*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:#1f2937;background:#fff;line-height:1.7}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}:root{--orange:#e9a708;--orange2:#f3b617;--dark:#172033;--muted:#667085;--line:#e7eaf0;--soft:#f7f8fa;--blue:#1e4f7a}.container{width:min(1180px,calc(100% - 36px));margin:auto}.topbar{background:#111827;color:#d1d5db;font-size:13px}.topbar .container{height:38px;display:flex;align-items:center;justify-content:space-between}.topbar .right{display:flex;gap:18px}.header{background:#fff;position:sticky;top:0;z-index:50;border-bottom:1px solid rgba(0,0,0,.06);box-shadow:0 5px 24px rgba(15,23,42,.04)}.nav-wrap{display:flex;align-items:center;height:82px}.logo{width:118px;flex:none}.logo 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a:hover{background:#fff8e3;color:#a87500;padding-left:23px}.mobile-btn{display:none;margin-left:auto;border:0;background:#fff;font-size:25px}.hero{height:620px;position:relative;overflow:hidden;background:#111827}.slide{position:absolute;inset:0;opacity:0;transition:opacity 1s ease;background-size:cover;background-position:center}.slide.active{opacity:1}.slide:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,14,24,.75),rgba(8,14,24,.3) 48%,rgba(8,14,24,.04))}.slide-inner{position:relative;z-index:2;height:100%;display:flex;align-items:center}.hero-copy{max-width:720px;color:#fff}.hero-tag{display:inline-flex;gap:8px;align-items:center;color:#ffd66f;font-size:14px;font-weight:700;letter-spacing:.14em;text-transform:uppercase}.hero-tag:before{content:"";width:34px;height:2px;background:var(--orange)}.hero h1{font-size:44px;line-height:1.22;margin:18px 0 18px;font-weight:750}.hero 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0;font-size:12px;color:#98a2b3}.empty{padding:50px;text-align:center;color:#8a94a6}.search-box{display:flex;max-width:520px}.search-box input{flex:1;border:1px solid #d9dee7;padding:11px}.search-box button{border:0;background:var(--orange);padding:0 20px;font-weight:700}.faq details{border-bottom:1px solid var(--line);padding:15px 0}.faq summary{font-weight:700;cursor:pointer}.notice{padding:13px 16px;background:#fff8e3;border-left:3px solid var(--orange);margin-bottom:20px}.floating-contact{position:fixed;right:20px;bottom:30px;z-index:30}.floating-contact a{display:flex;width:48px;height:48px;border-radius:50%;align-items:center;justify-content:center;background:var(--orange);box-shadow:0 8px 24px rgba(0,0,0,.2);font-weight:900;color:#111827}.pagination{display:flex;gap:8px;margin-top:30px}.pagination a{padding:7px 12px;border:1px solid var(--line)}.pagination a.active{background:var(--orange);border-color:var(--orange)}@media(max-width:980px){.nav{display:none;position:absolute;top:82px;left:0;right:0;background:#fff;height:auto;flex-direction:column;border-top:1px solid var(--line);padding:8px 18px}.nav.open{display:flex}.nav>li>a{height:auto;padding:13px 8px}.dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;display:none;padding-left:15px}.nav>li:hover .dropdown{display:block}.mobile-btn{display:block}.hero{height:540px}.hero h1{font-size:34px}.trustbar .container{grid-template-columns:1fr 1fr}.home-intro,.product-detail-top,.layout{grid-template-columns:1fr}.sidebar{display:none}.products-grid{grid-template-columns:repeat(2,1fr)}.pro-list{grid-template-columns:repeat(2,1fr)}.app-grid{grid-template-columns:repeat(2,1fr)}.service-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}}@media(max-width:620px){.topbar .right span:nth-child(2){display:none}.container{width:min(100% - 24px,1180px)}.hero{height:510px}.hero h1{font-size:28px}.hero p{font-size:15px}.btn{padding:0 16px}.trustbar .container{display:block}.trust-item{border-right:0;border-bottom:1px solid var(--line)}.section{padding:52px 0}.section h2{font-size:26px}.section-head{align-items:flex-start}.home-intro{gap:25px}.products-grid,.pro-list,.app-grid,.service-grid,.footer-grid{grid-template-columns:1fr}.app-card{height:235px}.product-detail-top{gap:25px}.detail-meta h1{font-size:29px}.spec-chips{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.full{grid-column:auto}.article-list .article-item{grid-template-columns:1fr}.article-item img{width:100%;height:180px}.news-row{grid-template-columns:88px 1fr}.news-row>a:last-child{display:none}.page-hero{height:230px}.page-hero h1{font-size:30px}.footer{padding-top:40px}}

/* ===== 2026-09-14 客户整改：沿用老站暖灰背景 / 放大Logo / Banner收高 / 产品三级目录 / 行业应用滚动 ===== */
:root{--old-bg:#f3f1eb;--old-bg-2:#eae7df}
body{background:var(--old-bg)}
.header,.trustbar,.section:not(.soft),.product-card,.category-card,.home-category-card{background:#fff}
.section.soft{background:var(--old-bg-2)}
.nav-wrap{height:88px}
.logo{width:176px;height:78px;display:flex;align-items:center;justify-content:flex-start;overflow:visible}
.logo img{width:170px;height:76px;object-fit:contain;object-position:left center}
.hero{height:450px;background:#d8d2c5}
.slide{background-size:cover;background-position:center}
.slide:after{background:linear-gradient(90deg,rgba(12,18,28,.62),rgba(12,18,28,.22) 52%,rgba(12,18,28,.03))}
.hero-copy{max-width:650px}
.hero h1{font-size:38px;margin:14px 0 12px}
.hero p{font-size:16px;margin:0;max-width:620px}
.hero-actions{margin-top:22px}
.hero-dots{bottom:16px}
.trustbar .container{display:block}
.trust-single{padding:18px 22px;text-align:center;color:#4c3a00;background:#fff8e3;border-left:4px solid var(--orange);font-size:17px;letter-spacing:.01em}
.product-dropdown{min-width:620px;padding:14px 16px;display:grid;grid-template-columns:repeat(2,minmax(240px,1fr));gap:8px 22px}
.product-menu-group{padding:5px 0 10px;border-bottom:1px solid #ece8df}
.product-menu-top{font-weight:800!important;color:#7f5c00!important;padding:8px 10px!important;background:#fff8e3}
.product-menu-child{padding:6px 12px!important;font-size:13px!important;color:#536070!important}
.product-menu-child:hover{padding-left:17px!important}
.home-category-grid,.category-overview{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.home-category-card,.category-card{border:1px solid #dedbd3;overflow:hidden;transition:.25s;box-shadow:0 6px 18px rgba(29,35,45,.04)}
.home-category-card:hover,.category-card:hover{transform:translateY(-5px);box-shadow:0 16px 34px rgba(29,35,45,.12);border-color:#e4b641}
.home-category-img,.category-image{height:230px;display:flex;align-items:center;justify-content:center;padding:20px;background:#f8f7f3}
.home-category-img img,.category-image img{width:100%;height:100%;object-fit:contain}
.home-category-body,.category-info{padding:18px 19px 20px}
.home-category-body h3,.category-info h3{margin:0 0 8px;color:#172033;font-size:20px}
.home-category-body p,.category-info p{margin:0 0 14px;color:#6b7280;font-size:13px;min-height:45px}
.home-category-body span{color:#946c00;font-size:13px;font-weight:800}
.product-all-title{margin-top:35px}
.product-side-nav>.side-group{border-bottom:1px solid var(--line)}
.product-side-nav>.side-group>.side-top{font-weight:800;background:#f8f7f3;border-bottom:0}
.product-side-nav>.side-group>.side-top.active{background:#fff1c6;color:#7d5a00}
.side-children{padding:4px 0 8px;background:#fff}
.side-children a{padding:9px 18px 9px 32px;border-bottom:0;position:relative}
.side-children a:before{content:"";position:absolute;left:19px;top:50%;width:5px;height:5px;border-radius:50%;background:#c5aa61;transform:translateY(-50%)}
.side-children a.active{font-weight:700}
.app-carousel{overflow:hidden;position:relative}
.app-track{display:flex;gap:16px;transition:transform .55s ease;will-change:transform}
.app-card{flex:0 0 calc((100% - 48px)/4);height:205px;border-radius:2px}
.carousel-controls{display:flex;align-items:center;gap:8px}
.app-prev,.app-next{width:34px;height:34px;border:1px solid #d7d3c8;background:#fff;cursor:pointer;font-size:24px;line-height:1;color:#6d5415}
.app-prev:hover,.app-next:hover{background:#fff6dc;border-color:#d7a71c}
.partner-item{min-width:150px;height:68px;padding:12px 18px;border:1px solid #e1ded5;background:#fff;display:flex;align-items:center;justify-content:center;text-align:center;color:#4c5564;letter-spacing:.02em}
.partner-item img{max-height:42px;max-width:120px;filter:grayscale(1);opacity:.72;transition:.2s}
.partner-item:hover img{filter:none;opacity:1}
.partner-item strong{font-size:16px}
.page-hero{background:linear-gradient(90deg,#3a3d43,#646159)}
.inner{background:var(--old-bg)}
@media(max-width:980px){
 .nav{top:88px}.logo{width:155px;height:70px}.logo img{width:150px;height:68px}.hero{height:420px}.home-category-grid,.category-overview{grid-template-columns:repeat(2,1fr)}.app-card{flex-basis:calc((100% - 16px)/2)}.product-dropdown{min-width:0;display:block}.product-menu-top{background:transparent!important}.product-menu-child{padding-left:28px!important}
}
@media(max-width:620px){
 .nav-wrap{height:78px}.nav{top:78px}.logo{width:138px;height:64px}.logo img{width:134px;height:62px}.hero{height:380px}.hero h1{font-size:25px}.hero p{font-size:14px}.hero-copy{padding-right:12px}.hero-actions .btn{min-height:40px;font-size:13px}.trust-single{font-size:14px;padding:14px 12px}.home-category-grid,.category-overview{grid-template-columns:1fr 1fr;gap:12px}.home-category-img,.category-image{height:150px;padding:10px}.home-category-body,.category-info{padding:12px}.home-category-body h3,.category-info h3{font-size:16px}.home-category-body p,.category-info p{font-size:11px;min-height:52px}.app-card{flex-basis:82%;height:190px}.carousel-controls .more{display:none}.partner-item{min-width:130px;height:58px}.section{padding:48px 0}
}