:root {
  --ink: #18261f;
  --ink-soft: #506158;
  --canvas: #f2f4ee;
  --paper: #fbfcf8;
  --line: #dce4da;
  --leaf: #7ba653;
  --leaf-dark: #294b35;
  --lime: #d8ed9b;
  --amber: #e7ab55;
  --coral: #cd6d5a;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; overflow-x: hidden; background: var(--canvas); color: var(--ink); font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; line-height: 1.5; }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
.section-shell { width: min(calc(100% - 64px), var(--max)); margin: 0 auto; }

.site-header { height: 78px; padding: 0 max(32px, calc((100vw - var(--max)) / 2)); display: flex; align-items: center; justify-content: space-between; background: rgba(242, 244, 238, .96); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; backdrop-filter: blur(12px); }
.brand { display: inline-flex; align-items: center; gap: 11px; }
.brand-mark { width: 36px; height: 36px; display: grid; place-items: center; border-radius: 10px; background: var(--leaf-dark); overflow: hidden; }
.brand-mark img { width: 26px; height: 26px; object-fit: contain; }
.brand-copy { display: grid; gap: 0; }
.brand-copy strong { font-size: 16px; letter-spacing: .02em; }
.brand-copy small { color: var(--ink-soft); font-size: 8px; font-weight: 700; letter-spacing: .17em; }
.site-nav { display: flex; align-items: center; gap: 32px; font-size: 13px; font-weight: 650; color: var(--ink-soft); }
.site-nav a { transition: color .2s ease; }
.site-nav a:hover { color: var(--leaf-dark); }
.nav-download { color: var(--leaf-dark); padding: 10px 15px; border: 1px solid #bed0b6; border-radius: 8px; background: #f8fbf4; }
.menu-toggle { display: none; border: 1px solid var(--line); border-radius: 7px; padding: 8px 11px; background: var(--paper); color: var(--ink); font-weight: 650; }

.hero { min-width: 0; min-height: 640px; display: grid; grid-template-columns: .94fr 1.06fr; align-items: center; gap: 72px; padding-top: 76px; padding-bottom: 82px; }
.kicker { display: flex; align-items: center; gap: 9px; color: var(--leaf); font-size: 10px; font-weight: 800; letter-spacing: .2em; margin: 0 0 22px; }
.kicker span { width: 24px; height: 2px; display: inline-block; background: var(--leaf); }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(48px, 6vw, 76px); line-height: 1.04; letter-spacing: -.045em; margin-bottom: 24px; }
h1 em, h2 em { color: var(--leaf-dark); font-style: normal; }
.hero-lede { max-width: 430px; color: var(--ink-soft); font-size: 16px; line-height: 1.8; margin-bottom: 32px; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; }
.button { min-height: 46px; display: inline-flex; align-items: center; justify-content: center; gap: 12px; padding: 0 18px; border-radius: 8px; font-size: 13px; font-weight: 750; transition: transform .2s ease, background .2s ease, border-color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #fff; background: var(--leaf-dark); box-shadow: 0 9px 18px rgba(41, 75, 53, .14); }
.button-primary:hover { background: #1d3b29; }
.button-quiet { color: var(--leaf-dark); border: 1px solid var(--line); background: transparent; }
.button-quiet:hover { border-color: #a8bca1; background: #f8faf5; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 17px; margin-top: 48px; color: var(--ink-soft); font-size: 10px; font-weight: 650; }
.status-dot, .live-label i { width: 7px; height: 7px; display: inline-block; border-radius: 50%; background: var(--leaf); box-shadow: 0 0 0 4px rgba(123, 166, 83, .16); margin-right: 6px; }

.network-stage { min-width: 0; min-height: 440px; padding: 22px; color: #dbe8d6; background: var(--ink); border-radius: 18px; box-shadow: 0 22px 50px rgba(24, 38, 31, .18); }
.stage-topline, .stage-footer { display: flex; align-items: center; justify-content: space-between; color: #94aa99; font-size: 9px; font-weight: 800; letter-spacing: .17em; }
.live-label { color: var(--lime); letter-spacing: .08em; }
.live-label i { width: 6px; height: 6px; background: var(--lime); box-shadow: none; }
.network-grid { min-height: 336px; position: relative; margin: 18px 0 12px; border: 1px solid rgba(216, 237, 155, .13); overflow: hidden; background-color: #1c3025; }
.grid-line { height: 1px; display: block; position: absolute; background: rgba(216, 237, 155, .35); transform-origin: left center; }
.line-a { width: 36%; top: 49%; left: 34%; transform: rotate(-29deg); }.line-b { width: 38%; top: 50%; left: 34%; transform: rotate(26deg); }.line-c { width: 32%; top: 51%; left: 34%; transform: rotate(0deg); }.line-d { width: 23%; top: 51%; left: 17%; transform: rotate(2deg); opacity: .35; }.line-e { width: 24%; top: 51%; left: 59%; transform: rotate(-2deg); opacity: .35; }
.node-card { display: flex; align-items: center; gap: 10px; position: absolute; min-width: 164px; padding: 12px 13px; border: 1px solid rgba(216, 237, 155, .2); border-radius: 7px; background: rgba(24, 38, 31, .9); box-shadow: 0 10px 22px rgba(0,0,0,.13); }
.node-card b, .node-card small { display: block; }.node-card b { color: #f2f6ec; font-size: 11px; }.node-card small { margin-top: 3px; color: #8fa594; font-size: 7px; letter-spacing: .07em; }.node-card strong { margin-left: auto; color: var(--lime); font-size: 15px; }
.node-card-main { top: 38%; left: 32%; min-width: 205px; padding: 15px; border-color: rgba(216, 237, 155, .46); }.node-card-east { top: 12%; right: 5%; }.node-card-west { bottom: 12%; left: 5%; }.node-card-bottom { right: 4%; bottom: 11%; }
.node-icon { width: 28px; height: 28px; display: grid; place-items: center; border-radius: 6px; background: var(--lime); }.node-icon img { width: 20px; height: 20px; }.node-pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--leaf); box-shadow: 0 0 0 4px rgba(123, 166, 83, .14); }.node-pulse.amber { background: var(--amber); box-shadow: 0 0 0 4px rgba(231, 171, 85, .14); }.node-pulse.coral { background: var(--coral); box-shadow: 0 0 0 4px rgba(205, 109, 90, .14); }
.node-caption { position: absolute; color: #7f9986; font-size: 8px; letter-spacing: .1em; }.caption-top { top: 24%; left: 24%; }.caption-right { top: 27%; right: 24%; }.caption-bottom { bottom: 24%; left: 40%; }
.stage-footer { justify-content: flex-start; gap: 9px; padding-top: 2px; letter-spacing: .04em; }.stage-footer strong { color: var(--lime); font-size: 10px; letter-spacing: 0; }.stage-separator { width: 1px; height: 13px; margin: 0 8px; background: rgba(216, 237, 155, .2); }

.signal-band { background: var(--leaf-dark); color: #dfead8; }.signal-inner { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 18px; font-size: 12px; font-weight: 700; letter-spacing: .04em; }.signal-inner b { color: var(--lime); font-size: 18px; font-weight: 400; }
.content-section { padding-top: 116px; padding-bottom: 122px; }.section-heading { display: grid; grid-template-columns: 1fr 1fr; align-items: end; gap: 80px; margin-bottom: 48px; }.section-heading h2, .app-copy h2 { font-size: clamp(34px, 4vw, 52px); line-height: 1.11; letter-spacing: -.045em; margin-bottom: 0; }.section-heading > p { max-width: 390px; color: var(--ink-soft); font-size: 14px; line-height: 1.8; margin: 0 0 5px; }
.capability-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }.capability-card { min-height: 345px; padding: 28px 27px 25px; display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: 10px; background: var(--paper); }.feature-dark { color: #edf3e8; border-color: var(--leaf-dark); background: var(--leaf-dark); }.card-index { align-self: flex-end; color: var(--leaf); font-size: 11px; font-weight: 800; letter-spacing: .1em; }.feature-dark .card-index { color: var(--lime); }.feature-icon { width: 56px; height: 56px; display: grid; place-items: center; margin-top: 30px; margin-bottom: 30px; border-radius: 50%; color: var(--leaf-dark); background: #e6f1d9; font-size: 28px; }.feature-dark .feature-icon { color: var(--leaf-dark); background: var(--lime); }.capability-card h3 { font-size: 21px; margin-bottom: 10px; letter-spacing: -.02em; }.capability-card p { max-width: 280px; color: var(--ink-soft); font-size: 13px; line-height: 1.75; }.feature-dark p { color: #bdcdbf; }.text-link { display: inline-flex; gap: 9px; align-items: center; margin-top: auto; color: var(--leaf-dark); font-size: 12px; font-weight: 750; }.feature-dark .text-link { color: var(--lime); }.text-link span { font-size: 16px; }
.icon-bars { display: flex; align-items: end; justify-content: center; gap: 5px; padding-top: 17px; padding-bottom: 17px; }.icon-bars i { width: 5px; border-radius: 3px; background: var(--leaf-dark); }.icon-bars i:nth-child(1) { height: 13px; }.icon-bars i:nth-child(2) { height: 23px; }.icon-bars i:nth-child(3) { height: 33px; }.icon-shield { font-size: 33px; }

.workflow-section { padding: 108px 0 120px; background: #e7ece2; }.workflow-heading { margin-bottom: 62px; }.workflow-track { display: grid; grid-template-columns: 1fr 40px 1fr 40px 1fr; align-items: center; gap: 15px; }.workflow-step { position: relative; }.step-number { display: block; margin-bottom: 18px; color: var(--leaf); font-size: 11px; font-weight: 800; letter-spacing: .13em; }.step-visual { height: 118px; position: relative; display: flex; align-items: center; justify-content: center; margin-bottom: 24px; border: 1px solid #c9d5c5; border-radius: 8px; background: rgba(251,252,248,.67); }.workflow-step h3 { font-size: 19px; margin-bottom: 8px; }.workflow-step p { max-width: 250px; color: var(--ink-soft); font-size: 13px; line-height: 1.7; }.track-arrow { color: var(--leaf); font-size: 28px; text-align: center; }.visual-ring { width: 50px; height: 50px; display: block; border: 1px solid var(--leaf); border-radius: 50%; box-shadow: 0 0 0 10px rgba(123,166,83,.12), 0 0 0 20px rgba(123,166,83,.07); }.visual-core { position: absolute; color: var(--leaf-dark); font-size: 28px; }.visual-sync { align-items: end; gap: 7px; padding-bottom: 30px; }.sync-bar { width: 9px; display: block; border-radius: 4px 4px 0 0; background: var(--leaf); }.sync-bar:nth-child(1) { height: 33px; }.sync-bar:nth-child(2) { height: 57px; background: var(--leaf-dark); }.sync-bar:nth-child(3) { height: 44px; background: var(--amber); }.view-screen { width: 86px; height: 56px; display: flex; align-items: end; justify-content: center; gap: 7px; padding: 11px 14px; border: 1px solid var(--leaf-dark); border-radius: 5px; }.view-screen i { width: 8px; height: 19px; display: block; border-radius: 2px 2px 0 0; background: var(--leaf); }.view-screen i:nth-child(2) { height: 29px; background: var(--leaf-dark); }.view-screen i:nth-child(3) { height: 23px; background: var(--amber); }

.app-section { padding-top: 112px; padding-bottom: 120px; }.app-panel { min-height: 390px; display: grid; grid-template-columns: 1.1fr .9fr; gap: 54px; align-items: center; padding: 53px 57px; border-radius: 14px; background: var(--ink); color: #edf3e8; overflow: hidden; }.app-copy .kicker { color: var(--lime); }.app-copy .kicker span { background: var(--lime); }.app-copy h2 { margin-bottom: 20px; }.app-copy h2 em { color: var(--lime); }.app-copy > p { max-width: 460px; color: #b9cabd; font-size: 14px; line-height: 1.8; }.app-points { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 28px; color: #d7e4d7; font-size: 11px; font-weight: 650; }.app-points span { display: inline-flex; align-items: center; gap: 8px; }.app-points b { color: var(--lime); font-size: 10px; }
.download-card { min-height: 235px; display: grid; grid-template-columns: auto 1fr; gap: 15px 14px; align-content: center; padding: 24px; border: 1px solid rgba(216,237,155,.3); border-radius: 9px; background: #21362a; }.download-icon { width: 54px; height: 54px; display: grid; place-items: center; grid-row: span 2; border-radius: 13px; background: var(--lime); }.download-icon img { width: 38px; height: 38px; }.download-label { color: var(--lime); font-size: 9px; font-weight: 800; letter-spacing: .16em; }.download-card h3 { margin: 2px 0 1px; font-size: 22px; }.download-card p { margin: 0; color: #96aa9a; font-size: 11px; }.download-button { grid-column: 1 / -1; width: 100%; margin-top: 10px; background: var(--lime); color: var(--leaf-dark); box-shadow: none; }.download-button:hover { background: #e6f4bd; }.download-note { grid-column: 1 / -1; color: #90a394; font-size: 9px; text-align: center; }
.site-footer { border-top: 1px solid var(--line); background: var(--paper); }.footer-inner { min-height: 100px; display: flex; align-items: center; gap: 32px; }.footer-inner > p { margin: 0; color: var(--ink-soft); font-size: 12px; }.footer-copy { margin-left: auto; color: #89978d; font-size: 10px; }

@media (max-width: 900px) { .section-shell { width: min(calc(100% - 40px), var(--max)); }.site-header { padding: 0 20px; }.site-nav { gap: 19px; }.hero { grid-template-columns: 1fr; gap: 42px; padding-top: 58px; }.hero-copy { max-width: 650px; }.network-stage { min-height: 420px; }.section-heading { gap: 35px; }.app-panel { padding: 43px; gap: 34px; } }
@media (max-width: 650px) { .section-shell { width: min(calc(100% - 32px), var(--max)); }.site-header { height: 68px; }.menu-toggle { display: block; }.site-nav { display: none; position: absolute; top: 67px; left: 0; right: 0; padding: 12px 16px 18px; flex-direction: column; align-items: stretch; gap: 3px; border-bottom: 1px solid var(--line); background: var(--canvas); }.site-nav.is-open { display: flex; }.site-nav a { padding: 12px 10px; }.nav-download { text-align: center; }.brand-copy small { display: none; }.hero { min-height: auto; padding-top: 48px; padding-bottom: 58px; }.hero h1 { font-size: 52px; }.hero-lede { font-size: 14px; }.hero-meta { margin-top: 35px; gap: 10px 14px; }.network-stage { width: 100%; max-width: 358px; min-height: 370px; padding: 15px; border-radius: 12px; overflow: hidden; }.stage-topline { flex-wrap: wrap; gap: 6px; font-size: 8px; }.live-label { font-size: 8px; }.network-grid { width: 100%; min-height: 286px; }.node-card { min-width: 0; max-width: 44%; padding: 9px; }.node-card-main { left: 24%; min-width: 0; max-width: 54%; }.node-card b { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 9px; }.node-card small { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 6px; }.caption-top, .caption-right, .caption-bottom { display: none; }.stage-footer { font-size: 8px; }.signal-inner { min-height: 62px; gap: 8px; font-size: 9px; }.signal-inner b { font-size: 14px; }.content-section, .app-section { padding-top: 76px; padding-bottom: 78px; }.section-heading { display: block; margin-bottom: 32px; }.section-heading > p { margin-top: 22px; font-size: 13px; }.capability-grid { grid-template-columns: 1fr; }.capability-card { min-height: 295px; }.workflow-section { padding: 78px 0; }.workflow-track { display: block; }.workflow-step { margin-bottom: 38px; }.track-arrow { display: block; height: 28px; transform: rotate(90deg); }.step-visual { height: 96px; }.app-panel { display: block; padding: 32px 24px; }.app-copy { margin-bottom: 35px; }.app-copy h2 { font-size: 40px; }.download-card { padding: 19px; }.footer-inner { min-height: 130px; flex-wrap: wrap; align-content: center; gap: 13px 20px; }.footer-inner > p { order: 3; width: 100%; }.footer-copy { margin-left: auto; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; }.button { transition: none; } }
@media (max-width: 360px) { .hero h1 { font-size: 34px; letter-spacing: -.02em; }.hero-lede { font-size: 13px; line-height: 1.7; }.hero-actions .button { padding: 0 14px; font-size: 12px; }.hero-meta { font-size: 9px; gap: 9px 10px; } }