:root {
  color-scheme: light;
  --bg: #f5f8f9;
  --paper: #ffffff;
  --paper-2: #edf3f4;
  --ink: #082832;
  --muted: #60777e;
  --line: #cfdbde;
  --line-strong: #a8bdc2;
  --accent: #008d78;
  --accent-strong: #006c5d;
  --accent-soft: #dcefeb;
  --blue: #0b65d8;
  --red: #d95362;
  --shadow: 0 24px 70px rgba(23, 73, 82, .13), 0 2px 8px rgba(23, 73, 82, .08);
  --radius: 8px;
  --font: "Noto Sans SC", "Microsoft YaHei UI", sans-serif;
  --data-font: "Bahnschrift", "DIN Alternate", sans-serif;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #111719;
  --paper: #171f21;
  --paper-2: #1c2729;
  --ink: #edf8f6;
  --muted: #91a7aa;
  --line: #2b3a3d;
  --line-strong: #43575b;
  --accent: #35c7ad;
  --accent-strong: #6ce0cc;
  --accent-soft: #173a35;
  --blue: #6aa5ff;
  --red: #ff7581;
  --shadow: 0 24px 70px rgba(0, 0, 0, .32), 0 2px 8px rgba(0, 0, 0, .25);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--bg); font-family: var(--font); font-size: 16px; line-height: 1.65; letter-spacing: 0; }
body::selection, *::selection { color: #fff; background: var(--accent); }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button { color: inherit; }
img { display: block; max-width: 100%; }
:focus-visible { outline: 3px solid color-mix(in srgb, var(--accent) 42%, transparent); outline-offset: 3px; }
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 100; padding: 9px 14px; color: white; background: var(--accent-strong); transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }

.site-header { position: sticky; top: 0; z-index: 40; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; min-height: 74px; padding: 0 clamp(20px, 4vw, 76px); background: color-mix(in srgb, var(--bg) 90%, transparent); border-bottom: 1px solid var(--line); backdrop-filter: blur(18px); }
.brand { display: flex; align-items: center; gap: 11px; justify-self: start; }
.brand img { width: 38px; height: 38px; border-radius: 8px; box-shadow: 0 8px 22px rgba(0, 82, 105, .18); }
.brand strong, .brand small { display: block; line-height: 1.1; }
.brand strong { font-size: 15px; font-weight: 820; }
.brand small { margin-top: 5px; color: var(--muted); font: 600 8px/1 var(--data-font); letter-spacing: 1.5px; }
.site-header nav { display: flex; gap: clamp(18px, 2.3vw, 36px); }
.site-header nav a { position: relative; color: var(--muted); font-size: 13px; font-weight: 600; }
.site-header nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -9px; height: 1px; background: var(--accent); transition: right .25s ease; }
.site-header nav a:hover { color: var(--ink); }
.site-header nav a:hover::after { right: 0; }
.header-actions { display: flex; align-items: center; justify-self: end; gap: 10px; }
.icon-button, .menu-button { display: grid; place-items: center; width: 38px; height: 38px; padding: 0; color: var(--ink); background: var(--paper); border: 1px solid var(--line); border-radius: 7px; cursor: pointer; }
.icon-button svg { width: 17px; fill: none; stroke: currentColor; stroke-width: 1.6; }
.login-link { display: grid; place-items: center; min-height: 38px; padding: 0 15px; font-size: 13px; font-weight: 700; border: 1px solid var(--line); border-radius: 7px; background: var(--paper); }
.primary-button { display: inline-flex; align-items: center; justify-content: center; gap: 20px; min-height: 49px; padding: 0 22px; color: #fff; background: var(--accent-strong); border: 1px solid var(--accent-strong); border-radius: 7px; font-size: 14px; font-weight: 750; box-shadow: 0 12px 28px rgba(0, 108, 93, .18); transition: transform .2s ease, background .2s ease, box-shadow .2s ease; }
.primary-button:hover { background: var(--accent); transform: translateY(-2px); box-shadow: 0 16px 34px rgba(0, 108, 93, .24); }
.primary-button:active { transform: translateY(0) scale(.98); }
.primary-button.compact { min-height: 38px; padding: 0 17px; font-size: 13px; }
.menu-button { display: none; gap: 5px; }
.menu-button span { width: 16px; height: 1px; background: currentColor; }

.hero { position: relative; min-height: calc(100dvh - 74px); overflow: hidden; padding: clamp(90px, 11vh, 140px) clamp(20px, 5vw, 92px) 78px; border-bottom: 1px solid var(--line); background: var(--bg); }
#depth-canvas { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .7; pointer-events: none; }
.hero::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(90deg, var(--bg) 0%, color-mix(in srgb, var(--bg) 94%, transparent) 39%, color-mix(in srgb, var(--bg) 68%, transparent) 64%, transparent 100%); }
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(380px, .84fr) minmax(560px, 1.16fr); align-items: center; gap: clamp(48px, 7vw, 112px); width: min(1480px, 100%); margin: 0 auto; }
.hero-copy { max-width: 660px; }
.hero-note { display: flex; align-items: center; gap: 11px; margin: 0 0 25px; color: var(--accent-strong); font: 700 11px/1 var(--data-font); letter-spacing: 2px; }
.hero-note span { width: 34px; height: 1px; background: currentColor; }
.hero h1 { max-width: 730px; margin: 0; font-size: clamp(54px, 5.9vw, 94px); line-height: 1.06; font-weight: 860; letter-spacing: 0; }
.hero h1 em { color: var(--accent-strong); font-style: normal; font-weight: 520; }
.hero-lead { max-width: 615px; margin: 28px 0 31px; color: var(--muted); font-size: 17px; line-height: 1.85; }
.hero-actions { display: flex; align-items: center; gap: 25px; }
.text-button { position: relative; display: inline-flex; align-items: center; gap: 12px; padding: 10px 2px 12px; color: var(--ink); font-size: 14px; font-weight: 720; transition: color .22s ease, transform .22s ease; }
.text-button::before, .text-button::after { content: ""; position: absolute; right: 0; bottom: 4px; left: 0; height: 1px; transform-origin: left; }
.text-button::after { background: var(--line-strong); }
.text-button::before { z-index: 1; background: var(--accent); transform: scaleX(0); transition: transform .28s cubic-bezier(.22, 1, .36, 1); }
.text-button span { transition: transform .24s cubic-bezier(.22, 1, .36, 1); }
.text-button:hover { color: var(--accent-strong); transform: translateY(-2px); }
.text-button:hover::before { transform: scaleX(1); }
.text-button:hover span { transform: translate(3px, -3px); }
.text-button:active { transform: translateY(0) scale(.98); }
.proof-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin: 45px 0 0; padding: 19px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.proof-strip div { padding: 0 18px; border-left: 1px solid var(--line); }
.proof-strip div:first-child { padding-left: 0; border-left: 0; }
.proof-strip dt { color: var(--muted); font-size: 11px; }
.proof-strip dd { margin: 4px 0 0; font-size: 12px; font-weight: 750; }

.hero-instrument { position: relative; width: 100%; min-width: 0; border: 1px solid var(--line-strong); border-radius: var(--radius); background: color-mix(in srgb, var(--paper) 94%, transparent); box-shadow: var(--shadow); transition: transform .22s ease; }
.hero-instrument[data-tilt-state="up-left"] { transform: perspective(1300px) rotateX(1.6deg) rotateY(-2.2deg) translateY(-3px); }
.hero-instrument[data-tilt-state="up-center"] { transform: perspective(1300px) rotateX(1.6deg) translateY(-3px); }
.hero-instrument[data-tilt-state="up-right"] { transform: perspective(1300px) rotateX(1.6deg) rotateY(2.2deg) translateY(-3px); }
.hero-instrument[data-tilt-state="center-left"] { transform: perspective(1300px) rotateY(-2.2deg) translateY(-3px); }
.hero-instrument[data-tilt-state="center-center"] { transform: perspective(1300px) translateY(-3px); }
.hero-instrument[data-tilt-state="center-right"] { transform: perspective(1300px) rotateY(2.2deg) translateY(-3px); }
.hero-instrument[data-tilt-state="down-left"] { transform: perspective(1300px) rotateX(-1.6deg) rotateY(-2.2deg) translateY(-3px); }
.hero-instrument[data-tilt-state="down-center"] { transform: perspective(1300px) rotateX(-1.6deg) translateY(-3px); }
.hero-instrument[data-tilt-state="down-right"] { transform: perspective(1300px) rotateX(-1.6deg) rotateY(2.2deg) translateY(-3px); }
.instrument-topbar { display: flex; align-items: center; justify-content: space-between; height: 52px; padding: 0 18px; border-bottom: 1px solid var(--line); }
.instrument-brand { display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: 11px; }
.instrument-brand img { width: 25px; height: 25px; border-radius: 6px; }
.live-pill { display: flex; align-items: center; gap: 7px; color: var(--accent-strong); font: 700 9px/1 var(--data-font); letter-spacing: 1.3px; }
.live-pill i { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 5px color-mix(in srgb, var(--accent) 12%, transparent); }
.instrument-body { display: grid; grid-template-columns: 48px 1fr; }
.instrument-rail { display: flex; flex-direction: column; align-items: center; gap: 17px; padding-top: 22px; border-right: 1px solid var(--line); }
.instrument-rail span { width: 17px; height: 17px; border: 1px solid var(--line); border-radius: 4px; }
.instrument-rail span.active { border-color: var(--accent); background: var(--accent-soft); box-shadow: inset 0 0 0 5px var(--paper); }
.instrument-content { min-width: 0; padding: 27px 28px 20px; }
.account-line { display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.account-line small, .instrument-metrics small { display: block; color: var(--muted); font-size: 10px; }
.account-line strong { display: block; margin-top: 4px; font: 700 28px/1.1 var(--data-font); }
.account-line strong b { font-size: 11px; font-weight: 600; }
.account-line > span { padding: 6px 9px; color: var(--accent-strong); background: var(--accent-soft); border-radius: 5px; font-size: 9px; font-weight: 700; }
.instrument-metrics { display: grid; grid-template-columns: repeat(3, 1fr); margin: 23px 0 15px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.instrument-metrics div { padding: 14px 10px; border-left: 1px solid var(--line); }
.instrument-metrics div:first-child { padding-left: 0; border-left: 0; }
.instrument-metrics strong { display: block; margin-top: 4px; font: 650 17px/1 var(--data-font); }
.positive { color: var(--accent-strong) !important; }
.chart-shell { position: relative; height: 190px; overflow: hidden; }
.chart-grid { position: absolute; inset: 0; background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 100% 47px, 76px 100%; opacity: .48; }
.chart-shell svg { position: relative; width: 100%; height: 100%; overflow: visible; }
.chart-shell .area { fill: url(#area); }
.chart-shell .line { fill: none; stroke: var(--accent); stroke-width: 2.3; }
.chart-shell circle { fill: var(--paper); stroke: var(--accent); stroke-width: 3; }
.chart-signal { position: absolute; padding: 3px 7px; color: var(--accent-strong); background: var(--paper); border: 1px solid color-mix(in srgb, var(--accent) 35%, var(--line)); border-radius: 4px; font-size: 8px; font-weight: 700; box-shadow: 0 5px 14px rgba(16, 83, 84, .09); }
.signal-buy { left: 40%; top: 32%; }
.signal-profit { right: 7%; top: 12%; }
.strategy-rows { border-top: 1px solid var(--line); }
.strategy-rows > div { display: grid; grid-template-columns: 1.8fr .7fr .65fr .5fr; align-items: center; gap: 10px; min-height: 40px; border-bottom: 1px solid var(--line); font-size: 9px; }
.strategy-rows span { display: flex; align-items: center; gap: 8px; }
.strategy-rows b { color: var(--muted); font-weight: 550; }
.strategy-rows em { color: var(--accent-strong); font: 650 10px/1 var(--data-font); font-style: normal; }
.strategy-rows small { color: var(--accent-strong); }
.coin { display: grid; place-items: center; width: 19px; height: 19px; color: white; border-radius: 50%; font: 700 9px/1 var(--data-font); font-style: normal; }
.coin.btc { background: #f39819; }.coin.eth { background: #617ad7; }
.depth-tag { position: absolute; min-width: 94px; padding: 9px 11px; background: var(--paper); border: 1px solid var(--line); box-shadow: 0 9px 23px rgba(15, 62, 68, .11); }
.depth-tag small, .depth-tag b { display: block; }
.depth-tag small { color: var(--muted); font: 600 7px/1 var(--data-font); letter-spacing: 1px; }
.depth-tag b { margin-top: 5px; color: var(--accent-strong); font: 700 12px/1 var(--data-font); }
.tag-one { right: -24px; top: 24%; }.tag-two { left: -29px; bottom: 19%; }
.hero-index { position: absolute; z-index: 3; right: 34px; bottom: 28px; display: flex; align-items: center; gap: 9px; color: var(--muted); font: 600 8px/1 var(--data-font); letter-spacing: 1px; }
.hero-index i { width: 38px; height: 1px; background: var(--line-strong); }

.trust-band { display: flex; align-items: center; justify-content: space-between; gap: 30px; min-height: 92px; padding: 18px clamp(20px, 6vw, 104px); background: var(--paper); border-bottom: 1px solid var(--line); }
.trust-band p { margin: 0; color: var(--muted); font-size: 12px; }
.trust-band > div { display: flex; gap: 44px; }
.trust-band span { display: flex; align-items: center; gap: 9px; font: 650 14px/1 var(--data-font); }
.trust-band img { width: 25px; height: 25px; object-fit: contain; }

.section { padding: 128px clamp(20px, 6vw, 104px); }
.section-intro { display: grid; grid-template-columns: 1.08fr .92fr; align-items: end; gap: clamp(40px, 8vw, 130px); width: min(1300px, 100%); margin: 0 auto 62px; }
.section-intro h2, .workflow h2, .security-copy h2, .preview-heading h2, .final-cta h2 { margin: 0; font-size: clamp(36px, 4.4vw, 64px); line-height: 1.18; font-weight: 790; letter-spacing: 0; }
.section-intro p, .workflow-sticky > p { margin: 0; color: var(--muted); font-size: 16px; line-height: 1.85; }
.capability-ledger { width: min(1300px, 100%); margin: 0 auto; border-top: 1px solid var(--line-strong); }
.ledger-row { display: grid; grid-template-columns: 140px 1.2fr .8fr; align-items: center; gap: 40px; min-height: 144px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.ledger-row.featured { min-height: 190px; }
.ledger-code { color: var(--accent-strong); font: 700 10px/1 var(--data-font); letter-spacing: 1.5px; }
.ledger-row h3 { margin: 0 0 8px; font-size: 24px; line-height: 1.3; }
.ledger-row p { max-width: 690px; margin: 0; color: var(--muted); font-size: 14px; }
.row-action { justify-self: end; color: var(--muted); font: 600 11px/1.5 var(--data-font); }
.pulse-line { display: flex; align-items: center; justify-content: flex-end; gap: 7px; height: 70px; border-bottom: 1px solid var(--line); }
.pulse-line i { width: 13px; background: var(--accent); opacity: .7; }
.pulse-line i:nth-child(1){height:18%}.pulse-line i:nth-child(2){height:42%}.pulse-line i:nth-child(3){height:27%}.pulse-line i:nth-child(4){height:68%}.pulse-line i:nth-child(5){height:51%}.pulse-line i:nth-child(6){height:87%}.pulse-line i:nth-child(7){height:62%}.pulse-line i:nth-child(8){height:100%}

.workflow { display: grid; grid-template-columns: .82fr 1.18fr; gap: clamp(70px, 10vw, 180px); background: var(--paper); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.workflow-sticky { position: sticky; top: 128px; align-self: start; }
.workflow-sticky > p { max-width: 510px; margin-top: 25px; }
.workflow-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line-strong); }
.workflow-list li { display: grid; grid-template-columns: 54px 1fr auto; gap: 26px; align-items: start; min-height: 156px; padding: 30px 0; border-bottom: 1px solid var(--line); }
.workflow-list li > span { color: var(--accent-strong); font: 700 11px/1 var(--data-font); }
.workflow-list h3 { margin: 0 0 9px; font-size: 20px; }
.workflow-list p { margin: 0; color: var(--muted); font-size: 13px; }
.workflow-list b { color: var(--muted); font-size: 10px; font-weight: 600; white-space: nowrap; }

.compact-intro { display: block; }
.compact-intro h2 { max-width: 940px; }
.compact-intro p { max-width: 660px; margin-top: 24px; }
.exchange-table { width: min(1180px, 100%); margin: 0 auto; border-top: 1px solid var(--line-strong); }
.exchange-head, .exchange-row { display: grid; grid-template-columns: 1.3fr repeat(3, 1fr) .7fr; align-items: center; gap: 18px; min-height: 73px; padding: 0 18px; border-bottom: 1px solid var(--line); }
.exchange-head { min-height: 44px; color: var(--muted); font-size: 10px; }
.exchange-row strong { display: flex; align-items: center; gap: 12px; font: 700 16px/1 var(--data-font); }
.exchange-row img { width: 28px; height: 28px; }
.exchange-row i { font-style: normal; font-size: 13px; }
.exchange-row i::before { content: ""; display: inline-block; width: 6px; height: 6px; margin-right: 8px; border-radius: 50%; background: var(--accent); }
.exchange-row i.muted { color: var(--muted); }
.exchange-row i.muted::before { background: var(--line-strong); }
.exchange-row b { color: var(--accent-strong); font-size: 12px; }

.security { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: clamp(60px, 9vw, 150px); color: #eefbf8; background: #092f36; }
html[data-theme="dark"] .security { background: #092b30; }
.security-map { position: relative; display: grid; place-items: center; min-height: 540px; overflow: hidden; border: 1px solid rgba(166, 218, 211, .23); background-image: linear-gradient(rgba(166,218,211,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(166,218,211,.08) 1px, transparent 1px); background-size: 64px 64px; }
.security-rings { position: relative; display: grid; place-items: center; width: min(410px, 76%); aspect-ratio: 1; }
.security-rings > i { position: absolute; border: 1px solid rgba(98, 218, 198, .28); border-radius: 50%; }
.security-rings > i:nth-child(1) { inset: 0; }.security-rings > i:nth-child(2) { inset: 18%; }.security-rings > i:nth-child(3) { inset: 36%; background: rgba(48, 198, 172, .08); }
.security-rings span { position: relative; z-index: 2; display: grid; place-items: center; width: 72px; height: 72px; background: #fff; border-radius: 8px; box-shadow: 0 0 0 12px rgba(87, 215, 193, .08); }
.security-rings img { width: 58px; height: 58px; border-radius: 7px; }
.security-reading { position: absolute; min-width: 138px; padding: 10px 13px; background: #0f3b42; border: 1px solid rgba(166, 218, 211, .24); }
.security-reading small, .security-reading b { display: block; font-family: var(--data-font); }
.security-reading small { color: #8db4b4; font-size: 7px; letter-spacing: 1.2px; }
.security-reading b { margin-top: 4px; color: #5fe0c7; font-size: 11px; }
.reading-a { top: 14%; left: 6%; }.reading-b { top: 38%; right: 5%; }.reading-c { bottom: 13%; left: 12%; }
.security-copy h2 { color: #fff; font-size: clamp(36px, 4vw, 58px); }
.security-points { margin-top: 44px; border-top: 1px solid rgba(166, 218, 211, .24); }
.security-points > div { display: grid; grid-template-columns: 38px 1fr; gap: 17px; padding: 19px 0; border-bottom: 1px solid rgba(166, 218, 211, .17); }
.security-points span { color: #65d8c4; font: 700 9px/1.8 var(--data-font); }
.security-points p { margin: 0; color: #a7c1c2; font-size: 13px; }
.security-points strong { margin-right: 10px; color: #fff; font-size: 14px; }

.preview-heading { display: flex; align-items: end; justify-content: space-between; gap: 40px; width: min(1300px, 100%); margin: 0 auto 48px; }
.preview-heading h2 { max-width: 760px; }
.preview-tabs { display: flex; align-items: center; border-bottom: 1px solid var(--line); }
.preview-tabs button { min-height: 42px; padding: 0 16px; color: var(--muted); background: transparent; border: 0; border-bottom: 2px solid transparent; cursor: pointer; font-size: 12px; }
.preview-tabs button.active { color: var(--accent-strong); border-color: var(--accent); font-weight: 750; }
.product-frame { width: min(1300px, 100%); margin: 0 auto; overflow: hidden; border: 1px solid var(--line-strong); border-radius: var(--radius); background: var(--paper); box-shadow: var(--shadow); }
.product-chrome { display: flex; align-items: center; gap: 7px; height: 42px; padding: 0 14px; color: var(--muted); border-bottom: 1px solid var(--line); font-size: 8px; }
.product-chrome span { width: 7px; height: 7px; border-radius: 50%; background: var(--line-strong); }
.product-chrome b { margin-left: auto; font-weight: 500; }
.product-screen { display: grid; grid-template-columns: 158px 1fr; min-height: 560px; }
.product-screen > aside { padding: 23px 17px; background: var(--paper-2); border-right: 1px solid var(--line); }
.mini-brand { display: flex; align-items: center; gap: 8px; margin-bottom: 49px; font-size: 10px; }
.mini-brand img { width: 27px; height: 27px; border-radius: 6px; }
.product-screen aside > i { display: block; width: 100%; height: 9px; margin: 24px 0; background: var(--line); border-radius: 2px; }
.product-screen aside > i.active { background: var(--accent); }
.screen-main { padding: 35px 38px; }
.screen-head { display: flex; justify-content: space-between; align-items: start; }
.screen-head small { color: var(--accent-strong); font-size: 9px; font-weight: 700; }
.screen-head h3 { margin: 4px 0 0; font-size: 30px; }
.screen-head > span { display: flex; align-items: center; gap: 7px; padding: 7px 10px; color: var(--muted); border: 1px solid var(--line); font-size: 9px; }
.screen-head > span i { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.screen-metrics { display: grid; grid-template-columns: 1.25fr 1fr 1fr; gap: 14px; margin: 27px 0 17px; }
.screen-metrics > div { min-height: 112px; padding: 19px; background: var(--bg); border: 1px solid var(--line); }
.screen-metrics small { display: block; color: var(--muted); font-size: 10px; }
.screen-metrics strong { display: inline-block; margin-top: 14px; font: 680 23px/1 var(--data-font); }
.screen-metrics em { margin-left: 5px; color: var(--muted); font-size: 8px; font-style: normal; }
.screen-chart { min-height: 290px; padding: 22px; border: 1px solid var(--line); }
.screen-chart small { display: block; color: var(--muted); font-size: 10px; }
.screen-chart strong { display: block; margin-top: 5px; font: 650 25px/1 var(--data-font); }
.screen-chart strong em { color: var(--accent-strong); font-size: 10px; font-style: normal; }
.screen-chart svg { width: 100%; height: 190px; margin-top: 19px; overflow: visible; }
.screen-area { fill: color-mix(in srgb, var(--blue) 10%, transparent); }
.screen-line { fill: none; stroke: var(--blue); stroke-width: 2.5; }

.faq { border-top: 1px solid var(--line); }
.faq-list { width: min(1000px, 100%); margin: 0 auto; border-top: 1px solid var(--line-strong); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { display: grid; grid-template-columns: 1fr 24px; align-items: center; gap: 20px; min-height: 77px; cursor: pointer; list-style: none; font-size: 15px; font-weight: 700; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { position: relative; width: 18px; height: 18px; }
.faq-list summary span::before, .faq-list summary span::after { content: ""; position: absolute; top: 8px; left: 2px; width: 14px; height: 1px; background: var(--accent); }
.faq-list summary span::after { transform: rotate(90deg); transition: transform .2s ease; }
.faq-list details[open] summary span::after { transform: rotate(0); }
.faq-list p { max-width: 790px; margin: -4px 0 24px; color: var(--muted); font-size: 13px; }

.final-cta { display: flex; align-items: end; justify-content: space-between; gap: 50px; padding: 105px clamp(20px, 6vw, 104px); color: white; background: var(--accent-strong); }
.final-cta h2 { font-size: clamp(38px, 4.8vw, 68px); }
.final-cta p { margin: 20px 0 0; color: #bde0d9; }
.primary-button.light { flex: 0 0 auto; color: var(--accent-strong); background: white; border-color: white; box-shadow: none; }
.primary-button.light:hover { color: var(--accent-strong); background: #edf9f6; }

footer { display: grid; grid-template-columns: 1fr auto; gap: 30px 60px; padding: 46px clamp(20px, 6vw, 104px); color: var(--muted); background: var(--paper); border-top: 1px solid var(--line); font-size: 11px; }
.footer-brand { display: flex; align-items: center; gap: 10px; color: var(--ink); }
.footer-brand img { width: 34px; height: 34px; border-radius: 7px; }
.footer-brand strong, .footer-brand small { display: block; line-height: 1.2; }
.footer-brand small { margin-top: 4px; color: var(--muted); }
footer nav { display: flex; gap: 25px; }
footer nav a:hover { color: var(--accent-strong); }
footer p, footer > small { grid-column: 1 / -1; max-width: 920px; margin: 0; }

@media (max-width: 1120px) {
  .site-header { grid-template-columns: 1fr auto; }
  .site-header nav { position: absolute; top: 74px; left: 0; right: 0; display: none; padding: 17px 24px; background: var(--paper); border-bottom: 1px solid var(--line); }
  body.menu-open .site-header nav { display: flex; }
  .menu-button { display: grid; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { max-width: 760px; }
  .hero-instrument { width: min(820px, 100%); margin-left: auto; }
  .workflow { gap: 70px; }
  .security { grid-template-columns: .9fr 1.1fr; gap: 55px; }
}

@media (max-width: 780px) {
  .site-header { min-height: 64px; padding: 0 14px; }
  .site-header nav { top: 64px; flex-direction: column; gap: 0; padding: 8px 14px 14px; }
  .site-header nav a { padding: 11px 8px; border-bottom: 1px solid var(--line); }
  .brand img { width: 34px; height: 34px; }.brand strong { font-size: 13px; }.brand small { font-size: 7px; }
  .login-link, .primary-button.compact { min-height: 34px; padding: 0 11px; font-size: 12px; }
  .icon-button, .menu-button { width: 34px; height: 34px; }
  .hero { min-height: auto; padding: 88px 17px 65px; }
  .hero::after { background: linear-gradient(var(--bg) 0%, color-mix(in srgb, var(--bg) 88%, transparent) 60%, transparent); }
  .hero-grid { gap: 54px; }
  .hero h1 { font-size: clamp(43px, 14vw, 67px); }
  .hero-note { font-size: 9px; letter-spacing: 1.3px; }
  .hero-lead { font-size: 15px; line-height: 1.75; }
  .hero-actions { align-items: stretch; gap: 17px; }
  .proof-strip { grid-template-columns: 1fr; }
  .proof-strip div { padding: 11px 0; border-left: 0; border-top: 1px solid var(--line); }
  .proof-strip div:first-child { border-top: 0; }
  .hero-instrument { transform: none !important; }
  .instrument-content { padding: 20px 14px 14px; }
  .instrument-body { grid-template-columns: 34px 1fr; }.instrument-rail { gap: 13px; }.instrument-rail span { width: 14px; height: 14px; }
  .account-line strong { font-size: 21px; }.account-line > span { display: none; }
  .instrument-metrics { grid-template-columns: 1.4fr .8fr .8fr; }.instrument-metrics div { padding: 11px 6px; }.instrument-metrics strong { font-size: 13px; }
  .chart-shell { height: 135px; }.strategy-rows > div { grid-template-columns: 1.5fr .6fr .6fr; }.strategy-rows small { display: none; }
  .depth-tag { display: none; }.hero-index { display: none; }
  .trust-band { align-items: start; flex-direction: column; padding: 20px 17px; }.trust-band > div { width: 100%; justify-content: space-between; gap: 12px; }.trust-band span { font-size: 11px; }
  .section { padding: 82px 17px; }
  .section-intro { grid-template-columns: 1fr; gap: 22px; margin-bottom: 42px; }
  .section-intro h2, .workflow h2, .security-copy h2, .preview-heading h2, .final-cta h2 { font-size: clamp(33px, 10vw, 46px); }
  .ledger-row, .ledger-row.featured { grid-template-columns: 1fr; gap: 16px; min-height: 0; padding: 25px 0; }.pulse-line { justify-content: flex-start; }.row-action { justify-self: start; }
  .workflow { grid-template-columns: 1fr; gap: 44px; }.workflow-sticky { position: static; }.workflow-list li { grid-template-columns: 38px 1fr; min-height: 0; }.workflow-list li > b { grid-column: 2; }
  .exchange-table { overflow-x: auto; }.exchange-head, .exchange-row { grid-template-columns: 150px repeat(3, 100px) 70px; min-width: 590px; }
  .security { grid-template-columns: 1fr; }.security-map { min-height: 390px; }.security-copy { order: -1; }
  .preview-heading { display: block; }.preview-tabs { margin-top: 28px; overflow-x: auto; }.preview-tabs button { white-space: nowrap; }
  .product-screen { grid-template-columns: 1fr; min-height: 0; }.product-screen > aside { display: none; }.screen-main { padding: 22px 14px; }.screen-head > span { display: none; }.screen-metrics { grid-template-columns: 1fr 1fr; }.screen-metrics > div:first-child { grid-column: 1 / -1; }.screen-chart { min-height: 240px; }.screen-chart svg { height: 150px; }
  .final-cta { align-items: start; flex-direction: column; padding: 80px 17px; }
  footer { grid-template-columns: 1fr; padding: 38px 17px; } footer nav { flex-wrap: wrap; gap: 16px; } footer p, footer > small { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}