:root {
  --ink: #10213b;
  --muted: #617089;
  --line: rgba(16, 33, 59, .12);
  --blue: #0869e8;
  --blue-deep: #034fbd;
  --mint: #6fe2b5;
  --paper: #f6f9ff;
  --white: #fff;
  --shadow: 0 28px 80px rgba(7, 67, 149, .20);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  letter-spacing: 0;
}

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  padding: 0 clamp(18px, 5vw, 72px);
  color: var(--white);
  background: rgba(4, 55, 127, .35);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, .18);
}

.privacy-header {
  color: var(--ink);
  background: rgba(246, 249, 255, .84);
  border-bottom-color: var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 19px;
}

.brand img {
  border-radius: 12px;
}

nav {
  display: flex;
  align-items: center;
  gap: clamp(16px, 3vw, 34px);
  font-size: 14px;
  font-weight: 650;
}

nav a {
  opacity: .88;
  transition: opacity .2s ease, transform .2s ease;
}

nav a:hover {
  opacity: 1;
  transform: translateY(-1px);
}

.hero {
  min-height: 100svh;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(360px, .98fr);
  align-items: center;
  gap: 5vw;
  padding: 108px clamp(22px, 6vw, 88px) 56px;
  color: var(--white);
  background:
    radial-gradient(circle at 75% 46%, rgba(111, 226, 181, .32), transparent 30%),
    linear-gradient(135deg, #0273f5 0%, #055fcf 48%, #0349a9 100%);
  overflow: hidden;
}

.hero-copy {
  max-width: 650px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 18px;
  color: var(--mint);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .08em;
}

.hero h1 {
  margin: 0;
  font-size: clamp(74px, 12vw, 160px);
  line-height: .86;
  font-weight: 900;
}

.hero-line {
  max-width: 610px;
  margin: 30px 0 0;
  color: rgba(255, 255, 255, .88);
  font-size: clamp(20px, 2.35vw, 34px);
  line-height: 1.42;
  font-weight: 650;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 24px;
  border-radius: 999px;
  font-weight: 800;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button.primary {
  color: #05429b;
  background: var(--white);
  box-shadow: 0 18px 40px rgba(0, 0, 0, .16);
}

.button.ghost {
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, .42);
}

.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 580px;
}

.phone {
  width: min(380px, 82vw);
  aspect-ratio: 9 / 18.5;
  padding: 18px;
  border-radius: 46px;
  background: rgba(255, 255, 255, .92);
  box-shadow: var(--shadow);
  transform: rotate(4deg);
  animation: floatPhone 5.4s ease-in-out infinite;
}

.phone-top {
  width: 88px;
  height: 7px;
  margin: 8px auto 18px;
  border-radius: 999px;
  background: rgba(16, 33, 59, .14);
}

.app-scene {
  position: relative;
  height: calc(100% - 33px);
  padding: 34px 26px;
  overflow: hidden;
  border-radius: 34px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, .16), rgba(255, 255, 255, 0)),
    linear-gradient(145deg, #0375f6, #0452bd 62%, #033b91);
}

.app-scene img {
  display: block;
  width: 78%;
  margin: 34px auto 0;
  filter: drop-shadow(0 18px 34px rgba(0, 24, 76, .28));
}

.scene-copy {
  position: absolute;
  left: 26px;
  right: 26px;
  bottom: 34px;
  color: var(--white);
}

.scene-copy strong {
  display: block;
  font-size: 34px;
  line-height: 1.08;
}

.scene-copy span {
  display: block;
  margin-top: 10px;
  color: rgba(255, 255, 255, .78);
  font-size: 16px;
}

.scene-lines {
  position: absolute;
  left: 26px;
  right: 26px;
  bottom: 130px;
  display: grid;
  gap: 10px;
}

.scene-lines i {
  display: block;
  height: 9px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .22);
}

.scene-lines i:nth-child(2) {
  width: 78%;
}

.scene-lines i:nth-child(3) {
  width: 52%;
}

.intro,
.closing {
  padding: clamp(78px, 10vw, 138px) clamp(22px, 7vw, 120px);
  background: var(--white);
}

.intro {
  border-bottom: 1px solid var(--line);
}

.intro h2,
.closing h2,
.feature-copy h2,
.quit-copy h2 {
  max-width: 980px;
  margin: 0;
  color: var(--ink);
  font-size: clamp(36px, 5vw, 72px);
  line-height: 1.06;
  font-weight: 900;
}

.intro p:last-child,
.closing p:last-child,
.feature-copy p,
.quit-copy p {
  max-width: 760px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.9;
}

.feature-band {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(360px, 1.1fr);
  gap: clamp(34px, 6vw, 92px);
  padding: clamp(78px, 10vw, 136px) clamp(22px, 7vw, 120px);
  background: #eef6ff;
}

.feature-list {
  display: grid;
  gap: 1px;
  align-self: center;
  border-top: 1px solid var(--line);
}

.feature-list div {
  display: grid;
  grid-template-columns: 58px minmax(120px, 180px) 1fr;
  gap: 22px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}

.feature-list span {
  color: var(--blue);
  font-weight: 900;
}

.feature-list strong {
  font-size: 24px;
  line-height: 1.2;
}

.feature-list p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.quit-section {
  padding: clamp(78px, 10vw, 136px) clamp(22px, 7vw, 120px);
  color: var(--white);
  background:
    linear-gradient(rgba(3, 63, 145, .88), rgba(3, 63, 145, .88)),
    url("assets/logo.png") center / min(700px, 90vw) no-repeat,
    #064ebc;
}

.quit-copy h2,
.quit-copy p {
  color: var(--white);
}

.quit-copy p {
  color: rgba(255, 255, 255, .82);
}

.quit-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(42px, 6vw, 76px);
  border-top: 1px solid rgba(255, 255, 255, .25);
}

.quit-steps div {
  min-height: 180px;
  padding: 28px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, .25);
}

.quit-steps b {
  display: block;
  color: var(--mint);
  font-size: 30px;
  line-height: 1;
}

.quit-steps span {
  display: block;
  margin-top: 22px;
  color: rgba(255, 255, 255, .84);
  line-height: 1.8;
}

.closing {
  text-align: left;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 10px 16px;
  padding: 28px 18px;
  color: #516078;
  background: #f8fbff;
  border-top: 1px solid var(--line);
  font-size: 14px;
}

.site-footer a {
  color: #195fca;
  font-weight: 700;
}

.privacy-body {
  background: #f5f8fd;
}

.privacy-page {
  padding: 112px 18px 72px;
}

.policy {
  width: min(980px, 100%);
  margin: 0 auto;
  padding: clamp(22px, 5vw, 44px);
  background: var(--white);
  border-radius: 28px;
  box-shadow: 0 20px 60px rgba(16, 33, 59, .08);
}

.policy-head {
  padding: 28px;
  border-radius: 22px;
  color: var(--white);
  background: linear-gradient(135deg, #0871ef, #0451bd);
}

.policy-head p {
  margin: 0 0 8px;
  color: var(--mint);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .08em;
}

.policy-head h1 {
  margin: 0;
  font-size: clamp(30px, 5vw, 48px);
  line-height: 1.15;
}

.policy-head span {
  display: block;
  margin-top: 14px;
  color: rgba(255, 255, 255, .82);
  line-height: 1.8;
}

.policy section {
  padding-top: 32px;
}

.policy h2 {
  margin: 0 0 12px;
  font-size: 25px;
  line-height: 1.35;
}

.policy h3 {
  margin: 24px 0 10px;
  font-size: 19px;
}

.policy p,
.policy li {
  color: #32435d;
  font-size: 15px;
  line-height: 1.95;
}

.policy p {
  margin: 10px 0 0;
}

.policy ul {
  margin: 10px 0 0;
  padding-left: 20px;
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
  margin-top: 14px;
  -webkit-overflow-scrolling: touch;
}

table {
  width: 100%;
  min-width: 900px;
  border-collapse: collapse;
  background: var(--white);
  font-size: 14px;
}

th,
td {
  padding: 12px 14px;
  border: 1px solid #dfe7f2;
  text-align: left;
  vertical-align: top;
  line-height: 1.75;
}

th {
  color: var(--ink);
  background: #f2f7ff;
  font-weight: 800;
}

td {
  color: #32435d;
}

td a {
  color: var(--blue);
  font-weight: 800;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .7s ease, transform .7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

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

.hero-copy {
  animation: heroTextIn .72s ease both;
}

.hero-visual {
  animation: heroVisualIn .86s ease .08s both;
}

@keyframes floatPhone {
  0%, 100% {
    transform: rotate(4deg) translateY(0);
  }
  50% {
    transform: rotate(2deg) translateY(-14px);
  }
}

@keyframes heroTextIn {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes heroVisualIn {
  from {
    opacity: 0;
    transform: translateY(18px) scale(.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@media (max-width: 900px) {
  .site-header {
    height: 66px;
  }

  nav {
    gap: 14px;
    font-size: 13px;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 104px;
  }

  .hero h1 {
    font-size: clamp(72px, 20vw, 108px);
  }

  .hero-visual {
    min-height: 430px;
  }

  .phone {
    width: min(300px, 78vw);
  }

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

  .feature-list div {
    grid-template-columns: 46px 1fr;
  }

  .feature-list p {
    grid-column: 2;
  }

  .quit-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .site-header {
    padding: 0 16px;
  }

  .brand span {
    font-size: 17px;
  }

  nav a:not(:last-child) {
    display: none;
  }

  .hero {
    padding-left: 18px;
    padding-right: 18px;
  }

  .hero-line {
    font-size: 20px;
  }

  .button {
    width: 100%;
  }

  .intro,
  .closing,
  .feature-band,
  .quit-section {
    padding-left: 18px;
    padding-right: 18px;
  }

  .intro h2,
  .closing h2,
  .feature-copy h2,
  .quit-copy h2 {
    font-size: 38px;
  }

  .quit-steps {
    grid-template-columns: 1fr;
  }

  .policy {
    border-radius: 18px;
  }

  .policy-head {
    padding: 22px;
  }
}