/* ============================================================
   测绘仪器中国 / 广州星耀测绘  ·  全站样式
   可调整参数集中在 :root 变量中（配色 / 圆角 / 容器宽度 / 间距）
   ============================================================ */
:root{
  --ink:#152a3e;          /* 主深墨蓝 */
  --ink-2:#223d59;
  --accent:#c4342b;       /* 朱红（呼应原站红色 Logo） */
  --accent-dark:#a52a22;
  --paper:#ffffff;
  --bg:#f6f8fa;
  --bg-soft:#eef2f6;
  --text:#26313d;
  --muted:#71808f;
  --line:#e2e8ee;
  --radius:6px;
  --container:1200px;
  --section-gap:88px;
  --shadow:0 12px 32px rgba(21,42,62,.08);
  --font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--text);background:var(--paper);line-height:1.75;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button,input,textarea,select{font-family:inherit;font-size:inherit;outline:none}
.container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
.section{padding:var(--section-gap) 0}
.section.alt{background:var(--bg)}
.tc{text-align:center}

/* ---------- 顶部细条 ---------- */
.topbar{background:var(--ink);color:rgba(255,255,255,.72);font-size:12px;height:36px;line-height:36px}
.topbar .container{display:flex;justify-content:space-between;align-items:center}
.topbar a{color:rgba(255,255,255,.72);transition:color .2s}
.topbar a:hover{color:#fff}
.topbar .quick{display:flex;gap:16px}
.topbar .quick span{color:rgba(255,255,255,.28)}

/* ---------- 页头 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);backdrop-filter:blur(8px)}
.header-inner{display:flex;align-items:center;height:84px;gap:32px}
.brand{display:flex;align-items:center;flex-shrink:0}
.brand img{height:52px;width:auto;object-fit:contain}
.brand-fallback{font-size:24px;font-weight:800;letter-spacing:2px;color:var(--accent)}
.main-nav{margin-left:auto;display:flex;align-items:center;gap:2px}
.main-nav a{position:relative;padding:10px 12px;font-size:14px;font-weight:600;color:#3c4b5a;white-space:nowrap;transition:color .2s}
.main-nav a:hover,.main-nav a.active{color:var(--accent)}
.main-nav a.active::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--accent)}
.header-hotline{display:flex;flex-direction:column;align-items:flex-end;padding-left:22px;border-left:1px solid var(--line);line-height:1.3;flex-shrink:0}
.header-hotline small{color:var(--muted);font-size:11px;letter-spacing:1px}
.header-hotline strong{font-size:19px;color:var(--accent);font-weight:800;letter-spacing:.5px}
.nav-toggle{display:none;margin-left:auto;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:var(--radius);cursor:pointer;padding:11px}
.nav-toggle i{display:block;height:2px;background:var(--ink);margin:4px 0;transition:.25s}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 28px;border:1px solid transparent;border-radius:var(--radius);font-size:14px;font-weight:700;cursor:pointer;transition:.22s;letter-spacing:.5px}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-2px);box-shadow:0 10px 22px rgba(196,52,43,.25)}
.btn-ghost{border-color:rgba(255,255,255,.6);color:#fff;background:transparent}
.btn-ghost:hover{background:#fff;color:var(--ink)}
.btn-outline{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-outline:hover{background:var(--ink);color:#fff}
.btn-sm{padding:9px 18px;font-size:13px}

/* ---------- 首屏 ---------- */
.hero{position:relative;min-height:560px;display:flex;align-items:center;color:#fff;overflow:hidden;background:var(--ink)}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:none}
.hero-bg img{display:block;width:100%;height:100%;object-fit:cover;object-position:center}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(12,28,45,.92) 0%,rgba(12,28,45,.74) 45%,rgba(12,28,45,.26) 100%)}
.hero .container{position:relative;z-index:2}
.hot-title{font-size:17px;font-weight:700;margin:0 0 6px}
.hero-eyebrow{font-size:13px;letter-spacing:5px;color:rgba(255,255,255,.7);text-transform:uppercase;margin-bottom:22px}
.hero h1{font-size:clamp(36px,5vw,60px);line-height:1.25;font-weight:800;letter-spacing:2px;margin-bottom:18px}
.hero h1 em{font-style:normal;color:#ffb4a9}
.hero p.lead{font-size:18px;color:rgba(255,255,255,.84);letter-spacing:2px;margin-bottom:30px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-meta{margin-top:44px;display:flex;gap:38px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.18);padding-top:22px}
.hero-meta div{display:flex;flex-direction:column}
.hero-meta b{font-size:22px;font-weight:800;letter-spacing:1px}
.hero-meta span{font-size:12px;color:rgba(255,255,255,.62);letter-spacing:1px}
.hero-slide{position:absolute;inset:0;opacity:0;transition:opacity 1.1s;overflow:hidden}
.hero-slide.on{opacity:1}

/* ---------- 区块标题 ---------- */
.section-head{margin-bottom:44px}
.section-head .en{font-size:12px;letter-spacing:4px;text-transform:uppercase;color:var(--accent);font-weight:700}
.section-head h2{font-size:clamp(26px,3.2vw,36px);font-weight:800;color:var(--ink);letter-spacing:2px;margin-top:8px}
.section-head p{color:var(--muted);font-size:15px;margin-top:10px}
.section-head::after{content:"";display:block;width:46px;height:3px;background:var(--accent);margin-top:18px}
.section-head.center{text-align:center}
.section-head.center::after{margin-left:auto;margin-right:auto}
.section-head.light h2{color:#fff}
.section-head.light p{color:rgba(255,255,255,.7)}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:38px}
.head-row .section-head{margin-bottom:0}

/* ---------- 分类卡片 ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.cat-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s;display:block}
.cat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:#d3dbe4}
.cat-thumb{height:180px;background:var(--bg) center/contain no-repeat;padding:16px}
.cat-thumb img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply}
.cat-body{padding:18px 20px 22px;display:flex;align-items:center;justify-content:space-between}
.cat-body h3{font-size:16px;font-weight:700;color:var(--ink)}
.cat-body span{font-size:12px;color:var(--muted)}
.cat-body i{font-style:normal;color:var(--accent);font-size:18px}

/* ---------- 产品 / 图文卡片 ---------- */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s;display:flex;flex-direction:column}
a.card{text-decoration:none;color:inherit}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.card-pic{aspect-ratio:1/1;background:var(--bg);display:flex;align-items:center;justify-content:center;overflow:hidden;padding:14px}
.card-pic img{width:100%;height:100%;object-fit:contain;transition:transform .4s}
.card:hover .card-pic img{transform:scale(1.05)}
.card-pic.cover{padding:0}
.card-pic.cover img{object-fit:cover}
.card-body{padding:18px 18px 20px;flex:1;display:flex;flex-direction:column}
.card-body h3{font-size:15px;font-weight:700;line-height:1.5;color:var(--ink);min-height:46px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-body .tag{font-size:12px;color:var(--accent);letter-spacing:.5px;align-self:flex-start}
.card-body .excerpt{font-size:13px;color:var(--muted);line-height:1.7;margin-top:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{display:flex;align-items:center;justify-content:space-between;padding:12px 18px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}
.card-foot a{color:var(--accent);font-weight:700}
.img-fallback{width:100%;height:100%;min-height:160px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#eef2f6,#dde6ee);color:#8a99a8;font-size:13px;text-align:center;padding:20px}

/* ---------- 优势 ---------- */
.adv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.adv-item{padding:36px 28px;border-right:1px solid var(--line);transition:.25s}
.adv-item:last-child{border-right:0}
.adv-item:hover{background:var(--bg)}
.adv-no{font-size:38px;font-weight:800;color:#e6ecf2;line-height:1;letter-spacing:-1px}
.adv-item h3{font-size:18px;color:var(--ink);margin:18px 0 4px;font-weight:700}
.adv-item .en{font-size:10px;letter-spacing:2px;color:var(--accent);text-transform:uppercase}
.adv-item p{font-size:13px;color:var(--muted);line-height:1.85;margin-top:14px}

/* ---------- 关于 ---------- */
.about-wrap{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.about-visual{position:relative}
.about-visual img{width:100%;border-radius:var(--radius);box-shadow:var(--shadow)}
.about-visual::before{content:"";position:absolute;left:-18px;top:-18px;width:120px;height:120px;border-left:3px solid var(--accent);border-top:3px solid var(--accent);z-index:-1}
.about-badge{position:absolute;right:-24px;bottom:28px;background:var(--ink);color:#fff;padding:22px 26px;border-radius:var(--radius);box-shadow:var(--shadow)}
.about-badge b{font-size:30px;color:#ffb4a9;display:block;line-height:1.1}
.about-badge span{font-size:12px;letter-spacing:1px;opacity:.8}
.about-text h2{font-size:32px;color:var(--ink);font-weight:800;letter-spacing:1px}
.about-text .sub{color:var(--accent);font-size:13px;letter-spacing:3px;margin-bottom:10px;text-transform:uppercase}
.about-text p{color:var(--muted);font-size:15px;margin:20px 0;line-height:2}
.about-points{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:24px 0 30px}
.about-points span{display:flex;gap:9px;align-items:center;font-size:14px;color:var(--ink)}
.about-points span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);flex-shrink:0}

/* ---------- 数字/信任条 ---------- */
.stat-strip{background:var(--ink);color:#fff;padding:38px 0}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stat-grid b{display:block;font-size:32px;font-weight:800;letter-spacing:1px;color:#fff}
.stat-grid.stat-compact b{font-size:19px;letter-spacing:0;line-height:1.4;word-break:break-all}
.stat-grid span{font-size:13px;color:rgba(255,255,255,.65);letter-spacing:1px}
.stat-grid>div{border-right:1px solid rgba(255,255,255,.14)}
.stat-grid>div:last-child{border-right:0}

/* ---------- 新闻列表 ---------- */
.news-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.news-item{display:flex;gap:20px;padding:22px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;transition:.25s}
.news-item:hover{border-color:#cdd8e3;box-shadow:var(--shadow);transform:translateX(4px)}
.news-date{flex-shrink:0;width:104px;text-align:center;border-right:1px solid var(--line);padding-right:16px}
.news-date b{display:block;font-size:15px;line-height:1.35;color:var(--accent);font-weight:800;white-space:nowrap}
.news-date span{font-size:12px;color:var(--muted)}
.news-main h3{font-size:16px;color:var(--ink);font-weight:700;line-height:1.5}
.news-main p{font-size:13px;color:var(--muted);margin-top:8px;line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-main .tag{display:inline-block;margin-top:10px;font-size:11px;color:var(--accent);border:1px solid #f0cfcb;padding:1px 8px;border-radius:20px}

/* ---------- CTA ---------- */
.cta{background:linear-gradient(110deg,var(--ink) 0%,var(--ink-2) 100%);color:#fff;padding:64px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.cta h2{font-size:30px;font-weight:800;letter-spacing:1px}
.cta p{color:rgba(255,255,255,.7);margin-top:8px;font-size:15px}
.cta-phone{font-size:32px;font-weight:800;color:#ffb4a9;letter-spacing:1px;line-height:1.2}

/* ---------- 内页 ---------- */
.page-hero{background:var(--ink);color:#fff;padding:52px 0 46px;position:relative;overflow:hidden}
.page-hero::after{content:"";position:absolute;right:-60px;top:-80px;width:340px;height:340px;border:1px solid rgba(255,255,255,.09);border-radius:50%}
.page-hero h1{font-size:34px;font-weight:800;letter-spacing:2px}
.page-hero p{color:rgba(255,255,255,.65);margin-top:8px;font-size:14px;letter-spacing:1px}
.crumb{font-size:13px;color:var(--muted);margin-bottom:14px}
.crumb a:hover{color:var(--accent)}
.crumb span{margin:0 8px;color:#c3ccd5}

/* ---------- 筛选 ---------- */
.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.chip{padding:9px 20px;border:1px solid var(--line);border-radius:30px;background:#fff;font-size:14px;color:var(--text);cursor:pointer;transition:.2s}
.chip:hover{border-color:var(--accent);color:var(--accent)}
.chip.on{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:700}
.result-count{font-size:13px;color:var(--muted);margin-bottom:18px}

/* ---------- 表单 ---------- */
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{font-size:14px;font-weight:600;color:var(--ink)}
.field label i{font-style:normal;color:var(--accent)}
.field input,.field textarea,.field select{border:1px solid var(--line);border-radius:var(--radius);padding:12px 14px;background:#fff;color:var(--text);transition:.2s}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(196,52,43,.09)}
.field textarea{min-height:130px;resize:vertical}
.form-note{font-size:13px;color:var(--muted);margin-top:12px}
.form-ok{display:none;margin-top:16px;padding:12px 16px;background:#eef7f0;color:#2f7a48;border-radius:var(--radius);font-size:14px}
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:56px}
.contact-info dl{display:grid;grid-template-columns:76px 1fr;gap:16px 12px;font-size:15px}
.contact-info dt{color:var(--muted);font-weight:600}
.contact-info dd{color:var(--ink)}
.contact-info .highlight{color:var(--accent);font-size:22px;font-weight:800;letter-spacing:.5px}

/* ---------- 服务卡 ---------- */
.service-card{padding:36px 30px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);transition:.25s}
.service-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.service-no{font-size:12px;letter-spacing:3px;color:var(--accent);font-weight:700}
.service-card h3{font-size:21px;color:var(--ink);margin:16px 0 12px;font-weight:700}
.service-card p{font-size:14px;color:var(--muted);line-height:1.9}

/* ---------- 页脚（按原站截图复刻） ---------- */
.footnav{background:#414141;color:#e6e6e6}
.footnav ul{display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:0;padding:16px 0}
.footnav li{padding:0 15px;font-size:13px;border-right:1px solid rgba(255,255,255,.22);line-height:1}
.footnav li:last-child{border-right:0}
.footnav a:hover{color:#fff;text-decoration:underline}
.site-footer{background:#fff;border-top:1px solid var(--line);padding:38px 0 0}
.footer-main{display:grid;grid-template-columns:200px 1fr 260px;gap:44px;align-items:start}
.footer-logo img{width:170px;height:auto;object-fit:contain}
.footer-logo .brand-fallback{font-size:20px}
.footer-copy li{font-size:13px;color:#5c6773;line-height:2;padding:1px 0}
.footer-copy a{color:#5c6773}
  .footer-copy .plain-qq{color:#5c6773}
.footer-copy a:hover{color:var(--accent)}
.footer-copy .icp{margin-top:6px;color:#8a939d;font-size:12px}
.footer-copy .icp a,.icp span{color:#8a939d;margin-right:12px}
.qr-list{display:flex;gap:22px;justify-content:flex-end}
.qr-list li{text-align:center;font-size:12px;color:#6b7683}
.qr-list img{width:96px;height:96px;object-fit:contain;border:1px solid var(--line);padding:4px;background:#fff;margin-bottom:6px}
.footer-tagline{text-align:center;font-size:13px;color:#8a939d;padding:30px 0 34px;line-height:1.9}
.footer-tagline a{color:#8a939d}
.footer-tagline a:hover{color:var(--accent)}

/* ---------- 悬浮件 ---------- */
.side-service{position:fixed;right:0;top:58%;z-index:70;background:var(--accent);color:#fff;writing-mode:vertical-rl;padding:16px 9px;font-size:13px;letter-spacing:3px;cursor:pointer;border-radius:4px 0 0 4px;box-shadow:-3px 4px 14px rgba(0,0,0,.14);transition:.2s}
.side-service:hover{background:var(--accent-dark);padding-right:13px}
.side-panel{position:fixed;right:0;top:58%;z-index:69;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);padding:16px 18px;border-radius:6px 0 0 6px;display:none;min-width:190px;font-size:13px}
.side-panel.on{display:block}
.side-panel b{display:block;color:var(--ink);margin-bottom:8px;font-size:14px}
.side-panel a{display:block;color:var(--muted);padding:3px 0}
  .side-panel .plain-qq{display:block;color:var(--muted);padding:3px 0}
.side-panel a:hover{color:var(--accent)}
.side-panel .tel{color:var(--accent);font-weight:800;font-size:16px}
.backtop{position:fixed;right:24px;bottom:28px;width:42px;height:42px;border-radius:var(--radius);background:var(--ink);color:#fff;display:none;align-items:center;justify-content:center;cursor:pointer;z-index:65;font-size:18px;box-shadow:var(--shadow)}
.backtop.on{display:flex}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .main-nav a{padding:10px 8px;font-size:13px}
  .header-hotline{display:none}
  .cat-grid,.grid-4{grid-template-columns:repeat(3,1fr)}
  .footer-main{grid-template-columns:160px 1fr 220px;gap:24px}
}
@media (max-width:860px){
  :root{--section-gap:60px}
  .nav-toggle{display:block}
  .header-inner{height:70px;gap:16px}
  .brand img{height:42px}
  .main-nav{position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;gap:0;border-bottom:1px solid var(--line);box-shadow:var(--shadow);display:none;padding:8px 0}
  .main-nav.open{display:flex}
  .main-nav a{padding:13px 24px;font-size:15px;border-bottom:1px solid #f1f4f7}
  .main-nav a.active::after{display:none}
  .cat-grid,.grid-4,.grid-3,.adv-grid,.stat-grid{grid-template-columns:repeat(2,1fr)}
  .adv-item:nth-child(2){border-right:0}
  .adv-item:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .stat-grid>div:nth-child(2){border-right:0}
  .about-wrap,.contact-grid{grid-template-columns:1fr;gap:40px}
  .about-visual::before,.about-badge{display:none}
  .news-list{grid-template-columns:1fr}
  .footer-main{grid-template-columns:1fr;gap:26px}
  .qr-list{justify-content:flex-start}
  .hero{min-height:470px}
  .hero-meta{gap:24px}
}
@media (max-width:560px){
  .container{width:calc(100% - 32px)}
  .topbar .quick{display:none}
  .cat-grid,.grid-4,.grid-3,.adv-grid{grid-template-columns:1fr}
  .adv-item{border-right:0;border-bottom:1px solid var(--line)}
  .adv-item:last-child{border-bottom:0}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:26px 0}
  .stat-grid>div:nth-child(odd){border-right:1px solid rgba(255,255,255,.14)}
  .stat-grid>div:nth-child(even){border-right:0}
  .form-grid{grid-template-columns:1fr}
  .head-row{flex-direction:column;align-items:flex-start}
  .side-service,.side-panel{display:none}
  .hero h1{font-size:32px}
  .cta-phone{font-size:26px}
  .footnav li{padding:0 9px;font-size:12px}
}

/* ---------- 搜索热词条（对应原站首页 search 区） ---------- */
.searchbar{background:#fff;border-bottom:1px solid var(--line);padding:15px 0}
.search-inner{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.search-inner .label{font-size:13px;color:var(--muted);white-space:nowrap}
.hotwords{display:flex;gap:8px;flex-wrap:wrap;flex:1}
.hotwords a{font-size:13px;color:var(--text);padding:5px 13px;background:var(--bg);border-radius:20px;transition:.2s}
.hotwords a:hover{background:var(--accent);color:#fff}
.search-form{display:flex;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.search-form input{border:0;padding:9px 14px;width:210px;font-size:13px;background:transparent;color:var(--text)}
.search-form button{border:0;background:var(--ink);color:#fff;padding:9px 20px;font-size:13px;font-weight:700;cursor:pointer;transition:.2s}
.search-form button:hover{background:var(--accent)}
.search-form.wide input{width:260px}
.search-form.wide{margin-bottom:26px}

/* ---------- 推荐 / 最新 双 tab ---------- */
.tabs{display:flex;gap:8px;margin-bottom:26px;border-bottom:1px solid var(--line)}
.tab{background:none;border:0;border-bottom:2px solid transparent;padding:11px 22px;font-size:15px;font-weight:700;color:var(--muted);cursor:pointer;transition:.2s}
.tab:hover{color:var(--accent)}
.tab.on{color:var(--accent);border-bottom-color:var(--accent)}

/* ---------- 15 年经验横幅 ---------- */
.heng{background:var(--ink);color:#fff;padding:44px 0}
.heng-inner{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.heng h2{font-size:26px;font-weight:800;letter-spacing:1px}
.heng p{color:rgba(255,255,255,.7);margin-top:8px;font-size:14px}
.heng-right{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.heng-right span{font-size:13px;color:rgba(255,255,255,.65)}
.heng-right b{font-size:30px;color:#ffb4a9;letter-spacing:1px}

/* ---------- 测绘资讯双栏 ---------- */
.news-columns{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.news-col{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.news-col-head{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:8px}
.news-col-head h3{font-size:18px;color:var(--ink);font-weight:700}
.news-col-head a{font-size:12px;color:var(--accent)}
.title-list li,.faq-list li{border-bottom:1px dashed var(--line)}
.title-list a{display:block;padding:9px 0;font-size:14px;color:var(--text);transition:.2s}
.title-list a:hover{color:var(--accent);transform:translateX(4px)}
.title-list li:last-child,.faq-list li:last-child{border-bottom:0}
.faq-list li{padding:12px 0}
.faq-list a{font-size:14px;font-weight:700;color:var(--ink);display:block;line-height:1.5}
.faq-list a:hover{color:var(--accent)}
.faq-list p{font-size:12px;color:var(--muted);line-height:1.7;margin-top:5px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-mini-links{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap}
.news-mini-links a{font-size:12px;padding:5px 12px;border:1px solid var(--line);border-radius:20px;color:var(--muted)}
.news-mini-links a:hover{color:var(--accent);border-color:var(--accent)}

/* ---------- 友情链接 ---------- */
.links{border-top:1px solid var(--line);padding:22px 0;background:var(--bg)}
.links-inner{display:flex;gap:14px;align-items:flex-start;flex-wrap:wrap;font-size:13px}
.links-inner b{color:var(--muted);white-space:nowrap;font-weight:600}
.links-list{display:flex;gap:8px 18px;flex-wrap:wrap}
.links-list a,.links-list span{color:var(--muted)}
.links-list a:hover{color:var(--accent)}

/* ---------- 网站地图 ---------- */
.sitemap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.sitemap-box{border:1px solid var(--line);border-radius:var(--radius);padding:26px;background:#fff}
.sitemap-box h3{font-size:17px;color:var(--ink);margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.sitemap-box a{display:block;font-size:14px;color:var(--muted);padding:5px 0}
.sitemap-box a:hover{color:var(--accent)}

@media (max-width:860px){
  .news-columns,.sitemap-grid{grid-template-columns:1fr}
  .search-form input{width:150px}
}
@media (max-width:560px){
  .search-form,.search-form.wide{width:100%}
  .search-form input,.search-form.wide input{width:100%;flex:1}
  .heng h2{font-size:21px}
  .heng-right b{font-size:24px}
}


/* ============================================================
   SEO / 可访问性 / 小屏自适应加固
   ============================================================ */
html{overflow-x:hidden}
body{overflow-wrap:break-word}
a,button,input,textarea,select{-webkit-tap-highlight-color:transparent}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:absolute;left:0;top:0;z-index:999;background:var(--accent);color:#fff;padding:10px 18px;font-size:14px;border-radius:0 0 var(--radius) 0;transform:translateY(-150%);white-space:nowrap}
.skip-link:focus{transform:translateY(0)}
.crumb{font-size:13px;color:var(--muted);margin-bottom:14px;overflow-wrap:anywhere}
.form-note,.footer-copy li,.footer-tagline,.about-text p,.adv-item p{overflow-wrap:anywhere}
img{height:auto}

@media (max-width:860px){
  .heng-inner,.cta-inner{flex-direction:column;align-items:flex-start;gap:18px}
  .tabs{overflow-x:auto;white-space:nowrap;-webkit-overflow-scrolling:touch}
  .tab{flex-shrink:0;padding:11px 16px}
  .search-inner .label{width:100%}
  .contact-info dl{grid-template-columns:72px 1fr}
  .footnav ul{gap:4px 0}
  .sitemap-grid{grid-template-columns:repeat(2,1fr)}
  .side-service{top:auto;bottom:96px}
  .side-panel{top:auto;bottom:96px}
}
@media (max-width:560px){
  .hero{min-height:440px}
  .hero h1{font-size:clamp(24px,7.2vw,32px);letter-spacing:0;line-height:1.35;overflow-wrap:anywhere}
  .hero-meta{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
  .hero-meta>div{min-width:0}
  .hero-meta b{font-size:16px;letter-spacing:0;word-break:break-all}
  .hero-meta span{font-size:11px;letter-spacing:0}
  .hero-eyebrow{font-size:11px;letter-spacing:2px}
  .hero p.lead{font-size:15px}
  .btn{padding:11px 20px}
  .about-points,.sitemap-grid{grid-template-columns:1fr}
  .about-text h2,.cta h2,.heng h2{font-size:24px}
  .page-hero h1{font-size:26px}
  .contact-info dl{grid-template-columns:1fr;gap:2px}
  .contact-info dt{margin-top:12px}
  .heng-right{gap:12px}
  .heng-right b{width:100%}
  .qr-list{gap:14px}
  .qr-list img{width:84px;height:84px}
  .footnav li{padding:0 9px;font-size:12px}
  .news-col{padding:18px}
  .tabs .tab{flex:1;padding:11px 10px;font-size:14px}
  .cta-inner>div:last-child{gap:12px}
}
@media (max-width:360px){
  .container{width:calc(100% - 24px)}
  .hero-meta{grid-template-columns:1fr}
  .qr-list img{width:72px;height:72px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}
@media print{
  .topbar,.site-header,.footnav,.side-service,.side-panel,.backtop,.cta,.links,.hero-actions{display:none!important}
  body{color:#000;background:#fff}
}

/* ---------- 自适应加固 v2：文本缩放 / 安全区 / 触摸目标 / 小屏可读性 ---------- */
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
@supports (padding:env(safe-area-inset-left)){
  .container{padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right)}
  .site-footer{padding-bottom:env(safe-area-inset-bottom)}
}
@media (max-width:860px){
  /* WCAG 2.5.8 触摸目标：主要交互元素不小于 40px 高 */
  .main-nav a{display:flex;align-items:center;min-height:46px}
  .footnav li a{display:inline-flex;align-items:center;min-height:40px;padding:0 10px}
  .crumb a{display:inline-flex;align-items:center;min-height:36px;padding:0 2px}
  .hotwords a,.chip,.tabs .tab,.news-mini-links a,.news-col-head a,.card-foot a{display:inline-flex;align-items:center;justify-content:center;min-height:42px}
  .sitemap-box a{display:flex;align-items:center;min-height:40px;padding:2px 0}
  .footer-tagline a,.footer-copy a,.links-list a{display:inline-block;padding:6px 0;min-height:32px}
  .search-form input,.search-form button{min-height:44px}
  .topbar a{display:inline-flex;align-items:center;min-height:32px}
  .side-service a,.side-panel a{display:flex;align-items:center;min-height:40px}
  .qr-list a{display:inline-flex;align-items:center}
  .title-list li a,.faq-list li>a{display:flex;align-items:center;min-height:40px;padding:4px 0}
  .tabs>a{display:inline-flex;align-items:center;min-height:42px}
  .crumb a{min-width:36px;justify-content:center}
}
@media (max-width:560px){
  /* 小屏正文辅助文字不小于 12px */
  .tag,.adv-item .en,.header-hotline small,.hero-meta span,.hero-eyebrow,
  .news-date span,.news-main .tag,.footnav li{font-size:12px}
  .hero-meta b{font-size:17px}
  .footnav li a{padding:0 8px}
  .contact-info dt,.contact-info dd{overflow-wrap:anywhere}
  .form-grid input,.form-grid textarea,.form-grid select{min-height:46px}
  .btn{min-height:44px}
}
@media (max-width:360px){
  .container{width:calc(100% - 24px)}
  .hero h1{font-size:clamp(23px,7vw,28px)}
  .stat-grid.stat-compact b{font-size:16px}
  .footnav li{font-size:12px}
}
/* 全站最小可读字号：任何屏宽下辅助文字不小于 12px（置于 media 之后以覆盖小屏旧值） */
.tag,.adv-item .en,.header-hotline small,.hero-meta span,.hero-eyebrow,
.news-date span,.news-main .tag{font-size:12px}

/* ===== 产品详情 / 品类 / 品牌页（生成器追加，勿手改） ===== */
.pd-grid{display:grid;grid-template-columns:minmax(0,400px) minmax(0,1fr);gap:52px;align-items:start}
.pd-pic{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:26px;display:flex;align-items:center;justify-content:center;aspect-ratio:1/1}
.pd-pic img{max-width:100%;max-height:100%;object-fit:contain;mix-blend-mode:multiply}
.pd-meta{display:grid;grid-template-columns:86px minmax(0,1fr);gap:0;font-size:14px;margin:24px 0 26px;border-top:1px solid var(--line)}
.pd-meta dt{color:var(--muted);padding:11px 0;border-bottom:1px solid var(--line)}
.pd-meta dd{color:var(--ink);font-weight:600;padding:11px 0;border-bottom:1px solid var(--line);margin:0}
.pd-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:6px}
.pd-intro{font-size:15px;line-height:1.95;color:var(--text)}
.pd-intro p{margin:0 0 14px}
.spec-table{width:100%;border-collapse:collapse;font-size:14px;background:#fff}
.spec-table th,.spec-table td{border:1px solid var(--line);padding:12px 16px;text-align:left}
.spec-table th{background:var(--bg);width:190px;color:var(--muted);font-weight:600}
.empty-note{border:1px dashed #cfd8e1;border-radius:var(--radius);padding:22px 24px;background:#fff;color:var(--muted);font-size:14px;line-height:1.95}
.brand-chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}
.brand-chips a{font-size:13px;padding:7px 15px;border:1px solid var(--line);border-radius:20px;color:var(--text);background:#fff;transition:.2s}
.brand-chips a:hover{border-color:var(--accent);color:var(--accent)}
@media (max-width:860px){.pd-grid{grid-template-columns:1fr;gap:26px}.spec-table th{width:120px}}


/* 卡片整卡可点（列表卡接详情页）—— 由 tools/link_cards.py 配套 */
.card-pic a{display:block;height:100%}
.card-body h3 a{color:inherit;text-decoration:none}
.card-body h3 a:hover{color:var(--accent)}
.card-foot{gap:12px}
.card-foot a{white-space:nowrap}

/* ===== 停产机型标记（幂等块） ===== */
.tag-off{background:#f3efe6;color:#7a6a52;border:1px solid #e2d8c6;margin-left:6px}
.hero-chip{display:inline-block;margin-top:10px;padding:4px 12px;border-radius:2px;background:#f3efe6;color:#7a6a52;font-size:14px;letter-spacing:.02em}
.pd-off-note,.off-note{margin:14px 0 0;padding:12px 14px;background:#faf7f1;border-left:3px solid #c8b79a;color:#5c5346;font-size:14px;line-height:1.7}

/* seo-faq */
.faq-list{margin-top:18px;display:grid;gap:14px}
.faq-item{background:#fff;border:1px solid #e3e8ee;border-radius:10px;padding:16px 18px}
.faq-item h3{margin:0 0 8px;font-size:15.5px;font-weight:600;color:#152a3e;line-height:1.5}
.faq-item p{margin:0;font-size:14.5px;line-height:1.8;color:#4a5a6a}
.faq-item p{-webkit-line-clamp:unset;display:block;overflow:visible}

/* r4 案例 / 资讯详情页的要点列表 */
.about-text ul{list-style:disc;padding-left:24px;margin:14px 0 22px}
.about-text li{margin:7px 0;color:var(--muted);font-size:15px;line-height:1.9}
.about-text h2{margin:28px 0 12px}