
    .product-store {
        border-radius: 30px; /* Đặt độ cong cho khung */
        background-color: #ffff; /* Đặt màu nền cho phần */
        padding: 120px; /* Đặt khoảng cách nội dung và viền */
        box-shadow: 0 0 20px rgba(0, 0, 0, 0.1); /* Thêm bóng đổ */
        max-width: 1140px; /* Thêm max-width để tránh tràn khỏi màn hình */
        margin: 0 auto; /* Căn giữa theo chiều ngang */
        display: flex; /* Sử dụng flexbox */
        justify-content: center; /* Căn giữa theo chiều ngang */
        align-items: center; /* Căn giữa theo chiều dọc */
        flex-direction: column; /* Xếp các phần tử con theo chiều dọc */
    }

    .swiper-pagination {
        bottom: 20px; /* Điều chỉnh vị trí thanh phân trang */
        left: 50%; /* Điều chỉnh vị trí thanh phân trang */
        transform: translateX(-50%); /* Đưa thanh phân trang về giữa */
    }

    /* Nếu muốn làm cho nút "Xem Thêm" có góc bo tròn, thêm CSS sau */
    .btn-normal {
        border-radius: 20px; /* Đặt độ cong cho nút */
    }

    .position-relative {
        position: relative;
    }

    .position-absolute {
        position: absolute;
    }

    .image-holder {
        height: 250px;
    }

    .swiper.main-swiper {
        background-color: white;
    }

    .product-card {
        margin-bottom: 80px; /* Khoảng cách giữa các sản phẩm */

        border-radius: 10px; /* Đặt độ cong cho khung */
        background-color: white; /* Đặt màu nền cho phần */

        box-shadow: 20px 20px 20px rgba(0, 0, 0, 0.1); /* Thêm bóng đổ */
    }
    .row.d-flex.align-items-center {
    background: #f5f5f7;
}
    .btn-primary {
        background-color: transparent;
        border: 2px solid #fff;
        padding: 10px 20px;
    }

        .btn-primary:hover {
            background-color: #fff;
            color: #000;
        }

    .position-relative {
        position: relative;
    }

    .position-absolute {
        position: absolute;
    }

    .translate-middle {
        transform: translate(-50%, -50%);
    }

    section#billboard {
        background: #f5f5f7;
    }

    .swiper-pagination.position-absolute.text-center.swiper-pagination-clickable.swiper-pagination-bullets.swiper-pagination-horizontal {
        justify-content: flex-end;
        display: flex;
    }

    


                                .product-card:hover .cart-concern {
                                    opacity: 1 !important;
                                }
                            

    .sale-section-modern {
        background: linear-gradient(135deg, #dc2626 0%, #ea580c 50%, #f59e0b 100%);
        padding: 100px 0;
        margin: 80px 0;
        position: relative;
        overflow: hidden;
    }
    
    .holiday-badge {
        animation: pulse-holiday 2s ease-in-out infinite;
    }
    
    @keyframes pulse-holiday {
        0%, 100% {
            transform: scale(1);
            box-shadow: 0 0 0 0 rgba(255,255,255,0.4);
        }
        50% {
            transform: scale(1.05);
            box-shadow: 0 0 0 10px rgba(255,255,255,0);
        }
    }
    
    .sale-section-modern::before {
        content: '';
        position: absolute;
        top: -50%;
        right: -10%;
        width: 600px;
        height: 600px;
        background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
        border-radius: 50%;
        animation: float-modern 8s ease-in-out infinite;
    }
    
    .sale-section-modern::after {
        content: '';
        position: absolute;
        bottom: -30%;
        left: -5%;
        width: 500px;
        height: 500px;
        background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
        border-radius: 50%;
        animation: float-modern 10s ease-in-out infinite reverse;
    }
    
    .sale-content-wrapper {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 60px;
        align-items: center;
        position: relative;
        z-index: 1;
    }
    
    .sale-left {
        color: white;
    }
    
    .discount-badge-modern {
        display: flex;
        align-items: baseline;
        gap: 10px;
        margin-bottom: 40px;
        font-family: 'Arial', sans-serif;
    }
    
    .discount-number {
        font-size: 120px;
        font-weight: 900;
        line-height: 1;
        background: linear-gradient(135deg, #fff 0%, #f0f0f0 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
        text-shadow: 0 0 40px rgba(255,255,255,0.5);
    }
    
    .discount-percent {
        font-size: 60px;
        font-weight: 700;
        color: #fff;
        text-shadow: 0 0 20px rgba(255,255,255,0.8);
    }
    
    .discount-off {
        font-size: 24px;
        font-weight: 600;
        color: rgba(255,255,255,0.9);
        letter-spacing: 3px;
        margin-left: 10px;
    }
    
    .sale-title-modern {
        font-size: 48px;
        font-weight: 800;
        margin-bottom: 20px;
        color: white;
        text-shadow: 2px 2px 10px rgba(0,0,0,0.3);
    }
    
    .sale-subtitle-modern {
        font-size: 18px;
        color: rgba(255,255,255,0.95);
        margin-bottom: 30px;
        line-height: 1.6;
    }
    
    .sale-features-modern {
        margin-bottom: 40px;
    }
    
    .feature-item-modern {
        display: flex;
        align-items: center;
        gap: 12px;
        margin-bottom: 15px;
        font-size: 16px;
        color: rgba(255,255,255,0.95);
    }
    
    .feature-item-modern i {
        color: #4ade80;
        font-size: 20px;
        text-shadow: 0 0 10px rgba(74,222,128,0.5);
    }
    
    .sale-btn-modern {
        display: inline-flex;
        align-items: center;
        gap: 12px;
        background: white;
        color: #667eea;
        padding: 18px 40px;
        border-radius: 50px;
        font-weight: 700;
        font-size: 18px;
        text-decoration: none;
        transition: all 0.3s ease;
        box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    }
    
    .sale-btn-modern:hover {
        transform: translateY(-3px);
        box-shadow: 0 15px 40px rgba(0,0,0,0.3);
        background: #f8f9fa;
    }
    
    .sale-btn-modern i {
        transition: transform 0.3s ease;
    }
    
    .sale-btn-modern:hover i {
        transform: translateX(5px);
    }
    
    .sale-right {
        position: relative;
    }
    
    .sale-card-modern {
        background: rgba(255,255,255,0.15);
        backdrop-filter: blur(10px);
        border-radius: 20px;
        padding: 30px;
        margin-bottom: 30px;
        border: 1px solid rgba(255,255,255,0.2);
        box-shadow: 0 8px 32px rgba(0,0,0,0.1);
        position: relative;
        overflow: hidden;
    }
    
    .sale-card-badge {
        position: absolute;
        top: 20px;
        right: 20px;
        background: #ef4444;
        color: white;
        padding: 8px 16px;
        border-radius: 20px;
        font-size: 12px;
        font-weight: 700;
        letter-spacing: 1px;
        animation: pulse-badge 2s ease-in-out infinite;
    }
    
    .sale-card-content h3 {
        color: white;
        font-size: 28px;
        font-weight: 700;
        margin-bottom: 10px;
    }
    
    .sale-card-content p {
        color: rgba(255,255,255,0.9);
        font-size: 16px;
        margin-bottom: 25px;
    }
    
    .sale-countdown {
        display: flex;
        align-items: center;
        gap: 10px;
    }
    
    .countdown-item {
        background: rgba(255,255,255,0.2);
        backdrop-filter: blur(5px);
        border-radius: 12px;
        padding: 15px 20px;
        text-align: center;
        min-width: 70px;
    }
    
    .countdown-number {
        display: block;
        font-size: 32px;
        font-weight: 800;
        color: white;
        line-height: 1;
    }
    
    .countdown-label {
        display: block;
        font-size: 12px;
        color: rgba(255,255,255,0.8);
        margin-top: 5px;
        text-transform: uppercase;
        letter-spacing: 1px;
    }
    
    .countdown-separator {
        color: white;
        font-size: 24px;
        font-weight: 700;
    }
    
    .sale-image-wrapper {
        position: relative;
        text-align: center;
    }
    
    .sale-image-glow {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 120%;
        height: 120%;
        background: radial-gradient(circle, rgba(255,255,255,0.2) 0%, transparent 70%);
        border-radius: 50%;
        animation: pulse-glow-modern 3s ease-in-out infinite;
    }
    
    .sale-image-modern {
        max-width: 100%;
        height: auto;
        position: relative;
        z-index: 2;
        filter: drop-shadow(0 20px 40px rgba(0,0,0,0.3));
        animation: float-image-modern 6s ease-in-out infinite;
    }
    
    @keyframes float-modern {
        0%, 100% {
            transform: translateY(0) scale(1);
        }
        50% {
            transform: translateY(-20px) scale(1.05);
        }
    }
    
    @keyframes pulse-badge {
        0%, 100% {
            transform: scale(1);
            box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7);
        }
        50% {
            transform: scale(1.05);
            box-shadow: 0 0 0 10px rgba(239, 68, 68, 0);
        }
    }
    
    @keyframes pulse-glow-modern {
        0%, 100% {
            opacity: 0.5;
            transform: translate(-50%, -50%) scale(1);
        }
        50% {
            opacity: 0.8;
            transform: translate(-50%, -50%) scale(1.1);
        }
    }
    
    @keyframes float-image-modern {
        0%, 100% {
            transform: translateY(0) rotate(0deg);
        }
        25% {
            transform: translateY(-10px) rotate(1deg);
        }
        50% {
            transform: translateY(-15px) rotate(0deg);
        }
        75% {
            transform: translateY(-10px) rotate(-1deg);
        }
    }
    
    @media (max-width: 992px) {
        .sale-content-wrapper {
            grid-template-columns: 1fr;
            gap: 40px;
        }
        
        .discount-number {
            font-size: 80px;
        }
        
        .discount-percent {
            font-size: 40px;
        }
        
        .sale-title-modern {
            font-size: 36px;
        }
    }
    
    @media (max-width: 768px) {
        .sale-section-modern {
        }
        /* Out of stock badge */
        .badge-outofstock {
            box-shadow: 0 2px 6px rgba(0,0,0,0.2);
        }
            padding: 60px 0;
        }
        
        .discount-number {
            font-size: 60px;
        }
        
        .discount-percent {
            font-size: 30px;
        }
        
        .sale-title-modern {
            font-size: 28px;
        }
        
        .sale-btn-modern {
            padding: 15px 30px;
            font-size: 16px;
        }
    }


    .service-card:hover {
        transform: translateY(-10px);
        box-shadow: 0 10px 30px rgba(0,0,0,0.15) !important;
    }


    .product-watch-swiper .swiper-slide {
        height: auto;
    }
    
    .product-watch-swiper .product-card:hover {
        transform: translateY(-8px);
        box-shadow: 0 12px 28px rgba(0,0,0,0.15) !important;
    }
    
    .product-watch-swiper .image-holder img:hover {
        transform: scale(1.1);
    }


