:root {
  color-scheme: light;
  --bg: #fff7f2;
  --surface: rgba(255, 255, 255, 0.72);
  --surface-strong: rgba(255, 255, 255, 0.88);
  --surface-soft: rgba(255, 255, 255, 0.58);
  --text: #272230;
  --muted: #706777;
  --line: rgba(255, 255, 255, 0.84);
  --shadow: 0 24px 60px rgba(111, 77, 129, 0.12);
  --shadow-soft: 0 18px 42px rgba(111, 77, 129, 0.09);
  --pink: #ff6ea8;
  --violet: #9c68ff;
  --orange: #ffb165;
  --peach: #ffd6b7;
  --mint: #2c8d80;
  --mint-soft: #e0f6f2;
  --radius-xl: 34px;
  --radius-lg: 28px;
  --radius-md: 22px;
  --radius-sm: 18px;
  --content-width: min(1320px, calc(100vw - 48px));
  --hero-gap: 28px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: "SF Pro Display", "PingFang SC", "Microsoft YaHei UI", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 12% 14%, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0) 26%),
    radial-gradient(circle at 88% 18%, rgba(255, 177, 101, 0.64), rgba(255, 177, 101, 0) 34%),
    radial-gradient(circle at 58% 46%, rgba(255, 110, 168, 0.36), rgba(255, 110, 168, 0) 36%),
    radial-gradient(circle at 24% 80%, rgba(156, 104, 255, 0.34), rgba(156, 104, 255, 0) 34%),
    linear-gradient(145deg, #fffaf8 0%, #fff3ef 26%, #ffe8d5 58%, #f1e8ff 100%);
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

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

button,
input,
textarea,
select {
  font: inherit;
}

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

.page-glow {
  position: fixed;
  inset: auto;
  pointer-events: none;
  filter: blur(70px);
  opacity: 0.75;
  z-index: 0;
}

.glow-a {
  width: 360px;
  height: 360px;
  top: 80px;
  right: -80px;
  background: rgba(255, 165, 112, 0.36);
}

.glow-b {
  width: 420px;
  height: 420px;
  left: -120px;
  bottom: 40px;
  background: rgba(143, 117, 255, 0.28);
}

.glow-c {
  width: 320px;
  height: 320px;
  top: 38%;
  left: 45%;
  background: rgba(255, 102, 176, 0.18);
}

.site-header,
.page,
.site-footer {
  position: relative;
  z-index: 1;
}

.site-header {
  width: var(--content-width);
  margin: 18px auto 0;
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 18px 14px 24px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(20px);
}

.brand {
  display: inline-flex;
  align-items: center;
  font-size: clamp(1.6rem, 2vw, 2rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
}

.brand-dark {
  color: #17141d;
}

.brand-life {
  background: linear-gradient(135deg, var(--pink), var(--orange));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.desktop-nav,
.nav-actions,
.desktop-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.desktop-nav {
  flex: 1;
  justify-content: center;
}

.nav-link {
  position: relative;
  padding: 12px 18px;
  border-radius: 999px;
  color: var(--muted);
  font-weight: 700;
  transition: color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 7px;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--pink), var(--orange));
  opacity: 0;
  transform: scaleX(0.5);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.nav-link:hover,
.nav-link:focus-visible,
.nav-link.is-active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.45);
}

.nav-link:hover::after,
.nav-link:focus-visible::after,
.nav-link.is-active::after {
  opacity: 1;
  transform: scaleX(1);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 26px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 800;
  letter-spacing: -0.02em;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--violet), var(--pink), var(--orange));
  box-shadow: 0 14px 30px rgba(255, 120, 146, 0.22);
}

.button-subtle,
.button-ghost {
  color: var(--text);
  background: rgba(255, 255, 255, 0.64);
  border-color: rgba(255, 255, 255, 0.78);
}

.button-ghost {
  background: rgba(255, 255, 255, 0.46);
}

.button-small {
  padding: 12px 20px;
}

.button-block {
  width: 100%;
}

.button-arrow,
.button-play {
  font-size: 0.9em;
}

.menu-toggle {
  display: none;
  width: 48px;
  height: 48px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.62);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.82);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 4px auto;
  border-radius: 999px;
  background: var(--text);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

body.menu-open .menu-toggle span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

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

body.menu-open .menu-toggle span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.mobile-menu {
  position: absolute;
  inset: calc(100% + 10px) 0 auto;
}

.mobile-menu-card {
  padding: 18px;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid var(--line);
  border-radius: 30px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(22px);
}

.mobile-link {
  display: block;
  padding: 13px 8px;
  border-bottom: 1px solid rgba(39, 34, 48, 0.08);
  font-weight: 700;
}

.mobile-link:last-of-type {
  border-bottom: 0;
}

.mobile-actions {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.page {
  width: var(--content-width);
  margin: 0 auto;
  padding: 28px 0 80px;
}

.section {
  margin-top: 28px;
}

.section-compact {
  margin-top: 18px;
}

.hero-section {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 1.24fr);
  gap: var(--hero-gap);
  align-items: center;
}

.hero-copy,
.section-copy-card,
.timeline-card,
.about-card,
.showcase-card,
.feature-card,
.help-card,
.download-panel,
.stats-strip,
.publish-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(22px);
}

.hero-copy,
.section-copy-card,
.timeline-card,
.about-card,
.showcase-card,
.download-panel {
  border-radius: var(--radius-xl);
  padding: 34px;
}

.hero-copy {
  padding: 42px 38px;
}

.eyebrow,
.section-eyebrow,
.feature-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.56);
  color: #9d59ed;
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0.01em;
}

.hero-title {
  margin: 20px 0 16px;
  font-size: clamp(3.4rem, 6vw, 5.4rem);
  line-height: 1.02;
  letter-spacing: -0.05em;
}

.hero-text {
  margin: 0;
  font-size: clamp(1.12rem, 1.7vw, 1.48rem);
  color: var(--muted);
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 30px;
}

.trust-card,
.rail-card,
.stat-card,
.feature-card,
.category-card,
.help-card,
.download-note {
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.72);
  background: rgba(255, 255, 255, 0.56);
}

.trust-card,
.rail-card,
.feature-card,
.help-card,
.download-note {
  padding: 18px;
}

.trust-card h3,
.rail-card h3,
.feature-card h3,
.help-card h3,
.section-copy-card h2,
.timeline-card h2,
.showcase-copy h3,
.about-card h2,
.about-card h3,
.download-copy h2 {
  margin: 0;
  letter-spacing: -0.03em;
}

.trust-card h3,
.feature-card h3,
.help-card h3,
.rail-card h3 {
  font-size: 1.04rem;
  margin-top: 12px;
}

.trust-card p,
.rail-card p,
.feature-card p,
.help-card p,
.section-header p,
.section-copy-card p,
.timeline-card p,
.showcase-copy p,
.about-card p,
.download-copy p,
.download-note span {
  color: var(--muted);
  line-height: 1.7;
}

.trust-card p,
.feature-card p,
.help-card p,
.rail-card p,
.download-note span {
  margin: 8px 0 0;
  font-size: 0.96rem;
}

.icon-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(156, 104, 255, 0.18), rgba(255, 110, 168, 0.15), rgba(255, 177, 101, 0.16));
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.82);
}

.icon-badge-soft {
  width: 50px;
  height: 50px;
  border-radius: 16px;
}

.icon-badge svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
  color: #b05df2;
}

.hero-visual {
  position: relative;
  min-height: 760px;
}

.hero-visual-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(55px);
  pointer-events: none;
}

.hero-visual-glow-a {
  width: 260px;
  height: 260px;
  right: 12%;
  top: 10%;
  background: rgba(255, 175, 108, 0.26);
}

.hero-visual-glow-b {
  width: 300px;
  height: 300px;
  left: 22%;
  bottom: 12%;
  background: rgba(255, 122, 175, 0.2);
}

.device-stage {
  position: absolute;
  inset: 22px 170px 0 24px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 18px;
}

.device-card {
  width: min(32vw, 352px);
  border-radius: 42px;
  overflow: hidden;
  box-shadow:
    0 26px 60px rgba(149, 95, 185, 0.18),
    0 8px 20px rgba(255, 255, 255, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.74);
  background: rgba(255, 255, 255, 0.74);
  transform-origin: center;
}

.device-card img {
  width: 100%;
  height: auto;
}

.device-card-home {
  transform: translateY(40px);
}

.device-card-chat {
  transform: rotate(9deg) translateY(12px);
}

.feature-rail {
  position: absolute;
  top: 54px;
  right: 0;
  width: 198px;
  display: grid;
  gap: 16px;
}

.rail-card {
  display: flex;
  gap: 14px;
  align-items: center;
}

.rail-card p {
  font-size: 0.9rem;
}

.hero-mobile-benefits {
  display: none;
}

.stats-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  padding: 12px;
  border-radius: var(--radius-xl);
}

.stat-card {
  padding: 18px 22px;
  min-height: 132px;
  border-color: transparent;
  background: transparent;
  box-shadow: none;
}

.stat-card + .stat-card {
  border-left: 1px solid rgba(39, 34, 48, 0.08);
}

.stat-card h3 {
  margin: 0 0 10px;
  font-size: 1.8rem;
  letter-spacing: -0.04em;
}

.stat-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.section-header {
  max-width: 760px;
  margin-bottom: 18px;
}

.section-header h2,
.section-copy-card h2,
.timeline-card h2,
.about-card h2,
.download-copy h2 {
  margin: 16px 0 12px;
  font-size: clamp(2rem, 3vw, 3.1rem);
  line-height: 1.08;
  letter-spacing: -0.05em;
}

.section-header p,
.section-copy-card p,
.about-card p,
.download-copy p {
  margin: 0;
  font-size: 1.05rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: 1.18fr repeat(3, 1fr);
  gap: 16px;
}

.feature-card {
  padding: 22px;
  box-shadow: var(--shadow-soft);
}

.feature-card-large {
  background:
    radial-gradient(circle at 72% 20%, rgba(255, 205, 165, 0.34), rgba(255, 205, 165, 0) 42%),
    radial-gradient(circle at 18% 82%, rgba(156, 104, 255, 0.18), rgba(156, 104, 255, 0) 40%),
    rgba(255, 255, 255, 0.6);
}

.split-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  align-items: stretch;
}

.split-grid-reverse .timeline-card {
  order: 2;
}

.split-grid-reverse .publish-highlight {
  order: 1;
}

.category-list,
.publish-pills,
.help-grid,
.download-side {
  display: grid;
  gap: 14px;
}

.category-card {
  padding: 18px 20px;
}

.category-card strong {
  display: block;
  font-size: 1.06rem;
}

.category-card span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  line-height: 1.6;
}

.showcase-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.showcase-art {
  position: relative;
  min-height: 320px;
  border-radius: 28px;
  background:
    radial-gradient(circle at 30% 26%, rgba(255, 255, 255, 0.72), rgba(255, 255, 255, 0) 24%),
    radial-gradient(circle at 76% 20%, rgba(255, 177, 101, 0.24), rgba(255, 177, 101, 0) 36%),
    radial-gradient(circle at 58% 80%, rgba(255, 110, 168, 0.2), rgba(255, 110, 168, 0) 32%),
    linear-gradient(140deg, rgba(255,255,255,0.5), rgba(255,239,243,0.76), rgba(255,227,201,0.7));
  overflow: hidden;
}

.showcase-glass {
  position: absolute;
  inset: 22px;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  background: rgba(255, 255, 255, 0.28);
}

.showcase-product {
  position: absolute;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.78);
  box-shadow: 0 16px 36px rgba(114, 75, 135, 0.12);
}

.product-a {
  width: 36%;
  height: 160px;
  left: 10%;
  top: 20%;
  background: linear-gradient(135deg, rgba(99, 201, 191, 0.45), rgba(255, 255, 255, 0.9));
}

.product-b {
  width: 30%;
  height: 190px;
  left: 46%;
  top: 16%;
  background: linear-gradient(135deg, rgba(156, 104, 255, 0.28), rgba(255, 255, 255, 0.95));
}

.product-c {
  width: 24%;
  height: 130px;
  right: 9%;
  bottom: 16%;
  background: linear-gradient(135deg, rgba(255, 177, 101, 0.32), rgba(255, 255, 255, 0.95));
}

.showcase-copy {
  display: grid;
  gap: 12px;
}

.timeline {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 16px;
}

.timeline li {
  position: relative;
  padding: 18px 18px 18px 58px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.54);
  border: 1px solid rgba(255, 255, 255, 0.76);
}

.timeline li::before {
  content: "";
  position: absolute;
  left: 20px;
  top: 22px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--violet), var(--pink), var(--orange));
  box-shadow: 0 0 0 6px rgba(255, 255, 255, 0.5);
}

.timeline li strong {
  display: block;
  font-size: 1.04rem;
}

.timeline li p {
  margin: 8px 0 0;
}

.publish-highlight {
  display: flex;
}

.publish-panel {
  width: 100%;
  border-radius: var(--radius-xl);
  padding: 34px;
  background:
    radial-gradient(circle at 80% 16%, rgba(255, 177, 101, 0.28), rgba(255, 177, 101, 0) 34%),
    radial-gradient(circle at 22% 86%, rgba(156, 104, 255, 0.2), rgba(156, 104, 255, 0) 40%),
    rgba(255, 255, 255, 0.7);
}

.publish-panel h3 {
  margin: 16px 0 12px;
  font-size: clamp(1.8rem, 2.6vw, 2.5rem);
  line-height: 1.12;
  letter-spacing: -0.04em;
}

.publish-panel p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.publish-pills {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 24px;
}

.publish-pills span {
  display: inline-flex;
  justify-content: center;
  padding: 14px 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.54);
  border: 1px solid rgba(255, 255, 255, 0.72);
  font-weight: 700;
}

.about-card.soft {
  background:
    radial-gradient(circle at 84% 20%, rgba(255, 177, 101, 0.22), rgba(255, 177, 101, 0) 34%),
    rgba(255, 255, 255, 0.66);
}

.value-list {
  display: grid;
  gap: 12px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.value-list li {
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.52);
  border: 1px solid rgba(255, 255, 255, 0.76);
  color: var(--muted);
  line-height: 1.65;
}

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

.help-card {
  box-shadow: var(--shadow-soft);
}

.help-card a {
  display: inline-flex;
  margin-top: 16px;
  color: #c64fff;
  font-weight: 800;
}

.download-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(300px, 0.7fr);
  gap: 22px;
  background:
    radial-gradient(circle at 18% 14%, rgba(255, 255, 255, 0.82), rgba(255, 255, 255, 0) 28%),
    radial-gradient(circle at 82% 20%, rgba(255, 177, 101, 0.28), rgba(255, 177, 101, 0) 34%),
    radial-gradient(circle at 60% 80%, rgba(255, 110, 168, 0.22), rgba(255, 110, 168, 0) 34%),
    linear-gradient(145deg, rgba(255,255,255,0.72), rgba(255,240,245,0.8), rgba(255,229,202,0.76));
}

.download-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.download-side {
  align-content: start;
}

.download-note {
  padding: 18px 20px;
}

.download-note strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1.02rem;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #c64fff;
  font-weight: 800;
}

.cta-strip {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) auto;
  gap: 20px;
  align-items: center;
  padding: 30px 34px;
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 84% 20%, rgba(255, 177, 101, 0.26), rgba(255, 177, 101, 0) 34%),
    radial-gradient(circle at 18% 82%, rgba(156, 104, 255, 0.2), rgba(156, 104, 255, 0) 38%),
    rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(22px);
}

.cta-strip-copy h2 {
  margin: 14px 0 10px;
  font-size: clamp(2rem, 3vw, 2.9rem);
  line-height: 1.08;
  letter-spacing: -0.05em;
}

.cta-strip-copy p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.cta-strip-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-end;
}

.page-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(320px, 0.88fr);
  gap: 22px;
  align-items: stretch;
}

.page-intro-card,
.page-side-card,
.content-card,
.support-banner,
.faq-item,
.channel-card,
.step-card,
.contact-card {
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(22px);
}

.page-intro-card,
.page-side-card,
.content-card,
.support-banner,
.faq-item,
.channel-card,
.step-card,
.contact-card {
  border-radius: var(--radius-xl);
}

.page-intro-card,
.page-side-card,
.content-card,
.support-banner,
.channel-card,
.step-card,
.contact-card {
  padding: 30px;
}

.page-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.6);
  color: #a05cf0;
  font-size: 0.9rem;
  font-weight: 800;
}

.page-intro-card h1,
.content-card h2,
.support-banner h2,
.channel-card h3,
.step-card h3,
.contact-card h3 {
  margin: 16px 0 12px;
  letter-spacing: -0.04em;
}

.page-intro-card h1 {
  font-size: clamp(2.6rem, 4.8vw, 4.4rem);
  line-height: 1.04;
}

.page-intro-card p,
.page-side-card p,
.content-card p,
.support-banner p,
.channel-card p,
.step-card p,
.contact-card p,
.faq-answer {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.page-side-card {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-side-card h2 {
  margin: 0;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  letter-spacing: -0.04em;
}

.badge-list,
.stack-list,
.mini-stat-grid,
.channels-grid,
.steps-grid,
.content-grid,
.faq-list,
.contact-grid {
  display: grid;
  gap: 16px;
}

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

.badge-chip {
  display: inline-flex;
  justify-content: center;
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.54);
  border: 1px solid rgba(255, 255, 255, 0.74);
  font-weight: 800;
}

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

.stack-list li {
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.54);
  border: 1px solid rgba(255, 255, 255, 0.74);
  color: var(--muted);
  line-height: 1.65;
}

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

.mini-stat {
  padding: 18px 20px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.56);
  border: 1px solid rgba(255, 255, 255, 0.76);
}

.mini-stat strong {
  display: block;
  font-size: 1.6rem;
  letter-spacing: -0.04em;
}

.mini-stat span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  line-height: 1.6;
}

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

.content-card h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
}

.faq-item {
  padding: 24px 28px;
}

.faq-question {
  margin: 0 0 10px;
  font-size: 1.08rem;
}

.channel-card {
  display: grid;
  gap: 14px;
}

.channel-card h3,
.step-card h3,
.contact-card h3 {
  font-size: 1.2rem;
}

.channel-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(255, 255, 255, 0.78);
  font-size: 0.92rem;
  font-weight: 800;
}

.step-card strong {
  display: inline-flex;
  width: 34px;
  height: 34px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  margin-bottom: 12px;
  background: linear-gradient(135deg, var(--violet), var(--pink), var(--orange));
  color: #fff;
  box-shadow: 0 10px 22px rgba(255, 120, 146, 0.24);
}

.support-banner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
}

.support-banner h2 {
  font-size: clamp(1.9rem, 3vw, 2.6rem);
}

.support-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-end;
}

.contact-card {
  display: grid;
  gap: 12px;
}

.contact-card strong {
  font-size: 1.08rem;
}

.micro-copy {
  color: var(--muted);
  font-size: 0.94rem;
}

.site-footer {
  width: var(--content-width);
  margin: 0 auto;
  padding: 0 0 48px;
  display: grid;
  gap: 12px;
}

.site-footer p {
  margin: 0;
  color: var(--muted);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--muted);
  font-weight: 700;
}

@media (max-width: 1220px) {
  .hero-section {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    order: 1;
  }

  .hero-visual {
    order: 2;
    min-height: 620px;
  }

  .device-stage {
    inset: 10px 180px 0 10px;
  }
}

@media (max-width: 1080px) {
  .desktop-nav,
  .desktop-actions {
    display: none;
  }

  .menu-toggle {
    display: inline-block;
  }

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

  .feature-card-large {
    grid-column: 1 / -1;
  }

  .split-grid,
  .download-panel,
  .help-grid,
  .page-intro,
  .content-grid,
  .channels-grid,
  .steps-grid,
  .contact-grid,
  .support-banner,
  .cta-strip {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: auto;
  }

  .device-stage {
    position: relative;
    inset: auto;
    padding: 0 0 8px;
    justify-content: center;
  }

  .feature-rail {
    position: relative;
    top: auto;
    right: auto;
    width: 100%;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 18px;
  }
}

@media (max-width: 760px) {
  :root {
    --content-width: min(100vw - 28px, 100%);
  }

  .site-header {
    margin-top: 12px;
  }

  .nav-shell {
    padding: 12px 14px 12px 18px;
  }

  .hero-copy,
  .section-copy-card,
  .timeline-card,
  .about-card,
  .showcase-card,
  .download-panel,
  .publish-panel {
    padding: 24px 20px;
    border-radius: 28px;
  }

  .hero-title {
    font-size: clamp(2.6rem, 13vw, 4rem);
  }

  .hero-actions,
  .download-actions,
  .cta-strip-actions,
  .support-actions {
    flex-direction: column;
  }

  .button,
  .button.button-primary,
  .button.button-ghost,
  .button.button-subtle {
    width: 100%;
  }

  .trust-grid,
  .feature-grid,
  .publish-pills,
  .feature-rail,
  .badge-list,
  .mini-stat-grid,
  .help-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    margin-top: -4px;
  }

  .device-stage {
    gap: 0;
  }

  .device-card {
    width: min(100%, 360px);
  }

  .device-card-chat {
    display: none;
  }

  .feature-rail {
    display: none;
  }

  .hero-mobile-benefits {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin-top: 20px;
  }

  .hero-mobile-benefits article {
    text-align: center;
    padding: 0 4px;
  }

  .hero-mobile-benefits .icon-badge {
    margin: 0 auto 10px;
  }

  .hero-mobile-benefits h3 {
    margin: 0;
    font-size: 0.96rem;
  }

  .hero-mobile-benefits p {
    margin: 6px 0 0;
    color: var(--muted);
    font-size: 0.86rem;
    line-height: 1.5;
  }

  .stats-strip {
    grid-template-columns: 1fr;
    padding: 8px;
  }

  .stat-card {
    min-height: auto;
  }

  .stat-card + .stat-card {
    border-left: 0;
    border-top: 1px solid rgba(39, 34, 48, 0.08);
  }

  .showcase-art {
    min-height: 250px;
  }

  .section-header h2,
  .section-copy-card h2,
  .timeline-card h2,
  .about-card h2,
  .download-copy h2,
  .cta-strip-copy h2,
  .page-side-card h2,
  .support-banner h2 {
    font-size: clamp(1.7rem, 9vw, 2.5rem);
  }

  .page-intro-card,
  .page-side-card,
  .content-card,
  .support-banner,
  .channel-card,
  .step-card,
  .contact-card,
  .faq-item {
    padding: 24px 20px;
  }
}