:root{
  --primary:#FF7A1A;
  --primary-dark:#E8680A;
  --primary-light:#FFF1E6;
  --text:#222;
  --text-sub:#666;
  --bg:#fff;
  --bg-gray:#F7F7F7;
  --border:#eee;
  --radius:12px;
  --shadow:0 2px 12px rgba(0,0,0,.06);
  --shadow-hover:0 6px 20px rgba(255,122,26,.18);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--text);background:var(--bg);line-height:1.6}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
ul,ol{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.btn{display:inline-flex;align-items:center;gap:6px;padding:10px 22px;border-radius:999px;font-size:15px;font-weight:600;cursor:pointer;border:none;transition:.2s}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);box-shadow:var(--shadow-hover)}
.btn-outline{background:#fff;color:var(--primary);border:1.5px solid var(--primary)}
.btn-outline:hover{background:var(--primary-light)}
.btn-ghost{background:#fff;color:var(--text-sub);border:1px solid var(--border)}
.tag{display:inline-block;padding:2px 10px;border-radius:6px;font-size:12px;background:var(--primary-light);color:var(--primary)}

/* 顶部公告栏 */
.topbar{background:var(--primary);color:#fff;font-size:13px;text-align:center;padding:7px 12px}
.topbar a{text-decoration:underline}

/* 导航 */
.header{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;height:66px;gap:28px}
.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;color:var(--primary);flex-shrink:0}
.logo .logo-icon{width:36px;height:36px;border-radius:9px;background:linear-gradient(135deg,var(--primary),#FFB067);display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;font-weight:800}
.logo .sub{font-size:11px;font-weight:500;color:var(--text-sub);display:block;line-height:1}
.nav-links{display:flex;gap:4px;flex:1;overflow-x:auto}
.nav-links a{padding:8px 14px;border-radius:8px;font-size:15px;color:var(--text);white-space:nowrap;transition:.15s}
.nav-links a:hover,.nav-links a.active{background:var(--primary-light);color:var(--primary)}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.search-box{display:flex;align-items:center;background:var(--bg-gray);border-radius:999px;padding:0 14px;height:40px}
.search-box input{border:none;outline:none;background:transparent;font-size:14px;width:150px}
.search-box svg{color:var(--text-sub)}

/* Hero */
.hero{background:linear-gradient(120deg,#FFF7EF 0%,#FFE8D1 100%);padding:60px 0 70px}
.hero-inner{display:flex;align-items:center;gap:50px}
.hero-text{flex:1}
.hero-text h1{font-size:40px;line-height:1.25;font-weight:800;margin-bottom:16px}
.hero-text h1 .hl{color:var(--primary)}
.hero-text p{font-size:17px;color:var(--text-sub);margin-bottom:28px;max-width:540px}
.hero-btns{display:flex;gap:14px}
.hero-stats{display:flex;gap:36px;margin-top:36px}
.hero-stats .num{font-size:28px;font-weight:800;color:var(--primary)}
.hero-stats .label{font-size:13px;color:var(--text-sub)}
.hero-img{flex:1;display:flex;justify-content:center}
.hero-img img{max-height:340px;border-radius:16px;box-shadow:0 20px 50px rgba(0,0,0,.12)}

/* 分类导航 */
.cat-nav{background:#fff;border-bottom:1px solid var(--border);position:sticky;top:66px;z-index:99}
.cat-nav-inner{display:flex;gap:6px;overflow-x:auto;padding:12px 0}
.cat-nav-inner .chip{padding:8px 18px;border-radius:999px;font-size:14px;background:var(--bg-gray);cursor:pointer;white-space:nowrap;border:1px solid transparent;transition:.15s}
.cat-nav-inner .chip:hover{border-color:var(--primary);color:var(--primary)}
.cat-nav-inner .chip.active{background:var(--primary);color:#fff}

/* 区块标题 */
.section{padding:50px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:28px}
.section-head h2{font-size:26px;font-weight:800}
.section-head .more{color:var(--primary);font-size:14px}
.section-head .desc{color:var(--text-sub);font-size:14px;margin-top:4px}

/* 产品网格（商城式卡片） */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:22px}
.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:.22s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--primary)}
.card .thumb{position:relative;aspect-ratio:4/5;overflow:hidden;background:var(--bg-gray)}
.card .thumb img{width:100%;height:100%;object-fit:cover;transition:.3s}
.card:hover .thumb img{transform:scale(1.05)}
.card .thumb .badge{position:absolute;top:10px;left:10px;background:var(--primary);color:#fff;font-size:11px;padding:2px 8px;border-radius:4px}
.card .body{padding:14px 16px 16px;display:flex;flex-direction:column;flex:1}
.card .body h3{font-size:16px;font-weight:700;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.card .specs{font-size:12px;color:var(--text-sub);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:8px}
.card .body .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:8px}
.card .price{font-size:18px;font-weight:800;color:var(--primary);white-space:nowrap}
.card .price small{font-size:12px;margin-right:1px}
.card .consult-btn{flex:1;text-align:center;padding:8px 0;border-radius:8px;background:var(--primary);color:#fff;font-size:13px;font-weight:600}
.card .consult-btn:hover{background:var(--primary-dark)}

/* 详情页 */
.breadcrumb{font-size:13px;color:var(--text-sub);padding:16px 0}
.breadcrumb a{color:var(--text-sub)}
.breadcrumb a:hover{color:var(--primary)}
.detail{display:flex;gap:40px;padding:10px 0 60px}
.detail-img{flex:1;max-width:480px}
.detail-img img{border-radius:16px;box-shadow:var(--shadow)}
.detail-info{flex:1}
.detail-info h1{font-size:28px;font-weight:800;margin:10px 0}
.detail-info .meta{display:flex;gap:8px;margin-bottom:16px}
.detail-info .spec-table{width:100%;border-collapse:collapse;margin:16px 0;font-size:14px}
.detail-info .spec-table td{padding:10px 12px;border-bottom:1px solid var(--border)}
.detail-info .spec-table td:first-child{color:var(--text-sub);width:90px;white-space:nowrap}
.consult-panel{background:var(--primary-light);border-radius:var(--radius);padding:20px;margin-top:20px}
.consult-panel .t{font-weight:700;margin-bottom:6px}
.consult-panel .phones{display:flex;flex-wrap:wrap;gap:10px;margin:10px 0}
.consult-panel .phone{background:#fff;padding:6px 14px;border-radius:8px;font-weight:700;color:var(--primary)}

/* 新闻 */
.news-list{display:flex;flex-direction:column;gap:16px}
.news-item{display:flex;gap:20px;padding:20px;border:1px solid var(--border);border-radius:var(--radius);transition:.2s}
.news-item:hover{border-color:var(--primary);box-shadow:var(--shadow)}
.news-date{flex-shrink:0;text-align:center;background:var(--primary);color:#fff;border-radius:10px;padding:8px 0;width:64px;height:64px;display:flex;flex-direction:column;justify-content:center}
.news-date .d{font-size:22px;font-weight:800;line-height:1}
.news-date .m{font-size:12px}
.news-body h3{font-size:17px;font-weight:700;margin-bottom:6px}
.news-body p{font-size:14px;color:var(--text-sub)}

/* 咨询页 / 关于 */
.about-grid{display:flex;gap:40px}
.about-text{flex:1;font-size:15px;color:var(--text-sub)}
.about-text h3{margin:20px 0 8px;color:var(--text);font-size:18px}
.contact-card{flex-shrink:0;width:340px;background:var(--primary-light);border-radius:16px;padding:28px}
.contact-card .row{display:flex;align-items:center;gap:10px;margin-bottom:14px;font-size:15px}
.contact-card .row b{color:var(--primary)}

/* 页脚 */
.footer{background:#2B2B2B;color:#bbb;padding:50px 0 0;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:40px;padding-bottom:40px}
.footer h4{color:#fff;font-size:16px;margin-bottom:16px}
.footer .logo{color:#fff}
.footer p{font-size:14px;line-height:1.8}
.footer a{display:block;font-size:14px;margin-bottom:10px;color:#bbb}
.footer a:hover{color:var(--primary)}
.footer .phone{color:var(--primary);font-weight:700;font-size:18px}
.footer-bottom{border-top:1px solid #3a3a3a;padding:18px 0;text-align:center;font-size:13px;color:#777}

/* 弹窗 */
.modal{position:fixed;inset:0;background:rgba(0,0,0,.5);display:none;align-items:center;justify-content:center;z-index:200}
.modal.show{display:flex}
.modal-box{background:#fff;border-radius:16px;padding:30px;width:90%;max-width:400px;text-align:center}
.modal-box h3{font-size:20px;margin-bottom:8px}
.modal-box .qrcode{width:180px;height:180px;background:var(--bg-gray);margin:16px auto;border-radius:12px;display:flex;align-items:center;justify-content:center;color:var(--text-sub);font-size:13px}
.modal-box .phones{margin:12px 0}
.modal-box .phone-item{font-size:18px;font-weight:700;color:var(--primary);margin:6px 0}
.modal-box .close{margin-top:12px;color:var(--text-sub);font-size:13px;cursor:pointer}

/* 返回顶部 */
.backtop{position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:50%;background:var(--primary);color:#fff;display:none;align-items:center;justify-content:center;cursor:pointer;box-shadow:var(--shadow);z-index:150}

/* ============ 商城式布局（左侧菜单 + 右侧商品区） ============ */
.mall-layout{display:flex;gap:24px;padding:24px 0}
.mall-side{flex-shrink:0;width:240px;position:sticky;top:86px;align-self:flex-start;max-height:calc(100vh - 100px);overflow-y:auto}
.mall-side::-webkit-scrollbar{width:0}
.mall-menu{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.mall-menu .menu-title{font-size:15px;font-weight:800;color:#fff;background:var(--primary);padding:13px 18px}
.mall-menu .menu-item{display:flex;align-items:center;justify-content:space-between;padding:11px 16px;font-size:14px;color:var(--text);border-bottom:1px solid var(--bg-gray);cursor:pointer;transition:.15s;user-select:none}
.mall-menu .menu-item:last-child{border-bottom:none}
.mall-menu .menu-item:hover{background:var(--primary-light);color:var(--primary)}
.mall-menu .menu-item.active{background:var(--primary-light);color:var(--primary);font-weight:700;border-left:3px solid var(--primary)}
.mall-menu .menu-item .cnt{font-size:12px;color:var(--text-sub);background:var(--bg-gray);padding:1px 8px;border-radius:999px}
.mall-menu .menu-item.active .cnt{background:var(--primary);color:#fff}
.mall-menu .menu-item .arrow{font-size:10px;color:var(--text-sub);transition:transform .2s;margin-left:6px}
.mall-menu .menu-item.open .arrow{transform:rotate(90deg)}
/* 树形二级子项 */
.mall-menu .sub-list{display:none;background:var(--bg-gray);border-bottom:1px solid var(--border)}
.mall-menu .sub-list.open{display:block}
.mall-menu .sub-item{display:block;padding:8px 16px 8px 34px;font-size:13px;color:var(--text-sub);cursor:pointer;transition:.12s;border-left:3px solid transparent;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mall-menu .sub-item:hover{background:#fff;color:var(--primary)}
.mall-menu .sub-item.active{color:var(--primary);background:#fff;border-left-color:var(--primary);font-weight:600}
.mall-side .consult-box{margin-top:14px;background:var(--primary-light);border-radius:var(--radius);padding:16px}
.mall-side .consult-box .t{font-weight:700;font-size:14px;margin-bottom:6px}
.mall-side .consult-box .p{font-size:13px;color:var(--primary);font-weight:700;line-height:1.7}

.mall-main{flex:1;min-width:0}
/* 分类入口（首页右侧，8 大系列卡片） */
.cat-showcase{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:26px}
.cat-card{display:flex;flex-direction:column;align-items:center;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:16px 12px;text-align:center;transition:.18s;overflow:hidden}
.cat-card:hover{transform:translateY(-3px);box-shadow:0 8px 24px rgba(0,0,0,.08);border-color:var(--primary)}
.cat-card .cat-img{width:100%;height:120px;overflow:hidden;border-radius:8px;background:var(--bg-gray)}
.cat-card .cat-img img{width:100%;height:100%;object-fit:cover;transition:.25s}
.cat-card:hover .cat-img img{transform:scale(1.06)}
.cat-card .cat-name{font-size:15px;font-weight:700;color:var(--text);margin-top:12px}
.cat-card .cat-cnt{font-size:12px;color:var(--text-sub);margin-top:4px}
/* 热门推荐标题栏 */
.hot-head{display:flex;align-items:center;justify-content:space-between;margin:8px 0 18px}
.hot-head .hot-title{font-size:20px;font-weight:800}
.hot-head .more{color:var(--primary);font-size:14px}
/* 首页 Banner（仿果老板：大字 slogan + 右侧 promo 双卡） */
.home-banner{margin-bottom:18px}
.banner-row{display:grid;grid-template-columns:minmax(0,1fr) 230px;gap:14px}
.banner{position:relative;overflow:hidden;border-radius:var(--radius);padding:38px 36px;min-height:240px;background:linear-gradient(135deg,#C95D0A 0%,#FF7A1A 55%,#FF9A3D 100%);color:#fff;display:flex;align-items:center}
.banner-bg span{position:absolute;border-radius:50%;pointer-events:none}
.banner-bg span:first-child{width:300px;height:300px;right:-80px;top:-120px;background:radial-gradient(circle,rgba(255,255,255,.18),transparent 70%)}
.banner-bg span:last-child{width:220px;height:220px;left:-90px;bottom:-120px;background:radial-gradient(circle,rgba(255,255,255,.15),transparent 70%)}
.banner-text{position:relative}
.banner-tag{font-size:13px;font-weight:700;color:#FFE0BE;margin-bottom:12px;letter-spacing:.06em}
.banner h2{font-size:clamp(24px,2.8vw,32px);font-weight:800;line-height:1.28;margin-bottom:12px;letter-spacing:-.01em}
.banner h2 span{color:#FFF3E0}
.banner-text > p{color:rgba(255,255,255,.88);font-size:15px;margin-bottom:22px}
.banner-cta{display:flex;gap:12px;flex-wrap:wrap}
.banner-cta .btn-primary{background:#fff;color:var(--primary)}
.banner-cta .btn-primary:hover{background:var(--primary-light);color:var(--primary-dark);box-shadow:none}
.banner-cta .btn-outline{background:rgba(255,255,255,.15);color:#fff;border:1.5px solid rgba(255,255,255,.5)}
.banner-cta .btn-outline:hover{background:rgba(255,255,255,.28)}
.promo-stack{display:flex;flex-direction:column;gap:14px}
.promo{flex:1;border-radius:var(--radius);padding:22px 20px;display:flex;flex-direction:column;justify-content:center;color:#fff;position:relative;overflow:hidden}
.promo-ico{font-size:26px;line-height:1;margin-bottom:12px}
.promo b{font-size:17px;font-weight:800;margin-bottom:4px}
.promo span{font-size:13px;color:rgba(255,255,255,.85)}
.promo-a{background:linear-gradient(140deg,#D9730C,#FF7A1A)}
.promo-b{background:linear-gradient(140deg,#E8680A,#B44A05)}
/* 服务保障条 */
.home-featbar{margin-bottom:18px}
.featbar{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--border);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.featbar li{display:flex;align-items:center;gap:12px;background:#fff;padding:16px 20px}
.featbar .fi{font-size:24px;line-height:1;flex:none}
.featbar b{display:block;font-size:14.5px;font-weight:700}
.featbar span{font-size:12.5px;color:var(--text-sub)}
/* 首页通用 block 容器（定制流程 / FAQ） */
.home-block{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px;margin-bottom:18px}
.block-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding-bottom:14px;margin-bottom:18px;border-bottom:2px solid var(--primary-light)}
.block-head h2{font-size:20px;font-weight:800;display:flex;align-items:center;gap:9px}
.block-head h2::before{content:"";width:4px;height:19px;border-radius:3px;background:var(--primary)}
.result-count{font-size:13.5px;color:var(--text-sub)}
/* 定制流程 */
.steps{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.steps li{background:var(--bg-gray);border:1px solid var(--border);border-radius:12px;padding:22px 20px;transition:background .2s,border-color .2s}
.steps li:hover{background:#fff;border-color:var(--primary)}
.step-num{font-size:30px;font-weight:800;line-height:1;display:block;margin-bottom:12px;background:linear-gradient(135deg,var(--primary),#B44A05);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.steps h3{font-size:16.5px;font-weight:700;margin-bottom:6px}
.steps p{font-size:13.5px;color:var(--text-sub)}
/* FAQ */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.faq-grid details{background:var(--bg-gray);border:1px solid var(--border);border-radius:11px;padding:0 18px;transition:border-color .18s}
.faq-grid details[open]{border-color:var(--primary);background:#fff}
.faq-grid summary{cursor:pointer;list-style:none;font-weight:700;font-size:15px;padding:15px 0;display:flex;justify-content:space-between;align-items:center;gap:12px}
.faq-grid summary::after{content:"+";color:var(--primary);font-size:20px;font-weight:600;flex:none}
.faq-grid details[open] summary::after{content:"−"}
.faq-grid p{color:var(--text-sub);font-size:13.5px;padding:0 0 15px}
/* 联系我们 */
.home-contact{margin-bottom:18px}
.contact-box{display:grid;grid-template-columns:1fr 1fr;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--border)}
.contact-info{background:radial-gradient(500px 240px at 90% -20%,rgba(255,255,255,.18),transparent 60%),linear-gradient(150deg,#C95D0A,#FF7A1A);color:#fff;padding:38px 34px;display:flex;flex-direction:column;justify-content:center}
.contact-info h2{font-size:24px;font-weight:800;margin-bottom:10px}
.contact-info p{color:rgba(255,255,255,.85);font-size:14.5px}
.contact-phone{display:inline-block;font-size:30px;font-weight:800;color:#fff;margin:20px 0 8px;letter-spacing:.5px}
.contact-phone:hover{color:#FFE0BE}
.contact-person,.contact-addr{color:rgba(255,255,255,.78)!important;font-size:13.5px!important}
.contact-form{background:#fff;padding:38px 34px}
.field{margin-bottom:15px}
.field label{display:block;font-size:12.5px;font-weight:700;color:var(--text-sub);margin-bottom:7px}
.fake-input{display:flex;align-items:center;height:42px;padding:0 14px;border:1.5px solid var(--border);border-radius:8px;font-size:13.5px;color:var(--text-sub);background:#FAFBFB}
.fake-area{height:80px;align-items:flex-start;padding-top:12px}
/* 分类楼层 */
.home-floors{margin-top:26px}
.floor{margin-bottom:34px}
.floor-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:18px;padding-bottom:12px;border-bottom:2px solid var(--primary-light)}
.floor-title{font-size:20px;font-weight:800;display:flex;align-items:center;gap:9px}
.floor-title::before{content:"";width:4px;height:19px;border-radius:3px;background:var(--primary)}
.floor-sub{font-size:13px;font-weight:400;color:var(--text-sub);margin-left:4px}
.floor-head .more{color:var(--primary);font-size:13px}
.mall-toolbar{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:18px;flex-wrap:wrap}
.mall-toolbar .crumb{font-size:15px;font-weight:700}
.mall-toolbar .crumb span{color:var(--text-sub);font-weight:400;font-size:13px}
.mall-toolbar .toolbar-right{display:flex;align-items:center;gap:10px}
.mall-toolbar .sort{display:flex;gap:6px}
.mall-toolbar .sort .s{font-size:13px;padding:6px 14px;border-radius:999px;background:var(--bg-gray);cursor:pointer;border:1px solid transparent}
.mall-toolbar .sort .s.active{background:var(--primary);color:#fff}

@media(max-width:768px){
  .nav-links{display:none}
  .hero-inner{flex-direction:column;gap:30px}
  .hero-text h1{font-size:30px}
  .detail{flex-direction:column}
  .detail-img{max-width:100%}
  .footer-grid{grid-template-columns:1fr 1fr}
  .about-grid{flex-direction:column}
  .contact-card{width:100%}
  .search-box input{width:100px}
  .mall-layout{flex-direction:column}
  .mall-side{width:100%;position:static;max-height:none}
  .mall-menu{display:flex;overflow-x:auto}
  .mall-menu .menu-title{display:none}
  .mall-menu .menu-item{flex-shrink:0;border-bottom:none;border-right:1px solid var(--bg-gray)}
  .cat-showcase{grid-template-columns:repeat(2,1fr)}
  .banner-row{grid-template-columns:1fr}
  .promo-stack{flex-direction:row}
  .featbar{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .faq-grid{grid-template-columns:1fr}
  .contact-box{grid-template-columns:1fr}
}
@media(max-width:560px){
  .featbar,.steps{grid-template-columns:1fr}
  .promo-stack{flex-direction:column}
  .banner{padding:26px 20px;min-height:auto}
  .contact-info,.contact-form{padding:28px 22px}
}