:root {
    --ink: #07121f;
    --ink-soft: #0d1d2e;
    --ink-lift: #12283d;
    --paper: #f5f2e9;
    --paper-soft: #fbfaf6;
    --white: #fff;
    --graphite: #18202b;
    --muted: #64707d;
    --line: rgba(7, 18, 31, .14);
    --line-light: rgba(255, 255, 255, .15);
    --cobalt: #4169f6;
    --cobalt-text: #244fdb;
    --cobalt-bright: #6584ff;
    --brass: #c7a86a;
    --mint: #78d9c0;
    --danger: #cf604f;
    --shadow: 0 28px 80px rgba(7, 18, 31, .13);
    --radius: 8px;
    --radius-lg: 20px;
    --shell: min(1240px, calc(100vw - 64px));
    --font: Inter, Manrope, "SF Pro Display", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background: var(--paper);
    color: var(--graphite);
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}
body[data-locale="zh"] { letter-spacing: 0; }
body[data-locale="zh"] h1,
body[data-locale="zh"] h2,
body[data-locale="zh"] h3 { line-height: 1.24; letter-spacing: 0; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { color: inherit; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { color: inherit; font-weight: 560; letter-spacing: -.045em; line-height: 1.06; }
h1 { font-size: clamp(3.25rem, 6.4vw, 6.65rem); }
h2 { font-size: clamp(2.35rem, 4.2vw, 4.6rem); }
h3 { font-size: 1.45rem; }
p { color: var(--muted); }
::selection { background: var(--cobalt); color: var(--white); }

.shell { width: var(--shell); margin-inline: auto; }
.section { padding: clamp(90px, 10vw, 150px) 0; position: relative; overflow: hidden; }
.section-dark { background: var(--ink); color: var(--white); }
.section-cream { background: var(--paper); }
.section-light { background: var(--paper-soft); }
.section-cobalt { background: #12358f; color: var(--white); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 1000; left: 16px; top: -80px; background: var(--white); color: var(--ink); padding: 12px 18px; border-radius: 4px; transition: top .2s; }
.skip-link:focus { top: 16px; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 23px; color: #244fdb; font-size: .72rem; font-weight: 720; letter-spacing: .16em; line-height: 1.2; text-transform: uppercase; }
.eyebrow > span { display: block; width: 28px; height: 1px; background: currentColor; }
.eyebrow-light { color: var(--brass); }
.section-heading { max-width: 790px; margin-bottom: 58px; }
.section-heading h2 { margin-bottom: 0; }
.section-heading p { max-width: 570px; margin-bottom: 0; font-size: 1.08rem; }
.split-heading { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(280px, .75fr); align-items: end; gap: 80px; max-width: none; }
.centered { margin-inline: auto; text-align: center; }
.section-action { display: flex; justify-content: center; margin-top: 48px; }

.button { display: inline-flex; min-height: 54px; align-items: center; justify-content: center; gap: 14px; border: 1px solid transparent; border-radius: 3px; padding: 0 25px; cursor: pointer; font-size: .83rem; font-weight: 720; letter-spacing: .04em; transition: transform .2s, background .2s, color .2s, border-color .2s; }
.button:hover { transform: translateY(-2px); }
.button:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible { outline: 3px solid var(--white); outline-offset: 3px; box-shadow: 0 0 0 6px var(--ink); }
.button-primary { background: var(--cobalt); border-color: var(--cobalt); color: var(--white); box-shadow: 0 14px 34px rgba(65, 105, 246, .24); }
.button-primary:hover { background: #294fcf; border-color: #294fcf; }
.button-ghost { color: var(--white); border-color: rgba(255, 255, 255, .32); background: rgba(255, 255, 255, .03); }
.button-ghost:hover { border-color: var(--white); background: rgba(255, 255, 255, .08); }
.button-light { background: var(--paper-soft); color: var(--ink); border-color: var(--paper-soft); }
.button-light:hover { background: var(--white); }
.button-dark { background: var(--ink); color: var(--white); border-color: var(--ink); }
.button-dark:hover { background: var(--ink-lift); }
.button-small { min-height: 42px; padding: 0 17px; font-size: .72rem; }
.text-link { display: inline-flex; align-items: center; gap: 9px; width: fit-content; color: var(--ink); font-size: .78rem; font-weight: 740; letter-spacing: .04em; }
.text-link span { color: var(--cobalt-text); font-size: 1rem; transition: transform .2s; }
.text-link:hover span { transform: translateX(4px); }

.site-header { position: absolute; z-index: 50; inset: 0 0 auto; color: var(--white); border-bottom: 1px solid rgba(255, 255, 255, .1); transition: background .25s, box-shadow .25s, transform .25s; }
.site-header.is-sticky { position: fixed; background: rgba(7, 18, 31, .94); -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px); box-shadow: 0 10px 35px rgba(0, 0, 0, .18); }
.no-js .site-header { position: relative; background: var(--ink); }
.header-inner { min-height: 82px; display: flex; align-items: center; gap: 36px; }
.brand { display: inline-flex; align-items: center; gap: 12px; flex: none; }
.brand-mark { width: 42px; height: 42px; }
.brand-copy { display: flex; flex-direction: column; line-height: 1.08; }
.brand-copy strong { color: var(--white); font-size: 1rem; font-weight: 780; letter-spacing: .2em; }
.brand-copy small { color: rgba(255, 255, 255, .62); font-size: .59rem; letter-spacing: .07em; }
.primary-nav { display: flex; align-items: center; justify-content: center; gap: clamp(16px, 2.3vw, 34px); margin-left: auto; }
.primary-nav a { position: relative; color: rgba(255, 255, 255, .7); font-size: .71rem; font-weight: 640; letter-spacing: .035em; white-space: nowrap; transition: color .2s; }
.primary-nav a:hover, .primary-nav a[aria-current="page"] { color: var(--white); }
.primary-nav a[aria-current="page"]::after { content: ""; position: absolute; left: 0; right: 0; bottom: -13px; height: 1px; background: var(--brass); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.language-switcher { position: relative; }
.language-switcher > button { min-width: 66px; height: 42px; display: flex; align-items: center; justify-content: center; gap: 7px; background: transparent; color: rgba(255, 255, 255, .78); border: 1px solid rgba(255, 255, 255, .2); border-radius: 3px; cursor: pointer; font-size: .69rem; font-weight: 700; }
.language-switcher svg { width: 13px; fill: none; stroke: currentColor; stroke-width: 1.5; }
.language-menu { position: absolute; top: calc(100% + 10px); right: 0; min-width: 118px; padding: 6px; background: var(--white); color: var(--ink); border-radius: 5px; box-shadow: var(--shadow); opacity: 0; visibility: hidden; pointer-events: none; transform: translateY(-5px); transition: opacity .18s, transform .18s, visibility 0s linear .18s; }
.language-switcher.is-open .language-menu { opacity: 1; visibility: visible; pointer-events: auto; transform: none; transition-delay: 0s; }
.language-menu a { display: block; padding: 8px 10px; border-radius: 3px; font-size: .76rem; }
.language-menu a:hover, .language-menu a[aria-current="true"] { background: var(--paper); color: var(--cobalt-text); }
.no-js .language-switcher > button { display: none; }
.no-js .language-menu { position: static; display: flex; min-width: 0; padding: 0; background: transparent; color: var(--white); box-shadow: none; opacity: 1; visibility: visible; pointer-events: auto; transform: none; }
.no-js .language-menu a { padding: 7px; }
.no-js .language-menu a:hover, .no-js .language-menu a[aria-current="true"] { background: rgba(255,255,255,.1); color: var(--white); }
.nav-toggle { display: none; }

.hero { min-height: min(940px, 100svh); padding: 170px 0 0; overflow: hidden; }
.hero-grid-bg { position: absolute; inset: 0; pointer-events: none; opacity: .4; background-image: linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px); background-size: 72px 72px; -webkit-mask-image: linear-gradient(to bottom, #000, transparent 82%); mask-image: linear-gradient(to bottom, #000, transparent 82%); }
.hero::before { content: ""; position: absolute; width: 800px; height: 800px; top: -380px; left: -340px; background: radial-gradient(circle, rgba(65,105,246,.16), transparent 66%); pointer-events: none; }
.hero-layout { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(420px, .95fr); align-items: center; gap: 50px; min-height: 600px; }
.hero-copy h1 { max-width: 810px; margin-bottom: 30px; }
.hero-copy h1 em { display: block; color: var(--brass); font-family: Georgia, "Times New Roman", serif; font-size: .73em; font-weight: 400; letter-spacing: -.025em; }
body[data-locale="zh"] .hero-copy h1 em { font-family: var(--font); font-size: .82em; font-weight: 500; }
.hero-lead { max-width: 670px; margin-bottom: 38px; color: rgba(255, 255, 255, .68); font-size: clamp(1rem, 1.4vw, 1.2rem); line-height: 1.75; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-notice { display: flex; align-items: flex-start; gap: 10px; max-width: 660px; margin: 28px 0 0; color: rgba(255, 255, 255, .46); font-size: .75rem; line-height: 1.55; }
.hero-notice svg { flex: none; width: 17px; fill: none; stroke: var(--brass); stroke-width: 1.5; stroke-linecap: round; }
.exchange-orbit { position: relative; min-height: 560px; }
.orbit-glow { position: absolute; inset: 8% 0 0; background: radial-gradient(circle, rgba(65,105,246,.27), rgba(65,105,246,.03) 43%, transparent 65%); filter: blur(8px); }
.orbit-ring { position: absolute; border: 1px solid rgba(255, 255, 255, .14); border-radius: 50%; }
.ring-one { width: 410px; height: 410px; left: 50%; top: 50%; transform: translate(-50%, -50%); }
.ring-two { width: 530px; height: 340px; left: 50%; top: 50%; transform: translate(-50%, -50%) rotate(-18deg); }
.orbit-core { position: absolute; z-index: 2; left: 50%; top: 50%; width: 215px; height: 215px; transform: translate(-50%, -50%); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 18px; border: 1px solid rgba(199,168,106,.45); border-radius: 50%; background: rgba(7,18,31,.76); box-shadow: 0 0 80px rgba(65,105,246,.18); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); }
.orbit-core img { width: 82px; }
.orbit-core span { color: rgba(255, 255, 255, .55); font-size: .56rem; letter-spacing: .16em; text-transform: uppercase; }
.orbit-node { position: absolute; z-index: 3; min-width: 118px; display: flex; align-items: center; gap: 10px; padding: 11px 13px; border: 1px solid rgba(255,255,255,.18); background: rgba(8,22,36,.82); box-shadow: 0 15px 35px rgba(0,0,0,.23); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); }
.orbit-node i { color: var(--brass); font-size: .58rem; font-style: normal; }
.orbit-node span { color: var(--white); font-size: .67rem; font-weight: 680; }
.node-idea { top: 18%; left: 3%; }
.node-startup { top: 29%; right: -2%; }
.node-business { bottom: 15%; left: 12%; }
.orbit-map { position: absolute; inset: 0; width: 100%; height: 100%; fill: none; stroke: rgba(120,217,192,.16); stroke-width: 1; stroke-dasharray: 5 8; }
.hero-ribbon { position: relative; z-index: 3; min-height: 93px; display: flex; align-items: center; justify-content: center; gap: 28px; margin-top: 20px; border-top: 1px solid rgba(255,255,255,.1); color: rgba(255,255,255,.5); font-size: .65rem; font-weight: 670; letter-spacing: .13em; text-transform: uppercase; }
.hero-ribbon span + span::before { content: ""; display: inline-block; width: 4px; height: 4px; margin-right: 28px; vertical-align: middle; background: var(--brass); border-radius: 50%; }

.stage-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.stage-card { position: relative; min-height: 425px; padding: 36px; background: var(--paper); overflow: hidden; }
.stage-card::before { content: ""; position: absolute; inset: auto 0 0; height: 4px; background: var(--cobalt); transform: scaleX(0); transform-origin: left; transition: transform .35s; }
.stage-card-startup::before { background: var(--brass); }
.stage-card-operating::before { background: var(--mint); }
.stage-card:hover::before { transform: scaleX(1); }
.stage-number { color: var(--muted); font-size: .68rem; letter-spacing: .14em; }
.stage-symbol { position: relative; width: 90px; height: 90px; margin: 44px 0 28px; }
.stage-symbol::before, .stage-symbol::after, .stage-symbol span, .stage-symbol i { content: ""; position: absolute; display: block; }
.stage-symbol::before { inset: 0; border: 1px solid var(--line); border-radius: 50%; }
.stage-symbol::after { width: 38px; height: 38px; top: 26px; left: 26px; background: var(--cobalt); border-radius: 50%; box-shadow: 0 0 0 10px rgba(65,105,246,.09); }
.stage-card-startup .stage-symbol::after { width: 56px; height: 32px; top: 28px; left: 17px; background: var(--brass); border-radius: 2px; box-shadow: none; transform: rotate(-10deg); }
.stage-card-operating .stage-symbol::after { width: 56px; height: 56px; top: 17px; left: 17px; background: transparent; border: 8px solid var(--mint); border-radius: 50%; box-shadow: none; }
.stage-card h3 { margin-bottom: 17px; font-size: 1.7rem; }
.stage-card p { min-height: 102px; margin-bottom: 25px; font-size: .91rem; }

.listing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.listing-card { display: flex; flex-direction: column; min-height: 460px; padding: 25px; background: var(--white); border: 1px solid var(--line); transition: transform .25s, box-shadow .25s, border-color .25s; }
.listing-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: transparent; }
.listing-card[hidden] { display: none; }
.listing-card-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 29px; }
.status-chip { display: inline-flex; align-items: center; gap: 7px; width: fit-content; color: var(--muted); font-size: .58rem; font-weight: 720; letter-spacing: .09em; text-transform: uppercase; }
.status-chip > span { width: 6px; height: 6px; background: var(--brass); border-radius: 50%; box-shadow: 0 0 0 4px rgba(199,168,106,.13); }
.listing-id { color: #59636c; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .56rem; }
.listing-stage { display: inline-flex; width: fit-content; margin-bottom: 20px; padding: 6px 10px; color: #244fdb; background: rgba(65,105,246,.08); border-radius: 2px; font-size: .61rem; font-weight: 740; letter-spacing: .05em; text-transform: uppercase; }
.listing-stage.stage-startup { color: #70501a; background: rgba(199,168,106,.16); }
.listing-stage.stage-operating { color: #176552; background: rgba(120,217,192,.18); }
.listing-card h3 { min-height: 55px; margin-bottom: 14px; font-size: 1.42rem; }
.listing-card > p { flex-grow: 1; margin-bottom: 25px; font-size: .85rem; line-height: 1.65; }
.listing-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; margin: 0 0 23px; padding: 18px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.listing-facts div { min-width: 0; }
.listing-facts dt { color: #616b74; font-size: .57rem; letter-spacing: .08em; text-transform: uppercase; }
.listing-facts dd { margin: 4px 0 0; overflow: hidden; font-size: .73rem; font-weight: 650; text-overflow: ellipsis; white-space: nowrap; }
.listing-card-footer { display: flex; align-items: flex-end; justify-content: space-between; gap: 15px; }
.listing-card-footer strong { max-width: 54%; font-size: .82rem; }

.passport-section { isolation: isolate; }
.passport-glow { position: absolute; right: -10%; top: 0; width: 60%; height: 100%; background: radial-gradient(circle, rgba(65,105,246,.18), transparent 63%); z-index: -1; }
.passport-layout { display: grid; grid-template-columns: .74fr 1.26fr; align-items: center; gap: clamp(55px, 8vw, 120px); }
.passport-copy h2 { max-width: 560px; margin-bottom: 28px; }
.passport-copy p { max-width: 510px; margin-bottom: 35px; color: rgba(255,255,255,.6); }
.passport-card { padding: 30px; border: 1px solid rgba(255,255,255,.2); background: linear-gradient(145deg, rgba(255,255,255,.09), rgba(255,255,255,.025)); box-shadow: 0 40px 100px rgba(0,0,0,.26); -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px); }
.passport-card-head { display: flex; align-items: center; gap: 14px; padding-bottom: 24px; border-bottom: 1px solid var(--line-light); }
.passport-card-head div { display: flex; flex-direction: column; }
.passport-card-head div span { color: rgba(255,255,255,.76); font-size: .55rem; letter-spacing: .13em; }
.passport-card-head div strong { font-family: ui-monospace, monospace; font-size: .76rem; }
.passport-card-head b { margin-left: auto; padding: 5px 9px; color: var(--brass); border: 1px solid rgba(199,168,106,.45); font-size: .55rem; letter-spacing: .12em; }
.passport-line { display: flex; justify-content: space-between; gap: 20px; padding: 13px 0; border-bottom: 1px solid var(--line-light); }
.passport-line span { color: rgba(255,255,255,.76); font-size: .54rem; letter-spacing: .12em; }
.passport-line strong { font-size: .7rem; font-weight: 580; text-align: right; }
.passport-bars { display: flex; gap: 6px; padding: 22px 0; }
.passport-bars span { height: 3px; flex: 1; background: var(--cobalt); }
.passport-bars span:nth-child(2) { background: var(--brass); }
.passport-bars span:nth-child(3) { background: var(--mint); }
.passport-bars span:nth-child(4) { background: rgba(255,255,255,.14); }
.passport-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line-light); }
.passport-grid > div { position: relative; min-height: 150px; padding: 24px; background: var(--ink-soft); }
.passport-grid h3 { margin-bottom: 9px; font-size: .9rem; }
.passport-grid p { margin: 0; color: rgba(255,255,255,.76); font-size: .7rem; line-height: 1.55; }
.passport-dot { display: block; width: 5px; height: 5px; margin-bottom: 18px; background: var(--brass); border-radius: 50%; }

.journey-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.journey-card { min-height: 590px; padding: clamp(34px, 5vw, 58px); background: var(--white); border: 1px solid var(--line); }
.journey-seller { background: var(--ink-soft); color: var(--white); border-color: var(--ink-soft); }
.journey-label { display: block; margin-bottom: 65px; color: var(--cobalt-text); font-size: .62rem; font-weight: 740; letter-spacing: .14em; }
.journey-seller .journey-label { color: var(--brass); }
.journey-card h3 { margin-bottom: 20px; font-size: clamp(2.2rem, 3.3vw, 3.4rem); }
.journey-card > p { min-height: 80px; font-size: .93rem; }
.journey-seller > p { color: rgba(255,255,255,.55); }
.journey-card ol { list-style: none; margin: 35px 0 40px; padding: 0; }
.journey-card li { display: flex; align-items: center; gap: 13px; padding: 11px 0; border-bottom: 1px solid var(--line); font-size: .78rem; font-weight: 630; }
.journey-seller li { border-color: var(--line-light); }
.journey-card li span { width: 6px; height: 6px; background: var(--cobalt); border-radius: 50%; }
.journey-seller li span { background: var(--brass); }

.build-section { overflow: hidden; }
.build-section::after { content: ""; position: absolute; right: -100px; bottom: -300px; width: 700px; height: 700px; border: 1px solid rgba(255,255,255,.2); border-radius: 50%; pointer-events: none; }
.build-layout { position: relative; z-index: 1; }
.build-layout { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 95px; }
.build-visual { position: relative; min-height: 520px; border: 1px solid rgba(255,255,255,.22); background: linear-gradient(145deg, rgba(255,255,255,.1), rgba(7,18,31,.13)); }
.build-visual::before, .build-visual::after { content: ""; position: absolute; background: rgba(255,255,255,.13); }
.build-visual::before { left: 50%; top: 0; width: 1px; height: 100%; }
.build-visual::after { left: 0; top: 50%; width: 100%; height: 1px; }
.build-track { position: absolute; z-index: 2; left: 25px; top: 25px; bottom: 25px; display: flex; flex-direction: column; justify-content: space-between; }
.build-track span { color: rgba(255,255,255,.78); font-size: .57rem; }
.build-object { position: absolute; z-index: 3; left: 50%; top: 50%; width: 245px; height: 245px; transform: translate(-50%,-50%) rotate(45deg); border: 1px solid rgba(255,255,255,.55); background: rgba(7,18,31,.19); box-shadow: 30px 30px 0 rgba(7,18,31,.11); }
.build-object strong { position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%) rotate(-45deg); font-size: 2rem; letter-spacing: .18em; }
.build-object i { position: absolute; width: 12px; height: 12px; background: var(--brass); border-radius: 50%; }
.build-object i:nth-child(1) { left: -6px; top: -6px; }
.build-object i:nth-child(2) { right: -6px; top: -6px; background: var(--mint); }
.build-object i:nth-child(3) { right: -6px; bottom: -6px; background: var(--white); }
.build-copy h2 { margin-bottom: 25px; }
.build-copy > p { margin-bottom: 30px; color: rgba(255,255,255,.9); }
.check-list { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 13px 25px; margin: 0 0 38px; padding: 0; }
.check-list li { display: flex; align-items: center; gap: 10px; font-size: .78rem; }
.check-list span { width: 22px; height: 22px; display: inline-flex; align-items: center; justify-content: center; background: rgba(255,255,255,.14); border-radius: 50%; font-size: .65rem; }

.trust-layout { display: grid; grid-template-columns: 1fr .9fr; align-items: center; gap: 120px; }
.trust-copy h2 { margin-bottom: 25px; }
.trust-copy p { max-width: 590px; margin-bottom: 32px; }
.trust-list { border-top: 1px solid var(--line); }
.trust-list > div { display: grid; grid-template-columns: 48px 1fr; gap: 20px; padding: 25px 0; border-bottom: 1px solid var(--line); }
.trust-list span { color: var(--cobalt-text); font-size: .64rem; font-weight: 720; }
.trust-list p { margin: 0; color: var(--graphite); font-size: .89rem; font-weight: 610; }
.faq-layout { display: grid; grid-template-columns: .65fr 1.35fr; align-items: start; gap: 110px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { position: relative; list-style: none; cursor: pointer; padding: 27px 52px 27px 0; font-size: 1rem; font-weight: 650; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span, .faq-list summary span::after { position: absolute; right: 2px; top: 50%; width: 16px; height: 1px; background: var(--cobalt); content: ""; }
.faq-list summary span::after { right: 0; top: 0; transform: rotate(90deg); transition: transform .2s; }
.faq-list details[open] summary span::after { transform: rotate(0); }
.faq-list details p { max-width: 680px; margin: -2px 0 28px; font-size: .9rem; }

.contact-band { overflow: visible; }
.contact-band-grid { display: grid; grid-template-columns: .75fr 1.25fr; align-items: start; gap: 90px; }
.contact-band h2 { margin-bottom: 22px; }
.contact-band-grid > div:first-child > p { color: rgba(255,255,255,.58); }
.form-panel { padding: clamp(30px, 5vw, 52px); background: var(--white); color: var(--graphite); box-shadow: 0 35px 90px rgba(0,0,0,.2); }
.form-panel-light { box-shadow: var(--shadow); }
.inquiry-form { display: grid; gap: 20px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: grid; gap: 8px; }
.field > span { color: var(--graphite); font-size: .64rem; font-weight: 730; letter-spacing: .08em; text-transform: uppercase; }
.field input, .field select, .field textarea { width: 100%; border: 1px solid var(--line); border-radius: 2px; background: #fbfbf9; color: var(--graphite); padding: 13px 14px; outline: none; transition: border .2s, box-shadow .2s; }
.field input, .field select { min-height: 50px; }
.field textarea { resize: vertical; min-height: 125px; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--cobalt); box-shadow: 0 0 0 3px rgba(65,105,246,.1); }
.field input:focus-visible, .field select:focus-visible, .field textarea:focus-visible { outline: 3px solid var(--white); outline-offset: 3px; box-shadow: 0 0 0 6px var(--ink); }
.field input::placeholder, .field textarea::placeholder { color: #68727a; }
.checkbox-field { display: grid; grid-template-columns: 18px 1fr; align-items: start; gap: 10px; color: var(--muted); font-size: .72rem; }
.checkbox-field input { width: 16px; height: 16px; accent-color: var(--cobalt); }
.checkbox-field a { color: #244fdb; text-decoration: underline; text-underline-offset: 2px; }
.form-submit { display: flex; align-items: center; gap: 18px; }
.form-status { color: var(--muted); font-size: .74rem; }
.form-status.is-success { color: #267663; }
.form-status.is-error { color: #a6382b; }
.honeypot { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-unavailable { display: grid; grid-template-columns: 34px 1fr; gap: 16px; padding: 24px; background: var(--paper); border: 1px solid var(--line); }
.form-unavailable > span { width: 30px; height: 30px; display: flex; align-items: center; justify-content: center; background: var(--brass); color: var(--ink); border-radius: 50%; font-family: Georgia, serif; font-weight: 700; }
.form-unavailable h3 { margin: 2px 0 9px; font-size: 1rem; letter-spacing: -.02em; }
.form-unavailable p { margin-bottom: 15px; font-size: .76rem; }

.site-footer { padding: 80px 0 25px; background: #050e18; color: var(--white); }
.footer-grid { display: grid; grid-template-columns: 1.7fr repeat(3, .7fr); gap: 65px; padding-bottom: 70px; }
.footer-brand > p { max-width: 380px; margin: 24px 0 18px; color: rgba(255,255,255,.74); font-size: .82rem; }
.brand-slogan { color: var(--brass); font-family: Georgia, serif; font-size: .9rem; font-style: italic; }
.footer-grid h2 { margin: 5px 0 24px; color: rgba(255,255,255,.76); font-size: .6rem; font-weight: 700; letter-spacing: .13em; text-transform: uppercase; }
.footer-grid > div:not(.footer-brand) { display: flex; flex-direction: column; align-items: flex-start; gap: 11px; }
.footer-grid > div:not(.footer-brand) a { color: rgba(255,255,255,.68); font-size: .75rem; transition: color .2s; }
.footer-grid > div:not(.footer-brand) a:hover { color: var(--white); }
.footer-bottom { display: flex; justify-content: space-between; gap: 35px; padding-top: 25px; border-top: 1px solid rgba(255,255,255,.1); }
.footer-bottom p { max-width: 700px; margin: 0; color: rgba(255,255,255,.58); font-size: .63rem; }
.footer-bottom p:last-child { white-space: nowrap; }

.page-hero { position: relative; padding: 190px 0 105px; overflow: hidden; }
.page-hero::after { content: ""; position: absolute; right: -250px; top: -350px; width: 720px; height: 720px; border: 1px solid rgba(255,255,255,.08); border-radius: 50%; box-shadow: 0 0 0 110px rgba(255,255,255,.015), 0 0 0 230px rgba(255,255,255,.012); }
.page-hero-inner { position: relative; z-index: 2; }
.page-hero h1 { max-width: 1000px; margin-bottom: 25px; font-size: clamp(3rem, 6vw, 6.1rem); }
.page-hero p { max-width: 760px; margin: 0; color: rgba(255,255,255,.62); font-size: 1.06rem; }
.compact-hero { min-height: 610px; display: flex; align-items: end; }
.marketplace-toolbar { display: grid; grid-template-columns: 1.45fr .8fr .8fr auto; align-items: end; gap: 14px; padding: 20px; background: var(--white); border: 1px solid var(--line); box-shadow: 0 14px 40px rgba(7,18,31,.06); }
.marketplace-toolbar label, .marketplace-toolbar .filter-search { display: grid; gap: 7px; }
.marketplace-toolbar label > span, .marketplace-toolbar .filter-search > label { color: var(--muted); font-size: .58rem; font-weight: 720; letter-spacing: .1em; text-transform: uppercase; }
.marketplace-toolbar input, .marketplace-toolbar select { width: 100%; height: 48px; padding: 0 13px; border: 1px solid var(--line); background: var(--paper-soft); color: var(--graphite); outline: none; }
.filter-search > div { position: relative; }
.filter-search svg { position: absolute; width: 18px; left: 14px; top: 15px; fill: none; stroke: var(--muted); stroke-width: 1.5; }
.filter-search input { padding-left: 42px; }
.filter-reset { height: 48px; padding: 0 16px; border: 1px solid var(--line); background: transparent; cursor: pointer; color: var(--muted); font-size: .69rem; }
.filter-reset:hover { border-color: var(--cobalt); color: var(--cobalt-text); }
.results-meta { margin: 30px 0 18px; color: var(--muted); font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; }
.results-meta strong { color: var(--graphite); }
.marketplace-empty { padding: 100px 20px; text-align: center; }
.marketplace-empty > span { display: block; color: var(--cobalt); font-size: 3rem; }
.marketplace-empty h2 { margin: 20px 0 10px; font-size: 2rem; }
.slim-cta { padding: 85px 0; }
.slim-cta .split-heading { margin-bottom: 0; }
.slim-cta h2 { max-width: 760px; margin: 0; font-size: clamp(2rem, 3.5vw, 3.6rem); }

.listing-hero { position: relative; padding: 150px 0 90px; overflow: hidden; }
.back-link { position: relative; z-index: 2; display: inline-block; margin-bottom: 80px; color: rgba(255,255,255,.55); font-size: .72rem; }
.back-link:hover { color: var(--white); }
.listing-hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: 1.25fr .55fr; align-items: end; gap: 80px; }
.listing-badges { display: flex; align-items: center; gap: 18px; margin-bottom: 25px; }
.listing-hero .status-chip { color: rgba(255,255,255,.58); }
.listing-hero .listing-stage { margin: 0; }
.listing-hero h1 { margin-bottom: 25px; font-size: clamp(3rem, 5.7vw, 5.8rem); }
.listing-hero-grid > div:first-child > p { max-width: 760px; margin: 0; color: rgba(255,255,255,.57); }
.listing-ask { padding: 26px; border: 1px solid var(--line-light); background: rgba(255,255,255,.04); }
.listing-ask span, .listing-ask small { display: block; color: rgba(255,255,255,.76); font-size: .58rem; letter-spacing: .09em; text-transform: uppercase; }
.listing-ask strong { display: block; margin: 13px 0 22px; color: var(--brass); font-size: 1.55rem; line-height: 1.25; }
.listing-detail-grid { display: grid; grid-template-columns: 1.2fr .8fr; align-items: start; gap: 30px; }
.demo-alert { padding: 24px 26px; margin-bottom: 20px; background: rgba(199,168,106,.12); border-left: 3px solid var(--brass); }
.demo-alert strong { display: block; margin-bottom: 7px; font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; }
.demo-alert p { margin: 0; font-size: .78rem; }
.passport-detail { background: var(--white); border: 1px solid var(--line); }
.passport-detail-head { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 25px 28px; background: var(--ink-soft); color: var(--white); }
.passport-detail-head span { color: var(--brass); font-size: .65rem; font-weight: 720; letter-spacing: .12em; text-transform: uppercase; }
.passport-detail-head strong { font-family: ui-monospace, monospace; font-size: .72rem; }
.passport-detail dl { margin: 0; }
.passport-detail dl > div { display: grid; grid-template-columns: 180px 1fr; gap: 25px; padding: 22px 28px; border-bottom: 1px solid var(--line); }
.passport-detail dt { color: var(--muted); font-size: .65rem; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; }
.passport-detail dd { margin: 0; font-size: .85rem; font-weight: 560; }
.source-note { margin: 0; padding: 22px 28px; background: var(--paper-soft); font-size: .7rem; }
.listing-contact { position: sticky; top: 110px; padding: 35px; background: var(--white); border: 1px solid var(--line); box-shadow: var(--shadow); }
.listing-contact h2 { margin-bottom: 14px; font-size: 2.1rem; }
.listing-contact > p { margin-bottom: 27px; font-size: .78rem; }
.listing-contact .form-grid { grid-template-columns: 1fr; }
.listing-contact .form-submit { align-items: flex-start; flex-direction: column; }

.editorial-hero { min-height: 650px; display: flex; align-items: end; }
.editorial-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.editorial-card { min-height: 500px; padding: clamp(30px, 4vw, 45px); background: var(--paper); }
.editorial-index { display: block; margin-bottom: 75px; color: var(--cobalt-text); font-size: .65rem; font-weight: 730; }
.editorial-card h2 { min-height: 75px; margin-bottom: 18px; font-size: 1.7rem; }
.editorial-card > p { min-height: 100px; font-size: .86rem; }
.editorial-card ul { list-style: none; margin: 25px 0 0; padding: 0; }
.editorial-card li { display: flex; align-items: flex-start; gap: 10px; padding: 10px 0; border-top: 1px solid var(--line); font-size: .73rem; }
.editorial-card li span { flex: none; width: 5px; height: 5px; margin-top: 8px; background: var(--brass); border-radius: 50%; }
.contact-page-grid { display: grid; grid-template-columns: .68fr 1.32fr; gap: 90px; align-items: start; }
.contact-aside > span { color: var(--cobalt-text); font-size: .65rem; letter-spacing: .13em; }
.contact-aside h2 { margin: 24px 0 35px; font-size: 2.6rem; }
.contact-aside ol { counter-reset: steps; list-style: none; margin: 0 0 45px; padding: 0; }
.contact-aside li { counter-increment: steps; position: relative; padding: 20px 0 20px 45px; border-top: 1px solid var(--line); font-size: .82rem; }
.contact-aside li::before { content: counter(steps, decimal-leading-zero); position: absolute; left: 0; color: var(--brass); font-size: .62rem; }
.safety-note { display: grid; grid-template-columns: 32px 1fr; gap: 15px; padding: 20px; background: var(--white); border: 1px solid var(--line); }
.safety-note svg { width: 28px; fill: none; stroke: var(--cobalt); stroke-width: 1.5; }
.safety-note p { margin: 0; font-size: .7rem; }
.legal-hero { min-height: 560px; display: flex; align-items: end; }
.legal-content { max-width: 950px; }
.legal-content article { display: grid; grid-template-columns: 100px 1fr; gap: 35px; padding: 45px 0; border-bottom: 1px solid var(--line); }
.legal-content article > span { color: var(--cobalt-text); font-size: .66rem; font-weight: 720; }
.legal-content h2 { margin-bottom: 15px; font-size: 1.75rem; }
.legal-content p { margin: 0; font-size: .92rem; }
.privacy-profile-section { padding: 0 0 110px; }
.privacy-profile { padding: 38px; background: var(--white); border: 1px solid var(--line); }
.privacy-profile dl { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin: 0; background: var(--line); }
.privacy-profile dl > div { padding: 22px; background: var(--paper-soft); }
.privacy-profile dt { color: var(--muted); font-size: .6rem; letter-spacing: .08em; text-transform: uppercase; }
.privacy-profile dd { margin: 8px 0 0; font-size: .85rem; font-weight: 650; overflow-wrap: anywhere; }
.privacy-pending { padding: 24px; background: rgba(199,168,106,.12); border-left: 3px solid var(--brass); }
.privacy-pending strong { display: block; margin-bottom: 7px; }
.privacy-pending p { margin: 0; font-size: .82rem; }
.error-page { position: relative; min-height: 82svh; padding: 210px 0 120px; overflow: hidden; }
.error-inner { position: relative; z-index: 2; text-align: center; }
.error-inner > span { display: block; color: var(--brass); font-size: 6rem; font-weight: 200; letter-spacing: .08em; }
.error-inner h1 { margin-bottom: 20px; font-size: 3rem; }
.error-inner p { margin-bottom: 30px; color: rgba(255,255,255,.55); }

.reveal[data-reveal-ready="true"] { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.reveal[data-reveal-ready="true"].is-visible { opacity: 1; transform: none; }

@media (max-width: 1120px) {
    :root { --shell: min(100% - 44px, 1100px); }
    .primary-nav { gap: 17px; }
    .primary-nav a { font-size: .65rem; }
    .header-actions .button { display: none; }
    .hero-layout { grid-template-columns: 1.12fr .88fr; }
    .exchange-orbit { transform: scale(.87); }
    .listing-grid { grid-template-columns: repeat(2, 1fr); }
    .trust-layout { gap: 70px; }
    .footer-grid { grid-template-columns: 1.4fr repeat(3, .7fr); gap: 38px; }
}

@media (max-width: 900px) {
    :root { --shell: min(100% - 36px, 820px); }
    .header-inner { min-height: 74px; }
    .js .nav-toggle { order: 4; display: flex; width: 44px; height: 42px; margin-left: 0; align-items: center; justify-content: center; flex-direction: column; gap: 6px; border: 1px solid rgba(255,255,255,.2); border-radius: 3px; background: transparent; }
    .nav-toggle > span:not(.sr-only) { width: 18px; height: 1px; background: var(--white); transition: transform .2s; }
    .nav-toggle[aria-expanded="true"] > span:nth-child(2) { transform: translateY(3.5px) rotate(45deg); }
    .nav-toggle[aria-expanded="true"] > span:nth-child(3) { transform: translateY(-3.5px) rotate(-45deg); }
    .js .primary-nav { position: absolute; top: 74px; left: 0; right: 0; display: flex; align-items: stretch; flex-direction: column; gap: 0; max-height: calc(100svh - 74px); overflow-y: auto; padding: 18px; background: var(--ink-soft); border-top: 1px solid var(--line-light); box-shadow: 0 30px 45px rgba(0,0,0,.25); opacity: 0; visibility: hidden; pointer-events: none; transform: translateY(-10px); transition: opacity .2s, transform .2s, visibility 0s linear .2s; }
    .js .primary-nav.is-open { opacity: 1; visibility: visible; pointer-events: auto; transform: none; transition-delay: 0s; }
    .no-js .header-inner { flex-wrap: wrap; padding-block: 12px; }
    .no-js .primary-nav { order: 5; width: 100%; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin: 0; }
    .primary-nav a { padding: 13px 5px; border-bottom: 1px solid rgba(255,255,255,.08); font-size: .78rem; }
    .primary-nav a[aria-current="page"]::after { display: none; }
    .header-actions { margin-left: auto; }
    .hero { padding-top: 135px; }
    .hero-layout { grid-template-columns: 1fr; min-height: auto; }
    .hero-copy { position: relative; z-index: 4; }
    .hero-copy h1 { max-width: 760px; }
    .exchange-orbit { min-height: 480px; width: min(600px, 100%); margin: -30px auto 0; transform: none; }
    .hero-ribbon { flex-wrap: wrap; padding: 25px 0; }
    .hero-ribbon span + span::before { margin-right: 14px; }
    .split-heading, .passport-layout, .build-layout, .trust-layout, .faq-layout, .contact-band-grid, .listing-detail-grid, .contact-page-grid { grid-template-columns: 1fr; }
    .split-heading { align-items: start; gap: 25px; }
    .stage-card { min-height: 450px; padding: 27px; }
    .passport-layout, .build-layout, .trust-layout, .faq-layout, .contact-band-grid, .contact-page-grid { gap: 55px; }
    .passport-copy { max-width: 650px; }
    .journey-card { padding: 38px; }
    .build-visual { max-width: 650px; width: 100%; margin-inline: auto; }
    .marketplace-toolbar { grid-template-columns: 1fr 1fr; }
    .filter-search { grid-column: 1 / -1; }
    .listing-hero-grid { grid-template-columns: 1fr; gap: 45px; }
    .listing-ask { max-width: 360px; }
    .listing-contact { position: static; }
    .editorial-grid { grid-template-columns: 1fr; }
    .editorial-card { min-height: auto; }
    .editorial-index { margin-bottom: 35px; }
    .editorial-card h2, .editorial-card > p { min-height: 0; }
    .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
    .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 680px) {
    :root { --shell: calc(100% - 28px); }
    h1 { font-size: clamp(2.7rem, 13vw, 4.2rem); }
    h2 { font-size: clamp(2.1rem, 10vw, 3.2rem); }
    .section { padding: 78px 0; }
    .site-header .brand-copy { display: none; }
    .header-actions { margin-left: auto; }
    .hero { min-height: auto; padding-top: 125px; }
    .hero-layout { gap: 15px; }
    .hero-copy h1 em { margin-top: 8px; }
    .hero-actions { flex-direction: column; align-items: stretch; }
    .hero-actions .button { width: 100%; }
    .exchange-orbit { min-height: 400px; margin-top: 0; transform: scale(.88); }
    .ring-one { width: 340px; height: 340px; }
    .ring-two { width: 430px; height: 280px; }
    .orbit-core { width: 175px; height: 175px; }
    .orbit-core img { width: 65px; }
    .node-idea { left: 0; }
    .node-startup { right: 0; }
    .node-business { left: 5%; }
    .hero-ribbon { gap: 14px; font-size: .55rem; }
    .stage-grid, .listing-grid, .journey-grid { grid-template-columns: 1fr; }
    .stage-card { min-height: auto; }
    .stage-card p { min-height: auto; }
    .listing-card { min-height: 430px; }
    .passport-card { padding: 18px; }
    .passport-grid { grid-template-columns: 1fr; }
    .passport-grid > div { min-height: 125px; }
    .journey-card { min-height: auto; padding: 30px; }
    .journey-label { margin-bottom: 45px; }
    .journey-card > p { min-height: 0; }
    .build-visual { min-height: 370px; }
    .build-object { width: 175px; height: 175px; }
    .check-list { grid-template-columns: 1fr; }
    .form-grid { grid-template-columns: 1fr; }
    .form-submit { align-items: stretch; flex-direction: column; }
    .contact-band .form-panel { margin-inline: -6px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-brand { grid-column: 1 / -1; }
    .footer-bottom { flex-direction: column; }
    .footer-bottom p:last-child { white-space: normal; }
    .page-hero { padding: 145px 0 75px; min-height: 520px; }
    .page-hero h1 { font-size: clamp(2.7rem, 12vw, 4.5rem); }
    .marketplace-toolbar { grid-template-columns: 1fr; }
    .filter-search { grid-column: auto; }
    .passport-detail dl > div { grid-template-columns: 1fr; gap: 8px; padding: 20px; }
    .listing-hero { padding-top: 125px; }
    .back-link { margin-bottom: 55px; }
    .listing-contact { padding: 25px 20px; }
    .listing-hero h1 { font-size: 2.9rem; }
    .legal-content article { grid-template-columns: 45px 1fr; gap: 15px; }
    .privacy-profile dl { grid-template-columns: 1fr; }
    .error-inner > span { font-size: 4.5rem; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
    .reveal[data-reveal-ready="true"] { opacity: 1; transform: none; }
}