/* Turing AI Infra —— 浅色科技风 */
:root{
  --bg:#f5f7fb; --bg2:#eaeff7; --panel:#ffffff; --panel2:#f3f6fc;
  --line:rgba(20,45,95,.10); --line2:rgba(20,45,95,.20);
  --txt:#0d1b3a; --txt2:#525f76; --txt3:#8794ab;
  --brand:#1565ff; --brand2:#0896c4; --brand3:#2b7bd6;
  --gold:#e08a00;
  --grad:linear-gradient(120deg,#1565ff,#0896c4);
  --grad2:linear-gradient(120deg,#0a5cff,#06b6d4);
  --shadow:0 10px 30px rgba(20,45,95,.08);
  --shadow2:0 18px 50px rgba(20,45,95,.14);
  --r:14px; --r2:20px; --max:1280px; --nav-h:72px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:var(--nav-h);overflow-x:hidden}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;background:var(--bg);color:var(--txt);line-height:1.7;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.section{padding:96px 0;position:relative}
.section--tight{padding:64px 0}
.eyebrow{font-size:12px;letter-spacing:3px;color:var(--brand);font-weight:700;text-transform:uppercase;display:inline-block;margin-bottom:14px}
.sec-title{font-size:clamp(26px,4vw,42px);font-weight:800;letter-spacing:.5px;line-height:1.2;color:var(--txt)}
.sec-sub{color:var(--txt2);margin-top:14px;font-size:16px;max-width:760px}
.sec-head{margin-bottom:48px}
.sec-head.center{text-align:center;margin-left:auto;margin-right:auto}
.sec-head.center .sec-sub{margin-left:auto;margin-right:auto}
.grad-text{color:var(--brand)}
.nav{position:fixed;top:0;left:0;right:0;height:var(--nav-h);z-index:100;background:rgba(255,255,255,.82);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);transition:.3s}
.nav.scrolled{background:rgba(255,255,255,.95);box-shadow:0 4px 24px rgba(20,45,95,.08)}
.nav-inner{max-width:var(--max);margin:0 auto;height:100%;padding:0 24px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:9px;font-weight:600;font-size:16px;letter-spacing:.3px;white-space:nowrap;color:var(--txt)}
.brand-logo{height:30px;width:auto;border-radius:6px;display:block;box-shadow:0 2px 8px rgba(20,45,95,.1)}
.nav-links{display:flex;gap:4px;margin-left:14px}
.nav-links a{font-size:14px;color:var(--txt2);padding:8px 13px;border-radius:8px;transition:.2s;white-space:nowrap;font-weight:500}
.nav-links a:hover,.nav-links a.active{color:var(--brand);background:rgba(21,101,255,.08)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.lang-btn{cursor:pointer;border:1px solid var(--line2);color:var(--txt);background:#fff;padding:7px 15px;border-radius:20px;font-size:13px;font-weight:600;transition:.2s}
.lang-btn:hover{border-color:var(--brand);color:var(--brand)}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 26px;border-radius:30px;font-weight:700;font-size:14px;cursor:pointer;transition:.25s;border:none}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 18px rgba(21,101,255,.22)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(21,101,255,.48)}
.btn-ghost{background:#fff;color:var(--brand);border:1px solid var(--line2)}
.btn-ghost:hover{border-color:var(--brand);box-shadow:var(--shadow)}
.nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:6px}
.nav-toggle span{width:24px;height:2px;background:var(--txt);border-radius:2px;transition:.3s}
.hero{position:relative;min-height:100vh;display:flex;align-items:center;padding-top:var(--nav-h);overflow:hidden;background:linear-gradient(180deg,#fff 0%,var(--bg) 100%)}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.18}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(245,247,251,.6) 0%,rgba(245,247,251,.82) 55%,var(--bg) 100%)}
#hero3d{position:absolute;top:0;bottom:0;left:50%;right:0;width:50%;height:100%;z-index:1;display:block;pointer-events:none}
.hero-orb{position:absolute;border-radius:50%;filter:blur(90px);opacity:.45;z-index:0}
.hero-orb.a{width:440px;height:440px;background:#bcd6ff;top:-80px;right:-60px}
.hero-orb.b{width:360px;height:360px;background:#aee9f3;bottom:-40px;left:-40px;opacity:.5}
.hero-content{position:relative;z-index:3;max-width:680px;margin-left:clamp(24px,4vw,120px);padding-right:24px}
.hero h1{font-size:clamp(34px,6vw,66px);font-weight:900;line-height:1.08;letter-spacing:1px;margin:10px 0 18px;color:var(--txt)}
.hero .slogan{font-size:clamp(18px,2.4vw,26px);color:var(--brand);font-weight:700;margin-bottom:6px}
.hero .sub-en{color:var(--brand2);font-size:15px;letter-spacing:1px;margin-bottom:22px;font-weight:600}
.hero .desc{color:var(--txt2);font-size:16px;max-width:760px;margin-bottom:28px}
.hero-locations{color:var(--txt3);font-size:14px;letter-spacing:2px;margin-bottom:30px;font-weight:600}
.hero-locations::before{content:"📍 ";filter:grayscale(.3)}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.three-cores{display:flex;gap:10px;margin-top:36px;flex-wrap:wrap}
.three-cores span{font-size:13px;color:var(--brand);border:1px solid var(--line2);padding:7px 16px;border-radius:30px;background:#fff;font-weight:600}
.scroll-cue{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:3;color:var(--txt3);font-size:12px;letter-spacing:2px;text-align:center}
.scroll-cue::after{content:"";display:block;width:1px;height:34px;margin:8px auto 0;background:linear-gradient(var(--brand),transparent);animation:cue 1.8s infinite}
@keyframes cue{0%{opacity:0;transform:translateY(-6px)}50%{opacity:1}100%{opacity:0;transform:translateY(8px)}}
.stats{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stats-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;padding:50px 0}
.stat{text-align:center;position:relative}
.stat:not(:last-child)::after{content:"";position:absolute;right:0;top:20%;height:60%;width:1px;background:var(--line2)}
.stat .num{font-size:clamp(28px,3.6vw,46px);font-weight:900;color:var(--brand);line-height:1}
.stat .lbl{color:var(--txt2);font-size:13px;margin-top:8px}
.grid{display:grid;gap:22px}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r2);padding:28px;transition:.3s;position:relative;overflow:hidden;box-shadow:var(--shadow)}
.card:hover{border-color:var(--line2);transform:translateY(-4px);box-shadow:var(--shadow2)}
.card .ic{width:48px;height:48px;border-radius:12px;background:rgba(21,101,255,.1);display:grid;place-items:center;color:var(--brand);font-size:22px;margin-bottom:16px;border:1px solid var(--line2)}
.card h3{font-size:18px;margin-bottom:8px}
.card p{color:var(--txt2);font-size:14px}
.core-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r2);padding:30px;position:relative;overflow:hidden;transition:.3s;box-shadow:var(--shadow)}
.core-card::before{content:"";position:absolute;inset:0;background:var(--brand);opacity:0;transition:.3s}
.core-card:hover::before{opacity:.05}
.core-card:hover{transform:translateY(-4px);box-shadow:var(--shadow2)}
.core-card .cnum{font-size:14px;color:var(--brand);font-weight:700;letter-spacing:2px}
.core-card h3{font-size:20px;margin:10px 0}
.core-card p{color:var(--txt2);font-size:14px;position:relative;z-index:1}
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:46px;align-items:center}
.img-frame{border-radius:var(--r2);overflow:hidden;border:1px solid var(--line2);box-shadow:var(--shadow2);position:relative}
.img-frame img{width:100%;height:340px;object-fit:cover}
.img-frame .tag{position:absolute;left:16px;bottom:16px;background:rgba(255,255,255,.9);backdrop-filter:blur(8px);padding:8px 14px;border-radius:10px;font-size:12px;color:var(--brand);border:1px solid var(--line2);font-weight:600}
.sub-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r2);padding:30px;transition:.3s;box-shadow:var(--shadow)}
.sub-card:hover{border-color:var(--line2);transform:translateY(-4px);box-shadow:var(--shadow2)}
.sub-card .sname{font-size:20px;font-weight:800}
.sub-card .sen{color:var(--brand);font-size:13px;margin-bottom:16px}
.sub-card .sfunc{color:var(--txt2);font-size:14px;margin-bottom:14px}
.sub-card .sadv{color:var(--txt);font-size:14px;padding:14px 16px;background:rgba(21,101,255,.06);border-left:3px solid var(--brand);border-radius:0 10px 10px 0}
.sub-metrics{display:flex;gap:18px;margin-top:20px;flex-wrap:wrap}
.sub-metrics .m .v{font-size:22px;font-weight:800;color:var(--brand)}
.sub-metrics .m .l{font-size:12px;color:var(--txt3)}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.metric{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:26px;text-align:center;transition:.3s;box-shadow:var(--shadow);min-width:0}
.metric:hover{border-color:var(--brand);transform:translateY(-4px);box-shadow:var(--shadow2)}
.metric .mv{font-size:clamp(28px,3vw,40px);font-weight:900;color:var(--brand);line-height:1}
.metric .ml{color:var(--txt);font-size:14px;font-weight:600;margin:10px 0 8px}
.metric .md{color:var(--txt3);font-size:12px}
.cycle{display:flex;align-items:center;justify-content:center;gap:24px;margin:40px 0;flex-wrap:wrap}
.cycle .box{background:var(--panel);border:1px solid var(--line2);border-radius:var(--r);padding:18px 30px;text-align:center;box-shadow:var(--shadow)}
.cycle .box .v{font-size:26px;font-weight:800;color:var(--brand)}
.cycle .box .l{font-size:12px;color:var(--txt3)}
.cycle .arrow{font-size:30px;color:var(--brand)}
.tech-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.tech{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:20px;transition:.3s;position:relative;box-shadow:var(--shadow);min-width:0}
.tech:hover{border-color:var(--brand2);transform:translateY(-3px);box-shadow:var(--shadow2)}
.tech .tnum{position:absolute;top:14px;right:16px;font-size:30px;font-weight:900;color:rgba(21,101,255,.14)}
.tech h4{font-size:15px;margin-bottom:8px;color:var(--txt)}
.tech p{color:var(--txt2);font-size:12.5px}
.pod-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r2);overflow:hidden;box-shadow:var(--shadow)}
.pod-card .phead{padding:18px 24px;background:var(--panel2);border-bottom:1px solid var(--line);font-weight:700;color:var(--brand)}
.pod-item{padding:22px 24px;border-bottom:1px solid var(--line)}
.pod-item:last-child{border-bottom:none}
.pod-item .t{font-weight:700;margin-bottom:6px}
.pod-item .d{color:var(--txt2);font-size:14px}
.liquid-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r2);overflow:hidden;transition:.3s;box-shadow:var(--shadow)}
.liquid-card:hover{border-color:var(--brand2);box-shadow:var(--shadow2)}
.liquid-card .ltag{color:var(--brand);font-size:12px;letter-spacing:2px;font-weight:700;padding:22px 24px 0}
.liquid-card .lnum-img{height:200px;overflow:hidden;background:var(--panel2)}
.liquid-card .lnum-img img{width:100%;height:100%;object-fit:cover}
.liquid-card .lbody{padding:0 24px 24px}
.liquid-card h3{font-size:18px;margin:8px 0}
.liquid-card .ldesc{color:var(--txt2);font-size:13.5px;margin-bottom:18px}
.specs{display:flex;gap:20px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:16px}
.specs .s .sv{font-size:20px;font-weight:800;color:var(--brand)}
.specs .s .sl{font-size:11px;color:var(--txt3)}
.stack{display:flex;flex-direction:column;gap:10px;max-width:840px;margin:0 auto}
.layer{display:grid;grid-template-columns:80px 1fr;gap:0;border-radius:var(--r);overflow:hidden;border:1px solid var(--line);background:var(--panel);transition:.3s;box-shadow:var(--shadow)}
.layer:hover{border-color:var(--brand2)}
.layer .llv{display:grid;place-items:center;font-weight:900;font-size:22px;color:#fff;background:var(--brand)}
.layer .lbody{padding:18px 24px}
.layer .lbody h4{font-size:16px;color:var(--brand)}
.layer .lbody p{color:var(--txt2);font-size:13.5px;margin-top:4px}
.module-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.module{background:var(--panel);border:1px solid var(--line);border-radius:var(--r2);overflow:hidden;transition:.3s;box-shadow:var(--shadow)}
.module:hover{border-color:var(--brand2);transform:translateY(-4px);box-shadow:var(--shadow2)}
.module .mimg{height:170px;overflow:hidden;position:relative}
.module .mimg img{width:100%;height:100%;object-fit:cover;transition:.4s}
.module:hover .mimg img{transform:scale(1.06)}
.module .mimg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(255,255,255,.5))}
.module .mbody{padding:20px}
.module .mname{font-size:17px;font-weight:700}
.module .men{font-size:12px;color:var(--brand);margin-bottom:8px}
.module .msub{color:var(--txt2);font-size:12.5px}
.cdu-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.cdu{background:var(--panel);border:1px solid var(--line);border-radius:var(--r2);overflow:hidden;transition:.3s;display:flex;flex-direction:column;box-shadow:var(--shadow)}
.cdu:hover{border-color:var(--brand2);transform:translateY(-4px);box-shadow:var(--shadow2)}
.cdu .cimg{height:380px;overflow:hidden;background:var(--panel2)}
.cdu .cimg img{width:100%;height:100%;object-fit:contain}
.cdu .cbody{padding:22px;flex:1;display:flex;flex-direction:column}
.cdu .crange{font-size:13px;color:var(--brand);font-weight:700;margin-bottom:8px}
.cdu .cname{font-size:17px;font-weight:700;margin-bottom:8px}
.cdu .cdesc{color:var(--txt2);font-size:13.5px}
.deliver{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.deliver .stat-big{text-align:center;background:var(--panel);border:1px solid var(--line);border-radius:var(--r2);padding:36px 20px;box-shadow:var(--shadow)}
.deliver .stat-big .v{font-size:clamp(30px,4vw,52px);font-weight:900;color:var(--brand)}
.deliver .stat-big .l{color:var(--txt2);font-size:14px;margin-top:6px}
.dcases{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:34px}
.dcase{background:var(--panel);border:1px solid var(--line);border-radius:var(--r2);padding:26px;border-left:3px solid var(--brand);box-shadow:var(--shadow)}
.dcase .dt{font-weight:700;margin-bottom:8px;color:var(--txt)}
.dcase .dd{color:var(--txt2);font-size:13.5px}
.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.case{background:var(--panel);border:1px solid var(--line);border-radius:var(--r2);overflow:hidden;transition:.3s;display:flex;flex-direction:column;box-shadow:var(--shadow)}
.case:hover{border-color:var(--brand2);transform:translateY(-4px);box-shadow:var(--shadow2)}
.case .cimg{height:230px;overflow:hidden;position:relative}
.case .cimg img{width:100%;height:100%;object-fit:cover;transition:.5s}
.case:hover .cimg img{transform:scale(1.05)}
.case .cimg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 30%,rgba(255,255,255,.4))}
.case .ctag{position:absolute;left:18px;top:18px;z-index:2;font-size:11px;letter-spacing:1.5px;color:var(--brand);background:rgba(255,255,255,.9);backdrop-filter:blur(6px);padding:6px 12px;border-radius:20px;border:1px solid var(--line2);font-weight:600}
.case .cbody{padding:24px;flex:1;display:flex;flex-direction:column}
.case .ctitle{font-size:19px;font-weight:800;margin-bottom:4px}
.case .csub{color:var(--brand);font-size:13px;margin-bottom:12px}
.case .cdesc{color:var(--txt2);font-size:13.5px;margin-bottom:18px;flex:1}
.case-metrics{display:flex;gap:16px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:16px}
.case-metrics .cm .v{font-size:18px;font-weight:800;color:var(--brand)}
.case-metrics .cm .l{font-size:11px;color:var(--txt3)}
.team-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.member{background:var(--panel);border:1px solid var(--line);border-radius:var(--r2);padding:30px;text-align:center;transition:.3s;box-shadow:var(--shadow)}
.member:hover{border-color:var(--brand2);transform:translateY(-4px);box-shadow:var(--shadow2)}
.member .avatar{width:110px;height:110px;border-radius:50%;margin:0 auto 16px;background:var(--brand);display:grid;place-items:center;font-size:38px;font-weight:900;color:#fff;overflow:hidden;border:4px solid #fff;box-shadow:0 6px 20px rgba(21,101,255,.3)}
.member .avatar{position:relative}.member .avatar img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:2}.member .avatar .av-init{position:relative;z-index:1}
.member .mname{font-size:19px;font-weight:800}
.member .mrole{color:var(--brand);font-size:13px;margin:6px 0 12px}
.member .mtags{color:var(--txt2);font-size:13px;line-height:1.6}
.eco{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center}
.eco-img{border-radius:var(--r2);overflow:hidden;border:1px solid var(--line2);box-shadow:var(--shadow2)}
.eco-img img{width:100%}
.eco-pts{display:grid;gap:18px}
.eco-pt{display:flex;gap:16px;align-items:flex-start}
.eco-pt .n{width:42px;height:42px;border-radius:10px;background:rgba(21,101,255,.1);border:1px solid var(--line2);display:grid;place-items:center;color:var(--brand);font-weight:800;flex-shrink:0}
.eco-pt h4{font-size:16px;margin-bottom:4px}
.eco-pt p{color:var(--txt2);font-size:13.5px}
.page-banner{position:relative;padding:calc(var(--nav-h) + 70px) 0 50px;overflow:hidden;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#fff,var(--bg))}
.page-banner .pb-bg{position:absolute;inset:0;z-index:0}
.page-banner .pb-bg img{width:100%;height:100%;object-fit:cover;opacity:.14}
.page-banner .pb-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(245,247,251,.55),var(--bg))}
.page-banner .wrap{position:relative;z-index:2}
.page-banner .eyebrow{font-size:12px}
.page-banner h1{font-size:clamp(28px,4.5vw,46px);font-weight:900;margin:10px 0 12px;line-height:1.15;color:var(--txt)}
.page-banner .pb-sub{color:var(--txt2);font-size:16px;max-width:680px}
.breadcrumb{font-size:13px;color:var(--txt3);margin-bottom:18px;display:flex;gap:8px;align-items:center}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{opacity:.5}
.feature{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center}
.feature-img{border-radius:var(--r2);overflow:hidden;border:1px solid var(--line2);box-shadow:var(--shadow2)}
.feature-img img{width:100%;height:320px;object-fit:cover;transition:.5s}
.feature:hover .feature-img img{transform:scale(1.04)}
.feature h3{font-size:24px;margin-bottom:14px}
.feature p{color:var(--txt2);font-size:15px;margin-bottom:20px}
.feature .mini-stats{display:flex;gap:26px;flex-wrap:wrap;margin-bottom:22px}
.feature .mini-stats .ms .v{font-size:28px;font-weight:900;color:var(--brand)}
.feature .mini-stats .ms .l{font-size:12px;color:var(--txt3)}
.link-more{display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-weight:700;font-size:14px;transition:.2s}
.link-more:hover{gap:12px}
.home-cases{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cta-band{background:var(--brand);border-radius:var(--r2);padding:54px;text-align:center;color:#fff;position:relative;overflow:hidden;box-shadow:var(--shadow2)}
.cta-band h2{font-size:clamp(24px,3.5vw,36px);font-weight:900;margin-bottom:12px}
.cta-band p{font-size:16px;margin-bottom:24px;opacity:.92}
.cta-band .btn-primary{background:#fff;color:var(--brand);box-shadow:0 8px 24px rgba(0,0,0,.18)}
.section--alt{background:var(--bg2)}
.contact-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:46px}
.offices{display:grid;gap:16px;margin-top:26px}
.office{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:22px;display:flex;align-items:center;gap:16px;box-shadow:var(--shadow)}
.office .oi{font-size:24px}
.office .oc{font-weight:700}
.office .od{color:var(--txt2);font-size:13px}
.office .or{color:var(--brand);font-size:12px;margin-top:2px}
.form{background:var(--panel);border:1px solid var(--line);border-radius:var(--r2);padding:32px;box-shadow:var(--shadow)}
.form h3{font-size:20px;margin-bottom:20px}
.form .field{margin-bottom:16px}
.form label{display:block;font-size:13px;color:var(--txt2);margin-bottom:6px}
.form input,.form textarea{width:100%;background:var(--bg);border:1px solid var(--line2);border-radius:10px;padding:12px 14px;color:var(--txt);font-size:14px;font-family:inherit;transition:.2s}
.form input:focus,.form textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(21,101,255,.12)}
.form textarea{resize:vertical;min-height:90px}
.footer{background:#eaeef4;border-top:1px solid var(--line2);padding:18px 0}
.footer .fbrand{font-weight:800;font-size:15px;color:var(--txt)}
.footer .fslogan{color:var(--brand);font-size:13px;letter-spacing:1px;font-weight:600}
.footer .frights{color:var(--txt3);font-size:13px}
.footer-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px}
.reveal{opacity:0;transform:translateY(30px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
[data-tilt]{transform-style:preserve-3d;transition:transform .15s ease-out;will-change:transform}
.cube-stage{height:320px;display:grid;place-items:center;perspective:1000px;margin:10px auto}
.cube3d{position:relative;width:150px;height:150px;transform-style:preserve-3d;animation:spin3d 16s linear infinite}
.cube3d .face{position:absolute;width:150px;height:150px;border:1.5px solid rgba(21,101,255,.45);background:rgba(21,101,255,.05);border-radius:14px;display:grid;place-items:center;font-weight:800;font-size:15px;color:var(--brand)}
.cube3d .f1{transform:rotateY(0deg) translateZ(75px)}
.cube3d .f2{transform:rotateY(90deg) translateZ(75px)}
.cube3d .f3{transform:rotateY(180deg) translateZ(75px)}
.cube3d .f4{transform:rotateY(-90deg) translateZ(75px)}
.cube3d .f5{transform:rotateX(90deg) translateZ(75px)}
.cube3d .f6{transform:rotateX(-90deg) translateZ(75px)}
@keyframes spin3d{from{transform:rotateX(-20deg) rotateY(0deg)}to{transform:rotateX(-20deg) rotateY(360deg)}}
@media(max-width:1024px){
  .g4,.module-grid,.metric-grid,.stats-grid{grid-template-columns:repeat(3,1fr)}
  .tech-grid{grid-template-columns:repeat(3,1fr)}
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .nav-links.open{display:flex;position:absolute;top:var(--nav-h);left:0;right:0;flex-direction:column;background:rgba(255,255,255,.98);padding:14px 24px;gap:2px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
  .nav-links.open a{padding:12px}
  .split,.eco,.contact-grid{grid-template-columns:1fr}
}
@media(max-width:760px){
  #hero3d{left:0;right:0;width:100%;opacity:.45}
  .section{padding:60px 0}
  .g3,.g4,.g2,.module-grid,.cdu-grid,.case-grid,.metric-grid,.stats-grid,.tech-grid,.deliver,.dcases,.team-grid,.home-cases,.feature{grid-template-columns:1fr}
  .stat:not(:last-child)::after{display:none}
  .hero h1{font-size:32px}
  .cycle{gap:12px}
  .layer{grid-template-columns:60px 1fr}
}

/* ===== BACK TO TOP ===== */
.back-top{position:fixed;right:20px;bottom:20px;width:44px;height:44px;border-radius:14px;background:#fff;border:1px solid var(--line2);color:var(--brand);cursor:pointer;display:grid;place-items:center;box-shadow:0 6px 18px rgba(20,45,95,.14);opacity:0;visibility:hidden;transform:translateY(18px) scale(.9);transition:opacity .3s,transform .3s,background .2s,color .2s;z-index:90}
.back-top svg{width:20px;height:20px}
.back-top.show{opacity:1;visibility:visible;transform:none}
.back-top:hover{background:var(--brand);color:#fff;border-color:transparent;transform:translateY(-3px);box-shadow:0 10px 24px rgba(21,101,255,.4)}
/* ===== MOBILE NAV FIX ===== */
@media(max-width:760px){
  #navContact{display:none}
  .nav{background:rgba(255,255,255,.98)}
  .brand{font-size:15px}
  .nav-inner{gap:10px}
  .hero-content{margin-left:24px;margin-right:24px;max-width:none}
}
/* ===== TOAST (form submit feedback) ===== */
.toast{position:fixed;left:50%;top:calc(var(--nav-h) + 28px);transform:translateX(-50%) translateY(-24px);background:#fff;color:var(--txt);border:1px solid var(--line2);padding:12px 22px 12px 16px;border-radius:30px;display:flex;align-items:center;gap:11px;font-size:14px;font-weight:600;box-shadow:0 12px 34px rgba(20,45,95,.18);opacity:0;visibility:hidden;transition:opacity .3s,transform .3s;z-index:200;max-width:90vw}
.toast.show{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.toast-ic{width:24px;height:24px;border-radius:50%;background:var(--brand);color:#fff;display:grid;place-items:center;flex-shrink:0}
.toast-ic svg{width:14px;height:14px}
/* ===== GLOBE STAGE ===== */
.globe-stage{position:relative;height:460px;display:grid;place-items:center;overflow:hidden;margin:10px 0}
#globe3d,#net3d{position:absolute;inset:0;width:100%;height:100%;display:block}
.globe-wrap{position:relative;z-index:2;text-align:center;pointer-events:none}
.globe-wrap .gw-title{font-size:clamp(22px,3vw,34px);font-weight:800;color:var(--txt)}
.globe-wrap .gw-sub{color:var(--txt2);font-size:15px;margin-top:8px}
@media(max-width:760px){.globe-stage{height:340px}}

.metric .mv,.metric .ml,.metric .md,.tech h4,.tech p{overflow-wrap:anywhere;word-break:break-word}