/* 上海增骏实业官网 · 视觉系统
   配色对齐 GRAPHTEC 品牌蓝；字体使用系统字体栈（无版权风险） */
:root{
  --blue:#1e56a0; --blue-dark:#174178; --blue-soft:#eaf1fb; --blue-line:#d3e0f3;
  --accent:#f7d305; --ink:#1c2a3e; --body:#3d4b60; --muted:#66748a;
  --line:#e4eaf3; --bg:#ffffff; --bg-soft:#f6f8fc; --bg-deep:#0f2c53;
  --shadow:0 8px 28px rgba(23,65,120,.09); --shadow-hover:0 16px 40px rgba(23,65,120,.16);
  --radius:10px; --radius-lg:16px; --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--body);font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--blue);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--blue-dark)}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4{color:var(--ink);line-height:1.3;margin:0 0 .6em;font-weight:700}
h1{font-size:clamp(32px,4vw,52px)} h2{font-size:clamp(25px,2.6vw,36px)} h3{font-size:20px} h4{font-size:17px}
p{margin:0 0 1em}
.container{width:min(var(--maxw),calc(100% - 48px));margin-inline:auto}
.section{padding:88px 0}
.section-tight{padding:56px 0 72px}
.section-soft{background:var(--bg-soft)}
.muted{color:var(--muted)}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--blue);color:#fff;padding:10px 16px;z-index:999}
.skip-link:focus{left:8px;top:8px}
.source-note{font-size:13px;color:var(--muted);margin-top:18px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:8px;padding:11px 22px;font-size:15px;font-weight:600;line-height:1.4;text-align:center;transition:all .2s ease;white-space:nowrap}
.btn-lg{padding:14px 28px;font-size:16px;min-height:50px}
.btn-sm{padding:9px 17px;font-size:14px}
.btn-block{width:100%}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 4px 12px rgba(30,86,160,.2)}
.btn-primary:hover{background:var(--blue-dark);color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(30,86,160,.28)}
.btn-outline{border-color:var(--blue);color:var(--blue);background:transparent}
.btn-outline:hover{background:var(--blue);color:#fff}
.btn-accent{background:var(--accent);color:#1c2a3e}
.btn-accent:hover{background:#ffdf2b;color:#1c2a3e;transform:translateY(-1px)}
.btn-ghost-light{border-color:rgba(255,255,255,.65);color:#fff}
.btn-ghost-light:hover{background:rgba(255,255,255,.14);color:#fff}

/* ---------- 顶部条 / 导航 ---------- */
.topbar{background:var(--blue-dark);color:rgba(255,255,255,.85);font-size:13px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;min-height:38px;gap:16px}
.topbar a{color:#fff;margin-left:20px}
.topbar a:hover{color:var(--accent)}
.topbar-left{display:flex;align-items:center;gap:9px}
.pulse{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(247,211,5,.18);flex:none}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.97);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;gap:20px;min-height:78px}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink);flex:none}
.brand:hover{color:var(--ink)}
.brand-mark{display:grid;place-items:center}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:20px;letter-spacing:.5px;color:var(--blue-dark)}
.brand-text small{font-size:11px;color:var(--muted);letter-spacing:1.2px}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.main-nav a{position:relative;color:var(--body);font-size:14.5px;font-weight:500;padding:12px 10px;border-radius:6px;white-space:nowrap}
.main-nav a:hover{color:var(--blue);background:var(--blue-soft)}
.main-nav a.active{color:var(--blue);font-weight:700}
.main-nav a.active::after{content:"";position:absolute;left:10px;right:10px;bottom:4px;height:2px;background:var(--blue);border-radius:2px}
.nav-mobile-only{display:none}
.header-actions{display:flex;align-items:center;gap:12px;flex:none}
.header-search{display:flex;align-items:center;border:1px solid var(--line);border-radius:8px;background:var(--bg-soft);overflow:hidden;height:38px}
.header-search input{border:0;background:transparent;outline:0;padding:0 10px;width:140px;font-size:13px;color:var(--ink)}
.header-search button{border:0;background:transparent;color:var(--muted);display:grid;place-items:center;padding:0 10px;height:100%}
.header-search button:hover{color:var(--blue)}
.menu-toggle{display:none;flex-direction:column;gap:5px;background:transparent;border:0;padding:10px}
.menu-toggle span{display:block;width:24px;height:2px;background:var(--ink);border-radius:2px;transition:.2s}

/* ---------- 首屏 ---------- */
.hero{background:linear-gradient(120deg,#f7faff 0%,#eef4fc 52%,#e6effb 100%);overflow:hidden;position:relative}
.hero::before{content:"";position:absolute;right:-160px;top:-160px;width:620px;height:620px;border-radius:50%;background:radial-gradient(circle,rgba(30,86,160,.09),transparent 68%)}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding:76px 0 84px;position:relative}
.eyebrow{display:inline-flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--blue-line);color:var(--blue);font-size:13px;font-weight:600;padding:8px 16px;border-radius:100px;margin-bottom:22px;box-shadow:0 3px 12px rgba(30,86,160,.06)}
.hero h1{font-size:clamp(34px,3.7vw,50px);letter-spacing:-.5px;margin-bottom:18px;color:var(--blue-dark)}
.hero-sub{font-size:clamp(17px,1.5vw,21px);color:var(--blue);font-weight:600;margin-bottom:14px}
.hero-desc{font-size:16px;color:var(--body);max-width:560px;margin-bottom:30px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:40px}
.hero-facts{display:flex;gap:34px;border-top:1px solid var(--blue-line);padding-top:22px}
.hero-facts div{display:flex;flex-direction:column}
.hero-facts strong{font-size:24px;color:var(--blue-dark);line-height:1.2}
.hero-facts span{font-size:13px;color:var(--muted)}
.hero-visual{position:relative}
.hero-img-frame{background:#fff;border-radius:var(--radius-lg);padding:30px;box-shadow:0 24px 60px rgba(23,65,120,.16);border:1px solid rgba(255,255,255,.9);position:relative}
.hero-img-frame img{width:100%;height:auto;object-fit:contain;max-height:340px;margin:auto}
.hero-img-empty{height:300px;display:grid;place-items:center;color:var(--muted)}
.hero-badge{position:absolute;right:-18px;top:26px;background:var(--blue);color:#fff;border-radius:12px;padding:14px 20px;box-shadow:var(--shadow-hover);display:flex;flex-direction:column}
.hero-badge strong{font-size:17px}
.hero-badge span{font-size:12px;opacity:.85}
.hero-float{position:absolute;left:-26px;bottom:-20px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:11px 17px;font-size:13px;color:var(--body);box-shadow:var(--shadow);display:flex;align-items:center;gap:9px}

.trust-strip{background:var(--blue-dark);color:rgba(255,255,255,.9)}
.trust-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:62px;font-size:14px;flex-wrap:wrap}
.trust-inner span{display:flex;align-items:center;gap:9px}
.trust-inner a{color:var(--accent);font-weight:600;white-space:nowrap}

/* ---------- 区块标题 ---------- */
.kicker{display:block;color:var(--blue);font-size:12px;font-weight:700;letter-spacing:2.2px;text-transform:uppercase;margin-bottom:10px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px}
.section-head h2{margin-bottom:8px}
.section-head p{color:var(--muted);margin:0;max-width:640px}
.section-head.compact{margin-bottom:18px}
.link-more{color:var(--blue);font-weight:600;font-size:14px;white-space:nowrap;padding-bottom:6px}
.link-more:hover{color:var(--blue-dark)}

/* ---------- 产品 ---------- */
.cat-pills{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:28px}
.cat-pills a{border:1px solid var(--line);background:#fff;color:var(--body);padding:8px 18px;border-radius:100px;font-size:14px;font-weight:500}
.cat-pills a:hover{border-color:var(--blue);color:var(--blue)}
.cat-pills a.active{background:var(--blue);border-color:var(--blue);color:#fff}
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.product-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.product-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:var(--blue-line)}
.pc-media{position:relative;display:block;background:linear-gradient(160deg,#f8fafd,#eef3fa);height:214px;padding:20px;overflow:hidden}
.pc-media img{width:100%;height:100%;object-fit:contain;transition:transform .3s ease}
.product-card:hover .pc-media img{transform:scale(1.05)}
.pc-noimg{height:100%;display:grid;place-content:center;text-align:center;color:var(--blue);opacity:.6}
.pc-noimg span{font-size:22px;font-weight:800;letter-spacing:2px}
.pc-noimg.big{height:320px;font-size:1.4em}
.pc-tag{position:absolute;left:14px;top:14px;background:rgba(30,86,160,.92);color:#fff;font-size:11px;padding:4px 10px;border-radius:100px}
.pc-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.pc-model{font-size:12px;font-weight:700;color:var(--blue);letter-spacing:1px;margin-bottom:6px}
.pc-body h3{font-size:17px;margin-bottom:10px;line-height:1.45}
.pc-body h3 a{color:var(--ink)}
.pc-body h3 a:hover{color:var(--blue)}
.pc-body p{font-size:13.5px;color:var(--muted);line-height:1.7;flex:1;margin-bottom:16px}
.pc-foot{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding-top:14px;font-size:13px;font-weight:600}
.pc-quote{color:var(--muted)}
.pc-quote:hover{color:var(--blue)}
.filter-bar{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:30px}
.filter-bar .cat-pills{margin-bottom:0}
.filter-search{display:flex;border:1px solid var(--line);border-radius:8px;overflow:hidden;height:42px;background:#fff}
.filter-search input{border:0;outline:0;padding:0 14px;width:200px;font-size:14px}
.filter-search button{border:0;background:var(--blue);color:#fff;padding:0 20px;font-size:14px;font-weight:600}
.filter-search button:hover{background:var(--blue-dark)}
.product-note{margin-top:42px;background:var(--bg-soft);border-left:3px solid var(--blue);padding:18px 22px;border-radius:0 8px 8px 0;font-size:14px}
.product-note strong{color:var(--ink)}
.product-note p{margin:6px 0 0;color:var(--muted)}

/* ---------- 首页可编辑区块 ---------- */
.section-lead{color:var(--muted);max-width:720px;margin-bottom:34px}
.signal-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin-bottom:22px}
.signal-card{background:#fff;border:1px solid var(--blue-line);border-radius:12px;padding:24px 18px;text-align:center;box-shadow:0 4px 14px rgba(30,86,160,.05);transition:.2s}
.signal-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.signal-card strong{display:block;font-size:21px;color:var(--blue-dark);margin-bottom:6px}
.signal-card span{font-size:13px;color:var(--muted)}
.adv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.adv-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:28px 24px;position:relative;transition:.2s}
.adv-card:hover{border-color:var(--blue-line);box-shadow:var(--shadow)}
.adv-num{display:block;font-size:30px;font-weight:800;color:var(--blue-line);line-height:1;margin-bottom:18px}
.adv-card h3{font-size:17px;margin-bottom:9px}
.adv-card p{font-size:14px;color:var(--muted);margin:0}

/* ---------- 方案卡片 ---------- */
.solution-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.solution-grid.large{grid-template-columns:repeat(3,1fr)}
.solution-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:28px 26px;display:flex;flex-direction:column;transition:.22s;color:var(--body)}
.solution-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:var(--blue-line);color:var(--body)}
.sol-icon{width:50px;height:50px;border-radius:12px;background:var(--blue-soft);color:var(--blue);display:grid;place-items:center;margin-bottom:18px}
.sol-industry{font-size:12px;color:var(--blue);font-weight:700;letter-spacing:1px;margin-bottom:6px}
.solution-card h3{font-size:19px;margin-bottom:10px}
.solution-card p{font-size:14px;color:var(--muted);flex:1}
.sol-more{color:var(--blue);font-size:14px;font-weight:600;margin-top:12px}
.capability-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.cap-num{font-size:28px;font-weight:800;color:var(--blue-line)}
.capability-grid h3{margin:8px 0 8px}
.capability-grid p{color:var(--muted);font-size:14px;margin:0}

/* ---------- 关于 + 新闻 ---------- */
.about-news-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px}
.about-brief h2,.news-brief h2{margin-bottom:14px}
.check-list{list-style:none;padding:0;margin:22px 0 26px}
.check-list li{position:relative;padding-left:28px;margin-bottom:10px;font-size:15px}
.check-list li::before{content:"✓";position:absolute;left:0;top:0;color:var(--blue);font-weight:800}
.news-row{display:grid;grid-template-columns:96px 1fr 20px;gap:14px;align-items:center;padding:16px 0;border-bottom:1px solid var(--line);color:var(--ink)}
.news-row:hover{color:var(--blue)}
.news-row time{font-size:13px;color:var(--muted)}
.news-row span{font-size:15px;line-height:1.5}
.news-row em{color:var(--blue);font-style:normal}

/* ---------- CTA / 页脚 ---------- */
.cta-band{background:linear-gradient(110deg,var(--blue-dark),var(--blue));color:#fff;padding:58px 0}
.cta-band.slim{padding:44px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
.cta-inner h2{color:#fff;margin-bottom:8px;font-size:clamp(23px,2.2vw,30px)}
.cta-inner p{color:rgba(255,255,255,.85);margin:0;max-width:640px}
.cta-actions{display:flex;gap:12px;flex:none}
.site-footer{background:#122b4a;color:rgba(255,255,255,.72);padding:60px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:40px;padding-bottom:44px}
.footer-brand{display:flex;flex-direction:column;margin-bottom:16px}
.footer-brand strong{font-size:20px;color:#fff}
.footer-brand small{font-size:12px;color:var(--accent);letter-spacing:1px}
.footer-col h3{color:#fff;font-size:16px;margin-bottom:18px}
.footer-col>a{display:block;color:rgba(255,255,255,.72);font-size:14px;margin-bottom:10px}
.footer-col>a:hover{color:var(--accent)}
.footer-about p{font-size:14px;line-height:1.8;max-width:360px}
.icp{display:inline-block;font-size:13px;color:rgba(255,255,255,.66);margin-top:8px}
.icp:hover{color:var(--accent)}
.footer-contact p{font-size:14px;margin-bottom:12px;display:flex;gap:12px;align-items:baseline}
.footer-contact p span{color:rgba(255,255,255,.5);min-width:36px;font-size:13px}
.footer-contact a{color:rgba(255,255,255,.86)}
.footer-contact a:hover{color:var(--accent)}
.footer-qr{width:104px;height:104px;object-fit:cover;background:#fff;border-radius:8px;margin-top:8px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 0;font-size:12.5px;color:rgba(255,255,255,.55)}
.footer-bottom .container{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}

/* ---------- 内页头部 ---------- */
.page-hero{background:linear-gradient(120deg,#f3f7fd,#e9f1fb);padding:52px 0 58px;border-bottom:1px solid var(--blue-line)}
.page-hero.compact{padding:40px 0 44px}
.page-hero h1{font-size:clamp(28px,3vw,40px);margin-bottom:10px;color:var(--blue-dark)}
.page-hero p{color:var(--body);margin:0;max-width:760px}
.breadcrumb{display:flex;gap:9px;align-items:center;font-size:13px;color:var(--muted);margin-bottom:22px;flex-wrap:wrap}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--blue)}
.article-meta{font-size:14px!important;color:var(--muted)!important;margin-top:12px!important}
.article-meta a{color:var(--blue)}

/* ---------- 产品详情 ---------- */
.detail-breadcrumb{padding-top:22px}
.product-detail{padding:22px 0 20px}
.pd-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.pd-main-img{background:linear-gradient(160deg,#f8fafd,#eef3fa);border:1px solid var(--line);border-radius:var(--radius-lg);padding:34px;min-height:360px;display:grid;place-items:center}
.pd-main-img img{max-height:340px;width:100%;object-fit:contain}
.pd-thumbs{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}
.thumb{width:74px;height:64px;border:1px solid var(--line);border-radius:8px;background:#fff;padding:6px;overflow:hidden}
.thumb.active,.thumb:hover{border-color:var(--blue)}
.thumb img{width:100%;height:100%;object-fit:contain}
.pd-model{display:inline-block;background:var(--blue-soft);color:var(--blue);font-size:13px;font-weight:700;letter-spacing:1px;padding:5px 12px;border-radius:6px;margin-bottom:14px}
.pd-info h1{font-size:clamp(26px,2.6vw,36px);margin-bottom:14px}
.nobr{white-space:nowrap}
.pd-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}
.pd-tags span{font-size:12.5px;border:1px solid var(--blue-line);color:var(--blue);padding:3px 11px;border-radius:100px}
.pd-summary{font-size:15.5px;line-height:1.85;color:var(--body);margin-bottom:20px}
.pd-features{list-style:none;padding:0;margin:0 0 26px;background:var(--bg-soft);border-radius:10px;padding:18px 20px}
.pd-features li{position:relative;padding-left:22px;font-size:14px;margin-bottom:8px}
.pd-features li:last-child{margin-bottom:0}
.pd-features li::before{content:"";position:absolute;left:2px;top:9px;width:7px;height:7px;border-radius:50%;background:var(--blue)}
.pd-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:20px}
.pd-assurance{display:flex;gap:20px;flex-wrap:wrap;font-size:13px;color:var(--muted);border-top:1px solid var(--line);padding-top:16px}
.detail-tabs{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden}
.tab-head{display:flex;gap:0;background:var(--bg-soft);border-bottom:1px solid var(--line)}
.tab-head button{border:0;background:transparent;padding:16px 30px;font-size:15px;font-weight:600;color:var(--muted);border-bottom:3px solid transparent}
.tab-head button:hover{color:var(--blue)}
.tab-head button.active{color:var(--blue);border-bottom-color:var(--blue);background:#fff}
.tab-panel{display:none;padding:32px 34px}
.tab-panel.active{display:block}
.spec-group{margin-bottom:32px}
.spec-group h3{font-size:17px;color:var(--blue-dark);border-left:3px solid var(--blue);padding-left:12px;margin-bottom:14px}
.spec-table,.spec-mini{width:100%;border-collapse:collapse;font-size:14px}
.spec-table th,.spec-table td,.spec-mini td{border:1px solid var(--line);padding:10px 14px;text-align:left;vertical-align:top}
.spec-table th{width:34%;background:var(--bg-soft);color:var(--ink);font-weight:600}
.spec-table tr:hover td{background:#fbfdff}
.spec-mini{margin:14px 0}
.spec-mini td{color:var(--body)}
.spec-empty{text-align:center;padding:30px 10px}
.spec-empty p{color:var(--muted)}

/* ---------- 正文排版 ---------- */
.prose{font-size:15.5px;line-height:1.9;color:var(--body)}
.prose h2{font-size:26px;color:var(--blue-dark);border-bottom:2px solid var(--blue-line);padding-bottom:8px;margin:34px 0 16px}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:19px;color:var(--ink);margin:26px 0 12px}
.prose h4{font-size:16px;margin:20px 0 10px}
.prose ul,.prose ol{padding-left:24px;margin:0 0 18px}
.prose li{margin-bottom:8px}
.prose strong{color:var(--ink)}
.prose a{text-decoration:underline}
.prose table{margin:14px 0 20px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start}
.article-main{min-width:0}
.article-side{position:sticky;top:100px;display:flex;flex-direction:column;gap:18px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px}
.side-card h3{font-size:17px;margin-bottom:10px;color:var(--blue-dark)}
.side-card p{font-size:14px;color:var(--muted)}
.side-product{display:flex;flex-direction:column;padding:10px 0;border-bottom:1px solid var(--line);font-size:13px}
.side-product strong{color:var(--blue)}
.side-product span{color:var(--muted)}
.side-product:hover span{color:var(--blue)}
.side-link{display:block;font-size:14px;padding:9px 0;border-bottom:1px solid var(--line)}
.side-card .link-more{display:inline-block;margin-top:14px}

/* ---------- 新闻 ---------- */
.news-list{max-width:900px}
.news-card{display:grid;grid-template-columns:82px 1fr 28px;gap:24px;align-items:start;background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px 26px;margin-bottom:16px;color:var(--ink);transition:.2s}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--blue-line);color:var(--ink)}
.news-date{background:var(--blue-soft);border-radius:10px;text-align:center;padding:10px 4px}
.news-date strong{display:block;font-size:24px;color:var(--blue);line-height:1.2}
.news-date span{font-size:11px;color:var(--muted)}
.news-meta{font-size:12px;color:var(--muted);display:flex;gap:10px;align-items:center;margin-bottom:6px}
.badge-top{background:var(--blue);color:#fff;padding:2px 9px;border-radius:4px;font-size:11px}
.news-body h2{font-size:19px;margin-bottom:8px}
.news-body p{font-size:14px;color:var(--muted);margin:0}
.news-arrow{color:var(--blue);font-size:20px;align-self:center}
.notice-band{background:var(--bg-soft);border-top:1px solid var(--line);padding:52px 0;text-align:center}
.notice-band h2{font-size:24px}
.notice-band p{max-width:760px;margin:0 auto 20px;color:var(--muted)}

/* ---------- 联系 ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:56px;align-items:start}
.contact-cards{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:26px 0}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:16px 18px;display:flex;flex-direction:column;gap:4px}
.contact-card span{font-size:12px;color:var(--muted)}
.contact-card a,.contact-card strong{font-size:16px;color:var(--blue-dark);font-weight:700}
.contact-card.muted-card strong{font-size:13px;font-weight:500;line-height:1.7;color:var(--muted)}
.contact-tips{background:var(--bg-soft);border-radius:12px;padding:22px 24px}
.contact-tips h3{font-size:17px}
.contact-tips ul{margin:0;padding-left:20px;font-size:14px}
.contact-tips li{margin-bottom:7px}
.contact-qr{width:140px;border-radius:10px;margin-top:22px}
.contact-form-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:32px}
.contact-form h2{font-size:22px;margin-bottom:4px}
.form-hint{font-size:13px;color:var(--muted);margin-bottom:22px}
.form-hint em,.form-row em{color:#d13b3b;font-style:normal}
.form-row{display:block;margin-bottom:18px;font-size:14px;font-weight:600;color:var(--ink)}
.form-row.two{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-row.two label{display:flex;flex-direction:column;gap:7px}
.form-row input,.form-row select,.form-row textarea{width:100%;border:1px solid var(--line);border-radius:8px;padding:11px 13px;font-size:14px;font-weight:400;color:var(--ink);background:#fff;outline:0;font-family:inherit;transition:.18s}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(30,86,160,.1)}
.form-row textarea{resize:vertical;min-height:130px}
.form-row label{margin-bottom:0}
.hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;overflow:hidden}
.form-note{font-size:12px;color:var(--muted);text-align:center;margin:14px 0 0}
.form-alert{border-radius:10px;padding:16px 20px;margin-bottom:20px;font-size:14px}
.form-alert.success{background:#eaf7ef;border:1px solid #bce5cb;color:#1d6b3b}
.form-alert.error{background:#fdeeee;border:1px solid #f3c4c4;color:#a53232}
.form-alert p{margin:4px 0 0}

/* ---------- 搜索 / 404 ---------- */
.big-search{display:flex;gap:12px;max-width:720px;margin-bottom:44px}
.big-search input{flex:1;border:1px solid var(--line);border-radius:8px;padding:12px 16px;font-size:15px;outline:0}
.big-search input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(30,86,160,.1)}
.result-title{font-size:20px;border-bottom:2px solid var(--line);padding-bottom:10px;margin:34px 0 20px}
.result-title span{color:var(--blue);font-size:15px}
.result-links{display:grid;gap:10px}
.result-links a{display:flex;justify-content:space-between;gap:20px;background:#fff;border:1px solid var(--line);border-radius:8px;padding:14px 18px;font-size:15px}
.result-links a:hover{border-color:var(--blue)}
.result-links span{color:var(--muted);font-size:13px}
.not-found{text-align:center;padding:100px 0}
.nf-code{font-size:110px;font-weight:800;color:var(--blue-line);line-height:1}
.not-found h1{margin:10px 0}
.not-found p{color:var(--muted)}
.nf-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:26px}
.empty-state{text-align:center;padding:64px 20px;background:var(--bg-soft);border-radius:12px}
.empty-state h3{margin-bottom:8px}
.empty-state p{color:var(--muted);margin-bottom:20px}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .header-search{display:none}
  .main-nav a{padding:11px 9px;font-size:14px}
  .main-nav a.active::after{left:9px;right:9px}
  .hero-inner{gap:30px}
  .hero-badge{right:0}
  .hero-float{left:0}
  .about-news-grid{gap:36px}
  .article-layout{grid-template-columns:minmax(0,1fr) 270px;gap:30px}
}
@media (max-width:900px){
  .menu-toggle{display:flex}
  .header-inner{min-height:66px;gap:12px}
  .main-nav{position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch;padding:10px 24px 18px;display:none;gap:0}
  .main-nav.open{display:flex}
  .main-nav a{padding:12px 8px;border-bottom:1px solid var(--line);font-size:15px}
  .main-nav a.active::after{display:none}
  .nav-mobile-only{display:block}
  .hero-inner{grid-template-columns:1fr;padding:52px 0 60px}
  .hero-visual{max-width:520px;margin:auto;width:100%}
  .hero-badge{right:0;top:10px}
  .product-grid,.solution-grid,.solution-grid.large{grid-template-columns:repeat(2,1fr)}
  .adv-grid{grid-template-columns:repeat(2,1fr)}
  .signal-grid{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:30px}
  .pd-grid{grid-template-columns:1fr;gap:30px}
  .about-news-grid,.contact-grid{grid-template-columns:1fr;gap:36px}
  .article-layout{grid-template-columns:1fr}
  .article-side{position:static;display:grid;grid-template-columns:repeat(2,1fr)}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .trust-inner{justify-content:center;padding:14px 0;gap:12px 24px}
}
@media (max-width:640px){
  .container{width:min(100% - 28px,var(--maxw))}
  .section{padding:56px 0}
  .section-tight{padding:36px 0 48px}
  .topbar-right{display:none}
  .brand-text strong{font-size:17px}
  .header-actions .btn{display:none}
  .hero-inner{padding:42px 0 52px}
  .hero h1{font-size:31px}
  .hero-facts{gap:20px;flex-wrap:wrap}
  .hero-facts strong{font-size:20px}
  .hero-img-frame{padding:18px}
  .hero-badge{position:static;display:inline-flex;margin-top:14px}
  .hero-float{position:static;margin-top:12px}
  .product-grid,.solution-grid,.solution-grid.large,.adv-grid,.signal-grid,.capability-grid{grid-template-columns:1fr}
  .signal-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom .container{flex-direction:column;gap:6px}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px}
  .tab-head button{padding:13px 16px;font-size:14px;flex:1}
  .tab-panel{padding:22px 18px}
  .news-card{grid-template-columns:64px 1fr;gap:14px;padding:18px}
  .news-arrow{display:none}
  .contact-cards,.form-row.two,.article-side{grid-template-columns:1fr}
  .contact-form-wrap{padding:22px}
  .cta-actions{width:100%;flex-wrap:wrap}
  .cta-actions .btn{flex:1}
  .nf-actions{flex-direction:column}
  .nf-actions .btn{width:100%}
  .big-search{flex-direction:column}
  .spec-table th{width:40%}
  .spec-table th,.spec-table td,.spec-mini td{padding:8px 10px;font-size:13px}
}

/* ---------- 增骏 Logo ---------- */
.brand-logo{width:46px;height:46px;object-fit:contain;display:block}
.footer-logo{width:60px;height:60px;object-fit:contain;background:#fff;border-radius:12px;padding:5px;margin-bottom:16px}

/* ---------- 配套产品区块 ---------- */
.accessory-grid .pc-media{height:190px;background:linear-gradient(160deg,#fff,#eef4fb)}
.accessory-note{margin:22px 0 0;padding:15px 20px;border-left:3px solid var(--blue);background:#fff;border-radius:0 8px 8px 0;color:var(--muted);font-size:14px}
.product-subhead{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin:8px 0 22px}
.product-subhead + .product-grid + .product-subhead{margin-top:60px}
.product-subhead h2{font-size:24px;margin-bottom:5px}
.product-subhead h2 span{display:inline-block;font-size:13px;font-weight:600;color:var(--blue);background:var(--blue-soft);padding:3px 10px;border-radius:100px;vertical-align:middle;margin-left:8px}
.product-subhead p{margin:0;color:var(--muted);font-size:14px}
.subhead-link{color:var(--blue);font-size:14px;font-weight:600;white-space:nowrap;padding-bottom:4px}
.subhead-link:hover{color:var(--blue-dark)}
@media (max-width:640px){
  .product-subhead{flex-direction:column;align-items:flex-start;gap:6px}
  .product-subhead + .product-grid + .product-subhead{margin-top:44px}
  .footer-logo{width:54px;height:54px}
}
.footer-contact p:not(:has(span)){display:block;line-height:1.8}
.form-row.two label{display:block}
.form-row.two label input{display:block;margin-top:7px}