:root {
  --color-blue: #0099ff;
  --color-blue-dark: #006fd6;
  --color-ink: #111111;
  --color-text: #262626;
  --color-muted: rgba(0, 0, 0, 0.58);
  --color-line: rgba(0, 0, 0, 0.08);
  --color-bg: #f6f8fb;
  --color-surface: #ffffff;
  --radius-card: 8px;
  --radius-pill: 999px;
  --shadow-soft: 0 14px 34px rgba(24, 54, 92, 0.12);
  --shadow-float: 0 4px 23px rgba(0, 0, 0, 0.25);
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC",
               "Microsoft YaHei", "Segoe UI", Roboto, Arial, sans-serif;
  --font-mono: "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

html {
  width: 100%;
  height: 100%;
  scroll-behavior: auto;
  overscroll-behavior: none;
}

body {
  position: fixed;
  width: 100%;
  height: 100%;
  overflow: hidden;
  margin: 0;
  padding-top: 64px;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

input,
textarea {
  -webkit-user-select: auto;
  -moz-user-select: auto;
  -ms-user-select: auto;
  user-select: auto;
}

#main {
  height: calc(100dvh - 64px);
  overflow-y: auto;
  overflow-x: hidden;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

body[data-page="home"] #main {
  overflow: hidden;
}

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

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

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

h1,
h2,
h3,
h4 {
  color: var(--color-ink);
  letter-spacing: 0;
}

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 3000;
  padding: 0.5rem 1rem;
  background: #000000;
  color: #ffffff;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

/* Nav */
.mobile-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 2001;
  width: 100%;
  height: 64px;
  display: none;
  align-items: center;
  justify-content: space-between;
  padding: 0 14px 0 24px;
  background: #ffffff;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  box-sizing: border-box;
  flex-shrink: 0;
}

.mobile-header__logo-link {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 100%;
  color: #000000;
  text-decoration: none;
}

.mobile-header__logo {
  width: 35px;
  height: 35px;
  border-radius: 8px;
}

.mobile-header__title {
  font-size: 16px;
  font-weight: 700;
  line-height: 1;
}

.menu-toggle {
  width: 44px;
  height: 44px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  border: 0;
  background: transparent;
  cursor: pointer;
  position: relative;
}

.menu-toggle .line {
  position: absolute;
  height: 2px;
  background-color: #000000;
  transition: all 0.3s ease;
}

.menu-toggle .line-top {
  width: 16px;
  transform: translateY(-6px);
}

.menu-toggle .line-middle {
  width: 16px;
  transform: translateY(0);
}

.menu-toggle .line-bottom {
  width: 16px;
  transform: translateY(6px);
}

.menu-toggle.active .line-top {
  width: 20px;
  transform: translateY(0) rotate(45deg);
}

.menu-toggle.active .line-middle {
  width: 0;
  opacity: 0;
}

.menu-toggle.active .line-bottom {
  width: 20px;
  transform: translateY(0) rotate(-45deg);
}

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: none;
  flex-direction: column;
  background: #ffffff;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.mobile-menu.mobile-menu--open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu__header {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
  padding: 0 34px 0 48px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.mobile-menu__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #000000;
  text-decoration: none;
}

.mobile-menu__brand-logo {
  width: 35px;
  height: 35px;
  border-radius: 8px;
  flex-shrink: 0;
}

.mobile-menu__brand-title {
  color: #000000;
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
}

.mobile-menu__close {
  position: relative;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.mobile-menu__close-line {
  position: absolute;
  width: 28px;
  height: 3px;
  border-radius: 999px;
  background: #000000;
}

.mobile-menu__close-line--first {
  transform: rotate(45deg);
}

.mobile-menu__close-line--second {
  transform: rotate(-45deg);
}

.mobile-menu__scroll-container {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 90px;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.mobile-menu__scroll-container::-webkit-scrollbar {
  display: none;
}

.mobile-menu__container {
  padding: 28px 48px 0;
  text-align: left;
}

.mobile-menu__item {
  padding: 28px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.mobile-menu__primary {
  width: 100%;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  text-decoration: none;
  text-align: left;
}

.mobile-menu__primary-text {
  flex: 1;
  color: rgba(60, 60, 67, 0.76);
  font-size: 18px;
  font-weight: 500;
  line-height: 30px;
  text-align: left;
}

.mobile-menu__arrow {
  margin-left: auto;
  width: 8px;
  height: 8px;
  border-right: 1.5px solid rgba(0, 0, 0, 0.5);
  border-bottom: 1.5px solid rgba(0, 0, 0, 0.5);
  transform: rotate(-45deg);
  transition: transform 0.3s ease;
}

.mobile-menu__item--expanded .mobile-menu__arrow {
  transform: rotate(45deg);
}

.mobile-menu__secondary-container {
  max-height: 0;
  opacity: 0;
  padding-top: 10px;
  overflow: hidden;
  transform: translateY(-6px);
  transition:
    max-height 0.28s ease,
    opacity 0.2s ease,
    transform 0.28s ease;
}

.mobile-menu__item--expanded .mobile-menu__secondary-container {
  max-height: 320px;
  opacity: 1;
  transform: translateY(0);
}

.mobile-menu__secondary {
  min-height: 40px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  cursor: pointer;
  text-decoration: none;
}

.mobile-menu__secondary + .mobile-menu__secondary {
  margin-top: 8px;
}

.mobile-menu__secondary-text {
  color: rgba(0, 0, 0, 0.9);
  font-size: 18px;
  font-weight: 600;
  line-height: 30px;
}

.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 2001;
  height: 64px;
  display: flex;
  align-items: center;
  padding: 0 10px 0 24px;
  background: #ffffff;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  backdrop-filter: blur(50px);
  -webkit-backdrop-filter: blur(50px);
  overflow: visible;
  -webkit-user-select: none;
  user-select: none;
}

.nav,
.mobile-header,
.mobile-menu {
  -webkit-user-select: none;
  user-select: none;
}

.nav a,
.nav button,
.nav img,
.nav svg,
.mobile-header a,
.mobile-header button,
.mobile-header img,
.mobile-menu a,
.mobile-menu button,
.mobile-menu img {
  -webkit-user-drag: none;
  user-select: none;
}

.nav__spacer {
  display: flex;
  flex-shrink: 1;
  height: 100%;
  box-sizing: border-box;
}

.nav__spacer--left {
  width: 48px;
}

.nav__spacer--menu {
  width: 100px;
}

html[lang="en"] .nav__spacer--menu {
  width: 56px;
}

.nav__brand {
  width: 132px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  color: #000000;
  font-weight: 700;
  flex-shrink: 0;
}

.nav__logo {
  width: 35px;
  height: 35px;
  border-radius: 8px;
  flex-shrink: 0;
}

.nav__title {
  font-size: 18px;
  line-height: 1;
  white-space: nowrap;
}

.nav__links {
  flex: 0 0 auto;
  min-width: 0;
  display: flex;
  align-items: center;
  height: 100%;
  justify-content: flex-start;
  gap: 0;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__links > * + * {
  margin-left: 10px;
}

.nav__links li {
  flex: 0 0 120px;
}

html[lang="en"] .nav__links li {
  flex-basis: 148px;
}

html[lang="en"] #nav-download-item {
  flex-basis: 180px;
}

.nav__links > li > a {
  position: relative;
  height: 64px;
  display: grid;
  place-items: center;
  color: rgba(0, 0, 0, 0.9);
  font-size: 16px;
  font-weight: 400;
  border-bottom: 0;
  transition: color 0.2s ease;
}

.nav__item {
  position: relative;
}

.nav__dropdown-trigger {
  width: 100%;
  height: 64px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  border: 0;
  background: transparent;
  color: rgba(0, 0, 0, 0.9);
  font: inherit;
  white-space: nowrap;
  cursor: pointer;
  transition: color 0.2s ease;
}

.nav__dropdown-trigger-label {
  flex: 0 0 auto;
  line-height: 1;
  white-space: nowrap;
}

.nav__dropdown-trigger-arrow {
  width: 14px;
  height: 14px;
  flex: 0 0 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transform: translateY(1px);
  transition: transform 0.2s ease;
}

.nav__dropdown-trigger-arrow svg {
  width: 14px;
  height: 14px;
}

.nav__item--dropdown.is-open .nav__dropdown-trigger,
.nav__dropdown-trigger:hover {
  color: var(--color-blue);
}

.nav__item--dropdown.is-open .nav__dropdown-trigger-arrow {
  transform: translateY(1px) rotate(180deg);
}

.nav__dropdown {
  position: fixed;
  left: var(--download-menu-left, 350px);
  top: 64px;
  width: 180px;
  padding: 6px;
  background: #ffffff;
  border: 0;
  border-radius: 0 0 8px 8px;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.14);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: translate3d(0, -12px, 0) scale(0.985);
  transform-origin: top left;
  filter: blur(3px);
  transition:
    opacity 0.22s ease,
    width 0.22s cubic-bezier(0.2, 0, 0, 1),
    transform 0.22s cubic-bezier(0.2, 0, 0, 1),
    filter 0.22s ease,
    visibility 0.22s ease;
  pointer-events: none;
  z-index: 2003;
}

.nav__dropdown.is-detail-visible {
  width: 480px;
}

.nav__item--dropdown.is-open .nav__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translate3d(0, 0, 0) scale(1);
  filter: blur(0);
  pointer-events: auto;
}

.nav-menu-mask {
  --blur: 0px;
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1002;
  background: rgba(0, 21, 83, 0.06);
  backdrop-filter: blur(var(--blur, 0px));
  -webkit-backdrop-filter: blur(var(--blur, 0px));
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity 0.3s ease,
    visibility 0.3s ease,
    backdrop-filter 0.3s ease,
    -webkit-backdrop-filter 0.3s ease;
}

body.nav-menu-open .nav-menu-mask {
  --blur: 2px;
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.nav__dropdown-content {
  display: grid;
  grid-template-columns: 168px minmax(0, 1fr);
  gap: 12px;
  align-items: stretch;
  width: 468px;
}

.nav__dropdown-platforms {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0;
}

.nav__dropdown-platform {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  height: 42px;
  padding: 0 12px;
  border-radius: 8px;
  color: rgba(0, 0, 0, 0.86);
  font-size: 16px;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
}

.nav__dropdown-platform-icon {
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 24px;
}

.nav__dropdown-platform-icon svg {
  width: 24px;
  height: 24px;
}

.nav__dropdown-platform > span:not(.nav__dropdown-platform-icon) {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.nav__dropdown-platform--active,
.nav__dropdown-platform.is-active,
.nav__dropdown-platform:hover {
  background: rgba(0, 0, 0, 0.06);
  color: rgba(0, 0, 0, 0.9);
}

.nav__dropdown-details {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 126px;
  padding: 12px 18px;
  border-left: 1px solid rgba(0, 0, 0, 0.08);
  color: rgba(0, 0, 0, 0.86);
  opacity: 0;
  transform: translate3d(-8px, 0, 0);
  transition:
    opacity 0.18s ease,
    transform 0.18s ease;
}

.nav__dropdown-detail {
  position: absolute;
  inset: 12px 18px;
  opacity: 0;
  visibility: hidden;
  transform: translate3d(8px, 0, 0);
  text-align: center;
  z-index: 0;
  transition:
    opacity 0.16s ease,
    transform 0.16s ease,
    visibility 0.16s ease;
  pointer-events: none;
}

.nav__dropdown-detail--android {
  transform: translate3d(0, 0, 0);
}

.nav__dropdown-detail h3 {
  margin: 0 0 12px;
  color: #000000;
  font-size: 24px;
  line-height: 1.2;
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

html[lang="en"] .nav__dropdown-detail h3 {
  font-size: 19px;
}

.nav__dropdown-detail a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  max-width: 100%;
  min-height: 44px;
  padding: 9px 18px 9px 10px;
  border-radius: 999px;
  background: var(--color-blue);
  color: #ffffff;
  font-size: 16px;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  pointer-events: auto;
}

.nav__dropdown-detail a:hover {
  color: #ffffff;
}

.nav__dropdown-detail-link-icon {
  width: 44px;
  height: 44px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 44px;
  background: rgba(255, 255, 255, 0.16);
  border: 3px solid currentColor;
}

.nav__dropdown-detail-link-icon svg {
  width: 28px;
  height: 28px;
}

.nav__dropdown-detail-link-text {
  display: grid;
  gap: 3px;
  min-width: 0;
  overflow: hidden;
  line-height: 1.1;
}

.nav__dropdown-detail-link-main {
  font-size: 18px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.nav__dropdown-detail-link-note {
  font-size: 13px;
  font-weight: 600;
  opacity: 0.9;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.nav__dropdown.is-detail-visible .nav__dropdown-details {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.nav__dropdown-content.is-detail-ios .nav__dropdown-detail--android,
.nav__dropdown-content.is-detail-web .nav__dropdown-detail--android {
  opacity: 0;
  transform: translate3d(8px, 0, 0);
  pointer-events: none;
}

.nav__dropdown-content.is-detail-android .nav__dropdown-detail--android,
.nav__dropdown-content.is-detail-ios .nav__dropdown-detail--ios,
.nav__dropdown-content.is-detail-web .nav__dropdown-detail--web {
  opacity: 1;
  visibility: visible;
  transform: translate3d(0, 0, 0);
  z-index: 1;
  pointer-events: auto;
}

.nav__links > li > a:hover,
.nav__links .nav__link--active {
  color: var(--color-blue);
}

.nav__actions {
  width: 204px;
  height: 100%;
  margin-left: auto;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.lang-switch,
.btn {
  font: inherit;
}

.lang-switch {
  min-width: 46px;
  height: 34px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  background: #ffffff;
  color: #000000;
  cursor: pointer;
}

.lang-switch:hover {
  color: var(--color-blue);
  border-color: rgba(0, 153, 255, 0.35);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
}

.btn--primary {
  background: var(--color-blue);
  color: #ffffff;
  box-shadow: 0 12px 28px rgba(0, 153, 255, 0.24);
}

.btn--primary:hover {
  background: var(--color-blue-dark);
  color: #ffffff;
}

.btn--ghost {
  background: #ffffff;
  color: #000000;
  border-color: var(--color-line);
}

.btn--ghost:hover {
  color: var(--color-blue);
  border-color: rgba(0, 153, 255, 0.35);
}

.btn--sm {
  min-height: 34px;
  padding: 0 14px;
  font-size: 14px;
}

@media (max-width: 733px) {
  .nav {
    display: none;
  }

  .mobile-header {
    display: flex;
  }

  .mobile-menu {
    display: flex;
  }

  .nav-menu-mask {
    display: none;
  }

  body.mobile-menu-open #main,
  body.mobile-menu-open .footer {
    visibility: hidden;
  }

}

/* Hero */
.hero {
  position: relative;
  min-height: calc(100vh - 64px);
  overflow: hidden;
  display: grid;
  place-items: center;
  padding: 112px 24px 170px;
  isolation: isolate;
  background: #4c87c2;
}

.page-section {
  display: none;
}

.page-section--active {
  display: block;
}

.hero.page-section--active {
  display: grid;
}

body[data-page="home"] .footer {
  display: none;
}

#about .about-markdown {
  max-width: 900px;
  margin: 0 auto;
  padding: 26px 30px;
  border: 1px solid var(--color-line);
  border-radius: 8px;
  background: #ffffff;
}

#about .markdown-body {
  color: var(--color-text);
}

#about .markdown-body > *:first-child {
  margin-top: 0;
}

#about .markdown-body > *:last-child {
  margin-bottom: 0;
}

#about .markdown-body h2 {
  margin: 30px 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-line);
  font-size: 26px;
  line-height: 1.25;
}

#about .markdown-body h3,
#about .markdown-body h4 {
  margin: 22px 0 10px;
  font-size: 19px;
  line-height: 1.35;
}

#about .markdown-body p {
  margin: 0 0 14px;
  color: var(--color-muted);
}

#about .markdown-body ul {
  margin: 0 0 16px;
  padding-left: 1.25em;
  color: var(--color-muted);
}

#about .markdown-body li + li {
  margin-top: 6px;
}

#about .markdown-body a {
  color: var(--color-blue);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

#about .markdown-body code {
  padding: 2px 6px;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.06);
  color: #111111;
  font-family: var(--font-mono);
  font-size: 0.92em;
}

#about .markdown-body pre {
  margin: 0;
  margin-bottom: 16px;
  padding: 14px 16px;
  overflow-x: auto;
  border-radius: 8px;
  background: #101828;
  color: #ffffff;
}

#about .markdown-body pre code {
  padding: 0;
  background: transparent;
  color: inherit;
}

.hero__motion-bg {
  position: absolute;
  inset: -4%;
  z-index: -4;
  background:
    radial-gradient(circle at 16% 74%, rgba(255, 208, 168, 0.98) 0 9%, transparent 31%),
    radial-gradient(circle at 76% 72%, rgba(246, 190, 231, 0.92) 0 11%, transparent 32%),
    radial-gradient(circle at 36% 34%, rgba(67, 228, 223, 0.78) 0 12%, transparent 34%),
    radial-gradient(circle at 82% 28%, rgba(103, 207, 242, 0.7) 0 12%, transparent 33%),
    linear-gradient(112deg,
      #1b2a65 0%,
      #1b63a6 13%,
      #19b9c9 25%,
      #5379cf 36%,
      #3c2b78 48%,
      #7361c9 58%,
      #3e3e9b 68%,
      #55c7d2 80%,
      #17839d 90%,
      #dad7ee 100%);
  background-size: 130% 130%, 145% 135%, 130% 135%, 135% 130%, 210% 100%;
  background-position: 0% 54%, 64% 48%, 22% 42%, 82% 38%, 0% 50%;
}

.hero__video-bg {
  position: absolute;
  inset: 0;
  z-index: -3;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 1;
  pointer-events: none;
}

.hero__motion-bg::before {
  content: none;
}

.hero__motion-bg::after {
  content: none;
}

.hero__animation-layer {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
}

.cursor-glow-container {
  position: absolute;
  inset: 0;
  z-index: 5;
  pointer-events: none;
  overflow: hidden;
}

.cursor-glow {
  position: absolute;
  left: 0;
  top: 0;
  width: 80px;
  height: 80px;
  border-radius: 280px;
  pointer-events: none;
  opacity: var(--cursor-opacity, 0);
  filter: blur(100px);
  mix-blend-mode: overlay;
  background: radial-gradient(50% 50%, rgba(255, 255, 255, 0.35) 0%, rgba(136, 251, 255, 0.35) 100%);
  transform: translate3d(var(--cursor-x, -1000px), var(--cursor-y, -1000px), 0) translate(-50%, -50%);
  transition:
    width 1s cubic-bezier(0.4, 0, 0.2, 1),
    height 1s cubic-bezier(0.4, 0, 0.2, 1),
    opacity 1s cubic-bezier(0.4, 0, 0.2, 1),
    filter 1s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform, opacity, width, height, filter;
}

.trail-particle {
  position: absolute;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  pointer-events: none;
  mix-blend-mode: overlay;
  filter: blur(50px);
  will-change: transform, opacity;
}

.raster-overlay {
  --raster-strip-width: 36px;
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  min-width: 100%;
  opacity: 1;
}

.raster-strip {
  flex: 0 0 var(--raster-strip-width);
  width: var(--raster-strip-width);
  height: 100%;
  opacity: 1;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.08) 0%, rgba(0, 0, 0, 0.08) 100%);
  backdrop-filter: blur(45px);
  -webkit-backdrop-filter: blur(45px);
}

@media (max-width: 733px) {
  .raster-overlay {
    --raster-strip-width: 22px;
  }
}

.hidden-icons-container {
  position: absolute;
  inset: 0;
  z-index: 5;
  pointer-events: none;
}

.hidden-icon-group {
  position: absolute;
  left: var(--hidden-left, -100px);
  top: var(--hidden-top, -100px);
  width: 78px;
  height: 78px;
  opacity: var(--hidden-opacity, 0);
  transform:
    translate3d(var(--hidden-move-x, 0), var(--hidden-move-y, 0), 0)
    scale(var(--hidden-scale, 0.94));
  transition: opacity 0.16s ease;
  will-change: opacity, transform;
}

.glow-bg {
  position: absolute;
  left: -58px;
  top: -58px;
  width: 194px;
  height: 194px;
  border-radius: 50%;
  background: radial-gradient(50% 50%, rgba(255, 255, 255, 0.55) 0%, rgba(136, 251, 255, 0.24) 44%, rgba(136, 251, 255, 0) 72%);
  filter: blur(24px);
}

.icon-placeholder {
  position: absolute;
  left: var(--icon-left, 0);
  top: var(--icon-top, 0);
  width: 64px;
  height: 64px;
}

.hidden-icon-img {
  display: block;
  width: 64px;
  height: 64px;
  object-fit: contain;
  filter: drop-shadow(0 18px 34px rgba(38, 84, 122, 0.18));
  transform: translate3d(var(--icon-move-x, 0), var(--icon-move-y, 0), 0) rotate(var(--hidden-rotate, 0deg));
  transition: transform 0.08s linear;
  will-change: transform;
}

.hidden-icon-img.is-left-side {
  transform: translate3d(var(--icon-move-x, 0), var(--icon-move-y, 0), 0) rotate(calc(var(--hidden-rotate, 0deg) * -1));
}

.hero__shade {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: transparent;
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 2;
  width: min(900px, 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  color: #ffffff;
  margin-top: -112px;
}

.hero__mark {
  position: relative;
  width: min(900px, 100%);
  min-height: 107px;
  max-width: 100%;
}

.hero__logo {
  width: 66px;
  height: 66px;
  border-radius: 17px;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.12);
  flex: 0 0 auto;
}

.hero__title-layer {
  position: absolute;
  inset: 0;
  margin: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 35px;
  color: #ffffff;
  font-size: 77px;
  line-height: 1;
  font-weight: 500;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.hero__title-layer--glow {
  filter: blur(10px);
  animation: hero-title-breath 2s alternate infinite;
}

.hero__title-layer--glow .hero__logo {
  opacity: 0.62;
  box-shadow: 0 0 42px rgba(255, 255, 255, 0.5);
}

.hero__title-layer--front {
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.34), 0 10px 30px rgba(0, 0, 0, 0.14);
}

.hero__title-copy {
  display: inline-block;
}

@keyframes hero-title-breath {
  0% {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

.hero__sub {
  max-width: 560px;
  margin: 26px 0 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: 18px;
  line-height: 1.65;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.16);
}

.hero__cta {
  width: 480px;
  max-width: 100%;
  height: 100px;
  margin-top: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 50px;
  background: rgba(255, 255, 255, 0.8);
  color: #000000;
  font-size: 45px;
  line-height: 1;
  font-weight: 500;
  white-space: nowrap;
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  box-shadow: 0 4px 23px rgba(0, 0, 0, 0.25);
  transition: all 0.3s ease;
}

.hero__cta:hover {
  transform: scale(1.05);
  background: #ffffff;
  color: #000000;
  box-shadow: 0 4px 25px rgba(255, 255, 255, 0.8);
}

.hero__cta-icon {
  width: 48px;
  height: 48px;
  color: currentColor;
  flex: 0 0 auto;
}

.hero__cta--error {
  font-size: 30px;
}

.hero__version {
  min-height: 24px;
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.95);
  font-size: 16px;
  font-weight: 600;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

@media (min-width: 1801px) {
  .hero__mark {
    min-height: 134px;
  }

  .hero__logo {
    width: 95px;
    height: 95px;
    border-radius: 24px;
  }

  .hero__title-layer {
    gap: 50px;
    font-size: 110px;
  }
}

@media (max-width: 1800px) {
  .hero__cta {
    width: 384px;
    height: 80px;
    font-size: 36px;
    border-radius: 40px;
  }

  .hero__cta--error {
    font-size: 24px;
  }
}

@media (max-width: 1068px) {
  .hero__mark {
    min-height: 80px;
  }

  .hero__logo {
    width: 50px;
    height: 50px;
    border-radius: 13px;
  }

  .hero__title-layer {
    gap: 26px;
    font-size: 57px;
  }

  .hero__cta {
    width: 312px;
    height: 65px;
    font-size: 29px;
    border-radius: 32.5px;
  }
}

.hero__version--error {
  color: #ffffff;
}

.hero__platforms {
  position: absolute;
  top: 80%;
  left: 50%;
  transform: translate(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  list-style: none;
  margin: 0;
  padding: 0;
}

.hero__platforms li:not(:last-child) {
  margin-right: 56px;
}

.platform-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  opacity: .5;
  color: rgba(0, 0, 0, .8);
  font-size: 20px;
  font-weight: 500;
  white-space: nowrap;
  cursor: default;
  transition: opacity 0.2s ease;
}

.platform-chip[href] {
  cursor: pointer;
}

.platform-chip--active {
  cursor: pointer;
}

.platform-chip[href]:hover,
.platform-chip--active:hover {
  opacity: .8;
}

.platform-chip__icon {
  width: 28px;
  height: 28px;
}

.platform-chip__hint {
  display: none;
}

@media (prefers-reduced-motion: reduce) {
  .hero__motion-bg,
  .hero__motion-bg::before,
  .hero__title-layer--glow,
  .raster-overlay::after {
    animation: none;
  }
}

/* Sections */
.section {
  max-width: 1120px;
  margin: 0 auto;
  padding: 92px 32px;
}

.section--alt {
  max-width: none;
  background: #ffffff;
  border-block: 1px solid var(--color-line);
}

.section--alt > * {
  max-width: 1120px;
  margin-left: auto;
  margin-right: auto;
}

.section__header {
  max-width: 720px;
  margin: 0 auto 34px;
  text-align: center;
}

.section__header h2 {
  margin-bottom: 8px;
  font-size: 34px;
  line-height: 1.25;
  font-weight: 700;
}

.section__header p {
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 17px;
}

.section__note {
  margin: 24px 0 0;
  text-align: center;
  color: var(--color-muted);
  font-size: 14px;
}

.grid {
  display: grid;
  gap: 18px;
}

.grid--features {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.grid--screenshots {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.card,
.shot,
.stack-card,
.download-card,
.faq__item {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-surface);
}

.card {
  min-height: 190px;
  padding: 24px 20px;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-soft);
}

.card__icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  border-radius: 8px;
  background: rgba(0, 153, 255, 0.09);
  color: var(--color-blue);
  font-weight: 800;
  font-size: 13px;
  font-family: var(--font-mono);
}

.card h3 {
  margin-bottom: 8px;
  font-size: 17px;
  line-height: 1.35;
}

.card p {
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 14px;
  line-height: 1.7;
}

.shot {
  margin: 0;
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.shot__placeholder {
  aspect-ratio: 9 / 19;
  display: grid;
  place-items: center;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.22), rgba(255, 255, 255, 0.72)),
    repeating-linear-gradient(90deg, #214d94 0 26px, #35bfd0 26px 52px, #8068cb 52px 78px, #f5c5d8 78px 104px);
  color: rgba(0, 0, 0, 0.42);
  font-size: 56px;
  font-weight: 700;
}

.shot figcaption {
  padding: 14px 16px;
  text-align: center;
  color: var(--color-muted);
  font-size: 14px;
}

.stack-card {
  padding: 28px;
}

.stack-card header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-line);
}

.stack-card h3 {
  margin: 0;
  font-size: 20px;
}

.stack-card__tag,
.badge {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 10px;
  border-radius: var(--radius-pill);
  background: rgba(0, 153, 255, 0.1);
  color: var(--color-blue);
  font-size: 12px;
  font-weight: 700;
}

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

.stack-card li {
  padding: 10px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  color: var(--color-muted);
  font-size: 15px;
}

.stack-card li:last-child {
  border-bottom: 0;
}

.stack-card li strong {
  color: var(--color-text);
}

.download-card {
  padding: 30px;
  box-shadow: var(--shadow-soft);
}

.download-card__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 24px;
}

.download-card__title h3 {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 8px;
  font-size: 24px;
}

.download-card__meta {
  margin: 0;
  color: var(--color-muted);
}

.download-card__meta--error {
  color: #b42318;
}

.download-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.download-card__detail {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin: 0 0 20px;
  padding: 20px 0;
  border-block: 1px solid var(--color-line);
}

.download-card__detail dt {
  color: var(--color-muted);
  font-size: 13px;
}

.download-card__detail dd {
  margin: 4px 0 0;
  color: var(--color-text);
  font-weight: 700;
  word-break: break-all;
}

.mono {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
}

.download-card__notes {
  margin: 0 0 16px;
  padding: 16px 18px;
  border-radius: 8px;
  background: #f6f8fb;
}

.download-card__notes summary {
  cursor: pointer;
  color: var(--color-text);
  font-weight: 700;
}

.download-card__notes pre {
  margin: 12px 0 0;
  white-space: pre-wrap;
  word-wrap: break-word;
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 14px;
}

.download-card__hint {
  margin: 0;
  color: var(--color-muted);
  font-size: 14px;
}

.faq {
  max-width: 780px;
  margin: 0 auto;
  display: grid;
  gap: 12px;
}

.faq__item {
  padding: 18px 20px;
}

.faq__item[open] {
  box-shadow: var(--shadow-soft);
}

.faq__item summary {
  position: relative;
  padding-right: 28px;
  list-style: none;
  cursor: pointer;
  font-weight: 700;
}

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

.faq__item summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-blue);
  font-size: 22px;
  line-height: 1;
}

.faq__item[open] summary::after {
  content: "-";
}

.faq__item summary + div {
  margin-top: 12px;
  color: var(--color-muted);
}

.faq__item summary + div strong {
  color: var(--color-text);
}

.footer {
  padding: 54px 32px 28px;
  background: #ffffff;
  border-top: 1px solid var(--color-line);
}

.footer__inner {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 32px;
}

.footer__logo {
  width: 40px;
  height: 40px;
  margin-bottom: 10px;
  border-radius: 8px;
}

.footer__brand {
  margin-bottom: 4px;
  font-weight: 700;
}

.footer__brand-sub,
.footer__copy {
  color: var(--color-muted);
  font-size: 14px;
}

.footer__col h4 {
  margin-bottom: 12px;
  color: var(--color-muted);
  font-size: 13px;
  font-weight: 700;
}

.footer__col ul {
  list-style: none;
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
}

.footer__copy {
  max-width: 1120px;
  margin: 34px auto 0;
  padding-top: 24px;
  border-top: 1px solid var(--color-line);
  text-align: center;
}

@media (max-width: 1120px) {
  .nav {
    padding: 0 24px;
  }

  .nav__brand {
    width: 132px;
  }

  .nav__links li {
    flex-basis: 96px;
  }

  .nav__actions {
    width: 150px;
  }

  .grid--features {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  body {
    padding-top: 60px;
  }

  .nav {
    height: 60px;
    padding: 0 18px;
  }

  .nav__links {
    display: none;
  }

  .nav__brand {
    width: auto;
    flex: 1;
  }

  .nav__actions {
    width: auto;
  }

  .hero {
    min-height: calc(100vh - 60px);
    padding: 86px 20px 130px;
  }

  .hero__content {
    margin-top: -80px;
  }

  .hero__mark {
    min-height: 80px;
  }

  .hero__logo {
    width: 50px;
    height: 50px;
    border-radius: 13px;
  }

  .hero__title-layer {
    gap: 26px;
    font-size: 57px;
  }

  .hero__sub {
    font-size: 16px;
  }

  .hero__cta {
    width: 312px;
    height: 65px;
    font-size: 29px;
    border-radius: 32.5px;
  }

  .hero__cta-icon {
    width: 1.33em;
    height: 1.33em;
  }

  .hero__platforms {
    top: 80%;
    bottom: auto;
    align-items: flex-end;
  }

  .hero__platforms li:not(:last-child) {
    margin-right: 38px;
  }

  .section {
    padding: 70px 20px;
  }

  .grid--features,
  .grid--screenshots,
  .grid--tech {
    grid-template-columns: 1fr;
  }

  .download-card__head {
    flex-direction: column;
  }

  .download-card__actions {
    width: 100%;
    justify-content: flex-start;
  }

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

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

@media (max-width: 480px) {
  .nav__title {
    font-size: 16px;
  }

  .nav__actions .btn--ghost {
    display: none;
  }

  .hero__mark {
    min-height: 140px;
  }

  .hero__title-layer {
    flex-direction: column;
    gap: 16px;
    font-size: 36px;
  }

  .hero__cta {
    width: auto;
    min-width: 240px;
    height: 50px;
    padding: 0 24px;
    font-size: 22.5px;
    border-radius: 25px;
  }

  .hero__version {
    font-size: 13px;
  }

  .platform-chip {
    font-size: 13px;
  }

  .section__header h2 {
    font-size: 28px;
  }

  .download-card {
    padding: 22px;
  }

  .download-card__actions .btn {
    width: 100%;
  }
}