* {
    margin:0;
    padding:0;
    box-sizing:border-box;
}
body {
    font-family:"Microsoft Yahei",sans-serif;
    color:#333;
    line-height:1.7;
    background:#fff;
}
.container {
    max-width:1200px;
    margin:0 auto;
    padding:0 16px;
}
a {
    text-decoration:none;
    color:inherit;
}
ul {
    list-style:none;
}
.section {
    padding:60px 0;
}
.bg-light {
    background:#f8faf6;
}
.sec-title {
    text-align:center;
    font-size:28px;
    margin-bottom:40px;
    color:#2c402a;
}
.text-center {text-align:center;}
.mt20 {margin-top:20px;}

/* 按钮 */
.btn-primary {
    display:inline-block;
    background:#3b6b38;
    color:#fff;
    padding:10px 24px;
    border-radius:6px;
    border:none;
    cursor:pointer;
}
.btn-outline {
    display:inline-block;
    border:1px solid #3b6b38;
    color:#3b6b38;
    padding:10px 24px;
    border-radius:6px;
}
.btn-block {
    width:100%;
}

/* 头部导航 */
.header {
    background:#fff;
    box-shadow:0 2px 8px #00000014;
    position:sticky;
    top:0;
    z-index:99;
}
.nav-wrap {
    display:flex;
    align-items:center;
    justify-content:space-between;
    height:64px;
}
.logo {
    font-size:22px;
    font-weight:bold;
    color:#2c402a;
}
.nav {
    display:flex;
    gap:28px;
}
.nav a {
    font-size:15px;
}

/* 悬浮侧边 */
.float-sidebar {
    position:fixed;
    right:12px;
    bottom:80px;
    z-index:98;
}
.float-btn {
    display:block;
    background:#3b6b38;
    color:#fff;
    padding:12px 10px;
    border-radius:8px;
    font-size:14px;
}

/* Banner */
.banner {
    position: relative;
    min-height: 520px;
    display: flex;
    align-items: center;
    overflow: hidden;
}
.banner-bg{
    position:absolute;
    top:0;
    left:0;
    width:100%;
    height:100%;
    background: url("../hz/qk.jpg");
    background-size: cover;
    background-position: center center;
    z-index:1;
}
.banner-bg::after{
    content:"";
    position:absolute;
    width:100%;
    height:100%;
    background:rgba(0,0,0,0.40); /*黑色半透明遮罩，保证文字看清，数值越大越暗*/
    left:0;
    top:0;
}
.banner-content {
    position:relative;
    z-index:2;
    width:100%;
    text-align:center;
    color:#ffffff;
}
.banner-content h1 {
    font-size:34px;
    color:#fff;
    margin-bottom:12px;
}
.banner-content h2 {
    font-size:24px;
    color:#f0f0f0;
    margin-bottom:16px;
}
.banner-desc {
    font-size:17px;
    margin-bottom:30px;
}
.banner-buttons {
    display:flex;
    gap:16px;
    justify-content:center;
    flex-wrap:wrap;
}


/* 优势 */
.advantage-grid {
    display:grid;
    grid-template-columns:repeat(auto-fit, minmax(210px,1fr));
    gap:20px;
}
.adv-card {
    background:#fff;
    padding:24px;
    border-radius:8px;
    box-shadow:0 2px 10px rgba(0,0,0,0.06);
}
.adv-card h3 {
    margin-bottom:10px;
    color:#2c402a;
}

/* 产品系列：新增产品图布局 */
.product-item {
    background:#fff;
    padding:28px;
    border-radius:8px;
    box-shadow:0 2px 10px rgba(0,0,0,0.05);
    margin-bottom:24px;
    display:grid;
    grid-template-columns:1fr 1.618fr;
    gap:28px;
    align-items:center;
}

.product-image-box {
    width:100%;
    overflow:hidden;
    border-radius:8px;
    background:#eef6ed;
}

.product-image {
    width:100%;
    height:260px;
    object-fit:cover;
    display:block;
}

.product-text h3 {
    font-size:20px;
    color:#2c402a;
    margin-bottom:12px;
}
.product-text ul {
    margin-top:12px;
}
.product-text li {
    margin:6px 0;
    padding-left:4px;
}

/* 场景：新增场景图布局 */
.scene-grid {
    display:grid;
    grid-template-columns:repeat(auto-fit, minmax(320px,1fr));
    gap:20px;
}

.scene-card {
    background:#fff;
    padding:0;
    border-radius:8px;
    overflow:hidden;
    box-shadow:0 2px 10px rgba(0,0,0,0.05);
}

.scene-image-box {
    width:100%;
    height:220px;
    overflow:hidden;
    background:#eef6ed;
}

.scene-image {
    width:100%;
    height:100%;
    object-fit:cover;
    display:block;
}

.scene-card h3 {
    padding:18px 18px 10px;
    color:#2c402a;
    margin-bottom:0;
}

.scene-card p {
    padding:0 18px 18px;
}

/* 选型表格 */
.tip-box {
    background:#eef6ed;
    padding:20px;
    border-radius:8px;
    margin-bottom:24px;
}
.table-wrap {
    overflow-x:auto;
}
.spec-table {
    width:100%;
    border-collapse:collapse;
}
.spec-table th,.spec-table td {
    border:1px solid #ddd;
    padding:12px;
}
.spec-table th {
    background:#eef6ed;
}

/* 工厂实力 */
.factory-grid {
    display:grid;
    grid-template-columns:repeat(auto-fit, minmax(200px,1fr));
    gap:20px;
    margin-bottom:30px;
}
.fact-card {
    background:#fff;
    text-align:center;
    padding:24px;
    border-radius:8px;
    box-shadow:0 2px 10px rgba(0,0,0,0.05);
}
.fact-num {
    font-size:26px;
    font-weight:bold;
    color:#3b6b38;
    margin-bottom:8px;
}
.factory-desc {
    max-width:800px;
    margin:0 auto;
    text-align:center;
}

/* 联系表单 */
.contact-wrap {
    display:grid;
    grid-template-columns:2fr 1fr;
    gap:30px;
}
.form-item {
    margin-bottom:16px;
}
.form-item label {
    display:block;
    margin-bottom:6px;
}
.form-item input,
.form-item select,
.form-item textarea {
    width:100%;
    border:1px solid #ccc;
    border-radius:6px;
    padding:10px;
    font-size:15px;
}
.contact-info h3 {
    margin-bottom:16px;
    color:#2c402a;
}

/* 页脚 */
.footer {
    background:#2c382b;
    color:#ddd;
    padding:40px 0 20px;
}
.footer-content {
    display:grid;
    grid-template-columns:repeat(auto-fit, minmax(240px,1fr));
    gap:30px;
    margin-bottom:30px;
}
.footer-col h4 {
    color:#fff;
    margin-bottom:14px;
}
.footer-links {
    display:flex;
    flex-direction:column;
    gap:8px;
}
.copyright {
    text-align:center;
    font-size:14px;
    padding-top:16px;
    border-top:1px solid #444;
}

/* 移动端适配 */
@media(max-width:768px){
    .nav {
        display:none;
    }
    .banner-content h1 {
        font-size:24px;
    }
    .sec-title {
        font-size:22px;
    }
    .product-item {
        grid-template-columns:1fr;
    }
    .contact-wrap {
        grid-template-columns:1fr;
    }
}
/* 资质证书模块样式 */
.cert-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit, minmax(240px,1fr));
    gap:24px;
}
.cert-card{
    background:#fff;
    border-radius:8px;
    overflow:hidden;
    box-shadow:0 2px 10px rgba(0,0,0,0.06);
    text-align:center;
}
.cert-img-box{
    width:100%;
    height:200px;
    background:#eef6ed;
}
.cert-img{
    width:100%;
    height:100%;
    object-fit:contain;
    display:block;
    padding:8px;
}
.cert-name{
    padding:12px 0;
    font-size:15px;
    color:#2c402a;
}

        /* ====== 底部：左侧工厂信息，右侧联系我们 ====== */
        .page-footer {
            background:#2c5c3f;
            color:#fff;
            padding:45px 0;
            margin-top:30px;
        }
        .footer-row{
            display:grid;
            grid-template-columns:1fr 1fr;
            gap:40px;
        }
        .footer-left h4,.footer-right h4{
            font-size:20px;
            margin-bottom:16px;
        }
        .footer-right{
            text-align:right;
        }

        @media(max-width:992px){
            .four-advantage,.series-wrap,.scene-wrap,.factory-num{
                grid-template-columns: repeat(2,1fr);
            }
            .shop-grid{
                grid-template-columns:repeat(2,1fr);
            }
            .footer-row{
                grid-template-columns:1fr;
            }
            .footer-right{
                text-align:left;
                margin-top:24px;
            }
        }
        @media(max-width:576px){
            .four-advantage,.series-wrap,.scene-wrap,.factory-num{
                grid-template-columns: 1fr;
            }
            .shop-grid{
                grid-template-columns:1fr;
            }
            .header-banner h1{font-size:26px;}
        }
		
		
        /* ====== 网店入口：PC一行3个，共2行 ====== */
        .buy-entry {
            background:#eef6f1;
            padding:28px;
            border-radius:10px;
            margin:24px 0;
        }
        .buy-entry h4 {
            font-size:20px;
            color:#2c5c3f;
            margin-bottom:20px;
        }
        .buy-entry>p{
            margin-bottom:18px;
        }
        .shop-grid{
            display:grid;
            grid-template-columns:repeat(3,1fr);
            gap:18px;
        }
        .shop-card{
            background:#ffffff;
            border:1px solid #d8e2dc;
            border-radius:8px;
            padding:18px 12px;
            text-align:center;
            transition:0.2s;
        }
        .shop-card:hover{
            background:#2c5c3f;
        }
        .shop-card a{
            font-size:16px;
            color:#2c5c3f;
            text-decoration:none;
            font-weight:500;
        }
        .shop-card:hover a{
            color:#fff;
        }

        table {
            width:100%;
            border-collapse: collapse;
            background:#fff;
            margin:20px 0;
        }
        th,td {
            border:1px solid #d8e2dc;
            padding:12px 14px;
            text-align:center;
        }
        th {
            background:#2c5c3f;
            color:#fff;
        }
        .factory-num {
            display:grid;
            grid-template-columns: repeat(4,1fr);
            gap:20px;
            text-align:center;
        }
        .num-item {
            background:#fff;
            padding:30px 10px;
            border-radius:10px;
        }
        .num-item strong {
            font-size:36px;
            color:#2c5c3f;
            display:block;
        }