:root {
  color-scheme: light;
  --ink: #102126;
  --ink-soft: #263c41;
  --paper: #f3f7f5;
  --paper-deep: #e8f0ed;
  --surface: #ffffff;
  --surface-tint: #edf5f2;
  --muted: #53666b;
  --line: #cfdcd8;
  --accent: #116f68;
  --accent-strong: #095a55;
  --accent-soft: #c7e8e3;
  --night: #071417;
  --night-soft: #0b2024;
  --white: #f8fbfa;
  --shadow: 0 24px 64px rgba(16, 44, 43, 0.11);
  --shadow-soft: 0 14px 40px rgba(16, 44, 43, 0.08);
  --container: 1180px;
  --radius-xl: 32px;
  --radius-lg: 22px;
  --radius-md: 14px;
  --focus: #0e8178;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--paper);
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 8% 12%, rgba(17, 111, 104, 0.07), transparent 22rem),
    var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  z-index: -1;
  inset: 0;
  content: "";
  pointer-events: none;
  opacity: 0.22;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 140 140' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.76' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.055'/%3E%3C/svg%3E");
}

img,
svg {
  max-width: 100%;
}

img {
  display: block;
  height: auto;
}

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

button,
input,
textarea {
  font: inherit;
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 9px 14px;
  border-radius: 10px;
  color: var(--night);
  background: var(--accent-soft);
  font-weight: 700;
  transform: translateY(-160%);
  transition: transform 180ms ease;
}

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

.container {
  width: min(calc(100% - 48px), var(--container));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  border-bottom: 1px solid rgba(207, 220, 216, 0.72);
  background: rgba(243, 247, 245, 0.86);
  backdrop-filter: blur(18px) saturate(1.2);
}

.site-header-home {
  color: var(--white);
  border-bottom-color: rgba(181, 211, 208, 0.1);
  background: rgba(7, 20, 23, 0.92);
}

.site-header-home .brand span span {
  color: #8ea1a4;
}

.site-header-home .nav-toggle {
  color: var(--white);
  border-color: rgba(206, 225, 224, 0.2);
  background: rgba(255, 255, 255, 0.04);
}

.nav-shell {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex: 0 0 auto;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", sans-serif;
  font-size: 20px;
  font-weight: 760;
  letter-spacing: -0.025em;
}

.brand img {
  width: 34px;
  height: 34px;
  border-radius: 9px;
}

.brand span span {
  color: var(--muted);
  font-weight: 600;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 5px;
}

.nav-links > a,
.nav-dropdown > summary {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  padding: 0 13px;
  border-radius: 10px;
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 650;
  cursor: pointer;
  transition: color 180ms ease, background 180ms ease, transform 180ms ease;
}

.nav-links > a:hover,
.nav-links > a:focus-visible,
.nav-dropdown > summary:hover,
.nav-dropdown > summary:focus-visible,
.nav-links > a[aria-current="page"] {
  color: var(--accent-strong);
  background: rgba(17, 111, 104, 0.09);
}

.nav-dropdown {
  position: relative;
}

.nav-dropdown > summary {
  list-style: none;
}

.nav-dropdown > summary::-webkit-details-marker {
  display: none;
}

.nav-dropdown > summary::after {
  width: 7px;
  height: 7px;
  margin-left: 9px;
  content: "";
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  transition: transform 180ms ease;
}

.nav-dropdown[open] > summary::after {
  transform: rotate(225deg) translate(-2px, -1px);
}

.nav-panel {
  position: absolute;
  top: calc(100% + 9px);
  right: 0;
  width: 316px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.97);
  box-shadow: var(--shadow-soft);
}

.nav-product {
  display: grid;
  grid-template-columns: 44px 1fr;
  align-items: center;
  gap: 12px;
  padding: 11px;
  border-radius: 12px;
  transition: background 180ms ease, transform 180ms ease;
}

.nav-product:hover,
.nav-product:focus-visible {
  background: var(--surface-tint);
  transform: translateX(2px);
}

.nav-product img {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  object-fit: cover;
  box-shadow: 0 8px 18px rgba(16, 44, 43, 0.12);
}

.nav-product strong,
.nav-product small {
  display: block;
}

.nav-product strong {
  color: var(--ink);
  font-size: 14px;
}

.nav-product small {
  margin-top: 1px;
  color: var(--muted);
  font-size: 12px;
}

.language-link {
  border: 1px solid var(--line);
}

@media (min-width: 781px) {
  .site-header-home .nav-links > a,
  .site-header-home .nav-dropdown > summary {
    color: #d4e0e1;
  }

  .site-header-home .nav-links > a:hover,
  .site-header-home .nav-links > a:focus-visible,
  .site-header-home .nav-dropdown > summary:hover,
  .site-header-home .nav-dropdown > summary:focus-visible {
    color: #b7ebe6;
    background: rgba(169, 228, 222, 0.08);
  }

  .site-header-home .language-link {
    border-color: rgba(206, 225, 224, 0.2);
  }
}

.nav-toggle {
  width: 44px;
  height: 44px;
  display: none;
  place-items: center;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--ink);
  background: var(--surface);
  cursor: pointer;
}

.nav-toggle span,
.nav-toggle::before,
.nav-toggle::after {
  width: 18px;
  height: 1.5px;
  display: block;
  content: "";
  background: currentColor;
  transition: transform 180ms ease, opacity 180ms ease;
}

.nav-toggle span {
  margin-block: 4px;
}

.nav-toggle[aria-expanded="true"]::before {
  transform: translateY(5.5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"]::after {
  transform: translateY(-5.5px) rotate(-45deg);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 104px 0 118px;
  color: var(--white);
  background:
    radial-gradient(circle at 76% 22%, rgba(61, 178, 166, 0.18), transparent 28rem),
    linear-gradient(135deg, var(--night), #0b1d22 54%, #0c2728);
}

.brand-hero {
  min-height: calc(100dvh - 74px);
  display: grid;
  align-items: center;
  padding: clamp(74px, 8vh, 112px) 0 clamp(96px, 10vh, 132px);
}

.hero::after {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
  opacity: 0.35;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 84px 84px;
  mask-image: linear-gradient(to bottom, #000, transparent 86%);
}

.brand-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(440px, 0.82fr);
  align-items: center;
  gap: clamp(54px, 7vw, 110px);
}

.brand-hero-copy h1 {
  max-width: 720px;
  font-size: clamp(48px, 4vw, 58px);
  line-height: 1.1;
  text-wrap: balance;
}

.brand-hero-copy .hero-copy {
  max-width: 660px;
}

.motion-stage {
  position: relative;
  min-height: min(58vw, 610px);
  display: grid;
  place-items: center;
}

.motion-stage::before,
.motion-stage::after {
  position: absolute;
  content: "";
  border-radius: 50%;
  pointer-events: none;
}

.motion-stage::before {
  width: min(35vw, 430px);
  aspect-ratio: 1;
  background:
    conic-gradient(from 0deg, transparent 0 238deg, rgba(169, 228, 222, 0.76) 278deg, rgba(17, 111, 104, 0.62) 320deg, transparent 350deg),
    conic-gradient(from 180deg, rgba(17, 111, 104, 0.2), rgba(17, 111, 104, 0.02), rgba(17, 111, 104, 0.2));
  filter: drop-shadow(0 0 16px rgba(17, 111, 104, 0.22));
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 3px), #000 calc(100% - 1px));
  mask: radial-gradient(farthest-side, transparent calc(100% - 3px), #000 calc(100% - 1px));
  animation: orbit-spin 17s linear infinite;
}

.motion-stage::after {
  width: min(47vw, 580px);
  aspect-ratio: 1;
  background:
    conic-gradient(from 118deg, transparent 0 212deg, rgba(222, 239, 237, 0.52) 276deg, rgba(17, 111, 104, 0.2) 314deg, transparent 344deg),
    conic-gradient(from 0deg, rgba(182, 208, 204, 0.16), rgba(182, 208, 204, 0.025), rgba(182, 208, 204, 0.16));
  filter: drop-shadow(0 0 18px rgba(169, 228, 222, 0.1));
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 2px), #000 calc(100% - 1px));
  mask: radial-gradient(farthest-side, transparent calc(100% - 2px), #000 calc(100% - 1px));
  animation: orbit-spin-reverse 25s linear infinite;
}

.brand-logo-panel {
  position: relative;
  z-index: 2;
  width: min(25vw, 310px);
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: 50%;
  filter: drop-shadow(0 34px 64px rgba(0, 0, 0, 0.28));
}

.brand-logo-fallback,
.brand-logo-animation {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.brand-logo-fallback {
  opacity: 1;
  transition: opacity 180ms ease;
}

.brand-logo-animation {
  opacity: 0;
  transition: opacity 180ms ease;
}

.brand-logo-animation svg {
  width: 100% !important;
  height: 100% !important;
  display: block;
}

.brand-logo-panel.is-ready .brand-logo-fallback {
  opacity: 0;
}

.brand-logo-panel.is-ready .brand-logo-animation {
  opacity: 1;
}

.signal-node {
  position: absolute;
  z-index: 3;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #d8efec;
  box-shadow: 0 0 0 8px rgba(169, 228, 222, 0.08), 0 0 22px rgba(169, 228, 222, 0.24);
}

.signal-node:nth-child(1) {
  top: 18%;
  right: 24%;
}

.signal-node:nth-child(2) {
  bottom: 29%;
  left: 17%;
}

.signal-node:nth-child(3) {
  right: 16%;
  bottom: 21%;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 20px;
  color: #9cded7;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.eyebrow::before {
  width: 30px;
  height: 1px;
  content: "";
  background: currentColor;
}

h1,
h2,
h3 {
  margin-top: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", sans-serif;
  text-wrap: balance;
}

h1 {
  max-width: 720px;
  margin-bottom: 24px;
  font-size: clamp(44px, 5.6vw, 76px);
  font-weight: 720;
  line-height: 1.07;
  letter-spacing: -0.038em;
}

.hero-copy {
  max-width: 640px;
  margin: 0;
  color: #c1d0d2;
  font-size: clamp(18px, 2vw, 21px);
  line-height: 1.72;
  text-wrap: pretty;
}

.hero-actions,
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 13px;
  margin-top: 34px;
}

.section-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 28px;
}

.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 13px;
  font-size: 15px;
  font-weight: 720;
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.app-store-badge {
  width: 150px;
  height: 50px;
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  border-radius: 9px;
  transition: transform 180ms ease, filter 180ms ease;
}

.app-store-badge img {
  width: 150px;
  height: 50px;
  display: block;
}

.app-store-badge:hover,
.app-store-badge:focus-visible {
  filter: brightness(1.08);
  transform: translateY(-2px);
}

.button-primary {
  color: #062a28;
  background: #a9e4de;
  box-shadow: 0 14px 34px rgba(31, 152, 141, 0.2);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: #c5eee9;
  transform: translateY(-2px);
}

.button-secondary {
  color: var(--white);
  border-color: rgba(206, 225, 224, 0.24);
  background: rgba(255, 255, 255, 0.045);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  border-color: rgba(169, 228, 222, 0.56);
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-2px);
}

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

.button-dark:hover,
.button-dark:focus-visible {
  background: var(--accent-strong);
  transform: translateY(-2px);
}

.button-text {
  min-height: 44px;
  color: var(--accent-strong);
  background: transparent;
}

.button-text:hover,
.button-text:focus-visible {
  background: rgba(17, 111, 104, 0.08);
}

.button:active {
  transform: translateY(1px) scale(0.985);
}

.hero-visual {
  position: relative;
}

.hero-visual::before {
  position: absolute;
  inset: 12% -8% -10% 8%;
  content: "";
  border-radius: 50%;
  background: rgba(56, 171, 160, 0.2);
  filter: blur(42px);
}

.hero-shot {
  position: relative;
  width: 100%;
  border: 1px solid rgba(205, 231, 227, 0.2);
  border-radius: 24px;
  box-shadow: 0 42px 100px rgba(0, 0, 0, 0.3);
  transform: rotate(1.2deg);
}

.proof-strip {
  position: relative;
  z-index: 2;
  margin-top: -34px;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(16px);
}

.proof-item {
  min-height: 88px;
  display: grid;
  align-content: center;
  padding: 18px 24px;
  border-right: 1px solid var(--line);
}

.proof-item:last-child {
  border-right: 0;
}

.proof-item strong,
.proof-item span {
  display: block;
}

@keyframes orbit-spin {
  to { transform: rotate(360deg); }
}

@keyframes orbit-spin-reverse {
  to { transform: rotate(-360deg); }
}

.proof-item strong {
  font-size: 15px;
}

.proof-item span {
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
}

.section {
  padding: 122px 0 136px;
}

#workflows {
  padding-bottom: 64px;
}

#iwallpaper-feature {
  padding-top: 64px;
}

.section-compact {
  padding: 84px 0 96px;
}

.section-tint {
  background:
    radial-gradient(circle at 88% 18%, rgba(17, 111, 104, 0.09), transparent 26rem),
    var(--paper-deep);
}

.section-night {
  color: var(--white);
  background:
    radial-gradient(circle at 75% 15%, rgba(64, 169, 158, 0.15), transparent 30rem),
    var(--night);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 56px;
}

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

.section-label {
  margin: 0 0 14px;
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 720;
  letter-spacing: 0.08em;
}

.section-night .section-label {
  color: #9cded7;
}

h2 {
  margin-bottom: 20px;
  font-size: clamp(36px, 4.8vw, 62px);
  font-weight: 710;
  line-height: 1.09;
  letter-spacing: -0.035em;
}

h3 {
  margin-bottom: 10px;
  font-size: clamp(23px, 2.3vw, 31px);
  font-weight: 690;
  line-height: 1.25;
  letter-spacing: -0.022em;
}

.section-heading > p:not(.section-label),
.lead {
  max-width: 680px;
  margin: 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.75;
  text-wrap: pretty;
}

.section-night .section-heading > p:not(.section-label),
.section-night .lead {
  color: #aebfc1;
}

.workflow-list {
  display: grid;
  gap: 76px;
}

.workflow {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.72fr);
  align-items: center;
  gap: 72px;
}

.workflow:nth-child(even) .workflow-media {
  order: 2;
}

.workflow-media {
  position: relative;
}

.workflow-media img {
  border-radius: 22px;
  box-shadow: var(--shadow);
}

.workflow-index {
  display: block;
  margin-bottom: 18px;
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 760;
  letter-spacing: 0.1em;
  font-variant-numeric: tabular-nums;
}

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

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.chip-list li {
  padding: 7px 10px;
  border-radius: 8px;
  color: var(--ink-soft);
  background: rgba(17, 111, 104, 0.09);
  font-size: 12px;
  font-weight: 650;
}

.section-night .chip-list li {
  color: #cce3e0;
  background: rgba(159, 218, 211, 0.1);
}

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

.format-column {
  padding: 28px;
  border-radius: 20px;
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.format-column h3 {
  font-size: 20px;
}

.format-column p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 18px;
}

.guide-card {
  min-height: 220px;
  grid-column: span 4;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 26px;
  border: 1px solid transparent;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--shadow-soft);
  transition: transform 190ms ease, border-color 190ms ease, background 190ms ease;
}

.guide-card:nth-child(1),
.guide-card:nth-child(5) {
  grid-column: span 8;
}

.guide-card:hover,
.guide-card:focus-visible {
  border-color: rgba(17, 111, 104, 0.28);
  background: var(--surface);
  transform: translateY(-4px);
}

.guide-card small {
  color: var(--accent-strong);
  font-weight: 720;
}

.guide-card h3 {
  margin: 10px 0 20px;
  font-size: 24px;
}

.guide-card span {
  color: var(--muted);
  font-size: 14px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.product-card {
  min-height: 390px;
  display: grid;
  grid-template-rows: auto 1fr auto;
  padding: 34px;
  overflow: hidden;
  border-radius: 26px;
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.product-card-wallpaper {
  background:
    radial-gradient(circle at 80% 0, rgba(43, 137, 197, 0.18), transparent 16rem),
    var(--surface);
}

.product-card-password {
  background:
    radial-gradient(circle at 82% 0, rgba(17, 111, 104, 0.14), transparent 16rem),
    var(--surface);
}

.product-icon {
  width: 78px;
  height: 78px;
  margin-bottom: 34px;
  border-radius: 20px;
  object-fit: cover;
  box-shadow: 0 16px 34px rgba(16, 44, 43, 0.16);
}

.product-card p {
  max-width: 500px;
  margin: 0;
  color: var(--muted);
}

.product-card .button-text {
  justify-self: start;
  margin-top: 28px;
  padding-inline: 0;
}

.home-product-feature {
  padding: 40px;
  border-radius: 28px;
  box-shadow: var(--shadow-soft);
}

.compressor-feature {
  background:
    radial-gradient(circle at 82% 0, rgba(65, 76, 190, 0.16), transparent 24rem),
    var(--surface);
}

.wallpaper-feature {
  background:
    radial-gradient(circle at 82% 0, rgba(43, 137, 197, 0.15), transparent 24rem),
    var(--surface);
}

.home-product-feature .product-icon {
  margin-bottom: 22px;
}

.home-product-feature .hero-actions {
  margin-top: 28px;
}

.secondary-product {
  margin: 30px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.secondary-product a {
  margin-left: 6px;
  color: var(--accent-strong);
  font-weight: 700;
}

.principle-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 34px;
}

.principle {
  padding-top: 22px;
  border-top: 1px solid rgba(182, 208, 204, 0.22);
}

.principle small {
  color: #96d5cf;
  font-weight: 720;
  font-variant-numeric: tabular-nums;
}

.principle h3 {
  margin-top: 30px;
  font-size: 22px;
}

.principle p {
  margin: 0;
  color: #aebfc1;
  font-size: 15px;
}

.cta-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 40px;
  padding: 48px 54px;
  border-radius: 28px;
  color: var(--white);
  background:
    radial-gradient(circle at 92% 10%, rgba(102, 206, 195, 0.22), transparent 17rem),
    var(--night-soft);
  box-shadow: var(--shadow);
}

.cta-panel h2 {
  max-width: 690px;
  margin-bottom: 12px;
  font-size: clamp(32px, 4vw, 52px);
}

.cta-panel p {
  margin: 0;
  color: #b3c6c7;
}

.cta-panel .cta-actions {
  margin-top: 0;
}

.page-hero {
  overflow: hidden;
  padding: 92px 0 94px;
  color: var(--white);
  background:
    radial-gradient(circle at 80% 0%, rgba(53, 167, 156, 0.19), transparent 28rem),
    var(--night);
}

.page-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(440px, 1.18fr);
  align-items: center;
  gap: 70px;
}

.page-hero h1 {
  font-size: clamp(42px, 5vw, 68px);
}

.page-hero .hero-shot {
  transform: none;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
  color: #9eb1b3;
  font-size: 13px;
}

.breadcrumbs a:hover,
.breadcrumbs a:focus-visible {
  color: var(--white);
}

.detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
  gap: 78px;
  align-items: start;
}

.detail-aside {
  position: sticky;
  top: 104px;
}

.detail-aside h2 {
  font-size: clamp(34px, 4vw, 50px);
}

.detail-content {
  display: grid;
  gap: 22px;
}

.detail-card {
  padding: 32px;
  border-radius: 20px;
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.detail-card h3 {
  font-size: 23px;
}

.detail-card p,
.detail-card li {
  color: var(--muted);
}

.detail-card ul,
.plain-list {
  margin: 16px 0 0;
  padding-left: 1.2em;
}

.detail-card li + li,
.plain-list li + li {
  margin-top: 8px;
}

.screenshot-gallery {
  display: grid;
  gap: 28px;
}

.screenshot-gallery figure {
  margin: 0;
}

.screenshot-gallery img {
  border-radius: 22px;
  box-shadow: var(--shadow);
}

.screenshot-gallery figcaption {
  margin-top: 12px;
  color: var(--muted);
  font-size: 13px;
}

.guide-hero {
  padding: 86px 0 80px;
}

.guide-hero .container {
  max-width: 960px;
}

.guide-hero h1 {
  max-width: 900px;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 70px;
  align-items: start;
}

.article-body {
  min-width: 0;
}

.article-body h2 {
  margin-top: 68px;
  font-size: clamp(30px, 3.8vw, 44px);
}

.article-body h2:first-child {
  margin-top: 0;
}

.article-body p,
.article-body li {
  color: var(--ink-soft);
}

.article-body img {
  margin: 34px 0;
  border-radius: 20px;
  box-shadow: var(--shadow-soft);
}

.steps {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: steps;
}

.steps li {
  position: relative;
  min-height: 48px;
  padding: 4px 0 24px 58px;
  counter-increment: steps;
}

.steps li::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  content: counter(steps, decimal-leading-zero);
  border-radius: 11px;
  color: var(--accent-strong);
  background: var(--accent-soft);
  font-size: 12px;
  font-weight: 760;
  font-variant-numeric: tabular-nums;
}

.article-aside {
  position: sticky;
  top: 104px;
  padding: 24px;
  border-radius: 18px;
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.article-aside strong {
  display: block;
  margin-bottom: 12px;
}

.article-aside a:not(.button) {
  display: block;
  padding: 7px 0;
  color: var(--muted);
  font-size: 14px;
}

.article-aside .button,
.article-aside .app-store-badge {
  margin-top: 18px;
}

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

.manual-section {
  scroll-margin-top: 120px;
}

.manual-section + .manual-section {
  margin-top: 76px;
  padding-top: 72px;
  border-top: 1px solid var(--line);
}

.manual-section h2 {
  margin-top: 10px;
}

.manual-section h3 {
  margin: 34px 0 12px;
  font-size: 22px;
}

.manual-section .format-line {
  margin-top: 26px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 720;
  letter-spacing: 0.04em;
}

.manual-toc a[href^="#"] {
  transition: color 180ms ease, transform 180ms ease;
}

.manual-toc a[href^="#"]:hover,
.manual-toc a[href^="#"]:focus-visible {
  color: var(--accent-strong);
  transform: translateX(3px);
}

.notice {
  margin: 30px 0;
  padding: 20px 22px;
  border-left: 3px solid var(--accent);
  border-radius: 0 14px 14px 0;
  color: var(--ink-soft);
  background: var(--surface-tint);
}

.legal-page {
  max-width: 800px;
}

.legal-page h1 {
  margin-bottom: 20px;
  color: var(--ink);
  font-size: clamp(40px, 5vw, 62px);
}

.legal-page h2 {
  margin-top: 52px;
  font-size: 28px;
}

.legal-page p,
.legal-page li {
  color: var(--ink-soft);
}

.support-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.support-card {
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 28px;
  border-radius: 20px;
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.support-card p {
  color: var(--muted);
}

.site-footer {
  padding: 72px 0 28px;
  color: #b7c6c7;
  background: var(--night);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(220px, 1.5fr) repeat(2, 1fr);
  gap: 48px;
  padding-bottom: 54px;
}

.footer-brand p {
  max-width: 320px;
  margin: 18px 0 0;
  color: #91a4a6;
  font-size: 14px;
}

.footer-group strong {
  display: block;
  margin-bottom: 14px;
  color: var(--white);
  font-size: 14px;
}

.footer-group a {
  display: block;
  width: fit-content;
  padding: 4px 0;
  color: #9fb0b2;
  font-size: 13px;
  transition: color 180ms ease;
}

.footer-group a:hover,
.footer-group a:focus-visible {
  color: #bfe7e2;
}

.footer-bottom {
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding-top: 20px;
  border-top: 1px solid rgba(190, 217, 213, 0.12);
  color: #829597;
  font-size: 12px;
  text-align: center;
}

.footer-bottom.has-records {
  justify-content: space-between;
  text-align: left;
}

.footer-meta {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.footer-meta a {
  color: inherit;
  transition: color 180ms ease;
}

.footer-meta a:hover,
.footer-meta a:focus-visible {
  color: #bfe7e2;
}

.footer-records a {
  color: inherit;
  transition: color 180ms ease;
}

.footer-records a:hover,
.footer-records a:focus-visible {
  color: #bfe7e2;
}

.footer-records {
  display: none;
  flex-wrap: wrap;
  gap: 14px;
}

.footer-records.is-visible {
  display: flex;
}

.footer-records a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer-records img {
  width: 16px;
  height: 17px;
}

.not-found {
  min-height: calc(100dvh - 74px);
  display: grid;
  place-items: center;
  padding: 70px 0;
  color: var(--white);
  background:
    radial-gradient(circle at 70% 20%, rgba(61, 178, 166, 0.18), transparent 24rem),
    var(--night);
}

.not-found-inner {
  max-width: 760px;
  text-align: center;
}

.not-found-code {
  display: block;
  color: #8ed5cf;
  font-size: 14px;
  font-weight: 760;
  letter-spacing: 0.16em;
}

.not-found h1 {
  margin-top: 18px;
}

.not-found p {
  color: #aebfc1;
  font-size: 18px;
}

.not-found .hero-actions {
  justify-content: center;
}

@media (max-width: 980px) {
  .brand-hero-grid,
  .page-hero-grid {
    grid-template-columns: 1fr;
    gap: 52px;
  }

  .brand-hero-copy {
    max-width: 780px;
  }

  .motion-stage {
    width: min(100%, 640px);
    min-height: 540px;
    justify-self: center;
  }

  .motion-stage::before {
    width: 410px;
  }

  .motion-stage::after {
    width: 540px;
  }

  .brand-logo-panel {
    width: 290px;
  }

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

  .hero-visual,
  .page-hero-grid .hero-visual {
    max-width: 760px;
  }

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

  .workflow:nth-child(even) .workflow-media {
    order: initial;
  }

  .format-board,
  .principle-grid,
  .support-grid {
    grid-template-columns: 1fr;
  }

  .guide-card,
  .guide-card:nth-child(1),
  .guide-card:nth-child(5) {
    grid-column: span 6;
  }

  .detail-grid,
  .article-layout {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .detail-aside,
  .article-aside {
    position: static;
  }

  .article-aside {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px 28px;
  }

  .article-aside strong,
  .article-aside .button,
  .article-aside .app-store-badge {
    grid-column: 1 / -1;
  }
}

@media (max-width: 780px) {
  .container {
    width: min(calc(100% - 36px), var(--container));
  }

  .nav-shell {
    min-height: 68px;
  }

  .nav-toggle {
    display: grid;
  }

  .nav-links {
    position: absolute;
    top: 68px;
    right: 18px;
    left: 18px;
    display: none;
    align-items: stretch;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-soft);
  }

  .nav-links[data-open="true"] {
    display: grid;
  }

  .nav-links > a,
  .nav-dropdown > summary {
    width: 100%;
    justify-content: space-between;
  }

  .nav-panel {
    position: static;
    width: auto;
    margin: 4px 0 8px;
    box-shadow: none;
  }

  .brand-hero {
    min-height: calc(100dvh - 68px);
    padding: 74px 0 92px;
  }

  .brand-hero-grid {
    gap: 48px;
  }

  .brand-hero-copy h1 {
    font-size: clamp(46px, 11vw, 64px);
  }

  .motion-stage {
    min-height: 340px;
  }

  .motion-stage::before {
    width: 260px;
  }

  .motion-stage::after {
    width: 330px;
  }

  .brand-logo-panel {
    width: 180px;
  }

  h1 {
    font-size: clamp(41px, 12.3vw, 60px);
  }

  .hero-shot {
    border-radius: 18px;
    transform: none;
  }

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

  .proof-item:nth-child(2) {
    border-right: 0;
  }

  .proof-item:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .section {
    padding: 92px 0 104px;
  }

  .section-compact {
    padding: 68px 0 78px;
  }

  .section-heading {
    margin-bottom: 42px;
  }

  h2 {
    font-size: clamp(34px, 10.5vw, 49px);
  }

  .workflow-list {
    gap: 58px;
  }

  .guide-card,
  .guide-card:nth-child(1),
  .guide-card:nth-child(5) {
    grid-column: 1 / -1;
  }

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

  .product-card {
    min-height: 350px;
  }

  .home-product-feature {
    padding: 28px;
  }

  .cta-panel {
    grid-template-columns: 1fr;
    padding: 36px 28px;
  }

  .cta-panel .cta-actions {
    margin-top: 4px;
  }

  .page-hero,
  .guide-hero {
    padding: 68px 0 74px;
  }

  .manual-section + .manual-section {
    margin-top: 58px;
    padding-top: 54px;
  }

  .manual-toc {
    grid-template-columns: 1fr;
  }

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

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

  .footer-bottom {
    flex-direction: column;
  }

  .footer-bottom.has-records {
    align-items: flex-start;
  }

}

@media (max-width: 480px) {
  .brand {
    font-size: 18px;
  }

  .hero-actions,
  .cta-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .brand-hero-copy h1 {
    font-size: clamp(42px, 12vw, 52px);
  }

  .hero-actions .button,
  .cta-actions .button {
    width: 100%;
  }

  .proof-item {
    padding-inline: 16px;
  }

  .workflow-copy p,
  .lead,
  .section-heading > p:not(.section-label) {
    font-size: 16px;
  }

  .format-column,
  .product-card,
  .detail-card,
  .support-card {
    padding: 24px;
  }

  .article-aside {
    display: block;
  }

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

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

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

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