/* ===== industrialinstrumentvalve.com 全局样式 ===== */
:root{
  --steel-900:#0c2236;
  --steel-800:#13344f;
  --steel-700:#1d4a6e;
  --steel-600:#2d6a9f;
  --steel-100:#e6eef5;
  --orange:#ff7a18;
  --orange-d:#e8650a;
  --ink:#1c2733;
  --muted:#5b6b7a;
  --line:#d8e2ea;
  --bg:#f5f8fb;
  --white:#fff;
  --ok:#1f9d55;
  --shadow:0 6px 24px rgba(12,34,54,.10);
  --radius:12px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Segoe UI","Microsoft YaHei","PingFang SC",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.65;font-size:15px;
}
a{color:var(--steel-700);text-decoration:none}
a:hover{color:var(--orange-d)}
img{max-width:100%}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.center{text-align:center}

/* 顶部语言/工具条 */
.topbar{background:var(--steel-900);color:#cfe0ee;font-size:13px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:38px}
.topbar a{color:#cfe0ee}
.lang-switch{display:flex;gap:6px;align-items:center}
.lang-switch button{
  background:transparent;border:1px solid #2d4f6b;color:#cfe0ee;
  padding:3px 10px;border-radius:14px;cursor:pointer;font-size:12px;transition:.2s
}
.lang-switch button.active{background:var(--orange);border-color:var(--orange);color:#fff;font-weight:600}

/* 导航 */
header.site{background:var(--white);box-shadow:0 2px 10px rgba(0,0,0,.05);position:sticky;top:0;z-index:50}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;min-height:66px;padding:8px 0;gap:14px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand .logo{width:42px;height:42px;flex:0 0 auto}
.brand .name{font-weight:800;color:var(--steel-800);font-size:17px;letter-spacing:.2px;line-height:1.12;white-space:nowrap}
.brand .name small{display:block;font-weight:500;color:var(--muted);font-size:10.5px;letter-spacing:.4px;white-space:nowrap}
nav.main{display:flex;gap:13px;align-items:center;flex-wrap:wrap;justify-content:flex-end;margin-left:auto;row-gap:2px}
nav.main a{font-weight:600;font-size:14px;color:var(--steel-800);position:relative;padding:6px 0;white-space:nowrap}
nav.main a:hover{color:var(--orange-d)}
nav.main a.cta{background:var(--orange);color:#fff;padding:8px 15px;border-radius:24px;font-weight:700}
nav.main a.cta:hover{background:var(--orange-d);color:#fff}
.nav-toggle{display:none;background:none;border:none;font-size:24px;cursor:pointer;color:var(--steel-800)}

/* Hero */
.hero{background:linear-gradient(135deg,var(--steel-900),var(--steel-700));color:#fff;padding:62px 0 70px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-80px;top:-60px;width:380px;height:380px;border:40px solid rgba(255,122,24,.12);border-radius:50%}
.hero h1{font-size:38px;line-height:1.25;font-weight:800;margin-bottom:16px;max-width:760px}
.hero p{font-size:17px;color:#d4e3f0;max-width:680px;margin-bottom:26px}
.hero .btns{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-block;padding:13px 26px;border-radius:28px;font-weight:700;font-size:15px;cursor:pointer;border:none;transition:.2s}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:var(--orange-d)}
.btn-ghost{background:transparent;border:2px solid rgba(255,255,255,.5);color:#fff}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.1)}
.btn-dark{background:var(--steel-800);color:#fff}
.btn-dark:hover{background:var(--steel-900)}

/* 区块 */
.section{padding:60px 0}
.section.alt{background:var(--white)}
.section h2{font-size:28px;color:var(--steel-800);text-align:center;margin-bottom:10px;font-weight:800}
.section .sub{text-align:center;color:var(--muted);margin-bottom:38px;font-size:15px}
.grid{display:grid;gap:22px}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}

/* 卡片 */
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);transition:.2s}
.card:hover{transform:translateY(-4px);border-color:var(--steel-600)}
.card .ic{width:54px;height:54px;background:var(--steel-100);border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.card h3{color:var(--steel-800);font-size:18px;margin-bottom:8px}
.card p{color:var(--muted);font-size:14px}
.cat-num{font-size:13px;color:var(--orange-d);font-weight:700;letter-spacing:1px}

/* 品类条 */
.cat-strip{display:flex;gap:14px;flex-wrap:wrap;justify-content:center}
.cat-pill{background:var(--steel-100);color:var(--steel-800);padding:10px 20px;border-radius:24px;font-weight:600;font-size:14px;border:1px solid transparent}
.cat-pill:hover{border-color:var(--orange);color:var(--orange-d)}

/* 数据 */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stat .n{font-size:34px;font-weight:800;color:var(--orange)}
.stat .l{color:var(--muted);font-size:14px}

/* 产品表 */
.prod-table{width:100%;border-collapse:collapse;background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.prod-table th,.prod-table td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line);font-size:14px}
.prod-table th{background:var(--steel-800);color:#fff;font-weight:600}
.prod-table tr:hover td{background:var(--steel-100)}
.tag{display:inline-block;background:var(--steel-100);color:var(--steel-700);padding:2px 9px;border-radius:10px;font-size:12px;margin:2px}

/* 表单 */
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1 / -1}
.field label{font-weight:600;color:var(--steel-800);font-size:14px}
.field label .req{color:var(--orange-d)}
.field input,.field select,.field textarea{
  padding:11px 13px;border:1px solid var(--line);border-radius:8px;font-size:14px;font-family:inherit;background:#fff;color:var(--ink)
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--steel-600);box-shadow:0 0 0 3px rgba(45,106,159,.15)}
.field textarea{resize:vertical;min-height:90px}
.note{font-size:12px;color:var(--muted)}
.region-tabs{display:flex;gap:10px;margin-bottom:22px}
.region-tabs button{padding:10px 22px;border:1px solid var(--line);background:#fff;border-radius:24px;cursor:pointer;font-weight:600;color:var(--steel-800)}
.region-tabs button.active{background:var(--steel-800);color:#fff;border-color:var(--steel-800)}

/* 提示框 */
.alert{background:#eafaf0;border:1px solid #bdebcd;color:#1c6b3f;padding:14px 16px;border-radius:8px;margin-bottom:18px;font-size:14px;display:none}
.alert.show{display:block}

/* 页脚 */
footer.site{background:var(--steel-900);color:#a9c0d4;padding:48px 0 26px;font-size:14px}
footer.site h4{color:#fff;margin-bottom:14px;font-size:15px}
footer.site a{color:#a9c0d4;display:block;margin-bottom:8px}
footer.site a:hover{color:var(--orange)}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px}
.foot-bottom{border-top:1px solid #1d3a54;margin-top:30px;padding-top:18px;text-align:center;color:#7d96ad;font-size:13px}

/* 合同生成器 */
.doc{background:#fff;padding:40px;max-width:900px;margin:0 auto;border:1px solid var(--line);box-shadow:var(--shadow)}
.doc h1{text-align:center;color:var(--steel-800);font-size:24px;margin-bottom:6px}
.doc .doc-meta{text-align:center;color:var(--muted);margin-bottom:24px;font-size:13px}
.doc table{width:100%;border-collapse:collapse;margin:14px 0}
.doc th,.doc td{border:1px solid #cdd8e2;padding:9px 10px;font-size:13px;text-align:left}
.doc th{background:var(--steel-100)}
.doc .sign{display:flex;justify-content:space-between;margin-top:40px;gap:30px}
.doc .sign>div{flex:1}
.doc .sign .line{border-top:1px solid #333;margin-top:46px;padding-top:6px;font-size:13px}

/* 产品展示 / 图册 / 客户案例 */
.prod-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.2s}
.prod-card:hover{transform:translateY(-4px);border-color:var(--steel-600)}
.prod-img{width:100%;height:230px;background:#f7f9fc;display:flex;align-items:center;justify-content:center;padding:18px;border-bottom:1px solid var(--line)}
.prod-img img{max-width:100%;max-height:100%;object-fit:contain}
.prod-body{padding:22px}
.prod-body h3{font-size:18px;color:var(--steel-800);margin-bottom:6px}
.prod-body p{color:var(--muted);font-size:13px;margin-bottom:14px}
.prod-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:14px}
.prod-tags .tag{font-size:11px;padding:3px 9px}
.prod-body .btn{display:inline-block;padding:9px 18px;border-radius:22px;font-weight:700;font-size:13px}
.case-card{display:flex;gap:24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);margin-bottom:22px;align-items:flex-start}
.case-icon{flex:0 0 64px;height:64px;border-radius:12px;background:var(--steel-100);display:flex;align-items:center;justify-content:center;font-size:28px;color:var(--steel-700)}
.case-body{flex:1}
.case-body h3{font-size:18px;color:var(--steel-800);margin-bottom:8px}
.case-body p{color:var(--muted);font-size:14px;margin-bottom:8px}
.case-result{font-weight:700;color:var(--ok);font-size:14px}
.section-actions{text-align:center;margin-top:34px}
.catalog-download{display:inline-flex;align-items:center;gap:12px;background:var(--steel-800);color:#fff;padding:16px 28px;border-radius:28px;font-weight:700;font-size:15px;box-shadow:var(--shadow)}
.catalog-download:hover{background:var(--steel-900);color:#fff}
/* A4 catalog print page */
.page-a4{background:#fff;max-width:794px;margin:30px auto;padding:50px 56px;box-shadow:0 0 0 1px #ddd,0 10px 40px rgba(0,0,0,.08);min-height:1123px}
.page-a4 h1{text-align:center;font-size:28px;margin-bottom:6px;color:var(--steel-900)}
.page-a4 .subtitle{text-align:center;color:var(--muted);margin-bottom:30px;font-size:13px}
.cat-page{margin-bottom:34px}
.cat-page h2{font-size:20px;color:var(--steel-800);border-bottom:2px solid var(--orange);padding-bottom:8px;margin-bottom:16px}
.cat-page .hero-img{width:100%;height:260px;object-fit:contain;background:#f7f9fc;border-radius:8px;border:1px solid var(--line);margin-bottom:16px}
.cat-table{width:100%;border-collapse:collapse;font-size:13px}
.cat-table th,.cat-table td{border:1px solid #d8e2ea;padding:8px 10px;text-align:left}
.cat-table th{background:var(--steel-100);color:var(--steel-800);font-weight:600}

/* 响应式 */
@media(max-width:860px){
  nav.main{position:absolute;top:68px;left:0;right:0;background:#fff;flex-direction:column;padding:16px 20px;gap:14px;box-shadow:var(--shadow);display:none}
  nav.main.open{display:flex}
  .nav-toggle{display:block}
  .grid-4,.grid-3,.grid-2,.form-grid,.stats,.foot-grid{grid-template-columns:1fr}
  .hero h1{font-size:28px}
  .doc{padding:20px}
  .case-card{flex-direction:column;align-items:center;text-align:center}
  .page-a4{padding:24px}
}
.print-only{display:none}
@media print{
  .topbar,header.site,footer.site,.no-print{display:none!important}
  body{background:#fff}
  .doc{box-shadow:none;border:none;max-width:100%}
}

/* ===== 2026-09 改版新增 ===== */
/* 主营产品词条条（借鉴精耐仪表 announcement） */
.kw-strip{background:#fff;border-bottom:1px solid var(--line)}
.kw-strip .wrap{display:flex;flex-wrap:wrap;gap:10px;align-items:center;padding:14px 20px;font-size:13px}
.kw-strip b{color:var(--steel-800);font-size:14px;margin-right:4px;white-space:nowrap}
.kw-strip .kw{background:var(--steel-100);padding:4px 13px;border-radius:14px;color:var(--steel-700);font-weight:600;white-space:nowrap;transition:.2s}
.kw-strip a.kw:hover{background:var(--orange);color:#fff}

/* 首页业务卡：带设备图 + 查看参数链接 */
.cat-card .prod-img{height:170px;padding:14px}
.cat-card h3{font-size:18px;color:var(--steel-800);margin-bottom:6px}
.cat-card p{color:var(--muted);font-size:13px;margin-bottom:12px}
.detail-link{font-weight:700;color:var(--orange-d);font-size:14px}
.detail-link:hover{color:var(--orange)}

/* 行业应用（借鉴天康） */
.ind-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);transition:.2s;position:relative;overflow:hidden}
.ind-card:hover{transform:translateY(-4px);border-color:var(--steel-600)}
.ind-card::before{content:"";position:absolute;left:0;top:0;width:4px;height:100%;background:linear-gradient(180deg,var(--orange),var(--steel-600))}
.ind-card .ic{font-size:30px;margin-bottom:10px}
.ind-card h3{color:var(--steel-800);font-size:16px;margin-bottom:6px;white-space:nowrap}
.ind-card p{color:var(--muted);font-size:13px}

/* 服务承诺（借鉴精耐） */
.svc-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;text-align:center;box-shadow:var(--shadow);transition:.2s}
.svc-card:hover{transform:translateY(-4px);border-color:var(--orange)}
.svc-icon{width:58px;height:58px;margin:0 auto 14px;border-radius:50%;background:linear-gradient(135deg,var(--steel-700),var(--steel-900));color:#fff;display:flex;align-items:center;justify-content:center;font-size:26px}
.svc-card h3{color:var(--steel-800);font-size:16px;margin-bottom:6px}
.svc-card p{color:var(--muted);font-size:13px}

/* 首页 CTA 联系人行 */
.cta-contact{display:inline-flex;align-items:center;gap:10px;margin-top:20px;background:var(--steel-900);color:#fff;padding:13px 26px;border-radius:28px;font-weight:700;font-size:15px}
.cta-contact em{font-style:normal;color:var(--orange)}

/* 详情页 */
.breadcrumb{font-size:13px;color:var(--muted);padding:18px 0 0}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--orange-d)}
.detail-hero{display:grid;grid-template-columns:1.05fr 1fr;gap:28px;margin:24px 0 10px;align-items:stretch}
.detail-hero .img-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;padding:26px;box-shadow:var(--shadow);min-height:320px}
.detail-hero .img-box img{max-width:100%;max-height:380px;object-fit:contain}
.quick-spec{background:var(--steel-900);color:#dfe9f2;border-radius:var(--radius);padding:26px 28px;box-shadow:var(--shadow)}
.quick-spec h1{color:#fff;font-size:24px;margin-bottom:4px}
.quick-spec .en-name{color:#9db8ce;font-size:13px;margin-bottom:16px;letter-spacing:.5px}
.quick-spec ul{list-style:none}
.quick-spec li{display:flex;gap:10px;padding:8px 0;border-bottom:1px dashed #2a4a66;font-size:14px}
.quick-spec li:last-child{border-bottom:none}
.quick-spec li b{flex:0 0 88px;color:var(--orange);font-weight:700}
.quick-spec .btns{display:flex;gap:12px;margin-top:18px;flex-wrap:wrap}
.quick-spec .btn-primary{flex:1;text-align:center}
.quick-spec .btn-wx{background:transparent;border:2px solid rgba(255,255,255,.45);color:#fff}
.quick-spec .btn-wx:hover{border-color:#fff;background:rgba(255,255,255,.1)}

/* 详情参数大表 */
.param-section{margin-top:14px}
.param-section h2{text-align:left}
.param-section h2::after{content:"";display:block;width:56px;height:3px;background:var(--orange);margin-top:10px;border-radius:2px}
.param-table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);margin-top:22px}
.param-table th,.param-table td{padding:12px 15px;border-bottom:1px solid var(--line);font-size:14px;text-align:left}
.param-table th{background:var(--steel-100);color:var(--steel-800);font-weight:700;white-space:nowrap}
.param-table td:first-child{font-weight:700;color:var(--steel-800);white-space:nowrap}
.param-table tr:hover td{background:#f2f7fb}

/* 选型器 */
.sel-box{background:linear-gradient(135deg,var(--steel-800),var(--steel-700));border-radius:var(--radius);padding:34px;color:#fff;box-shadow:var(--shadow);margin-top:26px}
.sel-box h3{font-size:20px;margin-bottom:6px;color:#fff}
.sel-box .sub{color:#b9cfdf;font-size:13px;margin-bottom:20px}
.sel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.sel-grid .field label{color:#dfe9f2}
.sel-grid .field input,.sel-grid .field select{background:rgba(255,255,255,.96)}
.sel-actions{margin-top:20px;display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.sel-actions .hint{color:#b9cfdf;font-size:13px}

/* 应用行业 chips */
.app-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.app-chips .tag{font-size:13px;padding:7px 16px;border-radius:18px}

/* 联系人卡片（借鉴天康询盘区） */
.ma-card{display:flex;gap:22px;align-items:center;background:#fff;border:1px solid var(--line);border-left:5px solid var(--orange);border-radius:var(--radius);padding:24px 28px;box-shadow:var(--shadow);margin-top:26px;flex-wrap:wrap}
.ma-card .avatar{flex:0 0 64px;width:64px;height:64px;border-radius:50%;background:linear-gradient(135deg,var(--orange),var(--orange-d));color:#fff;display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:800}
.ma-card .info h3{font-size:18px;color:var(--steel-800)}
.ma-card .info p{color:var(--muted);font-size:14px;margin-top:4px}
.ma-card .ma-btns{margin-left:auto;display:flex;gap:12px;flex-wrap:wrap}

@media(max-width:860px){
  .detail-hero{grid-template-columns:1fr}
  .sel-grid{grid-template-columns:1fr}
  .ma-card .ma-btns{margin-left:0}
}

/* ============================================================
   询价车 / 询价单（RFQ）模块
   ============================================================ */

/* ---------- 导航角标 ---------- */
nav.main a.rfq-nav{display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.rfq-badge{display:inline-block;min-width:19px;height:19px;line-height:19px;padding:0 5px;border-radius:10px;
  background:var(--line);color:var(--muted);font-size:12px;font-weight:700;text-align:center;transition:.2s}
.rfq-badge.on{background:var(--orange);color:#fff}

/* ---------- 右下悬浮询价车 ---------- */
.rfq-float{position:fixed;right:18px;bottom:22px;z-index:880;display:flex;flex-direction:column;align-items:flex-end}
.rfq-float-btn{display:flex;align-items:center;gap:8px;background:var(--steel-800);color:#fff;font-weight:700;font-size:14px;
  padding:12px 18px;border-radius:30px;box-shadow:0 8px 26px rgba(12,34,54,.32);transition:.2s}
.rfq-float-btn:hover{background:var(--orange);color:#fff;transform:translateY(-2px)}
.rfq-float.has .rfq-float-btn{background:var(--orange)}
.rfq-float-n{display:inline-block;min-width:20px;height:20px;line-height:20px;border-radius:10px;background:#fff;color:var(--steel-800);
  font-size:12px;text-align:center;padding:0 5px}
.rfq-ic{font-size:17px}
.rfq-mini{position:absolute;right:0;bottom:62px;width:290px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:0 14px 40px rgba(12,34,54,.18);padding:14px 16px;opacity:0;visibility:hidden;transform:translateY(8px);transition:.22s}
.rfq-float:hover .rfq-mini{opacity:1;visibility:visible;transform:translateY(0)}
.rfq-mini-hd{font-size:12px;font-weight:700;color:var(--muted);letter-spacing:.5px;margin-bottom:8px;text-transform:uppercase}
.rfq-mini-empty{font-size:13px;color:var(--muted)}
.rfq-mini-row{display:flex;align-items:baseline;gap:8px;padding:6px 0;border-bottom:1px dashed var(--line);font-size:13px}
.rfq-mini-row b{color:var(--steel-800);font-size:13px}
.rfq-mini-row span{color:var(--muted);font-size:12px;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rfq-mini-row em{font-style:normal;color:var(--orange-d);font-weight:700}
.rfq-mini-go{display:block;margin-top:10px;text-align:center;background:var(--orange);color:#fff!important;font-weight:700;
  padding:9px 0;border-radius:22px;font-size:14px}
.rfq-mini-go:hover{background:var(--orange-d);color:#fff!important}

/* ---------- 询价单引导条 ---------- */
.rfq-tip{background:#fff;border:1px solid var(--line);border-left:4px solid var(--orange);border-radius:10px;
  padding:12px 18px;font-size:14px;color:var(--steel-800);margin:16px 0}
.rfq-tip b{color:var(--steel-800)}
.rfq-band{background:linear-gradient(135deg,var(--steel-900),var(--steel-700));color:#fff;padding:30px 0;margin:0}
.rfq-band .wrap{display:flex;align-items:center;gap:26px;flex-wrap:wrap}
.rfq-band-txt{flex:1;min-width:280px}
.rfq-band h2{font-size:21px;color:#fff;margin-bottom:8px}
.rfq-band p{color:#b9cfdf;font-size:14px;line-height:1.6}
.rfq-band-act{display:flex;flex-direction:column;align-items:center;gap:8px}
.rfq-band-act span{font-size:13px;color:#b9cfdf}
.rfq-band-act b{color:#ffb066;font-size:15px}

/* ---------- 「加入询价单」按钮 ---------- */
.btn-rfq{background:var(--steel-100);color:var(--steel-800);border:1.5px solid var(--steel-600)}
.btn-rfq:hover{background:var(--steel-600);color:#fff;border-color:var(--steel-600)}
.rfq-lab-on{display:none}
.btn-rfq.added{background:var(--ok);border-color:var(--ok);color:#fff}
.btn-rfq.added .rfq-lab-add{display:none}
.btn-rfq.added .rfq-lab-on{display:inline}
.rfq-add-row{background:var(--steel-100);color:var(--steel-700);border:1.5px solid var(--steel-600);border-radius:16px;
  padding:5px 12px;font-size:12.5px;font-weight:700;cursor:pointer;white-space:nowrap;transition:.18s}
.rfq-add-row:hover{background:var(--orange);border-color:var(--orange);color:#fff}
.rfq-add-row.added{background:var(--ok);border-color:var(--ok);color:#fff}
.rfq-add-row.added .rfq-lab-add{display:none}
.rfq-add-row.added .rfq-lab-on{display:inline}
.rfq-add-row:hover.added{background:var(--ok);border-color:var(--ok)}
.param-table th.rfq-th{text-align:center}
.param-table td.rfq-td{text-align:center;white-space:nowrap}

/* ---------- 按钮扩展尺寸 ---------- */
.btn-lg{padding:16px 30px;font-size:16px}
.btn-sm{padding:8px 16px;font-size:13.5px}
.btn-ghost2{background:#fff;color:var(--steel-800);border:1.5px solid var(--line)}
.btn-ghost2:hover{background:var(--steel-100);color:var(--steel-800);border-color:var(--steel-600)}
.btn-danger{background:#fff;color:#c0261c;border:1.5px solid #e8b4b0}
.btn-danger:hover{background:#c0261c;color:#fff;border-color:#c0261c}
.btn:disabled{opacity:.6;cursor:not-allowed}

/* ---------- 询价单页面 ---------- */
.rfq-head{margin:8px 0 22px}
.rfq-head h1{font-size:32px;color:var(--steel-800)}
.rfq-head .sub{max-width:760px}
.rfq-no{margin-top:10px;font-size:13.5px;color:var(--muted)}
.rfq-no b{color:var(--orange-d)}
.rfq-no-date{margin-left:6px}

.rfq-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:22px 0 30px}
.rfq-step{display:flex;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow)}
.rfq-step .n{flex:0 0 32px;width:32px;height:32px;border-radius:50%;background:var(--orange);color:#fff;font-weight:800;
  display:flex;align-items:center;justify-content:center}
.rfq-step b{color:var(--steel-800);font-size:15px}
.rfq-step p{color:var(--muted);font-size:13px;margin-top:2px;line-height:1.5}

.rfq-empty{background:#fff;border:1px dashed var(--line);border-radius:var(--radius);padding:56px 24px;text-align:center;box-shadow:var(--shadow)}
.rfq-empty .ic{font-size:44px}
.rfq-empty h3{font-size:20px;color:var(--steel-800);margin:10px 0 6px}
.rfq-empty p{color:var(--muted);font-size:14px}
.rfq-empty-btns{display:flex;gap:12px;justify-content:center;margin-top:22px;flex-wrap:wrap}

.rfq-h2{font-size:19px;color:var(--steel-800);margin:34px 0 14px;padding-left:13px;border-left:4px solid var(--orange)}
.rfq-tablewrap{overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.rfq-table{width:100%;border-collapse:collapse;min-width:900px}
.rfq-table th,.rfq-table td{padding:11px 12px;border-bottom:1px solid var(--line);font-size:13.5px;text-align:left;vertical-align:middle}
.rfq-table th{background:var(--steel-100);color:var(--steel-800);font-weight:700;white-space:nowrap;font-size:13px}
.rfq-table tr:last-child td{border-bottom:none}
.rfq-table tbody tr:hover{background:#f7fbfe}
.rfq-idx{text-align:center;color:var(--muted);font-weight:700}
.rfq-thumb{width:58px;height:58px;object-fit:contain;background:#f2f6f9;border-radius:8px;border:1px solid var(--line);padding:3px}
.rfq-thumb-ph{color:var(--line)}
.rfq-name{color:var(--steel-800)}
.rfq-model{font-size:12.5px;color:var(--orange-d);font-weight:700;margin-top:2px}
.rfq-src{display:inline-block;margin-top:3px;font-size:12px;color:var(--steel-600);text-decoration:underline}
.rfq-spec{color:var(--muted);font-size:12.5px;line-height:1.6;max-width:340px}
.rfq-muted{color:#9aa9b6}
.rfq-table input{width:100%;padding:8px 10px;border:1px solid var(--line);border-radius:8px;font:inherit;font-size:13px;background:#fbfdfe}
.rfq-table input:focus{outline:none;border-color:var(--steel-600);box-shadow:0 0 0 3px rgba(45,106,159,.13);background:#fff}
.rfq-q{text-align:center}
.rfq-del{background:none;border:none;color:#c0261c;font-size:12.5px;font-weight:700;cursor:pointer;padding:4px 6px;border-radius:6px}
.rfq-del:hover{background:#fdeceb}
.rfq-total{margin-top:14px;font-size:14px;color:var(--muted);background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:14px 20px;box-shadow:var(--shadow)}
.rfq-total b{color:var(--orange-d);font-size:17px;margin:0 3px}
.rfq-total .sep{margin:0 10px;color:var(--line)}
.rfq-price-hint{font-size:12.5px;color:#9aa9b6}

.rfq-form{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.rfq-form .field-wide{grid-column:1/-1}
.rfq-form .field label i{color:var(--orange-d);font-style:normal}
.rfq-form .field input,.rfq-form .field textarea{padding:11px 13px;border:1px solid var(--line);border-radius:9px;
  font:inherit;font-size:14px;background:#fbfdfe}
.rfq-form .field input:focus,.rfq-form .field textarea:focus{outline:none;border-color:var(--steel-600);
  box-shadow:0 0 0 3px rgba(45,106,159,.13);background:#fff}
.rfq-form .field textarea{resize:vertical;min-height:80px}

.rfq-actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.rfq-send{margin-top:26px;background:linear-gradient(135deg,var(--steel-800),var(--steel-700));border-radius:var(--radius);
  padding:26px 28px;color:#fff;box-shadow:var(--shadow)}
.rfq-send-hd{font-weight:700;font-size:15px;margin-bottom:18px}
.rfq-send-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.rfq-send-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:10px;padding:18px}
.rfq-send-card .ic{font-size:22px}
.rfq-send-card h3{font-size:15px;margin:6px 0 6px;color:#fff}
.rfq-send-card p{font-size:12.5px;color:#b9cfdf;line-height:1.55;min-height:38px}
.rfq-send-card .row{display:flex;align-items:center;gap:10px;margin-top:12px;flex-wrap:wrap}
.rfq-send-card .row b{font-size:14px;color:#ffd7ad;word-break:break-all}
.rfq-note-sm{font-size:11.5px;color:#8fa8bd;margin-top:8px;line-height:1.5}
.rfq-guard{margin-top:20px;font-size:13px;color:var(--muted);background:#fff;border:1px solid var(--line);
  border-left:4px solid var(--ok);border-radius:10px;padding:13px 18px}

/* ---------- 提示条 ---------- */
.rfq-toast{position:fixed;left:50%;bottom:34px;transform:translate(-50%,20px);z-index:990;background:var(--steel-900);color:#fff;
  padding:14px 24px;border-radius:30px;font-size:14px;box-shadow:0 12px 34px rgba(12,34,54,.34);opacity:0;transition:.3s;
  max-width:min(92vw,640px);text-align:center;line-height:1.5}
.rfq-toast.show{opacity:1;transform:translate(-50%,0)}
.rfq-toast a{color:#ffb066;font-weight:700;text-decoration:underline}
.rfq-toast .rfq-ok{color:#5ee08a;font-weight:800}
.rfq-toast strong{color:#ffd7ad}

/* ---------- 打印版询价单 ---------- */
.rfq-print{background:#fff;color:#000;padding:26px 30px;font-size:12.5px}
.rfq-print .doc-hd{text-align:center;border-bottom:2.5px solid #13344f;padding-bottom:12px;margin-bottom:16px}
.rfq-print .doc-hd h1{font-size:22px;letter-spacing:6px;color:#13344f}
.rfq-print .doc-meta{font-size:12px;color:#444;margin-top:4px}
.rfq-print table{width:100%;border-collapse:collapse;margin-bottom:14px}
.rfq-print th,.rfq-print td{border:1px solid #8fa4b5;padding:6px 8px;font-size:12px;text-align:left;vertical-align:top}
.rfq-print .doc-info th{background:#e6eef5;width:88px;font-weight:700;white-space:nowrap}
.rfq-print .doc-items th{background:#13344f;color:#fff;text-align:center}
.rfq-print .doc-items tfoot td{background:#e6eef5;font-weight:700}
.rfq-print .c{text-align:center}
.rfq-print .doc-foot p{margin:3px 0;line-height:1.6}
.rfq-print .doc-foot .sm{font-size:11px;color:#444;margin-top:8px}
.rfq-print .doc-sign{display:flex;justify-content:space-between;margin-top:34px;font-size:12px}

@media print{
  .print-only{display:block!important}
  .rfq-float,.rfq-toast{display:none!important}
  .rfq-print{padding:0}
}

/* ---------- 响应式 ---------- */
@media(max-width:960px){
  .rfq-steps{grid-template-columns:1fr}
  .rfq-form{grid-template-columns:1fr 1fr}
  .rfq-send-grid{grid-template-columns:1fr}
}
@media(max-width:860px){
  .rfq-float{right:12px;bottom:14px}
  .rfq-float-t{display:none}
  .rfq-mini{width:250px}
  .rfq-form{grid-template-columns:1fr;padding:18px}
  .rfq-head h1{font-size:26px}
  .rfq-send{padding:20px}
}

/* ============================================================
   信任与专业度模块（关于我们 / 首页痛点 · 交付物 · 顾虑答疑）
   ============================================================ */

/* ---------- 首页 Hero 承诺 Slogan ---------- */
.hero-slogan{display:inline-block;margin:2px 0 18px;padding:9px 22px;border-radius:30px;
  background:rgba(255,122,24,.16);border:1.5px solid rgba(255,122,24,.55);
  color:#ffc999;font-size:19px;font-weight:800;letter-spacing:1.5px}
.hero .hero-sub{max-width:720px}

/* ---------- 通用页头（浅） ---------- */
.page-hero{background:linear-gradient(135deg,var(--steel-900),var(--steel-700));color:#fff;padding:52px 0 54px;position:relative;overflow:hidden}
.page-hero::after{content:"";position:absolute;right:-90px;bottom:-120px;width:340px;height:340px;border:38px solid rgba(255,122,24,.10);border-radius:50%}
.page-hero h1{font-size:34px;font-weight:800;margin:10px 0 12px}
.page-hero .sub{font-size:16px;color:#cfdfec;max-width:720px;margin:0}
.page-hero .cat-num{color:#ffb066}

/* ---------- 关于我们 开篇正文 ---------- */
.about-lead{max-width:860px;margin:0 auto}
.about-lead p{font-size:16.5px;line-height:1.95;color:#33414f;margin-bottom:18px}
.about-lead .about-lead-em{background:#fff;border-left:4px solid var(--orange);border-radius:0 10px 10px 0;
  padding:16px 22px;font-weight:700;color:var(--steel-800);box-shadow:var(--shadow);margin-bottom:0}

/* ---------- 打勾清单 ---------- */
.tick-list{list-style:none;margin-top:8px}
.tick-list li{position:relative;padding:7px 0 7px 26px;font-size:14px;line-height:1.65;color:var(--muted);
  border-bottom:1px dashed var(--line)}
.tick-list li:last-child{border-bottom:none}
.tick-list li::before{content:"✓";position:absolute;left:0;top:7px;color:var(--ok);font-weight:800;font-size:14px}

/* ---------- 服务流程 7 步 ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.flow-step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 20px 20px;box-shadow:var(--shadow);transition:.2s}
.flow-step:hover{transform:translateY(-3px);border-color:var(--steel-600)}
.flow-n{position:absolute;top:-13px;left:20px;width:28px;height:28px;border-radius:50%;background:var(--orange);
  color:#fff;font-size:14px;font-weight:800;display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 12px rgba(255,122,24,.36)}
.flow-step h4{font-size:15px;color:var(--steel-800);margin:8px 0 8px}
.flow-step p{font-size:13px;color:var(--muted);line-height:1.7}

/* ---------- 交付物清单 ---------- */
.deliv-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.deliv-item{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:16px 20px;box-shadow:var(--shadow)}
.deliv-item:last-child:nth-child(odd){grid-column:1/-1}
.deliv-n{flex:0 0 26px;width:26px;height:26px;border-radius:7px;background:var(--steel-100);color:var(--steel-700);
  font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center;margin-top:1px}
.deliv-item p{font-size:14.5px;color:var(--steel-800);line-height:1.65}

/* ---------- 客户顾虑 FAQ ---------- */
.faq-list{max-width:900px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);margin-bottom:12px;
  box-shadow:var(--shadow);overflow:hidden}
.faq-item summary{cursor:pointer;padding:18px 52px 18px 22px;font-size:15.5px;font-weight:700;color:var(--steel-800);
  position:relative;list-style:none;line-height:1.6}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--orange);transition:.2s}
.faq-item[open] summary::after{content:"−"}
.faq-item[open] summary{background:var(--steel-100);border-bottom:1px solid var(--line)}
.faq-item p{padding:16px 22px 18px;font-size:14.5px;line-height:1.85;color:var(--muted)}

/* ---------- 合规说明 ---------- */
.notice-box{max-width:900px;margin:0 auto;background:#fff;border:1px solid var(--line);border-left:4px solid var(--steel-600);
  border-radius:0 10px 10px 0;padding:22px 26px;box-shadow:var(--shadow)}
.notice-box h3{font-size:15px;color:var(--steel-800);margin-bottom:10px}
.notice-box p{font-size:13.5px;line-height:1.9;color:var(--muted)}

/* ---------- 采购痛点（首页） ---------- */
.pain-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.pain-card{background:#fff;border:1px solid var(--line);border-left:4px solid #d94b3d;border-radius:0 12px 12px 0;
  padding:22px 24px;box-shadow:var(--shadow);transition:.2s}
.pain-card:hover{transform:translateY(-3px)}
.pain-card h3{font-size:16px;color:var(--steel-800);margin-bottom:10px;display:flex;align-items:center;gap:9px}
.pain-card h3 .pn-ic{font-size:19px}
.pain-card p{font-size:13.5px;line-height:1.8;color:var(--muted)}

/* ---------- 居中按钮组 ---------- */
.btns-center{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:18px}

/* ---------- 响应式 ---------- */
@media(max-width:960px){
  .flow-grid{grid-template-columns:repeat(2,1fr)}
  .deliv-grid{grid-template-columns:1fr}
  .deliv-item:last-child:nth-child(odd){grid-column:auto}
  .pain-grid{grid-template-columns:1fr}
}
@media(max-width:860px){
  .page-hero{padding:38px 0 40px}
  .page-hero h1{font-size:26px}
  .page-hero .sub{font-size:14.5px}
  .hero-slogan{font-size:15.5px;letter-spacing:.5px;padding:8px 16px}
  .about-lead p{font-size:15.5px;line-height:1.85}
  .flow-grid{grid-template-columns:1fr}
}

/* 研磨机组缩略图条 */
.grinder-thumbs{display:flex;gap:10px;margin:14px 0 0;flex-wrap:wrap}
.grinder-thumbs img{width:140px;height:100px;object-fit:cover;border:2px solid #e2e6ee;border-radius:8px;cursor:pointer;transition:border-color .15s}
.grinder-thumbs img:hover{border-color:var(--orange)}