/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
  --clr-primary: #8B5E3C;
  --clr-primary-dark: #6A452A;
  --clr-primary-light: #B8896A;
  --clr-secondary: #D4A574;
  --clr-secondary-light: #E8D5B7;
  --clr-accent: #C0392B;
  --clr-accent-light: #E07A6A;
  --clr-bg: #F5EFE6;
  --clr-bg-alt: #FBF8F3;
  --clr-bg-dark: #2D1B0E;
  --clr-text: #2D1B0E;
  --clr-text-light: #6B5A4E;
  --clr-text-inverse: #F5EFE6;
  --clr-border: #DCCFC0;
  --clr-border-light: #EBE3D9;
  --clr-card-bg: #FFFCF8;
  --clr-shadow: rgba(45, 27, 14, 0.08);
  --clr-shadow-strong: rgba(45, 27, 14, 0.15);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 2px 8px var(--clr-shadow);
  --shadow-md: 0 4px 20px var(--clr-shadow);
  --shadow-lg: 0 12px 40px var(--clr-shadow-strong);
  --font-display: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 3.5rem;
  --space-xl: 5rem;
  --max-width: 1200px;
  --header-height: 72px;
  --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);
  font-size: 16px;
  line-height: 1.7;
  color: var(--clr-text);
  background: var(--clr-bg);
  min-height: 100vh;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--clr-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--clr-primary-dark); }
a:focus-visible { outline: 2px solid var(--clr-secondary); outline-offset: 2px; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
button:focus-visible { outline: 2px solid var(--clr-secondary); outline-offset: 2px; }
input, textarea { font-family: inherit; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { font-family: var(--font-display); line-height: 1.3; color: var(--clr-text); }
h1 { font-size: clamp(2.4rem, 6vw, 4.2rem); font-weight: 700; }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 700; }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); font-weight: 700; }
h4 { font-size: 1.1rem; font-weight: 600; }
p { margin-bottom: 1rem; }
small { font-size: 0.85rem; }
/* ===== 容器 ===== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}
@media (max-width: 768px) {
  .container { padding: 0 var(--space-sm); }
}
/* ===== Header / Nav ===== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-height);
  background: var(--clr-card-bg);
  border-bottom: 1px solid var(--clr-border-light);
  z-index: 1000;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition);
}
.header.scrolled { box-shadow: var(--shadow-md); }
.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--clr-primary-dark);
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.logo i { color: var(--clr-secondary); font-size: 1.3rem; }
.logo:hover { color: var(--clr-primary); }
.nav { display: flex; align-items: center; gap: 0.5rem; }
.nav a {
  padding: 0.5rem 1.2rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--clr-text-light);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  position: relative;
}
.nav a:hover { color: var(--clr-primary); background: var(--clr-secondary-light); }
.nav a.active {
  color: var(--clr-card-bg);
  background: var(--clr-primary);
  font-weight: 600;
}
.nav a.active:hover { background: var(--clr-primary-dark); }
.nav .nav-cta {
  background: var(--clr-accent);
  color: #fff;
  padding: 0.5rem 1.6rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  margin-left: 0.5rem;
}
.nav .nav-cta:hover { background: #A33227; color: #fff; }
.menu-toggle { display: none; flex-direction: column; gap: 5px; padding: 4px; cursor: pointer; }
.menu-toggle span { display: block; width: 26px; height: 2px; background: var(--clr-text); border-radius: 2px; transition: var(--transition); }
@media (max-width: 768px) {
  .menu-toggle { display: flex; }
  .nav { 
    position: fixed; top: var(--header-height); left: 0; right: 0;
    background: var(--clr-card-bg);
    flex-direction: column; padding: var(--space-md);
    border-bottom: 1px solid var(--clr-border);
    box-shadow: var(--shadow-lg);
    transform: translateY(-120%); opacity: 0;
    pointer-events: none;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    gap: 0.3rem;
  }
  .nav.open { transform: translateY(0); opacity: 1; pointer-events: all; }
  .nav a { width: 100%; text-align: center; padding: 0.8rem 1rem; font-size: 1.05rem; }
  .nav .nav-cta { margin-left: 0; margin-top: 0.5rem; }
  .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 分屏 ===== */
.hero {
  margin-top: var(--header-height);
  min-height: calc(100vh - var(--header-height));
  display: flex;
  align-items: stretch;
  background: var(--clr-bg);
  position: relative;
  overflow: hidden;
}
.hero-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  width: 100%;
}
.hero-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-xl) var(--space-md) var(--space-xl) 0;
  max-width: 580px;
  margin-left: auto;
  position: relative;
  z-index: 2;
}
.hero-content .badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--clr-secondary-light);
  color: var(--clr-primary-dark);
  padding: 0.35rem 1rem;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: var(--space-sm);
  border: 1px solid var(--clr-border);
}
.hero-content h1 {
  margin-bottom: var(--space-sm);
  color: var(--clr-text);
}
.hero-content h1 .highlight {
  color: var(--clr-accent);
  font-style: italic;
}
.hero-content .subtitle {
  font-size: 1.15rem;
  color: var(--clr-text-light);
  line-height: 1.8;
  margin-bottom: var(--space-md);
  max-width: 480px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  align-items: center;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 2rem;
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  border: 2px solid transparent;
  text-align: center;
}
.btn-primary {
  background: var(--clr-primary);
  color: #fff;
  border-color: var(--clr-primary);
}
.btn-primary:hover { background: var(--clr-primary-dark); border-color: var(--clr-primary-dark); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-secondary {
  background: transparent;
  color: var(--clr-primary);
  border-color: var(--clr-border);
}
.btn-secondary:hover { border-color: var(--clr-primary); background: var(--clr-secondary-light); transform: translateY(-2px); }
.btn-accent {
  background: var(--clr-accent);
  color: #fff;
  border-color: var(--clr-accent);
}
.btn-accent:hover { background: #A33227; border-color: #A33227; color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-md); }
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  min-height: 500px;
  background: var(--clr-bg-dark);
}
.hero-visual .bg-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.75;
  transition: transform 0.6s ease;
}
.hero-visual:hover .bg-img { transform: scale(1.03); }
.hero-visual .overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(45,27,14,0.5) 0%, rgba(45,27,14,0.1) 100%);
}
.hero-visual .float-tag {
  position: relative;
  z-index: 2;
  background: var(--clr-card-bg);
  padding: 1.2rem 2rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border-left: 4px solid var(--clr-secondary);
  max-width: 280px;
  backdrop-filter: blur(8px);
  background: rgba(255,252,248,0.92);
}
.hero-visual .float-tag span { display: block; font-family: var(--font-display); font-size: 1.1rem; color: var(--clr-primary); font-weight: 700; }
.hero-visual .float-tag small { color: var(--clr-text-light); font-size: 0.85rem; }
@media (max-width: 968px) {
  .hero-split { grid-template-columns: 1fr; }
  .hero-content { padding: var(--space-lg) var(--space-md); max-width: 100%; margin: 0 auto; text-align: center; align-items: center; }
  .hero-content .subtitle { max-width: 100%; }
  .hero-actions { justify-content: center; }
  .hero-visual { min-height: 320px; }
}
@media (max-width: 520px) {
  .hero-content { padding: var(--space-md) var(--space-sm); }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; justify-content: center; }
}
/* ===== 板块通用 ===== */
.section {
  padding: var(--space-xl) 0;
  position: relative;
}
.section-alt { background: var(--clr-bg-alt); }
.section-dark { background: var(--clr-bg-dark); color: var(--clr-text-inverse); }
.section-dark h2, .section-dark h3, .section-dark .section-subtitle { color: var(--clr-text-inverse); }
.section-title {
  text-align: center;
  margin-bottom: 0.5rem;
}
.section-subtitle {
  text-align: center;
  color: var(--clr-text-light);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto var(--space-lg) auto;
}
.section-dark .section-subtitle { color: rgba(245,239,230,0.75); }
.section-line {
  width: 60px;
  height: 3px;
  background: var(--clr-secondary);
  margin: var(--space-sm) auto var(--space-md);
  border-radius: 2px;
}
/* ===== 特色卡片 ===== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-md);
}
.feature-card {
  background: var(--clr-card-bg);
  border: 1px solid var(--clr-border-light);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--clr-secondary), var(--clr-primary-light));
  opacity: 0;
  transition: opacity var(--transition);
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--clr-border); }
.feature-card:hover::before { opacity: 1; }
.feature-card .icon {
  font-size: 2rem;
  color: var(--clr-primary);
  margin-bottom: var(--space-sm);
  display: inline-block;
}
.feature-card h3 { margin-bottom: 0.6rem; font-size: 1.2rem; }
.feature-card p { color: var(--clr-text-light); font-size: 0.95rem; margin-bottom: 0; }
.feature-card .tag {
  display: inline-block;
  margin-top: var(--space-sm);
  padding: 0.2rem 0.8rem;
  background: var(--clr-secondary-light);
  color: var(--clr-primary-dark);
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 500;
}
/* ===== 分类入口 ===== */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
}
.category-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--clr-card-bg);
  border: 1px solid var(--clr-border-light);
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
  aspect-ratio: 4/3;
  display: flex;
  align-items: flex-end;
}
.category-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--clr-border); }
.category-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.category-card:hover img { transform: scale(1.08); }
.category-card .overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(45,27,14,0.7) 0%, rgba(45,27,14,0.1) 70%);
  z-index: 1;
}
.category-card .cat-info {
  position: relative;
  z-index: 2;
  padding: var(--space-md);
  width: 100%;
  color: #fff;
}
.category-card .cat-info h3 { color: #fff; font-size: 1.1rem; margin-bottom: 0.2rem; }
.category-card .cat-info p { color: rgba(255,255,255,0.8); font-size: 0.85rem; margin-bottom: 0; }
.category-card .cat-info .cat-count {
  font-size: 0.8rem;
  color: var(--clr-secondary-light);
  font-weight: 500;
}
/* ===== 资讯列表 (CMS) ===== */
.post-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-md);
}
.post-card {
  background: var(--clr-card-bg);
  border: 1px solid var(--clr-border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}
.post-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--clr-border); }
.post-card .post-thumb {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.post-card:hover .post-thumb { transform: scale(1.05); }
.post-card .post-body { padding: var(--space-md); flex: 1; display: flex; flex-direction: column; }
.post-card .post-body .post-cat {
  display: inline-block;
  padding: 0.15rem 0.7rem;
  background: var(--clr-secondary-light);
  color: var(--clr-primary-dark);
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  align-self: flex-start;
}
.post-card .post-body h3 { font-size: 1.05rem; margin-bottom: 0.5rem; flex: 1; }
.post-card .post-body h3 a { color: var(--clr-text); }
.post-card .post-body h3 a:hover { color: var(--clr-primary); }
.post-card .post-body .post-excerpt { color: var(--clr-text-light); font-size: 0.9rem; margin-bottom: var(--space-sm); flex: 1; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.post-card .post-body .post-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--clr-text-light);
  border-top: 1px solid var(--clr-border-light);
  padding-top: 0.8rem;
}
.post-card .post-body .post-meta i { margin-right: 0.3rem; }
.empty-msg {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--space-lg);
  color: var(--clr-text-light);
  background: var(--clr-card-bg);
  border: 2px dashed var(--clr-border);
  border-radius: var(--radius-md);
}
.empty-msg i { font-size: 2rem; display: block; margin-bottom: var(--space-sm); color: var(--clr-border); }
/* ===== 数据统计 ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--space-md);
  text-align: center;
}
.stat-item {
  padding: var(--space-md);
  background: rgba(255,255,255,0.06);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,0.1);
  backdrop-filter: blur(4px);
}
.stat-item .num {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--clr-secondary);
  line-height: 1.2;
}
.stat-item .label { color: rgba(245,239,230,0.8); font-size: 0.9rem; margin-top: 0.3rem; }
/* ===== FAQ ===== */
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: var(--space-sm); }
.faq-item {
  background: var(--clr-card-bg);
  border: 1px solid var(--clr-border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow var(--transition);
}
.faq-item:hover { box-shadow: var(--shadow-sm); }
.faq-item .faq-q {
  padding: var(--space-sm) var(--space-md);
  font-weight: 600;
  font-size: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  background: none;
  width: 100%;
  text-align: left;
  color: var(--clr-text);
  transition: background var(--transition);
}
.faq-item .faq-q:hover { background: var(--clr-secondary-light); }
.faq-item .faq-q i { transition: transform var(--transition); color: var(--clr-primary); }
.faq-item.open .faq-q i { transform: rotate(180deg); }
.faq-item .faq-a {
  padding: 0 var(--space-md) var(--space-sm);
  color: var(--clr-text-light);
  line-height: 1.8;
  display: none;
}
.faq-item.open .faq-a { display: block; }
/* ===== CTA ===== */
.cta-box {
  background: var(--clr-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-lg) var(--space-md);
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-box::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity: 0.10;
  mix-blend-mode: overlay;
}
.cta-box h2 { color: #fff; font-size: clamp(1.6rem, 3.5vw, 2.4rem); position: relative; }
.cta-box p { color: rgba(255,255,255,0.85); font-size: 1.05rem; max-width: 560px; margin: var(--space-sm) auto var(--space-md); position: relative; }
.cta-box .btn { position: relative; }
.cta-box .btn-accent { background: #fff; color: var(--clr-primary); border-color: #fff; }
.cta-box .btn-accent:hover { background: var(--clr-secondary-light); border-color: var(--clr-secondary-light); color: var(--clr-primary-dark); }
/* ===== 分隔装饰 ===== */
.divider-wave {
  text-align: center;
  color: var(--clr-border);
  font-size: 1.2rem;
  letter-spacing: 0.5em;
  padding: 0.5rem 0;
  user-select: none;
}
/* ===== Footer ===== */
.footer {
  background: var(--clr-bg-dark);
  color: rgba(245,239,230,0.7);
  padding: var(--space-lg) 0 var(--space-md);
  border-top: 3px solid var(--clr-border);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}
.footer-brand .logo { color: var(--clr-secondary); margin-bottom: var(--space-sm); }
.footer-brand .logo i { color: var(--clr-secondary-light); }
.footer-brand p { font-size: 0.9rem; max-width: 320px; }
.footer h4 { color: var(--clr-secondary-light); font-family: var(--font-body); font-size: 0.95rem; font-weight: 600; margin-bottom: var(--space-sm); text-transform: uppercase; letter-spacing: 0.05em; }
.footer ul li { margin-bottom: 0.5rem; }
.footer ul a { color: rgba(245,239,230,0.6); font-size: 0.9rem; }
.footer ul a:hover { color: var(--clr-secondary); }
.footer .social { display: flex; gap: var(--space-sm); margin-top: var(--space-sm); }
.footer .social a {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid rgba(245,239,230,0.2);
  border-radius: var(--radius-sm);
  color: rgba(245,239,230,0.6);
  transition: all var(--transition);
}
.footer .social a:hover { border-color: var(--clr-secondary); color: var(--clr-secondary); background: rgba(212,165,116,0.1); }
.footer-bottom {
  border-top: 1px solid rgba(245,239,230,0.1);
  padding-top: var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
  font-size: 0.85rem;
}
.footer-bottom a { color: rgba(245,239,230,0.5); }
.footer-bottom a:hover { color: var(--clr-secondary); }
@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 520px) {
  .footer-grid { grid-template-columns: 1fr; }
}
/* ===== 工具类 ===== */
.text-center { text-align: center; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
/* ===== 响应式微调 ===== */
@media (max-width: 768px) {
  .section { padding: var(--space-lg) 0; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .category-grid { grid-template-columns: 1fr 1fr; }
  .post-list { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .feature-grid { grid-template-columns: 1fr; }
  .category-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-item .num { font-size: 2rem; }
}

/* roulang page: article */
/* ===== 设计变量 ===== */
:root {
  --primary: #c08457;
  --primary-light: #d4a373;
  --primary-dark: #9a6b42;
  --secondary: #6b8e6b;
  --secondary-light: #8aad8a;
  --bg-cream: #f5f0eb;
  --bg-warm: #faf6f1;
  --bg-dark: #2c1810;
  --bg-card: #fffdf9;
  --text-dark: #3a2a1a;
  --text-body: #5c4a3a;
  --text-weak: #8a7a6a;
  --text-light: #cbb8a8;
  --border-light: #e8ddd0;
  --border-medium: #d4c4b4;
  --shadow-sm: 0 2px 12px rgba(44,24,16,0.06);
  --shadow-md: 0 6px 28px rgba(44,24,16,0.10);
  --shadow-lg: 0 12px 48px rgba(44,24,16,0.14);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-body: 'Georgia', 'Noto Serif SC', serif;
  --font-heading: 'Trebuchet MS', 'Noto Sans SC', sans-serif;
  --max-width: 1200px;
  --nav-height: 68px;
}

/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg-cream);
  color: var(--text-body);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
a:focus-visible { outline: 3px solid var(--primary-light); outline-offset: 2px; border-radius: 4px; }
button, input, textarea { font-family: inherit; font-size: inherit; }
ul { list-style: none; }

/* ===== Container ===== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
@media (max-width: 768px) {
  .container { padding: 0 16px; }
}

/* ===== 导航 ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(44,24,16,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  border-bottom: 1px solid rgba(212,196,180,0.16);
  box-shadow: 0 2px 20px rgba(0,0,0,0.20);
}
.nav .logo {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--bg-cream);
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav .logo i { color: var(--primary-light); font-size: 1.5rem; }
.nav .logo:hover { color: var(--primary-light); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-links a {
  padding: 8px 18px;
  border-radius: 40px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-light);
  transition: var(--transition);
  position: relative;
}
.nav-links a:hover { color: var(--bg-cream); background: rgba(255,255,255,0.08); }
.nav-links a.active {
  color: var(--bg-cream);
  background: var(--primary);
  box-shadow: 0 2px 12px rgba(192,132,87,0.30);
}
.nav-links a.nav-cta {
  background: rgba(192,132,87,0.20);
  color: var(--primary-light);
  border: 1px solid rgba(192,132,87,0.30);
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-links a.nav-cta:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
.nav-toggle { display: none; background: none; border: none; color: var(--bg-cream); font-size: 1.6rem; cursor: pointer; padding: 4px 8px; border-radius: 8px; }
.nav-toggle:focus-visible { outline: 3px solid var(--primary-light); }

@media (max-width: 768px) {
  .nav { padding: 0 16px; }
  .nav-toggle { display: block; }
  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(44,24,16,0.98);
    backdrop-filter: blur(16px);
    flex-direction: column;
    padding: 16px 20px 24px;
    gap: 4px;
    transform: translateY(-120%);
    opacity: 0;
    transition: var(--transition);
    border-bottom: 1px solid rgba(212,196,180,0.12);
    pointer-events: none;
  }
  .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-links a { width: 100%; text-align: center; padding: 12px; font-size: 1rem; }
}

/* ===== 文章 Banner ===== */
.article-banner {
  margin-top: var(--nav-height);
  min-height: 340px;
  background: var(--bg-dark) url('/assets/images/backpic/back-1.png') center / cover no-repeat;
  display: flex;
  align-items: flex-end;
  position: relative;
}
.article-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(44,24,16,0.30) 0%, rgba(44,24,16,0.80) 100%);
}
.article-banner .container {
  position: relative;
  z-index: 2;
  width: 100%;
  padding-bottom: 40px;
  padding-top: 60px;
}
.article-banner .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-light);
  margin-bottom: 16px;
}
.article-banner .breadcrumb a { color: var(--primary-light); }
.article-banner .breadcrumb a:hover { color: #fff; }
.article-banner .breadcrumb span { color: var(--text-light); }
.article-banner .category-tag {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 30px;
  letter-spacing: 0.3px;
  margin-bottom: 12px;
}
.article-banner h1 {
  font-family: var(--font-heading);
  font-size: 2.6rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.25;
  max-width: 860px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.30);
  margin-bottom: 16px;
}
.article-banner .meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 0.9rem;
  color: var(--text-light);
}
.article-banner .meta i { color: var(--primary-light); margin-right: 6px; }

@media (max-width: 768px) {
  .article-banner { min-height: 260px; }
  .article-banner h1 { font-size: 1.6rem; }
  .article-banner .container { padding-bottom: 28px; padding-top: 40px; }
  .article-banner .meta { gap: 12px; font-size: 0.82rem; }
}

/* ===== 文章正文区 ===== */
.article-main {
  padding: 48px 0 60px;
  background: var(--bg-warm);
}
.article-main .container {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 48px;
}
.article-content {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  overflow: hidden;
}
.article-content .content-inner {
  padding: 40px 44px;
}
.article-content .featured-image {
  width: 100%;
  max-height: 480px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: 32px;
  box-shadow: var(--shadow-sm);
}
.article-content .body-text {
  font-size: 1.05rem;
  line-height: 1.9;
  color: var(--text-body);
}
.article-content .body-text p { margin-bottom: 1.4em; }
.article-content .body-text h2, 
.article-content .body-text h3 { 
  font-family: var(--font-heading); 
  color: var(--text-dark); 
  margin-top: 1.8em; 
  margin-bottom: 0.6em;
}
.article-content .body-text h2 { font-size: 1.6rem; font-weight: 700; }
.article-content .body-text h3 { font-size: 1.25rem; font-weight: 600; }
.article-content .body-text ul, 
.article-content .body-text ol { margin: 1em 0; padding-left: 1.6em; }
.article-content .body-text li { margin-bottom: 0.4em; }
.article-content .body-text ul li { list-style: disc; }
.article-content .body-text ol li { list-style: decimal; }
.article-content .body-text blockquote {
  border-left: 4px solid var(--primary-light);
  background: var(--bg-cream);
  padding: 16px 24px;
  margin: 1.6em 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-weak);
  font-style: italic;
}
.article-content .body-text a { color: var(--primary); text-decoration: underline; text-underline-offset: 2px; }
.article-content .body-text a:hover { color: var(--primary-dark); }

/* 标签 & 分享 */
.article-footer-bar {
  padding: 28px 44px 32px;
  border-top: 1px solid var(--border-light);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.article-tags .tag {
  background: var(--bg-cream);
  color: var(--text-weak);
  font-size: 0.78rem;
  padding: 4px 14px;
  border-radius: 30px;
  border: 1px solid var(--border-light);
  transition: var(--transition);
}
.article-tags .tag:hover { background: var(--primary-light); color: #fff; border-color: var(--primary-light); }
.article-share {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--text-weak);
}
.article-share a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--bg-cream);
  color: var(--text-body);
  border: 1px solid var(--border-light);
  transition: var(--transition);
}
.article-share a:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

/* 侧栏 */
.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.sidebar-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}
.sidebar-card h3 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--border-light);
  display: flex;
  align-items: center;
  gap: 8px;
}
.sidebar-card h3 i { color: var(--primary); }
.sidebar-card .card-item {
  display: flex;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-light);
  transition: var(--transition);
}
.sidebar-card .card-item:last-child { border-bottom: none; padding-bottom: 0; }
.sidebar-card .card-item:hover { opacity: 0.8; }
.sidebar-card .card-item img {
  width: 70px;
  height: 70px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}
.sidebar-card .card-item .info h4 {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-dark);
  line-height: 1.4;
  margin-bottom: 4px;
}
.sidebar-card .card-item .info span {
  font-size: 0.78rem;
  color: var(--text-weak);
}

/* 文章未找到 */
.article-not-found {
  text-align: center;
  padding: 80px 20px;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}
.article-not-found i { font-size: 3.6rem; color: var(--text-light); margin-bottom: 20px; }
.article-not-found h2 { font-family: var(--font-heading); font-size: 1.8rem; color: var(--text-dark); margin-bottom: 12px; }
.article-not-found p { color: var(--text-weak); margin-bottom: 24px; max-width: 480px; margin-left: auto; margin-right: auto; }
.article-not-found .btn { display: inline-block; }

@media (max-width: 1024px) {
  .article-main .container { grid-template-columns: 1fr; gap: 32px; }
  .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
}
@media (max-width: 640px) {
  .article-content .content-inner { padding: 24px 20px; }
  .article-footer-bar { padding: 20px; flex-direction: column; align-items: flex-start; }
  .article-sidebar { grid-template-columns: 1fr; }
}

/* ===== 相关推荐 ===== */
.related-section {
  background: var(--bg-cream);
  padding: 60px 0 72px;
  border-top: 1px solid var(--border-light);
}
.related-section .section-head {
  text-align: center;
  margin-bottom: 40px;
}
.related-section .section-head h2 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}
.related-section .section-head p { color: var(--text-weak); font-size: 0.95rem; }
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.related-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.related-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}
.related-card .card-body { padding: 20px 22px 24px; }
.related-card .card-body .cat { font-size: 0.75rem; color: var(--primary); font-weight: 600; margin-bottom: 6px; }
.related-card .card-body h3 { font-size: 1.05rem; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; line-height: 1.4; }
.related-card .card-body p { font-size: 0.88rem; color: var(--text-weak); margin-bottom: 12px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-card .card-body .date { font-size: 0.78rem; color: var(--text-light); }

@media (max-width: 900px) {
  .related-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .related-grid { grid-template-columns: 1fr; }
  .related-section { padding: 40px 0 50px; }
}

/* ===== CTA 区块 ===== */
.cta-block {
  padding: 64px 0;
  background: var(--bg-dark) url('/assets/images/backpic/back-2.png') center / cover no-repeat;
  position: relative;
}
.cta-block::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(44,24,16,0.75);
}
.cta-block .container {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 640px;
}
.cta-block h2 {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
}
.cta-block p { color: var(--text-light); font-size: 1rem; margin-bottom: 28px; }
.cta-block .btn-group { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.cta-block .btn { 
  padding: 14px 34px; 
  border-radius: 40px; 
  font-weight: 600; 
  font-size: 0.95rem; 
  transition: var(--transition); 
  display: inline-flex; 
  align-items: center; 
  gap: 8px;
}
.cta-block .btn-primary { background: var(--primary); color: #fff; border: 2px solid var(--primary); }
.cta-block .btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(192,132,87,0.35); }
.cta-block .btn-outline { background: transparent; color: var(--bg-cream); border: 2px solid var(--border-medium); }
.cta-block .btn-outline:hover { background: rgba(255,255,255,0.10); border-color: var(--primary-light); color: #fff; }

@media (max-width: 640px) {
  .cta-block { padding: 44px 0; }
  .cta-block h2 { font-size: 1.5rem; }
}

/* ===== 页脚 ===== */
.footer {
  background: #1f110a;
  color: var(--text-light);
  padding: 56px 0 0;
  border-top: 1px solid rgba(212,196,180,0.08);
}
.footer .footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(212,196,180,0.10);
}
.footer .logo {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--bg-cream);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}
.footer .logo i { color: var(--primary-light); }
.footer .logo:hover { color: var(--primary-light); }
.footer-brand p { font-size: 0.88rem; line-height: 1.7; margin-bottom: 18px; max-width: 320px; }
.footer .social { display: flex; gap: 12px; }
.footer .social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  color: var(--text-light);
  font-size: 1.1rem;
  transition: var(--transition);
}
.footer .social a:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
.footer h4 {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--bg-cream);
  margin-bottom: 16px;
}
.footer ul li { margin-bottom: 8px; }
.footer ul a {
  font-size: 0.88rem;
  color: var(--text-light);
  transition: var(--transition);
}
.footer ul a:hover { color: var(--primary-light); padding-left: 4px; }
.footer-bottom {
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--text-weak);
  flex-wrap: wrap;
  gap: 8px;
}
.footer-bottom a { color: var(--text-light); }
.footer-bottom a:hover { color: var(--primary-light); }

@media (max-width: 900px) {
  .footer .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 560px) {
  .footer .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* ===== 通用按钮 ===== */
.btn {
  padding: 12px 28px;
  border-radius: 40px;
  font-weight: 600;
  font-size: 0.92rem;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: none;
  cursor: pointer;
  text-decoration: none;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  border: 2px solid var(--primary);
}
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 6px 24px rgba(192,132,87,0.30); }
.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}
.btn-outline:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
.btn-sm { padding: 8px 18px; font-size: 0.82rem; }

/* ===== 动画 ===== */
@keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.fade-up { animation: fadeUp 0.6s ease both; }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #D4853A;
            --primary-dark: #B86E2A;
            --primary-light: #F0C9A3;
            --secondary: #5B7B4A;
            --secondary-dark: #436235;
            --secondary-light: #A8C49A;
            --bg-main: #F5F0E8;
            --bg-card: #FDFBF7;
            --bg-dark: #2C2420;
            --bg-warm: #EDE4D8;
            --text-dark: #2C2420;
            --text-body: #4A3E36;
            --text-light: #8A7A6E;
            --text-white: #F5F0E8;
            --border-light: #E0D5C8;
            --border-medium: #C8BAAA;
            --shadow-sm: 0 2px 8px rgba(44, 36, 32, 0.06);
            --shadow-md: 0 6px 24px rgba(44, 36, 32, 0.10);
            --shadow-lg: 0 12px 40px rgba(44, 36, 32, 0.14);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --font-serif: 'Georgia', 'Times New Roman', serif;
            --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --nav-height: 68px;
        }

        /* ===== 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);
            background-color: var(--bg-main);
            color: var(--text-body);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            background: none;
            outline: none;
        }
        button {
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-serif);
            color: var(--text-dark);
            line-height: 1.3;
            font-weight: 700;
        }
        h1 {
            font-size: clamp(2.2rem, 6vw, 3.6rem);
        }
        h2 {
            font-size: clamp(1.6rem, 4vw, 2.4rem);
        }
        h3 {
            font-size: clamp(1.2rem, 2.5vw, 1.6rem);
        }
        h4 {
            font-size: 1.1rem;
        }
        p {
            margin-bottom: 1em;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 导航 ===== */
        .header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--bg-card);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }
        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .logo {
            font-family: var(--font-serif);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-dark);
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 0.02em;
        }
        .logo i {
            color: var(--primary);
            font-size: 1.4rem;
        }
        .logo:hover {
            color: var(--primary);
        }
        .nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 18px;
            border-radius: 100px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-body);
            transition: all var(--transition);
            position: relative;
            letter-spacing: 0.01em;
        }
        .nav a:hover {
            background: var(--bg-warm);
            color: var(--text-dark);
        }
        .nav a.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 2px 12px rgba(212, 133, 58, 0.35);
        }
        .nav a.active:hover {
            background: var(--primary-dark);
        }
        .nav a.nav-cta {
            background: var(--bg-dark);
            color: var(--text-white);
            padding: 6px 22px;
            border: 1px solid var(--bg-dark);
        }
        .nav a.nav-cta:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }
        .nav-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--text-dark);
            padding: 4px 8px;
            border-radius: 8px;
            background: var(--bg-warm);
        }
        .nav-toggle:hover {
            background: var(--border-light);
        }

        /* ===== Hero / 分类Banner ===== */
        .category-hero {
            position: relative;
            min-height: 360px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 80px 24px 60px;
            background: var(--bg-dark) url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            isolation: isolate;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(44, 36, 32, 0.82) 0%, rgba(44, 36, 32, 0.55) 100%);
            z-index: 1;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
            z-index: 1;
        }
        .category-hero .hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }
        .category-hero .hero-badge {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 4px 18px;
            border-radius: 100px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            margin-bottom: 16px;
            text-transform: uppercase;
        }
        .category-hero h1 {
            color: var(--text-white);
            font-size: clamp(2.4rem, 6vw, 3.8rem);
            line-height: 1.2;
            margin-bottom: 16px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }
        .category-hero p {
            color: rgba(245, 240, 232, 0.85);
            font-size: 1.1rem;
            max-width: 580px;
            margin: 0 auto 24px;
            line-height: 1.7;
        }
        .category-hero .hero-search {
            display: flex;
            max-width: 480px;
            margin: 0 auto;
            background: var(--bg-card);
            border-radius: 100px;
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid rgba(255, 255, 255, 0.15);
        }
        .category-hero .hero-search input {
            flex: 1;
            padding: 14px 22px;
            font-size: 0.95rem;
            color: var(--text-dark);
            background: transparent;
            border: none;
        }
        .category-hero .hero-search input::placeholder {
            color: var(--text-light);
        }
        .category-hero .hero-search button {
            padding: 14px 28px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            transition: background var(--transition);
            border: none;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .category-hero .hero-search button:hover {
            background: var(--primary-dark);
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 72px 0;
        }
        .section-header {
            text-align: center;
            max-width: 640px;
            margin: 0 auto 48px;
        }
        .section-header h2 {
            position: relative;
            display: inline-block;
            margin-bottom: 12px;
        }
        .section-header h2::after {
            content: '';
            display: block;
            width: 48px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
            margin: 12px auto 0;
        }
        .section-header p {
            color: var(--text-light);
            font-size: 1.05rem;
        }
        .section-tag {
            display: inline-block;
            background: var(--bg-warm);
            color: var(--primary-dark);
            padding: 2px 14px;
            border-radius: 100px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 8px;
            border: 1px solid var(--border-light);
        }

        /* ===== 卡片网格 ===== */
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        .card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--border-medium);
        }
        .card-img {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--bg-warm);
        }
        .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .card:hover .card-img img {
            transform: scale(1.04);
        }
        .card-body {
            padding: 20px 22px 24px;
        }
        .card-body .card-tag {
            display: inline-block;
            background: var(--bg-warm);
            color: var(--secondary-dark);
            padding: 2px 12px;
            border-radius: 100px;
            font-size: 0.7rem;
            font-weight: 600;
            margin-bottom: 8px;
            border: 1px solid var(--border-light);
        }
        .card-body h3 {
            font-size: 1.15rem;
            margin-bottom: 6px;
        }
        .card-body h3 a {
            color: var(--text-dark);
        }
        .card-body h3 a:hover {
            color: var(--primary);
        }
        .card-body p {
            color: var(--text-light);
            font-size: 0.9rem;
            margin-bottom: 12px;
            line-height: 1.6;
        }
        .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--text-light);
            border-top: 1px solid var(--border-light);
            padding-top: 12px;
            margin-top: 4px;
        }
        .card-meta i {
            color: var(--primary);
            width: 14px;
            margin-right: 2px;
        }

        /* ===== 标签云 ===== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            margin: 24px 0 12px;
        }
        .tag-cloud a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 18px;
            border-radius: 100px;
            font-size: 0.85rem;
            font-weight: 500;
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            color: var(--text-body);
            transition: all var(--transition);
        }
        .tag-cloud a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(212, 133, 58, 0.25);
        }
        .tag-cloud a i {
            font-size: 0.75rem;
        }

        /* ===== 列表区块 ===== */
        .list-block {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }
        .list-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 18px 24px;
            border-bottom: 1px solid var(--border-light);
            transition: background var(--transition);
        }
        .list-item:last-child {
            border-bottom: none;
        }
        .list-item:hover {
            background: var(--bg-warm);
        }
        .list-item .num {
            font-family: var(--font-serif);
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--primary-light);
            min-width: 40px;
            text-align: center;
        }
        .list-item .info {
            flex: 1;
        }
        .list-item .info h4 {
            font-size: 1rem;
            margin-bottom: 2px;
        }
        .list-item .info h4 a {
            color: var(--text-dark);
        }
        .list-item .info h4 a:hover {
            color: var(--primary);
        }
        .list-item .info span {
            font-size: 0.8rem;
            color: var(--text-light);
        }
        .list-item .badge {
            background: var(--bg-warm);
            color: var(--secondary-dark);
            padding: 2px 14px;
            border-radius: 100px;
            font-size: 0.7rem;
            font-weight: 600;
            border: 1px solid var(--border-light);
            white-space: nowrap;
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .stat-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 16px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .stat-card .num {
            font-family: var(--font-serif);
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }
        .stat-card .label {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-top: 4px;
        }
        .stat-card i {
            font-size: 1.6rem;
            color: var(--primary-light);
            margin-bottom: 8px;
        }

        /* ===== 流程步骤 ===== */
        .steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }
        .step-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 20px 28px;
            text-align: center;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            position: relative;
            transition: all var(--transition);
        }
        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .step-card::before {
            counter-increment: step;
            content: counter(step);
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            width: 32px;
            height: 32px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: 0 2px 10px rgba(212, 133, 58, 0.3);
        }
        .step-card .icon {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 12px;
            margin-top: 4px;
        }
        .step-card h4 {
            font-size: 1.05rem;
            margin-bottom: 6px;
        }
        .step-card p {
            font-size: 0.85rem;
            color: var(--text-light);
            margin-bottom: 0;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: box-shadow var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 22px;
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--text-dark);
            cursor: pointer;
            transition: background var(--transition);
            gap: 12px;
        }
        .faq-question:hover {
            background: var(--bg-warm);
        }
        .faq-question i {
            color: var(--primary);
            font-size: 0.85rem;
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 22px 18px;
            font-size: 0.92rem;
            color: var(--text-body);
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-block {
            background: var(--bg-dark) url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            border-radius: var(--radius-lg);
            padding: 64px 40px;
            text-align: center;
            color: var(--text-white);
            position: relative;
            isolation: isolate;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(44, 36, 32, 0.80) 0%, rgba(44, 36, 32, 0.50) 100%);
            z-index: 1;
            border-radius: var(--radius-lg);
        }
        .cta-block>* {
            position: relative;
            z-index: 2;
        }
        .cta-block h2 {
            color: var(--text-white);
            font-size: clamp(1.6rem, 4vw, 2.2rem);
            margin-bottom: 12px;
        }
        .cta-block p {
            color: rgba(245, 240, 232, 0.8);
            max-width: 520px;
            margin: 0 auto 28px;
            font-size: 1.05rem;
        }
        .cta-block .btn-group {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: 100px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            border: 2px solid transparent;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(212, 133, 58, 0.35);
        }
        .btn-outline-light {
            background: transparent;
            color: var(--text-white);
            border-color: rgba(245, 240, 232, 0.4);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--text-white);
            color: var(--text-white);
            transform: translateY(-2px);
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--bg-dark);
            color: rgba(245, 240, 232, 0.75);
            padding: 60px 0 32px;
            margin-top: 72px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand .logo {
            color: var(--text-white);
            font-size: 1.2rem;
            margin-bottom: 12px;
            display: inline-flex;
        }
        .footer-brand .logo i {
            color: var(--primary-light);
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: rgba(245, 240, 232, 0.6);
            max-width: 300px;
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .social {
            display: flex;
            gap: 12px;
        }
        .social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: rgba(245, 240, 232, 0.6);
            font-size: 1rem;
            transition: all var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.05);
        }
        .social a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
        }
        .footer h4 {
            color: var(--text-white);
            font-size: 0.95rem;
            margin-bottom: 16px;
            font-family: var(--font-sans);
            font-weight: 600;
            letter-spacing: 0.03em;
        }
        .footer ul li {
            margin-bottom: 10px;
        }
        .footer ul li a {
            color: rgba(245, 240, 232, 0.55);
            font-size: 0.88rem;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer ul li a:hover {
            color: var(--primary-light);
            transform: translateX(3px);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 24px;
            font-size: 0.82rem;
            color: rgba(245, 240, 232, 0.4);
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom a {
            color: rgba(245, 240, 232, 0.5);
        }
        .footer-bottom a:hover {
            color: var(--primary-light);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-height: 60px;
            }
            .nav {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--bg-card);
                flex-direction: column;
                padding: 16px 24px 24px;
                gap: 6px;
                border-bottom: 1px solid var(--border-light);
                box-shadow: var(--shadow-md);
            }
            .nav.open {
                display: flex;
            }
            .nav a {
                width: 100%;
                justify-content: center;
                padding: 10px 18px;
            }
            .nav-toggle {
                display: block;
            }
            .category-hero {
                min-height: 300px;
                padding: 60px 20px 48px;
            }
            .category-hero h1 {
                font-size: clamp(1.8rem, 8vw, 2.6rem);
            }
            .category-hero .hero-search {
                flex-direction: column;
                border-radius: var(--radius-sm);
            }
            .category-hero .hero-search input {
                padding: 12px 18px;
            }
            .category-hero .hero-search button {
                padding: 12px 18px;
                justify-content: center;
            }
            .section {
                padding: 48px 0;
            }
            .section-header {
                margin-bottom: 32px;
            }
            .grid-3,
            .grid-2 {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-card {
                padding: 24px 12px;
            }
            .stat-card .num {
                font-size: 1.8rem;
            }
            .steps {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .step-card {
                padding: 24px 16px 20px;
            }
            .list-item {
                padding: 14px 16px;
                flex-wrap: wrap;
            }
            .list-item .badge {
                margin-left: auto;
            }
            .cta-block {
                padding: 40px 24px;
                border-radius: var(--radius-md);
            }
            .cta-block .btn-group {
                flex-direction: column;
                align-items: center;
            }
            .btn {
                width: 100%;
                max-width: 280px;
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .tag-cloud a {
                font-size: 0.8rem;
                padding: 4px 14px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .category-hero {
                padding: 48px 16px 36px;
                min-height: 260px;
            }
            .category-hero h1 {
                font-size: 1.6rem;
            }
            .category-hero p {
                font-size: 0.95rem;
            }
            .steps {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-card .num {
                font-size: 1.5rem;
            }
            .card-body {
                padding: 16px 18px 20px;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 0.9rem;
            }
            .faq-answer {
                padding: 0 16px 14px;
                font-size: 0.85rem;
            }
        }