:root {
  --bg: #f4efe7;
  --bg-deep: #e8dfd1;
  --surface: rgba(255, 250, 244, 0.74);
  --surface-strong: rgba(255, 252, 247, 0.9);
  --surface-line: rgba(36, 31, 22, 0.09);
  --text: #1b2330;
  --muted: #5f6876;
  --shadow-lg: 0 40px 120px rgba(42, 32, 22, 0.14);
  --shadow-md: 0 24px 64px rgba(42, 32, 22, 0.1);
  --radius-xl: 34px;
  --radius-lg: 26px;
  --radius-md: 20px;
  --accent: #1f665e;
  --accent-strong: #13443d;
  --accent-soft: rgba(31, 102, 94, 0.14);
  --hero-a: #f0e0cb;
  --hero-b: #d7ece7;
  --hero-c: rgba(255, 255, 255, 0.5);
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background:
    radial-gradient(circle at 12% 12%, rgba(255, 255, 255, 0.92), transparent 24%),
    radial-gradient(circle at 88% 16%, rgba(31, 102, 94, 0.16), transparent 30%),
    radial-gradient(circle at 50% 120%, rgba(198, 149, 90, 0.14), transparent 34%),
    linear-gradient(180deg, #fbf7f2 0%, var(--bg) 48%, var(--bg-deep) 100%);
  color: var(--text);
  font-family: "Avenir Next", "Segoe UI", "Helvetica Neue", Helvetica, sans-serif;
  line-height: 1.6;
  scroll-behavior: smooth;
}

html[data-lang="en"] [data-copy="zh"] {
  display: none;
}

html[data-lang="zh"] [data-copy="en"] {
  display: none;
}

body {
  position: relative;
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: auto;
  z-index: -1;
  pointer-events: none;
  filter: blur(12px);
}

body::before {
  top: 10%;
  left: -8%;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: rgba(255, 238, 206, 0.55);
}

body::after {
  right: -4%;
  bottom: 12%;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: rgba(31, 102, 94, 0.16);
}

body.app-perler {
  --accent: #8d5324;
  --accent-strong: #5e3515;
  --accent-soft: rgba(141, 83, 36, 0.15);
  --hero-a: #f4ddcc;
  --hero-b: #efe8bb;
}

body.app-scene {
  --accent: #1b618a;
  --accent-strong: #123f59;
  --accent-soft: rgba(27, 97, 138, 0.15);
  --hero-a: #d8eef9;
  --hero-b: #f4dfc6;
}

body.app-localsoul {
  --accent: #82445b;
  --accent-strong: #552c3a;
  --accent-soft: rgba(130, 68, 91, 0.15);
  --hero-a: #f0dde6;
  --hero-b: #dfead4;
}

a {
  color: var(--accent-strong);
  text-decoration-thickness: 1.5px;
  text-underline-offset: 0.16em;
}

a:hover {
  text-decoration-color: var(--accent);
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(23, 32, 42, 0.24);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 20;
  padding: 10px 14px;
  border-radius: 999px;
  background: #17202a;
  color: #fff;
  text-decoration: none;
  box-shadow: 0 14px 34px rgba(23, 32, 42, 0.18);
  transform: translateY(-180%);
  transition: transform 180ms ease;
}

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

.shell {
  width: min(var(--max-width), calc(100vw - 32px));
  margin: 0 auto;
  padding: 24px 0 52px;
}

.hero {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.68);
  border-radius: calc(var(--radius-xl) + 4px);
  background:
    linear-gradient(135deg, var(--hero-a) 0%, var(--hero-b) 56%, var(--hero-c) 100%);
  box-shadow: var(--shadow-lg);
  isolation: isolate;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.6), transparent 22%),
    radial-gradient(circle at 82% 18%, rgba(255, 255, 255, 0.38), transparent 18%),
    linear-gradient(130deg, rgba(255, 255, 255, 0.22), transparent 54%);
  z-index: -1;
}

.hero::after {
  content: "";
  position: absolute;
  top: -22%;
  right: -10%;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.38), rgba(255, 255, 255, 0));
  z-index: -1;
}

.hero-inner {
  padding: 30px 30px 28px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
  gap: 24px;
  align-items: end;
}

.hero-copy {
  min-width: 0;
}

.hero-art {
  position: relative;
  min-height: 260px;
  border-radius: 28px;
  border: 1px solid rgba(255, 255, 255, 0.55);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.5), rgba(255, 255, 255, 0.2)),
    rgba(255, 255, 255, 0.26);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.46);
  overflow: hidden;
}

.hero-art::before,
.hero-art::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(2px);
}

.hero-art::before {
  top: -16px;
  right: -18px;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.58), rgba(255, 255, 255, 0));
}

.hero-art::after {
  bottom: -26px;
  left: -16px;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, var(--accent-soft), rgba(255, 255, 255, 0));
}

.orb {
  position: absolute;
  border-radius: 50%;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.18)),
    var(--accent-soft);
  border: 1px solid rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(8px);
}

.orb.orb-a {
  top: 28px;
  right: 28px;
  width: 112px;
  height: 112px;
}

.orb.orb-b {
  bottom: 38px;
  left: 40px;
  width: 86px;
  height: 86px;
}

.orb.orb-c {
  right: 94px;
  bottom: 74px;
  width: 42px;
  height: 42px;
}

.metric-strip {
  position: absolute;
  right: 24px;
  bottom: 22px;
  left: 24px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.metric {
  border-radius: 20px;
  padding: 16px 14px;
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.66);
  box-shadow: 0 18px 40px rgba(44, 31, 18, 0.08);
}

.metric strong {
  display: block;
  font-size: 1.2rem;
  line-height: 1.1;
}

.metric span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.92rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.62);
}

h1,
h2,
h3 {
  margin: 0;
  color: #17202a;
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  line-height: 1.08;
}

h1 {
  margin-top: 20px;
  font-size: clamp(2.7rem, 4.8vw, 5rem);
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(1.4rem, 2.2vw, 2rem);
  letter-spacing: -0.02em;
}

h3 {
  font-size: 1.08rem;
}

.lede {
  max-width: 820px;
  margin-top: 16px;
  color: #2e3945;
  font-size: 1.05rem;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.chip {
  padding: 9px 13px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.64);
  border: 1px solid rgba(24, 32, 42, 0.08);
  color: #334050;
  font-size: 0.92rem;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.56);
}

.lang-switch,
.subnav,
.card-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.lang-button,
.nav-link {
  appearance: none;
  border: 1px solid rgba(27, 35, 48, 0.08);
  background: rgba(255, 255, 255, 0.82);
  color: var(--text);
  border-radius: 999px;
  padding: 10px 14px;
  cursor: pointer;
  font: inherit;
  font-size: 0.95rem;
  text-decoration: none;
  transition:
    transform 180ms ease,
    background-color 180ms ease,
    border-color 180ms ease,
    color 180ms ease,
    box-shadow 180ms ease;
  box-shadow: 0 10px 24px rgba(38, 28, 18, 0.05);
}

.lang-button:hover,
.nav-link:hover {
  transform: translateY(-1px);
  border-color: rgba(27, 35, 48, 0.14);
}

.lang-button.is-active,
.nav-link.is-active {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  border-color: transparent;
  color: #fff;
}

.section-heading {
  margin-top: 28px;
}

.section-heading p {
  max-width: 700px;
  margin: 12px 0 0;
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 18px;
  margin-top: 22px;
}

.panel,
.card,
.feature-card,
.link-card {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 251, 246, 0.78)),
    var(--surface);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: var(--shadow-md);
}

.panel,
.card {
  border-radius: var(--radius-lg);
}

.panel {
  grid-column: span 12;
  padding: 24px;
}

.panel::before,
.card::before,
.feature-card::before,
.link-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, rgba(255, 255, 255, 0.36), transparent 50%),
    radial-gradient(circle at 100% 0%, rgba(255, 255, 255, 0.26), transparent 32%);
  pointer-events: none;
}

.panel.two-up {
  grid-column: span 6;
}

.panel.three-up {
  grid-column: span 4;
}

.panel.tint {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(255, 253, 250, 0.88)),
    var(--accent-soft);
}

.panel p,
.panel ul,
.panel ol {
  position: relative;
  z-index: 1;
  margin: 14px 0 0;
}

.panel ul,
.panel ol {
  padding-left: 20px;
}

.panel li + li {
  margin-top: 8px;
}

.mini {
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.93rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 24px;
}

.card {
  padding: 22px;
  transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

.card:hover,
.feature-card:hover,
.link-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 32px 84px rgba(38, 28, 18, 0.14);
}

.card .tag {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--accent-strong);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.kicker {
  color: var(--accent-strong);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.spaced > * + * {
  margin-top: 14px;
}

.link-grid,
.feature-rack {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.link-card,
.feature-card {
  border-radius: var(--radius-md);
  padding: 20px;
}

.link-card {
  display: block;
  color: inherit;
  text-decoration: none;
}

.link-card strong,
.feature-card strong {
  position: relative;
  z-index: 1;
  display: block;
  font-size: 1rem;
}

.link-card p,
.feature-card p {
  position: relative;
  z-index: 1;
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.subtle-stack > * + * {
  margin-top: 16px;
}

.pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.pill-list span {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(27, 35, 48, 0.08);
  color: #39475a;
  font-size: 0.92rem;
}

.footer {
  margin-top: 26px;
  padding: 20px 4px 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.footer a {
  margin-right: 4px;
}

.brand-footer {
  margin-top: 30px;
  padding: 22px 0 10px;
  border-top: 1px solid rgba(27, 35, 48, 0.08);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.footer-meta {
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.92rem;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity 640ms cubic-bezier(0.22, 1, 0.36, 1) var(--reveal-delay, 0ms),
    transform 640ms cubic-bezier(0.22, 1, 0.36, 1) var(--reveal-delay, 0ms);
}

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

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

  .lang-button,
  .nav-link,
  .card,
  .feature-card,
  .link-card,
  .reveal {
    transition: none;
    transform: none;
  }

  .reveal {
    opacity: 1;
  }
}

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-art {
    min-height: 220px;
  }

  .cards,
  .link-grid,
  .feature-rack {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .panel.two-up,
  .panel.three-up {
    grid-column: span 12;
  }

  .metric-strip {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .shell {
    width: min(100vw - 20px, var(--max-width));
    padding-top: 10px;
    padding-bottom: 28px;
  }

  .hero-inner,
  .panel,
  .card,
  .feature-card,
  .link-card {
    padding: 20px;
  }

  h1 {
    font-size: 2.35rem;
  }

  .hero-meta,
  .lang-switch,
  .subnav,
  .card-links,
  .pill-list,
  .footer-nav {
    gap: 8px;
  }
}