:root {
  --bg: #fff;
  --ink: #111;
  --muted: #6e6e73;
  --line: rgba(17, 17, 17, .08);
  --card: #f5f5f7;
  --card-2: #fafafa;
  --cyan: #10d8d7;
  --mint: #2ee7c5;
  --blue: #58a8ff;
  --violet: #9f80ff;
  --shadow: 0 20px 60px rgba(0, 0, 0, .08);
  --shadow-soft: 0 12px 36px rgba(0, 0, 0, .06);
  --radius: 34px;
  --max: 1180px;
  --nav-h: 64px;
}

* {
  box-sizing: border-box
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none
}

button {
  font: inherit
}

img {
  max-width: 100%;
  display: block
}

svg {
  display: block
}

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  background: rgba(255, 255, 255, .80);
  border-bottom: 1px solid rgba(0, 0, 0, .05);
}

.nav-inner {
  max-width: var(--max);
  height: var(--nav-h);
  margin: auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: -.03em;
  flex: 0 0 auto
}

.brand img {
  width: 28px;
  height: 28px;
  border-radius: 50%
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  color: #3d3d42;
  font-size: 14px
}

.nav-links a {
  position: relative;
  padding: 22px 0;
  white-space: nowrap
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 12px;
  height: 2px;
  border-radius: 2px;
  background: #111;
  transform: scaleX(0);
  transition: .2s ease
}

.nav-links a.active {
  color: #111;
  font-weight: 600
}

.nav-links a.active::after {
  transform: scaleX(1)
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  letter-spacing: -.01em;
  cursor: pointer;
  white-space: nowrap;
  transition: .22s ease;
  background: none;
  color: inherit
}

.btn-dark {
  background: #111;
  color: #fff
}

.btn-dark:hover {
  background: #252525;
  transform: translateY(-1px)
}

.btn-light {
  background: #fff;
  border-color: rgba(0, 0, 0, .12)
}

.btn-light:hover {
  background: #f7f7f7;
  transform: translateY(-1px)
}

.mobile-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(0, 0, 0, .1);
  border-radius: 50%;
  background: #fff;
  align-items: center;
  justify-content: center;
  cursor: pointer
}

.mobile-toggle svg {
  width: 20px;
  height: 20px
}

.mobile-nav {
  display: none;
  border-top: 1px solid var(--line);
  padding: 10px 18px 18px;
  background: rgba(255, 255, 255, .96)
}

.mobile-nav.open {
  display: grid
}

.mobile-nav a {
  padding: 13px 8px;
  border-bottom: 1px solid rgba(0, 0, 0, .05);
  font-size: 15px
}

.mobile-nav .mobile-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  padding-top: 14px
}

.download-menu {
  position: relative;
  display: inline-block
}

.download-menu-panel {
  position: absolute;
  z-index: 80;
  top: calc(100% + 10px);
  right: 0;
  width: 248px;
  padding: 8px;
  border: 1px solid rgba(0, 0, 0, .08);
  border-radius: 18px;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  box-shadow: 0 18px 48px rgba(0, 0, 0, .14);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px) scale(.98);
  transform-origin: top right;
  transition: .18s ease
}

.download-menu.open .download-menu-panel {
  opacity: 1;
  visibility: visible;
  transform: none
}

.download-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 13px;
  border-radius: 13px;
  transition: .18s ease
}

.download-item:hover,
.download-item:focus-visible {
  background: #f5f5f7;
  outline: none
}

.download-icon {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: #f5f5f7;
  display: grid;
  place-items: center;
  flex: 0 0 auto
}

.download-icon svg {
  width: 19px;
  height: 19px
}

.download-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
  line-height: 1.2
}

.download-copy strong {
  font-size: 14px
}

.download-copy span {
  font-size: 11px;
  color: #8e8e93
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 100px 24px 82px
}

.hero::before {
  content: "";
  position: absolute;
  width: 760px;
  height: 760px;
  border-radius: 50%;
  right: -250px;
  top: -300px;
  background: radial-gradient(circle at 35% 35%, rgba(46, 231, 197, .26), transparent 28%), radial-gradient(circle at 61% 52%, rgba(88, 168, 255, .20), transparent 34%), radial-gradient(circle at 52% 76%, rgba(159, 128, 255, .15), transparent 35%);
  filter: blur(14px);
  pointer-events: none
}

.hero-inner {
  position: relative;
  max-width: var(--max);
  margin: auto;
  display: grid;
  grid-template-columns: 1.04fr .96fr;
  gap: 64px;
  align-items: center
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 12px;
  border-radius: 999px;
  background: #f5f5f7;
  color: #56565b;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 25px
}

.eyebrow-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan), var(--mint));
  box-shadow: 0 0 18px rgba(16, 216, 215, .55)
}

h1 {
  margin: 0;
  font-size: clamp(48px, 6vw, 78px);
  line-height: 1.02;
  letter-spacing: -.06em;
  font-weight: 760
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 30px
}

.compat {
  margin-top: 15px;
  color: #9a9aa0;
  font-size: 13px
}

.hero-map {
  position: relative;
  min-height: 440px;
  border-radius: 38px;
  background: linear-gradient(145deg, #fbfcfd, #f3f6f8 56%, #eff8f6);
  border: 1px solid rgba(0, 0, 0, .04);
  box-shadow: var(--shadow-soft);
  padding: 38px;
  display: flex;
  flex-direction: column;
  justify-content: center
}

.hero-map-label {
  font-size: 13px;
  color: #77777d;
  text-align: center;
  margin-bottom: 26px
}

.hero-map-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 18px;
  align-items: center
}

.hero-stage {
  border-radius: 26px;
  background: rgba(255, 255, 255, .82);
  border: 1px solid rgba(0, 0, 0, .06);
  padding: 24px;
  min-height: 188px;
  display: flex;
  flex-direction: column;
  justify-content: space-between
}

.hero-stage-num {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: #111;
  color: #fff;
  font-size: 13px;
  font-weight: 700
}

.hero-stage:nth-child(3) .hero-stage-num {
  background: linear-gradient(135deg, #5daeff, #8a7dff)
}

.hero-stage h2 {
  font-size: 22px;
  letter-spacing: -.035em;
  margin: 22px 0 8px
}

.hero-stage p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55
}

.hero-arrow {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #fff;
  border: 1px solid rgba(0, 0, 0, .07);
  display: grid;
  place-items: center;
  color: #8e8e93
}

.hero-arrow svg {
  width: 18px;
  height: 18px
}

.hero-result {
  margin-top: 22px;
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, .72);
  display: flex;
  align-items: center;
  gap: 10px;
  color: #4e4e53;
  font-size: 13px
}

.result-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 13px rgba(46, 231, 197, .6)
}

.page-tabs {
  position: sticky;
  top: 64px;
  z-index: 35;
  background: rgba(255, 255, 255, .88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-top: 1px solid rgba(0, 0, 0, .04);
  border-bottom: 1px solid rgba(0, 0, 0, .05)
}

.page-tabs-inner {
  max-width: var(--max);
  margin: auto;
  padding: 0 24px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none
}

.page-tabs-inner::-webkit-scrollbar {
  display: none
}

.page-tab {
  padding: 15px 16px;
  color: #737378;
  font-size: 14px;
  white-space: nowrap;
  border-bottom: 2px solid transparent
}

.page-tab.active {
  color: #111;
  border-bottom-color: #111;
  font-weight: 600
}

main section {
  scroll-margin-top: 112px
}

.section {
  padding: 110px 24px
}

.wrap {
  max-width: var(--max);
  margin: auto
}

.section-head {
  max-width: 820px;
  margin-bottom: 52px
}

.stage-kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #626268;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 15px
}

.stage-number {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: #111;
  color: #fff;
  font-size: 13px
}

.section-title {
  margin: 0;
  font-size: clamp(38px, 5vw, 62px);
  line-height: 1.06;
  letter-spacing: -.052em;
  font-weight: 760
}

.success-strip {
  margin-top: 26px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 16px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(46, 231, 197, .10), rgba(88, 168, 255, .10));
  color: #3d5b56;
  font-size: 14px;
  font-weight: 600
}

.success-strip svg {
  width: 18px;
  height: 18px
}

.stage-one {
  background: linear-gradient(180deg, #fff, #fbfcfd 60%, #fff)
}

.stage-two {
  background: #f7f7f9
}

.steps-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 430px;
  gap: 48px;
  align-items: start
}

.steps {
  display: grid;
  gap: 12px
}

.step {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 16px;
  padding: 20px 22px;
  border-radius: 22px;
  background: #fff;
  border: 1px solid rgba(0, 0, 0, .06)
}

.stage-one .step {
  background: #f7f7f8
}

.step-num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #111;
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 13px;
  font-weight: 700
}

.step h3 {
  margin: 2px 0 5px;
  font-size: 17px;
  letter-spacing: -.025em
}

.step p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55
}

.setup-step {
  position: relative;
  width: 100%;
  padding-right: 54px;
  text-align: left;
  color: inherit;
  font: inherit;
  cursor: pointer;
  transition: border-color .2s ease, background .2s ease, box-shadow .2s ease, transform .2s ease
}

.setup-step::after {
  content: "›";
  position: absolute;
  right: 24px;
  top: 50%;
  color: #111;
  font-size: 27px;
  font-weight: 300;
  line-height: 1;
  opacity: 0;
  transform: translate(-5px, -50%);
  transition: opacity .2s ease, transform .2s ease
}

.setup-step:hover {
  transform: translateY(-1px);
  border-color: rgba(0, 0, 0, .13)
}

.setup-step[aria-selected="true"] {
  background: #fff;
  border-color: rgba(17, 17, 17, .48);
  box-shadow: 0 9px 24px rgba(17, 17, 17, .07)
}

.setup-step[aria-selected="true"]::after {
  opacity: 1;
  transform: translate(0, -50%)
}

.setup-step:focus-visible {
  outline: 2px solid #111;
  outline-offset: 3px
}

.setup-step-text {
  display: block
}

.setup-step-title {
  display: block;
  margin: 2px 0 5px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -.025em
}

.setup-step-copy {
  display: block;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55
}

.preview-card {
  position: sticky;
  top: 140px;
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow: visible
}

.setup-preview-frame {
  position: relative;
  width: min(100%, 340px);
  aspect-ratio: 9/18.5;
  margin: auto;
  padding: 12px;
  border-radius: 48px;
  background: #171719;
  box-shadow: 0 24px 50px rgba(0, 0, 0, .19), inset 0 0 0 1px rgba(255, 255, 255, .10);
  display: grid;
  place-items: stretch;
  overflow: hidden
}

.setup-preview-frame::before {
  content: "";
  position: absolute;
  z-index: 2;
  top: 4px;
  left: 50%;
  width: 48px;
  height: 5px;
  border-radius: 999px;
  background: #303034;
  transform: translateX(-50%)
}

.setup-preview-frame::after {
  content: "";
  position: absolute;
  z-index: 2;
  top: 3px;
  right: 76px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #29292d;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .08)
}

.setup-preview-image {
  grid-area: 1/1;
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 37px;
  background: #fff;
  object-fit: contain;
  overflow: hidden
}

.setup-preview-error {
  grid-area: 1/1;
  display: grid;
  place-items: center;
  margin: 0;
  border-radius: 37px;
  background: #fff;
  padding: 32px;
  color: #77777d;
  font-size: 14px;
  text-align: center
}

.setup-preview-error[hidden] {
  display: none
}

.setup-preview-hint {
  display: none;
  margin-top: 18px;
  color: #6e6e73;
  font-size: 14px;
  text-align: center
}

.preview-card[data-preview="qr"] .setup-preview-frame {
  width: min(100%, 340px);
  aspect-ratio: 1;
  padding: 28px;
  border: 1px solid rgba(0, 0, 0, .07);
  border-radius: 28px;
  background: #fff;
  box-shadow: 0 14px 38px rgba(17, 17, 17, .08)
}

.preview-card[data-preview="qr"] .setup-preview-frame::before,
.preview-card[data-preview="qr"] .setup-preview-frame::after {
  display: none
}

.preview-card[data-preview="qr"] .setup-preview-image,
.preview-card[data-preview="qr"] .setup-preview-error {
  border-radius: 16px
}

.preview-card[data-preview="qr"] .setup-preview-hint {
  display: block
}

.daily-box {
  margin-top: 46px;
  border-radius: 30px;
  background: #f5f5f7;
  padding: 30px
}

.daily-box h3 {
  font-size: 24px;
  letter-spacing: -.035em;
  margin: 0 0 20px
}

.daily-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px
}

.daily-item {
  background: #fff;
  border-radius: 19px;
  padding: 18px
}

.daily-item strong {
  display: block;
  font-size: 14px;
  margin-bottom: 6px
}

.daily-item p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55
}

.driver-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 46px
}

.driver-card {
  border-radius: 30px;
  background: #fff;
  padding: 30px;
  border: 1px solid rgba(0, 0, 0, .06);
  min-height: 210px
}

.driver-card h3 {
  font-size: 24px;
  letter-spacing: -.035em;
  margin: 16px 0 8px
}

.driver-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6
}

.driver-card .icon-box {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: #f5f5f7;
  display: grid;
  place-items: center
}

.driver-card .icon-box svg {
  width: 24px;
  height: 24px
}

.tabs-shell {
  border-radius: 32px;
  background: #fff;
  border: 1px solid rgba(0, 0, 0, .06);
  overflow: hidden
}

.tab-list {
  display: flex;
  gap: 6px;
  padding: 10px;
  border-bottom: 1px solid var(--line);
  background: #fafafa
}

.tab-btn {
  border: 0;
  background: transparent;
  padding: 11px 18px;
  border-radius: 999px;
  color: #707076;
  cursor: pointer;
  font-weight: 600
}

.tab-btn[aria-selected="true"] {
  background: #111;
  color: #fff
}

.tab-btn:focus-visible {
  outline: 2px solid #111;
  outline-offset: 2px
}

.tab-panel {
  padding: 30px
}

.tab-panel[hidden] {
  display: none
}

.download-inline {
  margin-bottom: 20px
}

.notice {
  margin-top: 18px;
  border-radius: 18px;
  padding: 17px 18px;
  background: #f5f5f7;
  font-size: 13px;
  color: #5d5d63;
  line-height: 1.6
}

.notice strong {
  display: block;
  color: #232326;
  margin-bottom: 4px
}

.binding-block {
  margin-top: 58px;
  padding-top: 54px;
  border-top: 1px solid rgba(0, 0, 0, .08)
}

.sub-title {
  font-size: 32px;
  letter-spacing: -.045em;
  margin: 0 0 12px
}

.sub-copy {
  margin: 0 0 28px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.65;
  max-width: 720px
}

.binding-flow {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  gap: 10px;
  align-items: center;
  margin: 30px 0 34px
}

.binding-node {
  min-height: 112px;
  border-radius: 22px;
  background: #fff;
  border: 1px solid rgba(0, 0, 0, .06);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 10px;
  padding: 16px;
  font-size: 13px;
  font-weight: 600
}

.binding-node svg {
  width: 25px;
  height: 25px
}

.binding-arrow {
  color: #9a9aa0
}

.binding-arrow svg {
  width: 18px;
  height: 18px
}

.notes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 28px
}

.note {
  border-radius: 20px;
  background: #fff;
  padding: 18px;
  border: 1px solid rgba(0, 0, 0, .06);
  font-size: 13px;
  line-height: 1.55;
  color: #616167
}

.note strong {
  display: block;
  color: #232326;
  margin-bottom: 5px
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  margin-top: 34px
}

.feature-card {
  border-radius: 22px;
  background: #fff;
  border: 1px solid rgba(0, 0, 0, .06);
  padding: 20px;
  min-height: 178px
}

.feature-icon {
  width: 40px;
  height: 40px;
  border-radius: 13px;
  background: linear-gradient(135deg, rgba(46, 231, 197, .12), rgba(159, 128, 255, .12));
  display: grid;
  place-items: center
}

.feature-icon svg {
  width: 21px;
  height: 21px
}

.feature-card h3 {
  font-size: 16px;
  margin: 25px 0 7px
}

.feature-card p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55
}

.faq-section {
  padding: 110px 24px
}

.faq-wrap {
  max-width: 900px;
  margin: auto
}

.faq-title {
  text-align: center;
  font-size: clamp(38px, 5vw, 58px);
  letter-spacing: -.05em;
  margin: 0
}

.faq-copy {
  text-align: center;
  color: var(--muted);
  margin: 16px auto 38px;
  max-width: 650px;
  line-height: 1.65
}

.faq-list {
  border-top: 1px solid var(--line)
}

.faq-item {
  border-bottom: 1px solid var(--line)
}

.faq-question {
  width: 100%;
  border: 0;
  background: none;
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  text-align: left;
  color: #1d1d1f;
  cursor: pointer;
  font-weight: 600;
  font-size: 16px
}

.faq-question:focus-visible {
  outline: 2px solid #111;
  outline-offset: 4px
}

.faq-plus {
  font-size: 25px;
  font-weight: 300;
  transition: .2s ease
}

.faq-question[aria-expanded="true"] .faq-plus {
  transform: rotate(45deg)
}

.faq-answer {
  padding: 0 42px 22px 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75
}

.faq-answer ul {
  margin: 0;
  padding-left: 20px
}

.support {
  padding: 0 24px 110px
}

.support-card {
  max-width: var(--max);
  margin: auto;
  border-radius: 38px;
  background: linear-gradient(145deg, #f6f7fb, #eef4f8 55%, #eaf8f5);
  padding: 62px;
  text-align: center;
  border: 1px solid rgba(0, 0, 0, .04)
}

.support-card h2 {
  font-size: 42px;
  letter-spacing: -.05em;
  margin: 0
}

.support-card p {
  max-width: 660px;
  margin: 16px auto 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.7
}

.support-note {
  display: inline-flex;
  margin-top: 24px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .75);
  color: #7a7a80;
  font-size: 13px
}

footer {
  padding: 38px 24px 46px;
  border-top: 1px solid rgba(0, 0, 0, .06)
}

.footer-inner {
  max-width: var(--max);
  margin: auto;
  display: flex;
  justify-content: space-between;
  gap: 30px;
  align-items: center;
  color: #8e8e93;
  font-size: 13px
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 9px;
  color: #111;
  font-weight: 700
}

.footer-brand img {
  width: 24px;
  height: 24px;
  border-radius: 50%
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .7s ease, transform .7s ease
}

.reveal.in {
  opacity: 1;
  transform: none
}

@media(max-width:1000px) {
  .nav-links {
    display: none
  }

  .mobile-toggle {
    display: flex
  }

  .nav-actions>.btn-light {
    display: none
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 42px
  }

  .hero-map {
    min-height: 370px
  }

  .steps-layout {
    grid-template-columns: 1fr
  }

  .preview-card {
    position: relative;
    top: auto;
    max-width: 560px;
    width: 100%;
    margin: auto
  }

  .daily-grid {
    grid-template-columns: repeat(2, 1fr)
  }

  .feature-grid {
    grid-template-columns: repeat(2, 1fr)
  }

  .binding-flow {
    grid-template-columns: 1fr
  }

  .binding-arrow {
    transform: rotate(90deg);
    margin: auto
  }

  .notes {
    grid-template-columns: 1fr
  }

  .driver-intro {
    grid-template-columns: 1fr 1fr
  }
}

@media(max-width:680px) {
  :root {
    --nav-h: 60px
  }

  .nav-inner {
    height: 60px;
    padding: 0 16px;
    gap: 10px
  }

  .brand span {
    font-size: 15px
  }

  .nav-actions {
    gap: 6px
  }

  .nav-actions .download-menu {
    display: none
  }

  .mobile-toggle {
    display: flex
  }

  .page-tabs {
    top: 60px
  }

  .page-tabs-inner {
    padding: 0 12px
  }

  .page-tab {
    padding: 13px 12px;
    font-size: 13px
  }

  .hero {
    padding: 62px 18px 54px
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr 1fr
  }

  .hero-actions .btn {
    width: 100%
  }

  .hero-map {
    padding: 22px;
    border-radius: 28px;
    min-height: auto
  }

  .hero-map-row {
    grid-template-columns: 1fr;
    gap: 12px
  }

  .hero-arrow {
    transform: rotate(90deg);
    margin: auto
  }

  .hero-stage {
    min-height: 150px
  }

  .hero-result {
    align-items: flex-start
  }

  .section,
  .faq-section {
    padding: 80px 18px
  }

  .section-head {
    margin-bottom: 34px
  }

  .section-title {
    font-size: 40px
  }

  .steps-layout {
    gap: 30px
  }

  .step {
    padding: 17px;
    border-radius: 19px;
    grid-template-columns: 38px 1fr
  }

  .step-num {
    width: 32px;
    height: 32px
  }

  .setup-step {
    padding-right: 46px
  }

  .setup-step::after {
    right: 20px
  }

  .setup-preview-frame {
    width: min(100%, 300px);
    border-radius: 42px
  }

  .setup-preview-image,
  .setup-preview-error {
    border-radius: 32px
  }

  .daily-box {
    padding: 22px;
    border-radius: 24px
  }

  .daily-grid {
    grid-template-columns: 1fr
  }

  .driver-intro {
    grid-template-columns: 1fr
  }

  .driver-card {
    padding: 23px;
    border-radius: 25px
  }

  .tab-panel {
    padding: 20px
  }

  .tab-list {
    overflow-x: auto
  }

  .tab-btn {
    white-space: nowrap
  }

  .binding-flow {
    grid-template-columns: 1fr
  }

  .binding-arrow {
    transform: rotate(90deg);
    margin: auto
  }

  .feature-grid {
    grid-template-columns: 1fr
  }

  .faq-question {
    font-size: 15px
  }

  .support {
    padding: 0 18px 80px
  }

  .support-card {
    padding: 40px 22px;
    border-radius: 30px
  }

  .support-card h2 {
    font-size: 36px
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start
  }
}

@media(prefers-reduced-motion:reduce) {
  * {
    scroll-behavior: auto !important;
    animation: none !important;
    transition: none !important
  }

  .reveal {
    opacity: 1 !important;
    transform: none !important
  }
}
