html{scroll-behavior:smooth;scroll-padding-top:80px}:root{--primary-color: #0099ff;--secondary-color: #0077cc;--text-color: #333333;--text-secondary: #555555;--bg-color: #ffffff;--bg-secondary: #f9f9f9;--nav-bg: rgba(255, 255, 255, .9);--card-bg: #f8fbff;--card-border: rgba(0, 153, 255, .05);--card-hover-bg: #ffffff;--hero-gradient: linear-gradient(-45deg, #eef7ff, #ffffff, #f0fcfc, #e6f0ff);--nav-height: 60px;--shadow-color: rgba(0, 0, 0, .1);--btn-outline-bg: #ffffff;--btn-secondary-bg: #f5f5f7;--btn-secondary-color: #888888;--title-gradient: linear-gradient(135deg, #0099ff 0%, #0055ff 100%);--footer-bg: #333333;--footer-text: #cccccc;--phone-border: #dddddd;--icon-bg: rgba(0, 153, 255, .08);--hover-bg: rgba(0, 153, 255, .05);--card-shadow: 0 15px 40px rgba(0, 153, 255, .08)}[data-theme=dark]{--primary-color: #33adff;--secondary-color: #66c2ff;--text-color: #ffffff;--text-secondary: #cccccc;--bg-color: #121212;--bg-secondary: #1e1e1e;--nav-bg: rgba(18, 18, 18, .9);--card-bg: #1e1e1e;--card-border: rgba(255, 255, 255, .1);--card-hover-bg: #252525;--hero-gradient: linear-gradient(-45deg, #1a1a1a, #0d0d0d, #1f1f1f, #141414);--shadow-color: rgba(0, 0, 0, .5);--btn-outline-bg: transparent;--btn-secondary-bg: #2a2a2a;--btn-secondary-color: #aaaaaa;--title-gradient: linear-gradient(135deg, #33adff 0%, #0077ff 100%);--footer-bg: #0f0f0f;--footer-text: #888888;--phone-border: #444444;--icon-bg: rgba(51, 173, 255, .15);--hover-bg: rgba(51, 173, 255, .1);--card-shadow: 0 15px 40px rgba(0, 0, 0, .5)}.app{font-family:PingFang SC,Microsoft YaHei,Helvetica Neue,Arial,sans-serif;color:var(--text-color);background-color:var(--bg-color);width:100%;overflow-x:hidden;transition:background-color .3s,color .3s}.navbar{position:fixed;top:0;left:0;width:100%;height:var(--nav-height);background-color:var(--nav-bg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 1px 3px var(--shadow-color);z-index:1000;display:flex;justify-content:center;transition:background-color .3s}.navbar-container{width:100%;max-width:1200px;display:flex;justify-content:space-between;align-items:center;padding:0 20px}.logo{display:flex;align-items:center;gap:12px;font-size:1.4rem;font-weight:800;color:var(--primary-color);letter-spacing:-.5px}.logo img{width:40px;height:40px;border-radius:10px;box-shadow:0 4px 10px #09f3}.nav-links{display:flex;gap:30px}.nav-links a{text-decoration:none;color:var(--text-color);font-size:1rem;font-weight:500;transition:all .3s;padding:8px 16px;border-radius:20px}.nav-links a:hover{color:var(--primary-color);background-color:var(--hover-bg)}.theme-toggle{background:none;border:none;cursor:pointer;color:var(--text-color);font-size:1.4rem;padding:8px;display:flex;align-items:center;justify-content:center;transition:all .3s ease;margin-left:10px}.theme-toggle:hover{color:var(--primary-color);transform:rotate(15deg)}.menu-icon{display:none;flex-direction:column;cursor:pointer;gap:5px}.bar{width:25px;height:3px;background-color:var(--text-color);transition:all .3s ease;border-radius:2px}.hero{padding-top:calc(var(--nav-height) + 40px);min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--hero-gradient);background-size:400% 400%;animation:gradientBG 15s ease infinite;text-align:center;padding-bottom:80px;position:relative;overflow:hidden}@keyframes gradientBG{0%{background-position:0% 50%}50%{background-position:100% 50%}to{background-position:0% 50%}}.hero-content{max-width:1000px;padding:20px;animation:fadeIn 1s ease-out;position:relative;z-index:1}.hero-title{font-size:3.2rem;margin-bottom:24px;background:var(--title-gradient);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;font-weight:900;letter-spacing:-1px}.hero-subtitle{font-size:1.6rem;color:var(--text-secondary);margin-bottom:50px;font-weight:300}.download-buttons{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;justify-content:center;margin:0 auto 60px;max-width:500px}.btn{padding:14px 20px;border-radius:16px;text-decoration:none;font-weight:600;font-size:1.1rem;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex;align-items:center;justify-content:center;gap:12px;position:relative;overflow:hidden;width:100%}.btn .icon{font-size:1.4rem;display:flex;align-items:center;transition:transform .3s cubic-bezier(.34,1.56,.64,1)}.btn:hover .icon{transform:scale(1.15) rotate(-5deg)}.btn:active .icon{transform:scale(.95)}.btn:hover{transform:translateY(-4px);box-shadow:0 10px 25px #0000001a}.btn:active{transform:translateY(-1px)}.btn-primary{background:linear-gradient(135deg,#09f,#07c);color:#fff;border:none;box-shadow:0 4px 15px #0099ff4d}.btn-primary:hover{box-shadow:0 8px 25px #09f6}.btn-outline{background-color:var(--btn-outline-bg);color:var(--primary-color);border:2px solid rgba(0,153,255,.2)}.btn-outline:hover{border-color:var(--primary-color);background-color:var(--hover-bg)}.btn-secondary{background-color:var(--btn-secondary-bg);color:var(--btn-secondary-color);border:1px solid transparent}.btn.disabled{opacity:.6;cursor:not-allowed;pointer-events:none;filter:grayscale(100%)}.hero-image-placeholder{display:flex;justify-content:center;margin-top:40px;perspective:1000px}.phone-frame{width:300px;height:650px;background-color:#333;border-radius:40px;padding:10px;box-shadow:0 20px 50px #0003;border:4px solid var(--phone-border);position:relative}.phone-frame:after{content:"";position:absolute;top:20px;left:50%;transform:translate(-50%);width:90px;height:24px;background-color:#000;border-radius:12px;z-index:20;pointer-events:none}.screen-carousel{background-color:#000;width:100%;height:100%;border-radius:30px;overflow:hidden;position:relative;cursor:grab;-webkit-user-select:none;user-select:none}.screen-carousel:active{cursor:grabbing}.carousel-image{width:100%;height:100%;object-fit:cover;position:absolute;top:0;left:0;opacity:0;transition:opacity .5s ease-in-out;pointer-events:none;-webkit-user-select:none;user-select:none}.carousel-image.active{opacity:1}.carousel-controls{position:absolute;top:50%;width:100%;display:flex;justify-content:space-between;transform:translateY(-50%);padding:0 10px;pointer-events:none}.carousel-btn{background:#ffffff4d;border:none;color:#fff;font-size:2rem;cursor:pointer;border-radius:50%;width:40px;height:40px;display:flex;align-items:center;justify-content:center;pointer-events:auto;transition:background .3s}.carousel-btn:hover{background:#fff9}.carousel-indicators{position:absolute;bottom:20px;left:50%;transform:translate(-50%);display:flex;gap:8px}.indicator{width:8px;height:8px;border-radius:50%;background-color:#ffffff80;cursor:pointer;transition:background-color .3s}.indicator.active{background-color:#fff}.features{padding:100px 20px;background-color:var(--bg-color);text-align:center}.features h2{font-size:2.5rem;margin-bottom:60px;color:var(--text-color);font-weight:800}.container{max-width:1200px;margin:0 auto}.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:30px}.feature-item{padding:40px 30px;border-radius:24px;background-color:var(--card-bg);transition:all .3s cubic-bezier(.4,0,.2,1);border:1px solid var(--card-border);display:flex;flex-direction:column;align-items:center}.feature-item:hover{transform:translateY(-8px);background-color:var(--card-hover-bg);box-shadow:var(--card-shadow);border-color:var(--primary-color)}.feature-icon{font-size:2.5rem;margin-bottom:24px;color:var(--primary-color);background:var(--icon-bg);width:80px;height:80px;display:flex;align-items:center;justify-content:center;border-radius:20px;transition:all .3s ease}.feature-item:hover .feature-icon{background:var(--primary-color);color:#fff;transform:scale(1.1) rotate(-5deg)}.feature-item h3{font-size:1.4rem;margin-bottom:16px;color:var(--text-color);font-weight:700}.feature-item p{color:var(--text-secondary);line-height:1.7;font-size:1rem}.about{padding:80px 20px;background-color:var(--bg-secondary);text-align:center}.about h2{font-size:2.5rem;margin-bottom:30px;color:var(--text-color)}.about p{color:var(--text-secondary);line-height:1.8;font-size:1.1rem;max-width:800px;margin:0 auto 15px}.contact-info{margin-top:40px;font-weight:700;color:var(--primary-color)}.footer{background-color:var(--footer-bg);padding:40px 0;text-align:center;color:var(--footer-text);margin-top:auto}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 768px){.hero{padding-top:calc(var(--nav-height) + 30px);padding-bottom:60px}.hero-title{font-size:2.5rem;margin-bottom:16px}.hero-subtitle{font-size:1.2rem;margin-bottom:40px;padding:0 20px}.download-buttons{display:flex;flex-direction:column;align-items:center;gap:16px;padding:0 20px}.btn{width:100%;max-width:320px;justify-content:center}.navbar-container{padding:0 20px}.nav-links{position:absolute;top:var(--nav-height);left:0;width:100%;flex-direction:column;background-color:var(--bg-color);padding:20px;gap:15px;box-shadow:0 10px 20px #0000000d;transform:translateY(-150%);transition:transform .3s cubic-bezier(.4,0,.2,1)}.nav-links.active{transform:translateY(0)}.menu-icon{display:flex}.phone-frame{transform:scale(.9);margin-top:0}}@media (max-width: 380px){.phone-frame{transform:scale(.8);margin:-30px 0}.hero-title{font-size:2rem}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#f5f5f5;min-height:100vh}#root{min-height:100vh}