html.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
html.js .reveal.in{opacity:1;transform:none}
:root{
  --navy-950:#071827;
  --navy-900:#0a1f36;
  --navy-800:#10304f;
  --ink:#0e2a45;
  --slate:#50657d;
  --mist:#eef3f9;
  --line:#dde6f0;
  --white:#fff;
  --orange:#ff8a1e;
  --orange-deep:#f26b12;
  --blue:#2f7cf6;
  --cyan:#2ec8e0;
  --green:#16a56b;
  --red:#e5484d;
  --shadow-sm:0 2px 10px rgba(10,31,54,.06);
  --shadow-md:0 16px 45px rgba(10,31,54,.12);
  --shadow-lg:0 28px 80px rgba(6,20,38,.28);
  --grad:linear-gradient(135deg,var(--navy-900),#123a63 55%,#0d4d72);
  --grad-tech:linear-gradient(90deg,#27a7ff,#28d0e0);
  --grad-cta:linear-gradient(135deg,#ff8a1e,#ffb020);
  --radius-lg:22px;
  --radius-md:16px;
  --radius-sm:12px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);color:var(--ink);background:#f7fafd;line-height:1.6;overflow-x:hidden}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
ul{list-style:none}
::selection{background:rgba(47,124,246,.22)}

.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:92px 0;position:relative}
.sec-head{max-width:760px;margin-bottom:46px}
.sec-eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.24em;text-transform:uppercase;margin-bottom:14px}
.sec-eyebrow::before{content:"";width:22px;height:2px;background:var(--grad-tech);border-radius:2px}
.sec-title{font-size:clamp(26px,3.6vw,40px);font-weight:900;line-height:1.22;letter-spacing:-.01em;color:var(--navy-900)}
.sec-title em{font-style:normal;background:linear-gradient(120deg,var(--orange),#ffb347);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.sec-sub{color:var(--slate);margin-top:14px;font-size:15px;line-height:1.9}
.center{text-align:center}
.center .sec-eyebrow::before,.center .sec-eyebrow::after{content:"";width:22px;height:2px;background:var(--grad-tech)}
.center .sec-eyebrow::after{margin-left:9px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;cursor:pointer;border-radius:999px;padding:13px 26px;font-weight:700;font-size:15px;transition:.25s ease;line-height:1.2}
.btn svg{width:16px;height:16px;flex:none}
.btn-primary{background:var(--grad-cta);color:#fff;box-shadow:0 10px 24px rgba(255,138,30,.30)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(255,138,30,.38)}
.btn-ghost{border:1px solid rgba(255,255,255,.28);color:#fff;background:rgba(255,255,255,.04);backdrop-filter:blur(8px)}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.5)}
.btn-dark{background:var(--navy-900);color:#fff}
.btn-dark:hover{background:var(--navy-800)}
.chip{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:7px 14px;font-size:12px;font-weight:600;background:#fff;border:1px solid var(--line);color:var(--slate)}
.chip b{color:var(--navy-900)}
.dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px rgba(22,165,107,.16);flex:none}
.glass{background:rgba(255,255,255,.86);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border:1px solid rgba(255,255,255,.7)}

/* ===== top bar ===== */
.topbar{background:var(--navy-950);color:rgba(255,255,255,.76);font-size:12px}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;min-height:38px;gap:16px}
.topbar-left{display:flex;align-items:center;gap:8px;overflow:hidden;white-space:nowrap}
.topbar-left .pulse{width:6px;height:6px;border-radius:50%;background:#34d399;flex:none;animation:blink 1.8s infinite}
.topbar-right{display:flex;gap:16px;white-space:nowrap}
.topbar a:hover{color:#fff}
@keyframes blink{0%,100%{opacity:1;box-shadow:0 0 0 0 rgba(52,211,153,.5)}50%{opacity:.65;box-shadow:0 0 0 5px rgba(52,211,153,0)}}

/* ===== header ===== */
header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.9);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid transparent;transition:.3s}
header.scrolled{box-shadow:0 10px 34px rgba(8,26,46,.10);border-bottom-color:var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:76px;gap:22px}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand-logo{width:44px;height:44px;flex:none;border-radius:13px;background:var(--grad);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;box-shadow:0 8px 18px rgba(10,31,54,.22)}
.brand .brand-img{display:block;height:44px;width:auto;max-width:150px;flex:none}
.foot-logo .brand-img{display:block;height:40px;width:auto;max-width:170px}
.brand-logo svg{width:100%;height:100%}
.brand-name{line-height:1.2}
.brand-name b{font-size:20px;font-weight:900;letter-spacing:.05em;color:var(--navy-900);white-space:nowrap}
.brand-name span{display:block;font-size:9px;letter-spacing:.32em;color:var(--slate);font-weight:700;margin-top:1px;white-space:nowrap}
nav.main{display:flex;gap:5px}
nav.main a{padding:9px 13px;font-size:14px;font-weight:600;color:#33475f;border-radius:10px;transition:.2s;white-space:nowrap}
nav.main a:hover{color:var(--navy-900);background:#eef4fb}
.nav-cta{display:flex;align-items:center;gap:10px}
.nav-cta .btn{padding:11px 22px;font-size:14px}
.burger{display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:11px;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.burger i{width:19px;height:2px;background:var(--navy-900);border-radius:2px;transition:.3s}
.burger.active i:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.active i:nth-child(2){opacity:0}
.burger.active i:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
/* 移动抽屉菜单：始终置于浮层并默认隐藏（避免桌面端出现重复导航条） */
.mobile-nav{position:fixed;inset:0;background:rgba(6,18,32,.42);backdrop-filter:blur(3px);z-index:75;opacity:0;pointer-events:none;transition:.3s}
.mobile-nav.open{opacity:1;pointer-events:auto}
.mobile-nav .panel{position:absolute;top:0;right:0;bottom:0;width:min(360px,86vw);background:#fff;padding:92px 28px 32px;box-shadow:var(--shadow-lg);transform:translateX(100%);transition:.3s ease}
.mobile-nav.open .panel{transform:none}
.mobile-nav a{display:block;padding:14px 8px;font-size:16px;font-weight:700;color:var(--ink);border-bottom:1px solid var(--line)}
.mobile-nav a:hover{color:var(--blue)}
.mobile-nav .btn{margin-top:20px;width:100%}

/* ===== hero ===== */
.hero{position:relative;color:#fff;background:var(--navy-950);overflow:hidden;isolation:isolate}
.hero-bg{position:absolute;inset:0;z-index:-2}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.24}
.hero-bg::after{content:"";position:absolute;inset:0;background:
  linear-gradient(115deg,rgba(7,24,39,.94) 18%,rgba(10,31,54,.72) 56%,rgba(8,35,58,.42) 100%)}
.grid-lines{position:absolute;inset:0;z-index:-1;opacity:.55;background-image:linear-gradient(rgba(82,176,255,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(82,176,255,.09) 1px,transparent 1px);background-size:64px 64px;mask-image:radial-gradient(ellipse at 28% 42%,#000 10%,transparent 72%)}
.hero-glow{position:absolute;border-radius:50%;filter:blur(90px);opacity:.32;z-index:-1}
.hero-glow.g1{width:560px;height:560px;background:#2f7cf6;top:-180px;left:-140px}
.hero-glow.g2{width:480px;height:480px;background:#0ea5c4;right:-120px;bottom:-180px}
.hero-inner{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;padding-top:72px;padding-bottom:120px}
.hero-copy{max-width:660px}
.hero-badge{display:inline-flex;align-items:center;gap:10px;border:1px solid rgba(116,201,255,.26);background:rgba(24,94,163,.18);border-radius:999px;padding:8px 15px;font-size:12px;letter-spacing:.15em;color:#9dd9ff;margin-bottom:24px}
.hero-badge .dot{width:7px;height:7px;background:#37e0a5;box-shadow:0 0 0 4px rgba(55,224,165,.16)}
.hero h1{font-size:clamp(36px,5.2vw,60px);line-height:1.14;font-weight:900;letter-spacing:-.02em}
.hero h1 .grad-text{background:linear-gradient(100deg,#41a8ff 0%,#37e6ee 55%,#ffc05a 120%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero h1 .block{display:block}
.hero-sub{margin-top:22px;font-size:16px;line-height:2;color:rgba(235,244,255,.84);max-width:600px}
.hero-sub strong{color:#fff}
.hero-cta{display:flex;flex-wrap:wrap;gap:13px;margin-top:30px}
.hero-note{margin-top:18px;font-size:12px;color:rgba(235,244,255,.55)}
.hero-note a{color:#79c3ff;text-decoration:underline;text-underline-offset:3px}
.hero-metrics{display:grid;grid-template-columns:repeat(4,auto);justify-content:start;gap:34px;margin-top:42px;padding-top:28px;border-top:1px solid rgba(255,255,255,.13)}
.hero-metrics .num{font-size:clamp(22px,2.4vw,30px);font-weight:900;letter-spacing:-.01em}
.hero-metrics .num small{font-size:13px;color:#ffc158;margin-left:2px}
.hero-metrics .lbl{font-size:12px;color:rgba(235,244,255,.62);margin-top:2px}

/* hero console */
.hero-console{position:relative}
.console-card{border-radius:24px;background:rgba(13,39,66,.72);border:1px solid rgba(120,190,255,.22);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);box-shadow:var(--shadow-lg);overflow:hidden;transform:rotate(1.2deg)}
.console-head{display:flex;align-items:center;justify-content:space-between;padding:15px 19px;border-bottom:1px solid rgba(120,190,255,.14);background:rgba(255,255,255,.03)}
.console-head .ttl{display:flex;align-items:center;gap:9px;font-size:13px;font-weight:700}
.console-head .ttl svg{width:15px;height:15px;color:#42dcae}
.console-head .live{display:flex;align-items:center;gap:7px;font-size:11px;color:#a8e6ff}
.console-head .live .dot{background:#42dcae;box-shadow:0 0 0 4px rgba(66,220,174,.14)}
.console-map{position:relative;height:238px;background:radial-gradient(120% 140% at 15% 10%,rgba(47,124,246,.22),transparent 55%),linear-gradient(160deg,#0b2a48,#071b30);overflow:hidden}
.console-map .grid{position:absolute;inset:0;opacity:.35;background-image:linear-gradient(rgba(104,190,255,.12) 1px,transparent 1px),linear-gradient(90deg,rgba(104,190,255,.12) 1px,transparent 1px);background-size:26px 26px}
.route{position:absolute;inset:14% 6% 14% 9%}
.route svg{width:100%;height:100%;overflow:visible}
.route .main-line{fill:none;stroke:url(#routeGrad);stroke-width:3;stroke-linecap:round;stroke-dasharray:9 10;animation:dash 2.4s linear infinite}
.route .dash-line{fill:none;stroke:rgba(122,208,255,.35);stroke-width:1.5;stroke-dasharray:4 7}
.route .node{fill:#071b30;stroke:#51aefb;stroke-width:2}
.route .node.hl{fill:#ff8a1e;stroke:#ffd9a8}
.route .car{offset-path:path("M52 132 C 132 34, 244 44, 346 122");animation:carMove 8s ease-in-out infinite}
.route .car circle{fill:#fff;stroke:#ff8a1e;stroke-width:2.5}
.route .car path{fill:none;stroke:#ff8a1e;stroke-width:2}
@keyframes dash{to{stroke-dashoffset:-38}}
@keyframes carMove{0%{offset-distance:0%}100%{offset-distance:100%}}
.console-map .map-chip{position:absolute;font-size:11px;font-weight:700;letter-spacing:.06em;color:#bcdfff;background:rgba(4,16,29,.56);border:1px solid rgba(108,187,255,.26);padding:6px 10px;border-radius:8px}
.map-chip.c1{left:12px;top:14px}
.map-chip.c2{right:12px;top:30px}
.map-chip.c3{right:8px;bottom:14px}
.map-chip b{color:#ffcf7a}
.console-body{padding:16px 19px 19px;display:grid;gap:11px}
.route-row{display:flex;align-items:center;gap:12px;background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.07);border-radius:13px;padding:11px 13px}
.route-row .icon{width:34px;height:34px;border-radius:10px;flex:none;display:flex;align-items:center;justify-content:center;background:rgba(47,124,246,.18);color:#6fc1ff}
.route-row .icon svg{width:17px;height:17px}
.route-row .from,.route-row .to{font-size:12px;color:#9fc4e6}
.route-row .middle{display:flex;align-items:center;flex:1;padding:0 6px}
.route-row .linebar{height:2px;background:rgba(115,188,255,.35);flex:1;position:relative;overflow:visible}
.route-row .linebar::after{content:"";position:absolute;inset:0;width:46%;background:var(--grad-tech);animation:flow 2.2s ease-in-out infinite}
.route-row .plane{color:#ffb957}
@keyframes flow{0%{width:12%}55%{width:64%}100%{width:64%}}
.console-meta{display:grid;grid-template-columns:1fr 1fr;gap:9px;font-size:11px;color:#9fc4e6}
.console-meta div{display:flex;gap:7px;align-items:center;background:rgba(255,255,255,.035);border-radius:10px;padding:8px 11px}
.console-meta b{color:#e6f3ff;font-weight:600}
.console-meta svg{width:13px;height:13px;color:#5eb3ff;flex:none}
.floating-chip{position:absolute;z-index:2;display:flex;align-items:center;gap:9px;border-radius:15px;padding:10px 14px;box-shadow:var(--shadow-md)}
.floating-chip svg{width:19px;height:19px}
.fc1{left:-26px;top:70px;animation:floaty 5s ease-in-out infinite}
.fc1 svg{color:var(--green)}
.fc2{right:-18px;bottom:24px;animation:floaty 6s ease-in-out 1.2s infinite}
.fc2 svg{color:var(--blue)}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}

/* hero bottom scroller */
.marquee-zone{position:absolute;bottom:0;left:0;right:0;border-top:1px solid rgba(255,255,255,.08);background:rgba(5,17,30,.55);backdrop-filter:blur(10px);z-index:5}
.marquee{display:flex;overflow:hidden;white-space:nowrap;padding:13px 0;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee-track{display:flex;animation:slide 30s linear infinite;font-size:12px;color:rgba(235,244,255,.74);letter-spacing:.14em}
.marquee-track span{display:flex;align-items:center;gap:42px;padding-right:42px}
.marquee-track i{font-style:normal;color:#ffc158}
@keyframes slide{to{transform:translateX(-50%)}}

/* ===== stats strip ===== */
.stats-band{background:#fff;border-bottom:1px solid var(--line)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat-cell{padding:34px 18px;text-align:center;border-right:1px solid var(--line);position:relative}
.stat-cell:last-child{border-right:0}
.stat-cell .num{font-size:clamp(28px,3vw,42px);font-weight:900;color:var(--navy-900);letter-spacing:-.02em}
.stat-cell .num sup{font-size:16px;color:var(--orange);font-weight:800;top:-.8em}
.stat-cell .desc{color:var(--slate);font-size:13px;margin-top:4px}
.stat-cell::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:0;height:3px;background:var(--grad-tech);transition:.35s}
.stat-cell:hover::before{width:70%}

/* ===== smart capabilities ===== */
.smart{background:#fff}
.smart-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.smart-card{position:relative;border:1px solid var(--line);border-radius:var(--radius-md);padding:28px 24px;background:#fff;overflow:hidden;transition:.3s ease}
.smart-card::before{content:"";position:absolute;inset:auto 0 0 0;height:3px;background:var(--grad-tech);opacity:0;transition:.3s}
.smart-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:#cfe0f2}
.smart-card:hover::before{opacity:1}
.smart-ic{width:52px;height:52px;border-radius:15px;display:flex;align-items:center;justify-content:center;margin-bottom:18px;position:relative}
.smart-ic svg{width:25px;height:25px}
.smart-ic.i1{background:#e9f3ff;color:#2f7cf6}
.smart-ic.i2{background:#e6fbf3;color:#16a56b}
.smart-ic.i3{background:#fff3e4;color:#ff8a1e}
.smart-ic.i4{background:#e9fbfd;color:#12aec9}
.smart-ic.i5{background:#f1eaff;color:#7c5cf0}
.smart-ic.i6{background:#fff0ef;color:#e5484d}
.smart-card h3{font-size:17px;font-weight:800;margin-bottom:9px}
.smart-card p{font-size:13px;color:var(--slate);line-height:1.85}
.smart-tag{display:inline-block;margin-top:13px;font-size:11px;font-weight:700;color:var(--blue);background:#edf5ff;border-radius:999px;padding:4px 10px}
.smart-banner{margin-top:24px;display:grid;grid-template-columns:1.35fr .65fr;gap:26px;align-items:center;background:var(--grad);border-radius:var(--radius-lg);padding:36px 40px;color:#fff;overflow:hidden;position:relative}
.smart-banner::after{content:"";position:absolute;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(46,200,224,.3),transparent 65%);right:-90px;top:-150px}
.smart-banner h3{font-size:clamp(20px,2.4vw,27px);font-weight:900;line-height:1.4}
.smart-banner h3 em{font-style:normal;color:#ffc158}
.smart-banner p{color:rgba(235,244,255,.78);font-size:14px;margin-top:10px;line-height:1.9;max-width:680px}
.smart-banner .actions{display:flex;gap:12px;justify-content:flex-end;position:relative;z-index:1;flex-wrap:wrap}

/* ===== services ===== */
.services{background:var(--mist)}
.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.svc-card{background:#fff;border:1px solid transparent;border-radius:var(--radius-md);padding:27px 23px;transition:.3s ease;position:relative;overflow:hidden}
.svc-card::after{content:"";position:absolute;width:110px;height:110px;border-radius:50%;right:-46px;top:-46px;background:var(--tint);opacity:.5}
.svc-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:#d8e5f3}
.svc-card.feature{background:var(--navy-900);color:#fff}
.svc-card.feature p{color:rgba(235,244,255,.76)}
.svc-card.feature .svc-kicker{color:#ffc158}
.svc-card.feature .svc-arrow{color:#ffc158;background:rgba(255,193,88,.12)}
.svc-num{font-size:12px;font-weight:800;letter-spacing:.16em;color:var(--blue)}
.svc-ic{width:47px;height:47px;border-radius:13px;background:var(--tint);color:var(--icon);display:flex;align-items:center;justify-content:center;margin:16px 0 15px}
.svc-ic svg{width:22px;height:22px}
.svc-card h3{font-size:17px;font-weight:800}
.svc-card p{font-size:13px;line-height:1.9;color:var(--slate);margin-top:9px}
.svc-meta{display:flex;align-items:center;gap:10px;margin-top:16px;font-size:12px;font-weight:700;color:var(--navy-800)}
.svc-meta .svc-arrow{margin-left:auto;width:26px;height:26px;border-radius:50%;background:rgba(47,124,246,.1);color:var(--blue);display:flex;align-items:center;justify-content:center;font-size:15px;line-height:1;flex:none}
.svc-foot{margin-top:32px;display:flex;flex-wrap:wrap;gap:9px;justify-content:center}

/* ===== process ===== */
.process{background:linear-gradient(180deg,#fff,var(--mist))}
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}
.step{position:relative;padding:0 20px}
.step:not(:last-child)::after{content:"";position:absolute;top:30px;left:calc(50% + 42px);right:calc(-50% + 42px);height:2px;background:repeating-linear-gradient(90deg,#a9c3de 0 8px,transparent 8px 16px);z-index:0}
.step-inner{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:26px 20px;text-align:center;position:relative;z-index:1;transition:.3s;height:100%}
.step-inner:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:#c7dbf0}
.step-num{width:60px;height:60px;margin:0 auto 16px;border-radius:19px;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:900;color:#fff;background:var(--grad);box-shadow:0 10px 24px rgba(10,31,54,.22);position:relative}
.step-num i{position:absolute;inset:-5px;border-radius:22px;border:1px dashed rgba(47,124,246,.45);animation:spin 12s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.step.last .step-num{background:var(--grad-cta);box-shadow:0 10px 24px rgba(255,138,30,.28)}
.step-inner h3{font-size:16px;font-weight:800}
.step-inner p{font-size:12.5px;color:var(--slate);margin-top:7px;line-height:1.8}
.process-note{display:flex;flex-wrap:wrap;gap:18px;justify-content:center;margin-top:42px}

/* ===== facility ===== */
.facility{background:#0a1f36;color:#fff;overflow:hidden}
.facility .sec-title{color:#fff}
.facility .sec-sub{color:rgba(235,244,255,.66)}
.facility .sec-eyebrow{color:#59b6ff}
.photo-grid{display:grid;grid-template-columns:repeat(12,1fr);grid-auto-rows:168px;gap:14px}
.photo{position:relative;border-radius:18px;overflow:hidden;background:#0d2a47;border:1px solid rgba(255,255,255,.08);isolation:isolate}
.photo img{width:100%;height:100%;object-fit:cover;transition:transform .7s ease,opacity .5s}
.photo:hover img{transform:scale(1.06)}
.photo::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 52%,rgba(3,10,18,.82));z-index:1}
.photo-cap{position:absolute;left:16px;bottom:13px;right:16px;z-index:2;display:flex;align-items:center;gap:9px;font-size:13px;font-weight:700}
.photo-cap .idx{font-size:10px;font-weight:800;letter-spacing:.08em;color:#ffc158;border:1px solid rgba(255,193,88,.45);border-radius:999px;padding:2px 9px;flex:none}
.photo-cap small{display:block;font-size:10.5px;color:rgba(235,244,255,.62);font-weight:500;margin-top:1px}
.photo.big{grid-column:span 7;grid-row:span 2}
.photo.w4{grid-column:span 5;grid-row:span 1}
.photo.w3{grid-column:span 4;grid-row:span 1}
.photo.w6{grid-column:span 6;grid-row:span 1}
.facility-side{margin-top:34px;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.facility-side div{background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.09);border-radius:16px;padding:18px 19px}
.facility-side b{display:block;font-size:16px}
.facility-side p{font-size:12px;color:rgba(235,244,255,.66);margin-top:5px}

/* ===== clients ===== */
.clients{background:#fff}
.client-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:8px}
.client-card{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:7px;min-height:112px;padding:20px 14px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;transition:.3s;text-align:center}
.client-card:hover{border-color:#b9d6f5;box-shadow:var(--shadow-md);transform:translateY(-4px)}
.client-card .en{font-size:clamp(13px,1.4vw,17px);font-weight:900;letter-spacing:.04em;color:var(--navy-800);line-height:1.25}
.client-card .zh{font-size:12px;color:var(--slate);font-weight:600}
.client-card .tag{display:none}
.client-note{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:30px;background:#f4f8fd;border:1px solid var(--line);border-radius:var(--radius-md);padding:20px 26px}
.client-note p{font-size:13px;color:var(--slate)}
.client-note p b{color:var(--navy-900)}
.client-note .badge-line{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}

/* ===== tracking ===== */
.tracking{position:relative;background:linear-gradient(150deg,#071827 0%,#0c2c4a 55%,#0c405d 100%);color:#fff;overflow:hidden}
.tracking::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(120,195,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(120,195,255,.07) 1px,transparent 1px);background-size:52px 52px;mask-image:radial-gradient(ellipse at center,#000,transparent 78%)}
.tracking .sec-title{color:#fff}
.tracking .sec-sub{color:rgba(235,244,255,.68)}
.tracking .sec-eyebrow{color:#62c0ff}
.track-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:26px;align-items:stretch}
.track-panel{background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.12);border-radius:24px;padding:30px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.track-panel h3{font-size:22px;font-weight:900;display:flex;gap:10px;align-items:center}
.track-panel h3 svg{width:22px;height:22px;color:#57b9ff}
.track-form{margin-top:22px}
.track-input{display:flex;background:#fff;border-radius:16px;padding:7px;box-shadow:0 14px 34px rgba(0,0,0,.2);gap:8px}
.track-input input{flex:1;min-width:0;border:none;outline:none;padding:12px 10px 12px 17px;font-size:15px;color:var(--navy-900);background:transparent}
.track-input input::placeholder{color:#8ba0b5}
.track-input .btn{border-radius:11px;padding:12px 26px}
.track-hint{display:flex;flex-wrap:wrap;align-items:center;gap:9px;margin-top:13px;font-size:12px;color:rgba(235,244,255,.6)}
.track-hint button{border:1px solid rgba(255,255,255,.18);color:#a9d7ff;background:transparent;border-radius:999px;padding:4px 11px;font-size:11px;cursor:pointer;transition:.2s}
.track-hint button:hover{background:rgba(255,255,255,.1);color:#fff}
.track-tip{display:flex;gap:12px;margin-top:24px;padding:16px;background:rgba(255,255,255,.05);border:1px dashed rgba(255,255,255,.2);border-radius:15px;font-size:12px;color:rgba(235,244,255,.62);line-height:1.8}
.track-tip svg{width:19px;height:19px;flex:none;color:#ffc158}
.track-result{margin-top:18px;display:none}
.track-result.show{display:block;animation:pop .4s ease}
@keyframes pop{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.result-card{background:rgba(255,255,255,.065);border:1px solid rgba(255,255,255,.14);border-radius:19px;overflow:hidden}
.result-head{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;padding:16px 19px;border-bottom:1px solid rgba(255,255,255,.11);background:rgba(255,255,255,.04)}
.result-head .st{display:flex;align-items:center;gap:9px;font-size:14px;font-weight:800}
.result-head .st .icon{width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:rgba(53,216,158,.18);color:#3ee0a5}
.result-head .st .icon svg{width:17px;height:17px}
.result-head .no{font-size:11px;color:#9fc4e6;letter-spacing:.06em}
.result-body{padding:18px 19px}
.progress{display:flex;flex-direction:column;gap:0;position:relative;padding-left:6px}
.p-step{position:relative;display:flex;gap:14px;padding-bottom:20px}
.p-step:last-child{padding-bottom:0}
.p-step::before{content:"";position:absolute;left:13px;top:30px;bottom:-2px;width:2px;background:rgba(255,255,255,.13)}
.p-step.done::before,.p-step.active::before{background:linear-gradient(180deg,#36dc9f,#1f9cef)}
.p-step:last-child::before{display:none}
.p-dot{width:28px;height:28px;border-radius:50%;flex:none;background:#173e63;border:2px solid rgba(255,255,255,.2);display:flex;align-items:center;justify-content:center;color:#7ea4c5;font-size:13px;position:relative;z-index:1}
.p-step.done .p-dot{background:linear-gradient(135deg,#20c98b,#14a069);border-color:transparent;color:#fff}
.p-step.active .p-dot{background:var(--orange);border-color:rgba(255,255,255,.3);color:#fff;box-shadow:0 0 0 6px rgba(255,138,30,.22)}
.p-meta{flex:1;padding-top:1px}
.p-meta b{display:block;font-size:13.5px;color:#eaf6ff}
.p-step.done .p-meta b{color:#9ec9e6}
.p-meta span{font-size:11.5px;color:#86aac8;line-height:1.5;display:block;margin-top:2px}
.result-info{display:grid;grid-template-columns:repeat(2,1fr);gap:9px;margin-top:16px;padding-top:14px;border-top:1px solid rgba(255,255,255,.1)}
.result-info div{display:flex;gap:9px;align-items:flex-start;font-size:11.5px;color:#9fc4e6}
.result-info b{color:#e5f2ff;font-weight:600}
.result-info svg{width:14px;height:14px;color:#5eb3ff;margin-top:1px;flex:none}
.notfound{background:rgba(229,72,77,.1);border:1px solid rgba(255,118,122,.3);border-radius:16px;padding:18px;font-size:13px;line-height:1.9;color:#ffd8d9}
.notfound a{color:#ffc5c7;text-decoration:underline;text-underline-offset:3px}

.track-side{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-content:start}
.t-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:18px;padding:21px}
.t-card.wide{grid-column:1/-1}
.t-card h4{display:flex;align-items:center;gap:9px;font-size:13px;font-weight:800;color:#b9dcff}
.t-card h4 svg{width:16px;height:16px;color:#ffc158}
.t-card p{margin-top:9px;font-size:12px;color:#9fc4e6;line-height:1.85}
.t-card .num{font-size:clamp(24px,2.6vw,34px);font-weight:900;color:#fff;margin-top:8px}
.t-card .num small{font-size:13px;color:#6fc1ff;font-weight:700}
.t-status-list{margin-top:12px;display:grid;gap:8px}
.t-status-list li{display:flex;gap:9px;align-items:center;font-size:12px;color:#b7d6f3}
.t-status-list li .ok{color:#3ee0a5}
.t-status-list li .warn{color:#ffc158}
.t-status-list svg{width:14px;height:14px;flex:none}
.t-chart{display:flex;align-items:end;gap:8px;height:78px;margin-top:15px}
.t-chart i{flex:1;background:linear-gradient(180deg,#38b7ff,#1760c4);border-radius:5px 5px 2px 2px;opacity:.85;transition:.25s}
.t-chart i:hover{opacity:1}

/* ===== contact ===== */
.contact{background:#fff}
.contact-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:22px;align-items:stretch}
.contact-main{background:var(--grad);border-radius:26px;color:#fff;padding:42px;position:relative;overflow:hidden}
.contact-main::after{content:"";position:absolute;right:-110px;top:-130px;width:370px;height:370px;border-radius:50%;border:1px solid rgba(255,255,255,.14);box-shadow:0 0 0 42px rgba(255,255,255,.035),0 0 0 90px rgba(255,255,255,.03)}
.contact-main h3{font-size:clamp(24px,3vw,32px);font-weight:900;line-height:1.35}
.contact-main h3 em{font-style:normal;color:#ffc158}
.contact-cols{display:grid;grid-template-columns:1fr 1fr;gap:24px 28px;margin-top:32px;position:relative;z-index:1}
.c-item .k{font-size:11px;letter-spacing:.16em;color:rgba(235,244,255,.56);font-weight:700}
.c-item .v{font-size:15px;font-weight:700;margin-top:5px;line-height:1.65}
.c-item .v small{display:block;font-weight:500;color:rgba(235,244,255,.68);font-size:12px;margin-top:2px}
.c-item a:hover{color:#ffc158}
.contact-actions{margin-top:30px;display:flex;gap:11px;flex-wrap:wrap;position:relative;z-index:1}
.qr-panel{background:#fff;border:1px solid var(--line);border-radius:26px;padding:28px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;box-shadow:var(--shadow-sm)}
.qr-panel h4{font-size:16px;font-weight:800}
.qr-panel p{font-size:12px;color:var(--slate);margin-top:5px}
.qr-img{width:196px;aspect-ratio:1;border-radius:20px;padding:10px;background:#fff;border:1px solid var(--line);margin:18px 0 4px}
.qr-img img{width:100%;height:100%;object-fit:contain}
.qr-badges{display:flex;gap:8px;margin-top:14px;flex-wrap:wrap;justify-content:center}
.qr-badges span{font-size:11px;font-weight:700;color:var(--green);background:#e9fbf2;border-radius:999px;padding:5px 11px}

/* ===== footer ===== */
footer{background:var(--navy-950);color:rgba(235,244,255,.66);font-size:12px}
.foot-main{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:36px;padding:56px 0 38px}
.foot-brand p{color:rgba(235,244,255,.58);line-height:1.9;margin-top:14px;max-width:330px}
.foot-col h5{color:#fff;font-size:14px;font-weight:800;margin-bottom:16px}
.foot-col li{margin-bottom:9px}
.foot-col a:hover{color:#fff}
.foot-col .icon-txt{display:flex;gap:8px;align-items:flex-start}
.foot-col .icon-txt svg{width:15px;height:15px;color:#62bdff;margin-top:3px;flex:none}
.foot-bottom{border-top:1px solid rgba(255,255,255,.09);padding:18px 0;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:11px;color:rgba(235,244,255,.42)}
.foot-logo{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.foot-brand .foot-logo .brand-img-full{display:block;height:56px;width:auto;max-width:200px;background:#fff;padding:6px 14px;border-radius:12px;box-shadow:0 6px 18px rgba(0,0,0,.18)}

/* ===== reveal ===== */
.d1{transition-delay:.08s}.d2{transition-delay:.16s}.d3{transition-delay:.24s}.d4{transition-delay:.32s}

/* ===== responsive ===== */
@media (max-width:1100px){
  nav.main{display:none}
  .burger{display:flex}
  .hero-inner{grid-template-columns:1fr;gap:52px;padding-top:58px}
  .hero-console{max-width:620px}
  .console-card{transform:none}
  .floating-chip.fc1{left:8px;top:-14px}
  .smart-grid,.service-grid{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr);gap:16px}
  .step:not(:last-child)::after{display:none}
  .smart-banner{grid-template-columns:1fr}
  .smart-banner .actions{justify-content:flex-start}
  .contact-grid,.track-inner{grid-template-columns:1fr}
  .foot-main{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  .topbar-right span.tel2,.topbar-left .hide-sm{display:none}
  .section{padding:68px 0}
  .topbar-right{font-size:11px}
  .hero-inner{padding-top:44px;padding-bottom:112px}
  .hero h1{font-size:34px}
  .hero-sub{font-size:14.5px}
  .hero-metrics{grid-template-columns:repeat(2,1fr);gap:20px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat-cell:nth-child(2){border-right:0}
  .stat-cell:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .smart-grid,.service-grid,.client-grid,.track-side{grid-template-columns:1fr 1fr}
  .service-grid .svc-card:nth-child(4){grid-column:1/-1}
  .photo-grid{grid-auto-rows:128px}
  .photo.big{grid-column:span 12;grid-row:span 2}
  .photo.w4,.photo.w3,.photo.w6{grid-column:span 6}
  .facility-side{grid-template-columns:1fr}
  .client-note{flex-direction:column;align-items:flex-start}
  .client-note .badge-line{justify-content:flex-start}
  .track-panel{padding:22px 18px}
  .result-info{grid-template-columns:1fr}
  .contact-main{padding:30px 24px}
  .contact-cols{grid-template-columns:1fr}
  .qr-img{width:170px}
  .foot-main{grid-template-columns:1fr;gap:28px}
  .hero-metrics{border-top:1px solid rgba(255,255,255,.1)}
  .sec-head{margin-bottom:32px}
}
@media (max-width:430px){
  .smart-grid,.service-grid,.client-grid{grid-template-columns:1fr}
  .track-side{grid-template-columns:1fr}
  .topbar-right{display:none}
  .nav-cta .btn{display:none}
  .brand-name b{font-size:18px}
  .flow{grid-template-columns:1fr}
  .console-map{height:190px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001s!important;animation-iteration-count:1!important;transition-duration:.001s!important}
  html{scroll-behavior:auto}
}

/* ===== inner pages (拆分落地页共用) ===== */
.page-hero{position:relative;color:#fff;background:var(--navy-950);overflow:hidden;isolation:isolate;padding:76px 0 84px}
.page-hero .hero-bg img{opacity:.22}
.page-hero .crumbs{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:12px;color:rgba(235,244,255,.6);margin-bottom:18px}
.page-hero .crumbs a{color:#79c3ff}
.page-hero .crumbs a:hover{text-decoration:underline;text-underline-offset:3px}
.page-hero h1{font-size:clamp(30px,4.4vw,50px);line-height:1.18;font-weight:900;letter-spacing:-.02em;position:relative;z-index:1}
.page-hero h1 .grad-text{background:linear-gradient(100deg,#41a8ff 0%,#37e6ee 55%,#ffc05a 120%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.page-hero .lead{margin-top:18px;font-size:15.5px;line-height:2;color:rgba(235,244,255,.82);max-width:820px;position:relative;z-index:1}
.page-hero .lead strong{color:#fff}
.page-hero .hero-metrics{margin-top:36px;padding-top:26px;border-top:1px solid rgba(255,255,255,.13);display:flex;flex-wrap:wrap;gap:28px 44px;position:relative;z-index:1}
.page-hero .hero-metrics .num{font-size:clamp(22px,2.4vw,30px);font-weight:900}
.page-hero .hero-metrics .num small{font-size:13px;color:#ffc158;margin-left:2px}
.page-hero .hero-metrics .lbl{font-size:12px;color:rgba(235,244,255,.62);margin-top:2px}
.prose{max-width:880px;margin:0 auto}
.prose h2{font-size:clamp(20px,2.4vw,27px);font-weight:900;color:var(--navy-900);margin:44px 0 16px;line-height:1.4}
.prose p{font-size:15px;color:var(--slate);line-height:2.1;margin-bottom:14px}
.prose p strong{color:var(--navy-900)}
.prose ul{margin:10px 0 18px;padding-left:4px}
.prose li{position:relative;padding-left:22px;font-size:15px;color:var(--slate);line-height:2.05;margin-bottom:6px}
.prose li::before{content:"";position:absolute;left:2px;top:.92em;width:7px;height:7px;border-radius:2px;background:var(--grad-tech)}
.prose a{color:var(--blue);font-weight:600}
.feat-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feat-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:26px 24px;transition:.3s}
.feat-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:#cfe0f2}
.feat-card h3{font-size:17px;font-weight:800;margin-bottom:9px}
.feat-card p{font-size:13px;color:var(--slate);line-height:1.85}
.route-table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--line);font-size:14px}
.route-table th{background:var(--navy-900);color:#fff;text-align:left;padding:13px 16px;font-size:13px;letter-spacing:.04em}
.route-table td{padding:12px 16px;border-top:1px solid var(--line);color:var(--ink)}
.route-table tr:nth-child(even) td{background:#f8fbfe}
.route-table td b{color:var(--navy-900)}
.page-cta{background:var(--grad);color:#fff;text-align:center;padding:56px 24px}
.page-cta h2{font-size:clamp(24px,3vw,34px);font-weight:900;line-height:1.4}
.page-cta h2 em{font-style:normal;color:#ffc158}
.page-cta p{color:rgba(235,244,255,.8);margin-top:12px;font-size:14.5px;line-height:1.9}
.page-cta .btn{margin-top:26px}
.adj-nav{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.adj-nav a{display:flex;flex-direction:column;gap:4px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:18px 22px;font-size:13px;color:var(--slate);transition:.3s}
.adj-nav a:hover{border-color:var(--blue);box-shadow:var(--shadow-sm);color:var(--navy-900)}
.adj-nav a b{font-size:15px;color:var(--navy-900)}
@media (max-width:900px){
  .feat-cards{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .feat-cards{grid-template-columns:1fr}
  .adj-nav{grid-template-columns:1fr}
  .route-table{font-size:12.5px}
  .page-hero{padding:54px 0 60px}
}