/* =============== 插件必要样式 =============== */
.ss-wrapper {
    overflow: hidden;
    position: relative;
}
.ss-track {
    display: flex;
    will-change: transform;
    transform: translate3d(0, 0, 0);
}
.ss-wrapper.vertical .ss-track { flex-direction: column; }
.ss-item { flex-shrink: 0; }