/*
Theme Name: Duyuan Electronics EN (duyuanen)
Theme URI: https://www.profpga.net
Author: Doubao Work
Description: Custom classic theme for the Duyuan Electronics website. Products (product) + Application Scenarios (application_scenario) + Blog (post), unified stylesheet, SEO friendly.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 7.4
License: GNU General Public License v2 or later
Text Domain: duyuanen
*/

/* ===== 基础 ===== */
:root{
  --ink:#182230; --ink2:#5b6b7f; --line:#e4e9f0; --bg-soft:#f4f6f9;
  --blue:#1455b8; --blue-dk:#0d3d86; --navy:#0e1f33; --red:#e04f3d;
  --w:#fff;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",-apple-system,sans-serif;color:var(--ink);background:var(--w);line-height:1.65;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{text-decoration:none;color:inherit}
ul{list-style:none}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}

/* ===== 顶部信息条 ===== */
.topbar{background:var(--navy);color:#c9d6e8;font-size:13px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:38px;gap:16px}
.topbar a{color:#fff;font-weight:500}
.topbar .tb-left{display:flex;gap:20px;align-items:center;overflow:hidden;white-space:nowrap}
.topbar .tb-right{display:flex;gap:20px;white-space:nowrap}

/* ===== 主导航 ===== */
.nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;height:72px;gap:32px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo .logo-mark{height:34px;width:auto;display:flex;align-items:center;color:#fff}
.logo .logo-mark img{height:34px;width:34px;display:block;border-radius:6px}
.logo .logo-text b{font-size:19px;letter-spacing:.5px;display:block;line-height:1.2}
.logo .logo-text span{font-size:11px;color:var(--ink2);letter-spacing:2px}
.nav-menu{display:flex;gap:22px;margin-left:auto;align-items:center}
.nav-menu li{list-style:none}
.nav-menu .nav-item{position:relative;display:flex;align-items:center}
.nav-menu .nav-item>a{font-size:15px;color:var(--ink);padding:8px 2px;border-bottom:2px solid transparent;display:inline-flex;align-items:center;gap:4px;transition:color .2s,border-color .2s}
.nav-menu .nav-item>a:hover,.nav-menu .nav-item.current>a{color:var(--blue);border-color:var(--blue)}
.nav-menu .drop-arrow{opacity:.5;transition:transform .2s}
.nav-menu .has-drop:hover .drop-arrow{transform:rotate(180deg);opacity:.85}
/* ===== 下拉菜单（PC hover / 移动端展开） ===== */
.drop,.nav-menu .sub-menu{position:absolute;top:100%;left:50%;transform:translate(-50%,10px);min-width:216px;padding:8px;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 18px 40px -18px rgba(13,61,134,.35);opacity:0;visibility:hidden;transition:opacity .18s,transform .18s,visibility .18s;z-index:60}
.nav-menu .has-drop:hover .drop,.nav-menu li:hover .sub-menu{opacity:1;visibility:visible;transform:translate(-50%,0)}
.drop a,.nav-menu .sub-menu a{display:block;padding:9px 14px;font-size:14px;color:var(--ink);border:none;border-radius:6px;transition:background .15s,color .15s}
.drop a:hover,.nav-menu .sub-menu a:hover{background:var(--bg-soft);color:var(--blue)}
.drop a.current{color:var(--blue);font-weight:600}
.nav-cta{display:flex;align-items:center;gap:16px;flex-shrink:0}
/* ===== 搜索框 ===== */
.nav-cta .ns-inline{display:flex;gap:6px;align-items:center}
.nav-cta .ns-inline input{width:190px;font-family:inherit;font-size:13.5px;color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:8px 12px;outline:none;background:#fbfcfe;transition:border-color .2s,width .2s}
.nav-cta .ns-inline input:focus{border-color:var(--blue)}
.nav-cta .ns-inline .btn{padding:8px 14px;font-size:13.5px}
.ns-form{display:flex;gap:8px}
.ns-form input{flex:1;min-width:0;font-family:inherit;font-size:14px;color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:9px 12px;outline:none;background:#fbfcfe}
.ns-form input:focus{border-color:var(--blue)}
.ns-form .btn{padding:9px 16px;font-size:14px}
.ns-mobile{display:none}
.ns-mobile-wrap{display:none;list-style:none}
@media(max-width:1024px){
  .ns-mobile-wrap{display:block;padding:6px 0 14px;border-bottom:1px solid var(--bg-soft)}
  .ns-mobile{display:flex;width:100%}
}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:none;cursor:pointer;font-family:inherit;font-size:15px;font-weight:600;border-radius:6px;transition:background .2s,transform .1s;padding:10px 22px}
.btn-blue{background:var(--blue);color:#fff}
.btn-blue:hover{background:var(--blue-dk)}
.btn-outline{background:transparent;color:var(--blue);border:1.5px solid var(--blue)}
.btn-outline:hover{background:rgba(20,85,184,.06)}
.btn-white{background:#fff;color:var(--blue-dk)}
.btn-white:hover{background:#e8eefb}
.btn-lg{padding:13px 30px;font-size:16px}
.nav-burger{display:none;background:none;border:none;cursor:pointer;padding:8px;margin-left:8px}
.nav-burger svg{display:block}

/* ===== 面包屑 ===== */
.crumb{font-size:13px;color:var(--ink2);padding:18px 0;border-bottom:1px solid var(--bg-soft)}
.crumb a{color:var(--blue)}
.crumb .sep{margin:0 8px;color:#b6c0cf}

/* ===== 区块通用（默认=场景详情左对齐样式）===== */
.sec{padding:72px 0}
.sec.soft{background:var(--bg-soft)}
.sec-head{max-width:680px;margin-bottom:44px}
.sec-eyebrow{font-size:13px;color:var(--blue);font-weight:600;letter-spacing:1.5px;text-transform:uppercase}
.sec-head h2{font-size:28px;font-weight:800;margin-top:10px;letter-spacing:.5px}
.sec-head p{font-size:14.5px;color:var(--ink2);margin-top:12px}

/* 首页区块通用覆盖 */
body.home .sec{padding:76px 0}
body.home .sec-head{text-align:center;max-width:680px;margin:0 auto 48px}
body.home .sec-head h2{font-size:32px}
body.home .sec-head p{font-size:15px}

/* 网格列表页覆盖（产品归档/场景页面模板/博客索引） */
body.post-type-archive-product .sec,
body.page-template-scenes-template .sec,
body.blog .sec{padding:8px 0 76px}

/* 产品详情覆盖 */
body.single-product .sec{padding:60px 0}
body.single-product .sec-head{display:flex;align-items:baseline;justify-content:space-between;gap:20px;margin-bottom:32px;flex-wrap:wrap}
body.single-product .sec-head h2{font-size:24px}
body.single-product .sec-head .sh-sub{font-size:13px;color:var(--ink2);margin-left:auto;text-align:right}

/* ===== 页头 cat-head（产品归档/场景页面模板/博客索引/搜索共用）===== */
.cat-head{background:linear-gradient(180deg,#f2f6fc 0%,#e9f0f9 100%);border-bottom:1px solid var(--line)}
.cat-head .wrap{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;padding-top:44px;padding-bottom:40px;flex-wrap:wrap}
.cat-head .ch-left{max-width:760px}
.cat-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--blue);font-weight:600;margin-bottom:12px}
.cat-eyebrow::before{content:"";width:26px;height:2px;background:var(--blue)}
.cat-head h1{font-size:36px;font-weight:800;letter-spacing:.5px}
.cat-head .ch-desc{margin-top:14px;font-size:15px;color:var(--ink2);line-height:1.9}
.cat-head .ch-tags{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap}
.ch-tag{font-size:12.5px;color:var(--blue);background:rgba(20,85,184,.08);padding:4px 12px;border-radius:99px}
.cat-head .ch-side{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 22px;min-width:250px}
.ch-side b{font-size:14px;display:block;margin-bottom:10px}
.ch-side p{font-size:13px;color:var(--ink2);line-height:1.8}
.ch-side .btn{margin-top:14px;padding:8px 18px;font-size:13.5px;width:100%}
.ch-side ul{display:grid;gap:8px}
.ch-side a{font-size:13.5px;color:var(--ink2);display:flex;justify-content:space-between;transition:color .2s}
.ch-side a:hover{color:var(--blue)}
.ch-side a b{font-size:13.5px;color:var(--blue);margin:0}

/* ===== 筛选条 ===== */
.filter-bar{display:flex;align-items:center;gap:12px;margin:28px 0 22px;flex-wrap:wrap}
.filter-bar .f-label{font-size:13.5px;color:var(--ink2);font-weight:600}
.filter-bar a{background:#fff;border:1px solid var(--line);color:var(--ink2);font-size:13.5px;padding:7px 16px;border-radius:99px;cursor:pointer;transition:all .2s;font-family:inherit;display:inline-flex}
.filter-bar a:hover{border-color:var(--blue);color:var(--blue)}
.filter-bar a.on{background:var(--blue);border-color:var(--blue);color:#fff}
.filter-bar .f-count{margin-left:auto;font-size:13px;color:#8b96a6}

/* ===== 产品网格 / 卡片 ===== */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.pcard{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;display:flex;flex-direction:column;transition:box-shadow .25s,transform .25s}
.pcard:hover{box-shadow:0 18px 44px -18px rgba(13,61,134,.28);transform:translateY(-4px)}
.pcard .p-img{background:#f7f9fc;aspect-ratio:1/1;overflow:hidden;position:relative;display:flex;align-items:center;justify-content:center}
.pcard .p-img img{width:88%;height:88%;object-fit:contain}
.pcard .p-img.ph{background:linear-gradient(135deg,#eef2f8,#e3e9f2)}
.pcard .p-tag{position:absolute;top:12px;left:12px;background:var(--red);color:#fff;font-size:12px;padding:3px 10px;border-radius:99px;font-weight:600}
.pcard .p-tag.off{background:var(--blue)}
.pcard .p-cat{font-size:12px;color:var(--blue);background:rgba(20,85,184,.08);display:inline-block;padding:2px 10px;border-radius:99px;margin:16px 16px 0}
.pcard .p-name{font-size:15.5px;font-weight:700;margin:10px 16px 0;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:46px}
.pcard .p-spec{font-size:12.5px;color:var(--ink2);margin:8px 16px 0;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pcard .p-foot{display:flex;align-items:center;justify-content:space-between;margin:auto 16px 16px;padding-top:14px}
.pcard .p-price{font-size:16px;font-weight:800;color:var(--blue)}
.pcard .p-price small{font-size:12px;color:var(--ink2);font-weight:400;margin-left:4px}
.pcard .p-link{font-size:13.5px;color:var(--blue);font-weight:600;display:flex;align-items:center;gap:4px}
.pcard.cta{background:linear-gradient(160deg,#0d3d86,#1455b8);color:#fff;align-items:center;justify-content:center;text-align:center;padding:34px 26px;border:none}
.pcard.cta h3{font-size:19px;font-weight:700}
.pcard.cta p{font-size:13.5px;color:#c9d6e8;margin-top:10px;line-height:1.8}
.pcard.cta .btn{background:#fff;color:var(--blue-dk);margin-top:22px}

/* ===== 文章卡片（默认=文本卡，用于首页/场景详情/搜索）===== */
.art-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.artcard{background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px;display:flex;flex-direction:column;transition:box-shadow .25s,transform .25s}
.artcard:hover{box-shadow:0 16px 40px -18px rgba(13,61,134,.25);transform:translateY(-4px)}
.artcard .a-cat{font-size:12px;color:var(--blue);font-weight:600}
.artcard h3{font-size:16px;font-weight:700;line-height:1.5;margin-top:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.artcard p{font-size:13px;color:var(--ink2);margin-top:10px;flex:1;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.artcard .a-meta{font-size:12px;color:#8b96a6;margin-top:16px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.artcard .a-meta em{font-style:normal}
.artcard .a-thumb{display:none}

/* 博客索引缩略卡覆盖 */
body.blog .artcard{padding:0}
body.blog .artcard .a-thumb{display:flex;aspect-ratio:16/9;background:linear-gradient(140deg,#f4f8fe,#e8eefb);align-items:center;justify-content:center;color:#b9c9e2;position:relative;overflow:hidden}
body.blog .artcard .a-thumb img{width:100%;height:100%;object-fit:cover}
body.blog .artcard .a-thumb svg{width:52px;height:52px;stroke-width:1.4;opacity:.8}
body.blog .artcard .a-cat{position:absolute;top:14px;left:14px;font-size:12px;background:var(--blue);color:#fff;padding:3px 10px;border-radius:99px;font-weight:600;z-index:2}
body.blog .artcard .a-body{padding:18px 20px 6px;flex:1;display:flex;flex-direction:column}
body.blog .artcard h3{margin-top:0}
body.blog .artcard .a-meta{margin-top:14px;gap:12px}
body.blog .artcard .a-foot{margin-top:auto;padding:14px 20px 18px;border-top:1px solid var(--bg-soft);display:flex;justify-content:space-between;align-items:center}
body.blog .artcard .a-link{font-size:13.5px;color:var(--blue);font-weight:600;display:flex;align-items:center;gap:4px}

/* ===== 分页 ===== */
.pager{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:40px;flex-wrap:wrap}
.pager a,.pager span{min-width:38px;height:38px;padding:0 12px;border:1px solid var(--line);background:#fff;border-radius:8px;font-size:14px;color:var(--ink2);display:inline-flex;align-items:center;justify-content:center;transition:all .2s}
.pager a:hover{border-color:var(--blue);color:var(--blue)}
.pager .current{background:var(--blue);border-color:var(--blue);color:#fff;cursor:default}
.pager .dots{border:none;background:none;cursor:default}

/* ===== 首页 Hero ===== */
.hero{background:linear-gradient(180deg,#f2f6fc 0%,#e9f0f9 100%);border-bottom:1px solid var(--line)}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;padding-top:64px;padding-bottom:64px}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--blue);font-weight:600;margin-bottom:18px}
.hero-eyebrow::before{content:"";width:26px;height:2px;background:var(--blue)}
.hero h1{font-size:44px;line-height:1.28;font-weight:800;letter-spacing:.5px}
.hero h1 em{font-style:normal;color:var(--blue)}
.hero-sub{margin-top:18px;font-size:16px;color:var(--ink2);max-width:560px}
.hero-cta{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.hero-trust{display:flex;gap:24px;margin-top:36px;flex-wrap:wrap}
.hero-trust .t-item{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink2)}
.hero-trust .t-item svg{color:var(--blue)}
.hero-visual{position:relative}
.hero-visual .board-img{width:100%;border-radius:14px;box-shadow:0 24px 60px -22px rgba(13,61,134,.45);background:#fff}
.hero-visual .chip-tag{position:absolute;background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px 14px;box-shadow:0 10px 30px -12px rgba(13,61,134,.35);font-size:12.5px;line-height:1.5}
.chip-tag b{color:var(--blue);display:block;font-size:13.5px}
.chip-tag.ct-1{top:-14px;left:-14px}
.chip-tag.ct-2{bottom:26px;left:-30px}
.chip-tag.ct-3{top:34%;right:-14px}

/* ===== 首页数据条 ===== */
.stats{background:var(--navy);color:#fff}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding-top:34px;padding-bottom:34px}
.stat{text-align:center}
.stat b{font-size:38px;font-weight:800;color:#fff;display:block;line-height:1.2}
.stat b span{font-size:20px;margin-left:2px}
.stat p{font-size:13px;color:#93a7c2;margin-top:4px}

/* ===== 首页产品分类切换 ===== */
.cat-tabs{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin-bottom:40px}
.cat-tabs button{background:#fff;border:1px solid var(--line);color:var(--ink2);font-size:14px;padding:9px 20px;border-radius:99px;cursor:pointer;transition:all .2s;font-family:inherit}
.cat-tabs button:hover{border-color:var(--blue);color:var(--blue)}
.cat-tabs button.on{background:var(--blue);border-color:var(--blue);color:#fff}
.sec-more{text-align:center;margin-top:44px}

/* ===== 首页应用场景（3列；移动端首页专属2列）===== */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.scard{background:#fff;border:1px solid var(--line);border-radius:12px;padding:28px 24px;transition:box-shadow .25s,transform .25s;display:flex;flex-direction:column}
.scard:hover{box-shadow:0 16px 40px -18px rgba(13,61,134,.25);transform:translateY(-4px)}
.scard .s-ico{width:52px;height:52px;border-radius:12px;background:rgba(20,85,184,.08);display:flex;align-items:center;justify-content:center;color:var(--blue);margin-bottom:18px}
.scard h3{font-size:17px;font-weight:700}
.scard p{font-size:13.5px;color:var(--ink2);margin-top:8px;flex:1}
.scard .s-link{margin-top:16px;font-size:13.5px;color:var(--blue);font-weight:600;display:inline-flex;align-items:center;gap:4px}
.scene-note{margin-top:30px;text-align:center;font-size:13.5px;color:var(--ink2);background:#fff;border:1px dashed var(--line);border-radius:10px;padding:14px 20px}
.scene-note b{color:var(--blue)}

/* ===== 首页解决方案 ===== */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.svcard{background:#fff;border:1px solid var(--line);border-radius:12px;padding:26px 24px;transition:box-shadow .25s,transform .25s;display:flex;flex-direction:column}
.svcard:hover{box-shadow:0 16px 40px -18px rgba(13,61,134,.25);transform:translateY(-4px)}
.svcard .s-ico{width:50px;height:50px;border-radius:12px;background:rgba(20,85,184,.08);display:flex;align-items:center;justify-content:center;color:var(--blue);margin-bottom:16px}
.svcard h3{font-size:16.5px;font-weight:700}
.svcard p{font-size:13.5px;color:var(--ink2);margin-top:8px;flex:1}

/* ===== 首页关于 ===== */
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.about-text h2{font-size:30px;font-weight:800;line-height:1.35}
.about-text p{font-size:15px;color:var(--ink2);margin-top:16px}
.about-list{margin-top:24px;display:grid;gap:14px}
.about-list li{display:flex;gap:12px;font-size:14.5px;align-items:flex-start}
.about-list li svg{color:var(--blue);flex-shrink:0;margin-top:3px}
.about-card{background:var(--navy);border-radius:14px;color:#fff;padding:34px 30px}
.about-card h3{font-size:18px;font-weight:700}
.about-card .ac-row{display:grid;gap:18px;margin-top:22px}
.ac-item{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:10px;padding:16px}
.ac-item b{font-size:15px;display:block}
.ac-item span{font-size:13px;color:#93a7c2}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:52px}
.step{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px 20px}
.step b{font-size:26px;font-weight:800;color:var(--blue);font-style:normal;display:block}
.step h4{font-size:15px;font-weight:700;margin-top:10px}
.step p{font-size:12.5px;color:var(--ink2);margin-top:6px}

/* ===== 首页联系 ===== */
.contact-wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:start}
.contact-info h2{font-size:30px;font-weight:800}
.contact-info>p{font-size:15px;color:var(--ink2);margin-top:14px}
.ci-list{display:grid;gap:16px;margin-top:30px}
.ci-item{display:flex;gap:14px;align-items:flex-start}
.ci-item .ci-ico{width:44px;height:44px;border-radius:10px;background:#fff;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--blue);flex-shrink:0}
.ci-item b{font-size:14.5px;display:block}
.ci-item span{font-size:13.5px;color:var(--ink2)}
.form-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:30px;box-shadow:0 20px 50px -24px rgba(13,61,134,.25)}
.form-card h3{font-size:18px;font-weight:700}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:20px}
.field{display:grid;gap:6px}
.field label{font-size:13px;color:var(--ink2);font-weight:600}
.field input,.field select,.field textarea{font-family:inherit;font-size:14px;color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:11px 13px;outline:none;background:#fbfcfe;transition:border-color .2s}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--blue)}
.field textarea{resize:vertical;min-height:96px}
.form-card .btn{width:100%;margin-top:20px}

/* ===== 算术验证码 ===== */
.captcha-box{display:flex;align-items:center;gap:10px;margin-top:16px}
.captcha-expr{font-size:15px;font-weight:700;color:var(--ink);padding:9px 12px;background:#f2f5fa;border:1px solid var(--line);border-radius:8px;min-width:56px;text-align:center;letter-spacing:1px}
.captcha-input{font-family:inherit;font-size:14px;color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:13px 8px;outline:none;background:#fbfcfe;width:64px;text-align:center;transition:border-color .2s}
.captcha-input:focus{border-color:var(--blue)}
.captcha-refresh{font-size:12px;color:var(--blue);background:none;border:1px solid var(--line);border-radius:8px;padding:13px 14px;cursor:pointer;min-width:64px;transition:all .2s}
.captcha-refresh:hover{background:#f2f5fa;border-color:var(--blue)}

/* ===== 场景列表页（页面模板 scenes-template）===== */
.scene-card{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;display:flex;flex-direction:column;transition:box-shadow .25s,transform .25s}
.scene-card:hover{box-shadow:0 18px 44px -18px rgba(13,61,134,.28);transform:translateY(-4px)}
.scene-card .s-top{background:linear-gradient(150deg,#f7f9fc,#eef3fa);padding:26px 22px 18px;display:flex;align-items:center;gap:16px}
.scene-card .s-ico{width:52px;height:52px;border-radius:12px;background:var(--blue);color:#fff;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.scene-card .s-num{font-size:12px;color:#8b96a6;font-weight:700;letter-spacing:1px}
.scene-card .s-title{font-size:19px;font-weight:800;margin-top:3px}
.scene-card .s-body{padding:18px 22px 8px;flex:1}
.scene-card .s-desc{font-size:13.5px;color:var(--ink2);line-height:1.85}
.scene-card .s-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.scene-card .s-tags span{font-size:12px;color:var(--ink2);background:var(--bg-soft);padding:3px 10px;border-radius:99px}
.scene-card .s-foot{display:flex;align-items:center;justify-content:space-between;padding:14px 22px 20px}
.scene-card .s-count{font-size:12.5px;color:#8b96a6}
.scene-card .s-link{font-size:13.5px;color:var(--blue);font-weight:600;display:flex;align-items:center;gap:4px}
.scene-card.featured{grid-column:1/-1;flex-direction:row;align-items:stretch}
.scene-card.featured .f-img{flex:1.15;min-height:300px;background:#0b1a30;position:relative;overflow:hidden}
.scene-card.featured .f-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.92}
.scene-card.featured .f-info{flex:1;padding:34px 30px;display:flex;flex-direction:column}
.scene-card.featured .s-title{font-size:26px}
.scene-card.featured .s-desc{margin-top:12px}
.scene-card.featured .s-tags{margin-top:16px}
.scene-card.featured .s-foot{margin-top:auto;padding:18px 0 0}

/* ===== 场景详情页图文区（400px）===== */
.scene-hero{position:relative;height:400px;background:#0b1a30;overflow:hidden}
.scene-hero .sh-bg{position:absolute;inset:0;background-size:cover;background-position:center 40%;opacity:.95}
.scene-hero .sh-mask{position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,20,40,.93) 0%,rgba(8,20,40,.72) 42%,rgba(8,20,40,.18) 100%)}
.scene-hero .wrap{position:relative;height:100%;display:flex;flex-direction:column;justify-content:center}
.sh-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:#9cc2ff;font-weight:600;margin-bottom:14px}
.sh-eyebrow::before{content:"";width:26px;height:2px;background:#4d8df0}
.scene-hero h1{font-size:40px;font-weight:800;color:#fff;letter-spacing:.5px;line-height:1.25}
.scene-hero .sh-desc{margin-top:16px;font-size:15px;color:#c9d6e8;max-width:600px;line-height:1.9}
.sh-tags{display:flex;gap:10px;margin-top:22px;flex-wrap:wrap}
.sh-tag{font-size:12.5px;color:#cfe2ff;border:1px solid rgba(120,160,230,.45);background:rgba(20,60,120,.35);padding:5px 14px;border-radius:99px}

/* ===== 产品详情页主区 ===== */
.p-main{display:grid;grid-template-columns:1fr 1.1fr;gap:48px;padding:44px 0 24px;align-items:start}
.gallery{position:sticky;top:96px}
.gallery .g-main{background:#f7f9fc;border:1px solid var(--line);border-radius:14px;display:flex;align-items:center;justify-content:center;padding:36px}
.gallery .g-main img{width:86%;object-fit:contain}
.g-info .p-tags{display:flex;gap:10px;flex-wrap:wrap}
.p-tags .pt{font-size:12.5px;padding:4px 12px;border-radius:99px;font-weight:600}
.pt-blue{background:rgba(20,85,184,.09);color:var(--blue)}
.pt-red{background:rgba(224,79,61,.1);color:var(--red)}
.pt-gray{background:var(--bg-soft);color:var(--ink2)}
.g-info h1{font-size:26px;font-weight:800;line-height:1.4;margin:14px 0 6px}
.g-info .model{font-size:13px;color:var(--ink2);background:var(--bg-soft);display:inline-block;padding:4px 12px;border-radius:6px;margin-bottom:16px}
.g-info .p-desc{font-size:14px;color:var(--ink2);line-height:1.9;margin-bottom:20px}
.g-price{display:flex;align-items:baseline;gap:12px;margin-bottom:22px}
.g-price .now{font-size:30px;font-weight:800;color:var(--blue)}
.g-price .note{font-size:13px;color:var(--ink2)}
.g-price .now-rfq{color:var(--blue);text-decoration:none;border-bottom:2px dashed var(--blue);padding-bottom:2px;cursor:pointer;transition:color .2s,border-color .2s}
.g-price .now-rfq:hover{color:#0a4fd4;border-color:#0a4fd4}
.g-feat{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:26px}
.g-feat .ft{background:var(--bg-soft);border-radius:9px;padding:11px 14px;font-size:13px;color:var(--ink);display:flex;gap:9px;align-items:flex-start}
.g-feat svg{color:var(--blue);flex-shrink:0;margin-top:2px}
.g-btns{display:flex;gap:14px;flex-wrap:wrap}
.g-note{margin-top:16px;font-size:12.5px;color:#8b96a6}

/* ===== 产品详情规格表 ===== */
.spec-wrap{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.spec-table{width:100%;border-collapse:collapse;table-layout:fixed}
.spec-table colgroup col:first-child{width:30%}
.spec-table th,.spec-table td{padding:13px 20px;font-size:13.5px;border-bottom:1px solid var(--bg-soft);text-align:left;vertical-align:top}
.spec-table th{background:var(--bg-soft);font-weight:600;color:var(--ink)}
.spec-table tr:last-child th,.spec-table tr:last-child td{border-bottom:none}
.spec-table td{color:var(--ink2)}

/* ===== 产品详情典型应用 ===== */
.app-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.app{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px 20px;transition:box-shadow .25s,transform .25s}
.app:hover{box-shadow:0 16px 40px -18px rgba(13,61,134,.25);transform:translateY(-3px)}
.app .a-ico{width:44px;height:44px;border-radius:10px;background:rgba(20,85,184,.08);display:flex;align-items:center;justify-content:center;color:var(--blue);margin-bottom:14px}
.app h3{font-size:15.5px;font-weight:700}
.app p{font-size:12.5px;color:var(--ink2);margin-top:8px}

/* ===== 文章详情页 ===== */
.art-main{display:grid;grid-template-columns:1fr 340px;gap:44px;padding:44px 0 64px;align-items:start}
.article{min-width:0}
.art-head{border-bottom:1px solid var(--line);padding-bottom:28px;margin-bottom:32px}
.art-head .a-cat{display:inline-block;font-size:12.5px;background:rgba(20,85,184,.09);color:var(--blue);padding:4px 12px;border-radius:99px;font-weight:600}
.art-head h1{font-size:30px;font-weight:800;line-height:1.45;margin:14px 0 16px;letter-spacing:.3px}
.art-meta{display:flex;align-items:center;gap:18px;font-size:13px;color:#8b96a6;flex-wrap:wrap}
.art-meta span{display:flex;align-items:center;gap:6px}
.art-meta svg{color:#b6c0cf}
.art-body{font-size:15px;line-height:2;color:#2a3648}
.art-body p{margin-bottom:18px}
.art-body h2{font-size:21px;font-weight:800;margin:34px 0 14px;padding-left:12px;border-left:4px solid var(--blue);line-height:1.4}
.art-body ul{margin:0 0 18px;padding-left:4px}
.art-body li{position:relative;padding-left:20px;margin-bottom:8px}
.art-body li::before{content:"";position:absolute;left:2px;top:0.82em;width:7px;height:7px;border-radius:2px;background:var(--blue)}
.art-body .note{background:var(--bg-soft);border-radius:10px;padding:16px 20px;font-size:13.5px;color:var(--ink2);margin:22px 0;border-left:3px solid var(--blue)}
.art-body table{width:100%;border-collapse:collapse;table-layout:fixed;margin:18px 0 22px}
.art-body table colgroup col:first-child{width:26%}
.art-body th,.art-body td{padding:10px 14px;font-size:13.5px;border:1px solid var(--line);text-align:left;vertical-align:top}
.art-body th{background:var(--bg-soft);font-weight:600}
.art-body td{color:var(--ink2)}
.art-body .tbl-cap{font-size:13px;color:#8b96a6;margin:-12px 0 6px}
.art-end{border-top:1px solid var(--line);margin-top:36px;padding-top:20px;font-size:13px;color:#8b96a6;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.art-tags{display:flex;gap:8px;flex-wrap:wrap}
.art-tags span{font-size:12px;background:var(--bg-soft);color:var(--ink2);padding:4px 12px;border-radius:99px}

/* ===== 文章详情侧栏 ===== */
.side{position:sticky;top:96px;display:flex;flex-direction:column;gap:24px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px}
.side-card h3{font-size:15px;font-weight:700;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--bg-soft)}
.side-card .rel li{margin-bottom:14px}
.side-card .rel a{display:block;transition:color .2s}
.side-card .rel a:hover h4{color:var(--blue)}
.side-card .rel h4{font-size:13.5px;font-weight:600;line-height:1.55}
.side-card .rel span{font-size:12px;color:#8b96a6}
.side-card .s-cta{background:linear-gradient(160deg,#0d3d86,#1455b8);color:#fff;border:none}
.side-card .s-cta p{font-size:13px;color:#c9d6e8;margin-bottom:16px;line-height:1.8}
.side-card .s-cta .btn{width:100%;background:#fff;color:var(--blue-dk);font-size:14px;padding:9px 0}

/* ===== 文章详情相关产品 ===== */
.rel-prod{background:var(--bg-soft);padding:56px 0}
.rel-head{text-align:center;margin-bottom:40px}
.rel-head h2{font-size:26px;font-weight:800}

/* ===== 文章详情上一篇/下一篇 ===== */
.prev-next{display:grid;grid-template-columns:1fr 1fr;gap:22px;padding:0 0 64px}
.pn{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:12px;padding:18px 22px;transition:box-shadow .25s,transform .25s}
.pn:hover{box-shadow:0 14px 36px -18px rgba(13,61,134,.25);transform:translateY(-3px)}
.pn.next{text-align:right;align-items:flex-end}
.pn .pn-label{font-size:12px;color:#8b96a6}
.pn h4{font-size:14.5px;font-weight:600;margin-top:8px;line-height:1.55}

/* ===== 底部 CTA ===== */
.sec-bottom{background:var(--navy);color:#fff;text-align:center;padding:54px 24px}
.sec-bottom h2{font-size:26px;font-weight:800}
.sec-bottom p{color:#93a7c2;font-size:14.5px;margin-top:10px}
.sec-bottom .btn{margin-top:24px}

/* ===== About Us 页 ===== */
.ab-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ab-card{background:#f5f8fc;border:1px solid #e3ebf5;border-radius:14px;padding:30px 26px;display:flex;flex-direction:column;gap:12px;transition:box-shadow .2s}
.ab-card:hover{box-shadow:0 10px 30px rgba(20,60,120,.08)}
.ab-num{font-size:13px;font-weight:800;color:var(--blue);letter-spacing:1px}
.ab-card h3{font-size:18px;font-weight:700;margin:0}
.ab-card p{font-size:14px;color:var(--ink2);line-height:1.8;margin:0;flex:1}
.ab-card .s-link{color:var(--blue);font-weight:600;font-size:14px}
.stats-bar{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.stat{background:#fff;border-radius:14px;padding:28px 24px;text-align:center;box-shadow:0 2px 12px rgba(20,60,120,.05)}
.stat b{font-size:42px;font-weight:800;color:var(--blue);display:block;line-height:1}
.stat b span{font-size:22px}
.stat>span{display:block;color:var(--ink);font-weight:700;font-size:15px;margin-top:10px}
.stat em{font-style:normal;color:var(--ink2);font-size:12.5px;margin-top:6px;display:block}
.about-brand{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.ab-copy h2,.ab-copy h1{font-size:30px;font-weight:800;line-height:1.35}
.ab-copy p{font-size:14.5px;color:var(--ink2);margin-top:16px;line-height:1.9}
.ab-copy .btn{margin-top:22px}
.ab-imgs{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.ab-imgs img{width:100%;border-radius:12px;display:block;object-fit:cover;aspect-ratio:4/3}
.about-svc p{font-size:15px;color:var(--ink2);line-height:2;max-width:860px}
.about-svc .btn{margin-top:20px}
@media(max-width:900px){.ab-cards,.stats-bar{grid-template-columns:1fr}.about-brand{grid-template-columns:1fr}}

/* ===== Contact Us 页 ===== */
.ct-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ct-card{background:#f5f8fc;border:1px solid #e3ebf5;border-radius:14px;padding:30px 26px;display:flex;flex-direction:column;gap:10px;align-items:flex-start}
.ct-card .ct-ico{width:48px;height:48px;border-radius:12px;background:#fff;color:var(--blue);display:flex;align-items:center;justify-content:center;box-shadow:0 2px 10px rgba(20,60,120,.06)}
.ct-card b{font-size:15px;color:var(--ink);margin-top:4px}
.ct-card a,.ct-card>span{font-size:14px;color:var(--ink2);line-height:1.7;word-break:break-all}
.ct-card a:hover{color:var(--blue)}
.why-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.why-card{background:#fff;border-radius:14px;padding:28px 26px;box-shadow:0 2px 12px rgba(20,60,120,.05);display:flex;flex-direction:column;gap:10px}
.why-num{font-size:13px;font-weight:800;color:var(--blue);letter-spacing:1px}
.why-card h3{font-size:17px;font-weight:700;margin:0}
.why-card p{font-size:14px;color:var(--ink2);line-height:1.8;margin:0}
@media(max-width:900px){.ct-cards{grid-template-columns:1fr}.why-cards{grid-template-columns:1fr}}

.ab-hot-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
@media(max-width:1100px){.ab-hot-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.ab-hot-grid{grid-template-columns:1fr}}

.modal{position:fixed;inset:0;z-index:400;display:none;align-items:center;justify-content:center;padding:20px}
.modal.open{display:flex}
.modal-mask{position:absolute;inset:0;background:rgba(10,20,40,.55)}
.modal-card{position:relative;background:#fff;border-radius:16px;padding:32px 30px;width:min(560px,92vw);max-height:88vh;overflow:auto;box-shadow:0 30px 80px -20px rgba(5,20,50,.45);animation:modalIn .28s ease}
@keyframes modalIn{from{opacity:0;transform:translateY(14px) scale(.98)}to{opacity:1;transform:none}}
.modal-x{position:absolute;top:14px;right:14px;width:32px;height:32px;border:0;background:#f2f5fa;border-radius:8px;color:var(--ink2);cursor:pointer;display:flex;align-items:center;justify-content:center}
.modal-x:hover{background:#e6edf6;color:var(--ink)}
.modal-card h3{font-size:20px;font-weight:800}
.modal-sub{font-size:13.5px;color:var(--ink2);margin-top:6px;line-height:1.7}
.modal-card form{margin-top:18px}
.modal-card .btn{width:100%;margin-top:18px}
.modal-foot{font-size:12.5px;color:var(--ink2);text-align:center;margin-top:14px}
.modal-foot a{color:var(--blue)}
@media(max-width:640px){.modal-card{padding:26px 20px}.modal-card .form-row{grid-template-columns:1fr;gap:12px}}

/* ===== Footer ===== */
footer{background:var(--navy);color:#b9c6d9;border-top:1px solid rgba(255,255,255,.06)}
.foot-brand .logo-mark{background:#fff;border-radius:6px;padding:4px}
.foot-brand .logo-mark img{height:28px;width:28px;display:block}
.foot-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding:56px 0 40px}
.foot-brand p{font-size:13.5px;color:#93a7c2;margin-top:14px;line-height:1.8}
footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.foot-links li{margin-bottom:10px}
.foot-links a{font-size:13.5px;color:#b9c6d9;transition:color .2s}
.foot-links a:hover{color:#fff}
.foot-contact li{font-size:13.5px;margin-bottom:10px;display:flex;gap:8px;align-items:flex-start}
.foot-contact a{color:#b9c6d9;transition:color .2s}
.foot-contact a:hover{color:#fff}
.foot-contact svg{color:#7f95b3;flex-shrink:0;margin-top:2px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0;font-size:12.5px;color:#7f95b3;text-align:center}

/* ===== Toast ===== */
.toast{position:fixed;bottom:30px;left:50%;transform:translate(-50%,16px);background:var(--ink);color:#fff;padding:12px 26px;border-radius:8px;font-size:14px;opacity:0;pointer-events:none;transition:opacity .3s,transform .3s;z-index:300;box-shadow:0 12px 30px rgba(0,0,0,.2)}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ===== 响应式 ===== */
@media(max-width:1024px){
  .nav-menu{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;gap:0;align-items:stretch;padding:10px 24px 18px;box-shadow:0 24px 40px -30px rgba(13,61,134,.35)}
  .nav-menu.open{display:flex}
  .nav-menu .nav-item{flex-direction:column;align-items:stretch}
  .nav-menu .nav-item>a{width:100%;justify-content:space-between;padding:13px 0;border-bottom:1px solid var(--bg-soft)}
  .nav-menu .has-drop:hover .drop-arrow{transform:none}
  .drop,.nav-menu .sub-menu{position:static;transform:none;opacity:1;visibility:visible;min-width:0;border:none;border-radius:0;box-shadow:none;padding:0 0 6px 16px;background:transparent}
  .nav-menu .has-drop:hover .drop{transform:none}
  .drop a,.nav-menu .sub-menu a{padding:10px 0;border:none;border-bottom:1px solid var(--bg-soft);border-radius:0}
  .nav-burger{display:block}
  .nav-cta{margin-left:auto}
  .nav-cta .ns-inline{display:none}
  .ns-mobile{display:block}
  .hero .wrap{grid-template-columns:1fr;padding-top:48px;padding-bottom:48px;gap:36px}
  .hero h1{font-size:36px}
  .hero-visual{max-width:520px;margin:0 auto}
  .prod-grid,.art-grid,.svc-grid{grid-template-columns:repeat(2,1fr)}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .stats .wrap{grid-template-columns:repeat(2,1fr);gap:26px}
  .about-grid,.contact-wrap{grid-template-columns:1fr;gap:32px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .scene-card.featured{flex-direction:column}
  .scene-card.featured .f-img{min-height:220px}
  .p-main{grid-template-columns:1fr;gap:30px}
  .gallery{position:static}
  .app-grid{grid-template-columns:repeat(2,1fr)}
  .art-main{grid-template-columns:1fr;gap:36px}
  .side{position:static}
  .cat-head h1{font-size:30px}
  .foot-top{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:768px){
  .topbar .tb-left{display:none}
  .topbar .wrap{justify-content:center}
  .nav .wrap{height:62px;gap:14px}
  .logo-text b{font-size:17px}
  .nav-cta .nav-tel,.nav-cta .btn-blue{display:none}
  .nav-menu{top:62px}
  .crumb{font-size:12px}
  .crumb span:last-child{display:inline-block;max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;vertical-align:bottom}
  .hero h1{font-size:29px}
  .hero-sub{font-size:15px}
  .hero .wrap{padding-top:36px;padding-bottom:36px;gap:16px}
  .chip-tag.ct-1{left:-4px}
  .chip-tag.ct-2{left:-4px;bottom:76px}
  .chip-tag.ct-3{right:-4px}
  .sec{padding:54px 0}
  .sec-head h2{font-size:24px}
  body.home .sec{padding:56px 0}
  body.home .sec-head h2{font-size:26px}
  body.post-type-archive-product .sec,
  body.page-template-scenes-template .sec,
  body.blog .sec{padding:4px 0 56px}
  body.single-product .sec{padding:46px 0}
  .prod-grid,.art-grid,.svc-grid{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:1fr}
  body.home .scene-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .scene-grid .scene-note{display:none}
  .pcard .p-img img{width:82%}
  .steps{grid-template-columns:1fr 1fr;gap:14px}
  .form-row{grid-template-columns:1fr}
  .cat-head .wrap{padding-top:32px;padding-bottom:30px}
  .cat-head h1{font-size:25px}
  .cat-head .ch-side{min-width:100%}
  .filter-bar .f-count{display:none}
  .scene-hero{height:auto;min-height:400px}
  .scene-hero .wrap{padding-top:46px;padding-bottom:46px}
  .scene-hero h1{font-size:28px}
  .scene-hero .sh-mask{background:linear-gradient(180deg,rgba(8,20,40,.9) 0%,rgba(8,20,40,.65) 100%)}
  .g-info h1{font-size:21px}
  .g-feat{grid-template-columns:1fr}
  .spec-table th,.spec-table td{padding:11px 14px}
  .art-main{padding:32px 0 48px}
  .art-head h1{font-size:22px}
  .art-body{font-size:14.5px}
  .art-body table th,.art-body table td{padding:8px 10px;font-size:12.5px}
  .prev-next{grid-template-columns:1fr}
  .stats .wrap{gap:20px}
  .stat b{font-size:30px}
  .foot-top{grid-template-columns:1fr;gap:26px;padding-top:40px}
}