/* roulang page: index */
:root {
  --primary: #0e1a30;
  --primary-light: #142542;
  --accent: #cba455;
  --accent-light: #e4cb94;
  --bg: #f7f8fa;
  --bg-dark: #0b1322;
  --card: #ffffff;
  --text: #16213e;
  --text-muted: #64748b;
  --border: #e6e8ee;
  --radius: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 10px rgba(14, 26, 48, 0.05);
  --shadow-md: 0 10px 30px rgba(14, 26, 48, 0.08);
  --shadow-lg: 0 20px 50px rgba(14, 26, 48, 0.14);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; transition: var(--transition); }
img { display: block; max-width: 100%; }
button { cursor: pointer; border: none; outline: none; background: none; }
input { outline: none; border: none; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
@media (min-width: 640px) { .container { padding: 0 32px; } }

.section-padding { padding: 90px 0; }
@media (max-width: 768px) { .section-padding { padding: 60px 0; } }

/* 头部导航 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(14, 26, 48, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: var(--transition);
}
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: rgba(255, 255, 255, 0.8);
  font-weight: 500;
  font-size: 15px;
  padding: 10px 16px;
  border-radius: 8px;
  transition: var(--transition);
  white-space: nowrap;
}
.nav-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}
.nav-link.active {
  color: var(--accent);
  background: rgba(203, 164, 85, 0.12);
}
.logo-text {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.3px;
  color: #fff;
  background: linear-gradient(135deg, #fff 40%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), #b58a3a);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #0e1a30;
  font-size: 16px;
  box-shadow: 0 4px 12px rgba(203, 164, 85, 0.3);
}
.btn-gold {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #d9b871, #cba455);
  color: #0e1a30;
  font-weight: 700;
  font-size: 15px;
  padding: 14px 32px;
  border-radius: 50px;
  transition: var(--transition);
  box-shadow: 0 4px 14px rgba(203, 164, 85, 0.35);
}
.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(203, 164, 85, 0.45);
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1.5px solid rgba(255, 255, 255, 0.4);
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  padding: 14px 32px;
  border-radius: 50px;
  transition: var(--transition);
  background: rgba(255, 255, 255, 0.05);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(203, 164, 85, 0.1);
}
.btn-navy {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  padding: 12px 28px;
  border-radius: 50px;
  transition: var(--transition);
  box-shadow: 0 4px 14px rgba(14, 26, 48, 0.2);
}
.btn-navy:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(14, 26, 48, 0.25);
}
.mega-dropdown {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%) translateY(12px);
  width: 560px;
  background: #fff;
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(14, 26, 48, 0.18);
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s ease;
  z-index: 1000;
}
.group:hover .mega-dropdown,
.group:focus-within .mega-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.mega-card {
  display: block;
  padding: 16px;
  border-radius: 12px;
  background: #f7f8fa;
  transition: var(--transition);
}
.mega-card:hover {
  background: #f0f1f5;
  transform: translateY(-2px);
}

/* Hero */
.hero-section {
  position: relative;
  min-height: 680px;
  display: flex;
  align-items: center;
  background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(14, 26, 48, 0.92) 0%, rgba(14, 26, 48, 0.75) 45%, rgba(14, 26, 48, 0.35) 100%);
}
.hero-content { position: relative; z-index: 2; padding: 120px 0; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(203, 164, 85, 0.15);
  border: 1px solid rgba(203, 164, 85, 0.35);
  color: var(--accent);
  font-weight: 600;
  font-size: 13px;
  padding: 8px 20px;
  border-radius: 50px;
  letter-spacing: 0.5px;
}
.hero-title {
  font-size: clamp(36px, 5vw, 60px);
  font-weight: 800;
  line-height: 1.15;
  color: #fff;
  margin: 24px 0 20px;
  letter-spacing: -1px;
}
.hero-desc {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.8);
  max-width: 560px;
  line-height: 1.7;
}
.hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}
.hero-stat-num { font-size: 32px; font-weight: 800; color: #fff; }
.hero-stat-label { font-size: 13px; color: rgba(255, 255, 255, 0.6); margin-top: 4px; }

/* 板块标题 */
.section-tag {
  display: inline-block;
  background: rgba(203, 164, 85, 0.12);
  color: var(--accent);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 2px;
  padding: 6px 16px;
  border-radius: 50px;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 800;
  line-height: 1.25;
  color: var(--text);
  letter-spacing: -0.5px;
}
.section-desc {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 600px;
  margin-top: 12px;
  line-height: 1.6;
}

/* 特性卡片 */
.feature-card {
  background: var(--card);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  height: 100%;
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(203, 164, 85, 0.3);
}
.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 22px;
}
.icon-blue { background: rgba(52, 90, 146, 0.1); color: #345a92; }
.icon-gold { background: rgba(203, 164, 85, 0.12); color: var(--accent); }
.icon-green { background: rgba(16, 158, 102, 0.1); color: #109e66; }
.feature-title { font-size: 20px; font-weight: 700; margin-bottom: 10px; }
.feature-desc { font-size: 14px; color: var(--text-muted); line-height: 1.65; }

/* 分类卡片 */
.category-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: block;
  height: 100%;
}
.category-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}
.category-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.category-card:hover img { transform: scale(1.05); }
.category-body { padding: 24px; }
.category-badge {
  display: inline-block;
  background: rgba(203, 164, 85, 0.12);
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 50px;
  margin-bottom: 10px;
  letter-spacing: 1px;
}
.category-title { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.category-desc { font-size: 14px; color: var(--text-muted); line-height: 1.6; }
.category-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 14px;
  color: var(--accent);
  margin-top: 16px;
}
.category-link:hover { gap: 12px; }

/* 资讯卡片 */
.news-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 28px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: block;
  height: 100%;
}
.news-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(203, 164, 85, 0.25);
}
.news-tag {
  display: inline-block;
  background: rgba(52, 90, 146, 0.08);
  color: #345a92;
  font-size: 12px;
  font-weight: 600;
  padding: 3px 12px;
  border-radius: 50px;
}
.news-date { font-size: 12px; color: #94a3b8; }
.news-title {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  margin: 12px 0 8px;
  color: var(--text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-excerpt {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  background: var(--card);
  border-radius: var(--radius-lg);
  border: 1px dashed var(--border);
  color: var(--text-muted);
  font-size: 15px;
}
.empty-state i { font-size: 40px; color: #d0d5e0; margin-bottom: 16px; }

/* 数据统计 */
.stats-section {
  background: var(--bg-dark);
  background-image: url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  position: relative;
}
.stats-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(11, 19, 34, 0.88);
}
.stats-inner { position: relative; z-index: 2; }
.stat-card {
  text-align: center;
  padding: 32px 20px;
}
.stat-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 16px;
  border-radius: 16px;
  background: rgba(203, 164, 85, 0.15);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}
.stat-value {
  font-size: 40px;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  letter-spacing: -1px;
}
.stat-label { font-size: 14px; color: rgba(255, 255, 255, 0.6); margin-top: 8px; }

/* 流程 */
.process-step {
  position: relative;
  padding: 32px;
  background: var(--card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  height: 100%;
  text-align: center;
}
.process-step:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.step-num {
  width: 48px;
  height: 48px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, var(--accent), #b58a3a);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #0e1a30;
  font-weight: 800;
  font-size: 18px;
  box-shadow: 0 6px 16px rgba(203, 164, 85, 0.35);
}
.step-title { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.step-desc { font-size: 14px; color: var(--text-muted); line-height: 1.6; }
.step-arrow {
  position: absolute;
  right: -20px;
  top: 50%;
  transform: translateY(-50%);
  color: #c0c6d0;
  font-size: 18px;
  z-index: 3;
}
@media (max-width: 1024px) { .step-arrow { display: none; } }

/* FAQ */
.faq-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover { border-color: rgba(203, 164, 85, 0.3); box-shadow: var(--shadow-sm); }
.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 22px 28px;
  font-size: 16px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '\f107';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 16px;
  color: var(--accent);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}
.faq-item[open] summary::after {
  transform: rotate(180deg);
}
.faq-content {
  padding: 0 28px 22px;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* CTA */
.cta-section {
  background: linear-gradient(135deg, #0e1a30 0%, #142542 100%);
  border-radius: 32px;
  padding: 60px 48px;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 260px;
  height: 260px;
  background: rgba(203, 164, 85, 0.1);
  border-radius: 50%;
}
.cta-section::after {
  content: '';
  position: absolute;
  bottom: -60px;
  left: -60px;
  width: 200px;
  height: 200px;
  background: rgba(203, 164, 85, 0.06);
  border-radius: 50%;
}
.cta-content { position: relative; z-index: 2; }

/* Footer */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255, 255, 255, 0.75);
  padding-top: 80px;
}
.footer-brand { font-size: 20px; font-weight: 700; color: #fff; }
.footer-desc { font-size: 14px; line-height: 1.7; margin-top: 16px; max-width: 320px; }
.footer-title {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 12px;
}
.footer-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.footer-link {
  display: block;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
  padding: 7px 0;
  transition: var(--transition);
}
.footer-link:hover {
  color: var(--accent);
  padding-left: 8px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 28px 0;
  margin-top: 60px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
}

/* 移动端菜单 */
.mobile-menu {
  background: var(--bg-dark);
  padding: 0;
  max-height: calc(100vh - 80px);
  overflow-y: auto;
}
.mobile-nav-link {
  display: block;
  padding: 16px 28px;
  font-size: 16px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: var(--transition);
}
.mobile-nav-link:hover { background: rgba(255, 255, 255, 0.05); color: #fff; }
.mobile-nav-link.active { color: var(--accent); }

/* 通用工具类 */
.bg-section { background: #fff; }
.text-accent { color: var(--accent); }
.text-muted { color: var(--text-muted); }

/* 响应式微调 */
@media (max-width: 768px) {
  .hero-section { min-height: 560px; }
  .hero-content { padding: 90px 0; }
  .hero-stats { gap: 24px; }
  .hero-stat-num { font-size: 24px; }
  .section-padding { padding: 56px 0; }
  .cta-section { padding: 40px 24px; border-radius: 20px; }
}

/* roulang page: category1 */
:root {
            --primary: #1e3a8a;
            --primary-light: #3b5bdb;
            --accent: #f59e0b;
            --accent-light: #fbbf24;
            --deep-navy: #0f1e3d;
            --bg-light: #f8fafc;
            --bg-white: #ffffff;
            --text-main: #1e293b;
            --text-muted: #64748b;
            --border: #e2e8f0;
            --radius-lg: 1rem;
            --radius-md: 0.75rem;
            --radius-sm: 0.5rem;
            --shadow-sm: 0 1px 2px rgb(0 0 0 / 0.05);
            --shadow-md: 0 4px 16px rgb(0 0 0 / 0.07);
            --shadow-lg: 0 12px 32px rgb(0 0 0 / 0.09);
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
        }

        *,
        *::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-main);
            background: var(--bg-light);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease;
        }

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

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.55rem 1rem;
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--text-main);
            border-radius: 999px;
            transition: all 0.2s ease;
        }

        .nav-link:hover {
            background: rgb(30 58 138 / 0.06);
            color: var(--primary);
        }

        .nav-link.active {
            background: var(--primary);
            color: #fff;
        }

        .mega-dropdown {
            position: absolute;
            top: calc(100% + 8px);
            left: 50%;
            transform: translateX(-50%) translateY(8px);
            min-width: 480px;
            padding: 1.25rem;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border);
            opacity: 0;
            visibility: hidden;
            transition: all 0.25s ease;
            z-index: 50;
        }

        .group:hover .mega-dropdown {
            opacity: 1;
            visibility: visible;
            transform: translateX(-50%) translateY(0);
        }

        .mega-card {
            display: block;
            padding: 1rem;
            border-radius: var(--radius-md);
            background: var(--bg-light);
            border: 1px solid transparent;
            transition: all 0.25s ease;
        }

        .mega-card:hover {
            background: #fff;
            border-color: var(--border);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgb(255 255 255 / 0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 2.25rem;
            height: 2.25rem;
            border-radius: 0.65rem;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-size: 1rem;
            box-shadow: 0 2px 8px rgb(30 58 138 / 0.25);
        }

        .hero-banner-cat {
            position: relative;
            min-height: 380px;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
        }

        .hero-banner-cat::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgb(15 30 61 / 0.92) 0%, rgb(15 30 61 / 0.75) 50%, rgb(15 30 61 / 0.45) 100%);
        }

        .hero-banner-cat .container {
            position: relative;
            z-index: 2;
        }

        .category-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: #fff;
            border: 1px solid var(--border);
            transition: all 0.3s ease;
        }

        .category-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: rgb(30 58 138 / 0.15);
        }

        .step-card {
            position: relative;
            border-radius: var(--radius-lg);
            background: #fff;
            border: 1px solid var(--border);
            transition: all 0.3s ease;
        }

        .step-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 2.5rem;
            height: 2.5rem;
            border-radius: 0.75rem;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-weight: 700;
            font-size: 1.05rem;
            box-shadow: 0 4px 12px rgb(30 58 138 / 0.3);
        }

        .feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }

        .feature-card {
            padding: 1.75rem;
            border-radius: var(--radius-lg);
            background: #fff;
            border: 1px solid var(--border);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .feature-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .feature-card:hover::after {
            opacity: 1;
        }

        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            background: #fff;
            transition: all 0.25s ease;
            overflow: hidden;
        }

        .faq-item summary {
            cursor: pointer;
            list-style: none;
            padding: 1.25rem 1.5rem;
            font-weight: 600;
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: background 0.2s ease;
        }

        .faq-item summary:hover {
            background: var(--bg-light);
        }

        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.75rem;
            color: var(--text-muted);
            transition: transform 0.3s ease;
        }

        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }

        .faq-content {
            padding: 0 1.5rem 1.25rem;
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.8;
        }

        .info-card {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .info-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .info-card img {
            width: 100%;
            height: 190px;
            object-fit: cover;
        }

        .info-card-body {
            padding: 1.5rem;
        }

        .badge-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.375rem;
            padding: 0.25rem 0.75rem;
            border-radius: 999px;
            font-size: 0.7rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.625rem;
            padding: 0.75rem 1.75rem;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            border-radius: 999px;
            transition: all 0.25s ease;
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 16px rgb(30 58 138 / 0.25);
        }

        .btn-primary:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgb(30 58 138 / 0.35);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.625rem;
            padding: 0.75rem 1.75rem;
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            border-radius: 999px;
            transition: all 0.25s ease;
            cursor: pointer;
        }

        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgb(30 58 138 / 0.2);
        }

        .site-footer {
            background: var(--deep-navy);
            color: #94a3b8;
            padding: 4rem 0 2rem;
            margin-top: 5rem;
        }

        .footer-brand {
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff;
        }

        .footer-title {
            font-size: 0.85rem;
            font-weight: 700;
            color: #fff;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 1.25rem;
        }

        .footer-link {
            display: block;
            padding: 0.3rem 0;
            font-size: 0.85rem;
            color: #94a3b8;
            transition: all 0.2s ease;
        }

        .footer-link:hover {
            color: var(--accent-light);
            transform: translateX(3px);
        }

        .footer-desc {
            font-size: 0.85rem;
            line-height: 1.8;
            color: #94a3b8;
        }

        .footer-bottom {
            border-top: 1px solid rgb(255 255 255 / 0.1);
            padding-top: 1.75rem;
            margin-top: 2.5rem;
            font-size: 0.8rem;
            color: #64748b;
        }

        .mobile-nav {
            display: none;
        }

        .pagination-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.55rem 1.25rem;
            border-radius: 999px;
            font-size: 0.8rem;
            font-weight: 600;
            border: 1px solid var(--border);
            background: #fff;
            color: var(--text-main);
            transition: all 0.2s ease;
        }

        .pagination-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .pagination-active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        @media (max-width: 1024px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .mega-dropdown {
                display: none;
            }
        }

        @media (max-width: 768px) {
            .desktop-nav {
                display: none !important;
            }
            .mobile-nav {
                display: flex;
            }
            .hero-banner-cat {
                min-height: 320px;
                background-attachment: scroll;
            }
            .feature-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .info-card img {
                height: 160px;
            }
            .container {
                padding: 0 1rem;
            }
        }

        @media (max-width: 520px) {
            html {
                font-size: 14px;
            }
            .hero-banner-cat {
                min-height: 280px;
            }
            .mega-dropdown {
                min-width: 260px;
            }
        }

        .breadcrumb-item {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.8rem;
            color: #e2e8f0;
        }

        .breadcrumb-item a {
            color: #e2e8f0;
        }

        .breadcrumb-item a:hover {
            color: var(--accent-light);
        }

        .breadcrumb-item::after {
            content: '/';
            margin-left: 0.5rem;
            color: #64748b;
        }

        .breadcrumb-item:last-child::after {
            display: none;
        }

        @keyframes slideUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-slide-up {
            animation: slideUp 0.6s ease forwards;
        }

        @keyframes floaty {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-10px);
            }
        }

        .float-animation {
            animation: floaty 4s ease-in-out infinite;
        }

/* roulang page: article */
:root {
    --primary: #0e2f4f;
    --primary-light: #1a4168;
    --accent: #f59d2e;
    --accent-hover: #d97706;
    --bg: #f4f6f9;
    --white: #ffffff;
    --text: #1e293b;
    --muted: #64748b;
    --border: #e2e8f0;
    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-sm: 8px;
    --shadow-sm: 0 2px 8px rgba(14,47,79,0.06);
    --shadow-md: 0 4px 20px rgba(14,47,79,0.08);
    --shadow-lg: 0 16px 48px rgba(14,47,79,0.14);
    --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
  }

  * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  html {
    scroll-behavior: smooth;
  }
  body {
    font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }
  img {
    max-width: 100%;
    height: auto;
    display: block;
  }
  a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
  }
  button {
    cursor: pointer;
    font-family: inherit;
  }
  input, select, textarea {
    font-family: inherit;
  }

  .container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
  }
  @media (max-width: 768px) {
    .container { padding: 0 16px; }
  }

  /* ===== Header ===== */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 2px 12px rgba(14,47,79,0.04);
  }
  .logo-icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 18px;
    box-shadow: 0 4px 12px rgba(14,47,79,0.25);
  }
  .logo-text {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.02em;
  }
  .logo-text span {
    color: var(--accent);
  }

  .nav-link {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 10px 16px;
    border-radius: 10px;
    font-size: 14.5px;
    font-weight: 600;
    color: #334155;
    transition: var(--transition);
    white-space: nowrap;
  }
  .nav-link:hover {
    background: rgba(245,157,46,0.12);
    color: var(--primary);
    transform: translateY(-1px);
  }
  .nav-link.active {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 14px rgba(14,47,79,0.25);
  }

  .mega-dropdown {
    position: absolute;
    top: calc(100% + 12px);
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    width: 520px;
    background: #fff;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    padding: 22px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 60;
  }
  .mega-dropdown::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 16px;
    height: 16px;
    background: #fff;
    border-left: 1px solid var(--border);
    border-top: 1px solid var(--border);
    rotate: 45deg;
  }
  .group:hover .mega-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
  }
  .mega-card {
    display: block;
    padding: 14px;
    border-radius: 12px;
    background: #f8fafc;
    transition: var(--transition);
  }
  .mega-card:hover {
    background: rgba(245,157,46,0.1);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
  }

  .mobile-menu-btn {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--primary);
    transition: var(--transition);
  }
  .mobile-menu-btn:hover {
    background: var(--primary);
    color: #fff;
  }

  .mobile-menu {
    display: none;
    border-top: 1px solid var(--border);
    background: #fff;
    padding: 16px 20px;
  }
  .mobile-menu.open {
    display: block;
    animation: slideDown 0.3s ease;
  }
  @keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
  }
  .mobile-menu a {
    display: block;
    padding: 12px 14px;
    border-radius: 10px;
    font-weight: 600;
    color: var(--text);
    transition: var(--transition);
  }
  .mobile-menu a:hover {
    background: rgba(245,157,46,0.1);
    color: var(--primary);
  }

  @media (max-width: 1024px) {
    .desktop-nav { display: none !important; }
    .mobile-menu-btn { display: flex !important; }
  }
  @media (min-width: 1025px) {
    .mobile-menu-btn { display: none !important; }
  }

  /* ===== Buttons ===== */
  .btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 12px;
    background: var(--primary);
    color: #fff;
    font-weight: 700;
    font-size: 15px;
    transition: var(--transition);
    box-shadow: 0 4px 14px rgba(14,47,79,0.2);
    border: none;
  }
  .btn-primary:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(14,47,79,0.25);
  }
  .btn-accent {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 12px;
    background: var(--accent);
    color: #fff;
    font-weight: 700;
    font-size: 15px;
    transition: var(--transition);
    box-shadow: 0 4px 14px rgba(245,157,46,0.25);
    border: none;
  }
  .btn-accent:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(245,157,46,0.35);
  }
  .btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 12px;
    background: transparent;
    color: var(--primary);
    font-weight: 600;
    font-size: 15px;
    border: 1.5px solid var(--primary);
    transition: var(--transition);
  }
  .btn-outline:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-2px);
  }
  .btn:focus-visible,
  .nav-link:focus-visible,
  a:focus-visible,
  button:focus-visible {
    outline: 3px solid rgba(245,157,46,0.5);
    outline-offset: 2px;
  }

  /* ===== Article Hero ===== */
  .article-hero {
    position: relative;
    padding: 72px 0 96px;
    background: linear-gradient(135deg, rgba(14,47,79,0.92) 0%, rgba(14,47,79,0.75) 60%, rgba(245,157,46,0.35) 100%), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
    color: #fff;
    text-align: center;
    overflow: hidden;
  }
  .article-hero::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 60px;
    background: var(--bg);
    clip-path: polygon(0 100%, 100% 0, 100% 100%);
    opacity: 0.9;
  }
  .breadcrumb {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(8px);
    border-radius: 999px;
    padding: 8px 20px;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 32px;
    color: rgba(255,255,255,0.9);
  }
  .breadcrumb a:hover {
    color: var(--accent);
  }
  .category-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--accent);
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    padding: 6px 18px;
    border-radius: 999px;
    box-shadow: 0 4px 12px rgba(245,157,46,0.3);
    margin-bottom: 20px;
  }

  .article-title {
    font-size: clamp(1.75rem, 4vw, 3rem);
    font-weight: 800;
    line-height: 1.25;
    letter-spacing: -0.02em;
    max-width: 880px;
    margin: 0 auto 24px;
    text-shadow: 0 2px 20px rgba(0,0,0,0.2);
  }
  .article-desc {
    font-size: clamp(1rem, 1.6vw, 1.125rem);
    color: rgba(255,255,255,0.85);
    max-width: 700px;
    margin: 0 auto 30px;
    line-height: 1.7;
  }
  .article-meta {
    display: flex;
    justify-content: center;
    gap: 28px;
    flex-wrap: wrap;
    font-size: 14px;
    color: rgba(255,255,255,0.8);
  }
  .article-meta span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.12);
    backdrop-filter: blur(4px);
    padding: 6px 16px;
    border-radius: 999px;
  }
  .article-meta i {
    color: var(--accent);
  }

  /* ===== Article body ===== */
  .article-layout {
    position: relative;
    margin-top: -48px;
    z-index: 10;
  }
  .article-main {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: clamp(24px, 4vw, 48px);
  }
  .article-content {
    font-size: 1.0625rem;
    line-height: 1.85;
    color: #334155;
  }
  .article-content h1,
  .article-content h2 {
    font-size: 1.625rem;
    font-weight: 800;
    color: var(--primary);
    margin: 2.2rem 0 1rem;
    padding-left: 16px;
    border-left: 4px solid var(--accent);
    border-radius: 2px;
  }
  .article-content h3 {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--primary);
    margin: 1.8rem 0 0.8rem;
  }
  .article-content h4 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--primary);
    margin: 1.5rem 0 0.6rem;
  }
  .article-content p {
    margin-bottom: 1.5rem;
    color: #3f4a5c;
  }
  .article-content a {
    color: var(--accent-hover);
    text-decoration: underline;
    text-decoration-color: rgba(245,157,46,0.4);
    text-underline-offset: 4px;
  }
  .article-content a:hover {
    color: var(--primary);
    text-decoration-color: var(--primary);
  }
  .article-content strong {
    color: var(--primary);
    font-weight: 700;
  }
  .article-content ul,
  .article-content ol {
    margin: 0 0 1.75rem;
    padding-left: 1.75rem;
  }
  .article-content ul li {
    list-style: disc;
    margin-bottom: 0.5rem;
    padding-left: 4px;
  }
  .article-content ol li {
    list-style: decimal;
    margin-bottom: 0.5rem;
    padding-left: 4px;
  }
  .article-content blockquote {
    margin: 2rem 0;
    padding: 20px 24px;
    background: rgba(245,157,46,0.08);
    border-left: 4px solid var(--accent);
    border-radius: 0 12px 12px 0;
    font-style: italic;
    color: #475569;
  }
  .article-content img {
    border-radius: 14px;
    margin: 2rem auto;
    box-shadow: var(--shadow-md);
  }
  .article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
  }
  .article-content th,
  .article-content td {
    padding: 12px 16px;
    border: 1px solid var(--border);
    text-align: left;
  }
  .article-content th {
    background: var(--primary);
    color: #fff;
    font-weight: 600;
  }
  .article-content td {
    background: #fff;
  }
  .article-content pre {
    background: #0f172a;
    color: #e2e8f0;
    padding: 20px 24px;
    border-radius: 12px;
    overflow-x: auto;
    font-size: 14px;
    margin: 2rem 0;
  }
  .article-content code {
    background: rgba(14,47,79,0.08);
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 0.9em;
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
  }
  .article-content pre code {
    background: transparent;
    padding: 0;
    color: inherit;
  }
  @media (max-width: 768px) {
    .article-content { font-size: 1rem; }
    .article-content h1,
    .article-content h2 { font-size: 1.4rem; }
  }

  /* Tag list */
  .article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 36px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
  }
  .article-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 16px;
    border-radius: 999px;
    background: #f1f5f9;
    font-size: 13px;
    font-weight: 600;
    color: #475569;
    transition: var(--transition);
  }
  .article-tag:hover {
    background: rgba(245,157,46,0.15);
    color: var(--primary);
  }
  .article-tag i {
    color: var(--accent);
    font-size: 11px;
  }

  .share-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 20px;
    flex-wrap: wrap;
  }
  .share-btn {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: #f1f5f9;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #475569;
    transition: var(--transition);
    font-size: 15px;
  }
  .share-btn:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-2px);
  }

  /* card */
  .cat-card {
    display: block;
    background: #fff;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    padding: 28px 24px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
  }
  .cat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--primary));
    opacity: 0;
    transition: var(--transition);
  }
  .cat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: transparent;
  }
  .cat-card:hover::before {
    opacity: 1;
  }

  .faq-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
  }
  .faq-item:hover {
    box-shadow: var(--shadow-sm);
  }
  .faq-answer {
    display: none;
    padding: 0 24px 20px;
    color: var(--muted);
    font-size: 14.5px;
    line-height: 1.75;
    border-top: 1px dashed var(--border);
    padding-top: 16px;
  }
  .faq-item.active .faq-answer {
    display: block;
    animation: fadeIn 0.3s ease;
  }
  .faq-item.active .faq-question i.fa-chevron-down {
    transform: rotate(180deg);
  }
  .faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px;
    cursor: pointer;
    font-weight: 600;
    color: var(--primary);
    font-size: 15.5px;
  }
  .faq-question i {
    transition: transform 0.3s ease;
    color: var(--accent);
  }
  @keyframes fadeIn {
    from { opacity: 0; transform: translateY(-6px); }
    to { opacity: 1; transform: translateY(0); }
  }

  /* CTA */
  .cta-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: 24px;
    padding: 56px 48px;
    color: #fff;
    position: relative;
    overflow: hidden;
  }
  .cta-section::before {
    content: '';
    position: absolute;
    top: -40px;
    right: -40px;
    width: 200px;
    height: 200px;
    background: rgba(245,157,46,0.2);
    border-radius: 50%;
  }
  .cta-section::after {
    content: '';
    position: absolute;
    bottom: -60px;
    left: 20%;
    width: 160px;
    height: 160px;
    background: rgba(245,157,46,0.12);
    border-radius: 50%;
  }

  /* Footer */
  .site-footer {
    background: #0f1d2e;
    color: rgba(255,255,255,0.8);
    padding: 64px 0 32px;
    margin-top: 80px;
  }
  .footer-brand {
    font-size: 1.5rem;
    font-weight: 800;
    color: #fff;
  }
  .footer-brand span {
    color: var(--accent);
  }
  .footer-desc {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255,255,255,0.6);
    margin-top: 12px;
  }
  .footer-title {
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #fff;
    margin-bottom: 18px;
    padding-bottom: 10px;
    border-bottom: 2px solid rgba(245,157,46,0.4);
    display: inline-block;
  }
  .footer-link {
    display: block;
    padding: 6px 0;
    font-size: 14px;
    color: rgba(255,255,255,0.6);
    transition: var(--transition);
  }
  .footer-link:hover {
    color: var(--accent);
    transform: translateX(4px);
  }
  .footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 24px;
    margin-top: 40px;
    font-size: 13px;
    color: rgba(255,255,255,0.45);
  }

  /* Not found */
  .not-found {
    padding: 80px 0;
    text-align: center;
  }

  @media (max-width: 520px) {
    .article-hero { padding: 48px 0 72px; }
    .article-main { padding: 20px; margin-top: -32px; }
    .cta-section { padding: 36px 24px; }
    .article-meta { flex-direction: column; gap: 10px; }
    .breadcrumb { padding: 6px 14px; font-size: 12px; }
  }

/* roulang page: category2 */
:root {
    --primary: #0b1120;
    --primary-light: #162032;
    --accent: #e8a33c;
    --accent-dark: #c98a2e;
    --bg: #f5f7fa;
    --text: #1e293b;
    --muted: #64748b;
    --border: #e2e8f0;
    --radius: 16px;
    --shadow: 0 6px 28px rgba(2, 6, 23, .08);
    --shadow-lg: 0 16px 40px rgba(2, 6, 23, .12);
    --transition: all .3s cubic-bezier(.4, 0, .2, 1);
  }

  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Segoe UI", Roboto, "Microsoft YaHei", sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
  }
  .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
  img { max-width: 100%; height: auto; display: block; }
  a { text-decoration: none; color: inherit; transition: var(--transition); }
  button { border: none; outline: none; background: none; cursor: pointer; }
  input, textarea { font-family: inherit; }

  .site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(11, 17, 32, .92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, .08);
  }
  .header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
  .logo-icon {
    width: 40px; height: 40px; border-radius: 12px;
    background: linear-gradient(135deg, var(--accent) 0%, #f7c565 100%);
    display: flex; align-items: center; justify-content: center;
    color: #0b1120; font-size: 18px;
    box-shadow: 0 4px 16px rgba(232, 163, 60, .35);
  }
  .logo-text { font-size: 20px; font-weight: 800; color: #fff; letter-spacing: .5px; }
  .nav-link {
    display: flex; align-items: center; gap: 6px;
    font-size: 14px; font-weight: 600;
    color: #94a3b8; padding: 10px 16px; border-radius: 10px;
    transition: var(--transition);
  }
  .nav-link:hover, .nav-link.active { color: #fff; background: rgba(255, 255, 255, .1); }
  .nav-link.active { color: var(--accent); }
  .mega-dropdown {
    position: absolute; top: 100%; left: 0; z-index: 50;
    background: #fff; border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, .18);
    padding: 20px; min-width: 520px;
    opacity: 0; visibility: hidden; transform: translateY(12px);
    transition: var(--transition);
    border: 1px solid var(--border);
  }
  .group:hover .mega-dropdown { opacity: 1; visibility: visible; transform: translateY(8px); }
  .mega-card {
    display: block; padding: 16px; border-radius: 12px;
    background: var(--soft); border: 1px solid transparent;
    transition: var(--transition);
  }
  .mega-card:hover { background: #fff; border-color: var(--border); transform: translateY(-2px); box-shadow: var(--shadow); }
  .mega-card .text-xs { color: var(--accent); }
  .mega-card .text-sm { color: var(--text); }
  .mega-card .text-[11px] { color: var(--muted); }

  .btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 28px; border-radius: 12px; font-size: 14px; font-weight: 700; transition: var(--transition); cursor: pointer; }
  .btn-primary { background: var(--accent); color: #0b1120; box-shadow: 0 4px 20px rgba(232, 163, 60, .35); }
  .btn-primary:hover { background: #f0b54d; transform: translateY(-2px); box-shadow: 0 8px 30px rgba(232, 163, 60, .4); }
  .btn-outline { border: 2px solid rgba(255, 255, 255, .4); color: #fff; background: transparent; }
  .btn-outline:hover { border-color: #fff; background: rgba(255, 255, 255, .12); }
  .btn-dark { background: var(--primary); color: #fff; }
  .btn-dark:hover { background: #1e293b; transform: translateY(-2px); box-shadow: var(--shadow); }
  .btn-sm { padding: 8px 20px; font-size: 13px; border-radius: 10px; }

  .mobile-menu-btn { color: #fff; font-size: 22px; padding: 8px; border-radius: 8px; }
  .mobile-menu-btn:hover { background: rgba(255,255,255,.1); }
  .mobile-nav {
    display: none; background: var(--primary); padding: 8px 24px 24px;
    border-top: 1px solid rgba(255,255,255,.06);
  }
  .mobile-nav.open { display: block; }
  .mobile-nav a.mobile-link {
    display: block; padding: 14px 12px; color: #94a3b8; font-size: 15px; font-weight: 600;
    border-radius: 10px; margin-bottom: 4px;
  }
  .mobile-nav a.mobile-link:hover, .mobile-nav a.mobile-link.active { color: #fff; background: rgba(255,255,255,.08); }
  .mobile-sub { padding-left: 20px; }

  .page-hero {
    position: relative;
    background-size: cover; background-position: center;
    padding: 110px 0 90px;
    color: #fff;
  }
  .page-hero::before {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(120deg, rgba(11,17,32,.92) 45%, rgba(11,17,32,.55) 100%);
  }
  .page-hero .container { position: relative; z-index: 2; }
  .hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(232,163,60,.18); border: 1px solid rgba(232,163,60,.4);
    color: #f7c565; font-size: 12px; font-weight: 700;
    padding: 6px 16px; border-radius: 30px; letter-spacing: 1px;
    margin-bottom: 20px;
  }
  .breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: rgba(255,255,255,.6); margin-bottom: 16px; flex-wrap: wrap; }
  .breadcrumb a:hover { color: var(--accent); }
  .breadcrumb .sep { color: rgba(255,255,255,.4); font-size: 10px; }

  .section { padding: 90px 0; }
  .section-head { text-align: center; max-width: 640px; margin: 0 auto 56px; }
  .section-tag {
    display: inline-block; font-size: 12px; font-weight: 800; letter-spacing: 2px;
    background: rgba(232,163,60,.12); color: var(--accent-dark);
    padding: 6px 18px; border-radius: 30px; margin-bottom: 12px;
  }
  .section-title { font-size: clamp(28px, 3.2vw, 38px); font-weight: 800; line-height: 1.3; color: var(--primary); margin-bottom: 12px; letter-spacing: -1px; }
  .section-subtitle { font-size: 15px; color: var(--muted); line-height: 1.7; }

  .card {
    background: #fff; border-radius: var(--radius);
    border: 1px solid var(--border);
    overflow: hidden; transition: var(--transition);
  }
  .card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(232,163,60,.3); }
  .card-img { position: relative; height: 200px; overflow: hidden; }
  .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
  .card:hover .card-img img { transform: scale(1.06); }
  .card-img::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 60%, rgba(11,17,32,.5)); }
  .card-tag {
    position: absolute; top: 16px; left: 16px; z-index: 2;
    background: rgba(255,255,255,.95); color: var(--accent-dark);
    font-size: 11px; font-weight: 800; padding: 5px 14px; border-radius: 20px;
    backdrop-filter: blur(4px);
  }
  .card-body { padding: 24px; }
  .card-body h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; color: var(--primary); line-height: 1.4; }
  .card-body p { font-size: 13px; color: var(--muted); line-height: 1.7; margin-bottom: 16px; }
  .card-link { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 700; color: var(--accent-dark); }
  .card-link:hover { color: var(--accent); gap: 10px; }

  .feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
  .feature-img { border-radius: 20px; overflow: hidden; box-shadow: var(--shadow-lg); position: relative; }
  .feature-img img { width: 100%; height: 100%; object-fit: cover; min-height: 380px; }
  .feature-img .play-btn {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
    width: 72px; height: 72px; border-radius: 50%;
    background: rgba(255,255,255,.9); color: var(--primary);
    display: flex; align-items: center; justify-content: center; font-size: 22px;
    box-shadow: 0 8px 32px rgba(0,0,0,.3); transition: var(--transition);
  }
  .feature-img:hover .play-btn { transform: translate(-50%, -50%) scale(1.1); background: var(--accent); color: #fff; }
  .feature-content h2 { font-size: clamp(26px, 3vw, 36px); font-weight: 800; line-height: 1.3; color: var(--primary); margin-bottom: 18px; }
  .feature-content p { color: var(--muted); line-height: 1.75; margin-bottom: 20px; }
  .feature-list { list-style: none; margin-top: 20px; }
  .feature-list li { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 14px; font-size: 14px; color: var(--text); }
  .feature-list li i { color: var(--accent); font-size: 18px; width: 22px; height: 22px; display: flex; align-items: center; justify-content: center; background: rgba(232,163,60,.12); border-radius: 6px; margin-top: 2px; }

  .stats-section {
    position: relative;
    background-size: cover; background-position: center;
    background-attachment: fixed;
    padding: 90px 0; color: #fff;
  }
  .stats-section::before { content: ''; position: absolute; inset: 0; background: rgba(11,17,32,.85); }
  .stats-section .container { position: relative; z-index: 2; }
  .stat-card { text-align: center; padding: 36px 24px; border-radius: var(--radius); background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.15); transition: var(--transition); }
  .stat-card:hover { background: rgba(255,255,255,.14); transform: translateY(-4px); }
  .stat-number { font-size: 44px; font-weight: 800; color: var(--accent); line-height: 1.1; margin-bottom: 8px; }
  .stat-label { font-size: 13px; color: rgba(255,255,255,.7); letter-spacing: 1px; }

  .step-wrap { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
  .step-card {
    background: #fff; border-radius: var(--radius); border: 1px solid var(--border);
    padding: 32px 24px; text-align: center; position: relative; transition: var(--transition);
  }
  .step-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
  .step-num {
    position: absolute; top: -1px; inset-inline-start: 24px;
    font-size: 64px; font-weight: 900; color: rgba(232,163,60,.15);
    line-height: 1; pointer-events: none;
  }
  .step-icon {
    width: 56px; height: 56px; border-radius: 16px;
    background: linear-gradient(135deg, var(--accent), #f0b54d);
    display: flex; align-items: center; justify-content: center;
    font-size: 22px; color: #0b1120; margin: 0 auto 18px;
    position: relative; z-index: 1; box-shadow: 0 8px 20px rgba(232,163,60,.3);
  }
  .step-card h3 { font-size: 17px; font-weight: 700; color: var(--primary); margin-bottom: 10px; }
  .step-card p { font-size: 13px; color: var(--muted); line-height: 1.6; }

  .faq-wrap { max-width: 780px; margin: 0 auto; }
  .faq-item { background: #fff; border: 1px solid var(--border); border-radius: 16px; margin-bottom: 14px; overflow: hidden; transition: var(--transition); }
  .faq-item:hover { border-color: rgba(232,163,60,.4); box-shadow: var(--shadow); }
  .faq-item summary {
    list-style: none; display: flex; align-items: center; justify-content: space-between;
    padding: 22px 26px; cursor: pointer; font-size: 15px; font-weight: 700; color: var(--primary);
  }
  .faq-item summary::-webkit-details-marker { display: none; }
  .faq-item summary .faq-icon { color: var(--accent); font-size: 14px; width: 28px; height: 28px; border-radius: 50%; background: rgba(232,163,60,.12); display: flex; align-items: center; justify-content: center; transition: transform .3s; flex-shrink: 0; }
  .faq-item[open] summary .faq-icon { transform: rotate(45deg); }
  .faq-item .faq-body { padding: 0 26px 20px; font-size: 13px; color: var(--muted); line-height: 1.8; }

  .cta-section { position: relative; background: var(--primary); overflow: hidden; }
  .cta-section::before, .cta-section::after {
    content: ''; position: absolute; width: 300px; height: 300px; border-radius: 50%;
    background: rgba(232,163,60,.1); filter: blur(80px);
  }
  .cta-section::before { top: -100px; left: 10%; }
  .cta-section::after { bottom: -120px; right: 10%; background: rgba(232,163,60,.16); }
  .cta-inner { position: relative; z-index: 2; text-align: center; padding: 80px 24px; }
  .cta-inner h2 { font-size: clamp(28px, 3.4vw, 40px); font-weight: 800; color: #fff; margin-bottom: 14px; }
  .cta-inner p { color: rgba(255,255,255,.65); font-size: 15px; max-width: 560px; margin: 0 auto 30px; }

  .site-footer { background: #070d18; color: #94a3b8; padding: 60px 0 0; }
  .site-footer .container { padding: 0 24px; }
  .footer-brand { font-size: 20px; font-weight: 800; color: #fff; }
  .footer-desc { font-size: 13px; line-height: 1.8; color: #7c8ba1; margin-top: 12px; }
  .footer-title { font-size: 14px; font-weight: 700; color: #fff; margin-bottom: 18px; letter-spacing: 1px; text-transform: uppercase; }
  .footer-link { display: block; font-size: 13px; color: #7c8ba1; padding: 6px 0; transition: var(--transition); }
  .footer-link:hover { color: var(--accent); transform: translateX(4px); }
  .footer-bottom { border-top: 1px solid rgba(255,255,255,.08); margin-top: 40px; padding: 22px 0; font-size: 12px; color: #64748b; }

  .page-hero-title { font-size: clamp(36px, 5vw, 54px); font-weight: 800; line-height: 1.15; color: #fff; margin-bottom: 18px; }
  .page-hero-desc { font-size: 16px; color: rgba(255,255,255,.75); max-width: 640px; }

  .bg-soft { background: var(--soft); }

  @media (max-width: 1024px) {
    .step-wrap { grid-template-columns: repeat(2, 1fr); }
    .feature-grid { grid-template-columns: 1fr; gap: 40px; }
    .mega-dropdown { display: none; }
  }
  @media (max-width: 640px) {
    .section { padding: 60px 0; }
    .page-hero { padding: 80px 0 60px; }
    .step-wrap { grid-template-columns: 1fr; }
    .stat-card { padding: 24px; }
    .stat-number { font-size: 34px; }
    .page-hero-title { font-size: 30px; }
    .cta-inner { padding: 50px 16px; }
    .footer-bottom { flex-direction: column; text-align: center; }
  }

/* roulang page: category3 */
:root {
      --primary: #065f46;
      --primary-dark: #064e3b;
      --accent: #f59e0b;
      --accent-light: #fbbf24;
      --bg: #f8fafc;
      --bg-deep: #ecfdf5;
      --text: #1e293b;
      --text-muted: #64748b;
      --border: #e2e8f0;
      --radius: 16px;
      --radius-lg: 24px;
      --shadow: 0 10px 30px rgba(15, 23, 42, .08);
      --shadow-lg: 0 24px 50px rgba(15, 23, 42, .12);
      --text-white: #ffffff;
      --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      font-family: var(--font-sans);
      background: var(--bg);
      color: var(--text);
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }
    img {
      max-width: 100%;
      display: block;
    }
    a {
      text-decoration: none;
      color: inherit;
      transition: all .3s ease;
    }
    button {
      font-family: inherit;
      cursor: pointer;
    }
    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, .92);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid rgba(226, 232, 240, .7);
      box-shadow: 0 2px 20px rgba(15, 23, 42, .04);
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
      gap: 16px;
    }
    .logo-icon {
      width: 42px;
      height: 42px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 12px;
      background: linear-gradient(135deg, var(--primary), #0d9488);
      color: #fff;
      font-size: 18px;
      box-shadow: 0 8px 18px rgba(6, 95, 70, .28);
    }
    .logo-text {
      font-size: 22px;
      font-weight: 800;
      letter-spacing: .5px;
      background: linear-gradient(120deg, var(--primary), #0d9488);
      -webkit-background-clip: text;
      background-clip: text;
      -webkit-text-fill-color: transparent;
      white-space: nowrap;
    }
    .nav-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 10px 14px;
      border-radius: 10px;
      font-size: 15px;
      font-weight: 600;
      color: #475569;
      transition: all .25s ease;
    }
    .nav-link:hover {
      color: var(--primary);
      background: var(--bg-deep);
    }
    .nav-link.active {
      color: var(--primary);
      background: rgba(6, 95, 70, .08);
    }
    .mega-dropdown {
      position: absolute;
      top: 100%;
      left: 50%;
      transform: translateX(-50%) translateY(12px);
      width: 540px;
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      box-shadow: var(--shadow-lg);
      padding: 20px;
      opacity: 0;
      visibility: hidden;
      transition: all .3s ease;
      z-index: 99;
    }
    .group:hover .mega-dropdown {
      opacity: 1;
      visibility: visible;
      transform: translateX(-50%) translateY(0);
    }
    .mega-card {
      display: block;
      padding: 14px 16px;
      border-radius: 12px;
      background: #f8fafc;
      border: 1px solid transparent;
      transition: all .25s ease;
    }
    .mega-card:hover {
      background: #ecfdf5;
      border-color: #a7f3d0;
      transform: translateY(-2px);
    }
    .btn-primary {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: linear-gradient(135deg, var(--primary), #0d9488);
      color: #fff;
      font-weight: 700;
      font-size: 15px;
      padding: 12px 28px;
      border-radius: 12px;
      border: none;
      box-shadow: 0 8px 22px rgba(6, 95, 70, .3);
      transition: all .3s ease;
    }
    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 14px 30px rgba(6, 95, 70, .32);
    }
    .btn-outline {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      border: 2px solid rgba(255, 255, 255, .6);
      color: #fff;
      font-weight: 600;
      padding: 12px 28px;
      border-radius: 12px;
      transition: all .3s ease;
      background: rgba(255, 255, 255, .08);
      backdrop-filter: blur(4px);
    }
    .btn-outline:hover {
      background: rgba(255, 255, 255, .18);
      border-color: #fff;
    }
    .page-banner {
      position: relative;
      padding: 100px 0 80px;
      background-image: linear-gradient(100deg, rgba(6, 78, 59, .95), rgba(13, 148, 136, .82)), url('/assets/images/backpic/back-2.png');
      background-size: cover;
      background-position: center;
      color: #fff;
    }
    .breadcrumb {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      font-weight: 500;
      background: rgba(255, 255, 255, .15);
      backdrop-filter: blur(4px);
      border-radius: 999px;
      padding: 8px 18px;
      margin-bottom: 24px;
      color: #d1fae5;
    }
    .breadcrumb a {
      opacity: .8;
    }
    .breadcrumb a:hover {
      opacity: 1;
    }
    .page-title {
      font-size: clamp(32px, 5vw, 52px);
      font-weight: 900;
      line-height: 1.2;
      letter-spacing: 1px;
      margin-bottom: 16px;
    }
    .page-subtitle {
      font-size: 17px;
      line-height: 1.8;
      color: rgba(255, 255, 255, .88);
      max-width: 640px;
    }
    .section {
      padding: 88px 0;
    }
    .section-alt {
      background: var(--bg-deep);
    }
    .section-label {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(6, 95, 70, .1);
      color: var(--primary);
      font-weight: 700;
      font-size: 13px;
      letter-spacing: 2px;
      padding: 8px 18px;
      border-radius: 999px;
      text-transform: uppercase;
      margin-bottom: 16px;
    }
    .section-title {
      font-size: clamp(26px, 4vw, 38px);
      font-weight: 800;
      line-height: 1.3;
      margin-bottom: 16px;
      letter-spacing: .5px;
    }
    .section-desc {
      color: var(--text-muted);
      font-size: 16px;
      line-height: 1.8;
      max-width: 720px;
    }
    .card {
      background: #fff;
      border-radius: var(--radius);
      border: 1px solid rgba(226, 232, 240, .7);
      box-shadow: var(--shadow);
      padding: 30px;
      transition: all .3s ease;
    }
    .card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
      border-color: rgba(6, 95, 70, .15);
    }
    .card-icon {
      width: 56px;
      height: 56px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 14px;
      font-size: 22px;
      margin-bottom: 18px;
      background: var(--bg-deep);
      color: var(--primary);
    }
    .card-title {
      font-size: 18px;
      font-weight: 800;
      margin-bottom: 8px;
      line-height: 1.4;
    }
    .card-text {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.8;
    }
    .stat-card {
      background: #fff;
      border-radius: var(--radius);
      padding: 28px 20px;
      text-align: center;
      box-shadow: var(--shadow);
      border: 1px solid rgba(226, 232, 240, .6);
      transition: all .3s ease;
    }
    .stat-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
    }
    .stat-number {
      font-size: 38px;
      font-weight: 900;
      background: linear-gradient(135deg, var(--primary), #0d9488);
      -webkit-background-clip: text;
      background-clip: text;
      -webkit-text-fill-color: transparent;
      line-height: 1.2;
    }
    .stat-label {
      font-size: 14px;
      color: var(--text-muted);
      font-weight: 600;
      margin-top: 8px;
    }
    .step-card {
      position: relative;
      background: #fff;
      border-radius: var(--radius);
      padding: 34px 28px;
      box-shadow: var(--shadow);
      border-top: 4px solid var(--primary);
      transition: all .3s ease;
    }
    .step-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-lg);
    }
    .step-num {
      font-size: 44px;
      font-weight: 900;
      color: rgba(6, 95, 70, .1);
      line-height: 1;
      margin-bottom: 16px;
    }
    .step-title {
      font-size: 18px;
      font-weight: 800;
      margin-bottom: 8px;
    }
    .step-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.8;
    }
    .article-card {
      display: flex;
      gap: 20px;
      background: #fff;
      border-radius: var(--radius);
      padding: 18px;
      border: 1px solid rgba(226, 232, 240, .7);
      box-shadow: var(--shadow);
      transition: all .3s ease;
    }
    .article-card:hover {
      transform: translateX(6px);
      box-shadow: var(--shadow-lg);
      border-color: rgba(6, 95, 70, .2);
    }
    .article-thumb {
      width: 120px;
      height: 90px;
      border-radius: 12px;
      object-fit: cover;
      flex-shrink: 0;
    }
    .article-tag {
      display: inline-block;
      font-size: 12px;
      font-weight: 700;
      color: var(--primary);
      background: var(--bg-deep);
      padding: 2px 12px;
      border-radius: 999px;
      margin-bottom: 6px;
    }
    .article-title {
      font-size: 16px;
      font-weight: 700;
      line-height: 1.5;
      margin-bottom: 4px;
    }
    .article-title a:hover {
      color: var(--primary);
    }
    .article-meta {
      font-size: 13px;
      color: var(--text-muted);
    }
    .faq-item {
      background: #fff;
      border-radius: var(--radius);
      border: 1px solid rgba(226, 232, 240, .7);
      box-shadow: var(--shadow);
      margin-bottom: 16px;
      overflow: hidden;
      transition: all .3s ease;
    }
    .faq-item:hover {
      border-color: rgba(6, 95, 70, .25);
    }
    .faq-question {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 20px 24px;
      font-size: 16px;
      font-weight: 700;
      cursor: pointer;
      transition: all .3s;
    }
    .faq-question i {
      color: var(--primary);
      transition: transform .3s;
    }
    .faq-answer {
      padding: 0 24px;
      max-height: 0;
      overflow: hidden;
      transition: all .4s ease;
      color: var(--text-muted);
      font-size: 15px;
      line-height: 1.8;
      background: #f8fafc;
    }
    .faq-item.open .faq-answer {
      padding: 16px 24px 24px;
      max-height: 500px;
    }
    .faq-item.open .faq-question i {
      transform: rotate(180deg);
    }
    .cta-section {
      position: relative;
      padding: 80px 0;
      background-image: linear-gradient(120deg, rgba(6, 78, 59, .93), rgba(13, 148, 136, .85)), url('/assets/images/backpic/back-1.png');
      background-size: cover;
      background-position: center;
      color: #fff;
      border-radius: 0;
    }
    .cta-title {
      font-size: clamp(26px, 4vw, 40px);
      font-weight: 800;
      line-height: 1.3;
      margin-bottom: 12px;
    }
    .cta-desc {
      font-size: 16px;
      color: rgba(255, 255, 255, .85);
      max-width: 620px;
      margin-bottom: 28px;
    }
    .site-footer {
      background: #052e22;
      color: rgba(255, 255, 255, .7);
      padding: 64px 0 0;
    }
    .footer-brand {
      font-size: 22px;
      font-weight: 800;
      color: #fff;
      letter-spacing: 1px;
    }
    .footer-desc {
      font-size: 14px;
      line-height: 1.9;
      color: rgba(255, 255, 255, .55);
      margin-top: 12px;
    }
    .footer-title {
      font-size: 15px;
      font-weight: 800;
      color: #fff;
      letter-spacing: 1px;
      margin-bottom: 18px;
      text-transform: uppercase;
    }
    .footer-link {
      display: block;
      font-size: 14px;
      color: rgba(255, 255, 255, .6);
      padding: 6px 0;
      transition: all .3s;
    }
    .footer-link:hover {
      color: var(--accent);
      padding-left: 6px;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, .12);
      padding: 24px 0;
      font-size: 13px;
      color: rgba(255, 255, 255, .45);
      margin-top: 40px;
    }
    .mobile-menu-btn {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 42px;
      height: 42px;
      border-radius: 10px;
      background: var(--bg-deep);
      color: var(--primary);
      font-size: 18px;
      border: none;
    }
    .mobile-menu {
      display: none;
      background: #fff;
      border-top: 1px solid var(--border);
      padding: 16px 20px;
      box-shadow: var(--shadow);
    }
    .mobile-menu.open {
      display: block;
    }
    .mobile-link {
      display: block;
      padding: 14px 12px;
      border-radius: 10px;
      font-weight: 600;
      color: var(--text);
      font-size: 15px;
      border-bottom: 1px solid var(--border);
    }
    .mobile-link:last-child {
      border-bottom: none;
    }
    .mobile-link:hover,
    .mobile-link.active {
      background: var(--bg-deep);
      color: var(--primary);
    }
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 12px;
      font-weight: 700;
      color: var(--primary);
      background: rgba(6, 95, 70, .08);
      padding: 6px 14px;
      border-radius: 999px;
    }
    .feature-list {
      list-style: none;
      padding: 0;
    }
    .feature-list li {
      position: relative;
      padding: 10px 0 10px 32px;
      font-size: 15px;
      color: #334155;
      line-height: 1.7;
    }
    .feature-list li::before {
      content: "\f00c";
      font-family: "Font Awesome 6 Free";
      font-weight: 900;
      position: absolute;
      left: 0;
      top: 12px;
      width: 20px;
      height: 20px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 11px;
      background: var(--bg-deep);
      color: var(--primary);
      border-radius: 50%;
    }
    @media (max-width: 1024px) {
      .mega-dropdown {
        width: 420px;
      }
      .page-banner {
        padding: 80px 0 60px;
      }
    }
    @media (max-width: 768px) {
      .header-inner {
        height: 64px;
      }
      .logo-text {
        font-size: 18px;
      }
      .section {
        padding: 60px 0;
      }
      .page-banner {
        padding: 60px 0 48px;
        background-image: linear-gradient(120deg, rgba(6, 78, 59, .95), rgba(13, 148, 136, .84)), url('/assets/images/backpic/back-2.png');
      }
      .page-title {
        font-size: 32px;
      }
      .card {
        padding: 22px;
      }
      .article-thumb {
        width: 90px;
        height: 70px;
      }
      .cta-section {
        padding: 60px 0;
      }
    }
    @media (max-width: 520px) {
      .container {
        padding: 0 18px;
      }
      .nav-link {
        font-size: 14px;
        padding: 8px 10px;
      }
      .article-card {
        flex-direction: column;
      }
      .article-thumb {
        width: 100%;
        height: 150px;
      }
      .page-subtitle {
        font-size: 15px;
      }
      .btn-primary,
      .btn-outline {
        width: 100%;
        justify-content: center;
      }
      .mega-dropdown {
        display: none;
      }
    }
    ::selection {
      background: rgba(6, 95, 70, .15);
      color: var(--primary);
    }
    :focus-visible {
      outline: 3px solid rgba(245, 158, 11, .5);
      outline-offset: 2px;
      border-radius: 4px;
    }