:root {
  --signal: #ffc400;
  --signal-soft: #ffe27a;
  --ink: #11130f;
  --ink-2: #1b1f19;
  --graphite: #666a63;
  --paper: #f2f0e8;
  --paper-2: #e5e4dc;
  --white: #fffef8;
  --line: rgba(17, 19, 15, 0.18);
  --line-dark: rgba(255, 254, 248, 0.18);
  --display: "Barlow Condensed", Impact, "Arial Narrow", sans-serif;
  --body: "Manrope", Arial, sans-serif;
  --mono: "IBM Plex Mono", Consolas, monospace;
  --max: 1320px;
  --header: 72px;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --ease: cubic-bezier(.2, .8, .2, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { background: var(--paper); color: var(--ink); font-family: var(--body); margin: 0; overflow-x: hidden; }
body::before { background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.28'/%3E%3C/svg%3E"); content: ""; inset: 0; opacity: .025; pointer-events: none; position: fixed; z-index: 90; }
body.menu-open { overflow: hidden; }
main { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, select, textarea { color: inherit; font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
h1, h2, h3, p, figure { margin-top: 0; }
h1, h2, h3 { text-wrap: balance; }
p { text-wrap: pretty; }
section[id] { scroll-margin-top: calc(var(--header) + var(--safe-top) + 18px); }
:focus-visible { outline: 2px solid var(--signal); outline-offset: 4px; }
::selection { background: var(--signal); color: var(--ink); }

.sr-only { clip: rect(0, 0, 0, 0); clip-path: inset(50%); height: 1px; overflow: hidden; position: absolute; white-space: nowrap; width: 1px; }
.skip-link { background: var(--signal); color: var(--ink); font-size: 12px; font-weight: 800; left: 16px; padding: 12px 16px; position: fixed; top: -60px; z-index: 100; }
.skip-link:focus { top: 16px; }
.power-progress { height: 3px; left: 0; pointer-events: none; position: fixed; right: 0; top: 0; z-index: 50; }
.power-progress i { background: var(--signal); display: block; height: 100%; transform: scaleX(0); transform-origin: left center; width: 100%; }

.site-header { align-items: center; background: rgba(242, 240, 232, .94); border-bottom: 1px solid var(--line); display: grid; gap: clamp(18px, 2vw, 28px); grid-template-areas: "brand nav language cta"; grid-template-columns: 145px minmax(360px, 1fr) 80px auto; height: var(--header); left: 0; padding: 0 clamp(20px, 4vw, 64px); position: fixed; right: 0; top: 0; transition: box-shadow .25s ease, background-color .25s ease; z-index: 30; }
.site-header.is-scrolled { background: rgba(242, 240, 232, .97); box-shadow: 0 14px 42px rgba(20, 24, 18, .08); }
.brand, .footer-brand { display: block; width: 145px; }
.brand { grid-area: brand; }
.brand img, .footer-brand img { height: auto; width: 100%; }
.brand { transition: opacity .2s ease, transform .2s ease; }
.brand:hover { opacity: .72; transform: translateY(-1px); }
.primary-nav { display: flex; gap: clamp(20px, 2.4vw, 38px); grid-area: nav; justify-content: center; }
.primary-nav a, .header-cta { font-size: 11px; font-weight: 800; letter-spacing: .075em; position: relative; text-transform: uppercase; }
.primary-nav a { align-items: center; display: inline-flex; min-height: 44px; }
.primary-nav a::after { background: var(--signal); bottom: 3px; content: ""; height: 3px; left: 0; position: absolute; transform: scaleX(0); transform-origin: left; transition: transform .22s ease; width: 100%; }
.primary-nav a:hover::after, .primary-nav a:focus-visible::after, .primary-nav a[aria-current]::after { transform: scaleX(1); }
.header-cta { align-items: center; display: flex; gap: 10px; grid-area: cta; min-height: 44px; }
.header-cta span { align-items: center; background: var(--signal); display: inline-flex; font-size: 16px; height: 31px; justify-content: center; transition: transform .22s var(--ease); width: 31px; }
.header-cta:hover span { transform: translate(2px, -2px); }
.primary-nav a:active, .header-cta:active { opacity: .62; }
.language-menu { grid-area: language; min-width: 80px; position: relative; z-index: 2; }
.language-menu summary { align-items: center; background: var(--ink); color: var(--signal); cursor: pointer; display: flex; font-family: var(--mono); font-size: 10px; font-weight: 500; height: 40px; justify-content: space-between; letter-spacing: .06em; list-style: none; padding: 0 10px 0 12px; transition: background-color .2s ease, color .2s ease; }
.language-menu summary::-webkit-details-marker { display: none; }
.language-menu summary i { font-size: 14px; font-style: normal; line-height: 1; transform: translateY(-2px); transition: transform .2s var(--ease); }
.language-menu[open] summary { background: var(--signal); color: var(--ink); }
.language-menu[open] summary i { transform: translateY(1px) rotate(180deg); }
.language-popover { background: var(--ink); border: 1px solid rgba(255,196,0,.48); box-shadow: 7px 7px 0 rgba(17,19,15,.2); min-width: 146px; padding: 4px; position: absolute; right: 0; top: calc(100% + 7px); }
.language-popover button { align-items: center; background: transparent; border: 0; color: var(--white); display: grid; font-family: var(--body); font-size: 11px; gap: 11px; grid-template-columns: 31px 1fr; min-height: 44px; padding: 0 9px; text-align: left; transition: background-color .16s ease, color .16s ease; width: 100%; }
.language-popover button b { color: var(--signal); font-family: var(--mono); font-size: 10px; font-weight: 500; }
.language-popover button:hover, .language-popover button:focus-visible { background: var(--signal); color: var(--ink); outline: 0; }
.language-popover button:hover b, .language-popover button:focus-visible b { color: var(--ink); }
.language-menu[data-active-language="en"] [data-language-choice="en"], .language-menu[data-active-language="zh"] [data-language-choice="zh"] { background: rgba(255,255,255,.1); }
.menu-toggle { display: none; grid-area: menu; }

html[lang="zh-CN"] body { font-family: "Noto Sans SC", "Manrope", Arial, sans-serif; }
html[lang="zh-CN"] h1, html[lang="zh-CN"] h2, html[lang="zh-CN"] h3 { font-family: "Noto Sans SC", "Manrope", sans-serif; font-weight: 900; letter-spacing: -.045em; line-height: 1.02; text-transform: none; }
html[lang="zh-CN"] h1 { font-size: clamp(62px, 6vw, 98px); }
html[lang="zh-CN"] h2 { font-size: clamp(48px, 4.9vw, 76px); }
html[lang="zh-CN"] .primary-nav { gap: clamp(18px, 2.2vw, 34px); }
html[lang="zh-CN"] .primary-nav a, html[lang="zh-CN"] .header-cta { letter-spacing: .025em; }
html[lang="zh-CN"] .eyebrow, html[lang="zh-CN"] .section-tag span, html[lang="zh-CN"] .product-label { letter-spacing: .04em; }
html[lang="zh-CN"] .hero-lede, html[lang="zh-CN"] .manifesto-copy p, html[lang="zh-CN"] .network-head > p, html[lang="zh-CN"] .partnership-head > p, html[lang="zh-CN"] .process-head > p, html[lang="zh-CN"] .proof-head > p { line-height: 1.85; }

.hero { background: var(--ink); color: var(--white); display: grid; grid-template-columns: minmax(0, 1.04fr) minmax(430px, .96fr); min-height: min(920px, 100dvh); padding-top: var(--header); position: relative; }
.hero::before { background-image: linear-gradient(rgba(255,255,255,.075) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.075) 1px, transparent 1px); background-size: 72px 72px; bottom: 0; content: ""; left: 0; mask-image: linear-gradient(90deg, black 10%, transparent 95%); opacity: .34; position: absolute; top: var(--header); width: 57%; }
.hero-copy { align-self: center; max-width: 770px; padding: 112px 7vw 155px max(22px, calc((100vw - var(--max)) / 2 + 54px)); position: relative; z-index: 3; }
.network-state { align-items: center; border-bottom: 1px solid var(--line-dark); display: grid; font-family: var(--mono); gap: 3px 10px; grid-template-columns: 8px 1fr; margin-bottom: 64px; max-width: 290px; padding-bottom: 16px; text-transform: uppercase; }
.network-state i { animation: network-pulse 1.8s ease-in-out infinite; background: var(--signal); border-radius: 50%; grid-row: 1 / 3; height: 7px; width: 7px; }
.network-state span { color: #8f9890; font-size: 8px; letter-spacing: .12em; }
.network-state b { font-size: 9px; font-weight: 500; letter-spacing: .06em; }
@keyframes network-pulse { 50% { box-shadow: 0 0 0 7px rgba(255,196,0,0); opacity: .62; } }
.eyebrow { color: var(--signal); font-family: var(--mono); font-size: 9px; letter-spacing: .12em; margin: 0 0 20px; text-transform: uppercase; }
.eyebrow-dark { color: var(--ink); }
h1, h2 { font-family: var(--display); font-weight: 700; letter-spacing: -.055em; line-height: .78; margin: 0; text-transform: uppercase; }
h1 { font-size: clamp(80px, 8.3vw, 142px); }
h2 { font-size: clamp(62px, 6.7vw, 106px); }
h1 em, h2 em { color: var(--signal); font-style: normal; }
.hero-lede { color: #c8cec8; font-size: clamp(14px, 1.1vw, 16px); line-height: 1.72; margin: 40px 0 31px; max-width: 540px; }
.hero-actions { align-items: center; display: flex; flex-wrap: wrap; gap: 27px; }
.button { align-items: center; border: 0; display: inline-flex; font-size: 10px; font-weight: 800; gap: 25px; justify-content: space-between; letter-spacing: .06em; min-height: 54px; padding: 16px 19px; text-transform: uppercase; transition: box-shadow .22s var(--ease), transform .22s var(--ease), background-color .22s ease; }
.button-primary { background: var(--signal); box-shadow: 7px 7px 0 rgba(255,255,255,.12); color: var(--ink); min-width: 210px; }
.button-primary:hover { box-shadow: 3px 3px 0 rgba(255,255,255,.12); transform: translate(4px, 4px); }
.button:active { transform: translate(6px, 6px); }
.button span { font-size: 16px; }
.text-link { align-items: center; border-bottom: 1px solid currentColor; display: inline-flex; font-size: 10px; font-weight: 800; gap: 9px; letter-spacing: .06em; padding-bottom: 5px; text-transform: uppercase; transition: opacity .2s ease; }
.text-link:hover { opacity: .58; }
.text-link-light { color: var(--white); }
.hero-scene { align-items: center; background: var(--signal); display: flex; height: calc(100% - var(--header)); justify-content: center; margin: var(--header) 0 0; min-height: 700px; overflow: hidden; position: relative; }
.hero-scene > img { height: 100%; object-fit: contain; object-position: center; transition: transform 1.1s var(--ease); width: 100%; }
.hero-scene:hover > img { transform: scale(1.012); }

.traction { background: var(--paper); border-bottom: 1px solid var(--line); color: var(--ink); overflow: hidden; }
.traction-shell { margin: 0 auto; max-width: var(--max); padding: 52px clamp(22px, 4vw, 58px) 108px; }
.traction-kicker { border-bottom: 1px solid var(--line); display: flex; font-family: var(--mono); font-size: 8px; justify-content: space-between; letter-spacing: .11em; padding-bottom: 15px; text-transform: uppercase; }
.traction-kicker span:last-child { color: var(--graphite); }
.traction-feature { display: grid; grid-template-columns: 1.1fr .9fr; min-height: 680px; }
.traction-primary { background-color: var(--ink); background-image: linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px); background-size: 68px 68px; color: var(--white); display: flex; flex-direction: column; gap: 34px; justify-content: space-between; overflow: hidden; padding: 49px clamp(32px, 5vw, 80px) 42px; position: relative; }
.traction-primary::before { border: 1px solid rgba(255,196,0,.42); content: ""; inset: 18px; pointer-events: none; position: absolute; }
.traction-primary-intro, .traction-primary-results { position: relative; }
.traction-primary-intro { max-width: 475px; }
.traction-primary-intro .eyebrow { margin: 0 0 18px; }
.traction-primary-intro h2 { color: var(--white); font-size: clamp(46px, 4.35vw, 69px); line-height: .82; }
.traction-primary-intro > p { color: #b5beb5; font-size: 12px; line-height: 1.68; margin: 22px 0 0; max-width: 430px; }
.traction-primary-results { max-width: 425px; }
.traction-primary-label { color: var(--signal); display: block; font-family: var(--mono); font-size: 8px; letter-spacing: .1em; margin-bottom: 18px; text-transform: uppercase; }
.traction-primary strong { display: block; font-family: var(--display); font-size: clamp(134px, 13.5vw, 212px); font-variant-numeric: tabular-nums; font-weight: 800; letter-spacing: -.075em; line-height: .65; white-space: nowrap; }
.traction-primary strong span, .traction-ledger strong span { color: var(--signal); font-size: .47em; vertical-align: top; }
.traction-primary-results > p { color: #b5beb5; font-size: 13px; line-height: 1.56; margin: 28px 0 24px; max-width: 340px; }
.traction-market-strip { border-top: 1px solid rgba(255,255,255,.2); display: grid; grid-template-columns: repeat(3, 1fr); margin-bottom: 24px; }
.traction-market-strip span { color: #b5beb5; font-family: var(--mono); font-size: 8px; letter-spacing: .03em; padding-top: 14px; text-transform: uppercase; }
.traction-market-strip b { color: var(--signal); display: block; font-size: 12px; font-weight: 500; letter-spacing: .09em; margin-bottom: 7px; }
.traction-primary .text-link { align-self: flex-start; }
.traction-gallery-wrap { align-self: stretch; background: var(--ink); height: auto; min-height: 583px; overflow: hidden; padding: 6px; position: relative; }
.traction-gallery { cursor: grab; display: flex; gap: 8px; height: 100%; min-height: 0; min-width: 0; overflow-x: auto; overscroll-behavior-inline: contain; scroll-behavior: smooth; scroll-snap-type: x mandatory; scrollbar-width: none; touch-action: pan-x; }
.traction-gallery:focus-visible { outline-offset: -4px; }
.traction-gallery:active { cursor: grabbing; }
.traction-gallery::-webkit-scrollbar { display: none; }
.market-shot { align-items: center; background: var(--ink-2); display: flex; flex: 0 0 100%; justify-content: center; margin: 0; min-width: 0; overflow: hidden; scroll-snap-align: start; scroll-snap-stop: always; }
.market-shot > img { filter: saturate(.86) contrast(1.04); height: 100%; object-fit: contain; transition: filter .5s ease; width: 100%; }
.market-shot:hover > img { filter: saturate(1) contrast(1); }
.traction-ledger { border-bottom: 1px solid var(--line); border-top: 1px solid var(--line); display: grid; grid-template-columns: 1.12fr repeat(3, .96fr); list-style: none; margin: 24px 0 0; padding: 0; }
.traction-ledger li { border-left: 1px solid var(--line); min-height: 188px; padding: 31px 19px 26px; }
.traction-ledger li:first-child { border-left: 0; padding-left: 0; }
.traction-ledger strong { display: block; font-family: var(--display); font-size: clamp(54px, 5.3vw, 82px); font-variant-numeric: tabular-nums; font-weight: 800; letter-spacing: -.055em; line-height: .75; }
.traction-ledger h3 { font-family: var(--body); font-size: 10px; font-weight: 800; letter-spacing: .065em; line-height: 1.4; margin: 26px 0 0; text-transform: uppercase; }
.traction-ledger p { color: var(--graphite); font-size: 11px; line-height: 1.6; margin: 6px 0 0; max-width: 205px; }
.traction-footnote { color: var(--graphite); font-family: var(--mono); font-size: 9px; letter-spacing: .075em; margin: 22px 0 0; text-align: right; text-transform: uppercase; }

.section-shell { margin: 0 auto; max-width: var(--max); padding: 134px clamp(22px, 4vw, 58px) 150px; }
.section-tag { align-items: center; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; margin-bottom: 70px; padding-bottom: 14px; }
.section-tag span, .section-tag b { font-family: var(--mono); font-size: 8px; letter-spacing: .11em; text-transform: uppercase; }
.section-tag span { color: var(--graphite); }
.section-tag b { align-items: center; background: var(--ink); color: var(--signal); display: inline-flex; height: 24px; justify-content: center; width: 24px; }
.tag-dark { border-color: var(--line-dark); }
.tag-dark span { color: #9da59e; }
.tag-dark b { background: var(--signal); color: var(--ink); }
.tag-yellow { border-color: rgba(17,19,15,.34); }

.manifesto-grid { align-items: end; display: grid; gap: 9%; grid-template-columns: 1.25fr .75fr; }
.manifesto h2 em, .system h2 em, .partnership h2 em, .proof h2 em, .faq h2 em { color: var(--ink); }
.manifesto-copy { max-width: 445px; padding-bottom: 5px; }
.manifesto-copy .lead { color: var(--ink); font-size: 18px; font-weight: 600; line-height: 1.62; }
.manifesto-copy p:last-child { color: var(--graphite); font-size: 13px; line-height: 1.75; margin: 25px 0 0; }
.venue-ticker { align-items: center; border-bottom: 1px solid var(--line); border-top: 1px solid var(--line); display: flex; justify-content: space-between; margin-top: 90px; min-height: 73px; overflow: hidden; }
.venue-ticker span { font-family: var(--display); font-size: clamp(20px, 2.2vw, 31px); font-weight: 700; letter-spacing: -.01em; text-transform: uppercase; white-space: nowrap; }
.venue-ticker i { background: var(--signal); height: 8px; transform: rotate(45deg); width: 8px; }

.pricing { background: var(--ink); color: var(--white); }
.pricing-shell { padding-bottom: 108px; }
.pricing-head { align-items: end; display: grid; gap: 9%; grid-template-columns: 1.18fr .82fr; }
.pricing-head > p { color: #b5beb5; font-size: 14px; line-height: 1.78; margin: 0 0 8px; max-width: 420px; }
.pricing-index { border-bottom: 1px solid var(--line-dark); border-top: 1px solid var(--line-dark); display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 76px; }
.pricing-index a { align-items: center; border-left: 1px solid var(--line-dark); color: #c9d0c9; display: grid; gap: 12px; grid-template-columns: 26px 1fr auto; min-height: 72px; padding: 14px 19px; transition: background-color .25s ease, color .25s ease, padding .25s var(--ease); }
.pricing-index a:first-child { border-left: 0; }
.pricing-index a:hover { background: var(--signal); color: var(--ink); padding-left: 25px; }
.pricing-index b { color: var(--signal); font-family: var(--mono); font-size: 8px; font-weight: 500; letter-spacing: .08em; }
.pricing-index a:hover b { color: var(--ink); }
.pricing-index span { font-family: var(--mono); font-size: 9px; letter-spacing: .08em; text-transform: uppercase; }
.pricing-index i { color: var(--signal); font-size: 14px; font-style: normal; line-height: 1; }
.pricing-index a:hover i { color: var(--ink); transform: translateY(3px); }

.wattgoo-pricing { border: 1px solid var(--line-dark); border-top: 0; padding: clamp(32px, 3.6vw, 54px); }
.soudian-pricing h3, .soudian-service h3 { font-family: var(--display); font-size: clamp(46px, 4.5vw, 70px); font-weight: 700; letter-spacing: -.05em; line-height: .8; margin: 0; text-transform: uppercase; }
.soudian-pricing h3 span, .soudian-service h3 span { color: var(--signal); }
.price-schedule-grid { display: grid; gap: clamp(30px, 5vw, 76px); grid-template-columns: 1fr 1fr; }
.price-schedule { border-top: 3px solid var(--signal); }
.price-schedule header { align-items: end; border-bottom: 1px solid var(--line-dark); display: grid; gap: 8px; grid-template-columns: 1fr auto; padding: 19px 0 17px; }
.price-schedule header p { color: var(--signal); font-family: var(--mono); font-size: 9px; grid-column: 1 / -1; letter-spacing: .1em; margin: 0; text-transform: uppercase; }
.price-schedule h3 { font-family: var(--display); font-size: clamp(34px, 3.2vw, 50px); font-weight: 700; letter-spacing: -.04em; line-height: .8; margin: 0; text-transform: uppercase; }
.price-schedule header span { color: #aeb7af; font-family: var(--mono); font-size: 9px; letter-spacing: .055em; text-align: right; text-transform: uppercase; }
.price-table-wrap { overflow-x: auto; scrollbar-color: var(--signal) transparent; }
.price-table-wrap:focus-visible { outline-offset: -3px; }
.price-table-wrap table { border-collapse: collapse; min-width: 100%; width: 100%; }
.price-table-wrap th { color: #9da59e; font-family: var(--mono); font-size: 9px; font-weight: 500; letter-spacing: .085em; padding: 15px 0 12px; text-align: left; text-transform: uppercase; white-space: nowrap; }
.price-table-wrap th:last-child, .price-table-wrap td:last-child { text-align: right; }
.price-table-wrap td { border-top: 1px solid var(--line-dark); color: #e8ebe6; font-family: var(--mono); font-size: 11px; letter-spacing: .01em; padding: 14px 0; white-space: nowrap; }
.price-table-wrap td:last-child { color: var(--white); font-size: 13px; font-weight: 500; }
.price-table-wrap tbody tr { transition: background-color .2s ease, color .2s ease; }
.price-table-wrap tbody tr:hover { background: rgba(255,196,0,.13); }
.price-table-wrap tbody tr:hover td { color: var(--white); }
.price-schedule-note { border-top: 1px solid var(--line-dark); color: #9da59e; font-size: 10px; line-height: 1.68; margin: 17px 0 0; padding-top: 15px; }
.wattgoo-price-terms { border-top: 1px solid var(--line-dark); display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 47px; }
.wattgoo-price-terms p { border-left: 1px solid var(--line-dark); display: flex; flex-direction: column; gap: 8px; margin: 0; min-height: 84px; padding: 18px 20px; }
.wattgoo-price-terms p:first-child { border-left: 0; padding-left: 0; }
.wattgoo-price-terms b { color: var(--signal); font-family: var(--mono); font-size: 9px; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; }
.wattgoo-price-terms span { color: #e8ebe6; font-size: 11px; font-weight: 700; line-height: 1.5; }

.soudian-pricing { background: var(--signal); color: var(--ink); margin-top: 18px; padding: clamp(30px, 4.5vw, 68px); }
.soudian-pricing-head { align-items: end; display: grid; gap: 8%; grid-template-columns: 1.12fr .88fr; }
.soudian-pricing-head > div > p, .soudian-service > div > p:first-child { font-family: var(--mono); font-size: 10px; letter-spacing: .105em; margin: 0 0 19px; text-transform: uppercase; }
.soudian-pricing h3 span { color: var(--ink); opacity: .48; }
.soudian-pricing-head > p { color: #51420a; font-size: 13px; line-height: 1.75; margin: 0 0 7px; max-width: 390px; }
.soudian-price-grid { display: grid; gap: 0; grid-template-columns: repeat(3, 1fr); margin-top: 69px; }
.soudian-model { border-left: 1px solid rgba(17,19,15,.35); padding: 0 clamp(18px, 2.5vw, 33px); }
.soudian-model:first-child { border-left: 0; padding-left: 0; }
.soudian-model:last-child { padding-right: 0; }
.soudian-model header { border-top: 3px solid var(--ink); padding: 16px 0 15px; }
.soudian-model header p { font-family: var(--display); font-size: 30px; font-weight: 700; letter-spacing: -.03em; line-height: .9; margin: 0 0 7px; text-transform: uppercase; }
.soudian-model header span { color: #51420a; font-family: var(--mono); font-size: 9px; letter-spacing: .05em; text-transform: uppercase; }
.soudian-pricing .price-table-wrap th { color: #665409; }
.soudian-pricing .price-table-wrap td { border-color: rgba(17,19,15,.27); color: #352c07; }
.soudian-pricing .price-table-wrap td:last-child { color: var(--ink); }
.soudian-pricing .price-table-wrap tbody tr:hover { background: rgba(255,254,248,.38); }
.soudian-pricing .price-table-wrap tbody tr:hover td { color: var(--ink); }
.soudian-base { align-items: center; border-top: 1px solid rgba(17,19,15,.35); display: grid; gap: 12px; grid-template-columns: 1fr auto; margin-top: 39px; padding-top: 16px; }
.soudian-base b { font-family: var(--display); font-size: 26px; letter-spacing: -.02em; text-transform: uppercase; }
.soudian-base span { font-family: var(--mono); font-size: 10px; font-weight: 500; }

.soudian-service { background: var(--white); color: var(--ink); display: grid; gap: 9%; grid-template-columns: .82fr 1.18fr; padding: clamp(30px, 4.5vw, 68px); }
.soudian-service h3 span { color: var(--signal); }
.soudian-service > div > p:last-child { color: var(--graphite); font-size: 13px; line-height: 1.75; margin: 28px 0 0; max-width: 360px; }
.soudian-service dl { border-top: 1px solid var(--line); margin: 0; }
.soudian-service dl > div { align-items: center; border-bottom: 1px solid var(--line); display: grid; gap: 22px; grid-template-columns: .8fr 1.2fr; min-height: 56px; }
.soudian-service dt { color: var(--graphite); font-family: var(--mono); font-size: 10px; letter-spacing: .06em; text-transform: uppercase; }
.soudian-service dd { font-family: var(--mono); font-size: 11px; font-weight: 500; letter-spacing: .015em; margin: 0; }
.pricing-disclaimer { border-top: 1px solid var(--line-dark); color: #9da59e; font-size: 10px; line-height: 1.75; margin: 0; padding-top: 21px; }

.company { background: var(--paper); color: var(--ink); }
.company-overview { align-items: end; display: grid; gap: 8%; grid-template-columns: 1.1fr .9fr; }
.company-identity { border-bottom: 1px solid var(--line); border-top: 1px solid var(--line); margin: 0; }
.company-identity > div { align-items: baseline; border-top: 1px solid var(--line); display: grid; gap: 22px; grid-template-columns: 122px 1fr; min-height: 55px; padding: 13px 0; }
.company-identity > div:first-child { border-top: 0; }
.company-identity dt { color: var(--graphite); font-family: var(--mono); font-size: 9px; letter-spacing: .085em; text-transform: uppercase; }
.company-identity dd { font-family: var(--mono); font-size: 11px; font-weight: 500; letter-spacing: .01em; margin: 0; }
.company-profile { align-items: start; border-top: 1px solid var(--line); display: grid; gap: 7%; grid-template-columns: 1.45fr .55fr; margin-top: 80px; padding-top: 34px; }
.company-copy { max-width: 660px; }
.company-lede { font-size: 20px; font-weight: 600; line-height: 1.62; margin: 0; }
.company-copy > p:not(.company-lede) { color: var(--graphite); font-size: 14px; line-height: 1.78; margin: 23px 0 0; }
.company-mascot { align-items: center; display: grid; grid-template-rows: minmax(0, 1fr) auto; margin: -9px 0 0; min-height: 420px; }
.company-mascot img { filter: saturate(.88); height: 100%; justify-self: center; max-height: 370px; object-fit: contain; transition: filter .5s ease, transform .8s var(--ease); width: 100%; }
.company-mascot:hover img { filter: saturate(1); transform: translateY(-5px); }
.company-mascot figcaption { border-top: 1px solid var(--line); color: var(--graphite); display: flex; font-family: var(--mono); font-size: 9px; justify-content: space-between; letter-spacing: .075em; margin-top: 17px; padding-top: 14px; text-transform: uppercase; }
.company-mascot figcaption b { color: var(--ink); font-weight: 500; }
.company-entities { align-items: start; border-top: 1px solid var(--line); display: grid; gap: 8%; grid-template-columns: .46fr 1.54fr; margin-top: 92px; padding-top: 34px; }
.company-entities-head h3 { font-family: var(--display); font-size: clamp(40px, 3.7vw, 58px); font-weight: 700; letter-spacing: -.045em; line-height: .82; margin: 0; text-transform: uppercase; }
.company-entities-head h3 span { color: var(--signal); }
.company-entities-head > p:last-child { color: var(--graphite); font-size: 13px; line-height: 1.72; margin: 26px 0 0; max-width: 285px; }
.company-entities-table-wrap { overflow-x: auto; scrollbar-color: var(--signal) transparent; }
.company-entities-table-wrap:focus-visible { outline-offset: -3px; }
.company-entities table { border-collapse: collapse; min-width: 700px; table-layout: fixed; width: 100%; }
.company-entities col:nth-child(1) { width: 16%; }
.company-entities col:nth-child(2) { width: 36%; }
.company-entities col:nth-child(3) { width: 48%; }
.company-entities th { border-bottom: 1px solid var(--ink); color: var(--graphite); font-family: var(--mono); font-size: 9px; font-weight: 500; letter-spacing: .085em; padding: 0 18px 15px; text-align: left; text-transform: uppercase; }
.company-entities th:first-child, .company-entities td:first-child { padding-left: 0; }
.company-entities td { border-bottom: 1px solid var(--line); font-family: var(--mono); font-size: 11px; letter-spacing: .01em; line-height: 1.65; overflow-wrap: anywhere; padding: 19px 18px; vertical-align: middle; }
.company-entities td:first-child { align-items: center; display: flex; gap: 13px; min-width: 0; }
.company-entities td:first-child b { align-items: center; background: var(--ink); color: var(--signal); display: inline-flex; font-size: 8px; font-weight: 500; height: 27px; justify-content: center; letter-spacing: .06em; width: 27px; }
.company-entities td:first-child span { font-family: var(--body); font-size: 11px; font-weight: 800; }
.company-entities td:nth-child(2) { font-weight: 500; min-width: 0; }
.company-entities td:last-child { color: var(--graphite); min-width: 0; }

.network { background: var(--ink); color: var(--white); }
.network-head { align-items: end; display: grid; gap: 9%; grid-template-columns: 1.35fr .65fr; }
.network-head > p { color: #aeb7af; font-size: 13px; line-height: 1.75; margin: 0 0 8px; max-width: 390px; }
.market-map { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 91px; padding-top: 43px; position: relative; }
.map-line { border-top: 1px solid rgba(255,255,255,.24); left: 0; position: absolute; right: 0; top: 0; }
.map-line::before, .map-line::after, .map-line i, .market::before { background: var(--signal); border: 4px solid var(--ink); border-radius: 50%; content: ""; height: 13px; position: absolute; top: -7px; width: 13px; }
.map-line::before { left: 0; }
.map-line i { left: 50%; transform: translateX(-50%); }
.map-line::after { right: 0; }
.market { border-right: 1px solid var(--line-dark); min-height: 215px; padding: 7px 26px 22px; position: relative; transition: background-color .25s ease, color .25s ease, transform .25s var(--ease); }
.market:first-of-type { border-left: 1px solid var(--line-dark); }
.market::before { left: 50%; top: -57px; transform: translateX(-50%); }
.market:first-of-type::before, .market:last-of-type::before { display: none; }
.market:hover { background: var(--signal); color: var(--ink); transform: translateY(-8px); }
.market span { color: var(--signal); font-family: var(--mono); font-size: 8px; letter-spacing: .09em; }
.market:hover span, .market:hover p { color: var(--ink); }
.market h3 { font-family: var(--display); font-size: clamp(33px, 3.2vw, 50px); letter-spacing: -.04em; line-height: .85; margin: 54px 0 17px; text-transform: uppercase; }
.market p { color: #9da59e; font-size: 10px; line-height: 1.6; margin: 0; max-width: 180px; }
.network-scene { align-items: stretch; display: grid; grid-template-columns: 1.05fr .95fr; margin-top: 118px; min-height: 630px; }
.network-scene figure { margin: 0; overflow: hidden; }
.network-scene figure img { filter: saturate(.82); height: 100%; object-fit: cover; object-position: center 56%; transition: transform 1s var(--ease), filter .6s ease; width: 100%; }
.network-scene:hover figure img { filter: saturate(1); transform: scale(1.02); }
.network-scene > div { background: var(--ink-2); display: flex; flex-direction: column; justify-content: center; padding: 80px clamp(42px, 6vw, 96px); position: relative; }
.scene-number { color: rgba(255,255,255,.07); font-family: var(--display); font-size: 210px; font-weight: 800; line-height: .7; position: absolute; right: 20px; top: 45px; }
.network-scene h3 { font-family: var(--display); font-size: clamp(51px, 5.4vw, 82px); letter-spacing: -.045em; line-height: .82; margin: 0 0 28px; max-width: 520px; text-transform: uppercase; }
.network-scene > div > p:not(.eyebrow) { color: #aeb7af; font-size: 13px; line-height: 1.75; max-width: 410px; }
.network-scene .text-link { align-self: flex-start; margin-top: 24px; }

.system-head { margin-left: 12%; }
.system-stage { align-items: center; display: grid; gap: 10%; grid-template-columns: .9fr 1.1fr; margin: 76px 4% 0 12%; }
.product-frame { background: var(--signal); clip-path: polygon(0 0, 91% 0, 100% 9%, 100% 100%, 9% 100%, 0 91%); min-height: 570px; overflow: hidden; position: relative; }
.product-frame::before { border: 1px solid rgba(17,19,15,.34); clip-path: inherit; content: ""; inset: 15px; position: absolute; }
.product-frame img { filter: drop-shadow(35px 40px 28px rgba(20,24,18,.23)); height: 92%; left: 4%; object-fit: contain; position: absolute; top: 8%; transform: rotate(-2deg); transition: transform .65s var(--ease); width: 92%; }
.product-frame:hover img { transform: rotate(1deg) translateY(-7px); }
.product-label { font-family: var(--mono); font-size: 8px; left: 24px; letter-spacing: .08em; position: absolute; text-transform: uppercase; top: 25px; z-index: 2; }
.system-intro { font-size: 16px; font-weight: 600; line-height: 1.65; margin-bottom: 38px; max-width: 530px; }
.capability-list { border-top: 1px solid var(--line); margin: 0; }
.capability-list > div { align-items: start; border-bottom: 1px solid var(--line); display: grid; gap: 28px; grid-template-columns: 150px 1fr; padding: 19px 0; }
.capability-list dt { font-family: var(--display); font-size: 22px; font-weight: 700; line-height: 1; text-transform: uppercase; }
.capability-list dd { color: var(--graphite); font-size: 11px; line-height: 1.65; margin: 0; }
.user-journey { align-items: center; border-bottom: 1px solid var(--line); border-top: 1px solid var(--line); display: grid; gap: 4%; grid-template-columns: .38fr 1fr; margin-top: 115px; min-height: 124px; }
.user-journey > p { font-family: var(--mono); font-size: 9px; letter-spacing: .08em; margin: 0; text-transform: uppercase; }
.user-journey ol { display: grid; grid-template-columns: repeat(4, 1fr); list-style: none; margin: 0; padding: 0; }
.user-journey li { align-items: center; border-left: 1px solid var(--line); display: flex; gap: 14px; min-height: 70px; padding: 0 18px; }
.user-journey b { align-items: center; background: var(--ink); color: var(--signal); display: flex; font-family: var(--mono); font-size: 8px; height: 27px; justify-content: center; width: 27px; }
.user-journey span { font-size: 10px; font-weight: 700; }

.value { background: var(--signal); display: grid; grid-template-columns: 1fr 1fr; min-height: 920px; }
.value-image { min-height: 760px; overflow: hidden; position: relative; }
.value-image::after { background: linear-gradient(0deg, rgba(17,19,15,.65), transparent 40%); content: ""; inset: 0; position: absolute; }
.value-image img { height: 100%; object-fit: cover; transition: transform 1s var(--ease); width: 100%; }
.value:hover .value-image img { transform: scale(1.025); }
.value-image > span { bottom: 35px; color: var(--white); font-family: var(--mono); font-size: 8px; left: 40px; letter-spacing: .08em; position: absolute; text-transform: uppercase; z-index: 2; }
.value-content { align-self: center; padding: 110px clamp(42px, 6vw, 100px); }
.value-content h2 em { color: var(--ink); }
.value-lede { color: #51420a; font-size: 14px; line-height: 1.75; margin: 35px 0 43px; max-width: 520px; }
.value-list { border-top: 1px solid rgba(17,19,15,.34); }
.value-list article { align-items: start; border-bottom: 1px solid rgba(17,19,15,.34); display: grid; gap: 25px; grid-template-columns: 38px 1fr; padding: 22px 0; }
.value-list article > span { font-family: var(--mono); font-size: 8px; padding-top: 4px; }
.value-list h3 { font-family: var(--display); font-size: 26px; letter-spacing: -.02em; margin: 0 0 6px; text-transform: uppercase; }
.value-list p { color: #51420a; font-size: 11px; line-height: 1.6; margin: 0; }
.value-content > small { display: block; font-size: 8px; line-height: 1.5; margin-top: 18px; opacity: .62; }

.partnership-head { align-items: end; display: grid; gap: 9%; grid-template-columns: 1.3fr .7fr; }
.partnership-head > p { color: var(--graphite); font-size: 13px; line-height: 1.75; margin: 0 0 7px; max-width: 430px; }
.role-list { border-top: 1px solid var(--line); margin-top: 85px; }
.role-list article { align-items: center; border-bottom: 1px solid var(--line); display: grid; gap: 4%; grid-template-columns: 90px 1.1fr 1fr auto; min-height: 176px; padding: 28px 0; transition: background-color .25s ease, padding .25s var(--ease); }
.role-list article:hover { background: var(--white); padding-left: 24px; padding-right: 24px; }
.role-code { font-family: var(--mono); font-size: 8px; letter-spacing: .08em; }
.role-list h3 { font-family: var(--display); font-size: clamp(34px, 3.2vw, 49px); letter-spacing: -.035em; line-height: .86; margin: 0 0 9px; text-transform: uppercase; }
.role-list article > div p { color: var(--graphite); font-size: 10px; line-height: 1.6; margin: 0; max-width: 340px; }
.role-list ul { color: var(--graphite); font-size: 9px; line-height: 1.9; list-style: none; margin: 0; padding: 0; }
.role-list li::before { color: var(--signal); content: "■"; font-size: 7px; margin-right: 9px; }
.role-list article > a { border-bottom: 1px solid var(--ink); font-size: 9px; font-weight: 800; letter-spacing: .05em; padding-bottom: 5px; text-transform: uppercase; white-space: nowrap; }
.role-list article > a span { margin-left: 8px; }

.process { background: var(--ink); color: var(--white); }
.process-head { align-items: end; display: grid; gap: 9%; grid-template-columns: 1.3fr .7fr; }
.process-head > p { color: #aeb7af; font-size: 13px; line-height: 1.75; margin: 0 0 7px; max-width: 420px; }
.process-line { counter-reset: step; display: grid; grid-template-columns: repeat(4, 1fr); list-style: none; margin: 92px 0 0; padding: 0; }
.process-line li { border: 1px solid var(--line-dark); border-left: 0; min-height: 155px; padding: 22px; position: relative; }
.process-line li:first-child, .process-line li:nth-child(5) { border-left: 1px solid var(--line-dark); }
.process-line li:nth-child(n+5) { border-top: 0; }
.process-line li::after { background: var(--signal); bottom: -4px; content: ""; height: 7px; position: absolute; right: -4px; transform: rotate(45deg); width: 7px; z-index: 2; }
.process-line b { color: var(--signal); display: block; font-family: var(--mono); font-size: 9px; letter-spacing: .08em; }
.process-line span { bottom: 22px; font-family: var(--display); font-size: clamp(21px, 2vw, 29px); font-weight: 700; left: 22px; line-height: .95; position: absolute; right: 15px; text-transform: uppercase; }

.proof-head { align-items: end; display: grid; gap: 9%; grid-template-columns: 1.3fr .7fr; }
.proof-head > p { color: var(--graphite); font-size: 13px; line-height: 1.75; margin: 0 0 7px; max-width: 400px; }
.proof-gallery { display: grid; gap: 18px; grid-template-columns: 1.2fr .8fr; grid-template-rows: repeat(2, 315px); margin-top: 90px; }
.proof-gallery figure { margin: 0; overflow: hidden; position: relative; }
.proof-gallery .proof-main { grid-row: 1 / 3; }
.proof-gallery img { filter: saturate(.78); height: 100%; object-fit: cover; transition: filter .5s ease, transform .8s var(--ease); width: 100%; }
.proof-gallery .proof-main img { object-position: center 64%; }
.proof-gallery figure:nth-child(2) img { object-position: center 55%; }
.proof-gallery figure:hover img { filter: saturate(1); transform: scale(1.025); }
.proof-gallery figcaption { background: var(--signal); bottom: 0; display: flex; flex-direction: column; left: 0; min-width: 235px; padding: 15px 18px; position: absolute; }
.proof-gallery figcaption b { font-family: var(--display); font-size: 21px; text-transform: uppercase; }
.proof-gallery figcaption span { font-family: var(--mono); font-size: 7px; letter-spacing: .08em; margin-top: 3px; text-transform: uppercase; }

.faq { background: var(--paper-2); }
.faq-layout { align-items: start; display: grid; gap: 8%; grid-template-columns: .62fr 1.38fr; }
.faq-title { position: sticky; top: calc(var(--header) + 45px); }
.faq-title h2 { font-size: clamp(58px, 5.4vw, 84px); line-height: .82; }
.faq-title .text-link { margin-top: 38px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list article { align-items: start; border-bottom: 1px solid var(--line); display: grid; gap: 28px; grid-template-columns: 36px 1fr; padding: 31px 0; }
.faq-list article > span { color: var(--graphite); font-family: var(--mono); font-size: 9px; padding-top: 6px; }
.faq-list h3 { font-family: var(--display); font-size: clamp(25px, 2.2vw, 30px); letter-spacing: -.02em; margin: 0 0 12px; text-transform: uppercase; }
.faq-list p { color: var(--graphite); font-size: 13px; line-height: 1.75; margin: 0; max-width: 680px; }
html[lang="zh-CN"] .faq-title h2 { font-size: clamp(44px, 4.2vw, 64px); line-height: 1.08; }

.contact { background: var(--signal); }
.contact-main { display: grid; grid-template-columns: .82fr 1.18fr; min-height: 850px; }
.contact-intro { padding: 110px 7vw 115px max(22px, calc((100vw - var(--max)) / 2 + 54px)); }
.contact-intro h2 em { color: var(--ink); }
.contact-intro > p:not(.eyebrow) { color: #51420a; font-size: 13px; line-height: 1.75; margin: 34px 0; max-width: 480px; }
.response-note { align-items: center; border-bottom: 1px solid rgba(17,19,15,.35); border-top: 1px solid rgba(17,19,15,.35); display: flex; gap: 18px; margin: 40px 0 29px; max-width: 475px; padding: 17px 0; }
.response-note b { font-family: var(--display); font-size: 43px; line-height: 1; }
.response-note span { font-size: 9px; font-weight: 700; line-height: 1.5; max-width: 220px; text-transform: uppercase; }
.contact-email { border-bottom: 1px solid var(--ink); font-size: 10px; font-weight: 800; padding-bottom: 5px; }
.contact-email span { margin-left: 7px; }
.enquiry-form { align-self: center; background: var(--ink); color: var(--white); margin: 80px max(22px, calc((100vw - var(--max)) / 2 + 54px)) 80px 0; padding: 58px clamp(28px, 4.5vw, 70px) 62px; }
.form-grid { display: grid; gap: 24px 28px; grid-template-columns: 1fr 1fr; }
.enquiry-form label { display: block; }
.enquiry-form label > span { color: #aeb7af; display: block; font-family: var(--mono); font-size: 10px; letter-spacing: .08em; margin-bottom: 8px; text-transform: uppercase; }
.enquiry-form input, .enquiry-form select, .enquiry-form textarea { appearance: none; background: transparent; border: 0; border-bottom: 1px solid rgba(255,255,255,.28); border-radius: 0; color: var(--white); font-size: 12px; outline: 0; padding: 8px 0 11px; resize: vertical; width: 100%; }
.enquiry-form select { background-image: linear-gradient(45deg, transparent 50%, var(--signal) 50%), linear-gradient(135deg, var(--signal) 50%, transparent 50%); background-position: calc(100% - 10px) 50%, calc(100% - 6px) 50%; background-repeat: no-repeat; background-size: 4px 4px, 4px 4px; padding-right: 25px; }
.enquiry-form option { background: var(--ink); color: var(--white); }
.enquiry-form textarea { line-height: 1.55; min-height: 93px; }
.enquiry-form textarea::placeholder { color: #737b74; }
.enquiry-form input:focus, .enquiry-form select:focus, .enquiry-form textarea:focus { border-bottom-color: var(--signal); border-bottom-width: 2px; }
.enquiry-form input:focus-visible, .enquiry-form select:focus-visible, .enquiry-form textarea:focus-visible { outline: 2px solid var(--signal); outline-offset: 4px; }
.enquiry-form [aria-invalid="true"] { border-bottom-color: #ff806d; }
.field-error { color: #ff9a89; display: block; font-size: 9px; min-height: 12px; padding-top: 5px; }
.message-field { margin-top: 25px; }
.form-note { color: #8f9890; font-size: 10px; line-height: 1.55; margin: 18px 0 0; max-width: 580px; }
.form-status { color: var(--signal); font-size: 10px; font-weight: 700; line-height: 1.5; min-height: 15px; }
.form-submit { background: var(--signal); box-shadow: 7px 7px 0 rgba(255,255,255,.12); color: var(--ink); margin-top: 7px; min-width: 270px; }
.form-submit:hover { box-shadow: 3px 3px 0 rgba(255,255,255,.12); transform: translate(4px, 4px); }

.partnership-route { background: var(--ink); border-top: 1px solid rgba(17,19,15,.26); color: var(--white); overflow: hidden; }
.route-shell { margin: 0 auto; max-width: var(--max); padding: 104px clamp(22px, 4vw, 58px) 0; }
.route-list { display: grid; grid-template-columns: repeat(8, minmax(0, 1fr)); list-style: none; margin: 0; padding: 0; position: relative; }
.route-list::before { background: var(--signal); content: ""; height: 1px; left: 12px; position: absolute; right: calc(12.5% - 12px); top: 0; }
.route-list::after { animation: route-signal-horizontal 7.2s linear infinite; background: var(--signal-soft); border: 2px solid var(--ink); border-radius: 50%; content: ""; height: 9px; left: 12px; opacity: 0; position: absolute; top: -4px; width: 9px; z-index: 2; }
.route-list li { border-left: 1px solid var(--line-dark); min-height: 300px; padding: 37px 16px 37px; position: relative; transition: background-color .25s ease; }
.route-list li:last-child { border-right: 1px solid var(--line-dark); }
.route-list li::before { background: var(--signal); border: 3px solid var(--ink); border-radius: 50%; content: ""; height: 13px; left: 12px; position: absolute; top: -7px; width: 13px; }
.route-list li:hover { background: var(--ink-2); }
.route-list span { color: var(--signal); display: block; font-family: var(--mono); font-size: 9px; letter-spacing: .08em; }
.route-list h3 { font-family: var(--display); font-size: clamp(20px, 1.55vw, 23px); font-weight: 700; letter-spacing: -.025em; line-height: .87; margin: 49px 0 16px; text-transform: uppercase; }
.route-list p { color: #aeb7af; font-size: 10px; line-height: 1.68; margin: 0; }

html[lang="zh-CN"] .route-list h3 { font-family: "Noto Sans SC", "Manrope", sans-serif; font-size: clamp(18px, 1.6vw, 22px); font-weight: 900; letter-spacing: -.04em; line-height: 1.14; text-transform: none; }
html[lang="zh-CN"] .route-list p { line-height: 1.78; }
html[lang="zh-CN"] .company-copy > p:not(.company-lede), html[lang="zh-CN"] .company-entities-head > p:last-child { line-height: 1.85; }
html[lang="zh-CN"] .company-entities-head h3 { font-family: "Noto Sans SC", "Manrope", sans-serif; font-size: clamp(33px, 3.15vw, 46px); font-weight: 900; letter-spacing: -.04em; line-height: 1.08; text-transform: none; }

@keyframes route-signal-horizontal {
  0% { left: 12px; opacity: 0; }
  4% { opacity: 1; }
  96% { opacity: 1; }
  100% { left: calc(87.5% + 12px); opacity: 0; }
}

@keyframes route-signal-horizontal-tablet {
  0% { left: 12px; opacity: 0; }
  4% { opacity: 1; }
  96% { opacity: 1; }
  100% { left: calc(75% + 12px); opacity: 0; }
}

@keyframes route-signal-horizontal-tablet-row {
  0% { left: 12px; opacity: 0; }
  4% { opacity: 1; }
  96% { opacity: 1; }
  100% { left: calc(300% + 12px); opacity: 0; }
}

.site-footer { align-items: center; background: var(--white); display: grid; gap: 24px; grid-template-columns: 150px 1fr auto; padding: 30px max(22px, calc((100vw - var(--max)) / 2 + 54px)) 23px; }
.footer-brand { width: 138px; }
.site-footer > p { color: var(--graphite); font-family: var(--mono); font-size: 10px; letter-spacing: .07em; margin: 0; text-transform: uppercase; }
.site-footer nav { display: flex; gap: 19px; }
.site-footer nav a { color: var(--graphite); font-family: var(--mono); font-size: 10px; letter-spacing: .06em; text-transform: uppercase; }
.site-footer nav a:hover { color: var(--ink); }
.site-footer small { border-top: 1px solid var(--line); color: #8d918b; font-family: var(--mono); font-size: 9px; grid-column: 1 / -1; letter-spacing: .06em; padding-top: 17px; text-transform: uppercase; }
.mobile-partner-cta { display: none; }

.js [data-reveal] { opacity: 0; transform: translateY(36px); transition: opacity .78s var(--ease), transform .78s var(--ease); }
.js [data-reveal].is-visible { opacity: 1; transform: translateY(0); }

@media (min-width: 781px) and (max-width: 1120px) {
  :root { --header: 68px; }
  .site-header { gap: 13px; grid-template-areas: "brand nav language cta"; grid-template-columns: 128px minmax(335px, 1fr) 72px auto; padding-left: 28px; padding-right: 28px; }
  .brand { width: 126px; }
  .primary-nav { gap: 14px; }
  .primary-nav a { font-size: 9px; }
  .header-cta { font-size: 9px; gap: 7px; }
  .header-cta span { height: 29px; width: 29px; }
  .language-menu { min-width: 72px; }
  .language-menu summary { font-size: 9px; padding-left: 9px; padding-right: 8px; }
  .hero { grid-template-columns: 1.08fr .92fr; }
  .hero-copy { padding-left: 42px; padding-right: 45px; }
  h1 { font-size: clamp(82px, 10vw, 112px); }
  .traction-shell { padding-left: 34px; padding-right: 34px; }
  .traction-primary { padding-left: 46px; padding-right: 46px; }
  .traction-primary strong { font-size: clamp(125px, 14vw, 170px); }
  .traction-ledger li { padding-left: 15px; padding-right: 15px; }
  .pricing-index a { padding-left: 14px; padding-right: 14px; }
  .wattgoo-pricing { padding: 42px; }
  .soudian-pricing, .soudian-service { padding: 42px; }
  .network-scene > div { padding: 65px 52px; }
  .system-stage { margin-left: 4%; }
  .system-head { margin-left: 4%; }
  .company-profile { gap: 6%; grid-template-columns: 1.35fr .65fr; }
  .company-entities { gap: 6%; grid-template-columns: .48fr 1.52fr; }
  .role-list article { grid-template-columns: 70px 1.1fr .9fr auto; }
  .contact-intro { padding-left: 46px; }
  .enquiry-form { margin-right: 34px; }
  .route-list { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .route-list::before { right: calc(25% - 12px); }
  .route-list::after { animation-name: route-signal-horizontal-tablet; }
  .route-list li { border-top: 1px solid var(--line-dark); min-height: 246px; }
  .route-list li:nth-child(-n+4) { border-top: 0; }
  .route-list li:nth-child(n+5) { border-top-color: var(--signal); }
  .route-list li:nth-child(5)::after { animation: route-signal-horizontal-tablet-row 4.2s linear infinite -2.1s; background: var(--signal-soft); border: 2px solid var(--ink); border-radius: 50%; content: ""; height: 9px; left: 12px; opacity: 0; position: absolute; top: -5px; width: 9px; z-index: 2; }
  .route-list li:last-child { border-right: 1px solid var(--line-dark); }
}

@media (max-width: 780px) {
  :root { --header: 64px; }
  body { padding-bottom: calc(62px + var(--safe-bottom)); }
  .site-header { gap: 10px; grid-template-areas: "brand language menu" "nav nav nav"; grid-template-columns: 1fr 80px 44px; height: auto; min-height: calc(var(--header) + var(--safe-top)); padding: calc(9px + var(--safe-top)) 18px 9px; }
  .brand { width: 128px; }
  .header-cta { display: none; }
  .language-menu { justify-self: end; min-width: 80px; width: 80px; }
  .language-menu summary { height: 40px; }
  .menu-toggle { align-items: center; background: transparent; border: 0; display: flex; flex-direction: column; gap: 6px; height: 44px; justify-content: center; justify-self: end; padding: 0; width: 44px; }
  .menu-toggle span:not(.sr-only) { background: var(--ink); display: block; height: 2px; transition: transform .2s ease; width: 25px; }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-child(2) { transform: translateY(-4px) rotate(-45deg); }
  .primary-nav { background: var(--paper); border-top: 1px solid var(--line); box-shadow: 0 18px 32px rgba(20,24,18,.08); display: none; flex-direction: column; gap: 0; grid-column: auto; margin: 9px -18px -9px; padding: 8px 18px calc(16px + var(--safe-bottom)); }
  .primary-nav.open { display: flex; }
  .primary-nav a { font-size: 11px; min-height: 46px; padding: 0; }
  .primary-nav a::after { bottom: 8px; width: 28px; }
  .hero { display: flex; flex-direction: column; min-height: auto; padding-top: calc(var(--header) + var(--safe-top)); }
  .hero::before { background-size: 54px 54px; bottom: auto; height: 690px; mask-image: none; opacity: .4; top: calc(var(--header) + var(--safe-top)); width: 100%; }
  .hero-copy { max-width: 540px; padding: 60px 20px 61px; }
  .network-state { margin-bottom: 44px; }
  h1 { font-size: clamp(68px, 19vw, 93px); }
  h2 { font-size: clamp(55px, 16.2vw, 77px); }
  html[lang="zh-CN"] h1 { font-size: clamp(51px, 13.5vw, 65px); line-height: 1.04; }
  html[lang="zh-CN"] h2 { font-size: clamp(40px, 11.2vw, 55px); line-height: 1.06; }
  .hero-lede { font-size: 13px; line-height: 1.68; margin: 29px 0 26px; }
  .hero-actions { gap: 22px; }
  .hero-scene { aspect-ratio: 1; height: auto; margin: 0; min-height: 0; }
  .traction-shell { padding: 37px 20px 76px; }
  .traction-kicker { font-size: 10px; }
  .traction-feature { display: block; min-height: 0; }
  .traction-primary { gap: 48px; min-height: 665px; padding: 39px 28px 35px; }
  .traction-primary::before { inset: 12px; }
  .traction-primary-intro .eyebrow { margin-bottom: 16px; }
  .traction-primary-intro h2 { font-size: clamp(48px, 13vw, 61px); }
  html[lang="zh-CN"] .traction-primary-intro h2 { font-size: clamp(38px, 10.5vw, 48px); line-height: 1.08; }
  .traction-primary-intro > p { font-size: 12px; line-height: 1.68; margin-top: 18px; }
  .traction-primary-label { font-size: 10px; margin-bottom: 15px; }
  .traction-primary strong { font-size: clamp(111px, 32vw, 148px); }
  .traction-primary-results > p { font-size: 12px; margin: 24px 0 21px; max-width: 290px; }
  .traction-market-strip { margin-bottom: 26px; }
  .traction-market-strip span { font-size: 9px; }
  .traction-market-strip b { font-size: 11px; }
  .traction-gallery-wrap { height: 485px; }
  .traction-gallery-wrap::after { background: linear-gradient(90deg, transparent, rgba(17,19,15,.68)); bottom: 6px; content: ""; pointer-events: none; position: absolute; right: 6px; top: 6px; width: 34px; z-index: 2; }
  .traction-ledger { display: block; margin-top: 14px; }
  .traction-ledger li, .traction-ledger li:first-child { align-items: center; border-left: 0; border-top: 1px solid var(--line); display: grid; gap: 20px; grid-template-columns: minmax(112px, .43fr) 1fr; min-height: 115px; padding: 19px 0; }
  .traction-ledger li:first-child { border-top: 0; }
  .traction-ledger strong { font-size: clamp(56px, 16vw, 71px); }
  .traction-ledger h3 { font-size: 10px; margin: 0; }
  .traction-ledger p { font-size: 11px; margin-top: 5px; }
  .traction-footnote { font-size: 9px; line-height: 1.6; margin-top: 16px; text-align: left; }
  .section-shell { padding: 88px 20px 98px; }
  .section-tag { margin-bottom: 49px; }
  .section-tag span, .section-tag b, .eyebrow { font-size: 10px; }
  .manifesto-grid, .company-overview, .company-profile, .company-entities, .network-head, .network-scene, .system-stage, .user-journey, .value, .partnership-head, .process-head, .proof-head, .faq-layout, .contact-main { display: block; }
  .manifesto-copy { margin-top: 34px; }
  .manifesto-copy .lead { font-size: 15px; }
  .manifesto-copy p:last-child { font-size: 12px; }
  .company-identity { margin-top: 34px; }
  .company-identity > div { gap: 18px; grid-template-columns: 100px 1fr; min-height: 54px; }
  .company-identity dt { font-size: 10px; }
  .company-identity dd { font-size: 11px; }
  .company-profile { margin-top: 56px; padding-top: 24px; }
  .company-lede { font-size: 17px; line-height: 1.72; }
  .company-copy > p:not(.company-lede) { font-size: 13px; line-height: 1.8; margin-top: 19px; }
  .company-mascot { margin: 36px 0 0; min-height: 320px; }
  .company-mascot img { max-height: 280px; }
  .company-mascot figcaption { font-size: 10px; }
  .company-entities { margin-top: 69px; padding-top: 24px; }
  .company-entities-head > p:last-child { font-size: 13px; margin-top: 20px; max-width: 330px; }
  .company-entities-table-wrap { margin: 38px -20px 0; padding: 0 20px; }
  .company-entities th { padding-left: 14px; padding-right: 14px; }
  .company-entities th:first-child, .company-entities td:first-child { padding-left: 0; }
  .company-entities th { font-size: 10px; }
  .company-entities td { font-size: 11px; padding: 17px 14px; }
  .company-entities td:first-child span { font-size: 11px; }
  .venue-ticker { gap: 22px; justify-content: flex-start; margin-left: -20px; margin-right: -20px; margin-top: 60px; mask-image: linear-gradient(90deg, transparent, #000 20px, #000 calc(100% - 34px), transparent); overflow-x: auto; overscroll-behavior-inline: contain; padding: 0 20px; scrollbar-width: none; touch-action: pan-x; -webkit-mask-image: linear-gradient(90deg, transparent, #000 20px, #000 calc(100% - 34px), transparent); }
  .venue-ticker:focus-visible { outline-offset: -4px; }
  .venue-ticker::-webkit-scrollbar { display: none; }
  .venue-ticker span { font-size: 22px; }
  .venue-ticker i { flex: 0 0 7px; }
  .pricing-shell { padding-bottom: 77px; }
  .pricing-head, .soudian-pricing-head, .soudian-service { display: block; }
  .pricing-head > p { font-size: 12px; margin-top: 29px; }
  .pricing-index { display: block; margin-top: 48px; }
  .pricing-index a, .pricing-index a:first-child { border-left: 0; border-top: 1px solid var(--line-dark); min-height: 56px; padding: 10px 0; }
  .pricing-index a:first-child { border-top: 0; }
  .pricing-index a:hover { padding-left: 10px; }
  .wattgoo-pricing { border-left: 0; border-right: 0; padding: 36px 0 0; }
  .price-schedule-grid { display: block; }
  .price-schedule + .price-schedule { margin-top: 49px; }
  .price-schedule h3 { font-size: 42px; }
  .price-schedule header span { max-width: 138px; }
  .price-table-wrap { margin-right: -3px; }
  .price-table-wrap th { font-size: 9px; }
  .price-table-wrap td { font-size: 11px; }
  .price-table-wrap td:last-child { font-size: 13px; }
  .wattgoo-price-terms { display: block; margin-top: 37px; }
  .wattgoo-price-terms p, .wattgoo-price-terms p:first-child { border-left: 0; border-top: 1px solid var(--line-dark); min-height: 0; padding: 16px 0; }
  .wattgoo-price-terms p:first-child { border-top: 0; }
  .soudian-pricing { margin-left: -20px; margin-right: -20px; margin-top: 0; padding: 49px 20px; }
  .soudian-pricing-head > p { font-size: 13px; margin-top: 27px; }
  .soudian-price-grid { display: block; margin-top: 47px; }
  .soudian-model, .soudian-model:first-child, .soudian-model:last-child { border-left: 0; border-top: 1px solid rgba(17,19,15,.35); padding: 35px 0 0; }
  .soudian-model:first-child { border-top: 0; padding-top: 0; }
  .soudian-model + .soudian-model { margin-top: 36px; }
  .soudian-base { grid-template-columns: 1fr auto; margin-top: 31px; }
  .soudian-service { margin-left: -20px; margin-right: -20px; padding: 49px 20px; }
  .soudian-service > div > p:last-child { font-size: 13px; margin-top: 25px; }
  .soudian-service dl { margin-top: 37px; }
  .soudian-service dl > div { gap: 12px; grid-template-columns: .8fr 1.2fr; min-height: 60px; }
  .soudian-service dt { font-size: 10px; }
  .soudian-service dd { font-size: 11px; }
  .pricing-disclaimer { font-size: 10px; padding-top: 19px; }
  .network-head > p, .partnership-head > p, .process-head > p, .proof-head > p { font-size: 12px; margin-top: 31px; }
  .market-map { grid-template-columns: 1fr 1fr; margin-top: 62px; padding-top: 0; }
  .map-line, .market::before { display: none; }
  .market { border-bottom: 1px solid var(--line-dark); min-height: 170px; padding: 18px; }
  .market:nth-of-type(odd) { border-left: 1px solid var(--line-dark); }
  .market h3 { font-size: 36px; margin: 36px 0 12px; }
  .network-scene { margin-left: -20px; margin-right: -20px; margin-top: 80px; min-height: 0; }
  .network-scene figure { height: 500px; }
  .network-scene > div { min-height: 470px; padding: 74px 20px; }
  .network-scene h3 { font-size: 55px; }
  .scene-number { font-size: 150px; }
  .system-head, .system-stage { margin-left: 0; }
  .system-stage { margin-top: 52px; }
  .product-frame { min-height: 470px; }
  .system-copy { margin-top: 44px; }
  .system-intro { font-size: 14px; }
  .capability-list > div { gap: 17px; grid-template-columns: 112px 1fr; }
  .capability-list dt { font-size: 19px; }
  .user-journey { margin-top: 72px; padding: 24px 0 0; }
  .user-journey > p { margin-bottom: 20px; }
  .user-journey ol { grid-template-columns: 1fr 1fr; }
  .user-journey li { border-bottom: 1px solid var(--line); min-height: 68px; padding: 0 12px; }
  .value-image { height: 560px; min-height: 0; }
  .value-content { padding: 84px 20px 94px; }
  .value-lede { font-size: 13px; }
  .role-list { margin-top: 58px; }
  .role-list article { display: block; min-height: 0; padding: 30px 0 34px; }
  .role-list article:hover { padding-left: 14px; padding-right: 14px; }
  .role-code { display: block; margin-bottom: 23px; }
  .role-list h3 { font-size: 39px; }
  .role-list ul { border-bottom: 1px dashed var(--line); border-top: 1px dashed var(--line); margin: 23px 0; padding: 12px 0; }
  .process-line { grid-template-columns: 1fr 1fr; margin-top: 60px; }
  .process-line li { border: 1px solid var(--line-dark); border-bottom: 0; min-height: 135px; }
  .process-line li:nth-child(even) { border-left: 0; }
  .process-line li:nth-child(n+5) { border-top: 1px solid var(--line-dark); }
  .process-line li:nth-last-child(-n+2) { border-bottom: 1px solid var(--line-dark); }
  .process-line span { font-size: 22px; }
  .proof-gallery { display: block; margin-left: -20px; margin-right: -20px; margin-top: 61px; }
  .proof-gallery figure, .proof-gallery .proof-main { height: 480px; margin-bottom: 12px; }
  .proof-gallery figure:last-child { margin-bottom: 0; }
  .faq-title { position: static; }
  .faq-title h2 { font-size: clamp(49px, 14vw, 64px); line-height: .84; }
  html[lang="zh-CN"] .faq-title h2 { font-size: clamp(40px, 11vw, 50px); line-height: 1.08; }
  .faq-title .text-link { margin-bottom: 48px; }
  .faq-list article { gap: 20px; grid-template-columns: 28px 1fr; padding: 26px 0; }
  .faq-list article > span { font-size: 10px; }
  .faq-list h3 { font-size: 25px; }
  .faq-list p { font-size: 13px; line-height: 1.75; }
  .contact-intro { padding: 83px 20px 70px; }
  .enquiry-form { margin: 0; padding: 55px 20px 65px; }
  .form-grid { display: block; }
  .form-grid label { margin-bottom: 19px; }
  .enquiry-form input, .enquiry-form select, .enquiry-form textarea { font-size: 13px; }
  .form-submit { min-width: 100%; }
  .route-shell { padding: 72px 20px 96px; }
  .route-list { display: block; margin-top: 0; padding-left: 0; }
  .route-list::before { bottom: 8px; height: auto; left: 0; right: auto; top: 4px; width: 1px; }
  .route-list::after { animation-name: route-signal-vertical; bottom: auto; left: -4px; right: auto; top: 4px; }
  .route-list li:nth-child(5)::after { animation: none; content: none; }
  .route-list li, .route-list li:nth-child(-n+4), .route-list li:last-child { border: 0; min-height: 0; padding: 0 0 38px 34px; }
  .route-list li:last-child { padding-bottom: 0; }
  .route-list li::before { left: -6px; top: 1px; }
  .route-list li:hover { background: transparent; }
  .route-list h3 { font-size: 29px; margin: 13px 0 10px; }
  .route-list p { font-size: 11px; max-width: 330px; }
  html[lang="zh-CN"] .route-list h3 { font-size: 23px; line-height: 1.18; }
  .site-footer { grid-template-columns: 1fr; padding: 34px 20px 29px; }
  .site-footer nav { flex-wrap: wrap; }
  .mobile-partner-cta { align-items: center; background: var(--signal); bottom: 0; color: var(--ink); display: flex; font-size: 11px; font-weight: 800; height: calc(62px + var(--safe-bottom)); justify-content: space-between; left: 0; letter-spacing: .08em; padding: 0 21px var(--safe-bottom); position: fixed; right: 0; text-transform: uppercase; transition: opacity .22s ease, transform .22s var(--ease), visibility .22s ease; z-index: 40; }
  .mobile-partner-cta.is-contact-visible { opacity: 0; pointer-events: none; transform: translateY(100%); visibility: hidden; }
  .mobile-partner-cta span { font-size: 17px; }
}

@media (max-width: 420px) {
  .hero-actions .text-link { margin-left: 2px; }
  .market { padding: 15px; }
  .market p { font-size: 9px; }
  .network-scene figure { height: 440px; }
  .proof-gallery figure, .proof-gallery .proof-main { height: 430px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .01ms !important; }
  .route-list::after, .route-list li:nth-child(5)::after { animation: none; opacity: 0; }
}

@keyframes route-signal-vertical {
  0% { opacity: 0; top: 4px; }
  4% { opacity: 1; }
  96% { opacity: 1; }
  100% { opacity: 0; top: calc(100% - 9px); }
}
