/* === 包裹器，允许导航点和箭头外露 === */
.carousel-wrapper{
width: 100%;
overflow: visible;
}
.carousel{
position: relative;
width: 100%;
overflow: hidden;
font-size: 0;
}
/* === 轨道 === */
.carousel-track{
display: flex;
transition: transform .5s ease;
}
.carousel-track > * ...
