/* 力信智能企业官网 - 共享样式 */
:root{
  --navy:#0B1F2A; --navy2:#0E2A3B; --navy3:#13384B;
  --teal:#2FBFB4; --teal-d:#1E9C92; --teal-l:#7FE0D6;
  --ink:#0F2430; --slate:#475569; --muted:#64748b;
  --bg:#FFFFFF; --soft:#F6F9FB; --line:#E6EDF2; --line2:#DCE6EC;
  --danger:#E2574C; --gold:#E9A23B;
  --maxw:1180px;
  --shadow:0 18px 50px -20px rgba(11,31,42,.28);
  --r:16px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
  color:var(--ink); background:var(--bg); line-height:1.7; -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
section{padding:96px 0}
h2.title{font-size:clamp(26px,3.4vw,40px);font-weight:800;letter-spacing:.5px;line-height:1.25}
h3.subtitle{font-size:clamp(20px,2.2vw,26px);font-weight:800;line-height:1.3}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:3px;color:var(--teal-d);
  text-transform:uppercase;margin-bottom:14px}
.lead{color:var(--slate);font-size:clamp(15px,1.6vw,18px);max-width:680px;margin-top:14px}
.center{text-align:center}
.center .lead{margin-left:auto;margin-right:auto}
.text-white{color:#fff}
.text-muted{color:var(--muted)}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 22px;border-radius:999px;font-weight:700;
  font-size:15px;cursor:pointer;border:1px solid transparent;transition:transform .15s,box-shadow .25s,background .2s, color .2s;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--teal),var(--teal-d));color:#fff;box-shadow:0 12px 26px -10px var(--teal-d)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px -12px var(--teal-d)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.4);color:#fff}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-dark{background:var(--navy);color:#fff}
.btn-dark:hover{transform:translateY(-2px);box-shadow:0 12px 24px -12px rgba(11,31,42,.45)}
.btn-outline-dark{background:transparent;border-color:var(--line2);color:var(--ink)}
.btn-outline-dark:hover{border-color:var(--teal);color:var(--teal-d)}
.btn-sm{padding:9px 18px;font-size:14px}

/* Navigation */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:18px;letter-spacing:.5px;color:var(--ink)}
.brand img{height:34px;width:auto}
.brand small{display:block;font-size:11px;font-weight:600;color:var(--muted);letter-spacing:1px;margin-top:-3px}
.nav ul{display:flex;gap:32px;list-style:none;font-size:15px;font-weight:600;color:var(--slate)}
.nav ul a{position:relative;padding:6px 0;transition:color .2s}
.nav ul a:hover{color:var(--teal-d)}
.nav ul a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--teal);transition:width .25s}
.nav ul a:hover::after{width:100%}
.nav ul a.active{color:var(--teal-d)}
.nav ul a.active::after{width:100%}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.burger span{width:22px;height:2px;background:var(--ink);border-radius:2px;transition:.25s}
.nav.open .burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav.open .burger span:nth-child(2){opacity:0}
.nav.open .burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Hero */
.hero{position:relative;background:linear-gradient(120deg,rgba(11,31,42,.88),rgba(11,31,42,.72)),url("../assets/images/scene-office.png") center/cover no-repeat;
  color:#EAF4F7;overflow:hidden;padding:0}
.hero .wrap{position:relative;z-index:2;padding:120px 24px 130px;max-width:var(--maxw)}
.hero .pill{display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:600;
  color:var(--teal-l);border:1px solid rgba(127,224,214,.35);background:rgba(47,191,180,.1);
  padding:7px 15px;border-radius:999px;margin-bottom:26px}
.hero .pill .dot{width:8px;height:8px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 4px rgba(47,191,180,.25)}
.hero h1{font-size:clamp(34px,5.6vw,62px);line-height:1.12;font-weight:900;letter-spacing:1px;
  max-width:760px;text-shadow:0 2px 24px rgba(0,0,0,.35)}
.hero h1 .hl{color:var(--teal-l)}
.hero p.sub{margin-top:22px;font-size:clamp(16px,2vw,20px);color:#C7DBE0;max-width:620px}
.hero .cta{margin-top:38px;display:flex;gap:16px;flex-wrap:wrap}
.hero .stats{margin-top:64px;display:flex;gap:46px;flex-wrap:wrap}
.hero .stat .num{font-size:clamp(30px,4vw,44px);font-weight:900;color:#fff;font-variant-numeric:tabular-nums}
.hero .stat .num .u{font-size:20px;color:var(--teal-l);margin-left:2px}
.hero .stat .lbl{font-size:14px;color:#9FBBC4;margin-top:4px}
.hero .hero-illustration{display:none}

/* Section backgrounds */
.soft{background:var(--soft)}
.dark{background:radial-gradient(120% 120% at 80% 0%,var(--navy3),var(--navy) 60%);color:#EAF4F7}
.dark h2.title{color:#fff}
.dark .eyebrow{color:var(--teal-l)}
.dark .lead{color:#BFD6DC}

/* Cards */
.card-grid{display:grid;gap:22px;margin-top:48px}
.card-grid.cols-2{grid-template-columns:repeat(2,1fr)}
.card-grid.cols-3{grid-template-columns:repeat(3,1fr)}
.card-grid.cols-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:30px 28px;
  position:relative;overflow:hidden;transition:transform .25s,box-shadow .25s,border-color .2s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line2)}
.card .tag{position:absolute;top:18px;right:18px;font-size:12px;font-weight:700;color:var(--danger);
  background:rgba(226,87,76,.1);padding:4px 10px;border-radius:999px}
.card .tag.teal{color:var(--teal-d);background:rgba(47,191,180,.1)}
.card .tag.gold{color:var(--gold);background:rgba(233,162,59,.1)}
.card h3{font-size:18px;margin:10px 0 10px;font-weight:800}
.card p{color:var(--slate);font-size:15px}
.card .ico{width:48px;height:48px;border-radius:12px;background:linear-gradient(135deg,#EAFaf8,var(--teal));
  display:grid;place-items:center;color:var(--teal-d);margin-bottom:16px}
.card .ico svg{width:26px;height:26px}
.card .num-badge{width:36px;height:36px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center;
  font-weight:800;font-size:15px;margin-bottom:14px}

/* Feature rows */
.feature-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:60px;align-items:center;margin-top:48px}
.feature-row.reverse .feature-text{order:2}
.feature-row.reverse .feature-media{order:1}
.feature-text h3{font-size:clamp(22px,2.6vw,30px);font-weight:800;margin-bottom:16px}
.feature-text p{color:var(--slate);font-size:16px;margin-bottom:16px}
.feature-list{list-style:none;display:grid;gap:12px}
.feature-list li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:var(--slate)}
.feature-list li svg{flex-shrink:0;color:var(--teal-d);margin-top:3px;width:20px;height:20px}
.feature-media{background:var(--soft);border-radius:var(--r);border:1px solid var(--line);display:grid;place-items:center;min-height:360px;position:relative;overflow:hidden}
.feature-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border-radius:12px;box-shadow:var(--shadow);display:block}
.feature-media.photo{padding:0;background:none;border:none}
.feature-media.photo img{border-radius:var(--r)}

/* Photo gallery */
.photo-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:46px}
.photo-card{margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
  box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s}
.photo-card:hover{transform:translateY(-4px);box-shadow:0 24px 60px -24px rgba(11,31,42,.4)}
.photo-card img{width:100%;height:240px;object-fit:cover;display:block}
.photo-card figcaption{padding:16px 18px;font-size:14px;color:var(--slate);font-weight:600}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:50px;position:relative}
.steps.cols-3{grid-template-columns:repeat(3,1fr)}
.steps.cols-2{grid-template-columns:repeat(2,1fr)}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px 22px;position:relative}
.step .no{width:38px;height:38px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center;
  font-weight:800;font-size:16px;margin-bottom:14px}
.step h3{font-size:16px;font-weight:800;margin-bottom:8px}
.step p{font-size:14px;color:var(--slate)}
.steps .arrow{position:absolute;top:42px;right:-10px;color:var(--teal);font-size:20px;z-index:2}
.steps.cols-3 .arrow{right:-12px}
.steps.cols-3 .step:nth-child(3n) ~ .arrow{display:none}
.steps.cols-2 .arrow{display:none}

/* KPIs */
.kpis{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.kpi{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:14px;padding:22px}
.kpi .n{font-size:clamp(28px,3.4vw,38px);font-weight:900;color:#fff;font-variant-numeric:tabular-nums}
.kpi .n .u{font-size:16px;color:var(--teal-l);margin-left:3px}
.kpi .t{font-size:14px;color:#A9C4CC;margin-top:4px}
.kpi.hi .n{color:var(--teal-l)}

/* Value stats */
.val-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:46px}
.val-card{text-align:center;padding:14px}
.val-card .big{font-size:clamp(34px,4.4vw,52px);font-weight:900;color:var(--teal-d);font-variant-numeric:tabular-nums;line-height:1}
.val-card .big .u{font-size:22px}
.val-card .vt{margin-top:10px;color:var(--slate);font-size:15px;font-weight:600}

/* Scenes / use cases */
.scene-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin-top:46px}
.scene-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px 16px;text-align:center;
  transition:transform .2s,box-shadow .25s,border-color .2s}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--teal)}
.scene-card .ico{width:44px;height:44px;border-radius:12px;background:var(--soft);display:grid;place-items:center;margin:0 auto 14px;color:var(--teal-d)}
.scene-card .ico svg{width:24px;height:24px}
.scene-card h3{font-size:16px;font-weight:800;margin:10px 0 6px}
.scene-card p{font-size:13px;color:var(--slate)}
/* Scenes as real photos */
.scene-card.photo{padding:0;overflow:hidden;text-align:left}
.scene-card.photo .ph{position:relative;display:block;height:170px;overflow:hidden}
.scene-card.photo .ph img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s}
.scene-card.photo:hover .ph img{transform:scale(1.06)}
.scene-card.photo .ph::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,31,42,0) 40%,rgba(11,31,42,.55))}
.scene-card.photo .cap{padding:16px 18px 18px}
.scene-card.photo h3{margin:0 0 4px;color:var(--ink)}
.scene-card.photo p{margin:0;color:var(--slate)}

/* Photo gallery wall */
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:46px}
.gallery-grid figure{margin:0;border-radius:14px;overflow:hidden;border:1px solid var(--line);background:#fff;position:relative}
.gallery-grid img{width:100%;height:230px;object-fit:cover;display:block;transition:transform .5s}
.gallery-grid figure:hover img{transform:scale(1.05)}
.gallery-grid figcaption{position:absolute;left:0;right:0;bottom:0;padding:12px 16px;color:#fff;font-size:14px;font-weight:600;
  background:linear-gradient(180deg,rgba(11,31,42,0),rgba(11,31,42,.7))}

/* CTA section */
.cta-sec{background:linear-gradient(135deg,var(--navy2),var(--navy));color:#EAF4F7}
.cta-box{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.cta-box h2{font-size:clamp(26px,3.2vw,38px);font-weight:900;line-height:1.25;color:var(--ink)}
.cta-box p{color:var(--slate);margin-top:14px}
.cta-sec .cta-box h2{color:#fff}
.cta-sec .cta-box p{color:#CFE3E8}
.cta-box .contact{margin-top:24px;font-size:15px;color:var(--slate);line-height:2}
.cta-sec .cta-box .contact{color:#C7DBE0}
.cta-box .contact b{color:var(--ink)}
.cta-sec .cta-box .contact b{color:#fff}

/* Forms */
form.box{background:#fff;border-radius:var(--r);padding:30px;box-shadow:var(--shadow)}
form.box .field{margin-bottom:16px}
form.box label{display:block;font-size:13px;font-weight:700;color:var(--slate);margin-bottom:6px}
form.box input,form.box textarea,form.box select{width:100%;padding:12px 14px;border:1px solid var(--line2);
  border-radius:10px;font-size:15px;font-family:inherit;color:var(--ink);background:#FCFEFF;transition:border-color .2s,box-shadow .2s}
form.box input:focus,form.box textarea:focus,form.box select:focus{outline:none;border-color:var(--teal);
  box-shadow:0 0 0 3px rgba(47,191,180,.15)}
form.box textarea{resize:vertical;min-height:74px}
form.box .btn{width:100%;justify-content:center;margin-top:6px}
.form-note{font-size:12px;color:var(--muted);margin-top:12px;text-align:center}
.form-ok{display:none;background:rgba(47,191,180,.12);border:1px solid var(--teal);color:var(--teal-d);
  padding:14px;border-radius:10px;font-weight:700;text-align:center;margin-bottom:14px}

/* Page header */
.page-header{background:linear-gradient(120deg,rgba(11,31,42,.9),rgba(11,31,42,.76)),url("../assets/images/scene-office.png") center/cover no-repeat;color:#EAF4F7;padding:110px 0 80px}
.page-header h1{font-size:clamp(32px,4.8vw,52px);font-weight:900;line-height:1.15;max-width:760px}
.page-header p.sub{font-size:clamp(16px,2vw,20px);color:#C7DBE0;margin-top:18px;max-width:640px}

/* About timeline / values */
.timeline{position:relative;margin-top:48px;padding-left:28px;border-left:2px solid var(--line)}
.timeline-item{position:relative;padding-bottom:34px}
.timeline-item::before{content:"";position:absolute;left:-35px;top:4px;width:14px;height:14px;border-radius:50%;background:var(--teal);border:3px solid #fff;box-shadow:0 0 0 2px var(--teal)}
.timeline-item h4{font-size:18px;font-weight:800;margin-bottom:8px}
.timeline-item p{color:var(--slate);font-size:15px}

/* Footer */
footer{background:var(--navy);color:#9FBBC4;padding:46px 0;font-size:14px}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:20px;align-items:center}
footer a{color:var(--teal-l);margin-left:18px}
footer .links{display:flex;gap:18px}

/* Reveal animation */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* Breadcrumb */
.breadcrumb{font-size:14px;color:var(--muted);margin-top:18px}
.breadcrumb a:hover{color:var(--teal-d)}
.breadcrumb span{color:var(--slate)}

/* Contact cards */
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:48px}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px;text-align:center;transition:.25s}
.contact-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.contact-card .ico{width:48px;height:48px;border-radius:50%;background:var(--soft);display:grid;place-items:center;margin:0 auto 14px;color:var(--teal-d)}
.contact-card .ico svg{width:24px;height:24px}
.contact-card h4{font-size:17px;font-weight:800;margin-bottom:6px}
.contact-card p{font-size:15px;color:var(--slate)}

/* Map placeholder */
.map-placeholder{background:var(--soft);border:1px solid var(--line);border-radius:var(--r);min-height:320px;display:grid;place-items:center;text-align:center;padding:24px}

/* WeChat QR code */
.qr-box{display:inline-flex;align-items:center;gap:14px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:14px;padding:14px 18px}
.qr-box img{width:76px;height:76px;border-radius:8px;background:#fff;display:block}
.qr-box .txt{font-size:15px;color:#CFE3E8;line-height:1.5}
.qr-box .txt b{display:block;color:#fff;font-size:16px;margin-bottom:2px}
.qr-thumb{width:84px;height:84px;border-radius:10px;background:#fff;padding:6px;box-shadow:var(--shadow);vertical-align:middle}
.qr-thumb img{width:100%;height:100%;display:block}

/* ===== Product brochure (画报级) ===== */
.cover{position:relative;min-height:92vh;display:flex;align-items:center;overflow:hidden;color:#EAF4F7;
  background:linear-gradient(115deg,rgba(8,22,30,.92) 0%,rgba(8,22,30,.62) 46%,rgba(8,22,30,.28) 100%),
    url("../assets/images/scene-warehouse.png") center/cover no-repeat}
.cover .wrap{position:relative;z-index:2;padding:130px 24px 90px;max-width:var(--maxw);width:100%}
.cover .kicker{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:700;letter-spacing:3px;
  color:var(--teal-l);text-transform:uppercase;margin-bottom:22px}
.cover .kicker::before{content:"";width:34px;height:2px;background:var(--teal)}
.cover h1{font-size:clamp(36px,6.4vw,76px);line-height:1.06;font-weight:900;letter-spacing:1px;max-width:900px;
  text-shadow:0 4px 40px rgba(0,0,0,.5)}
.cover h1 .hl{color:var(--teal-l)}
.cover .sub{margin-top:24px;font-size:clamp(16px,2vw,21px);color:#CFE3E8;max-width:660px}
.cover .tech-chips{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.cover .chip{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:#EAF4F7;
  border:1px solid rgba(127,224,214,.3);background:rgba(47,191,180,.12);padding:9px 16px;border-radius:999px}
.cover .chip b{color:var(--teal-l);font-weight:800}
.cover .cta{margin-top:38px;display:flex;gap:16px;flex-wrap:wrap}
.cover .stat-strip{display:flex;flex-wrap:wrap;gap:40px;margin-top:56px;padding-top:34px;
  border-top:1px solid rgba(255,255,255,.16)}
.cover .stat-strip .num{font-size:clamp(28px,3.6vw,40px);font-weight:900;color:#fff;font-variant-numeric:tabular-nums;
  font-variant-numeric:tabular-nums}
.cover .stat-strip .num .u{font-size:18px;color:var(--teal-l);margin-left:2px}
.cover .stat-strip .lbl{font-size:13px;color:#9FBBC4;margin-top:2px}

/* Tech spine: 5 core technologies */
.tech-spine{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;margin-top:52px}
.tech-node{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px 22px;position:relative;
  overflow:hidden;transition:transform .25s,box-shadow .25s,border-color .2s}
.tech-node:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--teal)}
.tech-node::before{content:"";position:absolute;left:0;top:0;width:100%;height:4px;
  background:linear-gradient(90deg,var(--teal),var(--teal-d))}
.tech-node .no{font-size:13px;font-weight:800;color:var(--teal-d);letter-spacing:1px}
.tech-node .ico{width:46px;height:46px;border-radius:12px;background:linear-gradient(135deg,#EAFaf8,var(--teal));
  display:grid;place-items:center;color:var(--teal-d);margin:14px 0 16px}
.tech-node .ico svg{width:24px;height:24px}
.tech-node h3{font-size:17px;font-weight:800;line-height:1.35;margin-bottom:8px}
.tech-node p{font-size:13.5px;color:var(--slate)}

/* Feature blocks: alternating photo + text (poster style) */
.feat{display:grid;grid-template-columns:1fr 1fr;align-items:stretch;margin-top:0;border-radius:var(--r);overflow:hidden;
  border:1px solid var(--line);background:#fff}
.feat + .feat{margin-top:28px}
.feat.reverse .feat-media{order:2}
.feat .feat-media{position:relative;min-height:400px;overflow:hidden;min-width:0}
.feat .feat-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s}
.feat:hover .feat-media img{transform:scale(1.05)}
.feat .feat-media .badge{position:absolute;left:24px;top:24px;z-index:2;font-size:13px;font-weight:800;letter-spacing:2px;
  color:#06222b;background:var(--teal-l);padding:8px 16px;border-radius:999px}
.feat .feat-body{padding:50px 46px;display:flex;flex-direction:column;justify-content:center;min-width:0}
.feat .feat-body .no{font-size:14px;font-weight:800;color:var(--teal-d);letter-spacing:2px}
.feat .feat-body h2{font-size:clamp(24px,2.8vw,34px);font-weight:900;margin:12px 0 16px;line-height:1.25}
.feat .feat-body p{color:var(--slate);font-size:16px;margin-bottom:14px}
.feat .feat-body ul{list-style:none;display:flex;flex-direction:column;gap:12px;margin-top:10px}
.feat .feat-body ul li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--slate);line-height:1.55}
.feat .feat-body ul li svg{flex-shrink:0;width:22px;height:22px;color:var(--teal-d);margin-top:2px}

/* Stat band */
.stat-band{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:48px}
.stat-band .cell{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:30px 26px;text-align:center;
  transition:transform .25s,box-shadow .25s,border-color .2s}
.stat-band .cell:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--teal)}
.stat-band .cell .n{font-size:clamp(30px,4vw,46px);font-weight:900;color:var(--navy);font-variant-numeric:tabular-nums}
.stat-band .cell .n .u{font-size:18px;color:var(--teal-d);margin-left:2px}
.stat-band .cell .t{font-size:14px;color:var(--slate);margin-top:6px}

/* Responsive — Tablet (pad) */
@media(max-width:1024px){
  :root{--maxw:960px}
  .card-grid.cols-4{grid-template-columns:repeat(2,1fr)}
  .card-grid.cols-3{grid-template-columns:repeat(2,1fr)}
  .scene-grid{grid-template-columns:repeat(3,1fr)}
  .board-grid,.cta-box{grid-template-columns:1fr;gap:34px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .steps.cols-3{grid-template-columns:repeat(2,1fr)}
  .val-grid{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:repeat(2,1fr)}
  .photo-grid{grid-template-columns:repeat(2,1fr)}
  .tech-spine{grid-template-columns:repeat(3,1fr)}
  .feat{grid-template-columns:1fr}
  .feat.reverse .feat-media{order:unset}
  .feat .feat-media{min-height:280px}
  .stat-band{grid-template-columns:repeat(2,1fr)}
}
/* Responsive — Small tablet / large phone */
@media(max-width:820px){
  .feature-row{grid-template-columns:1fr;gap:30px}
  .feature-row.reverse .feature-text,.feature-row.reverse .feature-media{order:unset}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .gallery-grid{grid-template-columns:repeat(2,1fr)}
  .tech-spine{grid-template-columns:repeat(2,1fr)}
}
/* Responsive — Phone */
@media(max-width:720px){
  section{padding:64px 0}
  .wrap{padding-left:18px;padding-right:18px}
  .nav ul,.nav .cta-btn{display:none}
  .burger{display:flex}
  .nav.open ul{display:flex;position:absolute;top:70px;left:0;right:0;flex-direction:column;gap:0;
    background:#fff;border-bottom:1px solid var(--line);padding:8px 0;box-shadow:var(--shadow)}
  .nav.open ul a{padding:14px 24px}
  .nav.open .cta-btn{display:inline-flex;position:absolute;top:70px;right:24px;margin-top:14px}
  .card-grid.cols-2,.card-grid.cols-3,.card-grid.cols-4{grid-template-columns:1fr}
  .grid-pain{grid-template-columns:1fr}
  .hero .stats{gap:30px}
  .hero .wrap{padding:88px 24px 96px}
  .hero .hero-illustration{display:none}
  .steps,.steps.cols-3{grid-template-columns:1fr}
  .val-grid{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:1fr}
  .gallery-grid{grid-template-columns:1fr}
  .tech-spine{grid-template-columns:1fr}
  .stat-band{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .photo-grid{grid-template-columns:1fr}
  .photo-card img{height:200px}
  .feat .feat-body{padding:36px 22px}
  .feat .feat-media{min-height:240px}
  .cover .wrap{padding:110px 18px 64px}
  .cover .stat-strip{gap:26px;margin-top:40px}
  .page-header{padding:90px 0 60px}
  footer .wrap{flex-direction:column;text-align:center}
  footer .links{flex-wrap:wrap;justify-content:center}
}