/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
  --primary: #0a1628;
  --primary-light: #1a2a4a;
  --primary-dark: #050e1a;
  --accent: #d4a843;
  --accent-light: #f0c86a;
  --accent-dark: #b8922e;
  --bg: #ffffff;
  --bg-alt: #f5f7fc;
  --bg-dark: #0a1628;
  --text: #1a2332;
  --text-light: #6b7c8a;
  --text-white: #f0f2f5;
  --border: #e5e9f0;
  --border-light: #f0f2f5;
  --shadow-sm: 0 2px 8px rgba(10,22,40,0.06);
  --shadow: 0 4px 20px rgba(10,22,40,0.08);
  --shadow-lg: 0 12px 40px rgba(10,22,40,0.12);
  --shadow-accent: 0 4px 20px rgba(212,168,67,0.3);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --max-width: 1200px;
  --header-height: 72px;
}

/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  font-size: 16px;
}
a { color: inherit; text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent); }
img { max-width: 100%; height: auto; display: block; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
button { cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { line-height: 1.25; font-weight: 700; color: var(--primary); }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); margin-bottom: 0.5rem; }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
h4 { font-size: 1.1rem; }
p { margin-bottom: 1rem; color: var(--text-light); }
p:last-child { margin-bottom: 0; }

/* ===== Container ===== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
@media (max-width: 768px) {
  .container { padding: 0 16px; }
}

/* ===== 分隔线 ===== */
.section-divider { width: 60px; height: 3px; background: var(--accent); border-radius: 2px; margin: 0 auto 1rem; }
.section-divider.left { margin: 0 0 1rem; }

/* ===== Header / Nav ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  height: var(--header-height);
  transition: box-shadow var(--transition);
}
.site-header.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.06); }
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.logo i { color: var(--accent); font-size: 1.3rem; }
.logo span { background: linear-gradient(135deg, var(--primary), var(--primary-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.nav-list { display: flex; align-items: center; gap: 4px; }
.nav-list a {
  display: inline-block;
  padding: 8px 18px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-light);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  position: relative;
}
.nav-list a:hover { color: var(--primary); background: var(--bg-alt); }
.nav-list a.active {
  color: var(--accent-dark);
  background: rgba(212,168,67,0.08);
}
.nav-list a.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 22px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: var(--primary-dark) !important;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  box-shadow: 0 2px 10px rgba(212,168,67,0.25);
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 4px 16px rgba(212,168,67,0.35); color: var(--primary-dark) !important; background: linear-gradient(135deg, var(--accent-light), var(--accent)); }
.menu-toggle { display: none; font-size: 1.5rem; color: var(--primary); padding: 8px; cursor: pointer; }
@media (max-width: 768px) {
  .menu-toggle { display: block; }
  .nav-list {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    flex-direction: column;
    padding: 16px 24px 24px;
    gap: 4px;
    border-bottom: 1px solid var(--border-light);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: all 0.4s cubic-bezier(0.4,0,0.2,1);
    box-shadow: 0 12px 30px rgba(0,0,0,0.08);
  }
  .nav-list.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-list a { width: 100%; padding: 12px 16px; font-size: 1rem; }
  .nav-list a.active::after { display: none; }
  .nav-list a.active { background: rgba(212,168,67,0.1); border-left: 3px solid var(--accent); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
  .nav-cta { width: 100%; justify-content: center; margin-top: 8px; }
}

/* ===== Hero ===== */
.hero {
  padding: calc(var(--header-height) + 40px) 0 80px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 60%, #0d1f3c 100%);
  position: relative;
  overflow: hidden;
  min-height: 85vh;
  display: flex;
  align-items: center;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  opacity: 0.2;
  mix-blend-mode: overlay;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to top, var(--bg), transparent);
}
.hero .container { position: relative; z-index: 2; }
.hero-content { max-width: 680px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  background: rgba(212,168,67,0.15);
  border: 1px solid rgba(212,168,67,0.3);
  color: var(--accent-light);
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: 30px;
  margin-bottom: 1.5rem;
  letter-spacing: 0.3px;
}
.hero h1 {
  color: var(--text-white);
  margin-bottom: 1rem;
  font-weight: 800;
  letter-spacing: -1px;
}
.hero h1 .highlight { color: var(--accent-light); }
.hero p {
  color: rgba(255,255,255,0.7);
  font-size: 1.15rem;
  max-width: 540px;
  margin-bottom: 2rem;
  line-height: 1.7;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  border: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: var(--primary-dark);
  box-shadow: 0 4px 16px rgba(212,168,67,0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(212,168,67,0.4); color: var(--primary-dark); }
.btn-outline {
  background: transparent;
  border: 2px solid rgba(255,255,255,0.25);
  color: var(--text-white);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent-light); transform: translateY(-2px); }
.hero-stats { display: flex; gap: 40px; margin-top: 3rem; padding-top: 2rem; border-top: 1px solid rgba(255,255,255,0.08); }
.hero-stat h3 { color: var(--text-white); font-size: 1.6rem; font-weight: 800; }
.hero-stat p { color: rgba(255,255,255,0.5); font-size: 0.85rem; margin: 0; }
@media (max-width: 768px) {
  .hero { min-height: auto; padding: calc(var(--header-height) + 24px) 0 48px; }
  .hero-content { max-width: 100%; }
  .hero p { font-size: 1rem; }
  .hero-actions { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
  .hero-stats { gap: 24px; flex-wrap: wrap; }
  .hero-stat { flex: 1; min-width: 80px; }
}
@media (max-width: 520px) {
  .hero-stats { gap: 16px; }
  .hero-stat h3 { font-size: 1.2rem; }
}

/* ===== 板块通用 ===== */
.section { padding: 80px 0; }
.section-alt { background: var(--bg-alt); }
.section-dark { background: var(--bg-dark); color: var(--text-white); }
.section-header { text-align: center; max-width: 640px; margin: 0 auto 3rem; }
.section-header p { font-size: 1.05rem; }
.section-header h2 { margin-bottom: 0.5rem; }
.section-dark h2 { color: var(--text-white); }
.section-dark .section-header p { color: rgba(255,255,255,0.6); }
@media (max-width: 768px) {
  .section { padding: 48px 0; }
  .section-header { margin-bottom: 2rem; }
}

/* ===== 卡片网格 ===== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.card-grid-2 { grid-template-columns: repeat(2, 1fr); }
.card-grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1024px) {
  .card-grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .card-grid { grid-template-columns: 1fr; gap: 16px; }
  .card-grid-2 { grid-template-columns: 1fr; }
  .card-grid-4 { grid-template-columns: 1fr; }
}

/* ===== 卡片 ===== */
.card {
  background: var(--bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  transition: all var(--transition);
  overflow: hidden;
}
.card:hover { box-shadow: var(--shadow); transform: translateY(-4px); border-color: transparent; }
.card-image { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.card-body { padding: 20px 24px 24px; }
.card-body h3 { margin-bottom: 0.4rem; font-size: 1.15rem; }
.card-body p { font-size: 0.9rem; margin-bottom: 0.8rem; }
.card-meta { display: flex; align-items: center; gap: 12px; font-size: 0.8rem; color: var(--text-light); }
.card-tag {
  display: inline-block;
  padding: 2px 12px;
  background: rgba(212,168,67,0.1);
  color: var(--accent-dark);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 20px;
}
.card-link { color: var(--accent-dark); font-weight: 600; font-size: 0.9rem; display: inline-flex; align-items: center; gap: 4px; }
.card-link:hover { gap: 8px; }
@media (max-width: 520px) {
  .card-body { padding: 16px; }
}

/* ===== 图文区块 ===== */
.feature-row {
  display: flex;
  align-items: center;
  gap: 60px;
}
.feature-row.reverse { flex-direction: row-reverse; }
.feature-image {
  flex: 1;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.feature-image img { width: 100%; height: auto; }
.feature-text { flex: 1; }
.feature-text h2 { margin-bottom: 1rem; }
.feature-text p { font-size: 1.05rem; margin-bottom: 1.2rem; }
.feature-list { margin-top: 1.5rem; }
.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 8px 0;
  font-size: 0.95rem;
  color: var(--text-light);
}
.feature-list li i { color: var(--accent); font-size: 1rem; margin-top: 3px; flex-shrink: 0; }
@media (max-width: 768px) {
  .feature-row { flex-direction: column; gap: 32px; }
  .feature-row.reverse { flex-direction: column; }
  .feature-image { width: 100%; }
}

/* ===== 数据块 ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.stat-item {
  padding: 32px 16px;
  background: rgba(255,255,255,0.04);
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.06);
  transition: all var(--transition);
}
.stat-item:hover { background: rgba(255,255,255,0.08); transform: translateY(-2px); }
.stat-icon { font-size: 2rem; color: var(--accent); margin-bottom: 0.8rem; }
.stat-number { font-size: 2.4rem; font-weight: 800; color: var(--text-white); line-height: 1.2; }
.stat-label { font-size: 0.9rem; color: rgba(255,255,255,0.5); margin-top: 0.3rem; }
@media (max-width: 768px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .stat-number { font-size: 1.8rem; }
}
@media (max-width: 520px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
}

/* ===== 分类入口卡片 ===== */
.cat-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  aspect-ratio: 3/2;
  display: flex;
  align-items: flex-end;
}
.cat-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.cat-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.cat-card:hover img { transform: scale(1.05); }
.cat-card-overlay {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: 24px;
  background: linear-gradient(to top, rgba(10,22,40,0.85), transparent);
  color: var(--text-white);
}
.cat-card-overlay h3 { color: var(--text-white); font-size: 1.2rem; margin-bottom: 0.2rem; }
.cat-card-overlay p { color: rgba(255,255,255,0.7); font-size: 0.85rem; margin: 0; }
.cat-card .badge-count {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 3;
  background: var(--accent);
  color: var(--primary-dark);
  padding: 2px 14px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
}
@media (max-width: 520px) {
  .cat-card { aspect-ratio: 4/3; }
}

/* ===== 资讯列表 (CMS) ===== */
.post-list { display: flex; flex-direction: column; gap: 16px; }
.post-item {
  display: flex;
  gap: 20px;
  padding: 20px 24px;
  background: var(--bg);
  border-radius: var(--radius);
  border: 1px solid var(--border-light);
  transition: all var(--transition);
  align-items: flex-start;
}
.post-item:hover { box-shadow: var(--shadow); border-color: transparent; transform: translateX(4px); }
.post-thumb {
  width: 120px;
  min-height: 80px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
  background: var(--bg-alt);
}
.post-info { flex: 1; min-width: 0; }
.post-info h3 { font-size: 1.05rem; margin-bottom: 0.3rem; }
.post-info h3 a { color: var(--primary); }
.post-info h3 a:hover { color: var(--accent); }
.post-excerpt { font-size: 0.88rem; color: var(--text-light); margin-bottom: 0.4rem; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.post-meta { display: flex; align-items: center; gap: 16px; font-size: 0.78rem; color: var(--text-light); }
.post-meta .cat { color: var(--accent-dark); font-weight: 600; }
.empty-tip { text-align: center; padding: 48px 24px; color: var(--text-light); font-size: 1rem; background: var(--bg-alt); border-radius: var(--radius); border: 1px dashed var(--border); }
@media (max-width: 768px) {
  .post-item { flex-direction: column; padding: 16px; }
  .post-thumb { width: 100%; min-height: 140px; }
}
@media (max-width: 520px) {
  .post-thumb { min-height: 100px; }
}

/* ===== 流程/步骤 ===== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}
.step-card {
  text-align: center;
  padding: 32px 16px;
  background: var(--bg);
  border-radius: var(--radius);
  border: 1px solid var(--border-light);
  transition: all var(--transition);
  position: relative;
}
.step-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.step-number {
  width: 48px;
  height: 48px;
  margin: 0 auto 1rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: var(--primary-dark);
  font-weight: 800;
  font-size: 1.2rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.step-card h4 { margin-bottom: 0.4rem; font-size: 1rem; }
.step-card p { font-size: 0.85rem; margin: 0; }
@media (max-width: 768px) {
  .steps-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
}
@media (max-width: 520px) {
  .steps-grid { grid-template-columns: 1fr; }
}

/* ===== FAQ ===== */
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--bg);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
}
.faq-item:hover { border-color: var(--accent); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary);
  background: none;
  text-align: left;
  cursor: pointer;
  transition: all var(--transition);
}
.faq-question i { color: var(--accent); font-size: 0.9rem; transition: transform var(--transition); }
.faq-item.active .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 24px;
}
.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 24px 18px;
}
.faq-answer p { font-size: 0.92rem; color: var(--text-light); margin: 0; }
@media (max-width: 768px) {
  .faq-question { padding: 14px 16px; font-size: 0.95rem; }
  .faq-answer { padding: 0 16px; }
  .faq-item.active .faq-answer { padding: 0 16px 14px; }
}

/* ===== CTA ===== */
.cta-section {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
  opacity: 0.1;
  mix-blend-mode: overlay;
}
.cta-section .container { position: relative; z-index: 2; text-align: center; }
.cta-section h2 { color: var(--text-white); margin-bottom: 0.8rem; }
.cta-section p { color: rgba(255,255,255,0.6); max-width: 520px; margin: 0 auto 2rem; font-size: 1.05rem; }
.cta-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
@media (max-width: 768px) {
  .cta-section { padding: 48px 0; }
  .cta-actions { flex-direction: column; align-items: center; }
  .cta-actions .btn { width: 100%; max-width: 320px; justify-content: center; }
}

/* ===== Footer ===== */
.site-footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.6);
  padding: 48px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 32px;
}
.footer-brand .logo { color: var(--text-white); margin-bottom: 0.8rem; }
.footer-brand p { font-size: 0.88rem; color: rgba(255,255,255,0.4); max-width: 280px; }
.footer-social { display: flex; gap: 12px; margin-top: 1rem; }
.footer-social a {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.5);
  transition: all var(--transition);
}
.footer-social a:hover { background: var(--accent); color: var(--primary-dark); }
.footer-col h4 { color: var(--text-white); font-size: 0.95rem; margin-bottom: 1rem; }
.footer-col ul li { margin-bottom: 0.5rem; }
.footer-col ul a { font-size: 0.88rem; color: rgba(255,255,255,0.45); transition: color var(--transition); }
.footer-col ul a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.3);
}
.footer-bottom a { color: rgba(255,255,255,0.3); }
.footer-bottom a:hover { color: var(--accent); }
@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 520px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* ===== 标签/徽章 ===== */
.badge {
  display: inline-block;
  padding: 3px 12px;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 20px;
}
.badge-accent { background: rgba(212,168,67,0.12); color: var(--accent-dark); }
.badge-primary { background: rgba(10,22,40,0.06); color: var(--primary); }
.badge-success { background: rgba(34,197,94,0.1); color: #16a34a; }
.badge-hot { background: rgba(239,68,68,0.1); color: #dc2626; }

/* ===== 辅助类 ===== */
.text-center { text-align: center; }
.text-accent { color: var(--accent-dark); }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.gap-1 { gap: 1rem; }
.flex-center { display: flex; align-items: center; justify-content: center; }

/* ===== 响应式微调 ===== */
@media (max-width: 1024px) {
  .hero { min-height: auto; }
}
@media (max-width: 520px) {
  .section { padding: 40px 0; }
  .hero { padding: calc(var(--header-height) + 16px) 0 32px; }
  .hero h1 { font-size: 1.8rem; }
  .hero-stat h3 { font-size: 1.1rem; }
  .stat-number { font-size: 1.5rem; }
  .btn { padding: 12px 24px; font-size: 0.95rem; }
}

/* ===== 滚动条美化 ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-alt); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-light); }

/* ===== 图片占位过渡 ===== */
img { transition: opacity 0.3s ease; }
img[loading] { opacity: 0; }
img.loaded { opacity: 1; }

/* ===== 焦点样式 ===== */
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1a3a5c;
            --primary-light: #2a5a8c;
            --primary-dark: #0f2440;
            --accent: #f0b34b;
            --accent-light: #f4c97a;
            --accent-dark: #d4942e;
            --bg-body: #f7f8fa;
            --bg-white: #ffffff;
            --bg-dark: #0f1a2b;
            --bg-card: #ffffff;
            --text-primary: #1a2a3a;
            --text-secondary: #4a5a6a;
            --text-muted: #7a8a9a;
            --text-white: #f0f2f5;
            --border-color: #e2e6ea;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 6px 24px rgba(0,0,0,0.08);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.12);
            --transition: 0.25s ease;
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
        }

        /* ===== 基础 Reset ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-body);
            -webkit-font-smoothing: antialiased;
        }
        a { color: var(--primary-light); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--accent); }
        a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 2px; }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        button, input, textarea { font-family: inherit; font-size: inherit; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 600; color: var(--text-primary); }

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

        /* ===== Header / 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(15, 26, 43, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(240, 179, 75, 0.15);
            transition: background var(--transition);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-white);
            letter-spacing: -0.5px;
        }
        .logo i { font-size: 1.8rem; color: var(--accent); }
        .logo span { color: var(--text-white); }
        .logo .brand-sub { font-weight: 300; font-size: 0.85rem; color: var(--accent-light); margin-left: 4px; }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-list a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            font-size: 0.95rem;
            font-weight: 500;
            color: rgba(240, 242, 245, 0.75);
            border-radius: 30px;
            transition: all var(--transition);
            position: relative;
        }
        .nav-list a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 60%;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
            transition: transform var(--transition);
        }
        .nav-list a:hover { color: var(--text-white); background: rgba(240, 179, 75, 0.08); }
        .nav-list a:hover::after { transform: translateX(-50%) scaleX(1); }
        .nav-list a.active { color: var(--text-white); background: rgba(240, 179, 75, 0.12); }
        .nav-list a.active::after { transform: translateX(-50%) scaleX(1); }
        .nav-list a.nav-cta {
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 600;
            padding: 8px 24px;
            box-shadow: 0 4px 16px rgba(240, 179, 75, 0.3);
        }
        .nav-list a.nav-cta::after { display: none; }
        .nav-list a.nav-cta:hover { background: var(--accent-light); transform: translateY(-1px); box-shadow: 0 6px 24px rgba(240, 179, 75, 0.4); }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-white);
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px 8px;
        }

        /* ===== 页面头部 ===== */
        .page-banner {
            margin-top: var(--header-height);
            padding: 80px 0 60px;
            background: linear-gradient(135deg, var(--bg-dark) 0%, var(--primary) 100%);
            position: relative;
            overflow: hidden;
            min-height: 260px;
            display: flex;
            align-items: center;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.08;
            pointer-events: none;
        }
        .page-banner .container { position: relative; z-index: 1; width: 100%; }
        .page-banner .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: rgba(240, 242, 245, 0.6);
            margin-bottom: 16px;
        }
        .page-banner .breadcrumb a { color: rgba(240, 242, 245, 0.7); }
        .page-banner .breadcrumb a:hover { color: var(--accent); }
        .page-banner .breadcrumb i { font-size: 0.75rem; }
        .page-banner h1 {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--text-white);
            max-width: 800px;
            line-height: 1.3;
        }
        .page-banner .meta-line {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 16px;
            color: rgba(240, 242, 245, 0.7);
            font-size: 0.9rem;
        }
        .page-banner .meta-line span { display: inline-flex; align-items: center; gap: 6px; }
        .page-banner .meta-line .tag {
            background: var(--accent);
            color: var(--primary-dark);
            padding: 2px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
        }

        /* ===== 文章正文区 ===== */
        .article-section {
            padding: 60px 0 80px;
        }
        .article-wrapper {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 48px;
            align-items: start;
        }
        .article-main {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            padding: 40px 48px;
            transition: box-shadow var(--transition);
        }
        .article-main:hover { box-shadow: var(--shadow-md); }
        .article-main .content-body {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text-primary);
        }
        .article-main .content-body p {
            margin-bottom: 1.2em;
        }
        .article-main .content-body h2,
        .article-main .content-body h3 {
            margin-top: 1.8em;
            margin-bottom: 0.6em;
            color: var(--primary);
        }
        .article-main .content-body ul,
        .article-main .content-body ol {
            margin-bottom: 1.2em;
            padding-left: 1.6em;
        }
        .article-main .content-body li {
            list-style: disc;
            margin-bottom: 0.4em;
        }
        .article-main .content-body img {
            border-radius: var(--radius-md);
            margin: 1.5em 0;
            box-shadow: var(--shadow-sm);
        }
        .article-main .content-body a { color: var(--accent-dark); text-decoration: underline; }

        .article-notfound {
            text-align: center;
            padding: 80px 20px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
        }
        .article-notfound i { font-size: 3rem; color: var(--text-muted); margin-bottom: 16px; }
        .article-notfound h2 { font-size: 1.6rem; margin-bottom: 12px; }
        .article-notfound p { color: var(--text-secondary); margin-bottom: 24px; }
        .article-notfound .btn-back { display: inline-flex; align-items: center; gap: 8px; }

        /* ===== 侧边栏 ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }
        .sidebar-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            padding: 28px 24px;
            transition: box-shadow var(--transition);
        }
        .sidebar-card:hover { box-shadow: var(--shadow-md); }
        .sidebar-card h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
            border-bottom: 2px solid var(--accent);
            padding-bottom: 10px;
        }
        .sidebar-card h3 i { color: var(--accent); }
        .sidebar-card ul li {
            padding: 8px 0;
            border-bottom: 1px solid var(--border-color);
        }
        .sidebar-card ul li:last-child { border-bottom: none; }
        .sidebar-card ul li a {
            color: var(--text-secondary);
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition);
        }
        .sidebar-card ul li a:hover { color: var(--accent-dark); padding-left: 4px; }
        .sidebar-card ul li a i { font-size: 0.75rem; color: var(--text-muted); }
        .sidebar-card .tag-group {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .sidebar-card .tag-group a {
            background: var(--bg-body);
            padding: 4px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            color: var(--text-secondary);
            border: 1px solid var(--border-color);
            transition: all var(--transition);
        }
        .sidebar-card .tag-group a:hover {
            background: var(--accent);
            color: var(--primary-dark);
            border-color: var(--accent);
        }
        .sidebar-cta {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: var(--text-white);
            padding: 32px 24px;
            text-align: center;
            border-radius: var(--radius-md);
        }
        .sidebar-cta h4 { color: var(--text-white); font-size: 1.2rem; margin-bottom: 8px; }
        .sidebar-cta p { color: rgba(240,242,245,0.8); font-size: 0.9rem; margin-bottom: 16px; }
        .sidebar-cta .btn-cta {
            background: var(--accent);
            color: var(--primary-dark);
            padding: 10px 32px;
            border-radius: 30px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition);
        }
        .sidebar-cta .btn-cta:hover { background: var(--accent-light); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(240,179,75,0.3); }

        /* ===== 通用按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 28px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
        }
        .btn-primary {
            background: var(--accent);
            color: var(--primary-dark);
        }
        .btn-primary:hover { background: var(--accent-light); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(240,179,75,0.3); color: var(--primary-dark); }
        .btn-outline {
            background: transparent;
            color: var(--text-white);
            border: 1.5px solid rgba(240,242,245,0.3);
        }
        .btn-outline:hover { border-color: var(--accent); color: var(--accent); }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(240,242,245,0.8);
            padding: 60px 0 30px;
            border-top: 1px solid rgba(240,179,75,0.1);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo { margin-bottom: 16px; }
        .footer-brand p { font-size: 0.9rem; line-height: 1.7; max-width: 360px; color: rgba(240,242,245,0.65); }
        .footer-social { display: flex; gap: 12px; margin-top: 20px; }
        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(240,242,245,0.06);
            color: rgba(240,242,245,0.7);
            font-size: 1.2rem;
            transition: all var(--transition);
        }
        .footer-social a:hover { background: var(--accent); color: var(--primary-dark); transform: translateY(-3px); }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 16px;
            position: relative;
            padding-bottom: 8px;
        }
        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 2px;
            background: var(--accent);
        }
        .footer-col ul li { margin-bottom: 10px; }
        .footer-col ul li a {
            color: rgba(240,242,245,0.6);
            font-size: 0.9rem;
            transition: all var(--transition);
        }
        .footer-col ul li a:hover { color: var(--accent); padding-left: 4px; }
        .footer-bottom {
            border-top: 1px solid rgba(240,242,245,0.08);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: rgba(240,242,245,0.5);
        }
        .footer-bottom a { color: rgba(240,242,245,0.6); }
        .footer-bottom a:hover { color: var(--accent); }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .article-wrapper { grid-template-columns: 1fr; }
            .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .page-banner h1 { font-size: 2rem; }
        }
        @media (max-width: 768px) {
            .nav-list { display: none; }
            .nav-toggle { display: block; }
            .nav-list.open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(15, 26, 43, 0.98);
                backdrop-filter: blur(16px);
                padding: 20px 24px;
                gap: 8px;
                border-bottom: 1px solid rgba(240,179,75,0.2);
            }
            .nav-list.open a { width: 100%; justify-content: center; }
            .page-banner { padding: 60px 0 40px; min-height: 200px; }
            .page-banner h1 { font-size: 1.6rem; }
            .article-main { padding: 24px 20px; }
            .article-sidebar { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 32px; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }
        @media (max-width: 520px) {
            .page-banner h1 { font-size: 1.3rem; }
            .article-main .content-body { font-size: 0.95rem; }
            .sidebar-card { padding: 20px 16px; }
        }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #e85d3a;
            --primary-light: #f07a5a;
            --primary-dark: #c94a2a;
            --secondary: #f0a83a;
            --accent: #f5c542;
            --bg-dark: #0b0e1a;
            --bg-card: #141929;
            --bg-section: #0f1322;
            --bg-soft: #1a2038;
            --text-white: #f0f2f8;
            --text-light: #c8cde0;
            --text-muted: #8890aa;
            --border-color: #2a3045;
            --border-light: #3a4258;
            --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 32px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 30px rgba(232, 93, 58, 0.15);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --container-max: 1200px;
            --header-h: 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);
            background: var(--bg-dark);
            color: var(--text-light);
            line-height: 1.7;
            font-size: 16px;
            min-height: 100vh;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
        }
        ul {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--text-white);
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: 0.01em;
        }
        ::selection {
            background: var(--primary);
            color: #fff;
        }
        :focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
        }

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

        /* ===== Header / Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-h);
            background: rgba(11, 14, 26, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(42, 48, 69, 0.5);
            z-index: 1000;
            transition: var(--transition);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            letter-spacing: 0.5px;
            color: var(--text-white);
        }
        .logo i {
            font-size: 26px;
            color: var(--accent);
        }
        .logo span {
            background: linear-gradient(135deg, var(--accent), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-list a {
            padding: 8px 18px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-muted);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
            letter-spacing: 0.3px;
        }
        .nav-list a:hover {
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.04);
        }
        .nav-list a.active {
            color: var(--accent);
            background: rgba(245, 197, 66, 0.08);
        }
        .nav-list a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 4px;
            background: var(--accent);
        }
        .nav-list a.nav-cta {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff !important;
            padding: 8px 22px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(232, 93, 58, 0.3);
        }
        .nav-list a.nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(232, 93, 58, 0.4);
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-white);
            font-size: 26px;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.05);
        }
        @media (max-width: 768px) {
            .nav-list {
                position: fixed;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: rgba(11, 14, 26, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 16px 20px 24px;
                gap: 6px;
                border-bottom: 1px solid var(--border-color);
                transform: translateY(-110%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
                border-radius: 0 0 var(--radius-md) var(--radius-md);
            }
            .nav-list.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-list a {
                width: 100%;
                padding: 12px 16px;
                font-size: 16px;
            }
            .nav-list a.active::after {
                display: none;
            }
            .nav-list a.nav-cta {
                text-align: center;
                margin-top: 8px;
            }
            .nav-toggle {
                display: block;
            }
        }

        /* ===== Page Hero / Banner ===== */
        .page-hero {
            padding: 120px 0 80px;
            background: linear-gradient(135deg, rgba(11, 14, 26, 0.92), rgba(15, 19, 34, 0.85)), url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            border-bottom: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(232, 93, 58, 0.08), transparent 70%);
            pointer-events: none;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -20%;
            left: -5%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(245, 197, 66, 0.06), transparent 70%);
            pointer-events: none;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .page-hero h1 {
            font-size: 48px;
            font-weight: 800;
            margin-bottom: 16px;
            background: linear-gradient(135deg, #fff, var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .page-hero p {
            font-size: 18px;
            color: var(--text-light);
            max-width: 640px;
            margin: 0 auto 28px;
            opacity: 0.85;
        }
        .page-hero .hero-badge {
            display: inline-block;
            padding: 6px 20px;
            border-radius: 40px;
            background: rgba(245, 197, 66, 0.12);
            border: 1px solid rgba(245, 197, 66, 0.2);
            color: var(--accent);
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
        }
        @media (max-width: 768px) {
            .page-hero {
                padding: 100px 0 56px;
            }
            .page-hero h1 {
                font-size: 32px;
            }
            .page-hero p {
                font-size: 16px;
            }
        }

        /* ===== Section ===== */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--bg-section);
        }
        .section-header {
            text-align: center;
            margin-bottom: 56px;
        }
        .section-header h2 {
            font-size: 36px;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .section-header p {
            font-size: 17px;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
        }
        .section-header .section-tag {
            display: inline-block;
            padding: 4px 16px;
            border-radius: 40px;
            background: rgba(232, 93, 58, 0.1);
            border: 1px solid rgba(232, 93, 58, 0.15);
            color: var(--primary-light);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }
        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            .section-header h2 {
                font-size: 28px;
            }
            .section-header p {
                font-size: 15px;
            }
            .section-header {
                margin-bottom: 40px;
            }
        }

        /* ===== Guide Intro ===== */
        .guide-intro {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .guide-intro-image {
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .guide-intro-image img {
            width: 100%;
            height: 400px;
            object-fit: cover;
            transition: var(--transition);
        }
        .guide-intro-image:hover img {
            transform: scale(1.02);
        }
        .guide-intro-text h3 {
            font-size: 28px;
            margin-bottom: 16px;
        }
        .guide-intro-text p {
            margin-bottom: 16px;
            color: var(--text-muted);
            font-size: 16px;
            line-height: 1.8;
        }
        .guide-intro-text .highlight-list {
            margin-top: 20px;
        }
        .guide-intro-text .highlight-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid rgba(42, 48, 69, 0.4);
            color: var(--text-light);
        }
        .guide-intro-text .highlight-list li:last-child {
            border-bottom: none;
        }
        .guide-intro-text .highlight-list li i {
            color: var(--accent);
            font-size: 18px;
            margin-top: 4px;
            flex-shrink: 0;
        }
        @media (max-width: 768px) {
            .guide-intro {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .guide-intro-image img {
                height: 240px;
            }
            .guide-intro-text h3 {
                font-size: 24px;
            }
        }

        /* ===== Steps / Process ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .step-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            text-align: center;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            position: relative;
        }
        .step-card:hover {
            border-color: var(--primary);
            transform: translateY(-6px);
            box-shadow: var(--shadow-glow);
        }
        .step-card .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            box-shadow: 0 4px 16px rgba(232, 93, 58, 0.25);
        }
        .step-card h4 {
            font-size: 18px;
            margin-bottom: 10px;
        }
        .step-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .step-card .step-icon {
            font-size: 32px;
            color: var(--accent);
            margin-bottom: 16px;
        }
        @media (max-width: 992px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .steps-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Feature Cards ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .feature-card:hover {
            border-color: var(--accent);
            transform: translateY(-4px);
            box-shadow: var(--shadow-glow);
        }
        .feature-card .fc-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-sm);
            background: rgba(245, 197, 66, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            color: var(--accent);
            margin-bottom: 18px;
        }
        .feature-card h4 {
            font-size: 20px;
            margin-bottom: 10px;
        }
        .feature-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
        }
        @media (max-width: 992px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .features-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Content / Article List ===== */
        .content-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .content-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .content-card:hover {
            border-color: var(--primary);
            transform: translateY(-4px);
            box-shadow: var(--shadow-glow);
        }
        .content-card .cc-img {
            height: 200px;
            overflow: hidden;
        }
        .content-card .cc-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .content-card:hover .cc-img img {
            transform: scale(1.05);
        }
        .content-card .cc-body {
            padding: 20px 22px 24px;
        }
        .content-card .cc-tag {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 40px;
            background: rgba(232, 93, 58, 0.08);
            color: var(--primary-light);
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .content-card .cc-body h4 {
            font-size: 18px;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .content-card .cc-body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .content-card .cc-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-top: 14px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .content-card .cc-meta i {
            margin-right: 4px;
        }
        @media (max-width: 992px) {
            .content-list {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .content-list {
                grid-template-columns: 1fr;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            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: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-light);
        }
        .faq-question {
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-white);
            transition: var(--transition);
            user-select: none;
            gap: 16px;
        }
        .faq-question:hover {
            background: rgba(255, 255, 255, 0.02);
        }
        .faq-question i {
            font-size: 18px;
            color: var(--accent);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-question.open i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 24px 18px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            display: none;
        }
        .faq-answer.show {
            display: block;
        }
        @media (max-width: 768px) {
            .faq-question {
                padding: 16px 18px;
                font-size: 15px;
            }
            .faq-answer {
                padding: 0 18px 16px;
                font-size: 14px;
            }
        }

        /* ===== CTA ===== */
        .cta-box {
            background: linear-gradient(135deg, rgba(232, 93, 58, 0.12), rgba(245, 197, 66, 0.08));
            border: 1px solid rgba(232, 93, 58, 0.2);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-box::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(232, 93, 58, 0.06), transparent 70%);
            pointer-events: none;
        }
        .cta-box h3 {
            font-size: 32px;
            margin-bottom: 12px;
        }
        .cta-box p {
            font-size: 17px;
            color: var(--text-muted);
            max-width: 520px;
            margin: 0 auto 28px;
        }
        .cta-box .cta-btn-group {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .cta-box .btn-primary {
            padding: 14px 36px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-weight: 600;
            font-size: 16px;
            box-shadow: 0 4px 20px rgba(232, 93, 58, 0.3);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .cta-box .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 32px rgba(232, 93, 58, 0.4);
        }
        .cta-box .btn-secondary {
            padding: 14px 36px;
            border-radius: var(--radius-sm);
            background: transparent;
            color: var(--text-white);
            font-weight: 600;
            font-size: 16px;
            border: 1px solid var(--border-light);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .cta-box .btn-secondary:hover {
            border-color: var(--accent);
            background: rgba(245, 197, 66, 0.04);
            color: var(--accent);
        }
        @media (max-width: 768px) {
            .cta-box {
                padding: 36px 24px;
            }
            .cta-box h3 {
                font-size: 26px;
            }
            .cta-box p {
                font-size: 15px;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-card);
            border-top: 1px solid var(--border-color);
            padding: 60px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo {
            margin-bottom: 16px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 360px;
        }
        .footer-social {
            display: flex;
            gap: 12px;
            margin-top: 18px;
        }
        .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 18px;
            transition: var(--transition);
        }
        .footer-social a:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            transform: translateY(-3px);
        }
        .footer-col h4 {
            font-size: 16px;
            margin-bottom: 16px;
            color: var(--text-white);
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-muted);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== Utility ===== */
        .text-center {
            text-align: center;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-32 {
            margin-top: 32px;
        }
        .mb-16 {
            margin-bottom: 16px;
        }
        .mb-32 {
            margin-bottom: 32px;
        }
        .gap-8 {
            gap: 8px;
        }

        /* ===== Responsive extra ===== */
        @media (max-width: 768px) {
            .features-grid,
            .content-list {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 520px) {
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .page-hero h1 {
                font-size: 28px;
            }
            .page-hero p {
                font-size: 15px;
            }
            .cta-box .cta-btn-group {
                flex-direction: column;
                align-items: center;
            }
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar {
            width: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-dark);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--border-light);
            border-radius: 8px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--text-muted);
        }