a {
        text-decoration: none;
    }

    .product-detail-page {
        padding: 160px 0 60px;
    }

    .breadcrumb {
        margin-bottom: 30px;
        font-size: 14px;
        color: #6c757d;
    }

    .breadcrumb a {
        color: #222;
        text-decoration: none;
        transition: color 0.2s;
    }

    .breadcrumb a:hover {
        color: #004b99;
        text-decoration: underline;
    }

    .breadcrumb span {
        color: #1A2C3E;
        font-weight: 500;
    }

    .detail-main {
        display: flex;
        gap: 50px;
        margin-bottom: 60px;
        flex-wrap: wrap;
    }

    .detail-images {
        flex: 1;
        min-width: 280px;
    }

    .main-image {
        background: #ffffff;
        border-radius: 20px;
        overflow: hidden;
        aspect-ratio: 1 / 1;
        display: flex;
        align-items: center;
        justify-content: center;
        border: 1px solid #eef2f8;
        transition: box-shadow 0.2s;
    }

    .main-image img {
        width: 100%;
        height: 100%;
        object-fit: contain;
        padding: 20px;
    }

    .thumb-images {
        display: flex;
        gap: 15px;
        margin-top: 20px;
        flex-wrap: wrap;
    }

    .thumb {
        width: 80px;
        height: 80px;
        border-radius: 12px;
        border: 1px solid #e2e8f0;
        overflow: hidden;
        cursor: pointer;
        transition: all 0.2s;
        background: #fff;
    }

    .thumb img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .thumb.active {
        border-color: #0066cc;
        box-shadow: 0 0 0 2px rgba(0, 102, 204, 0.2);
    }

    .thumb:hover {
        transform: translateY(-3px);
        border-color: #0066cc;
    }

    .detail-info {
        flex: 1.2;
        min-width: 300px;
    }

    .detail-info h1 {
        font-size: 28px;
        font-weight: 700;
        color: #0a2540;
        margin-bottom: 12px;
        line-height: 1.3;
    }

    .product-model {
        padding-bottom: 20px;
        border-bottom: 1px solid #eef2f8;
        margin-bottom: 24px;
    }

    .product-description,
    .product-features {
        margin-bottom: 28px;
    }

    .product-description h3,
    .product-features h3 {
        font-size: 18px;
        font-weight: 600;
        color: #1a2c3e;
        margin-bottom: 12px;
        position: relative;
        padding-left: 12px;
        border-left: 4px solid #0066cc;
    }

    .product-description p {
        color: #33475b;
        line-height: 1.6;
        font-size: 15px;
    }

    .product-features ul {
        list-style: none;
        padding-left: 8px;
    }

    .product-features li {
        margin-bottom: 12px;
        padding-left: 24px;
        position: relative;
        color: #2c3e50;
        font-size: 15px;
    }

    .product-features li::before {
        content: "✓";
        position: absolute;
        left: 0;
        color: #0066cc;
        font-weight: bold;
        font-size: 16px;
    }

    .detail-buttons {
        display: flex;
        gap: 20px;
        margin-top: 32px;
        flex-wrap: wrap;
    }

    .btn-inquiry,
    .btn-download {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 12px 32px;
        border-radius: 10px;
        font-size: 16px;
        font-weight: 600;
        text-decoration: none;
        transition: all 0.25s ease;
        cursor: pointer;
    }

    .btn-inquiry {
        background: #0066cc;
        color: white;
        border: none;
        box-shadow: 0 2px 6px rgba(0, 102, 204, 0.2);
    }

    .btn-inquiry:hover {
        background: #004b99;
        transform: translateY(-2px);
        box-shadow: 0 8px 18px rgba(0, 102, 204, 0.25);
    }

    .btn-download {
        background: transparent;
        color: #0066cc;
        border: 1.5px solid #0066cc;
    }

    .btn-download:hover {
        background: rgba(0, 102, 204, 0.05);
        transform: translateY(-2px);
        border-color: #004b99;
        color: #004b99;
    }

    .detail-tabs {
        margin: 50px 0 50px;
        border-top: 1px solid #eef2f8;
    }

    .tab-headers {
        display: flex;
        gap: 8px;
        border-bottom: 1px solid #e2e8f0;
        margin-bottom: 30px;
        flex-wrap: wrap;
    }

    .tab-btn {
        padding: 14px 28px;
        font-size: 16px;
        font-weight: 500;
        color: #5c6f87;
        cursor: pointer;
        transition: all 0.2s;
        background: transparent;
        border: none;
        position: relative;
    }

    .tab-btn:hover {
        color: #0066cc;
    }

    .tab-btn.active {
        color: #0066cc;
        font-weight: 600;
    }

    .tab-btn.active::after {
        content: '';
        position: absolute;
        bottom: -1px;
        left: 0;
        width: 100%;
        height: 3px;
        background: #0066cc;
        border-radius: 3px 3px 0 0;
    }

    .tab-content {
        display: none;
        animation: fadeIn 0.3s ease;
    }

    .tab-content.active {
        display: block;
    }

    @keyframes fadeIn {
        from {
            opacity: 0;
            transform: translateY(8px);
        }

        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .tab-panel {
        padding: 20px 0 10px;
        font-size: 15px;
        line-height: 1.7;
        color: #2c3e50;
    }

    .param-table {
        width: 100%;
        border-collapse: collapse;
        background: #f9fbfd;
        border-radius: 20px;
        overflow: hidden;
    }

    .param-table tr {
        border-bottom: 1px solid #e9edf2;
    }

    .param-table th,
    .param-table td {
        padding: 16px 20px;
        text-align: left;
        font-size: 15px;
    }

    .param-table th {
        width: 180px;
        background: #f0f4f9;
        font-weight: 600;
        color: #1a2c3e;
    }

    .param-table td {
        color: #334e6e;
    }

    .related-products {
        margin-top: 60px;
        padding-top: 20px;
        border-top: 1px solid #eef2f8;
    }

    .related-products h3 {
        font-size: 24px;
        font-weight: 700;
        color: #0a2540;
        margin-bottom: 30px;
        position: relative;
        display: inline-block;
    }

    .related-products h3::after {
        content: '';
        position: absolute;
        bottom: -10px;
        left: 0;
        width: 60px;
        height: 3px;
        background: #0066cc;
        border-radius: 2px;
    }

    .related-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
        gap: 30px;
        margin-top: 20px;
    }

    .related-card {
        background: #ffffff;
        border: 1px solid #eef2f8;
        border-radius: 20px;
        overflow: hidden;
        text-decoration: none;
        transition: all 0.3s ease;
        display: block;
    }

    .related-card .card-img-wrapper {
        width: 100%;
        overflow: hidden;
        background: #fafcff;
    }

    .related-card img {
        width: 100%;
        aspect-ratio: 1 / 1;
        object-fit: contain;
        background: #fafcff;
        overflow: hidden;
        padding: 20px;
        transition: transform 0.4s cubic-bezier(0.2, 0.9, 0.4, 1.1);
        will-change: transform;
    }

    .related-card:hover img {
        transform: scale(1.1);
        overflow: hidden;
    }

    .related-card:hover {
        transform: translateY(-8px);
        box-shadow: 0 20px 30px -12px rgba(0, 0, 0, 0.1);
        border-color: #dce5ef;
        overflow: hidden;
    }

    .related-card h4 {
        padding: 18px 16px 20px;
        box-sizing: border-box;
        font-size: 16px;
        font-weight: 600;
        color: #1a2c3e;
        text-align: center;
        border-top: 1px solid #f0f3f8;
        transition: color 0.2s;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .related-card:hover h4 {
        color: #0066cc;
    }

    .img-zoom-card {
        overflow: hidden;
    }

    .img-zoom-card img {
        transition: transform 0.4s ease;
    }

    .img-zoom-card:hover img {
        transform: scale(1.08);
    }


    @media (max-width: 1200px) {
        .detail-main {
            gap: 35px;
        }

        .param-table th {
            width: 150px;
        }
    }

    @media (max-width: 992px) {
        .product-detail-page {
            padding: 20px 0 50px;
        }

        .detail-main {
            flex-direction: column;
        }

        .detail-images {
            max-width: 500px;
            margin: 0 auto;
            width: 100%;
        }

        .detail-info {
            width: 100%;
        }

        .detail-info h1 {
            font-size: 26px;
        }

        .tab-btn {
            padding: 12px 20px;
            font-size: 15px;
        }

        .related-grid {
            gap: 20px;
        }
    }

    @media (max-width: 768px) {
        .breadcrumb {
            font-size: 15px;
            margin-bottom: 20px;
            margin-top: 63px;
        }

        .detail-info h1 {
            font-size: 22px;
        }

        .product-model {
            font-size: 14px;
        }

        .product-description h3,
        .product-features h3 {
            font-size: 17px;
        }

        .btn-inquiry,
        .btn-download {
            padding: 10px 24px;
            font-size: 14px;
        }

        .thumb {
            width: 65px;
            height: 65px;
        }

        .tab-headers {
            gap: 4px;
        }

        .tab-btn {
            padding: 10px 16px;
            font-size: 14px;
        }

        .param-table th,
        .param-table td {
            padding: 12px 14px;
            font-size: 13px;
        }

        .param-table th {
            width: 110px;
        }

        .related-products h3 {
            font-size: 20px;
        }

        .related-card h4 {
            font-size: 14px;
            padding: 14px 12px;
        }

        .related-card:hover img {
            transform: scale(1.05);
        }
    }

    @media (max-width: 480px) {
        .detail-buttons {
            flex-direction: column;
            gap: 12px;
        }

        .btn-inquiry,
        .btn-download {
            width: 100%;
            text-align: center;
        }

        .thumb {
            width: 55px;
            height: 55px;
        }

        .tab-btn {
            flex: 1;
            text-align: center;
            padding: 10px 4px;
        }

        .param-table th,
        .param-table td {
            display: block;
            width: 100%;
        }

        .param-table tr {
            display: block;
            margin-bottom: 16px;
            border: 1px solid #e2e8f0;
            border-radius: 12px;
        }

        .param-table th {
            background: #eef2f9;
            border-radius: 12px 12px 0 0;
        }
    }

    @media (min-width: 1920px) {
        .detail-main {
            gap: 80px;
        }

        .detail-info h1 {
            font-size: 36px;
        }

        .product-description p,
        .product-features li {
            font-size: 16px;
        }

        .thumb {
            width: 100px;
            height: 100px;
        }

        .related-grid {
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 40px;
        }

        .related-card:hover img {
            transform: scale(1.12);
        }
    }

    .zoom-wrapper {
        position: relative;
        display: inline-block;
        width: 100%;
    }

    .main-image {
        background: #fff;
        border-radius: 20px;
        display: flex;
        align-items: center;
        justify-content: center;
        border: 1px solid #eef2f8;
        transition: box-shadow 0.2s;
        position: relative;
        cursor: crosshair;
    }

    .main-image img {
        width: 100%;
        height: 100%;
        object-fit: contain;
        padding: 20px;
        display: block;
    }

    .main-image .zoom-lens {
        position: absolute;
        border: 2px solid #0066cc;
        width: 120px;
        height: 120px;
        background: rgba(0, 102, 204, 0.1);
        display: none;
        pointer-events: none;
        border-radius: 4px;
    }

    .zoom-result {
        position: absolute;
        top: 0;
        left: calc(100% + 20px);
        width: 400px;
        height: 400px;
        background-repeat: no-repeat;
        background-color: #fff;
        border: 1px solid #eee;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
        display: none;
        z-index: 999;
        border-radius: 8px;
    }

    @media (max-width: 1200px) {
        .zoom-result {
            display: none !important;
        }

        .main-image {
            cursor: default;
        }
    }

    .product-nav {
        display: flex;
        justify-content: space-between;
        margin-bottom: 30px;
        flex-wrap: wrap;
        gap: 10px;
    }

    .product-nav a {
        color: #0066cc;
        font-size: 15px;
        text-decoration: none;
        padding: 8px 16px;
        border: 1px solid #e2e8f0;
        border-radius: 8px;
        transition: all 0.2s;
    }

    .product-nav a:hover {
        background: #0066cc;
        color: #fff;
        border-color: #0066cc;
    }

    @media (max-width: 768px) {
        .related-products {
            display: none !important;
        }
    }

    .header {
        background-color: #232529 !important;
        color: #fff;
    }

    .header h4 {
        color: #222 !important;
    }

    .tab-panel img {
        max-width: 100% !important;
        height: auto !important;
        margin: 8px 0 !important;
    }