@charset "UTF-8";

:root {
  --ink: #101a36;
  --ink-soft: #263354;
  --paper: #f5f7fb;
  --white: #ffffff;
  --blue: #365ee8;
  --blue-dark: #2445ba;
  --mint: #8fe3cf;
  --mint-soft: #dff3ee;
  --coral: #ef6b5b;
  --yellow: #ffd65a;
  --line: #bec7d8;
  --muted: #68728a;
  --shadow: 5px 6px 0 rgba(16, 26, 54, 0.13);
  --header-height: 78px;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
}

body.menu-open {
  overflow: hidden;
}

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

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

button,
summary {
  font: inherit;
}

button {
  color: inherit;
}

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

h1,
h2,
h3,
p,
figure {
  margin: 0;
}

[hidden] {
  display: none !important;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 999;
  padding: 10px 14px;
  border-radius: 5px;
  background: var(--yellow);
  color: var(--ink);
  font-size: 14px;
  font-weight: 800;
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.content-shell,
.header-shell,
.footer-shell,
.download-shell {
  width: min(1380px, calc(100% - 48px));
  margin: 0 auto;
}

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 100;
  height: var(--header-height);
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  background: var(--ink);
  color: var(--white);
}

.header-shell {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 28px;
  height: 100%;
}

.site-brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  min-width: 0;
}

.site-brand img,
.footer-brand img {
  width: 44px;
  height: 44px;
  flex: 0 0 auto;
  border: 2px solid var(--mint);
  border-radius: 5px;
  object-fit: contain;
  background: var(--white);
}

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

.brand-copy strong,
.footer-brand strong {
  font-size: 16px;
  letter-spacing: 0.02em;
}

.brand-copy small,
.footer-brand small {
  margin-top: 4px;
  color: #c2cbe1;
  font-size: 12px;
  white-space: nowrap;
}

.site-nav {
  justify-self: end;
}

.site-nav ul {
  display: flex;
  align-items: center;
  gap: 4px;
}

.site-nav a {
  position: relative;
  display: block;
  padding: 10px 9px;
  color: #d9dfef;
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}

.site-nav a::after {
  position: absolute;
  right: 9px;
  bottom: 3px;
  left: 9px;
  height: 2px;
  background: var(--mint);
  content: "";
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 160ms ease;
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--white);
}

.site-nav a:hover::after,
.site-nav a.is-active::after {
  transform: scaleX(1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.header-download {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 17px;
  border: 1px solid var(--mint);
  border-radius: 5px;
  background: var(--mint);
  color: var(--ink);
  font-size: 13px;
  font-weight: 900;
  white-space: nowrap;
  box-shadow: 4px 4px 0 var(--blue);
  transition: background-color 160ms ease, color 160ms ease;
}

.header-download:hover {
  background: var(--yellow);
}

.mobile-download-text {
  display: none;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px;
  border: 1px solid var(--white);
  border-radius: 5px;
  background: transparent;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  margin: 5px 0;
  background: var(--white);
}

main {
  padding-top: var(--header-height);
}

section {
  scroll-margin-top: var(--header-height);
}

.hero {
  min-height: 720px;
  border-bottom: 1px solid var(--ink);
  background: #e9edff;
}

.hero-shell {
  display: grid;
  grid-template-columns: 88px minmax(400px, 0.88fr) minmax(500px, 1.12fr);
  width: min(1200px, 100%);
  min-height: 720px;
  margin: 0 auto;
}

.hero-index {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 54px 0 44px;
  border-right: 1px solid var(--ink);
  background: var(--mint);
  color: var(--ink);
}

.hero-index strong {
  font-size: 30px;
  line-height: 1;
}

.hero-index span {
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.16em;
  line-height: 1.5;
  writing-mode: vertical-rl;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
  padding: 76px clamp(34px, 4vw, 72px);
  background: var(--white);
}

.hero-kicker,
.section-index {
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.16em;
}

.hero h1 {
  margin-top: 18px;
  color: var(--ink);
  font-size: clamp(54px, 6vw, 96px);
  font-weight: 900;
  letter-spacing: -0.065em;
  line-height: 0.98;
  overflow-wrap: anywhere;
}

.hero-slogan {
  max-width: 580px;
  margin-top: 26px;
  color: var(--coral);
  font-size: clamp(25px, 2.25vw, 38px);
  font-weight: 900;
  line-height: 1.28;
}

.hero-description {
  max-width: 620px;
  margin-top: 20px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 2;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-top: 32px;
}

.primary-action {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  min-width: 255px;
  min-height: 54px;
  padding: 0 17px 0 20px;
  border: 1px solid var(--ink);
  border-radius: 5px;
  background: var(--blue);
  color: var(--white);
  font-size: 14px;
  font-weight: 900;
  box-shadow: 5px 5px 0 var(--ink);
  transition: background-color 160ms ease;
}

.primary-action:hover {
  background: var(--coral);
}

.primary-action b {
  font-size: 20px;
}

.text-action {
  border-bottom: 2px solid var(--ink);
  font-size: 14px;
  font-weight: 900;
}

.text-action:hover {
  color: var(--blue);
  border-color: var(--blue);
}

.hero-footnote {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.hero-footnote span {
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--paper);
  color: var(--muted);
  font-size: 12px;
}

.device-stage {
  position: relative;
  display: grid;
  place-items: center;
  min-width: 0;
  overflow: hidden;
  background: var(--blue);
}

.device-stage::before,
.device-stage::after {
  position: absolute;
  content: "";
}

.device-stage::before {
  top: 44px;
  right: 44px;
  bottom: 44px;
  left: 44px;
  border: 1px solid rgba(255, 255, 255, 0.45);
}

.device-stage::after {
  width: 250px;
  height: 250px;
  right: -80px;
  bottom: -90px;
  border: 42px solid var(--mint);
  border-radius: 50%;
}

.device-backdrop {
  position: absolute;
  width: min(470px, 72%);
  height: 520px;
  border: 2px solid var(--ink);
  border-radius: 5px;
  background: var(--yellow);
  box-shadow: 14px 14px 0 var(--coral);
}

.stage-note {
  position: absolute;
  z-index: 2;
  display: grid;
  gap: 4px;
  min-width: 110px;
  padding: 11px 14px;
  border: 2px solid var(--ink);
  border-radius: 5px;
  background: var(--white);
  color: var(--ink);
  box-shadow: 5px 5px 0 var(--ink);
}

.stage-note span {
  color: var(--coral);
  font-size: 12px;
  font-weight: 900;
}

.stage-note strong {
  font-size: 14px;
}

.stage-note-a {
  top: 102px;
  left: 6%;
}

.stage-note-b {
  right: 6%;
  bottom: 80px;
}

.phone {
  position: relative;
  z-index: 3;
  width: 334px;
  height: 638px;
  padding: 13px;
  border: 3px solid var(--ink);
  border-radius: 42px;
  background: var(--ink);
  box-shadow: 18px 20px 0 rgba(16, 26, 54, 0.2);
}

.phone-speaker {
  position: absolute;
  top: 8px;
  left: 50%;
  z-index: 4;
  width: 88px;
  height: 23px;
  border-radius: 0 0 14px 14px;
  background: var(--ink);
  transform: translateX(-50%);
}

.phone-screen {
  position: relative;
  height: 100%;
  overflow: hidden;
  border-radius: 31px;
  background: #f8f9fd;
}

.phone-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 36px;
  padding: 0 17px;
  color: var(--ink);
  font-size: 12px;
  font-weight: 900;
}

.phone-appbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 5px 14px 13px;
}

.phone-brand {
  display: flex;
  align-items: center;
  gap: 9px;
}

.phone-brand img {
  width: 40px;
  height: 40px;
  border: 1px solid var(--ink);
  border-radius: 5px;
  object-fit: contain;
  background: var(--white);
}

.phone-brand > span {
  display: grid;
  line-height: 1.22;
}

.phone-brand small {
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.phone-brand strong {
  margin-top: 3px;
  font-size: 17px;
}

.phone-count {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border: 1px solid var(--ink);
  border-radius: 50%;
  background: var(--yellow);
  font-size: 12px;
  font-weight: 900;
}

.phone-search {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 0 14px;
  padding: 10px 12px;
  border: 1px solid #cbd2e0;
  border-radius: 5px;
  background: var(--white);
  color: #8b93a6;
  font-size: 12px;
}

.phone-search b {
  color: var(--ink);
  font-size: 16px;
}

.phone-categories {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 10px 14px;
  border: 1px solid var(--ink);
  border-radius: 5px;
  overflow: hidden;
}

.phone-categories span {
  padding: 7px 2px;
  border-right: 1px solid var(--ink);
  background: var(--white);
  font-size: 12px;
  text-align: center;
}

.phone-categories span:last-child {
  border-right: 0;
}

.phone-categories .is-current {
  background: var(--mint);
  font-weight: 900;
}

.phone-feature {
  display: grid;
  grid-template-columns: 94px 1fr;
  gap: 11px;
  margin: 0 14px;
  padding: 8px;
  border: 1px solid var(--ink);
  border-radius: 5px;
  background: var(--white);
  box-shadow: 3px 3px 0 var(--mint);
}

.phone-feature-cover {
  height: 132px;
  padding: 4px;
  border-radius: 5px;
  background: #e7ebf5;
}

.phone-feature-cover img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.phone-feature-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

.phone-feature-copy small {
  color: var(--coral);
  font-size: 12px;
  font-weight: 900;
}

.phone-feature-copy h3 {
  margin-top: 4px;
  font-size: 18px;
  line-height: 1.35;
}

.phone-feature-copy p {
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
}

.phone-feature-copy > span {
  align-self: flex-start;
  margin-top: 10px;
  padding: 4px 8px;
  border-radius: 5px;
  background: var(--blue);
  color: var(--white);
  font-size: 12px;
  font-weight: 800;
}

.phone-section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 14px 14px 8px;
  font-size: 12px;
}

.phone-section-title span {
  color: var(--blue);
  font-weight: 800;
}

.phone-mini-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin: 0 14px;
}

.phone-mini-list article {
  min-width: 0;
  padding: 6px;
  border: 1px solid #d5dbea;
  border-radius: 5px;
  background: var(--white);
}

.phone-mini-list img {
  width: 100%;
  height: 92px;
  object-fit: contain;
  background: #eef1f7;
}

.phone-mini-list article > span {
  display: grid;
  margin-top: 5px;
  line-height: 1.35;
}

.phone-mini-list strong,
.phone-mini-list small {
  overflow: hidden;
  font-size: 12px;
  white-space: nowrap;
  text-overflow: clip;
}

.phone-mini-list small {
  color: var(--coral);
}

.phone-nav {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 8px 5px 10px;
  border-top: 1px solid #d5dbea;
  background: var(--white);
}

.phone-nav span {
  display: grid;
  gap: 2px;
  color: #8b93a6;
  font-size: 12px;
  text-align: center;
}

.phone-nav b {
  font-size: 15px;
}

.phone-nav .is-active {
  color: var(--blue);
  font-weight: 900;
}

.section-block {
  padding: 104px 0;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(300px, 0.8fr) minmax(320px, 1.2fr);
  align-items: end;
  gap: 80px;
  margin-bottom: 46px;
}

.section-heading h2,
.faq-intro h2,
.download-copy h2 {
  margin-top: 9px;
  font-size: clamp(38px, 4vw, 64px);
  font-weight: 900;
  letter-spacing: -0.05em;
  line-height: 1.08;
}

.section-heading > p {
  max-width: 620px;
  color: var(--muted);
  font-size: 15px;
}

.routes {
  background: var(--white);
}

.route-controls {
  display: grid;
  grid-template-columns: minmax(120px, 1fr) repeat(4, auto);
  align-items: stretch;
  margin-bottom: 24px;
  border: 1px solid var(--ink);
  border-radius: 5px;
  overflow: hidden;
  background: var(--paper);
}

.route-controls > span {
  display: flex;
  align-items: center;
  padding: 0 18px;
  background: var(--ink);
  color: var(--white);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.route-filter {
  min-height: 48px;
  padding: 0 24px;
  border: 0;
  border-left: 1px solid var(--ink);
  background: transparent;
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
}

.route-filter:hover,
.route-filter.is-active {
  background: var(--mint);
}

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

.route-card {
  display: grid;
  grid-template-columns: minmax(104px, 0.3fr) minmax(0, 0.7fr);
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--ink);
  border-radius: 5px;
  background: var(--paper);
  box-shadow: var(--shadow);
}

.route-card[hidden] {
  display: none;
}

.route-cover {
  min-width: 0;
  aspect-ratio: 3 / 4;
  padding: 10px;
  border-right: 1px solid var(--ink);
  background: #e3e8f5;
}

.route-cover img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

.route-copy {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: clamp(16px, 1.7vw, 25px);
}

.route-code {
  color: var(--coral);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.route-copy h3 {
  margin-top: 8px;
  font-size: clamp(22px, 2vw, 31px);
  line-height: 1.25;
}

.route-copy p {
  margin-top: 12px;
  color: var(--muted);
  font-size: 14px;
}

.route-copy > strong {
  margin-top: auto;
  padding-top: 24px;
  font-size: 13px;
}

.news {
  background: var(--mint-soft);
}

.news-heading .section-index {
  color: var(--coral);
}

.news-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.28fr) minmax(330px, 0.72fr);
  gap: 24px;
}

.news-lead {
  display: grid;
  grid-template-columns: minmax(240px, 0.78fr) minmax(300px, 1.22fr);
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--ink);
  border-radius: 5px;
  background: var(--white);
  box-shadow: 7px 7px 0 var(--blue);
}

.news-lead-visual {
  position: relative;
  display: grid;
  place-items: center;
  min-width: 0;
  padding: 42px 24px;
  border-right: 1px solid var(--ink);
  background: var(--blue);
}

.news-lead-visual img {
  width: min(240px, 100%);
  aspect-ratio: 3 / 4;
  object-fit: contain;
  background: var(--white);
  box-shadow: 9px 9px 0 var(--yellow);
}

.news-volume,
.news-caption {
  position: absolute;
  padding: 5px 8px;
  border-radius: 5px;
  background: var(--ink);
  color: var(--white);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.1em;
}

.news-volume {
  top: 17px;
  left: 17px;
}

.news-caption {
  right: 17px;
  bottom: 17px;
}

.news-lead-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(28px, 4vw, 58px);
}

.news-lead-copy > span {
  color: var(--coral);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.news-lead-copy h3 {
  margin-top: 12px;
  font-size: clamp(28px, 3vw, 46px);
  line-height: 1.25;
}

.news-lead-copy p {
  margin-top: 18px;
  color: var(--muted);
  font-size: 14px;
}

.news-lead-copy a {
  align-self: flex-start;
  margin-top: 28px;
  padding-bottom: 3px;
  border-bottom: 2px solid var(--ink);
  font-size: 13px;
  font-weight: 900;
}

.news-lead-copy a:hover {
  color: var(--blue);
  border-color: var(--blue);
}

.news-briefs {
  display: grid;
  gap: 14px;
}

.news-briefs article {
  display: grid;
  grid-template-columns: 64px 1fr;
  align-items: center;
  gap: 18px;
  min-width: 0;
  padding: 24px;
  border: 1px solid var(--ink);
  border-radius: 5px;
  background: var(--ink);
  color: var(--white);
}

.news-briefs article > span {
  display: grid;
  width: 58px;
  height: 58px;
  place-items: center;
  border: 1px solid var(--mint);
  border-radius: 50%;
  color: var(--mint);
  font-size: 14px;
  font-weight: 900;
}

.news-briefs small {
  color: var(--coral);
  font-size: 12px;
  font-weight: 900;
}

.news-briefs h3 {
  margin-top: 5px;
  font-size: 19px;
  line-height: 1.35;
}

.news-briefs p {
  margin-top: 7px;
  color: #c3cbe0;
  font-size: 13px;
}

.library {
  background: var(--ink);
  color: var(--white);
}

.library-heading .section-index {
  color: var(--mint);
}

.library-heading > p {
  color: #c3cbe0;
}

.library-board {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  min-height: 440px;
  border: 1px solid #65708d;
  border-radius: 5px;
  background: #182441;
  box-shadow: 8px 8px 0 var(--mint);
}

.library-tabs {
  display: grid;
  grid-template-rows: repeat(3, 1fr);
  border-right: 1px solid #65708d;
}

.library-tab {
  display: grid;
  grid-template-columns: 46px 1fr;
  align-content: center;
  gap: 2px 14px;
  padding: 22px;
  border: 0;
  border-bottom: 1px solid #65708d;
  background: transparent;
  color: var(--white);
  text-align: left;
  cursor: pointer;
}

.library-tab:last-child {
  border-bottom: 0;
}

.library-tab span {
  grid-row: 1 / 3;
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid #65708d;
  border-radius: 50%;
  color: var(--mint);
  font-size: 12px;
  font-weight: 900;
}

.library-tab strong {
  font-size: 18px;
}

.library-tab small {
  color: #9fa9c1;
  font-size: 12px;
}

.library-tab:hover,
.library-tab.is-active {
  background: var(--blue);
}

.library-tab.is-active span {
  border-color: var(--yellow);
  background: var(--yellow);
  color: var(--ink);
}

.library-tab.is-active small {
  color: var(--white);
}

.library-panels {
  min-width: 0;
  padding: 24px 30px;
}

.library-panel {
  display: grid;
  gap: 13px;
}

.shelf-row {
  display: grid;
  grid-template-columns: 44px 74px minmax(0, 1fr) auto;
  align-items: center;
  gap: 17px;
  min-width: 0;
  padding: 15px 17px;
  border: 1px solid #65708d;
  border-radius: 5px;
  background: #101a31;
}

.shelf-order {
  color: var(--mint);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.shelf-row img {
  width: 74px;
  height: 92px;
  padding: 4px;
  border-radius: 5px;
  object-fit: contain;
  background: var(--white);
}

.shelf-row > div {
  min-width: 0;
}

.shelf-row small {
  color: var(--coral);
  font-size: 12px;
  font-weight: 800;
}

.shelf-row h3 {
  margin-top: 3px;
  font-size: 19px;
}

.shelf-row p {
  color: #aeb8cf;
  font-size: 12px;
}

.shelf-row > strong {
  padding: 7px 10px;
  border: 1px solid var(--mint);
  border-radius: 5px;
  color: var(--mint);
  font-size: 12px;
  white-space: nowrap;
}

.screenshots {
  overflow: hidden;
  background: var(--coral);
}

.screenshot-heading .section-index {
  color: var(--ink);
}

.screenshot-heading > p {
  color: var(--ink-soft);
}

.screenshot-rail {
  display: flex;
  gap: 22px;
  max-width: 100%;
  padding: 8px 5px 20px;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scroll-snap-type: x proximity;
  scrollbar-color: var(--ink) rgba(255, 255, 255, 0.38);
  scrollbar-width: thin;
  cursor: grab;
}

.screenshot-rail.is-dragging {
  cursor: grabbing;
  user-select: none;
}

.screen-card {
  flex: 0 0 auto;
  width: 286px;
  scroll-snap-align: start;
  border: 1px solid var(--ink);
  border-radius: 5px;
  overflow: hidden;
  background: var(--white);
  box-shadow: 7px 7px 0 var(--ink);
}

.screen-frame {
  width: 250px;
  height: 450px;
  margin: 18px auto 0;
  border: 1px solid var(--ink);
  border-radius: 5px;
  overflow: hidden;
  background: #eef1f7;
}

.screen-frame img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

.screen-card figcaption {
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 1px 12px;
  padding: 18px;
  border-top: 1px solid var(--ink);
}

.screen-card figcaption > span {
  grid-row: 1 / 3;
  color: var(--blue);
  font-size: 22px;
  font-weight: 900;
  line-height: 1;
}

.screen-card figcaption strong {
  font-size: 16px;
}

.screen-card figcaption small {
  color: var(--muted);
  font-size: 12px;
}

.reviews {
  background: #edf0f7;
}

.review-heading .section-index {
  color: var(--coral);
}

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

.review-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 310px;
  padding: 24px;
  border: 1px solid var(--ink);
  border-radius: 5px;
  background: var(--white);
  box-shadow: 5px 6px 0 rgba(54, 94, 232, 0.15);
}

.review-card::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 74px;
  height: 5px;
  background: var(--blue);
  content: "";
}

.review-card header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.review-user {
  display: flex;
  align-items: center;
  min-width: 0;
  gap: 10px;
}

.review-avatar {
  display: block;
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  border: 1px solid var(--ink);
  border-radius: 50%;
  background-color: var(--mint);
  background-image: url("../icons/review-avatar.svg");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 24px 24px;
}

.review-user strong {
  font-size: 14px;
}

.review-stars {
  flex: 0 0 auto;
  color: var(--coral);
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.review-card > p {
  margin-top: 22px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 2;
}

.review-card time {
  align-self: flex-end;
  margin-top: auto;
  padding-top: 22px;
  color: var(--muted);
  font-size: 12px;
  text-align: right;
}

.faq {
  background: var(--white);
}

.faq-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.62fr) minmax(520px, 1.38fr);
  gap: clamp(54px, 8vw, 120px);
  align-items: start;
}

.faq-intro {
  position: sticky;
  top: calc(var(--header-height) + 34px);
}

.faq-intro .section-index {
  color: var(--blue);
}

.faq-intro p {
  margin-top: 22px;
  color: var(--muted);
  font-size: 15px;
}

.faq-note {
  display: grid;
  gap: 5px;
  margin-top: 34px;
  padding: 18px;
  border: 1px solid var(--ink);
  border-radius: 5px;
  background: var(--mint-soft);
  box-shadow: 5px 5px 0 var(--mint);
}

.faq-note strong {
  font-size: 13px;
}

.faq-note span {
  color: var(--muted);
  font-size: 12px;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-item {
  border: 1px solid var(--ink);
  border-radius: 5px;
  background: var(--paper);
  overflow: hidden;
}

.faq-item summary {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) 28px;
  align-items: center;
  gap: 14px;
  min-height: 74px;
  padding: 0 22px;
  cursor: pointer;
  list-style: none;
}

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

.faq-item summary > span {
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
}

.faq-item summary strong {
  font-size: 16px;
}

.faq-item summary b {
  position: relative;
  display: block;
  width: 22px;
  height: 22px;
}

.faq-item summary b::before,
.faq-item summary b::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 16px;
  height: 2px;
  background: var(--ink);
  content: "";
  transform: translate(-50%, -50%);
}

.faq-item summary b::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq-item[open] {
  background: var(--mint-soft);
}

.faq-item[open] summary {
  border-bottom: 1px solid var(--ink);
}

.faq-item[open] summary b::after {
  display: none;
}

.faq-answer {
  padding: 20px 84px 22px;
}

.faq-answer p {
  color: var(--ink-soft);
  font-size: 14px;
}

.faq-answer a {
  color: var(--blue);
  font-weight: 900;
  word-break: break-all;
}

.download {
  scroll-margin-top: var(--header-height);
  padding: 82px 0;
  background: var(--yellow);
}

.download-shell {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr) minmax(250px, 0.52fr);
  align-items: center;
  gap: 46px;
}

.download-mark {
  display: grid;
  width: 170px;
  height: 170px;
  place-items: center;
  align-content: center;
  border: 2px solid var(--ink);
  border-radius: 50%;
  background: var(--blue);
  color: var(--white);
  box-shadow: 10px 10px 0 var(--coral);
}

.download-mark span {
  font-size: 54px;
  font-weight: 900;
  line-height: 1;
}

.download-mark small {
  margin-top: 10px;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.24em;
}

.download-copy .section-index {
  color: var(--blue);
}

.download-copy p {
  max-width: 720px;
  margin-top: 18px;
  color: var(--ink-soft);
  font-size: 15px;
}

.download-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.download-tags span {
  padding: 5px 10px;
  border: 1px solid var(--ink);
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.42);
  font-size: 12px;
  font-weight: 800;
}

.download-action {
  display: grid;
  gap: 12px;
}

.download-action a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 62px;
  padding: 0 20px;
  border: 2px solid var(--ink);
  border-radius: 5px;
  background: var(--ink);
  color: var(--white);
  font-size: 14px;
  font-weight: 900;
  box-shadow: 6px 6px 0 var(--coral);
  transition: background-color 160ms ease;
}

.download-action a:hover {
  background: var(--blue);
}

.download-action b {
  font-size: 22px;
}

.download-action small {
  color: var(--ink-soft);
  font-size: 12px;
  text-align: right;
}

.site-footer {
  padding: 36px 0;
  background: var(--ink);
  color: var(--white);
}

.footer-shell {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 34px;
}

.footer-brand img {
  border-color: var(--coral);
}

.footer-nav {
  justify-self: center;
}

.footer-nav ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 7px 18px;
}

.footer-nav a {
  color: #d5dcef;
  font-size: 12px;
}

.footer-nav a:hover {
  color: var(--mint);
}

.copyright {
  color: #d5dcef;
  font-size: 12px;
  white-space: nowrap;
}

.back-to-top {
  position: fixed;
  right: 180px;
  bottom: 84px;
  z-index: 90;
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border: 2px solid var(--ink);
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 4px 4px 0 var(--ink);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity 160ms ease, background-color 160ms ease;
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.back-to-top:hover {
  background: var(--yellow);
}

.back-to-top i {
  display: block;
  width: 20px;
  height: 20px;
  background-image: url("../icons/arrow-up.svg");
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--coral);
  outline-offset: 3px;
}

@media (max-width: 1240px) {
  .header-shell {
    gap: 14px;
  }

  .site-nav a {
    padding-right: 6px;
    padding-left: 6px;
    font-size: 12px;
  }

  .hero-shell {
    grid-template-columns: 70px minmax(370px, 0.9fr) minmax(440px, 1.1fr);
  }

  .hero-copy {
    padding-right: 34px;
    padding-left: 34px;
  }

  .phone {
    width: 312px;
    height: 610px;
  }

  .device-backdrop {
    height: 490px;
  }

  .news-layout {
    grid-template-columns: 1fr;
  }

  .news-briefs {
    grid-template-columns: repeat(3, 1fr);
  }

  .news-briefs article {
    grid-template-columns: 52px 1fr;
    padding: 20px;
  }

  .news-briefs article > span {
    width: 48px;
    height: 48px;
  }
}

@media (max-width: 1040px) {
  :root {
    --header-height: 72px;
  }

  .menu-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    right: 24px;
    left: 24px;
    display: none;
    border: 1px solid var(--ink);
    border-top: 0;
    border-radius: 0 0 5px 5px;
    background: var(--white);
    color: var(--ink);
    box-shadow: 8px 8px 0 rgba(16, 26, 54, 0.18);
  }

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

  .site-nav ul {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
  }

  .site-nav li {
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }

  .site-nav li:nth-child(4n) {
    border-right: 0;
  }

  .site-nav a {
    padding: 15px 10px;
    color: var(--ink);
    font-size: 13px;
    text-align: center;
  }

  .site-nav a:hover,
  .site-nav a.is-active {
    background: var(--mint-soft);
    color: var(--ink);
  }

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

  .hero {
    min-height: auto;
  }

  .hero-shell {
    grid-template-columns: 64px minmax(350px, 0.92fr) minmax(390px, 1.08fr);
    min-height: 680px;
  }

  .hero-copy {
    padding: 64px 28px;
  }

  .hero h1 {
    font-size: clamp(48px, 6vw, 72px);
  }

  .hero-slogan {
    font-size: 26px;
  }

  .device-stage::before {
    right: 24px;
    left: 24px;
  }

  .stage-note {
    display: none;
  }

  .phone {
    width: 292px;
    height: 590px;
  }

  .phone-feature {
    grid-template-columns: 84px 1fr;
  }

  .route-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .route-card {
    grid-template-columns: minmax(108px, 0.32fr) minmax(0, 0.68fr);
  }

  .library-board {
    grid-template-columns: 250px minmax(0, 1fr);
  }

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

  .faq-layout {
    grid-template-columns: 300px minmax(0, 1fr);
    gap: 44px;
  }

  .download-shell {
    grid-template-columns: 140px minmax(0, 1fr) 250px;
    gap: 30px;
  }

  .download-mark {
    width: 140px;
    height: 140px;
  }

  .footer-shell {
    grid-template-columns: auto 1fr;
  }

  .copyright {
    grid-column: 1 / -1;
    justify-self: center;
  }
}

@media (max-width: 820px) {
  .content-shell,
  .header-shell,
  .footer-shell,
  .download-shell {
    width: min(100% - 32px, 680px);
  }

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

  .site-nav {
    right: 16px;
    left: 16px;
  }

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

  .site-nav li:nth-child(4n) {
    border-right: 1px solid var(--line);
  }

  .site-nav li:nth-child(2n) {
    border-right: 0;
  }

  .hero-shell {
    grid-template-columns: 1fr;
    width: 100%;
  }

  .hero-index {
    display: none;
  }

  .hero-copy {
    align-items: center;
    padding: 72px max(24px, calc((100% - 650px) / 2));
    text-align: center;
  }

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

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

  .hero-footnote {
    justify-content: center;
  }

  .device-stage {
    min-height: 690px;
  }

  .device-backdrop {
    width: 390px;
  }

  .phone {
    width: 326px;
    height: 620px;
  }

  .section-block {
    padding: 82px 0;
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 18px;
    margin-bottom: 34px;
  }

  .route-controls {
    grid-template-columns: repeat(4, 1fr);
  }

  .route-controls > span {
    grid-column: 1 / -1;
    min-height: 42px;
    justify-content: center;
  }

  .route-filter {
    padding: 0 8px;
    border-top: 1px solid var(--ink);
  }

  .route-filter:nth-of-type(1) {
    border-left: 0;
  }

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

  .route-card {
    grid-template-columns: minmax(120px, 0.3fr) minmax(0, 0.7fr);
  }

  .news-lead {
    grid-template-columns: minmax(210px, 0.72fr) minmax(280px, 1.28fr);
  }

  .news-briefs {
    grid-template-columns: 1fr;
  }

  .library-board {
    grid-template-columns: 1fr;
  }

  .library-tabs {
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: auto;
    border-right: 0;
    border-bottom: 1px solid #65708d;
  }

  .library-tab {
    grid-template-columns: 38px 1fr;
    border-right: 1px solid #65708d;
    border-bottom: 0;
  }

  .library-tab:last-child {
    border-right: 0;
  }

  .library-tab span {
    width: 36px;
    height: 36px;
  }

  .library-tab small {
    display: none;
  }

  .faq-layout {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .faq-intro {
    position: static;
  }

  .download-shell {
    grid-template-columns: 130px minmax(0, 1fr);
  }

  .download-mark {
    width: 130px;
    height: 130px;
  }

  .download-action {
    grid-column: 1 / -1;
    grid-template-columns: minmax(240px, 360px) auto;
    align-items: center;
    justify-content: end;
  }

  .footer-shell {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-brand,
  .footer-nav,
  .copyright {
    justify-self: center;
  }
}

@media (max-width: 560px) {
  :root {
    --header-height: 68px;
  }

  body {
    font-size: 15px;
  }

  .content-shell,
  .header-shell,
  .footer-shell,
  .download-shell {
    width: calc(100% - 28px);
  }

  .header-shell {
    gap: 8px;
  }

  .site-brand {
    gap: 8px;
  }

  .site-brand img {
    width: 38px;
    height: 38px;
  }

  .brand-copy strong {
    font-size: 14px;
  }

  .brand-copy small {
    margin-top: 2px;
    font-size: 12px;
  }

  .header-actions {
    gap: 7px;
  }

  .header-download {
    min-height: 40px;
    padding: 0 11px;
    box-shadow: 3px 3px 0 var(--blue);
  }

  .desktop-download-text {
    display: none;
  }

  .mobile-download-text {
    display: inline;
  }

  .menu-toggle {
    width: 40px;
    height: 40px;
    padding: 8px;
  }

  .site-nav {
    right: 14px;
    left: 14px;
  }

  .site-nav a {
    padding: 13px 6px;
    font-size: 12px;
  }

  .hero-copy {
    padding: 64px 18px 58px;
  }

  .hero-kicker {
    font-size: 12px;
  }

  .hero h1 {
    margin-top: 14px;
    font-size: clamp(48px, 17vw, 70px);
    letter-spacing: -0.055em;
    text-align: center;
  }

  .hero-slogan {
    margin-top: 22px;
    font-size: 25px;
    text-align: center;
  }

  .hero-description {
    margin-top: 18px;
    font-size: 14px;
    line-height: 1.9;
    text-align: center;
  }

  .hero-actions {
    width: 100%;
    flex-direction: column;
    gap: 18px;
    margin-top: 28px;
  }

  .primary-action {
    width: 100%;
    min-width: 0;
  }

  .hero-footnote {
    justify-content: center;
    margin-top: 26px;
  }

  .device-stage {
    min-height: 650px;
  }

  .device-stage::before {
    top: 30px;
    right: 14px;
    bottom: 30px;
    left: 14px;
  }

  .device-backdrop {
    width: calc(100% - 54px);
    height: 480px;
  }

  .phone {
    width: min(312px, calc(100% - 42px));
    height: 586px;
    padding: 11px;
    border-radius: 36px;
  }

  .phone-screen {
    border-radius: 27px;
  }

  .phone-feature {
    grid-template-columns: 82px 1fr;
  }

  .phone-feature-cover {
    height: 122px;
  }

  .section-block {
    padding: 70px 0;
  }

  .section-heading {
    text-align: center;
  }

  .section-heading h2,
  .faq-intro h2,
  .download-copy h2 {
    font-size: 42px;
  }

  .section-heading > p {
    font-size: 14px;
  }

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

  .route-controls > span {
    grid-column: 1 / -1;
  }

  .route-filter:nth-of-type(3) {
    border-left: 0;
  }

  .route-card {
    grid-template-columns: 116px minmax(0, 1fr);
  }

  .route-cover {
    padding: 7px;
  }

  .route-copy {
    padding: 17px;
  }

  .route-copy h3 {
    font-size: 22px;
  }

  .route-copy p {
    font-size: 13px;
  }

  .route-copy > strong {
    padding-top: 14px;
    font-size: 12px;
  }

  .news-lead {
    grid-template-columns: 1fr;
  }

  .news-lead-visual {
    min-height: 390px;
    border-right: 0;
    border-bottom: 1px solid var(--ink);
  }

  .news-lead-visual img {
    width: 230px;
    height: 300px;
  }

  .news-lead-copy {
    padding: 28px 22px;
    text-align: center;
  }

  .news-lead-copy h3 {
    font-size: 29px;
  }

  .news-lead-copy a {
    align-self: center;
  }

  .news-briefs article {
    grid-template-columns: 48px 1fr;
    padding: 18px;
  }

  .news-briefs h3 {
    font-size: 17px;
  }

  .library-heading {
    color: var(--white);
  }

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

  .library-tab {
    grid-template-columns: 40px 1fr;
    min-height: 68px;
    padding: 14px 18px;
    border-right: 0;
    border-bottom: 1px solid #65708d;
  }

  .library-tab:last-child {
    border-bottom: 0;
  }

  .library-panels {
    padding: 14px;
  }

  .shelf-row {
    grid-template-columns: 30px 62px minmax(0, 1fr);
    gap: 10px;
    padding: 12px;
  }

  .shelf-row img {
    width: 62px;
    height: 80px;
  }

  .shelf-row > strong {
    grid-column: 3;
    justify-self: start;
    padding: 4px 7px;
  }

  .screenshot-rail {
    width: calc(100% + 14px);
    margin-right: -14px;
    padding-right: 18px;
  }

  .screen-card {
    width: 278px;
  }

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

  .review-card {
    min-height: 0;
  }

  .faq-intro {
    text-align: center;
  }

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

  .faq-item summary {
    grid-template-columns: 36px minmax(0, 1fr) 24px;
    gap: 10px;
    min-height: 68px;
    padding: 0 16px;
  }

  .faq-item summary strong {
    font-size: 14px;
  }

  .faq-answer {
    padding: 17px 16px 19px 62px;
  }

  .download {
    padding: 66px 0;
  }

  .download-shell {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }

  .download-mark {
    width: 126px;
    height: 126px;
  }

  .download-copy p {
    font-size: 14px;
  }

  .download-tags {
    justify-content: center;
  }

  .download-action {
    grid-column: auto;
    grid-template-columns: 1fr;
    justify-content: stretch;
    width: 100%;
  }

  .download-action small {
    text-align: center;
  }

  .footer-nav ul {
    gap: 8px 15px;
  }

  .back-to-top {
    right: 14px;
    bottom: 146px;
  }

  a,
  button,
  summary {
    -webkit-tap-highlight-color: transparent;
    animation: none !important;
    transition: none !important;
  }
}

@media (max-width: 360px) {
  .content-shell,
  .header-shell,
  .footer-shell,
  .download-shell {
    width: calc(100% - 20px);
  }

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

  .brand-copy strong {
    font-size: 13px;
  }

  .header-download {
    padding: 0 8px;
    font-size: 12px;
  }

  .menu-toggle {
    width: 38px;
    height: 38px;
  }

  .hero h1 {
    font-size: 50px;
  }

  .hero-slogan {
    font-size: 22px;
  }

  .phone {
    width: calc(100% - 28px);
  }

  .route-card {
    grid-template-columns: 104px minmax(0, 1fr);
  }

  .route-copy {
    padding: 14px;
  }

  .route-copy p {
    line-height: 1.65;
  }

  .screen-card {
    width: 270px;
  }

  .screen-frame {
    width: 250px;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}