/* ============ 设计契约 Token ============ */
:root{
  --primary:#e60012;
  --primary-hover:#c8000f;
  --primary-active:#a8000c;
  --navy:#091f3c;
  --bg:#f7f9fc;
  --surface:#ffffff;
  --heading:#162648;
  --text:#4a5568;
  --muted:#8a94a6;
  --border:#e6eaf2;
  --success:#16a34a;--warning:#d97706;--danger:#dc2626;
  --r-card:10px; --r-btn:6px;
  --sp-1:8px; --sp-2:16px; --sp-3:24px; --sp-4:32px; --sp-6:48px; --sp-8:64px; --sp-12:96px;
  --font:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --shadow-1:0 1px 3px rgba(22,38,72,.06),0 1px 2px rgba(22,38,72,.04);
  --shadow-2:0 8px 24px rgba(22,38,72,.10);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:#e9edf3;color:var(--text);line-height:1.75;font-size:14px}
img{display:block;max-width:100%}
a{text-decoration:none;color:inherit}
button{font-family:inherit;cursor:pointer;border:none;background:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
.tabular{font-variant-numeric:tabular-nums}
.no-print{}

/* ============ 设计稿说明头 ============ */
.doc-head{background:#fff;border-bottom:1px solid var(--border);padding:26px 32px}
.doc-head .row1{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap}
.doc-head .ver{background:var(--navy);color:#fff;font-size:12px;font-weight:700;padding:2px 10px;border-radius:999px}
.doc-head h1{font-size:20px;color:var(--heading);font-weight:700}
.doc-head .sub{font-size:13px;color:var(--muted);margin-top:6px}

/* ============ 画布通用（运行态：去画布留白，全宽铺开） ============ */
.stage-wrap{margin:0;padding:0;width:100%;max-width:none}
.stage-label{font-size:13px;font-weight:700;color:var(--heading);letter-spacing:.05em}
.canvas{background:#fff;box-shadow:0 12px 40px rgba(9,31,60,.14);border-radius:6px;overflow:hidden;position:relative}
.canvas-pc{width:100%;max-width:none;margin:0;border:0;border-radius:0;box-shadow:none;overflow:visible;container-type:inline-size}
.canvas-mo{width:390px}

/* ============ PC 画布内部 ============ */
.pc-inner{background:var(--bg)}
.container1200{max-width:1200px;margin:0 auto;padding:0 24px}

/* 顶栏/导航/电话图标：全站头部唯一来源 main.css（首页 2026-11-04 合并后不再维护副本） */

/* 产品分类导航（深蓝底 · 均匀分布 · 项间分隔线） */
.pc-prodnav{background:var(--navy)}
.pc-prodnav .inner{display:flex;align-items:stretch;height:46px}
.pc-prodnav .links{display:contents}
.pc-prodnav .links a{flex:1;display:flex;align-items:center;justify-content:center;font-size:14px;
  color:#fff;font-weight:500;transition:background .15s;white-space:nowrap;padding:0 4px;
  border-left:1px solid rgba(255,255,255,.14)}
.pc-prodnav .links a:first-child{border-left:none}
.pc-prodnav .links a:hover{background:rgba(255,255,255,.12)}
.pc-prodnav .links a:active{background:rgba(255,255,255,.2)}
.pc-prodnav .dd{display:none}

/* Hero */
.pc-hero{position:relative;height:460px;overflow:hidden;background:var(--navy)}
.pc-hero .bg{position:absolute;inset:0;
  background:url(../images/photos-opt/pc-hero-clean.jpg) center/cover no-repeat}
.pc-hero .veil{position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(9,31,60,.55) 0%,rgba(9,31,60,.45) 30%,rgba(9,31,60,.18) 52%,rgba(9,31,60,0) 70%)}
.pc-hero .content{position:relative;height:100%;display:flex;flex-direction:column;justify-content:center;color:#fff}
.pc-hero .badge{display:inline-flex;align-items:center;gap:8px;background:var(--primary);color:#fff;
  font-size:13px;font-weight:700;padding:6px 16px;border-radius:999px;width:max-content;letter-spacing:.02em}
.pc-hero h1{font-size:44px;font-weight:700;line-height:1.25;margin-top:22px;letter-spacing:.01em}
.pc-hero .lead{font-size:17px;color:#dbe4f0;margin-top:14px}
.pc-hero .stats{display:flex;gap:56px;margin-top:38px}
.pc-hero .stat .num{font-size:34px;font-weight:800;color:#ff5a68;line-height:1.1}
.pc-hero .stat .lbl{font-size:13.5px;color:#c6d2e2;margin-top:4px}
.pc-hero .ctas{display:flex;align-items:center;gap:28px;margin-top:40px}
/* 首屏主按钮：比全局 .btn-primary 收一档，与旁边 ghost 按钮/整体视觉更协调 */
.pc-hero .btn-primary{font-size:15px;padding:11px 30px;min-height:44px}
.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--primary);
  color:#fff;font-size:16px;font-weight:700;padding:14px 38px;border-radius:var(--r-btn);
  transition:background .15s,transform .1s;min-height:48px}
.btn-primary:hover{background:var(--primary-hover)}
.btn-primary:active{background:var(--primary-active);transform:scale(.98)}
.btn-primary[disabled]{opacity:.5;pointer-events:none}
.btn-ghost{display:inline-flex;align-items:center;gap:8px;color:rgba(255,255,255,.85);font-size:15px;
  font-weight:600;padding:12px 4px;transition:color .15s;min-height:44px}
.btn-ghost:hover{color:#fff}
.btn-ghost .arr{transition:transform .15s}
.btn-ghost:hover .arr{transform:translateY(3px)}

/* Section 通用 */
.pc-sec{padding:var(--sp-8) 0}
.pc-sec-head{text-align:center;margin-bottom:40px}
.pc-sec-head .kicker{font-size:13px;font-weight:700;color:var(--primary);letter-spacing:.14em}
.pc-sec-head h2{font-size:28px;font-weight:700;color:var(--heading);margin-top:8px;line-height:1.3}
.pc-sec-head .sub{font-size:14.5px;color:var(--muted);margin-top:10px}
.sec-title-row{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:var(--sp-6)}
.sec-title-row .t{display:flex;align-items:baseline;gap:12px}
.sec-title-row .t::before{content:"";width:4px;height:22px;background:var(--primary);border-radius:2px;
  align-self:center}
.sec-title-row h2{font-size:24px;font-weight:700;color:var(--heading)}
.sec-title-row .k{font-size:13px;color:var(--muted);font-weight:600}
.more-link{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:14px;font-weight:600;
  padding:6px 2px;transition:gap .15s}
.more-link:hover{gap:10px;color:var(--primary-hover)}

/* 产品卡 */
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--sp-3)}
.prod-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);
  overflow:hidden;transition:transform .18s,box-shadow .18s}
.prod-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.prod-card .ph{height:200px;overflow:hidden;background:#dfe5ee}
.prod-card .ph img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.prod-card:hover .ph img{transform:scale(1.05)}
.prod-card .bd{padding:18px 20px 20px}
.prod-card .t-row{display:flex;align-items:baseline;justify-content:space-between;gap:8px;flex-wrap:wrap}
.prod-card h3{font-size:17px;font-weight:600;color:var(--heading);flex:0 0 auto;min-width:0}
.prod-card .tag{display:inline-flex;align-items:center;justify-content:center;height:22px;padding:0 10px;line-height:1;flex:none;font-size:12px;color:#525c74;background:#f0f4fa;border-radius:999px;font-weight:500;max-width:100%;white-space:normal}
.prod-card p{font-size:13.5px;color:var(--text);margin-top:8px;line-height:1.6}

/* 场景大卡（首页主卡位 · 2026-11-02） */
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--sp-3);counter-reset:scn}
.scene-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);
  overflow:hidden;transition:transform .22s,box-shadow .22s,border-color .22s;display:flex;flex-direction:column}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#d7deea}
.scene-card .pic{position:relative;aspect-ratio:7/4;overflow:hidden;background:#dfe5ee;border-bottom:1px solid #f0f3f9}
.scene-card .pic img{width:100%;height:100%;object-fit:cover;transition:transform .45s}
.scene-card:hover .pic img{transform:scale(1.055)}
.scene-card .num{position:absolute;top:11px;left:11px;font-size:11.5px;font-weight:700;color:#fff;
  background:rgba(9,31,60,.82);padding:3px 8px;border-radius:5px;counter-increment:scn}
.scene-card .num::before{content:counter(scn,decimal-leading-zero)}
.scene-card .body{padding:16px 18px 17px;display:flex;flex-direction:column;flex:1}
.scene-card h3{font-size:17px;font-weight:600;color:var(--heading);line-height:1.4}
.scene-card .eb{font-size:12.5px;color:var(--muted);margin-top:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.scene-card .foot{display:flex;align-items:center;justify-content:space-between;gap:8px;
  margin-top:auto;padding-top:11px;border-top:1px dashed var(--border)}
.scene-card .stat{font-size:11.5px;color:var(--muted);white-space:nowrap}
.scene-card .go{font-size:12.5px;font-weight:600;color:var(--primary);white-space:nowrap}
.scene-card .go i{font-style:normal;display:inline-block;transition:transform .22s}
.scene-card:hover .go i{transform:translateX(3px)}

/* 产品小横卡带（次位） */
.pc-sec.sec-prodband{background:#fff;border-top:1px solid var(--border)}
.pb-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:16px;flex-wrap:wrap}
.pb-head .t h3{font-size:18px;font-weight:700;color:var(--heading);display:flex;align-items:center;gap:9px}
.pb-head .t h3::before{content:"";width:3px;height:15px;background:var(--primary);border-radius:2px}
.pb-head .t p{font-size:12.5px;color:var(--muted);margin-top:4px;padding-left:12px}
.pb-all{font-size:12.5px;font-weight:600;color:var(--primary);white-space:nowrap}
.pb-all i{font-style:normal;display:inline-block;transition:transform .2s}
.pb-all:hover i{transform:translateX(3px)}
.pb-grid{display:grid;grid-template-columns:repeat(8,1fr);gap:11px}
.pmini{background:var(--bg);border:1px solid var(--border);border-radius:8px;overflow:hidden;
  transition:transform .2s,box-shadow .2s,border-color .2s,background .2s;display:flex;flex-direction:column}
.pmini:hover{transform:translateY(-3px);box-shadow:0 6px 16px rgba(22,38,72,.10);border-color:#d7deea;background:#fff}
.pmini .ph{aspect-ratio:4/3;overflow:hidden;background:#dfe5ee}
.pmini .ph img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.pmini:hover .ph img{transform:scale(1.06)}
.pmini .bd{padding:8px 7px 9px;text-align:center}
.pmini h4{font-size:12.5px;font-weight:600;color:var(--heading);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;line-height:1.4}
.pmini em{font-style:normal;font-size:10px;color:var(--muted);display:block;margin-top:2px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* 关于路通（左：公司简介（窄列） · 右：授权证书 + 实力保障（宽列横排）） */
.about-wrap{display:grid;grid-template-columns:0.8fr 1.2fr;gap:var(--sp-6);align-items:center}
.about-left .kicker{font-size:13px;font-weight:700;color:var(--primary);letter-spacing:.14em}
.about-left h2{font-size:26px;font-weight:700;color:var(--heading);margin-top:8px;line-height:1.35}
.about-left .sub{font-size:15px;font-weight:600;color:var(--primary);margin-top:6px}
.about-left p.body{font-size:15px;color:var(--text);margin-top:16px;line-height:1.85}
.about-right{display:flex;flex-direction:row;align-items:center;gap:16px}
.cert-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);
  padding:16px;display:flex;gap:14px;align-items:center;box-shadow:var(--shadow-1);flex:none}
.cert-card .doc{width:130px;height:184px;border-radius:6px;flex:none;overflow:hidden;position:relative;
  background:#f3e2b8;border:1px solid rgba(9,31,60,.1)}
.cert-card .doc img{width:100%;height:100%;object-fit:cover}
.cert-card .doc::after{content:"";position:absolute;inset:0;border-radius:inherit;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.55)}
.cert-card .txt{width:216px;flex:none}
.cert-card .t{display:block;font-size:16.5px;font-weight:700;color:var(--heading);line-height:1.4}
.cert-card .d{display:block;font-size:13px;color:var(--text);margin-top:3px;line-height:1.5}
.cert-pill{display:inline-flex;align-items:center;gap:5px;margin-top:9px;background:rgba(230,0,18,.07);
  border:1px solid rgba(230,0,18,.25);color:var(--primary);font-size:12px;font-weight:700;
  padding:3px 10px;border-radius:999px;white-space:nowrap}
.strength-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;flex:1;min-width:0}
.strength-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);
  padding:13px 14px;transition:box-shadow .18s}
.strength-item:hover{box-shadow:var(--shadow-2)}
.strength-item .t{font-size:14.5px;font-weight:700;color:var(--primary);white-space:nowrap}
.strength-item .d{font-size:11px;color:var(--muted);margin-top:3px;line-height:1.55}

/* 合作伙伴（真实 logo 白底卡 · 六标等高对齐） */
.partner-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:var(--sp-2)}
.partner-tile{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);
  height:104px;display:flex;align-items:center;justify-content:center;padding:14px;
  transition:box-shadow .18s,transform .15s}
.partner-tile:hover{box-shadow:var(--shadow-2);transform:translateY(-3px)}
.partner-tile img{height:36px;width:auto;max-width:62%;object-fit:contain}
.partner-tile svg{height:36px;width:auto;max-width:62%}

/* 案例 */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-3)}
.case-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);overflow:hidden;
  transition:transform .18s,box-shadow .18s}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.case-card .ph{height:220px;overflow:hidden;background:#dfe5ee}
.case-card .ph img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.case-card:hover .ph img{transform:scale(1.05)}
.case-card .bd{padding:18px 20px 20px}
.case-card h3{font-size:17px;font-weight:600;color:var(--heading)}
.case-card .meta{display:flex;align-items:center;justify-content:space-between;margin-top:10px}
.case-card .prod{font-size:13px;color:var(--muted);background:#f0f4fa;padding:2px 10px;border-radius:999px}
.case-card .area{font-size:14px;font-weight:700;color:var(--primary)}

/* FAQ（桌面端平铺卡片；移动端在 mobile.css 改为手风琴） */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--sp-3)}
.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);padding:22px 24px;
  transition:box-shadow .18s;overflow:hidden}
.faq-item[open]{box-shadow:var(--shadow-2)}
.faq-item summary{list-style:none;display:flex;gap:12px;align-items:flex-start;cursor:pointer}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::marker{content:""}
.faq-item .mark{flex:none;width:28px;height:28px;background:var(--primary);color:#fff;border-radius:8px;
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:800}
.faq-item .q{font-size:16.5px;font-weight:600;color:var(--heading);line-height:1.5}
.faq-item .chev{display:none}
.faq-item .a{font-size:14px;color:var(--text);margin-top:10px;padding-left:40px;line-height:1.8}

/* 服务流程 */
.flow-row{display:grid;grid-template-columns:repeat(5,1fr);gap:var(--sp-2);position:relative}
.flow-row::before{content:"";position:absolute;top:36px;left:10%;right:10%;border-top:2px dashed #d7dfea;z-index:0}
.flow-step{position:relative;z-index:1;text-align:center;padding:0 8px}
.flow-step .ic{width:64px;height:64px;margin:0 auto;border-radius:50%;background:#fff;border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;color:var(--primary);box-shadow:var(--shadow-1);
  transition:transform .15s,border-color .15s}
.flow-step:hover .ic{transform:translateY(-3px);border-color:var(--primary)}
.flow-step .ic svg{width:28px;height:28px}
.flow-step h3{font-size:16px;font-weight:600;color:var(--heading);margin-top:14px}
.flow-step p{font-size:13px;color:var(--muted);margin-top:4px;line-height:1.6}

/* 新闻 */
.news-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--sp-3)}
.news-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);padding:24px 26px}
.news-card .t-row{display:flex;align-items:baseline;justify-content:space-between}
.news-card h3{font-size:18px;font-weight:700;color:var(--heading);display:flex;align-items:center;gap:10px}
.news-card h3::before{content:"";width:4px;height:18px;background:var(--primary);border-radius:2px}
.news-list{list-style:none;margin-top:14px}
.news-list li{border-bottom:1px dashed var(--border)}
.news-list li:last-child{border-bottom:none}
.news-list a{display:flex;align-items:baseline;gap:14px;padding:11px 4px;transition:color .15s}
.news-list a:hover{color:var(--primary)}
.news-list .date{font-size:13px;color:var(--muted);flex:none;width:74px}
.news-list a:hover .date{color:var(--primary)}
.news-list .tt{font-size:14.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* 页脚 */
.pc-footer{background:var(--navy);color:#c9d4e4}
.pc-footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:var(--sp-6);padding:var(--sp-8) 0 var(--sp-6)}
.pc-footer h4{font-size:15px;color:#fff;font-weight:700;margin-bottom:14px}
.pc-footer .brand{display:flex;gap:12px;align-items:center}
.pc-footer .brand .logo{width:38px;height:38px;background:var(--primary);border-radius:8px;display:flex;
  align-items:center;justify-content:center;flex:none}
.pc-footer .brand .logo svg{width:20px;height:20px;color:#fff}
.pc-footer .brand .n{font-size:16px;color:#fff;font-weight:700;line-height:1.35;word-break:keep-all}
.pc-footer .brand .s{font-size:12px;color:#8fa1b8;word-break:keep-all}
/* 品牌列保底宽度，公司名/总代理不逐字折断（2026-11-04 A-H1） */
.pc-footer .cols>div:first-child{min-width:240px}
.pc-footer .desc{font-size:13px;color:#8fa1b8;margin-top:14px;line-height:1.8}
.pc-footer ul{list-style:none}
.pc-footer li{margin-bottom:9px}
.pc-footer li a{font-size:13.5px;color:#c9d4e4;transition:color .15s;display:inline-block;padding:2px 0}
.pc-footer li a:hover{color:#fff}
.pc-footer .tel{font-size:19px;color:#fff;font-weight:800}
.pc-footer .ct-line{font-size:13px;margin-top:6px;line-height:1.8}
.pc-footer .legal{border-top:1px solid rgba(255,255,255,.12);padding:18px 0;display:flex;flex-wrap:wrap;
  gap:6px 22px;font-size:12.5px;color:#8fa1b8}
.pc-footer .legal a{color:#8fa1b8}
.pc-footer .legal a:hover{color:#fff}

/* ============ PC 画布容器断点：768–1199px ============ */
@container (max-width:1199px){
  .pc-hero{height:460px}
  .pc-hero h1{font-size:36px}
  .pc-hero .stats{gap:36px;margin-top:28px}
  .pc-hero .stat .num{font-size:28px}
  .prod-grid{grid-template-columns:repeat(3,1fr)}
  .scene-grid{grid-template-columns:repeat(3,1fr)}
  .pb-grid{grid-template-columns:repeat(4,1fr)}
  .case-grid{grid-template-columns:repeat(2,1fr)}
  .about-wrap{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .faq-grid{grid-template-columns:1fr}
  .pc-footer .cols{grid-template-columns:1fr 1fr}
  .pc-sec{padding:var(--sp-8) 0}
}
@container (max-width:899px){
  .partner-grid{grid-template-columns:repeat(3,1fr)}
  .pc-prodnav .links a{font-size:13px}
  .flow-row{grid-template-columns:repeat(3,1fr);gap:var(--sp-3)}
  .flow-row::before{display:none}
}

@media print{
  body{background:#fff}
  .doc-head{display:none}
  .stage-label{display:none}
  .stage-wrap{padding:0}
  .canvas{border-radius:0;box-shadow:none;max-width:none}
}


/* ===== 顶栏搜索（与 main.css 保持完全一致，首页/内页顶栏同一套） ===== */
.pc-search{position:relative;margin-right:20px}
.ps-toggle{width:38px;height:38px;border-radius:50%;border:1px solid var(--border);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;color:var(--heading);transition:.15s}
.ps-toggle svg{width:19px;height:19px}
.ps-toggle:hover{border-color:var(--primary);color:var(--primary)}
.ps-toggle[aria-expanded="true"]{border-color:var(--primary);background:var(--primary);color:#fff}
.ps-panel{position:absolute;top:calc(100% + 12px);right:0;width:320px;background:#fff;border:1px solid var(--border);
  border-radius:12px;box-shadow:var(--shadow-2);padding:14px;opacity:0;visibility:hidden;
  transform:translateY(-6px);transition:opacity .18s,transform .18s,visibility .18s;z-index:120}
.pc-search.open .ps-panel{opacity:1;visibility:visible;transform:translateY(0)}
.ps-panel form{display:flex;gap:8px}
.ps-panel input{flex:1;min-width:0;height:38px;border:1px solid var(--border);border-radius:19px;padding:0 16px;
  font-size:13.5px;outline:none;background:#fff;color:var(--text)}
.ps-panel input:focus{border-color:var(--primary)}
.ps-panel button{height:38px;padding:0 20px;border:none;border-radius:19px;background:var(--primary);
  color:#fff;cursor:pointer;font-size:13.5px;font-weight:600;white-space:nowrap}
.ps-panel button:hover{background:var(--primary-hover)}
.ps-tip{margin-top:10px;font-size:12px;color:var(--muted);line-height:1.6}

/* 顶栏下拉导航（pn-*）：全站唯一来源 main.css（首页 2026-11-04 合并后不再维护副本） */