:root {
  color-scheme: light;
  --pine-950: #102a25;
  --pine-900: #173b33;
  --pine-800: #235447;
  --pine-100: #dce9e2;
  --pine-050: #f2f6f1;
  --amber-500: #d99a25;
  --amber-200: #f2d99c;
  --ink: #1f2926;
  --muted: #5f6b66;
  --paper: #fbfaf4;
  --line: #b9c6bd;
  --white: #ffffff;
  --shadow: 0 14px 34px rgba(16, 42, 37, 0.10);
  --radius: 16px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); line-height: 1.72; overflow-wrap: anywhere; }
a { color: var(--pine-800); text-decoration-thickness: 1px; text-underline-offset: 0.18em; }
a:hover, a:focus-visible { color: #8a5b06; }
button, a { touch-action: manipulation; }
.skip-link { position: absolute; left: 1rem; top: -5rem; z-index: 100; background: var(--amber-500); color: var(--pine-950); padding: .65rem 1rem; font-weight: 700; }
.skip-link:focus { top: .75rem; }
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(251,250,244,.96); border-bottom: 1px solid var(--line); backdrop-filter: blur(10px); }
.nav-shell { width: min(1180px, calc(100% - 2rem)); min-height: 68px; margin: 0 auto; display: flex; align-items: center; gap: 1.25rem; }
.brand { display: inline-flex; align-items: center; gap: .6rem; color: var(--pine-950); text-decoration: none; font-weight: 800; letter-spacing: .03em; white-space: nowrap; }
.brand-mark { width: 28px; height: 28px; display: grid; place-items: center; border: 1px solid var(--pine-800); background: var(--amber-200); box-shadow: 4px 4px 0 var(--pine-800); }
.desktop-nav { margin-left: auto; display: flex; align-items: center; gap: 1rem; font-size: .92rem; }
.desktop-nav a { text-decoration: none; font-weight: 650; }
.menu-button { display: none; margin-left: auto; min-height: 44px; min-width: 44px; border: 1px solid var(--pine-800); border-radius: 10px; background: var(--paper); color: var(--pine-950); font: inherit; font-weight: 750; }
.drawer { display: none; border-top: 1px solid var(--line); background: var(--pine-950); color: var(--white); }
.drawer[aria-hidden="false"] { display: block; }
.drawer-inner { width: min(1180px, calc(100% - 2rem)); margin: 0 auto; padding: 1rem 0 1.25rem; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .55rem 1rem; }
.drawer a { color: var(--white); padding: .55rem 0; }
main { min-height: 68vh; }
.hero { background: var(--pine-950); color: var(--white); border-bottom: 8px solid var(--amber-500); }
.hero-grid { width: min(1180px, calc(100% - 2rem)); margin: 0 auto; padding: clamp(3rem, 8vw, 7.5rem) 0; display: grid; grid-template-columns: minmax(0, 1.18fr) minmax(280px, .82fr); gap: clamp(2rem, 6vw, 5rem); align-items: center; }
.eyebrow { margin: 0 0 .75rem; color: var(--amber-200); font-size: .78rem; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
h1, h2, h3 { color: var(--pine-950); line-height: 1.22; text-wrap: balance; }
.hero h1 { color: var(--white); font-size: clamp(2.55rem, 8vw, 6.6rem); letter-spacing: -.045em; margin: 0 0 1rem; }
.hero-copy { max-width: 48rem; margin: 0; color: #dce9e2; font-size: clamp(1rem, 2.2vw, 1.24rem); }
.signal-board { display: grid; border: 1px solid #6f8d81; background: #0c211d; box-shadow: 12px 12px 0 rgba(217,154,37,.38); }
.signal-row { min-width: 0; display: grid; grid-template-columns: 1.1fr .9fr; gap: 1rem; padding: .95rem 1rem; border-bottom: 1px solid #547267; }
.signal-row:last-child { border-bottom: 0; }
.signal-label { color: #b9cfc4; font-size: .84rem; }
.signal-value { color: var(--amber-200); text-align: right; font-weight: 750; }
.page-hero .hero-grid { padding: clamp(2.6rem, 7vw, 5rem) 0; grid-template-columns: minmax(0, 1fr) minmax(240px, .42fr); }
.page-hero h1 { font-size: clamp(2rem, 5vw, 4.4rem); }
.paper-note { padding: 1.15rem; border: 1px solid #6f8d81; background: rgba(255,255,255,.06); }
.content-shell { width: min(1180px, calc(100% - 2rem)); margin: 0 auto; padding: clamp(2.6rem, 6vw, 5.5rem) 0; }
.editorial-grid { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(260px, .65fr); gap: clamp(2rem, 5vw, 4.5rem); align-items: start; }
.prose { min-width: 0; }
.prose > :first-child { margin-top: 0; }
.prose h2 { margin: 2.4rem 0 .8rem; font-size: clamp(1.45rem, 3vw, 2.15rem); }
.prose h3 { margin: 1.5rem 0 .45rem; font-size: 1.12rem; }
.prose p, .prose li { max-width: 76ch; }
.prose li + li { margin-top: .42rem; }
.side-note { position: sticky; top: 92px; padding: 1.2rem; border: 1px solid var(--pine-800); background: var(--pine-050); box-shadow: 8px 8px 0 var(--amber-200); }
.side-note h2 { margin-top: 0; font-size: 1.15rem; }
.side-note ul { padding-left: 1.2rem; margin-bottom: 0; }
.section-block { padding: clamp(2.8rem, 6vw, 5.5rem) 0; border-top: 1px solid var(--line); }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 1.5rem; margin-bottom: 1.5rem; }
.section-head h2 { margin: 0; font-size: clamp(1.7rem, 4vw, 2.8rem); }
.section-head p { max-width: 38rem; margin: 0; color: var(--muted); }
.card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.note-card { min-width: 0; padding: 1.25rem; border: 1px solid var(--line); background: var(--white); box-shadow: 0 6px 0 rgba(35,84,71,.12); }
.note-card h3 { margin: 0 0 .65rem; font-size: 1.13rem; }
.note-card p { color: var(--muted); }
.note-card a { font-weight: 750; }
.meta-line { display: flex; flex-wrap: wrap; gap: .5rem; margin: 1rem 0; }
.chip { display: inline-flex; align-items: center; min-height: 32px; padding: .2rem .65rem; border: 1px solid var(--pine-800); border-radius: 999px; background: var(--pine-050); color: var(--pine-950); font-size: .82rem; text-decoration: none; }
.steps { counter-reset: step; list-style: none; padding: 0; }
.steps li { position: relative; padding: .9rem 1rem .9rem 3.4rem; border-top: 1px solid var(--line); }
.steps li::before { counter-increment: step; content: counter(step, decimal-leading-zero); position: absolute; left: .5rem; color: #8a5b06; font-weight: 850; }
.checklist { display: grid; gap: .7rem; padding: 0; list-style: none; }
.checklist label { display: flex; gap: .75rem; align-items: flex-start; padding: .85rem; border: 1px solid var(--line); background: var(--white); }
.checklist input { width: 1.15rem; height: 1.15rem; margin-top: .3rem; accent-color: var(--pine-800); }
.status-callout { padding: 1rem 1.15rem; border-left: 5px solid var(--amber-500); background: #fff6de; }
.faq details { border-top: 1px solid var(--line); padding: 1rem 0; }
.faq summary { cursor: pointer; color: var(--pine-950); font-weight: 750; }
.site-footer { background: var(--pine-950); color: #dce9e2; border-top: 8px solid var(--amber-500); }
.footer-grid { width: min(1180px, calc(100% - 2rem)); margin: 0 auto; padding: 2.5rem 0; display: grid; grid-template-columns: 1.15fr .85fr; gap: 2rem; }
.footer-grid a { color: var(--amber-200); }
.footer-links { display: flex; flex-wrap: wrap; align-content: flex-start; gap: .55rem 1rem; }
.footer-note { color: #a9bdb4; font-size: .88rem; }
@media (max-width: 900px) {
  .desktop-nav { display: none; }
  .menu-button { display: inline-flex; align-items: center; justify-content: center; }
  .hero-grid, .page-hero .hero-grid, .editorial-grid { grid-template-columns: minmax(0, 1fr); }
  .signal-board { max-width: 38rem; }
  .side-note { position: static; }
  .card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 620px) {
  .nav-shell, .hero-grid, .content-shell, .drawer-inner, .footer-grid { width: min(100% - 1.25rem, 1180px); }
  .hero-grid { padding: 3rem 0; }
  .hero h1 { font-size: clamp(2.5rem, 16vw, 4.4rem); }
  .signal-row { grid-template-columns: minmax(0, 1fr); gap: .15rem; }
  .signal-value { text-align: left; }
  .card-grid, .footer-grid { grid-template-columns: minmax(0, 1fr); }
  .section-head { display: block; }
  .section-head p { margin-top: .5rem; }
  .drawer-inner { grid-template-columns: minmax(0, 1fr); max-height: calc(100vh - 69px); overflow-y: auto; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}