/* GrandMaster Mandarin — editorial, refined, China-inspired
   Palette: cinnabar + ink + antique gold on warm paper. */

:root {
  --color-primary: #a8232f;       /* Refined cinnabar */
  --color-primary-dark: #7d1722;
  --color-primary-deep: #4a0f17;  /* Deep wine */
  --color-ink: #1a1611;           /* Calligraphy ink */
  --color-accent: #b8893a;        /* Antique gold */
  --color-accent-soft: #d9b96a;   /* Lighter gold */
  --color-bg: #faf7f1;            /* Warm paper */
  --color-bg-alt: #f3ece0;        /* Aged paper */
  --color-surface: #ffffff;
  --color-text: #2a2520;
  --color-text-light: #6e655b;
  --color-border: #e6dfd2;
  --color-success: #2e7d32;
  --color-error: #c62828;
  --color-warning: #b8893a;

  --max-width: 1120px;
  --max-content: 740px;
  --header-height: 76px;

  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-display: "Cormorant Garamond", "Times New Roman", Georgia, serif;
  --font-cjk: "Noto Serif SC", "Songti SC", "STSong", serif;

  --shadow-sm: 0 1px 2px rgba(26, 22, 17, 0.04), 0 1px 1px rgba(26, 22, 17, 0.06);
  --shadow-md: 0 4px 14px rgba(26, 22, 17, 0.08), 0 2px 4px rgba(26, 22, 17, 0.04);
  --shadow-lg: 0 14px 40px rgba(26, 22, 17, 0.12), 0 4px 12px rgba(26, 22, 17, 0.06);

  --radius: 6px;
  --radius-lg: 12px;
  --transition: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; }

.sr-only {
  position: absolute; left: -10000px; top: auto;
  width: 1px; height: 1px; overflow: hidden;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.content-wrap {
  padding-top: 2.5rem;
  padding-bottom: 4rem;
  min-height: 60vh;
}

/* ── Typography ──────────────────────────────────────── */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--color-ink);
  font-weight: 600;
  letter-spacing: -0.01em;
}
h2 { font-size: clamp(1.7rem, 2.6vw, 2.2rem); line-height: 1.2; margin: 0 0 1rem; }
h3 { font-size: 1.35rem; line-height: 1.3; margin: 0 0 0.5rem; }
h4 { font-size: 1.05rem; margin: 0 0 0.5rem; }

p { margin: 0 0 1rem; }

a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-primary-dark); }

::selection { background: var(--color-accent-soft); color: var(--color-ink); }

/* ── Header ──────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 247, 241, 0.92);
  backdrop-filter: saturate(150%) blur(8px);
  -webkit-backdrop-filter: saturate(150%) blur(8px);
  border-bottom: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.site-header.is-scrolled {
  background: rgba(250, 247, 241, 0.96);
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}
.site-header .wrap.header-inner {
  max-width: 1280px;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  min-height: var(--header-height);
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
  flex-wrap: nowrap;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--color-ink);
  text-decoration: none;
}
.logo-mark {
  font-family: var(--font-cjk);
  font-size: 1.8rem;
  line-height: 1;
  color: var(--color-primary);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-deep) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  padding: 0.2rem 0.4rem 0.1rem;
  border: 1.5px solid var(--color-primary);
  border-radius: 4px;
}
.logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.logo-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.25rem;
  color: var(--color-ink);
}
.logo-tagline {
  font-size: 0.7rem;
  color: var(--color-text-light);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-top: 1px;
}

.main-nav ul {
  list-style: none;
  margin: 0; padding: 0;
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 0;
}
.main-nav a {
  color: var(--color-text);
  text-decoration: none;
  padding: 0.45rem 0.55rem;
  border-radius: var(--radius);
  font-size: 0.88rem;
  font-weight: 500;
  position: relative;
  transition: color var(--transition);
  white-space: nowrap;
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0.55rem; right: 0.55rem; bottom: 0.25rem;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--transition);
}
.main-nav a:hover { color: var(--color-primary); }
.main-nav a:hover::after { transform: scaleX(1); }

.main-nav .nav-cta a {
  background: var(--color-ink);
  color: var(--color-bg);
  padding: 0.5rem 0.95rem;
  border-radius: 99px;
  font-size: 0.84rem;
  margin-left: 0.5rem;
  white-space: nowrap;
}
.main-nav .nav-cta a::after { display: none; }
.main-nav .nav-cta a:hover { background: var(--color-primary); color: #fff; }

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.5rem;
  cursor: pointer;
  width: 40px; height: 40px;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  align-items: center;
}
.nav-toggle-bar {
  display: block;
  width: 18px; height: 2px;
  background: var(--color-ink);
  transition: transform var(--transition), opacity var(--transition);
}

/* ── Hero ────────────────────────────────────────────── */
.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 80% -20%, rgba(184, 137, 58, 0.18), transparent 55%),
    radial-gradient(ellipse at 0% 110%, rgba(168, 35, 47, 0.32), transparent 55%),
    linear-gradient(135deg, #1a1611 0%, #2a1c1e 45%, #4a0f17 100%);
  color: #f6ecd9;
  padding: 7rem 0 6rem;
  isolation: isolate;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(transparent 0, transparent calc(100% - 1px), rgba(217, 185, 106, 0.06) calc(100% - 1px)),
    linear-gradient(90deg, transparent 0, transparent calc(100% - 1px), rgba(217, 185, 106, 0.06) calc(100% - 1px));
  background-size: 80px 80px;
  pointer-events: none;
  z-index: -1;
}
.hero-pattern {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 200'><path d='M20 100 Q50 60 100 100 T180 100' stroke='%23d9b96a' stroke-width='0.6' fill='none' opacity='0.18'/><path d='M20 140 Q50 100 100 140 T180 140' stroke='%23d9b96a' stroke-width='0.6' fill='none' opacity='0.12'/></svg>");
  background-size: 280px 280px;
  opacity: 0.55;
  pointer-events: none;
  z-index: -1;
}
.hero-glyph {
  position: absolute;
  right: -2rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-cjk);
  font-size: clamp(20rem, 42vw, 36rem);
  font-weight: 700;
  line-height: 0.8;
  color: rgba(217, 185, 106, 0.08);
  pointer-events: none;
  user-select: none;
  z-index: -1;
}
.hero-inner { max-width: 760px; position: relative; }
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent-soft);
  margin: 0 0 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(217, 185, 106, 0.25);
}
.hero-eyebrow-mark {
  font-family: var(--font-cjk);
  font-size: 1.1rem;
  letter-spacing: 0;
  color: var(--color-accent);
  font-weight: 700;
}
.hero h2 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  line-height: 1.05;
  color: #faf3e3;
  margin: 0 0 1.25rem;
  letter-spacing: -0.02em;
  font-weight: 500;
}
.hero h2 em {
  font-style: italic;
  color: var(--color-accent-soft);
  font-weight: 400;
}
.hero .lead {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  line-height: 1.65;
  color: rgba(246, 236, 217, 0.88);
  margin: 0 0 2.25rem;
  max-width: 620px;
}
.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
}

/* ── Buttons ─────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.85rem 1.6rem;
  border-radius: 99px;
  text-decoration: none;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition),
              border-color var(--transition), transform var(--transition),
              box-shadow var(--transition);
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: linear-gradient(135deg, var(--color-accent) 0%, #a07327 100%);
  color: var(--color-ink);
  box-shadow: 0 6px 18px rgba(184, 137, 58, 0.28);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #c9982f 0%, #9b6f24 100%);
  color: var(--color-ink);
  box-shadow: 0 10px 26px rgba(184, 137, 58, 0.4);
}
.btn-secondary {
  background: var(--color-surface);
  color: var(--color-ink);
  border-color: var(--color-border);
}
.btn-secondary:hover { background: var(--color-bg-alt); color: var(--color-ink); }
.btn-ghost {
  background: transparent;
  color: rgba(246, 236, 217, 0.94);
  border-color: rgba(217, 185, 106, 0.5);
}
.btn-ghost:hover {
  background: rgba(217, 185, 106, 0.1);
  border-color: var(--color-accent-soft);
  color: #faf3e3;
}
.btn-danger { background: var(--color-error); color: #fff; }
.btn-link {
  background: none;
  border: none;
  color: var(--color-error);
  cursor: pointer;
  text-decoration: underline;
  padding: 0;
}
.btn-lg { padding: 1rem 2rem; font-size: 1rem; }

/* ── Trust strip ─────────────────────────────────────── */
.trust-strip {
  background: var(--color-bg-alt);
  padding: 4rem 0;
  border-bottom: 1px solid var(--color-border);
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}
.trust-item { text-align: center; }
.trust-mark {
  display: inline-block;
  font-family: var(--font-cjk);
  font-size: 2.4rem;
  line-height: 1;
  color: var(--color-primary);
  margin-bottom: 1rem;
  width: 72px; height: 72px;
  line-height: 72px;
  border: 1.5px solid var(--color-accent);
  border-radius: 50%;
  background: var(--color-surface);
}
.trust-item h3 {
  font-size: 1.2rem;
  color: var(--color-ink);
  margin-bottom: 0.5rem;
}
.trust-item p {
  color: var(--color-text-light);
  font-size: 0.95rem;
  margin: 0;
  max-width: 30ch;
  margin-left: auto;
  margin-right: auto;
}

/* ── Section headers ─────────────────────────────────── */
.section-head {
  text-align: center;
  margin: 0 auto 2.5rem;
  max-width: 640px;
}
.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin: 0 0 0.75rem;
  font-weight: 600;
}
.section-eyebrow span {
  font-family: var(--font-cjk);
  font-size: 1.05rem;
  letter-spacing: 0;
  color: var(--color-accent);
}
.section-head h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  color: var(--color-ink);
  margin: 0;
  font-weight: 500;
}

.highlights, .featured { padding: 5rem 0; }
.featured { background: var(--color-bg-alt); }

/* ── Cards ───────────────────────────────────────────── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 1.5rem;
  margin: 0;
}
.card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.5rem 1.5rem;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent-soft);
}
.card:hover::before { opacity: 1; }
.card h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  margin-bottom: 0.5rem;
}
.card h3 a {
  color: var(--color-ink);
  text-decoration: none;
}
.card h3 a:hover { color: var(--color-primary); }
.card p {
  color: var(--color-text-light);
  font-size: 0.95rem;
  margin: 0;
}
.card-arrow {
  display: block;
  margin-top: 1.25rem;
  color: var(--color-primary);
  font-size: 1.1rem;
  transition: transform var(--transition);
}
.card:hover .card-arrow { transform: translateX(4px); }

.card-featured { padding-top: 1.3rem; }
.card time { font-size: 0.82rem; color: var(--color-text-light); }

.badge {
  display: inline-block;
  background: transparent;
  color: var(--color-primary);
  padding: 0.15rem 0.6rem 0.15rem 0;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 0.6rem;
  border-left: 2px solid var(--color-accent);
  padding-left: 0.7rem;
}

/* ── CTA band ────────────────────────────────────────── */
.cta-band {
  background: linear-gradient(135deg, var(--color-ink) 0%, #2a1c1e 100%);
  color: #f6ecd9;
  padding: 5rem 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-band::after {
  content: "道";
  position: absolute;
  font-family: var(--font-cjk);
  font-size: 18rem;
  font-weight: 700;
  color: rgba(217, 185, 106, 0.05);
  right: -2rem;
  top: 50%;
  transform: translateY(-50%);
  line-height: 1;
  pointer-events: none;
}
.cta-inner { position: relative; max-width: 680px; }
.cta-inner h2 {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3.2vw, 2.4rem);
  color: #faf3e3;
  font-weight: 500;
  margin: 0 0 1rem;
}
.cta-inner p {
  color: rgba(246, 236, 217, 0.85);
  margin: 0 0 2rem;
  font-size: 1.05rem;
}
.cta-eyebrow {
  display: inline-flex;
  gap: 0.6rem;
  align-items: center;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent-soft);
  margin: 0 0 1rem;
  font-weight: 600;
}
.cta-eyebrow span {
  font-family: var(--font-cjk);
  font-size: 1.05rem;
  letter-spacing: 0;
  color: var(--color-accent);
}

/* ── Breadcrumb ──────────────────────────────────────── */
.breadcrumb {
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-bottom: 2rem;
  letter-spacing: 0.02em;
}
.breadcrumb a { color: var(--color-text-light); text-decoration: none; }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb [aria-current="page"] { color: var(--color-ink); }

/* ── Content body ────────────────────────────────────── */
.page-content {
  max-width: var(--max-content);
  margin: 0 auto;
}
.page-content > h2 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  line-height: 1.1;
  margin: 0 0 0.75rem;
  font-weight: 500;
}
.page-content header { margin-bottom: 2rem; }
.page-content header time {
  font-size: 0.85rem;
  color: var(--color-text-light);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.body-content {
  font-size: 1.08rem;
  line-height: 1.8;
  color: var(--color-text);
}
.body-content h2 {
  font-size: 1.6rem;
  margin-top: 2.5rem;
  color: var(--color-ink);
  font-weight: 500;
}
.body-content h3 {
  font-size: 1.25rem;
  margin-top: 2rem;
  color: var(--color-ink);
}
.body-content p { margin: 0 0 1.25rem; }
.body-content img { border-radius: var(--radius-lg); margin: 1.5rem 0; box-shadow: var(--shadow-sm); }
.body-content a { color: var(--color-primary); text-decoration: underline; text-decoration-color: var(--color-accent-soft); text-underline-offset: 3px; }
.body-content a:hover { text-decoration-color: var(--color-primary); }
.body-content blockquote {
  border: none;
  border-left: 3px solid var(--color-accent);
  margin: 2rem 0;
  padding: 0.5rem 0 0.5rem 1.5rem;
  background: transparent;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.2rem;
  color: var(--color-ink);
}
.body-content ul, .body-content ol { padding-left: 1.5rem; }
.body-content li { margin-bottom: 0.5rem; }

.video-embed {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  margin: 2rem 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.video-embed iframe {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  border: 0;
}

.empty-state {
  text-align: center;
  color: var(--color-text-light);
  padding: 3rem 1rem;
  font-style: italic;
  font-family: var(--font-display);
  font-size: 1.15rem;
}

/* Section list pages — center the heading */
main > .content-wrap > h2,
.content-wrap > h2 {
  text-align: center;
  font-size: clamp(2rem, 3.5vw, 2.6rem);
  font-weight: 500;
  margin-bottom: 2rem;
  position: relative;
  padding-bottom: 1rem;
}
.content-wrap > h2::after {
  content: "";
  display: block;
  width: 48px;
  height: 2px;
  background: var(--color-accent);
  margin: 1rem auto 0;
}

/* ── Photo gallery ───────────────────────────────────── */
.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.25rem;
  margin: 0;
}
.photo-tile {
  display: block;
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: box-shadow var(--transition), transform var(--transition);
}
.photo-tile:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.photo-tile img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.photo-caption {
  display: block;
  padding: 0.7rem 0.9rem 0.85rem;
  font-size: 0.92rem;
  color: var(--color-text);
}
figure.photo { margin: 2rem 0; }
figure.photo img { border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); }
figure.photo figcaption {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-top: 0.6rem;
  font-style: italic;
  text-align: center;
}

/* ── Flash messages ──────────────────────────────────── */
.flashes { list-style: none; padding: 1rem 0 0; margin: 0; }
.flash {
  padding: 0.85rem 1.15rem;
  border-radius: var(--radius);
  margin-bottom: 0.5rem;
  font-size: 0.93rem;
  box-shadow: var(--shadow-sm);
}
.flash-ok { background: #e8f5e9; color: var(--color-success); border-left: 3px solid var(--color-success); }
.flash-error { background: #fdecea; color: var(--color-error); border-left: 3px solid var(--color-error); }
.flash-warn { background: #fff8e1; color: var(--color-warning); border-left: 3px solid var(--color-warning); }

/* ── Admin ───────────────────────────────────────────── */
.admin-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.25rem;
  margin: 1.5rem 0;
}
.admin-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
}
.admin-card .stat {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 600;
  color: var(--color-primary);
  margin: 0.5rem 0;
  line-height: 1;
}
.admin-card .btn { margin: 0.25rem; }

.toolbar {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  background: var(--color-surface);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.data-table th, .data-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.93rem;
}
.data-table th {
  font-weight: 600;
  background: var(--color-bg-alt);
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-light);
}
.data-table tr:last-child td { border-bottom: none; }
.data-table code {
  font-size: 0.82rem;
  background: var(--color-bg-alt);
  padding: 0.15rem 0.4rem;
  border-radius: 3px;
}

/* ── Forms ───────────────────────────────────────────── */
.edit-form { max-width: 760px; }
.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.4rem;
  font-size: 0.9rem;
  color: var(--color-ink);
}
.form-group small { font-weight: normal; color: var(--color-text-light); }
.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="url"],
.form-group input[type="number"],
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-family: var(--font-body);
  background: var(--color-surface);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(184, 137, 58, 0.18);
}
.form-group textarea {
  resize: vertical;
  font-family: monospace;
  font-size: 0.9rem;
  line-height: 1.6;
}
.form-row { display: flex; gap: 1rem; flex-wrap: wrap; align-items: center; margin-bottom: 1rem; }
.checkbox-label { display: flex; align-items: center; gap: 0.5rem; font-size: 0.92rem; cursor: pointer; }
.form-actions { display: flex; gap: 0.75rem; margin-top: 1.5rem; flex-wrap: wrap; align-items: center; }
.inline-form { display: inline; }

fieldset.form-group { border: none; padding: 0; margin: 0 0 1.25rem; }
fieldset.form-group legend { font-size: 0.95rem; margin-bottom: 0.5rem; font-weight: 600; }
.radio-card {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.95rem 1.1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 0.5rem;
  cursor: pointer;
  background: var(--color-surface);
  transition: border-color var(--transition), background var(--transition);
}
.radio-card:hover { border-color: var(--color-accent-soft); }
.radio-card:has(input:checked) {
  border-color: var(--color-primary);
  background: #fdf4f1;
}
.radio-card input[type="radio"] { margin-top: 0.3rem; }
.radio-card div strong { display: block; font-size: 0.96rem; color: var(--color-ink); }
.radio-card div p { margin: 0.25rem 0 0; font-size: 0.86rem; color: var(--color-text-light); }

.auth-form {
  max-width: 380px;
  margin: 4rem auto;
  background: var(--color-surface);
  padding: 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
}
.auth-form h2 { text-align: center; margin-bottom: 1.5rem; }
.auth-form label { display: block; font-weight: 600; margin: 0.75rem 0 0.3rem; font-size: 0.9rem; }
.auth-form input {
  width: 100%;
  padding: 0.65rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 1rem;
}
.auth-form .btn { width: 100%; margin-top: 1.25rem; }

/* ── Claude output ───────────────────────────────────── */
.claude-output {
  background: #1e1e1e;
  color: #d4d4d4;
  padding: 1rem;
  border-radius: var(--radius);
  overflow-x: auto;
  font-size: 0.85rem;
  line-height: 1.55;
  white-space: pre-wrap;
}
.detail-card, .action-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-sm);
}
.action-card { border-left: 3px solid var(--color-primary); }
.status-waiting { border-left-color: var(--color-accent); }
.meta { font-size: 0.85rem; color: var(--color-text-light); }

/* ── Public contact form ─────────────────────────────── */
.contact-form-wrap {
  margin-top: 2.5rem;
  padding: 2rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  max-width: 680px;
  box-shadow: var(--shadow-sm);
}
.contact-form-wrap h3 { margin-top: 0; font-size: 1.6rem; }
.contact-form-intro { color: var(--color-text-light); font-size: 0.97rem; line-height: 1.6; }
.contact-form .form-actions { flex-direction: column; align-items: flex-start; gap: 0.7rem; }
.contact-form .form-reassurance {
  margin: 0;
  font-size: 0.85rem;
  color: var(--color-text-light);
  font-style: italic;
}
.contact-form .req { color: var(--color-primary); }
.contact-form .field-error {
  color: var(--color-error);
  font-size: 0.85rem;
  margin: 0.25rem 0 0;
}
.contact-form textarea { font-family: var(--font-body); font-size: 0.97rem; }
.contact-form .hp-field {
  position: absolute;
  left: -10000px;
  width: 1px; height: 1px;
  overflow: hidden;
}

/* ── Footer ──────────────────────────────────────────── */
.site-footer {
  background: var(--color-ink);
  color: rgba(246, 236, 217, 0.7);
  padding: 4rem 0 0;
  margin-top: 0;
  font-size: 0.92rem;
  position: relative;
}
.site-footer::before {
  content: "";
  display: block;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--color-accent) 50%, transparent);
  position: absolute;
  top: 0; left: 0; right: 0;
  opacity: 0.7;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
}
.footer-mark {
  font-family: var(--font-cjk);
  font-size: 2rem;
  color: var(--color-accent);
  display: inline-block;
  margin-bottom: 0.75rem;
}
.footer-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: #faf3e3;
  margin: 0 0 0.5rem;
  font-weight: 500;
}
.footer-blurb {
  margin: 0;
  line-height: 1.65;
  max-width: 38ch;
  color: rgba(246, 236, 217, 0.6);
}
.footer-col h4 {
  font-family: var(--font-body);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent-soft);
  margin: 0 0 1rem;
  font-weight: 600;
}
.footer-col ul {
  list-style: none;
  margin: 0; padding: 0;
}
.footer-col li { margin-bottom: 0.6rem; }
.footer-col a {
  color: rgba(246, 236, 217, 0.78);
  text-decoration: none;
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--color-accent-soft); }

.footer-bottom {
  border-top: 1px solid rgba(217, 185, 106, 0.15);
  padding: 1.5rem 0;
  font-size: 0.82rem;
  color: rgba(246, 236, 217, 0.5);
  text-align: center;
}
.footer-bottom p { margin: 0; }
.footer-bottom span[lang="zh"] {
  font-family: var(--font-cjk);
  color: var(--color-accent-soft);
}

/* ── Nav admin link (low-key) ─────────────────────────── */
.main-nav .nav-admin a {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-light);
  padding-left: 0.55rem;
  padding-right: 0.55rem;
  margin-left: 0.35rem;
  border-left: 1px solid var(--color-border);
  border-radius: 0;
}
.main-nav .nav-admin a::after { display: none; }
.main-nav .nav-admin a:hover { color: var(--color-primary); background: transparent; }

/* ── Blog: hero ───────────────────────────────────────── */
.blog-hero {
  background:
    radial-gradient(ellipse at 100% 0%, rgba(184, 137, 58, 0.12), transparent 60%),
    linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
  padding: 4.5rem 0 3rem;
  border-bottom: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}
.blog-hero::after {
  content: "文";
  position: absolute;
  font-family: var(--font-cjk);
  font-weight: 700;
  color: rgba(168, 35, 47, 0.05);
  font-size: 24rem;
  right: -3rem;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  line-height: 1;
}
.blog-hero-inner { position: relative; max-width: 760px; }
.blog-hero .breadcrumb { margin-bottom: 1.5rem; }
.blog-hero .hero-eyebrow {
  color: var(--color-primary);
  border-bottom-color: rgba(168, 35, 47, 0.18);
}
.blog-hero .hero-eyebrow-mark { color: var(--color-accent); }
.blog-hero h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  line-height: 1.1;
  color: var(--color-ink);
  margin: 0 0 1rem;
  font-weight: 500;
  letter-spacing: -0.015em;
}
.blog-hero h2 em {
  font-style: italic;
  color: var(--color-primary);
  font-weight: 500;
}
.blog-hero-lead {
  font-size: 1.1rem;
  line-height: 1.65;
  color: var(--color-text-light);
  max-width: 56ch;
  margin: 0;
}

/* ── Blog: layout ─────────────────────────────────────── */
.blog-body { padding: 4rem 0 5rem; }
.blog-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 3rem;
  align-items: start;
}
.blog-main { min-width: 0; }

/* ── Blog: featured post ──────────────────────────────── */
.featured-post {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 2.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 3rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}
.featured-post:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.featured-cover {
  display: block;
  height: 100%;
  min-height: 320px;
  background: var(--color-bg-alt);
}
.featured-cover img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.featured-text {
  padding: 2.25rem 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.featured-text .badge { margin-bottom: 0.75rem; }
.featured-text h3 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.4vw, 1.95rem);
  line-height: 1.2;
  margin: 0 0 0.85rem;
}
.featured-text h3 a { color: var(--color-ink); text-decoration: none; }
.featured-text h3 a:hover { color: var(--color-primary); }
.featured-text p { color: var(--color-text-light); margin: 0 0 1.25rem; }
.featured-text .post-meta { margin-bottom: 0.85rem; }

/* ── Blog: post grid + cards ──────────────────────────── */
.post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.75rem;
}
.post-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.post-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent-soft);
}
.post-cover {
  display: block;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--color-bg-alt);
}
.post-cover img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--transition);
}
.post-card:hover .post-cover img { transform: scale(1.04); }
.post-cover-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(ellipse at 30% 30%, rgba(184, 137, 58, 0.18), transparent 60%),
    linear-gradient(135deg, var(--color-primary-deep) 0%, var(--color-ink) 100%);
  color: rgba(217, 185, 106, 0.35);
}
.post-cover-glyph {
  font-family: var(--font-cjk);
  font-size: 5rem;
  font-weight: 700;
  line-height: 1;
}
.post-card-body {
  padding: 1.4rem 1.4rem 1.6rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.post-card-body h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  line-height: 1.25;
  margin: 0.35rem 0 0.65rem;
}
.post-card-body h3 a { color: var(--color-ink); text-decoration: none; }
.post-card-body h3 a:hover { color: var(--color-primary); }
.post-card-body p { color: var(--color-text-light); font-size: 0.95rem; margin: 0; }
.post-card-body .post-tags { margin-top: 1rem; }

.post-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.82rem;
  color: var(--color-text-light);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 0 0 0.4rem;
}
.post-meta .dot { color: var(--color-accent); font-size: 0.9rem; }

.post-meta-lg {
  font-size: 0.92rem;
  text-transform: none;
  letter-spacing: 0.02em;
  gap: 0.6rem;
}
.byline strong { color: var(--color-ink); font-weight: 600; }

/* ── Tag pills ────────────────────────────────────────── */
.tag-pill {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 99px;
  background: var(--color-bg-alt);
  color: var(--color-text);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  font-weight: 500;
  border: 1px solid transparent;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  margin-right: 0.3rem;
  margin-bottom: 0.3rem;
}
.tag-pill:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.tag-pill.is-active {
  background: var(--color-ink);
  color: #faf3e3;
  border-color: var(--color-ink);
}
.tag-pill-dark {
  background: rgba(184, 137, 58, 0.14);
  color: var(--color-accent);
  border-color: rgba(184, 137, 58, 0.3);
}
.tag-pill-dark:hover {
  background: var(--color-accent);
  color: var(--color-ink);
  border-color: var(--color-accent);
}

/* ── Blog: sidebar ────────────────────────────────────── */
.blog-aside {
  position: sticky;
  top: calc(var(--header-height) + 1.5rem);
}
.aside-block {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.4rem 1.4rem 1.5rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow-sm);
}
.aside-block h4 {
  font-family: var(--font-body);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin: 0 0 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--color-border);
  font-weight: 600;
}
.aside-block p {
  font-size: 0.93rem;
  color: var(--color-text-light);
  line-height: 1.55;
  margin: 0 0 1rem;
}
.aside-block p:last-child { margin-bottom: 0; }
.aside-block a:not(.tag-pill):not(.btn) {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-color: var(--color-accent-soft);
  text-underline-offset: 3px;
}
.aside-cta .btn { margin-top: 0.25rem; }
.tag-cloud {
  list-style: none;
  margin: 0; padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0;
}
.tag-cloud li { margin: 0; }

/* ── Blog: pagination ─────────────────────────────────── */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}
.pagination a, .pagination span {
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--color-ink);
  text-decoration: none;
  font-weight: 500;
}
.pagination a:hover { color: var(--color-primary); }
.pagination .disabled { color: var(--color-text-light); opacity: 0.4; }
.pagination .page-counter {
  color: var(--color-text-light);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 0.8rem;
}

/* ── Blog: post detail ────────────────────────────────── */
.post-hero {
  background:
    radial-gradient(ellipse at 0% 0%, rgba(168, 35, 47, 0.08), transparent 50%),
    linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
  padding: 3.5rem 0 3rem;
  border-bottom: 1px solid var(--color-border);
}
.post-hero-inner { max-width: 780px; }
.post-hero h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  line-height: 1.12;
  color: var(--color-ink);
  margin: 0.75rem 0 1rem;
  font-weight: 500;
  letter-spacing: -0.015em;
}
.post-tag-row {
  margin: 0 0 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0;
}

.post-cover-figure {
  margin: 0;
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}
.post-cover-figure img {
  display: block;
  width: 100%;
  max-height: 520px;
  object-fit: cover;
  margin: 0 auto;
}

.post-body-wrap {
  padding: 3rem 1.5rem 4rem;
  max-width: var(--max-content);
  margin: 0 auto;
}
.post-body {
  font-size: 1.1rem;
  line-height: 1.85;
  color: var(--color-text);
}
.post-body > *:first-child { margin-top: 0; }

/* ── Post footer (share + author) ─────────────────────── */
.post-footer {
  margin-top: 3.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--color-border);
}
.post-share {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}
.share-label {
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-light);
  font-weight: 600;
  margin-right: 0.5rem;
}
.post-share a {
  display: inline-block;
  padding: 0.4rem 0.95rem;
  border: 1px solid var(--color-border);
  border-radius: 99px;
  font-size: 0.85rem;
  text-decoration: none;
  color: var(--color-ink);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.post-share a:hover {
  background: var(--color-ink);
  color: var(--color-bg);
  border-color: var(--color-ink);
}

.author-card {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 1.5rem;
  padding: 1.75rem;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  align-items: start;
}
.author-mark {
  font-family: var(--font-cjk);
  font-size: 2.2rem;
  color: var(--color-primary);
  width: 80px; height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid var(--color-accent);
  background: var(--color-surface);
  border-radius: 50%;
}
.author-card h4 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  margin: 0 0 0.4rem;
  color: var(--color-ink);
  font-weight: 600;
  letter-spacing: 0;
  text-transform: none;
}
.author-card p {
  font-size: 0.95rem;
  color: var(--color-text-light);
  margin: 0 0 0.75rem;
  line-height: 1.55;
}
.read-link {
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
  font-size: 0.95rem;
}
.read-link:hover { color: var(--color-primary-dark); }

/* ── Related posts strip ──────────────────────────────── */
.related-posts {
  background: var(--color-bg-alt);
  padding: 4rem 0 5rem;
  border-top: 1px solid var(--color-border);
}

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 1000px) {
  .blog-layout { grid-template-columns: 1fr; gap: 2.5rem; }
  .blog-aside { position: static; display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1rem; }
  .blog-aside .aside-block { margin-bottom: 0; }
  .featured-post { grid-template-columns: 1fr; }
  .featured-cover { min-height: 280px; }
  .featured-text { padding: 1.75rem; }
}

@media (max-width: 900px) {
  :root { --header-height: 64px; }
  .trust-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-inner { grid-template-columns: 1fr; gap: 2rem; padding-bottom: 2rem; }
  .hero { padding: 5rem 0 4.5rem; }
  .highlights, .featured, .cta-band { padding: 4rem 0; }
  .trust-strip { padding: 3rem 0; }
  .blog-hero { padding: 3rem 0 2rem; }
  .blog-body { padding: 3rem 0 4rem; }
}

@media (max-width: 768px) {
  body { font-size: 16px; }
  .wrap { padding: 0 1.1rem; }
  .nav-toggle { display: flex; }
  .main-nav ul {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0; right: 0;
    flex-direction: column;
    background: var(--color-bg);
    padding: 1rem 1.5rem 1.5rem;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    gap: 0.25rem;
  }
  .main-nav ul.open { display: flex; }
  .main-nav a { padding: 0.7rem 0; font-size: 1rem; width: 100%; }
  .main-nav a::after { display: none; }
  .main-nav .nav-cta { margin-top: 0.5rem; }
  .main-nav .nav-cta a { display: inline-block; }
  .hero { padding: 4rem 0 4rem; }
  .hero-glyph { font-size: 24rem; right: -4rem; opacity: 0.85; }
  .hero h2 { font-size: 2.2rem; }
  .hero .lead { font-size: 1.05rem; }
  .card-grid { grid-template-columns: 1fr; gap: 1rem; }
  .form-row { flex-direction: column; align-items: stretch; }
  .data-table { font-size: 0.85rem; }
  .data-table th, .data-table td { padding: 0.5rem 0.6rem; }
  .logo-tagline { display: none; }
  .cta-inner h2 { font-size: 1.6rem; }
  .post-grid { grid-template-columns: 1fr; }
  .post-hero { padding: 2.5rem 0 2rem; }
  .post-body-wrap { padding: 2rem 1.1rem 3rem; }
  .post-body { font-size: 1.04rem; }
  .author-card { grid-template-columns: 1fr; text-align: center; }
  .author-mark { margin: 0 auto; }
  .main-nav .nav-admin a { border-left: none; padding: 0.7rem 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}