.flash-sale-section {
    padding: 90px 20px;
    background: linear-gradient(180deg,#eef4ff 0%, #ffffff 70%);
}

.flash-container {
    max-width: 1280px;
    margin: auto;
}

.flash-header {
    text-align: center;
    margin-bottom: 50px;
}

.flash-heading {
    font-size: 40px;
    font-weight: 800;
    color: #1e3a8a;
}

.flash-sub {
    margin-top: 6px;
    color: #64748b;
    font-size: 14px;
}

.flash-wrap {
    position: relative;
    overflow: visible;
}

.flash-grid {
    display: flex;
    gap: 24px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding: 10px 0;
}

.flash-grid::-webkit-scrollbar {
    display: none;
}

.flash-card {
    flex: 0 0 250px;
    background: #fff;
    border-radius: 16px;
    padding: 18px;
    border: 1px solid #e2e8f0;
    transition: all .3s ease;
    position: relative;
    scroll-snap-align: start;
}

.flash-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(30,58,138,.12);
    border-color: #2563eb;
}

.flash-discount {
    position: absolute;
    top: 12px;
    right: 12px;
    background: #2563eb;
    padding: 6px 12px;
    font-size: 12px;
    font-weight: 700;
    border-radius: 6px;
    color: #fff;
}

.flash-thumb {
    text-align: center;
    margin-bottom: 14px;
}

.flash-thumb img {
    max-height: 150px;
    object-fit: contain;
    transition: transform .3s ease;
}

.flash-card:hover .flash-thumb img {
    transform: scale(1.06);
}

.flash-title {
    font-size: 15px;
    font-weight: 600;
    color: #0f172a;
    min-height: 44px;
    line-height: 1.5;
}

.flash-price {
    font-size: 18px;
    font-weight: 700;
    color: #0f172a;
    margin: 6px 0;
}

.flash-progress {
    height: 6px;
    background: #e2e8f0;
    border-radius: 20px;
    margin: 10px 0;
    overflow: hidden;
}

.flash-progress span {
    display: block;
    width: 70%;
    height: 100%;
    background: linear-gradient(90deg,#2563eb,#60a5fa);
}

.flash-note {
    font-size: 12px;
    color: #2563eb;
    font-weight: 600;
}

.flash-cart-btn .button {
    width: 100%;
    margin-top: 12px;
    border-radius: 8px;
    font-weight: 600;
    background: #2563eb;
    color: #fff;
    border: none;
}

.flash-cart-btn .button:hover {
    background: #1d4ed8;
}

.flash-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 9999;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: #2563eb;
    color: #fff;
    border: none;
    cursor: pointer;
    font-size: 20px;
}

.flash-prev { left: -10px; }
.flash-next { right: -10px; }

.flash-btn:hover { background: #1d4ed8; }

@media (max-width:768px){
    .flash-sale-section { padding: 50px 10px; }
    .flash-card { flex: 0 0 200px; padding: 14px; }
    .flash-heading { font-size: 28px; }
    .flash-price { font-size: 16px; }
}