/* roulang page: index */
/* ===== Design Variables ===== */
:root {
  --clr-primary: #0b1628;
  --clr-primary-light: #1a2d4a;
  --clr-accent: #d4a843;
  --clr-accent-hover: #c09a38;
  --clr-accent-light: #f0e0b0;
  --clr-bg: #f7f5f0;
  --clr-bg-alt: #eeebe6;
  --clr-bg-dark: #070e1a;
  --clr-white: #ffffff;
  --clr-text: #1e1e2a;
  --clr-text-light: #6b7280;
  --clr-text-inverse: #f0efe8;
  --clr-border: #e5e3dd;
  --clr-border-light: #f0eee8;
  --clr-shadow: rgba(11, 22, 40, 0.08);
  --clr-shadow-hover: rgba(11, 22, 40, 0.16);
  --clr-success: #2e7d5e;
  --clr-info: #3b7a9e;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 2px 8px var(--clr-shadow);
  --shadow-md: 0 6px 24px var(--clr-shadow);
  --shadow-lg: 0 12px 40px var(--clr-shadow);
  --shadow-hover: 0 16px 48px var(--clr-shadow-hover);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  --max-width: 1200px;
  --header-height: 72px;
}

/* ===== Reset & Base ===== */
*, *::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(--clr-text);
  background: var(--clr-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
a:hover { color: var(--clr-accent); }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea { font-family: inherit; font-size: 1rem; outline: none; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--clr-text); }
h1 { font-size: 2.8rem; }
h2 { font-size: 2.2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.2rem; }

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

/* ===== Header / Nav ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: var(--clr-primary);
  z-index: 1000;
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
  transition: var(--transition);
}
.site-header.scrolled { background: rgba(11, 22, 40, 0.97); backdrop-filter: blur(10px); }
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--clr-white);
  letter-spacing: 1px;
}
.nav-logo i { color: var(--clr-accent); font-size: 1.6rem; }
.nav-logo span { background: linear-gradient(135deg, var(--clr-accent), #e8c56a); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.nav-logo:hover { color: var(--clr-white); }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
  display: block;
  padding: 8px 18px;
  font-size: 0.95rem;
  font-weight: 500;
  color: rgba(255,255,255,0.8);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  position: relative;
}
.nav-links a:hover { color: var(--clr-white); background: rgba(255,255,255,0.08); }
.nav-links a.active { color: var(--clr-white); background: rgba(212, 168, 67, 0.2); }
.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--clr-accent);
  border-radius: 2px;
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  background: var(--clr-accent);
  color: var(--clr-primary);
  font-weight: 700;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  margin-left: 12px;
}
.nav-cta:hover { background: var(--clr-accent-hover); color: var(--clr-primary); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(212, 168, 67, 0.35); }
.nav-cta i { font-size: 0.85rem; }
.mobile-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; cursor: pointer; }
.mobile-toggle span { display: block; width: 26px; height: 2px; background: var(--clr-white); border-radius: 2px; transition: var(--transition); }

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--clr-bg-dark);
  overflow: hidden;
  padding-top: var(--header-height);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  opacity: 0.5;
  transform: scale(1.05);
  transition: transform 8s ease;
}
.hero:hover .hero-bg { transform: scale(1); }
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(11,22,40,0.85) 0%, rgba(11,22,40,0.5) 50%, rgba(11,22,40,0.3) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 820px;
  padding: 40px 24px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(212, 168, 67, 0.15);
  border: 1px solid rgba(212, 168, 67, 0.3);
  border-radius: 50px;
  color: var(--clr-accent);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 24px;
  backdrop-filter: blur(4px);
}
.hero-badge i { font-size: 0.75rem; }
.hero-title {
  font-size: 3.6rem;
  font-weight: 800;
  color: var(--clr-white);
  line-height: 1.15;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}
.hero-title .highlight { background: linear-gradient(135deg, var(--clr-accent), #f0d080); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-subtitle {
  font-size: 1.2rem;
  color: rgba(255,255,255,0.75);
  max-width: 600px;
  margin: 0 auto 32px;
  line-height: 1.7;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }
.hero-actions .btn-primary {
  padding: 16px 40px;
  background: var(--clr-accent);
  color: var(--clr-primary);
  font-size: 1.05rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.hero-actions .btn-primary:hover { background: var(--clr-accent-hover); transform: translateY(-2px); box-shadow: 0 8px 30px rgba(212,168,67,0.35); }
.hero-actions .btn-secondary {
  padding: 16px 36px;
  background: transparent;
  color: var(--clr-white);
  font-size: 1.05rem;
  font-weight: 600;
  border: 2px solid rgba(255,255,255,0.25);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.hero-actions .btn-secondary:hover { border-color: var(--clr-accent); color: var(--clr-accent); background: rgba(212,168,67,0.08); transform: translateY(-2px); }
.hero-stats {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.hero-stat { text-align: center; }
.hero-stat .num { font-size: 2rem; font-weight: 800; color: var(--clr-accent); display: block; }
.hero-stat .label { font-size: 0.85rem; color: rgba(255,255,255,0.55); margin-top: 4px; }

/* ===== Sections ===== */
.section { padding: 80px 0; }
.section-bg-alt { background: var(--clr-bg-alt); }
.section-bg-dark { background: var(--clr-bg-dark); }
.section-header { text-align: center; margin-bottom: 48px; }
.section-header .section-tag {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(212, 168, 67, 0.12);
  color: var(--clr-accent);
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 50px;
  letter-spacing: 1px;
  margin-bottom: 12px;
}
.section-header h2 { font-size: 2.2rem; font-weight: 800; margin-bottom: 12px; }
.section-header p { color: var(--clr-text-light); max-width: 560px; margin: 0 auto; font-size: 1.05rem; }
.section-header.light h2 { color: var(--clr-white); }
.section-header.light p { color: rgba(255,255,255,0.6); }

/* ===== Feature Cards ===== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.feature-card {
  background: var(--clr-white);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--clr-border-light);
  text-align: center;
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(212,168,67,0.2); }
.feature-card .icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  border-radius: 16px;
  background: rgba(212, 168, 67, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--clr-accent);
  transition: var(--transition);
}
.feature-card:hover .icon { background: var(--clr-accent); color: var(--clr-white); }
.feature-card h3 { font-size: 1.2rem; margin-bottom: 10px; }
.feature-card p { font-size: 0.95rem; color: var(--clr-text-light); line-height: 1.7; }

/* ===== Category Cards ===== */
.category-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.category-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--clr-white);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  cursor: pointer;
}
.category-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.category-card .card-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: var(--transition-slow);
}
.category-card:hover .card-img { transform: scale(1.05); }
.category-card .card-body {
  padding: 24px 20px 20px;
  position: relative;
}
.category-card .card-body .tag {
  position: absolute;
  top: -12px;
  left: 20px;
  padding: 4px 14px;
  background: var(--clr-accent);
  color: var(--clr-primary);
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 50px;
  letter-spacing: 0.5px;
}
.category-card h3 { font-size: 1.15rem; margin-bottom: 8px; }
.category-card p { font-size: 0.9rem; color: var(--clr-text-light); margin-bottom: 14px; }
.category-card .card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  border-top: 1px solid var(--clr-border-light);
}
.category-card .card-footer .btn-text {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--clr-accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.category-card .card-footer .btn-text i { font-size: 0.7rem; transition: var(--transition); }
.category-card .card-footer .btn-text:hover i { transform: translateX(4px); }
.category-card .card-footer .meta { font-size: 0.8rem; color: var(--clr-text-light); }

/* ===== Stats / Data ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  text-align: center;
}
.stat-item { padding: 28px 16px; }
.stat-item .num { font-size: 2.8rem; font-weight: 800; color: var(--clr-accent); line-height: 1.2; }
.stat-item .label { font-size: 0.95rem; color: rgba(255,255,255,0.65); margin-top: 6px; }
.stat-item .desc { font-size: 0.8rem; color: rgba(255,255,255,0.4); margin-top: 4px; }

/* ===== Post / Article List ===== */
.post-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.post-card {
  background: var(--clr-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--clr-border-light);
}
.post-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.post-card .post-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: var(--transition-slow);
}
.post-card:hover .post-img { transform: scale(1.05); }
.post-card .post-body { padding: 20px 20px 18px; }
.post-card .post-meta { display: flex; align-items: center; gap: 12px; font-size: 0.8rem; color: var(--clr-text-light); margin-bottom: 10px; }
.post-card .post-meta .cat { padding: 2px 10px; background: rgba(212,168,67,0.1); color: var(--clr-accent); border-radius: 50px; font-weight: 600; font-size: 0.7rem; }
.post-card .post-meta .date { display: flex; align-items: center; gap: 4px; }
.post-card h3 { font-size: 1.05rem; margin-bottom: 8px; line-height: 1.4; }
.post-card h3 a { color: var(--clr-text); }
.post-card h3 a:hover { color: var(--clr-accent); }
.post-card .post-excerpt { font-size: 0.88rem; color: var(--clr-text-light); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.post-card .post-footer { display: flex; align-items: center; justify-content: space-between; padding: 12px 20px 16px; border-top: 1px solid var(--clr-border-light); }
.post-card .post-footer .read-more { font-size: 0.82rem; font-weight: 600; color: var(--clr-accent); display: inline-flex; align-items: center; gap: 6px; }
.post-card .post-footer .read-more i { font-size: 0.65rem; transition: var(--transition); }
.post-card .post-footer .read-more:hover i { transform: translateX(4px); }

/* ===== Flow / Steps ===== */
.flow-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}
.flow-step {
  text-align: center;
  padding: 32px 20px;
  background: var(--clr-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--clr-border-light);
  position: relative;
  transition: var(--transition);
}
.flow-step:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.flow-step .step-num {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--clr-primary);
  color: var(--clr-accent);
  font-size: 1.2rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  counter-increment: step;
}
.flow-step .step-num::before { content: counter(step); }
.flow-step h4 { font-size: 1.05rem; margin-bottom: 8px; }
.flow-step p { font-size: 0.88rem; color: var(--clr-text-light); }
.flow-step .step-arrow {
  position: absolute;
  right: -18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--clr-accent);
  font-size: 1.2rem;
  opacity: 0.5;
}
.flow-step:last-child .step-arrow { display: none; }

/* ===== FAQ ===== */
.faq-list { max-width: 780px; margin: 0 auto; }
.faq-item {
  background: var(--clr-white);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--clr-border-light);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover { border-color: rgba(212,168,67,0.2); }
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}
.faq-question i { color: var(--clr-accent); font-size: 0.85rem; transition: var(--transition); }
.faq-item.active .faq-question i { transform: rotate(180deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}
.faq-item.active .faq-answer { max-height: 300px; padding: 0 24px 20px; }
.faq-answer p { font-size: 0.95rem; color: var(--clr-text-light); line-height: 1.7; }

/* ===== CTA ===== */
.cta-section {
  background: var(--clr-primary);
  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;
}
.cta-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 64px 24px;
}
.cta-inner h2 { font-size: 2.2rem; font-weight: 800; color: var(--clr-white); margin-bottom: 12px; }
.cta-inner p { color: rgba(255,255,255,0.6); max-width: 520px; margin: 0 auto 28px; font-size: 1.05rem; }
.cta-inner .btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 44px;
  background: var(--clr-accent);
  color: var(--clr-primary);
  font-size: 1.05rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.cta-inner .btn-cta:hover { background: var(--clr-accent-hover); transform: translateY(-2px); box-shadow: 0 8px 30px rgba(212,168,67,0.3); }
.cta-inner .btn-cta i { font-size: 0.85rem; }

/* ===== Footer ===== */
.site-footer {
  background: var(--clr-bg-dark);
  color: rgba(255,255,255,0.7);
  padding: 56px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.footer-brand .nav-logo { margin-bottom: 14px; font-size: 1.3rem; }
.footer-brand p { font-size: 0.9rem; color: rgba(255,255,255,0.45); max-width: 300px; line-height: 1.7; }
.footer-col h4 { font-size: 0.95rem; font-weight: 700; color: var(--clr-white); margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { font-size: 0.88rem; color: rgba(255,255,255,0.5); transition: var(--transition); display: inline-flex; align-items: center; gap: 6px; }
.footer-col ul li a:hover { color: var(--clr-accent); padding-left: 4px; }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.35);
}
.footer-bottom a { color: rgba(255,255,255,0.35); }
.footer-bottom a:hover { color: var(--clr-accent); }
.footer-bottom .social-links { display: flex; gap: 14px; }
.footer-bottom .social-links a { font-size: 1.1rem; color: rgba(255,255,255,0.3); }
.footer-bottom .social-links a:hover { color: var(--clr-accent); }

/* ===== Empty State ===== */
.empty-state { text-align: center; padding: 40px 20px; color: var(--clr-text-light); }
.empty-state i { font-size: 2.4rem; color: var(--clr-border); margin-bottom: 12px; display: block; }
.empty-state p { font-size: 1rem; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero-title { font-size: 2.8rem; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .post-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .flow-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .flow-step .step-arrow { display: none; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
}

@media (max-width: 768px) {
  :root { --header-height: 64px; }
  .mobile-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    flex-direction: column;
    background: var(--clr-primary);
    padding: 16px 24px 24px;
    gap: 4px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
    transform: translateY(-110%);
    opacity: 0;
    transition: var(--transition);
    pointer-events: none;
  }
  .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-links a { padding: 12px 16px; font-size: 1rem; width: 100%; }
  .nav-links a.active::after { display: none; }
  .nav-cta { margin-left: 0; margin-top: 8px; justify-content: center; width: 100%; }
  .hero { min-height: 80vh; }
  .hero-title { font-size: 2.2rem; }
  .hero-subtitle { font-size: 1rem; }
  .hero-stats { flex-wrap: wrap; gap: 24px; }
  .hero-stat .num { font-size: 1.5rem; }
  .section { padding: 56px 0; }
  .section-header h2 { font-size: 1.7rem; }
  .feature-grid { grid-template-columns: 1fr; gap: 20px; }
  .category-grid { grid-template-columns: 1fr; gap: 20px; }
  .post-grid { grid-template-columns: 1fr; gap: 20px; }
  .flow-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .stat-item .num { font-size: 2rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .cta-inner h2 { font-size: 1.7rem; }
  .faq-question { padding: 14px 18px; font-size: 0.95rem; }
}

@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .hero-title { font-size: 1.8rem; }
  .hero-actions { flex-direction: column; align-items: center; }
  .hero-actions .btn-primary,
  .hero-actions .btn-secondary { width: 100%; justify-content: center; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .flow-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-item { padding: 16px 8px; }
  .stat-item .num { font-size: 1.6rem; }
  .category-card .card-img { height: 160px; }
  .post-card .post-img { height: 160px; }
}

/* roulang page: article */
:root {
            --primary: #c8a45c;
            --primary-dark: #a8853a;
            --primary-light: #e8d4a0;
            --secondary: #1a1a2e;
            --secondary-light: #2a2a4e;
            --accent: #e8b84a;
            --bg: #f8f6f2;
            --bg-card: #ffffff;
            --bg-dark: #12121e;
            --text: #1e1e2a;
            --text-light: #5a5a6e;
            --text-white: #f0ede8;
            --border: #e0dbd0;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.10);
            --shadow-glow: 0 0 40px rgba(200, 164, 92, 0.15);
            --transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --nav-height: 76px;
        }

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

        html { scroll-behavior: smooth; }

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

        a { color: var(--primary-dark); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary); }
        img { max-width: 100%; height: auto; display: block; }
        ul, ol { list-style: none; }
        button, input, textarea { font-family: inherit; font-size: 1rem; outline: none; border: none; }
        button { cursor: pointer; background: none; }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px) saturate(1.2);
            -webkit-backdrop-filter: blur(18px) saturate(1.2);
            border-bottom: 1px solid rgba(200, 164, 92, 0.15);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }

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

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--secondary);
            letter-spacing: -0.3px;
        }

        .nav-logo i {
            color: var(--primary);
            font-size: 1.6rem;
        }

        .nav-logo span {
            background: linear-gradient(135deg, var(--secondary) 40%, var(--primary-dark) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-links a {
            padding: 8px 18px;
            border-radius: 40px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-light);
            transition: var(--transition);
            position: relative;
        }

        .nav-links a:hover {
            color: var(--secondary);
            background: rgba(200, 164, 92, 0.08);
        }

        .nav-links a.active {
            color: var(--secondary);
            background: rgba(200, 164, 92, 0.15);
            font-weight: 600;
        }

        .nav-links a.nav-cta {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            padding: 10px 26px;
            border-radius: 40px;
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(200, 164, 92, 0.3);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-links a.nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(200, 164, 92, 0.4);
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
        }

        .nav-links a.nav-cta i {
            font-size: 0.85rem;
            transition: var(--transition);
        }

        .nav-links a.nav-cta:hover i {
            transform: translateX(4px);
        }

        .nav-toggle {
            display: none;
            font-size: 1.6rem;
            color: var(--secondary);
            padding: 6px 10px;
            border-radius: 8px;
            background: rgba(200, 164, 92, 0.08);
        }

        /* ===== 文章 Banner ===== */
        .article-banner {
            position: relative;
            padding: 80px 0 60px;
            background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 100%);
            overflow: hidden;
            min-height: 280px;
            display: flex;
            align-items: center;
        }

        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.12;
            mix-blend-mode: overlay;
        }

        .article-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(200, 164, 92, 0.12) 0%, transparent 70%);
        }

        .article-banner .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .article-banner .breadcrumb {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 10px;
            font-size: 0.9rem;
            color: rgba(240, 237, 232, 0.6);
            margin-bottom: 18px;
        }

        .article-banner .breadcrumb a {
            color: rgba(240, 237, 232, 0.7);
        }

        .article-banner .breadcrumb a:hover {
            color: var(--primary-light);
        }

        .article-banner .breadcrumb i {
            font-size: 0.7rem;
            color: rgba(240, 237, 232, 0.3);
        }

        .article-banner h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.25;
            max-width: 800px;
            margin: 0 auto 16px;
            letter-spacing: -0.5px;
        }

        .article-banner .meta {
            display: flex;
            justify-content: center;
            gap: 24px;
            font-size: 0.95rem;
            color: rgba(240, 237, 232, 0.7);
        }

        .article-banner .meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .article-banner .meta i {
            color: var(--primary-light);
            font-size: 0.85rem;
        }

        .article-banner .category-badge {
            display: inline-block;
            padding: 4px 18px;
            border-radius: 40px;
            background: rgba(200, 164, 92, 0.2);
            color: var(--primary-light);
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 14px;
            border: 1px solid rgba(200, 164, 92, 0.2);
        }

        /* ===== 文章正文 ===== */
        .article-main {
            padding: 60px 0 80px;
        }

        .article-content-wrap {
            max-width: 820px;
            margin: 0 auto;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 50px 56px;
            border: 1px solid var(--border);
        }

        .article-body {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--text);
        }

        .article-body h2 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-top: 40px;
            margin-bottom: 16px;
            color: var(--secondary);
            padding-bottom: 8px;
            border-bottom: 2px solid rgba(200, 164, 92, 0.2);
        }

        .article-body h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin-top: 30px;
            margin-bottom: 12px;
            color: var(--secondary);
        }

        .article-body p {
            margin-bottom: 18px;
        }

        .article-body ul, .article-body ol {
            margin: 16px 0 20px;
            padding-left: 24px;
        }

        .article-body ul li {
            list-style: disc;
            margin-bottom: 6px;
        }

        .article-body ol li {
            list-style: decimal;
            margin-bottom: 6px;
        }

        .article-body blockquote {
            border-left: 4px solid var(--primary);
            background: rgba(200, 164, 92, 0.06);
            padding: 16px 24px;
            margin: 24px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-light);
            font-style: italic;
        }

        .article-body img {
            border-radius: var(--radius);
            margin: 28px auto;
            box-shadow: var(--shadow);
            max-width: 100%;
            height: auto;
        }

        .article-body a {
            color: var(--primary-dark);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-body a:hover {
            color: var(--primary);
        }

        .article-footer-meta {
            margin-top: 44px;
            padding-top: 28px;
            border-top: 1px solid var(--border);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .article-tags .tag {
            padding: 4px 16px;
            border-radius: 40px;
            background: rgba(200, 164, 92, 0.1);
            color: var(--primary-dark);
            font-size: 0.85rem;
            font-weight: 500;
            border: 1px solid rgba(200, 164, 92, 0.15);
            transition: var(--transition);
        }

        .article-tags .tag:hover {
            background: rgba(200, 164, 92, 0.2);
            transform: translateY(-1px);
        }

        .article-share {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.9rem;
            color: var(--text-light);
        }

        .article-share a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--bg);
            color: var(--text-light);
            border: 1px solid var(--border);
            transition: var(--transition);
            font-size: 1rem;
        }

        .article-share a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        .not-found {
            text-align: center;
            padding: 60px 20px;
        }

        .not-found i {
            font-size: 4rem;
            color: var(--primary-light);
            margin-bottom: 24px;
        }

        .not-found h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 12px;
        }

        .not-found p {
            color: var(--text-light);
            margin-bottom: 24px;
            font-size: 1.1rem;
        }

        .not-found .btn-home {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: 40px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            box-shadow: 0 4px 16px rgba(200, 164, 92, 0.3);
            transition: var(--transition);
        }

        .not-found .btn-home:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(200, 164, 92, 0.4);
            color: #fff;
        }

        /* ===== 相关文章 ===== */
        .related-posts {
            background: var(--bg);
            padding: 60px 0 80px;
            border-top: 1px solid var(--border);
        }

        .related-posts .section-title {
            text-align: center;
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 8px;
        }

        .related-posts .section-sub {
            text-align: center;
            color: var(--text-light);
            font-size: 1rem;
            margin-bottom: 40px;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

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

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

        .related-card .card-img {
            height: 180px;
            background: var(--secondary-light);
            overflow: hidden;
        }

        .related-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .related-card:hover .card-img img {
            transform: scale(1.05);
        }

        .related-card .card-body {
            padding: 20px 24px 24px;
        }

        .related-card .card-body .cat {
            font-size: 0.8rem;
            color: var(--primary-dark);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 6px;
        }

        .related-card .card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--secondary);
            line-height: 1.4;
            margin-bottom: 8px;
        }

        .related-card .card-body h3 a {
            color: inherit;
        }

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

        .related-card .card-body p {
            font-size: 0.92rem;
            color: var(--text-light);
            line-height: 1.6;
            margin-bottom: 12px;
        }

        .related-card .card-body .date {
            font-size: 0.82rem;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(240, 237, 232, 0.8);
            padding: 64px 0 0;
            border-top: 3px solid var(--primary);
        }

        .site-footer .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(240, 237, 232, 0.08);
        }

        .footer-brand .nav-logo {
            color: var(--text-white);
            margin-bottom: 16px;
        }

        .footer-brand .nav-logo span {
            background: linear-gradient(135deg, #f0ede8 40%, var(--primary-light) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .footer-brand p {
            font-size: 0.95rem;
            line-height: 1.7;
            color: rgba(240, 237, 232, 0.6);
            max-width: 360px;
        }

        .footer-col h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 32px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .footer-col ul li {
            margin-bottom: 12px;
        }

        .footer-col ul li a {
            color: rgba(240, 237, 232, 0.6);
            font-size: 0.92rem;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }

        .footer-col ul li a:hover {
            color: var(--primary-light);
            transform: translateX(4px);
        }

        .footer-col ul li a i {
            font-size: 0.75rem;
            color: var(--primary);
        }

        .footer-col ul li a .fab {
            font-size: 1rem;
            width: 20px;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 24px 0;
            font-size: 0.88rem;
            color: rgba(240, 237, 232, 0.4);
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-bottom .social-links {
            display: flex;
            gap: 14px;
        }

        .footer-bottom .social-links a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(240, 237, 232, 0.06);
            color: rgba(240, 237, 232, 0.5);
            font-size: 1.1rem;
            transition: var(--transition);
        }

        .footer-bottom .social-links a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }

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

            .article-content-wrap {
                padding: 40px 36px;
            }

            .article-banner h1 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-height: 64px;
            }

            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(18px);
                flex-direction: column;
                padding: 16px 24px 24px;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
                gap: 4px;
            }

            .nav-links.open {
                display: flex;
            }

            .nav-links a {
                padding: 12px 18px;
                width: 100%;
                border-radius: 10px;
            }

            .nav-links a.nav-cta {
                justify-content: center;
                margin-top: 8px;
            }

            .nav-toggle {
                display: block;
            }

            .article-banner {
                padding: 60px 0 44px;
                min-height: 220px;
            }

            .article-banner h1 {
                font-size: 1.7rem;
            }

            .article-banner .meta {
                flex-wrap: wrap;
                gap: 12px;
                font-size: 0.85rem;
            }

            .article-content-wrap {
                padding: 28px 20px;
                border-radius: var(--radius);
            }

            .article-body {
                font-size: 1rem;
                line-height: 1.8;
            }

            .article-body h2 {
                font-size: 1.35rem;
            }

            .article-body h3 {
                font-size: 1.1rem;
            }

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

            .related-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .related-posts .section-title {
                font-size: 1.5rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .site-header .container {
                padding: 0 16px;
            }
        }

        @media (max-width: 520px) {
            .article-banner h1 {
                font-size: 1.4rem;
            }

            .article-content-wrap {
                padding: 20px 14px;
            }

            .article-body {
                font-size: 0.95rem;
            }

            .article-body h2 {
                font-size: 1.2rem;
            }

            .nav-logo {
                font-size: 1.2rem;
            }

            .nav-logo i {
                font-size: 1.3rem;
            }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #d4a843;
            --primary-dark: #b8922e;
            --primary-light: #e8c86a;
            --primary-gradient: linear-gradient(135deg, #d4a843 0%, #b8922e 50%, #a67c22 100%);
            --secondary: #1a1a2e;
            --secondary-light: #2d2d44;
            --accent: #e85d3a;
            --accent-light: #f07a5c;
            --bg-dark: #0d0d1a;
            --bg-card: #16162b;
            --bg-section: #111125;
            --bg-light: #f8f6f2;
            --text-white: #ffffff;
            --text-light: #e8e4dc;
            --text-muted: #9a94a8;
            --text-dark: #1a1a2e;
            --border-color: rgba(212, 168, 67, 0.25);
            --border-light: rgba(255, 255, 255, 0.08);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 30px rgba(212, 168, 67, 0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --container-max: 1200px;
            --nav-height: 72px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-light);
            background: var(--bg-dark);
            min-height: 100vh;
        }

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

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

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

        ul,
        ol {
            list-style: none;
        }

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

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(13, 13, 26, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-light);
            height: var(--nav-height);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(13, 13, 26, 0.96);
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            gap: 20px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: var(--text-white);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .nav-logo i {
            color: var(--primary);
            font-size: 26px;
        }
        .nav-logo span {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-logo:hover {
            color: var(--text-white);
        }
        .nav-logo:hover span {
            -webkit-text-fill-color: var(--primary-light);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-links a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            color: var(--text-muted);
            font-size: 15px;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-links a.active {
            color: var(--text-white);
            background: rgba(212, 168, 67, 0.15);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary-gradient);
            border-radius: 4px;
        }
        .nav-links a.nav-cta {
            background: var(--primary-gradient);
            color: var(--text-white);
            font-weight: 600;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            box-shadow: 0 4px 16px rgba(212, 168, 67, 0.3);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-links a.nav-cta i {
            font-size: 13px;
        }
        .nav-links a.nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(212, 168, 67, 0.45);
            background: linear-gradient(135deg, #e0b84f 0%, #c49e36 100%);
        }

        /* 汉堡按钮 */
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 6px;
            background: transparent;
            border: none;
        }
        .menu-toggle span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--text-white);
            border-radius: 4px;
            transition: var(--transition);
        }
        .menu-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .menu-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .menu-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* ===== Hero 分类横幅 ===== */
        .category-hero {
            padding: 140px 0 80px;
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
            min-height: 420px;
            display: flex;
            align-items: center;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.20;
            filter: saturate(0.7);
        }
        .category-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 13, 26, 0.92) 0%, rgba(13, 13, 26, 0.60) 100%);
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .category-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(212, 168, 67, 0.15);
            border: 1px solid rgba(212, 168, 67, 0.3);
            padding: 6px 20px;
            border-radius: 50px;
            font-size: 13px;
            color: var(--primary-light);
            margin-bottom: 20px;
            letter-spacing: 1px;
        }
        .category-hero .hero-badge i {
            font-size: 14px;
        }
        .category-hero h1 {
            font-size: 48px;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.2;
            margin-bottom: 18px;
            letter-spacing: -0.5px;
        }
        .category-hero h1 span {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .category-hero p {
            font-size: 18px;
            color: var(--text-muted);
            max-width: 680px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .category-hero .hero-stats {
            display: flex;
            justify-content: center;
            gap: 48px;
            flex-wrap: wrap;
            margin-top: 12px;
        }
        .category-hero .hero-stats .stat-item {
            text-align: center;
        }
        .category-hero .hero-stats .stat-num {
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            display: block;
            line-height: 1.2;
        }
        .category-hero .hero-stats .stat-label {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--bg-section);
        }
        .section-dark {
            background: var(--bg-dark);
        }

        .section-header {
            text-align: center;
            margin-bottom: 52px;
        }
        .section-header .subtitle {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 2px;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .section-header .subtitle i {
            font-size: 14px;
        }
        .section-header h2 {
            font-size: 34px;
            font-weight: 700;
            color: var(--text-white);
            line-height: 1.25;
            margin-bottom: 12px;
        }
        .section-header h2 span {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .section-header p {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 580px;
            margin: 0 auto;
        }

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

        .play-card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 32px 26px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .play-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--primary-gradient);
            opacity: 0;
            transition: var(--transition);
        }
        .play-card:hover {
            transform: translateY(-6px);
            border-color: rgba(212, 168, 67, 0.3);
            box-shadow: var(--shadow-glow);
        }
        .play-card:hover::before {
            opacity: 1;
        }
        .play-card .card-icon {
            width: 56px;
            height: 56px;
            background: rgba(212, 168, 67, 0.12);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            color: var(--primary);
            margin-bottom: 18px;
            transition: var(--transition);
        }
        .play-card:hover .card-icon {
            background: rgba(212, 168, 67, 0.22);
            transform: scale(1.05);
        }
        .play-card h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 10px;
        }
        .play-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .play-card .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 8px;
        }
        .play-card .card-tags .tag {
            font-size: 12px;
            padding: 4px 12px;
            border-radius: 50px;
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-muted);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: var(--transition);
        }
        .play-card .card-tags .tag:hover {
            background: rgba(212, 168, 67, 0.15);
            color: var(--primary-light);
            border-color: rgba(212, 168, 67, 0.2);
        }
        .play-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            margin-top: 6px;
            transition: var(--transition);
        }
        .play-card .card-link i {
            font-size: 12px;
            transition: var(--transition);
        }
        .play-card .card-link:hover {
            color: var(--primary-light);
            gap: 10px;
        }

        /* ===== 热门攻略列表 ===== */
        .post-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .post-item {
            display: flex;
            gap: 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 20px;
            transition: var(--transition);
            align-items: flex-start;
        }
        .post-item:hover {
            border-color: rgba(212, 168, 67, 0.25);
            transform: translateY(-3px);
            box-shadow: var(--shadow-sm);
        }
        .post-item .post-thumb {
            width: 120px;
            height: 90px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--secondary-light);
        }
        .post-item .post-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .post-item:hover .post-thumb img {
            transform: scale(1.05);
        }
        .post-item .post-info {
            flex: 1;
            min-width: 0;
        }
        .post-item .post-info .post-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 6px;
        }
        .post-item .post-info .post-meta .cat-label {
            background: rgba(212, 168, 67, 0.12);
            color: var(--primary);
            padding: 2px 12px;
            border-radius: 50px;
            font-weight: 500;
        }
        .post-item .post-info h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 6px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .post-item .post-info p {
            font-size: 13px;
            color: var(--text-muted);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            line-height: 1.6;
        }
        .post-item .post-info .read-more {
            font-size: 13px;
            color: var(--primary);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-top: 8px;
        }
        .post-item .post-info .read-more i {
            font-size: 11px;
            transition: var(--transition);
        }
        .post-item .post-info .read-more:hover i {
            transform: translateX(4px);
        }

        /* ===== 教程步骤 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }
        .step-card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 32px 24px 28px;
            text-align: center;
            transition: var(--transition);
            position: relative;
        }
        .step-card::before {
            counter-increment: step;
            content: "0" counter(step);
            position: absolute;
            top: 16px;
            right: 20px;
            font-size: 48px;
            font-weight: 800;
            color: rgba(212, 168, 67, 0.06);
            line-height: 1;
            font-family: 'Inter', sans-serif;
        }
        .step-card:hover {
            transform: translateY(-4px);
            border-color: rgba(212, 168, 67, 0.2);
            box-shadow: var(--shadow-glow);
        }
        .step-card .step-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 18px;
            background: rgba(212, 168, 67, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            color: var(--primary);
            transition: var(--transition);
        }
        .step-card:hover .step-icon {
            background: rgba(212, 168, 67, 0.2);
            transform: scale(1.06);
        }
        .step-card h4 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 8px;
        }
        .step-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            max-width: 1000px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            padding: 20px 24px;
            transition: var(--transition);
            cursor: pointer;
        }
        .faq-item:hover {
            border-color: rgba(212, 168, 67, 0.2);
        }
        .faq-item .faq-q {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
        }
        .faq-item .faq-q h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-white);
            line-height: 1.4;
        }
        .faq-item .faq-q i {
            color: var(--primary);
            font-size: 14px;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item .faq-a {
            margin-top: 12px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            display: none;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 14px;
        }
        .faq-item.open .faq-a {
            display: block;
        }
        .faq-item.open .faq-q i {
            transform: rotate(180deg);
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--bg-card);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
            padding: 70px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.06;
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 34px;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 14px;
        }
        .cta-section h2 span {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .cta-section p {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 520px;
            margin: 0 auto 28px;
        }
        .cta-section .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--primary-gradient);
            color: var(--text-white);
            font-weight: 600;
            padding: 16px 40px;
            border-radius: var(--radius-sm);
            font-size: 17px;
            box-shadow: 0 6px 28px rgba(212, 168, 67, 0.3);
            transition: var(--transition);
        }
        .cta-section .cta-btn i {
            font-size: 15px;
        }
        .cta-section .cta-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(212, 168, 67, 0.45);
            color: var(--text-white);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            border-top: 1px solid var(--border-light);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer-brand .nav-logo {
            margin-bottom: 14px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 340px;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 2px;
            background: var(--primary-gradient);
            border-radius: 4px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 14px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .footer-col ul li a i {
            font-size: 12px;
            color: var(--primary);
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--primary-light);
            transform: translateX(4px);
        }
        .footer-col ul li a:hover i {
            transform: translateX(2px);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-light);
            padding: 22px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 14px;
        }
        .footer-bottom span {
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-bottom .social-links {
            display: flex;
            gap: 14px;
        }
        .footer-bottom .social-links a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 16px;
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-bottom .social-links a:hover {
            background: var(--primary);
            color: var(--text-white);
            border-color: var(--primary);
            transform: translateY(-3px);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .play-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }
            .category-hero h1 {
                font-size: 38px;
            }
            .section-header h2 {
                font-size: 28px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-height: 64px;
            }

            .menu-toggle {
                display: flex;
            }

            .nav-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                width: 100%;
                background: rgba(13, 13, 26, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px 24px 30px;
                gap: 6px;
                border-bottom: 1px solid var(--border-light);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
                box-shadow: var(--shadow-lg);
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-links a {
                width: 100%;
                padding: 12px 16px;
                font-size: 16px;
            }
            .nav-links a.nav-cta {
                justify-content: center;
                margin-top: 8px;
            }
            .nav-links a.active::after {
                display: none;
            }

            .category-hero {
                padding: 110px 0 60px;
                min-height: 320px;
            }
            .category-hero h1 {
                font-size: 30px;
            }
            .category-hero p {
                font-size: 15px;
            }
            .category-hero .hero-stats {
                gap: 28px;
            }
            .category-hero .hero-stats .stat-num {
                font-size: 26px;
            }

            .play-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .post-list {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .post-item {
                flex-direction: column;
            }
            .post-item .post-thumb {
                width: 100%;
                height: 180px;
            }
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .faq-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .section {
                padding: 56px 0;
            }
            .section-header {
                margin-bottom: 36px;
            }
            .section-header h2 {
                font-size: 24px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .cta-section h2 {
                font-size: 26px;
            }
            .cta-section .cta-btn {
                padding: 14px 30px;
                font-size: 15px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .category-hero h1 {
                font-size: 24px;
            }
            .category-hero p {
                font-size: 14px;
            }
            .category-hero .hero-stats {
                gap: 18px;
            }
            .category-hero .hero-stats .stat-num {
                font-size: 22px;
            }
            .play-card {
                padding: 24px 18px;
            }
            .post-item .post-thumb {
                height: 140px;
            }
            .step-card {
                padding: 24px 18px;
            }
            .footer-bottom span {
                font-size: 12px;
            }
        }

        /* ===== Tiny 额外 ===== */
        .text-center {
            text-align: center;
        }
        .mt-12 {
            margin-top: 12px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mt-40 {
            margin-top: 40px;
        }
        .gap-8 {
            gap: 8px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }