/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
  --primary: #8B5E3C;
  --primary-light: #A87B56;
  --primary-dark: #6D482B;
  --secondary: #D4A76A;
  --secondary-light: #E8C88C;
  --accent: #C93C3C;
  --bg-body: #F5F0EB;
  --bg-card: #FDFCFA;
  --bg-dark: #2D2A24;
  --bg-dark-light: #3D3932;
  --text-primary: #2D2A24;
  --text-secondary: #6B6560;
  --text-light: #9E9792;
  --text-white: #F5F0EB;
  --border: #D8D0C8;
  --border-light: #EDE8E2;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --shadow: 0 4px 20px rgba(45,42,36,0.08);
  --shadow-hover: 0 12px 40px rgba(45,42,36,0.16);
  --shadow-inset: inset 0 2px 8px rgba(45,42,36,0.06);
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --font-body: 'Georgia', 'Times New Roman', 'Noto Serif SC', serif;
  --font-heading: 'Georgia', 'Times New Roman', 'Noto Serif SC', serif;
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 32px;
  --spacing-lg: 64px;
  --spacing-xl: 96px;
  --container: 1200px;
}

/* ===== 基础重置 ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-primary);
  background-color: var(--bg-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-light); }
a:focus-visible { outline: 2px solid var(--secondary); outline-offset: 4px; border-radius: 4px; }
button, input, textarea, select { font-family: inherit; font-size: inherit; }
button { cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); line-height: 1.3; color: var(--text-primary); }

/* ===== 容器 ===== */
.container { max-width: var(--container); margin: 0 auto; padding: 0 var(--spacing-sm); }
@media (max-width: 768px) {
  .container { padding: 0 var(--spacing-xs); }
}

/* ===== 头部 / 导航 ===== */
.site-header {
  background: var(--bg-card);
  border-bottom: 2px solid var(--border-light);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 16px rgba(45,42,36,0.06);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}
.logo {
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 700;
  color: var(--primary-dark);
  letter-spacing: 2px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-white);
  font-size: 18px;
}
.logo span { color: var(--secondary); }
.nav-list { display: flex; align-items: center; gap: 4px; }
.nav-list a {
  display: block;
  padding: 10px 20px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  position: relative;
}
.nav-list a:hover { color: var(--primary); background: rgba(139,94,60,0.06); }
.nav-list a.active {
  color: var(--primary-dark);
  background: rgba(139,94,60,0.10);
  font-weight: 600;
}
.nav-list a.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 20px;
  right: 20px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}
.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; cursor: pointer; }
.nav-toggle span { display: block; width: 28px; height: 2px; background: var(--text-primary); border-radius: 2px; transition: all var(--transition); }
@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-list { display: none; flex-direction: column; position: absolute; top: 72px; left: 0; right: 0; background: var(--bg-card); border-bottom: 2px solid var(--border-light); padding: var(--spacing-xs) 0; box-shadow: var(--shadow); }
  .nav-list.open { display: flex; }
  .nav-list a { padding: 14px var(--spacing-sm); border-radius: 0; }
  .nav-list a.active::after { display: none; }
  .nav-list a.active { background: rgba(139,94,60,0.08); }
}

/* ===== Hero 首屏 ===== */
.hero {
  position: relative;
  min-height: 580px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-sm);
  background: var(--bg-dark) url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(45,42,36,0.78) 0%, rgba(45,42,36,0.52) 100%);
  z-index: 1;
}
.hero-content { position: relative; z-index: 2; max-width: 780px; }
.hero-badge {
  display: inline-block;
  padding: 6px 20px;
  border: 1px solid var(--secondary);
  border-radius: 30px;
  font-size: 13px;
  letter-spacing: 2px;
  color: var(--secondary-light);
  margin-bottom: var(--spacing-md);
  text-transform: uppercase;
}
.hero h1 {
  font-size: 52px;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: var(--spacing-sm);
  letter-spacing: 2px;
}
.hero h1 span { color: var(--secondary); }
.hero p {
  font-size: 18px;
  color: rgba(245,240,235,0.80);
  max-width: 600px;
  margin: 0 auto var(--spacing-md);
  line-height: 1.8;
}
.hero-actions { display: flex; gap: var(--spacing-sm); justify-content: center; flex-wrap: wrap; }
@media (max-width: 768px) {
  .hero { min-height: 420px; padding: var(--spacing-lg) var(--spacing-sm); }
  .hero h1 { font-size: 32px; }
  .hero p { font-size: 16px; }
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 36px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  transition: all var(--transition);
  border: 2px solid transparent;
  letter-spacing: 0.5px;
}
.btn-primary { background: var(--primary); color: var(--text-white); border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: var(--text-white); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(139,94,60,0.30); }
.btn-primary:active { transform: translateY(0); box-shadow: none; }
.btn-secondary { background: transparent; color: var(--text-white); border-color: var(--text-white); }
.btn-secondary:hover { background: var(--text-white); color: var(--bg-dark); transform: translateY(-2px); }
.btn-secondary:active { transform: translateY(0); }
.btn-outline { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: var(--text-white); transform: translateY(-2px); }

/* ===== 板块通用 ===== */
.section { padding: var(--spacing-xl) 0; }
.section-title {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}
.section-title h2 {
  font-size: 34px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}
.section-title h2 span { color: var(--primary); }
.section-title p {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto;
}
.section-divider {
  width: 60px;
  height: 3px;
  background: var(--secondary);
  margin: var(--spacing-sm) auto;
  border-radius: 3px;
}
@media (max-width: 768px) {
  .section { padding: var(--spacing-lg) 0; }
  .section-title h2 { font-size: 26px; }
}

/* ===== 品牌介绍 ===== */
.brand-area {
  background: var(--bg-card);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}
.brand-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: center;
}
.brand-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 2px solid var(--border-light);
}
.brand-image img { width: 100%; height: 360px; object-fit: cover; transition: transform 0.6s; }
.brand-image:hover img { transform: scale(1.03); }
.brand-text h3 { font-size: 28px; margin-bottom: var(--spacing-sm); }
.brand-text h3 span { color: var(--primary); }
.brand-text p { color: var(--text-secondary); margin-bottom: var(--spacing-sm); line-height: 1.8; }
.brand-tags { display: flex; gap: var(--spacing-xs); flex-wrap: wrap; margin-top: var(--spacing-sm); }
.brand-tags span {
  padding: 4px 16px;
  background: rgba(139,94,60,0.08);
  border-radius: 30px;
  font-size: 13px;
  color: var(--primary);
  border: 1px solid rgba(139,94,60,0.15);
}
@media (max-width: 768px) {
  .brand-grid { grid-template-columns: 1fr; gap: var(--spacing-md); }
  .brand-image img { height: 240px; }
  .brand-text h3 { font-size: 22px; }
}

/* ===== 分类入口 ===== */
.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}
.category-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: var(--spacing-md);
  text-align: center;
  border: 1px solid var(--border-light);
  transition: all var(--transition);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}
.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--primary);
  opacity: 0;
  transition: opacity var(--transition);
}
.category-card:hover::before { opacity: 1; }
.category-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: var(--border); }
.category-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-sm);
  background: rgba(139,94,60,0.08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--primary);
  border: 1px solid rgba(139,94,60,0.12);
}
.category-card h3 { font-size: 20px; margin-bottom: var(--spacing-xs); }
.category-card p { font-size: 14px; color: var(--text-secondary); margin-bottom: var(--spacing-sm); }
.category-card .btn { margin-top: var(--spacing-xs); }
@media (max-width: 768px) {
  .category-grid { grid-template-columns: 1fr; gap: var(--spacing-sm); }
}

/* ===== 最新资讯 ===== */
.news-area { background: var(--bg-card); }
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}
.news-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border-light);
  transition: all var(--transition);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: var(--border); }
.news-card-image {
  height: 200px;
  overflow: hidden;
  position: relative;
}
.news-card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s; }
.news-card:hover .news-card-image img { transform: scale(1.05); }
.news-card-cat {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 14px;
  background: var(--primary);
  color: var(--text-white);
  font-size: 12px;
  border-radius: 30px;
  font-weight: 500;
}
.news-card-body { padding: var(--spacing-sm); flex: 1; display: flex; flex-direction: column; }
.news-card-body h3 { font-size: 18px; margin-bottom: var(--spacing-xs); flex: 1; }
.news-card-body h3 a { color: var(--text-primary); }
.news-card-body h3 a:hover { color: var(--primary); }
.news-card-body p { font-size: 14px; color: var(--text-secondary); margin-bottom: var(--spacing-xs); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card-meta { display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: var(--text-light); border-top: 1px solid var(--border-light); padding-top: var(--spacing-xs); margin-top: auto; }
.empty-news {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--spacing-lg);
  color: var(--text-secondary);
  font-size: 16px;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px dashed var(--border);
}
@media (max-width: 768px) {
  .news-grid { grid-template-columns: 1fr; gap: var(--spacing-sm); }
  .news-card-image { height: 180px; }
}

/* ===== 数据统计 ===== */
.stats-area {
  background: var(--bg-dark) url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
  position: relative;
}
.stats-area::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(45,42,36,0.82);
  z-index: 1;
}
.stats-area .container { position: relative; z-index: 2; }
.stats-area .section-title h2 { color: var(--text-white); }
.stats-area .section-title p { color: rgba(245,240,235,0.70); }
.stats-area .section-divider { background: var(--secondary); }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
  text-align: center;
}
.stat-item { padding: var(--spacing-md); }
.stat-number {
  font-size: 44px;
  font-weight: 700;
  color: var(--secondary);
  font-family: var(--font-heading);
  line-height: 1.2;
}
.stat-label {
  font-size: 15px;
  color: rgba(245,240,235,0.75);
  margin-top: var(--spacing-xs);
}
@media (max-width: 768px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: var(--spacing-sm); }
  .stat-number { font-size: 32px; }
}

/* ===== 特色服务 ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}
.feature-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: var(--spacing-md);
  border: 1px solid var(--border-light);
  transition: all var(--transition);
  box-shadow: var(--shadow);
  text-align: center;
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: var(--border); }
.feature-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--spacing-sm);
  background: rgba(212,167,106,0.12);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--primary);
}
.feature-card h3 { font-size: 20px; margin-bottom: var(--spacing-xs); }
.feature-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }
@media (max-width: 768px) {
  .features-grid { grid-template-columns: 1fr; gap: var(--spacing-sm); }
}

/* ===== FAQ ===== */
.faq-area { background: var(--bg-card); }
.faq-list { max-width: 780px; margin: 0 auto; display: flex; flex-direction: column; gap: var(--spacing-xs); }
.faq-item {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: all var(--transition);
  background: var(--bg-card);
}
.faq-item:hover { border-color: var(--border); }
.faq-question {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background var(--transition);
  background: transparent;
  width: 100%;
  text-align: left;
}
.faq-question:hover { background: rgba(139,94,60,0.04); }
.faq-question .icon { font-size: 20px; transition: transform var(--transition); color: var(--primary); }
.faq-item.open .faq-question .icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  padding: 0 var(--spacing-md);
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.7;
}
.faq-item.open .faq-answer {
  max-height: 300px;
  padding: 0 var(--spacing-md) var(--spacing-sm);
}

/* ===== CTA ===== */
.cta-area {
  background: var(--bg-dark) url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
  position: relative;
  text-align: center;
  padding: var(--spacing-xl) 0;
}
.cta-area::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(45,42,36,0.75);
  z-index: 1;
}
.cta-area .container { position: relative; z-index: 2; }
.cta-area h2 {
  font-size: 36px;
  color: var(--text-white);
  margin-bottom: var(--spacing-sm);
}
.cta-area h2 span { color: var(--secondary); }
.cta-area p {
  font-size: 17px;
  color: rgba(245,240,235,0.75);
  max-width: 520px;
  margin: 0 auto var(--spacing-md);
}
.cta-actions { display: flex; gap: var(--spacing-sm); justify-content: center; flex-wrap: wrap; }
@media (max-width: 768px) {
  .cta-area h2 { font-size: 26px; }
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--bg-dark);
  padding: var(--spacing-lg) 0 var(--spacing-md);
  border-top: 3px solid var(--primary);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}
.footer-brand .logo { color: var(--text-white); margin-bottom: var(--spacing-sm); }
.footer-brand .logo span { color: var(--secondary); }
.footer-brand p { font-size: 14px; color: rgba(245,240,235,0.60); max-width: 320px; line-height: 1.8; }
.footer-social { display: flex; gap: var(--spacing-xs); margin-top: var(--spacing-sm); }
.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(245,240,235,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(245,240,235,0.60);
  transition: all var(--transition);
  font-size: 16px;
}
.footer-social a:hover { border-color: var(--secondary); color: var(--secondary); background: rgba(212,167,106,0.10); }
.footer-col h4 {
  font-size: 16px;
  color: var(--text-white);
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
}
.footer-col ul li { margin-bottom: var(--spacing-xs); }
.footer-col ul li a {
  font-size: 14px;
  color: rgba(245,240,235,0.55);
  transition: all var(--transition);
}
.footer-col ul li a:hover { color: var(--secondary); padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(245,240,235,0.08);
  padding-top: var(--spacing-sm);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: rgba(245,240,235,0.40);
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}
@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr; gap: var(--spacing-md); }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* ===== 工具类 ===== */
.text-center { text-align: center; }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }

/* roulang page: article */
/* ===== 设计变量 ===== */
    :root {
        --primary: #9b6b3c;
        --primary-dark: #7a4f2a;
        --primary-light: #c49a6c;
        --secondary: #2d1f14;
        --accent: #d4a373;
        --bg-cream: #f5efe6;
        --bg-warm: #ece3d5;
        --bg-dark: #1a120c;
        --text-dark: #1a120c;
        --text-body: #3d2b1a;
        --text-muted: #8a7a6a;
        --text-light: #f0ebe3;
        --border-light: #dcd0c0;
        --border-medium: #c4b4a0;
        --shadow-sm: 0 2px 8px rgba(26, 18, 12, 0.08);
        --shadow-md: 0 6px 24px rgba(26, 18, 12, 0.12);
        --shadow-lg: 0 16px 48px rgba(26, 18, 12, 0.16);
        --radius-sm: 6px;
        --radius-md: 12px;
        --radius-lg: 20px;
        --radius-xl: 28px;
        --font-sans: 'Georgia', 'Times New Roman', 'Noto Serif SC', serif;
        --font-mono: 'Courier New', monospace;
        --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        --max-width: 1200px;
        --header-h: 72px;
    }

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

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

    body {
        font-family: var(--font-sans);
        color: var(--text-body);
        background: var(--bg-cream);
        line-height: 1.75;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        padding-top: var(--header-h);
    }

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

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

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

    ul,
    ol {
        list-style: none;
    }

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

    /* ===== Header / Nav ===== */
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1000;
        height: var(--header-h);
        background: rgba(26, 18, 12, 0.92);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-bottom: 1px solid rgba(155, 107, 60, 0.3);
        box-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
    }

    .header-inner {
        max-width: var(--max-width);
        margin: 0 auto;
        padding: 0 24px;
        height: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }

    .logo {
        font-size: 1.5rem;
        font-weight: 700;
        color: var(--text-light);
        display: flex;
        align-items: center;
        gap: 6px;
        letter-spacing: 1px;
        text-decoration: none;
        transition: var(--transition);
    }
    .logo:hover {
        opacity: 0.85;
        color: var(--text-light);
    }
    .logo .logo-icon {
        font-size: 1.8rem;
        line-height: 1;
    }
    .logo span {
        color: var(--primary-light);
    }

    .nav-list {
        display: flex;
        align-items: center;
        gap: 4px;
    }
    .nav-list li a {
        display: inline-block;
        padding: 8px 18px;
        font-size: 0.95rem;
        color: var(--text-light);
        border-radius: var(--radius-sm);
        transition: var(--transition);
        letter-spacing: 0.3px;
        opacity: 0.8;
        position: relative;
    }
    .nav-list li a::after {
        content: '';
        position: absolute;
        bottom: 2px;
        left: 18px;
        right: 18px;
        height: 2px;
        background: var(--primary-light);
        transform: scaleX(0);
        transition: transform 0.3s ease;
    }
    .nav-list li a:hover {
        opacity: 1;
        background: rgba(155, 107, 60, 0.15);
    }
    .nav-list li a:hover::after {
        transform: scaleX(0.6);
    }
    .nav-list li a.active {
        opacity: 1;
        background: rgba(155, 107, 60, 0.2);
        color: var(--primary-light);
    }
    .nav-list li a.active::after {
        transform: scaleX(0.8);
        background: var(--accent);
    }

    .nav-toggle {
        display: none;
        flex-direction: column;
        gap: 5px;
        cursor: pointer;
        padding: 6px;
        border-radius: var(--radius-sm);
        transition: var(--transition);
    }
    .nav-toggle span {
        display: block;
        width: 26px;
        height: 2px;
        background: var(--text-light);
        border-radius: 2px;
        transition: var(--transition);
    }
    .nav-toggle:hover {
        background: rgba(155, 107, 60, 0.2);
    }
    .nav-toggle.open span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    .nav-toggle.open span:nth-child(2) {
        opacity: 0;
    }
    .nav-toggle.open span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    /* ===== Page Banner ===== */
    .page-banner {
        position: relative;
        min-height: 280px;
        display: flex;
        align-items: center;
        justify-content: center;
        text-align: center;
        background: var(--bg-dark);
        overflow: hidden;
        margin-top: 0;
    }
    .page-banner .banner-bg {
        position: absolute;
        inset: 0;
        background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
        opacity: 0.4;
        filter: saturate(0.6) brightness(0.7);
    }
    .page-banner .banner-overlay {
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg, rgba(26, 18, 12, 0.85) 0%, rgba(45, 31, 20, 0.7) 100%);
    }
    .page-banner .banner-content {
        position: relative;
        z-index: 2;
        padding: 60px 24px;
        max-width: 800px;
    }
    .page-banner .banner-content h1 {
        font-size: 2.6rem;
        color: var(--text-light);
        font-weight: 700;
        letter-spacing: 2px;
        line-height: 1.3;
        text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
    }
    .page-banner .banner-content .breadcrumb {
        margin-top: 16px;
        color: var(--text-muted);
        font-size: 0.9rem;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
    }
    .page-banner .banner-content .breadcrumb a {
        color: var(--primary-light);
        opacity: 0.8;
    }
    .page-banner .banner-content .breadcrumb a:hover {
        opacity: 1;
    }
    .page-banner .banner-content .breadcrumb span {
        color: var(--text-light);
        opacity: 0.6;
    }

    /* ===== Article Main ===== */
    .article-section {
        padding: 60px 0 80px;
    }

    .article-wrapper {
        display: grid;
        grid-template-columns: 1fr 320px;
        gap: 48px;
        align-items: start;
    }

    .article-main {
        background: #fffcf8;
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--border-light);
        overflow: hidden;
        padding: 40px 44px;
    }

    .article-header {
        margin-bottom: 32px;
        padding-bottom: 24px;
        border-bottom: 2px solid var(--border-light);
    }
    .article-header .meta {
        display: flex;
        flex-wrap: wrap;
        gap: 12px 24px;
        font-size: 0.85rem;
        color: var(--text-muted);
        margin-bottom: 16px;
    }
    .article-header .meta span {
        display: flex;
        align-items: center;
        gap: 6px;
    }
    .article-header .meta .category-badge {
        display: inline-block;
        background: var(--primary);
        color: var(--text-light);
        padding: 2px 14px;
        border-radius: 20px;
        font-size: 0.8rem;
        letter-spacing: 0.5px;
    }
    .article-header h1 {
        font-size: 2rem;
        color: var(--text-dark);
        font-weight: 700;
        line-height: 1.35;
        letter-spacing: 0.5px;
    }

    .article-body {
        font-size: 1.05rem;
        line-height: 1.9;
        color: var(--text-body);
    }
    .article-body p {
        margin-bottom: 1.4em;
    }
    .article-body h2,
    .article-body h3 {
        color: var(--text-dark);
        margin-top: 1.8em;
        margin-bottom: 0.6em;
        font-weight: 700;
        letter-spacing: 0.3px;
    }
    .article-body h2 {
        font-size: 1.6rem;
    }
    .article-body h3 {
        font-size: 1.25rem;
    }
    .article-body ul,
    .article-body ol {
        margin-bottom: 1.4em;
        padding-left: 1.8em;
    }
    .article-body ul li {
        list-style: disc;
        margin-bottom: 0.4em;
    }
    .article-body ol li {
        list-style: decimal;
        margin-bottom: 0.4em;
    }
    .article-body blockquote {
        border-left: 4px solid var(--primary-light);
        background: var(--bg-warm);
        padding: 16px 24px;
        margin: 1.6em 0;
        border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        font-style: italic;
        color: var(--text-muted);
    }
    .article-body img {
        border-radius: var(--radius-md);
        margin: 1.6em auto;
        box-shadow: var(--shadow-sm);
        max-width: 100%;
    }
    .article-body a {
        color: var(--primary);
        text-decoration: underline;
        text-underline-offset: 2px;
    }
    .article-body a:hover {
        color: var(--primary-dark);
    }

    .article-footer-nav {
        margin-top: 40px;
        padding-top: 24px;
        border-top: 2px solid var(--border-light);
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 16px;
    }
    .article-footer-nav .btn-back {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 10px 24px;
        background: var(--bg-warm);
        border: 1px solid var(--border-medium);
        border-radius: var(--radius-sm);
        color: var(--text-body);
        font-size: 0.9rem;
        transition: var(--transition);
    }
    .article-footer-nav .btn-back:hover {
        background: var(--primary);
        color: var(--text-light);
        border-color: var(--primary);
    }
    .article-footer-nav .share-links {
        display: flex;
        align-items: center;
        gap: 12px;
        font-size: 0.9rem;
        color: var(--text-muted);
    }
    .article-footer-nav .share-links a {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 36px;
        height: 36px;
        border-radius: 50%;
        background: var(--bg-warm);
        color: var(--text-body);
        border: 1px solid var(--border-light);
        transition: var(--transition);
        font-size: 1rem;
    }
    .article-footer-nav .share-links a:hover {
        background: var(--primary);
        color: var(--text-light);
        border-color: var(--primary);
        transform: translateY(-2px);
    }

    /* ===== Sidebar ===== */
    .article-sidebar {
        display: flex;
        flex-direction: column;
        gap: 32px;
    }

    .sidebar-card {
        background: #fffcf8;
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--border-light);
        padding: 28px 24px;
    }
    .sidebar-card h3 {
        font-size: 1.1rem;
        color: var(--text-dark);
        font-weight: 700;
        letter-spacing: 0.5px;
        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-light);
    }

    .sidebar-related-list li {
        padding: 10px 0;
        border-bottom: 1px solid var(--border-light);
    }
    .sidebar-related-list li:last-child {
        border-bottom: none;
    }
    .sidebar-related-list li a {
        display: flex;
        gap: 12px;
        color: var(--text-body);
        transition: var(--transition);
    }
    .sidebar-related-list li a:hover {
        color: var(--primary);
    }
    .sidebar-related-list li a .related-thumb {
        width: 60px;
        height: 60px;
        border-radius: var(--radius-sm);
        object-fit: cover;
        flex-shrink: 0;
        background: var(--bg-warm);
    }
    .sidebar-related-list li a .related-info {
        flex: 1;
        min-width: 0;
    }
    .sidebar-related-list li a .related-info .related-title {
        font-size: 0.9rem;
        font-weight: 600;
        line-height: 1.4;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .sidebar-related-list li a .related-info .related-date {
        font-size: 0.75rem;
        color: var(--text-muted);
        margin-top: 4px;
    }

    .sidebar-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
    }
    .sidebar-tags a {
        display: inline-block;
        padding: 4px 14px;
        background: var(--bg-warm);
        border: 1px solid var(--border-light);
        border-radius: 20px;
        font-size: 0.8rem;
        color: var(--text-body);
        transition: var(--transition);
    }
    .sidebar-tags a:hover {
        background: var(--primary);
        color: var(--text-light);
        border-color: var(--primary);
    }

    /* ===== Not Found ===== */
    .not-found-box {
        text-align: center;
        padding: 80px 24px;
        background: #fffcf8;
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--border-light);
    }
    .not-found-box .nf-icon {
        font-size: 4rem;
        color: var(--text-muted);
        margin-bottom: 20px;
    }
    .not-found-box h2 {
        font-size: 1.6rem;
        color: var(--text-dark);
        margin-bottom: 12px;
    }
    .not-found-box p {
        color: var(--text-muted);
        margin-bottom: 24px;
    }
    .not-found-box .btn-home {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 12px 32px;
        background: var(--primary);
        color: var(--text-light);
        border-radius: var(--radius-sm);
        font-size: 1rem;
        transition: var(--transition);
    }
    .not-found-box .btn-home:hover {
        background: var(--primary-dark);
        transform: translateY(-2px);
        box-shadow: var(--shadow-md);
    }

    /* ===== Footer ===== */
    .site-footer {
        background: var(--bg-dark);
        color: var(--text-light);
        padding: 60px 0 0;
        border-top: 2px solid rgba(155, 107, 60, 0.3);
    }
    .site-footer .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr;
        gap: 48px;
        padding-bottom: 40px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }
    .site-footer .footer-brand .logo {
        font-size: 1.4rem;
        margin-bottom: 16px;
    }
    .site-footer .footer-brand p {
        font-size: 0.9rem;
        color: rgba(255, 255, 255, 0.6);
        line-height: 1.7;
        max-width: 360px;
    }
    .site-footer .footer-social {
        display: flex;
        gap: 12px;
        margin-top: 20px;
    }
    .site-footer .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: rgba(255, 255, 255, 0.6);
        font-size: 1.2rem;
        transition: var(--transition);
        text-decoration: none;
    }
    .site-footer .footer-social a:hover {
        background: var(--primary);
        color: var(--text-light);
        transform: translateY(-3px);
    }
    .site-footer .footer-col h4 {
        font-size: 0.95rem;
        color: var(--text-light);
        font-weight: 600;
        margin-bottom: 16px;
        letter-spacing: 0.5px;
        position: relative;
        padding-bottom: 8px;
    }
    .site-footer .footer-col h4::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 32px;
        height: 2px;
        background: var(--primary-light);
    }
    .site-footer .footer-col ul li {
        margin-bottom: 10px;
    }
    .site-footer .footer-col ul li a {
        color: rgba(255, 255, 255, 0.5);
        font-size: 0.88rem;
        transition: var(--transition);
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }
    .site-footer .footer-col ul li a:hover {
        color: var(--primary-light);
        padding-left: 4px;
    }
    .site-footer .footer-bottom {
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        align-items: center;
        padding: 20px 0;
        font-size: 0.82rem;
        color: rgba(255, 255, 255, 0.3);
        gap: 12px;
    }

    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
        .article-wrapper {
            grid-template-columns: 1fr;
        }
        .article-sidebar {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
    }

    @media (max-width: 768px) {
        :root {
            --header-h: 64px;
        }

        .nav-list {
            position: fixed;
            top: var(--header-h);
            left: 0;
            right: 0;
            background: rgba(26, 18, 12, 0.98);
            backdrop-filter: blur(12px);
            flex-direction: column;
            padding: 20px 24px;
            gap: 4px;
            transform: translateY(-120%);
            opacity: 0;
            transition: var(--transition);
            border-bottom: 1px solid rgba(155, 107, 60, 0.2);
            box-shadow: var(--shadow-lg);
            pointer-events: none;
        }
        .nav-list.open {
            transform: translateY(0);
            opacity: 1;
            pointer-events: auto;
        }
        .nav-list li a {
            width: 100%;
            padding: 12px 16px;
            font-size: 1rem;
        }
        .nav-list li a::after {
            display: none;
        }
        .nav-toggle {
            display: flex;
        }

        .page-banner {
            min-height: 200px;
        }
        .page-banner .banner-content h1 {
            font-size: 1.8rem;
        }

        .article-main {
            padding: 24px 20px;
        }
        .article-header h1 {
            font-size: 1.5rem;
        }

        .article-sidebar {
            grid-template-columns: 1fr;
        }

        .site-footer .footer-grid {
            grid-template-columns: 1fr;
            gap: 32px;
        }
        .site-footer .footer-bottom {
            flex-direction: column;
            text-align: center;
        }
    }

    @media (max-width: 520px) {
        .container {
            padding: 0 16px;
        }
        .page-banner .banner-content {
            padding: 40px 16px;
        }
        .page-banner .banner-content h1 {
            font-size: 1.4rem;
        }
        .article-main {
            padding: 16px 14px;
            border-radius: var(--radius-md);
        }
        .article-header h1 {
            font-size: 1.25rem;
        }
        .article-body {
            font-size: 0.95rem;
        }
        .article-footer-nav {
            flex-direction: column;
            align-items: stretch;
        }
        .article-footer-nav .share-links {
            justify-content: center;
        }
        .not-found-box {
            padding: 48px 16px;
        }
        .not-found-box .nf-icon {
            font-size: 3rem;
        }
    }

    /* ===== Print ===== */
    @media print {
        .site-header,
        .site-footer,
        .article-sidebar,
        .article-footer-nav .share-links {
            display: none !important;
        }
        body {
            padding-top: 0;
            background: #fff;
        }
        .article-main {
            box-shadow: none;
            border: none;
            padding: 0;
        }
        .page-banner {
            min-height: auto;
            padding: 20px 0;
            background: transparent;
        }
        .page-banner .banner-bg,
        .page-banner .banner-overlay {
            display: none;
        }
        .page-banner .banner-content h1 {
            color: #000;
            text-shadow: none;
        }
    }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #c0392b;
            --primary-dark: #a93226;
            --primary-light: #e74c3c;
            --secondary: #2c3e50;
            --secondary-light: #34495e;
            --accent: #f39c12;
            --accent-light: #f1c40f;
            --bg-dark: #1a1a2e;
            --bg-body: #0f0f1a;
            --bg-card: #16213e;
            --bg-card-hover: #1a2744;
            --bg-section: #111827;
            --bg-section-alt: #0d1117;
            --text-primary: #f5f5f5;
            --text-secondary: #b0b0c0;
            --text-muted: #7a7a8a;
            --border-color: #2a2a4a;
            --border-light: #3a3a5a;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --header-height: 72px;
        }

        /* ===== 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-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-body);
            min-height: 100vh;
        }

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

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

        ul {
            list-style: none;
        }

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

        button {
            cursor: pointer;
        }

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

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent);
            background: rgba(243, 156, 18, 0.12);
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 16px;
        }

        .section-label i {
            font-size: 0.75rem;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        .section-title span {
            color: var(--primary-light);
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.7;
        }

        .text-center {
            text-align: center;
        }
        .mx-auto {
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            border: 2px solid transparent;
            letter-spacing: 0.02em;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-color: var(--primary);
        }
        .btn-primary:hover {
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            border-color: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(192, 57, 43, 0.35);
            color: #fff;
        }
        .btn-outline {
            background: transparent;
            color: var(--text-primary);
            border-color: var(--border-light);
        }
        .btn-outline:hover {
            border-color: var(--primary-light);
            color: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(192, 57, 43, 0.2);
        }
        .btn-sm {
            padding: 10px 22px;
            font-size: 0.85rem;
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(15, 15, 26, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(42, 42, 74, 0.5);
            height: var(--header-height);
            transition: background var(--transition);
        }

        .header-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.02em;
        }
        .logo .logo-icon {
            font-size: 1.8rem;
            line-height: 1;
        }
        .logo span {
            color: var(--primary-light);
        }
        .logo:hover {
            color: var(--text-primary);
            opacity: 0.95;
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-list li a {
            display: block;
            padding: 10px 20px;
            border-radius: 30px;
            font-weight: 500;
            font-size: 0.92rem;
            color: var(--text-secondary);
            transition: all var(--transition);
            position: relative;
        }
        .nav-list li a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-list li a.active {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 4px 16px rgba(192, 57, 43, 0.35);
        }
        .nav-list li a.active:hover {
            background: var(--primary-light);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px 4px;
            cursor: pointer;
            border-radius: 8px;
            transition: background var(--transition);
        }
        .nav-toggle span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--text-primary);
            border-radius: 4px;
            transition: all var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.06);
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-bar {
            padding-top: calc(var(--header-height) + 24px);
            padding-bottom: 16px;
            background: var(--bg-section);
            border-bottom: 1px solid var(--border-color);
        }
        .breadcrumb-bar .container {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.9rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb-bar a {
            color: var(--text-secondary);
        }
        .breadcrumb-bar a:hover {
            color: var(--primary-light);
        }
        .breadcrumb-bar span {
            color: var(--text-primary);
        }
        .breadcrumb-sep {
            color: var(--text-muted);
            font-size: 0.75rem;
        }

        /* ===== Page Hero ===== */
        .page-hero {
            position: relative;
            padding: 80px 0 72px;
            background: var(--bg-section);
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.15;
            z-index: 0;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 15, 26, 0.88) 0%, rgba(15, 15, 26, 0.6) 100%);
            z-index: 1;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .page-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
        }
        .page-hero h1 span {
            color: var(--primary-light);
        }
        .page-hero p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.7;
        }

        /* ===== Category Grid ===== */
        .category-grid-section {
            padding: 72px 0 80px;
            background: var(--bg-body);
        }

        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            margin-top: 40px;
        }

        .category-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .category-card:hover {
            transform: translateY(-6px);
            border-color: var(--primary);
            box-shadow: var(--shadow-lg);
            background: var(--bg-card-hover);
        }
        .category-card .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
            background: var(--bg-section);
        }
        .category-card .card-body {
            padding: 24px 26px 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .category-card .card-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--accent);
            background: rgba(243, 156, 18, 0.12);
            padding: 4px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
            align-self: flex-start;
        }
        .category-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-primary);
        }
        .category-card p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 18px;
            flex: 1;
        }
        .category-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.82rem;
            color: var(--text-muted);
            border-top: 1px solid var(--border-color);
            padding-top: 14px;
        }
        .category-card .card-meta i {
            margin-right: 6px;
        }
        .category-card .card-link {
            color: var(--primary-light);
            font-weight: 600;
            font-size: 0.88rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition);
        }
        .category-card .card-link:hover {
            gap: 12px;
            color: var(--accent);
        }

        /* ===== Featured Events ===== */
        .featured-events {
            padding: 72px 0 80px;
            background: var(--bg-section);
        }
        .featured-events .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .featured-events .section-header .section-desc {
            margin: 0 auto;
        }

        .events-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .event-item {
            display: flex;
            gap: 20px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            border: 1px solid var(--border-color);
            transition: all var(--transition);
            align-items: flex-start;
        }
        .event-item:hover {
            border-color: var(--primary);
            transform: translateX(4px);
            box-shadow: var(--shadow-md);
        }
        .event-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(192, 57, 43, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--primary-light);
            flex-shrink: 0;
        }
        .event-info {
            flex: 1;
            min-width: 0;
        }
        .event-info .event-badge {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            padding: 3px 12px;
            border-radius: 20px;
            background: rgba(243, 156, 18, 0.15);
            color: var(--accent);
            margin-bottom: 6px;
        }
        .event-info h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--text-primary);
        }
        .event-info p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }
        .event-info .event-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* ===== Stats / Data ===== */
        .stats-section {
            padding: 64px 0;
            background: var(--bg-section-alt);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }
        .stat-item .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--primary-light);
            line-height: 1.2;
        }
        .stat-item .stat-label {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin-top: 6px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 72px 0 80px;
            background: var(--bg-body);
        }
        .faq-section .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .faq-section .section-header .section-desc {
            margin: 0 auto;
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: border-color var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-light);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            background: transparent;
            text-align: left;
            gap: 16px;
            transition: background var(--transition);
        }
        .faq-question:hover {
            background: rgba(255, 255, 255, 0.03);
        }
        .faq-question i {
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: transform var(--transition);
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
            color: var(--primary-light);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.7;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 72px 0;
            background: var(--bg-section);
            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: 0.08;
            z-index: 0;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 16px;
        }
        .cta-section h2 span {
            color: var(--primary-light);
        }
        .cta-section p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto 32px;
        }
        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== Footer (shared) ===== */
        .site-footer {
            background: var(--bg-section-alt);
            border-top: 1px solid var(--border-color);
            padding: 56px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-brand .logo {
            font-size: 1.4rem;
            margin-bottom: 14px;
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 360px;
            margin-bottom: 18px;
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            font-size: 1.1rem;
            color: var(--text-secondary);
            transition: all var(--transition);
        }
        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 18px;
            color: var(--text-primary);
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 0.88rem;
            color: var(--text-secondary);
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--primary-light);
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
            font-size: 0.82rem;
            color: var(--text-muted);
            flex-wrap: wrap;
            gap: 12px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .page-hero h1 {
                font-size: 2.3rem;
            }
            .section-title {
                font-size: 1.9rem;
            }
        }

        @media (max-width: 768px) {
            .nav-list {
                position: fixed;
                top: var(--header-height);
                left: 0;
                width: 100%;
                background: rgba(15, 15, 26, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px 24px 32px;
                gap: 6px;
                border-bottom: 1px solid var(--border-color);
                transform: translateY(-120%);
                opacity: 0;
                transition: all 0.4s ease;
                pointer-events: none;
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            }
            .nav-list.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-list li a {
                padding: 14px 20px;
                font-size: 1rem;
                width: 100%;
                text-align: center;
            }
            .nav-toggle {
                display: flex;
            }

            .category-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .events-list {
                grid-template-columns: 1fr;
            }
            .event-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 14px;
            }
            .event-icon {
                width: 48px;
                height: 48px;
                font-size: 1.3rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .stat-item .stat-number {
                font-size: 2.2rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .page-hero h1 {
                font-size: 1.9rem;
            }
            .page-hero p {
                font-size: 0.95rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .cta-section h2 {
                font-size: 1.7rem;
            }
            .breadcrumb-bar .container {
                font-size: 0.8rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .page-hero {
                padding: 60px 0 48px;
            }
            .page-hero h1 {
                font-size: 1.6rem;
            }
            .category-grid-section,
            .featured-events,
            .faq-section,
            .cta-section {
                padding: 48px 0 56px;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .section-desc {
                font-size: 0.92rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stat-item .stat-number {
                font-size: 1.8rem;
            }
            .btn {
                padding: 12px 24px;
                font-size: 0.88rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .faq-question {
                padding: 16px 18px;
                font-size: 0.92rem;
            }
            .faq-answer {
                padding: 0 18px;
                font-size: 0.88rem;
            }
            .faq-item.active .faq-answer {
                padding: 0 18px 16px;
            }
        }