/*
Theme Name: Changxin XLT
Theme URI: https://www.xinglongta.com
Author: 济宁长欣信息科技
Author URI: https://www.xinglongta.com
Description: 济宁长欣信息科技定制主题 - 面向济宁十二县市区企业网络服务，SEO 优先，全响应式。
Version: 1.4.1
License: Proprietary
Text Domain: changxin
*/

:root{
  --ink:#0a1626;
  --deep:#050f20;
  --deep-2:#071c38;
  --primary:#1668ff;
  --primary-d:#0b47b8;
  --cyan:#22d3ee;
  --cyan-d:#0891b2;
  --violet:#7c5cff;
  --accent:#ff7a18;
  --accent-d:#e8620a;
  --muted:#5b6b82;
  --line:#e3eaf6;
  --line-2:#d2e0f6;
  --bg:#f4f7fd;
  --card:#ffffff;
  --radius:16px;
  --radius-s:10px;
  --shadow:0 10px 30px rgba(8,32,72,.07);
  --shadow-h:0 22px 52px rgba(8,32,72,.16);
  --grad-brand:linear-gradient(120deg,var(--primary),var(--cyan));
  --grad-deep:linear-gradient(158deg,#050f20 0%,#0a2551 46%,#113a86 100%);
  --wrap:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);line-height:1.75;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  font-size:16px;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0 0 .6em;line-height:1.3;font-weight:700;letter-spacing:-.01em}
h1{font-size:clamp(26px,4vw,44px)}
h2{font-size:clamp(22px,3vw,32px)}
h3{font-size:clamp(18px,2.2vw,22px)}
p{margin:0 0 1em}
ul{margin:0 0 1em;padding-left:1.2em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
svg{width:20px;height:20px;flex:none}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 26px;border-radius:999px;font-weight:600;font-size:15px;border:1px solid transparent;transition:.25s;white-space:nowrap}
.btn-accent{background:linear-gradient(135deg,var(--accent),#ff9a44);color:#fff;box-shadow:0 10px 24px rgba(255,122,24,.32)}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(255,122,24,.4)}
.btn-primary{background:linear-gradient(135deg,var(--primary),#3b7dff);color:#fff;box-shadow:0 10px 24px rgba(21,87,224,.28)}
.btn-primary:hover{transform:translateY(-2px)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.35)}
.btn-ghost:hover{background:rgba(255,255,255,.2)}
.btn-line{border-color:var(--line);background:#fff;color:var(--primary)}
.btn-line:hover{border-color:var(--primary);background:#f2f7ff}

/* ---------- topbar / header ---------- */
.topbar{background:var(--deep);color:rgba(255,255,255,.8);font-size:13px}
.topbar-in{display:flex;justify-content:space-between;align-items:center;height:38px;gap:16px}
.topbar a{color:#fff;font-weight:600}
.tb-right{display:flex;gap:18px}
.site-head{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.92);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
.head-in{display:flex;align-items:center;justify-content:space-between;height:74px;gap:20px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:13px;background:linear-gradient(135deg,var(--deep),var(--primary));color:#fff;font-family:"STXingkai","华文行楷","STKaiti","华文楷体","KaiTi","楷体","Microsoft YaHei",sans-serif;font-size:30px;font-weight:400;letter-spacing:0;text-align:center;line-height:1;padding:0;text-shadow:0 1px 2px rgba(0,0,0,.18)}
.brand-text b{display:block;font-size:17px;letter-spacing:-.02em}
.brand-text i{display:block;font-style:normal;font-size:12px;color:var(--muted)}
.main-nav{display:flex;align-items:center;gap:4px;font-size:15px;font-weight:500}
.main-nav>a,.nav-drop>a{display:flex;align-items:center;gap:5px;padding:10px 14px;border-radius:10px;transition:.2s;position:relative}
.main-nav>a:hover,.nav-drop>a:hover{color:var(--primary);background:#f0f5ff}
.nav-cta{background:linear-gradient(135deg,var(--primary),#3b7dff)!important;color:#fff!important;padding:11px 20px!important;box-shadow:0 8px 20px rgba(21,87,224,.28)}
.nav-cta:hover{transform:translateY(-1px)}
.caret{width:0;height:0;border-left:4px solid transparent;border-right:4px solid transparent;border-top:5px solid currentColor;opacity:.6}
.nav-drop{position:relative}
.drop-panel{position:absolute;top:calc(100% + 10px);left:0;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-h);padding:10px;display:grid;grid-template-columns:1fr 1fr;gap:2px;min-width:400px;opacity:0;visibility:hidden;transform:translateY(8px);transition:.22s}
.drop-wide{min-width:520px;grid-template-columns:1fr 1fr 1fr}
.nav-drop:hover .drop-panel{opacity:1;visibility:visible;transform:translateY(0)}
.drop-panel a{display:flex;align-items:center;gap:8px;padding:9px 12px;border-radius:9px;font-size:14px;color:var(--ink)}
.drop-panel a:hover{background:#f2f7ff;color:var(--primary)}
.drop-panel em{display:inline-flex;color:var(--primary)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;padding:8px;cursor:pointer}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--ink);border-radius:2px;transition:.25s}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:linear-gradient(160deg,#071a37 0%,#0b2a5b 45%,#123a7d 100%);color:#fff;padding:clamp(48px,7vw,92px) 0 clamp(60px,8vw,100px)}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(ellipse at 70% 20%,#000 10%,transparent 72%)}
.hero::after{content:"";position:absolute;width:620px;height:620px;right:-160px;top:-220px;border-radius:50%;background:radial-gradient(circle,rgba(21,87,224,.55),transparent 65%);filter:blur(10px)}
.hero-in{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);font-size:13px;margin-bottom:20px}
.hero h1{color:#fff;margin-bottom:18px}
.hero h1 span{background:linear-gradient(120deg,#7cb0ff,#c9e0ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:17px;color:rgba(255,255,255,.82);max-width:560px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:26px 0 22px}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px}
.hero-tags span{padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.16);font-size:13px;color:rgba(255,255,255,.85)}
.hero-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:20px;padding:26px;backdrop-filter:blur(8px)}
.hero-card h3{color:#fff;font-size:18px;margin-bottom:16px}
.hero-list{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.hero-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:rgba(255,255,255,.88)}
.hero-list svg{color:#6fd08c;margin-top:2px}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:22px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14)}
.hero-stats b{display:block;font-size:24px;color:#fff}
.hero-stats i{font-style:normal;font-size:12.5px;color:rgba(255,255,255,.7)}

/* ---------- sections ---------- */
.sec{padding:clamp(44px,6vw,76px) 0}
.sec-head{text-align:center;max-width:760px;margin:0 auto 34px}
.sec-head .kicker{display:inline-block;padding:5px 14px;border-radius:999px;background:#eaf1ff;color:var(--primary);font-size:13px;font-weight:600;margin-bottom:12px}
.sec-head p{color:var(--muted);margin:0}
.sec-alt{background:#fff}

/* ---------- grids & cards ---------- */
.grid{display:grid;gap:20px}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}
.g-2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.25s;position:relative;overflow:hidden}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-h);border-color:#d5e2f7}
.card .ic{display:inline-flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,#eaf1ff,#dfeaff);color:var(--primary);margin-bottom:16px}
.card .ic svg{width:26px;height:26px}
.card h3{margin-bottom:8px}
.card p{color:var(--muted);font-size:14.5px;margin-bottom:14px}
.card .more{color:var(--primary);font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:6px}
.card .more:hover{gap:10px}
.card .price{font-size:13px;color:var(--accent-d);font-weight:700;background:#fff5ec;padding:3px 10px;border-radius:999px;display:inline-block;margin-bottom:10px}

/* service page */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.feat{display:flex;gap:10px;align-items:flex-start;padding:16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-s);font-size:14.5px}
.feat svg{color:var(--primary);margin-top:3px}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:s}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;position:relative}
.step::before{counter-increment:s;content:counter(s,decimal-leading-zero);position:absolute;top:18px;right:20px;font-size:26px;font-weight:800;color:#e8eefb}
.step h3{font-size:17px;margin-bottom:6px}
.step p{color:var(--muted);font-size:14px;margin:0}

/* region */
.region-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.region-item{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:15px 16px;transition:.22s;font-weight:600;font-size:15px}
.region-item:hover{border-color:var(--primary);color:var(--primary);box-shadow:var(--shadow);transform:translateY(-2px)}
.region-item svg{color:var(--primary)}
.region-item i{font-style:normal;display:block;font-size:12px;color:var(--muted);font-weight:400}

/* article / content */
.page-head{background:linear-gradient(150deg,#071a37,#0b2a5b 60%,#134089);color:#fff;padding:clamp(34px,5vw,58px) 0}
.page-head h1{color:#fff;margin-bottom:10px}
.page-head .lead{color:rgba(255,255,255,.8);max-width:820px;margin:0}
.crumb{font-size:13px;color:rgba(255,255,255,.65);margin-bottom:12px}
.crumb a{color:rgba(255,255,255,.85)}
.crumb a:hover{color:#fff}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:34px;align-items:start}
.entry{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:clamp(22px,3vw,40px)}
.entry h2{margin-top:1.6em;padding-left:14px;border-left:4px solid var(--primary)}
.entry h2:first-child{margin-top:0}
.entry h3{margin-top:1.3em;font-size:19px}
.entry p{color:#26364d}
.entry ul li,.entry ol li{margin-bottom:.5em;color:#26364d}
.entry table{width:100%;border-collapse:collapse;margin:1.2em 0;font-size:14.5px}
.entry th,.entry td{border:1px solid var(--line);padding:11px 14px;text-align:left}
.entry th{background:#f4f8ff;font-weight:700}
.entry blockquote{margin:1.2em 0;padding:14px 20px;background:#f4f8ff;border-left:4px solid var(--primary);border-radius:0 10px 10px 0;color:#33445c}
.side .box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;margin-bottom:20px}
.side .box h3{font-size:17px;margin-bottom:14px}
.side .box ul{list-style:none;padding:0;margin:0}
.side .box li{border-bottom:1px dashed var(--line);padding:9px 0;font-size:14.5px}
.side .box li:last-child{border:0}
.side .box a:hover{color:var(--primary)}
.side .cta-box{background:linear-gradient(160deg,#0b2a5b,#1557e0);color:#fff;border:0}
.side .cta-box h3{color:#fff}
.side .cta-box p{color:rgba(255,255,255,.8);font-size:14px}
.side .cta-box .btn{width:100%;justify-content:center;margin-top:6px}

/* faq */
.faq{display:grid;gap:10px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.faq-q{display:flex;justify-content:space-between;gap:14px;align-items:center;padding:17px 20px;font-weight:600;cursor:pointer;font-size:15.5px}
.faq-q em{font-style:normal;color:var(--primary);font-size:20px;transition:.25s;flex:none}
.faq-item.open .faq-q em{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;color:var(--muted);font-size:14.5px}
.faq-a div{padding:0 20px 18px}
.faq-item.open .faq-a{max-height:420px}

/* form */
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:clamp(22px,3vw,34px);box-shadow:var(--shadow)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:7px}
.field input,.field select,.field textarea{width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:var(--radius-s);font-size:15px;font-family:inherit;background:#fbfdff;transition:.2s}
.field input:focus,.field select:focus,.field textarea:focus{outline:0;border-color:var(--primary);background:#fff;box-shadow:0 0 0 4px rgba(21,87,224,.1)}
.field textarea{min-height:110px;resize:vertical}
.form-note{font-size:13px;color:var(--muted)}
.msg{padding:13px 16px;border-radius:10px;margin-bottom:16px;font-size:14.5px}
.msg-ok{background:#e9f9f0;color:#12784a;border:1px solid #bde9d0}
.msg-err{background:#fdecec;color:#b32626;border:1px solid #f6c8c8}

/* posts */
.post-list{display:grid;gap:18px}
.post-item{display:grid;grid-template-columns:200px 1fr;gap:20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px;transition:.22s}
.post-item:hover{box-shadow:var(--shadow-h);transform:translateY(-2px)}
.post-thumb{background:linear-gradient(135deg,#0b2a5b,#1557e0);border-radius:12px;min-height:130px;display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.5);font-size:13px}
.post-item h3{font-size:18px;margin-bottom:6px}
.post-item p{color:var(--muted);font-size:14px;margin:0}
.post-meta{font-size:12.5px;color:var(--muted);margin-bottom:8px}

/* stats band */
.band{background:linear-gradient(135deg,#0a2450,#14488f);color:#fff;padding:44px 0}
.band-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.band-grid b{display:block;font-size:clamp(26px,3.4vw,38px);background:linear-gradient(120deg,#fff,#9fc4ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.band-grid span{font-size:14px;color:rgba(255,255,255,.78)}

/* footer */
.site-foot{background:#071a37;color:rgba(255,255,255,.72);padding-top:0;font-size:14px}
.foot-cta{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;background:linear-gradient(135deg,#0f3f8f,#1557e0);border-radius:var(--radius);padding:30px 34px;color:#fff;margin-top:24px}
.foot-cta h3{color:#fff;margin-bottom:6px}
.foot-cta p{color:rgba(255,255,255,.82);margin:0}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding:10px 20px 40px}
.foot-brand p{color:rgba(255,255,255,.6);font-size:13.5px}
.foot-logo{display:flex;align-items:center;gap:10px;font-weight:700;color:#fff;font-size:16px;margin-bottom:14px}
.foot-contact{list-style:none;padding:0;margin:0;font-size:13.5px;color:rgba(255,255,255,.7)}
.foot-contact li{margin-bottom:6px}
.foot-col h4{color:#fff;font-size:15px;margin-bottom:14px}
.foot-col a{display:block;font-size:13.5px;padding:5px 0;color:rgba(255,255,255,.66)}
.foot-col a:hover{color:#8fb8ff}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5)}
.foot-kw{color:rgba(255,255,255,.38)}

/* float bar */
.float-bar{position:fixed;left:16px;right:auto;bottom:24px;z-index:70;display:grid;gap:10px}
.fb-item{display:flex;flex-direction:column;align-items:center;justify-content:center;width:58px;height:58px;border-radius:14px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);color:var(--primary);cursor:pointer;transition:.2s;padding:0}
.fb-item:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}
.fb-item i{font-style:normal;font-size:10px;margin-top:2px;color:inherit}
.fb-item svg{width:18px;height:18px}

/* breadcrumb light */
.entry .article-meta{font-size:13px;color:var(--muted);margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.tag-inline{display:inline-block;background:#eaf1ff;color:var(--primary);font-weight:600;border-radius:999px;padding:3px 12px;margin-right:8px;font-size:12.5px}

/* ---------- 栏目：行业导航 ---------- */
.ind-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.ind-grid-3{grid-template-columns:repeat(3,1fr)}
.ind-item{display:flex;flex-direction:column;gap:6px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 18px 16px;transition:.22s}
.ind-item:hover{border-color:var(--primary);box-shadow:var(--shadow-h);transform:translateY(-3px)}
.ind-item b{font-size:16.5px;color:var(--ink)}
.ind-item span{font-size:13px;color:var(--muted);line-height:1.6;min-height:42px}
.ind-item i{font-style:normal;font-size:12px;color:#8a97ab;border-top:1px dashed var(--line);padding-top:9px;margin-top:2px}
.ind-item.on{border-color:var(--primary);background:#f6faff}

/* ---------- 栏目：痛点 / 做法 ---------- */
.pain-list{display:grid;gap:14px;margin:1.4em 0 2em}
.pain-item{display:flex;gap:16px;background:#fbfdff;border:1px solid var(--line);border-left:3px solid #ff9a44;border-radius:0 12px 12px 0;padding:18px 20px}
.pain-no{flex:none;font-size:19px;font-weight:800;color:#ffb066;line-height:1.3;letter-spacing:-.03em}
.pain-item h3{font-size:16.5px;margin:0 0 6px;color:var(--ink)}
.pain-item p{margin:0;font-size:14.5px;color:var(--muted)}
.act-list{display:grid;gap:14px;margin:1.4em 0 2em}
.act-item{display:flex;gap:14px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 20px}
.act-item em{flex:none;display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,#eaf1ff,#dfeaff);color:var(--primary)}
.act-item em svg{width:18px;height:18px}
.act-item h3{font-size:16.5px;margin:0 0 6px;color:var(--ink)}
.act-item p{margin:0;font-size:14.5px;color:var(--muted)}

/* ---------- 栏目：内链区块 ---------- */
.link-box{background:#f4f8ff;border:1px solid #dbe7fb;border-radius:14px;padding:22px;margin:2em 0 0}
.link-box h3{font-size:15.5px;margin:0 0 12px;color:var(--ink)}
.chips{display:flex;flex-wrap:wrap;gap:9px}
.chip-link{display:inline-block;background:#fff;border:1px solid #d5e3fa;border-radius:999px;padding:7px 15px;font-size:13.5px;color:var(--primary);font-weight:500;transition:.2s}
.chip-link:hover{background:var(--primary);color:#fff;border-color:var(--primary)}

/* ---------- 栏目：首页双栏推荐 ---------- */
.ch-dual{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.ch-col{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;display:flex;flex-direction:column}
.ch-head h3{font-size:21px;margin-bottom:8px}
.ch-head h3 a:hover{color:var(--primary)}
.ch-head p{color:var(--muted);font-size:14.5px;margin-bottom:18px}
.ch-list{display:grid;gap:2px;flex:1;margin-bottom:20px}
.ch-list a{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line);font-size:14.5px}
.ch-list a:hover{color:var(--primary)}
.ch-list a span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ch-list a i{font-style:normal;flex:none;font-size:12px;color:var(--primary);background:#eaf1ff;border-radius:999px;padding:2px 10px}
.ch-empty{color:var(--muted);font-size:14px}
.ch-col .btn{align-self:flex-start}

/* ---------- 栏目：页脚通道 ---------- */
.foot-channel{display:grid;grid-template-columns:1fr 1fr;gap:28px;padding:0 20px 34px;border-top:1px solid rgba(255,255,255,.1);padding-top:28px}
.fc-col h4{color:#fff;font-size:15px;margin-bottom:12px}
.fc-col h4 a{color:#fff}
.fc-col h4 a:hover{color:#8fb8ff}
.fc-links{display:flex;flex-wrap:wrap;gap:8px}
.fc-links a{font-size:12.5px;color:rgba(255,255,255,.6);border:1px solid rgba(255,255,255,.14);border-radius:999px;padding:5px 13px;transition:.2s}
.fc-links a:hover{color:#fff;border-color:rgba(255,255,255,.4);background:rgba(255,255,255,.06)}

@media(max-width:1080px){
  .hero-in{grid-template-columns:1fr}
  .g-4,.region-grid{grid-template-columns:repeat(3,1fr)}
  .svc-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .layout{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .ind-grid{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:1080px){
  .main-nav{position:fixed;inset:74px 0 0 auto;width:min(86vw,340px);background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:18px;overflow-y:auto;transform:translateX(105%);transition:.28s;box-shadow:-10px 0 40px rgba(0,0,0,.12)}
  .main-nav.open{transform:translateX(0)}
  .main-nav>a,.nav-drop>a{padding:14px 12px;border-bottom:1px solid var(--line);justify-content:space-between}
  .nav-drop{position:static}
  .drop-panel,.drop-wide{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;min-width:0;grid-template-columns:1fr 1fr;padding:8px 0 8px 12px;background:#fafcff}
  .nav-cta{margin-top:14px;justify-content:center!important}
  .nav-toggle{display:flex}
  .topbar-in{justify-content:center}
  .tb-right{display:none}
  .tb-left{font-size:12px}
  .g-3,.g-4,.g-2,.region-grid,.svc-grid{grid-template-columns:1fr 1fr}
  .band-grid{grid-template-columns:1fr 1fr}
  .post-item{grid-template-columns:1fr}
  .post-thumb{min-height:100px}
  .foot-cta{transform:none;margin-top:24px}
  .foot-grid{grid-template-columns:1fr;padding-bottom:28px}
  .float-bar{left:10px;right:auto;bottom:14px}
  .fb-item{width:50px;height:50px}
  .ind-grid,.ind-grid-3{grid-template-columns:1fr 1fr}
  .ch-dual{grid-template-columns:1fr}
  .foot-channel{grid-template-columns:1fr;gap:22px}
}
/* ---------- 客户故事内容样式 ---------- */
.entry .story-summary{background:#f4f8ff;border-left:4px solid var(--accent);border-radius:0 12px 12px 0;padding:16px 20px;margin:0 0 1.6em}
.entry .story-summary p{margin:0;color:#33445c}
.entry .story-note{font-size:13px;color:var(--muted);background:#fbfdff;border:1px dashed var(--line);border-radius:10px;padding:12px 16px;margin-top:2em}
@media(max-width:560px){.entry .story-summary{padding:14px 16px}}

@media(max-width:560px){
  .g-3,.g-4,.g-2,.region-grid,.svc-grid,.steps,.form-row,.band-grid{grid-template-columns:1fr}
  .ind-grid,.ind-grid-3{grid-template-columns:1fr}
  .ch-col{padding:20px}
  .ch-list a span{white-space:normal}
  .pain-item,.act-item{padding:15px 16px;gap:12px}
  .head-in{height:64px}
  .brand-text i{display:none}
  .brand-mark{width:44px;height:44px;font-size:26px}
  .main-nav{inset:64px 0 0 auto}
  .foot-bottom{flex-direction:column}
}

/* ==========================================================
   v1.2 科技感升级（Tech refresh）
   ========================================================== */

::selection{background:rgba(34,211,238,.3);color:var(--ink)}
body{background:var(--bg)}
@media(min-width:861px){
  body{background:
    radial-gradient(1100px 540px at 88% -10%,rgba(34,211,238,.10),transparent 62%),
    radial-gradient(880px 460px at 2% 6%,rgba(124,92,255,.085),transparent 58%),
    var(--bg);background-attachment:fixed}
}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#e9effa}
::-webkit-scrollbar-thumb{background:linear-gradient(180deg,var(--primary),var(--cyan));border-radius:99px;border:2px solid #e9effa}

/* ---------- 按钮 / 徽标 ---------- */
.btn{border-radius:12px;font-size:15px;padding:14px 26px;letter-spacing:.01em}
.btn-primary{background:linear-gradient(135deg,#1459f0,#1f9bff);box-shadow:0 10px 26px rgba(20,89,240,.30)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(20,89,240,.38)}
.btn-accent{background:linear-gradient(135deg,var(--accent),#ffa250);box-shadow:0 10px 26px rgba(255,122,24,.34)}
.btn-ghost{background:rgba(255,255,255,.08);border-color:rgba(140,215,255,.42);color:#fff;backdrop-filter:blur(6px)}
.btn-ghost:hover{background:rgba(34,211,238,.16);border-color:rgba(140,215,255,.75)}
.btn-line{border-color:var(--line-2);background:#fff}
.btn-line:hover{border-color:var(--primary);background:#f1f7ff;box-shadow:0 8px 22px rgba(22,104,255,.14)}

/* ---------- 区块标题 ---------- */
.sec-head .kicker{position:relative;background:linear-gradient(120deg,rgba(22,104,255,.10),rgba(34,211,238,.18));color:var(--primary-d);border:1px solid rgba(22,104,255,.18);font-weight:600;letter-spacing:.05em;padding:6px 16px}
.sec-head .kicker::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--cyan);margin-right:8px;vertical-align:1px;box-shadow:0 0 0 3px rgba(34,211,238,.18)}
.sec-head h2{letter-spacing:-.02em}
.sec-head h2::after{content:"";display:block;width:54px;height:3px;border-radius:99px;background:var(--grad-brand);margin:16px auto 0}
.sec-head p{font-size:16px}

/* ---------- 卡片 ---------- */
.card,.step,.ind-item,.region-item,.ch-col,.side .box,.faq-item,.form-card{transition:transform .28s cubic-bezier(.2,.7,.3,1),box-shadow .28s,border-color .28s}
.card{border-radius:18px;overflow:hidden}
.card::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad-brand);transform:scaleX(0);transform-origin:left;transition:transform .38s cubic-bezier(.2,.7,.3,1)}
.card:hover::before{transform:scaleX(1)}
.card:hover{border-color:rgba(22,104,255,.35);box-shadow:0 0 0 1px rgba(34,211,238,.35),var(--shadow-h)}
.card .ic{background:linear-gradient(140deg,#e9f1ff,#dcf6ff);color:var(--primary-d);box-shadow:inset 0 0 0 1px rgba(22,104,255,.1);border-radius:15px}
.card h3{letter-spacing:-.015em}
.step{border-radius:18px}
.step:hover{border-color:rgba(22,104,255,.3);box-shadow:var(--shadow)}
.step::before{font-variant-numeric:tabular-nums}
.ind-item:hover{border-color:rgba(22,104,255,.4);box-shadow:0 0 0 1px rgba(34,211,238,.3),var(--shadow-h)}
.region-item:hover{border-color:rgba(22,104,255,.45);box-shadow:0 0 0 1px rgba(34,211,238,.3),var(--shadow)}
.feat{border-radius:12px;transition:.25s}
.feat:hover{border-color:rgba(22,104,255,.35);background:#f8fbff}

/* ---------- Hero v2 ---------- */
.hero{background:var(--grad-deep);padding:clamp(52px,7vw,96px) 0 clamp(46px,6vw,80px);isolation:isolate}
.hero::before{background-image:linear-gradient(rgba(120,190,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(120,190,255,.07) 1px,transparent 1px);background-size:46px 46px;mask-image:radial-gradient(ellipse 90% 70% at 50% 10%,#000 15%,transparent 78%)}
.hero::after{width:760px;height:760px;right:-220px;top:-300px;background:radial-gradient(circle,rgba(34,211,238,.32),transparent 62%);filter:blur(28px)}
.hero-orb{position:absolute;border-radius:50%;pointer-events:none;z-index:0}
.hero-orb.o1{width:440px;height:440px;left:-140px;bottom:-180px;background:radial-gradient(circle,rgba(124,92,255,.34),transparent 65%);filter:blur(34px)}
.hero-orb.o2{width:300px;height:300px;right:22%;top:-90px;background:radial-gradient(circle,rgba(34,211,238,.26),transparent 66%);filter:blur(30px)}
.hero-scan{position:absolute;left:0;right:0;top:0;height:1px;background:linear-gradient(90deg,transparent,rgba(34,211,238,.75),transparent);opacity:.7;z-index:1}
@media(prefers-reduced-motion:no-preference){
  .hero-orb{animation:orbFloat 13s ease-in-out infinite}
  .hero-orb.o2{animation-duration:17s;animation-direction:reverse}
  .hero-scan{animation:scanDown 9s linear infinite}
}
@keyframes orbFloat{0%,100%{transform:translate3d(0,0,0)}50%{transform:translate3d(0,-30px,0)}}
@keyframes scanDown{0%{transform:translateY(0);opacity:0}8%{opacity:.75}92%{opacity:.75}100%{transform:translateY(560px);opacity:0}}

.hero-in{grid-template-columns:1.05fr .95fr;gap:46px;align-items:center}
.hero-badge{background:rgba(34,211,238,.1);border:1px solid rgba(34,211,238,.34);color:#cdf3ff;font-weight:500;letter-spacing:.02em}
.hero-badge em{font-style:normal;display:inline-block;width:7px;height:7px;border-radius:50%;background:#38e8b0;box-shadow:0 0 0 3px rgba(56,232,176,.2)}
.hero h1{font-size:clamp(28px,4.1vw,48px);letter-spacing:-.03em;line-height:1.22}
.hero h1 span{background:linear-gradient(110deg,#8ec5ff 0%,#5ee7f5 55%,#b7a6ff 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:16.5px;color:rgba(214,231,255,.82);line-height:1.85}
.hero-tags span{background:rgba(255,255,255,.06);border-color:rgba(150,205,255,.22);font-size:12.5px;letter-spacing:.02em}
.hero-tags span:hover{border-color:rgba(34,211,238,.6);color:#fff}
.hero-points{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:22px;max-width:560px}
.hero-points span{display:flex;align-items:center;gap:9px;font-size:13.5px;color:rgba(206,227,255,.85)}
.hero-points svg{width:16px;height:16px;color:#4fe0c0}

/* Hero 内 AI 问答演示卡 */
.ai-mock{position:relative;background:rgba(6,20,44,.72);border:1px solid rgba(34,211,238,.24);border-radius:20px;overflow:hidden;backdrop-filter:blur(16px);box-shadow:0 34px 80px rgba(1,8,24,.6)}
.ai-mock::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;background:linear-gradient(160deg,rgba(34,211,238,.14),transparent 42%)}
.ai-mock-head{display:flex;align-items:center;gap:10px;padding:13px 18px;border-bottom:1px solid rgba(255,255,255,.08);position:relative;z-index:2}
.ai-dots{display:flex;gap:5px}
.ai-dots i{display:block;width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.2)}
.ai-dots i:first-child{background:rgba(255,138,120,.65)}
.ai-dots i:nth-child(2){background:rgba(255,208,120,.6)}
.ai-dots i:nth-child(3){background:rgba(120,230,180,.6)}
.ai-mock-name{margin-left:auto;font-size:12px;color:rgba(190,215,245,.6);letter-spacing:.06em}
.ai-mock-body{padding:20px 18px 22px;position:relative;z-index:2;display:grid;gap:14px}
.ai-q,.ai-a{display:flex;gap:11px;align-items:flex-start;font-size:14px;line-height:1.72}
.ai-tag{flex:none;display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:9px;font-size:11px;font-weight:600;letter-spacing:-.02em}
.ai-q .ai-tag{background:rgba(255,255,255,.1);color:rgba(220,235,255,.8)}
.ai-a .ai-tag{background:linear-gradient(135deg,#1668ff,#22d3ee);color:#fff}
.ai-q p,.ai-a p{margin:0}
.ai-q p{color:rgba(255,255,255,.94);font-weight:500}
.ai-a p{color:rgba(200,222,250,.86)}
.ai-a mark{background:rgba(34,211,238,.16);color:#7ff0ff;font-weight:600;padding:1px 6px;border-radius:6px;box-decoration-break:clone;-webkit-box-decoration-break:clone}
.ai-src{margin-top:2px;display:flex;flex-wrap:wrap;gap:7px}
.ai-src span{font-size:11.5px;color:rgba(180,210,245,.62);border:1px dashed rgba(150,200,255,.24);border-radius:7px;padding:4px 9px}
.ai-mock-foot{padding:0 18px 18px;position:relative;z-index:2}
.ai-mock-foot .btn{width:100%;justify-content:center;font-size:14px;padding:12px 18px}
@media(prefers-reduced-motion:no-preference){
  .ai-q,.ai-a,.ai-src{opacity:0;animation:aiIn .55s cubic-bezier(.2,.7,.3,1) forwards}
  .ai-q{animation-delay:.15s}.ai-a{animation-delay:.45s}.ai-src{animation-delay:.75s}
  .ai-mock-foot{opacity:0;animation:aiIn .55s ease .95s forwards}
}
@keyframes aiIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}

/* Hero 底部：AI 引擎覆盖条 */
.ai-strip{position:relative;z-index:2;margin-top:clamp(34px,5vw,54px);padding-top:24px;border-top:1px solid rgba(255,255,255,.1)}
.ai-strip-t{text-align:center;font-size:12.5px;letter-spacing:.1em;color:rgba(170,205,245,.6);margin-bottom:16px}
.ai-strip-t b{color:#7fe9ff;font-weight:600}
.ai-chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.ai-chip{display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:999px;background:rgba(255,255,255,.055);border:1px solid rgba(150,205,255,.16);font-size:13.5px;color:rgba(225,240,255,.9);transition:.24s}
.ai-chip:hover{background:rgba(34,211,238,.12);border-color:rgba(34,211,238,.5);transform:translateY(-2px)}
.ai-chip em{font-style:normal;width:6px;height:6px;border-radius:50%;background:#38e8b0;box-shadow:0 0 0 3px rgba(56,232,176,.16);flex:none}
.ai-chip i{font-style:normal;font-size:11.5px;color:rgba(170,205,245,.5)}

/* ---------- 数据条 ---------- */
.band{position:relative;overflow:hidden;background:linear-gradient(118deg,#050f20 0%,#0a2a5e 52%,#134494 100%);padding:52px 0}
.band::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(120,190,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(120,190,255,.06) 1px,transparent 1px);background-size:38px 38px;mask-image:linear-gradient(90deg,transparent,#000 25%,#000 75%,transparent)}
.band-grid{position:relative;z-index:2}
.band-grid b{background:linear-gradient(120deg,#ffffff,#7fe9ff 118%);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.band-grid span{font-size:14px;color:rgba(200,225,252,.8)}
.band-grid>div{position:relative}
.band-grid>div+div::before{content:"";position:absolute;left:-10px;top:12%;height:76%;width:1px;background:linear-gradient(180deg,transparent,rgba(150,205,255,.22),transparent)}

/* ---------- GEO 专区 ---------- */
.geo{position:relative;overflow:hidden;background:linear-gradient(165deg,#050f20 0%,#081f45 48%,#0e3577 100%);color:#fff;padding:clamp(52px,7vw,88px) 0}
.geo::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(120,190,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(120,190,255,.06) 1px,transparent 1px);background-size:52px 52px;mask-image:radial-gradient(ellipse 80% 62% at 50% 0%,#000 8%,transparent 76%)}
.geo::after{content:"";position:absolute;width:640px;height:640px;left:50%;bottom:-460px;transform:translateX(-50%);border-radius:50%;background:radial-gradient(circle,rgba(34,211,238,.26),transparent 64%);filter:blur(30px)}
.geo .wrap{position:relative;z-index:2}
.geo-head{text-align:center;max-width:820px;margin:0 auto 44px}
.geo-head .kicker{display:inline-flex;align-items:center;gap:8px;padding:7px 17px;border-radius:999px;background:rgba(34,211,238,.12);border:1px solid rgba(34,211,238,.36);color:#9defff;font-size:13px;font-weight:600;letter-spacing:.06em;margin-bottom:16px}
.geo-head .kicker svg{width:16px;height:16px}
.geo-head h2{color:#fff;font-size:clamp(23px,3.2vw,36px);letter-spacing:-.025em;margin-bottom:16px}
.geo-head h2 em{font-style:normal;background:linear-gradient(110deg,#7fe9ff,#b7a6ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.geo-head p{color:rgba(198,220,248,.82);font-size:16px;margin:0}

.geo-cmp{display:grid;grid-template-columns:1fr auto 1fr;gap:20px;align-items:stretch;margin-bottom:52px}
.geo-cmp-card{background:rgba(255,255,255,.045);border:1px solid rgba(150,205,255,.16);border-radius:18px;padding:26px 26px 24px;display:flex;flex-direction:column;gap:12px}
.geo-cmp-card.new{border-color:rgba(34,211,238,.4);background:linear-gradient(160deg,rgba(34,211,238,.10),rgba(124,92,255,.07));box-shadow:0 0 0 1px rgba(34,211,238,.14),0 26px 60px rgba(2,12,32,.42)}
.geo-cmp-card h3{color:#fff;font-size:17px;margin:0;display:flex;align-items:center;gap:9px}
.geo-cmp-card h3 svg{width:19px;height:19px;color:#7fe9ff}
.geo-cmp-card .tagline{font-size:12px;letter-spacing:.08em;color:rgba(170,205,245,.55);margin:0}
.geo-cmp-card p{color:rgba(198,220,248,.8);font-size:14.5px;margin:0}
.geo-cmp-card ul{list-style:none;padding:0;margin:0;display:grid;gap:9px}
.geo-cmp-card li{font-size:14px;color:rgba(205,226,252,.84);display:flex;gap:9px;align-items:flex-start}
.geo-cmp-card li svg{width:16px;height:16px;margin-top:3px;flex:none;color:#4fe0c0}
.geo-cmp-card.old li svg{color:rgba(160,190,225,.5)}
.geo-cmp-arrow{align-self:center;display:flex;align-items:center;justify-content:center;width:46px;height:46px;border-radius:50%;background:linear-gradient(135deg,#1668ff,#22d3ee);color:#fff;box-shadow:0 12px 30px rgba(34,211,238,.35)}
.geo-cmp-arrow svg{width:22px;height:22px}

.geo-sub{text-align:center;font-size:13px;letter-spacing:.1em;color:rgba(170,205,245,.6);margin:0 0 26px}
.geo-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.geo-step{position:relative;background:rgba(255,255,255,.045);border:1px solid rgba(150,205,255,.14);border-radius:18px;padding:26px 24px;overflow:hidden;transition:.3s}
.geo-step::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:linear-gradient(180deg,#22d3ee,#1668ff);opacity:0;transition:.3s}
.geo-step:hover{background:rgba(34,211,238,.07);border-color:rgba(34,211,238,.36);transform:translateY(-4px)}
.geo-step:hover::before{opacity:1}
.geo-step-no{font-size:13px;font-weight:600;letter-spacing:.1em;color:#7fe9ff;font-variant-numeric:tabular-nums;display:block;margin-bottom:12px}
.geo-step h3{color:#fff;font-size:17px;margin:0 0 10px;letter-spacing:-.015em}
.geo-step p{color:rgba(196,219,247,.78);font-size:14px;line-height:1.78;margin:0}
.geo-cta{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:44px}

/* ---------- AI 收录逻辑 ---------- */
.sig-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.sig{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;position:relative;transition:.26s}
.sig:hover{border-color:rgba(22,104,255,.35);box-shadow:0 0 0 1px rgba(34,211,238,.28),var(--shadow-h);transform:translateY(-3px)}
.sig em{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:12px;background:linear-gradient(140deg,#e9f1ff,#dcf6ff);color:var(--primary-d);margin-bottom:14px}
.sig em svg{width:21px;height:21px}
.sig b{display:block;font-size:15.5px;margin-bottom:7px;color:var(--ink)}
.sig p{margin:0;font-size:13.8px;color:var(--muted);line-height:1.75}

.eng-list{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:26px}
.eng-item{display:flex;flex-direction:column;gap:5px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 17px;transition:.24s}
.eng-item:hover{border-color:rgba(22,104,255,.4);box-shadow:var(--shadow);transform:translateY(-2px)}
.eng-item b{font-size:15.5px;display:flex;align-items:center;gap:8px}
.eng-item b em{font-style:normal;width:7px;height:7px;border-radius:50%;background:#25c98a;box-shadow:0 0 0 3px rgba(37,201,138,.16);flex:none}
.eng-item span{font-size:12.5px;color:var(--primary-d);font-weight:600}
.eng-item i{font-style:normal;font-size:12.5px;color:var(--muted);line-height:1.65}

/* ---------- 内容页 / 页头 ---------- */
.page-head{position:relative;overflow:hidden;background:var(--grad-deep);padding:clamp(36px,5vw,62px) 0}
.page-head::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(120,190,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(120,190,255,.07) 1px,transparent 1px);background-size:44px 44px;mask-image:radial-gradient(ellipse 80% 90% at 20% 0%,#000 12%,transparent 78%)}
.page-head .wrap{position:relative;z-index:2}
.page-head h1{letter-spacing:-.025em}
.page-head .lead{color:rgba(210,229,252,.84)}
.crumb{color:rgba(180,208,245,.68)}
.entry{border-radius:18px;box-shadow:0 1px 2px rgba(8,32,72,.04)}
.entry h2{border-left:0;padding-left:16px;position:relative}
.entry h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:99px;background:var(--grad-brand)}
.entry blockquote{border-left:0;position:relative;padding-left:22px;background:#f6faff}
.entry blockquote::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;border-radius:99px;background:var(--grad-brand)}
.entry th{background:#f2f7ff}
.side .cta-box{background:linear-gradient(155deg,#071c38,#123a7d 55%,#1668ff);position:relative;overflow:hidden}
.side .cta-box::before{content:"";position:absolute;width:220px;height:220px;right:-90px;top:-90px;border-radius:50%;background:radial-gradient(circle,rgba(34,211,238,.4),transparent 65%)}
.side .cta-box>*{position:relative;z-index:2}
.chip-link:hover{box-shadow:0 8px 20px rgba(22,104,255,.22)}
.link-box{background:linear-gradient(150deg,#f4f8ff,#eef6ff);border-color:#d8e7fb}

/* ---------- 表单 ---------- */
.form-card{box-shadow:0 18px 46px rgba(8,32,72,.10);border-radius:18px}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(34,211,238,.16)}

/* ---------- 页脚 ---------- */
.site-foot{background:linear-gradient(180deg,#050f20,#03101f);position:relative;overflow:hidden}
.site-foot::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(120,190,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(120,190,255,.045) 1px,transparent 1px);background-size:46px 46px;mask-image:radial-gradient(ellipse 70% 60% at 50% 0%,#000 6%,transparent 74%)}
.site-foot .wrap{position:relative;z-index:2}
.foot-cta{background:linear-gradient(125deg,#0d3a86,#1668ff 52%,#1f9bff);box-shadow:0 26px 60px rgba(2,12,32,.5);border-radius:20px}
.foot-logo .brand-mark{background:linear-gradient(135deg,#1668ff,#22d3ee)}
.foot-geo{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:16px}
.foot-geo span{font-size:12px;color:rgba(170,205,245,.6);border:1px solid rgba(150,205,255,.18);border-radius:999px;padding:5px 12px}
.foot-geo span b{color:#7fe9ff;font-weight:600}

/* ---------- 悬浮条 ---------- */
.fb-item{border-radius:15px;border-color:var(--line-2)}
.fb-item:hover{background:linear-gradient(135deg,#1668ff,#22d3ee);border-color:transparent;box-shadow:0 14px 32px rgba(22,104,255,.34)}

/* ---------- 新增标签 ---------- */
.tag-new{display:inline-block;font-size:11px;font-weight:600;letter-spacing:.06em;color:#fff;background:linear-gradient(120deg,#1668ff,#22d3ee);border-radius:6px;padding:2px 7px;vertical-align:2px;margin-left:7px}

/* ---------- 响应式补充 ---------- */
@media(max-width:1080px){
  .geo-steps,.sig-grid{grid-template-columns:repeat(2,1fr)}
  .eng-list{grid-template-columns:repeat(3,1fr)}
  .hero-in{grid-template-columns:1fr;gap:34px}
}
@media(max-width:860px){
  .geo-cmp{grid-template-columns:1fr;gap:14px}
  .geo-cmp-arrow{transform:rotate(90deg);margin:0 auto}
  .geo-steps,.sig-grid,.eng-list{grid-template-columns:1fr 1fr}
  .band-grid>div+div::before{display:none}
  .hero-points{grid-template-columns:1fr}
}
@media(max-width:560px){
  .geo-steps,.sig-grid,.eng-list,.hero-points{grid-template-columns:1fr}
  .ai-mock-body{padding:16px 14px 18px}
  .geo-cmp-card{padding:20px}
  .geo-step{padding:20px}
}
@media(prefers-reduced-motion:reduce){
  .hero-orb,.hero-scan{animation:none!important}
}

/* ================= v1.2.2 服务栏目 GEO 强化 ================= */

/* 服务项目下拉：重点项（GEO 排第一并高亮） */
.drop-panel a.is-hot{background:linear-gradient(120deg,rgba(22,104,255,.09),rgba(34,211,238,.12));box-shadow:inset 0 0 0 1px rgba(22,104,255,.22);font-weight:600;color:var(--primary-d)}
.drop-panel a.is-hot:hover{background:linear-gradient(120deg,rgba(22,104,255,.17),rgba(34,211,238,.2));color:var(--primary-d)}
.drop-panel a.is-hot em{color:var(--primary)}

/* 首页服务卡：重点项 */
.card.svc-hot{border-color:rgba(22,104,255,.4);background:linear-gradient(180deg,#f7fbff,#fff 46%)}
.card.svc-hot::before{transform:scaleX(1)}
.card.svc-hot .ic{background:linear-gradient(140deg,#1668ff,#22d3ee);color:#fff;box-shadow:0 12px 26px rgba(22,104,255,.28)}
.card.svc-hot .price{background:#eef6ff;color:var(--primary-d)}
.card .card-badge{position:absolute;top:0;right:0;font-size:11.5px;font-weight:700;letter-spacing:.04em;color:#fff;background:linear-gradient(120deg,#1668ff,#22d3ee);padding:5px 13px;border-radius:0 17px 0 14px}

/* 服务栏目页顶部：GEO 重点推荐区 */
.geo-feature{position:relative;margin:0 0 32px;padding:30px 32px;border-radius:20px;background:linear-gradient(140deg,#f2f8ff,#edfbff 55%,#f7f3ff);box-shadow:0 18px 44px rgba(8,32,72,.1);overflow:hidden}
.geo-feature::before{content:"";position:absolute;inset:0;border-radius:20px;padding:1px;background:linear-gradient(120deg,var(--primary),var(--cyan),var(--violet));-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);mask-composite:exclude;pointer-events:none}
.geo-feature::after{content:"";position:absolute;right:-70px;top:-80px;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,rgba(34,211,238,.36),transparent 68%);pointer-events:none}
.geo-feature .gf-flag{position:relative;display:inline-block;font-size:12px;font-weight:700;letter-spacing:.05em;color:#fff;background:linear-gradient(120deg,var(--primary),var(--cyan));border-radius:999px;padding:5px 14px;margin-bottom:14px}
.geo-feature h3{position:relative;font-size:clamp(19px,2.3vw,25px);margin-bottom:12px}
.geo-feature p{position:relative;color:#3c4b60;font-size:15px}
.geo-feature .gf-chips{position:relative;display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 18px}
.geo-feature .gf-chips span{font-size:12.5px;color:var(--primary-d);background:#fff;border:1px solid rgba(22,104,255,.24);border-radius:999px;padding:4px 12px}
.geo-feature .gf-list{position:relative;margin:0 0 22px;padding:0;list-style:none}
.geo-feature .gf-list li{position:relative;padding-left:24px;margin-bottom:7px;font-size:14.5px;color:#2c3a4e}
.geo-feature .gf-list li::before{content:"";position:absolute;left:4px;top:9px;width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--cyan))}
.geo-feature .gf-actions{position:relative;display:flex;flex-wrap:wrap;gap:12px}
.geo-feature .gf-actions .btn-line{background:#fff}

@media(max-width:560px){
  .geo-feature{padding:22px 20px}
  .geo-feature h3{font-size:19px}
  .geo-feature .gf-actions .btn{width:100%;justify-content:center}
  .card .card-badge{border-radius:0 17px 0 12px}
}

/* ---------- 在线客服侧边栏 ---------- */
.svc-wrap{position:fixed;right:14px;top:50%;transform:translateY(-50%);z-index:90;display:flex;align-items:center;flex-direction:row-reverse}
.svc-panel{width:172px;background:linear-gradient(180deg,#0b1f4d,#123a8f);border-radius:16px;padding:10px 10px 12px;box-shadow:0 18px 46px rgba(8,26,68,.4);display:flex;flex-direction:column;gap:6px;transition:transform .32s cubic-bezier(.4,0,.2,1),opacity .28s}
.svc-wrap.is-hidden .svc-panel{transform:translateX(210px);opacity:0;pointer-events:none}
.svc-head{display:flex;align-items:center;gap:7px;color:#eaf2ff;font-size:13.5px;font-weight:700;padding:3px 4px 8px;letter-spacing:.04em}
.svc-dot{width:8px;height:8px;border-radius:50%;background:#2ee6a8;box-shadow:0 0 0 3px rgba(46,230,168,.22);animation:svc-pulse 2s infinite}
@keyframes svc-pulse{0%,100%{box-shadow:0 0 0 3px rgba(46,230,168,.22)}50%{box-shadow:0 0 0 6px rgba(46,230,168,.08)}}
.svc-hide{margin-left:auto;width:20px;height:20px;border:0;border-radius:50%;background:rgba(255,255,255,.14);color:#cfe0ff;font-size:14px;line-height:1;cursor:pointer;transition:.2s;padding:0}
.svc-hide:hover{background:rgba(255,255,255,.3);color:#fff}
.svc-cell{position:relative;display:flex;align-items:center;gap:9px;background:#fff;border-radius:12px;padding:8px 9px;text-decoration:none;color:var(--ink);cursor:pointer;transition:.18s;border:1px solid transparent}
.svc-cell:hover{border-color:#22d3ee;box-shadow:0 8px 22px rgba(9,32,86,.28);transform:translateX(-3px)}
.svc-ic{flex:none;width:30px;height:30px;border-radius:9px;display:flex;align-items:center;justify-content:center;color:#fff}
.svc-ic svg{width:16px;height:16px}
.ic-tel{background:linear-gradient(135deg,#1668ff,#22d3ee)}
.ic-wechat{background:linear-gradient(135deg,#22c55e,#16a34a)}
.ic-qq{background:linear-gradient(135deg,#ff7a18,#f43f5e)}
.ic-qq i{font-style:normal;font-size:12px;font-weight:800;letter-spacing:-.02em}
.ic-mail{background:linear-gradient(135deg,#8b5cf6,#6366f1)}
.ic-msg{background:linear-gradient(135deg,#0ea5e9,#2563eb)}
.svc-txt{display:flex;flex-direction:column;min-width:0;line-height:1.3}
.svc-txt b{font-size:12.5px;font-weight:700;color:var(--ink)}
.svc-txt i{font-style:normal;font-size:10.5px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
/* 悬浮弹层 */
.svc-cell .pop{position:absolute;right:calc(100% + 12px);top:50%;transform:translateY(-50%) translateX(8px);width:196px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 20px 48px rgba(9,32,86,.22);padding:14px;opacity:0;visibility:hidden;transition:.22s;text-align:center}
.svc-cell:hover .pop,.svc-cell.pop-open .pop{opacity:1;visibility:visible;transform:translateY(-50%) translateX(0)}
.pop-arrow{position:absolute;left:100%;top:50%;transform:translateY(-50%);border:7px solid transparent;border-left-color:#fff;display:block}
.svc-cell .pop img{display:block;width:150px;height:150px;margin:0 auto 8px;border-radius:10px}
.svc-cell .pop p{margin:0;font-size:12px;color:var(--muted);line-height:1.7}
.svc-cell .pop p b{display:block;color:var(--ink);font-size:13px;margin-bottom:2px}
.svc-cell .pop p span{display:block;font-size:11px;color:var(--muted)}
.pop-btn,.pop-copy{display:inline-block;margin-top:8px;margin-right:5px;font-size:12px;font-weight:600;border-radius:999px;padding:5px 13px;cursor:pointer;text-decoration:none}
.pop-btn{background:linear-gradient(135deg,#ff7a18,#f43f5e);color:#fff;border:0}
.pop-copy{background:#fff;color:var(--primary);border:1px solid var(--primary)}
.pop-copy:hover{background:var(--primary);color:#fff}
/* 收起后的触发标签 */
.svc-tab{position:absolute;right:-6px;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;align-items:center;gap:3px;width:46px;padding:12px 0;border:0;border-radius:12px 4px 4px 12px;background:linear-gradient(180deg,#1668ff,#22d3ee);color:#fff;cursor:pointer;box-shadow:-6px 10px 26px rgba(9,32,86,.35);opacity:0;visibility:hidden;transition:.28s .1s}
.svc-tab svg{width:19px;height:19px}
.svc-tab i{font-style:normal;font-size:11px;letter-spacing:.14em;writing-mode:vertical-rl}
.svc-wrap.is-hidden .svc-tab{opacity:1;visibility:visible;right:-2px}
.svc-tab:hover{filter:brightness(1.12)}
/* 与底部悬浮条错开 */
@media(max-width:860px){
  .svc-wrap{right:6px;top:auto;bottom:190px;transform:none}
  .svc-panel{width:56px;padding:8px 7px;gap:5px}
  .svc-head{justify-content:center;padding:0 0 6px;font-size:0}
  .svc-head::before{content:'\1F4DE';font-size:13px}
  .svc-dot{display:none}
  .svc-txt{display:none}
  .svc-ic{width:34px;height:34px;border-radius:10px}
  .svc-ic svg{width:17px;height:17px}
  .svc-cell{justify-content:center;padding:7px 0}
  .svc-cell .pop{right:calc(100% + 10px);width:190px}
  .svc-tab{width:40px;padding:10px 0}
}
@media(prefers-reduced-motion:reduce){.svc-panel,.svc-tab,.svc-cell{transition:none!important;animation:none!important}}

/* ---------- 服务下拉：服务项增多后的多列布局 ---------- */
.drop-panel.drop-svc{min-width:600px;grid-template-columns:1fr 1fr 1fr;max-height:76vh;overflow-y:auto;gap:2px 6px}
.drop-panel.drop-svc a{padding:8px 10px;font-size:13.5px;gap:7px}
.drop-panel.drop-svc a em svg{width:17px;height:17px}
.drop-panel.drop-svc .tag-new{font-size:10px;padding:1px 6px}
@media(max-width:980px){.drop-panel.drop-svc{grid-template-columns:1fr 1fr;min-width:0}}

/* ================= v1.4.3 移动端体验修复 ================= */

/* 横向溢出保险：抽屉菜单 translateX 不再产生虚高滚动宽度 */
html,body{overflow-x:hidden}

/* ---------- 移动端底部导航栏 ---------- */
.m-tabbar{display:none}
@media(max-width:860px){
  .m-tabbar{
    position:fixed;left:0;right:0;bottom:0;z-index:96;display:flex;align-items:stretch;
    background:rgba(255,255,255,.96);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
    border-top:1px solid var(--line);box-shadow:0 -10px 34px rgba(8,32,72,.16);
    padding:7px 8px calc(7px + env(safe-area-inset-bottom));
  }
  .m-tabbar a{
    flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
    font-size:10.5px;color:#52627c;text-decoration:none;padding:3px 0;border-radius:10px;transition:.15s;
  }
  .m-tabbar a em{font-style:normal;display:flex}
  .m-tabbar a em svg{width:21px;height:21px}
  .m-tabbar a:active{transform:scale(.94)}
  .m-tabbar a.on{color:var(--primary);font-weight:700}
  .m-tabbar .mt-cta{
    flex:1.15;margin-left:6px;color:#fff;font-weight:700;
    background:linear-gradient(135deg,#1668ff,#22d3ee);
    border-radius:13px;padding:7px 0;box-shadow:0 8px 22px rgba(22,104,255,.32);
  }
  .m-tabbar .mt-cta em svg{width:19px;height:19px}
  .m-tabbar .mt-cta.on{color:#fff}

  /* 内容区避开底栏 */
  body{padding-bottom:calc(62px + env(safe-area-inset-bottom))}

  /* 右侧悬浮条只留"返回顶部"，挂到底栏上方 */
  .float-bar{bottom:calc(70px + env(safe-area-inset-bottom));left:auto;right:10px}
  .fb-item:not(#backTop){display:none}

  /* 客服侧边栏挂到底栏上方 */
  .svc-wrap{bottom:calc(72px + env(safe-area-inset-bottom))}

  /* 统计条手机端 2 列，避免单列过长 */
  .band-grid{grid-template-columns:1fr 1fr;gap:22px 14px}
}

/* ================= v1.4.4 手机端首页密度优化（单列 → 多列） ================= */
@media(max-width:560px){
  /* --- 区块节奏收紧 --- */
  .sec{padding:34px 0}
  .sec-head{margin-bottom:22px}
  .sec-head h2{font-size:20px;line-height:1.35}
  .sec-head p{font-size:13.5px;line-height:1.7}
  .band{padding:36px 0}
  .hero{padding:36px 0 32px}
  .hero-in{gap:26px}

  /* --- 统一 2 列栅格 --- */
  .grid{gap:11px}
  .g-2,.g-3,.g-4{grid-template-columns:1fr 1fr}
  .hero-points{grid-template-columns:1fr 1fr;gap:8px 10px}
  .hero-points span{font-size:12.5px;gap:7px}
  .hero-points svg{width:15px;height:15px}

  /* --- 卡片紧凑化（服务卡 / 行业卡通用） --- */
  .card{display:flex;flex-direction:column;padding:14px 13px;border-radius:14px}
  .card>.ic{align-self:flex-start;width:38px;height:38px;border-radius:11px;margin-bottom:10px}
  .card>.ic svg{width:20px;height:20px}
  .card>.price{align-self:flex-start;font-size:11.5px;padding:2px 8px;margin-bottom:8px}
  .card h3{font-size:15px;line-height:1.35;margin-bottom:6px}
  .card p{font-size:12.5px;line-height:1.6;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
  .card .more{margin-top:auto;font-size:12.5px;gap:4px}
  .card .more svg{width:14px;height:14px}
  .card .card-badge{font-size:10.5px;padding:4px 11px}
  /* 卡片整体可点，扩大手机点击热区 */
  .card .more::after{content:"";position:absolute;inset:0;z-index:2}

  /* --- 服务地区：3 列 --- */
  .region-grid{grid-template-columns:repeat(3,1fr);gap:9px}
  .region-item{flex-direction:column;gap:5px;text-align:center;padding:11px 4px;font-size:13px;line-height:1.25}
  .region-item svg{width:17px;height:17px}
  .region-item i{display:none}

  /* --- 服务流程 4 步：2 列 --- */
  .steps{grid-template-columns:1fr 1fr;gap:11px}
  .step{padding:14px 12px}
  .step::before{font-size:18px;top:10px;right:12px}
  .step h3{font-size:14.5px}
  .step p{font-size:12.5px;line-height:1.6}

  /* --- AI 信号卡（6 项）：2 列 --- */
  .sig-grid{grid-template-columns:1fr 1fr;gap:10px}
  .sig{padding:14px 13px;border-radius:14px}
  .sig em{width:34px;height:34px;border-radius:10px;margin-bottom:10px}
  .sig em svg{width:18px;height:18px}
  .sig b{font-size:14px;margin-bottom:5px}
  .sig p{font-size:12.5px;line-height:1.65}

  /* --- AI 引擎清单（8 项）：3 列 --- */
  .eng-list{grid-template-columns:repeat(3,1fr);gap:8px;margin-top:20px}
  .eng-item{padding:11px 10px;gap:3px;border-radius:12px}
  .eng-item b{font-size:13.5px;gap:6px}
  .eng-item b em{width:6px;height:6px}
  .eng-item span,.eng-item i{font-size:11px;line-height:1.5}

  /* --- 页脚链接改 2 列，纵向长度砍半 --- */
  .foot-col{display:grid;grid-template-columns:1fr 1fr;gap:0 10px;align-content:start}
  .foot-col h4{grid-column:1/-1;margin-bottom:8px}
  .foot-col a{padding:4px 0;font-size:12.5px}
  .foot-brand p{font-size:13px;line-height:1.7}
  .foot-contact{font-size:13px}
  .foot-kw{display:none}
}

/* v1.4.5 GEO 步骤卡手机 2 列 */
@media(max-width:560px){
  .geo-steps{grid-template-columns:1fr 1fr;gap:9px}
  .geo-step{padding:13px 12px;border-radius:13px}
  .geo-step-no{font-size:11.5px;margin-bottom:7px}
  .geo-step h3{font-size:14px;margin-bottom:6px}
  .geo-step p{font-size:12px;line-height:1.65}
  /* 服务卡描述 2 行封顶，进一步收紧服务区 */
  .card p{-webkit-line-clamp:2}
}

/* ================= v1.4.6 手机端两处交互修复 ================= */
@media(max-width:860px){
  /* ① 抽屉菜单"白板"修复
     .site-head 的 backdrop-filter 会为后代创建定位包含块，
     使 .main-nav 的 position:fixed 相对 64px 高的 header 定位 → 高度塌陷成 36px。
     移动端去掉模糊，包含块恢复为视口；高度改用 dvh 兜底。 */
  .site-head{-webkit-backdrop-filter:none;backdrop-filter:none;background:#fff}
  .main-nav{
    position:fixed;top:64px;right:0;left:auto;bottom:auto;
    height:calc(100vh - 64px);
    height:calc(100dvh - 64px);
    padding:16px 16px calc(88px + env(safe-area-inset-bottom));
    overflow-y:auto;-webkit-overflow-scrolling:touch;
  }

  /* ② 返回顶部按钮被客服侧边栏（z-index:90）遮挡，移到左下角做成圆形悬浮钮 */
  .float-bar{right:auto;left:12px;bottom:calc(80px + env(safe-area-inset-bottom))}
  .float-bar #backTop{
    width:46px;height:46px;padding:0;border-radius:50%;border:0;color:#fff;
    background:linear-gradient(135deg,#1668ff,#22d3ee);
    box-shadow:0 10px 26px rgba(22,104,255,.36);
  }
  .float-bar #backTop:hover{background:linear-gradient(135deg,#1668ff,#22d3ee)}
  .float-bar #backTop i{display:none}
  .float-bar #backTop svg{width:20px;height:20px;transform:rotate(-90deg)}
}

/* ================= v1.4.7 手机端抽屉菜单交互修复 ================= */
@media(max-width:860px){
  /* ① 汉堡图标提升层级：菜单展开时它被菜单内的 <a>（position:relative）压在下面，
        点击落在菜单链接上 → 表现为"点图标收不回菜单"。 */
  .nav-toggle{position:relative;z-index:120}

  /* ② 展开态三线变 ×，给出明确的"可关闭"反馈 */
  .nav-toggle span{transition:transform .28s,opacity .2s}
  .nav-toggle.is-active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle.is-active span:nth-child(2){opacity:0;transform:scaleX(.3)}
  .nav-toggle.is-active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

  /* ③ 菜单顶部跟随顶栏实际底部（JS 写入 --nav-top），不再硬编码 64px
        —— 之前 top:64px 小于顶栏底部(y≈103)，菜单把汉堡图标连同品牌条一起盖住 */
  .main-nav{
    top:var(--nav-top,64px);
    height:calc(100vh - var(--nav-top,64px));
    height:calc(100dvh - var(--nav-top,64px));
    max-height:calc(100dvh - var(--nav-top,64px));
  }
}

/* ④ 抽屉遮罩：点菜单外任意处即可关闭 */
body.nav-open::before{
  content:"";position:fixed;inset:0;z-index:79;background:rgba(6,20,44,.44);
  animation:navMaskIn .24s ease both;
}
@keyframes navMaskIn{from{opacity:0}to{opacity:1}}
@media(min-width:861px){body.nav-open::before{display:none}}

/* v1.4.8 菜单展开时隐藏右侧客服栏，避免浮在抽屉之上 */
body.nav-open .svc-wrap{opacity:0;pointer-events:none;transition:opacity .2s}