@font-face{font-family:Inter;src:url(/fonts/Inter-400.woff2) format("woff2");font-weight:400;font-display:swap}@font-face{font-family:Inter;src:url(/fonts/Inter-500.woff2) format("woff2");font-weight:500;font-display:swap}@font-face{font-family:Inter;src:url(/fonts/Inter-600.woff2) format("woff2");font-weight:600;font-display:swap}@font-face{font-family:Inter;src:url(/fonts/Inter-700.woff2) format("woff2");font-weight:700;font-display:swap}:root{--bg:#0f172a;--surface:#1e293b;--surface-hover:#27344d;--text:#f8fafc;--text-secondary:#94a3b8;--text-muted:#64748b;--accent:#22c55e;--accent-hover:#16a34a;--border:#334155;--border-subtle:rgba(148,163,184,.12);--radius-sm:8px;--radius:12px;--radius-lg:16px;--radius-xl:20px;--shadow:0 4px 24px rgba(0,0,0,.3);--shadow-lg:0 12px 40px rgba(0,0,0,.5);--max-w:1120px}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.6;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}img{display:block;max-width:100%}a{color:inherit;text-decoration:none}.container{max-width:var(--max-w);margin:0 auto;padding:0 24px}header{position:sticky;top:0;z-index:1;background:var(--bg);border-bottom:1px solid var(--border)}header .container{justify-content:space-between;padding-top:14px;padding-bottom:14px}.logo,header .container{display:flex;align-items:center}.logo{gap:12px}.logo img{width:36px;height:36px;border-radius:var(--radius-sm);flex-shrink:0}.logo span{font-size:1.125rem;font-weight:600}.nav-lang{display:flex;align-items:center;gap:2px}.nav-lang a{font-size:.8125rem;font-weight:500;padding:6px 12px;border-radius:var(--radius-sm);color:var(--text-muted);transition:color .2s ease,background .2s ease}.nav-lang a.active,.nav-lang a:hover{color:var(--text);background:var(--surface)}.hero{padding:72px 0 80px}.hero .container{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}.hero-content{max-width:480px}.hero-icon{width:72px;height:72px;border-radius:18px;margin-bottom:24px;box-shadow:0 4px 16px rgba(0,0,0,.3)}.hero-content h1{font-size:2.5rem;font-weight:700;letter-spacing:-.02em;line-height:1.2;margin-bottom:16px}.hero-content .hero-desc{font-size:1.125rem;color:var(--text-secondary);line-height:1.7;margin-bottom:12px}.hero-highlights{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:28px}.hero-highlight{display:flex;align-items:center;gap:6px;font-size:.875rem;font-weight:500;color:var(--text-secondary)}.hero-highlight:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);flex-shrink:0}.hero-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.btn-primary{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;border-radius:var(--radius);background:var(--accent);color:#fff;font-size:.9375rem;font-weight:600;transition:background .2s ease,transform .15s ease}.btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px)}.btn-secondary{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;border-radius:var(--radius);border:1px solid var(--border);font-size:.9375rem;font-weight:500;color:var(--text);transition:border-color .2s ease,background .2s ease}.btn-secondary:hover{border-color:var(--accent);background:var(--surface)}.hero-image-wrap{display:flex;justify-content:center;align-items:center}.hero-image-wrap img{max-width:320px;border-radius:var(--radius-xl);box-shadow:0 8px 32px rgba(0,0,0,.4)}.screenshots{padding:0 0 80px}.screenshots h2{font-size:1.5rem;font-weight:600;text-align:center;margin-bottom:32px}.screenshot-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px}.screenshot-grid img{border-radius:var(--radius-lg);box-shadow:0 4px 20px rgba(0,0,0,.3);transition:transform .3s ease,box-shadow .3s ease;cursor:pointer}.screenshot-grid img:hover{transform:translateY(-4px);box-shadow:0 12px 36px rgba(0,0,0,.5)}.features{padding:0 0 64px}.features h2{font-size:1.5rem;font-weight:600;text-align:center;margin-bottom:16px}.features-intro{text-align:center;color:var(--text-secondary);max-width:560px;margin:0 auto 40px;line-height:1.7}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px}.feature-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px;transition:border-color .25s ease,box-shadow .25s ease}.feature-card:hover{border-color:var(--border-subtle);box-shadow:var(--shadow)}.feature-icon{width:44px;height:44px;border-radius:var(--radius);background:rgba(34,197,94,.1);display:flex;align-items:center;justify-content:center;margin-bottom:16px;font-size:1.25rem}.feature-card h3{font-size:1.0625rem;font-weight:600;margin-bottom:8px}.feature-card p{font-size:.875rem;color:var(--text-secondary);line-height:1.65}footer{border-top:1px solid var(--border);padding:48px 24px 40px}.footer-inner{max-width:var(--max-w);margin:0 auto;display:flex;flex-direction:column;align-items:center;gap:20px}.footer-copy{color:var(--text-muted);font-size:.8125rem}.footer-divider{width:48px;height:1px;background:var(--border)}.footer-beian{display:flex;align-items:center;gap:12px;flex-wrap:wrap;justify-content:center;font-size:.75rem}.footer-beian a{display:inline-flex;align-items:center;gap:5px;padding:4px 12px;border-radius:var(--radius-sm);border:1px solid var(--border-subtle);color:var(--text-muted);transition:border-color .2s ease,color .2s ease,background .2s ease}.footer-beian a:hover{border-color:var(--border);color:var(--text-secondary);background:rgba(148,163,184,.04)}.footer-beian img{width:14px;height:14px;flex-shrink:0}.footer-beian .beian-dot{color:var(--border);user-select:none}.footer-links{display:flex;align-items:center;gap:20px;flex-wrap:wrap;justify-content:center}.footer-links a{font-size:.8125rem;color:var(--text-muted);transition:color .2s ease}.footer-links a:hover{color:var(--text-secondary)}.fade-up{opacity:0;transform:translateY(20px);transition:opacity .5s ease,transform .5s ease}.fade-up.visible{opacity:1;transform:translateY(0)}@media(max-width:768px){.hero .container{grid-template-columns:1fr;gap:32px}.hero-content h1{font-size:1.875rem}.hero-image-wrap img{max-width:260px}.features-grid{grid-template-columns:1fr}}@media(max-width:480px){.container{padding:0 16px}.hero{padding:48px 0 56px}.hero-content h1{font-size:1.625rem}.hero-content .hero-desc{font-size:1rem}.hero-image-wrap img{max-width:240px}.features-grid,.screenshot-grid{grid-template-columns:1fr}.features-grid{gap:16px}.footer-beian{flex-direction:column;gap:8px}.footer-beian .beian-dot{display:none}.btn-primary,.btn-secondary{padding:10px 20px;font-size:.875rem}header .container{flex-wrap:wrap}}