/* roulang page: index */
:root {
  --primary: #1d4fae;
  --primary-dark: #123678;
  --primary-light: #5d8ee8;
  --accent: #f5a623;
  --accent-soft: #fff4df;
  --bg: #f4f6fb;
  --bg-white: #ffffff;
  --bg-dark: #0e1e38;
  --bg-deep: #091527;
  --text: #1b2b4a;
  --text-muted: #5d6b85;
  --border: #e3e9f2;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 10px rgba(15, 31, 58, 0.06);
  --shadow-md: 0 10px 35px rgba(15, 31, 58, 0.10);
  --shadow-lg: 0 28px 70px rgba(15, 31, 58, 0.16);
  --transition: 0.28s ease;
  --space: 100px;
  --header-h: 76px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  padding-top: var(--header-h);
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
.container { max-width: 1240px; margin: 0 auto; padding: 0 24px; }

/* ===== Header / Nav ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-h);
  z-index: 999;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}
.site-header.scrolled { box-shadow: 0 4px 24px rgba(15, 31, 58, 0.08); }
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 22px;
  color: var(--text);
  letter-spacing: 0.5px;
}
.logo-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  font-size: 15px;
  font-weight: 800;
  box-shadow: 0 4px 12px rgba(29, 79, 174, 0.28);
}
.main-nav ul {
  display: flex;
  align-items: center;
  gap: 6px;
}
.main-nav a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15px;
  color: var(--text-muted);
  transition: all var(--transition);
}
.main-nav a i { font-size: 14px; opacity: 0.7; }
.main-nav a:hover { color: var(--primary); background: rgba(29, 79, 174, 0.06); }
.main-nav a.active { color: var(--primary); background: rgba(29, 79, 174, 0.10); }
.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--border);
  background: var(--bg-white);
  border-radius: 10px;
  color: var(--text);
  cursor: pointer;
  font-size: 18px;
  transition: var(--transition);
}
.nav-toggle:hover { border-color: var(--primary); color: var(--primary); }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 30px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 15px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
}
.btn i { font-size: 14px; }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 6px 20px rgba(29, 79, 174, 0.25); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 10px 30px rgba(29, 79, 174, 0.32); }
.btn-ghost { background: rgba(255, 255, 255, 0.12); color: #fff; border-color: rgba(255, 255, 255, 0.5); backdrop-filter: blur(6px); }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.22); transform: translateY(-2px); }
.btn-gold { background: var(--accent); color: #1b2b4a; box-shadow: 0 6px 20px rgba(245, 166, 35, 0.25); }
.btn-gold:hover { background: #dd8f12; transform: translateY(-2px); color: #fff; }
.btn-outline { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-large { padding: 17px 38px; font-size: 16px; border-radius: 14px; }
.btn:active { transform: translateY(0); }

/* ===== Badges ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 700;
  border-radius: 40px;
  letter-spacing: 0.3px;
}
.badge-blue { background: rgba(29, 79, 174, 0.10); color: var(--primary); }
.badge-gold { background: var(--accent-soft); color: #b47d10; }
.badge-green { background: #e7f7ef; color: #1a7a4a; }
.badge-gray { background: #eef1f6; color: var(--text-muted); }

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 620px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--bg-dark);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(9, 21, 39, 0.96) 0%, rgba(14, 30, 56, 0.88) 50%, rgba(29, 79, 174, 0.55) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  padding: 80px 0;
  color: #fff;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: 40px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  font-size: 14px;
  font-weight: 600;
  backdrop-filter: blur(8px);
  margin-bottom: 24px;
}
.hero-tag i { color: var(--accent); }
.hero h1 {
  font-size: 56px;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: 1px;
  background: linear-gradient(90deg, #ffffff 30%, #b8d0f5 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 18px;
}
.hero-subtitle {
  font-size: 18px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.85);
  max-width: 560px;
  margin-bottom: 36px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 44px; }
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}
.hero-meta span { display: inline-flex; align-items: center; gap: 8px; color: rgba(255, 255, 255, 0.75); font-size: 14px; font-weight: 500; }
.hero-meta i { color: var(--accent); }

/* ===== Section Common ===== */
.section {
  padding: var(--space) 0;
}
.section-white { background: var(--bg-white); }
.section-gray { background: var(--bg); }
.section-dark { background: var(--bg-deep); color: #fff; }
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}
.section-tag {
  display: inline-block;
  padding: 6px 18px;
  border-radius: 40px;
  background: rgba(29, 79, 174, 0.08);
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 16px;
}
.section-header h2 {
  font-size: 36px;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 14px;
  color: var(--text);
}
.section-header p { font-size: 16px; color: var(--text-muted); line-height: 1.8; }
.section-dark .section-tag { background: rgba(255, 255, 255, 0.12); color: var(--accent); }
.section-dark .section-header h2 { color: #fff; }
.section-dark .section-header p { color: rgba(255, 255, 255, 0.7); }

/* ===== Feature Cards ===== */
.feature-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 36px 30px;
  height: 100%;
  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(--primary), var(--accent));
  opacity: 0;
  transition: var(--transition);
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }
.feature-card:hover::before { opacity: 1; }
.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(29, 79, 174, 0.12), rgba(245, 166, 35, 0.10));
  color: var(--primary);
  font-size: 24px;
  margin-bottom: 22px;
}
.feature-card h3 { font-size: 19px; font-weight: 700; margin-bottom: 10px; color: var(--text); }
.feature-card p { color: var(--text-muted); font-size: 15px; line-height: 1.75; }

/* ===== Category Cards ===== */
.category-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 100%;
  display: flex;
  align-items: flex-end;
  min-height: 280px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.category-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.category-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.category-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(9, 21, 39, 0.10) 0%, rgba(9, 21, 39, 0.55) 60%, rgba(9, 21, 39, 0.88) 100%);
  transition: var(--transition);
}
.category-card:hover::after { background: linear-gradient(180deg, rgba(9, 21, 39, 0.05) 0%, rgba(9, 21, 39, 0.45) 55%, rgba(9, 21, 39, 0.92) 100%); }
.category-body {
  position: relative;
  z-index: 2;
  padding: 32px;
  width: 100%;
  color: #fff;
}
.category-body .badge { margin-bottom: 12px; background: rgba(255, 255, 255, 0.16); color: #fff; backdrop-filter: blur(6px); }
.category-body h3 { font-size: 22px; font-weight: 800; margin-bottom: 6px; }
.category-body p { font-size: 14px; color: rgba(255, 255, 255, 0.78); margin-bottom: 16px; line-height: 1.6; }
.category-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  transition: gap var(--transition);
}
.category-link:hover { gap: 12px; color: #fff; }

/* ===== News List ===== */
.news-list { display: flex; flex-direction: column; gap: 16px; }
.news-item {
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 22px 26px;
  background: var(--bg-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.news-item:hover { transform: translateX(4px); box-shadow: var(--shadow-md); border-color: transparent; }
.news-icon {
  flex: 0 0 52px;
  height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: rgba(29, 79, 174, 0.08);
  color: var(--primary);
  font-size: 20px;
}
.news-content { flex: 1; min-width: 0; }
.news-meta { display: flex; align-items: center; gap: 16px; margin-bottom: 6px; }
.news-date { font-size: 13px; color: var(--text-muted); display: inline-flex; align-items: center; gap: 5px; }
.news-content h3 { font-size: 17px; font-weight: 700; margin-bottom: 4px; }
.news-content h3 a { color: var(--text); transition: color var(--transition); }
.news-content h3 a:hover { color: var(--primary); }
.news-content p { font-size: 14px; color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.news-arrow {
  flex: 0 0 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: all var(--transition);
}
.news-item:hover .news-arrow { background: var(--primary); border-color: var(--primary); color: #fff; transform: translateX(4px); }
.empty-tip {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  border: 1px dashed var(--border);
  padding: 48px;
  text-align: center;
  color: var(--text-muted);
  font-size: 15px;
}

/* ===== Stats Band ===== */
.stats-band {
  position: relative;
  padding: 80px 0;
  overflow: hidden;
  background: var(--bg-deep);
}
.stats-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.3;
}
.stats-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(9, 21, 39, 0.96), rgba(18, 42, 82, 0.85));
}
.stats-overlay { position: relative; z-index: 2; }
.stat-item { text-align: center; padding: 30px 20px; }
.stat-icon {
  width: 58px;
  height: 58px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.10);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--accent);
  font-size: 22px;
  backdrop-filter: blur(6px);
}
.stat-number {
  font-size: 44px;
  font-weight: 900;
  color: #fff;
  line-height: 1.1;
  letter-spacing: -0.5px;
  margin-bottom: 6px;
}
.stat-number span { font-size: 22px; color: var(--accent); }
.stat-label { font-size: 14px; color: rgba(255, 255, 255, 0.6); letter-spacing: 0.5px; }

/* ===== Featured Cards ===== */
.featured-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: all var(--transition);
}
.featured-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.featured-media { position: relative; height: 210px; overflow: hidden; }
.featured-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.featured-card:hover .featured-media img { transform: scale(1.05); }
.featured-media .badge {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
  background: rgba(9, 21, 39, 0.75);
  color: #fff;
  backdrop-filter: blur(6px);
}
.featured-body { padding: 26px; flex: 1; display: flex; flex-direction: column; }
.featured-body h3 { font-size: 18px; font-weight: 700; line-height: 1.45; margin-bottom: 10px; color: var(--text); }
.featured-body p { font-size: 14px; color: var(--text-muted); flex: 1; margin-bottom: 18px; line-height: 1.7; }
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
  transition: gap var(--transition);
}
.text-link:hover { gap: 13px; color: var(--primary-dark); }

/* ===== FAQ ===== */
.faq-list { max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: all var(--transition);
}
.faq-item[open] { box-shadow: var(--shadow-md); border-color: rgba(29, 79, 174, 0.2); }
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-weight: 700;
  font-size: 16px;
  color: var(--text);
  transition: color var(--transition);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--primary); }
.faq-item summary i { font-size: 16px; color: var(--primary); transition: transform var(--transition); }
.faq-item[open] summary i { transform: rotate(45deg); }
.faq-content { padding: 0 24px 22px; color: var(--text-muted); font-size: 15px; line-height: 1.8; }

/* ===== CTA ===== */
.cta-section { padding: var(--space) 0; background: var(--bg); }
.cta-box {
  position: relative;
  border-radius: 28px;
  padding: 64px 56px;
  overflow: hidden;
  text-align: center;
  color: #fff;
  background: linear-gradient(135deg, #0e1e38 0%, #1d4fae 60%, #2a6bd7 100%);
  box-shadow: var(--shadow-lg);
}
.cta-box::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -80px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(245, 166, 35, 0.16);
  filter: blur(10px);
}
.cta-box h2 { font-size: 34px; font-weight: 800; margin-bottom: 14px; }
.cta-box p { font-size: 16px; color: rgba(255, 255, 255, 0.85); max-width: 560px; margin: 0 auto 30px; line-height: 1.8; }
.cta-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 16px; }

/* ===== Footer ===== */
.site-footer { background: var(--bg-deep); color: #fff; padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 48px; padding-bottom: 48px; }
.footer-brand .logo { color: #fff; margin-bottom: 16px; }
.footer-brand .logo-badge { background: linear-gradient(135deg, var(--accent), #dd8f12); color: #1b2b4a; }
.footer-brand p { font-size: 14px; color: rgba(255, 255, 255, 0.6); line-height: 1.8; max-width: 320px; }
.footer-title { font-size: 15px; font-weight: 700; letter-spacing: 0.5px; margin-bottom: 18px; color: #fff; }
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all var(--transition);
}
.footer-links a i { font-size: 12px; opacity: 0.5; }
.footer-links a:hover { color: var(--accent); padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 24px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}
.footer-bottom a { color: rgba(255, 255, 255, 0.5); transition: color var(--transition); }
.footer-bottom a:hover { color: var(--accent); }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  :root { --space: 80px; }
  .hero { min-height: 540px; }
  .hero h1 { font-size: 44px; }
  .section-header h2 { font-size: 30px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--bg-white);
    padding: 16px 24px 24px;
    border-bottom: 1px solid var(--border);
    transform: translateY(-16px);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition);
    box-shadow: 0 20px 40px rgba(15, 31, 58, 0.10);
  }
  .main-nav.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .main-nav ul { flex-direction: column; gap: 4px; }
  .main-nav a { display: flex; padding: 12px 16px; border-radius: 10px; }
  .main-nav a.active { background: rgba(29, 79, 174, 0.10); }
  .hero { min-height: 480px; }
  .hero h1 { font-size: 36px; }
  .hero-subtitle { font-size: 16px; }
  .hero-actions .btn { width: 100%; }
  .hero-meta { gap: 16px; }
  .cta-box { padding: 48px 24px; }
  .cta-box h2 { font-size: 26px; }
  .empty-tip { padding: 32px 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 520px) {
  :root { --space: 60px; }
  .container { padding: 0 18px; }
  .logo { font-size: 19px; }
  .logo-badge { width: 36px; height: 36px; font-size: 13px; border-radius: 10px; }
  .hero h1 { font-size: 28px; }
  .hero { min-height: 440px; }
  .section-header h2 { font-size: 25px; }
  .news-item { flex-direction: column; align-items: flex-start; gap: 12px; padding: 18px; }
  .news-arrow { display: none; }
  .news-content p { white-space: normal; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
  .stat-number { font-size: 34px; }
  .cta-box h2 { font-size: 22px; }
}

/* roulang page: category1 */
:root {
  --primary: #3b6ef6;
  --primary-dark: #1e4fd8;
  --primary-light: #eaf0ff;
  --accent: #10b981;
  --accent-light: #e6f9f2;
  --dark-bg: #0d1b2e;
  --dark-bg-2: #12263a;
  --bg-light: #f5f7fb;
  --surface: #ffffff;
  --text-main: #1b2534;
  --text-body: #48566b;
  --text-weak: #8494a7;
  --border-line: #e3e9f2;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 2px 10px rgba(16, 30, 60, 0.06);
  --shadow-md: 0 8px 30px rgba(16, 30, 60, 0.1);
  --shadow-lg: 0 16px 50px rgba(16, 30, 60, 0.14);
  --space-section: 96px;
  --header-height: 72px;
  --footer-bg: #0d1b2e;
  --footer-text: #a6b4c8;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text-main);
  background: #ffffff;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.2s ease;
}

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
}

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

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

.bg-light {
  background: var(--bg-light);
}

.bg-gradient {
  background: linear-gradient(135deg, var(--primary-light) 0%, #f8fbff 100%);
}

/* 通用标题 */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--primary-light);
  border: 1px solid rgba(59, 110, 246, 0.15);
  border-radius: 100px;
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
}

.section-tag i {
  font-size: 12px;
}

.section-title {
  font-size: 36px;
  font-weight: 800;
  line-height: 1.25;
  color: var(--text-main);
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.section-subtitle {
  font-size: 16px;
  color: var(--text-body);
  max-width: 560px;
  line-height: 1.7;
}

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-header .section-subtitle {
  margin: 0 auto;
}

.section-header .section-tag {
  margin-bottom: 16px;
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  transition: all 0.25s ease;
  cursor: pointer;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 15px rgba(59, 110, 246, 0.35);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(59, 110, 246, 0.4);
  color: #fff;
}

.btn-outline {
  background: transparent;
  border: 1.5px solid var(--border-line);
  color: var(--text-main);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}

.btn-accent {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.btn-accent:hover {
  background: #059669;
  transform: translateY(-2px);
}

.btn-light {
  background: #fff;
  color: var(--text-main);
}

.btn-light:hover {
  background: #f5f7fb;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(227, 233, 242, 0.8);
  transition: box-shadow 0.3s ease;
}

.site-header.scrolled {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

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

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.logo-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary) 0%, #6d9bff 100%);
  border-radius: 10px;
  color: #fff;
  font-weight: 800;
  font-size: 16px;
  letter-spacing: -0.5px;
  box-shadow: 0 4px 12px rgba(59, 110, 246, 0.35);
}

.logo-text {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.3px;
}

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

.main-nav a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-body);
  transition: all 0.2s ease;
  position: relative;
}

.main-nav a i {
  font-size: 14px;
  opacity: 0.75;
}

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

.main-nav a.active {
  color: var(--primary);
  background: var(--primary-light);
  font-weight: 600;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--bg-light);
  color: var(--text-main);
  font-size: 18px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.nav-toggle:hover {
  background: var(--primary-light);
  color: var(--primary);
}

/* 移动端导航 */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border-line);
    box-shadow: var(--shadow-lg);
    padding: 16px 20px;
    opacity: 0;
    transform: translateY(-12px);
    pointer-events: none;
    transition: all 0.28s ease;
    max-height: calc(100vh - var(--header-height));
    overflow-y: auto;
  }

  .main-nav.open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 6px;
    align-items: stretch;
  }

  .main-nav a {
    padding: 14px 16px;
    width: 100%;
  }
}

/* Banner / Hero 内页横幅 */
.page-banner {
  position: relative;
  padding: 80px 0 64px;
  background: var(--dark-bg);
  overflow: hidden;
}

.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(13, 27, 46, 0.97) 30%, rgba(13, 27, 46, 0.75) 70%, rgba(13, 27, 46, 0.6) 100%), url('/assets/images/backpic/back-2.png') no-repeat right center / cover;
  z-index: 1;
}

.page-banner::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(59, 110, 246, 0.3) 0%, transparent 65%);
  z-index: 2;
  border-radius: 50%;
}

.banner-content {
  position: relative;
  z-index: 3;
}

.page-banner .section-tag {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.2);
  color: #9db9ff;
  backdrop-filter: blur(6px);
}

.page-banner .banner-title {
  font-size: 44px;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.page-banner .banner-desc {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.75);
  max-width: 580px;
  line-height: 1.8;
  margin-bottom: 32px;
}

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

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}

.breadcrumb a {
  color: rgba(255,255,255,0.7);
  transition: color 0.2s;
}

.breadcrumb a:hover {
  color: #9db9ff;
}

.breadcrumb i {
  font-size: 10px;
  opacity: 0.6;
}

/* 卡片 */
.step-card {
  background: var(--surface);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  height: 100%;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.step-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), #6d9bff);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.step-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(59, 110, 246, 0.2);
}

.step-card:hover::before {
  opacity: 1;
}

.step-num {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 800;
  color: var(--primary);
  background: var(--primary-light);
  margin-bottom: 20px;
}

.step-card:nth-child(2) .step-num {
  background: var(--accent-light);
  color: var(--accent);
}

.step-card:nth-child(3) .step-num {
  background: #fef3c7;
  color: #d97706;
}

.step-card:nth-child(4) .step-num {
  background: #ede9fe;
  color: #7c3aed;
}

.step-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.4;
}

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

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

.step-link:hover {
  color: var(--primary-dark);
  gap: 10px;
}

/* 图文区块 */
.info-image-section {
  background: var(--bg-light);
}

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

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

.info-image-media img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.info-image-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(13,27,46,0.25) 0%, transparent 50%);
  pointer-events: none;
}

.info-image-col {
  max-width: 520px;
}

.info-image-col .section-tag {
  margin-bottom: 14px;
}

.info-image-col h2 {
  font-size: 30px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 16px;
  color: var(--text-main);
}

.info-image-col p {
  color: var(--text-body);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 16px;
}

.info-points {
  margin-top: 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.info-point {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  background: var(--surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-line);
  transition: all 0.25s ease;
}

.info-point:hover {
  box-shadow: var(--shadow-sm);
  border-color: rgba(59, 110, 246, 0.25);
}

.info-point i {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  border-radius: 8px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
}

.info-point span {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.4;
}

/* 清单/步骤列表 */
.checklist-section {
  background: var(--surface);
}

.checklist-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.checklist-left {
  position: sticky;
  top: 96px;
}

.checklist-left h2 {
  font-size: 30px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 16px;
  color: var(--text-main);
}

.checklist-left p {
  color: var(--text-body);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 28px;
}

.check-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.check-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  background: var(--bg-light);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-line);
  font-size: 15px;
  color: var(--text-main);
  font-weight: 500;
  transition: all 0.2s ease;
}

.check-item:hover {
  background: var(--primary-light);
  border-color: rgba(59,110,246,0.25);
  transform: translateX(4px);
}

.check-item i {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.check-item .highlight {
  color: var(--primary);
  font-weight: 700;
  margin-left: 6px;
}

/* 信息卡片网格 */
.topic-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.topic-card {
  background: var(--surface);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.3s ease;
}

.topic-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: rgba(59,110,246,0.15);
}

.topic-card-media {
  position: relative;
  height: 190px;
  overflow: hidden;
}

.topic-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.topic-card:hover .topic-card-media img {
  transform: scale(1.05);
}

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

.topic-card-body h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-main);
  line-height: 1.4;
}

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

.topic-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.badge {
  display: inline-block;
  padding: 4px 12px;
  background: var(--bg-light);
  color: var(--text-body);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.3px;
}

.badge-primary {
  background: var(--primary-light);
  color: var(--primary);
}

.badge-accent {
  background: var(--accent-light);
  color: var(--accent);
}

.badge-warning {
  background: #fef3c7;
  color: #d97706;
}

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

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

.faq-item {
  background: var(--surface);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: all 0.25s ease;
}

.faq-item:hover {
  border-color: rgba(59,110,246,0.2);
}

.faq-question {
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  background: transparent;
  width: 100%;
  text-align: left;
}

.faq-question i {
  color: var(--primary);
  font-size: 14px;
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer-inner {
  padding: 0 24px 20px;
  font-size: 14px;
  color: var(--text-body);
  line-height: 1.8;
}

/* CTA */
.cta-section {
  background: var(--dark-bg);
  position: relative;
  overflow: hidden;
  padding: 80px 0;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -40%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(59,110,246,0.25) 0%, transparent 60%);
  border-radius: 50%;
}

.cta-section::after {
  content: '';
  position: absolute;
  bottom: -40%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(16,185,129,0.15) 0%, transparent 60%);
  border-radius: 50%;
}

.cta-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

.cta-inner h2 {
  font-size: 32px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.cta-inner p {
  font-size: 16px;
  color: rgba(255,255,255,0.7);
  margin-bottom: 32px;
  line-height: 1.8;
}

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

/* Footer */
.site-footer {
  background: var(--footer-bg);
  color: var(--footer-text);
  padding: 64px 0 0;
}

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

.footer-brand .logo-text {
  color: #fff;
}

.footer-brand .logo-badge {
  background: linear-gradient(135deg, var(--primary), #6d9bff);
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  margin-top: 16px;
  color: rgba(255,255,255,0.55);
  max-width: 340px;
}

.footer-title {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
}

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

.footer-links a {
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
}

.footer-links a i {
  font-size: 10px;
  color: rgba(255,255,255,0.3);
  transition: all 0.2s ease;
}

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

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

.footer-bottom {
  padding: 24px 0;
  font-size: 13px;
  color: rgba(255,255,255,0.35);
  text-align: center;
}

/* 响应式 */
@media (max-width: 1024px) {
  :root {
    --space-section: 72px;
  }

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

  .section-title {
    font-size: 30px;
  }

  .page-banner .banner-title {
    font-size: 36px;
  }

  .info-image-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .info-image-col {
    max-width: 100%;
  }

  .checklist-wrap {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .checklist-left {
    position: static;
  }

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

@media (max-width: 768px) {
  :root {
    --space-section: 56px;
  }

  .container {
    padding: 0 20px;
  }

  .section-header {
    margin-bottom: 32px;
  }

  .section-title {
    font-size: 26px;
  }

  .section-subtitle {
    font-size: 14px;
  }

  .section-tag {
    padding: 5px 12px;
    font-size: 12px;
  }

  .page-banner {
    padding: 56px 0 48px;
  }

  .page-banner .banner-title {
    font-size: 28px;
  }

  .page-banner .banner-desc {
    font-size: 15px;
  }

  .info-image-media img {
    height: 260px;
  }

  .info-points {
    grid-template-columns: 1fr;
  }

  .topic-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .cta-section {
    padding: 56px 0;
  }

  .cta-inner h2 {
    font-size: 24px;
  }

  .cta-inner p {
    font-size: 14px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-bottom: 32px;
  }

  .btn {
    padding: 11px 22px;
    font-size: 14px;
  }

  .banner-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .banner-actions .btn {
    width: 100%;
  }
}

@media (max-width: 520px) {
  :root {
    --space-section: 48px;
  }

  .container {
    padding: 0 16px;
  }

  .section-title {
    font-size: 22px;
  }

  .page-banner .banner-title {
    font-size: 24px;
  }

  .page-banner .banner-desc {
    font-size: 14px;
  }

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

  .info-image-media img {
    height: 200px;
  }

  .check-item {
    padding: 14px 16px;
    font-size: 13px;
  }

  .faq-question {
    padding: 16px 18px;
    font-size: 14px;
  }

  .faq-answer-inner {
    padding: 0 18px 16px;
    font-size: 13px;
  }

  .footer-bottom {
    font-size: 12px;
  }
}

/* roulang page: category2 */
:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --secondary: #06b6d4;
  --accent: #f59e0b;
  --dark: #0f172a;
  --text: #1e293b;
  --text-weak: #64748b;
  --bg: #f8fafc;
  --bg-deep: #eef2ff;
  --white: #ffffff;
  --border: #e2e8f0;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 50px rgba(15, 23, 42, 0.12);
  --transition: all .3s ease;
  --space: 90px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif; line-height: 1.7; color: var(--text); background: var(--white); -webkit-font-smoothing: antialiased; }
img, svg { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }

h1, h2, h3, h4, .h1, .h2, .h3 { font-weight: 700; line-height: 1.3; color: var(--dark); letter-spacing: -0.01em; }

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

/* ===== Header / Nav ===== */
.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 12px rgba(15,23,42,0.05);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 24px; }
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-badge {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff; font-weight: 800; font-size: 15px; letter-spacing: 0.5px;
  box-shadow: 0 4px 12px rgba(99,102,241,0.35);
}
.logo-text { font-size: 20px; font-weight: 700; color: var(--dark); letter-spacing: -0.02em; }

.main-nav ul { display: flex; align-items: center; gap: 4px; margin: 0; }
.main-nav li { margin: 0; }
.main-nav a {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px; border-radius: 999px;
  font-size: 15px; font-weight: 500; color: var(--text-weak);
  white-space: nowrap; transition: var(--transition);
}
.main-nav a i { font-size: 14px; }
.main-nav a:hover { color: var(--primary); background: var(--bg-deep); }
.main-nav a.active { color: var(--primary); background: rgba(99,102,241,0.12); font-weight: 600; }
.nav-toggle { display: none; background: none; border: none; font-size: 24px; color: var(--dark); cursor: pointer; padding: 8px; border-radius: 8px; }
.nav-toggle:focus-visible { outline: 3px solid rgba(99,102,241,0.4); outline-offset: 2px; }

/* ===== Banner / Hero ===== */
.page-banner {
  position: relative; padding: 90px 0;
  background: linear-gradient(135deg, rgba(15,23,42,0.78), rgba(79,70,229,0.72)), url('/assets/images/backpic/back-2.png');
  background-size: cover; background-position: center;
  color: #fff; text-align: center;
}
.page-banner .banner-overline {
  display: inline-block; padding: 6px 18px; border-radius: 999px;
  background: rgba(255,255,255,0.15); border: 1px solid rgba(255,255,255,0.25);
  color: #fff; font-size: 13px; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 18px;
}
.page-banner h1 { color: #fff; font-size: 44px; font-weight: 800; margin-bottom: 16px; line-height: 1.2; }
.page-banner p { font-size: 17px; color: rgba(255,255,255,0.85); max-width: 720px; margin: 0 auto 30px; }
.banner-meta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.banner-meta span {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 18px; border-radius: 999px;
  background: rgba(255,255,255,0.16); border: 1px solid rgba(255,255,255,0.2);
  color: #fff; font-size: 14px;
}
.banner-meta i { color: var(--accent); }

/* ===== Section ===== */
.section { padding: var(--space) 0; }
.section-alt { background: var(--bg); }

.section-head { text-align: center; margin-bottom: 52px; }
.section-head .tagline { display: inline-block; color: var(--primary); font-weight: 600; font-size: 14px; letter-spacing: 1.5px; text-transform: uppercase; padding: 6px 16px; border-radius: 999px; background: var(--bg-deep); margin-bottom: 14px; }
.section-head h2 { font-size: 34px; margin-bottom: 12px; }
.section-head p { color: var(--text-weak); max-width: 620px; margin: 0 auto; font-size: 16px; }

/* ===== Card Grid ===== */
.strategy-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.strategy-card {
  background: var(--white); border-radius: var(--radius);
  border: 1px solid var(--border); overflow: hidden;
  transition: var(--transition);
}
.strategy-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(99,102,241,0.3); }
.strategy-card .card-img { position: relative; aspect-ratio: 16 / 10; overflow: hidden; }
.strategy-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.strategy-card:hover .card-img img { transform: scale(1.06); }
.strategy-card .card-img .badge-tag {
  position: absolute; top: 14px; left: 14px;
  background: rgba(15,23,42,0.72); backdrop-filter: blur(4px);
  color: #fff; font-size: 12px; font-weight: 600; letter-spacing: 1px;
  padding: 5px 12px; border-radius: 999px;
}
.card-body { padding: 26px 28px 28px; }
.card-body h3 { font-size: 20px; margin-bottom: 10px; transition: var(--transition); }
.strategy-card:hover .card-body h3 { color: var(--primary); }
.card-body p { color: var(--text-weak); font-size: 14px; margin-bottom: 18px; line-height: 1.75; }
.card-meta { display: flex; align-items: center; justify-content: space-between; padding-top: 16px; border-top: 1px dashed var(--border); font-size: 13px; color: var(--text-weak); }
.card-meta .read-more { color: var(--primary); font-weight: 600; display: inline-flex; align-items: center; gap: 6px; }
.card-meta .read-more:hover { gap: 10px; }

/* ===== Stats ===== */
.stats-section { background: var(--dark); padding: 70px 0; position: relative; overflow: hidden; }
.stats-section::before { content: ""; position: absolute; top: -40px; right: -40px; width: 260px; height: 260px; border-radius: 50%; background: rgba(6,182,212,0.12); }
.stats-section::after { content: ""; position: absolute; bottom: -60px; left: -60px; width: 300px; height: 300px; border-radius: 50%; background: rgba(99,102,241,0.15); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; position: relative; z-index: 1; text-align: center; }
.stat-item h4 { color: var(--white); font-size: 40px; font-weight: 800; margin-bottom: 4px; line-height: 1.2; }
.stat-item h4 span { color: var(--accent); }
.stat-item p { color: rgba(255,255,255,0.6); font-size: 15px; }

/* ===== Flow Steps ===== */
.flow-section { background: var(--bg); }
.flow-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; counter-reset: step; }
.step-item {
  background: var(--white); border-radius: var(--radius); padding: 34px 28px;
  border: 1px solid var(--border); position: relative; transition: var(--transition);
}
.step-item:hover { box-shadow: var(--shadow); border-color: rgba(99,102,241,0.25); transform: translateY(-4px); }
.step-num {
  width: 48px; height: 48px; border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 22px; font-weight: 800; margin-bottom: 20px;
  box-shadow: 0 8px 18px rgba(99,102,241,0.3);
}
.step-item h3 { font-size: 18px; margin-bottom: 8px; }
.step-item p { font-size: 14px; color: var(--text-weak); }

/* ===== Comparison / Featured ===== */
.featured-box {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0;
  background: var(--white); border-radius: 24px; overflow: hidden;
  border: 1px solid var(--border); box-shadow: var(--shadow);
}
.featured-box .featured-visual { position: relative; min-height: 380px; }
.featured-box .featured-visual img { width: 100%; height: 100%; object-fit: cover; }
.featured-box .featured-visual::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, transparent 50%, rgba(255,255,255,0.95)); }
.featured-content { padding: 52px 50px; }
.featured-content .featured-tag { display: inline-block; background: rgba(245,158,11,0.14); color: #b45309; font-size: 13px; font-weight: 600; padding: 6px 16px; border-radius: 999px; margin-bottom: 18px; }
.featured-content h2 { font-size: 30px; margin-bottom: 14px; }
.featured-content p { color: var(--text-weak); margin-bottom: 22px; font-size: 15px; }
.feature-list { margin-bottom: 28px; }
.feature-list li { display: flex; align-items: flex-start; gap: 12px; padding: 10px 0; font-size: 15px; border-bottom: 1px dashed var(--border); }
.feature-list li:last-child { border-bottom: none; }
.feature-list i { color: var(--primary); margin-top: 3px; font-size: 16px; }

/* ===== FAQ ===== */
.faq-section { background: var(--white); }
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius-sm); margin-bottom: 16px; overflow: hidden; background: var(--white); transition: var(--transition); }
.faq-item.open { border-color: rgba(99,102,241,0.35); box-shadow: var(--shadow); }
.faq-question { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 22px 26px; cursor: pointer; font-weight: 600; font-size: 17px; color: var(--dark); background: none; border: none; width: 100%; text-align: left; transition: var(--transition); }
.faq-question:hover { color: var(--primary); }
.faq-question i { font-size: 16px; color: var(--primary); transition: transform .3s ease; flex-shrink: 0; }
.faq-item.open .faq-question i { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .4s ease; }
.faq-answer p { padding: 0 26px 24px; color: var(--text-weak); font-size: 15px; line-height: 1.8; }

/* ===== CTA ===== */
.cta-section {
  position: relative; padding: 80px 0; text-align: center;
  background: linear-gradient(135deg, var(--primary-dark), #4338ca), url('/assets/images/backpic/back-1.png');
  background-size: cover; background-position: center; color: #fff;
}
.cta-section::before { content: ""; position: absolute; inset: 0; background: rgba(15,23,42,0.35); }
.cta-inner { position: relative; z-index: 1; max-width: 680px; margin: 0 auto; }
.cta-inner h2 { color: #fff; font-size: 34px; margin-bottom: 14px; }
.cta-inner p { color: rgba(255,255,255,0.9); margin-bottom: 32px; font-size: 17px; }
.button.cta-btn {
  background: var(--accent); color: var(--dark); font-weight: 700;
  padding: 14px 36px; border-radius: 999px; font-size: 16px;
  border: none; cursor: pointer; transition: var(--transition);
  box-shadow: 0 8px 24px rgba(245,158,11,0.4);
  display: inline-flex; align-items: center; gap: 10px;
}
.button.cta-btn:hover { transform: translateY(-2px); box-shadow: 0 14px 32px rgba(245,158,11,0.5); color: var(--dark); }

/* ===== Footer ===== */
.site-footer { background: var(--dark); color: rgba(255,255,255,0.8); padding: 70px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 50px; margin-bottom: 50px; }
.footer-brand .logo { margin-bottom: 18px; }
.footer-brand .logo-text { color: #fff; }
.footer-brand p { font-size: 14px; line-height: 1.85; color: rgba(255,255,255,0.55); max-width: 320px; }
.footer-title { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 20px; letter-spacing: 1px; }
.footer-links li { margin-bottom: 12px; }
.footer-links a { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; color: rgba(255,255,255,0.6); transition: var(--transition); }
.footer-links a i { font-size: 10px; color: var(--secondary); transition: var(--transition); }
.footer-links a:hover { color: #fff; transform: translateX(4px); }
.footer-links a:hover i { color: var(--accent); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 26px; display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: rgba(255,255,255,0.4); flex-wrap: wrap; gap: 12px; }

/* ===== Mobile Nav ===== */
@media (max-width: 1024px) {
  .strategy-grid { grid-template-columns: repeat(2, 1fr); }
  .flow-steps { grid-template-columns: repeat(2, 1fr); }
  .featured-box { grid-template-columns: 1fr; }
  .featured-box .featured-visual { min-height: 260px; }
  .featured-box .featured-visual::after { display: none; }
}
@media (max-width: 768px) {
  :root { --space: 64px; }
  .nav-toggle { display: block; }
  .main-nav {
    position: fixed; top: 72px; right: 16px; left: 16px;
    background: var(--white); border-radius: 16px; padding: 12px;
    box-shadow: 0 20px 50px rgba(15,23,42,0.2);
    border: 1px solid var(--border);
    opacity: 0; visibility: hidden; transform: translateY(-10px);
    transition: var(--transition); z-index: 999;
  }
  .main-nav.open { opacity: 1; visibility: visible; transform: translateY(0); }
  .main-nav ul { flex-direction: column; align-items: stretch; gap: 4px; }
  .main-nav a { justify-content: flex-start; width: 100%; padding: 14px 18px; border-radius: 12px; }
  .page-banner { padding: 65px 0; }
  .page-banner h1 { font-size: 32px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 30px; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .featured-content { padding: 36px 28px; }
}
@media (max-width: 520px) {
  .strategy-grid { grid-template-columns: 1fr; }
  .flow-steps { grid-template-columns: 1fr; }
  .page-banner h1 { font-size: 28px; }
  .section-head h2 { font-size: 27px; }
  .stats-grid { gap: 20px; }
  .stat-item h4 { font-size: 30px; }
  .footer-grid { margin-bottom: 32px; }
  .grid-container { padding: 0 18px; }
}

/* Foundation overrides */
.button { margin: 0; }
.grid-container, .grid-x { max-width: 1200px; }

/* roulang page: article */
:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #eef2ff;
  --accent: #06b6d4;
  --accent-gold: #f59e0b;
  --bg: #f8fafc;
  --bg-dark: #0f172a;
  --bg-deep: #0b1120;
  --text: #1e293b;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --border: #e2e8f0;
  --white: #ffffff;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 2px 10px rgba(15, 23, 42, .06);
  --shadow: 0 10px 32px rgba(15, 23, 42, .10);
  --shadow-lg: 0 24px 60px rgba(15, 23, 42, .16);
  --transition: .25s ease;
  --container: 1200px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif; background: var(--bg); color: var(--text); line-height: 1.75; font-size: 16px; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color .25s ease, background .25s ease, border-color .25s ease, box-shadow .25s ease, transform .25s ease; }
button, input, textarea, select { font-family: inherit; }
button { background: none; border: none; cursor: pointer; }
ul, ol { list-style: none; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; width: 100%; }

/* ===== Header ===== */
.site-header { position: sticky; top: 0; z-index: 200; background: rgba(11, 17, 32, .92); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); border-bottom: 1px solid rgba(255, 255, 255, .08); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; color: #fff; letter-spacing: .3px; }
.logo-badge { width: 36px; height: 36px; border-radius: 10px; background: linear-gradient(135deg, #6366f1, #8b5cf6); display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 900; color: #fff; letter-spacing: 0; box-shadow: 0 4px 14px rgba(99, 102, 241, .45); flex-shrink: 0; }
.logo-text { background: linear-gradient(120deg, #ffffff, #c7d2fe); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.main-nav ul { display: flex; gap: 6px; align-items: center; }
.main-nav a { display: flex; align-items: center; gap: 7px; padding: 10px 16px; border-radius: 10px; color: #cbd5e1; font-size: 14px; font-weight: 500; line-height: 1.4; }
.main-nav a i { font-size: 14px; opacity: .85; }
.main-nav a:hover { color: #fff; background: rgba(255, 255, 255, .08); }
.main-nav a.active { color: #fff; background: linear-gradient(135deg, rgba(99, 102, 241, .28), rgba(139, 92, 246, .22)); box-shadow: inset 0 0 0 1px rgba(129, 140, 248, .35); }
.nav-toggle { display: none; width: 42px; height: 42px; border-radius: 10px; color: #e2e8f0; font-size: 20px; align-items: center; justify-content: center; background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .1); }

/* ===== Article Banner ===== */
.article-banner { position: relative; padding: 104px 0 92px; background: var(--bg-dark) url('/assets/images/backpic/back-1.png') center / cover no-repeat; color: #fff; overflow: hidden; }
.article-banner .banner-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(11, 17, 32, .82) 0%, rgba(15, 23, 42, .78) 55%, rgba(30, 27, 75, .82) 100%); }
.article-banner .container { position: relative; z-index: 2; }
.breadcrumb { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; font-size: 13px; color: rgba(226, 232, 240, .75); margin-bottom: 36px; }
.breadcrumb a { padding: 5px 10px; border-radius: 8px; background: rgba(255, 255, 255, .08); color: #e2e8f0; border: 1px solid rgba(255, 255, 255, .1); display: inline-flex; align-items: center; gap: 6px; }
.breadcrumb a:hover { background: rgba(255, 255, 255, .16); color: #fff; }
.breadcrumb .breadcrumb-sep { font-size: 11px; opacity: .6; }
.breadcrumb span { padding: 5px 12px; background: rgba(99, 102, 241, .2); border: 1px solid rgba(129, 140, 248, .3); border-radius: 8px; color: #c7d2fe; max-width: 380px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.category-badge { display: inline-flex; align-items: center; gap: 6px; background: linear-gradient(135deg, rgba(99, 102, 241, .35), rgba(139, 92, 246, .3)); border: 1px solid rgba(129, 140, 248, .45); color: #e0e7ff; font-size: 13px; font-weight: 600; padding: 7px 16px; border-radius: 100px; margin-bottom: 18px; letter-spacing: .5px; }
.article-banner h1 { font-size: clamp(28px, 4.5vw, 44px); line-height: 1.28; font-weight: 800; max-width: 860px; letter-spacing: .5px; text-shadow: 0 2px 20px rgba(0, 0, 0, .3); }
.article-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 20px; margin-top: 24px; color: rgba(226, 232, 240, .85); font-size: 14px; }
.article-meta span { display: inline-flex; align-items: center; gap: 7px; }
.article-meta i { color: #a5b4fc; }

/* ===== Article Section ===== */
.article-section { padding: 64px 0 80px; }
.article-main { background: var(--white); border-radius: var(--radius-lg); padding: 40px 44px; box-shadow: var(--shadow-sm); border: 1px solid var(--border); }
.article-cover { border-radius: var(--radius); overflow: hidden; margin-bottom: 32px; box-shadow: var(--shadow-sm); }
.article-cover img { width: 100%; height: auto; object-fit: cover; }
.article-content { font-size: 16px; line-height: 1.9; color: #1e293b; }
.article-content p { margin-bottom: 20px; }
.article-content > p:last-child { margin-bottom: 0; }
.article-content h2 { font-size: 24px; font-weight: 800; margin: 36px 0 16px; padding-left: 14px; border-left: 4px solid var(--primary); line-height: 1.4; }
.article-content h3 { font-size: 19px; font-weight: 700; margin: 28px 0 12px; color: #1e293b; }
.article-content ul, .article-content ol { margin: 14px 0 22px; padding-left: 26px; }
.article-content ul li, .article-content ol li { margin-bottom: 8px; position: relative; }
.article-content ul li::before { content: ""; position: absolute; left: -18px; top: 14px; width: 6px; height: 6px; border-radius: 50%; background: var(--primary); }
.article-content ol { list-style: decimal; }
.article-content ol li::marker { color: var(--primary); font-weight: 700; }
.article-content img { border-radius: var(--radius); margin: 26px 0; box-shadow: var(--shadow-sm); }
.article-content blockquote { margin: 24px 0; padding: 20px 24px; background: var(--primary-light); border-left: 4px solid var(--primary); border-radius: 0 var(--radius) var(--radius) 0; color: #3730a3; font-size: 15px; }
.article-content a { color: var(--primary); font-weight: 600; border-bottom: 1px dashed var(--primary); }
.article-content a:hover { color: var(--primary-dark); }
.article-content table { width: 100%; border-collapse: collapse; margin: 24px 0; border-radius: 12px; overflow: hidden; }
.article-content table th, .article-content table td { padding: 12px 16px; border: 1px solid var(--border); font-size: 14px; }
.article-content table th { background: #f1f5f9; font-weight: 700; }

/* ===== Tags & Share ===== */
.article-tags { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 36px; padding-top: 22px; border-top: 1px solid var(--border); }
.tag-label { font-size: 13px; color: var(--text-muted); font-weight: 600; display: inline-flex; align-items: center; gap: 5px; }
.tag-pill { display: inline-block; background: #f1f5f9; border: 1px solid var(--border); color: var(--text-muted); font-size: 12px; padding: 5px 14px; border-radius: 100px; transition: all var(--transition); }
.tag-pill:hover { background: var(--primary-light); color: var(--primary-dark); border-color: rgba(99, 102, 241, .4); }
.article-share { display: flex; align-items: center; gap: 12px; margin-top: 22px; font-size: 14px; color: var(--text-muted); flex-wrap: wrap; }
.share-btn { width: 40px; height: 40px; border-radius: 10px; display: inline-flex; align-items: center; justify-content: center; background: #f1f5f9; border: 1px solid var(--border); color: var(--text-muted); font-size: 16px; transition: all var(--transition); }
.share-btn:hover { background: var(--primary); color: #fff; border-color: var(--primary); transform: translateY(-3px); box-shadow: var(--shadow-sm); }
.share-btn.share-weixin:hover { background: #07c160; border-color: #07c160; }
.share-btn.share-weibo:hover { background: #e6162d; border-color: #e6162d; }
.share-btn.share-qq:hover { background: #12b7f5; border-color: #12b7f5; }

/* ===== Author Card ===== */
.author-card { background: linear-gradient(135deg, #0f172a, #1e1b4b); border-radius: var(--radius-lg); padding: 30px 34px; margin-top: 26px; display: flex; align-items: center; gap: 22px; color: #fff; flex-wrap: wrap; }
.author-avatar { width: 58px; height: 58px; border-radius: 16px; background: linear-gradient(135deg, #6366f1, #8b5cf6); display: flex; align-items: center; justify-content: center; font-size: 24px; color: #fff; flex-shrink: 0; box-shadow: 0 6px 20px rgba(99, 102, 241, .35); }
.author-info { flex: 1; min-width: 200px; }
.author-info h3 { font-size: 17px; font-weight: 700; margin-bottom: 4px; }
.author-info p { font-size: 13px; color: #94a3b8; line-height: 1.75; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 24px; border-radius: 10px; font-size: 14px; font-weight: 600; border: 0; transition: all var(--transition); cursor: pointer; text-align: center; }
.btn-primary { background: linear-gradient(135deg, #6366f1, #8b5cf6); color: #fff; box-shadow: 0 6px 20px rgba(99, 102, 241, .3); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(99, 102, 241, .42); color: #fff; }
.btn-outline { background: transparent; color: #e0e7ff; border: 1px solid rgba(255, 255, 255, .25); padding: 10px 20px; font-size: 13px; border-radius: 10px; }
.btn-outline:hover { background: rgba(255, 255, 255, .1); border-color: rgba(255, 255, 255, .45); color: #fff; }

/* ===== Sidebar ===== */
.sidebar .sidebar-card { background: var(--white); border-radius: 18px; padding: 26px; box-shadow: var(--shadow-sm); border: 1px solid var(--border); margin-bottom: 22px; }
.sidebar-card h3 { font-size: 16px; font-weight: 800; display: flex; align-items: center; gap: 9px; padding-bottom: 16px; border-bottom: 1px solid var(--border); margin-bottom: 16px; color: var(--text); }
.sidebar-card h3 i { color: var(--primary); font-size: 15px; }
.category-card .sidebar-cats li { margin-bottom: 6px; }
.category-card .sidebar-cats a { display: flex; align-items: center; gap: 10px; padding: 11px 14px; border-radius: 10px; color: var(--text-muted); font-size: 14px; font-weight: 500; border: 1px solid transparent; transition: all var(--transition); }
.category-card .sidebar-cats a i { width: 20px; text-align: center; color: var(--primary); font-size: 14px; }
.category-card .sidebar-cats a:hover { background: #f8fafc; border-color: var(--border); color: var(--text); transform: translateX(3px); }
.category-card .sidebar-cats a.on { background: var(--primary-light); border-color: rgba(99, 102, 241, .3); color: var(--primary-dark); font-weight: 600; }
.recent-posts li { margin-bottom: 4px; border-radius: 10px; transition: background var(--transition); }
.recent-posts li:hover { background: #f8fafc; }
.recent-posts a { display: flex; align-items: center; gap: 10px; padding: 9px 8px; border-radius: 10px; font-size: 14px; line-height: 1.55; color: var(--text); }
.recent-posts a:hover { color: var(--primary); }
.recent-posts .recent-icon { width: 22px; height: 22px; border-radius: 7px; background: var(--primary-light); color: var(--primary); display: inline-flex; align-items: center; justify-content: center; font-size: 11px; flex-shrink: 0; }
.recent-posts .recent-text { overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.recent-posts .empty-tip { padding: 16px 8px; font-size: 13px; color: var(--text-muted); }
.cta-card { position: relative; overflow: hidden; background: linear-gradient(145deg, #1e1b4b, #312e81) !important; border-color: transparent !important; color: #fff; }
.cta-card .cta-card-bg { position: absolute; inset: 0; background: url('/assets/images/backpic/back-2.png') center / cover no-repeat; opacity: .16; pointer-events: none; }
.cta-card h3, .cta-card p { position: relative; z-index: 2; }
.cta-card h3 { border-bottom-color: rgba(255, 255, 255, .15); color: #fff; }
.cta-card h3 i { color: #a5b4fc; }
.cta-card p { font-size: 14px; color: #cbd5e1; margin-bottom: 16px; }
.btn-block { width: 100%; }

/* ===== Not Found ===== */
.not-found-card { background: var(--white); border-radius: var(--radius-lg); padding: 60px 40px; text-align: center; box-shadow: var(--shadow-sm); border: 1px solid var(--border); }
.not-found-card i { font-size: 58px; color: var(--primary); margin-bottom: 18px; }
.not-found-card h2 { font-size: 26px; font-weight: 800; margin-bottom: 10px; }
.not-found-card p { color: var(--text-muted); margin-bottom: 24px; }

/* ===== Related Section ===== */
.related-section { background: #f1f5f9; padding: 72px 0; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 36px; flex-wrap: wrap; }
.section-head h2 { font-size: clamp(24px, 3vw, 32px); font-weight: 900; letter-spacing: .5px; line-height: 1.3; }
.section-tag { display: inline-flex; align-items: center; gap: 6px; background: var(--primary-light); border: 1px solid rgba(99, 102, 241, .25); color: var(--primary-dark); font-size: 12px; font-weight: 700; padding: 5px 14px; border-radius: 100px; margin-bottom: 12px; }
.section-desc { color: var(--text-muted); font-size: 14px; }
.related-card { display: block; background: var(--white); border-radius: 18px; overflow: hidden; box-shadow: var(--shadow-sm); border: 1px solid var(--border); margin-bottom: 24px; transition: transform var(--transition), box-shadow var(--transition); height: 100%; }
.related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.related-cover { position: relative; height: 190px; overflow: hidden; }
.related-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.related-card:hover .related-cover img { transform: scale(1.06); }
.related-cat { position: absolute; top: 14px; left: 14px; background: rgba(15, 23, 42, .8); backdrop-filter: blur(8px); color: #e0e7ff; font-size: 11px; font-weight: 600; padding: 4px 12px; border-radius: 100px; border: 1px solid rgba(255, 255, 255, .2); }
.related-body { padding: 22px 24px 24px; }
.related-body h3 { font-size: 16px; font-weight: 700; line-height: 1.5; margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-body p { font-size: 13px; color: var(--text-muted); line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 16px; }
.read-more { font-size: 13px; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; }
.related-card:hover .read-more { gap: 10px; }

/* ===== CTA Band ===== */
.cta-band { padding: 68px 0; background: linear-gradient(135deg, #0f172a, #1e1b4b 60%, #312e81); color: #fff; text-align: center; position: relative; overflow: hidden; }
.cta-band::before { content: ""; position: absolute; inset: 0; background: url('/assets/images/backpic/back-3.png') center / cover no-repeat; opacity: .1; }
.cta-band .container { position: relative; z-index: 2; }
.cta-band h2 { font-size: clamp(24px, 3.5vw, 34px); font-weight: 900; margin-bottom: 12px; letter-spacing: .5px; }
.cta-band p { font-size: 15px; color: #cbd5e1; max-width: 560px; margin: 0 auto 30px; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.btn-light { background: #fff; color: #1e1b4b; padding: 12px 28px; box-shadow: 0 6px 20px rgba(0, 0, 0, .18); }
.btn-light:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(0, 0, 0, .28); color: #1e1b4b; }
.btn-outline-light { background: transparent; color: #e0e7ff; border: 1px solid rgba(255, 255, 255, .3); padding: 12px 28px; }
.btn-outline-light:hover { background: rgba(255, 255, 255, .1); border-color: rgba(255, 255, 255, .55); color: #fff; transform: translateY(-2px); }

/* ===== Footer ===== */
.site-footer { background: var(--bg-deep); color: var(--text-light); padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 48px; padding-bottom: 44px; border-bottom: 1px solid rgba(255, 255, 255, .08); }
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand p { font-size: 14px; line-height: 1.75; max-width: 320px; }
.footer-title { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 16px; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; color: var(--text-light); transition: all var(--transition); }
.footer-links a i { font-size: 11px; color: var(--primary); }
.footer-links a:hover { color: #fff; padding-left: 4px; }
.footer-bottom { padding: 22px 0; text-align: center; font-size: 13px; color: rgba(148, 163, 184, .8); }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .article-main { padding: 32px 28px; }
  .article-banner { padding: 88px 0 76px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}
@media (max-width: 768px) {
  .header-inner { height: 64px; }
  .main-nav { position: fixed; top: 64px; left: 0; right: 0; background: rgba(11, 17, 32, .97); backdrop-filter: blur(16px); border-bottom: 1px solid rgba(255, 255, 255, .08); padding: 14px 20px 20px; transform: translateY(-16px); opacity: 0; visibility: hidden; transition: all .3s ease; z-index: 190; border-radius: 0 0 16px 16px; box-shadow: var(--shadow-lg); }
  .main-nav.open { transform: translateY(0); opacity: 1; visibility: visible; }
  .main-nav ul { flex-direction: column; gap: 4px; }
  .main-nav a { padding: 14px 16px; font-size: 15px; justify-content: flex-start; border-radius: 12px; border: 1px solid transparent; }
  .main-nav a.active { border-color: rgba(129, 140, 248, .35); }
  .nav-toggle { display: inline-flex; }
  .article-banner { padding: 64px 0 52px; }
  .article-banner h1 { font-size: 26px; }
  .article-section { padding: 44px 0 56px; }
  .article-main { padding: 24px 20px; border-radius: 16px; }
  .article-cover { margin-bottom: 24px; }
  .article-content { font-size: 15px; line-height: 1.85; }
  .article-content h2 { font-size: 21px; }
  .article-content h3 { font-size: 18px; }
  .section-head { align-items: flex-start; flex-direction: column; gap: 8px; }
  .related-section { padding: 52px 0; }
  .cta-band { padding: 52px 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .breadcrumb { margin-bottom: 26px; }
  .article-meta { gap: 12px; font-size: 13px; flex-wrap: wrap; }
  .author-card { padding: 24px 20px; }
  .sidebar { margin-top: 28px; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .header-inner { height: 60px; }
  .main-nav { top: 60px; }
  .logo { font-size: 17px; }
  .logo-badge { width: 32px; height: 32px; font-size: 12px; border-radius: 9px; }
  .article-banner { padding: 52px 0 44px; }
  .article-banner h1 { font-size: 22px; line-height: 1.4; }
  .breadcrumb a, .breadcrumb span { font-size: 12px; padding: 4px 8px; }
  .breadcrumb { gap: 5px; }
  .article-main { padding: 18px 14px; }
  .article-content h2 { font-size: 19px; }
  .article-share { gap: 8px; }
  .share-btn { width: 36px; height: 36px; }
  .related-card { margin-bottom: 20px; }
  .related-cover { height: 160px; }
  .cta-actions .btn { width: 100%; }
  .footer-bottom { font-size: 12px; }
}

/* roulang page: category3 */
:root{
  --primary:#2563eb;
  --primary-dark:#1d4ed8;
  --secondary:#0ea5e9;
  --accent:#f59e0b;
  --dark:#0b1222;
  --dark-soft:#111c35;
  --bg:#f6f8fb;
  --surface:#ffffff;
  --text:#1e293b;
  --muted:#64748b;
  --border:#e2e8f0;
  --radius:16px;
  --radius-sm:10px;
  --shadow-sm:0 2px 8px rgba(15,23,42,0.06);
  --shadow:0 10px 30px rgba(15,23,42,0.08);
  --shadow-lg:0 20px 50px rgba(15,23,42,0.12);
  --transition:all .25s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{text-decoration:none;color:inherit;transition:var(--transition)}
button,input,select,textarea{font-family:inherit}
ul,ol{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
@media screen and (max-width:768px){.container{padding:0 16px}}

/* Header */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:76px;gap:20px;
}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-weight:800;font-size:1.35rem;color:var(--dark);
  letter-spacing:-.5px;flex-shrink:0;
}
.logo-badge{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:12px;
  background:linear-gradient(135deg,var(--primary),var(--secondary));
  color:#fff;font-size:1rem;font-weight:900;box-shadow:0 4px 12px rgba(37,99,235,.35);
}
.logo-text{background:linear-gradient(135deg,var(--primary),var(--secondary));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;}
.main-nav ul{display:flex;align-items:center;gap:6px;margin:0}
.main-nav li{margin:0}
.main-nav a{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;border-radius:999px;
  font-weight:600;font-size:.95rem;color:var(--muted);
}
.main-nav a i{font-size:.9rem;color:inherit}
.main-nav a:hover{color:var(--primary);background:rgba(37,99,235,.08)}
.main-nav a.active{color:#fff;background:linear-gradient(135deg,var(--primary),var(--secondary));box-shadow:0 6px 16px rgba(37,99,235,.35)}
.nav-toggle{
  display:none;background:none;border:1px solid var(--border);
  width:44px;height:44px;border-radius:12px;font-size:1.2rem;
  color:var(--dark);cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle:hover{background:var(--bg);border-color:var(--primary)}
@media screen and (max-width:768px){
  .nav-toggle{display:inline-flex}
  .main-nav{
    position:absolute;top:76px;left:16px;right:16px;
    background:var(--surface);border-radius:16px;
    box-shadow:var(--shadow-lg);padding:16px;
    border:1px solid var(--border);
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:var(--transition);
    z-index:99;
  }
  .main-nav.open{opacity:1;visibility:visible;transform:translateY(0)}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:10px}
  .main-nav a{justify-content:flex-start;padding:13px 18px;border-radius:12px;background:var(--bg)}
  .main-nav a.active{background:linear-gradient(135deg,var(--primary),var(--secondary))}
}

/* Hero Banner */
.category-hero{
  position:relative;
  padding:110px 0 90px;
  background:linear-gradient(180deg,rgba(11,18,34,.82),rgba(11,18,34,.68)),url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color:#fff;text-align:center;
}
.category-hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 80% 20%,rgba(37,99,235,.35),transparent 50%);
}
.category-hero .container{position:relative;z-index:2}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);
  padding:7px 18px;border-radius:999px;font-size:.85rem;font-weight:600;
  backdrop-filter:blur(6px);margin-bottom:22px;
}
.hero-badge i{color:var(--accent)}
.category-hero h1{
  font-size:2.5rem;font-weight:800;line-height:1.25;
  margin-bottom:16px;letter-spacing:-1px;
}
.category-hero h1 span{color:var(--accent)}
.category-hero p{
  max-width:640px;margin:0 auto 28px;
  font-size:1.1rem;color:rgba(255,255,255,.85);
}
.breadcrumb{
  display:flex;justify-content:center;gap:8px;
  font-size:.9rem;color:rgba(255,255,255,.65);flex-wrap:wrap;
}
.breadcrumb a{color:#fff;font-weight:600}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{opacity:.5}
@media screen and (max-width:768px){
  .category-hero{padding:80px 0 64px}
  .category-hero h1{font-size:1.9rem}
  .category-hero p{font-size:1rem}
}

/* Section */
.section{padding:80px 0}
.section-alt{background:#fff}
.section-dark{background:linear-gradient(180deg,var(--dark),var(--dark-soft));color:#fff}
.section-head{text-align:center;max-width:720px;margin:0 auto 52px}
.section-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(37,99,235,.08);color:var(--primary);
  font-weight:700;font-size:.85rem;padding:6px 16px;border-radius:999px;
  margin-bottom:16px;letter-spacing:.4px;
}
.section-head h2{font-size:2.1rem;font-weight:800;color:var(--dark);letter-spacing:-.5px;line-height:1.3}
.section-head p{color:var(--muted);font-size:1rem;margin-top:14px}
.section-dark .section-head h2{color:#fff}
.section-dark .section-head p{color:rgba(255,255,255,.7)}
@media screen and (max-width:768px){
  .section{padding:56px 0}
  .section-head h2{font-size:1.6rem}
}

/* Cards */
.card-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-sm);transition:var(--transition);
  display:flex;flex-direction:column;
}
.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-6px)}
.card-media{position:relative;overflow:hidden;aspect-ratio:16/9;background:var(--dark)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.card:hover .card-media img{transform:scale(1.06)}
.card-media .tag{
  position:absolute;top:14px;left:14px;
  background:rgba(11,18,34,.75);color:#fff;
  backdrop-filter:blur(6px);
  font-size:.78rem;font-weight:700;padding:5px 12px;border-radius:999px;
}
.card-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 60%,rgba(11,18,34,.55));
}
.card-body{padding:24px;flex:1;display:flex;flex-direction:column}
.card-meta{display:flex;gap:14px;font-size:.82rem;color:var(--muted);margin-bottom:10px}
.card-meta i{margin-right:4px;color:var(--primary)}
.card-body h3{font-size:1.15rem;font-weight:700;color:var(--dark);line-height:1.45;margin-bottom:10px}
.card-body h3 a:hover{color:var(--primary)}
.card-desc{font-size:.92rem;color:var(--muted);flex:1;margin-bottom:18px}
.card-link{
  display:inline-flex;align-items:center;gap:6px;
  font-weight:700;font-size:.9rem;color:var(--primary);
}
.card-link i{transition:transform .2s}
.card-link:hover{color:var(--primary-dark)}
.card-link:hover i{transform:translateX(4px)}
@media screen and (max-width:1024px){
  .card-grid{grid-template-columns:repeat(2,1fr);gap:20px}
}
@media screen and (max-width:768px){
  .card-grid{grid-template-columns:1fr}
}

/* Text + Image split */
.split{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
}
.split-media{
  position:relative;border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-lg);
}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.split-media .play-badge{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  background:rgba(11,18,34,.2);
}
.split-media .play-badge span{
  width:60px;height:60px;border-radius:50%;
  background:rgba(255,255,255,.9);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-size:1.2rem;box-shadow:0 10px 30px rgba(0,0,0,.25);
  transition:var(--transition);
}
.split-media:hover .play-badge span{transform:scale(1.1);background:var(--primary);color:#fff}
.split-content .section-tag{margin-bottom:14px}
.split-content h2{font-size:1.9rem;font-weight:800;color:var(--dark);line-height:1.35;margin-bottom:18px}
.split-content p{color:var(--muted);margin-bottom:22px}
.check-list{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:26px}
.check-list li{
  display:flex;align-items:center;gap:10px;
  background:#fff;border:1px solid var(--border);
  border-radius:12px;padding:12px 14px;font-weight:600;font-size:.92rem;
}
.check-list i{color:var(--primary)}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 28px;border-radius:999px;
  font-weight:700;font-size:.95rem;border:none;cursor:pointer;
  background:linear-gradient(135deg,var(--primary),var(--secondary));
  color:#fff;box-shadow:0 8px 22px rgba(37,99,235,.3);
  transition:var(--transition);
}
.btn:hover{box-shadow:0 12px 30px rgba(37,99,235,.45);transform:translateY(-2px);color:#fff}
.btn-secondary{background:#fff;color:var(--primary);box-shadow:0 6px 16px rgba(0,0,0,.08)}
.btn-secondary:hover{background:var(--bg);color:var(--primary-dark);box-shadow:0 8px 20px rgba(0,0,0,.12);transform:translateY(-2px)}
@media screen and (max-width:1024px){
  .split{grid-template-columns:1fr;gap:36px}
  .check-list{grid-template-columns:1fr}
}
@media screen and (max-width:768px){
  .split-content h2{font-size:1.5rem}
}

/* Version Timeline */
.timeline{
  position:relative;max-width:800px;margin:0 auto;padding-left:36px;
}
.timeline::before{
  content:"";position:absolute;left:10px;top:0;bottom:0;width:2px;
  background:linear-gradient(180deg,var(--primary),var(--secondary),transparent);
  border-radius:2px;
}
.timeline-item{
  position:relative;margin-bottom:38px;
  background:#fff;border:1px solid var(--border);
  border-radius:var(--radius);padding:24px 26px;
  box-shadow:var(--shadow-sm);transition:var(--transition);
}
.timeline-item:hover{box-shadow:var(--shadow-lg);transform:translateX(4px)}
.timeline-dot{
  position:absolute;left:-36px;top:28px;width:22px;height:22px;
  background:#fff;border:3px solid var(--primary);border-radius:50%;
  box-shadow:0 0 0 5px rgba(37,99,235,.18);
}
.timeline-date{
  display:inline-flex;align-items:center;gap:6px;
  font-size:.82rem;font-weight:700;color:var(--primary);
  background:rgba(37,99,235,.08);padding:5px 14px;border-radius:999px;
  margin-bottom:12px;
}
.timeline-item h3{font-size:1.2rem;font-weight:700;color:var(--dark);margin-bottom:8px}
.timeline-item p{font-size:.93rem;color:var(--muted)}
.timeline-link{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:.9rem;color:var(--primary);margin-top:14px}
@media screen and (max-width:768px){
  .timeline{padding-left:30px}
  .timeline-dot{left:-30px}
}

/* Stats */
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.stat-card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius);padding:34px 20px;text-align:center;
  backdrop-filter:blur(8px);transition:var(--transition);
}
.stat-card:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.25);transform:translateY(-4px)}
.stat-num{font-size:2.5rem;font-weight:800;color:#fff;line-height:1.2}
.stat-num span{color:var(--accent)}
.stat-label{font-size:.9rem;color:rgba(255,255,255,.65);margin-top:6px}
@media screen and (max-width:1024px){
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:18px}
}
@media screen and (max-width:520px){
  .stats-grid{grid-template-columns:1fr;gap:14px}
}

/* FAQ */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--border);
  border-radius:var(--radius);margin-bottom:16px;overflow:hidden;
  transition:var(--transition);
}
.faq-item:hover{box-shadow:var(--shadow-sm)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;
  padding:22px 26px;cursor:pointer;font-weight:700;
  font-size:1rem;color:var(--dark);list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  color:var(--primary);transition:var(--transition);flex-shrink:0;margin-left:16px;
}
.faq-item[open] summary::after{transform:rotate(180deg)}
.faq-answer{padding:0 26px 24px;color:var(--muted);font-size:.95rem}

/* CTA */
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,var(--primary),var(--secondary));
  border-radius:24px;padding:60px 50px;text-align:center;color:#fff;
}
.cta-band::before{
  content:"";position:absolute;top:-40px;right:-40px;width:200px;height:200px;
  background:rgba(255,255,255,.08);border-radius:50%;
}
.cta-band::after{
  content:"";position:absolute;bottom:-60px;left:-30px;width:180px;height:180px;
  background:rgba(255,255,255,.06);border-radius:50%;
}
.cta-band .container{position:relative;z-index:2}
.cta-band h2{font-size:2rem;font-weight:800;margin-bottom:12px}
.cta-band p{max-width:560px;margin:0 auto 28px;color:rgba(255,255,255,.85);font-size:1.05rem}
.cta-btn{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;color:var(--primary);
  padding:14px 34px;border-radius:999px;font-weight:800;font-size:1rem;
  box-shadow:0 10px 30px rgba(0,0,0,.15);transition:var(--transition);
}
.cta-btn:hover{transform:translateY(-3px);box-shadow:0 16px 40px rgba(0,0,0,.2);color:var(--primary-dark)}
@media screen and (max-width:768px){
  .cta-band{padding:44px 22px}
  .cta-band h2{font-size:1.5rem}
}

/* Footer */
.site-footer{
  background:var(--dark);color:rgba(255,255,255,.75);
  padding:60px 0 0;margin-top:60px;
}
.footer-grid{
  display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;
  padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand .logo{color:#fff;margin-bottom:14px}
.footer-brand .logo-text{background:linear-gradient(135deg,#fff,#94a3b8);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.footer-brand p{font-size:.92rem;line-height:1.7}
.footer-title{
  font-size:1rem;font-weight:700;color:#fff;margin-bottom:16px;
}
.footer-links li{margin-bottom:10px}
.footer-links a{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.9rem;color:rgba(255,255,255,.65);transition:var(--transition);
}
.footer-links a i{font-size:.7rem;color:var(--accent)}
.footer-links a:hover{color:#fff;transform:translateX(4px)}
.footer-bottom{
  padding:24px 0;text-align:center;
  font-size:.85rem;color:rgba(255,255,255,.4);
}
@media screen and (max-width:768px){
  .footer-grid{grid-template-columns:1fr;gap:32px}
}