:root {
  color-scheme: light;
  --home-ink: #111714;
  --home-ink-2: #1b2520;
  --home-paper: #f5f7f4;
  --home-surface: #ffffff;
  --home-muted: #65706a;
  --home-line: #d8ded9;
  --home-green: #176b4d;
  --home-lime: #c7f36b;
  --home-blue: #2f68df;
  --home-coral: #ef6a4c;
  --home-yellow: #d9a514;
  --home-violet: #7357c7;
  --home-width: 1240px;
  --home-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --home-sans: Inter, "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; overflow-x: hidden; background: var(--home-paper); color: var(--home-ink); font-family: var(--home-sans); letter-spacing: 0; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; letter-spacing: 0; }
img { display: block; max-width: 100%; }
.skip-link { position: fixed; top: -70px; left: 12px; z-index: 5000; padding: 10px 13px; background: #fff; color: #111; }
.skip-link:focus { top: 8px; }

.home-hero { position: relative; overflow: hidden; border-bottom: 1px solid #26322c; background: var(--home-ink); color: #f7faf8; }
.hero-inner { width: min(var(--home-width), calc(100% - 48px)); min-height: 650px; margin: 0 auto; display: grid; grid-template-columns: minmax(0, .94fr) minmax(480px, 1.06fr); align-items: center; gap: 46px; padding: 54px 0 62px; }
.hero-copy { position: relative; z-index: 2; max-width: 650px; }
.hero-kicker, .section-index { margin: 0; color: var(--home-green); font: 750 11px/1.2 var(--home-mono); text-transform: uppercase; }
.hero-kicker { display: flex; align-items: center; gap: 10px; color: #b9c3bd; }
.hero-kicker span { width: 8px; height: 8px; background: var(--home-lime); }
.hero-copy h1 { margin: 20px 0 2px; font-size: 76px; line-height: 1; letter-spacing: 0; }
.hero-statement { margin: 0; color: var(--home-lime); font-size: 40px; font-weight: 800; line-height: 1.18; }
.hero-lead { max-width: 600px; margin: 24px 0 0; color: #b6c0ba; font-size: 16px; line-height: 1.8; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 30px; }
.home-button { min-height: 43px; display: inline-flex; align-items: center; justify-content: center; padding: 0 16px; border: 1px solid #45524b; border-radius: 5px; font-size: 13px; font-weight: 750; }
.home-button.primary { border-color: var(--home-lime); background: var(--home-lime); color: var(--home-ink); }
.home-button.ghost { color: #eef3f0; }
.home-button:hover { transform: translateY(-1px); }
.hero-trust { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 28px; color: #8f9a94; font: 600 10px/1 var(--home-mono); }
.hero-trust span::before { content: "/"; margin-right: 6px; color: var(--home-lime); }

.network-scene { position: relative; min-height: 500px; isolation: isolate; }
.network-scene::before, .network-scene::after { content: ""; position: absolute; border: 1px solid #34413a; pointer-events: none; }
.network-scene::before { inset: 54px 36px 50px 42px; }
.network-scene::after { inset: 106px 92px 104px 98px; border-style: dashed; }
.network-core { position: absolute; z-index: 3; top: 50%; left: 50%; width: 116px; height: 116px; display: grid; place-content: center; transform: translate(-50%, -50%); border: 1px solid var(--home-lime); background: #17221c; text-align: center; box-shadow: 0 18px 48px rgba(0, 0, 0, .3); }
.network-core::after { content: ""; position: absolute; inset: -14px; border: 1px solid rgba(184, 255, 211, .42); border-radius: 50%; animation: core-scan 2.8s ease-out infinite; }
.network-core strong { font-size: 32px; line-height: 1; }
.network-core small { margin-top: 9px; color: var(--home-lime); font: 700 8px/1 var(--home-mono); }
.network-node { position: absolute; z-index: 4; width: 142px; min-height: 78px; padding: 12px 13px; border: 1px solid #4b5851; border-top: 4px solid var(--node-color); border-radius: 4px; background: #f8faf8; color: var(--home-ink); box-shadow: 0 12px 30px rgba(0, 0, 0, .2); transition: transform .18s ease, border-color .18s ease; }
.network-node:hover { transform: translateY(-3px); border-color: var(--node-color); }
.network-node.is-active { z-index: 5; border-color: var(--node-color); box-shadow: 0 10px 28px rgba(0, 0, 0, .28); }
.network-node span { color: var(--home-muted); font: 700 8px/1 var(--home-mono); }
.network-node strong { display: block; margin: 9px 0 4px; font: 800 13px/1 var(--home-mono); }
.network-node small { display: block; color: var(--home-muted); font-size: 10px; }
.node-trace { --node-color: var(--home-coral); top: 20px; left: 16px; }
.node-kmap { --node-color: var(--home-blue); top: 22px; right: 8px; }
.node-aihub { --node-color: var(--home-lime); right: 0; bottom: 30px; }
.node-pulse { --node-color: var(--home-yellow); bottom: 8px; left: 30px; }
.node-app { --node-color: var(--home-violet); top: 210px; right: 10px; }
.network-line { position: absolute; z-index: 1; left: 50%; top: 50%; width: 190px; height: 1px; transform-origin: left center; background: #55635c; }
.network-line::after { content: ""; position: absolute; top: -1px; left: 0; width: 26px; height: 3px; background: var(--line-signal, var(--home-lime)); animation: signal-travel 3.4s linear infinite; }
.line-trace::after { --line-signal: var(--home-coral); animation-delay: -.4s; }
.line-kmap::after { --line-signal: var(--home-blue); animation-delay: -1.1s; }
.line-aihub::after { --line-signal: var(--home-lime); animation-delay: -1.8s; }
.line-pulse::after { --line-signal: var(--home-yellow); animation-delay: -2.5s; }
.line-app::after { --line-signal: var(--home-violet); animation-delay: -3.1s; }
.line-trace { transform: rotate(-142deg); }
.line-kmap { transform: rotate(-39deg); }
.line-aihub { transform: rotate(38deg); }
.line-pulse { transform: rotate(137deg); }
.line-app { width: 210px; transform: rotate(2deg); }
@keyframes signal-travel { from { transform: translateX(0); opacity: 0; } 12% { opacity: 1; } 80% { opacity: 1; } to { transform: translateX(165px); opacity: 0; } }
@keyframes core-scan { 0% { transform: scale(.84); opacity: 0; } 28% { opacity: .8; } 100% { transform: scale(1.18); opacity: 0; } }
.network-status { position: absolute; right: 32px; bottom: 4px; display: flex; align-items: center; gap: 8px; color: #8f9a94; font: 700 8px/1 var(--home-mono); }
.network-status i { width: 7px; height: 7px; background: var(--home-lime); }

.product-band, .live-band, .workspace-band { padding: 74px max(24px, calc((100% - var(--home-width)) / 2)); }
.product-band { background: var(--home-surface); }
.section-heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, 430px); align-items: end; gap: 40px; margin-bottom: 30px; }
.section-heading.compact { margin-bottom: 22px; }
.section-heading h2 { margin: 9px 0 0; max-width: 760px; font-size: 38px; line-height: 1.15; }
.section-heading > p { margin: 0; color: var(--home-muted); font-size: 14px; line-height: 1.75; }
.product-track { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); border: 1px solid var(--home-line); }
.product-item { position: relative; min-width: 0; min-height: 226px; display: flex; flex-direction: column; padding: 22px 18px; border-right: 1px solid var(--home-line); background: #fff; transition: background .16s ease; }
.product-item:last-child { border-right: 0; }
.product-item::before { content: ""; position: absolute; top: 0; right: 0; left: 0; height: 4px; background: var(--product-color); }
.product-item.trace { --product-color: var(--home-coral); }
.product-item.kmap { --product-color: var(--home-blue); }
.product-item.aihub { --product-color: var(--home-green); }
.product-item.pulse { --product-color: var(--home-yellow); }
.product-item.app { --product-color: var(--home-violet); }
.product-item:hover { background: #f6f8f5; }
.product-item > span { color: var(--home-muted); font: 700 9px/1 var(--home-mono); }
.product-item > strong { margin: 28px 0 10px; font-size: 18px; line-height: 1.35; }
.product-item > p { margin: 0; color: var(--home-muted); font-size: 12px; line-height: 1.65; }
.product-item > b { margin-top: auto; padding-top: 24px; color: var(--product-color); font-size: 11px; }

.live-band { border-block: 1px solid var(--home-line); background: var(--home-paper); }
.live-layout { display: grid; grid-template-columns: 1.15fr .85fr; gap: 0; border: 1px solid var(--home-line); background: #fff; }
.live-column { min-width: 0; padding: 24px; }
.live-column + .live-column { border-left: 1px solid var(--home-line); }
.live-column-head { display: flex; align-items: end; justify-content: space-between; gap: 20px; padding-bottom: 18px; }
.live-column-head span { color: var(--home-green); font: 700 9px/1 var(--home-mono); }
.live-column-head h3 { margin: 7px 0 0; font-size: 20px; }
.live-column-head > a { color: var(--home-green); font-size: 11px; font-weight: 700; }
.live-list, .signal-list { border-top: 1px solid var(--home-line); }
.feed-state { margin: 0; padding: 30px 0; color: var(--home-muted); font-size: 13px; }
.feed-row, .signal-list > a { position: relative; display: grid; padding: 17px 0; border-bottom: 1px solid #e9edea; }
.feed-row { grid-template-columns: minmax(0, 1fr) auto; gap: 6px 22px; }
.feed-row > span, .signal-time { color: var(--home-muted); font: 700 9px/1 var(--home-mono); }
.feed-row > strong, .signal-list strong { font-size: 14px; line-height: 1.4; }
.feed-row > small, .signal-list small { color: var(--home-muted); font-size: 11px; }
.feed-row > b { grid-row: 1 / 4; grid-column: 2; align-self: center; color: var(--home-green); font-size: 16px; }
.signal-list > a { gap: 7px; }
.signal-list > a::after { content: "→"; position: absolute; top: 50%; right: 2px; color: var(--home-muted); transform: translateY(-50%); }
.signal-list strong, .signal-list small { max-width: calc(100% - 28px); }
.network-metrics { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 16px; border: 1px solid var(--home-line); background: #fff; }
.network-metrics > div { min-width: 0; padding: 18px 20px; border-right: 1px solid var(--home-line); }
.network-metrics > div:last-child { border-right: 0; }
.network-metrics span, .network-metrics small { display: block; color: var(--home-muted); }
.network-metrics span { font: 700 8px/1 var(--home-mono); }
.network-metrics strong { display: block; margin: 9px 0 4px; font-size: 22px; overflow-wrap: anywhere; }
.network-metrics small { font-size: 10px; }

.workspace-band { background: #fff; }
.workspace-shots { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.workspace-shots figure { min-width: 0; margin: 0; }
.shot-frame { aspect-ratio: 16 / 9; overflow: hidden; border: 1px solid #c9d0cb; border-radius: 6px; background: #e9ecea; }
.shot-frame img { width: 100%; height: 100%; object-fit: cover; object-position: top left; transition: transform .35s ease; }
.workspace-shots figure:hover img { transform: scale(1.015); }
.workspace-shots figcaption { display: grid; grid-template-columns: 1fr auto; gap: 8px 18px; padding: 16px 2px 0; }
.workspace-shots figcaption span { grid-column: 1 / -1; color: var(--home-muted); font: 700 9px/1 var(--home-mono); }
.workspace-shots figcaption strong { font-size: 15px; }
.workspace-shots figcaption a { color: var(--home-green); font-size: 11px; font-weight: 700; }

.trust-band { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; padding: 76px max(24px, calc((100% - var(--home-width)) / 2)); background: var(--home-ink-2); color: #f7faf8; }
.section-index.light { color: var(--home-lime); }
.trust-copy h2 { margin: 12px 0 18px; max-width: 510px; font-size: 38px; line-height: 1.15; }
.trust-copy p:not(.section-index) { margin: 0; max-width: 540px; color: #adb9b2; font-size: 14px; line-height: 1.8; }
.trust-copy a { display: inline-block; margin-top: 24px; color: var(--home-lime); font-size: 12px; font-weight: 700; }
.trust-flow { display: grid; grid-template-columns: repeat(4, 1fr); align-self: center; margin: 0; padding: 0; border-top: 1px solid #56625b; list-style: none; }
.trust-flow li { position: relative; min-width: 0; padding: 22px 14px 0 0; }
.trust-flow li::before { content: ""; position: absolute; top: -5px; left: 0; width: 9px; height: 9px; background: var(--home-lime); }
.trust-flow li:not(:last-child)::after { content: "→"; position: absolute; top: 20px; right: 12px; color: #718078; }
.trust-flow span, .trust-flow small { display: block; color: #8f9b94; }
.trust-flow span { font: 700 9px/1 var(--home-mono); }
.trust-flow strong { display: block; margin: 23px 0 8px; font-size: 15px; }
.trust-flow small { padding-right: 16px; font-size: 10px; line-height: 1.55; }

.start-band { display: grid; grid-template-columns: .85fr 1.15fr; align-items: center; gap: 60px; padding: 64px max(24px, calc((100% - var(--home-width)) / 2)); background: var(--home-lime); }
.start-band .section-index { color: #32533f; }
.start-band h2 { margin: 9px 0 0; font-size: 36px; }
.start-search label { display: block; margin-bottom: 9px; color: #405247; font-size: 11px; font-weight: 700; }
.start-search > div { display: flex; border: 1px solid #617c6b; border-radius: 5px; overflow: hidden; background: #fff; }
.start-search input { min-width: 0; height: 52px; flex: 1; border: 0; padding: 0 16px; outline: 0; background: #fff; color: var(--home-ink); }
.start-search button { min-width: 112px; border: 0; background: var(--home-ink); color: #fff; font-size: 12px; font-weight: 750; cursor: pointer; }

.home-footer { display: grid; grid-template-columns: 1fr auto; gap: 26px 50px; padding: 40px max(24px, calc((100% - var(--home-width)) / 2)); border-top: 1px solid var(--home-line); background: #fff; }
.footer-brand { display: flex; align-items: center; gap: 9px; }
.footer-brand span { width: 28px; height: 28px; display: grid; place-items: center; border-radius: 4px; background: var(--home-ink); color: #fff; font: 800 9px/1 var(--home-mono); }
.footer-brand strong { font-size: 14px; }
.home-footer p { margin: 7px 0 0 37px; color: var(--home-muted); font-size: 10px; }
.home-footer nav { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: 20px; }
.home-footer nav a, .footer-record { color: var(--home-muted); font-size: 10px; }
.footer-record { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 14px; padding-top: 18px; border-top: 1px solid var(--home-line); }

a:focus-visible, button:focus-visible, input:focus-visible { outline: 3px solid rgba(47, 104, 223, .35); outline-offset: 3px; }

@media (max-width: 1040px) {
  .hero-inner { grid-template-columns: minmax(0, 1fr) 440px; gap: 20px; }
  .hero-copy h1 { font-size: 64px; }
  .hero-statement { font-size: 34px; }
  .product-track { grid-template-columns: repeat(6, 1fr); }
  .product-item { grid-column: span 2; border-bottom: 1px solid var(--home-line); }
  .product-item:nth-child(3) { border-right: 0; }
  .product-item:nth-child(4), .product-item:nth-child(5) { grid-column: span 3; border-bottom: 0; }
}

@media (max-width: 820px) {
  .hero-inner { min-height: 0; grid-template-columns: 1fr; padding: 42px 0 28px; }
  .hero-copy { max-width: 680px; }
  .network-scene { min-height: 330px; }
  .network-scene::before { inset: 34px 22px 34px; }
  .network-scene::after { inset: 78px 66px 72px; }
  .network-core { width: 90px; height: 90px; }
  .network-node { width: 125px; min-height: 68px; padding: 9px; }
  .node-trace, .node-kmap { top: 4px; }
  .node-pulse, .node-aihub { bottom: 4px; }
  .node-app { top: 130px; }
  .network-line { width: 145px; }
  .line-app { width: 150px; }
  .section-heading { grid-template-columns: 1fr; align-items: start; gap: 12px; }
  .live-layout, .trust-band, .start-band { grid-template-columns: 1fr; }
  .live-column + .live-column { border-top: 1px solid var(--home-line); border-left: 0; }
  .network-metrics { grid-template-columns: 1fr 1fr; }
  .network-metrics > div:nth-child(2) { border-right: 0; }
  .network-metrics > div:nth-child(-n+2) { border-bottom: 1px solid var(--home-line); }
  .workspace-shots { grid-template-columns: 1fr; }
  .trust-band { gap: 46px; }
  .start-band { gap: 24px; }
}

@media (max-width: 620px) {
  .hero-inner { width: min(100% - 28px, var(--home-width)); padding-top: 34px; }
  .hero-copy h1 { margin-top: 16px; font-size: 44px; }
  .hero-statement { font-size: 29px; }
  .hero-lead { margin-top: 18px; font-size: 14px; line-height: 1.72; }
  .hero-actions { margin-top: 22px; }
  .hero-trust { gap: 11px; margin-top: 20px; }
  .network-scene { min-height: 294px; margin-top: -8px; }
  .network-scene::before { inset: 38px 0 28px; }
  .network-scene::after { inset: 72px 38px 62px; }
  .network-core { top: 50%; left: 50%; width: 72px; height: 72px; }
  .network-core strong { font-size: 22px; }
  .network-node { width: 105px; min-height: 59px; padding: 7px; }
  .network-node strong { margin: 5px 0 2px; font-size: 11px; }
  .network-node small { font-size: 8px; }
  .node-trace { left: 0; }
  .node-kmap { right: 0; }
  .node-pulse { left: 0; }
  .node-aihub { right: 0; }
  .node-app { top: 118px; right: -3px; }
  .network-status { display: none; }
  .network-line { width: 100px; }
  .line-app { width: 110px; }
  .product-band, .live-band, .workspace-band { padding: 54px 14px; }
  .section-heading h2, .trust-copy h2 { font-size: 30px; }
  .product-track { grid-template-columns: 1fr; }
  .product-item, .product-item:nth-child(4), .product-item:nth-child(5) { grid-column: auto; min-height: 178px; border-right: 0; border-bottom: 1px solid var(--home-line); }
  .product-item:last-child { border-bottom: 0; }
  .product-item > strong { margin-top: 22px; }
  .live-column { padding: 18px 14px; }
  .live-column-head { align-items: start; flex-direction: column; gap: 8px; }
  .network-metrics { grid-template-columns: 1fr; }
  .network-metrics > div { border-right: 0; border-bottom: 1px solid var(--home-line); }
  .network-metrics > div:last-child { border-bottom: 0; }
  .workspace-shots figcaption { grid-template-columns: 1fr; }
  .workspace-shots figcaption span { grid-column: auto; }
  .trust-band, .start-band { padding: 56px 14px; }
  .trust-flow { grid-template-columns: 1fr 1fr; border-top: 0; }
  .trust-flow li { min-height: 130px; border-top: 1px solid #56625b; }
  .trust-flow li:not(:last-child)::after { display: none; }
  .start-band h2 { font-size: 30px; }
  .start-search > div { display: grid; }
  .start-search button { min-height: 46px; }
  .home-footer { grid-template-columns: 1fr; padding: 34px 14px; }
  .home-footer nav { justify-content: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
