:root {
  color-scheme: light;
  --ink: #172033;
  --muted: #667085;
  --line: #e5e7eb;
  --paper: #ffffff;
  --soft: #f7f8fb;
  --primary: #ff6b6b;
  --primary-dark: #d94343;
  --teal: #0f9f8f;
  --blue: #3366cc;
  --green: #2f9e44;
  --yellow: #f3b61f;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--soft);
  color: var(--ink);
  line-height: 1.6;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(229, 231, 235, .9);
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(14px);
}

.nav {
  max-width: 1120px;
  min-height: 68px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 18px;
}

.brand img {
  width: 36px;
  height: 36px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 14px;
}

.nav-links a:hover {
  color: var(--ink);
}

.hero {
  background: linear-gradient(180deg, #fff 0%, #f7f8fb 100%);
  border-bottom: 1px solid var(--line);
}

.hero-inner {
  max-width: 1120px;
  min-height: calc(100vh - 68px);
  margin: 0 auto;
  padding: 72px 24px 56px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 420px);
  gap: 64px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--primary-dark);
  font-size: 14px;
  font-weight: 700;
}

h1 {
  margin: 0;
  font-size: clamp(42px, 6vw, 72px);
  line-height: 1.05;
  letter-spacing: 0;
}

.hero-copy {
  margin: 22px 0 0;
  max-width: 620px;
  color: #475467;
  font-size: 18px;
}

.actions {
  margin-top: 32px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.button {
  min-height: 46px;
  padding: 0 20px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  font-weight: 700;
  font-size: 15px;
}

.button.primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 12px 24px rgba(255, 107, 107, .24);
}

.button.secondary {
  background: #fff;
  border-color: var(--line);
  color: var(--ink);
}

.hero-note {
  margin-top: 18px;
  color: var(--muted);
  font-size: 13px;
}

.phone-shell {
  width: min(100%, 390px);
  margin-left: auto;
  padding: 12px;
  border-radius: 34px;
  background: #202635;
  box-shadow: 0 26px 80px rgba(23, 32, 51, .24);
}

.phone-screen {
  overflow: hidden;
  border-radius: 25px;
  background: #f9fafb;
  min-height: 680px;
}

.app-top {
  padding: 34px 22px 22px;
  background: linear-gradient(135deg, #ff6b6b 0%, #ff9292 100%);
  color: #fff;
}

.app-top small {
  opacity: .82;
}

.app-top strong {
  display: block;
  margin-top: 4px;
  font-size: 23px;
}

.mini-tabs {
  padding: 16px 18px 6px;
  display: flex;
  gap: 8px;
}

.mini-tabs span {
  padding: 5px 12px;
  border-radius: 999px;
  background: #fff;
  color: #667085;
  font-size: 12px;
}

.mini-tabs span:first-child {
  background: var(--primary);
  color: #fff;
}

.trip-preview {
  margin: 12px 18px;
  padding: 16px;
  background: #fff;
  border-radius: 12px;
  border: 1px solid #eef0f4;
}

.trip-preview h2 {
  margin: 0 0 8px;
  font-size: 17px;
}

.tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.tags span {
  padding: 3px 8px;
  border-radius: 999px;
  background: #f1f4f8;
  color: #667085;
  font-size: 11px;
}

.map-preview {
  margin-top: 14px;
  height: 138px;
  border-radius: 10px;
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(51, 102, 204, .18) 1px, transparent 1px),
    linear-gradient(rgba(15, 159, 143, .14) 1px, transparent 1px),
    #eaf3f1;
  background-size: 36px 36px;
}

.route-line {
  position: absolute;
  left: 54px;
  right: 44px;
  top: 74px;
  border-top: 3px solid var(--teal);
  transform: rotate(-15deg);
}

.pin {
  position: absolute;
  width: 18px;
  height: 18px;
  border-radius: 50% 50% 50% 0;
  background: var(--primary);
  transform: rotate(-45deg);
  box-shadow: 0 4px 10px rgba(23, 32, 51, .22);
}

.pin::after {
  content: "";
  position: absolute;
  inset: 5px;
  border-radius: 50%;
  background: #fff;
}

.pin.one { left: 54px; top: 70px; }
.pin.two { left: 160px; top: 43px; background: var(--blue); }
.pin.three { right: 52px; top: 88px; background: var(--teal); }

.timeline {
  margin: 14px 18px 18px;
  background: #fff;
  border: 1px solid #eef0f4;
  border-radius: 12px;
  padding: 16px;
}

.timeline-row {
  display: grid;
  grid-template-columns: 52px 10px 1fr;
  gap: 10px;
  align-items: start;
  font-size: 13px;
  color: #475467;
}

.timeline-row + .timeline-row {
  margin-top: 14px;
}

.dot {
  width: 10px;
  height: 10px;
  margin-top: 7px;
  border-radius: 50%;
  background: var(--primary);
}

.timeline-row:nth-child(2) .dot { background: var(--blue); }
.timeline-row:nth-child(3) .dot { background: var(--green); }

.timeline b {
  display: block;
  color: var(--ink);
  font-size: 14px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 18px;
}

.stat {
  padding: 12px 8px;
  border-radius: 10px;
  background: #fff;
  border: 1px solid #eef0f4;
  text-align: center;
}

.stat b {
  display: block;
  color: var(--ink);
  font-size: 15px;
}

.stat span {
  color: var(--muted);
  font-size: 11px;
}

.section {
  max-width: 1120px;
  margin: 0 auto;
  padding: 78px 24px;
}

.section-title {
  max-width: 680px;
}

.section-title h2 {
  margin: 0;
  font-size: 34px;
  line-height: 1.2;
}

.section-title p {
  margin: 12px 0 0;
  color: var(--muted);
}

.feature-grid {
  margin-top: 34px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.feature {
  min-height: 180px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.feature-mark {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  margin-bottom: 16px;
}

.feature:nth-child(1) .feature-mark { background: var(--primary); }
.feature:nth-child(2) .feature-mark { background: var(--teal); }
.feature:nth-child(3) .feature-mark { background: var(--blue); }
.feature:nth-child(4) .feature-mark { background: var(--green); }
.feature:nth-child(5) .feature-mark { background: var(--yellow); }
.feature:nth-child(6) .feature-mark { background: #7c3aed; }

.feature h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.feature p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.privacy-band {
  background: #172033;
  color: #fff;
}

.privacy-band .section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  gap: 48px;
  align-items: center;
}

.privacy-band p {
  color: rgba(255, 255, 255, .76);
}

.check-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .16);
}

.status-table {
  width: 100%;
  margin-top: 28px;
  border-collapse: collapse;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.status-table th,
.status-table td {
  padding: 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  font-size: 14px;
}

.status-table th {
  color: var(--muted);
  background: #fafafa;
}

.scenario-grid {
  margin-top: 34px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.scenario {
  min-height: 170px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.scenario h3 {
  margin: 0 0 10px;
  font-size: 19px;
}

.scenario p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.cta {
  max-width: 1120px;
  margin: 0 auto;
  padding: 70px 24px 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.cta h2 {
  margin: 0;
  font-size: 32px;
}

.cta p {
  margin: 10px 0 0;
  color: var(--muted);
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #fff;
}

.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 28px 24px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: var(--muted);
  font-size: 13px;
}

.footer-links {
  display: flex;
  gap: 18px;
}

.page {
  max-width: 860px;
  margin: 0 auto;
  padding: 64px 24px 84px;
}

.page h1 {
  font-size: 42px;
}

.page h2 {
  margin-top: 38px;
  font-size: 22px;
}

.page p,
.page li {
  color: #475467;
}

.page a {
  color: var(--primary-dark);
  font-weight: 700;
}

@media (max-width: 900px) {
  .nav {
    padding: 0 18px;
  }

  .nav-links {
    gap: 14px;
  }

  .hero-inner,
  .privacy-band .section {
    grid-template-columns: 1fr;
  }

  .hero-inner {
    padding-top: 48px;
    gap: 44px;
  }

  .phone-shell {
    margin: 0 auto;
  }

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

  .scenario-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 640px) {
  .nav {
    min-height: 62px;
  }

  .nav-links a:nth-child(1),
  .nav-links a:nth-child(2) {
    display: none;
  }

  .hero-inner {
    min-height: auto;
    padding: 42px 18px 40px;
  }

  .section,
  .cta,
  .page {
    padding-left: 18px;
    padding-right: 18px;
  }

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

  .phone-screen {
    min-height: 610px;
  }

  .status-table {
    display: block;
    overflow-x: auto;
  }
}