:root{--bg-0:#05070d;--bg-1:#0a0e1a;--bg-2:#0f1525;--bg-3:#161e33;--line:#ffffff14;--line-strong:#ffffff24;--text-0:#fff;--text-1:#e6ecf5;--text-2:#9aa6b9;--text-3:#6b7589;--brand:#00d4ff;--brand-2:#06f;--brand-3:#7c3aed;--accent:#00ffa3;--gradient-brand:linear-gradient(135deg, #00d4ff 0%, #06f 100%);--gradient-text:linear-gradient(135deg, #fff 0%, #9ad8ff 60%, #00d4ff 100%);--max-w:1240px;--radius:16px;--radius-sm:10px;--radius-lg:24px;--font-sans:"Inter", "Noto Sans SC", system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;--font-mono:"JetBrains Mono", "SF Mono", Menlo, monospace}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{font-family:var(--font-sans);background:var(--bg-0);color:var(--text-1);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px;font-weight:400;line-height:1.6;overflow-x:hidden}a{color:inherit;text-decoration:none;transition:color .2s}button{cursor:pointer;color:inherit;background:0 0;border:none;font-family:inherit}img{max-width:100%;display:block}.bg-grid{z-index:0;pointer-events:none;background-image:linear-gradient(#ffffff06 1px,#0000 1px),linear-gradient(90deg,#ffffff06 1px,#0000 1px);background-size:64px 64px;position:fixed;inset:0;-webkit-mask-image:radial-gradient(80% 50% at 50% 0,#000 0%,#0000 70%);mask-image:radial-gradient(80% 50% at 50% 0,#000 0%,#0000 70%)}.bg-glow{z-index:0;pointer-events:none;background:radial-gradient(60% 40% at 20% 0,#0066ff2e 0%,#0000 60%),radial-gradient(50% 35% at 80% 10%,#00d4ff1f 0%,#0000 60%);position:fixed;inset:0}.container{width:100%;max-width:var(--max-w);z-index:1;margin:0 auto;padding:0 28px;position:relative}.nav{z-index:100;-webkit-backdrop-filter:blur(12px);background:#05070d80;padding:18px 0;transition:all .3s;position:fixed;top:0;left:0;right:0}.nav.scrolled{-webkit-backdrop-filter:blur(20px)saturate(180%);border-bottom:1px solid var(--line);background:#05070dd9;padding:12px 0}.lang-dropdown{position:relative}.lang-toggle{color:var(--text-2);border-radius:8px;align-items:center;gap:4px;padding:8px 10px;transition:all .2s;display:inline-flex}.lang-toggle:hover{color:var(--text-0);background:#ffffff0a}.lang-toggle svg:first-child{width:18px;height:18px}.lang-menu{-webkit-backdrop-filter:blur(20px);border:1px solid var(--line);border-radius:var(--radius-sm);z-index:200;background:#0f1525f5;min-width:200px;padding:6px;animation:.15s fadeIn;position:absolute;top:calc(100% + 8px);right:0;box-shadow:0 16px 48px #00000080}.lang-option{width:100%;color:var(--text-2);border-radius:7px;justify-content:space-between;align-items:center;padding:10px 14px;font-size:14px;transition:all .15s;display:flex}.lang-option:hover{color:var(--text-0);background:#ffffff0a}.lang-option.active{color:var(--text-0);background:#ffffff0f;font-weight:500}.lang-option.active svg{color:var(--brand)}@keyframes fadeIn{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.nav-inner{justify-content:space-between;align-items:center;gap:32px;display:flex}.brand{letter-spacing:.02em;color:var(--text-0);align-items:center;gap:12px;font-size:18px;font-weight:700;display:flex}.brand-mark{background:linear-gradient(135deg, var(--brand) 0%, var(--brand-2) 100%);color:#001020;border-radius:10px;place-items:center;width:38px;height:38px;font-size:18px;font-weight:800;display:grid;box-shadow:0 0 24px #00d4ff59}.brand-text{flex-direction:column;line-height:1.1;display:flex}.brand-text-cn{font-size:16px;font-weight:700}.brand-text-en{color:var(--text-2);letter-spacing:.18em;text-transform:uppercase;margin-top:2px;font-size:10px;font-weight:500}.nav-menu{align-items:center;gap:4px;list-style:none;display:flex}.nav-link{color:var(--text-2);border-radius:8px;padding:8px 16px;font-size:14px;font-weight:500;transition:all .2s}.nav-link:hover{color:var(--text-0);background:#ffffff0a}.nav-cta{background:var(--text-0);color:var(--bg-0);border-radius:999px;align-items:center;gap:8px;padding:10px 20px;font-size:13px;font-weight:600;transition:all .2s;display:inline-flex}.nav-cta:hover{background:var(--brand);color:var(--bg-0);transform:translateY(-1px);box-shadow:0 8px 24px #00d4ff4d}.nav-toggle{background:#ffffff0a;border-radius:8px;justify-content:center;align-items:center;width:40px;height:40px;display:none}.nav-toggle span{background:var(--text-0);width:20px;height:2px;transition:background .2s;display:block;position:relative}.nav-toggle span:before,.nav-toggle span:after{content:"";background:var(--text-0);width:20px;height:2px;transition:transform .2s;position:absolute;left:0}.nav-toggle span:before{top:-6px}.nav-toggle span:after{top:6px}.nav-toggle.open span{background:0 0}.nav-toggle.open span:before{transform:translateY(6px)rotate(45deg)}.nav-toggle.open span:after{transform:translateY(-6px)rotate(-45deg)}.nav-mobile-overlay{-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--line);background:#05070df2;flex-direction:column;padding:20px;display:none;position:absolute;top:100%;left:0;right:0}.nav-mobile-overlay.open{display:flex}.nav-mobile-overlay .nav-link{padding:12px 16px;font-size:15px}.btn{letter-spacing:.01em;cursor:pointer;white-space:nowrap;border-radius:999px;align-items:center;gap:8px;padding:14px 26px;font-size:14px;font-weight:600;transition:all .25s cubic-bezier(.4,0,.2,1);display:inline-flex}.btn-primary{background:var(--text-0);color:var(--bg-0);border:1px solid var(--text-0)}.btn-primary:hover{background:var(--brand);border-color:var(--brand);color:var(--bg-0);transform:translateY(-2px);box-shadow:0 12px 32px #00d4ff59}.btn-ghost{color:var(--text-0);border:1px solid var(--line-strong);background:#ffffff0a}.btn-ghost:hover{background:#ffffff14;border-color:#ffffff3d;transform:translateY(-2px)}.btn-icon{flex-shrink:0;width:16px;height:16px}.hero{align-items:center;min-height:100vh;padding:140px 0 80px;display:flex;position:relative;overflow:hidden}.hero-bg{z-index:-1;position:absolute;inset:0}.hero-bg img{object-fit:cover;opacity:.55;filter:contrast(1.1)saturate(1.1);width:100%;height:100%}.hero-bg:after{content:"";background:linear-gradient(#05070d66 0%,#05070d99 50%,#05070df2 100%),linear-gradient(90deg,#05070dd9 0%,#05070d4d 60%,#05070d1a 100%);position:absolute;inset:0}.hero-eyebrow{color:var(--brand);letter-spacing:.04em;background:#00d4ff14;border:1px solid #00d4ff33;border-radius:999px;align-items:center;gap:10px;margin-bottom:28px;padding:6px 14px 6px 6px;font-size:12px;font-weight:500;display:inline-flex}.hero-eyebrow-dot{background:var(--gradient-brand);width:22px;height:22px;color:var(--bg-0);border-radius:50%;place-items:center;font-size:11px;font-weight:700;display:grid}.hero h1{letter-spacing:-.025em;color:var(--text-0);max-width:920px;margin-bottom:24px;font-size:clamp(40px,6vw,76px);font-weight:800;line-height:1.05}.gradient-text{background:var(--gradient-text);-webkit-text-fill-color:transparent;color:#0000;-webkit-background-clip:text;background-clip:text}.hero-sub{color:var(--text-2);max-width:640px;margin-bottom:44px;font-size:clamp(16px,1.5vw,19px);line-height:1.65}.hero-cta{flex-wrap:wrap;gap:14px;margin-bottom:80px;display:flex}.hero-stats{background:var(--line);border:1px solid var(--line);border-radius:var(--radius);grid-template-columns:repeat(4,1fr);gap:1px;max-width:880px;display:grid;overflow:hidden}.hero-stat{text-align:left;background:#0f152599;padding:28px 24px;position:relative}.hero-stat-num{font-family:var(--font-mono);background:var(--gradient-brand);-webkit-text-fill-color:transparent;color:#0000;-webkit-background-clip:text;background-clip:text;align-items:baseline;gap:4px;margin-bottom:8px;font-size:32px;font-weight:600;line-height:1;display:flex}.hero-stat-num-suffix{color:var(--brand);-webkit-text-fill-color:var(--brand);font-size:18px}.hero-stat-label{color:var(--text-2);letter-spacing:.04em;font-size:13px}.section{padding:120px 0;position:relative}.section-head{max-width:720px;margin-bottom:64px}.section-tag{color:var(--brand);letter-spacing:.2em;text-transform:uppercase;align-items:center;gap:8px;margin-bottom:20px;font-size:12px;font-weight:600;display:inline-flex}.section-tag:before{content:"";background:var(--brand);width:24px;height:1px}.section h2{letter-spacing:-.02em;color:var(--text-0);margin-bottom:18px;font-size:clamp(32px,4vw,48px);font-weight:700;line-height:1.15}.section-desc{color:var(--text-2);font-size:17px;line-height:1.65}.feature-grid{background:var(--line);border:1px solid var(--line);border-radius:var(--radius);grid-template-columns:repeat(4,1fr);gap:1px;display:grid;overflow:hidden}.feature{background:var(--bg-1);padding:36px 28px;transition:background .3s;position:relative}.feature:hover{background:var(--bg-2)}.feature:hover .feature-icon{border-color:var(--brand);transform:scale(1.05)}.feature-icon{width:48px;height:48px;color:var(--brand);background:#00d4ff14;border:1px solid #00d4ff2e;border-radius:12px;place-items:center;margin-bottom:20px;transition:all .3s;display:grid}.feature-icon svg{width:22px;height:22px}.feature h3{color:var(--text-0);margin-bottom:8px;font-size:16px;font-weight:600}.feature p{color:var(--text-2);font-size:13.5px;line-height:1.6}.product-tabs{background:var(--bg-2);border:1px solid var(--line);border-radius:999px;gap:8px;width:fit-content;margin-bottom:48px;padding:6px;display:flex}.product-tab{color:var(--text-2);border-radius:999px;padding:10px 22px;font-size:14px;font-weight:500;transition:all .25s}.product-tab:hover{color:var(--text-0)}.product-tab.active{background:var(--text-0);color:var(--bg-0);font-weight:600}.product-grid{grid-template-columns:repeat(3,1fr);gap:20px;display:grid}.product-grid-2{grid-template-columns:repeat(2,1fr);max-width:880px;margin-left:auto;margin-right:auto}.product{background:var(--bg-1);border:1px solid var(--line);border-radius:var(--radius);flex-direction:column;transition:all .3s;display:flex;position:relative;overflow:hidden}.product:hover{border-color:#00d4ff4d;transform:translateY(-4px);box-shadow:0 20px 60px #0006,0 0 0 1px #00d4ff33}.product-image{aspect-ratio:4/3;background:linear-gradient(135deg, var(--bg-2), var(--bg-3));color:var(--text-3);place-items:center;font-size:14px;display:grid;position:relative;overflow:hidden}.product-image img{object-fit:cover;width:100%;height:100%;transition:transform .6s cubic-bezier(.4,0,.2,1)}.product:hover .product-image img{transform:scale(1.05)}.product-image-placeholder{background:linear-gradient(135deg, var(--bg-2), var(--bg-3));width:100%;height:100%;font-family:var(--font-mono);color:var(--text-3);letter-spacing:.08em;place-items:center;font-size:13px;display:grid}.product-badge{-webkit-backdrop-filter:blur(12px);border:1px solid var(--line-strong);color:var(--text-1);letter-spacing:.05em;z-index:2;background:#05070db3;border-radius:999px;padding:5px 12px;font-size:11px;font-weight:500;position:absolute;top:16px;left:16px}.product-badge.hot{color:var(--brand);background:#00d4ff26;border-color:#00d4ff66}.product-body{flex-direction:column;flex:1;padding:24px;display:flex}.product-cat{font-family:var(--font-mono);color:var(--brand);letter-spacing:.12em;text-transform:uppercase;margin-bottom:10px;font-size:11px}.product h3{color:var(--text-0);margin-bottom:8px;font-size:19px;font-weight:600;line-height:1.3}.product-desc{color:var(--text-2);flex:1;margin-bottom:20px;font-size:13.5px;line-height:1.6}.product-feats{flex-wrap:wrap;gap:6px;margin-bottom:20px;display:flex}.product-feat{border:1px solid var(--line);color:var(--text-1);background:#ffffff0a;border-radius:6px;padding:4px 10px;font-size:11px}.product-cta{color:var(--text-0);border-top:1px solid var(--line);align-items:center;gap:6px;padding-top:16px;font-size:13px;font-weight:500;display:inline-flex}.product-cta svg{width:14px;height:14px;transition:transform .2s}.product:hover .product-cta svg{transform:translate(4px)}.accent{color:var(--brand)}.platform{grid-template-columns:1.1fr 1fr;align-items:center;gap:80px;display:grid}.platform-list{flex-direction:column;gap:24px;display:flex}.platform-item{background:var(--bg-1);border:1px solid var(--line);border-radius:var(--radius);gap:20px;padding:24px;transition:all .3s;display:flex}.platform-item:hover{background:var(--bg-2);border-color:#00d4ff4d}.platform-num{font-family:var(--font-mono);color:var(--brand);background:#00d4ff1a;border:1px solid #00d4ff40;border-radius:8px;flex-shrink:0;place-items:center;width:32px;height:32px;font-size:14px;font-weight:600;display:grid}.platform-content h3{color:var(--text-0);margin-bottom:6px;font-size:17px;font-weight:600}.platform-content p{color:var(--text-2);font-size:14px;line-height:1.6}.platform-visual{aspect-ratio:1;background:var(--bg-1);border:1px solid var(--line);border-radius:var(--radius-lg);place-items:center;padding:40px;display:grid;position:relative;overflow:hidden}.platform-orbit{width:100%;max-width:420px;height:100%;max-height:420px;position:relative}.orbit-ring{border:1px dashed #00d4ff33;border-radius:50%;animation:40s linear infinite spin;position:absolute;inset:0}.orbit-ring:nth-child(2){border-color:#0066ff40;animation-duration:30s;animation-direction:reverse;inset:12%}.orbit-ring:nth-child(3){border-color:#00d4ff4d;animation-duration:20s;inset:24%}.orbit-core{background:var(--gradient-brand);width:80px;height:80px;color:var(--bg-0);letter-spacing:.05em;text-align:center;border-radius:50%;place-items:center;font-size:12px;font-weight:700;line-height:1.3;display:grid;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);box-shadow:0 0 40px #00d4ff80}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.about{grid-template-columns:1fr 1fr;align-items:start;gap:80px;display:grid}.about-text p{color:var(--text-1);margin-bottom:20px;font-size:16px;line-height:1.75}.about-text .highlight{color:var(--text-0);font-weight:500}.about-meta{background:var(--line);border:1px solid var(--line);border-radius:var(--radius);grid-template-columns:repeat(2,1fr);gap:1px;display:grid;overflow:hidden}.about-meta-item{background:var(--bg-1);padding:28px 24px}.about-meta-label{color:var(--text-3);letter-spacing:.12em;text-transform:uppercase;margin-bottom:8px;font-size:12px}.about-meta-value{color:var(--text-0);white-space:pre-line;font-size:15px;font-weight:500;line-height:1.5}.contact-section{background:linear-gradient(180deg, var(--bg-0) 0%, var(--bg-1) 100%);border-top:1px solid var(--line)}.contact-grid{grid-template-columns:1.1fr 1fr;align-items:start;gap:60px;display:grid}.contact-cards{flex-direction:column;gap:16px;display:flex}.contact-card{background:var(--bg-1);border:1px solid var(--line);border-radius:var(--radius);cursor:default;align-items:center;gap:20px;padding:24px;transition:all .3s;display:flex}a.contact-card:hover{border-color:#00d4ff4d;transform:translate(4px)}.contact-icon{width:48px;height:48px;color:var(--brand);background:#00d4ff1a;border:1px solid #00d4ff33;border-radius:12px;flex-shrink:0;place-items:center;display:grid}.contact-icon svg{width:22px;height:22px}.contact-content{flex:1;min-width:0}.contact-label{color:var(--text-3);letter-spacing:.12em;text-transform:uppercase;margin-bottom:4px;font-size:12px}.contact-value{color:var(--text-0);word-break:break-all;font-size:15px;font-weight:500}.contact-form{background:var(--bg-1);border:1px solid var(--line);border-radius:var(--radius);padding:36px}.contact-form h3{color:var(--text-0);margin-bottom:8px;font-size:20px;font-weight:600}.contact-form>p{color:var(--text-2);margin-bottom:24px;font-size:14px}.form-group{margin-bottom:18px}.form-row{grid-template-columns:1fr 1fr;gap:14px;display:grid}.form-group label{color:var(--text-2);letter-spacing:.04em;margin-bottom:6px;font-size:12px;font-weight:500;display:block}.form-group input,.form-group textarea,.form-group select{background:var(--bg-2);border:1px solid var(--line);width:100%;color:var(--text-0);resize:vertical;border-radius:10px;padding:12px 14px;font-family:inherit;font-size:14px;transition:all .2s}.form-group input:focus,.form-group textarea:focus,.form-group select:focus{border-color:var(--brand);background:var(--bg-3);outline:none;box-shadow:0 0 0 3px #00d4ff1a}.form-group textarea{min-height:100px}.form-submit{justify-content:center;width:100%;margin-top:8px}.form-success{color:var(--accent);background:#00ffa314;border:1px solid #00ffa34d;border-radius:10px;align-items:center;gap:8px;margin-top:16px;padding:12px 16px;font-size:13px;display:none}.form-success.show{display:flex}.footer{background:var(--bg-1);border-top:1px solid var(--line);z-index:1;padding:64px 0 32px;position:relative}.footer-top{border-bottom:1px solid var(--line);grid-template-columns:1.5fr 1fr 1fr 1fr;gap:48px;margin-bottom:48px;padding-bottom:48px;display:grid}.footer-brand p{color:var(--text-2);max-width:360px;margin-top:20px;font-size:14px;line-height:1.65}.footer-col h4{color:var(--text-0);letter-spacing:.05em;margin-bottom:18px;font-size:13px;font-weight:600}.footer-col ul{flex-direction:column;gap:10px;list-style:none;display:flex}.footer-col a{color:var(--text-2);font-size:14px;transition:color .2s}.footer-col a:hover{color:var(--text-0)}.footer-bottom{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;display:flex}.footer-bottom-copy{color:var(--text-3);font-size:13px}.footer-bottom-meta{color:var(--text-3);gap:24px;font-size:13px;display:flex}.footer-bottom-meta span{align-items:center;gap:6px;display:flex}.footer-dot{background:var(--accent);width:6px;height:6px;box-shadow:0 0 8px var(--accent);border-radius:50%}.reveal{opacity:0;transition:opacity .8s,transform .8s;transform:translateY(20px)}.reveal.visible{opacity:1;transform:translateY(0)}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:var(--bg-0)}::-webkit-scrollbar-thumb{background:var(--bg-3);border:2px solid var(--bg-0);border-radius:5px}::-webkit-scrollbar-thumb:hover{background:#1f2a44}@media (width<=1024px){.section{padding:90px 0}.hero{padding:120px 0 60px}.nav-menu{display:none}.nav-toggle{display:flex}.nav-cta{display:none}.feature-grid,.product-grid{grid-template-columns:repeat(2,1fr)}.product-grid-2{grid-template-columns:1fr}.platform,.about,.contact-grid{grid-template-columns:1fr;gap:48px}.footer-top{grid-template-columns:1fr 1fr;gap:32px}}@media (width<=640px){.container{padding:0 20px}.section{padding:70px 0}.hero{min-height:auto;padding:110px 0 50px}.hero-stats{grid-template-columns:repeat(2,1fr)}.hero-stat{padding:22px 18px}.hero-stat-num{font-size:26px}.feature-grid,.product-grid,.form-row{grid-template-columns:1fr}.contact-form{padding:28px 24px}.footer-top,.about-meta{grid-template-columns:1fr}.product-tabs{scrollbar-width:none;width:100%;overflow-x:auto}.product-tabs::-webkit-scrollbar{display:none}}
