:root {
  --ink: #10213f;
  --muted: #66738a;
  --blue: #386df5;
  --blue-dark: #2459d8;
  --blue-soft: #edf3ff;
  --mint: #41b996;
  --line: #e5eaf1;
  --paper: #f7f9fc;
  --radius: 1rem;
  --radius-sm: .625rem;
  --shadow: 0 1.125rem 2.625rem rgba(25, 54, 106, 0.1);
  --shadow-lg: 0 1.875rem 4.375rem rgba(25, 54, 106, 0.2);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: #fff;
  color: var(--ink);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
}

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

.wrap {
  width: min(71.25rem, calc(100% - 3rem));
  margin: auto;
}

.site-header {
  height: 4.75rem;
  background: rgba(255, 255, 255, 0.86);
  border-bottom: .0625rem solid rgba(229, 234, 241, 0.8);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(1rem);
}

.nav {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .625rem;
  font-size: 1.125rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.brand-mark {
  display: block;
  width: 2.125rem;
  height: 2.125rem;
}

.nav-links {
  display: flex;
  gap: 1.9375rem;
  color: #4d5b71;
  font-size: .875rem;
}

.nav-links a,
.footer-links a {
  transition: color 0.2s ease;
}

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

.nav-download,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  border-radius: .5625rem;
  font-size: .875rem;
  font-weight: 800;
  transition:
    transform 0.2s ease,
    background-color 0.2s ease,
    border-color 0.2s ease;
}

.nav-download {
  padding: .6875rem 1rem;
  background: var(--ink);
  color: #fff;
}

.nav-download:hover,
.button-primary:hover {
  background: var(--blue-dark);
}

.button-primary:hover {
  transform: translateY(-.125rem);
}

.hero {
  padding: 6rem 0 5rem;
  overflow: hidden;
  background:
    radial-gradient(circle at 76% 42%, #e5f0ff 0, transparent 25%),
    linear-gradient(116deg, #fff 6%, #f5f8ff 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  align-items: center;
  min-height: 33.125rem;
}

.hero h1,
.section-heading h2,
.privacy-copy h2,
.faq-grid h2,
.download-box h2 {
  margin: 0;
  letter-spacing: -0.055em;
  font-weight: 800;
}

.hero h1 {
  font-size: 3.625rem;
  line-height: 1.16;
}

.hero h1 em {
  font-style: normal;
  color: var(--blue);
}

.hero-text {
  max-width: 30rem;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.9;
  margin: 1.375rem 0 1.8125rem;
}

.actions {
  display: flex;
  gap: .75rem;
}

.button {
  padding: .8125rem 1.1875rem;
}

.button-primary {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 .5625rem 1.25rem rgba(56, 109, 245, 0.23);
}

.button-quiet {
  border: .0625rem solid #dbe3ef;
  color: #415069;
  background: #fff;
}

.button-quiet:hover {
  border-color: #9db7ff;
  color: var(--blue);
  transform: translateY(-.125rem);
}

.hero-notes {
  display: flex;
  gap: 1.3125rem;
  margin-top: 1.5625rem;
  color: #59667b;
  font-size: .75rem;
}

.hero-notes b {
  color: #28aa83;
}

.hero-visual {
  height: 32.875rem;
  position: relative;
  display: grid;
  place-items: center;
}

.trust-bar {
  border-top: .0625rem solid #edf0f4;
  border-bottom: .0625rem solid #edf0f4;
  background: #fff;
}

.trust-bar>.wrap {
  min-height: 5.5625rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.trust-bar p {
  font-size: .8125rem;
  color: #758096;
}

.trust-bar div {
  display: flex;
  gap: 1.875rem;
}

.trust-bar .wrap > div > span {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .8125rem;
  color: #4f5c71;
}

.trust-bar b {
  display: grid;
  place-items: center;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: .5rem;
  background: var(--blue-soft);
  color: var(--blue);
  font-size: .6875rem;
}

.trust-bar .mini-icon .icon {
  width: 1rem;
  height: 1rem;
  min-height: 0;
  padding: 0;
  border-radius: 0;
  background: currentColor;
}

.section {
  padding: 6.4375rem 0;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  margin-bottom: 2.3125rem;
}

.section-heading h2 {
  font-size: 2.5rem;
  line-height: 1.2;
}

.section-heading>p {
  max-width: 25rem;
  color: var(--muted);
  font-size: .875rem;
  line-height: 1.8;
  margin: 0;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.feature-card {
  position: relative;
  min-height: 15.75rem;
  border: .0625rem solid var(--line);
  border-radius: var(--radius);
  padding: 1.5625rem 1.375rem;
  background: #fff;
  overflow: hidden;
  transition:
    transform 0.38s cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 0.38s cubic-bezier(0.22, 1, 0.36, 1),
    border-color 0.38s ease;
}

.feature-card:hover {
  transform: translateY(-.1875rem);
  box-shadow: 0 .875rem 2.125rem rgba(25, 54, 106, 0.09);
  border-color: #dbe6f7;
}

.feature-icon {
  display: grid;
  place-items: center;
  width: 2.875rem;
  height: 2.875rem;
  border-radius: .875rem;
  margin: 0 0 1.3125rem;
  font-size: 1.3125rem;
  font-weight: 800;
}

.feature-card h3 {
  margin: 0 0 .625rem;
  font-size: 1.125rem;
}

.feature-card p {
  min-height: 4.0625rem;
  color: var(--muted);
  font-size: .8125rem;
  line-height: 1.75;
  margin: 0;
}

.feature-card a {
  display: inline-block;
  margin-top: 1.25rem;
  color: #466fe2;
  font-size: .75rem;
  font-weight: 800;
}

.feature-card a span,
.text-link span {
  font-size: 1rem;
  margin-left: .1875rem;
}

.feature-blue .feature-icon {
  background: #eaf1ff;
  color: #386df5;
}

.feature-green .feature-icon {
  background: #e8f8f3;
  color: #26a983;
}

.feature-orange .feature-icon {
  background: #fff3e8;
  color: #e88c43;
}

.feature-violet .feature-icon {
  background: #f2efff;
  color: #7f68da;
}

.mobile-showcase {
  padding: 6.0625rem 0 6.5625rem;
  background: var(--paper);
}

.centered {
  display: block;
  text-align: center;
}

.centered>p {
  margin: .875rem auto 0;
}

.screen-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.125rem;
  align-items: end;
}

.screen-card {
  padding: 1.125rem 1.125rem 0;
  border: .0625rem solid #e5eaf2;
  border-radius: var(--radius);
  background: #fff;
  overflow: hidden;
  transition:
    transform 0.25s ease,
    box-shadow 0.25s ease;
}

.screen-card:hover {
  transform: none;
  box-shadow: none;
}

.featured-screen {
  transform: translateY(-1.125rem);
  box-shadow: var(--shadow);
}

.featured-screen:hover {
  transform: none;
}

.screen-art {
  height: 20.3125rem;
  border-radius: .625rem .625rem 0 0;
  display: grid;
  place-items: end center;
  overflow: hidden;
}

.screen-art img {
  width: 11.0625rem;
  height: 18.25rem;
  object-fit: cover;
  object-position: top;
  border: .375rem solid #182640;
  border-bottom: 0;
  border-radius: 1.5rem 1.5rem 0 0;
  box-shadow: 0 -.625rem 1.375rem rgba(62, 92, 130, 0.16);
}

.blue-placeholder {
  background: linear-gradient(145deg, #dce9ff, #f4f8ff);
}

.mint-placeholder {
  background: linear-gradient(145deg, #d9f6ec, #f4fffa);
}

.peach-placeholder {
  background: linear-gradient(145deg, #ffe9d8, #fff9f3);
}

.screen-copy {
  padding: 1.25rem .25rem 1.375rem;
}

.screen-copy>span {
  color: #8192af;
  font-size: .75rem;
  font-weight: 800;
}

.screen-copy h3 {
  font-size: 1.125rem;
  margin: .5rem 0;
}

.screen-copy p {
  margin: 0;
  color: var(--muted);
  font-size: .8125rem;
  line-height: 1.75;
}

.privacy-section {
  padding: 6.1875rem 0;
  background: var(--ink);
  color: #fff;
}

.privacy-grid {
  display: grid;
  grid-template-columns: 1fr 0.85fr;
  gap: 6.875rem;
  align-items: center;
}

.privacy-copy h2 {
  font-size: 2.75rem;
  line-height: 1.2;
}

.privacy-copy>p {
  max-width: 27.5rem;
  margin: 1.25rem 0;
  color: #b6c2d7;
  font-size: .9375rem;
  line-height: 1.9;
}

.text-link {
  color: #9eb9ff;
  font-size: .8125rem;
  font-weight: 800;
}

.privacy-board {
  border: .0625rem solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius);
  padding: 1.6875rem;
  background: rgba(255, 255, 255, 0.07);
  box-shadow: 0 1.25rem 2.8125rem rgba(0, 0, 0, 0.13);
}

.board-head {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding-bottom: 1.375rem;
  border-bottom: .0625rem solid rgba(255, 255, 255, 0.12);
}

.shield {
  display: grid;
  place-items: center;
  width: 2.625rem;
  height: 2.625rem;
  border-radius: .8125rem;
  background: #315bdb;
  color: #fff;
}

.board-head small {
  display: block;
  color: #adbad0;
  font-size: .6875rem;
  margin-bottom: .1875rem;
}

.board-head b {
  font-size: .875rem;
}

.board-head strong {
  margin-left: auto;
  color: #a6c0ff;
  font-size: 2rem;
}

.board-line {
  display: grid;
  grid-template-columns: 1fr 1.75rem;
  gap: .5rem;
  padding-top: 1.1875rem;
  color: #c4cedd;
  font-size: .75rem;
}

.board-line b {
  text-align: right;
  color: #fff;
}

.board-line i {
  grid-column: 1/-1;
  height: .3125rem;
  border-radius: 6.1875rem;
  background: rgba(255, 255, 255, 0.11);
  overflow: hidden;
}

.board-line em {
  display: block;
  height: 100%;
  border-radius: 6.1875rem;
  background: #77a0ff;
}

.board-foot {
  margin-top: 1.375rem;
  padding: .75rem 0 0;
  border-top: .0625rem solid rgba(255, 255, 255, 0.12);
  color: #91ddb9;
  font-size: .75rem;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: .0625rem solid var(--line);
  border-bottom: .0625rem solid var(--line);
}

.steps article {
  padding: 1.8125rem 1.75rem 1.9375rem;
  border-right: .0625rem solid var(--line);
}

.steps article:last-child {
  border-right: 0;
}

.steps b {
  display: grid;
  place-items: center;
  width: 1.875rem;
  height: 1.875rem;
  border-radius: 50%;
  background: var(--blue-soft);
  color: var(--blue);
  font-size: .8125rem;
}

.steps h3 {
  font-size: 1.0625rem;
  margin: 1.1875rem 0 .5rem;
}

.steps p {
  margin: 0;
  color: var(--muted);
  font-size: .8125rem;
  line-height: 1.75;
}

.faq-section {
  padding: 6.125rem 0;
  background: var(--paper);
}

.faq-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 6.5rem;
}

.faq-grid h2 {
  font-size: 2.5rem;
  line-height: 1.25;
}

.faq-copy {
  align-self: start;
}

.faq-intro {
  max-width: 20rem;
  color: var(--muted);
  font-size: .8125rem;
  line-height: 1.85;
  margin: 1.25rem 0 1.125rem;
}

.faq-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: 0 0 1.125rem;
}

.faq-tags span {
  padding: .4375rem .625rem;
  border-radius: .5rem;
  background: #eef4ff;
  color: #386df5;
  font-size: .75rem;
  font-weight: 800;
}

.faq-note {
  display: grid;
  gap: .4375rem;
  max-width: 20.625rem;
  margin: 0 0 1.125rem;
  padding-left: .8125rem;
  border-left: .125rem solid #dce6fb;
  color: #738197;
  font-size: .75rem;
  line-height: 1.75;
}

.faq-contact {
  max-width: 18.75rem;
  margin: 1rem 0;
  color: #7b8798;
  font-size: .75rem;
  line-height: 1.8;
}

.faq-list {
  border-top: .0625rem solid #dce3ed;
}

.faq-list details {
  border-bottom: .0625rem solid #dce3ed;
  padding: 1.25rem 0;
}

.faq-list summary {
  display: flex;
  justify-content: space-between;
  list-style: none;
  cursor: pointer;
  color: #263650;
  font-size: .9375rem;
  font-weight: 800;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary span:after {
  content: "+";
  color: var(--blue);
  font-size: 1.25rem;
}

.faq-list details[open] summary span:after {
  content: "−";
}

.faq-list p {
  max-width: 35rem;
  margin: .8125rem 0 0;
  color: var(--muted);
  font-size: .8125rem;
  line-height: 1.8;
}

.download-section {
  padding: 5.125rem 0;
}

.download-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 3.25rem 3.375rem;
  border-radius: 1.25rem;
  background: linear-gradient(112deg, #eaf1ff, #edf9f4);
}

.download-box h2 {
  font-size: 2.25rem;
}

.download-box p {
  color: #65728a;
  font-size: .875rem;
  margin: .8125rem 0 0;
}

.download-actions {
  display: flex;
  gap: .625rem;
}

.store-button {
  display: grid;
  grid-template-columns: 1.8125rem 1fr;
  column-gap: .4375rem;
  min-width: 9.0625rem;
  padding: .75rem;
  border-radius: .625rem;
  background: #17243b;
  color: #fff;
  transition:
    transform 0.2s ease,
    background 0.2s ease;
}

.store-button:hover {
  transform: translateY(-.125rem);
  background: #253a61;
}

.store-button>span {
  grid-row: 1/3;
  font-size: 1.5rem;
}

.store-button small {
  color: #b9c5d8;
  font-size: .5625rem;
}

.store-button b {
  font-size: .9375rem;
}

footer {
  padding: 1.75rem 0;
  border-top: .0625rem solid var(--line);
  color: #7a8798;
  font-size: .75rem;
}

.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-row .brand {
  font-size: .9375rem;
  color: var(--ink);
}

.footer-row .brand-mark {
  width: 1.8125rem;
  height: 1.8125rem;
}

.footer-links {
  display: flex;
  gap: 1.125rem;
}

.footer-links a:hover {
  color: var(--blue);
}

a:focus-visible,
summary:focus-visible {
  outline: .1875rem solid rgba(56, 109, 245, 0.4);
  outline-offset: .25rem;
  border-radius: .3125rem;
}

@media (max-width: 53.75rem) {
  .nav-links {
    display: none;
  }

  .hero {
    padding: 4.0625rem 0;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.1875rem;
  }

  .hero-copy {
    text-align: center;
  }

  .actions,
  .hero-notes {
    justify-content: center;
  }

  .hero-text {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-visual {
    height: 27.5rem;
  }

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

  .privacy-grid,
  .faq-grid {
    grid-template-columns: 1fr;
    gap: 2.8125rem;
  }

  .privacy-copy,
  .faq-grid>div:first-child {
    text-align: center;
  }

  .faq-intro,
  .faq-tags,
  .faq-note,
  .faq-contact {
    justify-content: center;
    margin-left: auto;
    margin-right: auto;
  }

  .faq-note {
    text-align: left;
  }

  .privacy-copy>p {
    margin-left: auto;
    margin-right: auto;
  }

  .section-heading {
    display: block;
  }

  .section-heading>p {
    margin-top: .875rem;
  }

  .download-box {
    display: block;
  }

  .download-actions {
    margin-top: 1.625rem;
  }

  .screen-gallery {
    gap: .625rem;
  }

  .screen-card {
    padding: .625rem .625rem 0;
  }

  .screen-art {
    height: 17.1875rem;
  }

  .screen-art img {
    transform: scale(0.9);
    transform-origin: bottom;
  }

  .screen-copy {
    padding: 1.0625rem .25rem;
  }

  .screen-copy h3 {
    font-size: 1rem;
  }
}

@media (max-width: 36.25rem) {
  .wrap {
    width: calc(100% - 2rem);
  }

  .site-header {
    height: 4rem;
  }

  .nav-download {
    padding: .5625rem .6875rem;
    font-size: .75rem;
  }

  .brand {
    font-size: 1rem;
  }

  .hero {
    padding: 3.375rem 0 1.875rem;
  }

  .hero h1 {
    font-size: 2.625rem;
  }

  .hero-text {
    font-size: .875rem;
  }

  .hero-notes {
    gap: .6875rem;
    font-size: .6875rem;
    flex-wrap: wrap;
  }

  .hero-visual {
    height: 25.125rem;
  }

  .trust-bar>.wrap {
    padding: 1.0625rem 0;
    display: block;
  }

  .trust-bar p {
    margin: 0 0 .8125rem;
  }

  .trust-bar div {
    justify-content: space-between;
    gap: .375rem;
  }

  .trust-bar .wrap > div > span {
    font-size: .625rem;
    display: grid;
    justify-items: center;
    gap: .25rem;
  }

  .section {
    padding: 4.1875rem 0;
  }

  .section-heading h2 {
    font-size: 2rem;
  }

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

  .feature-card {
    min-height: 13.125rem;
  }

  .feature-card p {
    min-height: auto;
  }

  .mobile-showcase {
    padding: 4.1875rem 0;
  }

  .screen-gallery {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .featured-screen,
  .featured-screen:hover {
    transform: none;
  }

  .screen-card {
    padding: .9375rem .9375rem 0;
  }

  .screen-art {
    height: 19.0625rem;
  }

  .screen-art img {
    transform: none;
  }

  .privacy-section {
    padding: 4.25rem 0;
  }

  .privacy-copy h2,
  .faq-grid h2 {
    font-size: 2.0625rem;
  }

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

  .steps article {
    border-right: 0;
    border-bottom: .0625rem solid var(--line);
  }

  .steps article:last-child {
    border-bottom: 0;
  }

  .faq-section {
    padding: 4.1875rem 0;
  }

  .faq-grid {
    gap: 1.875rem;
  }

  .download-section {
    padding: 3.25rem 0;
  }

  .download-box {
    padding: 1.9375rem 1.5625rem;
  }

  .download-box h2 {
    font-size: 1.875rem;
  }

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

  .store-button {
    min-width: 0;
  }

  .footer-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 1rem;
  }

  .footer-links {
    gap: .875rem;
  }

  .actions {
    flex-wrap: wrap;
  }

  .button {
    padding: .75rem .9375rem;
  }
}

@media (min-width: 53.8125rem) {
  .hero-inspired .actions {
    align-items: center;
    gap: 1rem;
  }

  .hero-inspired .button {
    min-height: 3.25rem;
    padding: .875rem 1.375rem;
    font-size: .9375rem;
    border-radius: .6875rem;
  }

  .hero-inspired .button-primary {
    min-width: 10.5rem;
    padding-inline: 1.75rem;
    font-size: 1rem;
  }

  .hero-inspired .button-quiet {
    min-width: 9.5rem;
  }
}

@media (hover: none) {

  .feature-card:hover,
  .screen-card:hover,
  .store-button:hover {
    transform: none;
    box-shadow: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .feature-card,
  .screen-card,
  .button,
  .nav-download,
  .store-button {
    transition: none;
  }
}

.icon {
  display: block;
  width: 1em;
  height: 1em;
  background: currentColor;
  -webkit-mask: var(--icon) center/contain no-repeat;
  mask: var(--icon) center/contain no-repeat;
}

.icon-zap {
  --icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='m13 2-9 12h7l-1 8 10-13h-7l0-7Z' fill='none' stroke='black' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}

.icon-eye {
  --icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M2 12s3.5-6 10-6 10 6 10 6-3.5 6-10 6S2 12 2 12Z' fill='none' stroke='black' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3Ccircle cx='12' cy='12' r='2.5' fill='none' stroke='black' stroke-width='1.8'/%3E%3C/svg%3E");
}

.icon-translate {
  --icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M4 5h10M9 3v2m-5 0c1.2 3 3.1 5.4 5.8 7.2M6 15l2.5-4.4M11 15l-2.5-4.4M15 20l3-8 3 8m-5-3h4' fill='none' stroke='black' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}

.icon-grid {
  --icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cg fill='none' stroke='black' stroke-width='1.8' stroke-linejoin='round'%3E%3Crect x='4' y='4' width='6' height='6' rx='1'/%3E%3Crect x='14' y='4' width='6' height='6' rx='1'/%3E%3Crect x='4' y='14' width='6' height='6' rx='1'/%3E%3Crect x='14' y='14' width='6' height='6' rx='1'/%3E%3C/g%3E%3C/svg%3E");
}

.icon-shield {
  --icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 3 20 6v5c0 5-3.4 8.4-8 10-4.6-1.6-8-5-8-10V6l8-3Z' fill='none' stroke='black' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3Cpath d='m8.5 12 2.2 2.2 4.8-4.8' fill='none' stroke='black' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}

.icon-android {
  --icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M7.15 8.2 5.8 5.86l.76-.44 1.4 2.43a6.7 6.7 0 0 1 8.08 0l1.4-2.43.76.44-1.35 2.34A5.7 5.7 0 0 1 18.5 12v7.1c0 .5-.4.9-.9.9h-1.3v2.05a.95.95 0 0 1-1.9 0V20h-4.8v2.05a.95.95 0 0 1-1.9 0V20H6.4a.9.9 0 0 1-.9-.9V12c0-1.47.63-2.8 1.65-3.8ZM8.8 11.1a.7.7 0 1 0 0-1.4.7.7 0 0 0 0 1.4Zm6.4 0a.7.7 0 1 0 0-1.4.7.7 0 0 0 0 1.4ZM4.15 12.1c-.5 0-.9.4-.9.9v4.55a.95.95 0 0 0 1.9 0V13c0-.5-.4-.9-1-.9Zm15.7 0c-.5 0-.9.4-.9.9v4.55a.95.95 0 0 0 1.9 0V13c0-.5-.4-.9-1-.9Z'/%3E%3C/svg%3E");
}

.icon-apple {
  --icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M16.7 13.2c0-2.2 1.8-3.3 1.9-3.4-1-1.5-2.6-1.7-3.1-1.7-1.3-.2-2.6.8-3.3.8s-1.7-.8-2.8-.8c-1.5 0-2.8.8-3.5 2.1-1.5 2.5-.4 6.2 1 8.1.7.9 1.5 2 2.6 1.9 1-.1 1.4-.7 2.7-.7 1.2 0 1.6.7 2.7.7 1.1 0 1.8-.9 2.5-1.9.7-1.1 1-2.1 1-2.2-.1 0-2.1-.8-2.1-2.9ZM14.7 6.6c.6-.8 1-1.8.9-2.9-.9 0-2 .6-2.6 1.3-.6.7-1.1 1.7-1 2.8 1 .1 2-.5 2.7-1.2Z'/%3E%3C/svg%3E");
}

.feature-icon .icon {
  width: 1.4375rem;
  height: 1.4375rem;
}

.shield .icon {
  width: 1.375rem;
  height: 1.375rem;
}

.store-button>span {
  display: grid;
  place-items: center;
}

.store-button>span .icon {
  width: 1.375rem;
  height: 1.375rem;
}

.float-icon .icon {
  width: 1.0625rem;
  height: 1.0625rem;
}

.hero-inspired {
  position: relative;
  background: linear-gradient(145deg, #fff 0%, #fafaff 54%, #f4f3ff 100%);
}

.hero-inspired:after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 5.9375rem;
  background: linear-gradient(175deg, transparent 48%, #fff 49%);
  pointer-events: none;
}

.hero-deco {
  position: absolute;
  pointer-events: none;
}

.deco-two {
  width: 1.125rem;
  height: 1.125rem;
  right: 22%;
  bottom: 5.9375rem;
  border-radius: 50%;
  background: #ffad3d;
  box-shadow:
    -4.625rem 1.375rem 0 #66d6b5,
    4.5rem 3.125rem 0 #d7d1ff;
}

.hero-composition {
  overflow: visible;
}

.browser-stage {
  position: relative;
  z-index: 2;
  width: 30.3125rem;
  height: 20.875rem;
  border-radius: 1.125rem;
  background: #fff;
  box-shadow: 0 1.75rem 3.4375rem rgba(39, 49, 135, 0.16);
  overflow: hidden;
  transform: rotate(-5deg) translateY(.25rem);
  border: .0625rem solid #edf0f9;
}

.browser-chrome {
  height: 2.8125rem;
  display: flex;
  align-items: center;
  gap: .375rem;
  padding: 0 .9375rem;
  background: #fbfbfe;
  border-bottom: .0625rem solid #edf0f6;
}

.browser-chrome>span {
  width: .4375rem;
  height: .4375rem;
  border-radius: 50%;
  background: #ced5e6;
}

.browser-chrome i {
  width: .0625rem;
  height: .875rem;
  margin: 0 .25rem;
  background: #e1e5ef;
}

.browser-chrome b {
  height: 1.5rem;
  min-width: 14.375rem;
  padding: .3125rem .75rem;
  border-radius: .5rem;
  background: #eff2f8;
  color: #9aa6bc;
  font-size: .5625rem;
  font-weight: 500;
}

.browser-body {
  height: 18.0625rem;
  padding: 1.5625rem 2.125rem;
  background: linear-gradient(135deg, #fff, #fafcff);
}

.browser-welcome {
  display: flex;
  align-items: center;
  gap: .5625rem;
}

.browser-welcome img {
  width: 1.9375rem;
  height: 1.9375rem;
}

.browser-welcome small,
.browser-welcome strong {
  display: block;
}

.browser-welcome small {
  color: #9aa6b8;
  font-size: .5625rem;
}

.browser-welcome strong {
  font-size: .875rem;
  margin-top: .1875rem;
}

.browser-search {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin: 1.1875rem 0 1.0625rem;
  padding: .625rem .8125rem;
  border: .0625rem solid #e7ebf4;
  border-radius: .625rem;
  background: #fff;
  color: #5373db;
  box-shadow: 0 .4375rem 1.125rem rgba(37, 57, 115, 0.07);
}

.browser-search i {
  height: .3125rem;
  width: 7.5rem;
  border-radius: .5625rem;
  background: #dce2ee;
}

.browser-shortcuts {
  display: flex;
  gap: .625rem;
}

.browser-shortcuts b {
  width: 2.625rem;
  height: 2.625rem;
  border-radius: .75rem;
  background: #eaf0ff;
}

.browser-shortcuts b:nth-child(2) {
  background: #e3f8f0;
}

.browser-shortcuts b:nth-child(3) {
  background: #fff0df;
}

.browser-shortcuts b:nth-child(4) {
  background: #eee9ff;
}

.browser-history {
  display: grid;
  gap: .5625rem;
  margin-top: 1.125rem;
}

.browser-history i {
  height: .5rem;
  border-radius: .5rem;
  background: linear-gradient(90deg, #dce3f0 37%, transparent 37%);
}

.browser-history i:nth-child(2) {
  width: 86%;
}

.browser-history i:nth-child(3) {
  width: 72%;
}

.float-card {
  position: absolute;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: .625rem;
  width: 11.125rem;
  padding: .75rem;
  border-radius: .75rem;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 1rem 2.25rem rgba(46, 55, 142, 0.18);
  backdrop-filter: blur(.5rem);
}

.float-card small,
.float-card b {
  display: block;
}

.float-card small {
  margin-bottom: .1875rem;
  color: #7e8aa0;
  font-size: .5625rem;
}

.float-card b {
  font-size: .6875rem;
}

.float-icon {
  display: grid;
  place-items: center;
  width: 1.9375rem;
  height: 1.9375rem;
  border-radius: .625rem;
  color: #386df5;
  background: #e9efff;
}

.float-protect {
  right: -.4375rem;
  top: 4.5625rem;
  animation: card-drift 5.5s ease-in-out infinite;
}

.float-speed {
  left: -.1875rem;
  bottom: 4.6875rem;
  animation: card-drift 5.5s 1.4s ease-in-out infinite reverse;
}

.float-speed .float-icon {
  color: #20af82;
  background: #e3f8ef;
}

.float-orbit {
  position: absolute;
  z-index: 1;
  width: 24.625rem;
  height: 24.625rem;
  right: 1.6875rem;
  top: 2.5rem;
  border: .0625rem solid #ddd9ff;
  border-radius: 50%;
  transform: rotate(-33deg);
}

.float-orbit:after {
  content: "";
  position: absolute;
  width: .6875rem;
  height: .6875rem;
  right: .3125rem;
  bottom: 3rem;
  border-radius: 50%;
  background: #386df5;
}

.app-gallery {
  align-items: center;
}

@keyframes card-drift {
  50% {
    transform: translateY(-.5625rem);
  }
}

@media (max-width: 53.75rem) {
  .browser-stage {
    transform: rotate(-4deg) scale(0.84);
  }

  .float-protect {
    right: 6%;
    top: 4.0625rem;
  }

  .float-speed {
    left: 7%;
    bottom: 4.0625rem;
  }

  .float-orbit {
    right: 12%;
    transform: scale(0.83);
  }

  .hero-composition {
    height: 27.5rem;
  }
}

@media (max-width: 36.25rem) {
  .hero-composition {
    height: 25.3125rem;
  }

  .browser-stage {
    transform: rotate(-3deg) scale(0.66);
  }

  .float-card {
    transform: scale(0.78);
    transform-origin: center;
  }

  .float-protect {
    right: -.5625rem;
    top: 3.875rem;
  }

  .float-speed {
    left: -.9375rem;
    bottom: 4.125rem;
  }

  .float-orbit {
    right: 0;
    top: 1.0625rem;
    transform: scale(0.64);
  }
}

.hero h1,
.section-heading h2,
.privacy-copy h2,
.faq-grid h2,
.download-box h2 {
  letter-spacing: -0.035em;
  text-wrap: balance;
}

.button,
.nav-download {
  min-height: 2.75rem;
}

.button:active,
.nav-download:active {
  transform: translateY(0) scale(0.98);
}

.button:focus-visible,
.nav-download:focus-visible {
  outline: .1875rem solid rgba(56, 109, 245, 0.42);
  outline-offset: .25rem;
}

.store-button {
  transition:
    transform 0.32s cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 0.32s cubic-bezier(0.22, 1, 0.36, 1),
    background-color 0.32s ease;
}

.store-button:first-child {
  background: #1d9b67;
  box-shadow: 0 .5625rem 1.25rem rgba(29, 155, 103, 0.18);
}

.store-button:last-child {
  background: #18243a;
  box-shadow: 0 .5625rem 1.25rem rgba(24, 36, 58, 0.18);
}

.store-button:hover {
  transform: translateY(-.25rem) scale(1.015);
  box-shadow: 0 .9375rem 1.75rem rgba(21, 37, 73, 0.24);
}

.store-button:first-child:hover {
  background: #16875a;
  box-shadow: 0 .9375rem 1.75rem rgba(22, 135, 90, 0.27);
}

.store-button:last-child:hover {
  background: #293a59;
}

.store-button:active {
  transform: translateY(-.0625rem) scale(0.985);
  transition-duration: 0.12s;
}

@media (max-width: 36.25rem) {
  .hero-inspired {
    overflow: hidden;
  }

  .hero-inspired .deco-two {
    right: 14%;
    bottom: 2.625rem;
  }

  .hero-inspired .hero-grid {
    gap: 1.125rem;
  }

  .hero-inspired .hero-visual.hero-composition {
    height: 22.8125rem;
    width: 100%;
    overflow: visible;
  }

  .hero-inspired .browser-stage {
    width: 30.3125rem;
    height: 20.875rem;
    transform: rotate(-3deg) scale(0.64);
    transform-origin: center;
  }

  .hero-inspired .float-card {
    animation: none;
    transform: scale(0.68);
    transform-origin: center;
  }

  .hero-inspired .float-protect {
    top: 3rem;
    right: -.5625rem;
  }

  .hero-inspired .float-speed {
    left: -.625rem;
    bottom: 3.625rem;
  }

  .hero-inspired .hero-copy {
    position: relative;
    z-index: 2;
  }

  .hero-inspired .hero-notes {
    margin-top: 1.25rem;
  }

  .hero-inspired {
    padding-bottom: 1.125rem;
  }
}

@media (min-width: 20rem) and (max-width: 36.25rem) {

  html,
  body {
    overflow-x: clip;
  }

  .hero-inspired {
    padding-top: 2.5rem;
  }

  .hero-inspired .hero-copy {
    width: 100%;
    min-width: 0;
  }

  .hero-inspired .hero-copy h1 {
    font-size: 2.375rem;
    line-height: 1.18;
  }

  .hero-inspired .hero-text {
    max-width: 17.875rem;
    margin: 1.125rem auto 1.5rem;
    font-size: .8125rem;
    line-height: 1.85;
  }

  .hero-inspired .actions {
    gap: .5rem;
  }

  .hero-inspired .button {
    padding: .75rem .8125rem;
    font-size: .8125rem;
  }

  .hero-inspired .hero-notes {
    gap: .5rem;
    justify-content: center;
    font-size: .625rem;
  }

  .hero-inspired .hero-visual.hero-composition {
    height: 21.875rem;
    min-width: 0;
    overflow: hidden;
  }

  .hero-inspired .browser-stage {
    zoom: 0.64;
    transform: rotate(-3deg);
    transform-origin: center;
    flex: none;
  }

  .hero-inspired .float-protect {
    right: -.25rem;
    top: 2.4375rem;
  }

  .hero-inspired .float-speed {
    left: -.25rem;
    bottom: 3.25rem;
  }

  .hero-inspired .float-card {
    transform: scale(0.62);
    transform-origin: center;
  }

  .hero-inspired .deco-two {
    display: none;
  }

  .nav {
    gap: .5rem;
  }

  .brand {
    min-width: 0;
    gap: .4375rem;
    font-size: .9375rem;
  }

  .brand-mark {
    flex: none;
    width: 2rem;
    height: 2rem;
  }

  .nav-download {
    flex: none;
    padding: .5625rem .625rem;
    font-size: .6875rem;
    white-space: nowrap;
  }
}

@media (max-width: 36.25rem) {
  .download-box h2 {
    font-size: 1.5rem;
    letter-spacing: -0.045em;
    line-height: 1.25;
    white-space: nowrap;
  }

  .download-box p {
    font-size: .8125rem;
  }

  .download-box {
    overflow: hidden;
  }

  .download-actions {
    gap: .4375rem;
  }

  .store-button {
    column-gap: .3125rem;
    padding: .625rem;
  }

  .store-button>span .icon {
    width: 1.25rem;
    height: 1.25rem;
  }
}

.app-gallery {
  gap: 1.5rem;
}

.app-gallery .screen-card {
  border: 0;
  background: transparent;
  overflow: visible;
  box-shadow: none;
}

.app-gallery .screen-card:hover {
  box-shadow: none;
}

.app-gallery .screen-art {
  height: 18.75rem;
  overflow: hidden;
  border-radius: 1.125rem;
  background: linear-gradient(145deg, #f1f5ff, #fbfcff);
}

.app-gallery .screen-card:nth-child(2) .screen-art {
  background: linear-gradient(145deg, #ecfbf5, #fbfffd);
}

.app-gallery .screen-card:nth-child(3) .screen-art {
  background: linear-gradient(145deg, #fff3e7, #fffdfb);
}

.app-gallery .screen-copy {
  position: relative;
  padding: 1.3125rem .5rem .625rem;
}

.app-gallery .screen-copy:before {
  content: "";
  position: absolute;
  top: .5rem;
  left: .5rem;
  width: 1.875rem;
  height: .125rem;
  border-radius: .125rem;
  background: #386df5;
}

.app-gallery .screen-copy>span {
  display: block;
  margin-top: .6875rem;
}

@media (max-width: 53.75rem) {
  .app-gallery {
    gap: .75rem;
  }

  .app-gallery .screen-art {
    height: 17.1875rem;
  }
}

@media (max-width: 36.25rem) {
  .app-gallery {
    gap: 1.125rem;
  }

  .app-gallery .screen-art {
    height: 18.4375rem;
  }

  .app-gallery .featured-screen {
    transform: none;
  }

  .app-gallery .screen-card:hover {
    transform: none;
  }
}

.app-gallery .screen-copy {
  padding-top: 1.3125rem;
}

.app-gallery .screen-copy:before {
  display: none;
}

@media (max-width: 36.25rem) {
  .app-gallery .featured-screen {
    transform: none;
  }
}

.app-gallery {
  align-items: end;
}

.app-gallery .screen-card {
  padding: 1.125rem 1.125rem 0;
  border: .0625rem solid #e5eaf2;
  border-radius: 1rem;
  background: #fff;
  overflow: hidden;
  box-shadow: none;
}

.app-gallery .screen-card:hover {
  box-shadow: none;
}

.app-gallery .featured-screen {
  transform: translateY(-1.125rem);
  box-shadow: 0 1.125rem 2.625rem rgba(38, 59, 99, 0.08);
}

.app-gallery .featured-screen:hover {
  transform: none;
}

.app-gallery .screen-art {
  display: block;
  height: auto;
  aspect-ratio: 1;
  border-radius: .625rem;
  overflow: hidden;
}

.app-gallery .screen-art>img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border: 0;
  border-radius: .625rem;
  box-shadow: none;
  transform: none;
}

.app-gallery .screen-copy {
  padding: 1.25rem .25rem 1.375rem;
}

@media (max-width: 53.75rem) {
  .app-gallery .screen-card {
    padding: .625rem .625rem 0;
  }

  .app-gallery .screen-copy {
    padding: 1.0625rem .25rem;
  }
}

@media (max-width: 36.25rem) {
  .app-gallery .screen-card {
    padding: .9375rem .9375rem 0;
  }

  .app-gallery .featured-screen,
  .app-gallery .featured-screen:hover {
    transform: none;
  }

  .app-gallery .screen-copy {
    padding: 1.25rem .25rem 1.375rem;
  }
}

@media (min-width: 36.3125rem) {
  .app-gallery {
    align-items: center;
    padding: 1.375rem 0;
  }

  .app-gallery .screen-card {
    position: relative;
    z-index: 1;
    transition:
      transform 0.34s cubic-bezier(0.22, 1, 0.36, 1),
      box-shadow 0.34s cubic-bezier(0.22, 1, 0.36, 1);
  }

  .app-gallery .screen-art {
    position: relative;
    z-index: 1;
    transition:
      transform 0.34s cubic-bezier(0.22, 1, 0.36, 1),
      box-shadow 0.34s cubic-bezier(0.22, 1, 0.36, 1);
  }

  .app-gallery .screen-card:nth-child(1) .screen-art {
    transform: rotate(-5deg) translateY(.75rem);
  }

  .app-gallery .screen-card:nth-child(2) {
    z-index: 3;
  }

  .app-gallery .screen-card:nth-child(2) .screen-art {
    transform: translateY(-1.625rem);
    box-shadow: 0 1.5rem 3.25rem rgba(38, 59, 99, 0.14);
  }

  .app-gallery .screen-card:nth-child(3) {
    z-index: 1;
  }

  .app-gallery .screen-card:nth-child(3) .screen-art {
    transform: rotate(5deg) translateY(-.375rem);
  }
}

.app-gallery {
  gap: 3.375rem;
  align-items: start;
  padding: 1.125rem 0;
}

.app-gallery .screen-card {
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  overflow: visible;
  box-shadow: none;
}

.app-gallery .screen-card:hover {
  box-shadow: none;
}

.app-gallery .featured-screen {
  box-shadow: none;
}

.app-gallery .screen-art {
  height: 14.125rem;
  aspect-ratio: auto;
  background: transparent !important;
  overflow: visible;
}

.app-gallery .screen-art>img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.app-gallery .screen-copy {
  padding: 1.625rem 0 0;
}

.app-gallery .screen-copy>span {
  display: none;
}

.app-gallery .screen-copy h3 {
  font-size: 1.125rem;
  margin: 0 0 .625rem;
}

.app-gallery .screen-copy p {
  max-width: 18.125rem;
}

.app-gallery .featured-screen,
.app-gallery .featured-screen:hover {
  transform: none;
}

@media (max-width: 53.75rem) {
  .app-gallery {
    gap: 1.5rem;
  }

  .app-gallery .screen-art {
    height: 11.25rem;
  }

  .app-gallery .screen-copy {
    padding-top: 1.375rem;
  }

  .app-gallery .screen-copy h3 {
    font-size: 1rem;
  }
}

@media (max-width: 36.25rem) {
  .app-gallery {
    gap: 2.625rem;
  }

  .app-gallery .screen-card {
    padding: 0;
  }

  .app-gallery .screen-art {
    height: 14.375rem;
  }

  .app-gallery .screen-copy {
    padding: 1.375rem .25rem 0;
  }

  .app-gallery .screen-copy h3 {
    font-size: 1.125rem;
  }

  .app-gallery .screen-copy p {
    max-width: none;
  }
}

.app-gallery .screen-art {
  padding: .75rem;
  border-radius: 1rem !important;
  background: #fff !important;
  box-shadow: 0 1.125rem 2.375rem rgba(38, 59, 99, 0.12);
}

.app-gallery .screen-art>img {
  border-radius: .625rem;
}

@media (max-width: 36.25rem) {
  .app-gallery .screen-art {
    padding: .625rem;
    box-shadow: 0 .875rem 1.875rem rgba(38, 59, 99, 0.1);
  }
}

.app-gallery .screen-card:nth-child(1) .screen-art {
  background:
    radial-gradient(ellipse 68% 58% at 70% 112%,
      rgba(83, 142, 255, 0.22),
      transparent 72%),
    radial-gradient(ellipse 52% 46% at 18% 16%,
      rgba(218, 236, 255, 0.72),
      transparent 76%),
    #fff !important;
}

.app-gallery .screen-card:nth-child(2) .screen-art {
  background:
    radial-gradient(ellipse 64% 58% at 50% 114%,
      rgba(116, 225, 195, 0.19),
      transparent 72%),
    radial-gradient(ellipse 55% 52% at 18% 18%,
      rgba(219, 247, 238, 0.82),
      transparent 77%),
    #fff !important;
}

.app-gallery .screen-card:nth-child(1) .screen-art>img,
.app-gallery .screen-card:nth-child(2) .screen-art>img {
  mix-blend-mode: multiply;
  opacity: 1;
  filter: none;
}

@media (min-width: 36.3125rem) {
  .app-gallery .screen-card:nth-child(1) {
    z-index: 1;
  }

  .app-gallery .screen-card:nth-child(1) .screen-art {
    transform: rotate(-5deg) translateY(-.375rem);
  }

  .app-gallery .screen-card:nth-child(3) {
    z-index: 1;
  }

  .app-gallery .screen-card:nth-child(3) .screen-art {
    transform: rotate(5deg) translateY(-.375rem);
  }
}

.hero.hero-inspired {
  padding: 5.5rem 0;
}

.hero-inspired:after {
  display: none;
}

@media (max-width: 53.75rem) {
  .hero.hero-inspired {
    padding-block: 4.0625rem;
  }
}

@media (max-width: 36.25rem) {
  .hero.hero-inspired {
    padding-block: 2.5rem;
  }
}

@media (max-width: 36.25rem) {
  .hero.hero-inspired {
    padding: 2.375rem 0 2.125rem;
  }

  .trust-bar>.wrap {
    padding: 1.125rem 0;
  }

  .section {
    padding: 3.5rem 0;
  }

  .mobile-showcase {
    padding: 3.625rem 0 3.875rem;
  }

  .privacy-section {
    padding: 3.625rem 0;
  }

  .faq-section {
    padding: 3.5rem 0;
  }

  .download-section {
    padding: 3.125rem 0 3.375rem;
  }

  .section-heading {
    margin-bottom: 1.625rem;
  }

  .section-heading>p {
    margin-top: .75rem;
  }

  .feature-grid {
    gap: .875rem;
  }

  .screen-gallery {
    gap: 2.125rem;
  }

  .app-gallery {
    gap: 2.25rem;
  }

  .app-gallery .screen-copy {
    padding-top: 1.125rem;
  }

  .privacy-grid,
  .faq-grid {
    gap: 2rem;
  }

  .steps article {
    padding: 1.5rem 1.375rem 1.625rem;
  }

  .download-actions {
    margin-top: 1.375rem;
  }
}

@media (max-width: 36.25rem) {
  .steps article {
    display: grid;
    grid-template-columns: 1.875rem 1fr;
    column-gap: .75rem;
    align-items: center;
  }

  .steps article>b {
    grid-column: 1;
    grid-row: 1;
  }

  .steps article>h3 {
    grid-column: 2;
    grid-row: 1;
    margin: 0;
  }

  .steps article>p {
    grid-column: 2;
    grid-row: 2;
    margin-top: .5rem;
  }
}

/* 移动端统一尺寸与留白：仅使用 rem、百分比和自适应单位 */
@media (max-width: 36.25rem) {
  :root {
    --mobile-gutter: 1rem;
    --mobile-section-space: 3.5rem;
  }

  .wrap {
    width: calc(100% - (var(--mobile-gutter) * 2));
    max-width: none;
  }

  .site-header {
    height: 4rem;
  }

  .nav {
    gap: .75rem;
  }

  .brand {
    gap: .5rem;
    font-size: .9375rem;
  }

  .brand-mark {
    width: 2rem;
    height: 2rem;
  }

  .nav-download {
    min-height: 2.5rem;
    padding: .625rem .75rem;
    font-size: .75rem;
    border-radius: .625rem;
  }

  .hero.hero-inspired {
    padding: 2.625rem 0 2.125rem;
  }

  .hero-inspired .hero-grid {
    gap: 1.25rem;
    min-height: 0;
  }

  .hero-inspired .hero-copy h1 {
    font-size: clamp(2.25rem, 10.5vw, 2.75rem);
    line-height: 1.15;
  }

  .hero-inspired .hero-text {
    max-width: 20.5rem;
    margin: 1.125rem auto 1.375rem;
    font-size: .9375rem;
    line-height: 1.75;
  }

  .hero-inspired .actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .625rem;
    width: min(100%, 20.5rem);
    margin-inline: auto;
  }

  .hero-inspired .button {
    min-height: 2.875rem;
    padding: .75rem .875rem;
    font-size: .875rem;
    border-radius: .625rem;
  }

  .hero-inspired .hero-notes {
    gap: .75rem;
    margin-top: 1rem;
    font-size: .6875rem;
  }

  .hero-inspired .hero-visual.hero-composition {
    height: 20rem;
  }

  .hero-inspired .browser-stage {
    zoom: .6;
  }

  .hero-inspired .float-protect {
    top: 2.25rem;
    right: -.25rem;
  }

  .hero-inspired .float-speed {
    left: -.25rem;
    bottom: 2.75rem;
  }

  .trust-bar > .wrap {
    display: grid;
    gap: .875rem;
    min-height: 0;
    padding: 1.25rem 0 1.375rem;
  }

  .trust-bar p {
    margin: 0;
    text-align: center;
    font-size: .875rem;
    line-height: 1.5;
  }

  .trust-bar div {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .625rem;
  }

  .trust-bar .wrap > div > span {
    display: flex;
    justify-content: center;
    gap: .5rem;
    min-height: 2.75rem;
    padding: .5rem .625rem;
    border-radius: .75rem;
    background: #f5f8ff;
    font-size: .8125rem;
    line-height: 1.25;
  }

  .trust-bar b {
    width: 1.625rem;
    height: 1.625rem;
    border-radius: .5rem;
    font-size: .75rem;
  }

  .trust-bar .mini-icon .icon {
    width: .9375rem;
    height: .9375rem;
  }

  .section,
  .mobile-showcase,
  .privacy-section,
  .faq-section {
    padding: var(--mobile-section-space) 0;
  }

  .download-section {
    padding: 3.25rem 0;
  }

  .section-heading {
    margin-bottom: 1.5rem;
  }

  .section-heading h2,
  .privacy-copy h2,
  .faq-grid h2 {
    font-size: clamp(1.875rem, 8vw, 2.125rem);
    line-height: 1.25;
  }

  .section-heading > p,
  .privacy-copy > p,
  .faq-intro {
    margin-top: .75rem;
    font-size: .9375rem;
    line-height: 1.75;
  }

  .feature-grid {
    gap: .875rem;
  }

  .feature-card {
    min-height: 0;
    padding: 1.125rem;
    border-radius: .875rem;
  }

  .feature-icon {
    width: 2.5rem;
    height: 2.5rem;
    margin-bottom: .875rem;
    border-radius: .75rem;
    font-size: 1.125rem;
  }

  .feature-icon .icon {
    width: 1.25rem;
    height: 1.25rem;
  }

  .feature-card h3 {
    margin-bottom: .5rem;
    font-size: 1.0625rem;
  }

  .feature-card p,
  .screen-copy p,
  .steps p {
    font-size: .875rem;
    line-height: 1.7;
  }

  .feature-card a {
    margin-top: .875rem;
    font-size: .8125rem;
  }

  .screen-gallery,
  .app-gallery {
    gap: 1.5rem;
  }

  .app-gallery .screen-art {
    height: 13rem;
    padding: .625rem;
    border-radius: .875rem !important;
  }

  .app-gallery .screen-art > img {
    border-radius: .625rem;
  }

  .app-gallery .screen-copy {
    padding: 1rem .25rem 0;
  }

  .app-gallery .screen-copy h3 {
    margin-bottom: .5rem;
    font-size: 1.0625rem;
  }

  .privacy-grid,
  .faq-grid {
    gap: 1.5rem;
  }

  .privacy-copy > p {
    margin-bottom: 1rem;
  }

  .privacy-board {
    padding: 1.25rem;
    border-radius: .875rem;
  }

  .board-head {
    gap: .75rem;
    padding-bottom: 1rem;
  }

  .shield {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: .75rem;
  }

  .board-head strong {
    font-size: 1.75rem;
  }

  .board-line {
    padding-top: 1rem;
    font-size: .8125rem;
  }

  .board-foot {
    margin-top: 1rem;
    padding-top: .75rem;
    font-size: .75rem;
  }

  .steps article {
    grid-template-columns: 1.75rem 1fr;
    column-gap: .875rem;
    padding: 1.125rem .75rem;
  }

  .steps article > b {
    align-self: center;
    width: 1.75rem;
    height: 1.75rem;
    font-size: .75rem;
  }

  .steps article > h3 {
    align-self: center;
    font-size: 1.0625rem;
  }

  .steps article > p {
    margin-top: .5rem;
  }

  .faq-intro {
    margin-bottom: 1rem;
  }

  .faq-tags {
    gap: .5rem;
    margin-bottom: .25rem;
  }

  .faq-tags span {
    padding: .5rem .625rem;
    font-size: .75rem;
  }

  .faq-list details {
    padding: 1.125rem 0;
  }

  .faq-list summary {
    gap: .75rem;
    font-size: .9375rem;
    line-height: 1.55;
  }

  .faq-list p {
    margin-top: .75rem;
    font-size: .875rem;
    line-height: 1.75;
  }

  .download-box {
    padding: 1.5rem 1.25rem;
    border-radius: 1rem;
  }

  .download-box h2 {
    font-size: 1.625rem;
    line-height: 1.3;
  }

  .download-box p {
    margin-top: .625rem;
    font-size: .875rem;
    line-height: 1.65;
  }

  .download-actions {
    gap: .625rem;
    margin-top: 1.25rem;
  }

  .store-button {
    grid-template-columns: 1.5rem 1fr;
    column-gap: .5rem;
    min-height: 3.5rem;
    padding: .75rem;
    border-radius: .75rem;
  }

  .store-button > span .icon {
    width: 1.25rem;
    height: 1.25rem;
  }

  .store-button small {
    font-size: .625rem;
  }

  .store-button b {
    font-size: .875rem;
  }

  footer {
    padding: 1.5rem 0;
    font-size: .75rem;
  }

  .footer-row {
    gap: 1rem;
  }

  .footer-links {
    gap: 1rem;
  }
}