/* 云霓AI 站点样式 */
:root{--bg:#F6F8FC;--card:#fff;--ink:#0F172A;--sub:#334155;--muted:#64748B;--line:#E5EAF2;--brand:#2563EB;--cyan:#06B6D4;--amber:#D97706;--green:#059669;--red:#DC2626;--shadow:0 1px 2px rgba(15,23,42,.04),0 8px 24px rgba(15,23,42,.06);--radius:16px;color-scheme:light}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--ink);line-height:1.7;-webkit-font-smoothing:antialiased}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
a{color:var(--brand);text-decoration:none}
nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
nav .wrap{display:flex;align-items:center;justify-content:space-between;height:60px;gap:10px}
.logo{display:flex;align-items:center;gap:9px;font-weight:800;font-size:16px;color:var(--ink);white-space:nowrap}
.logo-mark{width:30px;height:30px;flex:0 0 auto;border-radius:9px;background:linear-gradient(135deg,var(--brand),var(--cyan));display:grid;place-items:center;color:#fff;font-size:14px;box-shadow:0 4px 12px rgba(37,99,235,.3)}
nav .links{display:flex;gap:2px;flex-wrap:wrap}
nav .links a{font-size:13.5px;color:var(--sub);padding:7px 12px;border-radius:9px;font-weight:600}
nav .links a:hover{background:#EEF3FB;color:var(--brand)}
.hero{padding:66px 0 50px;background:radial-gradient(900px 400px at 10% -10%,rgba(37,99,235,.13),transparent 60%),radial-gradient(700px 320px at 92% 2%,rgba(6,182,212,.12),transparent 58%)}
.hero .badge{display:inline-flex;align-items:center;gap:7px;background:#fff;border:1px solid var(--line);color:var(--brand);font-size:12.5px;font-weight:700;padding:6px 14px;border-radius:100px;margin-bottom:18px}
.hero .badge i{width:6px;height:6px;border-radius:50%;background:#22C55E;display:block}
.hero h1{font-size:clamp(26px,4.6vw,44px);line-height:1.2;font-weight:840;letter-spacing:-.8px;margin-bottom:16px}
.hero h1 em{font-style:normal;background:linear-gradient(120deg,var(--brand),var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{font-size:clamp(15px,1.4vw,16.5px);color:var(--sub);max-width:660px;margin-bottom:24px}
.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:6px}
.btn{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(135deg,var(--brand),var(--cyan));color:#fff;font-weight:750;font-size:15px;padding:12px 24px;border-radius:12px;box-shadow:0 8px 20px rgba(37,99,235,.25);border:none;cursor:pointer}
.btn.ghost{background:#fff;color:var(--brand);border:1.5px solid var(--line);box-shadow:none}
.btn.tel{background:#fff;color:var(--ink);border:1.5px solid var(--line);box-shadow:none}
.stats{display:flex;gap:34px;flex-wrap:wrap;margin-top:26px}
.stat b{display:block;font-size:26px;font-weight:840;letter-spacing:-.5px}
.stat span{font-size:12.5px;color:var(--muted);font-weight:600}
.sec-head{margin:52px 0 24px}
.sec-head h2{font-size:22px;font-weight:820;letter-spacing:-.4px;display:flex;align-items:center;gap:10px}
.sec-head h2::before{content:"";width:4px;height:20px;border-radius:3px;background:linear-gradient(180deg,var(--brand),var(--cyan))}
.sec-head p{font-size:13.5px;color:var(--muted);margin-top:6px;margin-left:14px}
.grid{display:grid;gap:20px;grid-template-columns:repeat(auto-fill,minmax(min(300px,100%),1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow);transition:transform .22s,box-shadow .22s}
.card:hover{transform:translateY(-4px);box-shadow:0 20px 44px rgba(15,23,42,.12)}
.card-top{height:104px;position:relative;display:grid;place-items:center;overflow:hidden}
.card-top .ic{font-size:40px;filter:drop-shadow(0 6px 10px rgba(0,0,0,.16));z-index:1}
.card-body{padding:17px 19px 19px;display:flex;flex-direction:column;flex:1}
.card-body h3{font-size:16.5px;font-weight:800;margin-bottom:6px}
.card-body .tl{font-size:13px;color:var(--muted);margin-bottom:13px;flex:1}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:12px;border-top:1px dashed var(--line)}
.price{display:flex;align-items:baseline;gap:2px;flex-wrap:wrap}
.price .n{font-size:22px;font-weight:860;letter-spacing:-.7px;color:var(--brand)}
.price .u{font-size:12px;color:var(--muted);font-weight:700}
.more{font-size:13px;font-weight:750;color:var(--brand);white-space:nowrap}
.groups-nav{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(min(190px,100%),1fr));margin-bottom:8px}
.group-chip{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;color:var(--ink);display:block;box-shadow:var(--shadow)}
.group-chip b{display:block;font-size:15px;margin-bottom:4px}
.group-chip span{font-size:12.5px;color:var(--muted)}
.group-chip:hover{border-color:#B9CCEA;transform:translateY(-2px)}
.cat-links{margin:14px 0 6px;font-size:13.5px;color:var(--muted)}
.cat-links a{font-weight:750;margin:0 4px}
.cat-nav{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0 4px}
.cat-chip{background:#fff;border:1px solid var(--line);border-radius:100px;padding:8px 18px;font-size:13.5px;font-weight:750;color:var(--sub);cursor:pointer;text-decoration:none;box-shadow:var(--shadow)}
.cat-chip.on{background:linear-gradient(135deg,var(--brand),var(--cyan));color:#fff;border-color:transparent}
.cat-hint{font-size:12px;color:var(--muted);margin:6px 0 0}
.card[data-cat]{transition:opacity .2s}
.promise{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(min(240px,100%),1fr))}
.promise .rule{background:#fff;border:1px solid var(--line);border-left:3.5px solid var(--green);border-radius:12px;padding:16px 18px;box-shadow:var(--shadow)}
.promise .rule b{display:block;font-size:15px;margin-bottom:5px}
.promise .rule span{font-size:13px;color:var(--muted)}
/* 产品详情页 */
.pd{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 28px;box-shadow:var(--shadow);margin-bottom:22px}
.pd h1{font-size:24px;font-weight:850;letter-spacing:-.4px;margin-bottom:6px}
.pd .tagline{font-size:15px;color:var(--muted);margin-bottom:18px}
.pd-box{border:1px solid var(--line);border-radius:14px;padding:16px 19px;margin:16px 0}
.pd-box h4{font-size:14px;font-weight:800;margin-bottom:9px;display:flex;align-items:center;gap:7px}
.pd-box h4::before{content:"";width:3px;height:13px;border-radius:2px;background:currentColor;opacity:.55}
.pd-box.pain h4{color:var(--red)}.pd-box.deliver h4{color:var(--green)}.pd-box.how h4{color:var(--brand)}.pd-box.scenes h4{color:var(--amber)}
.pd-box p,.pd-box li{font-size:14.5px;color:var(--sub)}
.pd-box ul{list-style:none;display:flex;flex-direction:column;gap:8px}
.pd-box li{display:flex;gap:9px;align-items:flex-start}
.pd-box li::before{content:"";flex:0 0 auto;width:6px;height:6px;border-radius:50%;background:#CBD5E1;margin-top:9px}
.pd-box.num li::before{content:counter(step);counter-increment:step;width:21px;height:21px;border-radius:7px;background:linear-gradient(135deg,var(--brand),var(--cyan));color:#fff;font-size:11.5px;font-weight:800;display:grid;place-items:center;margin-top:1px}
.pd-box.num{list-style:none;counter-reset:step}
.price-box{background:#F4F8FF;border:1px solid #DCE8FA;border-radius:14px;padding:16px 19px;margin:18px 0}
.price-box .n{font-size:30px;font-weight:880;letter-spacing:-1px;color:var(--brand)}
.price-box .u{font-size:14px;font-weight:750;color:var(--sub)}
.price-box .note{font-size:12.5px;color:var(--muted);margin-top:4px}
.fit{display:grid;gap:12px;grid-template-columns:1fr 1fr}
.fit .ok,.fit .no{border-radius:12px;padding:14px 16px;font-size:13.5px}
.fit .ok{background:#ECFDF5;border:1px solid #A7F3D0}.fit .ok b{color:var(--green)}
.fit .no{background:#FEF2F2;border:1px solid #FECACA}.fit .no b{color:var(--red)}
.faq{border-top:1px solid var(--line);padding:13px 0}
.faq summary{font-weight:700;font-size:14.5px;cursor:pointer;color:var(--ink)}
.faq p{font-size:13.5px;color:var(--sub);margin-top:8px}
.contact-card{background:linear-gradient(135deg,#2563EB,#06B6D4);color:#fff;border-radius:var(--radius);padding:26px 28px;text-align:center}
.contact-card h3{font-size:20px;margin-bottom:8px}
.contact-card p{font-size:14px;opacity:.94;margin-bottom:16px}
.contact-card .btn{background:#fff;color:var(--brand);box-shadow:none}
.contact-card .tel-big{font-size:26px;font-weight:850;margin-top:12px;letter-spacing:.5px}
footer{margin-top:60px;padding:32px 0 40px;border-top:1px solid var(--line);text-align:center}
footer p{font-size:12.5px;color:var(--muted);margin-bottom:4px}
footer b{color:var(--sub)}
.crumb{font-size:13px;color:var(--muted);margin-bottom:16px}
.crumb a{color:var(--brand)}
.prose{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 32px;box-shadow:var(--shadow)}
.prose h1{font-size:24px;font-weight:850;margin-bottom:16px}
.prose h2{font-size:18px;font-weight:800;margin:26px 0 10px}
.prose p,.prose li{font-size:14.5px;color:var(--sub)}
.prose ul,.prose ol{padding-left:22px;margin:10px 0}
.prose table{width:100%;border-collapse:collapse;margin:14px 0;font-size:13.5px}
.prose th,.prose td{border:1px solid var(--line);padding:9px 12px;text-align:left}
.prose th{background:#F1F5F9}
.warn{background:#FFFBEB;border:1px solid #FDE68A;border-radius:12px;padding:14px 17px;font-size:13.5px;color:#92400E;margin:14px 0}
.selector{margin:20px 0 4px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 22px;box-shadow:var(--shadow)}
.selector h3{font-size:16px;font-weight:800;margin-bottom:12px}
.selector .q{font-size:13.5px;color:var(--muted);margin:10px 0 6px}
.selector .opts{display:flex;gap:8px;flex-wrap:wrap}
.selector .opt{background:#F1F5F9;border:1px solid var(--line);border-radius:9px;padding:7px 13px;font-size:13px;font-weight:600;cursor:pointer;color:var(--sub)}
.selector .opt.on{background:var(--brand);color:#fff;border-color:var(--brand)}
.selector .res{margin-top:12px;font-size:13.5px;color:var(--sub);min-height:22px}
.selector .res a{font-weight:750}

.selector .static-rec{margin-top:16px;border-top:1px solid var(--line);padding-top:12px}
.static-rec .rec-title{font-size:13px;font-weight:750;color:var(--sub);margin-bottom:8px}
.static-rec table{width:100%;border-collapse:collapse;font-size:13px}
.static-rec th,.static-rec td{border:1px solid var(--line);padding:9px 11px;text-align:left;vertical-align:top}
.static-rec th{background:#F1F5F9;font-weight:750}
.static-rec td{color:var(--sub)}
.static-rec a{font-weight:750;white-space:nowrap}
@media(max-width:560px){.static-rec th,.static-rec td{padding:7px 8px;font-size:12px}.static-rec a{white-space:normal}}

@media(max-width:640px){.hero{padding:46px 0 34px}.stats{gap:22px}.stat b{font-size:21px}.pd{padding:20px 16px}.pd h1{font-size:20px}.fit{grid-template-columns:1fr}.prose{padding:20px 18px}}
@media(max-width:480px){.wrap{padding:0 16px}.logo{font-size:14.5px}.logo-mark{width:26px;height:26px;font-size:13px}nav .links a{padding:6px 8px;font-size:12px}.btn{width:100%;justify-content:center}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}html{scroll-behavior:auto}}

/* =====================================================================
   云霓AI 站点 2.0 —— 工业控制系统软件服务视觉层（在 1.x 样式之上叠加）
   纯静态、零依赖、对爬虫与 AI 引擎友好（内容不依赖脚本渲染）
   ===================================================================== */
:root{
  --ink:#0A1220;--sub:#334155;--muted:#64748B;--line:#E3E9F2;
  --navy:#08152E;--navy2:#0E2247;--steel:#4A5B75;
  --brand:#1D4ED8;--brand2:#2563EB;--cyan:#0891B2;--amber:#B45309;--green:#047857;--red:#B91C1C;
  --glow:0 0 0 1px rgba(37,99,235,.10),0 18px 40px rgba(8,21,46,.10);
  --radius:16px;--radius-lg:22px;
}
body{background:#F5F7FB}
[id]{scroll-margin-top:78px}

/* ---------- 顶部导航 2.0 ---------- */
nav.site{border-bottom:1px solid var(--line)}
nav.site .wrap{height:64px}
nav.site .logo-mark{width:32px;height:32px;border-radius:10px;font-size:14px;font-weight:900}
nav.site .logo small{display:block;font-size:10.5px;font-weight:700;color:var(--muted);letter-spacing:.4px;line-height:1.1;margin-top:1px}
nav.site .logo b{font-size:15.5px;font-weight:850;letter-spacing:-.2px;display:block;line-height:1.15}
nav.site .links a.on{color:var(--brand);background:#EEF3FB}
nav.site .links a.nav-cta{background:linear-gradient(135deg,var(--brand2),var(--cyan));color:#fff;box-shadow:0 6px 16px rgba(37,99,235,.24);font-weight:800}
nav.site .links a.nav-cta:hover{color:#fff;background:linear-gradient(135deg,var(--brand),var(--cyan))}

/* ---------- 首页工业主视觉 ---------- */
.ind-hero{position:relative;overflow:hidden;background:
  radial-gradient(1100px 520px at 12% -20%,rgba(37,99,235,.42),transparent 62%),
  radial-gradient(820px 420px at 96% 6%,rgba(8,145,178,.32),transparent 60%),
  linear-gradient(160deg,#08203F 0%,#0A1220 58%,#0B1B36 100%);
  color:#EAF1FB;padding:64px 0 58px}
.ind-hero::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(148,180,226,.10) 1px,transparent 1px),linear-gradient(90deg,rgba(148,180,226,.10) 1px,transparent 1px);
  background-size:46px 46px;mask-image:linear-gradient(180deg,rgba(0,0,0,.85),rgba(0,0,0,.12) 78%,transparent)}
.ind-hero .wrap{position:relative;z-index:1}
.ind-hero .kicker{display:inline-flex;align-items:center;gap:9px;background:rgba(255,255,255,.08);border:1px solid rgba(160,196,255,.28);color:#BFD8FF;font-size:12.5px;font-weight:800;padding:6px 14px;border-radius:100px;margin-bottom:20px;letter-spacing:.3px}
.ind-hero .kicker i{width:6px;height:6px;border-radius:50%;background:#34D399;display:block;box-shadow:0 0 0 3px rgba(52,211,153,.22)}
.ind-hero h1{font-size:clamp(27px,4.9vw,46px);line-height:1.18;font-weight:880;letter-spacing:-1px;margin-bottom:18px;color:#fff}
.ind-hero h1 em{font-style:normal;background:linear-gradient(100deg,#7DD3FC,#67E8F9 55%,#A5F3FC);-webkit-background-clip:text;background-clip:text;color:transparent}
.ind-hero .lede{font-size:clamp(14.5px,1.5vw,17px);color:#C3D4EC;max-width:720px;margin-bottom:26px}
.ind-hero .lede b{color:#fff}
.ind-hero .btn{box-shadow:0 10px 26px rgba(4,16,38,.45)}
.ind-hero .btn.ghost{background:rgba(255,255,255,.07);color:#DCE9FF;border:1.5px solid rgba(160,196,255,.34);box-shadow:none}
.ind-hero .btn.ghost:hover{background:rgba(255,255,255,.14)}
.hstats{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(min(180px,100%),1fr));margin-top:34px;max-width:920px}
.hstat{background:rgba(255,255,255,.055);border:1px solid rgba(160,196,255,.20);border-radius:14px;padding:15px 17px}
.hstat b{display:block;font-size:22px;font-weight:880;letter-spacing:-.5px;color:#fff}
.hstat span{font-size:12.5px;color:#A9BEDC;font-weight:650}

/* ---------- 通用区块增强 ---------- */
.band{padding:6px 0 8px}
.sec-head h2{font-size:clamp(19px,2.4vw,23px)}
.sec-head p a{font-weight:750}
.lead{font-size:15px;color:var(--sub);max-width:860px}
.lead b,.prose b{color:var(--ink)}
.dark-band{background:
  radial-gradient(900px 380px at 88% -10%,rgba(8,145,178,.30),transparent 60%),
  linear-gradient(150deg,#0A1730,#0B1B36 70%,#0A1220);color:#DCE7F7;margin-top:56px;padding:52px 0}
.dark-band h2{color:#fff}
.dark-band p{color:#B7C8E2}
.dark-band a{color:#8FD8F5}
.dark-band .sec-head h2::before{background:linear-gradient(180deg,#38BDF8,#22D3EE)}
.dark-band .sec-head p{color:#93A9C8}

/* ---------- 四大能力支柱 ---------- */
.pillars{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(min(250px,100%),1fr))}
.pillar{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 22px 20px;box-shadow:var(--shadow);overflow:hidden}
.pillar::before{content:"";position:absolute;left:0;top:0;height:3px;width:100%;background:linear-gradient(90deg,var(--brand2),var(--cyan))}
.pillar .pn{font-size:12px;font-weight:850;color:var(--brand);letter-spacing:1.4px}
.pillar h3{font-size:16.5px;font-weight:830;margin:8px 0 7px}
.pillar p{font-size:13.5px;color:var(--sub);margin-bottom:10px}
.pillar .pmeta{font-size:12.5px;color:var(--muted);border-top:1px dashed var(--line);padding-top:10px}
.pillar .pmeta b{color:var(--brand)}

/* ---------- 产品阶梯 ---------- */
.ladder{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(min(280px,100%),1fr))}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 22px 20px;box-shadow:var(--shadow);display:flex;flex-direction:column}
.step.hero-step{border-color:#BFD3F5;background:linear-gradient(180deg,#F7FAFF,#fff);box-shadow:var(--glow)}
.step .sn{display:inline-flex;align-items:center;gap:8px;font-size:11.5px;font-weight:850;color:var(--brand);background:#EAF1FE;border-radius:100px;padding:4px 12px;align-self:flex-start;margin-bottom:11px}
.step.hero-step .sn{background:linear-gradient(135deg,var(--brand2),var(--cyan));color:#fff}
.step h3{font-size:17px;font-weight:840;margin-bottom:7px}
.step .desc{font-size:13.5px;color:var(--sub);flex:1;margin-bottom:12px}
.step .kv{font-size:12.5px;color:var(--muted);border-top:1px dashed var(--line);padding-top:11px;display:flex;justify-content:space-between;gap:10px;align-items:baseline}
.step .kv .pp{font-size:15px;font-weight:850;color:var(--brand);white-space:nowrap}
.step .more{font-size:13px;font-weight:800;color:var(--brand);white-space:nowrap}
.tag-hot{display:inline-block;font-size:10.5px;font-weight:850;color:#fff;background:linear-gradient(135deg,#F59E0B,#B45309);border-radius:100px;padding:2px 9px;margin-left:7px;vertical-align:2px}

/* ---------- 价目表 ---------- */
.price-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow);overflow:hidden}
.price-wrap .ph{padding:20px 24px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;align-items:baseline;background:linear-gradient(180deg,#F8FAFF,#fff)}
.price-wrap .ph h3{font-size:17px;font-weight:840}
.price-wrap .ph span{font-size:12.5px;color:var(--muted)}
table.pt{width:100%;border-collapse:collapse;font-size:13.5px}
table.pt th{background:#F1F5FB;color:var(--sub);font-weight:800;text-align:left;padding:11px 14px;border-bottom:1px solid var(--line);white-space:nowrap;font-size:12.5px}
table.pt td{padding:12px 14px;border-bottom:1px solid #EEF2F8;color:var(--sub);vertical-align:top}
table.pt tr:last-child td{border-bottom:none}
table.pt td.item{color:var(--ink);font-weight:750;width:26%}
table.pt td.spec{font-size:13px;color:var(--muted)}
table.pt td.num{font-weight:850;color:var(--brand);white-space:nowrap;font-size:14px}
table.pt td.num small{display:block;font-weight:650;color:var(--muted);font-size:11.5px}
table.pt tr.hl td{background:#F5F9FF}
.pt-note{font-size:12.5px;color:var(--muted);padding:14px 24px 18px;border-top:1px solid var(--line);background:#FAFBFE}
.pt-scroll{overflow-x:auto}

/* ---------- 卡片网格（行业 / 服务 / 场景） ---------- */
.igrid{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(min(268px,100%),1fr))}
.icard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s;display:flex;flex-direction:column;color:var(--ink)}
.icard:hover{transform:translateY(-3px);box-shadow:0 18px 38px rgba(8,21,46,.12)}
.icard .ic{font-size:26px;margin-bottom:9px}
.icard h3{font-size:15.5px;font-weight:830;margin-bottom:6px}
.icard p{font-size:13px;color:var(--sub);flex:1}
.icard .go{font-size:12.5px;font-weight:800;color:var(--brand);margin-top:10px}

/* ---------- 服务流程 ---------- */
.flow{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(min(168px,100%),1fr))}
.flow .fl{background:#fff;border:1px solid var(--line);border-left:3px solid var(--brand2);border-radius:12px;padding:14px 15px;box-shadow:var(--shadow)}
.flow .fl b{display:block;font-size:13.5px;font-weight:820;margin-bottom:4px}
.flow .fl span{font-size:12.5px;color:var(--muted)}
.flow .fl i{font-style:normal;font-size:11px;font-weight:850;color:var(--brand);letter-spacing:1px;display:block;margin-bottom:5px}

/* ---------- Q&A（利于 AI 引擎摘要引用） ---------- */
.qa-list{display:grid;gap:12px}
.qa{background:#fff;border:1px solid var(--line);border-radius:14px;padding:17px 19px;box-shadow:var(--shadow)}
.qa h3{font-size:14.5px;font-weight:820;margin-bottom:7px;color:var(--ink)}
.qa p{font-size:13.8px;color:var(--sub)}
.qa p+p{margin-top:7px}

/* ---------- 数据条 ---------- */
.kv-strip{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(min(210px,100%),1fr));margin:22px 0}
.kv-strip .kv-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;box-shadow:var(--shadow)}
.kv-strip .kv-item b{display:block;font-size:20px;font-weight:870;color:var(--brand);letter-spacing:-.4px}
.kv-strip .kv-item span{font-size:12.5px;color:var(--muted);font-weight:650}

/* ---------- 提示条 ---------- */
.callout{background:#F4F8FF;border:1px solid #D6E4FB;border-radius:14px;padding:16px 20px;margin:16px 0;font-size:13.8px;color:var(--sub)}
.callout b{color:var(--brand)}
.callout.warnbox{background:#FFFBEB;border-color:#FDE68A;color:#8A5300}
.callout.warnbox b{color:#92400E}
.callout.okbox{background:#F0FDF4;border-color:#BBF7D0;color:#14532D}
.callout.okbox b{color:#047857}

/* ---------- 面包屑 / 页内目录 ---------- */
.crumb{font-size:13px;color:var(--muted);margin:22px 0 14px}
.toc{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 20px;margin:18px 0;box-shadow:var(--shadow);font-size:13.5px}
.toc b{display:block;font-size:13px;color:var(--muted);margin-bottom:8px;font-weight:800;letter-spacing:.4px}
.toc a{display:inline-block;margin:3px 12px 3px 0;font-weight:700}

/* ---------- 深色 CTA 带 ---------- */
.cta-band{background:linear-gradient(135deg,#1D4ED8,#0891B2);color:#fff;border-radius:var(--radius-lg);padding:34px 32px;text-align:center;box-shadow:0 20px 46px rgba(29,78,216,.28)}
.cta-band h3{font-size:clamp(19px,2.4vw,24px);font-weight:860;margin-bottom:9px;letter-spacing:-.4px}
.cta-band p{font-size:14.5px;opacity:.95;max-width:720px;margin:0 auto 18px}
.cta-band .btn{background:#fff;color:var(--brand);box-shadow:0 10px 26px rgba(4,16,38,.24)}
.cta-band .btn.ghost{background:rgba(255,255,255,.14);color:#fff;border:1.5px solid rgba(255,255,255,.45)}
.cta-band .tel-big{font-size:clamp(22px,3.4vw,30px);font-weight:880;letter-spacing:.4px;margin-top:14px}

/* ---------- 关于 / 团队 ---------- */
.teams{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(min(260px,100%),1fr))}
.team{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.team h3{font-size:15.5px;font-weight:830;margin-bottom:6px}
.team p{font-size:13.3px;color:var(--sub)}

/* ---------- 报价单样式（服务报价页） ---------- */
.quotecard{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow);overflow:hidden}
.quotecard .qh{background:linear-gradient(135deg,#0A1730,#123A6B);color:#fff;padding:22px 26px}
.quotecard .qh h3{font-size:17px;font-weight:850}
.quotecard .qh p{font-size:12.5px;color:#B7C8E2;margin-top:4px}

/* ---------- 页脚 2.0 ---------- */
footer.site{margin-top:0;padding:40px 0 44px;border-top:1px solid var(--line);background:#fff;text-align:left}
footer.site .fcols{display:grid;gap:24px;grid-template-columns:1.5fr 1fr 1fr 1.2fr;margin-bottom:22px}
footer.site h4{font-size:13px;font-weight:850;color:var(--ink);margin-bottom:10px;letter-spacing:.3px}
footer.site ul{list-style:none;display:flex;flex-direction:column;gap:7px}
footer.site a{font-size:13px;color:var(--sub);font-weight:600}
footer.site a:hover{color:var(--brand)}
footer.site p{font-size:12.5px;color:var(--muted);margin-bottom:6px;text-align:left}
footer.site .fbottom{border-top:1px solid var(--line);padding-top:18px;font-size:12px;color:var(--muted)}
footer.site .fbrand{font-size:15px;font-weight:850;color:var(--ink);margin-bottom:8px}

/* ---------- 响应式 ---------- */
@media(max-width:900px){footer.site .fcols{grid-template-columns:1fr 1fr}}
@media(max-width:640px){
  .ind-hero{padding:44px 0 38px}
  .ind-hero .lede{font-size:14.5px}
  .dark-band{padding:40px 0;margin-top:40px}
  .cta-band{padding:26px 20px}
  .price-wrap .ph{padding:16px 16px}
  table.pt th,table.pt td{padding:10px 11px;font-size:12.5px}
  table.pt td.item{width:auto}
  .pt-note{padding:12px 16px 16px}
  footer.site .fcols{grid-template-columns:1fr}
}
@media(max-width:480px){
  nav.site .logo b{font-size:14px}
  nav.site .logo small{display:none}
  .hstats{gap:10px}
  .hstat b{font-size:19px}
}
@media(prefers-reduced-motion:reduce){.icard:hover,.card:hover{transform:none}}

/* =====================================================================
   站点 2.1 —— 移动端适配强化层
   目标：手机（320–480）/ 小平板（481–860）布局不裁切、不横向溢出、卡片与表格可用
   ===================================================================== */
html,body{max-width:100%;overflow-x:hidden}
img,svg,video{max-width:100%;height:auto}
.logo{min-width:0}

/* ---------- 顶部导航：手机上由「固定高度单行」改为「两行 + 链接横向滚动」 ---------- */
@media(max-width:860px){
  nav.site .wrap,nav .wrap{height:auto;min-height:56px;flex-wrap:wrap;padding:8px 0 9px;row-gap:3px}
  nav .links{width:100%;flex-wrap:nowrap;overflow-x:auto;overflow-y:hidden;gap:4px;
    -webkit-overflow-scrolling:touch;scrollbar-width:none;padding-bottom:1px}
  nav .links::-webkit-scrollbar{display:none}
  nav .links a{flex:0 0 auto;padding:8px 13px;font-size:13px;white-space:nowrap;border-radius:9px}
  nav.site .logo-mark{width:28px;height:28px}
  nav.site .logo b{font-size:14.5px}
  nav.site .logo small{max-width:58vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
}

/* ---------- 主视觉 Hero：小屏收紧、数字卡两列 ---------- */
@media(max-width:640px){
  .ind-hero{padding:32px 0 30px}
  .ind-hero h1{font-size:clamp(23px,7vw,30px);line-height:1.22;letter-spacing:-.4px}
  .ind-hero .lede{font-size:14px;margin-bottom:20px}
  .ind-hero .kicker{font-size:11.5px;padding:5px 11px;margin-bottom:16px}
  .ind-hero .cta-row{gap:9px}
  .ind-hero .cta-row .btn{flex:1 1 100%;justify-content:center}
  .hstats{grid-template-columns:1fr 1fr;gap:10px;margin-top:24px}
  .hstat{padding:12px 13px;border-radius:12px}
  .hstat b{font-size:18px;letter-spacing:-.3px}
  .hstat span{font-size:11.5px}
  .hero{padding:38px 0 30px}
  .hero h1{font-size:clamp(23px,7vw,30px)}
  .stats{gap:18px 24px;margin-top:20px}
  .stat b{font-size:20px}
}

/* ---------- 网格：窄屏一律单列，内边距收紧 ---------- */
@media(max-width:640px){
  .igrid,.pillars,.ladder,.flow,.kv-strip,.teams,.promise,.groups-nav,.grid,.fit{grid-template-columns:1fr}
  .icard,.pillar,.step,.team,.group-chip{padding:16px 15px}
  .pd{padding:20px 16px}.pd h1{font-size:20px}
  .price-box .n{font-size:24px}
  .step .kv{flex-wrap:wrap;gap:4px}
  .step .kv .pp{white-space:normal}
  .sec-head{margin:36px 0 18px}
  .sec-head h2{font-size:19px}
  .sec-head p{margin-left:0;font-size:13px}
  .band{padding:4px 0 6px}
  .dark-band{margin-top:32px;padding:32px 0}
  .cta-band{padding:24px 18px;border-radius:18px}
  .cta-band h3{font-size:19px}
  .cta-band .tel-big{font-size:24px}
  .callout{padding:14px 15px;font-size:13.2px}
  .prose{padding:20px 16px}
  .prose h1{font-size:20px}
  .prose h2{font-size:16.5px}
  .crumb{font-size:12.5px;margin:16px 0 10px}
  .toc{padding:14px 15px;font-size:13px}
  .toc a{margin:3px 10px 3px 0}
  .qa{padding:15px 15px}
  .qa h3{font-size:14px}
}

/* ---------- 表格：横向滚动 + 触摸惯性 ---------- */
@media(max-width:860px){
  .pt-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
  table.pt{min-width:560px}
  table.pt th,table.pt td{padding:9px 10px;font-size:12.5px}
  table.pt td.item{width:auto}
  .price-wrap{border-radius:16px}
  .price-wrap .ph{padding:14px 15px;gap:5px}
  .price-wrap .ph h3{font-size:15.5px}
  .pt-note{padding:12px 15px 15px;font-size:12px}
  .static-rec{overflow-x:auto;-webkit-overflow-scrolling:touch}
  .static-rec table{min-width:460px}
}

/* ---------- 页脚：两列 → 单列 ---------- */
@media(max-width:860px){
  footer.site .fcols{grid-template-columns:1fr 1fr;gap:18px 20px}
}
@media(max-width:600px){
  footer.site{padding:28px 0 32px}
  footer.site .fcols{grid-template-columns:1fr;gap:16px}
  footer.site a{display:inline-block;padding:4px 0}
  footer.site .fbrand{font-size:14.5px}
}

/* ---------- 超窄屏（≤400px）---------- */
@media(max-width:400px){
  .wrap{padding:0 14px}
  .hstats{grid-template-columns:1fr}
  .btn{font-size:14px;padding:11px 18px}
  nav .links a{padding:7px 11px;font-size:12.5px}
  table.pt{min-width:520px}
}

/* ---------- 触摸设备：去除 hover 位移，保证点击热区 ---------- */
@media(hover:none){
  .icard:hover,.card:hover,.pillar:hover{transform:none}
  nav .links a,.btn,footer.site a{min-height:36px}
}

/* =====================================================================
   站点 2.2 —— 导航架构重构
   ① 桌面：主导航 + 每条业务线独立「栏目子导航」
   ② 移动：主导航收进右侧抽屉（全部栏目一屏可见）；子导航标签条可左右滑动，
      带左右箭头与自动居中，解决「看不全 / 不知道能滑 / 点了不回位」
   ===================================================================== */
:root{--navh:64px}
html.dw-lock{overflow:hidden}
[id]{scroll-margin-top:calc(var(--navh) + 64px)}

nav.site{position:sticky;top:0;z-index:60}

/* ---------- 菜单按钮（桌面隐藏） ---------- */
.menu-btn{display:none;align-items:center;gap:6px;background:#fff;border:1px solid var(--line);
  border-radius:11px;padding:9px 12px;cursor:pointer;color:var(--ink);font-weight:750;font-size:13px;
  box-shadow:var(--shadow);line-height:1}
.menu-btn .bars{display:flex;flex-direction:column;gap:3px;flex:0 0 auto}
.menu-btn .bars i{display:block;width:15px;height:2px;background:currentColor;border-radius:2px}
.menu-btn .mb-txt{margin-left:2px}
.menu-btn.act{color:var(--brand);border-color:#B9CCEA;background:#EEF3FB}

/* ---------- 抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(8,18,38,.5);opacity:0;visibility:hidden;
  transition:opacity .26s ease,visibility .26s ease;z-index:70;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;height:100%;height:100dvh;width:min(90vw,400px);background:#fff;z-index:80;
  transform:translateX(103%);transition:transform .3s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column;
  box-shadow:-20px 0 48px rgba(8,18,38,.24);overflow:hidden}
.drawer.open{transform:none}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;
  border-bottom:1px solid var(--line);flex:0 0 auto;background:#fff}
.drawer-top b{font-size:15px;font-weight:850}
.drawer-close{width:34px;height:34px;border-radius:10px;border:1px solid var(--line);background:#fff;
  font-size:15px;cursor:pointer;color:var(--sub);line-height:1}
.drawer-body{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:4px 18px 14px}
.dw-group{padding:14px 0 6px;border-bottom:1px dashed var(--line)}
.dw-group:last-child{border-bottom:none}
.dw-group>p{font-size:11.5px;font-weight:850;color:var(--muted);letter-spacing:.6px;margin-bottom:9px}
.dw-links{display:grid;grid-template-columns:1fr 1fr;gap:7px}
.dw-links a{font-size:13px;font-weight:650;color:var(--ink);background:#F6F8FC;border:1px solid var(--line);
  border-radius:11px;padding:10px 11px;line-height:1.28}
.dw-links a.on{background:linear-gradient(135deg,var(--brand2),var(--cyan));color:#fff;border-color:transparent;
  box-shadow:0 6px 16px rgba(37,99,235,.22)}
.drawer-cta{margin:12px 18px 18px;justify-content:center;flex:0 0 auto}

/* ---------- 栏目子导航 ---------- */
.subnav{position:sticky;top:var(--navh);z-index:55;background:rgba(255,255,255,.96);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.subnav-wrap{display:flex;align-items:center;gap:8px;padding-top:9px;padding-bottom:9px}
.subnav-scroll{flex:1;min-width:0;display:flex;gap:7px;overflow-x:auto;scrollbar-width:none;
  -webkit-overflow-scrolling:touch;scroll-behavior:smooth;padding:2px 1px;
  -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 12px,#000 calc(100% - 12px),transparent 100%);
  mask-image:linear-gradient(90deg,transparent 0,#000 12px,#000 calc(100% - 12px),transparent 100%)}
.subnav-scroll::-webkit-scrollbar{display:none}
.subnav-scroll a{flex:0 0 auto;font-size:13px;font-weight:700;color:var(--sub);background:#fff;
  border:1px solid var(--line);border-radius:100px;padding:7px 14px;white-space:nowrap}
.subnav-scroll a:hover{border-color:#B9CCEA;color:var(--brand)}
.subnav-scroll a.on{background:linear-gradient(135deg,var(--brand2),var(--cyan));color:#fff;
  border-color:transparent;box-shadow:0 6px 16px rgba(37,99,235,.22)}
.sub-arrow{flex:0 0 auto;width:30px;height:30px;border-radius:50%;border:1px solid var(--line);background:#fff;
  cursor:pointer;position:relative;box-shadow:0 3px 10px rgba(8,21,46,.10);transition:opacity .2s,transform .15s}
.sub-arrow:hover{transform:translateY(-1px);border-color:#B9CCEA}
.sub-arrow::before{content:"";position:absolute;top:50%;left:50%;width:7px;height:7px;
  border-right:2px solid var(--brand);border-bottom:2px solid var(--brand)}
.sleft::before{transform:translate(-28%,-50%) rotate(135deg)}
.sright::before{transform:translate(-72%,-50%) rotate(-45deg)}
.sub-arrow.off{opacity:.22;pointer-events:none;box-shadow:none}

/* ---------- 移动端：主导航收进抽屉 ---------- */
@media(max-width:860px){
  :root{--navh:56px}
  .menu-btn{display:inline-flex}
  nav.site .wrap{height:56px;flex-wrap:nowrap;gap:8px}
  nav.site .links{display:none}
  nav.site .logo{min-width:0;flex:1}
  nav.site .logo small{max-width:54vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:block}
  .sub-arrow{width:28px;height:28px}
  .subnav-wrap{gap:6px;padding-top:8px;padding-bottom:8px}
  .subnav-scroll a{font-size:12.5px;padding:7px 12px}
  .dw-links a{font-size:12.5px;padding:9px 10px}
}
@media(max-width:400px){
  .dw-links{grid-template-columns:1fr}
  .menu-btn .mb-txt{display:none}
}

/* ===================== 站点 3.0 增量层：价格/资质/团队/工具矩阵 ===================== */
.pt .pfree{color:#0E9F6E;font-weight:700;font-size:15px}
.pt small{font-size:10.5px;opacity:.7;font-weight:400;margin-left:2px}
footer.site .flegal{font-size:12px;opacity:.72;margin-top:4px;line-height:1.7}
footer.site .flegal a{text-decoration:underline}

/* 资质 / 凭证卡 */
.cred-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;margin-top:6px}
.cred{background:var(--card,#fff);border:1px solid var(--line,#e5e9f0);border-radius:12px;padding:16px 18px}
.cred b{display:block;font-size:12px;letter-spacing:.04em;color:var(--muted,#64748B);font-weight:600;margin-bottom:4px}
.cred span{font-size:14.5px;font-weight:600}
.cred small{display:block;margin-top:6px;font-size:12.5px;color:var(--muted,#64748B);font-weight:400;line-height:1.6}

/* 团队卡 */
.tcards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.tcard{background:var(--card,#fff);border:1px solid var(--line,#e5e9f0);border-radius:14px;padding:20px 20px 18px;display:flex;flex-direction:column;gap:8px}
.tcard .av{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:700;color:#fff;background:linear-gradient(135deg,#1D4ED8,#0EA5E9)}
.tcard h3{margin:2px 0 0;font-size:16px}
.tcard .role{font-size:12.5px;color:#1D4ED8;font-weight:600;letter-spacing:.02em}
.tcard p{margin:2px 0 0;font-size:13.5px;color:var(--muted,#475569);line-height:1.75}
.tcard ul{margin:4px 0 0;padding-left:18px;font-size:13px;color:var(--muted,#475569);line-height:1.75}

/* 年限徽标 */
.yr{display:inline-flex;align-items:baseline;gap:4px;background:#EEF4FF;color:#1D4ED8;border:1px solid #D6E2FF;
  border-radius:999px;padding:2px 10px;font-size:12px;font-weight:600}

/* 工具（产品线）卡 */
.tool{display:grid;grid-template-columns:56px 1fr;gap:14px;background:var(--card,#fff);border:1px solid var(--line,#e5e9f0);
  border-radius:14px;padding:18px;align-items:start}
.tool .ti{width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:24px;
  background:linear-gradient(135deg,#0EA5E9,#6366F1)}
.tool h3{margin:0 0 4px;font-size:16px}
.tool p{margin:0;font-size:13.5px;color:var(--muted,#475569);line-height:1.75}
.tool .out{display:inline-block;margin-top:8px;font-size:12.5px;color:#0E9F6E;font-weight:600}
.tools-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:16px}

/* 对比条 */
.vs{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.vs>div{border-radius:12px;padding:16px 18px;border:1px solid var(--line,#e5e9f0);background:var(--card,#fff)}
.vs .bad{border-color:#FBD5D5;background:#FEF2F2}
.vs .good{border-color:#BFE3CF;background:#F0FDF4}
.vs h4{margin:0 0 8px;font-size:14px}
.vs ul{margin:0;padding-left:18px;font-size:13px;line-height:1.8;color:var(--muted,#475569)}
.res-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:14px}
.res{background:var(--card,#fff);border:1px solid var(--line,#e5e9f0);border-radius:12px;padding:16px 18px}
.res b{display:block;font-size:14.5px;margin-bottom:5px}
.res p{margin:0;font-size:13px;color:var(--muted,#475569);line-height:1.7}
.res .meta{display:block;margin-top:8px;font-size:12px;color:#94A3B8}
@media(max-width:680px){.vs{grid-template-columns:1fr}.tool{grid-template-columns:44px 1fr;gap:10px}
  .tool .ti{width:44px;height:44px;font-size:19px}}