:root {
  --navy: #07131f;
  --navy-2: #0b1e2d;
  --navy-3: #102b3d;
  --ink: #11202a;
  --paper: #f2f4f2;
  --warm: #e9eeea;
  --white: #fff;
  --muted: #66747c;
  --line: rgba(17, 32, 42, .14);
  --line-light: rgba(255, 255, 255, .16);
  --signal: #f04a3e;
  --cyan: #7adce8;
  --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --serif: var(--sans);
  --mono: var(--sans);
  --ease: cubic-bezier(.22, 1, .36, 1);
  --shadow: 0 30px 80px rgba(3, 20, 31, .16);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--navy); }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--sans); font-size: 16px; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { color: inherit; font: inherit; }
button { border: 0; cursor: pointer; }
img { display: block; max-width: 100%; }
h1, h2, h3, p { margin: 0; }
::selection { color: var(--white); background: var(--signal); }

.skip-link { position: fixed; top: 12px; left: 12px; z-index: 1000; padding: 10px 14px; color: var(--navy); background: var(--white); transform: translateY(-150%); transition: transform .2s; }
.skip-link:focus { transform: none; }
.page-progress { position: fixed; z-index: 100; inset: 0 0 auto; height: 3px; background: transparent; }
.page-progress span { display: block; width: 0; height: 100%; background: var(--signal); }
.shell { width: min(100% - 96px, 1440px); margin-inline: auto; }

.site-header { position: fixed; z-index: 90; top: 0; left: 0; width: 100%; min-height: 88px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; padding: 0 48px; color: var(--white); border-bottom: 1px solid rgba(255,255,255,.16); transition: min-height .4s var(--ease), background .4s, backdrop-filter .4s; }
.site-header.is-scrolled { min-height: 72px; background: rgba(7,19,31,.88); backdrop-filter: blur(18px); }
.brand { display: inline-flex; align-items: center; gap: 13px; width: max-content; }
.brand img { width: 47px; height: 47px; border-radius: 13px; object-fit: contain; }
.brand span { display: flex; flex-direction: column; gap: 1px; }
.brand strong { font-size: 18px; letter-spacing: .16em; }
.brand small { color: rgba(255,255,255,.62); font: 10px/1.4 var(--mono); letter-spacing: .09em; }
.main-nav { display: flex; gap: 42px; font-size: 14px; }
.main-nav a { position: relative; padding-block: 12px; color: rgba(255,255,255,.72); transition: color .25s; }
.main-nav a::after { content: ""; position: absolute; bottom: 5px; left: 0; width: 0; height: 1px; background: var(--cyan); transition: width .35s var(--ease); }
.main-nav a:hover, .main-nav a.is-active { color: var(--white); }
.main-nav a:hover::after, .main-nav a.is-active::after { width: 100%; }
.header-cta { justify-self: end; display: inline-flex; align-items: center; gap: 18px; padding: 13px 18px; border: 1px solid rgba(255,255,255,.38); font-size: 13px; transition: color .25s, background .25s, border-color .25s; }
.header-cta span { color: var(--cyan); }
.header-cta:hover { color: var(--navy); background: var(--white); border-color: var(--white); }
.menu-toggle { display: none; padding: 12px; background: transparent; }
.menu-toggle span { display: block; width: 25px; height: 1px; margin: 6px 0; background: var(--white); transition: transform .25s; }

.hero { position: relative; min-height: max(780px, 100svh); display: flex; align-items: center; color: var(--white); background: var(--navy); overflow: hidden; isolation: isolate; }
.hero-media { position: absolute; z-index: -4; inset: 0; background: url("site_assets/hero-response-v2.webp") center/cover no-repeat; transform: scale(1.035); will-change: transform; }
.hero::before { content: ""; position: absolute; z-index: -3; inset: 0; background: linear-gradient(90deg, rgba(5,15,25,.98) 0%, rgba(5,15,25,.88) 31%, rgba(5,15,25,.38) 58%, rgba(5,15,25,.08) 100%), linear-gradient(0deg, rgba(5,15,25,.88), transparent 42%, rgba(5,15,25,.35)); }
.hero::after { content: ""; position: absolute; z-index: -2; inset: 0; background: radial-gradient(circle at 10% 48%, rgba(76,202,219,.15), transparent 28%); }
.hero-grid { position: absolute; z-index: -1; inset: 0; opacity: .14; background-image: linear-gradient(rgba(255,255,255,.14) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.14) 1px, transparent 1px); background-size: 80px 80px; mask-image: linear-gradient(90deg, #000, transparent 72%); }
.hero-orbit { position: absolute; z-index: -1; border: 1px solid rgba(122,220,232,.22); border-radius: 50%; pointer-events: none; }
.hero-orbit::before { content: ""; position: absolute; width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 8px rgba(122,220,232,.08), 0 0 30px var(--cyan); }
.orbit-one { width: 640px; height: 640px; right: 11%; top: 9%; animation: orbit 24s linear infinite; }
.orbit-one::before { top: 73%; left: 5%; }
.orbit-two { width: 380px; height: 380px; right: 20%; top: 27%; animation: orbit 16s linear infinite reverse; }
.orbit-two::before { top: 2%; left: 54%; }
@keyframes orbit { to { transform: rotate(360deg); } }
.hero-content { padding-top: 95px; padding-bottom: 180px; }
.hero-eyebrow { display: flex; align-items: center; gap: 13px; margin-bottom: 30px; color: rgba(255,255,255,.76); font: 13px var(--mono); letter-spacing: .1em; }
.live-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--signal); box-shadow: 0 0 0 0 rgba(240,74,62,.7); animation: pulse 2s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 12px rgba(240,74,62,0); } 100% { box-shadow: 0 0 0 0 rgba(240,74,62,0); } }
.hero h1, .section-heading h2, .system-intro h2, .footprint h2, .contact h2 { font-family: var(--serif); font-weight: 700; letter-spacing: -.055em; }
.hero h1 { max-width: 940px; font-family: var(--sans); font-size: clamp(64px, 8vw, 128px); font-weight: 700; line-height: .98; letter-spacing: -.07em; }
.hero h1 em, .section-heading h2 em, .system-intro h2 em, .footprint h2 em, .contact h2 em { color: var(--cyan); font-style: normal; }
.hero-lead { max-width: 670px; margin-top: 34px; color: rgba(255,255,255,.74); font-size: clamp(17px, 1.4vw, 21px); line-height: 1.8; }
.hero-actions { display: flex; gap: 14px; margin-top: 42px; }
.button { min-height: 54px; display: inline-flex; align-items: center; justify-content: center; gap: 36px; padding: 0 24px; border: 1px solid transparent; font-weight: 600; font-size: 14px; transition: transform .25s var(--ease), background .25s, color .25s, border .25s; }
.button:hover { transform: translateY(-3px); }
.button-primary { color: var(--white); background: var(--signal); }
.button-primary:hover { background: #ff5c50; box-shadow: 0 16px 40px rgba(240,74,62,.28); }
.button-ghost { border-color: rgba(255,255,255,.34); color: var(--white); background: rgba(255,255,255,.04); backdrop-filter: blur(6px); }
.button-ghost:hover { color: var(--navy); background: var(--white); border-color: var(--white); }
.play { color: var(--cyan); font-size: 10px; }
.hero-status { position: absolute; left: 50%; bottom: 0; transform: translateX(-50%); min-height: 126px; display: grid; grid-template-columns: 1fr 2.1fr; align-items: stretch; border-top: 1px solid rgba(255,255,255,.22); }
.status-intro { display: flex; flex-direction: column; justify-content: center; border-right: 1px solid rgba(255,255,255,.2); }
.status-intro span { color: var(--cyan); font: 12px var(--mono); letter-spacing: .16em; }
.status-intro p { width: 82%; margin-top: 10px; color: rgba(255,255,255,.68); font-size: 14px; line-height: 1.65; }
.hero-metrics { display: grid; grid-template-columns: repeat(4, 1fr); }
.hero-metrics article { display: flex; flex-direction: column; justify-content: center; padding-left: 36px; border-right: 1px solid rgba(255,255,255,.16); }
.hero-metrics strong { font-family: var(--serif); font-size: clamp(28px, 3vw, 44px); line-height: 1; font-variant-numeric: tabular-nums; }
.hero-metrics span { margin-top: 10px; color: rgba(255,255,255,.62); font-size: 13px; letter-spacing: .08em; }
.scroll-cue { position: absolute; right: 30px; bottom: 155px; display: flex; align-items: center; gap: 14px; writing-mode: vertical-rl; color: rgba(255,255,255,.42); font: 8px var(--mono); letter-spacing: .18em; }
.scroll-cue span { width: 1px; height: 46px; background: rgba(255,255,255,.35); overflow: hidden; }
.scroll-cue span::after { content: ""; display: block; width: 1px; height: 18px; background: var(--cyan); animation: scroll-line 1.8s ease-in-out infinite; }
@keyframes scroll-line { from { transform: translateY(-20px); } to { transform: translateY(50px); } }

.section-light { background: var(--paper); }
.section-dark { color: var(--white); background: var(--navy); }
.section-ink { color: var(--white); background: #0c1013; }
.industry, .vision, .innovation, .system, .solutions, .cases, .strength, .footprint { padding-block: 150px; }
.section-heading { max-width: 1160px; }
.section-index { display: flex; align-items: center; gap: 16px; margin-bottom: 32px; color: var(--muted); font: 13px var(--mono); letter-spacing: .13em; }
.section-index span { display: grid; place-items: center; width: 32px; height: 32px; color: var(--ink); border: 1px solid var(--line); border-radius: 50%; letter-spacing: 0; }
.section-dark .section-index, .section-ink .section-index, .contact .section-index { color: rgba(255,255,255,.48); }
.section-dark .section-index span, .section-ink .section-index span, .contact .section-index span { color: var(--white); border-color: rgba(255,255,255,.25); }
.section-heading h2, .system-intro h2, .footprint h2, .contact h2 { font-size: clamp(48px, 6.3vw, 92px); line-height: 1.1; }
.section-heading h2 em { color: #398ea0; }
.vision-heading > p { max-width: 650px; margin-top: 38px; margin-left: auto; color: var(--muted); font-size: 17px; line-height: 1.95; }

.industry { background: #f6f7f5; }
.sector-grid { display: grid; grid-template-columns: repeat(5, 1fr); margin-top: 80px; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.sector-card { min-height: 350px; display: flex; flex-direction: column; padding: 30px 26px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(255,255,255,.34); transition: transform .4s var(--ease), color .4s, background .4s; }
.sector-card:hover { z-index: 2; color: var(--white); background: var(--navy); transform: translateY(-10px); box-shadow: var(--shadow); }
.sector-card > b { color: var(--signal); font-size: 11px; }
.sector-card > span { margin-top: 9px; color: var(--muted); font-size: 11px; letter-spacing: .1em; }
.sector-card h3 { margin-top: 52px; font-size: 28px; }
.sector-card p { margin-top: 18px; color: var(--muted); font-size: 15px; line-height: 1.8; transition: color .4s; }
.sector-card small { margin-top: auto; padding-top: 28px; color: #287f91; font-size: 13px; line-height: 1.6; }
.sector-card:hover p, .sector-card:hover > span { color: rgba(255,255,255,.62); }
.sector-card:hover small { color: var(--cyan); }
.policy-panel { display: grid; grid-template-columns: .72fr 1.28fr; margin-top: 70px; color: var(--white); background: var(--navy); }
.policy-summary { padding: 48px; border-right: 1px solid var(--line-light); }
.policy-summary > span { color: var(--cyan); font-size: 11px; letter-spacing: .13em; }
.policy-summary h3 { margin-top: 22px; font-size: 34px; }
.policy-summary ul { margin: 42px 0 0; padding: 0; list-style: none; }
.policy-summary li { display: grid; grid-template-columns: 42px 1fr; padding: 16px 0; border-top: 1px solid var(--line-light); color: rgba(255,255,255,.8); font-size: 15px; }
.policy-summary li b { color: var(--signal); font-size: 11px; }
.policy-timeline { padding: 20px 48px; }
.policy-timeline article { display: grid; grid-template-columns: 90px 1fr; gap: 26px; align-items: start; padding: 25px 0; border-bottom: 1px solid var(--line-light); }
.policy-timeline article:last-child { border-bottom: 0; }
.policy-timeline time { color: var(--cyan); font-size: 13px; }
.policy-timeline p { color: rgba(255,255,255,.72); font-size: 15px; line-height: 1.75; }

.innovation { position: relative; overflow: hidden; }
.innovation::before { content: "03"; position: absolute; top: -100px; right: -40px; color: rgba(255,255,255,.025); font-size: 540px; font-weight: 700; line-height: 1; pointer-events: none; }
.innovation-heading h2 em { color: var(--cyan); }
.innovation-heading > p { color: rgba(255,255,255,.55); }
.innovation-metrics { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 80px; border-top: 1px solid var(--line-light); border-left: 1px solid var(--line-light); }
.innovation-metrics article { min-height: 185px; display: flex; align-items: flex-end; gap: 18px; padding: 28px; border-right: 1px solid var(--line-light); border-bottom: 1px solid var(--line-light); }
.innovation-metrics strong { color: var(--cyan); font-size: clamp(40px, 4.4vw, 68px); line-height: .9; }
.innovation-metrics strong small { font-size: 15px; }
.innovation-metrics span { color: rgba(255,255,255,.66); font-size: 14px; line-height: 1.65; }
.innovation-grid { position: relative; display: grid; grid-template-columns: repeat(2, 1fr); margin-top: 48px; border-top: 1px solid var(--line-light); border-left: 1px solid var(--line-light); }
.innovation-card { min-height: 210px; display: grid; grid-template-columns: 135px 34px 1fr; gap: 22px; align-items: center; padding: 32px; border-right: 1px solid var(--line-light); border-bottom: 1px solid var(--line-light); transition: background .35s; }
.innovation-card:hover { background: rgba(122,220,232,.055); }
.innovation-card > div:first-child { display: flex; flex-direction: column; gap: 9px; }
.innovation-card > div:first-child span { font-size: 16px; }
.innovation-card > div:first-child small { color: rgba(255,255,255,.48); font-size: 12px; }
.innovation-card > i { color: var(--signal); font-style: normal; }
.innovation-card > div:last-child b { color: var(--cyan); font-size: 17px; }
.innovation-card > div:last-child p { margin-top: 13px; color: rgba(255,255,255,.66); font-size: 14px; line-height: 1.75; }

.journey { position: relative; display: grid; grid-template-columns: repeat(5, 1fr); margin-top: 110px; }
.journey-line { position: absolute; top: 73px; left: 8%; right: 8%; height: 1px; background: var(--line); }
.journey-line span { display: block; width: 0; height: 100%; background: var(--signal); transition: width 1.6s var(--ease); }
.journey.is-visible .journey-line span { width: 100%; }
.journey-step { position: relative; padding-inline: 20px; }
.journey-step > b { display: block; margin-bottom: 22px; color: var(--signal); font: 10px var(--mono); }
.journey-icon { position: relative; z-index: 2; width: 56px; height: 56px; display: grid; place-items: center; margin-bottom: 30px; color: var(--ink); background: var(--paper); border: 1px solid rgba(17,32,42,.28); border-radius: 50%; font: 13px var(--mono); transition: color .4s, background .4s, transform .4s var(--ease); }
.journey-step:hover .journey-icon { color: var(--white); background: var(--signal); border-color: var(--signal); transform: scale(1.12); }
.journey-step h3 { margin-bottom: 13px; font-family: var(--serif); font-size: 22px; }
.journey-step p { color: var(--muted); font-size: 15px; line-height: 1.75; }

.system { background-image: radial-gradient(circle at 10% 30%, rgba(47,142,160,.12), transparent 32%), linear-gradient(rgba(255,255,255,.028) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px); background-size: auto, 80px 80px, 80px 80px; }
.system-layout { display: grid; grid-template-columns: minmax(0, .9fr) minmax(520px, 1.1fr); gap: clamp(70px, 8vw, 140px); align-items: start; }
.system-intro { position: sticky; top: 120px; }
.system-intro h2 { font-size: clamp(48px, 5.4vw, 82px); }
.system-intro > p { max-width: 560px; margin-top: 32px; color: rgba(255,255,255,.58); font-size: 16px; line-height: 1.9; }
.system-visual { position: relative; aspect-ratio: 16/10; margin-top: 54px; overflow: hidden; background: var(--navy-2); box-shadow: var(--shadow); }
.system-visual::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(4,14,22,.92), transparent 56%); }
.system-visual img { width: 100%; height: 100%; object-fit: cover; transition: opacity .3s, transform .8s var(--ease); }
.system-visual.is-changing img { opacity: .25; transform: scale(1.05); }
.visual-label { position: absolute; z-index: 2; left: 28px; right: 28px; bottom: 24px; display: flex; align-items: flex-end; justify-content: space-between; }
.visual-label span { color: var(--cyan); font: 9px var(--mono); letter-spacing: .16em; }
.visual-label b { font-family: var(--serif); font-size: 24px; }
.product-list { border-top: 1px solid var(--line-light); }
.product-item { border-bottom: 1px solid var(--line-light); }
.product-item > button { width: 100%; min-height: 102px; display: grid; grid-template-columns: 48px 1fr auto 30px; align-items: center; gap: 18px; padding: 0; text-align: left; color: var(--white); background: transparent; }
.product-item > button > span { color: rgba(255,255,255,.34); font: 11px var(--mono); }
.product-name { font-family: var(--serif); font-size: clamp(24px, 2.2vw, 34px); font-weight: 600; }
.product-item button small { color: rgba(255,255,255,.56); font-size: 13px; letter-spacing: .08em; }
.product-item button i { color: var(--cyan); font: 300 26px var(--sans); font-style: normal; transition: transform .4s var(--ease); }
.product-item.is-open button i { transform: rotate(45deg); }
.product-detail { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .55s var(--ease); }
.product-detail > div { overflow: hidden; }
.product-item.is-open .product-detail { grid-template-rows: 1fr; }
.product-detail p { max-width: 600px; padding: 5px 0 22px 66px; color: rgba(255,255,255,.6); font-size: 14px; line-height: 1.8; }
.product-detail ul { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 0; padding: 0 0 38px 66px; list-style: none; }
.product-detail li { padding: 10px 12px; color: rgba(255,255,255,.78); border: 1px solid rgba(255,255,255,.12); font-size: 13px; }

.split-heading { max-width: none; display: grid; grid-template-columns: 1.2fr .8fr; align-items: end; gap: 80px; }
.split-heading > p { padding-bottom: 12px; color: var(--muted); font-size: 16px; line-height: 1.9; }
.capability-stack { display: grid; grid-template-columns: 290px 1fr; gap: 56px; margin-top: 90px; padding: 50px; color: var(--white); background: var(--navy); }
.stack-core { position: relative; min-height: 290px; display: flex; flex-direction: column; justify-content: center; align-items: center; overflow: hidden; background: radial-gradient(circle, rgba(122,220,232,.19), transparent 64%); border: 1px solid rgba(122,220,232,.3); text-align: center; }
.stack-core::before, .stack-core::after { content: ""; position: absolute; border: 1px solid rgba(122,220,232,.2); border-radius: 50%; animation: radar 4s linear infinite; }
.stack-core::before { width: 130px; height: 130px; }.stack-core::after { width: 210px; height: 210px; animation-delay: -2s; }
@keyframes radar { 50% { opacity: .25; transform: scale(1.15); } }
.stack-core span { z-index: 2; margin-bottom: 13px; color: var(--cyan); font: 10px var(--mono); letter-spacing: .15em; }
.stack-core strong { z-index: 2; font-family: var(--serif); font-size: 32px; line-height: 1.3; }
.stack-core i { position: absolute; width: 6px; height: 6px; border-radius: 50%; background: var(--signal); box-shadow: 0 0 16px var(--signal); }
.stack-rings { display: grid; align-content: stretch; }
.stack-rings div { display: grid; grid-template-columns: 120px 1fr; align-items: center; border-bottom: 1px solid rgba(255,255,255,.14); }
.stack-rings div:last-child { border-bottom: 0; }
.stack-rings b { font-family: var(--serif); font-size: 21px; }
.stack-rings span { color: rgba(255,255,255,.66); font-size: 15px; line-height: 1.65; }
.solution-grid { display: grid; grid-template-columns: repeat(2, 1fr); margin-top: 80px; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.solution-card { position: relative; min-height: 380px; display: flex; flex-direction: column; justify-content: flex-end; padding: 48px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); overflow: hidden; transition: color .45s, background .45s; }
.solution-card::before { content: ""; position: absolute; inset: 0; opacity: 0; background: linear-gradient(0deg, rgba(7,19,31,.95), rgba(7,19,31,.35)), var(--bg) center/cover; transition: opacity .55s var(--ease), transform .8s var(--ease); transform: scale(1.05); }
.solution-card:hover { color: var(--white); }.solution-card:hover::before { opacity: 1; transform: none; }
.solution-city { --bg: url("site_assets/hero-cinematic.webp"); }.solution-hospital { --bg: url("site_assets/ambulance-scene.webp"); }.solution-event { --bg: url("site_assets/field-rescue.webp"); }.solution-mental { --bg: url("site_assets/mental-data.webp"); }
.solution-card > * { position: relative; z-index: 2; }
.solution-card > span { margin-bottom: auto; color: var(--signal); font: 9px var(--mono); letter-spacing: .16em; }
.solution-card h3 { font-family: var(--serif); font-size: clamp(28px, 3vw, 42px); }
.solution-card p { max-width: 520px; margin-top: 18px; color: var(--muted); font-size: 16px; line-height: 1.8; transition: color .45s; }
.solution-card:hover p { color: rgba(255,255,255,.65); }
.solution-card a { width: max-content; margin-top: 32px; padding-bottom: 5px; border-bottom: 1px solid currentColor; font-size: 14px; }
.solution-card a b { margin-left: 20px; color: var(--cyan); }

.cases { position: relative; overflow: hidden; }
.cases::before { content: "06"; position: absolute; top: -100px; right: -40px; color: rgba(255,255,255,.025); font: 700 540px/1 var(--serif); pointer-events: none; }
.cases-heading h2 em { color: var(--cyan); }
.case-stage { position: relative; margin-top: 80px; }
.case-tabs { display: grid; grid-template-columns: repeat(4, 1fr); border-bottom: 1px solid rgba(255,255,255,.18); }
.case-tabs button { position: relative; min-height: 72px; display: flex; align-items: center; gap: 18px; padding: 0 22px; color: rgba(255,255,255,.45); background: transparent; font-size: 14px; text-align: left; }
.case-tabs button::after { content: ""; position: absolute; bottom: -1px; left: 0; width: 0; height: 2px; background: var(--signal); transition: width .4s var(--ease); }
.case-tabs button span { font: 9px var(--mono); }.case-tabs button.is-active { color: var(--white); }.case-tabs button.is-active::after { width: 100%; }
.case-panels { min-height: 640px; }
.case-panel { display: none; grid-template-columns: 1.2fr .8fr; min-height: 640px; animation: panel-in .6s var(--ease); }
.case-panel.is-active { display: grid; }
@keyframes panel-in { from { opacity: 0; transform: translateY(16px); } }
.case-image { position: relative; overflow: hidden; }
.case-image::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, transparent 70%, #0c1013), linear-gradient(0deg, rgba(12,16,19,.65), transparent 45%); }
.case-image img { width: 100%; height: 100%; object-fit: cover; }
.case-image > span { position: absolute; z-index: 2; left: 28px; bottom: 24px; color: rgba(255,255,255,.65); font: 9px var(--mono); letter-spacing: .16em; }
.case-copy { display: flex; flex-direction: column; justify-content: center; padding: 60px; }
.case-copy > span { color: var(--cyan); font: 10px var(--mono); letter-spacing: .14em; }
.case-copy h3 { margin-top: 25px; font-family: var(--serif); font-size: clamp(30px, 3.3vw, 52px); line-height: 1.25; }
.case-copy > p { margin-top: 25px; color: rgba(255,255,255,.55); font-size: 15px; line-height: 1.9; }
.case-numbers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 50px; padding-top: 28px; border-top: 1px solid rgba(255,255,255,.16); }
.case-numbers b { font: 600 clamp(30px, 3vw, 46px) var(--serif); }.case-numbers small { display: block; margin-top: 9px; color: rgba(255,255,255,.4); font: 11px var(--sans); }

.case-portfolio { margin-top: 120px; padding-top: 70px; border-top: 1px solid var(--line-light); }
.portfolio-heading { display: grid; grid-template-columns: .45fr 1fr .8fr; gap: 42px; align-items: start; }
.portfolio-heading > span { color: var(--cyan); font-size: 9px; letter-spacing: .16em; }
.portfolio-heading h3 { font-size: 38px; }
.portfolio-heading p { color: rgba(255,255,255,.64); font-size: 15px; line-height: 1.8; }
.portfolio-grid { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 50px; border-top: 1px solid var(--line-light); border-left: 1px solid var(--line-light); }
.portfolio-card { min-height: 270px; display: flex; flex-direction: column; padding: 28px; border-right: 1px solid var(--line-light); border-bottom: 1px solid var(--line-light); transition: color .35s, background .35s, transform .35s var(--ease); }
.portfolio-card:hover { z-index: 2; color: var(--ink); background: var(--white); transform: translateY(-7px); }
.portfolio-card > b { color: var(--signal); font-size: 10px; }
.portfolio-card h4 { margin: 28px 0 0; font-size: 20px; }
.portfolio-card p { margin-top: 16px; color: rgba(255,255,255,.64); font-size: 14px; line-height: 1.75; transition: color .35s; }
.portfolio-card > span { margin-top: auto; padding-top: 24px; color: var(--cyan); font-size: 13px; }
.portfolio-card:hover p { color: var(--muted); }
.portfolio-card:hover > span { color: #207e91; }

.strength-grid { display: grid; grid-template-columns: 1.15fr repeat(3, .62fr); margin-top: 80px; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.strength-grid article { min-height: 300px; padding: 38px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.strength-feature { grid-row: span 2; display: flex; flex-direction: column; justify-content: flex-end; color: var(--white); background: var(--navy); }
.radar { position: relative; width: 180px; height: 180px; display: grid; place-items: center; margin: auto; border: 1px solid rgba(122,220,232,.22); border-radius: 50%; background: repeating-radial-gradient(circle, transparent 0 31px, rgba(122,220,232,.15) 32px 33px); }
.radar::after { content: ""; position: absolute; inset: 50% 0 auto 50%; width: 45%; height: 1px; transform-origin: left; background: linear-gradient(90deg, var(--cyan), transparent); animation: orbit 4s linear infinite; }
.radar i { position: absolute; width: 5px; height: 5px; border-radius: 50%; background: var(--signal); box-shadow: 0 0 15px var(--signal); }.radar i:nth-child(1) { left: 35px; top: 55px; }.radar i:nth-child(2) { right: 26px; bottom: 45px; }.radar i:nth-child(3) { left: 87px; top: 18px; }
.radar span { font: 34px var(--serif); }
.strength-feature h3 { margin-top: 26px; font-family: var(--serif); font-size: 30px; }.strength-feature p { margin-top: 13px; color: rgba(255,255,255,.55); font-size: 13px; line-height: 1.8; }
.strength-stat { display: flex; flex-direction: column; }.strength-stat > b { color: #398ea0; font: 600 clamp(50px, 5vw, 72px) var(--serif); }.strength-stat h3 { margin-top: auto; font-family: var(--serif); font-size: 22px; }.strength-stat p { margin-top: 10px; color: var(--muted); font-size: 14px; line-height: 1.7; }
.strength-awards { grid-column: 2 / 5; min-height: 270px !important; display: grid; grid-template-columns: .5fr 1.5fr; align-items: start; gap: 30px; }.strength-awards > span { color: var(--signal); font: 9px var(--mono); letter-spacing: .16em; }.strength-awards ul { margin: 0; padding: 0; list-style: none; }.strength-awards li { padding: 13px 0; border-bottom: 1px solid var(--line); font-size: 14px; }.strength-awards li b { display: inline-block; width: 62px; color: var(--muted); font: 10px var(--mono); }
.credibility-band { display: grid; grid-template-columns: .8fr 1.2fr; margin-top: 70px; color: var(--white); background: var(--navy); }
.media-proof, .expert-proof { min-height: 300px; padding: 48px; }
.media-proof { border-right: 1px solid var(--line-light); }
.media-proof strong { color: var(--cyan); font-size: clamp(64px, 7vw, 104px); line-height: 1; }
.media-proof span { display: block; margin-top: 14px; font-size: 17px; }
.media-proof p, .expert-proof p { margin-top: 28px; color: rgba(255,255,255,.64); font-size: 14px; line-height: 1.8; }
.expert-proof > span { color: var(--signal); font-size: 9px; letter-spacing: .16em; }
.expert-proof h3 { max-width: 650px; margin-top: 28px; font-size: clamp(27px, 3vw, 42px); line-height: 1.35; }

.footprint { position: relative; overflow: hidden; }.footprint::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 78% 50%, rgba(30,130,152,.2), transparent 37%); }
.footprint-layout { position: relative; display: grid; grid-template-columns: .75fr 1.25fr; align-items: center; gap: 70px; }
.footprint-copy > p { max-width: 550px; margin-top: 32px; color: rgba(255,255,255,.7); font-size: 17px; line-height: 1.9; }
.city-list { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 35px; }.city-list span { padding: 10px 14px; border: 1px solid rgba(255,255,255,.22); color: rgba(255,255,255,.76); font-size: 13px; }
.map-wrap { position: relative; aspect-ratio: 1200 / 827; isolation: isolate; }
.map-wrap::before { content: ""; position: absolute; z-index: -1; inset: 8% 4% 12%; background: radial-gradient(circle, rgba(50,163,186,.19), transparent 66%); filter: blur(18px); }
.map-wrap img { width: 100%; filter: brightness(.82) saturate(.72) sepia(.08) hue-rotate(155deg); opacity: .92; }
.map-marker { position: absolute; z-index: 3; left: var(--x); top: var(--y); display: flex; align-items: center; gap: 7px; transform: translate(-50%, -50%); }
.map-marker i { position: relative; width: 8px; height: 8px; flex: 0 0 auto; border: 2px solid #07131f; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 2px rgba(122,220,232,.5), 0 0 18px rgba(122,220,232,.8); transition: transform .25s var(--ease), background .25s; }
.map-marker i::after { content: ""; position: absolute; inset: -7px; border: 1px solid rgba(122,220,232,.5); border-radius: 50%; animation: map-pulse 2.4s ease-out infinite; }
.map-marker span { position: absolute; left: 14px; top: -9px; width: max-content; padding: 5px 8px; color: var(--white); background: rgba(7,19,31,.88); border: 1px solid rgba(122,220,232,.25); font-size: 12px; line-height: 1; opacity: 0; transform: translateX(-4px); transition: opacity .25s, transform .25s; pointer-events: none; }
.map-marker.is-major span, .map-marker:hover span { opacity: 1; transform: none; }
.map-marker:hover { z-index: 8; }.map-marker:hover i { background: var(--signal); transform: scale(1.45); }
.map-beijing { --x: 78%; --y: 31%; }.map-shanghai { --x: 84%; --y: 55%; }.map-guangzhou { --x: 72%; --y: 75%; }.map-shenzhen { --x: 74%; --y: 77%; }
.map-wuhan { --x: 69%; --y: 58%; }.map-jining { --x: 76%; --y: 45%; }.map-dongying { --x: 79%; --y: 43%; }.map-guiyang { --x: 59%; --y: 69%; }
.map-qiannan { --x: 62%; --y: 72%; }.map-chengdu { --x: 53%; --y: 60%; }.map-yaan { --x: 50%; --y: 63%; }.map-bazhong { --x: 57%; --y: 57%; }.map-rongxian { --x: 54%; --y: 64%; }
.map-xian { --x: 61%; --y: 50%; }.map-binzhou { --x: 63%; --y: 48%; }.map-xiamen { --x: 80%; --y: 67%; }.map-fuzhou { --x: 81%; --y: 63%; }
.map-xiangtan { --x: 67%; --y: 67%; }.map-shaoyang { --x: 64%; --y: 70%; }.map-yueyang { --x: 69%; --y: 64%; }.map-zhoukou { --x: 70%; --y: 52%; }.map-gongyi { --x: 67%; --y: 51%; }
.map-karamay { --x: 23%; --y: 30%; }.map-yili { --x: 19%; --y: 38%; }.map-luopu { --x: 25%; --y: 48%; }
.map-caption { position: absolute; z-index: 4; right: 3%; bottom: 2%; display: flex; align-items: center; gap: 16px; padding: 16px 18px; color: var(--white); background: rgba(7,19,31,.9); border-left: 3px solid var(--signal); box-shadow: 0 18px 50px rgba(0,0,0,.22); backdrop-filter: blur(12px); }
.map-caption strong { color: var(--cyan); font-size: 38px; line-height: 1; }.map-caption span { font-size: 15px; }.map-caption small { display: block; margin-top: 5px; color: rgba(255,255,255,.58); font-size: 12px; }
@keyframes map-pulse { 0% { opacity: .8; transform: scale(.55); } 75%, 100% { opacity: 0; transform: scale(1.7); } }

.contact { position: relative; padding-block: 150px; color: var(--white); background: var(--navy); overflow: hidden; }.contact-media { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(7,19,31,.98), rgba(7,19,31,.85) 46%, rgba(7,19,31,.5)), url("site_assets/hero-response-v2.webp") center/cover; opacity: .72; }.contact::after { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px); background-size: 80px 80px; pointer-events: none; }
.contact-layout { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr .82fr; gap: clamp(70px, 10vw, 150px); align-items: center; }
.contact-copy > p { max-width: 580px; margin-top: 34px; color: rgba(255,255,255,.72); font-size: 17px; line-height: 1.9; }.contact-tags { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 36px; }.contact-tags span { padding: 10px 14px; color: rgba(255,255,255,.78); border: 1px solid rgba(255,255,255,.24); font-size: 13px; }
.form-shell { position: relative; min-height: 570px; padding: 42px; color: var(--ink); background: rgba(250,252,250,.97); box-shadow: 0 40px 90px rgba(0,0,0,.26); backdrop-filter: blur(20px); }
.form-shell form { display: grid; grid-template-columns: repeat(2, 1fr); gap: 23px 18px; }
.form-head { grid-column: 1/-1; display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 8px; }.form-head span { color: var(--signal); font: 9px var(--mono); letter-spacing: .16em; }.form-head b { font-family: var(--serif); font-size: 28px; }
.form-shell label { display: flex; flex-direction: column; gap: 9px; }.form-shell label > span { color: var(--muted); font-size: 13px; }.form-shell input, .form-shell select, .form-shell textarea { width: 100%; border: 0; border-bottom: 1px solid rgba(17,32,42,.25); border-radius: 0; outline: 0; padding: 10px 0 12px; background: transparent; font-size: 15px; transition: border-color .25s; }.form-shell textarea { resize: vertical; }.form-shell input:focus, .form-shell select:focus, .form-shell textarea:focus { border-color: var(--signal); }.form-shell .invalid { border-color: var(--signal); }.full { grid-column: 1/-1; }.form-shell .button { margin-top: 4px; border: 0; }.form-note { color: var(--muted); font-size: 12px; text-align: center; }
.form-success { position: absolute; inset: 0; display: none; flex-direction: column; align-items: center; justify-content: center; text-align: center; }.form-shell.is-success form { visibility: hidden; }.form-shell.is-success .form-success { display: flex; }.form-success > span { width: 58px; height: 58px; display: grid; place-items: center; color: var(--white); background: #2e9682; border-radius: 50%; font-size: 24px; }.form-success h3 { margin-top: 22px; font-family: var(--serif); font-size: 32px; }.form-success p { margin-top: 10px; color: var(--muted); }.form-success button { margin-top: 28px; padding: 10px 18px; color: var(--ink); border-bottom: 1px solid var(--ink); background: transparent; }

.site-footer { padding-top: 80px; color: var(--white); background: #050c12; }.footer-top { display: grid; grid-template-columns: 1fr 1.4fr auto; align-items: start; gap: 60px; padding-bottom: 70px; }.footer-brand small { color: rgba(255,255,255,.65); font: 12px var(--sans); letter-spacing: .04em; }.footer-nav { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }.footer-nav div { display: flex; flex-direction: column; gap: 13px; }.footer-nav b { margin-bottom: 7px; color: rgba(255,255,255,.68); font: 11px var(--mono); letter-spacing: .13em; }.footer-nav a { color: rgba(255,255,255,.78); font-size: 14px; transition: color .2s; }.footer-nav a:hover { color: var(--cyan); }.back-top { width: 54px; height: 54px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.2); transition: color .25s, background .25s; }.back-top:hover { color: var(--navy); background: var(--white); }.footer-bottom { min-height: 70px; display: flex; align-items: center; justify-content: space-between; border-top: 1px solid rgba(255,255,255,.12); color: rgba(255,255,255,.66); font-size: 12px; }

.reveal { opacity: 0; transform: translateY(30px); transition: opacity .85s var(--ease), transform .85s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }
.hero .reveal:nth-child(2) { transition-delay: .08s; }.hero .reveal:nth-child(3) { transition-delay: .16s; }.hero .reveal:nth-child(4) { transition-delay: .24s; }

@media (max-width: 1120px) {
  .shell { width: min(100% - 56px, 1440px); }.site-header { padding-inline: 28px; }.main-nav { gap: 24px; }.sector-grid { grid-template-columns: repeat(3, 1fr); }.system-layout { grid-template-columns: 1fr; }.system-intro { position: relative; top: auto; }.system-visual { max-width: 760px; }.case-panel { grid-template-columns: 1fr; }.case-image { min-height: 520px; }.case-copy { padding: 50px 10px 20px; }.portfolio-grid { grid-template-columns: repeat(3, 1fr); }.strength-grid { grid-template-columns: 1fr repeat(3, .7fr); }.footer-top { grid-template-columns: .8fr 1.4fr auto; }
}

@media (max-width: 820px) {
  .shell { width: min(100% - 38px, 1440px); }.site-header { min-height: 72px; grid-template-columns: 1fr auto; padding-inline: 19px; }.brand img { width: 40px; height: 40px; }.brand small { display: none; }.header-cta { display: none; }.menu-toggle { display: block; justify-self: end; }.main-nav { position: fixed; inset: 72px auto 0 0; width: 100vw; display: flex; flex-direction: column; gap: 0; padding: 34px 20px; background: rgba(7,19,31,.98); transform: translateX(100%); transition: transform .45s var(--ease); }.main-nav.is-open { transform: none; }.main-nav a { padding: 22px 8px; border-bottom: 1px solid rgba(255,255,255,.12); font: 28px var(--serif); }.menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }.menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
  .hero { min-height: 900px; align-items: flex-start; }.hero-media { background-position: 62% center; }.hero::before { background: linear-gradient(90deg, rgba(5,15,25,.97), rgba(5,15,25,.72)), linear-gradient(0deg, rgba(5,15,25,.98), transparent 60%); }.hero-content { padding-top: 180px; padding-bottom: 310px; }.hero h1 { font-size: clamp(54px, 14vw, 85px); }.hero-lead { font-size: 16px; }.hero-status { min-height: 210px; grid-template-columns: 1fr; }.status-intro { display: none; }.hero-metrics { grid-template-columns: repeat(2, 1fr); }.hero-metrics article { min-height: 105px; padding-left: 18px; border-top: 1px solid rgba(255,255,255,.14); }.scroll-cue, .hero-orbit { display: none; }
  .industry, .vision, .innovation, .system, .solutions, .cases, .strength, .footprint, .contact { padding-block: 100px; }.section-heading h2, .system-intro h2, .footprint h2, .contact h2 { font-size: clamp(42px, 12vw, 66px); }.sector-grid { grid-template-columns: repeat(2, 1fr); margin-top: 55px; }.sector-card { min-height: 310px; }.policy-panel { grid-template-columns: 1fr; }.policy-summary { border-right: 0; border-bottom: 1px solid var(--line-light); }.innovation-metrics { grid-template-columns: repeat(2, 1fr); }.innovation-grid { grid-template-columns: 1fr; }.vision-heading > p { margin-left: 0; }.journey { grid-template-columns: 1fr; gap: 38px; margin-top: 70px; }.journey-line { top: 0; bottom: 0; left: 27px; width: 1px; height: auto; }.journey-line span { width: 100%; height: 0; }.journey.is-visible .journey-line span { height: 100%; }.journey-step { min-height: 92px; padding-left: 90px; }.journey-step > b { position: absolute; left: 7px; top: 21px; z-index: 3; }.journey-icon { position: absolute; left: 0; top: 41px; width: 55px; height: 55px; }.journey-step h3 { margin-top: 8px; }
  .system-layout { gap: 58px; }.product-item > button { grid-template-columns: 35px 1fr 25px; min-height: 92px; }.product-item button small { display: none; }.product-detail p, .product-detail ul { padding-left: 53px; }.product-detail ul { grid-template-columns: repeat(2, 1fr); }.split-heading { grid-template-columns: 1fr; gap: 35px; }.capability-stack { grid-template-columns: 1fr; padding: 24px; gap: 24px; }.stack-core { min-height: 240px; }.stack-rings div { min-height: 74px; grid-template-columns: 80px 1fr; }.stack-rings span { font-size: 11px; }.solution-grid { grid-template-columns: 1fr; }.solution-card { min-height: 330px; padding: 32px; }
  .case-tabs { display: flex; overflow-x: auto; scrollbar-width: none; }.case-tabs button { min-width: 190px; }.case-panels, .case-panel { min-height: auto; }.case-image { min-height: 390px; }.case-copy { padding: 38px 0 0; }.case-numbers { gap: 10px; }.case-numbers small { font-size: 9px; }.case-portfolio { margin-top: 90px; }.portfolio-heading { grid-template-columns: 1fr; gap: 18px; }.portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .strength-grid { grid-template-columns: 1fr; }.strength-feature { grid-row: auto; min-height: 520px !important; }.strength-stat { min-height: 240px !important; }.strength-awards { grid-column: auto; grid-template-columns: 1fr; }.credibility-band { grid-template-columns: 1fr; }.media-proof { border-right: 0; border-bottom: 1px solid var(--line-light); }.footprint-layout { grid-template-columns: 1fr; }.map-wrap { margin: 40px 0 70px; }.map-marker i { width: 7px; height: 7px; }.map-marker span { font-size: 11px; }.map-caption { right: 0; bottom: -58px; }.contact-layout { grid-template-columns: 1fr; gap: 60px; }.form-shell { padding: 28px 22px; }.footer-top { grid-template-columns: 1fr auto; }.footer-nav { grid-column: 1/-1; grid-row: 2; }.footer-bottom { flex-direction: column; align-items: flex-start; justify-content: center; gap: 7px; }
}

@media (max-width: 520px) {
  .hero-content { padding-top: 155px; }.hero h1 { letter-spacing: -.07em; }.hero-actions { flex-direction: column; align-items: stretch; }.hero-actions .button { width: 100%; }.hero-eyebrow { font-size: 11px; }.hero-metrics article { padding-left: 12px; }.hero-metrics strong { font-size: 29px; }.hero-metrics span { font-size: 12px; }.section-index { margin-bottom: 24px; }.sector-grid, .portfolio-grid { grid-template-columns: 1fr; }.policy-summary, .policy-timeline { padding: 30px 24px; }.policy-timeline article { grid-template-columns: 75px 1fr; gap: 12px; }.innovation-metrics article { min-height: 150px; flex-direction: column; align-items: flex-start; }.innovation-card { grid-template-columns: 90px 18px 1fr; gap: 12px; padding: 24px 18px; }.system-visual { aspect-ratio: 1/1; }.visual-label { left: 18px; right: 18px; }.product-name { font-size: 22px; }.product-detail ul { grid-template-columns: 1fr; }.case-image { min-height: 300px; }.case-copy h3 { font-size: 34px; }.case-numbers b { font-size: 28px; }.case-numbers small { font-size: 11px; }.map-marker span { display: none; }.map-caption { left: 0; right: auto; }.map-caption strong { font-size: 32px; }.map-caption span { font-size: 13px; }.map-caption small { font-size: 11px; }.media-proof, .expert-proof { padding: 34px 24px; }.form-shell form { grid-template-columns: 1fr; }.form-shell form > * { grid-column: 1; }.form-head { align-items: flex-start; flex-direction: column; gap: 7px; }.footer-nav { gap: 18px; }.footer-nav a { font-size: 13px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}