:root {
  --bg: #eefaf6;
  --bg-2: #fff7f3;
  --surface: rgba(255, 255, 255, .64);
  --surface-solid: #ffffff;
  --surface-strong: rgba(238, 248, 245, .74);
  --ink: #102027;
  --muted: #607079;
  --muted-strong: #3d555d;
  --teal: #06b8a6;
  --teal-dark: #008d7f;
  --coral: #ff786d;
  --line: rgba(16, 32, 39, .1);
  --glass-line: rgba(255, 255, 255, .74);
  --shadow: 0 24px 70px rgba(16, 32, 39, .14);
  --soft-shadow: 0 14px 38px rgba(16, 32, 39, .11);
  --radius: 8px;
  --max: 1180px;
}

[data-theme="dark"] {
  --bg: #071312;
  --bg-2: #101722;
  --surface: rgba(13, 31, 31, .56);
  --surface-solid: #10201f;
  --surface-strong: rgba(12, 48, 45, .66);
  --ink: #effffc;
  --muted: #c7d8d4;
  --muted-strong: #e4f3ef;
  --teal: #16d9c3;
  --teal-dark: #69f5e6;
  --coral: #ff8f83;
  --line: rgba(230, 255, 250, .14);
  --glass-line: rgba(255, 255, 255, .18);
  --shadow: 0 26px 82px rgba(0, 0, 0, .42);
  --soft-shadow: 0 16px 44px rgba(0, 0, 0, .32);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(1200px 620px at 12% 10%, rgba(6, 184, 166, .24), transparent 60%),
    radial-gradient(900px 500px at 86% 22%, rgba(255, 120, 109, .2), transparent 62%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 48%, #f7fbff 100%);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  letter-spacing: 0;
  overflow-x: hidden;
}

[data-theme="dark"] body {
  background:
    radial-gradient(1100px 620px at 10% 8%, rgba(22, 217, 195, .22), transparent 62%),
    radial-gradient(900px 520px at 86% 20%, rgba(255, 120, 109, .16), transparent 64%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 56%, #080d12 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(0, 141, 127, .055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 141, 127, .055) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,.7), transparent 70%);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(115deg, transparent 0%, rgba(255,255,255,.28) 18%, transparent 36%),
    linear-gradient(245deg, transparent 0%, rgba(6,184,166,.12) 24%, transparent 44%);
  opacity: .62;
  transform: translate3d(-8%, 0, 0);
  animation: liquidSheen 12s ease-in-out infinite alternate;
}

[data-theme="dark"] body::after {
  background:
    linear-gradient(115deg, transparent 0%, rgba(255,255,255,.08) 18%, transparent 36%),
    linear-gradient(245deg, transparent 0%, rgba(22,217,195,.16) 24%, transparent 44%);
  opacity: .7;
}

@keyframes liquidSheen {
  from { transform: translate3d(-8%, -2%, 0) skewY(-2deg); }
  to { transform: translate3d(8%, 2%, 0) skewY(2deg); }
}

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

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

.site-header {
  position: fixed;
  top: 14px;
  left: 50%;
  z-index: 50;
  width: min(var(--max), calc(100% - 28px));
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px 10px 14px;
  border: 1px solid var(--glass-line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 16px 48px rgba(16, 32, 39, .1);
  backdrop-filter: blur(24px) saturate(1.35);
  transform: translateX(-50%);
}

.site-header::after,
.download-tile::before,
.feature-card::before,
.number-card::before,
.business-panel::before {
  content: "";
  position: absolute;
  inset: 1px;
  border-radius: inherit;
  pointer-events: none;
  background: linear-gradient(145deg, rgba(255,255,255,.34), transparent 38%, rgba(255,255,255,.08));
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 18px;
}

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  box-shadow: 0 10px 22px rgba(0, 184, 166, .25);
}

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

.site-nav a {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  padding: 0 14px;
  border-radius: 6px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  transition: background .2s ease, color .2s ease, transform .2s ease;
}

.site-nav a:hover {
  background: rgba(6, 184, 166, .1);
  color: var(--teal-dark);
  transform: translateY(-1px);
}

.menu-button {
  display: none;
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: 6px;
  background: rgba(6, 184, 166, .1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.theme-toggle {
  position: relative;
  width: 62px;
  height: 38px;
  border: 1px solid var(--glass-line);
  border-radius: 999px;
  background: rgba(255,255,255,.4);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.45), 0 10px 24px rgba(16,32,39,.08);
  cursor: pointer;
  transition: background .25s ease, border-color .25s ease;
}

[data-theme="dark"] .theme-toggle {
  background: rgba(9, 23, 25, .62);
}

.theme-toggle::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 4px;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background: var(--surface-solid);
  box-shadow: 0 8px 18px rgba(16,32,39,.18);
  transition: transform .25s ease, background .25s ease;
}

[data-theme="dark"] .theme-toggle::before {
  transform: translateX(24px);
  background: #153230;
}

.theme-icon {
  position: absolute;
  top: 50%;
  width: 12px;
  height: 12px;
  transform: translateY(-50%);
  border-radius: 999px;
}

.theme-sun {
  left: 12px;
  background: #ffc247;
}

.theme-moon {
  right: 12px;
  background: #7eece0;
  box-shadow: inset 4px -2px 0 #153230;
}

.menu-button span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 5px auto;
  background: var(--ink);
  transition: transform .2s ease, opacity .2s ease;
}

.menu-open .menu-button span:first-child {
  transform: translateY(3.5px) rotate(45deg);
}

.menu-open .menu-button span:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

.section-band {
  position: relative;
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  min-height: 100vh;
  padding: 132px 0 88px;
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(360px, 1fr);
  gap: 54px;
  align-items: center;
}

.hero-copy {
  max-width: 680px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--teal-dark);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 20px;
  max-width: 720px;
  font-size: clamp(44px, 7vw, 84px);
  line-height: 1.04;
  font-weight: 900;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.12;
  font-weight: 900;
}

h3 {
  margin-bottom: 10px;
  font-size: 21px;
}

.hero-text,
.section-heading p,
.showcase-copy p,
.business-panel p,
.notice-item p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
}

.hero-text {
  max-width: 620px;
  margin-bottom: 30px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}

.primary-button,
.secondary-button {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 7px;
  padding: 0 22px;
  font-weight: 900;
  transition: transform .22s ease, box-shadow .22s ease, background .22s ease;
}

.primary-button {
  background: var(--teal);
  color: #fff;
  box-shadow: 0 18px 32px rgba(6, 184, 166, .27);
}

.secondary-button {
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface-solid) 72%, transparent);
  color: var(--ink);
}

.primary-button:hover,
.secondary-button:hover {
  transform: translateY(-3px);
  box-shadow: var(--soft-shadow);
}

.hero-download-card {
  position: relative;
  z-index: 1;
  width: min(100%, 620px);
  min-height: 118px;
  display: grid;
  grid-template-columns: 72px 1fr auto;
  gap: 16px;
  align-items: center;
  margin: 0 0 22px;
  padding: 18px;
  border: 1px solid var(--glass-line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(255,255,255,.76), rgba(230,250,247,.52)),
    linear-gradient(135deg, rgba(6,184,166,.22), rgba(255,120,109,.12));
  box-shadow: 0 28px 76px rgba(6,184,166,.22);
  backdrop-filter: blur(24px) saturate(1.4);
  overflow: hidden;
  transition: transform .24s ease, box-shadow .24s ease;
}

[data-theme="dark"] .hero-download-card {
  background:
    linear-gradient(135deg, rgba(17,42,40,.82), rgba(16,23,34,.7)),
    linear-gradient(135deg, rgba(22,217,195,.22), rgba(255,120,109,.12));
  box-shadow: 0 30px 86px rgba(0,0,0,.38);
}

.hero-download-card::before {
  content: "";
  position: absolute;
  inset: 1px;
  border-radius: inherit;
  pointer-events: none;
  background: linear-gradient(145deg, rgba(255,255,255,.38), transparent 42%, rgba(255,255,255,.08));
}

.hero-download-card:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: 0 34px 90px rgba(6,184,166,.28);
}

.hero-download-card img {
  width: 72px;
  height: 72px;
  border-radius: 8px;
  box-shadow: 0 18px 34px rgba(6,184,166,.24);
}

.hero-download-copy {
  display: grid;
  gap: 3px;
}

.hero-download-copy small {
  width: fit-content;
  padding: 4px 9px;
  border-radius: 999px;
  background: rgba(230, 250, 247, .86);
  color: var(--teal-dark);
  font-size: 12px;
  font-weight: 900;
}

.hero-download-copy strong {
  font-size: clamp(24px, 4vw, 34px);
  line-height: 1.1;
}

.hero-download-copy em {
  color: var(--muted-strong);
  font-style: normal;
  font-size: 14px;
  font-weight: 700;
}

.hero-download-action {
  min-height: 56px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 7px;
  padding: 0 24px;
  background: var(--teal);
  color: #fff;
  font-size: 16px;
  font-weight: 900;
  box-shadow: 0 18px 36px rgba(6,184,166,.28);
  animation: downloadPulse 2.4s ease-in-out infinite;
}

@keyframes downloadPulse {
  0%, 100% {
    box-shadow: 0 18px 36px rgba(6,184,166,.28), 0 0 0 0 rgba(6,184,166,.22);
  }
  50% {
    box-shadow: 0 22px 46px rgba(6,184,166,.36), 0 0 0 8px rgba(6,184,166,0);
  }
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.trust-row span {
  padding: 8px 12px;
  border: 1px solid rgba(6, 184, 166, .2);
  border-radius: 999px;
  background: color-mix(in srgb, var(--surface-solid) 66%, transparent);
  color: var(--muted-strong);
  font-size: 14px;
  font-weight: 800;
}

[data-theme="dark"] .trust-row span {
  border-color: rgba(105, 245, 230, .22);
  background: rgba(9, 31, 31, .72);
  color: var(--muted-strong);
}

.hero-visual {
  justify-self: center;
  width: min(100%, 540px);
}

.phone-stage {
  position: relative;
  min-height: 600px;
}

.phone-stage::before {
  content: "";
  position: absolute;
  inset: 54px 24px 20px 30px;
  border: 1px solid var(--glass-line);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(255,255,255,.26), rgba(255,255,255,.05)),
    linear-gradient(135deg, rgba(6,184,166,.22), rgba(255,120,109,.16));
  box-shadow: var(--soft-shadow);
  backdrop-filter: blur(20px) saturate(1.4);
  transform: rotate(-3deg);
}

.phone-shell {
  position: absolute;
  overflow: hidden;
  border: 10px solid color-mix(in srgb, var(--ink) 86%, #000 14%);
  border-radius: 34px;
  background: var(--surface-solid);
  box-shadow: var(--shadow);
}

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

.main-phone {
  left: 38px;
  top: 20px;
  width: 286px;
  aspect-ratio: 9 / 16;
}

.side-phone {
  right: 12px;
  top: 104px;
  width: 210px;
  aspect-ratio: 9 / 16;
  transform: rotate(4deg);
}

.floating-card {
  position: absolute;
  z-index: 4;
  display: grid;
  gap: 2px;
  padding: 14px 16px;
  border: 1px solid var(--glass-line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--soft-shadow);
  backdrop-filter: blur(22px) saturate(1.35);
}

.floating-card strong {
  font-size: 15px;
}

.floating-card small {
  color: var(--muted-strong);
  font-weight: 700;
}

.card-status {
  left: 0;
  bottom: 112px;
  grid-template-columns: 10px 1fr;
  align-items: center;
}

.card-status small {
  grid-column: 2;
}

.card-sync {
  right: 18px;
  top: 46px;
}

.pulse-dot {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: var(--coral);
  box-shadow: 0 0 0 0 rgba(255, 120, 109, .45);
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  70% {
    box-shadow: 0 0 0 10px rgba(255, 120, 109, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(255, 120, 109, 0);
  }
}

.download,
.features,
.showcase,
.numbers,
.notices,
.business {
  padding: 84px 0;
}

.section-heading {
  max-width: 730px;
  margin-bottom: 34px;
}

.download-grid,
.feature-grid,
.number-grid {
  display: grid;
  gap: 18px;
}

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

.download-grid.single-download {
  grid-template-columns: minmax(0, 760px);
}

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

.download-tile,
.feature-card,
.number-card,
.notice-item,
.business-panel {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--glass-line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 12px 28px rgba(16, 32, 39, .07);
  backdrop-filter: blur(24px) saturate(1.35);
}

.download-tile {
  min-height: 218px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 22px;
  padding: 34px;
  transition: transform .24s ease, box-shadow .24s ease, border-color .24s ease;
}

.download-option {
  min-height: 236px;
  grid-template-columns: 1fr;
  align-content: start;
  align-items: start;
}

.download-option .download-arrow {
  width: 100%;
  margin-top: auto;
}

.download-option strong {
  font-size: clamp(26px, 3vw, 38px);
}

.recommended-download {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, .72), rgba(230, 250, 247, .5)),
    linear-gradient(135deg, rgba(6, 184, 166, .2), rgba(255, 120, 109, .12));
  box-shadow: 0 32px 90px rgba(6, 184, 166, .22);
}

.recommended-download::after {
  content: "推荐";
  position: absolute;
  right: 18px;
  top: 18px;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--teal);
  color: #fff;
  font-size: 12px;
  font-weight: 900;
}

[data-theme="dark"] .recommended-download {
  background:
    linear-gradient(135deg, rgba(17, 42, 40, .78), rgba(16, 23, 34, .68)),
    linear-gradient(135deg, rgba(22, 217, 195, .22), rgba(255, 120, 109, .12));
  box-shadow: 0 34px 100px rgba(0, 0, 0, .38);
}

.download-tile:hover {
  transform: translateY(-6px) scale(1.015);
  border-color: rgba(6, 184, 166, .28);
  box-shadow: 0 26px 62px rgba(16, 32, 39, .14);
}

.tile-icon {
  width: 92px;
  height: 92px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
  border-radius: 8px;
  background: color-mix(in srgb, var(--surface-solid) 78%, rgba(6,184,166,.18));
  color: var(--teal-dark);
  font-size: 14px;
  font-weight: 900;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.55);
}

[data-theme="dark"] .tile-icon,
[data-theme="dark"] .hero-download-copy small {
  background: rgba(10, 38, 37, .86);
  color: var(--teal-dark);
  border: 1px solid rgba(105, 245, 230, .2);
}

.download-tile strong {
  display: block;
  margin-bottom: 8px;
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1;
}

.download-tile small {
  color: var(--muted-strong);
  font-size: 16px;
  font-weight: 700;
}

.download-arrow {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 7px;
  padding: 0 18px;
  background: var(--teal);
  color: #fff;
  font-weight: 900;
  box-shadow: 0 18px 36px rgba(6,184,166,.28);
}

.feature-grid {
  grid-template-columns: repeat(4, 1fr);
  perspective: 1000px;
}

.feature-card {
  min-height: 238px;
  padding: 24px;
  transform: translate3d(0, var(--parallax-y, 0px), 0);
  transition: transform .22s ease, box-shadow .22s ease, background .22s ease;
  will-change: transform;
}

.feature-card:hover {
  transform: translate3d(0, calc(var(--parallax-y, 0px) - 8px), 0) scale(1.035);
  background: color-mix(in srgb, var(--surface-solid) 84%, transparent);
  box-shadow: 0 30px 72px rgba(16, 32, 39, .17);
}

[data-theme="dark"] .feature-card:hover {
  background: rgba(16, 47, 45, .86);
  box-shadow: 0 30px 72px rgba(0, 0, 0, .42);
}

.feature-mark {
  display: inline-flex;
  margin-bottom: 56px;
  color: var(--coral);
  font-size: 14px;
  font-weight: 900;
}

.feature-card p {
  color: var(--muted-strong);
  line-height: 1.7;
}

.showcase {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 34px;
  align-items: center;
}

.showcase-copy {
  max-width: 430px;
}

.showcase-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  align-items: end;
}

.showcase-strip img {
  width: 100%;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  border: 8px solid color-mix(in srgb, var(--ink) 86%, #000 14%);
  border-radius: 28px;
  box-shadow: var(--soft-shadow);
}

.showcase-strip img:nth-child(2),
.showcase-strip img:nth-child(4) {
  transform: translateY(-28px);
}

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

.number-card {
  min-height: 168px;
  display: grid;
  align-content: center;
  gap: 8px;
  padding: 24px;
}

.number-card strong {
  font-size: clamp(34px, 4vw, 54px);
  line-height: 1;
}

.number-card small {
  color: var(--muted-strong);
  font-weight: 800;
}

.notice-list {
  display: grid;
  gap: 14px;
}

.notice-item {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 18px;
  padding: 22px;
}

.notice-item time {
  color: var(--teal-dark);
  font-weight: 900;
}

.notice-item h3 {
  margin-bottom: 6px;
}

.business-panel {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 28px;
  align-items: center;
  padding: 30px;
  background: linear-gradient(135deg, var(--surface), var(--surface-strong));
}

.contact-card {
  display: grid;
  gap: 8px;
  padding: 20px;
  border-radius: 8px;
  background: color-mix(in srgb, var(--ink) 94%, var(--teal) 6%);
  color: #fff;
}

.contact-card span {
  color: rgba(255,255,255,.62);
  font-size: 13px;
  font-weight: 800;
}

.contact-card a,
.contact-card strong {
  color: #fff;
  font-size: 18px;
}

.support-card {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 60;
  display: grid;
  justify-items: end;
  gap: 8px;
}

.support-toggle {
  min-height: 44px;
  border: 0;
  border-radius: 7px;
  padding: 0 16px;
  background: color-mix(in srgb, var(--ink) 92%, var(--teal) 8%);
  color: #fff;
  font-weight: 900;
  box-shadow: var(--soft-shadow);
  cursor: pointer;
}

.support-panel {
  display: none;
  width: 180px;
  overflow: hidden;
  border: 1px solid var(--glass-line);
  border-radius: 8px;
  background: color-mix(in srgb, var(--surface-solid) 72%, transparent);
  backdrop-filter: blur(20px) saturate(1.35);
  box-shadow: var(--soft-shadow);
}

[data-theme="dark"] .support-panel {
  background: rgba(12, 35, 34, .9);
}

.support-card.open .support-panel {
  display: grid;
}

.support-panel a {
  padding: 12px 14px;
  color: var(--ink);
  font-weight: 800;
}

.support-panel a + a {
  border-top: 1px solid var(--line);
}

.site-footer {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
  padding: 22px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border: 1px solid var(--glass-line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 14px 38px rgba(16, 32, 39, .08);
  backdrop-filter: blur(22px) saturate(1.35);
  color: var(--muted);
  font-size: 14px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-brand img {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  box-shadow: 0 10px 22px rgba(6, 184, 166, .2);
}

.footer-brand div,
.footer-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
}

.footer-brand strong {
  color: var(--ink);
  font-size: 16px;
}

.footer-links a {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0 12px;
  background: color-mix(in srgb, var(--surface-solid) 58%, transparent);
  color: var(--muted-strong);
  font-weight: 800;
}

[data-theme="dark"] .footer-links a {
  background: rgba(9, 31, 31, .72);
}

.reveal,
.reveal-hero {
  opacity: 0;
  transform: translateY(20px);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity .72s ease, transform .72s ease;
}

.reveal-hero {
  animation: heroFadeUp .82s ease forwards;
}

.hero-visual.reveal-hero {
  animation-delay: .14s;
}

.hero-download-card.reveal-hero {
  animation-delay: .08s;
}

@keyframes heroFadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 26px;
    padding-top: 116px;
  }

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

  .phone-stage {
    min-height: 520px;
  }

  .main-phone {
    left: 10%;
    width: 250px;
  }

  .side-phone {
    right: 8%;
    width: 185px;
  }

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

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

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

  .showcase,
  .business-panel {
    grid-template-columns: 1fr;
  }

  .showcase-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    max-width: 620px;
    margin: 0 auto;
  }

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

@media (max-width: 720px) {
  .site-header {
    top: 10px;
    width: calc(100% - 20px);
  }

  .menu-button {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    display: none;
    grid-template-columns: 1fr;
    gap: 0;
    padding: 8px;
    border: 1px solid var(--glass-line);
    border-radius: var(--radius);
    background: color-mix(in srgb, var(--surface-solid) 86%, transparent);
    box-shadow: var(--soft-shadow);
    backdrop-filter: blur(22px) saturate(1.35);
  }

  [data-theme="dark"] .site-nav {
    background: rgba(10, 30, 30, .94);
  }

  .menu-open .site-nav {
    display: grid;
  }

  .site-nav a {
    justify-content: center;
  }

  .hero {
    width: min(100% - 22px, var(--max));
    min-height: auto;
    padding: 112px 0 64px;
  }

  h1 {
    font-size: clamp(42px, 13vw, 64px);
  }

  .hero-text,
  .section-heading p,
  .showcase-copy p,
  .business-panel p,
  .notice-item p {
    font-size: 16px;
  }

  .hero-actions a {
    width: 100%;
  }

  .hero-download-card {
    min-height: 164px;
    grid-template-columns: 64px 1fr;
    gap: 14px;
    padding: 16px;
  }

  .hero-download-card img {
    width: 64px;
    height: 64px;
  }

  .hero-download-action {
    grid-column: 1 / -1;
    width: 100%;
  }

  .phone-stage {
    min-height: 456px;
  }

  .phone-stage::before {
    inset: 36px 4px 14px;
  }

  .main-phone {
    left: 2%;
    top: 14px;
    width: 58%;
    border-width: 7px;
    border-radius: 26px;
  }

  .side-phone {
    right: 0;
    top: 90px;
    width: 43%;
    border-width: 7px;
    border-radius: 24px;
  }

  .card-sync {
    right: 0;
    top: 16px;
  }

  .card-status {
    left: 4px;
    bottom: 42px;
  }

  .download,
  .features,
  .showcase,
  .numbers,
  .notices,
  .business {
    width: min(100% - 22px, var(--max));
    padding: 58px 0;
  }

  .download-grid,
  .feature-grid,
  .number-grid,
  .showcase-strip {
    grid-template-columns: 1fr;
  }

  .download-tile {
    min-height: 238px;
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 26px;
  }

  .tile-icon {
    width: fit-content;
    height: auto;
    min-height: 42px;
    padding: 0 14px;
    border-radius: 999px;
  }

  .download-arrow {
    width: 100%;
  }

  .feature-card {
    min-height: 184px;
  }

  .feature-mark {
    margin-bottom: 28px;
  }

  .showcase-strip {
    max-width: 320px;
    margin: 0 auto;
  }

  .showcase-strip img:nth-child(2),
  .showcase-strip img:nth-child(4) {
    transform: none;
  }

  .notice-item {
    grid-template-columns: 1fr;
  }

  .business-panel {
    padding: 22px;
  }

  .support-card {
    right: 12px;
    bottom: 12px;
  }

  .site-footer {
    width: min(100% - 22px, var(--max));
    padding-bottom: 82px;
    align-items: flex-start;
  }

  .footer-brand,
  .footer-links,
  .footer-brand div {
    width: 100%;
  }

  .footer-links a {
    width: 100%;
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }

  .reveal,
  .reveal-hero {
    opacity: 1;
    transform: none;
  }
}