:root {
  --paper: #fffaf3;
  --card: #fff;
  --ink: #172044;
  --muted: #626982;
  --line: #e8dfd4;
  --accent: #ef6548;
  --accent-soft: #fff0e9;
  --indigo-soft: #eef0ff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Noto Sans TC", sans-serif;
  line-height: 1.8;
}
a { color: inherit; }
.blog-header {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 76px;
  padding: 0.7rem max(5vw, 1.2rem);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 250, 243, 0.95);
  backdrop-filter: blur(14px);
}
.blog-brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
}
.blog-brand img { border-radius: 14px; }
.blog-logo {
  width: clamp(13rem, 24vw, 18rem);
  height: auto;
}
.blog-brand strong,
.blog-brand small { display: block; }
.blog-brand small { color: var(--muted); }
.blog-header nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-weight: 700;
}
.blog-header nav > a { text-decoration: none; }
.blog-button,
.article-cta a {
  display: inline-block;
  padding: 0.65rem 1rem;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-weight: 800;
  text-decoration: none;
}
.article-wrap,
.blog-index {
  width: min(1120px, 92vw);
  margin: 0 auto;
  padding: 2.2rem 0 5rem;
}
.article-wrap { width: min(820px, 92vw); }
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-bottom: 1.5rem;
  color: var(--muted);
  font-size: 0.9rem;
}
.breadcrumbs a { text-decoration: none; }
.article {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--card);
  box-shadow: 0 22px 70px rgba(28, 36, 78, 0.09);
}
.article-head {
  padding: clamp(1.6rem, 5vw, 3.8rem);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(135deg, var(--indigo-soft), var(--accent-soft));
}
.article-kicker,
.index-head > p,
.blog-card > p {
  margin: 0 0 0.7rem;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}
h1, h2, h3 {
  font-family: "Noto Serif TC", serif;
  line-height: 1.35;
}
.article-head h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.5rem);
}
.article-lead {
  max-width: 44rem;
  margin: 1.1rem 0;
  color: #39405f;
  font-size: 1.08rem;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  color: var(--muted);
  font-size: 0.85rem;
}
.article-content { padding: clamp(1.4rem, 5vw, 3.5rem); }
.article-content section { margin: 0 0 2.5rem; }
.article-content h2 {
  margin: 0 0 0.9rem;
  font-size: clamp(1.35rem, 3vw, 1.75rem);
}
.article-content p { margin: 0.8rem 0; }
.article-content li { margin: 0.45rem 0; }
.article-cta {
  margin-top: 1.5rem;
  padding: 1.4rem;
  border: 1px solid #ffc7b8;
  border-radius: 20px;
  background: var(--accent-soft);
}
.article-cta strong { font-size: 1.15rem; }
.article-cta p { margin: 0.45rem 0 0.9rem; }
.related {
  padding: 1.5rem clamp(1.4rem, 5vw, 3.5rem) 2.2rem;
  border-top: 1px solid var(--line);
  background: #fbfbff;
}
.related h2 { margin-top: 0; }
.related li { margin: 0.5rem 0; }
.index-head {
  max-width: 780px;
  margin: 1.5rem 0 2.5rem;
}
.index-head h1 {
  margin: 0;
  font-size: clamp(2.2rem, 6vw, 4.5rem);
}
.index-head > p:last-of-type {
  color: var(--muted);
  font-size: 1.08rem;
}
.category-grid,
.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}
.category-grid { margin-bottom: 3rem; }
.category-grid a,
.blog-card {
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--card);
  text-decoration: none;
  box-shadow: 0 9px 28px rgba(28, 36, 78, 0.05);
}
.category-grid strong,
.category-grid span { display: block; }
.category-grid span,
.blog-card > span { margin-top: 0.4rem; color: var(--muted); font-size: 0.9rem; }
.blog-card h2 { margin: 0; font-size: 1.2rem; }
.blog-card h2 a { text-decoration: none; }
.blog-card:hover,
.category-grid a:hover { transform: translateY(-2px); box-shadow: 0 14px 38px rgba(28, 36, 78, 0.1); }
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  margin-top: 2.5rem;
}
.pagination a {
  padding: 0.6rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  text-decoration: none;
}
.blog-footer {
  padding: 2.4rem 5vw;
  background: var(--ink);
  color: #fff;
  text-align: center;
}
.blog-footer p { margin: 0.35rem 0; color: #dce0f4; }
@media (max-width: 700px) {
  .blog-header nav > a:not(.blog-button) { display: none; }
  .category-grid,
  .blog-grid { grid-template-columns: 1fr; }
  .article-wrap,
  .blog-index { width: min(94vw, 820px); }
}