:root {
  --bg: #1B1A17;
  --panel: #24221E;
  --card: #2A2823;
  --rail: #3A362F;
  --ink: #F2EDE3;
  --ink-dim: #9A9184;
  --ink-faint: #6E675C;
  --signal: #FFB000;
  --on-signal: #1B1A17;
  --ok: #8FC95E;
  --err: #E5484D;

  --font-title: "Barlow Condensed", "Segoe UI Semibold", system-ui, -apple-system, sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: ui-monospace, "Cascadia Mono", "Consolas", monospace;

  --radius: 10px;
  --container: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3 {
  font-family: var(--font-title);
  font-weight: 700;
  letter-spacing: 0.3px;
  margin: 0 0 0.5em;
}

h2 { font-size: 2rem; }
h3 { font-size: 1.15rem; }

p { color: var(--ink-dim); margin: 0 0 1em; }

a { color: var(--signal); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(36, 34, 30, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--rail);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1.1rem;
}
.brand:hover { text-decoration: none; }
.brand-icon { width: 28px; height: 28px; border-radius: 6px; }

.site-nav {
  display: flex;
  gap: 22px;
  margin-left: auto;
  flex-wrap: wrap;
}
.site-nav a { color: var(--ink-dim); font-size: 0.95rem; }
.site-nav a:hover { color: var(--signal); text-decoration: none; }
.nav-download {
  color: var(--signal) !important;
  font-weight: 600;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: 1px solid var(--rail);
  border-radius: 6px;
  cursor: pointer;
  margin-left: auto;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--ink);
  margin: 0 7px;
}

.lang-switch {
  display: flex;
  gap: 4px;
  background: var(--card);
  border: 1px solid var(--rail);
  border-radius: 8px;
  padding: 3px;
}
.lang-switch button {
  background: none;
  border: none;
  color: var(--ink-dim);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 5px 8px;
  border-radius: 5px;
  cursor: pointer;
}
.lang-switch button:hover { color: var(--ink); }
.lang-switch button.active {
  background: var(--signal);
  color: var(--on-signal);
  font-weight: 700;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 1px solid transparent;
}
.btn:hover { text-decoration: none; }
.btn-primary {
  background: var(--signal);
  color: var(--on-signal);
}
.btn-primary:hover { filter: brightness(1.08); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--rail);
}
.btn-ghost:hover { border-color: var(--signal); color: var(--signal); }
.btn-large { padding: 16px 36px; font-size: 1.05rem; }

.badge {
  display: inline-block;
  background: var(--card);
  border: 1px solid var(--rail);
  color: var(--ink-dim);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 16px;
}
.badge-muted { color: var(--ink-faint); }

/* Hero */
.hero { padding: 72px 0 40px; }
.hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}
.hero-text h1 { font-size: 2.6rem; color: var(--ink); }
.hero-tagline { font-size: 1.2rem; color: var(--ink); }
.hero-subtitle { color: var(--ink-dim); }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 8px; }
.hero-image {
  background: var(--panel);
  border: 1px solid var(--rail);
  border-radius: 16px;
  padding: 10px;
}

/* Sections */
.section { padding: 64px 0; }
.section-alt { background: var(--panel); }
.section h2 { color: var(--ink); }
.section-subtitle { max-width: 640px; margin-bottom: 36px; }

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.card {
  background: var(--card);
  border: 1px solid var(--rail);
  border-radius: var(--radius);
  padding: 22px;
}
.card h3 { color: var(--ink); }
.card p { margin: 0; }

.gallery-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.gallery-item {
  margin: 0;
  background: var(--card);
  border: 1px solid var(--rail);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
}
.gallery-item img { width: 100%; height: auto; }
.gallery-item figcaption {
  padding: 12px 16px;
  font-size: 0.9rem;
  color: var(--ink-dim);
  border-top: 1px solid var(--rail);
}

.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(0,0,0,0.85);
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.lightbox.open { display: flex; }
.lightbox img { max-width: 90vw; max-height: 85vh; border-radius: 10px; }
.lightbox-close {
  position: absolute;
  top: 20px;
  right: 24px;
  background: none;
  border: none;
  color: var(--ink);
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
}

.compat-note { max-width: 640px; }

.lang-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  max-width: 640px;
}
.lang-pill {
  background: var(--card);
  border: 1px solid var(--rail);
  color: var(--ink);
  padding: 14px 18px;
  border-radius: var(--radius);
  text-align: center;
  font-weight: 600;
}

.support-inner { max-width: 600px; }

.section-download { background: var(--panel); text-align: center; }
.download-inner { max-width: 560px; margin: 0 auto; }
.download-note { font-size: 0.85rem; color: var(--ink-faint); margin-top: 14px; }

/* Licenses page */
.page-hero { padding: 56px 0 8px; }
.page-hero h1 { font-size: 2.4rem; color: var(--ink); }
.section-tight { padding: 44px 0; }
.legal-text > * { max-width: 820px; }
.legal-text h3 { color: var(--ink); margin-top: 1.4em; }
.legal-updated { font-family: var(--font-mono); font-size: 0.8rem; color: var(--ink-faint); }
.legal-note { max-width: 760px; margin-top: 24px; font-size: 0.9rem; }

.link-list { padding-left: 20px; color: var(--ink-dim); margin: 0 0 1em; }
.link-list li { margin-bottom: 6px; overflow-wrap: anywhere; }
.link-list-inline { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.link-list-inline li { margin: 0; }
.link-list-inline a {
  display: inline-block;
  background: var(--card);
  border: 1px solid var(--rail);
  border-radius: 999px;
  padding: 4px 12px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--rail);
  border-radius: var(--radius);
  background: var(--card);
}
.components {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.components th,
.components td {
  text-align: left;
  vertical-align: top;
  padding: 10px 14px;
  border-bottom: 1px solid var(--rail);
}
.components thead th {
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.components td { color: var(--ink-dim); }
.components td:first-child { color: var(--ink); font-weight: 600; }
.components .lic { font-family: var(--font-mono); font-size: 0.8rem; color: var(--ink); }
.components .group-row th {
  background: var(--panel);
  color: var(--signal);
  font-family: var(--font-title);
  font-size: 1rem;
  letter-spacing: 0.3px;
}
.components tbody tr:last-child td { border-bottom: none; }

.pkg-details summary {
  cursor: pointer;
  color: var(--signal);
  font-weight: 600;
  margin-bottom: 16px;
}
.pkg-list {
  list-style: none;
  margin: 0;
  padding: 0;
  columns: 1;
  column-gap: 32px;
  font-size: 0.85rem;
}
.pkg-list li {
  break-inside: avoid;
  padding: 4px 0;
  border-bottom: 1px solid var(--rail);
  overflow-wrap: anywhere;
}
.pkg-name { color: var(--ink); }
.pkg-ver { color: var(--ink-faint); font-family: var(--font-mono); font-size: 0.78rem; }
.pkg-lic { display: block; color: var(--ink-dim); font-family: var(--font-mono); font-size: 0.75rem; }

.footer-links a { color: var(--ink-dim); }

/* Footer */
.site-footer {
  border-top: 1px solid var(--rail);
  padding: 32px 0;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: center;
  text-align: center;
  color: var(--ink-faint);
  font-size: 0.85rem;
}
.footer-inner p { margin: 0; color: var(--ink-faint); }
.footer-contact a { color: var(--ink-dim); }
.back-to-top { color: var(--ink-dim); margin-top: 10px; }

/* Responsive */
@media (min-width: 640px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .pkg-list { columns: 2; }
}

@media (min-width: 900px) {
  .hero-inner { grid-template-columns: 1.1fr 0.9fr; }
}

@media (min-width: 1024px) {
  .features-grid { grid-template-columns: repeat(3, 1fr); }
  .pkg-list { columns: 3; }
}

@media (max-width: 899px) {
  .nav-toggle { display: flex; }
  .site-nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--panel);
    border-bottom: 1px solid var(--rail);
    flex-direction: column;
    padding: 16px 24px;
    gap: 14px;
  }
  .site-nav.open { display: flex; }
  .header-inner { flex-wrap: wrap; position: relative; }
  .lang-switch { order: 3; margin-left: auto; }
}