*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif;line-height:1.6;color:#fff;background:#0a0a0a}.container{max-width:1200px;margin:0 auto;padding:0 20px}.navbar{position:fixed;top:0;width:100%;background:rgba(0,0,0,.95);backdrop-filter:blur(10px);z-index:1000;transition:all .3s ease}.nav-container{display:flex;justify-content:space-between;align-items:center;padding:1rem 2rem}.nav-logo{display:flex;align-items:center;font-size:1.5rem;font-weight:bold;color:#E50914}.nav-logo svg{margin-right:10px}.nav-menu{display:flex;list-style:none;gap:2rem}.nav-link{color:#fff;text-decoration:none;transition:color .3s ease}.nav-link:hover{color:#E50914}.hamburger{display:none;flex-direction:column;cursor:pointer}.hamburger span{width:25px;height:3px;background:#fff;margin:3px 0;transition:.3s}.hero{min-height:100vh;display:flex;align-items:center;background:linear-gradient(135deg,#0a0a0a 0%,#1a1a1a 100%);padding:80px 20px 20px}.hero-content{flex:1;max-width:600px}.hero h1{font-size:3.5rem;margin-bottom:1rem;background:linear-gradient(45deg,#E50914,#FF6B6B);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero h2{font-size:1.8rem;margin-bottom:1rem;color:#ccc}.hero p{font-size:1.2rem;margin-bottom:2rem;color:#aaa}.hero-buttons{display:flex;gap:1rem;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;padding:12px 24px;border-radius:25px;text-decoration:none;font-weight:600;transition:all .3s ease;border:none;cursor:pointer}.btn-primary{background:#E50914;color:#fff}.btn-primary:hover{background:#b8070f;transform:translateY(-2px)}.btn-secondary{background:transparent;color:#fff;border:2px solid #E50914}.btn-secondary:hover{background:#E50914;transform:translateY(-2px)}.hero-image{flex:1;display:flex;justify-content:center;align-items:center}.hero-visual{position:relative;width:400px;height:300px}.hero-gradient{width:100%;height:100%;background:linear-gradient(135deg,#1a1a1a 0%,#333 100%);border-radius:20px}.floating-circle{position:absolute;border-radius:50%;animation:float 6s ease-in-out infinite}.circle-1{width:100px;height:100px;background:#E50914;opacity:.8;top:20%;left:10%;animation-delay:0s}.circle-2{width:80px;height:80px;background:#FF6B6B;opacity:.6;bottom:30%;right:20%;animation-delay:2s}.circle-3{width:60px;height:60px;background:#4ECDC4;opacity:.7;top:60%;right:10%;animation-delay:4s}@keyframes float{0%,100%{transform:translateY(0px)}50%{transform:translateY(-20px)}}.features{padding:80px 20px;background:#111}.features h2{text-align:center;font-size:2.5rem;margin-bottom:3rem;color:#E50914}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem}.feature-card{background:#1a1a1a;padding:2rem;border-radius:15px;text-align:center;transition:transform .3s ease,box-shadow .3s ease}.feature-card:hover{transform:translateY(-10px);box-shadow:0 20px 40px rgba(229,9,20,.2)}.feature-icon{width:60px;height:60px;margin:0 auto 1rem;background:#E50914;border-radius:50%;display:flex;align-items:center;justify-content:center}.feature-icon svg{width:30px;height:30px}.feature-card h3{font-size:1.5rem;margin-bottom:1rem;color:#E50914}.content{padding:80px 20px;background:#0a0a0a}.content h2{text-align:center;font-size:2.5rem;margin-bottom:2rem;color:#E50914}.content-categories{display:flex;justify-content:center;gap:1rem;margin-bottom:3rem;flex-wrap:wrap}.category-tab{padding:10px 20px;background:#1a1a1a;border-radius:25px;cursor:pointer;transition:all .3s ease;color:#aaa}.category-tab.active,.category-tab:hover{background:#E50914;color:#fff}.content-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem;max-width:900px;margin:0 auto}.content-card{background:#1a1a1a;border-radius:15px;overflow:hidden;transition:transform .3s ease,box-shadow .3s ease}.content-card:hover{transform:scale(1.05);box-shadow:0 15px 30px rgba(229,9,20,.3)}.content-image{position:relative;height:300px;overflow:hidden}.content-image img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}.content-card:hover .content-image img{transform:scale(1.1)}.content-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s ease}.content-card:hover .content-overlay{opacity:1}.play-button{width:60px;height:60px;background:#E50914;border-radius:50%;position:relative;cursor:pointer;transition:transform .3s ease}.play-button:hover{transform:scale(1.1)}.play-button::after{content:'';position:absolute;top:50%;left:55%;transform:translate(-50%,-50%);width:0;height:0;border-left:15px solid #fff;border-top:10px solid transparent;border-bottom:10px solid transparent}.content-info{padding:1rem}.content-info h3{color:#E50914;margin-bottom:.5rem}.download{padding:80px 20px;background:#111}.download-content{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}.download-text h2{font-size:2.5rem;margin-bottom:1rem;color:#E50914}.download-features{list-style:none;margin:2rem 0}.download-features li{padding:.5rem 0;color:#aaa}.download-buttons{display:flex;gap:1rem;flex-wrap:wrap}.download-btn{display:flex;align-items:center;gap:10px;padding:12px 24px;background:#1a1a1a;color:#fff;text-decoration:none;border-radius:10px;transition:all .3s ease}.download-btn:hover{background:#E50914}.phone-mockup{width:250px;height:450px;background:#1a1a1a;border-radius:30px;border:2px solid #333;position:relative;margin:0 auto}.phone-screen{position:absolute;top:50px;left:15px;right:15px;bottom:80px;background:#000;border-radius:20px;display:flex;flex-direction:column;align-items:center;justify-content:center}.app-icon{width:80px;height:80px;background:#E50914;border-radius:20px;margin-bottom:20px;position:relative}.app-icon::after{content:'▶';position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:#fff;font-size:30px}.app-name{color:#E50914;font-size:20px;font-weight:bold;margin-bottom:5px}.app-subtitle{color:#fff;font-size:14px}.phone-button{position:absolute;bottom:20px;left:50%;transform:translateX(-50%);width:60px;height:4px;background:#333;border-radius:2px}.contact{padding:80px 20px;background:#0a0a0a}.contact h2{text-align:center;font-size:2.5rem;margin-bottom:3rem;color:#E50914}.contact-content{display:grid;grid-template-columns:1fr 1fr;gap:3rem}.contact-item{display:flex;align-items:center;gap:10px;margin:1rem 0;color:#aaa}.contact-form input,.contact-form textarea{width:100%;padding:12px;margin-bottom:1rem;background:#1a1a1a;border:1px solid #333;border-radius:5px;color:#fff}.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:#E50914}.footer{background:#000;padding:40px 20px 20px}.footer-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;margin-bottom:2rem}.footer-section h3,.footer-section h4{color:#E50914;margin-bottom:1rem}.footer-section ul{list-style:none}.footer-section ul li{margin-bottom:.5rem}.footer-section ul li a{color:#aaa;text-decoration:none;transition:color .3s ease}.footer-section ul li a:hover{color:#E50914}.social-links{display:flex;gap:1rem}.social-links a{width:40px;height:40px;background:#1a1a1a;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#aaa;transition:all .3s ease;position:relative}.social-links a:hover{background:#E50914;color:#fff}.social-weibo::after{content:'微';font-weight:bold;font-size:16px}.social-wechat::after{content:'信';font-weight:bold;font-size:16px}.footer-bottom{border-top:1px solid #333;padding-top:1rem;text-align:center;color:#666}@media (max-width:768px){.nav-menu{position:fixed;left:-100%;top:70px;flex-direction:column;background:rgba(0,0,0,.95);width:100%;text-align:center;transition:.3s;padding:2rem 0}.nav-menu.active{left:0}.hamburger{display:flex}.hero{flex-direction:column;text-align:center;padding:100px 20px 40px}.hero h1{font-size:2.5rem}.hero-image{margin-top:2rem}.hero-visual{width:300px;height:200px}.download-content,.contact-content{grid-template-columns:1fr}.features-grid{grid-template-columns:1fr}.content-grid{grid-template-columns:1fr;max-width:400px}.content-categories{justify-content:flex-start;overflow-x:auto;padding-bottom:10px}.category-tab{white-space:nowrap}.hero-buttons{justify-content:center}.download-buttons{justify-content:center}}@media (max-width:480px){.hero h1{font-size:2rem}.hero h2{font-size:1.4rem}.features h2,.content h2,.download h2,.contact h2{font-size:2rem}.btn{padding:10px 20px;font-size:.9rem}.phone-mockup{width:200px;height:360px}.content-grid{grid-template-columns:1fr;max-width:300px}}
