/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
  --primary: #7c3aed;
  --primary-light: #a78bfa;
  --primary-dark: #5b21b6;
  --accent: #f59e0b;
  --accent-light: #fcd34d;
  --bg-dark: #0b0b1a;
  --bg-section: #111128;
  --bg-card: #1a1a3e;
  --bg-card-hover: #222255;
  --text-white: #f1f5f9;
  --text-light: #cbd5e1;
  --text-muted: #94a3b8;
  --border-color: rgba(124, 58, 237, 0.25);
  --border-light: rgba(255, 255, 255, 0.06);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;
  --shadow-sm: 0 2px 12px rgba(0,0,0,0.3);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.4);
  --shadow-lg: 0 16px 56px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 40px rgba(124,58,237,0.15);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font-sans);
  background: var(--bg-dark);
  color: var(--text-white);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; }
button, input, textarea { font-family: inherit; font-size: inherit; border: none; outline: none; transition: var(--transition); }
ul, ol { list-style: none; }
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
/* ===== 玻璃导航 ===== */
.nav-glass {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 0 24px;
  background: rgba(11, 11, 26, 0.55);
  backdrop-filter: blur(18px) saturate(1.4);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  border-bottom: 1px solid rgba(124, 58, 237, 0.15);
  transition: var(--transition);
}
.nav-glass.scrolled {
  background: rgba(11, 11, 26, 0.88);
  border-bottom: 1px solid rgba(124, 58, 237, 0.3);
  box-shadow: 0 4px 30px rgba(0,0,0,0.5);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  max-width: 1200px;
  margin: 0 auto;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.3px;
}
.nav-brand i { font-size: 1.3rem; -webkit-text-fill-color: var(--primary-light); }
.nav-links { display: flex; align-items: center; gap: 8px; }
.nav-links a {
  padding: 8px 18px;
  border-radius: 30px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-light);
  transition: var(--transition);
  position: relative;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--text-white);
  background: rgba(124, 58, 237, 0.2);
}
.nav-links a.active {
  background: rgba(124, 58, 237, 0.3);
  box-shadow: 0 0 20px rgba(124,58,237,0.1);
}
.nav-cta {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark)) !important;
  color: #fff !important;
  padding: 8px 22px !important;
  border-radius: 30px !important;
  font-weight: 600 !important;
  box-shadow: 0 4px 18px rgba(124,58,237,0.3);
}
.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(124,58,237,0.45) !important;
}
.nav-toggle {
  display: none;
  background: none;
  color: var(--text-white);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 6px 10px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.1);
}
/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 24px 80px;
  background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(11,11,26,0.85) 0%, rgba(17,17,40,0.7) 50%, rgba(11,11,26,0.85) 100%);
  z-index: 1;
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(124,58,237,0.12) 0%, transparent 70%);
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 820px;
  text-align: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(124,58,237,0.2);
  border: 1px solid rgba(124,58,237,0.3);
  padding: 6px 18px;
  border-radius: 30px;
  font-size: 0.85rem;
  color: var(--primary-light);
  margin-bottom: 28px;
  backdrop-filter: blur(4px);
}
.hero-badge i { font-size: 0.75rem; }
.hero h1 {
  font-size: clamp(2.6rem, 7vw, 4.6rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 24px;
  background: linear-gradient(135deg, #f1f5f9 0%, var(--primary-light) 50%, var(--accent-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero p {
  font-size: 1.2rem;
  color: var(--text-light);
  max-width: 640px;
  margin: 0 auto 36px;
  line-height: 1.8;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 34px;
  border-radius: 40px;
  font-weight: 600;
  font-size: 1rem;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 6px 28px rgba(124,58,237,0.35);
  transition: var(--transition);
  border: none;
  cursor: pointer;
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(124,58,237,0.5);
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 34px;
  border-radius: 40px;
  font-weight: 600;
  font-size: 1rem;
  background: transparent;
  color: var(--text-white);
  border: 1.5px solid rgba(255,255,255,0.2);
  transition: var(--transition);
  cursor: pointer;
}
.btn-outline:hover {
  border-color: var(--primary-light);
  background: rgba(124,58,237,0.1);
  transform: translateY(-3px);
}
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  justify-content: center;
  margin-top: 56px;
  padding: 28px 36px;
  background: rgba(255,255,255,0.04);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,0.06);
  backdrop-filter: blur(6px);
}
.hero-stat { text-align: center; }
.hero-stat-number {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-white);
}
.hero-stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 2px;
}
/* ===== 板块通用 ===== */
.section {
  padding: 90px 24px;
}
.section-alt {
  background: var(--bg-section);
}
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 56px;
}
.section-tag {
  display: inline-block;
  padding: 4px 16px;
  border-radius: 30px;
  background: rgba(124,58,237,0.15);
  color: var(--primary-light);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 14px;
  border: 1px solid rgba(124,58,237,0.2);
}
.section h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 16px;
}
.section h2 span {
  background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-sub {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}
/* ===== 分类入口 ===== */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}
.category-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  text-align: center;
  border: 1px solid var(--border-light);
  transition: var(--transition);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: var(--transition);
}
.category-card:hover {
  transform: translateY(-6px);
  border-color: rgba(124,58,237,0.3);
  box-shadow: var(--shadow-glow);
  background: var(--bg-card-hover);
}
.category-card:hover::before { opacity: 1; }
.category-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: rgba(124,58,237,0.15);
  font-size: 1.6rem;
  color: var(--primary-light);
  transition: var(--transition);
}
.category-card:hover .category-icon {
  background: rgba(124,58,237,0.25);
  transform: scale(1.05);
}
.category-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.category-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}
/* ===== 资讯列表 ===== */
.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
}
.post-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-light);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.post-card:hover {
  transform: translateY(-5px);
  border-color: rgba(124,58,237,0.25);
  box-shadow: var(--shadow-glow);
}
.post-card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  background: #1a1a3e;
}
.post-card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.post-card-cat {
  display: inline-block;
  padding: 3px 12px;
  border-radius: 20px;
  background: rgba(124,58,237,0.15);
  color: var(--primary-light);
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 10px;
  align-self: flex-start;
  border: 1px solid rgba(124,58,237,0.2);
}
.post-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.4;
}
.post-card h3 a {
  color: var(--text-white);
  transition: var(--transition);
}
.post-card h3 a:hover { color: var(--primary-light); }
.post-card-excerpt {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.65;
  flex: 1;
  margin-bottom: 14px;
}
.post-card-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.8rem;
  color: var(--text-muted);
  border-top: 1px solid rgba(255,255,255,0.05);
  padding-top: 14px;
}
.post-card-meta i { margin-right: 4px; }
.empty-posts {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-muted);
  font-size: 1rem;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px dashed rgba(255,255,255,0.08);
}
/* ===== 平台优势 ===== */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 28px;
}
.advantage-item {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  text-align: center;
  border: 1px solid var(--border-light);
  transition: var(--transition);
}
.advantage-item:hover {
  border-color: rgba(124,58,237,0.2);
  box-shadow: var(--shadow-glow);
  transform: translateY(-3px);
}
.advantage-number {
  font-size: 2.4rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 4px;
}
.advantage-item h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.advantage-item p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
}
/* ===== 使用流程 ===== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 32px;
  counter-reset: step;
}
.step-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  text-align: center;
  border: 1px solid var(--border-light);
  position: relative;
  transition: var(--transition);
}
.step-card:hover {
  border-color: rgba(124,58,237,0.2);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}
.step-number {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  font-weight: 800;
  font-size: 1.2rem;
  box-shadow: 0 4px 20px rgba(124,58,237,0.3);
}
.step-card h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.step-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}
/* ===== FAQ ===== */
.faq-list {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover {
  border-color: rgba(124,58,237,0.2);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.98rem;
  color: var(--text-white);
  transition: var(--transition);
  user-select: none;
}
.faq-question i {
  color: var(--primary-light);
  transition: var(--transition);
  font-size: 0.85rem;
}
.faq-item.open .faq-question i {
  transform: rotate(180deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  padding: 0 22px;
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.7;
}
.faq-item.open .faq-answer {
  max-height: 300px;
  padding: 0 22px 18px;
}
/* ===== CTA ===== */
.cta-section {
  background: linear-gradient(135deg, var(--bg-section), #15153a);
  text-align: center;
  padding: 80px 24px;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(124,58,237,0.08) 0%, transparent 70%);
}
.cta-section .container {
  position: relative;
  z-index: 1;
}
.cta-section h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 700;
  margin-bottom: 14px;
}
.cta-section p {
  color: var(--text-muted);
  max-width: 540px;
  margin: 0 auto 28px;
  font-size: 1.05rem;
}
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}
/* ===== 页脚 ===== */
.footer {
  background: #08081a;
  border-top: 1px solid rgba(255,255,255,0.04);
  padding: 50px 24px 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
}
.footer-brand .nav-brand {
  font-size: 1.3rem;
  margin-bottom: 12px;
}
.footer-brand p {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.7;
  max-width: 280px;
}
.footer h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-white);
}
.footer-links a {
  display: block;
  color: var(--text-muted);
  font-size: 0.88rem;
  padding: 4px 0;
  transition: var(--transition);
}
.footer-links a:hover {
  color: var(--primary-light);
  padding-left: 4px;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.05);
  margin-top: 40px;
  padding-top: 24px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}
.footer-bottom a {
  color: var(--text-muted);
}
.footer-bottom a:hover {
  color: var(--primary-light);
}
/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .hero h1 { font-size: 3rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
}
@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    flex-direction: column;
    background: rgba(11,11,26,0.96);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(124,58,237,0.2);
    padding: 16px 24px;
    gap: 4px;
  }
  .nav-links.open { display: flex; }
  .nav-links a { width: 100%; padding: 12px 18px; }
  .hero { min-height: 80vh; padding: 100px 20px 60px; }
  .hero h1 { font-size: 2.4rem; }
  .hero p { font-size: 1rem; }
  .hero-stats { gap: 24px; padding: 20px; }
  .hero-stat-number { font-size: 1.4rem; }
  .section { padding: 60px 20px; }
  .section-header { margin-bottom: 36px; }
  .categories-grid { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
  .posts-grid { grid-template-columns: 1fr; }
  .advantages-grid { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
  .steps-grid { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-brand p { max-width: 100%; }
}
@media (max-width: 520px) {
  .nav-inner { height: 60px; }
  .nav-brand { font-size: 1.2rem; }
  .hero h1 { font-size: 1.8rem; }
  .hero p { font-size: 0.92rem; }
  .hero-actions { flex-direction: column; align-items: center; }
  .btn-primary, .btn-outline { width: 100%; justify-content: center; }
  .hero-stats { flex-direction: column; gap: 16px; padding: 16px; }
  .categories-grid { grid-template-columns: 1fr 1fr; }
  .advantages-grid { grid-template-columns: 1fr 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .cta-actions { flex-direction: column; align-items: center; }
  .cta-actions .btn-primary, .cta-actions .btn-outline { width: 100%; justify-content: center; }
}

/* roulang page: article */
/* ===== Design Variables ===== */
:root {
  --primary: #e6a020;
  --primary-dark: #c98a1a;
  --primary-light: #f0b840;
  --secondary: #1a2a4a;
  --secondary-light: #2a3f6a;
  --accent: #ff6b35;
  --bg-body: #f8f6f2;
  --bg-white: #ffffff;
  --bg-dark: #0f1923;
  --bg-card: #ffffff;
  --text-dark: #1a1a2e;
  --text-body: #2d3436;
  --text-light: #636e72;
  --text-muted: #95a5a6;
  --border-light: #e8e4de;
  --border-medium: #d4cfc8;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 8px 30px rgba(0,0,0,0.10);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.12);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
  --container-max: 1200px;
  --header-height: 72px;
}
/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-sans); background: var(--bg-body); color: var(--text-body); line-height: 1.7; font-size: 16px; -webkit-font-smoothing: antialiased; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; display: block; }
button, input, textarea { font-family: inherit; font-size: inherit; }
ul, ol { list-style: none; }
.container { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }
/* ===== Nav Glass ===== */
.nav-glass { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; height: var(--header-height); background: rgba(255,255,255,0.75); backdrop-filter: blur(20px) saturate(1.4); -webkit-backdrop-filter: blur(20px) saturate(1.4); border-bottom: 1px solid rgba(255,255,255,0.3); box-shadow: 0 2px 20px rgba(0,0,0,0.06); transition: var(--transition); }
.nav-inner { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; height: 100%; display: flex; align-items: center; justify-content: space-between; }
.nav-brand { display: flex; align-items: center; gap: 10px; font-size: 1.5rem; font-weight: 800; color: var(--secondary); letter-spacing: -0.5px; }
.nav-brand i { color: var(--primary); font-size: 1.6rem; }
.nav-links { display: flex; align-items: center; gap: 8px; }
.nav-links a { padding: 8px 18px; border-radius: var(--radius-sm); font-size: 0.95rem; font-weight: 500; color: var(--text-body); transition: var(--transition); position: relative; }
.nav-links a:hover { color: var(--primary); background: rgba(230,160,32,0.08); }
.nav-links a.active { color: var(--primary); background: rgba(230,160,32,0.12); font-weight: 600; }
.nav-links a.nav-cta { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: #fff; border-radius: var(--radius-sm); padding: 8px 22px; font-weight: 600; box-shadow: 0 4px 15px rgba(230,160,32,0.3); }
.nav-links a.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(230,160,32,0.4); background: linear-gradient(135deg, var(--primary-light), var(--primary)); }
.nav-toggle { display: none; background: none; border: none; font-size: 1.5rem; color: var(--secondary); cursor: pointer; padding: 8px; }
/* ===== Article Hero ===== */
.article-hero { margin-top: var(--header-height); padding: 60px 0 40px; background: linear-gradient(135deg, var(--secondary) 0%, #0d1b2a 100%); position: relative; overflow: hidden; }
.article-hero::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-2.png') center/cover no-repeat; opacity: 0.12; mix-blend-mode: overlay; }
.article-hero .container { position: relative; z-index: 2; }
.article-breadcrumb { display: flex; align-items: center; gap: 10px; font-size: 0.9rem; color: rgba(255,255,255,0.65); margin-bottom: 20px; flex-wrap: wrap; }
.article-breadcrumb a { color: rgba(255,255,255,0.75); }
.article-breadcrumb a:hover { color: var(--primary-light); }
.article-breadcrumb .sep { color: rgba(255,255,255,0.35); }
.article-breadcrumb .current { color: var(--primary-light); font-weight: 500; }
.article-hero h1 { font-size: 2.4rem; font-weight: 800; color: #fff; line-height: 1.3; margin-bottom: 16px; letter-spacing: -0.5px; }
.article-meta { display: flex; flex-wrap: wrap; gap: 18px; align-items: center; color: rgba(255,255,255,0.7); font-size: 0.9rem; }
.article-meta .badge-cat { background: var(--primary); color: #fff; padding: 4px 14px; border-radius: 20px; font-size: 0.8rem; font-weight: 600; }
.article-meta i { margin-right: 5px; }
/* ===== Article Main ===== */
.article-main { padding: 50px 0 70px; }
.article-layout { display: grid; grid-template-columns: 1fr 320px; gap: 40px; align-items: start; }
.article-body { background: var(--bg-white); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); padding: 40px 44px; }
.article-body .cover-img { border-radius: var(--radius-sm); margin-bottom: 30px; width: 100%; max-height: 460px; object-fit: cover; }
.article-body .content { font-size: 1.05rem; line-height: 1.9; color: var(--text-body); }
.article-body .content p { margin-bottom: 1.2em; }
.article-body .content h2, .article-body .content h3 { color: var(--secondary); margin-top: 1.8em; margin-bottom: 0.6em; font-weight: 700; }
.article-body .content h2 { font-size: 1.6rem; }
.article-body .content h3 { font-size: 1.25rem; }
.article-body .content ul, .article-body .content ol { padding-left: 1.5em; margin-bottom: 1.2em; }
.article-body .content li { margin-bottom: 0.4em; list-style: disc; }
.article-body .content blockquote { border-left: 4px solid var(--primary); background: #fef9ef; padding: 16px 22px; margin: 1.2em 0; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; color: var(--text-light); }
.article-body .content a { color: var(--primary); text-decoration: underline; }
.article-body .content img { border-radius: var(--radius-sm); margin: 1.2em 0; }
.article-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--border-light); }
.article-tags .tag { background: #f0ece6; color: var(--text-light); padding: 5px 16px; border-radius: 20px; font-size: 0.85rem; font-weight: 500; transition: var(--transition); }
.article-tags .tag:hover { background: var(--primary); color: #fff; }
.article-share { display: flex; align-items: center; gap: 12px; margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--border-light); }
.article-share span { font-weight: 600; color: var(--text-light); font-size: 0.9rem; }
.article-share a { display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 50%; background: #f0ece6; color: var(--text-body); transition: var(--transition); font-size: 1.1rem; }
.article-share a:hover { background: var(--primary); color: #fff; transform: translateY(-3px); }
/* ===== Sidebar ===== */
.article-sidebar { display: flex; flex-direction: column; gap: 28px; }
.sidebar-card { background: var(--bg-white); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); padding: 24px 26px; }
.sidebar-card h3 { font-size: 1.1rem; font-weight: 700; color: var(--secondary); margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }
.sidebar-card h3 i { color: var(--primary); }
.sidebar-list li { padding: 12px 0; border-bottom: 1px solid var(--border-light); }
.sidebar-list li:last-child { border-bottom: none; }
.sidebar-list a { display: flex; gap: 12px; align-items: flex-start; color: var(--text-body); }
.sidebar-list a:hover { color: var(--primary); }
.sidebar-list .thumb { width: 72px; height: 52px; border-radius: 6px; object-fit: cover; flex-shrink: 0; background: #eee; }
.sidebar-list .info { flex: 1; }
.sidebar-list .info .tit { font-size: 0.92rem; font-weight: 600; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; line-height: 1.4; }
.sidebar-list .info .date { font-size: 0.78rem; color: var(--text-muted); margin-top: 4px; }
.sidebar-cta { background: linear-gradient(135deg, var(--secondary), #0d1b2a); color: #fff; border-radius: var(--radius-md); padding: 28px 26px; text-align: center; }
.sidebar-cta h3 { color: #fff; font-size: 1.2rem; margin-bottom: 10px; }
.sidebar-cta p { color: rgba(255,255,255,0.75); font-size: 0.9rem; margin-bottom: 18px; }
.sidebar-cta .btn { background: var(--primary); color: #fff; padding: 10px 28px; border-radius: var(--radius-sm); font-weight: 600; display: inline-block; transition: var(--transition); }
.sidebar-cta .btn:hover { background: var(--primary-light); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(230,160,32,0.3); }
/* ===== Related Section ===== */
.related-section { background: var(--bg-white); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); padding: 36px 40px; margin-top: 40px; }
.related-section h2 { font-size: 1.5rem; font-weight: 700; color: var(--secondary); margin-bottom: 24px; display: flex; align-items: center; gap: 10px; }
.related-section h2 i { color: var(--primary); }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.related-card { border-radius: var(--radius-sm); overflow: hidden; border: 1px solid var(--border-light); transition: var(--transition); }
.related-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.related-card img { width: 100%; height: 150px; object-fit: cover; }
.related-card .info { padding: 16px 18px; }
.related-card .info h4 { font-size: 1rem; font-weight: 600; color: var(--text-dark); margin-bottom: 6px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-card .info .meta { font-size: 0.8rem; color: var(--text-muted); }
.related-card:hover .info h4 { color: var(--primary); }
/* ===== Footer ===== */
.footer { background: var(--bg-dark); color: rgba(255,255,255,0.8); padding: 60px 0 0; margin-top: 0; }
.footer-grid { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; display: grid; grid-template-columns: 1.8fr 1fr 1fr 1fr; gap: 40px; }
.footer-brand .nav-brand { color: #fff; margin-bottom: 14px; }
.footer-brand p { font-size: 0.9rem; line-height: 1.7; color: rgba(255,255,255,0.55); max-width: 320px; }
.footer h4 { color: #fff; font-size: 1rem; font-weight: 700; margin-bottom: 18px; position: relative; padding-bottom: 10px; }
.footer h4::after { content: ''; position: absolute; bottom: 0; left: 0; width: 30px; height: 2px; background: var(--primary); border-radius: 2px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { color: rgba(255,255,255,0.55); font-size: 0.9rem; transition: var(--transition); display: flex; align-items: center; gap: 8px; }
.footer-links a:hover { color: var(--primary-light); transform: translateX(4px); }
.footer-links a i { width: 18px; text-align: center; }
.footer-bottom { max-width: var(--container-max); margin: 0 auto; padding: 24px; border-top: 1px solid rgba(255,255,255,0.08); margin-top: 40px; text-align: center; font-size: 0.85rem; color: rgba(255,255,255,0.35); }
.footer-bottom a { color: rgba(255,255,255,0.45); }
.footer-bottom a:hover { color: var(--primary-light); }
/* ===== Not Found ===== */
.not-found { text-align: center; padding: 80px 20px; }
.not-found i { font-size: 4rem; color: var(--text-muted); margin-bottom: 20px; }
.not-found h2 { font-size: 1.8rem; color: var(--secondary); margin-bottom: 12px; }
.not-found p { color: var(--text-light); margin-bottom: 24px; }
.not-found .btn-back { display: inline-block; background: var(--primary); color: #fff; padding: 12px 32px; border-radius: var(--radius-sm); font-weight: 600; transition: var(--transition); }
.not-found .btn-back:hover { background: var(--primary-dark); transform: translateY(-2px); }
/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .article-hero h1 { font-size: 2rem; }
}
@media (max-width: 768px) {
  .nav-links { display: none; position: absolute; top: var(--header-height); left: 0; right: 0; background: rgba(255,255,255,0.98); backdrop-filter: blur(20px); flex-direction: column; padding: 16px 24px; gap: 6px; box-shadow: var(--shadow-md); border-bottom: 1px solid var(--border-light); }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  .article-hero h1 { font-size: 1.6rem; }
  .article-body { padding: 24px 20px; }
  .article-sidebar { grid-template-columns: 1fr; }
  .related-section { padding: 24px 20px; }
  .related-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .article-hero { padding: 40px 0 28px; }
  .article-hero h1 { font-size: 1.35rem; }
  .article-meta { gap: 10px; font-size: 0.8rem; }
  .article-body { padding: 18px 14px; }
  .article-body .content { font-size: 0.95rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { font-size: 0.75rem; }
}

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #e8a832;
            --primary-light: #f0c866;
            --primary-dark: #c88a1e;
            --primary-gradient: linear-gradient(135deg, #e8a832 0%, #d4942a 50%, #c88a1e 100%);
            --secondary: #1e2a4a;
            --secondary-light: #2c3e6a;
            --accent: #ff6b35;
            --bg-body: #0f1422;
            --bg-card: #1a2138;
            --bg-card-hover: #222d4a;
            --bg-section: #121829;
            --bg-section-alt: #1a2138;
            --text-primary: #f0ece4;
            --text-secondary: #b8b0a4;
            --text-muted: #7a7a8a;
            --border-color: rgba(232, 168, 50, 0.15);
            --border-light: rgba(255, 255, 255, 0.06);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 4px 20px rgba(232, 168, 50, 0.15);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
        }

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

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

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-light);
        }
        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 4px;
            border-radius: 4px;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }
        button {
            cursor: pointer;
        }
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        ul,
        ol {
            list-style: none;
        }

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

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

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== Glass Navigation ===== */
        .nav-glass {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(15, 20, 34, 0.65);
            backdrop-filter: blur(18px) saturate(1.2);
            -webkit-backdrop-filter: blur(18px) saturate(1.2);
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.25);
            transition: background var(--transition), box-shadow var(--transition);
        }

        .nav-glass.scrolled {
            background: rgba(15, 20, 34, 0.92);
            box-shadow: 0 4px 40px rgba(0, 0, 0, 0.4);
        }

        .nav-inner {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
        }

        .nav-brand {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }
        .nav-brand i {
            color: var(--primary);
            font-size: 26px;
            transition: transform var(--transition);
        }
        .nav-brand:hover i {
            transform: rotate(90deg) scale(1.1);
        }
        .nav-brand:hover {
            color: var(--primary-light);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-links a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 15px;
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 60%;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: transform var(--transition);
        }
        .nav-links a:hover {
            color: var(--text-primary);
            background: rgba(232, 168, 50, 0.08);
        }
        .nav-links a:hover::after {
            transform: translateX(-50%) scaleX(1);
        }
        .nav-links a.active {
            color: var(--primary);
            background: rgba(232, 168, 50, 0.12);
        }
        .nav-links a.active::after {
            transform: translateX(-50%) scaleX(1);
        }

        .nav-links .nav-cta {
            background: var(--primary-gradient);
            color: var(--bg-body) !important;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 14px;
            box-shadow: 0 4px 16px rgba(232, 168, 50, 0.25);
            transition: all var(--transition);
            margin-left: 12px;
        }
        .nav-links .nav-cta::after {
            display: none;
        }
        .nav-links .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(232, 168, 50, 0.35);
            color: var(--bg-body) !important;
            background: linear-gradient(135deg, #f0c866 0%, #e8a832 50%, #d4942a 100%);
        }
        .nav-links .nav-cta i {
            margin-right: 6px;
        }

        .nav-toggle {
            display: none;
            font-size: 24px;
            color: var(--text-primary);
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.06);
            transition: background var(--transition);
            border: 1px solid var(--border-color);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.12);
        }

        /* Mobile Nav */
        @media (max-width: 820px) {
            .nav-links {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(15, 20, 34, 0.97);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px 24px 32px;
                gap: 6px;
                border-bottom: 1px solid var(--border-color);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
                box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: all;
            }
            .nav-links a {
                width: 100%;
                text-align: center;
                padding: 14px 18px;
                font-size: 17px;
                border-radius: var(--radius-sm);
            }
            .nav-links a::after {
                bottom: 6px;
            }
            .nav-links .nav-cta {
                margin-left: 0;
                margin-top: 8px;
                text-align: center;
                width: 100%;
            }
            .nav-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
        }

        @media (max-width: 480px) {
            .nav-inner {
                padding: 0 12px;
                gap: 12px;
            }
            .nav-brand {
                font-size: 18px;
            }
            .nav-brand i {
                font-size: 20px;
            }
        }

        /* ===== Page Banner ===== */
        .page-banner {
            padding: 140px 0 60px;
            background: linear-gradient(135deg, #0f1422 0%, #1a2138 50%, #0f1422 100%);
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border-color);
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center/cover no-repeat;
            opacity: 0.12;
            pointer-events: none;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(232, 168, 50, 0.08), transparent 70%);
            pointer-events: none;
        }
        .page-banner .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .page-banner h1 {
            font-size: 44px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
            line-height: 1.2;
        }
        .page-banner h1 span {
            color: var(--primary);
        }
        .page-banner p {
            font-size: 18px;
            color: var(--text-secondary);
            max-width: 680px;
            margin: 0 auto 24px;
            line-height: 1.7;
        }
        .page-banner .breadcrumb {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 8px;
        }
        .page-banner .breadcrumb a {
            color: var(--text-secondary);
        }
        .page-banner .breadcrumb a:hover {
            color: var(--primary);
        }
        .page-banner .breadcrumb i {
            font-size: 12px;
            color: var(--text-muted);
        }
        .page-banner .banner-tags {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 20px;
        }
        .page-banner .banner-tags .tag {
            padding: 6px 18px;
            border-radius: 20px;
            background: rgba(232, 168, 50, 0.1);
            border: 1px solid rgba(232, 168, 50, 0.2);
            color: var(--primary-light);
            font-size: 13px;
            font-weight: 500;
            transition: all var(--transition);
        }
        .page-banner .banner-tags .tag:hover {
            background: rgba(232, 168, 50, 0.2);
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .page-banner {
                padding: 110px 0 40px;
            }
            .page-banner h1 {
                font-size: 30px;
            }
            .page-banner p {
                font-size: 16px;
            }
        }
        @media (max-width: 480px) {
            .page-banner h1 {
                font-size: 26px;
            }
            .page-banner .banner-tags .tag {
                font-size: 12px;
                padding: 4px 14px;
            }
        }

        /* ===== Section Shared ===== */
        section {
            padding: 80px 0;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 12px;
            background: rgba(232, 168, 50, 0.1);
            padding: 6px 16px;
            border-radius: 20px;
            border: 1px solid rgba(232, 168, 50, 0.15);
        }
        .section-label i {
            font-size: 14px;
        }
        .section-title {
            font-size: 36px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            line-height: 1.25;
            letter-spacing: -0.3px;
        }
        .section-title span {
            color: var(--primary);
        }
        .section-desc {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.7;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header .section-desc {
            margin: 0 auto;
        }
        .section-header-left {
            text-align: left;
        }
        .section-header-left .section-desc {
            margin: 0;
        }

        @media (max-width: 768px) {
            section {
                padding: 56px 0;
            }
            .section-title {
                font-size: 28px;
            }
            .section-desc {
                font-size: 15px;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }
        @media (max-width: 480px) {
            .section-title {
                font-size: 24px;
            }
        }

        /* ===== Card Base ===== */
        .card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            padding: 28px 24px;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .card:hover {
            background: var(--bg-card-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(232, 168, 50, 0.25);
        }
        .card-img {
            border-radius: var(--radius-sm) var(--radius-sm) 0 0;
            overflow: hidden;
            margin: -28px -24px 20px;
            height: 200px;
            object-fit: cover;
            width: calc(100% + 48px);
        }
        .card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            line-height: 1.3;
        }
        .card p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.6;
            margin-bottom: 16px;
        }
        .card .card-meta {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 12px;
        }
        .card .card-meta i {
            margin-right: 4px;
        }
        .card .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 12px;
        }
        .card .card-tags .tag {
            padding: 4px 12px;
            border-radius: 12px;
            background: rgba(232, 168, 50, 0.08);
            border: 1px solid rgba(232, 168, 50, 0.12);
            color: var(--primary-light);
            font-size: 12px;
            font-weight: 500;
        }
        .card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 600;
            font-size: 14px;
            transition: gap var(--transition);
        }
        .card .card-link:hover {
            gap: 12px;
        }

        /* ===== Grid ===== */
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 24px;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr 1fr;
            gap: 20px;
        }

        @media (max-width: 1024px) {
            .grid-4 {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .grid-2,
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ===== Guide Categories Section ===== */
        #guide-categories {
            background: var(--bg-section);
        }
        .guide-cat-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 24px;
        }
        .guide-cat-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            padding: 32px 24px 28px;
            text-align: center;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
            position: relative;
            overflow: hidden;
        }
        .guide-cat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--primary-gradient);
            transform: scaleX(0);
            transform-origin: center;
            transition: transform var(--transition);
        }
        .guide-cat-card:hover::before {
            transform: scaleX(1);
        }
        .guide-cat-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(232, 168, 50, 0.25);
            background: var(--bg-card-hover);
        }
        .guide-cat-card .icon-box {
            width: 64px;
            height: 64px;
            margin: 0 auto 16px;
            background: rgba(232, 168, 50, 0.1);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            color: var(--primary);
            border: 1px solid rgba(232, 168, 50, 0.15);
            transition: all var(--transition);
        }
        .guide-cat-card:hover .icon-box {
            background: rgba(232, 168, 50, 0.18);
            transform: scale(1.05);
        }
        .guide-cat-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .guide-cat-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 16px;
        }
        .guide-cat-card .cat-count {
            display: inline-block;
            padding: 4px 16px;
            border-radius: 12px;
            background: rgba(232, 168, 50, 0.08);
            color: var(--primary-light);
            font-size: 13px;
            font-weight: 500;
        }

        @media (max-width: 768px) {
            .guide-cat-grid {
                grid-template-columns: 1fr 1fr;
                gap: 18px;
            }
            .guide-cat-card {
                padding: 24px 18px 22px;
            }
            .guide-cat-card h3 {
                font-size: 18px;
            }
        }
        @media (max-width: 480px) {
            .guide-cat-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Featured Guides ===== */
        #featured-guides {
            background: var(--bg-section-alt);
        }
        .featured-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }
        .featured-card {
            display: flex;
            flex-direction: column;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .featured-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(232, 168, 50, 0.2);
        }
        .featured-card .fc-img {
            height: 210px;
            object-fit: cover;
            width: 100%;
            flex-shrink: 0;
        }
        .featured-card .fc-body {
            padding: 24px 24px 26px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .featured-card .fc-body .fc-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 10px;
        }
        .featured-card .fc-body .fc-tags .tag {
            padding: 4px 12px;
            border-radius: 12px;
            background: rgba(232, 168, 50, 0.08);
            border: 1px solid rgba(232, 168, 50, 0.12);
            color: var(--primary-light);
            font-size: 12px;
            font-weight: 500;
        }
        .featured-card .fc-body h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.3;
        }
        .featured-card .fc-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 16px;
        }
        .featured-card .fc-body .fc-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 12px;
            border-top: 1px solid var(--border-color);
        }
        .featured-card .fc-body .fc-footer .fc-meta {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .featured-card .fc-body .fc-footer .fc-meta i {
            margin-right: 4px;
        }
        .featured-card .fc-body .fc-footer .fc-link {
            color: var(--primary);
            font-weight: 600;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition);
        }
        .featured-card .fc-body .fc-footer .fc-link:hover {
            gap: 10px;
        }

        @media (max-width: 768px) {
            .featured-grid {
                grid-template-columns: 1fr;
            }
            .featured-card .fc-img {
                height: 180px;
            }
            .featured-card .fc-body {
                padding: 18px 18px 20px;
            }
            .featured-card .fc-body h3 {
                font-size: 18px;
            }
        }

        /* ===== Strategies Section ===== */
        #strategies {
            background: var(--bg-section);
        }
        .strategy-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 24px;
        }
        .strategy-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            padding: 28px 24px;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
            position: relative;
        }
        .strategy-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(232, 168, 50, 0.2);
            background: var(--bg-card-hover);
        }
        .strategy-card .sc-number {
            font-size: 40px;
            font-weight: 800;
            color: rgba(232, 168, 50, 0.12);
            line-height: 1;
            margin-bottom: 4px;
            font-style: italic;
        }
        .strategy-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .strategy-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .strategy-card .sc-list {
            margin-top: 14px;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .strategy-card .sc-list li {
            font-size: 14px;
            color: var(--text-secondary);
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }
        .strategy-card .sc-list li i {
            color: var(--primary);
            font-size: 12px;
            margin-top: 5px;
            flex-shrink: 0;
        }

        @media (max-width: 768px) {
            .strategy-grid {
                grid-template-columns: 1fr 1fr;
                gap: 18px;
            }
            .strategy-card {
                padding: 22px 18px;
            }
        }
        @media (max-width: 480px) {
            .strategy-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Tips Section ===== */
        #tips {
            background: var(--bg-section-alt);
        }
        .tips-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .tip-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            padding: 20px 22px;
            border: 1px solid var(--border-color);
            transition: all var(--transition);
        }
        .tip-item:hover {
            background: var(--bg-card-hover);
            border-color: rgba(232, 168, 50, 0.2);
            transform: translateX(4px);
        }
        .tip-item .tip-icon {
            width: 40px;
            height: 40px;
            flex-shrink: 0;
            background: rgba(232, 168, 50, 0.1);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 18px;
            border: 1px solid rgba(232, 168, 50, 0.12);
        }
        .tip-item .tip-content h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .tip-item .tip-content p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .tips-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== FAQ Section ===== */
        #faq {
            background: var(--bg-section);
        }
        .faq-grid {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(232, 168, 50, 0.2);
        }
        .faq-item .faq-q {
            padding: 18px 22px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            transition: background var(--transition);
            user-select: none;
        }
        .faq-item .faq-q:hover {
            background: rgba(232, 168, 50, 0.04);
        }
        .faq-item .faq-q i {
            color: var(--primary);
            font-size: 14px;
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.active .faq-q i {
            transform: rotate(180deg);
        }
        .faq-item .faq-a {
            padding: 0 22px 18px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }
        .faq-item.active .faq-a {
            display: block;
        }
        .faq-item .faq-a p {
            margin-bottom: 8px;
        }
        .faq-item .faq-a p:last-child {
            margin-bottom: 0;
        }

        @media (max-width: 768px) {
            .faq-item .faq-q {
                padding: 16px 18px;
                font-size: 15px;
            }
            .faq-item .faq-a {
                padding: 0 18px 16px;
                font-size: 14px;
            }
        }

        /* ===== CTA Section ===== */
        #cta {
            background: var(--bg-section-alt);
            padding: 80px 0;
        }
        .cta-box {
            background: var(--primary-gradient);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: 0 12px 40px rgba(232, 168, 50, 0.2);
        }
        .cta-box::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center/cover no-repeat;
            opacity: 0.08;
            pointer-events: none;
        }
        .cta-box h2 {
            font-size: 34px;
            font-weight: 800;
            color: var(--bg-body);
            margin-bottom: 12px;
            position: relative;
            z-index: 2;
        }
        .cta-box p {
            font-size: 17px;
            color: rgba(15, 20, 34, 0.75);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.7;
            position: relative;
            z-index: 2;
        }
        .cta-box .cta-btn-group {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
        }
        .cta-box .cta-btn {
            padding: 14px 34px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 16px;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .cta-box .cta-btn-primary {
            background: var(--bg-body);
            color: var(--primary) !important;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
        }
        .cta-box .cta-btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.25);
            color: var(--primary) !important;
        }
        .cta-box .cta-btn-secondary {
            background: rgba(15, 20, 34, 0.1);
            color: var(--bg-body) !important;
            border: 2px solid rgba(15, 20, 34, 0.2);
            backdrop-filter: blur(4px);
        }
        .cta-box .cta-btn-secondary:hover {
            background: rgba(15, 20, 34, 0.2);
            transform: translateY(-3px);
            color: var(--bg-body) !important;
        }

        @media (max-width: 768px) {
            #cta {
                padding: 56px 0;
            }
            .cta-box {
                padding: 36px 24px;
                border-radius: var(--radius-md);
            }
            .cta-box h2 {
                font-size: 26px;
            }
            .cta-box p {
                font-size: 15px;
            }
            .cta-box .cta-btn {
                padding: 12px 24px;
                font-size: 15px;
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== Footer ===== */
        .footer {
            background: #0a0e1a;
            border-top: 1px solid var(--border-color);
            padding: 60px 0 0;
        }
        .footer-grid {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 40px;
        }
        .footer-brand .nav-brand {
            font-size: 20px;
            margin-bottom: 12px;
            display: inline-flex;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 300px;
        }
        .footer h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links a {
            font-size: 14px;
            color: var(--text-muted);
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-links a:hover {
            color: var(--primary);
            transform: translateX(4px);
        }
        .footer-links a i {
            width: 16px;
            color: var(--primary);
        }
        .footer-bottom {
            max-width: var(--container-max);
            margin: 40px auto 0;
            padding: 20px 24px;
            border-top: 1px solid var(--border-color);
            text-align: center;
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-secondary);
        }
        .footer-bottom a:hover {
            color: var(--primary);
        }

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
                padding: 0 16px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-brand p {
                max-width: 100%;
            }
            .footer-bottom {
                padding: 16px;
                font-size: 12px;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer {
                padding: 40px 0 0;
            }
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-body);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--secondary-light);
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--primary-dark);
        }

        /* ===== Responsive extras ===== */
        @media (max-width: 520px) {
            .page-banner h1 {
                font-size: 22px;
            }
            .page-banner p {
                font-size: 14px;
            }
            .section-title {
                font-size: 22px;
            }
            .cta-box h2 {
                font-size: 22px;
            }
            .cta-box p {
                font-size: 14px;
            }
            .guide-cat-card .icon-box {
                width: 52px;
                height: 52px;
                font-size: 22px;
            }
            .guide-cat-card h3 {
                font-size: 16px;
            }
        }