:root {
  --beetle-orange: #e8552d;
  --beetle-orange-dark: #c84220;
  --beetle-olive: #a5a819;
  --beetle-ink: #191715;
  --beetle-muted: #6e675f;
  --beetle-paper: #f7f3ee;
  --beetle-line: #ded6ce;
  --beetle-white: #ffffff;
  --beetle-blue: #2d89d8;
  --beetle-shadow: 0 24px 60px rgba(68, 44, 27, 0.14);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--beetle-ink);
  background: var(--beetle-paper);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  line-height: 1.72;
  overflow-x: hidden;
}

body.menu-open { overflow: hidden; }

a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
img { display: block; max-width: 100%; }

:focus-visible {
  outline: 3px solid rgba(232, 85, 45, 0.42);
  outline-offset: 4px;
}

.beetle-masthead {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  border-bottom: 1px solid transparent;
  transition: background .25s ease, border-color .25s ease, box-shadow .25s ease;
}

.beetle-masthead.is-scrolled {
  background: rgba(247, 243, 238, .94);
  border-color: rgba(222, 214, 206, .86);
  box-shadow: 0 8px 26px rgba(68, 44, 27, .06);
  backdrop-filter: blur(14px);
}

.beetle-routebar {
  width: min(1240px, calc(100% - 40px));
  height: 78px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 32px;
}

.beetle-brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 800; }
.beetle-brand img { width: 40px; height: 40px; border-radius: 12px; }
.beetle-brand span { white-space: nowrap; }

.beetle-nav { display: flex; justify-content: center; align-items: center; gap: 26px; }
.beetle-nav a { color: #514b45; font-size: 14px; transition: color .2s ease; }
.beetle-nav a:hover { color: var(--beetle-orange); }

.beetle-head-cta {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 42px;
  padding: 0 18px;
  border: 1px solid var(--beetle-ink);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  transition: color .2s ease, background .2s ease, transform .2s ease;
}

.beetle-head-cta:hover { color: #fff; background: var(--beetle-ink); transform: translateY(-2px); }

.beetle-nav-toggle {
  display: none;
  align-items: center;
  gap: 6px;
  border: 0;
  background: none;
  color: var(--beetle-ink);
  cursor: pointer;
}

.beetle-launchpad {
  position: relative;
  min-height: 800px;
  padding: 142px max(24px, calc((100vw - 1240px) / 2)) 72px;
  display: grid;
  grid-template-columns: minmax(0, .88fr) minmax(560px, 1.12fr);
  align-items: center;
  gap: 68px;
  isolation: isolate;
  overflow: hidden;
}

.beetle-launchpad::before {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  right: -120px;
  top: 90px;
  z-index: -2;
  border-radius: 50%;
  background: #f4d7ca;
  filter: blur(2px);
}

.beetle-launchpad::after {
  content: "";
  position: absolute;
  width: 220px;
  height: 220px;
  left: 31%;
  bottom: -130px;
  z-index: -2;
  border-radius: 50%;
  background: #dfe1a7;
}

.beetle-signal-grid {
  position: absolute;
  inset: 0 0 0 50%;
  z-index: -1;
  opacity: .34;
  background-image: linear-gradient(rgba(25,23,21,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(25,23,21,.08) 1px, transparent 1px);
  background-size: 38px 38px;
  mask-image: linear-gradient(to bottom, transparent, #000 18%, #000 80%, transparent);
}

.beetle-manifesto { position: relative; z-index: 2; }
.beetle-status { margin: 0 0 22px; color: #5c554e; font-size: 14px; font-weight: 700; }
.beetle-status span { display: inline-block; width: 9px; height: 9px; margin-right: 8px; border-radius: 50%; background: var(--beetle-olive); box-shadow: 0 0 0 6px rgba(165,168,25,.15); }

.beetle-manifesto h1 {
  margin: 0;
  font-size: clamp(52px, 5.25vw, 64px);
  line-height: 1.08;
  letter-spacing: 0;
}

.beetle-hero-line { margin: 18px 0 16px; color: var(--beetle-orange); font-size: clamp(25px, 2.6vw, 34px); font-weight: 800; line-height: 1.25; }
.beetle-hero-intro { max-width: 600px; margin: 0; color: #5f5852; font-size: 17px; }

.beetle-launch-actions { display: flex; align-items: center; gap: 24px; margin-top: 32px; }
.beetle-download {
  min-width: 176px;
  min-height: 54px;
  padding: 0 20px;
  display: inline-flex;
  justify-content: space-between;
  align-items: center;
  gap: 22px;
  border-radius: 10px;
  background: var(--beetle-orange);
  color: #fff;
  font-weight: 800;
  box-shadow: 7px 7px 0 var(--beetle-ink);
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

.beetle-download:hover { background: var(--beetle-orange-dark); transform: translate(3px, 3px); box-shadow: 4px 4px 0 var(--beetle-ink); }
.beetle-text-link { display: inline-flex; align-items: center; gap: 7px; border-bottom: 1px solid currentColor; color: #544e48; font-weight: 700; }

.beetle-proof-strip { margin: 44px 0 0; padding-top: 20px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; border-top: 1px solid var(--beetle-line); }
.beetle-proof-strip div { min-width: 0; }
.beetle-proof-strip dt { color: #8c837a; font-size: 12px; }
.beetle-proof-strip dd { margin: 2px 0 0; font-size: 13px; font-weight: 800; }

.beetle-product-workspace { position: relative; min-width: 0; padding: 28px 22px 38px; }
.beetle-workbench {
  position: relative;
  z-index: 2;
  overflow: hidden;
  border: 1px solid #302e2b;
  border-radius: 18px;
  background: #fff;
  box-shadow: var(--beetle-shadow), 12px 12px 0 #d9ddd0;
  transform: rotate(1.25deg);
}

.beetle-workbench-top { min-height: 43px; padding: 0 17px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; background: var(--beetle-ink); color: #fff; }
.beetle-workbench-top p { margin: 0; color: #d7d2cc; font-size: 10px; font-weight: 800; letter-spacing: .16em; }
.beetle-dot-set { display: flex; gap: 6px; }
.beetle-dot-set i { width: 7px; height: 7px; border-radius: 50%; background: var(--beetle-orange); }
.beetle-dot-set i:nth-child(2) { background: #f3c84b; }
.beetle-dot-set i:nth-child(3) { background: var(--beetle-olive); }
.beetle-secure { justify-self: end; color: #d7d2cc; font-size: 10px; }
.beetle-secure i { display: inline-block; width: 7px; height: 7px; margin-right: 5px; border-radius: 50%; background: #6fca78; }

.beetle-device-identity { padding: 17px 18px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 13px; border-bottom: 1px solid #ebe5df; background: #fbfaf8; }
.beetle-device-avatar { width: 45px; height: 45px; display: grid; place-items: center; border-radius: 10px; background: #e7f2fc; color: var(--beetle-blue); font-size: 23px; }
.beetle-device-identity span, .beetle-device-identity small { display: block; color: #8a8179; font-size: 10px; }
.beetle-device-identity strong { display: block; font-size: 18px; line-height: 1.25; }
.beetle-device-identity b { padding: 7px 10px; border-radius: 999px; background: #e6f4ea; color: #327845; font-size: 10px; }

.beetle-workbench-body { display: grid; grid-template-columns: 90px 1fr; }
.beetle-tool-rail { padding: 13px 9px; display: flex; flex-direction: column; gap: 6px; background: #f2efeb; border-right: 1px solid #e3ddd7; }
.beetle-tool-rail span { min-height: 38px; padding: 0 8px; display: flex; align-items: center; gap: 7px; border-radius: 7px; color: #706960; font-size: 10px; font-weight: 700; }
.beetle-tool-rail span i { font-size: 14px; }
.beetle-tool-rail .is-current { background: var(--beetle-orange); color: #fff; }
.beetle-device-console { min-width: 0; padding: 15px; }
.beetle-metric-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.beetle-metric-row div { padding: 10px; border: 1px solid #e9e2dc; border-radius: 8px; background: #fff; }
.beetle-metric-row span { display: block; color: #8b827a; font-size: 9px; }
.beetle-metric-row strong { display: block; margin-top: 3px; font-size: 12px; white-space: nowrap; }
.beetle-action-deck { margin-top: 10px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.beetle-action-deck button { padding: 10px 5px; border: 1px solid #e8e1db; border-radius: 8px; background: #faf9f7; color: var(--beetle-ink); text-align: center; pointer-events: none; }
.beetle-action-deck i { display: block; color: var(--beetle-orange); font-size: 19px; }
.beetle-action-deck span, .beetle-action-deck small { display: block; }
.beetle-action-deck span { margin-top: 3px; font-size: 10px; font-weight: 800; }
.beetle-action-deck small { color: #91877e; font-size: 8px; }
.beetle-activity-feed { margin-top: 10px; border-top: 1px dashed #ddd5ce; }
.beetle-activity-feed p { margin: 0; padding: 7px 1px; display: flex; justify-content: space-between; border-bottom: 1px dashed #eee8e2; font-size: 9px; }
.beetle-activity-feed span { color: #6d655e; }
.beetle-activity-feed i { color: var(--beetle-blue); }
.beetle-activity-feed b { color: #37784a; }

.beetle-real-screen { position: absolute; right: -4px; bottom: 0; z-index: 4; width: 126px; margin: 0; padding: 7px; border: 1px solid #282624; border-radius: 16px; background: #fff; box-shadow: 0 18px 36px rgba(42,31,23,.2); transform: rotate(-4deg); animation: beetle-float 6s ease-in-out infinite; }
.beetle-real-screen img { width: 100%; height: auto; border-radius: 10px; }
.beetle-real-screen figcaption { padding: 6px 2px 1px; font-size: 9px; font-weight: 800; text-align: center; }
.beetle-float-tag { position: absolute; z-index: 5; padding: 9px 12px; border: 1px solid var(--beetle-ink); background: #fff; font-size: 11px; font-weight: 800; box-shadow: 4px 4px 0 rgba(25,23,21,.14); }
.beetle-float-tag--top { top: 2px; right: 36px; transform: rotate(2deg); }
.beetle-float-tag--bottom { left: 0; bottom: 14px; background: #eff0c9; transform: rotate(-2deg); }

@keyframes beetle-float { 0%, 100% { transform: translateY(0) rotate(-4deg); } 50% { transform: translateY(-9px) rotate(-3deg); } }

.beetle-scenarios { display: grid; grid-template-columns: minmax(280px, .72fr) minmax(0, 1.28fr); background: var(--beetle-ink); color: #fff; }
.beetle-scenario-lead { padding: 74px max(32px, calc((100vw - 1240px) / 2)); padding-right: 70px; align-self: start; position: sticky; top: 78px; }
.beetle-scenario-lead > p { margin: 0 0 12px; color: #e8a189; font-size: 13px; font-weight: 800; }
.beetle-scenario-lead h2 { margin: 0; max-width: 460px; font-size: clamp(30px, 3.4vw, 42px); line-height: 1.25; }
.beetle-scenario-lead span { display: block; max-width: 440px; margin-top: 20px; color: #bfb7af; font-size: 15px; }
.beetle-scene-track { border-left: 1px solid #413d39; }
.beetle-scene { min-height: 170px; padding: 30px max(32px, calc((100vw - 1240px) / 2)) 30px 34px; display: grid; grid-template-columns: 42px 54px minmax(0, 1fr) auto; align-items: center; gap: 22px; border-bottom: 1px solid #413d39; }
.beetle-scene:last-child { border-bottom: 0; }
.beetle-scene-no { color: #7e756c; font-size: 12px; font-weight: 800; }
.beetle-scene > i { width: 54px; height: 54px; display: grid; place-items: center; border-radius: 50%; color: #fff; background: var(--beetle-orange); font-size: 25px; }
.beetle-scene--car > i { background: var(--beetle-olive); color: var(--beetle-ink); }
.beetle-scene--mobile > i { background: var(--beetle-blue); }
.beetle-scene--lab > i { background: #fff; color: var(--beetle-ink); }
.beetle-scene h3 { margin: 0 0 5px; font-size: 21px; }
.beetle-scene p { margin: 0; max-width: 600px; color: #bfb7af; font-size: 14px; }
.beetle-scene em { justify-self: end; padding: 5px 9px; border: 1px solid #514a44; border-radius: 999px; color: #9f968d; font-size: 10px; font-style: normal; white-space: nowrap; }

.beetle-screen-story { padding: 72px 0 60px; background: #f1ece6; overflow: hidden; }
.beetle-screen-intro { width: min(1180px, calc(100% - 40px)); margin: 0 auto 36px; display: grid; grid-template-columns: .5fr 1fr .8fr; gap: 28px; align-items: end; }
.beetle-screen-intro p { margin: 0; color: var(--beetle-orange); font-size: 13px; font-weight: 800; }
.beetle-screen-intro h2 { margin: 0; font-size: clamp(29px, 3vw, 38px); line-height: 1.25; }
.beetle-screen-intro span { color: var(--beetle-muted); font-size: 14px; }
.beetle-screen-runway { width: min(1240px, calc(100% - 40px)); margin: 0 auto; padding: 34px 30px 18px; display: grid; grid-template-columns: repeat(12, 1fr); align-items: start; gap: 18px; border-top: 1px solid var(--beetle-line); }
.beetle-screen-figure { margin: 0; }
.beetle-screen-figure--menu { grid-column: 1 / span 4; }
.beetle-screen-figure--info { grid-column: 5 / span 4; margin-top: 64px; }
.beetle-screen-figure--tools { grid-column: 9 / span 4; margin-top: 16px; }
.beetle-shot-frame { padding: 12px; border: 1px solid #d0c6bc; background: #fff; box-shadow: 0 16px 38px rgba(69,52,40,.1); }
.beetle-shot-frame img { width: 100%; height: auto; }
.beetle-screen-figure figcaption { padding: 17px 6px; }
.beetle-screen-figure figcaption b { display: block; color: var(--beetle-orange); font-size: 11px; }
.beetle-screen-figure figcaption strong { display: block; margin-top: 4px; font-size: 14px; line-height: 1.55; }

.beetle-capability-route { padding: 66px max(24px, calc((100vw - 1180px) / 2)); background: #fff; }
.beetle-route-title { max-width: 670px; }
.beetle-route-title span { color: var(--beetle-orange); font-size: 13px; font-weight: 800; }
.beetle-route-title h2 { margin: 8px 0 10px; font-size: clamp(29px, 3vw, 38px); line-height: 1.25; }
.beetle-route-title p { margin: 0; color: var(--beetle-muted); }
.beetle-route-map { margin: 40px 0 0; display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--beetle-line); }
.beetle-route-map > div { position: relative; min-width: 0; padding: 24px 22px; border-right: 1px solid var(--beetle-line); }
.beetle-route-map > div:last-child { border-right: 0; }
.beetle-route-map > div:not(:last-child)::after { content: ""; position: absolute; right: -7px; top: 33px; z-index: 2; width: 13px; height: 13px; border: 2px solid #fff; border-radius: 50%; background: var(--beetle-orange); }
.beetle-route-map dt { font-size: 17px; font-weight: 800; }
.beetle-route-map dt span { display: block; margin-bottom: 16px; color: #b2aaa2; font-size: 11px; }
.beetle-route-map dd { margin: 10px 0 24px; color: var(--beetle-muted); font-size: 13px; }
.beetle-route-map small { color: var(--beetle-orange); font-weight: 800; }

.beetle-connect-lab { padding: 68px max(24px, calc((100vw - 1120px) / 2)); display: grid; grid-template-columns: minmax(0, 1fr) 330px; align-items: center; gap: 76px; background: #e9e7c9; }
.beetle-connect-copy > p { margin: 0 0 8px; color: #6a6c0d; font-size: 13px; font-weight: 800; }
.beetle-connect-copy h2 { max-width: 630px; margin: 0; font-size: clamp(29px, 3vw, 38px); line-height: 1.25; }
.beetle-connect-switch { margin: 28px 0 24px; display: inline-grid; grid-template-columns: repeat(3, auto); border: 1px solid #b8b890; background: #f6f4d9; }
.beetle-connect-switch button { min-height: 44px; padding: 0 20px; border: 0; border-right: 1px solid #b8b890; background: transparent; color: #515247; cursor: pointer; font-weight: 800; }
.beetle-connect-switch button:last-child { border-right: 0; }
.beetle-connect-switch button[aria-selected="true"] { background: var(--beetle-ink); color: #fff; }
.beetle-connect-panel { max-width: 690px; padding-left: 22px; border-left: 4px solid var(--beetle-orange); }
.beetle-connect-panel > span { color: #6b6859; font-size: 12px; }
.beetle-connect-panel h3 { margin: 6px 0 8px; font-size: 20px; }
.beetle-connect-panel p { margin: 0; color: #646155; font-size: 14px; }
.beetle-connect-panel ul { margin: 16px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; list-style: none; }
.beetle-connect-panel li { padding: 4px 9px; border: 1px solid #b9b78f; border-radius: 999px; color: #5d5e4e; font-size: 11px; }
.beetle-help-sheet { position: relative; margin: 0; padding: 36px 18px 18px; border: 1px solid var(--beetle-ink); background: #fff; box-shadow: 10px 10px 0 var(--beetle-orange); transform: rotate(1.8deg); }
.beetle-help-sheet > span { position: absolute; top: -16px; left: 20px; padding: 6px 10px; background: var(--beetle-ink); color: #fff; font-size: 11px; font-weight: 800; }
.beetle-help-sheet img { width: 100%; height: auto; }
.beetle-help-sheet figcaption { padding: 12px 2px 0; color: #6f675f; font-size: 11px; }

.beetle-safety-note { padding: 30px max(24px, calc((100vw - 1180px) / 2)); display: grid; grid-template-columns: 70px .72fr 1.28fr; align-items: center; gap: 28px; background: var(--beetle-orange); color: #fff; }
.beetle-safety-mark { width: 62px; height: 62px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.55); border-radius: 50%; font-size: 28px; }
.beetle-safety-note p { margin: 0; color: #ffdfd5; font-size: 11px; font-weight: 800; }
.beetle-safety-note h2 { margin: 3px 0 0; font-size: 25px; line-height: 1.3; }
.beetle-safety-note ul { margin: 0; padding-left: 19px; color: #fff4ef; font-size: 13px; }

.beetle-field-notes { padding: 72px max(24px, calc((100vw - 1180px) / 2)); background: #f7f3ee; }
.beetle-review-heading { display: grid; grid-template-columns: .45fr 1fr .8fr; align-items: end; gap: 28px; }
.beetle-review-heading > p { margin: 0; color: var(--beetle-orange); font-size: 13px; font-weight: 800; }
.beetle-review-heading h2 { margin: 0; font-size: clamp(29px, 3vw, 38px); line-height: 1.25; }
.beetle-review-heading > span { color: var(--beetle-muted); font-size: 14px; }
.beetle-note-ledger { margin-top: 36px; display: grid; grid-template-columns: .85fr 1.15fr; gap: 14px; }
.beetle-note { position: relative; padding: 22px; border: 1px solid var(--beetle-line); background: #fff; }
.beetle-note--feature { padding: 30px; background: var(--beetle-ink); color: #fff; }
.beetle-note--feature p { font-size: 19px; line-height: 1.8; }
.beetle-note--muted { background: #efede3; }
.beetle-note-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.beetle-note-row { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1.25fr 1fr; gap: 14px; }
.beetle-note-meta { display: flex; align-items: center; gap: 10px; }
.beetle-avatar { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 50%; background: #f6d8cd; color: var(--beetle-orange-dark); font-weight: 800; }
.beetle-note-meta b, .beetle-note-meta time { display: block; }
.beetle-note-meta b { font-size: 13px; }
.beetle-note-meta time { color: #968c83; font-size: 10px; }
.beetle-note p { margin: 18px 0 16px; color: #5f5852; font-size: 13px; }
.beetle-note--feature p { color: #e4dfd9; }
.beetle-note strong { color: var(--beetle-orange); }
.beetle-rating { color: #f0a23d; font-size: 13px; letter-spacing: .08em; }

.beetle-questions { padding: 70px max(24px, calc((100vw - 1180px) / 2)); display: grid; grid-template-columns: 350px minmax(0, 1fr); align-items: start; gap: 80px; background: #fff; }
.beetle-question-index { position: sticky; top: 108px; }
.beetle-question-index > span { color: var(--beetle-orange); font-size: 13px; font-weight: 800; }
.beetle-question-index h2 { margin: 7px 0 14px; font-size: 34px; line-height: 1.25; }
.beetle-question-index p { margin: 0 0 23px; color: var(--beetle-muted); font-size: 14px; }
.beetle-question-index a { display: inline-flex; align-items: center; gap: 7px; color: var(--beetle-orange); font-size: 13px; font-weight: 800; border-bottom: 1px solid currentColor; }
.beetle-answer-stack { border-top: 1px solid var(--beetle-line); }
.beetle-answer-stack details { border-bottom: 1px solid var(--beetle-line); }
.beetle-answer-stack summary { min-height: 76px; display: grid; grid-template-columns: 36px 1fr auto; align-items: center; gap: 12px; cursor: pointer; list-style: none; font-size: 16px; font-weight: 800; }
.beetle-answer-stack summary::-webkit-details-marker { display: none; }
.beetle-answer-stack summary span { color: #a79e95; font-size: 11px; }
.beetle-answer-stack summary i { font-size: 20px; transition: transform .2s ease; }
.beetle-answer-stack details[open] summary i { transform: rotate(45deg); }
.beetle-answer-stack details p { margin: -2px 0 22px 48px; color: var(--beetle-muted); font-size: 14px; }

.beetle-final-call { position: relative; margin: 0; padding: 60px max(24px, calc((100vw - 1180px) / 2)); display: grid; grid-template-columns: 1fr 260px; align-items: center; gap: 60px; overflow: hidden; background: var(--beetle-orange); color: #fff; }
.beetle-final-copy { position: relative; z-index: 2; max-width: 760px; }
.beetle-final-copy > span { font-size: 12px; font-weight: 800; color: #ffdcd1; }
.beetle-final-copy h2 { margin: 8px 0 14px; font-size: clamp(31px, 3.6vw, 44px); line-height: 1.22; }
.beetle-final-copy p { max-width: 640px; margin: 0; color: #fff0ea; }
.beetle-final-copy a { margin-top: 24px; min-height: 50px; padding: 0 18px; display: inline-flex; align-items: center; gap: 20px; border-radius: 8px; background: var(--beetle-ink); color: #fff; font-weight: 800; }
.beetle-qr-card { position: relative; z-index: 2; margin: 0; padding: 14px; display: grid; grid-template-columns: 108px 1fr; align-items: center; gap: 14px; background: #fff; color: var(--beetle-ink); box-shadow: 8px 8px 0 rgba(25,23,21,.25); }
.beetle-qr-card img { width: 108px; height: 108px; }
.beetle-qr-card b, .beetle-qr-card span { display: block; }
.beetle-qr-card b { font-size: 13px; }
.beetle-qr-card span { margin-top: 4px; color: #837970; font-size: 10px; line-height: 1.5; }
.beetle-final-beetle { position: absolute; right: 24%; bottom: -72px; color: rgba(255,255,255,.12); font-size: 250px; line-height: 1; transform: rotate(-12deg); }

.beetle-footer { padding: 34px max(24px, calc((100vw - 1180px) / 2)); display: grid; grid-template-columns: 1fr auto; gap: 18px 40px; align-items: center; background: var(--beetle-ink); color: #fff; }
.beetle-footer-brand { display: flex; align-items: center; gap: 12px; }
.beetle-footer-brand img { width: 44px; height: 44px; border-radius: 12px; }
.beetle-footer-brand b, .beetle-footer-brand span { display: block; }
.beetle-footer-brand b { font-size: 14px; }
.beetle-footer-brand span { color: #9d958d; font-size: 11px; }
.beetle-footer p, .beetle-footer small { margin: 0; color: #7f7770; font-size: 10px; }
.beetle-footer p { grid-column: 1; }
.beetle-footer small { grid-column: 2; grid-row: 1; justify-self: end; }

.beetle-backtop { position: fixed; right: 20px; bottom: 20px; z-index: 80; width: 43px; height: 43px; display: grid; place-items: center; border: 1px solid var(--beetle-ink); border-radius: 50%; background: #fff; color: var(--beetle-ink); box-shadow: 4px 4px 0 rgba(25,23,21,.18); cursor: pointer; opacity: 0; visibility: hidden; transform: translateY(8px); transition: .2s ease; }
.beetle-backtop.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }

@media (max-width: 1120px) {
  .beetle-routebar { width: min(100% - 32px, 1000px); gap: 22px; }
  .beetle-nav { gap: 18px; }
  .beetle-launchpad { grid-template-columns: .82fr 1.18fr; gap: 34px; padding-inline: 28px; }
  .beetle-manifesto h1 { font-size: 50px; }
  .beetle-product-workspace { padding-inline: 5px; }
  .beetle-real-screen { width: 108px; right: -10px; }
  .beetle-action-deck { grid-template-columns: repeat(2, 1fr); }
  .beetle-activity-feed p:last-child { display: none; }
  .beetle-scenario-lead { padding-left: 34px; padding-right: 34px; }
  .beetle-scene { padding-right: 34px; }
  .beetle-scene em { display: none; }
  .beetle-connect-lab { gap: 44px; }
  .beetle-questions { grid-template-columns: 300px 1fr; gap: 48px; }
}

@media (max-width: 900px) {
  .beetle-routebar { grid-template-columns: auto 1fr auto; }
  .beetle-nav-toggle { display: inline-flex; justify-self: end; min-height: 44px; }
  .beetle-head-cta { display: none; }
  .beetle-nav { position: fixed; inset: 78px 0 auto; padding: 22px 24px 28px; display: grid; gap: 0; background: #f7f3ee; border-bottom: 1px solid var(--beetle-line); box-shadow: 0 18px 36px rgba(40,30,20,.1); opacity: 0; visibility: hidden; transform: translateY(-14px); transition: .2s ease; }
  .beetle-nav.is-open { opacity: 1; visibility: visible; transform: translateY(0); }
  .beetle-nav a { padding: 13px 4px; border-bottom: 1px solid var(--beetle-line); font-size: 15px; }
  .beetle-launchpad { min-height: auto; padding: 126px 28px 64px; grid-template-columns: 1fr; gap: 52px; }
  .beetle-manifesto { max-width: 720px; }
  .beetle-product-workspace { width: min(720px, 100%); margin: 0 auto; }
  .beetle-signal-grid { inset: 46% 0 0; }
  .beetle-scenarios { grid-template-columns: 1fr; }
  .beetle-scenario-lead { position: static; padding: 54px 32px 34px; }
  .beetle-scene-track { border-left: 0; border-top: 1px solid #413d39; }
  .beetle-screen-intro, .beetle-review-heading { grid-template-columns: .5fr 1.5fr; }
  .beetle-screen-intro span, .beetle-review-heading > span { grid-column: 2; }
  .beetle-route-map { grid-template-columns: repeat(2, 1fr); }
  .beetle-route-map > div:nth-child(2) { border-right: 0; }
  .beetle-route-map > div:nth-child(-n+2) { border-bottom: 1px solid var(--beetle-line); }
  .beetle-route-map > div:nth-child(2)::after { display: none; }
  .beetle-connect-lab { grid-template-columns: 1fr 280px; gap: 34px; }
  .beetle-safety-note { grid-template-columns: 60px 1fr; }
  .beetle-safety-note ul { grid-column: 2; }
  .beetle-note-ledger { grid-template-columns: 1fr; }
  .beetle-note-row { grid-template-columns: 1fr 1fr; }
  .beetle-questions { grid-template-columns: 1fr; gap: 30px; }
  .beetle-question-index { position: static; max-width: 650px; }
}

@media (max-width: 640px) {
  .beetle-routebar { width: calc(100% - 28px); height: 68px; }
  .beetle-brand img { width: 36px; height: 36px; }
  .beetle-brand span { font-size: 14px; }
  .beetle-nav { top: 68px; }
  .beetle-launchpad { padding: 108px 18px 48px; gap: 40px; }
  .beetle-manifesto h1 { font-size: 38px; }
  .beetle-hero-line { margin-top: 13px; font-size: 24px; }
  .beetle-hero-intro { font-size: 15px; }
  .beetle-launch-actions { align-items: flex-start; flex-direction: column; gap: 16px; }
  .beetle-download { width: 220px; max-width: 100%; min-width: 0; }
  .beetle-text-link { align-self: flex-start; }
  .beetle-proof-strip { margin-top: 34px; grid-template-columns: 1fr; gap: 10px; }
  .beetle-proof-strip div { display: grid; grid-template-columns: 54px 1fr; }
  .beetle-product-workspace { padding: 20px 0 30px; }
  .beetle-workbench { border-radius: 13px; transform: none; box-shadow: 7px 7px 0 #d9ddd0; }
  .beetle-workbench-top { grid-template-columns: 1fr auto; }
  .beetle-workbench-top p { display: none; }
  .beetle-device-identity { grid-template-columns: auto 1fr; }
  .beetle-device-identity > b { grid-column: 1 / -1; justify-self: start; }
  .beetle-workbench-body { grid-template-columns: 1fr; }
  .beetle-tool-rail { padding: 8px; flex-direction: row; overflow-x: auto; border-right: 0; border-bottom: 1px solid #e3ddd7; scrollbar-width: thin; }
  .beetle-tool-rail span { flex: 0 0 auto; min-height: 34px; }
  .beetle-metric-row { grid-template-columns: 1fr; }
  .beetle-metric-row div { display: flex; justify-content: space-between; align-items: center; }
  .beetle-action-deck { grid-template-columns: repeat(2, 1fr); }
  .beetle-real-screen { display: none; }
  .beetle-float-tag { font-size: 9px; }
  .beetle-float-tag--top { right: 10px; }
  .beetle-float-tag--bottom { left: 8px; }
  .beetle-scenario-lead { padding: 44px 20px 28px; }
  .beetle-scenario-lead h2 { font-size: 28px; }
  .beetle-scene { min-height: 0; padding: 25px 20px; grid-template-columns: 32px 46px 1fr; gap: 13px; }
  .beetle-scene > i { width: 46px; height: 46px; font-size: 21px; }
  .beetle-scene h3 { font-size: 18px; }
  .beetle-screen-story { padding: 46px 0 38px; }
  .beetle-screen-intro, .beetle-review-heading { width: calc(100% - 36px); grid-template-columns: 1fr; gap: 10px; }
  .beetle-screen-intro span, .beetle-review-heading > span { grid-column: auto; }
  .beetle-screen-intro h2, .beetle-review-heading h2 { font-size: 27px; }
  .beetle-screen-runway { width: 100%; padding: 25px 18px 6px; display: flex; overflow-x: auto; gap: 15px; scroll-snap-type: x mandatory; }
  .beetle-screen-figure { flex: 0 0 76vw; margin-top: 0; scroll-snap-align: center; }
  .beetle-capability-route { padding: 46px 18px; }
  .beetle-route-title h2 { font-size: 27px; }
  .beetle-route-map { grid-template-columns: 1fr; margin-top: 28px; }
  .beetle-route-map > div { border-right: 0; border-bottom: 1px solid var(--beetle-line); }
  .beetle-route-map > div:last-child { border-bottom: 0; }
  .beetle-route-map > div::after { display: none; }
  .beetle-connect-lab { padding: 48px 18px; grid-template-columns: 1fr; }
  .beetle-connect-copy h2 { font-size: 27px; }
  .beetle-connect-switch { width: 100%; grid-template-columns: repeat(3, 1fr); }
  .beetle-connect-switch button { padding: 0 8px; }
  .beetle-help-sheet { width: min(330px, calc(100% - 14px)); margin: 12px auto 0; transform: none; }
  .beetle-safety-note { padding: 28px 18px; grid-template-columns: 52px 1fr; gap: 16px; }
  .beetle-safety-mark { width: 50px; height: 50px; font-size: 23px; }
  .beetle-safety-note h2 { font-size: 21px; }
  .beetle-safety-note ul { padding-left: 18px; font-size: 12px; }
  .beetle-field-notes { padding: 48px 18px; }
  .beetle-note-ledger, .beetle-note-pair, .beetle-note-row { grid-template-columns: 1fr; }
  .beetle-note--feature { padding: 24px; }
  .beetle-note--feature p { font-size: 16px; }
  .beetle-questions { padding: 48px 18px; }
  .beetle-question-index h2 { font-size: 27px; }
  .beetle-answer-stack summary { min-height: 70px; grid-template-columns: 27px 1fr auto; gap: 8px; font-size: 14px; }
  .beetle-answer-stack details p { margin-left: 35px; font-size: 13px; }
  .beetle-final-call { padding: 48px 18px; grid-template-columns: 1fr; gap: 30px; }
  .beetle-final-copy h2 { font-size: 30px; }
  .beetle-qr-card { display: none; }
  .beetle-final-beetle { right: -25px; bottom: -30px; font-size: 160px; }
  .beetle-footer { padding: 32px 18px 80px; grid-template-columns: 1fr; }
  .beetle-footer p, .beetle-footer small { grid-column: 1; grid-row: auto; justify-self: start; }
  .beetle-backtop { right: 14px; bottom: 14px; }
}

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