:root{--bg-primary:#050810;--bg-secondary:#0a0f1c;--bg-card:rgba(255,255,255,.03);--bg-hover:rgba(255,255,255,.06);--bg-glass:rgba(10,15,28,.7);--accent:#00d4ff;--accent2:#0066ff;--purple:#7c3aed;--text:#ffffff;--text2:#94a3b8;--text3:#64748b;--border:rgba(255,255,255,.08);--glow:rgba(0,212,255,.3);--grad:linear-gradient(135deg,#00d4ff,#0066ff);--font:'Segoe UI',system-ui,-apple-system,sans-serif;--tr:all .3s cubic-bezier(.4,0,.2,1)}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg-primary);color:var(--text);line-height:1.6;overflow-x:hidden;min-height:100vh}
body::before{content:'';position:fixed;inset:0;background:radial-gradient(ellipse at 20% 20%,rgba(0,102,255,.08),transparent 50%),radial-gradient(ellipse at 80% 80%,rgba(0,212,255,.05),transparent 50%),radial-gradient(ellipse at 50% 50%,rgba(124,58,237,.03),transparent 60%);pointer-events:none;z-index:0}
.lang-en,.lang-zh{display:none}
body[data-lang="en"] .lang-en,body[data-lang="zh"] .lang-zh{display:inline}
body[data-lang="en"] .lang-en.block,body[data-lang="zh"] .lang-zh.block{display:block}
body[data-lang="en"] .lang-en.flex,body[data-lang="zh"] .lang-zh.flex{display:flex}
body[data-lang="en"] .lang-en.grid,body[data-lang="zh"] .lang-zh.grid{display:grid}
h1,h2,h3,h4{font-weight:700;line-height:1.2}
a{color:var(--accent);text-decoration:none;transition:var(--tr)}
a:hover{color:var(--text)}
.container{max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:1}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:8px;font-weight:600;font-size:.95rem;cursor:pointer;transition:var(--tr);border:none;position:relative;overflow:hidden}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 4px 20px rgba(0,102,255,.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(0,212,255,.4);color:#fff}
.btn-outline{background:transparent;color:var(--text);border:1px solid var(--border)}
.btn-outline:hover{border-color:var(--accent);color:var(--accent);background:rgba(0,212,255,.05)}
.header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(5,8,16,.8);backdrop-filter:blur(20px);border-bottom:1px solid var(--border);transition:var(--tr)}
.header.scrolled{background:rgba(5,8,16,.95);box-shadow:0 4px 30px rgba(0,0,0,.3)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{font-size:1.3rem;font-weight:800;background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:-.5px}
.logo span{font-size:.75rem;font-weight:400;opacity:.7;-webkit-text-fill-color:var(--text2);display:block;letter-spacing:.5px;margin-top:-2px}
.nav-links{display:flex;align-items:center;gap:32px;list-style:none}
.nav-links a{color:var(--text2);font-size:.9rem;font-weight:500;position:relative;padding:4px 0}
.nav-links a::after{content:'';position:absolute;bottom:-2px;left:0;width:0;height:2px;background:var(--grad);transition:var(--tr)}
.nav-links a:hover,.nav-links a.active{color:var(--text)}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.lang-switcher{display:flex;align-items:center;gap:4px;padding:6px 12px;border-radius:20px;background:var(--bg-card);border:1px solid var(--border);cursor:pointer;font-size:.8rem;font-weight:600;color:var(--text2);transition:var(--tr)}
.lang-switcher:hover{border-color:var(--glow);color:var(--text)}
.lang-switcher .lang-btn{padding:2px 8px;border-radius:12px;transition:var(--tr)}
.lang-switcher .lang-btn.active{background:var(--grad);color:#fff}
.mobile-menu-btn{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.mobile-menu-btn span{display:block;width:24px;height:2px;background:var(--text);transition:var(--tr)}
.hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:120px 24px 80px;overflow:hidden}
.hero-bg{position:absolute;inset:0;background:linear-gradient(135deg,#050810 0%,#0a1628 50%,#0d1b2a 100%);z-index:0}
.hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(0,212,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(0,212,255,.03) 1px,transparent 1px);background-size:60px 60px;-webkit-mask-image:radial-gradient(ellipse at center,black 30%,transparent 70%);mask-image:radial-gradient(ellipse at center,black 30%,transparent 70%)}
.hero-glow{position:absolute;width:500px;height:500px;border-radius:50%;background:radial-gradient(circle,rgba(0,212,255,.15),transparent 70%);top:50%;left:50%;transform:translate(-50%,-50%);animation:pg 6s ease-in-out infinite}
@keyframes pg{0%,100%{opacity:.5;transform:translate(-50%,-50%) scale(1)}50%{opacity:1;transform:translate(-50%,-50%) scale(1.1)}}
.hero-content{position:relative;z-index:2;max-width:800px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 20px;background:var(--bg-card);border:1px solid var(--border);border-radius:50px;font-size:.85rem;color:var(--accent);margin-bottom:32px}
.hero-badge .dot{width:8px;height:8px;background:#10b981;border-radius:50%;animation:pd 2s infinite}
@keyframes pd{0%,100%{opacity:1}50%{opacity:.4}}
.hero h1{font-size:clamp(2.5rem,6vw,4.5rem);margin-bottom:24px;line-height:1.1}
.hero h1 .gt{background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero p{font-size:clamp(1rem,2.5vw,1.25rem);color:var(--text2);max-width:600px;margin:0 auto 40px}
.hero-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.section{position:relative;padding:100px 0;z-index:1}
.section-header{text-align:center;max-width:700px;margin:0 auto 64px}
.section-tag{display:inline-block;padding:6px 16px;background:rgba(0,212,255,.1);border:1px solid rgba(0,212,255,.2);border-radius:50px;color:var(--accent);font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:1px;margin-bottom:16px}
.section-header h2{font-size:clamp(2rem,4vw,3rem);margin-bottom:16px}
.section-header p{color:var(--text2);font-size:1.1rem}
.card{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;padding:40px;transition:var(--tr);position:relative;overflow:hidden}
.card::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad);opacity:0;transition:var(--tr)}
.card:hover{background:var(--bg-hover);border-color:var(--glow);transform:translateY(-4px);box-shadow:0 20px 40px rgba(0,0,0,.3)}
.card:hover::before{opacity:1}
.card-icon{width:56px;height:56px;border-radius:12px;background:var(--grad);display:flex;align-items:center;justify-content:center;margin-bottom:24px;font-size:1.5rem}
.card h3{font-size:1.25rem;margin-bottom:12px}
.card p{color:var(--text2);font-size:.95rem}
.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(400px,1fr));gap:32px}
.grid-4{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:24px}
.features-section{background:var(--bg-secondary)}
.feature-card .card-icon{background:linear-gradient(135deg,rgba(0,212,255,.15),rgba(0,102,255,.15));border:1px solid var(--glow);color:var(--accent)}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:24px}
.stat-item{text-align:center;padding:40px 20px;background:var(--bg-card);border:1px solid var(--border);border-radius:16px;transition:var(--tr)}
.stat-item:hover{border-color:var(--glow);background:var(--bg-hover)}
.stat-number{font-size:2.5rem;font-weight:800;background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;display:block;margin-bottom:8px}
.stat-label{color:var(--text2);font-size:.9rem}
.about-hero{padding-top:140px;padding-bottom:60px}
.about-content h3{font-size:1.5rem;margin-bottom:16px;color:var(--accent)}
.about-content p{color:var(--text2);margin-bottom:16px}
.industry-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;margin-top:32px}
.industry-card{padding:28px;background:var(--bg-card);border:1px solid var(--border);border-radius:12px;transition:var(--tr)}
.industry-card:hover{border-color:var(--glow);transform:translateY(-2px)}
.industry-card h4{font-size:1rem;margin-bottom:8px;color:var(--text)}
.industry-card p{font-size:.85rem;color:var(--text3)}
.values-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:24px}
.value-card{padding:32px;background:var(--bg-card);border:1px solid var(--border);border-radius:16px;text-align:center;transition:var(--tr)}
.value-card:hover{border-color:var(--glow);transform:translateY(-4px)}
.value-card .value-icon{width:64px;height:64px;border-radius:50%;background:rgba(0,212,255,.1);border:1px solid var(--glow);display:flex;align-items:center;justify-content:center;margin:0 auto 20px;font-size:1.5rem}
.team-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.team-card{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;padding:40px 32px;text-align:center;transition:var(--tr)}
.team-card:hover{border-color:var(--glow);transform:translateY(-4px)}
.team-avatar{width:80px;height:80px;border-radius:50%;background:var(--grad);display:flex;align-items:center;justify-content:center;margin:0 auto 24px;font-size:2rem;font-weight:700;color:#fff}
.team-card h3{font-size:1.2rem;margin-bottom:8px}
.team-card .team-role{color:var(--accent);font-size:.85rem;font-weight:600;margin-bottom:16px}
.team-card p{color:var(--text2);font-size:.9rem}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.contact-info-item{display:flex;gap:20px;padding:28px;background:var(--bg-card);border:1px solid var(--border);border-radius:16px;margin-bottom:20px;transition:var(--tr)}
.contact-info-item:hover{border-color:var(--glow)}
.contact-info-icon{width:52px;height:52px;border-radius:12px;background:rgba(0,212,255,.1);border:1px solid var(--glow);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:1.25rem}
.contact-info-text h4{font-size:1rem;margin-bottom:4px}
.contact-info-text p{color:var(--text2);font-size:.9rem}
.contact-form{background:var(--bg-card);border:1px solid var(--border);border-radius:16px;padding:40px}
.form-group{margin-bottom:24px}
.form-group label{display:block;font-size:.85rem;font-weight:600;margin-bottom:8px;color:var(--text2)}
.form-group input,.form-group textarea,.form-group select{width:100%;padding:14px 18px;background:rgba(255,255,255,.03);border:1px solid var(--border);border-radius:10px;color:var(--text);font-family:inherit;font-size:.95rem;transition:var(--tr)}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{outline:none;border-color:var(--accent);background:rgba(0,212,255,.03)}
.form-group input::placeholder,.form-group textarea::placeholder{color:var(--text3)}
.form-group textarea{resize:vertical;min-height:120px}
.legal-content{max-width:900px;margin:0 auto;padding:140px 24px 80px}
.legal-content h1{font-size:2.5rem;margin-bottom:16px}
.legal-content .last-updated{color:var(--text3);font-size:.85rem;margin-bottom:48px;padding-bottom:24px;border-bottom:1px solid var(--border)}
.legal-content h2{font-size:1.35rem;margin:40px 0 16px;color:var(--accent)}
.legal-content h3{font-size:1.1rem;margin:24px 0 12px;color:var(--text)}
.legal-content p,.legal-content li{color:var(--text2);margin-bottom:12px;line-height:1.7}
.legal-content ul{padding-left:24px;margin-bottom:16px}
.legal-content a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
.footer{background:var(--bg-secondary);border-top:1px solid var(--border);padding:64px 0 32px;position:relative;z-index:1}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;margin-bottom:48px}
.footer-brand .logo{margin-bottom:16px;display:inline-block}
.footer-brand p{color:var(--text3);font-size:.9rem;line-height:1.6}
.footer-links h4{font-size:.9rem;margin-bottom:20px;color:var(--text)}
.footer-links ul{list-style:none}
.footer-links li{margin-bottom:10px}
.footer-links a{color:var(--text3);font-size:.85rem;transition:var(--tr)}
.footer-links a:hover{color:var(--accent)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:24px;border-top:1px solid var(--border);flex-wrap:wrap;gap:16px}
.footer-bottom p{color:var(--text3);font-size:.8rem}
.footer-bottom .legal-links{display:flex;gap:24px}
.footer-bottom .legal-links a{color:var(--text3);font-size:.8rem}
.cta-section{position:relative;padding:100px 0;text-align:center;overflow:hidden}
.cta-section::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at center,rgba(0,102,255,.1),transparent 70%);z-index:0}
.cta-box{position:relative;z-index:1;max-width:700px;margin:0 auto;padding:60px 40px;background:var(--bg-card);border:1px solid var(--border);border-radius:24px}
.cta-box h2{font-size:2.2rem;margin-bottom:16px}
.cta-box p{color:var(--text2);margin-bottom:32px;font-size:1.05rem}
.page-header{padding-top:140px;padding-bottom:60px;text-align:center;position:relative}
.page-header h1{font-size:clamp(2rem,5vw,3.5rem);margin-bottom:16px}
.page-header p{color:var(--text2);font-size:1.1rem;max-width:600px;margin:0 auto}
.reveal{opacity:0;transform:translateY(30px);transition:opacity .6s ease,transform .6s ease}
.reveal.active{opacity:1;transform:translateY(0)}
.mobile-nav{display:none;position:fixed;top:72px;left:0;right:0;bottom:0;background:rgba(5,8,16,.98);backdrop-filter:blur(20px);z-index:999;padding:40px 24px;flex-direction:column;gap:8px}
.mobile-nav.active{display:flex}
.mobile-nav a{padding:16px;color:var(--text2);font-size:1.1rem;font-weight:500;border-radius:12px;transition:var(--tr)}
.mobile-nav a:hover,.mobile-nav a.active{background:var(--bg-card);color:var(--text)}
@media(max-width:1024px){.footer-grid{grid-template-columns:1fr 1fr}.contact-grid{grid-template-columns:1fr}}
@media(max-width:768px){.nav-links{display:none}.mobile-menu-btn{display:flex}.hero h1{font-size:2.2rem}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr;gap:32px}.footer-bottom{flex-direction:column;text-align:center}.contact-grid{grid-template-columns:1fr}.legal-content{padding-top:120px}.cta-box{padding:40px 24px}.page-header{padding-top:120px}}
@media(max-width:480px){.hero{padding:100px 16px 60px}.section{padding:60px 0}.container{padding:0 16px}.btn{padding:12px 24px;font-size:.85rem}}