:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --ink: #12161d;
  --muted: #667080;
  --line: #d9dee7;
  --blue: #0868e8;
  --blue-dark: #0751b2;
  --orange: #f07c36;
  --green: #1d9f70;
  --yellow: #f4c54a;
  --black: #10141b;
  --page: min(1180px, calc(100% - 48px));
}

* { box-sizing: border-box; }
html { overflow-x: clip; scroll-behavior: smooth; }
body {
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--bg);
  font-family: Inter, "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }
svg { width: 1em; height: 1em; stroke-width: 1.8; }
:where(a, button):focus-visible { outline: 3px solid rgb(8 104 232 / 28%); outline-offset: 4px; }
.page-shell { width: var(--page); margin-inline: auto; }
.tilt-card {
  --tilt-x: 0deg;
  --tilt-y: 0deg;
  transition: transform 1.15s cubic-bezier(.16, 1, .3, 1);
  will-change: transform;
}
.tilt-card.is-tilting {
  transition-duration: .24s;
  transition-timing-function: cubic-bezier(.22, .61, .36, 1);
}
.scroll-progress { position: fixed; z-index: 1000; inset: 0 0 auto; height: 3px; pointer-events: none; }
.scroll-progress span { display: block; width: 100%; height: 100%; background: var(--blue); transform: scaleX(0); transform-origin: left; }
.cursor-glow { position: fixed; z-index: 90; width: 280px; aspect-ratio: 1; border-radius: 50%; pointer-events: none; opacity: 0; background: radial-gradient(circle, rgb(8 104 232 / 11%), transparent 68%); transform: translate(-50%, -50%); }

.site-header { position: fixed; z-index: 100; inset: 0 0 auto; height: 76px; border-bottom: 1px solid transparent; transition: background .35s, border-color .35s, backdrop-filter .35s; }
.site-header.is-scrolled {
  border-color: rgb(20 28 39 / 9%);
  background: rgb(246 247 249 / 72%);
  backdrop-filter: blur(16px) saturate(125%);
}
.nav-shell { width: min(1280px, calc(100% - 48px)); height: 100%; margin: auto; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 19px; font-weight: 800; line-height: 1; }
.brand-icon { display: grid; place-items: center; width: 34px; aspect-ratio: 1; border-radius: 8px; color: white; background: var(--blue); }
.brand-icon svg { width: 19px; height: 19px; }
.desktop-nav { display: flex; align-items: center; gap: 34px; color: #505a68; font-size: 14px; }
.desktop-nav a { position: relative; padding: 10px 0; }
.desktop-nav a::after { content: ""; position: absolute; inset: auto 0 5px; height: 1px; background: var(--ink); transform: scaleX(0); transform-origin: right; transition: transform .35s; }
.desktop-nav a:hover::after { transform: scaleX(1); transform-origin: left; }
.nav-actions { height: 100%; display: flex; align-items: center; gap: 8px; }
.nav-download { display: inline-flex; align-items: center; gap: 10px; padding: 10px 14px; border: 1px solid #bfc7d3; border-radius: 8px; font-size: 13px; font-weight: 700; background: rgb(255 255 255 / 35%); }
.menu-button { display: none; width: 42px; height: 42px; padding: 0; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); cursor: pointer; }
.mobile-nav { position: fixed; z-index: 99; inset: 70px 0 auto; display: none; padding: 20px 24px 30px; border-bottom: 1px solid var(--line); background: var(--bg); transform: translateY(-120%); transition: transform .45s cubic-bezier(.2,.8,.2,1); }
.mobile-nav.is-open { transform: translateY(0); }
.mobile-nav a { display: block; padding: 15px 0; border-bottom: 1px solid var(--line); font-size: 20px; font-weight: 700; }

.hero { position: relative; min-height: 760px; height: calc(100svh - 28px); max-height: 880px; overflow: hidden; border-bottom: 1px solid var(--line); }
.hero-grid { position: absolute; inset: 0; opacity: .5; background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 72px 72px; mask-image: linear-gradient(to bottom, black, transparent 92%); }
.hero-content { position: relative; z-index: 2; height: 100%; display: grid; grid-template-columns: .95fr 1.05fr; align-items: center; gap: 56px; padding-top: 70px; }
.availability { display: inline-flex; align-items: center; gap: 10px; margin: 0 0 24px; color: #526071; font-size: 12px; font-weight: 650; }
.availability span { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 5px rgb(29 159 112 / 12%); animation: pulse 2s infinite; }
h1, h2, h3, p { margin-top: 0; }
h1 { display: flex; margin: 0 0 23px; font-size: clamp(96px, 12vw, 170px); line-height: .8; font-weight: 900; }
h1 .quote { align-self: flex-start; margin-top: .08em; font-size: .48em; line-height: 1; font-weight: 700; }
h1 .word { display: inline-block; }
h1 .accent { color: var(--blue); }
.hero-lead { margin-bottom: 18px; font-size: 28px; line-height: 1.4; font-weight: 750; }
.hero-description { max-width: 530px; margin-bottom: 30px; color: var(--muted); font-size: 16px; line-height: 1.85; }
.hero-actions { display: flex; align-items: center; gap: 12px; }
.primary-button, .secondary-button { position: relative; display: inline-flex; min-height: 52px; align-items: center; justify-content: center; gap: 11px; padding: 0 20px; border-radius: 8px; font-size: 14px; font-weight: 750; overflow: hidden; transition: color .25s, background .25s, border-color .25s, transform .25s; }
.primary-button { color: white; background: var(--blue); }
.primary-button::before { content: ""; position: absolute; inset: 0; background: white; transform: translateY(105%); transition: transform .45s cubic-bezier(.2,.8,.2,1); }
.primary-button:hover { color: var(--blue); }
.primary-button:hover::before { transform: translateY(0); }
.primary-button > * { position: relative; z-index: 1; }
.secondary-button { border: 1px solid #bfc7d2; background: rgb(255 255 255 / 56%); }
.secondary-button:hover { border-color: var(--ink); background: var(--surface); }
.hero-visual { height: 100%; display: grid; place-items: center; }
.device-stage { position: relative; width: min(530px, 100%); height: 650px; display: grid; place-items: center; perspective: 1400px; }
.device-shadow { position: absolute; bottom: 45px; width: 320px; height: 50px; border-radius: 50%; background: rgb(17 24 35 / 18%); filter: blur(22px); }
.device-frame { --phone-z: 5deg; position: relative; z-index: 5; width: 282px; padding: 8px; border: 2px solid #303743; border-radius: 42px; background: #11161e; box-shadow: 0 45px 90px rgb(31 50 82 / 24%); transform: rotateZ(var(--phone-z)) rotateX(var(--tilt-x)) rotateY(var(--tilt-y)); transform-style: preserve-3d; }
.device-speaker { position: absolute; z-index: 2; top: 16px; left: 50%; width: 68px; height: 19px; border-radius: 20px; background: #10141b; transform: translateX(-50%); }
.device-screen { width: 100%; aspect-ratio: 1280 / 2844; overflow: hidden; border-radius: 33px; background: #dce5f7; }
.device-screen picture, .device-screen img { display: block; width: 100%; height: auto; }
.floating-stat { position: absolute; z-index: 4; display: flex; align-items: center; gap: 12px; min-width: 180px; padding: 13px 15px; border: 1px solid rgb(255 255 255 / 85%); border-radius: 8px; background: rgb(255 255 255 / 78%); box-shadow: 0 16px 36px rgb(26 43 71 / 14%); backdrop-filter: blur(16px); }
.floating-stat small, .floating-stat strong { display: block; }
.floating-stat small { margin-bottom: 4px; color: var(--muted); font-size: 10px; }
.floating-stat strong { font-size: 13px; }
.stat-icon { display: grid; place-items: center; width: 35px; height: 35px; border-radius: 7px; }
.stat-icon.blue { color: var(--blue); background: #e7f1ff; }
.stat-icon.orange { color: var(--orange); background: #fff0e8; }
.stat-mileage { top: 150px; left: 0; }
.stat-service { right: -4px; bottom: 140px; }
.scroll-hint { position: absolute; z-index: 3; right: 28px; bottom: 28px; display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 9px; font-weight: 700; writing-mode: vertical-rl; }
.scroll-hint svg { animation: nudge 1.5s infinite; }

.intro-band { padding: 112px 0 120px; background: var(--surface); }
.intro-layout { display: grid; grid-template-columns: 160px minmax(0, 1fr) 300px; align-items: start; gap: 44px; }
.section-index { margin: 0 0 18px; color: var(--blue); font-size: 16px; line-height: 1.5; font-weight: 750; letter-spacing: 0; text-transform: uppercase; white-space: nowrap; }
.intro-layout > .section-index, .value-heading > .section-index { margin-top: 5px; }
.split-heading { margin: 0; font-size: 52px; line-height: 1.18; font-weight: 800; letter-spacing: 0; }
.split-heading span { color: var(--blue); }
.intro-copy, .section-note { color: var(--muted); font-size: 16px; line-height: 1.75; }
.intro-copy { margin: 5px 0 0; }

.release-note { border-block: 1px solid var(--line); background: #f0f6ff; }
.release-note-layout { min-height: 138px; display: grid; grid-template-columns: 160px minmax(0, 1fr); align-items: center; gap: 44px; padding-block: 28px; }
.release-note-label { display: inline-flex; align-items: center; gap: 9px; color: var(--blue); font-size: 18px; line-height: 1.4; font-weight: 800; letter-spacing: 0; }
.release-note-label svg { width: 20px; height: 20px; }
.release-note-content { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 24px 36px; min-width: 0; }
.release-primary { min-width: 0; }
.release-heading-line { display: flex; align-items: baseline; flex-wrap: wrap; gap: 8px 16px; margin-bottom: 8px; }
.release-heading-line strong { color: var(--blue); font-size: 28px; font-weight: 800; letter-spacing: 0; line-height: 1.15; overflow-wrap: anywhere; }
.release-date { color: #738094; font-size: 12px; line-height: 1.5; font-weight: 650; white-space: nowrap; }
.release-primary > p { max-width: 720px; margin: 0; color: var(--muted); font-size: 15px; line-height: 1.7; white-space: pre-line; }
.release-history { margin: 0; color: var(--muted); font-size: 13px; }
.release-history summary { min-height: 38px; display: inline-flex; align-items: center; padding: 0 12px; border: 1px solid #bdd2ef; border-radius: 6px; color: var(--blue); background: rgb(255 255 255 / 54%); font-weight: 700; cursor: pointer; white-space: nowrap; }
.release-history[open] { grid-column: 1 / -1; }
.release-history[open] summary { margin-left: auto; }
.release-note-layout:has(.release-history[open]) { align-items: start; }
.release-note-layout:has(.release-history[open]) .release-note-label { margin-top: 5px; }
#release-history-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); align-items: start; gap: 12px; margin-top: 16px; }
.release-history-item { min-width: 0; margin: 0; padding: 16px; border: 1px solid #cfddf0; border-radius: 6px; background: rgb(255 255 255 / 58%); }
.release-history-item time { display: block; margin-top: 4px; color: #738094; font-size: 12px; line-height: 1.5; }
.release-history-item strong { display: block; color: var(--ink); font-size: 15px; line-height: 1.4; overflow-wrap: anywhere; }
.release-history-item p { margin: 8px 0 0; color: var(--muted); font-size: 13px; line-height: 1.65; white-space: pre-line; }

.values-section { padding: 112px 0 120px; color: white; background: var(--black); }
.value-heading { display: grid; grid-template-columns: 160px minmax(0, 1fr); gap: 44px; margin-bottom: 52px; }
.values-section .section-index { color: #83b8ff; }
.values-section .split-heading span { color: #78b3ff; }
.value-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.value-card { position: relative; min-height: 318px; padding: 28px; overflow: hidden; border: 1px solid #303946; border-radius: 8px; background: #171d26; transition: border-color .3s, transform .3s, background .3s; }
.value-card:hover { border-color: #55759e; background: #1b2430; transform: translateY(-5px); }
.value-card-primary { border-color: #287add; background: linear-gradient(145deg, #0d67d8, #074da9); }
.value-card-primary:hover { border-color: #83b8ff; background: linear-gradient(145deg, #1173ed, #0753b9); }
.value-icon { display: grid; place-items: center; width: 44px; height: 44px; margin-bottom: 36px; border: 1px solid rgb(255 255 255 / 13%); border-radius: 8px; color: #83b8ff; background: rgb(255 255 255 / 6%); }
.value-card-primary .value-icon { color: white; background: rgb(255 255 255 / 13%); }
.value-icon svg { width: 22px; height: 22px; }
.value-no { position: absolute; top: 28px; right: 28px; color: #768294; font-size: 12px; line-height: 1.4; font-weight: 800; }
.value-card-primary .value-no { color: rgb(255 255 255 / 58%); }
.value-card h3 { margin-bottom: 12px; font-size: 22px; line-height: 1.4; font-weight: 750; letter-spacing: 0; }
.value-card > p:not(.value-no) { max-width: 480px; margin-bottom: 20px; color: #aab4c2; font-size: 15px; line-height: 1.75; }
.value-card-primary > p:not(.value-no) { color: #d7e8ff; }
.value-card strong { display: block; padding-top: 18px; border-top: 1px solid rgb(255 255 255 / 10%); color: #e6eaf0; font-size: 13px; line-height: 1.7; }
.data-note { display: flex; align-items: center; gap: 18px; margin-top: 14px; padding: 20px 24px; border: 1px solid #303946; border-radius: 8px; color: #aab4c2; background: #141a22; font-size: 14px; line-height: 1.7; }
.data-note > svg { flex: 0 0 auto; width: 22px; height: 22px; color: #83b8ff; }
.data-note b { color: white; }

.features-section { padding: 112px 0 120px; }
.section-top { display: flex; align-items: end; justify-content: space-between; gap: 48px; margin-bottom: 52px; }
.section-note { width: 340px; margin-bottom: 5px; }
.feature-experience { display: grid; grid-template-columns: 300px 1fr; gap: 24px; }
.feature-tabs { display: flex; flex-direction: column; border-top: 1px solid var(--line); }
.feature-tab { display: grid; grid-template-columns: 34px 1fr 20px; align-items: center; gap: 8px; min-height: 72px; padding: 0 6px; border: 0; border-bottom: 1px solid var(--line); background: transparent; text-align: left; cursor: pointer; transition: padding .3s, color .3s; }
.feature-tab span { color: #828c9a; font-size: 12px; line-height: 1.4; }
.feature-tab strong { font-size: 16px; line-height: 1.4; font-weight: 700; letter-spacing: 0; }
.feature-tab svg { opacity: 0; transform: translate(-8px, 8px); transition: opacity .3s, transform .3s; }
.feature-tab:hover, .feature-tab.is-active { padding-left: 14px; color: var(--blue); }
.feature-tab.is-active svg { opacity: 1; transform: none; }
.feature-panel { position: relative; min-height: 500px; overflow: hidden; display: grid; grid-template-columns: .82fr 1.18fr; gap: 36px; padding: 42px; border-radius: 8px; color: white; background: #172233; box-shadow: 0 30px 70px rgb(24 38 61 / 16%); transform: rotateX(var(--tilt-x)) rotateY(var(--tilt-y)); transform-style: preserve-3d; }
.panel-noise { position: absolute; inset: 0; opacity: .14; background-image: linear-gradient(rgb(255 255 255 / 12%) 1px, transparent 1px), linear-gradient(90deg, rgb(255 255 255 / 12%) 1px, transparent 1px); background-size: 46px 46px; }
.panel-copy, .panel-data { position: relative; z-index: 1; }
.panel-copy { align-self: end; padding-bottom: 8px; }
.panel-icon { display: grid; place-items: center; width: 46px; height: 46px; margin-bottom: 24px; border: 1px solid rgb(255 255 255 / 18%); border-radius: 8px; color: var(--yellow); background: rgb(255 255 255 / 8%); }
.panel-kicker { margin-bottom: 14px; color: #8db8f6; font-size: 12px; line-height: 1.4; font-weight: 750; }
.panel-copy h3 { margin-bottom: 16px; font-size: 30px; line-height: 1.4; font-weight: 750; letter-spacing: 0; }
.panel-copy > p:last-child { margin: 0; color: #b7c1cf; font-size: 15px; line-height: 1.75; }
.panel-data { align-self: center; padding: 30px 28px; border: 1px solid rgb(255 255 255 / 13%); border-radius: 8px; background: rgb(255 255 255 / 6%); backdrop-filter: blur(10px); }
.odometer span { display: block; margin-bottom: 12px; color: #b7c1cf; font-size: 13px; line-height: 1.5; }
.odometer strong { font-size: 64px; line-height: 1; letter-spacing: 0; }
.odometer small { margin-left: 8px; color: #8db8f6; font-size: 14px; }
.chart { width: 100%; height: auto; margin-top: 34px; overflow: visible; }
.chart-grid { fill: none; stroke: rgb(255 255 255 / 10%); stroke-width: 1; }
.chart-area { fill: rgb(8 104 232 / 16%); }
.chart-line { fill: none; stroke: #78b3ff; stroke-width: 4; stroke-linecap: round; }
.chart circle { fill: var(--yellow); stroke: white; stroke-width: 3; }
.chart-labels { display: flex; justify-content: space-between; color: #8d99aa; font-size: 11px; line-height: 1.4; }

.workflow-section { padding: 112px 0 120px; color: white; background: var(--black); }
.workflow-pin { display: grid; grid-template-columns: minmax(360px, .82fr) minmax(500px, 1.18fr); gap: clamp(60px, 8vw, 110px); }
.workflow-copy { position: sticky; top: 140px; align-self: start; }
.workflow-copy .section-index { color: #82b5fb; }
.workflow-copy .split-heading { font-size: 52px; }
.workflow-copy > p:last-child { max-width: 400px; margin-top: 24px; color: #aab4c2; font-size: 16px; line-height: 1.75; }
.workflow-steps { align-self: start; border-top: 1px solid #343c48; }
.workflow-step { min-height: 168px; display: grid; grid-template-columns: 42px 48px minmax(0, 1fr); align-items: start; gap: 20px; padding: 34px 8px; border-bottom: 1px solid #343c48; transition: background .35s, padding .35s; }
.workflow-step:hover { padding-inline: 20px; background: rgb(255 255 255 / 3%); }
.workflow-step > span { color: #7d8999; font-size: 12px; line-height: 1.4; }
.workflow-step > svg { width: 30px; height: 30px; color: var(--yellow); }
.workflow-step-copy { min-width: 0; padding-top: 1px; }
.workflow-step h3 { margin-bottom: 10px; font-size: 22px; line-height: 1.4; font-weight: 750; letter-spacing: 0; }
.workflow-step p { max-width: 440px; margin: 0; color: #aab4c2; font-size: 15px; line-height: 1.75; }

.vehicle-marquee { overflow: hidden; padding: 18px 0; border-block: 1px solid #bed6f7; background: #eaf3ff; }
.marquee-track { width: max-content; display: flex; align-items: center; gap: 14px; animation: marquee 30s linear infinite; }
.vehicle-type { display: flex; align-items: center; gap: 13px; min-width: 220px; padding: 13px 18px; border: 1px solid #c9dcf7; border-radius: 8px; background: rgb(255 255 255 / 72%); }
.vehicle-type > svg { width: 26px; height: 26px; padding: 5px; box-sizing: content-box; border-radius: 9px; color: white; background: var(--blue); }
.vehicle-type span, .vehicle-type b, .vehicle-type small { display: block; }
.vehicle-type b { font-size: 15px; line-height: 1.4; }
.vehicle-type small { margin-top: 3px; color: var(--muted); font-size: 11px; line-height: 1.4; font-weight: 600; }

.details-section { padding: 112px 0 120px; background: var(--surface); }
.details-heading { margin-bottom: 30px; }
.detail-list { border-top: 1px solid var(--line); }
.detail-row { display: grid; grid-template-columns: .86fr 1.14fr; align-items: center; gap: 80px; min-height: 590px; padding: 72px 0; border-bottom: 1px solid var(--line); }
.detail-row.reverse .detail-copy { order: 2; }
.detail-number { color: #8b95a3; font-size: 12px; line-height: 1.4; font-weight: 750; }
.detail-kicker { margin: 24px 0 12px; color: var(--blue); font-size: 16px; line-height: 1.5; font-weight: 800; }
.detail-copy h3 { margin-bottom: 18px; font-size: 30px; line-height: 1.45; font-weight: 750; letter-spacing: 0; }
.detail-copy > p:not(.detail-kicker) { color: var(--muted); font-size: 15px; line-height: 1.8; }
.detail-copy ul { display: grid; gap: 13px; margin: 28px 0 0; padding: 0; list-style: none; }
.detail-copy li { display: flex; align-items: center; gap: 10px; color: #3f4855; font-size: 14px; line-height: 1.6; }
.detail-copy li svg { width: 16px; height: 16px; color: var(--green); }
.detail-demo { min-height: 430px; padding: 30px; border: 1px solid var(--line); border-radius: 8px; background: #eef1f5; box-shadow: 0 28px 70px rgb(30 47 73 / 12%); transform: rotateX(var(--tilt-x)) rotateY(var(--tilt-y)); transform-style: preserve-3d; }
.demo-toolbar, .service-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 26px; }
.demo-toolbar span, .service-head span { font-size: 16px; line-height: 1.4; font-weight: 800; }
.demo-toolbar b, .service-head b { padding: 7px 9px; border-radius: 5px; color: var(--blue); background: #dceaff; font-size: 11px; line-height: 1.4; }
.vehicles-demo { padding: 26px; background: linear-gradient(145deg, #f5f8fc, #eaf0f7); }
.vehicles-demo .demo-toolbar { margin-bottom: 16px; }
.demo-vehicle { display: grid; grid-template-columns: 46px 1fr auto; align-items: center; gap: 14px; min-height: 72px; margin-top: 9px; padding: 0 15px; border: 1px solid #dce4ef; border-radius: 10px; background: rgb(255 255 255 / 82%); box-shadow: 0 5px 16px rgb(30 47 73 / 4%); transition: transform .3s, border-color .3s, background .3s; }
.demo-vehicle:hover, .demo-vehicle.active { border-color: #a9c9f7; background: white; transform: translateX(7px); }
.vehicle-icon { display: grid !important; place-items: center; width: 38px; height: 38px; border-radius: 10px; color: var(--blue) !important; background: #e6f0ff; }
.vehicle-icon svg { width: 20px; height: 20px; }
.vehicle-icon.orange { color: #d86b2b !important; background: #fff0e6; }
.vehicle-icon.green { color: var(--green) !important; background: #e5f6ef; }
.vehicle-icon.violet { color: #7357c9 !important; background: #eeeafd; }
.demo-vehicle strong, .demo-vehicle span { display: block; }
.demo-vehicle strong { margin-bottom: 5px; font-size: 14px; line-height: 1.4; }
.demo-vehicle span { color: var(--muted); font-size: 12px; line-height: 1.4; }
.vehicle-mileage { min-width: 70px; text-align: right; }
.vehicle-mileage b, .vehicle-mileage small { display: block; }
.vehicle-mileage b { color: var(--ink); font-size: 15px; line-height: 1.3; }
.vehicle-mileage small { margin-top: 3px; color: #8c97a7; font-size: 10px; line-height: 1.3; text-transform: uppercase; }
.energy-demo { display: flex; flex-direction: column; justify-content: space-between; padding: 32px; color: white; background: linear-gradient(145deg, #152b46, #0e1b2b); }
.energy-head { display: flex; align-items: start; justify-content: space-between; gap: 20px; }
.energy-total span, .energy-total strong, .energy-total small { display: block; }
.energy-total span { color: #b7c1cf; font-size: 12px; line-height: 1.5; }
.energy-total strong { display: flex; align-items: baseline; gap: 8px; margin: 12px 0 0; font-size: 38px; line-height: 1; }
.energy-total strong small { color: #82b8fb; font-size: 20px; }
.trend { display: flex; align-items: center; gap: 5px; padding: 8px 10px; border: 1px solid rgb(109 211 173 / 24%); border-radius: 8px; color: #6dd3ad; background: rgb(109 211 173 / 9%); font-size: 12px; line-height: 1.4; font-weight: 750; }
.trend svg { width: 14px; height: 14px; }
.trend small { color: #aab4c2; font-size: 10px; font-weight: 500; }
.energy-bars { height: 170px; display: flex; align-items: end; gap: 11px; padding: 22px 0 23px; border-bottom: 1px solid #405067; }
.energy-bars i { position: relative; flex: 1; height: var(--h); border-radius: 5px 5px 2px 2px; background: linear-gradient(#559df7, #2879df); transform-origin: bottom; transition: height .4s, background .3s; }
.energy-bars i::after { content: attr(data-month); position: absolute; right: 0; bottom: -19px; left: 0; color: #8290a3; font-size: 10px; line-height: 1.3; font-style: normal; text-align: center; }
.energy-bars i.current { background: var(--yellow); }
.energy-bars i:hover { height: 100%; background: var(--yellow); }
.energy-summary { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.energy-summary > span { display: flex; align-items: center; gap: 12px; padding: 14px; border: 1px solid #394b63; border-radius: 8px; color: #aab4c2; background: rgb(255 255 255 / 3%); font-size: 11px; line-height: 1.4; }
.energy-summary > span > svg { width: 20px; height: 20px; padding: 7px; box-sizing: content-box; border-radius: 8px; color: #77adf3; background: rgb(78 145 235 / 12%); }
.energy-summary b { display: block; margin-bottom: 4px; color: white; font-size: 16px; line-height: 1.3; }
.energy-summary b small { color: #aab4c2; font-size: 10px; }
.service-demo { background: #f5f6f8; }
.service-item { display: grid; grid-template-columns: 42px 1fr auto; align-items: center; gap: 12px; min-height: 88px; margin-top: 10px; padding: 0 15px; border: 1px solid #dce1e8; border-radius: 7px; background: white; }
.service-item > svg { width: 21px; height: 21px; color: var(--blue); }
.service-item strong, .service-item span { display: block; }
.service-item strong { margin-bottom: 5px; font-size: 14px; line-height: 1.4; }
.service-item span { color: var(--muted); font-size: 12px; line-height: 1.4; }
.service-item em { padding: 6px 8px; border-radius: 4px; color: var(--green); background: #e1f5ed; font-size: 10px; line-height: 1.4; font-style: normal; }
.service-item.warning > svg { color: var(--orange); }
.service-item.warning em { color: #bb642f; background: #ffeadf; }

.site-footer { color: #d8dde5; background: var(--black); }
.footer-layout { min-height: 116px; display: flex; align-items: center; gap: 30px; }
.site-footer .footer-brand { color: #69a9ff; }
.site-footer .footer-brand > span:last-child { color: var(--blue); }
.footer-brand .brand-icon { color: white; background: var(--blue); }
.footer-layout > p { margin: 0; color: #8e99a8; font-size: 13px; line-height: 1.5; }
.footer-links { display: flex; gap: 22px; margin-left: auto; color: #9aa5b3; font-size: 13px; line-height: 1.5; }
.footer-links a:hover { color: white; }
.download-toast { position: fixed; z-index: 200; left: 50%; bottom: 24px; display: flex; align-items: center; gap: 10px; max-width: calc(100% - 32px); padding: 13px 16px; border-radius: 8px; color: white; background: var(--black); box-shadow: 0 14px 40px rgb(0 0 0 / 25%); opacity: 0; transform: translate(-50%, 25px); pointer-events: none; transition: opacity .3s, transform .3s; }
.download-toast.is-visible { opacity: 1; transform: translate(-50%, 0); }

@keyframes pulse { 50% { box-shadow: 0 0 0 9px rgb(29 159 112 / 0%); } }
@keyframes nudge { 50% { transform: translateY(6px); } }
@keyframes marquee { to { transform: translateX(-50%); } }

@media (max-width: 900px) {
  :root { --page: min(100% - 32px, 680px); }
  .site-header { height: 58px; }
  .nav-shell { width: calc(100% - 32px); height: 58px; align-items: center; justify-content: space-between; }
  .nav-shell > .brand,
  .nav-shell > .nav-actions { position: static; }
  .desktop-nav, .nav-download { display: none; }
  .menu-button { display: grid; flex: 0 0 42px; place-items: center; align-self: center; }
  .mobile-nav {
    top: 66px;
    right: 16px;
    left: 16px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
    padding: 8px;
    border: 1px solid rgb(24 35 51 / 10%);
    border-radius: 14px;
    background: rgb(255 255 255 / 92%);
    box-shadow: 0 18px 45px rgb(22 40 67 / 16%);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-10px) scale(.98);
    transform-origin: top right;
    backdrop-filter: blur(18px) saturate(130%);
    transition: opacity .22s, visibility .22s, transform .3s cubic-bezier(.2,.8,.2,1);
  }
  .mobile-nav.is-open { opacity: 1; visibility: visible; pointer-events: auto; transform: translateY(0) scale(1); }
  .mobile-nav a {
    min-height: 42px;
    display: flex;
    align-items: center;
    padding: 0 12px;
    border: 0;
    border-radius: 9px;
    background: #f3f6fa;
    font-size: 14px;
    font-weight: 750;
  }
  .mobile-nav a:active { background: #e7edf5; }
  .mobile-nav a:last-child { color: white; background: var(--blue); }
  .hero { min-height: 790px; height: calc(100svh - 22px); max-height: 920px; }
  .hero-content { min-height: 0; height: 100%; display: block; padding: 102px 0 0; }
  .hero-copy { text-align: center; }
  h1 { justify-content: center; font-size: 116px; }
  .hero-lead { font-size: 23px; }
  .hero-description { margin-inline: auto; }
  .hero-actions { justify-content: center; }
  .hero-visual { position: absolute; right: 0; bottom: -210px; left: 0; height: 480px; pointer-events: none; }
  .device-stage { height: 470px; }
  .device-frame { width: 215px; height: auto; border-radius: 34px; }
  .device-screen { border-radius: 26px; }
  .stat-mileage { top: 90px; left: 8%; }
  .stat-service { right: 5%; bottom: 80px; }
  .scroll-hint { display: none; }
  .intro-band, .values-section, .features-section, .workflow-section, .details-section { padding-block: 96px; }
  .intro-layout { grid-template-columns: 1fr; gap: 18px; }
  .intro-layout > .section-index, .value-heading > .section-index { margin-top: 0; }
  .intro-copy { max-width: 560px; margin-top: 4px; }
  .split-heading, .workflow-copy .split-heading { font-size: 44px; }
  .release-note-layout { grid-template-columns: 1fr; gap: 14px; padding-block: 26px; }
  .release-note-content { gap: 20px 28px; }
  #release-history-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .value-heading { grid-template-columns: 1fr; gap: 18px; margin-bottom: 42px; }
  .section-top { display: block; }
  .section-note { width: auto; max-width: 560px; margin-top: 22px; }
  .feature-experience { grid-template-columns: 1fr; }
  .feature-tabs { display: grid; grid-template-columns: 1fr 1fr; }
  .feature-panel { min-height: 570px; grid-template-columns: 1fr; }
  .workflow-pin { grid-template-columns: 1fr; gap: 60px; }
  .workflow-copy { position: static; }
  .detail-row, .detail-row.reverse { grid-template-columns: 1fr; gap: 42px; min-height: 0; padding: 68px 0; }
  .detail-row.reverse .detail-copy { order: 0; }
}

@media (max-width: 700px) {
  #release-history-list, .value-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .cursor-glow { display: none; }
  .hero { min-height: 782px; height: auto; max-height: none; }
  .hero-content { min-height: 782px; height: 782px; padding-top: 84px; }
  h1 { font-size: 82px; }
  .hero-lead { font-size: 20px; }
  .hero-description { font-size: 14px; line-height: 1.75; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .primary-button, .secondary-button { width: 100%; }
  .hero-visual { bottom: 62px; height: 360px; }
  .device-stage { height: 390px; }
  .device-frame { width: 150px; height: auto; padding: 4px; border-width: 1px; border-radius: 22px; }
  .device-screen { border-radius: 17px; }
  .device-speaker { top: 8px; width: 38px; height: 10px; }
  .floating-stat { min-width: 142px; padding: 10px; }
  .stat-mileage { top: 70px; left: 0; }
  .stat-service { right: 0; bottom: 58px; }
  .stat-icon { width: 29px; height: 29px; }
  .section-index { margin-bottom: 14px; font-size: 15px; }
  .split-heading, .workflow-copy .split-heading { font-size: 34px; line-height: 1.22; }
  .intro-band, .values-section, .features-section, .workflow-section, .details-section { padding: 72px 0; }
  .intro-layout { gap: 14px; }
  .intro-copy, .section-note { font-size: 15px; line-height: 1.75; }
  .release-note-layout { min-height: 0; gap: 12px; padding-block: 24px; }
  .release-note-label { font-size: 17px; }
  .release-note-content { grid-template-columns: 1fr; gap: 16px; }
  .release-heading-line { gap: 6px 12px; margin-bottom: 7px; }
  .release-heading-line strong { font-size: 24px; }
  .release-primary > p { font-size: 14px; }
  .release-history summary { min-height: 36px; }
  .release-history[open] { grid-column: auto; }
  .release-history[open] summary { margin-left: 0; }
  #release-history-list { grid-template-columns: 1fr; gap: 8px; margin-top: 12px; }
  .release-history-item { padding: 14px; }
  .value-grid { grid-template-columns: 1fr; }
  .value-heading { margin-bottom: 34px; }
  .value-card { min-height: 0; padding: 24px; }
  .value-icon { margin-bottom: 30px; }
  .value-no { top: 24px; right: 24px; }
  .value-card h3 { font-size: 21px; }
  .value-card > p:not(.value-no) { font-size: 14px; }
  .data-note { align-items: flex-start; padding: 18px; }
  .feature-tabs { grid-template-columns: 1fr; }
  .feature-tab { min-height: 62px; }
  .feature-panel { min-height: 530px; padding: 28px 22px; }
  .panel-copy h3 { font-size: 25px; line-height: 1.42; }
  .panel-data { padding: 24px 18px; }
  .odometer strong { font-size: 48px; }
  .workflow-pin { gap: 44px; }
  .workflow-step { grid-template-columns: 30px 38px minmax(0, 1fr); gap: 12px; min-height: 158px; padding: 30px 0; }
  .workflow-step h3 { font-size: 20px; }
  .workflow-step p { font-size: 14px; }
  .vehicle-type b { font-size: 14px; }
  .vehicle-type small { font-size: 10px; }
  .detail-row, .detail-row.reverse { gap: 32px; padding: 56px 0; }
  .detail-kicker { font-size: 16px; }
  .detail-copy h3 { font-size: 26px; }
  .detail-copy > p:not(.detail-kicker) { font-size: 14px; }
  .detail-copy li { align-items: flex-start; font-size: 13px; }
  .detail-demo { min-height: 380px; padding: 20px 14px; }
  .energy-total strong { font-size: 36px; }
  .energy-summary { gap: 8px; }
  .energy-summary > span { gap: 8px; padding: 11px; }
  .footer-layout { padding: 30px 0; flex-wrap: wrap; }
  .footer-layout > p { display: none; }
  .footer-links { width: 100%; margin-left: 0; justify-content: space-between; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .cursor-glow { display: none; }
}