:root {
  --ink: #0b2635;
  --ink-soft: #476471;
  --navy: #07182b;
  --navy-2: #0c2740;
  --paper: #f7fbfa;
  --white: #ffffff;
  --line: rgba(12, 46, 62, 0.12);
  --cyan: #2ac6ba;
  --cyan-deep: #079c98;
  --mint: #9ce8ce;
  --pink: #ff5c8a;
  --amber: #ffbf69;
  --radius-sm: 14px;
  --radius: 24px;
  --radius-lg: 36px;
  --shadow: 0 24px 80px rgba(7, 31, 45, 0.12);
  --font: "Microsoft YaHei UI", "PingFang SC", "Noto Sans CJK SC", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -3;
  background-image: linear-gradient(rgba(7, 61, 72, 0.025) 1px, transparent 1px), linear-gradient(90deg, rgba(7, 61, 72, 0.025) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, black, transparent 65%);
}

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

button,
input {
  font: inherit;
}

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

code,
pre {
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: -60px;
  z-index: 1000;
  padding: 10px 16px;
  border-radius: 10px;
  background: var(--white);
  color: var(--ink);
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 12px;
}

.page-glow {
  position: absolute;
  z-index: -2;
  border-radius: 50%;
  filter: blur(30px);
  pointer-events: none;
}

.page-glow-a {
  top: 80px;
  left: -180px;
  width: 520px;
  height: 520px;
  background: rgba(61, 211, 190, 0.15);
}

.page-glow-b {
  top: 160px;
  right: -120px;
  width: 430px;
  height: 430px;
  background: rgba(100, 139, 255, 0.12);
}

.section-shell {
  width: min(1180px, calc(100% - 48px));
  margin-inline: auto;
}

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  width: 100%;
  padding: 16px 24px;
  transition: padding 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
}

.site-header.scrolled {
  padding-block: 9px;
  background: rgba(247, 251, 250, 0.84);
  box-shadow: 0 10px 40px rgba(7, 31, 45, 0.08);
  backdrop-filter: blur(18px);
}

.nav-wrap {
  width: min(1240px, 100%);
  min-height: 58px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-size: 17px;
  font-weight: 500;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(25, 155, 198, 0.25);
}

.brand b {
  color: var(--cyan-deep);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  margin-left: auto;
}

.main-nav a {
  position: relative;
  padding: 10px 0;
  color: #34515e;
  font-size: 14px;
  font-weight: 600;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 3px;
  height: 2px;
  border-radius: 2px;
  background: var(--cyan-deep);
  transform: scaleX(0);
  transition: transform 0.2s ease;
}

.main-nav a:hover::after,
.main-nav a.active::after {
  transform: scaleX(1);
}

.nav-download {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 12px 18px;
  border-radius: 13px;
  color: var(--white);
  background: var(--ink);
  font-size: 13px;
  font-weight: 700;
  box-shadow: 0 10px 22px rgba(9, 39, 53, 0.16);
  transition: transform 0.2s ease, background 0.2s ease;
}

.nav-download:hover {
  background: var(--cyan-deep);
  transform: translateY(-2px);
}

.nav-download span {
  color: var(--mint);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 9px;
}

.nav-purchase {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 11px 16px;
  border: 1px solid rgba(9, 157, 156, 0.24);
  border-radius: 13px;
  color: var(--cyan-deep);
  background: #effaf7;
  font-size: 13px;
  font-weight: 800;
  transition: transform 0.2s ease, background 0.2s ease;
}

.nav-purchase:hover {
  background: #dff6ef;
  transform: translateY(-2px);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  margin-left: auto;
  border: 0;
  border-radius: 12px;
  background: var(--white);
  box-shadow: 0 8px 24px rgba(9, 39, 53, 0.1);
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.hero {
  min-height: 760px;
  padding-top: 150px;
  padding-bottom: 90px;
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  align-items: center;
  gap: 72px;
}

.eyebrow,
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 20px;
  color: var(--cyan-deep);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #31c98d;
  box-shadow: 0 0 0 5px rgba(49, 201, 141, 0.12);
}

.hero h1 {
  margin: 0;
  color: #092536;
  font-size: clamp(48px, 5.1vw, 74px);
  line-height: 1.04;
  letter-spacing: -0.055em;
}

.hero h1 em {
  position: relative;
  color: var(--cyan-deep);
  font-style: normal;
}

.hero h1 em::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 100%;
  height: 7px;
  border-radius: 50%;
  background: linear-gradient(90deg, var(--cyan), var(--pink));
  opacity: 0.55;
  transform: rotate(-1deg);
}

.hero-lead {
  max-width: 540px;
  margin: 30px 0 0;
  color: var(--ink-soft);
  font-size: 17px;
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  min-height: 52px;
  padding: 0 22px;
  border-radius: 15px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-size: 14px;
  font-weight: 800;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

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

.button-primary {
  color: var(--white);
  background: linear-gradient(135deg, #0aa5a1, #0a7f93);
  box-shadow: 0 15px 28px rgba(9, 157, 156, 0.25);
}

.button-primary:hover {
  box-shadow: 0 19px 34px rgba(9, 157, 156, 0.32);
}

.button-purchase {
  color: #ffffff;
  background: linear-gradient(135deg, #ff8a34, #f25f3a);
  box-shadow: 0 15px 28px rgba(242, 95, 58, 0.25);
}

.button-purchase:hover {
  box-shadow: 0 19px 34px rgba(242, 95, 58, 0.34);
}

.inline-purchase {
  margin: 0 4px;
  color: var(--cyan-deep);
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.button-icon {
  font-size: 18px;
}

.button-ghost {
  border: 1px solid var(--line);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.75);
}

.button-ghost:hover {
  background: var(--white);
  box-shadow: 0 12px 24px rgba(7, 31, 45, 0.08);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 24px;
  color: #67808a;
  font-size: 12px;
}

.hero-meta span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.hero-meta i {
  display: grid;
  place-items: center;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  color: var(--cyan-deep);
  background: rgba(42, 198, 186, 0.12);
  font-size: 10px;
  font-style: normal;
  font-weight: 900;
}

.product-stage {
  position: relative;
  min-width: 0;
  perspective: 1200px;
}

.stage-orbit {
  position: absolute;
  z-index: -1;
  border: 1px solid rgba(20, 155, 163, 0.13);
  border-radius: 50%;
}

.orbit-one {
  inset: -62px -30px -40px -35px;
  transform: rotate(-11deg);
}

.orbit-two {
  inset: -30px 55px -80px -80px;
  transform: rotate(18deg);
}

.app-window {
  overflow: hidden;
  border: 1px solid rgba(9, 60, 73, 0.12);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 36px 90px rgba(5, 40, 61, 0.2), 0 4px 0 rgba(255, 255, 255, 0.8) inset;
  backdrop-filter: blur(18px);
  transform: rotateY(-4deg) rotateX(1deg);
}

.window-bar {
  height: 54px;
  padding: 0 18px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  border-bottom: 1px solid var(--line);
}

.window-dots {
  display: flex;
  gap: 6px;
}

.window-dots span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #dfe8e7;
}

.window-dots span:first-child { background: #ff7787; }
.window-dots span:nth-child(2) { background: #ffc45d; }
.window-dots span:last-child { background: #40d399; }

.window-title {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  font-weight: 800;
}

.window-title img {
  width: 22px;
  height: 22px;
  border-radius: 7px;
}

.window-live {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 6px;
  color: #3b7d6e;
  font-size: 10px;
  font-weight: 700;
}

.window-live span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #32c98c;
  box-shadow: 0 0 0 4px rgba(50, 201, 140, 0.12);
}

.window-body {
  min-height: 390px;
  display: grid;
  grid-template-columns: 0.68fr 1.42fr 0.92fr;
  background: #f9fbfb;
}

.mock-sidebar,
.mock-controls {
  padding: 20px 16px;
  background: rgba(255, 255, 255, 0.82);
}

.mock-sidebar {
  border-right: 1px solid var(--line);
}

.mock-controls {
  border-left: 1px solid var(--line);
}

.cover-block {
  min-height: 94px;
  padding: 15px;
  border-radius: 15px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: linear-gradient(145deg, #0b2f43, #0e5c62);
  color: var(--white);
}

.cover-block span {
  align-self: flex-start;
  padding: 4px 7px;
  border-radius: 5px;
  background: var(--pink);
  font-size: 7px;
  letter-spacing: 0.1em;
  font-weight: 800;
}

.cover-block b {
  font-size: 12px;
}

.stat-row {
  margin-top: 13px;
  display: flex;
  justify-content: space-between;
  color: #71868e;
  font-size: 9px;
}

.stat-row b {
  color: var(--ink);
}

.connection-pill {
  margin-top: 22px;
  padding: 9px 10px;
  border-radius: 10px;
  color: #278c70;
  background: #e9f9f1;
  font-size: 9px;
  font-weight: 700;
}

.connection-pill span {
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 5px;
  border-radius: 50%;
  background: #36c98e;
}

.mock-feed {
  padding: 20px;
}

.feed-heading {
  margin-bottom: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 10px;
}

.feed-heading span {
  color: #8ca0a7;
  font-size: 8px;
}

.message-line {
  position: relative;
  min-height: 58px;
  margin-top: 10px;
  padding: 10px 9px;
  display: grid;
  grid-template-columns: 32px 1fr auto;
  gap: 9px;
  align-items: center;
  border: 1px solid rgba(8, 54, 67, 0.07);
  border-radius: 12px;
  background: var(--white);
}

.message-line.gift-line {
  border-color: rgba(255, 92, 138, 0.2);
  background: linear-gradient(90deg, rgba(255, 92, 138, 0.05), white);
}

.avatar {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  color: var(--white);
  font-size: 10px;
  font-weight: 800;
}

.avatar-a { background: linear-gradient(145deg, #50d5bf, #159497); }
.avatar-b { background: linear-gradient(145deg, #ff86aa, #c64a90); }
.avatar-c { background: linear-gradient(145deg, #ffca75, #d38b42); }

.message-line b {
  display: block;
  margin-bottom: 3px;
  font-size: 9px;
}

.message-line p {
  margin: 0;
  color: #687f89;
  font-size: 8px;
}

.message-line time {
  color: #a0b0b6;
  font-size: 7px;
}

.gift-badge {
  padding: 4px 6px;
  border-radius: 7px;
  color: #d94a77;
  background: #fff0f5;
  font-size: 7px;
  font-weight: 700;
}

.ai-reply {
  margin-top: 14px;
  padding: 10px;
  display: grid;
  grid-template-columns: 25px 1fr;
  gap: 8px;
  border-radius: 11px;
  color: #dceeee;
  background: #0c2e3c;
  font-size: 8px;
}

.ai-reply > span {
  width: 25px;
  height: 25px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  color: var(--navy);
  background: var(--mint);
  font-weight: 900;
}

.ai-reply p {
  margin: 2px 0 0;
}

.ai-reply i {
  grid-column: 2;
  color: #70d3c5;
  font-size: 7px;
  font-style: normal;
}

.control-label {
  margin: 4px 0 7px;
  color: #879ca5;
  font-size: 7px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.fake-input,
.code-pill {
  min-height: 34px;
  margin-bottom: 18px;
  padding: 0 9px;
  border: 1px solid rgba(6, 58, 70, 0.1);
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #70868f;
  background: var(--white);
  font-size: 7px;
}

.fake-input b {
  padding: 5px 7px;
  border-radius: 6px;
  color: var(--cyan-deep);
  background: #e6f8f4;
  font-size: 7px;
}

.voice-card {
  margin-bottom: 18px;
  padding: 10px;
  border-radius: 11px;
  display: grid;
  grid-template-columns: 36px 1fr auto;
  align-items: center;
  gap: 8px;
  color: var(--white);
  background: linear-gradient(145deg, #113a4c, #0d2636);
}

.wave {
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
  border-radius: 9px;
  background: rgba(91, 224, 202, 0.12);
}

.wave i {
  width: 2px;
  border-radius: 3px;
  background: var(--mint);
  animation: wave 1.2s ease-in-out infinite;
}

.wave i:nth-child(1), .wave i:nth-child(5) { height: 8px; }
.wave i:nth-child(2), .wave i:nth-child(4) { height: 14px; animation-delay: 0.12s; }
.wave i:nth-child(3) { height: 21px; animation-delay: 0.24s; }

.voice-card b,
.voice-card span {
  display: block;
}

.voice-card b { font-size: 8px; }
.voice-card span { margin-top: 3px; color: #9bb2ba; font-size: 6px; }
.voice-card em { color: var(--mint); font-size: 7px; font-style: normal; font-weight: 800; }

.code-pill {
  display: block;
  padding-top: 11px;
  color: #3b6973;
  font-family: "Cascadia Code", Consolas, monospace;
  white-space: nowrap;
}

.type-counts {
  display: flex;
  gap: 6px;
}

.type-counts span {
  flex: 1;
  padding: 7px 2px;
  border-radius: 7px;
  text-align: center;
  color: #657d87;
  background: #f0f6f5;
  font-size: 7px;
}

.floating-card {
  position: absolute;
  z-index: 3;
  min-width: 160px;
  padding: 11px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 15px;
  background: rgba(255, 255, 255, 0.91);
  box-shadow: 0 18px 45px rgba(6, 39, 55, 0.15);
  backdrop-filter: blur(14px);
  animation: float 4s ease-in-out infinite;
}

.floating-card > span {
  width: 31px;
  height: 31px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  color: var(--white);
  background: linear-gradient(145deg, var(--cyan), var(--cyan-deep));
  font-weight: 900;
}

.floating-card b,
.floating-card small {
  display: block;
}

.floating-card b { font-size: 10px; }
.floating-card small { margin-top: 3px; color: #718891; font-size: 8px; }

.card-voice {
  left: -42px;
  bottom: -33px;
}

.card-message {
  right: -34px;
  top: 67px;
  animation-delay: 1.1s;
}

.card-message > span {
  background: linear-gradient(145deg, #ff8cac, var(--pink));
}

.proof-strip {
  width: min(1080px, calc(100% - 48px));
  margin: 0 auto 120px;
  padding: 25px 42px;
  border: 1px solid var(--line);
  border-radius: 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 18px 50px rgba(7, 31, 45, 0.05);
  backdrop-filter: blur(14px);
}

.proof-strip div {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.proof-strip strong {
  color: var(--cyan-deep);
  font-size: 24px;
}

.proof-strip span {
  color: #708791;
  font-size: 12px;
}

.proof-strip > i {
  width: 1px;
  height: 30px;
  background: var(--line);
}

.feature-section {
  padding-bottom: 130px;
}

.section-heading {
  max-width: 710px;
  margin-bottom: 46px;
}

.section-heading h2,
.voice-copy h2,
.faq-intro h2 {
  margin: 0;
  color: #0a2b3b;
  font-size: clamp(36px, 4vw, 54px);
  line-height: 1.16;
  letter-spacing: -0.045em;
}

.section-heading p,
.voice-copy > p,
.faq-intro > p {
  max-width: 600px;
  margin: 18px 0 0;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.85;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.feature-card {
  position: relative;
  min-height: 300px;
  padding: 30px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.84);
  box-shadow: 0 20px 55px rgba(7, 31, 45, 0.055);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 28px 70px rgba(7, 31, 45, 0.1);
}

.feature-card::after {
  content: "";
  position: absolute;
  right: -80px;
  bottom: -110px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(42, 198, 186, 0.1), transparent 70%);
}

.feature-icon {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  color: var(--cyan-deep);
  background: #e7f8f5;
  font-size: 25px;
  font-weight: 800;
}

.icon-voice { color: #d94977; background: #fff0f5; }
.icon-tone { color: #8464d8; background: #f3efff; }
.icon-flow { color: #c07b19; background: #fff6e7; }

.feature-index {
  position: absolute;
  right: 29px;
  top: 29px;
  color: #b5c3c7;
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
}

.feature-card h3 {
  margin: 24px 0 10px;
  font-size: 22px;
}

.feature-card > p {
  max-width: 470px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.8;
}

.mini-feed {
  margin-top: 24px;
  display: grid;
  gap: 7px;
}

.mini-feed > span {
  padding: 8px 10px;
  display: grid;
  grid-template-columns: 21px 1fr auto;
  align-items: center;
  gap: 9px;
  border-radius: 9px;
  color: #45616c;
  background: #f5f9f8;
  font-size: 10px;
}

.mini-feed em {
  color: #93a6ad;
  font-style: normal;
  font-size: 8px;
}

.mini-avatar {
  width: 21px;
  height: 21px;
  border-radius: 7px;
}

.mini-avatar.cyan { background: #79ddcb; }
.mini-avatar.pink { background: #ff96b5; }
.mini-avatar.amber { background: #ffc873; }

.spectrum {
  height: 70px;
  margin-top: 28px;
  padding: 0 16px;
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: space-around;
  background: linear-gradient(135deg, #0c3546, #0a2637);
}

.spectrum i {
  width: 5px;
  border-radius: 5px;
  background: linear-gradient(to top, var(--cyan), var(--pink));
  animation: wave 1.4s ease-in-out infinite;
}

.spectrum i:nth-child(1), .spectrum i:nth-child(9) { height: 15px; }
.spectrum i:nth-child(2), .spectrum i:nth-child(8) { height: 29px; animation-delay: 0.12s; }
.spectrum i:nth-child(3), .spectrum i:nth-child(7) { height: 43px; animation-delay: 0.22s; }
.spectrum i:nth-child(4), .spectrum i:nth-child(6) { height: 24px; animation-delay: 0.32s; }
.spectrum i:nth-child(5) { height: 54px; animation-delay: 0.42s; }

.engine-tags {
  margin-top: 35px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.engine-tags span {
  padding: 9px 12px;
  border: 1px solid rgba(89, 69, 150, 0.13);
  border-radius: 10px;
  color: #6f5caa;
  background: #f7f4ff;
  font-size: 10px;
  font-weight: 700;
}

.code-sample {
  margin-top: 35px;
  padding: 18px;
  border-radius: 13px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: #cfe3e4;
  background: #0a2738;
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 11px;
}

.code-sample b {
  color: var(--mint);
  font-size: 8px;
}

.guide-section {
  padding: 120px 0;
  color: #e7f1f1;
  background: var(--navy);
}

.section-heading.light h2 {
  color: var(--white);
}

.section-heading.light p {
  color: #91aab3;
}

.guide-section .section-kicker {
  color: #5bdac7;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.step-card {
  position: relative;
  min-height: 280px;
  padding: 25px 22px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 19px;
  background: rgba(255, 255, 255, 0.035);
  transition: border 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.step-card:hover {
  border-color: rgba(91, 218, 199, 0.3);
  background: rgba(255, 255, 255, 0.06);
  transform: translateY(-5px);
}

.step-number {
  position: absolute;
  right: 20px;
  top: 20px;
  color: #4b6877;
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 11px;
}

.step-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  color: #082638;
  background: var(--mint);
  font-size: 20px;
  font-weight: 900;
}

.step-card h3 {
  margin: 31px 0 12px;
  color: var(--white);
  font-size: 17px;
}

.step-card p {
  margin: 0;
  color: #94abb4;
  font-size: 12px;
  line-height: 1.8;
}

.step-card small {
  position: absolute;
  left: 22px;
  bottom: 22px;
  color: #5dcbbd;
  font-size: 9px;
}

.manual-panel {
  margin-top: 70px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 28px;
  background: #0a2134;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.28);
}

.manual-tabs {
  padding: 12px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.manual-tabs button {
  min-height: 52px;
  border: 0;
  border-radius: 12px;
  color: #86a0ab;
  background: transparent;
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
  transition: color 0.2s ease, background 0.2s ease;
}

.manual-tabs button span {
  margin-right: 8px;
  color: #4e7180;
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 9px;
}

.manual-tabs button.active {
  color: var(--white);
  background: rgba(85, 216, 196, 0.1);
}

.manual-tabs button.active span {
  color: var(--mint);
}

.manual-content {
  min-height: 550px;
}

.guide-pane {
  min-height: 550px;
  padding: 54px;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 70px;
}

.guide-pane.active {
  display: grid;
  animation: pane-in 0.35s ease;
}

.guide-label {
  color: var(--cyan);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.guide-copy h3 {
  margin: 12px 0 30px;
  color: var(--white);
  font-size: 30px;
}

.guide-copy ol {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: guide;
}

.guide-copy li {
  position: relative;
  min-height: 58px;
  padding: 0 0 20px 43px;
  counter-increment: guide;
}

.guide-copy li::before {
  content: counter(guide);
  position: absolute;
  left: 0;
  top: -3px;
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(91, 218, 199, 0.3);
  border-radius: 8px;
  color: var(--mint);
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 9px;
}

.guide-copy li:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 13px;
  top: 28px;
  bottom: 2px;
  width: 1px;
  background: rgba(91, 218, 199, 0.13);
}

.guide-copy li b {
  display: block;
  margin-bottom: 5px;
  color: #eaf4f4;
  font-size: 13px;
}

.guide-copy li p {
  margin: 0;
  color: #839da8;
  font-size: 11px;
  line-height: 1.75;
}

.guide-copy code {
  color: #8ee6d7;
}

.guide-visual {
  padding: 26px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 20px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.025));
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.18);
}

.visual-top {
  margin-bottom: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.visual-top span {
  color: var(--white);
  font-size: 13px;
  font-weight: 800;
}

.visual-top em {
  color: #63808e;
  font-size: 8px;
  font-style: normal;
  text-transform: uppercase;
}

.guide-visual label {
  display: block;
  margin: 14px 0 7px;
  color: #698792;
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.visual-input {
  min-height: 42px;
  padding: 0 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 11px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #8ca4ad;
  background: rgba(4, 22, 34, 0.52);
  font-size: 10px;
}

.visual-input b {
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  color: #062334;
  background: var(--mint);
  font-size: 10px;
}

.visual-input.room b {
  width: auto;
  padding: 0 9px;
  color: var(--mint);
  background: rgba(91, 218, 199, 0.12);
}

.guide-visual > button {
  width: 100%;
  min-height: 42px;
  margin-top: 10px;
  border: 0;
  border-radius: 11px;
  color: #062435;
  background: linear-gradient(90deg, var(--cyan), var(--mint));
  cursor: pointer;
  font-size: 10px;
  font-weight: 800;
}

.visual-success {
  margin-top: 18px;
  padding: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-radius: 11px;
  background: rgba(49, 201, 141, 0.09);
}

.visual-success i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #31c98d;
  box-shadow: 0 0 0 5px rgba(49, 201, 141, 0.1);
}

.visual-success b,
.visual-success span {
  display: block;
}

.visual-success b { color: #a9ecd1; font-size: 10px; }
.visual-success span { color: #688692; font-size: 8px; }

.engine-option {
  min-height: 58px;
  margin-top: 9px;
  padding: 9px 11px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 12px;
  display: grid;
  grid-template-columns: 35px 1fr auto;
  align-items: center;
  gap: 10px;
  background: rgba(2, 18, 29, 0.36);
}

.engine-option.selected {
  border-color: rgba(91, 218, 199, 0.45);
  background: rgba(42, 198, 186, 0.07);
}

.engine-option > i {
  width: 35px;
  height: 35px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  color: #09283a;
  background: #9ce8ce;
  font-style: normal;
  font-size: 11px;
  font-weight: 900;
}

.engine-option b,
.engine-option small {
  display: block;
}

.engine-option b { color: #dceaea; font-size: 10px; }
.engine-option small { margin-top: 4px; color: #607f8b; font-size: 8px; }
.engine-option > em { color: var(--mint); font-style: normal; font-size: 10px; }

.range-line {
  margin-top: 22px;
}

.range-line span {
  display: block;
  margin-bottom: 7px;
  color: #829ba6;
  font-size: 8px;
}

.range-line > i {
  height: 5px;
  display: block;
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.09);
}

.range-line > i > b {
  height: 100%;
  display: block;
  border-radius: 5px;
  background: var(--cyan);
}

.guide-visual > button.secondary-button {
  color: #a9e6db;
  background: rgba(42, 198, 186, 0.1);
}

.input-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 9px;
}

.input-pair > div {
  padding: 11px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  background: rgba(4, 22, 34, 0.5);
}

.input-pair label { margin-top: 0; }
.input-pair span { color: #8aa2ad; font-size: 9px; }

.test-prompt {
  margin-top: 17px;
  padding: 11px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
}

.test-prompt span { color: #66848f; font-size: 8px; }
.test-prompt p { margin: 5px 0 0; color: #c2d2d5; font-size: 9px; }

.reply-line {
  margin-top: 14px;
  display: flex;
  align-items: flex-start;
  gap: 9px;
  color: #9cb0b8;
  font-size: 9px;
  line-height: 1.6;
}

.reply-line i {
  flex: 0 0 auto;
  width: 23px;
  height: 23px;
  display: grid;
  place-items: center;
  border-radius: 7px;
  color: #082638;
  background: var(--mint);
  font-size: 7px;
  font-style: normal;
  font-weight: 900;
}

.visual-top em.online {
  color: #64d7a5;
}

.terminal-line {
  padding: 12px;
  border-radius: 9px 9px 0 0;
  color: #91aaa9;
  background: #03131e;
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 9px;
}

.terminal-line span {
  margin-right: 7px;
  color: var(--mint);
}

.relay-visual pre {
  min-height: 165px;
  margin: 1px 0 0;
  padding: 18px;
  overflow: hidden;
  border-radius: 0 0 9px 9px;
  color: #b0c0c3;
  background: #03131e;
  font-size: 9px;
  line-height: 1.9;
}

.relay-visual pre b {
  color: #79dfce;
  font-weight: 500;
}

.voice-section {
  padding-block: 130px;
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  align-items: center;
  gap: 90px;
}

.voice-points {
  margin-top: 40px;
  display: grid;
  gap: 22px;
}

.voice-points > div {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 15px;
}

.voice-points > div > span {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 11px;
  color: var(--cyan-deep);
  background: #e6f8f4;
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 9px;
  font-weight: 800;
}

.voice-points p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 1.7;
}

.voice-points b {
  display: block;
  margin-bottom: 3px;
  color: var(--ink);
  font-size: 14px;
}

.pipeline-card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 25px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.pipeline-head {
  margin-bottom: 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.pipeline-head span { font-size: 15px; font-weight: 800; }
.pipeline-head em { padding: 5px 8px; border-radius: 7px; color: #238967; background: #e9f9f1; font-size: 8px; font-style: normal; font-weight: 800; }

.pipeline-row {
  min-height: 74px;
  margin-top: 8px;
  padding: 12px 14px;
  border: 1px solid rgba(7, 54, 67, 0.08);
  border-radius: 14px;
  display: grid;
  grid-template-columns: 32px 1fr auto;
  align-items: center;
  gap: 12px;
  background: #fbfdfc;
}

.pipeline-row.muted {
  opacity: 0.62;
}

.pipeline-num {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  color: var(--cyan-deep);
  background: #e9f8f5;
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 9px;
  font-weight: 800;
}

.pipeline-info b,
.pipeline-info small {
  display: block;
}

.pipeline-info b { margin-bottom: 5px; color: #203e4b; font-size: 11px; }
.pipeline-info small { color: #8ca0a7; font-size: 8px; }

.playing-bars {
  height: 30px;
  display: flex;
  align-items: center;
  gap: 3px;
}

.playing-bars i {
  width: 3px;
  height: 12px;
  border-radius: 4px;
  background: var(--cyan);
  animation: wave 1s ease-in-out infinite;
}

.playing-bars i:nth-child(2) { height: 22px; animation-delay: 0.15s; }
.playing-bars i:nth-child(3) { height: 16px; animation-delay: 0.3s; }
.playing-bars i:nth-child(4) { height: 8px; animation-delay: 0.45s; }

.progress-ring {
  width: 36px;
  height: 36px;
  border: 4px solid #d9efeb;
  border-top-color: var(--cyan-deep);
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--cyan-deep);
  font-size: 7px;
  font-weight: 800;
}

.queue-dot {
  width: 8px;
  height: 8px;
  margin-right: 12px;
  border-radius: 50%;
  background: #c8d4d5;
}

.pipeline-foot {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  color: #81959d;
  font-size: 9px;
}

.pipeline-foot span {
  display: flex;
  align-items: center;
  gap: 7px;
}

.pipeline-foot i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #31c98d;
}

.pipeline-foot b { color: var(--cyan-deep); }

.requirements-section {
  padding: 110px 0;
  background: #eef6f4;
}

.requirement-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 15px;
}

.requirement-card {
  padding: 27px;
  border: 1px solid rgba(8, 62, 73, 0.09);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.8);
}

.requirement-card > span {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  color: var(--cyan-deep);
  background: #dff5f0;
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 9px;
  font-weight: 900;
}

.requirement-card h3 { margin: 23px 0 10px; font-size: 17px; }
.requirement-card p { margin: 0; color: var(--ink-soft); font-size: 12px; line-height: 1.8; }

.notice-card {
  margin-top: 18px;
  padding: 23px 26px;
  border: 1px solid rgba(213, 146, 43, 0.16);
  border-radius: 18px;
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 16px;
  background: #fffaf0;
}

.notice-icon {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  color: #ae6d15;
  background: #ffe9c7;
  font-weight: 900;
}

.notice-card b { font-size: 13px; }
.notice-card p { margin: 5px 0 0; color: #7e715c; font-size: 11px; line-height: 1.75; }

.faq-section {
  padding-block: 130px;
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  align-items: start;
  gap: 90px;
}

.faq-intro {
  position: sticky;
  top: 120px;
}

.faq-intro h2 {
  font-size: clamp(34px, 3.5vw, 48px);
}

.faq-intro a {
  margin-top: 28px;
  display: inline-block;
  color: var(--cyan-deep);
  font-size: 12px;
  font-weight: 800;
}

.faq-list {
  display: grid;
  gap: 10px;
}

.faq-list details {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--white);
  box-shadow: 0 10px 34px rgba(7, 31, 45, 0.035);
}

.faq-list summary {
  min-height: 66px;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  cursor: pointer;
  list-style: none;
  color: #203f4c;
  font-size: 13px;
  font-weight: 800;
}

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

.faq-list summary span {
  flex: 0 0 auto;
  color: var(--cyan-deep);
  font-size: 20px;
  font-weight: 300;
  transition: transform 0.2s ease;
}

.faq-list details[open] summary span {
  transform: rotate(45deg);
}

.faq-list details p {
  margin: 0;
  padding: 0 20px 22px;
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 1.85;
}

.faq-list code {
  color: var(--cyan-deep);
}

.download-section {
  padding: 0 24px 24px;
}

.download-inner {
  min-height: 250px;
  padding: 46px 55px;
  border-radius: 30px;
  display: grid;
  grid-template-columns: 96px 1fr auto;
  align-items: center;
  gap: 34px;
  color: var(--white);
  background: radial-gradient(circle at 15% 15%, rgba(60, 211, 198, 0.23), transparent 28%), linear-gradient(135deg, #092d42, #071829 65%);
  box-shadow: 0 30px 70px rgba(5, 35, 50, 0.22);
}

.download-inner > img {
  width: 96px;
  height: 96px;
  border-radius: 26px;
  box-shadow: 0 15px 35px rgba(20, 180, 194, 0.25);
}

.download-inner > div > span {
  color: var(--mint);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.download-inner h2 {
  margin: 8px 0;
  font-size: clamp(27px, 3vw, 40px);
}

.download-inner p {
  margin: 0;
  color: #91aab4;
  font-size: 12px;
}

.button-light {
  color: #092838;
  background: var(--white);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.18);
}

.button-light span { color: var(--cyan-deep); font-size: 18px; }

.download-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.site-footer {
  padding: 45px 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr 1.5fr auto;
  align-items: center;
  gap: 35px;
  color: #768c95;
  font-size: 10px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 11px;
}

.footer-brand img {
  width: 38px;
  height: 38px;
  border-radius: 11px;
}

.footer-brand b,
.footer-brand span {
  display: block;
}

.footer-brand b { color: var(--ink); font-size: 13px; }
.footer-brand span { margin-top: 3px; font-size: 9px; }
.footer-inner > p { margin: 0; line-height: 1.7; }

.back-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 50;
  width: 43px;
  height: 43px;
  border: 1px solid var(--line);
  border-radius: 13px;
  color: var(--white);
  background: var(--ink);
  box-shadow: 0 12px 28px rgba(5, 35, 50, 0.18);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.back-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.toast {
  position: fixed;
  z-index: 110;
  left: 50%;
  bottom: 28px;
  padding: 11px 17px;
  border-radius: 12px;
  color: var(--white);
  background: var(--ink);
  box-shadow: 0 15px 35px rgba(5, 35, 50, 0.2);
  font-size: 11px;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 12px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

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

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes wave {
  0%, 100% { transform: scaleY(0.6); opacity: 0.7; }
  50% { transform: scaleY(1.25); opacity: 1; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes pane-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 1080px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 72px;
    padding-top: 135px;
  }

  .hero-copy {
    max-width: 720px;
    text-align: center;
    margin-inline: auto;
  }

  .hero-lead {
    margin-inline: auto;
  }

  .hero-actions,
  .hero-meta {
    justify-content: center;
  }

  .product-stage {
    width: min(760px, 100%);
    margin-inline: auto;
  }

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

  .guide-pane {
    gap: 40px;
  }

  .voice-section {
    gap: 45px;
  }
}

@media (max-width: 820px) {
  .site-header {
    padding: 10px 16px;
  }

  .nav-toggle {
    display: block;
  }

  .nav-toggle.open span:first-child { transform: translateY(6px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:last-child { transform: translateY(-6px) rotate(-45deg); }

  .main-nav {
    position: absolute;
    top: 72px;
    left: 16px;
    right: 16px;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: var(--shadow);
    backdrop-filter: blur(16px);
  }

  .main-nav.open {
    display: flex;
  }

  .main-nav a {
    padding: 12px;
    border-radius: 10px;
  }

  .main-nav a:hover {
    background: #eff8f6;
  }

  .main-nav a::after { display: none; }
  .nav-actions { display: none; }

  .proof-strip {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .proof-strip > i { display: none; }

  .feature-grid,
  .voice-section,
  .faq-section {
    grid-template-columns: 1fr;
  }

  .guide-pane {
    grid-template-columns: 1fr;
  }

  .faq-intro {
    position: static;
  }

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

  .download-inner {
    grid-template-columns: 76px 1fr;
  }

  .download-inner > img {
    width: 76px;
    height: 76px;
    border-radius: 21px;
  }

  .download-inner .download-actions {
    grid-column: 1 / -1;
    justify-self: start;
    flex-direction: row;
    flex-wrap: wrap;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-brand {
    justify-content: center;
  }
}

@media (max-width: 600px) {
  .section-shell {
    width: min(100% - 28px, 1180px);
  }

  .brand span {
    font-size: 15px;
  }

  .hero {
    min-height: auto;
    padding-top: 118px;
    padding-bottom: 70px;
  }

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

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

  .hero-actions {
    display: grid;
  }

  .button {
    width: 100%;
  }

  .hero-meta {
    gap: 10px;
    font-size: 10px;
  }

  .app-window {
    transform: none;
    border-radius: 18px;
  }

  .window-body {
    min-height: 320px;
    grid-template-columns: 1fr;
  }

  .mock-sidebar,
  .mock-controls {
    display: none;
  }

  .floating-card {
    min-width: 135px;
  }

  .card-voice { left: -5px; }
  .card-message { right: -4px; top: 80px; }

  .proof-strip {
    width: calc(100% - 28px);
    margin-bottom: 90px;
    padding: 24px;
  }

  .proof-strip div {
    display: block;
    text-align: center;
  }

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

  .feature-section,
  .voice-section,
  .faq-section {
    padding-bottom: 90px;
  }

  .feature-grid,
  .steps-grid {
    grid-template-columns: 1fr;
  }

  .section-heading h2,
  .voice-copy h2,
  .faq-intro h2 {
    font-size: 34px;
  }

  .guide-section,
  .requirements-section {
    padding-block: 85px;
  }

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

  .guide-pane {
    min-height: 0;
    padding: 30px 20px;
    gap: 30px;
  }

  .guide-copy h3 {
    font-size: 24px;
  }

  .guide-visual {
    padding: 18px;
  }

  .voice-section {
    padding-block: 90px;
  }

  .pipeline-card {
    padding: 17px;
  }

  .pipeline-info b {
    font-size: 9px;
  }

  .download-section {
    padding-inline: 14px;
  }

  .download-inner {
    width: 100%;
    padding: 34px 25px;
    grid-template-columns: 1fr;
    text-align: center;
  }

  .download-inner > img {
    margin-inline: auto;
  }

  .download-inner .button {
    justify-self: stretch;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}