/* roulang page: index */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
:root {
  --primary: #0f172a;
  --primary-light: #1e293b;
  --primary-dark: #070c1a;
  --secondary: #f59e0b;
  --secondary-light: #fbbf24;
  --secondary-dark: #d97706;
  --accent: #3b82f6;
  --accent-light: #60a5fa;
  --bg: #ffffff;
  --bg-alt: #f8fafc;
  --bg-section: #f1f5f9;
  --text: #0f172a;
  --text-body: #334155;
  --text-light: #64748b;
  --text-white: #ffffff;
  --border: #e2e8f0;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 6px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.12);
  --shadow-glow: 0 0 30px rgba(245,158,11,0.25);
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
  --font: 'PingFang SC','Microsoft YaHei','Helvetica Neue',system-ui,-apple-system,sans-serif;
  --max-width: 1200px;
  --header-h: 72px;
}
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-body);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--secondary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--secondary-dark); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
input, button, textarea { font-family: inherit; font-size: inherit; outline: none; border: none; }
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
.section-pad { padding: 80px 0; }
.section-pad-sm { padding: 48px 0; }
.text-center { text-align: center; }
.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
  line-height: 1.3;
}
.section-sub {
  font-size: 1.05rem;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto 48px;
  line-height: 1.6;
}
.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--secondary);
  text-transform: uppercase;
  margin-bottom: 8px;
}
/* ===== HEADER ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(15,23,42,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: background var(--transition);
}
.header.scrolled { background: rgba(15,23,42,0.98); }
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
.logo {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-white);
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.logo i { color: var(--secondary); font-size: 1.4rem; }
.logo span { background: linear-gradient(135deg, var(--secondary), var(--secondary-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.nav-list {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-list a {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255,255,255,0.7);
  transition: all var(--transition);
  position: relative;
}
.nav-list a i { font-size: 0.85rem; }
.nav-list a:hover { color: var(--text-white); background: rgba(255,255,255,0.08); }
.nav-list a.active {
  color: var(--text-white);
  background: rgba(245,158,11,0.18);
  box-shadow: 0 0 20px rgba(245,158,11,0.1);
}
.nav-list a.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 3px;
  background: var(--secondary);
  border-radius: 2px;
}
.nav-cta {
  background: linear-gradient(135deg, var(--secondary), var(--secondary-dark)) !important;
  color: var(--text-white) !important;
  padding: 8px 24px !important;
  border-radius: 50px !important;
  font-weight: 600 !important;
  box-shadow: 0 4px 16px rgba(245,158,11,0.3);
}
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(245,158,11,0.4) !important; }
.mobile-toggle { display: none; font-size: 1.5rem; color: var(--text-white); background: none; cursor: pointer; padding: 8px; }
@media (max-width: 768px) {
  .nav-list { display: none; position: absolute; top: var(--header-h); left: 0; right: 0; background: rgba(15,23,42,0.98); backdrop-filter: blur(20px); flex-direction: column; padding: 16px 24px; gap: 4px; border-bottom: 1px solid rgba(255,255,255,0.06); }
  .nav-list.open { display: flex; }
  .nav-list a { width: 100%; justify-content: center; padding: 12px 20px; }
  .mobile-toggle { display: block; }
}
/* ===== HERO ===== */
.hero {
  padding-top: var(--header-h);
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background: var(--primary-dark);
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  opacity: 0.5;
  mix-blend-mode: overlay;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15,23,42,0.88) 0%, rgba(15,23,42,0.6) 50%, rgba(245,158,11,0.12) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 820px;
  margin: 0 auto;
  padding: 60px 24px;
  text-align: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 20px;
  border-radius: 50px;
  background: rgba(245,158,11,0.15);
  border: 1px solid rgba(245,158,11,0.25);
  color: var(--secondary-light);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 28px;
  backdrop-filter: blur(8px);
}
.hero-badge i { font-size: 0.8rem; }
.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--text-white);
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}
.hero h1 span { background: linear-gradient(135deg, var(--secondary), var(--secondary-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero p {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.75);
  max-width: 600px;
  margin: 0 auto 36px;
  line-height: 1.7;
}
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
  line-height: 1;
}
.btn-primary { background: linear-gradient(135deg, var(--secondary), var(--secondary-dark)); color: var(--text-white); box-shadow: 0 6px 24px rgba(245,158,11,0.35); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 12px 40px rgba(245,158,11,0.45); color: var(--text-white); }
.btn-outline { background: transparent; color: var(--text-white); border: 2px solid rgba(255,255,255,0.25); }
.btn-outline:hover { background: rgba(255,255,255,0.08); border-color: var(--secondary); color: var(--secondary); transform: translateY(-3px); }
.hero-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  margin-top: 48px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.hero-stat { text-align: center; }
.hero-stat-num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--secondary);
  line-height: 1.2;
}
.hero-stat-label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  margin-top: 4px;
}
@media (max-width: 768px) {
  .hero h1 { font-size: 2.2rem; }
  .hero p { font-size: 1rem; }
  .hero-stats { gap: 24px; flex-wrap: wrap; }
  .hero-stat-num { font-size: 1.5rem; }
}
@media (max-width: 520px) {
  .hero h1 { font-size: 1.8rem; }
  .hero-actions { flex-direction: column; align-items: center; }
  .btn { width: 100%; justify-content: center; }
}
/* ===== FEATURES ===== */
.features { background: var(--bg); }
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.feature-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 28px;
  text-align: center;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--secondary), var(--secondary-light));
  opacity: 0;
  transition: opacity var(--transition);
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.feature-card:hover::before { opacity: 1; }
.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, rgba(245,158,11,0.1), rgba(245,158,11,0.05));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--secondary);
  transition: all var(--transition);
}
.feature-card:hover .feature-icon { background: linear-gradient(135deg, var(--secondary), var(--secondary-dark)); color: var(--text-white); transform: scale(1.05); }
.feature-card h3 { font-size: 1.2rem; font-weight: 700; color: var(--text); margin-bottom: 12px; }
.feature-card p { font-size: 0.92rem; color: var(--text-light); line-height: 1.6; }
@media (max-width: 768px) {
  .features-grid { grid-template-columns: 1fr; gap: 20px; }
}
/* ===== CATEGORY ENTRY ===== */
.category-entry {
  background: var(--bg-alt);
}
.category-entry-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.category-entry-img {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.category-entry-img img { width: 100%; height: 380px; object-fit: cover; transition: transform 0.5s ease; }
.category-entry-img:hover img { transform: scale(1.03); }
.category-entry-text h2 { font-size: 2rem; font-weight: 700; color: var(--text); margin-bottom: 16px; }
.category-entry-text p { font-size: 1rem; color: var(--text-light); line-height: 1.7; margin-bottom: 24px; }
.category-tags { display: flex; gap: 12px; flex-wrap: wrap; }
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 500;
  background: rgba(245,158,11,0.08);
  color: var(--secondary-dark);
  border: 1px solid rgba(245,158,11,0.15);
  transition: all var(--transition);
}
.tag:hover { background: var(--secondary); color: var(--text-white); border-color: var(--secondary); transform: translateY(-2px); }
@media (max-width: 768px) {
  .category-entry-grid { grid-template-columns: 1fr; gap: 24px; }
  .category-entry-img img { height: 240px; }
  .category-entry-text h2 { font-size: 1.5rem; }
}
/* ===== LATEST POSTS ===== */
.latest-posts { background: var(--bg); }
.posts-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.post-card {
  display: flex;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
}
.post-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }
.post-card-img {
  width: 200px;
  min-height: 160px;
  flex-shrink: 0;
  overflow: hidden;
}
.post-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.post-card:hover .post-card-img img { transform: scale(1.05); }
.post-card-body { padding: 20px 24px; display: flex; flex-direction: column; justify-content: center; flex: 1; }
.post-card-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; font-size: 0.78rem; color: var(--text-light); }
.post-card-cat {
  padding: 2px 12px;
  border-radius: 50px;
  background: rgba(245,158,11,0.1);
  color: var(--secondary-dark);
  font-weight: 600;
  font-size: 0.72rem;
}
.post-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.post-card h3 a { color: inherit; }
.post-card h3 a:hover { color: var(--secondary); }
.post-card p {
  font-size: 0.88rem;
  color: var(--text-light);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.post-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  color: var(--text-light);
  font-size: 1rem;
  background: var(--bg-alt);
  border-radius: var(--radius);
}
@media (max-width: 768px) {
  .posts-grid { grid-template-columns: 1fr; }
  .post-card { flex-direction: column; }
  .post-card-img { width: 100%; height: 180px; }
}
@media (max-width: 520px) {
  .post-card-img { height: 140px; }
  .post-card-body { padding: 16px; }
}
/* ===== STATS ===== */
.stats-section {
  background: var(--primary-dark);
  position: relative;
  overflow: hidden;
}
.stats-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
  opacity: 0.08;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
  z-index: 1;
}
.stat-item { text-align: center; padding: 20px; }
.stat-item-num { font-size: 2.8rem; font-weight: 800; color: var(--secondary); line-height: 1.1; margin-bottom: 8px; }
.stat-item-label { font-size: 0.9rem; color: rgba(255,255,255,0.6); }
@media (max-width: 768px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .stat-item-num { font-size: 2rem; }
}
@media (max-width: 520px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
}
/* ===== FAQ ===== */
.faq-section { background: var(--bg-alt); }
.faq-list { max-width: 780px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: all var(--transition);
}
.faq-item:hover { border-color: rgba(245,158,11,0.2); }
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  transition: color var(--transition);
  user-select: none;
}
.faq-question i { color: var(--text-light); transition: transform var(--transition); font-size: 0.85rem; }
.faq-item.active .faq-question { color: var(--secondary); }
.faq-item.active .faq-question i { transform: rotate(180deg); color: var(--secondary); }
.faq-answer {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: all 0.35s ease;
  color: var(--text-light);
  font-size: 0.92rem;
  line-height: 1.7;
}
.faq-item.active .faq-answer { padding: 0 24px 20px; max-height: 300px; }
/* ===== CTA ===== */
.cta-section {
  background: var(--primary-dark);
  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: 0.06;
}
.cta-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}
.cta-content h2 { font-size: 2.2rem; font-weight: 700; color: var(--text-white); margin-bottom: 16px; }
.cta-content p { font-size: 1.05rem; color: rgba(255,255,255,0.65); margin-bottom: 32px; line-height: 1.6; }
/* ===== FOOTER ===== */
.footer {
  background: var(--primary);
  border-top: 1px solid rgba(255,255,255,0.06);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 32px 0;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-brand .logo { font-size: 1.3rem; }
.footer-copy { font-size: 0.85rem; color: rgba(255,255,255,0.4); }
.footer-links { display: flex; gap: 24px; }
.footer-links a { font-size: 0.85rem; color: rgba(255,255,255,0.45); transition: color var(--transition); }
.footer-links a:hover { color: var(--secondary); }
.footer-social { display: flex; gap: 16px; }
.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.5);
  transition: all var(--transition);
}
.footer-social a:hover { background: var(--secondary); color: var(--text-white); transform: translateY(-3px); }
@media (max-width: 768px) {
  .footer-inner { flex-direction: column; align-items: center; text-align: center; }
  .footer-links { flex-wrap: wrap; justify-content: center; }
}
/* ===== RESPONSIVE HELPERS ===== */
@media (max-width: 1024px) {
  .container { padding: 0 20px; }
  .section-pad { padding: 60px 0; }
  .section-title { font-size: 1.7rem; }
}
@media (max-width: 520px) {
  .section-pad { padding: 40px 0; }
  .section-title { font-size: 1.4rem; }
  .section-sub { font-size: 0.92rem; margin-bottom: 32px; }
}

/* roulang page: article */
/* ===== Design Variables ===== */
:root {
  --primary: #1e2a4a;
  --primary-light: #2a3a5e;
  --primary-dark: #141f38;
  --accent: #6c5ce7;
  --accent-light: #8b7cf7;
  --accent-dark: #5a4bd1;
  --gold: #f0b90b;
  --gold-light: #fcd34d;
  --gold-dark: #d4a308;
  --bg-body: #f5f6fa;
  --bg-card: #ffffff;
  --bg-soft: #eef0f5;
  --bg-dark: #1a1a2e;
  --text-primary: #1a1a2e;
  --text-secondary: #4a4a6a;
  --text-muted: #8a8aa0;
  --text-inverse: #f0f2f8;
  --border: #e2e4ec;
  --border-light: #f0f1f5;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
  --shadow-md: 0 6px 24px rgba(0,0,0,0.07);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.10);
  --shadow-glow: 0 0 30px rgba(108,92,231,0.15);
  --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
  --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  --font-serif: 'Georgia', 'Times New Roman', serif;
  --container: 1160px;
  --nav-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);
}
img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-dark); }
a:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
button, input, textarea { font-family: inherit; font-size: inherit; }
ul, ol { list-style: none; }

/* ===== Container ===== */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
@media (max-width: 640px) {
  .container { padding: 0 16px; }
}

/* ===== Header / Nav ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(30, 42, 74, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  height: var(--nav-height);
  transition: background var(--transition);
}
.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-inverse);
  letter-spacing: -0.3px;
  transition: opacity var(--transition);
}
.logo i { color: var(--gold); font-size: 1.5rem; }
.logo span { color: var(--gold); }
.logo:hover { opacity: 0.85; color: var(--text-inverse); }
.nav-list {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-list a {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: 40px;
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255,255,255,0.7);
  transition: all var(--transition);
  white-space: nowrap;
}
.nav-list a i { font-size: 0.95rem; }
.nav-list a:hover { background: rgba(255,255,255,0.10); color: #fff; }
.nav-list a.active { background: rgba(108,92,231,0.25); color: #fff; font-weight: 600; }
.nav-list a.nav-cta {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--primary-dark);
  font-weight: 600;
  padding: 8px 22px;
  box-shadow: 0 4px 14px rgba(240,185,11,0.30);
}
.nav-list a.nav-cta:hover { background: linear-gradient(135deg, var(--gold-light), var(--gold)); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(240,185,11,0.40); }
.nav-toggle { display: none; background: none; border: none; color: #fff; font-size: 1.6rem; cursor: pointer; padding: 4px; }
@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .nav-list {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    width: 100%;
    flex-direction: column;
    background: rgba(26, 26, 46, 0.98);
    backdrop-filter: blur(20px);
    padding: 20px 24px;
    gap: 10px;
    transform: translateY(-110%);
    opacity: 0;
    transition: all 0.35s cubic-bezier(0.4,0,0.2,1);
    border-bottom: 1px solid rgba(255,255,255,0.06);
    pointer-events: none;
  }
  .nav-list.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-list a { width: 100%; justify-content: center; padding: 12px 18px; font-size: 1rem; }
  .nav-list a.nav-cta { margin-top: 6px; }
}

/* ===== Hero / Banner (文章页) ===== */
.article-hero {
  position: relative;
  margin-top: var(--nav-height);
  padding: 80px 0 64px;
  background: var(--primary-dark);
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  background-blend-mode: overlay;
  min-height: 320px;
  display: flex;
  align-items: center;
}
.article-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(30,42,74,0.85) 0%, rgba(20,31,56,0.70) 60%, rgba(108,92,231,0.25) 100%);
  z-index: 1;
}
.article-hero .container { position: relative; z-index: 2; width: 100%; }
.article-hero-content { max-width: 860px; }
.article-hero .post-category {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(240,185,11,0.20);
  color: var(--gold-light);
  padding: 4px 16px;
  border-radius: 40px;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.3px;
  backdrop-filter: blur(4px);
  border: 1px solid rgba(240,185,11,0.15);
  margin-bottom: 16px;
}
.article-hero .post-category i { font-size: 0.75rem; }
.article-hero h1 {
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1.2;
  color: #fff;
  letter-spacing: -0.5px;
  margin-bottom: 14px;
  text-shadow: 0 2px 12px rgba(0,0,0,0.20);
}
.article-hero .post-meta {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  color: rgba(255,255,255,0.70);
  font-size: 0.88rem;
}
.article-hero .post-meta i { margin-right: 4px; color: var(--gold); opacity: 0.7; }
@media (max-width: 768px) {
  .article-hero { padding: 60px 0 48px; min-height: 240px; }
  .article-hero h1 { font-size: 1.8rem; }
  .article-hero .post-meta { gap: 12px; font-size: 0.82rem; }
}
@media (max-width: 520px) {
  .article-hero h1 { font-size: 1.5rem; }
  .article-hero { padding: 48px 0 36px; }
}

/* ===== Main Content ===== */
.article-main {
  padding: 48px 0 56px;
}
.article-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 48px;
  align-items: start;
}
.article-body {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 40px 44px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
}
.article-body .featured-image {
  width: 100%;
  border-radius: var(--radius-md);
  margin-bottom: 32px;
  box-shadow: var(--shadow-sm);
  object-fit: cover;
  max-height: 420px;
}
.article-body .post-content {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--text-secondary);
}
.article-body .post-content p {
  margin-bottom: 1.4em;
}
.article-body .post-content h2,
.article-body .post-content h3 {
  color: var(--text-primary);
  margin-top: 1.8em;
  margin-bottom: 0.7em;
  font-weight: 700;
  line-height: 1.3;
}
.article-body .post-content h2 { font-size: 1.65rem; }
.article-body .post-content h3 { font-size: 1.3rem; }
.article-body .post-content ul,
.article-body .post-content ol {
  margin-bottom: 1.4em;
  padding-left: 1.6em;
}
.article-body .post-content li {
  margin-bottom: 0.5em;
  list-style: disc;
}
.article-body .post-content ol li { list-style: decimal; }
.article-body .post-content blockquote {
  border-left: 4px solid var(--accent);
  background: var(--bg-soft);
  padding: 16px 24px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 1.4em 0;
  color: var(--text-secondary);
  font-style: italic;
}
.article-body .post-content a { color: var(--accent); font-weight: 500; text-decoration: underline; text-underline-offset: 2px; }
.article-body .post-content img { border-radius: var(--radius-md); margin: 1.2em 0; box-shadow: var(--shadow-sm); }

/* 文章侧边栏 */
.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 28px;
  position: sticky;
  top: calc(var(--nav-height) + 24px);
}
.sidebar-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 24px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}
.sidebar-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.sidebar-card h3 i { color: var(--gold); font-size: 0.9rem; }
.sidebar-card .sidebar-list a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border-light);
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: all var(--transition);
}
.sidebar-card .sidebar-list a:last-child { border-bottom: none; }
.sidebar-card .sidebar-list a:hover { color: var(--accent); padding-left: 6px; }
.sidebar-card .sidebar-list a i { color: var(--accent); font-size: 0.75rem; opacity: 0.6; }
.sidebar-cta-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 12px 20px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff;
  border-radius: 40px;
  font-weight: 600;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: 0 4px 16px rgba(108,92,231,0.25);
}
.sidebar-cta-btn:hover { background: linear-gradient(135deg, var(--accent-light), var(--accent)); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(108,92,231,0.30); color: #fff; }
@media (max-width: 992px) {
  .article-layout { grid-template-columns: 1fr; gap: 32px; }
  .article-sidebar { position: static; display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
  .article-body { padding: 28px 24px; }
}
@media (max-width: 640px) {
  .article-sidebar { grid-template-columns: 1fr; }
  .article-body { padding: 20px 16px; border-radius: var(--radius-md); }
  .article-body .post-content { font-size: 0.98rem; }
}

/* ===== Post Info Bar ===== */
.post-info-bar {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 20px 28px;
  margin-top: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}
.post-info-bar .tags { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.post-info-bar .tags span { background: var(--bg-soft); padding: 4px 14px; border-radius: 40px; font-size: 0.8rem; color: var(--text-muted); font-weight: 500; }
.post-info-bar .share { display: flex; align-items: center; gap: 10px; }
.post-info-bar .share a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-soft);
  color: var(--text-muted);
  font-size: 0.95rem;
  transition: all var(--transition);
}
.post-info-bar .share a:hover { background: var(--accent); color: #fff; transform: scale(1.08); }
@media (max-width: 520px) {
  .post-info-bar { flex-direction: column; align-items: flex-start; padding: 16px 18px; }
}

/* ===== 文章未找到 ===== */
.not-found-box {
  text-align: center;
  padding: 64px 24px;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
}
.not-found-box i { font-size: 3rem; color: var(--gold); opacity: 0.5; margin-bottom: 16px; }
.not-found-box h2 { font-size: 1.6rem; color: var(--text-primary); margin-bottom: 10px; }
.not-found-box p { color: var(--text-muted); margin-bottom: 24px; }
.not-found-box .btn-home {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 32px;
  background: var(--primary);
  color: #fff;
  border-radius: 40px;
  font-weight: 600;
  transition: all var(--transition);
}
.not-found-box .btn-home:hover { background: var(--primary-light); transform: translateY(-2px); box-shadow: var(--shadow-md); color: #fff; }

/* ===== CTA 区块 ===== */
.article-cta {
  padding: 56px 0;
  background: var(--bg-soft);
}
.article-cta .cta-card {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 60%, var(--accent-dark) 100%);
  border-radius: var(--radius-xl);
  padding: 48px 56px;
  text-align: center;
  color: #fff;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}
.article-cta .cta-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity: 0.08;
  z-index: 0;
}
.article-cta .cta-card > * { position: relative; z-index: 1; }
.article-cta .cta-card h2 { font-size: 1.8rem; font-weight: 800; margin-bottom: 12px; }
.article-cta .cta-card p { font-size: 1.05rem; opacity: 0.85; max-width: 560px; margin: 0 auto 28px; }
.article-cta .cta-card .cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 40px;
  background: var(--gold);
  color: var(--primary-dark);
  font-weight: 700;
  border-radius: 40px;
  font-size: 1rem;
  transition: all var(--transition);
  box-shadow: 0 6px 24px rgba(240,185,11,0.30);
}
.article-cta .cta-card .cta-btn:hover { background: var(--gold-light); transform: translateY(-3px); box-shadow: 0 10px 36px rgba(240,185,11,0.40); color: var(--primary-dark); }
@media (max-width: 640px) {
  .article-cta .cta-card { padding: 32px 20px; }
  .article-cta .cta-card h2 { font-size: 1.4rem; }
}

/* ===== 推荐阅读 ===== */
.related-posts {
  padding: 56px 0 16px;
  background: var(--bg-body);
}
.related-posts .section-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.related-posts .section-title i { color: var(--gold); font-size: 1.2rem; }
.related-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.related-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  display: flex;
  align-items: center;
  gap: 18px;
}
.related-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--border); }
.related-card .rc-icon {
  width: 52px;
  height: 52px;
  background: var(--bg-soft);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--accent);
  flex-shrink: 0;
  transition: all var(--transition);
}
.related-card:hover .rc-icon { background: var(--accent); color: #fff; }
.related-card .rc-text { flex: 1; }
.related-card .rc-text h4 { font-size: 1rem; font-weight: 600; color: var(--text-primary); margin-bottom: 4px; }
.related-card .rc-text p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.4; }
.related-card .rc-text a { color: inherit; }
.related-card .rc-text a:hover { color: var(--accent); }
@media (max-width: 768px) {
  .related-grid { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .related-card { flex-direction: column; text-align: center; padding: 20px 16px; }
}

/* ===== Footer ===== */
.footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.70);
  padding: 48px 0 32px;
  border-top: 1px solid rgba(255,255,255,0.05);
}
.footer-inner {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 32px;
  align-items: start;
}
.footer-brand .logo { font-size: 1.2rem; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { color: rgba(255,255,255,0.60); font-size: 0.9rem; transition: all var(--transition); display: flex; align-items: center; gap: 6px; }
.footer-links a:hover { color: var(--gold); padding-left: 4px; }
.footer-social { display: flex; gap: 14px; justify-content: flex-end; }
.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.60);
  font-size: 1.1rem;
  transition: all var(--transition);
}
.footer-social a:hover { background: var(--accent); color: #fff; transform: scale(1.1); }
.footer-copy {
  grid-column: 1 / -1;
  text-align: center;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,0.06);
  font-size: 0.82rem;
  color: rgba(255,255,255,0.40);
  margin-top: 12px;
}
@media (max-width: 768px) {
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 24px; }
  .footer-social { justify-content: flex-start; grid-column: 1 / -1; }
  .footer-copy { grid-column: 1 / -1; }
}
@media (max-width: 520px) {
  .footer-inner { grid-template-columns: 1fr; text-align: center; }
  .footer-links { align-items: center; }
  .footer-social { justify-content: center; }
}

/* ===== Utility ===== */
.text-center { text-align: center; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.gap-8 { gap: 8px; }
.flex-center { display: flex; align-items: center; justify-content: center; }
@media (max-width: 640px) {
  .hide-mobile { display: none !important; }
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
    :root {
      --primary: #7C3AED;
      --primary-light: #A78BFA;
      --primary-dark: #5B21B6;
      --accent: #F59E0B;
      --accent-light: #FCD34D;
      --accent-dark: #D97706;
      --bg-dark: #0B0B1A;
      --bg-card: #151528;
      --bg-card-hover: #1E1E3A;
      --bg-section: #0F0F22;
      --bg-section-alt: #13132B;
      --text-primary: #F5F5F5;
      --text-secondary: #B0B0C8;
      --text-muted: #6B6B8A;
      --border-color: #2A2A4A;
      --border-hover: #4A4A7A;
      --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 30px rgba(0,0,0,0.4);
      --shadow-lg: 0 20px 60px rgba(0,0,0,0.5);
      --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
      --font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
      --max-width: 1200px;
      --nav-height: 72px;
    }

    /* ===== Reset & 基础 ===== */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
    body {
      font-family: var(--font-family);
      background: var(--bg-dark);
      color: var(--text-primary);
      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; outline: none; border: none; }
    button { cursor: pointer; background: none; }
    ul, ol { list-style: none; }
    h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; color: var(--text-primary); }

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

    /* ===== 辅助类 ===== */
    .section-pad { padding: 80px 0; }
    .section-title {
      font-size: 2.2rem;
      font-weight: 800;
      margin-bottom: 12px;
      letter-spacing: -0.5px;
    }
    .section-sub {
      font-size: 1.1rem;
      color: var(--text-secondary);
      max-width: 640px;
      line-height: 1.6;
    }
    .section-header {
      text-align: center;
      margin-bottom: 48px;
    }
    .section-header .section-sub {
      margin: 0 auto;
    }
    .tag {
      display: inline-block;
      padding: 4px 16px;
      border-radius: 20px;
      font-size: 0.8rem;
      font-weight: 500;
      background: rgba(124,58,237,0.2);
      color: var(--primary-light);
      border: 1px solid rgba(124,58,237,0.3);
      transition: var(--transition);
    }
    .tag:hover {
      background: rgba(124,58,237,0.35);
      border-color: var(--primary);
    }
    .tag-accent {
      background: rgba(245,158,11,0.2);
      color: var(--accent-light);
      border-color: rgba(245,158,11,0.3);
    }
    .tag-accent:hover {
      background: rgba(245,158,11,0.35);
      border-color: var(--accent);
    }
    .badge {
      display: inline-block;
      padding: 2px 12px;
      border-radius: 12px;
      font-size: 0.7rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }
    .badge-hot {
      background: #EF4444;
      color: #fff;
    }
    .badge-new {
      background: #10B981;
      color: #fff;
    }
    .badge-featured {
      background: var(--accent);
      color: #0B0B1A;
    }

    /* ===== Header & 导航 ===== */
    .header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1000;
      background: rgba(11,11,26,0.85);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border-bottom: 1px solid rgba(42,42,74,0.5);
      height: var(--nav-height);
      transition: var(--transition);
    }
    .header.scrolled {
      background: rgba(11,11,26,0.96);
      box-shadow: 0 4px 30px rgba(0,0,0,0.4);
    }
    .header .container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 100%;
    }
    .logo {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 1.4rem;
      font-weight: 800;
      color: var(--text-primary);
      letter-spacing: -0.3px;
    }
    .logo i {
      color: var(--accent);
      font-size: 1.6rem;
    }
    .logo span {
      color: var(--primary-light);
    }
    .nav-list {
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .nav-list a {
      display: flex;
      align-items: center;
      gap: 6px;
      padding: 8px 18px;
      border-radius: 10px;
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-secondary);
      transition: var(--transition);
      position: relative;
    }
    .nav-list a i {
      font-size: 0.9rem;
    }
    .nav-list a:hover {
      color: var(--text-primary);
      background: rgba(124,58,237,0.15);
    }
    .nav-list a.active {
      color: var(--text-primary);
      background: rgba(124,58,237,0.25);
    }
    .nav-list a.active::after {
      content: '';
      position: absolute;
      bottom: 2px;
      left: 50%;
      transform: translateX(-50%);
      width: 20px;
      height: 3px;
      background: var(--accent);
      border-radius: 2px;
    }
    .nav-cta {
      background: linear-gradient(135deg, var(--primary), var(--primary-dark)) !important;
      color: #fff !important;
      padding: 8px 22px !important;
      border-radius: 10px !important;
      font-weight: 600 !important;
      box-shadow: 0 4px 15px rgba(124,58,237,0.35);
      margin-left: 8px;
    }
    .nav-cta:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 25px rgba(124,58,237,0.5) !important;
      background: linear-gradient(135deg, var(--primary-light), var(--primary)) !important;
    }
    .nav-toggle {
      display: none;
      font-size: 1.6rem;
      color: var(--text-primary);
      background: none;
      border: none;
      padding: 4px 8px;
      cursor: pointer;
    }

    /* ===== Hero / Banner ===== */
    .hero {
      padding: 120px 0 80px;
      background: linear-gradient(135deg, rgba(11,11,26,0.92), rgba(21,21,50,0.88)), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
      border-bottom: 1px solid var(--border-color);
      position: relative;
    }
    .hero::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      height: 120px;
      background: linear-gradient(to top, var(--bg-dark), transparent);
      pointer-events: none;
    }
    .hero .container {
      position: relative;
      z-index: 2;
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
    }
    .hero-badge {
      display: inline-block;
      padding: 6px 20px;
      border-radius: 20px;
      background: rgba(245,158,11,0.2);
      border: 1px solid rgba(245,158,11,0.3);
      color: var(--accent-light);
      font-size: 0.85rem;
      font-weight: 500;
      margin-bottom: 20px;
      letter-spacing: 1px;
    }
    .hero h1 {
      font-size: 3.4rem;
      font-weight: 900;
      letter-spacing: -1px;
      margin-bottom: 16px;
      background: linear-gradient(135deg, #F5F5F5 30%, var(--primary-light) 80%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    .hero p {
      font-size: 1.2rem;
      color: var(--text-secondary);
      max-width: 600px;
      margin-bottom: 28px;
      line-height: 1.7;
    }
    .hero-actions {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
      justify-content: center;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 14px 32px;
      border-radius: 12px;
      font-size: 1rem;
      font-weight: 600;
      transition: var(--transition);
      border: none;
      cursor: pointer;
    }
    .btn-primary {
      background: linear-gradient(135deg, var(--primary), var(--primary-dark));
      color: #fff;
      box-shadow: 0 4px 20px rgba(124,58,237,0.35);
    }
    .btn-primary:hover {
      transform: translateY(-3px);
      box-shadow: 0 10px 35px rgba(124,58,237,0.5);
    }
    .btn-outline {
      background: transparent;
      color: var(--text-primary);
      border: 2px solid var(--border-color);
    }
    .btn-outline:hover {
      border-color: var(--primary-light);
      background: rgba(124,58,237,0.1);
      transform: translateY(-3px);
    }
    .btn-accent {
      background: linear-gradient(135deg, var(--accent), var(--accent-dark));
      color: #0B0B1A;
      box-shadow: 0 4px 20px rgba(245,158,11,0.35);
    }
    .btn-accent:hover {
      transform: translateY(-3px);
      box-shadow: 0 10px 35px rgba(245,158,11,0.5);
    }

    /* ===== 热门话题标签云 ===== */
    .topics-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      justify-content: center;
      margin-top: 24px;
    }
    .topics-cloud .tag {
      font-size: 0.9rem;
      padding: 6px 20px;
    }

    /* ===== 卡片网格 ===== */
    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .grid-2 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .card {
      background: var(--bg-card);
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      overflow: hidden;
      transition: var(--transition);
    }
    .card:hover {
      border-color: var(--border-hover);
      box-shadow: 0 12px 40px rgba(0,0,0,0.4);
      transform: translateY(-6px);
    }
    .card-img {
      width: 100%;
      aspect-ratio: 16 / 9;
      object-fit: cover;
      display: block;
      transition: var(--transition);
    }
    .card:hover .card-img {
      transform: scale(1.03);
    }
    .card-body {
      padding: 20px 24px 24px;
    }
    .card-tags {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
      margin-bottom: 10px;
    }
    .card-body h3 {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 8px;
      line-height: 1.4;
    }
    .card-body h3 a:hover {
      color: var(--primary-light);
    }
    .card-body p {
      color: var(--text-secondary);
      font-size: 0.95rem;
      line-height: 1.6;
      margin-bottom: 12px;
    }
    .card-meta {
      display: flex;
      align-items: center;
      gap: 16px;
      font-size: 0.8rem;
      color: var(--text-muted);
    }
    .card-meta i {
      margin-right: 4px;
    }
    .card-featured {
      grid-column: span 2;
      display: flex;
      flex-direction: row;
    }
    .card-featured .card-img {
      width: 50%;
      aspect-ratio: auto;
      min-height: 280px;
    }
    .card-featured .card-body {
      width: 50%;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }
    .card-featured .card-body h3 {
      font-size: 1.6rem;
    }

    /* ===== 数据看板 ===== */
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .stat-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);
    }
    .stat-card:hover {
      border-color: var(--primary);
      box-shadow: 0 8px 30px rgba(124,58,237,0.2);
      transform: translateY(-4px);
    }
    .stat-number {
      font-size: 2.6rem;
      font-weight: 900;
      color: var(--accent);
      line-height: 1.2;
      margin-bottom: 6px;
    }
    .stat-label {
      color: var(--text-secondary);
      font-size: 0.95rem;
    }

    /* ===== 深度访谈/专题 ===== */
    .feature-block {
      display: flex;
      gap: 40px;
      align-items: center;
      background: var(--bg-card);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      padding: 40px;
      transition: var(--transition);
    }
    .feature-block:hover {
      border-color: var(--border-hover);
      box-shadow: 0 12px 40px rgba(0,0,0,0.3);
    }
    .feature-block .feature-img {
      width: 40%;
      border-radius: var(--radius-md);
      aspect-ratio: 4 / 3;
      object-fit: cover;
      flex-shrink: 0;
    }
    .feature-block .feature-content {
      flex: 1;
    }
    .feature-block .feature-content .tag {
      margin-bottom: 12px;
    }
    .feature-block .feature-content h3 {
      font-size: 1.8rem;
      margin-bottom: 12px;
    }
    .feature-block .feature-content p {
      color: var(--text-secondary);
      font-size: 1rem;
      line-height: 1.7;
      margin-bottom: 16px;
    }
    .feature-author {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-top: 16px;
    }
    .feature-author img {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      object-fit: cover;
      border: 2px solid var(--primary);
    }
    .feature-author .author-name {
      font-weight: 600;
      font-size: 0.95rem;
    }
    .feature-author .author-title {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* ===== FAQ ===== */
    .faq-list {
      max-width: 800px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .faq-item {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: var(--transition);
    }
    .faq-item:hover {
      border-color: var(--border-hover);
    }
    .faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 24px;
      font-size: 1.05rem;
      font-weight: 600;
      cursor: pointer;
      transition: var(--transition);
      color: var(--text-primary);
      background: transparent;
      width: 100%;
      text-align: left;
    }
    .faq-question i {
      transition: var(--transition);
      color: var(--primary-light);
      font-size: 1.1rem;
    }
    .faq-question.open i {
      transform: rotate(180deg);
    }
    .faq-answer {
      padding: 0 24px 20px;
      color: var(--text-secondary);
      line-height: 1.7;
      font-size: 0.95rem;
      display: none;
    }
    .faq-answer.open {
      display: block;
    }

    /* ===== CTA 订阅 ===== */
    .cta-section {
      background: linear-gradient(135deg, rgba(124,58,237,0.15), rgba(21,21,50,0.9)), url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
      border-radius: var(--radius-lg);
      padding: 60px 48px;
      text-align: center;
      border: 1px solid var(--border-color);
    }
    .cta-section h2 {
      font-size: 2rem;
      margin-bottom: 12px;
    }
    .cta-section p {
      color: var(--text-secondary);
      max-width: 520px;
      margin: 0 auto 28px;
      font-size: 1.05rem;
    }
    .subscribe-form {
      display: flex;
      max-width: 480px;
      margin: 0 auto;
      gap: 12px;
    }
    .subscribe-form input {
      flex: 1;
      padding: 14px 20px;
      border-radius: 12px;
      background: rgba(255,255,255,0.08);
      border: 1px solid var(--border-color);
      color: var(--text-primary);
      font-size: 1rem;
      transition: var(--transition);
    }
    .subscribe-form input:focus {
      border-color: var(--primary);
      background: rgba(255,255,255,0.12);
      box-shadow: 0 0 0 3px rgba(124,58,237,0.2);
    }
    .subscribe-form input::placeholder {
      color: var(--text-muted);
    }
    .subscribe-form button {
      padding: 14px 32px;
      border-radius: 12px;
      font-weight: 600;
      background: linear-gradient(135deg, var(--accent), var(--accent-dark));
      color: #0B0B1A;
      border: none;
      transition: var(--transition);
      white-space: nowrap;
    }
    .subscribe-form button:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 25px rgba(245,158,11,0.4);
    }

    /* ===== Footer ===== */
    .footer {
      background: var(--bg-card);
      border-top: 1px solid var(--border-color);
      padding: 48px 0 32px;
      margin-top: 80px;
    }
    .footer-inner {
      display: flex;
      flex-wrap: wrap;
      gap: 32px;
      justify-content: space-between;
      align-items: center;
    }
    .footer-brand .logo {
      font-size: 1.2rem;
    }
    .footer-links {
      display: flex;
      gap: 20px;
      flex-wrap: wrap;
    }
    .footer-links a {
      color: var(--text-secondary);
      font-size: 0.95rem;
      font-weight: 500;
    }
    .footer-links a:hover {
      color: var(--primary-light);
    }
    .footer-social {
      display: flex;
      gap: 16px;
    }
    .footer-social a {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: rgba(255,255,255,0.06);
      color: var(--text-secondary);
      font-size: 1.2rem;
      transition: var(--transition);
      border: 1px solid var(--border-color);
    }
    .footer-social a:hover {
      background: var(--primary);
      color: #fff;
      border-color: var(--primary);
      transform: translateY(-3px);
    }
    .footer-copy {
      width: 100%;
      text-align: center;
      color: var(--text-muted);
      font-size: 0.85rem;
      padding-top: 24px;
      border-top: 1px solid var(--border-color);
      margin-top: 8px;
    }

    /* ===== 响应式 ===== */
    @media (max-width: 1024px) {
      .grid-3 { grid-template-columns: repeat(2, 1fr); }
      .stats-grid { grid-template-columns: repeat(2, 1fr); }
      .card-featured { grid-column: span 2; flex-direction: column; }
      .card-featured .card-img { width: 100%; min-height: 200px; }
      .card-featured .card-body { width: 100%; }
      .feature-block { flex-direction: column; padding: 28px; }
      .feature-block .feature-img { width: 100%; aspect-ratio: 16 / 9; }
      .hero h1 { font-size: 2.8rem; }
    }

    @media (max-width: 768px) {
      .nav-list { display: none; }
      .nav-toggle { display: block; }
      .nav-list.mobile-open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background: rgba(11,11,26,0.98);
        backdrop-filter: blur(20px);
        padding: 20px 24px;
        border-bottom: 1px solid var(--border-color);
        gap: 8px;
      }
      .nav-list.mobile-open a { width: 100%; padding: 12px 18px; }
      .nav-cta { margin-left: 0; text-align: center; }
      .hero { padding: 100px 0 60px; }
      .hero h1 { font-size: 2.2rem; }
      .hero p { font-size: 1rem; }
      .section-pad { padding: 56px 0; }
      .section-title { font-size: 1.8rem; }
      .grid-3 { grid-template-columns: 1fr; }
      .grid-2 { grid-template-columns: 1fr; }
      .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
      .stat-number { font-size: 2rem; }
      .cta-section { padding: 40px 24px; }
      .cta-section h2 { font-size: 1.6rem; }
      .subscribe-form { flex-direction: column; }
      .footer-inner { flex-direction: column; text-align: center; gap: 20px; }
      .footer-links { justify-content: center; }
      .footer-social { justify-content: center; }
    }

    @media (max-width: 520px) {
      .container { padding: 0 16px; }
      .hero h1 { font-size: 1.8rem; }
      .hero p { font-size: 0.95rem; }
      .btn { padding: 12px 24px; font-size: 0.9rem; }
      .section-title { font-size: 1.5rem; }
      .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
      .stat-card { padding: 20px 16px; }
      .card-body { padding: 16px 18px 20px; }
      .feature-block { padding: 20px; }
      .feature-block .feature-content h3 { font-size: 1.4rem; }
      .faq-question { padding: 16px 18px; font-size: 0.95rem; }
    }

    /* ===== 滚动条 ===== */
    ::-webkit-scrollbar { width: 8px; }
    ::-webkit-scrollbar-track { background: var(--bg-dark); }
    ::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 4px; }
    ::-webkit-scrollbar-thumb:hover { background: var(--border-hover); }

    /* ===== 选中 ===== */
    ::selection { background: var(--primary); color: #fff; }