*{margin:0;padding:0;box-sizing:border-box}#app{font-family:PingFang SC,Helvetica Neue,Arial,sans-serif}.carousel-container{position:relative;width:100%;height:60vh;min-height:400px;overflow:hidden}.carousel-slide{width:100%;height:100%;position:relative}.carousel-image{width:100%;height:100%;-o-object-fit:cover;object-fit:cover}.carousel-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(180deg,rgba(0,0,0,.7) 0,rgba(0,0,0,.4) 40%,rgba(0,0,0,.1));display:flex;justify-content:center;align-items:center;backdrop-filter:blur(1px)}.carousel-text{color:#fff;font-size:4rem;font-weight:700;text-shadow:0 0 10px rgba(0,0,0,.8),0 2px 4px rgba(0,0,0,.5);letter-spacing:.3rem;filter:drop-shadow(0 0 3px rgba(255,255,255,.3));z-index:10;-webkit-text-stroke:1px rgba(0,0,0,.3)}.carousel-indicators{position:absolute;bottom:20px;left:50%;transform:translateX(-50%);display:flex;gap:10px}.carousel-indicators span{display:block;width:12px;height:12px;border-radius:50%;background-color:hsla(0,0%,100%,.5);cursor:pointer;transition:background-color .3s}.carousel-indicators span.active{background-color:#fff}.download-section{width:100%;padding:60px 20px;display:flex;justify-content:center;align-items:center}.download-btn{background-color:#2196f3;color:#fff;padding:20px 40px;border-radius:8px;text-decoration:none;font-size:1.2rem;font-weight:700;box-shadow:0 4px 6px rgba(0,0,0,.1);transition:all .3s ease}.download-btn:hover{background-color:#0d8aee;transform:translateY(-2px);box-shadow:0 6px 8px rgba(0,0,0,.15)}@media (max-width:768px){.carousel-text{font-size:2.8rem;letter-spacing:.2rem}.download-btn{padding:15px 30px;font-size:1rem}}@media (max-width:480px){.carousel-text{font-size:2rem;letter-spacing:.1rem}}