:root{
  --blue:#185FA5; --blue-d:#134C84; --blue-l:#E8F1F9;
  --green:#0E9F6E; --green-l:#E6F6EF;
  --orange:#F5A623; --orange-d:#D98A06;
  --ink:#1A1A1A; --sub:#6B7280; --line:#E5E7EB; --bg:#F5F6F8;
  --white:#fff; --radius:14px; --shadow:0 6px 24px rgba(20,40,70,.08);
  --maxw:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--white);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 26px;border-radius:10px;font-size:15px;font-weight:600;cursor:pointer;border:none;transition:.18s;white-space:nowrap}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-d)}
.btn-orange{background:var(--orange);color:#fff}
.btn-orange:hover{background:var(--orange-d)}
.btn-ghost{background:#fff;color:var(--blue);border:1px solid var(--blue)}
.btn-ghost:hover{background:var(--blue-l)}
.btn-lg{padding:15px 34px;font-size:17px}
.section{padding:72px 0}
.section.alt{background:var(--bg)}
.tit{font-size:30px;font-weight:800;letter-spacing:-.5px}
.tit .em{color:var(--blue)}
.sub-tit{color:var(--sub);font-size:16px;margin-top:12px;max-width:680px}
.center{text-align:center}
.center .sub-tit{margin-left:auto;margin-right:auto}

/* header */
 header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:66px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--ink)}
.logo svg{width:32px;height:32px;flex:none}
.logo .t{color:var(--blue)}
.menu{display:flex;gap:30px;align-items:center}
.menu a{font-size:15px;color:var(--ink);font-weight:500;position:relative;padding:4px 0}
.menu a:hover{color:var(--blue)}
.menu a.active{color:var(--blue)}
.menu a.active::after{content:"";position:absolute;left:0;right:0;bottom:-22px;height:3px;background:var(--blue);border-radius:2px}
.nav-cta{display:flex;gap:12px;align-items:center}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.burger span{width:22px;height:2px;background:var(--ink);display:block}

/* hero */
.hero{background:linear-gradient(135deg,#0E3A66 0%,#185FA5 60%,#2E7BC0 100%);color:#fff;padding:84px 0 92px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-120px;top:-80px;width:420px;height:420px;border-radius:50%;background:rgba(255,255,255,.07)}
.hero .wrap{position:relative;z-index:2}
.hero h1{font-size:44px;line-height:1.25;font-weight:800;max-width:760px}
.hero h1 .hl{color:#FFD27A}
.hero p{font-size:18px;margin-top:18px;max-width:600px;color:rgba(255,255,255,.86)}
.hero-cta{margin-top:32px;display:flex;gap:16px;flex-wrap:wrap}
.hero-stats{margin-top:46px;display:flex;gap:46px;flex-wrap:wrap}
.hero-stats .s b{font-size:30px;display:block;font-weight:800}
.hero-stats .s span{color:rgba(255,255,255,.8);font-size:14px}

/* grid */
.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.18s}
.card:hover{box-shadow:var(--shadow);transform:translateY(-3px);border-color:transparent}
.card .ic{width:48px;height:48px;border-radius:12px;background:var(--blue-l);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.card .ic svg{width:26px;height:26px;stroke:var(--blue)}
.card h3{font-size:18px;margin-bottom:8px}
.card p{color:var(--sub);font-size:14px}

/* steps */
.steps{counter-reset:s}
.step{display:flex;gap:18px;align-items:flex-start}
.step .n{counter-increment:s;flex:none;width:42px;height:42px;border-radius:50%;background:var(--blue);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:18px}
.step .n::before{content:counter(s)}
.step h4{font-size:17px;margin-bottom:4px}
.step p{color:var(--sub);font-size:14px}

/* roles */
.role{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:30px;display:flex;flex-direction:column;gap:14px}
.role .tag{display:inline-block;align-self:flex-start;font-size:13px;font-weight:700;padding:4px 12px;border-radius:20px}
.role.c .tag{background:var(--blue-l);color:var(--blue)}
.role.t .tag{background:var(--green-l);color:var(--green)}
.role.e .tag{background:#FFF3E0;color:var(--orange-d)}
.role ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.role li{display:flex;gap:10px;font-size:14px;color:var(--ink)}
.role li svg{width:18px;height:18px;flex:none;stroke:var(--green);margin-top:3px}

/* cat wall */
.cat-group{margin-bottom:34px}
.cat-group h3{font-size:20px;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.cat-group h3 .dot{width:10px;height:10px;border-radius:3px;background:var(--blue)}
.cat-list{display:flex;flex-wrap:wrap;gap:12px}
.chip{background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:10px 16px;font-size:14px;font-weight:500;transition:.15s}
.chip:hover{background:var(--blue-l);border-color:var(--blue);color:var(--blue)}

/* trust */
.trust{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.trust .card .ic{background:var(--green-l)}
.trust .card .ic svg{stroke:var(--green)}

/* CTA band */
.cta-band{background:var(--blue);color:#fff;border-radius:20px;padding:48px;text-align:center}
.cta-band h2{font-size:28px;margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.85);margin-bottom:24px}

/* 真实案例区块 (官网内容深化) */
.case-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:26px;display:flex;flex-direction:column;gap:10px;transition:.18s}
.case-card:hover{box-shadow:var(--shadow);transform:translateY(-3px);border-color:transparent}
.case-card .ic{width:48px;height:48px;border-radius:12px;background:var(--blue-l);display:flex;align-items:center;justify-content:center}
.case-card .ic svg{width:26px;height:26px;stroke:var(--blue)}
.case-tag{display:inline-block;align-self:flex-start;font-size:12px;font-weight:700;padding:3px 12px;border-radius:20px;background:var(--green-l);color:var(--green)}
.case-card h3{font-size:17px;margin-top:2px}
.case-card p{color:var(--sub);font-size:14px;flex:1}
.case-foot{display:flex;gap:12px;align-items:center;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:12px;margin-top:auto;font-size:13px;color:var(--sub)}
.case-foot .case-tag{align-self:center;margin:0;padding:2px 10px;font-size:11.5px}
.case-star{color:var(--orange-d);font-weight:700}

/* 资质与合规区块 (官网内容深化) */
.qcard{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.18s}
.qcard:hover{box-shadow:var(--shadow);transform:translateY(-3px);border-color:transparent}
.qcard .ic{width:48px;height:48px;border-radius:12px;background:var(--blue-l);display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.qcard .ic svg{width:26px;height:26px;stroke:var(--blue)}
.qcard h3{font-size:17px;margin-bottom:8px}
.qcard p{color:var(--sub);font-size:14px}

/* footer */
footer{background:#0F2336;color:#C7D2DE;padding:54px 0 30px}
.foot{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:30px}
.foot h4{color:#fff;font-size:15px;margin-bottom:16px}
.foot a{display:block;color:#C7D2DE;font-size:14px;margin-bottom:10px}
.foot a:hover{color:#fff}
.foot .desc{font-size:14px;line-height:1.7;max-width:320px;margin-top:12px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:36px;padding-top:20px;font-size:13px;color:#8FA3B5;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* form */
.form{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:34px;max-width:620px;margin:0 auto;box-shadow:var(--shadow)}
.form .row{margin-bottom:18px}
.form label{display:block;font-size:14px;font-weight:600;margin-bottom:8px}
.form label .req{color:#E0483B;margin-left:2px}
.form input,.form select,.form textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font-size:15px;font-family:inherit;background:#fff;color:var(--ink)}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-l)}
.form textarea{resize:vertical;min-height:96px}
.form .hint{font-size:13px;color:var(--sub);margin-top:6px}
.form .two{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-ok{background:var(--green-l);border:1px solid var(--green);color:#0B7D55;border-radius:12px;padding:18px;text-align:center;font-weight:600;margin-top:8px}
.form-err{background:#FDECEA;color:#C0392B;border-radius:10px;padding:12px;font-size:14px;margin-top:6px}
.seg{display:flex;gap:10px;flex-wrap:wrap}
.seg label{display:flex;align-items:center;gap:8px;padding:10px 16px;border:1px solid var(--line);border-radius:10px;cursor:pointer;font-weight:500}
.seg input{width:auto}

/* mobile guide */
.mguide{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:30px;background:linear-gradient(160deg,#0E3A66,#185FA5)}
.mguide .logo{color:#fff;font-size:22px;margin-bottom:26px}
.mguide h1{color:#fff;font-size:26px;margin-bottom:10px}
.mguide p{color:rgba(255,255,255,.85);margin-bottom:30px}
.qr{width:220px;height:220px;background:#fff;border-radius:18px;padding:16px;display:flex;align-items:center;justify-content:center}
.qr svg,.qr img{width:100%;height:100%;object-fit:contain;display:block}
.qr.fail{background:#fff;flex-direction:column;gap:8px}
.qr.fail img{display:none}
.qr.fail::before{content:"";width:52px;height:52px;border:2px dashed #CBD5E1;border-radius:10px}
.qr.fail::after{content:"\5c0f\7a0b\5e8f\7801\52a0\8f7d\5931\8d25\ff0c\8bf7\76f4\63a5\641c\7d22\5c0f\7a0b\5e8f";font-size:12px;color:#94A3B8;text-align:center}
.mguide .tip{color:rgba(255,255,255,.7);font-size:13px;margin-top:22px;max-width:300px}
.mguide .open{margin-top:24px}
.mguide .msub{max-width:320px;line-height:1.7;font-size:14px}
.mstep{list-style:none;text-align:left;max-width:330px;margin:0 0 26px;display:flex;flex-direction:column;gap:14px}
.mstep li{display:flex;gap:12px;align-items:flex-start;color:rgba(255,255,255,.9);font-size:14px;line-height:1.6}
.mstep .n{flex:none;width:24px;height:24px;border-radius:50%;background:rgba(255,255,255,.18);
  border:1px solid rgba(255,255,255,.3);color:#fff;font-size:13px;font-weight:700;
  display:flex;align-items:center;justify-content:center;margin-top:1px}
.mstep b{color:#fff}
.mcopy{margin-bottom:12px}
.mnote{font-size:12.5px;color:rgba(255,255,255,.62);max-width:300px;line-height:1.7}
.mnote.ok{color:#6EE7B7}
.mnote.warn{color:#FCD34D}
.mdiv{display:flex;align-items:center;gap:12px;margin:30px 0 20px;color:rgba(255,255,255,.5);font-size:12.5px}
.mdiv::before,.mdiv::after{content:"";height:1px;width:40px;background:rgba(255,255,255,.22)}
.mguide .qr{width:170px;height:170px;padding:12px;border-radius:14px}
.mlinks{display:flex;gap:20px;margin-top:26px;font-size:13.5px;flex-wrap:wrap;justify-content:center}
.mlinks a{color:rgba(255,255,255,.82);border-bottom:1px solid rgba(255,255,255,.3);padding-bottom:2px}
/* 手机专用页(m.html)的协议入口: 比 .mlinks 更弱, 是脚注不是入口 */
.mlegal{margin-top:20px;text-align:center;font-size:12px;color:rgba(255,255,255,.42)}
.mlegal a{color:rgba(255,255,255,.55)}
.mlegal a:hover{color:rgba(255,255,255,.85)}


@media(max-width:980px){
  .grid-3,.grid-4,.grid-2{grid-template-columns:1fr 1fr}
  .trust{grid-template-columns:1fr 1fr}
  .foot{grid-template-columns:1fr 1fr}
}
@media(max-width:680px){
  .hero h1{font-size:32px}
  .tit{font-size:24px}
  .grid-3,.grid-4,.grid-2{grid-template-columns:1fr}
  .trust{grid-template-columns:1fr}
  .form .two{grid-template-columns:1fr}
  .hero-stats{gap:26px}
}

/* ==========================================================================
   v2 组件 (2026-10 官网重构)
   只新增、不改动上面已有类, 存量页面不受影响。
   设计约束: 所有对外文案只写「可验证的机制」, 不出现师傅人数/服务单量等
   规模数字 —— 库内师傅数与订单量远小于历史宣传口径, 数字一旦被访客核对即失信。
   ========================================================================== */

/* ---- Hero 两栏 (左文案 + 右小程序码) ---- */
.h2{position:relative;overflow:hidden;color:#fff;padding:76px 0 84px;
  background:radial-gradient(1200px 520px at 78% -10%,#2E7BC0 0%,rgba(46,123,192,0) 62%),
             linear-gradient(135deg,#0B3259 0%,#134C84 52%,#185FA5 100%)}
.h2::before{content:"";position:absolute;inset:0;opacity:.16;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.5) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(700px 420px at 20% 0%,#000 0%,transparent 78%);
          mask-image:radial-gradient(700px 420px at 20% 0%,#000 0%,transparent 78%)}
.h2 .wrap{position:relative;display:grid;grid-template-columns:1fr 336px;gap:60px;align-items:center}
.h2 .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  letter-spacing:.04em;color:#BFDBFE;background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.18);padding:6px 13px;border-radius:999px}
.h2 .eyebrow i{width:6px;height:6px;border-radius:50%;background:#34D399;display:block}
.h2 h1{font-size:46px;line-height:1.22;font-weight:800;letter-spacing:-1.2px;margin:20px 0 0}
.h2 h1 em{font-style:normal;color:#7DD3FC}
.h2 .lede{font-size:16.5px;line-height:1.8;color:rgba(255,255,255,.82);margin-top:18px;max-width:560px}
.h2 .evi{display:flex;flex-wrap:wrap;gap:9px;margin-top:24px}
.h2 .evi span{font-size:13.5px;color:#E0F2FE;background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.16);padding:6px 12px;border-radius:8px;
  display:inline-flex;align-items:center;gap:6px}
.h2 .evi svg{width:14px;height:14px;flex:none;stroke:#6EE7B7}
.h2 .acts{display:flex;gap:13px;margin-top:30px;flex-wrap:wrap}

/* 小程序码卡 */
.qrcard{background:#fff;border-radius:20px;padding:24px 22px 20px;text-align:center;
  box-shadow:0 22px 60px rgba(3,17,38,.34);color:var(--ink)}
.qrcard .qrbox{width:200px;height:200px;margin:0 auto;border-radius:14px;overflow:hidden;
  background:#F6F8FB;border:1px solid #E6EBF3;display:flex;align-items:center;justify-content:center}
.qrcard .qrbox img{width:100%;height:100%;display:block}
.qrcard .qrbox.fail img{display:none}
.qrcard .qrbox.fail{flex-direction:column;gap:6px}
.qrcard .qrbox.fail::before{content:"";width:44px;height:44px;border:2px dashed #CBD5E1;border-radius:10px}
.qrcard .qrbox.fail::after{content:"小程序码加载失败 请直接微信搜索小程序";font-size:12px;color:#98A2B3;max-width:160px;line-height:1.6}
.qrcard b{display:block;font-size:15.5px;margin-top:15px;font-weight:700}
.qrcard em{display:block;font-style:normal;font-size:12.5px;color:var(--sub);margin-top:5px;line-height:1.7}

/* ---- 业务线卡片 ---- */
.biz{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:44px}
.biz-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:26px 24px 24px;transition:.2s;overflow:hidden}
.biz-card:hover{transform:translateY(-3px);box-shadow:0 16px 40px rgba(20,40,70,.11);border-color:#CFE3F5}
.biz-card .bi{width:44px;height:44px;border-radius:12px;background:var(--blue-l);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.biz-card .bi svg{width:22px;height:22px;stroke:var(--blue);fill:none;stroke-width:1.8;
  stroke-linecap:round;stroke-linejoin:round}
.biz-card h3{font-size:18px;font-weight:700;display:flex;align-items:center;gap:9px}
.biz-card h3 .flag{font-size:11px;font-weight:600;color:#B45309;background:#FEF3C7;
  border-radius:5px;padding:2px 7px;letter-spacing:.02em}
.biz-card p{font-size:14px;color:var(--sub);line-height:1.75;margin-top:9px}
.biz-card ul{list-style:none;margin-top:13px;display:flex;flex-wrap:wrap;gap:7px}
.biz-card li{font-size:12.5px;color:#334155;background:#F3F6FA;border-radius:6px;padding:4px 9px}
.biz-card.lead{grid-column:span 1;border-color:#CFE3F5;
  background:linear-gradient(180deg,#F7FBFF 0%,#fff 46%)}
.biz-card.helper{background:#FBFCFE;border-style:dashed;border-color:#CBD5E1;box-shadow:none}
.biz-card.helper:hover{transform:none;box-shadow:none;border-color:#94A3B8}
.biz-card.helper .bi{background:#EEF2F7}
.biz-card.helper .bi svg{stroke:#64748B}
.biz-card.helper .btn{margin-top:auto}

/* ---- 服务类目 ---- */
.cats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:38px}
.cat{display:flex;align-items:center;gap:11px;background:#fff;border:1px solid var(--line);
  border-radius:12px;padding:15px 16px;transition:.16s}
.cat:hover{border-color:#CFE3F5;background:#F9FCFF}
.cat i{width:34px;height:34px;border-radius:9px;background:var(--blue-l);flex:none;
  display:flex;align-items:center;justify-content:center}
.cat i svg{width:17px;height:17px;stroke:var(--blue);fill:none;stroke-width:1.9;
  stroke-linecap:round;stroke-linejoin:round}
.cat span{font-size:14.5px;font-weight:600}
.cat em{display:block;font-style:normal;font-size:12px;color:var(--sub);font-weight:400;margin-top:1px}

/* ---- 四步流程 (带连线) ---- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:46px;position:relative}
.flow-step{position:relative;padding:0 26px}
.flow-step::before{content:"";position:absolute;top:23px;left:0;right:0;height:2px;
  background:linear-gradient(90deg,#CFE3F5,#CFE3F5);z-index:0}
.flow-step:first-child::before{left:50%}
.flow-step:last-child::before{right:50%}
.flow-step .fn{position:relative;z-index:1;width:48px;height:48px;border-radius:50%;
  background:#fff;border:2px solid #CFE3F5;color:var(--blue);font-weight:800;font-size:17px;
  display:flex;align-items:center;justify-content:center;margin:0 auto}
.flow-step h4{font-size:15.5px;font-weight:700;text-align:center;margin-top:16px}
.flow-step p{font-size:13.5px;color:var(--sub);line-height:1.75;text-align:center;margin-top:8px}

/* ---- FAQ ---- */
.faq{max-width:820px;margin:40px auto 0}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;
  padding:0 20px;margin-bottom:10px;transition:.16s}
.faq details[open]{border-color:#CFE3F5;box-shadow:0 8px 24px rgba(20,40,70,.06)}
.faq summary{list-style:none;cursor:pointer;padding:17px 0;font-size:15px;font-weight:600;
  display:flex;align-items:center;justify-content:space-between;gap:14px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";width:9px;height:9px;flex:none;border-right:2px solid #94A3B8;
  border-bottom:2px solid #94A3B8;transform:rotate(45deg);transition:.2s;margin-right:3px}
.faq details[open] summary::after{transform:rotate(-135deg);margin-top:5px}
.faq .a{font-size:14px;color:var(--sub);line-height:1.85;padding:0 0 18px;max-width:96%}

/* ---- 页脚 v2 ---- */
.foot2{background:#0B1B2B;color:#94A3B8;padding:56px 0 26px;font-size:14px}
.foot2 .cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.foot2 .brandline{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px}
.foot2 .brandline svg{width:30px;height:30px;flex:none}
.foot2 .about{line-height:1.85;font-size:13.5px;margin-top:14px;max-width:330px;color:#7C8DA0}
.foot2 h5{color:#fff;font-size:13.5px;font-weight:700;margin-bottom:14px;letter-spacing:.02em}
.foot2 ul{list-style:none}
.foot2 li{margin-bottom:10px}
.foot2 li a{color:#94A3B8;font-size:13.5px}
.foot2 li a:hover{color:#fff}
.foot2 .base{margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:12.5px;color:#64748B}
/* 协议入口: 与小程序内「隐私与合规」同源(后端 /privacy /terms 渲染同一份 compliance_config),
   放在最底行而不是栏目里 —— 这是合规章节, 不是导航栏目。 */
.foot2 .legal{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.foot2 .legal a{color:#94A3B8;font-size:12.5px}
.foot2 .legal a:hover{color:#fff}
.foot2 .legal i{font-style:normal;color:#3E5064}

/* ---- 响应式 ---- */
@media(max-width:960px){
  .h2 .wrap{grid-template-columns:1fr;gap:38px}
  .h2 h1{font-size:36px}
  .qrcard{max-width:340px;margin:0 auto}
  .biz{grid-template-columns:repeat(2,1fr)}
  .cats{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr);gap:34px 0}
  .flow-step::before{display:none}
  .foot2 .cols{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:640px){
  .h2{padding:52px 0 58px}
  .h2 h1{font-size:29px}
  .h2 .lede{font-size:15px}
  .biz{grid-template-columns:1fr}
  .cats{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr;gap:26px}
  .foot2 .cols{grid-template-columns:1fr;gap:28px}
  .qrcard .qrbox{width:180px;height:180px}
}
/* ---- 提示框 / 对比表 (业务线页) ---- */
a.chip{display:inline-block}
.note{background:#fff;border:1px solid var(--line);border-left:4px solid var(--blue);
  border-radius:10px;padding:16px 20px;font-size:14px;line-height:1.9;color:var(--sub)}
.note b{color:var(--ink);font-weight:700}
.tbl-wrap{margin-top:38px;background:#fff;border:1px solid var(--line);border-radius:14px;
  overflow-x:auto;-webkit-overflow-scrolling:touch}
.tbl{width:100%;border-collapse:collapse;min-width:720px}
.tbl th{background:#F3F6FA;font-size:13px;font-weight:700;color:#334155;text-align:left;
  padding:14px 18px;border-bottom:1px solid var(--line);white-space:nowrap}
.tbl td{font-size:13.5px;color:var(--sub);line-height:1.75;padding:15px 18px;
  border-bottom:1px solid #F0F3F8;vertical-align:top}
.tbl tbody tr:last-child td{border-bottom:none}
.tbl td b{color:var(--ink)}
.tbl td.warn{color:#B45309;background:#FFFCF4}
@media(max-width:640px){
  .note{font-size:13.5px;padding:14px 16px}
  .tbl th,.tbl td{padding:12px 14px}
}
/* ---- 类目清单 (services 页) ---- */
.cat-group h3 .cnt{font-size:13px;font-weight:600;color:var(--sub);margin-left:4px}
.l2{display:flex;flex-direction:column;gap:16px}
.l2blk{display:flex;gap:16px;align-items:flex-start}
.l2blk .l2t{flex:none;width:96px;font-size:14px;font-weight:700;color:#334155;padding-top:10px}
.l2blk .cat-list{flex:1}
.chip{display:inline-flex;align-items:center;gap:7px}
.chip em{font-style:normal;font-size:11.5px;color:#64748B;background:#EEF2F7;border-radius:4px;padding:1px 5px;font-weight:500}
.chip .rk{font-size:11.5px;font-weight:700;color:#B45309;background:#FEF3C7;border-radius:4px;padding:1px 5px}
.chip .ck{font-size:11.5px;font-weight:700;color:#0E6E4E;background:#E6F6EF;border-radius:4px;padding:1px 5px}
@media(max-width:760px){
  .l2blk{flex-direction:column;gap:8px}
  .l2blk .l2t{width:auto;padding-top:0}
}

/* ==========================================================================
   v4 导航 (2026-10-21)
   一份 DOM 两种排版: 宽屏横排 (.navpanel 透明容器) / 窄屏下拉面板。
   断点定在 1024 而不是 680 —— 实测 720~1000px 时 7 个导航项 + 2 个按钮
   的右边缘会贴合(menu.right === cta.left), 那一段既没有汉堡也没有可用间距。
   ========================================================================== */
.navpanel{display:flex;align-items:center;gap:30px;margin-left:auto}
.navpanel .menu{display:flex;gap:30px;align-items:center}
.navpanel .nav-cta{display:flex;gap:12px;align-items:center}
.burger{border:0;background:none;padding:8px;margin-right:-8px;
  -webkit-tap-highlight-color:transparent}
.burger:focus-visible{outline:2px solid var(--blue);outline-offset:2px;border-radius:6px}
.burger span{transition:transform .22s ease,opacity .16s ease}

@media(max-width:1023px){
  .nav{position:relative}
  .burger{display:flex}
  .navpanel{display:none;position:absolute;top:100%;left:0;right:0;margin:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-top:1px solid var(--line);
    box-shadow:0 18px 44px rgba(15,32,48,.16);
    max-height:calc(100vh - 66px);overflow:auto;z-index:60}
  .navpanel.open{display:flex}
  .navpanel .menu{flex-direction:column;align-items:stretch;gap:0;width:100%}
  .navpanel .menu a{padding:14px 22px;font-size:16px;border-bottom:1px solid var(--line)}
  .navpanel .menu a.active{background:rgba(24,95,165,.06)}
  .navpanel .menu a.active::after{display:none}
  .navpanel .nav-cta{flex-direction:column;align-items:stretch;gap:10px;
    padding:14px 22px 18px;border-top:1px solid var(--line)}
  .navpanel .nav-cta .btn{justify-content:center;text-align:center}
  .burger.on span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .burger.on span:nth-child(2){opacity:0}
  .burger.on span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
}

/* v4 两栏区 (tech / contact / download)
   原来写的是内联 grid-template-columns, 内联样式压不下来, 390px 下被压成
   102px + 240px 两列, 表单直接顶出视口(实测 tech.html docW=402)。
   换成类名后由媒体查询接管: 860 以下单列堆叠。 */
.split2{display:grid;gap:44px;align-items:start;grid-template-columns:1fr 1fr}
.split2.wide{grid-template-columns:1fr 1.1fr}
.split2.mid{align-items:center}
@media(max-width:860px){
  .split2,.split2.wide,.split2.mid{grid-template-columns:1fr;gap:30px;align-items:start}
}