:root {
  --ink: #091712;
  --ink-soft: #22352d;
  --forest: #071b14;
  --forest-raised: #0d281e;
  --paper: #f3f1e9;
  --white: #fffefa;
  --lime: #cfff3d;
  --lime-dark: #6f9000;
  --line: rgba(9, 23, 18, 0.16);
  --muted: #64736d;
  --radius-md: 20px;
  --radius-lg: 32px;
  --shadow: 0 24px 70px rgba(7, 27, 20, 0.12);
  --container: 1240px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
  --space-12: 48px;
  --space-16: 64px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "HarmonyOS Sans SC", "MiSans", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
:focus-visible { outline: 3px solid var(--lime-dark); outline-offset: 4px; }

.skip-link {
  position: fixed; z-index: 100; top: 12px; left: 12px;
  padding: 10px 16px; border-radius: 8px;
  color: var(--forest); background: var(--lime);
  translate: 0 -150%; transition: translate 150ms ease-out;
}
.skip-link:focus { translate: 0; }
.container { width: min(100%, var(--container)); margin-inline: auto; padding-inline: clamp(20px, 5vw, 48px); }

.site-header { position: relative; z-index: 10; color: var(--white); background: var(--forest); border-bottom: 1px solid rgba(255,255,255,.12); }
.nav-shell { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: var(--space-8); }
.brand { display: inline-flex; align-items: center; gap: var(--space-3); min-height: 48px; }
.brand-mark { width: 44px; height: 44px; display: grid; place-items: center; border-radius: 12px; color: var(--forest); background: var(--lime); font-weight: 900; font-size: 21px; }
.brand-copy { display: grid; line-height: 1.15; gap: 5px; }
.brand-copy strong { font-size: 16px; letter-spacing: .04em; }
.brand-copy small { color: rgba(255,255,255,.55); font-size: 10px; letter-spacing: .2em; }
.site-nav { display: flex; align-items: center; gap: clamp(16px, 3vw, 36px); font-size: 14px; }
.site-nav > a:not(.nav-action) { color: rgba(255,255,255,.72); transition: color 150ms ease-out; }
.site-nav > a:not(.nav-action):hover { color: var(--white); }
.nav-action { min-height: 44px; display: inline-flex; align-items: center; padding: 0 20px; border: 1px solid rgba(255,255,255,.28); border-radius: 999px; transition: color 150ms ease-out, background 150ms ease-out; }
.nav-action:hover { color: var(--forest); background: var(--lime); }

.hero { position: relative; overflow: hidden; color: var(--white); background: radial-gradient(circle at 78% 25%, rgba(207,255,61,.09), transparent 27%), var(--forest); }
.hero::after { content: ""; position: absolute; right: -12vw; bottom: -45vw; width: 70vw; aspect-ratio: 1; border: 1px solid rgba(207,255,61,.11); border-radius: 50%; }
.hero-grid { position: relative; z-index: 1; min-height: 690px; padding-block: clamp(72px, 9vw, 118px); display: grid; grid-template-columns: minmax(0,1.05fr) minmax(390px,.95fr); align-items: center; gap: clamp(48px,7vw,96px); }
.eyebrow { margin: 0 0 var(--space-6); color: var(--lime); font-size: 12px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow.dark { color: var(--lime-dark); }
.hero h1 { margin: 0; font-size: clamp(23px,2vw,32px); line-height: 1.2; letter-spacing: .08em; }
.hero-statement { margin: var(--space-8) 0; max-width: 10ch; font-size: clamp(46px,6.3vw,82px); font-weight: 900; line-height: 1.04; letter-spacing: -.055em; }
.hero-intro { max-width: 610px; margin: 0; color: rgba(255,255,255,.68); font-size: clamp(16px,1.35vw,19px); line-height: 1.8; }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-12); }
.button { min-height: 52px; display: inline-flex; align-items: center; justify-content: center; gap: var(--space-3); padding: 0 24px; border: 1px solid transparent; border-radius: 999px; font-weight: 750; transition: transform 150ms ease-out, background 150ms ease-out, color 150ms ease-out; }
.button:hover { transform: translateY(-2px); }
.button:active { transform: translateY(0) scale(.98); }
.button-primary { color: var(--forest); background: var(--lime); }
.button-primary:hover { background: #dcff72; }
.button-secondary { color: var(--white); border-color: rgba(255,255,255,.28); background: rgba(255,255,255,.04); }
.button-secondary:hover { background: rgba(255,255,255,.1); }

.hero-system { position: relative; min-height: 475px; padding: var(--space-6); border: 1px solid rgba(255,255,255,.15); border-radius: var(--radius-lg); background: rgba(13,40,30,.58); box-shadow: 0 34px 90px rgba(0,0,0,.24); backdrop-filter: blur(10px); }
.system-header,.system-footer { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); color: rgba(255,255,255,.48); font-family: "IBM Plex Mono","SFMono-Regular",Consolas,monospace; font-size: 10px; letter-spacing: .08em; }
.system-live { display: inline-flex; align-items: center; gap: 7px; color: var(--lime); }
.system-live i { width: 7px; height: 7px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 0 5px rgba(207,255,61,.1); }
.system-core { position: relative; min-height: 350px; display: grid; place-items: center; }
.core-orbit { position: absolute; border: 1px solid rgba(207,255,61,.19); border-radius: 50%; }
.orbit-one { width: 270px; height: 270px; }
.orbit-two { width: 350px; height: 190px; rotate: -18deg; }
.core-label { position: relative; z-index: 2; width: 164px; height: 164px; display: grid; place-content: center; text-align: center; border: 1px solid rgba(207,255,61,.38); border-radius: 50%; background: var(--forest); box-shadow: 0 0 60px rgba(207,255,61,.08); }
.core-label span { color: var(--lime); font-size: 32px; font-weight: 900; line-height: 1; }
.core-label strong { margin-top: 9px; font-size: 16px; }
.core-label small { color: rgba(255,255,255,.45); font-size: 11px; }
.system-node { position: absolute; min-width: 62px; min-height: 34px; display: grid; place-items: center; padding: 6px 12px; border: 1px solid rgba(255,255,255,.19); border-radius: 999px; color: rgba(255,255,255,.78); background: var(--forest-raised); font-size: 12px; }
.node-one { top: 42px; left: 32px; }.node-two { top: 61px; right: 20px; }.node-three { right: 24px; bottom: 55px; }.node-four { left: 20px; bottom: 68px; }
.system-footer { padding-top: var(--space-4); border-top: 1px solid rgba(255,255,255,.1); }

.signal-strip { overflow: hidden; color: var(--forest); background: var(--lime); border-block: 1px solid rgba(7,27,20,.14); }
.signal-track { min-width: max-content; min-height: 54px; display: flex; align-items: center; justify-content: center; gap: clamp(16px,3vw,42px); margin-inline: auto; padding-inline: var(--space-6); font-size: 13px; font-weight: 800; letter-spacing: .08em; }
.signal-track i { width: 5px; height: 5px; border-radius: 50%; background: var(--forest); opacity: .55; }

.section { padding-block: clamp(80px,9vw,128px); }
.section-heading { display: grid; grid-template-columns: minmax(0,1.2fr) minmax(300px,.8fr); align-items: end; gap: clamp(32px,7vw,88px); margin-bottom: var(--space-16); }
.section-heading h2,.about h2,.cta-shell h2 { margin: 0; font-size: clamp(36px,4.5vw,64px); line-height: 1.12; letter-spacing: -.045em; }
.section-heading > p { max-width: 520px; margin: 0; color: var(--muted); font-size: 17px; }
.product-grid { display: grid; grid-template-columns: repeat(12,1fr); gap: var(--space-6); }
.product-card { grid-column: span 4; overflow: hidden; display: flex; flex-direction: column; min-width: 0; border: 1px solid var(--line); border-radius: var(--radius-md); background: rgba(255,254,250,.72); transition: transform 180ms ease-out, box-shadow 180ms ease-out; }
.product-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.product-card-live { grid-column: span 6; }.product-card:nth-child(2),.product-card:nth-child(3) { grid-column: span 3; }
.product-visual { position: relative; min-height: 260px; overflow: hidden; color: var(--white); background: var(--forest); }
.visual-index { position: absolute; top: var(--space-6); right: var(--space-6); font-family: "IBM Plex Mono",Consolas,monospace; font-size: 13px; letter-spacing: .12em; }
.restaurant-visual { background: linear-gradient(135deg,rgba(207,255,61,.11),transparent 48%),var(--forest); }
.dish-plate { position: absolute; left: 9%; bottom: -24%; width: 55%; aspect-ratio: 1; border: 2px solid rgba(255,255,255,.35); border-radius: 50%; background: #18271f; box-shadow: inset 0 0 0 22px #ded8c7,inset 0 0 0 25px rgba(0,0,0,.15); }
.dish-plate span { position: absolute; inset: 28%; border-radius: 38% 62% 45% 55%; background: radial-gradient(circle at 35% 35%,var(--lime) 0 3%,transparent 4%),radial-gradient(circle at 63% 48%,#f2b238 0 4%,transparent 5%),radial-gradient(circle at 45% 62%,#df5438 0 5%,transparent 6%),#8d2e20; rotate: 18deg; }
.data-panel { position: absolute; top: 74px; right: 7%; width: 42%; min-height: 126px; padding: 18px; display: grid; align-content: start; gap: 12px; border: 1px solid rgba(207,255,61,.28); border-radius: 16px; background: rgba(3,15,11,.78); rotate: -3deg; }
.data-panel i { display: block; height: 6px; border-radius: 999px; background: rgba(255,255,255,.16); }.data-panel i:nth-child(1){width:78%}.data-panel i:nth-child(2){width:55%}.data-panel i:nth-child(3){width:88%}
.data-panel b { width: 54px; height: 24px; margin-top: 6px; border-radius: 999px; background: var(--lime); }
.video-frame { position: absolute; inset: 62px 32px 38px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.25); border-radius: 18px; background: linear-gradient(145deg,#17392a,#081b14); }
.play-mark { width: 58px; height: 58px; display: grid; place-items: center; padding-left: 4px; border-radius: 50%; color: var(--forest); background: var(--lime); font-size: 18px; }
.timeline-line { position: absolute; right: 18px; bottom: 18px; left: 18px; height: 3px; border-radius: 999px; background: rgba(255,255,255,.2); }
.timeline-dot { position: absolute; bottom: 13px; left: 38%; width: 13px; height: 13px; border-radius: 50%; background: var(--lime); }
.avatar-badge { position: absolute; top: 45px; left: 20px; width: 48px; height: 48px; display: grid; place-items: center; border-radius: 15px; color: var(--forest); background: var(--lime); font-weight: 900; rotate: -8deg; }
.ledger-grid { position: absolute; inset: 55px 26px 28px; display: grid; grid-template-columns: repeat(2,1fr); gap: 8px; }
.ledger-grid span { border: 1px solid rgba(255,255,255,.11); border-radius: 10px; background: rgba(255,255,255,.03); }
.finance-visual svg { position: absolute; right: 32px; bottom: 46px; left: 32px; width: calc(100% - 64px); fill: none; stroke: var(--lime); stroke-width: 4; stroke-linecap: round; filter: drop-shadow(0 0 9px rgba(207,255,61,.25)); }
.product-body { flex: 1; padding: clamp(24px,3vw,36px); display: flex; flex-direction: column; }
.product-meta { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); color: var(--muted); font-size: 12px; }
.status { min-height: 28px; display: inline-flex; align-items: center; gap: 7px; padding: 3px 10px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); }
.status-live { color: #355000; border-color: rgba(125,157,18,.28); background: rgba(207,255,61,.28); }.status-live i { width: 7px; height: 7px; border-radius: 50%; background: #668c00; }
.product-body h3 { margin: var(--space-6) 0 var(--space-3); font-size: clamp(26px,2.4vw,38px); line-height: 1.15; letter-spacing: -.035em; }
.product-body > p { margin: 0; color: var(--muted); }
.feature-list { display: flex; flex-wrap: wrap; gap: var(--space-2); margin: var(--space-8) 0; padding: 0; list-style: none; }
.feature-list li { padding: 7px 11px; border: 1px solid var(--line); border-radius: 8px; color: var(--ink-soft); font-size: 12px; }
.product-link { min-height: 44px; margin-top: auto; display: inline-flex; align-items: center; justify-content: space-between; padding-top: var(--space-4); border-top: 1px solid var(--line); font-weight: 850; }
a.product-link:hover { color: var(--lime-dark); }.product-link-muted { color: var(--muted); }

.about { border-top: 1px solid var(--line); background: var(--white); }
.about-grid { display: grid; grid-template-columns: minmax(300px,.85fr) minmax(0,1.15fr); gap: clamp(52px,10vw,132px); }
.about-lead { max-width: 610px; margin: 0 0 var(--space-12); color: var(--ink-soft); font-size: clamp(21px,2.3vw,30px); line-height: 1.55; }
.principle-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: var(--space-6); }
.principle-grid article { padding-top: var(--space-4); border-top: 2px solid var(--ink); }
.principle-grid span { color: var(--lime-dark); font-family: "IBM Plex Mono",Consolas,monospace; font-size: 12px; }
.principle-grid h3 { margin: var(--space-6) 0 var(--space-3); font-size: 22px; }.principle-grid p { margin: 0; color: var(--muted); font-size: 14px; }

.cta-section { padding-block: var(--space-16); color: var(--white); background: var(--forest); }
.cta-shell { display: flex; align-items: end; justify-content: space-between; gap: var(--space-12); }
.cta-shell .eyebrow { margin-bottom: var(--space-4); }.cta-shell h2 { max-width: 790px; font-size: clamp(32px,4vw,58px); }.cta-shell .button { flex: 0 0 auto; }
.site-footer { padding-block: var(--space-12); color: rgba(255,255,255,.6); background: #04100c; border-top: 1px solid rgba(255,255,255,.1); }
.footer-grid { display: flex; justify-content: space-between; gap: var(--space-8); }.footer-grid strong { color: var(--white); font-size: 18px; }.footer-grid p { margin: 5px 0 0; font-size: 13px; }
.footer-meta { display: flex; align-items: center; gap: var(--space-6); font-size: 13px; }.footer-meta a:hover { color: var(--lime); }

@media (max-width:1050px) {
  .hero-grid { grid-template-columns: 1fr; }.hero-copy { max-width: 760px; }.hero-system { width: min(100%,620px); }
  .product-card-live,.product-card:nth-child(2),.product-card:nth-child(3) { grid-column: span 6; }.product-card:nth-child(3) { grid-column: 4 / span 6; }
  .about-grid { grid-template-columns: 1fr; }
}
@media (max-width:760px) {
  .nav-shell { min-height: 72px; }.site-nav > a:not(.nav-action) { display: none; }.nav-action { padding-inline: 15px; font-size: 12px; }.brand-copy small { display: none; }
  .hero-grid { min-height: auto; padding-block: 64px 72px; }.hero-statement { font-size: clamp(44px,14vw,64px); }.hero-system { min-height: 390px; padding: 18px; }.system-core { min-height: 280px; }
  .orbit-one { width: 215px; height: 215px; }.orbit-two { width: 275px; height: 150px; }.core-label { width: 138px; height: 138px; }.system-footer { gap: 8px; font-size: 8px; }
  .section-heading { grid-template-columns: 1fr; align-items: start; margin-bottom: var(--space-12); }
  .product-card-live,.product-card:nth-child(2),.product-card:nth-child(3) { grid-column: 1 / -1; }
  .principle-grid { grid-template-columns: 1fr; }.principle-grid article { display: grid; grid-template-columns: 40px 1fr; gap: 0 var(--space-4); }.principle-grid h3 { margin-top: 0; }.principle-grid p { grid-column: 2; }
  .cta-shell,.footer-grid,.footer-meta { align-items: flex-start; flex-direction: column; }.cta-shell .button { width: 100%; }
}
@media (max-width:420px) {
  .brand-mark { width: 40px; height: 40px; }.brand-copy strong { font-size: 14px; }.nav-action { max-width: 118px; text-align: center; line-height: 1.25; }
  .hero-actions .button { width: 100%; }.node-one { left: 3px; }.node-two,.node-three { right: 0; }.node-four { left: 0; }
}
@media (prefers-reduced-motion:reduce) {
  html { scroll-behavior: auto; } *,*::before,*::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}