Smart Room Sensor works with T9/T10 WIFI Smart Thermostats

“`html

* {
box-sizing: border-box;
margin: 0;
padding: 0;
}
body {
font-family: ‘Segoe UI’, Roboto, Arial, sans-serif;
background: #f5f7fa;
display: flex;
justify-content: center;
padding: 30px 15px;
}
.product-card {
max-width: 1100px;
width: 100%;
background: #ffffff;
border-radius: 24px;
box-shadow: 0 12px 30px rgba(0,0,0,0.08);
padding: 30px 30px 40px;
transition: all 0.2s;
}
h1, h2, h3 {
font-weight: 500;
letter-spacing: -0.01em;
}
h1 {
font-size: 2rem;
margin-bottom: 8px;
color: #1e293b;
}
.brand-sub {
color: #64748b;
font-size: 0.95rem;
margin-bottom: 20px;
border-bottom: 1px solid #e9edf2;
padding-bottom: 12px;
}
.price-block {
font-size: 2.1rem;
font-weight: 600;
color: #0f172a;
margin: 10px 0 20px;
}
.price-block span {
font-size: 1rem;
font-weight: 400;
color: #64748b;
margin-left: 8px;
}
.gallery {
display: flex;
flex-wrap: wrap;
gap: 16px;
margin: 20px 0 30px;
}
.gallery img {
width: 100%;
max-width: 240px;
height: auto;
border-radius: 16px;
border: 1px solid #e2e8f0;
background: #fafcff;
padding: 8px;
object-fit: contain;
transition: 0.2s;
}
.gallery img:hover {
border-color: #94a3b8;
}
.flex-row {
display: flex;
flex-wrap: wrap;
gap: 30px;
margin: 25px 0;
}
.specs-box {
flex: 1 1 380px;
background: #f8fafc;
border-radius: 20px;
padding: 20px 24px;
border: 1px solid #eef2f6;
}
.specs-box h2 {
font-size: 1.3rem;
margin-bottom: 18px;
color: #1e293b;
border-left: 4px solid #3b82f6;
padding-left: 12px;
}
.spec-table {
width: 100%;
border-collapse: collapse;
}
.spec-table tr {
border-bottom: 1px solid #e2e8f0;