:root{
  --blue:#2B5AED; --blue-dark:#1E42BE; --blue-light:#EAF0FF;
  --ink:#1a2233; --gray:#5b6577; --line:#e6eaf2; --bg:#f5f7fb;
  --radius:16px; --shadow:0 4px 20px rgba(30,50,120,.08);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.7;font-size:16px}
img{max-width:100%}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
h1,h2,h3{line-height:1.35}
.section{padding:88px 0}
.section.alt{background:var(--bg)}
.sec-head{text-align:center;max-width:760px;margin:0 auto 56px}
.sec-head .kicker{display:inline-block;color:var(--blue);font-weight:600;font-size:14px;letter-spacing:2px;margin-bottom:12px}
.sec-head h2{font-size:36px;font-weight:700}
.sec-head p{color:var(--gray);margin-top:14px;font-size:17px}

/* ===== 导航 ===== */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);box-shadow:0 1px 0 var(--line)}
.nav{display:flex;align-items:center;height:68px;gap:28px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--ink)}
.logo .mark{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--blue),#5d7bff);color:#fff;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:800}
.logo small{display:block;font-size:11px;color:var(--gray);font-weight:400;line-height:1.2}
.nav-links{display:flex;gap:6px;margin-left:auto}
.nav-links a{padding:8px 14px;border-radius:8px;font-size:15px;color:var(--ink);transition:.2s}
.nav-links a:hover{color:var(--blue);background:var(--blue-light)}
.nav-links a.active{color:var(--blue);font-weight:600}
.nav-tel{display:flex;align-items:center;gap:6px;color:var(--blue);font-weight:700;font-size:16px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 30px;border-radius:12px;font-size:16px;font-weight:600;border:none;cursor:pointer;transition:.25s}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 6px 18px rgba(43,90,237,.35)}
.btn-primary:hover{background:var(--blue-dark);transform:translateY(-2px)}
.btn-ghost{background:#fff;color:var(--blue);border:1.5px solid var(--blue)}
.btn-ghost:hover{background:var(--blue-light);transform:translateY(-2px)}
.btn-sm{padding:9px 20px;font-size:14px;border-radius:9px}
.nav-cta{background:var(--blue);color:#fff;padding:9px 20px;border-radius:9px;font-size:14px;font-weight:600;transition:.2s}
.nav-cta:hover{background:var(--blue-dark)}
.menu-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px}
.menu-toggle span{display:block;width:24px;height:2px;background:var(--ink);margin:5px 0;border-radius:2px;transition:.3s}

/* ===== Hero ===== */
.hero{padding:170px 0 110px;background:linear-gradient(160deg,#eef3ff 0%,#f8faff 60%,#fff 100%);position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.hero h1{font-size:46px;font-weight:800;margin-bottom:20px}
.hero h1 em{font-style:normal;color:var(--blue)}
.hero .sub{font-size:18px;color:var(--gray);margin-bottom:18px}
.hero .chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px}
.hero .chips span{background:#fff;border:1px solid var(--line);padding:7px 16px;border-radius:99px;font-size:14px;color:var(--blue);font-weight:500;box-shadow:var(--shadow)}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-visual{position:relative}
.gauge{width:320px;height:320px;margin:0 auto;border-radius:50%;background:conic-gradient(var(--blue) 0 68%,#e6eaf2 68% 100%);display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow)}
.gauge .inner{width:250px;height:250px;border-radius:50%;background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}
.gauge .num{font-size:56px;font-weight:800;color:var(--blue);line-height:1}
.gauge .cap{color:var(--gray);font-size:14px;margin-top:8px}
.float-tag{position:absolute;background:#fff;border-radius:12px;box-shadow:var(--shadow);padding:10px 16px;font-size:14px;font-weight:600;display:flex;align-items:center;gap:8px}
.float-tag i{width:9px;height:9px;border-radius:50%;background:#22c55e;display:inline-block}
.ft1{top:6%;left:-4%}.ft2{bottom:10%;right:-2%}.ft3{bottom:-4%;left:6%}

/* 信任背书条 */
.trustbar{background:var(--blue);color:#fff;padding:18px 0}
.trustbar .container{display:flex;justify-content:center;gap:40px;flex-wrap:wrap;font-size:15px;font-weight:500}
.trustbar span{display:flex;align-items:center;gap:8px;opacity:.95}

/* ===== 卡片 ===== */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:34px 30px;transition:.3s;border:1px solid transparent}
.card:hover{transform:translateY(-6px);box-shadow:0 12px 32px rgba(30,50,120,.14);border-color:var(--blue-light)}
.card .icon{width:56px;height:56px;border-radius:14px;background:var(--blue-light);display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:20px}
.card h3{font-size:19px;margin-bottom:10px}
.card p{color:var(--gray);font-size:15px}
.card a.more{display:inline-block;margin-top:14px;color:var(--blue);font-weight:600;font-size:14px}
.card a.more:hover{text-decoration:underline}

/* 时间线 */
.timeline{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;position:relative}
.timeline:before{content:"";position:absolute;top:23px;left:6%;right:6%;height:2px;background:var(--line)}
.tl-item{text-align:center;position:relative}
.tl-item .dot{width:48px;height:48px;border-radius:50%;background:#fff;border:2px solid var(--blue);color:var(--blue);font-weight:700;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;position:relative;z-index:1;transition:.3s}
.tl-item:hover .dot{background:var(--blue);color:#fff}
.tl-item h4{font-size:16px;margin-bottom:6px}
.tl-item p{font-size:13px;color:var(--gray)}

/* 产品矩阵 */
.anchor-bar{position:sticky;top:68px;z-index:900;background:rgba(255,255,255,.95);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);padding:14px 0}
.anchor-bar .container{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}
.anchor-bar a{padding:7px 18px;border-radius:99px;background:var(--bg);font-size:14px;color:var(--gray);transition:.2s}
.anchor-bar a:hover,.anchor-bar a.active{background:var(--blue);color:#fff}
.p-card{display:flex;flex-direction:column}
.p-card .tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:18px}
.p-card .tags span{background:var(--bg);color:var(--gray);font-size:12px;padding:4px 12px;border-radius:99px;border:1px solid var(--line)}
.p-card .scenes{margin:14px 0 0;padding-left:0}
.p-card .scenes li{position:relative;padding-left:22px;color:var(--gray);font-size:14px;margin-bottom:7px}
.p-card .scenes li:before{content:"✓";position:absolute;left:0;color:var(--blue);font-weight:700}
.p-card .vp{color:var(--blue);font-weight:600;font-size:15px;margin-bottom:4px}
.group-title{font-size:26px;font-weight:700;margin:64px 0 26px;display:flex;align-items:center;gap:12px}
.group-title:before{content:"";width:5px;height:26px;border-radius:3px;background:var(--blue);display:inline-block}

/* 行业 Tab */
.tabs{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-bottom:44px}
.tab-btn{padding:11px 26px;border-radius:12px;border:1.5px solid var(--line);background:#fff;font-size:15px;font-weight:600;color:var(--gray);cursor:pointer;transition:.25s}
.tab-btn:hover{border-color:var(--blue);color:var(--blue)}
.tab-btn.active{background:var(--blue);border-color:var(--blue);color:#fff;box-shadow:0 6px 16px rgba(43,90,237,.3)}
.tab-panel{display:none;animation:fadeUp .4s ease}
.tab-panel.active{display:block}
.ind-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ind-card h4{display:flex;align-items:center;gap:8px;font-size:16px;margin-bottom:14px;color:var(--blue)}
.ind-card ul li{padding:8px 0;border-bottom:1px dashed var(--line);color:var(--gray);font-size:14px}
.ind-card ul li:last-child{border-bottom:none}
.combo{margin-top:18px;background:var(--blue-light);border-radius:10px;padding:14px 16px;font-size:14px;color:var(--blue-dark);font-weight:600}

/* GEO */
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.flow-item{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:26px 20px;text-align:center;position:relative;transition:.3s}
.flow-item:hover{transform:translateY(-5px)}
.flow-item .num{width:40px;height:40px;border-radius:50%;background:var(--blue);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;margin:0 auto 14px}
.flow-item h4{font-size:16px;margin-bottom:8px}
.flow-item p{font-size:13px;color:var(--gray)}
.ai-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:8px}
.ai-card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:26px;text-align:center}
.ai-card .logo-t{font-size:22px;font-weight:800;color:var(--ink);margin-bottom:8px}
.ai-card p{font-size:13px;color:var(--gray)}
.search-demo{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:26px 30px;max-width:720px;margin:36px auto 0}
.search-demo .q{background:var(--bg);border-radius:99px;padding:12px 22px;color:var(--gray);font-size:15px;margin-bottom:18px}
.search-demo .q b{color:var(--blue)}
.search-demo .ans{font-size:14px;color:var(--gray)}
.search-demo .ans .hl{background:#fff3c4;padding:1px 4px;border-radius:4px;font-weight:600;color:var(--ink)}
.geo-tool{background:linear-gradient(135deg,var(--blue),#4a6fff);border-radius:20px;color:#fff;padding:52px 48px;max-width:880px;margin:0 auto}
.geo-tool h3{font-size:26px;margin-bottom:8px}
.geo-tool .tip{opacity:.85;font-size:14px;margin-bottom:28px}
.tool-row{display:flex;gap:14px;flex-wrap:wrap}
.geo-tool select,.geo-tool input{flex:1;min-width:180px;padding:14px 18px;border-radius:10px;border:none;font-size:15px;outline:none}
.geo-tool .btn-light{background:#fff;color:var(--blue);font-weight:700}
.geo-tool .btn-light:hover{background:#eaf0ff}
.tool-result{display:none;margin-top:30px;background:rgba(255,255,255,.12);border-radius:14px;padding:28px;animation:fadeUp .5s ease}
.tool-result.show{display:block}
.score-num{font-size:60px;font-weight:800;line-height:1}
.score-bar{height:10px;border-radius:99px;background:rgba(255,255,255,.25);margin:16px 0 22px;overflow:hidden}
.score-bar i{display:block;height:100%;border-radius:99px;background:#fff;width:0;transition:width 1.2s ease}
.tool-result ol{padding-left:20px}
.tool-result li{margin-bottom:10px;font-size:15px;opacity:.95}

/* 关于 */
.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:start}
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:44px}
.stat{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:28px;text-align:center}
.stat .n{font-size:34px;font-weight:800;color:var(--blue)}
.stat .l{color:var(--gray);font-size:14px;margin-top:6px}
.case-card .badge{display:inline-block;background:#fff3c4;color:#9a6b00;font-size:12px;font-weight:600;padding:3px 10px;border-radius:99px;margin-bottom:12px}
.case-card .kpi{display:flex;gap:20px;margin-top:16px;padding-top:16px;border-top:1px dashed var(--line)}
.case-card .kpi div b{display:block;font-size:22px;color:var(--blue)}
.case-card .kpi div span{font-size:12px;color:var(--gray)}
.area-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:12px}
.area{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 8px;text-align:center;font-weight:600;transition:.25s}
.area:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-4px);box-shadow:var(--shadow)}
.area small{display:block;font-weight:400;font-size:11px;color:var(--gray);margin-top:4px}

/* FAQ */
.faq{max-width:820px;margin:0 auto}
.faq-item{background:#fff;border-radius:14px;box-shadow:var(--shadow);margin-bottom:14px;overflow:hidden}
.faq-item .q{width:100%;background:none;border:none;text-align:left;padding:20px 26px;font-size:16px;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center;color:var(--ink)}
.faq-item .q:after{content:"+";font-size:22px;color:var(--blue);transition:.3s}
.faq-item.open .q:after{transform:rotate(45deg)}
.faq-item .a{max-height:0;overflow:hidden;transition:max-height .35s ease;color:var(--gray);font-size:15px}
.faq-item .a p{padding:0 26px 22px}

/* CTA 横幅 */
.cta-banner{background:linear-gradient(120deg,#1e42be,#2B5AED 60%,#4a6fff);border-radius:24px;color:#fff;text-align:center;padding:64px 32px}
.cta-banner h2{font-size:32px;margin-bottom:14px}
.cta-banner p{opacity:.9;margin-bottom:28px}
.cta-banner .btn{background:#fff;color:var(--blue)}
.cta-banner .btn:hover{transform:translateY(-2px)}
/* CTA 里主按钮实心强调，「加微信」保持描边，避免两个白底按钮分不清主次 */
.cta-banner .btn-primary{background:#fff;color:var(--blue);border:2px solid #fff;font-weight:800}
.cta-banner .btn-ghost{background:rgba(255,255,255,.14);color:#fff;border:2px solid rgba(255,255,255,.75)}
.cta-banner .btn-ghost:hover{background:rgba(255,255,255,.26);color:#fff}

/* 联系页 */
.contact-grid{display:grid;grid-template-columns:1fr 1.4fr;gap:44px;align-items:start}
.info-card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:34px;margin-bottom:20px}
.info-card h3{font-size:18px;margin-bottom:14px;display:flex;align-items:center;gap:10px}
.info-card .tel{font-size:30px;font-weight:800;color:var(--blue)}
.info-card p{color:var(--gray);font-size:15px}
.form-card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:42px}
.form-card h2{font-size:24px;margin-bottom:6px}
.form-card .hint{color:var(--gray);font-size:14px;margin-bottom:28px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{margin-bottom:20px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px}
.field label .req{color:#e5484d}
.field input[type=text],.field input[type=tel],.field select,.field textarea{width:100%;padding:12px 16px;border:1.5px solid var(--line);border-radius:10px;font-size:15px;outline:none;transition:.2s;font-family:inherit;background:#fff}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(43,90,237,.12)}
.field textarea{resize:vertical;min-height:90px}
.radio-row,.check-row{display:flex;flex-wrap:wrap;gap:10px}
.radio-row label,.check-row label{display:inline-flex;align-items:center;gap:6px;border:1.5px solid var(--line);border-radius:99px;padding:8px 16px;font-size:14px;cursor:pointer;font-weight:400;transition:.2s;margin-bottom:0}
.radio-row input,.check-row input{accent-color:var(--blue)}
.radio-row label:has(input:checked),.check-row label:has(input:checked){border-color:var(--blue);background:var(--blue-light);color:var(--blue);font-weight:600}
.form-msg{display:none;margin-top:16px;padding:12px 16px;border-radius:10px;font-size:14px}
.form-msg.err{display:block;background:#fdecec;color:#c03535}
.form-msg.ok{display:block;background:#e8f7ee;color:#1a7f45}

/* 成功弹窗 */
.modal{position:fixed;inset:0;background:rgba(15,23,42,.55);display:none;align-items:center;justify-content:center;z-index:2000;padding:20px}
.modal.show{display:flex}
.modal .box{background:#fff;border-radius:20px;max-width:460px;width:100%;padding:44px 38px;text-align:center;position:relative;animation:fadeUp .4s ease}
.modal .close{position:absolute;top:16px;right:20px;background:none;border:none;font-size:24px;color:var(--gray);cursor:pointer}
.modal .ok-ico{width:72px;height:72px;border-radius:50%;background:#e8f7ee;color:#1a7f45;font-size:34px;display:flex;align-items:center;justify-content:center;margin:0 auto 18px}
.modal h3{font-size:22px;margin-bottom:8px}
.modal p{color:var(--gray);font-size:15px}
.modal img.qr{width:170px;height:170px;border-radius:12px;border:1px solid var(--line);margin:18px auto 8px;display:block}
.modal .promise{margin-top:10px;font-weight:600;color:var(--ink)}

/* 页脚 */
.site-footer{background:#101828;color:#c6cdd8;padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px}
.footer-grid h4{color:#fff;font-size:16px;margin-bottom:16px}
.footer-grid a{display:block;color:#98a2b3;font-size:14px;padding:5px 0;transition:.2s}
.footer-grid a:hover{color:#fff}
.footer-grid p{font-size:14px;color:#98a2b3;line-height:1.9}
.footer-bottom{border-top:1px solid #263244;padding:20px 0;text-align:center;font-size:13px;color:#98a2b3}
.footer-bottom .beian{margin-top:4px}

@keyframes fadeUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}
.reveal{opacity:0;transform:translateY(24px);transition:.7s ease}
.reveal.in{opacity:1;transform:translateY(0)}

/* ===== 响应式 ===== */
@media(max-width:960px){
  .hero-grid,.contact-grid,.about-grid{grid-template-columns:1fr}
  .grid-3,.ind-grid{grid-template-columns:repeat(2,1fr)}
  .grid-2{grid-template-columns:1fr}
  .timeline{grid-template-columns:repeat(3,1fr);gap:28px}
  .timeline:before{display:none}
  .flow{grid-template-columns:repeat(2,1fr)}
  .ai-row{grid-template-columns:repeat(2,1fr)}
  .area-grid{grid-template-columns:repeat(4,1fr)}
  .stat-row{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero{padding:130px 0 70px}
  .hero h1{font-size:32px}
  .section{padding:60px 0}
  .sec-head h2{font-size:27px}
  .nav-tel{display:none}
  .menu-toggle{display:block;margin-left:auto}
  .nav-links{position:fixed;top:68px;left:0;right:0;background:#fff;flex-direction:column;padding:16px 24px 24px;box-shadow:0 12px 24px rgba(0,0,0,.08);display:none;gap:4px;margin-left:0}
  .nav-links.open{display:flex}
  .nav-cta{display:none}
  .hero-visual{display:none}
  .geo-tool{padding:36px 24px}
  .form-card{padding:28px 22px}
}
@media(max-width:560px){
  .grid-3,.ind-grid,.timeline,.flow,.ai-row{grid-template-columns:1fr}
  .area-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .trustbar .container{gap:14px;font-size:13px}
}

/* ===== 产品详情页 ===== */
.crumb{font-size:14px;color:var(--gray);padding:96px 0 0}
.crumb a{color:var(--gray)}.crumb a:hover{color:var(--blue)}
.detail-hero{padding:28px 0 60px;border-bottom:1px solid var(--line)}
.detail-hero h1{font-size:40px;font-weight:800;margin-bottom:14px}
.detail-hero .vp{font-size:19px;color:var(--blue);font-weight:600;margin-bottom:16px}
.detail-hero .lead{font-size:16px;color:var(--gray);max-width:760px}
.tagline{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
.tagline span{background:var(--bg);border:1px solid var(--line);color:var(--gray);font-size:13px;padding:6px 16px;border-radius:99px}

.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feat{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:28px;transition:.3s}
.feat:hover{transform:translateY(-5px);box-shadow:0 12px 30px rgba(30,50,120,.13)}
.feat .fi{width:48px;height:48px;border-radius:12px;background:var(--blue-light);color:var(--blue);display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:16px}
.feat h3{font-size:17px;margin-bottom:8px}
.feat p{font-size:14px;color:var(--gray)}

/* 功能示意 UI 模拟 */
.mock{background:linear-gradient(160deg,#eef3ff,#f8faff);border-radius:20px;padding:26px;box-shadow:var(--shadow)}
.mock-window{background:#fff;border-radius:14px;overflow:hidden;box-shadow:0 8px 28px rgba(30,50,120,.1)}
.mock-bar{background:#f7f9fd;padding:10px 14px;display:flex;gap:6px;border-bottom:1px solid var(--line)}
.mock-bar i{width:9px;height:9px;border-radius:50%;background:#dfe4ee;display:block}
.mock-body{padding:20px}
.mock-row{display:flex;gap:12px;margin-bottom:14px;align-items:center}
.mock-thumb{width:54px;height:54px;border-radius:10px;background:linear-gradient(135deg,#dbe4ff,#eef3ff);flex-shrink:0}
.mock-line{height:9px;border-radius:5px;background:#eef1f7;margin-bottom:7px}
.mock-line.w60{width:60%}.mock-line.w40{width:40%}.mock-line.w80{width:80%}
.mock-price{color:var(--blue);font-weight:800;font-size:16px}
.mock-tabs{display:flex;gap:18px;font-size:13px;color:var(--gray);border-bottom:1px solid var(--line);padding-bottom:10px;margin-bottom:16px}
.mock-tabs b{color:var(--blue);position:relative}
.mock-tabs b:after{content:"";position:absolute;bottom:-11px;left:0;right:0;height:2px;background:var(--blue)}
.mock-stats{display:flex;gap:20px}
.mock-stats div{flex:1;background:#f7f9fd;border-radius:10px;padding:12px;text-align:center}
.mock-stats b{display:block;color:var(--blue);font-size:18px}
.mock-stats span{font-size:11px;color:var(--gray)}

/* 流程图 */
.steps-v{position:relative;padding-left:0}
.step-item{display:flex;gap:20px;margin-bottom:24px;align-items:flex-start}
.step-item .sn{width:42px;height:42px;flex-shrink:0;border-radius:50%;background:var(--blue);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center}
.step-item h4{font-size:17px;margin-bottom:4px}
.step-item p{font-size:14px;color:var(--gray)}

/* 对比表 */
.cmp{width:100%;border-collapse:collapse;background:#fff;border-radius:14px;overflow:hidden;box-shadow:var(--shadow)}
.cmp th{background:var(--blue);color:#fff;padding:14px 18px;font-size:15px;text-align:left}
.cmp td{padding:14px 18px;border-top:1px solid var(--line);font-size:14px;color:var(--gray)}
.cmp tr td:first-child{font-weight:600;color:var(--ink);width:22%}

/* 客户案例卡 */
.case-item{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:30px;height:100%}
.case-item .ctop{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.case-item .cavatar{width:46px;height:46px;border-radius:12px;background:linear-gradient(135deg,var(--blue),#5d7bff);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;font-size:17px}
.case-item h4{font-size:17px}
.case-item .cind{font-size:12px;color:var(--gray)}
.case-item .cbody{font-size:14px;color:var(--gray);margin-bottom:18px}
.case-item .cbody b{color:var(--ink)}
.case-item .cres{display:flex;gap:22px;padding-top:16px;border-top:1px dashed var(--line)}
.case-item .cres div b{display:block;font-size:21px;color:var(--blue)}
.case-item .cres div span{font-size:12px;color:var(--gray)}
.demo-note{font-size:12px;color:#98a2b3;text-align:center;margin-top:22px}

/* 平台图标带 */
.plat-band{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.plat{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:24px;text-align:center;transition:.3s}
.plat:hover{transform:translateY(-5px)}
.plat img{width:46px;height:46px;border-radius:12px;margin:0 auto 12px;display:block}
.plat b{display:block;font-size:15px;margin-bottom:4px}
.plat span{font-size:12px;color:var(--gray)}

@media(max-width:960px){
  .feat-grid,.plat-band{grid-template-columns:repeat(2,1fr)}
  .detail-hero h1{font-size:28px}
  .crumb{padding-top:84px}
}
@media(max-width:560px){.feat-grid,.plat-band{grid-template-columns:1fr}}

/* Logo 两行排版 */
.logo>span:last-child{display:flex;flex-direction:column;line-height:1.25;font-size:16px}
.logo small{font-size:11px;margin-top:2px}

/* ===== 经典案例（微盟官方客户） ===== */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.case-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;transition:.28s;position:relative;overflow:hidden}
.case-card::before{content:"";position:absolute;inset:0 auto 0 0;width:4px;background:var(--blue);opacity:0;transition:.28s}
.case-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(30,50,120,.12);border-color:#cfdaf5}
.case-card:hover::before{opacity:1}
.case-brand{font-size:19px;font-weight:800;color:var(--ink);letter-spacing:.2px}
.case-cat{font-size:12.5px;color:var(--blue);background:var(--blue-light);display:inline-block;padding:2px 10px;border-radius:20px;margin:8px 0 14px;font-weight:600}
.case-desc{font-size:14px;color:var(--gray);line-height:1.75;min-height:74px}
.case-nums{display:flex;gap:10px;margin-top:16px;padding-top:16px;border-top:1px dashed var(--line)}
.case-nums>div{flex:1;text-align:center}
.case-nums b{display:block;font-size:19px;color:var(--blue);font-weight:800;line-height:1.3}
.case-nums span{font-size:12px;color:var(--gray)}
.case-src{text-align:center;font-size:12.5px;color:#98a2b3;margin-top:28px}
@media(max-width:960px){.case-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.case-grid{grid-template-columns:1fr}.case-desc{min-height:auto}}

/* ===== 联系方式卡片（电话 + 微信二维码） ===== */
.contact-big-tel{
  display:flex;align-items:center;gap:16px;padding:20px 24px;border-radius:16px;
  background:var(--blue);color:#fff;text-decoration:none;margin-bottom:20px;
  box-shadow:0 10px 26px rgba(43,90,237,.28);transition:.25s;
}
.contact-big-tel:hover{transform:translateY(-3px);box-shadow:0 14px 32px rgba(43,90,237,.36)}
.contact-big-tel .cb-ico{font-size:26px;line-height:1}
.contact-big-tel .cb-txt{display:flex;flex-direction:column;gap:2px}
.contact-big-tel .cb-txt b{font-size:22px;letter-spacing:.5px;font-weight:700}
.contact-big-tel .cb-txt small{font-size:13px;opacity:.85}
.contact-qr-box{
  background:#fff;border:1.5px solid var(--line,#e8eefc);border-radius:16px;
  padding:22px;text-align:center;margin-bottom:20px;
}
.contact-qr-box img{width:180px;height:180px;object-fit:contain;border-radius:10px;background:#fff}
.contact-qr-box .qr-tip{margin-top:12px;font-size:15px;font-weight:600;color:var(--ink,#1a2233)}
.contact-qr-box .qr-note{margin-top:4px;font-size:13px;color:var(--gray,#7a869a)}
.contact-promise{list-style:none;padding:0;margin:0}
.contact-promise li{padding:8px 0;font-size:14px;color:var(--gray,#7a869a);border-bottom:1px dashed #eef2fa}
.contact-promise li:last-child{border-bottom:none}
@media(max-width:640px){
  .contact-qr-box img{width:150px;height:150px}
  .contact-big-tel .cb-txt b{font-size:19px}
}

/* ===== 全站微信弹窗（点击「加微信」直接弹出二维码） ===== */
.wx-modal{display:none;position:fixed;inset:0;background:rgba(16,24,48,.55);z-index:9999;
  align-items:center;justify-content:center;padding:20px;backdrop-filter:blur(3px)}
.wx-modal.show{display:flex}
.wx-box{background:#fff;border-radius:20px;max-width:360px;width:100%;padding:32px 26px;
  text-align:center;position:relative;box-shadow:0 24px 60px rgba(16,24,48,.3);
  animation:wxPop .22s ease}
@keyframes wxPop{from{transform:scale(.92);opacity:0}to{transform:scale(1);opacity:1}}
.wx-box h3{font-size:20px;margin-bottom:8px;color:var(--ink)}
.wx-tip{font-size:14px;color:var(--gray);margin-bottom:16px}
.wx-tip b{color:var(--blue)}
.wx-qr{width:210px;height:210px;object-fit:contain;border-radius:12px;
  border:1.5px solid var(--line,#e8eefc);margin-bottom:8px;background:#fff}
.wx-note{font-size:13px;color:var(--gray);margin-bottom:16px}
.wx-tel{display:block;width:100%;box-sizing:border-box}
.wx-small{font-size:12px;color:#9aa7c7;margin-top:10px}
.wx-close{position:absolute;top:10px;right:14px;background:none;border:none;
  font-size:26px;line-height:1;color:#9aa7c7;cursor:pointer;padding:4px}
.wx-close:hover{color:var(--ink)}