:root {
  --black: #050505;
  --black-soft: #0a0a0a;
  --panel: #111111;
  --panel-soft: #171717;
  --red: #d71935;
  --red-light: #f13c55;
  --red-dark: #9b0d23;
  --white: #ffffff;
  --text: #f7f5f5;
  --muted: #aaa5a7;
  --muted-dark: #716c6e;
  --line: rgba(255, 255, 255, 0.1);
  --line-strong: rgba(255, 255, 255, 0.18);
  --red-line: rgba(215, 25, 53, 0.42);
  --light: #f3f3f3;
  --light-text: #151515;
  --light-muted: #666164;
  --shell: 1180px;
  --shadow: 0 32px 75px rgba(0, 0, 0, 0.3);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 82px;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background: var(--black);
  font-family:
    Inter,
    "PingFang SC",
    "Microsoft YaHei",
    Arial,
    sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.menu-open {
  overflow: hidden;
}

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

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

button {
  color: inherit;
  font: inherit;
}

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

.section {
  padding: 104px 24px;
}

.skip-link {
  position: fixed;
  z-index: 5000;
  top: 12px;
  left: 12px;
  padding: 10px 15px;
  color: #ffffff;
  background: var(--red);
  transform: translateY(-160%);
}

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

/* Header */

.site-header {
  position: fixed;
  z-index: 1000;
  top: 0;
  right: 0;
  left: 0;
  border-bottom: 1px solid transparent;
  transition:
    background 0.22s ease,
    border-color 0.22s ease,
    box-shadow 0.22s ease;
}

.site-header.is-scrolled {
  background: rgba(5, 5, 5, 0.94);
  border-color: var(--line);
  box-shadow: 0 15px 42px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(18px);
}

.header-inner {
  width: min(var(--shell), calc(100% - 42px));
  min-height: 80px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 33px;
}

.brand img {
  width: 150px;
  max-height: 42px;
  object-fit: contain;
}

.site-nav {
  margin-left: auto;
  display: flex;
  gap: 28px;
}

.site-nav a {
  position: relative;
  padding: 29px 0;
  color: rgba(255, 255, 255, 0.67);
  font-size: 13px;
  font-weight: 700;
}

.site-nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 21px;
  left: 0;
  height: 2px;
  background: var(--red);
  transform: scaleX(0);
  transition: transform 0.2s ease;
}

.site-nav a:hover {
  color: #ffffff;
}

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

.header-button {
  min-height: 43px;
  padding: 0 19px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  background: var(--red);
  border: 1px solid var(--red-light);
  border-radius: 6px;
  font-size: 13px;
  font-weight: 900;
}

.menu-toggle {
  display: none;
  position: relative;
  z-index: 3;
  width: 44px;
  height: 44px;
  margin-left: auto;
  padding: 10px;
  background: transparent;
  border: 0;
}

.menu-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: #ffffff;
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
}

.menu-toggle.is-active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle.is-active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.is-active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Hero */

.hero {
  position: relative;
  min-height: 810px;
  overflow: hidden;
  background: #080808;
}

.hero-background {
  position: absolute;
  inset: 0;
}

.hero-background::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      90deg,
      rgba(5, 5, 5, 0.98) 0%,
      rgba(5, 5, 5, 0.88) 43%,
      rgba(5, 5, 5, 0.52) 72%,
      rgba(5, 5, 5, 0.83) 100%
    ),
    linear-gradient(
      180deg,
      rgba(5, 5, 5, 0.05),
      rgba(5, 5, 5, 0.68)
    );
}

.hero-background img {
  width: 100%;
  height: 100%;
  opacity: 0.62;
  object-fit: cover;
  object-position: center;
}

.hero-lines {
  position: absolute;
  inset: 0;
  z-index: 1;
  opacity: 0.09;
  background-image:
    linear-gradient(
      rgba(255, 255, 255, 0.09) 1px,
      transparent 1px
    ),
    linear-gradient(
      90deg,
      rgba(255, 255, 255, 0.09) 1px,
      transparent 1px
    );
  background-size: 56px 56px;
}

.hero-red-glow {
  position: absolute;
  z-index: 1;
  right: 5%;
  bottom: 3%;
  width: 600px;
  height: 480px;
  background: rgba(215, 25, 53, 0.21);
  border-radius: 50%;
  filter: blur(110px);
}

.hero-inner {
  position: relative;
  z-index: 3;
  width: min(var(--shell), calc(100% - 48px));
  min-height: 750px;
  margin: 0 auto;
  padding-top: 125px;
  display: grid;
  grid-template-columns: 1fr 0.72fr;
  align-items: center;
  gap: 80px;
}

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

.hero-label,
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--red-light);
  font-size: 11px;
  line-height: 1;
  font-weight: 900;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero-label::before,
.section-label::before {
  content: "";
  width: 32px;
  height: 2px;
  background: currentColor;
}

.section-label-light {
  color: #ff657b;
}

.hero h1 {
  margin: 24px 0;
  font-size: clamp(55px, 7vw, 91px);
  line-height: 0.98;
  letter-spacing: -0.065em;
}

.hero h1 span {
  display: block;
  margin-top: 13px;
  color: #d7d3d4;
  font-size: 0.45em;
  line-height: 1.22;
  letter-spacing: -0.035em;
}

.hero-description {
  max-width: 610px;
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
}

.hero-actions {
  margin-top: 34px;
  display: flex;
  flex-wrap: wrap;
  gap: 13px;
}

.button {
  min-height: 54px;
  padding: 0 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 900;
  transition: transform 0.2s ease;
}

.button:hover {
  transform: translateY(-3px);
}

.button-primary {
  background: var(--red);
  border-color: var(--red-light);
}

.button-outline {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.22);
}

.hero-checks {
  margin-top: 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-checks span {
  position: relative;
  padding: 8px 12px 8px 29px;
  color: rgba(255, 255, 255, 0.66);
  border: 1px solid var(--line);
  font-size: 11px;
}

.hero-checks span::before {
  content: "✓";
  position: absolute;
  left: 11px;
  color: var(--red-light);
  font-weight: 900;
}

.official-panel {
  padding: 34px;
  background: rgba(10, 10, 10, 0.84);
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow);
  backdrop-filter: blur(17px);
}

.official-panel-head {
  display: flex;
  align-items: center;
  gap: 15px;
}

.official-panel-head img {
  width: 54px;
  height: 54px;
  object-fit: contain;
  border-radius: 10px;
}

.official-panel-head span,
.official-panel-head strong {
  display: block;
}

.official-panel-head span {
  color: var(--red-light);
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.14em;
}

.official-panel-head strong {
  margin-top: 3px;
  font-size: 22px;
}

.official-panel-line {
  height: 1px;
  margin: 27px 0;
  background:
    linear-gradient(
      90deg,
      var(--red),
      rgba(255, 255, 255, 0.05)
    );
}

.official-panel h2 {
  margin: 0;
  font-size: 24px;
}

.official-panel ol {
  margin: 24px 0 27px;
  padding: 0;
  list-style: none;
}

.official-panel li {
  padding: 15px 0;
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 13px;
  border-bottom: 1px solid var(--line);
}

.official-panel li > span {
  color: var(--red-light);
  font-size: 11px;
  font-weight: 900;
}

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

.official-panel > a {
  min-height: 47px;
  padding: 0 17px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--red);
  font-size: 13px;
  font-weight: 900;
}

.hero-platform-bar {
  position: absolute;
  z-index: 5;
  right: 0;
  bottom: 0;
  left: 0;
  min-height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  color: rgba(255, 255, 255, 0.48);
  border-top: 1px solid var(--line);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.14em;
}

.hero-platform-bar i {
  width: 4px;
  height: 4px;
  background: var(--red);
  border-radius: 50%;
}

/* Official section */

.official-section {
  color: var(--light-text);
  background: var(--light);
}

.official-layout {
  width: min(var(--shell), 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  align-items: center;
  gap: 82px;
}

.official-visual {
  position: relative;
}

.official-image-frame {
  min-height: 480px;
  padding: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(
      circle,
      rgba(215, 25, 53, 0.16),
      transparent 58%
    ),
    #101010;
  box-shadow: var(--shadow);
}

.official-image-frame img {
  width: 100%;
  max-height: 410px;
  object-fit: contain;
}

.official-visual-index {
  position: absolute;
  right: -20px;
  bottom: -23px;
  color: rgba(10, 10, 10, 0.07);
  font-size: 75px;
  line-height: 1;
  font-weight: 950;
}

.official-copy .section-label,
.content-title .section-label,
.faq-intro .section-label {
  color: var(--red);
}

.official-copy h2,
.process-heading h2,
.content-title h2,
.faq-intro h2 {
  margin: 17px 0 0;
  font-size: clamp(38px, 4.5vw, 57px);
  line-height: 1.08;
  letter-spacing: -0.048em;
}

.official-copy > p {
  margin: 23px 0 0;
  color: var(--light-muted);
}

.official-points {
  margin-top: 28px;
  border-top: 1px solid #d7d3d4;
}

.official-points article {
  padding: 20px 0;
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 16px;
  border-bottom: 1px solid #d7d3d4;
}

.official-points article > span {
  color: var(--red);
  font-size: 11px;
  font-weight: 900;
}

.official-points h3 {
  margin: 0;
  font-size: 18px;
}

.official-points p {
  margin: 6px 0 0;
  color: var(--light-muted);
  font-size: 13px;
}

/* Versions */

.versions-section {
  background: #080808;
}

.section-heading {
  max-width: 780px;
  margin: 0 auto 50px;
  text-align: center;
}

.section-heading .section-label {
  justify-content: center;
}

.section-heading h2 {
  margin: 17px 0 0;
  font-size: clamp(38px, 4.6vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.05em;
}

.section-heading p {
  margin: 17px 0 0;
  color: var(--muted);
}

.version-selector {
  width: min(1080px, 100%);
  margin: 0 auto;
}

.version-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.version-tab {
  min-height: 68px;
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: #aaa5a7;
  background: var(--panel);
  border: 1px solid var(--line);
  cursor: pointer;
}

.version-tab + .version-tab {
  border-left: 0;
}

.version-tab span {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  color: #ffffff;
  background: #262626;
  border-radius: 5px;
  font-size: 11px;
  font-weight: 900;
}

.version-tab.is-active {
  color: #ffffff;
  background: var(--red);
  border-color: var(--red-light);
}

.version-tab.is-active span {
  background: rgba(255, 255, 255, 0.18);
}

.version-panel {
  min-height: 445px;
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  background: var(--panel);
  border: 1px solid var(--line);
  border-top: 0;
}

.version-panel-copy {
  padding: 47px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.version-panel-copy > span {
  color: var(--red-light);
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.15em;
}

.version-panel-copy h3 {
  margin: 8px 0 0;
  font-size: 29px;
}

.version-panel-copy > p {
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.version-panel-copy ul {
  margin: 23px 0 28px;
  padding: 0;
  list-style: none;
}

.version-panel-copy li {
  position: relative;
  padding: 5px 0 5px 21px;
  color: #cac5c6;
  font-size: 13px;
}

.version-panel-copy li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--red-light);
}

.version-download {
  min-height: 50px;
  padding: 0 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--red);
  font-size: 13px;
  font-weight: 900;
}

.version-panel-visual {
  position: relative;
  min-height: 445px;
  padding: 35px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background:
    radial-gradient(
      circle,
      rgba(215, 25, 53, 0.2),
      transparent 60%
    ),
    #0b0b0b;
}

.version-panel-visual img {
  width: 100%;
  max-height: 365px;
  object-fit: contain;
}

.version-platform-mark {
  position: absolute;
  right: 22px;
  bottom: 19px;
  width: 53px;
  height: 53px;
  display: grid;
  place-items: center;
  color: #ffffff;
  background: var(--red);
  border-radius: 9px;
  font-size: 17px;
  font-weight: 950;
}

/* Process */

.process-section {
  color: var(--light-text);
  background: #ffffff;
}

.process-heading {
  width: min(var(--shell), 100%);
  margin: 0 auto 47px;
}

.process-heading .section-label {
  color: var(--red);
}

.process-list {
  width: min(var(--shell), 100%);
  margin: 0 auto;
  border-top: 1px solid #ddd9da;
}

.process-list article {
  min-height: 180px;
  padding: 30px 0;
  display: grid;
  grid-template-columns: 90px 1fr 100px;
  align-items: center;
  gap: 28px;
  border-bottom: 1px solid #ddd9da;
}

.process-number {
  color: var(--red);
  font-size: 13px;
  font-weight: 950;
}

.process-content > span {
  color: var(--red);
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.15em;
}

.process-content h3 {
  margin: 7px 0 0;
  font-size: 24px;
}

.process-content p {
  max-width: 720px;
  margin: 9px 0 0;
  color: var(--light-muted);
  font-size: 13px;
}

.process-status {
  padding: 8px 10px;
  color: #ffffff;
  background: #121212;
  text-align: center;
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

/* Verify */

.verify-section {
  position: relative;
  overflow: hidden;
}

.verify-background {
  position: absolute;
  inset: 0;
}

.verify-background::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      115deg,
      rgba(5, 5, 5, 0.98),
      rgba(21, 9, 12, 0.92)
    );
}

.verify-background img {
  width: 100%;
  height: 100%;
  opacity: 0.42;
  object-fit: cover;
}

.verify-inner {
  position: relative;
  z-index: 2;
  width: min(1080px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 75px;
}

.verify-copy h2 {
  margin: 17px 0 0;
  font-size: clamp(38px, 4.5vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.048em;
}

.verify-copy p {
  margin: 20px 0 0;
  color: var(--muted);
}

.verify-button {
  min-height: 47px;
  margin-top: 28px;
  padding: 0 20px;
  display: inline-flex;
  align-items: center;
  background: var(--red);
  font-size: 13px;
  font-weight: 900;
}

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

.verify-list label {
  min-height: 104px;
  padding: 20px 0;
  display: grid;
  grid-template-columns: 31px 1fr;
  align-items: center;
  gap: 17px;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
}

.verify-list input {
  position: absolute;
  opacity: 0;
}

.verify-list label > span {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
}

.verify-list label > span::after {
  content: "✓";
  color: #ffffff;
  font-size: 13px;
  opacity: 0;
}

.verify-list input:checked + span {
  background: var(--red);
  border-color: var(--red-light);
}

.verify-list input:checked + span::after {
  opacity: 1;
}

.verify-list strong {
  font-size: 16px;
}

.verify-list p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 12px;
}

/* Content */

.content-section {
  color: var(--light-text);
  background: var(--light);
}

.content-layout {
  width: min(1080px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 80px;
}

.content-body {
  padding-left: 42px;
  border-left: 1px solid #d4d0d1;
}

.content-body p {
  margin: 0;
  color: var(--light-muted);
  line-height: 1.9;
}

.content-body p + p {
  margin-top: 20px;
}

/* FAQ */

.faq-section {
  color: var(--light-text);
  background: #ffffff;
}

.faq-layout {
  width: min(1100px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 78px;
}

.faq-intro p {
  margin: 20px 0 0;
  color: var(--light-muted);
}

.faq-intro > a {
  min-height: 47px;
  margin-top: 28px;
  padding: 0 20px;
  display: inline-flex;
  align-items: center;
  color: #ffffff;
  background: var(--red);
  font-size: 13px;
  font-weight: 900;
}

.faq-item {
  border-bottom: 1px solid #ddd9da;
}

.faq-question {
  width: 100%;
  min-height: 76px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  color: var(--light-text);
  background: transparent;
  border: 0;
  text-align: left;
  font-size: 15px;
  font-weight: 850;
  cursor: pointer;
}

.faq-question span {
  width: 29px;
  height: 29px;
  display: grid;
  place-items: center;
  flex: 0 0 29px;
  color: #ffffff;
  background: var(--red);
  font-size: 20px;
  transition: transform 0.2s ease;
}

.faq-item.is-open .faq-question span {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer p {
  margin: 0;
  padding: 0 48px 25px 0;
  color: var(--light-muted);
  font-size: 13px;
}

/* Final */

.final-cta {
  padding: 75px 24px;
  background:
    linear-gradient(
      110deg,
      #920c22,
      #d71935 62%,
      #ef354e
    );
}

.final-inner {
  width: min(1100px, 100%);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 45px;
}

.final-inner > div > span {
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.final-inner h2 {
  margin: 12px 0 7px;
  font-size: clamp(34px, 4.3vw, 53px);
  line-height: 1.08;
  letter-spacing: -0.045em;
}

.final-inner p {
  margin: 0;
  color: rgba(255, 255, 255, 0.76);
}

.final-inner > a {
  min-width: 206px;
  min-height: 55px;
  padding: 0 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--red);
  background: #ffffff;
  font-size: 14px;
  font-weight: 900;
}

/* Footer */

.site-footer {
  padding: 52px 24px 22px;
  color: rgba(255, 255, 255, 0.52);
  background: #030303;
}

.footer-main {
  width: min(1100px, 100%);
  margin: 0 auto;
  padding-bottom: 34px;
  display: grid;
  grid-template-columns: 165px 1fr 150px;
  gap: 42px;
}

.footer-logo img {
  width: 145px;
  max-height: 42px;
  object-fit: contain;
}

.footer-main > p {
  margin: 0;
  font-size: 11px;
  line-height: 1.8;
}

.footer-main nav {
  display: grid;
  gap: 8px;
}

.footer-main nav a {
  font-size: 12px;
}

.footer-bottom {
  width: min(1100px, 100%);
  margin: 0 auto;
  padding-top: 19px;
  display: flex;
  justify-content: space-between;
  gap: 30px;
  border-top: 1px solid var(--line);
  font-size: 10px;
}

/* Toast */

.page-toast {
  position: fixed;
  z-index: 3000;
  bottom: 28px;
  left: 50%;
  padding: 12px 18px;
  color: #ffffff;
  background: rgba(8, 8, 8, 0.97);
  border: 1px solid var(--red-line);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 18px);
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
}

.page-toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* Responsive */

@media (max-width: 1040px) {
  .site-nav,
  .header-button {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .site-nav.is-open {
    position: fixed;
    z-index: 2;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(390px, 88vw);
    padding: 105px 30px 30px;
    display: flex;
    flex-direction: column;
    gap: 0;
    background: rgba(5, 5, 5, 0.99);
  }

  .site-nav.is-open a {
    padding: 18px 0;
    border-bottom: 1px solid var(--line);
    font-size: 16px;
  }

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

  .hero-inner {
    padding: 135px 0 110px;
    grid-template-columns: 1fr;
  }

  .hero-copy {
    max-width: 720px;
  }

  .official-panel {
    max-width: 680px;
  }

  .official-layout,
  .verify-inner,
  .content-layout {
    grid-template-columns: 1fr;
  }

  .official-layout {
    gap: 50px;
  }

  .version-panel {
    grid-template-columns: 1fr;
  }

  .version-panel-visual {
    min-height: 370px;
  }

  .content-layout,
  .verify-inner {
    gap: 40px;
  }

  .content-body {
    padding: 32px 0 0;
    border-top: 1px solid #d4d0d1;
    border-left: 0;
  }

  .faq-layout {
    grid-template-columns: 1fr;
    gap: 45px;
  }
}

@media (max-width: 720px) {
  .section {
    padding: 76px 18px;
  }

  .header-inner {
    width: calc(100% - 28px);
    min-height: 70px;
  }

  .brand img {
    width: 130px;
  }

  .hero {
    min-height: auto;
  }

  .hero-inner {
    width: calc(100% - 32px);
    min-height: auto;
    padding: 116px 0 90px;
    gap: 40px;
  }

  .hero h1 {
    font-size: 48px;
  }

  .hero-description {
    font-size: 15px;
  }

  .hero-actions {
    display: grid;
  }

  .button {
    width: 100%;
  }

  .official-panel {
    padding: 26px 22px;
  }

  .hero-platform-bar {
    position: relative;
    flex-wrap: wrap;
    gap: 12px;
    padding: 18px;
  }

  .official-image-frame {
    min-height: 340px;
    padding: 22px;
  }

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

  .version-tab:nth-child(3) {
    border-left: 1px solid var(--line);
  }

  .version-panel-copy {
    padding: 32px 24px;
  }

  .version-panel-visual {
    min-height: 310px;
    padding: 22px;
  }

  .process-list article {
    grid-template-columns: 48px 1fr;
  }

  .process-status {
    display: none;
  }

  .final-inner {
    align-items: stretch;
    flex-direction: column;
    text-align: center;
  }

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

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

  .footer-main nav {
    grid-template-columns: repeat(2, auto);
  }

  .footer-bottom {
    display: grid;
    text-align: center;
  }
}

@media (max-width: 430px) {
  .hero h1 {
    font-size: 42px;
  }

  .hero-checks {
    display: grid;
  }

  .official-panel-head img {
    width: 46px;
    height: 46px;
  }

  .official-visual-index {
    font-size: 48px;
  }

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

  .version-tab + .version-tab,
  .version-tab:nth-child(3) {
    border-top: 0;
    border-left: 1px solid var(--line);
  }

  .version-panel-visual {
    min-height: 270px;
  }

  .process-list article {
    grid-template-columns: 38px 1fr;
    gap: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation: none !important;
    transition: none !important;
  }
}