@charset "utf-8";
/* ==========================================================================
   企业官网通用响应式样式
   断点体系：
     -> 1440px 以上   大屏
     1200-1440        标准 PC
     992-1199         小窗口 PC / 横屏平板
     768-991          竖屏平板
     576-767          大屏手机
     < 576            小屏手机
   主题色由 PHP 注入 CSS 变量（--primary / --secondary / --radius）
   ========================================================================== */

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent;scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Helvetica,Arial,sans-serif;font-size:15px;line-height:1.75;color:#333;background:#fff;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,h5,h6,p,figure,ul,ol,dl,dd,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color .25s,background-color .25s,border-color .25s,opacity .25s}
a:hover{color:var(--primary)}
img{max-width:100%;height:auto;border:0;vertical-align:middle}
button,input,select,textarea{font-family:inherit;font-size:inherit;outline:none}
button{cursor:pointer;border:0;background:none;padding:0}
table{border-collapse:collapse;border-spacing:0;width:100%}
em,i{font-style:normal}
time{font-style:normal}
svg.ico{width:14px;height:14px;fill:currentColor;vertical-align:-1px;margin-right:4px}

:root{
  --primary:#0b63e5;
  --primary-rgb:11,99,229;
  --secondary:#17b26a;
  --dark:#0d1b2a;
  --radius:8px;
  --gray-1:#f7f9fc;
  --gray-2:#eef2f7;
  --gray-3:#dee5ee;
  --text-1:#1a2433;
  --text-2:#4a5768;
  --text-3:#8794a6;
  --line:#e6ebf2;
  --shadow-sm:0 2px 8px rgba(16,30,54,.06);
  --shadow-md:0 6px 24px rgba(16,30,54,.09);
  --shadow-lg:0 14px 44px rgba(16,30,54,.13);
  --wrap:1240px;
  --gap:24px;
  --header-h:76px;
}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}
.hide-sm{display:inline-flex}
.img-ph{display:block;width:100%;height:100%;background:linear-gradient(135deg,var(--gray-1),var(--gray-3))}
body{overflow-x:hidden}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:0 24px;height:44px;line-height:1;border-radius:var(--radius);font-size:15px;font-weight:500;border:1px solid transparent;white-space:nowrap;transition:all .25s;text-align:center}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 14px rgba(var(--primary-rgb),.28)}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 8px 22px rgba(var(--primary-rgb),.34)}
.btn-outline{border-color:var(--line);color:var(--text-1);background:#fff}
.btn-outline:hover{border-color:var(--primary);color:var(--primary)}
.btn-ghost{background:rgba(255,255,255,.16);color:#fff;border-color:rgba(255,255,255,.34)}
.btn-ghost:hover{background:rgba(255,255,255,.26);color:#fff}
.btn-sm{height:36px;padding:0 18px;font-size:14px}
.btn-lg{height:50px;padding:0 34px;font-size:16px}
.btn-block{width:100%}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--dark);color:rgba(255,255,255,.78);font-size:13px;height:40px;line-height:40px}
.topbar-in{display:flex;align-items:center;justify-content:space-between}
.topbar-l,.topbar-r{display:flex;align-items:center;gap:22px;min-width:0}
.tb-item{display:inline-flex;align-items:center;gap:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:280px}
.tb-item svg.ico{fill:rgba(255,255,255,.55)}
.tb-link:hover{color:#fff}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:900;background:#fff;box-shadow:0 1px 0 var(--line);transition:box-shadow .3s,height .3s}
.site-header.is-sticky{box-shadow:var(--shadow-md)}
.header-in{display:flex;align-items:center;height:var(--header-h);gap:28px}
.logo{display:flex;align-items:center;flex-shrink:0;max-height:56px}
.logo img{max-height:52px;width:auto}
.logo-text{font-size:24px;font-weight:800;color:var(--dark);letter-spacing:.5px;white-space:nowrap}

.main-nav{flex:1;min-width:0}
.nav-list{display:flex;align-items:center;gap:4px}
.nav-item{position:relative}
.nav-a{display:flex;align-items:center;gap:4px;height:var(--header-h);padding:0 16px;font-size:16px;font-weight:500;color:var(--text-1);white-space:nowrap;position:relative}
.nav-a::after{content:"";position:absolute;left:16px;right:16px;bottom:18px;height:2px;background:var(--primary);transform:scaleX(0);transition:transform .28s;border-radius:2px}
.nav-item:hover>.nav-a,.nav-item.active>.nav-a{color:var(--primary)}
.nav-item:hover>.nav-a::after,.nav-item.active>.nav-a::after{transform:scaleX(1)}
.arrow{width:0;height:0;border:4px solid transparent;border-top-color:currentColor;margin-top:3px;transition:transform .25s}
.nav-item:hover .arrow{transform:rotate(180deg)}

/* 二级下拉 */
.sub-nav{position:absolute;top:100%;left:50%;transform:translate(-50%,10px);min-width:190px;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:8px 0;opacity:0;visibility:hidden;transition:all .26s;border-top:3px solid var(--primary)}
.nav-item:hover .sub-nav{opacity:1;visibility:visible;transform:translate(-50%,0)}
.sub-nav ul{max-height:70vh;overflow-y:auto}
.sub-nav li a{display:block;padding:11px 22px;font-size:14.5px;color:var(--text-2);white-space:nowrap}
.sub-nav li a:hover{background:var(--gray-1);color:var(--primary);padding-left:26px}

.header-right{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-toggle{display:none;width:44px;height:44px;flex-direction:column;justify-content:center;align-items:center;gap:5px;border-radius:8px}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--text-1);border-radius:2px;transition:all .3s}
.nav-toggle.on span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.on span:nth-child(2){opacity:0}
.nav-toggle.on span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-mask{position:fixed;inset:0;background:rgba(10,20,35,.5);z-index:890;opacity:0;visibility:hidden;transition:.3s}
.nav-mask.on{opacity:1;visibility:visible}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--gray-1)}
.swiper{position:relative}
.swiper-track{position:relative}
.swiper-slide{display:none;position:relative}
.swiper-slide.active{display:block;animation:fadeIn .6s}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.hero-img{width:100%;display:block;object-fit:cover;max-height:600px;min-height:320px}
.hero-text{position:absolute;inset:0;display:flex;align-items:center;pointer-events:none}
.hero-text .wrap{pointer-events:auto}
.hero-title{font-size:46px;font-weight:800;color:#fff;line-height:1.24;margin-bottom:16px;text-shadow:0 2px 20px rgba(0,0,0,.28);max-width:660px}
.hero-sub{font-size:18px;color:rgba(255,255,255,.92);margin-bottom:30px;max-width:560px;text-shadow:0 1px 10px rgba(0,0,0,.24)}
.hero-btn{box-shadow:0 8px 26px rgba(0,0,0,.24)}
.hero-plain{background:linear-gradient(120deg,var(--primary),var(--secondary));color:#fff;padding:100px 0}
.hero-plain-in h1{font-size:42px;font-weight:800;margin-bottom:14px}
.hero-plain-in p{font-size:17px;opacity:.92;max-width:640px}
.swiper-dots{position:absolute;left:0;right:0;bottom:22px;display:flex;justify-content:center;gap:10px;z-index:5}
.swiper-dots .dot{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.55);transition:.3s}
.swiper-dots .dot.active{width:26px;border-radius:6px;background:#fff}
.swiper-arrow{position:absolute;top:50%;transform:translateY(-50%);width:46px;height:46px;border-radius:50%;background:rgba(255,255,255,.2);backdrop-filter:blur(6px);z-index:5;transition:.3s}
.swiper-arrow::before{content:"";position:absolute;top:50%;left:50%;width:10px;height:10px;border-top:2px solid #fff;border-left:2px solid #fff}
.swiper-arrow.prev{left:28px}
.swiper-arrow.prev::before{transform:translate(-30%,-50%) rotate(-45deg)}
.swiper-arrow.next{right:28px}
.swiper-arrow.next::before{transform:translate(-70%,-50%) rotate(135deg)}
.swiper-arrow:hover{background:var(--primary)}

/* ---------- 通用区块 ---------- */
.sec{padding:76px 0}
.sec:nth-of-type(even){background:var(--gray-1)}
.sec-hd{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:44px}
.sec-title{font-size:32px;font-weight:800;color:var(--text-1);line-height:1.3;position:relative;padding-bottom:14px}
.sec-title::after{content:"";position:absolute;left:0;bottom:0;width:52px;height:4px;background:var(--primary);border-radius:2px}
.sec-sub{font-size:15px;color:var(--text-3);margin-top:10px}
.sec-more{font-size:15px;color:var(--text-3);display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.sec-more i{transition:transform .25s}
.sec-more:hover{color:var(--primary)}
.sec-more:hover i{transform:translateX(4px)}

/* ---------- 优势 ---------- */
.adv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap)}
.adv-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px 26px;text-align:center;transition:.3s}
.adv-item:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:transparent}
.adv-ico{width:60px;height:60px;margin:0 auto 18px;border-radius:16px;background:rgba(var(--primary-rgb),.09);display:flex;align-items:center;justify-content:center;transition:.3s}
.adv-ico svg{width:28px;height:28px;fill:var(--primary)}
.adv-ico img{width:30px;height:30px;object-fit:contain}
.adv-item:hover .adv-ico{background:var(--primary)}
.adv-item:hover .adv-ico svg{fill:#fff}
.adv-item h3{font-size:18px;font-weight:700;color:var(--text-1);margin-bottom:10px}
.adv-item p{font-size:14px;color:var(--text-3);line-height:1.7}

/* ---------- 产品卡片 ---------- */
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap)}
.prod-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.32s}
.prod-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.prod-img{position:relative;padding-top:74%;background:var(--gray-1);overflow:hidden}
.prod-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s}
.prod-card:hover .prod-img img{transform:scale(1.06)}
.prod-tag{position:absolute;top:12px;left:12px;background:var(--primary);color:#fff;font-size:12px;padding:3px 10px;border-radius:20px;z-index:2}
.prod-body{padding:20px;flex:1;display:flex;flex-direction:column}
.prod-name{font-size:17px;font-weight:700;color:var(--text-1);margin-bottom:9px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.45}
.prod-card:hover .prod-name{color:var(--primary)}
.prod-desc{font-size:13.5px;color:var(--text-3);line-height:1.7;flex:1;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:14px}
.prod-foot{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--gray-2);padding-top:13px;margin-top:auto}
.prod-price{font-size:17px;font-weight:700;color:#e8502a}
.prod-btn{font-size:13.5px;color:var(--primary);display:inline-flex;align-items:center;gap:4px}
.prod-btn i{transition:transform .25s}
.prod-card:hover .prod-btn i{transform:translateX(3px)}

/* ---------- 首页新闻 ---------- */
.news-layout{display:grid;grid-template-columns:1fr 1fr;gap:32px}
.news-feature{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.3s}
.news-feature:hover{box-shadow:var(--shadow-md);transform:translateY(-4px)}
.nf-img{position:relative;padding-top:56%;background:var(--gray-1);overflow:hidden}
.nf-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s}
.news-feature:hover .nf-img img{transform:scale(1.05)}
.nf-body{padding:24px}
.nf-cat{display:inline-block;font-size:12px;color:var(--primary);background:rgba(var(--primary-rgb),.09);padding:3px 10px;border-radius:4px;margin-bottom:12px}
.nf-body h3{font-size:20px;font-weight:700;color:var(--text-1);margin-bottom:10px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-feature:hover .nf-body h3{color:var(--primary)}
.nf-body p{font-size:14px;color:var(--text-3);line-height:1.72;margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.nf-body time{font-size:13px;color:var(--text-3)}
.news-list{display:flex;flex-direction:column;gap:14px}
.nl-item a{display:flex;gap:18px;padding:18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);transition:.3s}
.nl-item a:hover{box-shadow:var(--shadow-sm);border-color:rgba(var(--primary-rgb),.4);transform:translateX(4px)}
.nl-date{flex-shrink:0;width:64px;text-align:center;border-right:1px solid var(--gray-2);padding-right:14px;display:flex;flex-direction:column;justify-content:center}
.nl-date b{display:block;font-size:26px;font-weight:800;color:var(--primary);line-height:1.1}
.nl-date span{font-size:12px;color:var(--text-3)}
.nl-txt{flex:1;min-width:0}
.nl-txt h4{font-size:16px;font-weight:600;color:var(--text-1);margin-bottom:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nl-item a:hover .nl-txt h4{color:var(--primary)}
.nl-txt p{font-size:13.5px;color:var(--text-3);line-height:1.65;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- 内页 Hero ---------- */
.page-hero{background:linear-gradient(120deg,var(--dark),var(--primary));color:#fff;padding:62px 0 58px;text-align:center;position:relative;overflow:hidden}
.page-hero::after{content:"";position:absolute;right:-80px;top:-80px;width:300px;height:300px;border-radius:50%;background:rgba(255,255,255,.06)}
.page-hero-sm{padding:44px 0}
.ph-title{font-size:34px;font-weight:800;margin-bottom:12px;position:relative;z-index:2}
.ph-sub{font-size:15px;opacity:.88;max-width:640px;margin:0 auto;position:relative;z-index:2}

/* ---------- 面包屑 ---------- */
.crumbs-bar{background:var(--gray-1);border-bottom:1px solid var(--line)}
.crumbs{display:flex;align-items:center;flex-wrap:wrap;gap:8px;height:52px;font-size:14px;color:var(--text-3)}
.crumbs a:hover{color:var(--primary)}
.crumb-sep{color:var(--gray-3)}
.crumb-cur{color:var(--text-1);font-weight:500;max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 主布局 ---------- */
.main-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:32px;padding-top:36px;padding-bottom:70px;align-items:start}
.main-col{min-width:0}
.side-col{position:sticky;top:calc(var(--header-h) + 20px)}

/* ---------- 筛选条 ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px;padding:16px 18px;background:var(--gray-1);border-radius:var(--radius)}
.fb-tag{padding:8px 18px;font-size:14px;color:var(--text-2);background:#fff;border:1px solid var(--line);border-radius:20px;transition:.25s}
.fb-tag:hover,.fb-tag.active{background:var(--primary);color:#fff;border-color:var(--primary)}

/* ---------- 新闻列表页 ---------- */
.news-page-list{display:flex;flex-direction:column;gap:18px}
.npl-link{display:flex;gap:22px;padding:20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);transition:.3s}
.npl-link:hover{box-shadow:var(--shadow-md);border-color:transparent;transform:translateY(-3px)}
.npl-img{flex-shrink:0;width:230px;height:150px;border-radius:var(--radius);overflow:hidden;background:var(--gray-1)}
.npl-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.npl-link:hover .npl-img img{transform:scale(1.06)}
.npl-body{flex:1;min-width:0;display:flex;flex-direction:column}
.npl-body h3{font-size:18px;font-weight:700;color:var(--text-1);margin-bottom:10px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.npl-link:hover .npl-body h3{color:var(--primary)}
.npl-body p{font-size:14px;color:var(--text-3);line-height:1.74;flex:1;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:12px}
.npl-meta{display:flex;gap:20px;font-size:13px;color:var(--text-3);margin-top:auto}
.npl-meta .ico{fill:var(--text-3)}

/* ---------- 产品列表页 ---------- */
.prod-page-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}

/* ---------- 分页 ---------- */
.pager{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px;margin-top:36px}
.pg-btn{display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:40px;padding:0 14px;font-size:14px;color:var(--text-2);background:#fff;border:1px solid var(--line);border-radius:var(--radius);transition:.25s}
.pg-btn:hover{border-color:var(--primary);color:var(--primary)}
.pg-cur{background:var(--primary);color:#fff;border-color:var(--primary)}
.pg-cur:hover{background:var(--primary);color:#fff}
.pg-disabled{color:var(--gray-3);cursor:not-allowed;background:var(--gray-1)}
.pg-disabled:hover{border-color:var(--line);color:var(--gray-3)}
.pg-dot{color:var(--text-3);padding:0 4px}
.pg-info{width:100%;text-align:center;font-size:13px;color:var(--text-3);margin-top:10px}

/* ---------- 详情页 ---------- */
.detail-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:36px}
.detail-hd{border-bottom:1px solid var(--gray-2);padding-bottom:22px;margin-bottom:26px}
.detail-title{font-size:27px;font-weight:800;color:var(--text-1);line-height:1.42;margin-bottom:12px}
.detail-sub{font-size:15px;color:var(--text-3);margin-bottom:14px}
.detail-meta{display:flex;flex-wrap:wrap;gap:8px 22px;font-size:13px;color:var(--text-3)}
.detail-meta .ico{fill:var(--text-3)}
.dm-cat a{color:var(--primary)}
.detail-intro{background:var(--gray-1);border-left:3px solid var(--primary);border-radius:0 var(--radius) var(--radius) 0;padding:16px 20px;font-size:14.5px;color:var(--text-2);line-height:1.8;margin-bottom:26px}
.detail-content{font-size:15.5px;line-height:1.95;color:#39424f;word-wrap:break-word;overflow-wrap:break-word}
.detail-content>*{max-width:100%}
.detail-content p{margin:0 0 18px}
.detail-content h2{font-size:21px;font-weight:700;color:var(--text-1);margin:34px 0 16px;padding-left:13px;border-left:4px solid var(--primary);line-height:1.4}
.detail-content h3{font-size:18px;font-weight:700;color:var(--text-1);margin:28px 0 14px}
.detail-content h4{font-size:16px;font-weight:700;color:var(--text-1);margin:22px 0 12px}
.detail-content img{border-radius:var(--radius);margin:12px 0;height:auto}
.detail-content ul,.detail-content ol{margin:0 0 18px;padding-left:24px}
.detail-content ul li{list-style:disc;margin-bottom:8px}
.detail-content ol li{list-style:decimal;margin-bottom:8px}
.detail-content table{width:100%;margin:18px 0;border:1px solid var(--line);font-size:14px}
.detail-content table th,.detail-content table td{border:1px solid var(--line);padding:11px 14px;text-align:left}
.detail-content table th{background:var(--gray-1);font-weight:600}
.detail-content blockquote{margin:18px 0;padding:14px 20px;background:var(--gray-1);border-left:4px solid var(--secondary);color:var(--text-2);border-radius:0 var(--radius) var(--radius) 0}
.detail-content a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.detail-content a.inner-link{color:var(--primary);font-weight:500;text-decoration:none;border-bottom:1px dashed var(--primary)}
.detail-content a.inner-link:hover{background:rgba(var(--primary-rgb),.07)}
.detail-content iframe,.detail-content video{max-width:100%;border-radius:var(--radius);margin:12px 0}
.detail-content pre{background:#1e2a3a;color:#d8e3f0;padding:16px;border-radius:var(--radius);overflow-x:auto;font-size:13.5px;margin:16px 0}
.detail-content code{font-family:Consolas,Monaco,monospace}

/* 内链区块（正文内） */
.inner-rel{margin:30px 0 0;padding-top:22px;border-top:1px dashed var(--line)}
.inner-rel-t{font-size:16px;font-weight:700;color:var(--text-1);margin-bottom:12px;padding-left:11px;border-left:3px solid var(--primary)}
.inner-rel ul{display:flex;flex-wrap:wrap;gap:10px 24px;padding:0;margin:0}
.inner-rel ul li{list-style:none;margin:0;font-size:14.5px}
.inner-rel ul li a{color:var(--text-2)}
.inner-rel ul li a:hover{color:var(--primary)}

/* 上下篇 */
.pn-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px}
.pn-item{display:flex;flex-direction:column;gap:5px;padding:16px 20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);transition:.3s;min-width:0}
.pn-item:hover{border-color:var(--primary);box-shadow:var(--shadow-sm)}
.pn-right{text-align:right}
.pn-none{opacity:.5;cursor:default}
.pn-none:hover{border-color:var(--line);box-shadow:none}
.pn-label{font-size:12.5px;color:var(--text-3)}
.pn-txt{font-size:15px;color:var(--text-1);font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pn-item:hover .pn-txt{color:var(--primary)}

/* 内链区块（独立） */
.inner-links{margin-top:26px;display:flex;flex-direction:column;gap:22px}
.il-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.il-title{font-size:18px;font-weight:700;color:var(--text-1);margin-bottom:18px;padding-left:12px;border-left:4px solid var(--primary);line-height:1.3}
.il-list{display:flex;flex-direction:column;gap:2px}
.il-list li a{display:flex;align-items:center;gap:10px;padding:11px 12px;border-radius:6px;font-size:14.5px;color:var(--text-2);transition:.24s}
.il-list li a:hover{background:var(--gray-1);color:var(--primary)}
.il-dot{flex-shrink:0;width:5px;height:5px;border-radius:50%;background:var(--gray-3);transition:.24s}
.il-list li a:hover .il-dot{background:var(--primary);transform:scale(1.4)}
.il-txt{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.il-list time{flex-shrink:0;font-size:12.5px;color:var(--text-3)}
.il-prods{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.ilp-card{display:block;border:1px solid var(--line);border-radius:var(--radius);padding:12px;transition:.3s;background:#fff}
.ilp-card:hover{border-color:var(--primary);box-shadow:var(--shadow-sm);transform:translateY(-3px)}
.ilp-img{width:100%;padding-top:72%;position:relative;background:var(--gray-1);border-radius:6px;overflow:hidden;margin-bottom:10px}
.ilp-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.ilp-card h4{font-size:14px;font-weight:600;color:var(--text-1);margin-bottom:5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ilp-card:hover h4{color:var(--primary)}
.ilp-card p{font-size:12.5px;color:var(--text-3);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0}

/* 标签 */
.detail-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:26px;padding-top:20px;border-top:1px solid var(--gray-2)}
.dt-label{font-size:14px;color:var(--text-3)}
.dt-tag{padding:5px 14px;font-size:13px;color:var(--text-2);background:var(--gray-1);border-radius:20px;transition:.24s}
.dt-tag:hover{background:var(--primary);color:#fff}

/* 分享 */
.detail-share{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:20px}
.ds-label{font-size:14px;color:var(--text-3)}
.ds-btn{padding:6px 16px;font-size:13px;border-radius:20px;color:#fff;transition:.24s}
.ds-wx{background:#2fb344}.ds-wx:hover{background:#228b36;color:#fff}
.ds-wb{background:#e6162d}.ds-wb:hover{background:#c00f24;color:#fff}
.ds-qz{background:#f7b500}.ds-qz:hover{background:#dda400;color:#fff}
.ds-copy{background:var(--text-3)}.ds-copy:hover{background:var(--text-1);color:#fff}

/* ---------- 产品详情顶部 ---------- */
.prod-top{background:var(--gray-1);padding:36px 0;border-bottom:1px solid var(--line)}
.prod-top-in{display:grid;grid-template-columns:460px minmax(0,1fr);gap:44px;align-items:start}
.prod-gallery{background:#fff;border-radius:var(--radius);padding:14px;border:1px solid var(--line)}
.pg-main{width:100%;padding-top:78%;position:relative;background:var(--gray-1);border-radius:6px;overflow:hidden}
.pg-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;transition:.3s}
.pg-thumbs{display:grid;grid-template-columns:repeat(5,1fr);gap:9px;margin-top:12px}
.pgt{padding-top:80%;position:relative;border:2px solid transparent;border-radius:6px;overflow:hidden;background:var(--gray-1);transition:.24s}
.pgt img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.pgt.active,.pgt:hover{border-color:var(--primary)}
.prod-info{padding-top:6px}
.pi-title{font-size:28px;font-weight:800;color:var(--text-1);line-height:1.38;margin-bottom:12px}
.pi-sub{font-size:15px;color:var(--text-3);margin-bottom:16px}
.pi-intro{font-size:14.5px;color:var(--text-2);line-height:1.85;margin-bottom:20px;padding:15px 18px;background:#fff;border-radius:var(--radius);border-left:3px solid var(--secondary)}
.pi-params{display:grid;grid-template-columns:repeat(2,1fr);gap:8px 20px;margin-bottom:22px}
.pi-params li{display:flex;gap:10px;font-size:14px;padding:9px 14px;background:#fff;border-radius:6px;border:1px solid var(--line);min-width:0}
.pp-name{color:var(--text-3);flex-shrink:0}
.pp-val{color:var(--text-1);font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pi-meta{display:flex;flex-wrap:wrap;gap:12px 26px;font-size:14px;color:var(--text-3);margin-bottom:24px}
.pi-price b{font-size:22px;color:#e8502a;font-weight:800}
.pi-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:18px}
.pi-crumb{font-size:13.5px;color:var(--text-3)}
.pi-crumb a{color:var(--primary)}

/* Tab */
.tab-bar{display:flex;gap:6px;border-bottom:2px solid var(--gray-2);margin-bottom:26px;overflow-x:auto;-webkit-overflow-scrolling:touch}
.tab-btn{padding:12px 24px;font-size:16px;font-weight:600;color:var(--text-3);position:relative;white-space:nowrap;transition:.25s}
.tab-btn::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--primary);transform:scaleX(0);transition:.28s}
.tab-btn.active{color:var(--primary)}
.tab-btn.active::after{transform:scaleX(1)}
.tab-pane{display:none}
.tab-pane.active{display:block;animation:fadeIn .4s}

/* 参数表 */
.param-table{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;font-size:14.5px}
.param-table tr:nth-child(even){background:var(--gray-1)}
.param-table th,.param-table td{padding:14px 20px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.param-table tr:last-child th,.param-table tr:last-child td{border-bottom:0}
.param-table th{width:180px;background:var(--gray-2);font-weight:600;color:var(--text-1);white-space:nowrap}
.param-table td{color:var(--text-2)}

/* ---------- 表单 ---------- */
.form-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px;margin-top:24px}
.form-title{font-size:20px;font-weight:700;color:var(--text-1);margin-bottom:10px;padding-left:12px;border-left:4px solid var(--primary);line-height:1.3}
.form-tip{font-size:14px;color:var(--text-3);margin-bottom:24px}
.form-tip em{color:#e8502a}
.form-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.form-item{margin-bottom:16px}
.form-item label{display:block;font-size:14px;color:var(--text-2);margin-bottom:8px;font-weight:500}
.form-item label em{color:#e8502a}
.form-item input,.form-item textarea,.form-item select{width:100%;padding:12px 16px;font-size:15px;color:var(--text-1);background:#fff;border:1px solid var(--line);border-radius:var(--radius);transition:.25s;resize:vertical}
.form-item input:focus,.form-item textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(var(--primary-rgb),.11)}
.form-item input::placeholder,.form-item textarea::placeholder{color:#b3bdca}
.form-foot{display:flex;align-items:center;flex-wrap:wrap;gap:18px;margin-top:8px}
.form-msg{font-size:14px}
.form-msg.ok{color:var(--secondary)}
.form-msg.err{color:#e8502a}

/* ---------- 留言页 ---------- */
.msg-wrap{padding-bottom:70px}
.msg-layout{display:grid;grid-template-columns:minmax(0,1fr) 350px;gap:30px;padding-top:36px;align-items:start}
.msg-layout .form-box{margin-top:0}
.msg-info-col{display:flex;flex-direction:column;gap:20px}
.mi-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.mi-title{font-size:18px;font-weight:700;color:var(--text-1);margin-bottom:20px;padding-left:12px;border-left:4px solid var(--primary);line-height:1.3}
.mi-list{display:flex;flex-direction:column;gap:18px}
.mi-list li{display:flex;gap:14px;align-items:flex-start}
.mi-ico{flex-shrink:0;width:40px;height:40px;border-radius:10px;background:rgba(var(--primary-rgb),.09);display:flex;align-items:center;justify-content:center}
.mi-ico svg{width:19px;height:19px;fill:var(--primary)}
.mi-list b{display:block;font-size:13px;color:var(--text-3);font-weight:500;margin-bottom:2px}
.mi-list p{font-size:15px;color:var(--text-1);font-weight:500;line-height:1.55;word-break:break-all}
.mi-hours{margin-top:20px;padding-top:16px;border-top:1px solid var(--gray-2);font-size:13.5px;color:var(--text-3)}
.mi-qr{text-align:center}
.mi-qr img{width:170px;height:170px;object-fit:contain;margin:0 auto 12px;display:block}
.mi-qr p{font-size:13.5px;color:var(--text-3)}
.mi-map{padding:0;overflow:hidden}
.mi-map iframe{width:100%;height:240px;display:block;border:0}

/* FAQ */
.faq-box{margin-top:34px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px}
.faq-title{font-size:20px;font-weight:700;color:var(--text-1);margin-bottom:20px;padding-left:12px;border-left:4px solid var(--primary);line-height:1.3}
.faq-list{display:flex;flex-direction:column;gap:10px}
.faq-item{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s}
.faq-item.open{border-color:rgba(var(--primary-rgb),.4)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:14px;width:100%;padding:16px 20px;font-size:15.5px;font-weight:600;color:var(--text-1);text-align:left;background:#fff}
.faq-item.open .faq-q{color:var(--primary);background:var(--gray-1)}
.faq-ico{flex-shrink:0;width:16px;height:16px;position:relative}
.faq-ico::before,.faq-ico::after{content:"";position:absolute;background:currentColor;border-radius:2px;transition:.3s}
.faq-ico::before{left:0;top:7px;width:16px;height:2px}
.faq-ico::after{left:7px;top:0;width:2px;height:16px}
.faq-item.open .faq-ico::after{transform:rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a-in{padding:0 20px 18px;font-size:14.5px;color:var(--text-2);line-height:1.85}
.faq-a-in a{color:var(--primary);text-decoration:underline}

/* ---------- 搜索 ---------- */
.search-box{margin-bottom:26px}
.search-box form{display:flex;gap:12px}
.search-box input{flex:1;padding:13px 18px;font-size:15px;border:1px solid var(--line);border-radius:var(--radius);transition:.25s}
.search-box input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(var(--primary-rgb),.11)}
.search-list{display:flex;flex-direction:column;gap:14px}
.search-list li a{display:block;padding:20px 22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);transition:.3s}
.search-list li a:hover{box-shadow:var(--shadow-sm);border-color:rgba(var(--primary-rgb),.4)}
.search-list h3{font-size:17px;font-weight:700;color:var(--text-1);margin-bottom:9px}
.search-list a:hover h3{color:var(--primary)}
.search-list h3 em{color:var(--primary);background:rgba(var(--primary-rgb),.09);padding:0 3px;border-radius:3px}
.search-list p{font-size:14px;color:var(--text-3);line-height:1.74;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.sl-meta{display:flex;gap:16px;font-size:13px;color:var(--text-3)}
.sl-type{padding:2px 10px;background:var(--gray-1);border-radius:4px;color:var(--primary)}

/* ---------- 侧栏 ---------- */
.side-col .side-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);margin-bottom:20px;overflow:hidden}
.side-col .side-box:last-child{margin-bottom:0}
.side-hd{font-size:16.5px;font-weight:700;color:var(--text-1);padding:18px 20px;border-bottom:1px solid var(--gray-2);position:relative}
.side-hd::after{content:"";position:absolute;left:20px;bottom:-1px;width:38px;height:2px;background:var(--primary)}
.side-rank{padding:10px 0}
.rank-item a{display:flex;gap:12px;align-items:center;padding:11px 20px;transition:.24s}
.rank-item a:hover{background:var(--gray-1)}
.rank-num{flex-shrink:0;width:20px;height:20px;line-height:20px;text-align:center;font-size:12px;font-weight:700;color:#fff;background:var(--text-3);border-radius:5px}
.rank-num-1{background:#e8502a}.rank-num-2{background:#f59e0b}.rank-num-3{background:#f7b500}
.rank-txt{font-size:14px;color:var(--text-2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}
.rank-item a:hover .rank-txt{color:var(--primary)}
.side-prod{padding:14px}
.sp-item+.sp-item{margin-top:14px;padding-top:14px;border-top:1px solid var(--gray-2)}
.sp-item a{display:flex;gap:12px;align-items:center}
.sp-img{flex-shrink:0;width:72px;height:56px;border-radius:6px;overflow:hidden;background:var(--gray-1)}
.sp-img img{width:100%;height:100%;object-fit:cover}
.sp-info{flex:1;min-width:0}
.sp-info h4{font-size:14px;font-weight:600;color:var(--text-1);margin-bottom:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sp-item a:hover h4{color:var(--primary)}
.sp-info p{font-size:12.5px;color:var(--text-3);line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0}
.side-contact .sc-body{padding:20px}
.sc-tip{font-size:13.5px;color:var(--text-3);line-height:1.7;margin-bottom:16px}
.sc-phone{background:var(--gray-1);border-radius:var(--radius);padding:12px 16px;margin-bottom:14px}
.sc-phone span{display:block;font-size:12px;color:var(--text-3);margin-bottom:3px}
.sc-phone b{font-size:20px;color:var(--primary);font-weight:800;letter-spacing:.3px}
.sc-line{font-size:13.5px;color:var(--text-2);margin-bottom:9px;word-break:break-all}
.side-contact .btn{margin-top:6px}

/* ---------- 空状态 ---------- */
.empty-box{text-align:center;padding:80px 20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}
.empty-box svg{width:54px;height:54px;fill:var(--gray-3);margin-bottom:16px}
.empty-box p{font-size:15px;color:var(--text-3);margin-bottom:18px}

/* ---------- 底部 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.66);margin-top:auto}
.footer-top{padding:56px 0 40px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1fr;gap:34px}
.f-col-brand{grid-column:span 1}
.f-logo{margin-bottom:18px}
.f-logo img{max-height:44px;filter:brightness(0) invert(1)}
.f-logo span{font-size:22px;font-weight:800;color:#fff}
.f-desc{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.55);margin-bottom:20px}
.f-contact p{display:flex;align-items:flex-start;gap:8px;font-size:13.5px;line-height:1.7;margin-bottom:9px}
.f-contact .ico{fill:var(--primary);flex-shrink:0;margin-top:4px}
.f-contact a:hover{color:#fff}
.f-title{font-size:16px;font-weight:700;color:#fff;margin-bottom:20px;position:relative;padding-bottom:12px}
.f-title::after{content:"";position:absolute;left:0;bottom:0;width:28px;height:2px;background:var(--primary)}
.f-links li{margin-bottom:11px}
.f-links a{font-size:13.5px;color:rgba(255,255,255,.6);display:inline-block;transition:.24s}
.f-links a:hover{color:#fff;transform:translateX(3px)}
.f-col-qr{text-align:center}
.f-qr{width:120px;height:120px;object-fit:contain;background:#fff;padding:6px;border-radius:8px;margin:0 auto 10px;display:block}
.f-qr-tip{font-size:12.5px;color:rgba(255,255,255,.5)}

/* 友链 */
.footer-links{padding:20px 0;border-bottom:1px solid rgba(255,255,255,.08);font-size:13.5px}
.footer-links .wrap{display:flex;gap:14px;align-items:flex-start;flex-wrap:wrap}
.fl-label{color:rgba(255,255,255,.5);flex-shrink:0;line-height:30px}
.fl-list{display:flex;flex-wrap:wrap;gap:8px 18px;flex:1;align-items:center}
.fl-list a{color:rgba(255,255,255,.6);display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:6px;transition:.24s}
.fl-list a:hover{color:#fff;background:rgba(255,255,255,.08)}
.fl-list img{height:20px;width:auto;object-fit:contain;background:#fff;border-radius:3px;padding:2px}

/* 备案 */
.footer-bottom{padding:18px 0}
.footer-bottom-in{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px;color:rgba(255,255,255,.5)}
.fb-copy{display:flex;align-items:center;flex-wrap:wrap;gap:8px}
.fb-copy a{color:rgba(255,255,255,.6)}
.fb-copy a:hover{color:#fff}
.fb-sep{opacity:.4}
.fb-links{display:flex;flex-wrap:wrap;gap:16px}
.fb-links a:hover{color:#fff}

/* ---------- 返回顶部 ---------- */
.back-top{position:fixed;right:24px;bottom:88px;width:46px;height:46px;border-radius:50%;background:#fff;box-shadow:var(--shadow-md);display:flex;align-items:center;justify-content:center;z-index:800;opacity:0;visibility:hidden;transform:translateY(12px);transition:.3s}
.back-top.on{opacity:1;visibility:visible;transform:translateY(0)}
.back-top:hover{background:var(--primary)}
.back-top svg{width:20px;height:20px;fill:var(--text-2)}
.back-top:hover svg{fill:#fff}

/* ---------- 移动端底栏 ---------- */
.m-bar{display:none;position:fixed;left:0;right:0;bottom:0;height:56px;background:#fff;border-top:1px solid var(--line);z-index:880;box-shadow:0 -2px 12px rgba(16,30,54,.07);padding-bottom:env(safe-area-inset-bottom)}
.m-bar .mb-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:11px;color:var(--text-3);height:56px}
.m-bar .mb-item svg{width:19px;height:19px;fill:currentColor}
.m-bar .mb-item:active{color:var(--primary)}


/* ==========================================================================
   响应式断点
   ========================================================================== */

/* --- 大屏 1600px+ --- */
@media (min-width:1600px){
  :root{--wrap:1380px}
  .hero-img{max-height:680px}
}

/* --- 小窗口 PC / 横屏平板 992-1199 --- */
@media (max-width:1199px){
  :root{--wrap:100%;--gap:20px;--header-h:68px}
  .wrap{padding:0 20px}
  .nav-a{padding:0 12px;font-size:15px}
  .adv-grid{grid-template-columns:repeat(2,1fr)}
  .prod-grid{grid-template-columns:repeat(3,1fr)}
  .prod-page-grid{grid-template-columns:repeat(2,1fr)}
  .prod-top-in{grid-template-columns:380px minmax(0,1fr);gap:30px}
  .main-layout{grid-template-columns:minmax(0,1fr) 280px;gap:24px}
  .msg-layout{grid-template-columns:minmax(0,1fr) 300px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:26px}
  .f-col-qr{grid-column:span 4;text-align:left;display:flex;align-items:center;gap:16px}
  .f-qr{margin:0;width:96px;height:96px}
  .hero-title{font-size:38px}
  .npl-img{width:190px;height:130px}
}

/* --- 竖屏平板 768-991 --- */
@media (max-width:991px){
  body{font-size:14.5px}
  :root{--header-h:62px}

  /* 导航改为抽屉 */
  .nav-toggle{display:flex}
  .header-right .header-cta{display:none}
  .main-nav{position:fixed;top:0;left:0;width:290px;max-width:82vw;height:100vh;background:#fff;z-index:895;padding:20px 0 40px;overflow-y:auto;-webkit-overflow-scrolling:touch;transform:translateX(-100%);transition:transform .32s;box-shadow:var(--shadow-lg)}
  .main-nav.on{transform:translateX(0)}
  .nav-list{flex-direction:column;align-items:stretch;gap:0;padding-top:56px}
  .nav-item{border-bottom:1px solid var(--gray-2)}
  .nav-a{height:52px;padding:0 22px;font-size:16px;justify-content:space-between}
  .nav-a::after{display:none}
  .nav-item.active>.nav-a{color:var(--primary);background:var(--gray-1)}
  .arrow{margin-right:4px}
  .nav-item.open .arrow{transform:rotate(180deg)}
  .sub-nav{position:static;transform:none;opacity:1;visibility:visible;box-shadow:none;padding:0;border:0;border-radius:0;max-height:0;overflow:hidden;transition:max-height .32s;background:var(--gray-1)}
  .nav-item.open .sub-nav{max-height:600px}
  .sub-nav li a{padding:13px 40px;font-size:14.5px}
  .sub-nav li a:hover{padding-left:44px}

  .topbar{height:34px;line-height:34px;font-size:12px}
  .hide-sm{display:none!important}
  .logo img{max-height:40px}
  .logo-text{font-size:20px}

  /* 布局 */
  .main-layout{grid-template-columns:1fr;gap:26px;padding-top:28px;padding-bottom:56px}
  .side-col{position:static}
  .msg-layout{grid-template-columns:1fr;padding-top:28px}
  .sec{padding:56px 0}
  .sec-title{font-size:26px}
  .sec-hd{margin-bottom:32px}
  .adv-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .prod-grid{grid-template-columns:repeat(2,1fr)}
  .prod-page-grid{grid-template-columns:repeat(2,1fr)}
  .news-layout{grid-template-columns:1fr;gap:22px}
  .prod-top{padding:26px 0}
  .prod-top-in{grid-template-columns:1fr;gap:26px}
  .prod-gallery{max-width:520px;margin:0 auto}
  .pi-title{font-size:23px}
  .pi-params{grid-template-columns:1fr}
  .detail-box{padding:26px}
  .detail-title{font-size:23px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .f-col-brand{grid-column:span 2}
  .f-col-qr{grid-column:span 2}
  .footer-bottom-in{flex-direction:column;align-items:flex-start;text-align:left}
  .back-top{bottom:76px;right:16px;width:42px;height:42px}
  .m-bar{display:flex}
  body{padding-bottom:56px}
  .hero-title{font-size:30px}
  .hero-sub{font-size:15.5px}
  .hero-plain-in h1{font-size:30px}
  .page-hero{padding:44px 0}
  .ph-title{font-size:26px}
  .il-prods{grid-template-columns:repeat(3,1fr)}
  .npl-link{flex-direction:column;gap:0;padding:0;overflow:hidden}
  .npl-img{width:100%;height:190px;border-radius:0}
  .npl-body{padding:18px}
  .form-row{grid-template-columns:1fr 1fr}
  .faq-box,.form-box{padding:24px}
  .crumb-cur{max-width:220px}
  .il-prods{grid-template-columns:repeat(2,1fr)}
}

/* --- 大屏手机 576-767 --- */
@media (max-width:767px){
  .wrap{padding:0 16px}
  .sec{padding:44px 0}
  .sec-title{font-size:23px}
  .sec-title::after{width:40px;height:3px}
  .sec-sub{font-size:14px}
  .sec-hd{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px}
  .adv-grid{grid-template-columns:1fr 1fr;gap:12px}
  .adv-item{padding:24px 16px}
  .adv-ico{width:50px;height:50px;margin-bottom:14px}
  .adv-item h3{font-size:16px}
  .prod-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .prod-body{padding:14px}
  .prod-name{font-size:15px}
  .prod-desc{font-size:12.5px;-webkit-line-clamp:2}
  .prod-price{font-size:15px}
  .prod-btn{font-size:12.5px}
  .hero-img{max-height:340px;min-height:200px}
  .hero-title{font-size:24px;margin-bottom:10px}
  .hero-sub{font-size:14px;margin-bottom:20px}
  .hero-btn{height:40px;padding:0 22px;font-size:14px}
  .swiper-arrow{display:none}
  .swiper-dots{bottom:14px}
  .nl-item a{padding:14px;gap:12px}
  .nl-date{width:52px;padding-right:10px}
  .nl-date b{font-size:21px}
  .nl-txt h4{font-size:15px;white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
  .page-hero{padding:34px 0}
  .ph-title{font-size:22px}
  .ph-sub{font-size:13.5px}
  .crumbs{height:auto;min-height:46px;padding:10px 0;font-size:13px}
  .crumb-cur{max-width:150px}
  .filter-bar{padding:12px;gap:8px;margin-bottom:18px}
  .fb-tag{padding:6px 14px;font-size:13px}
  .detail-box{padding:18px 16px;border-radius:0;border-left:0;border-right:0}
  .detail-title{font-size:20px}
  .detail-meta{gap:6px 14px;font-size:12.5px}
  .detail-content{font-size:15px;line-height:1.88}
  .detail-content h2{font-size:18px;margin:26px 0 14px}
  .detail-content h3{font-size:16.5px}
  .pn-nav{grid-template-columns:1fr;gap:10px}
  .pn-item{padding:13px 16px}
  .pn-right{text-align:left}
  .il-box{padding:16px;border-radius:0;border-left:0;border-right:0}
  .il-title{font-size:16.5px}
  .il-list li a{padding:10px 8px;font-size:14px}
  .il-list time{display:none}
  .il-prods{grid-template-columns:repeat(2,1fr);gap:10px}
  .ilp-card{padding:9px}
  .inner-rel ul{flex-direction:column;gap:8px}
  .prod-page-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .side-col .side-box{border-radius:0;border-left:0;border-right:0;margin-bottom:14px}
  .form-row{grid-template-columns:1fr;gap:0}
  .form-box{padding:18px 16px;border-radius:0;border-left:0;border-right:0;margin-top:16px}
  .form-title{font-size:17.5px}
  .form-item input,.form-item textarea{padding:11px 14px;font-size:15px}
  .form-foot .btn{flex:1}
  .footer-top{padding:36px 0 26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:22px 16px}
  .f-col-brand{grid-column:span 2}
  .f-title{font-size:15px;margin-bottom:14px}
  .footer-links{padding:16px 0}
  .footer-links .wrap{flex-direction:column;gap:8px}
  .fl-list{gap:6px 12px}
  .fl-list a{font-size:12.5px;padding:3px 8px}
  .footer-bottom-in{font-size:12px}
  .fb-links{gap:12px}
  .pager{gap:6px;margin-top:26px}
  .pg-btn{min-width:36px;height:36px;padding:0 10px;font-size:13px}
  .pg-info{font-size:12px}
  .search-box form{flex-direction:column}
  .search-box .btn{width:100%}
  .prod-gallery{padding:10px}
  .pg-thumbs{grid-template-columns:repeat(4,1fr)}
  .pi-title{font-size:20px}
  .pi-actions{gap:10px}
  .pi-actions .btn{flex:1;padding:0 12px;font-size:14px}
  .tab-btn{padding:10px 16px;font-size:15px}
  .param-table th{width:110px;padding:11px 12px;font-size:13.5px}
  .param-table td{padding:11px 12px;font-size:13.5px}
  .msg-layout{gap:18px}
  .mi-card{padding:18px;border-radius:0;border-left:0;border-right:0}
  .faq-box{padding:18px 16px;border-radius:0;border-left:0;border-right:0}
  .faq-q{padding:14px 16px;font-size:14.5px}
  .faq-a-in{padding:0 16px 16px;font-size:14px}
  .empty-box{padding:60px 16px;border-radius:0;border-left:0;border-right:0}
  .back-top{bottom:70px;right:12px;width:38px;height:38px}
  .m-bar .mb-item{font-size:10.5px}
  .m-bar .mb-item svg{width:17px;height:17px}
  .detail-intro{padding:13px 15px;font-size:14px}
  .pi-intro{font-size:14px;padding:13px 15px}
  .ds-label,.dt-label{width:100%}
}

/* --- 小屏手机 < 576 --- */
@media (max-width:575px){
  body{font-size:14px}
  .wrap{padding:0 12px}
  .topbar-l,.topbar-r{gap:12px}
  .tb-item{max-width:150px;font-size:11.5px}
  .logo img{max-height:34px}
  .logo-text{font-size:18px}
  .main-nav{width:80vw}
  .hero-img{max-height:280px}
  .hero-title{font-size:20px}
  .hero-sub{font-size:13px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .adv-grid{grid-template-columns:1fr;gap:10px}
  .adv-item{display:flex;gap:14px;text-align:left;align-items:center;padding:18px 14px}
  .adv-ico{margin:0;flex-shrink:0;width:44px;height:44px;border-radius:12px}
  .adv-item h3{margin-bottom:4px;font-size:15.5px}
  .adv-item p{font-size:13px}
  .prod-grid{grid-template-columns:1fr}
  .prod-img{padding-top:62%}
  .prod-page-grid{grid-template-columns:1fr}
  .il-prods{grid-template-columns:1fr}
  .sec-title{font-size:21px}
  .news-feature .nf-body{padding:16px}
  .nf-body h3{font-size:17px}
  .f-col-qr{grid-column:span 2}
  .footer-grid{grid-template-columns:1fr}
  .f-col-brand,.f-col-qr{grid-column:span 1}
  .fb-links{gap:10px;font-size:11.5px}
  .detail-title{font-size:18.5px}
  .pi-title{font-size:18.5px}
  .ph-title{font-size:20px}
  .ilp-card h4{font-size:13px}
  .ilp-card p{display:none}
  .pgt{display:none}
  .pgt:nth-child(-n+4){display:block}
  .back-top{display:none}
}

/* --- 横屏矮屏（防止内容被压缩） --- */
@media (max-height:520px) and (orientation:landscape){
  .hero-img{max-height:280px;min-height:180px}
  .m-bar{display:none}
  body{padding-bottom:0}
}

/* --- 打印 --- */
@media print{
  .topbar,.site-header,.site-footer,.side-col,.m-bar,.back-top,.form-box,.detail-share,.pn-nav{display:none!important}
  .main-layout{grid-template-columns:1fr}
  .detail-box{border:0;padding:0}
}

/* --- 高对比 / 减弱动画 --- */
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;transition-duration:.01ms!important}
}

/* ---------- 404 ---------- */
.err-page{text-align:center;padding:70px 0 80px}
.err-code{font-size:130px;font-weight:900;line-height:1;background:linear-gradient(120deg,var(--primary),var(--secondary));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:4px;margin-bottom:10px}
.err-title{font-size:26px;font-weight:700;color:var(--text-1);margin-bottom:12px}
.err-desc{font-size:15px;color:var(--text-3);margin-bottom:30px}
.err-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;margin-bottom:52px}
.err-recommend{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;margin-bottom:20px;text-align:left}
.err-recommend h3{font-size:18px;font-weight:700;color:var(--text-1);margin-bottom:18px;padding-left:12px;border-left:4px solid var(--primary);line-height:1.3}
@media (max-width:767px){
  .err-page{padding:44px 0 56px}
  .err-code{font-size:84px}
  .err-title{font-size:20px}
  .err-actions .btn{flex:1}
  .err-recommend{padding:18px;border-radius:0;border-left:0;border-right:0}
}