
.section{padding:80px 0}
.section-title{text-align:center;margin-bottom:50px}
.section-title h2{font-size:2.5rem;font-weight:700;color:var(--dark);margin-bottom:15px}
.section-title p{font-size:1.1rem;color:var(--gray)}
.announcement{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);color:#fff;padding:20px 0;text-align:center}
.announcement p{font-size:1rem}
.announcement a{color:#fff;text-decoration:underline;font-weight:600}
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.feature-card{background:#fff;border-radius:var(--radius);padding:30px;box-shadow:var(--shadow);transition:all .3s;border:1px solid #eee}
.feature-card:hover{transform:translateY(-5px);box-shadow:0 15px 40px rgba(0,0,0,.12)}
.feature-icon{width:60px;height:60px;background:linear-gradient(135deg,var(--primary) 0%,var(--secondary) 100%);border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:20px;font-size:1.5rem;color:#fff}
.feature-card h3{font-size:1.3rem;margin-bottom:10px;color:var(--dark)}
.feature-card p{color:var(--gray);font-size:.95rem}
.compare-table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.compare-table th,.compare-table td{padding:18px 20px;text-align:center;border-bottom:1px solid #eee}
.compare-table th{background:var(--dark);color:#fff;font-weight:600}
.compare-table tr:last-child td{border-bottom:none}
.compare-table .check{color:var(--secondary);font-size:1.3rem}
.compare-table .cross{color:#e74c3c;font-size:1.3rem}
.compare-table .feature-name{text-align:left;font-weight:600;color:var(--dark)}
.news-tabs{display:flex;gap:10px;margin-bottom:30px;justify-content:center;flex-wrap:wrap}
.news-tab{padding:10px 24px;border-radius:25px;background:#f0f0f0;color:var(--dark);font-weight:500;cursor:pointer;transition:all .3s}
.news-tab.active,.news-tab:hover{background:var(--primary);color:#fff}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
.news-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:all .3s}
.news-card:hover{transform:translateY(-5px)}
.news-card-img{height:180px;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);display:flex;align-items:center;justify-content:center;color:#fff;font-size:3rem}
.news-card-content{padding:20px}
.news-card-date{font-size:.85rem;color:var(--gray);margin-bottom:8px}
.news-card h3{font-size:1.1rem;margin-bottom:10px;color:var(--dark);line-height:1.4}
.news-card p{font-size:.9rem;color:var(--gray);line-height:1.5}
.news-card a{display:inline-block;margin-top:15px;color:var(--primary);font-weight:600;font-size:.9rem}
.reviews-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:25px}
.review-card{background:#fff;border-radius:var(--radius);padding:25px;box-shadow:var(--shadow);border:1px solid #eee}
.review-header{display:flex;align-items:center;gap:15px;margin-bottom:15px}
.review-avatar{width:50px;height:50px;border-radius:50%;background:linear-gradient(135deg,var(--primary) 0%,var(--secondary) 100%);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:1.2rem}
.review-info h4{font-size:1rem;color:var(--dark);margin-bottom:3px}
.review-info span{font-size:.85rem;color:var(--gray)}
.review-stars{color:#ffc107;margin-bottom:10px}
.review-text{color:var(--gray);font-size:.95rem;line-height:1.6}
.download-section{background:linear-gradient(135deg,var(--dark) 0%,#2d2d44 100%);color:#fff;padding:80px 0}
.download-section .section-title h2{color:#fff}
.download-section .section-title p{color:rgba(255,255,255,.7)}
.download-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.download-card{background:rgba(255,255,255,.1);border-radius:var(--radius);padding:25px;text-align:center;transition:all .3s;border:1px solid rgba(255,255,255,.1)}
.download-card:hover{background:rgba(255,255,255,.15);transform:translateY(-5px)}
.download-icon{font-size:2.5rem;margin-bottom:15px}
.download-card h4{font-size:1rem;margin-bottom:8px}
.download-card p{font-size:.85rem;opacity:.7;margin-bottom:15px}
.download-card .btn{padding:8px 20px;font-size:.85rem;width:100%}
.trust-section{background:var(--light)}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;text-align:center}
.trust-item{padding:30px}
.trust-item .icon{font-size:3rem;margin-bottom:15px}
.trust-item h4{font-size:1.1rem;margin-bottom:8px;color:var(--dark)}
.trust-item p{font-size:.9rem;color:var(--gray)}
.scenarios-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
.scenario-card{background:#fff;border-radius:var(--radius);padding:30px;text-align:center;box-shadow:var(--shadow);transition:all .3s}
.scenario-card:hover{transform:translateY(-5px)}
.scenario-icon{font-size:3rem;margin-bottom:15px}
.scenario-card h4{font-size:1.2rem;margin-bottom:10px;color:var(--dark)}
.scenario-card p{font-size:.9rem;color:var(--gray)}
.faq-section{background:var(--light)}
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border-radius:var(--radius);margin-bottom:15px;overflow:hidden;box-shadow:var(--shadow)}
.faq-question{padding:20px 25px;font-weight:600;color:var(--dark);cursor:pointer;display:flex;justify-content:space-between;align-items:center}
.faq-question:hover{color:var(--primary)}
.faq-answer{padding:0 25px 20px;color:var(--gray);line-height:1.8}
.faq-answer ol{padding-left:20px}
.faq-answer li{margin-bottom:8px}
.cta-section{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);color:#fff;text-align:center;padding:60px 0}
.cta-section h2{font-size:2rem;margin-bottom:15px}
.cta-section p{font-size:1.1rem;opacity:.9;margin-bottom:25px}
.cta-section .btn{background:#fff;color:var(--primary)}
.cta-section .btn:hover{background:var(--light)}
footer{background:var(--dark);color:#fff;padding:60px 0 30px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-col h4{font-size:1.1rem;margin-bottom:20px;color:#fff}
.footer-col p{color:rgba(255,255,255,.7);font-size:.9rem;line-height:1.8}
.footer-col ul{list-style:none}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{color:rgba(255,255,255,.7);font-size:.9rem}
.footer-col ul li a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:30px;text-align:center;color:rgba(255,255,255,.5);font-size:.9rem}
.breadcrumb{background:var(--light);padding:15px 0;margin-top:70px}
.breadcrumb ol{display:flex;gap:10px;list-style:none;font-size:.9rem}
.breadcrumb li:not(:last-child)::after{content:"/";margin-left:10px;color:var(--gray)}
.breadcrumb a{color:var(--primary)}
.article-container{display:grid;grid-template-columns:1fr 300px;gap:40px;padding:40px 0}
.article-main{background:#fff;border-radius:var(--radius);padding:40px;box-shadow:var(--shadow)}
.article-meta{display:flex;gap:20px;margin-bottom:25px;padding-bottom:20px;border-bottom:1px solid #eee;font-size:.9rem;color:var(--gray)}
.article-content{line-height:1.8;color:#444}
.article-content h2{font-size:1.5rem;margin:30px 0 15px;color:var(--dark)}
.article-content p{margin-bottom:20px}
.article-content img{border-radius:var(--radius);margin:20px 0}
.article-toc{background:var(--light);border-radius:var(--radius);padding:20px;margin-bottom:30px}
.article-toc h4{font-size:1rem;margin-bottom:15px;color:var(--dark)}
.article-toc ul{list-style:none;padding-left:0}
.article-toc ul li{margin-bottom:8px}
.article-toc ul li a{color:var(--gray);font-size:.9rem}
.article-toc ul li a:hover{color:var(--primary)}
.article-nav{display:flex;justify-content:space-between;margin-top:40px;padding-top:30px;border-top:1px solid #eee}
.article-nav a{color:var(--primary);font-weight:500}
.article-sidebar{position:sticky;top:100px;align-self:start}
.sidebar-widget{background:#fff;border-radius:var(--radius);padding:25px;margin-bottom:25px;box-shadow:var(--shadow)}
.sidebar-widget h4{font-size:1.1rem;margin-bottom:15px;color:var(--dark);padding-bottom:10px;border-bottom:2px solid var(--primary)}
.sidebar-widget ul{list-style:none}
.sidebar-widget ul li{margin-bottom:12px;padding-bottom:12px;border-bottom:1px solid #f0f0f0}
.sidebar-widget ul li:last-child{margin-bottom:0;padding-bottom:0;border-bottom:none}
.sidebar-widget ul li a{color:var(--gray);font-size:.9rem;line-height:1.5}
.sidebar-widget ul li a:hover{color:var(--primary)}
.related-articles{margin-top:40px;padding-top:30px;border-top:1px solid #eee}
.related-articles h3{font-size:1.3rem;margin-bottom:20px;color:var(--dark)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.comments-section{margin-top:40px;padding-top:30px;border-top:1px solid #eee}
.comments-section h3{font-size:1.3rem;margin-bottom:20px;color:var(--dark)}
.comment-item{display:flex;gap:15px;padding:20px 0;border-bottom:1px solid #f0f0f0}
.comment-item:last-child{border-bottom:none}
.comment-avatar{width:45px;height:45px;border-radius:50%;background:linear-gradient(135deg,var(--primary) 0%,var(--secondary) 100%);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;flex-shrink:0}
.comment-content h5{font-size:.95rem;color:var(--dark);margin-bottom:5px}
.comment-content span{font-size:.8rem;color:var(--gray)}
.comment-content p{font-size:.9rem;color:var(--gray);margin-top:8px;line-height:1.6}
.page-404{min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:40px 20px}
.page-404 h1{font-size:8rem;font-weight:800;color:var(--primary);line-height:1}
.page-404 h2{font-size:2rem;color:var(--dark);margin:20px 0}
.page-404 p{color:var(--gray);margin-bottom:30px}
.page-404 .countdown{font-size:1.2rem;color:var(--primary);font-weight:600}
.sitemap-page{padding:120px 0 60px}
.sitemap-page h1{font-size:2rem;margin-bottom:30px;color:var(--dark)}
.sitemap-page section{margin-bottom:40px}
.sitemap-page h2{font-size:1.3rem;margin-bottom:15px;color:var(--dark);padding-bottom:10px;border-bottom:2px solid var(--primary)}
.sitemap-page ul{list-style:none;display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:10px}
.sitemap-page ul li a{color:var(--gray);font-size:.95rem;padding:8px 0;display:block}
.sitemap-page ul li a:hover{color:var(--primary)}
@media(max-width:1024px){.hero-content{grid-template-columns:1fr}.features-grid,.news-grid,.scenarios-grid{grid-template-columns:repeat(2,1fr)}.download-grid{grid-template-columns:repeat(3,1fr)}.trust-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}.article-container{grid-template-columns:1fr}.article-sidebar{position:static}}
@media(max-width:768px){.hero-text h1{font-size:2rem}.section-title h2{font-size:1.8rem}.features-grid,.news-grid,.scenarios-grid,.download-grid,.trust-grid,.footer-grid,.related-grid{grid-template-columns:1fr}.nav-links{display:none}.hero-stats{flex-wrap:wrap;gap:20px}}