*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;line-height:1.6;color:#333;background:#f8f9fa}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
header{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#fff;padding:15px 0;position:sticky;top:0;z-index:1000;box-shadow:0 2px 10px rgba(0,0,0,.1)}
header .container{display:flex;justify-content:space-between;align-items:center}
.logo{font-size:24px;font-weight:bold;text-decoration:none;color:#fff}
nav ul{display:flex;list-style:none;gap:25px;align-items:center}
nav a{color:#fff;text-decoration:none;font-weight:500;transition:opacity .3s}
nav a:hover{opacity:.8}
.lang-switch{background:rgba(255,255,255,.2);padding:5px 15px;border-radius:20px;font-size:14px}
.hero{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#fff;padding:80px 0;text-align:center}
.hero h1{font-size:48px;margin-bottom:20px}
.hero p{font-size:20px;margin-bottom:30px;opacity:.9}
.btn{display:inline-block;padding:15px 40px;background:#fff;color:#667eea;text-decoration:none;border-radius:30px;font-weight:bold;transition:transform .3s,box-shadow .3s}
.btn:hover{transform:translateY(-3px);box-shadow:0 10px 30px rgba(0,0,0,.2)}
.btn-primary{background:#667eea;color:#fff}
.features{padding:80px 0;background:#fff}
.section-title{text-align:center;font-size:36px;margin-bottom:50px;color:#333}
.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:30px}
.feature-card{background:#f8f9fa;padding:30px;border-radius:15px;text-align:center;transition:transform .3s,box-shadow .3s}
.feature-card:hover{transform:translateY(-5px);box-shadow:0 15px 40px rgba(0,0,0,.1)}
.feature-icon{font-size:48px;margin-bottom:20px}
.feature-card h3{font-size:20px;margin-bottom:15px;color:#333}
.feature-card p{color:#666}
.download-section{padding:80px 0;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#fff;text-align:center}
.download-section h2{font-size:36px;margin-bottom:20px}
.download-section p{font-size:18px;margin-bottom:30px;opacity:.9}
.download-btn{display:inline-block;padding:20px 50px;background:#fff;color:#667eea;text-decoration:none;border-radius:30px;font-weight:bold;font-size:18px;transition:transform .3s}
.download-btn:hover{transform:scale(1.05)}
.platforms{display:flex;justify-content:center;gap:30px;margin-top:30px;flex-wrap:wrap}
.platform{background:rgba(255,255,255,.1);padding:15px 30px;border-radius:10px}
.faq-section{padding:80px 0;background:#fff}
.faq-categories{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;margin-top:40px}
.faq-category{background:#f8f9fa;padding:25px;border-radius:10px;text-decoration:none;color:#333;transition:all .3s;display:block}
.faq-category:hover{background:#667eea;color:#fff;transform:translateY(-3px)}
.faq-category h3{margin-bottom:10px;font-size:18px}
.faq-category p{font-size:14px;opacity:.8}
.news-section{padding:80px 0;background:#f8f9fa}
.news-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:30px}
.news-card{background:#fff;border-radius:15px;overflow:hidden;box-shadow:0 5px 20px rgba(0,0,0,.08);transition:transform .3s}
.news-card:hover{transform:translateY(-5px)}
.news-card img{width:100%;height:200px;object-fit:cover}
.news-content{padding:25px}
.news-date{color:#667eea;font-size:14px;margin-bottom:10px}
.news-card h3{font-size:18px;margin-bottom:15px}
.news-card h3 a{color:#333;text-decoration:none}
.news-card h3 a:hover{color:#667eea}
.news-excerpt{color:#666;font-size:14px;line-height:1.8}
footer{background:#2d3748;color:#fff;padding:50px 0 20px}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:40px;margin-bottom:40px}
.footer-col h4{margin-bottom:20px;font-size:16px}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:10px}
.footer-col a{color:#a0aec0;text-decoration:none;transition:color .3s}
.footer-col a:hover{color:#fff}
.footer-bottom{text-align:center;padding-top:20px;border-top:1px solid #4a5568;color:#a0aec0;font-size:14px}
.breadcrumb{padding:15px 0;background:#fff;border-bottom:1px solid #e2e8f0;font-size:14px}
.breadcrumb a{color:#667eea;text-decoration:none}
.breadcrumb span{color:#666;margin:0 8px}
.article-content{max-width:800px;margin:0 auto;padding:40px 20px;background:#fff}
.article-header{margin-bottom:30px}
.article-header h1{font-size:32px;margin-bottom:15px;line-height:1.4}
.article-meta{color:#666;font-size:14px;display:flex;gap:20px;flex-wrap:wrap}
.article-body{line-height:1.8;font-size:16px}
.article-body p{margin-bottom:20px}
.article-body h2{font-size:24px;margin:30px 0 15px;color:#333}
.article-body h3{font-size:20px;margin:25px 0 15px;color:#333}
.article-body img{max-width:100%;height:auto;border-radius:10px;margin:20px 0}
.article-body ul,.article-body ol{margin:20px 0;padding-left:30px}
.article-body li{margin-bottom:10px}
.faq-page{max-width:900px;margin:0 auto;padding:40px 20px}
.faq-item{background:#fff;border-radius:10px;padding:30px;margin-bottom:20px;box-shadow:0 2px 10px rgba(0,0,0,.05)}
.faq-item h3{color:#667eea;margin-bottom:15px;font-size:20px}
.faq-answer{color:#555;line-height:1.8}
.faq-answer ol{padding-left:25px}
.faq-answer li{margin-bottom:12px}
.page-content{max-width:900px;margin:0 auto;padding:40px 20px;background:#fff}
.page-content h1{font-size:32px;margin-bottom:25px;color:#333}
.page-content h2{font-size:24px;margin:30px 0 15px;color:#333}
.page-content p{margin-bottom:20px;line-height:1.8;color:#555}
.page-content ul{margin:20px 0;padding-left:30px}
.page-content li{margin-bottom:10px;line-height:1.8;color:#555}
@media(max-width:768px){.hero h1{font-size:32px}.hero p{font-size:16px}nav ul{gap:15px}.section-title{font-size:28px}.feature-grid,.news-grid{grid-template-columns:1fr}}