*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}:root{--bg: #0f1117;--bg-alt: #161822;--surface: #1e2030;--border: #2a2d3e;--text: #e0e0e6;--text-muted: #8e91a4;--accent: #4f8cff;--accent-hover: #6aa0ff;--accent-glow: rgba(79, 140, 255, .15);--success: #34d399;--radius: 10px;--font: "Inter", "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif}html{scroll-behavior:smooth}body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.65;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-hover)}img{max-width:100%;display:block}.container{max-width:1120px;margin:0 auto;padding:0 24px}.section{padding:80px 0}.section-alt{background:var(--bg-alt)}.section-sub{color:var(--text-muted);max-width:640px;margin:8px auto 40px;text-align:center}h2{text-align:center;font-size:2rem;margin-bottom:12px}h3{font-size:1.25rem;margin-bottom:8px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}.grid-3{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:28px}.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:#0f1117d9;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}.nav-inner{max-width:1120px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;height:60px}.logo{display:flex;align-items:center;gap:8px;font-weight:700;font-size:1.1rem}.logo-icon{width:32px;height:32px;border-radius:50%}.logo-sub{display:block;font-weight:400;color:var(--text-muted);font-size:.65rem;letter-spacing:.03em}.nav-links{display:flex;gap:24px;align-items:center}.nav-links a{color:var(--text-muted);font-size:.9rem;transition:color .2s}.nav-links a:hover{color:var(--text)}.lang-btn{background:var(--surface);padding:4px 14px;border-radius:6px;border:1px solid var(--border);font-size:.85rem;margin-left:4px}.lang-btn:hover{background:var(--border)}.lang-btn.lang-active{background:var(--teal);color:#fff;border-color:var(--teal);pointer-events:none}.mobile-menu{display:none;background:none;border:none;color:var(--text);font-size:1.5rem;cursor:pointer}.hero{padding:160px 24px 100px;text-align:center;background:linear-gradient(180deg,var(--bg) 0%,var(--bg-alt) 100%)}.hero-inner{max-width:740px;margin:0 auto}.hero h1{font-size:3rem;font-weight:800;line-height:1.2;margin-bottom:20px}.hero-sub{color:var(--text-muted);font-size:1.15rem;line-height:1.7;margin-bottom:32px}.hero-cta{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}.hero-trust{margin-top:28px;font-size:.8rem;color:var(--text-muted)}.btn{display:inline-block;padding:12px 28px;border-radius:8px;font-weight:600;font-size:.95rem;transition:all .2s;cursor:pointer;border:none;text-align:center}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover);color:#fff;transform:translateY(-1px)}.btn-secondary{background:var(--surface);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background:var(--border);color:var(--text)}.btn-outline{background:transparent;color:var(--accent);border:1px solid var(--accent)}.btn-outline:hover{background:var(--accent-glow)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:32px 24px;text-align:center;transition:border-color .2s,transform .2s}.card:hover{border-color:var(--accent);transform:translateY(-3px)}.card-icon{font-size:2rem;margin-bottom:16px}.card p{color:var(--text-muted);font-size:.92rem}.tier-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:36px 28px;text-align:center;transition:border-color .2s,transform 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.btn{margin-top:auto}.demo-frame{position:relative;width:100%;padding-top:56.25%;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);margin:20px 0}.demo-frame iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:none}.demo-note{text-align:center;color:var(--text-muted);font-size:.85rem}.showcase-hero-grid{display:grid;grid-template-columns:1fr;gap:28px;margin:28px 0 40px}@media(min-width:900px){.showcase-hero-grid{grid-template-columns:repeat(3,1fr)}}.showcase-hero-card{border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);background:var(--surface);transition:transform .2s,box-shadow .2s;position:relative}.showcase-hero-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px #00000040}.showcase-hero-card .img-wrap{overflow:hidden;position:relative}.showcase-hero-card img{width:100%;display:block}.showcase-hero-card{cursor:pointer}.showcase-live-badge{position:absolute;top:12px;right:12px;background:#1e40afd9;color:#fff;font-size:.68rem;font-weight:600;padding:4px 10px;border-radius:20px;display:flex;align-items:center;gap:5px;z-index:2;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);letter-spacing:.03em;text-transform:uppercase}.showcase-live-dot{width:6px;height:6px;border-radius:50%;background:#22c55e;animation:pulse-dot 1.8s ease-in-out infinite}@keyframes pulse-dot{0%,to{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.7)}}.showcase-hero-card{opacity:0;transform:translateY(32px);transition:opacity .7s ease-out,transform .7s ease-out}.showcase-hero-card.revealed{opacity:1;transform:translateY(0)}.showcase-hero-card:nth-child(2){transition-delay:.15s}.showcase-hero-card:nth-child(3){transition-delay:.3s}.showcase-hero-label{padding:18px 22px}.showcase-hero-label h3{margin:0 0 6px;color:var(--accent);font-size:1.15rem}.showcase-hero-label p{margin:0;color:var(--text-muted);font-size:.9rem;line-height:1.5}.showcase-grid-title{text-align:center;color:var(--text-muted);font-size:1rem;margin:36px 0 16px;font-weight:600;text-transform:uppercase;letter-spacing:.04em}.showcase-thumb-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-bottom:20px}.showcase-thumb{border-radius:6px;overflow:hidden;border:1px solid var(--border);background:var(--surface);text-align:center;transition:transform .15s,box-shadow .15s}.showcase-thumb:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0003}.showcase-thumb img{width:100%;display:block}.showcase-thumb span{display:block;padding:6px 4px;font-size:.72rem;color:var(--text-muted);font-weight:500}.showcase-lightbox{display:none;position:fixed;top:0;right:0;bottom:0;left:0;z-index:9999;background:#000000e0;align-items:center;justify-content:center;padding:24px}.showcase-lightbox.active{display:flex}.showcase-lightbox img{max-width:95vw;max-height:90vh;border-radius:8px;box-shadow:0 8px 32px #00000080}.lightbox-close{position:absolute;top:16px;right:24px;background:none;border:none;color:#fff;font-size:2.4rem;cursor:pointer;line-height:1}@media(max-width:768px){.showcase-thumb-grid{grid-template-columns:repeat(3,1fr)}}.resource-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:36px 28px;text-align:center}.resource-icon{font-size:2.4rem;margin-bottom:16px}.resource-card p{color:var(--text-muted);font-size:.92rem;margin-bottom:20px}.resource-card .btn{margin:4px}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;max-width:880px;margin:0 auto}.contact-form{display:flex;flex-direction:column;gap:14px}.contact-form input,.contact-form textarea{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:12px 16px;color:var(--text);font-family:var(--font);font-size:.95rem;transition:border-color .2s}.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--accent)}.contact-form textarea{resize:vertical}.contact-info{display:flex;flex-direction:column;gap:28px;padding-top:8px}.contact-item strong{display:block;margin-bottom:4px;font-size:.85rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em}.contact-item a{font-size:1rem}.wechat-qr{width:160px;min-height:60px;background:var(--surface);border:1px solid var(--border);border-radius:8px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--text-muted);font-size:.85rem;margin-top:8px;padding:12px;text-align:center}.footer{padding:28px 0;border-top:1px solid var(--border);font-size:.85rem;color:var(--text-muted)}.footer-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}.footer-links{display:flex;gap:20px}.footer-links a{color:var(--text-muted)}.footer-links a:hover{color:var(--text)}.steps-row{display:flex;align-items:center;justify-content:center;gap:24px;margin-top:32px;flex-wrap:wrap}.step-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:28px 24px;text-align:center;flex:1;min-width:200px;max-width:280px}.step-num{width:44px;height:44px;border-radius:50%;background:var(--accent);color:#fff;font-weight:700;font-size:1.2rem;display:flex;align-items:center;justify-content:center;margin:0 auto 16px}.step-card h3{font-size:1.1rem;margin-bottom:8px}.step-card p{font-size:.9rem;color:var(--text-muted)}.step-arrow{font-size:1.6rem;color:var(--accent);font-weight:700}.testimonial-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px;margin-top:32px}.testimonial-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:28px 24px}.testimonial-text{font-size:.95rem;line-height:1.6;color:var(--text);font-style:italic;margin-bottom:16px}.testimonial-author{display:flex;flex-direction:column;gap:2px}.testimonial-author strong{font-size:.9rem;color:var(--text)}.testimonial-author span{font-size:.8rem;color:var(--text-muted)}.team-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:32px;margin-top:32px}.team-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:32px 28px;text-align:center}.team-photo-placeholder{width:100px;height:100px;border-radius:50%;background:var(--accent);color:#fff;font-size:1.6rem;font-weight:700;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;letter-spacing:.05em}.team-card h3{font-size:1.2rem;margin-bottom:4px}.team-cn-name{font-size:.9rem;color:var(--text-muted);margin-bottom:4px}.team-title{font-size:.95rem;color:var(--accent);font-weight:600;margin-bottom:4px}.team-role{font-size:.8rem;color:var(--text-muted);margin-bottom:16px;letter-spacing:.03em}.team-bio{font-size:.9rem;color:var(--text-muted);line-height:1.6;text-align:left}.footer-brand p{margin:2px 0}.footer-col{display:flex;flex-direction:column;gap:6px}.footer-col a{color:var(--text-muted);font-size:.85rem}.footer-col a:hover{color:var(--text)}.footer-heading{font-weight:600;color:var(--text);margin-bottom:4px;font-size:.9rem}.footer-bottom{margin-top:20px;padding-top:16px;border-top:1px solid var(--border);text-align:center}@media(max-width:768px){.hero h1{font-size:2rem}.hero-sub{font-size:1rem}h2{font-size:1.6rem}.grid-2,.grid-3,.contact-grid{grid-template-columns:1fr}.nav-links{display:none}.nav-links.nav-open{display:flex;flex-direction:column;position:absolute;top:60px;left:0;right:0;background:var(--bg);border-bottom:1px solid var(--border);padding:16px 24px;gap:16px}.mobile-menu{display:block}.step-arrow{display:none}.steps-row{flex-direction:column}.step-card{max-width:100%}.footer-inner{flex-direction:column;align-items:flex-start;gap:24px}.section{padding:56px 0}.hero{padding:120px 24px 72px}}.card-modal-overlay{display:none;position:fixed;top:0;right:0;bottom:0;left:0;z-index:10000;background:#000000d1;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);align-items:center;justify-content:center;padding:24px}.card-modal-overlay.active{display:flex}.card-modal{background:var(--surface);border:1px solid var(--border);border-radius:14px;max-width:960px;width:100%;max-height:90vh;overflow-y:auto;box-shadow:0 24px 80px #0009;animation:modal-enter .35s ease-out}@keyframes modal-enter{0%{opacity:0;transform:scale(.92) translateY(20px)}to{opacity:1;transform:scale(1) translateY(0)}}.card-modal-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid var(--border)}.card-modal-header h3{font-size:1.3rem;color:var(--accent);margin:0}.card-modal-close{background:none;border:none;color:var(--text-muted);font-size:1.8rem;cursor:pointer;line-height:1;padding:0 4px;transition:color .2s}.card-modal-close:hover{color:var(--text)}.card-modal-img{width:100%;display:block;border-bottom:1px solid var(--border)}.card-modal-body{padding:24px}.card-modal-desc{color:var(--text-muted);font-size:.95rem;line-height:1.7;margin-bottom:20px}.card-modal-features{display:grid;grid-template-columns:1fr 1fr;gap:12px}.card-modal-feature{display:flex;align-items:flex-start;gap:10px;padding:10px 14px;background:var(--bg-alt);border-radius:8px;border:1px solid var(--border)}.card-modal-feature-icon{font-size:1.2rem;flex-shrink:0;margin-top:1px}.card-modal-feature-text{font-size:.85rem;color:var(--text);line-height:1.5}.card-modal-feature-text strong{display:block;margin-bottom:2px;color:var(--text)}.card-modal-feature-text span{color:var(--text-muted)}@media(max-width:768px){.card-modal-features{grid-template-columns:1fr}.card-modal{max-height:95vh}}.lifecycle-tour{margin:2.5rem 0 3rem;padding:2rem;background:var(--card-bg, #1e293b);border:1px solid var(--border, #334155);border-radius:16px}.tour-carousel-title{font-size:1.3rem;font-weight:700;color:var(--accent, #3b82f6);margin:0 0 .3rem;text-align:center}.tour-carousel-sub{text-align:center;color:var(--text-muted, #94a3b8);font-size:.9rem;margin:0 0 1.5rem}.tour-carousel{position:relative;display:flex;align-items:center;gap:.5rem}.tour-slide-container{flex:1;position:relative;min-height:340px;overflow:hidden}.tour-slide{display:none;gap:1.5rem;align-items:flex-start;animation:tourFadeIn .4s ease-out}.tour-slide.active{display:flex}@keyframes tourFadeIn{0%{opacity:0;transform:translate(24px)}to{opacity:1;transform:translate(0)}}.tour-slide-img{flex:0 0 55%;max-width:55%}.tour-slide-img img{width:100%;border-radius:10px;border:1px solid var(--border, #334155);box-shadow:0 4px 16px #0000004d}.tour-slide-info{flex:1;padding:.5rem 0}.tour-step-num{display:inline-block;font-size:.75rem;font-weight:600;color:var(--accent, #3b82f6);background:#3b82f61f;padding:3px 10px;border-radius:12px;margin-bottom:.5rem}.tour-slide-info h4{font-size:1.1rem;font-weight:700;color:#f1f5f9;margin:0 0 .6rem}.tour-slide-info p{font-size:.88rem;line-height:1.6;color:var(--text-muted, #94a3b8);margin:0}.tour-nav{background:#ffffff14;border:1px solid var(--border, #334155);color:#e2e8f0;font-size:1.8rem;width:40px;height:40px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background .2s,border-color .2s;line-height:1}.tour-nav:hover{background:var(--accent, #3b82f6);border-color:var(--accent, #3b82f6)}.tour-dots{display:flex;justify-content:center;gap:8px;margin-top:1rem}.tour-dot{width:10px;height:10px;border-radius:50%;background:var(--border, #334155);cursor:pointer;transition:all .2s}.tour-dot.active{background:var(--accent, #3b82f6);transform:scale(1.3)}.tour-dot:hover{background:#3b82f680}@media(max-width:768px){.tour-slide{flex-direction:column}.tour-slide-img{flex:none;max-width:100%}.tour-slide-container{min-height:auto}.lifecycle-tour{padding:1.2rem}}