:root {
  --bg: #f7fbff;
  --paper: #ffffff;
  --paper-soft: rgba(255, 255, 255, .78);
  --text: #0d2346;
  --text-soft: #42526d;
  --muted: #71809a;
  --blue: #1d7cff;
  --blue-deep: #0d63e7;
  --blue-soft: #eaf4ff;
  --line: rgba(40, 90, 150, .13);
  --shadow: 0 26px 70px rgba(49, 92, 150, .14);
  --shadow-soft: 0 18px 50px rgba(49, 92, 150, .10);
  --radius-xl: 34px;
  --radius-lg: 26px;
  --radius-md: 18px;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 8%, rgba(64, 150, 255, .16), transparent 28%),
    radial-gradient(circle at 88% 18%, rgba(134, 197, 255, .20), transparent 30%),
    linear-gradient(180deg, #fbfdff 0%, var(--bg) 42%, #ffffff 100%);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "PingFang SC", "Microsoft YaHei", sans-serif;
  text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
.wrapper,
.nav,
.footer-inner {
  width: min(var(--max), calc(100% - 48px));
  margin-inline: auto;
}

.nav-shell {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(56, 102, 160, .10);
  background: rgba(255, 255, 255, .74);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
}
.nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-size: 18px;
  font-weight: 760;
  letter-spacing: -.02em;
}
.brand img {
  width: 38px;
  height: 38px;
  object-fit: cover;
  border: 1px solid rgba(56, 102, 160, .12);
  border-radius: 13px;
  box-shadow: 0 10px 26px rgba(29, 124, 255, .12);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links a {
  padding: 10px 12px;
  border-radius: 999px;
  color: var(--text-soft);
  font-size: 14px;
  font-weight: 620;
  transition: color .2s ease, background-color .2s ease, transform .2s ease;
}
.nav-links a:hover {
  color: var(--blue-deep);
  background: rgba(29, 124, 255, .08);
  transform: translateY(-1px);
}
.nav-links a:last-child {
  color: var(--blue-deep);
  background: #ffffff;
  box-shadow: 0 10px 24px rgba(29, 124, 255, .10);
}

.hero {
  min-height: auto;
  padding: 72px 0 82px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, .9fr);
  gap: 64px;
  align-items: center;
}
.hero-copy { position: relative; z-index: 2; }
.eyebrow,
.section-label {
  margin: 0;
  color: var(--blue-deep);
  font-size: 13px;
  font-weight: 760;
  letter-spacing: .08em;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 13px;
  border: 1px solid rgba(29, 124, 255, .16);
  border-radius: 999px;
  background: rgba(234, 244, 255, .74);
}
.hero h1 {
  margin: 20px 0 22px;
  color: var(--text);
  font-size: clamp(54px, 7vw, 88px);
  font-weight: 820;
  line-height: .98;
  letter-spacing: -.055em;
}
.hero-lead {
  max-width: 610px;
  margin: 0 0 30px;
  color: var(--text-soft);
  font-size: 21px;
  line-height: 1.72;
  letter-spacing: -.01em;
}
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 22px;
}
.btn {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0 22px;
  font-size: 16px;
  font-weight: 720;
  transition: transform .22s ease, box-shadow .22s ease, background-color .22s ease, color .22s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: linear-gradient(135deg, var(--blue), #0b6fff);
  color: #ffffff;
  box-shadow: 0 16px 34px rgba(29, 124, 255, .28);
}
.btn-secondary {
  border-color: rgba(29, 124, 255, .18);
  background: rgba(255, 255, 255, .82);
  color: var(--blue-deep);
  box-shadow: 0 12px 28px rgba(49, 92, 150, .08);
}
.visual-stage,
.target-mini {
  position: relative;
  aspect-ratio: 941 / 1672;
  background: transparent;
  border: 0;
  overflow: visible;
}
.visual-stage {
  width: min(100%, 430px);
  justify-self: center;
  border-radius: 0;
  box-shadow: none;
}
.visual-stage::before,
.target-mini::before {
  content: "";
  position: absolute;
  z-index: 0;
  pointer-events: none;
}
.visual-stage::before {
  left: 6%;
  right: 6%;
  top: 8%;
  height: 58%;
  border-radius: 999px;
  background:
    radial-gradient(circle at 50% 40%, rgba(255,255,255,.86), rgba(235,246,255,.46) 54%, rgba(235,246,255,0) 74%);
  filter: blur(4px);
}
.target-mini::before {
  left: 4%;
  right: 4%;
  top: 8%;
  height: 56%;
  border-radius: 999px;
  background:
    radial-gradient(circle at 50% 40%, rgba(255,255,255,.78), rgba(235,246,255,.34) 58%, rgba(235,246,255,0) 78%);
}
.halo {
  position: absolute;
  z-index: 0;
  border-radius: 999px;
  filter: blur(16px);
  opacity: .52;
}
.halo-one {
  width: 48%;
  height: 27%;
  right: 8%;
  top: 5%;
  background: rgba(29, 124, 255, .08);
}
.halo-two {
  width: 42%;
  height: 24%;
  left: 6%;
  top: 42%;
  background: rgba(112, 183, 255, .10);
}
.scene-img,
.target-mini img {
  position: absolute;
  z-index: 2;
  user-select: none;
  pointer-events: none;
  filter: drop-shadow(0 14px 20px rgba(49, 92, 150, .10));
}
.hero-person {
  width: 53%;
  left: 50%;
  top: 17%;
  transform: translateX(-50%);
  animation: floatMain 7s ease-in-out infinite;
}
.hero-bag { width: 27%; right: 7%; top: 34%; }
.hero-keys { width: 24%; left: 8%; top: 48%; transform: rotate(-8deg); }
.hero-glasses { width: 34%; left: 20%; top: 58%; transform: rotate(-3deg); }
.hero-airpods { width: 17%; left: 51%; top: 56%; }
.hero-wallet { width: 23%; right: 8%; top: 58%; transform: rotate(5deg); }
.hero-pin-card { width: 23%; opacity: .46; }
.hero-pin-left { left: 10%; top: 22%; transform: rotate(-8deg); }
.hero-pin-right { right: 11%; top: 19%; transform: rotate(8deg); }

.section { padding: 86px 0; }
.soft-band {
  padding: 76px 0;
  background: linear-gradient(180deg, rgba(255,255,255,.2), rgba(234,244,255,.58) 46%, rgba(255,255,255,.76));
}
.section-head {
  max-width: 780px;
  margin-bottom: 34px;
}
.section-head.centered {
  margin-inline: auto;
  text-align: center;
}
.section h2,
.section-head h2,
.cta-box h2,
.privacy-panel h2 {
  margin: 12px 0 14px;
  color: var(--text);
  font-size: clamp(34px, 4.6vw, 58px);
  font-weight: 820;
  line-height: 1.08;
  letter-spacing: -.045em;
}
.section-head p:not(.section-label),
.privacy-copy p,
.cta-box p {
  margin: 0;
  color: var(--text-soft);
  font-size: 18px;
  line-height: 1.72;
}

.flow-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.flow-card {
  display: flex;
  min-height: 0;
  flex-direction: column;
  align-items: center;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .86);
  border-radius: 26px;
  background: rgba(255,255,255,.76);
  padding: 22px 22px 24px;
  box-shadow: var(--shadow-soft);
}
.flow-card span {
  align-self: flex-start;
  margin-top: 18px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 820;
}
.flow-card h3 {
  margin: 8px 0 8px;
  color: var(--text);
  font-size: 24px;
  line-height: 1.18;
  letter-spacing: -.03em;
}
.flow-card p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.65;
}
.target-mini {
  width: min(100%, 252px);
  aspect-ratio: 1.18 / 1;
  margin-bottom: 18px;
  border-radius: 0;
  box-shadow: none;
}
.mini-person-record { width: 49%; left: 50%; top: 3%; transform: translateX(-50%); }
.mini-pin-left { width: 18%; left: 5%; top: 9%; transform: rotate(-8deg); opacity: .34; }
.mini-pin-right { width: 18%; right: 5%; top: 8%; transform: rotate(8deg); opacity: .34; }
.mini-bag { width: 22%; right: -1%; top: 36%; }
.mini-keys { width: 22%; left: 1%; top: 64%; transform: rotate(-8deg); }
.mini-glasses { width: 30%; left: 27%; top: 75%; transform: rotate(-3deg); }
.mini-airpods { width: 16%; left: 58%; top: 73%; }
.mini-wallet { width: 22%; right: 0; top: 75%; transform: rotate(5deg); }

.mini-search-icon { width: 18%; left: 11%; top: 5%; transform: rotate(-8deg); opacity: .46; }
.mini-person-search { width: 47%; left: 57%; top: 12%; transform: translateX(-50%); }
.mini-search-pin-a { width: 10%; left: 15%; top: 51%; }
.mini-search-pin-b { width: 10%; left: 42%; top: 64%; }
.mini-search-pin-c { width: 10%; right: 9%; top: 63%; }
.mini-search-pin-d { width: 10%; right: 28%; top: 49%; }
.mini-search-bag { width: 25%; right: 4%; top: 42%; }
.mini-search-keys { width: 22%; left: 7%; top: 72%; transform: rotate(-8deg); }
.mini-search-wallet { width: 22%; right: 12%; top: 76%; transform: rotate(5deg); }
.mini-arc-left { width: 12%; left: 24%; top: 18%; opacity: .28; }
.mini-arc-right { width: 12%; right: 11%; top: 63%; opacity: .28; }

.mini-person-confirm { width: 52%; left: 55%; top: 3%; transform: translateX(-50%); }
.mini-confirm-check { width: 22%; right: 11%; top: 8%; }
.mini-confirm-pin { width: 18%; left: 8%; top: 38%; opacity: .36; }
.mini-confirm-lines { width: 12%; left: 21%; top: 5%; }
.mini-confirm-bag { width: 27%; right: 7%; top: 44%; }
.mini-confirm-glasses { width: 32%; left: 11%; top: 72%; transform: rotate(-4deg); }
.mini-confirm-airpods { width: 17%; left: 44%; top: 71%; }
.mini-confirm-wallet { width: 22%; right: 8%; top: 72%; transform: rotate(4deg); }

.feature-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.feature-row {
  display: grid;
  grid-template-columns: 82px 1fr;
  gap: 18px;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, .9);
  border-radius: 22px;
  background: rgba(255, 255, 255, .76);
  padding: 18px;
  box-shadow: var(--shadow-soft);
}
.feature-icon {
  width: 82px;
  height: 82px;
  display: grid;
  place-items: center;
  border-radius: 22px;
  background: linear-gradient(160deg, #ffffff, #edf7ff);
}
.feature-icon img {
  max-width: 66px;
  max-height: 66px;
  filter: drop-shadow(0 12px 16px rgba(49, 92, 150, .12));
}
.feature-row h3 {
  margin: 0 0 8px;
  color: var(--text);
  font-size: 23px;
  letter-spacing: -.025em;
}
.feature-row p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.privacy-panel {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 40px;
  align-items: center;
  border-radius: 36px;
  background:
    radial-gradient(circle at 88% 18%, rgba(29,124,255,.14), transparent 32%),
    rgba(255,255,255,.76);
  border: 1px solid rgba(255, 255, 255, .9);
  padding: 54px;
  box-shadow: var(--shadow-soft);
}
.privacy-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}
.privacy-points span {
  border: 1px solid rgba(29,124,255,.16);
  border-radius: 999px;
  background: #ffffff;
  padding: 10px 14px;
  color: var(--blue-deep);
  font-size: 14px;
  font-weight: 760;
}

.cta-box {
  overflow: hidden;
  position: relative;
  border-radius: 38px;
  background:
    radial-gradient(circle at 82% 20%, rgba(255,255,255,.38), transparent 28%),
    linear-gradient(135deg, #1279ff, #65b7ff);
  color: #ffffff;
  padding: 60px 34px;
  text-align: center;
  box-shadow: 0 24px 70px rgba(29, 124, 255, .28);
}
.cta-box h2 {
  margin-top: 0;
  color: #ffffff;
}
.cta-box p {
  max-width: 620px;
  margin: 0 auto 28px;
  color: rgba(255,255,255,.82);
}
.cta-box .cta-row { justify-content: center; }
.cta-box .btn-primary {
  color: var(--blue-deep);
  background: #ffffff;
  box-shadow: 0 14px 30px rgba(5, 43, 92, .16);
}
.cta-box .btn-secondary {
  color: #ffffff;
  border-color: rgba(255,255,255,.32);
  background: rgba(255,255,255,.12);
}

.doc-layout {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: 24px;
  padding: 42px 0 76px;
}
.side,
.doc,
.legal-meta-card {
  border: 1px solid rgba(255,255,255,.9) !important;
  border-radius: 24px !important;
  background: rgba(255,255,255,.78) !important;
  box-shadow: var(--shadow-soft) !important;
}
.side {
  position: sticky;
  top: 96px;
  align-self: start;
  padding: 12px;
}
.side a {
  display: block;
  border-radius: 14px;
  padding: 10px 12px;
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.45;
}
.side a:hover {
  background: var(--blue-soft);
  color: var(--blue-deep);
}
.doc {
  padding: 38px;
}
.doc h1,
.legal-hero h1 {
  color: var(--text);
  letter-spacing: -.045em !important;
}
.doc h2 {
  color: var(--text);
  letter-spacing: -.025em;
}
.doc p,
.doc li,
.legal-hero .lead {
  color: var(--text-soft) !important;
}
.legal-warning {
  border-color: rgba(29,124,255,.18) !important;
  border-radius: 18px !important;
  background: rgba(234,244,255,.76) !important;
}
.clause-no,
.legal-doc h3 span,
.inline-link { color: var(--blue-deep) !important; }
.legal-footer-sign,
.legal-doc code {
  border-radius: 14px !important;
  background: rgba(234,244,255,.72) !important;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.card {
  border: 1px solid rgba(255,255,255,.9);
  border-radius: 26px;
  background: rgba(255,255,255,.76);
  padding: 24px;
  box-shadow: var(--shadow-soft);
}
.card h4 {
  margin: 0 0 10px;
  color: var(--text);
  font-size: 22px;
}
.card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}
.icon-chip {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 16px;
  background: var(--blue-soft);
  color: var(--blue-deep);
  font-weight: 800;
}

.footer {
  margin-top: 32px;
  border-top: 1px solid rgba(56, 102, 160, .10);
  padding: 30px 0 50px;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
  color: var(--muted);
  font-size: 14px;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}
.footer a:hover { color: var(--blue-deep); }

@keyframes floatMain {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(-12px); }
}
@keyframes floatSoft {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}

@media (max-width: 1080px) {
  .hero,
  .privacy-panel,
  .doc-layout {
    grid-template-columns: 1fr;
  }
  .hero { min-height: auto; }
  .visual-stage {
    width: min(100%, 390px);
    margin-inline: auto;
  }
  .flow-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .side { position: static; }
}
@media (max-width: 780px) {
  .wrapper,
  .nav,
  .footer-inner { width: min(var(--max), calc(100% - 32px)); }
  .nav {
    min-height: auto;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    padding: 14px 0 10px;
  }
  .nav-links {
    width: 100%;
    display: flex;
    justify-content: flex-start;
    gap: 8px;
    overflow-x: auto;
    padding: 0 0 4px;
    scrollbar-width: none;
  }
  .nav-links::-webkit-scrollbar { display: none; }
  .nav-links a {
    flex: 0 0 auto;
    border: 1px solid rgba(29, 124, 255, .12);
    background: rgba(255, 255, 255, .72);
    padding: 9px 12px;
    font-size: 13px;
  }
  .hero {
    padding: 46px 0 54px;
    gap: 34px;
  }
  .hero h1 { font-size: clamp(44px, 13vw, 62px); }
  .hero-lead,
  .section-head p:not(.section-label),
  .privacy-copy p,
  .cta-box p { font-size: 17px; }
  .visual-stage {
    width: min(100%, 320px);
    aspect-ratio: 1 / 1.02;
  }
  .flow-grid,
  .feature-list,
  .grid-3 { grid-template-columns: 1fr; }
  .flow-card {
    display: grid;
    grid-template-columns: 154px 1fr;
    gap: 18px;
    align-items: center;
    padding: 20px;
  }
  .target-mini {
    width: 154px;
    margin-bottom: 0;
  }
  .flow-card span,
  .flow-card h3,
  .flow-card p {
    align-self: auto;
    grid-column: 2;
  }
  .flow-card span { margin-top: 0; }
  .flow-card h3 { font-size: 23px; }
  .flow-card p { font-size: 16px; line-height: 1.62; }
  .feature-row { grid-template-columns: 76px 1fr; }
  .feature-icon {
    width: 76px;
    height: 76px;
  }
  .feature-icon img {
    max-width: 62px;
    max-height: 62px;
  }
  .cta-box { padding: 32px 22px; }
  .privacy-panel {
    padding: 44px 32px;
    border-radius: 32px;
  }
  .privacy-panel h2 {
    font-size: clamp(38px, 10vw, 50px);
    line-height: 1.1;
  }
  .privacy-copy p { line-height: 1.78; }
  .footer-inner {
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 18px;
    text-align: center;
  }
  .footer-links {
    width: 100%;
    justify-content: center;
    gap: 24px;
  }
  .doc,
  .doc.legal-doc { padding: 24px !important; }
}
@media (max-width: 520px) {
  .wrapper,
  .nav,
  .footer-inner { width: min(var(--max), calc(100% - 24px)); }
  .brand { margin-inline: auto; }
  .btn { width: 100%; }
  .section,
  .soft-band { padding: 58px 0; }
  .visual-stage {
    width: min(100%, 320px);
    aspect-ratio: 1 / .96;
  }
  .flow-card {
    grid-template-columns: 126px minmax(0, 1fr);
    min-height: auto;
    gap: 12px;
    padding: 14px;
  }
  .flow-card > span,
  .flow-card > h3,
  .flow-card > p {
    grid-column: 2;
  }
  .flow-card h3 { font-size: 21px; }
  .flow-card p { font-size: 15.5px; line-height: 1.56; }
  .target-mini {
    grid-column: 1;
    grid-row: 1 / span 3;
    width: 126px;
    margin-inline: 0;
  }
  .feature-row {
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 16px;
    padding: 18px;
    text-align: left;
  }
  .feature-icon {
    width: 72px;
    height: 72px;
  }
  .feature-icon img {
    max-width: 58px;
    max-height: 58px;
  }
  .feature-row h3 { font-size: 24px; }
  .feature-row p { font-size: 16.5px; line-height: 1.62; }
  .privacy-panel {
    padding: 42px 30px;
    border-radius: 30px;
  }
  .privacy-panel h2 { font-size: clamp(38px, 11vw, 48px); }
  .privacy-points { gap: 12px; }
  .privacy-points span { padding: 10px 15px; }
}