:root{--primary-color:#2563eb;--primary-hover:#1d4ed8;--secondary-color:#10b981;--secondary-hover:#059669;--bg-color:#ffffff;--bg-secondary:#f8fafc;--bg-tertiary:#f1f5f9;--text-primary:#1e293b;--text-secondary:#64748b;--text-muted:#94a3b8;--border-color:#e2e8f0;--card-bg:#ffffff;--shadow:0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);--shadow-lg:0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);--radius:12px;--radius-lg:16px;--radius-xl:24px;--transition:all 0.3s ease;--container-max:1100px;--header-height:70px}@media(prefers-color-scheme:dark){:root{--primary-color:#3b82f6;--primary-hover:#60a5fa;--secondary-color:#34d399;--secondary-hover:#6ee7b7;--bg-color:#0f172a;--bg-secondary:#1e293b;--bg-tertiary:#334155;--text-primary:#f1f5f9;--text-secondary:#cbd5e1;--text-muted:#64748b;--border-color:#334155;--card-bg:#1e293b;--shadow:0 4px 6px -1px rgba(0, 0, 0, 0.3);--shadow-lg:0 10px 15px -3px rgba(0, 0, 0, 0.4)}}*,*::before,*::after{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,segoe ui,pingfang sc,hiragino sans gb,microsoft yahei,helvetica neue,Arial,sans-serif;font-size:16px;line-height:1.6;color:var(--text-primary);background-color:var(--bg-color);transition:var(--transition);min-height:100vh}main{max-width:100%;margin:0 auto}.container{width:100%;max-width:var(--container-max);margin:0 auto;padding:0 20px}.site-header{position:fixed;top:0;left:0;right:0;height:var(--header-height);background-color:var(--bg-color);border-bottom:1px solid var(--border-color);z-index:1000;backdrop-filter:blur(10px);background-color:rgba(255,255,255,.9)}@media(prefers-color-scheme:dark){.site-header{background-color:rgba(15,23,42,.9)}}.header-content{display:flex;align-items:center;justify-content:space-between;height:var(--header-height)}.logo{display:flex;align-items:center;gap:12px}.logo-icon{width:40px;height:40px;border-radius:10px;box-shadow:var(--shadow)}.logo-text{font-size:1.25rem;font-weight:700;color:var(--text-primary)}.btn-sm{padding:8px 20px;font-size:.875rem}.hero{padding:calc(var(--header-height) + 60px)0 80px;background:linear-gradient(180deg,var(--bg-secondary) 0%,var(--bg-color) 100%)}.hero-wrapper{display:flex;flex-direction:column;align-items:center;gap:40px}@media(min-width:768px){.hero-wrapper{flex-direction:row;align-items:center;justify-content:space-between;gap:60px}.hero-content{flex:1;max-width:500px;text-align:left}.hero-image{flex:1;max-width:400px}}.hero-content{text-align:center;width:100%}@media(min-width:768px){.hero-content{text-align:left}}.hero-badges{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-bottom:16px}@media(min-width:768px){.hero-badges{justify-content:flex-start}}.hero-badge{display:inline-block;padding:6px 14px;font-size:.875rem;font-weight:600;color:#fff;background:linear-gradient(135deg,#f59e0b 0%,#ef4444 100%);border-radius:20px}.hero-badge-2{background:linear-gradient(135deg,#10b981 0%,#059669 100%)}.hero-badge-3{background:linear-gradient(135deg,#3b82f6 0%,#2563eb 100%)}.app-name{font-size:2.5rem;font-weight:800;margin:0 0 12px;color:var(--text-primary);line-height:1.2;letter-spacing:-.02em}@media(min-width:768px){.app-name{font-size:3rem}}.app-description{font-size:1.125rem;color:var(--text-secondary);margin:0 0 20px;line-height:1.7}@media(min-width:768px){.app-description{font-size:1.25rem}}.hero-stats{display:flex;gap:20px;margin-bottom:24px;flex-wrap:wrap;justify-content:center}@media(min-width:768px){.hero-stats{justify-content:flex-start}}.hero-stat{display:flex;align-items:center;gap:6px;font-size:.9375rem;font-weight:500;color:var(--text-secondary)}.hero-stat svg{color:var(--primary-color)}.hero-image{width:100%;max-width:500px}.hero-image img{width:100%;height:auto;max-width:500px;border-radius:var(--radius-xl);box-shadow:var(--shadow-lg)}.download-buttons{display:flex;flex-direction:column;gap:16px;justify-content:center}@media(min-width:768px){.hero .download-buttons{justify-content:flex-start}}@media(min-width:480px){.download-buttons{flex-direction:row}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:16px 32px;font-size:1rem;font-weight:600;text-decoration:none;border-radius:var(--radius);border:none;cursor:pointer;transition:var(--transition);white-space:nowrap;min-width:200px}.btn:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}.btn:active{transform:translateY(-1px)}.btn-large{padding:20px 40px;font-size:1.125rem}.btn-primary{background:linear-gradient(135deg,var(--primary-color) 0%,var(--primary-hover) 100%);color:#fff}.btn-primary:hover{background:linear-gradient(135deg,var(--primary-hover) 0%,var(--primary-color) 100%)}.btn-secondary{background:linear-gradient(135deg,var(--secondary-color) 0%,var(--secondary-hover) 100%);color:#fff}.btn-secondary:hover{background:linear-gradient(135deg,var(--secondary-hover) 0%,var(--secondary-color) 100%)}.btn-icon{font-size:1.25rem}.btn-icon-img{width:24px;height:24px;object-fit:contain}.btn-text{letter-spacing:.02em}.features{padding:80px 0;background-color:var(--bg-color)}.features-grid{display:grid;grid-template-columns:1fr;gap:30px;margin-top:50px}@media(min-width:640px){.features-grid{grid-template-columns:repeat(2,1fr)}}@media(min-width:900px){.features-grid{grid-template-columns:repeat(3,1fr)}}.feature-item{background-color:var(--card-bg);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:40px 30px;text-align:center;transition:var(--transition)}.feature-item:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}.feature-icon{font-size:3rem;margin-bottom:20px}.feature-item h3{font-size:1.25rem;font-weight:700;margin:0 0 12px;color:var(--text-primary)}.feature-item p{font-size:1rem;color:var(--text-secondary);margin:0;line-height:1.6}.screenshots{padding:80px 0;background-color:var(--bg-secondary)}.screenshot-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:50px}@media(min-width:640px){.screenshot-grid{grid-template-columns:repeat(3,1fr);gap:24px}}@media(min-width:1024px){.screenshot-grid{grid-template-columns:repeat(4,1fr);gap:30px}}.screenshot-item{background-color:var(--card-bg);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);transition:var(--transition)}.screenshot-item:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}.screenshot-item img{display:block;width:100%;height:auto;max-width:100%;max-height:500px;width:auto;height:auto;object-fit:contain}.embla{margin-top:50px;position:relative}.embla__viewport{overflow:hidden}.embla__container{display:flex;touch-action:pan-y pinch-zoom}.embla__slide{flex:0 0 100%;min-width:0;padding:0 10px}.embla__slide img{display:block;width:100%;height:auto}@media(min-width:640px){.embla__slide{flex:0 0 50%}}@media(min-width:1024px){.embla__slide{flex:0 0 33.333%}}.embla__controls{display:flex;justify-content:center;margin-top:20px}.embla__buttons{display:flex;gap:12px}.embla__button{width:48px;height:48px;border-radius:50%;background:var(--bg-color);border:1px solid var(--border-color);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background-color .3s}.embla__button:hover{background:var(--bg-secondary)}.embla__button__svg{width:20px;height:20px;fill:var(--text-primary)}.download-section{padding:100px 0;background:linear-gradient(180deg,var(--bg-color) 0%,var(--bg-secondary) 100%);text-align:center}.download-section-content{max-width:600px;margin:0 auto;padding:60px 40px;background:var(--card-bg);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg)}.download-text{font-size:1.125rem;color:var(--text-secondary);margin:0 0 32px}.site-footer{padding:40px 0;background-color:var(--bg-tertiary);border-top:1px solid var(--border-color);text-align:center}.copyright{font-size:1rem;color:var(--text-primary);margin:0 0 8px;font-weight:600}.footer-note{font-size:.875rem;color:var(--text-muted);margin:0}.section-title{text-align:center;font-size:2rem;font-weight:800;margin:0;color:var(--text-primary);letter-spacing:-.02em}@media(min-width:768px){.section-title{font-size:2.5rem}}.download-fixed{display:none;position:fixed;bottom:0;left:0;right:0;background-color:var(--bg-color);padding:12px 20px;box-shadow:0 -4px 20px rgba(0,0,0,.15);z-index:100}@media(prefers-color-scheme:dark){.download-fixed{box-shadow:0 -4px 20px rgba(0,0,0,.4)}}@media(max-width:767px){.download-fixed{display:block}.hero .download-buttons{display:none}body{padding-bottom:70px}}.download-fixed .container{padding:0}.download-fixed .download-buttons{flex-direction:row}.download-fixed .btn{padding:12px 16px;font-size:.875rem;min-width:auto;flex:1}@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}a:focus-visible,button:focus-visible{outline:2px solid var(--primary-color);outline-offset:2px}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}