:root {
  --ink: #07111d;
  --ink-2: #0b1827;
  --panel: #102235;
  --paper: #eef1f3;
  --paper-2: #f8f8f5;
  --text: #182431;
  --muted: #63707b;
  --line: #cbd1d5;
  --light-line: rgba(255,255,255,.13);
  --orange: #ff6a1a;
  --orange-2: #ff8b4b;
  --cyan: #68d9df;
  --white: #fff;
  --container: 1200px;
  --radius: 4px;
  --shadow: 0 24px 70px rgba(2, 12, 23, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background: var(--paper-2);
  font-family: "Microsoft YaHei", "PingFang SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
.container { width: min(calc(100% - 48px), var(--container)); margin-inline: auto; }
.section { padding: 112px 0; }
.section-dark { color: var(--white); background: var(--ink); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 1000; left: 16px; top: -100px; padding: 10px 16px; color: #fff; background: var(--orange); }
.skip-link:focus { top: 16px; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  border-bottom: 1px solid rgba(255,255,255,.1);
  transition: background .25s ease, box-shadow .25s ease;
}
.site-header.scrolled { background: rgba(7,17,29,.94); box-shadow: 0 10px 35px rgba(0,0,0,.18); backdrop-filter: blur(14px); }
.nav-shell { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: #fff; }
.brand-mark { width: 42px; height: 42px; position: relative; display: inline-grid; grid-template-columns: repeat(3,1fr); gap: 3px; transform: skewX(-10deg); }
.brand-mark i { display: block; background: var(--orange); }
.brand-mark i:nth-child(1) { height: 48%; align-self: end; }
.brand-mark i:nth-child(2) { height: 76%; align-self: end; }
.brand-mark i:nth-child(3) { height: 100%; align-self: end; }
.brand-copy { display: flex; flex-direction: column; line-height: 1.1; }
.brand-copy strong { font-size: 21px; letter-spacing: .08em; }
.brand-copy small { margin-top: 5px; color: rgba(255,255,255,.56); font-size: 9px; text-transform: uppercase; letter-spacing: .2em; }
.site-nav { display: flex; align-items: center; gap: 28px; color: rgba(255,255,255,.72); font-size: 14px; }
.site-nav a { transition: color .2s ease; }
.site-nav a:hover { color: #fff; }
.site-nav .nav-cta { padding: 10px 18px; color: #fff; border: 1px solid rgba(255,255,255,.3); }
.nav-toggle { display: none; border: 0; padding: 8px; background: transparent; }
.nav-toggle > span:not(.sr-only) { display: block; width: 24px; height: 2px; margin: 5px 0; background: #fff; }

.hero { min-height: 850px; display: flex; align-items: center; position: relative; overflow: hidden; padding: 150px 0 90px; }
.hero-grid { position: absolute; inset: 0; opacity: .3; background-image: linear-gradient(rgba(255,255,255,.055) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.055) 1px, transparent 1px); background-size: 64px 64px; mask-image: linear-gradient(to bottom, #000 45%, transparent 100%); }
.hero::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: linear-gradient(90deg, transparent, var(--orange), transparent); opacity: .6; }
.hero-glow { position: absolute; width: 440px; height: 440px; border-radius: 50%; filter: blur(120px); opacity: .13; }
.hero-glow-a { right: 12%; top: 8%; background: var(--cyan); }
.hero-glow-b { left: 18%; bottom: -180px; background: var(--orange); }
.hero-layout { position: relative; z-index: 2; display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 80px; }
.eyebrow, .kicker { margin: 0 0 24px; font-family: Consolas, Monaco, monospace; font-size: 12px; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow { color: rgba(255,255,255,.58); }
.eyebrow span { display: inline-block; width: 28px; height: 2px; margin-right: 10px; vertical-align: middle; background: var(--orange); }
.hero h1 { margin: 0; font-size: clamp(56px, 6.2vw, 92px); line-height: 1.06; letter-spacing: -.055em; font-weight: 780; }
.hero h1 em { color: transparent; font-style: normal; -webkit-text-stroke: 1px rgba(255,255,255,.72); }
.hero-lead { max-width: 660px; margin: 32px 0 0; color: rgba(255,255,255,.68); font-size: 18px; line-height: 1.9; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 42px; }
.button { display: inline-flex; min-height: 52px; align-items: center; justify-content: center; gap: 24px; padding: 0 24px; border: 1px solid transparent; font-weight: 700; transition: transform .2s ease, background .2s ease, border-color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #fff; background: var(--orange); }
.button-primary:hover { background: var(--orange-2); }
.button-ghost { color: #fff; border-color: rgba(255,255,255,.25); }
.button-ghost:hover { border-color: rgba(255,255,255,.55); }
.button-large { min-height: 62px; padding: 0 30px; font-size: 17px; }
.hero-proof { display: flex; gap: 30px; margin: 48px 0 0; padding: 30px 0 0; border-top: 1px solid var(--light-line); list-style: none; color: rgba(255,255,255,.64); font-size: 13px; }
.hero-proof li { display: flex; align-items: center; gap: 8px; }
.hero-proof span { color: var(--orange); font-family: Consolas, monospace; }

.discovery-panel { padding: 18px; border: 1px solid rgba(255,255,255,.14); background: rgba(10,27,43,.72); box-shadow: 0 35px 100px rgba(0,0,0,.3); backdrop-filter: blur(10px); }
.panel-top { display: flex; justify-content: space-between; padding: 4px 4px 18px; color: rgba(255,255,255,.52); font: 10px/1.2 Consolas, monospace; letter-spacing: .1em; }
.status { color: #8ce8c7; }
.status i { display: inline-block; width: 6px; height: 6px; margin-right: 6px; border-radius: 50%; background: #41d99d; box-shadow: 0 0 12px #41d99d; }
.radar { position: relative; aspect-ratio: 1; overflow: hidden; border: 1px solid rgba(255,255,255,.08); background: radial-gradient(circle at center, rgba(104,217,223,.06), transparent 52%); }
.radar::after { content: ""; position: absolute; inset: 50% 0 auto 50%; width: 45%; height: 1px; transform-origin: left; background: linear-gradient(90deg, rgba(104,217,223,.7), transparent); animation: sweep 7s linear infinite; }
@keyframes sweep { to { transform: rotate(360deg); } }
.radar-ring { position: absolute; left: 50%; top: 50%; border: 1px solid rgba(104,217,223,.14); border-radius: 50%; transform: translate(-50%,-50%); }
.ring-a { width: 84%; height: 84%; }.ring-b { width: 58%; height: 58%; }.ring-c { width: 30%; height: 30%; }
.radar-line { position: absolute; background: rgba(255,255,255,.07); }
.line-x { left: 8%; right: 8%; top: 50%; height: 1px; }.line-y { top: 8%; bottom: 8%; left: 50%; width: 1px; }
.core-node { position: absolute; left: 50%; top: 50%; width: 94px; height: 94px; display: flex; flex-direction: column; align-items: center; justify-content: center; transform: translate(-50%,-50%); border: 1px solid var(--orange); border-radius: 50%; background: var(--ink); box-shadow: 0 0 40px rgba(255,106,26,.2); }
.core-node strong { color: var(--orange); font-size: 26px; letter-spacing: .08em; }.core-node small { color: rgba(255,255,255,.5); font-size: 9px; }
.data-node { position: absolute; min-width: 98px; padding: 9px 12px; border-left: 2px solid var(--cyan); background: rgba(7,17,29,.92); box-shadow: 0 8px 30px rgba(0,0,0,.2); }
.data-node b, .data-node small { display: block; }.data-node b { font-size: 13px; }.data-node small { color: rgba(255,255,255,.48); font-size: 9px; }
.node-a { left: 9%; top: 19%; }.node-b { right: 7%; top: 23%; }.node-c { left: 12%; bottom: 14%; }.node-d { right: 9%; bottom: 17%; }
.panel-stats { display: grid; grid-template-columns: repeat(3,1fr); margin-top: 14px; border: 1px solid rgba(255,255,255,.08); }
.panel-stats div { padding: 15px; border-right: 1px solid rgba(255,255,255,.08); }.panel-stats div:last-child { border: 0; }
.panel-stats small, .panel-stats strong { display: block; }.panel-stats small { color: rgba(255,255,255,.35); font: 9px Consolas, monospace; }.panel-stats strong { margin-top: 5px; font-size: 13px; }

.signal-bar { overflow: hidden; color: #fff; background: var(--orange); }
.signal-track { display: flex; width: max-content; align-items: center; min-height: 58px; animation: marquee 30s linear infinite; }
.signal-track span { padding: 0 28px; font-weight: 800; letter-spacing: .05em; white-space: nowrap; }
.signal-track i { width: 6px; height: 6px; transform: rotate(45deg); background: var(--ink); opacity: .45; }
@keyframes marquee { to { transform: translateX(-50%); } }

.section-heading { max-width: 820px; margin-bottom: 56px; }
.section-heading .kicker, .industry-intro .kicker, .faq-intro .kicker { color: var(--orange); }
.section-heading h2, .industry-intro h2, .tech-copy h2, .faq-intro h2, .contact-copy h2 { margin: 0; font-size: clamp(38px, 4vw, 58px); line-height: 1.2; letter-spacing: -.04em; }
.section-heading > p:last-child, .industry-intro > p, .tech-copy > p, .faq-intro > p, .contact-copy > p { margin: 24px 0 0; color: var(--muted); font-size: 17px; }
.heading-row { max-width: none; display: grid; grid-template-columns: 1fr .65fr; align-items: end; gap: 80px; }
.heading-row > p { margin: 0; }

.problem-section { background: var(--paper-2); }
.problem-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.problem-card { min-height: 300px; padding: 32px; position: relative; overflow: hidden; border: 1px solid var(--line); background: #fff; transition: transform .25s ease, box-shadow .25s ease; }
.problem-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.card-index { color: var(--orange); font: 12px Consolas, monospace; }
.problem-card h3 { margin: 62px 0 14px; font-size: 28px; }
.problem-card p { margin: 0; color: var(--muted); }
.card-signal { position: absolute; right: 24px; top: 27px; display: flex; align-items: end; gap: 4px; height: 36px; }
.card-signal i { width: 5px; background: var(--ink); opacity: .14; }.card-signal i:nth-child(1){height:30%}.card-signal i:nth-child(2){height:55%}.card-signal i:nth-child(3){height:78%}.card-signal i:nth-child(4){height:100%;background:var(--orange);opacity:1}

.method-section { position: relative; }
.method-section .section-heading > p, .tech-section .tech-copy > p, .contact-copy > p { color: rgba(255,255,255,.56); }
.method-stack { border-top: 1px solid var(--light-line); }
.method-row { display: grid; grid-template-columns: 80px 220px 1fr 180px; align-items: center; gap: 30px; min-height: 135px; border-bottom: 1px solid var(--light-line); transition: padding .25s ease, background .25s ease; }
.method-row:hover { padding-inline: 18px; background: rgba(255,255,255,.025); }
.method-no { color: var(--orange); font: 13px Consolas, monospace; }.method-row div p { margin: 0 0 4px; color: var(--cyan); font: 10px Consolas, monospace; letter-spacing: .13em; }.method-row h3 { margin: 0; font-size: 23px; }.method-row > p { color: rgba(255,255,255,.58); }.method-tag { justify-self: end; color: rgba(255,255,255,.35); font: 10px Consolas, monospace; letter-spacing: .12em; }

.solutions-section { background: var(--paper); }
.solution-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 18px; }
.solution-card { min-height: 320px; padding: 34px; border: 1px solid var(--line); background: var(--paper-2); }
.solution-feature { grid-row: span 2; color: #fff; background: var(--ink-2); border-color: var(--ink-2); }
.solution-label { color: var(--orange); font: 11px Consolas, monospace; letter-spacing: .14em; }
.solution-card h3 { margin: 54px 0 14px; font-size: 28px; }.solution-feature h3 { margin-top: 92px; font-size: 36px; }
.solution-card > p { color: var(--muted); }.solution-feature > p { color: rgba(255,255,255,.58); }
.solution-card ul { margin: 26px 0 0; padding: 0; list-style: none; }
.solution-card li { padding: 8px 0; border-top: 1px solid rgba(100,110,120,.18); font-size: 14px; }
.solution-feature li { border-color: var(--light-line); }
.solution-card > a { display: inline-flex; gap: 28px; margin-top: 35px; color: var(--orange); font-weight: 700; }

.industry-section { background: #fff; }
.industry-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 100px; }
.industry-intro { position: sticky; top: 130px; align-self: start; }
.text-link { display: inline-flex; gap: 32px; margin-top: 34px; padding-bottom: 8px; border-bottom: 1px solid var(--text); font-weight: 700; }
.industry-list { border-top: 1px solid var(--line); }
.industry-item { display: grid; grid-template-columns: 70px 200px 1fr; align-items: center; min-height: 100px; border-bottom: 1px solid var(--line); }
.industry-item span { color: var(--orange); font: 11px Consolas, monospace; }.industry-item h3 { margin: 0; font-size: 21px; }.industry-item p { margin: 0; color: var(--muted); }

.tech-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px 90px; align-items: start; }
.tech-terminal { border: 1px solid var(--light-line); background: #050d16; box-shadow: 0 30px 80px rgba(0,0,0,.22); }
.terminal-bar { display: flex; align-items: center; gap: 7px; padding: 13px 16px; border-bottom: 1px solid var(--light-line); }
.terminal-bar span { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,.25); }.terminal-bar span:first-child { background: var(--orange); }.terminal-bar b { margin-left: auto; color: rgba(255,255,255,.35); font: 10px Consolas, monospace; }
.terminal-body { padding: 16px 22px; }
.terminal-body p { display: grid; grid-template-columns: 38px 1fr 1fr 60px; gap: 12px; margin: 0; padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.06); font: 11px Consolas, monospace; }
.terminal-body i { color: rgba(255,255,255,.25); font-style: normal; }.terminal-body span { color: var(--cyan); }.terminal-body b { color: rgba(255,255,255,.62); font-weight: 400; }.terminal-body em { color: #61d7a4; font-style: normal; text-align: right; }
.tech-pill-grid { grid-column: 1/-1; display: grid; grid-template-columns: repeat(6,1fr); gap: 10px; }
.tech-pill-grid span { padding: 18px 10px; border: 1px solid var(--light-line); color: rgba(255,255,255,.65); text-align: center; font-size: 13px; }

.process-section { background: var(--paper-2); }
.process-list { display: grid; grid-template-columns: repeat(3,1fr); margin: 0; padding: 0; border-top: 1px solid var(--line); border-left: 1px solid var(--line); list-style: none; }
.process-list li { min-height: 190px; display: flex; flex-direction: column; justify-content: space-between; padding: 28px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.process-list span { color: var(--orange); font: 12px Consolas, monospace; }.process-list h3 { margin: 0 0 6px; font-size: 23px; }.process-list p { margin: 0; color: var(--muted); font-size: 14px; }

.faq-section { background: #fff; }
.faq-layout { display: grid; grid-template-columns: .65fr 1.35fr; gap: 100px; }
.faq-intro { position: sticky; top: 130px; align-self: start; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 27px 0; cursor: pointer; list-style: none; font-size: 19px; font-weight: 700; }
.faq-list summary::-webkit-details-marker { display:none; }.faq-list summary span { color: var(--orange); font-size: 24px; transition: transform .2s ease; }.faq-list details[open] summary span { transform: rotate(45deg); }
.faq-list details p { margin: -5px 0 28px; padding-right: 70px; color: var(--muted); }

.contact-section { padding: 100px 0; position: relative; overflow: hidden; }
.contact-section::before { content: "OE"; position: absolute; right: -25px; bottom: -130px; color: rgba(255,255,255,.025); font-size: 430px; font-weight: 900; line-height: 1; }
.contact-layout { position: relative; display: grid; grid-template-columns: 1.2fr .8fr; align-items: end; gap: 90px; }
.contact-action { padding: 30px; border-left: 1px solid var(--light-line); }
.contact-action p { margin: 20px 0 0; color: rgba(255,255,255,.64); }.contact-action p a { color: #fff; }.contact-action small { display: block; margin-top: 8px; color: rgba(255,255,255,.3); }

.site-footer { padding: 70px 0 24px; color: rgba(255,255,255,.6); background: #030911; }
.footer-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }.footer-brand { margin-bottom: 18px; }.footer-grid > div > p { margin: 0; }
.footer-links { display: grid; grid-template-columns: repeat(2,1fr); gap: 40px; }.footer-links div { display: flex; flex-direction: column; gap: 8px; }.footer-links strong { margin-bottom: 9px; color: #fff; }.footer-links a:hover { color: var(--orange); }
.footer-bottom { display: flex; justify-content: space-between; gap: 30px; margin-top: 60px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.08); font-size: 12px; }.footer-bottom p { margin: 0; }

.reveal { opacity: 0; transform: translateY(20px); transition: opacity .65s ease, transform .65s ease; }.reveal.visible { opacity: 1; transform: none; }.delay-1 { transition-delay: .1s; }.delay-2 { transition-delay: .2s; }

@media (max-width: 980px) {
  .site-nav { position: absolute; left: 0; right: 0; top: 78px; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 16px 24px 24px; background: var(--ink); border-top: 1px solid var(--light-line); }
  .site-nav.open { display: flex; }.site-nav a { padding: 13px 0; border-bottom: 1px solid var(--light-line); }.site-nav .nav-cta { margin-top: 12px; text-align: center; border: 1px solid rgba(255,255,255,.25); }
  .nav-toggle { display: block; }
  .hero-layout, .industry-layout, .tech-layout, .faq-layout, .contact-layout { grid-template-columns: 1fr; }
  .hero { min-height: auto; }.hero-layout { gap: 60px; }.discovery-panel { max-width: 620px; }
  .heading-row { grid-template-columns: 1fr; gap: 20px; }
  .method-row { grid-template-columns: 60px 180px 1fr; }.method-tag { display: none; }
  .industry-layout, .faq-layout { gap: 55px; }.industry-intro, .faq-intro { position: static; }
  .tech-layout { gap: 50px; }.tech-pill-grid { grid-template-columns: repeat(4,1fr); }
  .contact-action { border-left: 0; border-top: 1px solid var(--light-line); }
}

@media (max-width: 720px) {
  .container { width: min(calc(100% - 32px), var(--container)); }.section { padding: 78px 0; }
  .hero { padding-top: 125px; }.hero h1 { font-size: clamp(48px, 14vw, 68px); }.hero-lead { font-size: 16px; }.hero-proof { gap: 15px; flex-direction: column; }
  .problem-grid, .solution-grid, .process-list { grid-template-columns: 1fr; }.solution-feature { grid-row: auto; }.solution-feature h3 { margin-top: 54px; }
  .method-row { grid-template-columns: 44px 1fr; padding: 26px 0; }.method-row > p { grid-column: 2; margin: 0; }
  .industry-item { grid-template-columns: 44px 1fr; padding: 20px 0; }.industry-item p { grid-column: 2; }
  .tech-pill-grid { grid-template-columns: repeat(2,1fr); }.terminal-body p { grid-template-columns: 28px 1fr; }.terminal-body b { grid-column: 2; }.terminal-body em { display: none; }
  .footer-grid { grid-template-columns: 1fr; }.footer-bottom { flex-direction: column; }.panel-top { gap: 12px; }.panel-top .status { display: none; }
  .data-node { min-width: 84px; padding: 7px 9px; }.node-a { left: 4%; }.node-b { right: 3%; }.node-c { left: 5%; }.node-d { right: 4%; }
}

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