:root {
  --navy-950: #071427;
  --navy-900: #0b1f3a;
  --navy-800: #122a4d;
  --navy-700: #1a3a66;
  --navy-600: #24507f;
  --blue-500: #2f6fed;
  --blue-600: #2559c9;
  --gold-500: #c9973a;
  --gold-600: #ad7d28;
  --bg: #f5f7fa;
  --surface: #ffffff;
  --text: #101828;
  --muted: #5b6472;
  --muted-2: #8792a0;
  --border: #e3e7ee;
  --danger: #b3261e;
  --danger-hover: #8f1e18;
  --success-bg: #e3f5e6;
  --success-text: #1e7a34;
  --radius: 10px;
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.06);
  --shadow-md: 0 8px 24px rgba(16, 24, 40, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
main.container { padding-top: 32px; padding-bottom: 72px; }

/* ---------- Utility bar ---------- */
.utility-bar {
  background: var(--navy-950);
  color: #c9d4e3;
  font-size: 0.8rem;
}
.utility-bar .container {
  display: flex; justify-content: flex-end; gap: 22px; align-items: center;
  padding-top: 8px; padding-bottom: 8px; flex-wrap: wrap;
}
.utility-bar a { text-decoration: none; color: #c9d4e3; display: inline-flex; align-items: center; gap: 6px; }
.utility-bar a:hover { color: #fff; }
.utility-bar svg { width: 14px; height: 14px; flex: none; opacity: 0.85; }

/* ---------- Header ---------- */
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 20;
}
.site-header .container {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 14px; padding-bottom: 14px;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-mark { width: 34px; height: 34px; flex: none; }
.brand-word { font-weight: 800; font-size: 1.2rem; letter-spacing: -0.01em; color: var(--navy-900); }
.brand-word small { display: block; font-weight: 500; font-size: 0.62rem; letter-spacing: 0.09em; color: var(--muted-2); text-transform: uppercase; }

.site-header nav { display: flex; align-items: center; gap: 20px; }
.site-header nav a { color: var(--muted); text-decoration: none; font-size: 0.92rem; font-weight: 500; white-space: nowrap; }
.site-header nav a:hover { color: var(--navy-900); }
.site-header nav a.nav-cta {
  background: var(--navy-900); color: #fff; padding: 9px 18px; border-radius: 999px; font-weight: 600;
}
.site-header nav a.nav-cta:hover { background: var(--navy-700); }

/* ---------- Hero ---------- */
.hero {
  background: radial-gradient(120% 140% at 15% 0%, var(--navy-800) 0%, var(--navy-900) 45%, var(--navy-950) 100%);
  color: #fff;
  padding: 64px 0 56px;
}

/* Wraps everything below the hero on the home page (main has no padding of
   its own there, since the hero needs to be full-bleed). */
.board-section { max-width: 1080px; margin: 0 auto; padding: 0 24px 72px; }
.hero .container { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 40px; align-items: center; }
@media (max-width: 860px) { .hero .container { grid-template-columns: 1fr; } .hero-art { display: none; } }

.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px; font-size: 0.78rem; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase; color: #cfe0ff;
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.14);
  padding: 6px 14px; border-radius: 999px; margin-bottom: 20px;
}
.hero h1 { font-size: 2.5rem; line-height: 1.22; margin: 0 0 18px; letter-spacing: -0.01em; }
.hero h1 em { font-style: normal; color: var(--gold-500); }
.hero .hero-sub { font-size: 1.05rem; color: #cbd6e8; max-width: 46ch; margin: 0 0 32px; }
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 40px; }
.hero .btn-primary { background: var(--gold-500); color: var(--navy-950); }
.hero .btn-primary:hover { background: var(--gold-600); }
.hero .btn-ghost {
  border: 1px solid rgba(255,255,255,0.3); color: #fff; background: transparent;
  padding: 10px 18px; border-radius: 8px; font-weight: 600; text-decoration: none; display: inline-block;
}
.hero .btn-ghost:hover { background: rgba(255,255,255,0.08); }

.hero-stats { display: flex; gap: 32px; flex-wrap: wrap; }
.hero-stats .stat dt { font-size: 0.78rem; color: #9fb2cc; margin-bottom: 2px; }
.hero-stats .stat dd { margin: 0; font-weight: 700; font-size: 1.05rem; color: #fff; }

.hero-art { width: 100%; height: auto; }

/* ---------- Feature strip ---------- */
.feature-strip {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
  margin: -34px 0 48px;
  position: relative; z-index: 5;
}
@media (max-width: 720px) { .feature-strip { grid-template-columns: 1fr; margin-top: 20px; } }
.feature-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px 22px; box-shadow: var(--shadow-md);
}
.feature-card .icon {
  width: 38px; height: 38px; border-radius: 9px; background: #eef3fe; color: var(--blue-600);
  display: flex; align-items: center; justify-content: center; margin-bottom: 12px;
}
.feature-card .icon svg { width: 20px; height: 20px; }
.feature-card h3 { margin: 0 0 6px; font-size: 0.98rem; }
.feature-card p { margin: 0; color: var(--muted); font-size: 0.88rem; }

.section-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; margin-bottom: 18px; flex-wrap: wrap; }
.section-heading h2 { margin: 0; font-size: 1.3rem; }
.section-heading p { margin: 4px 0 0; color: var(--muted); font-size: 0.92rem; }

h1 { font-size: 1.6rem; margin: 0 0 8px; }
h2 { font-size: 1.15rem; margin: 28px 0 12px; }
.lead { color: var(--muted); margin-bottom: 20px; }

.filter-bar { display: flex; gap: 10px; margin-bottom: 24px; flex-wrap: wrap; }
.filter-bar select, .filter-bar input {
  padding: 9px 12px; border: 1px solid var(--border); border-radius: 8px; font: inherit; background: var(--surface);
}

.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 18px; }
.card {
  display: block; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px; text-decoration: none; color: var(--text); transition: box-shadow .15s, transform .15s;
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); border-color: #d4dbe6; }
.card h3 { margin: 8px 0 6px; font-size: 1.05rem; }
.card .route { color: var(--blue-600); font-size: 0.88rem; margin: 4px 0; font-weight: 600; }
.card .desc {
  color: var(--muted); font-size: 0.9rem; margin: 8px 0 0;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.card-tag {
  display: inline-block; font-size: 0.72rem; font-weight: 700; color: var(--navy-800); background: #eef3fe;
  padding: 3px 10px; border-radius: 999px; text-transform: uppercase; letter-spacing: 0.03em;
}
.card-meta { display: flex; gap: 14px; margin-top: 12px; font-size: 0.8rem; color: var(--muted-2); border-top: 1px solid var(--border); padding-top: 10px; }

.back-link { display: inline-block; margin-bottom: 16px; color: var(--muted); text-decoration: none; font-size: 0.9rem; }
.back-link:hover { color: var(--text); }

.detail-meta { display: flex; flex-wrap: wrap; gap: 4px 24px; margin: 16px 0; }
.detail-meta dt { font-size: 0.8rem; color: var(--muted); }
.detail-meta dd { margin: 0 0 8px; font-weight: 600; }
.description { white-space: pre-wrap; }

.apply-box, .login-box, .result-box {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; margin-top: 28px;
  box-shadow: var(--shadow-sm);
}
.result-box { text-align: center; max-width: 520px; margin: 40px auto; }
.result-box .next-steps { text-align: left; background: var(--bg); border-radius: 8px; padding: 16px 18px; margin-top: 20px; font-size: 0.9rem; color: var(--muted); }
.hint { color: var(--muted); font-size: 0.85rem; }

.form { display: flex; flex-direction: column; gap: 14px; margin-top: 12px; }
.form label { display: flex; flex-direction: column; gap: 6px; font-size: 0.9rem; font-weight: 600; }
.form input, .form select, .form textarea {
  font: inherit; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface);
}
.form input:focus, .form select:focus, .form textarea:focus {
  outline: none; border-color: var(--blue-500); box-shadow: 0 0 0 3px rgba(47,111,237,0.15);
}
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 640px) { .two-col { grid-template-columns: 1fr; } }

.btn-primary, .btn-secondary, .btn-danger {
  border: none; border-radius: 8px; padding: 11px 18px; font: inherit; font-weight: 700; cursor: pointer;
  text-decoration: none; display: inline-block; text-align: center;
}
.btn-primary { background: var(--navy-900); color: #fff; }
.btn-primary:hover { background: var(--navy-700); }
.btn-secondary { background: #eef1f5; color: var(--text); }
.btn-secondary:hover { background: #e2e7ee; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: var(--danger-hover); }
.btn-link { background: none; border: none; color: var(--muted); text-decoration: underline; cursor: pointer; font: inherit; padding: 0; }

.form-error { background: #fdecea; color: var(--danger); padding: 12px 16px; border-radius: 8px; font-size: 0.9rem; }

.empty { color: var(--muted); padding: 24px 0; }

.admin-bar { display: flex; justify-content: space-between; align-items: center; gap: 12px; }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin: 18px 0; flex-wrap: wrap; }
.tabs a { padding: 8px 14px; text-decoration: none; color: var(--muted); border-bottom: 2px solid transparent; font-size: 0.9rem; }
.tabs a.active { color: var(--blue-600); border-color: var(--blue-600); font-weight: 700; }

.admin-table { width: 100%; border-collapse: collapse; background: var(--surface); border-radius: var(--radius); overflow: hidden; }
.admin-table th, .admin-table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); font-size: 0.9rem; }
.admin-table th { color: var(--muted); font-weight: 600; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.03em; }
.admin-table tbody tr { cursor: pointer; }
.admin-table tbody tr:hover { background: #f7f9fc; }

.status-badge { font-size: 0.75rem; padding: 3px 10px; border-radius: 999px; white-space: nowrap; font-weight: 600; }
.status-pending { background: #fff4e0; color: #92620a; }
.status-approved { background: var(--success-bg); color: var(--success-text); }
.status-rejected { background: #fdecea; color: var(--danger); }
.status-closed { background: #eceef0; color: var(--muted); }

.review-actions { display: flex; gap: 16px; flex-wrap: wrap; margin: 16px 0; }
.inline-form { display: flex; gap: 8px; }
.inline-form input[type=text] { padding: 9px 12px; border: 1px solid var(--border); border-radius: 8px; min-width: 200px; font: inherit; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-950); color: #aebbcd; margin-top: 64px; }
.footer-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px;
  padding: 48px 0 28px;
}
@media (max-width: 720px) { .footer-grid { grid-template-columns: 1fr; gap: 28px; } }
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.footer-brand .brand-mark { width: 28px; height: 28px; }
.footer-brand span { font-weight: 800; font-size: 1.05rem; color: #fff; }
.footer-grid p { font-size: 0.86rem; line-height: 1.7; margin: 0; }
.footer-grid h4 { color: #fff; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.06em; margin: 0 0 14px; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-grid a { color: #aebbcd; text-decoration: none; font-size: 0.9rem; display: flex; align-items: center; gap: 8px; }
.footer-grid a:hover { color: #fff; }
.footer-grid svg { width: 15px; height: 15px; flex: none; opacity: 0.8; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08); padding: 18px 0; font-size: 0.8rem; color: #8695ab;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px;
}

/* ---------- Markdown content pages (about/privacy/terms) ---------- */
.md-content { max-width: 720px; }
.md-content h1 { margin-bottom: 24px; }
.md-content h2 { font-size: 1.1rem; margin: 32px 0 12px; color: var(--navy-900); }
.md-content p { margin: 0 0 14px; color: var(--text); }
.md-content ul, .md-content ol { margin: 0 0 14px; padding-left: 22px; }
.md-content li { margin-bottom: 6px; }
.md-content li > p { margin: 0; }
.md-content strong { color: var(--navy-900); }
.md-content em { color: var(--muted); font-style: italic; }
.md-content a { color: var(--blue-600); }

/* ---------- Language switcher ---------- */
.lang-switch { display: inline-flex; gap: 2px; }
.lang-switch a {
  padding: 2px 6px; border-radius: 4px; text-decoration: none; color: #c9d4e3; font-size: 0.78rem; font-weight: 600;
}
.lang-switch a.active { background: rgba(255,255,255,0.14); color: #fff; }
.lang-switch .sep { color: #4a5a72; }