/* 加入购物车：商品飞入右侧挂件购物车 */
.cart-fly-ball {
    position: fixed;
    z-index: 2147483000;
    pointer-events: none;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(15, 23, 42, 0.2);
    will-change: left, top, width, height, opacity;
}

.cart-fly-ball__inner {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    border-radius: 50%;
}

.cart-fly-ball.is-fallback {
    background: linear-gradient(135deg, #ffb347 0%, #ff6a00 100%);
}

.cart-fly-ball.is-fallback .cart-fly-ball__inner {
    display: none;
}

.in-side-ico.is-cart-pulse,
.cas_shop img.is-cart-pulse {
    animation: cart-fly-target-pulse 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

#top_cart_count.is-cart-pulse {
    animation: cart-fly-badge-pulse 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes cart-fly-target-pulse {
    0%, 100% { transform: scale(1); }
    45% { transform: scale(1.18); }
}

@keyframes cart-fly-badge-pulse {
    0%, 100% { transform: scale(1); }
    45% { transform: scale(1.3); }
}