*{margin:0;padding:0;box-sizing:border-box}
:root{--primary:#6366f1;--primary-dark:#4f46e5;--primary-light:#818cf8;--secondary:#06b6d4;--accent:#f59e0b;--bg:#0f172a;--bg-card:#1e293b;--bg-light:#f8fafc;--text:#e2e8f0;--text-dark:#1e293b;--text-muted:#94a3b8;--border:#334155;--gradient:linear-gradient(135deg,#6366f1,#06b6d4);--gradient-warm:linear-gradient(135deg,#f59e0b,#ef4444);--shadow:0 4px 24px rgba(0,0,0,.12);--shadow-lg:0 12px 48px rgba(0,0,0,.2);--radius:12px;--radius-lg:20px;--transition:all .3s cubic-bezier(.4,0,.2,1)}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;background:var(--bg);color:var(--text);line-height:1.7;overflow-x:hidden}
a{color:var(--primary-light);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--secondary)}
img{max-width:100%;height:auto}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section-title{text-align:center;margin-bottom:56px}
.section-title h2{font-size:2.2rem;font-weight:800;margin-bottom:12px;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.section-title p{color:var(--text-muted);font-size:1.1rem;max-width:600px;margin:0 auto}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:50px;font-weight:600;font-size:1rem;cursor:pointer;border:none;transition:var(--transition);text-decoration:none}
.btn-primary{background:var(--gradient);color:#fff;box-shadow:0 4px 20px rgba(99,102,241,.4)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(99,102,241,.5);color:#fff}
.btn-outline{background:transparent;color:var(--primary-light);border:2px solid var(--primary-light)}
.btn-outline:hover{background:var(--primary-light);color:#fff;transform:translateY(-2px)}
.card{background:var(--bg-card);border-radius:var(--radius);padding:32px;border:1px solid var(--border);transition:var(--transition)}
.card:hover{transform:translateY(-4px);border-color:var(--primary);box-shadow:var(--shadow-lg)}
.badge{display:inline-block;padding:4px 12px;border-radius:20px;font-size:.75rem;font-weight:600}
.badge-primary{background:rgba(99,102,241,.15);color:var(--primary-light)}
.badge-accent{background:rgba(245,158,11,.15);color:var(--accent)}
nav.main-nav{position:fixed;top:0;left:0;right:0;z-index:1000;padding:16px 0;transition:var(--transition)}
nav.main-nav.scrolled{background:rgba(15,23,42,.95);backdrop-filter:blur(20px);box-shadow:0 2px 20px rgba(0,0,0,.3);padding:10px 0}
.nav-inner{display:flex;align-items:center;justify-content:space-between;max-width:1200px;margin:0 auto;padding:0 24px}
.nav-logo{display:flex;align-items:center;gap:10px;font-size:1.3rem;font-weight:800;color:#fff}
.nav-logo img{width:36px;height:36px;border-radius:8px}
.nav-links{display:flex;align-items:center;gap:8px;list-style:none}
.nav-links>li{position:relative}
.nav-links>li>a{padding:8px 16px;color:var(--text);font-weight:500;border-radius:8px;display:flex;align-items:center;gap:4px}
.nav-links>li>a:hover,.nav-links>li>a.active{color:#fff;background:rgba(99,102,241,.1)}
.nav-links>li>a .arrow{font-size:.7rem;transition:var(--transition)}
.nav-links>li:hover>a .arrow{transform:rotate(180deg)}
.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(8px);transition:var(--transition)}
.nav-links>li:hover .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{display:block;padding:10px 16px;color:var(--text-dark);border-radius:8px;font-size:.9rem}
.dropdown a:hover{background:rgba(99,102,241,.08);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:#fff;transition:var(--transition);border-radius:2px}
.hero{min-height:100vh;display:flex;align-items:center;padding-top:80px;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:-50%;right:-30%;width:80%;height:150%;background:radial-gradient(circle,rgba(99,102,241,.12) 0%,transparent 60%);pointer-events:none}
.hero::after{content:'';position:absolute;bottom:-30%;left:-20%;width:60%;height:100%;background:radial-gradient(circle,rgba(6,182,212,.08) 0%,transparent 60%);pointer-events:none}
.hero-grid{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:900;line-height:1.2;margin-bottom:20px}
.hero-content h1 span{background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-content .subtitle{font-size:1.2rem;color:var(--text-muted);margin-bottom:32px;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:800;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-stat .label{font-size:.85rem;color:var(--text-muted)}
.hero-demo{position:relative}
.demo-window{background:var(--bg-card);border-radius:var(--radius-lg);border:1px solid var(--border);overflow:hidden;box-shadow:var(--shadow-lg)}
.demo-titlebar{display:flex;align-items:center;gap:8px;padding:12px 16px;background:rgba(0,0,0,.3);border-bottom:1px solid var(--border)}
.demo-dot{width:12px;height:12px;border-radius:50%}
.demo-dot.red{background:#ef4444}
.demo-dot.yellow{background:#f59e0b}
.demo-dot.green{background:#22c55e}
.demo-titlebar span{margin-left:auto;font-size:.8rem;color:var(--text-muted)}
.demo-body{padding:24px;min-height:320px}
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.feature-card{text-align:center;padding:40px 24px}
.feature-icon{width:64px;height:64px;border-radius:16px;background:var(--gradient);display:flex;align-items:center;justify-content:center;margin:0 auto 20px;font-size:1.8rem}
.feature-card h3{font-size:1.15rem;margin-bottom:10px;color:#fff}
.feature-card p{color:var(--text-muted);font-size:.95rem}
.scenarios-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:24px}
.scenario-card{overflow:hidden;padding:0}
.scenario-card .scenario-img{height:200px;overflow:hidden}
.scenario-card .scenario-img img{width:100%;height:100%;object-fit:cover;transition:var(--transition)}
.scenario-card:hover .scenario-img img{transform:scale(1.05)}
.scenario-card .scenario-body{padding:24px}
.scenario-card h3{font-size:1.1rem;margin-bottom:8px;color:#fff}
.scenario-card p{color:var(--text-muted);font-size:.9rem}
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.pricing-card{text-align:center;padding:40px 28px;position:relative}
.pricing-card.popular{border-color:var(--primary);transform:scale(1.05)}
.pricing-card.popular::before{content:'最受欢迎';position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--gradient);color:#fff;padding:4px 20px;border-radius:20px;font-size:.8rem;font-weight:600}
.pricing-card h3{font-size:1.3rem;margin-bottom:8px;color:#fff}
.pricing-card .price{font-size:2.8rem;font-weight:900;margin:16px 0;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.pricing-card .price small{font-size:1rem;-webkit-text-fill-color:var(--text-muted)}
.pricing-card ul{list-style:none;margin:24px 0;text-align:left}
.pricing-card ul li{padding:8px 0;color:var(--text-muted);display:flex;align-items:center;gap:8px}
.pricing-card ul li::before{content:'✓';color:var(--primary-light);font-weight:700}
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:12px;overflow:hidden}
.faq-question{padding:20px 24px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;color:#fff}
.faq-question:hover{color:var(--primary-light)}
.faq-question .icon{transition:var(--transition);font-size:1.2rem}
.faq-item.active .faq-question .icon{transform:rotate(45deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-answer-inner{padding:0 24px 20px;color:var(--text-muted);line-height:1.8}
.testimonials-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:24px}
.testimonial-card{padding:32px}
.testimonial-header{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.testimonial-avatar{width:48px;height:48px;border-radius:50%;background:var(--gradient);display:flex;align-items:center;justify-content:center;font-weight:700;color:#fff;font-size:1.1rem}
.testimonial-info h4{font-size:.95rem;color:#fff}
.testimonial-info span{font-size:.8rem;color:var(--text-muted)}
.testimonial-card .stars{color:var(--accent);margin-bottom:12px}
.testimonial-card p{color:var(--text-muted);font-size:.95rem;font-style:italic}
.news-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:24px}
.news-card{overflow:hidden;padding:0}
.news-card .news-img{height:200px;overflow:hidden}
.news-card .news-img img{width:100%;height:100%;object-fit:cover;transition:var(--transition)}
.news-card:hover .news-img img{transform:scale(1.05)}
.news-card .news-body{padding:24px}
.news-card .news-date{font-size:.8rem;color:var(--text-muted);margin-bottom:8px}
.news-card h3{font-size:1.05rem;margin-bottom:8px;color:#fff;line-height:1.5}
.news-card h3 a{color:#fff}
.news-card h3 a:hover{color:var(--primary-light)}
.news-card p{color:var(--text-muted);font-size:.9rem}
.cta-section{text-align:center;padding:80px 0;position:relative}
.cta-section::before{content:'';position:absolute;inset:0;background:var(--gradient);opacity:.08;border-radius:var(--radius-lg)}
.cta-section h2{font-size:2rem;font-weight:800;margin-bottom:16px;color:#fff}
.cta-section p{color:var(--text-muted);margin-bottom:32px;font-size:1.1rem}
footer{background:rgba(0,0,0,.3);border-top:1px solid var(--border);padding:60px 0 30px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand p{color:var(--text-muted);margin-top:12px;font-size:.9rem}
.footer-col h4{color:#fff;margin-bottom:16px;font-size:1rem}
.footer-col ul{list-style:none}
.footer-col ul li{margin-bottom:8px}
.footer-col ul li a{color:var(--text-muted);font-size:.9rem}
.footer-col ul li a:hover{color:var(--primary-light)}
.footer-bottom{text-align:center;padding-top:24px;border-top:1px solid var(--border);color:var(--text-muted);font-size:.85rem}
.download-hero{padding-top:120px;padding-bottom:60px}
.download-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.download-versions{padding:40px 0}
.version-card{display:flex;align-items:center;justify-content:space-between;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;margin-bottom:16px;transition:var(--transition)}
.version-card:hover{border-color:var(--primary)}
.version-info h3{color:#fff;margin-bottom:4px}
.version-info p{color:var(--text-muted);font-size:.85rem}
.sys-req-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:20px}
.sys-req-item{display:flex;align-items:flex-start;gap:16px;padding:20px}
.sys-req-icon{width:48px;height:48px;border-radius:12px;background:rgba(99,102,241,.15);display:flex;align-items:center;justify-content:center;font-size:1.3rem;flex-shrink:0}
.sys-req-item h4{color:#fff;margin-bottom:4px;font-size:.95rem}
.sys-req-item p{color:var(--text-muted);font-size:.85rem}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step-card{text-align:center;padding:32px 20px;position:relative}
.step-num{width:48px;height:48px;border-radius:50%;background:var(--gradient);display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff;font-size:1.2rem;margin:0 auto 16px}
.step-card h3{color:#fff;margin-bottom:8px}
.step-card p{color:var(--text-muted);font-size:.9rem}
.news-list-page .news-item{display:grid;grid-template-columns:300px 1fr;gap:24px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;margin-bottom:20px;transition:var(--transition)}
.news-list-page .news-item:hover{border-color:var(--primary);transform:translateX(4px)}
.news-list-page .news-item .news-img{height:200px}
.news-list-page .news-item .news-img img{width:100%;height:100%;object-fit:cover}
.news-list-page .news-item .news-content{padding:24px;display:flex;flex-direction:column;justify-content:center}
.news-list-page .news-item .news-content h3{font-size:1.15rem;margin-bottom:8px}
.news-list-page .news-item .news-content h3 a{color:#fff}
.news-list-page .news-item .news-content h3 a:hover{color:var(--primary-light)}
.news-list-page .news-item .news-content p{color:var(--text-muted);font-size:.9rem;margin-bottom:12px}
.news-list-page .news-item .news-meta{display:flex;gap:16px;font-size:.8rem;color:var(--text-muted)}
.article-page{padding-top:100px}
.article-header{margin-bottom:40px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:.85rem;color:var(--text-muted);margin-bottom:24px;flex-wrap:wrap}
.breadcrumb a{color:var(--text-muted)}
.breadcrumb a:hover{color:var(--primary-light)}
.article-header h1{font-size:2rem;font-weight:800;color:#fff;line-height:1.4;margin-bottom:16px}
.article-meta{display:flex;align-items:center;gap:16px;color:var(--text-muted);font-size:.9rem;flex-wrap:wrap}
.article-layout{display:grid;grid-template-columns:1fr 300px;gap:40px;align-items:start}
.article-body{line-height:1.9}
.article-body h2{font-size:1.4rem;color:#fff;margin:32px 0 16px;padding-left:16px;border-left:4px solid var(--primary)}
.article-body p{margin-bottom:16px;color:var(--text)}
.article-body img{border-radius:var(--radius);margin:20px 0}
.article-sidebar{position:sticky;top:100px}
.sidebar-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:20px}
.sidebar-card h4{font-size:1rem;color:#fff;margin-bottom:16px;padding-left:12px;border-left:3px solid var(--primary)}
.toc-list{list-style:none}
.toc-list li{position:relative;padding:8px 0 8px 24px;border-left:2px solid var(--border);margin-left:8px}
.toc-list li a{color:var(--text-muted);font-size:.85rem}
.toc-list li a:hover,.toc-list li.active a{color:var(--primary-light);font-weight:600}
.toc-list li::before{content:'';position:absolute;left:-6px;top:50%;transform:translateY(-50%);width:10px;height:10px;border-radius:50%;background:var(--border);transition:var(--transition)}
.toc-list li.active::before{background:var(--primary)}
.hot-news-list{list-style:none}
.hot-news-list li{display:flex;align-items:flex-start;gap:10px;padding:8px 0}
.hot-rank{width:24px;height:24px;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:700;color:#fff;flex-shrink:0;background:var(--border)}
.hot-rank.r1{background:linear-gradient(135deg,#ef4444,#f97316)}
.hot-rank.r2{background:linear-gradient(135deg,#f97316,#f59e0b)}
.hot-rank.r3{background:linear-gradient(135deg,#f59e0b,#eab308)}
.hot-news-list li a{font-size:.85rem;color:var(--text-muted);line-height:1.5}
.hot-news-list li a:hover{color:var(--primary-light)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud a{padding:4px 12px;border-radius:20px;font-size:.8rem;background:rgba(99,102,241,.1);color:var(--text-muted);border:1px solid transparent;transition:var(--transition)}
.tag-cloud a:hover{border-color:var(--primary);color:var(--primary-light);background:rgba(99,102,241,.15)}
.article-nav{display:flex;justify-content:space-between;margin-top:40px;padding-top:24px;border-top:1px solid var(--border);gap:16px}
.article-nav a{padding:12px 20px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);color:var(--text-muted);font-size:.9rem;max-width:48%;transition:var(--transition)}
.article-nav a:hover{border-color:var(--primary);color:var(--primary-light)}
.comments-section{margin-top:48px}
.comments-section h3{font-size:1.3rem;color:#fff;margin-bottom:24px}
.comment-item{display:flex;gap:12px;padding:16px 0;border-bottom:1px solid var(--border)}
.comment-avatar{width:40px;height:40px;border-radius:50%;background:var(--gradient);display:flex;align-items:center;justify-content:center;font-weight:700;color:#fff;font-size:.9rem;flex-shrink:0}
.comment-body h4{font-size:.9rem;color:#fff;margin-bottom:2px}
.comment-body .comment-date{font-size:.75rem;color:var(--text-muted);margin-bottom:6px}
.comment-body p{font-size:.9rem;color:var(--text-muted)}
.related-news{margin-top:48px}
.related-news h3{font-size:1.3rem;color:#fff;margin-bottom:24px}
.sitemap-page{padding-top:100px}
.sitemap-page h1{font-size:2rem;color:#fff;text-align:center;margin-bottom:40px}
.sitemap-sections{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:24px}
.sitemap-section{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px}
.sitemap-section h3{color:var(--primary-light);margin-bottom:12px;font-size:1.1rem}
.sitemap-section ul{list-style:none}
.sitemap-section ul li{margin-bottom:8px}
.sitemap-section ul li a{color:var(--text-muted);font-size:.9rem}
.sitemap-section ul li a:hover{color:var(--primary-light)}
.page-404{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}
.page-404 h1{font-size:6rem;font-weight:900;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.page-404 p{color:var(--text-muted);margin:16px 0 32px;font-size:1.1rem}
.anim-fade{opacity:0;transform:translateY(30px);transition:opacity .6s ease,transform .6s ease}
.anim-fade.visible{opacity:1;transform:translateY(0)}
.demo-proxy{display:flex;flex-direction:column;gap:12px}
.demo-proxy .proxy-status{display:flex;align-items:center;gap:12px;margin-bottom:8px}
.demo-proxy .status-dot{width:12px;height:12px;border-radius:50%;background:#22c55e;animation:pulse 2s infinite}
.demo-proxy .status-text{font-weight:600;color:#22c55e}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.5}}
.demo-proxy .proxy-row{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;background:rgba(0,0,0,.2);border-radius:8px;font-size:.85rem}
.demo-proxy .proxy-row .label{color:var(--text-muted)}
.demo-proxy .proxy-row .value{color:#fff;font-weight:600}
.demo-proxy .connect-btn{width:100%;padding:12px;border-radius:8px;border:none;background:var(--gradient);color:#fff;font-weight:700;font-size:1rem;cursor:pointer;transition:var(--transition);margin-top:8px}
.demo-proxy .connect-btn:hover{opacity:.9;transform:scale(1.02)}
.demo-proxy .connect-btn.connected{background:linear-gradient(135deg,#22c55e,#16a34a)}
.speed-bar{height:6px;background:var(--border);border-radius:3px;overflow:hidden;margin-top:4px}
.speed-bar-fill{height:100%;background:var(--gradient);border-radius:3px;transition:width 1s ease}
@media(max-width:992px){
.hero-grid,.download-grid{grid-template-columns:1fr;gap:40px}
.hero-content h1{font-size:2.2rem}
.pricing-grid{grid-template-columns:1fr}
.pricing-card.popular{transform:none}
.footer-grid{grid-template-columns:1fr 1fr}
.article-layout{grid-template-columns:1fr}
.article-sidebar{position:static}
.steps-grid{grid-template-columns:repeat(2,1fr)}
.nav-links{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(15,23,42,.98);flex-direction:column;align-items:center;justify-content:center;gap:16px;z-index:999}
.nav-links.open{display:flex}
.nav-links>li>a{font-size:1.2rem;padding:12px 24px}
.hamburger{display:flex}
.dropdown{position:static;opacity:1;visibility:visible;transform:none;background:transparent;box-shadow:none;padding:0 0 0 24px}
.dropdown a{color:var(--text)}
.news-list-page .news-item{grid-template-columns:1fr}
}
@media(max-width:768px){
.hero-content h1{font-size:1.8rem}
.section{padding:60px 0}
.section-title h2{font-size:1.7rem}
.hero-stats{flex-wrap:wrap;gap:20px}
.footer-grid{grid-template-columns:1fr}
.steps-grid{grid-template-columns:1fr}
.scenarios-grid,.news-grid,.testimonials-grid{grid-template-columns:1fr}
.article-header h1{font-size:1.5rem}
}
@media(max-width:480px){
.hero-content h1{font-size:1.5rem}
.hero-buttons{flex-direction:column}
.btn{width:100%;justify-content:center}
.container{padding:0 16px}
.hero-stat .num{font-size:1.5rem}
}