:root {
  color-scheme: light;
  --bg: #f8f4ec;
  --paper: #fffdf8;
  --ink: #243027;
  --muted: #68736a;
  --line: #d9d0c1;
  --green: #3f7658;
  --blue: #405f8c;
  --red: #a85e52;
  --gold: #b8912f;
  --shadow: 0 18px 50px rgba(42, 45, 38, 0.13);
  font-family: "Noto Sans TC", "PingFang TC", "Hiragino Sans", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
  color: var(--ink);
}

body {
  margin: 0;
  min-width: 320px;
  background:
    linear-gradient(180deg, rgba(248, 244, 236, 0.9), rgba(248, 244, 236, 1)),
    url("/assets/paper-grain.png");
  font-size: 16px;
  line-height: 1.75;
}

a {
  color: var(--blue);
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--red);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 253, 248, 0.92);
  border-bottom: 1px solid rgba(217, 208, 193, 0.75);
  backdrop-filter: blur(12px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 14px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 750;
  text-decoration: none;
}

.brand img {
  width: 34px;
  height: 34px;
  border-radius: 8px;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px 18px;
  font-size: 0.92rem;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--ink);
}

.hero {
  position: relative;
  display: grid;
  min-height: 58vh;
  place-items: end start;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(21, 32, 25, 0.78), rgba(21, 32, 25, 0.28)),
    url("/assets/forest-threshold.png") center / cover;
}

.hero-content {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 96px 0 72px;
  color: #fffdf8;
}

.eyebrow {
  margin: 0 0 12px;
  color: rgba(255, 253, 248, 0.78);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.25;
  letter-spacing: 0;
}

h1 {
  max-width: 680px;
  font-family: "Noto Serif TC", "Songti TC", serif;
  font-size: clamp(2.4rem, 7vw, 5.5rem);
  font-weight: 700;
}

.hero p {
  max-width: 640px;
  margin: 20px 0 0;
  color: rgba(255, 253, 248, 0.88);
  font-size: 1.05rem;
}

.container {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.status {
  margin: 28px auto 0;
  padding: 14px 16px;
  border: 1px solid rgba(184, 145, 47, 0.34);
  border-radius: 8px;
  background: rgba(255, 250, 231, 0.88);
  color: #5d4920;
  font-size: 0.95rem;
}

.page-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  padding: 40px 0 64px;
}

.page-link {
  min-height: 160px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 253, 248, 0.82);
  box-shadow: 0 10px 28px rgba(42, 45, 38, 0.08);
  color: var(--ink);
  text-decoration: none;
}

.page-link:hover {
  border-color: rgba(63, 118, 88, 0.45);
  color: var(--ink);
  transform: translateY(-1px);
}

.page-link span {
  display: block;
  margin-bottom: 10px;
  color: var(--green);
  font-size: 0.82rem;
  font-weight: 750;
}

.page-link h2 {
  font-size: 1.2rem;
}

.page-link p {
  margin: 10px 0 0;
  color: var(--muted);
}

.document {
  padding: 44px 0 72px;
}

.document-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 34px;
  align-items: start;
}

.prose {
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 253, 248, 0.9);
  box-shadow: var(--shadow);
}

.prose h1 {
  color: var(--ink);
  font-size: clamp(2rem, 5vw, 3.4rem);
}

.prose h2 {
  margin-top: 34px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  color: var(--green);
  font-size: 1.35rem;
}

.prose h3 {
  margin-top: 22px;
  color: var(--blue);
  font-size: 1.05rem;
}

.prose p,
.prose li {
  color: #344038;
}

.prose ul,
.prose ol {
  padding-left: 1.35rem;
}

.meta {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.side-panel {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 253, 248, 0.78);
}

.side-panel h2 {
  color: var(--ink);
  font-size: 1rem;
}

.side-panel ul {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.side-panel li + li {
  margin-top: 10px;
}

.side-panel a {
  color: var(--muted);
  text-decoration: none;
}

.side-panel a:hover,
.side-panel a[aria-current="page"] {
  color: var(--green);
}

.contact-list {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.contact-row {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(248, 244, 236, 0.58);
}

.contact-row strong {
  display: block;
  color: var(--ink);
}

.contact-row a {
  overflow-wrap: anywhere;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: rgba(255, 253, 248, 0.72);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
}

@media (max-width: 860px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    justify-content: flex-start;
  }

  .page-grid,
  .document-shell {
    grid-template-columns: 1fr;
  }

  .side-panel {
    order: -1;
  }
}

@media (max-width: 560px) {
  .hero-content {
    padding: 72px 0 54px;
  }

  .prose {
    padding: 24px 18px;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}