/* roulang page: index */
:root {
  --primary: #0f1d3a;
  --primary-light: #1a2d54;
  --accent: #d4a843;
  --accent-light: #e8c16e;
  --accent-dark: #b8922e;
  --bg: #f4f6fb;
  --bg-card: #ffffff;
  --bg-dark: #0b1528;
  --text: #1a1a2e;
  --text-light: #5b6778;
  --text-white: #f0f2f5;
  --border: #e2e6ed;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --shadow-sm: 0 2px 8px rgba(15,29,58,0.06);
  --shadow-md: 0 6px 24px rgba(15,29,58,0.10);
  --shadow-lg: 0 14px 40px rgba(15,29,58,0.14);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  --max-w: 1200px;
  --nav-h: 72px;
  --space-section: 5rem;
}
*, *::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; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent-dark); }
button { cursor: pointer; font-family: inherit; }
ul, ol { list-style: none; }
.container { width: 100%; max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: 800px; margin: 0 auto; padding: 0 24px; }
.section { padding: var(--space-section) 0; }
.section-title { font-size: 2rem; font-weight: 700; color: var(--primary); margin-bottom: 0.5rem; letter-spacing: -0.02em; }
.section-sub { font-size: 1.05rem; color: var(--text-light); margin-bottom: 2.5rem; max-width: 640px; }
.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* Header / Nav */
.site-header { position: sticky; top: 16px; z-index: 100; padding: 0 24px; }
.nav-wrap { max-width: var(--max-w); margin: 0 auto; background: rgba(255,255,255,0.88); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); border-radius: var(--radius-xl); box-shadow: var(--shadow-md); padding: 0 28px; display: flex; align-items: center; justify-content: space-between; height: var(--nav-h); border: 1px solid rgba(255,255,255,0.5); }
.site-logo { font-size: 1.35rem; font-weight: 800; color: var(--primary); letter-spacing: -0.03em; white-space: nowrap; }
.site-logo span { color: var(--accent); }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a { padding: 8px 18px; border-radius: 40px; font-size: 0.92rem; font-weight: 500; color: var(--text); transition: all 0.2s; position: relative; }
.nav-links a:hover { background: rgba(15,29,58,0.06); color: var(--primary); }
.nav-links a.active { background: var(--primary); color: #fff; }
.nav-cta { background: var(--accent) !important; color: var(--primary) !important; font-weight: 600 !important; padding: 8px 22px !important; border-radius: 40px !important; }
.nav-cta:hover { background: var(--accent-light) !important; transform: translateY(-1px); box-shadow: var(--shadow-sm); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; padding: 6px; cursor: pointer; }
.nav-toggle span { display: block; width: 26px; height: 2.5px; background: var(--primary); border-radius: 4px; transition: 0.3s; }

/* Hero */
.hero { position: relative; min-height: 86vh; display: flex; align-items: center; justify-content: center; text-align: center; background: linear-gradient(135deg, var(--bg-dark) 0%, #162a4a 100%); overflow: hidden; margin-top: calc(-1 * var(--nav-h) - 16px); padding-top: calc(var(--nav-h) + 16px); }
.hero-bg { position: absolute; inset: 0; background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat; opacity: 0.20; mix-blend-mode: overlay; }
.hero-overlay { position: absolute; inset: 0; background: radial-gradient(ellipse at center, rgba(15,29,58,0.2) 0%, rgba(11,21,40,0.7) 100%); }
.hero-content { position: relative; z-index: 2; max-width: 820px; padding: 0 24px; }
.hero-badge { display: inline-block; background: rgba(212,168,67,0.18); color: var(--accent-light); font-size: 0.82rem; font-weight: 600; padding: 6px 18px; border-radius: 40px; border: 1px solid rgba(212,168,67,0.25); margin-bottom: 1.2rem; letter-spacing: 0.3px; }
.hero-title { font-size: clamp(2.4rem, 6vw, 4rem); font-weight: 800; color: #fff; line-height: 1.12; letter-spacing: -0.03em; margin-bottom: 1.2rem; }
.hero-title span { color: var(--accent); }
.hero-desc { font-size: clamp(1rem, 2vw, 1.2rem); color: rgba(255,255,255,0.75); max-width: 600px; margin: 0 auto 2rem; line-height: 1.7; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 34px; border-radius: 50px; font-size: 1rem; font-weight: 600; border: none; transition: all 0.25s; white-space: nowrap; }
.btn-primary { background: var(--accent); color: var(--primary); }
.btn-primary:hover { background: var(--accent-light); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(212,168,67,0.35); color: var(--primary); }
.btn-outline { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,0.35); }
.btn-outline:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.6); transform: translateY(-2px); color: #fff; }

/* Feature Cards */
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 28px; }
.feature-card { background: var(--bg-card); border-radius: var(--radius-md); padding: 32px 28px; box-shadow: var(--shadow-sm); border: 1px solid var(--border); transition: all 0.3s; }
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--accent); }
.feature-icon { width: 52px; height: 52px; background: rgba(212,168,67,0.12); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; font-size: 1.6rem; color: var(--accent); margin-bottom: 1.2rem; }
.feature-card h3 { font-size: 1.2rem; font-weight: 700; color: var(--primary); margin-bottom: 0.5rem; }
.feature-card p { font-size: 0.95rem; color: var(--text-light); line-height: 1.7; }

/* Category Grid */
.cate-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 24px; }
.cate-card { position: relative; border-radius: var(--radius-md); overflow: hidden; background: var(--bg-card); box-shadow: var(--shadow-sm); border: 1px solid var(--border); transition: all 0.3s; display: block; }
.cate-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.cate-card-img { width: 100%; height: 160px; object-fit: cover; }
.cate-card-body { padding: 16px 20px 20px; }
.cate-card-body h3 { font-size: 1.05rem; font-weight: 700; color: var(--primary); margin-bottom: 0.25rem; }
.cate-card-body p { font-size: 0.85rem; color: var(--text-light); }
.cate-tag { display: inline-block; font-size: 0.75rem; font-weight: 600; background: rgba(212,168,67,0.12); color: var(--accent-dark); padding: 2px 12px; border-radius: 20px; margin-bottom: 0.6rem; }

/* News / List */
.news-list { display: grid; grid-template-columns: 1fr; gap: 18px; }
.news-item { display: flex; gap: 20px; background: var(--bg-card); border-radius: var(--radius-md); padding: 20px 24px; box-shadow: var(--shadow-sm); border: 1px solid var(--border); transition: all 0.25s; align-items: flex-start; }
.news-item:hover { box-shadow: var(--shadow-md); border-color: var(--accent); }
.news-item-img { width: 120px; min-height: 80px; border-radius: var(--radius-sm); object-fit: cover; flex-shrink: 0; }
.news-item-body { flex: 1; min-width: 0; }
.news-item-body h3 { font-size: 1.05rem; font-weight: 700; color: var(--primary); margin-bottom: 0.3rem; line-height: 1.4; }
.news-item-body p { font-size: 0.9rem; color: var(--text-light); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-meta { display: flex; gap: 16px; font-size: 0.8rem; color: var(--text-light); margin-top: 0.5rem; }
.news-meta span { display: inline-flex; align-items: center; gap: 4px; }
.news-empty { text-align: center; padding: 3rem 1rem; color: var(--text-light); background: var(--bg-card); border-radius: var(--radius-md); border: 1px dashed var(--border); }

/* Stats */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 24px; text-align: center; }
.stat-card { background: var(--bg-card); border-radius: var(--radius-md); padding: 28px 16px; box-shadow: var(--shadow-sm); border: 1px solid var(--border); }
.stat-num { font-size: 2.6rem; font-weight: 800; color: var(--accent); line-height: 1.2; }
.stat-label { font-size: 0.92rem; color: var(--text-light); margin-top: 0.3rem; }

/* FAQ */
.faq-list { max-width: 740px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: var(--bg-card); border-radius: var(--radius-md); border: 1px solid var(--border); overflow: hidden; transition: all 0.2s; }
.faq-question { width: 100%; display: flex; justify-content: space-between; align-items: center; padding: 18px 24px; background: none; border: none; font-size: 1rem; font-weight: 600; color: var(--primary); text-align: left; cursor: pointer; transition: 0.2s; }
.faq-question:hover { background: rgba(15,29,58,0.03); }
.faq-question .icon { font-size: 1.2rem; transition: transform 0.3s; color: var(--accent); }
.faq-item.open .faq-question .icon { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; padding: 0 24px; }
.faq-item.open .faq-answer { max-height: 200px; padding: 0 24px 18px; }
.faq-answer p { font-size: 0.95rem; color: var(--text-light); line-height: 1.7; }

/* CTA */
.cta-section { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%); border-radius: var(--radius-lg); padding: 60px 48px; text-align: center; color: #fff; position: relative; overflow: hidden; }
.cta-section::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat; opacity: 0.08; mix-blend-mode: overlay; }
.cta-section h2 { font-size: 2rem; font-weight: 700; margin-bottom: 0.8rem; position: relative; }
.cta-section p { font-size: 1.05rem; opacity: 0.8; margin-bottom: 2rem; max-width: 520px; margin-left: auto; margin-right: auto; position: relative; }
.cta-section .btn-primary { background: var(--accent); color: var(--primary); font-size: 1.05rem; padding: 16px 40px; }
.cta-section .btn-primary:hover { background: var(--accent-light); }

/* Footer */
.site-footer { background: var(--bg-dark); color: rgba(255,255,255,0.7); padding: 48px 0 28px; }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 32px; margin-bottom: 32px; }
.footer-brand { max-width: 300px; }
.footer-brand .site-logo { color: #fff; font-size: 1.2rem; }
.footer-brand p { font-size: 0.88rem; line-height: 1.7; margin-top: 0.8rem; opacity: 0.65; }
.footer-links { display: flex; flex-wrap: wrap; gap: 40px; }
.footer-links h4 { color: #fff; font-size: 0.92rem; font-weight: 600; margin-bottom: 0.8rem; }
.footer-links a { display: block; font-size: 0.88rem; color: rgba(255,255,255,0.6); padding: 3px 0; transition: 0.2s; }
.footer-links a:hover { color: var(--accent); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 20px; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px; font-size: 0.82rem; color: rgba(255,255,255,0.4); }

/* Responsive */
@media (max-width: 1024px) {
  .hero-title { font-size: 2.8rem; }
  .section { --space-section: 4rem; }
}
@media (max-width: 768px) {
  .nav-links { display: none; position: absolute; top: calc(var(--nav-h) + 8px); left: 16px; right: 16px; background: rgba(255,255,255,0.98); backdrop-filter: blur(18px); border-radius: var(--radius-md); flex-direction: column; padding: 16px; box-shadow: var(--shadow-lg); border: 1px solid var(--border); gap: 4px; }
  .nav-links.open { display: flex; }
  .nav-links a { width: 100%; padding: 12px 18px; }
  .nav-toggle { display: flex; }
  .hero { min-height: 70vh; }
  .hero-title { font-size: 2.2rem; }
  .news-item { flex-direction: column; }
  .news-item-img { width: 100%; height: 140px; }
  .cta-section { padding: 40px 24px; }
  .footer-inner { flex-direction: column; gap: 24px; }
  .footer-links { gap: 24px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .section-title { font-size: 1.6rem; }
}
@media (max-width: 520px) {
  .hero-title { font-size: 1.8rem; }
  .btn { width: 100%; justify-content: center; padding: 14px 24px; }
  .hero-actions { flex-direction: column; }
  .feature-grid { grid-template-columns: 1fr; }
  .cate-grid { grid-template-columns: 1fr 1fr; }
  .site-header { top: 8px; padding: 0 12px; }
  .nav-wrap { padding: 0 16px; }
}

/* roulang page: article */
/* ===== 设计变量 ===== */
:root {
  --primary: #e63946;
  --primary-dark: #c1121f;
  --primary-light: #ff6b6b;
  --secondary: #1d3557;
  --secondary-light: #457b9d;
  --accent: #f4a261;
  --bg-body: #f8f9fa;
  --bg-white: #ffffff;
  --bg-dark: #0d1b2a;
  --bg-card: #ffffff;
  --text-primary: #1a1a2e;
  --text-secondary: #4a4a6a;
  --text-muted: #8a8aa0;
  --text-white: #f8f9fa;
  --border: #e2e8f0;
  --border-light: #f0f0f5;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 8px 30px rgba(0,0,0,0.08);
  --shadow-lg: 0 20px 50px rgba(0,0,0,0.12);
  --shadow-hover: 0 16px 40px rgba(230,57,70,0.15);
  --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --font-sans: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --max-width: 1200px;
  --nav-height: 72px;
}

/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
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;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
ul, ol { list-style: none; }
button, input, textarea { font-family: inherit; font-size: 1rem; outline: none; border: none; }
button { cursor: pointer; background: none; }
h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text-primary); }
h1 { font-size: 2.2rem; letter-spacing: -0.02em; }
h2 { font-size: 1.75rem; letter-spacing: -0.01em; }
h3 { font-size: 1.35rem; }
h4 { font-size: 1.1rem; }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

/* ===== Header / 悬浮胶囊导航 ===== */
.site-header {
  position: sticky;
  top: 20px;
  z-index: 1000;
  padding: 0 24px;
  margin-top: 20px;
}
.nav-wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255,255,255,0.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-radius: var(--radius-xl);
  padding: 0 32px;
  height: var(--nav-height);
  box-shadow: 0 4px 30px rgba(0,0,0,0.08);
  border: 1px solid rgba(255,255,255,0.5);
}
.site-logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.03em;
  display: flex;
  align-items: center;
  gap: 2px;
}
.site-logo span { color: var(--primary); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-links a {
  padding: 8px 18px;
  border-radius: 50px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
  position: relative;
}
.nav-links a:hover {
  background: rgba(230,57,70,0.08);
  color: var(--primary);
}
.nav-links a.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 15px rgba(230,57,70,0.3);
}
.nav-links a.nav-cta {
  background: var(--secondary);
  color: #fff;
  padding: 8px 24px;
  border-radius: 50px;
  font-weight: 600;
  box-shadow: 0 4px 15px rgba(29,53,87,0.25);
}
.nav-links a.nav-cta:hover {
  background: var(--secondary-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(29,53,87,0.35);
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 26px;
  height: 3px;
  background: var(--text-primary);
  border-radius: 4px;
  transition: var(--transition);
}

/* ===== 文章 Banner ===== */
.article-banner {
  position: relative;
  padding: 80px 0 60px;
  margin-top: -20px;
  background: linear-gradient(135deg, var(--bg-dark) 0%, #1a2a4a 100%);
  overflow: hidden;
}
.article-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity: 0.15;
  mix-blend-mode: overlay;
}
.article-banner .container {
  position: relative;
  z-index: 2;
}
.article-breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 24px;
}
.article-breadcrumb a {
  color: rgba(255,255,255,0.7);
}
.article-breadcrumb a:hover { color: #fff; }
.article-breadcrumb .sep { color: rgba(255,255,255,0.35); }
.article-category-tag {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  padding: 4px 16px;
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 16px;
}
.article-banner h1 {
  color: #fff;
  font-size: 2.4rem;
  max-width: 900px;
  margin-bottom: 20px;
  line-height: 1.3;
}
.article-meta-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: center;
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
}
.article-meta-bar i { margin-right: 6px; color: var(--primary-light); }
.article-meta-bar .views { color: var(--accent); }

/* ===== 文章主体 ===== */
.article-main {
  padding: 50px 0 80px;
}
.article-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 50px;
}
.article-body {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  padding: 40px 45px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
}
.article-body .content {
  font-size: 1.05rem;
  line-height: 1.9;
  color: var(--text-secondary);
}
.article-body .content p {
  margin-bottom: 1.4em;
}
.article-body .content h2 {
  font-size: 1.55rem;
  margin: 1.6em 0 0.6em;
  color: var(--text-primary);
}
.article-body .content h3 {
  font-size: 1.2rem;
  margin: 1.4em 0 0.5em;
  color: var(--text-primary);
}
.article-body .content ul,
.article-body .content ol {
  margin: 1em 0;
  padding-left: 1.6em;
}
.article-body .content li {
  margin-bottom: 0.5em;
  list-style: disc;
}
.article-body .content blockquote {
  border-left: 4px solid var(--primary);
  background: rgba(230,57,70,0.05);
  padding: 16px 24px;
  margin: 1.5em 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-secondary);
  font-style: italic;
}
.article-body .content img {
  border-radius: var(--radius-md);
  margin: 1.5em auto;
  box-shadow: var(--shadow-sm);
}
.article-body .content a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.article-body .content a:hover { color: var(--primary-dark); }
.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}
.article-tags .tag {
  background: var(--bg-body);
  color: var(--text-secondary);
  padding: 4px 16px;
  border-radius: 50px;
  font-size: 0.82rem;
  transition: var(--transition);
  border: 1px solid var(--border);
}
.article-tags .tag:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.article-share {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}
.article-share span {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
}
.article-share a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-body);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  transition: var(--transition);
  font-size: 1rem;
}
.article-share a:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  transform: translateY(-3px);
}

/* ===== 侧边栏 ===== */
.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.sidebar-card {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
}
.sidebar-card h3 {
  font-size: 1.1rem;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--primary);
  display: flex;
  align-items: center;
  gap: 10px;
}
.sidebar-card h3 i { color: var(--primary); }
.sidebar-list li {
  padding: 12px 0;
  border-bottom: 1px solid var(--border-light);
}
.sidebar-list li:last-child { border-bottom: none; }
.sidebar-list a {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  color: var(--text-secondary);
  transition: var(--transition);
}
.sidebar-list a:hover { color: var(--primary); }
.sidebar-list .thumb {
  width: 70px;
  height: 52px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
  background: var(--bg-body);
}
.sidebar-list .info { flex: 1; }
.sidebar-list .info h4 {
  font-size: 0.92rem;
  font-weight: 600;
  margin-bottom: 4px;
  line-height: 1.4;
  color: var(--text-primary);
}
.sidebar-list .info .date {
  font-size: 0.78rem;
  color: var(--text-muted);
}
.sidebar-cta {
  background: linear-gradient(135deg, var(--secondary), #0d1b2a);
  color: #fff;
  text-align: center;
  padding: 32px 24px;
}
.sidebar-cta h3 { color: #fff; border-bottom-color: var(--primary); }
.sidebar-cta p { color: rgba(255,255,255,0.75); font-size: 0.92rem; margin-bottom: 20px; }
.sidebar-cta .btn-cta {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  padding: 12px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
}
.sidebar-cta .btn-cta:hover {
  background: var(--primary-light);
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(230,57,70,0.4);
}

/* ===== 推荐文章区 ===== */
.related-section {
  padding: 60px 0 80px;
  background: var(--bg-body);
}
.related-section .section-title {
  text-align: center;
  margin-bottom: 40px;
}
.related-section .section-title h2 {
  font-size: 1.8rem;
  position: relative;
  display: inline-block;
}
.related-section .section-title h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: var(--primary);
  border-radius: 4px;
  margin: 12px auto 0;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.related-card {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--border-light);
}
.related-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.related-card .card-img {
  height: 180px;
  background: var(--bg-dark);
  overflow: hidden;
}
.related-card .card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.related-card:hover .card-img img { transform: scale(1.05); }
.related-card .card-body {
  padding: 20px 22px 24px;
}
.related-card .card-cat {
  display: inline-block;
  background: rgba(230,57,70,0.1);
  color: var(--primary);
  padding: 2px 12px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 10px;
}
.related-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.4;
}
.related-card h3 a { color: var(--text-primary); }
.related-card h3 a:hover { color: var(--primary); }
.related-card .card-excerpt {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-card .card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 14px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ===== 内容未找到 ===== */
.not-found-wrap {
  text-align: center;
  padding: 80px 20px;
}
.not-found-wrap i {
  font-size: 4rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  display: block;
}
.not-found-wrap h2 {
  font-size: 1.8rem;
  margin-bottom: 16px;
}
.not-found-wrap p {
  color: var(--text-secondary);
  margin-bottom: 28px;
  font-size: 1.05rem;
}
.not-found-wrap .btn-back {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  padding: 14px 36px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition);
}
.not-found-wrap .btn-back:hover {
  background: var(--primary-dark);
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(230,57,70,0.35);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,0.7);
  padding: 60px 0 30px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.8fr 1fr;
  gap: 60px;
  margin-bottom: 40px;
}
.footer-brand .site-logo {
  color: #fff;
  font-size: 1.6rem;
  margin-bottom: 16px;
}
.footer-brand p {
  font-size: 0.92rem;
  line-height: 1.7;
  max-width: 420px;
  color: rgba(255,255,255,0.55);
}
.footer-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.footer-links h4 {
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 16px;
}
.footer-links a {
  display: block;
  color: rgba(255,255,255,0.55);
  font-size: 0.9rem;
  padding: 4px 0;
  transition: var(--transition);
}
.footer-links a:hover { color: var(--primary-light); padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.35);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .site-header { top: 12px; margin-top: 12px; padding: 0 12px; }
  .nav-wrap { padding: 0 18px; height: 64px; border-radius: var(--radius-lg); }
  .site-logo { font-size: 1.3rem; }
  .nav-links { display: none; flex-direction: column; position: absolute; top: 72px; left: 12px; right: 12px; background: rgba(255,255,255,0.96); backdrop-filter: blur(18px); border-radius: var(--radius-md); padding: 16px; box-shadow: var(--shadow-lg); border: 1px solid var(--border); gap: 4px; }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 10px 16px; border-radius: var(--radius-sm); }
  .nav-links a.nav-cta { text-align: center; }
  .nav-toggle { display: flex; }
  .article-banner { padding: 60px 0 40px; }
  .article-banner h1 { font-size: 1.6rem; }
  .article-body { padding: 24px 20px; }
  .article-meta-bar { gap: 14px; font-size: 0.82rem; }
  .article-sidebar { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-links { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 520px) {
  .article-banner h1 { font-size: 1.35rem; }
  .article-body { padding: 18px 14px; font-size: 0.95rem; }
  .article-body .content { font-size: 0.95rem; }
  .nav-wrap { padding: 0 14px; }
  .site-logo { font-size: 1.15rem; }
  .footer-links { grid-template-columns: 1fr; }
  .related-card .card-img { height: 140px; }
}

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #fae1e3;
            --secondary: #1d3557;
            --secondary-light: #457b9d;
            --accent: #f4a261;
            --bg-body: #f8f9fa;
            --bg-white: #ffffff;
            --bg-dark: #0d1b2a;
            --bg-card: #ffffff;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a6a;
            --text-light: #7a7a9a;
            --text-white: #f1f1f1;
            --border-color: #e8e8f0;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.14);
            --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.18);
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-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;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        input,
        textarea {
            font-family: inherit;
            font-size: 1rem;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--text-primary);
        }

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

        /* ===== Header / Navigation (悬浮胶囊风格) ===== */
        .site-header {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            width: calc(100% - 40px);
            max-width: 1160px;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-radius: 60px;
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.5);
            z-index: 1000;
            padding: 0 8px;
            transition: var(--transition);
        }
        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.98);
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.12);
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 56px;
            padding: 0 12px;
        }
        .site-logo {
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: var(--secondary);
            display: flex;
            align-items: center;
            gap: 2px;
        }
        .site-logo span {
            color: var(--primary);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-links a {
            padding: 8px 18px;
            border-radius: 40px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .nav-links a.active {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 4px 14px rgba(230, 57, 70, 0.35);
        }
        .nav-links a.nav-cta {
            background: var(--secondary);
            color: #fff;
            padding: 8px 24px;
            border-radius: 40px;
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(29, 53, 87, 0.25);
        }
        .nav-links a.nav-cta:hover {
            background: #0f2a44;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(29, 53, 87, 0.35);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 8px;
            background: transparent;
        }
        .nav-toggle span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--secondary);
            border-radius: 4px;
            transition: var(--transition);
        }
        @media (max-width: 768px) {
            .site-header {
                top: 12px;
                width: calc(100% - 24px);
                border-radius: 40px;
                padding: 0 4px;
            }
            .nav-wrap {
                height: 52px;
                padding: 0 8px;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-links {
                position: absolute;
                top: 60px;
                left: 12px;
                right: 12px;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(16px);
                border-radius: 24px;
                flex-direction: column;
                padding: 16px 12px;
                gap: 8px;
                box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
                border: 1px solid var(--border-color);
                opacity: 0;
                visibility: hidden;
                transform: translateY(-10px);
                transition: var(--transition);
                pointer-events: none;
            }
            .nav-links.open {
                opacity: 1;
                visibility: visible;
                transform: translateY(0);
                pointer-events: auto;
            }
            .nav-links a {
                width: 100%;
                text-align: center;
                padding: 12px 18px;
                font-size: 1rem;
            }
            .nav-links a.nav-cta {
                width: 100%;
                text-align: center;
            }
            .site-logo {
                font-size: 1.25rem;
            }
        }
        @media (max-width: 480px) {
            .site-header {
                top: 8px;
                width: calc(100% - 16px);
                border-radius: 32px;
            }
            .nav-links {
                left: 8px;
                right: 8px;
                border-radius: 20px;
                padding: 12px 8px;
            }
            .nav-links a {
                font-size: 0.9rem;
                padding: 10px 14px;
            }
        }

        /* ===== Page Hero / Banner ===== */
        .page-hero {
            padding: 140px 0 80px;
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
            min-height: 360px;
            display: flex;
            align-items: center;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.25;
            z-index: 0;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 27, 42, 0.85) 0%, rgba(230, 57, 70, 0.35) 100%);
            z-index: 1;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .page-hero h1 {
            font-size: 3.2rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -1px;
            margin-bottom: 16px;
            text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .page-hero p {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 680px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .page-hero .hero-tags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
        }
        .page-hero .hero-tags span {
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(4px);
            padding: 8px 20px;
            border-radius: 40px;
            font-size: 0.85rem;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.2);
            font-weight: 500;
        }
        @media (max-width: 768px) {
            .page-hero {
                padding: 120px 0 60px;
                min-height: 300px;
            }
            .page-hero h1 {
                font-size: 2.2rem;
            }
            .page-hero p {
                font-size: 1rem;
                padding: 0 8px;
            }
        }
        @media (max-width: 480px) {
            .page-hero h1 {
                font-size: 1.8rem;
            }
            .page-hero p {
                font-size: 0.95rem;
            }
            .page-hero .hero-tags span {
                font-size: 0.75rem;
                padding: 6px 14px;
            }
        }

        /* ===== Section通用 ===== */
        .section {
            padding: 72px 0;
        }
        .section-alt {
            background: var(--bg-white);
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-white);
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            text-align: center;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        .section-subtitle {
            text-align: center;
            font-size: 1.05rem;
            color: var(--text-light);
            max-width: 600px;
            margin: 0 auto 48px;
            line-height: 1.7;
        }
        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.6);
        }
        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 32px;
                padding: 0 8px;
            }
        }
        @media (max-width: 480px) {
            .section-title {
                font-size: 1.4rem;
            }
        }

        /* ===== Card Grid ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .card-grid.col-2 {
            grid-template-columns: repeat(2, 1fr);
        }
        .card-grid.col-4 {
            grid-template-columns: repeat(4, 1fr);
        }
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .card-grid.col-4 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .card-grid,
            .card-grid.col-2,
            .card-grid.col-4 {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        /* ===== Event Card ===== */
        .event-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .event-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .event-card .card-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            display: block;
            background: #eef0f5;
        }
        .event-card .card-body {
            padding: 22px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .event-card .card-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary-dark);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 30px;
            margin-bottom: 10px;
            width: fit-content;
        }
        .event-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .event-card h3 a {
            color: var(--text-primary);
        }
        .event-card h3 a:hover {
            color: var(--primary);
        }
        .event-card .card-excerpt {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 14px;
        }
        .event-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8rem;
            color: var(--text-light);
            border-top: 1px solid var(--border-color);
            padding-top: 14px;
            margin-top: auto;
        }
        .event-card .card-meta .date {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .event-card .card-meta .date i {
            font-size: 0.75rem;
        }
        .event-card .card-meta .views {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        @media (max-width: 768px) {
            .event-card .card-body {
                padding: 16px 14px 14px;
            }
            .event-card h3 {
                font-size: 1.05rem;
            }
        }

        /* ===== Featured Article (图文) ===== */
        .featured-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
        }
        .featured-block .featured-img {
            width: 100%;
            height: 100%;
            min-height: 320px;
            object-fit: cover;
            display: block;
            background: #eef0f5;
        }
        .featured-block .featured-content {
            padding: 40px 40px 40px 0;
        }
        .featured-block .featured-content .tag {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 16px;
            border-radius: 30px;
            margin-bottom: 14px;
        }
        .featured-block .featured-content h2 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .featured-block .featured-content p {
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .featured-block .featured-content .btn {
            display: inline-block;
            padding: 12px 32px;
            background: var(--primary);
            color: #fff;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.9rem;
            box-shadow: 0 4px 14px rgba(230, 57, 70, 0.3);
        }
        .featured-block .featured-content .btn:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(230, 57, 70, 0.4);
        }
        @media (max-width: 900px) {
            .featured-block {
                grid-template-columns: 1fr;
                gap: 0;
            }
            .featured-block .featured-img {
                min-height: 220px;
                max-height: 300px;
            }
            .featured-block .featured-content {
                padding: 28px 24px 32px;
            }
            .featured-block .featured-content h2 {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 480px) {
            .featured-block .featured-content {
                padding: 20px 16px 24px;
            }
            .featured-block .featured-content h2 {
                font-size: 1.2rem;
            }
            .featured-block .featured-content .btn {
                padding: 10px 24px;
                font-size: 0.85rem;
            }
        }

        /* ===== Stats / Data Block ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            text-align: center;
        }
        .stats-grid .stat-item {
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-md);
            padding: 32px 16px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition);
        }
        .stats-grid .stat-item:hover {
            background: rgba(255, 255, 255, 0.10);
            transform: translateY(-4px);
        }
        .stats-grid .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stats-grid .stat-label {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.7);
            font-weight: 500;
        }
        @media (max-width: 900px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }
        @media (max-width: 480px) {
            .stats-grid .stat-number {
                font-size: 2rem;
            }
            .stats-grid .stat-item {
                padding: 20px 12px;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            padding: 20px 24px;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            background: transparent;
            width: 100%;
            text-align: left;
            border: none;
            transition: var(--transition);
        }
        .faq-question::after {
            content: '+';
            font-size: 1.5rem;
            font-weight: 300;
            color: var(--primary);
            flex-shrink: 0;
            transition: var(--transition);
        }
        .faq-item.active .faq-question::after {
            content: '−';
            transform: rotate(0deg);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-answer {
            padding: 0 24px 20px;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }
        .faq-item.active .faq-answer {
            display: block;
        }
        @media (max-width: 768px) {
            .faq-question {
                padding: 16px 18px;
                font-size: 0.95rem;
            }
            .faq-answer {
                padding: 0 18px 16px;
                font-size: 0.9rem;
            }
        }

        /* ===== CTA ===== */
        .cta-block {
            background: linear-gradient(135deg, var(--secondary) 0%, #0f2a44 100%);
            border-radius: var(--radius-lg);
            padding: 64px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }
        .cta-block .container {
            position: relative;
            z-index: 1;
        }
        .cta-block h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }
        .cta-block p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .cta-block .btn-group {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
        }
        .cta-block .btn-primary {
            padding: 14px 40px;
            background: var(--primary);
            color: #fff;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            box-shadow: 0 6px 24px rgba(230, 57, 70, 0.4);
            transition: var(--transition);
            display: inline-block;
        }
        .cta-block .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(230, 57, 70, 0.5);
        }
        .cta-block .btn-outline {
            padding: 14px 40px;
            background: transparent;
            color: #fff;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid rgba(255, 255, 255, 0.4);
            transition: var(--transition);
            display: inline-block;
        }
        .cta-block .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.10);
            transform: translateY(-3px);
        }
        @media (max-width: 768px) {
            .cta-block {
                padding: 40px 24px;
            }
            .cta-block h2 {
                font-size: 1.6rem;
            }
            .cta-block p {
                font-size: 0.95rem;
            }
            .cta-block .btn-primary,
            .cta-block .btn-outline {
                padding: 12px 28px;
                font-size: 0.9rem;
            }
        }
        @media (max-width: 480px) {
            .cta-block {
                padding: 32px 16px;
                border-radius: var(--radius-md);
            }
            .cta-block h2 {
                font-size: 1.3rem;
            }
        }

        /* ===== Tags Cloud ===== */
        .tags-cloud {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            margin-top: 16px;
        }
        .tags-cloud a {
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 500;
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .tags-cloud a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 4px 14px rgba(230, 57, 70, 0.25);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 32px;
        }
        .site-footer .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 1.5fr 2fr;
            gap: 48px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand .site-logo {
            font-size: 1.6rem;
            margin-bottom: 12px;
            color: #fff;
        }
        .footer-brand .site-logo span {
            color: var(--primary);
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 360px;
        }
        .footer-links {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .footer-links h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-links a {
            display: block;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            padding: 4px 0;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding-top: 24px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.4);
            gap: 12px;
        }
        @media (max-width: 768px) {
            .site-footer {
                padding: 40px 0 24px;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-brand p {
                max-width: 100%;
            }
            .footer-links {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 480px) {
            .footer-links {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                font-size: 0.75rem;
            }
        }

        /* ===== 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;
        }
        .flex-center {
            display: flex;
            justify-content: center;
            align-items: center;
        }

        /* ===== 筛选条 ===== */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-bottom: 36px;
        }
        .filter-bar .filter-btn {
            padding: 8px 22px;
            border-radius: 40px;
            font-size: 0.85rem;
            font-weight: 500;
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            transition: var(--transition);
            cursor: pointer;
        }
        .filter-bar .filter-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
        .filter-bar .filter-btn.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 14px rgba(230, 57, 70, 0.25);
        }

        /* ===== Animation ===== */
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-fade-up {
            animation: fadeUp 0.6s ease forwards;
        }
        .delay-1 {
            animation-delay: 0.1s;
        }
        .delay-2 {
            animation-delay: 0.2s;
        }
        .delay-3 {
            animation-delay: 0.3s;
        }
        .delay-4 {
            animation-delay: 0.4s;
        }