Poly Mailer Envelope Self-Seal Shipping Bag Tear-Resistant Multiple Sizes

body {
font-family: ‘Segoe UI’, Roboto, Helvetica, Arial, sans-serif;
background: #f8f9fa;
margin: 0;
padding: 2rem 1rem;
display: flex;
justify-content: center;
}
.product-card {
max-width: 1100px;
width: 100%;
background: white;
border-radius: 24px;
box-shadow: 0 12px 30px rgba(0,0,0,0.08);
padding: 2rem 2.5rem;
transition: 0.2s;
}
h1 {
font-size: 2rem;
font-weight: 600;
margin-top: 0.2rem;
margin-bottom: 0.5rem;
color: #1e293b;
}
.price-badge {
font-size: 1.8rem;
font-weight: 700;
color: #0b4f6c;
background: #e7f0f5;
display: inline-block;
padding: 0.3rem 1.2rem;
border-radius: 40px;
margin: 0.5rem 0 1.2rem 0;
}
.gallery-grid {
display: flex;
flex-wrap: wrap;
gap: 16px;
margin: 1.8rem 0 2rem 0;
}
.gallery-grid img {
width: calc(33.333% – 12px);
min-width: 180px;
flex: 1 1 auto;
border-radius: 20px;
object-fit: cover;
background: #f1f5f9;
border: 1px solid #e9edf2;
box-shadow: 0 4px 10px rgba(0,0,0,0.02);
transition: transform 0.2s;
}
.gallery-grid img:hover {
transform: scale(1.01);
}
.specs-table {
width: 100%;
border-collapse: collapse;
margin: 2rem 0 1.8rem 0;
background: #fafcff;
border-radius: 18px;
overflow: hidden;
box-shadow: 0 2px 8px rgba(0,0,0,0.02);
}
.specs-table td {
padding: 0.9rem 1.2rem;
border-bottom: 1px solid #e6edf4;
vertical-align: top;
}
.specs-table tr:last-child td {
border-bottom: none;
}
.specs-table td:first-child {
font-weight: 600;
color: #1e3a5f;
width: 38%;
background: #f2f7fd;
}
.specs-table td:last-child {
color: #1f2a44;
}
.description-box {
background: #f9fcff;
padding: 1.5rem 1.8rem;
border-radius: 20px;
margin: 1.8rem 0;
border-left: