/* roulang page: index */
:root {
  --primary: #6C5CE7;
  --primary-dark: #5A4BD1;
  --primary-light: #A29BFE;
  --secondary: #F9A825;
  --secondary-dark: #E8960A;
  --accent: #00CEC9;
  --dark: #1a1a2e;
  --dark-soft: #16213e;
  --dark-mid: #0f3460;
  --bg-light: #f0f2f5;
  --bg-card: #ffffff;
  --bg-dark-card: #1e2a4a;
  --text-dark: #1a1a2e;
  --text-light: #f8f9fa;
  --text-muted: #6b7280;
  --text-muted-light: #a0aec0;
  --border: #e2e8f0;
  --border-dark: #2d3a5e;
  --radius: 16px;
  --radius-sm: 8px;
  --radius-lg: 24px;
  --shadow: 0 4px 24px rgba(108, 92, 231, 0.12);
  --shadow-lg: 0 12px 48px rgba(108, 92, 231, 0.18);
  --shadow-hover: 0 16px 56px rgba(108, 92, 231, 0.25);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  --max-width: 1200px;
  --header-height: 72px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font);
  line-height: 1.7;
  color: var(--text-dark);
  background: var(--bg-light);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover, a:focus { color: var(--primary-dark); outline: none; }
a:focus-visible { outline: 3px solid var(--primary-light); outline-offset: 2px; }

img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }

button, input, textarea, select { font-family: inherit; font-size: inherit; }

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

@media (max-width: 768px) {
  .container { padding: 0 16px; }
}

/* Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(26, 26, 46, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  height: var(--header-height);
  transition: var(--transition);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.5px;
  transition: var(--transition);
}

.logo:hover { color: var(--secondary); transform: scale(1.02); }

.logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: #fff;
  flex-shrink: 0;
}

.nav { display: flex; align-items: center; gap: 4px; }

.nav a {
  display: inline-flex;
  align-items: center;
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  color: rgba(255,255,255,0.75);
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

.nav a:hover { color: #fff; background: rgba(255,255,255,0.08); }
.nav a.active { color: #fff; background: var(--primary); }
.nav a.active::after { display: none; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}

.nav-toggle span {
  display: block;
  width: 26px;
  height: 2.5px;
  background: #fff;
  border-radius: 4px;
  transition: var(--transition);
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: rgba(26, 26, 46, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 16px 24px 24px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    transform: translateY(-110%);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
  }
  .nav.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav a { width: 100%; justify-content: center; padding: 12px 20px; }
}

/* Button */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 32px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  line-height: 1.3;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 4px 16px rgba(108, 92, 231, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(108, 92, 231, 0.45);
  color: #fff;
}

.btn-secondary {
  background: var(--secondary);
  color: var(--dark);
  box-shadow: 0 4px 16px rgba(249, 168, 37, 0.35);
}

.btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(249, 168, 37, 0.45);
  color: var(--dark);
}

.btn-outline {
  background: transparent;
  border: 2px solid rgba(255,255,255,0.3);
  color: #fff;
}

.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: #fff;
  color: #fff;
  transform: translateY(-2px);
}

.btn-lg { padding: 16px 48px; font-size: 1.1rem; border-radius: var(--radius); }

@media (max-width: 520px) {
  .btn { padding: 10px 24px; font-size: 0.9rem; }
  .btn-lg { padding: 14px 32px; font-size: 1rem; }
}

/* Hero */
.hero {
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-soft) 50%, var(--dark-mid) 100%);
  position: relative;
  overflow: hidden;
  padding: 120px 0 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  opacity: 0.2;
  pointer-events: none;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(108,92,231,0.15) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 50%, rgba(249,168,37,0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 820px;
  padding: 0 24px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(108,92,231,0.2);
  border: 1px solid rgba(108,92,231,0.3);
  border-radius: 100px;
  padding: 6px 20px;
  font-size: 0.85rem;
  color: var(--primary-light);
  margin-bottom: 24px;
  backdrop-filter: blur(4px);
}

.hero-badge span { color: var(--secondary); font-weight: 600; }

.hero h1 {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.2;
  color: #fff;
  margin-bottom: 20px;
  letter-spacing: -1px;
}

.hero h1 .highlight { background: linear-gradient(135deg, var(--secondary), #FF6B6B); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

.hero p {
  font-size: 1.2rem;
  color: rgba(255,255,255,0.7);
  max-width: 640px;
  margin: 0 auto 40px;
  line-height: 1.8;
}

.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  margin-top: 56px;
  flex-wrap: wrap;
}

.hero-stat { text-align: center; }

.hero-stat-number {
  font-size: 2.4rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
}

.hero-stat-number .num-suffix { color: var(--secondary); font-size: 1.6rem; }

.hero-stat-label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.55);
  margin-top: 4px;
}

@media (max-width: 768px) {
  .hero { min-height: 70vh; padding: 100px 0 60px; }
  .hero h1 { font-size: 2rem; }
  .hero p { font-size: 1rem; }
  .hero-stats { gap: 24px; margin-top: 40px; }
  .hero-stat-number { font-size: 1.8rem; }
}

@media (max-width: 520px) {
  .hero h1 { font-size: 1.6rem; }
  .hero-actions { flex-direction: column; align-items: center; }
  .hero-stats { gap: 16px; }
  .hero-stat { flex: 1 1 40%; }
}

/* Section */
.section { padding: 80px 0; }

.section-alt { background: var(--bg-card); }

.section-dark {
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-soft) 100%);
  color: #fff;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 56px;
}

.section-header h2 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.section-header .subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.section-dark .section-header h2 { color: #fff; }
.section-dark .section-header .subtitle { color: rgba(255,255,255,0.65); }

@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .section-header { margin-bottom: 40px; }
  .section-header h2 { font-size: 1.7rem; }
}

/* Cards Grid */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

@media (max-width: 1024px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
}

@media (max-width: 600px) {
  .card-grid { grid-template-columns: 1fr; gap: 20px; }
}

.card {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }

.card-img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
}

.card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }

.card-body h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.4;
}

.card-body h3 a { color: var(--text-dark); }
.card-body h3 a:hover { color: var(--primary); }

.card-body p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.7;
  flex: 1;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
  font-size: 0.82rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.card-tag {
  display: inline-block;
  padding: 2px 12px;
  border-radius: 100px;
  background: rgba(108,92,231,0.1);
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 500;
}

.card-tag-game { background: rgba(0,206,201,0.1); color: #00CEC9; }
.card-tag-hot { background: rgba(255,107,107,0.1); color: #FF6B6B; }
.card-tag-new { background: rgba(249,168,37,0.1); color: #F9A825; }

/* Dark Card */
.card-dark {
  background: var(--bg-dark-card);
  border: 1px solid var(--border-dark);
}

.card-dark h3 a { color: #fff; }
.card-dark h3 a:hover { color: var(--secondary); }
.card-dark p { color: var(--text-muted-light); }
.card-dark .card-meta { color: var(--text-muted-light); }

/* Feature Grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

@media (max-width: 1024px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 520px) {
  .feature-grid { grid-template-columns: 1fr; }
}

.feature-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid transparent;
}

.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: var(--primary-light); }

.feature-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.8rem;
}

.feature-icon-purple { background: rgba(108,92,231,0.12); color: var(--primary); }
.feature-icon-gold { background: rgba(249,168,37,0.12); color: var(--secondary); }
.feature-icon-teal { background: rgba(0,206,201,0.12); color: var(--accent); }
.feature-icon-red { background: rgba(255,107,107,0.12); color: #FF6B6B; }

.feature-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.feature-card p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.6; }

/* Category Grid */
.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

@media (max-width: 1024px) {
  .category-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 520px) {
  .category-grid { grid-template-columns: 1fr; }
}

.category-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  cursor: pointer;
  border: 1px solid var(--border);
}

.category-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: var(--primary-light); }

.category-card-img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
}

.category-card-body { padding: 20px; text-align: center; }

.category-card-body h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 4px; }
.category-card-body p { font-size: 0.85rem; color: var(--text-muted); }

/* FAQ */
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }

.faq-item {
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
}

.faq-item:hover { border-color: var(--primary-light); }

.faq-question {
  padding: 20px 24px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  color: var(--text-dark);
  transition: var(--transition);
}

.faq-question:hover { color: var(--primary); }
.faq-question::after {
  content: '+';
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--primary);
  transition: var(--transition);
  flex-shrink: 0;
}

.faq-item.active .faq-question::after { content: '−'; }

.faq-answer {
  padding: 0 24px 20px;
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.8;
  display: none;
}

.faq-item.active .faq-answer { display: block; }

/* CTA */
.cta-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  text-align: center;
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
  opacity: 0.08;
  pointer-events: none;
}

.cta-content { position: relative; z-index: 1; max-width: 650px; margin: 0 auto; padding: 0 24px; }

.cta-content h2 { font-size: 2.2rem; font-weight: 800; margin-bottom: 12px; }
.cta-content p { font-size: 1.1rem; opacity: 0.85; margin-bottom: 32px; line-height: 1.7; }

.cta-content .btn {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.cta-content .btn:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(0,0,0,0.25); color: var(--primary-dark); }

@media (max-width: 768px) {
  .cta-section { padding: 56px 0; }
  .cta-content h2 { font-size: 1.7rem; }
}

/* Footer */
.footer {
  background: var(--dark);
  color: rgba(255,255,255,0.7);
  padding: 56px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 520px) {
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
}

.footer-about .logo { font-size: 1.2rem; margin-bottom: 12px; }
.footer-about p { font-size: 0.9rem; line-height: 1.7; max-width: 360px; }

.footer-col h4 { color: #fff; font-size: 1rem; font-weight: 700; margin-bottom: 16px; }

.footer-col a {
  display: block;
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
  padding: 4px 0;
  transition: var(--transition);
}

.footer-col a:hover { color: var(--secondary); padding-left: 4px; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.45);
}

.footer-bottom a { color: rgba(255,255,255,0.5); }
.footer-bottom a:hover { color: var(--secondary); }

@media (max-width: 520px) {
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-muted);
  padding: 20px 0;
  flex-wrap: wrap;
}

.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { color: var(--text-muted); opacity: 0.4; }
.breadcrumb .current { color: var(--primary); font-weight: 500; }

/* Page Header */
.page-header {
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-soft) 100%);
  padding: 120px 0 48px;
  position: relative;
  overflow: hidden;
}

.page-header-bg {
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
  opacity: 0.1;
  pointer-events: none;
}

.page-header-content { position: relative; z-index: 1; }

.page-header h1 {
  font-size: 2.4rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 8px;
}

.page-header p {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.65);
  max-width: 600px;
}

@media (max-width: 768px) {
  .page-header { padding: 100px 0 36px; }
  .page-header h1 { font-size: 1.7rem; }
}

/* Article Detail */
.article-detail { max-width: 820px; margin: 0 auto; padding: 40px 0; }

.article-detail h1 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.3;
}

.article-meta-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 32px;
  flex-wrap: wrap;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.article-body { font-size: 1.05rem; line-height: 1.9; color: var(--text-dark); }
.article-body p { margin-bottom: 20px; }
.article-body img { border-radius: var(--radius); margin: 24px 0; width: 100%; }

.article-not-found {
  text-align: center;
  padding: 80px 0;
}

.article-not-found h2 { font-size: 2rem; color: var(--text-muted); margin-bottom: 16px; }
.article-not-found p { color: var(--text-muted); margin-bottom: 24px; }

/* Empty State */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-muted);
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px dashed var(--border);
}

/* Utility */
.text-center { text-align: center; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mt-48 { margin-top: 48px; }
.gap-16 { gap: 16px; }
.flex-center { display: flex; align-items: center; justify-content: center; }

/* Responsive extras */
@media (max-width: 768px) {
  .card-grid-2 { grid-template-columns: 1fr; }
}

/* Game category badges inline */
.badge-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.badge {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 500;
  background: rgba(108,92,231,0.08);
  color: var(--primary);
  border: 1px solid rgba(108,92,231,0.15);
  transition: var(--transition);
}
.badge:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.4);
  font-size: 0.78rem;
  animation: bounce 2s infinite;
}

.scroll-indicator .arrow { font-size: 1.2rem; }

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
  40% { transform: translateX(-50%) translateY(-8px); }
  60% { transform: translateX(-50%) translateY(-4px); }
}

/* Back to top */
.back-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: var(--shadow);
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.back-top.visible { opacity: 1; pointer-events: auto; }
.back-top:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); background: var(--primary-dark); }

@media (max-width: 520px) {
  .back-top { bottom: 20px; right: 20px; width: 42px; height: 42px; font-size: 1rem; }
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #8b6b4a;
            --primary-dark: #6d5238;
            --primary-light: #c9ad8a;
            --secondary: #d4a373;
            --accent: #e6c9a8;
            --bg-dark: #2c2418;
            --bg-medium: #3d3225;
            --bg-light: #f5ede3;
            --bg-card: #faf3ea;
            --text-primary: #2c2418;
            --text-body: #4a3f33;
            --text-soft: #7a6b5a;
            --text-light: #c9b8a5;
            --border-color: #dccfc0;
            --border-soft: #e8dfd3;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(44, 36, 24, 0.06);
            --shadow-md: 0 6px 24px rgba(44, 36, 24, 0.10);
            --shadow-lg: 0 12px 40px rgba(44, 36, 24, 0.14);
            --shadow-button: 0 3px 10px rgba(139, 107, 74, 0.25);
            --font-serif: 'Georgia', 'Times New Roman', serif;
            --font-sans: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --header-height: 72px;
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }

        ul,
        ol {
            list-style: none;
        }

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }
        button {
            cursor: pointer;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header / 导航 ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: var(--header-height);
            background: rgba(44, 36, 24, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(220, 207, 192, 0.15);
            z-index: 1000;
            transition: background var(--transition);
        }
        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-serif);
            font-size: 1.35rem;
            font-weight: 700;
            color: #f5ede3;
            letter-spacing: 0.02em;
            text-decoration: none;
            transition: opacity var(--transition);
        }
        .logo:hover {
            color: #f5ede3;
            opacity: 0.88;
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--secondary);
            color: var(--bg-dark);
            border-radius: var(--radius-sm);
            font-size: 1.1rem;
            font-weight: 700;
            font-family: var(--font-serif);
            box-shadow: 0 2px 8px rgba(212, 163, 115, 0.3);
        }

        .nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav a {
            display: inline-block;
            padding: 8px 18px;
            font-size: 0.92rem;
            font-weight: 500;
            color: #dccfc0;
            border-radius: 30px;
            transition: all var(--transition);
            position: relative;
            letter-spacing: 0.01em;
        }
        .nav a:hover {
            color: #f5ede3;
            background: rgba(255, 255, 255, 0.06);
        }
        .nav a.active {
            color: #f5ede3;
            background: var(--primary);
            box-shadow: 0 2px 12px rgba(139, 107, 74, 0.35);
        }
        .nav a.active:hover {
            background: var(--primary-dark);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 6px;
            background: none;
            border: none;
            cursor: pointer;
        }
        .nav-toggle span {
            display: block;
            width: 26px;
            height: 2px;
            background: #dccfc0;
            border-radius: 2px;
            transition: all var(--transition);
        }

        /* ===== 移动端导航 ===== */
        @media (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }
            .nav {
                position: fixed;
                top: var(--header-height);
                left: 0;
                width: 100%;
                background: rgba(44, 36, 24, 0.97);
                backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 16px 24px 24px;
                gap: 4px;
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
                border-bottom: 1px solid rgba(220, 207, 192, 0.1);
                box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
            }
            .nav.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav a {
                width: 100%;
                padding: 12px 18px;
                font-size: 1rem;
                border-radius: var(--radius-sm);
            }
            .nav a.active {
                background: var(--primary);
            }
            .container {
                padding: 0 16px;
            }
            .logo {
                font-size: 1.15rem;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.95rem;
            }
        }

        @media (max-width: 480px) {
            :root {
                --header-height: 64px;
            }
            .logo {
                font-size: 1rem;
            }
            .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.85rem;
            }
            .container {
                padding: 0 12px;
            }
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--bg-dark);
            color: #c9b8a5;
            padding: 56px 0 0;
            border-top: 2px solid rgba(212, 163, 115, 0.15);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(220, 207, 192, 0.08);
        }
        .footer-about p {
            font-size: 0.92rem;
            line-height: 1.8;
            color: #b0a090;
            max-width: 360px;
        }
        .footer-col h4 {
            font-family: var(--font-serif);
            font-size: 1rem;
            font-weight: 600;
            color: #f5ede3;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }
        .footer-col a {
            display: block;
            color: #b0a090;
            font-size: 0.9rem;
            padding: 5px 0;
            transition: all var(--transition);
        }
        .footer-col a:hover {
            color: var(--secondary);
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding: 20px 0;
            font-size: 0.85rem;
            color: #8a7a68;
        }
        .footer-bottom a {
            color: var(--secondary);
        }
        .footer-bottom a:hover {
            color: var(--primary-light);
        }

        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-about {
                grid-column: 1 / -1;
            }
            .footer-about p {
                max-width: 100%;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== 复古装饰元素 ===== */
        .ornament {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            color: var(--primary-light);
            font-size: 0.85rem;
            letter-spacing: 0.2em;
            margin: 12px 0 8px;
        }
        .ornament::before,
        .ornament::after {
            content: '';
            display: block;
            width: 40px;
            height: 1px;
            background: var(--border-color);
        }
        .ornament-diamond {
            display: inline-block;
            width: 8px;
            height: 8px;
            background: var(--secondary);
            transform: rotate(45deg);
            margin: 0 8px;
            opacity: 0.6;
        }

        .section-badge {
            display: inline-block;
            padding: 4px 16px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            color: var(--primary-dark);
            background: rgba(139, 107, 74, 0.10);
            border: 1px solid rgba(139, 107, 74, 0.20);
            border-radius: 30px;
            text-transform: uppercase;
        }

        /* ===== Hero / 横幅 ===== */
        .page-hero {
            position: relative;
            padding: 120px 0 72px;
            margin-top: var(--header-height);
            background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            background-color: rgba(44, 36, 24, 0.72);
            min-height: 320px;
            display: flex;
            align-items: center;
            text-align: center;
            border-bottom: 3px solid var(--secondary);
        }
        .page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(44, 36, 24, 0.70) 0%, rgba(44, 36, 24, 0.40) 100%);
            pointer-events: none;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .page-hero h1 {
            font-family: var(--font-serif);
            font-size: 3rem;
            font-weight: 700;
            color: #f5ede3;
            line-height: 1.2;
            letter-spacing: 0.02em;
            margin-bottom: 16px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }
        .page-hero p {
            font-size: 1.15rem;
            color: #dccfc0;
            max-width: 640px;
            margin: 0 auto 8px;
            line-height: 1.7;
        }
        .page-hero .ornament {
            color: var(--secondary);
            margin-top: 8px;
        }
        .page-hero .ornament::before,
        .page-hero .ornament::after {
            background: rgba(212, 163, 115, 0.4);
        }

        @media (max-width: 768px) {
            .page-hero {
                padding: 100px 0 52px;
                min-height: 260px;
            }
            .page-hero h1 {
                font-size: 2rem;
            }
            .page-hero p {
                font-size: 1rem;
            }
        }
        @media (max-width: 480px) {
            .page-hero {
                padding: 88px 0 40px;
                min-height: 220px;
            }
            .page-hero h1 {
                font-size: 1.6rem;
            }
            .page-hero p {
                font-size: 0.92rem;
            }
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 64px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }
        .section-header h2 {
            font-family: var(--font-serif);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.25;
            letter-spacing: 0.01em;
            margin-bottom: 12px;
        }
        .section-header p {
            font-size: 1.05rem;
            color: var(--text-soft);
            max-width: 540px;
            margin: 0 auto;
        }
        .section-header .ornament {
            margin-top: 4px;
        }

        @media (max-width: 768px) {
            .section {
                padding: 44px 0;
            }
            .section-header h2 {
                font-size: 1.7rem;
            }
            .section-header p {
                font-size: 0.95rem;
            }
        }
        @media (max-width: 480px) {
            .section {
                padding: 32px 0;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
        }

        .bg-cream {
            background: #f5ede3;
        }
        .bg-dark-warm {
            background: var(--bg-medium);
            color: #dccfc0;
        }
        .bg-dark-warm .section-header h2 {
            color: #f5ede3;
        }
        .bg-dark-warm .section-header p {
            color: #c9b8a5;
        }
        .bg-dark-warm .ornament::before,
        .bg-dark-warm .ornament::after {
            background: rgba(212, 163, 115, 0.25);
        }

        /* ===== 卡片网格 ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .card-guide {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .card-guide:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
        }
        .card-guide .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-bottom: 2px solid var(--border-soft);
            transition: transform 0.5s ease;
        }
        .card-guide:hover .card-img {
            transform: scale(1.02);
        }
        .card-guide .card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-guide .card-tag {
            display: inline-block;
            padding: 2px 12px;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--primary-dark);
            background: rgba(139, 107, 74, 0.08);
            border-radius: 30px;
            margin-bottom: 10px;
            letter-spacing: 0.03em;
            align-self: flex-start;
            border: 1px solid rgba(139, 107, 74, 0.12);
        }
        .card-guide h3 {
            font-family: var(--font-serif);
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.35;
        }
        .card-guide p {
            font-size: 0.92rem;
            color: var(--text-soft);
            line-height: 1.65;
            flex: 1;
            margin-bottom: 14px;
        }
        .card-guide .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.82rem;
            color: var(--text-light);
            border-top: 1px solid var(--border-soft);
            padding-top: 12px;
            margin-top: auto;
        }
        .card-guide .card-meta i {
            margin-right: 4px;
            color: var(--secondary);
        }
        .card-guide .card-meta .read-more {
            color: var(--primary);
            font-weight: 500;
            transition: all var(--transition);
        }
        .card-guide .card-meta .read-more:hover {
            color: var(--primary-dark);
            padding-right: 4px;
        }

        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }
        @media (max-width: 620px) {
            .card-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .card-guide .card-img {
                height: 180px;
            }
        }

        /* ===== 分类入口（复古标签列表） ===== */
        .topic-list {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
            margin-top: 8px;
        }
        .topic-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 40px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-body);
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .topic-item i {
            color: var(--secondary);
            font-size: 0.9rem;
        }
        .topic-item:hover {
            background: var(--primary);
            color: #f5ede3;
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-button);
        }
        .topic-item:hover i {
            color: #f5ede3;
        }

        /* ===== 图文区块 ===== */
        .feature-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .feature-block.reverse {
            direction: rtl;
        }
        .feature-block.reverse>* {
            direction: ltr;
        }
        .feature-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 2px solid var(--border-soft);
            transition: all var(--transition);
        }
        .feature-img:hover {
            box-shadow: var(--shadow-lg);
        }
        .feature-img img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .feature-img:hover img {
            transform: scale(1.03);
        }
        .feature-content h3 {
            font-family: var(--font-serif);
            font-size: 1.6rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 14px;
            line-height: 1.3;
        }
        .feature-content p {
            font-size: 1rem;
            color: var(--text-soft);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .feature-content .feature-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-bottom: 20px;
        }
        .feature-content .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.95rem;
            color: var(--text-body);
        }
        .feature-content .feature-list li i {
            color: var(--secondary);
            margin-top: 3px;
            flex-shrink: 0;
        }

        @media (max-width: 860px) {
            .feature-block {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .feature-block.reverse {
                direction: ltr;
            }
            .feature-img img {
                height: 240px;
            }
            .feature-content h3 {
                font-size: 1.3rem;
            }
        }
        @media (max-width: 480px) {
            .feature-block {
                gap: 20px;
            }
            .feature-img img {
                height: 200px;
            }
            .feature-content h3 {
                font-size: 1.15rem;
            }
            .feature-content p {
                font-size: 0.92rem;
            }
        }

        /* ===== 统计数字区块 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .stat-item {
            padding: 28px 16px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(220, 207, 192, 0.12);
            border-radius: var(--radius-md);
            transition: all var(--transition);
        }
        .stat-item:hover {
            background: rgba(255, 255, 255, 0.10);
            border-color: rgba(212, 163, 115, 0.25);
        }
        .stat-item .stat-number {
            font-family: var(--font-serif);
            font-size: 2.6rem;
            font-weight: 700;
            color: var(--secondary);
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .stat-item .stat-label {
            font-size: 0.92rem;
            color: #c9b8a5;
            letter-spacing: 0.02em;
        }

        @media (max-width: 860px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-item .stat-number {
                font-size: 2rem;
            }
        }
        @media (max-width: 480px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-item {
                padding: 20px 12px;
            }
            .stat-item .stat-number {
                font-size: 1.6rem;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .faq-item:hover {
            border-color: var(--primary-light);
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-primary);
            cursor: pointer;
            transition: all var(--transition);
            gap: 16px;
        }
        .faq-question i {
            color: var(--secondary);
            font-size: 0.85rem;
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-question:hover {
            background: rgba(139, 107, 74, 0.04);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 24px;
            color: var(--text-soft);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        @media (max-width: 768px) {
            .faq-question {
                padding: 14px 18px;
                font-size: 0.95rem;
            }
            .faq-answer {
                font-size: 0.9rem;
            }
            .faq-item.open .faq-answer {
                padding: 0 18px 16px;
            }
        }

        /* ===== CTA ===== */
        .cta-box {
            background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            background-color: rgba(44, 36, 24, 0.78);
            border-radius: var(--radius-xl);
            padding: 56px 48px;
            text-align: center;
            border: 2px solid rgba(212, 163, 115, 0.15);
            position: relative;
            overflow: hidden;
        }
        .cta-box::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(44, 36, 24, 0.55) 0%, rgba(44, 36, 24, 0.30) 100%);
            pointer-events: none;
            border-radius: var(--radius-xl);
        }
        .cta-box .container {
            position: relative;
            z-index: 2;
        }
        .cta-box h2 {
            font-family: var(--font-serif);
            font-size: 2rem;
            font-weight: 700;
            color: #f5ede3;
            margin-bottom: 12px;
        }
        .cta-box p {
            font-size: 1.05rem;
            color: #dccfc0;
            max-width: 520px;
            margin: 0 auto 24px;
        }
        .cta-box .btn-group {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: 40px;
            transition: all var(--transition);
            border: 2px solid transparent;
            text-decoration: none;
        }
        .btn-primary {
            background: var(--secondary);
            color: var(--bg-dark);
            border-color: var(--secondary);
            box-shadow: var(--shadow-button);
        }
        .btn-primary:hover {
            background: var(--primary-light);
            border-color: var(--primary-light);
            color: var(--bg-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(212, 163, 115, 0.35);
        }
        .btn-outline-light {
            background: transparent;
            color: #f5ede3;
            border-color: rgba(245, 237, 227, 0.40);
        }
        .btn-outline-light:hover {
            background: rgba(245, 237, 227, 0.10);
            border-color: #f5ede3;
            color: #f5ede3;
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .cta-box {
                padding: 40px 24px;
            }
            .cta-box h2 {
                font-size: 1.5rem;
            }
            .cta-box p {
                font-size: 0.95rem;
            }
            .btn {
                padding: 10px 24px;
                font-size: 0.9rem;
            }
        }
        @media (max-width: 480px) {
            .cta-box {
                padding: 32px 16px;
                border-radius: var(--radius-lg);
            }
            .cta-box h2 {
                font-size: 1.25rem;
            }
            .btn-group {
                flex-direction: column;
                align-items: center;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== 分割线 ===== */
        .divider {
            width: 80px;
            height: 2px;
            background: var(--secondary);
            margin: 0 auto 16px;
            opacity: 0.5;
        }

        /* ===== 面包屑 ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px 12px;
            padding: 16px 0 0;
            font-size: 0.85rem;
            color: var(--text-light);
        }
        .breadcrumb a {
            color: var(--text-light);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--secondary);
        }
        .breadcrumb span {
            color: var(--text-soft);
        }
        .breadcrumb .sep {
            color: var(--text-light);
            font-size: 0.7rem;
        }

        @media (max-width: 480px) {
            .breadcrumb {
                font-size: 0.78rem;
                gap: 4px 8px;
            }
        }

        /* ===== 空状态 / 额外修饰 ===== */
        .text-center {
            text-align: center;
        }
        .mt-8 {
            margin-top: 8px;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mb-16 {
            margin-bottom: 16px;
        }
        .gap-8 {
            gap: 8px;
        }

        /* ===== 复古点缀 ===== */
        .stamp {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 4px 14px;
            font-size: 0.7rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            color: var(--primary-dark);
            background: rgba(139, 107, 74, 0.06);
            border: 1.5px dashed var(--primary-light);
            border-radius: 2px;
            transform: rotate(-1deg);
        }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --color-primary: #C75B39;
            --color-primary-dark: #A84A2E;
            --color-primary-light: #E8926E;
            --color-secondary: #5D3A2A;
            --color-accent: #D4A04A;
            --color-bg: #F5F0E8;
            --color-bg-alt: #EDE6DA;
            --color-bg-card: #FCF9F5;
            --color-text: #3D2A1D;
            --color-text-light: #7A6A5A;
            --color-text-lighter: #A89888;
            --color-border: #D4C5B2;
            --color-border-light: #E8DDD0;
            --color-white: #FFFFFF;
            --color-success: #6B9E6B;
            --color-warning: #D4A04A;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(61, 42, 29, 0.06);
            --shadow-md: 0 6px 24px rgba(61, 42, 29, 0.08);
            --shadow-lg: 0 12px 40px rgba(61, 42, 29, 0.12);
            --font-body: 'Georgia', 'Noto Serif SC', 'Songti SC', serif;
            --font-heading: 'Georgia', 'Noto Serif SC', 'Songti SC', serif;
            --font-mono: 'Courier New', monospace;
            --spacing-xs: 6px;
            --spacing-sm: 12px;
            --spacing-md: 24px;
            --spacing-lg: 48px;
            --spacing-xl: 80px;
            --max-width: 1200px;
            --content-width: 740px;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-body);
            color: var(--color-text);
            background-color: var(--color-bg);
            line-height: 1.75;
            font-size: 16px;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--color-primary-dark); }
        a:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 2px; border-radius: 2px; }
        button { cursor: pointer; font-family: inherit; border: none; background: none; }
        button:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 2px; border-radius: 4px; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); line-height: 1.3; color: var(--color-secondary); font-weight: 700; }
        h1 { font-size: 2.4rem; }
        h2 { font-size: 2rem; }
        h3 { font-size: 1.5rem; }
        h4 { font-size: 1.2rem; }
        p { margin-bottom: 1rem; }
        .container { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--spacing-md); }
        .content-container { max-width: var(--content-width); margin: 0 auto; padding: 0 var(--spacing-md); }
        .section { padding: var(--spacing-xl) 0; }
        .section-title { text-align: center; margin-bottom: var(--spacing-lg); position: relative; }
        .section-title h2 { display: inline-block; position: relative; }
        .section-title h2::after { content: ''; display: block; width: 60px; height: 3px; background: var(--color-primary); margin: 12px auto 0; border-radius: 2px; }
        .section-title p { color: var(--color-text-light); margin-top: 10px; font-size: 1.05rem; max-width: 560px; margin-left: auto; margin-right: auto; }
        .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

        /* ===== Header & Navigation ===== */
        .header {
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border-light);
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(12px);
            background: rgba(255,255,255,0.92);
            box-shadow: 0 1px 4px rgba(61,42,29,0.04);
        }
        .header .container { display: flex; align-items: center; justify-content: space-between; height: 68px; }
        .logo { display: flex; align-items: center; gap: 10px; font-size: 1.35rem; font-weight: 700; color: var(--color-secondary); font-family: var(--font-heading); letter-spacing: 0.5px; }
        .logo:hover { color: var(--color-primary); }
        .logo-icon { width: 36px; height: 36px; background: var(--color-primary); color: #fff; border-radius: var(--radius-sm); display: inline-flex; align-items: center; justify-content: center; font-size: 1.1rem; font-weight: 700; font-family: var(--font-heading); flex-shrink: 0; }
        .nav { display: flex; align-items: center; gap: 6px; }
        .nav a { padding: 8px 20px; border-radius: var(--radius-sm); font-size: 0.95rem; font-weight: 500; color: var(--color-text-light); transition: all var(--transition); position: relative; letter-spacing: 0.3px; }
        .nav a:hover { color: var(--color-primary); background: rgba(199,91,57,0.06); }
        .nav a.active { color: var(--color-white); background: var(--color-primary); box-shadow: 0 2px 12px rgba(199,91,57,0.25); }
        .nav a.active:hover { background: var(--color-primary-dark); color: #fff; }
        .nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; border-radius: var(--radius-sm); }
        .nav-toggle span { display: block; width: 24px; height: 2px; background: var(--color-text); border-radius: 2px; transition: all var(--transition); }
        .nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
        .nav-toggle.open span:nth-child(2) { opacity: 0; }
        .nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

        /* ===== Article Hero ===== */
        .article-hero {
            position: relative;
            min-height: 360px;
            display: flex;
            align-items: center;
            background: var(--color-secondary);
            overflow: hidden;
        }
        .article-hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
            mix-blend-mode: overlay;
        }
        .article-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(61,42,29,0.85) 0%, rgba(61,42,29,0.5) 100%);
        }
        .article-hero .container {
            position: relative;
            z-index: 2;
            width: 100%;
            padding-top: var(--spacing-lg);
            padding-bottom: var(--spacing-lg);
        }
        .article-hero .content-container { max-width: var(--content-width); }
        .article-hero .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.65);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .article-hero .breadcrumb a { color: rgba(255,255,255,0.75); }
        .article-hero .breadcrumb a:hover { color: #fff; }
        .article-hero .breadcrumb .sep { color: rgba(255,255,255,0.4); }
        .article-hero .category-badge {
            display: inline-block;
            background: var(--color-accent);
            color: var(--color-secondary);
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }
        .article-hero h1 {
            color: #fff;
            font-size: 2.6rem;
            line-height: 1.25;
            margin-bottom: 16px;
            text-shadow: 0 2px 16px rgba(0,0,0,0.3);
            max-width: 680px;
        }
        .article-hero .meta {
            display: flex;
            align-items: center;
            gap: 20px;
            color: rgba(255,255,255,0.7);
            font-size: 0.9rem;
            flex-wrap: wrap;
        }
        .article-hero .meta i { margin-right: 6px; opacity: 0.7; }
        .article-hero .meta span { display: inline-flex; align-items: center; }

        /* ===== Article Content ===== */
        .article-body { padding: var(--spacing-xl) 0; background: var(--color-bg); }
        .article-body .content-container { max-width: var(--content-width); }
        .article-main {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: var(--spacing-lg) var(--spacing-lg) var(--spacing-xl);
            border: 1px solid var(--color-border-light);
            position: relative;
        }
        .article-main::before {
            content: '';
            position: absolute;
            top: 0;
            left: 40px;
            right: 40px;
            height: 4px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
            border-radius: 0 0 4px 4px;
        }
        .article-content {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--color-text);
        }
        .article-content h2, .article-content h3, .article-content h4 {
            margin-top: 2rem;
            margin-bottom: 0.8rem;
            color: var(--color-secondary);
        }
        .article-content p {
            margin-bottom: 1.2rem;
        }
        .article-content ul, .article-content ol {
            margin-bottom: 1.2rem;
            padding-left: 1.5rem;
        }
        .article-content ul li { list-style: disc; margin-bottom: 0.4rem; }
        .article-content ol li { list-style: decimal; margin-bottom: 0.4rem; }
        .article-content img {
            border-radius: var(--radius-md);
            margin: 1.5rem auto;
            box-shadow: var(--shadow-sm);
            max-width: 100%;
        }
        .article-content blockquote {
            border-left: 4px solid var(--color-primary);
            padding: 12px 20px;
            margin: 1.5rem 0;
            background: var(--color-bg);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--color-text-light);
            font-style: italic;
        }
        .article-content a { text-decoration: underline; text-underline-offset: 2px; }
        .article-content table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; }
        .article-content th, .article-content td { border: 1px solid var(--color-border); padding: 10px 14px; text-align: left; }
        .article-content th { background: var(--color-bg); font-weight: 600; }
        .article-content code { background: var(--color-bg); padding: 2px 8px; border-radius: 4px; font-size: 0.9em; font-family: var(--font-mono); }

        /* ===== Article Tags & Share ===== */
        .article-footer-bar {
            margin-top: var(--spacing-lg);
            padding-top: var(--spacing-md);
            border-top: 1px solid var(--color-border-light);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
        }
        .article-tags { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
        .article-tags .tag {
            display: inline-block;
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            color: var(--color-text-light);
            transition: all var(--transition);
        }
        .article-tags .tag:hover { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
        .article-share { display: flex; align-items: center; gap: 10px; }
        .article-share span { font-size: 0.85rem; color: var(--color-text-lighter); }
        .article-share a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            color: var(--color-text-light);
            transition: all var(--transition);
            font-size: 0.9rem;
        }
        .article-share a:hover { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

        /* ===== Article Navigation (prev/next) ===== */
        .article-nav-links {
            margin-top: var(--spacing-md);
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-sm);
        }
        .article-nav-links a {
            padding: var(--spacing-sm) var(--spacing-md);
            background: var(--color-bg);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .article-nav-links a:hover { background: var(--color-white); border-color: var(--color-primary); box-shadow: var(--shadow-sm); }
        .article-nav-links .next { text-align: right; justify-content: flex-end; }

        /* ===== Related Articles ===== */
        .related-section { background: var(--color-bg-alt); }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }
        .related-card {
            background: var(--color-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--color-border); }
        .related-card .card-img {
            height: 180px;
            background: var(--color-bg-alt);
            overflow: hidden;
        }
        .related-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
        .related-card:hover .card-img img { transform: scale(1.05); }
        .related-card .card-body { padding: var(--spacing-sm) var(--spacing-md) var(--spacing-md); }
        .related-card .card-body h4 { font-size: 1.05rem; margin-bottom: 6px; }
        .related-card .card-body h4 a { color: var(--color-secondary); }
        .related-card .card-body h4 a:hover { color: var(--color-primary); }
        .related-card .card-body .meta { font-size: 0.8rem; color: var(--color-text-lighter); display: flex; align-items: center; gap: 12px; }

        /* ===== CTA Section ===== */
        .cta-section {
            background: var(--color-secondary);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
            mix-blend-mode: overlay;
        }
        .cta-section .container { position: relative; z-index: 1; text-align: center; padding-top: var(--spacing-xl); padding-bottom: var(--spacing-xl); }
        .cta-section h2 { color: #fff; font-size: 2rem; margin-bottom: 12px; }
        .cta-section p { color: rgba(255,255,255,0.75); max-width: 560px; margin: 0 auto var(--spacing-md); font-size: 1.05rem; }
        .cta-section .btn-group { display: flex; align-items: center; justify-content: center; gap: var(--spacing-sm); flex-wrap: wrap; }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 600;
            transition: all var(--transition);
            letter-spacing: 0.5px;
            border: 2px solid transparent;
        }
        .btn-primary { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
        .btn-primary:hover { background: var(--color-primary-dark); border-color: var(--color-primary-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(199,91,57,0.3); }
        .btn-outline { background: transparent; color: #fff; border-color: rgba(255,255,255,0.5); }
        .btn-outline:hover { background: rgba(255,255,255,0.12); border-color: #fff; color: #fff; transform: translateY(-2px); }
        .btn-sm { padding: 8px 20px; font-size: 0.85rem; }

        /* ===== FAQ Section ===== */
        .faq-section { background: var(--color-bg); }
        .faq-grid { max-width: var(--content-width); margin: 0 auto; display: flex; flex-direction: column; gap: var(--spacing-sm); }
        .faq-item {
            background: var(--color-white);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover { border-color: var(--color-border); }
        .faq-question {
            padding: var(--spacing-sm) var(--spacing-md);
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--color-secondary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            transition: background var(--transition);
            user-select: none;
        }
        .faq-question:hover { background: var(--color-bg); }
        .faq-question i { color: var(--color-primary); transition: transform var(--transition); font-size: 0.9rem; }
        .faq-item.open .faq-question i { transform: rotate(180deg); }
        .faq-answer {
            padding: 0 var(--spacing-md) var(--spacing-sm);
            color: var(--color-text-light);
            font-size: 0.95rem;
            display: none;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer { display: block; }

        /* ===== Not Found State ===== */
        .not-found-box {
            text-align: center;
            padding: var(--spacing-xl) var(--spacing-md);
        }
        .not-found-box .icon { font-size: 4rem; color: var(--color-text-lighter); margin-bottom: var(--spacing-md); }
        .not-found-box h2 { font-size: 1.8rem; margin-bottom: 12px; }
        .not-found-box p { color: var(--color-text-light); margin-bottom: var(--spacing-md); }
        .not-found-box .btn { display: inline-flex; }

        /* ===== Footer ===== */
        .footer {
            background: var(--color-secondary);
            color: rgba(255,255,255,0.7);
            padding: var(--spacing-lg) 0 var(--spacing-md);
        }
        .footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: var(--spacing-lg); margin-bottom: var(--spacing-lg); }
        .footer-about p { font-size: 0.9rem; line-height: 1.7; color: rgba(255,255,255,0.6); max-width: 320px; }
        .footer-col h4 { color: #fff; font-size: 1rem; margin-bottom: 14px; font-weight: 600; }
        .footer-col a { display: block; color: rgba(255,255,255,0.55); font-size: 0.9rem; padding: 4px 0; transition: all var(--transition); }
        .footer-col a:hover { color: #fff; padding-left: 4px; }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: var(--spacing-md);
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            font-size: 0.85rem;
            color: rgba(255,255,255,0.45);
        }
        .footer-bottom a { color: rgba(255,255,255,0.6); }
        .footer-bottom a:hover { color: #fff; }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .related-grid { grid-template-columns: 1fr 1fr; }
            .article-hero h1 { font-size: 2.2rem; }
        }

        @media (max-width: 768px) {
            .nav { display: none; position: absolute; top: 68px; left: 0; right: 0; background: var(--color-white); border-bottom: 2px solid var(--color-border); flex-direction: column; padding: var(--spacing-sm); box-shadow: var(--shadow-md); gap: 4px; }
            .nav.open { display: flex; }
            .nav a { padding: 12px 16px; width: 100%; border-radius: var(--radius-sm); }
            .nav a.active { background: var(--color-primary); color: #fff; }
            .nav-toggle { display: flex; }
            .section { padding: var(--spacing-lg) 0; }
            .article-hero { min-height: 280px; }
            .article-hero h1 { font-size: 1.8rem; }
            .article-main { padding: var(--spacing-md); }
            .article-content { font-size: 1rem; }
            .related-grid { grid-template-columns: 1fr; }
            .article-nav-links { grid-template-columns: 1fr; }
            .article-nav-links .next { text-align: left; justify-content: flex-start; }
            .footer-grid { grid-template-columns: 1fr; gap: var(--spacing-md); }
            .footer-bottom { flex-direction: column; text-align: center; }
            .cta-section h2 { font-size: 1.6rem; }
            .article-hero .meta { gap: 12px; font-size: 0.8rem; }
            .article-footer-bar { flex-direction: column; align-items: flex-start; }
        }

        @media (max-width: 520px) {
            .container { padding: 0 var(--spacing-sm); }
            .content-container { padding: 0 var(--spacing-sm); }
            .article-hero h1 { font-size: 1.5rem; }
            .article-main { padding: var(--spacing-sm); border-radius: var(--radius-md); }
            .section-title h2 { font-size: 1.5rem; }
            .btn { padding: 10px 24px; font-size: 0.9rem; }
            .footer-grid { gap: var(--spacing-sm); }
            .article-hero .breadcrumb { font-size: 0.75rem; }
        }

        /* ===== Print ===== */
        @media print {
            .header, .footer, .cta-section, .related-section, .article-nav-links, .article-share { display: none !important; }
            .article-main { box-shadow: none; border: none; padding: 0; }
            .article-hero { min-height: auto; background: var(--color-bg); padding: 20px 0; }
            .article-hero h1 { color: var(--color-text); text-shadow: none; }
            .article-hero .meta { color: var(--color-text-light); }
            .article-hero-bg, .article-hero-overlay { display: none; }
            body { background: #fff; font-size: 12pt; }
        }