:root {
  color-scheme: dark;
  --bg: #071014;
  --bg-soft: #0d171c;
  --panel: rgba(255, 255, 255, 0.08);
  --panel-strong: rgba(255, 255, 255, 0.13);
  --text: #f6fbfb;
  --muted: #aabec2;
  --line: rgba(255, 255, 255, 0.16);
  --gold: #ffd166;
  --mint: #7cf7df;
  --rose: #ff6f9f;
  --blue: #73b7ff;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.38);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 18% 8%, rgba(124, 247, 223, 0.16), transparent 28rem),
    radial-gradient(circle at 82% 12%, rgba(255, 111, 159, 0.12), transparent 30rem),
    linear-gradient(180deg, #081217 0%, var(--bg) 48%, #04090c 100%);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.6;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1rem 0;
  backdrop-filter: blur(18px);
}

.brand,
.nav-links,
.hero-actions,
.quick-facts,
.download {
  display: flex;
  align-items: center;
}

.brand {
  gap: 0.7rem;
  font-weight: 800;
  letter-spacing: 0;
}

.brand img,
.download img {
  border-radius: 20%;
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.32);
}

.nav-links {
  gap: 0.25rem;
  padding: 0.25rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(7, 16, 20, 0.66);
}

.nav-links a {
  min-width: 4rem;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.92rem;
  text-align: center;
}

.nav-links a:hover {
  background: var(--panel);
  color: var(--text);
}

.language-toggle {
  min-width: 3.25rem;
  min-height: 2.5rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.07);
  color: var(--text);
  font: inherit;
  font-size: 0.9rem;
  font-weight: 800;
  cursor: pointer;
}

.language-toggle:hover {
  background: var(--panel-strong);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(360px, 1.12fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  width: min(1180px, calc(100% - 2rem));
  min-height: calc(100vh - 4.5rem);
  margin: 0 auto;
  padding: clamp(2rem, 5vw, 5rem) 0 clamp(3rem, 7vw, 6rem);
}

.eyebrow {
  margin: 0 0 0.9rem;
  color: var(--mint);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 10ch;
  margin-bottom: 1.25rem;
  font-size: clamp(3.3rem, 8vw, 7.4rem);
  line-height: 0.96;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 1rem;
  font-size: clamp(2rem, 4vw, 4.25rem);
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 0.55rem;
  font-size: 1.25rem;
}

.hero-text,
.section-copy p,
.trust p,
.download p,
.screenshot-card figcaption {
  color: var(--muted);
  font-size: clamp(1rem, 1.5vw, 1.18rem);
}

.hero-text {
  max-width: 36rem;
  margin-bottom: 1.7rem;
}

.hero-actions {
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.1rem;
  padding: 0.78rem 1.1rem;
  border-radius: 999px;
  font-weight: 800;
}

.button.primary {
  background: linear-gradient(135deg, var(--gold), #ff936f);
  color: #15100a;
  box-shadow: 0 18px 45px rgba(255, 178, 96, 0.22);
}

.button.secondary {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.07);
  color: var(--text);
}

.quick-facts {
  flex-wrap: wrap;
  gap: 0.85rem;
  margin: 0;
}

.quick-facts div {
  min-width: 8.5rem;
  padding: 0.8rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

.quick-facts dt {
  color: var(--gold);
  font-size: 1.45rem;
  font-weight: 900;
  line-height: 1.1;
}

.quick-facts dd {
  margin: 0.25rem 0 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.hero-stage {
  position: relative;
  min-width: 0;
}

.device-shell,
.screenshot-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.05));
  box-shadow: var(--shadow);
}

.device-shell {
  padding: clamp(0.45rem, 1vw, 0.9rem);
  transform: perspective(1100px) rotateX(3deg) rotateY(-6deg);
}

.device-shell img,
.screenshot-card img {
  width: 100%;
  border-radius: 6px;
}

.floating-note {
  position: absolute;
  padding: 0.45rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(8, 18, 23, 0.74);
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 800;
  box-shadow: 0 16px 38px rgba(0, 0, 0, 0.25);
}

.note-one {
  left: 5%;
  bottom: 9%;
}

.note-two {
  top: 12%;
  right: 4%;
}

.section {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: clamp(3rem, 8vw, 7rem) 0;
}

.intro {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: start;
}

.section-copy {
  max-width: 38rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.feature-grid article {
  min-height: 16rem;
  padding: 1.15rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.065);
}

.feature-grid p,
.practice-list span {
  color: var(--muted);
}

.feature-icon {
  display: inline-grid;
  place-items: center;
  width: 2.4rem;
  height: 2.4rem;
  margin-bottom: 1.4rem;
  border-radius: 50%;
  background: rgba(124, 247, 223, 0.14);
  color: var(--mint);
  font-size: 0.78rem;
  font-weight: 900;
}

.showcase {
  display: grid;
  grid-template-columns: 1.18fr 0.82fr;
  gap: 1rem;
  align-items: end;
}

.product-gallery {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
}

.product-gallery .section-copy {
  max-width: 48rem;
}

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

.screenshot-card {
  overflow: hidden;
}

.screenshot-card.large {
  align-self: start;
}

.screenshot-card figcaption {
  margin: 0;
  padding: 1rem;
}

.screenshot-card strong {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--text);
  font-size: 1.05rem;
}

.practice-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(18rem, 0.72fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: center;
}

.practice-list {
  display: grid;
  gap: 0.75rem;
}

.practice-list div {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.065);
}

.practice-list span,
.practice-list strong {
  display: block;
}

.practice-list strong {
  margin-top: 0.25rem;
  font-size: 1.08rem;
}

.trust {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: center;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.download {
  justify-content: space-between;
  gap: 1.25rem;
  width: min(1180px, calc(100% - 2rem));
  margin: clamp(2rem, 5vw, 4rem) auto;
  padding: clamp(1rem, 3vw, 2rem);
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(124, 247, 223, 0.12), transparent 42%),
    rgba(255, 255, 255, 0.07);
}

.download div {
  flex: 1;
}

.download h2 {
  margin-bottom: 0.35rem;
  font-size: clamp(1.55rem, 3vw, 2.7rem);
}

.download p {
  max-width: 42rem;
  margin-bottom: 0;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 3rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.site-footer span:first-child {
  color: var(--text);
  font-weight: 800;
}

@media (max-width: 920px) {
  .hero,
  .intro,
  .showcase,
  .practice-band,
  .trust {
    grid-template-columns: 1fr;
  }

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

  .hero {
    min-height: auto;
  }

  h1 {
    max-width: 9ch;
  }

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

  .feature-grid article {
    min-height: auto;
  }

  .device-shell {
    transform: none;
  }
}

@media (max-width: 680px) {
  .site-header {
    position: static;
  }

  .nav-links {
    display: none;
  }

  .hero {
    padding-top: 1.25rem;
  }

  h1 {
    font-size: clamp(3rem, 18vw, 4.6rem);
  }

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

  .button {
    min-height: 3rem;
  }

  .quick-facts,
  .download,
  .site-footer {
    align-items: stretch;
    flex-direction: column;
  }

  .quick-facts div {
    width: 100%;
  }

  .floating-note {
    display: none;
  }
}