* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            background: #f5f7fb;
            font-family: system-ui, -apple-system, 'Segoe UI', 'Roboto', 'Helvetica Neue', Helvetica, sans-serif;
            line-height: 1.5;
            color: #1a2c3e;
            padding: 2rem 1rem;
        }

        /* clean container – only the product specs, no extra decoration */
        .product-specs {
            max-width: 880px;
            margin: 0 auto;
            background: #ffffff;
            border-radius: 28px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.03), 0 2px 6px rgba(0,0,0,0.05);
            overflow: hidden;
            padding: 1.8rem 2rem 2.2rem 2rem;
        }

        /* feature block: retains original structure with ✅ + bold title + description */
        .feature {
            margin-bottom: 2rem;
            border-left: 3px solid #10b981;
            padding-left: 1.25rem;
            transition: all 0.1s ease;
        }

        .feature:last-child {
            margin-bottom: 0;
        }

        .feature-title {
            font-size: 1.1rem;
            font-weight: 500;
            margin-bottom: 0.5rem;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.2rem;
        }

        .feature-title .check {
            font-size: 1.2rem;
            margin-right: 0.25rem;
        }

        .feature-title strong {
            font-weight: 700;
            color: #0f2b3d;
            letter-spacing: -0.01em;
        }

        .feature p {
            font-size: 0.96rem;
            color: #2c3f4f;
            margin: 0;
            line-height: 1.55;
        }

        /* subtle responsive spacing */
        @media (max-width: 580px) {
            .product-specs {
                padding: 1.5rem;
            }
            .feature {
                padding-left: 1rem;
                margin-bottom: 1.8rem;
            }
            .feature-title {
                font-size: 1rem;
            }
            .feature p {
                font-size: 0.92rem;
            }
        }

        /* preserving exact original text styling — no added content, no missing parts */
        hr {
            display: none;
        }