.banner {
    background: url(../images/product-all-bg.png?v=20230415115910) no-repeat center;
    background-size: 100% 600px;
    width: 100%;
    height: 600px;
}
.banner h1 {
    padding-top: 180px;
    font-size: 48px;
    font-weight: 700;
    text-align: left;
    color: #333333;
    line-height: 72px;
}
.banner p {
    width: 560px;
    margin-top: 24px;
    font-size: 20px;
    font-weight: 400;
    text-align: left;
    color: #333333;
    line-height: 30px;
    margin-bottom: 48px;
}
.search i {
    display: inline-block;
    width: 19px;
    height: 19px;
    background: url(../images/icon-search.png?v=20230415115910) no-repeat center;
    background-size: contain;
    top: 15px;
    left: 20px;
    cursor: pointer;
}
.search input {
    width: 680px;
    height: 48px;
    background: #ffffff;
    padding: 15px 20px;
    border-radius: 4px;
    box-shadow: 0px 4px 12px 0px rgba(3,122,255,0.06); 
    padding-left: 50px;
}
.main {
    padding: 80px 0;
}
.main h1 {
    font-size: 32px;
    font-weight: 400;
    text-align: center;
    color: #333333;
    line-height: 48px;
    margin-top: 20px;
    margin-bottom: 60px;
}
.product-tit {
    padding-bottom: 20px;
    border-bottom: 1px solid #eff1f4;
}
.product-tit img {
    width: 48px;
    height: 48px;
}
.product-tit h2 {
    font-size: 24px;
    font-weight: 500;
    text-align: left;
    color: #333333;
    line-height: 48px;
    margin-left: 20px;
}
.product-desc ul li {
    padding-left: 0;
    margin-right: 80px;
}
.product-desc h4 {
    font-size: 18px;
    font-weight: 700;
    text-align: left;
    color: #037aff;
    line-height: 27px;
    margin-top: 30px;
}