.top_lb{
    width: 100%;
}
.top_lb .swiper-slide{
    width: 100% !important;
}
.top_lb .swiper-slide img{
    width: 100%;
}
/* ===== 区块标题 ===== */
.section-title {
    text-align: center;
    font-size: 40px;
    font-weight: 700;
    color:#262626;
}
/* ===== 产品推荐 ===== */
.products {
    padding: 74px 0 0;
}

.products .section-title {
    margin-bottom: 62px;
}

.product-grid {
    max-width: 1680px;
    box-sizing: border-box;
    margin: 0 auto;
    padding: 0 50px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px 22px;
}

.product-card {
    background: #F2F2F2;
    display: flex;
    align-items: center;
    padding: 20px 8px;
    box-sizing: border-box;
    justify-content: space-between;
}

.product-card img {
    width: 44%;
    height: 86%;
    object-fit: contain;
    flex-shrink: 0;
}

.product-info {
    flex: 1;
    width: 54%;
}

.product-info h3 {
    font-size: 24px;
    height: 90px;
    font-weight: 500;
    color:#262626;
    margin-bottom: 18px;
    word-break: break-all;
}

.btn-detail {
    display: inline-block;
    background: #F08300;
    color: #fff;
    font-size: 17px;
    padding: 9px 30px;
    border-radius: 4px;
    line-height: 1.2;
}

.btn-detail:hover { opacity: 0.9; }

.about-title {
    margin-top: 74px;
    margin-bottom: 56px;
}
.about{
    margin-bottom: 100px;
}
.about-inner {
    max-width: 1600px;
    box-sizing: border-box;
    margin: 0 auto;
    padding: 0 95px;
    display: flex;
    align-items: flex-start;
    gap: 42px;
    justify-content: space-between;
}

.about-img {
    width: 45%;
}

.about-text {
    width: 50%;
}

.about-text>p:nth-child(1){
    font-size: 17px;
    line-height: 2;
    color: #333;
    text-align: justify;
    text-indent: 2em;
    margin-bottom: 30px;
}
.about-text>div:nth-child(2){
    display: flex;
    display: -webkit-flex;
    justify-content: center;
}
.about-text-btn{
    display: inline-block;
    background: #F08300;
    color: #fff;
    font-size: 17px;
    padding: 9px 30px;
    border-radius: 4px;
    line-height: 1.2;
}
.goto-side {
    width: 116px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    padding-top: 230px;
    position: fixed;
    bottom: 200px;
    right: 20px;
    z-index: 999;
}

.goto-side .qr {
    width: 120px;
    height: auto;
    box-sizing: border-box;
    padding: 10px;
    border:2px solid #F08300;
    background: #ffffff;
}

.go-top {
    width: 54px;
    height: 54px;
    background: #F08300;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.go-top:hover { opacity: 0.9; }