:root {
  --bg: #f5efe3;
  --paper: #fffaf0;
  --ink: #1f1d1a;
  --muted: #6f6255;
  --line: rgba(95, 73, 48, 0.18);
  --accent: #8b3f2f;
  --accent-soft: #ddc0a3;
  --shadow: 0 18px 50px rgba(44, 32, 20, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at top, rgba(221, 192, 163, 0.45), transparent 38%),
    linear-gradient(180deg, #f8f1e7 0%, var(--bg) 100%);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

.page-shell {
  max-width: 1180px;
  margin: 0 auto;
  padding: 28px 20px 72px;
}

.site-header,
.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.site-header {
  margin-bottom: 42px;
  padding: 16px 22px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 250, 240, 0.82);
  box-shadow: var(--shadow);
}

.brand {
  font-family: "Source Han Serif SC", "Noto Serif SC", "Songti SC", serif;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--muted);
  font-size: 15px;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border-radius: 999px;
  color: #fffaf3;
  background: var(--accent);
  white-space: nowrap;
}

.status-inline {
  margin: 0;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--accent);
  background: rgba(255, 250, 240, 0.72);
  font-size: 14px;
}

.site-nav a:hover,
.article-card h3 a:hover,
.list-card h2 a:hover {
  color: var(--accent);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(280px, 0.9fr);
  gap: 24px;
  margin-bottom: 42px;
}

.review-main {
  display: flex;
  align-items: center;
  min-height: calc(100vh - 220px);
}

.review-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(280px, 0.85fr);
  gap: 24px;
  width: 100%;
}

.hero-copy,
.hero-panel,
.review-copy,
.review-panel,
.section-block,
.list-card,
.article-page {
  background: rgba(255, 250, 240, 0.9);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.hero-copy {
  padding: 42px;
}

.review-copy {
  padding: 48px 42px;
}

.hero-copy h1,
.review-copy h1,
.page-head h1,
.article-page h1,
.section-head h2 {
  font-family: "Source Han Serif SC", "Noto Serif SC", "Songti SC", serif;
  line-height: 1.15;
}

.hero-copy h1 {
  margin: 10px 0 16px;
  font-size: clamp(38px, 5vw, 68px);
  max-width: 12ch;
}

.review-copy h1 {
  margin: 12px 0 18px;
  font-size: clamp(36px, 5vw, 64px);
  max-width: 10ch;
}

.hero-text,
.review-text,
.lead,
.article-body,
.list-card p,
.article-card p,
.site-footer {
  color: var(--muted);
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.review-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.button {
  padding: 12px 18px;
  border-radius: 999px;
  transition: transform 160ms ease, background 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  color: #fffaf3;
  background: var(--accent);
}

.button-secondary {
  background: rgba(221, 192, 163, 0.4);
}

.hero-panel {
  padding: 28px;
  align-self: stretch;
  background:
    linear-gradient(180deg, rgba(139, 63, 47, 0.08), rgba(255, 250, 240, 0.96)),
    rgba(255, 250, 240, 0.96);
}

.review-panel {
  padding: 30px 28px;
  align-self: stretch;
  background:
    linear-gradient(180deg, rgba(139, 63, 47, 0.12), rgba(255, 250, 240, 0.98)),
    rgba(255, 250, 240, 0.98);
}

.panel-title,
.eyebrow,
.status-pill,
.card-kicker,
.meta,
.article-meta {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 12px;
}

.status-pill {
  display: inline-flex;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(139, 63, 47, 0.08);
}

.panel-list {
  margin: 18px 0 0;
  padding-left: 18px;
  line-height: 1.9;
}

.review-item {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.55);
}

.review-item span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 13px;
}

.review-item strong {
  font-size: 22px;
  font-family: "Source Han Serif SC", "Noto Serif SC", "Songti SC", serif;
  font-weight: 700;
}

.section-block,
.page-head,
.article-page {
  padding: 30px;
}

.section-head {
  margin-bottom: 18px;
}

.section-head h2,
.page-head h1,
.article-page h1 {
  margin: 10px 0 8px;
  font-size: clamp(30px, 3.4vw, 48px);
}

.card-grid,
.article-list {
  display: grid;
  gap: 18px;
}

.card-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.article-card,
.list-card {
  padding: 22px;
}

.card-image-wrap,
.article-figure {
  display: block;
  overflow: hidden;
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(255, 250, 240, 0.92), rgba(238, 221, 202, 0.62));
}

.card-image-wrap {
  margin-bottom: 16px;
}

.card-image,
.article-image {
  display: block;
  width: 100%;
  height: auto;
}

.card-image {
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.article-card,
.list-card,
.topic-card {
  transition: transform 160ms ease, border-color 160ms ease;
}

.article-card:hover,
.list-card:hover,
.topic-card:hover {
  transform: translateY(-2px);
  border-color: rgba(139, 63, 47, 0.28);
}

.article-card h3,
.list-card h2 {
  margin: 8px 0 10px;
  font-size: 24px;
}

.topic-grid,
.principle-grid {
  display: grid;
  gap: 18px;
}

.topic-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.topic-card {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.56);
}

.topic-image,
.hero-showcase {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 22px;
}

.topic-image {
  margin-bottom: 16px;
}

.hero-panel-copy {
  margin-top: 18px;
}

.topic-card h3 {
  margin: 0 0 10px;
  font-size: 24px;
  font-family: "Source Han Serif SC", "Noto Serif SC", "Songti SC", serif;
}

.topic-card p,
.principle-grid p {
  color: var(--muted);
  line-height: 1.8;
}

.topic-card a {
  display: inline-flex;
  margin-top: 12px;
  color: var(--accent);
}

.compact-block {
  background:
    linear-gradient(120deg, rgba(221, 192, 163, 0.28), rgba(255, 250, 240, 0.94)),
    rgba(255, 250, 240, 0.94);
}

.principle-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.principle-grid article {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.48);
}

.principle-grid strong {
  display: block;
  margin-bottom: 10px;
  font-family: "Source Han Serif SC", "Noto Serif SC", "Songti SC", serif;
  font-size: 20px;
}

.content-wrap {
  max-width: 860px;
  margin: 0 auto;
}

.article-page .lead {
  margin-bottom: 10px;
}

.article-figure {
  margin: 20px 0 0;
  border: 1px solid var(--line);
}

.taxonomy-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 16px 0 0;
}

.taxonomy-pill {
  display: inline-flex;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(221, 192, 163, 0.22);
  color: var(--accent);
  font-size: 13px;
}

.taxonomy-intro {
  color: var(--muted);
  line-height: 1.8;
}

.article-body h2,
.article-body h3 {
  margin-top: 28px;
  font-family: "Source Han Serif SC", "Noto Serif SC", "Songti SC", serif;
}

.article-body ul,
.article-body ol {
  padding-left: 22px;
  color: var(--muted);
  line-height: 1.8;
}

.article-tail {
  margin-top: 28px;
}

.related-block {
  margin-top: 34px;
}

.taxonomy-figure {
  margin-bottom: 18px;
}

.signup-cta {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) auto;
  gap: 20px;
  align-items: center;
  margin: 24px 0;
  padding: 24px 26px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background:
    linear-gradient(135deg, rgba(139, 63, 47, 0.08), rgba(255, 250, 240, 0.95)),
    rgba(255, 250, 240, 0.95);
  box-shadow: var(--shadow);
}

.signup-cta h2 {
  margin: 8px 0 10px;
  font-size: clamp(28px, 3vw, 40px);
  font-family: "Source Han Serif SC", "Noto Serif SC", "Songti SC", serif;
}

.signup-cta p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.cta-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.cta-points span {
  display: inline-flex;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(221, 192, 163, 0.32);
  color: var(--accent);
  font-size: 13px;
}

.site-footer {
  margin-top: 40px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 14px;
}

@media (max-width: 900px) {
  .hero,
  .review-hero,
  .review-meta,
  .card-grid,
  .topic-grid,
  .principle-grid {
    grid-template-columns: 1fr;
  }

  .site-header,
  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .header-actions {
    width: 100%;
    justify-content: space-between;
  }

  .hero-copy,
  .review-copy,
  .section-block,
  .page-head,
  .article-page {
    padding: 24px;
  }

  .review-main {
    min-height: auto;
  }

  .site-header {
    gap: 14px;
  }

  .signup-cta {
    grid-template-columns: 1fr;
  }
}