/* roulang page: index */
:root {
  --primary: #0d1b2a;
  --primary-light: #1b2d45;
  --primary-dark: #080f18;
  --accent: #c9a227;
  --accent-light: #e8c47e;
  --accent-dark: #a88620;
  --bg-main: #f5f0e8;
  --bg-white: #ffffff;
  --bg-light: #faf7f2;
  --text-main: #1a1a2e;
  --text-muted: #6b7280;
  --text-light: #94a3b8;
  --border: #e5e0d5;
  --border-light: #f0ece3;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 8px 28px rgba(0,0,0,0.10);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.14);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

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

html, body { margin: 0; padding: 0; }

body {
  font-family: var(--font-family);
  background: var(--bg-main);
  color: var(--text-main);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; transition: var(--transition); }

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

button { font-family: inherit; cursor: pointer; }

input, textarea { font-family: inherit; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

.grid-container { max-width: 1200px; }

section { position: relative; }

/* ============ 按钮 ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 15px;
  border: none;
  transition: var(--transition);
  cursor: pointer;
  line-height: 1;
  letter-spacing: 0.3px;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #0d1b2a;
  box-shadow: 0 4px 18px rgba(201, 162, 39, 0.35);
}

.btn-primary:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(201, 162, 39, 0.45);
  color: #0d1b2a;
}

.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
  background: rgba(201, 162, 39, 0.08);
}

.btn-dark {
  background: var(--primary);
  color: #fff;
}

.btn-dark:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ============ 徽章 / 标签 ============ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 14px;
  border-radius: 50px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
  line-height: 1.4;
}

.badge-accent {
  background: rgba(201, 162, 39, 0.15);
  color: var(--accent-dark);
  border: 1px solid rgba(201, 162, 39, 0.25);
}

.badge-primary {
  background: rgba(13, 27, 42, 0.08);
  color: var(--primary);
  border: 1px solid rgba(13, 27, 42, 0.1);
}

.badge-light {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(4px);
}

/* ============ Header ============ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(13, 27, 42, 0.95);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0;
  height: 76px;
  transition: var(--transition);
}

.site-header.scrolled {
  height: 68px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 1px;
  white-space: nowrap;
}

.brand i {
  color: var(--accent);
  font-size: 26px;
}

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

.main-nav a {
  color: rgba(255, 255, 255, 0.75);
  font-size: 15px;
  font-weight: 500;
  padding: 10px 18px;
  border-radius: 50px;
  transition: var(--transition);
  position: relative;
}

.main-nav a:hover {
  color: var(--accent);
  background: rgba(201, 162, 39, 0.1);
}

.main-nav a.active {
  color: var(--accent);
  background: rgba(201, 162, 39, 0.12);
  font-weight: 600;
}

.main-nav a.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 3px;
  background: var(--accent);
  border-radius: 3px;
}

.nav-header-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 22px;
  background: var(--accent);
  color: #0d1b2a;
  border-radius: 50px;
  font-weight: 600;
  font-size: 14px;
  transition: var(--transition);
}

.nav-header-btn:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(201, 162, 39, 0.4);
}

/* ============ 移动端 TabBar ============ */
.mobile-tabbar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(13, 27, 42, 0.98);
  backdrop-filter: blur(16px);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0;
  height: 68px;
  align-items: center;
  justify-content: space-around;
}

.mobile-tabbar .tab-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 11px;
  font-weight: 500;
  padding: 10px 14px;
  border-radius: 12px;
  transition: var(--transition);
  flex: 1;
  max-width: 100px;
}

.mobile-tabbar .tab-item i {
  font-size: 20px;
  transition: var(--transition);
}

.mobile-tabbar .tab-item:hover {
  color: var(--accent);
  background: rgba(201, 162, 39, 0.08);
}

.mobile-tabbar .tab-item.active {
  color: var(--accent);
}

.mobile-tabbar .tab-item.active i {
  transform: translateY(-2px);
  text-shadow: 0 4px 12px rgba(201, 162, 39, 0.4);
}

.mobile-tabbar .tab-item.active .tab-dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  margin-top: 2px;
}

/* ============ Hero ============ */
.hero {
  position: relative;
  min-height: 720px;
  display: flex;
  align-items: center;
  background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  padding: 140px 0 100px;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(13, 27, 42, 0.93) 0%, rgba(13, 27, 42, 0.75) 50%, rgba(13, 27, 42, 0.55) 100%);
  z-index: 1;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to top, var(--bg-main) 0%, transparent 100%);
  z-index: 2;
}

.hero .hero-content {
  position: relative;
  z-index: 3;
  max-width: 680px;
}

.hero .hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(201, 162, 39, 0.15);
  border: 1px solid rgba(201, 162, 39, 0.35);
  color: var(--accent-light);
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 28px;
}

.hero h1 {
  font-size: 52px;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 24px;
  letter-spacing: 1px;
}

.hero h1 span {
  color: var(--accent);
  position: relative;
}

.hero .hero-desc {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.8;
  margin-bottom: 40px;
  max-width: 560px;
}

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

.hero .hero-meta {
  display: flex;
  gap: 36px;
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.hero .hero-meta-item {
  display: flex;
  align-items: center;
  gap: 12px;
}

.hero .hero-meta-item i {
  font-size: 24px;
  color: var(--accent);
}

.hero .hero-meta-item .meta-text {
  color: rgba(255, 255, 255, 0.9);
  font-size: 14px;
  line-height: 1.4;
}

.hero .hero-meta-item .meta-text strong {
  display: block;
  font-size: 18px;
  color: #fff;
}

/* ============ 统计区 ============ */
.stats-section {
  padding: 80px 0;
  background: var(--bg-white);
  margin-top: -1px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.stat-item {
  text-align: center;
  padding: 32px 20px;
  border-radius: var(--radius);
  background: var(--bg-light);
  border: 1px solid var(--border-light);
  transition: var(--transition);
}

.stat-item:hover {
  background: var(--bg-white);
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.stat-item .stat-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: rgba(201, 162, 39, 0.12);
  color: var(--accent-dark);
  font-size: 22px;
}

.stat-item .stat-number {
  font-size: 36px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
  margin-bottom: 6px;
}

.stat-item .stat-label {
  font-size: 14px;
  color: var(--text-muted);
}

/* ============ 核心说明 ============ */
.about-section {
  padding: 100px 0;
  background: var(--bg-main);
}

.about-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-image {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.about-image:hover img {
  transform: scale(1.03);
}

.about-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13, 27, 42, 0.3) 0%, transparent 60%);
}

.about-image .image-caption {
  position: absolute;
  bottom: 20px;
  left: 24px;
  z-index: 2;
  color: #fff;
  font-size: 16px;
  font-weight: 500;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.about-content .section-label {
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 12px;
  display: block;
}

.about-content h2 {
  font-size: 36px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.3;
  margin-bottom: 20px;
}

.about-content .about-desc {
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 28px;
}

.about-points {
  list-style: none;
  padding: 0;
  margin: 0 0 32px;
  display: grid;
  gap: 14px;
}

.about-points li {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  font-size: 15px;
  transition: var(--transition);
}

.about-points li:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
  transform: translateX(4px);
}

.about-points li i {
  color: var(--accent);
  font-size: 18px;
  width: 24px;
  text-align: center;
}

/* ============ 分类入口 ============ */
.categories-section {
  padding: 100px 0;
  background: var(--bg-white);
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-header .section-label {
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 12px;
  display: block;
}

.section-header h2 {
  font-size: 36px;
  font-weight: 800;
  color: var(--primary);
  margin: 0 0 16px;
  line-height: 1.3;
}

.section-header p {
  color: var(--text-muted);
  font-size: 16px;
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.8;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.category-card {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: 20px;
  overflow: hidden;
  transition: var(--transition);
  position: relative;
  display: block;
}

.category-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.category-card .card-image {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.category-card .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.category-card:hover .card-image img {
  transform: scale(1.06);
}

.category-card .card-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13, 27, 42, 0.4) 0%, transparent 55%);
}

.category-card .card-icon {
  position: absolute;
  bottom: 16px;
  left: 20px;
  z-index: 2;
  width: 44px;
  height: 44px;
  background: var(--accent);
  color: #0d1b2a;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  box-shadow: 0 4px 16px rgba(201, 162, 39, 0.5);
}

.category-card .card-body {
  padding: 24px;
}

.category-card .card-body h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  margin: 0 0 10px;
}

.category-card .card-body p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin: 0 0 16px;
}

.category-card .card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent-dark);
  font-weight: 600;
  font-size: 14px;
}

.category-card .card-link i {
  transition: transform 0.3s ease;
}

.category-card:hover .card-link i {
  transform: translateX(4px);
}

/* ============ 最新资讯 ============ */
.news-section {
  padding: 100px 0;
  background: var(--bg-main);
}

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

.news-card {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: 18px;
  overflow: hidden;
  transition: var(--transition);
  height: 100%;
}

.news-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.news-card .news-card-body {
  padding: 26px;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.news-card .news-card-body .badge {
  align-self: flex-start;
  margin-bottom: 14px;
}

.news-card .news-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.4;
  margin: 0 0 12px;
  transition: var(--transition);
}

.news-card:hover .news-title {
  color: var(--accent-dark);
}

.news-card .news-excerpt {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin: 0 0 20px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.news-card .news-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--border-light);
  font-size: 13px;
  color: var(--text-light);
}

.news-card .news-meta time {
  display: flex;
  align-items: center;
  gap: 6px;
}

.news-card .news-meta .read-more {
  color: var(--accent-dark);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
}

.news-card .news-meta .read-more i {
  font-size: 12px;
  transition: transform 0.3s ease;
}

.news-card:hover .news-meta .read-more i {
  transform: translateX(4px);
}

.empty-tip {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-muted);
  background: var(--bg-white);
  border: 1px dashed var(--border);
  border-radius: 16px;
  font-size: 16px;
}

.section-more {
  text-align: center;
  margin-top: 44px;
}

/* ============ 流程 ============ */
.process-section {
  padding: 100px 0;
  background: var(--primary);
  position: relative;
  overflow: hidden;
}

.process-section::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: rgba(201, 162, 39, 0.12);
}

.process-section::after {
  content: '';
  position: absolute;
  bottom: -60px;
  left: 40px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(201, 162, 39, 0.06);
}

.process-section .section-header h2 {
  color: #fff;
}

.process-section .section-header p {
  color: rgba(255, 255, 255, 0.7);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  position: relative;
  z-index: 2;
}

.process-card {
  text-align: center;
  padding: 40px 24px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  transition: var(--transition);
  position: relative;
}

.process-card:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-6px);
  border-color: rgba(201, 162, 39, 0.4);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
}

.process-card .step-num {
  position: absolute;
  top: 14px;
  right: 20px;
  font-size: 44px;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.1);
}

.process-card .step-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  border-radius: 18px;
  background: var(--accent);
  color: #0d1b2a;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  box-shadow: 0 8px 24px rgba(201, 162, 39, 0.4);
}

.process-card h3 {
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 10px;
}

.process-card p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  line-height: 1.7;
  margin: 0;
}

/* ============ FAQ ============ */
.faq-section {
  padding: 100px 0;
  background: var(--bg-white);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-light);
  border: 1px solid var(--border-light);
  border-radius: 16px;
  margin-bottom: 16px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
}

.faq-item .faq-question {
  padding: 22px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--primary);
}

.faq-item .faq-question i {
  color: var(--accent);
  font-size: 18px;
  transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
  transform: rotate(45deg);
}

.faq-item .faq-answer {
  padding: 0 28px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding-bottom: 22px;
}

.faq-item .faq-answer p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.8;
  margin: 0;
  border-top: 1px solid var(--border-light);
  padding-top: 16px;
}

/* ============ CTA ============ */
.cta-section {
  padding: 100px 0;
  background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
  position: relative;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(13, 27, 42, 0.92) 0%, rgba(13, 27, 42, 0.8) 100%);
}

.cta-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.cta-content h2 {
  color: #fff;
  font-size: 40px;
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.3;
}

.cta-content p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 17px;
  line-height: 1.8;
  margin-bottom: 36px;
}

.cta-content .cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.cta-note {
  margin-top: 24px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
}

/* ============ Footer ============ */
.site-footer {
  background: var(--primary-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 80px 0 100px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand {
  max-width: 340px;
}

.footer-brand .brand {
  margin-bottom: 20px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 24px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.8);
  font-size: 16px;
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--accent);
  color: #0d1b2a;
  transform: translateY(-3px);
}

.footer-col h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 3px;
  background: var(--accent);
  border-radius: 3px;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

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

.footer-col ul li a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

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

.footer-col ul li a i {
  font-size: 10px;
  color: var(--accent);
}

.footer-bottom {
  padding-top: 32px;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}

.footer-bottom p {
  margin: 0 0 6px;
}

.footer-bottom .footer-links {
  display: flex;
  gap: 24px;
  justify-content: center;
  margin-top: 12px;
}

.footer-bottom .footer-links a {
  color: rgba(255, 255, 255, 0.5);
  font-size: 13px;
}

.footer-bottom .footer-links a:hover {
  color: var(--accent);
}

/* ============ 移动端汉堡菜单 ============ */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 24px;
  padding: 8px;
}

.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(13, 27, 42, 0.98);
  backdrop-filter: blur(20px);
  padding: 100px 32px 32px;
  flex-direction: column;
  gap: 12px;
}

.mobile-menu.open {
  display: flex;
}

.mobile-menu a {
  color: rgba(255, 255, 255, 0.85);
  font-size: 20px;
  font-weight: 600;
  padding: 16px 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.mobile-menu a.active {
  color: var(--accent);
}

.mobile-menu .close-btn {
  position: absolute;
  top: 28px;
  right: 28px;
  background: none;
  border: none;
  color: #fff;
  font-size: 28px;
}

/* ============ 响应式断点 ============ */
@media (max-width: 1024px) {
  .hero { min-height: 620px; padding: 120px 0 80px; }
  .hero h1 { font-size: 42px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .category-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .news-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .process-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .about-layout { grid-template-columns: 1fr; gap: 40px; }
  .about-image img { height: 320px; }
  .main-nav { display: none; }
  .nav-header-btn { display: none; }
  .mobile-menu-toggle { display: block; }
  .mobile-tabbar { display: flex; }
  .site-footer { padding-bottom: 80px; }
  .mobile-menu { display: none; }
  .mobile-menu.open { display: flex; }
}

@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .hero { min-height: 560px; padding: 110px 0 60px; }
  .hero h1 { font-size: 34px; }
  .hero .hero-desc { font-size: 16px; }
  .hero .hero-meta { flex-direction: column; gap: 16px; margin-top: 40px; }
  .stats-section { padding: 60px 0; }
  .about-section, .categories-section, .news-section, .process-section, .faq-section, .cta-section { padding: 72px 0; }
  .section-header h2 { font-size: 28px; }
  .category-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; gap: 16px; }
  .cta-content h2 { font-size: 30px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .about-content h2 { font-size: 28px; }
  .stat-item { padding: 24px 16px; }
  .stat-item .stat-number { font-size: 28px; }
  .faq-item .faq-question { padding: 18px 20px; font-size: 15px; }
  .faq-item .faq-answer { padding: 0 20px; }
  .faq-item.active .faq-answer { padding-bottom: 18px; }
  .hero .hero-actions .btn { padding: 12px 24px; font-size: 14px; }
  .section-more .btn { padding: 12px 28px; }
}

@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .site-header { height: 64px; }
  .hero { min-height: 520px; padding: 100px 0 50px; }
  .hero h1 { font-size: 28px; }
  .hero .hero-desc { font-size: 15px; }
  .hero .hero-actions { flex-direction: column; }
  .hero .hero-actions .btn { width: 100%; justify-content: center; }
  .hero .hero-meta { margin-top: 32px; padding-top: 24px; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .stat-item { padding: 20px 12px; }
  .stat-item .stat-number { font-size: 26px; }
  .stat-item .stat-icon { width: 44px; height: 44px; font-size: 18px; margin-bottom: 12px; }
  .section-header { margin-bottom: 40px; }
  .section-header h2 { font-size: 24px; }
  .category-card .card-image { height: 170px; }
  .news-card .news-card-body { padding: 20px; }
  .cta-content h2 { font-size: 24px; }
  .cta-content .cta-buttons { flex-direction: column; }
  .cta-content .cta-buttons .btn { width: 100%; justify-content: center; }
  .footer-bottom .footer-links { flex-direction: column; gap: 8px; }
}

/* ============ 访问焦点 ============ */
a:focus-visible, button:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: 6px;
}

.btn:focus-visible {
  outline-color: var(--accent-light);
}

/* roulang page: category1 */
/* ---------- 设计变量 ---------- */
    :root {
      --primary: #d7a843;
      --primary-dark: #b8862a;
      --primary-light: #f5deae;
      --navy: #0b1729;
      --navy-2: #102033;
      --navy-3: #142c47;
      --ink: #14202e;
      --ink-2: #556272;
      --ink-3: #8b96a7;
      --bg: #f4f6fb;
      --card: #ffffff;
      --border: #e3e8f0;
      --radius: 16px;
      --radius-sm: 10px;
      --shadow: 0 10px 28px rgba(15, 28, 46, 0.07);
      --shadow-lg: 0 22px 44px rgba(15, 28, 46, 0.14);
      --font: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
      --ease: all .25s ease;
    }

    /* ---------- Reset / 基础 ---------- */
    *,
    *::before,
    *::after {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: var(--font);
      background: var(--bg);
      color: var(--ink);
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }

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

    a {
      color: inherit;
      text-decoration: none;
      transition: var(--ease);
    }

    ul,
    ol {
      list-style: none;
      margin: 0;
      padding: 0;
    }

    h1,
    h2,
    h3,
    h4,
    h5 {
      margin: 0;
      font-weight: 700;
      line-height: 1.3;
    }

    p {
      margin: 0 0 1em;
    }

    button {
      font-family: inherit;
      border: none;
      cursor: pointer;
    }

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

    /* ---------- 按钮 ---------- */
    .btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 12px 28px;
      border-radius: 999px;
      font-size: .95rem;
      font-weight: 600;
      line-height: 1;
      border: 1px solid transparent;
      transition: var(--ease);
      cursor: pointer;
    }

    .btn-primary {
      background: var(--primary);
      color: #16202e;
    }

    .btn-primary:hover {
      background: var(--primary-light);
      transform: translateY(-2px);
      box-shadow: var(--shadow-lg);
    }

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

    .btn-outline:hover {
      background: rgba(255, 255, 255, 0.12);
      transform: translateY(-2px);
    }

    /* ---------- Header / 导航 ---------- */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(11, 23, 41, 0.96);
      backdrop-filter: blur(8px);
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 10px;
      color: #fff;
      font-size: 1.28rem;
      font-weight: 800;
    }

    .brand i {
      color: var(--primary);
      font-size: 1.45rem;
    }

    .brand:hover {
      color: var(--primary-light);
    }

    .main-nav {
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .main-nav a {
      position: relative;
      padding: 9px 18px;
      border-radius: 999px;
      color: rgba(255, 255, 255, 0.72);
      font-size: .92rem;
      font-weight: 500;
      transition: var(--ease);
    }

    .main-nav a:hover,
    .main-nav a.active {
      background: rgba(215, 168, 67, 0.14);
      color: var(--primary-light);
    }

    .mobile-bottom-nav {
      display: none;
      position: fixed;
      left: 0;
      right: 0;
      bottom: 0;
      z-index: 200;
      background: rgba(11, 23, 41, 0.98);
      backdrop-filter: blur(8px);
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }

    .mobile-bar {
      display: flex;
      justify-content: space-around;
      padding: 8px 6px calc(8px + env(safe-area-inset-bottom));
    }

    .mobile-bar a {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 2px;
      color: rgba(255, 255, 255, 0.55);
      font-size: .68rem;
      padding: 7px 12px;
      border-radius: 14px;
      transition: var(--ease);
    }

    .mobile-bar a i {
      font-size: 1.25rem;
    }

    .mobile-bar a.active,
    .mobile-bar a:hover {
      color: var(--primary-light);
      background: rgba(215, 168, 67, 0.12);
    }

    /* ---------- Hero ---------- */
    .category-hero {
      position: relative;
      padding: 78px 0 96px;
      color: #fff;
      background-image: url('/assets/images/backpic/back-1.png');
      background-size: cover;
      background-position: center;
      background-color: var(--navy);
      overflow: hidden;
    }

    .category-hero::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(120deg, rgba(11, 23, 41, 0.92) 0%, rgba(16, 32, 51, 0.82) 50%, rgba(20, 44, 71, 0.75) 100%);
    }

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

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(215, 168, 67, 0.16);
      border: 1px solid rgba(215, 168, 67, 0.35);
      color: var(--primary-light);
      padding: 7px 16px;
      border-radius: 999px;
      font-size: .85rem;
      font-weight: 600;
    }

    .hero-title {
      font-size: clamp(2rem, 4vw, 3rem);
      margin: 18px 0 14px;
      color: #fff;
    }

    .hero-subtitle {
      max-width: 640px;
      font-size: 1.05rem;
      color: rgba(255, 255, 255, 0.78);
      margin-bottom: 28px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
    }

    /* ---------- 板块 ---------- */
    .section {
      padding: 84px 0;
    }

    .section-tag {
      display: inline-block;
      color: var(--primary-dark);
      font-weight: 700;
      letter-spacing: 1px;
      font-size: .86rem;
      margin-bottom: 8px;
    }

    .section-head {
      max-width: 720px;
      margin: 0 auto 44px;
      text-align: center;
    }

    .section-head h2 {
      font-size: clamp(1.6rem, 3vw, 2.2rem);
      color: var(--ink);
    }

    .section-head p {
      color: var(--ink-2);
      font-size: .98rem;
      margin-top: 12px;
    }

    /* ---------- 图文概览 ---------- */
    .guide-overview {
      background: var(--bg);
    }

    .overview-media {
      position: relative;
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow-lg);
    }

    .overview-media img {
      width: 100%;
      height: 360px;
      object-fit: cover;
    }

    .media-float {
      position: absolute;
      left: 18px;
      bottom: 18px;
      display: flex;
      align-items: center;
      gap: 12px;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(8px);
      padding: 12px 20px;
      border-radius: 14px;
      box-shadow: var(--shadow);
    }

    .media-float i {
      font-size: 1.8rem;
      color: var(--primary-dark);
    }

    .media-float strong {
      display: block;
      font-size: .95rem;
      color: var(--ink);
    }

    .media-float span {
      display: block;
      font-size: .78rem;
      color: var(--ink-3);
    }

    .feature-list {
      margin: 22px 0 28px;
    }

    .feature-list li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      margin-bottom: 12px;
      font-size: .96rem;
      color: var(--ink-2);
    }

    .feature-list i {
      margin-top: 5px;
      color: var(--primary-dark);
      font-size: 1.05rem;
    }

    /* ---------- 步骤 ---------- */
    .steps-section {
      background: linear-gradient(180deg, #f0f3f9 0%, #ffffff 100%);
    }

    .steps-grid {
      display: flex;
      gap: 24px;
      flex-wrap: wrap;
    }

    .step-card {
      flex: 1 1 200px;
      background: var(--card);
      border-radius: var(--radius);
      padding: 30px 24px;
      text-align: center;
      box-shadow: var(--shadow);
      border-top: 4px solid var(--primary);
      transition: var(--ease);
    }

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

    .step-num {
      width: 54px;
      height: 54px;
      margin: 0 auto 16px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: var(--primary);
      border-radius: 16px;
      color: #fff;
      font-weight: 800;
      font-size: 1.25rem;
      box-shadow: 0 10px 22px rgba(215, 168, 67, 0.36);
    }

    .step-card h3 {
      font-size: 1.06rem;
      margin-bottom: 10px;
    }

    .step-card p {
      font-size: .88rem;
      color: var(--ink-2);
      margin: 0;
    }

    /* ---------- 内容卡片 ---------- */
    .content-section {
      background: var(--bg);
    }

    .guide-card {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow);
      transition: var(--ease);
      height: 100%;
      display: flex;
      flex-direction: column;
    }

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

    .card-cover {
      overflow: hidden;
    }

    .card-cover img {
      width: 100%;
      height: 190px;
      object-fit: cover;
      transition: transform .45s ease;
    }

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

    .card-body {
      padding: 22px 24px 26px;
      display: flex;
      flex-direction: column;
      flex: 1;
    }

    .card-tag {
      align-self: flex-start;
      background: rgba(215, 168, 67, 0.13);
      color: var(--primary-dark);
      padding: 4px 14px;
      border-radius: 999px;
      font-size: .76rem;
      font-weight: 600;
    }

    .card-title {
      font-size: 1.12rem;
      margin: 14px 0 8px;
    }

    .card-text {
      font-size: .9rem;
      color: var(--ink-2);
      flex: 1;
    }

    .card-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-top: 16px;
      color: var(--primary-dark);
      font-weight: 600;
      font-size: .9rem;
    }

    .card-link i {
      transition: transform .25s ease;
    }

    .card-link:hover i {
      transform: translateX(4px);
    }

    /* ---------- 数据亮点 ---------- */
    .stats-section {
      background: linear-gradient(135deg, var(--navy), var(--navy-2));
      padding: 70px 0;
    }

    .stats-wrap {
      display: flex;
      gap: 22px;
      flex-wrap: wrap;
    }

    .stat-card {
      flex: 1 1 180px;
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 18px;
      padding: 32px 20px;
      text-align: center;
      backdrop-filter: blur(6px);
      transition: var(--ease);
    }

    .stat-card:hover {
      background: rgba(255, 255, 255, 0.14);
      transform: translateY(-4px);
    }

    .stat-num {
      font-size: 2rem;
      font-weight: 800;
      color: var(--primary);
    }

    .stat-label {
      margin-top: 6px;
      color: rgba(255, 255, 255, 0.75);
      font-size: .88rem;
    }

    /* ---------- FAQ ---------- */
    .faq-section {
      background: var(--bg);
    }

    .faq-list {
      max-width: 840px;
      margin: 0 auto;
    }

    details {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 20px 24px;
      margin-bottom: 14px;
      box-shadow: var(--shadow);
      transition: var(--ease);
    }

    details:hover {
      box-shadow: var(--shadow-lg);
    }

    summary {
      cursor: pointer;
      font-weight: 600;
      font-size: .98rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      list-style: none;
    }

    summary::-webkit-details-marker {
      display: none;
    }

    summary:after {
      content: '+';
      font-size: 1.5rem;
      color: var(--primary-dark);
      font-weight: 400;
      line-height: 1;
    }

    details[open] summary:after {
      content: '−';
    }

    .faq-answer {
      margin-top: 14px;
      color: var(--ink-2);
      font-size: .93rem;
      padding-top: 14px;
      border-top: 1px dashed var(--border);
    }

    .faq-answer p {
      margin: 0;
    }

    /* ---------- CTA ---------- */
    .cta-section {
      background: linear-gradient(135deg, var(--navy), var(--navy-3));
    }

    .cta-card {
      background: rgba(255, 255, 255, 0.07);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: 24px;
      padding: 52px 40px;
      text-align: center;
      max-width: 860px;
      margin: 0 auto;
    }

    .cta-card h2 {
      color: #fff;
      font-size: clamp(1.5rem, 3vw, 2rem);
    }

    .cta-card p {
      color: rgba(255, 255, 255, 0.72);
      margin: 14px 0 28px;
      font-size: .98rem;
    }

    .cta-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      justify-content: center;
    }

    /* ---------- 页脚 ---------- */
    .site-footer {
      background: #0b1522;
      color: rgba(255, 255, 255, 0.62);
      padding: 60px 0 24px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 40px;
    }

    .footer-brand .brand {
      font-size: 1.3rem;
    }

    .footer-brand p {
      margin-top: 16px;
      font-size: .9rem;
      color: rgba(255, 255, 255, 0.6);
    }

    .footer-social {
      display: flex;
      gap: 10px;
      margin-top: 20px;
    }

    .footer-social a {
      display: inline-flex;
      width: 38px;
      height: 38px;
      border: 1px solid rgba(255, 255, 255, 0.18);
      border-radius: 50%;
      align-items: center;
      justify-content: center;
      color: rgba(255, 255, 255, 0.7);
      font-size: .9rem;
      transition: var(--ease);
    }

    .footer-social a:hover {
      background: var(--primary);
      border-color: var(--primary);
      color: var(--navy);
    }

    .footer-col h4 {
      color: #fff;
      margin-bottom: 18px;
      font-size: 1rem;
    }

    .footer-col li {
      margin-bottom: 10px;
    }

    .footer-col a {
      color: rgba(255, 255, 255, 0.56);
      font-size: .89rem;
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .footer-col a i {
      font-size: .7rem;
      color: var(--primary);
    }

    .footer-col a:hover {
      color: var(--primary-light);
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      margin-top: 44px;
      padding-top: 22px;
      display: flex;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
      font-size: .84rem;
      color: rgba(255, 255, 255, 0.42);
    }

    .footer-bottom p {
      margin: 0;
    }

    .footer-links {
      display: flex;
      gap: 16px;
    }

    .footer-links a {
      color: rgba(255, 255, 255, 0.42);
    }

    .footer-links a:hover {
      color: var(--primary-light);
    }

    /* ---------- 响应式断点 ---------- */
    @media (max-width: 1024px) {
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .header-inner {
        height: 64px;
      }

      .main-nav {
        display: none;
      }

      .mobile-bottom-nav {
        display: block;
      }

      body {
        padding-bottom: 68px;
      }

      .category-hero {
        padding: 56px 0 68px;
      }

      .section {
        padding: 60px 0;
      }

      .steps-grid {
        flex-direction: column;
      }

      .stats-wrap {
        flex-direction: column;
      }

      .stat-card {
        padding: 24px 20px;
      }

      .cta-card {
        padding: 36px 24px;
      }

      .overview-media img {
        height: 260px;
      }
    }

    @media (max-width: 520px) {
      .container {
        padding: 0 18px;
      }

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

      .footer-bottom {
        justify-content: center;
        text-align: center;
      }

      .footer-links {
        justify-content: center;
        width: 100%;
      }

      .hero-title {
        font-size: 1.7rem;
      }

      .hero-subtitle {
        font-size: .95rem;
      }

      .card-cover img {
        height: 170px;
      }

      .media-float {
        left: 12px;
        bottom: 12px;
        padding: 10px 14px;
      }
    }

/* roulang page: article */
:root {
            --color-primary: #1f3a8a;
            --color-primary-light: #2f54eb;
            --color-accent: #d4a017;
            --color-accent-soft: #faf3d7;
            --color-bg: #f6f8fc;
            --color-surface: #ffffff;
            --color-text: #16233f;
            --color-muted: #5c6b8a;
            --color-border: #e6ebf4;
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --shadow-sm: 0 4px 12px rgba(31, 58, 138, .06);
            --shadow-md: 0 14px 32px rgba(31, 58, 138, .10);
            --shadow-lg: 0 26px 54px rgba(31, 58, 138, .16);
            --section-space: 92px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            line-height: 1.7;
            background: var(--color-bg);
            color: var(--color-text);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

        body::selection {
            background: var(--color-primary);
            color: #fff;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color .25s ease, background .25s ease, box-shadow .25s ease, transform .25s ease, border-color .25s ease, padding .25s ease;
        }

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

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

        .skip-link {
            position: absolute;
            left: -999px;
            top: -999px;
            z-index: 999;
        }

        .skip-link:focus {
            left: 16px;
            top: 16px;
            background: var(--color-primary);
            color: #fff;
            padding: 10px 18px;
            border-radius: 999px;
            font-weight: 700;
        }

        .container {
            max-width: 1220px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .grid-container {
            max-width: 1220px;
            padding-left: 20px;
            padding-right: 20px;
        }

        .section {
            padding: var(--section-space) 0;
        }

        .mt-16 {
            margin-top: 16px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 999px;
            font-weight: 700;
            font-size: .95rem;
            line-height: 1.4;
            border: 2px solid transparent;
            cursor: pointer;
            transition: all .3s ease;
            background: none;
            text-align: center;
        }

        .btn-primary {
            background: var(--color-primary);
            color: #fff;
            box-shadow: 0 8px 20px rgba(31, 58, 138, .24);
        }

        .btn-primary:hover {
            background: var(--color-primary-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 14px 28px rgba(31, 58, 138, .30);
        }

        .btn-accent {
            background: var(--color-accent);
            color: #211b09;
            box-shadow: 0 8px 20px rgba(212, 160, 23, .26);
        }

        .btn-accent:hover {
            background: #c09210;
            color: #151207;
            transform: translateY(-2px);
            box-shadow: 0 14px 30px rgba(212, 160, 23, .34);
        }

        .btn-outline {
            border-color: rgba(255, 255, 255, .72);
            color: #fff;
        }

        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, .12);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-block {
            width: 100%;
        }

        .btn:focus-visible,
        a:focus-visible {
            outline: 3px solid rgba(47, 84, 235, .45);
            outline-offset: 3px;
        }

        .tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--color-accent-soft);
            color: #7a6203;
            padding: 5px 14px;
            border-radius: 999px;
            font-size: .82rem;
            font-weight: 700;
            white-space: nowrap;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(255, 255, 255, .92);
            -webkit-backdrop-filter: blur(18px);
            backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border);
        }

        .header-inner {
            height: 76px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--color-primary);
            white-space: nowrap;
        }

        .brand i {
            color: var(--color-accent);
            font-size: 1.5rem;
            display: inline-block;
        }

        .brand span {
            letter-spacing: .5px;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .main-nav a {
            padding: 10px 18px;
            border-radius: 999px;
            font-weight: 600;
            color: var(--color-muted);
            font-size: .95rem;
            white-space: nowrap;
        }

        .main-nav a:hover {
            color: var(--color-primary);
            background: #eff4ff;
        }

        .main-nav a.active {
            color: #fff;
            background: var(--color-primary);
            box-shadow: 0 8px 18px rgba(31, 58, 138, .24);
        }

        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-accent);
            color: #241d08;
            padding: 10px 22px;
            border-radius: 999px;
            font-weight: 700;
            font-size: .92rem;
            box-shadow: 0 6px 16px rgba(212, 160, 23, .24);
            white-space: nowrap;
        }

        .mobile-tabs {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 60;
            display: none;
            background: rgba(255, 255, 255, .96);
            border-top: 1px solid var(--color-border);
            padding: 8px 8px calc(10px + env(safe-area-inset-bottom));
            box-shadow: 0 -8px 20px rgba(0, 0, 0, .06);
            justify-content: space-around;
        }

        .mobile-tabs a {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 4px;
            font-size: .7rem;
            font-weight: 600;
            color: var(--color-muted);
            padding: 4px 10px;
            border-radius: 14px;
            transition: all .25s ease;
            flex: 1;
        }

        .mobile-tabs a i {
            font-size: 1.1rem;
        }

        .mobile-tabs a:hover,
        .mobile-tabs a.active {
            color: var(--color-primary);
            background: #f0f4ff;
        }

        .article-banner {
            position: relative;
            padding: 72px 0 122px;
            color: #fff;
            background:
                radial-gradient(circle at 85% 20%, rgba(212, 160, 23, .20), transparent 38%),
                linear-gradient(135deg, rgba(11, 24, 51, .96), rgba(28, 48, 94, .92)),
                url('/assets/images/backpic/back-2.png') center / cover no-repeat;
        }

        .article-banner::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, var(--color-bg) 100%);
            pointer-events: none;
        }

        .article-banner .grid-container {
            position: relative;
            z-index: 2;
        }

        .breadcrumb-nav {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: .9rem;
            color: rgba(255, 255, 255, .72);
            margin-bottom: 18px;
        }

        .breadcrumb-nav a {
            color: rgba(255, 255, 255, .88);
        }

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

        .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .20);
            padding: 6px 16px;
            border-radius: 999px;
            font-size: .84rem;
            font-weight: 600;
            color: rgba(255, 255, 255, .92);
            margin-bottom: 18px;
        }

        .banner-badge i {
            color: var(--color-accent);
        }

        .banner-caption {
            max-width: 900px;
        }

        .banner-caption h1 {
            font-size: 2.5rem;
            line-height: 1.3;
            margin: 0 0 14px;
            font-weight: 800;
            letter-spacing: .5px;
        }

        .banner-caption p {
            font-size: 1.08rem;
            color: rgba(255, 255, 255, .78);
            max-width: 760px;
            margin: 0;
        }

        .article-wrap {
            position: relative;
            z-index: 3;
            margin-top: -56px;
            padding-bottom: 92px;
        }

        .article-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 40px;
            min-height: 420px;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            margin-bottom: 22px;
            padding-bottom: 20px;
            border-bottom: 1px dashed var(--color-border);
            font-size: .9rem;
            color: var(--color-muted);
        }

        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }

        .article-meta i {
            color: var(--color-primary);
        }

        .article-content {
            font-size: 1.02rem;
            line-height: 1.95;
            color: #33405e;
            word-break: break-word;
        }

        .article-content h2 {
            font-size: 1.55rem;
            color: var(--color-primary);
            margin: 30px 0 12px;
            font-weight: 800;
        }

        .article-content h3 {
            font-size: 1.25rem;
            color: var(--color-primary);
            margin: 24px 0 10px;
            font-weight: 700;
        }

        .article-content p {
            margin: 0 0 1.2em;
        }

        .article-content ul,
        .article-content ol {
            margin: 0 0 1.2em;
            padding-left: 1.4em;
        }

        .article-content li {
            margin-bottom: 6px;
        }

        .article-content blockquote {
            border-left: 4px solid var(--color-accent);
            background: #fffaf0;
            padding: 14px 20px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 20px 0;
        }

        .article-content a {
            color: var(--color-primary);
            font-weight: 600;
            border-bottom: 1px solid rgba(31, 58, 138, .28);
        }

        .article-content a:hover {
            color: var(--color-accent);
            border-color: var(--color-accent);
        }

        .article-content img {
            border-radius: var(--radius-md);
            margin: 24px 0;
            box-shadow: var(--shadow-sm);
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            font-size: .95rem;
        }

        .article-content th,
        .article-content td {
            border: 1px solid var(--color-border);
            padding: 10px 14px;
            text-align: left;
        }

        .article-content th {
            background: #f4f7ff;
            color: var(--color-primary);
            font-weight: 700;
        }

        .not-found {
            text-align: center;
            padding: 50px 20px;
        }

        .not-found-icon {
            width: 84px;
            height: 84px;
            margin: 0 auto 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 24px;
            background: var(--color-accent-soft);
            color: var(--color-accent);
            font-size: 2rem;
        }

        .not-found h2 {
            font-size: 1.6rem;
            font-weight: 800;
            margin: 0 0 10px;
        }

        .not-found p {
            color: var(--color-muted);
            margin: 0 auto 24px;
            max-width: 420px;
        }

        .article-sidebar .sidebar-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            padding: 26px;
            margin-bottom: 24px;
        }

        .sidebar-card h3 {
            font-size: 1.05rem;
            font-weight: 800;
            color: var(--color-primary);
            margin: 0 0 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-card h3 i {
            color: var(--color-accent);
        }

        .sidebar-card p {
            color: var(--color-muted);
            font-size: .92rem;
            margin: 0 0 14px;
            line-height: 1.75;
        }

        .media-wrap {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 18px;
            box-shadow: var(--shadow-sm);
        }

        .media-wrap img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .stats-row {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin: 16px 0;
        }

        .stat-item {
            background: #f4f7ff;
            border-radius: 14px;
            padding: 16px 10px;
            text-align: center;
        }

        .stat-item b {
            display: block;
            color: var(--color-primary);
            font-size: 1.25rem;
            font-weight: 800;
            line-height: 1.3;
        }

        .stat-item span {
            font-size: .78rem;
            color: var(--color-muted);
            margin-top: 2px;
        }

        .sidebar-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .sidebar-list li a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 11px 14px;
            border-radius: var(--radius-sm);
            color: var(--color-muted);
            font-weight: 600;
            font-size: .93rem;
            border: 1px solid transparent;
        }

        .sidebar-list li a:hover {
            background: #f0f4ff;
            color: var(--color-primary);
            transform: translateX(3px);
            border-color: #dbe5ff;
        }

        .sidebar-list i {
            color: var(--color-accent);
            font-size: .8rem;
        }

        .help-card {
            background: linear-gradient(160deg, #13275a, #23418c) !important;
            border: none !important;
            color: #fff;
        }

        .help-card h3 {
            color: #fff;
        }

        .help-card p {
            color: rgba(255, 255, 255, .82);
        }

        .help-card .btn-accent {
            box-shadow: 0 8px 22px rgba(0, 0, 0, .18);
        }

        .explore-section {
            background: #fff;
            border-top: 1px solid var(--color-border);
        }

        .section-head {
            margin-bottom: 40px;
        }

        .eyebrow {
            color: var(--color-accent);
            font-weight: 700;
            letter-spacing: .16em;
            text-transform: uppercase;
            font-size: .84rem;
            display: inline-block;
        }

        .section-head h2 {
            font-size: 2.05rem;
            font-weight: 800;
            margin: 8px 0 8px;
            color: var(--color-text);
            letter-spacing: .5px;
        }

        .section-head p {
            color: var(--color-muted);
            max-width: 680px;
            margin: 0;
            font-size: 1rem;
        }

        .explore-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 26px;
        }

        .cat-card {
            display: flex;
            flex-direction: column;
            background: var(--color-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
        }

        .cat-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: #dbe5ff;
        }

        .cat-card .cover {
            height: 190px;
            overflow: hidden;
        }

        .cat-card .cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

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

        .cat-body {
            padding: 24px;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            flex: 1;
        }

        .cat-body .tag {
            margin-bottom: 12px;
        }

        .cat-body h3 {
            font-size: 1.2rem;
            font-weight: 800;
            margin: 0 0 10px;
            color: var(--color-text);
        }

        .cat-body p {
            color: var(--color-muted);
            font-size: .92rem;
            line-height: 1.75;
            margin: 0 0 16px;
            flex: 1;
        }

        .cat-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            color: var(--color-primary);
            font-size: .9rem;
        }

        .cat-link i {
            color: var(--color-accent);
            transition: transform .25s ease;
        }

        .cat-card:hover .cat-link i {
            transform: translateX(4px);
        }

        .cta-section-wrap {
            background: var(--color-bg);
            padding-top: 30px;
            padding-bottom: 96px;
        }

        .cta-section {
            position: relative;
            background:
                radial-gradient(circle at 75% 20%, rgba(212, 160, 23, .28), transparent 40%),
                linear-gradient(135deg, rgba(14, 28, 62, .96), rgba(34, 60, 122, .94)),
                url('/assets/images/backpic/back-3.png') center / cover no-repeat;
            border-radius: 32px;
            padding: 58px 40px;
            text-align: center;
            color: #fff;
            overflow: hidden;
        }

        .cta-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .18);
            padding: 6px 16px;
            border-radius: 999px;
            color: var(--color-accent);
            font-weight: 700;
            font-size: .85rem;
            margin-bottom: 18px;
        }

        .cta-section h2 {
            color: #fff;
            font-size: 2rem;
            font-weight: 800;
            margin: 0 0 12px;
        }

        .cta-section p {
            color: rgba(255, 255, 255, .8);
            max-width: 640px;
            margin: 0 auto 28px;
            font-size: 1.02rem;
        }

        .cta-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
        }

        .site-footer {
            background: #0f1b36;
            color: #aab5d0;
            padding: 72px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 42px;
        }

        .footer-brand .brand {
            color: #fff;
            font-size: 1.3rem;
        }

        .footer-brand p {
            margin: 18px 0 20px;
            max-width: 360px;
            font-size: .92rem;
            line-height: 1.8;
            color: #9fabc8;
        }

        .footer-social a {
            width: 40px;
            height: 40px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(255, 255, 255, .08);
            color: #fff;
            margin-right: 10px;
            transition: all .25s ease;
        }

        .footer-social a:hover {
            background: var(--color-accent);
            color: #111;
            transform: translateY(-3px);
        }

        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin: 0 0 16px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col li {
            margin-bottom: 8px;
        }

        .footer-col a {
            color: #aab5d0;
            font-size: .92rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all .25s ease;
        }

        .footer-col a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-col a i {
            color: var(--color-accent);
            font-size: .72rem;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .10);
            padding-top: 22px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 10px;
            font-size: .86rem;
            color: #7e8ab0;
        }

        .footer-links a {
            color: #7e8ab0;
            margin-left: 18px;
        }

        .footer-links a:hover {
            color: #fff;
        }

        @media (max-width: 1024px) {
            .main-nav a {
                padding: 9px 13px;
                font-size: .9rem;
            }

            .header-inner {
                gap: 14px;
            }

            .header-cta {
                padding: 9px 16px;
                font-size: .88rem;
            }

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

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

        @media (max-width: 900px) {
            .article-banner {
                padding: 60px 0 110px;
            }

            .article-wrap {
                margin-top: -48px;
            }

            .banner-caption h1 {
                font-size: 2.1rem;
            }

            .section {
                --section-space: 72px;
            }
        }

        @media (max-width: 768px) {
            .main-nav,
            .header-cta {
                display: none;
            }

            .mobile-tabs {
                display: flex;
            }

            body {
                padding-bottom: 68px;
            }

            .header-inner {
                height: 64px;
            }

            .brand {
                font-size: 1.18rem;
            }

            .article-wrap {
                margin-top: -34px;
                padding-bottom: 70px;
            }

            .article-card {
                padding: 26px;
            }

            .article-meta {
                gap: 10px;
                font-size: .85rem;
            }

            .article-content {
                font-size: 1rem;
            }

            .explore-grid {
                grid-template-columns: 1fr;
            }

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

            .cta-section {
                padding: 40px 24px;
                border-radius: 24px;
            }

            .cta-section h2 {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 520px) {
            .brand span {
                font-size: 1.05rem;
            }

            .article-banner {
                padding: 48px 0 96px;
            }

            .banner-caption h1 {
                font-size: 1.72rem;
            }

            .banner-caption p {
                font-size: .98rem;
            }

            .article-card {
                padding: 20px;
                border-radius: 18px;
            }

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

            .cta-buttons {
                flex-direction: column;
            }

            .cta-buttons .btn {
                width: 100%;
            }

            .section-head h2 {
                font-size: 1.55rem;
            }

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

            .footer-links a {
                margin-left: 0;
                margin-right: 18px;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            * {
                transition: none !important;
                animation: none !important;
                scroll-behavior: auto !important;
            }
        }

/* roulang page: category2 */
:root {
      --primary: #0f1b2d;
      --primary-light: #1c2f4a;
      --accent: #c9a35c;
      --accent-light: #e0bd7a;
      --bg: #f4f6fb;
      --bg-soft: #eef1f7;
      --white: #ffffff;
      --text: #23405f;
      --text-muted: #67758b;
      --heading: #12263a;
      --border: #e3e8f0;
      --radius: 16px;
      --radius-sm: 10px;
      --shadow: 0 12px 32px rgba(15, 23, 42, 0.08);
      --shadow-lg: 0 22px 48px rgba(15, 23, 42, 0.14);
      --container: 1280px;
      --space: 96px;
    }

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

    html { scroll-behavior: smooth; }

    body {
      font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
      background: var(--bg);
      color: var(--text);
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }

    a { text-decoration: none; color: inherit; transition: color 0.25s ease; }
    img { max-width: 100%; display: block; }
    ul, ol { list-style: none; }
    button { font-family: inherit; cursor: pointer; border: none; background: none; }

    .container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
    .row { max-width: var(--container); }
    .section { padding: var(--space) 0; }
    .section-head { text-align: center; max-width: 760px; margin: 0 auto 56px; }
    .section-head.left { text-align: left; margin-left: 0; }

    .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(201, 163, 92, 0.12);
      color: var(--accent);
      font-size: 0.85rem;
      font-weight: 600;
      padding: 6px 16px;
      border-radius: 999px;
      letter-spacing: 0.04em;
      margin-bottom: 14px;
    }

    .section-tag::before {
      content: "";
      width: 8px; height: 8px;
      background: var(--accent);
      border-radius: 50%;
    }

    .section-head h2 {
      font-size: 2.2rem;
      color: var(--heading);
      margin: 14px 0 12px;
      font-weight: 700;
      line-height: 1.3;
    }

    .section-head p {
      color: var(--text-muted);
      font-size: 1.02rem;
      max-width: 620px;
      margin: 0 auto;
    }

    .section-head.left p { margin-left: 0; }

    /* Button */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 26px;
      border-radius: 999px;
      font-size: 0.95rem;
      font-weight: 600;
      letter-spacing: 0.02em;
      transition: all 0.3s ease;
      border: 2px solid transparent;
      line-height: 1.4;
    }

    .btn-primary {
      background: var(--accent);
      color: #0f1b2d;
      box-shadow: 0 8px 24px rgba(201, 163, 92, 0.35);
    }
    .btn-primary:hover { background: var(--accent-light); transform: translateY(-2px); box-shadow: 0 12px 30px rgba(201, 163, 92, 0.4); }

    .btn-ghost {
      background: rgba(255, 255, 255, 0.1);
      color: #ffffff;
      border-color: rgba(255, 255, 255, 0.4);
    }
    .btn-ghost:hover { background: rgba(255, 255, 255, 0.2); border-color: #ffffff; transform: translateY(-2px); }

    .btn-accent {
      background: linear-gradient(135deg, var(--accent-light), var(--accent));
      color: #0d1a2e;
      font-weight: 700;
      padding: 10px 20px;
      font-size: 0.9rem;
      border-radius: 999px;
      box-shadow: 0 6px 18px rgba(201, 163, 92, 0.3);
      transition: all 0.3s ease;
    }
    .btn-accent:hover { box-shadow: 0 10px 28px rgba(201, 163, 92, 0.4); transform: translateY(-2px); }

    /* Header */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(15, 27, 45, 0.92);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
      gap: 24px;
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.3rem;
      font-weight: 800;
      color: #ffffff;
      letter-spacing: 0.02em;
      white-space: nowrap;
    }

    .brand i {
      color: var(--accent);
      font-size: 1.4rem;
    }

    .main-nav {
      display: flex;
      align-items: center;
      gap: 4px;
      margin-left: auto;
    }

    .main-nav a {
      padding: 10px 16px;
      border-radius: 10px;
      color: #c7d3e3;
      font-size: 0.95rem;
      font-weight: 500;
      transition: all 0.25s ease;
      line-height: 1.4;
    }

    .main-nav a:hover {
      background: rgba(255, 255, 255, 0.08);
      color: #ffffff;
    }

    .main-nav a.active {
      background: rgba(201, 163, 92, 0.16);
      color: var(--accent);
      font-weight: 600;
    }

    .header-actions { display: flex; align-items: center; gap: 12px; }

    .header-search {
      display: flex;
      align-items: center;
      background: rgba(255, 255, 255, 0.1);
      border-radius: 999px;
      padding: 0 16px;
      height: 38px;
      gap: 8px;
      border: 1px solid rgba(255, 255, 255, 0.1);
    }

    .header-search input {
      background: transparent;
      border: none;
      outline: none;
      color: #ffffff;
      font-size: 0.85rem;
      width: 140px;
    }

    .header-search input::placeholder { color: rgba(255, 255, 255, 0.5); }
    .header-search i { color: rgba(255, 255, 255, 0.6); font-size: 0.85rem; }

    /* Bottom Tabbar */
    .bottom-tabbar {
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;
      z-index: 120;
      background: rgba(15, 27, 45, 0.97);
      backdrop-filter: blur(14px);
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      display: none;
      padding-bottom: env(safe-area-inset-bottom);
    }

    .bottom-tabbar a {
      flex: 1;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 3px;
      padding: 10px 4px 8px;
      color: #94a3b8;
      font-size: 0.7rem;
      font-weight: 500;
      line-height: 1.2;
      transition: color 0.25s ease;
    }

    .bottom-tabbar a i { font-size: 1.2rem; }
    .bottom-tabbar a span { letter-spacing: 0.02em; }
    .bottom-tabbar a:hover { color: #ffffff; }
    .bottom-tabbar a.active { color: var(--accent); font-weight: 600; }

    /* Hero */
    .page-hero {
      position: relative;
      background-size: cover;
      background-position: center;
      padding: 120px 0 100px;
      color: #ffffff;
      overflow: hidden;
    }

    .hero-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(120deg, rgba(15, 27, 45, 0.94), rgba(15, 27, 45, 0.72) 55%, rgba(201, 163, 92, 0.25));
      z-index: 1;
    }

    .hero-content {
      position: relative;
      z-index: 2;
    }

    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(255, 255, 255, 0.12);
      border: 1px solid rgba(255, 255, 255, 0.2);
      padding: 8px 18px;
      border-radius: 999px;
      font-size: 0.85rem;
      font-weight: 600;
      margin-bottom: 22px;
      color: var(--accent-light);
    }

    .page-hero h1 {
      font-size: 3.4rem;
      font-weight: 800;
      line-height: 1.15;
      margin-bottom: 18px;
      letter-spacing: 0.02em;
    }

    .page-hero .hero-desc {
      max-width: 640px;
      font-size: 1.1rem;
      color: rgba(255, 255, 255, 0.85);
      margin-bottom: 28px;
      line-height: 1.8;
    }

    .hero-breadcrumb {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 0.92rem;
      color: rgba(255, 255, 255, 0.65);
    }

    .hero-breadcrumb a { color: rgba(255, 255, 255, 0.85); }
    .hero-breadcrumb a:hover { color: var(--accent-light); }
    .hero-breadcrumb .current { color: var(--accent-light); font-weight: 600; }

    /* Feature Cards */
    .feature-section { background: var(--white); }

    .feature-card {
      background: var(--bg);
      border-radius: var(--radius);
      padding: 40px 32px;
      height: 100%;
      border: 1px solid var(--border);
      transition: all 0.35s ease;
      position: relative;
      overflow: hidden;
    }

    .feature-card::after {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 4px;
      background: linear-gradient(90deg, var(--accent), var(--accent-light));
      transform: scaleX(0);
      transform-origin: left;
      transition: transform 0.35s ease;
    }

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

    .feature-card:hover::after { transform: scaleX(1); }

    .feature-icon {
      width: 60px;
      height: 60px;
      border-radius: 16px;
      background: linear-gradient(135deg, rgba(201, 163, 92, 0.2), rgba(201, 163, 92, 0.05));
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      color: var(--accent);
      margin-bottom: 22px;
    }

    .feature-card h3 {
      font-size: 1.2rem;
      color: var(--heading);
      margin-bottom: 12px;
      font-weight: 700;
    }

    .feature-card p {
      color: var(--text-muted);
      font-size: 0.95rem;
      line-height: 1.75;
    }

    /* Topic Cards */
    .topic-section { background: var(--bg); }

    .grid-x.grid-margin-x > .cell { display: flex; margin-bottom: 24px; }

    .topic-card {
      background: var(--white);
      border-radius: var(--radius);
      overflow: hidden;
      border: 1px solid var(--border);
      box-shadow: 0 4px 14px rgba(15, 23, 42, 0.04);
      transition: all 0.35s ease;
      display: flex;
      flex-direction: column;
      width: 100%;
    }

    .topic-card:hover {
      transform: translateY(-8px);
      box-shadow: var(--shadow-lg);
      border-color: rgba(201, 163, 92, 0.35);
    }

    .topic-media {
      position: relative;
      overflow: hidden;
      aspect-ratio: 16 / 10;
      background: var(--primary);
    }

    .topic-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }

    .topic-card:hover .topic-media img { transform: scale(1.06); }

    .topic-media::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(15, 27, 45, 0) 50%, rgba(15, 27, 45, 0.18));
    }

    .topic-tag {
      position: absolute;
      top: 14px;
      left: 14px;
      background: rgba(15, 27, 45, 0.82);
      color: var(--accent-light);
      font-size: 0.78rem;
      font-weight: 600;
      padding: 5px 14px;
      border-radius: 999px;
      z-index: 2;
      backdrop-filter: blur(6px);
      border: 1px solid rgba(255, 255, 255, 0.12);
    }

    .topic-body {
      padding: 24px 24px 26px;
      display: flex;
      flex-direction: column;
      flex: 1;
    }

    .topic-body h3 {
      font-size: 1.15rem;
      color: var(--heading);
      margin-bottom: 10px;
      font-weight: 700;
    }

    .topic-body h3 a:hover { color: var(--accent); }

    .topic-body p {
      color: var(--text-muted);
      font-size: 0.92rem;
      line-height: 1.75;
      flex: 1;
    }

    .topic-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding-top: 16px;
      margin-top: 14px;
      border-top: 1px solid var(--border);
      color: var(--text-muted);
      font-size: 0.82rem;
    }

    .topic-meta span { display: inline-flex; align-items: center; gap: 6px; }
    .topic-meta i { color: var(--accent); }

    /* Learning Path */
    .path-section {
      background:
        linear-gradient(rgba(15, 27, 45, 0.96), rgba(15, 27, 45, 0.96)),
        url('/assets/images/backpic/back-2.png') center/cover fixed;
      color: #ffffff;
    }

    .path-section .section-head h2 { color: #ffffff; }
    .path-section .section-head p { color: rgba(255, 255, 255, 0.7); }
    .path-section .section-tag { background: rgba(255, 255, 255, 0.1); color: var(--accent-light); }

    .learning-path {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 24px;
      max-width: 1200px;
      margin: 0 auto;
    }

    .path-step {
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.14);
      border-radius: var(--radius);
      padding: 32px 24px;
      position: relative;
      transition: all 0.35s ease;
      backdrop-filter: blur(10px);
      height: 100%;
    }

    .path-step::before {
      content: "";
      position: absolute;
      top: 0;
      left: 24px;
      right: 24px;
      height: 3px;
      background: linear-gradient(90deg, var(--accent), rgba(201, 163, 92, 0.1));
      border-radius: 0 0 6px 6px;
      opacity: 0.7;
    }

    .path-step:hover {
      background: rgba(255, 255, 255, 0.1);
      transform: translateY(-6px);
      border-color: rgba(201, 163, 92, 0.35);
    }

    .step-num {
      font-size: 2rem;
      font-weight: 800;
      color: var(--accent);
      opacity: 0.85;
      margin-bottom: 16px;
      font-family: Georgia, serif;
      line-height: 1;
    }

    .path-step h4 {
      font-size: 1.1rem;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 10px;
    }

    .path-step p {
      font-size: 0.88rem;
      color: rgba(255, 255, 255, 0.7);
      line-height: 1.7;
    }

    /* Posts & Sidebar */
    .posts-section { background: var(--bg); }

    .post-list {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .post-item {
      display: flex;
      gap: 16px;
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 26px 24px;
      transition: all 0.3s ease;
    }

    .post-item:hover {
      box-shadow: var(--shadow);
      transform: translateY(-3px);
      border-color: rgba(201, 163, 92, 0.3);
    }

    .post-tag {
      background: linear-gradient(135deg, var(--accent), var(--accent-light));
      color: #0f1b2d;
      font-size: 0.78rem;
      font-weight: 700;
      padding: 4px 10px;
      border-radius: 8px;
      height: max-content;
      white-space: nowrap;
    }

    .post-content h3 {
      font-size: 1.05rem;
      color: var(--heading);
      margin-bottom: 6px;
      font-weight: 700;
      line-height: 1.5;
    }

    .post-content h3 a:hover { color: var(--accent); }

    .post-content p {
      color: var(--text-muted);
      font-size: 0.9rem;
      line-height: 1.65;
      margin-bottom: 10px;
    }

    .post-meta {
      display: flex;
      align-items: center;
      gap: 18px;
      font-size: 0.82rem;
      color: var(--text-muted);
    }

    .post-meta i { color: var(--accent); margin-right: 4px; }

    .post-link {
      color: var(--accent);
      font-weight: 600;
      margin-left: auto;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .post-link:hover { gap: 10px; }

    /* Sidebar */
    .sidebar {
      display: flex;
      flex-direction: column;
      gap: 24px;
    }

    .side-card {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 28px 24px;
      box-shadow: 0 4px 14px rgba(15, 23, 42, 0.04);
    }

    .side-card h4 {
      font-size: 1rem;
      color: var(--heading);
      margin-bottom: 18px;
      font-weight: 700;
      padding-bottom: 12px;
      border-bottom: 2px solid var(--bg-soft);
      position: relative;
    }

    .side-card h4::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: -2px;
      width: 36px;
      height: 2px;
      background: var(--accent);
      border-radius: 2px;
    }

    .summary-card {
      background: linear-gradient(145deg, var(--primary), var(--primary-light));
      color: #ffffff;
      border: none;
    }

    .summary-card .summary-icon {
      width: 52px;
      height: 52px;
      background: rgba(201, 163, 92, 0.18);
      border-radius: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.2rem;
      color: var(--accent);
      margin-bottom: 16px;
    }

    .summary-card h4 { color: #ffffff; border-bottom-color: rgba(255, 255, 255, 0.1); }
    .summary-card h4::after { background: var(--accent); }

    .summary-stats {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

    .summary-stats div {
      background: rgba(255, 255, 255, 0.08);
      border-radius: 12px;
      padding: 16px 12px;
      text-align: center;
    }

    .summary-stats strong {
      display: block;
      font-size: 1.5rem;
      font-weight: 800;
      color: var(--accent-light);
      line-height: 1.2;
    }

    .summary-stats span {
      display: block;
      font-size: 0.78rem;
      color: rgba(255, 255, 255, 0.7);
      margin-top: 4px;
    }

    .side-links li { margin-bottom: 4px; }

    .side-links a {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 10px 12px;
      border-radius: 10px;
      color: var(--text);
      font-size: 0.92rem;
      transition: all 0.2s ease;
    }

    .side-links a:hover {
      background: var(--bg);
      color: var(--accent);
      padding-left: 16px;
    }

    .side-links i {
      color: var(--accent);
      font-size: 0.85rem;
      width: 20px;
      text-align: center;
    }

    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .tag-cloud a {
      background: var(--bg);
      border: 1px solid var(--border);
      color: var(--text-muted);
      font-size: 0.8rem;
      padding: 5px 14px;
      border-radius: 999px;
      transition: all 0.25s ease;
    }

    .tag-cloud a:hover {
      background: var(--accent);
      border-color: var(--accent);
      color: #ffffff;
      transform: translateY(-2px);
    }

    /* Stats */
    .stats-section {
      background: linear-gradient(135deg, var(--primary), #14283f);
      padding: 80px 0;
      color: #ffffff;
    }

    .stats-section .cell { margin-bottom: 20px; }

    .stat-item {
      text-align: center;
      padding: 24px 12px;
      border-right: 1px solid rgba(255, 255, 255, 0.12);
    }

    .stats-section .cell:last-child .stat-item { border-right: none; }

    .stat-value {
      font-size: 2.8rem;
      font-weight: 800;
      color: var(--accent-light);
      line-height: 1.2;
      margin-bottom: 6px;
      font-family: Georgia, serif;
    }

    .stat-label {
      font-size: 0.95rem;
      color: rgba(255, 255, 255, 0.75);
      letter-spacing: 0.05em;
    }

    /* FAQ */
    .faq-section { background: var(--white); }

    .faq-list {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .faq-item {
      border: 1px solid var(--border);
      border-radius: var(--radius);
      background: var(--bg);
      overflow: hidden;
      transition: all 0.3s ease;
    }

    .faq-item:hover { border-color: rgba(201, 163, 92, 0.3); }

    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 22px 26px;
      text-align: left;
      font-size: 1rem;
      font-weight: 600;
      color: var(--heading);
      background: transparent;
      transition: background 0.3s ease;
      line-height: 1.5;
    }

    .faq-question:hover { background: rgba(201, 163, 92, 0.04); }

    .faq-question i {
      color: var(--accent);
      transition: transform 0.3s ease;
      flex-shrink: 0;
      font-size: 0.9rem;
    }

    .faq-question[aria-expanded="true"] { color: var(--accent); }
    .faq-question[aria-expanded="true"] i { transform: rotate(180deg); }

    .faq-answer {
      padding: 0 26px 22px;
      color: var(--text-muted);
      font-size: 0.95rem;
      line-height: 1.8;
      border-top: 1px solid var(--border);
      padding-top: 18px;
      margin-top: 0;
    }

    /* CTA */
    .cta-section {
      background:
        linear-gradient(rgba(15, 27, 45, 0.85), rgba(15, 27, 45, 0.85)),
        url('/assets/images/backpic/back-3.png') center/cover;
      padding: 0;
    }

    .cta-box {
      background: linear-gradient(135deg, rgba(201, 163, 92, 0.92), rgba(201, 163, 92, 0.75));
      border-radius: 28px;
      padding: 64px 56px;
      text-align: center;
      color: #0f1b2d;
      box-shadow: var(--shadow-lg);
      transform: translateY(60px);
      margin-bottom: -60px;
      position: relative;
      z-index: 5;
      border: 1px solid rgba(255, 255, 255, 0.4);
      backdrop-filter: blur(10px);
    }

    .cta-box h2 {
      font-size: 2rem;
      font-weight: 800;
      margin-bottom: 14px;
      color: #0f1b2d;
    }

    .cta-box p {
      max-width: 560px;
      margin: 0 auto 32px;
      color: rgba(15, 27, 45, 0.8);
      font-size: 1.02rem;
    }

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

    .cta-actions .btn-primary {
      background: #0f1b2d;
      color: var(--accent-light);
      box-shadow: 0 8px 24px rgba(15, 27, 45, 0.3);
    }

    .cta-actions .btn-primary:hover { background: #1c2f4a; transform: translateY(-2px); }

    .cta-actions .btn-ghost {
      background: transparent;
      color: #0f1b2d;
      border-color: rgba(15, 27, 45, 0.4);
    }

    .cta-actions .btn-ghost:hover { border-color: #0f1b2d; background: rgba(15, 27, 45, 0.06); }

    /* Footer */
    .site-footer {
      background: #0b1524;
      color: #93a3b8;
      padding-top: 120px;
      font-size: 0.92rem;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.6fr 1fr 1fr 1fr;
      gap: 40px;
      padding-bottom: 48px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .footer-brand .brand {
      margin-bottom: 16px;
    }

    .footer-brand p {
      color: rgba(255, 255, 255, 0.6);
      line-height: 1.8;
      margin-bottom: 20px;
      max-width: 320px;
    }

    .footer-social {
      display: flex;
      gap: 10px;
    }

    .footer-social a {
      width: 40px;
      height: 40px;
      border-radius: 10px;
      background: rgba(255, 255, 255, 0.08);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 0.95rem;
      transition: all 0.3s ease;
    }

    .footer-social a:hover {
      background: var(--accent);
      color: #0f1b2d;
      transform: translateY(-3px);
    }

    .footer-col h4 {
      color: #ffffff;
      font-size: 1rem;
      margin-bottom: 20px;
      font-weight: 700;
      letter-spacing: 0.03em;
    }

    .footer-col ul li { margin-bottom: 10px; }

    .footer-col ul a {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: rgba(255, 255, 255, 0.6);
      transition: all 0.25s ease;
      line-height: 1.5;
    }

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

    .footer-col ul i {
      font-size: 0.65rem;
      color: var(--accent);
    }

    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
      padding: 24px 0;
      font-size: 0.85rem;
      color: rgba(255, 255, 255, 0.45);
    }

    .footer-bottom p { margin: 0; }

    .footer-links {
      display: flex;
      gap: 18px;
    }

    .footer-links a {
      color: rgba(255, 255, 255, 0.45);
      transition: color 0.25s ease;
    }

    .footer-links a:hover { color: var(--accent-light); }

    /* Responsive */
    @media (max-width: 1024px) {
      :root { --space: 72px; }
      .page-hero { padding: 100px 0 80px; }
      .page-hero h1 { font-size: 2.8rem; }
      .learning-path { grid-template-columns: repeat(3, 1fr); }
      .footer-grid { grid-template-columns: 1fr 1fr; }
      .header-search { display: none; }
      .stats-section .stat-value { font-size: 2.2rem; }
    }

    @media (max-width: 768px) {
      :root { --space: 60px; }
      .site-header .main-nav, .site-header .header-actions { display: none; }
      .bottom-tabbar { display: flex; }
      body { padding-bottom: 64px; }
      .page-hero { padding: 80px 0 64px; }
      .page-hero h1 { font-size: 2.1rem; }
      .page-hero .hero-desc { font-size: 1rem; }
      .section-head h2 { font-size: 1.7rem; }
      .section-head p { font-size: 0.95rem; }
      .cta-box { padding: 48px 24px; }
      .cta-box h2 { font-size: 1.6rem; }
      .learning-path { grid-template-columns: 1fr; }
      .stats-section { padding: 60px 0; }
      .stat-item { border-right: none; border-bottom: 1px solid rgba(255, 255, 255, 0.1); }
      .stats-section .cell:last-child .stat-item { border-bottom: none; }
      .site-footer { padding-top: 100px; }
      .footer-grid { grid-template-columns: 1fr; gap: 32px; }
      .footer-bottom { flex-direction: column; text-align: center; }
    }

    @media (max-width: 520px) {
      .container { padding: 0 18px; }
      .page-hero h1 { font-size: 1.8rem; }
      .hero-tag { font-size: 0.78rem; }
      .topic-body { padding: 20px; }
      .post-item { flex-direction: column; gap: 10px; }
      .post-meta { flex-wrap: wrap; }
      .post-link { margin-left: 0; }
      .cta-actions .btn { width: 100%; }
      .feature-card { padding: 28px 24px; }
      .summary-stats { grid-template-columns: 1fr; }
    }

    /* Focus visibility */
    a:focus-visible, button:focus-visible, .btn:focus-visible {
      outline: 3px solid rgba(201, 163, 92, 0.5);
      outline-offset: 2px;
      border-radius: 6px;
    }

/* roulang page: category3 */
:root {
            --primary: #0d1f3c;
            --primary-dark: #081528;
            --primary-light: #1b3a6b;
            --accent: #d4a53f;
            --accent-light: #e8c87a;
            --accent-dark: #b5892e;
            --bg: #f4f6fb;
            --surface: #ffffff;
            --text: #1a2333;
            --text-light: #5b6478;
            --text-muted: #8b94a7;
            --border: #e6eaf2;
            --radius: 16px;
            --radius-lg: 28px;
            --radius-sm: 10px;
            --shadow: 0 4px 24px rgba(13, 31, 60, .07);
            --shadow-hover: 0 16px 48px rgba(13, 31, 60, .13);
            --shadow-accent: 0 8px 32px rgba(212, 165, 63, .28);
            --space-section: 100px;
            --space-section-mobile: 64px;
            --font-main: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-main);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .3s ease, opacity .3s ease;
        }
        a:hover {
            color: var(--accent);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        /* ========== Header / Nav ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(13, 31, 60, .96);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, .06);
            transition: box-shadow .3s ease;
        }
        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, .25);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 20px;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            letter-spacing: .5px;
            white-space: nowrap;
        }
        .brand i {
            color: var(--accent);
            font-size: 24px;
        }
        .brand span {
            background: linear-gradient(135deg, #fff 60%, var(--accent-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .brand:hover {
            color: #fff;
            opacity: .92;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .main-nav a {
            color: rgba(255, 255, 255, .8);
            font-size: 15px;
            font-weight: 500;
            padding: 10px 18px;
            border-radius: 10px;
            transition: all .3s ease;
            position: relative;
        }
        .main-nav a:hover {
            color: #fff;
            background: rgba(255, 255, 255, .08);
        }
        .main-nav a.active {
            color: var(--accent-light);
            background: rgba(212, 165, 63, .14);
            font-weight: 600;
        }
        .main-nav a.active::after {
            content: "";
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 22px;
            height: 3px;
            border-radius: 3px;
            background: var(--accent);
        }
        .header-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .header-cta .btn {
            padding: 8px 20px;
            font-size: 14px;
        }
        /* ========== Buttons ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 12px;
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            border: none;
            cursor: pointer;
            transition: all .35s ease;
            text-decoration: none;
            background: var(--accent);
            color: var(--primary-dark);
            box-shadow: 0 4px 16px rgba(212, 165, 63, .25);
        }
        .btn:hover {
            background: var(--accent-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-accent);
        }
        .btn:active {
            transform: translateY(0) scale(.98);
        }
        .btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, .35);
            box-shadow: none;
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, .1);
            border-color: rgba(255, 255, 255, .6);
            color: #fff;
        }
        .btn-light {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 4px 16px rgba(0, 0, 0, .08);
        }
        .btn-light:hover {
            background: #f0f0f0;
            color: var(--primary);
        }
        .btn-sm {
            padding: 7px 16px;
            font-size: 13px;
            border-radius: 8px;
        }
        /* ========== Hero ========== */
        .category-hero {
            position: relative;
            padding: 120px 0 100px;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
            overflow: hidden;
            text-align: center;
        }
        .category-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: .22;
            z-index: 1;
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .12);
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, .15);
            color: var(--accent-light);
            font-size: 13px;
            font-weight: 600;
            padding: 8px 20px;
            border-radius: 40px;
            margin-bottom: 24px;
            letter-spacing: 1px;
        }
        .category-hero h1 {
            font-size: 52px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 18px;
            letter-spacing: 1px;
        }
        .category-hero h1 i {
            color: var(--accent);
            margin-right: 10px;
        }
        .category-hero p {
            font-size: 18px;
            color: rgba(255, 255, 255, .8);
            max-width: 620px;
            margin: 0 auto 36px;
            line-height: 1.8;
        }
        .hero-tags {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .hero-tags span {
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .15);
            color: rgba(255, 255, 255, .9);
            padding: 6px 16px;
            border-radius: 40px;
            font-size: 13px;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            backdrop-filter: blur(4px);
        }
        .hero-tags span i {
            color: var(--accent);
        }
        /* ========== Section common ========== */
        .section {
            padding: var(--space-section) 0;
        }
        .section-alt {
            background: var(--surface);
        }
        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 56px;
        }
        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--accent-dark);
            font-size: 14px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 3px;
            margin-bottom: 14px;
        }
        .section-title {
            font-size: 38px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.3;
            margin-bottom: 14px;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-light);
            line-height: 1.8;
        }
        /* ========== Event Categories ========== */
        .event-categories {
            padding: var(--space-section) 0;
        }
        .event-cat-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 16px;
        }
        .event-cat-card {
            background: var(--surface);
            border-radius: var(--radius);
            padding: 32px 24px;
            text-align: center;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: all .35s ease;
            position: relative;
            overflow: hidden;
        }
        .event-cat-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--accent), var(--accent-light));
            opacity: 0;
            transition: opacity .35s ease;
        }
        .event-cat-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .event-cat-card:hover::before {
            opacity: 1;
        }
        .event-cat-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 20px;
            border-radius: 18px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-light);
            font-size: 26px;
        }
        .event-cat-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .event-cat-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
        }
        .event-cat-card .tag-count {
            display: inline-block;
            margin-top: 14px;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-dark);
            background: rgba(212, 165, 63, .1);
            padding: 4px 14px;
            border-radius: 20px;
        }
        /* ========== Latest News Cards ========== */
        .latest-news {
            padding: var(--space-section) 0;
            background: var(--surface);
        }
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .news-card {
            background: var(--bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: all .35s ease;
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .news-thumb {
            position: relative;
            height: 210px;
            overflow: hidden;
        }
        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .news-card:hover .news-thumb img {
            transform: scale(1.06);
        }
        .news-thumb .badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--accent);
            color: var(--primary-dark);
            font-size: 13px;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 20px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, .15);
        }
        .news-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-body .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 12px;
        }
        .news-body .news-meta i {
            color: var(--accent);
        }
        .news-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.5;
            margin-bottom: 10px;
            transition: color .3s ease;
        }
        .news-card:hover .news-body h3 {
            color: var(--accent-dark);
        }
        .news-body p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }
        .news-body .read-more {
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-dark);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap .3s ease;
        }
        .news-body .read-more:hover {
            gap: 10px;
            color: var(--primary);
        }
        .news-body .read-more i {
            font-size: 12px;
        }
        /* ========== Timeline ========== */
        .timeline-section {
            position: relative;
            padding: var(--space-section) 0;
            background: var(--primary-dark);
            overflow: hidden;
        }
        .timeline-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: .12;
            z-index: 1;
        }
        .timeline-section .container {
            position: relative;
            z-index: 2;
        }
        .timeline-section .section-title {
            color: #fff;
        }
        .timeline-section .section-desc {
            color: rgba(255, 255, 255, .75);
        }
        .timeline {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 48px;
            position: relative;
        }
        .timeline::before {
            content: "";
            position: absolute;
            top: 28px;
            left: 8%;
            right: 8%;
            height: 3px;
            background: linear-gradient(90deg, rgba(212, 165, 63, .6), rgba(255, 255, 255, .15));
            border-radius: 3px;
        }
        .timeline-item {
            text-align: center;
            position: relative;
            padding-top: 20px;
        }
        .timeline-dot {
            width: 56px;
            height: 56px;
            margin: 0 auto 16px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .08);
            border: 2px solid rgba(212, 165, 63, .6);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 20px;
            position: relative;
            z-index: 2;
            box-shadow: 0 0 0 6px rgba(212, 165, 63, .12);
        }
        .timeline-item h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .timeline-item p {
            color: rgba(255, 255, 255, .65);
            font-size: 13px;
            line-height: 1.6;
            max-width: 220px;
            margin: 0 auto;
        }
        .timeline-phase {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-light);
            background: rgba(212, 165, 63, .15);
            border: 1px solid rgba(212, 165, 63, .25);
            padding: 3px 12px;
            border-radius: 20px;
            margin-bottom: 10px;
        }
        /* ========== Steps ========== */
        .steps-section {
            padding: var(--space-section) 0;
        }
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            margin-top: 20px;
        }
        .step-card {
            position: relative;
            background: var(--surface);
            border-radius: var(--radius);
            padding: 40px 24px 28px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: all .35s ease;
            text-align: center;
        }
        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .step-num {
            position: absolute;
            top: -18px;
            left: 50%;
            transform: translateX(-50%);
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 800;
            font-size: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 6px 16px rgba(212, 165, 63, .35);
        }
        .step-icon {
            font-size: 32px;
            color: var(--primary);
            margin-bottom: 16px;
        }
        .step-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .step-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
        }
        /* ========== FAQ ========== */
        .faq-section {
            padding: var(--space-section) 0;
            background: var(--surface);
        }
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            max-width: 920px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px;
            transition: all .3s ease;
        }
        .faq-item:hover {
            border-color: rgba(212, 165, 63, .5);
            box-shadow: var(--shadow);
        }
        .faq-item h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }
        .faq-item h3 i {
            color: var(--accent);
            font-size: 18px;
            margin-top: 2px;
        }
        .faq-item p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.8;
            padding-left: 28px;
        }
        /* ========== CTA ========== */
        .cta-section {
            padding: 80px 0;
            position: relative;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            text-align: center;
            overflow: hidden;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            opacity: .15;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            color: #fff;
            font-size: 36px;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, .75);
            font-size: 16px;
            margin-bottom: 32px;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }
        /* ========== Footer ========== */
        .site-footer {
            background: #08101d;
            color: rgba(255, 255, 255, .65);
            padding: 72px 0 28px;
        }
        .site-footer a {
            color: rgba(255, 255, 255, .65);
        }
        .site-footer a:hover {
            color: var(--accent-light);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 48px;
        }
        .footer-brand .brand {
            margin-bottom: 16px;
            font-size: 20px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            margin-bottom: 20px;
            max-width: 260px;
        }
        .footer-social {
            display: flex;
            gap: 10px;
        }
        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: all .3s ease;
        }
        .footer-social a:hover {
            background: var(--accent);
            color: var(--primary-dark);
            transform: translateY(-3px);
        }
        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-col h4::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 3px;
            border-radius: 3px;
            background: var(--accent);
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all .3s ease;
        }
        .footer-col ul li a i {
            font-size: 11px;
            color: var(--accent);
            transition: transform .3s ease;
        }
        .footer-col ul li a:hover i {
            transform: translateX(4px);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .07);
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
        }
        .footer-bottom p {
            margin: 0;
        }
        .footer-links {
            display: flex;
            gap: 18px;
        }
        .footer-links a {
            font-size: 13px;
        }
        /* ========== Mobile Tabbar ========== */
        .mobile-tabbar {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1200;
            background: rgba(13, 31, 60, .98);
            backdrop-filter: blur(16px);
            border-top: 1px solid rgba(255, 255, 255, .08);
            box-shadow: 0 -6px 24px rgba(0, 0, 0, .2);
            padding: 6px 8px 12px;
            justify-content: space-around;
        }
        .mobile-tabbar a {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 4px;
            color: rgba(255, 255, 255, .55);
            font-size: 11px;
            padding: 6px 12px;
            border-radius: 12px;
            transition: all .3s ease;
            min-width: 60px;
        }
        .mobile-tabbar a i {
            font-size: 18px;
        }
        .mobile-tabbar a.active {
            color: var(--accent-light);
            background: rgba(212, 165, 63, .12);
        }
        .mobile-tabbar a:hover {
            color: #fff;
        }
        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .event-cat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .timeline {
                grid-template-columns: repeat(2, 1fr);
                gap: 40px 20px;
            }
            .timeline::before {
                display: none;
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 768px) {
            .section {
                padding: var(--space-section-mobile) 0;
            }
            .section-title {
                font-size: 30px;
            }
            .category-hero {
                padding: 90px 0 70px;
            }
            .category-hero h1 {
                font-size: 36px;
            }
            .category-hero p {
                font-size: 16px;
            }
            .site-header .main-nav {
                display: none;
            }
            .header-cta {
                display: none;
            }
            body {
                padding-bottom: 72px;
            }
            .mobile-tabbar {
                display: flex;
            }
            .news-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
            .cta-buttons .btn {
                width: 100%;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .event-cat-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .event-cat-card {
                padding: 22px 16px;
            }
            .event-cat-card h3 {
                font-size: 15px;
            }
            .event-cat-card p {
                font-size: 12px;
            }
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .timeline {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .category-hero h1 {
                font-size: 30px;
            }
            .category-hero p {
                font-size: 15px;
            }
            .hero-tags span {
                font-size: 12px;
                padding: 5px 10px;
            }
        }
        @media (min-width: 769px) {
            .mobile-tabbar {
                display: none !important;
            }
        }
        :focus-visible {
            outline: 3px solid rgba(212, 165, 63, .6);
            outline-offset: 2px;
        }