*{margin:0;padding:0;box-sizing:border-box}
:root{--primary:#0066ff;--primary-dark:#0052cc;--primary-light:#e6f0ff;--accent:#ff6b35;--text:#1a1a2e;--text-light:#555;--text-muted:#888;--bg:#fff;--bg-light:#f8f9fc;--bg-dark:#0d1117;--border:#e2e8f0;--shadow:0 2px 20px rgba(0,0,0,.08);--shadow-lg:0 10px 40px rgba(0,0,0,.12);--radius:12px;--radius-sm:8px;--transition:all .3s ease}
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:var(--text);background:var(--bg);line-height:1.7;overflow-x:hidden}
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-title{text-align:center;margin-bottom:50px}
.section-title h2{font-size:2.2rem;font-weight:700;margin-bottom:12px;color:var(--text)}
.section-title p{font-size:1.1rem;color:var(--text-light);max-width:600px;margin:0 auto}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 28px;border-radius:50px;font-size:1rem;font-weight:600;cursor:pointer;transition:var(--transition);border:none;text-align:center}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;box-shadow:0 4px 15px rgba(0,102,255,.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 25px rgba(0,102,255,.4)}
.btn-outline{border:2px solid var(--primary);color:var(--primary);background:transparent}
.btn-outline:hover{background:var(--primary);color:#fff}
.btn-accent{background:linear-gradient(135deg,var(--accent),#ff8c42);color:#fff;box-shadow:0 4px 15px rgba(255,107,53,.3)}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 6px 25px rgba(255,107,53,.4)}
.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;padding:15px 0;transition:var(--transition)}
.navbar.scrolled{background:rgba(255,255,255,.95);backdrop-filter:blur(20px);box-shadow:0 2px 20px rgba(0,0,0,.08);padding:10px 0}
.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:700;color:var(--primary)}
.nav-logo img{width:36px;height:36px}
.nav-menu{display:flex;align-items:center;gap:5px}
.nav-item{position:relative}
.nav-link{display:flex;align-items:center;gap:4px;padding:8px 16px;font-size:.95rem;font-weight:500;color:var(--text);border-radius:var(--radius-sm);transition:var(--transition)}
.nav-link:hover{color:var(--primary);background:var(--primary-light)}
.nav-link .arrow{font-size:.7rem;transition:transform .3s}
.nav-item:hover .arrow{transform:rotate(180deg)}
.nav-dropdown{position:absolute;top:100%;left:0;min-width:200px;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:8px;opacity:0;visibility:hidden;transform:translateY(10px);transition:var(--transition)}
.nav-item:hover .nav-dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.nav-dropdown a{display:block;padding:10px 16px;border-radius:var(--radius-sm);font-size:.9rem;color:var(--text);transition:var(--transition)}
.nav-dropdown a:hover{background:var(--primary-light);color:var(--primary)}
.nav-cta .btn{padding:10px 24px;font-size:.9rem}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:5px}
.hamburger span{width:25px;height:2.5px;background:var(--text);border-radius:2px;transition:var(--transition)}
.hero{padding:140px 0 80px;background:linear-gradient(135deg,#f0f7ff 0%,#e6f0ff 50%,#f8f9fc 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,.08) 0%,transparent 70%);border-radius:50%}
.hero .container{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.hero-content h1{font-size:3rem;font-weight:800;line-height:1.2;margin-bottom:20px;color:var(--text)}
.hero-content h1 span{color:var(--primary);display:inline}
.hero-content .subtitle{font-size:1.2rem;color:var(--text-light);margin-bottom:30px;line-height:1.8}
.hero-buttons{display:flex;gap:15px;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;color:var(--primary)}
.hero-stat .label{font-size:.85rem;color:var(--text-muted);margin-top:4px}
.hero-demo{position:relative}
.demo-window{background:#fff;border-radius:16px;box-shadow:var(--shadow-lg);overflow:hidden;border:1px solid var(--border)}
.demo-header{display:flex;align-items:center;gap:8px;padding:12px 16px;background:#f8f9fc;border-bottom:1px solid var(--border)}
.demo-dot{width:12px;height:12px;border-radius:50%}
.demo-dot.red{background:#ff5f57}
.demo-dot.yellow{background:#ffbd2e}
.demo-dot.green{background:#28c840}
.demo-body{padding:20px;min-height:300px}
.demo-search{display:flex;gap:10px;margin-bottom:20px}
.demo-search input{flex:1;padding:12px 16px;border:2px solid var(--border);border-radius:50px;font-size:.95rem;outline:none;transition:var(--transition)}
.demo-search input:focus{border-color:var(--primary)}
.demo-search button{padding:12px 24px;background:var(--primary);color:#fff;border:none;border-radius:50px;cursor:pointer;font-weight:600;transition:var(--transition)}
.demo-search button:hover{background:var(--primary-dark)}
.demo-feed{display:flex;flex-direction:column;gap:12px}
.demo-card{padding:16px;border:1px solid var(--border);border-radius:var(--radius-sm);transition:var(--transition);cursor:pointer}
.demo-card:hover{border-color:var(--primary);box-shadow:0 2px 10px rgba(0,102,255,.1)}
.demo-card h4{font-size:.95rem;margin-bottom:6px;color:var(--text)}
.demo-card p{font-size:.85rem;color:var(--text-light)}
.demo-card .meta{display:flex;gap:12px;margin-top:8px;font-size:.8rem;color:var(--text-muted)}
.features{background:var(--bg)}
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{padding:30px;border-radius:var(--radius);border:1px solid var(--border);transition:var(--transition);text-align:center}
.feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:var(--primary)}
.feature-icon{width:60px;height:60px;margin:0 auto 16px;background:var(--primary-light);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.5rem}
.feature-card h3{font-size:1.1rem;margin-bottom:8px;color:var(--text)}
.feature-card p{font-size:.9rem;color:var(--text-light);line-height:1.6}
.scenarios{background:var(--bg-light)}
.scenarios-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scenario-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:var(--transition)}
.scenario-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.scenario-card img{width:100%;height:180px;object-fit:cover}
.scenario-card .content{padding:20px}
.scenario-card h3{font-size:1.05rem;margin-bottom:8px}
.scenario-card p{font-size:.9rem;color:var(--text-light)}
.pricing{background:var(--bg)}
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:center}
.pricing-card{background:#fff;border-radius:var(--radius);padding:36px;border:1px solid var(--border);text-align:center;transition:var(--transition)}
.pricing-card.popular{border-color:var(--primary);transform:scale(1.05);box-shadow:var(--shadow-lg);position:relative}
.pricing-card.popular::before{content:'最受欢迎';position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--primary);color:#fff;padding:4px 16px;border-radius:50px;font-size:.8rem;font-weight:600}
.pricing-card h3{font-size:1.2rem;margin-bottom:8px}
.pricing-card .price{font-size:2.5rem;font-weight:800;color:var(--primary);margin:16px 0}
.pricing-card .price span{font-size:1rem;color:var(--text-muted);font-weight:400}
.pricing-card ul{margin:20px 0;text-align:left}
.pricing-card ul li{padding:8px 0;font-size:.9rem;color:var(--text-light);display:flex;align-items:center;gap:8px}
.pricing-card ul li::before{content:'✓';color:var(--primary);font-weight:700}
.faq{background:var(--bg-light)}
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border-radius:var(--radius);margin-bottom:12px;overflow:hidden;border:1px solid var(--border);transition:var(--transition)}
.faq-item.active{border-color:var(--primary)}
.faq-question{padding:20px 24px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:1rem}
.faq-question .icon{font-size:1.2rem;transition:transform .3s;color:var(--primary)}
.faq-item.active .icon{transform:rotate(45deg)}
.faq-answer{padding:0 24px;max-height:0;overflow:hidden;transition:all .4s ease}
.faq-item.active .faq-answer{max-height:500px;padding:0 24px 20px}
.faq-answer p{font-size:.95rem;color:var(--text-light);line-height:1.8}
.testimonials{background:var(--bg)}
.testimonials-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.testimonial-card{background:#fff;border-radius:var(--radius);padding:28px;border:1px solid var(--border);transition:var(--transition)}
.testimonial-card:hover{box-shadow:var(--shadow)}
.testimonial-card .stars{color:#ffc107;margin-bottom:12px;font-size:1.1rem}
.testimonial-card .text{font-size:.95rem;color:var(--text-light);line-height:1.7;margin-bottom:16px;font-style:italic}
.testimonial-card .author{display:flex;align-items:center;gap:12px}
.testimonial-card .avatar{width:40px;height:40px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.9rem}
.testimonial-card .author-info .name{font-weight:600;font-size:.9rem}
.testimonial-card .author-info .role{font-size:.8rem;color:var(--text-muted)}
.news-section{background:var(--bg-light)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:var(--transition)}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.news-card img{width:100%;height:200px;object-fit:cover}
.news-card .content{padding:20px}
.news-card .date{font-size:.8rem;color:var(--text-muted);margin-bottom:8px}
.news-card h3{font-size:1rem;margin-bottom:8px;line-height:1.5}
.news-card h3 a:hover{color:var(--primary)}
.news-card p{font-size:.9rem;color:var(--text-light);line-height:1.6}
.cta-section{background:linear-gradient(135deg,var(--primary),var(--primary-dark));padding:80px 0;text-align:center;color:#fff}
.cta-section h2{font-size:2.2rem;font-weight:700;margin-bottom:16px}
.cta-section p{font-size:1.1rem;opacity:.9;margin-bottom:30px;max-width:600px;margin-left:auto;margin-right:auto}
.cta-section .btn{background:#fff;color:var(--primary);font-weight:700}
.cta-section .btn:hover{transform:translateY(-2px);box-shadow:0 6px 25px rgba(255,255,255,.3)}
.footer{background:var(--bg-dark);color:#fff;padding:60px 0 30px}
.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:700;margin-bottom:12px;color:#fff}
.footer-brand p{font-size:.9rem;color:rgba(255,255,255,.6);line-height:1.7}
.footer-col h4{font-size:1rem;font-weight:600;margin-bottom:16px;color:#fff}
.footer-col a{display:block;padding:4px 0;font-size:.9rem;color:rgba(255,255,255,.6);transition:var(--transition)}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;text-align:center;font-size:.85rem;color:rgba(255,255,255,.5)}
.breadcrumb{padding:120px 0 20px;background:var(--bg-light)}
.breadcrumb nav{display:flex;align-items:center;gap:8px;font-size:.9rem;color:var(--text-muted)}
.breadcrumb a{color:var(--primary)}
.breadcrumb a:hover{text-decoration:underline}
.news-detail{padding:40px 0 80px}
.news-detail .container{display:grid;grid-template-columns:1fr 300px;gap:40px}
.news-content{background:#fff;border-radius:var(--radius);padding:36px;box-shadow:var(--shadow)}
.news-content h1{font-size:1.8rem;font-weight:700;line-height:1.4;margin-bottom:16px}
.news-meta{display:flex;gap:16px;margin-bottom:24px;font-size:.85rem;color:var(--text-muted);flex-wrap:wrap}
.news-body h2{font-size:1.3rem;font-weight:600;margin:28px 0 12px;color:var(--text);padding-left:12px;border-left:3px solid var(--primary)}
.news-body p{font-size:1rem;color:var(--text-light);line-height:1.9;margin-bottom:16px}
.news-body img{border-radius:var(--radius-sm);margin:20px 0}
.news-sidebar{position:sticky;top:100px;align-self:start}
.sidebar-card{background:#fff;border-radius:var(--radius);padding:20px;margin-bottom:20px;box-shadow:var(--shadow)}
.sidebar-card h4{font-size:1rem;font-weight:600;margin-bottom:16px;padding-left:12px;border-left:3px solid var(--primary)}
.toc-list{position:relative;padding-left:20px}
.toc-list::before{content:'';position:absolute;left:6px;top:0;bottom:0;width:2px;background:var(--border)}
.toc-list a{display:block;padding:8px 0;font-size:.85rem;color:var(--text-light);position:relative;transition:var(--transition)}
.toc-list a::before{content:'';position:absolute;left:-17px;top:50%;transform:translateY(-50%);width:10px;height:10px;border-radius:50%;background:var(--border);border:2px solid #fff;transition:var(--transition)}
.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 var(--border);font-size:.85rem;color:var(--text-light);transition:var(--transition)}
.hot-news-list a:last-child{border-bottom:none}
.hot-news-list a:hover{color:var(--primary)}
.hot-news-list .rank{width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:700;color:#fff;background:var(--text-muted);flex-shrink:0}
.hot-news-list a:nth-child(1) .rank{background:linear-gradient(135deg,#ff6b35,#ff8c42)}
.hot-news-list a:nth-child(2) .rank{background:linear-gradient(135deg,#ffc107,#ffca2c)}
.hot-news-list a:nth-child(3) .rank{background:linear-gradient(135deg,var(--primary),var(--primary-dark))}
.tag-list{display:flex;flex-wrap:wrap;gap:8px}
.tag-list a{padding:6px 14px;background:var(--bg-light);border-radius:50px;font-size:.8rem;color:var(--text-light);border:1px solid var(--border);transition:var(--transition)}
.tag-list a:hover{background:var(--primary-light);color:var(--primary);border-color:var(--primary)}
.news-nav{display:flex;justify-content:space-between;margin-top:30px;padding-top:20px;border-top:1px solid var(--border)}
.news-nav a{font-size:.9rem;color:var(--primary)}
.related-news{margin-top:40px}
.related-news h3{font-size:1.2rem;font-weight:600;margin-bottom:16px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.related-card{background:var(--bg-light);border-radius:var(--radius-sm);padding:16px;transition:var(--transition)}
.related-card:hover{box-shadow:var(--shadow)}
.related-card h4{font-size:.9rem;margin-bottom:6px}
.related-card h4 a:hover{color:var(--primary)}
.related-card .date{font-size:.8rem;color:var(--text-muted)}
.comments-section{margin-top:40px}
.comments-section h3{font-size:1.2rem;font-weight:600;margin-bottom:20px}
.comment{display:flex;gap:12px;padding:16px 0;border-bottom:1px solid var(--border)}
.comment:last-child{border-bottom:none}
.comment-avatar{width:40px;height:40px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.9rem;flex-shrink:0}
.comment-body .comment-header{display:flex;align-items:center;gap:10px;margin-bottom:6px}
.comment-body .name{font-weight:600;font-size:.9rem}
.comment-body .date{font-size:.8rem;color:var(--text-muted)}
.comment-body .text{font-size:.9rem;color:var(--text-light);line-height:1.6}
.download-page .hero{padding:120px 0 60px}
.download-versions{padding:60px 0}
.version-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.version-card{background:#fff;border-radius:var(--radius);padding:30px;border:1px solid var(--border);text-align:center;transition:var(--transition)}
.version-card:hover{box-shadow:var(--shadow-lg);border-color:var(--primary)}
.version-card h3{font-size:1.2rem;margin-bottom:8px}
.version-card .size{font-size:.9rem;color:var(--text-muted);margin-bottom:16px}
.version-card ul{text-align:left;margin:16px 0}
.version-card ul li{padding:6px 0;font-size:.9rem;color:var(--text-light)}
.version-card ul li::before{content:'✓';color:var(--primary);font-weight:700;margin-right:8px}
.sys-requirements{background:var(--bg-light);padding:60px 0}
.req-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.req-item{background:#fff;border-radius:var(--radius-sm);padding:20px;text-align:center;border:1px solid var(--border)}
.req-item .icon{font-size:2rem;margin-bottom:10px}
.req-item h4{font-size:.95rem;margin-bottom:6px}
.req-item p{font-size:.85rem;color:var(--text-light)}
.install-steps{padding:60px 0}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step-card{text-align:center;padding:24px;position:relative}
.step-card .step-num{width:50px;height:50px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.2rem;font-weight:700;margin:0 auto 16px}
.step-card h4{font-size:1rem;margin-bottom:8px}
.step-card p{font-size:.9rem;color:var(--text-light)}
.sitemap-page{padding:120px 0 60px}
.sitemap-page h1{font-size:2rem;text-align:center;margin-bottom:40px}
.sitemap-sections{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.sitemap-section h3{font-size:1.1rem;font-weight:600;margin-bottom:16px;color:var(--primary);padding-bottom:8px;border-bottom:2px solid var(--primary)}
.sitemap-section a{display:block;padding:6px 0;font-size:.9rem;color:var(--text-light)}
.sitemap-section a:hover{color:var(--primary)}
.page-404{min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;background:var(--bg-light)}
.page-404 h1{font-size:6rem;font-weight:800;color:var(--primary);margin-bottom:16px}
.page-404 p{font-size:1.2rem;color:var(--text-light);margin-bottom:24px}
.page-404 .countdown{font-size:1rem;color:var(--text-muted)}
.news-list-page{padding:120px 0 60px}
.news-list-page h1{font-size:2rem;text-align:center;margin-bottom:40px}
.news-list-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media(max-width:992px){
.nav-menu{position:fixed;top:0;right:-100%;width:280px;height:100vh;background:#fff;flex-direction:column;align-items:flex-start;padding:80px 20px 20px;box-shadow:var(--shadow-lg);transition:var(--transition);overflow-y:auto}
.nav-menu.active{right:0}
.hamburger{display:flex}
.nav-dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;padding-left:16px;display:none}
.nav-item.open .nav-dropdown{display:block}
.hero .container{grid-template-columns:1fr;gap:40px}
.hero-content h1{font-size:2.2rem}
.hero-stats{gap:20px}
.features-grid,.scenarios-grid,.news-grid,.testimonials-grid,.version-grid,.req-grid,.news-list-grid{grid-template-columns:repeat(2,1fr)}
.pricing-grid{grid-template-columns:1fr}
.pricing-card.popular{transform:none}
.footer-grid{grid-template-columns:1fr 1fr}
.news-detail .container{grid-template-columns:1fr}
.news-sidebar{position:static}
.steps-grid{grid-template-columns:repeat(2,1fr)}
.sitemap-sections{grid-template-columns:1fr}
.related-grid{grid-template-columns:1fr}
}
@media(max-width:768px){
.section{padding:50px 0}
.section-title h2{font-size:1.6rem}
.hero-content h1{font-size:1.8rem}
.hero-stats{flex-wrap:wrap;gap:16px}
.features-grid,.scenarios-grid,.news-grid,.testimonials-grid,.version-grid,.req-grid,.news-list-grid{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr}
.hero-buttons{flex-direction:column}
.hero-buttons .btn{width:100%}
.steps-grid{grid-template-columns:1fr}
}
@media(max-width:480px){
.hero-content h1{font-size:1.5rem}
.hero-stat .number{font-size:1.5rem}
.section-title h2{font-size:1.4rem}
.news-content{padding:20px}
.demo-body{padding:12px}
}