:root{
    --bg-base: #11151C;
    --bg-elevated: #211D19;
    --bg-card: #2A2522;
    --amber: #E5A63E;
    --amber-deep: #C98727;
    --neon-pink: #FF3D9A;
    --neon-blue: #4DA6FF;
    --text-primary: #F4F1EC;
    --text-secondary: #B8B3AA;
    --text-tertiary: #948F86;
    --divider: #3A342C;
  }
  * { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body {
    margin: 0;
    background: var(--bg-base);
    color: var(--text-primary);
    font-family: -apple-system, BlinkMacSystemFont, "PingFang TC", "Noto Sans TC", "Helvetica Neue", Arial, sans-serif;
    line-height: 1.7;
    font-size: 17px;
    -webkit-font-smoothing: antialiased;
  }
  a { color: var(--amber); }
  .wrap { max-width: 960px; margin: 0 auto; padding: 0 24px; }

  /* ---------- Nav ---------- */
  .nav {
    position: sticky;
    top: 0;
    z-index: 10;
    background: rgba(17, 21, 28, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--divider);
  }
  .nav .wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 14px;
    padding-bottom: 14px;
  }
  .brand {
    font-weight: 800;
    letter-spacing: 0.06em;
    font-size: 16px;
    color: var(--neon-pink);
    text-decoration: none;
  }
  .nav-links {
    display: flex;
    align-items: center;
    gap: 20px;
    font-size: 16px;
  }
  .nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
  }
  .nav-links a:hover { color: var(--amber); }
  .nav-links a { position: relative; }
  /* Invisible 44x44 hit-slop: expands the tap target without affecting
     visual size/background (important for .lang-toggle button, whose
     background fills the padding box — real padding would visibly grow
     the active pill). */
  .nav-links a::after,
  .lang-toggle button::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    min-width: 44px;
    min-height: 44px;
    transform: translate(-50%, -50%);
  }

  /* ---------- Hero ---------- */
  .hero {
    position: relative;
    padding: 64px 0 48px;
    background:
      radial-gradient(ellipse 60% 50% at 50% 0%, rgba(229,166,62,0.10), transparent),
      linear-gradient(180deg, var(--bg-base) 0%, var(--bg-base) 100%);
    border-bottom: 1px solid var(--divider);
  }
  .eyebrow-tag {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    letter-spacing: 0.08em;
    font-size: 15px;
    color: var(--neon-pink);
    text-shadow: 0 0 14px rgba(255,61,154,0.45);
    margin-bottom: 20px;
  }
  .hero h1 {
    font-size: 34px;
    line-height: 1.3;
    margin: 0 0 10px;
    font-weight: 800;
  }
  .hero .tagline-sub {
    font-size: 19px;
    color: var(--text-secondary);
    margin: 0 0 26px;
    max-width: 52ch;
  }
  .hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
  }
  .pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 999px;
    border: 1px solid var(--divider);
    background: var(--bg-elevated);
    font-size: 14px;
    color: var(--text-secondary);
  }

  /* ---------- Sections ---------- */
  section { padding: 56px 0; border-top: 1px solid var(--divider); }
  .section-head { margin-bottom: 30px; max-width: 64ch; }
  .section-head .eyebrow {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--amber);
    margin-bottom: 10px;
  }
  .section-head h2 { font-size: 24px; margin: 0 0 8px; }
  .section-head p { color: var(--text-secondary); margin: 0; font-size: 17px; }

  /* ---------- Pitch ---------- */
  .pitch-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .pitch-card {
    background: var(--bg-card);
    border: 1px solid var(--divider);
    border-radius: 20px;
    padding: 26px 28px;
  }
  .pitch-card .lang-label {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-tertiary);
    margin-bottom: 10px;
  }
  .pitch-card p {
    margin: 0;
    font-size: 17px;
    color: var(--text-primary);
  }

  /* ---------- Icon + downloads ---------- */
  .icon-row {
    display: flex;
    flex-wrap: wrap;
    gap: 28px;
    align-items: center;
  }
  .icon-row img {
    width: 128px;
    height: 128px;
    border-radius: 28px;
    border: 1px solid var(--divider);
    box-shadow: 0 20px 40px -16px rgba(0,0,0,0.6);
    display: block;
  }
  .icon-meta p {
    margin: 0 0 10px;
    font-size: 16px;
    color: var(--text-secondary);
  }
  .dl-links { display: flex; flex-wrap: wrap; gap: 12px; }
  .dl-links a {
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
    color: var(--amber);
    border: 1px solid var(--divider);
    border-radius: 10px;
    padding: 8px 14px;
  }
  .dl-links a:hover { border-color: var(--amber); }

  /* ---------- Screenshot grid ---------- */
  .shot-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
  }
  .shot-grid figure {
    margin: 0;
    background: var(--bg-card);
    border: 1px solid var(--divider);
    border-radius: 16px;
    padding: 12px;
    text-align: center;
  }
  .shot-grid a { display: block; }
  .shot-grid img {
    width: 100%;
    border-radius: 12px;
    border: 1px solid var(--divider);
    display: block;
  }
  .shot-grid figcaption {
    margin-top: 10px;
    font-size: 13px;
    color: var(--text-tertiary);
  }

  /* ---------- Fact sheet ---------- */
  .fact-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    border: 1px solid var(--divider);
    border-radius: 20px;
    overflow: hidden;
  }
  .fact-table tr + tr td { border-top: 1px solid var(--divider); }
  .fact-table td {
    padding: 16px 22px;
    font-size: 16px;
    color: var(--text-secondary);
    vertical-align: top;
  }
  .fact-table td:first-child {
    width: 34%;
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap;
  }

  /* ---------- Contact ---------- */
  .contact-card {
    background: linear-gradient(180deg, var(--bg-card), var(--bg-elevated));
    border: 1px solid var(--divider);
    border-radius: 24px;
    padding: 32px;
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    align-items: center;
    justify-content: space-between;
  }
  .contact-card h2 { margin: 0 0 8px; font-size: 20px; }
  .contact-card p { margin: 0; color: var(--text-secondary); font-size: 16px; max-width: 46ch; }
  .btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 13px 22px;
    border-radius: 14px;
    font-weight: 700;
    font-size: 16px;
    text-decoration: none;
    background: var(--amber);
    color: #211D19;
  }
  .btn:hover { background: var(--amber-deep); }

  /* ---------- Footer ---------- */
  footer {
    border-top: 1px solid var(--divider);
    padding: 32px 0 48px;
  }
  footer .wrap {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
    justify-content: space-between;
    font-size: 14px;
    color: var(--text-tertiary);
  }
  footer a { color: var(--text-tertiary); text-decoration: underline; }
  footer a:hover { color: var(--amber); }
  .footer-links { display: flex; gap: 18px; }

  /* ---------- Lang toggle ---------- */
  .lang-toggle {
    display: flex;
    align-items: center;
    gap: 2px;
    background: var(--bg-elevated);
    border: 1px solid var(--divider);
    border-radius: 999px;
    padding: 3px;
  }
  .lang-toggle button {
    position: relative;
    appearance: none;
    border: none;
    background: transparent;
    color: var(--text-tertiary);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.02em;
    padding: 5px 11px;
    border-radius: 999px;
    cursor: pointer;
    font-family: inherit;
  }
  .lang-toggle button.active { background: var(--amber); color: #211D19; }

  /* ---------- Lang blocks ---------- */
  .lang-zh, .lang-en { display: none; }
  html[data-lang="zh"] .lang-zh { display: initial; }
  html[data-lang="en"] .lang-en { display: initial; }
  html[data-lang="zh"] li.lang-zh,
  html[data-lang="zh"] p.lang-zh,
  html[data-lang="zh"] div.lang-zh,
  html[data-lang="zh"] tr.lang-zh { display: block; }
  html[data-lang="en"] li.lang-en,
  html[data-lang="en"] p.lang-en,
  html[data-lang="en"] div.lang-en,
  html[data-lang="en"] tr.lang-en { display: block; }
  html[data-lang="zh"] tr.lang-zh { display: table-row; }
  html[data-lang="en"] tr.lang-en { display: table-row; }
  /* noscript / no-JS fallback: default to zh */
  html:not([data-lang]) .lang-zh { display: initial; }
  html:not([data-lang]) li.lang-zh,
  html:not([data-lang]) p.lang-zh,
  html:not([data-lang]) div.lang-zh { display: block; }
  html:not([data-lang]) tr.lang-zh { display: table-row; }
  html:not([data-lang]) .lang-en { display: none; }
  html:not([data-lang]) tr.lang-en { display: none; }
  /* .shot-grid declares display:grid, which the bare .lang-* rules above
     out-specify — these grid-scoped rules win it back (same pattern the
     homepage uses for img.lang-zh/img.lang-en). */
  html[data-lang="zh"] .shot-grid.lang-zh { display: grid; }
  html[data-lang="en"] .shot-grid.lang-en { display: grid; }
  html:not([data-lang]) .shot-grid.lang-zh { display: grid; }

  /* ---------- Responsive ---------- */
  @media (max-width: 760px) {
    .pitch-grid { grid-template-columns: 1fr; }
    .shot-grid { grid-template-columns: repeat(2, 1fr); }
    .hero h1 { font-size: 26px; }
    section { padding: 44px 0; }
    .contact-card { padding: 26px; }
    .fact-table td:first-child { width: 42%; white-space: normal; }
  }
  @media (max-width: 560px) {
    .nav .wrap { flex-wrap: wrap; gap: 8px 12px; }
    .brand { font-size: 14px; }
    .nav-links { gap: 12px; font-size: 14px; }
    .shot-grid { grid-template-columns: repeat(2, 1fr); }
  }

.locale-label {
  margin-bottom: 16px;
  color: var(--text-tertiary);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}