:root{--primary:#2f6bff;--primary2:#22d3ee;--grad:linear-gradient(135deg,#2f6bff 0%,#22d3ee 100%);--dark:#0b1220;--dark2:#111a2e;--txt:#1f2937;--muted:#6b7280;--line:#e5e7eb;--card:#ffffff;--radius:16px;--shadow:0 10px 40px rgba(15,35,95,.10);--shadow-lg:0 24px 70px rgba(15,35,95,.18)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:"PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--txt);background:#fff;line-height:1.7;overflow-x:hidden}a{text-decoration:none;color:inherit}ul{list-style:none}img{max-width:100%;display:block}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 28px;border-radius:50px;font-weight:600;font-size:15px;cursor:pointer;transition:.25s;border:none;line-height:1}.btn-ghost{border:1.5px solid #cbd5e1;color:#334155;background:transparent}.btn-ghost:hover{border-color:var(--primary);color:var(--primary)}.btn-grad{background:var(--grad);color:#fff;box-shadow:0 8px 24px rgba(47,107,255,.35)}.btn-grad:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(47,107,255,.45)}.btn-lg{padding:16px 38px;font-size:16px}.section{padding:88px 0}.sec-head{text-align:center;max-width:720px;margin:0 auto 56px}.sec-head .kicker{display:inline-block;padding:6px 16px;border-radius:30px;background:rgba(47,107,255,.08);color:var(--primary);font-weight:600;font-size:13px;letter-spacing:1px;margin-bottom:14px}.sec-head h2{font-size:36px;font-weight:800;color:#0f172a;margin-bottom:14px;line-height:1.25}.sec-head p{color:var(--muted);font-size:16px}.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;transition:.3s;padding:18px 0}.nav.scrolled{background:rgba(11,18,32,.92);backdrop-filter:blur(14px);padding:12px 0;box-shadow:0 6px 30px rgba(0,0,0,.25)}.nav-inner{display:flex;align-items:center;justify-content:space-between}.nav-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:#fff}.nav-logo img{height:38px;width:38px;border-radius:9px}.nav-menu{display:flex;align-items:center;gap:6px}.nav-menu>li{position:relative}.nav-menu>li>a{display:flex;align-items:center;gap:6px;color:#e5e7eb;font-size:15px;font-weight:500;padding:9px 14px;border-radius:8px;transition:.2s}.nav-menu>li>a:hover{color:#fff;background:rgba(255,255,255,.1)}.nav-menu .caret{transition:.3s;font-size:11px}.nav-menu>li:hover .caret{transform:rotate(180deg)}.dropdown{position:absolute;top:100%;left:0;min-width:200px;background:#fff;border-radius:12px;box-shadow:0 18px 50px rgba(0,0,0,.18);padding:8px;opacity:0;visibility:hidden;transform:translateY(10px);transition:.25s}.nav-menu>li:hover .dropdown{opacity:1;visibility:visible;transform:translateY(0)}.dropdown a{display:block;padding:10px 14px;border-radius:8px;color:#374151;font-size:14px;transition:.15s}.dropdown a:hover{background:#f1f5f9;color:var(--primary)}.nav-actions{display:flex;align-items:center;gap:12px}.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}.hamburger span{width:24px;height:2px;background:#fff;border-radius:2px;transition:.3s}
.hero{position:relative;background:radial-gradient(1200px 600px at 80% -10%,#1d4ed8 0%,transparent 55%),radial-gradient(900px 500px at 10% 110%,#0891b2 0%,transparent 50%),var(--dark);color:#fff;padding:150px 0 100px;overflow:hidden}.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:56px 56px}.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;position:relative;z-index:2}.hero h1{font-size:50px;font-weight:900;line-height:1.15;margin-bottom:20px}.hero .sub{font-size:18px;color:#cbd5e1;max-width:520px;margin-bottom:32px}.hero-cta{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:40px}.hero-stats{display:flex;gap:40px;flex-wrap:wrap}.hero-stats .stat b{font-size:34px;font-weight:800;display:block;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}.hero-stats .stat span{color:#94a3b8;font-size:14px}
.demo{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);backdrop-filter:blur(10px);border-radius:22px;padding:26px}.demo-head{display:flex;align-items:center;gap:8px;margin-bottom:18px}.demo-head i{width:11px;height:11px;border-radius:50%;display:inline-block}.demo-head i:nth-child(1){background:#ff5f57}.demo-head i:nth-child(2){background:#febc2e}.demo-head i:nth-child(3){background:#28c840}.demo-title{color:#cbd5e1;font-size:13px;margin-left:8px}.demo-body{text-align:center}.gauge{position:relative;width:190px;height:190px;margin:6px auto 18px}.gauge svg{transform:rotate(-90deg)}.gauge .ring-bg{stroke:rgba(255,255,255,.12)}.gauge .ring{stroke:url(#g);stroke-linecap:round;transition:stroke-dashoffset 1s ease}.gauge .gv{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}.gauge .gv b{font-size:40px;font-weight:800}.gauge .gv span{color:#94a3b8;font-size:13px}.demo-node{display:flex;justify-content:space-between;align-items:center;background:rgba(255,255,255,.06);border-radius:12px;padding:12px 16px;margin-bottom:14px;font-size:14px}.demo-node .dot{width:9px;height:9px;background:#22c55e;border-radius:50%;display:inline-block;margin-right:8px}.demo-row{display:flex;gap:10px;margin-bottom:16px}.demo-row .d-cell{flex:1;background:rgba(255,255,255,.06);border-radius:12px;padding:12px;font-size:12px;color:#cbd5e1}.demo-row .d-cell b{display:block;font-size:18px;color:#fff}.connect-btn{width:100%;padding:14px;border-radius:12px;border:none;background:var(--grad);color:#fff;font-size:16px;font-weight:700;cursor:pointer;transition:.25s}.connect-btn:hover{filter:brightness(1.1)}.demo-toggles{display:flex;gap:10px;margin-top:14px}.demo-toggles button{flex:1;padding:9px;border-radius:9px;border:1px solid rgba(255,255,255,.18);background:transparent;color:#cbd5e1;font-size:12px;cursor:pointer;transition:.2s}.demo-toggles button.on{background:rgba(34,211,238,.18);border-color:var(--primary2);color:#fff}
.features{background:#f8fafc}.feat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.feat-card{background:var(--card);border-radius:var(--radius);padding:28px 22px;box-shadow:var(--shadow);transition:.3s;border:1px solid transparent}.feat-card:hover{transform:translateY(-6px);border-color:#dbeafe;box-shadow:var(--shadow-lg)}.feat-icon{width:54px;height:54px;border-radius:14px;background:var(--grad);display:flex;align-items:center;justify-content:center;color:#fff;font-size:24px;margin-bottom:18px}.feat-card h3{font-size:18px;margin-bottom:10px;color:#0f172a}.feat-card p{font-size:14px;color:var(--muted)}
.scenes{background:#fff}.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.scene-card{position:relative;border-radius:var(--radius);overflow:hidden;height:220px;box-shadow:var(--shadow)}.scene-card img{width:100%;height:100%;object-fit:cover;transition:.5s}.scene-card:hover img{transform:scale(1.08)}.scene-ov{position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,18,32,.05),rgba(11,18,32,.85));display:flex;flex-direction:column;justify-content:flex-end;padding:22px;color:#fff}.scene-ov h3{font-size:19px;margin-bottom:6px}.scene-ov p{font-size:13px;color:#e2e8f0}
.pricing{background:#f8fafc}.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}.price-card{background:#fff;border-radius:20px;padding:36px 30px;box-shadow:var(--shadow);position:relative;display:flex;flex-direction:column}.price-card.pop{background:linear-gradient(160deg,#0f172a,#1d4ed8);color:#fff;transform:translateY(-10px);box-shadow:var(--shadow-lg)}.price-card .tag{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--grad);color:#fff;font-size:12px;font-weight:700;padding:5px 16px;border-radius:20px}.price-card h3{font-size:20px;margin-bottom:6px}.price-card .desc{font-size:13px;color:var(--muted);margin-bottom:20px}.price-card.pop .desc{color:#cbd5e1}.price-card .amount{font-size:44px;font-weight:900;margin-bottom:4px}.price-card .amount small{font-size:16px;font-weight:500}.price-card .unit{font-size:13px;color:var(--muted);margin-bottom:24px}.price-card.pop .unit{color:#cbd5e1}.price-card ul{flex:1;margin-bottom:26px}.price-card ul li{padding:8px 0;font-size:14px;border-bottom:1px dashed #eef2f7;display:flex;align-items:center;gap:8px}.price-card.pop ul li{border-color:rgba(255,255,255,.14)}.price-card ul li::before{content:"✓";color:var(--primary2);font-weight:800}.price-card.pop .btn{background:#fff;color:#1d4ed8}
.faq{background:#fff}.faq-list{max-width:820px;margin:0 auto}.faq-item{background:#f8fafc;border-radius:14px;margin-bottom:14px;overflow:hidden;border:1px solid #eef2f7}.faq-q{padding:20px 24px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:16px;color:#0f172a}.faq-q .plus{font-size:24px;color:var(--primary);transition:.3s}.faq-item.open .plus{transform:rotate(45deg)}.faq-a{max-height:0;overflow:hidden;transition:.4s;color:var(--muted);font-size:14px}.faq-item.open .faq-a{max-height:500px}.faq-a-inner{padding:0 24px 22px}.faq-a ol{padding-left:20px}.faq-a ol li{margin-bottom:6px}
.testimonials{background:#f8fafc}.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.testi-card{background:#fff;border-radius:16px;padding:26px;box-shadow:var(--shadow)}.testi-stars{color:#f59e0b;margin-bottom:12px}.testi-card p{font-size:14px;color:#374151;margin-bottom:18px}.testi-user{display:flex;align-items:center;gap:12px}.testi-user .av{width:44px;height:44px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700}.testi-user b{display:block;font-size:14px}.testi-user span{font-size:12px;color:var(--muted)}
.news{background:#fff}.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.news-card{background:#fff;border-radius:16px;overflow:hidden;box-shadow:var(--shadow);transition:.3s}.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}.news-card img{width:100%;height:180px;object-fit:cover}.news-card .nc-body{padding:20px}.news-card .nc-date{font-size:12px;color:var(--muted);margin-bottom:8px}.news-card h3{font-size:16px;line-height:1.5;margin-bottom:10px;color:#0f172a}.news-card h3 a:hover{color:var(--primary)}.news-card .nc-more{font-size:13px;color:var(--primary);font-weight:600}
.cta{position:relative;background:var(--grad);color:#fff;padding:90px 0;text-align:center;overflow:hidden}.cta::before{content:"";position:absolute;width:500px;height:500px;border-radius:50%;background:rgba(255,255,255,.12);top:-200px;left:-100px}.cta h2{font-size:40px;font-weight:900;margin-bottom:16px}.cta p{font-size:17px;opacity:.92;margin-bottom:34px}.cta .btn{background:#fff;color:#1d4ed8}
.footer{background:#0b1220;color:#cbd5e1;padding:64px 0 30px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}.footer h4{color:#fff;font-size:16px;margin-bottom:18px}.footer a{display:block;color:#94a3b8;font-size:14px;padding:6px 0;transition:.2s}.footer a:hover{color:#fff}.footer .brand{color:#fff;font-size:20px;font-weight:800;margin-bottom:14px;display:flex;align-items:center;gap:10px}.footer .brand img{height:34px;width:34px;border-radius:8px}.footer .brand-desc{font-size:14px;color:#94a3b8;line-height:1.8}.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:24px;text-align:center;font-size:13px;color:#64748b}
.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:8px}.breadcrumb a{color:var(--primary)}
.page-hero{background:var(--dark);color:#fff;padding:140px 0 70px}.page-hero h1{font-size:40px;font-weight:900;margin-bottom:14px}.page-hero p{color:#cbd5e1;font-size:16px;max-width:640px}
.news-list-page .news-grid{grid-template-columns:repeat(3,1fr)}
.news-detail{display:grid;grid-template-columns:1fr 320px;gap:48px;padding:60px 24px;max-width:1200px;margin:0 auto}.article h1{font-size:32px;font-weight:900;line-height:1.35;color:#0f172a;margin-bottom:18px}.article-meta{display:flex;gap:18px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:26px;flex-wrap:wrap}.article-cover{border-radius:18px;overflow:hidden;margin-bottom:28px;box-shadow:var(--shadow)}.article-cover img{width:100%}.article-content h2{font-size:24px;font-weight:800;color:#0f172a;margin:34px 0 14px;padding-left:14px;border-left:4px solid var(--primary)}.article-content p{font-size:16px;color:#374151;margin-bottom:18px;line-height:1.9}.article-content img{width:100%;border-radius:14px;margin:10px 0 24px}.article-content blockquote{background:#f8fafc;border-left:4px solid var(--primary2);padding:16px 20px;border-radius:0 12px 12px 0;color:#475569;margin:20px 0;font-size:15px}.article-nav{display:flex;justify-content:space-between;gap:20px;margin:40px 0;padding:20px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.article-nav a{font-size:14px;color:var(--primary);font-weight:600}.comments{margin-top:40px}.comments h3{font-size:20px;font-weight:800;margin-bottom:22px;color:#0f172a}.comment{display:flex;gap:14px;padding:18px 0;border-bottom:1px solid #f1f5f9}.comment .av{width:42px;height:42px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0}.comment .cm-head{display:flex;justify-content:space-between;margin-bottom:6px}.comment .cm-head b{font-size:14px}.comment .cm-head span{font-size:12px;color:var(--muted)}.comment p{font-size:14px;color:#4b5563}
.sidebar{position:sticky;top:100px;align-self:start}.side-card{background:#fff;border-radius:16px;box-shadow:var(--shadow);padding:22px;margin-bottom:22px}.side-card h4{font-size:16px;font-weight:800;color:#0f172a;padding-left:12px;border-left:4px solid var(--primary);margin-bottom:16px}.toc{position:relative;padding-left:18px}.toc::before{content:"";position:absolute;left:5px;top:6px;bottom:6px;width:2px;background:#e5e7eb}.toc a{display:flex;align-items:center;gap:10px;padding:7px 0;font-size:14px;color:#6b7280;transition:.2s;position:relative}.toc a::before{content:"";width:9px;height:9px;border-radius:50%;background:#e5e7eb;margin-left:-18px;margin-right:0;flex-shrink:0}.toc a.active{color:var(--primary);font-weight:700}.toc a.active::before{background:var(--primary)}.rank a{display:flex;align-items:center;gap:12px;padding:9px 0;font-size:14px;color:#4b5563;transition:.2s}.rank a:hover{color:var(--primary)}.rank .badge{width:26px;height:26px;border-radius:8px;color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;flex-shrink:0;transition:.2s}.rank a:hover .badge{transform:scale(1.15)}.badge-1{background:linear-gradient(135deg,#2f6bff,#22d3ee)}.badge-2{background:linear-gradient(135deg,#f59e0b,#fb923c)}.badge-3{background:linear-gradient(135deg,#f43f5e,#fb7185)}.badge-n{background:#cbd5e1}.tags{display:flex;flex-wrap:wrap;gap:9px}.tags a{font-size:12px;color:#475569;background:#f1f5f9;padding:6px 14px;border-radius:20px;border:1px solid transparent;transition:.2s}.tags a:hover{color:var(--primary);border-color:var(--primary);background:#fff}.tags a::before{content:"#";color:var(--primary)}
.dl-versions{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.dl-card{background:#fff;border-radius:18px;padding:30px;box-shadow:var(--shadow);border-top:4px solid var(--primary)}.dl-card .ver{font-size:13px;color:var(--muted);margin-bottom:6px}.dl-card h3{font-size:22px;margin-bottom:10px}.dl-card .size{font-size:14px;color:var(--muted);margin-bottom:16px}.dl-card ul{margin-bottom:22px}.dl-card ul li{padding:7px 0;font-size:14px;color:#4b5563;display:flex;align-items:center;gap:8px}.dl-card ul li::before{content:"✓";color:var(--primary2);font-weight:800}.dl-card .btn{width:100%}
.sys-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.sys-item{background:#f8fafc;border-radius:14px;padding:22px;text-align:center}.sys-item .si{font-size:28px;margin-bottom:10px}.sys-item b{display:block;font-size:15px;margin-bottom:4px;color:#0f172a}.sys-item span{font-size:13px;color:var(--muted)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.step{text-align:center;position:relative}.step .num{width:60px;height:60px;border-radius:50%;background:var(--grad);color:#fff;font-size:24px;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 18px;box-shadow:0 10px 26px rgba(47,107,255,.4)}.step h3{font-size:17px;margin-bottom:8px}.step p{font-size:13px;color:var(--muted)}
.sitemap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}.sitemap-grid h3{font-size:18px;margin-bottom:14px;color:#0f172a}.sitemap-grid ul li{padding:6px 0}.sitemap-grid a{color:#4b5563;font-size:14px}.sitemap-grid a:hover{color:var(--primary)}
.error-page{min-height:100vh;background:var(--dark);color:#fff;display:flex;align-items:center;justify-content:center;text-align:center}.error-page h1{font-size:120px;font-weight:900;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}.error-page p{font-size:18px;color:#cbd5e1;margin:20px 0 30px}
@media(max-width:992px){.nav-menu{position:fixed;top:70px;left:0;right:0;background:#0b1220;flex-direction:column;align-items:flex-start;padding:20px;gap:4px;transform:translateY(-140%);transition:.35s;max-height:calc(100vh - 70px);overflow-y:auto}.nav-menu.open{transform:translateY(0)}.nav-menu>li{width:100%}.nav-menu>li>a{color:#fff;padding:13px 14px}.dropdown{position:static;background:rgba(255,255,255,.05);box-shadow:none;opacity:1;visibility:visible;transform:none;display:none;margin:0 0 8px 12px}.dropdown.show{display:block}.dropdown a{color:#cbd5e1}.hamburger{display:flex}.nav-actions .btn-ghost{display:none}.hero-grid{grid-template-columns:1fr;gap:40px}.hero h1{font-size:38px}.feat-grid{grid-template-columns:repeat(2,1fr)}.scene-grid{grid-template-columns:repeat(2,1fr)}.price-grid,.testi-grid,.news-grid,.news-list-page .news-grid,.dl-versions{grid-template-columns:1fr}.sys-grid,.steps{grid-template-columns:repeat(2,1fr)}.news-detail{grid-template-columns:1fr}.sidebar{position:static}.footer-grid{grid-template-columns:1fr 1fr}.price-card.pop{transform:none}.sitemap-grid{grid-template-columns:1fr 1fr}}
@media(max-width:768px){.section{padding:60px 0}.sec-head h2{font-size:28px}.hero{padding:120px 0 70px}.hero h1{font-size:32px}.hero-stats{flex-wrap:wrap;gap:24px}.demo{padding:20px}.gauge{width:150px;height:150px}.gauge .gv b{font-size:30px}.feat-grid,.scene-grid,.sys-grid{grid-template-columns:1fr}.steps{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr}.cta h2{font-size:30px}}
@media(max-width:480px){.container{padding:0 16px}.hero h1{font-size:27px}.btn{padding:12px 22px;font-size:14px}.hero-cta{flex-direction:column}.steps{grid-template-columns:1fr}.demo-row{flex-direction:column}.gauge{width:130px;height:130px}.gauge .gv b{font-size:26px}.sitemap-grid{grid-template-columns:1fr}}