/* 布局：机构式两栏，左栏是章节标签，右栏是内容；细线分隔，大号细字标题。只有黑底一种外观。 */
:root {
  --ink: #030605;
  --panel: #06100C;
  --line: #14211C;
  --line-2: #1E2F28;
  --mint: #02FA88;
  --cyan: #00C46A;
  --fog: #8DA59C;
  --paper: #E8F4EF;
  --display: "Outfit", "Helvetica Neue", system-ui, sans-serif;
  --body: "Noto Sans SC", "PingFang SC", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, Menlo, monospace;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--ink); color: var(--fog); font: 300 16px/1.8 var(--body); padding-inline: 24px; }
a { color: inherit; text-decoration: none; }
a:focus-visible, summary:focus-visible { outline: 1px solid var(--mint); outline-offset: 4px; }
.wrap { max-width: 1200px; margin: 0 auto; }
.mono { font: 400 11px/1.6 var(--mono); letter-spacing: .16em; text-transform: uppercase; }
.mint { color: var(--mint); }
h1, h2, h3 { color: var(--paper); font-weight: 300; margin: 0; text-wrap: balance; }
p { margin: 0; }

/* nav */
nav { position: sticky; top: 0; z-index: 10; margin-inline: -24px; padding: 16px 24px; background: rgba(3,6,5,.78); backdrop-filter: blur(14px); border-bottom: 1px solid var(--line); }
nav .wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--paper); font: 500 17px var(--display); letter-spacing: -.02em; }
.brand svg { width: 28px; height: 28px; }
.brand b { font-weight: 300; }
nav ul { display: flex; gap: 30px; list-style: none; margin: 0; padding: 0; }
nav ul a { transition: color .2s; }
nav ul a:hover { color: var(--mint); }
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 12px 22px; border-radius: 999px; font: 400 14px var(--body); border: 1px solid var(--line-2); color: var(--paper); transition: border-color .2s, box-shadow .2s, background .2s; white-space: nowrap; }
.btn:hover { border-color: var(--mint); }
.btn.primary { background: var(--mint); color: var(--ink); border-color: var(--mint); font-weight: 500; }
.btn.primary:hover { box-shadow: 0 0 32px rgba(2,250,136,.4); }

/* hero */
.hero { position: relative; margin-inline: -24px; padding: 120px 24px 0; overflow: hidden; }
#field { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: radial-gradient(45% 55% at 76% 40%, rgba(2,250,136,.10), transparent 70%), linear-gradient(transparent 60%, var(--ink)); }
.hero .wrap { position: relative; z-index: 1; }
.hero-grid { display: grid; grid-template-columns: 1.45fr 1fr; gap: 56px; align-items: center; }
.hero h1 { font-size: clamp(40px, 6.4vw, 84px); line-height: 1.08; letter-spacing: -.02em; margin: 22px 0 30px; }
.hero h1 em { font-style: normal; font-weight: 400; background: linear-gradient(100deg, #B6FFD9, var(--mint) 40%, var(--cyan)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero .lead { max-width: 33em; font-size: 18px; margin-bottom: 40px; }
.cta { display: flex; flex-wrap: wrap; gap: 14px; }
.emblem { justify-self: center; width: min(340px, 70vw); aspect-ratio: 1; max-width: 100%; filter: drop-shadow(0 30px 70px rgba(2,250,136,.2)); animation: float 8s ease-in-out infinite; }
.emblem svg { width: 100%; height: 100%; }
@keyframes float { 50% { transform: translateY(-12px); } }
.facts { margin-top: 110px; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line-2); }
.facts div { padding: 26px 24px 30px 0; display: grid; gap: 6px; min-width: 0; }
.facts div + div { padding-left: 24px; border-left: 1px solid var(--line); }
.facts b { font: 300 22px/1.3 var(--body); color: var(--paper); }

/* sections */
section.block { padding-block: 120px; border-top: 1px solid var(--line); }
.sec { display: grid; grid-template-columns: 240px 1fr; gap: 48px; }
.sec > aside { position: sticky; top: 100px; align-self: start; display: grid; gap: 10px; }
.sec > aside .idx { font: 300 13px var(--display); color: var(--mint); }
.sec > div { min-width: 0; }
h2 { font-size: clamp(30px, 3.8vw, 48px); line-height: 1.2; letter-spacing: -.01em; margin-bottom: 26px; }
.intro { max-width: 40em; font-size: 17px; }

/* thesis */
.statement { font: 300 clamp(26px, 3vw, 38px)/1.5 var(--body); color: var(--paper); max-width: 22em; text-wrap: balance; }
.statement em { font-style: normal; color: var(--mint); }
.principles { margin-top: 64px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.principles div { border-top: 1px solid var(--line-2); padding-top: 22px; display: grid; gap: 10px; align-content: start; }
.principles h3 { font-size: 20px; font-weight: 400; }

/* capabilities */
.caps { margin-top: 56px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.cap { background: var(--ink); padding: 34px 30px 38px; display: grid; gap: 12px; align-content: start; min-width: 0; transition: background .3s; }
.cap:hover { background: var(--panel); }
.cap svg { width: 36px; height: 36px; margin-bottom: 10px; }
.cap h3 { font-size: 20px; font-weight: 400; }
.cap ul { list-style: none; margin: 6px 0 0; padding: 0; display: grid; gap: 4px; font-size: 14px; }
.cap li::before { content: "— "; color: var(--mint); opacity: .6; }

/* sectors */
.sectors { margin-top: 48px; border-top: 1px solid var(--line-2); }
.row { display: grid; grid-template-columns: 1fr 1.4fr auto; gap: 32px; align-items: baseline; padding: 30px 0; border-bottom: 1px solid var(--line); transition: padding .3s; }
.row:hover { padding-left: 12px; }
.row h3 { font-size: 24px; }
.row:hover h3 { color: var(--mint); }
.tags { display: flex; flex-wrap: wrap; gap: 8px; justify-content: flex-end; }
.tags span { font: 400 11px var(--mono); letter-spacing: .08em; padding: 5px 10px; border: 1px solid var(--line-2); border-radius: 999px; white-space: nowrap; }

/* process */
.phases { margin-top: 56px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.phase { position: relative; padding-top: 30px; border-top: 1px solid var(--line-2); display: grid; gap: 12px; align-content: start; min-width: 0; }
.phase::before { content: ""; position: absolute; top: -4px; left: 0; width: 7px; height: 7px; background: var(--mint); box-shadow: 0 0 14px var(--mint); }
.phase h3 { font: 300 26px var(--display); letter-spacing: -.02em; }
.phase .out { margin-top: 10px; padding-top: 14px; border-top: 1px dashed var(--line-2); font-size: 14px; }
.phase .out .mono { display: block; margin-bottom: 6px; color: var(--mint); opacity: .75; }

/* criteria */
.criteria { margin-top: 48px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.criteria div { background: var(--ink); padding: 32px 30px; display: grid; grid-template-columns: auto 1fr; gap: 6px 20px; }
.criteria .k { grid-row: span 2; font: 300 13px var(--display); color: var(--mint); padding-top: 5px; }
.criteria h3 { font-size: 20px; font-weight: 400; }

/* models */
.models { margin-top: 48px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.model { padding: 40px 36px; border: 1px solid var(--line-2); border-radius: 4px; display: grid; gap: 16px; align-content: start; background: linear-gradient(180deg, var(--panel), var(--ink)); }
.model.feature { border-color: rgba(2,250,136,.35); background: radial-gradient(90% 80% at 100% 0, rgba(2,250,136,.09), transparent 60%), var(--panel); }
.model h3 { font-size: 28px; }
.model ul { list-style: none; margin: 8px 0 0; padding: 18px 0 0; border-top: 1px solid var(--line); display: grid; gap: 10px; font-size: 15px; }
.model li { display: grid; grid-template-columns: 18px 1fr; }
.model li::before { content: "+"; color: var(--mint); }

/* faq */
.faq { margin-top: 40px; border-top: 1px solid var(--line-2); }
details { border-bottom: 1px solid var(--line); }
summary { list-style: none; cursor: pointer; padding: 26px 0; display: flex; justify-content: space-between; gap: 24px; color: var(--paper); font-size: 19px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; font: 300 22px var(--display); color: var(--mint); transition: transform .25s; }
details[open] summary::after { transform: rotate(45deg); }
details p { padding: 0 0 28px; max-width: 46em; }

/* contact */
.closing { padding-block: 140px; border-top: 1px solid var(--line); text-align: left; position: relative; }
.closing h2 { font-size: clamp(38px, 6vw, 80px); line-height: 1.1; margin: 20px 0 30px; max-width: 12em; }
.closing h2 em { font-style: normal; color: var(--mint); }
.closing .intro { margin-bottom: 44px; }
.send { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin: 0 0 52px; max-width: 900px; }
.send div { border-top: 1px solid var(--line-2); padding-top: 16px; font-size: 15px; }
.send .mono { display: block; color: var(--mint); margin-bottom: 6px; }
.mail { font: 400 clamp(18px, 2.4vw, 26px) var(--mono); color: var(--paper); border-bottom: 1px solid var(--mint); padding-bottom: 4px; }
.mail:hover { color: var(--mint); }

footer { border-top: 1px solid var(--line); padding-block: 64px 40px; }
.foot { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
.foot h4 { margin: 0 0 14px; color: var(--paper); }
.foot ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; font-size: 14px; }
.foot a:hover { color: var(--mint); }
.foot p { max-width: 24em; font-size: 14px; margin-top: 16px; }
.legal { margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

@media (max-width: 1000px) {
  .phases, .facts { grid-template-columns: repeat(2, 1fr); }
  .facts div:nth-child(3) { padding-left: 0; border-left: 0; }
  .caps { grid-template-columns: repeat(2, 1fr); }
  .sec { grid-template-columns: 1fr; gap: 28px; }
  .sec > aside { position: static; }
  nav ul { display: none; }
}
@media (max-width: 720px) {
  body { padding-inline: 18px; }
  nav, .hero { margin-inline: -18px; padding-inline: 18px; }
  .hero { padding-top: 64px; }
  .hero-grid, .principles, .caps, .phases, .criteria, .models, .send, .foot, .facts { grid-template-columns: 1fr; }
  .facts { margin-top: 64px; }
  .facts div, .facts div + div { padding-left: 0; border-left: 0; border-bottom: 1px solid var(--line); }
  .emblem { order: -1; width: 160px; justify-self: start; }
  .row { grid-template-columns: 1fr; gap: 10px; }
  .tags { justify-content: flex-start; }
  section.block { padding-block: 80px; }
  .closing { padding-block: 90px; }
  .model { padding: 30px 24px; }
}
@media (prefers-reduced-motion: reduce) { .emblem { animation: none; } html { scroll-behavior: auto; } * { transition: none !important; } }

/* ---- 多页面 & 移动端 ---- */
nav ul a.on { color: var(--mint); }
.menu-btn { display: none; width: 44px; height: 44px; border: 1px solid var(--line-2); border-radius: 999px; background: none; color: var(--paper); cursor: pointer; place-items: center; }
.menu-btn span, .menu-btn span::before, .menu-btn span::after { display: block; width: 16px; height: 1.5px; background: currentColor; position: relative; transition: transform .25s, background .25s; }
.menu-btn span::before, .menu-btn span::after { content: ""; position: absolute; left: 0; }
.menu-btn span::before { top: -5px; } .menu-btn span::after { top: 5px; }
body.open .menu-btn span { background: transparent; }
body.open .menu-btn span::before { transform: translateY(5px) rotate(45deg); }
body.open .menu-btn span::after { transform: translateY(-5px) rotate(-45deg); }
.nav-r { display: flex; align-items: center; gap: 10px; }
.mnav { position: fixed; inset: 0; z-index: 9; background: var(--ink); padding: calc(96px + env(safe-area-inset-top, 0px)) 24px calc(32px + env(safe-area-inset-bottom, 0px)); display: flex; flex-direction: column; gap: 0; opacity: 0; visibility: hidden; transition: opacity .25s, visibility .25s; }
body.open { overflow: hidden; }
body.open .mnav { opacity: 1; visibility: visible; }
.mnav a.item { display: flex; justify-content: space-between; align-items: baseline; padding: 20px 0; border-bottom: 1px solid var(--line); color: var(--paper); font: 300 28px var(--body); }
.mnav a.item small { font: 400 11px var(--mono); letter-spacing: .14em; color: var(--fog); text-transform: uppercase; }
.mnav a.item.on { color: var(--mint); }
.mnav .btn { margin-top: auto; justify-content: center; padding-block: 16px; }

.page-hero { padding-block: 110px 80px; border-bottom: 1px solid var(--line); position: relative; }
.page-hero h1 { font-size: clamp(38px, 5.6vw, 72px); line-height: 1.1; letter-spacing: -.02em; margin: 20px 0 26px; max-width: 14em; }
.page-hero h1 em { font-style: normal; color: var(--mint); }
.page-hero .lead { max-width: 38em; font-size: 18px; }
.crumb { display: flex; gap: 10px; }
.crumb a:hover { color: var(--mint); }

.more { display: inline-flex; gap: 8px; margin-top: 36px; color: var(--mint); font: 400 14px var(--body); border-bottom: 1px solid rgba(2,250,136,.35); padding-bottom: 3px; }
.more:hover { border-color: var(--mint); }

.compare { margin-top: 48px; overflow-x: auto; border: 1px solid var(--line); }
.compare table { width: 100%; min-width: 620px; border-collapse: collapse; font-size: 15px; }
.compare th, .compare td { text-align: left; padding: 20px 24px; border-bottom: 1px solid var(--line); vertical-align: top; }
.compare thead th { font: 400 11px var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--fog); background: var(--panel); }
.compare thead th.us { color: var(--mint); }
.compare td:first-child { color: var(--paper); width: 22%; }
.compare td.us { color: var(--paper); background: rgba(2,250,136,.04); }
.compare tr:last-child td { border-bottom: 0; }

.detail { display: grid; grid-template-columns: 240px 1fr; gap: 48px; padding-block: 72px; border-top: 1px solid var(--line); }
.detail:first-of-type { border-top: 0; }
.detail aside { display: grid; gap: 14px; align-content: start; }
.detail aside svg { width: 44px; height: 44px; }
.detail h2 { margin-bottom: 18px; }
.detail .cols { margin-top: 36px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.detail .cols div { border-top: 1px solid var(--line-2); padding-top: 16px; display: grid; gap: 6px; align-content: start; font-size: 15px; }
.detail .cols h3 { font-size: 17px; font-weight: 400; }

.roles { margin-top: 48px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.roles div { background: var(--ink); padding: 30px 26px; display: grid; gap: 10px; align-content: start; min-width: 0; }
.roles h3 { font-size: 19px; font-weight: 400; }

.faq-group { margin-top: 64px; }
.faq-group:first-child { margin-top: 0; }
.faq-group > .mono { color: var(--mint); }

.apply { display: grid; grid-template-columns: 1fr 1.3fr; gap: 64px; padding-block: 96px; }
.apply > div { min-width: 0; }
.steps-v { display: grid; gap: 0; margin-top: 32px; border-top: 1px solid var(--line-2); }
.steps-v div { display: grid; grid-template-columns: 48px 1fr; gap: 4px 12px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.steps-v .k { grid-row: span 2; font: 300 13px var(--display); color: var(--mint); padding-top: 4px; }
.steps-v h3 { font-size: 18px; font-weight: 400; }
form { display: grid; gap: 22px; padding: 40px; border: 1px solid var(--line-2); border-radius: 4px; background: var(--panel); }
.f2 { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
label { display: grid; gap: 8px; font: 400 11px var(--mono); letter-spacing: .14em; text-transform: uppercase; }
input, select, textarea { width: 100%; font: 300 16px var(--body); color: var(--paper); background: var(--ink); border: 1px solid var(--line-2); border-radius: 3px; padding: 13px 14px; letter-spacing: 0; text-transform: none; }
textarea { min-height: 120px; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--mint); box-shadow: 0 0 0 3px rgba(2,250,136,.12); }
form .btn { justify-content: center; padding-block: 15px; cursor: pointer; font-size: 15px; }
.hint { font-size: 13px; }

.next { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: 44px 0; border-top: 1px solid var(--line); }
.next a { display: grid; gap: 6px; }
.next a b { font: 300 clamp(24px, 3vw, 36px) var(--body); color: var(--paper); transition: color .2s; }
.next a:hover b { color: var(--mint); }
.next a.r { text-align: right; margin-left: auto; }

@media (max-width: 1000px) {
  .menu-btn { display: grid; }
  .nav-r .btn { display: none; }
  .detail, .apply { grid-template-columns: 1fr; gap: 28px; }
  .roles { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .page-hero { padding-block: 64px 52px; }
  .page-hero .lead, .hero .lead { font-size: 16px; }
  .detail { padding-block: 56px; }
  .detail .cols, .roles, .f2 { grid-template-columns: 1fr; }
  form { padding: 24px 20px; }
  .apply { padding-block: 64px; }
  .cta .btn { flex: 1 1 100%; justify-content: center; padding-block: 15px; }
  .sec > aside { display: flex; gap: 12px; align-items: baseline; }
  .closing .mail { word-break: break-all; }
  .next { flex-direction: column; align-items: stretch; }
  .next a.r { text-align: left; margin-left: 0; }
}

/* ---- 细节 ---- */
.backed-strip { display: flex; align-items: center; gap: 18px; padding: 18px 0 0; border-top: 1px solid var(--line); margin-bottom: 8px; }
.backed-strip b { font: 500 16px var(--display); letter-spacing: .02em; color: var(--paper); }
.backed-strip .mono:last-child { margin-left: auto; color: var(--mint); opacity: 0; transition: opacity .2s; }
.backed-strip:hover .mono:last-child { opacity: 1; }
.page-hero::before { content: ""; position: absolute; inset: 0; margin-inline: -24px; pointer-events: none;
  background-image: radial-gradient(rgba(2,250,136,.16) 1px, transparent 1.2px); background-size: 26px 26px;
  -webkit-mask-image: radial-gradient(60% 90% at 85% 30%, #000, transparent 70%); mask-image: radial-gradient(60% 90% at 85% 30%, #000, transparent 70%); }
.page-hero .wrap { position: relative; }
::selection { background: rgba(2,250,136,.3); color: var(--paper); }
@media (max-width: 720px) { .backed-strip .mono:last-child { opacity: 1; } }

/* ---- 语言切换 ---- */
.lang { position: relative; }
.lang summary { list-style: none; cursor: pointer; display: flex; align-items: center; gap: 8px; height: 44px; padding: 0 14px; border: 1px solid var(--line-2); border-radius: 999px; color: var(--paper); font: 400 13px var(--body); white-space: nowrap; }
.lang summary::-webkit-details-marker { display: none; }
.lang summary:hover { border-color: var(--mint); }
.lang > div { position: absolute; right: 0; top: calc(100% + 8px); min-width: 190px; padding: 6px; background: var(--panel); border: 1px solid var(--line-2); border-radius: 6px; display: grid; box-shadow: 0 20px 40px rgba(0,0,0,.5); }
.lang > div a { padding: 9px 12px; border-radius: 4px; font-size: 14px; }
.lang > div a:hover { background: rgba(2,250,136,.08); color: var(--paper); }
.lang > div a.on { color: var(--mint); }
.mlang { display: flex; flex-wrap: wrap; gap: 8px; padding: 22px 0; }
.mlang a { padding: 7px 12px; border: 1px solid var(--line-2); border-radius: 999px; font-size: 13px; }
.mlang a.on { border-color: var(--mint); color: var(--mint); }
.caps { grid-template-columns: repeat(4, 1fr); }
.cap { padding: 30px 24px 34px; }
button:disabled { opacity: .45; cursor: not-allowed; box-shadow: none !important; }
@media (max-width: 1200px) { .caps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 1000px) { .lang summary span { display: none; } .lang summary { width: 44px; padding: 0; justify-content: center; } }
@media (max-width: 720px) { .caps { grid-template-columns: 1fr; } .nav-r .lang { display: none; } }
.lang summary::after { content: none; }
.lang summary { padding: 0 16px; justify-content: center; }

/* ---- 各语言排版 ---- */
.lang { border-bottom: 0; }
:lang(en) .hero h1, :lang(vi) .hero h1, :lang(id) .hero h1 { font-size: clamp(36px, 4.8vw, 64px); line-height: 1.1; }
:lang(en) .page-hero h1, :lang(vi) .page-hero h1, :lang(id) .page-hero h1 { font-size: clamp(34px, 4.6vw, 60px); }
:lang(en) .closing h2, :lang(vi) .closing h2, :lang(id) .closing h2 { font-size: clamp(34px, 4.8vw, 64px); }
:lang(ja) h1, :lang(ja) h2, :lang(ja) h3, :lang(ja) .statement { word-break: auto-phrase; }
:lang(ko) h1, :lang(ko) h2, :lang(ko) h3, :lang(ko) .statement, :lang(ko) p { word-break: keep-all; }
:lang(ja) .hero h1, :lang(ko) .hero h1 { font-size: clamp(36px, 5.2vw, 70px); }

/* ===================== v3 · 官方品牌 + 动效层 ===================== */
:root { --mint: #02FA88; --cyan: #00C46A; --ease: cubic-bezier(.2,.7,.2,1); }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.brand { gap: 12px; }
.brand svg { width: 34px; height: 34px; flex: none; }
.brand svg.wm { width: auto; height: 26px; }
nav { transition: transform .45s var(--ease), background .3s; }
body.nav-hide:not(.open) nav { transform: translateY(-101%); }

/* hero：点阵组成 N 标 */
.hero { padding-top: 132px; min-height: min(100svh, 1000px); display: flex; flex-direction: column; }
.hero .wrap { width: 100%; flex: 1; display: flex; flex-direction: column; }
.hero-grid { grid-template-columns: 1.15fr 1fr; flex: 1; }
.hero::after { background: linear-gradient(transparent 72%, var(--ink)); }
.stage { width: 100%; max-width: 560px; aspect-ratio: 1; justify-self: end; }
.hero h1 { letter-spacing: -.025em; }
.hero h1 em { background: linear-gradient(100deg, #D2FFE8 0%, var(--mint) 45%, var(--cyan) 100%); -webkit-background-clip: text; background-clip: text; }
.facts { margin-top: 72px; }
.marquee { position: relative; z-index: 1; margin-top: 56px; border-block: 1px solid var(--line); overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee > div { display: flex; width: max-content; animation: mq 46s linear infinite; }
.marquee span { font: 200 clamp(20px, 2.2vw, 30px)/1 var(--display); letter-spacing: -.01em; color: var(--paper); padding: 26px 28px; white-space: nowrap; }
.marquee b { align-self: center; color: var(--mint); font-size: 12px; }
.marquee:hover > div { animation-play-state: paused; }
@keyframes mq { to { transform: translateX(-50%); } }

/* 按钮与链接的箭头 */
.btn i { font-style: normal; display: inline-block; transition: transform .3s var(--ease); }
.btn:hover i, .more:hover { transform: translateX(4px); }
.more { transition: transform .3s var(--ease), border-color .2s; }
.btn.primary { position: relative; overflow: hidden; }
.btn.primary::after { content: ""; position: absolute; inset: 0; background: linear-gradient(110deg, transparent 30%, rgba(255,255,255,.45) 50%, transparent 70%); transform: translateX(-120%); transition: transform .7s var(--ease); }
.btn.primary:hover::after { transform: translateX(120%); }

/* 卡片：序号 + 跟随光标的光斑 */
.caps { counter-reset: cap; }
.cap { counter-increment: cap; position: relative; }
.cap::before { content: counter(cap, decimal-leading-zero); position: absolute; top: 30px; right: 24px; font: 400 11px var(--mono); letter-spacing: .1em; color: var(--fog); opacity: .7; }
.cap, .criteria > div, .model, .roles > div, .principles > div { position: relative; isolation: isolate; }
.spot::after { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none; opacity: 0; transition: opacity .4s;
  background: radial-gradient(320px circle at var(--mx, 50%) var(--my, 50%), rgba(2,250,136,.11), transparent 65%); }
.spot:hover::after { opacity: 1; }
.cap svg { transition: transform .5s var(--ease); }
.cap:hover svg { transform: translateY(-3px); }
.cap:hover h3, .criteria > div:hover h3 { color: var(--mint); }
.cap h3, .criteria h3 { transition: color .25s; }

/* 进场 */
.rv { opacity: 0; transform: translateY(28px); transition: opacity 1s var(--ease), transform 1s var(--ease); }
.rv.in { opacity: 1; transform: none; }

/* 页脚大字标 */
.bigmark { margin-top: 88px; opacity: .1; transition: opacity .6s; }
.bigmark:hover { opacity: .22; }
.bigmark svg { width: 100%; height: auto; display: block; }
.foot .brand svg.wm { height: 24px; }

@media (max-width: 1000px) {
  .hero { min-height: 0; padding-top: 96px; }
  .hero-grid { grid-template-columns: 1fr; gap: 8px; }
  .stage { order: -1; justify-self: center; max-width: 420px; aspect-ratio: 1 / .82; }
}
@media (max-width: 720px) {
  .hero { padding-top: 72px; }
  .stage { max-width: 100%; aspect-ratio: 1 / .8; margin-bottom: 4px; }
  .hero h1 { font-size: 44px; line-height: 1.14; margin: 16px 0 20px; }
  :lang(en) .hero h1, :lang(vi) .hero h1, :lang(id) .hero h1 { font-size: 38px; }
  .hero .lead { font-size: 15.5px; line-height: 1.75; margin-bottom: 30px; }
  .cta { flex-wrap: nowrap; gap: 10px; }
  .cta .btn { flex: 1 1 0; padding: 14px 12px; justify-content: center; font-size: 14px; white-space: normal; text-align: center; line-height: 1.3; }
  .facts { margin-top: 44px; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line-2); }
  .facts div, .facts div + div { padding: 18px 14px 20px 0; border-left: 0; border-bottom: 1px solid var(--line); }
  .facts div:nth-child(even) { padding-left: 14px; border-left: 1px solid var(--line); }
  .facts b { font-size: 16px; line-height: 1.45; }
  .marquee { margin-top: 28px; margin-inline: -18px; }
  .marquee span { padding: 18px 18px; font-size: 20px; }
  section.block { padding-block: 72px; }
  h2 { font-size: 30px; margin-bottom: 18px; }
  .statement { font-size: 24px; line-height: 1.55; }
  .principles { margin-top: 40px; gap: 26px; }
  .caps { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; gap: 12px; background: none; border: 0; margin: 36px -18px 0; padding: 0 18px 6px; scrollbar-width: none; }
  .caps::-webkit-scrollbar { display: none; }
  .cap { flex: 0 0 80%; scroll-snap-align: start; scroll-margin-left: 18px; border: 1px solid var(--line-2); border-radius: 8px; background: var(--panel); padding: 26px 22px 28px; }
  .row { padding: 22px 0; }
  .row h3 { font-size: 21px; }
  .phases { gap: 0; margin-top: 40px; margin-left: 3px; border-left: 1px solid var(--line-2); }
  .phase { border-top: 0; padding: 0 0 34px 24px; }
  .phase::before { top: 6px; left: -4px; }
  .phase:last-child { padding-bottom: 0; }
  .phase h3 { font-size: 22px; }
  .closing h2 { font-size: 38px; }
  .foot { grid-template-columns: 1fr 1fr; gap: 32px 20px; }
  .foot > div:first-child { grid-column: 1 / -1; }
  .bigmark { margin-top: 56px; }
  .legal { flex-direction: column; gap: 8px; }
}
@media (prefers-reduced-motion: reduce) { .marquee > div { animation: none; } .rv { opacity: 1; transform: none; } }
.brand svg.wm { height: 21px; }
@media (min-width: 1001px) {
  .hero h1 { font-size: clamp(40px, 5.4vw, 80px); }
  .hero-grid { grid-template-columns: 1.3fr 1fr; }
  .hero h1 em { white-space: nowrap; }
  .phase { display: flex; flex-direction: column; }
  .phase .out { margin-top: auto; }
  .row { grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr) 190px; }
}
@media (max-width: 720px) { .brand svg.wm { height: 18px; } }

/* 收尾 CTA：点阵 + 光晕 */
.closing { overflow: hidden; }
.closing::before { content: ""; position: absolute; inset: 0 -24px; pointer-events: none; z-index: -1;
  background-image: radial-gradient(rgba(2,250,136,.22) 1px, transparent 1.3px); background-size: 22px 22px;
  -webkit-mask-image: radial-gradient(42% 70% at 82% 50%, #000, transparent 75%); mask-image: radial-gradient(42% 70% at 82% 50%, #000, transparent 75%); }
.closing::after { content: ""; position: absolute; right: 4%; top: 50%; width: min(520px, 60vw); aspect-ratio: 1; transform: translateY(-50%); z-index: -1; pointer-events: none;
  background: url("logo.svg") center / 46% no-repeat, radial-gradient(closest-side, rgba(2,250,136,.16), transparent); opacity: .9; }
.closing { isolation: isolate; }
@media (max-width: 720px) {
  .closing::after { right: -30%; top: 22%; width: 90vw; opacity: .35; }
  .closing::before { -webkit-mask-image: radial-gradient(70% 50% at 80% 25%, #000, transparent 75%); mask-image: radial-gradient(70% 50% at 80% 25%, #000, transparent 75%); }
}
.page-hero { isolation: isolate; overflow: hidden; }
.page-hero::after { content: ""; position: absolute; right: 2%; top: 50%; width: min(380px, 34vw); aspect-ratio: 1; transform: translateY(-50%); z-index: -1; pointer-events: none;
  background: url("logo.svg") center / 50% no-repeat, radial-gradient(closest-side, rgba(2,250,136,.14), transparent); opacity: .85; }
@media (max-width: 1000px) { .page-hero::after { width: 200px; right: -40px; top: 30%; opacity: .25; } }
.page-hero::after, .closing::after { filter: drop-shadow(0 0 18px rgba(2,250,136,.35)); }
:lang(en) .mnav a.item small { display: none; }

/* ===================== 案例 / 数据 / 团队 / 生态 ===================== */
.stats { border-top: 1px solid var(--line); padding-block: 0; }
.statgrid { display: grid; grid-template-columns: repeat(4, 1fr); }
.statgrid div { padding: 52px 24px 48px 0; display: grid; gap: 10px; min-width: 0; }
.statgrid div + div { padding-left: 32px; border-left: 1px solid var(--line); }
.statgrid b { font: 200 clamp(44px, 5.6vw, 84px)/1 var(--display); letter-spacing: -.04em; color: var(--paper); font-variant-numeric: tabular-nums; }
.statgrid div:first-child b { color: var(--mint); }
.statgrid span { font-size: 14px; }

.cases { margin-top: 48px; display: grid; gap: 20px; }
.cases.feat { grid-template-columns: 1.35fr 1fr; grid-template-rows: auto auto; }
.cases.feat .big { grid-row: span 2; }
.cases.all { grid-template-columns: repeat(3, 1fr); margin-top: 32px; }
.case { border: 1px solid var(--line-2); border-radius: 10px; overflow: hidden; background: var(--panel); display: flex; flex-direction: column; min-width: 0;
  transition: border-color .4s, transform .5s var(--ease); }
.case:hover { border-color: rgba(2,250,136,.45); transform: translateY(-4px); }
.cover { position: relative; aspect-ratio: 16 / 9; overflow: hidden; border-bottom: 1px solid var(--line); }
.case.big .cover { aspect-ratio: 4 / 3; }
.cover svg { width: 100%; height: 100%; display: block; transition: transform 1.2s var(--ease); }
.case:hover .cover svg { transform: scale(1.06); }
.cstage { position: absolute; left: 16px; top: 14px; padding: 5px 10px; border-radius: 999px; background: rgba(3,6,5,.7); backdrop-filter: blur(6px); color: var(--paper); border: 1px solid var(--line-2); font-size: 10px; }
.cbody { padding: 22px 24px 24px; display: grid; gap: 14px; flex: 1; align-content: start; }
.chead { display: flex; align-items: center; gap: 14px; }
.chead > div { min-width: 0; display: grid; }
.chead h3 { font-size: 20px; font-weight: 400; }
.chead .mono { font-size: 10px; }
.clogo { width: 40px; height: 40px; flex: none; border-radius: 10px; display: grid; place-items: center; font: 500 18px var(--display); color: var(--ink);
  background: linear-gradient(135deg, #B6FFD9, var(--mint) 55%, var(--cyan)); }
.mode { margin-left: auto; color: var(--mint); font-size: 10px; white-space: nowrap; }
.metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: auto; padding-top: 16px; border-top: 1px solid var(--line); }
.metrics div { display: grid; gap: 2px; min-width: 0; }
.metrics b { font: 300 22px/1.2 var(--display); color: var(--paper); letter-spacing: -.02em; }
.metrics span { font-size: 12px; line-height: 1.45; }
.case.big .metrics b { font-size: 30px; }

.filters { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { font: 400 13px var(--body); color: var(--fog); background: none; border: 1px solid var(--line-2); border-radius: 999px; padding: 9px 16px; cursor: pointer; transition: color .2s, border-color .2s, background .2s; }
.chip:hover { color: var(--paper); border-color: var(--fog); }
.chip.on { color: var(--ink); background: var(--mint); border-color: var(--mint); }
.case.out { display: none; }

.team { margin-top: 48px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px 28px; }
.member { display: grid; gap: 8px; align-content: start; }
.av { width: 100%; aspect-ratio: 1; border-radius: 10px; border: 1px solid var(--line-2); margin-bottom: 10px; transition: border-color .4s; }
.member:hover .av { border-color: rgba(2,250,136,.5); }
.member h3 { font-size: 20px; font-weight: 400; }
.member p { font-size: 14px; }

.partners { margin-top: 48px; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.partners div { border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); aspect-ratio: 2.2; display: grid; place-items: center; padding: 12px; transition: background .3s; }
.partners span { font: 400 17px var(--display); letter-spacing: -.01em; color: var(--fog); transition: color .3s; text-align: center; }
.partners div:first-child span { color: var(--paper); font-weight: 500; }
.partners div:hover { background: var(--panel); }
.partners div:hover span { color: var(--mint); }

@media (max-width: 1000px) {
  .cases.feat, .cases.all { grid-template-columns: 1fr 1fr; }
  .cases.feat .big { grid-column: 1 / -1; grid-row: auto; }
  .team { grid-template-columns: repeat(2, 1fr); }
  .statgrid { grid-template-columns: 1fr 1fr; }
  .statgrid div:nth-child(3) { padding-left: 0; border-left: 0; }
  .statgrid div:nth-child(n+3) { border-top: 1px solid var(--line); }
}
@media (max-width: 720px) {
  .statgrid div { padding: 28px 12px 26px 0; }
  .statgrid div + div { padding-left: 16px; }
  .statgrid div:nth-child(3) { padding-left: 0; }
  .statgrid b { font-size: 40px; }
  .cases.feat, .cases.all { grid-template-columns: 1fr; gap: 14px; }
  .case.big .cover { aspect-ratio: 16 / 9; }
  .case.big .metrics b { font-size: 22px; }
  .filters { flex-wrap: nowrap; overflow-x: auto; margin-inline: -18px; padding: 0 18px 4px; scrollbar-width: none; }
  .chip { white-space: nowrap; }
  .team { grid-template-columns: 1fr 1fr; gap: 28px 14px; }
  .member h3 { font-size: 17px; }
  .partners { grid-template-columns: 1fr 1fr; }
  .partners span { font-size: 14px; }
}
@media (min-width: 1001px) {
  .cases.feat .big .cover { aspect-ratio: auto; flex: 1; min-height: 320px; }
  .phase .out { min-height: 92px; }
}
@media (min-width: 1001px) { .cases.feat .big .cbody { flex: none; } }

@media (hover: none), (pointer: coarse) {
  .case:hover, .case:hover .cover svg, .cap:hover svg, .row:hover, .btn:hover i, .more:hover { transform: none; }
  .row:hover { padding-left: 0; }
  .spot::after, .btn.primary::after { display: none; }
  .row:hover h3, .cap:hover h3, .criteria > div:hover h3, .partners div:hover span { color: inherit; }
  .partners div:first-child:hover span { color: var(--paper); }
  .marquee:hover > div { animation-play-state: running; }
  #field { pointer-events: none; }
}