:root {
  --page: #f4f7fb;
  --surface: #ffffff;
  --surface-soft: #eef3f9;
  --ink: #111c34;
  --muted: #69758b;
  --line: rgba(17, 28, 52, 0.12);
  --blue: #285ce8;
  --blue-dark: #16328f;
  --blue-soft: #dce7ff;
  --lime: #b8e34a;
  --lime-soft: #e8f6bd;
  --cyan: #5bc8d8;
  --navy: #111a31;
  --purple: #7a6ce0;
  --container: 1180px;
  --radius-lg: 34px;
  --radius-md: 20px;
  --shadow-lg: 0 34px 90px rgba(39, 62, 116, 0.16);
  --shadow-md: 0 18px 50px rgba(39, 62, 116, 0.08);
  --header-height: 76px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--page);
  font-family: Arial, "Microsoft YaHei", "PingFang SC", sans-serif;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

body.nav-open {
  overflow: hidden;
}

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

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

button,
input {
  font: inherit;
}

button {
  color: inherit;
}

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

.section {
  padding: 108px 0;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 9999;
  padding: 11px 16px;
  color: #fff;
  background: #000;
  border-radius: 8px;
  transform: translateY(-150%);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid rgba(17, 28, 52, 0.08);
  backdrop-filter: blur(16px);
  transition: background 180ms ease, box-shadow 180ms ease;
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 13px 36px rgba(39, 62, 116, 0.08);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 25px;
}

.brand {
  min-width: 265px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand img {
  width: 104px;
  height: 42px;
  object-fit: contain;
}

.brand > span {
  padding-left: 14px;
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--line);
  line-height: 1.2;
}

.brand strong {
  color: var(--blue);
  font-size: 10px;
  letter-spacing: 0.11em;
}

.brand small {
  margin-top: 5px;
  color: var(--muted);
  font-size: 10px;
}

.site-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 23px;
}

.site-nav a {
  position: relative;
  color: #4f5c74;
  font-size: 12px;
  font-weight: 700;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 2px;
  content: "";
  background: var(--blue);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 180ms ease;
}

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

.header-cta {
  padding: 11px 18px;
  color: #fff;
  background: var(--blue);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 900;
  transition: transform 180ms ease, background 180ms ease;
}

.header-cta:hover,
.header-cta:focus-visible {
  background: var(--blue-dark);
  transform: translateY(-2px);
}

.nav-toggle {
  width: 46px;
  height: 42px;
  margin-left: auto;
  padding: 0;
  display: none;
  place-content: center;
  gap: 5px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 12px;
  cursor: pointer;
}

.nav-toggle span {
  width: 21px;
  height: 2px;
  display: block;
  background: var(--ink);
  transition: transform 180ms ease, opacity 180ms ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 84% 14%, rgba(40, 92, 232, 0.14), transparent 31%),
    linear-gradient(145deg, #f9fbff 0%, #edf3fb 100%);
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.hero-orb--one {
  top: -180px;
  right: -80px;
  width: 470px;
  height: 470px;
  background: radial-gradient(circle, rgba(184, 227, 74, 0.28), transparent 68%);
}

.hero-orb--two {
  bottom: -220px;
  left: 22%;
  width: 430px;
  height: 430px;
  background: radial-gradient(circle, rgba(91, 200, 216, 0.18), transparent 68%);
}

.hero-inner {
  position: relative;
  z-index: 1;
  min-height: 760px;
  padding-top: 82px;
  padding-bottom: 112px;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  align-items: center;
  gap: 75px;
}

.hero-kicker {
  margin-bottom: 22px;
  display: inline-block;
  color: var(--blue);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.16em;
}

.hero h1 {
  max-width: 750px;
  margin: 0;
  color: var(--ink);
  font-size: clamp(49px, 5.5vw, 79px);
  line-height: 1.03;
  letter-spacing: -0.055em;
}

.hero h1 span {
  margin-top: 16px;
  display: block;
  color: var(--blue);
  font-size: clamp(24px, 2.9vw, 39px);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.035em;
}

.hero-lead {
  max-width: 700px;
  margin: 27px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.95;
}

.hero-actions {
  margin-top: 33px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.primary-cta {
  min-width: 280px;
  min-height: 68px;
  padding: 10px 17px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  color: #fff;
  background: var(--blue);
  border-radius: 18px;
  box-shadow: 0 20px 45px rgba(40, 92, 232, 0.18);
  transition: transform 180ms ease, background 180ms ease;
}

.primary-cta:hover,
.primary-cta:focus-visible {
  background: var(--blue-dark);
  transform: translateY(-4px);
}

.primary-cta > span {
  display: flex;
  flex-direction: column;
}

.primary-cta small {
  color: var(--blue-soft);
  font-size: 8px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.primary-cta strong {
  margin-top: 4px;
  font-size: 13px;
}

.primary-cta i {
  font-style: normal;
  font-size: 19px;
}

.secondary-cta {
  color: var(--blue-dark);
  font-size: 11px;
  font-weight: 900;
  border-bottom: 1px solid rgba(40, 92, 232, 0.45);
}

.detected-device {
  margin-top: 23px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 11px;
}

.detected-device > span {
  width: 8px;
  height: 8px;
  display: inline-block;
  background: var(--lime);
  border-radius: 50%;
  box-shadow: 0 0 0 6px rgba(184, 227, 74, 0.18);
}

.hero-bento {
  min-height: 535px;
  display: grid;
  grid-template-columns: 1fr 150px;
  grid-template-rows: 1fr 1fr;
  gap: 14px;
}

.hero-bento__main {
  grid-row: 1 / 3;
  padding: 19px;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid rgba(17, 28, 52, 0.09);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.hero-bento__head {
  min-height: 43px;
  padding: 0 7px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--muted);
  font-size: 8px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.hero-bento__head strong {
  color: var(--blue);
}

.hero-bento__image {
  min-height: 340px;
  display: grid;
  place-items: center;
  overflow: hidden;
  background:
    radial-gradient(circle at center, rgba(40, 92, 232, 0.11), transparent 58%),
    var(--surface-soft);
  border: 1px solid rgba(17, 28, 52, 0.08);
  border-radius: 26px;
}

.hero-bento__image img {
  width: 93%;
  max-height: 350px;
  object-fit: contain;
}

.hero-bento__footer {
  min-height: 79px;
  padding: 14px 7px 3px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.hero-bento__footer > div {
  display: flex;
  flex-direction: column;
}

.hero-bento__footer span {
  color: var(--blue);
  font-size: 7px;
  font-weight: 900;
  letter-spacing: 0.1em;
}

.hero-bento__footer strong {
  margin-top: 4px;
  font-size: 9px;
}

.hero-bento__mini {
  padding: 17px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  border-radius: 24px;
  box-shadow: var(--shadow-md);
}

.hero-bento__mini > span {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--navy);
  border-radius: 11px;
  font-size: 9px;
  font-weight: 900;
}

.hero-bento__mini strong {
  margin-top: auto;
  font-size: 13px;
}

.hero-bento__mini small {
  margin-top: 4px;
  color: rgba(17, 28, 52, 0.58);
  font-size: 8px;
}

.hero-bento__mini--lime {
  background: var(--lime);
}

.hero-bento__mini--blue {
  color: #fff;
  background: var(--blue);
}

.hero-bento__mini--blue > span {
  color: var(--blue);
  background: #fff;
}

.hero-bento__mini--blue small {
  color: rgba(255, 255, 255, 0.6);
}

.hero-links {
  position: relative;
  z-index: 3;
  margin-bottom: -43px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  overflow: hidden;
  background: var(--navy);
  border-radius: 22px;
  box-shadow: 0 24px 65px rgba(17, 26, 49, 0.2);
}

.hero-links a {
  min-height: 90px;
  padding: 17px 20px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  color: #fff;
  border-right: 1px solid rgba(255, 255, 255, 0.09);
  transition: background 180ms ease;
}

.hero-links a:last-child {
  border-right: 0;
}

.hero-links a:hover,
.hero-links a:focus-visible {
  background: rgba(40, 92, 232, 0.22);
}

.hero-links span,
.hero-links strong {
  grid-column: 1;
}

.hero-links span {
  color: var(--lime);
  font-size: 8px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.hero-links strong {
  margin-top: 5px;
  font-size: 12px;
}

.hero-links i {
  grid-column: 2;
  grid-row: 1 / 3;
  font-style: normal;
  font-size: 18px;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 44px;
}

.section-heading--center {
  margin-inline: auto;
  text-align: center;
}

.section-heading--split {
  max-width: none;
  display: grid;
  grid-template-columns: 1fr 0.72fr;
  align-items: end;
  gap: 75px;
}

.section-kicker {
  margin-bottom: 12px;
  display: inline-block;
  color: var(--blue);
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.16em;
}

.section-heading h2,
.ready-copy h2,
.compare-copy h2,
.showcase-copy h2,
.faq-copy h2 {
  margin: 0;
  font-size: clamp(34px, 4.2vw, 53px);
  line-height: 1.15;
  letter-spacing: -0.04em;
}

.section-heading p,
.ready-copy > p,
.compare-copy > p,
.showcase-copy > p,
.faq-copy > p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.95;
}

.section-heading:not(.section-heading--split) p,
.ready-copy > p,
.compare-copy > p,
.showcase-copy > p,
.faq-copy > p {
  margin-top: 17px;
}

.download-section {
  padding-top: 145px;
  background: var(--page);
}

.device-selector {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 13px;
}

.device-selector button {
  min-height: 150px;
  padding: 21px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  cursor: pointer;
  text-align: left;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.device-selector button:hover,
.device-selector button.is-active {
  background: #f7f9ff;
  border-color: rgba(40, 92, 232, 0.48);
  transform: translateY(-5px);
}

.device-selector span {
  color: var(--blue);
  font-size: 8px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.device-selector strong {
  margin-top: 15px;
  font-size: 16px;
}

.device-selector small {
  margin-top: 6px;
  color: var(--muted);
  font-size: 9px;
}

.device-panels {
  margin-top: 15px;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 26px;
  box-shadow: var(--shadow-md);
}

.device-panels article {
  min-height: 430px;
  padding: 42px;
  display: grid;
  grid-template-columns: 1fr 240px;
  align-items: center;
  gap: 70px;
}

.device-panels article[hidden] {
  display: none;
}

.device-panel__copy > span {
  color: var(--blue);
  font-size: 8px;
  font-weight: 900;
  letter-spacing: 0.13em;
}

.device-panel__copy h3 {
  margin: 13px 0 0;
  font-size: 31px;
  line-height: 1.2;
}

.device-panel__copy p {
  max-width: 700px;
  margin: 15px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.95;
}

.device-panel__copy ul {
  margin: 24px 0 0;
  padding: 20px 0 0;
  display: grid;
  gap: 9px;
  list-style: none;
  border-top: 1px solid var(--line);
}

.device-panel__copy li {
  position: relative;
  padding-left: 21px;
  color: #4f5b72;
  font-size: 10px;
}

.device-panel__copy li::before {
  position: absolute;
  top: 0.67em;
  left: 0;
  width: 8px;
  height: 8px;
  content: "";
  background: var(--lime);
  border-radius: 50%;
  transform: translateY(-50%);
}

.device-panel__actions {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 11px;
}

.device-panel__actions a {
  padding: 11px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 9px;
  font-weight: 900;
}

.device-panel__actions a:last-child {
  color: #fff;
  background: var(--blue);
  border-color: var(--blue);
}

.device-panel__badge {
  min-height: 255px;
  padding: 25px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  color: #fff;
  background:
    radial-gradient(circle at 30% 20%, rgba(184, 227, 74, 0.25), transparent 35%),
    var(--navy);
  border-radius: 25px;
}

.device-panel__badge > span {
  width: 68px;
  height: 68px;
  display: grid;
  place-items: center;
  color: var(--navy);
  background: var(--lime);
  border-radius: 20px;
  font-size: 21px;
  font-weight: 900;
}

.device-panel__badge strong {
  margin-top: auto;
  font-size: 20px;
}

.device-panel__badge small {
  margin-top: 5px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 8px;
  letter-spacing: 0.12em;
}

.ready-section {
  color: #fff;
  background:
    radial-gradient(circle at 16% 18%, rgba(184, 227, 74, 0.11), transparent 31%),
    var(--navy);
}

.ready-layout {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  align-items: center;
  gap: 78px;
}

.ready-copy > p {
  color: rgba(255, 255, 255, 0.57);
}

.ready-progress {
  margin-top: 31px;
  padding: 21px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 18px;
}

.ready-progress > div:first-child {
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

.ready-progress span,
.ready-progress strong {
  font-size: 10px;
}

.ready-progress strong {
  color: var(--lime);
}

.ready-progress i {
  font-style: normal;
}

.progress-track {
  height: 8px;
  margin-top: 13px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 999px;
}

.progress-track span {
  width: 0;
  height: 100%;
  display: block;
  background: linear-gradient(90deg, var(--lime), var(--cyan));
  border-radius: inherit;
  transition: width 240ms ease;
}

.ready-progress p {
  margin: 10px 0 0;
  color: rgba(255, 255, 255, 0.48);
  font-size: 9px;
}

.ready-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.ready-grid label {
  min-height: 150px;
  position: relative;
  padding: 20px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: start;
  gap: 14px;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 18px;
  cursor: pointer;
}

.ready-grid label:has(input:checked) {
  background: rgba(184, 227, 74, 0.1);
  border-color: rgba(184, 227, 74, 0.5);
}

.ready-grid input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.ready-index {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  color: var(--navy);
  background: var(--lime);
  border-radius: 12px;
  font-size: 9px;
  font-weight: 900;
}

.ready-grid label > span:nth-of-type(2) {
  display: flex;
  flex-direction: column;
}

.ready-grid small {
  color: var(--lime);
  font-size: 8px;
  font-weight: 900;
  letter-spacing: 0.11em;
}

.ready-grid strong {
  margin-top: 5px;
  font-size: 12px;
}

.ready-grid p {
  margin: 5px 0 0;
  color: rgba(255, 255, 255, 0.5);
  font-size: 9px;
}

.ready-grid label > i {
  width: 28px;
  height: 28px;
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 50%;
}

.ready-grid input:checked ~ i {
  background: var(--lime);
  border-color: var(--lime);
}

.ready-grid input:checked ~ i::after {
  position: absolute;
  top: 7px;
  left: 7px;
  width: 9px;
  height: 5px;
  content: "";
  border-bottom: 2px solid var(--navy);
  border-left: 2px solid var(--navy);
  transform: rotate(-45deg);
}

.steps-section {
  background: var(--surface);
}

.steps-track {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.steps-track article {
  min-height: 275px;
  padding: 24px;
  position: relative;
  overflow: hidden;
  background: var(--page);
  border: 1px solid var(--line);
  border-radius: 21px;
}

.steps-track article::after {
  position: absolute;
  right: -45px;
  bottom: -45px;
  width: 125px;
  height: 125px;
  content: "";
  background: rgba(40, 92, 232, 0.08);
  border-radius: 50%;
}

.steps-track article > span {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  color: var(--navy);
  background: var(--lime);
  border-radius: 15px;
  font-size: 10px;
  font-weight: 900;
}

.steps-track small {
  position: relative;
  z-index: 1;
  margin-top: 35px;
  display: block;
  color: var(--blue);
  font-size: 8px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.steps-track h3 {
  position: relative;
  z-index: 1;
  margin: 9px 0 0;
  font-size: 18px;
}

.steps-track p {
  position: relative;
  z-index: 1;
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.9;
}

.compare-section {
  background: #e7edf7;
}

.compare-layout {
  display: grid;
  grid-template-columns: 0.67fr 1.33fr;
  align-items: center;
  gap: 70px;
}

.compare-copy a {
  margin-top: 26px;
  display: inline-flex;
  color: var(--blue);
  font-size: 10px;
  font-weight: 900;
  border-bottom: 1px solid var(--blue);
}

.compare-table {
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 22px;
}

.compare-row {
  min-height: 76px;
  display: grid;
  grid-template-columns: 1fr 0.95fr 1.3fr;
  align-items: center;
  border-bottom: 1px solid var(--line);
}

.compare-row:last-child {
  border-bottom: 0;
}

.compare-row > * {
  height: 100%;
  padding: 18px 20px;
  display: flex;
  align-items: center;
  border-right: 1px solid var(--line);
}

.compare-row > *:last-child {
  border-right: 0;
}

.compare-row span {
  color: var(--muted);
  font-size: 10px;
}

.compare-row strong {
  font-size: 11px;
}

.compare-row--head {
  color: #fff;
  background: var(--navy);
}

.compare-row--head span {
  color: rgba(255, 255, 255, 0.66);
  font-weight: 900;
}

.showcase-section {
  background: var(--surface);
}

.showcase-inner {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 78px;
}

.showcase-image {
  min-height: 440px;
  display: grid;
  place-items: center;
  overflow: hidden;
  background:
    radial-gradient(circle at center, rgba(40, 92, 232, 0.11), transparent 58%),
    var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: 30px;
}

.showcase-image img {
  width: 90%;
  max-height: 450px;
  object-fit: contain;
}

.showcase-actions {
  margin-top: 27px;
  display: flex;
  flex-wrap: wrap;
  gap: 11px;
}

.showcase-actions a {
  padding: 11px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 9px;
  font-weight: 900;
}

.showcase-actions a:first-child {
  color: #fff;
  background: var(--blue);
  border-color: var(--blue);
}

.faq-section {
  background: var(--page);
}

.faq-layout {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  align-items: start;
  gap: 86px;
}

.faq-copy {
  position: sticky;
  top: calc(var(--header-height) + 32px);
}

.faq-download {
  margin-top: 27px;
  padding: 11px 17px;
  display: inline-flex;
  color: #fff;
  background: var(--blue);
  border-radius: 999px;
  font-size: 10px;
  font-weight: 900;
}

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

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

.faq-list summary {
  min-height: 83px;
  padding: 20px 2px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  list-style: none;
  cursor: pointer;
  font-size: 14px;
  font-weight: 800;
}

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

.faq-list summary i {
  width: 31px;
  height: 31px;
  position: relative;
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 50%;
}

.faq-list summary i::before,
.faq-list summary i::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 11px;
  height: 1px;
  content: "";
  background: var(--ink);
  transform: translate(-50%, -50%);
}

.faq-list summary i::after {
  transform: translate(-50%, -50%) rotate(90deg);
  transition: transform 180ms ease;
}

.faq-list details[open] summary i {
  background: var(--lime);
  border-color: var(--lime);
}

.faq-list details[open] summary i::after {
  transform: translate(-50%, -50%) rotate(0);
}

.faq-list details > div {
  padding: 0 52px 24px 2px;
}

.faq-list p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.95;
}

.final-cta {
  padding: 77px 0;
  color: #fff;
  background:
    radial-gradient(circle at 84% 18%, rgba(184, 227, 74, 0.13), transparent 33%),
    var(--navy);
}

.final-cta__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 55px;
}

.final-cta__inner > div > span {
  color: var(--lime);
  font-size: 8px;
  font-weight: 900;
  letter-spacing: 0.15em;
}

.final-cta h2 {
  max-width: 760px;
  margin: 10px 0 0;
  font-size: clamp(31px, 4.2vw, 49px);
  line-height: 1.17;
  letter-spacing: -0.04em;
}

.final-cta p {
  max-width: 670px;
  margin: 13px 0 0;
  color: rgba(255, 255, 255, 0.57);
  font-size: 11px;
}

.final-cta__inner > a {
  min-width: 250px;
  min-height: 74px;
  padding: 13px 17px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  color: var(--navy);
  background: var(--lime);
  border-radius: 18px;
  transition: transform 180ms ease, background 180ms ease;
}

.final-cta__inner > a:hover,
.final-cta__inner > a:focus-visible {
  background: #d3f17b;
  transform: translateX(5px);
}

.final-cta__inner > a span,
.final-cta__inner > a strong {
  grid-column: 1;
}

.final-cta__inner > a span {
  font-size: 8px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.final-cta__inner > a strong {
  margin-top: 3px;
  font-size: 13px;
}

.final-cta__inner > a i {
  grid-column: 2;
  grid-row: 1 / 3;
  font-style: normal;
  font-size: 20px;
}

.site-footer {
  color: rgba(255, 255, 255, 0.62);
  background: #0b1122;
}

.footer-main {
  padding-top: 64px;
  padding-bottom: 50px;
  display: grid;
  grid-template-columns: 1.3fr 0.7fr 0.7fr 1fr;
  gap: 46px;
}

.footer-brand img {
  width: 120px;
  height: 46px;
  object-fit: contain;
  object-position: left center;
  filter: brightness(1.12);
}

.footer-brand p {
  max-width: 330px;
  margin: 17px 0 0;
  font-size: 10px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.footer-links strong {
  margin-bottom: 5px;
  color: #fff;
  font-size: 10px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.5);
  font-size: 9px;
}

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

.footer-action {
  padding: 18px;
  display: flex;
  flex-direction: column;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 17px;
}

.footer-action span {
  color: var(--lime);
  font-size: 8px;
  font-weight: 900;
  letter-spacing: 0.11em;
}

.footer-action strong {
  margin-top: 6px;
  color: #fff;
  font-size: 11px;
}

.footer-action a {
  margin-top: 12px;
  color: var(--blue-soft);
  font-size: 9px;
  font-weight: 900;
}

.footer-bottom {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 25px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-bottom p {
  margin: 0;
  font-size: 8px;
}

.mobile-download {
  position: fixed;
  right: 12px;
  bottom: 12px;
  left: 12px;
  z-index: 1001;
  min-height: 64px;
  padding: 9px 9px 9px 16px;
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  color: #fff;
  background: rgba(11, 17, 34, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 17px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(15px);
}

.mobile-download > div {
  display: flex;
  flex-direction: column;
}

.mobile-download small {
  color: var(--lime);
  font-size: 8px;
  font-weight: 900;
  letter-spacing: 0.1em;
}

.mobile-download strong {
  margin-top: 3px;
  font-size: 11px;
}

.mobile-download a {
  min-width: 95px;
  padding: 11px 14px;
  color: var(--navy);
  background: var(--lime);
  border-radius: 11px;
  text-align: center;
  font-size: 10px;
  font-weight: 900;
}

:focus-visible {
  outline: 3px solid rgba(40, 92, 232, 0.42);
  outline-offset: 3px;
}

@media (max-width: 1080px) {
  .site-nav {
    gap: 17px;
  }

  .hero-inner {
    gap: 45px;
  }

  .ready-layout,
  .compare-layout,
  .showcase-inner {
    gap: 45px;
  }

  .footer-main {
    gap: 28px;
  }
}

@media (max-width: 920px) {
  :root {
    --header-height: 68px;
  }

  .section {
    padding: 84px 0;
  }

  .brand > span,
  .header-cta {
    display: none;
  }

  .nav-toggle {
    display: grid;
  }

  .site-nav {
    position: fixed;
    top: var(--header-height);
    right: 0;
    bottom: 0;
    left: 0;
    margin: 0;
    padding: 31px 24px;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 3px;
    visibility: hidden;
    background: rgba(255, 255, 255, 0.99);
    opacity: 0;
    transform: translateY(-15px);
    transition: opacity 180ms ease, transform 180ms ease, visibility 180ms ease;
  }

  .site-nav.is-open {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
  }

  .site-nav a {
    padding: 14px 4px;
    border-bottom: 1px solid var(--line);
  }

  .hero-inner {
    padding-top: 72px;
    padding-bottom: 120px;
    grid-template-columns: 1fr;
    gap: 65px;
  }

  .hero-copy {
    max-width: 760px;
  }

  .hero-bento {
    width: min(100%, 700px);
    margin-inline: auto;
  }

  .section-heading--split,
  .ready-layout,
  .compare-layout,
  .showcase-inner,
  .faq-layout {
    grid-template-columns: 1fr;
    gap: 43px;
  }

  .device-panels article {
    grid-template-columns: 1fr 210px;
    gap: 40px;
  }

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

  .faq-copy {
    position: static;
  }

  .final-cta__inner {
    grid-template-columns: 1fr;
    gap: 31px;
  }

  .footer-main {
    grid-template-columns: 1.2fr 1fr 1fr;
  }

  .footer-action {
    grid-column: 1 / -1;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(calc(100% - 28px), var(--container));
  }

  .section {
    padding: 70px 0;
  }

  .brand img {
    width: 96px;
    height: 38px;
  }

  .hero-inner {
    min-height: auto;
    padding-top: 58px;
    padding-bottom: 112px;
  }

  .hero h1 {
    font-size: 42px;
  }

  .hero h1 span {
    font-size: 23px;
  }

  .hero-lead {
    font-size: 13px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .primary-cta {
    width: 100%;
  }

  .secondary-cta {
    align-self: flex-start;
  }

  .hero-bento {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
  }

  .hero-bento__main {
    grid-row: auto;
    grid-column: 1 / -1;
  }

  .hero-bento__image {
    min-height: 270px;
  }

  .hero-bento__footer {
    grid-template-columns: 1fr;
  }

  .hero-bento__mini {
    min-height: 150px;
  }

  .hero-links {
    grid-template-columns: 1fr;
    margin-bottom: -71px;
  }

  .hero-links a {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.09);
  }

  .hero-links a:last-child {
    border-bottom: 0;
  }

  .download-section {
    padding-top: 178px;
  }

  .section-heading h2,
  .ready-copy h2,
  .compare-copy h2,
  .showcase-copy h2,
  .faq-copy h2 {
    font-size: 34px;
  }

  .section-heading--split {
    gap: 18px;
  }

  .device-selector,
  .ready-grid,
  .steps-track {
    grid-template-columns: 1fr;
  }

  .device-selector button {
    min-height: 125px;
  }

  .device-panels article {
    min-height: 0;
    padding: 28px 21px;
    grid-template-columns: 1fr;
  }

  .device-panel__badge {
    min-height: 210px;
  }

  .ready-grid label {
    min-height: 130px;
    grid-template-columns: auto 1fr;
  }

  .ready-grid label > i {
    grid-column: 2;
    justify-self: end;
    margin-top: -38px;
  }

  .compare-table {
    overflow-x: auto;
  }

  .compare-row {
    min-width: 720px;
  }

  .showcase-image {
    min-height: 320px;
  }

  .faq-list details > div {
    padding-right: 3px;
  }

  .final-cta {
    padding-bottom: 98px;
  }

  .final-cta__inner > a {
    width: 100%;
  }

  .footer-main {
    padding-bottom: 95px;
    grid-template-columns: 1fr 1fr;
  }

  .footer-brand,
  .footer-action {
    grid-column: 1 / -1;
  }

  .footer-bottom {
    padding: 18px 0 95px;
    align-items: flex-start;
    flex-direction: column;
    gap: 7px;
  }

  .mobile-download {
    display: flex;
  }
}

@media (max-width: 390px) {
  .hero h1 {
    font-size: 37px;
  }

  .hero h1 span {
    font-size: 20px;
  }

  .hero-bento {
    grid-template-columns: 1fr;
  }

  .hero-bento__main {
    grid-column: auto;
  }

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

  .footer-brand,
  .footer-action {
    grid-column: auto;
  }
}

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

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


/* QQPK_SAFE_01_33_START */

/*
   QQPK 01-33 图片基础安全补丁
*/

html,
body {
    max-width: 100%;
    overflow-x: hidden;
}

main {
    max-width: 100%;
    overflow-x: clip;
}

main figure,
main picture {
    max-width: 100%;
}

main img {
    max-width: 100%;
}

/*
   客户端截图和安装步骤图优先完整显示。
*/

main figure img,
main [class*="stage"] img,
main [class*="screen"] img,
main [class*="preview"] img,
main [class*="visual"] img,
main [class*="gallery"] img,
main [class*="step"] img {
    object-fit: contain;
}

/* QQPK_SAFE_01_33_END */