@charset "UTF-8";

:root {
  --blue: #1599f5;
  --blue-dark: #0878d2;
  --navy: #092642;
  --navy-soft: #163b5c;
  --pale: #f2f8fd;
  --paper: #ffffff;
  --muted: #60758a;
  --line: #cfe0ef;
  --orange: #ff8a00;
  --header-height: 78px;
  --content-width: 1200px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  padding-top: var(--header-height);
  overflow-x: clip;
  color: var(--navy);
  background: var(--paper);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  line-height: 1.65;
}

body.menu-open {
  overflow: hidden;
}

button,
input {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  color: inherit;
}

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

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

h1,
h2,
h3,
p,
ul {
  margin-top: 0;
}

ul {
  margin-bottom: 0;
  padding-left: 0;
  list-style: none;
}

[hidden] {
  display: none !important;
}

.icon {
  display: inline-block;
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
}

.icon-android {
  background-image: url("../icons/android.svg");
}

.icon-ios {
  background-image: url("../icons/ios.svg");
}

.icon-search {
  background-image: url("../icons/search.svg");
}

.icon-globe {
  background-image: url("../icons/globe.svg");
}

.icon-arrow {
  background-image: url("../icons/arrow.svg");
}

.icon-discover {
  background-image: url("../icons/discover.svg");
}

.icon-shelf {
  background-image: url("../icons/shelf.svg");
}

.icon-bell {
  background-image: url("../icons/bell.svg");
}

.icon-download {
  background-image: url("../icons/download.svg");
}

.site-header {
  position: fixed;
  z-index: 1000;
  top: 0;
  right: 0;
  left: 0;
  height: var(--header-height);
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  transform: translateZ(0);
}

.header-inner,
.content-inner,
.footer-inner {
  width: min(calc(100% - 40px), var(--content-width));
  margin-inline: auto;
}

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

.brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand img,
.footer-brand img {
  flex: 0 0 auto;
  border-radius: 12px;
}

.brand span,
.footer-brand span {
  display: grid;
  line-height: 1.2;
}

.brand strong {
  font-size: 22px;
}

.brand small,
.footer-brand small {
  margin-top: 5px;
  color: var(--muted);
  font-size: 11px;
}

.main-nav ul {
  display: flex;
  align-items: stretch;
  gap: 46px;
  height: var(--header-height);
}

.main-nav li,
.main-nav a {
  display: flex;
  align-items: center;
  height: 100%;
}

.main-nav a {
  position: relative;
  font-size: 15px;
  font-weight: 700;
}

.main-nav a::after {
  position: absolute;
  right: 0;
  bottom: 10px;
  left: 0;
  height: 3px;
  background: var(--blue);
  content: "";
  opacity: 0;
}

.main-nav a:hover,
.main-nav a:focus-visible,
.main-nav a.is-current {
  color: var(--blue-dark);
}

.main-nav a.is-current::after {
  opacity: 1;
}

.mobile-actions {
  display: none;
  align-items: center;
  gap: 10px;
}

.mobile-download {
  padding: 8px 13px;
  color: var(--paper);
  background: var(--blue);
  border: 1px solid var(--blue);
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}

.menu-toggle {
  display: grid;
  align-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 9px;
  background: var(--paper);
  border: 1px solid var(--navy);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--navy);
}

.hero {
  position: relative;
  overflow: hidden;
  background-color: var(--pale);
  background-image:
    linear-gradient(rgba(21, 153, 245, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(21, 153, 245, 0.08) 1px, transparent 1px);
  background-size: 42px 42px;
}

.hero::after {
  position: absolute;
  right: -80px;
  bottom: 60px;
  width: 340px;
  height: 1px;
  background: rgba(21, 153, 245, 0.32);
  content: "";
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(380px, 0.88fr);
  align-items: center;
  gap: 60px;
  width: min(calc(100% - 40px), var(--content-width));
  min-height: 680px;
  margin-inline: auto;
  padding: 48px 0;
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 590px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.eyebrow i {
  width: 22px;
  height: 4px;
  background: var(--orange);
}

.hero h1 {
  margin-bottom: 10px;
  font-size: clamp(58px, 6vw, 88px);
  line-height: 1.08;
  letter-spacing: -0.06em;
}

.hero-slogan {
  margin-bottom: 26px;
  font-size: clamp(25px, 2.5vw, 38px);
  font-weight: 800;
  line-height: 1.35;
}

.hero-description {
  max-width: 570px;
  margin-bottom: 36px;
  color: var(--muted);
  font-size: 16px;
}

.update-time {
  margin-top: 22px;
  color: #8dabc4;
  font-size: 13px;
}

.platform-availability {
  display: flex;
  align-items: center;
  gap: 26px;
}

.platform-availability a {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 15px;
  font-weight: 500;
  white-space: nowrap;
  color: #5a7a95;
  text-decoration: none;
  padding: 10px 20px;
  border-radius: 28px;
  background: rgba(21, 153, 245, 0.08);
  border: 1px solid rgba(21, 153, 245, 0.2);
  transition: all .3s ease;
  cursor: pointer;
}

.platform-availability a:hover {
  color: #fff;
  background: #1599f5;
  border-color: #1599f5;
  box-shadow: 0 4px 16px rgba(21, 153, 245, 0.3);
  transform: translateY(-2px);
}

.platform-availability a + a {
  margin-left: 12px;
}

.platform-availability a + a::before {
  display: none;
}

.phone-stage {
  position: relative;
  display: grid;
  align-items: center;
  justify-items: end;
  min-height: 590px;
}

.circuit {
  position: absolute;
  width: 150px;
  height: 90px;
  border-color: rgba(21, 153, 245, 0.38);
  border-style: solid;
}

.circuit::before {
  position: absolute;
  width: 8px;
  height: 8px;
  background: #a4d9fc;
  border-radius: 50%;
  content: "";
}

.circuit-one {
  top: 100px;
  left: -16px;
  border-width: 1px 1px 0 0;
}

.circuit-one::before {
  top: -4px;
  left: -4px;
}

.circuit-two {
  right: -18px;
  bottom: 84px;
  border-width: 0 0 1px 1px;
}

.circuit-two::before {
  right: -4px;
  bottom: -4px;
}

.phone-frame {
  position: relative;
  z-index: 2;
  width: 342px;
  padding: 13px;
  background: #111418;
  border: 3px solid #06080a;
  border-radius: 48px;
  box-shadow: 16px 20px 0 rgba(9, 38, 66, 0.12), 0 26px 55px rgba(9, 38, 66, 0.18);
}

.phone-frame::before {
  position: absolute;
  z-index: 3;
  top: 16px;
  left: 50%;
  width: 100px;
  height: 25px;
  background: #050608;
  border-radius: 18px;
  content: "";
  transform: translateX(-50%);
}

.phone-screen {
  min-height: 608px;
  overflow: hidden;
  background: var(--paper);
  border-radius: 34px;
}

.phone-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 46px;
  padding: 0 20px;
  color: #111418;
  font-size: 10px;
}

.phone-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 18px 12px;
}

.phone-heading strong {
  color: var(--blue);
  font-size: 21px;
}

.phone-heading .icon {
  width: 23px;
  height: 23px;
}

.phone-search {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 38px;
  margin: 0 18px 8px;
  padding: 0 12px;
  color: #8a99a8;
  background: #eef3f7;
  border-radius: 20px;
  font-size: 10px;
}

.phone-search .icon {
  width: 15px;
  height: 15px;
  opacity: 0.55;
}

.phone-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 0 18px 10px;
  text-align: center;
  font-size: 12px;
}

.phone-tabs b {
  position: relative;
  padding-bottom: 8px;
  color: var(--blue);
}

.phone-tabs b::after {
  position: absolute;
  right: 7px;
  bottom: 0;
  left: 7px;
  height: 2px;
  background: var(--blue);
  content: "";
}

.phone-featured {
  display: grid;
  grid-template-columns: 1fr 108px;
  align-items: center;
  min-height: 150px;
  margin: 0 18px 17px;
  overflow: hidden;
  color: var(--paper);
  background: var(--navy);
  border-radius: 14px;
}

.phone-featured div {
  display: grid;
  gap: 7px;
  padding: 18px;
}

.phone-featured small,
.phone-featured span {
  color: #bddcf4;
  font-size: 9px;
}

.phone-featured strong {
  font-size: 17px;
  line-height: 1.35;
}

.phone-featured img {
  width: 100%;
  height: 150px;
  padding: 6px;
  object-fit: contain;
  background: #dcebfa;
}

.phone-section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 18px 10px;
  font-size: 12px;
}

.phone-section-title span {
  color: var(--muted);
  font-size: 9px;
}

.phone-covers {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  padding: 0 18px;
}

.phone-covers article {
  min-width: 0;
}

.phone-covers img {
  width: 100%;
  height: 108px;
  object-fit: contain;
  background: #edf3f8;
  border-radius: 6px;
}

.phone-covers strong,
.phone-covers span {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.phone-covers strong {
  margin-top: 6px;
  font-size: 9px;
}

.phone-covers span {
  color: var(--muted);
  font-size: 8px;
}

.phone-bottom-nav {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 14px;
  padding: 13px 14px 14px;
  color: #6b7d8e;
  border-top: 1px solid #e3ebf2;
  text-align: center;
  font-size: 9px;
}

.phone-bottom-nav b {
  color: var(--blue);
}

.features {
  padding: 72px 0 70px;
}

.section-heading {
  display: grid;
  grid-template-columns: 55px auto 55px;
  align-items: center;
  justify-content: center;
  column-gap: 20px;
  margin-bottom: 48px;
  text-align: center;
}

.section-heading > span {
  width: 55px;
  height: 2px;
  background: var(--blue);
}

.section-heading h2 {
  margin-bottom: 0;
  font-size: clamp(30px, 3vw, 42px);
  line-height: 1.2;
}

.section-heading p {
  grid-column: 1 / -1;
  margin: 16px 0 0;
  color: var(--muted);
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
}

.feature-list article {
  display: flex;
  align-items: center;
  gap: 22px;
  min-width: 0;
  padding: 10px 42px;
}

.feature-list article + article {
  border-left: 1px solid var(--line);
}

.feature-list > article > .icon {
  width: 70px;
  height: 70px;
  padding: 18px;
  background-color: var(--paper);
  background-size: 37px;
  border: 2px solid var(--blue);
  border-radius: 50%;
}

.feature-list h3 {
  margin-bottom: 6px;
  font-size: 18px;
}

.feature-list p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 13px;
}

.screenshots-section {
  padding: 80px 0 60px;
}

.screenshots-scroll {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  margin-top: 36px;
}

.screenshots-scroll img {
  width: 100%;
  height: 360px;
  object-fit: contain;
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.download-section {
  padding: 30px 0 16px;
}

.download-console {
  display: grid;
  grid-template-columns: minmax(270px, 0.9fr) minmax(390px, 1.4fr);
  align-items: center;
  min-height: 190px;
  padding: 28px 32px;
  background: var(--pale);
  border: 1px solid #a8d3f5;
  border-radius: 14px;
  box-shadow: 0 16px 38px rgba(9, 78, 132, 0.07);
}

.download-intro {
  display: flex;
  align-items: center;
  gap: 18px;
  min-width: 0;
}

.download-mark {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  width: 64px;
  height: 64px;
  background: var(--blue);
  border-radius: 50%;
}

.download-mark .icon {
  width: 31px;
  height: 31px;
}

.download-intro h2 {
  margin-bottom: 8px;
  font-size: 26px;
}

.download-intro p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 12px;
}

.system-picker {
  padding: 0 32px;
  border-right: 1px solid #aac6dc;
  border-left: 1px solid #aac6dc;
}

.system-tabs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  overflow: hidden;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.system-radio {
  position: absolute;
  width: 0;
  height: 0;
  opacity: 0;
  pointer-events: none;
}

.system-label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-width: 0;
  height: 48px;
  padding: 0 14px;
  background: var(--paper);
  cursor: pointer;
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}

.system-label + .system-radio + .system-label {
  border-left: 1px solid var(--line);
}

.system-radio:checked + .system-label {
  color: var(--paper);
  background: var(--blue);
}

.system-radio:checked + .system-label .icon {
  filter: brightness(0) invert(1);
}

.system-tabs .icon {
  width: 20px;
  height: 20px;
}

.system-panel {
  display: none;
}

.system-picker:has(#tab-android:checked) .system-panel[data-panel="android"],
.system-picker:has(#tab-ios:checked) .system-panel[data-panel="ios"] {
  display: block;
}

.system-panel p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.system-picker strong {
  color: var(--blue-dark);
}

.system-panel .download-action {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-width: 0;
  min-height: 46px;
  margin-top: 14px;
  color: var(--paper);
  background: var(--blue);
  border: 1px solid var(--blue);
  border-radius: 8px;
  font-size: 16px;
  font-weight: 700;
  white-space: nowrap;
  text-decoration: none;
  transition: background .2s;
}

.system-panel .download-action:hover,
.system-panel .download-action:focus-visible {
  background: #0d85d9;
  border-color: #0d85d9;
}

.system-panel .download-action .icon {
  width: 18px;
  height: 18px;
  filter: brightness(0) invert(1);
}

.official-section {
  padding: 18px 0 50px;
}

.official-box {
  overflow: hidden;
  background: var(--paper);
  border: 2px solid var(--navy);
  border-radius: 10px;
}

.official-box h2 {
  margin: 0;
}

.official-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 92px;
  padding: 0 28px;
  background: var(--paper);
  border: 0;
  cursor: pointer;
  text-align: left;
}

.official-trigger > span {
  display: flex;
  align-items: center;
  gap: 15px;
}

.official-trigger .icon-globe {
  width: 30px;
  height: 30px;
}

.official-label {
  font-size: 22px;
  font-weight: 700;
}

.official-trigger > .icon-arrow {
  width: 24px;
  height: 24px;
}

.official-trigger[aria-expanded="true"] > .icon-arrow {
  transform: rotate(90deg);
}

.official-trigger:hover,
.official-trigger:focus-visible {
  background: var(--pale);
}

.official-answer {
  padding: 20px 28px;
  color: var(--muted);
  background: var(--pale);
  border-top: 1px solid var(--line);
}

.official-answer p {
  margin-bottom: 0;
}

.reviews-section {
  padding: 54px 0 66px;
  background: #f2f8fd;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.review-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.review-card {
  display: flex;
  flex-direction: column;
  min-height: 260px;
  padding: 24px;
  background: var(--paper);
  border: 1px solid #82bce5;
  border-radius: 8px;
}

.review-card > header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  color: var(--blue);
}

.review-quote {
  height: 38px;
  font-size: 44px;
  font-weight: 900;
  line-height: 1;
}

.review-card > header b {
  font-size: 13px;
  letter-spacing: 0.08em;
}

.review-card > p {
  flex: 1;
  margin: 14px 0 20px;
  color: var(--navy);
  font-size: 15px;
  line-height: 1.9;
}

.review-card > footer {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid #b9d9ef;
}

.review-avatar {
  display: grid;
  place-items: center;
  flex: 0 0 38px;
  width: 38px;
  height: 38px;
  color: var(--paper);
  background: var(--navy);
  border-radius: 50%;
  font-size: 13px;
  font-weight: 700;
}

.review-card footer strong,
.review-card footer time {
  display: block;
}

.review-card footer strong {
  margin-bottom: 3px;
  font-size: 13px;
}

.review-card footer time {
  color: var(--blue-dark);
  font-size: 11px;
}

.faq-section {
  padding: 60px 0 70px;
}

.section-heading-small {
  margin-bottom: 32px;
}

.section-heading-small h2 {
  font-size: 32px;
}

.faq-list {
  border: 1px solid var(--line);
  border-radius: 10px;
}

.faq-item + .faq-item {
  border-top: 1px solid var(--line);
}

.faq-item > button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 66px;
  padding: 0 24px;
  background: var(--paper);
  border: 0;
  cursor: pointer;
  text-align: left;
}

.faq-item > button:hover,
.faq-item > button:focus-visible,
.faq-item > button[aria-expanded="true"] {
  color: var(--blue-dark);
  background: var(--pale);
}

.faq-item > button .icon {
  width: 18px;
  height: 18px;
  transform: rotate(90deg);
}

.faq-item > button[aria-expanded="true"] .icon {
  transform: rotate(-90deg);
}

.faq-item > div {
  padding: 18px 24px 22px;
  color: var(--muted);
  background: #f9fcff;
  border-top: 1px solid var(--line);
}

.faq-item > div p {
  margin-bottom: 0;
}

.site-footer {
  color: var(--paper);
  background: var(--navy);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 28px;
  min-height: 164px;
  padding: 34px 0;
}

.footer-brand strong {
  font-size: 21px;
}

.footer-brand small {
  color: #a9c0d4;
}

.footer-inner ul {
  display: flex;
  gap: 34px;
}

.footer-inner a:hover,
.footer-inner a:focus-visible {
  color: #6fc4ff;
}

.footer-inner p {
  grid-column: 1 / -1;
  margin-bottom: 0;
  color: #a9c0d4;
  font-size: 12px;
  text-align: center;
}

.back-top {
  position: fixed;
  z-index: 900;
  right: 24px;
  bottom: 24px;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  padding: 10px;
  visibility: hidden;
  background: var(--blue);
  border: 1px solid var(--paper);
  border-radius: 50%;
  box-shadow: 0 8px 22px rgba(9, 38, 66, 0.24);
  cursor: pointer;
  opacity: 0;
}

.back-top.is-visible {
  visibility: visible;
  opacity: 1;
}

.back-top i {
  display: block;
  width: 22px;
  height: 22px;
  background: url("../images/top.png") center / contain no-repeat;
}

@media (max-width: 980px) {
  .main-nav ul {
    gap: 26px;
  }

  .hero-inner {
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 30px;
  }

  .phone-frame {
    width: 320px;
  }

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

  .feature-list article {
    padding-inline: 24px;
  }

  .download-console {
    grid-template-columns: 1fr 1.25fr;
    row-gap: 24px;
  }

}

@media (max-width: 760px) {
  :root {
    --header-height: 66px;
  }

  .header-inner,
  .content-inner,
  .footer-inner,
  .hero-inner {
    width: min(calc(100% - 28px), var(--content-width));
  }

  .brand {
    gap: 8px;
  }

  .brand img {
    width: 42px;
    height: 42px;
    border-radius: 10px;
  }

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

  .brand small {
    display: none;
  }

  .mobile-actions {
    display: flex;
  }

  .main-nav {
    position: fixed;
    z-index: 999;
    top: var(--header-height);
    right: 0;
    left: 0;
    display: none;
    padding: 12px 14px 18px;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 16px 25px rgba(9, 38, 66, 0.12);
  }

  .main-nav.is-open {
    display: block;
  }

  .main-nav ul {
    display: grid;
    gap: 0;
    height: auto;
  }

  .main-nav li,
  .main-nav a {
    height: auto;
  }

  .main-nav a {
    min-height: 50px;
    padding: 0 12px;
    border-bottom: 1px solid #e7eef5;
  }

  .main-nav a::after {
    display: none;
  }

  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 30px;
    padding: 54px 0 42px;
  }

  .hero-copy {
    max-width: none;
    text-align: center;
  }

  .eyebrow,
  .platform-availability {
    justify-content: center;
  }

  .hero h1 {
    font-size: clamp(48px, 16vw, 68px);
  }

  .hero-slogan {
    font-size: 25px;
  }

  .hero-description {
    margin-inline: auto;
    font-size: 14px;
  }

  .phone-stage {
    justify-items: center;
    min-height: 570px;
  }

  .phone-frame {
    width: min(100%, 320px);
  }

  .features {
    padding: 58px 0 46px;
  }

  .section-heading {
    grid-template-columns: 30px auto 30px;
    gap: 11px;
    margin-bottom: 35px;
  }

  .section-heading > span {
    width: 30px;
  }

  .section-heading h2 {
    font-size: 29px;
  }

  .section-heading p {
    font-size: 13px;
  }

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

  .feature-list article {
    padding: 22px 10px;
  }

  .feature-list article + article {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .screenshots-section {
    padding: 50px 0 40px;
  }

  .screenshots-scroll {
    display: flex;
    gap: 14px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 8px;
    margin-top: 24px;
  }

  .screenshots-scroll::-webkit-scrollbar {
    display: none;
  }

  .screenshots-scroll img {
    flex: 0 0 260px;
    height: 360px;
    object-fit: contain;
    scroll-snap-align: start;
    border-radius: 14px;
  }

  .download-section {
    padding-top: 24px;
  }

  .download-console {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
    padding: 25px 20px;
  }

  .download-intro {
    align-items: flex-start;
  }

  .download-intro h2 {
    font-size: 23px;
  }

  .system-picker {
    padding: 26px 0 0;
    border-top: 1px solid #aac6dc;
    border-right: 0;
    border-left: 0;
  }

  .system-tabs {
    grid-template-columns: 1fr;
  }

  .system-label + .system-radio + .system-label {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .official-section {
    padding-top: 16px;
  }

  .official-trigger {
    min-height: 76px;
    padding-inline: 18px;
  }

  .official-label {
    font-size: 17px;
  }

  .official-trigger .icon-globe {
    width: 25px;
    height: 25px;
  }

  .official-answer {
    padding: 18px;
    font-size: 14px;
  }

  .faq-section {
    padding-bottom: 50px;
  }

  .reviews-section {
    padding: 48px 0;
  }

  .review-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .review-card {
    min-height: 0;
    padding: 22px 20px;
  }

  .faq-item > button {
    min-height: 62px;
    padding-inline: 16px;
    font-size: 14px;
  }

  .faq-item > div {
    padding: 16px;
    font-size: 13px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    justify-items: center;
    gap: 24px;
    padding: 38px 0;
    text-align: center;
  }

  .footer-inner ul {
    justify-content: center;
    gap: 22px;
    flex-wrap: wrap;
  }

  .footer-inner p {
    grid-column: auto;
  }

  .back-top {
    right: 14px;
    bottom: 14px;
    width: 44px;
    height: 44px;
  }
}

@media (max-width: 390px) {
  .mobile-download {
    padding-inline: 10px;
    font-size: 12px;
  }

  .menu-toggle {
    width: 40px;
    height: 40px;
  }

  .platform-availability {
    gap: 15px;
  }

  .platform-availability a + a {
    margin-left: 10px;
  }

  .phone-stage {
    min-height: 545px;
  }

  .phone-frame {
    width: 292px;
  }

  .phone-screen {
    min-height: 550px;
  }

  .phone-covers img {
    height: 92px;
  }

  .download-mark {
    width: 54px;
    height: 54px;
  }

  .download-intro {
    gap: 13px;
  }
}

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