/* 关于我们 */
.home-about{padding:80px 0 ;background:#ffffff;}
.block-row{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:48px;
    align-items:center;
}
.block-row img{
    width:100%;
    border-radius:16px;
}
/* 优势区块 */
.home-advantage{padding:80px 0;background:#f8fafc;
	width: 100vw;
    margin-left: calc(-50vw + 50%);}
/* 寄语区块 */
.home-quote{padding:80px 0;background:#ffffff;}
/* 产品模块 */
.product-section{padding:80px 0;background:#f8fafc;
	margin-bottom: -40px;
	width: 100vw;
    margin-left: calc(-50vw + 50%);
	}
.product-wrap{
    display:grid;
    gap:32px;
    grid-template-columns: repeat(auto-fill, minmax(290px,1fr));
}
.card{
    border:none;
    border-radius:16px;
    overflow:hidden;
    background:#fff;
    transition: all 0.35s ease;
}
.card:hover{
    transform: translateY(-8px);
}
.card img{
    width:100%;
    height:240px;
    object-fit:cover;
}
.card-body{padding:24px;}
.card h3{
    margin:0 0 8px;
    font-size:22px;
    color:#1f2937;
    font-weight:600;
}
.card p{
    color:#6b7280;
    margin:0;
    font-size:15px;
}
.cover-empty{
    background:#f3f4f6;
    height:240px;
    display:flex;
    align-items:center;
    justify-content:center;
    color:#9ca3af;
}
/* 响应式 */
@media (max-width:768px){
    .block-row{
        grid-template-columns:1fr;
    }
    .home-about,.home-advantage,.home-quote,.product-section{
        padding:50px 0;
    }
    .product-wrap{
        gap:24px;
        grid-template-columns: repeat(auto-fill, minmax(240px,1fr));
    }
}
/* 业务中心卡片样式【方案B】 */
.business-card-wrap{
    display:grid;
    grid-template-columns: repeat(4, 1fr);
    gap:32px;
}
.home-business-center{
    padding:100px 0;
	margin-top: -40px;
    background:#f8fafc;
	width: 100vw;
    margin-left: calc(-50vw + 50%);
}
.business-card{
    background:#fff;
    overflow:hidden;
    transition:0.3s;
}
.business-card:hover{
    transform:translateY(-6px);
}
.business-card-img{
    width:100%;
    height:auto;
    object-fit:cover;
}
.business-card-body{
    padding:24px;
}
.business-card h3{
    font-size:22px;
    margin:0 0 12px;
    color:#1f2937;
    font-weight:600;
}
.business-card p{
    font-size:15px;
    color:#4b5563;
    line-height:1.7;
    margin:0;
}
/* 响应式 */
@media (max-width:992px){
    .business-card-wrap{
        grid-template-columns: repeat(2,1fr);
    }
}
@media (max-width:576px){
    .business-card-wrap{
        grid-template-columns:1fr;
    }
}