:root {
  color-scheme: light;
  --cream: #faf8f6;
  --cream-dark: #f3ebe3;
  --orange: #e8601c;
  --orange-light: #f08a4f;
  --orange-soft: #fbe2b9;
  --text: #1a120e;
  --text-muted: #7a6558;
  --border: #edd9c8;
  --white: #ffffff;
  --max-width: 680px;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  min-height: 100vh;
  font-family: Georgia, "Times New Roman", "Songti TC", "Noto Serif TC", serif;
  background: linear-gradient(180deg, var(--cream) 0%, var(--cream-dark) 100%);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
}

a { color: var(--orange); }
a:hover { color: var(--orange-light); }

.site {
  width: min(100%, var(--max-width));
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  min-height: 100vh;
}

.top-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.25rem;
  background: rgba(250, 248, 246, 0.94);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(237, 217, 200, 0.7);
}

.nav-branding {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  line-height: 0;
  text-decoration: none;
  color: inherit;
}

.nav-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: block;
  flex: 0 0 auto;
  box-shadow: 0 4px 14px rgba(232, 96, 28, 0.22);
}

.nav-title {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang HK",
    "Noto Sans TC", sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--orange);
  line-height: 1;
}

.launch-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  margin: 1rem 1.5rem 0;
  padding: 0.85rem 1rem;
  text-align: center;
  border-radius: 12px;
  background: rgba(232, 96, 28, 0.1);
  border: 1px solid rgba(232, 96, 28, 0.18);
  color: var(--orange);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang HK",
    "Noto Sans TC", sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
}

.launch-banner-icon {
  width: 1.15rem;
  height: 1.15rem;
  flex: 0 0 auto;
}

.launch-banner-link {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 0.15em;
  font-weight: 700;
}

.launch-banner-link:hover {
  color: var(--text);
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1rem 1.35rem;
  margin: 0 0 1.25rem;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--orange);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
}

.social-link:hover {
  color: var(--orange-light);
}

.social-icon {
  width: 14px;
  height: 14px;
  flex: 0 0 auto;
  display: block;
}

.store-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  padding: 1rem 1.5rem 0;
}

.store-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  min-width: 168px;
  padding: 0.55rem 0.9rem;
  border-radius: 10px;
  background: #111;
  color: #fff;
  text-decoration: none;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.store-badge:hover {
  color: #fff;
  opacity: 0.9;
  transform: translateY(-1px);
}

.store-badge-icon {
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
}

.store-badge-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.1;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.store-badge-eyebrow {
  font-size: 0.62rem;
  letter-spacing: 0.02em;
  opacity: 0.85;
}

.store-badge-name {
  font-size: 1.05rem;
  font-weight: 600;
}

.hero {
  padding: 1.75rem 1.5rem 0.5rem;
  text-align: center;
}

.hero-icon {
  width: 112px;
  height: 112px;
  border-radius: 24px;
  display: block;
  margin: 0 auto 1.1rem;
  box-shadow: 0 14px 36px rgba(232, 96, 28, 0.22);
}

.hero h1 {
  margin: 0 0 0.45rem;
  font-size: clamp(2rem, 5vw, 2.6rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--orange);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang HK",
    "Noto Sans TC", sans-serif;
}

.hero .tagline {
  margin: 0 auto;
  max-width: 28rem;
  color: var(--text-muted);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang HK",
    "Noto Sans TC", sans-serif;
  font-size: 1.1rem;
}

.site-header {
  padding: 1.35rem 1.5rem 1rem;
  text-align: center;
}

.site-header h1 {
  margin: 0.75rem 0 0.5rem;
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  font-weight: 600;
  line-height: 1.2;
}

.site-header p,
.site-header .lead {
  margin: 0 auto;
  max-width: 34rem;
  color: var(--text-muted);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang HK",
    "Noto Sans TC", sans-serif;
  font-size: 1.05rem;
  line-height: 1.7;
}

main {
  padding: 0 1.5rem 3.5rem;
  min-width: 0;
}

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.75rem;
  box-shadow: 0 12px 40px rgba(26, 18, 14, 0.08);
}

.card + .card {
  margin-top: 1.25rem;
}

.card h2 {
  margin: 0 0 0.75rem;
  font-size: 1.2rem;
  color: var(--orange);
}

.card h3 {
  margin: 1.5rem 0 0.6rem;
  font-size: 1.05rem;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang HK",
    "Noto Sans TC", sans-serif;
}

.card p,
.card li {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang HK",
    "Noto Sans TC", sans-serif;
  font-size: 0.98rem;
}

.card p { margin: 0; }

.card p + p {
  margin-top: 0.9rem;
}

.card ul,
.feature-list {
  margin: 0;
  padding-left: 1.25rem;
}

.feature-list li + li,
.card ul li + li {
  margin-top: 0.55rem;
}

.pitch {
  margin-top: 1.25rem;
}

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

.pitch-list li {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang HK",
    "Noto Sans TC", sans-serif;
  font-size: 1.02rem;
  color: var(--text);
}

.pitch-list li + li {
  margin-top: 0.75rem;
}

.meta {
  margin-bottom: 1.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.92rem;
  color: var(--text-muted);
}

.note {
  margin-top: 1rem;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.site-footer {
  padding: 0 1.5rem 3rem;
  text-align: center;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang HK",
    "Noto Sans TC", sans-serif;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.intro h2,
.section-title {
  margin: 0 0 0.75rem;
  font-size: 1.2rem;
  color: var(--orange);
}

.section-title {
  text-align: center;
  font-size: 1rem;
  color: var(--text-muted);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}