/* ============================================================
   乐兮建站 CMS 官网静态页
   基调：白底 + 细线 + 大留白，单一克制的品牌蓝，无大面积色块
   ============================================================ */
:root{
  --c-text:#18233a;
  --c-body:#55617a;
  --c-muted:#8b95a9;
  --c-line:#e6eaf2;
  --c-line-strong:#d5dbe7;
  --c-bg:#ffffff;
  --c-bg-soft:#f6f8fb;
  --c-accent:#2154cf;
  --c-accent-ink:#183f9f;
  --c-accent-soft:#eef3fd;
  --c-footer:#131a27;
  --radius:10px;
  --container:1200px;
  --shadow-sm:0 1px 2px rgba(24,35,58,.05);
  --shadow-md:0 16px 40px -18px rgba(24,35,58,.18);
  --font:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{font-family:var(--font);font-size:15px;line-height:1.75;color:var(--c-body);background:var(--c-bg)}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
button{border:0;background:none;cursor:pointer}
h1,h2,h3,h4{color:var(--c-text);line-height:1.35;font-weight:700}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- 通用 ---------- */
.section{padding:92px 0}
.section-soft{background:var(--c-bg-soft)}
.section-head{max-width:640px;margin:0 auto 52px;text-align:center}
.section-head h2{font-size:32px;margin:10px 0 14px;letter-spacing:.5px}
.section-head p{font-size:15px;color:var(--c-muted)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:2px;color:var(--c-accent)}
.eyebrow::before,.section-head .eyebrow::after{content:'';width:22px;height:1px;background:var(--c-accent);opacity:.45}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;border-radius:8px;font-size:15px;font-weight:500;border:1px solid transparent;transition:all .2s ease;white-space:nowrap}
.btn-sm{padding:9px 20px;font-size:14px}
.btn-primary{background:var(--c-accent);color:#fff}
.btn-primary:hover{background:var(--c-accent-ink);box-shadow:0 10px 22px -10px rgba(33,84,207,.55);transform:translateY(-1px)}
.btn-ghost{border-color:var(--c-line-strong);color:var(--c-text);background:#fff}
.btn-ghost:hover{border-color:var(--c-accent);color:var(--c-accent)}
.btn .icon{width:16px;height:16px}
.badge{display:inline-block;padding:2px 10px;border-radius:4px;font-size:12px;font-weight:500;color:var(--c-accent);background:var(--c-accent-soft)}
.icon{width:20px;height:20px;flex:none}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:90;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--c-line)}
.header-inner{display:flex;align-items:center;gap:44px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{width:34px;height:34px;flex:none}
.brand-name{font-size:19px;font-weight:700;color:var(--c-text);letter-spacing:.5px}
.brand-name em{font-style:normal;color:var(--c-accent);margin-left:3px;font-size:15px;font-weight:600}
.site-nav{display:flex;gap:36px;margin-left:auto}
.site-nav a{display:flex;align-items:center;height:72px;font-size:15px;color:var(--c-text);position:relative;transition:color .2s}
.site-nav a:hover{color:var(--c-accent)}
.site-nav a.active{color:var(--c-accent);font-weight:600}
.site-nav a.active::after{content:'';position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--c-accent)}
.header-extra{display:flex;align-items:center;gap:22px;flex:none}
.header-tel{display:flex;align-items:center;gap:7px;font-size:15px;font-weight:600;color:var(--c-text);font-variant-numeric:tabular-nums}
.header-tel .icon{width:15px;height:15px;color:var(--c-accent)}
.nav-toggle{display:none;flex-direction:column;gap:5px;padding:8px}
.nav-toggle span{width:22px;height:2px;background:var(--c-text);border-radius:2px;transition:.2s}

/* ---------- 首页 Hero ---------- */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#fbfcfe 0%,#fff 100%)}
.hero::before{content:'';position:absolute;top:-260px;right:-180px;width:640px;height:640px;border-radius:50%;background:radial-gradient(circle,rgba(33,84,207,.07) 0%,rgba(33,84,207,0) 65%)}
.hero-inner{display:grid;grid-template-columns:1.02fr .98fr;gap:64px;align-items:center;padding:88px 0 76px;position:relative}
.hero h1{font-size:46px;letter-spacing:1px;margin:18px 0 20px}
.hero-lead{font-size:16.5px;line-height:1.9;color:var(--c-body);max-width:520px}
.hero-actions{display:flex;gap:14px;margin:34px 0 30px}
.hero-checks{display:flex;flex-wrap:wrap;gap:10px 26px;font-size:14px;color:var(--c-muted)}
.hero-checks li{display:flex;align-items:center;gap:7px}
.hero-checks .icon{width:15px;height:15px;color:var(--c-accent)}
.browser-frame{background:#fff;border:1px solid var(--c-line);border-radius:14px;box-shadow:var(--shadow-md);overflow:hidden}
.browser-bar{display:flex;align-items:center;gap:6px;padding:11px 16px;border-bottom:1px solid var(--c-line);background:#fafbfd}
.browser-bar i{width:10px;height:10px;border-radius:50%;background:#e2e7f0}
.browser-bar .addr{flex:1;margin-left:12px;height:22px;border-radius:6px;background:#eff2f8;max-width:320px}
.trust-bar{border-top:1px solid var(--c-line);background:#fff}
.trust-inner{display:grid;grid-template-columns:repeat(4,1fr);padding:30px 0}
.trust-item{text-align:center;padding:6px 12px}
.trust-item+.trust-item{border-left:1px solid var(--c-line)}
.trust-item strong{display:block;font-size:30px;font-weight:700;color:var(--c-text);font-variant-numeric:tabular-nums;letter-spacing:.5px}
.trust-item strong em{font-style:normal;font-size:16px;color:var(--c-accent);margin-left:2px}
.trust-item span{font-size:13.5px;color:var(--c-muted)}

/* ---------- 功能网格 ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.feature-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);padding:30px 26px;transition:all .25s ease}
.feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:transparent}
.feature-icon{width:46px;height:46px;border-radius:10px;background:var(--c-accent-soft);display:flex;align-items:center;justify-content:center;color:var(--c-accent);margin-bottom:18px}
.feature-icon .icon{width:22px;height:22px}
.feature-card h3{font-size:16.5px;margin-bottom:8px}
.feature-card p{font-size:13.5px;line-height:1.75;color:var(--c-muted)}

/* ---------- 图文交替 ---------- */
.showcase-row{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}
.showcase-row+.showcase-row{margin-top:88px}
.showcase-row.reverse .showcase-text{order:2}
.showcase-row.reverse .showcase-media{order:1}
.showcase-text .eyebrow{margin-bottom:12px}
.showcase-text h3{font-size:27px;margin-bottom:16px;letter-spacing:.5px}
.showcase-text>p{color:var(--c-body);margin-bottom:22px}
.check-list li{display:flex;gap:11px;padding:7px 0;font-size:15px;color:var(--c-body)}
.check-list .icon{width:18px;height:18px;color:var(--c-accent);margin-top:4px}
.check-list strong{color:var(--c-text);font-weight:600}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;position:relative}
.steps::before{content:'';position:absolute;top:23px;left:12%;right:12%;border-top:1px dashed var(--c-line-strong)}
.step{text-align:center;position:relative}
.step-no{width:46px;height:46px;border-radius:50%;border:1px solid var(--c-accent);color:var(--c-accent);background:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;position:relative;z-index:1;letter-spacing:1px}
.step h3{font-size:17px;margin:16px 0 8px}
.step p{font-size:13.5px;color:var(--c-muted);max-width:230px;margin:0 auto}

/* ---------- 模板 / 产品卡片 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.card-grid.cols-3{grid-template-columns:repeat(3,1fr)}
.tpl-card,.news-card,.product-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);overflow:hidden;transition:all .25s ease;display:block}
.tpl-card:hover,.news-card:hover,.product-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.card-thumb{position:relative;overflow:hidden;border-bottom:1px solid var(--c-line)}
.card-thumb img{width:100%;aspect-ratio:4/3;object-fit:cover}
.tpl-card .card-body{padding:16px 18px;display:flex;align-items:center;justify-content:space-between}
.tpl-card h3{font-size:15.5px;font-weight:600}
.tpl-card .card-body span{font-size:12.5px;color:var(--c-muted)}
.news-card .card-body{padding:20px 22px 22px}
.news-card h3{font-size:16.5px;line-height:1.55;margin:10px 0 12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s}
.news-card:hover h3{color:var(--c-accent)}
.news-card time{font-size:13px;color:var(--c-muted)}
.product-card .card-body{padding:18px 20px 20px}
.product-card h3{font-size:16px;margin:8px 0 8px;transition:color .2s}
.product-card:hover h3{color:var(--c-accent)}
.product-card p{font-size:13.5px;color:var(--c-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:14px}
.card-more{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;color:var(--c-accent);font-weight:500}
.card-more .icon{width:14px;height:14px;transition:transform .2s}
.product-card:hover .card-more .icon{transform:translateX(3px)}

/* ---------- CTA ---------- */
.cta-band{background:var(--c-bg-soft);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);text-align:center;padding:76px 0}
.cta-band h2{font-size:30px;margin-bottom:14px}
.cta-band p{color:var(--c-muted);margin-bottom:32px}
.cta-band .hero-actions{justify-content:center;margin:0}
.cta-band.cta-white{background:#fff;border-bottom:0}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-footer);color:#9aa5bb;font-size:14px}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:56px;padding:64px 0 52px}
.footer-brand .brand-name{color:#fff}
.footer-brand p{margin:18px 0 0;font-size:13.5px;line-height:1.9;color:#7e8aa2;max-width:300px}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:20px}
.footer-col li{margin-bottom:11px}
.footer-col a{color:#9aa5bb;font-size:13.5px;transition:color .2s}
.footer-col a:hover{color:#fff}
.footer-contact li{display:flex;gap:10px;margin-bottom:13px;font-size:13.5px;line-height:1.7}
.footer-contact .icon{width:16px;height:16px;color:#5f6d8c;margin-top:4px}
.footer-contact strong{color:#d8deeb;font-weight:600;font-size:15px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.07);padding:20px 0;display:flex;justify-content:space-between;gap:16px;font-size:12.5px;color:#66738f}
.footer-bottom a{color:#66738f}
.footer-bottom a:hover{color:#fff}

/* ---------- 内页横幅 / 面包屑 ---------- */
.page-banner{background:linear-gradient(180deg,#f4f7fc 0%,#fbfcfe 100%);border-bottom:1px solid var(--c-line);padding:58px 0 50px}
.page-banner h1{font-size:33px;letter-spacing:1px;margin-top:10px}
.page-banner .sub{margin-top:12px;color:var(--c-muted);font-size:15px;max-width:560px}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-muted)}
.crumbs a:hover{color:var(--c-accent)}
.crumbs .sep{opacity:.55}
.crumbs-bar{border-bottom:1px solid var(--c-line);background:#fbfcfe;padding:14px 0}

/* ---------- 关于我们 ---------- */
.about-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:64px;align-items:center}
.about-grid h2{font-size:28px;margin:12px 0 20px}
.about-grid .text p{margin-bottom:16px}
.about-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:30px;border-top:1px solid var(--c-line);padding-top:26px}
.about-stats strong{display:block;font-size:26px;color:var(--c-text);font-variant-numeric:tabular-nums}
.about-stats strong em{font-style:normal;font-size:14px;color:var(--c-accent);margin-left:1px}
.about-stats span{font-size:13px;color:var(--c-muted)}
.value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.value-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);padding:34px 30px;transition:all .25s ease}
.value-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.value-card h3{font-size:18px;margin:16px 0 10px}
.value-card p{font-size:14px;color:var(--c-muted)}
.timeline{max-width:760px;margin:0 auto;position:relative;padding-left:32px}
.timeline::before{content:'';position:absolute;left:7px;top:6px;bottom:6px;width:1px;background:var(--c-line-strong)}
.timeline li{position:relative;padding:0 0 34px 24px}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{content:'';position:absolute;left:-32px;top:7px;width:15px;height:15px;border-radius:50%;border:2px solid var(--c-accent);background:#fff;margin-left:1px}
.timeline .year{font-size:17px;font-weight:700;color:var(--c-accent);font-variant-numeric:tabular-nums}
.timeline h3{font-size:16px;margin:4px 0 6px}
.timeline p{font-size:14px;color:var(--c-muted);max-width:560px}
.honor-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.honor-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);overflow:hidden;text-align:center;transition:all .25s ease}
.honor-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.honor-card figcaption{padding:14px;font-size:14px;color:var(--c-text);font-weight:500;border-top:1px solid var(--c-line)}

/* ---------- 列表页布局（侧栏 + 内容） ---------- */
.listing{display:grid;grid-template-columns:260px 1fr;gap:44px;align-items:start}
.listing.listing-right{grid-template-columns:1fr 300px}
.side-widget{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);overflow:hidden}
.side-widget+.side-widget{margin-top:22px}
.side-widget h3{font-size:15px;padding:16px 20px;border-bottom:1px solid var(--c-line)}
.side-cats a{display:flex;justify-content:space-between;align-items:center;padding:12px 20px;font-size:14px;color:var(--c-body);border-left:2px solid transparent;transition:all .2s}
.side-cats a:hover{color:var(--c-accent);background:#fafbfd}
.side-cats a.active{color:var(--c-accent);border-left-color:var(--c-accent);background:var(--c-accent-soft);font-weight:600}
.side-cats span{font-size:12px;color:var(--c-muted)}
.side-help{padding:22px 20px}
.side-help p{font-size:13px;color:var(--c-muted);margin-bottom:6px}
.side-help strong{display:block;font-size:19px;color:var(--c-text);font-variant-numeric:tabular-nums;margin-bottom:16px}
.listing-toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;font-size:13.5px;color:var(--c-muted)}
.listing-toolbar b{color:var(--c-text)}

/* ---------- 分页 ---------- */
.pagination{display:flex;justify-content:center;gap:8px;margin-top:48px}
.pagination a,.pagination span{min-width:38px;height:38px;padding:0 12px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--c-line);border-radius:8px;font-size:14px;color:var(--c-body);transition:all .2s;background:#fff}
.pagination a:hover{border-color:var(--c-accent);color:var(--c-accent)}
.pagination .current{background:var(--c-accent);border-color:var(--c-accent);color:#fff}
.pagination .disabled{color:var(--c-line-strong);pointer-events:none}

/* ---------- 产品详情 ---------- */
.product-top{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.gallery-main{border:1px solid var(--c-line);border-radius:var(--radius);overflow:hidden}
.gallery-thumbs{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:12px}
.gallery-thumbs button{border:1px solid var(--c-line);border-radius:8px;overflow:hidden;transition:border-color .2s;background:#fff;padding:0}
.gallery-thumbs button.active,.gallery-thumbs button:hover{border-color:var(--c-accent)}
.product-info h1{font-size:26px;margin:8px 0 14px}
.product-info .summary{color:var(--c-body);padding-bottom:22px;border-bottom:1px dashed var(--c-line-strong);margin-bottom:22px}
.spec-list{display:grid;grid-template-columns:1fr 1fr;gap:13px 32px;margin-bottom:28px}
.spec-list div{font-size:14px}
.spec-list dt{color:var(--c-muted);font-size:12.5px;margin-bottom:2px}
.spec-list dd{color:var(--c-text);font-weight:500}
.product-info .hero-actions{margin:0 0 26px}
.service-notes{display:flex;gap:22px;flex-wrap:wrap;font-size:13px;color:var(--c-muted);border-top:1px solid var(--c-line);padding-top:20px}
.service-notes li{display:flex;align-items:center;gap:6px}
.service-notes .icon{width:15px;height:15px;color:var(--c-accent)}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--c-line);margin-bottom:34px}
.tabs button{padding:13px 26px;font-size:15px;color:var(--c-body);position:relative;font-weight:500}
.tabs button.active{color:var(--c-accent);font-weight:600}
.tabs button.active::after{content:'';position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--c-accent)}
.tab-pane{display:none}
.tab-pane.active{display:block}
.spec-table{width:100%;border-collapse:collapse;font-size:14px}
.spec-table th,.spec-table td{border:1px solid var(--c-line);padding:12px 18px;text-align:left}
.spec-table th{width:200px;background:var(--c-bg-soft);color:var(--c-text);font-weight:600}
.spec-table td{color:var(--c-body)}

/* ---------- 新闻列表 ---------- */
.news-row{display:grid;grid-template-columns:264px 1fr;gap:28px;padding:26px 0;border-bottom:1px solid var(--c-line)}
.news-row:first-child{padding-top:0}
.news-row .thumb{border:1px solid var(--c-line);border-radius:var(--radius);overflow:hidden}
.news-row .thumb img{aspect-ratio:4/3;object-fit:cover;width:100%;transition:transform .3s}
.news-row:hover .thumb img{transform:scale(1.04)}
.news-row h3{font-size:18.5px;line-height:1.5;margin:6px 0 10px;transition:color .2s}
.news-row:hover h3{color:var(--c-accent)}
.news-row .excerpt{font-size:14px;color:var(--c-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-row .meta{display:flex;gap:20px;margin-top:14px;font-size:13px;color:var(--c-muted)}
.news-row .meta li{display:flex;align-items:center;gap:6px}
.news-row .meta .icon{width:14px;height:14px}
.hot-list li{padding:13px 20px;border-bottom:1px solid var(--c-line);display:flex;gap:12px;align-items:baseline}
.hot-list li:last-child{border-bottom:0}
.hot-list i{font-style:normal;font-size:13px;font-weight:700;color:var(--c-muted);font-variant-numeric:tabular-nums}
.hot-list li:nth-child(-n+3) i{color:var(--c-accent)}
.hot-list a{font-size:13.5px;line-height:1.6;color:var(--c-body);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.hot-list a:hover{color:var(--c-accent)}
.tag-cloud{padding:18px 20px;display:flex;flex-wrap:wrap;gap:10px}
.tag-cloud a{padding:5px 14px;border:1px solid var(--c-line);border-radius:99px;font-size:12.5px;color:var(--c-body);transition:all .2s}
.tag-cloud a:hover{border-color:var(--c-accent);color:var(--c-accent)}

/* ---------- 文章正文 ---------- */
.article-wrap{max-width:860px;margin:0 auto}
.article-head{text-align:center;padding-bottom:28px;border-bottom:1px solid var(--c-line);margin-bottom:36px}
.article-head h1{font-size:30px;line-height:1.5;margin:16px 0 18px}
.article-meta{display:flex;justify-content:center;gap:24px;font-size:13.5px;color:var(--c-muted)}
.article-meta li{display:flex;align-items:center;gap:6px}
.article-meta .icon{width:14px;height:14px}
.article{font-size:15.5px;line-height:2;color:#3d485f}
.article p{margin-bottom:20px}
.article h2{font-size:22px;margin:44px 0 18px;padding-left:14px;border-left:3px solid var(--c-accent);line-height:1.4}
.article h3{font-size:18px;margin:30px 0 14px}
.article ul{margin:0 0 20px;padding-left:6px}
.article ul li{position:relative;padding-left:20px;margin-bottom:10px}
.article ul li::before{content:'';position:absolute;left:2px;top:13px;width:6px;height:6px;border-radius:50%;background:var(--c-accent);opacity:.6}
.article blockquote{border-left:3px solid var(--c-accent);background:var(--c-bg-soft);padding:18px 24px;border-radius:0 8px 8px 0;margin:0 0 20px;color:var(--c-body);font-size:14.5px}
.article figure{margin:28px auto;max-width:880px}
.article figure img{border:1px solid var(--c-line);border-radius:var(--radius);width:100%}
.article figcaption{text-align:center;font-size:13px;color:var(--c-muted);margin-top:10px}
.article-tags{display:flex;gap:10px;margin:36px 0 0;padding-top:24px;border-top:1px dashed var(--c-line-strong)}
.article-tags a{padding:5px 14px;border:1px solid var(--c-line);border-radius:99px;font-size:12.5px;color:var(--c-body)}
.article-tags a:hover{border-color:var(--c-accent);color:var(--c-accent)}
.prev-next{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:36px}
.prev-next a{border:1px solid var(--c-line);border-radius:var(--radius);padding:18px 22px;transition:all .2s;background:#fff}
.prev-next a:hover{border-color:var(--c-accent);box-shadow:var(--shadow-sm)}
.prev-next small{display:block;font-size:12.5px;color:var(--c-muted);margin-bottom:6px}
.prev-next strong{font-size:14.5px;color:var(--c-text);font-weight:500;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.prev-next a:hover strong{color:var(--c-accent)}

/* ---------- 联系我们 ---------- */
.contact-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-bottom:64px}
.contact-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);padding:28px 26px;transition:all .25s ease}
.contact-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.contact-card h3{font-size:15px;margin:14px 0 6px}
.contact-card p{font-size:14.5px;color:var(--c-body);font-variant-numeric:tabular-nums}
.contact-card small{display:block;font-size:12.5px;color:var(--c-muted);margin-top:4px}
.contact-main{display:grid;grid-template-columns:1.06fr .94fr;gap:56px;align-items:start}
.form-panel h2,.map-panel h2{font-size:24px;margin:8px 0 8px}
.form-panel>p,.map-panel>p{font-size:14px;color:var(--c-muted);margin-bottom:28px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-field{display:flex;flex-direction:column;gap:8px}
.form-field.full{grid-column:1/-1}
.form-field label{font-size:13.5px;font-weight:600;color:var(--c-text)}
.form-field label em{font-style:normal;color:#d43c3c;margin-left:2px}
.form-field input,.form-field select,.form-field textarea{border:1px solid var(--c-line-strong);border-radius:8px;padding:11px 14px;font-size:14.5px;background:#fff;color:var(--c-text);transition:all .2s;width:100%}
.form-field textarea{resize:vertical;min-height:130px}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{outline:none;border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(33,84,207,.12)}
.form-foot{grid-column:1/-1;display:flex;align-items:center;gap:18px;margin-top:6px}
.form-foot small{font-size:12.5px;color:var(--c-muted)}
.form-success{grid-column:1/-1;display:none;align-items:center;gap:10px;background:#f0f9f1;border:1px solid #cde8d2;color:#2c7a3f;border-radius:8px;padding:13px 18px;font-size:14px}
.form-success.show{display:flex}
.map-box{border:1px solid var(--c-line);border-radius:var(--radius);overflow:hidden}
.visit-tips{margin-top:22px;border-top:1px dashed var(--c-line-strong);padding-top:20px}
.visit-tips li{display:flex;gap:10px;font-size:14px;color:var(--c-body);margin-bottom:10px}
.visit-tips .icon{width:16px;height:16px;color:var(--c-accent);margin-top:5px}
.faq-list{max-width:820px;margin:0 auto}
.faq-list details{border:1px solid var(--c-line);border-radius:var(--radius);margin-bottom:14px;background:#fff;overflow:hidden}
.faq-list summary{padding:18px 24px;font-size:15.5px;font-weight:600;color:var(--c-text);cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:'+';font-size:20px;color:var(--c-muted);font-weight:400;transition:transform .2s}
.faq-list details[open] summary::after{transform:rotate(45deg);color:var(--c-accent)}
.faq-list details p{padding:0 24px 20px;font-size:14px;color:var(--c-body);line-height:1.9}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .hero h1{font-size:38px}
  .hero-inner{gap:40px}
  .feature-grid,.card-grid{grid-template-columns:repeat(2,1fr)}
  .card-grid.cols-3{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr;gap:40px}
  .steps{grid-template-columns:repeat(2,1fr);gap:36px}
  .steps::before{display:none}
  .listing,.listing.listing-right{grid-template-columns:1fr;gap:32px}
  .honor-grid{grid-template-columns:repeat(2,1fr)}
  .contact-cards{grid-template-columns:repeat(2,1fr)}
  .header-tel{display:none}
}
@media (max-width:768px){
  .section{padding:64px 0}
  .site-nav{position:fixed;top:72px;left:0;right:0;background:#fff;flex-direction:column;gap:0;padding:8px 24px 16px;border-bottom:1px solid var(--c-line);box-shadow:var(--shadow-md);display:none}
  .site-nav.open{display:flex}
  .site-nav a{height:52px;border-bottom:1px solid var(--c-line)}
  .site-nav a.active::after{display:none}
  .nav-toggle{display:flex}
  .header-extra{margin-left:auto}
  .header-extra .btn{display:none}
  .hero-inner{grid-template-columns:1fr;padding:56px 0}
  .hero h1{font-size:32px}
  .trust-inner{grid-template-columns:repeat(2,1fr);gap:18px 0}
  .trust-item:nth-child(3){border-left:0}
  .showcase-row{grid-template-columns:1fr;gap:32px}
  .showcase-row.reverse .showcase-text{order:1}
  .showcase-row.reverse .showcase-media{order:2}
  .feature-grid,.card-grid,.card-grid.cols-3,.steps{grid-template-columns:1fr}
  .about-grid,.product-top,.contact-main{grid-template-columns:1fr;gap:36px}
  .about-stats{grid-template-columns:repeat(2,1fr)}
  .news-row{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr;gap:36px}
  .footer-bottom{flex-direction:column;gap:6px}
  .prev-next{grid-template-columns:1fr}
  .value-grid{grid-template-columns:1fr}
}

/* ============================================================
   CMS 模板补充（静态稿之外的系统场景）
   ============================================================ */
/* 主题令牌桥：layout 注入的 --primary/--radius 映射到设计系统变量 */
:root{
  --c-accent:var(--primary,#2154cf);
  --c-accent-ink:var(--primary-ink,#183f9f);
  --c-bg-soft:var(--surface,#f6f8fb);
  --radius:var(--corner,10px);
  --container:var(--container-w,1200px);
}
/* 图形符号型功能图标（content 驱动，非 SVG） */
.feature-icon{font-size:21px;line-height:1;font-weight:600}
/* 空态与提示 */
.empty{padding:36px 0;text-align:center;color:var(--c-muted);font-size:14px}
/* 多级导航下拉（后台导航菜单的 children） */
.nav-item.has-children{position:relative;display:flex;align-items:center}
.nav-item.has-children>a{display:flex;align-items:center;gap:4px;height:72px;font-size:15px;color:var(--c-text)}
.nav-item.has-children>a:hover{color:var(--c-accent)}
.nav-caret{width:14px;height:14px;transition:transform .2s}
.nav-item.has-children:hover .nav-caret{transform:rotate(180deg)}
.nav-dropdown{position:absolute;top:100%;left:50%;transform:translate(-50%,6px);min-width:160px;background:#fff;border:1px solid var(--c-line);border-radius:10px;box-shadow:var(--shadow-md);padding:8px;opacity:0;visibility:hidden;transition:all .2s}
.nav-item.has-children:hover .nav-dropdown{opacity:1;visibility:visible;transform:translate(-50%,0)}
.nav-dropdown a{display:block;padding:9px 14px;border-radius:6px;font-size:14px;color:var(--c-body);white-space:nowrap}
.nav-dropdown a:hover{background:var(--c-bg-soft);color:var(--c-accent)}
/* 第三级：分组标题 + 缩进子项（导航树最深三级） */
.nav-dropdown-group{border-top:1px solid var(--c-line);margin-top:4px;padding-top:4px}
.nav-dropdown-group:first-child{border-top:0;margin-top:0;padding-top:0}
.nav-dropdown-parent{font-weight:600;color:var(--c-text)}
.nav-dropdown-sub{padding-left:26px !important;font-size:13px !important;color:var(--c-muted) !important}
.nav-dropdown-sub:hover{color:var(--c-accent) !important}
@media (max-width:768px){
  .nav-item.has-children{flex-direction:column;align-items:stretch}
  .nav-item.has-children>a{height:52px;border-bottom:1px solid var(--c-line)}
  .nav-dropdown{position:static;transform:none;opacity:1;visibility:visible;border:0;box-shadow:none;padding:0 0 0 16px}
}
/* 页头搜索与语言切换 */
.nav-search input{height:32px;padding:0 12px;border:1px solid var(--c-line-strong);border-radius:16px;font-size:13px;outline:none;max-width:150px;background:#fff;color:var(--c-text)}
.nav-search input:focus{border-color:var(--c-accent)}
.lang-switch{display:flex;gap:2px;border:1px solid var(--c-line);border-radius:8px;padding:2px}
.lang-switch a{padding:3px 10px;border-radius:6px;font-size:12.5px;color:var(--c-body)}
.lang-switch a.current{background:var(--c-accent);color:#fff}
/* 留言表单（挂件接口驱动的裸字段版式） */
.contact-form{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.contact-form input,.contact-form textarea{border:1px solid var(--c-line-strong);border-radius:8px;padding:11px 14px;font-size:14.5px;background:#fff;color:var(--c-text);width:100%;transition:all .2s}
.contact-form textarea{grid-column:1/-1;resize:vertical;min-height:120px}
.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(33,84,207,.12)}
.contact-form button{grid-column:1/-1;justify-self:start}
.contact-feedback{grid-column:1/-1;border-radius:8px;padding:12px 16px;font-size:14px}
.contact-feedback.is-ok{background:#f0f9f1;border:1px solid #cde8d2;color:#2c7a3f}
.contact-feedback.is-err{background:#fdf2f2;border:1px solid #f2d4d4;color:#b34040}
/* 列表分类筛选 chips */
.news-cats{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 22px}
.news-cats a{padding:5px 14px;border:1px solid var(--c-line);border-radius:99px;font-size:13px;color:var(--c-body);transition:all .2s}
.news-cats a:hover{border-color:var(--c-accent);color:var(--c-accent)}
.news-cats a.is-active{background:var(--c-accent);border-color:var(--c-accent);color:#fff}
/* 分类分组标题（产品列表按分类分组） */
.list-category{font-size:20px;margin:34px 0 18px;padding-left:12px;border-left:3px solid var(--c-accent)}
.list-category:first-of-type{margin-top:0}
/* 详情通用 */
.article-cover{border:1px solid var(--c-line);border-radius:var(--radius);margin:0 0 24px;width:100%}
.detail-images{display:grid;gap:14px;margin-bottom:24px}
.detail-images img{border:1px solid var(--c-line);border-radius:var(--radius);width:100%}
.detail-summary{font-size:15.5px;color:var(--c-body);padding:16px 20px;background:var(--c-bg-soft);border-radius:8px;margin-bottom:22px}
.related-list ul{display:grid;grid-template-columns:1fr 1fr;gap:8px 28px;margin-top:14px}
.related-list li{position:relative;padding-left:16px}
.related-list li::before{content:'';position:absolute;left:2px;top:12px;width:5px;height:5px;border-radius:50%;background:var(--c-accent);opacity:.6}
.related-list a{font-size:14px;color:var(--c-body)}
.related-list a:hover{color:var(--c-accent)}
.related-list h2{font-size:18px;margin-top:36px;padding-top:24px;border-top:1px dashed var(--c-line-strong)}
/* 404 */
.error-404{text-align:center;padding:40px 0 20px}
.error-404 .error-code{font-size:96px;font-weight:700;color:var(--c-line-strong);line-height:1;letter-spacing:4px}
.error-404 h2{font-size:20px;margin:18px 0 10px}
.error-404 .error-tip{color:var(--c-muted);font-size:14px;margin-bottom:28px}
/* 友情链接（页脚） */
.friend-links{display:flex;flex-wrap:wrap;gap:8px 18px;padding:18px 0 0;font-size:12.5px;color:#66738f}
.friend-links a{color:#8b96ac}
.friend-links a:hover{color:#fff}
@media (max-width:768px){
  .contact-form{grid-template-columns:1fr}
  .related-list ul{grid-template-columns:1fr}
}