*{margin:0;padding:0;box-sizing:border-box}
body{font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.6;color:#333;background:#f5f7fa;font-size:16px}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.header{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#fff;padding:20px 0;box-shadow:0 2px 10px rgba(0,0,0,.1);position:sticky;top:0;z-index:1000}
.header .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap}
.logo h1,.logo .site-name{font-size:28px;font-weight:700;margin-bottom:5px}
.logo-link{color:#fff;text-decoration:none;display:block}
.logo-link:hover{opacity:.9}
.breadcrumb{background:#fff;padding:12px 0;border-bottom:1px solid #e8ecf1;margin-bottom:0}
.breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:8px;font-size:14px;color:#666}
.breadcrumb li+li:before{content:">";margin-right:8px;color:#999}
.breadcrumb a{color:#667eea;text-decoration:none}
.breadcrumb a:hover{text-decoration:underline}
.breadcrumb [aria-current="page"]{color:#333}
.article-page{margin:40px 0}
.article-header{background:#fff;padding:40px;border-radius:12px;box-shadow:0 4px 15px rgba(0,0,0,.08);margin-bottom:30px}
.article-header h1{font-size:32px;color:#333;margin-bottom:15px;line-height:1.4}
.article-header .article-meta{color:#999;font-size:14px;margin-bottom:20px}
.article-cover{width:100%;max-height:400px;object-fit:cover;border-radius:8px;margin-bottom:25px}
.article-body{background:#fff;padding:40px;border-radius:12px;box-shadow:0 4px 15px rgba(0,0,0,.08);line-height:1.9}
.article-body h2{font-size:22px;color:#667eea;margin:30px 0 15px}
.article-body h2:first-child{margin-top:0}
.article-body p{color:#555;margin-bottom:18px;font-size:16px}
.article-body ul,.article-body ol{margin:0 0 18px 20px;color:#555}
.article-body li{margin-bottom:8px}
.article-nav{margin-top:30px;display:flex;gap:15px;flex-wrap:wrap}
.article-nav .btn-secondary{color:#667eea;border-color:#667eea}
.article-nav .btn-secondary:hover{background:rgba(102,126,234,.1)}
.related-reading{background:#fff;padding:30px;border-radius:12px;box-shadow:0 4px 15px rgba(0,0,0,.08);margin-top:30px}
.related-reading h2{font-size:20px;color:#667eea;margin-bottom:20px}
.related-reading ul{list-style:none}
.related-reading li{margin-bottom:12px;padding-left:18px;position:relative}
.related-reading li:before{content:"›";position:absolute;left:0;color:#667eea;font-weight:700}
.related-reading a{color:#333;text-decoration:none}
.related-reading a:hover{color:#667eea;text-decoration:underline}
.article-index-intro{background:#fff;padding:40px;border-radius:12px;box-shadow:0 4px 15px rgba(0,0,0,.08);margin-bottom:40px;text-align:center}
.article-index-intro h1{font-size:32px;color:#333;margin-bottom:15px}
.section-intro{text-align:center;color:#666;max-width:800px;margin:-30px auto 40px;line-height:1.8;font-size:16px}
.article-more-link{text-align:center;margin:-30px 0 30px}
.article-more-link a{color:#667eea;text-decoration:none;font-weight:600}
.article-more-link a:hover{text-decoration:underline}
.error-page{text-align:center;padding:80px 20px}
.error-page h1{font-size:72px;color:#667eea;margin-bottom:10px}
.error-page h2{font-size:28px;color:#333;margin-bottom:20px}
.error-page p{color:#666;margin-bottom:30px}
.tagline{font-size:14px;opacity:.9}
.nav ul{display:flex;list-style:none;gap:30px;flex-wrap:wrap}
.nav a{color:#fff;text-decoration:none;font-size:16px;transition:opacity .3s;padding:5px 0}
.nav a:hover{opacity:.8;text-decoration:underline}
.nav-toggle{display:none;background:0 0;border:none;color:#fff;font-size:28px;cursor:pointer;padding:5px}
.main{min-height:calc(100vh - 200px);padding:40px 0}
.hero{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#fff;padding:80px 0;text-align:center;margin-bottom:60px}
.hero-title{font-size:36px;font-weight:700;margin-bottom:20px;line-height:1.3}
.hero-desc{font-size:18px;margin-bottom:30px;opacity:.95;max-width:800px;margin-left:auto;margin-right:auto}
.hero-buttons{display:flex;gap:20px;justify-content:center;flex-wrap:wrap}
.btn{display:inline-block;padding:12px 30px;border-radius:6px;text-decoration:none;font-size:16px;font-weight:600;transition:all .3s;border:none;cursor:pointer}
.btn-primary{background:#fff;color:#667eea}
.btn-primary:hover{background:#f0f0f0;transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,.15)}
.btn-secondary{background:0 0;color:#fff;border:2px solid #fff}
.btn-secondary:hover{background:rgba(255,255,255,.1)}
.btn-download{background:#667eea;color:#fff;margin-top:15px}
.btn-download:hover{background:#5568d3;transform:translateY(-2px)}
.btn-blue{background:#667eea;color:#fff}
.btn-blue:hover{background:#5568d3;transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,.15)}
.section-title{font-size:32px;font-weight:700;text-align:center;margin-bottom:50px;color:#333}
.page-header{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#fff;padding:60px 0;text-align:center;margin-bottom:50px}
.page-title{font-size:40px;font-weight:700;margin-bottom:15px}
.page-subtitle{font-size:18px;opacity:.9}
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px;margin-bottom:60px}
.feature-card{background:#fff;border-radius:12px;padding:30px;box-shadow:0 4px 15px rgba(0,0,0,.08);transition:transform .3s,box-shadow .3s;text-align:center}
.feature-card:hover{transform:translateY(-5px);box-shadow:0 8px 25px rgba(0,0,0,.12)}
.feature-img{width:100%;height:200px;object-fit:cover;border-radius:8px;margin-bottom:20px}
.feature-card h3{font-size:22px;margin-bottom:15px;color:#667eea}
.feature-card p{color:#666;line-height:1.8}
.section-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px;margin-bottom:60px}
.info-card{background:#fff;border-radius:12px;padding:30px;box-shadow:0 4px 15px rgba(0,0,0,.08);transition:transform .3s,box-shadow .3s;text-align:center}
.info-card:hover{transform:translateY(-5px);box-shadow:0 8px 25px rgba(0,0,0,.12)}
.info-img{width:100%;height:180px;object-fit:cover;border-radius:8px;margin-bottom:20px}
.info-card h3{font-size:20px;margin-bottom:12px;color:#333}
.info-card p{color:#666;line-height:1.7}
.info-card .card-link{display:inline-block;margin-top:12px;color:#667eea;text-decoration:none;font-weight:600}
.info-card .card-link:hover{text-decoration:underline}
.video-section{margin:60px 0}
.video-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:30px}
.video-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 15px rgba(0,0,0,.08);transition:transform .3s,box-shadow .3s}
.video-card:hover{transform:translateY(-5px);box-shadow:0 8px 25px rgba(0,0,0,.12)}
.video-thumbnail{position:relative;width:100%;padding-top:56.25%;background:#000;overflow:hidden}
.video-img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover}
.play-icon{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:60px;height:60px;background:rgba(102,126,234,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:24px;cursor:pointer;transition:all .3s}
.video-card:hover .play-icon{background:#667eea;transform:translate(-50%,-50%) scale(1.1)}
.video-card h3{padding:20px 20px 10px;font-size:20px;color:#333}
.video-card p{padding:0 20px 20px;color:#666;line-height:1.6}
.video-link{display:inline-block;padding:0 20px 20px;color:#667eea;text-decoration:none;font-weight:600}
.video-link:hover{text-decoration:underline}
.article-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:30px;margin-bottom:60px}
.article-cat-title{text-align:left;font-size:26px;margin:40px 0 24px;padding-bottom:12px;border-bottom:2px solid #4a90d9}
.article-card{background:#fff;border-radius:12px;padding:30px;box-shadow:0 4px 15px rgba(0,0,0,.08);transition:transform .3s,box-shadow .3s}
.article-card:hover{transform:translateY(-5px);box-shadow:0 8px 25px rgba(0,0,0,.12)}
.article-img{width:100%;height:200px;object-fit:cover;border-radius:8px;margin-bottom:15px}
.article-card h3{font-size:20px;margin-bottom:12px;color:#333}
.article-card h3 a{color:#333;text-decoration:none}
.article-card h3 a:hover{color:#667eea}
.article-card p{color:#666;line-height:1.8;font-size:15px}
.article-meta{color:#999;font-size:13px;margin-bottom:10px}
.faq-list{display:flex;flex-direction:column;gap:15px;margin-bottom:60px}
.faq-item{background:#fff;border-radius:12px;padding:25px 30px;box-shadow:0 4px 15px rgba(0,0,0,.08)}
.faq-item h3{font-size:18px;margin-bottom:10px;color:#333;padding-left:20px;position:relative}
.faq-item h3:before{content:"Q";position:absolute;left:0;color:#667eea;font-weight:700}
.faq-item p{padding-left:20px;color:#666;line-height:1.8}
.content-section{margin:60px 0}
.content-text{background:#fff;padding:40px;border-radius:12px;box-shadow:0 4px 15px rgba(0,0,0,.08);line-height:1.8}
.content-text p{margin-bottom:20px;color:#555;font-size:16px}
.download-section{margin:40px 0}
.download-intro{background:#fff;padding:40px;border-radius:12px;margin-bottom:40px;box-shadow:0 4px 15px rgba(0,0,0,.08)}
.download-intro h2{font-size:28px;margin-bottom:20px;color:#667eea}
.download-intro p{color:#666;line-height:1.8;font-size:16px}
.download-platforms{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:30px;margin-bottom:50px}
.platform-card{background:#fff;border-radius:12px;padding:30px;text-align:center;box-shadow:0 4px 15px rgba(0,0,0,.08);transition:transform .3s}
.platform-card:hover{transform:translateY(-5px)}
.platform-img{width:100%;height:180px;object-fit:cover;border-radius:8px;margin-bottom:20px}
.platform-card h3{font-size:24px;margin-bottom:10px;color:#333}
.platform-card p{color:#666;margin-bottom:10px}
.version{color:#667eea;font-weight:600;margin:15px 0}
.install-guide{background:#fff;padding:40px;border-radius:12px;margin-bottom:40px;box-shadow:0 4px 15px rgba(0,0,0,.08)}
.install-guide h2{font-size:28px;margin-bottom:30px;color:#667eea}
.guide-steps{display:flex;flex-direction:column;gap:30px}
.step{display:flex;gap:20px;align-items:flex-start}
.step-number{width:50px;height:50px;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:700;flex-shrink:0}
.step-content h3{font-size:20px;margin-bottom:10px;color:#333}
.step-content p{color:#666;line-height:1.8}
.platform-content{margin:40px 0}
.platform-intro{background:#fff;padding:40px;border-radius:12px;margin-bottom:40px;box-shadow:0 4px 15px rgba(0,0,0,.08)}
.platform-main-img{width:100%;height:400px;object-fit:cover;border-radius:8px;margin-bottom:30px}
.platform-intro h2{font-size:28px;margin-bottom:20px;color:#667eea}
.platform-intro p{color:#666;line-height:1.8;margin-bottom:15px;font-size:16px}
.platform-advantages{background:#fff;padding:40px;border-radius:12px;margin-bottom:40px;box-shadow:0 4px 15px rgba(0,0,0,.08)}
.platform-advantages h2{font-size:28px;margin-bottom:30px;color:#667eea}
.advantages-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:30px}
.advantage-item{text-align:center}
.advantage-img{width:100%;height:180px;object-fit:cover;border-radius:8px;margin-bottom:20px}
.advantage-item h3{font-size:20px;margin-bottom:15px;color:#333}
.advantage-item p{color:#666;line-height:1.8}
.platform-features-detail{background:#fff;padding:40px;border-radius:12px;margin-bottom:40px;box-shadow:0 4px 15px rgba(0,0,0,.08)}
.platform-features-detail h2{font-size:28px;margin-bottom:30px;color:#667eea}
.features-list{display:flex;flex-direction:column;gap:25px}
.feature-item{padding:20px;background:#f8f9fa;border-radius:8px;border-left:4px solid #667eea}
.feature-item h3{font-size:20px;margin-bottom:10px;color:#333}
.feature-item p{color:#666;line-height:1.8}
.features-detail-section{margin:40px 0}
.features-intro{background:#fff;padding:40px;border-radius:12px;margin-bottom:40px;box-shadow:0 4px 15px rgba(0,0,0,.08)}
.features-intro h2{font-size:28px;margin-bottom:20px;color:#667eea}
.features-intro p{color:#666;line-height:1.8;font-size:16px}
.features-main{display:flex;flex-direction:column;gap:30px;margin-bottom:40px}
.feature-detail-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 15px rgba(0,0,0,.08);display:flex;flex-direction:column}
.feature-detail-img{width:100%;height:300px;object-fit:cover}
.feature-detail-content{padding:30px}
.feature-detail-content h3{font-size:24px;margin-bottom:15px;color:#667eea}
.feature-detail-content p{color:#666;line-height:1.8;margin-bottom:20px;font-size:16px}
.feature-detail-content ul{list-style:none;padding-left:0}
.feature-detail-content ul li{padding:8px 0;padding-left:25px;position:relative;color:#555}
.feature-detail-content ul li:before{content:"✓";position:absolute;left:0;color:#667eea;font-weight:700}
.related-links{margin:60px 0}
.related-links h2{font-size:28px;text-align:center;margin-bottom:30px;color:#333}
.links-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px}
.link-card{background:#fff;padding:20px;border-radius:8px;text-align:center;text-decoration:none;color:#667eea;font-weight:600;box-shadow:0 2px 10px rgba(0,0,0,.08);transition:all .3s}
.link-card:hover{background:#667eea;color:#fff;transform:translateY(-3px);box-shadow:0 4px 15px rgba(102,126,234,.3)}
.faq-section{margin:60px 0}
.news-section{margin:60px 0}
.news-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px}
.news-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 15px rgba(0,0,0,.08);transition:transform .3s,box-shadow .3s}
.news-card:hover{transform:translateY(-5px);box-shadow:0 8px 25px rgba(0,0,0,.12)}
.news-img{width:100%;height:180px;object-fit:cover}
.news-content{padding:20px}
.news-content h3{font-size:18px;margin-bottom:10px;color:#333}
.news-content p{color:#666;line-height:1.7;font-size:14px}
.news-card a{display:block;color:inherit;text-decoration:none}
.news-card a:hover .news-content h3{color:#667eea}
.footer{background:#2c3e50;color:#fff;padding:50px 0 20px;margin-top:60px}
.footer-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:32px;margin-bottom:30px}
.footer-section h3,.footer-section h4{margin-bottom:16px;color:#fff;font-size:16px}
.footer-section ul{list-style:none}
.footer-section ul li{margin-bottom:10px}
.footer-section a{color:#bdc3c7;text-decoration:none;transition:color .3s}
.footer-section a:hover{color:#fff}
.footer-section p{color:#bdc3c7;line-height:1.8;font-size:14px}
.footer-brand p{font-size:14px}
.footer-bottom{text-align:center;padding-top:20px;border-top:1px solid #34495e;color:#95a5a6}
.footer-copyright{margin-bottom:10px;font-size:14px;color:#bdc3c7}
.footer-meta{font-size:13px;line-height:1.8}
.footer-meta a{color:#7fb3e8;text-decoration:none}
.footer-meta a:hover{color:#fff;text-decoration:underline}
.footer-domain{color:#ecf0f1;font-weight:600}
.footer-update{color:#ecf0f1}
img{max-width:100%;height:auto;display:block}
@media(max-width:768px){
.hero-title{font-size:28px}
.hero-desc{font-size:16px}
.section-title{font-size:26px}
.page-title{font-size:32px}
.nav ul{display:none;gap:15px;margin-top:15px;flex-direction:column;width:100%}
.nav.active ul{display:flex}
.nav-toggle{display:block}
.features-grid,.video-grid,.download-platforms,.advantages-grid,.section-grid,.article-list,.news-list{grid-template-columns:1fr}
.feature-detail-card{flex-direction:column}
.step{flex-direction:column;text-align:center}
.step-number{margin:0 auto}
.container{padding:0 15px}
.content-text,.download-intro,.install-guide,.platform-intro,.platform-advantages,.platform-features-detail,.features-intro{padding:25px}
body{font-size:15px}
.platform-main-img{height:250px}
}
@media(max-width:480px){
.hero{padding:50px 0}
.hero-title{font-size:24px}
.hero-buttons{flex-direction:column;align-items:center}
.btn{width:100%;max-width:300px}
.logo h1,.logo .site-name{font-size:24px}
.tagline{font-size:12px}
.page-title{font-size:28px}
.feature-detail-img{height:200px}
}