:root {
  --bg: #f8f8f9;
  --panel: #ffffff;
  --panel-alt: #fbfbfc;
  --border: #d8dde3;
  --text: #2f343b;
  --muted: #6f7680;
  --gold: #bf8d2a;
  --gold-soft: #f4ead6;
  --gold-border: #d8b16a;
  --success-bg: #add3ab;
  --success-text: #1f6d34;
  --teal: #4aa5b5;
  --shadow: 0 10px 30px rgba(29, 32, 36, 0.06);
  --radius: 14px;
  --radius-sm: 10px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; background: var(--bg); color: var(--text); }
a { color: inherit; text-decoration: none; }
.app-shell { min-height: 100vh; display: grid; grid-template-columns: 280px 1fr; }
.sidebar { background: rgba(255,255,255,0.72); border-right: 1px solid var(--border); padding: 24px 18px; position: sticky; top: 0; height: 100vh; overflow-y: auto; }
.brand { display:flex; align-items:center; gap: 12px; margin-bottom: 18px; padding: 8px 10px; }
.brand-mark { width: 42px; height: 42px; border-radius: 12px; border: 1px solid var(--gold-border); display:flex; align-items:center; justify-content:center; color: var(--gold); font-weight:700; background: linear-gradient(180deg,#fff,#faf6ee); }
.brand-text strong { display:block; font-size: 1.05rem; letter-spacing: 0.02em; }
.brand-text span { color: var(--muted); font-size: .88rem; }
.nav-group { margin: 14px 0 10px; }
.nav-group-label { color: var(--muted); font-size: .8rem; letter-spacing: .06em; text-transform: uppercase; margin: 12px 12px 6px; }
.nav-link { display:block; padding: 10px 12px; border-radius: 12px; color: var(--text); font-weight: 500; }
.nav-link:hover { background: rgba(191,141,42,.08); }
.nav-link.active { background: var(--gold-soft); color: #5e4310; border: 1px solid rgba(216,177,106,.4); }
.nav-children { padding-left: 8px; margin-bottom: 10px; }
.nav-child { display:block; padding: 8px 12px; color: var(--muted); border-radius: 10px; font-size: .95rem; }
.nav-child:hover { background: rgba(191,141,42,.06); color: var(--text); }
.nav-child.active { color: #5e4310; background: rgba(244,234,214,.9); }
.main { min-width: 0; }
.topbar { position: sticky; top:0; z-index:50; backdrop-filter: blur(12px); background: rgba(248,248,249,.88); border-bottom:1px solid var(--border); padding: 14px 22px; display:flex; align-items:center; justify-content:space-between; gap: 16px; }
.topbar-left { display:flex; align-items:center; gap: 12px; }
.menu-toggle { display:none; border:1px solid var(--border); background:#fff; border-radius: 12px; padding:10px 12px; cursor:pointer; }
.breadcrumbs { color: var(--muted); font-size: .94rem; }
.topbar-right { display:flex; align-items:center; gap: 12px; }
.search-form { display:flex; align-items:center; gap:10px; background:#fff; border:1px solid var(--border); border-radius: 14px; padding: 10px 14px; min-width: 320px; }
.search-form input { width:100%; border:none; outline:none; background: transparent; color: var(--text); font-size: .98rem; }
.help-link { display:inline-flex; align-items:center; gap:8px; padding: 10px 14px; background:#fff; border:1px solid var(--border); border-radius: 14px; font-weight: 600; }
.help-icon { width: 18px; height: 18px; border-radius: 999px; background: var(--gold-soft); color: var(--gold); display:inline-flex; align-items:center; justify-content:center; font-size: .82rem; font-weight:700; }
.content { padding: 26px 24px 44px; }
.hero-card { background: linear-gradient(180deg, rgba(255,255,255,.96), rgba(255,255,255,.92)); border:1px solid var(--border); border-radius: 18px; box-shadow: var(--shadow); padding: 28px; margin-bottom: 22px; }
.hero-card h1 { margin:0 0 10px; font-size: 2rem; line-height:1.1; }
.hero-card p { margin:0; color: var(--muted); max-width: 76ch; line-height:1.65; }
.content-grid { display:grid; grid-template-columns: minmax(0, 1fr) 290px; gap: 22px; align-items: start; }
.panel { background: var(--panel); border:1px solid var(--border); border-radius: 18px; box-shadow: var(--shadow); padding: 26px; }
.panel + .panel { margin-top: 18px; }
.panel h2 { margin: 0 0 12px; font-size: 1.3rem; }
.panel p, .panel li { color: var(--text); line-height: 1.7; }
.panel ul, .panel ol { margin: 0; padding-left: 20px; }
.panel table { width:100%; border-collapse: collapse; margin-top: 10px; font-size: .97rem; }
.panel th, .panel td { border-bottom:1px solid var(--border); padding: 12px 10px; text-align:left; vertical-align: top; }
.panel th { color: var(--muted); font-weight: 700; background: var(--panel-alt); }
.callout { border-radius: 14px; padding: 14px 16px; margin-top: 12px; line-height: 1.65; border: 1px solid var(--border); }
.callout.info { background: rgba(244,234,214,.55); border-color: rgba(216,177,106,.5); }
.callout.neutral { background: #fafbfc; }
.link-grid { display:grid; grid-template-columns: repeat(auto-fit, minmax(180px,1fr)); gap: 14px; margin-top: 14px; }
.link-card { display:flex; flex-direction:column; gap:8px; border:1px solid var(--border); border-radius:16px; padding: 16px; background: linear-gradient(180deg,#fff,#fbfbfc); }
.link-card span { font-weight:700; }
.link-card strong { color: var(--gold); font-size: .92rem; }
.link-card:hover { border-color: var(--gold-border); transform: translateY(-1px); transition: .16s ease; }
.placeholder-box { border: 1px dashed var(--gold-border); border-radius: 14px; padding: 18px; background: rgba(244,234,214,.33); color: #6c5320; }
.status { display:inline-flex; align-items:center; justify-content:center; padding: 6px 12px; border-radius: 999px; font-size: .84rem; font-weight: 700; }
.status.success { background: var(--success-bg); color: var(--success-text); }
.status.warn { background: rgba(244,234,214,.85); color: #7c5b1d; }
.status.neutral { background: #eef1f4; color: #56606b; }
.aside-card { background:#fff; border:1px solid var(--border); border-radius: 18px; box-shadow: var(--shadow); padding: 20px; position: sticky; top: 88px; }
.aside-card h3 { margin-top:0; margin-bottom: 12px; font-size: 1rem; }
.article-list { display:grid; gap: 10px; }
.article-list a { padding:10px 12px; border-radius:12px; background: #fafbfc; border:1px solid var(--border); color: var(--muted); }
.article-list a.current { color: #5e4310; background: var(--gold-soft); border-color: rgba(216,177,106,.45); }
.footer { color: var(--muted); font-size: .92rem; padding: 18px 24px 30px; }
.button-link { display:inline-flex; align-items:center; gap:8px; background:#fff; border:1px solid var(--gold-border); color:#5e4310; padding:10px 14px; border-radius: 12px; font-weight: 700; }
.faq-item { border:1px solid var(--border); background:#fafbfc; border-radius: 14px; padding: 14px 16px; margin-bottom: 12px; }
.mobile-drawer { display:none; }
@media (max-width: 1080px) {
  .content-grid { grid-template-columns: 1fr; }
  .aside-card { position: static; }
}
@media (max-width: 920px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: fixed; inset: 0 auto 0 0; width: 300px; transform: translateX(-100%); transition: transform .22s ease; z-index: 120; background: rgba(255,255,255,.98); }
  .sidebar.open { transform: translateX(0); }
  .menu-toggle { display:inline-flex; }
  .search-form { min-width: 0; width: 100%; }
  .topbar { padding: 14px 16px; }
  .topbar-right { width: 100%; }
  .topbar { flex-wrap: wrap; }
  .mobile-drawer { display:block; position: fixed; inset: 0; background: rgba(20,24,28,.22); z-index: 110; opacity:0; pointer-events:none; transition: opacity .22s ease; }
  .mobile-drawer.open { opacity:1; pointer-events:auto; }
}
@media (max-width: 640px) {
  .hero-card h1 { font-size: 1.65rem; }
  .content { padding: 18px 14px 34px; }
  .panel { padding: 20px; }
}